From f1d270ae10ffc8d4f9726cc8b654e4e8cda294b5 Mon Sep 17 00:00:00 2001 From: Gustavo A. R. Silva Date: Thu, 24 May 2018 17:59:28 -0500 Subject: ath10k: htt_tx: mark expected switch fall-throughs In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Notice that in this particular case, I replaced "pass through" with a proper "fall through" comment, which is what GCC is expecting to find. Signed-off-by: Gustavo A. R. Silva Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_tx.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c index 5d8b97a0ccaa..89157c5b5e5f 100644 --- a/drivers/net/wireless/ath/ath10k/htt_tx.c +++ b/drivers/net/wireless/ath/ath10k/htt_tx.c @@ -1202,7 +1202,7 @@ static int ath10k_htt_tx_32(struct ath10k_htt *htt, case ATH10K_HW_TXRX_RAW: case ATH10K_HW_TXRX_NATIVE_WIFI: flags0 |= HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT; - /* pass through */ + /* fall through */ case ATH10K_HW_TXRX_ETHERNET: if (ar->hw_params.continuous_frag_desc) { ext_desc_t = htt->frag_desc.vaddr_desc_32; @@ -1404,7 +1404,7 @@ static int ath10k_htt_tx_64(struct ath10k_htt *htt, case ATH10K_HW_TXRX_RAW: case ATH10K_HW_TXRX_NATIVE_WIFI: flags0 |= HTT_DATA_TX_DESC_FLAGS0_MAC_HDR_PRESENT; - /* pass through */ + /* fall through */ case ATH10K_HW_TXRX_ETHERNET: if (ar->hw_params.continuous_frag_desc) { ext_desc_t = htt->frag_desc.vaddr_desc_64; -- cgit v1.2.3-55-g7522 From aae28cefc279203c1d1bc460c831b0a557662945 Mon Sep 17 00:00:00 2001 From: Gustavo A. R. Silva Date: Thu, 24 May 2018 18:07:00 -0500 Subject: ath5k: mark expected switch fall-through In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath5k/pcu.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath5k/pcu.c b/drivers/net/wireless/ath/ath5k/pcu.c index f23c851765df..05140d8baa36 100644 --- a/drivers/net/wireless/ath/ath5k/pcu.c +++ b/drivers/net/wireless/ath/ath5k/pcu.c @@ -670,6 +670,7 @@ ath5k_hw_init_beacon_timers(struct ath5k_hw *ah, u32 next_beacon, u32 interval) break; case NL80211_IFTYPE_ADHOC: AR5K_REG_ENABLE_BITS(ah, AR5K_TXCFG, AR5K_TXCFG_ADHOC_BCN_ATIM); + /* fall through */ default: /* On non-STA modes timer1 is used as next DMA * beacon alert (DBA) timer and timer2 as next -- cgit v1.2.3-55-g7522 From 87b466f42e8fa8c0297b23c4b9776bd4e5d9d029 Mon Sep 17 00:00:00 2001 From: Guy Chronister Date: Mon, 21 May 2018 16:26:44 -0500 Subject: ath6kl: add support for Dell Wireless 1537 This is a Qualcomm Atheros AR6004X with an sdio ID of 0x19 and hardware ID of 0271:0419. Tested on a Dell Venue 11 Pro 7130 with a self compiled kernel. Signed-off-by: Guy Chronister [kvalo@codeaurora.org: cleanup commit log] Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/sdio.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath6kl/sdio.c b/drivers/net/wireless/ath/ath6kl/sdio.c index 2195b1b7a8a6..bb50680580f3 100644 --- a/drivers/net/wireless/ath/ath6kl/sdio.c +++ b/drivers/net/wireless/ath/ath6kl/sdio.c @@ -1415,6 +1415,7 @@ static const struct sdio_device_id ath6kl_sdio_devices[] = { {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x1))}, {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x2))}, {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x18))}, + {SDIO_DEVICE(MANUFACTURER_CODE, (MANUFACTURER_ID_AR6004_BASE | 0x19))}, {}, }; -- cgit v1.2.3-55-g7522 From 4de30c906ef08af67c6d81c03e3505ee467db026 Mon Sep 17 00:00:00 2001 From: Gustavo A. R. Silva Date: Fri, 25 May 2018 13:23:11 -0500 Subject: ath6kl: mark expected switch fall-throughs In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva Reviewed-by: Steve deRosier Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/cfg80211.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 2ba8cf3f38af..a16ee5d6e507 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -3899,16 +3899,19 @@ int ath6kl_cfg80211_init(struct ath6kl *ar) switch (ar->hw.cap) { case WMI_11AN_CAP: ht = true; + /* fall through */ case WMI_11A_CAP: band_5gig = true; break; case WMI_11GN_CAP: ht = true; + /* fall through */ case WMI_11G_CAP: band_2gig = true; break; case WMI_11AGN_CAP: ht = true; + /* fall through */ case WMI_11AG_CAP: band_2gig = true; band_5gig = true; -- cgit v1.2.3-55-g7522 From 12b67b0d6bcbe91d8b0682610f43d1cd8cdf280e Mon Sep 17 00:00:00 2001 From: Gustavo A. R. Silva Date: Fri, 25 May 2018 16:22:07 -0500 Subject: ath9k: mark expected switch fall-throughs In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. Signed-off-by: Gustavo A. R. Silva Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/ar5008_phy.c | 2 ++ drivers/net/wireless/ath/ath9k/ar9002_phy.c | 1 + drivers/net/wireless/ath/ath9k/main.c | 1 + 3 files changed, 4 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c index 7922550c2159..ef2dd68d3f77 100644 --- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c @@ -583,12 +583,14 @@ static void ar5008_hw_init_chain_masks(struct ath_hw *ah) case 0x5: REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP, AR_PHY_SWAP_ALT_CHAIN); + /* fall through */ case 0x3: if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) { REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7); REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7); break; } + /* else: fall through */ case 0x1: case 0x2: case 0x7: diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c index 61a9b85045d2..713291881208 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c @@ -119,6 +119,7 @@ static int ar9002_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan) aModeRefSel = 2; if (aModeRefSel) break; + /* else: fall through */ case 1: default: aModeRefSel = 0; diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index a3be8add56e1..11d84f467203 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1928,6 +1928,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw, case IEEE80211_AMPDU_TX_STOP_FLUSH: case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: flush = true; + /* fall through */ case IEEE80211_AMPDU_TX_STOP_CONT: ath9k_ps_wakeup(sc); ath_tx_aggr_stop(sc, sta, tid); -- cgit v1.2.3-55-g7522 From 260e629bbf441585860e21d5e10d2e88437f47c8 Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Sun, 27 May 2018 22:17:02 +0100 Subject: ath10k: fix memory leak of tpc_stats Currently tpc_stats is allocated and is leaked on the return path if num_tx_chain is greater than WMI_TPC_TX_N_CHAIN. Avoid this leak by performing the check on num_tx_chain before the allocation of tpc_stats. Detected by CoverityScan, CID#1469422 ("Resource Leak") Fixes: 4b190675ad06 ("ath10k: fix kernel panic while reading tpc_stats") Signed-off-by: Colin Ian King Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index f97ab795cf2e..2319f79b34f0 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -4602,10 +4602,6 @@ void ath10k_wmi_event_pdev_tpc_config(struct ath10k *ar, struct sk_buff *skb) ev = (struct wmi_pdev_tpc_config_event *)skb->data; - tpc_stats = kzalloc(sizeof(*tpc_stats), GFP_ATOMIC); - if (!tpc_stats) - return; - num_tx_chain = __le32_to_cpu(ev->num_tx_chain); if (num_tx_chain > WMI_TPC_TX_N_CHAIN) { @@ -4614,6 +4610,10 @@ void ath10k_wmi_event_pdev_tpc_config(struct ath10k *ar, struct sk_buff *skb) return; } + tpc_stats = kzalloc(sizeof(*tpc_stats), GFP_ATOMIC); + if (!tpc_stats) + return; + ath10k_wmi_tpc_config_get_rate_code(rate_code, pream_table, num_tx_chain); -- cgit v1.2.3-55-g7522 From 38441fb6fcbb97817dff5c012609860a2b39c3e9 Mon Sep 17 00:00:00 2001 From: Ben Greear Date: Tue, 2 Jan 2018 16:51:01 -0800 Subject: ath10k: support use of channel 173 The India regulatory domain allows CH 173, so add that to the available channel list. I verified basic connectivity between a 9880 and 9984 NIC. Signed-off-by: Ben Greear Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.h | 3 ++- drivers/net/wireless/ath/ath10k/mac.c | 3 +++ drivers/net/wireless/ath/ath10k/wmi.c | 2 +- 3 files changed, 6 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 951dbdd1c9eb..427ee5752bb0 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -48,7 +48,8 @@ #define WMI_READY_TIMEOUT (5 * HZ) #define ATH10K_FLUSH_TIMEOUT_HZ (5 * HZ) #define ATH10K_CONNECTION_LOSS_HZ (3 * HZ) -#define ATH10K_NUM_CHANS 40 +#define ATH10K_NUM_CHANS 41 +#define ATH10K_MAX_5G_CHAN 173 /* Antenna noise floor */ #define ATH10K_DEFAULT_NOISE_FLOOR -95 diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index e9c2fb318c03..f31ae3be4778 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -7858,6 +7858,9 @@ static const struct ieee80211_channel ath10k_5ghz_channels[] = { CHAN5G(161, 5805, 0), CHAN5G(165, 5825, 0), CHAN5G(169, 5845, 0), + CHAN5G(173, 5865, 0), + /* If you add more, you may need to change ATH10K_MAX_5G_CHAN */ + /* And you will definitely need to change ATH10K_NUM_CHANS in core.h */ }; struct ath10k *ath10k_mac_create(size_t priv_size) diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 2319f79b34f0..be841cbf8099 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2366,7 +2366,7 @@ int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb) */ if (channel >= 1 && channel <= 14) { status->band = NL80211_BAND_2GHZ; - } else if (channel >= 36 && channel <= 169) { + } else if (channel >= 36 && channel <= ATH10K_MAX_5G_CHAN) { status->band = NL80211_BAND_5GHZ; } else { /* Shouldn't happen unless list of advertised channels to -- cgit v1.2.3-55-g7522 From 2e9bcd0d73243f5e49daf92508d64cc33c30da01 Mon Sep 17 00:00:00 2001 From: Karthikeyan Periyasamy Date: Tue, 29 May 2018 17:01:13 +0530 Subject: ath10k: fix spectral scan for QCA9984 and QCA9888 chipsets The spectral scan has been always broken on QCA9984 and QCA9888. Introduce a hardware parameter 'spectral_bin_offset' to resolve this issue for QCA9984 and QCA9888 chipsets. For other chipsets, the hardware parameter 'spectral_bin_offset' is zero so that existing behaviour is retained as it is. In QCA9984 and QCA9888 chipsets, hardware param value 'spectral_bin_discard' is 12 bytes. This 12 bytes is derived as the sum of segment index (4 bytes), extra bins before the actual data (4 bytes) and extra bins after the actual data (4 bytes). Always discarding (12 bytes) happens at end of the samples and incorrect samples got dumped, so that user can find incorrect arrangement samples in spectral scan dump. To fix this issue, we have to discard first 8 bytes and last 4 bytes in every samples, so totally 12 bytes are discarded. In every sample we need to consider the offset while taking the actual spectral data. For QCA9984, QCA9888 the offset is 8 bytes (segment index + extra bins before actual data). Hardware tested: QCA9984 and QCA9888 Firmware tested: 10.4-3.5.3-00053 Signed-off-by: Karthikeyan Periyasamy Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.c | 13 +++++++++++++ drivers/net/wireless/ath/ath10k/hw.h | 3 +++ drivers/net/wireless/ath/ath10k/spectral.c | 2 +- 3 files changed, 17 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 4cf54a7ef09a..25ecf7402984 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -82,6 +82,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 8, @@ -113,6 +114,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 8, @@ -145,6 +147,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 8, @@ -176,6 +179,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 8, @@ -207,6 +211,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 8, @@ -238,6 +243,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 8, @@ -272,6 +278,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .target_cpu_freq = 176000000, .decap_align_bytes = 4, .spectral_bin_discard = 0, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 8, @@ -309,6 +316,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca99x0_ops, .decap_align_bytes = 1, .spectral_bin_discard = 4, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 11, @@ -347,6 +355,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca99x0_ops, .decap_align_bytes = 1, .spectral_bin_discard = 12, + .spectral_bin_offset = 8, /* Can do only 2x2 VHT160 or 80+80. 1560Mbps is 4x4 80Mhz * or 2x2 160Mhz, long-guard-interval. @@ -388,6 +397,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca99x0_ops, .decap_align_bytes = 1, .spectral_bin_discard = 12, + .spectral_bin_offset = 8, /* Can do only 1x1 VHT160 or 80+80. 780Mbps is 2x2 80Mhz or * 1x1 160Mhz, long-guard-interval. @@ -423,6 +433,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca988x_ops, .decap_align_bytes = 4, .spectral_bin_discard = 0, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 8, @@ -456,6 +467,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .target_cpu_freq = 176000000, .decap_align_bytes = 4, .spectral_bin_discard = 0, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 8, @@ -494,6 +506,7 @@ static const struct ath10k_hw_params ath10k_hw_params_list[] = { .hw_ops = &qca99x0_ops, .decap_align_bytes = 1, .spectral_bin_discard = 4, + .spectral_bin_offset = 0, .vht160_mcs_rx_highest = 0, .vht160_mcs_tx_highest = 0, .n_cipher_suites = 11, diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index 23467e9fefeb..a274bd809a08 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -586,6 +586,9 @@ struct ath10k_hw_params { /* target supporting retention restore on ddr */ bool rri_on_ddr; + + /* Number of bytes to be the offset for each FFT sample */ + int spectral_bin_offset; }; struct htt_rx_desc; diff --git a/drivers/net/wireless/ath/ath10k/spectral.c b/drivers/net/wireless/ath/ath10k/spectral.c index af6995de7e00..653b6d013207 100644 --- a/drivers/net/wireless/ath/ath10k/spectral.c +++ b/drivers/net/wireless/ath/ath10k/spectral.c @@ -145,7 +145,7 @@ int ath10k_spectral_process_fft(struct ath10k *ar, fft_sample->noise = __cpu_to_be16(phyerr->nf_chains[chain_idx]); bins = (u8 *)fftr; - bins += sizeof(*fftr); + bins += sizeof(*fftr) + ar->hw_params.spectral_bin_offset; fft_sample->tsf = __cpu_to_be64(tsf); -- cgit v1.2.3-55-g7522 From 6ee0e175a33deea08354bc8a91b743f0ec8c8a0a Mon Sep 17 00:00:00 2001 From: Wei Yongjun Date: Thu, 31 May 2018 02:33:14 +0000 Subject: ath10k: make some functions static Fixes the following sparse warnings: drivers/net/wireless/ath/ath10k/snoc.c:823:5: warning: symbol 'ath10k_snoc_get_ce_id_from_irq' was not declared. Should it be static? drivers/net/wireless/ath/ath10k/snoc.c:871:6: warning: symbol 'ath10k_snoc_init_napi' was not declared. Should it be static? Signed-off-by: Wei Yongjun Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/snoc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index a3a7042fe13a..92ddb1c38c06 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -820,7 +820,7 @@ static const struct ath10k_bus_ops ath10k_snoc_bus_ops = { .write32 = ath10k_snoc_write32, }; -int ath10k_snoc_get_ce_id_from_irq(struct ath10k *ar, int irq) +static int ath10k_snoc_get_ce_id_from_irq(struct ath10k *ar, int irq) { struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar); int i; @@ -868,7 +868,7 @@ static int ath10k_snoc_napi_poll(struct napi_struct *ctx, int budget) return done; } -void ath10k_snoc_init_napi(struct ath10k *ar) +static void ath10k_snoc_init_napi(struct ath10k *ar) { netif_napi_add(&ar->napi_dev, &ar->napi, ath10k_snoc_napi_poll, ATH10K_NAPI_BUDGET); -- cgit v1.2.3-55-g7522 From 5a211627004e2cddd0ab8b9df19e5fb0bbe97634 Mon Sep 17 00:00:00 2001 From: YueHaibing Date: Fri, 1 Jun 2018 19:25:48 +0800 Subject: ath10k: fix incorrect size of dma_free_coherent in ath10k_ce_alloc_src_ring_64 sizeof(struct ce_desc) should be a copy-paste mistake just use sizeof(struct ce_desc_64) to avoid mem leak Fixes: b7ba83f7c414 ("ath10k: add support for shadow register for WNC3990") Signed-off-by: YueHaibing Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/ce.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c index 3b96a43fbda4..18c709c484e7 100644 --- a/drivers/net/wireless/ath/ath10k/ce.c +++ b/drivers/net/wireless/ath/ath10k/ce.c @@ -1512,7 +1512,7 @@ ath10k_ce_alloc_src_ring_64(struct ath10k *ar, unsigned int ce_id, ret = ath10k_ce_alloc_shadow_base(ar, src_ring, nentries); if (ret) { dma_free_coherent(ar->dev, - (nentries * sizeof(struct ce_desc) + + (nentries * sizeof(struct ce_desc_64) + CE_DESC_RING_ALIGN), src_ring->base_addr_owner_space_unaligned, base_addr); -- cgit v1.2.3-55-g7522 From 9fb31b66b91ff4e6c38fa0a10e517f4282e380e7 Mon Sep 17 00:00:00 2001 From: YueHaibing Date: Mon, 4 Jun 2018 20:35:42 +0800 Subject: ath10k: use dma_zalloc_coherent instead of allocator/memset Use dma_zalloc_coherent instead of dma_alloc_coherent followed by memset 0. Signed-off-by: YueHaibing Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index be841cbf8099..877249ac6fd4 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -5018,13 +5018,11 @@ static int ath10k_wmi_alloc_chunk(struct ath10k *ar, u32 req_id, void *vaddr; pool_size = num_units * round_up(unit_len, 4); - vaddr = dma_alloc_coherent(ar->dev, pool_size, &paddr, GFP_KERNEL); + vaddr = dma_zalloc_coherent(ar->dev, pool_size, &paddr, GFP_KERNEL); if (!vaddr) return -ENOMEM; - memset(vaddr, 0, pool_size); - ar->wmi.mem_chunks[idx].vaddr = vaddr; ar->wmi.mem_chunks[idx].paddr = paddr; ar->wmi.mem_chunks[idx].len = pool_size; -- cgit v1.2.3-55-g7522 From 7f8f72d8511a7f57595ce166cd9fc7da94a8faf4 Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Mon, 11 Jun 2018 11:19:35 -0700 Subject: ath10k: use crash_dump enum instead of magic numbers The comments are telling you what the enum could tell you instead. Signed-off-by: Brian Norris Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 25ecf7402984..983eb6a1aa95 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -41,10 +41,8 @@ static bool uart_print; static bool skip_otp; static bool rawmode; -/* Enable ATH10K_FW_CRASH_DUMP_REGISTERS and ATH10K_FW_CRASH_DUMP_CE_DATA - * by default. - */ -unsigned long ath10k_coredump_mask = 0x3; +unsigned long ath10k_coredump_mask = BIT(ATH10K_FW_CRASH_DUMP_REGISTERS) | + BIT(ATH10K_FW_CRASH_DUMP_CE_DATA); /* FIXME: most of these should be readonly */ module_param_named(debug_mask, ath10k_debug_mask, uint, 0644); -- cgit v1.2.3-55-g7522 From 0644fef97451908ef1048043b0a60d1324d8a522 Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Mon, 11 Jun 2018 12:35:40 -0700 Subject: ath10k: snoc: use module_platform_driver() macro ath10k_snoc_init()/ath10k_snoc_exit() don't add much value; module_platform_driver() can remove the boilerplate. Signed-off-by: Brian Norris Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/snoc.c | 20 +------------------- 1 file changed, 1 insertion(+), 19 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index 92ddb1c38c06..31d1e3af85a2 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -1388,25 +1388,7 @@ static struct platform_driver ath10k_snoc_driver = { .of_match_table = ath10k_snoc_dt_match, }, }; - -static int __init ath10k_snoc_init(void) -{ - int ret; - - ret = platform_driver_register(&ath10k_snoc_driver); - if (ret) - pr_err("failed to register ath10k snoc driver: %d\n", - ret); - - return ret; -} -module_init(ath10k_snoc_init); - -static void __exit ath10k_snoc_exit(void) -{ - platform_driver_unregister(&ath10k_snoc_driver); -} -module_exit(ath10k_snoc_exit); +module_platform_driver(ath10k_snoc_driver); MODULE_AUTHOR("Qualcomm"); MODULE_LICENSE("Dual BSD/GPL"); -- cgit v1.2.3-55-g7522 From 426a0f0b5a2fe1df3496ba299ee3521159dba302 Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Mon, 11 Jun 2018 14:09:43 -0700 Subject: ath10k: snoc: use correct bus-specific pointer in RX retry We're 'ath10k_snoc', not 'ath10k_pci'. This probably means we're accessing junk data in ath10k_snoc_rx_replenish_retry(), unless 'ath10k_snoc' and 'ath10k_pci' happen to have very similar struct layouts. Noticed by inspection. Fixes: d915105231ca ("ath10k: add hif rx methods for wcn3990") Signed-off-by: Brian Norris Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/snoc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index 31d1e3af85a2..42aa1d57a485 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -449,7 +449,7 @@ static void ath10k_snoc_htt_rx_cb(struct ath10k_ce_pipe *ce_state) static void ath10k_snoc_rx_replenish_retry(struct timer_list *t) { - struct ath10k_pci *ar_snoc = from_timer(ar_snoc, t, rx_post_retry); + struct ath10k_snoc *ar_snoc = from_timer(ar_snoc, t, rx_post_retry); struct ath10k *ar = ar_snoc->ar; ath10k_snoc_rx_post(ar); -- cgit v1.2.3-55-g7522 From 8ac5fe8e3d110eaff47dd2becf98b08762c84c75 Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Mon, 11 Jun 2018 14:09:44 -0700 Subject: ath10k: snoc: stop including pci.h It's easier to violate abstractions and introduce bugs when snoc.h is including pci.h. Let's not do that. I'm not extremely familiar with this driver yet, but several of the shared PCI/SNOC bits seem to be related to the Copy Engine, so move them to ce.h. Signed-off-by: Brian Norris Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/ce.h | 42 ++++++++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/pci.h | 42 ---------------------------------- drivers/net/wireless/ath/ath10k/snoc.h | 1 - 3 files changed, 42 insertions(+), 43 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/ce.h b/drivers/net/wireless/ath/ath10k/ce.h index dbeffaef6024..b8fb5382dede 100644 --- a/drivers/net/wireless/ath/ath10k/ce.h +++ b/drivers/net/wireless/ath/ath10k/ce.h @@ -383,4 +383,46 @@ static inline u32 ath10k_ce_interrupt_summary(struct ath10k *ar) return CE_INTERRUPT_SUMMARY; } +/* Host software's Copy Engine configuration. */ +#define CE_ATTR_FLAGS 0 + +/* + * Configuration information for a Copy Engine pipe. + * Passed from Host to Target during startup (one per CE). + * + * NOTE: Structure is shared between Host software and Target firmware! + */ +struct ce_pipe_config { + __le32 pipenum; + __le32 pipedir; + __le32 nentries; + __le32 nbytes_max; + __le32 flags; + __le32 reserved; +}; + +/* + * Directions for interconnect pipe configuration. + * These definitions may be used during configuration and are shared + * between Host and Target. + * + * Pipe Directions are relative to the Host, so PIPEDIR_IN means + * "coming IN over air through Target to Host" as with a WiFi Rx operation. + * Conversely, PIPEDIR_OUT means "going OUT from Host through Target over air" + * as with a WiFi Tx operation. This is somewhat awkward for the "middle-man" + * Target since things that are "PIPEDIR_OUT" are coming IN to the Target + * over the interconnect. + */ +#define PIPEDIR_NONE 0 +#define PIPEDIR_IN 1 /* Target-->Host, WiFi Rx direction */ +#define PIPEDIR_OUT 2 /* Host->Target, WiFi Tx direction */ +#define PIPEDIR_INOUT 3 /* bidirectional */ + +/* Establish a mapping between a service/direction and a pipe. */ +struct service_to_pipe { + __le32 service_id; + __le32 pipedir; + __le32 pipenum; +}; + #endif /* _CE_H_ */ diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h index e52fd83156b6..0ed436657108 100644 --- a/drivers/net/wireless/ath/ath10k/pci.h +++ b/drivers/net/wireless/ath/ath10k/pci.h @@ -86,48 +86,6 @@ struct pcie_state { /* PCIE_CONFIG_FLAG definitions */ #define PCIE_CONFIG_FLAG_ENABLE_L1 0x0000001 -/* Host software's Copy Engine configuration. */ -#define CE_ATTR_FLAGS 0 - -/* - * Configuration information for a Copy Engine pipe. - * Passed from Host to Target during startup (one per CE). - * - * NOTE: Structure is shared between Host software and Target firmware! - */ -struct ce_pipe_config { - __le32 pipenum; - __le32 pipedir; - __le32 nentries; - __le32 nbytes_max; - __le32 flags; - __le32 reserved; -}; - -/* - * Directions for interconnect pipe configuration. - * These definitions may be used during configuration and are shared - * between Host and Target. - * - * Pipe Directions are relative to the Host, so PIPEDIR_IN means - * "coming IN over air through Target to Host" as with a WiFi Rx operation. - * Conversely, PIPEDIR_OUT means "going OUT from Host through Target over air" - * as with a WiFi Tx operation. This is somewhat awkward for the "middle-man" - * Target since things that are "PIPEDIR_OUT" are coming IN to the Target - * over the interconnect. - */ -#define PIPEDIR_NONE 0 -#define PIPEDIR_IN 1 /* Target-->Host, WiFi Rx direction */ -#define PIPEDIR_OUT 2 /* Host->Target, WiFi Tx direction */ -#define PIPEDIR_INOUT 3 /* bidirectional */ - -/* Establish a mapping between a service/direction and a pipe. */ -struct service_to_pipe { - __le32 service_id; - __le32 pipedir; - __le32 pipenum; -}; - /* Per-pipe state. */ struct ath10k_pci_pipe { /* Handle of underlying Copy Engine */ diff --git a/drivers/net/wireless/ath/ath10k/snoc.h b/drivers/net/wireless/ath/ath10k/snoc.h index 05dc98f46ccd..f9e530189d48 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.h +++ b/drivers/net/wireless/ath/ath10k/snoc.h @@ -19,7 +19,6 @@ #include "hw.h" #include "ce.h" -#include "pci.h" struct ath10k_snoc_drv_priv { enum ath10k_hw_rev hw_rev; -- cgit v1.2.3-55-g7522 From 13e6cc0bd4effa9fc4b03fb9b1baf0e26e2e217d Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Mon, 11 Jun 2018 14:09:45 -0700 Subject: ath10k: snoc: drop unused WCN3990_CE_ATTR_FLAGS We started using a common CE_ATTR_FLAGS definition, so drop this one. Signed-off-by: Brian Norris Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/snoc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index 42aa1d57a485..ece002c13035 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -26,7 +26,7 @@ #include #include #include -#define WCN3990_CE_ATTR_FLAGS 0 + #define ATH10K_SNOC_RX_POST_RETRY_MS 50 #define CE_POLL_PIPE 4 -- cgit v1.2.3-55-g7522 From c9f3e7fa8bcb63a52531bf7e02bf53e0d177f3dc Mon Sep 17 00:00:00 2001 From: Brian Norris Date: Mon, 11 Jun 2018 14:09:46 -0700 Subject: ath10k: snoc: sort include files Sort these alphabetically, with local includes in a separate section. Signed-off-by: Brian Norris Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/snoc.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index ece002c13035..f3db08d98810 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -14,18 +14,19 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -#include +#include #include -#include "debug.h" -#include "hif.h" -#include "htc.h" -#include "ce.h" -#include "snoc.h" +#include #include #include #include #include -#include + +#include "ce.h" +#include "debug.h" +#include "hif.h" +#include "htc.h" +#include "snoc.h" #define ATH10K_SNOC_RX_POST_RETRY_MS 50 #define CE_POLL_PIPE 4 -- cgit v1.2.3-55-g7522 From 50c51f394e685c450276e1ae5b91405ad55d8570 Mon Sep 17 00:00:00 2001 From: Niklas Cassel Date: Tue, 12 Jun 2018 13:39:05 +0200 Subject: ath10k: do not mix spaces and tabs in Kconfig Do not mix spaces and tabs in Kconfig. Signed-off-by: Niklas Cassel Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/Kconfig | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/Kconfig b/drivers/net/wireless/ath/ath10k/Kconfig index 84f071ac0d84..54ff5930126c 100644 --- a/drivers/net/wireless/ath/ath10k/Kconfig +++ b/drivers/net/wireless/ath/ath10k/Kconfig @@ -1,15 +1,15 @@ config ATH10K - tristate "Atheros 802.11ac wireless cards support" - depends on MAC80211 && HAS_DMA + tristate "Atheros 802.11ac wireless cards support" + depends on MAC80211 && HAS_DMA select ATH_COMMON select CRC32 select WANT_DEV_COREDUMP select ATH10K_CE - ---help--- - This module adds support for wireless adapters based on - Atheros IEEE 802.11ac family of chipsets. + ---help--- + This module adds support for wireless adapters based on + Atheros IEEE 802.11ac family of chipsets. - If you choose to build a module, it'll be called ath10k. + If you choose to build a module, it'll be called ath10k. config ATH10K_CE bool @@ -41,12 +41,12 @@ config ATH10K_USB work in progress and will not fully work. config ATH10K_SNOC - tristate "Qualcomm ath10k SNOC support (EXPERIMENTAL)" - depends on ATH10K && ARCH_QCOM - ---help--- - This module adds support for integrated WCN3990 chip connected - to system NOC(SNOC). Currently work in progress and will not - fully work. + tristate "Qualcomm ath10k SNOC support (EXPERIMENTAL)" + depends on ATH10K && ARCH_QCOM + ---help--- + This module adds support for integrated WCN3990 chip connected + to system NOC(SNOC). Currently work in progress and will not + fully work. config ATH10K_DEBUG bool "Atheros ath10k debugging" -- cgit v1.2.3-55-g7522 From 5db98aee93cd1ba5b94b1a9bc9057c98e2a36fd6 Mon Sep 17 00:00:00 2001 From: Surabhi Vishnoi Date: Wed, 13 Jun 2018 10:33:35 +0530 Subject: ath10k: skip data calibration for non-bmi target In non-bmi target ex. WCN3990, data calibration is handled via QMI. Skip data calibration in debug routine to enable ath10k debugfs for non bmi targets. Signed-off-by: Surabhi Vishnoi Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 21 ++++++++++++++------- 1 file changed, 14 insertions(+), 7 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 0d98c93a3aba..4926722e0c0d 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -1727,7 +1727,9 @@ int ath10k_debug_start(struct ath10k *ar) ath10k_warn(ar, "failed to disable pktlog: %d\n", ret); } - if (ar->debug.nf_cal_period) { + if (ar->debug.nf_cal_period && + !test_bit(ATH10K_FW_FEATURE_NON_BMI, + ar->normal_mode_fw.fw_file.fw_features)) { ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->cal_period, ar->debug.nf_cal_period); @@ -1744,7 +1746,9 @@ void ath10k_debug_stop(struct ath10k *ar) { lockdep_assert_held(&ar->conf_mutex); - ath10k_debug_cal_data_fetch(ar); + if (!test_bit(ATH10K_FW_FEATURE_NON_BMI, + ar->normal_mode_fw.fw_file.fw_features)) + ath10k_debug_cal_data_fetch(ar); /* Must not use _sync to avoid deadlock, we do that in * ath10k_debug_destroy(). The check for htt_stats_mask is to avoid @@ -2367,15 +2371,18 @@ int ath10k_debug_register(struct ath10k *ar) debugfs_create_file("fw_dbglog", 0600, ar->debug.debugfs_phy, ar, &fops_fw_dbglog); - debugfs_create_file("cal_data", 0400, ar->debug.debugfs_phy, ar, - &fops_cal_data); + if (!test_bit(ATH10K_FW_FEATURE_NON_BMI, + ar->normal_mode_fw.fw_file.fw_features)) { + debugfs_create_file("cal_data", 0400, ar->debug.debugfs_phy, ar, + &fops_cal_data); + + debugfs_create_file("nf_cal_period", 0600, ar->debug.debugfs_phy, ar, + &fops_nf_cal_period); + } debugfs_create_file("ani_enable", 0600, ar->debug.debugfs_phy, ar, &fops_ani_enable); - debugfs_create_file("nf_cal_period", 0600, ar->debug.debugfs_phy, ar, - &fops_nf_cal_period); - if (IS_ENABLED(CONFIG_ATH10K_DFS_CERTIFIED)) { debugfs_create_file("dfs_simulate_radar", 0200, ar->debug.debugfs_phy, ar, &fops_simulate_radar); -- cgit v1.2.3-55-g7522 From d16a7ab20ac9861979c83d7fce8f5edc48daada6 Mon Sep 17 00:00:00 2001 From: Govind Singh Date: Wed, 13 Jun 2018 12:18:06 +0530 Subject: ath10k: handle resource init failure case Return type of resource init method is not assigned. Handle resource init failures for graceful exit. Signed-off-by: Govind Singh Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/snoc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/snoc.c b/drivers/net/wireless/ath/ath10k/snoc.c index f3db08d98810..fa1843a7e0fd 100644 --- a/drivers/net/wireless/ath/ath10k/snoc.c +++ b/drivers/net/wireless/ath/ath10k/snoc.c @@ -1304,13 +1304,13 @@ static int ath10k_snoc_probe(struct platform_device *pdev) ar_snoc->ce.bus_ops = &ath10k_snoc_bus_ops; ar->ce_priv = &ar_snoc->ce; - ath10k_snoc_resource_init(ar); + ret = ath10k_snoc_resource_init(ar); if (ret) { ath10k_warn(ar, "failed to initialize resource: %d\n", ret); goto err_core_destroy; } - ath10k_snoc_setup_resource(ar); + ret = ath10k_snoc_setup_resource(ar); if (ret) { ath10k_warn(ar, "failed to setup resource: %d\n", ret); goto err_core_destroy; -- cgit v1.2.3-55-g7522 From d5e5f6855aab87dd54ff3a33c6a3ccdc9f97fbcc Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Wed, 30 May 2018 10:25:03 +0100 Subject: ath9k: debug: fix spelling mistake "WATHDOG" -> "WATCHDOG" Trivial fix to spelling mistake in PR_IS message text. Signed-off-by: Colin Ian King Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/debug.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index f685843a2ff3..0a6eb8a8c1ed 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -538,7 +538,7 @@ static int read_file_interrupt(struct seq_file *file, void *data) if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { PR_IS("RXLP", rxlp); PR_IS("RXHP", rxhp); - PR_IS("WATHDOG", bb_watchdog); + PR_IS("WATCHDOG", bb_watchdog); } else { PR_IS("RX", rxok); } -- cgit v1.2.3-55-g7522 From 6c1f0a1ffb7c2b0501521b9fc1f53b4109f1791b Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Fri, 22 Jun 2018 10:51:00 -0700 Subject: net: drivers/net: Convert random_ether_addr to eth_random_addr random_ether_addr is a #define for eth_random_addr which is generally preferred in kernel code by ~3:1 Convert the uses of random_ether_addr to enable removing the #define Miscellanea: o Convert &vfmac[0] to equivalent vfmac and avoid unnecessary line wrap Signed-off-by: Joe Perches Acked-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/ethernet/cavium/liquidio/lio_main.c | 5 ++--- drivers/net/ethernet/cortina/gemini.c | 2 +- drivers/net/ethernet/hisilicon/hip04_eth.c | 2 +- drivers/net/ethernet/intel/i40e/i40e_main.c | 2 +- drivers/net/ethernet/microchip/lan743x_main.c | 2 +- drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c | 2 +- drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c | 2 +- drivers/net/ethernet/sfc/ef10_sriov.c | 2 +- drivers/net/ethernet/ti/cpsw.c | 2 +- drivers/net/ethernet/ti/netcp_core.c | 4 ++-- drivers/net/ntb_netdev.c | 2 +- drivers/net/usb/lan78xx.c | 2 +- drivers/net/wireless/ath/ath9k/hw.c | 2 +- net/batman-adv/bridge_loop_avoidance.c | 2 +- 14 files changed, 16 insertions(+), 17 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index 8a815bb57177..7cb4e753829b 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -3569,9 +3569,8 @@ static int setup_nic_devices(struct octeon_device *octeon_dev) for (j = 0; j < octeon_dev->sriov_info.max_vfs; j++) { u8 vfmac[ETH_ALEN]; - random_ether_addr(&vfmac[0]); - if (__liquidio_set_vf_mac(netdev, j, - &vfmac[0], false)) { + eth_random_addr(vfmac); + if (__liquidio_set_vf_mac(netdev, j, vfmac, false)) { dev_err(&octeon_dev->pci_dev->dev, "Error setting VF%d MAC address\n", j); diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 6d7404f66f84..ce1f04fdbf70 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -2435,7 +2435,7 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) port->mac_addr[0], port->mac_addr[1], port->mac_addr[2]); dev_info(dev, "using a random ethernet address\n"); - random_ether_addr(netdev->dev_addr); + eth_random_addr(netdev->dev_addr); } gmac_write_mac_address(netdev); diff --git a/drivers/net/ethernet/hisilicon/hip04_eth.c b/drivers/net/ethernet/hisilicon/hip04_eth.c index 340e28211135..14374a856d30 100644 --- a/drivers/net/ethernet/hisilicon/hip04_eth.c +++ b/drivers/net/ethernet/hisilicon/hip04_eth.c @@ -904,7 +904,7 @@ static int hip04_mac_probe(struct platform_device *pdev) hip04_config_port(ndev, SPEED_100, DUPLEX_FULL); hip04_config_fifo(priv); - random_ether_addr(ndev->dev_addr); + eth_random_addr(ndev->dev_addr); hip04_update_mac_address(ndev); ret = hip04_alloc_ring(ndev, d); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index c944bd10b03d..95e9dfbe9839 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -11978,7 +11978,7 @@ static int i40e_config_netdev(struct i40e_vsi *vsi) snprintf(netdev->name, IFNAMSIZ, "%.*sv%%d", IFNAMSIZ - 4, pf->vsi[pf->lan_vsi]->netdev->name); - random_ether_addr(mac_addr); + eth_random_addr(mac_addr); spin_lock_bh(&vsi->mac_filter_hash_lock); i40e_add_mac_filter(vsi, mac_addr); diff --git a/drivers/net/ethernet/microchip/lan743x_main.c b/drivers/net/ethernet/microchip/lan743x_main.c index dd947e4dd3ce..e1747a490066 100644 --- a/drivers/net/ethernet/microchip/lan743x_main.c +++ b/drivers/net/ethernet/microchip/lan743x_main.c @@ -828,7 +828,7 @@ static int lan743x_mac_init(struct lan743x_adapter *adapter) } if (!mac_address_valid) - random_ether_addr(adapter->mac_address); + eth_random_addr(adapter->mac_address); lan743x_mac_set_address(adapter, adapter->mac_address); ether_addr_copy(netdev->dev_addr, adapter->mac_address); return 0; diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c index 0c744b9c6e0a..77e386ebff09 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_common.c @@ -212,7 +212,7 @@ int qlcnic_sriov_init(struct qlcnic_adapter *adapter, int num_vfs) vp->max_tx_bw = MAX_BW; vp->min_tx_bw = MIN_BW; vp->spoofchk = false; - random_ether_addr(vp->mac); + eth_random_addr(vp->mac); dev_info(&adapter->pdev->dev, "MAC Address %pM is configured for VF %d\n", vp->mac, i); diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index b9a7548ec6a0..0afc3d335d56 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -210,7 +210,7 @@ void rmnet_vnd_setup(struct net_device *rmnet_dev) rmnet_dev->netdev_ops = &rmnet_vnd_ops; rmnet_dev->mtu = RMNET_DFLT_PACKET_SIZE; rmnet_dev->needed_headroom = RMNET_NEEDED_HEADROOM; - random_ether_addr(rmnet_dev->dev_addr); + eth_random_addr(rmnet_dev->dev_addr); rmnet_dev->tx_queue_len = RMNET_TX_QUEUE_LEN; /* Raw IP mode */ diff --git a/drivers/net/ethernet/sfc/ef10_sriov.c b/drivers/net/ethernet/sfc/ef10_sriov.c index 019cef1d3cf7..8820be83ce85 100644 --- a/drivers/net/ethernet/sfc/ef10_sriov.c +++ b/drivers/net/ethernet/sfc/ef10_sriov.c @@ -199,7 +199,7 @@ static int efx_ef10_sriov_alloc_vf_vswitching(struct efx_nic *efx) return -ENOMEM; for (i = 0; i < efx->vf_count; i++) { - random_ether_addr(nic_data->vf[i].mac); + eth_random_addr(nic_data->vf[i].mac); nic_data->vf[i].efx = NULL; nic_data->vf[i].vlan = EFX_EF10_NO_VLAN; diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 358edab9e72e..093998124149 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -2927,7 +2927,7 @@ static int cpsw_probe_dual_emac(struct cpsw_priv *priv) dev_info(cpsw->dev, "cpsw: Detected MACID = %pM\n", priv_sl2->mac_addr); } else { - random_ether_addr(priv_sl2->mac_addr); + eth_random_addr(priv_sl2->mac_addr); dev_info(cpsw->dev, "cpsw: Random MACID = %pM\n", priv_sl2->mac_addr); } diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c index e40aa3e31af2..6ebf110cd594 100644 --- a/drivers/net/ethernet/ti/netcp_core.c +++ b/drivers/net/ethernet/ti/netcp_core.c @@ -2052,7 +2052,7 @@ static int netcp_create_interface(struct netcp_device *netcp_device, if (is_valid_ether_addr(efuse_mac_addr)) ether_addr_copy(ndev->dev_addr, efuse_mac_addr); else - random_ether_addr(ndev->dev_addr); + eth_random_addr(ndev->dev_addr); devm_iounmap(dev, efuse); devm_release_mem_region(dev, res.start, size); @@ -2061,7 +2061,7 @@ static int netcp_create_interface(struct netcp_device *netcp_device, if (mac_addr) ether_addr_copy(ndev->dev_addr, mac_addr); else - random_ether_addr(ndev->dev_addr); + eth_random_addr(ndev->dev_addr); } ret = of_property_read_string(node_interface, "rx-channel", diff --git a/drivers/net/ntb_netdev.c b/drivers/net/ntb_netdev.c index 9f6f7ccd44f7..b12023bc2cab 100644 --- a/drivers/net/ntb_netdev.c +++ b/drivers/net/ntb_netdev.c @@ -430,7 +430,7 @@ static int ntb_netdev_probe(struct device *client_dev) ndev->hw_features = ndev->features; ndev->watchdog_timeo = msecs_to_jiffies(NTB_TX_TIMEOUT_MS); - random_ether_addr(ndev->perm_addr); + eth_random_addr(ndev->perm_addr); memcpy(ndev->dev_addr, ndev->perm_addr, ndev->addr_len); ndev->netdev_ops = &ntb_netdev_ops; diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c index 8dff87ec6d99..a89570f34937 100644 --- a/drivers/net/usb/lan78xx.c +++ b/drivers/net/usb/lan78xx.c @@ -1720,7 +1720,7 @@ static void lan78xx_init_mac_address(struct lan78xx_net *dev) "MAC address read from EEPROM"); } else { /* generate random MAC */ - random_ether_addr(addr); + eth_random_addr(addr); netif_dbg(dev, ifup, dev->net, "MAC address set to random addr"); } diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index e60bea4604e4..1665066f4e24 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -496,7 +496,7 @@ static void ath9k_hw_init_macaddr(struct ath_hw *ah) ath_err(common, "eeprom contains invalid mac address: %pM\n", common->macaddr); - random_ether_addr(common->macaddr); + eth_random_addr(common->macaddr); ath_err(common, "random mac address will be used: %pM\n", common->macaddr); diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index a2de5a44bd41..ff9659af6b91 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -1449,7 +1449,7 @@ static void batadv_bla_periodic_work(struct work_struct *work) * detection frames. Set the locally administered bit to avoid * collisions with users mac addresses. */ - random_ether_addr(bat_priv->bla.loopdetect_addr); + eth_random_addr(bat_priv->bla.loopdetect_addr); bat_priv->bla.loopdetect_addr[0] = 0xba; bat_priv->bla.loopdetect_addr[1] = 0xbe; bat_priv->bla.loopdetect_lasttime = jiffies; -- cgit v1.2.3-55-g7522 From 22d0d2fafca93ba1d92a2fbd4a60463c919a12ad Mon Sep 17 00:00:00 2001 From: Omer Efrat Date: Sun, 17 Jun 2018 13:07:13 +0300 Subject: wireless-drivers: use BIT_ULL for NL80211_STA_INFO_ attribute types The BIT macro uses unsigned long which some architectures handle as 32 bit and therefore might cause macro's shift to overflow when used on a value equals or larger than 32 (NL80211_STA_INFO_RX_DURATION and afterwards). Since 'filled' member in station_info changed to u64, BIT_ULL macro should be used with all NL80211_STA_INFO_* attribute types instead of BIT to prevent future possible bugs when one will use BIT macro for higher attributes by mistake. This commit cleans up all usages of BIT macro with the above field in wireless-drivers by changing it to BIT_ULL instead. In addition, there are some places which don't use BIT nor BIT_ULL macros so align those as well. Signed-off-by: Omer Efrat Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 4 +-- drivers/net/wireless/ath/ath6kl/cfg80211.c | 14 ++++---- drivers/net/wireless/ath/wil6210/cfg80211.c | 18 +++++----- .../broadcom/brcm80211/brcmfmac/cfg80211.c | 40 +++++++++++----------- drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c | 6 ++-- drivers/net/wireless/marvell/libertas/cfg.c | 12 +++---- drivers/net/wireless/marvell/mwifiex/cfg80211.c | 14 ++++---- drivers/net/wireless/quantenna/qtnfmac/commands.c | 32 ++++++++--------- drivers/net/wireless/rndis_wlan.c | 4 +-- drivers/net/wireless/ti/wlcore/main.c | 2 +- 10 files changed, 73 insertions(+), 73 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index f31ae3be4778..fcbd3aeb692c 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -7725,7 +7725,7 @@ static void ath10k_sta_statistics(struct ieee80211_hw *hw, return; sinfo->rx_duration = arsta->rx_duration; - sinfo->filled |= 1ULL << NL80211_STA_INFO_RX_DURATION; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DURATION); if (!arsta->txrate.legacy && !arsta->txrate.nss) return; @@ -7738,7 +7738,7 @@ static void ath10k_sta_statistics(struct ieee80211_hw *hw, sinfo->txrate.bw = arsta->txrate.bw; } sinfo->txrate.flags = arsta->txrate.flags; - sinfo->filled |= 1ULL << NL80211_STA_INFO_TX_BITRATE; + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); } static const struct ieee80211_ops ath10k_ops = { diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c index 4e56a2d4a5cf..e121187f371f 100644 --- a/drivers/net/wireless/ath/ath6kl/cfg80211.c +++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c @@ -1811,20 +1811,20 @@ static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, if (vif->target_stats.rx_byte) { sinfo->rx_bytes = vif->target_stats.rx_byte; - sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64); sinfo->rx_packets = vif->target_stats.rx_pkt; - sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS); } if (vif->target_stats.tx_byte) { sinfo->tx_bytes = vif->target_stats.tx_byte; - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64); sinfo->tx_packets = vif->target_stats.tx_pkt; - sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); } sinfo->signal = vif->target_stats.cs_rssi; - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); rate = vif->target_stats.tx_ucast_rate; @@ -1857,12 +1857,12 @@ static int ath6kl_get_station(struct wiphy *wiphy, struct net_device *dev, return 0; } - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); if (test_bit(CONNECTED, &vif->flags) && test_bit(DTIM_PERIOD_AVAIL, &vif->flags) && vif->nw_type == INFRA_NETWORK) { - sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); sinfo->bss_param.flags = 0; sinfo->bss_param.dtim_period = vif->assoc_bss_dtim_period; sinfo->bss_param.beacon_interval = vif->assoc_bss_beacon_int; diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 78946f28d0c7..013d056a7a4c 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -302,14 +302,14 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid, sinfo->generation = wil->sinfo_gen; - sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | - BIT(NL80211_STA_INFO_TX_BYTES) | - BIT(NL80211_STA_INFO_RX_PACKETS) | - BIT(NL80211_STA_INFO_TX_PACKETS) | - BIT(NL80211_STA_INFO_RX_BITRATE) | - BIT(NL80211_STA_INFO_TX_BITRATE) | - BIT(NL80211_STA_INFO_RX_DROP_MISC) | - BIT(NL80211_STA_INFO_TX_FAILED); + sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | + BIT_ULL(NL80211_STA_INFO_TX_BYTES) | + BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_RX_BITRATE) | + BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | + BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) | + BIT_ULL(NL80211_STA_INFO_TX_FAILED); sinfo->txrate.flags = RATE_INFO_FLAGS_60G; sinfo->txrate.mcs = le16_to_cpu(reply.evt.bf_mcs); @@ -322,7 +322,7 @@ int wil_cid_fill_sinfo(struct wil6210_vif *vif, int cid, sinfo->tx_failed = stats->tx_errors; if (test_bit(wil_vif_fwconnected, vif->status)) { - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); if (test_bit(WMI_FW_CAPABILITY_RSSI_REPORTING, wil->fw_capabilities)) sinfo->signal = reply.evt.rssi; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c index b6122aad639e..24c4e18e7d80 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c @@ -2434,7 +2434,7 @@ static void brcmf_convert_sta_flags(u32 fw_sta_flags, struct station_info *si) struct nl80211_sta_flag_update *sfu; brcmf_dbg(TRACE, "flags %08x\n", fw_sta_flags); - si->filled |= BIT(NL80211_STA_INFO_STA_FLAGS); + si->filled |= BIT_ULL(NL80211_STA_INFO_STA_FLAGS); sfu = &si->sta_flags; sfu->mask = BIT(NL80211_STA_FLAG_WME) | BIT(NL80211_STA_FLAG_AUTHENTICATED) | @@ -2470,7 +2470,7 @@ static void brcmf_fill_bss_param(struct brcmf_if *ifp, struct station_info *si) brcmf_err("Failed to get bss info (%d)\n", err); goto out_kfree; } - si->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); + si->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); si->bss_param.beacon_interval = le16_to_cpu(buf->bss_le.beacon_period); si->bss_param.dtim_period = buf->bss_le.dtim_period; capability = le16_to_cpu(buf->bss_le.capability); @@ -2501,7 +2501,7 @@ brcmf_cfg80211_get_station_ibss(struct brcmf_if *ifp, brcmf_err("BRCMF_C_GET_RATE error (%d)\n", err); return err; } - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); sinfo->txrate.legacy = rate * 5; memset(&scbval, 0, sizeof(scbval)); @@ -2512,7 +2512,7 @@ brcmf_cfg80211_get_station_ibss(struct brcmf_if *ifp, return err; } rssi = le32_to_cpu(scbval.val); - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); sinfo->signal = rssi; err = brcmf_fil_cmd_data_get(ifp, BRCMF_C_GET_GET_PKTCNTS, &pktcnt, @@ -2521,10 +2521,10 @@ brcmf_cfg80211_get_station_ibss(struct brcmf_if *ifp, brcmf_err("BRCMF_C_GET_GET_PKTCNTS error (%d)\n", err); return err; } - sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS) | - BIT(NL80211_STA_INFO_RX_DROP_MISC) | - BIT(NL80211_STA_INFO_TX_PACKETS) | - BIT(NL80211_STA_INFO_TX_FAILED); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC) | + BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_FAILED); sinfo->rx_packets = le32_to_cpu(pktcnt.rx_good_pkt); sinfo->rx_dropped_misc = le32_to_cpu(pktcnt.rx_bad_pkt); sinfo->tx_packets = le32_to_cpu(pktcnt.tx_good_pkt); @@ -2571,7 +2571,7 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, } } brcmf_dbg(TRACE, "version %d\n", le16_to_cpu(sta_info_le.ver)); - sinfo->filled = BIT(NL80211_STA_INFO_INACTIVE_TIME); + sinfo->filled = BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME); sinfo->inactive_time = le32_to_cpu(sta_info_le.idle) * 1000; sta_flags = le32_to_cpu(sta_info_le.flags); brcmf_convert_sta_flags(sta_flags, sinfo); @@ -2581,33 +2581,33 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, else sinfo->sta_flags.set &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); if (sta_flags & BRCMF_STA_ASSOC) { - sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CONNECTED_TIME); sinfo->connected_time = le32_to_cpu(sta_info_le.in); brcmf_fill_bss_param(ifp, sinfo); } if (sta_flags & BRCMF_STA_SCBSTATS) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); sinfo->tx_failed = le32_to_cpu(sta_info_le.tx_failures); - sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); sinfo->tx_packets = le32_to_cpu(sta_info_le.tx_pkts); sinfo->tx_packets += le32_to_cpu(sta_info_le.tx_mcast_pkts); - sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS); sinfo->rx_packets = le32_to_cpu(sta_info_le.rx_ucast_pkts); sinfo->rx_packets += le32_to_cpu(sta_info_le.rx_mcast_pkts); if (sinfo->tx_packets) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); sinfo->txrate.legacy = le32_to_cpu(sta_info_le.tx_rate) / 100; } if (sinfo->rx_packets) { - sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); sinfo->rxrate.legacy = le32_to_cpu(sta_info_le.rx_rate) / 100; } if (le16_to_cpu(sta_info_le.ver) >= 4) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES); sinfo->tx_bytes = le64_to_cpu(sta_info_le.tx_tot_bytes); - sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES); sinfo->rx_bytes = le64_to_cpu(sta_info_le.rx_tot_bytes); } total_rssi = 0; @@ -2623,10 +2623,10 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, } } if (count_rssi) { - sinfo->filled |= BIT(NL80211_STA_INFO_CHAIN_SIGNAL); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL); sinfo->chains = count_rssi; - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); total_rssi /= count_rssi; sinfo->signal = total_rssi; } else if (test_bit(BRCMF_VIF_STATUS_CONNECTED, @@ -2639,7 +2639,7 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, goto done; } else { rssi = le32_to_cpu(scb_val.val); - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); sinfo->signal = rssi; brcmf_dbg(CONN, "RSSI %d dBm\n", rssi); } diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index a6e072234398..26021bc55e98 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -4216,7 +4216,7 @@ static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, if (mvmsta->avg_energy) { sinfo->signal_avg = mvmsta->avg_energy; - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL_AVG); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); } if (!fw_has_capa(&mvm->fw->ucode_capa, @@ -4240,11 +4240,11 @@ static void iwl_mvm_mac_sta_statistics(struct ieee80211_hw *hw, sinfo->rx_beacon = mvmvif->beacon_stats.num_beacons + mvmvif->beacon_stats.accu_num_beacons; - sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); if (mvmvif->beacon_stats.avg_signal) { /* firmware only reports a value after RXing a few beacons */ sinfo->rx_beacon_signal_avg = mvmvif->beacon_stats.avg_signal; - sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG); } unlock: mutex_unlock(&mvm->mutex); diff --git a/drivers/net/wireless/marvell/libertas/cfg.c b/drivers/net/wireless/marvell/libertas/cfg.c index f99031cfdf86..57edfada0665 100644 --- a/drivers/net/wireless/marvell/libertas/cfg.c +++ b/drivers/net/wireless/marvell/libertas/cfg.c @@ -1559,10 +1559,10 @@ static int lbs_cfg_get_station(struct wiphy *wiphy, struct net_device *dev, int ret; size_t i; - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES) | - BIT(NL80211_STA_INFO_TX_PACKETS) | - BIT(NL80211_STA_INFO_RX_BYTES) | - BIT(NL80211_STA_INFO_RX_PACKETS); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES) | + BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_RX_BYTES) | + BIT_ULL(NL80211_STA_INFO_RX_PACKETS); sinfo->tx_bytes = priv->dev->stats.tx_bytes; sinfo->tx_packets = priv->dev->stats.tx_packets; sinfo->rx_bytes = priv->dev->stats.rx_bytes; @@ -1572,14 +1572,14 @@ static int lbs_cfg_get_station(struct wiphy *wiphy, struct net_device *dev, ret = lbs_get_rssi(priv, &signal, &noise); if (ret == 0) { sinfo->signal = signal; - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); } /* Convert priv->cur_rate from hw_value to NL80211 value */ for (i = 0; i < ARRAY_SIZE(lbs_rates); i++) { if (priv->cur_rate == lbs_rates[i].hw_value) { sinfo->txrate.legacy = lbs_rates[i].bitrate; - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); break; } } diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 4b5ae9098504..c02e02c17c9c 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -1353,17 +1353,17 @@ mwifiex_dump_station_info(struct mwifiex_private *priv, { u32 rate; - sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) | - BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | - BIT(NL80211_STA_INFO_TX_BITRATE) | - BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG); + sinfo->filled = BIT_ULL(NL80211_STA_INFO_RX_BYTES) | BIT_ULL(NL80211_STA_INFO_TX_BYTES) | + BIT_ULL(NL80211_STA_INFO_RX_PACKETS) | BIT_ULL(NL80211_STA_INFO_TX_PACKETS) | + BIT_ULL(NL80211_STA_INFO_TX_BITRATE) | + BIT_ULL(NL80211_STA_INFO_SIGNAL) | BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { if (!node) return -ENOENT; - sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) | - BIT(NL80211_STA_INFO_TX_FAILED); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME) | + BIT_ULL(NL80211_STA_INFO_TX_FAILED); sinfo->inactive_time = jiffies_to_msecs(jiffies - node->stats.last_rx); @@ -1413,7 +1413,7 @@ mwifiex_dump_station_info(struct mwifiex_private *priv, sinfo->txrate.legacy = rate * 5; if (priv->bss_mode == NL80211_IFTYPE_STATION) { - sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BSS_PARAM); sinfo->bss_param.flags = 0; if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & WLAN_CAPABILITY_SHORT_PREAMBLE) diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c index 713fd3f047e4..42a598f92539 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/commands.c +++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c @@ -640,83 +640,83 @@ qtnf_cmd_sta_info_parse(struct station_info *sinfo, return; if (qtnf_sta_stat_avail(inactive_time, QLINK_STA_INFO_INACTIVE_TIME)) { - sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_INACTIVE_TIME); sinfo->inactive_time = le32_to_cpu(stats->inactive_time); } if (qtnf_sta_stat_avail(connected_time, QLINK_STA_INFO_CONNECTED_TIME)) { - sinfo->filled |= BIT(NL80211_STA_INFO_CONNECTED_TIME); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_CONNECTED_TIME); sinfo->connected_time = le32_to_cpu(stats->connected_time); } if (qtnf_sta_stat_avail(signal, QLINK_STA_INFO_SIGNAL)) { - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); sinfo->signal = stats->signal - QLINK_RSSI_OFFSET; } if (qtnf_sta_stat_avail(signal_avg, QLINK_STA_INFO_SIGNAL_AVG)) { - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL_AVG); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL_AVG); sinfo->signal_avg = stats->signal_avg - QLINK_RSSI_OFFSET; } if (qtnf_sta_stat_avail(rxrate, QLINK_STA_INFO_RX_BITRATE)) { - sinfo->filled |= BIT(NL80211_STA_INFO_RX_BITRATE); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BITRATE); qtnf_sta_info_parse_rate(&sinfo->rxrate, &stats->rxrate); } if (qtnf_sta_stat_avail(txrate, QLINK_STA_INFO_TX_BITRATE)) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); qtnf_sta_info_parse_rate(&sinfo->txrate, &stats->txrate); } if (qtnf_sta_stat_avail(sta_flags, QLINK_STA_INFO_STA_FLAGS)) { - sinfo->filled |= BIT(NL80211_STA_INFO_STA_FLAGS); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_STA_FLAGS); qtnf_sta_info_parse_flags(&sinfo->sta_flags, &stats->sta_flags); } if (qtnf_sta_stat_avail(rx_bytes, QLINK_STA_INFO_RX_BYTES)) { - sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES); sinfo->rx_bytes = le64_to_cpu(stats->rx_bytes); } if (qtnf_sta_stat_avail(tx_bytes, QLINK_STA_INFO_TX_BYTES)) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES); sinfo->tx_bytes = le64_to_cpu(stats->tx_bytes); } if (qtnf_sta_stat_avail(rx_bytes, QLINK_STA_INFO_RX_BYTES64)) { - sinfo->filled |= BIT(NL80211_STA_INFO_RX_BYTES64); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_BYTES64); sinfo->rx_bytes = le64_to_cpu(stats->rx_bytes); } if (qtnf_sta_stat_avail(tx_bytes, QLINK_STA_INFO_TX_BYTES64)) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BYTES64); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BYTES64); sinfo->tx_bytes = le64_to_cpu(stats->tx_bytes); } if (qtnf_sta_stat_avail(rx_packets, QLINK_STA_INFO_RX_PACKETS)) { - sinfo->filled |= BIT(NL80211_STA_INFO_RX_PACKETS); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_PACKETS); sinfo->rx_packets = le32_to_cpu(stats->rx_packets); } if (qtnf_sta_stat_avail(tx_packets, QLINK_STA_INFO_TX_PACKETS)) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_PACKETS); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_PACKETS); sinfo->tx_packets = le32_to_cpu(stats->tx_packets); } if (qtnf_sta_stat_avail(rx_beacon, QLINK_STA_INFO_BEACON_RX)) { - sinfo->filled |= BIT(NL80211_STA_INFO_BEACON_RX); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_BEACON_RX); sinfo->rx_beacon = le64_to_cpu(stats->rx_beacon); } if (qtnf_sta_stat_avail(rx_dropped_misc, QLINK_STA_INFO_RX_DROP_MISC)) { - sinfo->filled |= BIT(NL80211_STA_INFO_RX_DROP_MISC); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_RX_DROP_MISC); sinfo->rx_dropped_misc = le32_to_cpu(stats->rx_dropped_misc); } if (qtnf_sta_stat_avail(tx_failed, QLINK_STA_INFO_TX_FAILED)) { - sinfo->filled |= BIT(NL80211_STA_INFO_TX_FAILED); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_FAILED); sinfo->tx_failed = le32_to_cpu(stats->tx_failed); } diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index d4947e3a909e..51e4e92d95a0 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -2480,7 +2480,7 @@ static void rndis_fill_station_info(struct usbnet *usbdev, ret = rndis_query_oid(usbdev, RNDIS_OID_GEN_LINK_SPEED, &linkspeed, &len); if (ret == 0) { sinfo->txrate.legacy = le32_to_cpu(linkspeed) / 1000; - sinfo->filled |= BIT(NL80211_STA_INFO_TX_BITRATE); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_TX_BITRATE); } len = sizeof(rssi); @@ -2488,7 +2488,7 @@ static void rndis_fill_station_info(struct usbnet *usbdev, &rssi, &len); if (ret == 0) { sinfo->signal = level_to_qual(le32_to_cpu(rssi)); - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); } } diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 09c40e7f7701..37f785f601c1 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -5821,7 +5821,7 @@ static void wlcore_op_sta_statistics(struct ieee80211_hw *hw, if (ret < 0) goto out_sleep; - sinfo->filled |= BIT(NL80211_STA_INFO_SIGNAL); + sinfo->filled |= BIT_ULL(NL80211_STA_INFO_SIGNAL); sinfo->signal = rssi_dbm; out_sleep: -- cgit v1.2.3-55-g7522 From c8291988806407e02a01b4b15b4504eafbcc04e0 Mon Sep 17 00:00:00 2001 From: Zhi Chen Date: Mon, 18 Jun 2018 17:00:39 +0300 Subject: ath10k: fix scan crash due to incorrect length calculation Length of WMI scan message was not calculated correctly. The allocated buffer was smaller than what we expected. So WMI message corrupted skb_info, which is at the end of skb->data. This fix takes TLV header into account even if the element is zero-length. Crash log: [49.629986] Unhandled kernel unaligned access[#1]: [49.634932] CPU: 0 PID: 1176 Comm: logd Not tainted 4.4.60 #180 [49.641040] task: 83051460 ti: 8329c000 task.ti: 8329c000 [49.646608] $ 0 : 00000000 00000001 80984a80 00000000 [49.652038] $ 4 : 45259e89 8046d484 8046df30 8024ba70 [49.657468] $ 8 : 00000000 804cc4c0 00000001 20306320 [49.662898] $12 : 33322037 000110f2 00000000 31203930 [49.668327] $16 : 82792b40 80984a80 00000001 804207fc [49.673757] $20 : 00000000 0000012c 00000040 80470000 [49.679186] $24 : 00000000 8024af7c [49.684617] $28 : 8329c000 8329db88 00000001 802c58d0 [49.690046] Hi : 00000000 [49.693022] Lo : 453c0000 [49.696013] epc : 800efae4 put_page+0x0/0x58 [49.700615] ra : 802c58d0 skb_release_data+0x148/0x1d4 [49.706184] Status: 1000fc03 KERNEL EXL IE [49.710531] Cause : 00800010 (ExcCode 04) [49.714669] BadVA : 45259e89 [49.717644] PrId : 00019374 (MIPS 24Kc) Signed-off-by: Zhi Chen Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi-tlv.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index 8c49a26fc571..455ce18918bd 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -1614,10 +1614,10 @@ ath10k_wmi_tlv_op_gen_start_scan(struct ath10k *ar, bssid_len = arg->n_bssids * sizeof(struct wmi_mac_addr); ie_len = roundup(arg->ie_len, 4); len = (sizeof(*tlv) + sizeof(*cmd)) + - (arg->n_channels ? sizeof(*tlv) + chan_len : 0) + - (arg->n_ssids ? sizeof(*tlv) + ssid_len : 0) + - (arg->n_bssids ? sizeof(*tlv) + bssid_len : 0) + - (arg->ie_len ? sizeof(*tlv) + ie_len : 0); + sizeof(*tlv) + chan_len + + sizeof(*tlv) + ssid_len + + sizeof(*tlv) + bssid_len + + sizeof(*tlv) + ie_len; skb = ath10k_wmi_alloc_skb(ar, len); if (!skb) -- cgit v1.2.3-55-g7522 From 98dc04ba60b9c2df1e70c2fe1ea480476a570615 Mon Sep 17 00:00:00 2001 From: Zhi Chen Date: Mon, 18 Jun 2018 17:00:43 +0300 Subject: ath10k: fix tlv 5ghz channel missing issue The 5ghz channel parameters of TLV target wasn't passed to host, it caused host can only use lower channels from 36 to 64. Signed-off-by: Zhi Chen Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi-tlv.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index 455ce18918bd..b04f86f8038a 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -1076,6 +1076,8 @@ static int ath10k_wmi_tlv_op_pull_svc_rdy_ev(struct ath10k *ar, arg->phy_capab = ev->phy_capability; arg->num_rf_chains = ev->num_rf_chains; arg->eeprom_rd = reg->eeprom_rd; + arg->low_5ghz_chan = reg->low_5ghz_chan; + arg->high_5ghz_chan = reg->high_5ghz_chan; arg->num_mem_reqs = ev->num_mem_reqs; arg->service_map = svc_bmap; arg->service_map_len = ath10k_wmi_tlv_len(svc_bmap); -- cgit v1.2.3-55-g7522 From 3f04950f32d5d592ab4fcaecac2178558a6f7437 Mon Sep 17 00:00:00 2001 From: Niklas Cassel Date: Mon, 18 Jun 2018 17:00:49 +0300 Subject: ath10k: transmit queued frames after processing rx packets When running iperf on ath10k SDIO, TX can stop working: iperf -c 192.168.1.1 -i 1 -t 20 -w 10K [ 3] 0.0- 1.0 sec 2.00 MBytes 16.8 Mbits/sec [ 3] 1.0- 2.0 sec 3.12 MBytes 26.2 Mbits/sec [ 3] 2.0- 3.0 sec 3.25 MBytes 27.3 Mbits/sec [ 3] 3.0- 4.0 sec 655 KBytes 5.36 Mbits/sec [ 3] 4.0- 5.0 sec 0.00 Bytes 0.00 bits/sec [ 3] 5.0- 6.0 sec 0.00 Bytes 0.00 bits/sec [ 3] 6.0- 7.0 sec 0.00 Bytes 0.00 bits/sec [ 3] 7.0- 8.0 sec 0.00 Bytes 0.00 bits/sec [ 3] 8.0- 9.0 sec 0.00 Bytes 0.00 bits/sec [ 3] 9.0-10.0 sec 0.00 Bytes 0.00 bits/sec [ 3] 0.0-10.3 sec 9.01 MBytes 7.32 Mbits/sec There are frames in the ieee80211_txq and there are frames that have been removed from from this queue, but haven't yet been sent on the wire (num_pending_tx). When num_pending_tx reaches max_num_pending_tx, we will stop the queues by calling ieee80211_stop_queues(). As frames that have previously been sent for transmission (num_pending_tx) are completed, we will decrease num_pending_tx and wake the queues by calling ieee80211_wake_queue(). ieee80211_wake_queue() does not call wake_tx_queue, so we might still have frames in the queue at this point. While the queues were stopped, the socket buffer might have filled up, and in order for user space to write more, we need to free the frames in the queue, since they are accounted to the socket. In order to free them, we first need to transmit them. This problem cannot be reproduced on low-latency devices, e.g. pci, since they call ath10k_mac_tx_push_pending() from ath10k_htt_txrx_compl_task(). ath10k_htt_txrx_compl_task() is not called on high-latency devices. Fix the problem by calling ath10k_mac_tx_push_pending(), after processing rx packets, just like for low-latency devices, also in the SDIO case. Since we are calling ath10k_mac_tx_push_pending() directly, we also need to export it. Signed-off-by: Niklas Cassel Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 1 + drivers/net/wireless/ath/ath10k/sdio.c | 3 +++ 2 files changed, 4 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index f31ae3be4778..a6a34486eca3 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -4047,6 +4047,7 @@ void ath10k_mac_tx_push_pending(struct ath10k *ar) rcu_read_unlock(); spin_unlock_bh(&ar->txqs_lock); } +EXPORT_SYMBOL(ath10k_mac_tx_push_pending); /************/ /* Scanning */ diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c index d612ce8c9cff..2856c75f9011 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.c +++ b/drivers/net/wireless/ath/ath10k/sdio.c @@ -30,6 +30,7 @@ #include "debug.h" #include "hif.h" #include "htc.h" +#include "mac.h" #include "targaddrs.h" #include "trace.h" #include "sdio.h" @@ -1342,6 +1343,8 @@ static void ath10k_sdio_irq_handler(struct sdio_func *func) break; } while (time_before(jiffies, timeout) && !done); + ath10k_mac_tx_push_pending(ar); + sdio_claim_host(ar_sdio->func); if (ret && ret != -ECANCELED) -- cgit v1.2.3-55-g7522 From 168f75f11fe68455e0d058a818ebccfc329d8685 Mon Sep 17 00:00:00 2001 From: Ben Greear Date: Mon, 18 Jun 2018 17:00:56 +0300 Subject: ath10k: protect ath10k_htt_rx_ring_free with rx_ring.lock While debugging driver crashes related to a buggy firmware crashing under load, I noticed that ath10k_htt_rx_ring_free could be called without being under lock. I'm not sure if this is the root cause of the crash or not, but it seems prudent to protect it. Originally tested on 4.16+ kernel with ath10k-ct 10.4 firmware running on 9984 NIC. Signed-off-by: Ben Greear Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_rx.