1233 lines
49 KiB
C
1233 lines
49 KiB
C
/*
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* Copyright (c) 2000-2021 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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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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#include <sys/appleapiopts.h>
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#include <net/if_var.h>
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#include <net/net_kev.h>
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#ifdef BSD_KERNEL_PRIVATE
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#include <sys/tree.h>
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#include <sys/mcache.h>
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#endif /* BSD_KERNEL_PRIVATE */
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#include <netinet/in.h>
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#include <netinet6/scope6_var.h>
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#include <sys/kern_event.h>
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#include <net/ethernet.h>
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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: throw 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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#ifdef BSD_KERNEL_PRIVATE
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struct in6_addrlifetime_32 {
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u_int32_t ia6t_expire;
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u_int32_t ia6t_preferred;
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u_int32_t ia6t_vltime;
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u_int32_t ia6t_pltime;
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};
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struct in6_addrlifetime_64 {
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u_int64_t ia6t_expire;
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u_int64_t ia6t_preferred;
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u_int32_t ia6t_vltime;
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u_int32_t ia6t_pltime;
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};
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/*
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* Internal representation of ia6_lifetime (expiration in uptime unit)
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*/
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struct in6_addrlifetime_i {
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u_int64_t ia6ti_expire; /* valid lifetime expiration time */
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u_int64_t ia6ti_preferred; /* preferred lifetime expiration time */
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u_int32_t ia6ti_vltime; /* valid lifetime */
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u_int32_t ia6ti_pltime; /* prefix lifetime */
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u_int64_t ia6ti_base_calendartime; /* calendar time at creation */
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u_int64_t ia6ti_base_uptime; /* uptime at creation */
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};
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/*
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* Interface address, IPv6 version. One of these structures
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* is allocated for each interface with an IPv6 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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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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TAILQ_ENTRY(in6_ifaddr) ia6_link; /* next in6 list of IP6 addresses */
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TAILQ_ENTRY(in6_ifaddr) ia6_hash; /* hash bucket entry */
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int ia6_flags;
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/* cga collision count */
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uint8_t ia6_cga_collision_count;
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struct in6_addrlifetime_i ia6_lifetime;
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/*
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* the creation time of this address, which is
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* currently used for temporary addresses only.
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*/
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u_int64_t ia6_createtime;
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u_int64_t ia6_updatetime;
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/* back pointer to the ND prefix */
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struct nd_prefix *ia6_ndpr;
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/* multicast addresses joined from the kernel */
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LIST_HEAD(, in6_multi_mship) ia6_memberships;
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};
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#define ifatoia6(ifa) ((struct in6_ifaddr *)(void *)(ifa))
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extern TAILQ_HEAD(in6_ifaddrhead, in6_ifaddr) in6_ifaddrhead;
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extern uint32_t in6_ifaddrlist_genid;
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extern TAILQ_HEAD(in6_ifaddrhashhead, in6_ifaddr) * in6_ifaddrhashtbl;
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extern uint32_t in6addr_nhash; /* hash table size */
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extern uint32_t in6addr_hashp; /* next largest prime */
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static __inline uint32_t
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in6addr_hashval(const struct in6_addr *in6)
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{
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/*
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* The hash index is the computed prime times the key modulo
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* the hash size, as documented in "Introduction to Algorithms"
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* (Cormen, Leiserson, Rivest).
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*/
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if (in6addr_nhash > 1) {
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uint32_t x;
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x = in6->s6_addr32[0] ^ in6->s6_addr32[1] ^ in6->s6_addr32[2] ^
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in6->s6_addr32[3];
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return (x * in6addr_hashp) % in6addr_nhash;
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} else {
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return 0;
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}
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}
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#define IN6ADDR_HASH(x) (&in6_ifaddrhashtbl[in6addr_hashval(x)])
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extern lck_mtx_t nd6_mutex_data;
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#define nd6_mutex (&nd6_mutex_data)
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#endif /* BSD_KERNEL_PRIVATE */
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/* control structure to manage address selection policy */
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struct in6_addrpolicy {
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struct sockaddr_in6 addr; /* prefix address */
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struct sockaddr_in6 addrmask; /* prefix mask */
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int preced; /* precedence */
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int label; /* matching label */
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u_quad_t use; /* statistics */
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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_atmfrag_rcvd; /* # of atomic fragments received */
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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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u_quad_t ifs6_cantfoward_icmp6; /* # of ICMPv6 packets received for unreachable dest */
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u_quad_t ifs6_addr_expiry_cnt; /* # of address expiry events (excluding privacy addresses) */
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u_quad_t ifs6_pfx_expiry_cnt; /* # of prefix expiry events */
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u_quad_t ifs6_defrtr_expiry_cnt; /* # of default router expiry events */
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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 admin. 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 advs. */
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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 admin. 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 advs. */
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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 advs. */
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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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int ifru_flags;
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int ifru_flags6;
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int ifru_metric;
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int ifru_intval;
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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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u_int32_t ifru_scope_id[SCOPE6_ID_MAX];
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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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#ifdef PRIVATE
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#define IN6_CGA_MODIFIER_LENGTH 16
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struct in6_cga_modifier {
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u_int8_t octets[IN6_CGA_MODIFIER_LENGTH];
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};
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struct in6_cga_prepare {
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struct in6_cga_modifier cga_modifier;
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u_int8_t cga_security_level;
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u_int8_t reserved_A[15];
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};
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#define IN6_CGA_KEY_MAXSIZE 2048 /* octets */
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struct in6_cga_nodecfg {
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struct iovec cga_privkey;
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struct iovec cga_pubkey;
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struct in6_cga_prepare cga_prepare;
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};
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struct in6_cgareq {
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char cgar_name[IFNAMSIZ];
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int cgar_flags;
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struct in6_cga_prepare cgar_cgaprep;
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struct in6_addrlifetime cgar_lifetime;
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uint8_t cgar_collision_count;
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};
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#ifdef BSD_KERNEL_PRIVATE
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struct in6_cgareq_32 {
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char cgar_name[IFNAMSIZ];
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int cgar_flags;
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struct in6_cga_prepare cgar_cgaprep;
|
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struct in6_addrlifetime_32 cgar_lifetime;
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uint8_t cgar_collision_count;
|
|
};
|
|
|
|
struct in6_cgareq_64 {
|
|
char cgar_name[IFNAMSIZ];
|
|
int cgar_flags;
|
|
struct in6_cga_prepare cgar_cgaprep;
|
|
struct in6_addrlifetime_64 cgar_lifetime;
|
|
uint8_t cgar_collision_count;
|
|
};
|
|
|
|
#endif /* !BSD_KERNEL_PRIVATE */
|
|
#endif /* PRIVATE */
|
|
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
struct in6_aliasreq_32 {
|
|
char ifra_name[IFNAMSIZ];
|
|
struct sockaddr_in6 ifra_addr;
|
|
struct sockaddr_in6 ifra_dstaddr;
|
|
struct sockaddr_in6 ifra_prefixmask;
|
|
int ifra_flags;
|
|
struct in6_addrlifetime_32 ifra_lifetime;
|
|
};
|
|
|
|
struct in6_aliasreq_64 {
|
|
char ifra_name[IFNAMSIZ];
|
|
struct sockaddr_in6 ifra_addr;
|
|
struct sockaddr_in6 ifra_dstaddr;
|
|
struct sockaddr_in6 ifra_prefixmask;
|
|
int ifra_flags;
|
|
struct in6_addrlifetime_64 ifra_lifetime;
|
|
};
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
|
|
/* prefix type macro */
|
|
#define IN6_PREFIX_ND 1
|
|
#define IN6_PREFIX_RR 2
|
|
|
|
/*
|
|
* prefix related flags passed between kernel(NDP related part) and
|
|
* user land command(ifconfig) and daemon(rtadvd).
