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net/mlx5e: Add TC vlan match parsing

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Enhance the parsing of offloaded TC rules matches to handle vlans.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2016-09-22 20:01:49 +03:00 committed by David S. Miller
parent 8b32580df1
commit 095b6cfd69
1 changed files with 19 additions and 0 deletions
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19
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
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@ -164,6 +164,7 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec
~(BIT(FLOW_DISSECTOR_KEY_CONTROL) |
BIT(FLOW_DISSECTOR_KEY_BASIC) |
BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) |
BIT(FLOW_DISSECTOR_KEY_VLAN) |
BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) |
BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) |
BIT(FLOW_DISSECTOR_KEY_PORTS))) {
@ -227,6 +228,24 @@ static int parse_cls_flower(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec
key->src);
}
if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_VLAN)) {
struct flow_dissector_key_vlan *key =
skb_flow_dissector_target(f->dissector,
FLOW_DISSECTOR_KEY_VLAN,
f->key);
struct flow_dissector_key_vlan *mask =
skb_flow_dissector_target(f->dissector,
FLOW_DISSECTOR_KEY_VLAN,
f->mask);
if (mask->vlan_id) {
MLX5_SET(fte_match_set_lyr_2_4, headers_c, vlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, vlan_tag, 1);
MLX5_SET(fte_match_set_lyr_2_4, headers_c, first_vid, mask->vlan_id);
MLX5_SET(fte_match_set_lyr_2_4, headers_v, first_vid, key->vlan_id);
}
}
if (addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) {
struct flow_dissector_key_ipv4_addrs *key =
skb_flow_dissector_target(f->dissector,