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index c72d8af122a2..2840ef75e3a6 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -268,11 +268,12 @@ int ath10k_htt_rx_ring_refill(struct ath10k *ar) spin_lock_bh(&htt->rx_ring.lock); ret = ath10k_htt_rx_ring_fill_n(htt, (htt->rx_ring.fill_level - htt->rx_ring.fill_cnt)); - spin_unlock_bh(&htt->rx_ring.lock); if (ret) ath10k_htt_rx_ring_free(htt); + spin_unlock_bh(&htt->rx_ring.lock); + return ret; } @@ -284,7 +285,9 @@ void ath10k_htt_rx_free(struct ath10k_htt *htt) skb_queue_purge(&htt->rx_in_ord_compl_q); skb_queue_purge(&htt->tx_fetch_ind_q); + spin_lock_bh(&htt->rx_ring.lock); ath10k_htt_rx_ring_free(htt); + spin_unlock_bh(&htt->rx_ring.lock); dma_free_coherent(htt->ar->dev, ath10k_htt_get_rx_ring_size(htt), -- cgit v1.2.3-55-g7522 From d1a566bec5887988cd7e4b7cf98b05e1ff7a0f8a Mon Sep 17 00:00:00 2001 From: Erik Stromdahl Date: Mon, 18 Jun 2018 17:01:21 +0300 Subject: ath10k: fix bug in masking of TID value Although the TID mask is 0xf, the modulus operation does still not produce identical results as the bitwise and operator. If the TID is 15, the modulus operation will "convert" it to 0, whereas the bitwise and will keep it as 15. This was found during code review. Signed-off-by: Erik Stromdahl Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_tx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c index 89157c5b5e5f..be5b52aaffa6 100644 --- a/drivers/net/wireless/ath/ath10k/htt_tx.c +++ b/drivers/net/wireless/ath/ath10k/htt_tx.c @@ -1056,7 +1056,7 @@ static u8 ath10k_htt_tx_get_tid(struct sk_buff *skb, bool is_eth) if (!is_eth && ieee80211_is_mgmt(hdr->frame_control)) return HTT_DATA_TX_EXT_TID_MGMT; else if (cb->flags & ATH10K_SKB_F_QOS) - return skb->priority % IEEE80211_QOS_CTL_TID_MASK; + return skb->priority & IEEE80211_QOS_CTL_TID_MASK; else return HTT_DATA_TX_EXT_TID_NON_QOS_MCAST_BCAST; } -- cgit v1.2.3-55-g7522 From ab687de9535c5178c1d9141664205c84493225c8 Mon Sep 17 00:00:00 2001 From: Erik Stromdahl Date: Mon, 18 Jun 2018 17:01:23 +0300 Subject: ath10k: rename HTC_HOST_MAX_MSG_PER_BUNDLE define This define is only used for RX bundling so it is more descriptive if RX is added to the define-name. Signed-off-by: Erik Stromdahl Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htc.c | 4 ++-- drivers/net/wireless/ath/ath10k/htc.h | 2 +- drivers/net/wireless/ath/ath10k/sdio.c | 4 ++-- drivers/net/wireless/ath/ath10k/sdio.h | 8 ++++---- 4 files changed, 9 insertions(+), 9 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/htc.c b/drivers/net/wireless/ath/ath10k/htc.c index 8902720b4e49..331b8d558791 100644 --- a/drivers/net/wireless/ath/ath10k/htc.c +++ b/drivers/net/wireless/ath/ath10k/htc.c @@ -274,7 +274,7 @@ ath10k_htc_process_lookahead_bundle(struct ath10k_htc *htc, struct ath10k *ar = htc->ar; int bundle_cnt = len / sizeof(*report); - if (!bundle_cnt || (bundle_cnt > HTC_HOST_MAX_MSG_PER_BUNDLE)) { + if (!bundle_cnt || (bundle_cnt > HTC_HOST_MAX_MSG_PER_RX_BUNDLE)) { ath10k_warn(ar, "Invalid lookahead bundle count: %d\n", bundle_cnt); return -EINVAL; @@ -655,7 +655,7 @@ int ath10k_htc_wait_target(struct ath10k_htc *htc) sizeof(msg->hdr) + sizeof(msg->ready_ext)) { htc->max_msgs_per_htc_bundle = min_t(u8, msg->ready_ext.max_msgs_per_htc_bundle, - HTC_HOST_MAX_MSG_PER_BUNDLE); + HTC_HOST_MAX_MSG_PER_RX_BUNDLE); ath10k_dbg(ar, ATH10K_DBG_HTC, "Extended ready message. RX bundle size: %d\n", htc->max_msgs_per_htc_bundle); diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h index 34877597dd6a..e60fbea698a9 100644 --- a/drivers/net/wireless/ath/ath10k/htc.h +++ b/drivers/net/wireless/ath/ath10k/htc.h @@ -50,7 +50,7 @@ struct ath10k; * 4-byte aligned. */ -#define HTC_HOST_MAX_MSG_PER_BUNDLE 8 +#define HTC_HOST_MAX_MSG_PER_RX_BUNDLE 8 enum ath10k_htc_tx_flags { ATH10K_HTC_FLAG_NEED_CREDIT_UPDATE = 0x01, diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c index 2856c75f9011..926e4c3ea256 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.c +++ b/drivers/net/wireless/ath/ath10k/sdio.c @@ -506,11 +506,11 @@ static int ath10k_sdio_mbox_alloc_pkt_bundle(struct ath10k *ar, *bndl_cnt = FIELD_GET(ATH10K_HTC_FLAG_BUNDLE_MASK, htc_hdr->flags); - if (*bndl_cnt > HTC_HOST_MAX_MSG_PER_BUNDLE) { + if (*bndl_cnt > HTC_HOST_MAX_MSG_PER_RX_BUNDLE) { ath10k_warn(ar, "HTC bundle length %u exceeds maximum %u\n", le16_to_cpu(htc_hdr->len), - HTC_HOST_MAX_MSG_PER_BUNDLE); + HTC_HOST_MAX_MSG_PER_RX_BUNDLE); return -ENOMEM; } diff --git a/drivers/net/wireless/ath/ath10k/sdio.h b/drivers/net/wireless/ath/ath10k/sdio.h index 4ff7b545293b..453eb6263143 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.h +++ b/drivers/net/wireless/ath/ath10k/sdio.h @@ -96,14 +96,14 @@ * way: * * Let's assume that each packet in a bundle of the maximum bundle size - * (HTC_HOST_MAX_MSG_PER_BUNDLE) has the HTC header bundle count set - * to the maximum value (HTC_HOST_MAX_MSG_PER_BUNDLE). + * (HTC_HOST_MAX_MSG_PER_RX_BUNDLE) has the HTC header bundle count set + * to the maximum value (HTC_HOST_MAX_MSG_PER_RX_BUNDLE). * * in this case the driver must allocate - * (HTC_HOST_MAX_MSG_PER_BUNDLE * HTC_HOST_MAX_MSG_PER_BUNDLE) skb's. + * (HTC_HOST_MAX_MSG_PER_RX_BUNDLE * HTC_HOST_MAX_MSG_PER_RX_BUNDLE) skb's. */ #define ATH10K_SDIO_MAX_RX_MSGS \ - (HTC_HOST_MAX_MSG_PER_BUNDLE * HTC_HOST_MAX_MSG_PER_BUNDLE) + (HTC_HOST_MAX_MSG_PER_RX_BUNDLE * HTC_HOST_MAX_MSG_PER_RX_BUNDLE) #define ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL 0x00000868u #define ATH10K_FIFO_TIMEOUT_AND_CHIP_CONTROL_DISABLE_SLEEP_OFF 0xFFFEFFFF -- cgit v1.2.3-55-g7522 From e4568eac0464ae6d5b361b186b1ee6eb7bf0bdbb Mon Sep 17 00:00:00 2001 From: Erik Stromdahl Date: Mon, 18 Jun 2018 17:01:29 +0300 Subject: ath10k: replace hardcoded constant with define The hardcoded values used in ath10k_mac_tx_push_pending and ath10k_mac_op_wake_tx_queue set an upper limit of how many packets that can be consumed from the TX queue. HTC_HOST_MAX_MSG_PER_TX_BUNDLE is a proper name for this constant, as the value effectively limits the number of messages that can be consumed in one step. Thus, the value is an upper limit of the number of messages that can be added to a TX message bundle. Signed-off-by: Erik Stromdahl Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htc.h | 1 + drivers/net/wireless/ath/ath10k/mac.c | 4 ++-- 2 files changed, 3 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h index e60fbea698a9..d69bb83049c4 100644 --- a/drivers/net/wireless/ath/ath10k/htc.h +++ b/drivers/net/wireless/ath/ath10k/htc.h @@ -51,6 +51,7 @@ struct ath10k; */ #define HTC_HOST_MAX_MSG_PER_RX_BUNDLE 8 +#define HTC_HOST_MAX_MSG_PER_TX_BUNDLE 16 enum ath10k_htc_tx_flags { ATH10K_HTC_FLAG_NEED_CREDIT_UPDATE = 0x01, diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index a6a34486eca3..1cfb774be2eb 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -4026,7 +4026,7 @@ void ath10k_mac_tx_push_pending(struct ath10k *ar) drv_priv); /* Prevent aggressive sta/tid taking over tx queue */ - max = 16; + max = HTC_HOST_MAX_MSG_PER_TX_BUNDLE; ret = 0; while (ath10k_mac_tx_can_push(hw, txq) && max--) { ret = ath10k_mac_tx_push_txq(hw, txq); @@ -4288,7 +4288,7 @@ static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw, struct ieee80211_txq *f_txq; struct ath10k_txq *f_artxq; int ret = 0; - int max = 16; + int max = HTC_HOST_MAX_MSG_PER_TX_BUNDLE; spin_lock_bh(&ar->txqs_lock); if (list_empty(&artxq->list)) -- cgit v1.2.3-55-g7522 From fe041deba4f6a857cd9d0c08a84b9f1709ede2b1 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Mon, 18 Jun 2018 17:11:17 +0200 Subject: ath9k: use timespec64 for tsf_ts ath9k is the last remaining user of the deprecated getrawmonotonic() interface. There is nothing wrong with this usage, but migrating to a timespec64 based interface lets us clean up the old API. Signed-off-by: Arnd Bergmann Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/ath9k.h | 4 ++-- drivers/net/wireless/ath/ath9k/channel.c | 14 +++++++------- drivers/net/wireless/ath/ath9k/hw.c | 10 +++++----- drivers/net/wireless/ath/ath9k/hw.h | 2 +- drivers/net/wireless/ath/ath9k/main.c | 4 ++-- 5 files changed, 17 insertions(+), 17 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index ef0de4f1312c..21ba20981a80 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -342,7 +342,7 @@ struct ath_chanctx { struct ath_beacon_config beacon; struct ath9k_hw_cal_data caldata; - struct timespec tsf_ts; + struct timespec64 tsf_ts; u64 tsf_val; u32 last_beacon; @@ -1021,7 +1021,7 @@ struct ath_softc { struct ath_offchannel offchannel; struct ath_chanctx *next_chan; struct completion go_beacon; - struct timespec last_event_time; + struct timespec64 last_event_time; #endif unsigned long driver_data; diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c index 1b05b5d7a038..fd61ae4782b6 100644 --- a/drivers/net/wireless/ath/ath9k/channel.c +++ b/drivers/net/wireless/ath/ath9k/channel.c @@ -233,9 +233,9 @@ static const char *chanctx_state_string(enum ath_chanctx_state state) static u32 chanctx_event_delta(struct ath_softc *sc) { u64 ms; - struct timespec ts, *old; + struct timespec64 ts, *old; - getrawmonotonic(&ts); + ktime_get_raw_ts64(&ts); old = &sc->last_event_time; ms = ts.tv_sec * 1000 + ts.tv_nsec / 1000000; ms -= old->tv_sec * 1000 + old->tv_nsec / 1000000; @@ -334,7 +334,7 @@ ath_chanctx_get_next(struct ath_softc *sc, struct ath_chanctx *ctx) static void ath_chanctx_adjust_tbtt_delta(struct ath_softc *sc) { struct ath_chanctx *prev, *cur; - struct timespec ts; + struct timespec64 ts; u32 cur_tsf, prev_tsf, beacon_int; s32 offset; @@ -346,7 +346,7 @@ static void ath_chanctx_adjust_tbtt_delta(struct ath_softc *sc) if (!prev->switch_after_beacon) return; - getrawmonotonic(&ts); + ktime_get_raw_ts64(&ts); cur_tsf = (u32) cur->tsf_val + ath9k_hw_get_tsf_offset(&cur->tsf_ts, &ts); @@ -1230,7 +1230,7 @@ void ath_chanctx_set_next(struct ath_softc *sc, bool force) { struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_chanctx *old_ctx; - struct timespec ts; + struct timespec64 ts; bool measure_time = false; bool send_ps = false; bool queues_stopped = false; @@ -1260,7 +1260,7 @@ void ath_chanctx_set_next(struct ath_softc *sc, bool force) spin_unlock_bh(&sc->chan_lock); if (sc->next_chan == &sc->offchannel.chan) { - getrawmonotonic(&ts); + ktime_get_raw_ts64(&ts); measure_time = true; } @@ -1277,7 +1277,7 @@ void ath_chanctx_set_next(struct ath_softc *sc, bool force) spin_lock_bh(&sc->chan_lock); if (sc->cur_chan != &sc->offchannel.chan) { - getrawmonotonic(&sc->cur_chan->tsf_ts); + ktime_get_raw_ts64(&sc->cur_chan->tsf_ts); sc->cur_chan->tsf_val = ath9k_hw_gettsf64(sc->sc_ah); } } diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index e60bea4604e4..e8e1f785bc5c 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1835,13 +1835,13 @@ fail: return -EINVAL; } -u32 ath9k_hw_get_tsf_offset(struct timespec *last, struct timespec *cur) +u32 ath9k_hw_get_tsf_offset(struct timespec64 *last, struct timespec64 *cur) { - struct timespec ts; + struct timespec64 ts; s64 usec; if (!cur) { - getrawmonotonic(&ts); + ktime_get_raw_ts64(&ts); cur = &ts; } @@ -1859,7 +1859,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, u32 saveLedState; u32 saveDefAntenna; u32 macStaId1; - struct timespec tsf_ts; + struct timespec64 tsf_ts; u32 tsf_offset; u64 tsf = 0; int r; @@ -1905,7 +1905,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B; /* Save TSF before chip reset, a cold reset clears it */ - getrawmonotonic(&tsf_ts); + ktime_get_raw_ts64(&tsf_ts); tsf = ath9k_hw_gettsf64(ah); saveLedState = REG_READ(ah, AR_CFG_LED) & diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 9804a24a2dc0..68956cdc8c9a 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -1060,7 +1060,7 @@ u32 ath9k_hw_gettsf32(struct ath_hw *ah); u64 ath9k_hw_gettsf64(struct ath_hw *ah); void ath9k_hw_settsf64(struct ath_hw *ah, u64 tsf64); void ath9k_hw_reset_tsf(struct ath_hw *ah); -u32 ath9k_hw_get_tsf_offset(struct timespec *last, struct timespec *cur); +u32 ath9k_hw_get_tsf_offset(struct timespec64 *last, struct timespec64 *cur); void ath9k_hw_set_tsfadjust(struct ath_hw *ah, bool set); void ath9k_hw_init_global_settings(struct ath_hw *ah); u32 ar9003_get_pll_sqsum_dvc(struct ath_hw *ah); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 5eb1c0aea41d..1049773378f2 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1865,7 +1865,7 @@ static void ath9k_set_tsf(struct ieee80211_hw *hw, mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); tsf -= le64_to_cpu(avp->tsf_adjust); - getrawmonotonic(&avp->chanctx->tsf_ts); + ktime_get_raw_ts64(&avp->chanctx->tsf_ts); if (sc->cur_chan == avp->chanctx) ath9k_hw_settsf64(sc->sc_ah, tsf); avp->chanctx->tsf_val = tsf; @@ -1881,7 +1881,7 @@ static void ath9k_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) mutex_lock(&sc->mutex); ath9k_ps_wakeup(sc); - getrawmonotonic(&avp->chanctx->tsf_ts); + ktime_get_raw_ts64(&avp->chanctx->tsf_ts); if (sc->cur_chan == avp->chanctx) ath9k_hw_reset_tsf(sc->sc_ah); avp->chanctx->tsf_val = 0; -- cgit v1.2.3-55-g7522 From 84a0d4669c8fdbe6e3e23937c5083af99a1946f2 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Wed, 20 Jun 2018 21:36:45 +0200 Subject: ath9k: use irqsave() in USB's complete callback The USB completion callback does not disable interrupts while acquiring the lock. We want to remove the local_irq_disable() invocation from __usb_hcd_giveback_urb() and therefore it is required for the callback handler to disable the interrupts while acquiring the lock. The callback may be invoked either in IRQ or BH context depending on the USB host controller. Use the _irqsave() variant of the locking primitives. Cc: QCA ath9k Development Cc: Kalle Valo Cc: "David S. Miller" Cc: linux-wireless@vger.kernel.org Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/hif_usb.c | 7 ++++--- drivers/net/wireless/ath/ath9k/htc_drv_txrx.c | 9 +++++---- drivers/net/wireless/ath/ath9k/wmi.c | 11 ++++++----- 3 files changed, 15 insertions(+), 12 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c index cb0eef13af1c..fb649d85b8fc 100644 --- a/drivers/net/wireless/ath/ath9k/hif_usb.c +++ b/drivers/net/wireless/ath/ath9k/hif_usb.c @@ -138,6 +138,7 @@ static void hif_usb_mgmt_cb(struct urb *urb) { struct cmd_buf *cmd = (struct cmd_buf *)urb->context; struct hif_device_usb *hif_dev; + unsigned long flags; bool txok = true; if (!cmd || !cmd->skb || !cmd->hif_dev) @@ -158,14 +159,14 @@ static void hif_usb_mgmt_cb(struct urb *urb) * If the URBs are being flushed, no need to complete * this packet. */ - spin_lock(&hif_dev->tx.tx_lock); + spin_lock_irqsave(&hif_dev->tx.tx_lock, flags); if (hif_dev->tx.flags & HIF_USB_TX_FLUSH) { - spin_unlock(&hif_dev->tx.tx_lock); + spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); dev_kfree_skb_any(cmd->skb); kfree(cmd); return; } - spin_unlock(&hif_dev->tx.tx_lock); + spin_unlock_irqrestore(&hif_dev->tx.tx_lock, flags); break; default: diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c index 585736a837ed..799010ed04e0 100644 --- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c +++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c @@ -1107,25 +1107,26 @@ void ath9k_htc_rxep(void *drv_priv, struct sk_buff *skb, struct ath_hw *ah = priv->ah; struct ath_common *common = ath9k_hw_common(ah); struct ath9k_htc_rxbuf *rxbuf = NULL, *tmp_buf = NULL; + unsigned long flags; - spin_lock(&priv->rx.rxbuflock); + spin_lock_irqsave(&priv->rx.rxbuflock, flags); list_for_each_entry(tmp_buf, &priv->rx.rxbuf, list) { if (!tmp_buf->in_process) { rxbuf = tmp_buf; break; } } - spin_unlock(&priv->rx.rxbuflock); + spin_unlock_irqrestore(&priv->rx.rxbuflock, flags); if (rxbuf == NULL) { ath_dbg(common, ANY, "No free RX buffer\n"); goto err; } - spin_lock(&priv->rx.rxbuflock); + spin_lock_irqsave(&priv->rx.rxbuflock, flags); rxbuf->skb = skb; rxbuf->in_process = true; - spin_unlock(&priv->rx.rxbuflock); + spin_unlock_irqrestore(&priv->rx.rxbuflock, flags); tasklet_schedule(&priv->rx_tasklet); return; diff --git a/drivers/net/wireless/ath/ath9k/wmi.c b/drivers/net/wireless/ath/ath9k/wmi.c index b0b5579b7560..d1f6710ca63b 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.c +++ b/drivers/net/wireless/ath/ath9k/wmi.c @@ -209,6 +209,7 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb, { struct wmi *wmi = priv; struct wmi_cmd_hdr *hdr; + unsigned long flags; u16 cmd_id; if (unlikely(wmi->stopped)) @@ -218,20 +219,20 @@ static void ath9k_wmi_ctrl_rx(void *priv, struct sk_buff *skb, cmd_id = be16_to_cpu(hdr->command_id); if (cmd_id & 0x1000) { - spin_lock(&wmi->wmi_lock); + spin_lock_irqsave(&wmi->wmi_lock, flags); __skb_queue_tail(&wmi->wmi_event_queue, skb); - spin_unlock(&wmi->wmi_lock); + spin_unlock_irqrestore(&wmi->wmi_lock, flags); tasklet_schedule(&wmi->wmi_event_tasklet); return; } /* Check if there has been a timeout. */ - spin_lock(&wmi->wmi_lock); + spin_lock_irqsave(&wmi->wmi_lock, flags); if (be16_to_cpu(hdr->seq_no) != wmi->last_seq_id) { - spin_unlock(&wmi->wmi_lock); + spin_unlock_irqrestore(&wmi->wmi_lock, flags); goto free_skb; } - spin_unlock(&wmi->wmi_lock); + spin_unlock_irqrestore(&wmi->wmi_lock, flags); /* WMI command response */ ath9k_wmi_rsp_callback(wmi, skb); -- cgit v1.2.3-55-g7522 From 62652555c616cad23a572f76cb5e870ab5395191 Mon Sep 17 00:00:00 2001 From: Bob Copeland Date: Thu, 21 Jun 2018 08:25:48 -0400 Subject: ath10k: use locked skb_dequeue for rx completions In our environment we are occasionally seeing the following stack trace in ath10k: Unable to handle kernel paging request at virtual address 0000a800 pgd = c0204000 [0000a800] *pgd=00000000 Internal error: Oops: 17 [#1] SMP ARM Modules linked in: dwc3 dwc3_of_simple phy_qcom_dwc3 nf_nat xt_connmark CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.9.31 #2 Hardware name: Generic DT based system task: c09f4f40 task.stack: c09ee000 PC is at kfree_skb_list+0x1c/0x2c LR is at skb_release_data+0x6c/0x108 pc : [] lr : [] psr: 200f0113 sp : c09efb68 ip : c09efb80 fp : c09efb7c r10: 00000000 r9 : 00000000 r8 : 043fddd1 r7 : bf15d160 r6 : 00000000 r5 : d4ca2f00 r4 : ca7c6480 r3 : 000000a0 r2 : 01000000 r1 : c0a57470 r0 : 0000a800 Flags: nzCv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none Control: 10c5787d Table: 56e6006a DAC: 00000051 Process swapper/0 (pid: 0, stack limit = 0xc09ee210) Stack: (0xc09efb68 to 0xc09f0000) fb60: ca7c6480 d4ca2f00 c09efb9c c09efb80 c065da5c c065dcb4 fb80: d4ca2f00 00000000 dcbf8400 bf15d160 c09efbb4 c09efba0 c065db28 c065d9fc fba0: d4ca2f00 00000000 c09efbcc c09efbb8 c065db48 c065db04 d4ca2f00 00000000 fbc0: c09efbe4 c09efbd0 c065ddd0 c065db38 d4ca2f00 00000000 c09efc64 c09efbe8 fbe0: bf09bd00 c065dd10 00000003 7fffffff c09efc24 dcbfc9c0 01200000 00000000 fc00: 00000000 00000000 ddb7e440 c09e9440 c09efc48 1d195000 c09efc7c c09efc28 fc20: c027bb68 c028aa00 ddb7e4f8 bf13231c ddb7e454 0004091f bf154571 d4ca2f00 fc40: dcbf8d00 ca7c5df6 bf154538 01200000 00000000 bf154538 c09efd1c c09efc68 fc60: bf132458 bf09bbbc ca7c5dec 00000041 bf154538 bf154539 000007bf bf154545 fc80: bf154538 bf154538 bf154538 bf154538 bf154538 00000000 00000000 000016c1 fca0: 00000001 c09efcb0 01200000 00000000 00000000 00000000 00000000 00000001 fcc0: bf154539 00000041 00000000 00000007 00000000 000000d0 ffffffff 3160ffff fce0: 9ad93e97 3e973160 7bf09ad9 0004091f d4ca2f00 c09efdb0 dcbf94e8 00000000 fd00: dcbf8d00 01200000 00000000 dcbf8d00 c09efd44 c09efd20 bf132544 bf132130 fd20: dcbf8d00 00000000 d4ca2f00 c09efdb0 00000001 d4ca2f00 c09efdec c09efd48 fd40: bf133630 bf1324d0 ca7c5cc0 000007c0 c09efd88 c09efd70 c0764230 c02277d8 fd60: 200f0113 ffffffff dcbf94c8 bf000000 dcbf93b0 dcbf8d00 00000040 dcbf945c fd80: dcbf94e8 00000000 c09efdcc 00000000 c09efd90 c09efd90 00000000 00000024 fda0: dcbf8d00 00000000 00000005 dcbf8d00 c09efdb0 c09efdb0 00000000 00000040 fdc0: c09efdec dcbf8d00 dcbfc9c0 c09ed140 00000040 00000000 00000100 00000040 fde0: c09efe14 c09efdf0 bf1739b4 bf132840 dcbfc9c0 ddb82140 c09ed140 1d195000 fe00: 00000001 00000100 c09efe64 c09efe18 c067136c bf173958 ddb7fac8 c09f0d00 fe20: 001df678 0000012c c09efe28 c09efe28 c09efe30 c09efe30 c0a7fb28 ffffe000 fe40: c09f008c 00000003 00000008 c0a598c0 00000100 c09f0080 c09efeb4 c09efe68 fe60: c02096e0 c0671278 c0494584 00000080 dd5c3300 c09f0d00 00000004 001df677 fe80: 0000000a 00200100 dd5c3300 00000000 00000000 c09eaa70 00000060 dd410800 fea0: c09ee000 00000000 c09efecc c09efeb8 c0227944 c02094c4 00000000 00000000 fec0: c09efef4 c09efed0 c0268b64 c02278ac de802000 c09f1b1c c09eff20 c0a16cc0 fee0: de803000 c09ee000 c09eff1c c09efef8 c020947c c0268ae0 c02103dc 600f0013 ff00: ffffffff c09eff54 ffffe000 c09ee000 c09eff7c c09eff20 c021448c c0209424 ff20: 00000001 00000000 00000000 c021ddc0 00000000 00000000 c09f1024 00000001 ff40: ffffe000 c09f1078 00000000 c09eff7c c09eff80 c09eff70 c02103ec c02103dc ff60: 600f0013 ffffffff 00000051 00000000 c09eff8c c09eff80 c0763cc4 c02103bc ff80: c09effa4 c09eff90 c025f0e4 c0763c98 c0a59040 c09f1000 c09effb4 c09effa8 ffa0: c075efe0 c025efd4 c09efff4 c09effb8 c097dcac c075ef7c ffffffff ffffffff ffc0: 00000000 c097d6c4 00000000 c09c1a28 c0a59294 c09f101c c09c1a24 c09f61c0 ffe0: 4220406a 512f04d0 00000000 c09efff8 4220807c c097d95c 00000000 00000000 [] (kfree_skb_list) from [] (skb_release_data+0x6c/0x108) [] (skb_release_data) from [] (skb_release_all+0x30/0x34) [] (skb_release_all) from [] (__kfree_skb+0x1c/0x9c) [] (__kfree_skb) from [] (consume_skb+0xcc/0xd8) [] (consume_skb) from [] (ieee80211_rx_napi+0x150/0x82c [mac80211]) [] (ieee80211_rx_napi [mac80211]) from [] (ath10k_htt_t2h_msg_handler+0x15e8/0x19c4 [ath10k_core]) [] (ath10k_htt_t2h_msg_handler [ath10k_core]) from [] (ath10k_htt_t2h_msg_handler+0x16d4/0x19c4 [ath10k_core]) [] (ath10k_htt_t2h_msg_handler [ath10k_core]) from [] (ath10k_htt_txrx_compl_task+0xdfc/0x12cc [ath10k_core]) [] (ath10k_htt_txrx_compl_task [ath10k_core]) from [] (ath10k_pci_napi_poll+0x68/0xf4 [ath10k_pci]) [] (ath10k_pci_napi_poll [ath10k_pci]) from [] (net_rx_action+0x100/0x33c) [] (net_rx_action) from [] (__do_softirq+0x228/0x31c) [] (__do_softirq) from [] (irq_exit+0xa4/0x114) The trace points to a corrupt skb inside kfree_skb(), seemingly because one of the shared skb queues is getting corrupted. Most of the skb queues ath10k uses are local to a single call stack, but three are shared among multiple codepaths: - rx_msdus_q, - rx_in_ord_compl_q, and - tx_fetch_ind_q Of the three, the first two are manipulated using the unlocked skb_queue functions without any additional lock protecting them. Use the locked variants of skb_queue_* functions to protect these manipulations. Signed-off-by: Bob Copeland Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_rx.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/htt_rx.c b/drivers/net/wireless/ath/ath10k/htt_rx.c index 2840ef75e3a6..4d1cd90d6d27 100644 --- a/drivers/net/wireless/ath/ath10k/htt_rx.c +++ b/drivers/net/wireless/ath/ath10k/htt_rx.c @@ -1092,7 +1092,7 @@ static void ath10k_htt_rx_h_queue_msdu(struct ath10k *ar, status = IEEE80211_SKB_RXCB(skb); *status = *rx_status; - __skb_queue_tail(&ar->htt.rx_msdus_q, skb); + skb_queue_tail(&ar->htt.rx_msdus_q, skb); } static void ath10k_process_rx(struct ath10k *ar, struct sk_buff *skb) @@ -2813,7 +2813,7 @@ bool ath10k_htt_t2h_msg_handler(struct ath10k *ar, struct sk_buff *skb) break; } case HTT_T2H_MSG_TYPE_RX_IN_ORD_PADDR_IND: { - __skb_queue_tail(&htt->rx_in_ord_compl_q, skb); + skb_queue_tail(&htt->rx_in_ord_compl_q, skb); return false; } case HTT_T2H_MSG_TYPE_TX_CREDIT_UPDATE_IND: @@ -2877,7 +2877,7 @@ static int ath10k_htt_rx_deliver_msdu(struct ath10k *ar, int quota, int budget) if (skb_queue_empty(&ar->htt.rx_msdus_q)) break; - skb = __skb_dequeue(&ar->htt.rx_msdus_q); + skb = skb_dequeue(&ar->htt.rx_msdus_q); if (!skb) break; ath10k_process_rx(ar, skb); @@ -2908,7 +2908,7 @@ int ath10k_htt_txrx_compl_task(struct ath10k *ar, int budget) goto exit; } - while ((skb = __skb_dequeue(&htt->rx_in_ord_compl_q))) { + while ((skb = skb_dequeue(&htt->rx_in_ord_compl_q))) { spin_lock_bh(&htt->rx_ring.lock); ret = ath10k_htt_rx_in_ord_ind(ar, skb); spin_unlock_bh(&htt->rx_ring.lock); -- cgit v1.2.3-55-g7522 From 10db60b9fab7d45a9c3b983ead41cd1416eb1cb3 Mon Sep 17 00:00:00 2001 From: Loic Poulain Date: Wed, 20 Jun 2018 09:57:58 +0200 Subject: wcn36xx: Fix WEP104 encryption type This is an obvious copy & paste bug. Signed-off-by: Loic Poulain Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wcn36xx/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index aeb5e6e806be..4648a78c4a5c 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -512,7 +512,7 @@ static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40; break; case WLAN_CIPHER_SUITE_WEP104: - vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40; + vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP104; break; case WLAN_CIPHER_SUITE_CCMP: vif_priv->encrypt_type = WCN36XX_HAL_ED_CCMP; -- cgit v1.2.3-55-g7522 From e3160542ab488cff4e12c81066c51928c08e384d Mon Sep 17 00:00:00 2001 From: Loic Poulain Date: Wed, 20 Jun 2018 09:57:59 +0200 Subject: wcn36xx: Track associated stations Add list of associated stations(STA, AP, peer...) per vif. Signed-off-by: Loic Poulain Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wcn36xx/main.c | 5 +++++ drivers/net/wireless/ath/wcn36xx/wcn36xx.h | 3 +++ 2 files changed, 8 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index 4648a78c4a5c..6fd0bf66da5d 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -567,6 +567,7 @@ static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, key_conf->keyidx, key_conf->keylen, key); + if ((WLAN_CIPHER_SUITE_WEP40 == key_conf->cipher) || (WLAN_CIPHER_SUITE_WEP104 == key_conf->cipher)) { sta_priv->is_data_encrypted = true; @@ -984,6 +985,7 @@ static int wcn36xx_add_interface(struct ieee80211_hw *hw, mutex_lock(&wcn->conf_mutex); vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX; + INIT_LIST_HEAD(&vif_priv->sta_list); list_add(&vif_priv->list, &wcn->vif_list); wcn36xx_smd_add_sta_self(wcn, vif); @@ -1005,6 +1007,8 @@ static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, spin_lock_init(&sta_priv->ampdu_lock); sta_priv->vif = vif_priv; + list_add(&sta_priv->list, &vif_priv->sta_list); + /* * For STA mode HW will be configured on BSS_CHANGED_ASSOC because * at this stage AID is not available yet. @@ -1032,6 +1036,7 @@ static int wcn36xx_sta_remove(struct ieee80211_hw *hw, mutex_lock(&wcn->conf_mutex); + list_del(&sta_priv->list); wcn36xx_smd_delete_sta(wcn, sta_priv->sta_index); sta_priv->vif = NULL; diff --git a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h index 11e74015c79a..a58f313983b9 100644 --- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h +++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h @@ -129,6 +129,8 @@ struct wcn36xx_vif { u8 self_sta_index; u8 self_dpu_desc_index; u8 self_ucast_dpu_sign; + + struct list_head sta_list; }; /** @@ -154,6 +156,7 @@ struct wcn36xx_vif { * |______________|_____________|_______________| */ struct wcn36xx_sta { + struct list_head list; struct wcn36xx_vif *vif; u16 aid; u16 tid; -- cgit v1.2.3-55-g7522 From 216da1287a8a9e8a2dbef59c8bfc2f4dda11b92a Mon Sep 17 00:00:00 2001 From: Loic Poulain Date: Wed, 20 Jun 2018 09:58:00 +0200 Subject: wcn36xx: Fix WEP encryption In case of WEP encryption, driver has to configure shared key for associated station(s). Note that sta pointer is NULL in case of non pairwise key, causing NULL pointer dereference with existing code (sta_priv->is_data_encrypted). Fix this by using associated sta list instead. This enables WEP support as client, WEP AP is non-functional. Signed-off-by: Loic Poulain Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wcn36xx/main.c | 19 +++++++++++-------- drivers/net/wireless/ath/wcn36xx/smd.c | 20 ++++++++++++++------ 2 files changed, 25 insertions(+), 14 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index 6fd0bf66da5d..e38443ecaab4 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -493,7 +493,7 @@ static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, { struct wcn36xx *wcn = hw->priv; struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); - struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta); + struct wcn36xx_sta *sta_priv = sta ? wcn36xx_sta_to_priv(sta) : NULL; int ret = 0; u8 key[WLAN_MAX_KEY_LEN]; @@ -570,13 +570,16 @@ static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, if ((WLAN_CIPHER_SUITE_WEP40 == key_conf->cipher) || (WLAN_CIPHER_SUITE_WEP104 == key_conf->cipher)) { - sta_priv->is_data_encrypted = true; - wcn36xx_smd_set_stakey(wcn, - vif_priv->encrypt_type, - key_conf->keyidx, - key_conf->keylen, - key, - get_sta_index(vif, sta_priv)); + list_for_each_entry(sta_priv, + &vif_priv->sta_list, list) { + sta_priv->is_data_encrypted = true; + wcn36xx_smd_set_stakey(wcn, + vif_priv->encrypt_type, + key_conf->keyidx, + key_conf->keylen, + key, + get_sta_index(vif, sta_priv)); + } } } break; diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c index b4dadf75d565..304a86c7dcd2 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.c +++ b/drivers/net/wireless/ath/wcn36xx/smd.c @@ -1708,12 +1708,20 @@ int wcn36xx_smd_set_stakey(struct wcn36xx *wcn, msg_body.set_sta_key_params.sta_index = sta_index; msg_body.set_sta_key_params.enc_type = enc_type; - msg_body.set_sta_key_params.key[0].id = keyidx; - msg_body.set_sta_key_params.key[0].unicast = 1; - msg_body.set_sta_key_params.key[0].direction = WCN36XX_HAL_TX_RX; - msg_body.set_sta_key_params.key[0].pae_role = 0; - msg_body.set_sta_key_params.key[0].length = keylen; - memcpy(msg_body.set_sta_key_params.key[0].key, key, keylen); + if (enc_type == WCN36XX_HAL_ED_WEP104 || + enc_type == WCN36XX_HAL_ED_WEP40) { + /* Use bss key for wep (static) */ + msg_body.set_sta_key_params.def_wep_idx = keyidx; + msg_body.set_sta_key_params.wep_type = 0; + } else { + msg_body.set_sta_key_params.key[0].id = keyidx; + msg_body.set_sta_key_params.key[0].unicast = 1; + msg_body.set_sta_key_params.key[0].direction = WCN36XX_HAL_TX_RX; + msg_body.set_sta_key_params.key[0].pae_role = 0; + msg_body.set_sta_key_params.key[0].length = keylen; + memcpy(msg_body.set_sta_key_params.key[0].key, key, keylen); + } + msg_body.set_sta_key_params.single_tid_rc = 1; PREPARE_HAL_BUF(wcn->hal_buf, msg_body); -- cgit v1.2.3-55-g7522 From 679e1f07c86221b7183dd69df7068fd42d0041f6 Mon Sep 17 00:00:00 2001 From: Alagu Sankar Date: Fri, 29 Jun 2018 16:27:56 +0300 Subject: ath10k: sdio: use same endpoint id for all packets in a bundle All packets in a bundle should use the same endpoint id as the first lookahead. This matches how things are done is ath6kl, however, this patch can theoretically handle several bundles in ath10k_sdio_mbox_rx_process_packets(). Without this patch we get lots of errors about invalid endpoint id: ath10k_sdio mmc2:0001:1: invalid endpoint in look-ahead: 224 ath10k_sdio mmc2:0001:1: failed to get pending recv messages: -12 ath10k_sdio mmc2:0001:1: failed to process pending SDIO interrupts: -12 Co-Developed-by: Niklas Cassel Signed-off-by: Alagu Sankar Signed-off-by: Niklas Cassel Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/sdio.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c index 926e4c3ea256..4c018a9f3755 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.c +++ b/drivers/net/wireless/ath/ath10k/sdio.c @@ -435,12 +435,14 @@ static int ath10k_sdio_mbox_rx_process_packets(struct ath10k *ar, enum ath10k_htc_ep_id id; int ret, i, *n_lookahead_local; u32 *lookaheads_local; + int lookahead_idx = 0; for (i = 0; i < ar_sdio->n_rx_pkts; i++) { lookaheads_local = lookaheads; n_lookahead_local = n_lookahead; - id = ((struct ath10k_htc_hdr *)&lookaheads[i])->eid; + id = ((struct ath10k_htc_hdr *) + &lookaheads[lookahead_idx++])->eid; if (id >= ATH10K_HTC_EP_COUNT) { ath10k_warn(ar, "invalid endpoint in look-ahead: %d\n", @@ -463,6 +465,7 @@ static int ath10k_sdio_mbox_rx_process_packets(struct ath10k *ar, /* Only read lookahead's from RX trailers * for the last packet in a bundle. */ + lookahead_idx--; lookaheads_local = NULL; n_lookahead_local = NULL; } -- cgit v1.2.3-55-g7522 From d1d061b1395a6eff8fd625f59ba97620f9488620 Mon Sep 17 00:00:00 2001 From: Alagu Sankar Date: Fri, 29 Jun 2018 16:27:58 +0300 Subject: ath10k: sdio: allocate correct size for RECV_1MORE_BLOCK rx packets Without this, when receiving a packet that has this flag set from firmware, we will read invalid trailer data from the packet, which will be shown as various errors, e.g. "sdio mbox lookahead is zero" or "invalid rx packet" or "payload length x exceeds max htc length". Co-Developed-by: Niklas Cassel Signed-off-by: Alagu Sankar Signed-off-by: Niklas Cassel Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htc.h | 1 + drivers/net/wireless/ath/ath10k/sdio.c | 3 +++ 2 files changed, 4 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/htc.h b/drivers/net/wireless/ath/ath10k/htc.h index d69bb83049c4..51fda6c23f69 100644 --- a/drivers/net/wireless/ath/ath10k/htc.h +++ b/drivers/net/wireless/ath/ath10k/htc.h @@ -59,6 +59,7 @@ enum ath10k_htc_tx_flags { }; enum ath10k_htc_rx_flags { + ATH10K_HTC_FLAGS_RECV_1MORE_BLOCK = 0x01, ATH10K_HTC_FLAG_TRAILER_PRESENT = 0x02, ATH10K_HTC_FLAG_BUNDLE_MASK = 0xF0 }; diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c index 4c018a9f3755..848f0afc21e5 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.c +++ b/drivers/net/wireless/ath/ath10k/sdio.c @@ -604,6 +604,9 @@ static int ath10k_sdio_mbox_rx_alloc(struct ath10k *ar, * ATH10K_HTC_FLAG_BUNDLE_MASK flag set, all bundled * packet skb's have been allocated in the previous step. */ + if (htc_hdr->flags & ATH10K_HTC_FLAGS_RECV_1MORE_BLOCK) + full_len += ATH10K_HIF_MBOX_BLOCK_SIZE; + ret = ath10k_sdio_mbox_alloc_rx_pkt(&ar_sdio->rx_pkts[i], act_len, full_len, -- cgit v1.2.3-55-g7522 From 8530b4e7b22bc3bd8240579f3844c73947cd5f71 Mon Sep 17 00:00:00 2001 From: Alagu Sankar Date: Fri, 29 Jun 2018 16:28:00 +0300 Subject: ath10k: sdio: set skb len for all rx packets Without this, packets larger than 1500 will silently be dropped. Easily reproduced by sending a ping packet with a size larger than 1500. Co-Developed-by: Niklas Cassel Signed-off-by: Alagu Sankar Signed-off-by: Niklas Cassel Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/sdio.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/sdio.c b/drivers/net/wireless/ath/ath10k/sdio.c index 848f0afc21e5..7f61591ce0de 100644 --- a/drivers/net/wireless/ath/ath10k/sdio.c +++ b/drivers/net/wireless/ath/ath10k/sdio.c @@ -397,6 +397,7 @@ static int ath10k_sdio_mbox_rx_process_packet(struct ath10k *ar, int ret; payload_len = le16_to_cpu(htc_hdr->len); + skb->len = payload_len + sizeof(struct ath10k_htc_hdr); if (trailer_present) { trailer = skb->data + sizeof(*htc_hdr) + -- cgit v1.2.3-55-g7522 From 485790d070532e68a78d8beb4a139f276b35cbbd Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Fri, 29 Jun 2018 16:28:14 +0300 Subject: wil6210: add support for Talyn-MB (Talyn ver 2.0) device Add changes to support initialization of Talyn-MB wil6210 device: - Add definition for Talyn-MB new JTAG id - Define talyn_mb_fw_mapping array - Add Talyn-MB reset sequence Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/main.c | 48 +++++++++++++++++++------ drivers/net/wireless/ath/wil6210/pcie_bus.c | 11 +++++- drivers/net/wireless/ath/wil6210/wil6210.h | 11 +++++- drivers/net/wireless/ath/wil6210/wmi.c | 55 +++++++++++++++++++++++++++++ 4 files changed, 113 insertions(+), 12 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index e7006c2428a0..1282e1a63f92 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -736,14 +736,24 @@ static void wil_bl_prepare_halt(struct wil6210_priv *wil) static inline void wil_halt_cpu(struct wil6210_priv *wil) { - wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST); - wil_w(wil, RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST); + if (wil->hw_version >= HW_VER_TALYN_MB) { + wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, + BIT_USER_USER_CPU_MAN_RST); + wil_w(wil, RGF_USER_MAC_CPU_0_TALYN_MB, + BIT_USER_MAC_CPU_MAN_RST); + } else { + wil_w(wil, RGF_USER_USER_CPU_0, BIT_USER_USER_CPU_MAN_RST); + wil_w(wil, RGF_USER_MAC_CPU_0, BIT_USER_MAC_CPU_MAN_RST); + } } static inline void wil_release_cpu(struct wil6210_priv *wil) { /* Start CPU */ - wil_w(wil, RGF_USER_USER_CPU_0, 1); + if (wil->hw_version >= HW_VER_TALYN_MB) + wil_w(wil, RGF_USER_USER_CPU_0_TALYN_MB, 1); + else + wil_w(wil, RGF_USER_USER_CPU_0, 1); } static void wil_set_oob_mode(struct wil6210_priv *wil, u8 mode) @@ -811,10 +821,17 @@ static int wil_target_reset(struct wil6210_priv *wil, int no_flash) wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x3ff81f); wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0xf); - wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xFE000000); - wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003F); - wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0); - wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xFFE7FE00); + if (wil->hw_version >= HW_VER_TALYN_MB) { + wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0x7e000000); + wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f); + wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0xc00000f0); + wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00); + } else { + wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_2, 0xfe000000); + wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_1, 0x0000003f); + wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_3, 0x000000f0); + wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0xffe7fe00); + } wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_0, 0x0); wil_w(wil, RGF_USER_CLKS_CTL_EXT_SW_RST_VEC_1, 0x0); @@ -1042,8 +1059,14 @@ static int wil_get_otp_info(struct wil6210_priv *wil) struct net_device *ndev = wil->main_ndev; struct wiphy *wiphy = wil_to_wiphy(wil); u8 mac[8]; + int mac_addr; + + if (wil->hw_version >= HW_VER_TALYN_MB) + mac_addr = RGF_OTP_MAC_TALYN_MB; + else + mac_addr = RGF_OTP_MAC; - wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(RGF_OTP_MAC), + wil_memcpy_fromio_32(mac, wil->csr + HOSTADDR(mac_addr), sizeof(mac)); if (!is_valid_ether_addr(mac)) { wil_err(wil, "Invalid MAC %pM\n", mac); @@ -1147,8 +1170,13 @@ static void wil_pre_fw_config(struct wil6210_priv *wil) /* it is W1C, clear by writing back same value */ wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0); wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0); - /* clear PAL_UNIT_ICR (potential D0->D3 leftover) */ - wil_s(wil, RGF_PAL_UNIT_ICR + offsetof(struct RGF_ICR, ICR), 0); + /* clear PAL_UNIT_ICR (potential D0->D3 leftover) + * In Talyn-MB host cannot access this register due to + * access control, hence PAL_UNIT_ICR is cleared by the FW + */ + if (wil->hw_version < HW_VER_TALYN_MB) + wil_s(wil, RGF_PAL_UNIT_ICR + offsetof(struct RGF_ICR, ICR), + 0); if (wil->fw_calib_result > 0) { __le32 val = cpu_to_le32(wil->fw_calib_result | diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 19cbc6add637..3a7e406d0311 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -85,7 +85,7 @@ int wil_set_capabilities(struct wil6210_priv *wil) wil->rgf_ucode_assert_code_addr = SPARROW_RGF_UCODE_ASSERT_CODE; break; case JTAG_DEV_ID_TALYN: - wil->hw_name = "Talyn"; + wil->hw_name = "Talyn-MA"; wil->hw_version = HW_VER_TALYN; memcpy(fw_mapping, talyn_fw_mapping, sizeof(talyn_fw_mapping)); wil->rgf_fw_assert_code_addr = TALYN_RGF_FW_ASSERT_CODE; @@ -94,6 +94,15 @@ int wil_set_capabilities(struct wil6210_priv *wil) BIT_NO_FLASH_INDICATION) set_bit(hw_capa_no_flash, wil->hw_capa); break; + case JTAG_DEV_ID_TALYN_MB: + wil->hw_name = "Talyn-MB"; + wil->hw_version = HW_VER_TALYN_MB; + memcpy(fw_mapping, talyn_mb_fw_mapping, + sizeof(talyn_mb_fw_mapping)); + wil->rgf_fw_assert_code_addr = TALYN_RGF_FW_ASSERT_CODE; + wil->rgf_ucode_assert_code_addr = TALYN_RGF_UCODE_ASSERT_CODE; + set_bit(hw_capa_no_flash, wil->hw_capa); + break; default: wil_err(wil, "Unknown board hardware, chip_id 0x%08x, chip_revision 0x%08x\n", jtag_id, chip_revision); diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index b623510c6f6c..4cd8e4030fe9 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -311,14 +311,20 @@ struct RGF_ICR { #define RGF_USER_JTAG_DEV_ID (0x880b34) /* device ID */ #define JTAG_DEV_ID_SPARROW (0x2632072f) #define JTAG_DEV_ID_TALYN (0x7e0e1) + #define JTAG_DEV_ID_TALYN_MB (0x1007e0e1) #define RGF_USER_REVISION_ID (0x88afe4) #define RGF_USER_REVISION_ID_MASK (3) #define REVISION_ID_SPARROW_B0 (0x0) #define REVISION_ID_SPARROW_D0 (0x3) +#define RGF_OTP_MAC_TALYN_MB (0x8a0304) #define RGF_OTP_MAC (0x8a0620) +/* Talyn-MB */ +#define RGF_USER_USER_CPU_0_TALYN_MB (0x8c0138) +#define RGF_USER_MAC_CPU_0_TALYN_MB (0x8c0154) + /* crash codes for FW/Ucode stored here */ /* ASSERT RGFs */ @@ -332,6 +338,7 @@ enum { HW_VER_SPARROW_B0, /* REVISION_ID_SPARROW_B0 */ HW_VER_SPARROW_D0, /* REVISION_ID_SPARROW_D0 */ HW_VER_TALYN, /* JTAG_DEV_ID_TALYN */ + HW_VER_TALYN_MB /* JTAG_DEV_ID_TALYN_MB */ }; /* popular locations */ @@ -349,7 +356,8 @@ enum { /* Hardware definitions end */ #define SPARROW_FW_MAPPING_TABLE_SIZE 10 #define TALYN_FW_MAPPING_TABLE_SIZE 13 -#define MAX_FW_MAPPING_TABLE_SIZE 13 +#define TALYN_MB_FW_MAPPING_TABLE_SIZE 19 +#define MAX_FW_MAPPING_TABLE_SIZE 19 struct fw_map { u32 from; /* linker address - from, inclusive */ @@ -363,6 +371,7 @@ struct fw_map { extern const struct fw_map sparrow_fw_mapping[SPARROW_FW_MAPPING_TABLE_SIZE]; extern const struct fw_map sparrow_d0_mac_rgf_ext; extern const struct fw_map talyn_fw_mapping[TALYN_FW_MAPPING_TABLE_SIZE]; +extern const struct fw_map talyn_mb_fw_mapping[TALYN_MB_FW_MAPPING_TABLE_SIZE]; extern struct fw_map fw_mapping[MAX_FW_MAPPING_TABLE_SIZE]; /** diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 5d991243cdb5..5509f9474f9c 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -164,6 +164,61 @@ const struct fw_map talyn_fw_mapping[] = { {0x800000, 0x808000, 0xa78000, "uc_data", false}, }; +/** + * @talyn_mb_fw_mapping provides memory remapping table for Talyn-MB + * + * array size should be in sync with the declaration in the wil6210.h + * + * Talyn MB memory mapping: + * Linker address PCI/Host address + * 0x880000 .. 0xc80000 4Mb BAR0 + * 0x800000 .. 0x820000 0xa00000 .. 0xa20000 128k DCCM + * 0x840000 .. 0x858000 0xa20000 .. 0xa38000 96k PERIPH + */ +const struct fw_map talyn_mb_fw_mapping[] = { + /* FW code RAM 768k */ + {0x000000, 0x0c0000, 0x900000, "fw_code", true}, + /* FW data RAM 128k */ + {0x800000, 0x820000, 0xa00000, "fw_data", true}, + /* periph. data RAM 96k */ + {0x840000, 0x858000, 0xa20000, "fw_peri", true}, + /* various RGF 40k */ + {0x880000, 0x88a000, 0x880000, "rgf", true}, + /* AGC table 4k */ + {0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true}, + /* Pcie_ext_rgf 4k */ + {0x88b000, 0x88c000, 0x88b000, "rgf_ext", true}, + /* mac_ext_rgf 2256b */ + {0x88c000, 0x88c8d0, 0x88c000, "mac_rgf_ext", true}, + /* ext USER RGF 4k */ + {0x88d000, 0x88e000, 0x88d000, "ext_user_rgf", true}, + /* SEC PKA 16k */ + {0x890000, 0x894000, 0x890000, "sec_pka", true}, + /* SEC KDF RGF 3096b */ + {0x898000, 0x898c18, 0x898000, "sec_kdf_rgf", true}, + /* SEC MAIN 2124b */ + {0x89a000, 0x89a84c, 0x89a000, "sec_main", true}, + /* OTP 4k */ + {0x8a0000, 0x8a1000, 0x8a0000, "otp", true}, + /* DMA EXT RGF 64k */ + {0x8b0000, 0x8c0000, 0x8b0000, "dma_ext_rgf", true}, + /* DUM USER RGF 528b */ + {0x8c0000, 0x8c0210, 0x8c0000, "dum_user_rgf", true}, + /* DMA OFU 296b */ + {0x8c2000, 0x8c2128, 0x8c2000, "dma_ofu", true}, + /* ucode debug 4k */ + {0x8c3000, 0x8c4000, 0x8c3000, "ucode_debug", true}, + /* upper area 1536k */ + {0x900000, 0xa80000, 0x900000, "upper", true}, + /* UCODE areas - accessible by debugfs blobs but not by + * wmi_addr_remap. UCODE areas MUST be added AFTER FW areas! + */ + /* ucode code RAM 256k */ + {0x000000, 0x040000, 0xa38000, "uc_code", false}, + /* ucode data RAM 32k */ + {0x800000, 0x808000, 0xa78000, "uc_data", false}, +}; + struct fw_map fw_mapping[MAX_FW_MAPPING_TABLE_SIZE]; struct blink_on_off_time led_blink_time[] = { -- cgit v1.2.3-55-g7522 From 10590c6a07b6a84cc3224cfda481317deaf31565 Mon Sep 17 00:00:00 2001 From: Gidon Studinski Date: Fri, 29 Jun 2018 16:28:18 +0300 Subject: wil6210: add support for enhanced DMA structures In enhanced DMA the vrings are handled internally by the FW and are not exposed to the driver. Instead, the driver handles descriptor rings, which are mapped by the FW to vrings. The completions of the TX and RX descriptors are notified to the driver using status rings. Each status ring descriptor includes information of the completed descriptors and the ring id of their descriptor ring. This patch changes struct vring to generic wil_ring to allow its reuse for enhanced DMA descriptor rings and adds the descriptor and status rings specific descriptors. The vring debugfs entries have changed as follows: - dbg_vring_index has changed to dbg_ring_index - vrings has changed to rings - vring_idle_trsh has changed to ring_idle_trsh - vring_index has changed to ring_index Signed-off-by: Gidon Studinski Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/cfg80211.c | 12 +- drivers/net/wireless/ath/wil6210/debugfs.c | 111 ++++---- drivers/net/wireless/ath/wil6210/main.c | 34 +-- drivers/net/wireless/ath/wil6210/netdev.c | 8 +- drivers/net/wireless/ath/wil6210/rx_reorder.c | 2 +- drivers/net/wireless/ath/wil6210/txrx.c | 356 ++++++++++++-------------- drivers/net/wireless/ath/wil6210/txrx.h | 68 ++++- drivers/net/wireless/ath/wil6210/txrx_edma.h | 290 +++++++++++++++++++++ drivers/net/wireless/ath/wil6210/wil6210.h | 110 ++++++-- drivers/net/wireless/ath/wil6210/wmi.c | 24 +- 10 files changed, 696 insertions(+), 319 deletions(-) create mode 100644 drivers/net/wireless/ath/wil6210/txrx_edma.h (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 78946f28d0c7..dfe64b06654f 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -1726,7 +1726,7 @@ static int wil_cfg80211_change_station(struct wiphy *wiphy, struct wil6210_priv *wil = wiphy_to_wil(wiphy); int authorize; int cid, i; - struct vring_tx_data *txdata = NULL; + struct wil_ring_tx_data *txdata = NULL; wil_dbg_misc(wil, "change station %pM mask 0x%x set 0x%x mid %d\n", mac, params->sta_flags_mask, params->sta_flags_set, @@ -1746,20 +1746,20 @@ static int wil_cfg80211_change_station(struct wiphy *wiphy, return -ENOLINK; } - for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) - if (wil->vring2cid_tid[i][0] == cid) { - txdata = &wil->vring_tx_data[i]; + for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) + if (wil->ring2cid_tid[i][0] == cid) { + txdata = &wil->ring_tx_data[i]; break; } if (!txdata) { - wil_err(wil, "vring data not found\n"); + wil_err(wil, "ring data not found\n"); return -ENOLINK; } authorize = params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED); txdata->dot1x_open = authorize ? 1 : 0; - wil_dbg_misc(wil, "cid %d vring %d authorize %d\n", cid, i, + wil_dbg_misc(wil, "cid %d ring %d authorize %d\n", cid, i, txdata->dot1x_open); return 0; diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index ebfdff4d328c..55e03e9b49eb 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -29,7 +29,7 @@ /* Nasty hack. Better have per device instances */ static u32 mem_addr; static u32 dbg_txdesc_index; -static u32 dbg_vring_index; /* 24+ for Rx, 0..23 for Tx */ +static u32 dbg_ring_index; /* 24+ for Rx, 0..23 for Tx */ enum dbg_off_type { doff_u32 = 0, @@ -47,20 +47,20 @@ struct dbg_off { enum dbg_off_type type; }; -static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil, - const char *name, struct vring *vring, - char _s, char _h) +static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil, + const char *name, struct wil_ring *ring, + char _s, char _h) { - void __iomem *x = wmi_addr(wil, vring->hwtail); + void __iomem *x = wmi_addr(wil, ring->hwtail); u32 v; - seq_printf(s, "VRING %s = {\n", name); - seq_printf(s, " pa = %pad\n", &vring->pa); - seq_printf(s, " va = 0x%p\n", vring->va); - seq_printf(s, " size = %d\n", vring->size); - seq_printf(s, " swtail = %d\n", vring->swtail); - seq_printf(s, " swhead = %d\n", vring->swhead); - seq_printf(s, " hwtail = [0x%08x] -> ", vring->hwtail); + seq_printf(s, "RING %s = {\n", name); + seq_printf(s, " pa = %pad\n", &ring->pa); + seq_printf(s, " va = 0x%p\n", ring->va); + seq_printf(s, " size = %d\n", ring->size); + seq_printf(s, " swtail = %d\n", ring->swtail); + seq_printf(s, " swhead = %d\n", ring->swhead); + seq_printf(s, " hwtail = [0x%08x] -> ", ring->hwtail); if (x) { v = readl(x); seq_printf(s, "0x%08x = %d\n", v, v); @@ -68,41 +68,42 @@ static void wil_print_vring(struct seq_file *s, struct wil6210_priv *wil, seq_puts(s, "???\n"); } - if (vring->va && (vring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) { + if (ring->va && (ring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) { uint i; - for (i = 0; i < vring->size; i++) { - volatile struct vring_tx_desc *d = &vring->va[i].tx; + for (i = 0; i < ring->size; i++) { + volatile struct vring_tx_desc *d = + &ring->va[i].tx.legacy; if ((i % 128) == 0 && (i != 0)) seq_puts(s, "\n"); seq_printf(s, "%c", (d->dma.status & BIT(0)) ? - _s : (vring->ctx[i].skb ? _h : 'h')); + _s : (ring->ctx[i].skb ? _h : 'h')); } seq_puts(s, "\n"); } seq_puts(s, "}\n"); } -static int wil_vring_debugfs_show(struct seq_file *s, void *data) +static int wil_ring_debugfs_show(struct seq_file *s, void *data) { uint i; struct wil6210_priv *wil = s->private; - wil_print_vring(s, wil, "rx", &wil->vring_rx, 'S', '_'); + wil_print_ring(s, wil, "rx", &wil->ring_rx, 'S', '_'); - for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) { - struct vring *vring = &wil->vring_tx[i]; - struct vring_tx_data *txdata = &wil->vring_tx_data[i]; + for (i = 0; i < ARRAY_SIZE(wil->ring_tx); i++) { + struct wil_ring *ring = &wil->ring_tx[i]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[i]; - if (vring->va) { - int cid = wil->vring2cid_tid[i][0]; - int tid = wil->vring2cid_tid[i][1]; - u32 swhead = vring->swhead; - u32 swtail = vring->swtail; - int used = (vring->size + swhead - swtail) - % vring->size; - int avail = vring->size - used - 1; + if (ring->va) { + int cid = wil->ring2cid_tid[i][0]; + int tid = wil->ring2cid_tid[i][1]; + u32 swhead = ring->swhead; + u32 swtail = ring->swtail; + int used = (ring->size + swhead - swtail) + % ring->size; + int avail = ring->size - used - 1; char name[10]; char sidle[10]; /* performance monitoring */ @@ -137,20 +138,20 @@ static int wil_vring_debugfs_show(struct seq_file *s, void *data) txdata->dot1x_open ? "+" : "-", used, avail, sidle); - wil_print_vring(s, wil, name, vring, '_', 'H'); + wil_print_ring(s, wil, name, ring, '_', 'H'); } } return 0; } -static int wil_vring_seq_open(struct inode *inode, struct file *file) +static int wil_ring_seq_open(struct inode *inode, struct file *file) { - return single_open(file, wil_vring_debugfs_show, inode->i_private); + return single_open(file, wil_ring_debugfs_show, inode->i_private); } -static const struct file_operations fops_vring = { - .open = wil_vring_seq_open, +static const struct file_operations fops_ring = { + .open = wil_ring_seq_open, .release = single_release, .read = seq_read, .llseek = seq_lseek, @@ -162,8 +163,8 @@ static void wil_seq_hexdump(struct seq_file *s, void *p, int len, seq_hex_dump(s, prefix, DUMP_PREFIX_NONE, 16, 1, p, len, false); } -static void wil_print_ring(struct seq_file *s, const char *prefix, - void __iomem *off) +static void wil_print_mbox_ring(struct seq_file *s, const char *prefix, + void __iomem *off) { struct wil6210_priv *wil = s->private; struct wil6210_mbox_ring r; @@ -249,9 +250,9 @@ static int wil_mbox_debugfs_show(struct seq_file *s, void *data) if (ret < 0) return ret; - wil_print_ring(s, "tx", wil->csr + HOST_MBOX + + wil_print_mbox_ring(s, "tx", wil->csr + HOST_MBOX + offsetof(struct wil6210_mbox_ctl, tx)); - wil_print_ring(s, "rx", wil->csr + HOST_MBOX + + wil_print_mbox_ring(s, "rx", wil->csr + HOST_MBOX + offsetof(struct wil6210_mbox_ctl, rx)); wil_pm_runtime_put(wil); @@ -719,13 +720,13 @@ static ssize_t wil_write_back(struct file *file, const char __user *buf, if ((strcmp(cmd, "add") == 0) || (strcmp(cmd, "del_tx") == 0)) { - struct vring_tx_data *txdata; + struct wil_ring_tx_data *txdata; if (p1 < 0 || p1 >= WIL6210_MAX_TX_RINGS) { wil_err(wil, "BACK: invalid ring id %d\n", p1); return -EINVAL; } - txdata = &wil->vring_tx_data[p1]; + txdata = &wil->ring_tx_data[p1]; if (strcmp(cmd, "add") == 0) { if (rc < 3) { wil_err(wil, "BACK: add require at least 2 params\n"); @@ -972,30 +973,30 @@ static void wil_seq_print_skb(struct seq_file *s, struct sk_buff *skb) static int wil_txdesc_debugfs_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; - struct vring *vring; - bool tx = (dbg_vring_index < WIL6210_MAX_TX_RINGS); + struct wil_ring *ring; + bool tx = (dbg_ring_index < WIL6210_MAX_TX_RINGS); - vring = tx ? &wil->vring_tx[dbg_vring_index] : &wil->vring_rx; + ring = tx ? &wil->ring_tx[dbg_ring_index] : &wil->ring_rx; - if (!vring->va) { + if (!ring->va) { if (tx) - seq_printf(s, "No Tx[%2d] VRING\n", dbg_vring_index); + seq_printf(s, "No Tx[%2d] VRING\n", dbg_ring_index); else seq_puts(s, "No Rx VRING\n"); return 0; } - if (dbg_txdesc_index < vring->size) { + if (dbg_txdesc_index < ring->size) { /* use struct vring_tx_desc for Rx as well, * only field used, .dma.length, is the same */ volatile struct vring_tx_desc *d = - &vring->va[dbg_txdesc_index].tx; + &ring->va[dbg_txdesc_index].tx.legacy; volatile u32 *u = (volatile u32 *)d; - struct sk_buff *skb = vring->ctx[dbg_txdesc_index].skb; + struct sk_buff *skb = ring->ctx[dbg_txdesc_index].skb; if (tx) - seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_vring_index, + seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_ring_index, dbg_txdesc_index); else seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index); @@ -1014,11 +1015,11 @@ static int wil_txdesc_debugfs_show(struct seq_file *s, void *data) } else { if (tx) seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n", - dbg_vring_index, dbg_txdesc_index, - vring->size); + dbg_ring_index, dbg_txdesc_index, + ring->size); else seq_printf(s, "RxDesc index (%d) >= size (%d)\n", - dbg_txdesc_index, vring->size); + dbg_txdesc_index, ring->size); } return 0; @@ -1790,7 +1791,7 @@ static const struct { const struct file_operations *fops; } dbg_files[] = { {"mbox", 0444, &fops_mbox}, - {"vrings", 0444, &fops_vring}, + {"rings", 0444, &fops_ring}, {"stations", 0444, &fops_sta}, {"mids", 0444, &fops_mids}, {"desc", 0444, &fops_txdesc}, @@ -1858,7 +1859,7 @@ static const struct dbg_off dbg_wil_off[] = { WIL_FIELD(chip_revision, 0444, doff_u8), WIL_FIELD(abft_len, 0644, doff_u8), WIL_FIELD(wakeup_trigger, 0644, doff_u8), - WIL_FIELD(vring_idle_trsh, 0644, doff_u32), + WIL_FIELD(ring_idle_trsh, 0644, doff_u32), {}, }; @@ -1872,7 +1873,7 @@ static const struct dbg_off dbg_wil_regs[] = { /* static parameters */ static const struct dbg_off dbg_statics[] = { {"desc_index", 0644, (ulong)&dbg_txdesc_index, doff_u32}, - {"vring_index", 0644, (ulong)&dbg_vring_index, doff_u32}, + {"ring_index", 0644, (ulong)&dbg_ring_index, doff_u32}, {"mem_addr", 0644, (ulong)&mem_addr, doff_u32}, {"led_polarity", 0644, (ulong)&led_polarity, doff_u8}, {}, diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 1282e1a63f92..bfe628481e22 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -219,9 +219,9 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) memset(sta->tid_crypto_rx, 0, sizeof(sta->tid_crypto_rx)); memset(&sta->group_crypto_rx, 0, sizeof(sta->group_crypto_rx)); /* release vrings */ - for (i = 0; i < ARRAY_SIZE(wil->vring_tx); i++) { - if (wil->vring2cid_tid[i][0] == cid) - wil_vring_fini_tx(wil, i); + for (i = 0; i < ARRAY_SIZE(wil->ring_tx); i++) { + if (wil->ring2cid_tid[i][0] == cid) + wil_ring_fini_tx(wil, i); } /* statistics */ memset(&sta->stats, 0, sizeof(sta->stats)); @@ -453,12 +453,12 @@ static void wil_fw_error_worker(struct work_struct *work) mutex_unlock(&wil->mutex); } -static int wil_find_free_vring(struct wil6210_priv *wil) +static int wil_find_free_ring(struct wil6210_priv *wil) { int i; for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { - if (!wil->vring_tx[i].va) + if (!wil->ring_tx[i].va) return i; } return -EINVAL; @@ -473,13 +473,13 @@ int wil_tx_init(struct wil6210_vif *vif, int cid) wil_err(wil, "No connection pending\n"); goto out; } - ringid = wil_find_free_vring(wil); + ringid = wil_find_free_ring(wil); if (ringid < 0) { wil_err(wil, "No free vring found\n"); goto out; } - wil_dbg_wmi(wil, "Configure for connection CID %d MID %d vring %d\n", + wil_dbg_wmi(wil, "Configure for connection CID %d MID %d ring %d\n", cid, vif->mid, ringid); rc = wil_vring_init_tx(vif, ringid, 1 << tx_ring_order, cid, 0); @@ -494,19 +494,19 @@ out: int wil_bcast_init(struct wil6210_vif *vif) { struct wil6210_priv *wil = vif_to_wil(vif); - int ri = vif->bcast_vring, rc; + int ri = vif->bcast_ring, rc; - if ((ri >= 0) && wil->vring_tx[ri].va) + if (ri >= 0 && wil->ring_tx[ri].va) return 0; - ri = wil_find_free_vring(wil); + ri = wil_find_free_ring(wil); if (ri < 0) return ri; - vif->bcast_vring = ri; + vif->bcast_ring = ri; rc = wil_vring_init_bcast(vif, ri, 1 << bcast_ring_order); if (rc) - vif->bcast_vring = -1; + vif->bcast_ring = -1; return rc; } @@ -514,13 +514,13 @@ int wil_bcast_init(struct wil6210_vif *vif) void wil_bcast_fini(struct wil6210_vif *vif) { struct wil6210_priv *wil = vif_to_wil(vif); - int ri = vif->bcast_vring; + int ri = vif->bcast_ring; if (ri < 0) return; - vif->bcast_vring = -1; - wil_vring_fini_tx(wil, ri); + vif->bcast_ring = -1; + wil_ring_fini_tx(wil, ri); } void wil_bcast_fini_all(struct wil6210_priv *wil) @@ -548,7 +548,7 @@ int wil_priv_init(struct wil6210_priv *wil) } for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) - spin_lock_init(&wil->vring_tx_data[i].lock); + spin_lock_init(&wil->ring_tx_data[i].lock); mutex_init(&wil->mutex); mutex_init(&wil->vif_mutex); @@ -589,7 +589,7 @@ int wil_priv_init(struct wil6210_priv *wil) wil->wakeup_trigger = WMI_WAKEUP_TRIGGER_UCAST | WMI_WAKEUP_TRIGGER_BCAST; memset(&wil->suspend_stats, 0, sizeof(wil->suspend_stats)); - wil->vring_idle_trsh = 16; + wil->ring_idle_trsh = 16; wil->reply_mid = U8_MAX; wil->max_vifs = 1; diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c index eb6c14ed65a4..3c6a59fd08df 100644 --- a/drivers/net/wireless/ath/wil6210/netdev.c +++ b/drivers/net/wireless/ath/wil6210/netdev.c @@ -129,11 +129,11 @@ static int wil6210_netdev_poll_tx(struct napi_struct *napi, int budget) /* always process ALL Tx complete, regardless budget - it is fast */ for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { - struct vring *vring = &wil->vring_tx[i]; - struct vring_tx_data *txdata = &wil->vring_tx_data[i]; + struct wil_ring *ring = &wil->ring_tx[i]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[i]; struct wil6210_vif *vif; - if (!vring->va || !txdata->enabled || + if (!ring->va || !txdata->enabled || txdata->mid >= wil->max_vifs) continue; @@ -228,7 +228,7 @@ static void wil_p2p_discovery_timer_fn(struct timer_list *t) static void wil_vif_init(struct wil6210_vif *vif) { - vif->bcast_vring = -1; + vif->bcast_ring = -1; mutex_init(&vif->probe_client_mutex); diff --git a/drivers/net/wireless/ath/wil6210/rx_reorder.c b/drivers/net/wireless/ath/wil6210/rx_reorder.c index 76f8084c1fd8..a586929f72d4 100644 --- a/drivers/net/wireless/ath/wil6210/rx_reorder.c +++ b/drivers/net/wireless/ath/wil6210/rx_reorder.c @@ -384,7 +384,7 @@ int wil_addba_tx_request(struct wil6210_priv *wil, u8 ringid, u16 wsize) { u8 agg_wsize = wil_agg_size(wil, wsize); u16 agg_timeout = 0; - struct vring_tx_data *txdata = &wil->vring_tx_data[ringid]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ringid]; int rc = 0; if (txdata->addba_in_progress) { diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index b9a9fa828961..55946dec5110 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -47,62 +47,28 @@ static inline uint wil_rx_snaplen(void) return rx_align_2 ? 6 : 0; } -static inline int wil_vring_is_empty(struct vring *vring) +/* wil_ring_wmark_low - low watermark for available descriptor space */ +static inline int wil_ring_wmark_low(struct wil_ring *ring) { - return vring->swhead == vring->swtail; + return ring->size / 8; } -static inline u32 wil_vring_next_tail(struct vring *vring) +/* wil_ring_wmark_high - high watermark for available descriptor space */ +static inline int wil_ring_wmark_high(struct wil_ring *ring) { - return (vring->swtail + 1) % vring->size; -} - -static inline void wil_vring_advance_head(struct vring *vring, int n) -{ - vring->swhead = (vring->swhead + n) % vring->size; -} - -static inline int wil_vring_is_full(struct vring *vring) -{ - return wil_vring_next_tail(vring) == vring->swhead; -} - -/* Used space in Tx Vring */ -static inline int wil_vring_used_tx(struct vring *vring) -{ - u32 swhead = vring->swhead; - u32 swtail = vring->swtail; - return (vring->size + swhead - swtail) % vring->size; -} - -/* Available space in Tx Vring */ -static inline int wil_vring_avail_tx(struct vring *vring) -{ - return vring->size - wil_vring_used_tx(vring) - 1; -} - -/* wil_vring_wmark_low - low watermark for available descriptor space */ -static inline int wil_vring_wmark_low(struct vring *vring) -{ - return vring->size/8; -} - -/* wil_vring_wmark_high - high watermark for available descriptor space */ -static inline int wil_vring_wmark_high(struct vring *vring) -{ - return vring->size/4; + return ring->size / 4; } /* returns true if num avail descriptors is lower than wmark_low */ -static inline int wil_vring_avail_low(struct vring *vring) +static inline int wil_ring_avail_low(struct wil_ring *ring) { - return wil_vring_avail_tx(vring) < wil_vring_wmark_low(vring); + return wil_ring_avail_tx(ring) < wil_ring_wmark_low(ring); } /* returns true if num avail descriptors is higher than wmark_high */ -static inline int wil_vring_avail_high(struct vring *vring) +static inline int wil_ring_avail_high(struct wil_ring *ring) { - return wil_vring_avail_tx(vring) > wil_vring_wmark_high(vring); + return wil_ring_avail_tx(ring) > wil_ring_wmark_high(ring); } /* returns true when all tx vrings are empty */ @@ -112,9 +78,10 @@ bool wil_is_tx_idle(struct wil6210_priv *wil) unsigned long data_comp_to; for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { - struct vring *vring = &wil->vring_tx[i]; - int vring_index = vring - wil->vring_tx; - struct vring_tx_data *txdata = &wil->vring_tx_data[vring_index]; + struct wil_ring *vring = &wil->ring_tx[i]; + int vring_index = vring - wil->ring_tx; + struct wil_ring_tx_data *txdata = + &wil->ring_tx_data[vring_index]; spin_lock(&txdata->lock); @@ -126,7 +93,7 @@ bool wil_is_tx_idle(struct wil6210_priv *wil) data_comp_to = jiffies + msecs_to_jiffies( WIL_DATA_COMPLETION_TO_MS); if (test_bit(wil_status_napi_en, wil->status)) { - while (!wil_vring_is_empty(vring)) { + while (!wil_ring_is_empty(vring)) { if (time_after(jiffies, data_comp_to)) { wil_dbg_pm(wil, "TO waiting for idle tx\n"); @@ -156,7 +123,7 @@ static inline bool wil_val_in_range(int val, int min, int max) return val >= min && val < max; } -static int wil_vring_alloc(struct wil6210_priv *wil, struct vring *vring) +static int wil_vring_alloc(struct wil6210_priv *wil, struct wil_ring *vring) { struct device *dev = wil_to_dev(wil); size_t sz = vring->size * sizeof(vring->va[0]); @@ -205,7 +172,8 @@ static int wil_vring_alloc(struct wil6210_priv *wil, struct vring *vring) * we can use any */ for (i = 0; i < vring->size; i++) { - volatile struct vring_tx_desc *_d = &vring->va[i].tx; + volatile struct vring_tx_desc *_d = + &vring->va[i].tx.legacy; _d->dma.status = TX_DMA_STATUS_DU; } @@ -234,7 +202,7 @@ static void wil_txdesc_unmap(struct device *dev, struct vring_tx_desc *d, } } -static void wil_vring_free(struct wil6210_priv *wil, struct vring *vring, +static void wil_vring_free(struct wil6210_priv *wil, struct wil_ring *vring, int tx) { struct device *dev = wil_to_dev(wil); @@ -242,7 +210,7 @@ static void wil_vring_free(struct wil6210_priv *wil, struct vring *vring, lockdep_assert_held(&wil->mutex); if (tx) { - int vring_index = vring - wil->vring_tx; + int vring_index = vring - wil->ring_tx; wil_dbg_misc(wil, "free Tx vring %d [%d] 0x%p:%pad 0x%p\n", vring_index, vring->size, vring->va, @@ -253,7 +221,7 @@ static void wil_vring_free(struct wil6210_priv *wil, struct vring *vring, &vring->pa, vring->ctx); } - while (!wil_vring_is_empty(vring)) { + while (!wil_ring_is_empty(vring)) { dma_addr_t pa; u16 dmalen; struct wil_ctx *ctx; @@ -261,25 +229,25 @@ static void wil_vring_free(struct wil6210_priv *wil, struct vring *vring, if (tx) { struct vring_tx_desc dd, *d = ⅆ volatile struct vring_tx_desc *_d = - &vring->va[vring->swtail].tx; + &vring->va[vring->swtail].tx.legacy; ctx = &vring->ctx[vring->swtail]; if (!ctx) { wil_dbg_txrx(wil, "ctx(%d) was already completed\n", vring->swtail); - vring->swtail = wil_vring_next_tail(vring); + vring->swtail = wil_ring_next_tail(vring); continue; } *d = *_d; wil_txdesc_unmap(dev, d, ctx); if (ctx->skb) dev_kfree_skb_any(ctx->skb); - vring->swtail = wil_vring_next_tail(vring); + vring->swtail = wil_ring_next_tail(vring); } else { /* rx */ struct vring_rx_desc dd, *d = ⅆ volatile struct vring_rx_desc *_d = - &vring->va[vring->swhead].rx; + &vring->va[vring->swhead].rx.legacy; ctx = &vring->ctx[vring->swhead]; *d = *_d; @@ -287,7 +255,7 @@ static void wil_vring_free(struct wil6210_priv *wil, struct vring *vring, dmalen = le16_to_cpu(d->dma.length); dma_unmap_single(dev, pa, dmalen, DMA_FROM_DEVICE); kfree_skb(ctx->skb); - wil_vring_advance_head(vring, 1); + wil_ring_advance_head(vring, 1); } } dma_free_coherent(dev, sz, (void *)vring->va, vring->pa); @@ -302,13 +270,13 @@ static void wil_vring_free(struct wil6210_priv *wil, struct vring *vring, * * Safe to call from IRQ */ -static int wil_vring_alloc_skb(struct wil6210_priv *wil, struct vring *vring, +static int wil_vring_alloc_skb(struct wil6210_priv *wil, struct wil_ring *vring, u32 i, int headroom) { struct device *dev = wil_to_dev(wil); unsigned int sz = wil->rx_buf_len + ETH_HLEN + wil_rx_snaplen(); struct vring_rx_desc dd, *d = ⅆ - volatile struct vring_rx_desc *_d = &vring->va[i].rx; + volatile struct vring_rx_desc *_d = &vring->va[i].rx.legacy; dma_addr_t pa; struct sk_buff *skb = dev_alloc_skb(sz + headroom); @@ -455,9 +423,9 @@ static inline int wil_is_back_req(u8 fc) bool wil_is_rx_idle(struct wil6210_priv *wil) { struct vring_rx_desc *_d; - struct vring *vring = &wil->vring_rx; + struct wil_ring *ring = &wil->ring_rx; - _d = (struct vring_rx_desc *)&vring->va[vring->swhead].rx; + _d = (struct vring_rx_desc *)&ring->va[ring->swhead].rx.legacy; if (_d->dma.status & RX_DMA_STATUS_DU) return false; @@ -472,7 +440,7 @@ bool wil_is_rx_idle(struct wil6210_priv *wil) * Safe to call from IRQ */ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, - struct vring *vring) + struct wil_ring *vring) { struct device *dev = wil_to_dev(wil); struct wil6210_vif *vif; @@ -492,11 +460,11 @@ static struct sk_buff *wil_vring_reap_rx(struct wil6210_priv *wil, BUILD_BUG_ON(sizeof(struct vring_rx_desc) > sizeof(skb->cb)); again: - if (unlikely(wil_vring_is_empty(vring))) + if (unlikely(wil_ring_is_empty(vring))) return NULL; i = (int)vring->swhead; - _d = &vring->va[i].rx; + _d = &vring->va[i].rx.legacy; if (unlikely(!