|
|
*/
|
|
struct in6_prflags {
|
|
struct prf_ra {
|
|
u_char onlink : 1;
|
|
u_char autonomous : 1;
|
|
u_char reserved : 6;
|
|
} prf_ra;
|
|
u_char prf_reserved1;
|
|
u_short prf_reserved2;
|
|
/* want to put this on 4byte offset */
|
|
struct prf_rr {
|
|
u_char decrvalid : 1;
|
|
u_char decrprefd : 1;
|
|
u_char reserved : 6;
|
|
} prf_rr;
|
|
u_char prf_reserved3;
|
|
u_short prf_reserved4;
|
|
};
|
|
|
|
struct in6_prefixreq {
|
|
char ipr_name[IFNAMSIZ];
|
|
u_char ipr_origin;
|
|
u_char ipr_plen;
|
|
u_int32_t ipr_vltime;
|
|
u_int32_t ipr_pltime;
|
|
struct in6_prflags ipr_flags;
|
|
struct sockaddr_in6 ipr_prefix;
|
|
};
|
|
|
|
#define PR_ORIG_RA 0
|
|
#define PR_ORIG_RR 1
|
|
#define PR_ORIG_STATIC 2
|
|
#define PR_ORIG_KERNEL 3
|
|
|
|
#define ipr_raf_onlink ipr_flags.prf_ra.onlink
|
|
#define ipr_raf_auto ipr_flags.prf_ra.autonomous
|
|
|
|
#define ipr_statef_onlink ipr_flags.prf_state.onlink
|
|
|
|
#define ipr_rrf_decrvalid ipr_flags.prf_rr.decrvalid
|
|
#define ipr_rrf_decrprefd ipr_flags.prf_rr.decrprefd
|
|
|
|
struct in6_rrenumreq {
|
|
char irr_name[IFNAMSIZ];
|
|
u_char irr_origin;
|
|
u_char irr_m_len; /* match len for matchprefix */
|
|
u_char irr_m_minlen; /* minlen for matching prefix */
|
|
u_char irr_m_maxlen; /* maxlen for matching prefix */
|
|
u_char irr_u_uselen; /* uselen for adding prefix */
|
|
u_char irr_u_keeplen; /* keeplen from matching prefix */
|
|
struct irr_raflagmask {
|
|
u_char onlink : 1;
|
|
u_char autonomous : 1;
|
|
u_char reserved : 6;
|
|
} irr_raflagmask;
|
|
u_int32_t irr_vltime;
|
|
u_int32_t irr_pltime;
|
|
struct in6_prflags irr_flags;
|
|
struct sockaddr_in6 irr_matchprefix;
|
|
struct sockaddr_in6 irr_useprefix;
|
|
};
|
|
|
|
#define irr_raf_mask_onlink irr_raflagmask.onlink
|
|
#define irr_raf_mask_auto irr_raflagmask.autonomous
|
|
#define irr_raf_mask_reserved irr_raflagmask.reserved
|
|
|
|
#define irr_raf_onlink irr_flags.prf_ra.onlink
|
|
#define irr_raf_auto irr_flags.prf_ra.autonomous
|
|
|
|
#define irr_statef_onlink irr_flags.prf_state.onlink
|
|
|
|
#define irr_rrf irr_flags.prf_rr
|
|
#define irr_rrf_decrvalid irr_flags.prf_rr.decrvalid
|
|
#define irr_rrf_decrprefd irr_flags.prf_rr.decrprefd
|
|
|
|
/*
|
|
* Event data, inet6 style.
