/*
* fs/cifs/cifsglob.h
*
- * Copyright (C) International Business Machines Corp., 2002,2003
+ * Copyright (C) International Business Machines Corp., 2002,2006
* Author(s): Steve French (sfrench@us.ibm.com)
*
* This library is free software; you can redistribute it and/or modify
termination then *2 for unicode versions */
#define MAX_PASSWORD_SIZE 16
+#define CIFS_MIN_RCV_POOL 4
+
/*
* MAX_REQ is the maximum number of requests that WE will send
* on one socket concurently. It also matches the most common
*/
struct TCP_Server_Info {
- char server_Name[SERVER_NAME_LEN_WITH_NULL]; /* 15 chars + X'20'in 16th */
- char unicode_server_Name[SERVER_NAME_LEN_WITH_NULL * 2]; /* Unicode version of server_Name */
+ /* 15 character server name + 0x20 16th byte indicating type = srv */
+ char server_RFC1001_name[SERVER_NAME_LEN_WITH_NULL];
+ char unicode_server_Name[SERVER_NAME_LEN_WITH_NULL * 2];
struct socket *ssocket;
union {
struct sockaddr_in sockAddr;
struct list_head pending_mid_q;
void *Server_NlsInfo; /* BB - placeholder for future NLS info */
unsigned short server_codepage; /* codepage for the server */
- unsigned long ip_address; /* IP addr for the server if known */
+ unsigned long ip_address; /* IP addr for the server if known */
enum protocolEnum protocolType;
char versionMajor;
char versionMinor;
- int svlocal:1; /* local server or remote */
+ unsigned svlocal:1; /* local server or remote */
atomic_t socketUseCount; /* number of open cifs sessions on socket */
atomic_t inFlight; /* number of requests on the wire to server */
+#ifdef CONFIG_CIFS_STATS2
+ atomic_t inSend; /* requests trying to send */
+ atomic_t num_waiters; /* blocked waiting to get in sendrecv */
+#endif
enum statusEnum tcpStatus; /* what we think the status is */
struct semaphore tcpSem;
struct task_struct *tsk;
/* (returned on Negotiate */
int capabilities; /* allow selective disabling of caps by smb sess */
__u16 timeZone;
+ __u16 CurrentMid; /* multiplex id - rotating counter */
char cryptKey[CIFS_CRYPTO_KEY_SIZE];
- char workstation_RFC1001_name[16]; /* 16th byte is always zero */
+ /* 16th byte of RFC1001 workstation name is always null */
+ char workstation_RFC1001_name[SERVER_NAME_LEN_WITH_NULL];
+ __u32 sequence_number; /* needed for CIFS PDU signature */
+ char mac_signing_key[CIFS_SESSION_KEY_SIZE + 16];
};
/*
struct TCP_Server_Info *server; /* pointer to server info */
atomic_t inUse; /* # of mounts (tree connections) on this ses */
enum statusEnum status;
- __u32 sequence_number; /* needed for CIFS PDU signature */
__u16 ipc_tid; /* special tid for connection to IPC share */
- char mac_signing_key[CIFS_SESSION_KEY_SIZE + 16];
- char *serverOS; /* name of operating system underlying the server */
- char *serverNOS; /* name of network operating system that the server is running */
+ __u16 flags;
+ char *serverOS; /* name of operating system underlying server */
+ char *serverNOS; /* name of network operating system of server */
char *serverDomain; /* security realm of server */
int Suid; /* remote smb uid */
uid_t linux_uid; /* local Linux uid */
int capabilities;
- char serverName[SERVER_NAME_LEN_WITH_NULL * 2]; /* BB make bigger for tcp names - will ipv6 and sctp addresses fit here?? */
+ char serverName[SERVER_NAME_LEN_WITH_NULL * 2]; /* BB make bigger for
+ TCP names - will ipv6 and sctp addresses fit? */
char userName[MAX_USERNAME_SIZE + 1];
char domainName[MAX_USERNAME_SIZE + 1];
char * password;
};
+/* session flags */
+#define CIFS_SES_NT4 1
/*
* there is one of these for each connection to a resource on a particular
atomic_t num_reads;
atomic_t num_oplock_brks;
atomic_t num_opens;
+ atomic_t num_closes;
atomic_t num_deletes;
atomic_t num_mkdirs;
atomic_t num_rmdirs;
+ atomic_t num_renames;
+ atomic_t num_t2renames;
+ atomic_t num_ffirst;
+ atomic_t num_fnext;
+ atomic_t num_fclose;
+ atomic_t num_hardlinks;
