1 files changed, 23 insertions, 0 deletions

diff --git a/include/linux/igmp.h b/include/linux/igmp.h
index 9dbb525c5178..f510e7e382a8 100644
--- a/include/linux/igmp.h
+++ b/include/linux/igmp.h
@@ -80,6 +80,27 @@ struct igmpv3_query {
         __be32 srcs[0];
 };
 
+#ifdef __KERNEL__
+#include <linux/skbuff.h>
+
+static inline struct igmphdr *igmp_hdr(const struct sk_buff *skb)
+{
+        return (struct igmphdr *)skb_transport_header(skb);
+}
+
+static inline struct igmpv3_report *
+                        igmpv3_report_hdr(const struct sk_buff *skb)
+{
+        return (struct igmpv3_report *)skb_transport_header(skb);
+}
+
+static inline struct igmpv3_query *
+                        igmpv3_query_hdr(const struct sk_buff *skb)
+{
+        return (struct igmpv3_query *)skb_transport_header(skb);
+}
+#endif
+
 #define IGMP_HOST_MEMBERSHIP_QUERY      0x11    /* From RFC1112 */
 #define IGMP_HOST_MEMBERSHIP_REPORT     0x12    /* Ditto */
 #define IGMP_DVMRP                      0x13    /* DVMRP routing */
@@ -218,5 +239,7 @@ extern void ip_mc_up(struct in_device *);
 extern void ip_mc_down(struct in_device *);
 extern void ip_mc_dec_group(struct in_device *in_dev, __be32 addr);
 extern void ip_mc_inc_group(struct in_device *in_dev, __be32 addr);
+extern void ip_mc_rejoin_group(struct ip_mc_list *im);
+
 #endif
 #endif