[apple/xnu.git] / bsd / netinet6 / nd6_var.h

/*
 * Copyright (c) 2016-2020 Apple Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
 *
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 *
 * Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */
/*
 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the project nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#ifndef _NETINET6_ND6_VAR_H_
#define _NETINET6_ND6_VAR_H_

#ifdef BSD_KERNEL_PRIVATE
struct nd_ifinfo {
	decl_lck_mtx_data(, lock);
	boolean_t initialized;          /* Flag to see the entry is initialized */
	u_int32_t linkmtu;              /* LinkMTU */
	u_int32_t maxmtu;               /* Upper bound of LinkMTU */
	u_int32_t basereachable;        /* BaseReachableTime */
	u_int32_t reachable;            /* Reachable Time */
	u_int32_t retrans;              /* Retrans Timer */
	u_int32_t flags;                /* Flags */
	int recalctm;                   /* BaseReacable re-calculation timer */
	u_int8_t chlim;                 /* CurHopLimit */
	u_int8_t _pad[3];
	/* the following 3 members are for privacy extension for addrconf */
	u_int8_t randomseed0[8]; /* upper 64 bits of SHA1 digest */
	u_int8_t randomseed1[8]; /* lower 64 bits (usually the EUI64 IFID) */
	u_int8_t randomid[8];   /* current random ID */
	/* keep track of routers and prefixes on this link */
	int32_t nprefixes;
	int32_t ndefrouters;
	boolean_t cga_initialized;
	struct in6_cga_modifier local_cga_modifier;
	uint8_t cga_collision_count;
};
#endif /* BSD_KERNEL_PRIVATE */
#endif /* _NETINET6_ND6_VAR_H_ */
Commit	Line	Data
3e170ce0	1	/*
f427ee49	2	* Copyright (c) 2016-2020 Apple Inc. All rights reserved.
3e170ce0 A	3	*
	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
	5	*
	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
	25	*
	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
	27	*/
	28	/*
	29	* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
	30	* All rights reserved.
	31	*
	32	* Redistribution and use in source and binary forms, with or without
	33	* modification, are permitted provided that the following conditions
	34	* are met:
	35	* 1. Redistributions of source code must retain the above copyright
	36	* notice, this list of conditions and the following disclaimer.
	37	* 2. Redistributions in binary form must reproduce the above copyright
	38	* notice, this list of conditions and the following disclaimer in the
	39	* documentation and/or other materials provided with the distribution.
	40	* 3. Neither the name of the project nor the names of its contributors
	41	* may be used to endorse or promote products derived from this software
	42	* without specific prior written permission.
	43	*
	44	* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
	45	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	46	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	47	* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
	48	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	49	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	50	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	51	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	52	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	53	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	54	* SUCH DAMAGE.
	55	*/
	56
	57	#ifndef _NETINET6_ND6_VAR_H_
0a7de745	58	#define _NETINET6_ND6_VAR_H_
3e170ce0 A	59
	60	#ifdef BSD_KERNEL_PRIVATE
	61	struct nd_ifinfo {
	62	decl_lck_mtx_data(, lock);
	63	boolean_t initialized; /* Flag to see the entry is initialized */
	64	u_int32_t linkmtu; /* LinkMTU */
	65	u_int32_t maxmtu; /* Upper bound of LinkMTU */
	66	u_int32_t basereachable; /* BaseReachableTime */
	67	u_int32_t reachable; /* Reachable Time */
	68	u_int32_t retrans; /* Retrans Timer */
	69	u_int32_t flags; /* Flags */
	70	int recalctm; /* BaseReacable re-calculation timer */
	71	u_int8_t chlim; /* CurHopLimit */
	72	u_int8_t _pad[3];
	73	/* the following 3 members are for privacy extension for addrconf */
	74	u_int8_t randomseed0[8]; /* upper 64 bits of SHA1 digest */
	75	u_int8_t randomseed1[8]; /* lower 64 bits (usually the EUI64 IFID) */
	76	u_int8_t randomid[8]; /* current random ID */
	77	/* keep track of routers and prefixes on this link */
	78	int32_t nprefixes;
	79	int32_t ndefrouters;
39037602	80	boolean_t cga_initialized;
3e170ce0	81	struct in6_cga_modifier local_cga_modifier;
f427ee49	82	uint8_t cga_collision_count;
3e170ce0 A	83	};
	84	#endif /* BSD_KERNEL_PRIVATE */
	85	#endif /* _NETINET6_ND6_VAR_H_ */