in6_var.h revision 244272
1155192Srwatson/*- 2155192Srwatson * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3170407Srwatson * All rights reserved. 4155192Srwatson * 5155192Srwatson * Redistribution and use in source and binary forms, with or without 6155192Srwatson * modification, are permitted provided that the following conditions 7155192Srwatson * are met: 8155192Srwatson * 1. Redistributions of source code must retain the above copyright 9155192Srwatson * notice, this list of conditions and the following disclaimer. 10155192Srwatson * 2. Redistributions in binary form must reproduce the above copyright 11155192Srwatson * notice, this list of conditions and the following disclaimer in the 12155192Srwatson * documentation and/or other materials provided with the distribution. 13155192Srwatson * 3. Neither the name of the project nor the names of its contributors 14155192Srwatson * may be used to endorse or promote products derived from this software 15155192Srwatson * without specific prior written permission. 16155192Srwatson * 17155192Srwatson * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18155192Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19155192Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20155192Srwatson * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21155192Srwatson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22155192Srwatson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23155192Srwatson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24155192Srwatson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25155192Srwatson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26155192Srwatson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27155192Srwatson * SUCH DAMAGE. 28155192Srwatson * 29155192Srwatson * $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ 30155192Srwatson */ 31155192Srwatson 32155192Srwatson/*- 33155192Srwatson * Copyright (c) 1985, 1986, 1993 34155192Srwatson * The Regents of the University of California. All rights reserved. 35155192Srwatson * 36155192Srwatson * Redistribution and use in source and binary forms, with or without 37155192Srwatson * modification, are permitted provided that the following conditions 38155192Srwatson * are met: 39155192Srwatson * 1. Redistributions of source code must retain the above copyright 40155192Srwatson * notice, this list of conditions and the following disclaimer. 41155192Srwatson * 2. Redistributions in binary form must reproduce the above copyright 42155192Srwatson * notice, this list of conditions and the following disclaimer in the 43155192Srwatson * documentation and/or other materials provided with the distribution. 44155192Srwatson * 4. Neither the name of the University nor the names of its contributors 45164033Srwatson * may be used to endorse or promote products derived from this software 46155192Srwatson * without specific prior written permission. 47155192Srwatson * 48155192Srwatson * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49155192Srwatson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50155192Srwatson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51155192Srwatson * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52155192Srwatson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53155192Srwatson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54155192Srwatson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55155192Srwatson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56155192Srwatson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57155192Srwatson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58155192Srwatson * SUCH DAMAGE. 59155192Srwatson * 60155192Srwatson * @(#)in_var.h 8.1 (Berkeley) 6/10/93 61155406Srwatson * $FreeBSD: head/sys/netinet6/in6_var.h 244272 2012-12-15 20:04:24Z ae $ 62156291Srwatson */ 63155406Srwatson 64155406Srwatson#ifndef _NETINET6_IN6_VAR_H_ 65155192Srwatson#define _NETINET6_IN6_VAR_H_ 66155192Srwatson 67155192Srwatson#include <sys/tree.h> 68155192Srwatson 69155192Srwatson#ifdef _KERNEL 70155192Srwatson#include <sys/fnv_hash.h> 71155406Srwatson#include <sys/libkern.h> 72155406Srwatson#endif 73156888Srwatson 74170407Srwatson/* 75155192Srwatson * Interface address, Internet version. One of these structures 76155192Srwatson * is allocated for each interface with an Internet address. 77155192Srwatson * The ifaddr structure contains the protocol-independent part 78155192Srwatson * of the structure and is assumed to be first. 