/* $NetBSD: ip6protosw.h,v 1.27 2019/03/19 13:38:53 msaitoh Exp $ */ /* $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. 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_ /* * Protocol switch table for IPv6. * All other definitions should refer to sys/protosw.h */ struct mbuf; struct sockaddr; struct socket; struct domain; struct proc; struct ip6_hdr; struct icmp6_hdr; struct in6_addr; /* * 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 * destination 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 */ }; struct ip6protosw { int pr_type; /* socket type used for */ struct domain *pr_domain; /* domain protocol a member of */ short pr_protocol; /* protocol number */ short pr_flags; /* see below */ /* protocol-protocol hooks */ int (*pr_input) /* input to protocol (from below) */ (struct mbuf **, int *, int); void *(*pr_ctlinput) /* control input (from below) */ (int, const struct sockaddr *, void *); int (*pr_ctloutput) /* control output (from above) */ (int, struct socket *, struct sockopt *); /* user-protocol hook */ const struct pr_usrreqs *pr_usrreqs; /* utility hooks */ void (*pr_init) /* initialization hook */ (void); void (*pr_fasttimo) /* fast timeout (200ms) */ (void); void (*pr_slowtimo) /* slow timeout (500ms) */ (void); void (*pr_drain) /* flush any excess space possible */ (void); }; #ifdef _KERNEL #define PR_WRAP_INPUT6(name) \ static int \ name##_wrapper(struct mbuf **mp, int *offp, int proto) \ { \ int rv; \ mutex_enter(softnet_lock); \ rv = name(mp, offp, proto); \ mutex_exit(softnet_lock); \ return rv; \ } #endif extern const struct ip6protosw inet6sw[]; #endif /* !_NETINET6_IP6PROTOSW_H_ */
