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path: root/drivers/net/wireless/ath/ath10k/mac.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/mac.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/mac.c140
1 files changed, 122 insertions, 18 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 4040f9413e86..fb8e38df9446 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -62,6 +62,32 @@ static struct ieee80211_rate ath10k_rates[] = {
{ .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M },
};
+static struct ieee80211_rate ath10k_rates_rev2[] = {
+ { .bitrate = 10,
+ .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_1M },
+ { .bitrate = 20,
+ .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_2M,
+ .hw_value_short = ATH10K_HW_RATE_REV2_CCK_SP_2M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 55,
+ .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_5_5M,
+ .hw_value_short = ATH10K_HW_RATE_REV2_CCK_SP_5_5M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+ { .bitrate = 110,
+ .hw_value = ATH10K_HW_RATE_REV2_CCK_LP_11M,
+ .hw_value_short = ATH10K_HW_RATE_REV2_CCK_SP_11M,
+ .flags = IEEE80211_RATE_SHORT_PREAMBLE },
+
+ { .bitrate = 60, .hw_value = ATH10K_HW_RATE_OFDM_6M },
+ { .bitrate = 90, .hw_value = ATH10K_HW_RATE_OFDM_9M },
+ { .bitrate = 120, .hw_value = ATH10K_HW_RATE_OFDM_12M },
+ { .bitrate = 180, .hw_value = ATH10K_HW_RATE_OFDM_18M },
+ { .bitrate = 240, .hw_value = ATH10K_HW_RATE_OFDM_24M },
+ { .bitrate = 360, .hw_value = ATH10K_HW_RATE_OFDM_36M },
+ { .bitrate = 480, .hw_value = ATH10K_HW_RATE_OFDM_48M },
+ { .bitrate = 540, .hw_value = ATH10K_HW_RATE_OFDM_54M },
+};
+
#define ATH10K_MAC_FIRST_OFDM_RATE_IDX 4
#define ath10k_a_rates (ath10k_rates + ATH10K_MAC_FIRST_OFDM_RATE_IDX)
@@ -70,6 +96,9 @@ static struct ieee80211_rate ath10k_rates[] = {
#define ath10k_g_rates (ath10k_rates + 0)
#define ath10k_g_rates_size (ARRAY_SIZE(ath10k_rates))
+#define ath10k_g_rates_rev2 (ath10k_rates_rev2 + 0)
+#define ath10k_g_rates_rev2_size (ARRAY_SIZE(ath10k_rates_rev2))
+
static bool ath10k_mac_bitrate_is_cck(int bitrate)
{
switch (bitrate) {
@@ -773,6 +802,7 @@ static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
{
struct ath10k_peer *peer, *tmp;
int peer_id;
+ int i;
lockdep_assert_held(&ar->conf_mutex);
@@ -789,6 +819,17 @@ static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
ar->peer_map[peer_id] = NULL;
}
+ /* Double check that peer is properly un-referenced from
+ * the peer_map
+ */
+ for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++) {
+ if (ar->peer_map[i] == peer) {
+ ath10k_warn(ar, "removing stale peer_map entry for %pM (ptr %p idx %d)\n",
+ peer->addr, peer, i);
+ ar->peer_map[i] = NULL;
+ }
+ }
+
list_del(&peer->list);
kfree(peer);
ar->num_peers--;
@@ -799,6 +840,7 @@ static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
static void ath10k_peer_cleanup_all(struct ath10k *ar)
{
struct ath10k_peer *peer, *tmp;
+ int i;
lockdep_assert_held(&ar->conf_mutex);
@@ -807,6 +849,10 @@ static void ath10k_peer_cleanup_all(struct ath10k *ar)
list_del(&peer->list);
kfree(peer);
}
+
+ for (i = 0; i < ARRAY_SIZE(ar->peer_map); i++)
+ ar->peer_map[i] = NULL;
+
spin_unlock_bh(&ar->data_lock);
ar->num_peers = 0;
@@ -2910,7 +2956,7 @@ static int ath10k_update_channel_list(struct ath10k *ar)
if (channel->flags & IEEE80211_CHAN_DISABLED)
continue;
- ch->allow_ht = true;
+ ch->allow_ht = true;
/* FIXME: when should we really allow VHT? */
ch->allow_vht = true;
