iwlwifi: mvm: don't mark TIDs that are not idle wrt BA as inactive
authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Sun, 7 May 2017 10:31:55 +0000 (13:31 +0300)
committerLuca Coelho <luciano.coelho@intel.com>
Fri, 23 Jun 2017 09:06:39 +0000 (12:06 +0300)
A TID may not have traffic but still have a BA agreement
active (or being setup / torn down) since a BA agreement
can be triggered by a debugfs hook.
Just avoid to consider such a TID as inactive to make the
logic safer.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
drivers/net/wireless/intel/iwlwifi/mvm/utils.c

index e7cc8e0..8ba8b71 100644 (file)
@@ -1215,6 +1215,10 @@ static void iwl_mvm_remove_inactive_tids(struct iwl_mvm *mvm,
                /* If some TFDs are still queued - don't mark TID as inactive */
                if (iwl_mvm_tid_queued(mvm, &mvmsta->tid_data[tid]))
                        tid_bitmap &= ~BIT(tid);
+
+               /* Don't mark as inactive any TID that has an active BA */
+               if (mvmsta->tid_data[tid].state != IWL_AGG_OFF)
+                       tid_bitmap &= ~BIT(tid);
        }
 
        /* If all TIDs in the queue are inactive - mark queue as inactive. */