652 lines
24 KiB
C
652 lines
24 KiB
C
/* $NetBSD: in6_var.h,v 1.5 1999/12/13 15:17:22 itojun Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1985, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)in_var.h 8.1 (Berkeley) 6/10/93
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*/
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#ifndef _NETINET6_IN6_VAR_H_
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#define _NETINET6_IN6_VAR_H_
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/*
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* Interface address, Internet version. One of these structures
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* is allocated for each interface with an Internet address.
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* The ifaddr structure contains the protocol-independent part
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* of the structure and is assumed to be first.
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*/
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/*
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* pltime/vltime are just for future reference (required to implements 2
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* hour rule for hosts). they should never be modified by nd6_timeout or
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* anywhere else.
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* userland -> kernel: accept pltime/vltime
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* kernel -> userland: throuw up everything
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* in kernel: modify preferred/expire only
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*/
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struct in6_addrlifetime {
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time_t ia6t_expire; /* valid lifetime expiration time */
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time_t ia6t_preferred; /* preferred lifetime expiration time */
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u_int32_t ia6t_vltime; /* valid lifetime */
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u_int32_t ia6t_pltime; /* prefix lifetime */
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};
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struct in6_ifaddr {
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struct ifaddr ia_ifa; /* protocol-independent info */
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#define ia_ifp ia_ifa.ifa_ifp
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#define ia_flags ia_ifa.ifa_flags
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struct sockaddr_in6 ia_addr; /* interface address */
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struct sockaddr_in6 ia_net; /* network number of interface */
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struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
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struct sockaddr_in6 ia_prefixmask; /* prefix mask */
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u_int32_t ia_plen; /* prefix length */
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struct in6_ifaddr *ia_next; /* next in6 list of IP6 addresses */
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#if !(defined(__FreeBSD__) && __FreeBSD__ >= 3)
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LIST_HEAD(in6_multihead, in6_multi) ia6_multiaddrs;
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/* list of multicast addresses */
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#endif
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int ia6_flags;
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struct in6_addrlifetime ia6_lifetime; /* NULL = infty */
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struct ifprefix *ia6_ifpr; /* back pointer to ifprefix */
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};
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/*
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* IPv6 interface statistics, as defined in RFC2465 Ipv6IfStatsEntry (p12).
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*/
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struct in6_ifstat {
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u_quad_t ifs6_in_receive; /* # of total input datagram */
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u_quad_t ifs6_in_hdrerr; /* # of datagrams with invalid hdr */
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u_quad_t ifs6_in_toobig; /* # of datagrams exceeded MTU */
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u_quad_t ifs6_in_noroute; /* # of datagrams with no route */
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u_quad_t ifs6_in_addrerr; /* # of datagrams with invalid dst */
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u_quad_t ifs6_in_protounknown; /* # of datagrams with unknown proto */
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/* NOTE: increment on final dst if */
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u_quad_t ifs6_in_truncated; /* # of truncated datagrams */
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u_quad_t ifs6_in_discard; /* # of discarded datagrams */
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/* NOTE: fragment timeout is not here */
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u_quad_t ifs6_in_deliver; /* # of datagrams delivered to ULP */
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/* NOTE: increment on final dst if */
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u_quad_t ifs6_out_forward; /* # of datagrams forwarded */
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/* NOTE: increment on outgoing if */
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u_quad_t ifs6_out_request; /* # of outgoing datagrams from ULP */
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/* NOTE: does not include forwrads */
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u_quad_t ifs6_out_discard; /* # of discarded datagrams */
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u_quad_t ifs6_out_fragok; /* # of datagrams fragmented */
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u_quad_t ifs6_out_fragfail; /* # of datagrams failed on fragment */
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u_quad_t ifs6_out_fragcreat; /* # of fragment datagrams */
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/* NOTE: this is # after fragment */
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u_quad_t ifs6_reass_reqd; /* # of incoming fragmented packets */
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/* NOTE: increment on final dst if */
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u_quad_t ifs6_reass_ok; /* # of reassembled packets */
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/* NOTE: this is # after reass */
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/* NOTE: increment on final dst if */
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u_quad_t ifs6_reass_fail; /* # of reass failures */
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/* NOTE: may not be packet count */
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/* NOTE: increment on final dst if */
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u_quad_t ifs6_in_mcast; /* # of inbound multicast datagrams */
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u_quad_t ifs6_out_mcast; /* # of outbound multicast datagrams */
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};
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/*
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* ICMPv6 interface statistics, as defined in RFC2466 Ipv6IfIcmpEntry.
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* XXX: I'm not sure if this file is the right place for this structure...
