xref: /original-bsd/sys/net/raw_cb.h (revision abd50c55)
1 /*
2  * Copyright (c) 1980, 1986 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  *
17  *	@(#)raw_cb.h	7.5 (Berkeley) 04/22/89
18  */
19 
20 /*
21  * Raw protocol interface control block.  Used
22  * to tie a socket to the generic raw interface.
23  */
24 struct rawcb {
25 	struct	rawcb *rcb_next;	/* doubly linked list */
26 	struct	rawcb *rcb_prev;
27 	struct	socket *rcb_socket;	/* back pointer to socket */
28 	struct	sockaddr *rcb_faddr;	/* destination address */
29 	struct	sockaddr *rcb_laddr;	/* socket's address */
30 	struct	sockproto rcb_proto;	/* protocol family, protocol */
31 };
32 
33 #define	sotorawcb(so)		((struct rawcb *)(so)->so_pcb)
34 
35 /*
36  * Nominal space allocated to a raw socket.
37  */
38 #define	RAWSNDQ		8192
39 #define	RAWRCVQ		8192
40 
41 #ifdef KERNEL
42 struct rawcb rawcb;			/* head of list */
43 #endif
44