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| author | Michał Mirosław <mirq-linux@rere.qmqm.pl> | 2018-11-07 20:07:02 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-11-08 09:41:19 +0300 |
| commit | e0a6b8097351255a2dbbb45274a8b9c52850cbb6 (patch) | |
| tree | d66d5c354fb7f304256699f102d79ac24f67cc92 /include/linux/if_vlan.h | |
| parent | c8accd5a0a6abfc0405a331afa5bfc06ee92623a (diff) | |
| download | linux-e0a6b8097351255a2dbbb45274a8b9c52850cbb6.tar.xz | |
net/vlan: introduce __vlan_hwaccel_copy_tag() helper
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/if_vlan.h')
| -rw-r--r-- | include/linux/if_vlan.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h index c438fa0a1c6a..941da4bf3929 100644 --- a/include/linux/if_vlan.h +++ b/include/linux/if_vlan.h @@ -472,6 +472,19 @@ static inline void __vlan_hwaccel_clear_tag(struct sk_buff *skb) skb->vlan_tci = 0; } +/** + * __vlan_hwaccel_copy_tag - copy hardware accelerated VLAN info from another skb + * @dst: skbuff to copy to + * @src: skbuff to copy from + * + * Copies VLAN information from @src to @dst (for branchless code) + */ +static inline void __vlan_hwaccel_copy_tag(struct sk_buff *dst, const struct sk_buff *src) +{ + dst->vlan_proto = src->vlan_proto; + dst->vlan_tci = src->vlan_tci; +} + /* * __vlan_hwaccel_push_inside - pushes vlan tag to the payload * @skb: skbuff to tag |