| 1 | /*- |
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| 2 | * SPDX-License-Identifier: BSD-3-Clause |
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| 3 | * |
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| 4 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
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| 5 | * All rights reserved. |
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| 6 | * |
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| 7 | * Redistribution and use in source and binary forms, with or without |
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| 8 | * modification, are permitted provided that the following conditions |
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| 9 | * are met: |
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| 10 | * 1. Redistributions of source code must retain the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer. |
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| 12 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 13 | * notice, this list of conditions and the following disclaimer in the |
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| 14 | * documentation and/or other materials provided with the distribution. |
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| 15 | * 3. Neither the name of the project nor the names of its contributors |
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| 16 | * may be used to endorse or promote products derived from this software |
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| 17 | * without specific prior written permission. |
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| 18 | * |
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
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| 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
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| 23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 29 | * SUCH DAMAGE. |
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| 30 | * |
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| 31 | * $KAME: in6.h,v 1.89 2001/05/27 13:28:35 itojun Exp $ |
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| 32 | */ |
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| 33 | |
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| 34 | /** |
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| 35 | * @file |
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| 36 | * |
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| 37 | * @ingroup RTEMSImplFreeBSDKernel |
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| 38 | * |
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| 39 | * @brief This header file provides IPv6 definitions for the kernel space |
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| 40 | * (_KERNEL is defined before including <netinet6/in6.h>). |
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| 41 | */ |
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| 42 | |
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| 43 | #if defined(_NETINET6_IN6_H_) && defined(_KERNEL) |
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| 44 | |
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| 45 | /* XXX nonstandard */ |
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| 46 | #define s6_addr8 __u6_addr.__u6_addr8 |
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| 47 | #define s6_addr16 __u6_addr.__u6_addr16 |
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| 48 | #define s6_addr32 __u6_addr.__u6_addr32 |
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| 49 | |
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| 50 | /* |
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| 51 | * Local definition for masks |
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| 52 | */ |
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| 53 | /* XXX nonstandard */ |
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| 54 | #define IN6MASK0 {{{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }}} |
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| 55 | #define IN6MASK32 {{{ 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, \ |
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| 56 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
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| 57 | #define IN6MASK64 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
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| 58 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }}} |
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| 59 | #define IN6MASK96 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
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| 60 | 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00 }}} |
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| 61 | #define IN6MASK128 {{{ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, \ |
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| 62 | 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }}} |
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| 63 | |
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| 64 | extern const struct sockaddr_in6 sa6_any; |
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| 65 | |
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| 66 | extern const struct in6_addr in6mask0; |
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| 67 | extern const struct in6_addr in6mask32; |
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| 68 | extern const struct in6_addr in6mask64; |
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| 69 | extern const struct in6_addr in6mask96; |
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| 70 | extern const struct in6_addr in6mask128; |
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| 71 | |
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| 72 | /* |
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| 73 | * Macros started with IPV6_ADDR is KAME local |
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| 74 | */ |
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| 75 | /* XXX nonstandard */ |
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| 76 | #if _BYTE_ORDER == _BIG_ENDIAN |
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| 77 | #define IPV6_ADDR_INT32_ONE 1 |
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| 78 | #define IPV6_ADDR_INT32_TWO 2 |
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| 79 | #define IPV6_ADDR_INT32_MNL 0xff010000 |
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| 80 | #define IPV6_ADDR_INT32_MLL 0xff020000 |
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| 81 | #define IPV6_ADDR_INT32_SMP 0x0000ffff |
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| 82 | #define IPV6_ADDR_INT16_ULL 0xfe80 |
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| 83 | #define IPV6_ADDR_INT16_USL 0xfec0 |
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| 84 | #define IPV6_ADDR_INT16_MLL 0xff02 |
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| 85 | #elif _BYTE_ORDER == _LITTLE_ENDIAN |
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| 86 | #define IPV6_ADDR_INT32_ONE 0x01000000 |
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| 87 | #define IPV6_ADDR_INT32_TWO 0x02000000 |
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| 88 | #define IPV6_ADDR_INT32_MNL 0x000001ff |
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| 89 | #define IPV6_ADDR_INT32_MLL 0x000002ff |
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| 90 | #define IPV6_ADDR_INT32_SMP 0xffff0000 |
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| 91 | #define IPV6_ADDR_INT16_ULL 0x80fe |
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| 92 | #define IPV6_ADDR_INT16_USL 0xc0fe |
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| 93 | #define IPV6_ADDR_INT16_MLL 0x02ff |
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| 94 | #endif |
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| 95 | |
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| 96 | /* XXX nonstandard */ |
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| 97 | #define IPV6_ADDR_SCOPE_NODELOCAL 0x01 |
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| 98 | #define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01 |
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| 99 | #define IPV6_ADDR_SCOPE_LINKLOCAL 0x02 |
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| 100 | #define IPV6_ADDR_SCOPE_SITELOCAL 0x05 |
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| 101 | #define IPV6_ADDR_SCOPE_ORGLOCAL 0x08 /* just used in this file */ |
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| 102 | #define IPV6_ADDR_SCOPE_GLOBAL 0x0e |
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| 103 | |
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| 104 | #define IPV6_ADDR_MC_SCOPE(a) ((a)->s6_addr[1] & 0x0f) |
