1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef _UAPI_LINUX_IGMP_H 7 #define _UAPI_LINUX_IGMP_H 8 #include <linux/types.h> 9 #include <asm/byteorder.h> 10 struct igmphdr { 11 __u8 type; 12 __u8 code; 13 __sum16 csum; 14 __be32 group; 15 }; 16 #define IGMPV3_MODE_IS_INCLUDE 1 17 #define IGMPV3_MODE_IS_EXCLUDE 2 18 #define IGMPV3_CHANGE_TO_INCLUDE 3 19 #define IGMPV3_CHANGE_TO_EXCLUDE 4 20 #define IGMPV3_ALLOW_NEW_SOURCES 5 21 #define IGMPV3_BLOCK_OLD_SOURCES 6 22 struct igmpv3_grec { 23 __u8 grec_type; 24 __u8 grec_auxwords; 25 __be16 grec_nsrcs; 26 __be32 grec_mca; 27 __be32 grec_src[0]; 28 }; 29 struct igmpv3_report { 30 __u8 type; 31 __u8 resv1; 32 __sum16 csum; 33 __be16 resv2; 34 __be16 ngrec; 35 struct igmpv3_grec grec[0]; 36 }; 37 struct igmpv3_query { 38 __u8 type; 39 __u8 code; 40 __sum16 csum; 41 __be32 group; 42 #if defined(__LITTLE_ENDIAN_BITFIELD) 43 __u8 qrv:3, 44 suppress:1, 45 resv:4; 46 #elif defined(__BIG_ENDIAN_BITFIELD) 47 __u8 resv:4, 48 suppress:1, 49 qrv:3; 50 #else 51 #error "Please fix <asm/byteorder.h>" 52 #endif 53 __u8 qqic; 54 __be16 nsrcs; 55 __be32 srcs[0]; 56 }; 57 #define IGMP_HOST_MEMBERSHIP_QUERY 0x11 58 #define IGMP_HOST_MEMBERSHIP_REPORT 0x12 59 #define IGMP_DVMRP 0x13 60 #define IGMP_PIM 0x14 61 #define IGMP_TRACE 0x15 62 #define IGMPV2_HOST_MEMBERSHIP_REPORT 0x16 63 #define IGMP_HOST_LEAVE_MESSAGE 0x17 64 #define IGMPV3_HOST_MEMBERSHIP_REPORT 0x22 65 #define IGMP_MTRACE_RESP 0x1e 66 #define IGMP_MTRACE 0x1f 67 #define IGMP_DELAYING_MEMBER 0x01 68 #define IGMP_IDLE_MEMBER 0x02 69 #define IGMP_LAZY_MEMBER 0x03 70 #define IGMP_SLEEPING_MEMBER 0x04 71 #define IGMP_AWAKENING_MEMBER 0x05 72 #define IGMP_MINLEN 8 73 #define IGMP_MAX_HOST_REPORT_DELAY 10 74 75 #define IGMP_TIMER_SCALE 10 76 77 #define IGMP_AGE_THRESHOLD 400 78 79 80 #define IGMP_ALL_HOSTS htonl(0xE0000001L) 81 #define IGMP_ALL_ROUTER htonl(0xE0000002L) 82 #define IGMPV3_ALL_MCR htonl(0xE0000016L) 83 #define IGMP_LOCAL_GROUP htonl(0xE0000000L) 84 #define IGMP_LOCAL_GROUP_MASK htonl(0xFFFFFF00L) 85 #endif 86