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1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 | /* * Copyright (c) 2000-2021 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* * Copyright (c) 1985, 1986, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)in_var.h 8.1 (Berkeley) 6/10/93 */ #ifndef _NETINET6_IN6_VAR_H_ #define _NETINET6_IN6_VAR_H_ #include <sys/appleapiopts.h> #include <net/if_var.h> #include <net/net_kev.h> #ifdef BSD_KERNEL_PRIVATE #include <sys/tree.h> #include <sys/mcache.h> #endif /* BSD_KERNEL_PRIVATE */ #include <netinet/in.h> #include <netinet6/scope6_var.h> #include <sys/kern_event.h> #include <net/ethernet.h> /* * pltime/vltime are just for future reference (required to implements 2 * hour rule for hosts). they should never be modified by nd6_timeout or * anywhere else. * userland -> kernel: accept pltime/vltime * kernel -> userland: throw up everything * in kernel: modify preferred/expire only */ struct in6_addrlifetime { time_t ia6t_expire; /* valid lifetime expiration time */ time_t ia6t_preferred; /* preferred lifetime expiration time */ u_int32_t ia6t_vltime; /* valid lifetime */ u_int32_t ia6t_pltime; /* prefix lifetime */ }; #ifdef BSD_KERNEL_PRIVATE struct in6_addrlifetime_32 { u_int32_t ia6t_expire; u_int32_t ia6t_preferred; u_int32_t ia6t_vltime; u_int32_t ia6t_pltime; }; struct in6_addrlifetime_64 { u_int64_t ia6t_expire; u_int64_t ia6t_preferred; u_int32_t ia6t_vltime; u_int32_t ia6t_pltime; }; /* * Internal representation of ia6_lifetime (expiration in uptime unit) */ struct in6_addrlifetime_i { u_int64_t ia6ti_expire; /* valid lifetime expiration time */ u_int64_t ia6ti_preferred; /* preferred lifetime expiration time */ u_int32_t ia6ti_vltime; /* valid lifetime */ u_int32_t ia6ti_pltime; /* prefix lifetime */ u_int64_t ia6ti_base_calendartime; /* calendar time at creation */ u_int64_t ia6ti_base_uptime; /* uptime at creation */ }; /* * Interface address, IPv6 version. One of these structures * is allocated for each interface with an IPv6 address. * The ifaddr structure contains the protocol-independent part * of the structure and is assumed to be first. */ struct in6_ifaddr { struct ifaddr ia_ifa; /* protocol-independent info */ #define ia_ifp ia_ifa.ifa_ifp #define ia_flags ia_ifa.ifa_flags struct sockaddr_in6 ia_addr; /* interface address */ struct sockaddr_in6 ia_net; /* network number of interface */ struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ struct sockaddr_in6 ia_prefixmask; /* prefix mask */ u_int32_t ia_plen; /* prefix length */ TAILQ_ENTRY(in6_ifaddr) ia6_link; /* next in6 list of IP6 addresses */ TAILQ_ENTRY(in6_ifaddr) ia6_hash; /* hash bucket entry */ int ia6_flags; /* cga collision count */ uint8_t ia6_cga_collision_count; struct in6_addrlifetime_i ia6_lifetime; /* * the creation time of this address, which is * currently used for temporary addresses only. */ u_int64_t ia6_createtime; u_int64_t ia6_updatetime; /* back pointer to the ND prefix */ struct nd_prefix *ia6_ndpr; /* multicast addresses joined from the kernel */ LIST_HEAD(, in6_multi_mship) ia6_memberships; }; #define ifatoia6(ifa) ((struct in6_ifaddr *)(void *)(ifa)) extern TAILQ_HEAD(in6_ifaddrhead, in6_ifaddr) in6_ifaddrhead; extern uint32_t in6_ifaddrlist_genid; extern TAILQ_HEAD(in6_ifaddrhashhead, in6_ifaddr) * in6_ifaddrhashtbl; extern uint32_t in6addr_nhash; /* hash table size */ extern uint32_t in6addr_hashp; /* next largest prime */ static __inline uint32_t in6addr_hashval(const struct in6_addr *in6) { /* * The hash index is the computed prime times the key modulo * the hash size, as documented in "Introduction to Algorithms" * (Cormen, Leiserson, Rivest). */ if (in6addr_nhash > 1) { uint32_t x; x = in6->s6_addr32[0] ^ in6->s6_addr32[1] ^ in6->s6_addr32[2] ^ in6->s6_addr32[3]; return (x * in6addr_hashp) % in6addr_nhash; } else { return 0; } } #define IN6ADDR_HASH(x) (&in6_ifaddrhashtbl[in6addr_hashval(x)]) extern lck_mtx_t nd6_mutex_data; #define nd6_mutex (&nd6_mutex_data) #endif /* BSD_KERNEL_PRIVATE */ /* control structure to manage address selection policy */ struct in6_addrpolicy { struct sockaddr_in6 addr; /* prefix address */ struct sockaddr_in6 addrmask; /* prefix mask */ int preced; /* precedence */ int label; /* matching label */ u_quad_t use; /* statistics */ }; /* * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). */ struct in6_ifstat { u_quad_t ifs6_in_receive; /* # of total input datagram */ u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ u_quad_t ifs6_in_noroute; /* # of datagrams with no route */ u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ /* NOTE: increment on final dst if */ u_quad_t ifs6_in_truncated; /* # of truncated datagrams */ u_quad_t ifs6_in_discard; /* # of discarded datagrams */ /* NOTE: fragment timeout is not here */ u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ /* NOTE: increment on final dst if */ u_quad_t ifs6_out_forward; /* # of datagrams forwarded */ /* NOTE: increment on outgoing if */ u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */ /* NOTE: does not include forwrads */ u_quad_t ifs6_out_discard; /* # of discarded datagrams */ u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */ u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */ /* NOTE: this is # after fragment */ u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */ /* NOTE: increment on final dst if */ u_quad_t ifs6_reass_ok; /* # of reassembled packets */ /* NOTE: this is # after reass */ /* NOTE: increment on final dst if */ u_quad_t ifs6_atmfrag_rcvd; /* # of atomic fragments received */ u_quad_t ifs6_reass_fail; /* # of reass failures */ /* NOTE: may not be packet count */ /* NOTE: increment on final dst if */ u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */ u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */ u_quad_t ifs6_cantfoward_icmp6; /* # of ICMPv6 packets received for unreachable dest */ u_quad_t ifs6_addr_expiry_cnt; /* # of address expiry events (excluding privacy addresses) */ u_quad_t ifs6_pfx_expiry_cnt; /* # of prefix expiry events */ u_quad_t ifs6_defrtr_expiry_cnt; /* # of default router expiry events */ }; /* * ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry. * XXX: I'm not sure if this file is the right place for this structure... */ struct icmp6_ifstat { /* * Input statistics */ /* ipv6IfIcmpInMsgs, total # of input messages */ u_quad_t ifs6_in_msg; /* ipv6IfIcmpInErrors, # of input error messages */ u_quad_t ifs6_in_error; /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ u_quad_t ifs6_in_dstunreach; /* ipv6IfIcmpInAdminProhibs, # of input admin. prohibited errs */ u_quad_t ifs6_in_adminprohib; /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ u_quad_t ifs6_in_timeexceed; /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ u_quad_t ifs6_in_paramprob; /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ u_quad_t ifs6_in_pkttoobig; /* ipv6IfIcmpInEchos, # of input echo requests */ u_quad_t ifs6_in_echo; /* ipv6IfIcmpInEchoReplies, # of input echo replies */ u_quad_t ifs6_in_echoreply; /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ u_quad_t ifs6_in_routersolicit; /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ u_quad_t ifs6_in_routeradvert; /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ u_quad_t ifs6_in_neighborsolicit; /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advs. */ u_quad_t ifs6_in_neighboradvert; /* ipv6IfIcmpInRedirects, # of input redirects */ u_quad_t ifs6_in_redirect; /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ u_quad_t ifs6_in_mldquery; /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ u_quad_t ifs6_in_mldreport; /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ u_quad_t ifs6_in_mlddone; /* * Output statistics. We should solve unresolved routing problem... */ /* ipv6IfIcmpOutMsgs, total # of output messages */ u_quad_t ifs6_out_msg; /* ipv6IfIcmpOutErrors, # of output error messages */ u_quad_t ifs6_out_error; /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ u_quad_t ifs6_out_dstunreach; /* ipv6IfIcmpOutAdminProhibs, # of output admin. prohibited errs */ u_quad_t ifs6_out_adminprohib; /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ u_quad_t ifs6_out_timeexceed; /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ u_quad_t ifs6_out_paramprob; /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ u_quad_t ifs6_out_pkttoobig; /* ipv6IfIcmpOutEchos, # of output echo requests */ u_quad_t ifs6_out_echo; /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ u_quad_t ifs6_out_echoreply; /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ u_quad_t ifs6_out_routersolicit; /* ipv6IfIcmpOutRouterAdvertisements, # of output router advs. */ u_quad_t ifs6_out_routeradvert; /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ u_quad_t ifs6_out_neighborsolicit; /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advs. */ u_quad_t ifs6_out_neighboradvert; /* ipv6IfIcmpOutRedirects, # of output redirects */ u_quad_t ifs6_out_redirect; /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ u_quad_t ifs6_out_mldquery; /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ u_quad_t ifs6_out_mldreport; /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ u_quad_t ifs6_out_mlddone; }; struct in6_ifreq { char ifr_name[IFNAMSIZ]; union { struct sockaddr_in6 ifru_addr; struct sockaddr_in6 ifru_dstaddr; int ifru_flags; int ifru_flags6; int ifru_metric; int ifru_intval; caddr_t ifru_data; struct in6_addrlifetime ifru_lifetime; struct in6_ifstat ifru_stat; struct icmp6_ifstat ifru_icmp6stat; u_int32_t ifru_scope_id[SCOPE6_ID_MAX]; } ifr_ifru; }; struct in6_aliasreq { char ifra_name[IFNAMSIZ]; struct sockaddr_in6 ifra_addr; struct