xref: /freebsd/sys/netinet6/in6_pcb.h (revision 7c43148a974877188a930e4078a164f83da8e652)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. Neither the name of the project nor the names of its contributors
16  *    may be used to endorse or promote products derived from this software
17  *    without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29  * SUCH DAMAGE.
30  *
31  *	$KAME: in6_pcb.h,v 1.13 2001/02/06 09:16:53 itojun Exp $
32  */
33 
34 /*-
35  * Copyright (c) 1982, 1986, 1990, 1993
36  *	The Regents of the University of California.  All rights reserved.
37  *
38  * Redistribution and use in source and binary forms, with or without
39  * modification, are permitted provided that the following conditions
40  * are met:
41  * 1. Redistributions of source code must retain the above copyright
42  *    notice, this list of conditions and the following disclaimer.
43  * 2. Redistributions in binary form must reproduce the above copyright
44  *    notice, this list of conditions and the following disclaimer in the
45  *    documentation and/or other materials provided with the distribution.
46  * 3. Neither the name of the University nor the names of its contributors
47  *    may be used to endorse or promote products derived from this software
48  *    without specific prior written permission.
49  *
50  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
51  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
54  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60  * SUCH DAMAGE.
61  */
62 
63 #ifndef _NETINET6_IN6_PCB_H_
64 #define	_NETINET6_IN6_PCB_H_
65 
66 #ifdef _KERNEL
67 #define	satosin6(sa)	((struct sockaddr_in6 *)(sa))
68 #define	sin6tosa(sin6)	((struct sockaddr *)(sin6))
69 #define	ifatoia6(ifa)	((struct in6_ifaddr *)(ifa))
70 
71 void	in6_pcbpurgeif0(struct inpcbinfo *, struct ifnet *);
72 void	in6_losing(struct inpcb *);
73 int	in6_pcbbind(struct inpcb *, struct sockaddr_in6 *, struct ucred *);
74 int	in6_pcbconnect(struct inpcb *, struct sockaddr_in6 *, struct ucred *,
75 	    bool);
76 void	in6_pcbdisconnect(struct inpcb *);
77 struct	inpcb *
78 	in6_pcblookup_local(struct inpcbinfo *,
79 				 struct in6_addr *, u_short, int,
80 				 struct ucred *);
81 struct inpcb *
82 	in6_pcblookup_hash_locked(struct inpcbinfo *pcbinfo,
83 	    const struct in6_addr *faddr, u_int fport_arg,
84 	    const struct in6_addr *laddr, u_int lport_arg,
85 	    int lookupflags, uint8_t);
86 struct	inpcb *
87 	in6_pcblookup(struct inpcbinfo *, struct in6_addr *,
88 			   u_int, struct in6_addr *, u_int, int,
89 			   struct ifnet *);
90 struct	inpcb *
91 	in6_pcblookup_mbuf(struct inpcbinfo *, struct in6_addr *,
92 			   u_int, struct in6_addr *, u_int, int,
93 			   struct ifnet *ifp, struct mbuf *);
94 void	in6_pcbnotify(struct inpcbinfo *, struct sockaddr_in6 *, u_int,
95 			   const struct sockaddr_in6 *, u_int, int, void *,
96 			   struct inpcb *(*)(struct inpcb *, int));
97 struct inpcb *
98 	in6_rtchange(struct inpcb *, int);
99 struct sockaddr *
100 	in6_sockaddr(in_port_t port, struct in6_addr *addr_p);
101 struct sockaddr *
102 	in6_v4mapsin6_sockaddr(in_port_t port, struct in_addr *addr_p);
103 int	in6_getpeeraddr(struct socket *so, struct sockaddr **nam);
104 int	in6_getsockaddr(struct socket *so, struct sockaddr **nam);
105 int	in6_mapped_sockaddr(struct socket *so, struct sockaddr **nam);
106 int	in6_mapped_peeraddr(struct socket *so, struct sockaddr **nam);
107 int	in6_selecthlim(struct inpcb *, struct ifnet *);
108 int	in6_pcbsetport(struct in6_addr *, struct inpcb *, struct ucred *);
109 void	init_sin6(struct sockaddr_in6 *sin6, struct mbuf *m, int);
110 #endif /* _KERNEL */
111 
112 #endif /* !_NETINET6_IN6_PCB_H_ */
113