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Merge tag 'v3.10.55' into update
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / cifs / smb2ops.c
CommitLineData
1080ef75
SF		 1/*
2 * SMB2 version specific operations
3 *
4 * Copyright (c) 2012, Jeff Layton <jlayton@redhat.com>
5 *
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.
9 *
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.
14 *
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
18 */
19
3a3bab50 20#include <linux/pagemap.h>
6fc05c25 21#include <linux/vfs.h>
1080ef75 22#include "cifsglob.h"
2dc7e1c0
PS		 23#include "smb2pdu.h"
24#include "smb2proto.h"
28ea5290
PS		 25#include "cifsproto.h"
26#include "cifs_debug.h"
2e44b288 27#include "smb2status.h"
6fc05c25 28#include "smb2glob.h"
28ea5290
PS		 29
30static int
31change_conf(struct TCP_Server_Info *server)
32{
33 server->credits += server->echo_credits + server->oplock_credits;
34 server->oplock_credits = server->echo_credits = 0;
35 switch (server->credits) {
36 case 0:
37 return -1;
38 case 1:
39 server->echoes = false;
40 server->oplocks = false;
f96637be 41 cifs_dbg(VFS, "disabling echoes and oplocks\n");
28ea5290
PS		 42 break;
43 case 2:
44 server->echoes = true;
45 server->oplocks = false;
46 server->echo_credits = 1;
f96637be 47 cifs_dbg(FYI, "disabling oplocks\n");
28ea5290
PS		 48 break;
49 default:
50 server->echoes = true;
51 server->oplocks = true;
52 server->echo_credits = 1;
53 server->oplock_credits = 1;
54 }
55 server->credits -= server->echo_credits + server->oplock_credits;
56 return 0;
57}
58
59static void
60smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add,
61 const int optype)
62{
63 int *val, rc = 0;
64 spin_lock(&server->req_lock);
65 val = server->ops->get_credits_field(server, optype);
66 *val += add;
67 server->in_flight--;
ec2e4523 68 if (server->in_flight == 0 && (optype & CIFS_OP_MASK) != CIFS_NEG_OP)
28ea5290 69 rc = change_conf(server);
983c88a4
PS		 70 /*
71 * Sometimes server returns 0 credits on oplock break ack - we need to
72 * rebalance credits in this case.
73 */
74 else if (server->in_flight > 0 && server->oplock_credits == 0 &&
75 server->oplocks) {
76 if (server->credits > 1) {
77 server->credits--;
78 server->oplock_credits++;
79 }
80 }
28ea5290
PS		 81 spin_unlock(&server->req_lock);
82 wake_up(&server->request_q);
83 if (rc)
84 cifs_reconnect(server);
85}
86
87static void
88smb2_set_credits(struct TCP_Server_Info *server, const int val)
89{
90 spin_lock(&server->req_lock);
91 server->credits = val;
92 spin_unlock(&server->req_lock);
93}
94
95static int *
96smb2_get_credits_field(struct TCP_Server_Info *server, const int optype)
97{
98 switch (optype) {
99 case CIFS_ECHO_OP:
100 return &server->echo_credits;
101 case CIFS_OBREAK_OP:
102 return &server->oplock_credits;
103 default:
104 return &server->credits;
105 }
106}
107
108static unsigned int
109smb2_get_credits(struct mid_q_entry *mid)
110{
111 return le16_to_cpu(((struct smb2_hdr *)mid->resp_buf)->CreditRequest);
112}
2dc7e1c0
PS		 113
114static __u64
115smb2_get_next_mid(struct TCP_Server_Info *server)
116{
117 __u64 mid;
118 /* for SMB2 we need the current value */
119 spin_lock(&GlobalMid_Lock);
120 mid = server->CurrentMid++;
121 spin_unlock(&GlobalMid_Lock);
122 return mid;
123}
1080ef75 124
093b2bda
PS		 125static struct mid_q_entry *
126smb2_find_mid(struct TCP_Server_Info *server, char *buf)
127{
128 struct mid_q_entry *mid;
129 struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
130
131 spin_lock(&GlobalMid_Lock);
132 list_for_each_entry(mid, &server->pending_mid_q, qhead) {
133 if ((mid->mid == hdr->MessageId) &&
134 (mid->mid_state == MID_REQUEST_SUBMITTED) &&
135 (mid->command == hdr->Command)) {
