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List:       linux-backports
Subject:    [PATCH 2/6] header: add skb_vlan_tag_{present,get,get_id}
From:       Hauke Mehrtens <hauke () hauke-m ! de>
Date:       2015-02-22 1:42:04
Message-ID: 1424569328-12514-3-git-send-email-hauke () hauke-m ! de
[Download RAW message or body]

These macros are used by some Ethernet drivers now.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
---
 backport/backport-include/linux/if_vlan.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/backport/backport-include/linux/if_vlan.h \
b/backport/backport-include/linux/if_vlan.h index 7d39d52..be2e259 100644
--- a/backport/backport-include/linux/if_vlan.h
+++ b/backport/backport-include/linux/if_vlan.h
@@ -24,4 +24,16 @@
 #define __vlan_find_dev_deep_rcu(real_dev, vlan_proto, vlan_id) \
__vlan_find_dev_deep(real_dev, vlan_proto, vlan_id)  #endif
 
+#ifndef skb_vlan_tag_present
+#define skb_vlan_tag_present(__skb)	((__skb)->vlan_tci & VLAN_TAG_PRESENT)
+#endif
+
+#ifndef skb_vlan_tag_get
+#define skb_vlan_tag_get(__skb)		((__skb)->vlan_tci & ~VLAN_TAG_PRESENT)
+#endif
+
+#ifndef skb_vlan_tag_get_id
+#define skb_vlan_tag_get_id(__skb)	((__skb)->vlan_tci & VLAN_VID_MASK)
+#endif
+
 #endif /* __BACKPORT_LINUX_IF_VLAN_H_ */
-- 
1.9.1

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