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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 | ||
20 | #include <linux/pagemap.h> | |
21 | #include <linux/vfs.h> | |
22 | #include <linux/falloc.h> | |
23 | #include "cifsglob.h" | |
24 | #include "smb2pdu.h" | |
25 | #include "smb2proto.h" | |
26 | #include "cifsproto.h" | |
27 | #include "cifs_debug.h" | |
28 | #include "cifs_unicode.h" | |
29 | #include "smb2status.h" | |
30 | #include "smb2glob.h" | |
31 | ||
32 | static int | |
33 | change_conf(struct TCP_Server_Info *server) | |
34 | { | |
35 | server->credits += server->echo_credits + server->oplock_credits; | |
36 | server->oplock_credits = server->echo_credits = 0; | |
37 | switch (server->credits) { | |
38 | case 0: | |
39 | return -1; | |
40 | case 1: | |
41 | server->echoes = false; | |
42 | server->oplocks = false; | |
43 | cifs_dbg(VFS, "disabling echoes and oplocks\n"); | |
44 | break; | |
45 | case 2: | |
46 | server->echoes = true; | |
47 | server->oplocks = false; | |
48 | server->echo_credits = 1; | |
49 | cifs_dbg(FYI, "disabling oplocks\n"); | |
50 | break; | |
51 | default: | |
52 | server->echoes = true; | |
53 | if (enable_oplocks) { | |
54 | server->oplocks = true; | |
55 | server->oplock_credits = 1; | |
56 | } else | |
57 | server->oplocks = false; | |
58 | ||
59 | server->echo_credits = 1; | |
60 | } | |
61 | server->credits -= server->echo_credits + server->oplock_credits; | |
62 | return 0; | |
63 | } | |
64 | ||
65 | static void | |
66 | smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add, | |
67 | const int optype) | |
68 | { | |
69 | int *val, rc = 0; | |
70 | spin_lock(&server->req_lock); | |
71 | val = server->ops->get_credits_field(server, optype); | |
72 | *val += add; | |
73 | server->in_flight--; | |
74 | if (server->in_flight == 0 && (optype & CIFS_OP_MASK) != CIFS_NEG_OP) | |
75 | rc = change_conf(server); | |
76 | /* | |
77 | * Sometimes server returns 0 credits on oplock break ack - we need to | |
78 | * rebalance credits in this case. | |
79 | */ | |
80 | else if (server->in_flight > 0 && server->oplock_credits == 0 && | |
81 | server->oplocks) { | |
82 | if (server->credits > 1) { | |
83 | server->credits--; | |
84 | server->oplock_credits++; | |
85 | } | |
86 | } | |
87 | spin_unlock(&server->req_lock); | |
88 | wake_up(&server->request_q); | |
89 | if (rc) | |
90 | cifs_reconnect(server); | |
91 | } | |
92 | ||
93 | static void | |
94 | smb2_set_credits(struct TCP_Server_Info *server, const int val) | |
95 | { | |
96 | spin_lock(&server->req_lock); | |
97 | server->credits = val; | |
98 | spin_unlock(&server->req_lock); | |
99 | } | |
100 | ||
101 | static int * | |
102 | smb2_get_credits_field(struct TCP_Server_Info *server, const int optype) | |
103 | { | |
104 | switch (optype) { | |
105 | case CIFS_ECHO_OP: | |
106 | return &server->echo_credits; | |
107 | case CIFS_OBREAK_OP: | |
108 | return &server->oplock_credits; | |
109 | default: | |
110 | return &server->credits; | |
111 | } | |
112 | } | |
113 | ||
114 | static unsigned int | |
115 | smb2_get_credits(struct mid_q_entry *mid) | |
116 | { | |
117 | return le16_to_cpu(((struct smb2_hdr *)mid->resp_buf)->CreditRequest); | |
118 | } | |
119 | ||
120 | static int | |
121 | smb2_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size, | |
122 | unsigned int *num, unsigned int *credits) | |