|
|
*/
|
|
struct kev_in6_addrlifetime {
|
|
u_int32_t ia6t_expire;
|
|
u_int32_t ia6t_preferred;
|
|
u_int32_t ia6t_vltime;
|
|
u_int32_t ia6t_pltime;
|
|
};
|
|
|
|
struct kev_in6_data {
|
|
struct net_event_data link_data;
|
|
struct sockaddr_in6 ia_addr; /* interface address */
|
|
struct sockaddr_in6 ia_net; /* network number of interface */
|
|
struct sockaddr_in6 ia_dstaddr; /* space for destination addr */
|
|
struct sockaddr_in6 ia_prefixmask; /* prefix mask */
|
|
u_int32_t ia_plen; /* prefix length */
|
|
u_int32_t ia6_flags; /* address flags from in6_ifaddr */
|
|
struct kev_in6_addrlifetime ia_lifetime; /* address life info */
|
|
uint8_t ia_mac[ETHER_ADDR_LEN];
|
|
};
|
|
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
/* Utility function used inside netinet6 kernel code for generating events */
|
|
void in6_post_msg(struct ifnet *, u_int32_t, struct in6_ifaddr *, uint8_t *mac);
|
|
|
|
#define IN6_ARE_MASKED_ADDR_EQUAL(d, a, m) ( \
|
|
(((d)->s6_addr32[0] ^ (a)->s6_addr32[0]) & (m)->s6_addr32[0]) == 0 && \
|
|
(((d)->s6_addr32[1] ^ (a)->s6_addr32[1]) & (m)->s6_addr32[1]) == 0 && \
|
|
(((d)->s6_addr32[2] ^ (a)->s6_addr32[2]) & (m)->s6_addr32[2]) == 0 && \
|
|
(((d)->s6_addr32[3] ^ (a)->s6_addr32[3]) & (m)->s6_addr32[3]) == 0)
|
|
|
|
/*
|
|
* Given a pointer to an in6_ifaddr (ifaddr),
|
|
* return a pointer to the addr as a sockaddr_in6
|
|
*/
|
|
#define IA6_IN6(ia) (&((ia)->ia_addr.sin6_addr))
|
|
#define IA6_DSTIN6(ia) (&((ia)->ia_dstaddr.sin6_addr))
|
|
#define IA6_MASKIN6(ia) (&((ia)->ia_prefixmask.sin6_addr))
|
|
#define IA6_SIN6(ia) (&((ia)->ia_addr))
|
|
#define IA6_DSTSIN6(ia) (&((ia)->ia_dstaddr))
|
|
#define IA6_SIN6_SCOPE(x) ((IA6_SIN6(x))->sin6_scope_id)
|
|
|
|
#define IFA_IN6(x) \
|
|
(&((struct sockaddr_in6 *)(void *)((x)->ifa_addr))->sin6_addr)
|
|
#define IFA_SIN6(x) \
|
|
((struct sockaddr_in6 *)(void *)((x)->ifa_addr))
|
|
#define IFA_DSTIN6(x) \
|
|
(&((struct sockaddr_in6 *)(void *)((x)->ifa_dstaddr))->sin6_addr)
|
|
#define IFPR_IN6(x) \
|
|
(&((struct sockaddr_in6 *)(void *)((x)->ifpr_prefix))->sin6_addr)
|
|
#define IFA_SIN6_SCOPE(x) ((IFA_SIN6(x))->sin6_scope_id)
|
|
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
|
|
#define SIOCSIFADDR_IN6 _IOW('i', 12, struct in6_ifreq)
|
|
#define SIOCGIFADDR_IN6 _IOWR('i', 33, struct in6_ifreq)
|
|
|
|
/*
|
|
* SIOCSxxx ioctls should be unused (see comments in in6.c), but
|
|
* we do not shift numbers for binary compatibility.
|
|
*/
|
|
#define SIOCSIFDSTADDR_IN6 _IOW('i', 14, struct in6_ifreq)
|
|
#define SIOCSIFNETMASK_IN6 _IOW('i', 22, struct in6_ifreq)
|
|
|
|
#define SIOCGIFDSTADDR_IN6 _IOWR('i', 34, struct in6_ifreq)
|
|
#define SIOCGIFNETMASK_IN6 _IOWR('i', 37, struct in6_ifreq)
|
|
|
|
#define SIOCDIFADDR_IN6 _IOW('i', 25, struct in6_ifreq)
|
|
#define SIOCAIFADDR_IN6 _IOW('i', 26, struct in6_aliasreq)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCAIFADDR_IN6_32 _IOW('i', 26, struct in6_aliasreq_32)
|
|
#define SIOCAIFADDR_IN6_64 _IOW('i', 26, struct in6_aliasreq_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
|
|
#define SIOCSIFPHYADDR_IN6 _IOW('i', 62, struct in6_aliasreq)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCSIFPHYADDR_IN6_32 _IOW('i', 62, struct in6_aliasreq_32)
|
|
#define SIOCSIFPHYADDR_IN6_64 _IOW('i', 62, struct in6_aliasreq_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
#define SIOCGIFPSRCADDR_IN6 _IOWR('i', 63, struct in6_ifreq)
|
|
#define SIOCGIFPDSTADDR_IN6 _IOWR('i', 64, struct in6_ifreq)
|
|
#define SIOCGIFAFLAG_IN6 _IOWR('i', 73, struct in6_ifreq)
|
|
|
|
#define SIOCGDRLST_IN6 _IOWR('i', 74, struct in6_drlist)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCGDRLST_IN6_32 _IOWR('i', 74, struct in6_drlist_32)
|
|
#define SIOCGDRLST_IN6_64 _IOWR('i', 74, struct in6_drlist_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
|
|
#define SIOCGPRLST_IN6 _IOWR('i', 75, struct in6_prlist)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCGPRLST_IN6_32 _IOWR('i', 75, struct in6_prlist_32)
|
|
#define SIOCGPRLST_IN6_64 _IOWR('i', 75, struct in6_prlist_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
|
|
#define OSIOCGIFINFO_IN6 _IOWR('i', 108, struct in6_ondireq)
|
|
#define SIOCGIFINFO_IN6 _IOWR('i', 76, struct in6_ondireq)
|
|
#define SIOCSNDFLUSH_IN6 _IOWR('i', 77, struct in6_ifreq)
|
|
|
|
#define SIOCGNBRINFO_IN6 _IOWR('i', 78, struct in6_nbrinfo)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCGNBRINFO_IN6_32 _IOWR('i', 78, struct in6_nbrinfo_32)
|
|
#define SIOCGNBRINFO_IN6_64 _IOWR('i', 78, struct in6_nbrinfo_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
|
|
#define SIOCSPFXFLUSH_IN6 _IOWR('i', 79, struct in6_ifreq)
|
|
#define SIOCSRTRFLUSH_IN6 _IOWR('i', 80, struct in6_ifreq)
|
|
|
|
#define SIOCGIFALIFETIME_IN6 _IOWR('i', 81, struct in6_ifreq)
|
|
#define SIOCSIFALIFETIME_IN6 _IOWR('i', 82, struct in6_ifreq)
|
|
#define SIOCGIFSTAT_IN6 _IOWR('i', 83, struct in6_ifreq)
|
|
#define SIOCGIFSTAT_ICMP6 _IOWR('i', 84, struct in6_ifreq)
|
|
|
|
#define SIOCSDEFIFACE_IN6 _IOWR('i', 85, struct in6_ndifreq)
|
|
#define SIOCGDEFIFACE_IN6 _IOWR('i', 86, struct in6_ndifreq)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCSDEFIFACE_IN6_32 _IOWR('i', 85, struct in6_ndifreq_32)
|
|
#define SIOCSDEFIFACE_IN6_64 _IOWR('i', 85, struct in6_ndifreq_64)
|
|
#define SIOCGDEFIFACE_IN6_32 _IOWR('i', 86, struct in6_ndifreq_32)
|
|
#define SIOCGDEFIFACE_IN6_64 _IOWR('i', 86, struct in6_ndifreq_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
|
|
#define SIOCSIFINFO_FLAGS _IOWR('i', 87, struct in6_ndireq) /* XXX */
|
|
|
|
/* N.B.: These 3 ioctls are deprecated and won't work */
|
|
#define SIOCSSCOPE6 _IOW('i', 88, struct in6_ifreq)
|
|
#define SIOCGSCOPE6 _IOWR('i', 89, struct in6_ifreq)
|
|
#define SIOCGSCOPE6DEF _IOWR('i', 90, struct in6_ifreq)
|
|
|
|
#define SIOCSIFPREFIX_IN6 _IOW('i', 100, struct in6_prefixreq) /* set */
|
|
#define SIOCGIFPREFIX_IN6 _IOWR('i', 101, struct in6_prefixreq) /* get */
|
|
#define SIOCDIFPREFIX_IN6 _IOW('i', 102, struct in6_prefixreq) /* del */
|
|
#define SIOCAIFPREFIX_IN6 _IOW('i', 103, struct in6_rrenumreq) /* add */
|
|
|
|
/* change */
|
|
#define SIOCCIFPREFIX_IN6 _IOW('i', 104, struct in6_rrenumreq)
|
|
|
|
/* set global */
|
|
#define SIOCSGIFPREFIX_IN6 _IOW('i', 105, struct in6_rrenumreq)
|
|
|
|
/*
|
|
* multicast routing, get s/g pkt cnt, pkt cnt per interface.
