提交 9ec13810 编写于 作者: P Patrick McHardy 提交者: David S. Miller

[NET_SCHED]: cls_flow: support classification based on VLAN tag

Signed-off-by: NPatrick McHardy <kaber@trash.net>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 18149935
......@@ -348,6 +348,7 @@ enum
FLOW_KEY_RTCLASSID,
FLOW_KEY_SKUID,
FLOW_KEY_SKGID,
FLOW_KEY_VLAN_TAG,
__FLOW_KEY_MAX,
};
......
......@@ -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;
......
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