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