|
|
*/
|
|
#define SIOCGETSGCNT_IN6 _IOWR('u', 28, struct sioc_sg_req6)
|
|
#define SIOCGETMIFCNT_IN6 _IOWR('u', 107, struct sioc_mif_req6)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCGETMIFCNT_IN6_32 _IOWR('u', 107, struct sioc_mif_req6_32)
|
|
#define SIOCGETMIFCNT_IN6_64 _IOWR('u', 107, struct sioc_mif_req6_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
|
|
#define SIOCAADDRCTL_POLICY _IOW('u', 108, struct in6_addrpolicy)
|
|
#define SIOCDADDRCTL_POLICY _IOW('u', 109, struct in6_addrpolicy)
|
|
|
|
#ifdef PRIVATE
|
|
/*
|
|
* temporary control calls to attach/detach IPv6 to/from an interface.
|
|
*/
|
|
#define SIOCPROTOATTACH_IN6 _IOWR('i', 110, struct in6_aliasreq)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCPROTOATTACH_IN6_32 _IOWR('i', 110, struct in6_aliasreq_32)
|
|
#define SIOCPROTOATTACH_IN6_64 _IOWR('i', 110, struct in6_aliasreq_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
#define SIOCPROTODETACH_IN6 _IOWR('i', 111, struct in6_ifreq)
|
|
|
|
/*
|
|
* start/stop aquiring linklocal on interface
|
|
*/
|
|
#define SIOCLL_START _IOWR('i', 130, struct in6_aliasreq)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCLL_START_32 _IOWR('i', 130, struct in6_aliasreq_32)
|
|
#define SIOCLL_START_64 _IOWR('i', 130, struct in6_aliasreq_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
#define SIOCLL_STOP _IOWR('i', 131, struct in6_ifreq)
|
|
|
|
/*
|
|
* accept rtadvd (and stop accepting) on this interface.
|
|
*/
|
|
#define SIOCAUTOCONF_START _IOWR('i', 132, struct in6_ifreq)
|
|
#define SIOCAUTOCONF_STOP _IOWR('i', 133, struct in6_ifreq)
|
|
|
|
/*
|
|
* add/remove default IPv6 router.
|
|
*/
|
|
#define SIOCDRADD_IN6 _IOWR('u', 134, struct in6_defrouter)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCDRADD_IN6_32 _IOWR('u', 134, struct in6_defrouter_32)
|
|
#define SIOCDRADD_IN6_64 _IOWR('u', 134, struct in6_defrouter_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
#define SIOCDRDEL_IN6 _IOWR('u', 135, struct in6_defrouter)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCDRDEL_IN6_32 _IOWR('u', 135, struct in6_defrouter_32)
|
|
#define SIOCDRDEL_IN6_64 _IOWR('u', 135, struct in6_defrouter_64)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
|
|
/*
|
|
* SIOCSETROUTERMODE_IN6
|
|
* Set the IPv6 router mode on an interface.
|
|
*
|
|
* IPV6_ROUTER_MODE_DISABLED
|
|
* - disable IPv6 router mode if it is enabled
|
|
* - if the previous mode was IPV6_ROUTER_MODE_EXCUSIVE,
|
|
* scrubs all IPv6 auto-configured addresses
|
|
*
|
|
* IPV6_ROUTER_MODE_EXCLUSIVE
|
|
* - act exclusively as an IPv6 router on the interface
|
|
* - disables accepting external Router Advertisements
|
|
* - scrubs all IPv6 auto-configured addresses
|
|
* - disables optimistic dad
|
|
* - disables ND6 prefix proxy, if enabled
|
|
* - used by the internet sharing/personal hotspot feature
|
|
*
|
|
* IPV6_ROUTER_MODE_HYBRID
|
|
* - act as both an IPv6 router and IPv6 client on the interface
|
|
* - does not modify whether to accept Router Advertisements
|
|
* - does not scrub any addresses
|
|
* - used when acting as the gateway/router for an otherwise isolated
|
|
* network whose existence is likely advertised via a
|
|
* a Route Information Option in a Router Advertisement
|
|
*/
|
|
#define IPV6_ROUTER_MODE_DISABLED 0
|
|
#define IPV6_ROUTER_MODE_EXCLUSIVE 1
|
|
#define IPV6_ROUTER_MODE_HYBRID 2
|
|
#define SIOCSETROUTERMODE_IN6 _IOWR('i', 136, struct in6_ifreq)
|
|
|
|
#define SIOCGETROUTERMODE_IN6 _IOWR('i', 137, struct in6_ifreq)
|
|
|
|
/*
|
|
* start secure link-local interface addresses
|
|
*/
|
|
#define SIOCLL_CGASTART _IOW('i', 160, struct in6_cgareq)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCLL_CGASTART_32 _IOW('i', 160, struct in6_cgareq_32)
|
|
#define SIOCLL_CGASTART_64 _IOW('i', 160, struct in6_cgareq_64)
|
|
#endif
|
|
|
|
/*
|
|
* get/set the CGA parameters
|
|
*/
|
|
#define SIOCGIFCGAPREP_IN6 _IOWR('i', 187, struct in6_cgareq)
|
|
#define SIOCSIFCGAPREP_IN6 _IOWR('i', 188, struct in6_cgareq)
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#define SIOCGIFCGAPREP_IN6_32 _IOWR('i', 187, struct in6_cgareq_32)
|
|
#define SIOCGIFCGAPREP_IN6_64 _IOWR('i', 187, struct in6_cgareq_64)
|
|
#define SIOCSIFCGAPREP_IN6_32 _IOWR('i', 188, struct in6_cgareq_32)
|
|
#define SIOCSIFCGAPREP_IN6_64 _IOWR('i', 188, struct in6_cgareq_64)
|
|
#endif
|
|
|
|
#define SIOCCLAT46_START _IOWR('i', 189, struct in6_ifreq)
|
|
#define SIOCCLAT46_STOP _IOWR('i', 190, struct in6_ifreq)
|
|
#endif /* PRIVATE */
|
|
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
/*
|
|
* XXX: Do not extend IN6_IFF values beyond 16-bit. We currently copy the
|
|
* values from ia6_flags as is into m_pkthdr.{src,dst}_iff which are
|
|
* defined as 16-bit variables. We can relax this once we define a
|
|
* unified set of interface flags for {ia,ia6}_flags and perform
|
|
* translation between those and the publicly-defined ones below.
