iwlwifi: add wait for tx queue empty
Now that we have 512 queues, add a wait for single TX
queue to gen2.
This replaces gen1 wait_tx_queues_empty, which was limited
to 32 queues.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index f4437d5..50510e9 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -3995,6 +3995,8 @@ static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
IWL_ERR(mvm, "flush request fail\n");
} else {
msk |= mvmsta->tfd_queue_msk;
+ if (iwl_mvm_has_new_tx_api(mvm))
+ iwl_mvm_wait_sta_queues_empty(mvm, mvmsta);
}
}
@@ -4003,7 +4005,7 @@ static void iwl_mvm_mac_flush(struct ieee80211_hw *hw,
/* this can take a while, and we may need/want other operations
* to succeed while doing this, so do it without the mutex held
*/
- if (!drop)
+ if (!drop && !iwl_mvm_has_new_tx_api(mvm))
iwl_trans_wait_tx_queues_empty(mvm->trans, msk);
}