136 spin_unlock(&GlobalMid_Lock);
137 return mid;
138 }
139 }
140 spin_unlock(&GlobalMid_Lock);
141 return NULL;
142}
143
144static void
145smb2_dump_detail(void *buf)
146{
147#ifdef CONFIG_CIFS_DEBUG2
148 struct smb2_hdr *smb = (struct smb2_hdr *)buf;
149
f96637be
JP		 150 cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n",
151 smb->Command, smb->Status, smb->Flags, smb->MessageId,
152 smb->ProcessId);
153 cifs_dbg(VFS, "smb buf %p len %u\n", smb, smb2_calc_size(smb));
093b2bda
PS		 154#endif
155}
156
ec2e4523
PS		 157static bool
158smb2_need_neg(struct TCP_Server_Info *server)
159{
160 return server->max_read == 0;
161}
162
163static int
164smb2_negotiate(const unsigned int xid, struct cifs_ses *ses)
165{
166 int rc;
167 ses->server->CurrentMid = 0;
168 rc = SMB2_negotiate(xid, ses);
169 /* BB we probably don't need to retry with modern servers */
170 if (rc == -EAGAIN)
171 rc = -EHOSTDOWN;
172 return rc;
173}
174
3a3bab50
PS		 175static unsigned int
176smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
177{
178 struct TCP_Server_Info *server = tcon->ses->server;
179 unsigned int wsize;
180
181 /* start with specified wsize, or default */
182 wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE;
183 wsize = min_t(unsigned int, wsize, server->max_write);
32c36d88
PS		 184 /* set it to the maximum buffer size value we can send with 1 credit */
185 wsize = min_t(unsigned int, wsize, SMB2_MAX_BUFFER_SIZE);
3a3bab50 186
3a3bab50
PS		 187 return wsize;
188}
189
190static unsigned int
191smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
192{
193 struct TCP_Server_Info *server = tcon->ses->server;
194 unsigned int rsize;
195
196 /* start with specified rsize, or default */
197 rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE;
198 rsize = min_t(unsigned int, rsize, server->max_read);
32c36d88
PS		 199 /* set it to the maximum buffer size value we can send with 1 credit */
200 rsize = min_t(unsigned int, rsize, SMB2_MAX_BUFFER_SIZE);
3a3bab50 201
3a3bab50
PS		 202 return rsize;
203}
204
2503a0db
PS		 205static int
206smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon,
207 struct cifs_sb_info *cifs_sb, const char *full_path)
208{
209 int rc;
210 __u64 persistent_fid, volatile_fid;
211 __le16 *utf16_path;
2e44b288 212 __u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
2503a0db
PS		 213
214 utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb);
215 if (!utf16_path)
216 return -ENOMEM;
217
218 rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid,
2e44b288 219 FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0, &oplock, NULL);
2503a0db
PS		 220 if (rc) {
221 kfree(utf16_path);
222 return rc;
223 }
224
225 rc = SMB2_close(xid, tcon, persistent_fid, volatile_fid);
226 kfree(utf16_path);
227 return rc;
228}
229
be4cb9e3
PS		 230static int
231smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon,
232 struct cifs_sb_info *cifs_sb, const char *full_path,
233 u64 *uniqueid, FILE_ALL_INFO *data)
234{
235 *uniqueid = le64_to_cpu(data->IndexNumber);
236 return 0;
237}
238
b7546bc5
PS		 239static int
240smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon,
241 struct cifs_fid *fid, FILE_ALL_INFO *data)
242{
243 int rc;
244 struct smb2_file_all_info *smb2_data;
245
0c17ceb6 246 smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2,
b7546bc5
PS		 247 GFP_KERNEL);
248 if (smb2_data == NULL)
249 return -ENOMEM;
250
251 rc = SMB2_query_info(xid, tcon, fid->persistent_fid, fid->volatile_fid,
252 smb2_data);
253 if (!rc)
254 move_smb2_info_to_cifs(data, smb2_data);
255 kfree(smb2_data);
256 return rc;
257}
258
9094fad1
PS		 259static bool
260smb2_can_echo(struct TCP_Server_Info *server)
261{
262 return server->echoes;
263}
264
d60622eb
PS		 265static void
