diff options
| author | Patrick McHardy | 2008-02-05 16:21:04 -0800 |
|---|---|---|
| committer | David S. Miller | 2008-02-05 16:21:04 -0800 |
| commit | 9ec138101f8a79007bc571174976a7814ed616f8 (patch) | |
| tree | 1839f02b9cee63ebf10707a8d3c5da3f8e4f4213 /net/sched/cls_flow.c | |
| parent | 181499356e5a9f0bcbd69adc3c6df450f6e2586d (diff) | |
[NET_SCHED]: cls_flow: support classification based on VLAN tag
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/cls_flow.c')
| -rw-r--r-- | net/sched/cls_flow.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c index eeb223cf14cf..971b867e0484 100644 --- a/net/sched/cls_flow.c +++ b/net/sched/cls_flow.c @@ -19,6 +19,7 @@ #include <linux/in.h> #include <linux/ip.h> #include <linux/ipv6.h> +#include <linux/if_vlan.h> #include <net/pkt_cls.h> #include <net/ip.h> @@ -270,6 +271,15 @@ static u32 flow_get_skgid(const struct sk_buff *skb) return 0; } +static u32 flow_get_vlan_tag(const struct sk_buff *skb) +{ + u16 uninitialized_var(tag); + + if (vlan_get_tag(skb, &tag) < 0) + return 0; + return tag & VLAN_VID_MASK; +} + static u32 flow_key_get(const struct sk_buff *skb, int key) { switch (key) { @@ -305,6 +315,8 @@ static u32 flow_key_get(const struct sk_buff *skb, int key) return flow_get_skuid(skb); case FLOW_KEY_SKGID: return flow_get_skgid(skb); + case FLOW_KEY_VLAN_TAG: + return flow_get_vlan_tag(skb); default: WARN_ON(1); return 0; |