datapath: Check for Centos 6.4 backports.

[sliver-openvswitch.git] / datapath / linux / compat / include / linux / if_vlan.h

diff --git a/datapath/linux/compat/include/linux/if_vlan.h b/datapath/linux/compat/include/linux/if_vlan.h
index 326abb2..b8b1961 100644 (file)
--- a/datapath/linux/compat/include/linux/if_vlan.h
+++ b/datapath/linux/compat/include/linux/if_vlan.h
@@ -1,8 +1,9 @@
 #ifndef __LINUX_IF_VLAN_WRAPPER_H
 #define __LINUX_IF_VLAN_WRAPPER_H 1
 
-#include_next <linux/if_vlan.h>
 #include <linux/skbuff.h>
+#include <linux/version.h>
+#include_next <linux/if_vlan.h>
 
 /*
  * The behavior of __vlan_put_tag() has changed over time:
@@ -30,7 +31,7 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)
        veth = (struct vlan_ethhdr *)skb_push(skb, VLAN_HLEN);
 
        /* Move the mac addresses to the beginning of the new header. */
-       memmove(skb->data, skb->data + VLAN_HLEN, 2 * VLAN_ETH_ALEN);
+       memmove(skb->data, skb->data + VLAN_HLEN, 2 * ETH_ALEN);
        skb->mac_header -= VLAN_HLEN;
 
        /* first, the ethernet type */
@@ -54,8 +55,7 @@ static inline struct sk_buff *__vlan_put_tag(struct sk_buff *skb, u16 vlan_tci)
 #define VLAN_TAG_PRESENT       VLAN_CFI_MASK
 #endif
 
-/* This function is not exported from kernel. OVS Upstreaming patch will
- * fix that. */
+#ifndef HAVE_VLAN_SET_ENCAP_PROTO
 static inline void vlan_set_encap_proto(struct sk_buff *skb, struct vlan_hdr *vhdr)
 {
        __be16 proto;
@@ -88,4 +88,5 @@ static inline void vlan_set_encap_proto(struct sk_buff *skb, struct vlan_hdr *vh
                 */
                skb->protocol = htons(ETH_P_802_2);
 }
+#endif
 #endif /* linux/if_vlan.h wrapper */