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/* Copyright (C) 1991,92,93,94,95,96,97,2000 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
 
   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.
 
   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.
 
   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */
 
#ifndef _NETINET_ICMP6_H
#define _NETINET_ICMP6_H 1
 
#include <inttypes.h>
#include <string.h>
#include <sys/types.h>
#include <netinet/in.h>
 
#define ICMP6_FILTER 1
 
#define ICMP6_FILTER_BLOCK              1
#define ICMP6_FILTER_PASS               2
#define ICMP6_FILTER_BLOCKOTHERS        3
#define ICMP6_FILTER_PASSONLY           4
 
struct icmp6_filter
  {
    uint32_t icmp6_filt[8];
  };
 
struct icmp6_hdr
  {
    uint8_t     icmp6_type;   /* type field */
    uint8_t     icmp6_code;   /* code field */
    uint16_t    icmp6_cksum;  /* checksum field */
    union
      {
        uint32_t  icmp6_un_data32[1]; /* type-specific field */
        uint16_t  icmp6_un_data16[2]; /* type-specific field */
        uint8_t   icmp6_un_data8[4];  /* type-specific field */
      } icmp6_dataun;
  };
 
#define icmp6_data32    icmp6_dataun.icmp6_un_data32
#define icmp6_data16    icmp6_dataun.icmp6_un_data16
#define icmp6_data8     icmp6_dataun.icmp6_un_data8
#define icmp6_pptr      icmp6_data32[0]  /* parameter prob */
#define icmp6_mtu       icmp6_data32[0]  /* packet too big */
#define icmp6_id        icmp6_data16[0]  /* echo request/reply */
#define icmp6_seq       icmp6_data16[1]  /* echo request/reply */
#define icmp6_maxdelay  icmp6_data16[0]  /* mcast group membership */
 
#define ICMP6_DST_UNREACH             1
#define ICMP6_PACKET_TOO_BIG          2
#define ICMP6_TIME_EXCEEDED           3
#define ICMP6_PARAM_PROB              4
 
#define ICMP6_INFOMSG_MASK  0x80    /* all informational messages */
 
#define ICMP6_ECHO_REQUEST          128
#define ICMP6_ECHO_REPLY            129
#define MLD_LISTENER_QUERY          130
#define MLD_LISTENER_REPORT         131
#define MLD_LISTENER_REDUCTION      132
 
#define ICMP6_DST_UNREACH_NOROUTE     0 /* no route to destination */
#define ICMP6_DST_UNREACH_ADMIN       1 /* communication with destination */
                                        /* administratively prohibited */
#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */
#define ICMP6_DST_UNREACH_ADDR        3 /* address unreachable */
#define ICMP6_DST_UNREACH_NOPORT      4 /* bad port */
 
#define ICMP6_TIME_EXCEED_TRANSIT     0 /* Hop Limit == 0 in transit */
#define ICMP6_TIME_EXCEED_REASSEMBLY  1 /* Reassembly time out */
 
#define ICMP6_PARAMPROB_HEADER        0 /* erroneous header field */
#define ICMP6_PARAMPROB_NEXTHEADER    1 /* unrecognized Next Header */
#define ICMP6_PARAMPROB_OPTION        2 /* unrecognized IPv6 option */
 
#define ICMP6_FILTER_WILLPASS(type, filterp) \
        ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
 
#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
        ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
 
#define ICMP6_FILTER_SETPASS(type, filterp) \
        ((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31))))
 
#define ICMP6_FILTER_SETBLOCK(type, filterp) \
        ((((filterp)->icmp6_filt[(type) >> 5]) |=  (1 << ((type) & 31))))
 
#define ICMP6_FILTER_SETPASSALL(filterp) \
        memset (filterp, 0, sizeof (struct icmp6_filter));
 
#define ICMP6_FILTER_SETBLOCKALL(filterp) \
        memset (filterp, 0xFF, sizeof (struct icmp6_filter));
 
