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Annotation of src/sys/netinet6/in6_var.h, Revision 1.16

1.16    ! itojun      1: /*     $NetBSD: in6_var.h,v 1.15 2000/04/16 15:00:57 itojun Exp $      */
1.15      itojun      2: /*     $KAME: in6_var.h,v 1.31 2000/03/25 07:23:46 sumikawa Exp $      */
1.3       thorpej     3:
1.2       itojun      4: /*
                      5:  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
                      6:  * All rights reserved.
1.15      itojun      7:  *
1.2       itojun      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the project nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
1.15      itojun     19:  *
1.2       itojun     20:  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  */
                     32:
                     33: /*
                     34:  * Copyright (c) 1985, 1986, 1993
                     35:  *     The Regents of the University of California.  All rights reserved.
                     36:  *
                     37:  * Redistribution and use in source and binary forms, with or without
                     38:  * modification, are permitted provided that the following conditions
                     39:  * are met:
                     40:  * 1. Redistributions of source code must retain the above copyright
                     41:  *    notice, this list of conditions and the following disclaimer.
                     42:  * 2. Redistributions in binary form must reproduce the above copyright
                     43:  *    notice, this list of conditions and the following disclaimer in the
                     44:  *    documentation and/or other materials provided with the distribution.
                     45:  * 3. All advertising materials mentioning features or use of this software
                     46:  *    must display the following acknowledgement:
                     47:  *     This product includes software developed by the University of
                     48:  *     California, Berkeley and its contributors.
                     49:  * 4. Neither the name of the University nor the names of its contributors
                     50:  *    may be used to endorse or promote products derived from this software
                     51:  *    without specific prior written permission.
                     52:  *
                     53:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     54:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     55:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     56:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     57:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     58:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     59:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     60:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     61:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     62:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     63:  * SUCH DAMAGE.
                     64:  *
                     65:  *     @(#)in_var.h    8.1 (Berkeley) 6/10/93
                     66:  */
                     67:
                     68: #ifndef _NETINET6_IN6_VAR_H_
                     69: #define _NETINET6_IN6_VAR_H_
                     70:
                     71: /*
                     72:  * Interface address, Internet version.  One of these structures
                     73:  * is allocated for each interface with an Internet address.
                     74:  * The ifaddr structure contains the protocol-independent part
                     75:  * of the structure and is assumed to be first.
                     76:  */
                     77:
                     78: /*
                     79:  * pltime/vltime are just for future reference (required to implements 2
                     80:  * hour rule for hosts).  they should never be modified by nd6_timeout or
                     81:  * anywhere else.
                     82:  *     userland -> kernel: accept pltime/vltime
                     83:  *     kernel -> userland: throuw up everything
                     84:  *     in kernel: modify preferred/expire only
                     85:  */
                     86: struct in6_addrlifetime {
                     87:        time_t ia6t_expire;     /* valid lifetime expiration time */
                     88:        time_t ia6t_preferred;  /* preferred lifetime expiration time */
                     89:        u_int32_t ia6t_vltime;  /* valid lifetime */
                     90:        u_int32_t ia6t_pltime;  /* prefix lifetime */
                     91: };
                     92:
                     93: struct in6_ifaddr {
