4 * Copyright (C) International Business Machines Corp., 2000,2003
6 * Modified by Steve French (sfrench@us.ibm.com)
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
16 * the GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 #include <linux/string.h>
24 #include <linux/ctype.h>
25 #include <linux/module.h>
26 #include <linux/proc_fs.h>
27 #include <asm/uaccess.h>
30 #include "cifsproto.h"
31 #include "cifs_debug.h"
35 cifs_dump_mem(char *label
, void *data
, int length
)
40 char buf
[10], line
[80];
42 printk(KERN_DEBUG
"%s: dump of %d bytes of data at 0x%p\n\n",
44 for (i
= 0; i
< length
; i
+= 16) {
46 for (j
= 0; (j
< 4) && (i
+ j
* 4 < length
); j
++) {
47 sprintf(buf
, " %08x", intptr
[i
/ 4 + j
]);
52 for (j
= 0; (j
< 16) && (i
+ j
< length
); j
++) {
53 buf
[1] = isprint(charptr
[i
+ j
]) ? charptr
[i
+ j
] : '.';
56 printk(KERN_DEBUG
"%s\n", line
);
62 cifs_debug_data_read(char *buf
, char **beginBuffer
, off_t offset
,
63 int count
, int *eof
, void *data
)
65 struct list_head
*tmp
;
66 struct list_head
*tmp1
;
67 struct mid_q_entry
* mid_entry
;
68 struct cifsSesInfo
*ses
;
69 struct cifsTconInfo
*tcon
;
72 char * original_buf
= buf
;
74 *beginBuffer
= buf
+ offset
;
79 "Display Internal CIFS Data Structures for Debugging\n"
80 "---------------------------------------------------\n");
82 length
= sprintf(buf
,"CIFS Version %s\n",CIFS_VERSION
);
84 length
= sprintf(buf
, "Servers:");
88 read_lock(&GlobalSMBSeslock
);
89 list_for_each(tmp
, &GlobalSMBSessionList
) {
91 ses
= list_entry(tmp
, struct cifsSesInfo
, cifsSessionList
);
94 "\n%d) Name: %s Domain: %s Mounts: %d ServerOS: %s \n\tServerNOS: %s\tCapabilities: 0x%x\n\tSMB session status: %d\t",
95 i
, ses
->serverName
, ses
->serverDomain
, atomic_read(&ses
->inUse
),
96 ses
->serverOS
, ses
->serverNOS
, ses
->capabilities
,ses
->status
);
99 buf
+= sprintf(buf
, "TCP status: %d\n\tLocal Users To Server: %d SecMode: 0x%x Req Active: %d",
100 ses
->server
->tcpStatus
,
101 atomic_read(&ses
->server
->socketUseCount
),
102 ses
->server
->secMode
,
103 atomic_read(&ses
->server
->inFlight
));
105 length
= sprintf(buf
, "\nMIDs:\n");
108 spin_lock(&GlobalMid_Lock
);
109 list_for_each(tmp1
, &ses
->server
->pending_mid_q
) {
110 mid_entry
= list_entry(tmp1
, struct
114 length
= sprintf(buf
,"State: %d com: %d pid: %d tsk: %p mid %d\n",
116 (int)mid_entry
->command
,
123 spin_unlock(&GlobalMid_Lock
);
127 read_unlock(&GlobalSMBSeslock
);
131 length
= sprintf(buf
, "Shares:");
135 read_lock(&GlobalSMBSeslock
);
136 list_for_each(tmp
, &GlobalTreeConnectionList
) {
139 tcon
= list_entry(tmp
, struct cifsTconInfo
, cifsConnectionList
);
140 dev_type
= le32_to_cpu(tcon
->fsDevInfo
.DeviceType
);
143 "\n%d) %s Uses: %d Type: %s Characteristics: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d",
145 atomic_read(&tcon
->useCount
),
146 tcon
->nativeFileSystem
,
147 le32_to_cpu(tcon
->fsDevInfo
.DeviceCharacteristics
),
148 le32_to_cpu(tcon
->fsAttrInfo
.Attributes
),
149 le32_to_cpu(tcon
->fsAttrInfo
.MaxPathNameComponentLength
),
152 if (dev_type
== FILE_DEVICE_DISK
)
153 length
= sprintf(buf
, " type: DISK ");
154 else if (dev_type
== FILE_DEVICE_CD_ROM
)
155 length
= sprintf(buf
, " type: CDROM ");
158 sprintf(buf
, " type: %d ", dev_type
);
160 if(tcon
->tidStatus
== CifsNeedReconnect
) {
161 buf
+= sprintf(buf
, "\tDISCONNECTED ");
165 read_unlock(&GlobalSMBSeslock
);
167 length
= sprintf(buf
, "\n");
170 /* BB add code to dump additional info such as TCP session info now */