(_d->dma.status & RX_DMA_STATUS_DU))) { /* it is not error, we just reached end of Rx done area */ return NULL; @@ -504,7 +472,7 @@ again: skb = vring->ctx[i].skb; vring->ctx[i].skb = NULL; - wil_vring_advance_head(vring, 1); + wil_ring_advance_head(vring, 1); if (!skb) { wil_err(wil, "No Rx skb at [%d]\n", i); goto again; @@ -641,15 +609,15 @@ again: static int wil_rx_refill(struct wil6210_priv *wil, int count) { struct net_device *ndev = wil->main_ndev; - struct vring *v = &wil->vring_rx; + struct wil_ring *v = &wil->ring_rx; u32 next_tail; int rc = 0; int headroom = ndev->type == ARPHRD_IEEE80211_RADIOTAP ? WIL6210_RTAP_SIZE : 0; - for (; next_tail = wil_vring_next_tail(v), - (next_tail != v->swhead) && (count-- > 0); - v->swtail = next_tail) { + for (; next_tail = wil_ring_next_tail(v), + (next_tail != v->swhead) && (count-- > 0); + v->swtail = next_tail) { rc = wil_vring_alloc_skb(wil, v, v->swtail, headroom); if (unlikely(rc)) { wil_err_ratelimited(wil, "Error %d in rx refill[%d]\n", @@ -835,7 +803,7 @@ void wil_rx_handle(struct wil6210_priv *wil, int *quota) { struct net_device *ndev = wil->main_ndev; struct wireless_dev *wdev = ndev->ieee80211_ptr; - struct vring *v = &wil->vring_rx; + struct wil_ring *v = &wil->ring_rx; struct sk_buff *skb; if (unlikely(!v->va)) { @@ -877,7 +845,7 @@ static void wil_rx_buf_len_init(struct wil6210_priv *wil) int wil_rx_init(struct wil6210_priv *wil, u16 size) { - struct vring *vring = &wil->vring_rx; + struct wil_ring *vring = &wil->ring_rx; int rc; wil_dbg_misc(wil, "rx_init\n"); @@ -911,7 +879,7 @@ int wil_rx_init(struct wil6210_priv *wil, u16 size) void wil_rx_fini(struct wil6210_priv *wil) { - struct vring *vring = &wil->vring_rx; + struct wil_ring *vring = &wil->ring_rx; wil_dbg_misc(wil, "rx_fini\n"); @@ -919,7 +887,7 @@ void wil_rx_fini(struct wil6210_priv *wil) wil_vring_free(wil, vring, 0); } -static inline void wil_tx_data_init(struct vring_tx_data *txdata) +static inline void wil_tx_data_init(struct wil_ring_tx_data *txdata) { spin_lock_bh(&txdata->lock); txdata->dot1x_open = 0; @@ -966,8 +934,8 @@ int wil_vring_init_tx(struct wil6210_vif *vif, int id, int size, } __packed reply = { .cmd = {.status = WMI_FW_STATUS_FAILURE}, }; - struct vring *vring = &wil->vring_tx[id]; - struct vring_tx_data *txdata = &wil->vring_tx_data[id]; + struct wil_ring *vring = &wil->ring_tx[id]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[id]; wil_dbg_misc(wil, "vring_init_tx: max_mpdu_size %d\n", cmd.vring_cfg.tx_sw_ring.max_mpdu_size); @@ -985,8 +953,8 @@ int wil_vring_init_tx(struct wil6210_vif *vif, int id, int size, if (rc) goto out; - wil->vring2cid_tid[id][0] = cid; - wil->vring2cid_tid[id][1] = tid; + wil->ring2cid_tid[id][0] = cid; + wil->ring2cid_tid[id][1] = tid; cmd.vring_cfg.tx_sw_ring.ring_mem_base = cpu_to_le64(vring->pa); @@ -1020,8 +988,8 @@ int wil_vring_init_tx(struct wil6210_vif *vif, int id, int size, txdata->enabled = 0; spin_unlock_bh(&txdata->lock); wil_vring_free(wil, vring, 1); - wil->vring2cid_tid[id][0] = WIL6210_MAX_CID; - wil->vring2cid_tid[id][1] = 0; + wil->ring2cid_tid[id][0] = WIL6210_MAX_CID; + wil->ring2cid_tid[id][1] = 0; out: @@ -1050,8 +1018,8 @@ int wil_vring_init_bcast(struct wil6210_vif *vif, int id, int size) } __packed reply = { .cmd = {.status = WMI_FW_STATUS_FAILURE}, }; - struct vring *vring = &wil->vring_tx[id]; - struct vring_tx_data *txdata = &wil->vring_tx_data[id]; + struct wil_ring *vring = &wil->ring_tx[id]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[id]; wil_dbg_misc(wil, "vring_init_bcast: max_mpdu_size %d\n", cmd.vring_cfg.tx_sw_ring.max_mpdu_size); @@ -1069,8 +1037,8 @@ int wil_vring_init_bcast(struct wil6210_vif *vif, int id, int size) if (rc) goto out; - wil->vring2cid_tid[id][0] = WIL6210_MAX_CID; /* CID */ - wil->vring2cid_tid[id][1] = 0; /* TID */ + wil->ring2cid_tid[id][0] = WIL6210_MAX_CID; /* CID */ + wil->ring2cid_tid[id][1] = 0; /* TID */ cmd.vring_cfg.tx_sw_ring.ring_mem_base = cpu_to_le64(vring->pa); @@ -1107,10 +1075,10 @@ int wil_vring_init_bcast(struct wil6210_vif *vif, int id, int size) return rc; } -void wil_vring_fini_tx(struct wil6210_priv *wil, int id) +void wil_ring_fini_tx(struct wil6210_priv *wil, int id) { - struct vring *vring = &wil->vring_tx[id]; - struct vring_tx_data *txdata = &wil->vring_tx_data[id]; + struct wil_ring *vring = &wil->ring_tx[id]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[id]; lockdep_assert_held(&wil->mutex); @@ -1138,9 +1106,9 @@ void wil_vring_fini_tx(struct wil6210_priv *wil, int id) wil_vring_free(wil, vring, 1); } -static struct vring *wil_find_tx_ucast(struct wil6210_priv *wil, - struct wil6210_vif *vif, - struct sk_buff *skb) +static struct wil_ring *wil_find_tx_ucast(struct wil6210_priv *wil, + struct wil6210_vif *vif, + struct sk_buff *skb) { int i; struct ethhdr *eth = (void *)skb->data; @@ -1150,13 +1118,13 @@ static struct vring *wil_find_tx_ucast(struct wil6210_priv *wil, return NULL; /* TODO: fix for multiple TID */ - for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) { - if (!wil->vring_tx_data[i].dot1x_open && - (skb->protocol != cpu_to_be16(ETH_P_PAE))) + for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) { + if (!wil->ring_tx_data[i].dot1x_open && + skb->protocol != cpu_to_be16(ETH_P_PAE)) continue; - if (wil->vring2cid_tid[i][0] == cid) { - struct vring *v = &wil->vring_tx[i]; - struct vring_tx_data *txdata = &wil->vring_tx_data[i]; + if (wil->ring2cid_tid[i][0] == cid) { + struct wil_ring *v = &wil->ring_tx[i]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[i]; wil_dbg_txrx(wil, "find_tx_ucast: (%pM) -> [%d]\n", eth->h_dest, i); @@ -1175,41 +1143,41 @@ static struct vring *wil_find_tx_ucast(struct wil6210_priv *wil, } static int wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct vring *vring, struct sk_buff *skb); + struct wil_ring *vring, struct sk_buff *skb); -static struct vring *wil_find_tx_vring_sta(struct wil6210_priv *wil, - struct wil6210_vif *vif, - struct sk_buff *skb) +static struct wil_ring *wil_find_tx_ring_sta(struct wil6210_priv *wil, + struct wil6210_vif *vif, + struct sk_buff *skb) { - struct vring *v; + struct wil_ring *ring; int i; u8 cid; - struct vring_tx_data *txdata; + struct wil_ring_tx_data *txdata; /* In the STA mode, it is expected to have only 1 VRING * for the AP we connected to. * find 1-st vring eligible for this skb and use it. */ for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { - v = &wil->vring_tx[i]; - txdata = &wil->vring_tx_data[i]; - if (!v->va || !txdata->enabled || txdata->mid != vif->mid) + ring = &wil->ring_tx[i]; + txdata = &wil->ring_tx_data[i]; + if (!ring->va || !txdata->enabled || txdata->mid != vif->mid) continue; - cid = wil->vring2cid_tid[i][0]; + cid = wil->ring2cid_tid[i][0]; if (cid >= WIL6210_MAX_CID) /* skip BCAST */ continue; - if (!wil->vring_tx_data[i].dot1x_open && - (skb->protocol != cpu_to_be16(ETH_P_PAE))) + if (!wil->ring_tx_data[i].dot1x_open && + skb->protocol != cpu_to_be16(ETH_P_PAE)) continue; wil_dbg_txrx(wil, "Tx -> ring %d\n", i); - return v; + return ring; } - wil_dbg_txrx(wil, "Tx while no vrings active?\n"); + wil_dbg_txrx(wil, "Tx while no rings active?\n"); return NULL; } @@ -1225,22 +1193,22 @@ static struct vring *wil_find_tx_vring_sta(struct wil6210_priv *wil, * Use old strategy when new is not supported yet: * - for PBSS */ -static struct vring *wil_find_tx_bcast_1(struct wil6210_priv *wil, - struct wil6210_vif *vif, - struct sk_buff *skb) +static struct wil_ring *wil_find_tx_bcast_1(struct wil6210_priv *wil, + struct wil6210_vif *vif, + struct sk_buff *skb) { - struct vring *v; - struct vring_tx_data *txdata; - int i = vif->bcast_vring; + struct wil_ring *v; + struct wil_ring_tx_data *txdata; + int i = vif->bcast_ring; if (i < 0) return NULL; - v = &wil->vring_tx[i]; - txdata = &wil->vring_tx_data[i]; + v = &wil->ring_tx[i]; + txdata = &wil->ring_tx_data[i]; if (!v->va || !txdata->enabled) return NULL; - if (!wil->vring_tx_data[i].dot1x_open && - (skb->protocol != cpu_to_be16(ETH_P_PAE))) + if (!wil->ring_tx_data[i].dot1x_open && + skb->protocol != cpu_to_be16(ETH_P_PAE)) return NULL; return v; @@ -1250,35 +1218,35 @@ static void wil_set_da_for_vring(struct wil6210_priv *wil, struct sk_buff *skb, int vring_index) { struct ethhdr *eth = (void *)skb->data; - int cid = wil->vring2cid_tid[vring_index][0]; + int cid = wil->ring2cid_tid[vring_index][0]; ether_addr_copy(eth->h_dest, wil->sta[cid].addr); } -static struct vring *wil_find_tx_bcast_2(struct wil6210_priv *wil, - struct wil6210_vif *vif, - struct sk_buff *skb) +static struct wil_ring *wil_find_tx_bcast_2(struct wil6210_priv *wil, + struct wil6210_vif *vif, + struct sk_buff *skb) { - struct vring *v, *v2; + struct wil_ring *v, *v2; struct sk_buff *skb2; int i; u8 cid; struct ethhdr *eth = (void *)skb->data; char *src = eth->h_source; - struct vring_tx_data *txdata, *txdata2; + struct wil_ring_tx_data *txdata, *txdata2; /* find 1-st vring eligible for data */ for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { - v = &wil->vring_tx[i]; - txdata = &wil->vring_tx_data[i]; + v = &wil->ring_tx[i]; + txdata = &wil->ring_tx_data[i]; if (!v->va || !txdata->enabled || txdata->mid != vif->mid) continue; - cid = wil->vring2cid_tid[i][0]; + cid = wil->ring2cid_tid[i][0]; if (cid >= WIL6210_MAX_CID) /* skip BCAST */ continue; - if (!wil->vring_tx_data[i].dot1x_open && - (skb->protocol != cpu_to_be16(ETH_P_PAE))) + if (!wil->ring_tx_data[i].dot1x_open && + skb->protocol != cpu_to_be16(ETH_P_PAE)) continue; /* don't Tx back to source when re-routing Rx->Tx at the AP */ @@ -1298,15 +1266,15 @@ found: /* find other active vrings and duplicate skb for each */ for (i++; i < WIL6210_MAX_TX_RINGS; i++) { - v2 = &wil->vring_tx[i]; - txdata2 = &wil->vring_tx_data[i]; + v2 = &wil->ring_tx[i]; + txdata2 = &wil->ring_tx_data[i]; if (!v2->va || txdata2->mid != vif->mid) continue; - cid = wil->vring2cid_tid[i][0]; + cid = wil->ring2cid_tid[i][0]; if (cid >= WIL6210_MAX_CID) /* skip BCAST */ continue; - if (!wil->vring_tx_data[i].dot1x_open && - (skb->protocol != cpu_to_be16(ETH_P_PAE))) + if (!wil->ring_tx_data[i].dot1x_open && + skb->protocol != cpu_to_be16(ETH_P_PAE)) continue; if (0 == memcmp(wil->sta[cid].addr, src, ETH_ALEN)) @@ -1454,7 +1422,7 @@ static inline void wil_set_tx_desc_last_tso(volatile struct vring_tx_desc *d) } static int __wil_tx_vring_tso(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct vring *vring, struct sk_buff *skb) + struct wil_ring *vring, struct sk_buff *skb) { struct device *dev = wil_to_dev(wil); @@ -1474,13 +1442,13 @@ static int __wil_tx_vring_tso(struct wil6210_priv *wil, struct wil6210_vif *vif, int sg_desc_cnt = 0; /* number of descriptors for current mss*/ u32 swhead = vring->swhead; - int used, avail = wil_vring_avail_tx(vring); + int used, avail = wil_ring_avail_tx(vring); int nr_frags = skb_shinfo(skb)->nr_frags; int min_desc_required = nr_frags + 1; int mss = skb_shinfo(skb)->gso_size; /* payload size w/o headers */ int f, len, hdrlen, headlen; - int vring_index = vring - wil->vring_tx; - struct vring_tx_data *txdata = &wil->vring_tx_data[vring_index]; + int vring_index = vring - wil->ring_tx; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[vring_index]; uint i = swhead; dma_addr_t pa; const skb_frag_t *frag = NULL; @@ -1548,7 +1516,7 @@ static int __wil_tx_vring_tso(struct wil6210_priv *wil, struct wil6210_vif *vif, tcp_hdr_len = tcp_hdrlen(skb); skb_net_hdr_len = skb_network_header_len(skb); - _hdr_desc = &vring->va[i].tx; + _hdr_desc = &vring->va[i].tx.legacy; pa = dma_map_single(dev, skb->data, hdrlen, DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, pa))) { @@ -1613,7 +1581,7 @@ static int __wil_tx_vring_tso(struct wil6210_priv *wil, struct wil6210_vif *vif, goto mem_error; } - _desc = &vring->va[i].tx; + _desc = &vring->va[i].tx.legacy; if (!_first_desc) { _first_desc = _desc; @@ -1701,8 +1669,8 @@ static int __wil_tx_vring_tso(struct wil6210_priv *wil, struct wil6210_vif *vif, vring->ctx[i].skb = skb_get(skb); /* performance monitoring */ - used = wil_vring_used_tx(vring); - if (wil_val_in_range(wil->vring_idle_trsh, + used = wil_ring_used_tx(vring); + if (wil_val_in_range(wil->ring_idle_trsh, used, used + descs_used)) { txdata->idle += get_cycles() - txdata->last_idle; wil_dbg_txrx(wil, "Ring[%2d] not idle %d -> %d\n", @@ -1717,7 +1685,7 @@ static int __wil_tx_vring_tso(struct wil6210_priv *wil, struct wil6210_vif *vif, wmb(); /* advance swhead */ - wil_vring_advance_head(vring, descs_used); + wil_ring_advance_head(vring, descs_used); wil_dbg_txrx(wil, "TSO: Tx swhead %d -> %d\n", swhead, vring->swhead); /* make sure all writes to descriptors (shared memory) are done before @@ -1733,8 +1701,8 @@ mem_error: struct wil_ctx *ctx; i = (swhead + descs_used - 1) % vring->size; - d = (struct vring_tx_desc *)&vring->va[i].tx; - _desc = &vring->va[i].tx; + d = (struct vring_tx_desc *)&vring->va[i].tx.legacy; + _desc = &vring->va[i].tx.legacy; *d = *_desc; _desc->dma.status = TX_DMA_STATUS_DU; ctx = &vring->ctx[i]; @@ -1747,25 +1715,25 @@ err_exit: } static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct vring *vring, struct sk_buff *skb) + struct wil_ring *vring, struct sk_buff *skb) { struct device *dev = wil_to_dev(wil); struct vring_tx_desc dd, *d = ⅆ volatile struct vring_tx_desc *_d; u32 swhead = vring->swhead; - int avail = wil_vring_avail_tx(vring); + int avail = wil_ring_avail_tx(vring); int nr_frags = skb_shinfo(skb)->nr_frags; uint f = 0; - int vring_index = vring - wil->vring_tx; - struct vring_tx_data *txdata = &wil->vring_tx_data[vring_index]; + int vring_index = vring - wil->ring_tx; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[vring_index]; uint i = swhead; dma_addr_t pa; int used; - bool mcast = (vring_index == vif->bcast_vring); + bool mcast = (vring_index == vif->bcast_ring); uint len = skb_headlen(skb); - wil_dbg_txrx(wil, "tx_vring: %d bytes to vring %d\n", skb->len, - vring_index); + wil_dbg_txrx(wil, "tx_ring: %d bytes to ring %d, nr_frags %d\n", + skb->len, vring_index, nr_frags); if (unlikely(!txdata->enabled)) return -EINVAL; @@ -1776,7 +1744,7 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, vring_index, 1 + nr_frags); return -ENOMEM; } - _d = &vring->va[i].tx; + _d = &vring->va[i].tx.legacy; pa = dma_map_single(dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE); @@ -1816,7 +1784,7 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, wil_hex_dump_txrx("TxD ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); i = (swhead + f + 1) % vring->size; - _d = &vring->va[i].tx; + _d = &vring->va[i].tx.legacy; pa = skb_frag_dma_map(dev, frag, 0, skb_frag_size(frag), DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, pa))) { @@ -1848,8 +1816,8 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, vring->ctx[i].skb = skb_get(skb); /* performance monitoring */ - used = wil_vring_used_tx(vring); - if (wil_val_in_range(wil->vring_idle_trsh, + used = wil_ring_used_tx(vring); + if (wil_val_in_range(wil->ring_idle_trsh, used, used + nr_frags + 1)) { txdata->idle += get_cycles() - txdata->last_idle; wil_dbg_txrx(wil, "Ring[%2d] not idle %d -> %d\n", @@ -1864,7 +1832,7 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, wmb(); /* advance swhead */ - wil_vring_advance_head(vring, nr_frags + 1); + wil_ring_advance_head(vring, nr_frags + 1); wil_dbg_txrx(wil, "Tx[%2d] swhead %d -> %d\n", vring_index, swhead, vring->swhead); trace_wil6210_tx(vring_index, swhead, skb->len, nr_frags); @@ -1885,7 +1853,7 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, i = (swhead + f) % vring->size; ctx = &vring->ctx[i]; - _d = &vring->va[i].tx; + _d = &vring->va[i].tx.legacy; *d = *_d; _d->dma.status = TX_DMA_STATUS_DU; wil_txdesc_unmap(dev, d, ctx); @@ -1897,10 +1865,10 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, } static int wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct vring *vring, struct sk_buff *skb) + struct wil_ring *vring, struct sk_buff *skb) { - int vring_index = vring - wil->vring_tx; - struct vring_tx_data *txdata = &wil->vring_tx_data[vring_index]; + int ring_index = vring - wil->ring_tx; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_index]; int rc; spin_lock(&txdata->lock); @@ -1941,7 +1909,7 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, */ static inline void __wil_update_net_queues(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct vring *vring, + struct wil_ring *ring, bool check_stop) { int i; @@ -1949,9 +1917,9 @@ static inline void __wil_update_net_queues(struct wil6210_priv *wil, if (unlikely(!vif)) return; - if (vring) + if (ring) wil_dbg_txrx(wil, "vring %d, mid %d, check_stop=%d, stopped=%d", - (int)(vring - wil->vring_tx), vif->mid, check_stop, + (int)(ring - wil->ring_tx), vif->mid, check_stop, vif->net_queue_stopped); else wil_dbg_txrx(wil, "check_stop=%d, mid=%d, stopped=%d", @@ -1962,7 +1930,7 @@ static inline void __wil_update_net_queues(struct wil6210_priv *wil, return; if (check_stop) { - if (!vring || unlikely(wil_vring_avail_low(vring))) { + if (!ring || unlikely(wil_ring_avail_low(ring))) { /* not enough room in the vring */ netif_tx_stop_all_queues(vif_to_ndev(vif)); vif->net_queue_stopped = true; @@ -1978,22 +1946,22 @@ static inline void __wil_update_net_queues(struct wil6210_priv *wil, /* check wake */ for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { - struct vring *cur_vring = &wil->vring_tx[i]; - struct vring_tx_data *txdata = &wil->vring_tx_data[i]; + struct wil_ring *cur_ring = &wil->ring_tx[i]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[i]; - if (txdata->mid != vif->mid || !cur_vring->va || - !txdata->enabled || cur_vring == vring) + if (txdata->mid != vif->mid || !cur_ring->va || + !txdata->enabled || cur_ring == ring) continue; - if (wil_vring_avail_low(cur_vring)) { - wil_dbg_txrx(wil, "vring %d full, can't wake\n", - (int)(cur_vring - wil->vring_tx)); + if (wil_ring_avail_low(cur_ring)) { + wil_dbg_txrx(wil, "ring %d full, can't wake\n", + (int)(cur_ring - wil->ring_tx)); return; } } - if (!vring || wil_vring_avail_high(vring)) { - /* enough room in the vring */ + if (!ring || wil_ring_avail_high(ring)) { + /* enough room in the ring */ wil_dbg_txrx(wil, "calling netif_tx_wake\n"); netif_tx_wake_all_queues(vif_to_ndev(vif)); vif->net_queue_stopped = false; @@ -2001,18 +1969,18 @@ static inline void __wil_update_net_queues(struct wil6210_priv *wil, } void wil_update_net_queues(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct vring *vring, bool check_stop) + struct wil_ring *ring, bool check_stop) { spin_lock(&wil->net_queue_lock); - __wil_update_net_queues(wil, vif, vring, check_stop); + __wil_update_net_queues(wil, vif, ring, check_stop); spin_unlock(&wil->net_queue_lock); } void wil_update_net_queues_bh(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct vring *vring, bool check_stop) + struct wil_ring *ring, bool check_stop) { spin_lock_bh(&wil->net_queue_lock); - __wil_update_net_queues(wil, vif, vring, check_stop); + __wil_update_net_queues(wil, vif, ring, check_stop); spin_unlock_bh(&wil->net_queue_lock); } @@ -2022,7 +1990,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) struct wil6210_priv *wil = vif_to_wil(vif); struct ethhdr *eth = (void *)skb->data; bool bcast = is_multicast_ether_addr(eth->h_dest); - struct vring *vring; + struct wil_ring *vring; static bool pr_once_fw; int rc; @@ -2048,7 +2016,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) /* find vring */ if (vif->wdev.iftype == NL80211_IFTYPE_STATION && !vif->pbss) { /* in STA mode (ESS), all to same VRING (to AP) */ - vring = wil_find_tx_vring_sta(wil, vif, skb); + vring = wil_find_tx_ring_sta(wil, vif, skb); } else if (bcast) { if (vif->pbss) /* in pbss, no bcast VRING - duplicate skb in @@ -2068,7 +2036,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) vring = wil_find_tx_ucast(wil, vif, skb); } if (unlikely(!vring)) { - wil_dbg_txrx(wil, "No Tx VRING found for %pM\n", eth->h_dest); + wil_dbg_txrx(wil, "No Tx RING found for %pM\n", eth->h_dest); goto drop; } /* set up vring entry */ @@ -2121,10 +2089,10 @@ int wil_tx_complete(struct wil6210_vif *vif, int ringid) struct wil6210_priv *wil = vif_to_wil(vif); struct net_device *ndev = vif_to_ndev(vif); struct device *dev = wil_to_dev(wil); - struct vring *vring = &wil->vring_tx[ringid]; - struct vring_tx_data *txdata = &wil->vring_tx_data[ringid]; + struct wil_ring *vring = &wil->ring_tx[ringid]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ringid]; int done = 0; - int cid = wil->vring2cid_tid[ringid][0]; + int cid = wil->ring2cid_tid[ringid][0]; struct wil_net_stats *stats = NULL; volatile struct vring_tx_desc *_d; int used_before_complete; @@ -2142,12 +2110,12 @@ int wil_tx_complete(struct wil6210_vif *vif, int ringid) wil_dbg_txrx(wil, "tx_complete: (%d)\n", ringid); - used_before_complete = wil_vring_used_tx(vring); + used_before_complete = wil_ring_used_tx(vring); if (cid < WIL6210_MAX_CID) stats = &wil->sta[cid].stats; - while (!wil_vring_is_empty(vring)) { + while (!wil_ring_is_empty(vring)) { int new_swtail; struct wil_ctx *ctx = &vring->ctx[vring->swtail]; /** @@ -2158,7 +2126,7 @@ int wil_tx_complete(struct wil6210_vif *vif, int ringid) int lf = (vring->swtail + ctx->nr_frags) % vring->size; /* TODO: check we are not past head */ - _d = &vring->va[lf].tx; + _d = &vring->va[lf].tx.legacy; if (unlikely(!(_d->dma.status & TX_DMA_STATUS_DU))) break; @@ -2170,7 +2138,7 @@ int wil_tx_complete(struct wil6210_vif *vif, int ringid) ctx = &vring->ctx[vring->swtail]; skb = ctx->skb; - _d = &vring->va[vring->swtail].tx; + _d = &vring->va[vring->swtail].tx.legacy; *d = *_d; @@ -2203,7 +2171,7 @@ int wil_tx_complete(struct wil6210_vif *vif, int ringid) } memset(ctx, 0, sizeof(*ctx)); /* Make sure the ctx is zeroed before updating the tail - * to prevent a case where wil_tx_vring will see + * to prevent a case where wil_tx_ring will see * this descriptor as used and handle it before ctx zero * is completed. */ @@ -2213,14 +2181,14 @@ int wil_tx_complete(struct wil6210_vif *vif, int ringid) * so hardware will not try to process this desc., * - rest of descriptor will be initialized on Tx. */ - vring->swtail = wil_vring_next_tail(vring); + vring->swtail = wil_ring_next_tail(vring); done++; } } /* performance monitoring */ - used_new = wil_vring_used_tx(vring); - if (wil_val_in_range(wil->vring_idle_trsh, + used_new = wil_ring_used_tx(vring); + if (wil_val_in_range(wil->ring_idle_trsh, used_new, used_before_complete)) { wil_dbg_txrx(wil, "Ring[%2d] idle %d -> %d\n", ringid, used_before_complete, used_new); diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h index 5f07717acc2c..66217f815726 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.h +++ b/drivers/net/wireless/ath/wil6210/txrx.h @@ -18,6 +18,9 @@ #ifndef WIL6210_TXRX_H #define WIL6210_TXRX_H +#include "wil6210.h" +#include "txrx_edma.h" + #define BUF_SW_OWNED (1) #define BUF_HW_OWNED (0) @@ -29,19 +32,13 @@ /* Tx/Rx path */ -/* Common representation of physical address in Vring */ -struct vring_dma_addr { - __le32 addr_low; - __le16 addr_high; -} __packed; - -static inline dma_addr_t wil_desc_addr(struct vring_dma_addr *addr) +static inline dma_addr_t wil_desc_addr(struct wil_ring_dma_addr *addr) { return le32_to_cpu(addr->addr_low) | ((u64)le16_to_cpu(addr->addr_high) << 32); } -static inline void wil_desc_addr_set(struct vring_dma_addr *addr, +static inline void wil_desc_addr_set(struct wil_ring_dma_addr *addr, dma_addr_t pa) { addr->addr_low = cpu_to_le32(lower_32_bits(pa)); @@ -294,7 +291,7 @@ struct vring_tx_mac { */ struct vring_tx_dma { u32 d0; - struct vring_dma_addr addr; + struct wil_ring_dma_addr addr; u8 ip_length; u8 b11; /* 0..6: mac_length; 7:ip_version */ u8 error; /* 0..2: err; 3..7: reserved; */ @@ -428,7 +425,7 @@ struct vring_rx_mac { struct vring_rx_dma { u32 d0; - struct vring_dma_addr addr; + struct wil_ring_dma_addr addr; u8 ip_length; u8 b11; u8 error; @@ -441,14 +438,24 @@ struct vring_tx_desc { struct vring_tx_dma dma; } __packed; +union wil_tx_desc { + struct vring_tx_desc legacy; + struct wil_tx_enhanced_desc enhanced; +} __packed; + struct vring_rx_desc { struct vring_rx_mac mac; struct vring_rx_dma dma; } __packed; -union vring_desc { - struct vring_tx_desc tx; - struct vring_rx_desc rx; +union wil_rx_desc { + struct vring_rx_desc legacy; + struct wil_rx_enhanced_desc enhanced; +} __packed; + +union wil_ring_desc { + union wil_tx_desc tx; + union wil_rx_desc rx; } __packed; static inline int wil_rxdesc_tid(struct vring_rx_desc *d) @@ -528,6 +535,41 @@ static inline struct vring_rx_desc *wil_skb_rxdesc(struct sk_buff *skb) return (void *)skb->cb; } +static inline int wil_ring_is_empty(struct wil_ring *ring) +{ + return ring->swhead == ring->swtail; +} + +static inline u32 wil_ring_next_tail(struct wil_ring *ring) +{ + return (ring->swtail + 1) % ring->size; +} + +static inline void wil_ring_advance_head(struct wil_ring *ring, int n) +{ + ring->swhead = (ring->swhead + n) % ring->size; +} + +static inline int wil_ring_is_full(struct wil_ring *ring) +{ + return wil_ring_next_tail(ring) == ring->swhead; +} + +/* Used space in Tx ring */ +static inline int wil_ring_used_tx(struct wil_ring *ring) +{ + u32 swhead = ring->swhead; + u32 swtail = ring->swtail; + + return (ring->size + swhead - swtail) % ring->size; +} + +/* Available space in Tx ring */ +static inline int wil_ring_avail_tx(struct wil_ring *ring) +{ + return ring->size - wil_ring_used_tx(ring) - 1; +} + void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev); void wil_rx_reorder(struct wil6210_priv *wil, struct sk_buff *skb); void wil_rx_bar(struct wil6210_priv *wil, struct wil6210_vif *vif, diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.h b/drivers/net/wireless/ath/wil6210/txrx_edma.h new file mode 100644 index 000000000000..14e0b6ce6dc4 --- /dev/null +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.h @@ -0,0 +1,290 @@ +/* + * Copyright (c) 2012-2016,2018, The Linux Foundation. All rights reserved. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef WIL6210_TXRX_EDMA_H +#define WIL6210_TXRX_EDMA_H + +#include "wil6210.h" + +/* Enhanced Rx descriptor - MAC part + * [dword 0] : Reserved + * [dword 1] : Reserved + * [dword 2] : Reserved + * [dword 3] + * bit 0..15 : Buffer ID + * bit 16..31 : Reserved + */ +struct wil_ring_rx_enhanced_mac { + u32 d[3]; + __le16 buff_id; + u16 reserved; +} __packed; + +/* Enhanced Rx descriptor - DMA part + * [dword 0] - Reserved + * [dword 1] + * bit 0..31 : addr_low:32 The payload buffer address, bits 0-31 + * [dword 2] + * bit 0..15 : addr_high_low:16 The payload buffer address, bits 32-47 + * bit 16..31 : Reserved + * [dword 3] + * bit 0..15 : addr_high_high:16 The payload buffer address, bits 48-63 + * bit 16..31 : length + */ +struct wil_ring_rx_enhanced_dma { + u32 d0; + struct wil_ring_dma_addr addr; + u16 w5; + __le16 addr_high_high; + __le16 length; +} __packed; + +struct wil_rx_enhanced_desc { + struct wil_ring_rx_enhanced_mac mac; + struct wil_ring_rx_enhanced_dma dma; +} __packed; + +/* Enhanced Tx descriptor - DMA part + * [dword 0] + * Same as legacy + * [dword 1] + * bit 0..31 : addr_low:32 The payload buffer address, bits 0-31 + * [dword 2] + * bit 0..15 : addr_high_low:16 The payload buffer address, bits 32-47 + * bit 16..23 : ip_length:8 The IP header length for the TX IP checksum + * offload feature + * bit 24..30 : mac_length:7 + * bit 31 : ip_version:1 1 - IPv4, 0 - IPv6 + * [dword 3] + * bit 0..15 : addr_high_high:16 The payload buffer address, bits 48-63 + * bit 16..31 : length + */ +struct wil_ring_tx_enhanced_dma { + u8 l4_hdr_len; + u8 cmd; + u16 w1; + struct wil_ring_dma_addr addr; + u8 ip_length; + u8 b11; /* 0..6: mac_length; 7:ip_version */ + __le16 addr_high_high; + __le16 length; +} __packed; + +/* Enhanced Tx descriptor - MAC part + * [dword 0] + * bit 0.. 9 : lifetime_expiry_value:10 + * bit 10 : interrupt_en:1 + * bit 11 : status_en:1 + * bit 12..13 : txss_override:2 + * bit 14 : timestamp_insertion:1 + * bit 15 : duration_preserve:1 + * bit 16..21 : reserved0:6 + * bit 22..26 : mcs_index:5 + * bit 27 : mcs_en:1 + * bit 28..30 : reserved1:3 + * bit 31 : sn_preserved:1 + * [dword 1] + * bit 0.. 3 : pkt_mode:4 + * bit 4 : pkt_mode_en:1 + * bit 5..14 : reserved0:10 + * bit 15 : ack_policy_en:1 + * bit 16..19 : dst_index:4 + * bit 20 : dst_index_en:1 + * bit 21..22 : ack_policy:2 + * bit 23 : lifetime_en:1 + * bit 24..30 : max_retry:7 + * bit 31 : max_retry_en:1 + * [dword 2] + * bit 0.. 7 : num_of_descriptors:8 + * bit 8..17 : reserved:10 + * bit 18..19 : l2_translation_type:2 00 - bypass, 01 - 802.3, 10 - 802.11 + * bit 20 : snap_hdr_insertion_en:1 + * bit 21 : vlan_removal_en:1 + * bit 22..23 : reserved0:2 + * bit 24 : Dest ID extension:1 + * bit 25..31 : reserved0:7 + * [dword 3] + * bit 0..15 : tso_mss:16 + * bit 16..31 : descriptor_scratchpad:16 - mailbox between driver and ucode + */ +struct wil_ring_tx_enhanced_mac { + u32 d[3]; + __le16 tso_mss; + u16 scratchpad; +} __packed; + +struct wil_tx_enhanced_desc { + struct wil_ring_tx_enhanced_mac mac; + struct wil_ring_tx_enhanced_dma dma; +} __packed; + +#define TX_STATUS_DESC_READY_POS 7 + +/* Enhanced TX status message + * [dword 0] + * bit 0.. 7 : Number of Descriptor:8 - The number of descriptors that + * are used to form the packets. It is needed for WB when + * releasing the packet + * bit 8..15 : tx_ring_id:8 The transmission ring ID that is related to + * the message + * bit 16..23 : Status:8 - The TX status Code + * 0x0 - A successful transmission + * 0x1 - Retry expired + * 0x2 - Lifetime Expired + * 0x3 - Released + * 0x4-0xFF - Reserved + * bit 24..30 : Reserved:7 + * bit 31 : Descriptor Ready bit:1 - It is initiated to + * zero by the driver when the ring is created. It is set by the HW + * to one for each completed status message. Each wrap around, + * the DR bit value is flipped. + * [dword 1] + * bit 0..31 : timestamp:32 - Set when MPDU is transmitted. + * [dword 2] + * bit 0.. 4 : MCS:5 - The transmitted MCS value + * bit 5 : Reserved:1 + * bit 6.. 7 : CB mode:2 - 0-DMG 1-EDMG 2-Wide + * bit 8..12 : QID:5 - The QID that was used for the transmission + * bit 13..15 : Reserved:3 + * bit 16..20 : Num of MSDUs:5 - Number of MSDUs in the aggregation + * bit 21..22 : Reserved:2 + * bit 23 : Retry:1 - An indication that the transmission was retried + * bit 24..31 : TX-Sector:8 - the antenna sector that was used for + * transmission + * [dword 3] + * bit 0..11 : Sequence number:12 - The Sequence Number that was used + * for the MPDU transmission + * bit 12..31 : Reserved:20 + */ +struct wil_ring_tx_status { + u8 num_descriptors; + u8 ring_id; + u8 status; + u8 desc_ready; /* Only the last bit should be set */ + u32 timestamp; + u32 d2; + u16 seq_number; /* Only the first 12 bits */ + u16 w7; +} __packed; + +/* Enhanced Rx status message - compressed part + * [dword 0] + * bit 0.. 2 : L2 Rx Status:3 - The L2 packet reception Status + * 0-Success, 1-MIC Error, 2-Key Error, 3-Replay Error, + * 4-A-MSDU Error, 5-Reserved, 6-Reserved, 7-FCS Error + * bit 3.. 4 : L3 Rx Status:2 - Bit0 - L3I - L3 identified and checksum + * calculated, Bit1- L3Err - IPv4 Checksum Error + * bit 5.. 6 : L4 Rx Status:2 - Bit0 - L4I - L4 identified and checksum + * calculated, Bit1- L4Err - TCP/UDP Checksum Error + * bit 7 : Reserved:1 + * bit 8..19 : Flow ID:12 - MSDU flow ID + * bit 20..21 : MID:2 - The MAC ID + * bit 22 : MID_V:1 - The MAC ID field is valid + * bit 23 : L3T:1 - IP types: 0-IPv6, 1-IPv4 + * bit 24 : L4T:1 - Layer 4 Type: 0-UDP, 1-TCP + * bit 25 : BC:1 - The received MPDU is broadcast + * bit 26 : MC:1 - The received MPDU is multicast + * bit 27 : Raw:1 - The MPDU received with no translation + * bit 28 : Sec:1 - The FC control (b14) - Frame Protected + * bit 29 : Error:1 - An error is set when (L2 status != 0) || + * (L3 status == 3) || (L4 status == 3) + * bit 30 : EOP:1 - End of MSDU signaling. It is set to mark the end + * of the transfer, otherwise the status indicates buffer + * only completion. + * bit 31 : Descriptor Ready bit:1 - It is initiated to + * zero by the driver when the ring is created. It is set + * by the HW to one for each completed status message. + * Each wrap around, the DR bit value is flipped. + * [dword 1] + * bit 0.. 5 : MAC Len:6 - The number of bytes that are used for L2 header + * bit 6..11 : IPLEN:6 - The number of DW that are used for L3 header + * bit 12..15 : I4Len:4 - The number of DW that are used for L4 header + * bit 16..21 : MCS:6 - The received MCS field from the PLCP Header + * bit 22..23 : CB mode:2 - The CB Mode: 0-DMG, 1-EDMG, 2-Wide + * bit 24..27 : Data Offset:4 - The data offset, a code that describe the + * payload shift from the beginning of the buffer: + * 0 - 0 Bytes, 1 - 2 Bytes, 2 - 6 Bytes + * bit 28 : A-MSDU Present:1 - The QoS (b7) A-MSDU present field + * bit 29 : A-MSDU Type:1 The QoS (b8) A-MSDU Type field + * bit 30 : A-MPDU:1 - Packet is part of aggregated MPDU + * bit 31 : Key ID:1 - The extracted Key ID from the encryption header + * [dword 2] + * bit 0..15 : Buffer ID:16 - The Buffer Identifier + * bit 16..31 : Length:16 - It indicates the valid bytes that are stored + * in the current descriptor buffer. For multiple buffer + * descriptor, SW need to sum the total descriptor length + * in all buffers to produce the packet length + * [dword 3] + * bit 0..31 : timestamp:32 - The MPDU Timestamp. + */ +struct wil_rx_status_compressed { + u32 d0; + u32 d1; + __le16 buff_id; + __le16 length; + u32 timestamp; +} __packed; + +/* Enhanced Rx status message - extension part + * [dword 0] + * bit 0.. 4 : QID:5 - The Queue Identifier that the packet is received + * from + * bit 5.. 7 : Reserved:3 + * bit 8..11 : TID:4 - The QoS (b3-0) TID Field + * bit 12..15 Source index:4 - The Source index that was found + during Parsing the TA. This field is used to define the + source of the packet + * bit 16..18 : Destination index:3 - The Destination index that + was found during Parsing the RA. + * bit 19..20 : DS Type:2 - The FC Control (b9-8) - From / To DS + * bit 21..22 : MIC ICR:2 - this signal tells the DMA to assert an + interrupt after it writes the packet + * bit 23 : ESOP:1 - The QoS (b4) ESOP field + * bit 24 : RDG:1 + * bit 25..31 : Reserved:7 + * [dword 1] + * bit 0.. 1 : Frame Type:2 - The FC Control (b3-2) - MPDU Type + (management, data, control and extension) + * bit 2.. 5 : Syb type:4 - The FC Control (b7-4) - Frame Subtype + * bit 6..11 : Ext sub type:6 - The FC Control (b11-8) - Frame Extended + * Subtype + * bit 12..13 : ACK Policy:2 - The QoS (b6-5) ACK Policy fields + * bit 14 : DECRYPT_BYP:1 - The MPDU is bypass by the decryption unit + * bit 15..23 : Reserved:9 + * bit 24..31 : RSSI/SNR:8 - The RSSI / SNR measurement for the received + * MPDU + * [dword 2] + * bit 0..11 : SN:12 - The received Sequence number field + * bit 12..15 : Reserved:4 + * bit 16..31 : PN bits [15:0]:16 + * [dword 3] + * bit 0..31 : PN bits [47:16]:32 + */ +struct wil_rx_status_extension { + u32 d0; + u32 d1; + __le16 seq_num; /* only lower 12 bits */ + u16 pn_15_0; + u32 pn_47_16; +} __packed; + +struct wil_rx_status_extended { + struct wil_rx_status_compressed comp; + struct wil_rx_status_extension ext; +}; + +#endif /* WIL6210_TXRX_EDMA_H */ + diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 4cd8e4030fe9..810ed5b8e558 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -80,6 +80,8 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1) #define WIL6210_NAPI_BUDGET (16) /* arbitrary */ #define WIL_MAX_AMPDU_SIZE (64 * 1024) /* FW/HW limit */ #define WIL_MAX_AGG_WSIZE (32) /* FW/HW limit */ +#define WIL6210_MAX_STATUS_RINGS (8) + /* Hardware offload block adds the following: * 26 bytes - 3-address QoS data header * 8 bytes - IV + EIV (for GCMP) @@ -359,6 +361,12 @@ enum { #define TALYN_MB_FW_MAPPING_TABLE_SIZE 19 #define MAX_FW_MAPPING_TABLE_SIZE 19 +/* Common representation of physical address in wil ring */ +struct wil_ring_dma_addr { + __le32 addr_low; + __le16 addr_high; +} __packed; + struct fw_map { u32 from; /* linker address - from, inclusive */ u32 to; /* linker address - to, exclusive */ @@ -447,7 +455,7 @@ enum { /* for wil_ctx.mapped_as */ }; /** - * struct wil_ctx - software context for Vring descriptor + * struct wil_ctx - software context for ring descriptor */ struct wil_ctx { struct sk_buff *skb; @@ -455,22 +463,59 @@ struct wil_ctx { u8 mapped_as; }; -union vring_desc; +struct wil_desc_ring_rx_swtail { /* relevant for enhanced DMA only */ + u32 *va; + dma_addr_t pa; +}; -struct vring { +/** + * A general ring structure, used for RX and TX. + * In legacy DMA it represents the vring, + * In enahnced DMA it represents the descriptor ring (vrings are handled by FW) + */ +struct wil_ring { dma_addr_t pa; - volatile union vring_desc *va; /* vring_desc[size], WriteBack by DMA */ - u16 size; /* number of vring_desc elements */ + volatile union wil_ring_desc *va; + u16 size; /* number of wil_ring_desc elements */ u32 swtail; u32 swhead; u32 hwtail; /* write here to inform hw */ struct wil_ctx *ctx; /* ctx[size] - software context */ + struct wil_desc_ring_rx_swtail edma_rx_swtail; + bool is_rx; }; /** - * Additional data for Tx Vring + * Additional data for Rx ring. + * Used for enhanced DMA RX chaining. */ -struct vring_tx_data { +struct wil_ring_rx_data { + /* the skb being assembled */ + struct sk_buff *skb; + /* true if we are skipping a bad fragmented packet */ + bool skipping; + u16 buff_size; +}; + +/** + * Status ring structure, used for enhanced DMA completions for RX and TX. + */ +struct wil_status_ring { + dma_addr_t pa; + void *va; /* pointer to ring_[tr]x_status elements */ + u16 size; /* number of status elements */ + size_t elem_size; /* status element size in bytes */ + u32 swhead; + u32 hwtail; /* write here to inform hw */ + bool is_rx; + u8 desc_rdy_pol; /* Expected descriptor ready bit polarity */ + struct wil_ring_rx_data rx_data; +}; + +/** + * Additional data for Tx ring + */ +struct wil_ring_tx_data { bool dot1x_open; int enabled; cycles_t idle, last_idle, begin; @@ -573,6 +618,9 @@ struct wil_net_stats { unsigned long rx_short_frame; unsigned long rx_large_frame; unsigned long rx_replay; + unsigned long rx_mic_error; /* eDMA specific */ + unsigned long rx_key_error; /* eDMA specific */ + unsigned long rx_amsdu_error; /* eDMA specific */ u16 last_mcs_rx; u64 rx_per_mcs[WIL_MCS_MAX + 1]; }; @@ -690,7 +738,7 @@ struct wil6210_vif { u8 hidden_ssid; /* relevant in AP mode */ u32 ap_isolate; /* no intra-BSS communication */ bool pbss; - int bcast_vring; + int bcast_ring; struct cfg80211_bss *bss; /* connected bss, relevant in STA mode */ int locally_generated_disc; /* relevant in STA mode */ struct timer_list connect_timer; @@ -706,6 +754,31 @@ struct wil6210_vif { int net_queue_stopped; /* netif_tx_stop_all_queues invoked */ }; +/** + * RX buffer allocated for enhanced DMA RX descriptors + */ +struct wil_rx_buff { + struct sk_buff *skb; + struct list_head list; + int id; +}; + +/** + * During Rx completion processing, the driver extracts a buffer ID which + * is used as an index to the rx_buff_mgmt.buff_arr array and then the SKB + * is given to the network stack and the buffer is moved from the 'active' + * list to the 'free' list. + * During Rx refill, SKBs are attached to free buffers and moved to the + * 'active' list. + */ +struct wil_rx_buff_mgmt { + struct wil_rx_buff *buff_arr; + size_t size; /* number of items in buff_arr */ + struct list_head active; + struct list_head free; + unsigned long free_list_empty_cnt; /* statistics */ +}; + struct wil6210_priv { struct pci_dev *pdev; u32 bar_size; @@ -770,14 +843,17 @@ struct wil6210_priv { struct net_device napi_ndev; /* dummy net_device serving all VIFs */ /* DMA related */ - struct vring vring_rx; + struct wil_ring ring_rx; unsigned int rx_buf_len; - struct vring vring_tx[WIL6210_MAX_TX_RINGS]; - struct vring_tx_data vring_tx_data[WIL6210_MAX_TX_RINGS]; - u8 vring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */ + struct wil_ring ring_tx[WIL6210_MAX_TX_RINGS]; + struct wil_ring_tx_data ring_tx_data[WIL6210_MAX_TX_RINGS]; + struct wil_status_ring srings[WIL6210_MAX_STATUS_RINGS]; + int num_rx_status_rings; + u8 ring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */ struct wil_sta_info sta[WIL6210_MAX_CID]; - u32 vring_idle_trsh; /* HW fetches up to 16 descriptors at once */ + u32 ring_idle_trsh; /* HW fetches up to 16 descriptors at once */ u32 dma_addr_size; /* indicates dma addr size */ + struct wil_rx_buff_mgmt rx_buff_mgmt; struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */ /* statistics */ @@ -999,7 +1075,7 @@ int wmi_add_cipher_key(struct wil6210_vif *vif, u8 key_index, int key_usage); int wmi_echo(struct wil6210_priv *wil); int wmi_set_ie(struct wil6210_vif *vif, u8 type, u16 ie_len, const void *ie); -int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring); +int wmi_rx_chain_add(struct wil6210_priv *wil, struct wil_ring *vring); int wmi_rxon(struct wil6210_priv *wil, bool on); int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_m, u32 *t_r); int wmi_disconnect_sta(struct wil6210_vif *vif, const u8 *mac, @@ -1098,7 +1174,7 @@ void wil_rx_fini(struct wil6210_priv *wil); /* TX API */ int wil_vring_init_tx(struct wil6210_vif *vif, int id, int size, int cid, int tid); -void wil_vring_fini_tx(struct wil6210_priv *wil, int id); +void wil_ring_fini_tx(struct wil6210_priv *wil, int id); int wil_tx_init(struct wil6210_vif *vif, int cid); int wil_vring_init_bcast(struct wil6210_vif *vif, int id, int size); int wil_bcast_init(struct wil6210_vif *vif); @@ -1106,9 +1182,9 @@ void wil_bcast_fini(struct wil6210_vif *vif); void wil_bcast_fini_all(struct wil6210_priv *wil); void wil_update_net_queues(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct vring *vring, bool should_stop); + struct wil_ring *ring, bool should_stop); void wil_update_net_queues_bh(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct vring *vring, bool check_stop); + struct wil_ring *ring, bool check_stop); netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev); int wil_tx_complete(struct wil6210_vif *vif, int ringid); void wil6210_unmask_irq_tx(struct wil6210_priv *wil); diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 5509f9474f9c..1cf802101dd9 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -1127,7 +1127,7 @@ static void wmi_evt_vring_en(struct wil6210_vif *vif, int id, void *d, int len) wil_dbg_wmi(wil, "Enable vring %d MID %d\n", vri, vif->mid); - if (vri >= ARRAY_SIZE(wil->vring_tx)) { + if (vri >= ARRAY_SIZE(wil->ring_tx)) { wil_err(wil, "Enable for invalid vring %d\n", vri); return; } @@ -1136,8 +1136,8 @@ static void wmi_evt_vring_en(struct wil6210_vif *vif, int id, void *d, int len) /* in AP mode with disable_ap_sme, this is done by * wil_cfg80211_change_station() */ - wil->vring_tx_data[vri].dot1x_open = true; - if (vri == vif->bcast_vring) /* no BA for bcast */ + wil->ring_tx_data[vri].dot1x_open = true; + if (vri == vif->bcast_ring) /* no BA for bcast */ return; if (agg_wsize >= 0) wil_addba_tx_request(wil, vri, agg_wsize); @@ -1148,7 +1148,7 @@ static void wmi_evt_ba_status(struct wil6210_vif *vif, int id, { struct wil6210_priv *wil = vif_to_wil(vif); struct wmi_ba_status_event *evt = d; - struct vring_tx_data *txdata; + struct wil_ring_tx_data *txdata; wil_dbg_wmi(wil, "BACK[%d] %s {%d} timeout %d AMSDU%s\n", evt->ringid, @@ -1167,7 +1167,7 @@ static void wmi_evt_ba_status(struct wil6210_vif *vif, int id, evt->amsdu = 0; } - txdata = &wil->vring_tx_data[evt->ringid]; + txdata = &wil->ring_tx_data[evt->ringid]; txdata->agg_timeout = le16_to_cpu(evt->ba_timeout); txdata->agg_wsize = evt->agg_wsize; @@ -1205,11 +1205,11 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) if (!evt->from_initiator) { int i; /* find Tx vring it belongs to */ - for (i = 0; i < ARRAY_SIZE(wil->vring2cid_tid); i++) { - if ((wil->vring2cid_tid[i][0] == cid) && - (wil->vring2cid_tid[i][1] == tid)) { - struct vring_tx_data *txdata = - &wil->vring_tx_data[i]; + for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) { + if (wil->ring2cid_tid[i][0] == cid && + wil->ring2cid_tid[i][1] == tid) { + struct wil_ring_tx_data *txdata = + &wil->ring_tx_data[i]; wil_dbg_wmi(wil, "DELBA Tx vring %d\n", i); txdata->agg_timeout = 0; @@ -1219,7 +1219,7 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) break; /* max. 1 matching ring */ } } - if (i >= ARRAY_SIZE(wil->vring2cid_tid)) + if (i >= ARRAY_SIZE(wil->ring2cid_tid)) wil_err(wil, "DELBA: unable to find Tx vring\n"); return; } @@ -1964,7 +1964,7 @@ int wmi_rxon(struct wil6210_priv *wil, bool on) return rc; } -int wmi_rx_chain_add(struct wil6210_priv *wil, struct vring *vring) +int wmi_rx_chain_add(struct wil6210_priv *wil, struct wil_ring *vring) { struct net_device *ndev = wil->main_ndev; struct wireless_dev *wdev = ndev->ieee80211_ptr; -- cgit v1.2.3-55-g7522 From 96c93589e2dfd43ad16b92e6677ceaf279ae5062 Mon Sep 17 00:00:00 2001 From: Gidon Studinski Date: Fri, 29 Jun 2018 16:28:23 +0300 Subject: wil6210: initialize TX and RX enhanced DMA rings Enhanced DMA design includes the following rings: - Single RX descriptor ring is used for all VIFs - Multiple RX status rings are supported, to allow RSS - TX descriptor ring is allocated per connection - A single TX status ring is used for all TX descriptor rings This patch initializes and frees the above descriptor and status rings. The RX SKBs are handled by a new entity of RX buffers manager, which handles RX buffers, each one points to an allocated SKB. During Rx completion processing, the driver extracts a buffer ID which is used as an index to the buffers array. After the SKB is freed the buffer is moved from the 'active' list to the 'free' list, indicating it can be used for another descriptor. During Rx refill, SKBs are allocated and attached to 'free' buffers. Those buffers are attached to new descriptors and moved to the 'active' list. New debugfs entries were added to allow edma configuration: Run the following command to configure the number of status rings: echo NUM_OF_STATUS_RINGS > num_rx_status_rings Run the following command to use extended RX status message for additional debug fields from HW: echo 0 > compressed_rx_status Run the following command to control the size of the TX status ring: echo TX_STATUS_RING_ORDER > tx_status_ring_order The status ring size will be 1 << tx_status_ring_order Run the following command to control the size of the RX status ring: echo RX_STATUS_RING_ORDER > rx_status_ring_order Due to HW constrains RX sring order should be bigger than RX ring order The status ring size will be 1 << rx_status_ring_order Run the following command to change the number of RX buffer IDs: echo RX_BUFF_ID_COUNT > rx_buff_id_count Signed-off-by: Gidon Studinski Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/Makefile | 1 + drivers/net/wireless/ath/wil6210/debugfs.c | 59 +++ drivers/net/wireless/ath/wil6210/ethtool.c | 2 +- drivers/net/wireless/ath/wil6210/interrupt.c | 21 + drivers/net/wireless/ath/wil6210/main.c | 81 ++- drivers/net/wireless/ath/wil6210/pcie_bus.c | 47 +- drivers/net/wireless/ath/wil6210/txrx.c | 90 ++-- drivers/net/wireless/ath/wil6210/txrx.h | 8 + drivers/net/wireless/ath/wil6210/txrx_edma.c | 719 +++++++++++++++++++++++++++ drivers/net/wireless/ath/wil6210/txrx_edma.h | 54 +- drivers/net/wireless/ath/wil6210/wil6210.h | 62 ++- drivers/net/wireless/ath/wil6210/wmi.c | 316 +++++++++++- drivers/net/wireless/ath/wil6210/wmi.h | 166 ++++++- 13 files changed, 1513 insertions(+), 113 deletions(-) create mode 100644 drivers/net/wireless/ath/wil6210/txrx_edma.c (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/Makefile b/drivers/net/wireless/ath/wil6210/Makefile index 398edd2a7f2b..d3d61ae459e2 100644 --- a/drivers/net/wireless/ath/wil6210/Makefile +++ b/drivers/net/wireless/ath/wil6210/Makefile @@ -9,6 +9,7 @@ wil6210-$(CONFIG_WIL6210_DEBUGFS) += debugfs.o wil6210-y += wmi.o wil6210-y += interrupt.o wil6210-y += txrx.o +wil6210-y += txrx_edma.o wil6210-y += debug.o wil6210-y += rx_reorder.o wil6210-y += fw.o diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 55e03e9b49eb..212baf46393a 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1761,6 +1761,60 @@ static const struct file_operations fops_suspend_stats = { .open = simple_open, }; +/*---------compressed_rx_status---------*/ +static ssize_t wil_compressed_rx_status_write(struct file *file, + const char __user *buf, + size_t len, loff_t *ppos) +{ + struct seq_file *s = file->private_data; + struct wil6210_priv *wil = s->private; + int compressed_rx_status; + int rc; + + rc = kstrtoint_from_user(buf, len, 0, &compressed_rx_status); + if (rc) { + wil_err(wil, "Invalid argument\n"); + return rc; + } + + if (wil_has_active_ifaces(wil, true, false)) { + wil_err(wil, "cannot change edma config after iface is up\n"); + return -EPERM; + } + + wil_info(wil, "%sable compressed_rx_status\n", + compressed_rx_status ? "En" : "Dis"); + + wil->use_compressed_rx_status = compressed_rx_status; + + return len; +} + +static int +wil_compressed_rx_status_show(struct seq_file *s, void *data) +{ + struct wil6210_priv *wil = s->private; + + seq_printf(s, "%d\n", wil->use_compressed_rx_status); + + return 0; +} + +static int +wil_compressed_rx_status_seq_open(struct inode *inode, struct file *file) +{ + return single_open(file, wil_compressed_rx_status_show, + inode->i_private); +} + +static const struct file_operations fops_compressed_rx_status = { + .open = wil_compressed_rx_status_seq_open, + .release = single_release, + .read = seq_read, + .write = wil_compressed_rx_status_write, + .llseek = seq_lseek, +}; + /*----------------*/ static void wil6210_debugfs_init_blobs(struct wil6210_priv *wil, struct dentry *dbg) @@ -1814,6 +1868,7 @@ static const struct { {"fw_capabilities", 0444, &fops_fw_capabilities}, {"fw_version", 0444, &fops_fw_version}, {"suspend_stats", 0644, &fops_suspend_stats}, + {"compressed_rx_status", 0644, &fops_compressed_rx_status}, }; static void wil6210_debugfs_init_files(struct wil6210_priv *wil, @@ -1860,6 +1915,10 @@ static const struct dbg_off dbg_wil_off[] = { WIL_FIELD(abft_len, 0644, doff_u8), WIL_FIELD(wakeup_trigger, 0644, doff_u8), WIL_FIELD(ring_idle_trsh, 0644, doff_u32), + WIL_FIELD(num_rx_status_rings, 0644, doff_u8), + WIL_FIELD(rx_status_ring_order, 0644, doff_u32), + WIL_FIELD(tx_status_ring_order, 0644, doff_u32), + WIL_FIELD(rx_buff_id_count, 0644, doff_u32), {}, }; diff --git a/drivers/net/wireless/ath/wil6210/ethtool.c b/drivers/net/wireless/ath/wil6210/ethtool.c index e7ff41e623d2..a04c87ffd37b 100644 --- a/drivers/net/wireless/ath/wil6210/ethtool.c +++ b/drivers/net/wireless/ath/wil6210/ethtool.c @@ -101,7 +101,7 @@ static int wil_ethtoolops_set_coalesce(struct net_device *ndev, if (ret < 0) return ret; - wil_configure_interrupt_moderation(wil); + wil->txrx_ops.configure_interrupt_moderation(wil); wil_pm_runtime_put(wil); diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index 84e9840c1752..311d48233165 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -186,6 +186,27 @@ void wil_unmask_irq(struct wil6210_priv *wil) wil6210_unmask_irq_misc(wil, true); } +void wil_configure_interrupt_moderation_edma(struct wil6210_priv *wil) +{ + u32 moderation; + + wil_s(wil, RGF_INT_GEN_IDLE_TIME_LIMIT, WIL_EDMA_IDLE_TIME_LIMIT_USEC); + + wil_s(wil, RGF_INT_GEN_TIME_UNIT_LIMIT, WIL_EDMA_TIME_UNIT_CLK_CYCLES); + + /* Update RX and TX moderation */ + moderation = wil->rx_max_burst_duration | + (WIL_EDMA_AGG_WATERMARK << WIL_EDMA_AGG_WATERMARK_POS); + wil_w(wil, RGF_INT_CTRL_INT_GEN_CFG_0, moderation); + wil_w(wil, RGF_INT_CTRL_INT_GEN_CFG_1, moderation); + + /* Treat special events as regular + * (set bit 0 to 0x1 and clear bits 1-8) + */ + wil_c(wil, RGF_INT_COUNT_ON_SPECIAL_EVT, 0x1FE); + wil_s(wil, RGF_INT_COUNT_ON_SPECIAL_EVT, 0x1); +} + void wil_configure_interrupt_moderation(struct wil6210_priv *wil) { struct wireless_dev *wdev = wil->main_ndev->ieee80211_ptr; diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index bfe628481e22..c820c86918f0 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -21,11 +21,13 @@ #include "wil6210.h" #include "txrx.h" +#include "txrx_edma.h" #include "wmi.h" #include "boot_loader.h" #define WAIT_FOR_HALP_VOTE_MS 100 #define WAIT_FOR_SCAN_ABORT_MS 1000 +#define WIL_DEFAULT_NUM_RX_STATUS_RINGS 1 bool debug_fw; /* = false; */ module_param(debug_fw, bool, 0444); @@ -160,6 +162,37 @@ void wil_memcpy_toio_32(volatile void __iomem *dst, const void *src, } } +static void wil_ring_fini_tx(struct wil6210_priv *wil, int id) +{ + struct wil_ring *ring = &wil->ring_tx[id]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[id]; + + lockdep_assert_held(&wil->mutex); + + if (!ring->va) + return; + + wil_dbg_misc(wil, "vring_fini_tx: id=%d\n", id); + + spin_lock_bh(&txdata->lock); + txdata->dot1x_open = false; + txdata->mid = U8_MAX; + txdata->enabled = 0; /* no Tx can be in progress or start anew */ + spin_unlock_bh(&txdata->lock); + /* napi_synchronize waits for completion of the current NAPI but will + * not prevent the next NAPI run. + * Add a memory barrier to guarantee that txdata->enabled is zeroed + * before napi_synchronize so that the next scheduled NAPI will not + * handle this vring + */ + wmb(); + /* make sure NAPI won't touch this vring */ + if (test_bit(wil_status_napi_en, wil->status)) + napi_synchronize(&wil->napi_tx); + + wil->txrx_ops.ring_fini_tx(wil, ring); +} + static void wil_disconnect_cid(struct wil6210_vif *vif, int cid, u16 reason_code, bool from_event) __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) @@ -456,15 +489,16 @@ static void wil_fw_error_worker(struct work_struct *work) static int wil_find_free_ring(struct wil6210_priv *wil) { int i; + int min_ring_id = wil_get_min_tx_ring_id(wil); - for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { + for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) { if (!wil->ring_tx[i].va) return i; } return -EINVAL; } -int wil_tx_init(struct wil6210_vif *vif, int cid) +int wil_ring_init_tx(struct wil6210_vif *vif, int cid) { struct wil6210_priv *wil = vif_to_wil(vif); int rc = -EINVAL, ringid; @@ -482,7 +516,8 @@ int wil_tx_init(struct wil6210_vif *vif, int cid) wil_dbg_wmi(wil, "Configure for connection CID %d MID %d ring %d\n", cid, vif->mid, ringid); - rc = wil_vring_init_tx(vif, ringid, 1 << tx_ring_order, cid, 0); + rc = wil->txrx_ops.ring_init_tx(vif, ringid, 1 << tx_ring_order, + cid, 0); if (rc) wil_err(wil, "init TX for CID %d MID %d vring %d failed\n", cid, vif->mid, ringid); @@ -504,7 +539,7 @@ int wil_bcast_init(struct wil6210_vif *vif) return ri; vif->bcast_ring = ri; - rc = wil_vring_init_bcast(vif, ri, 1 << bcast_ring_order); + rc = wil->txrx_ops.ring_init_bcast(vif, ri, 1 << bcast_ring_order); if (rc) vif->bcast_ring = -1; @@ -594,6 +629,22 @@ int wil_priv_init(struct wil6210_priv *wil) wil->reply_mid = U8_MAX; wil->max_vifs = 1; + /* edma configuration can be updated via debugfs before allocation */ + wil->num_rx_status_rings = WIL_DEFAULT_NUM_RX_STATUS_RINGS; + wil->use_compressed_rx_status = true; + wil->tx_status_ring_order = WIL_TX_SRING_SIZE_ORDER_DEFAULT; + + /* Rx status ring size should be bigger than the number of RX buffers + * in order to prevent backpressure on the status ring, which may + * cause HW freeze. + */ + wil->rx_status_ring_order = WIL_RX_SRING_SIZE_ORDER_DEFAULT; + /* Number of RX buffer IDs should be bigger than the RX descriptor + * ring size as in HW reorder flow, the HW can consume additional + * buffers before releasing the previous ones. + */ + wil->rx_buff_id_count = WIL_RX_BUFF_ARR_SIZE_DEFAULT; + return 0; out_wmi_wq: @@ -1312,7 +1363,8 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) rc = wil_target_reset(wil, no_flash); wil6210_clear_irq(wil); wil_enable_irq(wil); - wil_rx_fini(wil); + wil->txrx_ops.rx_fini(wil); + wil->txrx_ops.tx_fini(wil); if (rc) { if (!no_flash) wil_bl_crash_info(wil, true); @@ -1365,7 +1417,6 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) clear_bit(wil_status_resetting, wil->status); if (load_fw) { - wil_configure_interrupt_moderation(wil); wil_unmask_irq(wil); /* we just started MAC, wait for FW ready */ @@ -1380,6 +1431,8 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) return rc; } + wil->txrx_ops.configure_interrupt_moderation(wil); + rc = wil_restore_vifs(wil); if (rc) { wil_err(wil, "failed to restore vifs, rc %d\n", rc); @@ -1434,8 +1487,12 @@ int __wil_up(struct wil6210_priv *wil) if (rc) return rc; - /* Rx VRING. After MAC and beacon */ - rc = wil_rx_init(wil, 1 << rx_ring_order); + /* Rx RING. After MAC and beacon */ + rc = wil->txrx_ops.rx_init(wil, 1 << rx_ring_order); + if (rc) + return rc; + + rc = wil->txrx_ops.tx_init(wil); if (rc) return rc; @@ -1596,3 +1653,11 @@ void wil_halp_unvote(struct wil6210_priv *wil) mutex_unlock(&wil->halp.lock); } + +void wil_init_txrx_ops(struct wil6210_priv *wil) +{ + if (wil->use_enhanced_dma_hw) + wil_init_txrx_ops_edma(wil); + else + wil_init_txrx_ops_legacy_dma(wil); +} diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 3a7e406d0311..c01c5348b7e0 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -102,6 +102,7 @@ int wil_set_capabilities(struct wil6210_priv *wil) wil->rgf_fw_assert_code_addr = TALYN_RGF_FW_ASSERT_CODE; wil->rgf_ucode_assert_code_addr = TALYN_RGF_UCODE_ASSERT_CODE; set_bit(hw_capa_no_flash, wil->hw_capa); + wil->use_enhanced_dma_hw = true; break; default: wil_err(wil, "Unknown board hardware, chip_id 0x%08x, chip_revision 0x%08x\n", @@ -111,6 +112,8 @@ int wil_set_capabilities(struct wil6210_priv *wil) return -EINVAL; } + wil_init_txrx_ops(wil); + iccm_section = wil_find_fw_mapping("fw_code"); if (!iccm_section) { wil_err(wil, "fw_code section not found in fw_mapping\n"); @@ -266,8 +269,8 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) .fw_recovery = wil_platform_rop_fw_recovery, }; u32 bar_size = pci_resource_len(pdev, 0); - int dma_addr_size[] = {48, 40, 32}; /* keep descending order */ - int i; + int dma_addr_size[] = {64, 48, 40, 32}; /* keep descending order */ + int i, start_idx; /* check HW */ dev_info(&pdev->dev, WIL_NAME @@ -302,24 +305,6 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto if_free; } /* rollback to err_plat */ - - /* device supports >32bit addresses */ - for (i = 0; i < ARRAY_SIZE(dma_addr_size); i++) { - rc = dma_set_mask_and_coherent(dev, - DMA_BIT_MASK(dma_addr_size[i])); - if (rc) { - dev_err(dev, "dma_set_mask_and_coherent(%d) failed: %d\n", - dma_addr_size[i], rc); - continue; - } - dev_info(dev, "using dma mask %d", dma_addr_size[i]); - wil->dma_addr_size = dma_addr_size[i]; - break; - } - - if (wil->dma_addr_size == 0) - goto err_plat; - rc = pci_enable_device(pdev); if (rc && pdev->msi_enabled == 0) { wil_err(wil, @@ -359,6 +344,28 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) wil_err(wil, "wil_set_capabilities failed, rc %d\n", rc); goto err_iounmap; } + + /* device supports >32bit addresses. + * for legacy DMA start from 48 bit. + */ + start_idx = wil->use_enhanced_dma_hw ? 0 : 1; + + for (i = start_idx; i < ARRAY_SIZE(dma_addr_size); i++) { + rc = dma_set_mask_and_coherent(dev, + DMA_BIT_MASK(dma_addr_size[i])); + if (rc) { + dev_err(dev, "dma_set_mask_and_coherent(%d) failed: %d\n", + dma_addr_size[i], rc); + continue; + } + dev_info(dev, "using dma mask %d", dma_addr_size[i]); + wil->dma_addr_size = dma_addr_size[i]; + break; + } + + if (wil->dma_addr_size == 0) + goto err_iounmap; + wil6210_clear_irq(wil); /* FW should raise IRQ when ready */ diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 55946dec5110..2a359e164e08 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -202,14 +202,13 @@ static void wil_txdesc_unmap(struct device *dev, struct vring_tx_desc *d, } } -static void wil_vring_free(struct wil6210_priv *wil, struct wil_ring *vring, - int tx) +static void wil_vring_free(struct wil6210_priv *wil, struct wil_ring *vring) { struct device *dev = wil_to_dev(wil); size_t sz = vring->size * sizeof(vring->va[0]); lockdep_assert_held(&wil->mutex); - if (tx) { + if (!vring->is_rx) { int vring_index = vring - wil->ring_tx; wil_dbg_misc(wil, "free Tx vring %d [%d] 0x%p:%pad 0x%p\n", @@ -226,7 +225,7 @@ static void wil_vring_free(struct wil6210_priv *wil, struct wil_ring *vring, u16 dmalen; struct wil_ctx *ctx; - if (tx) { + if (!vring->is_rx) { struct vring_tx_desc dd, *d = ⅆ volatile struct vring_tx_desc *_d = &vring->va[vring->swtail].tx.legacy; @@ -843,7 +842,7 @@ static void wil_rx_buf_len_init(struct wil6210_priv *wil) } } -int wil_rx_init(struct wil6210_priv *wil, u16 size) +static int wil_rx_init(struct wil6210_priv *wil, u16 size) { struct wil_ring *vring = &wil->ring_rx; int rc; @@ -858,6 +857,7 @@ int wil_rx_init(struct wil6210_priv *wil, u16 size) wil_rx_buf_len_init(wil); vring->size = size; + vring->is_rx = true; rc = wil_vring_alloc(wil, vring); if (rc) return rc; @@ -872,22 +872,22 @@ int wil_rx_init(struct wil6210_priv *wil, u16 size) return 0; err_free: - wil_vring_free(wil, vring, 0); + wil_vring_free(wil, vring); return rc; } -void wil_rx_fini(struct wil6210_priv *wil) +static void wil_rx_fini(struct wil6210_priv *wil) { struct wil_ring *vring = &wil->ring_rx; wil_dbg_misc(wil, "rx_fini\n"); if (vring->va) - wil_vring_free(wil, vring, 0); + wil_vring_free(wil, vring); } -static inline void wil_tx_data_init(struct wil_ring_tx_data *txdata) +void wil_tx_data_init(struct wil_ring_tx_data *txdata) { spin_lock_bh(&txdata->lock); txdata->dot1x_open = 0; @@ -903,8 +903,8 @@ static inline void wil_tx_data_init(struct wil_ring_tx_data *txdata) spin_unlock_bh(&txdata->lock); } -int wil_vring_init_tx(struct wil6210_vif *vif, int id, int size, - int cid, int tid) +static int wil_vring_init_tx(struct wil6210_vif *vif, int id, int size, + int cid, int tid) { struct wil6210_priv *wil = vif_to_wil(vif); int rc; @@ -948,6 +948,7 @@ int wil_vring_init_tx(struct wil6210_vif *vif, int id, int size, } wil_tx_data_init(txdata); + vring->is_rx = false; vring->size = size; rc = wil_vring_alloc(wil, vring); if (rc) @@ -987,7 +988,7 @@ int wil_vring_init_tx(struct wil6210_vif *vif, int id, int size, txdata->dot1x_open = false; txdata->enabled = 0; spin_unlock_bh(&txdata->lock); - wil_vring_free(wil, vring, 1); + wil_vring_free(wil, vring); wil->ring2cid_tid[id][0] = WIL6210_MAX_CID; wil->ring2cid_tid[id][1] = 0; @@ -1032,6 +1033,7 @@ int wil_vring_init_bcast(struct wil6210_vif *vif, int id, int size) } wil_tx_data_init(txdata); + vring->is_rx = false; vring->size = size; rc = wil_vring_alloc(wil, vring); if (rc) @@ -1069,43 +1071,12 @@ int wil_vring_init_bcast(struct wil6210_vif *vif, int id, int size) txdata->enabled = 0; txdata->dot1x_open = false; spin_unlock_bh(&txdata->lock); - wil_vring_free(wil, vring, 1); + wil_vring_free(wil, vring); out: return rc; } -void wil_ring_fini_tx(struct wil6210_priv *wil, int id) -{ - struct wil_ring *vring = &wil->ring_tx[id]; - struct wil_ring_tx_data *txdata = &wil->ring_tx_data[id]; - - lockdep_assert_held(&wil->mutex); - - if (!vring->va) - return; - - wil_dbg_misc(wil, "vring_fini_tx: id=%d\n", id); - - spin_lock_bh(&txdata->lock); - txdata->dot1x_open = false; - txdata->mid = U8_MAX; - txdata->enabled = 0; /* no Tx can be in progress or start anew */ - spin_unlock_bh(&txdata->lock); - /* napi_synchronize waits for completion of the current NAPI but will - * not prevent the next NAPI run. - * Add a memory barrier to guarantee that txdata->enabled is zeroed - * before napi_synchronize so that the next scheduled NAPI will not - * handle this vring - */ - wmb(); - /* make sure NAPI won't touch this vring */ - if (test_bit(wil_status_napi_en, wil->status)) - napi_synchronize(&wil->napi_tx); - - wil_vring_free(wil, vring, 1); -} - static struct wil_ring *wil_find_tx_ucast(struct wil6210_priv *wil, struct wil6210_vif *vif, struct sk_buff *skb) @@ -1113,12 +1084,13 @@ static struct wil_ring *wil_find_tx_ucast(struct wil6210_priv *wil, int i; struct ethhdr *eth = (void *)skb->data; int cid = wil_find_cid(wil, vif->mid, eth->h_dest); + int min_ring_id = wil_get_min_tx_ring_id(wil); if (cid < 0) return NULL; /* TODO: fix for multiple TID */ - for (i = 0; i < ARRAY_SIZE(wil->ring2cid_tid); i++) { + for (i = min_ring_id; i < ARRAY_SIZE(wil->ring2cid_tid); i++) { if (!wil->ring_tx_data[i].dot1x_open && skb->protocol != cpu_to_be16(ETH_P_PAE)) continue; @@ -1153,12 +1125,13 @@ static struct wil_ring *wil_find_tx_ring_sta(struct wil6210_priv *wil, int i; u8 cid; struct wil_ring_tx_data *txdata; + int min_ring_id = wil_get_min_tx_ring_id(wil); /* In the STA mode, it is expected to have only 1 VRING * for the AP we connected to. * find 1-st vring eligible for this skb and use it. */ - for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { + for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) { ring = &wil->ring_tx[i]; txdata = &wil->ring_tx_data[i]; if (!ring->va || !txdata->enabled || txdata->mid != vif->mid) @@ -1234,9 +1207,10 @@ static struct wil_ring *wil_find_tx_bcast_2(struct wil6210_priv *wil, struct ethhdr *eth = (void *)skb->data; char *src = eth->h_source; struct wil_ring_tx_data *txdata, *txdata2; + int min_ring_id = wil_get_min_tx_ring_id(wil); /* find 1-st vring eligible for data */ - for (i = 0; i < WIL6210_MAX_TX_RINGS; i++) { + for (i = min_ring_id; i < WIL6210_MAX_TX_RINGS; i++) { v = &wil->ring_tx[i]; txdata = &wil->ring_tx_data[i]; if (!v->va || !txdata->enabled || txdata->mid != vif->mid) @@ -2201,3 +2175,25 @@ int wil_tx_complete(struct wil6210_vif *vif, int ringid) return done; } + +static inline int wil_tx_init(struct wil6210_priv *wil) +{ + return 0; +} + +static inline void wil_tx_fini(struct wil6210_priv *wil) {} + +void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil) +{ + wil->txrx_ops.configure_interrupt_moderation = + wil_configure_interrupt_moderation; + /* TX ops */ + wil->txrx_ops.ring_init_tx = wil_vring_init_tx; + wil->txrx_ops.ring_fini_tx = wil_vring_free; + wil->txrx_ops.ring_init_bcast = wil_vring_init_bcast; + wil->txrx_ops.tx_init = wil_tx_init; + wil->txrx_ops.tx_fini = wil_tx_fini; + /* RX ops */ + wil->txrx_ops.rx_init = wil_rx_init; + wil->txrx_ops.rx_fini = wil_rx_fini; +} diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h index 66217f815726..4e3781d9e7ec 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.h +++ b/drivers/net/wireless/ath/wil6210/txrx.h @@ -570,6 +570,12 @@ static inline int wil_ring_avail_tx(struct wil_ring *ring) return ring->size - wil_ring_used_tx(ring) - 1; } +static inline int wil_get_min_tx_ring_id(struct wil6210_priv *wil) +{ + /* In Enhanced DMA ring 0 is reserved for RX */ + return wil->use_enhanced_dma_hw ? 