1#pragma once 2 3#include <netinet/in.h> 4#include <stdint.h> 5 6struct igmp { 7 uint8_t igmp_type; 8 uint8_t igmp_code; 9 uint16_t igmp_cksum; 10 struct in_addr igmp_group; 11}; 12 13#define IGMP_MINLEN 8 14 15#define IGMP_MEMBERSHIP_QUERY 0x11 16#define IGMP_V1_MEMBERSHIP_REPORT 0x12 17#define IGMP_V2_MEMBERSHIP_REPORT 0x16 18#define IGMP_V2_LEAVE_GROUP 0x17 19 20#define IGMP_DVMRP 0x13 21#define IGMP_PIM 0x14 22#define IGMP_TRACE 0x15 23 24#define IGMP_MTRACE_RESP 0x1e 25#define IGMP_MTRACE 0x1f 26 27#define IGMP_MAX_HOST_REPORT_DELAY 10 28#define IGMP_TIMER_SCALE 10 29 30#define IGMP_DELAYING_MEMBER 1 31#define IGMP_IDLE_MEMBER 2 32#define IGMP_LAZY_MEMBER 3 33#define IGMP_SLEEPING_MEMBER 4 34#define IGMP_AWAKENING_MEMBER 5 35 36#define IGMP_v1_ROUTER 1 37#define IGMP_v2_ROUTER 2 38 39#define IGMP_HOST_MEMBERSHIP_QUERY IGMP_MEMBERSHIP_QUERY 40#define IGMP_HOST_MEMBERSHIP_REPORT IGMP_V1_MEMBERSHIP_REPORT 41#define IGMP_HOST_NEW_MEMBERSHIP_REPORT IGMP_V2_MEMBERSHIP_REPORT 42#define IGMP_HOST_LEAVE_MESSAGE IGMP_V2_LEAVE_GROUP 43