2 * Definitions for IPv6 packet disassembly
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
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 * FMIPv6 support added by Martin Andre <andre@clarinet.u-strasbg.fr>
17 * This program is free software; you can redistribute it and/or
18 * modify it under the terms of the GNU General Public License
19 * as published by the Free Software Foundation; either version 2
20 * of the License, or (at your option) any later version.
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with this program; if not, write to the Free Software
29 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
32 #ifndef __PACKET_IPV6_H_DEFINED__
33 #define __PACKET_IPV6_H_DEFINED__
35 #include <epan/ipv6-utils.h>
37 /* this definition makes trouble with Microsoft Platform SDK: ws2tcpip.h and is used nowhere */
38 /*#define INET6_ADDRSTRLEN 46*/
41 * Definition for internet protocol version 6.
47 guint32 ip6_un1_flow; /* version, class, flow */
48 guint16 ip6_un1_plen; /* payload length */
49 guint8 ip6_un1_nxt; /* next header */
50 guint8 ip6_un1_hlim; /* hop limit */
52 guint8 ip6_un2_vfc; /* 4 bits version, 4 bits class */
54 struct e_in6_addr ip6_src; /* source address */
55 struct e_in6_addr ip6_dst; /* destination address */
58 #define ip6_vfc ip6_ctlun.ip6_un2_vfc
59 #define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow
60 #define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen
61 #define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt
62 #define ip6_hlim ip6_ctlun.ip6_un1.ip6_un1_hlim
63 #define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim
65 /* Offsets of fields within an IPv6 header. */
67 #define IP6H_CTL_FLOW 0
68 #define IP6H_CTL_PLEN 4
69 #define IP6H_CTL_NXT 6
70 #define IP6H_CTL_HLIM 7
71 #define IP6H_CTL_VFC 0
75 #define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */
76 #define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */
87 /* Hop-by-Hop options header */
88 /* XXX should we pad it to force alignment on an 8-byte boundary? */
90 guint8 ip6h_nxt; /* next header */
91 guint8 ip6h_len; /* length in units of 8 octets */
92 /* followed by options */
95 /* Destination options header */
96 /* XXX should we pad it to force alignment on an 8-byte boundary? */
98 guint8 ip6d_nxt; /* next header */
99 guint8 ip6d_len; /* length in units of 8 octets */
100 /* followed by options */
103 /* Option types and related macros */
104 #define IP6OPT_PAD1 0x00 /* 00 0 00000 */
105 #define IP6OPT_PADN 0x01 /* 00 0 00001 */
106 #define IP6OPT_JUMBO 0xC2 /* 11 0 00010 = 194 */
107 #define IP6OPT_JUMBO_LEN 6
108 #define IP6OPT_RTALERT 0x05 /* 00 0 00101 */
110 #define IP6OPT_RTALERT_LEN 4
111 #define IP6OPT_RTALERT_MLD 0 /* Datagram contains MLD message */
112 #define IP6OPT_RTALERT_RSVP 1 /* Datagram contains RSVP message */
113 #define IP6OPT_RTALERT_ACTNET 2 /* contains an Active Networks msg */
114 #define IP6OPT_MINLEN 2
116 #define IP6OPT_HOME_ADDRESS 0xC9 /* 11 0 01001 */
118 #define IP6OPT_TYPE(o) ((o) & 0xC0)
119 #define IP6OPT_TYPE_SKIP 0x00
120 #define IP6OPT_TYPE_DISCARD 0x40
121 #define IP6OPT_TYPE_FORCEICMP 0x80
122 #define IP6OPT_TYPE_ICMP 0xC0
124 #define IP6OPT_MUTABLE 0x20