79155192Srwatson */ 80170196Srwatson 81170196Srwatson/* 82170196Srwatson * pltime/vltime are just for future reference (required to implements 2 83155192Srwatson * hour rule for hosts). they should never be modified by nd6_timeout or 84155192Srwatson * anywhere else. 85156889Srwatson * userland -> kernel: accept pltime/vltime 86156889Srwatson * kernel -> userland: throw up everything 87155192Srwatson * in kernel: modify preferred/expire only 88155192Srwatson */ 89162176Srwatsonstruct in6_addrlifetime { 90162176Srwatson time_t ia6t_expire; /* valid lifetime expiration time */ 91155192Srwatson time_t ia6t_preferred; /* preferred lifetime expiration time */ 92156889Srwatson u_int32_t ia6t_vltime; /* valid lifetime */ 93156889Srwatson u_int32_t ia6t_pltime; /* prefix lifetime */ 94161813Swsalamon}; 95161813Swsalamon 96155192Srwatsonstruct nd_ifinfo; 97155192Srwatsonstruct scope6_id; 98155192Srwatsonstruct lltable; 99155192Srwatsonstruct mld_ifinfo; 100156889Srwatson 101155192Srwatsonstruct in6_ifextra { 102155192Srwatson struct in6_ifstat *in6_ifstat; 103156889Srwatson struct icmp6_ifstat *icmp6_ifstat; 104155192Srwatson struct nd_ifinfo *nd_ifinfo; 105156889Srwatson struct scope6_id *scope6_id; 106155192Srwatson struct lltable *lltable; 107155192Srwatson struct mld_ifinfo *mld_ifinfo; 108155192Srwatson}; 109155192Srwatson 110156889Srwatson#define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable) 111155192Srwatson 112155192Srwatsonstruct in6_ifaddr { 113155192Srwatson struct ifaddr ia_ifa; /* protocol-independent info */ 114155192Srwatson#define ia_ifp ia_ifa.ifa_ifp 115155192Srwatson#define ia_flags ia_ifa.ifa_flags 116156889Srwatson struct sockaddr_in6 ia_addr; /* interface address */ 117155192Srwatson struct sockaddr_in6 ia_net; /* network number of interface */ 118155192Srwatson struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ 119170196Srwatson struct sockaddr_in6 ia_prefixmask; /* prefix mask */ 120170196Srwatson u_int32_t ia_plen; /* prefix length */ 121170196Srwatson TAILQ_ENTRY(in6_ifaddr) ia_link; /* list of IPv6 addresses */ 122170196Srwatson int ia6_flags; 123170196Srwatson 124170196Srwatson struct in6_addrlifetime ia6_lifetime; 125155192Srwatson time_t ia6_createtime; /* the creation time of this address, which is 126156889Srwatson * currently used for temporary addresses only. 127156889Srwatson */ 128156889Srwatson time_t ia6_updatetime; 129155192Srwatson 130155192Srwatson /* back pointer to the ND prefix (for autoconfigured addresses only) */ 131155192Srwatson struct nd_prefix *ia6_ndpr; 132155192Srwatson 133156889Srwatson /* multicast addresses joined from the kernel */ 134155192Srwatson LIST_HEAD(, in6_multi_mship) ia6_memberships; 135155192Srwatson /* entry in bucket of inet6 addresses */ 136170196Srwatson LIST_ENTRY(in6_ifaddr) ia6_hash; 137170196Srwatson}; 138155192Srwatson 139159261Srwatson/* List of in6_ifaddr's. */ 140155192SrwatsonTAILQ_HEAD(in6_ifaddrhead, in6_ifaddr); 141155192SrwatsonLIST_HEAD(in6_ifaddrlisthead, in6_ifaddr); 142159261Srwatson 143159261Srwatson/* control structure to manage address selection policy */ 144159261Srwatsonstruct in6_addrpolicy { 145155192Srwatson struct sockaddr_in6 addr; /* prefix address */ 146159261Srwatson struct sockaddr_in6 addrmask; /* prefix mask */ 147155192Srwatson int preced; /* precedence */ 148156889Srwatson int label; /* matching label */ 149156889Srwatson u_quad_t use; /* statistics */ 150170196Srwatson}; 151170196Srwatson 152155192Srwatson/* 153156889Srwatson * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). 154155192Srwatson */ 155155192Srwatsonstruct in6_ifstat { 156155406Srwatson u_quad_t ifs6_in_receive; /* # of total input datagram */ 157155192Srwatson u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ 158155406Srwatson u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ 159155406Srwatson u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ 160155406Srwatson u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ 161155406Srwatson u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ 162155406Srwatson /* NOTE: increment on final dst if */ 163155406Srwatson u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ 164155406Srwatson u_quad_t ifs6_in_discard; /* # of discarded datagrams */ 165155406Srwatson /* NOTE: fragment timeout is not here */ 166155406Srwatson u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ 167155406Srwatson /* NOTE: increment on final dst if */ 168155406Srwatson u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ 169155406Srwatson /* NOTE: increment on outgoing if */ 170155406Srwatson u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ 171155406Srwatson /* NOTE: does not include forwrads */ 172155406Srwatson u_quad_t ifs6_out_discard; /* # of discarded datagrams */ 173155406Srwatson u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ 174155406Srwatson u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ 175155406Srwatson u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ 176155406Srwatson /* NOTE: this is # after fragment */ 177155406Srwatson u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ 178155406Srwatson /* NOTE: increment on final dst if */ 179170407Srwatson u_quad_t ifs6_reass_ok; /* # of reassembled packets */ 180170407Srwatson /* NOTE: this is # after reass */ 181155406Srwatson /* NOTE: increment on final dst if */ 182170407Srwatson u_quad_t ifs6_reass_fail; /* # of reass failures */ 183170407Srwatson /* NOTE: may not be packet count */ 184155406Srwatson /* NOTE: increment on final dst if */ 185155406Srwatson u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ 186155406Srwatson u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ 187155192Srwatson}; 188155406Srwatson 189155192Srwatson/* 190155406Srwatson * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. 