musl/include/netinet/igmp.h

#ifndef _NETINET_IGMP_H
#define _NETINET_IGMP_H

#include <stdint.h>
#include <netinet/in.h>

struct igmp {
	uint8_t igmp_type;
	uint8_t igmp_code;
	uint16_t igmp_cksum;
	struct in_addr igmp_group;
};

#define IGMP_MINLEN			8

#define IGMP_MEMBERSHIP_QUERY   	0x11
#define IGMP_V1_MEMBERSHIP_REPORT	0x12
#define IGMP_V2_MEMBERSHIP_REPORT	0x16
#define IGMP_V2_LEAVE_GROUP		0x17

#define IGMP_DVMRP			0x13
#define IGMP_PIM			0x14
#define IGMP_TRACE			0x15

#define IGMP_MTRACE_RESP		0x1e
#define IGMP_MTRACE			0x1f

#define IGMP_MAX_HOST_REPORT_DELAY	10
#define IGMP_TIMER_SCALE		10

#define IGMP_DELAYING_MEMBER	1
#define IGMP_IDLE_MEMBER	2
#define IGMP_LAZY_MEMBER	3
#define IGMP_SLEEPING_MEMBER	4
#define IGMP_AWAKENING_MEMBER	5

#define IGMP_v1_ROUTER		1
#define IGMP_v2_ROUTER		2

#define IGMP_HOST_MEMBERSHIP_QUERY	IGMP_MEMBERSHIP_QUERY
#define IGMP_HOST_MEMBERSHIP_REPORT	IGMP_V1_MEMBERSHIP_REPORT
#define IGMP_HOST_NEW_MEMBERSHIP_REPORT	IGMP_V2_MEMBERSHIP_REPORT
#define IGMP_HOST_LEAVE_MESSAGE		IGMP_V2_LEAVE_GROUP

#endif