123 | { | |
124 | int rc = 0; | |
125 | unsigned int scredits; | |
126 | ||
127 | spin_lock(&server->req_lock); | |
128 | while (1) { | |
129 | if (server->credits <= 0) { | |
130 | spin_unlock(&server->req_lock); | |
131 | cifs_num_waiters_inc(server); | |
132 | rc = wait_event_killable(server->request_q, | |
133 | has_credits(server, &server->credits)); | |
134 | cifs_num_waiters_dec(server); | |
135 | if (rc) | |
136 | return rc; | |
137 | spin_lock(&server->req_lock); | |
138 | } else { | |
139 | if (server->tcpStatus == CifsExiting) { | |
140 | spin_unlock(&server->req_lock); | |
141 | return -ENOENT; | |
142 | } | |
143 | ||
144 | scredits = server->credits; | |
145 | /* can deadlock with reopen */ | |
146 | if (scredits == 1) { | |
147 | *num = SMB2_MAX_BUFFER_SIZE; | |
148 | *credits = 0; | |
149 | break; | |
150 | } | |
151 | ||
152 | /* leave one credit for a possible reopen */ | |
153 | scredits--; | |
154 | *num = min_t(unsigned int, size, | |
155 | scredits * SMB2_MAX_BUFFER_SIZE); | |
156 | ||
157 | *credits = DIV_ROUND_UP(*num, SMB2_MAX_BUFFER_SIZE); | |
158 | server->credits -= *credits; | |
159 | server->in_flight++; | |
160 | break; | |
161 | } | |
162 | } | |
163 | spin_unlock(&server->req_lock); | |
164 | return rc; | |
165 | } | |
166 | ||
167 | static __u64 | |
168 | smb2_get_next_mid(struct TCP_Server_Info *server) | |
169 | { | |
170 | __u64 mid; | |
171 | /* for SMB2 we need the current value */ | |
172 | spin_lock(&GlobalMid_Lock); | |
173 | mid = server->CurrentMid++; | |
174 | spin_unlock(&GlobalMid_Lock); | |
175 | return mid; | |
176 | } | |
177 | ||
178 | static struct mid_q_entry * | |
179 | smb2_find_mid(struct TCP_Server_Info *server, char *buf) | |
180 | { | |
181 | struct mid_q_entry *mid; | |
182 | struct smb2_hdr *hdr = (struct smb2_hdr *)buf; | |
183 | __u64 wire_mid = le64_to_cpu(hdr->MessageId); | |
184 | ||
185 | spin_lock(&GlobalMid_Lock); | |
186 | list_for_each_entry(mid, &server->pending_mid_q, qhead) { | |
187 | if ((mid->mid == wire_mid) && | |
188 | (mid->mid_state == MID_REQUEST_SUBMITTED) && | |
189 | (mid->command == hdr->Command)) { | |
190 | spin_unlock(&GlobalMid_Lock); | |
191 | return mid; | |
192 | } | |
193 | } | |
194 | spin_unlock(&GlobalMid_Lock); | |
195 | return NULL; | |
196 | } | |
197 | ||
198 | static void | |
199 | smb2_dump_detail(void *buf) | |
200 | { | |
201 | #ifdef CONFIG_CIFS_DEBUG2 | |
202 | struct smb2_hdr *smb = (struct smb2_hdr *)buf; | |
203 | ||
204 | cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n", | |
205 | smb->Command, smb->Status, smb->Flags, smb->MessageId, | |
206 | smb->ProcessId); | |
207 | cifs_dbg(VFS, "smb buf %p len %u\n", smb, smb2_calc_size(smb)); | |
208 | #endif | |
209 | } | |
210 | ||
211 | static bool | |
212 | smb2_need_neg(struct TCP_Server_Info *server) | |
213 | { | |
214 | return server->max_read == 0; | |
215 | } | |
216 | ||
217 | static int | |
218 | smb2_negotiate(const unsigned int xid, struct cifs_ses *ses) | |
219 | { | |
220 | int rc; | |
221 | ses->server->CurrentMid = 0; | |
222 | rc = SMB2_negotiate(xid, ses); | |
223 | /* BB we probably don't need to retry with modern servers */ | |
224 | if (rc == -EAGAIN) | |
225 | rc = -EHOSTDOWN; | |
226 | return rc; | |
227 | } | |
228 | ||
229 | static unsigned int | |