#define ND_ROUTER_SOLICIT           133
#define ND_ROUTER_ADVERT            134
#define ND_NEIGHBOR_SOLICIT         135
#define ND_NEIGHBOR_ADVERT          136
#define ND_REDIRECT                 137
 
struct nd_router_solicit      /* router solicitation */
  {
    struct icmp6_hdr  nd_rs_hdr;
    /* could be followed by options */
  };
 
#define nd_rs_type               nd_rs_hdr.icmp6_type
#define nd_rs_code               nd_rs_hdr.icmp6_code
#define nd_rs_cksum              nd_rs_hdr.icmp6_cksum
#define nd_rs_reserved           nd_rs_hdr.icmp6_data32[0]
 
struct nd_router_advert       /* router advertisement */
  {
    struct icmp6_hdr  nd_ra_hdr;
    uint32_t   nd_ra_reachable;   /* reachable time */
    uint32_t   nd_ra_retransmit;  /* retransmit timer */
    /* could be followed by options */
  };
 
#define nd_ra_type               nd_ra_hdr.icmp6_type
#define nd_ra_code               nd_ra_hdr.icmp6_code
#define nd_ra_cksum              nd_ra_hdr.icmp6_cksum
#define nd_ra_curhoplimit        nd_ra_hdr.icmp6_data8[0]
#define nd_ra_flags_reserved     nd_ra_hdr.icmp6_data8[1]
#define ND_RA_FLAG_MANAGED       0x80
#define ND_RA_FLAG_OTHER         0x40
#define ND_RA_FLAG_HOME_AGENT    0x20
#define nd_ra_router_lifetime    nd_ra_hdr.icmp6_data16[1]
 
struct nd_neighbor_solicit    /* neighbor solicitation */
  {
    struct icmp6_hdr  nd_ns_hdr;
    struct in6_addr   nd_ns_target; /* target address */
    /* could be followed by options */
  };
 
#define nd_ns_type               nd_ns_hdr.icmp6_type
#define nd_ns_code               nd_ns_hdr.icmp6_code
#define nd_ns_cksum              nd_ns_hdr.icmp6_cksum
#define nd_ns_reserved           nd_ns_hdr.icmp6_data32[0]
 
struct nd_neighbor_advert     /* neighbor advertisement */
  {
    struct icmp6_hdr  nd_na_hdr;
    struct in6_addr   nd_na_target; /* target address */
    /* could be followed by options */
  };
 
#define nd_na_type               nd_na_hdr.icmp6_type
#define nd_na_code               nd_na_hdr.icmp6_code
#define nd_na_cksum              nd_na_hdr.icmp6_cksum
#define nd_na_flags_reserved     nd_na_hdr.icmp6_data32[0]
#if     BYTE_ORDER == BIG_ENDIAN
#define ND_NA_FLAG_ROUTER        0x80000000
#define ND_NA_FLAG_SOLICITED     0x40000000
#define ND_NA_FLAG_OVERRIDE      0x20000000
#else   /* BYTE_ORDER == LITTLE_ENDIAN */
#define ND_NA_FLAG_ROUTER        0x00000080
#define ND_NA_FLAG_SOLICITED     0x00000040
#define ND_NA_FLAG_OVERRIDE      0x00000020
#endif
 
struct nd_redirect            /* redirect */
  {
    struct icmp6_hdr  nd_rd_hdr;
    struct in6_addr   nd_rd_target; /* target address */
    struct in6_addr   nd_rd_dst;    /* destination address */
    /* could be followed by options */
  };
 
#define nd_rd_type               nd_rd_hdr.icmp6_type
#define nd_rd_code               nd_rd_hdr.icmp6_code
#define nd_rd_cksum              nd_rd_hdr.icmp6_cksum
#define nd_rd_reserved           nd_rd_hdr.icmp6_data32[0]
 
struct nd_opt_hdr             /* Neighbor discovery option header */
  {
    uint8_t  nd_opt_type;
    uint8_t  nd_opt_len;        /* in units of 8 octets */
    /* followed by option specific data */
  };
 