128 guint8 ip6r_nxt; /* next header */
129 guint8 ip6r_len; /* length in units of 8 octets */
130 guint8 ip6r_type; /* routing type */
131 guint8 ip6r_segleft; /* segments left */
132 /* followed by routing type specific data */
135 /* Type 0 Routing header */
137 guint8 ip6r0_nxt; /* next header */
138 guint8 ip6r0_len; /* length in units of 8 octets */
139 guint8 ip6r0_type; /* always zero */
140 guint8 ip6r0_segleft; /* segments left */
141 guint8 ip6r0_reserved; /* reserved field */
142 guint8 ip6r0_slmap[3]; /* strict/loose bit map */
143 struct e_in6_addr ip6r0_addr[1]; /* up to 23 addresses */
146 /* Fragment header */
148 guint8 ip6f_nxt; /* next header */
149 guint8 ip6f_reserved; /* reserved field */
150 guint16 ip6f_offlg; /* offset, reserved, and flag */
151 guint32 ip6f_ident; /* identification */
154 /* SHIM6 control message types */
155 #define SHIM6_TYPE_I1 0x01 /* 0 000 0001 */
156 #define SHIM6_TYPE_R1 0x02 /* 0 000 0010 */
157 #define SHIM6_TYPE_I2 0x03 /* 0 000 0011 */
158 #define SHIM6_TYPE_R2 0x04 /* 0 000 0100 */
159 #define SHIM6_TYPE_R1BIS 0x05 /* 0 000 0101 */
160 #define SHIM6_TYPE_I2BIS 0x06 /* 0 000 0110 */
161 #define SHIM6_TYPE_UPD_REQ 0x40 /* 0 100 0000 = 64 */
162 #define SHIM6_TYPE_UPD_ACK 0x41 /* 0 100 0001 = 65 */
163 #define SHIM6_TYPE_KEEPALIVE 0x42 /* 0 100 0010 = 66 */
164 #define SHIM6_TYPE_PROBE 0x43 /* 0 100 0011 = 67 */
167 #define SHIM6_OPT_RESPVAL 0x01 /* 0 000 0001 */
168 #define SHIM6_OPT_LOCLIST 0x02 /* 0 000 0010 */
169 #define SHIM6_OPT_LOCPREF 0x03 /* 0 000 0011 */
170 #define SHIM6_OPT_CGAPDM 0x04 /* 0 000 0100 */
171 #define SHIM6_OPT_CGASIG 0x05 /* 0 000 0101 */
172 #define SHIM6_OPT_ULIDPAIR 0x06 /* 0 000 0110 */
173 #define SHIM6_OPT_FII 0x07 /* 0 000 0111 */
176 #define SHIM6_BITMASK_P 0x80 /* 1 000 0000 */
177 #define SHIM6_BITMASK_TYPE 0x7F /* 0 111 1111 */
178 #define SHIM6_BITMASK_PROTOCOL 0x01 /* 0 000 0001 */
179 #define SHIM6_BITMASK_SPECIFIC 0xFE /* 1 111 1110 */
180 #define SHIM6_BITMASK_R 0x80 /* 1 000 0000 */
181 #define SHIM6_BITMASK_CT 0x7F /* 0 111 1111 */
182 #define SHIM6_BITMASK_OPT_TYPE 0xFFFE /* 1 111 1111 1 111 1110 */
183 #define SHIM6_BITMASK_CRITICAL 0x01 /* 0 000 0001 */
184 #define SHIM6_BITMASK_PRECVD 0xF0 /* 1 111 0000 */
185 #define SHIM6_BITMASK_PSENT 0x0F /* 0 000 1111 */
186 #define SHIM6_BITMASK_STA 0xC0 /* 1 100 0000 */
188 /* SHIM6 Verification Methods */
189 #define SHIM6_VERIF_HBA 0x01 /* 0 000 0001 */
190 #define SHIM6_VERIF_CGA 0x02 /* 0 000 0010 */
193 #define SHIM6_FLAG_BROKEN 0x01 /* 0 000 0001 */
194 #define SHIM6_FLAG_TEMPORARY 0x02 /* 0 000 0010 */
196 /* SHIM6 REAP States */
197 #define SHIM6_REAP_OPERATIONAL 0x00 /* 0 000 0000 */
198 #define SHIM6_REAP_EXPLORING 0x01 /* 0 000 0001 */
199 #define SHIM6_REAP_INBOUNDOK 0x02 /* 0 000 0010 */
203 guint8 ip6s_nxt; /* next header */
204 guint8 ip6s_len; /* header extension length */
205 guint8 ip6s_p; /* P field and first 7 bits of remainder */
206 /* followed by shim6 specific data*/
209 #define IP6F_OFF_MASK 0xfff8 /* mask out offset from _offlg */
210 #define IP6F_RESERVED_MASK 0x0006 /* reserved bits in ip6f_offlg */
211 #define IP6F_MORE_FRAG 0x0001 /* more-fragments flag */
214 * Definition for ICMPv6.
