diff options
Diffstat (limited to 'sys/netinet/igmp.h')
| -rw-r--r-- | sys/netinet/igmp.h | 39 |
1 files changed, 38 insertions, 1 deletions
diff --git a/sys/netinet/igmp.h b/sys/netinet/igmp.h index 05a70fc..4c2f9e0 100644 --- a/sys/netinet/igmp.h +++ b/sys/netinet/igmp.h @@ -55,7 +55,42 @@ struct igmp { struct in_addr igmp_group; /* group address being reported */ }; /* (zero for queries) */ -#define IGMP_MINLEN 8 +struct igmpv3 { + u_char igmp_type; /* version & type of IGMP message */ + u_char igmp_code; /* subtype for routing msgs */ + u_short igmp_cksum; /* IP-style checksum */ + struct in_addr igmp_group; /* group address being reported */ + /* (zero for queries) */ + u_char igmp_misc; /* reserved/suppress/robustness */ + u_char igmp_qqi; /* querier's query interval */ + u_short igmp_numsrc; /* number of sources */ + /*struct in_addr igmp_sources[1];*/ /* source addresses */ +}; + +struct igmp_grouprec { + u_char ig_type; /* record type */ + u_char ig_datalen; /* length of auxiliary data */ + u_short ig_numsrc; /* number of sources */ + struct in_addr ig_group; /* group address being reported */ + /*struct in_addr ig_sources[1];*/ /* source addresses */ +}; + +struct igmp_report { + u_char ir_type; /* record type */ + u_char ir_rsv1; /* reserved */ + u_short ir_cksum; /* checksum */ + u_short ir_rsv2; /* reserved */ + u_short ir_numgrps; /* number of group records */ + struct igmp_grouprec ir_groups[1]; /* group records */ +}; + +#define IGMP_MINLEN 8 +#define IGMP_HDRLEN 8 +#define IGMP_GRPREC_HDRLEN 8 +#define IGMP_PREPEND 0 + +#define IGMP_QRV(pigmp) ((pigmp)->igmp_misc & (0x07)) /* XXX */ +#define IGMP_MAXSOURCES(len) (((len) - 12) >> 2) /* XXX */ /* * Message types, including version number. @@ -71,6 +106,8 @@ struct igmp { #define IGMP_MTRACE_RESP 0x1e /* traceroute resp.(to sender)*/ #define IGMP_MTRACE 0x1f /* mcast traceroute messages */ +#define IGMP_V3_MEMBERSHIP_REPORT 0x22 /* Ver. 3 membership report */ + #define IGMP_MAX_HOST_REPORT_DELAY 10 /* max delay for response to */ /* query (in seconds) according */ /* to RFC1112 */ |