#define  ND_OPT_SOURCE_LINKADDR       1
#define  ND_OPT_TARGET_LINKADDR       2
#define  ND_OPT_PREFIX_INFORMATION    3
#define  ND_OPT_REDIRECTED_HEADER     4
#define  ND_OPT_MTU                   5
#define  ND_OPT_RTR_ADV_INTERVAL      7
#define  ND_OPT_HOME_AGENT_INFO       8
 
struct nd_opt_prefix_info     /* prefix information */
  {
    uint8_t   nd_opt_pi_type;
    uint8_t   nd_opt_pi_len;
    uint8_t   nd_opt_pi_prefix_len;
    uint8_t   nd_opt_pi_flags_reserved;
    uint32_t  nd_opt_pi_valid_time;
    uint32_t  nd_opt_pi_preferred_time;
    uint32_t  nd_opt_pi_reserved2;
    struct in6_addr  nd_opt_pi_prefix;
  };
 
#define ND_OPT_PI_FLAG_ONLINK        0x80
#define ND_OPT_PI_FLAG_AUTO          0x40
#define ND_OPT_PI_FLAG_RADDR         0x20
 
struct nd_opt_rd_hdr          /* redirected header */
  {
    uint8_t   nd_opt_rh_type;
    uint8_t   nd_opt_rh_len;
    uint16_t  nd_opt_rh_reserved1;
    uint32_t  nd_opt_rh_reserved2;
    /* followed by IP header and data */
  };
 
struct nd_opt_mtu             /* MTU option */
  {
    uint8_t   nd_opt_mtu_type;
    uint8_t   nd_opt_mtu_len;
    uint16_t  nd_opt_mtu_reserved;
    uint32_t  nd_opt_mtu_mtu;
  };
 
struct mld_hdr
  {
    struct icmp6_hdr    mld_icmp6_hdr;
    struct in6_addr     mld_addr; /* multicast address */
  };
 
#define mld_type        mld_icmp6_hdr.icmp6_type
#define mld_code        mld_icmp6_hdr.icmp6_code
#define mld_cksum       mld_icmp6_hdr.icmp6_cksum
#define mld_maxdelay    mld_icmp6_hdr.icmp6_data16[0]
#define mld_reserved    mld_icmp6_hdr.icmp6_data16[1]
 
#define ICMP6_ROUTER_RENUMBERING    138
 
struct icmp6_router_renum    /* router renumbering header */
  {
    struct icmp6_hdr    rr_hdr;
    uint8_t             rr_segnum;
    uint8_t             rr_flags;
    uint16_t            rr_maxdelay;
    uint32_t            rr_reserved;
  };
 
#define rr_type         rr_hdr.icmp6_type
#define rr_code         rr_hdr.icmp6_code
#define rr_cksum        rr_hdr.icmp6_cksum
#define rr_seqnum       rr_hdr.icmp6_data32[0]
 
/* Router renumbering flags */
#define ICMP6_RR_FLAGS_TEST             0x80
#define ICMP6_RR_FLAGS_REQRESULT        0x40
#define ICMP6_RR_FLAGS_FORCEAPPLY       0x20
#define ICMP6_RR_FLAGS_SPECSITE         0x10
#define ICMP6_RR_FLAGS_PREVDONE         0x08
 
struct rr_pco_match    /* match prefix part */
  {
    uint8_t             rpm_code;
    uint8_t             rpm_len;
    uint8_t             rpm_ordinal;
    uint8_t             rpm_matchlen;
    uint8_t             rpm_minlen;
    uint8_t             rpm_maxlen;
    uint16_t            rpm_reserved;
    struct in6_addr     rpm_prefix;
  };
 