230 | smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) | |
231 | { | |
232 | struct TCP_Server_Info *server = tcon->ses->server; | |
233 | unsigned int wsize; | |
234 | ||
235 | /* start with specified wsize, or default */ | |
236 | wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE; | |
237 | wsize = min_t(unsigned int, wsize, server->max_write); | |
238 | ||
239 | if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) | |
240 | wsize = min_t(unsigned int, wsize, SMB2_MAX_BUFFER_SIZE); | |
241 | ||
242 | return wsize; | |
243 | } | |
244 | ||
245 | static unsigned int | |
246 | smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) | |
247 | { | |
248 | struct TCP_Server_Info *server = tcon->ses->server; | |
249 | unsigned int rsize; | |
250 | ||
251 | /* start with specified rsize, or default */ | |
252 | rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE; | |
253 | rsize = min_t(unsigned int, rsize, server->max_read); | |
254 | ||
255 | if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) | |
256 | rsize = min_t(unsigned int, rsize, SMB2_MAX_BUFFER_SIZE); | |
257 | ||
258 | return rsize; | |
259 | } | |
260 | ||
261 | #ifdef CONFIG_CIFS_STATS2 | |
262 | static int | |
263 | SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon) | |
264 | { | |
265 | int rc; | |
266 | unsigned int ret_data_len = 0; | |
267 | struct network_interface_info_ioctl_rsp *out_buf; | |
268 | ||
269 | rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, | |
270 | FSCTL_QUERY_NETWORK_INTERFACE_INFO, true /* is_fsctl */, | |
271 | NULL /* no data input */, 0 /* no data input */, | |
272 | (char **)&out_buf, &ret_data_len); | |
273 | if (rc != 0) | |
274 | cifs_dbg(VFS, "error %d on ioctl to get interface list\n", rc); | |
275 | else if (ret_data_len < sizeof(struct network_interface_info_ioctl_rsp)) { | |
276 | cifs_dbg(VFS, "server returned bad net interface info buf\n"); | |
277 | rc = -EINVAL; | |
278 | } else { | |
279 | /* Dump info on first interface */ | |
280 | cifs_dbg(FYI, "Adapter Capability 0x%x\t", | |
281 | le32_to_cpu(out_buf->Capability)); | |
282 | cifs_dbg(FYI, "Link Speed %lld\n", | |
283 | le64_to_cpu(out_buf->LinkSpeed)); | |
284 | } | |
285 | ||
286 | return rc; | |
287 | } | |
288 | #endif /* STATS2 */ | |
289 | ||
290 | static void | |
291 | smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
292 | { | |
293 | int rc; | |
294 | __le16 srch_path = 0; /* Null - open root of share */ | |
295 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
296 | struct cifs_open_parms oparms; | |
297 | struct cifs_fid fid; | |
298 | ||
299 | oparms.tcon = tcon; | |
300 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
301 | oparms.disposition = FILE_OPEN; | |
302 | oparms.create_options = 0; | |
303 | oparms.fid = &fid; | |
304 | oparms.reconnect = false; | |
305 | ||
306 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
307 | if (rc) | |
308 | return; | |
309 | ||
310 | #ifdef CONFIG_CIFS_STATS2 | |
311 | SMB3_request_interfaces(xid, tcon); | |
312 | #endif /* STATS2 */ | |
313 | ||
314 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
315 | FS_ATTRIBUTE_INFORMATION); | |
316 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
317 | FS_DEVICE_INFORMATION); | |
318 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
319 | FS_SECTOR_SIZE_INFORMATION); /* SMB3 specific */ | |