218 #define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr)
219 - sizeof(struct icmp6_hdr) */
222 guint8 icmp6_type; /* type field */
223 guint8 icmp6_code; /* code field */
224 guint16 icmp6_cksum; /* checksum field */
226 guint32 icmp6_un_data32[1]; /* type-specific field */
227 guint16 icmp6_un_data16[2]; /* type-specific field */
228 guint8 icmp6_un_data8[4]; /* type-specific field */
232 #define icmp6_data32 icmp6_dataun.icmp6_un_data32
233 #define icmp6_data16 icmp6_dataun.icmp6_un_data16
234 #define icmp6_data8 icmp6_dataun.icmp6_un_data8
235 #define icmp6_pptr icmp6_data32[0] /* parameter prob */
236 #define icmp6_mtu icmp6_data32[0] /* packet too big */
237 #define icmp6_id icmp6_data16[0] /* echo request/reply */
238 #define icmp6_seq icmp6_data16[1] /* echo request/reply */
239 #define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */
241 #define ICMP6_DST_UNREACH 1 /* dest unreachable, codes: */
242 #define ICMP6_PACKET_TOO_BIG 2 /* packet too big */
243 #define ICMP6_TIME_EXCEEDED 3 /* time exceeded, code: */
244 #define ICMP6_PARAM_PROB 4 /* ip6 header bad */
246 #define ICMP6_ECHO_REQUEST 128 /* echo service */
247 #define ICMP6_ECHO_REPLY 129 /* echo reply */
248 #define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */
249 #define MLD6_LISTENER_QUERY 130 /* multicast listener query */
250 #define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
251 #define MLD6_LISTENER_REPORT 131 /* multicast listener report */
252 #define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */
253 #define MLD6_LISTENER_DONE 132 /* multicast listener done */
255 #define ND_ROUTER_SOLICIT 133 /* router solicitation */
256 #define ND_ROUTER_ADVERT 134 /* router advertisment */
257 #define ND_NEIGHBOR_SOLICIT 135 /* neighbor solicitation */
258 #define ND_NEIGHBOR_ADVERT 136 /* neighbor advertisment */
259 #define ND_REDIRECT 137 /* redirect */
261 #define ICMP6_ROUTER_RENUMBERING 138 /* router renumbering */
263 #define ICMP6_WRUREQUEST 139 /* who are you request */
264 #define ICMP6_WRUREPLY 140 /* who are you reply */
265 #define ICMP6_FQDN_QUERY 139 /* FQDN query */
266 #define ICMP6_FQDN_REPLY 140 /* FQDN reply */
267 #define ICMP6_NI_QUERY 139 /* node information request */
268 #define ICMP6_NI_REPLY 140 /* node information reply */
269 #define ICMP6_IND_SOLICIT 141 /* Inverse ND Solicitation */
270 #define ICMP6_IND_ADVERT 142 /* Inverse ND advertisement */
271 #define ICMP6_MLDV2_REPORT 143 /* MLD v2 report message : [RFC3810] */
273 #define ICMP6_MIP6_DHAAD_REQUEST 144 /* Mobile IPv6 DHAAD */
274 #define ICMP6_MIP6_DHAAD_REPLY 145 /* Mobile IPv6 DHAAD */
275 #define ICMP6_MIP6_MPS 146 /* Mobile IPv6 MPS */
276 #define ICMP6_MIP6_MPA 147 /* Mobile IPv6 MPA */
277 #define ICMP6_CERT_PATH_SOL 148 /* Certification Path Solicitation Message [RFC3971] */
278 #define ICMP6_CERT_PATH_AD 149 /* Certification Path Advertisement Message [RFC3971] */
279 #define ICMP6_EXPERIMENTAL_MOBILITY 150 /* ICMP Experimental Mobility Protocol Type */
