diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 727d7a833110..fe67c73849f9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -261,6 +261,11 @@ void mlx5e_build_ptys2ethtool_map(void)
 				       ETHTOOL_LINK_MODE_800000baseDR4_2_Full_BIT,
 				       ETHTOOL_LINK_MODE_800000baseSR4_Full_BIT,
 				       ETHTOOL_LINK_MODE_800000baseVR4_Full_BIT);
+	MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_1600TAUI_8_1600TBASE_CR8_KR8, ext,
+				       ETHTOOL_LINK_MODE_1600000baseCR8_Full_BIT,
+				       ETHTOOL_LINK_MODE_1600000baseKR8_Full_BIT,
+				       ETHTOOL_LINK_MODE_1600000baseDR8_Full_BIT,
+				       ETHTOOL_LINK_MODE_1600000baseDR8_2_Full_BIT);
 }
 
 static void mlx5e_ethtool_get_speed_arr(bool ext,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/port.c b/drivers/net/ethernet/mellanox/mlx5/core/port.c
index e4b1dfafb41f..85a9e534f442 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/port.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/port.c
@@ -1108,6 +1108,7 @@ mlx5e_ext_link_info[MLX5E_EXT_LINK_MODES_NUMBER] = {
 	[MLX5E_200GAUI_1_200GBASE_CR1_KR1]	= {.speed = 200000, .lanes = 1},
 	[MLX5E_400GAUI_2_400GBASE_CR2_KR2]	= {.speed = 400000, .lanes = 2},
 	[MLX5E_800GAUI_4_800GBASE_CR4_KR4]	= {.speed = 800000, .lanes = 4},
+	[MLX5E_1600TAUI_8_1600TBASE_CR8_KR8]	= {.speed = 1600000, .lanes = 8},
 };
 
 int mlx5_port_query_eth_proto(struct mlx5_core_dev *dev, u8 port, bool ext,