--- zzzz-none-000/linux-4.9.276/drivers/net/ethernet/mellanox/mlx4/en_netdev.c	2021-07-20 14:21:16.000000000 +0000
+++ falcon-5530-750/linux-4.9.276/drivers/net/ethernet/mellanox/mlx4/en_netdev.c	2023-04-05 08:19:01.000000000 +0000
@@ -89,7 +89,9 @@
 	if (tc->type != TC_SETUP_MQPRIO)
 		return -EINVAL;
 
-	return mlx4_en_setup_tc(dev, tc->tc);
+	tc->mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
+
+	return mlx4_en_setup_tc(dev, tc->mqprio->num_tc);
 }
 
 #ifdef CONFIG_RFS_ACCEL