1 : 0; +} + void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev); void wil_rx_reorder(struct wil6210_priv *wil, struct sk_buff *skb); void wil_rx_bar(struct wil6210_priv *wil, struct wil6210_vif *vif, @@ -578,5 +584,7 @@ struct wil_tid_ampdu_rx *wil_tid_ampdu_rx_alloc(struct wil6210_priv *wil, int size, u16 ssn); void wil_tid_ampdu_rx_free(struct wil6210_priv *wil, struct wil_tid_ampdu_rx *r); +void wil_tx_data_init(struct wil_ring_tx_data *txdata); +void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil); #endif /* WIL6210_TXRX_H */ diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c new file mode 100644 index 000000000000..9773d400808d --- /dev/null +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -0,0 +1,719 @@ +/* + * Copyright (c) 2012-2018 The Linux Foundation. All rights reserved. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include +#include +#include +#include +#include +#include +#include +#include "wil6210.h" +#include "txrx_edma.h" +#include "txrx.h" + +#define WIL_EDMA_MAX_DATA_OFFSET (2) + +static void wil_tx_desc_unmap_edma(struct device *dev, + struct wil_tx_enhanced_desc *d, + struct wil_ctx *ctx) +{ + dma_addr_t pa = wil_tx_desc_get_addr_edma(&d->dma); + u16 dmalen = le16_to_cpu(d->dma.length); + + switch (ctx->mapped_as) { + case wil_mapped_as_single: + dma_unmap_single(dev, pa, dmalen, DMA_TO_DEVICE); + break; + case wil_mapped_as_page: + dma_unmap_page(dev, pa, dmalen, DMA_TO_DEVICE); + break; + default: + break; + } +} + +static int wil_find_free_sring(struct wil6210_priv *wil) +{ + int i; + + for (i = 0; i < WIL6210_MAX_STATUS_RINGS; i++) { + if (!wil->srings[i].va) + return i; + } + + return -EINVAL; +} + +static void wil_sring_free(struct wil6210_priv *wil, + struct wil_status_ring *sring) +{ + struct device *dev = wil_to_dev(wil); + size_t sz; + + if (!sring || !sring->va) + return; + + sz = sring->elem_size * sring->size; + + wil_dbg_misc(wil, "status_ring_free, size(bytes)=%zu, 0x%p:%pad\n", + sz, sring->va, &sring->pa); + + dma_free_coherent(dev, sz, (void *)sring->va, sring->pa); + sring->pa = 0; + sring->va = NULL; +} + +static int wil_sring_alloc(struct wil6210_priv *wil, + struct wil_status_ring *sring) +{ + struct device *dev = wil_to_dev(wil); + size_t sz = sring->elem_size * sring->size; + + wil_dbg_misc(wil, "status_ring_alloc: size=%zu\n", sz); + + if (sz == 0) { + wil_err(wil, "Cannot allocate a zero size status ring\n"); + return -EINVAL; + } + + sring->swhead = 0; + + /* Status messages are allocated and initialized to 0. This is necessary + * since DR bit should be initialized to 0. + */ + sring->va = dma_zalloc_coherent(dev, sz, &sring->pa, GFP_KERNEL); + if (!sring->va) + return -ENOMEM; + + wil_dbg_misc(wil, "status_ring[%d] 0x%p:%pad\n", sring->size, sring->va, + &sring->pa); + + return 0; +} + +static int wil_tx_init_edma(struct wil6210_priv *wil) +{ + int ring_id = wil_find_free_sring(wil); + struct wil_status_ring *sring; + int rc; + u16 status_ring_size; + + if (wil->tx_status_ring_order < WIL_SRING_SIZE_ORDER_MIN || + wil->tx_status_ring_order > WIL_SRING_SIZE_ORDER_MAX) + wil->tx_status_ring_order = WIL_TX_SRING_SIZE_ORDER_DEFAULT; + + status_ring_size = 1 << wil->tx_status_ring_order; + + wil_dbg_misc(wil, "init TX sring: size=%u, ring_id=%u\n", + status_ring_size, ring_id); + + if (ring_id < 0) + return ring_id; + + /* Allocate Tx status ring. Tx descriptor rings will be + * allocated on WMI connect event + */ + sring = &wil->srings[ring_id]; + + sring->is_rx = false; + sring->size = status_ring_size; + sring->elem_size = sizeof(struct wil_ring_tx_status); + rc = wil_sring_alloc(wil, sring); + if (rc) + return rc; + + rc = wil_wmi_tx_sring_cfg(wil, ring_id); + if (rc) + goto out_free; + + sring->desc_rdy_pol = 1; + wil->tx_sring_idx = ring_id; + + return 0; +out_free: + wil_sring_free(wil, sring); + return rc; +} + +/** + * Allocate one skb for Rx descriptor RING + */ +static int wil_ring_alloc_skb_edma(struct wil6210_priv *wil, + struct wil_ring *ring, u32 i) +{ + struct device *dev = wil_to_dev(wil); + unsigned int sz = wil->rx_buf_len + ETH_HLEN + + WIL_EDMA_MAX_DATA_OFFSET; + dma_addr_t pa; + u16 buff_id; + struct list_head *active = &wil->rx_buff_mgmt.active; + struct list_head *free = &wil->rx_buff_mgmt.free; + struct wil_rx_buff *rx_buff; + struct wil_rx_buff *buff_arr = wil->rx_buff_mgmt.buff_arr; + struct sk_buff *skb; + struct wil_rx_enhanced_desc dd, *d = ⅆ + struct wil_rx_enhanced_desc *_d = (struct wil_rx_enhanced_desc *) + &ring->va[i].rx.enhanced; + + if (unlikely(list_empty(free))) { + wil->rx_buff_mgmt.free_list_empty_cnt++; + return -EAGAIN; + } + + skb = dev_alloc_skb(sz); + if (unlikely(!skb)) + return -ENOMEM; + + skb_put(skb, sz); + + pa = dma_map_single(dev, skb->data, skb->len, DMA_FROM_DEVICE); + if (unlikely(dma_mapping_error(dev, pa))) { + kfree_skb(skb); + return -ENOMEM; + } + + /* Get the buffer ID - the index of the rx buffer in the buff_arr */ + rx_buff = list_first_entry(free, struct wil_rx_buff, list); + buff_id = rx_buff->id; + + /* Move a buffer from the free list to the active list */ + list_move(&rx_buff->list, active); + + buff_arr[buff_id].skb = skb; + + wil_desc_set_addr_edma(&d->dma.addr, &d->dma.addr_high_high, pa); + d->dma.length = cpu_to_le16(sz); + d->mac.buff_id = cpu_to_le16(buff_id); + *_d = *d; + + /* Save the physical address in skb->cb for later use in dma_unmap */ + memcpy(skb->cb, &pa, sizeof(pa)); + + return 0; +} + +static int wil_rx_refill_edma(struct wil6210_priv *wil) +{ + struct wil_ring *ring = &wil->ring_rx; + u32 next_head; + int rc = 0; + u32 swtail = *ring->edma_rx_swtail.va; + + for (; next_head = wil_ring_next_head(ring), (next_head != swtail); + ring->swhead = next_head) { + rc = wil_ring_alloc_skb_edma(wil, ring, ring->swhead); + if (unlikely(rc)) { + if (rc == -EAGAIN) + wil_dbg_txrx(wil, "No free buffer ID found\n"); + else + wil_err_ratelimited(wil, + "Error %d in refill desc[%d]\n", + rc, ring->swhead); + break; + } + } + + /* make sure all writes to descriptors (shared memory) are done before + * committing them to HW + */ + wmb(); + + wil_w(wil, ring->hwtail, ring->swhead); + + return rc; +} + +static void wil_move_all_rx_buff_to_free_list(struct wil6210_priv *wil, + struct wil_ring *ring) +{ + struct device *dev = wil_to_dev(wil); + u32 next_tail; + u32 swhead = (ring->swhead + 1) % ring->size; + dma_addr_t pa; + u16 dmalen; + + for (; next_tail = wil_ring_next_tail(ring), (next_tail != swhead); + ring->swtail = next_tail) { + struct wil_rx_enhanced_desc dd, *d = ⅆ + struct wil_rx_enhanced_desc *_d = + (struct wil_rx_enhanced_desc *) + &ring->va[ring->swtail].rx.enhanced; + struct sk_buff *skb; + u16 buff_id; + + *d = *_d; + pa = wil_rx_desc_get_addr_edma(&d->dma); + dmalen = le16_to_cpu(d->dma.length); + dma_unmap_single(dev, pa, dmalen, DMA_FROM_DEVICE); + + /* Extract the SKB from the rx_buff management array */ + buff_id = __le16_to_cpu(d->mac.buff_id); + if (buff_id >= wil->rx_buff_mgmt.size) { + wil_err(wil, "invalid buff_id %d\n", buff_id); + continue; + } + skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb; + wil->rx_buff_mgmt.buff_arr[buff_id].skb = NULL; + if (unlikely(!skb)) + wil_err(wil, "No Rx skb at buff_id %d\n", buff_id); + else + kfree_skb(skb); + + /* Move the buffer from the active to the free list */ + list_move(&wil->rx_buff_mgmt.buff_arr[buff_id].list, + &wil->rx_buff_mgmt.free); + } +} + +static void wil_free_rx_buff_arr(struct wil6210_priv *wil) +{ + struct wil_ring *ring = &wil->ring_rx; + + if (!wil->rx_buff_mgmt.buff_arr) + return; + + /* Move all the buffers to the free list in case active list is + * not empty in order to release all SKBs before deleting the array + */ + wil_move_all_rx_buff_to_free_list(wil, ring); + + kfree(wil->rx_buff_mgmt.buff_arr); + wil->rx_buff_mgmt.buff_arr = NULL; +} + +static int wil_init_rx_buff_arr(struct wil6210_priv *wil, + size_t size) +{ + struct wil_rx_buff *buff_arr; + struct list_head *active = &wil->rx_buff_mgmt.active; + struct list_head *free = &wil->rx_buff_mgmt.free; + int i; + + wil->rx_buff_mgmt.buff_arr = kcalloc(size, sizeof(struct wil_rx_buff), + GFP_KERNEL); + if (!wil->rx_buff_mgmt.buff_arr) + return -ENOMEM; + + /* Set list heads */ + INIT_LIST_HEAD(active); + INIT_LIST_HEAD(free); + + /* Linkify the list */ + buff_arr = wil->rx_buff_mgmt.buff_arr; + for (i = 0; i < size; i++) { + list_add(&buff_arr[i].list, free); + buff_arr[i].id = i; + } + + wil->rx_buff_mgmt.size = size; + + return 0; +} + +static int wil_init_rx_sring(struct wil6210_priv *wil, + u16 status_ring_size, + size_t elem_size, + u16 ring_id) +{ + struct wil_status_ring *sring = &wil->srings[ring_id]; + int rc; + + wil_dbg_misc(wil, "init RX sring: size=%u, ring_id=%u\n", sring->size, + ring_id); + + memset(&sring->rx_data, 0, sizeof(sring->rx_data)); + + sring->is_rx = true; + sring->size = status_ring_size; + sring->elem_size = elem_size; + rc = wil_sring_alloc(wil, sring); + if (rc) + return rc; + + rc = wil_wmi_rx_sring_add(wil, ring_id); + if (rc) + goto out_free; + + sring->desc_rdy_pol = 1; + + return 0; +out_free: + wil_sring_free(wil, sring); + return rc; +} + +static int wil_ring_alloc_desc_ring(struct wil6210_priv *wil, + struct wil_ring *ring) +{ + struct device *dev = wil_to_dev(wil); + size_t sz = ring->size * sizeof(ring->va[0]); + + wil_dbg_misc(wil, "alloc_desc_ring:\n"); + + BUILD_BUG_ON(sizeof(ring->va[0]) != 32); + + ring->swhead = 0; + ring->swtail = 0; + ring->ctx = kcalloc(ring->size, sizeof(ring->ctx[0]), GFP_KERNEL); + if (!ring->ctx) + goto err; + + ring->va = dma_zalloc_coherent(dev, sz, &ring->pa, GFP_KERNEL); + if (!ring->va) + goto err_free_ctx; + + if (ring->is_rx) { + sz = sizeof(*ring->edma_rx_swtail.va); + ring->edma_rx_swtail.va = + dma_zalloc_coherent(dev, sz, &ring->edma_rx_swtail.pa, + GFP_KERNEL); + if (!ring->edma_rx_swtail.va) + goto err_free_va; + } + + wil_dbg_misc(wil, "%s ring[%d] 0x%p:%pad 0x%p\n", + ring->is_rx ? "RX" : "TX", + ring->size, ring->va, &ring->pa, ring->ctx); + + return 0; +err_free_va: + dma_free_coherent(dev, ring->size * sizeof(ring->va[0]), + (void *)ring->va, ring->pa); + ring->va = NULL; +err_free_ctx: + kfree(ring->ctx); + ring->ctx = NULL; +err: + return -ENOMEM; +} + +static void wil_ring_free_edma(struct wil6210_priv *wil, struct wil_ring *ring) +{ + struct device *dev = wil_to_dev(wil); + size_t sz; + int ring_index = 0; + + if (!ring->va) + return; + + sz = ring->size * sizeof(ring->va[0]); + + lockdep_assert_held(&wil->mutex); + if (ring->is_rx) { + wil_dbg_misc(wil, "free Rx ring [%d] 0x%p:%pad 0x%p\n", + ring->size, ring->va, + &ring->pa, ring->ctx); + + wil_move_all_rx_buff_to_free_list(wil, ring); + goto out; + } + + /* TX ring */ + ring_index = ring - wil->ring_tx; + + wil_dbg_misc(wil, "free Tx ring %d [%d] 0x%p:%pad 0x%p\n", + ring_index, ring->size, ring->va, + &ring->pa, ring->ctx); + + while (!wil_ring_is_empty(ring)) { + struct wil_ctx *ctx; + + struct wil_tx_enhanced_desc dd, *d = ⅆ + struct wil_tx_enhanced_desc *_d = + (struct wil_tx_enhanced_desc *) + &ring->va[ring->swtail].tx.enhanced; + + ctx = &ring->ctx[ring->swtail]; + if (!ctx) { + wil_dbg_txrx(wil, + "ctx(%d) was already completed\n", + ring->swtail); + ring->swtail = wil_ring_next_tail(ring); + continue; + } + *d = *_d; + wil_tx_desc_unmap_edma(dev, d, ctx); + if (ctx->skb) + dev_kfree_skb_any(ctx->skb); + ring->swtail = wil_ring_next_tail(ring); + } + +out: + dma_free_coherent(dev, sz, (void *)ring->va, ring->pa); + kfree(ring->ctx); + ring->pa = 0; + ring->va = NULL; + ring->ctx = NULL; +} + +static int wil_init_rx_desc_ring(struct wil6210_priv *wil, u16 desc_ring_size, + int status_ring_id) +{ + struct wil_ring *ring = &wil->ring_rx; + int rc; + + wil_dbg_misc(wil, "init RX desc ring\n"); + + ring->size = desc_ring_size; + ring->is_rx = true; + rc = wil_ring_alloc_desc_ring(wil, ring); + if (rc) + return rc; + + rc = wil_wmi_rx_desc_ring_add(wil, status_ring_id); + if (rc) + goto out_free; + + return 0; +out_free: + wil_ring_free_edma(wil, ring); + return rc; +} + +static void wil_rx_buf_len_init_edma(struct wil6210_priv *wil) +{ + wil->rx_buf_len = rx_large_buf ? + WIL_MAX_ETH_MTU : TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD; +} + +static int wil_rx_init_edma(struct wil6210_priv *wil, u16 desc_ring_size) +{ + u16 status_ring_size; + struct wil_ring *ring = &wil->ring_rx; + int rc; + size_t elem_size = wil->use_compressed_rx_status ? + sizeof(struct wil_rx_status_compressed) : + sizeof(struct wil_rx_status_extended); + int i; + u16 max_rx_pl_per_desc; + + if (wil->rx_status_ring_order < WIL_SRING_SIZE_ORDER_MIN || + wil->rx_status_ring_order > WIL_SRING_SIZE_ORDER_MAX) + wil->rx_status_ring_order = WIL_RX_SRING_SIZE_ORDER_DEFAULT; + + status_ring_size = 1 << wil->rx_status_ring_order; + + wil_dbg_misc(wil, + "rx_init, desc_ring_size=%u, status_ring_size=%u, elem_size=%zu\n", + desc_ring_size, status_ring_size, elem_size); + + wil_rx_buf_len_init_edma(wil); + + max_rx_pl_per_desc = wil->rx_buf_len + ETH_HLEN + + WIL_EDMA_MAX_DATA_OFFSET; + + /* Use debugfs dbg_num_rx_srings if set, reserve one sring for TX */ + if (wil->num_rx_status_rings > WIL6210_MAX_STATUS_RINGS - 1) + wil->num_rx_status_rings = WIL6210_MAX_STATUS_RINGS - 1; + + wil_dbg_misc(wil, "rx_init: allocate %d status rings\n", + wil->num_rx_status_rings); + + rc = wil_wmi_cfg_def_rx_offload(wil, max_rx_pl_per_desc); + if (rc) + return rc; + + /* Allocate status ring */ + for (i = 0; i < wil->num_rx_status_rings; i++) { + int sring_id = wil_find_free_sring(wil); + + if (sring_id < 0) { + rc = -EFAULT; + goto err_free_status; + } + rc = wil_init_rx_sring(wil, status_ring_size, elem_size, + sring_id); + if (rc) + goto err_free_status; + } + + /* Allocate descriptor ring */ + rc = wil_init_rx_desc_ring(wil, desc_ring_size, + WIL_DEFAULT_RX_STATUS_RING_ID); + if (rc) + goto err_free_status; + + if (wil->rx_buff_id_count >= status_ring_size) { + wil_info(wil, + "rx_buff_id_count %d exceeds sring_size %d. set it to %d\n", + wil->rx_buff_id_count, status_ring_size, + status_ring_size - 1); + wil->rx_buff_id_count = status_ring_size - 1; + } + + /* Allocate Rx buffer array */ + rc = wil_init_rx_buff_arr(wil, wil->rx_buff_id_count); + if (rc) + goto err_free_desc; + + /* Fill descriptor ring with credits */ + rc = wil_rx_refill_edma(wil); + if (rc) + goto err_free_rx_buff_arr; + + return 0; +err_free_rx_buff_arr: + wil_free_rx_buff_arr(wil); +err_free_desc: + wil_ring_free_edma(wil, ring); +err_free_status: + for (i = 0; i < wil->num_rx_status_rings; i++) + wil_sring_free(wil, &wil->srings[i]); + + return rc; +} + +static int wil_ring_init_tx_edma(struct wil6210_vif *vif, int ring_id, + int size, int cid, int tid) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + int rc; + struct wil_ring *ring = &wil->ring_tx[ring_id]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_id]; + + lockdep_assert_held(&wil->mutex); + + wil_dbg_misc(wil, + "init TX ring: ring_id=%u, cid=%u, tid=%u, sring_id=%u\n", + ring_id, cid, tid, wil->tx_sring_idx); + + wil_tx_data_init(txdata); + ring->size = size; + rc = wil_ring_alloc_desc_ring(wil, ring); + if (rc) + goto out; + + wil->ring2cid_tid[ring_id][0] = cid; + wil->ring2cid_tid[ring_id][1] = tid; + if (!vif->privacy) + txdata->dot1x_open = true; + + rc = wil_wmi_tx_desc_ring_add(vif, ring_id, cid, tid); + if (rc) { + wil_err(wil, "WMI_TX_DESC_RING_ADD_CMD failed\n"); + goto out_free; + } + + if (txdata->dot1x_open && agg_wsize >= 0) + wil_addba_tx_request(wil, ring_id, agg_wsize); + + return 0; + out_free: + spin_lock_bh(&txdata->lock); + txdata->dot1x_open = false; + txdata->enabled = 0; + spin_unlock_bh(&txdata->lock); + wil_ring_free_edma(wil, ring); + wil->ring2cid_tid[ring_id][0] = WIL6210_MAX_CID; + wil->ring2cid_tid[ring_id][1] = 0; + + out: + return rc; +} + +static int wil_ring_init_bcast_edma(struct wil6210_vif *vif, int ring_id, + int size) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + struct wil_ring *ring = &wil->ring_tx[ring_id]; + int rc; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_id]; + + wil_dbg_misc(wil, "init bcast: ring_id=%d, sring_id=%d\n", + ring_id, wil->tx_sring_idx); + + lockdep_assert_held(&wil->mutex); + + wil_tx_data_init(txdata); + ring->size = size; + ring->is_rx = false; + rc = wil_ring_alloc_desc_ring(wil, ring); + if (rc) + goto out; + + wil->ring2cid_tid[ring_id][0] = WIL6210_MAX_CID; /* CID */ + wil->ring2cid_tid[ring_id][1] = 0; /* TID */ + if (!vif->privacy) + txdata->dot1x_open = true; + + rc = wil_wmi_bcast_desc_ring_add(vif, ring_id); + if (rc) + goto out_free; + + return 0; + + out_free: + spin_lock_bh(&txdata->lock); + txdata->enabled = 0; + txdata->dot1x_open = false; + spin_unlock_bh(&txdata->lock); + wil_ring_free_edma(wil, ring); + +out: + return rc; +} + +static void wil_tx_fini_edma(struct wil6210_priv *wil) +{ + struct wil_status_ring *sring = &wil->srings[wil->tx_sring_idx]; + + wil_dbg_misc(wil, "free TX sring\n"); + + wil_sring_free(wil, sring); +} + +static void wil_rx_data_free(struct wil_status_ring *sring) +{ + if (!sring) + return; + + kfree_skb(sring->rx_data.skb); + sring->rx_data.skb = NULL; +} + +static void wil_rx_fini_edma(struct wil6210_priv *wil) +{ + struct wil_ring *ring = &wil->ring_rx; + int i; + + wil_dbg_misc(wil, "rx_fini_edma\n"); + + wil_ring_free_edma(wil, ring); + + for (i = 0; i < wil->num_rx_status_rings; i++) { + wil_rx_data_free(&wil->srings[i]); + wil_sring_free(wil, &wil->srings[i]); + } + + wil_free_rx_buff_arr(wil); +} + +void wil_init_txrx_ops_edma(struct wil6210_priv *wil) +{ + wil->txrx_ops.configure_interrupt_moderation = + wil_configure_interrupt_moderation_edma; + /* TX ops */ + wil->txrx_ops.ring_init_tx = wil_ring_init_tx_edma; + wil->txrx_ops.ring_fini_tx = wil_ring_free_edma; + wil->txrx_ops.ring_init_bcast = wil_ring_init_bcast_edma; + wil->txrx_ops.tx_init = wil_tx_init_edma; + wil->txrx_ops.tx_fini = wil_tx_fini_edma; + /* RX ops */ + wil->txrx_ops.rx_init = wil_rx_init_edma; + wil->txrx_ops.rx_fini = wil_rx_fini_edma; +} + diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.h b/drivers/net/wireless/ath/wil6210/txrx_edma.h index 14e0b6ce6dc4..c6f500b5150f 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.h +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.h @@ -19,6 +19,25 @@ #include "wil6210.h" +/* limit status ring size in range [ring size..max ring size] */ +#define WIL_SRING_SIZE_ORDER_MIN (WIL_RING_SIZE_ORDER_MIN) +#define WIL_SRING_SIZE_ORDER_MAX (WIL_RING_SIZE_ORDER_MAX) +/* RX sring order should be bigger than RX ring order */ +#define WIL_RX_SRING_SIZE_ORDER_DEFAULT (11) +#define WIL_TX_SRING_SIZE_ORDER_DEFAULT (12) +#define WIL_RX_BUFF_ARR_SIZE_DEFAULT (1536) + +#define WIL_DEFAULT_RX_STATUS_RING_ID 0 +#define WIL_RX_DESC_RING_ID 0 +#define WIL_RX_STATUS_IRQ_IDX 0 +#define WIL_TX_STATUS_IRQ_IDX 1 + +#define WIL_EDMA_AGG_WATERMARK (0xffff) +#define WIL_EDMA_AGG_WATERMARK_POS (16) + +#define WIL_EDMA_IDLE_TIME_LIMIT_USEC (50) +#define WIL_EDMA_TIME_UNIT_CLK_CYCLES (330) /* fits 1 usec */ + /* Enhanced Rx descriptor - MAC part * [dword 0] : Reserved * [dword 1] : Reserved @@ -216,7 +235,7 @@ struct wil_ring_tx_status { * bit 22..23 : CB mode:2 - The CB Mode: 0-DMG, 1-EDMG, 2-Wide * bit 24..27 : Data Offset:4 - The data offset, a code that describe the * payload shift from the beginning of the buffer: - * 0 - 0 Bytes, 1 - 2 Bytes, 2 - 6 Bytes + * 0 - 0 Bytes, 3 - 2 Bytes * bit 28 : A-MSDU Present:1 - The QoS (b7) A-MSDU present field * bit 29 : A-MSDU Type:1 The QoS (b8) A-MSDU Type field * bit 30 : A-MPDU:1 - Packet is part of aggregated MPDU @@ -286,5 +305,38 @@ struct wil_rx_status_extended { struct wil_rx_status_extension ext; }; +static inline u32 wil_ring_next_head(struct wil_ring *ring) +{ + return (ring->swhead + 1) % ring->size; +} + +static inline void wil_desc_set_addr_edma(struct wil_ring_dma_addr *addr, + __le16 *addr_high_high, + dma_addr_t pa) +{ + addr->addr_low = cpu_to_le32(lower_32_bits(pa)); + addr->addr_high = cpu_to_le16((u16)upper_32_bits(pa)); + *addr_high_high = cpu_to_le16((u16)(upper_32_bits(pa) >> 16)); +} + +static inline +dma_addr_t wil_tx_desc_get_addr_edma(struct wil_ring_tx_enhanced_dma *dma) +{ + return le32_to_cpu(dma->addr.addr_low) | + ((u64)le16_to_cpu(dma->addr.addr_high) << 32) | + ((u64)le16_to_cpu(dma->addr_high_high) << 48); +} + +static inline +dma_addr_t wil_rx_desc_get_addr_edma(struct wil_ring_rx_enhanced_dma *dma) +{ + return le32_to_cpu(dma->addr.addr_low) | + ((u64)le16_to_cpu(dma->addr.addr_high) << 32) | + ((u64)le16_to_cpu(dma->addr_high_high) << 48); +} + +void wil_configure_interrupt_moderation_edma(struct wil6210_priv *wil); +void wil_init_txrx_ops_edma(struct wil6210_priv *wil); + #endif /* WIL6210_TXRX_EDMA_H */ diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 810ed5b8e558..bc049b640d59 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -37,6 +37,9 @@ extern bool rx_large_buf; extern bool debug_fw; extern bool disable_ap_sme; +struct wil6210_priv; +struct wil6210_vif; + #define WIL_NAME "wil6210" #define WIL_FW_NAME_DEFAULT "wil6210.fw" @@ -307,6 +310,18 @@ struct RGF_ICR { #define RGF_CAF_PLL_LOCK_STATUS (0x88afec) #define BIT_CAF_OSC_DIG_XTAL_STABLE BIT(0) +/* eDMA */ +#define RGF_INT_COUNT_ON_SPECIAL_EVT (0x8b62d8) + +#define RGF_INT_CTRL_INT_GEN_CFG_0 (0x8bc000) +#define RGF_INT_CTRL_INT_GEN_CFG_1 (0x8bc004) +#define RGF_INT_GEN_TIME_UNIT_LIMIT (0x8bc0c8) + +#define RGF_INT_GEN_CTRL (0x8bc0ec) + #define BIT_CONTROL_0 BIT(0) + +#define RGF_INT_GEN_IDLE_TIME_LIMIT (0x8bc134) + #define USER_EXT_USER_PMU_3 (0x88d00c) #define BIT_PMU_DEVICE_RDY BIT(0) @@ -512,6 +527,24 @@ struct wil_status_ring { struct wil_ring_rx_data rx_data; }; +/** + * struct tx_rx_ops - different TX/RX ops for legacy and enhanced + * DMA flow + */ +struct wil_txrx_ops { + void (*configure_interrupt_moderation)(struct wil6210_priv *wil); + /* TX ops */ + int (*ring_init_tx)(struct wil6210_vif *vif, int ring_id, + int size, int cid, int tid); + void (*ring_fini_tx)(struct wil6210_priv *wil, struct wil_ring *ring); + int (*ring_init_bcast)(struct wil6210_vif *vif, int id, int size); + int (*tx_init)(struct wil6210_priv *wil); + void (*tx_fini)(struct wil6210_priv *wil); + /* RX ops */ + int (*rx_init)(struct wil6210_priv *wil, u16 ring_size); + void (*rx_fini)(struct wil6210_priv *wil); +}; + /** * Additional data for Tx ring */ @@ -848,12 +881,15 @@ struct wil6210_priv { struct wil_ring ring_tx[WIL6210_MAX_TX_RINGS]; struct wil_ring_tx_data ring_tx_data[WIL6210_MAX_TX_RINGS]; struct wil_status_ring srings[WIL6210_MAX_STATUS_RINGS]; - int num_rx_status_rings; + u8 num_rx_status_rings; + int tx_sring_idx; u8 ring2cid_tid[WIL6210_MAX_TX_RINGS][2]; /* [0] - CID, [1] - TID */ struct wil_sta_info sta[WIL6210_MAX_CID]; u32 ring_idle_trsh; /* HW fetches up to 16 descriptors at once */ u32 dma_addr_size; /* indicates dma addr size */ struct wil_rx_buff_mgmt rx_buff_mgmt; + bool use_enhanced_dma_hw; + struct wil_txrx_ops txrx_ops; struct mutex mutex; /* for wil6210_priv access in wil_{up|down} */ /* statistics */ @@ -896,6 +932,12 @@ struct wil6210_priv { u32 rgf_fw_assert_code_addr; u32 rgf_ucode_assert_code_addr; u32 iccm_base; + + /* relevant only for eDMA */ + bool use_compressed_rx_status; + u32 rx_status_ring_order; + u32 tx_status_ring_order; + u32 rx_buff_id_count; }; #define wil_to_wiphy(i) (i->wiphy) @@ -1168,14 +1210,10 @@ void wil_probe_client_flush(struct wil6210_vif *vif); void wil_probe_client_worker(struct work_struct *work); void wil_disconnect_worker(struct work_struct *work); -int wil_rx_init(struct wil6210_priv *wil, u16 size); -void wil_rx_fini(struct wil6210_priv *wil); +void wil_init_txrx_ops(struct wil6210_priv *wil); /* TX API */ -int wil_vring_init_tx(struct wil6210_vif *vif, int id, int size, - int cid, int tid); -void wil_ring_fini_tx(struct wil6210_priv *wil, int id); -int wil_tx_init(struct wil6210_vif *vif, int cid); +int wil_ring_init_tx(struct wil6210_vif *vif, int cid); int wil_vring_init_bcast(struct wil6210_vif *vif, int id, int size); int wil_bcast_init(struct wil6210_vif *vif); void wil_bcast_fini(struct wil6210_vif *vif); @@ -1227,4 +1265,14 @@ int wmi_start_sched_scan(struct wil6210_priv *wil, int wmi_stop_sched_scan(struct wil6210_priv *wil); int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len); +/* WMI for enhanced DMA */ +int wil_wmi_tx_sring_cfg(struct wil6210_priv *wil, int ring_id); +int wil_wmi_cfg_def_rx_offload(struct wil6210_priv *wil, + u16 max_rx_pl_per_desc); +int wil_wmi_rx_sring_add(struct wil6210_priv *wil, u16 ring_id); +int wil_wmi_rx_desc_ring_add(struct wil6210_priv *wil, int status_ring_id); +int wil_wmi_tx_desc_ring_add(struct wil6210_vif *vif, int ring_id, int cid, + int tid); +int wil_wmi_bcast_desc_ring_add(struct wil6210_vif *vif, int ring_id); + #endif /* __WIL6210_H__ */ diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 1cf802101dd9..b2e966df57f5 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -420,10 +420,10 @@ static const char *cmdid2name(u16 cmdid) return "WMI_DEL_STA_CMD"; case WMI_DISCONNECT_STA_CMDID: return "WMI_DISCONNECT_STA_CMD"; - case WMI_VRING_BA_EN_CMDID: - return "WMI_VRING_BA_EN_CMD"; - case WMI_VRING_BA_DIS_CMDID: - return "WMI_VRING_BA_DIS_CMD"; + case WMI_RING_BA_EN_CMDID: + return "WMI_RING_BA_EN_CMD"; + case WMI_RING_BA_DIS_CMDID: + return "WMI_RING_BA_DIS_CMD"; case WMI_RCP_DELBA_CMDID: return "WMI_RCP_DELBA_CMD"; case WMI_RCP_ADDBA_RESP_CMDID: @@ -450,6 +450,18 @@ static const char *cmdid2name(u16 cmdid) return "WMI_START_SCHED_SCAN_CMD"; case WMI_STOP_SCHED_SCAN_CMDID: return "WMI_STOP_SCHED_SCAN_CMD"; + case WMI_TX_STATUS_RING_ADD_CMDID: + return "WMI_TX_STATUS_RING_ADD_CMD"; + case WMI_RX_STATUS_RING_ADD_CMDID: + return "WMI_RX_STATUS_RING_ADD_CMD"; + case WMI_TX_DESC_RING_ADD_CMDID: + return "WMI_TX_DESC_RING_ADD_CMD"; + case WMI_RX_DESC_RING_ADD_CMDID: + return "WMI_RX_DESC_RING_ADD_CMD"; + case WMI_BCAST_DESC_RING_ADD_CMDID: + return "WMI_BCAST_DESC_RING_ADD_CMD"; + case WMI_CFG_DEF_RX_OFFLOAD_CMDID: + return "WMI_CFG_DEF_RX_OFFLOAD_CMD"; default: return "Untracked CMD"; } @@ -504,8 +516,8 @@ static const char *eventid2name(u16 eventid) return "WMI_RCP_ADDBA_REQ_EVENT"; case WMI_DELBA_EVENTID: return "WMI_DELBA_EVENT"; - case WMI_VRING_EN_EVENTID: - return "WMI_VRING_EN_EVENT"; + case WMI_RING_EN_EVENTID: + return "WMI_RING_EN_EVENT"; case WMI_DATA_PORT_OPEN_EVENTID: return "WMI_DATA_PORT_OPEN_EVENT"; case WMI_AOA_MEAS_EVENTID: @@ -574,6 +586,16 @@ static const char *eventid2name(u16 eventid) return "WMI_STOP_SCHED_SCAN_EVENT"; case WMI_SCHED_SCAN_RESULT_EVENTID: return "WMI_SCHED_SCAN_RESULT_EVENT"; + case WMI_TX_STATUS_RING_CFG_DONE_EVENTID: + return "WMI_TX_STATUS_RING_CFG_DONE_EVENT"; + case WMI_RX_STATUS_RING_CFG_DONE_EVENTID: + return "WMI_RX_STATUS_RING_CFG_DONE_EVENT"; + case WMI_TX_DESC_RING_CFG_DONE_EVENTID: + return "WMI_TX_DESC_RING_CFG_DONE_EVENT"; + case WMI_RX_DESC_RING_CFG_DONE_EVENTID: + return "WMI_RX_DESC_RING_CFG_DONE_EVENT"; + case WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENTID: + return "WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENT"; default: return "Untracked EVENT"; } @@ -961,7 +983,7 @@ static void wmi_evt_connect(struct wil6210_vif *vif, int id, void *d, int len) wil->sta[evt->cid].mid = vif->mid; wil->sta[evt->cid].status = wil_sta_conn_pending; - rc = wil_tx_init(vif, evt->cid); + rc = wil_ring_init_tx(vif, evt->cid); if (rc) { wil_err(wil, "config tx vring failed for CID %d, rc (%d)\n", evt->cid, rc); @@ -1118,11 +1140,11 @@ static void wmi_evt_eapol_rx(struct wil6210_vif *vif, int id, void *d, int len) } } -static void wmi_evt_vring_en(struct wil6210_vif *vif, int id, void *d, int len) +static void wmi_evt_ring_en(struct wil6210_vif *vif, int id, void *d, int len) { struct wil6210_priv *wil = vif_to_wil(vif); - struct wmi_vring_en_event *evt = d; - u8 vri = evt->vring_index; + struct wmi_ring_en_event *evt = d; + u8 vri = evt->ring_index; struct wireless_dev *wdev = vif_to_wdev(vif); wil_dbg_wmi(wil, "Enable vring %d MID %d\n", vri, vif->mid); @@ -1332,7 +1354,7 @@ static const struct { {WMI_BA_STATUS_EVENTID, wmi_evt_ba_status}, {WMI_RCP_ADDBA_REQ_EVENTID, wmi_evt_addba_rx_req}, {WMI_DELBA_EVENTID, wmi_evt_delba}, - {WMI_VRING_EN_EVENTID, wmi_evt_vring_en}, + {WMI_RING_EN_EVENTID, wmi_evt_ring_en}, {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_ignore}, {WMI_SCHED_SCAN_RESULT_EVENTID, wmi_evt_sched_scan_result}, }; @@ -2118,8 +2140,8 @@ int wmi_disconnect_sta(struct wil6210_vif *vif, const u8 *mac, int wmi_addba(struct wil6210_priv *wil, u8 mid, u8 ringid, u8 size, u16 timeout) { - struct wmi_vring_ba_en_cmd cmd = { - .ringid = ringid, + struct wmi_ring_ba_en_cmd cmd = { + .ring_id = ringid, .agg_max_wsize = size, .ba_timeout = cpu_to_le16(timeout), .amsdu = 0, @@ -2128,19 +2150,19 @@ int wmi_addba(struct wil6210_priv *wil, u8 mid, wil_dbg_wmi(wil, "addba: (ring %d size %d timeout %d)\n", ringid, size, timeout); - return wmi_send(wil, WMI_VRING_BA_EN_CMDID, mid, &cmd, sizeof(cmd)); + return wmi_send(wil, WMI_RING_BA_EN_CMDID, mid, &cmd, sizeof(cmd)); } int wmi_delba_tx(struct wil6210_priv *wil, u8 mid, u8 ringid, u16 reason) { - struct wmi_vring_ba_dis_cmd cmd = { - .ringid = ringid, + struct wmi_ring_ba_dis_cmd cmd = { + .ring_id = ringid, .reason = cpu_to_le16(reason), }; wil_dbg_wmi(wil, "delba_tx: (ring %d reason %d)\n", ringid, reason); - return wmi_send(wil, WMI_VRING_BA_DIS_CMDID, mid, &cmd, sizeof(cmd)); + return wmi_send(wil, WMI_RING_BA_DIS_CMDID, mid, &cmd, sizeof(cmd)); } int wmi_delba_rx(struct wil6210_priv *wil, u8 mid, u8 cidxtid, u16 reason) @@ -2907,3 +2929,263 @@ int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len) return rc; } + +int wil_wmi_tx_sring_cfg(struct wil6210_priv *wil, int ring_id) +{ + int rc; + struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); + struct wil_status_ring *sring = &wil->srings[ring_id]; + struct wmi_tx_status_ring_add_cmd cmd = { + .ring_cfg = { + .ring_size = cpu_to_le16(sring->size), + }, + .irq_index = WIL_TX_STATUS_IRQ_IDX + }; + struct { + struct wmi_cmd_hdr hdr; + struct wmi_tx_status_ring_cfg_done_event evt; + } __packed reply = { + .evt = {.status = WMI_FW_STATUS_FAILURE}, + }; + + cmd.ring_cfg.ring_id = ring_id; + + cmd.ring_cfg.ring_mem_base = cpu_to_le64(sring->pa); + rc = wmi_call(wil, WMI_TX_STATUS_RING_ADD_CMDID, vif->mid, &cmd, + sizeof(cmd), WMI_TX_STATUS_RING_CFG_DONE_EVENTID, + &reply, sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) { + wil_err(wil, "TX_STATUS_RING_ADD_CMD failed, rc %d\n", rc); + return rc; + } + + if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { + wil_err(wil, "TX_STATUS_RING_ADD_CMD failed, status %d\n", + reply.evt.status); + return -EINVAL; + } + + sring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); + + return 0; +} + +int wil_wmi_cfg_def_rx_offload(struct wil6210_priv *wil, u16 max_rx_pl_per_desc) +{ + struct net_device *ndev = wil->main_ndev; + struct wil6210_vif *vif = ndev_to_vif(ndev); + int rc; + struct wmi_cfg_def_rx_offload_cmd cmd = { + .max_msdu_size = cpu_to_le16(wil_mtu2macbuf(WIL_MAX_ETH_MTU)), + .max_rx_pl_per_desc = cpu_to_le16(max_rx_pl_per_desc), + .decap_trans_type = WMI_DECAP_TYPE_802_3, + .l2_802_3_offload_ctrl = 0, + .l3_l4_ctrl = 1 << L3_L4_CTRL_TCPIP_CHECKSUM_EN_POS, + }; + struct { + struct wmi_cmd_hdr hdr; + struct wmi_cfg_def_rx_offload_done_event evt; + } __packed reply = { + .evt = {.status = WMI_FW_STATUS_FAILURE}, + }; + + rc = wmi_call(wil, WMI_CFG_DEF_RX_OFFLOAD_CMDID, vif->mid, &cmd, + sizeof(cmd), WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENTID, &reply, + sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) { + wil_err(wil, "WMI_CFG_DEF_RX_OFFLOAD_CMD failed, rc %d\n", rc); + return rc; + } + + if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { + wil_err(wil, "WMI_CFG_DEF_RX_OFFLOAD_CMD failed, status %d\n", + reply.evt.status); + return -EINVAL; + } + + return 0; +} + +int wil_wmi_rx_sring_add(struct wil6210_priv *wil, u16 ring_id) +{ + struct net_device *ndev = wil->main_ndev; + struct wil6210_vif *vif = ndev_to_vif(ndev); + struct wil_status_ring *sring = &wil->srings[ring_id]; + int rc; + struct wmi_rx_status_ring_add_cmd cmd = { + .ring_cfg = { + .ring_size = cpu_to_le16(sring->size), + .ring_id = ring_id, + }, + .rx_msg_type = wil->use_compressed_rx_status ? + WMI_RX_MSG_TYPE_COMPRESSED : + WMI_RX_MSG_TYPE_EXTENDED, + .irq_index = WIL_RX_STATUS_IRQ_IDX, + }; + struct { + struct wmi_cmd_hdr hdr; + struct wmi_rx_status_ring_cfg_done_event evt; + } __packed reply = { + .evt = {.status = WMI_FW_STATUS_FAILURE}, + }; + + cmd.ring_cfg.ring_mem_base = cpu_to_le64(sring->pa); + rc = wmi_call(wil, WMI_RX_STATUS_RING_ADD_CMDID, vif->mid, &cmd, + sizeof(cmd), WMI_RX_STATUS_RING_CFG_DONE_EVENTID, &reply, + sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) { + wil_err(wil, "RX_STATUS_RING_ADD_CMD failed, rc %d\n", rc); + return rc; + } + + if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { + wil_err(wil, "RX_STATUS_RING_ADD_CMD failed, status %d\n", + reply.evt.status); + return -EINVAL; + } + + sring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); + + return 0; +} + +int wil_wmi_rx_desc_ring_add(struct wil6210_priv *wil, int status_ring_id) +{ + struct net_device *ndev = wil->main_ndev; + struct wil6210_vif *vif = ndev_to_vif(ndev); + struct wil_ring *ring = &wil->ring_rx; + int rc; + struct wmi_rx_desc_ring_add_cmd cmd = { + .ring_cfg = { + .ring_size = cpu_to_le16(ring->size), + .ring_id = WIL_RX_DESC_RING_ID, + }, + .status_ring_id = status_ring_id, + .irq_index = WIL_RX_STATUS_IRQ_IDX, + }; + struct { + struct wmi_cmd_hdr hdr; + struct wmi_rx_desc_ring_cfg_done_event evt; + } __packed reply = { + .evt = {.status = WMI_FW_STATUS_FAILURE}, + }; + + cmd.ring_cfg.ring_mem_base = cpu_to_le64(ring->pa); + cmd.sw_tail_host_addr = cpu_to_le64(ring->edma_rx_swtail.pa); + rc = wmi_call(wil, WMI_RX_DESC_RING_ADD_CMDID, vif->mid, &cmd, + sizeof(cmd), WMI_RX_DESC_RING_CFG_DONE_EVENTID, &reply, + sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) { + wil_err(wil, "WMI_RX_DESC_RING_ADD_CMD failed, rc %d\n", rc); + return rc; + } + + if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { + wil_err(wil, "WMI_RX_DESC_RING_ADD_CMD failed, status %d\n", + reply.evt.status); + return -EINVAL; + } + + ring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); + + return 0; +} + +int wil_wmi_tx_desc_ring_add(struct wil6210_vif *vif, int ring_id, int cid, + int tid) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + int sring_id = wil->tx_sring_idx; /* there is only one TX sring */ + int rc; + struct wil_ring *ring = &wil->ring_tx[ring_id]; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_id]; + struct wmi_tx_desc_ring_add_cmd cmd = { + .ring_cfg = { + .ring_size = cpu_to_le16(ring->size), + .ring_id = ring_id, + }, + .status_ring_id = sring_id, + .cid = cid, + .tid = tid, + .encap_trans_type = WMI_VRING_ENC_TYPE_802_3, + .max_msdu_size = cpu_to_le16(wil_mtu2macbuf(mtu_max)), + .schd_params = { + .priority = cpu_to_le16(0), + .timeslot_us = cpu_to_le16(0xfff), + } + }; + struct { + struct wmi_cmd_hdr hdr; + struct wmi_tx_desc_ring_cfg_done_event evt; + } __packed reply = { + .evt = {.status = WMI_FW_STATUS_FAILURE}, + }; + + cmd.ring_cfg.ring_mem_base = cpu_to_le64(ring->pa); + rc = wmi_call(wil, WMI_TX_DESC_RING_ADD_CMDID, vif->mid, &cmd, + sizeof(cmd), WMI_TX_DESC_RING_CFG_DONE_EVENTID, &reply, + sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) { + wil_err(wil, "WMI_TX_DESC_RING_ADD_CMD failed, rc %d\n", rc); + return rc; + } + + if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { + wil_err(wil, "WMI_TX_DESC_RING_ADD_CMD failed, status %d\n", + reply.evt.status); + return -EINVAL; + } + + spin_lock_bh(&txdata->lock); + ring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); + txdata->mid = vif->mid; + txdata->enabled = 1; + spin_unlock_bh(&txdata->lock); + + return 0; +} + +int wil_wmi_bcast_desc_ring_add(struct wil6210_vif *vif, int ring_id) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + struct wil_ring *ring = &wil->ring_tx[ring_id]; + int rc; + struct wmi_bcast_desc_ring_add_cmd cmd = { + .ring_cfg = { + .ring_size = cpu_to_le16(ring->size), + .ring_id = ring_id, + }, + .status_ring_id = wil->tx_sring_idx, + .encap_trans_type = WMI_VRING_ENC_TYPE_802_3, + }; + struct { + struct wmi_cmd_hdr hdr; + struct wmi_rx_desc_ring_cfg_done_event evt; + } __packed reply = { + .evt = {.status = WMI_FW_STATUS_FAILURE}, + }; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_id]; + + cmd.ring_cfg.ring_mem_base = cpu_to_le64(ring->pa); + rc = wmi_call(wil, WMI_BCAST_DESC_RING_ADD_CMDID, vif->mid, &cmd, + sizeof(cmd), WMI_TX_DESC_RING_CFG_DONE_EVENTID, &reply, + sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) { + wil_err(wil, "WMI_BCAST_DESC_RING_ADD_CMD failed, rc %d\n", rc); + return rc; + } + + if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { + wil_err(wil, "Broadcast Tx config failed, status %d\n", + reply.evt.status); + return -EINVAL; + } + + spin_lock_bh(&txdata->lock); + ring->hwtail = le32_to_cpu(reply.evt.ring_tail_ptr); + txdata->mid = vif->mid; + txdata->enabled = 1; + spin_unlock_bh(&txdata->lock); + + return 0; +} diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index dc503d903786..38e788000801 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -148,8 +148,8 @@ enum wmi_command_id { WMI_CFG_RX_CHAIN_CMDID = 0x820, WMI_VRING_CFG_CMDID = 0x821, WMI_BCAST_VRING_CFG_CMDID = 0x822, - WMI_VRING_BA_EN_CMDID = 0x823, - WMI_VRING_BA_DIS_CMDID = 0x824, + WMI_RING_BA_EN_CMDID = 0x823, + WMI_RING_BA_DIS_CMDID = 0x824, WMI_RCP_ADDBA_RESP_CMDID = 0x825, WMI_RCP_DELBA_CMDID = 0x826, WMI_SET_SSID_CMDID = 0x827, @@ -163,6 +163,7 @@ enum wmi_command_id { WMI_BF_SM_MGMT_CMDID = 0x838, WMI_BF_RXSS_MGMT_CMDID = 0x839, WMI_BF_TRIG_CMDID = 0x83A, + WMI_RCP_ADDBA_RESP_EDMA_CMDID = 0x83B, WMI_LINK_MAINTAIN_CFG_WRITE_CMDID = 0x842, WMI_LINK_MAINTAIN_CFG_READ_CMDID = 0x843, WMI_SET_SECTORS_CMDID = 0x849, @@ -235,6 +236,12 @@ enum wmi_command_id { WMI_PRIO_TX_SECTORS_NUMBER_CMDID = 0x9A6, WMI_PRIO_TX_SECTORS_SET_DEFAULT_CFG_CMDID = 0x9A7, WMI_BF_CONTROL_CMDID = 0x9AA, + WMI_TX_STATUS_RING_ADD_CMDID = 0x9C0, + WMI_RX_STATUS_RING_ADD_CMDID = 0x9C1, + WMI_TX_DESC_RING_ADD_CMDID = 0x9C2, + WMI_RX_DESC_RING_ADD_CMDID = 0x9C3, + WMI_BCAST_DESC_RING_ADD_CMDID = 0x9C4, + WMI_CFG_DEF_RX_OFFLOAD_CMDID = 0x9C5, WMI_SCHEDULING_SCHEME_CMDID = 0xA01, WMI_FIXED_SCHEDULING_CONFIG_CMDID = 0xA02, WMI_ENABLE_FIXED_SCHEDULING_CMDID = 0xA03, @@ -781,18 +788,90 @@ struct wmi_lo_power_calib_from_otp_event { u8 reserved[3]; } __packed; -/* WMI_VRING_BA_EN_CMDID */ -struct wmi_vring_ba_en_cmd { - u8 ringid; +struct wmi_edma_ring_cfg { + __le64 ring_mem_base; + /* size in number of items */ + __le16 ring_size; + u8 ring_id; + u8 reserved; +} __packed; + +enum wmi_rx_msg_type { + WMI_RX_MSG_TYPE_COMPRESSED = 0x00, + WMI_RX_MSG_TYPE_EXTENDED = 0x01, +}; + +struct wmi_tx_status_ring_add_cmd { + struct wmi_edma_ring_cfg ring_cfg; + u8 irq_index; + u8 reserved[3]; +} __packed; + +struct wmi_rx_status_ring_add_cmd { + struct wmi_edma_ring_cfg ring_cfg; + u8 irq_index; + /* wmi_rx_msg_type */ + u8 rx_msg_type; + u8 reserved[2]; +} __packed; + +struct wmi_cfg_def_rx_offload_cmd { + __le16 max_msdu_size; + __le16 max_rx_pl_per_desc; + u8 decap_trans_type; + u8 l2_802_3_offload_ctrl; + u8 l2_nwifi_offload_ctrl; + u8 vlan_id; + u8 nwifi_ds_trans_type; + u8 l3_l4_ctrl; + u8 reserved[6]; +} __packed; + +struct wmi_tx_desc_ring_add_cmd { + struct wmi_edma_ring_cfg ring_cfg; + __le16 max_msdu_size; + /* Correlated status ring (0-63) */ + u8 status_ring_id; + u8 cid; + u8 tid; + u8 encap_trans_type; + u8 mac_ctrl; + u8 to_resolution; + u8 agg_max_wsize; + u8 reserved[3]; + struct wmi_vring_cfg_schd schd_params; +} __packed; + +struct wmi_rx_desc_ring_add_cmd { + struct wmi_edma_ring_cfg ring_cfg; + u8 irq_index; + /* 0-63 status rings */ + u8 status_ring_id; + u8 reserved[2]; + __le64 sw_tail_host_addr; +} __packed; + +struct wmi_bcast_desc_ring_add_cmd { + struct wmi_edma_ring_cfg ring_cfg; + __le16 max_msdu_size; + /* Correlated status ring (0-63) */ + u8 status_ring_id; + u8 encap_trans_type; + u8 reserved[4]; +} __packed; + +/* WMI_RING_BA_EN_CMDID */ +struct wmi_ring_ba_en_cmd { + u8 ring_id; u8 agg_max_wsize; __le16 ba_timeout; u8 amsdu; u8 reserved[3]; } __packed; -/* WMI_VRING_BA_DIS_CMDID */ -struct wmi_vring_ba_dis_cmd { - u8 ringid; +/* WMI_RING_BA_DIS_CMDID */ +struct wmi_ring_ba_dis_cmd { + u8 ring_id; u8 reserved; __le16 reason; } __packed; @@ -950,6 +1029,21 @@ struct wmi_rcp_addba_resp_cmd { u8 reserved[2]; } __packed; +/* WMI_RCP_ADDBA_RESP_EDMA_CMDID */ +struct wmi_rcp_addba_resp_edma_cmd { + u8 cid; + u8 tid; + u8 dialog_token; + u8 reserved; + __le16 status_code; + /* ieee80211_ba_parameterset field to send */ + __le16 ba_param_set; + __le16 ba_timeout; + u8 status_ring_id; + /* wmi_cfg_rx_chain_cmd_reorder_type */ + u8 reorder_type; +} __packed; + /* WMI_RCP_DELBA_CMDID */ struct wmi_rcp_delba_cmd { /* Used for cid less than 8. For higher cid set @@ -1535,7 +1629,7 @@ enum wmi_event_id { WMI_BF_CTRL_DONE_EVENTID = 0x1862, WMI_NOTIFY_REQ_DONE_EVENTID = 0x1863, WMI_GET_STATUS_DONE_EVENTID = 0x1864, - WMI_VRING_EN_EVENTID = 0x1865, + WMI_RING_EN_EVENTID = 0x1865, WMI_GET_RF_STATUS_EVENTID = 0x1866, WMI_GET_BASEBAND_TYPE_EVENTID = 0x1867, WMI_VRING_SWITCH_TIMING_CONFIG_EVENTID = 0x1868, @@ -1587,6 +1681,11 @@ enum wmi_event_id { WMI_PRIO_TX_SECTORS_NUMBER_EVENTID = 0x19A6, WMI_PRIO_TX_SECTORS_SET_DEFAULT_CFG_EVENTID = 0x19A7, WMI_BF_CONTROL_EVENTID = 0x19AA, + WMI_TX_STATUS_RING_CFG_DONE_EVENTID = 0x19C0, + WMI_RX_STATUS_RING_CFG_DONE_EVENTID = 0x19C1, + WMI_TX_DESC_RING_CFG_DONE_EVENTID = 0x19C2, + WMI_RX_DESC_RING_CFG_DONE_EVENTID = 0x19C3, + WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENTID = 0x19C5, WMI_SCHEDULING_SCHEME_EVENTID = 0x1A01, WMI_FIXED_SCHEDULING_CONFIG_COMPLETE_EVENTID = 0x1A02, WMI_ENABLE_FIXED_SCHEDULING_COMPLETE_EVENTID = 0x1A03, @@ -1997,6 +2096,49 @@ struct wmi_rcp_addba_resp_sent_event { u8 reserved2[2]; } __packed; +/* WMI_TX_STATUS_RING_CFG_DONE_EVENTID */ +struct wmi_tx_status_ring_cfg_done_event { + u8 ring_id; + /* wmi_fw_status */ + u8 status; + u8 reserved[2]; + __le32 ring_tail_ptr; +} __packed; + +/* WMI_RX_STATUS_RING_CFG_DONE_EVENTID */ +struct wmi_rx_status_ring_cfg_done_event { + u8 ring_id; + /* wmi_fw_status */ + u8 status; + u8 reserved[2]; + __le32 ring_tail_ptr; +} __packed; + +/* WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENTID */ +struct wmi_cfg_def_rx_offload_done_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + +/* WMI_TX_DESC_RING_CFG_DONE_EVENTID */ +struct wmi_tx_desc_ring_cfg_done_event { + u8 ring_id; + /* wmi_fw_status */ + u8 status; + u8 reserved[2]; + __le32 ring_tail_ptr; +} __packed; + +/* WMI_RX_DESC_RING_CFG_DONE_EVENTID */ +struct wmi_rx_desc_ring_cfg_done_event { + u8 ring_id; + /* wmi_fw_status */ + u8 status; + u8 reserved[2]; + __le32 ring_tail_ptr; +} __packed; + /* WMI_RCP_ADDBA_REQ_EVENTID */ struct wmi_rcp_addba_req_event { /* Used for cid less than 8. For higher cid set @@ -2047,9 +2189,9 @@ struct wmi_data_port_open_event { u8 reserved[3]; } __packed; -/* WMI_VRING_EN_EVENTID */ -struct wmi_vring_en_event { - u8 vring_index; +/* WMI_RING_EN_EVENTID */ +struct wmi_ring_en_event { + u8 ring_index; u8 reserved[3]; } __packed; -- cgit v1.2.3-55-g7522 From 9202d7b6748098d508a3d0a7fcc221a4bcf1ecd9 Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Fri, 29 Jun 2018 16:28:28 +0300 Subject: wil6210: add support for enhanced DMA TX data flows The enhanced DMA TX data path is handled using a descriptor ring per connection and a single status ring. The driver gets TX completions via the TX status ring. Each status message points to the completed descriptor ring and includes the number of completed descriptors in this ring. Non TSO enhanced DMA TX descriptors are similar to legacy DMA TX descriptors, hence the same transmit function can be used. However, enhanced DMA TSO frames division is performed by the HW, hence a new function is added to handle enhanced DMA TSO. Signed-off-by: Gidon Studinski Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/interrupt.c | 126 ++++++-- drivers/net/wireless/ath/wil6210/netdev.c | 36 ++- drivers/net/wireless/ath/wil6210/trace.h | 25 ++ drivers/net/wireless/ath/wil6210/txrx.c | 194 ++++++------ drivers/net/wireless/ath/wil6210/txrx.h | 22 ++ drivers/net/wireless/ath/wil6210/txrx_edma.c | 427 ++++++++++++++++++++++++++- drivers/net/wireless/ath/wil6210/txrx_edma.h | 33 ++- drivers/net/wireless/ath/wil6210/wil6210.h | 15 + 8 files changed, 750 insertions(+), 128 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index 311d48233165..1603b9f7feb9 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -44,6 +44,7 @@ (~(BIT_DMA_EP_RX_ICR_RX_HTRSH))) #define WIL6210_IMC_TX (BIT_DMA_EP_TX_ICR_TX_DONE | \ BIT_DMA_EP_TX_ICR_TX_DONE_N(0)) +#define WIL6210_IMC_TX_EDMA BIT_TX_STATUS_IRQ #define WIL6210_IMC_MISC_NO_HALP (ISR_MISC_FW_READY | \ ISR_MISC_MBOX_EVT | \ ISR_MISC_FW_ERROR) @@ -87,6 +88,12 @@ static void wil6210_mask_irq_tx(struct wil6210_priv *wil) WIL6210_IRQ_DISABLE); } +static void wil6210_mask_irq_tx_edma(struct wil6210_priv *wil) +{ + wil_w(wil, RGF_INT_GEN_TX_ICR + offsetof(struct RGF_ICR, IMS), + WIL6210_IRQ_DISABLE); +} + static void wil6210_mask_irq_rx(struct wil6210_priv *wil) { wil_w(wil, RGF_DMA_EP_RX_ICR + offsetof(struct RGF_ICR, IMS), @@ -125,6 +132,12 @@ void wil6210_unmask_irq_tx(struct wil6210_priv *wil) WIL6210_IMC_TX); } +void wil6210_unmask_irq_tx_edma(struct wil6210_priv *wil) +{ + wil_w(wil, RGF_INT_GEN_TX_ICR + offsetof(struct RGF_ICR, IMC), + WIL6210_IMC_TX_EDMA); +} + void wil6210_unmask_irq_rx(struct wil6210_priv *wil) { bool unmask_rx_htrsh = atomic_read(&wil->connected_vifs) > 0; @@ -164,6 +177,7 @@ void wil_mask_irq(struct wil6210_priv *wil) wil_dbg_irq(wil, "mask_irq\n"); wil6210_mask_irq_tx(wil); + wil6210_mask_irq_tx_edma(wil); wil6210_mask_irq_rx(wil); wil6210_mask_irq_misc(wil, true); wil6210_mask_irq_pseudo(wil); @@ -179,10 +193,16 @@ void wil_unmask_irq(struct wil6210_priv *wil) WIL_ICR_ICC_VALUE); wil_w(wil, RGF_DMA_EP_MISC_ICR + offsetof(struct RGF_ICR, ICC), WIL_ICR_ICC_MISC_VALUE); + wil_w(wil, RGF_INT_GEN_TX_ICR + offsetof(struct RGF_ICR, ICC), + WIL_ICR_ICC_VALUE); wil6210_unmask_irq_pseudo(wil); - wil6210_unmask_irq_tx(wil); - wil6210_unmask_irq_rx(wil); + if (wil->use_enhanced_dma_hw) { + wil6210_unmask_irq_tx_edma(wil); + } else { + wil6210_unmask_irq_tx(wil); + wil6210_unmask_irq_rx(wil); + } wil6210_unmask_irq_misc(wil, true); } @@ -315,6 +335,49 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie) return IRQ_HANDLED; } +static irqreturn_t wil6210_irq_tx_edma(int irq, void *cookie) +{ + struct wil6210_priv *wil = cookie; + u32 isr = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_INT_GEN_TX_ICR) + + offsetof(struct RGF_ICR, ICR)); + bool need_unmask = true; + + trace_wil6210_irq_tx(isr); + wil_dbg_irq(wil, "ISR TX 0x%08x\n", isr); + + if (unlikely(!isr)) { + wil_err(wil, "spurious IRQ: TX\n"); + return IRQ_NONE; + } + + wil6210_mask_irq_tx_edma(wil); + + if (likely(isr & BIT_TX_STATUS_IRQ)) { + wil_dbg_irq(wil, "TX status ring\n"); + isr &= ~BIT_TX_STATUS_IRQ; + if (likely(test_bit(wil_status_fwready, wil->status))) { + wil_dbg_txrx(wil, "NAPI(Tx) schedule\n"); + need_unmask = false; + napi_schedule(&wil->napi_tx); + } else { + wil_err(wil, "Got Tx status ring IRQ while in reset\n"); + } + } + + if (unlikely(isr)) + wil_err(wil, "un-handled TX ISR bits 0x%08x\n", isr); + + /* Tx IRQ will be enabled when NAPI processing finished */ + + atomic_inc(&wil->isr_count_tx); + + if (unlikely(need_unmask)) + wil6210_unmask_irq_tx_edma(wil); + + return IRQ_HANDLED; +} + static irqreturn_t wil6210_irq_tx(int irq, void *cookie) { struct wil6210_priv *wil = cookie; @@ -531,30 +594,45 @@ static irqreturn_t wil6210_thread_irq(int irq, void *cookie) */ static int wil6210_debug_irq_mask(struct wil6210_priv *wil, u32 pseudo_cause) { + u32 icm_rx = 0, icr_rx = 0, imv_rx = 0; + u32 icm_tx, icr_tx, imv_tx; + u32 icm_misc, icr_misc, imv_misc; + if (!test_bit(wil_status_irqen, wil->status)) { - u32 icm_rx = wil_ioread32_and_clear(wil->csr + - HOSTADDR(RGF_DMA_EP_RX_ICR) + - offsetof(struct RGF_ICR, ICM)); - u32 icr_rx = wil_ioread32_and_clear(wil->csr + - HOSTADDR(RGF_DMA_EP_RX_ICR) + - offsetof(struct RGF_ICR, ICR)); - u32 imv_rx = wil_r(wil, RGF_DMA_EP_RX_ICR + - offsetof(struct RGF_ICR, IMV)); - u32 icm_tx = wil_ioread32_and_clear(wil->csr + - HOSTADDR(RGF_DMA_EP_TX_ICR) + - offsetof(struct RGF_ICR, ICM)); - u32 icr_tx = wil_ioread32_and_clear(wil->csr + - HOSTADDR(RGF_DMA_EP_TX_ICR) + - offsetof(struct RGF_ICR, ICR)); - u32 imv_tx = wil_r(wil, RGF_DMA_EP_TX_ICR + + if (wil->use_enhanced_dma_hw) { + icm_tx = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_INT_GEN_TX_ICR) + + offsetof(struct RGF_ICR, ICM)); + icr_tx = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_INT_GEN_TX_ICR) + + offsetof(struct RGF_ICR, ICR)); + imv_tx = wil_r(wil, RGF_INT_GEN_TX_ICR + + offsetof(struct RGF_ICR, IMV)); + } else { + icm_rx = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_DMA_EP_RX_ICR) + + offsetof(struct RGF_ICR, ICM)); + icr_rx = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_DMA_EP_RX_ICR) + + offsetof(struct RGF_ICR, ICR)); + imv_rx = wil_r(wil, RGF_DMA_EP_RX_ICR + offsetof(struct RGF_ICR, IMV)); - u32 icm_misc = wil_ioread32_and_clear(wil->csr + + icm_tx = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_DMA_EP_TX_ICR) + + offsetof(struct RGF_ICR, ICM)); + icr_tx = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_DMA_EP_TX_ICR) + + offsetof(struct RGF_ICR, ICR)); + imv_tx = wil_r(wil, RGF_DMA_EP_TX_ICR + + offsetof(struct RGF_ICR, IMV)); + } + icm_misc = wil_ioread32_and_clear(wil->csr + HOSTADDR(RGF_DMA_EP_MISC_ICR) + offsetof(struct RGF_ICR, ICM)); - u32 icr_misc = wil_ioread32_and_clear(wil->csr + + icr_misc = wil_ioread32_and_clear(wil->csr + HOSTADDR(RGF_DMA_EP_MISC_ICR) + offsetof(struct RGF_ICR, ICR)); - u32 imv_misc = wil_r(wil, RGF_DMA_EP_MISC_ICR + + imv_misc = wil_r(wil, RGF_DMA_EP_MISC_ICR + offsetof(struct RGF_ICR, IMV)); /* HALP interrupt can be unmasked when misc interrupts are @@ -617,7 +695,7 @@ static irqreturn_t wil6210_hardirq(int irq, void *cookie) rc = IRQ_WAKE_THREAD; if ((pseudo_cause & BIT_DMA_PSEUDO_CAUSE_TX) && - (wil6210_irq_tx(irq, cookie) == IRQ_WAKE_THREAD)) + (wil->txrx_ops.irq_tx(irq, cookie) == IRQ_WAKE_THREAD)) rc = IRQ_WAKE_THREAD; if ((pseudo_cause & BIT_DMA_PSEUDO_CAUSE_MISC) && @@ -645,6 +723,8 @@ void wil6210_clear_irq(struct wil6210_priv *wil) offsetof(struct RGF_ICR, ICR)); wil_clear32(wil->csr + HOSTADDR(RGF_DMA_EP_TX_ICR) + offsetof(struct RGF_ICR, ICR)); + wil_clear32(wil->csr + HOSTADDR(RGF_INT_GEN_TX_ICR) + + offsetof(struct RGF_ICR, ICR)); wil_clear32(wil->csr + HOSTADDR(RGF_DMA_EP_MISC_ICR) + offsetof(struct RGF_ICR, ICR)); wmb(); /* make sure write completed */ @@ -673,6 +753,10 @@ int wil6210_init_irq(struct wil6210_priv *wil, int irq, bool use_msi) wil_dbg_misc(wil, "init_irq: %s\n", use_msi ? "MSI" : "INTx"); + if (wil->use_enhanced_dma_hw) + wil->txrx_ops.irq_tx = wil6210_irq_tx_edma; + else + wil->txrx_ops.irq_tx = wil6210_irq_tx; rc = request_threaded_irq(irq, wil6210_hardirq, wil6210_thread_irq, use_msi ? 0 : IRQF_SHARED, diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c index 3c6a59fd08df..eeda2b618e6e 100644 --- a/drivers/net/wireless/ath/wil6210/netdev.c +++ b/drivers/net/wireless/ath/wil6210/netdev.c @@ -157,6 +157,30 @@ static int wil6210_netdev_poll_tx(struct napi_struct *napi, int budget) return min(tx_done, budget); } +static int wil6210_netdev_poll_tx_edma(struct napi_struct *napi, int budget) +{ + struct wil6210_priv *wil = container_of(napi, struct wil6210_priv, + napi_tx); + int tx_done; + /* There is only one status TX ring */ + struct wil_status_ring *sring = &wil->srings[wil->tx_sring_idx]; + + if (!sring->va) + return 0; + + tx_done = wil_tx_sring_handler(wil, sring); + + if (tx_done < budget) { + napi_complete(napi); + wil6210_unmask_irq_tx_edma(wil); + wil_dbg_txrx(wil, "NAPI TX complete\n"); + } + + wil_dbg_txrx(wil, "NAPI TX poll(%d) done %d\n", budget, tx_done); + + return min(tx_done, budget); +} + static void wil_dev_setup(struct net_device *dev) { ether_setup(dev); @@ -420,9 +444,15 @@ int wil_if_add(struct wil6210_priv *wil) init_dummy_netdev(&wil->napi_ndev); netif_napi_add(&wil->napi_ndev, &wil->napi_rx, wil6210_netdev_poll_rx, WIL6210_NAPI_BUDGET); - netif_tx_napi_add(&wil->napi_ndev, - &wil->napi_tx, wil6210_netdev_poll_tx, - WIL6210_NAPI_BUDGET); + if (wil->use_enhanced_dma_hw) + netif_tx_napi_add(&wil->napi_ndev, + &wil->napi_tx, wil6210_netdev_poll_tx_edma, + WIL6210_NAPI_BUDGET); + else + netif_tx_napi_add(&wil->napi_ndev, + &wil->napi_tx, wil6210_netdev_poll_tx, + WIL6210_NAPI_BUDGET); + wil_update_net_queues_bh(wil, vif, NULL, true); diff --git a/drivers/net/wireless/ath/wil6210/trace.h b/drivers/net/wireless/ath/wil6210/trace.h index c4db2a9d9f7f..6aed2461b0d4 100644 --- a/drivers/net/wireless/ath/wil6210/trace.h +++ b/drivers/net/wireless/ath/wil6210/trace.h @@ -226,6 +226,31 @@ TRACE_EVENT(wil6210_tx_done, __entry->err) ); +TRACE_EVENT(wil6210_tx_status, + TP_PROTO(struct wil_ring_tx_status *msg, u16 index, + unsigned int len), + TP_ARGS(msg, index, len), + TP_STRUCT__entry(__field(u16, index) + __field(unsigned int, len) + __field(u8, num_descs) + __field(u8, ring_id) + __field(u8, status) + __field(u8, mcs) + + ), + TP_fast_assign(__entry->index = index; + __entry->len = len; + __entry->num_descs = msg->num_descriptors; + __entry->ring_id = msg->ring_id; + __entry->status = msg->status; + __entry->mcs = wil_tx_status_get_mcs(msg); + ), + TP_printk( + "ring_id %d swtail 0x%x len %d num_descs %d status 0x%x mcs %d", + __entry->ring_id, __entry->index, __entry->len, + __entry->num_descs, __entry->status, __entry->mcs) +); + #endif /* WIL6210_TRACE_H || TRACE_HEADER_MULTI_READ*/ #if defined(CONFIG_WIL6210_TRACING) && !defined(__CHECKER__) diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 2a359e164e08..12d509e7f29c 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -117,12 +117,6 @@ bool wil_is_tx_idle(struct wil6210_priv *wil) return true; } -/* wil_val_in_range - check if value in [min,max) */ -static inline bool wil_val_in_range(int val, int min, int max) -{ - return val >= min && val < max; -} - static int wil_vring_alloc(struct wil6210_priv *wil, struct wil_ring *vring) { struct device *dev = wil_to_dev(wil); @@ -184,9 +178,10 @@ static int wil_vring_alloc(struct wil6210_priv *wil, struct wil_ring *vring) return 0; } -static void wil_txdesc_unmap(struct device *dev, struct vring_tx_desc *d, +static void wil_txdesc_unmap(struct device *dev, union wil_tx_desc *desc, struct wil_ctx *ctx) { + struct vring_tx_desc *d = &desc->legacy; dma_addr_t pa = wil_desc_addr(&d->dma.addr); u16 dmalen = le16_to_cpu(d->dma.length); @@ -239,7 +234,7 @@ static void wil_vring_free(struct wil6210_priv *wil, struct wil_ring *vring) continue; } *d = *_d; - wil_txdesc_unmap(dev, d, ctx); + wil_txdesc_unmap(dev, (union wil_tx_desc *)d, ctx); if (ctx->skb) dev_kfree_skb_any(ctx->skb); vring->swtail = wil_ring_next_tail(vring); @@ -887,6 +882,30 @@ static void wil_rx_fini(struct wil6210_priv *wil) wil_vring_free(wil, vring); } +static int wil_tx_desc_map(union wil_tx_desc *desc, dma_addr_t pa, + u32 len, int vring_index) +{ + struct vring_tx_desc *d = &desc->legacy; + + wil_desc_addr_set(&d->dma.addr, pa); + d->dma.ip_length = 0; + /* 0..6: mac_length; 7:ip_version 0-IP6 1-IP4*/ + d->dma.b11 = 0/*14 | BIT(7)*/; + d->dma.error = 0; + d->dma.status = 0; /* BIT(0) should be 0 for HW_OWNED */ + d->dma.length = cpu_to_le16((u16)len); + d->dma.d0 = (vring_index << DMA_CFG_DESC_TX_0_QID_POS); + d->mac.d[0] = 0; + d->mac.d[1] = 0; + d->mac.d[2] = 0; + d->mac.ucode_cmd = 0; + /* translation type: 0 - bypass; 1 - 802.3; 2 - native wifi */ + d->mac.d[2] = BIT(MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_POS) | + (1 << MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_POS); + + return 0; +} + void wil_tx_data_init(struct wil_ring_tx_data *txdata) { spin_lock_bh(&txdata->lock); @@ -1114,8 +1133,8 @@ static struct wil_ring *wil_find_tx_ucast(struct wil6210_priv *wil, return NULL; } -static int wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct wil_ring *vring, struct sk_buff *skb); +static int wil_tx_ring(struct wil6210_priv *wil, struct wil6210_vif *vif, + struct wil_ring *ring, struct sk_buff *skb); static struct wil_ring *wil_find_tx_ring_sta(struct wil6210_priv *wil, struct wil6210_vif *vif, @@ -1258,7 +1277,7 @@ found: if (skb2) { wil_dbg_txrx(wil, "BCAST DUP -> ring %d\n", i); wil_set_da_for_vring(wil, skb2, i); - wil_tx_vring(wil, vif, v2, skb2); + wil_tx_ring(wil, vif, v2, skb2); } else { wil_err(wil, "skb_copy failed\n"); } @@ -1267,28 +1286,6 @@ found: return v; } -static int wil_tx_desc_map(struct vring_tx_desc *d, dma_addr_t pa, u32 len, - int vring_index) -{ - wil_desc_addr_set(&d->dma.addr, pa); - d->dma.ip_length = 0; - /* 0..6: mac_length; 7:ip_version 0-IP6 1-IP4*/ - d->dma.b11 = 0/*14 | BIT(7)*/; - d->dma.error = 0; - d->dma.status = 0; /* BIT(0) should be 0 for HW_OWNED */ - d->dma.length = cpu_to_le16((u16)len); - d->dma.d0 = (vring_index << DMA_CFG_DESC_TX_0_QID_POS); - d->mac.d[0] = 0; - d->mac.d[1] = 0; - d->mac.d[2] = 0; - d->mac.ucode_cmd = 0; - /* translation type: 0 - bypass; 1 - 802.3; 2 - native wifi */ - d->mac.d[2] = BIT(MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_POS) | - (1 << MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_POS); - - return 0; -} - static inline void wil_tx_desc_set_nr_frags(struct vring_tx_desc *d, int nr_frags) { @@ -1498,7 +1495,8 @@ static int __wil_tx_vring_tso(struct wil6210_priv *wil, struct wil6210_vif *vif, goto err_exit; } - wil_tx_desc_map(hdr_desc, pa, hdrlen, vring_index); + wil->txrx_ops.tx_desc_map((union wil_tx_desc *)hdr_desc, pa, + hdrlen, vring_index); wil_tx_desc_offload_setup_tso(hdr_desc, skb, wil_tso_type_hdr, is_ipv4, tcp_hdr_len, skb_net_hdr_len); wil_tx_last_desc(hdr_desc); @@ -1565,7 +1563,8 @@ static int __wil_tx_vring_tso(struct wil6210_priv *wil, struct wil6210_vif *vif, d = &desc_mem; } - wil_tx_desc_map(d, pa, lenmss, vring_index); + wil->txrx_ops.tx_desc_map((union wil_tx_desc *)d, + pa, lenmss, vring_index); wil_tx_desc_offload_setup_tso(d, skb, desc_tso_type, is_ipv4, tcp_hdr_len, skb_net_hdr_len); @@ -1680,7 +1679,7 @@ mem_error: *d = *_desc; _desc->dma.status = TX_DMA_STATUS_DU; ctx = &vring->ctx[i]; - wil_txdesc_unmap(dev, d, ctx); + wil_txdesc_unmap(dev, (union wil_tx_desc *)d, ctx); memset(ctx, 0, sizeof(*ctx)); descs_used--; } @@ -1688,26 +1687,26 @@ err_exit: return rc; } -static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct wil_ring *vring, struct sk_buff *skb) +static int __wil_tx_ring(struct wil6210_priv *wil, struct wil6210_vif *vif, + struct wil_ring *ring, struct sk_buff *skb) { struct device *dev = wil_to_dev(wil); struct vring_tx_desc dd, *d = ⅆ volatile struct vring_tx_desc *_d; - u32 swhead = vring->swhead; - int avail = wil_ring_avail_tx(vring); + u32 swhead = ring->swhead; + int avail = wil_ring_avail_tx(ring); int nr_frags = skb_shinfo(skb)->nr_frags; uint f = 0; - int vring_index = vring - wil->ring_tx; - struct wil_ring_tx_data *txdata = &wil->ring_tx_data[vring_index]; + int ring_index = ring - wil->ring_tx; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_index]; uint i = swhead; dma_addr_t pa; int used; - bool mcast = (vring_index == vif->bcast_ring); + bool mcast = (ring_index == vif->bcast_ring); uint len = skb_headlen(skb); wil_dbg_txrx(wil, "tx_ring: %d bytes to ring %d, nr_frags %d\n", - skb->len, vring_index, nr_frags); + skb->len, ring_index, nr_frags); if (unlikely(!txdata->enabled)) return -EINVAL; @@ -1715,23 +1714,24 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, if (unlikely(avail < 1 + nr_frags)) { wil_err_ratelimited(wil, "Tx ring[%2d] full. No space for %d fragments\n", - vring_index, 1 + nr_frags); + ring_index, 1 + nr_frags); return -ENOMEM; } - _d = &vring->va[i].tx.legacy; + _d = &ring->va[i].tx.legacy; pa = dma_map_single(dev, skb->data, skb_headlen(skb), DMA_TO_DEVICE); - wil_dbg_txrx(wil, "Tx[%2d] skb %d bytes 0x%p -> %pad\n", vring_index, + wil_dbg_txrx(wil, "Tx[%2d] skb %d bytes 0x%p -> %pad\n", ring_index, skb_headlen(skb), skb->data, &pa); wil_hex_dump_txrx("Tx ", DUMP_PREFIX_OFFSET, 16, 1, skb->data, skb_headlen(skb), false); if (unlikely(dma_mapping_error(dev, pa))) return -EINVAL; - vring->ctx[i].mapped_as = wil_mapped_as_single; + ring->ctx[i].mapped_as = wil_mapped_as_single; /* 1-st segment */ - wil_tx_desc_map(d, pa, len, vring_index); + wil->txrx_ops.tx_desc_map((union wil_tx_desc *)d, pa, len, + ring_index); if (unlikely(mcast)) { d->mac.d[0] |= BIT(MAC_CFG_DESC_TX_0_MCS_EN_POS); /* MCS 0 */ if (unlikely(len > WIL_BCAST_MCS0_LIMIT)) /* set MCS 1 */ @@ -1740,11 +1740,11 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, /* Process TCP/UDP checksum offloading */ if (unlikely(wil_tx_desc_offload_setup(d, skb))) { wil_err(wil, "Tx[%2d] Failed to set cksum, drop packet\n", - vring_index); + ring_index); goto dma_error; } - vring->ctx[i].nr_frags = nr_frags; + ring->ctx[i].nr_frags = nr_frags; wil_tx_desc_set_nr_frags(d, nr_frags + 1); /* middle segments */ @@ -1754,20 +1754,21 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, int len = skb_frag_size(frag); *_d = *d; - wil_dbg_txrx(wil, "Tx[%2d] desc[%4d]\n", vring_index, i); + wil_dbg_txrx(wil, "Tx[%2d] desc[%4d]\n", ring_index, i); wil_hex_dump_txrx("TxD ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); - i = (swhead + f + 1) % vring->size; - _d = &vring->va[i].tx.legacy; + i = (swhead + f + 1) % ring->size; + _d = &ring->va[i].tx.legacy; pa = skb_frag_dma_map(dev, frag, 0, skb_frag_size(frag), DMA_TO_DEVICE); if (unlikely(dma_mapping_error(dev, pa))) { wil_err(wil, "Tx[%2d] failed to map fragment\n", - vring_index); + ring_index); goto dma_error; } - vring->ctx[i].mapped_as = wil_mapped_as_page; - wil_tx_desc_map(d, pa, len, vring_index); + ring->ctx[i].mapped_as = wil_mapped_as_page; + wil->txrx_ops.tx_desc_map((union wil_tx_desc *)d, + pa, len, ring_index); /* no need to check return code - * if it succeeded for 1-st descriptor, * it will succeed here too @@ -1779,7 +1780,7 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_MARK_WB_POS); d->dma.d0 |= BIT(DMA_CFG_DESC_TX_0_CMD_DMA_IT_POS); *_d = *d; - wil_dbg_txrx(wil, "Tx[%2d] desc[%4d]\n", vring_index, i); + wil_dbg_txrx(wil, "Tx[%2d] desc[%4d]\n", ring_index, i); wil_hex_dump_txrx("TxD ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); @@ -1787,15 +1788,15 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, * to prevent skb release before accounting * in case of immediate "tx done" */ - vring->ctx[i].skb = skb_get(skb); + ring->ctx[i].skb = skb_get(skb); /* performance monitoring */ - used = wil_ring_used_tx(vring); + used = wil_ring_used_tx(ring); if (wil_val_in_range(wil->ring_idle_trsh, used, used + nr_frags + 1)) { txdata->idle += get_cycles() - txdata->last_idle; wil_dbg_txrx(wil, "Ring[%2d] not idle %d -> %d\n", - vring_index, used, used + nr_frags + 1); + ring_index, used, used + nr_frags + 1); } /* Make sure to advance the head only after descriptor update is done. @@ -1806,17 +1807,17 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, wmb(); /* advance swhead */ - wil_ring_advance_head(vring, nr_frags + 1); - wil_dbg_txrx(wil, "Tx[%2d] swhead %d -> %d\n", vring_index, swhead, - vring->swhead); - trace_wil6210_tx(vring_index, swhead, skb->len, nr_frags); + wil_ring_advance_head(ring, nr_frags + 1); + wil_dbg_txrx(wil, "Tx[%2d] swhead %d -> %d\n", ring_index, swhead, + ring->swhead); + trace_wil6210_tx(ring_index, swhead, skb->len, nr_frags); /* make sure all writes to descriptors (shared memory) are done before * committing them to HW */ wmb(); - wil_w(wil, vring->hwtail, vring->swhead); + wil_w(wil, ring->hwtail, ring->swhead); return 0; dma_error: @@ -1825,12 +1826,14 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, for (f = 0; f < nr_frags; f++) { struct wil_ctx *ctx; - i = (swhead + f) % vring->size; - ctx = &vring->ctx[i]; - _d = &vring->va[i].tx.legacy; + i = (swhead + f) % ring->size; + ctx = &ring->ctx[i]; + _d = &ring->va[i].tx.legacy; *d = *_d; _d->dma.status = TX_DMA_STATUS_DU; - wil_txdesc_unmap(dev, d, ctx); + wil->txrx_ops.tx_desc_unmap(dev, + (union wil_tx_desc *)d, + ctx); memset(ctx, 0, sizeof(*ctx)); } @@ -1838,10 +1841,10 @@ static int __wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, return -EINVAL; } -static int wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, - struct wil_ring *vring, struct sk_buff *skb) +static int wil_tx_ring(struct wil6210_priv *wil, struct wil6210_vif *vif, + struct wil_ring *ring, struct sk_buff *skb) { - int ring_index = vring - wil->ring_tx; + int ring_index = ring - wil->ring_tx; struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_index]; int rc; @@ -1856,8 +1859,8 @@ static int wil_tx_vring(struct wil6210_priv *wil, struct wil6210_vif *vif, return -EINVAL; } - rc = (skb_is_gso(skb) ? __wil_tx_vring_tso : __wil_tx_vring) - (wil, vif, vring, skb); + rc = (skb_is_gso(skb) ? wil->txrx_ops.tx_ring_tso : __wil_tx_ring) + (wil, vif, ring, skb); spin_unlock(&txdata->lock); @@ -1964,7 +1967,7 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) struct wil6210_priv *wil = vif_to_wil(vif); struct ethhdr *eth = (void *)skb->data; bool bcast = is_multicast_ether_addr(eth->h_dest); - struct wil_ring *vring; + struct wil_ring *ring; static bool pr_once_fw; int rc; @@ -1990,36 +1993,36 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) /* find vring */ if (vif->wdev.iftype == NL80211_IFTYPE_STATION && !vif->pbss) { /* in STA mode (ESS), all to same VRING (to AP) */ - vring = wil_find_tx_ring_sta(wil, vif, skb); + ring = wil_find_tx_ring_sta(wil, vif, skb); } else if (bcast) { if (vif->pbss) /* in pbss, no bcast VRING - duplicate skb in * all stations VRINGs */ - vring = wil_find_tx_bcast_2(wil, vif, skb); + ring = wil_find_tx_bcast_2(wil, vif, skb); else if (vif->wdev.iftype == NL80211_IFTYPE_AP) /* AP has a dedicated bcast VRING */ - vring = wil_find_tx_bcast_1(wil, vif, skb); + ring = wil_find_tx_bcast_1(wil, vif, skb); else /* unexpected combination, fallback to duplicating * the skb in all stations VRINGs */ - vring = wil_find_tx_bcast_2(wil, vif, skb); + ring = wil_find_tx_bcast_2(wil, vif, skb); } else { /* unicast, find specific VRING by dest. address */ - vring = wil_find_tx_ucast(wil, vif, skb); + ring = wil_find_tx_ucast(wil, vif, skb); } - if (unlikely(!vring)) { + if (unlikely(!ring)) { wil_dbg_txrx(wil, "No Tx RING found for %pM\n", eth->h_dest); goto drop; } /* set up vring entry */ - rc = wil_tx_vring(wil, vif, vring, skb); + rc = wil_tx_ring(wil, vif, ring, skb); switch (rc) { case 0: /* shall we stop net queues? */ - wil_update_net_queues_bh(wil, vif, vring, true); + wil_update_net_queues_bh(wil, vif, ring, true); /* statistics will be updated on the tx_complete */ dev_kfree_skb_any(skb); return NETDEV_TX_OK; @@ -2035,22 +2038,6 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) return NET_XMIT_DROP; } -static inline bool wil_need_txstat(struct sk_buff *skb) -{ - struct ethhdr *eth = (void *)skb->data; - - return is_unicast_ether_addr(eth->h_dest) && skb->sk && - (skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS); -} - -static inline void wil_consume_skb(struct sk_buff *skb, bool acked) -{ - if (unlikely(wil_need_txstat(skb))) - skb_complete_wifi_ack(skb, acked); - else - acked ? dev_consume_skb_any(skb) : dev_kfree_skb_any(skb); -} - /** * Clean up transmitted skb's from the Tx VRING * @@ -2126,7 +2113,9 @@ int wil_tx_complete(struct wil6210_vif *vif, int ringid) wil_hex_dump_txrx("TxCD ", DUMP_PREFIX_NONE, 32, 4, (const void *)d, sizeof(*d), false); - wil_txdesc_unmap(dev, d, ctx); + wil->txrx_ops.tx_desc_unmap(dev, + (union wil_tx_desc *)d, + ctx); if (skb) { if (likely(d->dma.error == 0)) { @@ -2188,6 +2177,9 @@ void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil) wil->txrx_ops.configure_interrupt_moderation = wil_configure_interrupt_moderation; /* TX ops */ + wil->txrx_ops.tx_desc_map = wil_tx_desc_map; + wil->txrx_ops.tx_desc_unmap = wil_txdesc_unmap; + wil->txrx_ops.tx_ring_tso = __wil_tx_vring_tso; wil->txrx_ops.ring_init_tx = wil_vring_init_tx; wil->txrx_ops.ring_fini_tx = wil_vring_free; wil->txrx_ops.ring_init_bcast = wil_vring_init_bcast; diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h index 4e3781d9e7ec..62806c5bb930 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.h +++ b/drivers/net/wireless/ath/wil6210/txrx.h @@ -555,6 +555,22 @@ static inline int wil_ring_is_full(struct wil_ring *ring) return wil_ring_next_tail(ring) == ring->swhead; } +static inline bool wil_need_txstat(struct sk_buff *skb) +{ + struct ethhdr *eth = (void *)skb->data; + + return is_unicast_ether_addr(eth->h_dest) && skb->sk && + (skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS); +} + +static inline void wil_consume_skb(struct sk_buff *skb, bool acked) +{ + if (unlikely(wil_need_txstat(skb))) + skb_complete_wifi_ack(skb, acked); + else + acked ? dev_consume_skb_any(skb) : dev_kfree_skb_any(skb); +} + /* Used space in Tx ring */ static inline int wil_ring_used_tx(struct wil_ring *ring) { @@ -576,6 +592,12 @@ static inline int wil_get_min_tx_ring_id(struct wil6210_priv *wil) return wil->use_enhanced_dma_hw ? 