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| 105 | |
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| 106 | /* refers nonstandard items */ |
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| 107 | #define IN6_IS_ADDR_MC_NODELOCAL(a) \ |
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| 108 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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| 109 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_NODELOCAL)) |
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| 110 | #define IN6_IS_ADDR_MC_INTFACELOCAL(a) \ |
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| 111 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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| 112 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_INTFACELOCAL)) |
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| 113 | #define IN6_IS_ADDR_MC_LINKLOCAL(a) \ |
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| 114 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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| 115 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL)) |
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| 116 | #define IN6_IS_ADDR_MC_SITELOCAL(a) \ |
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| 117 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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| 118 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL)) |
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| 119 | #define IN6_IS_ADDR_MC_ORGLOCAL(a) \ |
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| 120 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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| 121 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL)) |
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| 122 | #define IN6_IS_ADDR_MC_GLOBAL(a) \ |
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| 123 | (IN6_IS_ADDR_MULTICAST(a) && \ |
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| 124 | (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_GLOBAL)) |
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| 125 | |
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| 126 | /* nonstandard */ |
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| 127 | /* |
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| 128 | * KAME Scope |
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| 129 | */ |
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| 130 | #define IN6_IS_SCOPE_LINKLOCAL(a) \ |
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| 131 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ |
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| 132 | (IN6_IS_ADDR_MC_LINKLOCAL(a))) |
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| 133 | #define IN6_IS_SCOPE_EMBED(a) \ |
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| 134 | ((IN6_IS_ADDR_LINKLOCAL(a)) || \ |
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| 135 | (IN6_IS_ADDR_MC_LINKLOCAL(a)) || \ |
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| 136 | (IN6_IS_ADDR_MC_INTFACELOCAL(a))) |
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| 137 | |
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| 138 | #define IFA6_IS_DEPRECATED(a) \ |
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| 139 | ((a)->ia6_lifetime.ia6t_pltime != ND6_INFINITE_LIFETIME && \ |
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| 140 | (u_int32_t)((time_uptime - (a)->ia6_updatetime)) > \ |
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| 141 | (a)->ia6_lifetime.ia6t_pltime) |
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| 142 | #define IFA6_IS_INVALID(a) \ |
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| 143 | ((a)->ia6_lifetime.ia6t_vltime != ND6_INFINITE_LIFETIME && \ |
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| 144 | (u_int32_t)((time_uptime - (a)->ia6_updatetime)) > \ |
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| 145 | (a)->ia6_lifetime.ia6t_vltime) |
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| 146 | |
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| 147 | #define MTAG_ABI_IPV6 1444287380 /* IPv6 ABI */ |
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| 148 | #define IPV6_TAG_DIRECT 0 /* direct-dispatch IPv6 */ |
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| 149 | |
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| 150 | /* RFC2292 options */ |
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| 151 | #define IPV6_2292PKTINFO 19 /* bool; send/recv if, src/dst addr */ |
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| 152 | #define IPV6_2292HOPLIMIT 20 /* bool; hop limit */ |
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| 153 | #define IPV6_2292NEXTHOP 21 /* bool; next hop addr */ |
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| 154 | #define IPV6_2292HOPOPTS 22 /* bool; hop-by-hop option */ |
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| 155 | #define IPV6_2292DSTOPTS 23 /* bool; destinaion option */ |
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| 156 | #define IPV6_2292RTHDR 24 /* bool; routing header */ |
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| 157 | #define IPV6_2292PKTOPTIONS 25 /* buf/cmsghdr; set/get IPv6 options */ |
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| 158 | |
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| 159 | #define IPV6_RECVRTHDRDSTOPTS 41 /* bool; recv dst option before rthdr */ |
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| 160 | |
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| 161 | struct cmsghdr; |
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| 162 | struct ip6_hdr; |
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| 163 | |
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| 164 | int in6_cksum_pseudo(struct ip6_hdr *, uint32_t, uint8_t, uint16_t); |
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| 165 | int in6_cksum(struct mbuf *, u_int8_t, u_int32_t, u_int32_t); |
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| 166 | int in6_cksum_partial(struct mbuf *, u_int8_t, u_int32_t, u_int32_t, |
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| 167 | u_int32_t); |
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| 168 | int in6_localaddr(struct in6_addr *); |
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| 169 | int in6_localip(struct in6_addr *); |
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| 170 | bool in6_localip_fib(struct in6_addr *, uint16_t); |
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| 171 | int in6_ifhasaddr(struct ifnet *, struct in6_addr *); |
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| 172 | int in6_addrscope(const struct in6_addr *); |
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| 173 | char *ip6_sprintf(char *, const struct in6_addr *); |
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| 174 | struct in6_ifaddr *in6_ifawithifp(struct ifnet *, struct in6_addr *); |
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| 175 | extern void in6_if_up(struct ifnet *); |
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| 176 | struct sockaddr; |
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| 177 | extern u_char ip6_protox[]; |
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| 178 | |
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| 179 | void in6_sin6_2_sin(struct sockaddr_in *sin, |
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| 180 | struct sockaddr_in6 *sin6); |
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| 181 | void in6_sin_2_v4mapsin6(struct sockaddr_in *sin, |
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| 182 | struct sockaddr_in6 *sin6); |
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| 183 | void in6_sin6_2_sin_in_sock(struct sockaddr *nam); |
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| 184 | void in6_sin_2_v4mapsin6_in_sock(struct sockaddr **nam); |
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| 185 | extern void addrsel_policy_init(void); |
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| 186 | |
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| 187 | #define satosin6(sa) ((struct sockaddr_in6 *)(sa)) |
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| 188 | #define sin6tosa(sin6) ((struct sockaddr *)(sin6)) |
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| 189 | #define ifatoia6(ifa) ((struct in6_ifaddr *)(ifa)) |
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| 190 | |
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| 191 | #else /* !_NETINET6_IN6_H_ || !_KERNEL */ |
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| 192 | #error "must be included via <netinet6/in6.h> in kernel space" |
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| 193 | #endif /* _NETINET6_IN6_H_ && _KERNEL */ |
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