2 * SMB2 version specific operations
4 * Copyright (c) 2012, Jeff Layton <jlayton@redhat.com>
6 * This library is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License v2 as published
8 * by the Free Software Foundation.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
13 * the GNU Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public License
16 * along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #include <linux/pagemap.h>
21 #include <linux/vfs.h>
24 #include "smb2proto.h"
25 #include "cifsproto.h"
26 #include "cifs_debug.h"
27 #include "cifs_unicode.h"
28 #include "smb2status.h"
32 change_conf(struct TCP_Server_Info
*server
)
34 server
->credits
+= server
->echo_credits
+ server
->oplock_credits
;
35 server
->oplock_credits
= server
->echo_credits
= 0;
36 switch (server
->credits
) {
40 server
->echoes
= false;
41 server
->oplocks
= false;
42 cifs_dbg(VFS
, "disabling echoes and oplocks\n");
45 server
->echoes
= true;
46 server
->oplocks
= false;
47 server
->echo_credits
= 1;
48 cifs_dbg(FYI
, "disabling oplocks\n");
51 server
->echoes
= true;
52 server
->oplocks
= true;
53 server
->echo_credits
= 1;
54 server
->oplock_credits
= 1;
56 server
->credits
-= server
->echo_credits
+ server
->oplock_credits
;
61 smb2_add_credits(struct TCP_Server_Info
*server
, const unsigned int add
,
65 spin_lock(&server
->req_lock
);
66 val
= server
->ops
->get_credits_field(server
, optype
);
69 if (server
->in_flight
== 0 && (optype
& CIFS_OP_MASK
) != CIFS_NEG_OP
)
70 rc
= change_conf(server
);
72 * Sometimes server returns 0 credits on oplock break ack - we need to
73 * rebalance credits in this case.
75 else if (server
->in_flight
> 0 && server
->oplock_credits
== 0 &&
77 if (server
->credits
> 1) {
79 server
->oplock_credits
++;
82 spin_unlock(&server
->req_lock
);
83 wake_up(&server
->request_q
);
85 cifs_reconnect(server
);
89 smb2_set_credits(struct TCP_Server_Info
*server
, const int val
)
91 spin_lock(&server
->req_lock
);
92 server
->credits
= val
;
93 spin_unlock(&server
->req_lock
);
97 smb2_get_credits_field(struct TCP_Server_Info
*server
, const int optype
)
101 return &server
->echo_credits
;
103 return &server
->oplock_credits
;
105 return &server
->credits
;
110 smb2_get_credits(struct mid_q_entry
*mid
)
112 return le16_to_cpu(((struct smb2_hdr
*)mid
->resp_buf
)->CreditRequest
);
116 smb2_get_next_mid(struct TCP_Server_Info
*server
)
119 /* for SMB2 we need the current value */
120 spin_lock(&GlobalMid_Lock
);
121 mid
= server
->CurrentMid
++;
122 spin_unlock(&GlobalMid_Lock
);
126 static struct mid_q_entry
*
127 smb2_find_mid(struct TCP_Server_Info
*server
, char *buf
)
129 struct mid_q_entry
*mid
;
130 struct smb2_hdr
*hdr
= (struct smb2_hdr
*)buf
;
132 spin_lock(&GlobalMid_Lock
);
133 list_for_each_entry(mid
, &server
->pending_mid_q
, qhead
) {
134 if ((mid
->mid
== hdr
->MessageId
) &&
135 (mid
->mid_state
== MID_REQUEST_SUBMITTED
) &&
136 (mid
->command
== hdr
->Command
)) {
137 spin_unlock(&GlobalMid_Lock
);
141 spin_unlock(&GlobalMid_Lock
);
146 smb2_dump_detail(void *buf
)
148 #ifdef CONFIG_CIFS_DEBUG2
149 struct smb2_hdr
*smb
= (struct smb2_hdr
*)buf
;
151 cifs_dbg(VFS
, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n",
152 smb
->Command
, smb
->Status
, smb
->Flags
, smb
->MessageId
,
154 cifs_dbg(VFS
, "smb buf %p len %u\n", smb
, smb2_calc_size(smb
));
159 smb2_need_neg(struct TCP_Server_Info
*server
)
161 return server
->max_read
== 0;
165 smb2_negotiate(const unsigned int xid
, struct cifs_ses
*ses
)
168 ses
->server
->CurrentMid
= 0;
169 rc
= SMB2_negotiate(xid
, ses
);
170 /* BB we probably don't need to retry with modern servers */
177 smb2_negotiate_wsize(struct cifs_tcon
*tcon
, struct smb_vol
*volume_info
)
179 struct TCP_Server_Info
*server
= tcon
->ses
->server
;
182 /* start with specified wsize, or default */
183 wsize
= volume_info
->wsize
? volume_info
->wsize
: CIFS_DEFAULT_IOSIZE
;
184 wsize
= min_t(unsigned int, wsize
, server
->max_write
);
186 * limit write size to 2 ** 16, because we don't support multicredit
189 wsize
= min_t(unsigned int, wsize
, 2 << 15);
195 smb2_negotiate_rsize(struct cifs_tcon
*tcon
, struct smb_vol
*volume_info
)
197 struct TCP_Server_Info
*server
= tcon
->ses
->server
;
200 /* start with specified rsize, or default */
201 rsize
= volume_info
->rsize
? volume_info
->rsize
: CIFS_DEFAULT_IOSIZE
;
202 rsize
= min_t(unsigned int, rsize
, server
->max_read
);
204 * limit write size to 2 ** 16, because we don't support multicredit
207 rsize
= min_t(unsigned int, rsize
, 2 << 15);
212 #ifdef CONFIG_CIFS_STATS2
214 SMB3_request_interfaces(const unsigned int xid