1 : 0; } +/* wil_val_in_range - check if value in [min,max) */ +static inline bool wil_val_in_range(int val, int min, int max) +{ + return val >= min && val < max; +} + void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev); void wil_rx_reorder(struct wil6210_priv *wil, struct sk_buff *skb); void wil_rx_bar(struct wil6210_priv *wil, struct wil6210_vif *vif, diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c index 9773d400808d..c449286823a9 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.c +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -24,13 +24,15 @@ #include "wil6210.h" #include "txrx_edma.h" #include "txrx.h" +#include "trace.h" #define WIL_EDMA_MAX_DATA_OFFSET (2) static void wil_tx_desc_unmap_edma(struct device *dev, - struct wil_tx_enhanced_desc *d, + union wil_tx_desc *desc, struct wil_ctx *ctx) { + struct wil_tx_enhanced_desc *d = (struct wil_tx_enhanced_desc *)desc; dma_addr_t pa = wil_tx_desc_get_addr_edma(&d->dma); u16 dmalen = le16_to_cpu(d->dma.length); @@ -206,6 +208,13 @@ static int wil_ring_alloc_skb_edma(struct wil6210_priv *wil, return 0; } +static inline void wil_sring_advance_swhead(struct wil_status_ring *sring) +{ + sring->swhead = (sring->swhead + 1) % sring->size; + if (sring->swhead == 0) + sring->desc_rdy_pol = 1 - sring->desc_rdy_pol; +} + static int wil_rx_refill_edma(struct wil6210_priv *wil) { struct wil_ring *ring = &wil->ring_rx; @@ -446,7 +455,7 @@ static void wil_ring_free_edma(struct wil6210_priv *wil, struct wil_ring *ring) continue; } *d = *_d; - wil_tx_desc_unmap_edma(dev, d, ctx); + wil_tx_desc_unmap_edma(dev, (union wil_tx_desc *)d, ctx); if (ctx->skb) dev_kfree_skb_any(ctx->skb); ring->swtail = wil_ring_next_tail(ring); @@ -625,6 +634,417 @@ static int wil_ring_init_tx_edma(struct wil6210_vif *vif, int ring_id, return rc; } +static int wil_tx_desc_map_edma(union wil_tx_desc *desc, + dma_addr_t pa, + u32 len, + int ring_index) +{ + struct wil_tx_enhanced_desc *d = + (struct wil_tx_enhanced_desc *)&desc->enhanced; + + memset(d, 0, sizeof(struct wil_tx_enhanced_desc)); + + wil_desc_set_addr_edma(&d->dma.addr, &d->dma.addr_high_high, pa); + + /* 0..6: mac_length; 7:ip_version 0-IP6 1-IP4*/ + d->dma.length = cpu_to_le16((u16)len); + d->mac.d[0] = (ring_index << WIL_EDMA_DESC_TX_MAC_CFG_0_QID_POS); + /* translation type: 0 - bypass; 1 - 802.3; 2 - native wifi; + * 3 - eth mode + */ + d->mac.d[2] = BIT(MAC_CFG_DESC_TX_2_SNAP_HDR_INSERTION_EN_POS) | + (0x3 << MAC_CFG_DESC_TX_2_L2_TRANSLATION_TYPE_POS); + + return 0; +} + +static inline void +wil_get_next_tx_status_msg(struct wil_status_ring *sring, + struct wil_ring_tx_status *msg) +{ + struct wil_ring_tx_status *_msg = (struct wil_ring_tx_status *) + (sring->va + (sring->elem_size * sring->swhead)); + + *msg = *_msg; +} + +/** + * Clean up transmitted skb's from the Tx descriptor RING. + * Return number of descriptors cleared. + */ +int wil_tx_sring_handler(struct wil6210_priv *wil, + struct wil_status_ring *sring) +{ + struct net_device *ndev; + struct device *dev = wil_to_dev(wil); + struct wil_ring *ring = NULL; + struct wil_ring_tx_data *txdata; + /* Total number of completed descriptors in all descriptor rings */ + int desc_cnt = 0; + int cid; + struct wil_net_stats *stats = NULL; + struct wil_tx_enhanced_desc *_d; + unsigned int ring_id; + unsigned int num_descs; + int i; + u8 dr_bit; /* Descriptor Ready bit */ + struct wil_ring_tx_status msg; + struct wil6210_vif *vif; + int used_before_complete; + int used_new; + + wil_get_next_tx_status_msg(sring, &msg); + dr_bit = msg.desc_ready >> TX_STATUS_DESC_READY_POS; + + /* Process completion messages while DR bit has the expected polarity */ + while (dr_bit == sring->desc_rdy_pol) { + num_descs = msg.num_descriptors; + if (!num_descs) { + wil_err(wil, "invalid num_descs 0\n"); + goto again; + } + + /* Find the corresponding descriptor ring */ + ring_id = msg.ring_id; + + if (unlikely(ring_id >= WIL6210_MAX_TX_RINGS)) { + wil_err(wil, "invalid ring id %d\n", ring_id); + goto again; + } + ring = &wil->ring_tx[ring_id]; + if (unlikely(!ring->va)) { + wil_err(wil, "Tx irq[%d]: ring not initialized\n", + ring_id); + goto again; + } + txdata = &wil->ring_tx_data[ring_id]; + if (unlikely(!txdata->enabled)) { + wil_info(wil, "Tx irq[%d]: ring disabled\n", ring_id); + goto again; + } + vif = wil->vifs[txdata->mid]; + if (unlikely(!vif)) { + wil_dbg_txrx(wil, "invalid MID %d for ring %d\n", + txdata->mid, ring_id); + goto again; + } + + ndev = vif_to_ndev(vif); + + cid = wil->ring2cid_tid[ring_id][0]; + if (cid < WIL6210_MAX_CID) + stats = &wil->sta[cid].stats; + + wil_dbg_txrx(wil, + "tx_status: completed desc_ring (%d), num_descs (%d)\n", + ring_id, num_descs); + + used_before_complete = wil_ring_used_tx(ring); + + for (i = 0 ; i < num_descs; ++i) { + struct wil_ctx *ctx = &ring->ctx[ring->swtail]; + struct wil_tx_enhanced_desc dd, *d = ⅆ + u16 dmalen; + struct sk_buff *skb = ctx->skb; + + _d = (struct wil_tx_enhanced_desc *) + &ring->va[ring->swtail].tx.enhanced; + *d = *_d; + + dmalen = le16_to_cpu(d->dma.length); + trace_wil6210_tx_status(&msg, ring->swtail, dmalen); + wil_dbg_txrx(wil, + "TxC[%2d][%3d] : %d bytes, status 0x%02x\n", + ring_id, ring->swtail, dmalen, + msg.status); + wil_hex_dump_txrx("TxS ", DUMP_PREFIX_NONE, 32, 4, + (const void *)&msg, sizeof(msg), + false); + + wil_tx_desc_unmap_edma(dev, + (union wil_tx_desc *)d, + ctx); + + if (skb) { + if (likely(msg.status == 0)) { + ndev->stats.tx_packets++; + ndev->stats.tx_bytes += skb->len; + if (stats) { + stats->tx_packets++; + stats->tx_bytes += skb->len; + } + } else { + ndev->stats.tx_errors++; + if (stats) + stats->tx_errors++; + } + wil_consume_skb(skb, msg.status == 0); + } + memset(ctx, 0, sizeof(*ctx)); + /* Make sure the ctx is zeroed before updating the tail + * to prevent a case where wil_tx_ring will see + * this descriptor as used and handle it before ctx zero + * is completed. + */ + wmb(); + + ring->swtail = wil_ring_next_tail(ring); + + desc_cnt++; + } + + /* performance monitoring */ + used_new = wil_ring_used_tx(ring); + if (wil_val_in_range(wil->ring_idle_trsh, + used_new, used_before_complete)) { + wil_dbg_txrx(wil, "Ring[%2d] idle %d -> %d\n", + ring_id, used_before_complete, used_new); + txdata->last_idle = get_cycles(); + } + +again: + wil_sring_advance_swhead(sring); + + wil_get_next_tx_status_msg(sring, &msg); + dr_bit = msg.desc_ready >> TX_STATUS_DESC_READY_POS; + } + + /* shall we wake net queues? */ + if (desc_cnt) + wil_update_net_queues(wil, vif, NULL, false); + + /* Update the HW tail ptr (RD ptr) */ + wil_w(wil, sring->hwtail, (sring->swhead - 1) % sring->size); + + return desc_cnt; +} + +/** + * Sets the descriptor @d up for csum and/or TSO offloading. The corresponding + * @skb is used to obtain the protocol and headers length. + * @tso_desc_type is a descriptor type for TSO: 0 - a header, 1 - first data, + * 2 - middle, 3 - last descriptor. + */ +static void wil_tx_desc_offload_setup_tso_edma(struct wil_tx_enhanced_desc *d, + int tso_desc_type, bool is_ipv4, + int tcp_hdr_len, + int skb_net_hdr_len, + int mss) +{ + /* Number of descriptors */ + d->mac.d[2] |= 1; + /* Maximum Segment Size */ + d->mac.tso_mss |= cpu_to_le16(mss >> 2); + /* L4 header len: TCP header length */ + d->dma.l4_hdr_len |= tcp_hdr_len & DMA_CFG_DESC_TX_0_L4_LENGTH_MSK; + /* EOP, TSO desc type, Segmentation enable, + * Insert IPv4 and TCP / UDP Checksum + */ + d->dma.cmd |= BIT(WIL_EDMA_DESC_TX_CFG_EOP_POS) | + tso_desc_type << WIL_EDMA_DESC_TX_CFG_TSO_DESC_TYPE_POS | + BIT(WIL_EDMA_DESC_TX_CFG_SEG_EN_POS) | + BIT(WIL_EDMA_DESC_TX_CFG_INSERT_IP_CHKSUM_POS) | + BIT(WIL_EDMA_DESC_TX_CFG_INSERT_TCP_CHKSUM_POS); + /* Calculate pseudo-header */ + d->dma.w1 |= BIT(WIL_EDMA_DESC_TX_CFG_PSEUDO_HEADER_CALC_EN_POS) | + BIT(WIL_EDMA_DESC_TX_CFG_L4_TYPE_POS); + /* IP Header Length */ + d->dma.ip_length |= skb_net_hdr_len; + /* MAC header length and IP address family*/ + d->dma.b11 |= ETH_HLEN | + is_ipv4 << DMA_CFG_DESC_TX_OFFLOAD_CFG_L3T_IPV4_POS; +} + +static int wil_tx_tso_gen_desc(struct wil6210_priv *wil, void *buff_addr, + int len, uint i, int tso_desc_type, + skb_frag_t *frag, struct wil_ring *ring, + struct sk_buff *skb, bool is_ipv4, + int tcp_hdr_len, int skb_net_hdr_len, + int mss, int *descs_used) +{ + struct device *dev = wil_to_dev(wil); + struct wil_tx_enhanced_desc *_desc = (struct wil_tx_enhanced_desc *) + &ring->va[i].tx.enhanced; + struct wil_tx_enhanced_desc desc_mem, *d = &desc_mem; + int ring_index = ring - wil->ring_tx; + dma_addr_t pa; + + if (len == 0) + return 0; + + if (!frag) { + pa = dma_map_single(dev, buff_addr, len, DMA_TO_DEVICE); + ring->ctx[i].mapped_as = wil_mapped_as_single; + } else { + pa = skb_frag_dma_map(dev, frag, 0, len, DMA_TO_DEVICE); + ring->ctx[i].mapped_as = wil_mapped_as_page; + } + if (unlikely(dma_mapping_error(dev, pa))) { + wil_err(wil, "TSO: Skb DMA map error\n"); + return -EINVAL; + } + + wil->txrx_ops.tx_desc_map((union wil_tx_desc *)d, pa, + len, ring_index); + wil_tx_desc_offload_setup_tso_edma(d, tso_desc_type, is_ipv4, + tcp_hdr_len, + skb_net_hdr_len, mss); + + /* hold reference to skb + * to prevent skb release before accounting + * in case of immediate "tx done" + */ + if (tso_desc_type == wil_tso_type_lst) + ring->ctx[i].skb = skb_get(skb); + + wil_hex_dump_txrx("TxD ", DUMP_PREFIX_NONE, 32, 4, + (const void *)d, sizeof(*d), false); + + *_desc = *d; + (*descs_used)++; + + return 0; +} + +static int __wil_tx_ring_tso_edma(struct wil6210_priv *wil, + struct wil6210_vif *vif, + struct wil_ring *ring, + struct sk_buff *skb) +{ + int ring_index = ring - wil->ring_tx; + struct wil_ring_tx_data *txdata = &wil->ring_tx_data[ring_index]; + int nr_frags = skb_shinfo(skb)->nr_frags; + int min_desc_required = nr_frags + 2; /* Headers, Head, Fragments */ + int used, avail = wil_ring_avail_tx(ring); + int f, hdrlen, headlen; + int gso_type; + bool is_ipv4; + u32 swhead = ring->swhead; + int descs_used = 0; /* total number of used descriptors */ + int rc = -EINVAL; + int tcp_hdr_len; + int skb_net_hdr_len; + int mss = skb_shinfo(skb)->gso_size; + + wil_dbg_txrx(wil, "tx_ring_tso: %d bytes to ring %d\n", skb->len, + ring_index); + + if (unlikely(!txdata->enabled)) + return -EINVAL; + + if (unlikely(avail < min_desc_required)) { + wil_err_ratelimited(wil, + "TSO: Tx ring[%2d] full. No space for %d fragments\n", + ring_index, min_desc_required); + return -ENOMEM; + } + + gso_type = skb_shinfo(skb)->gso_type & (SKB_GSO_TCPV6 | SKB_GSO_TCPV4); + switch (gso_type) { + case SKB_GSO_TCPV4: + is_ipv4 = true; + break; + case SKB_GSO_TCPV6: + is_ipv4 = false; + break; + default: + return -EINVAL; + } + + if (skb->ip_summed != CHECKSUM_PARTIAL) + return -EINVAL; + + /* tcp header length and skb network header length are fixed for all + * packet's descriptors - read them once here + */ + tcp_hdr_len = tcp_hdrlen(skb); + skb_net_hdr_len = skb_network_header_len(skb); + + /* First descriptor must contain the header only + * Header Length = MAC header len + IP header len + TCP header len + */ + hdrlen = ETH_HLEN + tcp_hdr_len + skb_net_hdr_len; + wil_dbg_txrx(wil, "TSO: process header descriptor, hdrlen %u\n", + hdrlen); + rc = wil_tx_tso_gen_desc(wil, skb->data, hdrlen, swhead, + wil_tso_type_hdr, NULL, ring, skb, + is_ipv4, tcp_hdr_len, skb_net_hdr_len, + mss, &descs_used); + if (rc) + return -EINVAL; + + /* Second descriptor contains the head */ + headlen = skb_headlen(skb) - hdrlen; + wil_dbg_txrx(wil, "TSO: process skb head, headlen %u\n", headlen); + rc = wil_tx_tso_gen_desc(wil, skb->data + hdrlen, headlen, + (swhead + descs_used) % ring->size, + (nr_frags != 0) ? wil_tso_type_first : + wil_tso_type_lst, NULL, ring, skb, + is_ipv4, tcp_hdr_len, skb_net_hdr_len, + mss, &descs_used); + if (rc) + goto mem_error; + + /* Rest of the descriptors are from the SKB fragments */ + for (f = 0; f < nr_frags; f++) { + skb_frag_t *frag = &skb_shinfo(skb)->frags[f]; + int len = frag->size; + + wil_dbg_txrx(wil, "TSO: frag[%d]: len %u, descs_used %d\n", f, + len, descs_used); + + rc = wil_tx_tso_gen_desc(wil, NULL, len, + (swhead + descs_used) % ring->size, + (f != nr_frags - 1) ? + wil_tso_type_mid : wil_tso_type_lst, + frag, ring, skb, is_ipv4, + tcp_hdr_len, skb_net_hdr_len, + mss, &descs_used); + if (rc) + goto mem_error; + } + + /* performance monitoring */ + used = wil_ring_used_tx(ring); + if (wil_val_in_range(wil->ring_idle_trsh, + used, used + descs_used)) { + txdata->idle += get_cycles() - txdata->last_idle; + wil_dbg_txrx(wil, "Ring[%2d] not idle %d -> %d\n", + ring_index, used, used + descs_used); + } + + /* advance swhead */ + wil_ring_advance_head(ring, descs_used); + wil_dbg_txrx(wil, "TSO: Tx swhead %d -> %d\n", swhead, ring->swhead); + + /* make sure all writes to descriptors (shared memory) are done before + * committing them to HW + */ + wmb(); + + wil_w(wil, ring->hwtail, ring->swhead); + + return 0; + +mem_error: + while (descs_used > 0) { + struct device *dev = wil_to_dev(wil); + struct wil_ctx *ctx; + int i = (swhead + descs_used - 1) % ring->size; + struct wil_tx_enhanced_desc dd, *d = ⅆ + struct wil_tx_enhanced_desc *_desc = + (struct wil_tx_enhanced_desc *) + &ring->va[i].tx.enhanced; + + *d = *_desc; + ctx = &ring->ctx[i]; + wil_tx_desc_unmap_edma(dev, (union wil_tx_desc *)d, ctx); + memset(ctx, 0, sizeof(*ctx)); + descs_used--; + } + return rc; +} + static int wil_ring_init_bcast_edma(struct wil6210_vif *vif, int ring_id, int size) { @@ -712,6 +1132,9 @@ void wil_init_txrx_ops_edma(struct wil6210_priv *wil) wil->txrx_ops.ring_init_bcast = wil_ring_init_bcast_edma; wil->txrx_ops.tx_init = wil_tx_init_edma; wil->txrx_ops.tx_fini = wil_tx_fini_edma; + wil->txrx_ops.tx_desc_map = wil_tx_desc_map_edma; + wil->txrx_ops.tx_desc_unmap = wil_tx_desc_unmap_edma; + wil->txrx_ops.tx_ring_tso = __wil_tx_ring_tso_edma; /* RX ops */ wil->txrx_ops.rx_init = wil_rx_init_edma; wil->txrx_ops.rx_fini = wil_rx_fini_edma; diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.h b/drivers/net/wireless/ath/wil6210/txrx_edma.h index c6f500b5150f..8eae181877b9 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.h +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.h @@ -38,6 +38,30 @@ #define WIL_EDMA_IDLE_TIME_LIMIT_USEC (50) #define WIL_EDMA_TIME_UNIT_CLK_CYCLES (330) /* fits 1 usec */ +#define WIL_EDMA_DESC_TX_MAC_CFG_0_QID_POS 16 +#define WIL_EDMA_DESC_TX_MAC_CFG_0_QID_LEN 6 + +#define WIL_EDMA_DESC_TX_CFG_EOP_POS 0 +#define WIL_EDMA_DESC_TX_CFG_EOP_LEN 1 + +#define WIL_EDMA_DESC_TX_CFG_TSO_DESC_TYPE_POS 3 +#define WIL_EDMA_DESC_TX_CFG_TSO_DESC_TYPE_LEN 2 + +#define WIL_EDMA_DESC_TX_CFG_SEG_EN_POS 5 +#define WIL_EDMA_DESC_TX_CFG_SEG_EN_LEN 1 + +#define WIL_EDMA_DESC_TX_CFG_INSERT_IP_CHKSUM_POS 6 +#define WIL_EDMA_DESC_TX_CFG_INSERT_IP_CHKSUM_LEN 1 + +#define WIL_EDMA_DESC_TX_CFG_INSERT_TCP_CHKSUM_POS 7 +#define WIL_EDMA_DESC_TX_CFG_INSERT_TCP_CHKSUM_LEN 1 + +#define WIL_EDMA_DESC_TX_CFG_L4_TYPE_POS 15 +#define WIL_EDMA_DESC_TX_CFG_L4_TYPE_LEN 1 + +#define WIL_EDMA_DESC_TX_CFG_PSEUDO_HEADER_CALC_EN_POS 5 +#define WIL_EDMA_DESC_TX_CFG_PSEUDO_HEADER_CALC_EN_LEN 1 + /* Enhanced Rx descriptor - MAC part * [dword 0] : Reserved * [dword 1] : Reserved @@ -303,7 +327,12 @@ struct wil_rx_status_extension { struct wil_rx_status_extended { struct wil_rx_status_compressed comp; struct wil_rx_status_extension ext; -}; +} __packed; + +static inline u8 wil_tx_status_get_mcs(struct wil_ring_tx_status *msg) +{ + return WIL_GET_BITS(msg->d2, 0, 4); +} static inline u32 wil_ring_next_head(struct wil_ring *ring) { @@ -336,6 +365,8 @@ dma_addr_t wil_rx_desc_get_addr_edma(struct wil_ring_rx_enhanced_dma *dma) } void wil_configure_interrupt_moderation_edma(struct wil6210_priv *wil); +int wil_tx_sring_handler(struct wil6210_priv *wil, + struct wil_status_ring *sring); void wil_init_txrx_ops_edma(struct wil6210_priv *wil); #endif /* WIL6210_TXRX_EDMA_H */ diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index bc049b640d59..f35c64e1ca22 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -24,6 +24,7 @@ #include #include #include +#include #include "wmi.h" #include "wil_platform.h" #include "fw.h" @@ -39,6 +40,7 @@ extern bool disable_ap_sme; struct wil6210_priv; struct wil6210_vif; +union wil_tx_desc; #define WIL_NAME "wil6210" @@ -320,6 +322,10 @@ struct RGF_ICR { #define RGF_INT_GEN_CTRL (0x8bc0ec) #define BIT_CONTROL_0 BIT(0) +/* eDMA status interrupts */ +#define RGF_INT_GEN_TX_ICR (0x8bc110) + #define BIT_TX_STATUS_IRQ BIT(WIL_TX_STATUS_IRQ_IDX) +#define RGF_INT_CTRL_TX_INT_MASK (0x8bc130) #define RGF_INT_GEN_IDLE_TIME_LIMIT (0x8bc134) #define USER_EXT_USER_PMU_3 (0x88d00c) @@ -540,6 +546,14 @@ struct wil_txrx_ops { int (*ring_init_bcast)(struct wil6210_vif *vif, int id, int size); int (*tx_init)(struct wil6210_priv *wil); void (*tx_fini)(struct wil6210_priv *wil); + int (*tx_desc_map)(union wil_tx_desc *desc, dma_addr_t pa, + u32 len, int ring_index); + void (*tx_desc_unmap)(struct device *dev, + union wil_tx_desc *desc, + struct wil_ctx *ctx); + int (*tx_ring_tso)(struct wil6210_priv *wil, struct wil6210_vif *vif, + struct wil_ring *ring, struct sk_buff *skb); + irqreturn_t (*irq_tx)(int irq, void *cookie); /* RX ops */ int (*rx_init)(struct wil6210_priv *wil, u16 ring_size); void (*rx_fini)(struct wil6210_priv *wil); @@ -1226,6 +1240,7 @@ void wil_update_net_queues_bh(struct wil6210_priv *wil, struct wil6210_vif *vif, netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev); int wil_tx_complete(struct wil6210_vif *vif, int ringid); void wil6210_unmask_irq_tx(struct wil6210_priv *wil); +void wil6210_unmask_irq_tx_edma(struct wil6210_priv *wil); /* RX API */ void wil_rx_handle(struct wil6210_priv *wil, int *quota); -- cgit v1.2.3-55-g7522 From 7be13fc3e60fb51570288d4516a15266ed500dfd Mon Sep 17 00:00:00 2001 From: Gidon Studinski Date: Fri, 29 Jun 2018 16:28:33 +0300 Subject: wil6210: add support for enhanced DMA RX data flows Enhanced DMA RX data path is handled using a single RX descriptor ring for all VIFs. Multiple RX status rings are supported, to allow RSS and multi MSI support. The driver gets the RX completions via the RX status rings. The RX status message includes the completed RX buffer ID, which points to the allocated SKB. The enhanced DMA RX data flow supports RX chaining, where multiple SKBs are merged into a single packet. Enhanced DMA HW supports RX HW reorder offload, enabled by default for Talyn-MB. amsdu_en debugfs entry was added to allow control MSDU aggregation. Use the following command to disable AMSDU (enabled by default): echo 0 > amsdu_en Signed-off-by: Gidon Studinski Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/debugfs.c | 1 + drivers/net/wireless/ath/wil6210/interrupt.c | 86 ++++- drivers/net/wireless/ath/wil6210/main.c | 3 + drivers/net/wireless/ath/wil6210/netdev.c | 35 +- drivers/net/wireless/ath/wil6210/pcie_bus.c | 1 + drivers/net/wireless/ath/wil6210/pm.c | 6 +- drivers/net/wireless/ath/wil6210/rx_reorder.c | 24 +- drivers/net/wireless/ath/wil6210/trace.h | 34 ++ drivers/net/wireless/ath/wil6210/txrx.c | 53 ++- drivers/net/wireless/ath/wil6210/txrx.h | 7 + drivers/net/wireless/ath/wil6210/txrx_edma.c | 456 ++++++++++++++++++++++++++ drivers/net/wireless/ath/wil6210/txrx_edma.h | 189 +++++++++++ drivers/net/wireless/ath/wil6210/wil6210.h | 24 +- drivers/net/wireless/ath/wil6210/wmi.c | 59 +++- drivers/net/wireless/ath/wil6210/wmi.h | 1 + 15 files changed, 939 insertions(+), 40 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 212baf46393a..8232fdd6ed09 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1919,6 +1919,7 @@ static const struct dbg_off dbg_wil_off[] = { WIL_FIELD(rx_status_ring_order, 0644, doff_u32), WIL_FIELD(tx_status_ring_order, 0644, doff_u32), WIL_FIELD(rx_buff_id_count, 0644, doff_u32), + WIL_FIELD(amsdu_en, 0644, doff_u8), {}, }; diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index 1603b9f7feb9..d7e112da6a8d 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -45,6 +45,7 @@ #define WIL6210_IMC_TX (BIT_DMA_EP_TX_ICR_TX_DONE | \ BIT_DMA_EP_TX_ICR_TX_DONE_N(0)) #define WIL6210_IMC_TX_EDMA BIT_TX_STATUS_IRQ +#define WIL6210_IMC_RX_EDMA BIT_RX_STATUS_IRQ #define WIL6210_IMC_MISC_NO_HALP (ISR_MISC_FW_READY | \ ISR_MISC_MBOX_EVT | \ ISR_MISC_FW_ERROR) @@ -100,6 +101,12 @@ static void wil6210_mask_irq_rx(struct wil6210_priv *wil) WIL6210_IRQ_DISABLE); } +static void wil6210_mask_irq_rx_edma(struct wil6210_priv *wil) +{ + wil_w(wil, RGF_INT_GEN_RX_ICR + offsetof(struct RGF_ICR, IMS), + WIL6210_IRQ_DISABLE); +} + static void wil6210_mask_irq_misc(struct wil6210_priv *wil, bool mask_halp) { wil_dbg_irq(wil, "mask_irq_misc: mask_halp(%s)\n", @@ -146,6 +153,12 @@ void wil6210_unmask_irq_rx(struct wil6210_priv *wil) unmask_rx_htrsh ? WIL6210_IMC_RX : WIL6210_IMC_RX_NO_RX_HTRSH); } +void wil6210_unmask_irq_rx_edma(struct wil6210_priv *wil) +{ + wil_w(wil, RGF_INT_GEN_RX_ICR + offsetof(struct RGF_ICR, IMC), + WIL6210_IMC_RX_EDMA); +} + static void wil6210_unmask_irq_misc(struct wil6210_priv *wil, bool unmask_halp) { wil_dbg_irq(wil, "unmask_irq_misc: unmask_halp(%s)\n", @@ -179,6 +192,7 @@ void wil_mask_irq(struct wil6210_priv *wil) wil6210_mask_irq_tx(wil); wil6210_mask_irq_tx_edma(wil); wil6210_mask_irq_rx(wil); + wil6210_mask_irq_rx_edma(wil); wil6210_mask_irq_misc(wil, true); wil6210_mask_irq_pseudo(wil); } @@ -195,10 +209,13 @@ void wil_unmask_irq(struct wil6210_priv *wil) WIL_ICR_ICC_MISC_VALUE); wil_w(wil, RGF_INT_GEN_TX_ICR + offsetof(struct RGF_ICR, ICC), WIL_ICR_ICC_VALUE); + wil_w(wil, RGF_INT_GEN_RX_ICR + offsetof(struct RGF_ICR, ICC), + WIL_ICR_ICC_VALUE); wil6210_unmask_irq_pseudo(wil); if (wil->use_enhanced_dma_hw) { wil6210_unmask_irq_tx_edma(wil); + wil6210_unmask_irq_rx_edma(wil); } else { wil6210_unmask_irq_tx(wil); wil6210_unmask_irq_rx(wil); @@ -335,6 +352,54 @@ static irqreturn_t wil6210_irq_rx(int irq, void *cookie) return IRQ_HANDLED; } +static irqreturn_t wil6210_irq_rx_edma(int irq, void *cookie) +{ + struct wil6210_priv *wil = cookie; + u32 isr = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_INT_GEN_RX_ICR) + + offsetof(struct RGF_ICR, ICR)); + bool need_unmask = true; + + trace_wil6210_irq_rx(isr); + wil_dbg_irq(wil, "ISR RX 0x%08x\n", isr); + + if (unlikely(!isr)) { + wil_err(wil, "spurious IRQ: RX\n"); + return IRQ_NONE; + } + + wil6210_mask_irq_rx_edma(wil); + + if (likely(isr & BIT_RX_STATUS_IRQ)) { + wil_dbg_irq(wil, "RX status ring\n"); + isr &= ~BIT_RX_STATUS_IRQ; + if (likely(test_bit(wil_status_fwready, wil->status))) { + if (likely(test_bit(wil_status_napi_en, wil->status))) { + wil_dbg_txrx(wil, "NAPI(Rx) schedule\n"); + need_unmask = false; + napi_schedule(&wil->napi_rx); + } else { + wil_err(wil, + "Got Rx interrupt while stopping interface\n"); + } + } else { + wil_err(wil, "Got Rx interrupt while in reset\n"); + } + } + + if (unlikely(isr)) + wil_err(wil, "un-handled RX ISR bits 0x%08x\n", isr); + + /* Rx IRQ will be enabled when NAPI processing finished */ + + atomic_inc(&wil->isr_count_rx); + + if (unlikely(need_unmask)) + wil6210_unmask_irq_rx_edma(wil); + + return IRQ_HANDLED; +} + static irqreturn_t wil6210_irq_tx_edma(int irq, void *cookie) { struct wil6210_priv *wil = cookie; @@ -594,12 +659,20 @@ static irqreturn_t wil6210_thread_irq(int irq, void *cookie) */ static int wil6210_debug_irq_mask(struct wil6210_priv *wil, u32 pseudo_cause) { - u32 icm_rx = 0, icr_rx = 0, imv_rx = 0; + u32 icm_rx, icr_rx, imv_rx; u32 icm_tx, icr_tx, imv_tx; u32 icm_misc, icr_misc, imv_misc; if (!test_bit(wil_status_irqen, wil->status)) { if (wil->use_enhanced_dma_hw) { + icm_rx = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_INT_GEN_RX_ICR) + + offsetof(struct RGF_ICR, ICM)); + icr_rx = wil_ioread32_and_clear(wil->csr + + HOSTADDR(RGF_INT_GEN_RX_ICR) + + offsetof(struct RGF_ICR, ICR)); + imv_rx = wil_r(wil, RGF_INT_GEN_RX_ICR + + offsetof(struct RGF_ICR, IMV)); icm_tx = wil_ioread32_and_clear(wil->csr + HOSTADDR(RGF_INT_GEN_TX_ICR) + offsetof(struct RGF_ICR, ICM)); @@ -691,7 +764,7 @@ static irqreturn_t wil6210_hardirq(int irq, void *cookie) * voting for wake thread - need at least 1 vote */ if ((pseudo_cause & BIT_DMA_PSEUDO_CAUSE_RX) && - (wil6210_irq_rx(irq, cookie) == IRQ_WAKE_THREAD)) + (wil->txrx_ops.irq_rx(irq, cookie) == IRQ_WAKE_THREAD)) rc = IRQ_WAKE_THREAD; if ((pseudo_cause & BIT_DMA_PSEUDO_CAUSE_TX) && @@ -723,6 +796,8 @@ void wil6210_clear_irq(struct wil6210_priv *wil) offsetof(struct RGF_ICR, ICR)); wil_clear32(wil->csr + HOSTADDR(RGF_DMA_EP_TX_ICR) + offsetof(struct RGF_ICR, ICR)); + wil_clear32(wil->csr + HOSTADDR(RGF_INT_GEN_RX_ICR) + + offsetof(struct RGF_ICR, ICR)); wil_clear32(wil->csr + HOSTADDR(RGF_INT_GEN_TX_ICR) + offsetof(struct RGF_ICR, ICR)); wil_clear32(wil->csr + HOSTADDR(RGF_DMA_EP_MISC_ICR) + @@ -753,10 +828,13 @@ int wil6210_init_irq(struct wil6210_priv *wil, int irq, bool use_msi) wil_dbg_misc(wil, "init_irq: %s\n", use_msi ? "MSI" : "INTx"); - if (wil->use_enhanced_dma_hw) + if (wil->use_enhanced_dma_hw) { wil->txrx_ops.irq_tx = wil6210_irq_tx_edma; - else + wil->txrx_ops.irq_rx = wil6210_irq_rx_edma; + } else { wil->txrx_ops.irq_tx = wil6210_irq_tx; + wil->txrx_ops.irq_rx = wil6210_irq_rx; + } rc = request_threaded_irq(irq, wil6210_hardirq, wil6210_thread_irq, use_msi ? 0 : IRQF_SHARED, diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index c820c86918f0..e0072b6c7a44 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -632,6 +632,7 @@ int wil_priv_init(struct wil6210_priv *wil) /* edma configuration can be updated via debugfs before allocation */ wil->num_rx_status_rings = WIL_DEFAULT_NUM_RX_STATUS_RINGS; wil->use_compressed_rx_status = true; + wil->use_rx_hw_reordering = true; wil->tx_status_ring_order = WIL_TX_SRING_SIZE_ORDER_DEFAULT; /* Rx status ring size should be bigger than the number of RX buffers @@ -645,6 +646,8 @@ int wil_priv_init(struct wil6210_priv *wil) */ wil->rx_buff_id_count = WIL_RX_BUFF_ARR_SIZE_DEFAULT; + wil->amsdu_en = 1; + return 0; out_wmi_wq: diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c index eeda2b618e6e..7a78a06bd356 100644 --- a/drivers/net/wireless/ath/wil6210/netdev.c +++ b/drivers/net/wireless/ath/wil6210/netdev.c @@ -120,6 +120,27 @@ static int wil6210_netdev_poll_rx(struct napi_struct *napi, int budget) return done; } +static int wil6210_netdev_poll_rx_edma(struct napi_struct *napi, int budget) +{ + struct wil6210_priv *wil = container_of(napi, struct wil6210_priv, + napi_rx); + int quota = budget; + int done; + + wil_rx_handle_edma(wil, "a); + done = budget - quota; + + if (done < budget) { + napi_complete_done(napi, done); + wil6210_unmask_irq_rx_edma(wil); + wil_dbg_txrx(wil, "NAPI RX complete\n"); + } + + wil_dbg_txrx(wil, "NAPI RX poll(%d) done %d\n", budget, done); + + return done; +} + static int wil6210_netdev_poll_tx(struct napi_struct *napi, int budget) { struct wil6210_priv *wil = container_of(napi, struct wil6210_priv, @@ -442,17 +463,21 @@ int wil_if_add(struct wil6210_priv *wil) } init_dummy_netdev(&wil->napi_ndev); - netif_napi_add(&wil->napi_ndev, &wil->napi_rx, wil6210_netdev_poll_rx, - WIL6210_NAPI_BUDGET); - if (wil->use_enhanced_dma_hw) + if (wil->use_enhanced_dma_hw) { + netif_napi_add(&wil->napi_ndev, &wil->napi_rx, + wil6210_netdev_poll_rx_edma, + WIL6210_NAPI_BUDGET); netif_tx_napi_add(&wil->napi_ndev, &wil->napi_tx, wil6210_netdev_poll_tx_edma, WIL6210_NAPI_BUDGET); - else + } else { + netif_napi_add(&wil->napi_ndev, &wil->napi_rx, + wil6210_netdev_poll_rx, + WIL6210_NAPI_BUDGET); netif_tx_napi_add(&wil->napi_ndev, &wil->napi_tx, wil6210_netdev_poll_tx, WIL6210_NAPI_BUDGET); - + } wil_update_net_queues_bh(wil, vif, NULL, true); diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index c01c5348b7e0..8b148cb91372 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -103,6 +103,7 @@ int wil_set_capabilities(struct wil6210_priv *wil) wil->rgf_ucode_assert_code_addr = TALYN_RGF_UCODE_ASSERT_CODE; set_bit(hw_capa_no_flash, wil->hw_capa); wil->use_enhanced_dma_hw = true; + wil->use_rx_hw_reordering = true; break; default: wil_err(wil, "Unknown board hardware, chip_id 0x%08x, chip_revision 0x%08x\n", diff --git a/drivers/net/wireless/ath/wil6210/pm.c b/drivers/net/wireless/ath/wil6210/pm.c index ba81fb3ac96f..3a4194779ddf 100644 --- a/drivers/net/wireless/ath/wil6210/pm.c +++ b/drivers/net/wireless/ath/wil6210/pm.c @@ -211,7 +211,7 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil) goto reject_suspend; } - if (!wil_is_rx_idle(wil)) { + if (!wil->txrx_ops.is_rx_idle(wil)) { wil_dbg_pm(wil, "Pending RX data, reject suspend\n"); wil->suspend_stats.rejected_by_host++; goto reject_suspend; @@ -235,9 +235,9 @@ static int wil_suspend_keep_radio_on(struct wil6210_priv *wil) start = jiffies; data_comp_to = jiffies + msecs_to_jiffies(WIL_DATA_COMPLETION_TO_MS); if (test_bit(wil_status_napi_en, wil->status)) { - while (!wil_is_rx_idle(wil)) { + while (!wil->txrx_ops.is_rx_idle(wil)) { if (time_after(jiffies, data_comp_to)) { - if (wil_is_rx_idle(wil)) + if (wil->txrx_ops.is_rx_idle(wil)) break; wil_err(wil, "TO waiting for idle RX, suspend failed\n"); diff --git a/drivers/net/wireless/ath/wil6210/rx_reorder.c b/drivers/net/wireless/ath/wil6210/rx_reorder.c index a586929f72d4..22475a1ddb7f 100644 --- a/drivers/net/wireless/ath/wil6210/rx_reorder.c +++ b/drivers/net/wireless/ath/wil6210/rx_reorder.c @@ -95,17 +95,17 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) { struct wil6210_vif *vif; struct net_device *ndev; - struct vring_rx_desc *d = wil_skb_rxdesc(skb); - int tid = wil_rxdesc_tid(d); - int cid = wil_rxdesc_cid(d); - int mid = wil_rxdesc_mid(d); - u16 seq = wil_rxdesc_seq(d); - int mcast = wil_rxdesc_mcast(d); - struct wil_sta_info *sta = &wil->sta[cid]; + int tid, cid, mid, mcast; + u16 seq; + struct wil_sta_info *sta; struct wil_tid_ampdu_rx *r; u16 hseq; int index; + wil->txrx_ops.get_reorder_params(wil, skb, &tid, &cid, &mid, &seq, + &mcast); + sta = &wil->sta[cid]; + wil_dbg_txrx(wil, "MID %d CID %d TID %d Seq 0x%03x mcast %01x\n", mid, cid, tid, seq, mcast); @@ -315,7 +315,10 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) * bits 6..15: buffer size */ u16 req_agg_wsize = WIL_GET_BITS(param_set, 6, 15); - bool agg_amsdu = !!(param_set & BIT(0)); + bool agg_amsdu = wil->use_enhanced_dma_hw && + wil->use_rx_hw_reordering && + test_bit(WMI_FW_CAPABILITY_AMSDU, wil->fw_capabilities) && + wil->amsdu_en && (param_set & BIT(0)); int ba_policy = param_set & BIT(1); u16 status = WLAN_STATUS_SUCCESS; u16 ssn = seq_ctrl >> 4; @@ -360,8 +363,9 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) } } - rc = wmi_addba_rx_resp(wil, mid, cid, tid, dialog_token, status, - agg_amsdu, agg_wsize, agg_timeout); + rc = wil->txrx_ops.wmi_addba_rx_resp(wil, mid, cid, tid, dialog_token, + status, agg_amsdu, agg_wsize, + agg_timeout); if (rc || (status != WLAN_STATUS_SUCCESS)) { wil_err(wil, "do not apply ba, rc(%d), status(%d)\n", rc, status); diff --git a/drivers/net/wireless/ath/wil6210/trace.h b/drivers/net/wireless/ath/wil6210/trace.h index 6aed2461b0d4..853abc3a73e4 100644 --- a/drivers/net/wireless/ath/wil6210/trace.h +++ b/drivers/net/wireless/ath/wil6210/trace.h @@ -187,6 +187,40 @@ TRACE_EVENT(wil6210_rx, __entry->seq, __entry->type, __entry->subtype) ); +TRACE_EVENT(wil6210_rx_status, + TP_PROTO(struct wil6210_priv *wil, u8 use_compressed, u16 buff_id, + void *msg), + TP_ARGS(wil, use_compressed, buff_id, msg), + TP_STRUCT__entry(__field(u8, use_compressed) + __field(u16, buff_id) + __field(unsigned int, len) + __field(u8, mid) + __field(u8, cid) + __field(u8, tid) + __field(u8, type) + __field(u8, subtype) + __field(u16, seq) + __field(u8, mcs) + ), + TP_fast_assign(__entry->use_compressed = use_compressed; + __entry->buff_id = buff_id; + __entry->len = wil_rx_status_get_length(msg); + __entry->mid = wil_rx_status_get_mid(msg); + __entry->cid = wil_rx_status_get_cid(msg); + __entry->tid = wil_rx_status_get_tid(msg); + __entry->type = wil_rx_status_get_frame_type(wil, + msg); + __entry->subtype = wil_rx_status_get_fc1(wil, msg); + __entry->seq = wil_rx_status_get_seq(wil, msg); + __entry->mcs = wil_rx_status_get_mcs(msg); + ), + TP_printk( + "compressed %d buff_id %d len %d mid %d cid %d tid %d mcs %d seq 0x%03x type 0x%1x subtype 0x%1x", + __entry->use_compressed, __entry->buff_id, __entry->len, + __entry->mid, __entry->cid, __entry->tid, __entry->mcs, + __entry->seq, __entry->type, __entry->subtype) +); + TRACE_EVENT(wil6210_tx, TP_PROTO(u8 vring, u16 index, unsigned int len, u8 frags), TP_ARGS(vring, index, len, frags), diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 12d509e7f29c..2098f3cc1cec 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -28,6 +28,7 @@ #include "wmi.h" #include "txrx.h" #include "trace.h" +#include "txrx_edma.h" static bool rtap_include_phy_info; module_param(rtap_include_phy_info, bool, 0444); @@ -407,14 +408,7 @@ static void wil_rx_add_radiotap_header(struct wil6210_priv *wil, } } -/* similar to ieee80211_ version, but FC contain only 1-st byte */ -static inline int wil_is_back_req(u8 fc) -{ - return (fc & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == - (IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); -} - -bool wil_is_rx_idle(struct wil6210_priv *wil) +static bool wil_is_rx_idle(struct wil6210_priv *wil) { struct vring_rx_desc *_d; struct wil_ring *ring = &wil->ring_rx; @@ -639,7 +633,7 @@ static int wil_rx_refill(struct wil6210_priv *wil, int count) * Cut'n'paste from original memcmp (see lib/string.c) * with minimal modifications */ -static int reverse_memcmp(const void *cs, const void *ct, size_t count) +int reverse_memcmp(const void *cs, const void *ct, size_t count) { const unsigned char *su1, *su2; int res = 0; @@ -684,6 +678,15 @@ static int wil_rx_crypto_check(struct wil6210_priv *wil, struct sk_buff *skb) return 0; } +static void wil_get_netif_rx_params(struct sk_buff *skb, int *cid, + int *security) +{ + struct vring_rx_desc *d = wil_skb_rxdesc(skb); + + *cid = wil_rxdesc_cid(d); /* always 0..7, no need to check */ + *security = wil_rxdesc_security(d); +} + /* * Pass Rx packet to the netif. Update statistics. * Called in softirq context (NAPI poll). @@ -695,15 +698,14 @@ void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) struct wil6210_priv *wil = ndev_to_wil(ndev); struct wireless_dev *wdev = vif_to_wdev(vif); unsigned int len = skb->len; - struct vring_rx_desc *d = wil_skb_rxdesc(skb); - int cid = wil_rxdesc_cid(d); /* always 0..7, no need to check */ - int security = wil_rxdesc_security(d); + int cid; + int security; struct ethhdr *eth = (void *)skb->data; /* here looking for DA, not A1, thus Rxdesc's 'mcast' indication * is not suitable, need to look at data */ int mcast = is_multicast_ether_addr(eth->h_dest); - struct wil_net_stats *stats = &wil->sta[cid].stats; + struct wil_net_stats *stats; struct sk_buff *xmit_skb = NULL; static const char * const gro_res_str[] = { [GRO_MERGED] = "GRO_MERGED", @@ -713,6 +715,10 @@ void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) [GRO_DROP] = "GRO_DROP", }; + wil->txrx_ops.get_netif_rx_params(skb, &cid, &security); + + stats = &wil->sta[cid].stats; + if (ndev->features & NETIF_F_RXHASH) /* fake L4 to ensure it won't be re-calculated later * set hash to any non-zero value to activate rps @@ -723,7 +729,7 @@ void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) skb_orphan(skb); - if (security && (wil_rx_crypto_check(wil, skb) != 0)) { + if (security && (wil->txrx_ops.rx_crypto_check(wil, skb) != 0)) { rc = GRO_DROP; dev_kfree_skb(skb); stats->rx_replay++; @@ -2172,6 +2178,19 @@ static inline int wil_tx_init(struct wil6210_priv *wil) static inline void wil_tx_fini(struct wil6210_priv *wil) {} +static void wil_get_reorder_params(struct wil6210_priv *wil, + struct sk_buff *skb, int *tid, int *cid, + int *mid, u16 *seq, int *mcast) +{ + struct vring_rx_desc *d = wil_skb_rxdesc(skb); + + *tid = wil_rxdesc_tid(d); + *cid = wil_rxdesc_cid(d); + *mid = wil_rxdesc_mid(d); + *seq = wil_rxdesc_seq(d); + *mcast = wil_rxdesc_mcast(d); +} + void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil) { wil->txrx_ops.configure_interrupt_moderation = @@ -2187,5 +2206,11 @@ void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil) wil->txrx_ops.tx_fini = wil_tx_fini; /* RX ops */ wil->txrx_ops.rx_init = wil_rx_init; + wil->txrx_ops.wmi_addba_rx_resp = wmi_addba_rx_resp; + wil->txrx_ops.get_reorder_params = wil_get_reorder_params; + wil->txrx_ops.get_netif_rx_params = + wil_get_netif_rx_params; + wil->txrx_ops.rx_crypto_check = wil_rx_crypto_check; + wil->txrx_ops.is_rx_idle = wil_is_rx_idle; wil->txrx_ops.rx_fini = wil_rx_fini; } diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h index 62806c5bb930..f361423628f5 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.h +++ b/drivers/net/wireless/ath/wil6210/txrx.h @@ -592,6 +592,13 @@ static inline int wil_get_min_tx_ring_id(struct wil6210_priv *wil) return wil->use_enhanced_dma_hw ? 1 : 0; } +/* similar to ieee80211_ version, but FC contain only 1-st byte */ +static inline int wil_is_back_req(u8 fc) +{ + return (fc & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) == + (IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ); +} + /* wil_val_in_range - check if value in [min,max) */ static inline bool wil_val_in_range(int val, int min, int max) { diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c index c449286823a9..95f38e65d969 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.c +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -208,6 +208,13 @@ static int wil_ring_alloc_skb_edma(struct wil6210_priv *wil, return 0; } +static inline +void wil_get_next_rx_status_msg(struct wil_status_ring *sring, void *msg) +{ + memcpy(msg, (void *)(sring->va + (sring->elem_size * sring->swhead)), + sring->elem_size); +} + static inline void wil_sring_advance_swhead(struct wil_status_ring *sring) { sring->swhead = (sring->swhead + 1) % sring->size; @@ -493,6 +500,96 @@ out_free: return rc; } +static void wil_get_reorder_params_edma(struct wil6210_priv *wil, + struct sk_buff *skb, int *tid, + int *cid, int *mid, u16 *seq, + int *mcast) +{ + struct wil_rx_status_extended *s = wil_skb_rxstatus(skb); + + *tid = wil_rx_status_get_tid(s); + *cid = wil_rx_status_get_cid(s); + *mid = wil_rx_status_get_mid(s); + *seq = le16_to_cpu(wil_rx_status_get_seq(wil, s)); + *mcast = wil_rx_status_get_mcast(s); +} + +static void wil_get_netif_rx_params_edma(struct sk_buff *skb, int *cid, + int *security) +{ + struct wil_rx_status_extended *s = wil_skb_rxstatus(skb); + + *cid = wil_rx_status_get_cid(s); + *security = wil_rx_status_get_security(s); +} + +static int wil_rx_crypto_check_edma(struct wil6210_priv *wil, + struct sk_buff *skb) +{ + struct wil_rx_status_extended *st; + int cid, tid, key_id, mc; + struct wil_sta_info *s; + struct wil_tid_crypto_rx *c; + struct wil_tid_crypto_rx_single *cc; + const u8 *pn; + + /* In HW reorder, HW is responsible for crypto check */ + if (wil->use_rx_hw_reordering) + return 0; + + st = wil_skb_rxstatus(skb); + + cid = wil_rx_status_get_cid(st); + tid = wil_rx_status_get_tid(st); + key_id = wil_rx_status_get_key_id(st); + mc = wil_rx_status_get_mcast(st); + s = &wil->sta[cid]; + c = mc ? &s->group_crypto_rx : &s->tid_crypto_rx[tid]; + cc = &c->key_id[key_id]; + pn = (u8 *)&st->ext.pn_15_0; + + if (!cc->key_set) { + wil_err_ratelimited(wil, + "Key missing. CID %d TID %d MCast %d KEY_ID %d\n", + cid, tid, mc, key_id); + return -EINVAL; + } + + if (reverse_memcmp(pn, cc->pn, IEEE80211_GCMP_PN_LEN) <= 0) { + wil_err_ratelimited(wil, + "Replay attack. CID %d TID %d MCast %d KEY_ID %d PN %6phN last %6phN\n", + cid, tid, mc, key_id, pn, cc->pn); + return -EINVAL; + } + memcpy(cc->pn, pn, IEEE80211_GCMP_PN_LEN); + + return 0; +} + +static bool wil_is_rx_idle_edma(struct wil6210_priv *wil) +{ + struct wil_status_ring *sring; + struct wil_rx_status_extended msg1; + void *msg = &msg1; + u8 dr_bit; + int i; + + for (i = 0; i < wil->num_rx_status_rings; i++) { + sring = &wil->srings[i]; + if (!sring->va) + continue; + + wil_get_next_rx_status_msg(sring, msg); + dr_bit = wil_rx_status_get_desc_rdy_bit(msg); + + /* Check if there are unhandled RX status messages */ + if (dr_bit == sring->desc_rdy_pol) + return false; + } + + return true; +} + static void wil_rx_buf_len_init_edma(struct wil6210_priv *wil) { wil->rx_buf_len = rx_large_buf ? @@ -510,6 +607,13 @@ static int wil_rx_init_edma(struct wil6210_priv *wil, u16 desc_ring_size) int i; u16 max_rx_pl_per_desc; + /* In SW reorder one must use extended status messages */ + if (wil->use_compressed_rx_status && !wil->use_rx_hw_reordering) { + wil_err(wil, + "compressed RX status cannot be used with SW reorder\n"); + return -EINVAL; + } + if (wil->rx_status_ring_order < WIL_SRING_SIZE_ORDER_MIN || wil->rx_status_ring_order > WIL_SRING_SIZE_ORDER_MAX) wil->rx_status_ring_order = WIL_RX_SRING_SIZE_ORDER_DEFAULT; @@ -634,6 +738,353 @@ static int wil_ring_init_tx_edma(struct wil6210_vif *vif, int ring_id, return rc; } +/* This function is used only for RX SW reorder */ +static int wil_check_bar(struct wil6210_priv *wil, void *msg, int cid, + struct sk_buff *skb, struct wil_net_stats *stats) +{ + u8 ftype; + u8 fc1; + int mid; + int tid; + u16 seq; + struct wil6210_vif *vif; + + ftype = wil_rx_status_get_frame_type(wil, msg); + if (ftype == IEEE80211_FTYPE_DATA) + return 0; + + fc1 = wil_rx_status_get_fc1(wil, msg); + mid = wil_rx_status_get_mid(msg); + tid = wil_rx_status_get_tid(msg); + seq = le16_to_cpu(wil_rx_status_get_seq(wil, msg)); + vif = wil->vifs[mid]; + + if (unlikely(!vif)) { + wil_dbg_txrx(wil, "RX descriptor with invalid mid %d", mid); + return -EAGAIN; + } + + wil_dbg_txrx(wil, + "Non-data frame FC[7:0] 0x%02x MID %d CID %d TID %d Seq 0x%03x\n", + fc1, mid, cid, tid, seq); + if (stats) + stats->rx_non_data_frame++; + if (wil_is_back_req(fc1)) { + wil_dbg_txrx(wil, + "BAR: MID %d CID %d TID %d Seq 0x%03x\n", + mid, cid, tid, seq); + wil_rx_bar(wil, vif, cid, tid, seq); + } else { + u32 sz = wil->use_compressed_rx_status ? + sizeof(struct wil_rx_status_compressed) : + sizeof(struct wil_rx_status_extended); + + /* print again all info. One can enable only this + * without overhead for printing every Rx frame + */ + wil_dbg_txrx(wil, + "Unhandled non-data frame FC[7:0] 0x%02x MID %d CID %d TID %d Seq 0x%03x\n", + fc1, mid, cid, tid, seq); + wil_hex_dump_txrx("RxS ", DUMP_PREFIX_NONE, 32, 4, + (const void *)msg, sz, false); + wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1, + skb->data, skb_headlen(skb), false); + } + + return -EAGAIN; +} + +static int wil_rx_edma_check_errors(struct wil6210_priv *wil, void *msg, + struct wil_net_stats *stats, + struct sk_buff *skb) +{ + int error; + int l2_rx_status; + int l3_rx_status; + int l4_rx_status; + + error = wil_rx_status_get_error(msg); + if (!error) { + skb->ip_summed = CHECKSUM_UNNECESSARY; + return 0; + } + + l2_rx_status = wil_rx_status_get_l2_rx_status(msg); + if (l2_rx_status != 0) { + wil_dbg_txrx(wil, "L2 RX error, l2_rx_status=0x%x\n", + l2_rx_status); + /* Due to HW issue, KEY error will trigger a MIC error */ + if (l2_rx_status & WIL_RX_EDMA_ERROR_MIC) { + wil_dbg_txrx(wil, + "L2 MIC/KEY error, dropping packet\n"); + stats->rx_mic_error++; + } + if (l2_rx_status & WIL_RX_EDMA_ERROR_KEY) { + wil_dbg_txrx(wil, "L2 KEY error, dropping packet\n"); + stats->rx_key_error++; + } + if (l2_rx_status & WIL_RX_EDMA_ERROR_REPLAY) { + wil_dbg_txrx(wil, + "L2 REPLAY error, dropping packet\n"); + stats->rx_replay++; + } + if (l2_rx_status & WIL_RX_EDMA_ERROR_AMSDU) { + wil_dbg_txrx(wil, + "L2 AMSDU error, dropping packet\n"); + stats->rx_amsdu_error++; + } + return -EFAULT; + } + + l3_rx_status = wil_rx_status_get_l3_rx_status(msg); + l4_rx_status = wil_rx_status_get_l4_rx_status(msg); + if (!l3_rx_status && !l4_rx_status) + skb->ip_summed = CHECKSUM_UNNECESSARY; + /* If HW reports bad checksum, let IP stack re-check it + * For example, HW don't understand Microsoft IP stack that + * mis-calculates TCP checksum - if it should be 0x0, + * it writes 0xffff in violation of RFC 1624 + */ + + return 0; +} + +static struct sk_buff *wil_sring_reap_rx_edma(struct wil6210_priv *wil, + struct wil_status_ring *sring) +{ + struct device *dev = wil_to_dev(wil); + struct wil_rx_status_extended msg1; + void *msg = &msg1; + u16 buff_id; + struct sk_buff *skb; + dma_addr_t pa; + struct wil_ring_rx_data *rxdata = &sring->rx_data; + unsigned int sz = wil->rx_buf_len + ETH_HLEN + + WIL_EDMA_MAX_DATA_OFFSET; + struct wil_net_stats *stats = NULL; + u16 dmalen; + int cid; + int rc; + bool eop, headstolen; + int delta; + u8 dr_bit; + u8 data_offset; + struct wil_rx_status_extended *s; + u16 sring_idx = sring - wil->srings; + + BUILD_BUG_ON(sizeof(struct wil_rx_status_extended) > sizeof(skb->cb)); + +again: + wil_get_next_rx_status_msg(sring, msg); + dr_bit = wil_rx_status_get_desc_rdy_bit(msg); + + /* Completed handling all the ready status messages */ + if (dr_bit != sring->desc_rdy_pol) + return NULL; + + /* Extract the buffer ID from the status message */ + buff_id = le16_to_cpu(wil_rx_status_get_buff_id(msg)); + if (unlikely(!wil_val_in_range(buff_id, 0, wil->rx_buff_mgmt.size))) { + wil_err(wil, "Corrupt buff_id=%d, sring->swhead=%d\n", + buff_id, sring->swhead); + wil_sring_advance_swhead(sring); + goto again; + } + + wil_sring_advance_swhead(sring); + + /* Extract the SKB from the rx_buff management array */ + skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb; + wil->rx_buff_mgmt.buff_arr[buff_id].skb = NULL; + if (!skb) { + wil_err(wil, "No Rx skb at buff_id %d\n", buff_id); + goto again; + } + + memcpy(&pa, skb->cb, sizeof(pa)); + dma_unmap_single(dev, pa, sz, DMA_FROM_DEVICE); + dmalen = le16_to_cpu(wil_rx_status_get_length(msg)); + + trace_wil6210_rx_status(wil, wil->use_compressed_rx_status, buff_id, + msg); + wil_dbg_txrx(wil, "Rx, buff_id=%u, sring_idx=%u, dmalen=%u bytes\n", + buff_id, sring_idx, dmalen); + wil_hex_dump_txrx("RxS ", DUMP_PREFIX_NONE, 32, 4, + (const void *)msg, wil->use_compressed_rx_status ? + sizeof(struct wil_rx_status_compressed) : + sizeof(struct wil_rx_status_extended), false); + + /* Move the buffer from the active list to the free list */ + list_move(&wil->rx_buff_mgmt.buff_arr[buff_id].list, + &wil->rx_buff_mgmt.free); + + eop = wil_rx_status_get_eop(msg); + + cid = wil_rx_status_get_cid(msg); + if (unlikely(!wil_val_in_range(cid, 0, WIL6210_MAX_CID))) { + wil_err(wil, "Corrupt cid=%d, sring->swhead=%d\n", + cid, sring->swhead); + rxdata->skipping = true; + goto skipping; + } + stats = &wil->sta[cid].stats; + + if (unlikely(skb->len < ETH_HLEN)) { + wil_dbg_txrx(wil, "Short frame, len = %d\n", skb->len); + stats->rx_short_frame++; + rxdata->skipping = true; + goto skipping; + } + + /* Check and treat errors reported by HW */ + rc = wil_rx_edma_check_errors(wil, msg, stats, skb); + if (rc) { + rxdata->skipping = true; + goto skipping; + } + + if (unlikely(dmalen > sz)) { + wil_err(wil, "Rx size too large: %d bytes!\n", dmalen); + stats->rx_large_frame++; + rxdata->skipping = true; + } + +skipping: + /* skipping indicates if a certain SKB should be dropped. + * It is set in case there is an error on the current SKB or in case + * of RX chaining: as long as we manage to merge the SKBs it will + * be false. once we have a bad SKB or we don't manage to merge SKBs + * it will be set to the !EOP value of the current SKB. + * This guarantees that all the following SKBs until EOP will also + * get dropped. + */ + if (unlikely(rxdata->skipping)) { + kfree_skb(skb); + if (rxdata->skb) { + kfree_skb(rxdata->skb); + rxdata->skb = NULL; + } + rxdata->skipping = !eop; + goto again; + } + + skb_trim(skb, dmalen); + + prefetch(skb->data); + + if (!rxdata->skb) { + rxdata->skb = skb; + } else { + if (likely(skb_try_coalesce(rxdata->skb, skb, &headstolen, + &delta))) { + kfree_skb_partial(skb, headstolen); + } else { + wil_err(wil, "failed to merge skbs!\n"); + kfree_skb(skb); + kfree_skb(rxdata->skb); + rxdata->skb = NULL; + rxdata->skipping = !eop; + goto again; + } + } + + if (!eop) + goto again; + + /* reaching here rxdata->skb always contains a full packet */ + skb = rxdata->skb; + rxdata->skb = NULL; + rxdata->skipping = false; + + if (stats) { + stats->last_mcs_rx = wil_rx_status_get_mcs(msg); + if (stats->last_mcs_rx < ARRAY_SIZE(stats->rx_per_mcs)) + stats->rx_per_mcs[stats->last_mcs_rx]++; + } + + if (!wil->use_rx_hw_reordering && !wil->use_compressed_rx_status && + wil_check_bar(wil, msg, cid, skb, stats) == -EAGAIN) { + kfree_skb(skb); + goto again; + } + + /* Compensate for the HW data alignment according to the status + * message + */ + data_offset = wil_rx_status_get_data_offset(msg); + if (data_offset == 0xFF || + data_offset > WIL_EDMA_MAX_DATA_OFFSET) { + wil_err(wil, "Unexpected data offset %d\n", data_offset); + kfree_skb(skb); + goto again; + } + + skb_pull(skb, data_offset); + + wil_hex_dump_txrx("Rx ", DUMP_PREFIX_OFFSET, 16, 1, + skb->data, skb_headlen(skb), false); + + /* Has to be done after dma_unmap_single as skb->cb is also + * used for holding the pa + */ + s = wil_skb_rxstatus(skb); + memcpy(s, msg, sring->elem_size); + + return skb; +} + +void wil_rx_handle_edma(struct wil6210_priv *wil, int *quota) +{ + struct net_device *ndev; + struct wil_ring *ring = &wil->ring_rx; + struct wil_status_ring *sring; + struct sk_buff *skb; + int i; + + if (unlikely(!ring->va)) { + wil_err(wil, "Rx IRQ while Rx not yet initialized\n"); + return; + } + wil_dbg_txrx(wil, "rx_handle\n"); + + for (i = 0; i < wil->num_rx_status_rings; i++) { + sring = &wil->srings[i]; + if (unlikely(!sring->va)) { + wil_err(wil, + "Rx IRQ while Rx status ring %d not yet initialized\n", + i); + continue; + } + + while ((*quota > 0) && + (NULL != (skb = + wil_sring_reap_rx_edma(wil, sring)))) { + (*quota)--; + if (wil->use_rx_hw_reordering) { + void *msg = wil_skb_rxstatus(skb); + int mid = wil_rx_status_get_mid(msg); + struct wil6210_vif *vif = wil->vifs[mid]; + + if (unlikely(!vif)) { + wil_dbg_txrx(wil, + "RX desc invalid mid %d", + mid); + kfree_skb(skb); + continue; + } + ndev = vif_to_ndev(vif); + wil_netif_rx_any(skb, ndev); + } else { + wil_rx_reorder(wil, skb); + } + } + + wil_w(wil, sring->hwtail, (sring->swhead - 1) % sring->size); + } + + wil_rx_refill_edma(wil); +} + static int wil_tx_desc_map_edma(union wil_tx_desc *desc, dma_addr_t pa, u32 len, @@ -1137,6 +1588,11 @@ void wil_init_txrx_ops_edma(struct wil6210_priv *wil) wil->txrx_ops.tx_ring_tso = __wil_tx_ring_tso_edma; /* RX ops */ wil->txrx_ops.rx_init = wil_rx_init_edma; + wil->txrx_ops.wmi_addba_rx_resp = wmi_addba_rx_resp_edma; + wil->txrx_ops.get_reorder_params = wil_get_reorder_params_edma; + wil->txrx_ops.get_netif_rx_params = wil_get_netif_rx_params_edma; + wil->txrx_ops.rx_crypto_check = wil_rx_crypto_check_edma; + wil->txrx_ops.is_rx_idle = wil_is_rx_idle_edma; wil->txrx_ops.rx_fini = wil_rx_fini_edma; } diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.h b/drivers/net/wireless/ath/wil6210/txrx_edma.h index 8eae181877b9..e86fc2dc0ce0 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.h +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.h @@ -38,6 +38,27 @@ #define WIL_EDMA_IDLE_TIME_LIMIT_USEC (50) #define WIL_EDMA_TIME_UNIT_CLK_CYCLES (330) /* fits 1 usec */ +/* Error field */ +#define WIL_RX_EDMA_ERROR_MIC (1) +#define WIL_RX_EDMA_ERROR_KEY (2) /* Key missing */ +#define WIL_RX_EDMA_ERROR_REPLAY (3) +#define WIL_RX_EDMA_ERROR_AMSDU (4) +#define WIL_RX_EDMA_ERROR_FCS (7) + +#define WIL_RX_EDMA_ERROR_L3_ERR (BIT(0) | BIT(1)) +#define WIL_RX_EDMA_ERROR_L4_ERR (BIT(0) | BIT(1)) + +#define WIL_RX_EDMA_DLPF_LU_MISS_BIT BIT(11) +#define WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK 0x7 +#define WIL_RX_EDMA_DLPF_LU_HIT_CID_TID_MASK 0xf + +#define WIL_RX_EDMA_DLPF_LU_MISS_CID_POS 2 +#define WIL_RX_EDMA_DLPF_LU_HIT_CID_POS 4 + +#define WIL_RX_EDMA_DLPF_LU_MISS_TID_POS 5 + +#define WIL_RX_EDMA_MID_VALID_BIT BIT(22) + #define WIL_EDMA_DESC_TX_MAC_CFG_0_QID_POS 16 #define WIL_EDMA_DESC_TX_MAC_CFG_0_QID_LEN 6 @@ -329,6 +350,173 @@ struct wil_rx_status_extended { struct wil_rx_status_extension ext; } __packed; +static inline void *wil_skb_rxstatus(struct sk_buff *skb) +{ + return (void *)skb->cb; +} + +static inline __le16 wil_rx_status_get_length(void *msg) +{ + return ((struct wil_rx_status_compressed *)msg)->length; +} + +static inline u8 wil_rx_status_get_mcs(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, + 16, 21); +} + +static inline u16 wil_rx_status_get_flow_id(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 8, 19); +} + +static inline u8 wil_rx_status_get_mcast(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 26, 26); +} + +/** + * In case of DLPF miss the parsing of flow Id should be as follows: + * dest_id:2 + * src_id :3 - cid + * tid:3 + * Otherwise: + * tid:4 + * cid:4 + */ + +static inline u8 wil_rx_status_get_cid(void *msg) +{ + u16 val = wil_rx_status_get_flow_id(msg); + + if (val & WIL_RX_EDMA_DLPF_LU_MISS_BIT) + /* CID is in bits 2..4 */ + return (val >> WIL_RX_EDMA_DLPF_LU_MISS_CID_POS) & + WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; + else + /* CID is in bits 4..7 */ + return (val >> WIL_RX_EDMA_DLPF_LU_HIT_CID_POS) & + WIL_RX_EDMA_DLPF_LU_HIT_CID_TID_MASK; +} + +static inline u8 wil_rx_status_get_tid(void *msg) +{ + u16 val = wil_rx_status_get_flow_id(msg); + + if (val & WIL_RX_EDMA_DLPF_LU_MISS_BIT) + /* TID is in bits 5..7 */ + return (val >> WIL_RX_EDMA_DLPF_LU_MISS_TID_POS) & + WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; + else + /* TID is in bits 0..3 */ + return val & WIL_RX_EDMA_DLPF_LU_MISS_CID_TID_MASK; +} + +static inline int wil_rx_status_get_desc_rdy_bit(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 31, 31); +} + +static inline int wil_rx_status_get_eop(void *msg) /* EoP = End of Packet */ +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 30, 30); +} + +static inline __le16 wil_rx_status_get_buff_id(void *msg) +{ + return ((struct wil_rx_status_compressed *)msg)->buff_id; +} + +static inline u8 wil_rx_status_get_data_offset(void *msg) +{ + u8 val = WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, + 24, 27); + + switch (val) { + case 0: return 0; + case 3: return 2; + default: return 0xFF; + } +} + +static inline int wil_rx_status_get_frame_type(struct wil6210_priv *wil, + void *msg) +{ + if (wil->use_compressed_rx_status) + return IEEE80211_FTYPE_DATA; + + return WIL_GET_BITS(((struct wil_rx_status_extended *)msg)->ext.d1, + 0, 1) << 2; +} + +static inline int wil_rx_status_get_fc1(struct wil6210_priv *wil, void *msg) +{ + if (wil->use_compressed_rx_status) + return 0; + + return WIL_GET_BITS(((struct wil_rx_status_extended *)msg)->ext.d1, + 0, 5) << 2; +} + +static inline __le16 wil_rx_status_get_seq(struct wil6210_priv *wil, void *msg) +{ + if (wil->use_compressed_rx_status) + return 0; + + return ((struct wil_rx_status_extended *)msg)->ext.seq_num; +} + +static inline int wil_rx_status_get_mid(void *msg) +{ + if (!(((struct wil_rx_status_compressed *)msg)->d0 & + WIL_RX_EDMA_MID_VALID_BIT)) + return 0; /* use the default MID */ + + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 20, 21); +} + +static inline int wil_rx_status_get_error(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 29, 29); +} + +static inline int wil_rx_status_get_l2_rx_status(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 0, 2); +} + +static inline int wil_rx_status_get_l3_rx_status(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 3, 4); +} + +static inline int wil_rx_status_get_l4_rx_status(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 5, 6); +} + +static inline int wil_rx_status_get_security(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d0, + 28, 28); +} + +static inline u8 wil_rx_status_get_key_id(void *msg) +{ + return WIL_GET_BITS(((struct wil_rx_status_compressed *)msg)->d1, + 31, 31); +} + static inline u8 wil_tx_status_get_mcs(struct wil_ring_tx_status *msg) { return WIL_GET_BITS(msg->d2, 0, 4); @@ -367,6 +555,7 @@ dma_addr_t wil_rx_desc_get_addr_edma(struct wil_ring_rx_enhanced_dma *dma) void wil_configure_interrupt_moderation_edma(struct wil6210_priv *wil); int wil_tx_sring_handler(struct wil6210_priv *wil, struct wil_status_ring *sring); +void wil_rx_handle_edma(struct wil6210_priv *wil, int *quota); void wil_init_txrx_ops_edma(struct wil6210_priv *wil); #endif /* WIL6210_TXRX_EDMA_H */ diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index f35c64e1ca22..f8d4a2d88d91 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -323,9 +323,13 @@ struct RGF_ICR { #define BIT_CONTROL_0 BIT(0) /* eDMA status interrupts */ +#define RGF_INT_GEN_RX_ICR (0x8bc0f4) + #define BIT_RX_STATUS_IRQ BIT(WIL_RX_STATUS_IRQ_IDX) #define RGF_INT_GEN_TX_ICR (0x8bc110) #define BIT_TX_STATUS_IRQ BIT(WIL_TX_STATUS_IRQ_IDX) +#define RGF_INT_CTRL_RX_INT_MASK (0x8bc12c) #define RGF_INT_CTRL_TX_INT_MASK (0x8bc130) + #define RGF_INT_GEN_IDLE_TIME_LIMIT (0x8bc134) #define USER_EXT_USER_PMU_3 (0x88d00c) @@ -557,6 +561,17 @@ struct wil_txrx_ops { /* RX ops */ int (*rx_init)(struct wil6210_priv *wil, u16 ring_size); void (*rx_fini)(struct wil6210_priv *wil); + int (*wmi_addba_rx_resp)(struct wil6210_priv *wil, u8 mid, u8 cid, + u8 tid, u8 token, u16 status, bool amsdu, + u16 agg_wsize, u16 timeout); + void (*get_reorder_params)(struct wil6210_priv *wil, + struct sk_buff *skb, int *tid, int *cid, + int *mid, u16 *seq, int *mcast); + void (*get_netif_rx_params)(struct sk_buff *skb, + int *cid, int *security); + int (*rx_crypto_check)(struct wil6210_priv *wil, struct sk_buff *skb); + bool (*is_rx_idle)(struct wil6210_priv *wil); + irqreturn_t (*irq_rx)(int irq, void *cookie); }; /** @@ -952,6 +967,8 @@ struct wil6210_priv { u32 rx_status_ring_order; u32 tx_status_ring_order; u32 rx_buff_id_count; + bool amsdu_en; + bool use_rx_hw_reordering; }; #define wil_to_wiphy(i) (i->wiphy) @@ -1245,6 +1262,7 @@ void wil6210_unmask_irq_tx_edma(struct wil6210_priv *wil); /* RX API */ void wil_rx_handle(struct wil6210_priv *wil, int *quota); void wil6210_unmask_irq_rx(struct wil6210_priv *wil); +void wil6210_unmask_irq_rx_edma(struct wil6210_priv *wil); int wil_iftype_nl2wmi(enum nl80211_iftype type); @@ -1265,7 +1283,6 @@ bool wil_is_wmi_idle(struct wil6210_priv *wil); int wmi_resume(struct wil6210_priv *wil); int wmi_suspend(struct wil6210_priv *wil); bool wil_is_tx_idle(struct wil6210_priv *wil); -bool wil_is_rx_idle(struct wil6210_priv *wil); int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size); void wil_fw_core_dump(struct wil6210_priv *wil); @@ -1280,6 +1297,8 @@ int wmi_start_sched_scan(struct wil6210_priv *wil, int wmi_stop_sched_scan(struct wil6210_priv *wil); int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len); +int reverse_memcmp(const void *cs, const void *ct, size_t count); + /* WMI for enhanced DMA */ int wil_wmi_tx_sring_cfg(struct wil6210_priv *wil, int ring_id); int wil_wmi_cfg_def_rx_offload(struct wil6210_priv *wil, @@ -1289,5 +1308,8 @@ int wil_wmi_rx_desc_ring_add(struct wil6210_priv *wil, int status_ring_id); int wil_wmi_tx_desc_ring_add(struct wil6210_vif *vif, int ring_id, int cid, int tid); int wil_wmi_bcast_desc_ring_add(struct wil6210_vif *vif, int ring_id); +int wmi_addba_rx_resp_edma(struct wil6210_priv *wil, u8 mid, u8 cid, + u8 tid, u8 token, u16 status, bool amsdu, + u16 agg_wsize, u16 timeout); #endif /* __WIL6210_H__ */ diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index b2e966df57f5..0370b7e8dbb1 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -428,6 +428,8 @@ static const char *cmdid2name(u16 cmdid) return "WMI_RCP_DELBA_CMD"; case WMI_RCP_ADDBA_RESP_CMDID: return "WMI_RCP_ADDBA_RESP_CMD"; + case WMI_RCP_ADDBA_RESP_EDMA_CMDID: + return "WMI_RCP_ADDBA_RESP_EDMA_CMD"; case WMI_PS_DEV_PROFILE_CFG_CMDID: return "WMI_PS_DEV_PROFILE_CFG_CMD"; case WMI_SET_MGMT_RETRY_LIMIT_CMDID: @@ -2140,15 +2142,18 @@ int wmi_disconnect_sta(struct wil6210_vif *vif, const u8 *mac, int wmi_addba(struct wil6210_priv *wil, u8 mid, u8 ringid, u8 size, u16 timeout) { + u8 amsdu = wil->use_enhanced_dma_hw && wil->use_rx_hw_reordering && + test_bit(WMI_FW_CAPABILITY_AMSDU, wil->fw_capabilities) && + wil->amsdu_en; struct wmi_ring_ba_en_cmd cmd = { .ring_id = ringid, .agg_max_wsize = size, .ba_timeout = cpu_to_le16(timeout), - .amsdu = 0, + .amsdu = amsdu, }; - wil_dbg_wmi(wil, "addba: (ring %d size %d timeout %d)\n", ringid, size, - timeout); + wil_dbg_wmi(wil, "addba: (ring %d size %d timeout %d amsdu %d)\n", + ringid, size, timeout, amsdu); return wmi_send(wil, WMI_RING_BA_EN_CMDID, mid, &cmd, sizeof(cmd)); } @@ -2223,6 +2228,54 @@ int wmi_addba_rx_resp(struct wil6210_priv *wil, return rc; } +int wmi_addba_rx_resp_edma(struct wil6210_priv *wil, u8 mid, u8 cid, u8 tid, + u8 token, u16 status, bool amsdu, u16 agg_wsize, + u16 timeout) +{ + int rc; + struct wmi_rcp_addba_resp_edma_cmd cmd = { + .cid = cid, + .tid = tid, + .dialog_token = token, + .status_code = cpu_to_le16(status), + /* bit 0: A-MSDU supported + * bit 1: policy (should be 0 for us) + * bits 2..5: TID + * bits 6..15: buffer size + */ + .ba_param_set = cpu_to_le16((amsdu ? 