net/mlx5e: Add support for 800Gbps link modes

Add support for 800Gbps speed, link modes of 100Gbps per lane.
Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://lore.kernel.org/r/20240402133043.56322-9-tariqt@nvidia.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c

@@ -219,6 +219,13 @@ void mlx5e_build_ptys2ethtool_map(void)
 				       ETHTOOL_LINK_MODE_400000baseLR4_ER4_FR4_Full_BIT,
 				       ETHTOOL_LINK_MODE_400000baseDR4_Full_BIT,
 				       ETHTOOL_LINK_MODE_400000baseCR4_Full_BIT);
+	MLX5_BUILD_PTYS2ETHTOOL_CONFIG(MLX5E_800GAUI_8_800GBASE_CR8_KR8, ext,
+				       ETHTOOL_LINK_MODE_800000baseCR8_Full_BIT,
+				       ETHTOOL_LINK_MODE_800000baseKR8_Full_BIT,
+				       ETHTOOL_LINK_MODE_800000baseDR8_Full_BIT,
+				       ETHTOOL_LINK_MODE_800000baseDR8_2_Full_BIT,
+				       ETHTOOL_LINK_MODE_800000baseSR8_Full_BIT,
+				       ETHTOOL_LINK_MODE_800000baseVR8_Full_BIT);
 }
 
 static void mlx5e_ethtool_get_speed_arr(struct mlx5_core_dev *mdev,