/* PCO code values */
#define RPM_PCO_ADD             1
#define RPM_PCO_CHANGE          2
#define RPM_PCO_SETGLOBAL       3
 
struct rr_pco_use      /* use prefix part */
  {
    uint8_t             rpu_uselen;
    uint8_t             rpu_keeplen;
    uint8_t             rpu_ramask;
    uint8_t             rpu_raflags;
    uint32_t            rpu_vltime;
    uint32_t            rpu_pltime;
    uint32_t            rpu_flags;
    struct in6_addr     rpu_prefix;
  };
 
#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK  0x20
#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO    0x10
 
#if BYTE_ORDER == BIG_ENDIAN
# define ICMP6_RR_PCOUSE_DECRVLTIME      0x80000000
# define ICMP6_RR_PCOUSE_DECRPLTIME      0x40000000
#elif BYTE_ORDER == LITTLE_ENDIAN
# define ICMP6_RR_PCOUSE_DECRVLTIME      0x80
# define ICMP6_RR_PCOUSE_DECRPLTIME      0x40
#endif
 
struct rr_result       /* router renumbering result message */
  {
    uint16_t            rrr_flags;
    uint8_t             rrr_ordinal;
    uint8_t             rrr_matchedlen;
    uint32_t            rrr_ifid;
    struct in6_addr     rrr_prefix;
  };
 
#if BYTE_ORDER == BIG_ENDIAN
# define ICMP6_RR_RESULT_FLAGS_OOB       0x0002
# define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
#elif BYTE_ORDER == LITTLE_ENDIAN
# define ICMP6_RR_RESULT_FLAGS_OOB       0x0200
# define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
#endif
 
/* Mobile IPv6 extension: Advertisement Interval.  */
struct nd_opt_adv_interval
  {
    uint8_t   nd_opt_adv_interval_type;
    uint8_t   nd_opt_adv_interval_len;
    uint16_t  nd_opt_adv_interval_reserved;
    uint32_t  nd_opt_adv_interval_ival;
  };
 
/* Mobile IPv6 extension: Home Agent Info.  */
struct nd_opt_home_agent_info
  {
    uint8_t   nd_opt_home_agent_info_type;
    uint8_t   nd_opt_home_agent_info_len;
    uint16_t  nd_opt_home_agent_info_reserved;
    int16_t   nd_opt_home_agent_info_preference;
    uint16_t  nd_opt_home_agent_info_lifetime;
  };
 
#endif /* netinet/icmpv6.h */

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[/] [c0or1k/] [trunk/] [conts/] [posix/] [libposix/] [include/] [posix/] [netinet/] [icmp6.h] - Blame information for rev 2

