in6_pcb.h revision 1.11 1 1.11 itojun /* $NetBSD: in6_pcb.h,v 1.11 2000/06/05 06:38:23 itojun Exp $ */
2 1.11 itojun /* $KAME: in6_pcb.h,v 1.25 2000/06/05 00:41:58 itojun Exp $ */
3 1.3 thorpej
4 1.2 itojun /*
5 1.2 itojun * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
6 1.2 itojun * All rights reserved.
7 1.11 itojun *
8 1.2 itojun * Redistribution and use in source and binary forms, with or without
9 1.2 itojun * modification, are permitted provided that the following conditions
10 1.2 itojun * are met:
11 1.2 itojun * 1. Redistributions of source code must retain the above copyright
12 1.2 itojun * notice, this list of conditions and the following disclaimer.
13 1.2 itojun * 2. Redistributions in binary form must reproduce the above copyright
14 1.2 itojun * notice, this list of conditions and the following disclaimer in the
15 1.2 itojun * documentation and/or other materials provided with the distribution.
16 1.2 itojun * 3. Neither the name of the project nor the names of its contributors
17 1.2 itojun * may be used to endorse or promote products derived from this software
18 1.2 itojun * without specific prior written permission.
19 1.11 itojun *
20 1.2 itojun * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21 1.2 itojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 1.2 itojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 1.2 itojun * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24 1.2 itojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 1.2 itojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 1.2 itojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 1.2 itojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 1.2 itojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 1.2 itojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 1.2 itojun * SUCH DAMAGE.
31 1.2 itojun */
32 1.2 itojun
33 1.2 itojun /*
34 1.2 itojun * Copyright (c) 1982, 1986, 1990, 1993
35 1.2 itojun * The Regents of the University of California. All rights reserved.
36 1.2 itojun *
37 1.2 itojun * Redistribution and use in source and binary forms, with or without
38 1.2 itojun * modification, are permitted provided that the following conditions
39 1.2 itojun * are met:
40 1.2 itojun * 1. Redistributions of source code must retain the above copyright
41 1.2 itojun * notice, this list of conditions and the following disclaimer.
42 1.2 itojun * 2. Redistributions in binary form must reproduce the above copyright
43 1.2 itojun * notice, this list of conditions and the following disclaimer in the
44 1.2 itojun * documentation and/or other materials provided with the distribution.
45 1.2 itojun * 3. All advertising materials mentioning features or use of this software
46 1.2 itojun * must display the following acknowledgement:
47 1.2 itojun * This product includes software developed by the University of
48 1.2 itojun * California, Berkeley and its contributors.
49 1.2 itojun * 4. Neither the name of the University nor the names of its contributors
50 1.2 itojun * may be used to endorse or promote products derived from this software
51 1.2 itojun * without specific prior written permission.
52 1.2 itojun *
53 1.2 itojun * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54 1.2 itojun * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 1.2 itojun * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 1.2 itojun * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
57 1.2 itojun * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 1.2 itojun * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 1.2 itojun * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 1.2 itojun * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 1.2 itojun * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 1.2 itojun * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 1.2 itojun * SUCH DAMAGE.
64 1.2 itojun *
65 1.2 itojun * @(#)in_pcb.h 8.1 (Berkeley) 6/10/93
66 1.2 itojun */
67 1.2 itojun
68 1.2 itojun #ifndef _NETINET6_IN6_PCB_H_
69 1.2 itojun #define _NETINET6_IN6_PCB_H_
70 1.2 itojun
71 1.2 itojun #include <sys/queue.h>
72 1.2 itojun
73 1.2 itojun /*
74 1.2 itojun * Common structure pcb for internet protocol implementation.
75 1.2 itojun * Here are stored pointers to local and foreign host table
76 1.2 itojun * entries, local and foreign socket numbers, and pointers
77 1.2 itojun * up (to a socket structure) and down (to a protocol-specific)
78 1.2 itojun * control block.
