diff options
| author | Nogah Frankel <nogahf@mellanox.com> | 2018-01-10 15:00:07 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-01-10 16:07:41 -0500 |
| commit | 56202ca4eddf9c3b2cda98095e0f2aa4196ec2ed (patch) | |
| tree | b07fa663e0a7885e7a405e4d2f695e6aebe73638 /drivers/net/ethernet/mellanox | |
| parent | 9cf6c9c7585446f1a532d218ae9be8653f4d7a82 (diff) | |
| download | linux-56202ca4eddf9c3b2cda98095e0f2aa4196ec2ed.tar.bz2 | |
mlxsw: spectrum: qdiscs: Remove qdisc before setting a new one
If a qdisc is being replaced by another qdisc of the same type, it can
simply override over its configuration.
However, if it replaces a qdisc of another type, it needs to be removed
before setting the new qdisc.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Reviewed-by: Yuval Mintz <yuvalm@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c index c896ee721523..273300b75a68 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_qdisc.c @@ -115,6 +115,13 @@ mlxsw_sp_qdisc_replace(struct mlxsw_sp_port *mlxsw_sp_port, u32 handle, { int err; + if (mlxsw_sp_qdisc->ops && mlxsw_sp_qdisc->ops->type != ops->type) + /* In case this location contained a different qdisc of the + * same type we can override the old qdisc configuration. + * Otherwise, we need to remove the old qdisc before setting the + * new one. + */ + mlxsw_sp_qdisc_destroy(mlxsw_sp_port, mlxsw_sp_qdisc); err = ops->check_params(mlxsw_sp_port, mlxsw_sp_qdisc, params); if (err) goto err_bad_param; |