281 #define ICMP6_MCAST_ROUTER_ADVERT 151 /* Multicast Router Advertisement [RFC4286] */
282 #define ICMP6_MCAST_ROUTER_SOLICIT 152 /* Multicast Router Solicitation [RFC4286] */
283 #define ICMP6_MCAST_ROUTER_TERM 153 /* Multicast Router Termination [RFC4286] */
284 #define ICMP6_FMIPV6_MESSAGES 154 /* FMIPv6 Messages [RFC-ietf-mipshop-rfc5268bis-01.txt] */
285 #define ICMP6_RPL_CONTROL 155 /* RPL control messages [draft-ietf-roll-rpl-12.txt] */
286 /* (Pending IANA Assignment) */
288 #define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
289 #define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */
290 #define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor(obsolete) */
291 #define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
292 #define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */
293 #define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */
294 #define ICMP6_DST_UNREACH_INGR_EGR 5 /* source address failed ingress/egress policy */
295 #define ICMP6_DST_UNREACH_REJECT 6 /* reject route to destination */
297 #define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
298 #define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
300 #define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
301 #define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
302 #define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
304 #define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */
306 #define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
307 #define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
308 #define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
310 #define ICMP6_NI_SUCCESS 0 /* node information successful reply */
311 #define ICMP6_NI_REFUSED 1 /* node information request is refused */
312 #define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */
314 #define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */
315 #define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */
316 #define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 /* rr seq num reset */
323 struct nd_router_solicit { /* router solicitation */
324 struct icmp6_hdr nd_rs_hdr;
325 /* could be followed by options */
328 #define nd_rs_type nd_rs_hdr.icmp6_type
329 #define nd_rs_code nd_rs_hdr.icmp6_code
330 #define nd_rs_cksum nd_rs_hdr.icmp6_cksum
331 #define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]
333 struct nd_router_advert { /* router advertisement */
334 struct icmp6_hdr nd_ra_hdr;
335 guint32 nd_ra_reachable; /* reachable time */
336 guint32 nd_ra_retransmit; /* retransmit timer */
337 /* could be followed by options */
340 #define nd_ra_type nd_ra_hdr.icmp6_type
341 #define nd_ra_code nd_ra_hdr.icmp6_code
342 #define nd_ra_cksum nd_ra_hdr.icmp6_cksum
343 #define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
344 #define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
345 #define ND_RA_FLAG_MANAGED 0x80
346 #define ND_RA_FLAG_OTHER 0x40
347 #define ND_RA_FLAG_HOME_AGENT 0x20
350 * Router preference values based on RFC4191.