191155192Srwatson * XXX: I'm not sure if this file is the right place for this structure... 192155406Srwatson */ 193155406Srwatsonstruct icmp6_ifstat { 194155406Srwatson /* 195155406Srwatson * Input statistics 196155192Srwatson */ 197155406Srwatson /* ipv6IfIcmpInMsgs, total # of input messages */ 198155192Srwatson u_quad_t ifs6_in_msg; 199155406Srwatson /* ipv6IfIcmpInErrors, # of input error messages */ 200155192Srwatson u_quad_t ifs6_in_error; 201155406Srwatson /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ 202155192Srwatson u_quad_t ifs6_in_dstunreach; 203161813Swsalamon /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ 204161813Swsalamon u_quad_t ifs6_in_adminprohib; 205161813Swsalamon /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ 206161813Swsalamon u_quad_t ifs6_in_timeexceed; 207155192Srwatson /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ 208155192Srwatson u_quad_t ifs6_in_paramprob; 209155192Srwatson /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ 210155192Srwatson u_quad_t ifs6_in_pkttoobig; 211155192Srwatson /* ipv6IfIcmpInEchos, # of input echo requests */ 212155192Srwatson u_quad_t ifs6_in_echo; 213155192Srwatson /* ipv6IfIcmpInEchoReplies, # of input echo replies */ 214155192Srwatson u_quad_t ifs6_in_echoreply; 215155192Srwatson /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ 216155192Srwatson u_quad_t ifs6_in_routersolicit; 217155192Srwatson /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ 218155192Srwatson u_quad_t ifs6_in_routeradvert; 219155192Srwatson /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ 220155192Srwatson u_quad_t ifs6_in_neighborsolicit; 221155192Srwatson /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ 222155192Srwatson u_quad_t ifs6_in_neighboradvert; 223155192Srwatson /* ipv6IfIcmpInRedirects, # of input redirects */ 224161813Swsalamon u_quad_t ifs6_in_redirect; 225161813Swsalamon /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ 226155192Srwatson u_quad_t ifs6_in_mldquery; 227170196Srwatson /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ 228156889Srwatson u_quad_t ifs6_in_mldreport; 229155192Srwatson /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ 230155192Srwatson u_quad_t ifs6_in_mlddone; 231155192Srwatson 232155192Srwatson /* 233155192Srwatson * Output statistics. We should solve unresolved routing problem... 234155192Srwatson */ 235155192Srwatson /* ipv6IfIcmpOutMsgs, total # of output messages */ 236155192Srwatson u_quad_t ifs6_out_msg; 237155192Srwatson /* ipv6IfIcmpOutErrors, # of output error messages */ 238155192Srwatson u_quad_t ifs6_out_error; 239155192Srwatson /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ 240155192Srwatson u_quad_t ifs6_out_dstunreach; 241159261Srwatson /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ 242159261Srwatson u_quad_t ifs6_out_adminprohib; 243155192Srwatson /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ 244155192Srwatson u_quad_t ifs6_out_timeexceed; 245159266Srwatson /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ 246155406Srwatson u_quad_t ifs6_out_paramprob; 247155406Srwatson /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ 248155406Srwatson u_quad_t ifs6_out_pkttoobig; 249155192Srwatson /* ipv6IfIcmpOutEchos, # of output echo requests */ 250155192Srwatson u_quad_t ifs6_out_echo; 251155192Srwatson /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ 252155192Srwatson u_quad_t ifs6_out_echoreply; 253155192Srwatson /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ 254155192Srwatson u_quad_t ifs6_out_routersolicit; 255155192Srwatson /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ 256155192Srwatson u_quad_t ifs6_out_routeradvert; 257155192Srwatson /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ 258156888Srwatson u_quad_t ifs6_out_neighborsolicit; 259156888Srwatson /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 260155192Srwatson u_quad_t ifs6_out_neighboradvert; 261155192Srwatson /* ipv6IfIcmpOutRedirects, # of output redirects */ 262155192Srwatson u_quad_t ifs6_out_redirect; 263155192Srwatson /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ 264155192Srwatson u_quad_t ifs6_out_mldquery; 265155192Srwatson /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ 266155192Srwatson u_quad_t ifs6_out_mldreport; 267155192Srwatson /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ 268155192Srwatson u_quad_t ifs6_out_mlddone; 269155192Srwatson}; 270155192Srwatson 271155192Srwatsonstruct in6_ifreq { 272155192Srwatson