sockaddr_in6 ifra_dstaddr; struct sockaddr_in6 ifra_prefixmask; int ifra_flags; struct in6_addrlifetime ifra_lifetime; }; #ifdef PRIVATE #define IN6_CGA_MODIFIER_LENGTH 16 struct in6_cga_modifier { u_int8_t octets[IN6_CGA_MODIFIER_LENGTH]; }; struct in6_cga_prepare { struct in6_cga_modifier cga_modifier; u_int8_t cga_security_level; u_int8_t reserved_A[15]; }; #define IN6_CGA_KEY_MAXSIZE 2048 /* octets */ struct in6_cga_nodecfg { struct iovec cga_privkey; struct iovec cga_pubkey; struct in6_cga_prepare cga_prepare; }; struct in6_cgareq { char cgar_name[IFNAMSIZ]; int cgar_flags; struct in6_cga_prepare cgar_cgaprep; struct in6_addrlifetime cgar_lifetime; uint8_t cgar_collision_count; }; #ifdef BSD_KERNEL_PRIVATE struct in6_cgareq_32 { char cgar_name[IFNAMSIZ]; int cgar_flags; struct in6_cga_prepare cgar_cgaprep; struct in6_addrlifetime_32 cgar_lifetime; uint8_t cgar_collision_count; }; struct in6_cgareq_64 { char cgar_name[IFNAMSIZ]; int cgar_flags; struct in6_cga_prepare cgar_cgaprep; struct in6_addrlifetime_64 cgar_lifetime; uint8_t cgar_collision_count; }; #endif /* !BSD_KERNEL_PRIVATE */ #endif /* PRIVATE */ #ifdef BSD_KERNEL_PRIVATE struct in6_aliasreq_32 { char ifra_name[IFNAMSIZ]; struct sockaddr_in6 ifra_addr; struct sockaddr_in6 ifra_dstaddr; struct sockaddr_in6 ifra_prefixmask; int ifra_flags; struct in6_addrlifetime_32 ifra_lifetime; }; struct in6_aliasreq_64 { char ifra_name[IFNAMSIZ]; struct sockaddr_in6 ifra_addr; struct sockaddr_in6 ifra_dstaddr; struct sockaddr_in6 ifra_prefixmask; int ifra_flags; struct in6_addrlifetime_64 ifra_lifetime; }; #endif /* BSD_KERNEL_PRIVATE */ /* prefix type macro */ #define IN6_PREFIX_ND 1 #define IN6_PREFIX_RR 2 /* * prefix related flags passed between kernel(NDP related part) and * user land command(ifconfig) and daemon(rtadvd). */ struct in6_prflags { struct prf_ra { u_char onlink : 1; u_char autonomous : 1; u_char reserved : 6; } prf_ra; u_char prf_reserved1; u_short prf_reserved2; /* want to put this on 4byte offset */ struct prf_rr { u_char decrvalid : 1; u_char decrprefd : 1; u_char reserved : 6; } prf_rr; u_char prf_reserved3; u_short prf_reserved4; }; struct in6_prefixreq { char ipr_name[IFNAMSIZ]; u_char ipr_origin; u_char ipr_plen; u_int32_t ipr_vltime; u_int32_t ipr_pltime; struct in6_prflags ipr_flags; struct sockaddr_in6 ipr_prefix; }; #define PR_ORIG_RA 0 #define PR_ORIG_RR 1 #define PR_ORIG_STATIC 2 #define PR_ORIG_KERNEL 3 #define ipr_raf_onlink ipr_flags.prf_ra.onlink #define ipr_raf_auto ipr_flags.prf_ra.autonomous #define ipr_statef_onlink ipr_flags.prf_state.onlink #define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid #define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd struct in6_rrenumreq { char irr_name[IFNAMSIZ]; u_char irr_origin; u_char irr_m_len; /* match len for matchprefix */ u_char irr_m_minlen; /* minlen for matching prefix */ u_char irr_m_maxlen; /* maxlen for matching prefix */ u_char irr_u_uselen; /* uselen for adding prefix */ u_char irr_u_keeplen; /* keeplen from matching prefix */ struct irr_raflagmask { u_char onlink : 1; u_char autonomous : 1; u_char reserved : 6; } irr_raflagmask; u_int32_t irr_vltime; u_int32_t irr_pltime; struct in6_prflags irr_flags; struct sockaddr_in6 irr_matchprefix; struct sockaddr_in6 irr_useprefix; }; #define irr_raf_mask_onlink irr_raflagmask.onlink #define irr_raf_mask_auto irr_raflagmask.autonomous #define irr_raf_mask_reserved irr_raflagmask.reserved #define irr_raf_onlink irr_flags.prf_ra.onlink #define irr_raf_auto irr_flags.prf_ra.autonomous #define irr_statef_onlink irr_flags.prf_state.onlink #define irr_rrf irr_flags.prf_rr #define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid #define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd /* * Event data, inet6 style. */ struct kev_in6_addrlifetime { u_int32_t ia6t_expire; u_int32_t ia6t_preferred; u_int32_t ia6t_vltime; u_int32_t ia6t_pltime; }; struct kev_in6_data { struct net_event_data link_data; struct sockaddr_in6 ia_addr; /* interface address */ struct sockaddr_in6 ia_net; /* network number of interface */ struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ struct sockaddr_in6 ia_prefixmask; /* prefix mask */ u_int32_t ia_plen; /* prefix length */ u_int32_t ia6_flags; /* address flags from in6_ifaddr */ struct kev_in6_addrlifetime ia_lifetime; /* address life info */ uint8_t ia_mac[ETHER_ADDR_LEN]; }; #ifdef BSD_KERNEL_PRIVATE /* Utility function used inside netinet6 kernel code for generating events */ void in6_post_msg(struct ifnet *, u_int32_t, struct in6_ifaddr *, uint8_t *mac); #define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \ (((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \ (((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \ (((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \ (((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0) /* * Given