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>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 64e89e89140c..5aedf9dbf23c 100644
--- 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;
 }