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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /net/mac80211/tdls.c
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'net/mac80211/tdls.c')
-rw-r--r--net/mac80211/tdls.c21
1 files changed, 15 insertions, 6 deletions
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index 4e202d067..c9eeb3f12 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -41,9 +41,11 @@ static void ieee80211_tdls_add_ext_capab(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
struct ieee80211_local *local = sdata->local;
+ struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
bool chan_switch = local->hw.wiphy->features &
NL80211_FEATURE_TDLS_CHANNEL_SWITCH;
- bool wider_band = ieee80211_hw_check(&local->hw, TDLS_WIDER_BW);
+ bool wider_band = ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
+ !ifmgd->tdls_wider_bw_prohibited;
enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
struct ieee80211_supported_band *sband = local->hw.wiphy->bands[band];
bool vht = sband && sband->vht_cap.vht_supported;
@@ -331,8 +333,8 @@ ieee80211_tdls_chandef_vht_upgrade(struct ieee80211_sub_if_data *sdata,
/* proceed to downgrade the chandef until usable or the same */
while (uc.width > max_width &&
- !cfg80211_reg_can_beacon(sdata->local->hw.wiphy,
- &uc, sdata->wdev.iftype))
+ !cfg80211_reg_can_beacon_relax(sdata->local->hw.wiphy, &uc,
+ sdata->wdev.iftype))
ieee80211_chandef_downgrade(&uc);
if (!cfg80211_chandef_identical(&uc, &sta->tdls_chandef)) {
@@ -589,12 +591,19 @@ ieee80211_tdls_add_setup_cfm_ies(struct ieee80211_sub_if_data *sdata,
offset = noffset;
}
- /* if HT support is only added in TDLS, we need an HT-operation IE */
+ /*
+ * if HT support is only added in TDLS, we need an HT-operation IE.
+ * add the IE as required by IEEE802.11-2012 9.23.3.2.
+ */
if (!ap_sta->sta.ht_cap.ht_supported && sta->sta.ht_cap.ht_supported) {
+ u16 prot = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED |
+ IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT |
+ IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT;
+
pos = skb_put(skb, 2 + sizeof(struct ieee80211_ht_operation));
- /* send an empty HT operation IE */
ieee80211_ie_build_ht_oper(pos, &sta->sta.ht_cap,
- &sdata->vif.bss_conf.chandef, 0);
+ &sdata->vif.bss_conf.chandef, prot,
+ true);
}
ieee80211_tdls_add_link_ie(sdata, skb, peer, initiator);