iwlwifi: mvm: handle RX MPDUs separately

There's no need to forward RX MPDUs to notification wait tests, nor
do we need to check them for firmware dump triggers, nor could they
be asynchronous. It's thus more efficient to handle them separately,
before going into the regular RX handlers.
Signed-off-by: NJohannes Berg <johannes.berg@intel.com>
Signed-off-by: NEmmanuel Grumbach <emmanuel.grumbach@intel.com>

drivers/net/wireless/iwlwifi/mvm/ops.c

@@ -221,7 +221,6 @@ struct iwl_rx_handlers {
  * called from a worker with mvm->mutex held.
  */
 static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = {
-	RX_HANDLER(REPLY_RX_MPDU_CMD, iwl_mvm_rx_rx_mpdu, false),
 	RX_HANDLER(REPLY_RX_PHY_CMD, iwl_mvm_rx_rx_phy_cmd, false),
 	RX_HANDLER(TX_CMD, iwl_mvm_rx_tx_cmd, false),
 	RX_HANDLER(BA_NOTIF, iwl_mvm_rx_ba_notif, false),
@@ -716,6 +715,9 @@ static int iwl_mvm_rx_dispatch(struct iwl_op_mode *op_mode,
 	struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);
 	u8 i;
 
+	if (likely(pkt->hdr.cmd == REPLY_RX_MPDU_CMD))
+		return iwl_mvm_rx_rx_mpdu(mvm, rxb, cmd);
+
 	iwl_mvm_rx_check_trigger(mvm, pkt);
 
 	/*