79 1.2 itojun */
80 1.2 itojun struct icmp6_filter;
81 1.8 itojun struct inpcbpolicy;
82 1.2 itojun
83 1.2 itojun struct in6pcb {
84 1.2 itojun struct in6pcb *in6p_next, *in6p_prev;
85 1.2 itojun /* pointers to other pcb's */
86 1.2 itojun struct in6pcb *in6p_head; /* pointer back to chain of
87 1.2 itojun in6pcb's for this protocol */
88 1.2 itojun struct in6_addr in6p_faddr; /* foreign host table entry */
89 1.10 itojun u_int16_t in6p_fport; /* foreign port */
90 1.2 itojun struct in6_addr in6p_laddr; /* local host table entry */
91 1.10 itojun u_int16_t in6p_lport; /* local port */
92 1.5 itojun u_int32_t in6p_flowinfo; /* priority and flowlabel */
93 1.2 itojun struct socket *in6p_socket; /* back pointer to socket */
94 1.2 itojun caddr_t in6p_ppcb; /* pointer to per-protocol pcb */
95 1.2 itojun struct route_in6 in6p_route; /* placeholder for routing entry */
96 1.2 itojun int in6p_flags; /* generic IP6/datagram flags */
97 1.2 itojun int in6p_hops; /* default hop limit */
98 1.2 itojun struct ip6_hdr in6p_ip6; /* header prototype */
99 1.2 itojun struct mbuf *in6p_options; /* IP6 options */
100 1.2 itojun struct ip6_pktopts *in6p_outputopts; /* IP6 options for outgoing packets */
101 1.2 itojun struct ip6_moptions *in6p_moptions; /* IP6 multicast options */
102 1.2 itojun u_short in6p_ifindex;
103 1.2 itojun /* should move the following just after next/prev */
104 1.2 itojun LIST_ENTRY(in6pcb) in6p_hlist; /* hash chain */
105 1.2 itojun u_long in6p_hash; /* hash value */
106 1.2 itojun #if 1 /*IPSEC*/
107 1.8 itojun struct inpcbpolicy *in6p_sp; /* security policy. */
108 1.2 itojun #endif
109 1.2 itojun struct icmp6_filter *in6p_icmp6filt;
110 1.2 itojun int in6p_cksum; /* IPV6_CHECKSUM setsockopt */
111 1.2 itojun };
112 1.2 itojun
113 1.2 itojun #define in6p_ip6_nxt in6p_ip6.ip6_nxt /* for KAME src sync over BSD*'s */
114 1.2 itojun
115 1.7 itojun /*
116 1.7 itojun * Flags in in6p_flags
117 1.7 itojun * We define KAME's original flags in higher 16 bits as much as possible
118 1.7 itojun * for compatibility with *bsd*s.
119 1.7 itojun */
120 1.7 itojun #define IN6P_RECVOPTS 0x001000 /* receive incoming IP6 options */
121 1.7 itojun #define IN6P_RECVRETOPTS 0x002000 /* receive IP6 options for reply */
122 1.7 itojun #define IN6P_RECVDSTADDR 0x004000 /* receive IP6 dst address */
123 1.7 itojun #define IN6P_PKTINFO 0x010000 /* receive IP6 dst and I/F */
124 1.7 itojun #define IN6P_HOPLIMIT 0x020000 /* receive hoplimit */
125 1.7 itojun #define IN6P_HOPOPTS 0x040000 /* receive hop-by-hop options */
126 1.7 itojun #define IN6P_DSTOPTS 0x080000 /* receive dst options after rthdr */
127 1.7 itojun #define IN6P_RTHDR 0x100000 /* receive routing header */
128 1.7 itojun #define IN6P_RTHDRDSTOPTS 0x200000 /* receive dstoptions before rthdr */
129 1.7 itojun
130 1.7 itojun #define IN6P_HIGHPORT 0x1000000 /* user wants "high" port binding */
131 1.7 itojun #define IN6P_LOWPORT 0x2000000 /* user wants "low" port binding */
132 1.7 itojun #define IN6P_ANONPORT 0x4000000 /* port chosen for user */