320 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
321 | return; | |
322 | } | |
323 | ||
324 | static void | |
325 | smb2_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
326 | { | |
327 | int rc; | |
328 | __le16 srch_path = 0; /* Null - open root of share */ | |
329 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
330 | struct cifs_open_parms oparms; | |
331 | struct cifs_fid fid; | |
332 | ||
333 | oparms.tcon = tcon; | |
334 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
335 | oparms.disposition = FILE_OPEN; | |
336 | oparms.create_options = 0; | |
337 | oparms.fid = &fid; | |
338 | oparms.reconnect = false; | |
339 | ||
340 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
341 | if (rc) | |
342 | return; | |
343 | ||
344 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
345 | FS_ATTRIBUTE_INFORMATION); | |
346 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
347 | FS_DEVICE_INFORMATION); | |
348 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
349 | return; | |
350 | } | |
351 | ||
352 | static int | |
353 | smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, | |
354 | struct cifs_sb_info *cifs_sb, const char *full_path) | |
355 | { | |
356 | int rc; | |
357 | __le16 *utf16_path; | |
358 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
359 | struct cifs_open_parms oparms; | |
360 | struct cifs_fid fid; | |
361 | ||
362 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
363 | if (!utf16_path) | |
364 | return -ENOMEM; | |
365 | ||
366 | oparms.tcon = tcon; | |
367 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
368 | oparms.disposition = FILE_OPEN; | |
369 | oparms.create_options = 0; | |
370 | oparms.fid = &fid; | |
371 | oparms.reconnect = false; | |
372 | ||
373 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); | |
374 | if (rc) { | |
375 | kfree(utf16_path); | |
376 | return rc; | |
377 | } | |
378 | ||
379 | rc = SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
380 | kfree(utf16_path); | |
381 | return rc; | |
382 | } | |
383 | ||
384 | static int | |
385 | smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon, | |
386 | struct cifs_sb_info *cifs_sb, const char *full_path, | |
387 | u64 *uniqueid, FILE_ALL_INFO *data) | |
388 | { | |
389 | *uniqueid = le64_to_cpu(data->IndexNumber); | |
390 | return 0; | |
391 | } | |
392 | ||
393 | static int | |
394 | smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon, | |
395 | struct cifs_fid *fid, FILE_ALL_INFO *data) | |
396 | { | |
397 | int rc; | |
398 | struct smb2_file_all_info *smb2_data; | |
399 | ||
400 | smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2, | |
401 | GFP_KERNEL); | |
402 | if (smb2_data == NULL) | |
403 | return -ENOMEM; | |
404 | ||
405 | rc = SMB2_query_info(xid, tcon, fid->persistent_fid, fid->volatile_fid, | |
406 | smb2_data); | |
407 | if (!rc) | |
408 | move_smb2_info_to_cifs(data, smb2_data); | |
409 | kfree(smb2_data); | |
410 | return rc; | |
411 | } | |
412 | ||
413 | static bool | |
414 | smb2_can_echo(struct TCP_Server_Info *server) | |
415 | { | |
416 | return server->echoes; | |
417 | } | |
418 | ||
419 | static void | |
420 | smb2_clear_stats(struct cifs_tcon *tcon) | |
421 | { | |
422 | #ifdef CONFIG_CIFS_STATS | |
423 | int i; | |
424 | for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) { | |