352 #define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
353 #define ND_RA_FLAG_RESERV_MASK 0xE7 /* 11100111 */
355 #define ND_RA_FLAG_RTPREF_HIGH 0x01
356 #define ND_RA_FLAG_RTPREF_MEDIUM 0x00
357 #define ND_RA_FLAG_RTPREF_LOW 0x03
358 #define ND_RA_FLAG_RTPREF_RSV 0x02
360 #define ND_RA_FLAG_ND_PROXY 0x04 /* RFC 4389 */
362 #define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
364 struct nd_neighbor_solicit { /* neighbor solicitation */
365 struct icmp6_hdr nd_ns_hdr;
366 struct e_in6_addr nd_ns_target; /*target address */
367 /* could be followed by options */
370 #define nd_ns_type nd_ns_hdr.icmp6_type
371 #define nd_ns_code nd_ns_hdr.icmp6_code
372 #define nd_ns_cksum nd_ns_hdr.icmp6_cksum
373 #define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
375 struct nd_neighbor_advert { /* neighbor advertisement */
376 struct icmp6_hdr nd_na_hdr;
377 struct e_in6_addr nd_na_target; /* target address */
378 /* could be followed by options */
381 #define nd_na_type nd_na_hdr.icmp6_type
382 #define nd_na_code nd_na_hdr.icmp6_code
383 #define nd_na_cksum nd_na_hdr.icmp6_cksum
384 #define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]
385 #define ND_NA_FLAG_ROUTER 0x80000000
386 #define ND_NA_FLAG_SOLICITED 0x40000000
387 #define ND_NA_FLAG_OVERRIDE 0x20000000
389 struct nd_redirect { /* redirect */
390 struct icmp6_hdr nd_rd_hdr;
391 struct e_in6_addr nd_rd_target; /* target address */
392 struct e_in6_addr nd_rd_dst; /* destination address */
393 /* could be followed by options */
397 #define ND_OPT_PI_FLAG_ONLINK 0x80
398 #define ND_OPT_PI_FLAG_AUTO 0x40
399 #define ND_OPT_PI_FLAG_ROUTER 0x20
400 #define ND_OPT_PI_FLAG_SITEPREF 0x10
402 #define ND_OPT_MAP_FLAG_R 0x80
403 #define ND_OPT_MAP_FLAG_M 0x40
404 #define ND_OPT_MAP_FLAG_I 0x20
405 #define ND_OPT_MAP_FLAG_T 0x10
406 #define ND_OPT_MAP_FLAG_P 0x08
407 #define ND_OPT_MAP_FLAG_V 0x04
409 #define ND_OPT_6CO_FLAG_C 0x10
410 #define ND_OPT_6CO_FLAG_CID 0x0F
411 #define ND_OPT_6CO_FLAG_RESERVED 0xE0
414 * icmp6 node information
416 struct icmp6_nodeinfo {
417 struct icmp6_hdr icmp6_ni_hdr;
418 guint8 icmp6_ni_nonce[8];
419 /* could be followed by reply data */
422 #define ni_type icmp6_ni_hdr.icmp6_type
423 #define ni_code icmp6_ni_hdr.icmp6_code
424 #define ni_cksum icmp6_ni_hdr.icmp6_cksum
425 #define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
426 #define ni_flags icmp6_ni_hdr.icmp6_data16[1]
432 #define FMIP6_SUBTYPE_RTSOLPR 2 /* Router Solicitation for Proxy Advertisement */
433 #define FMIP6_RTSOLPR_CODE 0 /* Currently the only code for RTSOLPR */
435 #define FMIP6_SUBTYPE_PRRTADV 3 /* Proxy Router Advertisement */
436 #define FMIP6_PRRTADV_MNTUP 0 /* MN should use AP-ID, AR-info tuple */
437 #define FMIP6_PRRTADV_NI_HOVER 1 /* LLA of the AP is present, Network Initiated Handover trigger */
438 #define FMIP6_PRRTADV_NORTINFO 2 /* No new router information is present */
439 #define FMIP6_PRRTADV_LIMRTINFO 3 /* Limited new router information is present */
440 #define FMIP6_PRRTADV_UNSOL 4 /* Subnet info for neighbor Access Points are sent unsolicited */
442 #define FMIP6_SUBTYPE_HI 4 /* Handover Initiate */