171 /* Now calculate total size of returned data */
172 length
= buf
- original_buf
;
174 if(offset
+ count
>= length
)
176 if(length
< offset
) {
180 length
= length
- offset
;
188 #ifdef CONFIG_CIFS_STATS
190 cifs_stats_read(char *buf
, char **beginBuffer
, off_t offset
,
191 int count
, int *eof
, void *data
)
193 int item_length
,i
,length
;
194 struct list_head
*tmp
;
195 struct cifsTconInfo
*tcon
;
197 *beginBuffer
= buf
+ offset
;
199 length
= sprintf(buf
,
200 "Resources in use\nCIFS Session: %d\n",
201 sesInfoAllocCount
.counter
);
204 sprintf(buf
,"Share (unique mount targets): %d\n",
205 tconInfoAllocCount
.counter
);
206 length
+= item_length
;
209 sprintf(buf
,"SMB Request/Response Buffer: %d Pool size: %d\n",
210 bufAllocCount
.counter
,cifs_min_rcv
+ tcpSesAllocCount
.counter
);
211 length
+= item_length
;
214 sprintf(buf
,"SMB Small Req/Resp Buffer: %d Pool size: %d\n",
215 smBufAllocCount
.counter
,cifs_min_small
);
216 length
+= item_length
;
219 sprintf(buf
,"Operations (MIDs): %d\n",
221 length
+= item_length
;
223 item_length
= sprintf(buf
,
224 "\n%d session %d share reconnects\n",
225 tcpSesReconnectCount
.counter
,tconInfoReconnectCount
.counter
);
226 length
+= item_length
;
229 item_length
= sprintf(buf
,
230 "Total vfs operations: %d maximum at one time: %d\n",
231 GlobalCurrentXid
,GlobalMaxActiveXid
);
232 length
+= item_length
;
236 read_lock(&GlobalSMBSeslock
);
237 list_for_each(tmp
, &GlobalTreeConnectionList
) {
239 tcon
= list_entry(tmp
, struct cifsTconInfo
, cifsConnectionList
);
240 item_length
= sprintf(buf
,"\n%d) %s",i
, tcon
->treeName
);
242 length
+= item_length
;
243 if(tcon
->tidStatus
== CifsNeedReconnect
) {
244 buf
+= sprintf(buf
, "\tDISCONNECTED ");
247 item_length
= sprintf(buf
,"\nSMBs: %d Oplock Breaks: %d",
248 atomic_read(&tcon
->num_smbs_sent
),
249 atomic_read(&tcon
->num_oplock_brks
));
251 length
+= item_length
;
252 item_length
= sprintf(buf
,"\nReads: %d Bytes %lld",
253 atomic_read(&tcon
->num_reads
),
254 (long long)(tcon
->bytes_read
));
256 length
+= item_length
;
257 item_length
= sprintf(buf
,"\nWrites: %d Bytes: %lld",
258 atomic_read(&tcon
->num_writes
),
259 (long long)(tcon
->bytes_written
));
261 length
+= item_length
;
262 item_length
= sprintf(buf
,
263 "\nOpens: %d Deletes: %d\nMkdirs: %d Rmdirs: %d",
264 atomic_read(&tcon
->num_opens
),
265 atomic_read(&tcon
->num_deletes
),
266 atomic_read(&tcon
->num_mkdirs
),
267 atomic_read(&tcon
->num_rmdirs
));
269 length
+= item_length
;
270 item_length
= sprintf(buf
,
271 "\nRenames: %d T2 Renames %d",
272 atomic_read(&tcon
->num_renames
),
273 atomic_read(&tcon
->num_t2renames
));
275 length
+= item_length
;
277 read_unlock(&GlobalSMBSeslock
);
279 buf
+= sprintf(buf
,"\n");
282 if(offset
+ count
>= length
)
284 if(length
< offset
) {
288 length
= length
- offset
;
297 static struct proc_dir_entry
*proc_fs_cifs
;
298 read_proc_t cifs_txanchor_read
;
299 static read_proc_t cifsFYI_read
;
300 static write_proc_t cifsFYI_write
;
301 static read_proc_t oplockEnabled_read
;
302 static write_proc_t oplockEnabled_write
;
303 static read_proc_t lookupFlag_read
;
304 static write_proc_t lookupFlag_write
;
305 static read_proc_t traceSMB_read
;
306 static write_proc_t traceSMB_write
;
307 static read_proc_t multiuser_mount_read
;
308 static write_proc_t multiuser_mount_write
;
309 static read_proc_t extended_security_read
;
310 static write_proc_t extended_security_write
;
311 static read_proc_t ntlmv2_enabled_read
;
312 static write_proc_t ntlmv2_enabled_write