425 | atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); | |
426 | atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); | |
427 | } | |
428 | #endif | |
429 | } | |
430 | ||
431 | static void | |
432 | smb2_dump_share_caps(struct seq_file *m, struct cifs_tcon *tcon) | |
433 | { | |
434 | seq_puts(m, "\n\tShare Capabilities:"); | |
435 | if (tcon->capabilities & SMB2_SHARE_CAP_DFS) | |
436 | seq_puts(m, " DFS,"); | |
437 | if (tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY) | |
438 | seq_puts(m, " CONTINUOUS AVAILABILITY,"); | |
439 | if (tcon->capabilities & SMB2_SHARE_CAP_SCALEOUT) | |
440 | seq_puts(m, " SCALEOUT,"); | |
441 | if (tcon->capabilities & SMB2_SHARE_CAP_CLUSTER) | |
442 | seq_puts(m, " CLUSTER,"); | |
443 | if (tcon->capabilities & SMB2_SHARE_CAP_ASYMMETRIC) | |
444 | seq_puts(m, " ASYMMETRIC,"); | |
445 | if (tcon->capabilities == 0) | |
446 | seq_puts(m, " None"); | |
447 | if (tcon->ss_flags & SSINFO_FLAGS_ALIGNED_DEVICE) | |
448 | seq_puts(m, " Aligned,"); | |
449 | if (tcon->ss_flags & SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE) | |
450 | seq_puts(m, " Partition Aligned,"); | |
451 | if (tcon->ss_flags & SSINFO_FLAGS_NO_SEEK_PENALTY) | |
452 | seq_puts(m, " SSD,"); | |
453 | if (tcon->ss_flags & SSINFO_FLAGS_TRIM_ENABLED) | |
454 | seq_puts(m, " TRIM-support,"); | |
455 | ||
456 | seq_printf(m, "\tShare Flags: 0x%x", tcon->share_flags); | |
457 | if (tcon->perf_sector_size) | |
458 | seq_printf(m, "\tOptimal sector size: 0x%x", | |
459 | tcon->perf_sector_size); | |
460 | } | |
461 | ||
462 | static void | |
463 | smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon) | |
464 | { | |
465 | #ifdef CONFIG_CIFS_STATS | |
466 | atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent; | |
467 | atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed; | |
468 | seq_printf(m, "\nNegotiates: %d sent %d failed", | |
469 | atomic_read(&sent[SMB2_NEGOTIATE_HE]), | |
470 | atomic_read(&failed[SMB2_NEGOTIATE_HE])); | |
471 | seq_printf(m, "\nSessionSetups: %d sent %d failed", | |
472 | atomic_read(&sent[SMB2_SESSION_SETUP_HE]), | |
473 | atomic_read(&failed[SMB2_SESSION_SETUP_HE])); | |
474 | seq_printf(m, "\nLogoffs: %d sent %d failed", | |
475 | atomic_read(&sent[SMB2_LOGOFF_HE]), | |
476 | atomic_read(&failed[SMB2_LOGOFF_HE])); | |
477 | seq_printf(m, "\nTreeConnects: %d sent %d failed", | |
478 | atomic_read(&sent[SMB2_TREE_CONNECT_HE]), | |
479 | atomic_read(&failed[SMB2_TREE_CONNECT_HE])); | |
480 | seq_printf(m, "\nTreeDisconnects: %d sent %d failed", | |
481 | atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]), | |
482 | atomic_read(&failed[SMB2_TREE_DISCONNECT_HE])); | |
483 | seq_printf(m, "\nCreates: %d sent %d failed", | |
484 | atomic_read(&sent[SMB2_CREATE_HE]), | |
485 | atomic_read(&failed[SMB2_CREATE_HE])); | |
486 | seq_printf(m, "\nCloses: %d sent %d failed", | |
487 | atomic_read(&sent[SMB2_CLOSE_HE]), | |
488 | atomic_read(&failed[SMB2_CLOSE_HE])); | |
489 | seq_printf(m, "\nFlushes: %d sent %d failed", | |
490 | atomic_read(&sent[SMB2_FLUSH_HE]), | |
491 | atomic_read(&failed[SMB2_FLUSH_HE])); | |
492 | seq_printf(m, "\nReads: %d sent %d failed", | |
493 | atomic_read(&sent[SMB2_READ_HE]), | |
494 | atomic_read(&failed[SMB2_READ_HE])); | |
495 | seq_printf(m, "\nWrites: %d sent %d failed", | |
496 | atomic_read(&sent[SMB2_WRITE_HE]), | |
