/* $OpenBSD: in6_var.h,v 1.85 2026/03/22 23:14:00 bluhm Exp $ */ /* $KAME: in6_var.h,v 1.55 2001/02/16 12:49:45 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_ /* * Locks used to protect struct members in this file: * I immutable after creation * m multicast if_maddrlock rwlock of parent interface */ /* * 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 */ }; #ifdef _KERNEL 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_gwaddr; /* router we learned address from */ struct sockaddr_in6 ia_dstaddr; /* space for destination addr */ struct sockaddr_in6 ia_prefixmask; /* prefix mask */ TAILQ_ENTRY(in6_ifaddr) ia_list; /* list of IP6 addresses */ int ia6_flags; struct in6_addrlifetime ia6_lifetime; time_t ia6_updatetime; /* multicast addresses joined from the kernel */ LIST_HEAD(, in6_multi_mship) ia6_memberships; }; #endif /* _KERNEL */ /* * IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12). */ struct in6_ifstat { u_int64_t ifs6_in_receive; /* # of total input datagram */ u_int64_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */ u_int64_t ifs6_in_toobig; /* # of datagrams exceeded MTU */ u_int64_t ifs6_in_noroute; /* # of datagrams with no route */ u_int64_t ifs6_in_addrerr; /* # of datagrams with invalid dst */ u_int64_t ifs6_in_protounknown; /* # of datagrams with unknown proto */ /* NOTE: increment on final dst if */ u_int64_t ifs6_in_truncated; /* # of truncated datagrams */ u_int64_t ifs6_in_discard; /* # of discarded datagrams */ /* NOTE: fragment timeout is not here */ u_int64_t ifs6_in_deliver; /* # of datagrams delivered to ULP */ /* NOTE: increment on final dst if */ u_int64_t ifs6_out_forward; /* # of datagrams forwarded */ /* NOTE: increment on outgoing if */ u_int64_t ifs6_out_request; /* # of outgoing datagrams from ULP */ /* NOTE: does not include forwards */ u_int64_t ifs6_out_discard; /* # of discarded datagrams */ u_int64_t ifs6_out_fragok; /* # of datagrams fragmented */ u_int64_t ifs6_out_fragfail; /* # of datagrams failed on fragment */ u_int64_t ifs6_out_fragcreat; /* # of fragment datagrams */ /* NOTE: this is # after fragment */ u_int64_t ifs6_reass_reqd; /* # of incoming fragmented packets */ /* NOTE: increment on final dst if */ u_int64_t ifs6_reass_ok; /* # of reassembled packets */ /* NOTE: this is # after reass */ /* NOTE: increment on final dst if */ u_int64_t ifs6_reass_fail; /* # of reass failures */ /* NOTE: may not be packet count */ /* NOTE: increment on final dst if */ u_int64_t ifs6_in_mcast; /* # of inbound multicast datagrams */ u_int64_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_int64_t ifs6_in_msg; /* ipv6IfIcmpInErrors, # of input error messages */ u_int64_t ifs6_in_error; /* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */ u_int64_t ifs6_in_dstunreach; /* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */ u_int64_t ifs6_in_adminprohib; /* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */ u_int64_t ifs6_in_timeexceed; /* ipv6IfIcmpInParmProblems, # of input parameter problem errors */ u_int64_t ifs6_in_paramprob; /* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */ u_int64_t ifs6_in_pkttoobig; /* ipv6IfIcmpInEchos, # of input echo requests */ u_int64_t ifs6_in_echo; /* ipv6IfIcmpInEchoReplies, # of input echo replies */ u_int64_t ifs6_in_echoreply; /* ipv6IfIcmpInRouterSolicits, # of input router solicitations */ u_int64_t ifs6_in_routersolicit; /* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */ u_int64_t ifs6_in_routeradvert; /* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */ u_int64_t ifs6_in_neighborsolicit; /* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */ u_int64_t ifs6_in_neighboradvert; /* ipv6IfIcmpInRedirects, # of input redirects */ u_int64_t ifs6_in_redirect; /* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */ u_int64_t ifs6_in_mldquery; /* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */ u_int64_t ifs6_in_mldreport; /* ipv6IfIcmpInGroupMembReductions, # of input MLD done */ u_int64_t ifs6_in_mlddone; /* * Output statistics. We should solve unresolved routing problem... */ /* ipv6IfIcmpOutMsgs, total # of output messages */ u_int64_t ifs6_out_msg; /* ipv6IfIcmpOutErrors, # of output error messages */ u_int64_t ifs6_out_error; /* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */ u_int64_t ifs6_out_dstunreach; /* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */ u_int64_t ifs6_out_adminprohib; /* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */ u_int64_t ifs6_out_timeexceed; /* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */ u_int64_t ifs6_out_paramprob; /* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */ u_int64_t ifs6_out_pkttoobig; /* ipv6IfIcmpOutEchos, # of output echo requests */ u_int64_t ifs6_out_echo; /* ipv6IfIcmpOutEchoReplies, # of output echo replies */ u_int64_t ifs6_out_echoreply; /* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */ u_int64_t ifs6_out_routersolicit; /* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */ u_int64_t ifs6_out_routeradvert; /* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */ u_int64_t ifs6_out_neighborsolicit; /* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */ u_int64_t ifs6_out_neighboradvert; /* ipv6IfIcmpOutRedirects, # of output redirects */ u_int64_t ifs6_out_redirect; /* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */ u_int64_t ifs6_out_mldquery; /* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */ u_int64_t ifs6_out_mldreport; /* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */ u_int64_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; } ifr_ifru; }; struct in6_aliasreq { char ifra_name[IFNAMSIZ]; union { struct sockaddr_in6 ifrau_addr; int ifrau_align; } ifra_ifrau; #ifndef ifra_addr #define ifra_addr ifra_ifrau.ifrau_addr #endif struct sockaddr_in6 ifra_dstaddr; struct sockaddr_in6 ifra_prefixmask; int ifra_flags; struct in6_addrlifetime ifra_lifetime; }; /* * 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 SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq) #define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq) #define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq) #define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq) #define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq) #define SIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ndireq) #define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo) #define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq) #define SIOCGETSGCNT_IN6 _IOWR('u', 106, struct sioc_sg_req6) #define SIOCGETMIFCNT_IN6 _IOWR('u', 107, struct sioc_mif_req6) #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_AUTOCONF 0x40 /* autoconfigurable address. */ #define IN6_IFF_TEMPORARY 0x80 /* RFC 4941 temporary address */ #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 ) #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) /* * 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 { struct ifmaddr in6m_ifma; /* Protocol-independent info */ #define in6m_refcnt in6m_ifma.ifma_refcnt #define in6m_ifidx in6m_ifma.ifma_ifidx struct sockaddr_in6 in6m_sin; /* [I] IPv6 multicast address */ #define in6m_addr in6m_sin.sin6_addr u_int in6m_state; /* [m] state of membership */ u_int in6m_timer; /* [m] MLD6 membership report */ }; static __inline struct in6_multi * ifmatoin6m(struct ifmaddr *ifma) { return ((struct in6_multi *)(ifma)); } struct in6_multi *in6_lookupmulti(const struct in6_addr *, struct ifnet *); struct in6_multi *in6_addmulti(const struct in6_addr *, struct ifnet *, int *); void in6_delmulti(struct in6_multi *); int in6_hasmulti(const struct in6_addr *, struct ifnet *); struct in6_multi_mship *in6_joingroup(struct ifnet *, const struct in6_addr *, int *); void in6_leavegroup(struct in6_multi_mship *); int in6_control(struct socket *, u_long, caddr_t, struct ifnet *); int in6_ioctl(u_long, caddr_t, struct ifnet *, int); int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, struct in6_ifaddr *); void in6_purgeaddr(struct ifaddr *); int in6if_do_dad(struct ifnet *); struct in6_ifaddr *in6ifa_ifpforlinklocal(struct ifnet *, int); struct in6_ifaddr *in6ifa_ifpwithaddr(struct ifnet *, struct in6_addr *); int in6_addr2scopeid(unsigned int, const struct in6_addr *); int in6_matchlen(const struct in6_addr *, const struct in6_addr *); void in6_prefixlen2mask(struct in6_addr *, int); #endif /* _KERNEL */ #endif /* _NETINET6_IN6_VAR_H_ */
