| 1 | /* $NetBSD: ip6protosw.h,v 1.25 2016/01/21 15:41:30 riastradh Exp $ */ |
| 2 | /* $KAME: ip6protosw.h,v 1.22 2001/02/08 18:02:08 itojun Exp $ */ |
| 3 | |
| 4 | /* |
| 5 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. Neither the name of the project nor the names of its contributors |
| 17 | * may be used to endorse or promote products derived from this software |
| 18 | * without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
| 21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
| 24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 30 | * SUCH DAMAGE. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | /* BSDI protosw.h,v 2.3 1996/10/11 16:02:40 pjd Exp */ |
| 35 | |
| 36 | /*- |
| 37 | * Copyright (c) 1982, 1986, 1993 |
| 38 | * The Regents of the University of California. All rights reserved. |
| 39 | * |
| 40 | * Redistribution and use in source and binary forms, with or without |
| 41 | * modification, are permitted provided that the following conditions |
| 42 | * are met: |
| 43 | * 1. Redistributions of source code must retain the above copyright |
| 44 | * notice, this list of conditions and the following disclaimer. |
| 45 | * 2. Redistributions in binary form must reproduce the above copyright |
| 46 | * notice, this list of conditions and the following disclaimer in the |
| 47 | * documentation and/or other materials provided with the distribution. |
| 48 | * 3. Neither the name of the University nor the names of its contributors |
| 49 | * may be used to endorse or promote products derived from this software |
| 50 | * without specific prior written permission. |
| 51 | * |
| 52 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
| 53 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 54 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 55 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
| 56 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 57 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 58 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 59 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 60 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 61 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 62 | * SUCH DAMAGE. |
| 63 | * |
| 64 | * @(#)protosw.h 8.1 (Berkeley) 6/2/93 |
| 65 | */ |
| 66 | |
| 67 | #ifndef _NETINET6_IP6PROTOSW_H_ |
| 68 | #define _NETINET6_IP6PROTOSW_H_ |
| 69 | |
| 70 | /* |
| 71 | * Protocol switch table for IPv6. |
| 72 | * All other definitions should refer to sys/protosw.h |
| 73 | */ |
| 74 | |
| 75 | struct mbuf; |
| 76 | struct sockaddr; |
| 77 | struct socket; |
| 78 | struct domain; |
| 79 | struct proc; |
| 80 | struct ip6_hdr; |
| 81 | struct icmp6_hdr; |
| 82 | struct in6_addr; |
| 83 | |
| 84 | /* |
| 85 | * argument type for the last arg of pr_ctlinput(). |
| 86 | * should be consulted only with AF_INET6 family. |
| 87 | * |
| 88 | * IPv6 ICMP IPv6 [exthdrs] finalhdr paylaod |
| 89 | * ^ ^ ^ ^ |
| 90 | * | | ip6c_ip6 ip6c_off |
| 91 | * | ip6c_icmp6 |
| 92 | * ip6c_m |
| 93 | * |
| 94 | * ip6c_finaldst usually points to ip6c_ip6->ip6_dst. if the original |
| 95 | * (internal) packet carries a routing header, it may point the final |
| 96 | * dstination address in the routing header. |
| 97 | * |
| 98 | * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6 |
| 99 | * (beware of flowlabel, if you try to compare it against others) |
| 100 | * ip6c_dst: ip6c_finaldst + scope info |
| 101 | */ |
| 102 | struct ip6ctlparam { |
| 103 | struct mbuf *ip6c_m; /* start of mbuf chain */ |
| 104 | struct icmp6_hdr *ip6c_icmp6; /* icmp6 header of target packet */ |
| 105 | struct ip6_hdr *ip6c_ip6; /* ip6 header of target packet */ |
| 106 | int ip6c_off; /* offset of the target proto header */ |
| 107 | struct sockaddr_in6 *ip6c_src; /* srcaddr w/ additional info */ |
| 108 | struct sockaddr_in6 *ip6c_dst; /* (final) dstaddr w/ additional info */ |
| 109 | struct in6_addr *ip6c_finaldst; /* final destination address */ |
| 110 | void *ip6c_cmdarg; /* control command dependent data */ |
| 111 | u_int8_t ip6c_nxt; /* final next header field */ |
| 112 | }; |
| 113 | |
| 114 | struct ip6protosw { |
| 115 | int pr_type; /* socket type used for */ |
| 116 | struct domain *pr_domain; /* domain protocol a member of */ |
| 117 | short pr_protocol; /* protocol number */ |
| 118 | short pr_flags; /* see below */ |
| 119 | |
| 120 | /* protocol-protocol hooks */ |
| 121 | int (*pr_input) /* input to protocol (from below) */ |
| 122 | (struct mbuf **, int *, int); |
| 123 | void *(*pr_ctlinput) /* control input (from below) */ |
| 124 | (int, const struct sockaddr *, void *); |
| 125 | int (*pr_ctloutput) /* control output (from above) */ |
| 126 | (int, struct socket *, struct sockopt *); |
| 127 | |
| 128 | /* user-protocol hook */ |
| 129 | const struct pr_usrreqs *pr_usrreqs; |
| 130 | |
| 131 | /* utility hooks */ |
| 132 | void (*pr_init) /* initialization hook */ |
| 133 | (void); |
| 134 | |
| 135 | void (*pr_fasttimo) /* fast timeout (200ms) */ |
| 136 | (void); |
| 137 | void (*pr_slowtimo) /* slow timeout (500ms) */ |
| 138 | (void); |
| 139 | void (*pr_drain) /* flush any excess space possible */ |
| 140 | (void); |
| 141 | }; |
| 142 | |
| 143 | extern const struct ip6protosw inet6sw[]; |
| 144 | |
| 145 | #endif /* !_NETINET6_IP6PROTOSW_H_ */ |
| 146 | |