497 | atomic_read(&failed[SMB2_WRITE_HE])); | |
498 | seq_printf(m, "\nLocks: %d sent %d failed", | |
499 | atomic_read(&sent[SMB2_LOCK_HE]), | |
500 | atomic_read(&failed[SMB2_LOCK_HE])); | |
501 | seq_printf(m, "\nIOCTLs: %d sent %d failed", | |
502 | atomic_read(&sent[SMB2_IOCTL_HE]), | |
503 | atomic_read(&failed[SMB2_IOCTL_HE])); | |
504 | seq_printf(m, "\nCancels: %d sent %d failed", | |
505 | atomic_read(&sent[SMB2_CANCEL_HE]), | |
506 | atomic_read(&failed[SMB2_CANCEL_HE])); | |
507 | seq_printf(m, "\nEchos: %d sent %d failed", | |
508 | atomic_read(&sent[SMB2_ECHO_HE]), | |
509 | atomic_read(&failed[SMB2_ECHO_HE])); | |
510 | seq_printf(m, "\nQueryDirectories: %d sent %d failed", | |
511 | atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]), | |
512 | atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE])); | |
513 | seq_printf(m, "\nChangeNotifies: %d sent %d failed", | |
514 | atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]), | |
515 | atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE])); | |
516 | seq_printf(m, "\nQueryInfos: %d sent %d failed", | |
517 | atomic_read(&sent[SMB2_QUERY_INFO_HE]), | |
518 | atomic_read(&failed[SMB2_QUERY_INFO_HE])); | |
519 | seq_printf(m, "\nSetInfos: %d sent %d failed", | |
520 | atomic_read(&sent[SMB2_SET_INFO_HE]), | |
521 | atomic_read(&failed[SMB2_SET_INFO_HE])); | |
522 | seq_printf(m, "\nOplockBreaks: %d sent %d failed", | |
523 | atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]), | |
524 | atomic_read(&failed[SMB2_OPLOCK_BREAK_HE])); | |
525 | #endif | |
526 | } | |
527 | ||
528 | static void | |
529 | smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock) | |
530 | { | |
531 | struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry)); | |
532 | struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server; | |
533 | ||
534 | cfile->fid.persistent_fid = fid->persistent_fid; | |
535 | cfile->fid.volatile_fid = fid->volatile_fid; | |
536 | server->ops->set_oplock_level(cinode, oplock, fid->epoch, | |
537 | &fid->purge_cache); | |
538 | cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode); | |
539 | } | |
540 | ||
541 | static void | |
542 | smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon, | |
543 | struct cifs_fid *fid) | |
544 | { | |
545 | SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
546 | } | |
547 | ||
548 | static int | |
549 | SMB2_request_res_key(const unsigned int xid, struct cifs_tcon *tcon, | |
550 | u64 persistent_fid, u64 volatile_fid, | |
551 | struct copychunk_ioctl *pcchunk) | |
552 | { | |
553 | int rc; | |
554 | unsigned int ret_data_len; | |
555 | struct resume_key_req *res_key; | |
556 | ||
557 | rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, | |
558 | FSCTL_SRV_REQUEST_RESUME_KEY, true /* is_fsctl */, | |
559 | NULL, 0 /* no input */, | |
560 | (char **)&res_key, &ret_data_len); | |
561 | ||
562 | if (rc) { | |
563 | cifs_dbg(VFS, "refcpy ioctl error %d getting resume key\n", rc); | |
564 | goto req_res_key_exit; | |
565 | } | |
566 | if (ret_data_len < sizeof(struct resume_key_req)) { | |
567 | cifs_dbg(VFS, "Invalid refcopy resume key length\n"); | |
568 | rc = -EINVAL; | |
569 | goto req_res_key_exit; | |
570 | } | |
571 | memcpy(pcchunk->SourceKey, res_key->ResumeKey, COPY_CHUNK_RES_KEY_SIZE); | |
572 | ||
573 | req_res_key_exit: | |
