xref: /xnu-10002.81.5/bsd/netinet6/nd6_var.h (revision 5e3eaea39dcf651e66cb99ba7d70e32cc4a99587)
1*5e3eaea3SApple OSS Distributions /*
2*5e3eaea3SApple OSS Distributions  * Copyright (c) 2016-2020 Apple Inc. All rights reserved.
3*5e3eaea3SApple OSS Distributions  *
4*5e3eaea3SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*5e3eaea3SApple OSS Distributions  *
6*5e3eaea3SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*5e3eaea3SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*5e3eaea3SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*5e3eaea3SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*5e3eaea3SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*5e3eaea3SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*5e3eaea3SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*5e3eaea3SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*5e3eaea3SApple OSS Distributions  *
15*5e3eaea3SApple OSS Distributions  * Please obtain a copy of the License at
16*5e3eaea3SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*5e3eaea3SApple OSS Distributions  *
18*5e3eaea3SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*5e3eaea3SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*5e3eaea3SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*5e3eaea3SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*5e3eaea3SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*5e3eaea3SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*5e3eaea3SApple OSS Distributions  * limitations under the License.
25*5e3eaea3SApple OSS Distributions  *
26*5e3eaea3SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*5e3eaea3SApple OSS Distributions  */
28*5e3eaea3SApple OSS Distributions /*
29*5e3eaea3SApple OSS Distributions  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
30*5e3eaea3SApple OSS Distributions  * All rights reserved.
31*5e3eaea3SApple OSS Distributions  *
32*5e3eaea3SApple OSS Distributions  * Redistribution and use in source and binary forms, with or without
33*5e3eaea3SApple OSS Distributions  * modification, are permitted provided that the following conditions
34*5e3eaea3SApple OSS Distributions  * are met:
35*5e3eaea3SApple OSS Distributions  * 1. Redistributions of source code must retain the above copyright
36*5e3eaea3SApple OSS Distributions  *    notice, this list of conditions and the following disclaimer.
37*5e3eaea3SApple OSS Distributions  * 2. Redistributions in binary form must reproduce the above copyright
38*5e3eaea3SApple OSS Distributions  *    notice, this list of conditions and the following disclaimer in the
39*5e3eaea3SApple OSS Distributions  *    documentation and/or other materials provided with the distribution.
40*5e3eaea3SApple OSS Distributions  * 3. Neither the name of the project nor the names of its contributors
41*5e3eaea3SApple OSS Distributions  *    may be used to endorse or promote products derived from this software
42*5e3eaea3SApple OSS Distributions  *    without specific prior written permission.
43*5e3eaea3SApple OSS Distributions  *
44*5e3eaea3SApple OSS Distributions  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
45*5e3eaea3SApple OSS Distributions  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
46*5e3eaea3SApple OSS Distributions  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
47*5e3eaea3SApple OSS Distributions  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
48*5e3eaea3SApple OSS Distributions  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
49*5e3eaea3SApple OSS Distributions  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
50*5e3eaea3SApple OSS Distributions  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
51*5e3eaea3SApple OSS Distributions  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
52*5e3eaea3SApple OSS Distributions  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
53*5e3eaea3SApple OSS Distributions  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
54*5e3eaea3SApple OSS Distributions  * SUCH DAMAGE.
55*5e3eaea3SApple OSS Distributions  */
56*5e3eaea3SApple OSS Distributions 
57*5e3eaea3SApple OSS Distributions #ifndef _NETINET6_ND6_VAR_H_
58*5e3eaea3SApple OSS Distributions #define _NETINET6_ND6_VAR_H_
59*5e3eaea3SApple OSS Distributions 
60*5e3eaea3SApple OSS Distributions #ifdef BSD_KERNEL_PRIVATE
61*5e3eaea3SApple OSS Distributions struct nd_ifinfo {
62*5e3eaea3SApple OSS Distributions 	decl_lck_mtx_data(, lock);
63*5e3eaea3SApple OSS Distributions 	boolean_t initialized;          /* Flag to see the entry is initialized */
64*5e3eaea3SApple OSS Distributions 	u_int32_t linkmtu;              /* LinkMTU */
65*5e3eaea3SApple OSS Distributions 	u_int32_t maxmtu;               /* Upper bound of LinkMTU */
66*5e3eaea3SApple OSS Distributions 	u_int32_t basereachable;        /* BaseReachableTime */
67*5e3eaea3SApple OSS Distributions 	u_int32_t reachable;            /* Reachable Time */
68*5e3eaea3SApple OSS Distributions 	u_int32_t retrans;              /* Retrans Timer */
69*5e3eaea3SApple OSS Distributions 	u_int32_t flags;                /* Flags */
70*5e3eaea3SApple OSS Distributions 	int recalctm;                   /* BaseReacable re-calculation timer */
71*5e3eaea3SApple OSS Distributions 	u_int8_t chlim;                 /* CurHopLimit */
72*5e3eaea3SApple OSS Distributions 	u_int8_t _pad[3];
73*5e3eaea3SApple OSS Distributions 	/* the following 3 members are for privacy extension for addrconf */
74*5e3eaea3SApple OSS Distributions 	u_int8_t randomseed0[8]; /* upper 64 bits of SHA256 digest */
75*5e3eaea3SApple OSS Distributions 	u_int8_t randomseed1[8]; /* lower 64 bits (usually the EUI64 IFID) */
76*5e3eaea3SApple OSS Distributions 	u_int8_t randomid[8];   /* current random ID */
77*5e3eaea3SApple OSS Distributions 	/* keep track of routers and prefixes on this link */
78*5e3eaea3SApple OSS Distributions 	int32_t nprefixes;
79*5e3eaea3SApple OSS Distributions 	int32_t ndefrouters;
80*5e3eaea3SApple OSS Distributions 	boolean_t cga_initialized;
81*5e3eaea3SApple OSS Distributions 	struct in6_cga_modifier local_cga_modifier;
82*5e3eaea3SApple OSS Distributions 	uint8_t cga_collision_count;
83*5e3eaea3SApple OSS Distributions };
84*5e3eaea3SApple OSS Distributions #endif /* BSD_KERNEL_PRIVATE */
85*5e3eaea3SApple OSS Distributions #endif /* _NETINET6_ND6_VAR_H_ */
86