, struct cifs_tcon
*tcon
)
217 unsigned int ret_data_len
= 0;
218 struct network_interface_info_ioctl_rsp
*out_buf
;
220 rc
= SMB2_ioctl(xid
, tcon
, NO_FILE_ID
, NO_FILE_ID
,
221 FSCTL_QUERY_NETWORK_INTERFACE_INFO
, true /* is_fsctl */,
222 NULL
/* no data input */, 0 /* no data input */,
223 (char **)&out_buf
, &ret_data_len
);
225 if ((rc
== 0) && (ret_data_len
> 0)) {
226 /* Dump info on first interface */
227 cifs_dbg(FYI
, "Adapter Capability 0x%x\t",
228 le32_to_cpu(out_buf
->Capability
));
229 cifs_dbg(FYI
, "Link Speed %lld\n",
230 le64_to_cpu(out_buf
->LinkSpeed
));
232 cifs_dbg(VFS
, "error %d on ioctl to get interface list\n", rc
);
239 smb3_qfs_tcon(const unsigned int xid
, struct cifs_tcon
*tcon
)
242 __le16 srch_path
= 0; /* Null - open root of share */
243 u8 oplock
= SMB2_OPLOCK_LEVEL_NONE
;
244 struct cifs_open_parms oparms
;
248 oparms
.desired_access
= FILE_READ_ATTRIBUTES
;
249 oparms
.disposition
= FILE_OPEN
;
250 oparms
.create_options
= 0;
252 oparms
.reconnect
= false;
254 rc
= SMB2_open(xid
, &oparms
, &srch_path
, &oplock
, NULL
, NULL
);
258 #ifdef CONFIG_CIFS_STATS2
259 SMB3_request_interfaces(xid
, tcon
);
262 SMB2_QFS_attr(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
,
263 FS_ATTRIBUTE_INFORMATION
);
264 SMB2_QFS_attr(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
,
265 FS_DEVICE_INFORMATION
);
266 SMB2_QFS_attr(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
,
267 FS_SECTOR_SIZE_INFORMATION
); /* SMB3 specific */
268 SMB2_close(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
);
273 smb2_qfs_tcon(const unsigned int xid
, struct cifs_tcon
*tcon
)
276 __le16 srch_path
= 0; /* Null - open root of share */
277 u8 oplock
= SMB2_OPLOCK_LEVEL_NONE
;
278 struct cifs_open_parms oparms
;
282 oparms
.desired_access
= FILE_READ_ATTRIBUTES
;
283 oparms
.disposition
= FILE_OPEN
;
284 oparms
.create_options
= 0;
286 oparms
.reconnect
= false;
288 rc
= SMB2_open(xid
, &oparms
, &srch_path
, &oplock
, NULL
, NULL
);
292 SMB2_QFS_attr(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
,
293 FS_ATTRIBUTE_INFORMATION
);
294 SMB2_QFS_attr(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
,
295 FS_DEVICE_INFORMATION
);
296 SMB2_close(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
);
301 smb2_is_path_accessible(const unsigned int xid
, struct cifs_tcon
*tcon
,
302 struct cifs_sb_info
*cifs_sb
, const char *full_path
)
306 __u8 oplock
= SMB2_OPLOCK_LEVEL_NONE
;
307 struct cifs_open_parms oparms
;
310 utf16_path
= cifs_convert_path_to_utf16(full_path
, cifs_sb
);
315 oparms
.desired_access
= FILE_READ_ATTRIBUTES
;
316 oparms
.disposition
= FILE_OPEN
;
317 oparms
.create_options
= 0;
319 oparms
.reconnect
= false;
321 rc
= SMB2_open(xid
, &oparms
, utf16_path
, &oplock
, NULL
, NULL
);
327 rc
= SMB2_close(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
);
333 smb2_get_srv_inum(const unsigned int xid
, struct cifs_tcon
*tcon
,
334 struct cifs_sb_info
*cifs_sb
, const char *full_path
,
335 u64
*uniqueid
, FILE_ALL_INFO
*data
)
337 *uniqueid
= le64_to_cpu(data
->IndexNumber
);
342 smb2_query_file_info(const unsigned int xid
, struct cifs_tcon
*tcon
,
343 struct cifs_fid
*fid
, FILE_ALL_INFO
*data
)
346 struct smb2_file_all_info
*smb2_data
;
348 smb2_data
= kzalloc(sizeof(struct smb2_file_all_info
) + MAX_NAME
* 2,
350 if (smb2_data
== NULL
)
353 rc
= SMB2_query_info(xid
, tcon
, fid
->persistent_fid
, fid
->volatile_fid
,
356 move_smb2_info_to_cifs(data
, smb2_data
);
362 smb2_can_echo(struct TCP_Server_Info
*server
)
364 return server
->echoes
;
368 smb2_clear_stats(struct cifs_tcon
*tcon
)
370 #ifdef CONFIG_CIFS_STATS
372 for (i
= 0; i
< NUMBER_OF_SMB2_COMMANDS
; i
++) {
373 atomic_set(&tcon
->stats
.smb2_stats
.smb2_com_sent
[i
], 0);
374 atomic_set(&tcon
->stats
.smb2_stats
.smb2_com_failed
[i
], 0);
380 smb2_dump_share_caps(struct seq_file
*m
, struct cifs_tcon
*tcon
)
382 seq_puts(m
, "\n\tShare Capabilities:");
383 if (tcon
->capabilities
& SMB2_SHARE_CAP_DFS
)
384 seq_puts(m
, " DFS,");
385 if (tcon
->capabilities
& SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY
)
386 seq_puts(m
, " CONTINUOUS AVAILABILITY,");
387 if (tcon
->capabilities
& SMB2_SHARE_CAP_SCALEOUT
)
388 seq_puts(m
, " SCALEOUT,");
389 if (tcon
->capabilities
& SMB2_SHARE_CAP_CLUSTER
)
390 seq_puts(m
, " CLUSTER,");
391 if (tcon
->capabilities
& SMB2_SHARE_CAP_ASYMMETRIC
)
392 seq_puts(m
, " ASYMMETRIC,");
393 if (tcon
->capabilities
== 0)
394 seq_puts(m
, " None");
395 if (tcon
->ss_flags
& SSINFO_FLAGS_ALIGNED_DEVICE
)
396 seq_puts(m
, " Aligned,");
397 if (tcon
