/*
* fs/cifs_debug.c
*
- * Copyright (C) International Business Machines Corp., 2000,2003
+ * Copyright (C) International Business Machines Corp., 2000,2005
*
* Modified by Steve French (sfrench@us.ibm.com)
*
#include "cifsglob.h"
#include "cifsproto.h"
#include "cifs_debug.h"
+#include "cifsfs.h"
void
cifs_dump_mem(char *label, void *data, int length)
char *charptr = data;
char buf[10], line[80];
- printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n\n",
+ printk(KERN_DEBUG "%s: dump of %d bytes of data at 0x%p\n",
label, length, data);
for (i = 0; i < length; i += 16) {
line[0] = 0;
}
}
+#ifdef CONFIG_CIFS_DEBUG2
+void cifs_dump_detail(struct smb_hdr * smb)
+{
+ cERROR(1,("Cmd: %d Err: 0x%x Flags: 0x%x Flgs2: 0x%x Mid: %d Pid: %d",
+ smb->Command, smb->Status.CifsError,
+ smb->Flags, smb->Flags2, smb->Mid, smb->Pid));
+ cERROR(1,("smb buf %p len %d", smb, smbCalcSize_LE(smb)));
+}
+
+
+void cifs_dump_mids(struct TCP_Server_Info * server)
+{
+ struct list_head *tmp;
+ struct mid_q_entry * mid_entry;
+
+ if(server == NULL)
+ return;
+
+ cERROR(1,("Dump pending requests:"));
+ spin_lock(&GlobalMid_Lock);
+ list_for_each(tmp, &server->pending_mid_q) {
+ mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
+ if(mid_entry) {
+ cERROR(1,("State: %d Cmd: %d Pid: %d Tsk: %p Mid %d",
+ mid_entry->midState,
+ (int)mid_entry->command,
+ mid_entry->pid,
+ mid_entry->tsk,
+ mid_entry->mid));
+#ifdef CONFIG_CIFS_STATS2
+ cERROR(1,("IsLarge: %d buf: %p time rcv: %ld now: %ld",
+ mid_entry->largeBuf,
+ mid_entry->resp_buf,
+ mid_entry->when_received,
+ jiffies));
+#endif /* STATS2 */
+ cERROR(1,("IsMult: %d IsEnd: %d", mid_entry->multiRsp,
+ mid_entry->multiEnd));
+ if(mid_entry->resp_buf) {
+ cifs_dump_detail(mid_entry->resp_buf);
+ cifs_dump_mem("existing buf: ",
+ mid_entry->resp_buf,
+ 62 /* fixme */);
+ }
+
+ }
+ }
+ spin_unlock(&GlobalMid_Lock);
+}
+#endif /* CONFIG_CIFS_DEBUG2 */
+
#ifdef CONFIG_PROC_FS
-int
+static int
cifs_debug_data_read(char *buf, char **beginBuffer, off_t offset,
int count, int *eof, void *data)
{
*beginBuffer = buf + offset;
-
length =
sprintf(buf,
"Display Internal CIFS Data Structures for Debugging\n"
"---------------------------------------------------\n");
buf += length;
-
- length = sprintf(buf, "Servers:\n");
+ length = sprintf(buf,"CIFS Version %s\n",CIFS_VERSION);
+ buf += length;
+ length = sprintf(buf,"Active VFS Requests: %d\n", GlobalTotalActiveXid);
+ buf += length;
+ length = sprintf(buf, "Servers:");
buf += length;
i = 0;
list_for_each(tmp, &GlobalSMBSessionList) {
i++;
ses = list_entry(tmp, struct cifsSesInfo, cifsSessionList);
- length =
- sprintf(buf,
- "\n%d) Name: %s Domain: %s Mounts: %d ServerOS: %s \n\tServerNOS: %s\tCapabilities: 0x%x\n\tSMB session status: %d\tTCP status: %d",
- i, ses->serverName, ses->serverDomain, atomic_read(&ses->inUse),
- ses->serverOS, ses->serverNOS, ses->capabilities,ses->status,ses->server->tcpStatus);
- buf += length;
+ if((ses->serverDomain == NULL) || (ses->serverOS == NULL) ||
+ (ses->serverNOS == NULL)) {
+ buf += sprintf(buf, "\nentry for %s not fully "
+ "displayed\n\t", ses->serverName);