266smb2_clear_stats(struct cifs_tcon *tcon)
267{
268#ifdef CONFIG_CIFS_STATS
269 int i;
270 for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) {
271 atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0);
272 atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0);
273 }
274#endif
275}
276
277static void
278smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
279{
280#ifdef CONFIG_CIFS_STATS
281 atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent;
282 atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed;
283 seq_printf(m, "\nNegotiates: %d sent %d failed",
284 atomic_read(&sent[SMB2_NEGOTIATE_HE]),
285 atomic_read(&failed[SMB2_NEGOTIATE_HE]));
286 seq_printf(m, "\nSessionSetups: %d sent %d failed",
287 atomic_read(&sent[SMB2_SESSION_SETUP_HE]),
288 atomic_read(&failed[SMB2_SESSION_SETUP_HE]));
289#define SMB2LOGOFF 0x0002 /* trivial request/resp */
290 seq_printf(m, "\nLogoffs: %d sent %d failed",
291 atomic_read(&sent[SMB2_LOGOFF_HE]),
292 atomic_read(&failed[SMB2_LOGOFF_HE]));
293 seq_printf(m, "\nTreeConnects: %d sent %d failed",
294 atomic_read(&sent[SMB2_TREE_CONNECT_HE]),
295 atomic_read(&failed[SMB2_TREE_CONNECT_HE]));
296 seq_printf(m, "\nTreeDisconnects: %d sent %d failed",
297 atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]),
298 atomic_read(&failed[SMB2_TREE_DISCONNECT_HE]));
299 seq_printf(m, "\nCreates: %d sent %d failed",
300 atomic_read(&sent[SMB2_CREATE_HE]),
301 atomic_read(&failed[SMB2_CREATE_HE]));
302 seq_printf(m, "\nCloses: %d sent %d failed",
303 atomic_read(&sent[SMB2_CLOSE_HE]),
304 atomic_read(&failed[SMB2_CLOSE_HE]));
305 seq_printf(m, "\nFlushes: %d sent %d failed",
306 atomic_read(&sent[SMB2_FLUSH_HE]),
307 atomic_read(&failed[SMB2_FLUSH_HE]));
308 seq_printf(m, "\nReads: %d sent %d failed",
309 atomic_read(&sent[SMB2_READ_HE]),
310 atomic_read(&failed[SMB2_READ_HE]));
311 seq_printf(m, "\nWrites: %d sent %d failed",
312 atomic_read(&sent[SMB2_WRITE_HE]),
313 atomic_read(&failed[SMB2_WRITE_HE]));
314 seq_printf(m, "\nLocks: %d sent %d failed",
315 atomic_read(&sent[SMB2_LOCK_HE]),
316 atomic_read(&failed[SMB2_LOCK_HE]));
317 seq_printf(m, "\nIOCTLs: %d sent %d failed",
318 atomic_read(&sent[SMB2_IOCTL_HE]),
319 atomic_read(&failed[SMB2_IOCTL_HE]));
320 seq_printf(m, "\nCancels: %d sent %d failed",
321 atomic_read(&sent[SMB2_CANCEL_HE]),
322 atomic_read(&failed[SMB2_CANCEL_HE]));
323 seq_printf(m, "\nEchos: %d sent %d failed",
324 atomic_read(&sent[SMB2_ECHO_HE]),
325 atomic_read(&failed[SMB2_ECHO_HE]));
326 seq_printf(m, "\nQueryDirectories: %d sent %d failed",
327 atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]),
328 atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE]));
329 seq_printf(m, "\nChangeNotifies: %d sent %d failed",
330 atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]),
331 atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE]));
332 seq_printf(m, "\nQueryInfos: %d sent %d failed",
333 atomic_read(&sent[SMB2_QUERY_INFO_HE]),
334 atomic_read(&failed[SMB2_QUERY_INFO_HE]));
335 seq_printf(m, "\nSetInfos: %d sent %d failed",
336 atomic_read(&sent[SMB2_SET_INFO_HE]),
337 atomic_read(&failed[SMB2_SET_INFO_HE]));
338 seq_printf(m, "\nOplockBreaks: %d sent %d failed",
339 atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]),
340 atomic_read(&failed[SMB2_OPLOCK_BREAK_HE]));
341#endif
342}
343
f0df737e
PS		 344static void
345smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock)
346{
2e44b288 347 struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode);
f0df737e
PS		 348 cfile->fid.persistent_fid = fid->persistent_fid;
349 cfile->fid.volatile_fid = fid->volatile_fid;
2e44b288 350 smb2_set_oplock_level(cinode, oplock);
b140799a 351 cinode->can_cache_brlcks = cinode->clientCanCacheAll;