->ss_flags
& SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE
)
398 seq_puts(m
, " Partition Aligned,");
399 if (tcon
->ss_flags
& SSINFO_FLAGS_NO_SEEK_PENALTY
)
400 seq_puts(m
, " SSD,");
401 if (tcon
->ss_flags
& SSINFO_FLAGS_TRIM_ENABLED
)
402 seq_puts(m
, " TRIM-support,");
404 seq_printf(m
, "\tShare Flags: 0x%x", tcon
->share_flags
);
405 if (tcon
->perf_sector_size
)
406 seq_printf(m
, "\tOptimal sector size: 0x%x",
407 tcon
->perf_sector_size
);
411 smb2_print_stats(struct seq_file
*m
, struct cifs_tcon
*tcon
)
413 #ifdef CONFIG_CIFS_STATS
414 atomic_t
*sent
= tcon
->stats
.smb2_stats
.smb2_com_sent
;
415 atomic_t
*failed
= tcon
->stats
.smb2_stats
.smb2_com_failed
;
416 seq_printf(m
, "\nNegotiates: %d sent %d failed",
417 atomic_read(&sent
[SMB2_NEGOTIATE_HE
]),
418 atomic_read(&failed
[SMB2_NEGOTIATE_HE
]));
419 seq_printf(m
, "\nSessionSetups: %d sent %d failed",
420 atomic_read(&sent
[SMB2_SESSION_SETUP_HE
]),
421 atomic_read(&failed
[SMB2_SESSION_SETUP_HE
]));
422 seq_printf(m
, "\nLogoffs: %d sent %d failed",
423 atomic_read(&sent
[SMB2_LOGOFF_HE
]),
424 atomic_read(&failed
[SMB2_LOGOFF_HE
]));
425 seq_printf(m
, "\nTreeConnects: %d sent %d failed",
426 atomic_read(&sent
[SMB2_TREE_CONNECT_HE
]),
427 atomic_read(&failed
[SMB2_TREE_CONNECT_HE
]));
428 seq_printf(m
, "\nTreeDisconnects: %d sent %d failed",
429 atomic_read(&sent
[SMB2_TREE_DISCONNECT_HE
]),
430 atomic_read(&failed
[SMB2_TREE_DISCONNECT_HE
]));
431 seq_printf(m
, "\nCreates: %d sent %d failed",
432 atomic_read(&sent
[SMB2_CREATE_HE
]),
433 atomic_read(&failed
[SMB2_CREATE_HE
]));
434 seq_printf(m
, "\nCloses: %d sent %d failed",
435 atomic_read(&sent
[SMB2_CLOSE_HE
]),
436 atomic_read(&failed
[SMB2_CLOSE_HE
]));
437 seq_printf(m
, "\nFlushes: %d sent %d failed",
438 atomic_read(&sent
[SMB2_FLUSH_HE
]),
439 atomic_read(&failed
[SMB2_FLUSH_HE
]));
440 seq_printf(m
, "\nReads: %d sent %d failed",
441 atomic_read(&sent
[SMB2_READ_HE
]),
442 atomic_read(&failed
[SMB2_READ_HE
]));
443 seq_printf(m
, "\nWrites: %d sent %d failed",
444 atomic_read(&sent
[SMB2_WRITE_HE
]),
445 atomic_read(&failed
[SMB2_WRITE_HE
]));
446 seq_printf(m
, "\nLocks: %d sent %d failed",
447 atomic_read(&sent
[SMB2_LOCK_HE
]),
448 atomic_read(&failed
[SMB2_LOCK_HE
]));
449 seq_printf(m
, "\nIOCTLs: %d sent %d failed",
450 atomic_read(&sent
[SMB2_IOCTL_HE
]),
451 atomic_read(&failed
[SMB2_IOCTL_HE
]));
452 seq_printf(m
, "\nCancels: %d sent %d failed",
453 atomic_read(&sent
[SMB2_CANCEL_HE
]),
454 atomic_read(&failed
[SMB2_CANCEL_HE
]));
455 seq_printf(m
, "\nEchos: %d sent %d failed",
456 atomic_read(&sent
[SMB2_ECHO_HE
]),
457 atomic_read(&failed
[SMB2_ECHO_HE
]));
458 seq_printf(m
, "\nQueryDirectories: %d sent %d failed",
459 atomic_read(&sent
[SMB2_QUERY_DIRECTORY_HE
]),
460 atomic_read(&failed
[SMB2_QUERY_DIRECTORY_HE
]));
461 seq_printf(m
, "\nChangeNotifies: %d sent %d failed",
462 atomic_read(&sent
[SMB2_CHANGE_NOTIFY_HE
]),
463 atomic_read(&failed
[SMB2_CHANGE_NOTIFY_HE
]));
464 seq_printf(m
, "\nQueryInfos: %d sent %d failed",
465 atomic_read(&sent
[SMB2_QUERY_INFO_HE
]),
466 atomic_read(&failed
[SMB2_QUERY_INFO_HE
]));
467 seq_printf(m
, "\nSetInfos: %d sent %d failed",
468 atomic_read(&sent
[SMB2_SET_INFO_HE
]),
469 atomic_read(&failed
[SMB2_SET_INFO_HE
]));
470 seq_printf(m
, "\nOplockBreaks: %d sent %d failed",
471 atomic_read(&sent
[SMB2_OPLOCK_BREAK_HE
]),
472 atomic_read(&failed
[SMB2_OPLOCK_BREAK_HE
]));
477 smb2_set_fid(struct cifsFileInfo
*cfile
, struct cifs_fid
*fid
, __u32 oplock
)
479 struct cifsInodeInfo
*cinode
= CIFS_I(cfile
->dentry
->d_inode
);
480 struct TCP_Server_Info
*server
= tlink_tcon(cfile
->tlink
)->ses
->server
;
482 cfile
->fid
.persistent_fid
= fid
->persistent_fid
;
483 cfile
->fid
.volatile_fid
= fid
->volatile_fid
;
484 server
->ops
->set_oplock_level(cinode
, oplock
, fid
->epoch
,
486 cinode
->can_cache_brlcks
= CIFS_CACHE_WRITE(cinode
);
490 smb2_close_file(const unsigned int xid
, struct cifs_tcon
*tcon
,
491 struct cifs_fid
*fid
)
493 SMB2_close(xid
, tcon
, fid
->persistent_fid
, fid
->volatile_fid
);
497 smb2_flush_file(const unsigned int xid
, struct cifs_tcon
*tcon
,
498 struct cifs_fid
*fid
)
500 return SMB2_flush(xid
, tcon
, fid
->persistent_fid
, fid
->volatile_fid
);
504 smb2_read_data_offset(char *buf
)
506 struct smb2_read_rsp
*rsp
= (struct smb2_read_rsp
*)buf
;
507 return rsp
->DataOffset
;
511 smb2_read_data_length(char *buf
)
513 struct smb2_read_rsp
*rsp
= (struct smb2_read_rsp
*)buf
;
514 return le32_to_cpu(rsp
->DataLength
);
519 smb2_sync_read(const unsigned int xid
, struct cifsFileInfo
*cfile
,