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*/
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struct icmp6_ifstat {
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/*
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* Input statistics
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*/
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/* ipv6IfIcmpInMsgs, total # of input messages */
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u_quad_t ifs6_in_msg;
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/* ipv6IfIcmpInErrors, # of input error messages */
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u_quad_t ifs6_in_error;
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/* ipv6IfIcmpInDestUnreachs, # of input dest unreach errors */
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u_quad_t ifs6_in_dstunreach;
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/* ipv6IfIcmpInAdminProhibs, # of input administratively prohibited errs */
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u_quad_t ifs6_in_adminprohib;
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/* ipv6IfIcmpInTimeExcds, # of input time exceeded errors */
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u_quad_t ifs6_in_timeexceed;
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/* ipv6IfIcmpInParmProblems, # of input parameter problem errors */
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u_quad_t ifs6_in_paramprob;
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/* ipv6IfIcmpInPktTooBigs, # of input packet too big errors */
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u_quad_t ifs6_in_pkttoobig;
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/* ipv6IfIcmpInEchos, # of input echo requests */
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u_quad_t ifs6_in_echo;
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/* ipv6IfIcmpInEchoReplies, # of input echo replies */
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u_quad_t ifs6_in_echoreply;
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/* ipv6IfIcmpInRouterSolicits, # of input router solicitations */
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u_quad_t ifs6_in_routersolicit;
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/* ipv6IfIcmpInRouterAdvertisements, # of input router advertisements */
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u_quad_t ifs6_in_routeradvert;
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/* ipv6IfIcmpInNeighborSolicits, # of input neighbor solicitations */
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u_quad_t ifs6_in_neighborsolicit;
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/* ipv6IfIcmpInNeighborAdvertisements, # of input neighbor advertisements */
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u_quad_t ifs6_in_neighboradvert;
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/* ipv6IfIcmpInRedirects, # of input redirects */
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u_quad_t ifs6_in_redirect;
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/* ipv6IfIcmpInGroupMembQueries, # of input MLD queries */
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u_quad_t ifs6_in_mldquery;
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/* ipv6IfIcmpInGroupMembResponses, # of input MLD reports */
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u_quad_t ifs6_in_mldreport;
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/* ipv6IfIcmpInGroupMembReductions, # of input MLD done */
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u_quad_t ifs6_in_mlddone;
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/*
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* Output statistics. We should solve unresolved routing problem...
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*/
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/* ipv6IfIcmpOutMsgs, total # of output messages */
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u_quad_t ifs6_out_msg;
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/* ipv6IfIcmpOutErrors, # of output error messages */
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u_quad_t ifs6_out_error;
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/* ipv6IfIcmpOutDestUnreachs, # of output dest unreach errors */
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u_quad_t ifs6_out_dstunreach;
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/* ipv6IfIcmpOutAdminProhibs, # of output administratively prohibited errs */
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u_quad_t ifs6_out_adminprohib;
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/* ipv6IfIcmpOutTimeExcds, # of output time exceeded errors */
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u_quad_t ifs6_out_timeexceed;
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/* ipv6IfIcmpOutParmProblems, # of output parameter problem errors */
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u_quad_t ifs6_out_paramprob;
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/* ipv6IfIcmpOutPktTooBigs, # of output packet too big errors */
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u_quad_t ifs6_out_pkttoobig;
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/* ipv6IfIcmpOutEchos, # of output echo requests */
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u_quad_t ifs6_out_echo;
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/* ipv6IfIcmpOutEchoReplies, # of output echo replies */
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u_quad_t ifs6_out_echoreply;
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/* ipv6IfIcmpOutRouterSolicits, # of output router solicitations */
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u_quad_t ifs6_out_routersolicit;
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/* ipv6IfIcmpOutRouterAdvertisements, # of output router advertisements */
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u_quad_t ifs6_out_routeradvert;
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/* ipv6IfIcmpOutNeighborSolicits, # of output neighbor solicitations */
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u_quad_t ifs6_out_neighborsolicit;
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/* ipv6IfIcmpOutNeighborAdvertisements, # of output neighbor advertisements */
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u_quad_t ifs6_out_neighboradvert;
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/* ipv6IfIcmpOutRedirects, # of output redirects */
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u_quad_t ifs6_out_redirect;
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/* ipv6IfIcmpOutGroupMembQueries, # of output MLD queries */
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u_quad_t ifs6_out_mldquery;
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/* ipv6IfIcmpOutGroupMembResponses, # of output MLD reports */
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u_quad_t ifs6_out_mldreport;
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/* ipv6IfIcmpOutGroupMembReductions, # of output MLD done */
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u_quad_t ifs6_out_mlddone;
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};
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struct in6_ifreq {
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char ifr_name[IFNAMSIZ];
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union {
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struct sockaddr_in6 ifru_addr;
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struct sockaddr_in6 ifru_dstaddr;
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short ifru_flags;
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int ifru_flags6;
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int ifru_metric;
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caddr_t ifru_data;
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struct in6_addrlifetime ifru_lifetime;
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struct in6_ifstat ifru_stat;
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struct icmp6_ifstat ifru_icmp6stat;
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} ifr_ifru;
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};
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struct in6_aliasreq {
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char ifra_name[IFNAMSIZ];
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struct sockaddr_in6 ifra_addr;
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struct sockaddr_in6 ifra_dstaddr;
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struct sockaddr_in6 ifra_prefixmask;
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int ifra_flags;
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struct in6_addrlifetime ifra_lifetime;
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};
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/* prefix type macro */
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#define IN6_PREFIX_ND 1
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#define IN6_PREFIX_RR 2
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/*
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* prefix related flags passed between kernel(NDP related part) and
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* user land command(ifconfig) and daemon(rtadvd).