574 | kfree(res_key); | |
575 | return rc; | |
576 | } | |
577 | ||
578 | static int | |
579 | smb2_clone_range(const unsigned int xid, | |
580 | struct cifsFileInfo *srcfile, | |
581 | struct cifsFileInfo *trgtfile, u64 src_off, | |
582 | u64 len, u64 dest_off) | |
583 | { | |
584 | int rc; | |
585 | unsigned int ret_data_len; | |
586 | struct copychunk_ioctl *pcchunk; | |
587 | struct copychunk_ioctl_rsp *retbuf = NULL; | |
588 | struct cifs_tcon *tcon; | |
589 | int chunks_copied = 0; | |
590 | bool chunk_sizes_updated = false; | |
591 | ||
592 | pcchunk = kmalloc(sizeof(struct copychunk_ioctl), GFP_KERNEL); | |
593 | ||
594 | if (pcchunk == NULL) | |
595 | return -ENOMEM; | |
596 | ||
597 | cifs_dbg(FYI, "in smb2_clone_range - about to call request res key\n"); | |
598 | /* Request a key from the server to identify the source of the copy */ | |
599 | rc = SMB2_request_res_key(xid, tlink_tcon(srcfile->tlink), | |
600 | srcfile->fid.persistent_fid, | |
601 | srcfile->fid.volatile_fid, pcchunk); | |
602 | ||
603 | /* Note: request_res_key sets res_key null only if rc !=0 */ | |
604 | if (rc) | |
605 | goto cchunk_out; | |
606 | ||
607 | /* For now array only one chunk long, will make more flexible later */ | |
608 | pcchunk->ChunkCount = cpu_to_le32(1); | |
609 | pcchunk->Reserved = 0; | |
610 | pcchunk->Reserved2 = 0; | |
611 | ||
612 | tcon = tlink_tcon(trgtfile->tlink); | |
613 | ||
614 | while (len > 0) { | |
615 | pcchunk->SourceOffset = cpu_to_le64(src_off); | |
616 | pcchunk->TargetOffset = cpu_to_le64(dest_off); | |
617 | pcchunk->Length = | |
618 | cpu_to_le32(min_t(u32, len, tcon->max_bytes_chunk)); | |
619 | ||
620 | /* Request server copy to target from src identified by key */ | |
621 | rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, | |
622 | trgtfile->fid.volatile_fid, FSCTL_SRV_COPYCHUNK_WRITE, | |
623 | true /* is_fsctl */, (char *)pcchunk, | |
624 | sizeof(struct copychunk_ioctl), (char **)&retbuf, | |
625 | &ret_data_len); | |
626 | if (rc == 0) { | |
627 | if (ret_data_len != | |
628 | sizeof(struct copychunk_ioctl_rsp)) { | |
629 | cifs_dbg(VFS, "invalid cchunk response size\n"); | |
630 | rc = -EIO; | |
631 | goto cchunk_out; | |
632 | } | |
633 | if (retbuf->TotalBytesWritten == 0) { | |
634 | cifs_dbg(FYI, "no bytes copied\n"); | |
635 | rc = -EIO; | |
636 | goto cchunk_out; | |
637 | } | |
638 | /* | |
639 | * Check if server claimed to write more than we asked | |
640 | */ | |
641 | if (le32_to_cpu(retbuf->TotalBytesWritten) > | |
642 | le32_to_cpu(pcchunk->Length)) { | |
643 | cifs_dbg(VFS, "invalid copy chunk response\n"); | |
644 | rc = -EIO; | |
645 | goto cchunk_out; | |
646 | } | |
647 | if (le32_to_cpu(retbuf->ChunksWritten) != 1) { | |
648 | cifs_dbg(VFS, "invalid num chunks written\n"); | |
649 | rc = -EIO; | |
650 | goto cchunk_out; | |
651 | } | |
652 | chunks_copied++; | |
653 | ||
654 | src_off += le32_to_cpu(retbuf->TotalBytesWritten); | |
655 | dest_off += le32_to_cpu(retbuf->TotalBytesWritten); | |
656 | len -= le32_to_cpu(retbuf->TotalBytesWritten); | |
657 | ||
658 | cifs_dbg(FYI, "Chunks %d PartialChunk %d Total %d\n", | |
659 | le32_to_cpu(retbuf->ChunksWritten), | |
660 | le32_to_cpu(retbuf->ChunkBytesWritten), | |
661 | le32_to_cpu(retbuf->TotalBytesWritten)); | |
662 | } else if (rc == -EINVAL) { | |