520 struct cifs_io_parms
*parms
, unsigned int *bytes_read
,
521 char **buf
, int *buf_type
)
523 parms
->persistent_fid
= cfile
->fid
.persistent_fid
;
524 parms
->volatile_fid
= cfile
->fid
.volatile_fid
;
525 return SMB2_read(xid
, parms
, bytes_read
, buf
, buf_type
);
529 smb2_sync_write(const unsigned int xid
, struct cifsFileInfo
*cfile
,
530 struct cifs_io_parms
*parms
, unsigned int *written
,
531 struct kvec
*iov
, unsigned long nr_segs
)
534 parms
->persistent_fid
= cfile
->fid
.persistent_fid
;
535 parms
->volatile_fid
= cfile
->fid
.volatile_fid
;
536 return SMB2_write(xid
, parms
, written
, iov
, nr_segs
);
540 smb2_set_file_size(const unsigned int xid
, struct cifs_tcon
*tcon
,
541 struct cifsFileInfo
*cfile
, __u64 size
, bool set_alloc
)
543 __le64 eof
= cpu_to_le64(size
);
544 return SMB2_set_eof(xid
, tcon
, cfile
->fid
.persistent_fid
,
545 cfile
->fid
.volatile_fid
, cfile
->pid
, &eof
);
549 smb2_set_compression(const unsigned int xid
, struct cifs_tcon
*tcon
,
550 struct cifsFileInfo
*cfile
)
552 return SMB2_set_compression(xid
, tcon
, cfile
->fid
.persistent_fid
,
553 cfile
->fid
.volatile_fid
);
557 smb2_query_dir_first(const unsigned int xid
, struct cifs_tcon
*tcon
,
558 const char *path
, struct cifs_sb_info
*cifs_sb
,
559 struct cifs_fid
*fid
, __u16 search_flags
,
560 struct cifs_search_info
*srch_inf
)
564 __u8 oplock
= SMB2_OPLOCK_LEVEL_NONE
;
565 struct cifs_open_parms oparms
;
567 utf16_path
= cifs_convert_path_to_utf16(path
, cifs_sb
);
572 oparms
.desired_access
= FILE_READ_ATTRIBUTES
| FILE_READ_DATA
;
573 oparms
.disposition
= FILE_OPEN
;
574 oparms
.create_options
= 0;
576 oparms
.reconnect
= false;
578 rc
= SMB2_open(xid
, &oparms
, utf16_path
, &oplock
, NULL
, NULL
);
581 cifs_dbg(VFS
, "open dir failed\n");
585 srch_inf
->entries_in_buffer
= 0;
586 srch_inf
->index_of_last_entry
= 0;
588 rc
= SMB2_query_directory(xid
, tcon
, fid
->persistent_fid
,
589 fid
->volatile_fid
, 0, srch_inf
);
591 cifs_dbg(VFS
, "query directory failed\n");
592 SMB2_close(xid
, tcon
, fid
->persistent_fid
, fid
->volatile_fid
);
598 smb2_query_dir_next(const unsigned int xid
, struct cifs_tcon
*tcon
,
599 struct cifs_fid
*fid
, __u16 search_flags
,
600 struct cifs_search_info
*srch_inf
)
602 return SMB2_query_directory(xid
, tcon
, fid
->persistent_fid
,
603 fid
->volatile_fid
, 0, srch_inf
);
607 smb2_close_dir(const unsigned int xid
, struct cifs_tcon
*tcon
,
608 struct cifs_fid
*fid
)
610 return SMB2_close(xid
, tcon
, fid
->persistent_fid
, fid
->volatile_fid
);
614 * If we negotiate SMB2 protocol and get STATUS_PENDING - update
615 * the number of credits and return true. Otherwise - return false.
618 smb2_is_status_pending(char *buf
, struct TCP_Server_Info
*server
, int length
)
620 struct smb2_hdr
*hdr
= (struct smb2_hdr
*)buf
;
622 if (hdr
->Status
!= STATUS_PENDING
)
626 spin_lock(&server
->req_lock
);
627 server
->credits
+= le16_to_cpu(hdr
->CreditRequest
);
628 spin_unlock(&server
->req_lock
);
629 wake_up(&server
->request_q
);
636 smb2_oplock_response(struct cifs_tcon
*tcon
, struct cifs_fid
*fid
,
637 struct cifsInodeInfo
*cinode
)
639 if (tcon
->ses
->server
->capabilities
& SMB2_GLOBAL_CAP_LEASING
)
640 return SMB2_lease_break(0, tcon
, cinode
->lease_key
,
641 smb2_get_lease_state(cinode
));
643 return SMB2_oplock_break(0, tcon
, fid
->persistent_fid
,
645 CIFS_CACHE_READ(cinode
) ? 1 : 0);
649 smb2_queryfs(const unsigned int xid
, struct cifs_tcon
*tcon
,
653 __le16 srch_path
= 0; /* Null - open root of share */
654 u8 oplock
= SMB2_OPLOCK_LEVEL_NONE
;
655 struct cifs_open_parms oparms
;
659 oparms
.desired_access
= FILE_READ_ATTRIBUTES
;
660 oparms
.disposition
= FILE_OPEN
;
661 oparms
.create_options
= 0;
663 oparms
.reconnect
= false;
665 rc
= SMB2_open(xid
, &oparms
, &srch_path
, &oplock
, NULL
, NULL
);
668 buf
->f_type
= SMB2_MAGIC_NUMBER
;
669 rc
= SMB2_QFS_info(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
,
671 SMB2_close(xid
, tcon
, fid
.persistent_fid
, fid
.volatile_fid
);
676 smb2_compare_fids(struct cifsFileInfo
*ob1
, struct cifsFileInfo
*ob2
)
678 return ob1
->fid
.persistent_fid
== ob2
->fid
.persistent_fid
&&
679 ob1
->fid
.volatile_fid
== ob2
->fid
.volatile_fid
;
683 smb2_mand_lock(const unsigned int xid
, struct cifsFileInfo
*cfile
, __u64 offset
,
684 __u64 length
, __u32 type
, int lock
, int unlock
, bool wait
)
687 type
= SMB2_LOCKFLAG_UNLOCK
;
688 return SMB2_lock(xid
, tlink_tcon(cfile
->tlink
),
689 cfile
->fid
.persistent_fid
, cfile
->fid
.volatile_fid
,
690 current
->tgid
, length
, offset
, type
, wait
);
694 smb2_get_lease_key(struct inode