                     94:        struct  ifaddr ia_ifa;          /* protocol-independent info */
                     95: #define        ia_ifp          ia_ifa.ifa_ifp
                     96: #define ia_flags       ia_ifa.ifa_flags
                     97:        struct  sockaddr_in6 ia_addr;   /* interface address */
                     98:        struct  sockaddr_in6 ia_net;    /* network number of interface */
                     99:        struct  sockaddr_in6 ia_dstaddr; /* space for destination addr */
                    100:        struct  sockaddr_in6 ia_prefixmask; /* prefix mask */
1.4       itojun    101:        u_int32_t ia_plen;              /* prefix length */
1.2       itojun    102:        struct  in6_ifaddr *ia_next;    /* next in6 list of IP6 addresses */
                    103:        LIST_HEAD(in6_multihead, in6_multi) ia6_multiaddrs;
                    104:                                        /* list of multicast addresses */
                    105:        int     ia6_flags;
                    106:
                    107:        struct in6_addrlifetime ia6_lifetime;   /* NULL = infty */
1.5       itojun    108:        struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */
                    109: };
                    110:
                    111: /*
                    112:  * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
                    113:  */
                    114: struct in6_ifstat {
                    115:        u_quad_t ifs6_in_receive;       /* # of total input datagram */
                    116:        u_quad_t ifs6_in_hdrerr;        /* # of datagrams with invalid hdr */
                    117:        u_quad_t ifs6_in_toobig;        /* # of datagrams exceeded MTU */
                    118:        u_quad_t ifs6_in_noroute;       /* # of datagrams with no route */
                    119:        u_quad_t ifs6_in_addrerr;       /* # of datagrams with invalid dst */
                    120:        u_quad_t ifs6_in_protounknown;  /* # of datagrams with unknown proto */
                    121:                                        /* NOTE: increment on final dst if */
                    122:        u_quad_t ifs6_in_truncated;     /* # of truncated datagrams */
                    123:        u_quad_t ifs6_in_discard;       /* # of discarded datagrams */
                    124:                                        /* NOTE: fragment timeout is not here */
                    125:        u_quad_t ifs6_in_deliver;       /* # of datagrams delivered to ULP */
                    126:                                        /* NOTE: increment on final dst if */
                    127:        u_quad_t ifs6_out_forward;      /* # of datagrams forwarded */
                    128:                                        /* NOTE: increment on outgoing if */
                    129:        u_quad_t ifs6_out_request;      /* # of outgoing datagrams from ULP */
                    130:                                        /* NOTE: does not include forwrads */
                    131:        u_quad_t ifs6_out_discard;      /* # of discarded datagrams */
                    132:        u_quad_t ifs6_out_fragok;       /* # of datagrams fragmented */
                    133:        u_quad_t ifs6_out_fragfail;     /* # of datagrams failed on fragment */
                    134:        u_quad_t ifs6_out_fragcreat;    /* # of fragment datagrams */
                    135:                                        /* NOTE: this is # after fragment */
                    136:        u_quad_t ifs6_reass_reqd;       /* # of incoming fragmented packets */
                    137:                                        /* NOTE: increment on final dst if */
                    138:        u_quad_t ifs6_reass_ok;         /* # of reassembled packets */
                    139:                                        /* NOTE: this is # after reass */
                    140:                                        /* NOTE: increment on final dst if */
                    141:        u_quad_t ifs6_reass_fail;       /* # of reass failures */
                    142:                                        /* NOTE: may not be packet count */
                    143:                                        /* NOTE: increment on final dst if */
                    144:        u_quad_t ifs6_in_mcast;         /* # of inbound multicast datagrams */
                    145:        u_quad_t ifs6_out_mcast;        /* # of outbound multicast datagrams */
                    146: };
                    147:
                    148: /*
                    149:  * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
                    150:  * XXX: I'm not sure if this file is the right place for this structure...
