usr.sbin/mrouted/mtrace.h

   1 /*
   2  * Multicast traceroute related definitions
   3  *
   4  * mtrace.h,v 5.2 1998/12/04 04:48:21 fenner Exp
   5  */
   6
   7 /*
   8  * NetBSD renamed the mtrace packet types.
   9  */
  10 #if !defined(IGMP_MTRACE_RESP) && defined(IGMP_MTRACE_REPLY)
  11 #define IGMP_MTRACE_RESP                IGMP_MTRACE_REPLY
  12 #define IGMP_MTRACE                     IGMP_MTRACE_QUERY
  13 #endif
  14
  15 /*
  16  * The packet format for a traceroute request.
  17  */
  18 struct tr_query {
  19     u_int32  tr_src;            /* traceroute source */
  20     u_int32  tr_dst;            /* traceroute destination */
  21     u_int32  tr_raddr;          /* traceroute response address */
  22     u_int32  tr_rttlqid;        /* response ttl and qid */
  23 };
  24
  25 #define TR_SETTTL(x, ttl)       (x = (x & 0x00ffffff) | ((ttl) << 24))
  26 #define TR_GETTTL(x)            (((x) >> 24) & 0xff)
  27 #define TR_SETQID(x, qid)       (x = (x & 0xff000000) | ((qid) & 0x00ffffff))
  28 #define TR_GETQID(x)            ((x) & 0x00ffffff)
  29
  30 /*
  31  * Traceroute response format.  A traceroute response has a tr_query at the
  32  * beginning, followed by one tr_resp for each hop taken.
  33  */
  34 struct tr_resp {
  35     u_int32 tr_qarr;            /* query arrival time */
  36     u_int32 tr_inaddr;          /* incoming interface address */
  37     u_int32 tr_outaddr;         /* outgoing interface address */
  38     u_int32 tr_rmtaddr;         /* parent address in source tree */
  39     u_int32 tr_vifin;           /* input packet count on interface */
  40     u_int32 tr_vifout;          /* output packet count on interface */
  41     u_int32 tr_pktcnt;          /* total incoming packets for src-grp */
  42     u_char  tr_rproto;          /* routing protocol deployed on router */
  43     u_char  tr_fttl;            /* ttl required to forward on outvif */
  44     u_char  tr_smask;           /* subnet mask for src addr */
  45     u_char  tr_rflags;          /* forwarding error codes */
  46 };
  47
  48 /* defs within mtrace */
  49 #define QLEN    sizeof(struct tr_query)
  50 #define RLEN    sizeof(struct tr_resp)
  51
  52 /* fields for tr_rflags (forwarding error codes) */
  53 #define TR_NO_ERR       0
  54 #define TR_WRONG_IF     1
  55 #define TR_PRUNED       2
  56 #define TR_OPRUNED      3
  57 #define TR_SCOPED       4
  58 #define TR_NO_RTE       5
  59 #define TR_NO_FWD       7
  60 #define TR_HIT_RP       8
  61 #define TR_RPF_IF       9
  62 #define TR_NO_MULTI     10
  63 #define TR_NO_SPACE     0x81
  64 #define TR_OLD_ROUTER   0x82
  65 #define TR_ADMIN_PROHIB 0x83
  66
  67 /* fields for tr_rproto (routing protocol) */
  68 #define PROTO_DVMRP             1
  69 #define PROTO_MOSPF             2
  70 #define PROTO_PIM               3
  71 #define PROTO_CBT               4
  72 #define PROTO_PIM_SPECIAL       5
  73 #define PROTO_PIM_STATIC        6
  74 #define PROTO_DVMRP_STATIC      7
  75 #define PROTO_PIM_BGP4PLUS      8
  76 #define PROTO_CBT_SPECIAL       9
  77 #define PROTO_CBT_STATIC        10
  78 #define PROTO_PIM_ASSERT        11
  79
  80 #define VAL_TO_MASK(x, i) { \
  81                         x = htonl(~((1 << (32 - (i))) - 1)); \
  82                         };
  83
  84 #if defined(__STDC__) || defined(__GNUC__)
  85 #define JAN_1970        2208988800UL    /* 1970 - 1900 in seconds */
  86 #else
  87 #define JAN_1970        2208988800L     /* 1970 - 1900 in seconds */
  88 #define const           /**/
  89 #endif