diff options
Diffstat (limited to 'src/proto.c')
| -rw-r--r-- | src/proto.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/proto.c b/src/proto.c index d178bf39..f68fb684 100644 --- a/src/proto.c +++ b/src/proto.c @@ -357,6 +357,55 @@ const struct proto_desc proto_icmp = { }; /* + * IGMP + */ + +#include <netinet/igmp.h> + +#ifndef IGMP_V3_MEMBERSHIP_REPORT +#define IGMP_V3_MEMBERSHIP_REPORT 0x22 +#endif + +static const struct symbol_table igmp_type_tbl = { + .base = BASE_DECIMAL, + .symbols = { + SYMBOL("membership-query", IGMP_MEMBERSHIP_QUERY), + SYMBOL("membership-report-v1", IGMP_V1_MEMBERSHIP_REPORT), + SYMBOL("membership-report-v2", IGMP_V2_MEMBERSHIP_REPORT), + SYMBOL("membership-report-v3", IGMP_V3_MEMBERSHIP_REPORT), + SYMBOL("leave-group", IGMP_V2_LEAVE_GROUP), + SYMBOL_LIST_END + }, +}; + +const struct datatype igmp_type_type = { + .type = TYPE_IGMP_TYPE, + .name = "igmp_type", + .desc = "IGMP type", + .byteorder = BYTEORDER_BIG_ENDIAN, + .size = BITS_PER_BYTE, + .basetype = &integer_type, + .sym_tbl = &igmp_type_tbl, +}; + +#define IGMPHDR_FIELD(__name, __member) \ + HDR_FIELD(__name, struct igmp, __member) +#define IGMPHDR_TYPE(__name, __type, __member) \ + HDR_TYPE(__name, __type, struct igmp, __member) + +const struct proto_desc proto_igmp = { + .name = "igmp", + .base = PROTO_BASE_TRANSPORT_HDR, + .checksum_key = IGMPHDR_CHECKSUM, + .templates = { + [IGMPHDR_TYPE] = IGMPHDR_TYPE("type", &igmp_type_type, igmp_type), + [IGMPHDR_MRT] = IGMPHDR_FIELD("mrt", igmp_code), + [IGMPHDR_CHECKSUM] = IGMPHDR_FIELD("checksum", igmp_cksum), + [IGMPHDR_GROUP] = IGMPHDR_FIELD("group", igmp_group), + }, +}; + +/* * UDP/UDP-Lite */ @@ -591,6 +640,7 @@ const struct proto_desc proto_ip = { .checksum_key = IPHDR_CHECKSUM, .protocols = { PROTO_LINK(IPPROTO_ICMP, &proto_icmp), + PROTO_LINK(IPPROTO_IGMP, &proto_igmp), PROTO_LINK(IPPROTO_ICMPV6, &proto_icmp6), PROTO_LINK(IPPROTO_ESP, &proto_esp), PROTO_LINK(IPPROTO_AH, &proto_ah), @@ -720,6 +770,7 @@ const struct proto_desc proto_ip6 = { PROTO_LINK(IPPROTO_DCCP, &proto_dccp), PROTO_LINK(IPPROTO_SCTP, &proto_sctp), PROTO_LINK(IPPROTO_ICMP, &proto_icmp), + PROTO_LINK(IPPROTO_IGMP, &proto_igmp), PROTO_LINK(IPPROTO_ICMPV6, &proto_icmp6), }, .templates = { @@ -784,6 +835,7 @@ const struct proto_desc proto_inet_service = { PROTO_LINK(IPPROTO_DCCP, &proto_dccp), PROTO_LINK(IPPROTO_SCTP, &proto_sctp), PROTO_LINK(IPPROTO_ICMP, &proto_icmp), + PROTO_LINK(IPPROTO_IGMP, &proto_igmp), PROTO_LINK(IPPROTO_ICMPV6, &proto_icmp6), }, .templates = { |