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[net-next,01/27] net/vlan: introduce __vlan_hwaccel_clear_tag() helper

Message ID 597115e5f451346559ab7f616e23c2fa15006edd.1481586602.git.mirq-linux@rere.qmqm.pl
State Deferred, archived
Delegated to: David Miller
Headers show

Commit Message

Michał Mirosław Dec. 13, 2016, 12:12 a.m. UTC 
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
---
 include/linux/if_vlan.h | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)
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Patch

diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 8d5fcd6..38be904 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -382,6 +382,17 @@  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
@@ -396,7 +407,7 @@  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;
 }