a pointer to an in6_ifaddr (ifaddr), * return a pointer to the addr as a sockaddr_in6 */ #define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr)) #define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr)) #define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr)) #define IA6_SIN6(ia) (&((ia)->ia_addr)) #define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr)) #define IA6_SIN6_SCOPE(x) ((IA6_SIN6(x))->sin6_scope_id) #define IFA_IN6(x) \ (&((struct sockaddr_in6 *)(void *)((x)->ifa_addr))->sin6_addr) #define IFA_SIN6(x) \ ((struct sockaddr_in6 *)(void *)((x)->ifa_addr)) #define IFA_DSTIN6(x) \ (&((struct sockaddr_in6 *)(void *)((x)->ifa_dstaddr))->sin6_addr) #define IFPR_IN6(x) \ (&((struct sockaddr_in6 *)(void *)((x)->ifpr_prefix))->sin6_addr) #define IFA_SIN6_SCOPE(x) ((IFA_SIN6(x))->sin6_scope_id) #endif /* BSD_KERNEL_PRIVATE */ #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) /* * SIOCSxxx ioctls should be unused (see comments in in6.c), but * we do not shift numbers for binary compatibility. */ #define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq) #define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq) #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) #define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) #ifdef BSD_KERNEL_PRIVATE #define SIOCAIFADDR_IN6_32 _IOW('i', 26, struct in6_aliasreq_32) #define SIOCAIFADDR_IN6_64 _IOW('i', 26, struct in6_aliasreq_64) #endif /* BSD_KERNEL_PRIVATE */ #define SIOCSIFPHYADDR_IN6 _IOW('i', 62, struct in6_aliasreq) #ifdef BSD_KERNEL_PRIVATE #define SIOCSIFPHYADDR_IN6_32 _IOW('i', 62, struct in6_aliasreq_32) #define SIOCSIFPHYADDR_IN6_64 _IOW('i', 62, struct in6_aliasreq_64) #endif /* BSD_KERNEL_PRIVATE */ #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 63, struct in6_ifreq) #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 64, struct in6_ifreq) #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) #ifdef BSD_KERNEL_PRIVATE #define SIOCGDRLST_IN6_32 _IOWR('i', 74, struct in6_drlist_32) #define SIOCGDRLST_IN6_64 _IOWR('i', 74, struct in6_drlist_64) #endif /* BSD_KERNEL_PRIVATE */ #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) #ifdef BSD_KERNEL_PRIVATE #define SIOCGPRLST_IN6_32 _IOWR('i', 75, struct in6_prlist_32) #define SIOCGPRLST_IN6_64 _IOWR('i', 75, struct in6_prlist_64) #endif /* BSD_KERNEL_PRIVATE */ #define OSIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ondireq) #define SIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) #ifdef BSD_KERNEL_PRIVATE #define SIOCGNBRINFO_IN6_32 _IOWR('i', 78, struct in6_nbrinfo_32) #define SIOCGNBRINFO_IN6_64 _IOWR('i', 78, struct in6_nbrinfo_64) #endif /* BSD_KERNEL_PRIVATE */ #define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq) #define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq) #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) #define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq) #define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq) #define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq) #define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq) #define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq) #ifdef BSD_KERNEL_PRIVATE #define SIOCSDEFIFACE_IN6_32 _IOWR('i', 85, struct in6_ndifreq_32) #define SIOCSDEFIFACE_IN6_64 _IOWR('i', 85, struct in6_ndifreq_64) #define SIOCGDEFIFACE_IN6_32 _IOWR('i', 86, struct in6_ndifreq_32) #define SIOCGDEFIFACE_IN6_64 _IOWR('i', 86, struct in6_ndifreq_64) #endif /* BSD_KERNEL_PRIVATE */ #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ /* N.B.: These 3 ioctls are deprecated and won't work */ #define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq) #define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq) #define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq) #define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */ #define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */ #define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */ #define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */ /* change */ #define SIOCCIFPREFIX_IN6 _IOW('i', 104, struct in6_rrenumreq) /* set global */ #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, struct in6_rrenumreq) /* * multicast routing, get s/g pkt cnt, pkt cnt per interface. */ #define SIOCGETSGCNT_IN6 _IOWR('u', 28, struct sioc_sg_req6) #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, struct sioc_mif_req6) #ifdef BSD_KERNEL_PRIVATE #define SIOCGETMIFCNT_IN6_32 _IOWR('u', 107, struct sioc_mif_req6_32) #define SIOCGETMIFCNT_IN6_64 _IOWR('u', 107, struct sioc_mif_req6_64) #endif /* BSD_KERNEL_PRIVATE */ #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) #ifdef PRIVATE /* * temporary control calls to attach/detach IPv6 to/from an interface. */ #define SIOCPROTOATTACH_IN6 _IOWR('i', 110, struct