1 : 0) | (tid << 2) | + (agg_wsize << 6)), + .ba_timeout = cpu_to_le16(timeout), + /* route all the connections to status ring 0 */ + .status_ring_id = WIL_DEFAULT_RX_STATUS_RING_ID, + }; + struct { + struct wmi_cmd_hdr wmi; + struct wmi_rcp_addba_resp_sent_event evt; + } __packed reply = { + .evt = {.status = cpu_to_le16(WMI_FW_STATUS_FAILURE)}, + }; + + wil_dbg_wmi(wil, + "ADDBA response for CID %d TID %d size %d timeout %d status %d AMSDU%s, sring_id %d\n", + cid, tid, agg_wsize, timeout, status, amsdu ? "+" : "-", + WIL_DEFAULT_RX_STATUS_RING_ID); + + rc = wmi_call(wil, WMI_RCP_ADDBA_RESP_EDMA_CMDID, mid, &cmd, + sizeof(cmd), WMI_RCP_ADDBA_RESP_SENT_EVENTID, &reply, + sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) + return rc; + + if (reply.evt.status) { + wil_err(wil, "ADDBA response failed with status %d\n", + le16_to_cpu(reply.evt.status)); + rc = -EINVAL; + } + + return rc; +} + int wmi_ps_dev_profile_cfg(struct wil6210_priv *wil, enum wmi_ps_profile_type ps_profile) { diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index 38e788000801..abf6f05c4801 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -86,6 +86,7 @@ enum wmi_fw_capability { WMI_FW_CAPABILITY_PNO = 15, WMI_FW_CAPABILITY_REF_CLOCK_CONTROL = 18, WMI_FW_CAPABILITY_AP_SME_OFFLOAD_NONE = 19, + WMI_FW_CAPABILITY_AMSDU = 23, WMI_FW_CAPABILITY_MAX, }; -- cgit v1.2.3-55-g7522 From d98b853934fee79b3cde2c850e03b9c367297a78 Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Fri, 29 Jun 2018 16:28:37 +0300 Subject: wil6210: add support for enhanced DMA debugfs Add debugfs support for enhanced DMA TX and RX descriptor rings, TX and RX status rings and RX buffer management. Run the following command to print the TX and RX status rings: cat srings Run the following command in order to select the status ring: echo STATUS_RING_IDX > dbg_sring_index Run the following command in order to select the status message: echo STATUS_MSG_IDX > dbg_status_msg_index Run the following command in order to print the selected status message from the selected status ring: cat status_msg Run the following command in order to print the RX buffer management debug information: cat rx_buff_mgmt Signed-off-by: Gidon Studinski Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/debugfs.c | 347 +++++++++++++++++++++++++---- 1 file changed, 307 insertions(+), 40 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 8232fdd6ed09..58ce044b1130 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -30,6 +30,9 @@ static u32 mem_addr; static u32 dbg_txdesc_index; static u32 dbg_ring_index; /* 24+ for Rx, 0..23 for Tx */ +static u32 dbg_status_msg_index; +/* 0..wil->num_rx_status_rings-1 for Rx, wil->tx_sring_idx for Tx */ +static u32 dbg_sring_index; enum dbg_off_type { doff_u32 = 0, @@ -47,6 +50,36 @@ struct dbg_off { enum dbg_off_type type; }; +static void wil_print_desc_edma(struct seq_file *s, struct wil6210_priv *wil, + struct wil_ring *ring, + char _s, char _h, int idx) +{ + u8 num_of_descs; + bool has_skb = false; + + if (ring->is_rx) { + struct wil_rx_enhanced_desc *rx_d = + (struct wil_rx_enhanced_desc *) + &ring->va[idx].rx.enhanced; + u16 buff_id = le16_to_cpu(rx_d->mac.buff_id); + + has_skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb; + seq_printf(s, "%c", (has_skb) ? _h : _s); + } else { + struct wil_tx_enhanced_desc *d = + (struct wil_tx_enhanced_desc *) + &ring->va[idx].tx.enhanced; + + num_of_descs = (u8)d->mac.d[2]; + has_skb = ring->ctx[idx].skb; + if (num_of_descs >= 1) + seq_printf(s, "%c", ring->ctx[idx].skb ? _h : _s); + else + /* num_of_descs == 0, it's a frag in a list of descs */ + seq_printf(s, "%c", has_skb ? 'h' : _s); + } +} + static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil, const char *name, struct wil_ring *ring, char _s, char _h) @@ -58,7 +91,10 @@ static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil, seq_printf(s, " pa = %pad\n", &ring->pa); seq_printf(s, " va = 0x%p\n", ring->va); seq_printf(s, " size = %d\n", ring->size); - seq_printf(s, " swtail = %d\n", ring->swtail); + if (wil->use_enhanced_dma_hw && ring->is_rx) + seq_printf(s, " swtail = %u\n", *ring->edma_rx_swtail.va); + else + seq_printf(s, " swtail = %d\n", ring->swtail); seq_printf(s, " swhead = %d\n", ring->swhead); seq_printf(s, " hwtail = [0x%08x] -> ", ring->hwtail); if (x) { @@ -72,13 +108,16 @@ static void wil_print_ring(struct seq_file *s, struct wil6210_priv *wil, uint i; for (i = 0; i < ring->size; i++) { - volatile struct vring_tx_desc *d = - &ring->va[i].tx.legacy; - - if ((i % 128) == 0 && (i != 0)) + if ((i % 128) == 0 && i != 0) seq_puts(s, "\n"); - seq_printf(s, "%c", (d->dma.status & BIT(0)) ? - _s : (ring->ctx[i].skb ? _h : 'h')); + if (wil->use_enhanced_dma_hw) { + wil_print_desc_edma(s, wil, ring, _s, _h, i); + } else { + volatile struct vring_tx_desc *d = + &ring->va[i].tx.legacy; + seq_printf(s, "%c", (d->dma.status & BIT(0)) ? + _s : (ring->ctx[i].skb ? _h : 'h')); + } } seq_puts(s, "\n"); } @@ -157,6 +196,74 @@ static const struct file_operations fops_ring = { .llseek = seq_lseek, }; +static void wil_print_sring(struct seq_file *s, struct wil6210_priv *wil, + struct wil_status_ring *sring) +{ + void __iomem *x = wmi_addr(wil, sring->hwtail); + int sring_idx = sring - wil->srings; + u32 v; + + seq_printf(s, "Status Ring %s [ %d ] = {\n", + sring->is_rx ? "RX" : "TX", sring_idx); + seq_printf(s, " pa = %pad\n", &sring->pa); + seq_printf(s, " va = 0x%pK\n", sring->va); + seq_printf(s, " size = %d\n", sring->size); + seq_printf(s, " elem_size = %zu\n", sring->elem_size); + seq_printf(s, " swhead = %d\n", sring->swhead); + seq_printf(s, " hwtail = [0x%08x] -> ", sring->hwtail); + if (x) { + v = readl_relaxed(x); + seq_printf(s, "0x%08x = %d\n", v, v); + } else { + seq_puts(s, "???\n"); + } + seq_printf(s, " desc_rdy_pol = %d\n", sring->desc_rdy_pol); + + if (sring->va && (sring->size <= (1 << WIL_RING_SIZE_ORDER_MAX))) { + uint i; + + for (i = 0; i < sring->size; i++) { + u32 *sdword_0 = + (u32 *)(sring->va + (sring->elem_size * i)); + + if ((i % 128) == 0 && i != 0) + seq_puts(s, "\n"); + if (i == sring->swhead) + seq_printf(s, "%c", (*sdword_0 & BIT(31)) ? + 'X' : 'x'); + else + seq_printf(s, "%c", (*sdword_0 & BIT(31)) ? + '1' : '0'); + } + seq_puts(s, "\n"); + } + seq_puts(s, "}\n"); +} + +static int wil_srings_debugfs_show(struct seq_file *s, void *data) +{ + struct wil6210_priv *wil = s->private; + int i = 0; + + for (i = 0; i < WIL6210_MAX_STATUS_RINGS; i++) + if (wil->srings[i].va) + wil_print_sring(s, wil, &wil->srings[i]); + + return 0; +} + +static int wil_srings_seq_open(struct inode *inode, struct file *file) +{ + return single_open(file, wil_srings_debugfs_show, inode->i_private); +} + +static const struct file_operations fops_srings = { + .open = wil_srings_seq_open, + .release = single_release, + .read = seq_read, + .llseek = seq_lseek, +}; + static void wil_seq_hexdump(struct seq_file *s, void *p, int len, const char *prefix) { @@ -974,53 +1081,92 @@ static int wil_txdesc_debugfs_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; struct wil_ring *ring; - bool tx = (dbg_ring_index < WIL6210_MAX_TX_RINGS); + bool tx; + int ring_idx = dbg_ring_index; + int txdesc_idx = dbg_txdesc_index; + volatile struct vring_tx_desc *d; + volatile u32 *u; + struct sk_buff *skb; + + if (wil->use_enhanced_dma_hw) { + /* RX ring index == 0 */ + if (ring_idx >= WIL6210_MAX_TX_RINGS) { + seq_printf(s, "invalid ring index %d\n", ring_idx); + return 0; + } + tx = ring_idx > 0; /* desc ring 0 is reserved for RX */ + } else { + /* RX ring index == WIL6210_MAX_TX_RINGS */ + if (ring_idx > WIL6210_MAX_TX_RINGS) { + seq_printf(s, "invalid ring index %d\n", ring_idx); + return 0; + } + tx = (ring_idx < WIL6210_MAX_TX_RINGS); + } - ring = tx ? &wil->ring_tx[dbg_ring_index] : &wil->ring_rx; + ring = tx ? &wil->ring_tx[ring_idx] : &wil->ring_rx; if (!ring->va) { if (tx) - seq_printf(s, "No Tx[%2d] VRING\n", dbg_ring_index); + seq_printf(s, "No Tx[%2d] RING\n", ring_idx); else - seq_puts(s, "No Rx VRING\n"); + seq_puts(s, "No Rx RING\n"); return 0; } - if (dbg_txdesc_index < ring->size) { - /* use struct vring_tx_desc for Rx as well, - * only field used, .dma.length, is the same - */ - volatile struct vring_tx_desc *d = - &ring->va[dbg_txdesc_index].tx.legacy; - volatile u32 *u = (volatile u32 *)d; - struct sk_buff *skb = ring->ctx[dbg_txdesc_index].skb; - + if (txdesc_idx >= ring->size) { if (tx) - seq_printf(s, "Tx[%2d][%3d] = {\n", dbg_ring_index, - dbg_txdesc_index); + seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n", + ring_idx, txdesc_idx, ring->size); else - seq_printf(s, "Rx[%3d] = {\n", dbg_txdesc_index); - seq_printf(s, " MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n", - u[0], u[1], u[2], u[3]); - seq_printf(s, " DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n", - u[4], u[5], u[6], u[7]); - seq_printf(s, " SKB = 0x%p\n", skb); + seq_printf(s, "RxDesc index (%d) >= size (%d)\n", + txdesc_idx, ring->size); + return 0; + } + + /* use struct vring_tx_desc for Rx as well, + * only field used, .dma.length, is the same + */ + d = &ring->va[txdesc_idx].tx.legacy; + u = (volatile u32 *)d; + skb = NULL; - if (skb) { - skb_get(skb); - wil_seq_print_skb(s, skb); - kfree_skb(skb); + if (wil->use_enhanced_dma_hw) { + if (tx) { + skb = ring->ctx[txdesc_idx].skb; + } else { + struct wil_rx_enhanced_desc *rx_d = + (struct wil_rx_enhanced_desc *) + &ring->va[txdesc_idx].rx.enhanced; + u16 buff_id = le16_to_cpu(rx_d->mac.buff_id); + + if (!wil_val_in_range(buff_id, 0, + wil->rx_buff_mgmt.size)) { + seq_printf(s, "invalid buff_id %d\n", buff_id); + return 0; + } + skb = wil->rx_buff_mgmt.buff_arr[buff_id].skb; } - seq_puts(s, "}\n"); } else { - if (tx) - seq_printf(s, "[%2d] TxDesc index (%d) >= size (%d)\n", - dbg_ring_index, dbg_txdesc_index, - ring->size); - else - seq_printf(s, "RxDesc index (%d) >= size (%d)\n", - dbg_txdesc_index, ring->size); + skb = ring->ctx[txdesc_idx].skb; + } + if (tx) + seq_printf(s, "Tx[%2d][%3d] = {\n", ring_idx, + txdesc_idx); + else + seq_printf(s, "Rx[%3d] = {\n", txdesc_idx); + seq_printf(s, " MAC = 0x%08x 0x%08x 0x%08x 0x%08x\n", + u[0], u[1], u[2], u[3]); + seq_printf(s, " DMA = 0x%08x 0x%08x 0x%08x 0x%08x\n", + u[4], u[5], u[6], u[7]); + seq_printf(s, " SKB = 0x%p\n", skb); + + if (skb) { + skb_get(skb); + wil_seq_print_skb(s, skb); + kfree_skb(skb); } + seq_puts(s, "}\n"); return 0; } @@ -1037,6 +1183,115 @@ static const struct file_operations fops_txdesc = { .llseek = seq_lseek, }; +/*---------Tx/Rx status message------------*/ +static int wil_status_msg_debugfs_show(struct seq_file *s, void *data) +{ + struct wil6210_priv *wil = s->private; + int sring_idx = dbg_sring_index; + struct wil_status_ring *sring; + bool tx = sring_idx == wil->tx_sring_idx ? 1 : 0; + u32 status_msg_idx = dbg_status_msg_index; + u32 *u; + + if (sring_idx >= WIL6210_MAX_STATUS_RINGS) { + seq_printf(s, "invalid status ring index %d\n", sring_idx); + return 0; + } + + sring = &wil->srings[sring_idx]; + + if (!sring->va) { + seq_printf(s, "No %cX status ring\n", tx ? 'T' : 'R'); + return 0; + } + + if (status_msg_idx >= sring->size) { + seq_printf(s, "%cxDesc index (%d) >= size (%d)\n", + tx ? 'T' : 'R', status_msg_idx, sring->size); + return 0; + } + + u = sring->va + (sring->elem_size * status_msg_idx); + + seq_printf(s, "%cx[%d][%3d] = {\n", + tx ? 'T' : 'R', sring_idx, status_msg_idx); + + seq_printf(s, " 0x%08x 0x%08x 0x%08x 0x%08x\n", + u[0], u[1], u[2], u[3]); + if (!tx && !wil->use_compressed_rx_status) + seq_printf(s, " 0x%08x 0x%08x 0x%08x 0x%08x\n", + u[4], u[5], u[6], u[7]); + + seq_puts(s, "}\n"); + + return 0; +} + +static int wil_status_msg_seq_open(struct inode *inode, struct file *file) +{ + return single_open(file, wil_status_msg_debugfs_show, + inode->i_private); +} + +static const struct file_operations fops_status_msg = { + .open = wil_status_msg_seq_open, + .release = single_release, + .read = seq_read, + .llseek = seq_lseek, +}; + +static int wil_print_rx_buff(struct seq_file *s, struct list_head *lh) +{ + struct wil_rx_buff *it; + int i = 0; + + list_for_each_entry(it, lh, list) { + if ((i % 16) == 0 && i != 0) + seq_puts(s, "\n "); + seq_printf(s, "[%4d] ", it->id); + i++; + } + seq_printf(s, "\nNumber of buffers: %u\n", i); + + return i; +} + +static int wil_rx_buff_mgmt_debugfs_show(struct seq_file *s, void *data) +{ + struct wil6210_priv *wil = s->private; + struct wil_rx_buff_mgmt *rbm = &wil->rx_buff_mgmt; + int num_active; + int num_free; + + seq_printf(s, " size = %zu\n", rbm->size); + seq_printf(s, " free_list_empty_cnt = %lu\n", + rbm->free_list_empty_cnt); + + /* Print active list */ + seq_puts(s, " Active list:\n"); + num_active = wil_print_rx_buff(s, &rbm->active); + seq_puts(s, "\n Free list:\n"); + num_free = wil_print_rx_buff(s, &rbm->free); + + seq_printf(s, " Total number of buffers: %u\n", + num_active + num_free); + + return 0; +} + +static int wil_rx_buff_mgmt_seq_open(struct inode *inode, struct file *file) +{ + return single_open(file, wil_rx_buff_mgmt_debugfs_show, + inode->i_private); +} + +static const struct file_operations fops_rx_buff_mgmt = { + .open = wil_rx_buff_mgmt_seq_open, + .release = single_release, + .read = seq_read, + .llseek = seq_lseek, +}; + /*---------beamforming------------*/ static char *wil_bfstatus_str(u32 status) { @@ -1479,6 +1734,13 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock) p->stats.rx_large_frame, p->stats.rx_replay); + if (wil->use_enhanced_dma_hw) + seq_printf(s, + "mic error %lu, key error %lu, amsdu error %lu\n", + p->stats.rx_mic_error, + p->stats.rx_key_error, + p->stats.rx_amsdu_error); + seq_puts(s, "Rx/MCS:"); for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs); mcs++) @@ -1869,6 +2131,9 @@ static const struct { {"fw_version", 0444, &fops_fw_version}, {"suspend_stats", 0644, &fops_suspend_stats}, {"compressed_rx_status", 0644, &fops_compressed_rx_status}, + {"srings", 0444, &fops_srings}, + {"status_msg", 0444, &fops_status_msg}, + {"rx_buff_mgmt", 0444, &fops_rx_buff_mgmt}, }; static void wil6210_debugfs_init_files(struct wil6210_priv *wil, @@ -1936,6 +2201,8 @@ static const struct dbg_off dbg_statics[] = { {"ring_index", 0644, (ulong)&dbg_ring_index, doff_u32}, {"mem_addr", 0644, (ulong)&mem_addr, doff_u32}, {"led_polarity", 0644, (ulong)&led_polarity, doff_u8}, + {"status_index", 0644, (ulong)&dbg_status_msg_index, doff_u32}, + {"sring_index", 0644, (ulong)&dbg_sring_index, doff_u32}, {}, }; -- cgit v1.2.3-55-g7522 From f1dbb6c1e83394e68b082b3058aabb12ab046f25 Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Fri, 29 Jun 2018 16:28:42 +0300 Subject: wil6210: add support for Talyn-MB boot flow Talyn-MB introduces various of FW download options: FW download via PCIe, SPI or PBL for secured access. The boot and FW download path is determined based on the OTP HW register. Driver reads this register as part of the SW reset flow and performs the appropriate initialization sequence. Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/main.c | 194 ++++++++++++++++++++++++----- drivers/net/wireless/ath/wil6210/wil6210.h | 9 +- 2 files changed, 171 insertions(+), 32 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index e0072b6c7a44..4de19bd40a58 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -112,9 +112,29 @@ MODULE_PARM_DESC(tx_ring_order, " Tx ring order; size = 1 << order"); module_param_cb(bcast_ring_order, &ring_order_ops, &bcast_ring_order, 0444); MODULE_PARM_DESC(bcast_ring_order, " Bcast ring order; size = 1 << order"); -#define RST_DELAY (20) /* msec, for loop in @wil_target_reset */ +enum { + WIL_BOOT_ERR, + WIL_BOOT_VANILLA, + WIL_BOOT_PRODUCTION, + WIL_BOOT_DEVELOPMENT, +}; + +enum { + WIL_SIG_STATUS_VANILLA = 0x0, + WIL_SIG_STATUS_DEVELOPMENT = 0x1, + WIL_SIG_STATUS_PRODUCTION = 0x2, + WIL_SIG_STATUS_CORRUPTED_PRODUCTION = 0x3, +}; + +#define RST_DELAY (20) /* msec, for loop in @wil_wait_device_ready */ #define RST_COUNT (1 + 1000/RST_DELAY) /* round up to be above 1 sec total */ +#define PMU_READY_DELAY_MS (4) /* ms, for sleep in @wil_wait_device_ready */ + +#define OTP_HW_DELAY (200) /* usec, loop in @wil_wait_device_ready_talyn_mb */ +/* round up to be above 2 ms total */ +#define OTP_HW_COUNT (1 + 2000 / OTP_HW_DELAY) + /* * Due to a hardware issue, * one has to read/write to/from NIC in 32-bit chunks; @@ -831,11 +851,146 @@ static void wil_set_oob_mode(struct wil6210_priv *wil, u8 mode) } } -static int wil_target_reset(struct wil6210_priv *wil, int no_flash) +static int wil_wait_device_ready(struct wil6210_priv *wil, int no_flash) { int delay = 0; u32 x, x1 = 0; + /* wait until device ready. */ + if (no_flash) { + msleep(PMU_READY_DELAY_MS); + + wil_dbg_misc(wil, "Reset completed\n"); + } else { + do { + msleep(RST_DELAY); + x = wil_r(wil, RGF_USER_BL + + offsetof(struct bl_dedicated_registers_v0, + boot_loader_ready)); + if (x1 != x) { + wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", + x1, x); + x1 = x; + } + if (delay++ > RST_COUNT) { + wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", + x); + return -ETIME; + } + } while (x != BL_READY); + + wil_dbg_misc(wil, "Reset completed in %d ms\n", + delay * RST_DELAY); + } + + return 0; +} + +static int wil_wait_device_ready_talyn_mb(struct wil6210_priv *wil) +{ + u32 otp_hw; + u8 signature_status; + bool otp_signature_err; + bool hw_section_done; + u32 otp_qc_secured; + int delay = 0; + + /* Wait for OTP signature test to complete */ + usleep_range(2000, 2200); + + wil->boot_config = WIL_BOOT_ERR; + + /* Poll until OTP signature status is valid. + * In vanilla and development modes, when signature test is complete + * HW sets BIT_OTP_SIGNATURE_ERR_TALYN_MB. + * In production mode BIT_OTP_SIGNATURE_ERR_TALYN_MB remains 0, poll + * for signature status change to 2 or 3. + */ + do { + otp_hw = wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1); + signature_status = WIL_GET_BITS(otp_hw, 8, 9); + otp_signature_err = otp_hw & BIT_OTP_SIGNATURE_ERR_TALYN_MB; + + if (otp_signature_err && + signature_status == WIL_SIG_STATUS_VANILLA) { + wil->boot_config = WIL_BOOT_VANILLA; + break; + } + if (otp_signature_err && + signature_status == WIL_SIG_STATUS_DEVELOPMENT) { + wil->boot_config = WIL_BOOT_DEVELOPMENT; + break; + } + if (!otp_signature_err && + signature_status == WIL_SIG_STATUS_PRODUCTION) { + wil->boot_config = WIL_BOOT_PRODUCTION; + break; + } + if (!otp_signature_err && + signature_status == + WIL_SIG_STATUS_CORRUPTED_PRODUCTION) { + /* Unrecognized OTP signature found. Possibly a + * corrupted production signature, access control + * is applied as in production mode, therefore + * do not fail + */ + wil->boot_config = WIL_BOOT_PRODUCTION; + break; + } + if (delay++ > OTP_HW_COUNT) + break; + + usleep_range(OTP_HW_DELAY, OTP_HW_DELAY + 10); + } while (!otp_signature_err && signature_status == 0); + + if (wil->boot_config == WIL_BOOT_ERR) { + wil_err(wil, + "invalid boot config, signature_status %d otp_signature_err %d\n", + signature_status, otp_signature_err); + return -ETIME; + } + + wil_dbg_misc(wil, + "signature test done in %d usec, otp_hw 0x%x, boot_config %d\n", + delay * OTP_HW_DELAY, otp_hw, wil->boot_config); + + if (wil->boot_config == WIL_BOOT_VANILLA) + /* Assuming not SPI boot (currently not supported) */ + goto out; + + hw_section_done = otp_hw & BIT_OTP_HW_SECTION_DONE_TALYN_MB; + delay = 0; + + while (!hw_section_done) { + msleep(RST_DELAY); + + otp_hw = wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1); + hw_section_done = otp_hw & BIT_OTP_HW_SECTION_DONE_TALYN_MB; + + if (delay++ > RST_COUNT) { + wil_err(wil, "TO waiting for hw_section_done\n"); + return -ETIME; + } + } + + wil_dbg_misc(wil, "HW section done in %d ms\n", delay * RST_DELAY); + + otp_qc_secured = wil_r(wil, RGF_OTP_QC_SECURED); + wil->secured_boot = otp_qc_secured & BIT_BOOT_FROM_ROM ? 1 : 0; + wil_dbg_misc(wil, "secured boot is %sabled\n", + wil->secured_boot ? "en" : "dis"); + +out: + wil_dbg_misc(wil, "Reset completed\n"); + + return 0; +} + +static int wil_target_reset(struct wil6210_priv *wil, int no_flash) +{ + u32 x; + int rc; + wil_dbg_misc(wil, "Resetting \"%s\"...\n", wil->hw_name); /* Clear MAC link up */ @@ -901,34 +1056,12 @@ static int wil_target_reset(struct wil6210_priv *wil, int no_flash) wil_w(wil, RGF_USER_CLKS_CTL_SW_RST_VEC_0, 0); - /* wait until device ready. typical time is 20..80 msec */ - if (no_flash) - do { - msleep(RST_DELAY); - x = wil_r(wil, USER_EXT_USER_PMU_3); - if (delay++ > RST_COUNT) { - wil_err(wil, "Reset not completed, PMU_3 0x%08x\n", - x); - return -ETIME; - } - } while ((x & BIT_PMU_DEVICE_RDY) == 0); + if (wil->hw_version == HW_VER_TALYN_MB) + rc = wil_wait_device_ready_talyn_mb(wil); else - do { - msleep(RST_DELAY); - x = wil_r(wil, RGF_USER_BL + - offsetof(struct bl_dedicated_registers_v0, - boot_loader_ready)); - if (x1 != x) { - wil_dbg_misc(wil, "BL.ready 0x%08x => 0x%08x\n", - x1, x); - x1 = x; - } - if (delay++ > RST_COUNT) { - wil_err(wil, "Reset not completed, bl.ready 0x%08x\n", - x); - return -ETIME; - } - } while (x != BL_READY); + rc = wil_wait_device_ready(wil, no_flash); + if (rc) + return rc; wil_c(wil, RGF_USER_CLKS_CTL_0, BIT_USER_CLKS_RST_PWGD); @@ -936,7 +1069,7 @@ static int wil_target_reset(struct wil6210_priv *wil, int no_flash) wil_s(wil, RGF_DMA_OFUL_NID_0, BIT_DMA_OFUL_NID_0_RX_EXT_TR_EN | BIT_DMA_OFUL_NID_0_RX_EXT_A3_SRC); - if (no_flash) { + if (wil->hw_version < HW_VER_TALYN_MB && no_flash) { /* Reset OTP HW vectors to fit 40MHz */ wil_w(wil, RGF_USER_XPM_IFC_RD_TIME1, 0x60001); wil_w(wil, RGF_USER_XPM_IFC_RD_TIME2, 0x20027); @@ -951,7 +1084,6 @@ static int wil_target_reset(struct wil6210_priv *wil, int no_flash) wil_w(wil, RGF_USER_XPM_RD_DOUT_SAMPLE_TIME, 0x57); } - wil_dbg_misc(wil, "Reset completed in %d ms\n", delay * RST_DELAY); return 0; } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index f8d4a2d88d91..e639ba73c02d 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -210,7 +210,9 @@ struct RGF_ICR { #define RGF_USER_SPARROW_M_4 (0x880c50) /* Sparrow */ #define BIT_SPARROW_M_4_SEL_SLEEP_OR_REF BIT(2) #define RGF_USER_OTP_HW_RD_MACHINE_1 (0x880ce0) - #define BIT_NO_FLASH_INDICATION BIT(8) + #define BIT_OTP_SIGNATURE_ERR_TALYN_MB BIT(0) + #define BIT_OTP_HW_SECTION_DONE_TALYN_MB BIT(2) + #define BIT_NO_FLASH_INDICATION BIT(8) #define RGF_USER_XPM_IFC_RD_TIME1 (0x880cec) #define RGF_USER_XPM_IFC_RD_TIME2 (0x880cf0) #define RGF_USER_XPM_IFC_RD_TIME3 (0x880cf4) @@ -312,6 +314,9 @@ struct RGF_ICR { #define RGF_CAF_PLL_LOCK_STATUS (0x88afec) #define BIT_CAF_OSC_DIG_XTAL_STABLE BIT(0) +#define RGF_OTP_QC_SECURED (0x8a0038) + #define BIT_BOOT_FROM_ROM BIT(31) + /* eDMA */ #define RGF_INT_COUNT_ON_SPECIAL_EVT (0x8b62d8) @@ -969,6 +974,8 @@ struct wil6210_priv { u32 rx_buff_id_count; bool amsdu_en; bool use_rx_hw_reordering; + bool secured_boot; + u8 boot_config; }; #define wil_to_wiphy(i) (i->wiphy) -- cgit v1.2.3-55-g7522 From 9a53d0b6f8c61b27e7071d75fb82cf707968f75a Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Fri, 29 Jun 2018 16:28:48 +0300 Subject: wil6210: remove crash dump collection from OTP section In some cases where the device is stuck, reading from OTP can timeout. As OTP section is known there is no need to read it during device crash dump collection. Adding a new field to struct fw_map to indicate if to include this section in crash dump collection. Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/wil6210.h | 1 + drivers/net/wireless/ath/wil6210/wil_crash_dump.c | 5 +- drivers/net/wireless/ath/wil6210/wmi.c | 86 +++++++++++------------ 3 files changed, 47 insertions(+), 45 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index e639ba73c02d..d963c76b679e 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -403,6 +403,7 @@ struct fw_map { u32 host; /* PCI/Host address - BAR0 + 0x880000 */ const char *name; /* for debugfs */ bool fw; /* true if FW mapping, false if UCODE mapping */ + bool crash_dump; /* true if should be dumped during crash dump */ }; /* array size should be in sync with actual definition in the wmi.c */ diff --git a/drivers/net/wireless/ath/wil6210/wil_crash_dump.c b/drivers/net/wireless/ath/wil6210/wil_crash_dump.c index 1ed330674d9b..dc33a0b4c3fa 100644 --- a/drivers/net/wireless/ath/wil6210/wil_crash_dump.c +++ b/drivers/net/wireless/ath/wil6210/wil_crash_dump.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2015,2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -36,7 +37,7 @@ static int wil_fw_get_crash_dump_bounds(struct wil6210_priv *wil, for (i = 1; i < ARRAY_SIZE(fw_mapping); i++) { map = &fw_mapping[i]; - if (!map->fw) + if (!map->crash_dump) continue; if (map->host < host_min) @@ -85,7 +86,7 @@ int wil_fw_copy_crash_dump(struct wil6210_priv *wil, void *dest, u32 size) for (i = 0; i < ARRAY_SIZE(fw_mapping); i++) { map = &fw_mapping[i]; - if (!map->fw) + if (!map->crash_dump) continue; data = (void * __force)wil->csr + HOSTADDR(map->host); diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 0370b7e8dbb1..71056c834fff 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -89,28 +89,28 @@ MODULE_PARM_DESC(led_id, */ const struct fw_map sparrow_fw_mapping[] = { /* FW code RAM 256k */ - {0x000000, 0x040000, 0x8c0000, "fw_code", true}, + {0x000000, 0x040000, 0x8c0000, "fw_code", true, true}, /* FW data RAM 32k */ - {0x800000, 0x808000, 0x900000, "fw_data", true}, + {0x800000, 0x808000, 0x900000, "fw_data", true, true}, /* periph data 128k */ - {0x840000, 0x860000, 0x908000, "fw_peri", true}, + {0x840000, 0x860000, 0x908000, "fw_peri", true, true}, /* various RGF 40k */ - {0x880000, 0x88a000, 0x880000, "rgf", true}, + {0x880000, 0x88a000, 0x880000, "rgf", true, true}, /* AGC table 4k */ - {0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true}, + {0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true, true}, /* Pcie_ext_rgf 4k */ - {0x88b000, 0x88c000, 0x88b000, "rgf_ext", true}, + {0x88b000, 0x88c000, 0x88b000, "rgf_ext", true, true}, /* mac_ext_rgf 512b */ - {0x88c000, 0x88c200, 0x88c000, "mac_rgf_ext", true}, + {0x88c000, 0x88c200, 0x88c000, "mac_rgf_ext", true, true}, /* upper area 548k */ - {0x8c0000, 0x949000, 0x8c0000, "upper", true}, + {0x8c0000, 0x949000, 0x8c0000, "upper", true, true}, /* UCODE areas - accessible by debugfs blobs but not by * wmi_addr_remap. UCODE areas MUST be added AFTER FW areas! */ /* ucode code RAM 128k */ - {0x000000, 0x020000, 0x920000, "uc_code", false}, + {0x000000, 0x020000, 0x920000, "uc_code", false, false}, /* ucode data RAM 16k */ - {0x800000, 0x804000, 0x940000, "uc_data", false}, + {0x800000, 0x804000, 0x940000, "uc_data", false, false}, }; /** @@ -118,7 +118,7 @@ const struct fw_map sparrow_fw_mapping[] = { * it is a bit larger to support extra features */ const struct fw_map sparrow_d0_mac_rgf_ext = { - 0x88c000, 0x88c500, 0x88c000, "mac_rgf_ext", true + 0x88c000, 0x88c500, 0x88c000, "mac_rgf_ext", true, true }; /** @@ -134,34 +134,34 @@ const struct fw_map sparrow_d0_mac_rgf_ext = { */ const struct fw_map talyn_fw_mapping[] = { /* FW code RAM 1M */ - {0x000000, 0x100000, 0x900000, "fw_code", true}, + {0x000000, 0x100000, 0x900000, "fw_code", true, true}, /* FW data RAM 128k */ - {0x800000, 0x820000, 0xa00000, "fw_data", true}, + {0x800000, 0x820000, 0xa00000, "fw_data", true, true}, /* periph. data RAM 96k */ - {0x840000, 0x858000, 0xa20000, "fw_peri", true}, + {0x840000, 0x858000, 0xa20000, "fw_peri", true, true}, /* various RGF 40k */ - {0x880000, 0x88a000, 0x880000, "rgf", true}, + {0x880000, 0x88a000, 0x880000, "rgf", true, true}, /* AGC table 4k */ - {0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true}, + {0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true, true}, /* Pcie_ext_rgf 4k */ - {0x88b000, 0x88c000, 0x88b000, "rgf_ext", true}, + {0x88b000, 0x88c000, 0x88b000, "rgf_ext", true, true}, /* mac_ext_rgf 1344b */ - {0x88c000, 0x88c540, 0x88c000, "mac_rgf_ext", true}, + {0x88c000, 0x88c540, 0x88c000, "mac_rgf_ext", true, true}, /* ext USER RGF 4k */ - {0x88d000, 0x88e000, 0x88d000, "ext_user_rgf", true}, + {0x88d000, 0x88e000, 0x88d000, "ext_user_rgf", true, true}, /* OTP 4k */ - {0x8a0000, 0x8a1000, 0x8a0000, "otp", true}, + {0x8a0000, 0x8a1000, 0x8a0000, "otp", true, false}, /* DMA EXT RGF 64k */ - {0x8b0000, 0x8c0000, 0x8b0000, "dma_ext_rgf", true}, + {0x8b0000, 0x8c0000, 0x8b0000, "dma_ext_rgf", true, true}, /* upper area 1536k */ - {0x900000, 0xa80000, 0x900000, "upper", true}, + {0x900000, 0xa80000, 0x900000, "upper", true, true}, /* UCODE areas - accessible by debugfs blobs but not by * wmi_addr_remap. UCODE areas MUST be added AFTER FW areas! */ /* ucode code RAM 256k */ - {0x000000, 0x040000, 0xa38000, "uc_code", false}, + {0x000000, 0x040000, 0xa38000, "uc_code", false, false}, /* ucode data RAM 32k */ - {0x800000, 0x808000, 0xa78000, "uc_data", false}, + {0x800000, 0x808000, 0xa78000, "uc_data", false, false}, }; /** @@ -177,46 +177,46 @@ const struct fw_map talyn_fw_mapping[] = { */ const struct fw_map talyn_mb_fw_mapping[] = { /* FW code RAM 768k */ - {0x000000, 0x0c0000, 0x900000, "fw_code", true}, + {0x000000, 0x0c0000, 0x900000, "fw_code", true, true}, /* FW data RAM 128k */ - {0x800000, 0x820000, 0xa00000, "fw_data", true}, + {0x800000, 0x820000, 0xa00000, "fw_data", true, true}, /* periph. data RAM 96k */ - {0x840000, 0x858000, 0xa20000, "fw_peri", true}, + {0x840000, 0x858000, 0xa20000, "fw_peri", true, true}, /* various RGF 40k */ - {0x880000, 0x88a000, 0x880000, "rgf", true}, + {0x880000, 0x88a000, 0x880000, "rgf", true, true}, /* AGC table 4k */ - {0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true}, + {0x88a000, 0x88b000, 0x88a000, "AGC_tbl", true, true}, /* Pcie_ext_rgf 4k */ - {0x88b000, 0x88c000, 0x88b000, "rgf_ext", true}, + {0x88b000, 0x88c000, 0x88b000, "rgf_ext", true, true}, /* mac_ext_rgf 2256b */ - {0x88c000, 0x88c8d0, 0x88c000, "mac_rgf_ext", true}, + {0x88c000, 0x88c8d0, 0x88c000, "mac_rgf_ext", true, true}, /* ext USER RGF 4k */ - {0x88d000, 0x88e000, 0x88d000, "ext_user_rgf", true}, + {0x88d000, 0x88e000, 0x88d000, "ext_user_rgf", true, true}, /* SEC PKA 16k */ - {0x890000, 0x894000, 0x890000, "sec_pka", true}, + {0x890000, 0x894000, 0x890000, "sec_pka", true, true}, /* SEC KDF RGF 3096b */ - {0x898000, 0x898c18, 0x898000, "sec_kdf_rgf", true}, + {0x898000, 0x898c18, 0x898000, "sec_kdf_rgf", true, true}, /* SEC MAIN 2124b */ - {0x89a000, 0x89a84c, 0x89a000, "sec_main", true}, + {0x89a000, 0x89a84c, 0x89a000, "sec_main", true, true}, /* OTP 4k */ - {0x8a0000, 0x8a1000, 0x8a0000, "otp", true}, + {0x8a0000, 0x8a1000, 0x8a0000, "otp", true, false}, /* DMA EXT RGF 64k */ - {0x8b0000, 0x8c0000, 0x8b0000, "dma_ext_rgf", true}, + {0x8b0000, 0x8c0000, 0x8b0000, "dma_ext_rgf", true, true}, /* DUM USER RGF 528b */ - {0x8c0000, 0x8c0210, 0x8c0000, "dum_user_rgf", true}, + {0x8c0000, 0x8c0210, 0x8c0000, "dum_user_rgf", true, true}, /* DMA OFU 296b */ - {0x8c2000, 0x8c2128, 0x8c2000, "dma_ofu", true}, + {0x8c2000, 0x8c2128, 0x8c2000, "dma_ofu", true, true}, /* ucode debug 4k */ - {0x8c3000, 0x8c4000, 0x8c3000, "ucode_debug", true}, + {0x8c3000, 0x8c4000, 0x8c3000, "ucode_debug", true, true}, /* upper area 1536k */ - {0x900000, 0xa80000, 0x900000, "upper", true}, + {0x900000, 0xa80000, 0x900000, "upper", true, true}, /* UCODE areas - accessible by debugfs blobs but not by * wmi_addr_remap. UCODE areas MUST be added AFTER FW areas! */ /* ucode code RAM 256k */ - {0x000000, 0x040000, 0xa38000, "uc_code", false}, + {0x000000, 0x040000, 0xa38000, "uc_code", false, false}, /* ucode data RAM 32k */ - {0x800000, 0x808000, 0xa78000, "uc_data", false}, + {0x800000, 0x808000, 0xa78000, "uc_data", false, false}, }; struct fw_map fw_mapping[MAX_FW_MAPPING_TABLE_SIZE]; -- cgit v1.2.3-55-g7522 From f0eea2772a6baf06961c6b0812bcb3adcce307a9 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Fri, 29 Jun 2018 14:37:45 +0200 Subject: wcn36xx: drop unnecessary initialization of variables Initialization is unneccessary when the variable is written before it is read. There were some occasions in which the driver would initialize `ret' during declaration without need. Purely a cosmetic change with no functional impact. Signed-off-by: Daniel Mack Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wcn36xx/main.c | 4 +- drivers/net/wireless/ath/wcn36xx/smd.c | 75 ++++++++++++++++----------------- 2 files changed, 38 insertions(+), 41 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index e38443ecaab4..79998a3ddb7a 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -1161,8 +1161,6 @@ static const struct ieee80211_ops wcn36xx_ops = { static int wcn36xx_init_ieee80211(struct wcn36xx *wcn) { - int ret = 0; - static const u32 cipher_suites[] = { WLAN_CIPHER_SUITE_WEP40, WLAN_CIPHER_SUITE_WEP104, @@ -1209,7 +1207,7 @@ static int wcn36xx_init_ieee80211(struct wcn36xx *wcn) wiphy_ext_feature_set(wcn->hw->wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST); - return ret; + return 0; } static int wcn36xx_platform_get_resources(struct wcn36xx *wcn, diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c index 304a86c7dcd2..00098f24116d 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.c +++ b/drivers/net/wireless/ath/wcn36xx/smd.c @@ -250,7 +250,7 @@ static void wcn36xx_smd_set_sta_params(struct wcn36xx *wcn, static int wcn36xx_smd_send_and_wait(struct wcn36xx *wcn, size_t len) { - int ret = 0; + int ret; unsigned long start; struct wcn36xx_hal_msg_header *hdr = (struct wcn36xx_hal_msg_header *)wcn->hal_buf; @@ -446,7 +446,7 @@ static int wcn36xx_smd_start_rsp(struct wcn36xx *wcn, void *buf, size_t len) int wcn36xx_smd_start(struct wcn36xx *wcn) { struct wcn36xx_hal_mac_start_req_msg msg_body, *body; - int ret = 0; + int ret; int i; size_t len; @@ -493,7 +493,7 @@ out: int wcn36xx_smd_stop(struct wcn36xx *wcn) { struct wcn36xx_hal_mac_stop_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_STOP_REQ); @@ -520,7 +520,7 @@ out: int wcn36xx_smd_init_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode) { struct wcn36xx_hal_init_scan_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_INIT_SCAN_REQ); @@ -549,7 +549,7 @@ out: int wcn36xx_smd_start_scan(struct wcn36xx *wcn, u8 scan_channel) { struct wcn36xx_hal_start_scan_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_START_SCAN_REQ); @@ -579,7 +579,7 @@ out: int wcn36xx_smd_end_scan(struct wcn36xx *wcn, u8 scan_channel) { struct wcn36xx_hal_end_scan_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_END_SCAN_REQ); @@ -610,7 +610,7 @@ int wcn36xx_smd_finish_scan(struct wcn36xx *wcn, enum wcn36xx_hal_sys_mode mode) { struct wcn36xx_hal_finish_scan_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_FINISH_SCAN_REQ); @@ -732,7 +732,7 @@ out: static int wcn36xx_smd_switch_channel_rsp(void *buf, size_t len) { struct wcn36xx_hal_switch_channel_rsp_msg *rsp; - int ret = 0; + int ret; ret = wcn36xx_smd_rsp_status_check(buf, len); if (ret) @@ -747,7 +747,7 @@ int wcn36xx_smd_switch_channel(struct wcn36xx *wcn, struct ieee80211_vif *vif, int ch) { struct wcn36xx_hal_switch_channel_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_CH_SWITCH_REQ); @@ -860,7 +860,7 @@ int wcn36xx_smd_update_scan_params(struct wcn36xx *wcn, u8 *channels, size_t channel_count) { struct wcn36xx_hal_update_scan_params_req_ex msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_SCAN_PARAM_REQ); @@ -931,7 +931,7 @@ static int wcn36xx_smd_add_sta_self_rsp(struct wcn36xx *wcn, int wcn36xx_smd_add_sta_self(struct wcn36xx *wcn, struct ieee80211_vif *vif) { struct wcn36xx_hal_add_sta_self_req msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_STA_SELF_REQ); @@ -965,7 +965,7 @@ out: int wcn36xx_smd_delete_sta_self(struct wcn36xx *wcn, u8 *addr) { struct wcn36xx_hal_del_sta_self_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_STA_SELF_REQ); @@ -993,7 +993,7 @@ out: int wcn36xx_smd_delete_sta(struct wcn36xx *wcn, u8 sta_index) { struct wcn36xx_hal_delete_sta_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_DELETE_STA_REQ); @@ -1040,7 +1040,7 @@ static int wcn36xx_smd_join_rsp(void *buf, size_t len) int wcn36xx_smd_join(struct wcn36xx *wcn, const u8 *bssid, u8 *vif, u8 ch) { struct wcn36xx_hal_join_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_JOIN_REQ); @@ -1089,7 +1089,7 @@ int wcn36xx_smd_set_link_st(struct wcn36xx *wcn, const u8 *bssid, enum wcn36xx_hal_link_state state) { struct wcn36xx_hal_set_link_state_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_LINK_ST_REQ); @@ -1215,7 +1215,7 @@ int wcn36xx_smd_config_sta(struct wcn36xx *wcn, struct ieee80211_vif *vif, { struct wcn36xx_hal_config_sta_req_msg msg; struct wcn36xx_hal_config_sta_params *sta_params; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_STA_REQ); @@ -1414,7 +1414,7 @@ int wcn36xx_smd_config_bss(struct wcn36xx *wcn, struct ieee80211_vif *vif, struct wcn36xx_hal_config_bss_params *bss; struct wcn36xx_hal_config_sta_params *sta_params; struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg, WCN36XX_HAL_CONFIG_BSS_REQ); @@ -1579,7 +1579,7 @@ int wcn36xx_smd_send_beacon(struct wcn36xx *wcn, struct ieee80211_vif *vif, u16 p2p_off) { struct wcn36xx_hal_send_beacon_req_msg msg_body; - int ret = 0, pad, pvm_len; + int ret, pad, pvm_len; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_SEND_BEACON_REQ); @@ -1653,7 +1653,7 @@ int wcn36xx_smd_update_proberesp_tmpl(struct wcn36xx *wcn, struct sk_buff *skb) { struct wcn36xx_hal_send_probe_resp_req_msg msg; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg, WCN36XX_HAL_UPDATE_PROBE_RSP_TEMPLATE_REQ); @@ -1700,7 +1700,7 @@ int wcn36xx_smd_set_stakey(struct wcn36xx *wcn, u8 sta_index) { struct wcn36xx_hal_set_sta_key_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_STAKEY_REQ); @@ -1749,7 +1749,7 @@ int wcn36xx_smd_set_bsskey(struct wcn36xx *wcn, u8 *key) { struct wcn36xx_hal_set_bss_key_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_BSSKEY_REQ); @@ -1786,7 +1786,7 @@ int wcn36xx_smd_remove_stakey(struct wcn36xx *wcn, u8 sta_index) { struct wcn36xx_hal_remove_sta_key_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_STAKEY_REQ); @@ -1818,7 +1818,7 @@ int wcn36xx_smd_remove_bsskey(struct wcn36xx *wcn, u8 keyidx) { struct wcn36xx_hal_remove_bss_key_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_RMV_BSSKEY_REQ); @@ -1847,7 +1847,7 @@ int wcn36xx_smd_enter_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif) { struct wcn36xx_hal_enter_bmps_req_msg msg_body; struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_ENTER_BMPS_REQ); @@ -1877,7 +1877,7 @@ int wcn36xx_smd_exit_bmps(struct wcn36xx *wcn, struct ieee80211_vif *vif) { struct wcn36xx_hal_exit_bmps_req_msg msg_body; struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_EXIT_BMPS_REQ); @@ -1903,7 +1903,7 @@ out: int wcn36xx_smd_set_power_params(struct wcn36xx *wcn, bool ignore_dtim) { struct wcn36xx_hal_set_power_params_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_SET_POWER_PARAMS_REQ); @@ -1938,7 +1938,7 @@ int wcn36xx_smd_keep_alive_req(struct wcn36xx *wcn, { struct wcn36xx_hal_keep_alive_req_msg msg_body; struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_KEEP_ALIVE_REQ); @@ -1976,7 +1976,7 @@ int wcn36xx_smd_dump_cmd_req(struct wcn36xx *wcn, u32 arg1, u32 arg2, u32 arg3, u32 arg4, u32 arg5) { struct wcn36xx_hal_dump_cmd_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_DUMP_COMMAND_REQ); @@ -2021,7 +2021,6 @@ void set_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap) int get_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap) { int arr_idx, bit_idx; - int ret = 0; if (cap < 0 || cap > 127) { wcn36xx_warn("error cap idx %d\n", cap); @@ -2030,8 +2029,8 @@ int get_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap) arr_idx = cap / 32; bit_idx = cap % 32; - ret = (bitmap[arr_idx] & (1 << bit_idx)) ? 1 : 0; - return ret; + + return (bitmap[arr_idx] & (1 << bit_idx)) ? 1 : 0; } void clear_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap) @@ -2051,7 +2050,7 @@ void clear_feat_caps(u32 *bitmap, enum place_holder_in_cap_bitmap cap) int wcn36xx_smd_feature_caps_exchange(struct wcn36xx *wcn) { struct wcn36xx_hal_feat_caps_msg msg_body, *rsp; - int ret = 0, i; + int ret, i; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_FEATURE_CAPS_EXCHANGE_REQ); @@ -2087,7 +2086,7 @@ int wcn36xx_smd_add_ba_session(struct wcn36xx *wcn, u8 sta_index) { struct wcn36xx_hal_add_ba_session_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_SESSION_REQ); @@ -2125,7 +2124,7 @@ out: int wcn36xx_smd_add_ba(struct wcn36xx *wcn) { struct wcn36xx_hal_add_ba_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_ADD_BA_REQ); @@ -2153,7 +2152,7 @@ out: int wcn36xx_smd_del_ba(struct wcn36xx *wcn, u16 tid, u8 sta_index) { struct wcn36xx_hal_del_ba_req_msg msg_body; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_DEL_BA_REQ); @@ -2193,7 +2192,7 @@ int wcn36xx_smd_trigger_ba(struct wcn36xx *wcn, u8 sta_index) { struct wcn36xx_hal_trigger_ba_req_msg msg_body; struct wcn36xx_hal_trigger_ba_req_candidate *candidate; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_TRIGGER_BA_REQ); @@ -2372,7 +2371,7 @@ int wcn36xx_smd_update_cfg(struct wcn36xx *wcn, u32 cfg_id, u32 value) { struct wcn36xx_hal_update_cfg_req_msg msg_body, *body; size_t len; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); INIT_HAL_MSG(msg_body, WCN36XX_HAL_UPDATE_CFG_REQ); @@ -2407,7 +2406,7 @@ int wcn36xx_smd_set_mc_list(struct wcn36xx *wcn, { struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif); struct wcn36xx_hal_rcv_flt_pkt_set_mc_list_req_msg *msg_body = NULL; - int ret = 0; + int ret; mutex_lock(&wcn->hal_mutex); -- cgit v1.2.3-55-g7522 From 1e3c43a7f111943fb6bb7cafa9d1e9834d6b2b0e Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Wed, 25 Jul 2018 10:59:37 +0300 Subject: ath10k: fix open brace location in ath10k_wmi_tlv_op_gen_dbglog_cfg() Fixes a recently added checkpatch warning: wmi-tlv.c:2703: open brace '{' following function definitions go on the next line Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi-tlv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index b04f86f8038a..435295dfe0d4 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -2702,7 +2702,8 @@ ath10k_wmi_tlv_op_gen_force_fw_hang(struct ath10k *ar, static struct sk_buff * ath10k_wmi_tlv_op_gen_dbglog_cfg(struct ath10k *ar, u64 module_enable, - u32 log_level) { + u32 log_level) +{ struct wmi_tlv_dbglog_cmd *cmd; struct wmi_tlv *tlv; struct sk_buff *skb; -- cgit v1.2.3-55-g7522 From cd93b83ad927b2c7979e0add0343ace59328b461 Mon Sep 17 00:00:00 2001 From: Pradeep Kumar Chitrapu Date: Wed, 25 Jul 2018 10:59:39 +0300 Subject: ath10k: support for multicast rate control Issues a wmi command to firmware when multicast rate change is received with the new BSS_CHANGED_MCAST_RATE flag. Also fixes the incorrect fixed_rate setting for CCK rates which got introduced with addition of ath10k_rates_rev2 enum. Tested on QCA9984 with firmware ver 10.4-3.6-00104 Signed-off-by: Pradeep Kumar Chitrapu Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 54 ++++++++++++++++++++++++++++++++--- 1 file changed, 50 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 95243b48a179..f068e2b9eacc 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -101,6 +101,8 @@ static struct ieee80211_rate ath10k_rates_rev2[] = { #define ath10k_g_rates_rev2 (ath10k_rates_rev2 + 0) #define ath10k_g_rates_rev2_size (ARRAY_SIZE(ath10k_rates_rev2)) +#define ath10k_wmi_legacy_rates ath10k_rates + static bool ath10k_mac_bitrate_is_cck(int bitrate) { switch (bitrate) { @@ -5439,8 +5441,12 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw, { struct ath10k *ar = hw->priv; struct ath10k_vif *arvif = (void *)vif->drv_priv; - int ret = 0; + struct cfg80211_chan_def def; u32 vdev_param, pdev_param, slottime, preamble; + u16 bitrate, hw_value; + u8 rate; + int rateidx, ret = 0; + enum nl80211_band band; mutex_lock(&ar->conf_mutex); @@ -5608,6 +5614,44 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw, arvif->vdev_id, ret); } + if (changed & BSS_CHANGED_MCAST_RATE && + !WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) { + band = def.chan->band; + rateidx = vif->bss_conf.mcast_rate[band] - 1; + + if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) + rateidx += ATH10K_MAC_FIRST_OFDM_RATE_IDX; + + bitrate = ath10k_wmi_legacy_rates[rateidx].bitrate; + hw_value = ath10k_wmi_legacy_rates[rateidx].hw_value; + if (ath10k_mac_bitrate_is_cck(bitrate)) + preamble = WMI_RATE_PREAMBLE_CCK; + else + preamble = WMI_RATE_PREAMBLE_OFDM; + + rate = ATH10K_HW_RATECODE(hw_value, 0, preamble); + + ath10k_dbg(ar, ATH10K_DBG_MAC, + "mac vdev %d mcast_rate %x\n", + arvif->vdev_id, rate); + + vdev_param = ar->wmi.vdev_param->mcast_data_rate; + ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, + vdev_param, rate); + if (ret) + ath10k_warn(ar, + "failed to set mcast rate on vdev %i: %d\n", + arvif->vdev_id, ret); + + vdev_param = ar->wmi.vdev_param->bcast_data_rate; + ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, + vdev_param, rate); + if (ret) + ath10k_warn(ar, + "failed to set bcast rate on vdev %i: %d\n", + arvif->vdev_id, ret); + } + mutex_unlock(&ar->conf_mutex); } @@ -6935,7 +6979,6 @@ ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar, const struct cfg80211_bitrate_mask *mask, u8 *rate, u8 *nss) { - struct ieee80211_supported_band *sband = &ar->mac.sbands[band]; int rate_idx; int i; u16 bitrate; @@ -6945,8 +6988,11 @@ ath10k_mac_bitrate_mask_get_single_rate(struct ath10k *ar, if (hweight32(mask->control[band].legacy) == 1) { rate_idx = ffs(mask->control[band].legacy) - 1; - hw_rate = sband->bitrates[rate_idx].hw_value; - bitrate = sband->bitrates[rate_idx].bitrate; + if (ar->phy_capability & WHAL_WLAN_11A_CAPABILITY) + rate_idx += ATH10K_MAC_FIRST_OFDM_RATE_IDX; + + hw_rate = ath10k_wmi_legacy_rates[rate_idx].hw_value; + bitrate = ath10k_wmi_legacy_rates[rate_idx].bitrate; if (ath10k_mac_bitrate_is_cck(bitrate)) preamble = WMI_RATE_PREAMBLE_CCK; -- cgit v1.2.3-55-g7522 From 673bc519c55843c68c3aecff71a4101e79d28d2b Mon Sep 17 00:00:00 2001 From: Surabhi Vishnoi Date: Wed, 25 Jul 2018 10:59:41 +0300 Subject: ath10k: disable bundle mgmt tx completion event support The tx completion of multiple mgmt frames can be bundled in a single event and sent by the firmware to host, if this capability is not disabled explicitly by the host. If the host cannot handle the bundled mgmt tx completion, this capability support needs to be disabled in the wmi init cmd, sent to the firmware. Add the host capability indication flag in the wmi ready command, to let firmware know the features supported by the host driver. This field is ignored if it is not supported by firmware. Set the host capability indication flag(i.e. host_capab) to zero, for disabling the support of bundle mgmt tx completion. This will indicate the firmware to send completion event for every mgmt tx completion, instead of bundling them together and sending in a single event. Tested HW: WCN3990 Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1 Signed-off-by: Surabhi Vishnoi Signed-off-by: Rakesh Pillai Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/wmi-tlv.c | 5 +++++ drivers/net/wireless/ath/ath10k/wmi-tlv.h | 5 +++++ 2 files changed, 10 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index 435295dfe0d4..1f8911858a6f 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -1586,6 +1586,11 @@ static struct sk_buff *ath10k_wmi_tlv_op_gen_init(struct ath10k *ar) cfg->keep_alive_pattern_size = __cpu_to_le32(0); cfg->max_tdls_concurrent_sleep_sta = __cpu_to_le32(1); cfg->max_tdls_concurrent_buffer_sta = __cpu_to_le32(1); + cfg->wmi_send_separate = __cpu_to_le32(0); + cfg->num_ocb_vdevs = __cpu_to_le32(0); + cfg->num_ocb_channels = __cpu_to_le32(0); + cfg->num_ocb_schedules = __cpu_to_le32(0); + cfg->host_capab = __cpu_to_le32(0); ath10k_wmi_put_host_mem_chunks(ar, chunks); diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h index 3e1e340cd834..1cb93d09b8a9 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h @@ -1670,6 +1670,11 @@ struct wmi_tlv_resource_config { __le32 keep_alive_pattern_size; __le32 max_tdls_concurrent_sleep_sta; __le32 max_tdls_concurrent_buffer_sta; + __le32 wmi_send_separate; + __le32 num_ocb_vdevs; + __le32 num_ocb_channels; + __le32 num_ocb_schedules; + __le32 host_capab; } __packed; struct wmi_tlv_init_cmd { -- cgit v1.2.3-55-g7522 From dc405152bb64d4ae01c9ac669de25b2d1fb6fc2d Mon Sep 17 00:00:00 2001 From: Rakesh Pillai Date: Wed, 25 Jul 2018 10:59:45 +0300 Subject: ath10k: handle mgmt tx completion event WCN3990 transmits management frames via WMI with reference. Currently, with the management tx completion not being handled, these frames are not getting freed even after the transmission status is returned by the firmware. The transmitted management frames should be freed when the firmware sends the over-the-air tx status of the corresponding management frames. Handle the wmi mgmt tx completion event and free the corresponding management frame. Tested HW: WCN3990 Tested FW: WLAN.HL.2.0-01188-QCAHLSWMTPLZ-1 Signed-off-by: Rakesh Pillai Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/core.c | 1 + drivers/net/wireless/ath/ath10k/core.h | 5 ++ drivers/net/wireless/ath/ath10k/hw.h | 1 + drivers/net/wireless/ath/ath10k/wmi-ops.h | 12 +++++ drivers/net/wireless/ath/ath10k/wmi-tlv.c | 65 ++++++++++++++++++++++- drivers/net/wireless/ath/ath10k/wmi-tlv.h | 12 +++++ drivers/net/wireless/ath/ath10k/wmi.c | 85 +++++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/wmi.h | 7 +++ 8 files changed, 186 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index 85c58ebbfb26..c40cd129afe7 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -2095,6 +2095,7 @@ static int ath10k_core_init_firmware_features(struct ath10k *ar) ar->fw_stats_req_mask = WMI_STAT_PDEV | WMI_STAT_VDEV | WMI_STAT_PEER; ar->max_spatial_stream = WMI_MAX_SPATIAL_STREAM; + ar->wmi.mgmt_max_num_pending_tx = TARGET_TLV_MGMT_NUM_MSDU_DESC; break; case ATH10K_FW_WMI_OP_VERSION_10_4: ar->max_num_peers = TARGET_10_4_NUM_PEERS; diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h index 427ee5752bb0..9feea02e7d37 100644 --- a/drivers/net/wireless/ath/ath10k/core.h +++ b/drivers/net/wireless/ath/ath10k/core.h @@ -186,6 +186,11 @@ struct ath10k_wmi { const struct wmi_ops *ops; const struct wmi_peer_flags_map *peer_flags; + u32 mgmt_max_num_pending_tx; + + /* Protected by data_lock */ + struct idr mgmt_pending_tx; + u32 num_mem_chunks; u32 rx_decap_mode; struct ath10k_mem_chunk mem_chunks[WMI_MAX_MEM_REQS]; diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h index a274bd809a08..977f79ebb4fd 100644 --- a/drivers/net/wireless/ath/ath10k/hw.h +++ b/drivers/net/wireless/ath/ath10k/hw.h @@ -699,6 +699,7 @@ ath10k_rx_desc_get_l3_pad_bytes(struct ath10k_hw_params *hw, #define TARGET_TLV_NUM_TIDS ((TARGET_TLV_NUM_PEERS) * 2) #define TARGET_TLV_NUM_MSDU_DESC (1024 + 32) #define TARGET_TLV_NUM_WOW_PATTERNS 22 +#define TARGET_TLV_MGMT_NUM_MSDU_DESC (50) /* Target specific defines for WMI-HL-1.0 firmware */ #define TARGET_HL_10_TLV_NUM_PEERS 14 diff --git a/drivers/net/wireless/ath/ath10k/wmi-ops.h b/drivers/net/wireless/ath/ath10k/wmi-ops.h index 5ecce04005d2..7fd63bbf8e24 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-ops.h +++ b/drivers/net/wireless/ath/ath10k/wmi-ops.h @@ -31,6 +31,8 @@ struct wmi_ops { struct wmi_scan_ev_arg *arg); int (*pull_mgmt_rx)(struct ath10k *ar, struct sk_buff *skb, struct wmi_mgmt_rx_ev_arg *arg); + int (*pull_mgmt_tx_compl)(struct ath10k *ar, struct sk_buff *skb, + struct wmi_tlv_mgmt_tx_compl_ev_arg *arg); int (*pull_ch_info)(struct ath10k *ar, struct sk_buff *skb, struct wmi_ch_info_ev_arg *arg); int (*pull_vdev_start)(struct ath10k *ar, struct sk_buff *skb, @@ -261,6 +263,16 @@ ath10k_wmi_pull_scan(struct ath10k *ar, struct sk_buff *skb, return ar->wmi.ops->pull_scan(ar, skb, arg); } +static inline int +ath10k_wmi_pull_mgmt_tx_compl(struct ath10k *ar, struct sk_buff *skb, + struct wmi_tlv_mgmt_tx_compl_ev_arg *arg) +{ + if (!ar->wmi.ops->pull_mgmt_tx_compl) + return -EOPNOTSUPP; + + return ar->wmi.ops->pull_mgmt_tx_compl(ar, skb, arg); +} + static inline int ath10k_wmi_pull_mgmt_rx(struct ath10k *ar, struct sk_buff *skb, struct wmi_mgmt_rx_ev_arg *arg) diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index 1f8911858a6f..95344c3e6505 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -618,6 +618,9 @@ static void ath10k_wmi_tlv_op_rx(struct ath10k *ar, struct sk_buff *skb) case WMI_TLV_TDLS_PEER_EVENTID: ath10k_wmi_event_tdls_peer(ar, skb); break; + case WMI_TLV_MGMT_TX_COMPLETION_EVENTID: + ath10k_wmi_event_mgmt_tx_compl(ar, skb); + break; default: ath10k_warn(ar, "Unknown eventid: %d\n", id); break; @@ -659,6 +662,31 @@ static int ath10k_wmi_tlv_op_pull_scan_ev(struct ath10k *ar, return 0; } +static int +ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev(struct ath10k *ar, struct sk_buff *skb, + struct wmi_tlv_mgmt_tx_compl_ev_arg *arg) +{ + const void **tb; + const struct wmi_tlv_mgmt_tx_compl_ev *ev; + int ret; + + tb = ath10k_wmi_tlv_parse_alloc(ar, skb->data, skb->len, GFP_ATOMIC); + if (IS_ERR(tb)) { + ret = PTR_ERR(tb); + ath10k_warn(ar, "failed to parse tlv: %d\n", ret); + return ret; + } + + ev = tb[WMI_TLV_TAG_STRUCT_MGMT_TX_COMPL_EVENT]; + + arg->desc_id = ev->desc_id; + arg->status = ev->status; + arg->pdev_id = ev->pdev_id; + + kfree(tb); + return 0; +} + static int ath10k_wmi_tlv_op_pull_mgmt_rx_ev(struct ath10k *ar, struct sk_buff *skb, struct wmi_mgmt_rx_ev_arg *arg) @@ -2612,6 +2640,30 @@ ath10k_wmi_tlv_op_gen_request_stats(struct ath10k *ar, u32 stats_mask) return skb; } +static int +ath10k_wmi_mgmt_tx_alloc_msdu_id(struct ath10k *ar, struct sk_buff *skb, + dma_addr_t paddr) +{ + struct ath10k_wmi *wmi = &ar->wmi; + struct ath10k_mgmt_tx_pkt_addr *pkt_addr; + int ret; + + pkt_addr = kmalloc(sizeof(*pkt_addr), GFP_ATOMIC); + if (!pkt_addr) + return -ENOMEM; + + pkt_addr->vaddr = skb; + pkt_addr->paddr = paddr; + + spin_lock_bh(&ar->data_lock); + ret = idr_alloc(&wmi->mgmt_pending_tx, pkt_addr, 0, + wmi->mgmt_max_num_pending_tx, GFP_ATOMIC); + spin_unlock_bh(&ar->data_lock); + + ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi mgmt tx alloc msdu_id ret %d\n", ret); + return ret; +} + static struct sk_buff * ath10k_wmi_tlv_op_gen_mgmt_tx_send(struct ath10k *ar, struct sk_buff *msdu, dma_addr_t paddr) @@ -2623,9 +2675,9 @@ ath10k_wmi_tlv_op_gen_mgmt_tx_send(struct ath10k *ar, struct sk_buff *msdu, u32 buf_len = msdu->len; struct wmi_tlv *tlv; struct sk_buff *skb; + int len, desc_id; u32 vdev_id; void *ptr; - int len; if (!cb->vif) return ERR_PTR(-EINVAL); @@ -2656,13 +2708,17 @@ ath10k_wmi_tlv_op_gen_mgmt_tx_send(struct ath10k *ar, struct sk_buff *msdu, if (!skb) return ERR_PTR(-ENOMEM); + desc_id = ath10k_wmi_mgmt_tx_alloc_msdu_id(ar, msdu, paddr); + if (desc_id < 0) + goto err_free_skb; + ptr = (void *)skb->data; tlv = ptr; tlv->tag = __cpu_to_le16(WMI_TLV_TAG_STRUCT_MGMT_TX_CMD); tlv->len = __cpu_to_le16(sizeof(*cmd)); cmd = (void *)tlv->value; cmd->vdev_id = __cpu_to_le32(vdev_id); - cmd->desc_id = 0; + cmd->desc_id = __cpu_to_le32(desc_id); cmd->chanfreq = 0; cmd->buf_len = __cpu_to_le32(buf_len); cmd->frame_len = __cpu_to_le32(msdu->len); @@ -2679,6 +2735,10 @@ ath10k_wmi_tlv_op_gen_mgmt_tx_send(struct ath10k *ar, struct sk_buff *msdu, memcpy(ptr, msdu->data, buf_len); return skb; + +err_free_skb: + dev_kfree_skb(skb); + return ERR_PTR(desc_id); } static struct sk_buff * @@ -3843,6 +3903,7 @@ static const struct wmi_ops wmi_tlv_ops = { .pull_scan = ath10k_wmi_tlv_op_pull_scan_ev, .pull_mgmt_rx = ath10k_wmi_tlv_op_pull_mgmt_rx_ev, + .pull_mgmt_tx_compl = ath10k_wmi_tlv_op_pull_mgmt_tx_compl_ev, .pull_ch_info = ath10k_wmi_tlv_op_pull_ch_info_ev, .pull_vdev_start = ath10k_wmi_tlv_op_pull_vdev_start_ev, .pull_peer_kick = ath10k_wmi_tlv_op_pull_peer_kick_ev, diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.h b/drivers/net/wireless/ath/ath10k/wmi-tlv.h index 1cb93d09b8a9..4f0c20c90642 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.h +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.h @@ -320,6 +320,7 @@ enum wmi_tlv_event_id { WMI_TLV_TBTTOFFSET_UPDATE_EVENTID, WMI_TLV_OFFLOAD_BCN_TX_STATUS_EVENTID, WMI_TLV_OFFLOAD_PROB_RESP_TX_STATUS_EVENTID, + WMI_TLV_MGMT_TX_COMPLETION_EVENTID, WMI_TLV_TX_DELBA_COMPLETE_EVENTID = WMI_TLV_EV(WMI_TLV_GRP_BA_NEG), WMI_TLV_TX_ADDBA_COMPLETE_EVENTID, WMI_TLV_BA_RSP_SSN_EVENTID, @@ -1573,6 +1574,17 @@ struct wmi_tlv { u8 value[0]; } __packed; +struct ath10k_mgmt_tx_pkt_addr { + void *vaddr; + dma_addr_t paddr; +}; + +struct wmi_tlv_mgmt_tx_compl_ev { + __le32 desc_id; + __le32 status; + __le32 pdev_id; +}; + #define WMI_TLV_MGMT_RX_NUM_RSSI 4 struct wmi_tlv_mgmt_rx_ev { diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 877249ac6fd4..6d20baf5ae5c 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -2313,6 +2313,59 @@ static bool ath10k_wmi_rx_is_decrypted(struct ath10k *ar, return true; } +static int wmi_process_mgmt_tx_comp(struct ath10k *ar, u32 desc_id, + u32 status) +{ + struct ath10k_mgmt_tx_pkt_addr *pkt_addr; + struct ath10k_wmi *wmi = &ar->wmi; + struct ieee80211_tx_info *info; + struct sk_buff *msdu; + int ret; + + spin_lock_bh(&ar->data_lock); + + pkt_addr = idr_find(&wmi->mgmt_pending_tx, desc_id); + if (!pkt_addr) { + ath10k_warn(ar, "received mgmt tx completion for invalid msdu_id: %d\n", + desc_id); + ret = -ENOENT; + goto out; + } + + msdu = pkt_addr->vaddr; + dma_unmap_single(ar->dev, pkt_addr->paddr, + msdu->len, DMA_FROM_DEVICE); + info = IEEE80211_SKB_CB(msdu); + info->flags |= status; + ieee80211_tx_status_irqsafe(ar->hw, msdu); + + ret = 0; + +out: + idr_remove(&wmi->mgmt_pending_tx, desc_id); + spin_unlock_bh(&ar->data_lock); + return ret; +} + +int ath10k_wmi_event_mgmt_tx_compl(struct ath10k *ar, struct sk_buff *skb) +{ + struct wmi_tlv_mgmt_tx_compl_ev_arg arg; + int ret; + + ret = ath10k_wmi_pull_mgmt_tx_compl(ar, skb, &arg); + if (ret) { + ath10k_warn(ar, "failed to parse mgmt comp event: %d\n", ret); + return ret; + } + + wmi_process_mgmt_tx_comp(ar, __le32_to_cpu(arg.desc_id), + __le32_to_cpu(arg.status)); + + ath10k_dbg(ar, ATH10K_DBG_WMI, "wmi tlv evnt mgmt tx completion\n"); + + return 0; +} + int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb) { struct wmi_mgmt_rx_ev_arg arg = {}; @@ -9073,6 +9126,11 @@ int ath10k_wmi_attach(struct ath10k *ar) INIT_WORK(&ar->radar_confirmation_work, ath10k_radar_confirmation_work); + if (test_bit(ATH10K_FW_FEATURE_MGMT_TX_BY_REF, + ar->running_fw->fw_file.fw_features)) { + idr_init(&ar->wmi.mgmt_pending_tx); + } + return 0; } @@ -9091,8 +9149,35 @@ void ath10k_wmi_free_host_mem(struct ath10k *ar) ar->wmi.num_mem_chunks = 0; } +static int ath10k_wmi_mgmt_tx_clean_up_pending(int msdu_id, void *ptr, + void *ctx) +{ + struct ath10k_mgmt_tx_pkt_addr *pkt_addr = ptr; + struct ath10k *ar = ctx; + struct sk_buff *msdu; + + ath10k_dbg(ar, ATH10K_DBG_WMI, + "force cleanup mgmt msdu_id %hu\n", msdu_id); + + msdu = pkt_addr->vaddr; + dma_unmap_single(ar->dev, pkt_addr->paddr, + msdu->len, DMA_FROM_DEVICE); + ieee80211_free_txskb(ar->hw, msdu); + + return 0; +} + void ath10k_wmi_detach(struct ath10k *ar) { + if (test_bit(ATH10K_FW_FEATURE_MGMT_TX_BY_REF, + ar->running_fw->fw_file.fw_features)) { + spin_lock_bh(&ar->data_lock); + idr_for_each(&ar->wmi.mgmt_pending_tx, + ath10k_wmi_mgmt_tx_clean_up_pending, ar); + idr_destroy(&ar->wmi.mgmt_pending_tx); + spin_unlock_bh(&ar->data_lock); + } + cancel_work_sync(&ar->svc_rdy_work); if (ar->svc_rdy_skb) diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index d68afb65402a..2c96380d8021 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -6600,6 +6600,12 @@ struct wmi_scan_ev_arg { __le32 vdev_id; }; +struct wmi_tlv_mgmt_tx_compl_ev_arg { + __le32 desc_id; + __le32 status; + __le32 pdev_id; +}; + struct wmi_mgmt_rx_ev_arg { __le32 channel; __le32 snr; @@ -7071,6 +7077,7 @@ int ath10k_wmi_start_scan_verify(const struct wmi_start_scan_arg *arg); int ath10k_wmi_event_scan(struct ath10k *ar, struct sk_buff *skb); int ath10k_wmi_event_mgmt_rx(struct ath10k *ar, struct sk_buff *skb); +int ath10k_wmi_event_mgmt_tx_compl(struct ath10k *ar, struct sk_buff *skb); void ath10k_wmi_event_chan_info(struct ath10k *ar, struct sk_buff *skb); void ath10k_wmi_event_echo(struct ath10k *ar, struct sk_buff *skb); int ath10k_wmi_event_debug_mesg(struct ath10k *ar, struct sk_buff *skb); -- cgit v1.2.3-55-g7522 From e6712aa1244fe7b53776858b73bfd1a94a198681 Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Mon, 9 Jul 2018 13:34:46 +0100 Subject: ath10k: remove redundant pointers 'dev' and 'noa' Pointers dev and noa are being assigned but are never used hence they are redundant and can be removed. Cleans up clang warnings: warning: variable 'dev' set but not used [-Wunused-but-set-variable] warning: variable 'noa' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/ahb.c | 5 ----- drivers/net/wireless/ath/ath10k/wmi-tlv.c | 2 -- 2 files changed, 7 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/ahb.c b/drivers/net/wireless/ath/ath10k/ahb.c index fa39ffffd34d..c9bd0e2b5db7 100644 --- a/drivers/net/wireless/ath/ath10k/ahb.c +++ b/drivers/net/wireless/ath/ath10k/ahb.c @@ -133,11 +133,8 @@ static void ath10k_ahb_clock_deinit(struct ath10k *ar) static int ath10k_ahb_clock_enable(struct ath10k *ar) { struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar); - struct device *dev; int ret; - dev = &ar_ahb->pdev->dev; - if (IS_ERR_OR_NULL(ar_ahb->cmd_clk) || IS_ERR_OR_NULL(ar_ahb->ref_clk) || IS_ERR_OR_NULL(ar_ahb->rtc_clk)) { @@ -451,12 +448,10 @@ static int ath10k_ahb_resource_init(struct ath10k *ar) { struct ath10k_ahb *ar_ahb = ath10k_ahb_priv(ar); struct platform_device *pdev; - struct device *dev; struct resource *res; int ret; pdev = ar_ahb->pdev; - dev = &pdev->dev; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { diff --git a/drivers/net/wireless/ath/ath10k/wmi-tlv.c b/drivers/net/wireless/ath/ath10k/wmi-tlv.c index 95344c3e6505..cdc1e64d52ad 100644 --- a/drivers/net/wireless/ath/ath10k/wmi-tlv.c +++ b/drivers/net/wireless/ath/ath10k/wmi-tlv.c @@ -1820,7 +1820,6 @@ ath10k_wmi_tlv_op_gen_vdev_start(struct ath10k *ar, { struct wmi_tlv_vdev_start_cmd *cmd; struct wmi_channel *ch; - struct wmi_p2p_noa_descriptor *noa; struct wmi_tlv *tlv; struct sk_buff *skb; size_t len; @@ -1878,7 +1877,6 @@ ath10k_wmi_tlv_op_gen_vdev_start(struct ath10k *ar, tlv = ptr; tlv->tag = __cpu_to_le16(WMI_TLV_TAG_ARRAY_STRUCT); tlv->len = 0; - noa = (void *)tlv->value; /* Note: This is a nested TLV containing: * [wmi_tlv][wmi_p2p_noa_descriptor][wmi_tlv].. -- cgit v1.2.3-55-g7522 From e8c38062efc6ffa38f602eb8ffb8c8b03bcf2b5f Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Mon, 9 Jul 2018 13:41:38 +0100 Subject: ath5k: remove redundant pointer rf Pointer rf is being assigned but is never used hence it is redundant and can be removed. Cleans up two clang warnings: warning: variable 'rf' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath5k/phy.