static char sccsid[] = "@(#)89	1.12  src/bos/kernel/net/raw_cb.c, sysnet, bos411, 9428A410j 4/25/94 17:11:54";
/*
 *   COMPONENT_NAME: SYSNET
 *
 *   FUNCTIONS: raw_attach
 *		raw_bind
 *		raw_detach
 *		raw_disconnect
 *		
 *
 *   ORIGINS: 26,27,85
 *
 *
 *   (C) COPYRIGHT International Business Machines Corp. 1988,1993
 *   All Rights Reserved
 *   Licensed Materials - Property of IBM
 *   US Government Users Restricted Rights - Use, duplication or
 *   disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */

/*
 * 
 * (c) Copyright 1991, OPEN SOFTWARE FOUNDATION, INC.
 * ALL RIGHTS RESERVED
 * 
 */
/*
 * OSF/1 1.2
 */
/*
 * Copyright (C) 1988,1989 Encore Computer Corporation.  All Rights Reserved
 *
 * Property of Encore Computer Corporation.
 * This software is made available solely pursuant to the terms of
 * a software license agreement which governs its use. Unauthorized
 * duplication, distribution or sale are strictly prohibited.
 *
 */
/*
 * Copyright (c) 1980, 1986 Regents of the University of California.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms are permitted provided
 * that: (1) source distributions retain this entire copyright notice and
 * comment, and (2) distributions including binaries display the following
 * acknowledgement:  ``This product includes software developed by the
 * University of California, Berkeley and its contributors'' in the
 * documentation or other materials provided with the distribution and in
 * all advertising materials mentioning features or use of this software.
 * Neither the name of the University nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 *
 *	Base:	raw_cb.c	7.9 (Berkeley) 4/25/89
 *	Merged:	raw_cb.c	7.11 (Berkeley) 6/28/90
 */

#include "net/net_globals.h"

#include "sys/param.h"
#include "sys/time.h"
#include "sys/errno.h"

#include "sys/mbuf.h"
#include "sys/socket.h"
#include "sys/socketvar.h"
#include "sys/domain.h"
#include "sys/protosw.h"

#include "net/if.h"
#include "net/route.h"
#include "net/raw_cb.h"

#include "net/net_malloc.h"

LOCK_ASSERTL_DECL

/*
 * Routines to manage the raw protocol control blocks. 
 *
 * TODO:
 *	hash lookups by protocol family/protocol + address family
 *	take care of unique address problems per AF?
 *	redo address binding to allow wildcards
 */

u_long	raw_sendspace = RAWSNDQ;
u_long	raw_recvspace = RAWRCVQ;

struct rawcb rawcb;		/* head of list */
#if	NETSYNC_LOCK
simple_lock_data_t 	global_raw_lock;
int			global_raw_intpri;
#endif

/*
 * Allocate a control block and a nominal amount
 * of buffer space for the socket.
 */
raw_attach(so, proto)
	register struct socket *so;
	int proto;
{
	register struct rawcb *rp = sotorawcb(so);
	int error;

	/*
	 * It is assumed that raw_attach is called
	 * after space has been allocated for the
	 * rawcb.
	 */
	if (rp == 0)
		return (ENOBUFS);
	if (error = soreserve(so, raw_sendspace, raw_recvspace))
		return (error);
	rp->rcb_socket = so;
	rp->rcb_proto.sp_family = so->so_proto->pr_domain->dom_family;
	rp->rcb_proto.sp_protocol = proto;
	insque(rp, &rawcb);	/* raw_usrreq provides the lock */
	return error;
}

/*
 * Detach the raw connection block and discard
 * socket resources.
 */
void
raw_detach(rp)
	register struct rawcb *rp;
{
	struct socket *so = rp->rcb_socket;

	so->so_pcb = 0;
	sofree(so);
	remque(rp);	/* raw_usrreq provides the lock */
#ifdef notdef
	if (rp->rcb_laddr)
		m_freem(dtom(rp->rcb_laddr));
	rp->rcb_laddr = 0;
#endif
	NET_FREE(rp, M_PCB);
}

/*
 * Disconnect and possibly release resources.
 */
void
raw_disconnect(rp)
	struct rawcb *rp;
{

#ifdef notdef
	if (rp->rcb_faddr)
		m_freem(dtom(rp->rcb_faddr));
	rp->rcb_faddr = 0;
#endif
	if (rp->rcb_socket->so_state & SS_NOFDREF)
		raw_detach(rp);
}

#ifdef notdef
raw_bind(so, nam)
	register struct socket *so;
	struct mbuf *nam;
{
	struct sockaddr *addr = mtod(nam, struct sockaddr *);
	register struct rawcb *rp;

	if (ifnet == 0)
		return (EADDRNOTAVAIL);
	rp = sotorawcb(so);
	nam = m_copym(nam, 0, M_COPYALL, M_WAIT);
	rp->rcb_laddr = mtod(nam, struct sockaddr *);
	return (0);
}
#endif