                    151:  */
                    152: struct icmp6_ifstat {
                    153:        /*
                    154:         * Input statistics
                    155:         */
                    156:        /* ipv6IfIcmpInMsgs, total # of input messages */
                    157:        u_quad_t ifs6_in_msg;
                    158:        /* ipv6IfIcmpInErrors, # of input error messages */
                    159:        u_quad_t ifs6_in_error;
                    160:        /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
                    161:        u_quad_t ifs6_in_dstunreach;
                    162:        /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
                    163:        u_quad_t ifs6_in_adminprohib;
                    164:        /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
                    165:        u_quad_t ifs6_in_timeexceed;
                    166:        /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
                    167:        u_quad_t ifs6_in_paramprob;
                    168:        /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
                    169:        u_quad_t ifs6_in_pkttoobig;
                    170:        /* ipv6IfIcmpInEchos, # of input echo requests */
                    171:        u_quad_t ifs6_in_echo;
                    172:        /* ipv6IfIcmpInEchoReplies, # of input echo replies */
                    173:        u_quad_t ifs6_in_echoreply;
                    174:        /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
                    175:        u_quad_t ifs6_in_routersolicit;
                    176:        /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
                    177:        u_quad_t ifs6_in_routeradvert;
                    178:        /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
                    179:        u_quad_t ifs6_in_neighborsolicit;
                    180:        /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
                    181:        u_quad_t ifs6_in_neighboradvert;
                    182:        /* ipv6IfIcmpInRedirects, # of input redirects */
                    183:        u_quad_t ifs6_in_redirect;
                    184:        /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
                    185:        u_quad_t ifs6_in_mldquery;
                    186:        /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
                    187:        u_quad_t ifs6_in_mldreport;
                    188:        /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
                    189:        u_quad_t ifs6_in_mlddone;
                    190:
                    191:        /*
1.15      itojun    192:         * Output statistics. We should solve unresolved routing problem...
1.5       itojun    193:         */
                    194:        /* ipv6IfIcmpOutMsgs, total # of output messages */
                    195:        u_quad_t ifs6_out_msg;
                    196:        /* ipv6IfIcmpOutErrors, # of output error messages */
                    197:        u_quad_t ifs6_out_error;
                    198:        /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
                    199:        u_quad_t ifs6_out_dstunreach;
                    200:        /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
                    201:        u_quad_t ifs6_out_adminprohib;
                    202:        /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
                    203:        u_quad_t ifs6_out_timeexceed;
                    204:        /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
                    205:        u_quad_t ifs6_out_paramprob;
                    206:        /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
                    207:        u_quad_t ifs6_out_pkttoobig;
                    208:        /* ipv6IfIcmpOutEchos, # of output echo requests */
                    209:        u_quad_t ifs6_out_echo;
                    210:        /* ipv6IfIcmpOutEchoReplies, # of output echo replies */
                    211:        u_quad_t ifs6_out_echoreply;
                    212:        /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
                    213:        u_quad_t ifs6_out_routersolicit;
                    214:        /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
                    215:        u_quad_t ifs6_out_routeradvert;
                    216:        /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
                    217:        u_quad_t ifs6_out_neighborsolicit;
                    218:        /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
                    219:        u_quad_t ifs6_out_neighboradvert;
                    220:        /* ipv6IfIcmpOutRedirects, # of output redirects */
                    221:        u_quad_t ifs6_out_redirect;
                    222:        /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
                    223:        u_quad_t ifs6_out_mldquery;
                    224:        /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
                    225:        u_quad_t ifs6_out_mldreport;
                    226:        /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
                    227:        u_quad_t ifs6_out_mlddone;
1.2       itojun    228: };
                    229:
                    230: struct in6_ifreq {
                    231:        char    ifr_name[IFNAMSIZ];
                    232:        union {
                    233:                struct  sockaddr_in6 ifru_addr;
                    234:                struct  sockaddr_in6 ifru_dstaddr;
                    235:                short   ifru_flags;
                    236:                int     ifru_flags6;
                    237:                int     ifru_metric;
                    238:                caddr_t ifru_data;
                    239:                struct in6_addrlifetime ifru_lifetime;
1.5       itojun    240:                struct in6_ifstat ifru_stat;
                    241:                struct icmp6_ifstat ifru_icmp6stat;
1.2       itojun    242:        } ifr_ifru;
                    243: };
                    244:
                    245: struct in6_aliasreq {
                    246:        char    ifra_name[IFNAMSIZ];
                    247:        struct  sockaddr_in6 ifra_addr;
                    248:        struct  sockaddr_in6 ifra_dstaddr;
                    249:        struct  sockaddr_in6 ifra_prefixmask;
                    250:        int     ifra_flags;
                    251:        struct in6_addrlifetime ifra_lifetime;
                    252: };
                    253:
1.5       itojun    254: /* prefix type macro */
                    255: #define IN6_PREFIX_ND  1
                    256: #define IN6_PREFIX_RR  2
                    257:
1.2       itojun    258: /*
                    259:  * prefix related flags passed between kernel(NDP related part) and
                    260:  * user land command(ifconfig) and daemon(rtadvd).
