1 files changed, 128 insertions, 0 deletions

diff --git a/include/uapi/linux/igmp.h b/include/uapi/linux/igmp.h
new file mode 100644
index 000000000000..ccbb32aa6704
--- /dev/null
+++ b/include/uapi/linux/igmp.h
@@ -0,0 +1,128 @@
+/*
+ *      Linux NET3:     Internet Group Management Protocol  [IGMP]
+ *
+ *      Authors:
+ *              Alan Cox <alan@lxorguk.ukuu.org.uk>
+ *
+ *      Extended to talk the BSD extended IGMP protocol of mrouted 3.6
+ *
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _UAPI_LINUX_IGMP_H
+#define _UAPI_LINUX_IGMP_H
+
+#include <linux/types.h>
+#include <asm/byteorder.h>
+
+/*
+ *      IGMP protocol structures
+ */
+
+/*
+ *      Header in on cable format
+ */
+
+struct igmphdr {
+        __u8 type;
+        __u8 code;              /* For newer IGMP */
+        __sum16 csum;
+        __be32 group;
+};
+
+/* V3 group record types [grec_type] */
+#define IGMPV3_MODE_IS_INCLUDE          1
+#define IGMPV3_MODE_IS_EXCLUDE          2
+#define IGMPV3_CHANGE_TO_INCLUDE        3
+#define IGMPV3_CHANGE_TO_EXCLUDE        4
+#define IGMPV3_ALLOW_NEW_SOURCES        5
+#define IGMPV3_BLOCK_OLD_SOURCES        6
+
+struct igmpv3_grec {
+        __u8    grec_type;
+        __u8    grec_auxwords;
+        __be16  grec_nsrcs;
+        __be32  grec_mca;
+        __be32  grec_src[0];
+};
+
+struct igmpv3_report {
+        __u8 type;
+        __u8 resv1;
+        __be16 csum;
+        __be16 resv2;
+        __be16 ngrec;
+        struct igmpv3_grec grec[0];
+};
+
+struct igmpv3_query {
+        __u8 type;
+        __u8 code;
+        __be16 csum;
+        __be32 group;
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+        __u8 qrv:3,
+             suppress:1,
+             resv:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+        __u8 resv:4,
+             suppress:1,
+             qrv:3;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+        __u8 qqic;
+        __be16 nsrcs;
+        __be32 srcs[0];
+};
+
+#define IGMP_HOST_MEMBERSHIP_QUERY      0x11    /* From RFC1112 */
+#define IGMP_HOST_MEMBERSHIP_REPORT     0x12    /* Ditto */
+#define IGMP_DVMRP                      0x13    /* DVMRP routing */
+#define IGMP_PIM                        0x14    /* PIM routing */
+#define IGMP_TRACE                      0x15
+#define IGMPV2_HOST_MEMBERSHIP_REPORT   0x16    /* V2 version of 0x12 */
+#define IGMP_HOST_LEAVE_MESSAGE         0x17
+#define IGMPV3_HOST_MEMBERSHIP_REPORT   0x22    /* V3 version of 0x12 */
+
+#define IGMP_MTRACE_RESP                0x1e
+#define IGMP_MTRACE                     0x1f
+
+
+/*
+ *      Use the BSD names for these for compatibility
+ */
+
+#define IGMP_DELAYING_MEMBER            0x01
+#define IGMP_IDLE_MEMBER                0x02
+#define IGMP_LAZY_MEMBER                0x03
+#define IGMP_SLEEPING_MEMBER            0x04
+#define IGMP_AWAKENING_MEMBER           0x05
+
+#define IGMP_MINLEN                     8
+
+#define IGMP_MAX_HOST_REPORT_DELAY      10      /* max delay for response to */
+                                                /* query (in seconds)   */
+
+#define IGMP_TIMER_SCALE                10      /* denotes that the igmphdr->timer field */
+                                                /* specifies time in 10th of seconds     */
+
+#define IGMP_AGE_THRESHOLD              400     /* If this host don't hear any IGMP V1  */
+                                                /* message in this period of time,      */
+                                                /* revert to IGMP v2 router.            */
+
+#define IGMP_ALL_HOSTS          htonl(0xE0000001L)
+#define IGMP_ALL_ROUTER         htonl(0xE0000002L)
+#define IGMPV3_ALL_MCR          htonl(0xE0000016L)
+#define IGMP_LOCAL_GROUP        htonl(0xE0000000L)
+#define IGMP_LOCAL_GROUP_MASK   htonl(0xFFFFFF00L)
+
+/*
+ * struct for keeping the multicast list in
+ */
+
+#endif /* _UAPI_LINUX_IGMP_H */