f0df737e
PS		 352}
353
760ad0ca 354static void
f0df737e
PS		 355smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon,
356 struct cifs_fid *fid)
357{
760ad0ca 358 SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
f0df737e
PS		 359}
360
7a5cfb19
PS		 361static int
362smb2_flush_file(const unsigned int xid, struct cifs_tcon *tcon,
363 struct cifs_fid *fid)
364{
365 return SMB2_flush(xid, tcon, fid->persistent_fid, fid->volatile_fid);
366}
367
09a4707e
PS		 368static unsigned int
369smb2_read_data_offset(char *buf)
370{
371 struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf;
372 return rsp->DataOffset;
373}
374
375static unsigned int
376smb2_read_data_length(char *buf)
377{
378 struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf;
379 return le32_to_cpu(rsp->DataLength);
380}
381
d8e05039
PS		 382
383static int
384smb2_sync_read(const unsigned int xid, struct cifsFileInfo *cfile,
385 struct cifs_io_parms *parms, unsigned int *bytes_read,
386 char **buf, int *buf_type)
387{
388 parms->persistent_fid = cfile->fid.persistent_fid;
389 parms->volatile_fid = cfile->fid.volatile_fid;
390 return SMB2_read(xid, parms, bytes_read, buf, buf_type);
391}
392
009d3443
PS		 393static int
394smb2_sync_write(const unsigned int xid, struct cifsFileInfo *cfile,
395 struct cifs_io_parms *parms, unsigned int *written,
396 struct kvec *iov, unsigned long nr_segs)
397{
398
399 parms->persistent_fid = cfile->fid.persistent_fid;
400 parms->volatile_fid = cfile->fid.volatile_fid;
401 return SMB2_write(xid, parms, written, iov, nr_segs);
402}
403
c839ff24
PS		 404static int
405smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon,
406 struct cifsFileInfo *cfile, __u64 size, bool set_alloc)
407{
408 __le64 eof = cpu_to_le64(size);
409 return SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid,
410 cfile->fid.volatile_fid, cfile->pid, &eof);
411}
412
d324f08d
PS		 413static int
414smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
415 const char *path, struct cifs_sb_info *cifs_sb,
416 struct cifs_fid *fid, __u16 search_flags,
417 struct cifs_search_info *srch_inf)
418{
419 __le16 *utf16_path;
420 int rc;
2e44b288 421 __u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
d324f08d
PS		 422 __u64 persistent_fid, volatile_fid;
423
424 utf16_path = cifs_convert_path_to_utf16(path, cifs_sb);
425 if (!utf16_path)
426 return -ENOMEM;
427
428 rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid,
429 FILE_READ_ATTRIBUTES | FILE_READ_DATA, FILE_OPEN, 0, 0,
2e44b288 430 &oplock, NULL);
d324f08d
PS		 431 kfree(utf16_path);
432 if (rc) {
f96637be 433 cifs_dbg(VFS, "open dir failed\n");
d324f08d
PS		 434 return rc;
435 }
436
437 srch_inf->entries_in_buffer = 0;
438 srch_inf->index_of_last_entry = 0;
439 fid->persistent_fid = persistent_fid;
440 fid->volatile_fid = volatile_fid;
441
442 rc = SMB2_query_directory(xid, tcon, persistent_fid, volatile_fid, 0,
443 srch_inf);
444 if (rc) {
f96637be 445 cifs_dbg(VFS, "query directory failed\n");
d324f08d
PS		 446 SMB2_close(xid, tcon, persistent_fid, volatile_fid);
447 }
448 return rc;
449}
450
451static int
452smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon,
453 struct cifs_fid *fid, __u16 search_flags,
454 struct cifs_search_info *srch_inf)
455{
456 return SMB2_query_directory(xid, tcon, fid->persistent_fid,
457 fid->volatile_fid, 0, srch_inf);
458}
459
460static int
461smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon,
462 struct cifs_fid *fid)
463{
464 return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
465}
466
2e44b288
PS		 467/*
468* If we negotiate SMB2 protocol and get STATUS_PENDING - update
469* the number of credits and return true. Otherwise - return false.
