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authorArik Nemtsov <arik@wizery.com>2015-06-10 20:42:59 +0300
committerJohannes Berg <johannes.berg@intel.com>2015-07-17 16:38:11 +0300
commitb98fb44ffceeac717789e8f2fb3497e6b8c5c65b (patch)
treeee998972f041fa9bae44bbd94119a9d356a7b62e /net/mac80211/cfg.c
parent7584f88f9e30d36c2c1041831121f1cd3a194bf1 (diff)
downloadlinux-b98fb44ffceeac717789e8f2fb3497e6b8c5c65b.tar.xz
mac80211: define TDLS wider BW support bits
Allow a device to specify support for the TDLS wider-bandwidth feature. Indicate this support during TDLS setup in the ext-capab IE and set an appropriate station flag when our TDLS peer supports it. This feature gives TDLS peers the ability to use a wider channel than the base width of the BSS. For instance VHT capable TDLS peers connected on a 20MHz channel can extend the channel to 80MHz, if regulatory considerations allow it. Do not cap the bandwidth of such stations by the current BSS channel width in mac80211. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/cfg.c')
-rw-r--r--net/mac80211/cfg.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index b145942a7624..a32575bf0546 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -1155,6 +1155,12 @@ static int sta_apply_parameters(struct ieee80211_local *local,
params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
+ if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
+ ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
+ params->ext_capab_len >= 8 &&
+ params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
+ set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
+
if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
sta->sta.uapsd_queues = params->uapsd_queues;
sta->sta.max_sp = params->max_sp;