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*/
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struct in6_prflags {
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struct prf_ra {
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u_char onlink : 1;
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u_char autonomous : 1;
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u_char reserved : 6;
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} prf_ra;
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u_char prf_reserved1;
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u_short prf_reserved2;
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/* want to put this on 4byte offset */
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struct prf_rr {
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u_char decrvalid : 1;
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u_char decrprefd : 1;
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u_char reserved : 6;
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} prf_rr;
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u_char prf_reserved3;
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u_short prf_reserved4;
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};
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struct in6_prefixreq {
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char ipr_name[IFNAMSIZ];
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u_char ipr_origin;
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u_char ipr_plen;
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u_int32_t ipr_vltime;
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u_int32_t ipr_pltime;
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struct in6_prflags ipr_flags;
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struct sockaddr_in6 ipr_prefix;
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};
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#define PR_ORIG_RA 0
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#define PR_ORIG_RR 1
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#define PR_ORIG_STATIC 2
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#define PR_ORIG_KERNEL 3
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#define ipr_raf_onlink ipr_flags.prf_ra.onlink
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#define ipr_raf_auto ipr_flags.prf_ra.autonomous
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#define ipr_statef_onlink ipr_flags.prf_state.onlink
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#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
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#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
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struct in6_rrenumreq {
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char irr_name[IFNAMSIZ];
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u_char irr_origin;
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u_char irr_m_len; /* match len for matchprefix */
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u_char irr_m_minlen; /* minlen for matching prefix */
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u_char irr_m_maxlen; /* maxlen for matching prefix */
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u_char irr_u_uselen; /* uselen for adding prefix */
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u_char irr_u_keeplen; /* keeplen from matching prefix */
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struct irr_raflagmask {
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u_char onlink : 1;
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u_char autonomous : 1;
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u_char reserved : 6;
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} irr_raflagmask;
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u_int32_t irr_vltime;
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u_int32_t irr_pltime;
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struct in6_prflags irr_flags;
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struct sockaddr_in6 irr_matchprefix;
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struct sockaddr_in6 irr_useprefix;
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};
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#define irr_raf_mask_onlink irr_raflagmask.onlink
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#define irr_raf_mask_auto irr_raflagmask.autonomous
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#define irr_raf_mask_reserved irr_raflagmask.reserved
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#define irr_raf_onlink irr_flags.prf_ra.onlink
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#define irr_raf_auto irr_flags.prf_ra.autonomous
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#define irr_statef_onlink irr_flags.prf_state.onlink
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#define irr_rrf irr_flags.prf_rr
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#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
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#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
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/*
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* Given a pointer to an in6_ifaddr (ifaddr),
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* return a pointer to the addr as a sockaddr_in6
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*/
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#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
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#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
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#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
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#define IA6_SIN6(ia) (&((ia)->ia_addr))
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#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
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#define IFA_IN6(x) (&((struct sockaddr_in6 *)((x)->ifa_addr))->sin6_addr)
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#define IFA_DSTIN6(x) (&((struct sockaddr_in6 *)((x)->ifa_dstaddr))->sin6_addr)
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#define IFPR_IN6(x) (&((struct sockaddr_in6 *)((x)->ifpr_prefix))->sin6_addr)
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#ifdef _KERNEL
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#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
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(((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
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(((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
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(((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
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(((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0 )
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#endif
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#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
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#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
