/* * Copyright (c) 2008-2013 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@ */ /* $KAME: ip6protosw.h,v 1.22 2001/02/08 18:02:08 itojun Exp $ */ /* * 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. * */ /* BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp */ /*- * Copyright (c) 1982, 1986, 1993 * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * @(#)protosw.h 8.1 (Berkeley) 6/2/93 */ #ifndef _NETINET6_IP6PROTOSW_H_ #define _NETINET6_IP6PROTOSW_H_ #include <sys/appleapiopts.h> #ifdef BSD_KERNEL_PRIVATE #include <kern/locks.h> /* * Protocol switch table for IPv6. * All other definitions should refer to sys/protosw.h */ struct mbuf; struct sockaddr; struct socket; struct domain; struct ip6_hdr; struct icmp6_hdr; struct in6_addr; struct pr_usrreqs; /* * argument type for the last arg of pr_ctlinput(). * should be consulted only with AF_INET6 family. * * IPv6 ICMP IPv6 [exthdrs] finalhdr payload * ^ ^ ^ ^ * | | ip6c_ip6 ip6c_off * | ip6c_icmp6 * ip6c_m * * ip6c_finaldst usually points to ip6c_ip6->ip6_dst. if the original * (internal) packet carries a routing header, it may point the final * dstination address in the routing header. * * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6 * (beware of flowlabel, if you try to compare it against others) * ip6c_dst: ip6c_finaldst + scope info */ struct ip6ctlparam { struct mbuf *ip6c_m; /* start of mbuf chain */ struct icmp6_hdr *ip6c_icmp6; /* icmp6 header of target packet */ struct ip6_hdr *ip6c_ip6; /* ip6 header of target packet */ int ip6c_off; /* offset of the target proto header */ struct sockaddr_in6 *ip6c_src; /* srcaddr w/ additional info */ struct sockaddr_in6 *ip6c_dst; /* (final) dstaddr w/ additional info */ struct in6_addr *ip6c_finaldst; /* final destination address */ void *ip6c_cmdarg; /* control command dependent data */ u_int8_t ip6c_nxt; /* final next header field */ }; /* * TODO: * * This closesly resembles protosw; we should merge them one day. Offsets * must be exactly equivalent, due to casting. */ struct ip6protosw { TAILQ_ENTRY(ip6protosw) pr_entry; /* chain for domain */ struct domain *pr_domain; /* domain protocol a member of */ struct protosw *pr_protosw; /* pointer to self */ u_int16_t pr_type; /* socket type used for */ u_int16_t pr_protocol; /* protocol number */ u_int32_t pr_flags; /* see below */ /* * protocol-protocol hooks */ int (*pr_input) /* input to protocol (from below) */ (struct mbuf **, int *, int); int (*pr_output) /* output to protocol (from above) */ (struct mbuf *m, struct socket *so, struct sockaddr_in6 *, struct mbuf *); void (*pr_ctlinput) /* control input (from below) */ (int, struct sockaddr *, void *); int (*pr_ctloutput) /* control output (from above) */ (struct socket *, struct sockopt *); /* * user-protocol hook */ struct pr_usrreqs *pr_usrreqs; /* user request; see list below */ /* * utility hooks */ void (*pr_init) /* initialization hook */ (struct ip6protosw *, struct domain *); void (*pr_drain)(void); /* flush any excess space possible */ /* for compat. with IPv4 protosw */ int (*pr_sysctl)(void); /* sysctl for protocol */ int (*pr_lock) /* lock function for protocol */ (struct socket *so, int locktype, void *debug); int (*pr_unlock) /* unlock for protocol */ (struct socket *so, int locktype, void *debug); lck_mtx_t *(*pr_getlock) /* retrieve protocol lock */ (struct socket *so, int locktype); /* * misc */ TAILQ_HEAD(, socket_filter) pr_filter_head; struct protosw_old *pr_old; }; #endif /* BSD_KERNEL_PRIVATE */ #endif /* _NETINET6_IP6PROTOSW_H_ */