diff options
| author | Petr Machata <petrm@mellanox.com> | 2020-03-19 16:47:23 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-20 07:09:20 +0300 |
| commit | 463957e3fbab36eb256a46c9a99e7d4c28311420 (patch) | |
| tree | 07225daaf6878b865b44932770d19a0fc3423b33 /drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c | |
| parent | 4d745f8cf5ad8ac4e199a11ea2ed826299c77ca3 (diff) | |
| download | linux-463957e3fbab36eb256a46c9a99e7d4c28311420.tar.xz | |
mlxsw: spectrum_flower: Offload FLOW_ACTION_PRIORITY
Offload action skbedit priority when keyed to a flower classifier. The
skb->priority field in Linux is very generic, so only allow setting the
bottom 8 priorities and bounce anything else.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c index 6f8d5005ff36..01324d002680 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl.c @@ -638,6 +638,23 @@ int mlxsw_sp_acl_rulei_act_vlan(struct mlxsw_sp *mlxsw_sp, } } +int mlxsw_sp_acl_rulei_act_priority(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_acl_rule_info *rulei, + u32 prio, struct netlink_ext_ack *extack) +{ + /* Even though both Linux and Spectrum switches support 16 priorities, + * spectrum_qdisc only processes the first eight priomap elements, and + * the DCB and PFC features are tied to 8 priorities as well. Therefore + * bounce attempts to prioritize packets to higher priorities. + */ + if (prio >= IEEE_8021QAZ_MAX_TCS) { + NL_SET_ERR_MSG_MOD(extack, "Only priorities 0..7 are supported"); + return -EINVAL; + } + return mlxsw_afa_block_append_qos_switch_prio(rulei->act_block, prio, + extack); +} + int mlxsw_sp_acl_rulei_act_count(struct mlxsw_sp *mlxsw_sp, struct mlxsw_sp_acl_rule_info *rulei, struct netlink_ext_ack *extack) |