xref: /xnu-10002.41.9/bsd/netinet6/nd6_var.h (revision 699cd48037512bf4380799317ca44ca453c82f57)
1*699cd480SApple OSS Distributions /*
2*699cd480SApple OSS Distributions  * Copyright (c) 2016-2020 Apple Inc. All rights reserved.
3*699cd480SApple OSS Distributions  *
4*699cd480SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*699cd480SApple OSS Distributions  *
6*699cd480SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*699cd480SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*699cd480SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*699cd480SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*699cd480SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*699cd480SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*699cd480SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*699cd480SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*699cd480SApple OSS Distributions  *
15*699cd480SApple OSS Distributions  * Please obtain a copy of the License at
16*699cd480SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*699cd480SApple OSS Distributions  *
18*699cd480SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*699cd480SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*699cd480SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*699cd480SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*699cd480SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*699cd480SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*699cd480SApple OSS Distributions  * limitations under the License.
25*699cd480SApple OSS Distributions  *
26*699cd480SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*699cd480SApple OSS Distributions  */
28*699cd480SApple OSS Distributions /*
29*699cd480SApple OSS Distributions  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
30*699cd480SApple OSS Distributions  * All rights reserved.
31*699cd480SApple OSS Distributions  *
32*699cd480SApple OSS Distributions  * Redistribution and use in source and binary forms, with or without
33*699cd480SApple OSS Distributions  * modification, are permitted provided that the following conditions
34*699cd480SApple OSS Distributions  * are met:
35*699cd480SApple OSS Distributions  * 1. Redistributions of source code must retain the above copyright
36*699cd480SApple OSS Distributions  *    notice, this list of conditions and the following disclaimer.
37*699cd480SApple OSS Distributions  * 2. Redistributions in binary form must reproduce the above copyright
38*699cd480SApple OSS Distributions  *    notice, this list of conditions and the following disclaimer in the
39*699cd480SApple OSS Distributions  *    documentation and/or other materials provided with the distribution.
40*699cd480SApple OSS Distributions  * 3. Neither the name of the project nor the names of its contributors
41*699cd480SApple OSS Distributions  *    may be used to endorse or promote products derived from this software
42*699cd480SApple OSS Distributions  *    without specific prior written permission.
43*699cd480SApple OSS Distributions  *
44*699cd480SApple OSS Distributions  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
45*699cd480SApple OSS Distributions  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46*699cd480SApple OSS Distributions  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47*699cd480SApple OSS Distributions  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
48*699cd480SApple OSS Distributions  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49*699cd480SApple OSS Distributions  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50*699cd480SApple OSS Distributions  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51*699cd480SApple OSS Distributions  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52*699cd480SApple OSS Distributions  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53*699cd480SApple OSS Distributions  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54*699cd480SApple OSS Distributions  * SUCH DAMAGE.
55*699cd480SApple OSS Distributions  */
56*699cd480SApple OSS Distributions 
57*699cd480SApple OSS Distributions #ifndef _NETINET6_ND6_VAR_H_
58*699cd480SApple OSS Distributions #define _NETINET6_ND6_VAR_H_
59*699cd480SApple OSS Distributions 
60*699cd480SApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE
61*699cd480SApple OSS Distributions struct nd_ifinfo {
62*699cd480SApple OSS Distributions 	decl_lck_mtx_data(, lock);
63*699cd480SApple OSS Distributions 	boolean_t initialized;          /* Flag to see the entry is initialized */
64*699cd480SApple OSS Distributions 	u_int32_t linkmtu;              /* LinkMTU */
65*699cd480SApple OSS Distributions 	u_int32_t maxmtu;               /* Upper bound of LinkMTU */
66*699cd480SApple OSS Distributions 	u_int32_t basereachable;        /* BaseReachableTime */
67*699cd480SApple OSS Distributions 	u_int32_t reachable;            /* Reachable Time */
68*699cd480SApple OSS Distributions 	u_int32_t retrans;              /* Retrans Timer */
69*699cd480SApple OSS Distributions 	u_int32_t flags;                /* Flags */
70*699cd480SApple OSS Distributions 	int recalctm;                   /* BaseReacable re-calculation timer */
71*699cd480SApple OSS Distributions 	u_int8_t chlim;                 /* CurHopLimit */
72*699cd480SApple OSS Distributions 	u_int8_t _pad[3];
73*699cd480SApple OSS Distributions 	/* the following 3 members are for privacy extension for addrconf */
74*699cd480SApple OSS Distributions 	u_int8_t randomseed0[8]; /* upper 64 bits of SHA256 digest */
75*699cd480SApple OSS Distributions 	u_int8_t randomseed1[8]; /* lower 64 bits (usually the EUI64 IFID) */
76*699cd480SApple OSS Distributions 	u_int8_t randomid[8];   /* current random ID */
77*699cd480SApple OSS Distributions 	/* keep track of routers and prefixes on this link */
78*699cd480SApple OSS Distributions 	int32_t nprefixes;
79*699cd480SApple OSS Distributions 	int32_t ndefrouters;
80*699cd480SApple OSS Distributions 	boolean_t cga_initialized;
81*699cd480SApple OSS Distributions 	struct in6_cga_modifier local_cga_modifier;
82*699cd480SApple OSS Distributions 	uint8_t cga_collision_count;
83*699cd480SApple OSS Distributions };
84*699cd480SApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */
85*699cd480SApple OSS Distributions #endif /* _NETINET6_ND6_VAR_H_ */
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