2 * Definitions for IPv6 packet disassembly
4 * $Id: packet-ipv6.h,v 1.26 2002/01/21 07:36:35 guy Exp $
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@ethereal.com>
9 * Copyright 1998 Gerald Combs
11 * MobileIPv6 support added by Tomislav Borosa <tomislav.borosa@siemens.hr>
13 * HMIPv6 support added by Martti Kuparinen <martti.kuparinen@iki.fi>
15 * This program is free software; you can redistribute it and/or
16 * modify it under the terms of the GNU General Public License
17 * as published by the Free Software Foundation; either version 2
18 * of the License, or (at your option) any later version.
20 * This program is distributed in the hope that it will be useful,
21 * but WITHOUT ANY WARRANTY; without even the implied warranty of
22 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23 * GNU General Public License for more details.
25 * You should have received a copy of the GNU General Public License
26 * along with this program; if not, write to the Free Software
27 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 #ifndef __PACKET_IPV6_H_DEFINED__
31 #define __PACKET_IPV6_H_DEFINED__
33 #include <epan/ipv6-utils.h>
35 #define INET6_ADDRSTRLEN 46
38 * Definition for internet protocol version 6.
44 guint32 ip6_un1_flow; /* 20 bits of flow-ID */
45 guint16 ip6_un1_plen; /* payload length */
46 guint8 ip6_un1_nxt; /* next header */
47 guint8 ip6_un1_hlim; /* hop limit */
49 guint8 ip6_un2_vfc; /* 4 bits version, 4 bits class */
51 struct e_in6_addr ip6_src; /* source address */
52 struct e_in6_addr ip6_dst; /* destination address */
55 #define ip6_vfc ip6_ctlun.ip6_un2_vfc
56 #define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow
57 #define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen
58 #define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt
59 #define ip6_hlim ip6_ctlun.ip6_un1.ip6_un1_hlim
60 #define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim
62 /* Offsets of fields within an IPv6 header. */
64 #define IP6H_CTL_FLOW 0
65 #define IP6H_CTL_PLEN 4
66 #define IP6H_CTL_NXT 6
67 #define IP6H_CTL_HLIM 7
68 #define IP6H_CTL_VFC 0
72 #define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */
73 #define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */
84 /* Hop-by-Hop options header */
85 /* XXX should we pad it to force alignment on an 8-byte boundary? */
87 guint8 ip6h_nxt; /* next header */
88 guint8 ip6h_len; /* length in units of 8 octets */
89 /* followed by options */
92 /* Destination options header */
93 /* XXX should we pad it to force alignment on an 8-byte boundary? */
95 guint8 ip6d_nxt; /* next header */
96 guint8 ip6d_len; /* length in units of 8 octets */
97 /* followed by options */
100 /* Option types and related macros */
101 #define IP6OPT_PAD1 0x00 /* 00 0 00000 */
102 #define IP6OPT_PADN 0x01 /* 00 0 00001 */
103 #define IP6OPT_JUMBO 0xC2 /* 11 0 00010 = 194 */
104 #define IP6OPT_JUMBO_LEN 6
105 #define IP6OPT_RTALERT 0x05 /* 00 0 00101 */
107 #define IP6OPT_RTALERT_LEN 4
108 #define IP6OPT_RTALERT_MLD 0 /* Datagram contains MLD message */
109 #define IP6OPT_RTALERT_RSVP 1 /* Datagram contains RSVP message */
110 #define IP6OPT_RTALERT_ACTNET 2 /* contains an Active Networks msg */
111 #define IP6OPT_MINLEN 2
113 #define IP6OPT_BINDING_UPDATE 0xC6 /* 11 0 00110 */
