diff options
Diffstat (limited to 'net/mac80211/tdls.c')
| -rw-r--r-- | net/mac80211/tdls.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index 4e202d0679b2..c9eeb3f12808 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); |