| /*- |
| * 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. |
| * |
| * $KAME: in6_var.h,v 1.56 2001/03/29 05:34:31 itojun Exp $ |
| */ |
| |
| /*- |
| * 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. |
| * 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 |
| * $FreeBSD: src/sys/netinet6/in6_var.h,v 1.45.2.1.2.1 2009/10/25 01:10:29 kensmith Exp $ |
| */ |
| |
| #ifndef _BSD_NETINET6_IN6_VAR_H_ |
| #define _BSD_NETINET6_IN6_VAR_H_ |
| |
| #include <sys/bsd_tree.h> |
| |
| #ifdef _FREEBSD_KERNEL |
| #include <sys/bsd_libkern.h> |
| #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 lltable; |
| struct mld_ifinfo; |
| |
| struct in6_ifextra { |
| struct in6_ifstat *in6_ifstat; |
| struct icmp6_ifstat *icmp6_ifstat; |
| struct nd_ifinfo *nd_ifinfo; |
| struct scope6_id *scope6_id; |
| struct lltable *lltable; |
| struct mld_ifinfo *mld_ifinfo; |
| }; |
| |
| #define LLTABLE6(ifp) (((struct in6_ifextra *)(ifp)->if_afdata[AF_INET6])->lltable) |
| |
| 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) ia_link; /* list of IPv6 addresses */ |
| int ia6_flags; |
| |
| struct in6_addrlifetime ia6_lifetime; |
| time_t ia6_createtime; /* the creation time of this address, which is |
| * currently used for temporary addresses only. |
| */ |
| time_t ia6_updatetime; |
| |
| /* back pointer to the ND prefix (for autoconfigured addresses only) */ |
| struct nd_prefix *ia6_ndpr; |
| |
| /* multicast addresses joined from the kernel */ |
| LIST_HEAD(, in6_multi_mship) ia6_memberships; |
| }; |
| |
| /* List of in6_ifaddr's. */ |
| TAILQ_HEAD(in6_ifaddrhead, in6_ifaddr); |
| |
| /* 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; |
| int 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_FREEBSD_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 _FREEBSD_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 _FREEBSD_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) |
| #ifdef _FREEBSD_KERNEL |
| /* XXX: SIOCGPRLST_IN6 is exposed in KAME but in6_oprlist is not. */ |
| #define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_oprlist) |
| #endif |
| #ifdef _FREEBSD_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 _FREEBSD_KERNEL |
| #define IN6_ARE_SCOPE_CMP(a,b) ((a)-(b)) |
| #define IN6_ARE_SCOPE_EQUAL(a,b) ((a)==(b)) |
| #endif |
| |
| #ifdef _FREEBSD_KERNEL |
| VNET_DECLARE(struct in6_ifaddrhead, in6_ifaddrhead); |
| VNET_DECLARE(struct icmp6stat, icmp6stat); |
| VNET_DECLARE(unsigned long, in6_maxmtu); |
| |
| #define V_in6_ifaddrhead VNET(in6_ifaddrhead) |
| #define V_icmp6stat VNET(icmp6stat) |
| #define V_in6_maxmtu VNET(in6_maxmtu) |
| |
| extern struct rwlock in6_ifaddr_lock; |
| #define IN6_IFADDR_LOCK_ASSERT( ) rw_assert(&in6_ifaddr_lock, RA_LOCKED) |
| #define IN6_IFADDR_RLOCK() rw_rlock(&in6_ifaddr_lock) |
| #define IN6_IFADDR_RLOCK_ASSERT() rw_assert(&in6_ifaddr_lock, RA_RLOCKED) |
| #define IN6_IFADDR_RUNLOCK() rw_runlock(&in6_ifaddr_lock) |
| #define IN6_IFADDR_WLOCK() rw_wlock(&in6_ifaddr_lock) |
| #define IN6_IFADDR_WLOCK_ASSERT() rw_assert(&in6_ifaddr_lock, RA_WLOCKED) |
| #define IN6_IFADDR_WUNLOCK() rw_wunlock(&in6_ifaddr_lock) |
| |
| #define in6_ifstat_inc(ifp, tag) \ |
| do { \ |
| if (ifp) \ |
| ((struct in6_ifextra *)((ifp)->if_afdata[AF_INET6]))->in6_ifstat->tag++; \ |
| } while (/*CONSTCOND*/ 0) |
| |
| extern struct in6_addr zeroin6_addr; |
| extern u_char inet6ctlerrmap[]; |
| #endif /* _FREEBSD_KERNEL */ |
| |
| /* |
| * 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); |
| |
| /* |
| * 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 */ |
| }; |
| |
| #ifdef _FREEBSD_KERNEL |
| /* |
| * IPv6 source tree comparison function. |