Line No.	Rev	Author	Line
1	2	drasko	`/* Copyright (C) 1991,92,93,94,95,96,97,2000 Free Software Foundation, Inc.`
2			`This file is part of the GNU C Library.`
3
4			`The GNU C Library is free software; you can redistribute it and/or`
5			`modify it under the terms of the GNU Lesser General Public`
6			`License as published by the Free Software Foundation; either`
7			`version 2.1 of the License, or (at your option) any later version.`
8
9			`The GNU C Library is distributed in the hope that it will be useful,`
10			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
11			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU`
12			`Lesser General Public License for more details.`
13
14			`You should have received a copy of the GNU Lesser General Public`
15			`License along with the GNU C Library; if not, write to the Free`
16			`Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA`
17			`02111-1307 USA. */`
18
19			`#ifndef _NETINET_ICMP6_H`
20			`#define _NETINET_ICMP6_H 1`
21
22			`#include <inttypes.h>`
23			`#include <string.h>`
24			`#include <sys/types.h>`
25			`#include <netinet/in.h>`
26
27			`#define ICMP6_FILTER 1`
28
29			`#define ICMP6_FILTER_BLOCK 1`
30			`#define ICMP6_FILTER_PASS 2`
31			`#define ICMP6_FILTER_BLOCKOTHERS 3`
32			`#define ICMP6_FILTER_PASSONLY 4`
33
34			`struct icmp6_filter`
35			`{`
36			`uint32_t icmp6_filt[8];`
37			`};`
38
39			`struct icmp6_hdr`
40			`{`
41			`uint8_t icmp6_type; /* type field */`
42			`uint8_t icmp6_code; /* code field */`
43			`uint16_t icmp6_cksum; /* checksum field */`
44			`union`
45			`{`
46			`uint32_t icmp6_un_data32[1]; /* type-specific field */`
47			`uint16_t icmp6_un_data16[2]; /* type-specific field */`
48			`uint8_t icmp6_un_data8[4]; /* type-specific field */`
49			`} icmp6_dataun;`
50			`};`
51
52			`#define icmp6_data32 icmp6_dataun.icmp6_un_data32`
53			`#define icmp6_data16 icmp6_dataun.icmp6_un_data16`
54			`#define icmp6_data8 icmp6_dataun.icmp6_un_data8`
55			`#define icmp6_pptr icmp6_data32[0] /* parameter prob */`
56			`#define icmp6_mtu icmp6_data32[0] /* packet too big */`
57			`#define icmp6_id icmp6_data16[0] /* echo request/reply */`
58			`#define icmp6_seq icmp6_data16[1] /* echo request/reply */`
59			`#define icmp6_maxdelay icmp6_data16[0] /* mcast group membership */`
60
61			`#define ICMP6_DST_UNREACH 1`
62			`#define ICMP6_PACKET_TOO_BIG 2`
63			`#define ICMP6_TIME_EXCEEDED 3`
64			`#define ICMP6_PARAM_PROB 4`
65
66			`#define ICMP6_INFOMSG_MASK 0x80 /* all informational messages */`
67
68			`#define ICMP6_ECHO_REQUEST 128`
69			`#define ICMP6_ECHO_REPLY 129`
70			`#define MLD_LISTENER_QUERY 130`
71			`#define MLD_LISTENER_REPORT 131`
72			`#define MLD_LISTENER_REDUCTION 132`
73
74			`#define ICMP6_DST_UNREACH_NOROUTE 0 /* no route to destination */`
75			`#define ICMP6_DST_UNREACH_ADMIN 1 /* communication with destination */`
76			`/* administratively prohibited */`
77			`#define ICMP6_DST_UNREACH_BEYONDSCOPE 2 /* beyond scope of source address */`
78			`#define ICMP6_DST_UNREACH_ADDR 3 /* address unreachable */`
