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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-04-19 17:17:34 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-04-19 17:17:34 +0100
commitcf816ecb533ab96b883dfdc0db174598b5b5c4d2 (patch)
tree1b7705db288ae2917105e624b01fdf81e0882bf1 /include/linux/if_arp.h
parentadf6d34e460387ee3e8f1e1875d52bff51212c7d (diff)
parent15f7d677ccff6f0f5de8a1ee43a792567e9f9de9 (diff)
Merge branch 'merge-fixes' into devel
Diffstat (limited to 'include/linux/if_arp.h')
-rw-r--r--include/linux/if_arp.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index 296e8e86e91..4d3401812e6 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -156,6 +156,12 @@ static inline struct arphdr *arp_hdr(const struct sk_buff *skb)
{
return (struct arphdr *)skb_network_header(skb);
}
+
+static inline int arp_hdr_len(struct net_device *dev)
+{
+ /* ARP header, plus 2 device addresses, plus 2 IP addresses. */
+ return sizeof(struct arphdr) + (dev->addr_len + sizeof(u32)) * 2;
+}
#endif
#endif /* _LINUX_IF_ARP_H */