114 #define IP6OPT_BINDING_ACK 0x07 /* 00 0 00111 */
115 #define IP6OPT_BINDING_REQUEST 0x08 /* 00 0 01000 */
116 #define IP6OPT_HOME_ADDRESS 0xC9 /* 11 0 01001 */
117 #define IP6OPT_EID 0x8a /* 10 0 01010 */
118 #define IP6OPT_MIPv6_UNIQUE_ID_SUB 0x02 /* 00 0 00010 */
119 #define IP6OPT_MIPv6_ALTERNATIVE_COA_SUB 0x04 /* 00 0 00100 */
121 #define IP6OPT_TYPE(o) ((o) & 0xC0)
122 #define IP6OPT_TYPE_SKIP 0x00
123 #define IP6OPT_TYPE_DISCARD 0x40
124 #define IP6OPT_TYPE_FORCEICMP 0x80
125 #define IP6OPT_TYPE_ICMP 0xC0
127 #define IP6OPT_MUTABLE 0x20
130 #define MIP_INFINITY 0xffffffff /* Infinity lifetime */
132 /* Binding Update Flags */
133 #define IP6_MIPv6_BU_A_FLAG 0x80 /* 1000 0000 - Acknowledge */
134 #define IP6_MIPv6_BU_H_FLAG 0x40 /* 0100 0000 - Home Registration */
135 #define IP6_MIPv6_BU_R_FLAG 0x20 /* 0010 0000 - Router */
136 #define IP6_MIPv6_BU_D_FLAG 0x10 /* 0001 0000 - Duplicate Address Detection */
137 #define IP6_MIPv6_BU_M_FLAG 0x8 /* 0000 1000 - MAP Registration */
138 #define IP6_MIPv6_BU_B_FLAG 0x4 /* 0000 0100 - Request for bicasting */
140 #define IP6_MIPv6_OPTION_TYPE_LENGTH 1
141 #define IP6_MIPv6_OPTION_LENGTH_LENGTH 1
142 #define IP6_MIPv6_FLAGS_LENGTH 1
143 #define IP6_MIPv6_PREFIX_LENGTH_LENGTH 1
144 #define IP6_MIPv6_SEQUENCE_NUMBER_LENGTH 2
145 #define IP6_MIPv6_LIFE_TIME_LENGTH 4
146 #define IP6_MIPv6_REFRESH_LENGTH 4
147 #define IP6_MIPv6_STATUS_LENGTH 1
148 #define IP6_MIPv6_HOME_ADDRESS_LENGTH 16
149 #define IP6_MIPv6_SUB_TYPE_LENGTH 1
150 #define IP6_MIPv6_SUB_LENGTH_LENGTH 1
151 #define IP6_MIPv6_SUB_UNIQUE_ID_LENGTH 2
152 #define IP6_MIPv6_SUB_ALTERNATIVE_COA_LENGTH 16
154 /* Binding Ackonwledgement Status */
155 #define BA_OK 0 /* Binding update accepted */
156 #define BA_REAS_UNSPEC 128 /*Reason unspecified */
157 #define BA_ADMIN_PROH 130 /* Administratively prohibited */
158 #define BA_INSUF_RES 131 /* Insufficient resources */
159 #define BA_NO_HR 132 /* Home registration not supported */
160 #define BA_NO_SUBNET 133 /* Not home subnet */
161 #define BA_ERR_ID_LEN 136 /* Incorrect interface identifier length */
162 #define BA_NO_HA 137 /* Not home agent for this mobile node */
163 #define BA_DUPL_ADDR 138 /* Duplicate Address Detection failed */
167 guint8 ip6r_nxt; /* next header */
168 guint8 ip6r_len; /* length in units of 8 octets */
169 guint8 ip6r_type; /* routing type */
170 guint8 ip6r_segleft; /* segments left */
171 /* followed by routing type specific data */
174 /* Type 0 Routing header */
176 guint8 ip6r0_nxt; /* next header */
177 guint8 ip6r0_len; /* length in units of 8 octets */
178 guint8 ip6r0_type; /* always zero */
179 guint8 ip6r0_segleft; /* segments left */
180 guint8 ip6r0_reserved; /* reserved field */
181 guint8 ip6r0_slmap[3]; /* strict/loose bit map */
182 struct e_in6_addr ip6r0_addr[1]; /* up to 23 addresses */
185 /* Fragment header */
187 guint8 ip6f_nxt; /* next header */
188 guint8 ip6f_reserved; /* reserved field */
189 guint16 ip6f_offlg; /* offset, reserved, and flag */
190 guint32 ip6f_ident; /* identification */
193 #define IP6F_OFF_MASK 0xfff8 /* mask out offset from _offlg */
194 #define IP6F_RESERVED_MASK 0x0006 /* reserved bits in ip6f_offlg */
195 #define IP6F_MORE_FRAG 0x0001 /* more-fragments flag */
198 * Definition for ICMPv6.