+
+ } else {
+ length =
+ sprintf(buf,
+ "\n%d) Name: %s Domain: %s Mounts: %d OS: %s \n\tNOS: %s\tCapability: 0x%x\n\tSMB session status: %d\t",
+ i, ses->serverName, ses->serverDomain,
+ atomic_read(&ses->inUse),
+ ses->serverOS, ses->serverNOS,
+ ses->capabilities,ses->status);
+ buf += length;
+ }
if(ses->server) {
- buf += sprintf(buf, "\n\tLocal Users To Server: %d SecMode: 0x%x Req Active: %d",
+ buf += sprintf(buf, "TCP status: %d\n\tLocal Users To Server: %d SecMode: 0x%x Req On Wire: %d",
+ ses->server->tcpStatus,
atomic_read(&ses->server->socketUseCount),
ses->server->secMode,
atomic_read(&ses->server->inFlight));
-
- length = sprintf(buf, "\nMIDs: \n");
+
+#ifdef CONFIG_CIFS_STATS2
+ buf += sprintf(buf, " In Send: %d In MaxReq Wait: %d",
+ atomic_read(&ses->server->inSend),
+ atomic_read(&ses->server->num_waiters));
+#endif
+
+ length = sprintf(buf, "\nMIDs:\n");
buf += length;
spin_lock(&GlobalMid_Lock);
mid_q_entry,
qhead);
if(mid_entry) {
- 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);
+ length = sprintf(buf,"State: %d com: %d pid: %d tsk: %p mid %d\n",
+ mid_entry->midState,
+ (int)mid_entry->command,
+ mid_entry->pid,
+ mid_entry->tsk,
+ mid_entry->mid);
buf += length;
}
}
sprintf(buf, "\n");
buf++;
- length = sprintf(buf, "\nShares:\n");
+ length = sprintf(buf, "Shares:");
buf += length;
i = 0;
dev_type = le32_to_cpu(tcon->fsDevInfo.DeviceType);
length =
sprintf(buf,
- "\n%d) %s Uses: %d Type: %s Characteristics: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d",
+ "\n%d) %s Uses: %d Type: %s DevInfo: 0x%x Attributes: 0x%x\nPathComponentMax: %d Status: %d",
i, tcon->treeName,
atomic_read(&tcon->useCount),
tcon->nativeFileSystem,
}
#ifdef CONFIG_CIFS_STATS
-int
+
+static int
+cifs_stats_write(struct file *file, const char __user *buffer,
+ unsigned long count, void *data)
+{
+ char c;
+ int rc;
+ struct list_head *tmp;
+ struct cifsTconInfo *tcon;
+
+ rc = get_user(c, buffer);
+ if (rc)
+ return rc;
+
+ if (c == '1' || c == 'y' || c == 'Y' || c == '0') {
+ read_lock(&GlobalSMBSeslock);
+#ifdef CONFIG_CIFS_STATS2
+ atomic_set(&totBufAllocCount, 0);
+ atomic_set(&totSmBufAllocCount, 0);
+#endif /* CONFIG_CIFS_STATS2 */
+ list_for_each(tmp, &GlobalTreeConnectionList) {
+ tcon = list_entry(tmp, struct cifsTconInfo,
+ cifsConnectionList);
+ atomic_set(&tcon->num_smbs_sent, 0);
+ atomic_set(&tcon->num_writes, 0);
+ atomic_set(&tcon->num_reads, 0);
+ atomic_set(&tcon->num_oplock_brks, 0);
+ atomic_set(&tcon->num_opens, 0);
+ atomic_set(&tcon->num_closes, 0);
+ atomic_set(&tcon->num_deletes, 0);
+ atomic_set(&tcon->num_mkdirs, 0);
+ atomic_set(&tcon->num_rmdirs, 0);
+ atomic_set(&tcon->num_renames, 0);
+ atomic_set(&tcon->num_t2renames, 0);
+ atomic_set(&tcon->num_ffirst, 0);
+ atomic_set(&tcon->num_fnext, 0);
+ atomic_set(&tcon->num_fclose, 0);
+ atomic_set(&tcon->num_hardlinks, 0);
+ atomic_set(&tcon->num_symlinks, 0);
+ atomic_set(&tcon->num_locks, 0);
+ }
+ read_unlock(&GlobalSMBSeslock);
+ }
+
+ return count;
+}
+
+static int
cifs_stats_read(char *buf, char **beginBuffer, off_t offset,
int count, int *eof, void *data)
{
length += item_length;
