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9bccf70c A |
1 | /* $FreeBSD: src/sys/netinet6/ip6protosw.h,v 1.2.2.3 2001/07/03 11:01:54 ume Exp $ */ |
2 | /* $KAME: ip6protosw.h,v 1.22 2001/02/08 18:02:08 itojun Exp $ */ | |
3 | ||
1c79356b A |
4 | /* |
5 | * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. | |
6 | * All rights reserved. | |
9bccf70c | 7 | * |
1c79356b A |
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. | |
9bccf70c | 19 | * |
1c79356b A |
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. All advertising materials mentioning features or use of this software | |
49 | * must display the following acknowledgement: | |
50 | * This product includes software developed by the University of | |
51 | * California, Berkeley and its contributors. | |
52 | * 4. Neither the name of the University nor the names of its contributors | |
53 | * may be used to endorse or promote products derived from this software | |
54 | * without specific prior written permission. | |
55 | * | |
56 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
57 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
58 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
59 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
60 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
61 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
62 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
63 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
64 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
65 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
66 | * SUCH DAMAGE. | |
67 | * | |
68 | * @(#)protosw.h 8.1 (Berkeley) 6/2/93 | |
1c79356b A |
69 | */ |
70 | ||
71 | #ifndef _NETINET6_IP6PROTOSW_H_ | |
72 | #define _NETINET6_IP6PROTOSW_H_ | |
9bccf70c A |
73 | #include <sys/appleapiopts.h> |
74 | #ifdef __APPLE_API_PRIVATE | |
1c79356b A |
75 | |
76 | /* | |
77 | * Protocol switch table for IPv6. | |
78 | * All other definitions should refer to sys/protosw.h | |
79 | */ | |
80 | ||
81 | struct mbuf; | |
82 | struct sockaddr; | |
83 | struct socket; | |
84 | struct domain; | |
85 | struct proc; | |
86 | struct ip6_hdr; | |
9bccf70c A |
87 | struct icmp6_hdr; |
88 | struct in6_addr; | |
1c79356b | 89 | struct pr_usrreqs; |
1c79356b | 90 | |
1c79356b A |
91 | /* |
92 | * argument type for the last arg of pr_ctlinput(). | |
93 | * should be consulted only with AF_INET6 family. | |
9bccf70c A |
94 | * |
95 | * IPv6 ICMP IPv6 [exthdrs] finalhdr paylaod | |
96 | * ^ ^ ^ ^ | |
97 | * | | ip6c_ip6 ip6c_off | |
98 | * | ip6c_icmp6 | |
99 | * ip6c_m | |
100 | * | |
101 | * ip6c_finaldst usually points to ip6c_ip6->ip6_dst. if the original | |
102 | * (internal) packet carries a routing header, it may point the final | |
103 | * dstination address in the routing header. | |
104 | * | |
105 | * ip6c_src: ip6c_ip6->ip6_src + scope info + flowlabel in ip6c_ip6 | |
106 | * (beware of flowlabel, if you try to compare it against others) | |
107 | * ip6c_dst: ip6c_finaldst + scope info | |
1c79356b A |
108 | */ |
109 | struct ip6ctlparam { | |
110 | struct mbuf *ip6c_m; /* start of mbuf chain */ | |
9bccf70c | 111 | struct icmp6_hdr *ip6c_icmp6; /* icmp6 header of target packet */ |
1c79356b A |
112 | struct ip6_hdr *ip6c_ip6; /* ip6 header of target packet */ |
113 | int ip6c_off; /* offset of the target proto header */ | |
9bccf70c A |
114 | struct sockaddr_in6 *ip6c_src; /* srcaddr w/ additional info */ |
115 | struct sockaddr_in6 *ip6c_dst; /* (final) dstaddr w/ additional info */ | |
116 | struct in6_addr *ip6c_finaldst; /* final destination address */ | |
117 | void *ip6c_cmdarg; /* control command dependent data */ | |
118 | u_int8_t ip6c_nxt; /* final next header field */ | |
1c79356b A |
119 | }; |
120 | ||
121 | struct ip6protosw { | |
122 | short pr_type; /* socket type used for */ | |
123 | struct domain *pr_domain; /* domain protocol a member of */ | |
124 | short pr_protocol; /* protocol number */ | |
125 | unsigned int pr_flags; /* see below */ | |
126 | /* protocol-protocol hooks */ | |
9bccf70c | 127 | int (*pr_input) __P((struct mbuf **, int *)); |
1c79356b A |
128 | /* input to protocol (from below) */ |
129 | int (*pr_output) __P((struct mbuf *m, struct socket *so, | |
130 | struct sockaddr_in6 *, struct mbuf *)); | |
131 | /* output to protocol (from above) */ | |
55e303ae | 132 | void (*pr_ctlinput)__P((int, struct sockaddr *, void *)); |
1c79356b A |
133 | /* control input (from below) */ |
134 | int (*pr_ctloutput)__P((struct socket *, struct sockopt *)); | |
135 | /* control output (from above) */ | |
136 | /* user-protocol hook */ | |
137 | int (*pr_usrreq) /* user request: see list below */ | |
138 | __P((struct socket *, int, struct mbuf *, | |
139 | struct mbuf *, struct mbuf *, struct proc *)); | |
140 | ||
141 | /* utility hooks */ | |
142 | void (*pr_init) __P((void)); /* initialization hook */ | |
143 | void (*pr_fasttimo) __P((void)); | |
144 | /* fast timeout (200ms) */ | |
145 | void (*pr_slowtimo) __P((void)); | |
146 | /* slow timeout (500ms) */ | |
147 | void (*pr_drain) __P((void)); | |
148 | /* flush any excess space possible */ | |
9bccf70c A |
149 | #ifdef __APPLE__ |
150 | /* for compat. with IPv4 protosw */ | |
1c79356b | 151 | int (*pr_sysctl)(); /* sysctl for protocol */ |
9bccf70c | 152 | #endif |
1c79356b A |
153 | |
154 | struct pr_usrreqs *pr_usrreqs; /* supersedes pr_usrreq() */ | |
9bccf70c A |
155 | #ifdef __APPLE__ |
156 | /* Filter hooks */ | |
1c79356b | 157 | TAILQ_HEAD(pr6_sfilter, NFDescriptor) pr_sfilter; |
9bccf70c A |
158 | struct ip6protosw *pr_next; /* Chain for domain */ |
159 | u_long reserved[4]; | |
160 | #endif | |
1c79356b A |
161 | }; |
162 | ||
9bccf70c | 163 | #endif /* __APPLE_API_PRIVATE */ |
1c79356b | 164 | #endif |