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net/sched: cls_flower: Allow setting encapsulation fields as used key 

When encapsulation field is set, mark it as used key for the flow
dissector. This will be used by offloading drivers.

Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hadar Hen Zion 2016-11-07 15:14:38 +02:00 committed by David S. Miller
parent 9ba6a9a9f7
commit 519d10521c
1 changed files with 10 additions and 0 deletions
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net/sched/cls_flower.c
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@ -567,6 +567,16 @@ static void fl_init_dissector(struct cls_fl_head *head,
FLOW_DISSECTOR_KEY_PORTS, tp);
FL_KEY_SET_IF_MASKED(&mask->key, keys, cnt,
FLOW_DISSECTOR_KEY_VLAN, vlan);
FL_KEY_SET_IF_MASKED(&mask->key, keys, cnt,
FLOW_DISSECTOR_KEY_ENC_KEYID, enc_key_id);
FL_KEY_SET_IF_MASKED(&mask->key, keys, cnt,
FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, enc_ipv4);
FL_KEY_SET_IF_MASKED(&mask->key, keys, cnt,
FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, enc_ipv6);
if (FL_KEY_IS_MASKED(&mask->key, enc_ipv4) ||
FL_KEY_IS_MASKED(&mask->key, enc_ipv6))
FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_ENC_CONTROL,
enc_control);
skb_flow_dissector_init(&head->dissector, keys, cnt);
}