79			`#define ICMP6_DST_UNREACH_NOPORT 4 /* bad port */`
80
81			`#define ICMP6_TIME_EXCEED_TRANSIT 0 /* Hop Limit == 0 in transit */`
82			`#define ICMP6_TIME_EXCEED_REASSEMBLY 1 /* Reassembly time out */`
83
84			`#define ICMP6_PARAMPROB_HEADER 0 /* erroneous header field */`
85			`#define ICMP6_PARAMPROB_NEXTHEADER 1 /* unrecognized Next Header */`
86			`#define ICMP6_PARAMPROB_OPTION 2 /* unrecognized IPv6 option */`
87
88			`#define ICMP6_FILTER_WILLPASS(type, filterp) \`
89			`((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)`
90
91			`#define ICMP6_FILTER_WILLBLOCK(type, filterp) \`
92			`((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)`
93
94			`#define ICMP6_FILTER_SETPASS(type, filterp) \`
95			`((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31))))`
96
97			`#define ICMP6_FILTER_SETBLOCK(type, filterp) \`
98			`((((filterp)->icmp6_filt[(type) >> 5]) \|= (1 << ((type) & 31))))`
99
100			`#define ICMP6_FILTER_SETPASSALL(filterp) \`
101			`memset (filterp, 0, sizeof (struct icmp6_filter));`
102
103			`#define ICMP6_FILTER_SETBLOCKALL(filterp) \`
104			`memset (filterp, 0xFF, sizeof (struct icmp6_filter));`
105
106			`#define ND_ROUTER_SOLICIT 133`
107			`#define ND_ROUTER_ADVERT 134`
108			`#define ND_NEIGHBOR_SOLICIT 135`
109			`#define ND_NEIGHBOR_ADVERT 136`
110			`#define ND_REDIRECT 137`
111
112			`struct nd_router_solicit /* router solicitation */`
113			`{`
114			`struct icmp6_hdr nd_rs_hdr;`
115			`/* could be followed by options */`
116			`};`
117
118			`#define nd_rs_type nd_rs_hdr.icmp6_type`
119			`#define nd_rs_code nd_rs_hdr.icmp6_code`
120			`#define nd_rs_cksum nd_rs_hdr.icmp6_cksum`
121			`#define nd_rs_reserved nd_rs_hdr.icmp6_data32[0]`
122
123			`struct nd_router_advert /* router advertisement */`
124			`{`
125			`struct icmp6_hdr nd_ra_hdr;`
126			`uint32_t nd_ra_reachable; /* reachable time */`
127			`uint32_t nd_ra_retransmit; /* retransmit timer */`
128			`/* could be followed by options */`
129			`};`
130
131			`#define nd_ra_type nd_ra_hdr.icmp6_type`
132			`#define nd_ra_code nd_ra_hdr.icmp6_code`
133			`#define nd_ra_cksum nd_ra_hdr.icmp6_cksum`
134			`#define nd_ra_curhoplimit nd_ra_hdr.icmp6_data8[0]`
135			`#define nd_ra_flags_reserved nd_ra_hdr.icmp6_data8[1]`
136			`#define ND_RA_FLAG_MANAGED 0x80`
137			`#define ND_RA_FLAG_OTHER 0x40`
138			`#define ND_RA_FLAG_HOME_AGENT 0x20`
139			`#define nd_ra_router_lifetime nd_ra_hdr.icmp6_data16[1]`
140
141			`struct nd_neighbor_solicit /* neighbor solicitation */`
142			`{`
143			`struct icmp6_hdr nd_ns_hdr;`
144			`struct in6_addr nd_ns_target; /* target address */`
145			`/* could be followed by options */`
146			`};`
147
148			`#define nd_ns_type nd_ns_hdr.icmp6_type`
149			`#define nd_ns_code nd_ns_hdr.icmp6_code`
150			`#define nd_ns_cksum nd_ns_hdr.icmp6_cksum`
151			`#define nd_ns_reserved nd_ns_hdr.icmp6_data32[0]`
152
153			`struct nd_neighbor_advert /* neighbor advertisement */`
154			`{`
155			`struct icmp6_hdr nd_na_hdr;`
156			`struct in6_addr nd_na_target; /* target address */`
157			`/* could be followed by options */`
158			`};`
159
