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net/mlx5e: Set local Xoff after FW update

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[ Upstream commit aca0c31af61e0d5cf1675a0cbd29460b95ae693c ]

The local Xoff value is being set before the firmware (FW) update.
In case of a failure where the FW is not updated with the new value,
there is no fallback to the previous value.
Update the local Xoff value after the FW has been successfully set.

Fixes: 0696d60853 ("net/mlx5e: Receive buffer configuration")
Signed-off-by: Alexei Lazar <alazar@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Dragos Tatulea <dtatulea@nvidia.com>
Signed-off-by: Mark Bloch <mbloch@nvidia.com>
Link: https://patch.msgid.link/20250825143435.598584-12-mbloch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Alexei Lazar 2025-08-25 17:34:34 +03:00 • committed by Greg Kroah-Hartman
commit 8472b9d893
1 changed files with 2 additions and 1 deletions
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3
drivers/net/ethernet/mellanox/mlx5/core/en/port_buffer.c
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@ -341,7 +341,6 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
if (err)
return err;
}
priv->dcbx.xoff = xoff;
/* Apply the settings */
if (update_buffer) {
@ -350,6 +349,8 @@ int mlx5e_port_manual_buffer_config(struct mlx5e_priv *priv,
return err;
}
priv->dcbx.xoff = xoff;
if (update_prio2buffer)
err = mlx5e_port_set_priority2buffer(priv->mdev, prio2buffer);