diff options
| author |   Or Gerlitz <ogerlitz@mellanox.com> | 2017-06-01 21:37:40 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2017-06-04 18:12:24 -0400 |
| commit | fd7da28b280d0c8b94417e85e49fea3db1ba7965 (patch) | |
| tree | 7e207a95acba69ff2711e29cf69a16a437b08347 /drivers | |
| parent | net/mlx5e: Offload TC matching on tcp flags (diff) | |
| download | linux-dev-fd7da28b280d0c8b94417e85e49fea3db1ba7965.tar.xz linux-dev-fd7da28b280d0c8b94417e85e49fea3db1ba7965.zip | |
net/mlx5e: Offload TC matching on ip tos / traffic-class
Enable offloading of TC matching on ipv4 tos or ipv6 traffic-class.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 066045b5eb4c..8ec13f9be660 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -582,7 +582,8 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | - BIT(FLOW_DISSECTOR_KEY_TCP))) { + BIT(FLOW_DISSECTOR_KEY_TCP) | + BIT(FLOW_DISSECTOR_KEY_IP))) { netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", f->dissector->used_keys); return -EOPNOTSUPP; @@ -809,6 +810,29 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, *min_inline = MLX5_INLINE_MODE_TCP_UDP; } + if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_IP)) { + struct flow_dissector_key_ip *key = + skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_IP, + f->key); + struct flow_dissector_key_ip *mask = + skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_IP, + f->mask); + + MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); + + MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); + + if (mask->tos) + *min_inline = MLX5_INLINE_MODE_IP; + + if (mask->ttl) /* currently not supported */ + return -EOPNOTSUPP; + } + if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_TCP)) { struct flow_dissector_key_tcp *key = skb_flow_dissector_target(f->dissector, |