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From: Tariq Toukan <tariqt@nvidia.com>
To: Eric Dumazet <edumazet@google.com>,
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
	Andrew Lunn <andrew+netdev@lunn.ch>,
	"David S. Miller" <davem@davemloft.net>
Cc: Jay Vosburgh <jv@jvosburgh.net>,
	Saeed Mahameed <saeedm@nvidia.com>,
	"Tariq Toukan" <tariqt@nvidia.com>,
	Mark Bloch <mbloch@nvidia.com>, Leon Romanovsky <leon@kernel.org>,
	Heiner Kallweit <hkallweit1@gmail.com>, <netdev@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <linux-rdma@vger.kernel.org>,
	Gal Pressman <gal@nvidia.com>, Moshe Shemesh <moshe@nvidia.com>,
	Shahar Shitrit <shshitrit@nvidia.com>,
	Yael Chemla <ychemla@nvidia.com>,
	Dragos Tatulea <dtatulea@nvidia.com>,
	Maxime Chevallier <maxime.chevallier@bootlin.com>
Subject: [PATCH net-next V2 2/3] net/mlx5e: Add 1600Gbps link modes
Date: Wed, 19 Nov 2025 22:48:16 +0200	[thread overview]
Message-ID: <1763585297-1243980-3-git-send-email-tariqt@nvidia.com> (raw)
In-Reply-To: <1763585297-1243980-1-git-send-email-tariqt@nvidia.com>

From: Yael Chemla <ychemla@nvidia.com>

Introduce support for a 1600Gbps link mode, utilizing 8 lanes at 200Gbps
per lane.

Signed-off-by: Yael Chemla <ychemla@nvidia.com>
Reviewed-by: Shahar Shitrit <shshitrit@nvidia.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 5 +++++
 drivers/net/ethernet/mellanox/mlx5/core/port.c       | 1 +
 2 files changed, 6 insertions(+)

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,
-- 
2.31.1


  parent reply	other threads:[~2025-11-19 20:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-19 20:48 [PATCH net-next V2 0/3] net: Add 1600Gbps (1.6T) link mode support Tariq Toukan
2025-11-19 20:48 ` [PATCH net-next V2 1/3] net: ethtool: Add support for 1600Gbps speed Tariq Toukan
2025-11-20  8:23   ` Maxime Chevallier
2025-11-19 20:48 ` Tariq Toukan [this message]
2025-11-19 20:48 ` [PATCH net-next V2 3/3] bonding: 3ad: Add support for 1600G speed Tariq Toukan
2025-11-21  2:40 ` [PATCH net-next V2 0/3] net: Add 1600Gbps (1.6T) link mode support patchwork-bot+netdevbpf

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