Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 5.10 111/663] net/mlx5: Disable devlink reload for lag devices | Date | Mon, 1 Mar 2021 17:05:59 +0100 |
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From: Shay Drory <shayd@nvidia.com>
[ Upstream commit edac23c2b3d3ac64cfcd351087295893671adbf5 ]
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> Signed-off-by: Sasha Levin <sashal@kernel.org> --- drivers/net/ethernet/mellanox/mlx5/core/devlink.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c index 0450ab5f5f756..bf5cf022e279d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/devlink.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/devlink.c @@ -137,6 +137,11 @@ 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); -- 2.27.0
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