470*/
471static bool
472smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length)
473{
474 struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
475
12e8a208 476 if (hdr->Status != STATUS_PENDING)
2e44b288
PS		 477 return false;
478
479 if (!length) {
480 spin_lock(&server->req_lock);
481 server->credits += le16_to_cpu(hdr->CreditRequest);
482 spin_unlock(&server->req_lock);
483 wake_up(&server->request_q);
484 }
485
486 return true;
487}
488
983c88a4
PS		 489static int
490smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid,
491 struct cifsInodeInfo *cinode)
492{
0822f514
PS		 493 if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING)
494 return SMB2_lease_break(0, tcon, cinode->lease_key,
495 smb2_get_lease_state(cinode));
496
983c88a4
PS		 497 return SMB2_oplock_break(0, tcon, fid->persistent_fid,
498 fid->volatile_fid,
499 cinode->clientCanCacheRead ? 1 : 0);
500}
501
6fc05c25
PS		 502static int
503smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon,
504 struct kstatfs *buf)
505{
506 int rc;
507 u64 persistent_fid, volatile_fid;
508 __le16 srch_path = 0; /* Null - open root of share */
509 u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
510
511 rc = SMB2_open(xid, tcon, &srch_path, &persistent_fid, &volatile_fid,
512 FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0, &oplock, NULL);
513 if (rc)
514 return rc;
515 buf->f_type = SMB2_MAGIC_NUMBER;
516 rc = SMB2_QFS_info(xid, tcon, persistent_fid, volatile_fid, buf);
517 SMB2_close(xid, tcon, persistent_fid, volatile_fid);
518 return rc;
519}
520
027e8eec
PS		 521static bool
522smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2)
523{
524 return ob1->fid.persistent_fid == ob2->fid.persistent_fid &&
525 ob1->fid.volatile_fid == ob2->fid.volatile_fid;
526}
527
f7ba7fe6
PS		 528static int
529smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset,
530 __u64 length, __u32 type, int lock, int unlock, bool wait)
531{
532 if (unlock && !lock)
533 type = SMB2_LOCKFLAG_UNLOCK;
534 return SMB2_lock(xid, tlink_tcon(cfile->tlink),
535 cfile->fid.persistent_fid, cfile->fid.volatile_fid,
536 current->tgid, length, offset, type, wait);
537}
538
b8c32dbb
PS		 539static void
540smb2_get_lease_key(struct inode *inode, struct cifs_fid *fid)
541{
542 memcpy(fid->lease_key, CIFS_I(inode)->lease_key, SMB2_LEASE_KEY_SIZE);
543}
544
545static void
546smb2_set_lease_key(struct inode *inode, struct cifs_fid *fid)
547{
548 memcpy(CIFS_I(inode)->lease_key, fid->lease_key, SMB2_LEASE_KEY_SIZE);
549}
550
551static void
552smb2_new_lease_key(struct cifs_fid *fid)
553{
554 get_random_bytes(fid->lease_key, SMB2_LEASE_KEY_SIZE);
555}
556
1080ef75 557struct smb_version_operations smb21_operations = {
027e8eec 558 .compare_fids = smb2_compare_fids,
2dc7e1c0 559 .setup_request = smb2_setup_request,
c95b8eed 560 .setup_async_request = smb2_setup_async_request,
2dc7e1c0 561 .check_receive = smb2_check_receive,
28ea5290
PS		 562 .add_credits = smb2_add_credits,
563 .set_credits = smb2_set_credits,
564 .get_credits_field = smb2_get_credits_field,
565 .get_credits = smb2_get_credits,
2dc7e1c0 566 .get_next_mid = smb2_get_next_mid,
09a4707e
PS		 567 .read_data_offset = smb2_read_data_offset,
568 .read_data_length = smb2_read_data_length,
569 .map_error = map_smb2_to_linux_error,
093b2bda
PS		 570 .find_mid = smb2_find_mid,
571 .check_message = smb2_check_message,
572 .dump_detail = smb2_dump_detail,
d60622eb
PS		 573 .clear_stats = smb2_clear_stats,