*inode
, struct cifs_fid
*fid
)
696 memcpy(fid
->lease_key
, CIFS_I(inode
)->lease_key
, SMB2_LEASE_KEY_SIZE
);
700 smb2_set_lease_key(struct inode
*inode
, struct cifs_fid
*fid
)
702 memcpy(CIFS_I(inode
)->lease_key
, fid
->lease_key
, SMB2_LEASE_KEY_SIZE
);
706 smb2_new_lease_key(struct cifs_fid
*fid
)
708 get_random_bytes(fid
->lease_key
, SMB2_LEASE_KEY_SIZE
);
712 smb2_query_symlink(const unsigned int xid
, struct cifs_tcon
*tcon
,
713 const char *full_path
, char **target_path
,
714 struct cifs_sb_info
*cifs_sb
)
718 __u8 oplock
= SMB2_OPLOCK_LEVEL_NONE
;
719 struct cifs_open_parms oparms
;
721 struct smb2_err_rsp
*err_buf
= NULL
;
722 struct smb2_symlink_err_rsp
*symlink
;
723 unsigned int sub_len
, sub_offset
;
725 cifs_dbg(FYI
, "%s: path: %s\n", __func__
, full_path
);
727 utf16_path
= cifs_convert_path_to_utf16(full_path
, cifs_sb
);
732 oparms
.desired_access
= FILE_READ_ATTRIBUTES
;
733 oparms
.disposition
= FILE_OPEN
;
734 oparms
.create_options
= 0;
736 oparms
.reconnect
= false;
738 rc
= SMB2_open(xid
, &oparms
, utf16_path
, &oplock
, NULL
, &err_buf
);
740 if (!rc
|| !err_buf
) {
744 /* open must fail on symlink - reset rc */
746 symlink
= (struct smb2_symlink_err_rsp
*)err_buf
->ErrorData
;
747 sub_len
= le16_to_cpu(symlink
->SubstituteNameLength
);
748 sub_offset
= le16_to_cpu(symlink
->SubstituteNameOffset
);
749 *target_path
= cifs_strndup_from_utf16(
750 (char *)symlink
->PathBuffer
+ sub_offset
,
751 sub_len
, true, cifs_sb
->local_nls
);
752 if (!(*target_path
)) {
756 convert_delimiter(*target_path
, '/');
757 cifs_dbg(FYI
, "%s: target path: %s\n", __func__
, *target_path
);
763 smb2_set_oplock_level(struct cifsInodeInfo
*cinode
, __u32 oplock
,
764 unsigned int epoch
, bool *purge_cache
)
767 if (oplock
== SMB2_OPLOCK_LEVEL_NOCHANGE
)
769 if (oplock
== SMB2_OPLOCK_LEVEL_BATCH
) {
770 cinode
->oplock
= CIFS_CACHE_RHW_FLG
;
771 cifs_dbg(FYI
, "Batch Oplock granted on inode %p\n",
773 } else if (oplock
== SMB2_OPLOCK_LEVEL_EXCLUSIVE
) {
774 cinode
->oplock
= CIFS_CACHE_RW_FLG
;
775 cifs_dbg(FYI
, "Exclusive Oplock granted on inode %p\n",
777 } else if (oplock
== SMB2_OPLOCK_LEVEL_II
) {
778 cinode
->oplock
= CIFS_CACHE_READ_FLG
;
779 cifs_dbg(FYI
, "Level II Oplock granted on inode %p\n",
786 smb21_set_oplock_level(struct cifsInodeInfo
*cinode
, __u32 oplock
,
787 unsigned int epoch
, bool *purge_cache
)
789 char message
[5] = {0};
792 if (oplock
== SMB2_OPLOCK_LEVEL_NOCHANGE
)
796 if (oplock
& SMB2_LEASE_READ_CACHING_HE
) {
797 cinode
->oplock
|= CIFS_CACHE_READ_FLG
;
798 strcat(message
, "R");
800 if (oplock
& SMB2_LEASE_HANDLE_CACHING_HE
) {
801 cinode
->oplock
|= CIFS_CACHE_HANDLE_FLG
;
802 strcat(message
, "H");
804 if (oplock
& SMB2_LEASE_WRITE_CACHING_HE
) {
805 cinode
->oplock
|= CIFS_CACHE_WRITE_FLG
;
806 strcat(message
, "W");
809 strcat(message
, "None");
810 cifs_dbg(FYI
, "%s Lease granted on inode %p\n", message
,
815 smb3_set_oplock_level(struct cifsInodeInfo
*cinode
, __u32 oplock
,
816 unsigned int epoch
, bool *purge_cache
)
818 unsigned int old_oplock
= cinode
->oplock
;
820 smb21_set_oplock_level(cinode
, oplock
, epoch
, purge_cache
);
823 *purge_cache
= false;
824 if (old_oplock
== CIFS_CACHE_READ_FLG
) {
825 if (cinode
->oplock
== CIFS_CACHE_READ_FLG
&&
826 (epoch
- cinode
->epoch
> 0))
828 else if (cinode
->oplock
== CIFS_CACHE_RH_FLG
&&
829 (epoch
- cinode
->epoch
> 1))
831 else if (cinode
->oplock
== CIFS_CACHE_RHW_FLG
&&
832 (epoch
- cinode
->epoch
> 1))
834 else if (cinode
->oplock
== 0 &&
835 (epoch
- cinode
->epoch
> 0))
837 } else if (old_oplock
== CIFS_CACHE_RH_FLG
) {
838 if (cinode
->oplock
== CIFS_CACHE_RH_FLG
&&
839 (epoch
- cinode
->epoch
> 0))
841 else if (cinode
->oplock
== CIFS_CACHE_RHW_FLG
&&
842 (epoch
- cinode
->epoch
> 1))
845 cinode
->epoch
= epoch
;
850 smb2_is_read_op(__u32 oplock
)
852 return oplock
== SMB2_OPLOCK_LEVEL_II
;
856 smb21_is_read_op(__u32 oplock
)
858 return (oplock
& SMB2_LEASE_READ_CACHING_HE
) &&
859 !(oplock
& SMB2_LEASE_WRITE_CACHING_HE
);
863 map_oplock_to_lease(u8 oplock
)
865 if (oplock
== SMB2_OPLOCK_LEVEL_EXCLUSIVE
)
866 return SMB2_LEASE_WRITE_CACHING
| SMB2_LEASE_READ_CACHING
;
867 else if (oplock
== SMB2_OPLOCK_LEVEL_II
)
868 return SMB2_LEASE_READ_CACHING
;
869 else if (oplock
== SMB2_OPLOCK_LEVEL_BATCH
)
870 return SMB2_LEASE_HANDLE_CACHING
| SMB2_LEASE_READ_CACHING
|
871 SMB2_LEASE_WRITE_CACHING
;
876 smb2_create_lease_buf(u8
*lease_key
, u8 oplock
)
878 struct create_lease
*buf
;
880 buf
= kzalloc(sizeof(struct create_lease
), GFP_KERNEL
);
884 buf
->lcontext
.LeaseKeyLow
= cpu_to_le64(*((u64
*)lease_key
));
885 buf
