diff options
| -rw-r--r-- | net/mac80211/mlme.c | 26 | ||||
| -rw-r--r-- | net/mac80211/tdls.c | 6 |
2 files changed, 32 insertions, 0 deletions
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 3294666f599c..387fe70ab126 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1098,6 +1098,24 @@ static void ieee80211_chswitch_timer(unsigned long data) ieee80211_queue_work(&sdata->local->hw, &sdata->u.mgd.chswitch_work); } +static void ieee80211_teardown_tdls_peers(struct ieee80211_sub_if_data *sdata) +{ + struct sta_info *sta; + u16 reason = WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED; + + rcu_read_lock(); + list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) { + if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded || + !test_sta_flag(sta, WLAN_STA_AUTHORIZED)) + continue; + + ieee80211_tdls_oper_request(&sdata->vif, sta->sta.addr, + NL80211_TDLS_TEARDOWN, reason, + GFP_ATOMIC); + } + rcu_read_unlock(); +} + static void ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, u64 timestamp, u32 device_timestamp, @@ -1161,6 +1179,14 @@ ieee80211_sta_process_chanswitch(struct ieee80211_sub_if_data *sdata, return; } + /* + * Drop all TDLS peers - either we disconnect or move to a different + * channel from this point on. There's no telling what our peer will do. + * The TDLS WIDER_BW scenario is also problematic, as peers might now + * have an incompatible wider chandef. + */ + ieee80211_teardown_tdls_peers(sdata); + mutex_lock(&local->mtx); mutex_lock(&local->chanctx_mtx); conf = rcu_dereference_protected(sdata->vif.chanctx_conf, diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c index 8a92a920ff17..75e8e3bba538 100644 --- a/net/mac80211/tdls.c +++ b/net/mac80211/tdls.c @@ -1183,6 +1183,12 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, switch (oper) { case NL80211_TDLS_ENABLE_LINK: + if (sdata->vif.csa_active) { + tdls_dbg(sdata, "TDLS: disallow link during CSA\n"); + ret = -EBUSY; + break; + } + rcu_read_lock(); sta = sta_info_get(sdata, peer); if (!sta) { |