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/*
* Multicast traceroute related definitions
*
* mtrace.h,v 5.1 1996/12/19 21:31:26 fenner Exp
*/
/*
* The packet format for a traceroute request.
*/
struct tr_query {
u_int32 tr_src; /* traceroute source */
u_int32 tr_dst; /* traceroute destination */
u_int32 tr_raddr; /* traceroute response address */
#if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN)
struct {
u_int qid : 24; /* traceroute query id */
u_int ttl : 8; /* traceroute response ttl */
} q;
#else
struct {
u_int ttl : 8; /* traceroute response ttl */
u_int qid : 24; /* traceroute query id */
} q;
#endif /* BYTE_ORDER */
};
#define tr_rttl q.ttl
#define tr_qid q.qid
/*
* Traceroute response format. A traceroute response has a tr_query at the
* beginning, followed by one tr_resp for each hop taken.
*/
struct tr_resp {
u_int32 tr_qarr; /* query arrival time */
u_int32 tr_inaddr; /* incoming interface address */
u_int32 tr_outaddr; /* outgoing interface address */
u_int32 tr_rmtaddr; /* parent address in source tree */
u_int32 tr_vifin; /* input packet count on interface */
u_int32 tr_vifout; /* output packet count on interface */
u_int32 tr_pktcnt; /* total incoming packets for src-grp */
u_char tr_rproto; /* routing protocol deployed on router */
u_char tr_fttl; /* ttl required to forward on outvif */
u_char tr_smask; /* subnet mask for src addr */
u_char tr_rflags; /* forwarding error codes */
};
/* defs within mtrace */
#define QUERY 1
#define RESP 2
#define QLEN sizeof(struct tr_query)
#define RLEN sizeof(struct tr_resp)
/* fields for tr_rflags (forwarding error codes) */
#define TR_NO_ERR 0
#define TR_WRONG_IF 1
#define TR_PRUNED 2
#define TR_OPRUNED 3
#define TR_SCOPED 4
#define TR_NO_RTE 5
#define TR_NO_FWD 7
#define TR_HIT_RP 8
#define TR_RPF_IF 9
#define TR_NO_MULTI 10
#define TR_NO_SPACE 0x81
#define TR_OLD_ROUTER 0x82
#define TR_ADMIN_PROHIB 0x83
/* fields for tr_rproto (routing protocol) */
#define PROTO_DVMRP 1
#define PROTO_MOSPF 2
#define PROTO_PIM 3
#define PROTO_CBT 4
#define PROTO_PIM_SPECIAL 5
#define PROTO_PIM_STATIC 6
#define PROTO_DVMRP_STATIC 7
#define VAL_TO_MASK(x, i) { \
x = htonl(~((1 << (32 - (i))) - 1)); \
};
#if defined(__STDC__) || defined(__GNUC__)
#define JAN_1970 2208988800UL /* 1970 - 1900 in seconds */
#else
#define JAN_1970 2208988800L /* 1970 - 1900 in seconds */
#define const /**/
#endif
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