+ atomic_t num_symlinks;
+ atomic_t num_locks;
+ atomic_t num_acl_get;
+ atomic_t num_acl_set;
+#ifdef CONFIG_CIFS_STATS2
+ unsigned long long time_writes;
+ unsigned long long time_reads;
+ unsigned long long time_opens;
+ unsigned long long time_deletes;
+ unsigned long long time_closes;
+ unsigned long long time_mkdirs;
+ unsigned long long time_rmdirs;
+ unsigned long long time_renames;
+ unsigned long long time_t2renames;
+ unsigned long long time_ffirst;
+ unsigned long long time_fnext;
+ unsigned long long time_fclose;
+#endif /* CONFIG_CIFS_STATS2 */
__u64 bytes_read;
__u64 bytes_written;
spinlock_t stat_lock;
-#endif
+#endif /* CONFIG_CIFS_STATS */
FILE_SYSTEM_DEVICE_INFO fsDevInfo;
FILE_SYSTEM_ATTRIBUTE_INFO fsAttrInfo; /* ok if file system name truncated */
FILE_SYSTEM_UNIX_INFO fsUnixInfo;
- int retry:1;
+ unsigned retry:1;
+ unsigned nocase:1;
/* BB add field for back pointer to sb struct? */
};
/*
* One of these for each open instance of a file
*/
+struct cifs_search_info {
+ loff_t index_of_last_entry;
+ __u16 entries_in_buffer;
+ __u16 info_level;
+ __u32 resume_key;
+ char * ntwrk_buf_start;
+ char * srch_entries_start;
+ char * presume_name;
+ unsigned int resume_name_len;
+ unsigned endOfSearch:1;
+ unsigned emptyDir:1;
+ unsigned unicode:1;
+ unsigned smallBuf:1; /* so we know which buf_release function to call */
+};
+
struct cifsFileInfo {
struct list_head tlist; /* pointer to next fid owned by tcon */
struct list_head flist; /* next fid (file instance) for this inode */
/* lock scope id (0 if none) */
struct file * pfile; /* needed for writepage */
struct inode * pInode; /* needed for oplock break */
- int endOfSearch:1; /* we have reached end of search */
- int closePend:1; /* file is marked to close */
- int emptyDir:1;
- int invalidHandle:1; /* file closed via session abend */
+ unsigned closePend:1; /* file is marked to close */
+ unsigned invalidHandle:1; /* file closed via session abend */
+ atomic_t wrtPending; /* handle in use - defer close */
struct semaphore fh_sem; /* prevents reopen race after dead ses*/
- char * search_resume_name;
- unsigned int resume_name_length;
- __u32 resume_key;
+ char * search_resume_name; /* BB removeme BB */
+ unsigned int resume_name_length; /* BB removeme - field renamed and moved BB */
+ struct cifs_search_info srch_inf;
};
/*
__u32 cifsAttrs; /* e.g. DOS archive bit, sparse, compressed, system */
atomic_t inUse; /* num concurrent users (local openers cifs) of file*/
unsigned long time; /* jiffies of last update/check of inode */
- int clientCanCacheRead:1; /* read oplock */
- int clientCanCacheAll:1; /* read and writebehind oplock */
- int oplockPending:1;
+ unsigned clientCanCacheRead:1; /* read oplock */
+ unsigned clientCanCacheAll:1; /* read and writebehind oplock */
+ unsigned oplockPending:1;
struct inode vfs_inode;
};
return sb->s_fs_info;
}
+static inline char CIFS_DIR_SEP(const struct cifs_sb_info *cifs_sb)
+{
+ if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_POSIX_PATHS)
+ return '/';
+ else
+ return '\\';
+}
+
+#ifdef CONFIG_CIFS_STATS
+#define cifs_stats_inc atomic_inc
+
+static inline void cifs_stats_bytes_written(struct cifsTconInfo *tcon,
+ unsigned int bytes)
+{
+ if (bytes) {
+ spin_lock(&tcon->stat_lock);
+ tcon->bytes_written += bytes;
+ spin_unlock(&tcon->stat_lock);
+ }
+}
+
+static inline void cifs_stats_bytes_read(struct cifsTconInfo *tcon,
+ unsigned int bytes)
+{
+ spin_lock(&tcon->stat_lock);
+ tcon->bytes_read += bytes;
+ spin_unlock(&tcon->stat_lock);
+}
+#else
+
+#define cifs_stats_inc(field) do {} while(0)
+#define cifs_stats_bytes_written(tcon, bytes) do {} while(0)
+#define cifs_stats_bytes_read(tcon, bytes) do {} while(0)
+
+#endif
/* one of these for every pending CIFS request to the server */
struct mid_q_entry {