                    261:  */
                    262: struct in6_prflags {
                    263:        struct prf_ra {
                    264:                u_char onlink : 1;
                    265:                u_char autonomous : 1;
                    266:                u_char reserved : 6;
                    267:        } prf_ra;
                    268:        u_char prf_reserved1;
                    269:        u_short prf_reserved2;
                    270:        /* want to put this on 4byte offset */
                    271:        struct prf_rr {
                    272:                u_char decrvalid : 1;
                    273:                u_char decrprefd : 1;
                    274:                u_char reserved : 6;
                    275:        } prf_rr;
                    276:        u_char prf_reserved3;
                    277:        u_short prf_reserved4;
                    278: };
                    279:
                    280: struct  in6_prefixreq {
                    281:        char    ipr_name[IFNAMSIZ];
                    282:        u_char  ipr_origin;
                    283:        u_char  ipr_plen;
1.4       itojun    284:        u_int32_t ipr_vltime;
                    285:        u_int32_t ipr_pltime;
1.2       itojun    286:        struct in6_prflags ipr_flags;
                    287:        struct  sockaddr_in6 ipr_prefix;
                    288: };
                    289:
                    290: #define PR_ORIG_RA     0
                    291: #define PR_ORIG_RR     1
                    292: #define PR_ORIG_STATIC 2
1.5       itojun    293: #define PR_ORIG_KERNEL 3
1.2       itojun    294:
                    295: #define ipr_raf_onlink         ipr_flags.prf_ra.onlink
                    296: #define ipr_raf_auto           ipr_flags.prf_ra.autonomous
                    297:
                    298: #define ipr_statef_onlink      ipr_flags.prf_state.onlink
                    299:
                    300: #define ipr_rrf_decrvalid      ipr_flags.prf_rr.decrvalid
                    301: #define ipr_rrf_decrprefd      ipr_flags.prf_rr.decrprefd
                    302:
                    303: struct in6_rrenumreq {
                    304:        char    irr_name[IFNAMSIZ];
                    305:        u_char  irr_origin;
                    306:        u_char  irr_m_len;      /* match len for matchprefix */
                    307:        u_char  irr_m_minlen;   /* minlen for matching prefix */
                    308:        u_char  irr_m_maxlen;   /* maxlen for matching prefix */
                    309:        u_char  irr_u_uselen;   /* uselen for adding prefix */
                    310:        u_char  irr_u_keeplen;  /* keeplen from matching prefix */
                    311:        struct irr_raflagmask {
                    312:                u_char onlink : 1;
                    313:                u_char autonomous : 1;
                    314:                u_char reserved : 6;
                    315:        } irr_raflagmask;
1.4       itojun    316:        u_int32_t irr_vltime;
                    317:        u_int32_t irr_pltime;
1.2       itojun    318:        struct in6_prflags irr_flags;
                    319:        struct  sockaddr_in6 irr_matchprefix;
                    320:        struct  sockaddr_in6 irr_useprefix;
                    321: };
                    322:
                    323: #define irr_raf_mask_onlink    irr_raflagmask.onlink
                    324: #define irr_raf_mask_auto      irr_raflagmask.autonomous
                    325: #define irr_raf_mask_reserved  irr_raflagmask.reserved
                    326:
                    327: #define irr_raf_onlink         irr_flags.prf_ra.onlink
                    328: #define irr_raf_auto           irr_flags.prf_ra.autonomous
                    329:
                    330: #define irr_statef_onlink      irr_flags.prf_state.onlink
                    331:
                    332: #define irr_rrf                        irr_flags.prf_rr
                    333: #define irr_rrf_decrvalid      irr_flags.prf_rr.decrvalid