->lcontext
.LeaseKeyHigh
= cpu_to_le64(*((u64
*)(lease_key
+ 8)));
886 buf
->lcontext
.LeaseState
= map_oplock_to_lease(oplock
);
888 buf
->ccontext
.DataOffset
= cpu_to_le16(offsetof
889 (struct create_lease
, lcontext
));
890 buf
->ccontext
.DataLength
= cpu_to_le32(sizeof(struct lease_context
));
891 buf
->ccontext
.NameOffset
= cpu_to_le16(offsetof
892 (struct create_lease
, Name
));
893 buf
->ccontext
.NameLength
= cpu_to_le16(4);
902 smb3_create_lease_buf(u8
*lease_key
, u8 oplock
)
904 struct create_lease_v2
*buf
;
906 buf
= kzalloc(sizeof(struct create_lease_v2
), GFP_KERNEL
);
910 buf
->lcontext
.LeaseKeyLow
= cpu_to_le64(*((u64
*)lease_key
));
911 buf
->lcontext
.LeaseKeyHigh
= cpu_to_le64(*((u64
*)(lease_key
+ 8)));
912 buf
->lcontext
.LeaseState
= map_oplock_to_lease(oplock
);
914 buf
->ccontext
.DataOffset
= cpu_to_le16(offsetof
915 (struct create_lease_v2
, lcontext
));
916 buf
->ccontext
.DataLength
= cpu_to_le32(sizeof(struct lease_context_v2
));
917 buf
->ccontext
.NameOffset
= cpu_to_le16(offsetof
918 (struct create_lease_v2
, Name
));
919 buf
->ccontext
.NameLength
= cpu_to_le16(4);
928 smb2_parse_lease_buf(void *buf
, unsigned int *epoch
)
930 struct create_lease
*lc
= (struct create_lease
*)buf
;
932 *epoch
= 0; /* not used */
933 if (lc
->lcontext
.LeaseFlags
& SMB2_LEASE_FLAG_BREAK_IN_PROGRESS
)
934 return SMB2_OPLOCK_LEVEL_NOCHANGE
;
935 return le32_to_cpu(lc
->lcontext
.LeaseState
);
939 smb3_parse_lease_buf(void *buf
, unsigned int *epoch
)
941 struct create_lease_v2
*lc
= (struct create_lease_v2
*)buf
;
943 *epoch
= le16_to_cpu(lc
->lcontext
.Epoch
);
944 if (lc
->lcontext
.LeaseFlags
& SMB2_LEASE_FLAG_BREAK_IN_PROGRESS
)
945 return SMB2_OPLOCK_LEVEL_NOCHANGE
;
946 return le32_to_cpu(lc
->lcontext
.LeaseState
);
949 struct smb_version_operations smb20_operations
= {
950 .compare_fids
= smb2_compare_fids
,
951 .setup_request
= smb2_setup_request
,
952 .setup_async_request
= smb2_setup_async_request
,
953 .check_receive
= smb2_check_receive
,
954 .add_credits
= smb2_add_credits
,
955 .set_credits
= smb2_set_credits
,
956 .get_credits_field
= smb2_get_credits_field
,
957 .get_credits
= smb2_get_credits
,
958 .get_next_mid
= smb2_get_next_mid
,
959 .read_data_offset
= smb2_read_data_offset
,
960 .read_data_length
= smb2_read_data_length
,
961 .map_error
= map_smb2_to_linux_error
,
962 .find_mid
= smb2_find_mid
,
963 .check_message
= smb2_check_message
,
964 .dump_detail
= smb2_dump_detail
,
965 .clear_stats
= smb2_clear_stats
,
966 .print_stats
= smb2_print_stats
,
967 .is_oplock_break
= smb2_is_valid_oplock_break
,
968 .need_neg
= smb2_need_neg
,
969 .negotiate
= smb2_negotiate
,
970 .negotiate_wsize
= smb2_negotiate_wsize
,
971 .negotiate_rsize
= smb2_negotiate_rsize
,
972 .sess_setup
= SMB2_sess_setup
,
973 .logoff
= SMB2_logoff
,
974 .tree_connect
= SMB2_tcon
,
975 .tree_disconnect
= SMB2_tdis
,
976 .qfs_tcon
= smb2_qfs_tcon
,
977 .is_path_accessible
= smb2_is_path_accessible
,
978 .can_echo
= smb2_can_echo
,
980 .query_path_info
= smb2_query_path_info
,
981 .get_srv_inum
= smb2_get_srv_inum
,
982 .query_file_info
= smb2_query_file_info
,
983 .set_path_size
= smb2_set_path_size
,
984 .set_file_size
= smb2_set_file_size
,
985 .set_file_info
= smb2_set_file_info
,
986 .set_compression
= smb2_set_compression
,
988 .mkdir_setinfo
= smb2_mkdir_setinfo
,
990 .unlink
= smb2_unlink
,
991 .rename
= smb2_rename_path
,
992 .create_hardlink
= smb2_create_hardlink
,
993 .query_symlink
= smb2_query_symlink
,
994 .open
= smb2_open_file
,
995 .set_fid
= smb2_set_fid
,
996 .close
= smb2_close_file
,
997 .flush
= smb2_flush_file
,
998 .async_readv
= smb2_async_readv
,
999 .async_writev
= smb2_async_writev
,
1000 .sync_read
= smb2_sync_read
,
1001 .sync_write
= smb2_sync_write
,
1002 .query_dir_first
= smb2_query_dir_first
,
1003 .query_dir_next
= smb2_query_dir_next
,
1004 .close_dir
= smb2_close_dir
,
1005 .calc_smb_size
= smb2_calc_size
,
1006 .is_status_pending
= smb2_is_status_pending
,
1007 .oplock_response
= smb2_oplock_response
,
1008 .queryfs
= smb2_queryfs
,
1009 .mand_lock
= smb2_mand_lock
,
1010 .mand_unlock_range
= smb2_unlock_range
,
1011 .push_mand_locks
= smb2_push_mandatory_locks
,
1012 .get_lease_key
= smb2_get_lease_key
,
1013 .set_lease_key
= smb2_set_lease_key
,
1014 .new_lease_key
= smb2_new_lease_key
,
1015 .calc_signature
= smb2_calc_signature
,
1016 .is_read_op
= smb2_is_read_op
,
1017 .set_oplock_level
= smb2_set_oplock_level
,
1018 .create_lease_buf
= smb2_create_lease_buf
,
1019 .parse_lease_buf
= smb2_parse_lease_buf
,
1022 struct smb_version_operations smb21_operations
= {
1023 .compare_fids
