[apple/xnu.git] / bsd / netat / aurp_cfg.c

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
 * limitations under the License.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
 */
/*
 *	Copyright (c) 1996 Apple Computer, Inc. 
 *
 *		Created April 8, 1996 by Tuyen Nguyen
 *   Modified, March 17, 1997 by Tuyen Nguyen for MacOSX.
 *
 *	File: cfg.c
 */
 
#ifdef AURP_SUPPORT

#define RESOLVE_DBG
#include <sys/errno.h>
#include <sys/types.h>
#include <sys/param.h>
#include <machine/spl.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/filedesc.h>
#include <sys/fcntl.h>
#include <sys/mbuf.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <net/if.h>

#include <netat/sysglue.h>
#include <netat/appletalk.h>
#include <netat/at_var.h>
#include <netat/routing_tables.h>
#include <netat/at_pcb.h>
#include <netat/aurp.h>

static int aurp_inited = 0;
static char aurp_minor_no[4];

int aurp_open(gref)
	gref_t *gref;
{
	extern void AURPcmdx();
	int i;

	if (!aurp_inited)
		aurp_inited = 1;

	for (i=1; i < sizeof(aurp_minor_no); i++) {
		if (aurp_minor_no[i] == 0) {
			aurp_minor_no[i] = (char )i;
			break;
		}
	}
	if (i == sizeof(aurp_minor_no))
		return EAGAIN;
	if (i == 1) {
		aurp_gref = gref;
		if (ddp_AURPfuncx(AURPCODE_REG, AURPcmdx, 0)) {
			aurp_gref = 0;
			aurp_minor_no[i] = 0;
			return EPROTOTYPE;
		}
	}

	gref->info = (void *)&aurp_minor_no[i];
	return 0;
}

int aurp_close(gref)
	gref_t *gref;
{
	if (*(char *)gref->info == 1) {
		aurp_gref = 0;
		aurp_inited = 0;
		ddp_AURPfuncx(AURPCODE_REG, 0, 0);
	}

	*(char *)gref->info = 0;
	gref->info = 0;
	return 0;
}

#endif  /* AURP_SUPPORT */
Commit	Line	Data
1c79356b	1	/*
5d5c5d0d A	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
5d5c5d0d A	3	*
8ad349bb	4	* @APPLE_LICENSE_OSREFERENCE_HEADER_START@
1c79356b	5	*
8ad349bb A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the
	10	* License may not be used to create, or enable the creation or
	11	* redistribution of, unlawful or unlicensed copies of an Apple operating
	12	* system, or to circumvent, violate, or enable the circumvention or
	13	* violation of, any terms of an Apple operating system software license
	14	* agreement.
	15	*
	16	* Please obtain a copy of the License at
	17	* http://www.opensource.apple.com/apsl/ and read it before using this
	18	* file.
	19	*
	20	* The Original Code and all software distributed under the License are
	21	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	22	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	23	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	24	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	25	* Please see the License for the specific language governing rights and
	26	* limitations under the License.
	27	*
	28	* @APPLE_LICENSE_OSREFERENCE_HEADER_END@
1c79356b A	29	*/
	30	/*
	31	* Copyright (c) 1996 Apple Computer, Inc.
	32	*
	33	* Created April 8, 1996 by Tuyen Nguyen
	34	* Modified, March 17, 1997 by Tuyen Nguyen for MacOSX.
	35	*
	36	* File: cfg.c
	37	*/
5d5c5d0d A	38
	39	#ifdef AURP_SUPPORT
	40
1c79356b A	41	#define RESOLVE_DBG
	42	#include <sys/errno.h>
	43	#include <sys/types.h>
	44	#include <sys/param.h>
	45	#include <machine/spl.h>
	46	#include <sys/systm.h>
	47	#include <sys/kernel.h>
	48	#include <sys/proc.h>
	49	#include <sys/filedesc.h>
	50	#include <sys/fcntl.h>
	51	#include <sys/mbuf.h>
	52	#include <sys/socket.h>
	53	#include <sys/socketvar.h>
	54	#include <net/if.h>
	55
	56	#include <netat/sysglue.h>
	57	#include <netat/appletalk.h>
	58	#include <netat/at_var.h>
	59	#include <netat/routing_tables.h>
	60	#include <netat/at_pcb.h>
	61	#include <netat/aurp.h>
	62
1c79356b A	63	static int aurp_inited = 0;
	64	static char aurp_minor_no[4];
	65
	66	int aurp_open(gref)
	67	gref_t *gref;
	68	{
	69	extern void AURPcmdx();
	70	int i;
	71
5d5c5d0d	72	if (!aurp_inited)
1c79356b	73	aurp_inited = 1;
1c79356b A	74
	75	for (i=1; i < sizeof(aurp_minor_no); i++) {
	76	if (aurp_minor_no[i] == 0) {
	77	aurp_minor_no[i] = (char )i;
	78	break;
	79	}
	80	}
	81	if (i == sizeof(aurp_minor_no))
	82	return EAGAIN;
	83	if (i == 1) {
	84	aurp_gref = gref;
	85	if (ddp_AURPfuncx(AURPCODE_REG, AURPcmdx, 0)) {
	86	aurp_gref = 0;
	87	aurp_minor_no[i] = 0;
91447636	88	return EPROTOTYPE;
1c79356b A	89	}
	90	}
	91
	92	gref->info = (void *)&aurp_minor_no[i];
	93	return 0;
	94	}
	95
	96	int aurp_close(gref)
	97	gref_t *gref;
	98	{
	99	if ((char )gref->info == 1) {
	100	aurp_gref = 0;
	101	aurp_inited = 0;
	102	ddp_AURPfuncx(AURPCODE_REG, 0, 0);
	103	}
	104
	105	(char )gref->info = 0;
	106	gref->info = 0;
	107	return 0;
	108	}
5d5c5d0d A	109
5d5c5d0d A	110	#endif /* AURP_SUPPORT */