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#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
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#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
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#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
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#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
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#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
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#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
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#define SIOCSIFPHYADDR_IN6 _IOW('i', 70, struct in6_aliasreq)
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#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 71, struct in6_ifreq)
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#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 72, struct in6_ifreq)
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#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
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#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
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#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist)
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#define SIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ndireq)
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#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
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#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
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#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
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#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
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#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
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#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
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#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
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#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
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#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
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#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
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|
|
#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
|
|
#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
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|
#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
|
|
#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
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|
#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 */
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|
|
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#define IN6_IFF_ANYCAST 0x01 /* anycast address */
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|
#define IN6_IFF_TENTATIVE 0x02 /* tentative address */
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|
#define IN6_IFF_DUPLICATED 0x04 /* DAD detected duplicate */
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#define IN6_IFF_DETACHED 0x08 /* may be detached from the link */
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|
#define IN6_IFF_DEPRECATED 0x10 /* deprecated address */
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|
|
|
/* do not input/output */
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|
#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
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|
#ifdef _KERNEL
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|
extern struct in6_ifaddr *in6_ifaddr;
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|
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|
extern struct in6_ifstat **in6_ifstat;
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|
extern size_t in6_ifstatmax;
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|
extern struct icmp6stat icmp6stat;
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|
extern struct icmp6_ifstat **icmp6_ifstat;
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|
extern size_t icmp6_ifstatmax;
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|
#define in6_ifstat_inc(ifp, tag) \
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|
do { \
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|
if ((ifp) && (ifp)->if_index <= if_index \
|
|
&& (ifp)->if_index < in6_ifstatmax \
|
|
&& in6_ifstat && in6_ifstat[(ifp)->if_index]) { \
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|
in6_ifstat[(ifp)->if_index]->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;
|
|
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
|
|
#ifdef MALLOC_DECLARE
|
|
MALLOC_DECLARE(M_IPMADDR);
|
|
#endif /* MALLOC_DECLARE */
|
|
#endif
|
|
|
|
/*
|
|
* Macro for finding the internet address structure (in6_ifaddr) corresponding
|
|
* to a given interface (ifnet structure).
|
|
*/
|
|
#if defined(__bsdi__) || (defined(__FreeBSD__) && __FreeBSD__ < 3)
|
|
|
|
#define IFP_TO_IA6(ifp, ia) \
|
|
/* struct ifnet *ifp; */ \
|
|
/* struct in6_ifaddr *ia; */ \
|
|
do { \
|
|
struct ifaddr *ifa; \
|
|
for (ifa = (ifp)->if_addrlist; ifa; ifa = ifa->ifa_next) { \
|
|
if (!ifa->ifa_addr) \
|
|
continue; \
|
|
if (ifa->ifa_addr->sa_family == AF_INET6) \
|
|
break; \
|
|
} \
|
|
(ia) = (struct in6_ifaddr *)ifa; \
|
|
} while (0)
|
|
|
|
#else
|
|
|
|
#define IFP_TO_IA6(ifp, ia) \
|
|
/* struct ifnet *ifp; */ \
|
|
/* struct in6_ifaddr *ia; */ \
|
|
do { \
|
|
struct ifaddr *ifa; \
|
|
for (ifa = (ifp)->if_addrlist.tqh_first; ifa; ifa = ifa->ifa_list.tqe_next) { \
|
|
if (!ifa->ifa_addr) \
|
|
continue; \
|
|
if (ifa->ifa_addr->sa_family == AF_INET6) \
|
|
break; \
|
|
} \
|
|
(ia) = (struct in6_ifaddr *)ifa; \
|
|
} while (0)
|
|
#endif /* _KERNEL */
|
|
|
|
#endif
|
|
|
|
/*
|
|
* 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 */
|
|
#if !(defined(__FreeBSD__) && __FreeBSD__ >= 3)
|
|
struct in6_ifaddr *in6m_ia; /* back pointer to in6_ifaddr */
|
|
#else
|
|
struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
|
|
#endif
|
|
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
|
|
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
|
|
extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
|
|
#endif
|
|
|
|
/*
|
|
* Structure used by macros below to remember position when stepping through
|
|
* all of eht 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 NLL.
|
|
*/
|
|
|
|
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
|
|
|
|
#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \
|
|
/* struct in6_addr addr; */ \
|
|
/* struct ifnet *ifp; */ \
|
|
/* struct in6_multi *in6m; */ \
|
|
do { \
|
|
register struct ifmultiaddr *ifma; \
|
|
for (ifma = (ifp)->if_multiaddrs.lh_first; ifma; \
|
|
ifma = ifma->ifma_link.le_next) { \
|
|
if (ifma->ifma_addr->sa_family == AF_INET6 \
|
|
&& IN6_ARE_ADDR_EQUAL(&((struct sockaddr_in6 *)ifma->ifma_addr)->sin6_addr, \
|
|
&(addr))) \
|
|
break; \
|
|
} \
|
|
(in6m) = (struct in6_multi *)(ifma ? ifma->ifma_protospec : 0); \
|
|
} 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.