in6_aliasreq) #ifdef BSD_KERNEL_PRIVATE #define SIOCPROTOATTACH_IN6_32 _IOWR('i', 110, struct in6_aliasreq_32) #define SIOCPROTOATTACH_IN6_64 _IOWR('i', 110, struct in6_aliasreq_64) #endif /* BSD_KERNEL_PRIVATE */ #define SIOCPROTODETACH_IN6 _IOWR('i', 111, struct in6_ifreq) /* * start/stop aquiring linklocal on interface */ #define SIOCLL_START _IOWR('i', 130, struct in6_aliasreq) #ifdef BSD_KERNEL_PRIVATE #define SIOCLL_START_32 _IOWR('i', 130, struct in6_aliasreq_32) #define SIOCLL_START_64 _IOWR('i', 130, struct in6_aliasreq_64) #endif /* BSD_KERNEL_PRIVATE */ #define SIOCLL_STOP _IOWR('i', 131, struct in6_ifreq) /* * accept rtadvd (and stop accepting) on this interface. */ #define SIOCAUTOCONF_START _IOWR('i', 132, struct in6_ifreq) #define SIOCAUTOCONF_STOP _IOWR('i', 133, struct in6_ifreq) /* * add/remove default IPv6 router. */ #define SIOCDRADD_IN6 _IOWR('u', 134, struct in6_defrouter) #ifdef BSD_KERNEL_PRIVATE #define SIOCDRADD_IN6_32 _IOWR('u', 134, struct in6_defrouter_32) #define SIOCDRADD_IN6_64 _IOWR('u', 134, struct in6_defrouter_64) #endif /* BSD_KERNEL_PRIVATE */ #define SIOCDRDEL_IN6 _IOWR('u', 135, struct in6_defrouter) #ifdef BSD_KERNEL_PRIVATE #define SIOCDRDEL_IN6_32 _IOWR('u', 135, struct in6_defrouter_32) #define SIOCDRDEL_IN6_64 _IOWR('u', 135, struct in6_defrouter_64) #endif /* BSD_KERNEL_PRIVATE */ /* * SIOCSETROUTERMODE_IN6 * Set the IPv6 router mode on an interface. * * IPV6_ROUTER_MODE_DISABLED * - disable IPv6 router mode if it is enabled * - if the previous mode was IPV6_ROUTER_MODE_EXCUSIVE, * scrubs all IPv6 auto-configured addresses * * IPV6_ROUTER_MODE_EXCLUSIVE * - act exclusively as an IPv6 router on the interface * - disables accepting external Router Advertisements * - scrubs all IPv6 auto-configured addresses * - disables optimistic dad * - disables ND6 prefix proxy, if enabled * - used by the internet sharing/personal hotspot feature * * IPV6_ROUTER_MODE_HYBRID * - act as both an IPv6 router and IPv6 client on the interface * - does not modify whether to accept Router Advertisements * - does not scrub any addresses * - used when acting as the gateway/router for an otherwise isolated * network whose existence is likely advertised via a * a Route Information Option in a Router Advertisement */ #define IPV6_ROUTER_MODE_DISABLED 0 #define IPV6_ROUTER_MODE_EXCLUSIVE 1 #define IPV6_ROUTER_MODE_HYBRID 2 #define SIOCSETROUTERMODE_IN6 _IOWR('i', 136, struct in6_ifreq) #define SIOCGETROUTERMODE_IN6 _IOWR('i', 137, struct in6_ifreq) /* * start secure link-local interface addresses */ #define SIOCLL_CGASTART _IOW('i', 160, struct in6_cgareq) #ifdef BSD_KERNEL_PRIVATE #define SIOCLL_CGASTART_32 _IOW('i', 160, struct in6_cgareq_32) #define SIOCLL_CGASTART_64 _IOW('i', 160, struct in6_cgareq_64) #endif /* * get/set the CGA parameters */ #define SIOCGIFCGAPREP_IN6 _IOWR('i', 187, struct in6_cgareq) #define SIOCSIFCGAPREP_IN6 _IOWR('i', 188, struct in6_cgareq) #ifdef BSD_KERNEL_PRIVATE #define SIOCGIFCGAPREP_IN6_32 _IOWR('i', 187, struct in6_cgareq_32) #define SIOCGIFCGAPREP_IN6_64 _IOWR('i', 187, struct in6_cgareq_64) #define SIOCSIFCGAPREP_IN6_32 _IOWR('i', 188, struct in6_cgareq_32) #define SIOCSIFCGAPREP_IN6_64 _IOWR('i', 188, struct in6_cgareq_64) #endif #define SIOCCLAT46_START _IOWR('i', 189, struct in6_ifreq) #define SIOCCLAT46_STOP _IOWR('i', 190, struct in6_ifreq) #endif /* PRIVATE */ #ifdef BSD_KERNEL_PRIVATE /* * XXX: Do not extend IN6_IFF values beyond 16-bit. We currently copy the * values from ia6_flags as is into m_pkthdr.{src,dst}_iff which are * defined as 16-bit variables. We can relax this once we define a * unified set of interface flags for {ia,ia6}_flags and perform * translation between those and the publicly-defined ones below. */ #endif /* BSD_KERNEL_PRIVATE */ #define IN6_IFF_ANYCAST 0x0001 /* anycast address */ #define IN6_IFF_TENTATIVE 0x0002 /* tentative address */ #define IN6_IFF_DUPLICATED 0x0004 /* DAD detected duplicate */ #define IN6_IFF_DETACHED 0x0008 /* XXX Obsolete. May be detached from the link */ #define IN6_IFF_DEPRECATED 0x0010 /* deprecated address */ /* don't perform DAD on this address (used only at first SIOC* call) */ #define IN6_IFF_NODAD 0x0020 #define IN6_IFF_AUTOCONF 0x0040 /* autoconfigurable address. */ #define IN6_IFF_TEMPORARY 0x0080 /* temporary (anonymous) address. */ #define IN6_IFF_DYNAMIC 0x0100 /* assigned by DHCPv6 service */ #define IN6_IFF_OPTIMISTIC 0x0200 /* optimistic DAD, i.e. RFC 4429 */ #define IN6_IFF_SECURED 0x0400 /* cryptographically generated */ #ifdef PRIVATE #define IN6_IFF_SWIFTDAD 0x0800 /* DAD with no delay */ #endif #define IN6_IFF_CLAT46 0x1000 /* Address reserved for CLAT46 */ #define IN6_IFF_NOPFX 0x8000 /* Depreciated. Don't use. */ /* Duplicate Address Detection [DAD] in progress. */ #define IN6_IFF_DADPROGRESS (IN6_IFF_TENTATIVE|IN6_IFF_OPTIMISTIC) /* do not