574 .print_stats = smb2_print_stats,
983c88a4 575 .is_oplock_break = smb2_is_valid_oplock_break,
ec2e4523
PS		 576 .need_neg = smb2_need_neg,
577 .negotiate = smb2_negotiate,
3a3bab50
PS		 578 .negotiate_wsize = smb2_negotiate_wsize,
579 .negotiate_rsize = smb2_negotiate_rsize,
5478f9ba
PS		 580 .sess_setup = SMB2_sess_setup,
581 .logoff = SMB2_logoff,
faaf946a
PS		 582 .tree_connect = SMB2_tcon,
583 .tree_disconnect = SMB2_tdis,
2503a0db 584 .is_path_accessible = smb2_is_path_accessible,
9094fad1
PS		 585 .can_echo = smb2_can_echo,
586 .echo = SMB2_echo,
be4cb9e3
PS		 587 .query_path_info = smb2_query_path_info,
588 .get_srv_inum = smb2_get_srv_inum,
b7546bc5 589 .query_file_info = smb2_query_file_info,
c839ff24
PS		 590 .set_path_size = smb2_set_path_size,
591 .set_file_size = smb2_set_file_size,
1feeaac7 592 .set_file_info = smb2_set_file_info,
a0e73183
PS		 593 .mkdir = smb2_mkdir,
594 .mkdir_setinfo = smb2_mkdir_setinfo,
1a500f01 595 .rmdir = smb2_rmdir,
cbe6f439 596 .unlink = smb2_unlink,
35143eb5 597 .rename = smb2_rename_path,
568798cc 598 .create_hardlink = smb2_create_hardlink,
f0df737e
PS		 599 .open = smb2_open_file,
600 .set_fid = smb2_set_fid,
601 .close = smb2_close_file,
7a5cfb19 602 .flush = smb2_flush_file,
09a4707e 603 .async_readv = smb2_async_readv,
33319141 604 .async_writev = smb2_async_writev,
d8e05039 605 .sync_read = smb2_sync_read,
009d3443 606 .sync_write = smb2_sync_write,
d324f08d
PS		 607 .query_dir_first = smb2_query_dir_first,
608 .query_dir_next = smb2_query_dir_next,
609 .close_dir = smb2_close_dir,
610 .calc_smb_size = smb2_calc_size,
2e44b288 611 .is_status_pending = smb2_is_status_pending,
983c88a4 612 .oplock_response = smb2_oplock_response,
6fc05c25 613 .queryfs = smb2_queryfs,
f7ba7fe6
PS		 614 .mand_lock = smb2_mand_lock,
615 .mand_unlock_range = smb2_unlock_range,
b140799a 616 .push_mand_locks = smb2_push_mandatory_locks,
b8c32dbb
PS		 617 .get_lease_key = smb2_get_lease_key,
618 .set_lease_key = smb2_set_lease_key,
619 .new_lease_key = smb2_new_lease_key,
38107d45
SF		 620 .calc_signature = smb2_calc_signature,
621};
622
623
624struct smb_version_operations smb30_operations = {
625 .compare_fids = smb2_compare_fids,
626 .setup_request = smb2_setup_request,
627 .setup_async_request = smb2_setup_async_request,
628 .check_receive = smb2_check_receive,
629 .add_credits = smb2_add_credits,
630 .set_credits = smb2_set_credits,
631 .get_credits_field = smb2_get_credits_field,
632 .get_credits = smb2_get_credits,
633 .get_next_mid = smb2_get_next_mid,
634 .read_data_offset = smb2_read_data_offset,
635 .read_data_length = smb2_read_data_length,
636 .map_error = map_smb2_to_linux_error,
637 .find_mid = smb2_find_mid,
638 .check_message = smb2_check_message,
639 .dump_detail = smb2_dump_detail,
640 .clear_stats = smb2_clear_stats,
641 .print_stats = smb2_print_stats,
642 .is_oplock_break = smb2_is_valid_oplock_break,
643 .need_neg = smb2_need_neg,
644 .negotiate = smb2_negotiate,
645 .negotiate_wsize = smb2_negotiate_wsize,
646 .negotiate_rsize = smb2_negotiate_rsize,
647 .sess_setup = SMB2_sess_setup,
648 .logoff = SMB2_logoff,
649 .tree_connect = SMB2_tcon,
650 .tree_disconnect = SMB2_tdis,
651 .is_path_accessible = smb2_is_path_accessible,
652 .can_echo = smb2_can_echo,
653 .echo = SMB2_echo,
654 .query_path_info = smb2_query_path_info,
655 .get_srv_inum = smb2_get_srv_inum,
656 .query_file_info = smb2_query_file_info,
657 .set_path_size = smb2_set_path_size,