char ifr_name[IFNAMSIZ]; 273155192Srwatson union { 274155192Srwatson struct sockaddr_in6 ifru_addr; 275155192Srwatson struct sockaddr_in6 ifru_dstaddr; 276155192Srwatson int ifru_flags; 277155192Srwatson int ifru_flags6; 278155192Srwatson int ifru_metric; 279169896Srwatson caddr_t ifru_data; 280155192Srwatson struct in6_addrlifetime ifru_lifetime; 281155192Srwatson struct in6_ifstat ifru_stat; 282155192Srwatson struct icmp6_ifstat ifru_icmp6stat; 283155192Srwatson u_int32_t ifru_scope_id[16]; 284155192Srwatson } ifr_ifru; 285155192Srwatson}; 286155192Srwatson 287155192Srwatsonstruct in6_aliasreq { 288155192Srwatson char ifra_name[IFNAMSIZ]; 289155192Srwatson struct sockaddr_in6 ifra_addr; 290155192Srwatson struct sockaddr_in6 ifra_dstaddr; 291155192Srwatson struct sockaddr_in6 ifra_prefixmask; 292155192Srwatson int ifra_flags; 293155192Srwatson struct in6_addrlifetime ifra_lifetime; 294155192Srwatson int ifra_vhid; 295155192Srwatson}; 296155192Srwatson 297155192Srwatson/* pre-10.x compat */ 298155192Srwatsonstruct oin6_aliasreq { 299155192Srwatson char ifra_name[IFNAMSIZ]; 300155406Srwatson struct sockaddr_in6 ifra_addr; 301155406Srwatson struct sockaddr_in6 ifra_dstaddr; 302155406Srwatson struct sockaddr_in6 ifra_prefixmask; 303155406Srwatson int ifra_flags; 304155406Srwatson struct in6_addrlifetime ifra_lifetime; 305155192Srwatson}; 306155192Srwatson 307165604Srwatson/* prefix type macro */ 308165604Srwatson#define IN6_PREFIX_ND 1 309165604Srwatson#define IN6_PREFIX_RR 2 310155192Srwatson 311155406Srwatson/* 312155406Srwatson * prefix related flags passed between kernel(NDP related part) and 313155192Srwatson * user land command(ifconfig) and daemon(rtadvd). 314155192Srwatson */ 315155192Srwatsonstruct in6_prflags { 316155192Srwatson struct prf_ra { 317155192Srwatson u_char onlink : 1; 318155192Srwatson u_char autonomous : 1; 319155192Srwatson u_char reserved : 6; 320155192Srwatson } prf_ra; 321156888Srwatson u_char prf_reserved1; 322156888Srwatson u_short prf_reserved2; 323156888Srwatson /* want to put this on 4byte offset */ 324156888Srwatson struct prf_rr { 325156888Srwatson u_char decrvalid : 1; 326156888Srwatson u_char decrprefd : 1; 327156888Srwatson u_char reserved : 6; 328155192Srwatson } prf_rr; 329155192Srwatson u_char prf_reserved3; 330155192Srwatson u_short prf_reserved4; 331159269Srwatson}; 332159269Srwatson 333159269Srwatsonstruct in6_prefixreq { 334155192Srwatson char ipr_name[IFNAMSIZ]; 335155192Srwatson u_char ipr_origin; 336155192Srwatson u_char ipr_plen; 337155192Srwatson u_int32_t ipr_vltime; 338155192Srwatson u_int32_t ipr_pltime; 339155192Srwatson struct in6_prflags ipr_flags; 340155192Srwatson struct sockaddr_in6 ipr_prefix; 341170196Srwatson}; 342170196Srwatson 343155192Srwatson#define PR_ORIG_RA 0 344155192Srwatson#define PR_ORIG_RR 1 345155192Srwatson#define PR_ORIG_STATIC 2 346155192Srwatson#define PR_ORIG_KERNEL 3 347155192Srwatson 348155192Srwatson#define ipr_raf_onlink ipr_flags.prf_ra.onlink 349155192Srwatson#define ipr_raf_auto ipr_flags.prf_ra.autonomous 350156889Srwatson 351155192Srwatson#define ipr_statef_onlink ipr_flags.prf_state.onlink 352155192Srwatson 353155192Srwatson#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid 354155192Srwatson#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd 355155192Srwatson 356155192Srwatsonstruct in6_rrenumreq { 357155192Srwatson char irr_name[IFNAMSIZ]; 358170196Srwatson u_char irr_origin; 359170196Srwatson u_char irr_m_len; /* match len for matchprefix */ 360170196Srwatson u_char irr_m_minlen; /* minlen for matching prefix */ 361170196Srwatson u_char irr_m_maxlen; /* maxlen for matching prefix */ 362155192Srwatson u_char irr_u_uselen; /* uselen for adding prefix */ 363155192Srwatson u_char irr_u_keeplen; /* keeplen from matching prefix */ 364155192Srwatson struct irr_raflagmask { 365155192Srwatson u_char onlink : 1; 366155192Srwatson u_char autonomous : 1; 367155192Srwatson u_char reserved : 6; 368155192Srwatson } irr_raflagmask; 369155192Srwatson u_int32_t irr_vltime; 370155192Srwatson u_int32_t irr_pltime; 371155192Srwatson struct in6_prflags irr_flags; 372155192Srwatson struct sockaddr_in6 irr_matchprefix; 373155192Srwatson struct sockaddr_in6 irr_useprefix; 374155192Srwatson}; 375155192Srwatson 376155192Srwatson#define irr_raf_mask_onlink irr_raflagmask.onlink 377155192Srwatson#define irr_raf_mask_auto irr_raflagmask.autonomous 378159269Srwatson#define irr_raf_mask_reserved irr_raflagmask.reserved 379159269Srwatson 380159269Srwatson#define irr_raf_onlink irr_flags.prf_ra.onlink 381155192Srwatson#define irr_raf_auto irr_flags.prf_ra.autonomous 382159269Srwatson 383159269Srwatson#define irr_statef_onlink irr_flags.prf_state.onlink 384159269Srwatson 385159269Srwatson#define irr_rrf irr_flags.prf_rr 386159269Srwatson#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid 387159269Srwatson#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd 388162380Scsjp 389162380Scsjp/* 