= smb2_compare_fids
,
1024 .setup_request
= smb2_setup_request
,
1025 .setup_async_request
= smb2_setup_async_request
,
1026 .check_receive
= smb2_check_receive
,
1027 .add_credits
= smb2_add_credits
,
1028 .set_credits
= smb2_set_credits
,
1029 .get_credits_field
= smb2_get_credits_field
,
1030 .get_credits
= smb2_get_credits
,
1031 .get_next_mid
= smb2_get_next_mid
,
1032 .read_data_offset
= smb2_read_data_offset
,
1033 .read_data_length
= smb2_read_data_length
,
1034 .map_error
= map_smb2_to_linux_error
,
1035 .find_mid
= smb2_find_mid
,
1036 .check_message
= smb2_check_message
,
1037 .dump_detail
= smb2_dump_detail
,
1038 .clear_stats
= smb2_clear_stats
,
1039 .print_stats
= smb2_print_stats
,
1040 .is_oplock_break
= smb2_is_valid_oplock_break
,
1041 .need_neg
= smb2_need_neg
,
1042 .negotiate
= smb2_negotiate
,
1043 .negotiate_wsize
= smb2_negotiate_wsize
,
1044 .negotiate_rsize
= smb2_negotiate_rsize
,
1045 .sess_setup
= SMB2_sess_setup
,
1046 .logoff
= SMB2_logoff
,
1047 .tree_connect
= SMB2_tcon
,
1048 .tree_disconnect
= SMB2_tdis
,
1049 .qfs_tcon
= smb2_qfs_tcon
,
1050 .is_path_accessible
= smb2_is_path_accessible
,
1051 .can_echo
= smb2_can_echo
,
1053 .query_path_info
= smb2_query_path_info
,
1054 .get_srv_inum
= smb2_get_srv_inum
,
1055 .query_file_info
= smb2_query_file_info
,
1056 .set_path_size
= smb2_set_path_size
,
1057 .set_file_size
= smb2_set_file_size
,
1058 .set_file_info
= smb2_set_file_info
,
1059 .set_compression
= smb2_set_compression
,
1060 .mkdir
= smb2_mkdir
,
1061 .mkdir_setinfo
= smb2_mkdir_setinfo
,
1062 .rmdir
= smb2_rmdir
,
1063 .unlink
= smb2_unlink
,
1064 .rename
= smb2_rename_path
,
1065 .create_hardlink
= smb2_create_hardlink
,
1066 .query_symlink
= smb2_query_symlink
,
1067 .open
= smb2_open_file
,
1068 .set_fid
= smb2_set_fid
,
1069 .close
= smb2_close_file
,
1070 .flush
= smb2_flush_file
,
1071 .async_readv
= smb2_async_readv
,
1072 .async_writev
= smb2_async_writev
,
1073 .sync_read
= smb2_sync_read
,
1074 .sync_write
= smb2_sync_write
,
1075 .query_dir_first
= smb2_query_dir_first
,
1076 .query_dir_next
= smb2_query_dir_next
,
1077 .close_dir
= smb2_close_dir
,
1078 .calc_smb_size
= smb2_calc_size
,
1079 .is_status_pending
= smb2_is_status_pending
,
1080 .oplock_response
= smb2_oplock_response
,
1081 .queryfs
= smb2_queryfs
,
1082 .mand_lock
= smb2_mand_lock
,
1083 .mand_unlock_range
= smb2_unlock_range
,
1084 .push_mand_locks
= smb2_push_mandatory_locks
,
1085 .get_lease_key
= smb2_get_lease_key
,
1086 .set_lease_key
= smb2_set_lease_key
,
1087 .new_lease_key
= smb2_new_lease_key
,
1088 .calc_signature
= smb2_calc_signature
,
1089 .is_read_op
= smb21_is_read_op
,
1090 .set_oplock_level
= smb21_set_oplock_level
,
1091 .create_lease_buf
= smb2_create_lease_buf
,
1092 .parse_lease_buf
= smb2_parse_lease_buf
,
1095 struct smb_version_operations smb30_operations
= {
1096 .compare_fids
= smb2_compare_fids
,
1097 .setup_request
= smb2_setup_request
,
1098 .setup_async_request
= smb2_setup_async_request
,
1099 .check_receive
= smb2_check_receive
,
1100 .add_credits
= smb2_add_credits
,
1101 .set_credits
= smb2_set_credits
,
1102 .get_credits_field
= smb2_get_credits_field
,
1103 .get_credits
= smb2_get_credits
,
1104 .get_next_mid
= smb2_get_next_mid
,
1105 .read_data_offset
= smb2_read_data_offset
,
1106 .read_data_length
= smb2_read_data_length
,
1107 .map_error
= map_smb2_to_linux_error
,
1108 .find_mid
= smb2_find_mid
,
1109 .check_message
= smb2_check_message
,
1110 .dump_detail
= smb2_dump_detail
,
1111 .clear_stats
= smb2_clear_stats
,
1112 .print_stats
= smb2_print_stats
,
1113 .dump_share_caps
= smb2_dump_share_caps
,
1114 .is_oplock_break
= smb2_is_valid_oplock_break
,
1115 .need_neg
= smb2_need_neg
,
1116 .negotiate
= smb2_negotiate
,
1117 .negotiate_wsize
= smb2_negotiate_wsize
,
1118 .negotiate_rsize
= smb2_negotiate_rsize
,
1119 .sess_setup
= SMB2_sess_setup
,
1120 .logoff
= SMB2_logoff
,
1121 .tree_connect
= SMB2_tcon
,
1122 .tree_disconnect
= SMB2_tdis
,
1123 .qfs_tcon
= smb3_qfs_tcon
,
1124 .is_path_accessible
= smb2_is_path_accessible
,
1125 .can_echo
= smb2_can_echo
,
1127 .query_path_info
= smb2_query_path_info
,
1128 .get_srv_inum
= smb2_get_srv_inum
,
1129 .query_file_info
= smb2_query_file_info
,
1130 .set_path_size
= smb2_set_path_size
,
1131 .set_file_size
= smb2_set_file_size
,
1132 .set_file_info
= smb2_set_file_info
,
1133 .set_compression
= smb2_set_compression
,
1134 .mkdir
= smb2_mkdir
,
1135 .mkdir_setinfo
= smb2_mkdir_setinfo
,
1136 .rmdir
= smb2_rmdir
,
1137 .unlink
= smb2_unlink
,
1138 .rename
= smb2_rename_path
,
1139 .create_hardlink
