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net/vlan: introduce __vlan_hwaccel_clear_tag() helper 

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michał Mirosław 2018-11-07 18:07:02 +01:00 committed by David S. Miller
parent 1295e2cf30
commit c8accd5a0a
1 changed files with 12 additions and 1 deletions
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13
include/linux/if_vlan.h
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@ -461,6 +461,17 @@ static inline struct sk_buff *vlan_insert_tag_set_proto(struct sk_buff *skb,
return skb;
}
/**
* __vlan_hwaccel_clear_tag - clear hardware accelerated VLAN info
* @skb: skbuff to clear
*
* Clears the VLAN information from @skb
*/
static inline void __vlan_hwaccel_clear_tag(struct sk_buff *skb)
{
skb->vlan_tci = 0;
}
/*
* __vlan_hwaccel_push_inside - pushes vlan tag to the payload
* @skb: skbuff to tag
@ -475,7 +486,7 @@ static inline struct sk_buff *__vlan_hwaccel_push_inside(struct sk_buff *skb)
skb = vlan_insert_tag_set_proto(skb, skb->vlan_proto,
skb_vlan_tag_get(skb));
if (likely(skb))
skb->vlan_tci = 0;
__vlan_hwaccel_clear_tag(skb);
return skb;
}