519 lines
19 KiB
C
519 lines
19 KiB
C
/* packet-ipv6.h
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* Definitions for IPv6 packet disassembly
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*
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* $Id$
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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*
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* Copyright 1998 Gerald Combs
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*
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* MobileIPv6 support added by Tomislav Borosa <tomislav.borosa@siemens.hr>
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*
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* HMIPv6 support added by Martti Kuparinen <martti.kuparinen@iki.fi>
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*
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* FMIPv6 support added by Martin Andre <andre@clarinet.u-strasbg.fr>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __PACKET_IPV6_H_DEFINED__
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#define __PACKET_IPV6_H_DEFINED__
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#include <epan/ipv6-utils.h>
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/* this definition makes trouble with Microsoft Platform SDK: ws2tcpip.h and is used nowhere */
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/*#define INET6_ADDRSTRLEN 46*/
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/*
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* Definition for internet protocol version 6.
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* RFC 2460
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*/
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struct ip6_hdr {
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union {
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struct ip6_hdrctl {
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guint32 ip6_un1_flow; /* version, class, flow */
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guint16 ip6_un1_plen; /* payload length */
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guint8 ip6_un1_nxt; /* next header */
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guint8 ip6_un1_hlim; /* hop limit */
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} ip6_un1;
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guint8 ip6_un2_vfc; /* 4 bits version, 4 bits class */
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} ip6_ctlun;
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struct e_in6_addr ip6_src; /* source address */
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struct e_in6_addr ip6_dst; /* destination address */
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};
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#define ip6_vfc ip6_ctlun.ip6_un2_vfc
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#define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow
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#define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen
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#define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt
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#define ip6_hlim ip6_ctlun.ip6_un1.ip6_un1_hlim
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#define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim
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/* Offsets of fields within an IPv6 header. */
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#define IP6H_CTL 0
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#define IP6H_CTL_FLOW 0
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#define IP6H_CTL_PLEN 4
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#define IP6H_CTL_NXT 6
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#define IP6H_CTL_HLIM 7
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#define IP6H_CTL_VFC 0
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#define IP6H_SRC 8
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#define IP6H_DST 24
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#define IPV6_FLOWINFO_MASK 0x0fffffff /* flow info (28 bits) */
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#define IPV6_FLOWLABEL_MASK 0x000fffff /* flow label (20 bits) */
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/*
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* Extension Headers
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*/
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struct ip6_ext {
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guchar ip6e_nxt;
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guchar ip6e_len;
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};
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/* Hop-by-Hop options header */
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/* XXX should we pad it to force alignment on an 8-byte boundary? */
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struct ip6_hbh {
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guint8 ip6h_nxt; /* next header */
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guint8 ip6h_len; /* length in units of 8 octets */
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/* followed by options */
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};
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/* Destination options header */
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/* XXX should we pad it to force alignment on an 8-byte boundary? */
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struct ip6_dest {
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guint8 ip6d_nxt; /* next header */
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guint8 ip6d_len; /* length in units of 8 octets */
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/* followed by options */
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};
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/* Option types and related macros */
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#define IP6OPT_PAD1 0x00 /* 00 0 00000 */
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#define IP6OPT_PADN 0x01 /* 00 0 00001 */
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#define IP6OPT_JUMBO 0xC2 /* 11 0 00010 = 194 */
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#define IP6OPT_JUMBO_LEN 6
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#define IP6OPT_RTALERT 0x05 /* 00 0 00101 */
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#define IP6OPT_RTALERT_LEN 4
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#define IP6OPT_RTALERT_MLD 0 /* Datagram contains MLD message */
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#define IP6OPT_RTALERT_RSVP 1 /* Datagram contains RSVP message */
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#define IP6OPT_RTALERT_ACTNET 2 /* contains an Active Networks msg */
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#define IP6OPT_MINLEN 2
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#define IP6OPT_HOME_ADDRESS 0xC9 /* 11 0 01001 */
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#define IP6OPT_TYPE(o) ((o) & 0xC0)
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#define IP6OPT_TYPE_SKIP 0x00
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#define IP6OPT_TYPE_DISCARD 0x40
