diff options
| author | David S. Miller <davem@davemloft.net> | 2017-06-04 18:12:24 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-04 18:12:24 -0400 |
| commit | e8317a40383469413a73c02494f2a4026d66e33f (patch) | |
| tree | 7e207a95acba69ff2711e29cf69a16a437b08347 /drivers/net | |
| parent | f4d01666616adeebe72f84ee6e9385e309805ba5 (diff) | |
| parent | fd7da28b280d0c8b94417e85e49fea3db1ba7965 (diff) | |
Merge branch 'net-dissection-and-matching-on-tos-and-ttl'
Or Gerlitz says:
====================
net: add support for dissection and matching on ip tos and ttl
The 1st two patches enable matching/classifying on ip tos and ttl by
the flow dissector and flower. The other two patches offload matching
on tcp flags and ip tos in mlx5.
The mlx5 patches touch single file/function and not interfere with
other inflight mlx5 submissions.
V2: repost as asked by Dave.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 46 |
1 files changed, 45 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 7914a32a3036..8ec13f9be660 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -581,7 +581,9 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | - BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL))) { + BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | + 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; @@ -808,6 +810,48 @@ 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, + FLOW_DISSECTOR_KEY_TCP, + f->key); + struct flow_dissector_key_tcp *mask = + skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_TCP, + f->mask); + + MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_flags, + ntohs(mask->flags)); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_flags, + ntohs(key->flags)); + + if (mask->flags) + *min_inline = MLX5_INLINE_MODE_TCP_UDP; + } + return 0; } |