| * |
| * An ordered predicate is necessary; bcmp() is not documented to return |
| * an indication of order, memcmp() is, and is an ISO C99 requirement. |
| */ |
| static __inline int |
| ip6_msource_cmp(const struct ip6_msource *a, const struct ip6_msource *b) |
| { |
| |
| return (memcmp(&a->im6s_addr, &b->im6s_addr, sizeof(struct in6_addr))); |
| } |
| RB_PROTOTYPE(ip6_msource_tree, ip6_msource, im6s_link, ip6_msource_cmp); |
| #endif /* _FREEBSD_KERNEL */ |
| |
| /* |
| * 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; |
| LIST_ENTRY(in6_multi_mship) i6mm_chain; |
| }; |
| |
| /* |
| * 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. |
| * |
| * FUTURE: in6m_link is now only used when groups are being purged |
| * on a detaching ifnet. It could be demoted to a SLIST_ENTRY, but |
| * because it is at the very start of the struct, we can't do this |
| * w/o breaking the ABI for ifmcstat. |
| */ |
| struct in6_multi { |
| LIST_ENTRY(in6_multi) in6m_entry; /* list glue */ |
| struct in6_addr in6m_addr; /* IPv6 multicast address */ |
| struct ifnet *in6m_ifp; /* back pointer to ifnet */ |
| struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */ |
| u_int in6m_refcount; /* reference count */ |
| 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_nrele; /* to-be-released by MLD */ |
| struct ip6_msource_tree in6m_srcs; /* tree of sources */ |
| u_long in6m_nsrc; /* # of tree entries */ |
| |
| struct ifqueue in6m_scq; /* queue of 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 */ |
| }; |
| |
| /* |
| * Helper function to derive the filter mode on a source entry |
| * from its internal counters. Predicates are: |
| * A source is only excluded if all listeners exclude it. |
| * A source is only included if no listeners exclude it, |
| * and at least one listener includes it. |
| * May be used by ifmcstat(8). |
| */ |
| static __inline uint8_t |
| im6s_get_mode(const struct in6_multi *inm, const struct ip6_msource *ims, |
| uint8_t t) |
| { |
| |
| t = !!t; |
| if (inm->in6m_st[t].iss_ex > 0 && |
| inm->in6m_st[t].iss_ex == ims->im6s_st[t].ex) |
| return (MCAST_EXCLUDE); |
| else if (ims->im6s_st[t].in > 0 && ims->im6s_st[t].ex == 0) |
| return (MCAST_INCLUDE); |
| return (MCAST_UNDEFINED); |
| } |
| |
| #ifdef _FREEBSD_KERNEL |
| |
| /* |
| * Lock macros for IPv6 layer multicast address lists. IPv6 lock goes |
| * before link layer multicast locks in the lock order. In most cases, |
| * consumers of IN_*_MULTI() macros should acquire the locks before |
| * calling them; users of the in_{add,del}multi() functions should not. |
| */ |
| extern struct mtx in6_multi_mtx; |
| #define IN6_MULTI_LOCK() mtx_lock(&in6_multi_mtx) |
| #define IN6_MULTI_UNLOCK() mtx_unlock(&in6_multi_mtx) |
| #define IN6_MULTI_LOCK_ASSERT() mtx_assert(&in6_multi_mtx, MA_OWNED) |
| #define IN6_MULTI_UNLOCK_ASSERT() mtx_assert(&in6_multi_mtx, MA_NOTOWNED) |
| |
| /* |
| * Look up an in6_multi record for an IPv6 multicast address |
| * on the interface ifp. |
| * If no record found, return NULL. |
| * |
| * SMPng: The IN6_MULTI_LOCK and IF_ADDR_LOCK on ifp must be held. |
| */ |
| static __inline struct in6_multi * |
| in6m_lookup_locked(struct ifnet *ifp, const struct in6_addr *mcaddr) |
| { |
| struct ifmultiaddr *ifma; |
| struct in6_multi *inm; |
| |
| IN6_MULTI_LOCK_ASSERT(); |
| IF_ADDR_LOCK_ASSERT(ifp); |
| |
| inm = NULL; |
| TAILQ_FOREACH(ifma, &((ifp)->if_multiaddrs), ifma_link) { |
| if (ifma->ifma_addr->sa_family == AF_INET6) { |
| inm = (struct in6_multi *)ifma->ifma_protospec; |
| if (IN6_ARE_ADDR_EQUAL(&inm->in6m_addr, mcaddr)) |
| break; |
| inm = NULL; |
| } |
