xref: /netbsd-src/sys/net/raw_cb.h (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: raw_cb.h,v 1.16 2003/08/07 16:32:56 agc Exp $	*/
2 
3 /*
4  * Copyright (c) 1980, 1986, 1993
5  *	The Regents of the University of California.  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 University 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 REGENTS 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 REGENTS 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  *	@(#)raw_cb.h	8.1 (Berkeley) 6/10/93
32  */
33 
34 #ifndef _NET_RAW_CB_H_
35 #define _NET_RAW_CB_H_
36 
37 /*
38  * Raw protocol interface control block.  Used
39  * to tie a socket to the generic raw interface.
40  */
41 struct rawcb {
42 	LIST_ENTRY(rawcb) rcb_list;	/* doubly linked list */
43 	struct	socket *rcb_socket;	/* back pointer to socket */
44 	struct	sockaddr *rcb_faddr;	/* destination address */
45 	struct	sockaddr *rcb_laddr;	/* socket's address */
46 	struct	sockproto rcb_proto;	/* protocol family, protocol */
47 };
48 
49 #define	sotorawcb(so)		((struct rawcb *)(so)->so_pcb)
50 
51 /*
52  * Nominal space allocated to a raw socket.
53  */
54 #define	RAWSNDQ		8192
55 #define	RAWRCVQ		8192
56 
57 #ifdef _KERNEL
58 LIST_HEAD(rawcbhead, rawcb);
59 extern	struct	rawcbhead rawcb;		/* head of list */
60 
61 int	raw_attach __P((struct socket *, int));
62 void	*raw_ctlinput __P((int, struct sockaddr *, void *));
63 void	raw_detach __P((struct rawcb *));
64 void	raw_disconnect __P((struct rawcb *));
65 void	raw_init __P((void));
66 void	raw_input __P((struct mbuf *, ...));
67 int	raw_usrreq __P((struct socket *,
68 	    int, struct mbuf *, struct mbuf *, struct mbuf *, struct proc *));
69 void	raw_setsockaddr __P((struct rawcb *, struct mbuf *));
70 void	raw_setpeeraddr __P((struct rawcb *, struct mbuf *));
71 
72 #endif /* _KERNEL */
73 
74 #endif /* _NET_RAW_CB_H_ */
75