buf += item_length;
item_length =
- sprintf(buf,"SMB Request/Response Buffer: %d\n",
- bufAllocCount.counter);
+ sprintf(buf,"SMB Request/Response Buffer: %d Pool size: %d\n",
+ bufAllocCount.counter,
+ cifs_min_rcv + tcpSesAllocCount.counter);
length += item_length;
- buf += item_length;
+ buf += item_length;
+ item_length =
+ sprintf(buf,"SMB Small Req/Resp Buffer: %d Pool size: %d\n",
+ smBufAllocCount.counter,cifs_min_small);
+ length += item_length;
+ buf += item_length;
+#ifdef CONFIG_CIFS_STATS2
+ item_length = sprintf(buf, "Total Large %d Small %d Allocations\n",
+ atomic_read(&totBufAllocCount),
+ atomic_read(&totSmBufAllocCount));
+ length += item_length;
+ buf += item_length;
+#endif /* CONFIG_CIFS_STATS2 */
+
item_length =
sprintf(buf,"Operations (MIDs): %d\n",
midCount.counter);
buf += sprintf(buf, "\tDISCONNECTED ");
length += 14;
}
- item_length = sprintf(buf,"\nSMBs: %d Oplock Breaks: %d",
+ item_length = sprintf(buf, "\nSMBs: %d Oplock Breaks: %d",
atomic_read(&tcon->num_smbs_sent),
atomic_read(&tcon->num_oplock_brks));
buf += item_length;
length += item_length;
- item_length = sprintf(buf,"\nReads: %d Bytes %lld",
+ item_length = sprintf(buf, "\nReads: %d Bytes: %lld",
atomic_read(&tcon->num_reads),
(long long)(tcon->bytes_read));
buf += item_length;
length += item_length;
- item_length = sprintf(buf,"\nWrites: %d Bytes: %lld",
+ item_length = sprintf(buf, "\nWrites: %d Bytes: %lld",
atomic_read(&tcon->num_writes),
(long long)(tcon->bytes_written));
+ buf += item_length;
+ length += item_length;
+ item_length = sprintf(buf,
+ "\nLocks: %d HardLinks: %d Symlinks: %d",
+ atomic_read(&tcon->num_locks),
+ atomic_read(&tcon->num_hardlinks),
+ atomic_read(&tcon->num_symlinks));
+ buf += item_length;
+ length += item_length;
+
+ item_length = sprintf(buf, "\nOpens: %d Closes: %d Deletes: %d",
+ atomic_read(&tcon->num_opens),
+ atomic_read(&tcon->num_closes),
+ atomic_read(&tcon->num_deletes));
buf += item_length;
length += item_length;
- item_length = sprintf(buf,
- "\nOpens: %d Deletes: %d\nMkdirs: %d Rmdirs: %d",
- atomic_read(&tcon->num_opens),
- atomic_read(&tcon->num_deletes),
+ item_length = sprintf(buf, "\nMkdirs: %d Rmdirs: %d",
atomic_read(&tcon->num_mkdirs),
atomic_read(&tcon->num_rmdirs));
buf += item_length;
length += item_length;
- item_length = sprintf(buf,
- "\nRenames: %d T2 Renames %d",
+ item_length = sprintf(buf, "\nRenames: %d T2 Renames %d",
atomic_read(&tcon->num_renames),
atomic_read(&tcon->num_t2renames));
buf += item_length;
length += item_length;
+ item_length = sprintf(buf, "\nFindFirst: %d FNext %d FClose %d",
+ atomic_read(&tcon->num_ffirst),
+ atomic_read(&tcon->num_fnext),
+ atomic_read(&tcon->num_fclose));
+ buf += item_length;
+ length += item_length;
}
read_unlock(&GlobalSMBSeslock);
}
#endif
-struct proc_dir_entry *proc_fs_cifs;
+static struct proc_dir_entry *proc_fs_cifs;
read_proc_t cifs_txanchor_read;
static read_proc_t cifsFYI_read;
static write_proc_t cifsFYI_write;
static write_proc_t traceSMB_write;
static read_proc_t multiuser_mount_read;
static write_proc_t multiuser_mount_write;
-static read_proc_t extended_security_read;