                    334: #define irr_rrf_decrprefd      irr_flags.prf_rr.decrprefd
                    335:
                    336: /*
                    337:  * Given a pointer to an in6_ifaddr (ifaddr),
                    338:  * return a pointer to the addr as a sockaddr_in6
                    339:  */
1.5       itojun    340: #define IA6_IN6(ia)    (&((ia)->ia_addr.sin6_addr))
                    341: #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
                    342: #define IA6_MASKIN6(ia)        (&((ia)->ia_prefixmask.sin6_addr))
                    343: #define IA6_SIN6(ia)   (&((ia)->ia_addr))
                    344: #define IA6_DSTSIN6(ia)        (&((ia)->ia_dstaddr))
                    345: #define IFA_IN6(x)     (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
                    346: #define IFA_DSTIN6(x)  (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
1.2       itojun    347:
1.5       itojun    348: #define IFPR_IN6(x)    (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
1.2       itojun    349:
1.5       itojun    350: #ifdef _KERNEL
1.2       itojun    351: #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m)     (       \
                    352:        (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
                    353:        (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
                    354:        (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
                    355:        (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
1.5       itojun    356: #endif
1.2       itojun    357:
                    358: #define SIOCSIFADDR_IN6                 _IOW('i', 12, struct in6_ifreq)
                    359: #define SIOCGIFADDR_IN6                _IOWR('i', 33, struct in6_ifreq)
1.11      itojun    360:
                    361: #ifdef _KERNEL
                    362: /*
                    363:  * SIOCSxxx ioctls should be unused (see comments in in6.c), but
                    364:  * we do not shift numbers for binary compatibility.
                    365:  */
1.2       itojun    366: #define SIOCSIFDSTADDR_IN6      _IOW('i', 14, struct in6_ifreq)
1.11      itojun    367: #define SIOCSIFNETMASK_IN6      _IOW('i', 22, struct in6_ifreq)
1.15      itojun    368: #endif
1.11      itojun    369:
1.2       itojun    370: #define SIOCGIFDSTADDR_IN6     _IOWR('i', 34, struct in6_ifreq)
                    371: #define SIOCGIFNETMASK_IN6     _IOWR('i', 37, struct in6_ifreq)
                    372:
                    373: #define SIOCDIFADDR_IN6                 _IOW('i', 25, struct in6_ifreq)
                    374: #define SIOCAIFADDR_IN6                 _IOW('i', 26, struct in6_aliasreq)
                    375:
                    376: #define SIOCSIFPHYADDR_IN6       _IOW('i', 70, struct in6_aliasreq)
                    377: #define        SIOCGIFPSRCADDR_IN6     _IOWR('i', 71, struct in6_ifreq)
                    378: #define        SIOCGIFPDSTADDR_IN6     _IOWR('i', 72, struct in6_ifreq)
                    379:
                    380: #define SIOCGIFAFLAG_IN6       _IOWR('i', 73, struct in6_ifreq)
                    381:
                    382: #define SIOCGDRLST_IN6         _IOWR('i', 74, struct in6_drlist)
                    383: #define SIOCGPRLST_IN6         _IOWR('i', 75, struct in6_prlist)
                    384: #define SIOCGIFINFO_IN6                _IOWR('i', 76, struct in6_ndireq)
                    385: #define SIOCSNDFLUSH_IN6       _IOWR('i', 77, struct in6_ifreq)
                    386: #define SIOCGNBRINFO_IN6       _IOWR('i', 78, struct in6_nbrinfo)
                    387: #define SIOCSPFXFLUSH_IN6      _IOWR('i', 79, struct in6_ifreq)
                    388: #define SIOCSRTRFLUSH_IN6      _IOWR('i', 80, struct in6_ifreq)
                    389:
                    390: #define SIOCGIFALIFETIME_IN6   _IOWR('i', 81, struct in6_ifreq)
                    391: #define SIOCSIFALIFETIME_IN6   _IOWR('i', 82, struct in6_ifreq)
1.5       itojun    392: #define SIOCGIFSTAT_IN6                _IOWR('i', 83, struct in6_ifreq)