390155192Srwatson * Given a pointer to an in6_ifaddr (ifaddr), 391155192Srwatson * return a pointer to the addr as a sockaddr_in6 392155192Srwatson */ 393159275Srwatson#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) 394155192Srwatson#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) 395155192Srwatson#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) 396155192Srwatson#define IA6_SIN6(ia) (&((ia)->ia_addr)) 397155192Srwatson#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) 398155192Srwatson#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) 399155192Srwatson#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) 400155192Srwatson 401170196Srwatson#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) 402170196Srwatson 403155192Srwatson#ifdef _KERNEL 404155192Srwatson#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ 405155192Srwatson (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ 406155192Srwatson (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ 407155192Srwatson (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ 408155192Srwatson (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 ) 409155192Srwatson#endif 410155192Srwatson 411155192Srwatson#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) 412155192Srwatson#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) 413155192Srwatson 414170196Srwatson#ifdef _KERNEL 415155192Srwatson/* 416155192Srwatson * SIOCSxxx ioctls should be unused (see comments in in6.c), but 417155192Srwatson * we do not shift numbers for binary compatibility. 418159275Srwatson */ 419155192Srwatson#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) 420155192Srwatson#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) 421156889Srwatson#endif 422155192Srwatson 423170182Srwatson#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) 424170182Srwatson#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) 425155192Srwatson 426170182Srwatson#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) 427159261Srwatson#define OSIOCAIFADDR_IN6 _IOW('i', 26, struct oin6_aliasreq) 428155192Srwatson#define SIOCAIFADDR_IN6 _IOW('i', 27, struct in6_aliasreq) 429155192Srwatson 430155192Srwatson#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) 431155192Srwatson#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) 432159261Srwatson#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) 433155192Srwatson 434155192Srwatson#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) 435155192Srwatson 436155192Srwatson#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) 437155192Srwatson#ifdef _KERNEL 438155192Srwatson/* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */ 439155192Srwatson#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) 440155192Srwatson#endif 441155192Srwatson#ifdef _KERNEL 442155192Srwatson#define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) 443155192Srwatson#endif 444155192Srwatson#define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) 445155192Srwatson#define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) 446159269Srwatson#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) 447159269Srwatson#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) 448159269Srwatson#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) 449155192Srwatson#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) 450155192Srwatson 451155192Srwatson#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) 452155192Srwatson#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) 453155192Srwatson#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) 454155192Srwatson#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) 455155192Srwatson 456155192Srwatson#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) 457162950Srwatson#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) 458162950Srwatson 459155192Srwatson#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ 460155192Srwatson 461155192Srwatson#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) 462155192Srwatson#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) 463159269Srwatson#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) 464159269Srwatson 465155192Srwatson#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ 466155192Srwatson#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ 467155192Srwatson#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ 468155192Srwatson#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ 469155192Srwatson#define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ 470155192Srwatson struct in6_rrenumreq) /* change */ 471170407Srwatson#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ 472159269Srwatson struct in6_rrenumreq) /* set global */ 473155192Srwatson 474155192Srwatson#define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ 475170407Srwatson struct sioc_sg_req6) /* get s,g pkt cnt */ 476156889Srwatson#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ 477155192Srwatson struct sioc_mif_req6) /* get pkt cnt per if */ 478170196Srwatson 479170196Srwatson#define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) 480155192Srwatson#define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) 481159269Srwatson 482159269Srwatson#define IN6_IFF_ANYCAST 0x01 /* anycast address */ 483155192Srwatson#define IN6_IFF_TENTATIVE 0x02 /* tentative address */ 484155192Srwatson#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ 485155192Srwatson#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ 486155192Srwatson#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ 487155192Srwatson#define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address 488165604Srwatson * (used only at first SIOC* call) 489155192Srwatson */ 490155192Srwatson#define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ 491155192Srwatson#define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ 492155192Srwatson#define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. 493155192Srwatson * XXX: this should be temporary. 494155192Srwatson */ 495164033Srwatson 496164033Srwatson/* do not input/output */ 497155192Srwatson#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) 498155192Srwatson 499155192Srwatson#ifdef _KERNEL 500159269Srwatson#define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) 501159269Srwatson#define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) 502159269Srwatson#endif 503159269Srwatson 504155192Srwatson#ifdef _KERNEL 505155192SrwatsonVNET_DECLARE(struct in6_ifaddrhead, in6_ifaddrhead); 506155192SrwatsonVNET_DECLARE(struct in6_ifaddrlisthead *, in6_ifaddrhashtbl); 507155192SrwatsonVNET_DECLARE(u_long, in6_ifaddrhmask); 508155192Srwatson#define V_in6_ifaddrhead VNET(in6_ifaddrhead) 509155192Srwatson#define V_in6_ifaddrhashtbl VNET(in6_ifaddrhashtbl) 510155192Srwatson#define V_in6_ifaddrhmask VNET(in6_ifaddrhmask) 511155192Srwatson 512155192Srwatson#define IN6ADDR_NHASH_LOG2 8 513155192Srwatson#define IN6ADDR_NHASH (1 << IN6ADDR_NHASH_LOG2) 514155192Srwatson#define IN6ADDR_HASHVAL(x) (in6_addrhash(x)) 515155192Srwatson#define IN6ADDR_HASH(x) \ 516155192Srwatson (&V_in6_ifaddrhashtbl[IN6ADDR_HASHVAL(x) & V_in6_ifaddrhmask]) 517155192Srwatson 518170196Srwatsonstatic __inline uint32_t 519170196Srwatsonin6_addrhash(struct in6_addr *in6) 520170196Srwatson{ 521170196Srwatson uint32_t x; 522170196Srwatson 523155192Srwatson x = in6->s6_addr32[0] ^ in6->s6_addr32[1] ^ in6->s6_addr32[2] ^ 524155192Srwatson in6->s6_addr32[3]; 525155192Srwatson return (fnv_32_buf(&x, sizeof(x), FNV1_32_INIT)); 526155192Srwatson} 527155192Srwatson 528155192Srwatsonextern struct rwlock in6_ifaddr_lock; 529155192Srwatson#define IN6_IFADDR_LOCK_ASSERT( ) rw_assert(&in6_ifaddr_lock, RA_LOCKED) 530155192Srwatson#define IN6_IFADDR_RLOCK() rw_rlock(&in6_ifaddr_lock) 531155192Srwatson#define IN6_IFADDR_RLOCK_ASSERT() rw_assert(&in6_ifaddr_lock, RA_RLOCKED) 532155192Srwatson#define IN6_IFADDR_RUNLOCK() rw_runlock(&in6_ifaddr_lock) 533155192Srwatson#define IN6_IFADDR_WLOCK() rw_wlock(&in6_ifaddr_lock) 534170407Srwatson#define IN6_IFADDR_WLOCK_ASSERT() rw_assert(&in6_ifaddr_lock, RA_WLOCKED) 535155192Srwatson#define IN6_IFADDR_WUNLOCK() rw_wunlock(&in6_ifaddr_lock) 536155192Srwatson 537170407SrwatsonVNET_DECLARE(struct icmp6stat, icmp6stat); 538155192Srwatson#define V_icmp6stat VNET(icmp6stat) 539155192Srwatson#define in6_ifstat_inc(ifp, tag) \ 540170407Srwatsondo { \ 541155192Srwatson if (ifp) \ 542155192Srwatson ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ 543155195Srwatson} while (/*CONSTCOND*/ 0) 544170407Srwatson 545155195Srwatsonextern struct in6_addr zeroin6_addr; 546155195Srwatsonextern u_char inet6ctlerrmap[]; 547170407SrwatsonVNET_DECLARE(unsigned long, in6_maxmtu); 548155195Srwatson#define V_in6_maxmtu VNET(in6_maxmtu) 549155195Srwatson#endif /* _KERNEL */ 550170407Srwatson 551155195Srwatson/* 552155195Srwatson * IPv6 multicast MLD-layer source entry. 553155353Srwatson */ 554170407Srwatsonstruct ip6_msource { 555155353Srwatson RB_ENTRY(ip6_msource) im6s_link; /* RB tree links */ 556155353Srwatson struct in6_addr im6s_addr; 557170407Srwatson struct im6s_st { 558155353Srwatson uint16_t ex; /* # of exclusive members */ 559155353Srwatson uint16_t in; /* # of inclusive members */ 560170407Srwatson } im6s_st[2]; /* state at t0, t1 */ 561155353Srwatson uint8_t im6s_stp; /* pending query */ 562155353Srwatson}; 563156889SrwatsonRB_HEAD(ip6_msource_tree, ip6_msource); 564162950Srwatson 565162950Srwatson/* 566155192Srwatson * IPv6 multicast PCB-layer source entry. 567155192Srwatson * 568170407Srwatson * NOTE: overlapping use of struct ip6_msource fields at start. 569155192Srwatson */ 570155192Srwatsonstruct in6_msource { 571155192Srwatson RB_ENTRY(ip6_msource) im6s_link; /* Common field */ 572155192Srwatson struct in6_addr im6s_addr; /* Common field */ 573155192Srwatson uint8_t im6sl_st[2]; /* state before/at commit */ 574170407Srwatson}; 575155192Srwatson 576155192Srwatson#ifdef _KERNEL 577170407Srwatson/* 578155192Srwatson * IPv6 source tree comparison function. 