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#define IP6OPT_TYPE_FORCEICMP 0x80
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#define IP6OPT_TYPE_ICMP 0xC0
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#define IP6OPT_MUTABLE 0x20
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/* Routing header */
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struct ip6_rthdr {
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guint8 ip6r_nxt; /* next header */
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guint8 ip6r_len; /* length in units of 8 octets */
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guint8 ip6r_type; /* routing type */
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guint8 ip6r_segleft; /* segments left */
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/* followed by routing type specific data */
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};
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/* Type 0 Routing header */
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struct ip6_rthdr0 {
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guint8 ip6r0_nxt; /* next header */
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guint8 ip6r0_len; /* length in units of 8 octets */
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guint8 ip6r0_type; /* always zero */
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guint8 ip6r0_segleft; /* segments left */
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guint8 ip6r0_reserved; /* reserved field */
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guint8 ip6r0_slmap[3]; /* strict/loose bit map */
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struct e_in6_addr ip6r0_addr[1]; /* up to 23 addresses */
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};
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/* Fragment header */
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struct ip6_frag {
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guint8 ip6f_nxt; /* next header */
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guint8 ip6f_reserved; /* reserved field */
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guint16 ip6f_offlg; /* offset, reserved, and flag */
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guint32 ip6f_ident; /* identification */
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};
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/* SHIM6 control message types */
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#define SHIM6_TYPE_I1 0x01 /* 0 000 0001 */
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#define SHIM6_TYPE_R1 0x02 /* 0 000 0010 */
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#define SHIM6_TYPE_I2 0x03 /* 0 000 0011 */
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#define SHIM6_TYPE_R2 0x04 /* 0 000 0100 */
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#define SHIM6_TYPE_R1BIS 0x05 /* 0 000 0101 */
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#define SHIM6_TYPE_I2BIS 0x06 /* 0 000 0110 */
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#define SHIM6_TYPE_UPD_REQ 0x40 /* 0 100 0000 = 64 */
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#define SHIM6_TYPE_UPD_ACK 0x41 /* 0 100 0001 = 65 */
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#define SHIM6_TYPE_KEEPALIVE 0x42 /* 0 100 0010 = 66 */
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#define SHIM6_TYPE_PROBE 0x43 /* 0 100 0011 = 67 */
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/* SHIM6 Options */
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#define SHIM6_OPT_RESPVAL 0x01 /* 0 000 0001 */
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#define SHIM6_OPT_LOCLIST 0x02 /* 0 000 0010 */
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#define SHIM6_OPT_LOCPREF 0x03 /* 0 000 0011 */
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#define SHIM6_OPT_CGAPDM 0x04 /* 0 000 0100 */
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#define SHIM6_OPT_CGASIG 0x05 /* 0 000 0101 */
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#define SHIM6_OPT_ULIDPAIR 0x06 /* 0 000 0110 */
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#define SHIM6_OPT_FII 0x07 /* 0 000 0111 */
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/* SHIM6 Bitmasks */
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#define SHIM6_BITMASK_P 0x80 /* 1 000 0000 */
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#define SHIM6_BITMASK_TYPE 0x7F /* 0 111 1111 */
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#define SHIM6_BITMASK_PROTOCOL 0x01 /* 0 000 0001 */
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#define SHIM6_BITMASK_SPECIFIC 0xFE /* 1 111 1110 */
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#define SHIM6_BITMASK_R 0x80 /* 1 000 0000 */
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#define SHIM6_BITMASK_CT 0x7F /* 0 111 1111 */
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#define SHIM6_BITMASK_OPT_TYPE 0xFFFE /* 1 111 1111 1 111 1110 */
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#define SHIM6_BITMASK_CRITICAL 0x01 /* 0 000 0001 */
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#define SHIM6_BITMASK_PRECVD 0xF0 /* 1 111 0000 */
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#define SHIM6_BITMASK_PSENT 0x0F /* 0 000 1111 */
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#define SHIM6_BITMASK_STA 0xC0 /* 1 100 0000 */
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/* SHIM6 Verification Methods */
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#define SHIM6_VERIF_HBA 0x01 /* 0 000 0001 */
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#define SHIM6_VERIF_CGA 0x02 /* 0 000 0010 */
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/* SHIM6 Flags */
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#define SHIM6_FLAG_BROKEN 0x01 /* 0 000 0001 */
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#define SHIM6_FLAG_TEMPORARY 0x02 /* 0 000 0010 */
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/* SHIM6 REAP States */
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#define SHIM6_REAP_OPERATIONAL 0x00 /* 0 000 0000 */
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#define SHIM6_REAP_EXPLORING 0x01 /* 0 000 0001 */
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#define SHIM6_REAP_INBOUNDOK 0x02 /* 0 000 0010 */
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/* SHIM6 header */
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struct ip6_shim {
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guint8 ip6s_nxt; /* next header */
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guint8 ip6s_len; /* header extension length */
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guint8 ip6s_p; /* P field and first 7 bits of remainder */
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/* followed by shim6 specific data*/
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};
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#define IP6F_OFF_MASK 0xfff8 /* mask out offset from _offlg */
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#define IP6F_RESERVED_MASK 0x0006 /* reserved bits in ip6f_offlg */
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#define IP6F_MORE_FRAG 0x0001 /* more-fragments flag */
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/*
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* Definition for ICMPv6.