input/output */ #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) /* SLAAC/DHCPv6 address */ #define IN6_IFF_NOTMANUAL (IN6_IFF_AUTOCONF|IN6_IFF_DYNAMIC) #ifdef KERNEL #define IN6_ARE_SCOPE_CMP(a, b) ((a) - (b)) #define IN6_ARE_SCOPE_EQUAL(a, b) ((a) == (b)) #endif /* KERNEL */ #ifdef BSD_KERNEL_PRIVATE extern struct icmp6stat icmp6stat; extern lck_grp_t ip6_mutex_grp; extern lck_attr_t ip6_mutex_attr; extern lck_rw_t in6_ifaddr_rwlock; extern lck_mtx_t proxy6_lock; extern u_char inet6ctlerrmap[]; extern u_int32_t in6_maxmtu; /* N.B.: if_inet6data is never freed once set, so we don't need to lock */ #define in6_ifstat_add_common(_ifp, _tag, _count, _atomic) do { \ if (_ifp != NULL && IN6_IFEXTRA(_ifp) != NULL) { \ if (_atomic) \ atomic_add_64( \ &IN6_IFEXTRA(_ifp)->in6_ifstat._tag, _count);\ else \ IN6_IFEXTRA(_ifp)->in6_ifstat._tag += _count; \ } \ } while (0) /* atomic version */ #define in6_ifstat_inc(_ifp, _tag) \ in6_ifstat_add_common(_ifp, _tag, 1, TRUE) /* non-atomic version (for fast paths) */ #define in6_ifstat_inc_na(_ifp, _tag) \ in6_ifstat_add_common(_ifp, _tag, 1, FALSE) /* atomic add version */ #define in6_ifstat_add(_ifp, _tag, _count) \ in6_ifstat_add_common(_ifp, _tag, _count, TRUE) /* * Macro for finding the internet address structure (in6_ifaddr) corresponding * to a given interface (ifnet structure). */ #define IFP_TO_IA6(ifp, ia) \ /* struct ifnet *ifp; */ \ /* struct in6_ifaddr *ia; */ \ do { \ struct ifaddr *_ifa; \ ifnet_lock_assert(ifp, LCK_RW_ASSERT_HELD); \ for (_ifa = (ifp)->if_addrlist.tqh_first; _ifa != NULL; \ _ifa = _ifa->ifa_list.tqe_next) { \ IFA_LOCK(_ifa); \ if (_ifa->ifa_addr->sa_family == AF_INET6) { \ IFA_ADDREF_LOCKED(_ifa); \ IFA_UNLOCK(_ifa); \ break; \ } \ IFA_UNLOCK(_ifa); \ } \ (ia) = (struct in6_ifaddr *)_ifa; \ } while (0) /* * IPv6 multicast MLD-layer source entry. */ struct ip6_msource { RB_ENTRY(ip6_msource) im6s_link; /* RB tree links */ struct in6_addr im6s_addr; struct im6s_st { uint16_t ex; /* # of exclusive members */ uint16_t in; /* # of inclusive members */ } im6s_st[2]; /* state at t0, t1 */ uint8_t im6s_stp; /* pending query */ }; RB_HEAD(ip6_msource_tree, ip6_msource); RB_PROTOTYPE_SC_PREV(__private_extern__, ip6_msource_tree, ip6_msource, im6s_link, ip6_msource_cmp); /* * IPv6 multicast PCB-layer source entry. * * NOTE: overlapping use of struct ip6_msource fields at start. */ struct in6_msource { RB_ENTRY(ip6_msource) im6s_link; /* Common field */ struct in6_addr im6s_addr; /* Common field */ uint8_t im6sl_st[2]; /* state before/at commit */ }; /* * IPv6 multicast PCB-layer group filter descriptor. */ struct in6_mfilter { struct ip6_msource_tree im6f_sources; /* source list for (S,G) */ u_long im6f_nsrc; /* # of source entries */ uint8_t im6f_st[2]; /* state before/at commit */ }; /* * Legacy KAME IPv6 multicast membership descriptor. */ struct in6_multi_mship { struct in6_multi *i6mm_maddr; /* Multicast address pointer */ LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ }; #ifdef BSD_KERNEL_PRIVATE #include <netinet6/nd6_var.h> #include <net/if_llatbl.h> /* * Per-interface IPv6 structures. */ struct in6_ifextra { struct scope6_id scope6_id; struct in6_ifstat in6_ifstat; struct icmp6_ifstat icmp6_ifstat; struct nd_ifinfo nd_ifinfo; uint32_t netsig_len; u_int8_t netsig[IFNET_SIGNATURELEN]; struct ipv6_prefix nat64_prefixes[NAT64_MAX_NUM_PREFIXES]; struct lltable *ii_llt; /* NDP state */ }; #define IN6_IFEXTRA(_ifp) (_ifp->if_inet6data) #define LLTABLE6(ifp) ((IN6_IFEXTRA(ifp) == NULL) ? NULL : IN6_IFEXTRA(ifp)->ii_llt) #endif /* BSD_KERNEL_PRIVATE */ struct mld_ifinfo; /* * IPv6 group descriptor. * * For every entry on an ifnet's if_multiaddrs list which represents * an IP multicast group, there is one of these structures. * * If any source filters are present, then a node will exist in the RB-tree * to permit fast lookup by source whenever an operation takes place. * This permits pre-order traversal when we issue reports. * Source filter trees are kept separately from the socket layer to * greatly simplify locking. * * When MLDv2 is active, in6m_timer is the response to group query timer. * The state-change timer in6m_sctimer is separate; whenever state changes * for the group the state change record is generated and transmitted, * and kept if retransmissions are necessary. * * The request count here is a count of requests for this address, not a * count of pointers to this structure. * * FUTURE: in6m_entry is now only used when groups are being purged * on a detaching ifnet. It could be demoted to a SLIST_ENTRY. */ struct in6_multi { decl_lck_mtx_data(, in6m_lock); u_int32_t in6m_refcount; /* reference count */ u_int32_t in6m_reqcnt; /* request count for this address */ u_int32_t in6m_debug; /* see ifa_debug flags */ LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ struct in6_addr in6m_addr; /* IP6 