xref: /xnu-10002.61.3/bsd/netinet6/nd6_var.h (revision 0f4c859e951fba394238ab619495c4e1d54d0f34)
1*0f4c859eSApple OSS Distributions /*
2*0f4c859eSApple OSS Distributions  * Copyright (c) 2016-2020 Apple Inc. All rights reserved.
3*0f4c859eSApple OSS Distributions  *
4*0f4c859eSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*0f4c859eSApple OSS Distributions  *
6*0f4c859eSApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*0f4c859eSApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*0f4c859eSApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*0f4c859eSApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*0f4c859eSApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*0f4c859eSApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*0f4c859eSApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*0f4c859eSApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*0f4c859eSApple OSS Distributions  *
15*0f4c859eSApple OSS Distributions  * Please obtain a copy of the License at
16*0f4c859eSApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*0f4c859eSApple OSS Distributions  *
18*0f4c859eSApple OSS Distributions  * The Original Code and all software distributed under the License are
19*0f4c859eSApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*0f4c859eSApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*0f4c859eSApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*0f4c859eSApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*0f4c859eSApple OSS Distributions  * Please see the License for the specific language governing rights and
24*0f4c859eSApple OSS Distributions  * limitations under the License.
25*0f4c859eSApple OSS Distributions  *
26*0f4c859eSApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*0f4c859eSApple OSS Distributions  */
28*0f4c859eSApple OSS Distributions /*
29*0f4c859eSApple OSS Distributions  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
30*0f4c859eSApple OSS Distributions  * All rights reserved.
31*0f4c859eSApple OSS Distributions  *
32*0f4c859eSApple OSS Distributions  * Redistribution and use in source and binary forms, with or without
33*0f4c859eSApple OSS Distributions  * modification, are permitted provided that the following conditions
34*0f4c859eSApple OSS Distributions  * are met:
35*0f4c859eSApple OSS Distributions  * 1. Redistributions of source code must retain the above copyright
36*0f4c859eSApple OSS Distributions  *    notice, this list of conditions and the following disclaimer.
37*0f4c859eSApple OSS Distributions  * 2. Redistributions in binary form must reproduce the above copyright
38*0f4c859eSApple OSS Distributions  *    notice, this list of conditions and the following disclaimer in the
39*0f4c859eSApple OSS Distributions  *    documentation and/or other materials provided with the distribution.
40*0f4c859eSApple OSS Distributions  * 3. Neither the name of the project nor the names of its contributors
41*0f4c859eSApple OSS Distributions  *    may be used to endorse or promote products derived from this software
42*0f4c859eSApple OSS Distributions  *    without specific prior written permission.
43*0f4c859eSApple OSS Distributions  *
44*0f4c859eSApple OSS Distributions  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
45*0f4c859eSApple OSS Distributions  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46*0f4c859eSApple OSS Distributions  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47*0f4c859eSApple OSS Distributions  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
48*0f4c859eSApple OSS Distributions  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49*0f4c859eSApple OSS Distributions  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50*0f4c859eSApple OSS Distributions  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51*0f4c859eSApple OSS Distributions  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52*0f4c859eSApple OSS Distributions  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53*0f4c859eSApple OSS Distributions  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54*0f4c859eSApple OSS Distributions  * SUCH DAMAGE.
55*0f4c859eSApple OSS Distributions  */
56*0f4c859eSApple OSS Distributions 
57*0f4c859eSApple OSS Distributions #ifndef _NETINET6_ND6_VAR_H_
58*0f4c859eSApple OSS Distributions #define _NETINET6_ND6_VAR_H_
59*0f4c859eSApple OSS Distributions 
60*0f4c859eSApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE
61*0f4c859eSApple OSS Distributions struct nd_ifinfo {
62*0f4c859eSApple OSS Distributions 	decl_lck_mtx_data(, lock);
63*0f4c859eSApple OSS Distributions 	boolean_t initialized;          /* Flag to see the entry is initialized */
64*0f4c859eSApple OSS Distributions 	u_int32_t linkmtu;              /* LinkMTU */
65*0f4c859eSApple OSS Distributions 	u_int32_t maxmtu;               /* Upper bound of LinkMTU */
66*0f4c859eSApple OSS Distributions 	u_int32_t basereachable;        /* BaseReachableTime */
67*0f4c859eSApple OSS Distributions 	u_int32_t reachable;            /* Reachable Time */
68*0f4c859eSApple OSS Distributions 	u_int32_t retrans;              /* Retrans Timer */
69*0f4c859eSApple OSS Distributions 	u_int32_t flags;                /* Flags */
70*0f4c859eSApple OSS Distributions 	int recalctm;                   /* BaseReacable re-calculation timer */
71*0f4c859eSApple OSS Distributions 	u_int8_t chlim;                 /* CurHopLimit */
72*0f4c859eSApple OSS Distributions 	u_int8_t _pad[3];
73*0f4c859eSApple OSS Distributions 	/* the following 3 members are for privacy extension for addrconf */
74*0f4c859eSApple OSS Distributions 	u_int8_t randomseed0[8]; /* upper 64 bits of SHA256 digest */
75*0f4c859eSApple OSS Distributions 	u_int8_t randomseed1[8]; /* lower 64 bits (usually the EUI64 IFID) */
76*0f4c859eSApple OSS Distributions 	u_int8_t randomid[8];   /* current random ID */
77*0f4c859eSApple OSS Distributions 	/* keep track of routers and prefixes on this link */
78*0f4c859eSApple OSS Distributions 	int32_t nprefixes;
79*0f4c859eSApple OSS Distributions 	int32_t ndefrouters;
80*0f4c859eSApple OSS Distributions 	boolean_t cga_initialized;
81*0f4c859eSApple OSS Distributions 	struct in6_cga_modifier local_cga_modifier;
82*0f4c859eSApple OSS Distributions 	uint8_t cga_collision_count;
83*0f4c859eSApple OSS Distributions };
84*0f4c859eSApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */
85*0f4c859eSApple OSS Distributions #endif /* _NETINET6_ND6_VAR_H_ */
86