| } |
| return (inm); |
| } |
| |
| /* |
| * Wrapper for in6m_lookup_locked(). |
| * |
| * SMPng: Assumes that neithr the IN6_MULTI_LOCK() or IF_ADDR_LOCK() are held. |
| */ |
| static __inline struct in6_multi * |
| in6m_lookup(struct ifnet *ifp, const struct in6_addr *mcaddr) |
| { |
| struct in6_multi *inm; |
| |
| IN6_MULTI_LOCK(); |
| IF_ADDR_LOCK(ifp); |
| inm = in6m_lookup_locked(ifp, mcaddr); |
| IF_ADDR_UNLOCK(ifp); |
| IN6_MULTI_UNLOCK(); |
| |
| return (inm); |
| } |
| |
| /* Acquire an in6_multi record. */ |
| static __inline void |
| in6m_acquire_locked(struct in6_multi *inm) |
| { |
| |
| IN6_MULTI_LOCK_ASSERT(); |
| ++inm->in6m_refcount; |
| } |
| |
| struct ip6_moptions; |
| struct sockopt; |
| |
| /* Multicast KPIs. */ |
| int im6o_mc_filter(const struct ip6_moptions *, const struct ifnet *, |
| const struct sockaddr *, const struct sockaddr *); |
| int in6_mc_join(struct ifnet *, const struct in6_addr *, |
| struct in6_mfilter *, struct in6_multi **, int); |
| int in6_mc_join_locked(struct ifnet *, const struct in6_addr *, |
| struct in6_mfilter *, struct in6_multi **, int); |
| int in6_mc_leave(struct in6_multi *, struct in6_mfilter *); |
| int in6_mc_leave_locked(struct in6_multi *, struct in6_mfilter *); |
| void in6m_clear_recorded(struct in6_multi *); |
| void in6m_commit(struct in6_multi *); |
| void in6m_print(const struct in6_multi *); |
| int in6m_record_source(struct in6_multi *, const struct in6_addr *); |
| void in6m_release_locked(struct in6_multi *); |
| void ip6_freemoptions(struct ip6_moptions *); |
| int ip6_getmoptions(struct inpcb *, struct sockopt *); |
| int ip6_setmoptions(struct inpcb *, struct sockopt *); |
| |
| /* Legacy KAME multicast KPIs. */ |
| struct in6_multi_mship * |
| in6_joingroup(struct ifnet *, struct in6_addr *, int *, int); |
| int in6_leavegroup(struct in6_multi_mship *); |
| |
| /* flags to in6_update_ifa */ |
| #define IN6_IFAUPDATE_DADDELAY 0x1 /* first time to configure an address */ |
| |
| int in6_mask2len __P((struct in6_addr *, u_char *)); |
| int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *, |
| struct thread *)); |
| int in6_update_ifa __P((struct ifnet *, struct in6_aliasreq *, |
| struct in6_ifaddr *, int)); |
| void in6_purgeaddr __P((struct ifaddr *)); |
| int in6if_do_dad __P((struct ifnet *)); |
| void in6_purgeif __P((struct ifnet *)); |
| void in6_savemkludge __P((struct in6_ifaddr *)); |
| void *in6_domifattach __P((struct ifnet *)); |
| void in6_domifdetach __P((struct ifnet *, void *)); |
| void in6_setmaxmtu __P((void)); |
| int in6_if2idlen __P((struct ifnet *)); |
| struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *, int)); |
| struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *, struct in6_addr *)); |
| char *ip6_sprintf __P((char *, const struct in6_addr *)); |
| int in6_addr2zoneid __P((struct ifnet *, struct in6_addr *, u_int32_t *)); |
| int in6_matchlen __P((struct in6_addr *, struct in6_addr *)); |
| int in6_are_prefix_equal __P((struct in6_addr *, struct in6_addr *, int)); |
| void in6_prefixlen2mask __P((struct in6_addr *, int)); |
| int in6_prefix_ioctl __P((struct socket *, u_long, caddr_t, |
| struct ifnet *)); |
| int in6_prefix_add_ifid __P((int, struct in6_ifaddr *)); |
| void in6_prefix_remove_ifid __P((int, struct in6_ifaddr *)); |
| void in6_purgeprefix __P((struct ifnet *)); |
| void in6_ifremloop(struct ifaddr *); |
| void in6_ifaddloop(struct ifaddr *); |
| |
| int in6_is_addr_deprecated __P((struct sockaddr_in6 *)); |
| struct inpcb; |
| int in6_src_ioctl __P((u_long, caddr_t)); |
| #endif /* _FREEBSD_KERNEL */ |
| |
| #endif /* _BSD_NETINET6_IN6_VAR_H_ */ |