net/mlx5: Expose bits for local loopback counter

Add needed HW bits for querying local loopback counter and the
HCA capability for it.

Signed-off-by: Or Har-Toov <ohartoov@nvidia.com>
Reviewed-by: Avihai Horon <avihaih@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

include/linux/mlx5/mlx5_ifc.h

@@ -1758,7 +1758,7 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8         reserved_at_330[0x6];
 	u8         pci_sync_for_fw_update_with_driver_unload[0x1];
 	u8         vnic_env_cnt_steering_fail[0x1];
-	u8         reserved_at_338[0x1];
+	u8         vport_counter_local_loopback[0x1];
 	u8         q_counter_aggregation[0x1];
 	u8         q_counter_other_vport[0x1];
 	u8         log_max_xrcd[0x5];
@@ -5190,7 +5190,9 @@ struct mlx5_ifc_query_vport_counter_out_bits {
 
 	struct mlx5_ifc_traffic_counter_bits transmitted_eth_multicast;
 
-	u8         reserved_at_680[0xa00];
+	struct mlx5_ifc_traffic_counter_bits local_loopback;
+
+	u8         reserved_at_700[0x980];
 };
 
 enum {