Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9ec13810 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

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



Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 18149935

include/linux/pkt_cls.h

+1 −0
Original line number Diff line number Diff line
@@ -348,6 +348,7 @@ enum 
	FLOW_KEY_RTCLASSID,

	FLOW_KEY_SKUID,

	FLOW_KEY_SKGID,

	FLOW_KEY_VLAN_TAG,

	__FLOW_KEY_MAX,

};

net/sched/cls_flow.c

+12 −0
Original line number Diff line number Diff line
@@ -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;