= smb2_create_hardlink
,
1140 .query_symlink
= smb2_query_symlink
,
1141 .open
= smb2_open_file
,
1142 .set_fid
= smb2_set_fid
,
1143 .close
= smb2_close_file
,
1144 .flush
= smb2_flush_file
,
1145 .async_readv
= smb2_async_readv
,
1146 .async_writev
= smb2_async_writev
,
1147 .sync_read
= smb2_sync_read
,
1148 .sync_write
= smb2_sync_write
,
1149 .query_dir_first
= smb2_query_dir_first
,
1150 .query_dir_next
= smb2_query_dir_next
,
1151 .close_dir
= smb2_close_dir
,
1152 .calc_smb_size
= smb2_calc_size
,
1153 .is_status_pending
= smb2_is_status_pending
,
1154 .oplock_response
= smb2_oplock_response
,
1155 .queryfs
= smb2_queryfs
,
1156 .mand_lock
= smb2_mand_lock
,
1157 .mand_unlock_range
= smb2_unlock_range
,
1158 .push_mand_locks
= smb2_push_mandatory_locks
,
1159 .get_lease_key
= smb2_get_lease_key
,
1160 .set_lease_key
= smb2_set_lease_key
,
1161 .new_lease_key
= smb2_new_lease_key
,
1162 .generate_signingkey
= generate_smb3signingkey
,
1163 .calc_signature
= smb3_calc_signature
,
1164 .is_read_op
= smb21_is_read_op
,
1165 .set_oplock_level
= smb3_set_oplock_level
,
1166 .create_lease_buf
= smb3_create_lease_buf
,
1167 .parse_lease_buf
= smb3_parse_lease_buf
,
1170 struct smb_version_values smb20_values
= {
1171 .version_string
= SMB20_VERSION_STRING
,
1172 .protocol_id
= SMB20_PROT_ID
,
1173 .req_capabilities
= 0, /* MBZ */
1174 .large_lock_type
= 0,
1175 .exclusive_lock_type
= SMB2_LOCKFLAG_EXCLUSIVE_LOCK
,
1176 .shared_lock_type
= SMB2_LOCKFLAG_SHARED_LOCK
,
1177 .unlock_lock_type
= SMB2_LOCKFLAG_UNLOCK
,
1178 .header_size
= sizeof(struct smb2_hdr
),
1179 .max_header_size
= MAX_SMB2_HDR_SIZE
,
1180 .read_rsp_size
= sizeof(struct smb2_read_rsp
) - 1,
1181 .lock_cmd
= SMB2_LOCK
,
1183 .cap_nt_find
= SMB2_NT_FIND
,
1184 .cap_large_files
= SMB2_LARGE_FILES
,
1185 .signing_enabled
= SMB2_NEGOTIATE_SIGNING_ENABLED
| SMB2_NEGOTIATE_SIGNING_REQUIRED
,
1186 .signing_required
= SMB2_NEGOTIATE_SIGNING_REQUIRED
,
1187 .create_lease_size
= sizeof(struct create_lease
),
1190 struct smb_version_values smb21_values
= {
1191 .version_string
= SMB21_VERSION_STRING
,
1192 .protocol_id
= SMB21_PROT_ID
,
1193 .req_capabilities
= 0, /* MBZ on negotiate req until SMB3 dialect */
1194 .large_lock_type
= 0,
1195 .exclusive_lock_type
= SMB2_LOCKFLAG_EXCLUSIVE_LOCK
,
1196 .shared_lock_type
= SMB2_LOCKFLAG_SHARED_LOCK
,
1197 .unlock_lock_type
= SMB2_LOCKFLAG_UNLOCK
,
1198 .header_size
= sizeof(struct smb2_hdr
),
1199 .max_header_size
= MAX_SMB2_HDR_SIZE
,
1200 .read_rsp_size
= sizeof(struct smb2_read_rsp
) - 1,
1201 .lock_cmd
= SMB2_LOCK
,
1203 .cap_nt_find
= SMB2_NT_FIND
,
1204 .cap_large_files
= SMB2_LARGE_FILES
,
1205 .signing_enabled
= SMB2_NEGOTIATE_SIGNING_ENABLED
| SMB2_NEGOTIATE_SIGNING_REQUIRED
,
1206 .signing_required
= SMB2_NEGOTIATE_SIGNING_REQUIRED
,
1207 .create_lease_size
= sizeof(struct create_lease
),
1210 struct smb_version_values smb30_values
= {
1211 .version_string
= SMB30_VERSION_STRING
,
1212 .protocol_id
= SMB30_PROT_ID
,
1213 .req_capabilities
= SMB2_GLOBAL_CAP_DFS
| SMB2_GLOBAL_CAP_LEASING
| SMB2_GLOBAL_CAP_LARGE_MTU
,
1214 .large_lock_type
= 0,
1215 .exclusive_lock_type
= SMB2_LOCKFLAG_EXCLUSIVE_LOCK
,
1216 .shared_lock_type
= SMB2_LOCKFLAG_SHARED_LOCK
,
1217 .unlock_lock_type
= SMB2_LOCKFLAG_UNLOCK
,
1218 .header_size
= sizeof(struct smb2_hdr
),
1219 .max_header_size
= MAX_SMB2_HDR_SIZE
,
1220 .read_rsp_size
= sizeof(struct smb2_read_rsp
) - 1,
1221 .lock_cmd
= SMB2_LOCK
,
1223 .cap_nt_find
= SMB2_NT_FIND
,
1224 .cap_large_files
= SMB2_LARGE_FILES
,
1225 .signing_enabled
= SMB2_NEGOTIATE_SIGNING_ENABLED
| SMB2_NEGOTIATE_SIGNING_REQUIRED
,
1226 .signing_required
= SMB2_NEGOTIATE_SIGNING_REQUIRED
,
1227 .create_lease_size
= sizeof(struct create_lease_v2
),
1230 struct smb_version_values smb302_values
= {
1231 .version_string
= SMB302_VERSION_STRING
,
1232 .protocol_id
= SMB302_PROT_ID
,
1233 .req_capabilities
= SMB2_GLOBAL_CAP_DFS
| SMB2_GLOBAL_CAP_LEASING
| SMB2_GLOBAL_CAP_LARGE_MTU
,
1234 .large_lock_type
= 0,
1235 .exclusive_lock_type
= SMB2_LOCKFLAG_EXCLUSIVE_LOCK
,
1236 .shared_lock_type
= SMB2_LOCKFLAG_SHARED_LOCK
,
1237 .unlock_lock_type
= SMB2_LOCKFLAG_UNLOCK
,
1238 .header_size
= sizeof(struct smb2_hdr
),
1239 .max_header_size
= MAX_SMB2_HDR_SIZE
,
1240 .read_rsp_size
= sizeof(struct smb2_read_rsp
) - 1,
1241 .lock_cmd
= SMB2_LOCK
,
1243 .cap_nt_find
= SMB2_NT_FIND
,
1244 .cap_large_files
= SMB2_LARGE_FILES
,
1245 .signing_enabled
= SMB2_NEGOTIATE_SIGNING_ENABLED
| SMB2_NEGOTIATE_SIGNING_REQUIRED
,
1246 .signing_required
= SMB2_NEGOTIATE_SIGNING_REQUIRED
,
1247 .create_lease_size
= sizeof(struct create_lease_v2
),