                    393: #define SIOCGIFSTAT_ICMP6      _IOWR('i', 84, struct in6_ifreq)
                    394:
                    395: #define SIOCSDEFIFACE_IN6      _IOWR('i', 85, struct in6_ndifreq)
                    396: #define SIOCGDEFIFACE_IN6      _IOWR('i', 86, struct in6_ndifreq)
1.16    ! itojun    397:
        !           398: #define SIOCSIFINFO_FLAGS      _IOWR('i', 87, struct in6_ndireq) /* XXX */
1.2       itojun    399:
                    400: #define SIOCSIFPREFIX_IN6      _IOW('i', 100, struct in6_prefixreq) /* set */
                    401: #define SIOCGIFPREFIX_IN6      _IOWR('i', 101, struct in6_prefixreq) /* get */
                    402: #define SIOCDIFPREFIX_IN6      _IOW('i', 102, struct in6_prefixreq) /* del */
                    403: #define SIOCAIFPREFIX_IN6      _IOW('i', 103, struct in6_rrenumreq) /* add */
                    404: #define SIOCCIFPREFIX_IN6      _IOW('i', 104, \
                    405:                                     struct in6_rrenumreq) /* change */
                    406: #define SIOCSGIFPREFIX_IN6     _IOW('i', 105, \
                    407:                                     struct in6_rrenumreq) /* set global */
                    408:
                    409: #define SIOCGETSGCNT_IN6       _IOWR('u', 106, \
                    410:                                      struct sioc_sg_req6) /* get s,g pkt cnt */
                    411: #define SIOCGETMIFCNT_IN6      _IOWR('u', 107, \
                    412:                                      struct sioc_mif_req6) /* get pkt cnt per if */
                    413:
                    414: #define IN6_IFF_ANYCAST                0x01    /* anycast address */
                    415: #define IN6_IFF_TENTATIVE      0x02    /* tentative address */
                    416: #define IN6_IFF_DUPLICATED     0x04    /* DAD detected duplicate */
                    417: #define IN6_IFF_DETACHED       0x08    /* may be detached from the link */
                    418: #define IN6_IFF_DEPRECATED     0x10    /* deprecated address */
                    419:
                    420: /* do not input/output */
                    421: #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
1.11      itojun    422:
                    423: #ifdef _KERNEL
                    424: #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b))
                    425: #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b))
                    426: #endif
1.2       itojun    427:
                    428: #ifdef _KERNEL
                    429: extern struct in6_ifaddr *in6_ifaddr;
1.5       itojun    430:
                    431: extern struct in6_ifstat **in6_ifstat;
                    432: extern size_t in6_ifstatmax;
                    433: extern struct icmp6stat icmp6stat;
                    434: extern struct icmp6_ifstat **icmp6_ifstat;
                    435: extern size_t icmp6_ifstatmax;
                    436: #define in6_ifstat_inc(ifp, tag) \
                    437: do {                                                           \
                    438:        if ((ifp) && (ifp)->if_index <= if_index                \
                    439:         && (ifp)->if_index < in6_ifstatmax                     \
                    440:         && in6_ifstat && in6_ifstat[(ifp)->if_index]) {        \
                    441:                in6_ifstat[(ifp)->if_index]->tag++;             \
                    442:        }                                                       \
                    443: } while (0)
                    444:
1.2       itojun    445: extern struct ifqueue ip6intrq;                /* IP6 packet input queue */
                    446: extern struct in6_addr zeroin6_addr;
                    447: extern u_char inet6ctlerrmap[];
                    448: extern unsigned long in6_maxmtu;
                    449:
                    450: /*
                    451:  * Macro for finding the internet address structure (in6_ifaddr) corresponding
                    452:  * to a given interface (ifnet structure).