@@ -3646,17 +3692,18 @@ void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
static void ath10k_mac_txq_init(struct ieee80211_txq *txq)
{
- struct ath10k_txq *artxq = (void *)txq->drv_priv;
+ struct ath10k_txq *artxq;
if (!txq)
return;
+ artxq = (void *)txq->drv_priv;
INIT_LIST_HEAD(&artxq->list);
}
static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
{
- struct ath10k_txq *artxq = (void *)txq->drv_priv;
+ struct ath10k_txq *artxq;
struct ath10k_skb_cb *cb;
struct sk_buff *msdu;
int msdu_id;
@@ -3664,6 +3711,7 @@ static void ath10k_mac_txq_unref(struct ath10k *ar, struct ieee80211_txq *txq)
if (!txq)
return;
+ artxq = (void *)txq->drv_priv;
spin_lock_bh(&ar->txqs_lock);
if (!list_empty(&artxq->list))
list_del_init(&artxq->list);
@@ -3781,6 +3829,9 @@ void ath10k_mac_tx_push_pending(struct ath10k *ar)
int ret;
int max;
+ if (ar->htt.num_pending_tx >= (ar->htt.max_num_pending_tx / 2))
+ return;
+
spin_lock_bh(&ar->txqs_lock);
rcu_read_lock();
@@ -3826,12 +3877,16 @@ void __ath10k_scan_finish(struct ath10k *ar)
break;
case ATH10K_SCAN_RUNNING:
case ATH10K_SCAN_ABORTING:
- if (!ar->scan.is_roc)
- ieee80211_scan_completed(ar->hw,
- (ar->scan.state ==
- ATH10K_SCAN_ABORTING));
- else if (ar->scan.roc_notify)
+ if (!ar->scan.is_roc) {
+ struct cfg80211_scan_info info = {
+ .aborted = (ar->scan.state ==
+ ATH10K_SCAN_ABORTING),
+ };
+
+ ieee80211_scan_completed(ar->hw, &info);
+ } else if (ar->scan.roc_notify) {
ieee80211_remain_on_channel_expired(ar->hw);
+ }
/* fall through */
case ATH10K_SCAN_STARTING:
ar->scan.state = ATH10K_SCAN_IDLE;
@@ -4051,9 +4106,7 @@ static void ath10k_mac_op_wake_tx_queue(struct ieee80211_hw *hw,
list_add_tail(&artxq->list, &ar->txqs);
spin_unlock_bh(&ar->txqs_lock);
- if (ath10k_mac_tx_can_push(hw, txq))
- tasklet_schedule(&ar->htt.txrx_compl_task);
-
+ ath10k_mac_tx_push_pending(ar);
ath10k_htt_tx_txq_update(hw, txq);
}
@@ -4194,6 +4247,9 @@ static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << (i * 2);
}
+ if (ar->cfg_tx_chainmask <= 1)
+ vht_cap.cap &= ~IEEE80211_VHT_CAP_TXSTBC;
+
vht_cap.vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
vht_cap.vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
@@ -4231,7 +4287,7 @@ static struct ieee80211_sta_ht_cap ath10k_get_ht_cap(struct ath10k *ar)
ht_cap.cap |= smps;
}
- if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC)
+ if (ar->ht_cap_info & WMI_HT_CAP_TX_STBC && (ar->cfg_tx_chainmask > 1))
ht_cap.cap |= IEEE80211_HT_CAP_TX_STBC;
if (ar->ht_cap_info & WMI_HT_CAP_RX_STBC) {
@@ -4467,6 +4523,19 @@ static int ath10k_start(struct ieee80211_hw *hw)
}
}
+ param = ar->wmi.pdev_param->enable_btcoex;
+ if (test_bit(WMI_SERVICE_COEX_GPIO, ar->wmi.svc_map) &&
+ test_bit(ATH10K_FW_FEATURE_BTCOEX_PARAM,
+ ar->running_fw->fw_file.fw_features)) {
+ ret = ath10k_wmi_pdev_set_param(ar, param, 0);
+ if (ret) {
+ ath10k_warn(ar,
+ "failed to set btcoex param: %d\n", ret);
+ goto err_core_stop;
+ }
+ clear_bit(ATH10K_FLAG_BTCOEX, &ar->dev_flags);
+ }
+
ar->num_started_vdevs = 0;
ath10k_regd_update(ar);
@@ -5932,9 +6001,17 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
continue;
if (peer->sta == sta) {
- ath10k_warn(ar, "found sta peer %pM entry on vdev %i after it was supposedly removed\n",
- sta->addr, arvif->vdev_id);
+ ath10k_warn(ar, "found sta peer %pM (ptr %p id %d) entry on vdev %i after it was supposedly removed\n",
+ sta->addr, peer, i, arvif->vdev_id);
peer->sta = NULL;
+
+ /* Clean up the peer object as well since we
+ * must have failed to do this above.
