xref: /dragonfly/sys/net/raw_cb.h (revision 851dc90d)
1 /*
2  * Copyright (c) 1980, 1986, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	@(#)raw_cb.h	8.1 (Berkeley) 6/10/93
34  * $FreeBSD: src/sys/net/raw_cb.h,v 1.12 1999/12/29 04:38:37 peter Exp $
35  * $DragonFly: src/sys/net/raw_cb.h,v 1.3 2003/08/26 20:49:47 rob Exp $
36  */
37 
38 #ifndef _NET_RAW_CB_H_
39 #define _NET_RAW_CB_H_
40 
41 #include <sys/queue.h>
42 
43 /*
44  * Raw protocol interface control block.  Used
45  * to tie a socket to the generic raw interface.
46  */
47 struct rawcb {
48 	LIST_ENTRY(rawcb) list;
49 	struct	socket *rcb_socket;	/* back pointer to socket */
50 	struct	sockaddr *rcb_faddr;	/* destination address */
51 	struct	sockaddr *rcb_laddr;	/* socket's address */
52 	struct	sockproto rcb_proto;	/* protocol family, protocol */
53 };
54 
55 #define	sotorawcb(so)		((struct rawcb *)(so)->so_pcb)
56 
57 /*
58  * Nominal space allocated to a raw socket.
59  */
60 #define	RAWSNDQ		8192
61 #define	RAWRCVQ		8192
62 
63 #ifdef _KERNEL
64 extern LIST_HEAD(rawcb_list_head, rawcb) rawcb_list;
65 
66 int	 raw_attach (struct socket *, int);
67 void	 raw_ctlinput (int, struct sockaddr *, void *);
68 void	 raw_detach (struct rawcb *);
69 void	 raw_disconnect (struct rawcb *);
70 void	 raw_init (void);
71 void	 raw_input (struct mbuf *,
72 	    struct sockproto *, struct sockaddr *, struct sockaddr *);
73 
74 extern	struct pr_usrreqs raw_usrreqs;
75 #endif
76 
77 #endif
78