Commit d1ac3393 authored by Carolina Jubran's avatar Carolina Jubran Committed by Jakub Kicinski
Browse files

net/mlx5e: Disable loopback self-test on multi-PF netdev 



In Multi-PF (Socket Direct) configurations, when a loopback packet is
sent through one of the secondary devices, it will always be received
on the primary device. This causes the loopback layer to fail in
identifying the loopback packet as the devices are different.

To avoid false test failures, disable the loopback self-test in
Multi-PF configurations.

Fixes: ed29705e ("net/mlx5: Enable SD feature")
Signed-off-by: default avatarCarolina Jubran <cjubran@nvidia.com>
Signed-off-by: default avatarTariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20241107183527.676877-8-tariqt@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent e99c6873

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

+4 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ 
#include "en.h"

#include "en/port.h"

#include "eswitch.h"

#include "lib/mlx5.h"



static int mlx5e_test_health_info(struct mlx5e_priv *priv)

{
@@ -247,6 +248,9 @@ static int mlx5e_cond_loopback(struct mlx5e_priv *priv) 
	if (is_mdev_switchdev_mode(priv->mdev))

		return -EOPNOTSUPP;



	if (mlx5_get_sd(priv->mdev))

		return -EOPNOTSUPP;



	return 0;

}