iwlwifi: mvm: don't mark TIDs that are not idle wrt BA as inactive

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

@@ -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. */