|
|
*/
|
|
#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)
|
|
|
|
#else /* not FreeBSD3 */
|
|
|
|
#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \
|
|
/* struct in6_addr addr; */ \
|
|
/* struct ifnet *ifp; */ \
|
|
/* struct in6_multi *in6m; */ \
|
|
do { \
|
|
register struct in6_ifaddr *ia; \
|
|
\
|
|
IFP_TO_IA6((ifp), ia); \
|
|
if (ia == NULL) \
|
|
(in6m) = NULL; \
|
|
else \
|
|
for ((in6m) = ia->ia6_multiaddrs.lh_first; \
|
|
(in6m) != NULL && \
|
|
!IN6_ARE_ADDR_EQUAL(&(in6m)->in6m_addr, &(addr)); \
|
|
(in6m) = in6m->in6m_entry.le_next) \
|
|
continue; \
|
|
} 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.
|
|
*/
|
|
#define IN6_NEXT_MULTI(step, in6m) \
|
|
/* struct in6_multistep step; */ \
|
|
/* struct in6_multi *in6m; */ \
|
|
do { \
|
|
if (((in6m) = (step).i_in6m) != NULL) \
|
|
(step).i_in6m = (in6m)->in6m_entry.le_next; \
|
|
else \
|
|
while ((step).i_ia != NULL) { \
|
|
(in6m) = (step).i_ia->ia6_multiaddrs.lh_first; \
|
|
(step).i_ia = (step).i_ia->ia_next; \
|
|
if ((in6m) != NULL) { \
|
|
(step).i_in6m = (in6m)->in6m_entry.le_next; \
|
|
break; \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
#define IN6_FIRST_MULTI(step, in6m) \
|
|
/* struct in6_multistep step; */ \
|
|
/* struct in6_multi *in6m */ \
|
|
do { \
|
|
(step).i_ia = in6_ifaddr; \
|
|
(step).i_in6m = NULL; \
|
|
IN6_NEXT_MULTI((step), (in6m)); \
|
|
} while (0)
|
|
|
|
#endif /* not FreeBSD3 */
|
|
|
|
int in6_ifinit __P((struct ifnet *,
|
|
struct in6_ifaddr *, struct sockaddr_in6 *, int));
|
|
struct in6_multi *in6_addmulti __P((struct in6_addr *, struct ifnet *,
|
|
int *));
|
|
void in6_delmulti __P((struct in6_multi *));
|
|
void in6_ifscrub __P((struct ifnet *, struct in6_ifaddr *));
|
|
extern int in6_ifindex2scopeid __P((int));
|
|
extern int in6_mask2len __P((struct in6_addr *));
|
|
extern void in6_len2mask __P((struct in6_addr *, int));
|
|
#if !defined(__bsdi__) && !(defined(__FreeBSD__) && __FreeBSD__ < 3)
|
|
int in6_control __P((struct socket *,
|
|
u_long, caddr_t, struct ifnet *, struct proc *));
|
|
#else
|
|
int in6_control __P((struct socket *, u_long, caddr_t, struct ifnet *));
|
|
#endif
|
|
void in6_savemkludge __P((struct in6_ifaddr *));
|
|
void in6_setmaxmtu __P((void));
|
|
void in6_restoremkludge __P((struct in6_ifaddr *, struct ifnet *));
|
|
struct in6_ifaddr *in6ifa_ifpforlinklocal __P((struct ifnet *));
|
|
struct in6_ifaddr *in6ifa_ifpwithaddr __P((struct ifnet *,
|
|
struct in6_addr *));
|
|
char *ip6_sprintf __P((struct in6_addr *));
|
|
int in6_matchlen __P((struct in6_addr *, struct in6_addr *));
|
|
int in6_are_prefix_equal __P((struct in6_addr *p1, struct in6_addr *p2,
|
|
int len));
|
|
void in6_prefixlen2mask __P((struct in6_addr *maskp, int len));
|
|
int in6_prefix_ioctl __P((struct socket *so, u_long cmd, caddr_t data,
|
|
struct ifnet *ifp));
|
|
int in6_prefix_add_ifid __P((int iilen, struct in6_ifaddr *ia));
|
|
void in6_prefix_remove_ifid __P((int iilen, struct in6_ifaddr *ia));
|
|
#endif /* _KERNEL */
|
|
|
|
#endif /* _NETINET6_IN6_VAR_H_ */
|