X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Flinux%2Figmp.h;h=f510e7e382a89f59c68ddc4e306bb32d8749d2ad;hb=4f0eee4d877e3b617b6a22d209d52b3dfca2b2a7;hp=9dbb525c5178d59bef3725ddba461b77342a2c9e;hpb=cfee47f99bc14a6d7c6b0be2284db2cef310a815;p=firefly-linux-kernel-4.4.55.git

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