linux-kernel - [PATCH net-next 8/8] net/mlx5: Add HWS as secondary steering mode

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Message-ID: <20250619115522.68469-9-mbloch@nvidia.com>
Date: Thu, 19 Jun 2025 14:55:22 +0300
From: Mark Bloch <mbloch@...dia.com>
To: "David S. Miller" <davem@...emloft.net>, Jakub Kicinski <kuba@...nel.org>,
	Paolo Abeni <pabeni@...hat.com>, Eric Dumazet <edumazet@...gle.com>, "Andrew
 Lunn" <andrew+netdev@...n.ch>, Simon Horman <horms@...nel.org>
CC: <saeedm@...dia.com>, <gal@...dia.com>, <leonro@...dia.com>,
	<tariqt@...dia.com>, Leon Romanovsky <leon@...nel.org>, Jonathan Corbet
	<corbet@....net>, <netdev@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>, Moshe Shemesh
	<moshe@...dia.com>, Yevgeny Kliteynik <kliteyn@...dia.com>, Mark Bloch
	<mbloch@...dia.com>
Subject: [PATCH net-next 8/8] net/mlx5: Add HWS as secondary steering mode

From: Moshe Shemesh <moshe@...dia.com>

Add HW Steering (HWS) as a secondary option for device steering mode. If
the device does not support SW Steering (SWS), HW Steering will be used
as the default, provided it is supported. FW Steering will now be
selected as the default only if both HWS and SWS are unavailable.

Signed-off-by: Moshe Shemesh <moshe@...dia.com>
Reviewed-by: Yevgeny Kliteynik <kliteyn@...dia.com>
Signed-off-by: Mark Bloch <mbloch@...dia.com>
---
 drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index a8046200d376..f30fc793e1fb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -3919,6 +3919,8 @@ int mlx5_fs_core_alloc(struct mlx5_core_dev *dev)
 
 	if (mlx5_fs_dr_is_supported(dev))
 		steering->mode = MLX5_FLOW_STEERING_MODE_SMFS;
+	else if (mlx5_fs_hws_is_supported(dev))
+		steering->mode = MLX5_FLOW_STEERING_MODE_HMFS;
 	else
 		steering->mode = MLX5_FLOW_STEERING_MODE_DMFS;
 
-- 
2.34.1