1/* $FreeBSD: src/sys/netinet6/ip6protosw.h,v 1.2.2.3 2001/07/03 11:01:54 ume Exp $ */ 2/* 3 * Copyright (c) 2008-2009 Apple Inc. All rights reserved. 4 * 5 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 6 * 7 * This file contains Original Code and/or Modifications of Original Code 8 * as defined in and that are subject to the Apple Public Source License 9 * Version 2.0 (the 'License'). You may not use this file except in 10 * compliance with the License. The rights granted to you under the License 11 * may not be used to create, or enable the creation or redistribution of, 12 * unlawful or unlicensed copies of an Apple operating system, or to 13 * circumvent, violate, or enable the circumvention or violation of, any 14 * terms of an Apple operating system software license agreement. 15 * 16 * Please obtain a copy of the License at 17 * http://www.opensource.apple.com/apsl/ and read it before using this file. 18 * 19 * The Original Code and all software distributed under the License are 20 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 21 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 22 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 23 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 24 * Please see the License for the specific language governing rights and 25 * limitations under the License. 26 * 27 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 28 */ 29 30/* $KAME: ip6protosw.h,v 1.22 2001/02/08 18:02:08 itojun Exp $ */ 31 32/* 33 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 34 * All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. Neither the name of the project nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 */ 61 62/* BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp */ 63 64/*- 65 * Copyright (c) 1982, 1986, 1993 66 * The Regents of the University of California. All rights reserved. 67 * 68 * Redistribution and use in source and binary forms, with or without 69 * modification, are permitted provided that the following conditions 70 * are met: 71 * 1. Redistributions of source code must retain the above copyright 72 * notice, this list of conditions and the following disclaimer. 73 * 2. Redistributions in binary form must reproduce the above copyright 74 * notice, this list of conditions and the following disclaimer in the 75 * documentation and/or other materials provided with the distribution. 76 * 3. All advertising materials mentioning features or use of this software 77 * must display the following acknowledgement: 78 * This product includes software developed by the University of 79 * California, Berkeley and its contributors. 80 * 4. Neither the name of the University nor the names of its contributors 81 * may be used to endorse or promote products derived from this software 82 * without specific prior written permission. 83 * 84 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 85 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 86 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 87 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 88 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 89 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 90 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 91 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 92 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 93 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 94 * SUCH DAMAGE. 95 * 96 * @(#)protosw.h 8.1 (Berkeley) 6/2/93 97 */ 98 99#ifndef _NETINET6_IP6PROTOSW_H_ 100#define _NETINET6_IP6PROTOSW_H_ 101#include <sys/appleapiopts.h> 102 103#ifdef KERNEL_PRIVATE 104#include <kern/locks.h> 105 106/* 107 * Protocol switch table for IPv6. 108 * All other definitions should refer to sys/protosw.h 109 */ 110 111struct mbuf; 112struct sockaddr; 113struct socket; 114struct domain; 115struct proc; 116struct ip6_hdr; 117struct icmp6_hdr; 118struct in6_addr; 119struct pr_usrreqs; 120 121/* 122 * argument type for the last arg of pr_ctlinput(). 123 * should be consulted only with AF_INET6 family. 124 * 125 * IPv6 ICMP IPv6 [exthdrs] finalhdr payload 126 * ^ ^ ^ ^ 127 * | | ip6c_ip6 ip6c_off 128 * | ip6c_icmp6 129 * ip6c_m 130 * 131 * ip6c_finaldst usually points to ip6c_ip6->ip6_dst. if the original 132 * (internal) packet carries a routing header, it may point the final 133 * dstination address in the routing header. 134 * 135 * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6 136 * (beware of flowlabel, if you try to compare it against others) 137 * ip6c_dst: ip6c_finaldst + scope info 138 */ 139struct ip6ctlparam { 140 struct mbuf *ip6c_m; /* start of mbuf chain */ 141 struct icmp6_hdr *ip6c_icmp6; /* icmp6 header of target packet */ 142 struct ip6_hdr *ip6c_ip6; /* ip6 header of target packet */ 143 int ip6c_off; /* offset of the target proto header */ 144 struct sockaddr_in6 *ip6c_src; /* srcaddr w/ additional info */ 145 struct sockaddr_in6 *ip6c_dst; /* (final) dstaddr w/ additional info */ 146 struct in6_addr *ip6c_finaldst; /* final destination address */ 147 void *ip6c_cmdarg; /* control command dependent data */ 148 u_int8_t ip6c_nxt; /* final next header field */ 149}; 150 151#ifdef __LP64__ // K64todo: might also make sense for the generic case 152#pragma pack(4) 153#endif 154struct ip6protosw { 155 short pr_type; /* socket type used for */ 156 struct domain *pr_domain; /* domain protocol a member of */ 157 short pr_protocol; /* protocol number */ 158 unsigned int pr_flags; /* see below */ 159/* protocol-protocol hooks */ 160 int (*pr_input)(struct mbuf **, int *, int); 161 /* input to protocol (from below) */ 162 int (*pr_output)(struct mbuf *m, struct socket *so, 163 struct sockaddr_in6 *, struct mbuf *); 164 /* output to protocol (from above) */ 165 void (*pr_ctlinput)(int, struct sockaddr *, void *); 166 /* control input (from below) */ 167 int (*pr_ctloutput)(struct socket *, struct sockopt *); 168 /* control output (from above) */ 169/* user-protocol hook */ 170 int (*pr_usrreq)(struct socket *, int, struct mbuf *, 171 struct mbuf *, struct mbuf *, struct proc *); 172 /* user request: see list below */ 173 174/* utility hooks */ 175 void (*pr_init)(void); /* initialization hook */ 176#if __APPLE__ 177 void (*pr_unused)(void); /* placeholder - fasttimo is removed */ 178#else 179 void (*pr_fasttimo)(void); 180 /* fast timeout (200ms) */ 181#endif 182 void (*pr_slowtimo)(void); 183 /* slow timeout (500ms) */ 184 void (*pr_drain)(void); 185 /* flush any excess space possible */ 186#ifdef __APPLE__ 187 /* for compat. with IPv4 protosw */ 188 int (*pr_sysctl)(void); /* sysctl for protocol */ 189#endif 190 191 struct pr_usrreqs *pr_usrreqs; /* supersedes pr_usrreq() */ 192#ifdef __APPLE__ 193 int (*pr_lock) (struct socket *so, int locktype, void *debug); /* lock function for protocol */ 194 int (*pr_unlock) (struct socket *so, int locktype, void *debug); /* unlock for protocol */ 195#ifdef _KERN_LOCKS_H_ 196 lck_mtx_t * (*pr_getlock) (struct socket *so, int locktype); /* unlock for protocol */ 197#else 198 void * (*pr_getlock) (struct socket *so, int locktype); /* unlock for protocol */ 199#endif 200 /* Filter hooks */ 201 TAILQ_HEAD(pr6_sfilter, NFDescriptor) pr_sfilter; 202 struct ip6protosw *pr_next; /* Chain for domain */ 203 u_int32_t reserved[1]; 204#endif 205}; 206#ifdef __LP64__ // K64todo: might also make sense for the generic case 207#pragma pack() 208#endif 209 210#endif /* KERNEL_PRIVATE */ 211#endif /* _NETINET6_IP6PROTOSW_H_ */ 212