133 1.7 itojun #define IN6P_FAITH 0x8000000 /* accept FAITH'ed connections */
134 1.7 itojun #define IN6P_BINDV6ONLY 0x10000000 /* do not grab IPv4 traffic */
135 1.7 itojun
136 1.7 itojun #define IN6P_CONTROLOPTS (IN6P_PKTINFO|IN6P_HOPLIMIT|IN6P_HOPOPTS|\
137 1.7 itojun IN6P_DSTOPTS|IN6P_RTHDR|IN6P_RTHDRDSTOPTS)
138 1.7 itojun
139 1.2 itojun
140 1.2 itojun #define IN6PLOOKUP_WILDCARD 1
141 1.2 itojun #define IN6PLOOKUP_SETLOCAL 2
142 1.2 itojun
143 1.2 itojun /* compute hash value for foreign and local in6_addr and port */
144 1.2 itojun #define IN6_HASH(faddr, fport, laddr, lport) \
145 1.2 itojun (((faddr)->s6_addr32[0] ^ (faddr)->s6_addr32[1] ^ \
146 1.2 itojun (faddr)->s6_addr32[2] ^ (faddr)->s6_addr32[3] ^ \
147 1.2 itojun (laddr)->s6_addr32[0] ^ (laddr)->s6_addr32[1] ^ \
148 1.2 itojun (laddr)->s6_addr32[2] ^ (laddr)->s6_addr32[3]) \
149 1.2 itojun + (fport) + (lport))
150 1.2 itojun
151 1.2 itojun #define sotoin6pcb(so) ((struct in6pcb *)(so)->so_pcb)
152 1.2 itojun
153 1.2 itojun #ifdef _KERNEL
154 1.2 itojun void in6_losing __P((struct in6pcb *));
155 1.2 itojun int in6_pcballoc __P((struct socket *, struct in6pcb *));
156 1.11 itojun int in6_pcbbind __P((struct in6pcb *, struct mbuf *, struct proc *));
157 1.2 itojun int in6_pcbconnect __P((struct in6pcb *, struct mbuf *));
158 1.2 itojun void in6_pcbdetach __P((struct in6pcb *));
159 1.2 itojun void in6_pcbdisconnect __P((struct in6pcb *));
160 1.2 itojun struct in6pcb *
161 1.2 itojun in6_pcblookup __P((struct in6pcb *,
162 1.2 itojun struct in6_addr *, u_int, struct in6_addr *,
163 1.2 itojun u_int, int));
164 1.2 itojun int in6_pcbnotify __P((struct in6pcb *, struct sockaddr *,
165 1.2 itojun u_int, struct in6_addr *, u_int, int,
166 1.2 itojun void (*)(struct in6pcb *, int)));
167 1.9 thorpej void in6_pcbpurgeif __P((struct in6pcb *, struct ifnet *));
168 1.6 itojun int in6_pcbsetport __P((struct in6_addr *, struct in6pcb *));
169 1.2 itojun void in6_rtchange __P((struct in6pcb *, int));
170 1.2 itojun void in6_setpeeraddr __P((struct in6pcb *, struct mbuf *));
171 1.2 itojun void in6_setsockaddr __P((struct in6pcb *, struct mbuf *));
172 1.2 itojun struct in6_addr *in6_selectsrc __P((struct sockaddr_in6 *,
173 1.6 itojun struct ip6_pktopts *,
174 1.6 itojun struct ip6_moptions *,
175 1.6 itojun struct route_in6 *,
176 1.6 itojun struct in6_addr *, int *));
177 1.6 itojun int in6_selecthlim __P((struct in6pcb *, struct ifnet *));
178 1.2 itojun
179 1.2 itojun #ifndef TCP6
180 1.2 itojun extern struct rtentry *
181 1.2 itojun in6_pcbrtentry __P((struct in6pcb *));
182 1.2 itojun extern struct in6pcb *in6_pcblookup_connect __P((struct in6pcb *,
183 1.4 itojun struct in6_addr *, u_int, struct in6_addr *, u_int, int));
184 1.2 itojun extern struct in6pcb *in6_pcblookup_bind __P((struct in6pcb *,
185 1.4 itojun struct in6_addr *, u_int, int));
186 1.2 itojun #endif
187 1.2 itojun #endif /* _KERNEL */
188 1.2 itojun
189 1.2 itojun #endif /* !_NETINET6_IN6_PCB_H_ */
190