diff options
| author | Jiri Pirko <jiri@mellanox.com> | 2017-05-23 18:40:48 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-05-24 16:22:11 -0400 |
| commit | 8a41d845c4fd64e6bf909aafa977472689e8c7a5 (patch) | |
| tree | 0689185ab2c211edb4074bc66d57c06cca639adf /drivers | |
| parent | dea2d6457fce0e1829ae543b2c47d84e51a71445 (diff) | |
| download | linux-8a41d845c4fd64e6bf909aafa977472689e8c7a5.tar.bz2 | |
mlxsw: spectrum_flower: Add support for tcp flags
Allow to offload rules that contain tcp flags within the mask.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c | 1 | ||||
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c | 29 |
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c index 3a24289979d9..61a10f166f97 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_acl_tcam.c @@ -983,6 +983,7 @@ static const enum mlxsw_afk_element mlxsw_sp_acl_tcam_pattern_ipv4[] = { MLXSW_AFK_ELEMENT_SRC_L4_PORT, MLXSW_AFK_ELEMENT_VID, MLXSW_AFK_ELEMENT_PCP, + MLXSW_AFK_ELEMENT_TCP_FLAGS, }; static const enum mlxsw_afk_element mlxsw_sp_acl_tcam_pattern_ipv6[] = { diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c index 15b03485dc07..739dc1ed759b 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c @@ -178,6 +178,32 @@ static int mlxsw_sp_flower_parse_ports(struct mlxsw_sp *mlxsw_sp, return 0; } +static int mlxsw_sp_flower_parse_tcp(struct mlxsw_sp *mlxsw_sp, + struct mlxsw_sp_acl_rule_info *rulei, + struct tc_cls_flower_offload *f, + u8 ip_proto) +{ + struct flow_dissector_key_tcp *key, *mask; + + if (!dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) + return 0; + + if (ip_proto != IPPROTO_TCP) { + dev_err(mlxsw_sp->bus_info->dev, "TCP keys supported only for TCP\n"); + return -EINVAL; + } + + key = skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_TCP, + f->key); + mask = skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_TCP, + f->mask); + mlxsw_sp_acl_rulei_keymask_u32(rulei, MLXSW_AFK_ELEMENT_TCP_FLAGS, + ntohs(key->flags), ntohs(mask->flags)); + return 0; +} + static int mlxsw_sp_flower_parse(struct mlxsw_sp *mlxsw_sp, struct net_device *dev, struct mlxsw_sp_acl_rule_info *rulei, @@ -286,6 +312,9 @@ static int mlxsw_sp_flower_parse(struct mlxsw_sp *mlxsw_sp, err = mlxsw_sp_flower_parse_ports(mlxsw_sp, rulei, f, ip_proto); if (err) return err; + err = mlxsw_sp_flower_parse_tcp(mlxsw_sp, rulei, f, ip_proto); + if (err) + return err; return mlxsw_sp_flower_parse_actions(mlxsw_sp, dev, rulei, f->exts); } |