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* RFC 1885
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*/
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#define ICMPV6_PLD_MAXLEN 1232 /* IPV6_MMTU - sizeof(struct ip6_hdr)
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- sizeof(struct icmp6_hdr) */
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struct icmp6_hdr {
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guint8 icmp6_type; /* type field */
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guint8 icmp6_code; /* code field */
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guint16 icmp6_cksum; /* checksum field */
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union {
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guint32 icmp6_un_data32[1]; /* type-specific field */
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guint16 icmp6_un_data16[2]; /* type-specific field */
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guint8 icmp6_un_data8[4]; /* type-specific field */
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} icmp6_dataun;
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};
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#define icmp6_data32 icmp6_dataun.icmp6_un_data32
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#define icmp6_data16 icmp6_dataun.icmp6_un_data16
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#define icmp6_data8 icmp6_dataun.icmp6_un_data8
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#define icmp6_pptr icmp6_data32[0] /* parameter prob */
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#define icmp6_mtu icmp6_data32[0] /* packet too big */
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#define icmp6_id icmp6_data16[0] /* echo request/reply */
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#define icmp6_seq icmp6_data16[1] /* echo request/reply */
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#define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */
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#define ICMP6_DST_UNREACH 1 /* dest unreachable, codes: */
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#define ICMP6_PACKET_TOO_BIG 2 /* packet too big */
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#define ICMP6_TIME_EXCEEDED 3 /* time exceeded, code: */
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#define ICMP6_PARAM_PROB 4 /* ip6 header bad */
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#define ICMP6_ECHO_REQUEST 128 /* echo service */
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#define ICMP6_ECHO_REPLY 129 /* echo reply */
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#define ICMP6_MEMBERSHIP_QUERY 130 /* group membership query */
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#define MLD6_LISTENER_QUERY 130 /* multicast listener query */
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#define ICMP6_MEMBERSHIP_REPORT 131 /* group membership report */
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#define MLD6_LISTENER_REPORT 131 /* multicast listener report */
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#define ICMP6_MEMBERSHIP_REDUCTION 132 /* group membership termination */
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#define MLD6_LISTENER_DONE 132 /* multicast listener done */
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#define ND_ROUTER_SOLICIT 133 /* router solicitation */
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#define ND_ROUTER_ADVERT 134 /* router advertisment */
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#define ND_NEIGHBOR_SOLICIT 135 /* neighbor solicitation */
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#define ND_NEIGHBOR_ADVERT 136 /* neighbor advertisment */
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#define ND_REDIRECT 137 /* redirect */
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#define ICMP6_ROUTER_RENUMBERING 138 /* router renumbering */
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#define ICMP6_WRUREQUEST 139 /* who are you request */
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#define ICMP6_WRUREPLY 140 /* who are you reply */
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#define ICMP6_FQDN_QUERY 139 /* FQDN query */
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#define ICMP6_FQDN_REPLY 140 /* FQDN reply */
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#define ICMP6_NI_QUERY 139 /* node information request */
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#define ICMP6_NI_REPLY 140 /* node information reply */
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#define ICMP6_IND_SOLICIT 141 /* Inverse ND Solicitation */
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#define ICMP6_IND_ADVERT 142 /* Inverse ND advertisement */
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#define ICMP6_MLDV2_REPORT 143 /* MLD v2 report message : [RFC3810] */
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#define ICMP6_MIP6_DHAAD_REQUEST 144 /* Mobile IPv6 DHAAD */
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#define ICMP6_MIP6_DHAAD_REPLY 145 /* Mobile IPv6 DHAAD */
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#define ICMP6_MIP6_MPS 146 /* Mobile IPv6 MPS */
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#define ICMP6_MIP6_MPA 147 /* Mobile IPv6 MPA */
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#define ICMP6_CERT_PATH_SOL 148 /* Certification Path Solicitation Message [RFC3971] */
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#define ICMP6_CERT_PATH_AD 149 /* Certification Path Advertisement Message [RFC3971] */
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#define ICMP6_EXPERIMENTAL_MOBILITY 150 /* ICMP Experimental Mobility Protocol Type */