202 #define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr)
203 - sizeof(struct icmp6_hdr) */
206 guint8 icmp6_type; /* type field */
207 guint8 icmp6_code; /* code field */
208 guint16 icmp6_cksum; /* checksum field */
210 guint32 icmp6_un_data32[1]; /* type-specific field */
211 guint16 icmp6_un_data16[2]; /* type-specific field */
212 guint8 icmp6_un_data8[4]; /* type-specific field */
216 #define icmp6_data32 icmp6_dataun.icmp6_un_data32
217 #define icmp6_data16 icmp6_dataun.icmp6_un_data16
218 #define icmp6_data8 icmp6_dataun.icmp6_un_data8
219 #define icmp6_pptr icmp6_data32[0] /* parameter prob */
220 #define icmp6_mtu icmp6_data32[0] /* packet too big */
221 #define icmp6_id icmp6_data16[0] /* echo request/reply */
222 #define icmp6_seq icmp6_data16[1] /* echo request/reply */
223 #define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */
225 #define ICMP6_DST_UNREACH 1 /* dest unreachable, codes: */
226 #define ICMP6_PACKET_TOO_BIG 2 /* packet too big */
227 #define ICMP6_TIME_EXCEEDED 3 /* time exceeded, code: */
228 #define ICMP6_PARAM_PROB 4 /* ip6 header bad */
230 #define ICMP6_ECHO_REQUEST 128 /* echo service */
231 #define ICMP6_ECHO_REPLY 129 /* echo reply */
232 #define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */
233 #define MLD6_LISTENER_QUERY 130 /* multicast listener query */
234 #define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
235 #define MLD6_LISTENER_REPORT 131 /* multicast listener report */
236 #define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */
237 #define MLD6_LISTENER_DONE 132 /* multicast listener done */
239 #define ND_ROUTER_SOLICIT 133 /* router solicitation */
240 #define ND_ROUTER_ADVERT 134 /* router advertisment */
241 #define ND_NEIGHBOR_SOLICIT 135 /* neighbor solicitation */
242 #define ND_NEIGHBOR_ADVERT 136 /* neighbor advertisment */
243 #define ND_REDIRECT 137 /* redirect */
245 #define ICMP6_ROUTER_RENUMBERING 138 /* router renumbering */
247 #define ICMP6_WRUREQUEST 139 /* who are you request */
248 #define ICMP6_WRUREPLY 140 /* who are you reply */
249 #define ICMP6_FQDN_QUERY 139 /* FQDN query */
250 #define ICMP6_FQDN_REPLY 140 /* FQDN reply */
251 #define ICMP6_NI_QUERY 139 /* node information request */
252 #define ICMP6_NI_REPLY 140 /* node information reply */
254 /* The definitions below are experimental. TBA */
255 #define MLD6_MTRACE_RESP 141 /* mtrace response(to sender) */
256 #define MLD6_MTRACE 142 /* mtrace messages */
258 #define ICMP6_MAXTYPE 142
260 #define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
261 #define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */
262 #define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor(obsolete) */
263 #define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
264 #define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */
265 #define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */
267 #define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
268 #define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
270 #define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
271 #define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
272 #define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
274 #define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */
276 #define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
277 #define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
278 #define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
280 #define ICMP6_NI_SUCCESS 0 /* node information successful reply */
281 #define ICMP6_NI_REFUSED 1 /* node information request is refused */
282 #define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */
284 #define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */
285 #define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */
286 #define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 /* rr seq num reset */
289 * Multicast Listener Discovery
292 struct icmp6_hdr mld6_hdr;
293 struct e_in6_addr mld6_addr; /* multicast address */
296 #define mld6_type mld6_hdr.icmp6_type
297 #define mld6_code mld6_hdr.icmp6_code
298 #define mld6_cksum mld6_hdr.icmp6_cksum
299 #define mld6_maxdelay mld6_hdr.icmp6_data16[0]
300 #define mld6_reserved mld6_hdr.icmp6_data16[1]
306 struct nd_router_solicit { /* router solicitation */
307 struct icmp6_hdr nd_rs_hdr;
308 /* could be followed by options */
311 #define nd_rs_type nd_rs_hdr.icmp6_type
312 #define nd_rs_code nd_rs_hdr.icmp6_code
313 #define nd_rs_cksum nd_rs_hdr.icmp6_cksum
314 #define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]
316 struct nd_router_advert { /* router advertisement */
317 struct icmp6_hdr nd_ra_hdr;
318 guint32 nd_ra_reachable; /* reachable time */
319 guint32 nd_ra_retransmit; /* retransmit timer */
320 /* could be followed by options */
323 #define nd_ra_type nd_ra_hdr.icmp6_type
324 #define nd_ra_code nd_ra_hdr.icmp6_code
325 #define nd_ra_cksum nd_ra_hdr.icmp6_cksum
326 #define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
327 #define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
328 #define ND_RA_FLAG_MANAGED 0x80
329 #define ND_RA_FLAG_OTHER 0x40
330 #define ND_RA_FLAG_HOME_AGENT 0x20
333 * Router preference values based on draft-draves-ipngwg-router-selection-01.
334 * These are non-standard definitions.
