user_ip6_var.h (5009B)
1 /*- 2 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 */ 30 /*- 31 * Copyright (c) 1982, 1986, 1993 32 * The Regents of the University of California. All rights reserved. 33 * 34 * Redistribution and use in source and binary forms, with or without 35 * modification, are permitted provided that the following conditions 36 * are met: 37 * 1. Redistributions of source code must retain the above copyright 38 * notice, this list of conditions and the following disclaimer. 39 * 2. Redistributions in binary form must reproduce the above copyright 40 * notice, this list of conditions and the following disclaimer in the 41 * documentation and/or other materials provided with the distribution. 42 * 3. Neither the name of the University nor the names of its contributors 43 * may be used to endorse or promote products derived from this software 44 * without specific prior written permission. 45 * 46 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 47 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 49 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 52 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 53 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 54 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 55 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 56 * SUCH DAMAGE. 57 * 58 */ 59 60 #ifndef _USER_IP6_VAR_H_ 61 #define _USER_IP6_VAR_H_ 62 63 #if defined(_WIN32) 64 struct ip6_hdr { 65 union { 66 struct ip6_hdrctl { 67 uint32_t ip6_un1_flow; /* 20 bits of flow-ID */ 68 uint16_t ip6_un1_plen; /* payload length */ 69 uint8_t ip6_un1_nxt; /* next header */ 70 uint8_t ip6_un1_hlim; /* hop limit */ 71 } ip6_un1; 72 uint8_t ip6_un2_vfc; /* 4 bits version, top 4 bits class */ 73 } ip6_ctlun; 74 struct in6_addr ip6_src; /* source address */ 75 struct in6_addr ip6_dst; /* destination address */ 76 }; 77 #define ip6_vfc ip6_ctlun.ip6_un2_vfc 78 #define ip6_flow ip6_ctlun.ip6_un1.ip6_un1_flow 79 #define ip6_plen ip6_ctlun.ip6_un1.ip6_un1_plen 80 #define ip6_nxt ip6_ctlun.ip6_un1.ip6_un1_nxt 81 #define ip6_hlim ip6_ctlun.ip6_un1.ip6_un1_hlim 82 #define ip6_hops ip6_ctlun.ip6_un1.ip6_un1_hlim 83 84 #define IPV6_VERSION 0x60 85 #endif 86 87 #if defined(_WIN32) 88 #define s6_addr16 u.Word 89 #endif 90 #if !defined(_WIN32) && !defined(__linux__) && !defined(__EMSCRIPTEN__) 91 #define s6_addr8 __u6_addr.__u6_addr8 92 #define s6_addr16 __u6_addr.__u6_addr16 93 #define s6_addr32 __u6_addr.__u6_addr32 94 #endif 95 96 #if !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__DragonFly__) 97 struct route_in6 { 98 struct rtentry *ro_rt; 99 struct llentry *ro_lle; 100 struct in6_addr *ro_ia6; 101 int ro_flags; 102 struct sockaddr_in6 ro_dst; 103 }; 104 #endif 105 #define IP6_EXTHDR_GET(val, typ, m, off, len) \ 106 do { \ 107 struct mbuf *t; \ 108 int tmp; \ 109 if ((m)->m_len >= (off) + (len)) \ 110 (val) = (typ)(mtod((m), caddr_t) + (off)); \ 111 else { \ 112 t = m_pulldown((m), (off), (len), &tmp); \ 113 if (t) { \ 114 KASSERT(t->m_len >= tmp + (len), \ 115 ("m_pulldown malfunction")); \ 116 (val) = (typ)(mtod(t, caddr_t) + tmp); \ 117 } else { \ 118 (val) = (typ)NULL; \ 119 (m) = NULL; \ 120 } \ 121 } \ 122 } while (0) 123 124 #endif /* !_USER_IP6_VAR_H_ */