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#define ICMP6_MCAST_ROUTER_ADVERT 151 /* Multicast Router Advertisement [RFC4286] */
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#define ICMP6_MCAST_ROUTER_SOLICIT 152 /* Multicast Router Solicitation [RFC4286] */
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#define ICMP6_MCAST_ROUTER_TERM 153 /* Multicast Router Termination [RFC4286] */
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#define ICMP6_FMIPV6_MESSAGES 154 /* FMIPv6 Messages [RFC-ietf-mipshop-rfc5268bis-01.txt] */
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#define ICMP6_RPL_CONTROL 155 /* RPL control messages [draft-ietf-roll-rpl-12.txt] */
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/* (Pending IANA Assignment) */
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#define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */
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#define ICMP6_DST_UNREACH_ADMIN 1 /* administratively prohibited */
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#define ICMP6_DST_UNREACH_NOTNEIGHBOR 2 /* not a neighbor(obsolete) */
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#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
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#define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */
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#define ICMP6_DST_UNREACH_NOPORT 4 /* port unreachable */
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#define ICMP6_DST_UNREACH_INGR_EGR 5 /* source address failed ingress/egress policy */
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#define ICMP6_DST_UNREACH_REJECT 6 /* reject route to destination */
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#define ICMP6_TIME_EXCEED_TRANSIT 0 /* ttl==0 in transit */
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#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* ttl==0 in reass */
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#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */
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#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized next header */
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#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized option */
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#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */
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#define ICMP6_NI_SUBJ_IPV6 0 /* Query Subject is an IPv6 address */
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#define ICMP6_NI_SUBJ_FQDN 1 /* Query Subject is a Domain name */
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#define ICMP6_NI_SUBJ_IPV4 2 /* Query Subject is an IPv4 address */
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#define ICMP6_NI_SUCCESS 0 /* node information successful reply */
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#define ICMP6_NI_REFUSED 1 /* node information request is refused */
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#define ICMP6_NI_UNKNOWN 2 /* unknown Qtype */
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#define ICMP6_ROUTER_RENUMBERING_COMMAND 0 /* rr command */
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#define ICMP6_ROUTER_RENUMBERING_RESULT 1 /* rr result */
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#define ICMP6_ROUTER_RENUMBERING_SEQNUM_RESET 255 /* rr seq num reset */
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/*
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* Neighbor Discovery
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*/
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struct nd_router_solicit { /* router solicitation */
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struct icmp6_hdr nd_rs_hdr;
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/* could be followed by options */
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};
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#define nd_rs_type nd_rs_hdr.icmp6_type
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#define nd_rs_code nd_rs_hdr.icmp6_code
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#define nd_rs_cksum nd_rs_hdr.icmp6_cksum
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#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]
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struct nd_router_advert { /* router advertisement */
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struct icmp6_hdr nd_ra_hdr;
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guint32 nd_ra_reachable; /* reachable time */
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guint32 nd_ra_retransmit; /* retransmit timer */
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/* could be followed by options */
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};
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#define nd_ra_type nd_ra_hdr.icmp6_type
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#define nd_ra_code nd_ra_hdr.icmp6_code
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#define nd_ra_cksum nd_ra_hdr.icmp6_cksum
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#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]
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#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]
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#define ND_RA_FLAG_MANAGED 0x80
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#define ND_RA_FLAG_OTHER 0x40
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#define ND_RA_FLAG_HOME_AGENT 0x20
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/*
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* Router preference values based on RFC4191.