;
313 static read_proc_t packet_signing_enabled_read
;
314 static write_proc_t packet_signing_enabled_write
;
315 static read_proc_t quotaEnabled_read
;
316 static write_proc_t quotaEnabled_write
;
317 static read_proc_t linuxExtensionsEnabled_read
;
318 static write_proc_t linuxExtensionsEnabled_write
;
323 struct proc_dir_entry
*pde
;
325 proc_fs_cifs
= proc_mkdir("cifs", proc_root_fs
);
326 if (proc_fs_cifs
== NULL
)
329 proc_fs_cifs
->owner
= THIS_MODULE
;
330 create_proc_read_entry("DebugData", 0, proc_fs_cifs
,
331 cifs_debug_data_read
, NULL
);
333 #ifdef CONFIG_CIFS_STATS
334 create_proc_read_entry("Stats", 0, proc_fs_cifs
,
335 cifs_stats_read
, NULL
);
337 pde
= create_proc_read_entry("cifsFYI", 0, proc_fs_cifs
,
340 pde
->write_proc
= cifsFYI_write
;
343 create_proc_read_entry("traceSMB", 0, proc_fs_cifs
,
344 traceSMB_read
, NULL
);
346 pde
->write_proc
= traceSMB_write
;
348 pde
= create_proc_read_entry("OplockEnabled", 0, proc_fs_cifs
,
349 oplockEnabled_read
, NULL
);
351 pde
->write_proc
= oplockEnabled_write
;
353 pde
= create_proc_read_entry("ReenableOldCifsReaddirCode", 0, proc_fs_cifs
,
354 quotaEnabled_read
, NULL
);
356 pde
->write_proc
= quotaEnabled_write
;
358 pde
= create_proc_read_entry("LinuxExtensionsEnabled", 0, proc_fs_cifs
,
359 linuxExtensionsEnabled_read
, NULL
);
361 pde
->write_proc
= linuxExtensionsEnabled_write
;
364 create_proc_read_entry("MultiuserMount", 0, proc_fs_cifs
,
365 multiuser_mount_read
, NULL
);
367 pde
->write_proc
= multiuser_mount_write
;
370 create_proc_read_entry("ExtendedSecurity", 0, proc_fs_cifs
,
371 extended_security_read
, NULL
);
373 pde
->write_proc
= extended_security_write
;
376 create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs
,
377 lookupFlag_read
, NULL
);
379 pde
->write_proc
= lookupFlag_write
;
382 create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs
,
383 ntlmv2_enabled_read
, NULL
);
385 pde
->write_proc
= ntlmv2_enabled_write
;
388 create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs
,
389 packet_signing_enabled_read
, NULL
);
391 pde
->write_proc
= packet_signing_enabled_write
;
395 cifs_proc_clean(void)
397 if (proc_fs_cifs
== NULL
)
400 remove_proc_entry("DebugData", proc_fs_cifs
);
401 remove_proc_entry("cifsFYI", proc_fs_cifs
);
402 remove_proc_entry("traceSMB", proc_fs_cifs
);
403 #ifdef CONFIG_CIFS_STATS
404 remove_proc_entry("Stats", proc_fs_cifs
);
406 remove_proc_entry("MultiuserMount", proc_fs_cifs
);
407 remove_proc_entry("OplockEnabled", proc_fs_cifs
);
408 remove_proc_entry("NTLMV2Enabled",proc_fs_cifs
);
409 remove_proc_entry("ExtendedSecurity",proc_fs_cifs
);
410 remove_proc_entry("PacketSigningEnabled",proc_fs_cifs
);
411 remove_proc_entry("LinuxExtensionsEnabled",proc_fs_cifs
);
412 remove_proc_entry("ReenableOldCifsReaddirCode",proc_fs_cifs
);
413 remove_proc_entry("LookupCacheEnabled",proc_fs_cifs
);
414 remove_proc_entry("cifs", proc_root_fs
);
418 cifsFYI_read(char *page
, char **start
, off_t off
, int count
,
419 int *eof
, void *data
)
423 len
= sprintf(page
, "%d\n", cifsFYI
);
439 cifsFYI_write(struct file
*file
, const char __user
*buffer
,
440 unsigned long count
, void *data
)
445 rc
= get_user(c
, buffer
);
448 if (c
== '0' || c
== 'n' || c
== 'N')
450 else if (c
== '1' || c
== 'y' || c
== 'Y')
457 oplockEnabled_read(char *page
, char **start
, off_t off
,
458 int count
, int *eof
, void *data
)
462 len
= sprintf(page
, "%d\n", oplockEnabled
);
478 oplockEnabled_write(struct file
*file
, const char __user
