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/*
* Copyright (c) 2011 Nicira Networks.
* Distributed under the terms of the GNU GPL version 2.
*
* Significant portions of this file may be copied from parts of the Linux
* kernel, by Linus Torvalds and others.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/if_vlan.h>
#include <linux/skbuff.h>
#include "datapath.h"
#include "vlan.h"
#ifdef NEED_VLAN_FIELD
void vlan_copy_skb_tci(struct sk_buff *skb)
{
OVS_CB(skb)->vlan_tci = 0;
}
u16 vlan_get_tci(struct sk_buff *skb)
{
return OVS_CB(skb)->vlan_tci;
}
void vlan_set_tci(struct sk_buff *skb, u16 vlan_tci)
{
OVS_CB(skb)->vlan_tci = vlan_tci;
}
bool vlan_tx_tag_present(struct sk_buff *skb)
{
return OVS_CB(skb)->vlan_tci & VLAN_TAG_PRESENT;
}
u16 vlan_tx_tag_get(struct sk_buff *skb)
{
return OVS_CB(skb)->vlan_tci & ~VLAN_TAG_PRESENT;
}
struct sk_buff *__vlan_hwaccel_put_tag(struct sk_buff *skb, u16 vlan_tci)
{
OVS_CB(skb)->vlan_tci = vlan_tci | VLAN_TAG_PRESENT;
return skb;
}
#endif /* NEED_VLAN_FIELD */
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