658 .set_file_size = smb2_set_file_size,
659 .set_file_info = smb2_set_file_info,
660 .mkdir = smb2_mkdir,
661 .mkdir_setinfo = smb2_mkdir_setinfo,
662 .rmdir = smb2_rmdir,
663 .unlink = smb2_unlink,
664 .rename = smb2_rename_path,
665 .create_hardlink = smb2_create_hardlink,
666 .open = smb2_open_file,
667 .set_fid = smb2_set_fid,
668 .close = smb2_close_file,
669 .flush = smb2_flush_file,
670 .async_readv = smb2_async_readv,
671 .async_writev = smb2_async_writev,
672 .sync_read = smb2_sync_read,
673 .sync_write = smb2_sync_write,
674 .query_dir_first = smb2_query_dir_first,
675 .query_dir_next = smb2_query_dir_next,
676 .close_dir = smb2_close_dir,
677 .calc_smb_size = smb2_calc_size,
678 .is_status_pending = smb2_is_status_pending,
679 .oplock_response = smb2_oplock_response,
680 .queryfs = smb2_queryfs,
681 .mand_lock = smb2_mand_lock,
682 .mand_unlock_range = smb2_unlock_range,
683 .push_mand_locks = smb2_push_mandatory_locks,
684 .get_lease_key = smb2_get_lease_key,
685 .set_lease_key = smb2_set_lease_key,
686 .new_lease_key = smb2_new_lease_key,
687 .calc_signature = smb3_calc_signature,
1080ef75
SF		 688};
689
dd446b16
SF		 690struct smb_version_values smb20_values = {
691 .version_string = SMB20_VERSION_STRING,
692 .protocol_id = SMB20_PROT_ID,
693 .req_capabilities = 0, /* MBZ */
694 .large_lock_type = 0,
695 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
696 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
697 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
698 .header_size = sizeof(struct smb2_hdr),
699 .max_header_size = MAX_SMB2_HDR_SIZE,
700 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
701 .lock_cmd = SMB2_LOCK,
702 .cap_unix = 0,
703 .cap_nt_find = SMB2_NT_FIND,
704 .cap_large_files = SMB2_LARGE_FILES,
63b7d3a4 705 .oplock_read = SMB2_OPLOCK_LEVEL_II,
dd446b16
SF		 706};
707
1080ef75
SF		 708struct smb_version_values smb21_values = {
709 .version_string = SMB21_VERSION_STRING,
e4aa25e7
SF		 710 .protocol_id = SMB21_PROT_ID,
711 .req_capabilities = 0, /* MBZ on negotiate req until SMB3 dialect */
712 .large_lock_type = 0,
713 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
714 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
715 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
716 .header_size = sizeof(struct smb2_hdr),
717 .max_header_size = MAX_SMB2_HDR_SIZE,
718 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
719 .lock_cmd = SMB2_LOCK,
720 .cap_unix = 0,
721 .cap_nt_find = SMB2_NT_FIND,
722 .cap_large_files = SMB2_LARGE_FILES,
63b7d3a4 723 .oplock_read = SMB2_OPLOCK_LEVEL_II,
e4aa25e7
SF		 724};
725
726struct smb_version_values smb30_values = {
727 .version_string = SMB30_VERSION_STRING,
728 .protocol_id = SMB30_PROT_ID,
729 .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU,
027e8eec
PS		 730 .large_lock_type = 0,
731 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
732 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
733 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
093b2bda
PS		 734 .header_size = sizeof(struct smb2_hdr),
735 .max_header_size = MAX_SMB2_HDR_SIZE,
09a4707e 736 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
2dc7e1c0 737 .lock_cmd = SMB2_LOCK,
29e20f9c
PS		 738 .cap_unix = 0,
739 .cap_nt_find = SMB2_NT_FIND,
740 .cap_large_files = SMB2_LARGE_FILES,
067785c4 741 .oplock_read = SMB2_OPLOCK_LEVEL_II,
1080ef75 742};
kernel source for telekom puls (alcatel/mediatek)