-static write_proc_t extended_security_write;
-static read_proc_t ntlmv2_enabled_read;
+static read_proc_t security_flags_read;
+static write_proc_t security_flags_write;
+/* static read_proc_t ntlmv2_enabled_read;
static write_proc_t ntlmv2_enabled_write;
static read_proc_t packet_signing_enabled_read;
-static write_proc_t packet_signing_enabled_write;
-static read_proc_t quotaEnabled_read;
-static write_proc_t quotaEnabled_write;
+static write_proc_t packet_signing_enabled_write;*/
+static read_proc_t experimEnabled_read;
+static write_proc_t experimEnabled_write;
static read_proc_t linuxExtensionsEnabled_read;
static write_proc_t linuxExtensionsEnabled_write;
cifs_debug_data_read, NULL);
#ifdef CONFIG_CIFS_STATS
- create_proc_read_entry("Stats", 0, proc_fs_cifs,
+ pde = create_proc_read_entry("Stats", 0, proc_fs_cifs,
cifs_stats_read, NULL);
+ if (pde)
+ pde->write_proc = cifs_stats_write;
#endif
pde = create_proc_read_entry("cifsFYI", 0, proc_fs_cifs,
cifsFYI_read, NULL);
if (pde)
pde->write_proc = oplockEnabled_write;
- pde = create_proc_read_entry("QuotaEnabled", 0, proc_fs_cifs,
- quotaEnabled_read, NULL);
+ pde = create_proc_read_entry("Experimental", 0, proc_fs_cifs,
+ experimEnabled_read, NULL);
if (pde)
- pde->write_proc = quotaEnabled_write;
+ pde->write_proc = experimEnabled_write;
pde = create_proc_read_entry("LinuxExtensionsEnabled", 0, proc_fs_cifs,
linuxExtensionsEnabled_read, NULL);
pde->write_proc = multiuser_mount_write;
pde =
- create_proc_read_entry("ExtendedSecurity", 0, proc_fs_cifs,
- extended_security_read, NULL);
+ create_proc_read_entry("SecurityFlags", 0, proc_fs_cifs,
+ security_flags_read, NULL);
if (pde)
- pde->write_proc = extended_security_write;
+ pde->write_proc = security_flags_write;
pde =
create_proc_read_entry("LookupCacheEnabled", 0, proc_fs_cifs,
if (pde)
pde->write_proc = lookupFlag_write;
- pde =
+/* pde =
create_proc_read_entry("NTLMV2Enabled", 0, proc_fs_cifs,
ntlmv2_enabled_read, NULL);
if (pde)
create_proc_read_entry("PacketSigningEnabled", 0, proc_fs_cifs,
packet_signing_enabled_read, NULL);
if (pde)
- pde->write_proc = packet_signing_enabled_write;
+ pde->write_proc = packet_signing_enabled_write;*/
}
void
#endif
remove_proc_entry("MultiuserMount", proc_fs_cifs);
remove_proc_entry("OplockEnabled", proc_fs_cifs);
- remove_proc_entry("NTLMV2Enabled",proc_fs_cifs);
- remove_proc_entry("ExtendedSecurity",proc_fs_cifs);
- remove_proc_entry("PacketSigningEnabled",proc_fs_cifs);
+/* remove_proc_entry("NTLMV2Enabled",proc_fs_cifs); */
+ remove_proc_entry("SecurityFlags",proc_fs_cifs);
+/* remove_proc_entry("PacketSigningEnabled",proc_fs_cifs); */
remove_proc_entry("LinuxExtensionsEnabled",proc_fs_cifs);
- remove_proc_entry("QuotaEnabled",proc_fs_cifs);
+ remove_proc_entry("Experimental",proc_fs_cifs);
remove_proc_entry("LookupCacheEnabled",proc_fs_cifs);
remove_proc_entry("cifs", proc_root_fs);
}
cifsFYI = 0;
else if (c == '1' || c == 'y' || c == 'Y')
cifsFYI = 1;
+ else if((c > '1') && (c <= '9'))
+ cifsFYI = (int) (c - '0'); /* see cifs_debug.h for meanings */
return count;
}
}
static int
