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net/mlx5: Split eswitch mode check to different helper function

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In order to check eswitch state under a lock, prepare code to split
capability check and eswitch state check into two helper functions.

Reviewed-by: Roi Dayan <roid@mellanox.com>
Reviewed-by: Bodong Wang <bodong@mellanox.com>
Reviewed-by: Mark Bloch <markb@mellanox.com>
Signed-off-by: Parav Pandit <parav@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Parav Pandit 2019-12-14 04:09:04 -06:00 committed by Saeed Mahameed
parent 98fed6eb9b
commit ae24432cbc
1 changed files with 33 additions and 4 deletions
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37
drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c
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@ -2506,13 +2506,18 @@ static int mlx5_eswitch_check(const struct mlx5_core_dev *dev)
if(!MLX5_ESWITCH_MANAGER(dev))
return -EPERM;
if (dev->priv.eswitch->mode == MLX5_ESWITCH_NONE &&
!mlx5_core_is_ecpf_esw_manager(dev))
return -EOPNOTSUPP;
return 0;
}
static int eswitch_devlink_esw_mode_check(const struct mlx5_eswitch *esw)
{
/* devlink commands in NONE eswitch mode are currently supported only
* on ECPF.
*/
return (esw->mode == MLX5_ESWITCH_NONE &&
!mlx5_core_is_ecpf_esw_manager(esw->dev)) ? -EOPNOTSUPP : 0;
}
int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode,
struct netlink_ext_ack *extack)
{
@ -2524,6 +2529,10 @@ int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode,
if (err)
return err;
err = eswitch_devlink_esw_mode_check(dev->priv.eswitch);
if (err)
return err;
cur_mlx5_mode = dev->priv.eswitch->mode;
if (esw_mode_from_devlink(mode, &mlx5_mode))
@ -2549,6 +2558,10 @@ int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode)
if (err)
return err;
err = eswitch_devlink_esw_mode_check(dev->priv.eswitch);
if (err)
return err;
return esw_mode_to_devlink(dev->priv.eswitch->mode, mode);
}
@ -2564,6 +2577,10 @@ int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode,
if (err)
return err;
err = eswitch_devlink_esw_mode_check(esw);
if (err)
return err;
switch (MLX5_CAP_ETH(dev, wqe_inline_mode)) {
case MLX5_CAP_INLINE_MODE_NOT_REQUIRED:
if (mode == DEVLINK_ESWITCH_INLINE_MODE_NONE)
@ -2618,6 +2635,10 @@ int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode)
if (err)
return err;
err = eswitch_devlink_esw_mode_check(esw);
if (err)
return err;
return esw_inline_mode_to_devlink(esw->offloads.inline_mode, mode);
}
@ -2633,6 +2654,10 @@ int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink,
if (err)
return err;
err = eswitch_devlink_esw_mode_check(esw);
if (err)
return err;
if (encap != DEVLINK_ESWITCH_ENCAP_MODE_NONE &&
(!MLX5_CAP_ESW_FLOWTABLE_FDB(dev, reformat) ||
!MLX5_CAP_ESW_FLOWTABLE_FDB(dev, decap)))
@ -2682,6 +2707,10 @@ int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink,
if (err)
return err;
err = eswitch_devlink_esw_mode_check(esw);
if (err)
return err;
*encap = esw->offloads.encap;
return 0;
}