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c index b1b8bc326830..ae08572c4b58 100644 --- a/drivers/net/wireless/ath/ath5k/phy.c +++ b/drivers/net/wireless/ath/ath5k/phy.c @@ -483,7 +483,6 @@ static u32 ath5k_hw_rf_gainf_corr(struct ath5k_hw *ah) { u32 mix, step; - u32 *rf; const struct ath5k_gain_opt *go; const struct ath5k_gain_opt_step *g_step; const struct ath5k_rf_reg *rf_regs; @@ -502,7 +501,6 @@ ath5k_hw_rf_gainf_corr(struct ath5k_hw *ah) if (ah->ah_rf_banks == NULL) return 0; - rf = ah->ah_rf_banks; ah->ah_gain.g_f_corr = 0; /* No VGA (Variable Gain Amplifier) override, skip */ @@ -549,13 +547,10 @@ ath5k_hw_rf_check_gainf_readback(struct ath5k_hw *ah) { const struct ath5k_rf_reg *rf_regs; u32 step, mix_ovr, level[4]; - u32 *rf; if (ah->ah_rf_banks == NULL) return false; - rf = ah->ah_rf_banks; - if (ah->ah_radio == AR5K_RF5111) { rf_regs = rf_regs_5111; -- cgit v1.2.3-55-g7522 From 619c9700a8fe017bdbe60e08c21213962b2de87a Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Mon, 9 Jul 2018 14:17:20 +0100 Subject: ath6kl: remove redundant variables netlen, orig_buf, orig_len, dropped and stats Variables netlen, orig_buf, orig_len, dropped and stats are assigned values but are never used hence they are redundant and can be removed. Cleans up clang warnings: warning: variable 'netlen' set but not used [-Wunused-but-set-variable] warning: variable 'orig_buf' set but not used [-Wunused-but-set-variable] warning: variable 'orig_len' set but not used [-Wunused-but-set-variable] warning: variable 'dropped' set but not used [-Wunused-but-set-variable] warning: variable 'stats' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/htc_pipe.c | 10 ++-------- drivers/net/wireless/ath/ath6kl/main.c | 3 +-- drivers/net/wireless/ath/ath6kl/txrx.c | 2 -- 3 files changed, 3 insertions(+), 12 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath6kl/htc_pipe.c b/drivers/net/wireless/ath/ath6kl/htc_pipe.c index 546243e11737..434b66829646 100644 --- a/drivers/net/wireless/ath/ath6kl/htc_pipe.c +++ b/drivers/net/wireless/ath/ath6kl/htc_pipe.c @@ -746,10 +746,8 @@ static int ath6kl_htc_pipe_tx_complete(struct ath6kl *ar, struct sk_buff *skb) struct htc_endpoint *ep; struct htc_packet *packet; u8 ep_id, *netdata; - u32 netlen; netdata = skb->data; - netlen = skb->len; htc_hdr = (struct htc_frame_hdr *) netdata; @@ -855,12 +853,8 @@ static int htc_process_trailer(struct htc_target *target, u8 *buffer, { struct htc_credit_report *report; struct htc_record_hdr *record; - u8 *record_buf, *orig_buf; - int orig_len, status; - - orig_buf = buffer; - orig_len = len; - status = 0; + u8 *record_buf; + int status = 0; while (len > 0) { if (len < sizeof(struct htc_record_hdr)) { diff --git a/drivers/net/wireless/ath/ath6kl/main.c b/drivers/net/wireless/ath/ath6kl/main.c index 808fb30be9ad..0c61dbaa62a4 100644 --- a/drivers/net/wireless/ath/ath6kl/main.c +++ b/drivers/net/wireless/ath/ath6kl/main.c @@ -272,7 +272,7 @@ int ath6kl_read_fwlogs(struct ath6kl *ar) { struct ath6kl_dbglog_hdr debug_hdr; struct ath6kl_dbglog_buf debug_buf; - u32 address, length, dropped, firstbuf, debug_hdr_addr; + u32 address, length, firstbuf, debug_hdr_addr; int ret, loop; u8 *buf; @@ -303,7 +303,6 @@ int ath6kl_read_fwlogs(struct ath6kl *ar) address = TARG_VTOP(ar->target_type, le32_to_cpu(debug_hdr.dbuf_addr)); firstbuf = address; - dropped = le32_to_cpu(debug_hdr.dropped); ret = ath6kl_diag_read(ar, address, &debug_buf, sizeof(debug_buf)); if (ret) goto out; diff --git a/drivers/net/wireless/ath/ath6kl/txrx.c b/drivers/net/wireless/ath/ath6kl/txrx.c index 618d12ed4b40..b22ed499f7ba 100644 --- a/drivers/net/wireless/ath/ath6kl/txrx.c +++ b/drivers/net/wireless/ath/ath6kl/txrx.c @@ -1701,7 +1701,6 @@ void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid_mux, u16 seq_no, struct ath6kl_sta *sta; struct aggr_info_conn *aggr_conn = NULL; struct rxtid *rxtid; - struct rxtid_stats *stats; u16 hold_q_size; u8 tid, aid; @@ -1722,7 +1721,6 @@ void aggr_recv_addba_req_evt(struct ath6kl_vif *vif, u8 tid_mux, u16 seq_no, return; rxtid = &aggr_conn->rx_tid[tid]; - stats = &aggr_conn->stat[tid]; if (win_sz < AGGR_WIN_SZ_MIN || win_sz > AGGR_WIN_SZ_MAX) ath6kl_dbg(ATH6KL_DBG_WLAN_RX, "%s: win_sz %d, tid %d\n", -- cgit v1.2.3-55-g7522 From e82f57c8b9708baf4a58a9282636d9285b5aa2dd Mon Sep 17 00:00:00 2001 From: Nicholas Mc Guire Date: Sat, 14 Jul 2018 19:38:20 +0200 Subject: ath10k: htt_tx: move lock into id_get function This is only code refactoring as all call sites of ath10k_htt_tx_alloc_msdu_id() take the same lock it can be moved into the id_get function and the assertion dropped. Signed-off-by: Nicholas Mc Guire Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/htt_tx.c | 10 ++-------- 1 file changed, 2 insertions(+), 8 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/htt_tx.c b/drivers/net/wireless/ath/ath10k/htt_tx.c index be5b52aaffa6..7cff0d52338f 100644 --- a/drivers/net/wireless/ath/ath10k/htt_tx.c +++ b/drivers/net/wireless/ath/ath10k/htt_tx.c @@ -208,10 +208,10 @@ int ath10k_htt_tx_alloc_msdu_id(struct ath10k_htt *htt, struct sk_buff *skb) struct ath10k *ar = htt->ar; int ret; - lockdep_assert_held(&htt->tx_lock); - + spin_lock_bh(&htt->tx_lock); ret = idr_alloc(&htt->pending_tx, skb, 0, htt->max_num_pending_tx, GFP_ATOMIC); + spin_unlock_bh(&htt->tx_lock); ath10k_dbg(ar, ATH10K_DBG_HTT, "htt tx alloc msdu_id %d\n", ret); @@ -1077,9 +1077,7 @@ int ath10k_htt_mgmt_tx(struct ath10k_htt *htt, struct sk_buff *msdu) len += sizeof(cmd->hdr); len += sizeof(cmd->mgmt_tx); - spin_lock_bh(&htt->tx_lock); res = ath10k_htt_tx_alloc_msdu_id(htt, msdu); - spin_unlock_bh(&htt->tx_lock); if (res < 0) goto err; @@ -1161,9 +1159,7 @@ static int ath10k_htt_tx_32(struct ath10k_htt *htt, struct htt_msdu_ext_desc *ext_desc = NULL; struct htt_msdu_ext_desc *ext_desc_t = NULL; - spin_lock_bh(&htt->tx_lock); res = ath10k_htt_tx_alloc_msdu_id(htt, msdu); - spin_unlock_bh(&htt->tx_lock); if (res < 0) goto err; @@ -1363,9 +1359,7 @@ static int ath10k_htt_tx_64(struct ath10k_htt *htt, struct htt_msdu_ext_desc_64 *ext_desc = NULL; struct htt_msdu_ext_desc_64 *ext_desc_t = NULL; - spin_lock_bh(&htt->tx_lock); res = ath10k_htt_tx_alloc_msdu_id(htt, msdu); - spin_unlock_bh(&htt->tx_lock); if (res < 0) goto err; -- cgit v1.2.3-55-g7522 From db251d7df4570c7d48df088edfa3d1d510cc67c2 Mon Sep 17 00:00:00 2001 From: Maharaja Kennadyrajan Date: Wed, 18 Jul 2018 19:04:20 +0530 Subject: ath10k: add debugfs file warm_hw_reset Debugfs support to do hardware warm reset with WMI command WMI_PDEV_PARAM_PDEV_RESET for 10.4 and 10.2.4(if wmi service is enabled in the firmware for backward compatibility). This change is purely for debugging purpose when hardware hangs/mutes. This hardware reset won't affect the connectivity but there will be small pause in data traffic. Here we are doing BB/MAC level reset and hence whenever the BB/MAC watchdog is triggered, it does a hardware_chip_reset. So the target will be in the active state. Below command used to warm reset the hardware. echo 1 > /sys/kernel/debug/ieee80211/phyX/ath10k/warm_hw_reset Tested in QCA988X with firmware ver 10.2.4.70.45 Tested in QCA4019 with firmware ver 10.4-3.2.1.1-00011 Signed-off-by: Maharaja Kennadyrajan Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/debug.c | 49 +++++++++++++++++++++++++++++++++ drivers/net/wireless/ath/ath10k/wmi.c | 2 +- drivers/net/wireless/ath/ath10k/wmi.h | 16 ++++++++++- 3 files changed, 65 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 4926722e0c0d..0baaad90b8d1 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -2297,6 +2297,52 @@ static const struct file_operations fops_tpc_stats_final = { .llseek = default_llseek, }; +static ssize_t ath10k_write_warm_hw_reset(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct ath10k *ar = file->private_data; + int ret; + bool val; + + if (kstrtobool_from_user(user_buf, count, &val)) + return -EFAULT; + + if (!val) + return -EINVAL; + + mutex_lock(&ar->conf_mutex); + + if (ar->state != ATH10K_STATE_ON) { + ret = -ENETDOWN; + goto exit; + } + + if (!(test_bit(WMI_SERVICE_RESET_CHIP, ar->wmi.svc_map))) + ath10k_warn(ar, "wmi service for reset chip is not available\n"); + + ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->pdev_reset, + WMI_RST_MODE_WARM_RESET); + + if (ret) { + ath10k_warn(ar, "failed to enable warm hw reset: %d\n", ret); + goto exit; + } + + ret = count; + +exit: + mutex_unlock(&ar->conf_mutex); + return ret; +} + +static const struct file_operations fops_warm_hw_reset = { + .write = ath10k_write_warm_hw_reset, + .open = simple_open, + .owner = THIS_MODULE, + .llseek = default_llseek, +}; + int ath10k_debug_create(struct ath10k *ar) { ar->debug.cal_data = vzalloc(ATH10K_DEBUG_CAL_DATA_LEN); @@ -2425,6 +2471,9 @@ int ath10k_debug_register(struct ath10k *ar) ar->debug.debugfs_phy, ar, &fops_tpc_stats_final); + debugfs_create_file("warm_hw_reset", 0600, ar->debug.debugfs_phy, ar, + &fops_warm_hw_reset); + return 0; } diff --git a/drivers/net/wireless/ath/ath10k/wmi.c b/drivers/net/wireless/ath/ath10k/wmi.c index 6d20baf5ae5c..fd612d2905b0 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.c +++ b/drivers/net/wireless/ath/ath10k/wmi.c @@ -1333,7 +1333,7 @@ static struct wmi_pdev_param_map wmi_10_2_4_pdev_param_map = { .enable_per_tid_ampdu = WMI_PDEV_PARAM_UNSUPPORTED, .cca_threshold = WMI_PDEV_PARAM_UNSUPPORTED, .rts_fixed_rate = WMI_PDEV_PARAM_UNSUPPORTED, - .pdev_reset = WMI_PDEV_PARAM_UNSUPPORTED, + .pdev_reset = WMI_10X_PDEV_PARAM_PDEV_RESET, .wapi_mbssid_offset = WMI_PDEV_PARAM_UNSUPPORTED, .arp_srcaddr = WMI_PDEV_PARAM_UNSUPPORTED, .arp_dstaddr = WMI_PDEV_PARAM_UNSUPPORTED, diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 2c96380d8021..36220258e3c7 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -462,6 +462,7 @@ static inline char *wmi_service_name(int service_id) SVCSTR(WMI_SERVICE_HTT_MGMT_TX_COMP_VALID_FLAGS); SVCSTR(WMI_SERVICE_HOST_DFS_CHECK_SUPPORT); SVCSTR(WMI_SERVICE_TPC_STATS_FINAL); + SVCSTR(WMI_SERVICE_RESET_CHIP); default: return NULL; } @@ -3934,7 +3935,11 @@ enum wmi_10x_pdev_param { WMI_10X_PDEV_PARAM_REMOVE_MCAST2UCAST_BUFFER, WMI_10X_PDEV_PARAM_PEER_STA_PS_STATECHG_ENABLE, WMI_10X_PDEV_PARAM_RTS_FIXED_RATE, - WMI_10X_PDEV_PARAM_CAL_PERIOD + WMI_10X_PDEV_PARAM_CAL_PERIOD, + WMI_10X_PDEV_PARAM_ATF_STRICT_SCH, + WMI_10X_PDEV_PARAM_ATF_SCHED_DURATION, + WMI_10X_PDEV_PARAM_SET_PROMISC_MODE_CMDID, + WMI_10X_PDEV_PARAM_PDEV_RESET }; enum wmi_10_4_pdev_param { @@ -6501,6 +6506,15 @@ struct wmi_force_fw_hang_cmd { __le32 delay_ms; } __packed; +enum wmi_pdev_reset_mode_type { + WMI_RST_MODE_TX_FLUSH = 1, + WMI_RST_MODE_WARM_RESET, + WMI_RST_MODE_COLD_RESET, + WMI_RST_MODE_WARM_RESET_RESTORE_CAL, + WMI_RST_MODE_COLD_RESET_RESTORE_CAL, + WMI_RST_MODE_MAX, +}; + enum ath10k_dbglog_level { ATH10K_DBGLOG_LEVEL_VERBOSE = 0, ATH10K_DBGLOG_LEVEL_INFO = 1, -- cgit v1.2.3-55-g7522 From ebfac1d0c1663a47f6a0912930b9b8db4306e38b Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Mon, 30 Jul 2018 21:56:43 +0300 Subject: ath10k: fix parenthesis alignment These were recently introduced and found by checkpatch: drivers/net/wireless/ath/ath10k/mac.c:6118: Alignment should match open parenthesis drivers/net/wireless/ath/ath10k/mac.c:6121: Alignment should match open parenthesis drivers/net/wireless/ath/ath10k/mac.c:6124: Alignment should match open parenthesis Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index f068e2b9eacc..b6830fa16e99 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -6107,13 +6107,13 @@ static void ath10k_sta_rc_update_wk(struct work_struct *wk) mode = chan_to_phymode(&def); ath10k_dbg(ar, ATH10K_DBG_MAC, "mac update sta %pM peer bw %d phymode %d\n", - sta->addr, bw, mode); + sta->addr, bw, mode); err = ath10k_wmi_peer_set_param(ar, arvif->vdev_id, sta->addr, - WMI_PEER_PHYMODE, mode); + WMI_PEER_PHYMODE, mode); if (err) { ath10k_warn(ar, "failed to update STA %pM peer phymode %d: %d\n", - sta->addr, mode, err); + sta->addr, mode, err); goto exit; } -- cgit v1.2.3-55-g7522 From 3f259111583801013cb605bb4414aa529adccf1c Mon Sep 17 00:00:00 2001 From: Sven Eckelmann Date: Thu, 26 Jul 2018 15:59:48 +0200 Subject: ath10k: prevent active scans on potential unusable channels The QCA4019 hw1.0 firmware 10.4-3.2.1-00050 and 10.4-3.5.3-00053 (and most likely all other) seem to ignore the WMI_CHAN_FLAG_DFS flag during the scan. This results in transmission (probe requests) on channels which are not "available" for transmissions. Since the firmware is closed source and nothing can be done from our side to fix the problem in it, the driver has to work around this problem. The WMI_CHAN_FLAG_PASSIVE seems to be interpreted by the firmware to not scan actively on a channel unless an AP was detected on it. Simple probe requests will then be transmitted by the STA on the channel. ath10k must therefore also use this flag when it queues a radar channel for scanning. This should reduce the chance of an active scan when the channel might be "unusable" for transmissions. Fixes: e8a50f8ba44b ("ath10k: introduce DFS implementation") Signed-off-by: Sven Eckelmann Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath10k/mac.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index b6830fa16e99..90f9372dec25 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -3087,6 +3087,13 @@ static int ath10k_update_channel_list(struct ath10k *ar) passive = channel->flags & IEEE80211_CHAN_NO_IR; ch->passive = passive; + /* the firmware is ignoring the "radar" flag of the + * channel and is scanning actively using Probe Requests + * on "Radar detection"/DFS channels which are not + * marked as "available" + */ + ch->passive |= ch->chan_radar; + ch->freq = channel->center_freq; ch->band_center_freq1 = channel->center_freq; ch->min_power = 0; -- cgit v1.2.3-55-g7522 From bfc55fe65987743e534808a18217ccd5783e00bb Mon Sep 17 00:00:00 2001 From: Jia-Ju Bai Date: Fri, 27 Jul 2018 16:43:18 +0800 Subject: ath6kl: replace GFP_ATOMIC with GFP_KERNEL in ath6kl_bmi_init() ath6kl_bmi_init() is never called in atomic context. It calls kzalloc() with GFP_ATOMIC, which is not necessary. GFP_ATOMIC can be replaced with GFP_KERNEL. This is found by a static analysis tool named DCNS written by myself. Signed-off-by: Jia-Ju Bai Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath6kl/bmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath6kl/bmi.c b/drivers/net/wireless/ath/ath6kl/bmi.c index 334dbd834b3a..bde5a10d470c 100644 --- a/drivers/net/wireless/ath/ath6kl/bmi.c +++ b/drivers/net/wireless/ath/ath6kl/bmi.c @@ -534,7 +534,7 @@ int ath6kl_bmi_init(struct ath6kl *ar) /* cmd + addr + len + data_size */ ar->bmi.max_cmd_size = ar->bmi.max_data_size + (sizeof(u32) * 3); - ar->bmi.cmd_buf = kzalloc(ar->bmi.max_cmd_size, GFP_ATOMIC); + ar->bmi.cmd_buf = kzalloc(ar->bmi.max_cmd_size, GFP_KERNEL); if (!ar->bmi.cmd_buf) return -ENOMEM; -- cgit v1.2.3-55-g7522 From a2a49e86b325fa2e44b0b7407f07e6eab6cc3edd Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 30 Jul 2018 21:31:15 +0300 Subject: ath9k_hw: set spectral scan enable bit on trigger for AR9003+ AR9002 code and the QCA AR9003+ reference code do the same. Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/ar9003_phy.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index fe5102ca5010..98c5f524a360 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -1800,6 +1800,8 @@ static void ar9003_hw_spectral_scan_config(struct ath_hw *ah, static void ar9003_hw_spectral_scan_trigger(struct ath_hw *ah) { + REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, + AR_PHY_SPECTRAL_SCAN_ENABLE); /* Activate spectral scan */ REG_SET_BIT(ah, AR_PHY_SPECTRAL_SCAN, AR_PHY_SPECTRAL_SCAN_ACTIVE); -- cgit v1.2.3-55-g7522 From 3a69dd366866b066b329f6074189a1a6eb056b93 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 30 Jul 2018 21:31:17 +0300 Subject: ath9k: don't run periodic and nf calibation at the same time The checks already prevents periodic cal from being started while noise floor calibration runs. It is missing checks for the other way around. Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/ar9002_calib.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c index 50fcd343c41a..fd9db8ca99d7 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c @@ -676,10 +676,10 @@ static int ar9002_hw_calibrate(struct ath_hw *ah, struct ath9k_channel *chan, return 0; ah->cal_list_curr = currCal = currCal->calNext; - if (currCal->calState == CAL_WAITING) { + if (currCal->calState == CAL_WAITING) ath9k_hw_reset_calibration(ah, currCal); - return 0; - } + + return 0; } /* Do NF cal only at longer intervals */ -- cgit v1.2.3-55-g7522 From 11f7f4f9c0d28a0742b238fdb851eb3698ad6d9a Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 30 Jul 2018 21:31:19 +0300 Subject: ath9k: fix moredata bit in PS buffered frame release Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/xmit.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 7fdb152be0bb..cab24b43ac88 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1659,6 +1659,22 @@ void ath_tx_aggr_wakeup(struct ath_softc *sc, struct ath_node *an) } } + +static void +ath9k_set_moredata(struct ath_softc *sc, struct ath_buf *bf, bool val) +{ + struct ieee80211_hdr *hdr; + u16 mask = cpu_to_le16(IEEE80211_FCTL_MOREDATA); + u16 mask_val = mask * val; + + hdr = (struct ieee80211_hdr *) bf->bf_mpdu->data; + if ((hdr->frame_control & mask) != mask_val) { + hdr->frame_control = (hdr->frame_control & ~mask) | mask_val; + dma_sync_single_for_device(sc->dev, bf->bf_buf_addr, + sizeof(*hdr), DMA_TO_DEVICE); + } +} + void ath9k_release_buffered_frames(struct ieee80211_hw *hw, struct ieee80211_sta *sta, u16 tids, int nframes, @@ -1689,6 +1705,7 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, if (!bf) break; + ath9k_set_moredata(sc, bf, true); list_add_tail(&bf->list, &bf_q); ath_set_rates(tid->an->vif, tid->an->sta, bf); if (bf_isampdu(bf)) { @@ -1712,6 +1729,9 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, if (list_empty(&bf_q)) return; + if (!more_data) + ath9k_set_moredata(sc, bf_tail, false); + info = IEEE80211_SKB_CB(bf_tail->bf_mpdu); info->flags |= IEEE80211_TX_STATUS_EOSP; -- cgit v1.2.3-55-g7522 From e20c7c91ef60cb3a3534f73d14007ec0728d1620 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 30 Jul 2018 21:31:21 +0300 Subject: ath9k: clear potentially stale EOSP status bit in intermediate queues Prevents spurious ieee80211_sta_eosp calls. Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/xmit.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index cab24b43ac88..56a0d1b7527a 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -969,7 +969,8 @@ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq, bf->bf_lastbf = bf; tx_info = IEEE80211_SKB_CB(skb); - tx_info->flags &= ~IEEE80211_TX_CTL_CLEAR_PS_FILT; + tx_info->flags &= ~(IEEE80211_TX_CTL_CLEAR_PS_FILT | + IEEE80211_TX_STATUS_EOSP); /* * No aggregation session is running, but there may be frames -- cgit v1.2.3-55-g7522 From 36e14a787dd0b459760de3622e9709edb745a6af Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 30 Jul 2018 21:31:23 +0300 Subject: ath9k: report tx status on EOSP Fixes missed indications of end of U-APSD service period to mac80211 Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/xmit.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 56a0d1b7527a..d366170f01cf 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -86,7 +86,8 @@ static void ath_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct ieee80211_sta *sta = info->status.status_driver_data[0]; - if (info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS) { + if (info->flags & (IEEE80211_TX_CTL_REQ_TX_STATUS | + IEEE80211_TX_STATUS_EOSP)) { ieee80211_tx_status(hw, skb); return; } -- cgit v1.2.3-55-g7522 From 1226f9e1029637ebdab6bd80928213b8c1ad965c Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 30 Jul 2018 21:31:26 +0300 Subject: ath9k: fix block-ack window tracking issues Ensure that a buffer gets tracked as part of the block-ack window as soon as it's dequeued from the tid for the first time. Ensure that double calls to ath_tx_addto_baw (e.g. on retransmission) don't cause any issues. Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/xmit.c | 29 ++++++++++++++++++----------- 1 file changed, 18 insertions(+), 11 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index d366170f01cf..bae0f6c045e1 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -62,7 +62,7 @@ static void ath_tx_rc_status(struct ath_softc *sc, struct ath_buf *bf, struct ath_tx_status *ts, int nframes, int nbad, int txok); static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid, - int seqno); + struct ath_buf *bf); static struct ath_buf *ath_tx_setup_buffer(struct ath_softc *sc, struct ath_txq *txq, struct ath_atx_tid *tid, @@ -296,7 +296,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) } if (fi->baw_tracked) { - ath_tx_update_baw(sc, tid, bf->bf_state.seqno); + ath_tx_update_baw(sc, tid, bf); sendbar = true; } @@ -312,10 +312,15 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid) } static void ath_tx_update_baw(struct ath_softc *sc, struct ath_atx_tid *tid, - int seqno) + struct ath_buf *bf) { + struct ath_frame_info *fi = get_frame_info(bf->bf_mpdu); + u16 seqno = bf->bf_state.seqno; int index, cindex; + if (!fi->baw_tracked) + return; + index = ATH_BA_INDEX(tid->seq_start, seqno); cindex = (tid->baw_head + index) & (ATH_TID_MAX_BUFS - 1); @@ -336,6 +341,9 @@ static void ath_tx_addto_baw(struct ath_softc *sc, struct ath_atx_tid *tid, u16 seqno = bf->bf_state.seqno; int index, cindex; + if (fi->baw_tracked) + return; + index = ATH_BA_INDEX(tid->seq_start, seqno); cindex = (tid->baw_head + index) & (ATH_TID_MAX_BUFS - 1); __set_bit(cindex, tid->tx_buf); @@ -612,7 +620,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, * complete the acked-ones/xretried ones; update * block-ack window */ - ath_tx_update_baw(sc, tid, seqno); + ath_tx_update_baw(sc, tid, bf); if (rc_update && (acked_cnt == 1 || txfail_cnt == 1)) { memcpy(tx_info->control.rates, rates, sizeof(rates)); @@ -642,7 +650,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, * run out of tx buf. */ if (!tbf) { - ath_tx_update_baw(sc, tid, seqno); + ath_tx_update_baw(sc, tid, bf); ath_tx_complete_buf(sc, bf, txq, &bf_head, NULL, ts, @@ -1011,11 +1019,14 @@ ath_tx_get_tid_subframe(struct ath_softc *sc, struct ath_txq *txq, INIT_LIST_HEAD(&bf_head); list_add(&bf->list, &bf_head); - ath_tx_update_baw(sc, tid, seqno); + ath_tx_update_baw(sc, tid, bf); ath_tx_complete_buf(sc, bf, txq, &bf_head, NULL, &ts, 0); continue; } + if (bf_isampdu(bf)) + ath_tx_addto_baw(sc, tid, bf); + return bf; } @@ -1073,8 +1084,6 @@ ath_tx_form_aggr(struct ath_softc *sc, struct ath_txq *txq, bf->bf_next = NULL; /* link buffers of this frame to the aggregate */ - if (!fi->baw_tracked) - ath_tx_addto_baw(sc, tid, bf); bf->bf_state.ndelim = ndelim; list_add_tail(&bf->list, bf_q); @@ -1710,10 +1719,8 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw, ath9k_set_moredata(sc, bf, true); list_add_tail(&bf->list, &bf_q); ath_set_rates(tid->an->vif, tid->an->sta, bf); - if (bf_isampdu(bf)) { - ath_tx_addto_baw(sc, tid, bf); + if (bf_isampdu(bf)) bf->bf_state.bf_type &= ~BUF_AGGR; - } if (bf_tail) bf_tail->bf_next = bf; -- cgit v1.2.3-55-g7522 From 461d8a6bb9879b0e619752d040292e67aa06f1d2 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 30 Jul 2018 21:31:28 +0300 Subject: ath9k_hw: fix channel maximum power level test The tx power applied by set_txpower is limited by the CTL (conformance test limit) entries in the EEPROM. These can change based on the user configured regulatory domain. Depending on the EEPROM data this can cause the tx power to become too limited, if the original regdomain CTLs impose lower limits than the CTLs of the user configured regdomain. To fix this issue, set the initial channel limits without any CTL restrictions and only apply the CTL at run time when setting the channel and the real tx power. Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/hw.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 32fb85e076d6..bb319f22761f 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2942,16 +2942,19 @@ void ath9k_hw_apply_txpower(struct ath_hw *ah, struct ath9k_channel *chan, struct ath_regulatory *reg = ath9k_hw_regulatory(ah); struct ieee80211_channel *channel; int chan_pwr, new_pwr; + u16 ctl = NO_CTL; if (!chan) return; + if (!test) + ctl = ath9k_regd_get_ctl(reg, chan); + channel = chan->chan; chan_pwr = min_t(int, channel->max_power * 2, MAX_RATE_POWER); new_pwr = min_t(int, chan_pwr, reg->power_limit); - ah->eep_ops->set_txpower(ah, chan, - ath9k_regd_get_ctl(reg, chan), + ah->eep_ops->set_txpower(ah, chan, ctl, get_antenna_gain(ah, chan), new_pwr, test); } -- cgit v1.2.3-55-g7522 From 52d7e0e5339b429171c032fbc03a45a47f6026a3 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Mon, 30 Jul 2018 21:31:30 +0300 Subject: ath9k: fix more-data flag for buffered multicast packets The flag needs to be cleared for the last packet in the list, not the first one. Fixes some issues with multicast packet loss for powersave clients connected to an ath9k AP. Signed-off-by: Felix Fietkau Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/xmit.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index bae0f6c045e1..43b6c8508e49 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -2436,7 +2436,6 @@ void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif, .txq = sc->beacon.cabq }; struct ath_tx_info info = {}; - struct ieee80211_hdr *hdr; struct ath_buf *bf_tail = NULL; struct ath_buf *bf; LIST_HEAD(bf_q); @@ -2480,15 +2479,10 @@ void ath_tx_cabq(struct ieee80211_hw *hw, struct ieee80211_vif *vif, if (list_empty(&bf_q)) return; - bf = list_first_entry(&bf_q, struct ath_buf, list); - hdr = (struct ieee80211_hdr *) bf->bf_mpdu->data; - - if (hdr->frame_control & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) { - hdr->frame_control &= ~cpu_to_le16(IEEE80211_FCTL_MOREDATA); - dma_sync_single_for_device(sc->dev, bf->bf_buf_addr, - sizeof(*hdr), DMA_TO_DEVICE); - } + bf = list_last_entry(&bf_q, struct ath_buf, list); + ath9k_set_moredata(sc, bf, false); + bf = list_first_entry(&bf_q, struct ath_buf, list); ath_txq_lock(sc, txctl.txq); ath_tx_fill_desc(sc, bf, txctl.txq, 0); ath_tx_txqaddbuf(sc, txctl.txq, &bf_q, false); -- cgit v1.2.3-55-g7522 From 1bd82ee09aeae74c9f68e6f4147132a3e30e721e Mon Sep 17 00:00:00 2001 From: Dedy Lansky Date: Tue, 24 Jul 2018 10:44:22 +0300 Subject: wil6210: Rx multicast packets duplicate detection Store the last received multicast sequence number (SN) part of the TID info. Drop Rx multicast packets with retry bit set which their SN is equal to the last received. Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/debugfs.c | 7 ++++--- drivers/net/wireless/ath/wil6210/rx_reorder.c | 23 ++++++++++++++++------- drivers/net/wireless/ath/wil6210/txrx.c | 3 ++- drivers/net/wireless/ath/wil6210/txrx.h | 5 +++++ drivers/net/wireless/ath/wil6210/txrx_edma.c | 3 ++- drivers/net/wireless/ath/wil6210/txrx_edma.h | 6 ++++++ drivers/net/wireless/ath/wil6210/wil6210.h | 6 +++++- 7 files changed, 40 insertions(+), 13 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 58ce044b1130..7d621264ddd0 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1640,6 +1640,7 @@ static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r) int i; u16 index = ((r->head_seq_num - r->ssn) & 0xfff) % r->buf_size; unsigned long long drop_dup = r->drop_dup, drop_old = r->drop_old; + unsigned long long drop_dup_mcast = r->drop_dup_mcast; seq_printf(s, "([%2d]) 0x%03x [", r->buf_size, r->head_seq_num); for (i = 0; i < r->buf_size; i++) { @@ -1649,9 +1650,9 @@ static void wil_print_rxtid(struct seq_file *s, struct wil_tid_ampdu_rx *r) seq_printf(s, "%c", r->reorder_buf[i] ? '*' : '_'); } seq_printf(s, - "] total %llu drop %llu (dup %llu + old %llu) last 0x%03x\n", - r->total, drop_dup + drop_old, drop_dup, drop_old, - r->ssn_last_drop); + "] total %llu drop %llu (dup %llu + old %llu + dup mcast %llu) last 0x%03x\n", + r->total, drop_dup + drop_old + drop_dup_mcast, drop_dup, + drop_old, drop_dup_mcast, r->ssn_last_drop); } static void wil_print_rxtid_crypto(struct seq_file *s, int tid, diff --git a/drivers/net/wireless/ath/wil6210/rx_reorder.c b/drivers/net/wireless/ath/wil6210/rx_reorder.c index 22475a1ddb7f..ba4e93f53b4a 100644 --- a/drivers/net/wireless/ath/wil6210/rx_reorder.c +++ b/drivers/net/wireless/ath/wil6210/rx_reorder.c @@ -95,7 +95,7 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) { struct wil6210_vif *vif; struct net_device *ndev; - int tid, cid, mid, mcast; + int tid, cid, mid, mcast, retry; u16 seq; struct wil_sta_info *sta; struct wil_tid_ampdu_rx *r; @@ -103,7 +103,7 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) int index; wil->txrx_ops.get_reorder_params(wil, skb, &tid, &cid, &mid, &seq, - &mcast); + &mcast, &retry); sta = &wil->sta[cid]; wil_dbg_txrx(wil, "MID %d CID %d TID %d Seq 0x%03x mcast %01x\n", @@ -117,11 +117,6 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) } ndev = vif_to_ndev(vif); - if (unlikely(mcast)) { - wil_netif_rx_any(skb, ndev); - return; - } - spin_lock(&sta->tid_rx_lock); r = sta->tid_rx[tid]; @@ -130,6 +125,19 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) goto out; } + if (unlikely(mcast)) { + if (retry && seq == r->mcast_last_seq) { + r->drop_dup_mcast++; + wil_dbg_txrx(wil, "Rx drop: dup mcast seq 0x%03x\n", + seq); + dev_kfree_skb(skb); + goto out; + } + r->mcast_last_seq = seq; + wil_netif_rx_any(skb, ndev); + goto out; + } + r->total++; hseq = r->head_seq_num; @@ -262,6 +270,7 @@ struct wil_tid_ampdu_rx *wil_tid_ampdu_rx_alloc(struct wil6210_priv *wil, r->buf_size = size; r->stored_mpdu_num = 0; r->first_time = true; + r->mcast_last_seq = U16_MAX; return r; } diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 2098f3cc1cec..ad40a96821ed 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -2180,7 +2180,7 @@ static inline void wil_tx_fini(struct wil6210_priv *wil) {} static void wil_get_reorder_params(struct wil6210_priv *wil, struct sk_buff *skb, int *tid, int *cid, - int *mid, u16 *seq, int *mcast) + int *mid, u16 *seq, int *mcast, int *retry) { struct vring_rx_desc *d = wil_skb_rxdesc(skb); @@ -2189,6 +2189,7 @@ static void wil_get_reorder_params(struct wil6210_priv *wil, *mid = wil_rxdesc_mid(d); *seq = wil_rxdesc_seq(d); *mcast = wil_rxdesc_mcast(d); + *retry = wil_rxdesc_retry(d); } void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil) diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h index f361423628f5..3dfd7f916137 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.h +++ b/drivers/net/wireless/ath/wil6210/txrx.h @@ -500,6 +500,11 @@ static inline int wil_rxdesc_ext_subtype(struct vring_rx_desc *d) return WIL_GET_BITS(d->mac.d0, 28, 31); } +static inline int wil_rxdesc_retry(struct vring_rx_desc *d) +{ + return WIL_GET_BITS(d->mac.d0, 31, 31); +} + static inline int wil_rxdesc_key_id(struct vring_rx_desc *d) { return WIL_GET_BITS(d->mac.d1, 4, 5); diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c index 95f38e65d969..194034779b9f 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.c +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -503,7 +503,7 @@ out_free: static void wil_get_reorder_params_edma(struct wil6210_priv *wil, struct sk_buff *skb, int *tid, int *cid, int *mid, u16 *seq, - int *mcast) + int *mcast, int *retry) { struct wil_rx_status_extended *s = wil_skb_rxstatus(skb); @@ -512,6 +512,7 @@ static void wil_get_reorder_params_edma(struct wil6210_priv *wil, *mid = wil_rx_status_get_mid(s); *seq = le16_to_cpu(wil_rx_status_get_seq(wil, s)); *mcast = wil_rx_status_get_mcast(s); + *retry = wil_rx_status_get_retry(s); } static void wil_get_netif_rx_params_edma(struct sk_buff *skb, int *cid, diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.h b/drivers/net/wireless/ath/wil6210/txrx_edma.h index e86fc2dc0ce0..a7fe9292fda3 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.h +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.h @@ -471,6 +471,12 @@ static inline __le16 wil_rx_status_get_seq(struct wil6210_priv *wil, void *msg) return ((struct wil_rx_status_extended *)msg)->ext.seq_num; } +static inline u8 wil_rx_status_get_retry(void *msg) +{ + /* retry bit is missing in EDMA HW. return 1 to be on the safe side */ + return 1; +} + static inline int wil_rx_status_get_mid(void *msg) { if (!(((struct wil_rx_status_compressed *)msg)->d0 & diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index d963c76b679e..9b1467c49ccc 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -572,7 +572,7 @@ struct wil_txrx_ops { u16 agg_wsize, u16 timeout); void (*get_reorder_params)(struct wil6210_priv *wil, struct sk_buff *skb, int *tid, int *cid, - int *mid, u16 *seq, int *mcast); + int *mid, u16 *seq, int *mcast, int *retry); void (*get_netif_rx_params)(struct sk_buff *skb, int *cid, int *security); int (*rx_crypto_check)(struct wil6210_priv *wil, struct sk_buff *skb); @@ -625,6 +625,8 @@ struct pci_dev; * @drop_dup: duplicate frames dropped for this reorder buffer * @drop_old: old frames dropped for this reorder buffer * @first_time: true when this buffer used 1-st time + * @mcast_last_seq: sequence number (SN) of last received multicast packet + * @drop_dup_mcast: duplicate multicast frames dropped for this reorder buffer */ struct wil_tid_ampdu_rx { struct sk_buff **reorder_buf; @@ -638,6 +640,8 @@ struct wil_tid_ampdu_rx { unsigned long long drop_dup; unsigned long long drop_old; bool first_time; /* is it 1-st time this buffer used? */ + u16 mcast_last_seq; /* multicast dup detection */ + unsigned long long drop_dup_mcast; }; /** -- cgit v1.2.3-55-g7522 From e15af41c05eda216a43b9e7a22c2399e0ad720ff Mon Sep 17 00:00:00 2001 From: Dedy Lansky Date: Tue, 24 Jul 2018 10:44:23 +0300 Subject: wil6210: drop Rx packets with L2 error indication from HW Due to recent change in FW, driver will be notified of corrupted Rx packets (e.g. MIC error). Drop such packets before they are delivered to network stack. Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/debugfs.c | 12 ++++---- drivers/net/wireless/ath/wil6210/txrx.c | 22 ++++++++++++++ drivers/net/wireless/ath/wil6210/txrx_edma.c | 16 ++++------ drivers/net/wireless/ath/wil6210/wil6210.h | 44 +++++++++++++++------------- 4 files changed, 55 insertions(+), 39 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 7d621264ddd0..99b1fc5b796f 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1734,13 +1734,11 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock) p->stats.rx_short_frame, p->stats.rx_large_frame, p->stats.rx_replay); - - if (wil->use_enhanced_dma_hw) - seq_printf(s, - "mic error %lu, key error %lu, amsdu error %lu\n", - p->stats.rx_mic_error, - p->stats.rx_key_error, - p->stats.rx_amsdu_error); + seq_printf(s, + "mic error %lu, key error %lu, amsdu error %lu\n", + p->stats.rx_mic_error, + p->stats.rx_key_error, + p->stats.rx_amsdu_error); seq_puts(s, "Rx/MCS:"); for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs); diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index ad40a96821ed..9ac867445a5b 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -678,6 +678,21 @@ static int wil_rx_crypto_check(struct wil6210_priv *wil, struct sk_buff *skb) return 0; } +static int wil_rx_error_check(struct wil6210_priv *wil, struct sk_buff *skb, + struct wil_net_stats *stats) +{ + struct vring_rx_desc *d = wil_skb_rxdesc(skb); + + if ((d->dma.status & RX_DMA_STATUS_ERROR) && + (d->dma.error & RX_DMA_ERROR_MIC)) { + stats->rx_mic_error++; + wil_dbg_txrx(wil, "MIC error, dropping packet\n"); + return -EFAULT; + } + + return 0; +} + static void wil_get_netif_rx_params(struct sk_buff *skb, int *cid, int *security) { @@ -736,6 +751,12 @@ void wil_netif_rx_any(struct sk_buff *skb, struct net_device *ndev) goto stats; } + /* check errors reported by HW and update statistics */ + if (unlikely(wil->txrx_ops.rx_error_check(wil, skb, stats))) { + dev_kfree_skb(skb); + return; + } + if (wdev->iftype == NL80211_IFTYPE_AP && !vif->ap_isolate) { if (mcast) { /* send multicast frames both to higher layers in @@ -2212,6 +2233,7 @@ void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil) wil->txrx_ops.get_netif_rx_params = wil_get_netif_rx_params; wil->txrx_ops.rx_crypto_check = wil_rx_crypto_check; + wil->txrx_ops.rx_error_check = wil_rx_error_check; wil->txrx_ops.is_rx_idle = wil_is_rx_idle; wil->txrx_ops.rx_fini = wil_rx_fini; } diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c index 194034779b9f..b5d399f1c1c7 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.c +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -795,14 +795,15 @@ static int wil_check_bar(struct wil6210_priv *wil, void *msg, int cid, return -EAGAIN; } -static int wil_rx_edma_check_errors(struct wil6210_priv *wil, void *msg, - struct wil_net_stats *stats, - struct sk_buff *skb) +static int wil_rx_error_check_edma(struct wil6210_priv *wil, + struct sk_buff *skb, + struct wil_net_stats *stats) { int error; int l2_rx_status; int l3_rx_status; int l4_rx_status; + void *msg = wil_skb_rxstatus(skb); error = wil_rx_status_get_error(msg); if (!error) { @@ -865,7 +866,6 @@ static struct sk_buff *wil_sring_reap_rx_edma(struct wil6210_priv *wil, struct wil_net_stats *stats = NULL; u16 dmalen; int cid; - int rc; bool eop, headstolen; int delta; u8 dr_bit; @@ -937,13 +937,6 @@ again: goto skipping; } - /* Check and treat errors reported by HW */ - rc = wil_rx_edma_check_errors(wil, msg, stats, skb); - if (rc) { - rxdata->skipping = true; - goto skipping; - } - if (unlikely(dmalen > sz)) { wil_err(wil, "Rx size too large: %d bytes!\n", dmalen); stats->rx_large_frame++; @@ -1593,6 +1586,7 @@ void wil_init_txrx_ops_edma(struct wil6210_priv *wil) wil->txrx_ops.get_reorder_params = wil_get_reorder_params_edma; wil->txrx_ops.get_netif_rx_params = wil_get_netif_rx_params_edma; wil->txrx_ops.rx_crypto_check = wil_rx_crypto_check_edma; + wil->txrx_ops.rx_error_check = wil_rx_error_check_edma; wil->txrx_ops.is_rx_idle = wil_is_rx_idle_edma; wil->txrx_ops.rx_fini = wil_rx_fini_edma; } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 9b1467c49ccc..002d336cbde5 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -543,6 +543,27 @@ struct wil_status_ring { struct wil_ring_rx_data rx_data; }; +#define WIL_STA_TID_NUM (16) +#define WIL_MCS_MAX (12) /* Maximum MCS supported */ + +struct wil_net_stats { + unsigned long rx_packets; + unsigned long tx_packets; + unsigned long rx_bytes; + unsigned long tx_bytes; + unsigned long tx_errors; + unsigned long rx_dropped; + unsigned long rx_non_data_frame; + unsigned long rx_short_frame; + unsigned long rx_large_frame; + unsigned long rx_replay; + unsigned long rx_mic_error; + unsigned long rx_key_error; /* eDMA specific */ + unsigned long rx_amsdu_error; /* eDMA specific */ + u16 last_mcs_rx; + u64 rx_per_mcs[WIL_MCS_MAX + 1]; +}; + /** * struct tx_rx_ops - different TX/RX ops for legacy and enhanced * DMA flow @@ -576,6 +597,8 @@ struct wil_txrx_ops { void (*get_netif_rx_params)(struct sk_buff *skb, int *cid, int *security); int (*rx_crypto_check)(struct wil6210_priv *wil, struct sk_buff *skb); + int (*rx_error_check)(struct wil6210_priv *wil, struct sk_buff *skb, + struct wil_net_stats *stats); bool (*is_rx_idle)(struct wil6210_priv *wil); irqreturn_t (*irq_rx)(int irq, void *cookie); }; @@ -676,27 +699,6 @@ enum wil_sta_status { wil_sta_connected = 2, }; -#define WIL_STA_TID_NUM (16) -#define WIL_MCS_MAX (12) /* Maximum MCS supported */ - -struct wil_net_stats { - unsigned long rx_packets; - unsigned long tx_packets; - unsigned long rx_bytes; - unsigned long tx_bytes; - unsigned long tx_errors; - unsigned long rx_dropped; - unsigned long rx_non_data_frame; - unsigned long rx_short_frame; - unsigned long rx_large_frame; - unsigned long rx_replay; - unsigned long rx_mic_error; /* eDMA specific */ - unsigned long rx_key_error; /* eDMA specific */ - unsigned long rx_amsdu_error; /* eDMA specific */ - u16 last_mcs_rx; - u64 rx_per_mcs[WIL_MCS_MAX + 1]; -}; - /** * struct wil_sta_info - data for peer * -- cgit v1.2.3-55-g7522 From a24a3d6abb978d4abc25d541e787981e7ef555c8 Mon Sep 17 00:00:00 2001 From: Dedy Lansky Date: Tue, 24 Jul 2018 10:44:24 +0300 Subject: wil6210: add TX latency statistics Collect statistics of TX latency. The latency is measured from the time the HW gets aware of new SKB to transmit until the HW indicates tx complete for this SKB. The statistics are shown via new "tx_latency" debugfs. Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/debugfs.c | 125 +++++++++++++++++++++++++++ drivers/net/wireless/ath/wil6210/main.c | 1 + drivers/net/wireless/ath/wil6210/txrx.c | 38 ++++++++ drivers/net/wireless/ath/wil6210/txrx.h | 2 + drivers/net/wireless/ath/wil6210/txrx_edma.c | 8 ++ drivers/net/wireless/ath/wil6210/wil6210.h | 14 +++ 6 files changed, 188 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 99b1fc5b796f..5d1e48d80f0d 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1800,6 +1800,126 @@ static const struct file_operations fops_mids = { .llseek = seq_lseek, }; +static int wil_tx_latency_debugfs_show(struct seq_file *s, void *data) +__acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock) +{ + struct wil6210_priv *wil = s->private; + int i, bin; + + for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { + struct wil_sta_info *p = &wil->sta[i]; + char *status = "unknown"; + u8 aid = 0; + u8 mid; + + if (!p->tx_latency_bins) + continue; + + switch (p->status) { + case wil_sta_unused: + status = "unused "; + break; + case wil_sta_conn_pending: + status = "pending "; + break; + case wil_sta_connected: + status = "connected"; + aid = p->aid; + break; + } + mid = (p->status != wil_sta_unused) ? p->mid : U8_MAX; + seq_printf(s, "[%d] %pM %s MID %d AID %d\n", i, p->addr, status, + mid, aid); + + if (p->status == wil_sta_connected) { + u64 num_packets = 0; + u64 tx_latency_avg = p->stats.tx_latency_total_us; + + seq_puts(s, "Tx/Latency bin:"); + for (bin = 0; bin < WIL_NUM_LATENCY_BINS; bin++) { + seq_printf(s, " %lld", + p->tx_latency_bins[bin]); + num_packets += p->tx_latency_bins[bin]; + } + seq_puts(s, "\n"); + if (!num_packets) + continue; + do_div(tx_latency_avg, num_packets); + seq_printf(s, "Tx/Latency min/avg/max (us): %d/%lld/%d", + p->stats.tx_latency_min_us, + tx_latency_avg, + p->stats.tx_latency_max_us); + + seq_puts(s, "\n"); + } + } + + return 0; +} + +static int wil_tx_latency_seq_open(struct inode *inode, struct file *file) +{ + return single_open(file, wil_tx_latency_debugfs_show, + inode->i_private); +} + +static ssize_t wil_tx_latency_write(struct file *file, const char __user *buf, + size_t len, loff_t *ppos) +{ + struct seq_file *s = file->private_data; + struct wil6210_priv *wil = s->private; + int val, rc, i; + bool enable; + + rc = kstrtoint_from_user(buf, len, 0, &val); + if (rc) { + wil_err(wil, "Invalid argument\n"); + return rc; + } + if (val == 1) + /* default resolution */ + val = 500; + if (val && (val < 50 || val > 1000)) { + wil_err(wil, "Invalid resolution %d\n", val); + return -EINVAL; + } + + enable = !!val; + if (wil->tx_latency == enable) + return len; + + wil_info(wil, "%s TX latency measurements (resolution %dusec)\n", + enable ? "Enabling" : "Disabling", val); + + if (enable) { + size_t sz = sizeof(u64) * WIL_NUM_LATENCY_BINS; + + wil->tx_latency_res = val; + for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { + struct wil_sta_info *sta = &wil->sta[i]; + + kfree(sta->tx_latency_bins); + sta->tx_latency_bins = kzalloc(sz, GFP_KERNEL); + if (!sta->tx_latency_bins) + return -ENOMEM; + sta->stats.tx_latency_min_us = U32_MAX; + sta->stats.tx_latency_max_us = 0; + sta->stats.tx_latency_total_us = 0; + } + } + wil->tx_latency = enable; + + return len; +} + +static const struct file_operations fops_tx_latency = { + .open = wil_tx_latency_seq_open, + .release = single_release, + .read = seq_read, + .write = wil_tx_latency_write, + .llseek = seq_lseek, +}; + static ssize_t wil_read_file_led_cfg(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -2133,6 +2253,7 @@ static const struct { {"srings", 0444, &fops_srings}, {"status_msg", 0444, &fops_status_msg}, {"rx_buff_mgmt", 0444, &fops_rx_buff_mgmt}, + {"tx_latency", 0644, &fops_tx_latency}, }; static void wil6210_debugfs_init_files(struct wil6210_priv *wil, @@ -2249,10 +2370,14 @@ int wil6210_debugfs_init(struct wil6210_priv *wil) void wil6210_debugfs_remove(struct wil6210_priv *wil) { + int i; + debugfs_remove_recursive(wil->debug); wil->debug = NULL; kfree(wil->dbg_data.data_arr); + for (i = 0; i < ARRAY_SIZE(wil->sta); i++) + kfree(wil->sta[i].tx_latency_bins); /* free pmc memory without sending command to fw, as it will * be reset on the way down anyway diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 4de19bd40a58..7e4ccd9ac2bc 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -278,6 +278,7 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) } /* statistics */ memset(&sta->stats, 0, sizeof(sta->stats)); + sta->stats.tx_latency_min_us = U32_MAX; } static bool wil_vif_is_connected(struct wil6210_priv *wil, u8 mid) diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 9ac867445a5b..6707af60a24d 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -1693,6 +1693,11 @@ static int __wil_tx_vring_tso(struct wil6210_priv *wil, struct wil6210_vif *vif, */ wmb(); + if (wil->tx_latency) + *(ktime_t *)&skb->cb = ktime_get(); + else + memset(skb->cb, 0, sizeof(ktime_t)); + wil_w(wil, vring->hwtail, vring->swhead); return 0; @@ -1844,6 +1849,11 @@ static int __wil_tx_ring(struct wil6210_priv *wil, struct wil6210_vif *vif, */ wmb(); + if (wil->tx_latency) + *(ktime_t *)&skb->cb = ktime_get(); + else + memset(skb->cb, 0, sizeof(ktime_t)); + wil_w(wil, ring->hwtail, ring->swhead); return 0; @@ -2065,6 +2075,31 @@ netdev_tx_t wil_start_xmit(struct sk_buff *skb, struct net_device *ndev) return NET_XMIT_DROP; } +void wil_tx_latency_calc(struct wil6210_priv *wil, struct sk_buff *skb, + struct wil_sta_info *sta) +{ + int skb_time_us; + int bin; + + if (!wil->tx_latency) + return; + + if (ktime_to_ms(*(ktime_t *)&skb->cb) == 0) + return; + + skb_time_us = ktime_us_delta(ktime_get(), *(ktime_t *)&skb->cb); + bin = skb_time_us / wil->tx_latency_res; + bin = min_t(int, bin, WIL_NUM_LATENCY_BINS - 1); + + wil_dbg_txrx(wil, "skb time %dus => bin %d\n", skb_time_us, bin); + sta->tx_latency_bins[bin]++; + sta->stats.tx_latency_total_us += skb_time_us; + if (skb_time_us < sta->stats.tx_latency_min_us) + sta->stats.tx_latency_min_us = skb_time_us; + if (skb_time_us > sta->stats.tx_latency_max_us) + sta->stats.tx_latency_max_us = skb_time_us; +} + /** * Clean up transmitted skb's from the Tx VRING * @@ -2151,6 +2186,9 @@ int wil_tx_complete(struct wil6210_vif *vif, int ringid) if (stats) { stats->tx_packets++; stats->tx_bytes += skb->len; + + wil_tx_latency_calc(wil, skb, + &wil->sta[cid]); } } else { ndev->stats.tx_errors++; diff --git a/drivers/net/wireless/ath/wil6210/txrx.h b/drivers/net/wireless/ath/wil6210/txrx.h index 3dfd7f916137..9d83be481839 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.h +++ b/drivers/net/wireless/ath/wil6210/txrx.h @@ -620,5 +620,7 @@ void wil_tid_ampdu_rx_free(struct wil6210_priv *wil, struct wil_tid_ampdu_rx *r); void wil_tx_data_init(struct wil_ring_tx_data *txdata); void wil_init_txrx_ops_legacy_dma(struct wil6210_priv *wil); +void wil_tx_latency_calc(struct wil6210_priv *wil, struct sk_buff *skb, + struct wil_sta_info *sta); #endif /* WIL6210_TXRX_H */ diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c index b5d399f1c1c7..2ea9767b01d1 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.c +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -1217,6 +1217,9 @@ int wil_tx_sring_handler(struct wil6210_priv *wil, if (stats) { stats->tx_packets++; stats->tx_bytes += skb->len; + + wil_tx_latency_calc(wil, skb, + &wil->sta[cid]); } } else { ndev->stats.tx_errors++; @@ -1467,6 +1470,11 @@ static int __wil_tx_ring_tso_edma(struct wil6210_priv *wil, */ wmb(); + if (wil->tx_latency) + *(ktime_t *)&skb->cb = ktime_get(); + else + memset(skb->cb, 0, sizeof(ktime_t)); + wil_w(wil, ring->hwtail, ring->swhead); return 0; diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 002d336cbde5..1a7a1ad1534f 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -55,6 +55,8 @@ union wil_tx_desc; #define WIL_DEFAULT_BUS_REQUEST_KBPS 128000 /* ~1Gbps */ #define WIL_MAX_BUS_REQUEST_KBPS 800000 /* ~6.1Gbps */ +#define WIL_NUM_LATENCY_BINS 200 + /* maximum number of virtual interfaces the driver supports * (including the main interface) */ @@ -552,6 +554,9 @@ struct wil_net_stats { unsigned long rx_bytes; unsigned long tx_bytes; unsigned long tx_errors; + u32 tx_latency_min_us; + u32 tx_latency_max_us; + u64 tx_latency_total_us; unsigned long rx_dropped; unsigned long rx_non_data_frame; unsigned long rx_short_frame; @@ -712,6 +717,13 @@ struct wil_sta_info { u8 mid; enum wil_sta_status status; struct wil_net_stats stats; + /** + * 20 latency bins. 1st bin counts packets with latency + * of 0..tx_latency_res, last bin counts packets with latency + * of 19*tx_latency_res and above. + * tx_latency_res is configured from "tx_latency" debug-fs. + */ + u64 *tx_latency_bins; /* Rx BACK */ struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM]; spinlock_t tid_rx_lock; /* guarding tid_rx array */ @@ -943,6 +955,8 @@ struct wil6210_priv { u8 wakeup_trigger; struct wil_suspend_stats suspend_stats; struct wil_debugfs_data dbg_data; + bool tx_latency; /* collect TX latency measurements */ + size_t tx_latency_res; /* bin resolution in usec */ void *platform_handle; struct wil_platform_ops platform_ops; -- cgit v1.2.3-55-g7522 From 6d9eb7ebae3d7e951bc0999235ae7028eb4cae4f Mon Sep 17 00:00:00 2001 From: Dedy Lansky Date: Tue, 24 Jul 2018 10:44:25 +0300 Subject: wil6210: fix temperature debugfs For negative temperatures, "temp" debugfs is showing wrong values. Use signed types so proper calculations is done for sub zero temperatures. Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/debugfs.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 5d1e48d80f0d..4356b3268c69 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1388,7 +1388,7 @@ static const struct file_operations fops_bf = { }; /*---------temp------------*/ -static void print_temp(struct seq_file *s, const char *prefix, u32 t) +static void print_temp(struct seq_file *s, const char *prefix, s32 t) { switch (t) { case 0: @@ -1396,7 +1396,8 @@ static void print_temp(struct seq_file *s, const char *prefix, u32 t) seq_printf(s, "%s N/A\n", prefix); break; default: - seq_printf(s, "%s %d.%03d\n", prefix, t / 1000, t % 1000); + seq_printf(s, "%s %s%d.%03d\n", prefix, (t < 0 ? "-" : ""), + abs(t / 1000), abs(t % 1000)); break; } } @@ -1404,7 +1405,7 @@ static void print_temp(struct seq_file *s, const char *prefix, u32 t) static int wil_temp_debugfs_show(struct seq_file *s, void *data) { struct wil6210_priv *wil = s->private; - u32 t_m, t_r; + s32 t_m, t_r; int rc = wmi_get_temperature(wil, &t_m, &t_r); if (rc) { -- cgit v1.2.3-55-g7522 From 0b8532102293b1abb70385232e88ea75d098c808 Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Tue, 24 Jul 2018 10:44:26 +0300 Subject: wil6210: fix RX checksum report to network stack Currently the driver sets CHECKSUM_UNNECESSARY only in case the HW doesn't report checksum error. As ip_summed value is not initialized it is not clear what the driver will report to the network stack in case of HW checksum error or in case HW doesn't calculate checksum. Initialize ip_summed to CHECKSUM_NONE to guarantee checksum calculation by the network stack in the above cases. Signed-off-by: Gidon Studinski Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/debugfs.c | 5 +++-- drivers/net/wireless/ath/wil6210/txrx.c | 8 ++++++++ drivers/net/wireless/ath/wil6210/txrx_edma.c | 8 ++++++++ drivers/net/wireless/ath/wil6210/wil6210.h | 1 + 4 files changed, 20 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index 4356b3268c69..f2eab39376ee 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1736,10 +1736,11 @@ __acquires(&p->tid_rx_lock) __releases(&p->tid_rx_lock) p->stats.rx_large_frame, p->stats.rx_replay); seq_printf(s, - "mic error %lu, key error %lu, amsdu error %lu\n", + "mic error %lu, key error %lu, amsdu error %lu, csum error %lu\n", p->stats.rx_mic_error, p->stats.rx_key_error, - p->stats.rx_amsdu_error); + p->stats.rx_amsdu_error, + p->stats.rx_csum_err); seq_puts(s, "Rx/MCS:"); for (mcs = 0; mcs < ARRAY_SIZE(p->stats.rx_per_mcs); diff --git a/drivers/net/wireless/ath/wil6210/txrx.c b/drivers/net/wireless/ath/wil6210/txrx.c index 6707af60a24d..6a7943e487fb 100644 --- a/drivers/net/wireless/ath/wil6210/txrx.c +++ b/drivers/net/wireless/ath/wil6210/txrx.c @@ -281,6 +281,12 @@ static int wil_vring_alloc_skb(struct wil6210_priv *wil, struct wil_ring *vring, skb_reserve(skb, headroom); skb_put(skb, sz); + /** + * Make sure that the network stack calculates checksum for packets + * which failed the HW checksum calculation + */ + skb->ip_summed = CHECKSUM_NONE; + pa = dma_map_single(dev, skb->data, skb->len, DMA_FROM_DEVICE); if (unlikely(dma_mapping_error(dev, pa))) { kfree_skb(skb); @@ -569,6 +575,8 @@ again: * mis-calculates TCP checksum - if it should be 0x0, * it writes 0xffff in violation of RFC 1624 */ + else + stats->rx_csum_err++; } if (snaplen) { diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c index 2ea9767b01d1..9ef2b66f7561 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.c +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -182,6 +182,12 @@ static int wil_ring_alloc_skb_edma(struct wil6210_priv *wil, skb_put(skb, sz); + /** + * Make sure that the network stack calculates checksum for packets + * which failed the HW checksum calculation + */ + skb->ip_summed = CHECKSUM_NONE; + pa = dma_map_single(dev, skb->data, skb->len, DMA_FROM_DEVICE); if (unlikely(dma_mapping_error(dev, pa))) { kfree_skb(skb); @@ -847,6 +853,8 @@ static int wil_rx_error_check_edma(struct wil6210_priv *wil, * mis-calculates TCP checksum - if it should be 0x0, * it writes 0xffff in violation of RFC 1624 */ + else + stats->rx_csum_err++; return 0; } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 1a7a1ad1534f..b06cba528a1b 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -565,6 +565,7 @@ struct wil_net_stats { unsigned long rx_mic_error; unsigned long rx_key_error; /* eDMA specific */ unsigned long rx_amsdu_error; /* eDMA specific */ + unsigned long rx_csum_err; u16 last_mcs_rx; u64 rx_per_mcs[WIL_MCS_MAX + 1]; }; -- cgit v1.2.3-55-g7522 From 1c0dd5f5f3ad2af511b8e46392028e0f38f06aa1 Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Tue, 24 Jul 2018 10:44:27 +0300 Subject: wil6210: support Talyn specific FW file FW file name for Talyn device is different from the default name. This patch searches for Talyn specific FW file name and fallback to the default FW file in case it is not present. Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/pcie_bus.c | 8 ++++++++ drivers/net/wireless/ath/wil6210/wil6210.h | 3 +++ 2 files changed, 11 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 8b148cb91372..7192d9a91278 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -93,6 +93,10 @@ int wil_set_capabilities(struct wil6210_priv *wil) if (wil_r(wil, RGF_USER_OTP_HW_RD_MACHINE_1) & BIT_NO_FLASH_INDICATION) set_bit(hw_capa_no_flash, wil->hw_capa); + wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN : + WIL_FW_NAME_TALYN; + if (wil_fw_verify_file_exists(wil, wil_fw_name)) + wil->wil_fw_name = wil_fw_name; break; case JTAG_DEV_ID_TALYN_MB: wil->hw_name = "Talyn-MB"; @@ -104,6 +108,10 @@ int wil_set_capabilities(struct wil6210_priv *wil) set_bit(hw_capa_no_flash, wil->hw_capa); wil->use_enhanced_dma_hw = true; wil->use_rx_hw_reordering = true; + wil_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN : + WIL_FW_NAME_TALYN; + if (wil_fw_verify_file_exists(wil, wil_fw_name)) + wil->wil_fw_name = wil_fw_name; break; default: wil_err(wil, "Unknown board hardware, chip_id 0x%08x, chip_revision 0x%08x\n", diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index b06cba528a1b..00719a018a4a 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -50,6 +50,9 @@ union wil_tx_desc; #define WIL_FW_NAME_SPARROW_PLUS "wil6210_sparrow_plus.fw" #define WIL_FW_NAME_FTM_SPARROW_PLUS "wil6210_sparrow_plus_ftm.fw" +#define WIL_FW_NAME_TALYN "wil6436.fw" +#define WIL_FW_NAME_FTM_TALYN "wil6436_ftm.fw" + #define WIL_BOARD_FILE_NAME "wil6210.brd" /* board & radio parameters */ #define WIL_DEFAULT_BUS_REQUEST_KBPS 128000 /* ~1Gbps */ -- cgit v1.2.3-55-g7522 From b5aeff16b20f65e6bb9ebafd06c1c96c2b503089 Mon Sep 17 00:00:00 2001 From: Dedy Lansky Date: Tue, 24 Jul 2018 10:44:28 +0300 Subject: wil6210: align to latest auto generated wmi.h Align to latest version of the auto generated wmi file describing the interface with FW. Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/wmi.h | 459 +++++++++++++++++++++++++++++++-- 1 file changed, 434 insertions(+), 25 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index abf6f05c4801..13f6f6210117 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -53,6 +53,17 @@ * must always be kept equal to (WMI_RF_RX2TX_LENGTH+1) */ #define WMI_RF_RX2TX_CONF_LENGTH (4) +/* Qos configuration */ +#define WMI_QOS_NUM_OF_PRIORITY (4) +#define WMI_QOS_MIN_DEFAULT_WEIGHT (10) +#define WMI_QOS_VRING_SLOT_MIN_MS (2) +#define WMI_QOS_VRING_SLOT_MAX_MS (10) +/* (WMI_QOS_MIN_DEFAULT_WEIGHT * WMI_QOS_VRING_SLOT_MAX_MS / + * WMI_QOS_VRING_SLOT_MIN_MS) + */ +#define WMI_QOS_MAX_WEIGHT 50 +#define WMI_QOS_SET_VIF_PRIORITY (0xFF) +#define WMI_QOS_DEFAULT_PRIORITY (WMI_QOS_NUM_OF_PRIORITY) /* Mailbox interface * used for commands and events @@ -86,6 +97,8 @@ enum wmi_fw_capability { WMI_FW_CAPABILITY_PNO = 15, WMI_FW_CAPABILITY_REF_CLOCK_CONTROL = 18, WMI_FW_CAPABILITY_AP_SME_OFFLOAD_NONE = 19, + WMI_FW_CAPABILITY_MULTI_VIFS = 20, + WMI_FW_CAPABILITY_FT_ROAMING = 21, WMI_FW_CAPABILITY_AMSDU = 23, WMI_FW_CAPABILITY_MAX, }; @@ -110,6 +123,9 @@ enum wmi_command_id { WMI_SET_PROBED_SSID_CMDID = 0x0A, /* deprecated */ WMI_SET_LISTEN_INT_CMDID = 0x0B, + WMI_FT_AUTH_CMDID = 0x0C, + WMI_FT_REASSOC_CMDID = 0x0D, + WMI_UPDATE_FT_IES_CMDID = 0x0E, WMI_BCON_CTRL_CMDID = 0x0F, WMI_ADD_CIPHER_KEY_CMDID = 0x16, WMI_DELETE_CIPHER_KEY_CMDID = 0x17, @@ -207,7 +223,12 @@ enum wmi_command_id { WMI_GET_PCP_FACTOR_CMDID = 0x91B, /* Power Save Configuration Commands */ WMI_PS_DEV_PROFILE_CFG_CMDID = 0x91C, + WMI_RS_ENABLE_CMDID = 0x91E, + WMI_RS_CFG_EX_CMDID = 0x91F, + WMI_GET_DETAILED_RS_RES_EX_CMDID = 0x920, + /* deprecated */ WMI_RS_CFG_CMDID = 0x921, + /* deprecated */ WMI_GET_DETAILED_RS_RES_CMDID = 0x922, WMI_AOA_MEAS_CMDID = 0x923, WMI_BRP_SET_ANT_LIMIT_CMDID = 0x924, @@ -236,7 +257,9 @@ enum wmi_command_id { WMI_PRIO_TX_SECTORS_ORDER_CMDID = 0x9A5, WMI_PRIO_TX_SECTORS_NUMBER_CMDID = 0x9A6, WMI_PRIO_TX_SECTORS_SET_DEFAULT_CFG_CMDID = 0x9A7, + /* deprecated */ WMI_BF_CONTROL_CMDID = 0x9AA, + WMI_BF_CONTROL_EX_CMDID = 0x9AB, WMI_TX_STATUS_RING_ADD_CMDID = 0x9C0, WMI_RX_STATUS_RING_ADD_CMDID = 0x9C1, WMI_TX_DESC_RING_ADD_CMDID = 0x9C2, @@ -252,6 +275,11 @@ enum wmi_command_id { WMI_GET_CCA_INDICATIONS_CMDID = 0xA07, WMI_SET_CCA_INDICATIONS_BI_AVG_NUM_CMDID = 0xA08, WMI_INTERNAL_FW_IOCTL_CMDID = 0xA0B, + WMI_LINK_STATS_CMDID = 0xA0C, + WMI_SET_GRANT_MCS_CMDID = 0xA0E, + WMI_SET_AP_SLOT_SIZE_CMDID = 0xA0F, + WMI_SET_VRING_PRIORITY_WEIGHT_CMDID = 0xA10, + WMI_SET_VRING_PRIORITY_CMDID = 0xA11, WMI_SET_MAC_ADDRESS_CMDID = 0xF003, WMI_ABORT_SCAN_CMDID = 0xF007, WMI_SET_PROMISCUOUS_MODE_CMDID = 0xF041, @@ -450,6 +478,30 @@ struct wmi_start_sched_scan_cmd { struct wmi_sched_scan_plan scan_plans[WMI_MAX_PLANS_NUM]; } __packed; +/* WMI_FT_AUTH_CMDID */ +struct wmi_ft_auth_cmd { + u8 bssid[WMI_MAC_LEN]; + /* enum wmi_channel */ + u8 channel; + /* enum wmi_channel */ + u8 edmg_channel; + u8 reserved[4]; +} __packed; + +/* WMI_FT_REASSOC_CMDID */ +struct wmi_ft_reassoc_cmd { + u8 bssid[WMI_MAC_LEN]; + u8 reserved[2]; +} __packed; + +/* WMI_UPDATE_FT_IES_CMDID */ +struct wmi_update_ft_ies_cmd { + /* Length of the FT IEs */ + __le16 ie_len; + u8 reserved[2]; + u8 ie_info[0]; +} __packed; + /* WMI_SET_PROBED_SSID_CMDID */ #define MAX_PROBED_SSID_INDEX (3) @@ -744,7 +796,11 @@ struct wmi_vring_cfg { u8 cid; /* Used when cidxtid = CIDXTID_EXTENDED_CID_TID */ u8 tid; - u8 reserved[2]; + /* Update the vring's priority for Qos purpose. Set to + * WMI_QOS_DEFAULT_PRIORITY to use MID's QoS priority + */ + u8 qos_priority; + u8 reserved; } __packed; enum wmi_vring_cfg_cmd_action { @@ -775,20 +831,6 @@ struct wmi_bcast_vring_cfg_cmd { struct wmi_bcast_vring_cfg vring_cfg; } __packed; -/* WMI_LO_POWER_CALIB_FROM_OTP_CMDID */ -struct wmi_lo_power_calib_from_otp_cmd { - /* index to read from OTP. zero based */ - u8 index; - u8 reserved[3]; -} __packed; - -/* WMI_LO_POWER_CALIB_FROM_OTP_EVENTID */ -struct wmi_lo_power_calib_from_otp_event { - /* wmi_fw_status */ - u8 status; - u8 reserved[3]; -} __packed; - struct wmi_edma_ring_cfg { __le64 ring_mem_base; /* size in number of items */ @@ -861,6 +903,20 @@ struct wmi_bcast_desc_ring_add_cmd { u8 reserved[4]; } __packed; +/* WMI_LO_POWER_CALIB_FROM_OTP_CMDID */ +struct wmi_lo_power_calib_from_otp_cmd { + /* index to read from OTP. zero based */ + u8 index; + u8 reserved[3]; +} __packed; + +/* WMI_LO_POWER_CALIB_FROM_OTP_EVENTID */ +struct wmi_lo_power_calib_from_otp_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + /* WMI_RING_BA_EN_CMDID */ struct wmi_ring_ba_en_cmd { u8 ring_id; @@ -1419,6 +1475,10 @@ struct wmi_fixed_scheduling_config_complete_event { u8 reserved[3]; } __packed; +/* This value exists for backwards compatibility only. + * Do not use it in new commands. + * Use dynamic arrays where possible. + */ #define WMI_NUM_MCS (13) /* WMI_FIXED_SCHEDULING_CONFIG_CMDID */ @@ -1478,12 +1538,12 @@ struct wmi_set_long_range_config_complete_event { u8 reserved[3]; } __packed; -/* payload max size is 236 bytes: max event buffer size (256) - WMI headers +/* payload max size is 1024 bytes: max event buffer size (1044) - WMI headers * (16) - prev struct field size (4) */ -#define WMI_MAX_IOCTL_PAYLOAD_SIZE (236) -#define WMI_MAX_IOCTL_REPLY_PAYLOAD_SIZE (236) -#define WMI_MAX_INTERNAL_EVENT_PAYLOAD_SIZE (236) +#define WMI_MAX_IOCTL_PAYLOAD_SIZE (1024) +#define WMI_MAX_IOCTL_REPLY_PAYLOAD_SIZE (1024) +#define WMI_MAX_INTERNAL_EVENT_PAYLOAD_SIZE (1024) enum wmi_internal_fw_ioctl_code { WMI_INTERNAL_FW_CODE_NONE = 0x0, @@ -1523,7 +1583,37 @@ struct wmi_internal_fw_event_event { __le32 payload[0]; } __packed; -/* WMI_BF_CONTROL_CMDID */ +/* WMI_SET_VRING_PRIORITY_WEIGHT_CMDID */ +struct wmi_set_vring_priority_weight_cmd { + /* Array of weights. Valid values are + * WMI_QOS_MIN_DEFAULT_WEIGHT...WMI_QOS_MAX_WEIGHT. Weight #0 is + * hard-coded WMI_QOS_MIN_WEIGHT. This array provide the weights + * #1..