                    453:  */
1.5       itojun    454:
1.2       itojun    455: #define IFP_TO_IA6(ifp, ia)                            \
                    456: /* struct ifnet *ifp; */                               \
                    457: /* struct in6_ifaddr *ia; */                           \
1.5       itojun    458: do {                                                                   \
                    459:        struct ifaddr *ifa;                                             \
1.6       itojun    460:        for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) {   \
1.5       itojun    461:                if (!ifa->ifa_addr)                                     \
                    462:                        continue;                                       \
                    463:                if (ifa->ifa_addr->sa_family == AF_INET6)               \
                    464:                        break;                                          \
                    465:        }                                                               \
                    466:        (ia) = (struct in6_ifaddr *)ifa;                                \
                    467: } while (0)
                    468:
1.2       itojun    469: #endif /* _KERNEL */
                    470:
                    471: /*
                    472:  * Multi-cast membership entry.  One for each group/ifp that a PCB
                    473:  * belongs to.
                    474:  */
                    475: struct in6_multi_mship {
                    476:        struct  in6_multi *i6mm_maddr;  /* Multicast address pointer */
                    477:        LIST_ENTRY(in6_multi_mship) i6mm_chain;  /* multicast options chain */
                    478: };
                    479:
                    480: struct in6_multi {
                    481:        LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
                    482:        struct  in6_addr in6m_addr;     /* IP6 multicast address */
                    483:        struct  ifnet *in6m_ifp;        /* back pointer to ifnet */
                    484:        struct  in6_ifaddr *in6m_ia;    /* back pointer to in6_ifaddr */
                    485:        u_int   in6m_refcount;          /* # membership claims by sockets */
                    486:        u_int   in6m_state;             /* state of the membership */
                    487:        u_int   in6m_timer;             /* MLD6 listener report timer */
                    488: };
                    489:
                    490: #ifdef _KERNEL
1.5       itojun    491:
1.2       itojun    492: /*
                    493:  * Structure used by macros below to remember position when stepping through
                    494:  * all of eht in6_multi records.
                    495:  */
                    496: struct in6_multistep {
                    497:        struct  in6_ifaddr *i_ia;
                    498:        struct  in6_multi *i_in6m;
                    499: };
                    500:
                    501: /*
                    502:  * Macros for looking up the in6_multi record for a given IP6 multicast
                    503:  * address on a given interface. If no matching record is found, "in6m"
                    504:  * returns NLL.
                    505:  */
                    506:
                    507: #define IN6_LOOKUP_MULTI(addr, ifp, in6m)                      \
                    508: /* struct in6_addr addr; */                                    \
                    509: /* struct ifnet *ifp; */                                       \
                    510: /* struct in6_multi *in6m; */                                  \
1.5       itojun    511: do {                                                           \
1.2       itojun    512:        register struct in6_ifaddr *ia;                         \
                    513:                                                                \
                    514:        IFP_TO_IA6((ifp), ia);                                  \
                    515:        if (ia == NULL)                                         \
                    516:                (in6m) = NULL;                                  \
                    517:        else                                                    \
                    518:                for ((in6m) = ia->ia6_multiaddrs.lh_first;      \
                    519:                     (in6m) != NULL &&                          \
                    520:                     !IN6_ARE_ADDR_EQUAL(&(in6m)->in6m_addr, &(addr));  \
                    521:                     (in6m) = in6m->in6m_entry.le_next)         \
                    522:                        continue;                               \
1.5       itojun    523: } while (0)
1.2       itojun    524:
                    525: /*
                    526:  * Macro to step through all of the in6_multi records, one at a time.
                    527:  * The current position is remembered in "step", which the caller must
                    528:  * provide.  IN6_FIRST_MULTI(), below, must be called to initialize "step"
                    529:  * and get the first record.  Both macros return a NULL "in6m" when there
                    530:  * are no remaining records.
