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"
34 cifs_dump_mem(char *label, void *data, int length)
39 char buf[10], line[80];
41 printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n\n",
43 for (i = 0; i < length; i += 16) {
45 for (j = 0; (j < 4) && (i + j * 4 < length); j++) {
46 sprintf(buf, " %08x", intptr[i / 4 + j]);
51 for (j = 0; (j < 16) && (i + j < length); j++) {
52 buf[1] = isprint(charptr[i + j]) ? charptr[i + j] : '.';
55 printk(KERN_DEBUG "%s\n", line);
61 cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
62 int count, int *eof, void *data)
64 struct list_head *tmp;
65 struct list_head *tmp1;
66 struct mid_q_entry * mid_entry;
67 struct cifsSesInfo *ses;
68 struct cifsTconInfo *tcon;
71 char * original_buf = buf;
73 *beginBuffer = buf + offset;
78 "Display Internal CIFS Data Structures for Debugging\n"
79 "---------------------------------------------------\n");
82 length = sprintf(buf, "Servers:\n");
86 read_lock(&GlobalSMBSeslock);
87 list_for_each(tmp, &GlobalSMBSessionList) {
89 ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList);
92 "\n%d) Name: %s Domain: %s Mounts: %d ServerOS: %s \n\tServerNOS: %s\tCapabilities: 0x%x\n\tSMB session status: %d\tTCP status: %d",
93 i, ses->serverName, ses->serverDomain, atomic_read(&ses->inUse),
94 ses->serverOS, ses->serverNOS, ses->capabilities,ses->status,ses->server->tcpStatus);
97 buf += sprintf(buf, "\n\tLocal Users To Server: %d SecMode: 0x%x Req Active: %d",
98 atomic_read(&ses->server->socketUseCount),
100 atomic_read(&ses->server->inFlight));
102 length = sprintf(buf, "\nMIDs: \n");
105 spin_lock(&GlobalMid_Lock);
106 list_for_each(tmp1, &ses->server->pending_mid_q) {
107 mid_entry = list_entry(tmp1, struct
111 length = sprintf(buf,"State: %d com: %d pid: %d tsk: %p mid %d\n",mid_entry->midState,mid_entry->command,mid_entry->pid,mid_entry->tsk,mid_entry->mid);
115 spin_unlock(&GlobalMid_Lock);
119 read_unlock(&GlobalSMBSeslock);
123 length = sprintf(buf, "\nShares:\n");
127 read_lock(&GlobalSMBSeslock);
128 list_for_each(tmp, &GlobalTreeConnectionList) {
131 tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
132 dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
135 "\n%d) %s Uses: %d Type: %s Characteristics: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d",
137 atomic_read(&tcon->useCount),
138 tcon->nativeFileSystem,
139 le32_to_cpu(tcon->fsDevInfo.DeviceCharacteristics),
140 le32_to_cpu(tcon->fsAttrInfo.Attributes),
141 le32_to_cpu(tcon->fsAttrInfo.MaxPathNameComponentLength),
144 if (dev_type == FILE_DEVICE_DISK)
145 length = sprintf(buf, " type: DISK ");
146 else if (dev_type == FILE_DEVICE_CD_ROM)
147 length = sprintf(buf, " type: CDROM ");
150 sprintf(buf, " type: %d ", dev_type);
152 if(tcon->tidStatus == CifsNeedReconnect) {
153 buf += sprintf(buf, "\tDISCONNECTED ");
157 read_unlock(&GlobalSMBSeslock);
159 length = sprintf(buf, "\n");
162 /* BB add code to dump additional info such as TCP session info now */
163 /* Now calculate total size of returned data */
164 length = buf - original_buf;
166 if(offset + count >= length)
168 if(length < offset) {
172 length = length - offset;
180 #ifdef CONFIG_CIFS_STATS
182 cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
183 int count, int *eof, void *data)
