diff options
Diffstat (limited to 'usr.sbin/pim6dd/trace.h')
| -rw-r--r-- | usr.sbin/pim6dd/trace.h | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/usr.sbin/pim6dd/trace.h b/usr.sbin/pim6dd/trace.h new file mode 100644 index 0000000..31e79c7 --- /dev/null +++ b/usr.sbin/pim6dd/trace.h @@ -0,0 +1,204 @@ +/* + * Copyright (C) 1999 WIDE Project. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the project nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ +/* + * Copyright (c) 1998 by the University of Southern California. + * All rights reserved. + * + * Permission to use, copy, modify, and distribute this software and + * its documentation in source and binary forms for lawful + * purposes and without fee is hereby granted, provided + * that the above copyright notice appear in all copies and that both + * the copyright notice and this permission notice appear in supporting + * documentation, and that any documentation, advertising materials, + * and other materials related to such distribution and use acknowledge + * that the software was developed by the University of Southern + * California and/or Information Sciences Institute. + * The name of the University of Southern California may not + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THE UNIVERSITY OF SOUTHERN CALIFORNIA DOES NOT MAKE ANY REPRESENTATIONS + * ABOUT THE SUITABILITY OF THIS SOFTWARE FOR ANY PURPOSE. THIS SOFTWARE IS + * PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND + * NON-INFRINGEMENT. + * + * IN NO EVENT SHALL USC, OR ANY OTHER CONTRIBUTOR BE LIABLE FOR ANY + * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES, WHETHER IN CONTRACT, + * TORT, OR OTHER FORM OF ACTION, ARISING OUT OF OR IN CONNECTION WITH, + * THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * Other copyrights might apply to parts of this software and are so + * noted when applicable. + */ +/* + * Questions concerning this software should be directed to + * Pavlin Ivanov Radoslavov (pavlin@catarina.usc.edu) + * + * $Id: trace.h,v 1.2 1999/09/12 17:00:10 jinmei Exp $ + */ +/* + * Part of this program has been derived from mrouted. + * The mrouted program is covered by the license in the accompanying file + * named "LICENSE.mrouted". + * + * The mrouted program is COPYRIGHT 1989 by The Board of Trustees of + * Leland Stanford Junior University. + * + * $FreeBSD$ + */ + + +/* + * The packet format for a traceroute request. + */ +struct tr6_query { + struct in6_addr tr_src; /* traceroute source */ + struct in6_addr tr_dst; /* traceroute destination */ + struct in6_addr tr_raddr; /* traceroute response address */ +#if defined(BYTE_ORDER) && (BYTE_ORDER == LITTLE_ENDIAN) + struct { + u_int32_t qid : 24; /* traceroute query id */ + u_int32_t rhlim : 8; /* traceroute response ttl */ + } q; +#else + struct { + u_int32_t rhlim : 8; /* traceroute response ttl */ + u_int32_t qid : 24; /* traceroute query id */ + } q; +#endif /* BYTE_ORDER */ +}; + +#define tr_rhlim q.rhlim +#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 tr6_resp { + u_int32_t tr_qarr; /* query arrival time */ +#if 0 + struct in6_addr tr_inaddr; /* incoming interface address */ + struct in6_addr tr_outaddr; /* outgoing interface address */ +#endif + u_int32_t tr_inifid; /* incoming interface identifier */ + u_int32_t tr_outifid; /* outgoing interface identifier */ + struct in6_addr tr_lcladdr; /* router's address(must have largest scope) */ + struct in6_addr tr_rmtaddr; /* parent address in source tree */ + u_int32_t tr_vifin; /* input packet count on interface */ + u_int32_t tr_vifout; /* output packet count on interface */ + u_int32_t tr_pktcnt; /* total incoming packets for src-grp */ + u_char tr_rproto; /* routing protocol deployed on router */ +#if 0 + u_char tr_fhlim; /* hop limit required to forward on outvif */ +#endif + u_char tr_flags; /* flags */ + u_char tr_plen; /* prefix length for src addr */ + u_char tr_rflags; /* forwarding error codes */ +}; + +/* defs within mtrace */ +#define QUERY 1 +#define RESP 2 +#define QLEN sizeof(struct tr6_query) +#define RLEN sizeof(struct tr6_resp) + +/* fields for tr_inifid and tr_outifid */ +#define TR_NO_VIF 0xffffffff/* interface can't be determined */ + +/* fields for tr_rflags (forwarding error codes) */ +#define TR_NO_ERR 0 /* No error */ +#define TR_WRONG_IF 1 /* traceroute arrived on non-oif */ +#define TR_PRUNED 2 /* router has sent a prune upstream */ +#define TR_OPRUNED 3 /* stop forw. after request from next hop rtr*/ +#define TR_SCOPED 4 /* group adm. scoped at this hop */ +#define TR_NO_RTE 5 /* no route for the source */ +#define TR_NO_LHR 6 /* not the last-hop router */ +#define TR_NO_FWD 7 /* not forwarding for this (S,G). Reason = ? */ +#define TR_RP 8 /* I am the RP/Core */ +#define TR_IIF 9 /* request arrived on the iif */ +#define TR_NO_MULTI 0x0a /* multicast disabled on that interface */ +#define TR_NO_SPACE 0x81 /* no space to insert responce data block */ +#define TR_OLD_ROUTER 0x82 /* previous hop does not support traceroute */ +#define TR_ADMIN_PROHIB 0x83 /* traceroute adm. prohibited */ + +/* fields for tr_flags */ +#define TR_SUBNET_COUNT 0x80 /* pkt count for (S,G) is for source network */ + +/* fields for r_plen */ +#define TR_GROUP_ONLY 0xff /* forwarding solely on group state */ + +/* fields for packets count */ +#define TR_CANT_COUNT 0xffffffff /* no count can be reported */ + +/* 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 MASK_TO_VAL(x, i) { \ + u_int32_t _x = ntohl(x); \ + (i) = 1; \ + while ((_x) <<= 1) \ + (i)++; \ + }; + +#define VAL_TO_MASK(x, i) { \ + x = htonl(~((1 << (32 - (i))) - 1)); \ + }; + +#define MASKLEN_TO_MASK6(masklen, mask6) \ + do {\ + u_char maskarray[8] = \ + {0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff}; \ + int bytelen, bitlen, i; \ + memset(&(mask6), 0, sizeof(mask6));\ + bytelen = (masklen) / 8;\ + bitlen = (masklen) % 8;\ + for (i = 0; i < bytelen; i++) \ + (mask6).s6_addr[i] = 0xff;\ + if (bitlen) \ + (mask6).s6_addr[bytelen] = maskarray[bitlen - 1]; \ + }while(0); + +/* obnoxious gcc gives an extraneous warning about this constant... */ +#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 + +#define NBR_VERS(n) (((n)->al_pv << 8) + (n)->al_mv) |