*buffer
,
479 unsigned long count
, void *data
)
484 rc
= get_user(c
, buffer
);
487 if (c
== '0' || c
== 'n' || c
== 'N')
489 else if (c
== '1' || c
== 'y' || c
== 'Y')
496 quotaEnabled_read(char *page
, char **start
, off_t off
,
497 int count
, int *eof
, void *data
)
501 len
= sprintf(page
, "%d\n", experimEnabled
);
502 /* could also check if quotas are enabled in kernel
518 quotaEnabled_write(struct file
*file
, const char __user
*buffer
,
519 unsigned long count
, void *data
)
524 rc
= get_user(c
, buffer
);
527 if (c
== '0' || c
== 'n' || c
== 'N')
529 else if (c
== '1' || c
== 'y' || c
== 'Y')
536 linuxExtensionsEnabled_read(char *page
, char **start
, off_t off
,
537 int count
, int *eof
, void *data
)
541 len
= sprintf(page
, "%d\n", linuxExtEnabled
);
542 /* could also check if quotas are enabled in kernel
558 linuxExtensionsEnabled_write(struct file
*file
, const char __user
*buffer
,
559 unsigned long count
, void *data
)
564 rc
= get_user(c
, buffer
);
567 if (c
== '0' || c
== 'n' || c
== 'N')
569 else if (c
== '1' || c
== 'y' || c
== 'Y')
577 lookupFlag_read(char *page
, char **start
, off_t off
,
578 int count
, int *eof
, void *data
)
582 len
= sprintf(page
, "%d\n", lookupCacheEnabled
);
598 lookupFlag_write(struct file
*file
, const char __user
*buffer
,
599 unsigned long count
, void *data
)
604 rc
= get_user(c
, buffer
);
607 if (c
== '0' || c
== 'n' || c
== 'N')
608 lookupCacheEnabled
= 0;
609 else if (c
== '1' || c
== 'y' || c
== 'Y')
610 lookupCacheEnabled
= 1;
615 traceSMB_read(char *page
, char **start
, off_t off
, int count
,
616 int *eof
, void *data
)
620 len
= sprintf(page
, "%d\n", traceSMB
);
636 traceSMB_write(struct file
*file
, const char __user
*buffer
,
637 unsigned long count
, void *data
)
642 rc
= get_user(c
, buffer
);
645 if (c
== '0' || c
== 'n' || c
== 'N')
647 else if (c
== '1' || c
== 'y' || c
== 'Y')
654 multiuser_mount_read(char *page
, char **start
, off_t off
,
655 int count
, int *eof
, void *data
)
659 len
= sprintf(page
, "%d\n", multiuser_mount
);
675 multiuser_mount_write(struct file
*file
, const char __user
*buffer
,
676 unsigned long count
, void *data
)
681 rc
= get_user(c
, buffer
);
684 if (c
== '0' || c
== 'n' || c
== 'N')
686 else if (c
== '1' || c
== 'y' || c
== 'Y')
693 extended_security_read(char *page
, char **start
, off_t off
,
694 int count
, int *eof
, void *data
)
698 len
= sprintf(page
, "%d\n", extended_security
);
714 extended_security_write(struct file
*file
, const char __user
*buffer
,
715 unsigned long count
, void *data
)
720 rc
= get_user(c
, buffer
);
723 if (c
== '0' || c
== 'n' || c
== 'N')
724 extended_security
= 0;
725 else if (c
== '1' || c
== 'y' || c
== 'Y')
726 extended_security
= 1;
732 ntlmv2_enabled_read(char *page
, char **start
, off_t off
,
733 int count
, int *eof
, void *data
)
737 len
= sprintf(page
, "%d\n", ntlmv2_support
);
753 ntlmv2_enabled_write(struct file
*file
, const char __user
*buffer
,
754 unsigned long count
, void *data
)
759 rc
= get_user(c
, buffer
);
762 if (c
== '0' || c
== 'n' || c
== 'N')
764 else if (c
== '1' || c
== 'y' || c
== 'Y')
771 packet_signing_enabled_read(char *page
, char **start
, off_t off
,
772 int count
, int *eof
, void *data
)
776 len
= sprintf(page
, "%d\n", sign_CIFS_PDUs
);
792 packet_signing_enabled_write(struct file
*file
, const char __user
*buffer
,
793 unsigned long count
, void *data
)
798 rc
= get_user(c
, buffer
);
801 if (c
== '0' || c
== 'n' || c
== 'N')
803 else if (c
== '1' || c
== 'y' || c
== 'Y')