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git.saurik.com Git - apple/xnu.git/blob - bsd/netat/sys_dep.c
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
4 * @APPLE_LICENSE_HEADER_START@
6 * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
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
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
17 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
18 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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.
23 * @APPLE_LICENSE_HEADER_END@
26 * Copyright (c) 1995-1998 Apple Computer, Inc.
29 * Created February 20, 1995 by Tuyen Nguyen
30 * Modified for MP, 1996 by Tuyen Nguyen
31 * Modified, March 17, 1997 by Tuyen Nguyen for MacOSX.
33 #include <sys/errno.h>
34 #include <sys/types.h>
35 #include <sys/param.h>
36 #include <machine/spl.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
40 #include <sys/filedesc.h>
41 #include <sys/fcntl.h>
43 #include <sys/malloc.h>
45 #include <sys/socket.h>
46 #include <sys/socketvar.h>
47 #include <net/if_var.h>
49 #include <netat/sysglue.h>
50 #include <netat/appletalk.h>
51 #include <netat/at_var.h>
52 #include <netat/at_pcb.h>
53 #include <netat/debug.h>
55 int (*sys_ATsocket
)() = 0;
56 int (*sys_ATgetmsg
)() = 0;
57 int (*sys_ATputmsg
)() = 0;
58 int (*sys_ATPsndreq
)() = 0;
59 int (*sys_ATPsndrsp
)() = 0;
60 int (*sys_ATPgetreq
)() = 0;
61 int (*sys_ATPgetrsp
)() = 0;
63 extern at_state_t at_state
; /* global state of AT network */
64 extern at_ifaddr_t
*ifID_home
; /* default interface */
66 struct ATsocket_args
{
69 int ATsocket(proc
, uap
, retval
)
71 struct ATsocket_args
*uap
;
77 /* required check for all AppleTalk system calls */
78 if (!(at_state
.flags
& AT_ST_STARTED
) || !ifID_home
) {
82 *retval
= (*sys_ATsocket
)(uap
->proto
, &err
, proc
);
91 struct ATgetmsg_args
{
97 int ATgetmsg(proc
, uap
, retval
)
99 struct ATgetmsg_args
*uap
;
105 /* required check for all AppleTalk system calls */
106 if (!(at_state
.flags
& AT_ST_STARTED
) || !ifID_home
) {
111 (*sys_ATgetmsg
)(uap
->fd
, uap
->ctlptr
, uap
->datptr
,
112 uap
->flags
, &err
, proc
);
121 struct ATputmsg_args
{
127 int ATputmsg(proc
, uap
, retval
)
129 struct ATputmsg_args
*uap
;
135 /* required check for all AppleTalk system calls */
136 if (!(at_state
.flags
& AT_ST_STARTED
) || !ifID_home
) {
141 (*sys_ATputmsg
)(uap
->fd
, uap
->ctlptr
, uap
->datptr
,
142 uap
->flags
, &err
, proc
);
151 struct ATPsndreq_args
{
157 int ATPsndreq(proc
, uap
, retval
)
159 struct ATPsndreq_args
*uap
;
165 /* required check for all AppleTalk system calls */
166 if (!(at_state
.flags
& AT_ST_STARTED
) || !ifID_home
) {
171 (*sys_ATPsndreq
)(uap
->fd
, uap
->buf
, uap
->len
,
172 uap
->nowait
, &err
, proc
);
181 struct ATPsndrsp_args
{
183 unsigned char *respbuff
;
187 int ATPsndrsp(proc
, uap
, retval
)
189 struct ATPsndrsp_args
*uap
;
195 /* required check for all AppleTalk system calls */
196 if (!(at_state
.flags
& AT_ST_STARTED
) || !ifID_home
) {
201 (*sys_ATPsndrsp
)(uap
->fd
, uap
->respbuff
,
202 uap
->resplen
, uap
->datalen
, &err
, proc
);
211 struct ATPgetreq_args
{
216 int ATPgetreq(proc
, uap
, retval
)
218 struct ATPgetreq_args
*uap
;
224 /* required check for all AppleTalk system calls */
225 if (!(at_state
.flags
& AT_ST_STARTED
) || !ifID_home
) {
230 (*sys_ATPgetreq
)(uap
->fd
, uap
->buf
, uap
->buflen
,
240 struct ATPgetrsp_args
{
244 int ATPgetrsp(proc
, uap
, retval
)
246 struct ATPgetrsp_args
*uap
;
252 /* required check for all AppleTalk system calls */
253 if (!(at_state
.flags
& AT_ST_STARTED
) || !ifID_home
) {
258 (*sys_ATPgetrsp
)(uap
->fd
, uap
->bdsp
, &err
, proc
);
267 int atalk_closeref(fp
, grefp
)
271 if ((*grefp
= (gref_t
*)fp
->f_data
)) {
274 kprintf("atalk_closeref: fp = 0x%x, gref = 0x%x\n", (u_int)fp,
282 int atalk_openref(gref
, retfd
, proc
)
287 extern int _ATread(), _ATwrite(),_ATioctl(), _ATselect(), _ATclose(), _ATkqfilter();
288 static struct fileops fileops
=
289 {_ATread
, _ATwrite
, _ATioctl
, _ATselect
, _ATclose
, _ATkqfilter
};
293 thread_funnel_switch(NETWORK_FUNNEL
, KERNEL_FUNNEL
);
295 if ((err
= falloc(proc
, &fp
, &fd
)) != 0) {
296 thread_funnel_switch(KERNEL_FUNNEL
, NETWORK_FUNNEL
);
300 fp
->f_flag
= FREAD
|FWRITE
;
301 /*##### LD 5/7/96 Warning: we don't have a "DTYPE_OTHER" for
302 * MacOSX, so defines DTYPE_ATALK as DTYPE_SOCKET...
304 fp
->f_type
= DTYPE_ATALK
+1;
305 fp
->f_ops
= &fileops
;
306 *fdflags(proc
, fd
) &= ~UF_RESERVED
;
308 fp
->f_data
= (void *)gref
;
310 kprintf("atalk_openref: fp = 0x%x, gref = 0x%x\n", (u_int)fp, (u_int)gref);
312 thread_funnel_switch(KERNEL_FUNNEL
, NETWORK_FUNNEL
);
316 /* go from file descriptor to gref, which has been saved in fp->f_data */
317 int atalk_getref(fp
, fd
, grefp
, proc
)
323 thread_funnel_switch(NETWORK_FUNNEL
, KERNEL_FUNNEL
);
325 int error
= fdgetf(proc
, fd
, &fp
);
329 *grefp
= (gref_t
*) 0;
330 thread_funnel_switch(KERNEL_FUNNEL
, NETWORK_FUNNEL
);
334 *grefp
= (gref_t
*)fp
->f_data
;
335 if (*grefp
== 0 || *grefp
== (gref_t
*)(-1)) {
336 thread_funnel_switch(KERNEL_FUNNEL
, NETWORK_FUNNEL
);
340 if ((*grefp
)->errno
) {
341 thread_funnel_switch(KERNEL_FUNNEL
, NETWORK_FUNNEL
);
342 return (int)(*grefp
)->errno
;
345 thread_funnel_switch(KERNEL_FUNNEL
, NETWORK_FUNNEL
);