|
|
*/
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
#define IN6_IFF_ANYCAST 0x0001 /* anycast address */
|
|
#define IN6_IFF_TENTATIVE 0x0002 /* tentative address */
|
|
#define IN6_IFF_DUPLICATED 0x0004 /* DAD detected duplicate */
|
|
#define IN6_IFF_DETACHED 0x0008 /* XXX Obsolete. May be detached from the link */
|
|
#define IN6_IFF_DEPRECATED 0x0010 /* deprecated address */
|
|
|
|
/* don't perform DAD on this address (used only at first SIOC* call) */
|
|
#define IN6_IFF_NODAD 0x0020
|
|
|
|
#define IN6_IFF_AUTOCONF 0x0040 /* autoconfigurable address. */
|
|
#define IN6_IFF_TEMPORARY 0x0080 /* temporary (anonymous) address. */
|
|
#define IN6_IFF_DYNAMIC 0x0100 /* assigned by DHCPv6 service */
|
|
#define IN6_IFF_OPTIMISTIC 0x0200 /* optimistic DAD, i.e. RFC 4429 */
|
|
#define IN6_IFF_SECURED 0x0400 /* cryptographically generated */
|
|
#ifdef PRIVATE
|
|
#define IN6_IFF_SWIFTDAD 0x0800 /* DAD with no delay */
|
|
#endif
|
|
#define IN6_IFF_CLAT46 0x1000 /* Address reserved for CLAT46 */
|
|
#define IN6_IFF_NOPFX 0x8000 /* Depreciated. Don't use. */
|
|
|
|
/* Duplicate Address Detection [DAD] in progress. */
|
|
#define IN6_IFF_DADPROGRESS (IN6_IFF_TENTATIVE|IN6_IFF_OPTIMISTIC)
|
|
|
|
/* do not input/output */
|
|
#define IN6_IFF_NOTREADY (IN6_IFF_TENTATIVE|IN6_IFF_DUPLICATED)
|
|
|
|
/* SLAAC/DHCPv6 address */
|
|
#define IN6_IFF_NOTMANUAL (IN6_IFF_AUTOCONF|IN6_IFF_DYNAMIC)
|
|
|
|
#ifdef KERNEL
|
|
#define IN6_ARE_SCOPE_CMP(a, b) ((a) - (b))
|
|
#define IN6_ARE_SCOPE_EQUAL(a, b) ((a) == (b))
|
|
#endif /* KERNEL */
|
|
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
extern struct icmp6stat icmp6stat;
|
|
extern lck_grp_t ip6_mutex_grp;
|
|
extern lck_attr_t ip6_mutex_attr;
|
|
extern lck_rw_t in6_ifaddr_rwlock;
|
|
extern lck_mtx_t proxy6_lock;
|
|
extern u_char inet6ctlerrmap[];
|
|
extern u_int32_t in6_maxmtu;
|
|
|
|
/* N.B.: if_inet6data is never freed once set, so we don't need to lock */
|
|
#define in6_ifstat_add_common(_ifp, _tag, _count, _atomic) do { \
|
|
if (_ifp != NULL && IN6_IFEXTRA(_ifp) != NULL) { \
|
|
if (_atomic) \
|
|
os_atomic_add( \
|
|
&IN6_IFEXTRA(_ifp)->in6_ifstat._tag, \
|
|
_count, relaxed); \
|
|
else \
|
|
IN6_IFEXTRA(_ifp)->in6_ifstat._tag += _count; \
|
|
} \
|
|
} while (0)
|
|
|
|
/* atomic version */
|
|
#define in6_ifstat_inc(_ifp, _tag) \
|
|
in6_ifstat_add_common(_ifp, _tag, 1, TRUE)
|
|
|
|
/* non-atomic version (for fast paths) */
|
|
#define in6_ifstat_inc_na(_ifp, _tag) \
|
|
in6_ifstat_add_common(_ifp, _tag, 1, FALSE)
|
|
|
|
/* atomic add version */
|
|
#define in6_ifstat_add(_ifp, _tag, _count) \
|
|
in6_ifstat_add_common(_ifp, _tag, _count, TRUE)
|
|
|
|
/*
|
|
* Macro for finding the internet address structure (in6_ifaddr) corresponding
|
|
* to a given interface (ifnet structure).
|
|
*/
|
|
|
|
#define IFP_TO_IA6(ifp, ia) \
|
|
/* struct ifnet *ifp; */ \
|
|
/* struct in6_ifaddr *ia; */ \
|
|
do { \
|
|
struct ifaddr *_ifa; \
|
|
ifnet_lock_assert(ifp, LCK_RW_ASSERT_HELD); \
|
|
for (_ifa = (ifp)->if_addrlist.tqh_first; _ifa != NULL; \
|
|
_ifa = _ifa->ifa_list.tqe_next) { \
|
|
IFA_LOCK(_ifa); \
|
|
if (_ifa->ifa_addr->sa_family == AF_INET6) { \
|
|
ifa_addref(_ifa); \
|
|
IFA_UNLOCK(_ifa); \
|
|
break; \
|
|
} \
|
|
IFA_UNLOCK(_ifa); \
|
|
} \
|
|
(ia) = (struct in6_ifaddr *)_ifa; \
|
|
} while (0)
|
|
|
|
/*
|
|
* IPv6 multicast MLD-layer source entry.
