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 1.7 2006/05/20 02:42:12 dillon 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 #ifndef _SYS_TYPES_H_ 76 #include <sys/types.h> 77 #endif 78 79 /* 80 * Protocol switch table for IPv6. 81 * All other definitions should refer to sys/protosw.h 82 */ 83 84 struct mbuf; 85 struct sockaddr; 86 struct socket; 87 struct sockopt; 88 struct domain; 89 struct proc; 90 struct ip6_hdr; 91 struct icmp6_hdr; 92 struct in6_addr; 93 struct pr_usrreqs; 94 95 /* 96 * argument type for the last arg of pr_ctlinput(). 97 * should be consulted only with AF_INET6 family. 98 * 99 * IPv6 ICMP IPv6 [exthdrs] finalhdr paylaod 100 * ^ ^ ^ ^ 101 * | | ip6c_ip6 ip6c_off 102 * | ip6c_icmp6 103 * ip6c_m 104 * 105 * ip6c_finaldst usually points to ip6c_ip6->ip6_dst. if the original 106 * (internal) packet carries a routing header, it may point the final 107 * dstination address in the routing header. 108 * 109 * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6 110 * (beware of flowlabel, if you try to compare it against others) 111 * ip6c_dst: ip6c_finaldst + scope info 112 */ 113 struct ip6ctlparam { 114 struct mbuf *ip6c_m; /* start of mbuf chain */ 115 struct icmp6_hdr *ip6c_icmp6; /* icmp6 header of target packet */ 116 struct ip6_hdr *ip6c_ip6; /* ip6 header of target packet */ 117 int ip6c_off; /* offset of the target proto header */ 118 struct sockaddr_in6 *ip6c_src; /* srcaddr w/ additional info */ 119 struct sockaddr_in6 *ip6c_dst; /* (final) dstaddr w/ additional info */ 120 struct in6_addr *ip6c_finaldst; /* final destination address */ 121 void *ip6c_cmdarg; /* control command dependent data */ 122 u_int8_t ip6c_nxt; /* final next header field */ 123 }; 124 125 struct lwkt_port; 126 127 struct ip6protosw { 128 short pr_type; /* socket type used for */ 129 const struct domain *pr_domain; /* domain protocol a member of */ 130 short pr_protocol; /* protocol number */ 131 short pr_flags; /* see below */ 132 133 /* protocol-protocol hooks */ 134 int (*pr_input) /* input to protocol (from below) */ 135 (struct mbuf **, int *, int); 136 int (*pr_output) /* output to protocol (from above) */ 137 (struct mbuf *, struct socket *, ...); 138 void (*pr_ctlinput) /* control input (from below) */ 139 (int, struct sockaddr *, void *); 140 int (*pr_ctloutput) /* control output (from above) */ 141 (struct socket *, struct sockopt *); 142 143 /* user-protocol hook */ 144 struct lwkt_port *(*pr_soport) 145 (struct socket *, struct sockaddr *, int); 146 147 /* utility hooks */ 148 void (*pr_init) /* initialization hook */ 149 (void); 150 151 void (*pr_fasttimo) /* fast timeout (200ms) */ 152 (void); 153 void (*pr_slowtimo) /* slow timeout (500ms) */ 154 (void); 155 void (*pr_drain) /* flush any excess space possible */ 156 (void); 157 const struct pr_usrreqs *pr_usrreqs; /* supersedes pr_usrreq() */ 158 }; 159 160 #endif /* !_NETINET6_IP6PROTOSW_H_ */ 161