diff options
| -rw-r--r-- | include/linux/pkt_cls.h | 1 | ||||
| -rw-r--r-- | net/sched/cls_flow.c | 12 |
2 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/pkt_cls.h b/include/linux/pkt_cls.h index 40fac8c4559d..28dfc61cf79e 100644 --- a/include/linux/pkt_cls.h +++ b/include/linux/pkt_cls.h @@ -348,6 +348,7 @@ enum FLOW_KEY_RTCLASSID, FLOW_KEY_SKUID, FLOW_KEY_SKGID, + FLOW_KEY_VLAN_TAG, __FLOW_KEY_MAX, }; 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; |