|
|
*/
|
|
struct ip6_msource {
|
|
RB_ENTRY(ip6_msource) im6s_link; /* RB tree links */
|
|
struct in6_addr im6s_addr;
|
|
struct im6s_st {
|
|
uint16_t ex; /* # of exclusive members */
|
|
uint16_t in; /* # of inclusive members */
|
|
} im6s_st[2]; /* state at t0, t1 */
|
|
uint8_t im6s_stp; /* pending query */
|
|
};
|
|
|
|
RB_HEAD(ip6_msource_tree, ip6_msource);
|
|
|
|
RB_PROTOTYPE_SC_PREV(__private_extern__, ip6_msource_tree, ip6_msource,
|
|
im6s_link, ip6_msource_cmp);
|
|
|
|
/*
|
|
* IPv6 multicast PCB-layer source entry.
|
|
*
|
|
* NOTE: overlapping use of struct ip6_msource fields at start.
|
|
*/
|
|
struct in6_msource {
|
|
RB_ENTRY(ip6_msource) im6s_link; /* Common field */
|
|
struct in6_addr im6s_addr; /* Common field */
|
|
uint8_t im6sl_st[2]; /* state before/at commit */
|
|
};
|
|
|
|
/*
|
|
* IPv6 multicast PCB-layer group filter descriptor.
|
|
*/
|
|
struct in6_mfilter {
|
|
struct ip6_msource_tree im6f_sources; /* source list for (S,G) */
|
|
u_long im6f_nsrc; /* # of source entries */
|
|
uint8_t im6f_st[2]; /* state before/at commit */
|
|
};
|
|
|
|
/*
|
|
* Legacy KAME IPv6 multicast membership descriptor.
|
|
*/
|
|
struct in6_multi_mship {
|
|
struct in6_multi *i6mm_maddr; /* Multicast address pointer */
|
|
LIST_ENTRY(in6_multi_mship) i6mm_chain; /* multicast options chain */
|
|
};
|
|
|
|
#ifdef BSD_KERNEL_PRIVATE
|
|
#include <netinet6/nd6_var.h>
|
|
|
|
/*
|
|
* Per-interface IPv6 structures.
|
|
*/
|
|
struct in6_ifextra {
|
|
struct scope6_id scope6_id;
|
|
struct in6_ifstat in6_ifstat;
|
|
struct icmp6_ifstat icmp6_ifstat;
|
|
struct nd_ifinfo nd_ifinfo;
|
|
uint32_t netsig_len;
|
|
u_int8_t netsig[IFNET_SIGNATURELEN];
|
|
struct ipv6_prefix nat64_prefixes[NAT64_MAX_NUM_PREFIXES];
|
|
};
|
|
#define IN6_IFEXTRA(_ifp) (_ifp->if_inet6data)
|
|
#endif /* BSD_KERNEL_PRIVATE */
|
|
|
|
struct mld_ifinfo;
|
|
|
|
/*
|
|
* IPv6 group descriptor.
|
|
*
|
|
* For every entry on an ifnet's if_multiaddrs list which represents
|
|
* an IP multicast group, there is one of these structures.
|
|
*
|
|
* If any source filters are present, then a node will exist in the RB-tree
|
|
* to permit fast lookup by source whenever an operation takes place.
|
|
* This permits pre-order traversal when we issue reports.
|
|
* Source filter trees are kept separately from the socket layer to
|
|
* greatly simplify locking.
|
|
*
|
|
* When MLDv2 is active, in6m_timer is the response to group query timer.
|
|
* The state-change timer in6m_sctimer is separate; whenever state changes
|
|
* for the group the state change record is generated and transmitted,
|
|
* and kept if retransmissions are necessary.
|
|
*
|
|
* The request count here is a count of requests for this address, not a
|
|
* count of pointers to this structure.
|
|
*
|
|
* FUTURE: in6m_entry is now only used when groups are being purged
|
|
* on a detaching ifnet. It could be demoted to a SLIST_ENTRY.
|
|
*/
|
|
struct in6_multi {
|
|
decl_lck_mtx_data(, in6m_lock);
|
|
u_int32_t in6m_refcount; /* reference count */
|
|
u_int32_t in6m_reqcnt; /* request count for this address */
|
|
u_int32_t in6m_debug; /* see ifa_debug flags */
|
|
LIST_ENTRY(in6_multi) in6m_entry; /* list glue */
|
|
struct in6_addr in6m_addr; /* IP6 multicast address */
|
|
uint32_t ifscope; /* IP6 address scope */
|
|
struct ifnet *in6m_ifp; /* back pointer to ifnet */
|
|
struct ifmultiaddr *in6m_ifma; /* back pointer to ifmultiaddr */
|
|
u_int in6m_state; /* state of the membership */
|
|
u_int in6m_timer; /* MLD6 listener report timer */
|
|
bool in6m_in_nrele; /* if in nrele list */
|
|
|
|
/* New fields for MLDv2 follow. */
|
|
struct mld_ifinfo *in6m_mli; /* MLD info */
|
|
SLIST_ENTRY(in6_multi) in6m_dtle; /* detached waiting for rele */
|
|
SLIST_ENTRY(in6_multi) in6m_nrele; /* to-be-released by MLD */
|
|
u_int32_t in6m_nrelecnt; /* deferred release count */
|
|
struct ip6_msource_tree in6m_srcs; /* tree of sources */
|
|
u_long in6m_nsrc; /* # of tree entries */
|
|
|
|
struct ifqueue in6m_scq; /* pending state-change packets */
|
|
struct timeval in6m_lastgsrtv; /* last G-S-R query */
|
|
uint16_t in6m_sctimer; /* state-change timer */
|
|
uint16_t in6m_scrv; /* state-change rexmit count */
|
|
|
|
/*
|
|
* SSM state counters which track state at T0 (the time the last
|
|
* state-change report's RV timer went to zero) and T1
|
|
* (time of pending report, i.e. now).
|
|
* Used for computing MLDv2 state-change reports. Several refcounts
|
|
* are maintained here to optimize for common use-cases.
