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[apple/xnu.git] / bsd / net / raw_cb.h

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/*
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 *	The Regents of the University of California.  All rights reserved.
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 *	@(#)raw_cb.h	8.1 (Berkeley) 6/10/93
 */

#ifndef _NET_RAW_CB_H_
#define _NET_RAW_CB_H_

#include <sys/queue.h>

/*
 * Raw protocol interface control block.  Used
 * to tie a socket to the generic raw interface.
 */
struct rawcb {
	LIST_ENTRY(rawcb) list;
	struct	socket *rcb_socket;	/* back pointer to socket */
	struct	sockaddr *rcb_faddr;	/* destination address */
	struct	sockaddr *rcb_laddr;	/* socket's address */
	struct	sockproto rcb_proto;	/* protocol family, protocol */
	u_long	reserved[4];		/* for future use */
};

#define	sotorawcb(so)		((struct rawcb *)(so)->so_pcb)

/*
 * Nominal space allocated to a raw socket.
 */
#define	RAWSNDQ		8192
#define	RAWRCVQ		8192

#ifdef KERNEL
extern LIST_HEAD(rawcb_list_head, rawcb) rawcb_list;

int	 raw_attach __P((struct socket *, int));
void	 raw_ctlinput __P((int, struct sockaddr *, void *));
void	 raw_detach __P((struct rawcb *));
void	 raw_disconnect __P((struct rawcb *));
void	 raw_init __P((void));
void	 raw_input __P((struct mbuf *,
	    struct sockproto *, struct sockaddr *, struct sockaddr *));

extern	struct pr_usrreqs raw_usrreqs;
#endif

#endif