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net/mlx5: Disallow RoCE on multi port slave device 

In dual port mode, setting roce enabled/disable for the slave device
have no effect. e.g.: the slave device roce status remain unchanged.
Therefore disable it and add an error message.
Enable or disable roce of the master device affect both master and slave
devices.

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 2020-12-30 10:58:34 +02:00 committed by Saeed Mahameed
parent d89ddaae17
commit c70f8597fc
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ethernet/mellanox/mlx5/core/devlink.c
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@ -273,6 +273,10 @@ 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)) {
NL_SET_ERR_MSG_MOD(extack, "Multi port slave device can't configure RoCE");
return -EOPNOTSUPP;
}
return 0; return 0;
} }