|
|
*/
|
|
struct in6m_st {
|
|
uint16_t iss_fmode; /* MLD filter mode */
|
|
uint16_t iss_asm; /* # of ASM listeners */
|
|
uint16_t iss_ex; /* # of exclusive members */
|
|
uint16_t iss_in; /* # of inclusive members */
|
|
uint16_t iss_rec; /* # of recorded sources */
|
|
} in6m_st[2]; /* state at t0, t1 */
|
|
|
|
void (*in6m_trace) /* callback fn for tracing refs */
|
|
(struct in6_multi *, int);
|
|
};
|
|
|
|
#define IN6M_LOCK_ASSERT_HELD(_in6m) \
|
|
LCK_MTX_ASSERT(&(_in6m)->in6m_lock, LCK_MTX_ASSERT_OWNED)
|
|
|
|
#define IN6M_LOCK_ASSERT_NOTHELD(_in6m) \
|
|
LCK_MTX_ASSERT(&(_in6m)->in6m_lock, LCK_MTX_ASSERT_NOTOWNED)
|
|
|
|
#define IN6M_LOCK(_in6m) \
|
|
lck_mtx_lock(&(_in6m)->in6m_lock)
|
|
|
|
#define IN6M_LOCK_SPIN(_in6m) \
|
|
lck_mtx_lock_spin(&(_in6m)->in6m_lock)
|
|
|
|
#define IN6M_CONVERT_LOCK(_in6m) do { \
|
|
IN6M_LOCK_ASSERT_HELD(_in6m); \
|
|
lck_mtx_convert_spin(&(_in6m)->in6m_lock); \
|
|
} while (0)
|
|
|
|
#define IN6M_UNLOCK(_in6m) \
|
|
lck_mtx_unlock(&(_in6m)->in6m_lock)
|
|
|
|
#define IN6M_ADDREF(_in6m) \
|
|
in6m_addref(_in6m, 0)
|
|
|
|
#define IN6M_ADDREF_LOCKED(_in6m) \
|
|
in6m_addref(_in6m, 1)
|
|
|
|
#define IN6M_REMREF(_in6m) \
|
|
in6m_remref(_in6m, 0)
|
|
|
|
#define IN6M_REMREF_LOCKED(_in6m) \
|
|
in6m_remref(_in6m, 1)
|
|
|
|
/* flags to in6_update_ifa */
|
|
#define IN6_IFAUPDATE_NOWAIT 0x1 /* don't block allocating memory */
|
|
#define IN6_IFAUPDATE_1STADDR 0x2 /* first address on interface */
|
|
#define IN6_IFAUPDATE_NEWADDR 0x4 /* new address on interface */
|
|
#define IN6_IFAUPDATE_DADDELAY 0x8 /* must delay initial DAD probe */
|
|
|
|
struct ip6_moptions;
|
|
struct sockopt;
|
|
struct inpcb;
|
|
|
|
extern LIST_HEAD(in6_multihead, in6_multi) in6_multihead;
|
|
|
|
/*
|
|
* Structure used by macros below to remember position when stepping through
|
|
* all of the in6_multi records.
|
|
*/
|
|
struct in6_multistep {
|
|
struct in6_ifaddr *i_ia;
|
|
struct in6_multi *i_in6m;
|
|
};
|
|
|
|
/*
|
|
* Macros for looking up the in6_multi record for a given IP6 multicast
|
|
* address on a given interface. If no matching record is found, "in6m"
|
|
* returns NULL.
|
|
*
|
|
* We do this differently compared other BSD implementations; instead of
|
|
* walking the if_multiaddrs list at the interface and returning the
|
|
* ifma_protospec value of a matching entry, we search the global list
|
|
* of in6_multi records and find it that way. Otherwise either the two
|
|
* structures (in6_multi, ifmultiaddr) need to be ref counted both ways,
|
|
* which will make things too complicated, or they need to reside in the
|
|
* same protected domain, which they aren't.
|
|
*
|
|
* Must be called with in6_multihead_lock held.
|
|
*/
|
|
#define IN6_LOOKUP_MULTI(addr, ifp, in6m) \
|
|
/* struct in6_addr *addr; */ \
|
|
/* struct ifnet *ifp; */ \
|
|
/* struct in6_multi *in6m; */ \
|
|
do { \
|
|
struct in6_multistep _step; \
|
|
IN6_FIRST_MULTI(_step, in6m); \
|
|
while ((in6m) != NULL) { \
|
|
IN6M_LOCK_SPIN(in6m); \
|
|
if ((in6m)->in6m_ifp == (ifp) && \
|
|
IN6_ARE_ADDR_EQUAL(&(in6m)->in6m_addr, (addr))) { \
|
|
IN6M_ADDREF_LOCKED(in6m); \
|
|
IN6M_UNLOCK(in6m); \
|
|
break; \
|
|
} \
|
|
IN6M_UNLOCK(in6m); \
|
|
IN6_NEXT_MULTI(_step, in6m); \
|
|
} \
|
|
} while (0)
|
|
|
|
/*
|
|
* Macro to step through all of the in6_multi records, one at a time.
|
|
* The current position is remembered in "step", which the caller must
|
|
* provide. IN6_FIRST_MULTI(), below, must be called to initialize "step"
|
|
* and get the first record. Both macros return a NULL "in6m" when there
|
|
* are no remaining records.
|
|
*
|
|
* Must be called with in6_multihead_lock held.