160			`#define nd_na_type nd_na_hdr.icmp6_type`
161			`#define nd_na_code nd_na_hdr.icmp6_code`
162			`#define nd_na_cksum nd_na_hdr.icmp6_cksum`
163			`#define nd_na_flags_reserved nd_na_hdr.icmp6_data32[0]`
164			`#if BYTE_ORDER == BIG_ENDIAN`
165			`#define ND_NA_FLAG_ROUTER 0x80000000`
166			`#define ND_NA_FLAG_SOLICITED 0x40000000`
167			`#define ND_NA_FLAG_OVERRIDE 0x20000000`
168			`#else /* BYTE_ORDER == LITTLE_ENDIAN */`
169			`#define ND_NA_FLAG_ROUTER 0x00000080`
170			`#define ND_NA_FLAG_SOLICITED 0x00000040`
171			`#define ND_NA_FLAG_OVERRIDE 0x00000020`
172			`#endif`
173
174			`struct nd_redirect /* redirect */`
175			`{`
176			`struct icmp6_hdr nd_rd_hdr;`
177			`struct in6_addr nd_rd_target; /* target address */`
178			`struct in6_addr nd_rd_dst; /* destination address */`
179			`/* could be followed by options */`
180			`};`
181
182			`#define nd_rd_type nd_rd_hdr.icmp6_type`
183			`#define nd_rd_code nd_rd_hdr.icmp6_code`
184			`#define nd_rd_cksum nd_rd_hdr.icmp6_cksum`
185			`#define nd_rd_reserved nd_rd_hdr.icmp6_data32[0]`
186
187			`struct nd_opt_hdr /* Neighbor discovery option header */`
188			`{`
189			`uint8_t nd_opt_type;`
190			`uint8_t nd_opt_len; /* in units of 8 octets */`
191			`/* followed by option specific data */`
192			`};`
193
194			`#define ND_OPT_SOURCE_LINKADDR 1`
195			`#define ND_OPT_TARGET_LINKADDR 2`
196			`#define ND_OPT_PREFIX_INFORMATION 3`
197			`#define ND_OPT_REDIRECTED_HEADER 4`
198			`#define ND_OPT_MTU 5`
199			`#define ND_OPT_RTR_ADV_INTERVAL 7`
200			`#define ND_OPT_HOME_AGENT_INFO 8`
201
202			`struct nd_opt_prefix_info /* prefix information */`
203			`{`
204			`uint8_t nd_opt_pi_type;`
205			`uint8_t nd_opt_pi_len;`
206			`uint8_t nd_opt_pi_prefix_len;`
207			`uint8_t nd_opt_pi_flags_reserved;`
208			`uint32_t nd_opt_pi_valid_time;`
209			`uint32_t nd_opt_pi_preferred_time;`
210			`uint32_t nd_opt_pi_reserved2;`
211			`struct in6_addr nd_opt_pi_prefix;`
212			`};`
213
214			`#define ND_OPT_PI_FLAG_ONLINK 0x80`
215			`#define ND_OPT_PI_FLAG_AUTO 0x40`
216			`#define ND_OPT_PI_FLAG_RADDR 0x20`
217
218			`struct nd_opt_rd_hdr /* redirected header */`
219			`{`
220			`uint8_t nd_opt_rh_type;`
221			`uint8_t nd_opt_rh_len;`
222			`uint16_t nd_opt_rh_reserved1;`
223			`uint32_t nd_opt_rh_reserved2;`
224			`/* followed by IP header and data */`
225			`};`
226
227			`struct nd_opt_mtu /* MTU option */`
228			`{`
229			`uint8_t nd_opt_mtu_type;`
230			`uint8_t nd_opt_mtu_len;`
231			`uint16_t nd_opt_mtu_reserved;`
232			`uint32_t nd_opt_mtu_mtu;`
233			`};`
234
235			`struct mld_hdr`
236			`{`
237			`struct icmp6_hdr mld_icmp6_hdr;`
238			`struct in6_addr mld_addr; /* multicast address */`
239			`};`
240
241			`#define mld_type mld_icmp6_hdr.icmp6_type`
242			`#define mld_code mld_icmp6_hdr.icmp6_code`
243			`#define mld_cksum mld_icmp6_hdr.icmp6_cksum`
244			`#define mld_maxdelay mld_icmp6_hdr.icmp6_data16[0]`
245			`#define mld_reserved mld_icmp6_hdr.icmp6_data16[1]`
246
247			`#define ICMP6_ROUTER_RENUMBERING 138`
248
249			`struct icmp6_router_renum /* router renumbering header */`