                    531:  */
                    532: #define IN6_NEXT_MULTI(step, in6m)                                     \
                    533: /* struct in6_multistep step; */                                       \
                    534: /* struct in6_multi *in6m; */                                          \
1.5       itojun    535: do {                                                                   \
1.2       itojun    536:        if (((in6m) = (step).i_in6m) != NULL)                           \
                    537:                (step).i_in6m = (in6m)->in6m_entry.le_next;             \
                    538:        else                                                            \
                    539:                while ((step).i_ia != NULL) {                           \
                    540:                        (in6m) = (step).i_ia->ia6_multiaddrs.lh_first;  \
                    541:                        (step).i_ia = (step).i_ia->ia_next;             \
                    542:                        if ((in6m) != NULL) {                           \
                    543:                                (step).i_in6m = (in6m)->in6m_entry.le_next; \
                    544:                                break;                                  \
                    545:                        }                                               \
                    546:                }                                                       \
1.5       itojun    547: } while (0)
1.2       itojun    548:
                    549: #define IN6_FIRST_MULTI(step, in6m)            \
                    550: /* struct in6_multistep step; */               \
                    551: /* struct in6_multi *in6m */                   \
1.5       itojun    552: do {                                           \
1.2       itojun    553:        (step).i_ia = in6_ifaddr;               \
                    554:        (step).i_in6m = NULL;                   \
                    555:        IN6_NEXT_MULTI((step), (in6m));         \
1.5       itojun    556: } while (0)
                    557:
1.2       itojun    558: int    in6_ifinit __P((struct ifnet *,
                    559:                        struct in6_ifaddr *, struct sockaddr_in6 *, int));
                    560: struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *,
                    561:                                     int *));
                    562: void   in6_delmulti __P((struct in6_multi *));
                    563: void   in6_ifscrub __P((struct ifnet *, struct in6_ifaddr *));
1.5       itojun    564: extern int in6_ifindex2scopeid __P((int));
1.2       itojun    565: extern int in6_mask2len __P((struct in6_addr *));
                    566: extern void in6_len2mask __P((struct in6_addr *, int));
                    567: int    in6_control __P((struct socket *,
                    568:                         u_long, caddr_t, struct ifnet *, struct proc *));
1.7       thorpej   569: void   in6_purgeaddr __P((struct ifaddr *, struct ifnet *));
1.9       thorpej   570: void   in6_purgeif __P((struct ifnet *));
1.2       itojun    571: void   in6_savemkludge __P((struct in6_ifaddr *));
                    572: void   in6_setmaxmtu   __P((void));
                    573: void   in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *));
1.8       itojun    574: void   in6_purgemkludge __P((struct ifnet *));
1.12      itojun    575: struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int));
1.2       itojun    576: struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *,
                    577:                                             struct in6_addr *));
                    578: char   *ip6_sprintf __P((struct in6_addr *));
1.12      itojun    579: int    in6_addr2scopeid __P((struct ifnet *, struct in6_addr *));
1.2       itojun    580: int    in6_matchlen __P((struct in6_addr *, struct in6_addr *));
1.5       itojun    581: int    in6_are_prefix_equal __P((struct in6_addr *p1, struct in6_addr *p2,
                    582:                                  int len));
                    583: void   in6_prefixlen2mask __P((struct in6_addr *maskp, int len));
                    584: int    in6_prefix_ioctl __P((struct socket *so, u_long cmd, caddr_t data,
                    585:                              struct ifnet *ifp));
                    586: int    in6_prefix_add_ifid __P((int iilen, struct in6_ifaddr *ia));
                    587: void   in6_prefix_remove_ifid __P((int iilen, struct in6_ifaddr *ia));
1.10      itojun    588: void   in6_purgeprefix __P((struct ifnet *));
1.2       itojun    589: #endif /* _KERNEL */
                    590:
                    591: #endif /* _NETINET6_IN6_VAR_H_ */

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