+ */
+ list_del(&peer->list);
+ ar->peer_map[i] = NULL;
+ kfree(peer);
+ ar->num_peers--;
}
}
spin_unlock_bh(&ar->data_lock);
@@ -7359,6 +7436,7 @@ static const struct ieee80211_ops ath10k_ops = {
#endif
#ifdef CONFIG_MAC80211_DEBUGFS
.sta_add_debugfs = ath10k_sta_add_debugfs,
+ .sta_statistics = ath10k_sta_statistics,
#endif
};
@@ -7428,21 +7506,32 @@ static const struct ieee80211_channel ath10k_5ghz_channels[] = {
struct ath10k *ath10k_mac_create(size_t priv_size)
{
struct ieee80211_hw *hw;
+ struct ieee80211_ops *ops;
struct ath10k *ar;
- hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, &ath10k_ops);
- if (!hw)
+ ops = kmemdup(&ath10k_ops, sizeof(ath10k_ops), GFP_KERNEL);
+ if (!ops)
return NULL;
+ hw = ieee80211_alloc_hw(sizeof(struct ath10k) + priv_size, ops);
+ if (!hw) {
+ kfree(ops);
+ return NULL;
+ }
+
ar = hw->priv;
ar->hw = hw;
+ ar->ops = ops;
return ar;
}
void ath10k_mac_destroy(struct ath10k *ar)
{
+ struct ieee80211_ops *ops = ar->ops;
+
ieee80211_free_hw(ar->hw);
+ kfree(ops);
}
static const struct ieee80211_iface_limit ath10k_if_limits[] = {
@@ -7695,8 +7784,14 @@ int ath10k_mac_register(struct ath10k *ar)
band = &ar->mac.sbands[NL80211_BAND_2GHZ];
band->n_channels = ARRAY_SIZE(ath10k_2ghz_channels);
band->channels = channels;
- band->n_bitrates = ath10k_g_rates_size;
- band->bitrates = ath10k_g_rates;
+
+ if (ar->hw_params.cck_rate_map_rev2) {
+ band->n_bitrates = ath10k_g_rates_rev2_size;
+ band->bitrates = ath10k_g_rates_rev2;
+ } else {
+ band->n_bitrates = ath10k_g_rates_size;
+ band->bitrates = ath10k_g_rates;
+ }
ar->hw->wiphy->bands[NL80211_BAND_2GHZ] = band;
}
@@ -7870,6 +7965,15 @@ int ath10k_mac_register(struct ath10k *ar)
ath10k_warn(ar, "failed to initialise DFS pattern detector\n");
}
+ /* Current wake_tx_queue implementation imposes a significant
+ * performance penalty in some setups. The tx scheduling code needs
+ * more work anyway so disable the wake_tx_queue unless firmware
+ * supports the pull-push mechanism.
+ */
+ if (!test_bit(ATH10K_FW_FEATURE_PEER_FLOW_CONTROL,
+ ar->running_fw->fw_file.fw_features))
+ ar->ops->wake_tx_queue = NULL;
+
ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
ath10k_reg_notifier);
if (ret) {