336 #define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
338 #define ND_RA_FLAG_RTPREF_HIGH 0x08 /* 00001000 */
339 #define ND_RA_FLAG_RTPREF_MEDIUM 0x00 /* 00000000 */
340 #define ND_RA_FLAG_RTPREF_LOW 0x18 /* 00011000 */
341 #define ND_RA_FLAG_RTPREF_RSV 0x10 /* 00010000 */
343 #define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
345 struct nd_neighbor_solicit { /* neighbor solicitation */
346 struct icmp6_hdr nd_ns_hdr;
347 struct e_in6_addr nd_ns_target; /*target address */
348 /* could be followed by options */
351 #define nd_ns_type nd_ns_hdr.icmp6_type
352 #define nd_ns_code nd_ns_hdr.icmp6_code
353 #define nd_ns_cksum nd_ns_hdr.icmp6_cksum
354 #define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
356 struct nd_neighbor_advert { /* neighbor advertisement */
357 struct icmp6_hdr nd_na_hdr;
358 struct e_in6_addr nd_na_target; /* target address */
359 /* could be followed by options */
362 #define nd_na_type nd_na_hdr.icmp6_type
363 #define nd_na_code nd_na_hdr.icmp6_code
364 #define nd_na_cksum nd_na_hdr.icmp6_cksum
365 #define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]
366 #define ND_NA_FLAG_ROUTER 0x80000000
367 #define ND_NA_FLAG_SOLICITED 0x40000000
368 #define ND_NA_FLAG_OVERRIDE 0x20000000
370 struct nd_redirect { /* redirect */
371 struct icmp6_hdr nd_rd_hdr;
372 struct e_in6_addr nd_rd_target; /* target address */
373 struct e_in6_addr nd_rd_dst; /* destination address */
374 /* could be followed by options */
377 #define nd_rd_type nd_rd_hdr.icmp6_type
378 #define nd_rd_code nd_rd_hdr.icmp6_code
379 #define nd_rd_cksum nd_rd_hdr.icmp6_cksum
380 #define nd_rd_reserved nd_rd_hdr.icmp6_data32[0]
382 struct nd_opt_hdr { /* Neighbor discovery option header */
385 /* followed by option specific data*/
388 #define ND_OPT_SOURCE_LINKADDR 1
389 #define ND_OPT_TARGET_LINKADDR 2
390 #define ND_OPT_PREFIX_INFORMATION 3
391 #define ND_OPT_REDIRECTED_HEADER 4
393 #define ND_OPT_ADVINTERVAL 7
394 #define ND_OPT_HOMEAGENT_INFO 8
395 #define ND_OPT_SOURCE_ADDRLIST 9
396 #define ND_OPT_TARGET_ADDRLIST 10
398 /* draft-ietf-ipngwg-router-preference, not officially assigned yet */
399 #define ND_OPT_ROUTE_INFO 200
400 /* draft-ietf-mobileip-hmipv6, not officially assigned yet */
401 #define ND_OPT_MAP 201
403 struct nd_opt_prefix_info { /* prefix information */
404 guint8 nd_opt_pi_type;
405 guint8 nd_opt_pi_len;
406 guint8 nd_opt_pi_prefix_len;
407 guint8 nd_opt_pi_flags_reserved;
408 guint32 nd_opt_pi_valid_time;
409 guint32 nd_opt_pi_preferred_time;
410 guint32 nd_opt_pi_reserved2;
411 struct e_in6_addr nd_opt_pi_prefix;
414 #define ND_OPT_PI_FLAG_ONLINK 0x80
415 #define ND_OPT_PI_FLAG_AUTO 0x40
416 #define ND_OPT_PI_FLAG_ROUTER 0x20
417 #define ND_OPT_PI_FLAG_SITEPREF 0x10
419 struct nd_opt_rd_hdr { /* redirected header */
420 guint8 nd_opt_rh_type;
421 guint8 nd_opt_rh_len;
422 guint16 nd_opt_rh_reserved1;
423 guint32 nd_opt_rh_reserved2;
424 /* followed by IP header and data */
427 struct nd_opt_mtu { /* MTU option */
428 guint8 nd_opt_mtu_type;
429 guint8 nd_opt_mtu_len;
430 guint16 nd_opt_mtu_reserved;
431 guint32 nd_opt_mtu_mtu;
434 struct nd_opt_adv_int { /* Advertisement Interval option */
435 guint8 nd_opt_adv_int_type;
436 guint8 nd_opt_adv_int_len;
437 guint16 nd_opt_adv_int_reserved;
438 guint32 nd_opt_adv_int_advint;