|
|
*/
|
|
#define IN6_NEXT_MULTI(step, in6m) \
|
|
/* struct in6_multistep step; */ \
|
|
/* struct in6_multi *in6m; */ \
|
|
do { \
|
|
in6_multihead_lock_assert(LCK_RW_ASSERT_HELD); \
|
|
if (((in6m) = (step).i_in6m) != NULL) \
|
|
(step).i_in6m = (step).i_in6m->in6m_entry.le_next; \
|
|
} while (0)
|
|
|
|
#define IN6_FIRST_MULTI(step, in6m) \
|
|
/* struct in6_multistep step; */ \
|
|
/* struct in6_multi *in6m */ \
|
|
do { \
|
|
in6_multihead_lock_assert(LCK_RW_ASSERT_HELD); \
|
|
(step).i_in6m = in6_multihead.lh_first; \
|
|
IN6_NEXT_MULTI((step), (in6m)); \
|
|
} while (0)
|
|
|
|
extern lck_mtx_t *inet6_domain_mutex;
|
|
extern struct domain *inet6domain;
|
|
|
|
struct ip6_pktopts;
|
|
|
|
/* Multicast private KPIs. */
|
|
extern int im6o_mc_filter(const struct ip6_moptions *, struct ifnet *,
|
|
const struct sockaddr_in6 *, const struct sockaddr_in6 *);
|
|
extern int in6_mc_join(struct ifnet *, const struct in6_addr *,
|
|
struct in6_mfilter *, struct in6_multi **, int);
|
|
extern int in6_mc_leave(struct in6_multi *, struct in6_mfilter *);
|
|
extern void in6m_clear_recorded(struct in6_multi *);
|
|
extern void in6m_commit(struct in6_multi *);
|
|
extern void in6m_purge(struct in6_multi *);
|
|
extern void in6m_print(const struct in6_multi *);
|
|
extern int in6m_record_source(struct in6_multi *, const struct in6_addr *);
|
|
extern int ip6_getmoptions(struct inpcb *, struct sockopt *);
|
|
extern int ip6_setmoptions(struct inpcb *, struct sockopt *);
|
|
/* Legacy KAME multicast private KPIs. */
|
|
extern struct in6_multi_mship *in6_joingroup(struct ifnet *,
|
|
struct in6_addr *, int *, int);
|
|
extern int in6_leavegroup(struct in6_multi_mship *);
|
|
extern void in6m_addref(struct in6_multi *, int);
|
|
extern void in6m_remref(struct in6_multi *, int);
|
|
extern int in6_multi_detach(struct in6_multi *);
|
|
extern int in6_ifindex2scopeid(int);
|
|
extern int in6_mask2len(struct in6_addr *, u_char *);
|
|
extern void in6_len2mask(struct in6_addr *, int);
|
|
extern int in6_control(struct socket *, u_long, caddr_t, struct ifnet *,
|
|
struct proc *);
|
|
extern int in6_update_ifa(struct ifnet *, struct in6_aliasreq *, int,
|
|
struct in6_ifaddr **);
|
|
extern void in6_purgeaddr(struct ifaddr *);
|
|
extern int in6if_do_dad(struct ifnet *);
|
|
extern void in6_purgeif(struct ifnet *);
|
|
extern void in6_savemkludge(struct in6_ifaddr *);
|
|
extern void in6_setmaxmtu(void);
|
|
extern void in6_restoremkludge(struct in6_ifaddr *, struct ifnet *);
|
|
extern void in6_purgemkludge(struct ifnet *);
|
|
extern struct in6_ifaddr *in6ifa_ifpforlinklocal(struct ifnet *, int);
|
|
extern struct in6_ifaddr *in6ifa_ifpwithflag(struct ifnet *, int);
|
|
extern struct in6_ifaddr *in6ifa_ifpwithaddr(struct ifnet *, struct in6_addr *);
|
|
extern struct in6_ifaddr *in6ifa_prproxyaddr(struct in6_addr *, uint32_t);
|
|
extern void in6ifa_getlifetime(struct in6_ifaddr *,
|
|
struct in6_addrlifetime *, int);
|
|
extern void in6ifa_setlifetime(struct in6_ifaddr *, struct in6_addrlifetime *);
|
|
extern char *ip6_sprintf(const struct in6_addr *);
|
|
extern int in6_addr2scopeid(struct ifnet *, struct in6_addr *);
|
|
extern int in6_matchlen(struct in6_addr *, struct in6_addr *);
|
|
extern int in6_are_prefix_equal(struct in6_addr *p1, uint32_t ifscope1, struct in6_addr *p2, uint32_t ifscope2,
|
|
int len);
|
|
extern void in6_prefixlen2mask(struct in6_addr *maskp, int len);
|
|
extern int in6_prefix_add_ifid(int iilen, struct in6_ifaddr *ia);
|
|
extern void in6_prefix_remove_ifid(int iilen, struct in6_ifaddr *ia);
|
|
extern void in6_purgeprefix(struct ifnet *);
|
|
extern void in6_purgeaddrs(struct ifnet *);
|
|
extern uint8_t im6s_get_mode(const struct in6_multi *,
|
|
const struct ip6_msource *, uint8_t);
|
|
extern void im6f_leave(struct in6_mfilter *);
|
|
extern void im6f_purge(struct in6_mfilter *);
|
|
extern int in6_embedscope(struct in6_addr *, const struct sockaddr_in6 *,
|
|
struct inpcb *, struct ifnet **, struct ip6_pktopts *, uint32_t *);
|
|
extern int in6_recoverscope(struct sockaddr_in6 *, const struct in6_addr *,
|
|
struct ifnet *);
|
|
extern void in6_aliasreq_64_to_32(struct in6_aliasreq_64 *,
|
|
struct in6_aliasreq_32 *);
|
|
extern void in6_aliasreq_32_to_64(struct in6_aliasreq_32 *,
|
|
struct in6_aliasreq_64 *);
|
|
extern void in6_ifaddr_init(void);
|
|
extern int in6_inithead(void **, int);
|
|
extern void in6_rtqdrain(void);
|
|
extern struct radix_node *in6_validate(struct radix_node *);
|
|
extern int in6_if2idlen(struct ifnet *);
|
|
extern int in6_src_ioctl(u_long, caddr_t);
|
|
extern void in6_multihead_lock_exclusive(void);
|
|
extern void in6_multihead_lock_shared(void);
|
|
extern void in6_multihead_lock_assert(int);
|
|
extern void in6_multihead_lock_done(void);
|
|
|
|
extern void in6_cga_init(void);
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extern void in6_cga_node_lock(void);
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extern void in6_cga_node_unlock(void);
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extern void in6_cga_query(struct in6_cga_nodecfg *);
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extern int in6_cga_start(const struct in6_cga_nodecfg *);
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extern int in6_cga_stop(void);
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extern ssize_t in6_cga_parameters_prepare(void *, size_t,
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const struct in6_addr *, u_int8_t, const struct in6_cga_modifier *);
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extern int in6_cga_generate(struct in6_cga_prepare *, u_int8_t,
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struct in6_addr *, struct ifnet *);
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extern int in6_getconninfo(struct socket *, sae_connid_t, uint32_t *,
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uint32_t *, int32_t *, user_addr_t, socklen_t *,
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user_addr_t, socklen_t *, uint32_t *, user_addr_t, uint32_t *);
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extern void in6_ip6_to_sockaddr(const struct in6_addr *ip6, u_int16_t port, uint32_t ifscope,
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struct sockaddr_in6 *sin6, u_int32_t maxlen);
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extern void in6_cgareq_copy_from_user(const void *, int,
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struct in6_cgareq *cgareq);
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#endif /* BSD_KERNEL_PRIVATE */
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#endif /* _NETINET6_IN6_VAR_H_ */
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