/* $FreeBSD: src/sys/netinet6/in6_var.h,v 1.3.2.3 2002/04/28 05:40:27 suz Exp $ */ /* $DragonFly: src/sys/netinet6/in6_var.h,v 1.10 2008/10/03 07:59:20 hasso Exp $ */ /* $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ */ /* * 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. 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_ #ifndef _SYS_TYPES_H_ #include #endif #ifndef _SYS_IOCCOM_H_ #include #endif #ifndef _SYS_TIME_H_ #include #endif #ifndef _NET_IF_VAR_H_ #include #endif #ifndef _NETINET_IN_H_ #include #endif /* * Interface address, Internet version. One of these structures * is allocated for each interface with an Internet address. * The ifaddr structure contains the protocol-independent part * of the structure and is assumed to be first. */ /* * 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 */ }; struct nd_ifinfo; struct scope6_id; struct in6_ifextra { struct in6_ifstat *in6_ifstat; struct icmp6_ifstat *icmp6_ifstat; struct nd_ifinfo *nd_ifinfo; struct scope6_id *scope6_id; }; 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 */ struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */ int ia6_flags; struct in6_addrlifetime ia6_lifetime; /* back pointer to the ND prefix (for autoconfigured addresses only) */ struct nd_prefix *ia6_ndpr; }; /* 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_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 */ }; /* * 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 administratively 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 advertisements */ 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 administratively 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 advertisements */ u_quad_t ifs6_out_routeradvert; /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ u_quad_t ifs6_out_neighborsolicit; /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ 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; short ifru_flags; int ifru_flags6; int ifru_metric; 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[16]; } 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; }; /* 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 /* * 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 IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr) #define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr) #define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr) #ifdef _KERNEL #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 ) #endif #define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq) #define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq) #ifdef _KERNEL /* * 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) #endif #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) #define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq) #define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq) #define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq) #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) #define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist) #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist) #ifdef _KERNEL #define OSIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq) #endif #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) #define SIOCSIFINFO_IN6 _IOWR('i', 109, struct in6_ndireq) #define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq) #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) #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) #define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */ #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 */ #define SIOCCIFPREFIX_IN6 _IOW('i', 104, \ struct in6_rrenumreq) /* change */ #define SIOCSGIFPREFIX_IN6 _IOW('i', 105, \ struct in6_rrenumreq) /* set global */ #define SIOCGETSGCNT_IN6 _IOWR('u', 106, \ struct sioc_sg_req6) /* get s,g pkt cnt */ #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, \ struct sioc_mif_req6) /* get pkt cnt per if */ #define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy) #define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy) #define IN6_IFF_ANYCAST 0x01 /* anycast address */ #define IN6_IFF_TENTATIVE 0x02 /* tentative address */ #define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */ #define IN6_IFF_DETACHED 0x08 /* may be detached from the link */ #define IN6_IFF_DEPRECATED 0x10 /* deprecated address */ #define IN6_IFF_NODAD 0x20 /* don't perform DAD on this address * (used only at first SIOC* call) */ #define IN6_IFF_AUTOCONF 0x40 /* autoconfigurable address. */ #define IN6_IFF_TEMPORARY 0x80 /* temporary (anonymous) address. */ #define IN6_IFF_NOPFX 0x8000 /* skip kernel prefix management. * XXX: this