net/mlx5: Introduce physical port TC/prio access functions

Add access functions to set and query a physical port TC groups
and prio parameters.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 02adc67..a815da9 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -99,6 +99,8 @@
 };
 
 enum {
+	MLX5_REG_QETCR		 = 0x4005,
+	MLX5_REG_QTCT		 = 0x400a,
 	MLX5_REG_PCAP		 = 0x5001,
 	MLX5_REG_PMTU		 = 0x5003,
 	MLX5_REG_PTYS		 = 0x5004,