multicast address */ uint32_t ifscope; /* IP6 address scope */ struct ifnet *in6m_ifp; /* back pointer to ifnet */ struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ u_int in6m_state; /* state of the membership */ u_int in6m_timer; /* MLD6 listener report timer */ /* New fields for MLDv2 follow. */ struct mld_ifinfo *in6m_mli; /* MLD info */ SLIST_ENTRY(in6_multi) in6m_dtle; /* detached waiting for rele */ SLIST_ENTRY(in6_multi) in6m_nrele; /* to-be-released by MLD */ u_int32_t in6m_nrelecnt; /* deferred release count */ struct ip6_msource_tree in6m_srcs; /* tree of sources */ u_long in6m_nsrc; /* # of tree entries */ struct ifqueue in6m_scq; /* pending state-change packets */ struct timeval in6m_lastgsrtv; /* last G-S-R query */ uint16_t in6m_sctimer; /* state-change timer */ uint16_t in6m_scrv; /* state-change rexmit count */ /* * SSM state counters which track state at T0 (the time the last * state-change report's RV timer went to zero) and T1 * (time of pending report, i.e. now). * Used for computing MLDv2 state-change reports. Several refcounts * are maintained here to optimize for common use-cases. */ struct in6m_st { uint16_t iss_fmode; /* MLD filter mode */ uint16_t iss_asm; /* # of ASM listeners */ uint16_t iss_ex; /* # of exclusive members */ uint16_t iss_in; /* # of inclusive members */ uint16_t iss_rec; /* # of recorded sources */ } in6m_st[2]; /* state at t0, t1 */ void (*in6m_trace) /* callback fn for tracing refs */ (struct in6_multi *, int); }; #define IN6M_LOCK_ASSERT_HELD(_in6m) \ LCK_MTX_ASSERT(&(_in6m)->in6m_lock, LCK_MTX_ASSERT_OWNED) #define IN6M_LOCK_ASSERT_NOTHELD(_in6m) \ LCK_MTX_ASSERT(&(_in6m)->in6m_lock, LCK_MTX_ASSERT_NOTOWNED) #define IN6M_LOCK(_in6m) \ lck_mtx_lock(&(_in6m)->in6m_lock) #define IN6M_LOCK_SPIN(_in6m) \ lck_mtx_lock_spin(&(_in6m)->in6m_lock) #define IN6M_CONVERT_LOCK(_in6m) do { \ IN6M_LOCK_ASSERT_HELD(_in6m); \ lck_mtx_convert_spin(&(_in6m)->in6m_lock); \ } while (0) #define IN6M_UNLOCK(_in6m) \ lck_mtx_unlock(&(_in6m)->in6m_lock) #define IN6M_ADDREF(_in6m) \ in6m_addref(_in6m, 0) #define IN6M_ADDREF_LOCKED(_in6m) \ in6m_addref(_in6m, 1) #define IN6M_REMREF(_in6m) \ in6m_remref(_in6m, 0) #define IN6M_REMREF_LOCKED(_in6m) \ in6m_remref(_in6m, 1) /* flags to in6_update_ifa */ #define IN6_IFAUPDATE_NOWAIT 0x1 /* don't block allocating memory */ #define IN6_IFAUPDATE_1STADDR 0x2 /* first address on interface */ #define IN6_IFAUPDATE_NEWADDR 0x4 /* new address on interface */ #define IN6_IFAUPDATE_DADDELAY 0x8 /* must delay initial DAD probe */ struct ip6_moptions; struct sockopt; struct inpcb; extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead; /* * Structure used by macros below to remember position when stepping through * all of the in6_multi records. */ struct in6_multistep { struct in6_ifaddr *i_ia; struct in6_multi *i_in6m; }; /* * Macros for looking up the in6_multi record for a given IP6 multicast * address on a given interface. If no matching record is found, "in6m" * returns NULL. * * We do this differently compared other BSD implementations; instead of * walking the if_multiaddrs list at the interface and returning the * ifma_protospec value of a matching entry, we search the global list * of in6_multi records and find it that way. Otherwise either the two * structures (in6_multi, ifmultiaddr) need to be ref counted both ways, * which will make things too complicated, or they need to reside in the * same protected domain, which they aren't. * * Must be called with in6_multihead_lock held. */ #define IN6_LOOKUP_MULTI(addr, ifp, in6m) \ /* struct in6_addr *addr; */ \ /* struct ifnet *ifp; */ \ /* struct in6_multi *in6m; */ \ do { \ struct in6_multistep _step; \ IN6_FIRST_MULTI(_step, in6m); \ while ((in6m) != NULL) { \ IN6M_LOCK_SPIN(in6m); \ if ((in6m)->in6m_ifp == (ifp) && \ IN6_ARE_ADDR_EQUAL(&(in6m)->in6m_addr, (addr))) { \ IN6M_ADDREF_LOCKED(in6m); \ IN6M_UNLOCK(in6m); \ break; \ } \ IN6M_UNLOCK(in6m); \ IN6_NEXT_MULTI(_step, in6m); \ } \ } while (0) /* * Macro to step through all of the in6_multi records, one at a time. * The current position is remembered in "step", which the caller must * provide. IN6_FIRST_MULTI(), below, must be called to initialize "step" * and get the first record. Both macros return a NULL "in6m" when there * are no remaining records. * * Must be called with in6_multihead_lock held. */ #define IN6_NEXT_MULTI(step, in6m) \ /* struct in6_multistep step; */ \ /* struct in6_multi *in6m; */ \ do { \ in6_multihead_lock_assert(LCK_RW_ASSERT_HELD); \ if (((in6m) = (step).i_in6m) != NULL) \ (step).i_in6m = (step).i_in6m->in6m_entry.le_next; \ } while (0) #define IN6_FIRST_MULTI(step, in6m) \ /* struct in6_multistep step; */ \ /* struct in6_multi *in6m */ \ do { \ in6_multihead_lock_assert(LCK_RW_ASSERT_HELD); \ (step).i_in6m = in6_multihead.lh_first; \ IN6_NEXT_MULTI((step), (in6m)); \ } while (0) extern lck_mtx_t *inet6_domain_mutex; extern struct domain *inet6domain; struct ip6_pktopts; /* Multicast private KPIs. */ extern int im6o_mc_filter(const struct ip6_moptions *, struct ifnet *, const struct sockaddr_in6 *, const struct sockaddr_in6 *); extern int in6_mc_join(struct ifnet *, const struct in6_addr *, struct in6_mfilter *, struct in6_multi **, int); extern int in6_mc_leave(struct in6_multi *, struct in6_mfilter *); extern void in6m_clear_recorded(struct in6_multi *); extern void in6m_commit(struct in6_multi *); extern void in6m_purge(struct in6_multi *); extern void in6m_print(const struct in6_multi *); extern int in6m_record_source(struct in6_multi *, const struct in6_addr *); extern int ip6_getmoptions(struct inpcb *, struct sockopt *); extern int ip6_setmoptions(struct inpcb *, struct sockopt *); /* Legacy KAME multicast private KPIs. */ extern struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *, int); extern int in6_leavegroup(struct in6_multi_mship *); extern void in6_multi_init(void); extern void in6m_addref(struct in6_multi *, int); extern void in6m_remref(struct in6_multi *, int); extern int in6_multi_detach(struct in6_multi *); extern int in6_ifindex2scopeid(int); extern int in6_mask2len(struct in6_addr *, u_char *); extern void in6_len2mask(struct in6_addr *, int); extern int in6_control(struct socket *, u_long, caddr_t, struct ifnet *, struct proc *); extern int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, int, struct in6_ifaddr **); extern void in6_purgeaddr(struct ifaddr *); extern int in6if_do_dad(struct ifnet *); extern void in6_purgeif(struct ifnet *); extern void in6_savemkludge(struct in6_ifaddr *); extern void in6_setmaxmtu(void); extern void in6_restoremkludge(struct in6_ifaddr *, struct ifnet *); extern void in6_purgemkludge(struct ifnet *); extern struct in6_ifaddr *in6ifa_ifpforlinklocal(struct ifnet *, int); extern struct in6_ifaddr *in6ifa_ifpwithflag(struct ifnet *, int); extern struct in6_ifaddr *in6ifa_ifpwithaddr(struct ifnet *, struct in6_addr *); extern struct in6_ifaddr *in6ifa_prproxyaddr(struct in6_addr *, uint32_t); extern void in6ifa_getlifetime(struct in6_ifaddr *, struct in6_addrlifetime *, int); extern void in6ifa_setlifetime(struct in6_ifaddr *, struct in6_addrlifetime *); extern char *ip6_sprintf(const struct in6_addr *); extern int in6_addr2scopeid(struct ifnet *, struct in6_addr *); extern int in6_matchlen(struct in6_addr *, struct in6_addr *); extern int in6_are_prefix_equal(struct in6_addr *p1, uint32_t ifscope1, struct in6_addr *p2, uint32_t ifscope2, int len); extern void in6_prefixlen2mask(struct in6_addr *maskp, int len); extern int in6_prefix_add_ifid(int iilen, struct in6_ifaddr *ia); extern void in6_prefix_remove_ifid(int iilen, struct in6_ifaddr *ia); extern void in6_purgeprefix(struct ifnet *); extern void in6_purgeaddrs(struct ifnet *); extern uint8_t im6s_get_mode(const struct in6_multi *, const struct ip6_msource *, uint8_t); extern void im6f_leave(struct in6_mfilter *); extern void im6f_purge(struct in6_mfilter *); extern int in6_embedscope(struct in6_addr *, const struct sockaddr_in6 *, struct inpcb *, struct ifnet **, struct ip6_pktopts *, uint32_t *); extern int in6_recoverscope(struct sockaddr_in6 *, const struct in6_addr *, struct ifnet *); extern void in6_aliasreq_64_to_32(struct in6_aliasreq_64 *, struct in6_aliasreq_32 *); extern void in6_aliasreq_32_to_64(struct in6_aliasreq_32 *, struct in6_aliasreq_64 *); extern void in6_ifaddr_init(void); extern int in6_inithead(void **, int); extern void in6_rtqdrain(void); extern struct radix_node *in6_validate(struct radix_node *); extern int in6_if2idlen(struct ifnet *); extern int in6_src_ioctl(u_long, caddr_t); extern void in6_multihead_lock_exclusive(void); extern void in6_multihead_lock_shared(void); extern void in6_multihead_lock_assert(int); extern void in6_multihead_lock_done(void); extern void in6_cga_init(void); extern void in6_cga_node_lock(void); extern void in6_cga_node_unlock(void); extern void in6_cga_query(struct in6_cga_nodecfg *); extern int in6_cga_start(const struct in6_cga_nodecfg *); extern int in6_cga_stop(void); extern ssize_t in6_cga_parameters_prepare(void *, size_t, const struct in6_addr *, u_int8_t, const struct in6_cga_modifier *); extern int in6_cga_generate(struct in6_cga_prepare *, u_int8_t, struct in6_addr *, struct ifnet *); extern int in6_getconninfo(struct socket *, sae_connid_t, uint32_t *, uint32_t *, int32_t *, user_addr_t, socklen_t *, user_addr_t, socklen_t *, uint32_t *, user_addr_t, uint32_t *); extern void in6_ip6_to_sockaddr(const struct in6_addr *ip6, u_int16_t port, uint32_t ifscope, struct sockaddr_in6 *sin6, u_int32_t maxlen); extern void in6_cgareq_copy_from_user(const void *, int, struct in6_cgareq *cgareq); #endif /* BSD_KERNEL_PRIVATE */ #endif /* _NETINET6_IN6_VAR_H_ */ |