diff options
| author |   Shay Drory <shayd@nvidia.com> | 2020-12-31 15:04:08 +0200 |
|---|---|---|
| committer |   Saeed Mahameed <saeedm@nvidia.com> | 2021-02-11 18:50:15 -0800 |
| commit | edac23c2b3d3ac64cfcd351087295893671adbf5 (patch) | |
| tree | 554bc339f416db064b669bbae5c33ebb920ac516 /drivers/net | |
| parent | net/mlx5: Disallow RoCE on lag device (diff) | |
| download | linux-dev-edac23c2b3d3ac64cfcd351087295893671adbf5.tar.xz linux-dev-edac23c2b3d3ac64cfcd351087295893671adbf5.zip | |
net/mlx5: Disable devlink reload for lag devices
Devlink reload can't be allowed on lag devices since reloading one lag
device will cause traffic on the bond to get stucked.
Users who wish to reload a lag device, need to remove the device from
the bond, and only then reload it.
Fixes: 4383cfcc65e7 ("net/mlx5: Add devlink reload")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/devlink.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c index c7073193db14..41474e42a819 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c @@ -128,6 +128,11 @@ static int mlx5_devlink_reload_down(struct devlink *devlink, bool netns_change, { struct mlx5_core_dev *dev = devlink_priv(devlink); + if (mlx5_lag_is_active(dev)) { + NL_SET_ERR_MSG_MOD(extack, "reload is unsupported in Lag mode\n"); + return -EOPNOTSUPP; + } + switch (action) { case DEVLINK_RELOAD_ACTION_DRIVER_REINIT: mlx5_unload_one(dev, false); |