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Revert "net/mlx5: Block entering switchdev mode with ns inconsistency"

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This reverts commit 662404b24a4c4d839839ed25e3097571f5938b9b.
The revert is required due to the suspicion it is not good for anything
and cause crash.

Fixes: 662404b24a4c ("net/mlx5e: Block entering switchdev mode with ns inconsistency")
Signed-off-by: Gavin Li <gavinl@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Gavin Li 2023-10-19 04:49:54 +03:00 committed by Saeed Mahameed
parent 1c61728be2
commit 8deeefb247
1 changed files with 0 additions and 23 deletions
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23
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
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@ -3658,22 +3658,6 @@ static int esw_inline_mode_to_devlink(u8 mlx5_mode, u8 *mode)
return 0;
}
static bool esw_offloads_devlink_ns_eq_netdev_ns(struct devlink *devlink)
{
struct mlx5_core_dev *dev = devlink_priv(devlink);
struct net *devl_net, *netdev_net;
bool ret = false;
mutex_lock(&dev->mlx5e_res.uplink_netdev_lock);
if (dev->mlx5e_res.uplink_netdev) {
netdev_net = dev_net(dev->mlx5e_res.uplink_netdev);
devl_net = devlink_net(devlink);
ret = net_eq(devl_net, netdev_net);
}
mutex_unlock(&dev->mlx5e_res.uplink_netdev_lock);
return ret;
}
int mlx5_eswitch_block_mode(struct mlx5_core_dev *dev)
{
struct mlx5_eswitch *esw = dev->priv.eswitch;
@ -3718,13 +3702,6 @@ int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode,
if (esw_mode_from_devlink(mode, &mlx5_mode))
return -EINVAL;
if (mode == DEVLINK_ESWITCH_MODE_SWITCHDEV &&
!esw_offloads_devlink_ns_eq_netdev_ns(devlink)) {
NL_SET_ERR_MSG_MOD(extack,
"Can't change E-Switch mode to switchdev when netdev net namespace has diverged from the devlink's.");
return -EPERM;
}
mlx5_lag_disable_change(esw->dev);
err = mlx5_esw_try_lock(esw);
if (err < 0) {