579155192Srwatson * 580156889Srwatson * An ordered predicate is necessary; bcmp() is not documented to return 581170407Srwatson * an indication of order, memcmp() is, and is an ISO C99 requirement. 582155192Srwatson */ 583155192Srwatsonstatic __inline int 584170407Srwatsonip6_msource_cmp(const struct ip6_msource *a, const struct ip6_msource *b) 585155192Srwatson{ 586155192Srwatson 587170407Srwatson return (memcmp(&a->im6s_addr, &b->im6s_addr, sizeof(struct in6_addr))); 588155192Srwatson} 589155192SrwatsonRB_PROTOTYPE(ip6_msource_tree, ip6_msource, im6s_link, ip6_msource_cmp); 590155192Srwatson#endif /* _KERNEL */ 591170407Srwatson 592155192Srwatson/* 593155192Srwatson * IPv6 multicast PCB-layer group filter descriptor. 594170407Srwatson */ 595155192Srwatsonstruct in6_mfilter { 596155192Srwatson struct ip6_msource_tree im6f_sources; /* source list for (S,G) */ 597170407Srwatson u_long im6f_nsrc; /* # of source entries */ 598155192Srwatson uint8_t im6f_st[2]; /* state before/at commit */ 599}; 600 601/* 602 * Legacy KAME IPv6 multicast membership descriptor. 603 */ 604struct in6_multi_mship { 605 struct in6_multi *i6mm_maddr; 606 LIST_ENTRY(in6_multi_mship) i6mm_chain; 607}; 608 609/* 610 * IPv6 group descriptor. 611 * 612 * For every entry on an ifnet's if_multiaddrs list which represents 613 * an IP multicast group, there is one of these structures. 614 * 615 * If any source filters are present, then a node will exist in the RB-tree 616 * to permit fast lookup by source whenever an operation takes place. 617 * This permits pre-order traversal when we issue reports. 618 * Source filter trees are kept separately from the socket layer to 619 * greatly simplify locking. 620 * 621 * When MLDv2 is active, in6m_timer is the response to group query timer. 622 * The state-change timer in6m_sctimer is separate; whenever state changes 623 * for the group the state change record is generated and transmitted, 624 * and kept if retransmissions are necessary. 625 * 626 * FUTURE: in6m_link is now only used when groups are being purged 627 * on a detaching ifnet. It could be demoted to a SLIST_ENTRY, but 628 * because it is at the very start of the struct, we can't do this 629 * w/o breaking the ABI for ifmcstat. 630 */ 631struct in6_multi { 632 LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ 633 struct in6_addr in6m_addr; /* IPv6 multicast address */ 634 struct ifnet *in6m_ifp; /* back pointer to ifnet */ 635 struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ 636 u_int in6m_refcount; /* reference count */ 637 u_int in6m_state; /* state of the membership */ 638 u_int in6m_timer; /* MLD6 listener report timer */ 639 640 /* New fields for MLDv2 follow. */ 641 struct mld_ifinfo *in6m_mli; /* MLD info */ 642 SLIST_ENTRY(in6_multi) in6m_nrele; /* to-be-released by MLD */ 643 struct ip6_msource_tree in6m_srcs; /* tree of sources */ 644 u_long in6m_nsrc; /* # of tree entries */ 645 646 struct ifqueue in6m_scq; /* queue of pending 647 * state-change packets */ 648 struct timeval in6m_lastgsrtv; /* last G-S-R query */ 649 uint16_t in6m_sctimer; /* state-change timer */ 650 uint16_t in6m_scrv; /* state-change rexmit count */ 651 652 /* 653 * SSM state counters which track state at T0 (the time the last 654 * state-change report's RV timer went to zero) and T1 655 * (time of pending report, i.e. now). 656 * Used for computing MLDv2 state-change reports. Several refcounts 657 * are maintained here to optimize for common use-cases. 658 */ 659 struct in6m_st { 660 uint16_t iss_fmode; /* MLD filter mode */ 661 uint16_t iss_asm; /* # of ASM listeners */ 662 uint16_t iss_ex; /* # of exclusive members */ 663 uint16_t iss_in; /* # of inclusive members */ 664 uint16_t iss_rec; /* # of recorded sources */ 665 } in6m_st[2]; /* state at t0, t1 */ 666}; 667 668/* 669 * Helper function to derive the filter mode on a source entry 670 * from its internal counters. Predicates are: 671 * A source is only excluded if all listeners exclude it. 672 * A source is only included if no listeners exclude it, 673 * and at least one listener includes it. 674 * May be used by ifmcstat(8). 