should be temporary. */ /* do not input/output */ #define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED) #ifdef _KERNEL #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) #endif #ifdef _KERNEL extern struct in6_ifaddr *in6_ifaddr; extern struct icmp6stat icmp6stat; #define in6_ifstat_inc(ifp, tag) \ do { \ struct in6_ifextra *xtra; \ if ((ifp) && (xtra = (ifp)->if_afdata[AF_INET6]) != NULL) \ xtra->in6_ifstat->tag++; \ } while (0) extern struct ifqueue ip6intrq; /* IP6 packet input queue */ extern struct in6_addr zeroin6_addr; extern u_char inet6ctlerrmap[]; extern unsigned long in6_maxmtu; #ifdef MALLOC_DECLARE MALLOC_DECLARE(M_IPMADDR); #endif /* * 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_container *ifac; \ TAILQ_FOREACH(ifac, &(ifp)->if_addrheads[mycpuid], ifa_list) { \ if (!ifac->ifa->ifa_addr) \ continue; \ if (ifac->ifa->ifa_addr->sa_family == AF_INET6) \ break; \ } \ (ia) = ifac == NULL ? NULL : (struct in6_ifaddr *)(ifac->ifa); \ } while (0) #endif /* _KERNEL */ /* * Multi-cast membership entry. One for each group/ifp that a PCB * belongs to. */ struct in6_multi_mship { struct in6_multi *i6mm_maddr; /* Multicast address pointer */ LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */ }; struct in6_multi { LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ struct in6_addr in6m_addr; /* IP6 multicast address */ struct ifnet *in6m_ifp; /* back pointer to ifnet */ struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ u_int in6m_refcount; /* # membership claims by sockets */ u_int in6m_state; /* state of the membership */ u_int in6m_timer; /* MLD6 listener report timer */ }; #ifdef _KERNEL 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; }; /* * Look up the in6_multi record for a given IP6 multicast address on a given * interface. If no matching record is found, NULL is returned. */ static __inline struct in6_multi * IN6_LOOKUP_MULTI(const struct in6_addr *_addr, struct ifnet *_ifp) { const struct ifmultiaddr *_ifma; struct in6_multi *_in6m = NULL; /* TODO: need ifnet_serialize_main */ ifnet_serialize_all(_ifp); TAILQ_FOREACH(_ifma, &_ifp->if_multiaddrs, ifma_link) { if (_ifma->ifma_addr->sa_family == AF_INET6 && IN6_ARE_ADDR_EQUAL( &((struct sockaddr_in6 *)_ifma->ifma_addr)->sin6_addr, _addr)) { _in6m = _ifma->ifma_protospec; break; } } ifnet_deserialize_all(_ifp); return _in6m; } /* * 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. */ #define IN6_NEXT_MULTI(step, in6m) \ /* struct in6_multistep step; */ \ /* struct in6_multi *in6m; */ \ do { \ 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 { \ (step).i_in6m = in6_multihead.lh_first; \ IN6_NEXT_MULTI((step), (in6m)); \ } while(0) struct in6_multi *in6_addmulti (struct in6_addr *, struct ifnet *, int *); void in6_delmulti (struct in6_multi *); struct in6_multi_mship *in6_joingroup(struct ifnet *, struct in6_addr *, int *); int in6_leavegroup(struct in6_multi_mship *); int in6_mask2len(const struct in6_addr *, const u_char *); void in6_control_dispatch(netmsg_t msg); int in6_control(u_long, caddr_t, struct ifnet *, struct thread *); int in6_update_ifa (struct ifnet *, struct in6_aliasreq *, struct in6_ifaddr *); void in6_purgeaddr (struct ifaddr *); int in6if_do_dad (struct ifnet *); void in6_purgeif (struct ifnet *); void in6_savemkludge (struct in6_ifaddr *); void in6_if_up(struct ifnet *); void in6_if_down(struct ifnet *); void *in6_domifattach (struct ifnet *); void in6_domifdetach (struct ifnet *, void *); void in6_setmaxmtu (void); void in6_restoremkludge (struct in6_ifaddr *, struct ifnet *); void in6_purgemkludge (struct ifnet *); struct in6_ifaddr *in6ifa_ifpforlinklocal (struct ifnet *, int); struct in6_ifaddr *in6ifa_ifpwithaddr (struct ifnet *, struct in6_addr *); struct in6_ifaddr *in6ifa_ifplocaladdr(const struct ifnet *, const struct in6_addr *); struct in6_ifaddr *in6ifa_llaonifp(struct ifnet *); char *ip6_sprintf (const struct in6_addr *); int in6_addr2zoneid(struct ifnet *, struct in6_addr *, u_int32_t *); int in6_matchlen (struct in6_addr *, struct in6_addr *); int in6_are_prefix_equal(struct in6_addr *p1, struct in6_addr *p2, int len); void in6_prefixlen2mask(struct in6_addr *maskp, int len); void in6_newaddrmsg(struct ifaddr *); void in6_ifremloop(struct ifaddr *); void in6_ifaddloop(struct ifaddr *); int in6_is_addr_deprecated (struct sockaddr_in6 *); struct inpcb; int in6_embedscope (struct in6_addr *, const struct sockaddr_in6 *, struct inpcb *, struct ifnet **); int in6_recoverscope (struct sockaddr_in6 *, const struct in6_addr *, struct ifnet *); void in6_clearscope (struct in6_addr *); int in6_src_ioctl (u_long, caddr_t); #endif /* _KERNEL */ #endif /* _NETINET6_IN6_VAR_H_ */