diff options
| author | Avinash Patil | 2014-11-13 17:24:15 +0100 |
|---|---|---|
| committer | John W. Linville | 2014-11-17 21:32:14 +0100 |
| commit | 16fa5e659f3c3b2a5edfd0a40fc8d0116d9cd52b (patch) | |
| tree | 3410c00547085d6c440d388f2033da68bc289d88 | |
| parent | mwifiex: do not explicitly disable TDLS link during teardown (diff) | |
| download | kernel-qcow2-linux-16fa5e659f3c3b2a5edfd0a40fc8d0116d9cd52b.tar.gz kernel-qcow2-linux-16fa5e659f3c3b2a5edfd0a40fc8d0116d9cd52b.tar.xz kernel-qcow2-linux-16fa5e659f3c3b2a5edfd0a40fc8d0116d9cd52b.zip | |
mwifiex: wmm support for TDLS link
This patch adds WMM support for TDLS link. Patch
add WMM info IE for TDLS setup request/response frames
while WMM parameter for TDLS confirm frame.
Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Cathy Luo <cluo@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/mwifiex/tdls.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/tdls.c b/drivers/net/wireless/mwifiex/tdls.c index e2949077f5b5..93a492f5fa45 100644 --- a/drivers/net/wireless/mwifiex/tdls.c +++ b/drivers/net/wireless/mwifiex/tdls.c @@ -24,6 +24,7 @@ #define TDLS_REQ_FIX_LEN 6 #define TDLS_RESP_FIX_LEN 8 #define TDLS_CONFIRM_FIX_LEN 6 +#define MWIFIEX_TDLS_WMM_INFO_SIZE 7 static void mwifiex_restore_tdls_packets(struct mwifiex_private *priv, const u8 *mac, u8 status) @@ -367,6 +368,55 @@ static void mwifiex_tdls_add_qos_capab(struct sk_buff *skb) *pos++ = MWIFIEX_TDLS_DEF_QOS_CAPAB; } +static void +mwifiex_tdls_add_wmm_param_ie(struct mwifiex_private *priv, struct sk_buff *skb) +{ + struct ieee80211_wmm_param_ie *wmm; + u8 ac_vi[] = {0x42, 0x43, 0x5e, 0x00}; + u8 ac_vo[] = {0x62, 0x32, 0x2f, 0x00}; + u8 ac_be[] = {0x03, 0xa4, 0x00, 0x00}; + u8 ac_bk[] = {0x27, 0xa4, 0x00, 0x00}; + + wmm = (void *)skb_put(skb, sizeof(*wmm)); + memset(wmm, 0, sizeof(*wmm)); + + wmm->element_id = WLAN_EID_VENDOR_SPECIFIC; + wmm->len = sizeof(*wmm) - 2; + wmm->oui[0] = 0x00; /* Microsoft OUI 00:50:F2 */ + wmm->oui[1] = 0x50; + wmm->oui[2] = 0xf2; + wmm->oui_type = 2; /* WME */ + wmm->oui_subtype = 1; /* WME param */ + wmm->version = 1; /* WME ver */ + wmm->qos_info = 0; /* U-APSD not in use */ + + /* use default WMM AC parameters for TDLS link*/ + memcpy(&wmm->ac[0], ac_be, sizeof(ac_be)); + memcpy(&wmm->ac[1], ac_bk, sizeof(ac_bk)); + memcpy(&wmm->ac[2], ac_vi, sizeof(ac_vi)); + memcpy(&wmm->ac[3], ac_vo, sizeof(ac_vo)); +} + +static void +mwifiex_add_wmm_info_ie(struct mwifiex_private *priv, struct sk_buff *skb, + u8 qosinfo) +{ + u8 *buf; + + buf = (void *)skb_put(skb, MWIFIEX_TDLS_WMM_INFO_SIZE + + sizeof(struct ieee_types_header)); + + *buf++ = WLAN_EID_VENDOR_SPECIFIC; + *buf++ = 7; /* len */ + *buf++ = 0x00; /* Microsoft OUI 00:50:F2 */ + *buf++ = 0x50; + *buf++ = 0xf2; + *buf++ = 2; /* WME */ + *buf++ = 0; /* WME info */ + *buf++ = 1; /* WME ver */ + *buf++ = qosinfo; /* U-APSD no in use */ +} + static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv, const u8 *peer, u8 action_code, u8 dialog_token, @@ -421,6 +471,7 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv, mwifiex_tdls_add_ext_capab(priv, skb); mwifiex_tdls_add_qos_capab(skb); + mwifiex_add_wmm_info_ie(priv, skb, 0); break; case WLAN_TDLS_SETUP_RESPONSE: @@ -458,6 +509,7 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv, mwifiex_tdls_add_ext_capab(priv, skb); mwifiex_tdls_add_qos_capab(skb); + mwifiex_add_wmm_info_ie(priv, skb, 0); break; case WLAN_TDLS_SETUP_CONFIRM: @@ -466,6 +518,8 @@ static int mwifiex_prep_tdls_encap_data(struct mwifiex_private *priv, skb_put(skb, sizeof(tf->u.setup_cfm)); tf->u.setup_cfm.status_code = cpu_to_le16(status_code); tf->u.setup_cfm.dialog_token = dialog_token; + + mwifiex_tdls_add_wmm_param_ie(priv, skb); if (priv->adapter->is_hw_11ac_capable) { ret = mwifiex_tdls_add_vht_oper(priv, peer, skb); if (ret) { @@ -544,6 +598,7 @@ int mwifiex_send_tdls_data_frame(struct mwifiex_private *priv, const u8 *peer, sizeof(struct ieee_types_bss_co_2040) + sizeof(struct ieee80211_ht_operation) + sizeof(struct ieee80211_tdls_lnkie) + + sizeof(struct ieee80211_wmm_param_ie) + extra_ies_len; if (priv->adapter->is_hw_11ac_capable) |