675 */ 676static __inline uint8_t 677im6s_get_mode(const struct in6_multi *inm, const struct ip6_msource *ims, 678 uint8_t t) 679{ 680 681 t = !!t; 682 if (inm->in6m_st[t].iss_ex > 0 && 683 inm->in6m_st[t].iss_ex == ims->im6s_st[t].ex) 684 return (MCAST_EXCLUDE); 685 else if (ims->im6s_st[t].in > 0 && ims->im6s_st[t].ex == 0) 686 return (MCAST_INCLUDE); 687 return (MCAST_UNDEFINED); 688} 689 690#ifdef _KERNEL 691 692/* 693 * Lock macros for IPv6 layer multicast address lists. IPv6 lock goes 694 * before link layer multicast locks in the lock order. In most cases, 695 * consumers of IN_*_MULTI() macros should acquire the locks before 696 * calling them; users of the in_{add,del}multi() functions should not. 697 */ 698extern struct mtx in6_multi_mtx; 699#define IN6_MULTI_LOCK() mtx_lock(&in6_multi_mtx) 700#define IN6_MULTI_UNLOCK() mtx_unlock(&in6_multi_mtx) 701#define IN6_MULTI_LOCK_ASSERT() mtx_assert(&in6_multi_mtx, MA_OWNED) 702#define IN6_MULTI_UNLOCK_ASSERT() mtx_assert(&in6_multi_mtx, MA_NOTOWNED) 703 704/* 705 * Look up an in6_multi record for an IPv6 multicast address 706 * on the interface ifp. 707 * If no record found, return NULL. 708 * 709 * SMPng: The IN6_MULTI_LOCK and IF_ADDR_LOCK on ifp must be held. 710 */ 711static __inline struct in6_multi * 712in6m_lookup_locked(struct ifnet *ifp, const struct in6_addr *mcaddr) 713{ 714 struct ifmultiaddr *ifma; 715 struct in6_multi *inm; 716 717 IN6_MULTI_LOCK_ASSERT(); 718 IF_ADDR_LOCK_ASSERT(ifp); 719 720 inm = NULL; 721 TAILQ_FOREACH(ifma, &((ifp)->if_multiaddrs), ifma_link) { 722 if (ifma->ifma_addr->sa_family == AF_INET6) { 723 inm = (struct in6_multi *)ifma->ifma_protospec; 724 if (IN6_ARE_ADDR_EQUAL(&inm->in6m_addr, mcaddr)) 725 break; 726 inm = NULL; 727 } 728 } 729 return (inm); 730} 731 732/* 733 * Wrapper for in6m_lookup_locked(). 734 * 735 * SMPng: Assumes that neithr the IN6_MULTI_LOCK() or IF_ADDR_LOCK() are held. 736 */ 737static __inline struct in6_multi * 738in6m_lookup(struct ifnet *ifp, const struct in6_addr *mcaddr) 739{ 740 struct in6_multi *inm; 741 742 IN6_MULTI_LOCK(); 743 IF_ADDR_RLOCK(ifp); 744 inm = in6m_lookup_locked(ifp, mcaddr); 745 IF_ADDR_RUNLOCK(ifp); 746 IN6_MULTI_UNLOCK(); 747 748 return (inm); 749} 750 751/* Acquire an in6_multi record. */ 752static __inline void 753in6m_acquire_locked(struct in6_multi *inm) 754{ 755 756 IN6_MULTI_LOCK_ASSERT(); 757 ++inm->in6m_refcount; 758} 759 760struct ip6_moptions; 761struct sockopt; 762 763/* Multicast KPIs. */ 764int im6o_mc_filter(const struct ip6_moptions *, const struct ifnet *, 765 const struct sockaddr *, const struct sockaddr *); 766int in6_mc_join(struct ifnet *, const struct in6_addr *, 767 struct in6_mfilter *, struct in6_multi **, int); 768int in6_mc_join_locked(struct ifnet *, const struct in6_addr *, 769 struct in6_mfilter *, struct in6_multi **, int); 770int in6_mc_leave(struct in6_multi *, struct in6_mfilter *); 771int in6_mc_leave_locked(struct in6_multi *, struct in6_mfilter *); 772void in6m_clear_recorded(struct in6_multi *); 773void in6m_commit(struct in6_multi *); 774void in6m_print(const struct in6_multi *); 775int in6m_record_source(struct in6_multi *, const struct in6_addr *); 776void in6m_release_locked(struct in6_multi *); 777void ip6_freemoptions(struct ip6_moptions *); 778int ip6_getmoptions(struct inpcb *, struct sockopt *); 779int ip6_setmoptions(struct inpcb *, struct sockopt *); 780 781/* Legacy KAME multicast KPIs. */ 782struct in6_multi_mship * 783 in6_joingroup(struct ifnet *, struct in6_addr *, int *, int); 784int in6_leavegroup(struct in6_multi_mship *); 785 786/* flags to in6_update_ifa */ 787#define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */ 788 789int in6_mask2len(struct in6_addr *, u_char *); 790int in6_control(struct socket *, u_long, caddr_t, struct ifnet *, 791 struct thread *); 792int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, 793 struct in6_ifaddr *, int); 794void in6_purgeaddr(struct ifaddr *); 795int in6if_do_dad(struct ifnet *); 796void in6_purgeif(struct ifnet *); 797void in6_savemkludge(struct in6_ifaddr *); 798void *in6_domifattach(struct ifnet *); 799void in6_domifdetach(struct ifnet *, void *); 800void in6_setmaxmtu(void); 801int in6_if2idlen(struct ifnet *); 802struct in6_ifaddr *in6ifa_ifpforlinklocal(struct ifnet *, int); 803struct in6_ifaddr *in6ifa_ifpwithaddr(struct ifnet *, struct in6_addr *); 804char *ip6_sprintf(char *, const struct in6_addr *); 805int in6_addr2zoneid(struct ifnet *, struct in6_addr *, u_int32_t *); 806int in6_matchlen(struct in6_addr *, struct in6_addr *); 807int in6_are_prefix_equal(struct in6_addr *, struct in6_addr *, int); 808void in6_prefixlen2mask(struct in6_addr *, int); 809int in6_prefix_ioctl(struct socket *, u_long, caddr_t, 810 struct ifnet *); 811int in6_prefix_add_ifid(int, struct in6_ifaddr *); 812void in6_prefix_remove_ifid(int, struct in6_ifaddr *); 813void in6_purgeprefix(struct ifnet *); 814void in6_ifremloop(struct ifaddr *); 815void in6_ifaddloop(struct ifaddr *); 816 817int in6_is_addr_deprecated(struct sockaddr_in6 *); 818int in6_src_ioctl(u_long, caddr_t); 819 820/* 821 * Extended API for IPv6 FIB support. 822 */ 823void in6_rtredirect(struct sockaddr *, struct sockaddr *, struct sockaddr *, 824 int, struct sockaddr *, u_int); 825int in6_rtrequest(int, struct sockaddr *, struct sockaddr *, 826 struct sockaddr *, int, struct rtentry **, u_int); 827void in6_rtalloc(struct route_in6 *, u_int); 828void in6_rtalloc_ign(struct route_in6 *, u_long, u_int); 829struct rtentry *in6_rtalloc1(struct sockaddr *, int, u_long, u_int); 830#endif /* _KERNEL */ 831 832#endif /* _NETINET6_IN6_VAR_H_ */ 833