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Commit fd7da28b authored by Or Gerlitz's avatar Or Gerlitz Committed by David S. Miller
Browse files

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: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent e77834ec
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+25 −1
Original line number Diff line number Diff line
@@ -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,