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*/
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#define ND_RA_FLAG_RTPREF_MASK 0x18 /* 00011000 */
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#define ND_RA_FLAG_RESERV_MASK 0xE7 /* 11100111 */
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#define ND_RA_FLAG_RTPREF_HIGH 0x01
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#define ND_RA_FLAG_RTPREF_MEDIUM 0x00
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#define ND_RA_FLAG_RTPREF_LOW 0x03
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#define ND_RA_FLAG_RTPREF_RSV 0x02
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#define ND_RA_FLAG_ND_PROXY 0x04 /* RFC 4389 */
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#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]
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struct nd_neighbor_solicit { /* neighbor solicitation */
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struct icmp6_hdr nd_ns_hdr;
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struct e_in6_addr nd_ns_target; /*target address */
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/* could be followed by options */
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};
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#define nd_ns_type nd_ns_hdr.icmp6_type
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#define nd_ns_code nd_ns_hdr.icmp6_code
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#define nd_ns_cksum nd_ns_hdr.icmp6_cksum
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#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]
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struct nd_neighbor_advert { /* neighbor advertisement */
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struct icmp6_hdr nd_na_hdr;
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struct e_in6_addr nd_na_target; /* target address */
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/* could be followed by options */
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};
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#define nd_na_type nd_na_hdr.icmp6_type
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#define nd_na_code nd_na_hdr.icmp6_code
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#define nd_na_cksum nd_na_hdr.icmp6_cksum
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#define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]
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#define ND_NA_FLAG_ROUTER 0x80000000
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#define ND_NA_FLAG_SOLICITED 0x40000000
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#define ND_NA_FLAG_OVERRIDE 0x20000000
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struct nd_redirect { /* redirect */
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struct icmp6_hdr nd_rd_hdr;
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struct e_in6_addr nd_rd_target; /* target address */
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struct e_in6_addr nd_rd_dst; /* destination address */
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/* could be followed by options */
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};
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#define ND_OPT_PI_FLAG_ONLINK 0x80
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#define ND_OPT_PI_FLAG_AUTO 0x40
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#define ND_OPT_PI_FLAG_ROUTER 0x20
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#define ND_OPT_PI_FLAG_SITEPREF 0x10
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#define ND_OPT_MAP_FLAG_R 0x80
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#define ND_OPT_MAP_FLAG_M 0x40
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#define ND_OPT_MAP_FLAG_I 0x20
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#define ND_OPT_MAP_FLAG_T 0x10
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#define ND_OPT_MAP_FLAG_P 0x08
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#define ND_OPT_MAP_FLAG_V 0x04
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#define ND_OPT_6CO_FLAG_C 0x10
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#define ND_OPT_6CO_FLAG_CID 0x0F
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#define ND_OPT_6CO_FLAG_RESERVED 0xE0
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|
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/*
|
|
* icmp6 node information
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|
*/
|
|
struct icmp6_nodeinfo {
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|
struct icmp6_hdr icmp6_ni_hdr;
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|
guint8 icmp6_ni_nonce[8];
|
|
/* could be followed by reply data */
|
|
};
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|
|