-quotaEnabled_read(char *page, char **start, off_t off,
+experimEnabled_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
int len;
- len = sprintf(page, "%d\n", quotaEnabled);
-/* could also check if quotas are enabled in kernel
- as a whole first */
+ len = sprintf(page, "%d\n", experimEnabled);
+
len -= off;
*start = page + off;
return len;
}
static int
-quotaEnabled_write(struct file *file, const char __user *buffer,
+experimEnabled_write(struct file *file, const char __user *buffer,
unsigned long count, void *data)
{
- char c;
- int rc;
+ char c;
+ int rc;
- rc = get_user(c, buffer);
- if (rc)
- return rc;
- if (c == '0' || c == 'n' || c == 'N')
- quotaEnabled = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- quotaEnabled = 1;
+ rc = get_user(c, buffer);
+ if (rc)
+ return rc;
+ if (c == '0' || c == 'n' || c == 'N')
+ experimEnabled = 0;
+ else if (c == '1' || c == 'y' || c == 'Y')
+ experimEnabled = 1;
+ else if (c == '2')
+ experimEnabled = 2;
- return count;
+ return count;
}
static int
int len;
len = sprintf(page, "%d\n", linuxExtEnabled);
-/* could also check if quotas are enabled in kernel
- as a whole first */
len -= off;
*start = page + off;
}
static int
-extended_security_read(char *page, char **start, off_t off,
+security_flags_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
int len;
- len = sprintf(page, "%d\n", extended_security);
+ len = sprintf(page, "0x%x\n", extended_security);
len -= off;
*start = page + off;
return len;
}
static int
-extended_security_write(struct file *file, const char __user *buffer,
+security_flags_write(struct file *file, const char __user *buffer,
unsigned long count, void *data)
{
+ unsigned int flags;
+ char flags_string[12];
char c;
- int rc;
- rc = get_user(c, buffer);
- if (rc)
- return rc;
- if (c == '0' || c == 'n' || c == 'N')
- extended_security = 0;
- else if (c == '1' || c == 'y' || c == 'Y')
- extended_security = 1;
+ if((count < 1) || (count > 11))
+ return -EINVAL;
+ memset(flags_string, 0, 12);
+
+ if(copy_from_user(flags_string, buffer, count))
+ return -EFAULT;
+
+ if(count < 3) {
+ /* single char or single char followed by null */
+ c = flags_string[0];
+ if (c == '0' || c == 'n' || c == 'N')
+ extended_security = CIFSSEC_DEF; /* default */
+ else if (c == '1' || c == 'y' || c == 'Y')
+ extended_security = CIFSSEC_MAX;
+ return count;
+ }
+ /* else we have a number */
+
+ flags = simple_strtoul(flags_string, NULL, 0);
+
+ cFYI(1,("sec flags 0x%x", flags));
+
+ if(flags <= 0) {
+ cERROR(1,("invalid security flags %s",flags_string));
+ return -EINVAL;
+ }
+
+ if(flags & ~CIFSSEC_MASK) {
+ cERROR(1,("attempt to set unsupported security flags 0x%x",
+ flags & ~CIFSSEC_MASK));
+ return -EINVAL;
+ }
+ /* flags look ok - update the global security flags for cifs module */
+ extended_security = flags;
return count;
}
-static int
+/* static int
ntlmv2_enabled_read(char *page, char **start, off_t off,
int count, int *eof, void *data)
{
ntlmv2_support = 0;
else if (c == '1' || c == 'y' || c == 'Y')
ntlmv2_support = 1;
+ else if (c == '2')
+ ntlmv2_support = 2;
return count;
}
sign_CIFS_PDUs = 2;
return count;
-}
+} */
#endif