#3 + */ + u8 weight[3]; + u8 reserved; +} __packed; + +/* WMI_SET_VRING_PRIORITY_CMDID */ +struct wmi_vring_priority { + u8 vring_idx; + /* Weight index. Valid value is 0-3 */ + u8 priority; + u8 reserved[2]; +} __packed; + +/* WMI_SET_VRING_PRIORITY_CMDID */ +struct wmi_set_vring_priority_cmd { + /* number of entries in vring_priority. Set to + * WMI_QOS_SET_VIF_PRIORITY to update the VIF's priority, and there + * will be only one entry in vring_priority + */ + u8 num_of_vrings; + u8 reserved[3]; + struct wmi_vring_priority vring_priority[0]; +} __packed; + +/* WMI_BF_CONTROL_CMDID - deprecated */ struct wmi_bf_control_cmd { /* wmi_bf_triggers */ __le32 triggers; @@ -1565,6 +1655,97 @@ struct wmi_bf_control_cmd { u8 reserved2[2]; } __packed; +/* BF configuration for each MCS */ +struct wmi_bf_control_ex_mcs { + /* Long term throughput threshold [Mbps] */ + u8 long_term_mbps_th_tbl; + u8 reserved; + /* Long term timeout threshold table [msec] */ + __le16 long_term_trig_timeout_per_mcs; +} __packed; + +/* WMI_BF_CONTROL_EX_CMDID */ +struct wmi_bf_control_ex_cmd { + /* wmi_bf_triggers */ + __le32 triggers; + /* enum wmi_edmg_tx_mode */ + u8 tx_mode; + /* DISABLED = 0, ENABLED = 1 , DRY_RUN = 2 */ + u8 txss_mode; + /* DISABLED = 0, ENABLED = 1, DRY_RUN = 2 */ + u8 brp_mode; + /* Max cts threshold (correspond to + * WMI_BF_TRIGGER_MAX_CTS_FAILURE_IN_TXOP) + */ + u8 bf_trigger_max_cts_failure_thr; + /* Max cts threshold in dense (correspond to + * WMI_BF_TRIGGER_MAX_CTS_FAILURE_IN_TXOP) + */ + u8 bf_trigger_max_cts_failure_dense_thr; + /* Max b-ack threshold (correspond to + * WMI_BF_TRIGGER_MAX_BACK_FAILURE) + */ + u8 bf_trigger_max_back_failure_thr; + /* Max b-ack threshold in dense (correspond to + * WMI_BF_TRIGGER_MAX_BACK_FAILURE) + */ + u8 bf_trigger_max_back_failure_dense_thr; + u8 reserved0; + /* Wrong sectors threshold */ + __le32 wrong_sector_bis_thr; + /* BOOL to enable/disable long term trigger */ + u8 long_term_enable; + /* 1 = Update long term thresholds from the long_term_mbps_th_tbl and + * long_term_trig_timeout_per_mcs arrays, 0 = Ignore + */ + u8 long_term_update_thr; + u8 each_mcs_cfg_size; + u8 reserved1; + /* Configuration for each MCS */ + struct wmi_bf_control_ex_mcs each_mcs_cfg[0]; +} __packed; + +/* WMI_LINK_STATS_CMD */ +enum wmi_link_stats_action { + WMI_LINK_STATS_SNAPSHOT = 0x00, + WMI_LINK_STATS_PERIODIC = 0x01, + WMI_LINK_STATS_STOP_PERIODIC = 0x02, +}; + +/* WMI_LINK_STATS_EVENT record identifiers */ +enum wmi_link_stats_record_type { + WMI_LINK_STATS_TYPE_BASIC = 0x01, + WMI_LINK_STATS_TYPE_MAC = 0x02, + WMI_LINK_STATS_TYPE_PHY = 0x04, + WMI_LINK_STATS_TYPE_OTA = 0x08, +}; + +/* WMI_LINK_STATS_CMDID */ +struct wmi_link_stats_cmd { + /* bitmask of required record types + * (wmi_link_stats_record_type_e) + */ + __le32 record_type_mask; + /* 0xff for all cids */ + u8 cid; + /* wmi_link_stats_action_e */ + u8 action; + u8 reserved[6]; + /* for WMI_LINK_STATS_PERIODIC */ + __le32 interval_msec; +} __packed; + +/* WMI_SET_GRANT_MCS_CMDID */ +struct wmi_set_grant_mcs_cmd { + u8 mcs; + u8 reserved[3]; +} __packed; + +/* WMI_SET_AP_SLOT_SIZE_CMDID */ +struct wmi_set_ap_slot_size_cmd { + __le32 slot_size; +} __packed; + /* WMI Events * List of Events (target to host) */ @@ -1577,6 +1758,8 @@ enum wmi_event_id { WMI_SCHED_SCAN_RESULT_EVENTID = 0x1007, WMI_SCAN_COMPLETE_EVENTID = 0x100A, WMI_REPORT_STATISTICS_EVENTID = 0x100B, + WMI_FT_AUTH_STATUS_EVENTID = 0x100C, + WMI_FT_REASSOC_STATUS_EVENTID = 0x100D, WMI_RD_MEM_RSP_EVENTID = 0x1800, WMI_FW_READY_EVENTID = 0x1801, WMI_EXIT_FAST_MEM_ACC_MODE_EVENTID = 0x200, @@ -1653,7 +1836,12 @@ enum wmi_event_id { WMI_PCP_FACTOR_EVENTID = 0x191A, /* Power Save Configuration Events */ WMI_PS_DEV_PROFILE_CFG_EVENTID = 0x191C, + WMI_RS_ENABLE_EVENTID = 0x191E, + WMI_RS_CFG_EX_EVENTID = 0x191F, + WMI_GET_DETAILED_RS_RES_EX_EVENTID = 0x1920, + /* deprecated */ WMI_RS_CFG_DONE_EVENTID = 0x1921, + /* deprecated */ WMI_GET_DETAILED_RS_RES_EVENTID = 0x1922, WMI_AOA_MEAS_EVENTID = 0x1923, WMI_BRP_SET_ANT_LIMIT_EVENTID = 0x1924, @@ -1681,7 +1869,9 @@ enum wmi_event_id { WMI_PRIO_TX_SECTORS_ORDER_EVENTID = 0x19A5, WMI_PRIO_TX_SECTORS_NUMBER_EVENTID = 0x19A6, WMI_PRIO_TX_SECTORS_SET_DEFAULT_CFG_EVENTID = 0x19A7, + /* deprecated */ WMI_BF_CONTROL_EVENTID = 0x19AA, + WMI_BF_CONTROL_EX_EVENTID = 0x19AB, WMI_TX_STATUS_RING_CFG_DONE_EVENTID = 0x19C0, WMI_RX_STATUS_RING_CFG_DONE_EVENTID = 0x19C1, WMI_TX_DESC_RING_CFG_DONE_EVENTID = 0x19C2, @@ -1697,6 +1887,12 @@ enum wmi_event_id { WMI_SET_CCA_INDICATIONS_BI_AVG_NUM_EVENTID = 0x1A08, WMI_INTERNAL_FW_EVENT_EVENTID = 0x1A0A, WMI_INTERNAL_FW_IOCTL_EVENTID = 0x1A0B, + WMI_LINK_STATS_CONFIG_DONE_EVENTID = 0x1A0C, + WMI_LINK_STATS_EVENTID = 0x1A0D, + WMI_SET_GRANT_MCS_EVENTID = 0x1A0E, + WMI_SET_AP_SLOT_SIZE_EVENTID = 0x1A0F, + WMI_SET_VRING_PRIORITY_WEIGHT_EVENTID = 0x1A10, + WMI_SET_VRING_PRIORITY_EVENTID = 0x1A11, WMI_SET_CHANNEL_EVENTID = 0x9000, WMI_ASSOC_REQ_EVENTID = 0x9001, WMI_EAPOL_RX_EVENTID = 0x9002, @@ -1961,6 +2157,33 @@ struct wmi_scan_complete_event { __le32 status; } __packed; +/* WMI_FT_AUTH_STATUS_EVENTID */ +struct wmi_ft_auth_status_event { + /* enum wmi_fw_status */ + u8 status; + u8 reserved[3]; + u8 mac_addr[WMI_MAC_LEN]; + __le16 ie_len; + u8 ie_info[0]; +} __packed; + +/* WMI_FT_REASSOC_STATUS_EVENTID */ +struct wmi_ft_reassoc_status_event { + /* enum wmi_fw_status */ + u8 status; + /* association id received from new AP */ + u8 aid; + /* enum wmi_channel */ + u8 channel; + /* enum wmi_channel */ + u8 edmg_channel; + u8 mac_addr[WMI_MAC_LEN]; + __le16 beacon_ie_len; + __le16 reassoc_req_ie_len; + __le16 reassoc_resp_ie_len; + u8 ie_info[0]; +} __packed; + /* wmi_rx_mgmt_info */ struct wmi_rx_mgmt_info { u8 mcs; @@ -2455,6 +2678,81 @@ struct wmi_rs_cfg { __le32 mcs_en_vec; } __packed; +enum wmi_edmg_tx_mode { + WMI_TX_MODE_DMG = 0x0, + WMI_TX_MODE_EDMG_CB1 = 0x1, + WMI_TX_MODE_EDMG_CB2 = 0x2, + WMI_TX_MODE_EDMG_CB1_LONG_LDPC = 0x3, + WMI_TX_MODE_EDMG_CB2_LONG_LDPC = 0x4, + WMI_TX_MODE_MAX, +}; + +/* Rate search parameters common configuration */ +struct wmi_rs_cfg_ex_common { + /* enum wmi_edmg_tx_mode */ + u8 mode; + /* stop threshold [0-100] */ + u8 stop_th; + /* MCS1 stop threshold [0-100] */ + u8 mcs1_fail_th; + u8 max_back_failure_th; + /* Debug feature for disabling internal RS trigger (which is + * currently triggered by BF Done) + */ + u8 dbg_disable_internal_trigger; + u8 reserved[3]; + __le32 back_failure_mask; +} __packed; + +/* Rate search parameters configuration per MCS */ +struct wmi_rs_cfg_ex_mcs { + /* The maximal allowed PER for each MCS + * MCS will be considered as failed if PER during RS is higher + */ + u8 per_threshold; + /* Number of MPDUs for each MCS + * this is the minimal statistic required to make an educated + * decision + */ + u8 min_frame_cnt; + u8 reserved[2]; +} __packed; + +/* WMI_RS_CFG_EX_CMDID */ +struct wmi_rs_cfg_ex_cmd { + /* Configuration for all MCSs */ + struct wmi_rs_cfg_ex_common common_cfg; + u8 each_mcs_cfg_size; + u8 reserved[3]; + /* Configuration for each MCS */ + struct wmi_rs_cfg_ex_mcs each_mcs_cfg[0]; +} __packed; + +/* WMI_RS_CFG_EX_EVENTID */ +struct wmi_rs_cfg_ex_event { + /* enum wmi_edmg_tx_mode */ + u8 mode; + /* enum wmi_fw_status */ + u8 status; + u8 reserved[2]; +} __packed; + +/* WMI_RS_ENABLE_CMDID */ +struct wmi_rs_enable_cmd { + u8 cid; + /* enable or disable rate search */ + u8 rs_enable; + u8 reserved[2]; + __le32 mcs_en_vec; +} __packed; + +/* WMI_RS_ENABLE_EVENTID */ +struct wmi_rs_enable_event { + /* enum wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + /* Slot types */ enum wmi_sched_scheme_slot_type { WMI_SCHED_SLOT_SP = 0x0, @@ -2547,7 +2845,7 @@ struct wmi_scheduling_scheme_event { u8 reserved[1]; } __packed; -/* WMI_RS_CFG_CMDID */ +/* WMI_RS_CFG_CMDID - deprecated */ struct wmi_rs_cfg_cmd { /* connection id */ u8 cid; @@ -2557,7 +2855,7 @@ struct wmi_rs_cfg_cmd { struct wmi_rs_cfg rs_cfg; } __packed; -/* WMI_RS_CFG_DONE_EVENTID */ +/* WMI_RS_CFG_DONE_EVENTID - deprecated */ struct wmi_rs_cfg_done_event { u8 cid; /* enum wmi_fw_status */ @@ -2565,7 +2863,7 @@ struct wmi_rs_cfg_done_event { u8 reserved[2]; } __packed; -/* WMI_GET_DETAILED_RS_RES_CMDID */ +/* WMI_GET_DETAILED_RS_RES_CMDID - deprecated */ struct wmi_get_detailed_rs_res_cmd { /* connection id */ u8 cid; @@ -2590,7 +2888,7 @@ struct wmi_rs_results { u8 mcs; } __packed; -/* WMI_GET_DETAILED_RS_RES_EVENTID */ +/* WMI_GET_DETAILED_RS_RES_EVENTID - deprecated */ struct wmi_get_detailed_rs_res_event { u8 cid; /* enum wmi_rs_results_status */ @@ -2600,6 +2898,45 @@ struct wmi_get_detailed_rs_res_event { u8 reserved[3]; } __packed; +/* WMI_GET_DETAILED_RS_RES_EX_CMDID */ +struct wmi_get_detailed_rs_res_ex_cmd { + u8 cid; + u8 reserved[3]; +} __packed; + +/* Rate search results */ +struct wmi_rs_results_ex_common { + /* RS timestamp */ + __le32 tsf; + /* RS selected MCS */ + u8 mcs; + /* enum wmi_edmg_tx_mode */ + u8 mode; + u8 reserved[2]; +} __packed; + +/* Rate search results */ +struct wmi_rs_results_ex_mcs { + /* number of sent MPDUs */ + u8 num_of_tx_pkt; + /* number of non-acked MPDUs */ + u8 num_of_non_acked_pkt; + u8 reserved[2]; +} __packed; + +/* WMI_GET_DETAILED_RS_RES_EX_EVENTID */ +struct wmi_get_detailed_rs_res_ex_event { + u8 cid; + /* enum wmi_rs_results_status */ + u8 status; + u8 reserved0[2]; + struct wmi_rs_results_ex_common common_rs_results; + u8 each_mcs_results_size; + u8 reserved1[3]; + /* Results for each MCS */ + struct wmi_rs_results_ex_mcs each_mcs_results[0]; +} __packed; + /* BRP antenna limit mode */ enum wmi_brp_ant_limit_mode { /* Disable BRP force antenna limit */ @@ -3350,13 +3687,20 @@ struct wmi_get_assoc_list_res_event { u8 reserved[3]; } __packed; -/* WMI_BF_CONTROL_EVENTID */ +/* WMI_BF_CONTROL_EVENTID - deprecated */ struct wmi_bf_control_event { /* wmi_fw_status */ u8 status; u8 reserved[3]; } __packed; +/* WMI_BF_CONTROL_EX_EVENTID */ +struct wmi_bf_control_ex_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + /* WMI_COMMAND_NOT_SUPPORTED_EVENTID */ struct wmi_command_not_supported_event { /* device id */ @@ -3426,4 +3770,69 @@ struct wmi_internal_fw_set_channel_event { u8 reserved[3]; } __packed; +/* WMI_LINK_STATS_CONFIG_DONE_EVENTID */ +struct wmi_link_stats_config_done_event { + /* wmi_fw_status_e */ + u8 status; + u8 reserved[3]; +} __packed; + +/* WMI_LINK_STATS_EVENTID */ +struct wmi_link_stats_event { + __le16 payload_size; + u8 has_next; + u8 reserved[5]; + /* a stream of records, e.g. wmi_link_stats_basic_s */ + u8 payload[0]; +} __packed; + +/* WMI_LINK_STATS_EVENT record struct */ +struct wmi_link_stats_basic { + /* WMI_LINK_STATS_TYPE_BASIC */ + u8 record_type_id; + u8 cid; + /* 0: fail; 1: OK; 2: retrying */ + u8 bf_status; + s8 rssi; + u8 sqi; + u8 selected_rfc; + __le16 bf_mcs; + __le32 tx_tpt; + __le32 tx_goodput; + __le32 rx_goodput; + __le16 my_rx_sector; + __le16 my_tx_sector; + __le16 other_rx_sector; + __le16 other_tx_sector; + __le32 reserved[2]; +} __packed; + +/* WMI_SET_GRANT_MCS_EVENTID */ +struct wmi_set_grant_mcs_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + +/* WMI_SET_AP_SLOT_SIZE_EVENTID */ +struct wmi_set_ap_slot_size_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + +/* WMI_SET_VRING_PRIORITY_WEIGHT_EVENTID */ +struct wmi_set_vring_priority_weight_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + +/* WMI_SET_VRING_PRIORITY_EVENTID */ +struct wmi_set_vring_priority_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + #endif /* __WILOCITY_WMI_H__ */ -- cgit v1.2.3-55-g7522 From aea2f8b781b2a76fb0af4de2273d0c56c6d256a4 Mon Sep 17 00:00:00 2001 From: Alexei Avshalom Lazar Date: Tue, 24 Jul 2018 10:44:29 +0300 Subject: wil6210: add 3-MSI support Extend MSI support to 3-MSI in order to load balance the tx\rx interrupts between different cores. use_msi module parameter has changed to n_msi. Usage: - Set n_msi to 0 for using INTx - Set n_msi to 1 for using single MSI - Set n_msi to 3 for using 3-MSI In 3-MSI configuration MSI 0 is used for TX interrupts, MSI 1 is used for RX interrupts and MSI 2 is used for MISC interrupts. Signed-off-by: Alexei Avshalom Lazar Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/interrupt.c | 64 ++++++++++++++++++++++--- drivers/net/wireless/ath/wil6210/main.c | 3 ++ drivers/net/wireless/ath/wil6210/pcie_bus.c | 60 +++++++++++++++++------ drivers/net/wireless/ath/wil6210/wil6210.h | 3 +- drivers/net/wireless/ath/wil6210/wil_platform.h | 1 + 5 files changed, 110 insertions(+), 21 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/interrupt.c b/drivers/net/wireless/ath/wil6210/interrupt.c index d7e112da6a8d..5d287a8e1b45 100644 --- a/drivers/net/wireless/ath/wil6210/interrupt.c +++ b/drivers/net/wireless/ath/wil6210/interrupt.c @@ -625,6 +625,15 @@ static irqreturn_t wil6210_irq_misc_thread(int irq, void *cookie) wil6210_unmask_irq_misc(wil, false); + /* in non-triple MSI case, this is done inside wil6210_thread_irq + * because it has to be done after unmasking the pseudo. + */ + if (wil->n_msi == 3 && wil->suspend_resp_rcvd) { + wil_dbg_irq(wil, "set suspend_resp_comp to true\n"); + wil->suspend_resp_comp = true; + wake_up_interruptible(&wil->wq); + } + return IRQ_HANDLED; } @@ -782,6 +791,40 @@ static irqreturn_t wil6210_hardirq(int irq, void *cookie) return rc; } +static int wil6210_request_3msi(struct wil6210_priv *wil, int irq) +{ + int rc; + + /* IRQ's are in the following order: + * - Tx + * - Rx + * - Misc + */ + rc = request_irq(irq, wil->txrx_ops.irq_tx, IRQF_SHARED, + WIL_NAME "_tx", wil); + if (rc) + return rc; + + rc = request_irq(irq + 1, wil->txrx_ops.irq_rx, IRQF_SHARED, + WIL_NAME "_rx", wil); + if (rc) + goto free0; + + rc = request_threaded_irq(irq + 2, wil6210_irq_misc, + wil6210_irq_misc_thread, + IRQF_SHARED, WIL_NAME "_misc", wil); + if (rc) + goto free1; + + return 0; +free1: + free_irq(irq + 1, wil); +free0: + free_irq(irq, wil); + + return rc; +} + /* can't use wil_ioread32_and_clear because ICC value is not set yet */ static inline void wil_clear32(void __iomem *addr) { @@ -822,11 +865,12 @@ void wil6210_clear_halp(struct wil6210_priv *wil) wil6210_unmask_halp(wil); } -int wil6210_init_irq(struct wil6210_priv *wil, int irq, bool use_msi) +int wil6210_init_irq(struct wil6210_priv *wil, int irq) { int rc; - wil_dbg_misc(wil, "init_irq: %s\n", use_msi ? "MSI" : "INTx"); + wil_dbg_misc(wil, "init_irq: %s, n_msi=%d\n", + wil->n_msi ? "MSI" : "INTx", wil->n_msi); if (wil->use_enhanced_dma_hw) { wil->txrx_ops.irq_tx = wil6210_irq_tx_edma; @@ -835,10 +879,14 @@ int wil6210_init_irq(struct wil6210_priv *wil, int irq, bool use_msi) wil->txrx_ops.irq_tx = wil6210_irq_tx; wil->txrx_ops.irq_rx = wil6210_irq_rx; } - rc = request_threaded_irq(irq, wil6210_hardirq, - wil6210_thread_irq, - use_msi ? 0 : IRQF_SHARED, - WIL_NAME, wil); + + if (wil->n_msi == 3) + rc = wil6210_request_3msi(wil, irq); + else + rc = request_threaded_irq(irq, wil6210_hardirq, + wil6210_thread_irq, + wil->n_msi ? 0 : IRQF_SHARED, + WIL_NAME, wil); return rc; } @@ -848,4 +896,8 @@ void wil6210_fini_irq(struct wil6210_priv *wil, int irq) wil_mask_irq(wil); free_irq(irq, wil); + if (wil->n_msi == 3) { + free_irq(irq + 1, wil); + free_irq(irq + 2, wil); + } } diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 7e4ccd9ac2bc..9495c6cb8288 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -1136,6 +1136,9 @@ void wil_refresh_fw_capabilities(struct wil6210_priv *wil) wil->platform_capa)) ? BIT(WIL_PLATFORM_FEATURE_FW_EXT_CLK_CONTROL) : 0; + if (wil->n_msi == 3) + features |= BIT(WIL_PLATFORM_FEATURE_TRIPLE_MSI); + wil->platform_ops.set_features(wil->platform_handle, features); } } diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 7192d9a91278..095c16fc5e8a 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -24,9 +24,9 @@ #include #include -static bool use_msi = true; -module_param(use_msi, bool, 0444); -MODULE_PARM_DESC(use_msi, " Use MSI interrupt, default - true"); +static int n_msi = 1; +module_param(n_msi, int, 0444); +MODULE_PARM_DESC(n_msi, " Use MSI interrupt: 0 - use INTx, 1 - (default) - single, or 3"); static bool ftm_mode; module_param(ftm_mode, bool, 0444); @@ -150,12 +150,24 @@ int wil_set_capabilities(struct wil6210_priv *wil) void wil_disable_irq(struct wil6210_priv *wil) { - disable_irq(wil->pdev->irq); + int irq = wil->pdev->irq; + + disable_irq(irq); + if (wil->n_msi == 3) { + disable_irq(irq + 1); + disable_irq(irq + 2); + } } void wil_enable_irq(struct wil6210_priv *wil) { - enable_irq(wil->pdev->irq); + int irq = wil->pdev->irq; + + enable_irq(irq); + if (wil->n_msi == 3) { + enable_irq(irq + 1); + enable_irq(irq + 2); + } } static void wil_remove_all_additional_vifs(struct wil6210_priv *wil) @@ -182,28 +194,47 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil) * and only MSI should be used */ int msi_only = pdev->msi_enabled; - bool _use_msi = use_msi; wil_dbg_misc(wil, "if_pcie_enable\n"); pci_set_master(pdev); - wil_dbg_misc(wil, "Setup %s interrupt\n", use_msi ? "MSI" : "INTx"); + /* how many MSI interrupts to request? */ + switch (n_msi) { + case 3: + case 1: + wil_dbg_misc(wil, "Setup %d MSI interrupts\n", n_msi); + break; + case 0: + wil_dbg_misc(wil, "MSI interrupts disabled, use INTx\n"); + break; + default: + wil_err(wil, "Invalid n_msi=%d, default to 1\n", n_msi); + n_msi = 1; + } + + if (n_msi == 3 && + pci_alloc_irq_vectors(pdev, n_msi, n_msi, PCI_IRQ_MSI) < n_msi) { + wil_err(wil, "3 MSI mode failed, try 1 MSI\n"); + n_msi = 1; + } - if (use_msi && pci_enable_msi(pdev)) { + if (n_msi == 1 && pci_enable_msi(pdev)) { wil_err(wil, "pci_enable_msi failed, use INTx\n"); - _use_msi = false; + n_msi = 0; } - if (!_use_msi && msi_only) { + wil->n_msi = n_msi; + + if (wil->n_msi == 0 && msi_only) { wil_err(wil, "Interrupt pin not routed, unable to use INTx\n"); rc = -ENODEV; goto stop_master; } - rc = wil6210_init_irq(wil, pdev->irq, _use_msi); + rc = wil6210_init_irq(wil, pdev->irq); if (rc) - goto stop_master; + goto release_vectors; /* need reset here to obtain MAC */ mutex_lock(&wil->mutex); @@ -216,8 +247,9 @@ static int wil_if_pcie_enable(struct wil6210_priv *wil) release_irq: wil6210_fini_irq(wil, pdev->irq); - /* safe to call if no MSI */ - pci_disable_msi(pdev); + release_vectors: + /* safe to call if no allocation */ + pci_free_irq_vectors(pdev); stop_master: pci_clear_master(pdev); return rc; diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 00719a018a4a..379f7ce664c5 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -874,6 +874,7 @@ struct wil6210_priv { u32 bar_size; struct wiphy *wiphy; struct net_device *main_ndev; + int n_msi; void __iomem *csr; DECLARE_BITMAP(status, wil_status_last); u8 fw_version[ETHTOOL_FWVERS_LEN]; @@ -1206,7 +1207,7 @@ int wil_addba_rx_request(struct wil6210_priv *wil, u8 mid, int wil_addba_tx_request(struct wil6210_priv *wil, u8 ringid, u16 wsize); void wil6210_clear_irq(struct wil6210_priv *wil); -int wil6210_init_irq(struct wil6210_priv *wil, int irq, bool use_msi); +int wil6210_init_irq(struct wil6210_priv *wil, int irq); void wil6210_fini_irq(struct wil6210_priv *wil, int irq); void wil_mask_irq(struct wil6210_priv *wil); void wil_unmask_irq(struct wil6210_priv *wil); diff --git a/drivers/net/wireless/ath/wil6210/wil_platform.h b/drivers/net/wireless/ath/wil6210/wil_platform.h index 177026e5323b..bca090611477 100644 --- a/drivers/net/wireless/ath/wil6210/wil_platform.h +++ b/drivers/net/wireless/ath/wil6210/wil_platform.h @@ -29,6 +29,7 @@ enum wil_platform_event { enum wil_platform_features { WIL_PLATFORM_FEATURE_FW_EXT_CLK_CONTROL = 0, + WIL_PLATFORM_FEATURE_TRIPLE_MSI = 1, WIL_PLATFORM_FEATURE_MAX, }; -- cgit v1.2.3-55-g7522 From 65e6ffdcc4507cbdd38f374ae311263106ee46fe Mon Sep 17 00:00:00 2001 From: Alexei Avshalom Lazar Date: Tue, 24 Jul 2018 10:44:30 +0300 Subject: wil6210: fix min() compilation errors With some tool chains compilation fails due to type mismatch of the arguments passed to min(). Use min_t() to solve these compilation errors. Signed-off-by: Alexei Avshalom Lazar Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/fw_inc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/fw_inc.c b/drivers/net/wireless/ath/wil6210/fw_inc.c index 718161b829c2..388b3d4717ca 100644 --- a/drivers/net/wireless/ath/wil6210/fw_inc.c +++ b/drivers/net/wireless/ath/wil6210/fw_inc.c @@ -145,7 +145,7 @@ fw_handle_capabilities(struct wil6210_priv *wil, const void *data, capabilities); bitmap_zero(wil->fw_capabilities, WMI_FW_CAPABILITY_MAX); memcpy(wil->fw_capabilities, rec->capabilities, - min(sizeof(wil->fw_capabilities), capa_size)); + min_t(size_t, sizeof(wil->fw_capabilities), capa_size)); wil_hex_dump_fw("CAPA", DUMP_PREFIX_OFFSET, 16, 1, rec->capabilities, capa_size, false); return 0; -- cgit v1.2.3-55-g7522 From 0c936b3c96337c3fd5ad4951ca7bdc54fa578a02 Mon Sep 17 00:00:00 2001 From: Dedy Lansky Date: Tue, 24 Jul 2018 10:44:31 +0300 Subject: wil6210: add support for link statistics Driver can request FW to report link statistics using WMI_LINK_STATS_CMDID. FW will report statistics with WMI_LINK_STATS_EVENTID. Two categories of statistics defined: basic and global. New "link_stats" debugfs is used for requesting basic statistics report (write) and for reading the basic statistics (read). "link_stats_global" debugfs is used for requesting and reading the global statistics. Signed-off-by: Dedy Lansky Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/debugfs.c | 219 +++++++++++++++++++++++++++++ drivers/net/wireless/ath/wil6210/wil6210.h | 12 ++ drivers/net/wireless/ath/wil6210/wmi.c | 165 ++++++++++++++++++++++ drivers/net/wireless/ath/wil6210/wmi.h | 57 +++++--- 4 files changed, 437 insertions(+), 16 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/debugfs.c b/drivers/net/wireless/ath/wil6210/debugfs.c index f2eab39376ee..51c3330bc316 100644 --- a/drivers/net/wireless/ath/wil6210/debugfs.c +++ b/drivers/net/wireless/ath/wil6210/debugfs.c @@ -1922,6 +1922,223 @@ static const struct file_operations fops_tx_latency = { .llseek = seq_lseek, }; +static void wil_link_stats_print_basic(struct wil6210_vif *vif, + struct seq_file *s, + struct wmi_link_stats_basic *basic) +{ + char per[5] = "?"; + + if (basic->per_average != 0xff) + snprintf(per, sizeof(per), "%d%%", basic->per_average); + + seq_printf(s, "CID %d {\n" + "\tTxMCS %d TxTpt %d\n" + "\tGoodput(rx:tx) %d:%d\n" + "\tRxBcastFrames %d\n" + "\tRSSI %d SQI %d SNR %d PER %s\n" + "\tRx RFC %d Ant num %d\n" + "\tSectors(rx:tx) my %d:%d peer %d:%d\n" + "}\n", + basic->cid, + basic->bf_mcs, le32_to_cpu(basic->tx_tpt), + le32_to_cpu(basic->rx_goodput), + le32_to_cpu(basic->tx_goodput), + le32_to_cpu(basic->rx_bcast_frames), + basic->rssi, basic->sqi, basic->snr, per, + basic->selected_rfc, basic->rx_effective_ant_num, + basic->my_rx_sector, basic->my_tx_sector, + basic->other_rx_sector, basic->other_tx_sector); +} + +static void wil_link_stats_print_global(struct wil6210_priv *wil, + struct seq_file *s, + struct wmi_link_stats_global *global) +{ + seq_printf(s, "Frames(rx:tx) %d:%d\n" + "BA Frames(rx:tx) %d:%d\n" + "Beacons %d\n" + "Rx Errors (MIC:CRC) %d:%d\n" + "Tx Errors (no ack) %d\n", + le32_to_cpu(global->rx_frames), + le32_to_cpu(global->tx_frames), + le32_to_cpu(global->rx_ba_frames), + le32_to_cpu(global->tx_ba_frames), + le32_to_cpu(global->tx_beacons), + le32_to_cpu(global->rx_mic_errors), + le32_to_cpu(global->rx_crc_errors), + le32_to_cpu(global->tx_fail_no_ack)); +} + +static void wil_link_stats_debugfs_show_vif(struct wil6210_vif *vif, + struct seq_file *s) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + struct wmi_link_stats_basic *stats; + int i; + + if (!vif->fw_stats_ready) { + seq_puts(s, "no statistics\n"); + return; + } + + seq_printf(s, "TSF %lld\n", vif->fw_stats_tsf); + for (i = 0; i < ARRAY_SIZE(wil->sta); i++) { + if (wil->sta[i].status == wil_sta_unused) + continue; + if (wil->sta[i].mid != vif->mid) + continue; + + stats = &wil->sta[i].fw_stats_basic; + wil_link_stats_print_basic(vif, s, stats); + } +} + +static int wil_link_stats_debugfs_show(struct seq_file *s, void *data) +{ + struct wil6210_priv *wil = s->private; + struct wil6210_vif *vif; + int i, rc; + + rc = mutex_lock_interruptible(&wil->vif_mutex); + if (rc) + return rc; + + /* iterate over all MIDs and show per-cid statistics. Then show the + * global statistics + */ + for (i = 0; i < wil->max_vifs; i++) { + vif = wil->vifs[i]; + + seq_printf(s, "MID %d ", i); + if (!vif) { + seq_puts(s, "unused\n"); + continue; + } + + wil_link_stats_debugfs_show_vif(vif, s); + } + + mutex_unlock(&wil->vif_mutex); + + return 0; +} + +static int wil_link_stats_seq_open(struct inode *inode, struct file *file) +{ + return single_open(file, wil_link_stats_debugfs_show, inode->i_private); +} + +static ssize_t wil_link_stats_write(struct file *file, const char __user *buf, + size_t len, loff_t *ppos) +{ + struct seq_file *s = file->private_data; + struct wil6210_priv *wil = s->private; + int cid, interval, rc, i; + struct wil6210_vif *vif; + char *kbuf = kmalloc(len + 1, GFP_KERNEL); + + if (!kbuf) + return -ENOMEM; + + rc = simple_write_to_buffer(kbuf, len, ppos, buf, len); + if (rc != len) { + kfree(kbuf); + return rc >= 0 ? -EIO : rc; + } + + kbuf[len] = '\0'; + /* specify cid (use -1 for all cids) and snapshot interval in ms */ + rc = sscanf(kbuf, "%d %d", &cid, &interval); + kfree(kbuf); + if (rc < 0) + return rc; + if (rc < 2 || interval < 0) + return -EINVAL; + + wil_info(wil, "request link statistics, cid %d interval %d\n", + cid, interval); + + rc = mutex_lock_interruptible(&wil->vif_mutex); + if (rc) + return rc; + + for (i = 0; i < wil->max_vifs; i++) { + vif = wil->vifs[i]; + if (!vif) + continue; + + rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_BASIC, + (cid == -1 ? 0xff : cid), interval); + if (rc) + wil_err(wil, "link statistics failed for mid %d\n", i); + } + mutex_unlock(&wil->vif_mutex); + + return len; +} + +static const struct file_operations fops_link_stats = { + .open = wil_link_stats_seq_open, + .release = single_release, + .read = seq_read, + .write = wil_link_stats_write, + .llseek = seq_lseek, +}; + +static int +wil_link_stats_global_debugfs_show(struct seq_file *s, void *data) +{ + struct wil6210_priv *wil = s->private; + + if (!wil->fw_stats_global.ready) + return 0; + + seq_printf(s, "TSF %lld\n", wil->fw_stats_global.tsf); + wil_link_stats_print_global(wil, s, &wil->fw_stats_global.stats); + + return 0; +} + +static int +wil_link_stats_global_seq_open(struct inode *inode, struct file *file) +{ + return single_open(file, wil_link_stats_global_debugfs_show, + inode->i_private); +} + +static ssize_t +wil_link_stats_global_write(struct file *file, const char __user *buf, + size_t len, loff_t *ppos) +{ + struct seq_file *s = file->private_data; + struct wil6210_priv *wil = s->private; + int interval, rc; + struct wil6210_vif *vif = ndev_to_vif(wil->main_ndev); + + /* specify snapshot interval in ms */ + rc = kstrtoint_from_user(buf, len, 0, &interval); + if (rc || interval < 0) { + wil_err(wil, "Invalid argument\n"); + return -EINVAL; + } + + wil_info(wil, "request global link stats, interval %d\n", interval); + + rc = wmi_link_stats_cfg(vif, WMI_LINK_STATS_TYPE_GLOBAL, 0, interval); + if (rc) + wil_err(wil, "global link stats failed %d\n", rc); + + return rc ? rc : len; +} + +static const struct file_operations fops_link_stats_global = { + .open = wil_link_stats_global_seq_open, + .release = single_release, + .read = seq_read, + .write = wil_link_stats_global_write, + .llseek = seq_lseek, +}; + static ssize_t wil_read_file_led_cfg(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -2256,6 +2473,8 @@ static const struct { {"status_msg", 0444, &fops_status_msg}, {"rx_buff_mgmt", 0444, &fops_rx_buff_mgmt}, {"tx_latency", 0644, &fops_tx_latency}, + {"link_stats", 0644, &fops_link_stats}, + {"link_stats_global", 0644, &fops_link_stats_global}, }; static void wil6210_debugfs_init_files(struct wil6210_priv *wil, diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 379f7ce664c5..e87c88957033 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -728,6 +728,7 @@ struct wil_sta_info { * tx_latency_res is configured from "tx_latency" debug-fs. */ u64 *tx_latency_bins; + struct wmi_link_stats_basic fw_stats_basic; /* Rx BACK */ struct wil_tid_ampdu_rx *tid_rx[WIL_STA_TID_NUM]; spinlock_t tid_rx_lock; /* guarding tid_rx array */ @@ -842,6 +843,8 @@ struct wil6210_vif { struct mutex probe_client_mutex; /* protect @probe_client_pending */ struct work_struct probe_client_worker; int net_queue_stopped; /* netif_tx_stop_all_queues invoked */ + bool fw_stats_ready; /* per-cid statistics are ready inside sta_info */ + u64 fw_stats_tsf; /* measurement timestamp */ }; /** @@ -869,6 +872,12 @@ struct wil_rx_buff_mgmt { unsigned long free_list_empty_cnt; /* statistics */ }; +struct wil_fw_stats_global { + bool ready; + u64 tsf; /* measurement timestamp */ + struct wmi_link_stats_global stats; +}; + struct wil6210_priv { struct pci_dev *pdev; u32 bar_size; @@ -1002,6 +1011,8 @@ struct wil6210_priv { bool use_rx_hw_reordering; bool secured_boot; u8 boot_config; + + struct wil_fw_stats_global fw_stats_global; }; #define wil_to_wiphy(i) (i->wiphy) @@ -1201,6 +1212,7 @@ int wmi_new_sta(struct wil6210_vif *vif, const u8 *mac, u8 aid); int wmi_port_allocate(struct wil6210_priv *wil, u8 mid, const u8 *mac, enum nl80211_iftype iftype); int wmi_port_delete(struct wil6210_priv *wil, u8 mid); +int wmi_link_stats_cfg(struct wil6210_vif *vif, u32 type, u8 cid, u32 interval); int wil_addba_rx_request(struct wil6210_priv *wil, u8 mid, u8 cidxtid, u8 dialog_token, __le16 ba_param_set, __le16 ba_timeout, __le16 ba_seq_ctrl); diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 71056c834fff..45a71fd7cc28 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -464,6 +464,8 @@ static const char *cmdid2name(u16 cmdid) return "WMI_BCAST_DESC_RING_ADD_CMD"; case WMI_CFG_DEF_RX_OFFLOAD_CMDID: return "WMI_CFG_DEF_RX_OFFLOAD_CMD"; + case WMI_LINK_STATS_CMDID: + return "WMI_LINK_STATS_CMD"; default: return "Untracked CMD"; } @@ -598,6 +600,10 @@ static const char *eventid2name(u16 eventid) return "WMI_RX_DESC_RING_CFG_DONE_EVENT"; case WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENTID: return "WMI_CFG_DEF_RX_OFFLOAD_DONE_EVENT"; + case WMI_LINK_STATS_CONFIG_DONE_EVENTID: + return "WMI_LINK_STATS_CONFIG_DONE_EVENT"; + case WMI_LINK_STATS_EVENTID: + return "WMI_LINK_STATS_EVENT"; default: return "Untracked EVENT"; } @@ -1329,6 +1335,130 @@ wmi_evt_sched_scan_result(struct wil6210_vif *vif, int id, void *d, int len) cfg80211_sched_scan_results(wiphy, 0); } +static void wil_link_stats_store_basic(struct wil6210_vif *vif, + struct wmi_link_stats_basic *basic) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + u8 cid = basic->cid; + struct wil_sta_info *sta; + + if (cid < 0 || cid >= WIL6210_MAX_CID) { + wil_err(wil, "invalid cid %d\n", cid); + return; + } + + sta = &wil->sta[cid]; + sta->fw_stats_basic = *basic; +} + +static void wil_link_stats_store_global(struct wil6210_vif *vif, + struct wmi_link_stats_global *global) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + + wil->fw_stats_global.stats = *global; +} + +static void wmi_link_stats_parse(struct wil6210_vif *vif, u64 tsf, + bool has_next, void *payload, + size_t payload_size) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + size_t hdr_size = sizeof(struct wmi_link_stats_record); + size_t stats_size, record_size, expected_size; + struct wmi_link_stats_record *hdr; + + if (payload_size < hdr_size) { + wil_err(wil, "link stats wrong event size %zu\n", payload_size); + return; + } + + while (payload_size >= hdr_size) { + hdr = payload; + stats_size = le16_to_cpu(hdr->record_size); + record_size = hdr_size + stats_size; + + if (payload_size < record_size) { + wil_err(wil, "link stats payload ended unexpectedly, size %zu < %zu\n", + payload_size, record_size); + return; + } + + switch (hdr->record_type_id) { + case WMI_LINK_STATS_TYPE_BASIC: + expected_size = sizeof(struct wmi_link_stats_basic); + if (stats_size < expected_size) { + wil_err(wil, "link stats invalid basic record size %zu < %zu\n", + stats_size, expected_size); + return; + } + if (vif->fw_stats_ready) { + /* clean old statistics */ + vif->fw_stats_tsf = 0; + vif->fw_stats_ready = 0; + } + + wil_link_stats_store_basic(vif, payload + hdr_size); + + if (!has_next) { + vif->fw_stats_tsf = tsf; + vif->fw_stats_ready = 1; + } + + break; + case WMI_LINK_STATS_TYPE_GLOBAL: + expected_size = sizeof(struct wmi_link_stats_global); + if (stats_size < sizeof(struct wmi_link_stats_global)) { + wil_err(wil, "link stats invalid global record size %zu < %zu\n", + stats_size, expected_size); + return; + } + + if (wil->fw_stats_global.ready) { + /* clean old statistics */ + wil->fw_stats_global.tsf = 0; + wil->fw_stats_global.ready = 0; + } + + wil_link_stats_store_global(vif, payload + hdr_size); + + if (!has_next) { + wil->fw_stats_global.tsf = tsf; + wil->fw_stats_global.ready = 1; + } + + break; + default: + break; + } + + /* skip to next record */ + payload += record_size; + payload_size -= record_size; + } +} + +static void +wmi_evt_link_stats(struct wil6210_vif *vif, int id, void *d, int len) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + struct wmi_link_stats_event *evt = d; + size_t payload_size; + + if (len < offsetof(struct wmi_link_stats_event, payload)) { + wil_err(wil, "stats event way too short %d\n", len); + return; + } + payload_size = le16_to_cpu(evt->payload_size); + if (len < sizeof(struct wmi_link_stats_event) + payload_size) { + wil_err(wil, "stats event too short %d\n", len); + return; + } + + wmi_link_stats_parse(vif, le64_to_cpu(evt->tsf), evt->has_next, + evt->payload, payload_size); +} + /** * Some events are ignored for purpose; and need not be interpreted as * "unhandled events" @@ -1359,6 +1489,7 @@ static const struct { {WMI_RING_EN_EVENTID, wmi_evt_ring_en}, {WMI_DATA_PORT_OPEN_EVENTID, wmi_evt_ignore}, {WMI_SCHED_SCAN_RESULT_EVENTID, wmi_evt_sched_scan_result}, + {WMI_LINK_STATS_EVENTID, wmi_evt_link_stats}, }; /* @@ -3242,3 +3373,37 @@ int wil_wmi_bcast_desc_ring_add(struct wil6210_vif *vif, int ring_id) return 0; } + +int wmi_link_stats_cfg(struct wil6210_vif *vif, u32 type, u8 cid, u32 interval) +{ + struct wil6210_priv *wil = vif_to_wil(vif); + struct wmi_link_stats_cmd cmd = { + .record_type_mask = cpu_to_le32(type), + .cid = cid, + .action = WMI_LINK_STATS_SNAPSHOT, + .interval_msec = cpu_to_le32(interval), + }; + struct { + struct wmi_cmd_hdr wmi; + struct wmi_link_stats_config_done_event evt; + } __packed reply = { + .evt = {.status = WMI_FW_STATUS_FAILURE}, + }; + int rc; + + rc = wmi_call(wil, WMI_LINK_STATS_CMDID, vif->mid, &cmd, sizeof(cmd), + WMI_LINK_STATS_CONFIG_DONE_EVENTID, &reply, + sizeof(reply), WIL_WMI_CALL_GENERAL_TO_MS); + if (rc) { + wil_err(wil, "WMI_LINK_STATS_CMDID failed, rc %d\n", rc); + return rc; + } + + if (reply.evt.status != WMI_FW_STATUS_SUCCESS) { + wil_err(wil, "Link statistics config failed, status %d\n", + reply.evt.status); + return -EINVAL; + } + + return 0; +} diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index 13f6f6210117..00cf3c422133 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -1715,9 +1715,7 @@ enum wmi_link_stats_action { /* WMI_LINK_STATS_EVENT record identifiers */ enum wmi_link_stats_record_type { WMI_LINK_STATS_TYPE_BASIC = 0x01, - WMI_LINK_STATS_TYPE_MAC = 0x02, - WMI_LINK_STATS_TYPE_PHY = 0x04, - WMI_LINK_STATS_TYPE_OTA = 0x08, + WMI_LINK_STATS_TYPE_GLOBAL = 0x02, }; /* WMI_LINK_STATS_CMDID */ @@ -1731,7 +1729,7 @@ struct wmi_link_stats_cmd { /* wmi_link_stats_action_e */ u8 action; u8 reserved[6]; - /* for WMI_LINK_STATS_PERIODIC */ + /* range = 100 - 10000 */ __le32 interval_msec; } __packed; @@ -3779,32 +3777,59 @@ struct wmi_link_stats_config_done_event { /* WMI_LINK_STATS_EVENTID */ struct wmi_link_stats_event { + __le64 tsf; __le16 payload_size; u8 has_next; u8 reserved[5]; - /* a stream of records, e.g. wmi_link_stats_basic_s */ + /* a stream of wmi_link_stats_record_s */ u8 payload[0]; } __packed; -/* WMI_LINK_STATS_EVENT record struct */ -struct wmi_link_stats_basic { - /* WMI_LINK_STATS_TYPE_BASIC */ +/* WMI_LINK_STATS_EVENT */ +struct wmi_link_stats_record { + /* wmi_link_stats_record_type_e */ u8 record_type_id; + u8 reserved; + __le16 record_size; + u8 record[0]; +} __packed; + +/* WMI_LINK_STATS_TYPE_BASIC */ +struct wmi_link_stats_basic { u8 cid; - /* 0: fail; 1: OK; 2: retrying */ - u8 bf_status; s8 rssi; u8 sqi; + u8 bf_mcs; + u8 per_average; u8 selected_rfc; - __le16 bf_mcs; + u8 rx_effective_ant_num; + u8 my_rx_sector; + u8 my_tx_sector; + u8 other_rx_sector; + u8 other_tx_sector; + u8 reserved[7]; + /* 1/4 Db units */ + __le16 snr; __le32 tx_tpt; __le32 tx_goodput; __le32 rx_goodput; - __le16 my_rx_sector; - __le16 my_tx_sector; - __le16 other_rx_sector; - __le16 other_tx_sector; - __le32 reserved[2]; + __le32 bf_count; + __le32 rx_bcast_frames; +} __packed; + +/* WMI_LINK_STATS_TYPE_GLOBAL */ +struct wmi_link_stats_global { + /* all ack-able frames */ + __le32 rx_frames; + /* all ack-able frames */ + __le32 tx_frames; + __le32 rx_ba_frames; + __le32 tx_ba_frames; + __le32 tx_beacons; + __le32 rx_mic_errors; + __le32 rx_crc_errors; + __le32 tx_fail_no_ack; + u8 reserved[8]; } __packed; /* WMI_SET_GRANT_MCS_EVENTID */ -- cgit v1.2.3-55-g7522 From af2cd85e8dbd4241c21c0136d13e36b0043604ba Mon Sep 17 00:00:00 2001 From: Ahmad Masri Date: Tue, 24 Jul 2018 10:44:32 +0300 Subject: wil6210: allow scan on AP interface Scan is allowed only on client interfaces (STA/P2P). Allow scan on AP interface so that the AP can discover rouge or unauthorized neighbor APs. Signed-off-by: Ahmad Masri Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/cfg80211.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index e63b07830f2c..3c754abb008c 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -689,11 +689,12 @@ static int wil_cfg80211_scan(struct wiphy *wiphy, wil_dbg_misc(wil, "scan: wdev=0x%p iftype=%d\n", wdev, wdev->iftype); - /* check we are client side */ + /* scan is supported on client interfaces and on AP interface */ switch (wdev->iftype) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_DEVICE: + case NL80211_IFTYPE_AP: break; default: return -EOPNOTSUPP; -- cgit v1.2.3-55-g7522 From 1b99197dc00cbb34cb39be70ad5beb4a5a84be4b Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Tue, 24 Jul 2018 10:44:33 +0300 Subject: wil6210: support max aggregation window size 64 FW can support BACK window size 64 for performance improvements. A new FW capability is added for notifying the host on the increased max BACK win size support. Defining WIL_MAX_AGG_WSIZE_64 and WIL_MAX_AMPDU_SIZE_128 to be used in this case. Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/main.c | 9 +++++++++ drivers/net/wireless/ath/wil6210/rx_reorder.c | 8 ++++---- drivers/net/wireless/ath/wil6210/wil6210.h | 5 +++++ drivers/net/wireless/ath/wil6210/wmi.h | 1 + 4 files changed, 19 insertions(+), 4 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 9495c6cb8288..a949e919061b 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -1141,6 +1141,15 @@ void wil_refresh_fw_capabilities(struct wil6210_priv *wil) wil->platform_ops.set_features(wil->platform_handle, features); } + + if (test_bit(WMI_FW_CAPABILITY_BACK_WIN_SIZE_64, + wil->fw_capabilities)) { + wil->max_agg_wsize = WIL_MAX_AGG_WSIZE_64; + wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE_128; + } else { + wil->max_agg_wsize = WIL_MAX_AGG_WSIZE; + wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE; + } } void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) diff --git a/drivers/net/wireless/ath/wil6210/rx_reorder.c b/drivers/net/wireless/ath/wil6210/rx_reorder.c index ba4e93f53b4a..b608aa16b4f1 100644 --- a/drivers/net/wireless/ath/wil6210/rx_reorder.c +++ b/drivers/net/wireless/ath/wil6210/rx_reorder.c @@ -297,7 +297,7 @@ void wil_tid_ampdu_rx_free(struct wil6210_priv *wil, /* ADDBA processing */ static u16 wil_agg_size(struct wil6210_priv *wil, u16 req_agg_wsize) { - u16 max_agg_size = min_t(u16, WIL_MAX_AGG_WSIZE, WIL_MAX_AMPDU_SIZE / + u16 max_agg_size = min_t(u16, wil->max_agg_wsize, wil->max_ampdu_size / (mtu_max + WIL_MAX_MPDU_OVERHEAD)); if (!req_agg_wsize) @@ -364,11 +364,11 @@ __acquires(&sta->tid_rx_lock) __releases(&sta->tid_rx_lock) if (status == WLAN_STATUS_SUCCESS) { if (req_agg_wsize == 0) { wil_dbg_misc(wil, "Suggest BACK wsize %d\n", - WIL_MAX_AGG_WSIZE); - agg_wsize = WIL_MAX_AGG_WSIZE; + wil->max_agg_wsize); + agg_wsize = wil->max_agg_wsize; } else { agg_wsize = min_t(u16, - WIL_MAX_AGG_WSIZE, req_agg_wsize); + wil->max_agg_wsize, req_agg_wsize); } } diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index e87c88957033..b5d8ad2d95a8 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -90,6 +90,8 @@ static inline u32 WIL_GET_BITS(u32 x, int b0, int b1) #define WIL6210_NAPI_BUDGET (16) /* arbitrary */ #define WIL_MAX_AMPDU_SIZE (64 * 1024) /* FW/HW limit */ #define WIL_MAX_AGG_WSIZE (32) /* FW/HW limit */ +#define WIL_MAX_AMPDU_SIZE_128 (128 * 1024) /* FW/HW limit */ +#define WIL_MAX_AGG_WSIZE_64 (64) /* FW/HW limit */ #define WIL6210_MAX_STATUS_RINGS (8) /* Hardware offload block adds the following: @@ -1013,6 +1015,9 @@ struct wil6210_priv { u8 boot_config; struct wil_fw_stats_global fw_stats_global; + + u32 max_agg_wsize; + u32 max_ampdu_size; }; #define wil_to_wiphy(i) (i->wiphy) diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index 00cf3c422133..719f3109e91e 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -99,6 +99,7 @@ enum wmi_fw_capability { WMI_FW_CAPABILITY_AP_SME_OFFLOAD_NONE = 19, WMI_FW_CAPABILITY_MULTI_VIFS = 20, WMI_FW_CAPABILITY_FT_ROAMING = 21, + WMI_FW_CAPABILITY_BACK_WIN_SIZE_64 = 22, WMI_FW_CAPABILITY_AMSDU = 23, WMI_FW_CAPABILITY_MAX, }; -- cgit v1.2.3-55-g7522 From 6ccae584014ef7074359eb4151086beef66ecfa9 Mon Sep 17 00:00:00 2001 From: Hamad Kadmany Date: Tue, 24 Jul 2018 10:44:34 +0300 Subject: wil6210: increase firmware ready timeout Firmware ready event may take longer than current timeout in some scenarios, for example with multiple RFs connected where each requires an initial calibration. Increase the timeout to support these scenarios. Signed-off-by: Hamad Kadmany Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index a949e919061b..7dcbd4629e0d 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -1282,7 +1282,7 @@ static int wil_get_otp_info(struct wil6210_priv *wil) static int wil_wait_for_fw_ready(struct wil6210_priv *wil) { - ulong to = msecs_to_jiffies(1000); + ulong to = msecs_to_jiffies(2000); ulong left = wait_for_completion_timeout(&wil->wmi_ready, to); if (0 == left) { -- cgit v1.2.3-55-g7522 From 631d3b4f7eeb76ffb865ff7805b495b50ee623f8 Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Tue, 24 Jul 2018 10:44:35 +0300 Subject: wil6210: support Talyn specific board file FW file name for Talyn device can be different from the default name. In such a case use a corresponding board file name. If such a board file is not present FW download procedure will fail. Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/fw.c | 3 +++ drivers/net/wireless/ath/wil6210/main.c | 35 ++++++++++++++++++++++++----- drivers/net/wireless/ath/wil6210/pcie_bus.c | 2 +- drivers/net/wireless/ath/wil6210/wil6210.h | 4 ++++ 4 files changed, 38 insertions(+), 6 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/fw.c b/drivers/net/wireless/ath/wil6210/fw.c index 540fc20984d8..3e2bbbceca06 100644 --- a/drivers/net/wireless/ath/wil6210/fw.c +++ b/drivers/net/wireless/ath/wil6210/fw.c @@ -1,5 +1,6 @@ /* * Copyright (c) 2014-2015,2017 Qualcomm Atheros, Inc. + * Copyright (c) 2018, The Linux Foundation. All rights reserved. * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above @@ -22,6 +23,8 @@ MODULE_FIRMWARE(WIL_FW_NAME_DEFAULT); MODULE_FIRMWARE(WIL_FW_NAME_SPARROW_PLUS); MODULE_FIRMWARE(WIL_BOARD_FILE_NAME); +MODULE_FIRMWARE(WIL_FW_NAME_TALYN); +MODULE_FIRMWARE(WIL_BRD_NAME_TALYN); static void wil_memset_toio_32(volatile void __iomem *dst, u32 val, diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 7dcbd4629e0d..64de67975866 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -28,6 +28,7 @@ #define WAIT_FOR_HALP_VOTE_MS 100 #define WAIT_FOR_SCAN_ABORT_MS 1000 #define WIL_DEFAULT_NUM_RX_STATUS_RINGS 1 +#define WIL_BOARD_FILE_MAX_NAMELEN 128 bool debug_fw; /* = false; */ module_param(debug_fw, bool, 0444); @@ -1161,6 +1162,28 @@ void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r) le32_to_cpus(&r->head); } +/* construct actual board file name to use */ +void wil_get_board_file(struct wil6210_priv *wil, char *buf, size_t len) +{ + const char *board_file; + const char *wil_talyn_fw_name = ftm_mode ? WIL_FW_NAME_FTM_TALYN : + WIL_FW_NAME_TALYN; + + if (wil->board_file) { + board_file = wil->board_file; + } else { + /* If specific FW file is used for Talyn, + * use specific board file + */ + if (strcmp(wil->wil_fw_name, wil_talyn_fw_name) == 0) + board_file = WIL_BRD_NAME_TALYN; + else + board_file = WIL_BOARD_FILE_NAME; + } + + strlcpy(buf, board_file, len); +} + static int wil_get_bl_info(struct wil6210_priv *wil) { struct net_device *ndev = wil->main_ndev; @@ -1532,8 +1555,12 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) wil_set_oob_mode(wil, oob_mode); if (load_fw) { + char board_file[WIL_BOARD_FILE_MAX_NAMELEN]; + + board_file[0] = '\0'; + wil_get_board_file(wil, board_file, sizeof(board_file)); wil_info(wil, "Use firmware <%s> + board <%s>\n", - wil->wil_fw_name, WIL_BOARD_FILE_NAME); + wil->wil_fw_name, board_file); if (!no_flash) wil_bl_prepare_halt(wil); @@ -1545,11 +1572,9 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) if (rc) goto out; if (wil->brd_file_addr) - rc = wil_request_board(wil, WIL_BOARD_FILE_NAME); + rc = wil_request_board(wil, board_file); else - rc = wil_request_firmware(wil, - WIL_BOARD_FILE_NAME, - true); + rc = wil_request_firmware(wil, board_file, true); if (rc) goto out; diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index 095c16fc5e8a..e44b4ad1de65 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -28,7 +28,7 @@ static int n_msi = 1; module_param(n_msi, int, 0444); MODULE_PARM_DESC(n_msi, " Use MSI interrupt: 0 - use INTx, 1 - (default) - single, or 3"); -static bool ftm_mode; +bool ftm_mode; module_param(ftm_mode, bool, 0444); MODULE_PARM_DESC(ftm_mode, " Set factory test mode, default - false"); diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index b5d8ad2d95a8..542075da69f1 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -37,6 +37,7 @@ extern bool rx_align_2; extern bool rx_large_buf; extern bool debug_fw; extern bool disable_ap_sme; +extern bool ftm_mode; struct wil6210_priv; struct wil6210_vif; @@ -52,6 +53,7 @@ union wil_tx_desc; #define WIL_FW_NAME_TALYN "wil6436.fw" #define WIL_FW_NAME_FTM_TALYN "wil6436_ftm.fw" +#define WIL_BRD_NAME_TALYN "wil6436.brd" #define WIL_BOARD_FILE_NAME "wil6210.brd" /* board & radio parameters */ @@ -1101,6 +1103,8 @@ static inline void wil_c(struct wil6210_priv *wil, u32 reg, u32 val) wil_w(wil, reg, wil_r(wil, reg) & ~val); } +void wil_get_board_file(struct wil6210_priv *wil, char *buf, size_t len); + #if defined(CONFIG_DYNAMIC_DEBUG) #define wil_hex_dump_txrx(prefix_str, prefix_type, rowsize, \ groupsize, buf, len, ascii) \ -- cgit v1.2.3-55-g7522 From 7f10f8ba02207af13db0c33fa97e5904ec3ea39e Mon Sep 17 00:00:00 2001 From: Alexei Avshalom Lazar Date: Tue, 24 Jul 2018 10:44:36 +0300 Subject: wil6210: set default 3-MSI Single MSI is the current default configuration. With multiple MSI interrupts configuration, Tx/Rx processing could run in parallel on different CPU cores and allow better balance between the cores. Signed-off-by: Alexei Avshalom Lazar Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/pcie_bus.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c index e44b4ad1de65..89119e7facd0 100644 --- a/drivers/net/wireless/ath/wil6210/pcie_bus.c +++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c @@ -24,9 +24,9 @@ #include #include -static int n_msi = 1; +static int n_msi = 3; module_param(n_msi, int, 0444); -MODULE_PARM_DESC(n_msi, " Use MSI interrupt: 0 - use INTx, 1 - (default) - single, or 3"); +MODULE_PARM_DESC(n_msi, " Use MSI interrupt: 0 - use INTx, 1 - single, or 3 - (default) "); bool ftm_mode; module_param(ftm_mode, bool, 0444); -- cgit v1.2.3-55-g7522 From 6a363e8aa3828621eb4bc5e506f35f6ca9016d57 Mon Sep 17 00:00:00 2001 From: Ahmad Masri Date: Tue, 24 Jul 2018 10:44:37 +0300 Subject: wil6210: align to latest auto generated wmi.h Align to latest version of the auto generated wmi file describing the interface with FW. Signed-off-by: Ahmad Masri Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/wmi.h | 200 ++++++++++++++++++++++++++++++++- 1 file changed, 197 insertions(+), 3 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/wmi.h b/drivers/net/wireless/ath/wil6210/wmi.h index 719f3109e91e..139acb2caf92 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.h +++ b/drivers/net/wireless/ath/wil6210/wmi.h @@ -101,6 +101,8 @@ enum wmi_fw_capability { WMI_FW_CAPABILITY_FT_ROAMING = 21, WMI_FW_CAPABILITY_BACK_WIN_SIZE_64 = 22, WMI_FW_CAPABILITY_AMSDU = 23, + WMI_FW_CAPABILITY_RAW_MODE = 24, + WMI_FW_CAPABILITY_TX_REQ_EXT = 25, WMI_FW_CAPABILITY_MAX, }; @@ -135,6 +137,12 @@ enum wmi_command_id { WMI_SET_WSC_STATUS_CMDID = 0x41, WMI_PXMT_RANGE_CFG_CMDID = 0x42, WMI_PXMT_SNR2_RANGE_CFG_CMDID = 0x43, + WMI_RADAR_GENERAL_CONFIG_CMDID = 0x100, + WMI_RADAR_CONFIG_SELECT_CMDID = 0x101, + WMI_RADAR_PARAMS_CONFIG_CMDID = 0x102, + WMI_RADAR_SET_MODE_CMDID = 0x103, + WMI_RADAR_CONTROL_CMDID = 0x104, + WMI_RADAR_PCI_CONTROL_CMDID = 0x105, WMI_MEM_READ_CMDID = 0x800, WMI_MEM_WR_CMDID = 0x801, WMI_ECHO_CMDID = 0x803, @@ -175,6 +183,10 @@ enum wmi_command_id { WMI_SET_PCP_CHANNEL_CMDID = 0x829, WMI_GET_PCP_CHANNEL_CMDID = 0x82A, WMI_SW_TX_REQ_CMDID = 0x82B, + /* Event is shared between WMI_SW_TX_REQ_CMDID and + * WMI_SW_TX_REQ_EXT_CMDID + */ + WMI_SW_TX_REQ_EXT_CMDID = 0x82C, WMI_MLME_PUSH_CMDID = 0x835, WMI_BEAMFORMING_MGMT_CMDID = 0x836, WMI_BF_TXSS_MGMT_CMDID = 0x837, @@ -559,6 +571,109 @@ struct wmi_pxmt_snr2_range_cfg_cmd { s8 snr2range_arr[2]; } __packed; +/* WMI_RADAR_GENERAL_CONFIG_CMDID */ +struct wmi_radar_general_config_cmd { + /* Number of pulses (CIRs) in FW FIFO to initiate pulses transfer + * from FW to Host + */ + __le32 fifo_watermark; + /* In unit of us, in the range [100, 1000000] */ + __le32 t_burst; + /* Valid in the range [1, 32768], 0xFFFF means infinite */ + __le32 n_bursts; + /* In unit of 330Mhz clk, in the range [4, 2000]*330 */ + __le32 t_pulse; + /* In the range of [1,4096] */ + __le16 n_pulses; + /* Number of taps after cTap per CIR */ + __le16 n_samples; + /* Offset from the main tap (0 = zero-distance). In the range of [0, + * 255] + */ + u8 first_sample_offset; + /* Number of Pulses to average, 1, 2, 4, 8 */ + u8 pulses_to_avg; + /* Number of adjacent taps to average, 1, 2, 4, 8 */ + u8 samples_to_avg; + /* The index to config general params */ + u8 general_index; + u8 reserved[4]; +} __packed; + +/* WMI_RADAR_CONFIG_SELECT_CMDID */ +struct wmi_radar_config_select_cmd { + /* Select the general params index to use */ + u8 general_index; + u8 reserved[3]; + /* 0 means don't update burst_active_vector */ + __le32 burst_active_vector; + /* 0 means don't update pulse_active_vector */ + __le32 pulse_active_vector; +} __packed; + +/* WMI_RADAR_PARAMS_CONFIG_CMDID */ +struct wmi_radar_params_config_cmd { + /* The burst index selected to config */ + u8 burst_index; + /* 0-not active, 1-active */ + u8 burst_en; + /* The pulse index selected to config */ + u8 pulse_index; + /* 0-not active, 1-active */ + u8 pulse_en; + /* TX RF to use on current pulse */ + u8 tx_rfc_idx; + u8 tx_sector; + /* Offset from calibrated value.(expected to be 0)(value is row in + * Gain-LUT, not dB) + */ + s8 tx_rf_gain_comp; + /* expected to be 0 */ + s8 tx_bb_gain_comp; + /* RX RF to use on current pulse */ + u8 rx_rfc_idx; + u8 rx_sector; + /* Offset from calibrated value.(expected to be 0)(value is row in + * Gain-LUT, not dB) + */ + s8 rx_rf_gain_comp; + /* Value in dB.(expected to be 0) */ + s8 rx_bb_gain_comp; + /* Offset from calibrated value.(expected to be 0) */ + s8 rx_timing_offset; + u8 reserved[3]; +} __packed; + +/* WMI_RADAR_SET_MODE_CMDID */ +struct wmi_radar_set_mode_cmd { + /* 0-disable/1-enable */ + u8 enable; + /* enum wmi_channel */ + u8 channel; + /* In the range of [0,7], 0xff means use default */ + u8 tx_rfc_idx; + /* In the range of [0,7], 0xff means use default */ + u8 rx_rfc_idx; +} __packed; + +/* WMI_RADAR_CONTROL_CMDID */ +struct wmi_radar_control_cmd { + /* 0-stop/1-start */ + u8 start; + u8 reserved[3]; +} __packed; + +/* WMI_RADAR_PCI_CONTROL_CMDID */ +struct wmi_radar_pci_control_cmd { + /* pcie host buffer start address */ + __le64 base_addr; + /* pcie host control block address */ + __le64 control_block_addr; + /* pcie host buffer size */ + __le32 buffer_size; + __le32 reserved; +} __packed; + /* WMI_RF_MGMT_CMDID */ enum wmi_rf_mgmt_type { WMI_RF_MGMT_W_DISABLE = 0x00, @@ -696,12 +811,18 @@ struct wmi_pcp_start_cmd { u8 pcp_max_assoc_sta; u8 hidden_ssid; u8 is_go; - u8 reserved0[5]; + /* enum wmi_channel WMI_CHANNEL_9..WMI_CHANNEL_12 */ + u8 edmg_channel; + u8 raw_mode; + u8 reserved[3]; /* A-BFT length override if non-0 */ u8 abft_len; /* enum wmi_ap_sme_offload_mode_e */ u8 ap_sme_offload_mode; u8 network_type; + /* enum wmi_channel WMI_CHANNEL_1..WMI_CHANNEL_6; for EDMG this is + * the primary channel number + */ u8 channel; u8 disable_sec_offload; u8 disable_sec; @@ -714,6 +835,17 @@ struct wmi_sw_tx_req_cmd { u8 payload[0]; } __packed; +/* WMI_SW_TX_REQ_EXT_CMDID */ +struct wmi_sw_tx_req_ext_cmd { + u8 dst_mac[WMI_MAC_LEN]; + __le16 len; + __le16 duration_ms; + /* Channel to use, 0xFF for currently active channel */ + u8 channel; + u8 reserved[5]; + u8 payload[0]; +} __packed; + /* WMI_VRING_SWITCH_TIMING_CONFIG_CMDID */ struct wmi_vring_switch_timing_config_cmd { /* Set vring timing configuration: @@ -740,6 +872,7 @@ struct wmi_vring_cfg_schd { enum wmi_vring_cfg_encap_trans_type { WMI_VRING_ENC_TYPE_802_3 = 0x00, WMI_VRING_ENC_TYPE_NATIVE_WIFI = 0x01, + WMI_VRING_ENC_TYPE_NONE = 0x02, }; enum wmi_vring_cfg_ds_cfg { @@ -1151,8 +1284,8 @@ struct wmi_echo_cmd { } __packed; /* WMI_DEEP_ECHO_CMDID - * Check FW and ucode are alive - * Returned event: WMI_ECHO_RSP_EVENTID + * Check FW and uCode is alive + * Returned event: WMI_DEEP_ECHO_RSP_EVENTID */ struct wmi_deep_echo_cmd { __le32 value; @@ -1527,6 +1660,52 @@ struct wmi_set_multi_directed_omnis_config_event { u8 reserved[3]; } __packed; +/* WMI_RADAR_GENERAL_CONFIG_EVENTID */ +struct wmi_radar_general_config_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + +/* WMI_RADAR_CONFIG_SELECT_EVENTID */ +struct wmi_radar_config_select_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; + /* In unit of bytes */ + __le32 fifo_size; + /* In unit of bytes */ + __le32 pulse_size; +} __packed; + +/* WMI_RADAR_PARAMS_CONFIG_EVENTID */ +struct wmi_radar_params_config_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + +/* WMI_RADAR_SET_MODE_EVENTID */ +struct wmi_radar_set_mode_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + +/* WMI_RADAR_CONTROL_EVENTID */ +struct wmi_radar_control_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + +/* WMI_RADAR_PCI_CONTROL_EVENTID */ +struct wmi_radar_pci_control_event { + /* wmi_fw_status */ + u8 status; + u8 reserved[3]; +} __packed; + /* WMI_SET_LONG_RANGE_CONFIG_CMDID */ struct wmi_set_long_range_config_cmd { __le32 reserved; @@ -1759,10 +1938,17 @@ enum wmi_event_id { WMI_REPORT_STATISTICS_EVENTID = 0x100B, WMI_FT_AUTH_STATUS_EVENTID = 0x100C, WMI_FT_REASSOC_STATUS_EVENTID = 0x100D, + WMI_RADAR_GENERAL_CONFIG_EVENTID = 0x1100, + WMI_RADAR_CONFIG_SELECT_EVENTID = 0x1101, + WMI_RADAR_PARAMS_CONFIG_EVENTID = 0x1102, + WMI_RADAR_SET_MODE_EVENTID = 0x1103, + WMI_RADAR_CONTROL_EVENTID = 0x1104, + WMI_RADAR_PCI_CONTROL_EVENTID = 0x1105, WMI_RD_MEM_RSP_EVENTID = 0x1800, WMI_FW_READY_EVENTID = 0x1801, WMI_EXIT_FAST_MEM_ACC_MODE_EVENTID = 0x200, WMI_ECHO_RSP_EVENTID = 0x1803, + WMI_DEEP_ECHO_RSP_EVENTID = 0x1804, /* deprecated */ WMI_FS_TUNE_DONE_EVENTID = 0x180A, /* deprecated */ @@ -1788,6 +1974,9 @@ enum wmi_event_id { WMI_DELBA_EVENTID = 0x1826, WMI_GET_SSID_EVENTID = 0x1828, WMI_GET_PCP_CHANNEL_EVENTID = 0x182A, + /* Event is shared between WMI_SW_TX_REQ_CMDID and + * WMI_SW_TX_REQ_EXT_CMDID + */ WMI_SW_TX_COMPLETE_EVENTID = 0x182B, WMI_BEAMFORMING_MGMT_DONE_EVENTID = 0x1836, WMI_BF_TXSS_MGMT_DONE_EVENTID = 0x1837, @@ -2539,6 +2728,11 @@ struct wmi_echo_rsp_event { __le32 echoed_value; } __packed; +/* WMI_DEEP_ECHO_RSP_EVENTID */ +struct wmi_deep_echo_rsp_event { + __le32 echoed_value; +} __packed; + /* WMI_RF_PWR_ON_DELAY_RSP_EVENTID */ struct wmi_rf_pwr_on_delay_rsp_event { /* wmi_fw_status */ -- cgit v1.2.3-55-g7522 From b698e2dfc24cd148ce32f622a20938037ebe06b7 Mon Sep 17 00:00:00 2001 From: Ahmad Masri Date: Tue, 24 Jul 2018 10:44:38 +0300 Subject: wil6210: off channel transmit management frames in AP mode Currently wil6210 ignores the channel field in the cfg80211_mgmt_tx_params struct for wil_cfg80211_ops mgmt_tx operation and sends all management frames on the serving channel. Add support for off-channel transmission of management frames (WIPHY_FLAG_OFFCHAN_TX) in AP mode. This is useful in enterprise APs for sending custom probe request frames. Signed-off-by: Ahmad Masri Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/cfg80211.c | 47 ++++++++++++++++++++---- drivers/net/wireless/ath/wil6210/main.c | 3 ++ drivers/net/wireless/ath/wil6210/wil6210.h | 2 ++ drivers/net/wireless/ath/wil6210/wmi.c | 56 +++++++++++++++++++++++++++++ 4 files changed, 101 insertions(+), 7 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/cfg80211.c b/drivers/net/wireless/ath/wil6210/cfg80211.c index 3c754abb008c..f79c337105cb 100644 --- a/drivers/net/wireless/ath/wil6210/cfg80211.c +++ b/drivers/net/wireless/ath/wil6210/cfg80211.c @@ -1090,18 +1090,51 @@ int wil_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, int rc; bool tx_status; - /* Note, currently we do not support the "wait" parameter, user-space - * must call remain_on_channel before mgmt_tx or listen on a channel - * another way (AP/PCP or connected station) - * in addition we need to check if specified "chan" argument is - * different from currently "listened" channel and fail if it is. + wil_dbg_misc(wil, "mgmt_tx: channel %d offchan %d, wait %d\n", + params->chan ? params->chan->hw_value : -1, + params->offchan, + params->wait); + + /* Note, currently we support the "wait" parameter only on AP mode. + * In other modes, user-space must call remain_on_channel before + * mgmt_tx or listen on a channel other than active one. */ - rc = wmi_mgmt_tx(vif, buf, len); - tx_status = (rc == 0); + if (params->chan && params->chan->hw_value == 0) { + wil_err(wil, "invalid channel\n"); + return -EINVAL; + } + + if (wdev->iftype != NL80211_IFTYPE_AP) { + wil_dbg_misc(wil, + "send WMI_SW_TX_REQ_CMDID on non-AP interfaces\n"); + rc = wmi_mgmt_tx(vif, buf, len); + goto out; + } + if (!params->chan || params->chan->hw_value == vif->channel) { + wil_dbg_misc(wil, + "send WMI_SW_TX_REQ_CMDID for on-channel\n"); + rc = wmi_mgmt_tx(vif, buf, len); + goto out; + } + + if (params->offchan == 0) { + wil_err(wil, + "invalid channel params: current %d requested %d, off-channel not allowed\n", + vif->channel, params->chan->hw_value); + return -EBUSY; + } + + /* use the wmi_mgmt_tx_ext only on AP mode and off-channel */ + rc = wmi_mgmt_tx_ext(vif, buf, len, params->chan->hw_value, + params->wait); + +out: + tx_status = (rc == 0); cfg80211_mgmt_tx_status(wdev, cookie ? *cookie : 0, buf, len, tx_status, GFP_KERNEL); + return rc; } diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 64de67975866..7ad22dfd6698 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -1130,6 +1130,9 @@ void wil_refresh_fw_capabilities(struct wil6210_priv *wil) wiphy->max_sched_scan_plans = WMI_MAX_PLANS_NUM; } + if (test_bit(WMI_FW_CAPABILITY_TX_REQ_EXT, wil->fw_capabilities)) + wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX; + if (wil->platform_ops.set_features) { features = (test_bit(WMI_FW_CAPABILITY_REF_CLOCK_CONTROL, wil->fw_capabilities) && diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 542075da69f1..9fc51f79d75b 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -1350,6 +1350,8 @@ int wmi_start_sched_scan(struct wil6210_priv *wil, struct cfg80211_sched_scan_request *request); int wmi_stop_sched_scan(struct wil6210_priv *wil); int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len); +int wmi_mgmt_tx_ext(struct wil6210_vif *vif, const u8 *buf, size_t len, + u8 channel, u16 duration_ms); int reverse_memcmp(const void *cs, const void *ct, size_t count); diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 45a71fd7cc28..42c02a20ec97 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -466,6 +466,8 @@ static const char *cmdid2name(u16 cmdid) return "WMI_CFG_DEF_RX_OFFLOAD_CMD"; case WMI_LINK_STATS_CMDID: return "WMI_LINK_STATS_CMD"; + case WMI_SW_TX_REQ_EXT_CMDID: + return "WMI_SW_TX_REQ_EXT_CMDID"; default: return "Untracked CMD"; } @@ -3114,6 +3116,60 @@ int wmi_mgmt_tx(struct wil6210_vif *vif, const u8 *buf, size_t len) return rc; } +int wmi_mgmt_tx_ext(struct wil6210_vif *vif, const u8 *buf, size_t len, + u8 channel, u16 duration_ms) +{ + size_t total; + struct wil6210_priv *wil = vif_to_wil(vif); + struct ieee80211_mgmt *mgmt_frame = (void *)buf; + struct wmi_sw_tx_req_ext_cmd *cmd; + struct { + struct wmi_cmd_hdr wmi; + struct wmi_sw_tx_complete_event evt; + } __packed evt = { + .evt = {.status = WMI_FW_STATUS_FAILURE}, + }; + int rc; + + wil_dbg_wmi(wil, "mgmt_tx_ext mid %d channel %d duration %d\n", + vif->mid, channel, duration_ms); + wil_hex_dump_wmi("mgmt_tx_ext frame ", DUMP_PREFIX_OFFSET, 16, 1, buf, + len, true); + + if (len < sizeof(struct ieee80211_hdr_3addr)) { + wil_err(wil, "short frame. len %zu\n", len); + return -EINVAL; + } + + total = sizeof(*cmd) + len; + if (total < len) { + wil_err(wil, "mgmt_tx_ext invalid len %zu\n", len); + return -EINVAL; + } + + cmd = kzalloc(total, GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + memcpy(cmd->dst_mac, mgmt_frame->da, WMI_MAC_LEN); + cmd->len = cpu_to_le16(len); + memcpy(cmd->payload, buf, len); + cmd->channel = channel - 1; + cmd->duration_ms = cpu_to_le16(duration_ms); + + rc = wmi_call(wil, WMI_SW_TX_REQ_EXT_CMDID, vif->mid, cmd, total, + WMI_SW_TX_COMPLETE_EVENTID, &evt, sizeof(evt), 2000); + if (!rc && evt.evt.status != WMI_FW_STATUS_SUCCESS) { + wil_err(wil, "mgmt_tx_ext failed with status %d\n", + evt.evt.status); + rc = -EINVAL; + } + + kfree(cmd); + + return rc; +} + int wil_wmi_tx_sring_cfg(struct wil6210_priv *wil, int ring_id) { int rc; -- cgit v1.2.3-55-g7522 From d554edcd972d46179bf10258379e80f609bb52e5 Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Tue, 24 Jul 2018 10:44:39 +0300 Subject: wil6210: prevent FW download if HW is configured for secured boot Currently the driver doesn't support secured boot flow, hence prevent FW download in case HW is configured for such a flow. Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/main.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 7ad22dfd6698..1d4ce8e22483 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -1560,6 +1560,11 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) if (load_fw) { char board_file[WIL_BOARD_FILE_MAX_NAMELEN]; + if (wil->secured_boot) { + wil_err(wil, "secured boot is not supported\n"); + return -ENOTSUPP; + } + board_file[0] = '\0'; wil_get_board_file(wil, board_file, sizeof(board_file)); wil_info(wil, "Use firmware <%s> + board <%s>\n", -- cgit v1.2.3-55-g7522 From 1bb38e8bb81e5c43bc1a2b44bc8e340783005f58 Mon Sep 17 00:00:00 2001 From: Maya Erez Date: Tue, 24 Jul 2018 10:44:40 +0300 Subject: wil6210: fix eDMA RX chaining HW requires Rx buffers to be 4 bytes aligned. Modify the driver to meet this requirement. Enable OFU rdy valid bug fix, to prevent hang in oful34_rx while there is back-pressure from host during RX. Signed-off-by: Maya Erez Signed-off-by: Kalle Valo --- drivers/net/wireless/ath/wil6210/main.c | 7 +++++++ drivers/net/wireless/ath/wil6210/txrx_edma.c | 13 ++++++------- drivers/net/wireless/ath/wil6210/wil6210.h | 2 ++ 3 files changed, 15 insertions(+), 7 deletions(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 1d4ce8e22483..7debed6bec06 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -1614,6 +1614,13 @@ int wil_reset(struct wil6210_priv *wil, bool load_fw) wil->txrx_ops.configure_interrupt_moderation(wil); + /* Enable OFU rdy valid bug fix, to prevent hang in oful34_rx + * while there is back-pressure from Host during RX + */ + if (wil->hw_version >= HW_VER_TALYN_MB) + wil_s(wil, RGF_DMA_MISC_CTL, + BIT_OFUL34_RDY_VALID_BUG_FIX_EN); + rc = wil_restore_vifs(wil); if (rc) { wil_err(wil, "failed to restore vifs, rc %d\n", rc); diff --git a/drivers/net/wireless/ath/wil6210/txrx_edma.c b/drivers/net/wireless/ath/wil6210/txrx_edma.c index 9ef2b66f7561..bca61cb44c37 100644 --- a/drivers/net/wireless/ath/wil6210/txrx_edma.c +++ b/drivers/net/wireless/ath/wil6210/txrx_edma.c @@ -27,6 +27,8 @@ #include "trace.h" #define WIL_EDMA_MAX_DATA_OFFSET (2) +/* RX buffer size must be aligned to 4 bytes */ +#define WIL_EDMA_RX_BUF_LEN_DEFAULT (2048) static void wil_tx_desc_unmap_edma(struct device *dev, union wil_tx_desc *desc, @@ -158,8 +160,7 @@ static int wil_ring_alloc_skb_edma(struct wil6210_priv *wil, struct wil_ring *ring, u32 i) { struct device *dev = wil_to_dev(wil); - unsigned int sz = wil->rx_buf_len + ETH_HLEN + - WIL_EDMA_MAX_DATA_OFFSET; + unsigned int sz = ALIGN(wil->rx_buf_len, 4); dma_addr_t pa; u16 buff_id; struct list_head *active = &wil->rx_buff_mgmt.active; @@ -600,7 +601,7 @@ static bool wil_is_rx_idle_edma(struct wil6210_priv *wil) static void wil_rx_buf_len_init_edma(struct wil6210_priv *wil) { wil->rx_buf_len = rx_large_buf ? - WIL_MAX_ETH_MTU : TXRX_BUF_LEN_DEFAULT - WIL_MAX_MPDU_OVERHEAD; + WIL_MAX_ETH_MTU : WIL_EDMA_RX_BUF_LEN_DEFAULT; } static int wil_rx_init_edma(struct wil6210_priv *wil, u16 desc_ring_size) @@ -633,8 +634,7 @@ static int wil_rx_init_edma(struct wil6210_priv *wil, u16 desc_ring_size) wil_rx_buf_len_init_edma(wil); - max_rx_pl_per_desc = wil->rx_buf_len + ETH_HLEN + - WIL_EDMA_MAX_DATA_OFFSET; + max_rx_pl_per_desc = ALIGN(wil->rx_buf_len, 4); /* Use debugfs dbg_num_rx_srings if set, reserve one sring for TX */ if (wil->num_rx_status_rings > WIL6210_MAX_STATUS_RINGS - 1) @@ -869,8 +869,7 @@ static struct sk_buff *wil_sring_reap_rx_edma(struct wil6210_priv *wil, struct sk_buff *skb; dma_addr_t pa; struct wil_ring_rx_data *rxdata = &sring->rx_data; - unsigned int sz = wil->rx_buf_len + ETH_HLEN + - WIL_EDMA_MAX_DATA_OFFSET; + unsigned int sz = ALIGN(wil->rx_buf_len, 4); struct wil_net_stats *stats = NULL; u16 dmalen; int cid; diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h index 9fc51f79d75b..17c294b1ead1 100644 --- a/drivers/net/wireless/ath/wil6210/wil6210.h +++ b/drivers/net/wireless/ath/wil6210/wil6210.h @@ -302,6 +302,8 @@ struct RGF_ICR { #define BIT_DMA_ITR_RX_IDL_CNT_CTL_FOREVER BIT(2) #define BIT_DMA_ITR_RX_IDL_CNT_CTL_CLR BIT(3) #define BIT_DMA_ITR_RX_IDL_CNT_CTL_REACHED_TRESH BIT(4) +#define RGF_DMA_MISC_CTL (0x881d6c) + #define BIT_OFUL34_RDY_VALID_BUG_FIX_EN BIT(7) #define RGF_DMA_PSEUDO_CAUSE (0x881c68) #define RGF_DMA_PSEUDO_CAUSE_MASK_SW (0x881c6c) -- cgit v1.2.3-55-g7522 From a78613c08267107e3ffaa40290a269be79386fce Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Wed, 25 Jul 2018 14:53:40 -0500 Subject: ath9k: Remove unnecessary include of The ath9k driver doesn't need anything provided by pci-aspm.h, so remove the unnecessary include of it. Signed-off-by: Bjorn Helgaas Reviewed-by: Sinan Kaya Acked-by: Kalle Valo --- drivers/net/wireless/ath/ath9k/pci.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/net/wireless/ath') diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index 645f0fbd9179..92b2dd396436 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -18,7 +18,6 @@ #include #include -#include #include #include "ath9k.h" -- cgit v1.2.3-55-g7522