443 #define FMIP6_HI_PCOA 0 /* PAR receives FBU with PCoA as source IP address */
444 #define FMIP6_HI_NOTPCOA 1 /* PAR receives FBU whose source IP address is not PCoA */
446 #define FMIP6_SUBTYPE_HACK 5 /* Handover Acknowledge */
447 #define FMIP6_HACK_VALID 0 /* Handover Accepted, NCoA valid */
448 #define FMIP6_HACK_INVALID 1 /* Handover Accepted, NCoA not valid */
449 #define FMIP6_HACK_INUSE 2 /* Handover Accepted, NCoA in use */
450 #define FMIP6_HACK_ASSIGNED 3 /* Handover Accepted, NCoA assigned */
451 #define FMIP6_HACK_NOTASSIGNED 4 /* Handover Accepted, NCoA not assigned */
452 #define FMIP6_HACK_NOTACCEPTED 128 /* Handover Not Accepted, reason unspecified */
453 #define FMIP6_HACK_PROHIBITED 129 /* Administratively prohibited */
454 #define FMIP6_HACK_INSUFFICIENT 130 /* Insufficient resources */
456 /* Fast Handover Mobile IPv6 extension: Router Solicitation for Proxy Advertisement (RtSolPr). */
457 struct fmip6_rtsolpr {
458 struct icmp6_hdr fmip6_rtsolpr_hdr;
460 #define fmip6_rtsolpr_type fmip6_rtsolpr_hdr.icmp6_type
461 #define fmip6_rtsolpr_code fmip6_rtsolpr_hdr.icmp6_code
462 #define fmip6_rtsolpr_cksum fmip6_rtsolpr_hdr.icmp6_cksum
463 #define fmip6_rtsolpr_subtype fmip6_rtsolpr_hdr.icmp6_data8[0]
464 #define fmip6_rtsolpr_reserved fmip6_rtsolpr_hdr.icmp6_data8[1]
465 #define fmip6_rtsolpr_id fmip6_rtsolpr_hdr.icmp6_data16[1]
467 /* Fast Handover Mobile IPv6 extension: Proxy Router Advertisement (PrRtAdv). */
468 struct fmip6_prrtadv {
469 struct icmp6_hdr fmip6_prrtadv_hdr;
472 #define fmip6_prrtadv_type fmip6_prrtadv_hdr.icmp6_type
473 #define fmip6_prrtadv_code fmip6_prrtadv_hdr.icmp6_code
474 #define fmip6_prrtadv_cksum fmip6_prrtadv_hdr.icmp6_cksum
475 #define fmip6_prrtadv_subtype fmip6_prrtadv_hdr.icmp6_data8[0]
476 #define fmip6_prrtadv_reserved fmip6_prrtadv_hdr.icmp6_data8[1]
477 #define fmip6_prrtadv_id fmip6_prrtadv_hdr.icmp6_data16[1]
479 /* Fast Handover Mobile IPv6 extension: Handover Initiate (HI). */
481 struct icmp6_hdr fmip6_hi_hdr;
484 #define fmip6_hi_type fmip6_hi_hdr.icmp6_type
485 #define fmip6_hi_code fmip6_hi_hdr.icmp6_code
486 #define fmip6_hi_cksum fmip6_hi_hdr.icmp6_cksum
487 #define fmip6_hi_subtype fmip6_hi_hdr.icmp6_data8[0]
488 #define fmip6_hi_flags_reserved fmip6_hi_hdr.icmp6_data8[1]
489 #define fmip6_hi_id fmip6_hi_hdr.icmp6_data16[1]
491 #define FMIP_HI_FLAG_ASSIGNED 0x80
492 #define FMIP_HI_FLAG_BUFFER 0x40
494 /* Fast Handover Mobile IPv6 extension: Handover Acknowledge (HAck). */
496 struct icmp6_hdr fmip6_hack_hdr;
499 #define fmip6_hack_type fmip6_hack_hdr.icmp6_type
500 #define fmip6_hack_code fmip6_hack_hdr.icmp6_code
501 #define fmip6_hack_cksum fmip6_hack_hdr.icmp6_cksum
502 #define fmip6_hack_subtype fmip6_hack_hdr.icmp6_data8[0]
503 #define fmip6_hack_reserved fmip6_hack_hdr.icmp6_data8[1]
504 #define fmip6_hack_id fmip6_hack_hdr.icmp6_data16[1]
507 struct fmip6_opt_hdr {
508 guint8 fmip6_opt_type;
509 guint8 fmip6_opt_len; /* size of this option in 8 octets including opt_hdr */
510 guint8 fmip6_opt_optcode; /* Option-Code see the definition below */
515 void capture_ipv6(const guchar *, int, int, packet_counts *);
518 #endif /* __PACKET_IPV6_H_DEFINED__ */