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net/mlx5: Disallow RoCE on lag device 

In lag mode, setting roce enabled/disable of lag device have no effect.
e.g.: bond device (roce/vf_lag) roce status remain unchanged.
Therefore disable it and add an error message.

Fixes: cc9defcbb8 ("net/mlx5: Handle "enable_roce" devlink param")
Signed-off-by: Shay Drory <shayd@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
This commit is contained in:
Shay Drory 2021-01-03 10:09:59 +02:00 committed by Saeed Mahameed
parent c70f8597fc
commit 7ab91f2b03
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/devlink.c
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@ -273,8 +273,8 @@ static int mlx5_devlink_enable_roce_validate(struct devlink *devlink, u32 id,
NL_SET_ERR_MSG_MOD(extack, "Device doesn't support RoCE"); NL_SET_ERR_MSG_MOD(extack, "Device doesn't support RoCE");
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }
if (mlx5_core_is_mp_slave(dev)) { if (mlx5_core_is_mp_slave(dev) || mlx5_lag_is_active(dev)) {
NL_SET_ERR_MSG_MOD(extack, "Multi port slave device can't configure RoCE"); NL_SET_ERR_MSG_MOD(extack, "Multi port slave/Lag device can't configure RoCE");
return -EOPNOTSUPP; return -EOPNOTSUPP;
} }