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net: Add VLAN ID to flow_keys

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In flow_dissector set vlan_id in flow_keys when VLAN is found.

Signed-off-by: Tom Herbert <tom@herbertland.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert
2015-06-04 09:16:43 -07:00
committed by David S. Miller
parent 45b47fd00c
commit d34af823ff
2 changed files with 20 additions and 0 deletions
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14
net/core/flow_dissector.c
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@@ -126,6 +126,7 @@ bool __skb_flow_dissect(const struct sk_buff *skb,
struct flow_dissector_key_basic *key_basic;
struct flow_dissector_key_addrs *key_addrs;
struct flow_dissector_key_ports *key_ports;
struct flow_dissector_key_tags *key_tags;
u8 ip_proto;
if (!data) {
@@ -246,6 +247,15 @@ flow_label:
if (!vlan)
return false;
if (skb_flow_dissector_uses_key(flow_dissector,
FLOW_DISSECTOR_KEY_VLANID)) {
key_tags = skb_flow_dissector_target(flow_dissector,
FLOW_DISSECTOR_KEY_VLANID,
target_container);
key_tags->vlan_id = skb_vlan_tag_get_id(skb);
}
proto = vlan->h_vlan_encapsulated_proto;
nhoff += sizeof(*vlan);
goto again;
@@ -645,6 +655,10 @@ static const struct flow_dissector_key flow_keys_dissector_keys[] = {
.key_id = FLOW_DISSECTOR_KEY_PORTS,
.offset = offsetof(struct flow_keys, ports),
},
{
.key_id = FLOW_DISSECTOR_KEY_VLANID,
.offset = offsetof(struct flow_keys, tags),
},
};
static const struct flow_dissector_key flow_keys_buf_dissector_keys[] = {