xref: /netbsd-src/sys/net/raw_cb.h (revision b7b7574d3bf8eeb51a1fa3977b59142ec6434a55)
1 /*	$NetBSD: raw_cb.h,v 1.22 2014/05/21 20:43:56 rmind 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 #ifdef _KERNEL
38 
39 /*
40  * Raw protocol interface control block.  Used
41  * to tie a socket to the generic raw interface.
42  */
43 struct rawcb {
44 	LIST_ENTRY(rawcb) rcb_list;	/* doubly linked list */
45 	struct	socket *rcb_socket;	/* back pointer to socket */
46 	struct	sockaddr *rcb_faddr;	/* destination address */
47 	struct	sockaddr *rcb_laddr;	/* socket's address */
48 	struct	sockproto rcb_proto;	/* protocol family, protocol */
49 	size_t	rcb_len;
50 };
51 
52 #define	sotorawcb(so)		((struct rawcb *)(so)->so_pcb)
53 
54 /*
55  * Nominal space allocated to a raw socket.
56  */
57 #define	RAWSNDQ		8192
58 #define	RAWRCVQ		8192
59 
60 LIST_HEAD(rawcbhead, rawcb);
61 extern	struct	rawcbhead rawcb;		/* head of list */
62 
63 int	raw_attach(struct socket *, int);
64 void	*raw_ctlinput(int, const struct sockaddr *, void *);
65 void	raw_detach(struct socket *);
66 void	raw_disconnect(struct rawcb *);
67 void	raw_init(void);
68 void	raw_input(struct mbuf *, ...);
69 int	raw_usrreq(struct socket *,
70 	    int, struct mbuf *, struct mbuf *, struct mbuf *, struct lwp *);
71 void	raw_setsockaddr(struct rawcb *, struct mbuf *);
72 void	raw_setpeeraddr(struct rawcb *, struct mbuf *);
73 
74 #endif /* _KERNEL */
75 
76 #endif /* !_NET_RAW_CB_H_ */
77