__u16 mid; /* multiplex id */
__u16 pid; /* process id */
__u32 sequence_number; /* for CIFS signing */
- __u16 command; /* smb command code */
- struct timeval when_sent; /* time when smb sent */
+ unsigned long when_alloc; /* when mid was created */
+#ifdef CONFIG_CIFS_STATS2
+ unsigned long when_sent; /* time when smb send finished */
+ unsigned long when_received; /* when demux complete (taken off wire) */
+#endif
struct cifsSesInfo *ses; /* smb was sent to this server */
struct task_struct *tsk; /* task waiting for response */
struct smb_hdr *resp_buf; /* response buffer */
int midState; /* wish this were enum but can not pass to wait_event */
+ __u8 command; /* smb command code */
+ unsigned multiPart:1; /* multiple responses to one SMB request */
+ unsigned largeBuf:1; /* if valid response, is pointer to large buf */
+ unsigned multiResp:1; /* multiple trans2 responses for one request */
};
struct oplock_q_entry {
__u16 netfid;
};
+/* for pending dnotify requests */
+struct dir_notify_req {
+ struct list_head lhead;
+ __le16 Pid;
+ __le16 PidHigh;
+ __u16 Mid;
+ __u16 Tid;
+ __u16 Uid;
+ __u16 netfid;
+ __u32 filter; /* CompletionFilter (for multishot) */
+ int multishot;
+ struct file * pfile;
+};
+
#define MID_FREE 0
#define MID_REQUEST_ALLOCATED 1
#define MID_REQUEST_SUBMITTED 2
#define MID_RESPONSE_RECEIVED 4
#define MID_RETRY_NEEDED 8 /* session closed while this request out */
+#define MID_NO_RESP_NEEDED 0x10
+
+/* Types of response buffer returned from SendReceive2 */
+#define CIFS_NO_BUFFER 0 /* Response buffer not returned */
+#define CIFS_SMALL_BUFFER 1
+#define CIFS_LARGE_BUFFER 2
+#define CIFS_IOVEC 4 /* array of response buffers */
+
+/* Type of session setup needed */
+#define CIFS_PLAINTEXT 0
+#define CIFS_LANMAN 1
+#define CIFS_NTLM 2
+#define CIFS_NTLMSSP_NEG 3
+#define CIFS_NTLMSSP_AUTH 4
+#define CIFS_SPNEGO_INIT 5
+#define CIFS_SPNEGO_TARG 6
/*
*****************************************************************
GLOBAL_EXTERN struct list_head GlobalOplock_Q;
+GLOBAL_EXTERN struct list_head GlobalDnotifyReqList; /* Outstanding dir notify requests */
+GLOBAL_EXTERN struct list_head GlobalDnotifyRsp_Q; /* Dir notify response queue */
+
/*
* Global transaction id (XID) information
*/
*/
GLOBAL_EXTERN atomic_t sesInfoAllocCount;
GLOBAL_EXTERN atomic_t tconInfoAllocCount;
-
+GLOBAL_EXTERN atomic_t tcpSesAllocCount;
GLOBAL_EXTERN atomic_t tcpSesReconnectCount;
GLOBAL_EXTERN atomic_t tconInfoReconnectCount;
/* Various Debug counters to remove someday (BB) */
-GLOBAL_EXTERN atomic_t bufAllocCount;
+GLOBAL_EXTERN atomic_t bufAllocCount; /* current number allocated */
+#ifdef CONFIG_CIFS_STATS2
+GLOBAL_EXTERN atomic_t totBufAllocCount; /* total allocated over all time */
+GLOBAL_EXTERN atomic_t totSmBufAllocCount;
+#endif
+GLOBAL_EXTERN atomic_t smBufAllocCount;
GLOBAL_EXTERN atomic_t midCount;
/* Misc globals */
have the uid/password or Kerberos credential
or equivalent for current user */
GLOBAL_EXTERN unsigned int oplockEnabled;
-GLOBAL_EXTERN unsigned int quotaEnabled;
+GLOBAL_EXTERN unsigned int experimEnabled;
GLOBAL_EXTERN unsigned int lookupCacheEnabled;
GLOBAL_EXTERN unsigned int extended_security; /* if on, session setup sent
with more secure ntlmssp2 challenge/resp */
GLOBAL_EXTERN unsigned int ntlmv2_support; /* better optional password hash */
GLOBAL_EXTERN unsigned int sign_CIFS_PDUs; /* enable smb packet signing */
-GLOBAL_EXTERN unsigned int linuxExtEnabled; /* enable Linux/Unix CIFS extensions */
+GLOBAL_EXTERN unsigned int linuxExtEnabled;/*enable Linux/Unix CIFS extensions*/
+GLOBAL_EXTERN unsigned int CIFSMaxBufSize; /* max size not including hdr */
+GLOBAL_EXTERN unsigned int cifs_min_rcv; /* min size of big ntwrk buf pool */
+GLOBAL_EXTERN unsigned int cifs_min_small; /* min size of small buf pool */
+GLOBAL_EXTERN unsigned int cifs_max_pending; /* MAX requests at once to server*/
git://git.onelab.eu / linux-2.6.git / blobdiff