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 | |