1 /* $FreeBSD: src/sys/netinet6/ip6protosw.h,v 1.2.2.4 2002/04/28 05:40:27 suz Exp $ */ 2 /* $DragonFly: src/sys/netinet6/ip6protosw.h,v 1.3 2003/08/23 11:02:45 rob Exp $ */ 3 /* $KAME: ip6protosw.h,v 1.25 2001/09/26 06:13:03 keiichi Exp $ */ 4 5 /* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 */ 34 35 /* BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp */ 36 37 /*- 38 * Copyright (c) 1982, 1986, 1993 39 * The Regents of the University of California. All rights reserved. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. All advertising materials mentioning features or use of this software 50 * must display the following acknowledgement: 51 * This product includes software developed by the University of 52 * California, Berkeley and its contributors. 53 * 4. Neither the name of the University nor the names of its contributors 54 * may be used to endorse or promote products derived from this software 55 * without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 58 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 59 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 60 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 61 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 62 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 63 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 64 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 65 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 67 * SUCH DAMAGE. 68 * 69 * @(#)protosw.h 8.1 (Berkeley) 6/2/93 70 */ 71 72 #ifndef _NETINET6_IP6PROTOSW_H_ 73 #define _NETINET6_IP6PROTOSW_H_ 74 75 /* 76 * Protocol switch table for IPv6. 77 * All other definitions should refer to sys/protosw.h 78 */ 79 80 struct mbuf; 81 struct sockaddr; 82 struct socket; 83 struct domain; 84 struct proc; 85 struct ip6_hdr; 86 struct icmp6_hdr; 87 struct in6_addr; 88 struct pr_usrreqs; 89 90 /* 91 * argument type for the last arg of pr_ctlinput(). 92 * should be consulted only with AF_INET6 family. 93 * 94 * IPv6 ICMP IPv6 [exthdrs] finalhdr paylaod 95 * ^ ^ ^ ^ 96 * | | ip6c_ip6 ip6c_off 97 * | ip6c_icmp6 98 * ip6c_m 99 * 100 * ip6c_finaldst usually points to ip6c_ip6->ip6_dst. if the original 101 * (internal) packet carries a routing header, it may point the final 102 * dstination address in the routing header. 103 * 104 * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6 105 * (beware of flowlabel, if you try to compare it against others) 106 * ip6c_dst: ip6c_finaldst + scope info 107 */ 108 struct ip6ctlparam { 109 struct mbuf *ip6c_m; /* start of mbuf chain */ 110 struct icmp6_hdr *ip6c_icmp6; /* icmp6 header of target packet */ 111 struct ip6_hdr *ip6c_ip6; /* ip6 header of target packet */ 112 int ip6c_off; /* offset of the target proto header */ 113 struct sockaddr_in6 *ip6c_src; /* srcaddr w/ additional info */ 114 struct sockaddr_in6 *ip6c_dst; /* (final) dstaddr w/ additional info */ 115 struct in6_addr *ip6c_finaldst; /* final destination address */ 116 void *ip6c_cmdarg; /* control command dependent data */ 117 u_int8_t ip6c_nxt; /* final next header field */ 118 }; 119 120 struct ip6protosw { 121 short pr_type; /* socket type used for */ 122 struct domain *pr_domain; /* domain protocol a member of */ 123 short pr_protocol; /* protocol number */ 124 short pr_flags; /* see below */ 125 126 /* protocol-protocol hooks */ 127 int (*pr_input) /* input to protocol (from below) */ 128 (struct mbuf **, int *, int); 129 int (*pr_output) /* output to protocol (from above) */ 130 (struct mbuf *, ...); 131 void (*pr_ctlinput) /* control input (from below) */ 132 (int, struct sockaddr *, void *); 133 int (*pr_ctloutput) /* control output (from above) */ 134 (struct socket *, struct sockopt *); 135 136 /* user-protocol hook */ 137 int (*pr_usrreq) /* user request: see list below */ 138 (struct socket *, int, struct mbuf *, 139 struct mbuf *, struct mbuf *, struct proc *); 140 141 /* utility hooks */ 142 void (*pr_init) /* initialization hook */ 143 (void); 144 145 void (*pr_fasttimo) /* fast timeout (200ms) */ 146 (void); 147 void (*pr_slowtimo) /* slow timeout (500ms) */ 148 (void); 149 void (*pr_drain) /* flush any excess space possible */ 150 (void); 151 struct pr_usrreqs *pr_usrreqs; /* supersedes pr_usrreq() */ 152 }; 153 154 #endif /* !_NETINET6_IP6PROTOSW_H_ */ 155