441 struct nd_opt_ha_info { /* Home Agent Information option */
442 guint8 nd_opt_ha_info_type;
443 guint8 nd_opt_ha_info_len;
444 guint16 nd_opt_ha_info_reserved;
445 guint16 nd_opt_ha_info_ha_pref;
446 guint16 nd_opt_ha_info_ha_life;
449 struct nd_opt_route_info { /* route info */
450 guint8 nd_opt_rti_type;
451 guint8 nd_opt_rti_len;
452 guint8 nd_opt_rti_prefixlen;
453 guint8 nd_opt_rti_flags;
454 guint32 nd_opt_rti_lifetime;
458 struct nd_opt_map_info { /* HMIPv6 MAP option */
459 guint8 nd_opt_map_type;
460 guint8 nd_opt_map_len;
461 guint8 nd_opt_map_dist_and_pref;
462 guint8 nd_opt_map_flags;
463 guint32 nd_opt_map_lifetime;
464 struct e_in6_addr nd_opt_map_address;
467 #define ND_OPT_MAP_FLAG_R 0x80
468 #define ND_OPT_MAP_FLAG_M 0x40
469 #define ND_OPT_MAP_FLAG_I 0x20
470 #define ND_OPT_MAP_FLAG_T 0x10
471 #define ND_OPT_MAP_FLAG_P 0x08
472 #define ND_OPT_MAP_FLAG_V 0x04
475 * icmp6 node information
477 struct icmp6_nodeinfo {
478 struct icmp6_hdr icmp6_ni_hdr;
479 guint8 icmp6_ni_nonce[8];
480 /* could be followed by reply data */
483 #define ni_type icmp6_ni_hdr.icmp6_type
484 #define ni_code icmp6_ni_hdr.icmp6_code
485 #define ni_cksum icmp6_ni_hdr.icmp6_cksum
486 #define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
487 #define ni_flags icmp6_ni_hdr.icmp6_data16[1]
489 #define NI_QTYPE_NOOP 0 /* NOOP */
490 #define NI_QTYPE_SUPTYPES 1 /* Supported Qtypes */
491 #define NI_QTYPE_FQDN 2 /* FQDN (draft 04) */
492 #define NI_QTYPE_DNSNAME 2 /* DNS Name */
493 #define NI_QTYPE_NODEADDR 3 /* Node Addresses */
494 #define NI_QTYPE_IPV4ADDR 4 /* IPv4 Addresses */
496 #define NI_SUPTYPE_FLAG_COMPRESS 0x1
497 #define NI_FQDN_FLAG_VALIDTTL 0x1
499 #define NI_NODEADDR_FLAG_TRUNCATE 0x1
500 #define NI_NODEADDR_FLAG_ALL 0x2
501 #define NI_NODEADDR_FLAG_COMPAT 0x4
502 #define NI_NODEADDR_FLAG_LINKLOCAL 0x8
503 #define NI_NODEADDR_FLAG_SITELOCAL 0x10
504 #define NI_NODEADDR_FLAG_GLOBAL 0x20
505 #define NI_NODEADDR_FLAG_ANYCAST 0x40 /* just experimental. not in spec */
507 struct ni_reply_fqdn {
508 guint32 ni_fqdn_ttl; /* TTL */
509 guint8 ni_fqdn_namelen; /* length in octets of the FQDN */
510 guint8 ni_fqdn_name[3]; /* XXX: alignment */
514 * Router Renumbering. as router-renum-05.txt
516 struct icmp6_router_renum { /* router renumbering header */
517 struct icmp6_hdr rr_hdr;
524 #define rr_type rr_hdr.icmp6_type
525 #define rr_code rr_hdr.icmp6_code
526 #define rr_cksum rr_hdr.icmp6_cksum
527 #define rr_seqnum rr_hdr.icmp6_data32[0]
529 struct rr_pco_match { /* match prefix part */
536 guint16 rpm_reserved;
537 struct e_in6_addr rpm_prefix;
540 #define RPM_PCO_ADD 1
541 #define RPM_PCO_CHANGE 2
542 #define RPM_PCO_SETGLOBAL 3
543 #define RPM_PCO_MAX 4
545 struct rr_pco_use { /* use prefix part */
553 struct e_in6_addr rpu_prefix;
556 #define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x80
557 #define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x40
560 #define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
561 #define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
563 struct rr_result { /* router renumbering result message */
566 guint8 rrr_matchedlen;
568 struct e_in6_addr rrr_prefix;
572 #define ICMP6_RR_RESULT_FLAGS_OOB 0x0002
573 #define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
575 #endif /* __PACKET_IPV6_H_DEFINED__ */