185 int item_length,i,length;
186 struct list_head *tmp;
187 struct cifsTconInfo *tcon;
189 *beginBuffer = buf + offset;
191 length = sprintf(buf,
192 "Resources in use\nCIFS Session: %d\n",
193 sesInfoAllocCount.counter);
196 sprintf(buf,"Share (unique mount targets): %d\n",
197 tconInfoAllocCount.counter);
198 length += item_length;
201 sprintf(buf,"SMB Request/Response Buffer: %d\n",
202 bufAllocCount.counter);
203 length += item_length;
206 sprintf(buf,"SMB Small Req/Resp Buffer: %d\n",
207 smBufAllocCount.counter);
208 length += item_length;
211 sprintf(buf,"Operations (MIDs): %d\n",
213 length += item_length;
215 item_length = sprintf(buf,
216 "\n%d session %d share reconnects\n",
217 tcpSesReconnectCount.counter,tconInfoReconnectCount.counter);
218 length += item_length;
221 item_length = sprintf(buf,
222 "Total vfs operations: %d maximum at one time: %d\n",
223 GlobalCurrentXid,GlobalMaxActiveXid);
224 length += item_length;
228 read_lock(&GlobalSMBSeslock);
229 list_for_each(tmp, &GlobalTreeConnectionList) {
231 tcon = list_entry(tmp, struct cifsTconInfo, cifsConnectionList);
232 item_length = sprintf(buf,"\n%d) %s",i, tcon->treeName);
234 length += item_length;
235 if(tcon->tidStatus == CifsNeedReconnect) {
236 buf += sprintf(buf, "\tDISCONNECTED ");
239 item_length = sprintf(buf,"\nSMBs: %d Oplock Breaks: %d",
240 atomic_read(&tcon->num_smbs_sent),
241 atomic_read(&tcon->num_oplock_brks));
243 length += item_length;
244 item_length = sprintf(buf,"\nReads: %d Bytes %lld",
245 atomic_read(&tcon->num_reads),
246 (long long)(tcon->bytes_read));
248 length += item_length;
249 item_length = sprintf(buf,"\nWrites: %d Bytes: %lld",
250 atomic_read(&tcon->num_writes),
251 (long long)(tcon->bytes_written));
253 length += item_length;
254 item_length = sprintf(buf,
255 "\nOpens: %d Deletes: %d\nMkdirs: %d Rmdirs: %d",
256 atomic_read(&tcon->num_opens),
257 atomic_read(&tcon->num_deletes),
258 atomic_read(&tcon->num_mkdirs),
259 atomic_read(&tcon->num_rmdirs));
261 length += item_length;
262 item_length = sprintf(buf,
263 "\nRenames: %d T2 Renames %d",
264 atomic_read(&tcon->num_renames),
265 atomic_read(&tcon->num_t2renames));
267 length += item_length;
269 read_unlock(&GlobalSMBSeslock);
271 buf += sprintf(buf,"\n");
274 if(offset + count >= length)
276 if(length < offset) {
280 length = length - offset;
289 struct proc_dir_entry *proc_fs_cifs;
290 read_proc_t cifs_txanchor_read;
291 static read_proc_t cifsFYI_read;
292 static write_proc_t cifsFYI_write;
293 static read_proc_t oplockEnabled_read;
294 static write_proc_t oplockEnabled_write;
295 static read_proc_t lookupFlag_read;
296 static write_proc_t lookupFlag_write;
297 static read_proc_t traceSMB_read;
298 static write_proc_t traceSMB_write;
299 static read_proc_t multiuser_mount_read;
300 static write_proc_t multiuser_mount_write;
301 static read_proc_t extended_security_read;
302 static write_proc_t extended_security_write;
303 static read_proc_t ntlmv2_enabled_read;
304 static write_proc_t ntlmv2_enabled_write;
305 static read_proc_t packet_signing_enabled_read;
306 static write_proc_t packet_signing_enabled_write;
307 static read_proc_t quotaEnabled_read;
308 static write_proc_t quotaEnabled_write;
309 static read_proc_t linuxExtensionsEnabled_read;