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#define ni_type icmp6_ni_hdr.icmp6_type
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#define ni_code icmp6_ni_hdr.icmp6_code
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#define ni_cksum icmp6_ni_hdr.icmp6_cksum
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|
#define ni_qtype icmp6_ni_hdr.icmp6_data16[0]
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|
#define ni_flags icmp6_ni_hdr.icmp6_data16[1]
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|
|
|
/*
|
|
* FMIPv6
|
|
*/
|
|
|
|
#define FMIP6_SUBTYPE_RTSOLPR 2 /* Router Solicitation for Proxy Advertisement */
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|
#define FMIP6_RTSOLPR_CODE 0 /* Currently the only code for RTSOLPR */
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|
|
|
#define FMIP6_SUBTYPE_PRRTADV 3 /* Proxy Router Advertisement */
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|
#define FMIP6_PRRTADV_MNTUP 0 /* MN should use AP-ID, AR-info tuple */
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|
#define FMIP6_PRRTADV_NI_HOVER 1 /* LLA of the AP is present, Network Initiated Handover trigger */
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|
#define FMIP6_PRRTADV_NORTINFO 2 /* No new router information is present */
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|
#define FMIP6_PRRTADV_LIMRTINFO 3 /* Limited new router information is present */
|
|
#define FMIP6_PRRTADV_UNSOL 4 /* Subnet info for neighbor Access Points are sent unsolicited */
|
|
|
|
#define FMIP6_SUBTYPE_HI 4 /* Handover Initiate */
|
|
#define FMIP6_HI_PCOA 0 /* PAR receives FBU with PCoA as source IP address */
|
|
#define FMIP6_HI_NOTPCOA 1 /* PAR receives FBU whose source IP address is not PCoA */
|
|
|
|
#define FMIP6_SUBTYPE_HACK 5 /* Handover Acknowledge */
|
|
#define FMIP6_HACK_VALID 0 /* Handover Accepted, NCoA valid */
|
|
#define FMIP6_HACK_INVALID 1 /* Handover Accepted, NCoA not valid */
|
|
#define FMIP6_HACK_INUSE 2 /* Handover Accepted, NCoA in use */
|
|
#define FMIP6_HACK_ASSIGNED 3 /* Handover Accepted, NCoA assigned */
|
|
#define FMIP6_HACK_NOTASSIGNED 4 /* Handover Accepted, NCoA not assigned */
|
|
#define FMIP6_HACK_NOTACCEPTED 128 /* Handover Not Accepted, reason unspecified */
|
|
#define FMIP6_HACK_PROHIBITED 129 /* Administratively prohibited */
|
|
#define FMIP6_HACK_INSUFFICIENT 130 /* Insufficient resources */
|
|
|
|
/* Fast Handover Mobile IPv6 extension: Router Solicitation for Proxy Advertisement (RtSolPr). */
|
|
struct fmip6_rtsolpr {
|
|
struct icmp6_hdr fmip6_rtsolpr_hdr;
|
|
};
|
|
#define fmip6_rtsolpr_type fmip6_rtsolpr_hdr.icmp6_type
|
|
#define fmip6_rtsolpr_code fmip6_rtsolpr_hdr.icmp6_code
|
|
#define fmip6_rtsolpr_cksum fmip6_rtsolpr_hdr.icmp6_cksum
|
|
#define fmip6_rtsolpr_subtype fmip6_rtsolpr_hdr.icmp6_data8[0]
|
|
#define fmip6_rtsolpr_reserved fmip6_rtsolpr_hdr.icmp6_data8[1]
|
|
#define fmip6_rtsolpr_id fmip6_rtsolpr_hdr.icmp6_data16[1]
|
|
|
|
/* Fast Handover Mobile IPv6 extension: Proxy Router Advertisement (PrRtAdv). */
|
|
struct fmip6_prrtadv {
|
|
struct icmp6_hdr fmip6_prrtadv_hdr;
|
|
};
|
|
|
|
#define fmip6_prrtadv_type fmip6_prrtadv_hdr.icmp6_type
|
|
#define fmip6_prrtadv_code fmip6_prrtadv_hdr.icmp6_code
|
|
#define fmip6_prrtadv_cksum fmip6_prrtadv_hdr.icmp6_cksum
|
|
#define fmip6_prrtadv_subtype fmip6_prrtadv_hdr.icmp6_data8[0]
|
|
#define fmip6_prrtadv_reserved fmip6_prrtadv_hdr.icmp6_data8[1]
|
|
#define fmip6_prrtadv_id fmip6_prrtadv_hdr.icmp6_data16[1]
|
|
|
|
/* Fast Handover Mobile IPv6 extension: Handover Initiate (HI). */
|
|
struct fmip6_hi {
|
|
struct icmp6_hdr fmip6_hi_hdr;
|
|
};
|
|
|
|
#define fmip6_hi_type fmip6_hi_hdr.icmp6_type
|
|
#define fmip6_hi_code fmip6_hi_hdr.icmp6_code
|
|
#define fmip6_hi_cksum fmip6_hi_hdr.icmp6_cksum
|
|
#define fmip6_hi_subtype fmip6_hi_hdr.icmp6_data8[0]
|
|
#define fmip6_hi_flags_reserved fmip6_hi_hdr.icmp6_data8[1]
|
|
#define fmip6_hi_id fmip6_hi_hdr.icmp6_data16[1]
|
|
|
|
#define FMIP_HI_FLAG_ASSIGNED 0x80
|
|
#define FMIP_HI_FLAG_BUFFER 0x40
|
|
|
|
/* Fast Handover Mobile IPv6 extension: Handover Acknowledge (HAck). */
|
|
struct fmip6_hack {
|
|
struct icmp6_hdr fmip6_hack_hdr;
|
|
};
|
|
|
|
#define fmip6_hack_type fmip6_hack_hdr.icmp6_type
|
|
#define fmip6_hack_code fmip6_hack_hdr.icmp6_code
|
|
#define fmip6_hack_cksum fmip6_hack_hdr.icmp6_cksum
|
|
#define fmip6_hack_subtype fmip6_hack_hdr.icmp6_data8[0]
|
|
#define fmip6_hack_reserved fmip6_hack_hdr.icmp6_data8[1]
|
|
#define fmip6_hack_id fmip6_hack_hdr.icmp6_data16[1]
|
|
|
|
|
|
struct fmip6_opt_hdr {
|
|
guint8 fmip6_opt_type;
|
|
guint8 fmip6_opt_len; /* size of this option in 8 octets including opt_hdr */
|
|
guint8 fmip6_opt_optcode; /* Option-Code see the definition below */
|
|
};
|
|
|
|
|
|
|
|
void capture_ipv6(const guchar *, int, int, packet_counts *);
|
|
|
|
|
|
#endif /* __PACKET_IPV6_H_DEFINED__ */
|