[ICMP6]: Introduce icmp6_hdr()

[karo-tx-linux.git] / include / linux / icmpv6.h

diff --git a/include/linux/icmpv6.h b/include/linux/icmpv6.h
index 68d3526c3a05dc55c0cbe3fa44bcb2e101d62576..0b5ba5eb7ed2175c83a3a86e855b3790de593f30 100644 (file)
--- a/include/linux/icmpv6.h
+++ b/include/linux/icmpv6.h
@@ -75,6 +75,15 @@ struct icmp6hdr {
 #define icmp6_router_pref      icmp6_dataun.u_nd_ra.router_pref
 };
 
+#ifdef __KERNEL__
+#include <linux/skbuff.h>
+
+static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb)
+{
+       return (struct icmp6hdr *)skb->h.raw;
+}
+#endif
+
 #define ICMPV6_ROUTER_PREF_LOW         0x3
 #define ICMPV6_ROUTER_PREF_MEDIUM      0x0
 #define ICMPV6_ROUTER_PREF_HIGH                0x1