From: Arik Nemtsov <arik@wizery.com>
Date: Thu, 17 Jul 2014 14:14:28 +0000 (+0300)
Subject: mac80211: disable VHT for TDLS
X-Git-Tag: v3.17-rc1~106^2~73^2~18^2~9
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=bed766bd4cea6413df73e8a314ebf40dd6a920f8;p=karo-tx-linux.git

mac80211: disable VHT for TDLS

TDLS VHT support requires some more information elements during setup.
While these are not there, mask out the peer's VHT capabilities so that
VHT rates are not mistakenly used.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
---

diff --git a/net/mac80211/vht.c b/net/mac80211/vht.c
index 9265adfdabfc..671ce0d27a80 100644
--- a/net/mac80211/vht.c
+++ b/net/mac80211/vht.c
@@ -129,6 +129,10 @@ ieee80211_vht_cap_ie_to_sta_vht_cap(struct ieee80211_sub_if_data *sdata,
 	if (!vht_cap_ie || !sband->vht_cap.vht_supported)
 		return;
 
+	/* don't support VHT for TDLS peers for now */
+	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER))
+		return;
+
 	/*
 	 * A VHT STA must support 40 MHz, but if we verify that here
 	 * then we break a few things - some APs (e.g. Netgear R6300v2