projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| d7e50217 | 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| 1c79356b | 7 | * |
| d7e50217 A |
8 | * This file contains Original Code and/or Modifications of Original Code |
| 9 | * as defined in and that are subject to the Apple Public Source License | |
| 10 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 11 | * compliance with the License. Please obtain a copy of the License at | |
| 12 | * http://www.opensource.apple.com/apsl/ and read it before using this | |
| 13 | * file. | |
| 14 | * | |
| 15 | * The Original Code and all software distributed under the License are | |
| 16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 1c79356b A |
17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| d7e50217 A |
19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 20 | * Please see the License for the specific language governing rights and | |
| 21 | * limitations under the License. | |
| 1c79356b A |
22 | * |
| 23 | * @APPLE_LICENSE_HEADER_END@ | |
| 24 | */ | |
| 25 | /* | |
| 26 | * Copyright (c) 1996 Apple Computer, Inc. | |
| 27 | * | |
| 28 | * Created April 8, 1996 by Tuyen Nguyen | |
| 29 | * Modified, March 17, 1997 by Tuyen Nguyen for MacOSX. | |
| 30 | * | |
| 31 | * File: cfg.c | |
| 32 | */ | |
| 33 | #define RESOLVE_DBG | |
| 34 | #include <sys/errno.h> | |
| 35 | #include <sys/types.h> | |
| 36 | #include <sys/param.h> | |
| 37 | #include <machine/spl.h> | |
| 38 | #include <sys/systm.h> | |
| 39 | #include <sys/kernel.h> | |
| 40 | #include <sys/proc.h> | |
| 41 | #include <sys/filedesc.h> | |
| 42 | #include <sys/fcntl.h> | |
| 43 | #include <sys/mbuf.h> | |
| 44 | #include <sys/socket.h> | |
| 45 | #include <sys/socketvar.h> | |
| 46 | #include <net/if.h> | |
| 47 | ||
| 48 | #include <netat/sysglue.h> | |
| 49 | #include <netat/appletalk.h> | |
| 50 | #include <netat/at_var.h> | |
| 51 | #include <netat/routing_tables.h> | |
| 52 | #include <netat/at_pcb.h> | |
| 53 | #include <netat/aurp.h> | |
| 54 | ||
| 55 | extern atlock_t aurpgen_lock; | |
| 56 | static int aurp_inited = 0; | |
| 57 | static char aurp_minor_no[4]; | |
| 58 | ||
| 59 | int aurp_open(gref) | |
| 60 | gref_t *gref; | |
| 61 | { | |
| 62 | extern void AURPcmdx(); | |
| 63 | int i; | |
| 64 | ||
| 65 | if (!aurp_inited) { | |
| 66 | aurp_inited = 1; | |
| 67 | ATLOCKINIT(aurpgen_lock); | |
| 68 | } | |
| 69 | ||
| 70 | for (i=1; i < sizeof(aurp_minor_no); i++) { | |
| 71 | if (aurp_minor_no[i] == 0) { | |
| 72 | aurp_minor_no[i] = (char )i; | |
| 73 | break; | |
| 74 | } | |
| 75 | } | |
| 76 | if (i == sizeof(aurp_minor_no)) | |
| 77 | return EAGAIN; | |
| 78 | if (i == 1) { | |
| 79 | aurp_gref = gref; | |
| 80 | if (ddp_AURPfuncx(AURPCODE_REG, AURPcmdx, 0)) { | |
| 81 | aurp_gref = 0; | |
| 82 | aurp_minor_no[i] = 0; | |
| 83 | return EPROTO; | |
| 84 | } | |
| 85 | } | |
| 86 | ||
| 87 | gref->info = (void *)&aurp_minor_no[i]; | |
| 88 | return 0; | |
| 89 | } | |
| 90 | ||
| 91 | int aurp_close(gref) | |
| 92 | gref_t *gref; | |
| 93 | { | |
| 94 | if (*(char *)gref->info == 1) { | |
| 95 | aurp_gref = 0; | |
| 96 | aurp_inited = 0; | |
| 97 | ddp_AURPfuncx(AURPCODE_REG, 0, 0); | |
| 98 | } | |
| 99 | ||
| 100 | *(char *)gref->info = 0; | |
| 101 | gref->info = 0; | |
| 102 | return 0; | |
| 103 | } |