250			`{`
251			`struct icmp6_hdr rr_hdr;`
252			`uint8_t rr_segnum;`
253			`uint8_t rr_flags;`
254			`uint16_t rr_maxdelay;`
255			`uint32_t rr_reserved;`
256			`};`
257
258			`#define rr_type rr_hdr.icmp6_type`
259			`#define rr_code rr_hdr.icmp6_code`
260			`#define rr_cksum rr_hdr.icmp6_cksum`
261			`#define rr_seqnum rr_hdr.icmp6_data32[0]`
262
263			`/* Router renumbering flags */`
264			`#define ICMP6_RR_FLAGS_TEST 0x80`
265			`#define ICMP6_RR_FLAGS_REQRESULT 0x40`
266			`#define ICMP6_RR_FLAGS_FORCEAPPLY 0x20`
267			`#define ICMP6_RR_FLAGS_SPECSITE 0x10`
268			`#define ICMP6_RR_FLAGS_PREVDONE 0x08`
269
270			`struct rr_pco_match /* match prefix part */`
271			`{`
272			`uint8_t rpm_code;`
273			`uint8_t rpm_len;`
274			`uint8_t rpm_ordinal;`
275			`uint8_t rpm_matchlen;`
276			`uint8_t rpm_minlen;`
277			`uint8_t rpm_maxlen;`
278			`uint16_t rpm_reserved;`
279			`struct in6_addr rpm_prefix;`
280			`};`
281
282			`/* PCO code values */`
283			`#define RPM_PCO_ADD 1`
284			`#define RPM_PCO_CHANGE 2`
285			`#define RPM_PCO_SETGLOBAL 3`
286
287			`struct rr_pco_use /* use prefix part */`
288			`{`
289			`uint8_t rpu_uselen;`
290			`uint8_t rpu_keeplen;`
291			`uint8_t rpu_ramask;`
292			`uint8_t rpu_raflags;`
293			`uint32_t rpu_vltime;`
294			`uint32_t rpu_pltime;`
295			`uint32_t rpu_flags;`
296			`struct in6_addr rpu_prefix;`
297			`};`
298
299			`#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK 0x20`
300			`#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO 0x10`
301
302			`#if BYTE_ORDER == BIG_ENDIAN`
303			`# define ICMP6_RR_PCOUSE_DECRVLTIME 0x80000000`
304			`# define ICMP6_RR_PCOUSE_DECRPLTIME 0x40000000`
305			`#elif BYTE_ORDER == LITTLE_ENDIAN`
306			`# define ICMP6_RR_PCOUSE_DECRVLTIME 0x80`
307			`# define ICMP6_RR_PCOUSE_DECRPLTIME 0x40`
308			`#endif`
309
310			`struct rr_result /* router renumbering result message */`
311			`{`
312			`uint16_t rrr_flags;`
313			`uint8_t rrr_ordinal;`
314			`uint8_t rrr_matchedlen;`
315			`uint32_t rrr_ifid;`
316			`struct in6_addr rrr_prefix;`
317			`};`
318
319			`#if BYTE_ORDER == BIG_ENDIAN`
320			`# define ICMP6_RR_RESULT_FLAGS_OOB 0x0002`
321			`# define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001`
322			`#elif BYTE_ORDER == LITTLE_ENDIAN`
323			`# define ICMP6_RR_RESULT_FLAGS_OOB 0x0200`
324			`# define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100`
325			`#endif`
326
327			`/* Mobile IPv6 extension: Advertisement Interval. */`
328			`struct nd_opt_adv_interval`
329			`{`
330			`uint8_t nd_opt_adv_interval_type;`
331			`uint8_t nd_opt_adv_interval_len;`
332			`uint16_t nd_opt_adv_interval_reserved;`
333			`uint32_t nd_opt_adv_interval_ival;`
334			`};`
335
336			`/* Mobile IPv6 extension: Home Agent Info. */`
337			`struct nd_opt_home_agent_info`
338			`{`
339			`uint8_t nd_opt_home_agent_info_type;`
340			`uint8_t nd_opt_home_agent_info_len;`
341			`uint16_t nd_opt_home_agent_info_reserved;`
342			`int16_t nd_opt_home_agent_info_preference;`
343			`uint16_t nd_opt_home_agent_info_lifetime;`
344			`};`
345
346			`#endif /* netinet/icmpv6.h */`