iwlwifi: mvm: block TID when using TDLS

Block TID 4 (VI) on a vif when using TDLS. This TID will be used by FW
for TDLS channel-switch requests and PTI requests.

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

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 64e89e8..5aedf9d 100644 (file)
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -2186,6 +2186,15 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
  out_unlock:
        mutex_unlock(&mvm->mutex);
 
+       if (sta->tdls && ret == 0) {
+               if (old_state == IEEE80211_STA_NOTEXIST &&
+                   new_state == IEEE80211_STA_NONE)
+                       ieee80211_reserve_tid(sta, IWL_MVM_TDLS_FW_TID);
+               else if (old_state == IEEE80211_STA_NONE &&
+                        new_state == IEEE80211_STA_NOTEXIST)
+                       ieee80211_unreserve_tid(sta, IWL_MVM_TDLS_FW_TID);
+       }
+
        return ret;
 }