diff options
| author | Eli Britstein <elibr@mellanox.com> | 2020-05-19 05:55:59 +0000 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2020-05-27 18:13:51 -0700 |
| commit | fca533041aac0426f5b5618a564aeb588fc125e9 (patch) | |
| tree | 69a9c6a6136bd1bcde78bf30301697784cf58b73 /drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | |
| parent | 4a5d5d7392106a48c7db345a3843e854b66ea0ff (diff) | |
net/mlx5e: Optimize performance for IPv4/IPv6 ethertype
The HW is optimized for IPv4/IPv6. For such cases, pending capability,
avoid matching on ethertype, and use ip_version field instead.
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_tc.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 40 |
1 files changed, 31 insertions, 9 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 680b9e090057..0f119c08b835 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -2020,13 +2020,30 @@ u32 mlx5e_tc_get_flow_tun_id(struct mlx5e_tc_flow *flow) return flow->tunnel_id; } -void mlx5e_tc_set_ethertype(void *headers_c, void *headers_v, - struct flow_match_basic *match) -{ - MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, - ntohs(match->mask->n_proto)); - MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, - ntohs(match->key->n_proto)); +void mlx5e_tc_set_ethertype(struct mlx5_core_dev *mdev, + struct flow_match_basic *match, bool outer, + void *headers_c, void *headers_v) +{ + bool ip_version_cap; + + ip_version_cap = outer ? + MLX5_CAP_FLOWTABLE_NIC_RX(mdev, + ft_field_support.outer_ip_version) : + MLX5_CAP_FLOWTABLE_NIC_RX(mdev, + ft_field_support.inner_ip_version); + + if (ip_version_cap && match->mask->n_proto == htons(0xFFFF) && + (match->key->n_proto == htons(ETH_P_IP) || + match->key->n_proto == htons(ETH_P_IPV6))) { + MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ip_version); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_version, + match->key->n_proto == htons(ETH_P_IP) ? 4 : 6); + } else { + MLX5_SET(fte_match_set_lyr_2_4, headers_c, ethertype, + ntohs(match->mask->n_proto)); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, + ntohs(match->key->n_proto)); + } } static int parse_tunnel_attr(struct mlx5e_priv *priv, @@ -2250,7 +2267,9 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, struct flow_match_basic match; flow_rule_match_basic(rule, &match); - mlx5e_tc_set_ethertype(headers_c, headers_v, &match); + mlx5e_tc_set_ethertype(priv->mdev, &match, + match_level == outer_match_level, + headers_c, headers_v); if (match.mask->n_proto) *match_level = MLX5_MATCH_L2; @@ -3126,16 +3145,19 @@ static bool modify_header_match_supported(struct mlx5_flow_spec *spec, { const struct flow_action_entry *act; bool modify_ip_header; + void *headers_c; void *headers_v; u16 ethertype; u8 ip_proto; int i, err; + headers_c = get_match_headers_criteria(actions, spec); headers_v = get_match_headers_value(actions, spec); ethertype = MLX5_GET(fte_match_set_lyr_2_4, headers_v, ethertype); /* for non-IP we only re-write MACs, so we're okay */ - if (ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) + if (MLX5_GET(fte_match_set_lyr_2_4, headers_c, ip_version) == 0 && + ethertype != ETH_P_IP && ethertype != ETH_P_IPV6) goto out_ok; modify_ip_header = false; |