310 static write_proc_t linuxExtensionsEnabled_write;
315 struct proc_dir_entry *pde;
317 proc_fs_cifs = proc_mkdir("cifs", proc_root_fs);
318 if (proc_fs_cifs == NULL)
321 proc_fs_cifs->owner = THIS_MODULE;
322 create_proc_read_entry("DebugData", 0, proc_fs_cifs,
323 cifs_debug_data_read, NULL);
325 #ifdef CONFIG_CIFS_STATS
326 create_proc_read_entry("Stats", 0, proc_fs_cifs,
327 cifs_stats_read, NULL);
329 pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs,
332 pde->write_proc = cifsFYI_write;
335 create_proc_read_entry("traceSMB", 0, proc_fs_cifs,
336 traceSMB_read, NULL);
338 pde->write_proc = traceSMB_write;
340 pde = create_proc_read_entry("OplockEnabled", 0, proc_fs_cifs,
341 oplockEnabled_read, NULL);
343 pde->write_proc = oplockEnabled_write;
345 pde = create_proc_read_entry("ReenableOldCifsReaddirCode", 0, proc_fs_cifs,
346 quotaEnabled_read, NULL);
348 pde->write_proc = quotaEnabled_write;
350 pde = create_proc_read_entry("LinuxExtensionsEnabled", 0, proc_fs_cifs,
351 linuxExtensionsEnabled_read, NULL);
353 pde->write_proc = linuxExtensionsEnabled_write;
356 create_proc_read_entry("MultiuserMount", 0, proc_fs_cifs,
357 multiuser_mount_read, NULL);
359 pde->write_proc = multiuser_mount_write;
362 create_proc_read_entry("ExtendedSecurity", 0, proc_fs_cifs,
363 extended_security_read, NULL);
365 pde->write_proc = extended_security_write;
368 create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs,
369 lookupFlag_read, NULL);
371 pde->write_proc = lookupFlag_write;
374 create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs,
375 ntlmv2_enabled_read, NULL);
377 pde->write_proc = ntlmv2_enabled_write;
380 create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs,
381 packet_signing_enabled_read, NULL);
383 pde->write_proc = packet_signing_enabled_write;
387 cifs_proc_clean(void)
389 if (proc_fs_cifs == NULL)
392 remove_proc_entry("DebugData", proc_fs_cifs);
393 remove_proc_entry("cifsFYI", proc_fs_cifs);
394 remove_proc_entry("traceSMB", proc_fs_cifs);
395 #ifdef CONFIG_CIFS_STATS
396 remove_proc_entry("Stats", proc_fs_cifs);
398 remove_proc_entry("MultiuserMount", proc_fs_cifs);
399 remove_proc_entry("OplockEnabled", proc_fs_cifs);
400 remove_proc_entry("NTLMV2Enabled",proc_fs_cifs);
401 remove_proc_entry("ExtendedSecurity",proc_fs_cifs);
402 remove_proc_entry("PacketSigningEnabled",proc_fs_cifs);
403 remove_proc_entry("LinuxExtensionsEnabled",proc_fs_cifs);
404 remove_proc_entry("ReenableOldCifsReaddirCode",proc_fs_cifs);
405 remove_proc_entry("LookupCacheEnabled",proc_fs_cifs);
406 remove_proc_entry("cifs", proc_root_fs);
410 cifsFYI_read(char *page, char **start, off_t off, int count,
411 int *eof, void *data)
415 len = sprintf(page, "%d\n", cifsFYI);
431 cifsFYI_write(struct file *file, const char __user *buffer,
432 unsigned long count, void *data)
437 rc = get_user(c, buffer);
440 if (c == '0' || c == 'n' || c == 'N')
442 else if (c == '1' || c == 'y' || c == 'Y')
449 oplockEnabled_read(char *page, char **start, off_t off,
450 int count, int *eof, void *data)
454 len = sprintf(page, "%d\n", oplockEnabled);
470 oplockEnabled_write(struct file *file, const char __user *buffer,
471 unsigned long count, void *data)
476 rc = get_user(c, buffer);
479 if (c == '0' || c == 'n' || c == 'N')
481 else if (c == '1' || c == 'y' || c == 'Y')
488 quotaEnabled_read(char *page, char **start, off_t off,
489 int count, int *eof, void *data)
493 len = sprintf(page, "%d\n", experimEnabled);
494 /* could also check if quotas are enabled in kernel
510 quotaEnabled_write(struct file *file, const char __user *buffer,
511 unsigned long count, void *data)
516 rc = get_user(c, buffer);
519 if (c == '0' || c == 'n' || c == 'N')
521 else if (c == '1' || c == 'y' || c == 'Y')
528 linuxExtensionsEnabled_read(char *page, char **start, off_t off,
529 int count, int *eof, void *data)
533 len = sprintf(page, "%d\n", linuxExtEnabled);
534 /* could also check if quotas are enabled in kernel
550 linuxExtensionsEnabled_write(struct file *file, const char __user *buffer,
551 unsigned long count, void *data)
556 rc = get_user(c, buffer);
559 if (c == '0' || c == 'n' || c == 'N')
561 else if (c == '1' || c == 'y' || c == 'Y')
569 lookupFlag_read(char *page, char **start, off_t off,
570 int count, int *eof, void *data)
574 len = sprintf(page, "%d\n", lookupCacheEnabled);
590 lookupFlag_write(struct file *file, const char __user *buffer,
591 unsigned long count, void *data)
596 rc = get_user(c, buffer);
599 if (c == '0' || c == 'n' || c == 'N')
600 lookupCacheEnabled = 0;
601 else if (c == '1' || c == 'y' || c == 'Y')
602 lookupCacheEnabled = 1;
607 traceSMB_read(char *page, char **start, off_t off, int count,
608 int *eof, void *data)
612 len = sprintf(page, "%d\n", traceSMB);
628 traceSMB_write(struct file *file, const char __user *buffer,
629 unsigned long count, void *data)
634 rc = get_user(c, buffer);
637 if (c == '0' || c == 'n' || c == 'N')
639 else if (c == '1' || c == 'y' || c == 'Y')
646 multiuser_mount_read(char *page, char **start, off_t off,
647 int count, int *eof, void *data)
651 len = sprintf(page, "%d\n", multiuser_mount);
667 multiuser_mount_write(struct file *file, const char __user *buffer,
668 unsigned long count, void *data)
673 rc = get_user(c, buffer);
676 if (c == '0' || c == 'n' || c == 'N')
678 else if (c == '1' || c == 'y' || c == 'Y')
685 extended_security_read(char *page, char **start, off_t off,
686 int count, int *eof, void *data)
690 len = sprintf(page, "%d\n", extended_security);
706 extended_security_write(struct file *file, const char __user *buffer,
707 unsigned long count, void *data)
712 rc = get_user(c, buffer);
715 if (c == '0' || c == 'n' || c == 'N')
716 extended_security = 0;
717 else if (c == '1' || c == 'y' || c == 'Y')
718 extended_security = 1;
724 ntlmv2_enabled_read(char *page, char **start, off_t off,
725 int count, int *eof, void *data)
729 len = sprintf(page, "%d\n", ntlmv2_support);
745 ntlmv2_enabled_write(struct file *file, const char __user *buffer,
746 unsigned long count, void *data)
751 rc = get_user(c, buffer);
754 if (c == '0' || c == 'n' || c == 'N')
756 else if (c == '1' || c == 'y' || c == 'Y')
763 packet_signing_enabled_read(char *page, char **start, off_t off,
764 int count, int *eof, void *data)
768 len = sprintf(page, "%d\n", sign_CIFS_PDUs);
784 packet_signing_enabled_write(struct file *file, const char __user *buffer,
785 unsigned long count, void *data)
790 rc = get_user(c, buffer);
793 if (c == '0' || c == 'n' || c == 'N')
795 else if (c == '1' || c == 'y' || c == 'Y')