663 | if (ret_data_len != sizeof(struct copychunk_ioctl_rsp)) | |
664 | goto cchunk_out; | |
665 | ||
666 | cifs_dbg(FYI, "MaxChunks %d BytesChunk %d MaxCopy %d\n", | |
667 | le32_to_cpu(retbuf->ChunksWritten), | |
668 | le32_to_cpu(retbuf->ChunkBytesWritten), | |
669 | le32_to_cpu(retbuf->TotalBytesWritten)); | |
670 | ||
671 | /* | |
672 | * Check if this is the first request using these sizes, | |
673 | * (ie check if copy succeed once with original sizes | |
674 | * and check if the server gave us different sizes after | |
675 | * we already updated max sizes on previous request). | |
676 | * if not then why is the server returning an error now | |
677 | */ | |
678 | if ((chunks_copied != 0) || chunk_sizes_updated) | |
679 | goto cchunk_out; | |
680 | ||
681 | /* Check that server is not asking us to grow size */ | |
682 | if (le32_to_cpu(retbuf->ChunkBytesWritten) < | |
683 | tcon->max_bytes_chunk) | |
684 | tcon->max_bytes_chunk = | |
685 | le32_to_cpu(retbuf->ChunkBytesWritten); | |
686 | else | |
687 | goto cchunk_out; /* server gave us bogus size */ | |
688 | ||
689 | /* No need to change MaxChunks since already set to 1 */ | |
690 | chunk_sizes_updated = true; | |
691 | } else | |
692 | goto cchunk_out; | |
693 | } | |
694 | ||
695 | cchunk_out: | |
696 | kfree(pcchunk); | |
697 | return rc; | |
698 | } | |
699 | ||
700 | static int | |
701 | smb2_flush_file(const unsigned int xid, struct cifs_tcon *tcon, | |
702 | struct cifs_fid *fid) | |
703 | { | |
704 | return SMB2_flush(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
705 | } | |
706 | ||
707 | static unsigned int | |
708 | smb2_read_data_offset(char *buf) | |
709 | { | |
710 | struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; | |
711 | return rsp->DataOffset; | |
712 | } | |
713 | ||
714 | static unsigned int | |
715 | smb2_read_data_length(char *buf) | |
716 | { | |
717 | struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; | |
718 | return le32_to_cpu(rsp->DataLength); | |
719 | } | |
720 | ||
721 | ||
722 | static int | |
723 | smb2_sync_read(const unsigned int xid, struct cifs_fid *pfid, | |
724 | struct cifs_io_parms *parms, unsigned int *bytes_read, | |
725 | char **buf, int *buf_type) | |
726 | { | |
727 | parms->persistent_fid = pfid->persistent_fid; | |
728 | parms->volatile_fid = pfid->volatile_fid; | |
729 | return SMB2_read(xid, parms, bytes_read, buf, buf_type); | |
730 | } | |
731 | ||
732 | static int | |
733 | smb2_sync_write(const unsigned int xid, struct cifs_fid *pfid, | |
734 | struct cifs_io_parms *parms, unsigned int *written, | |
735 | struct kvec *iov, unsigned long nr_segs) | |
736 | { | |
737 | ||
738 | parms->persistent_fid = pfid->persistent_fid; | |
739 | parms->volatile_fid = pfid->volatile_fid; | |
740 | return SMB2_write(xid, parms, written, iov, nr_segs); | |
741 | } | |
742 | ||
743 | /* Set or clear the SPARSE_FILE attribute based on value passed in setsparse */ | |
744 | static bool smb2_set_sparse(const unsigned int xid, struct cifs_tcon *tcon, | |
745 | struct cifsFileInfo *cfile, struct inode *inode, __u8 setsparse) | |
746 | { | |
747 | struct cifsInodeInfo *cifsi; | |
748 | int rc; | |
749 | ||
750 | cifsi = CIFS_I(inode); | |
751 | ||
752 | /* if file already sparse don't bother setting sparse again */ | |
753 | if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) && setsparse) | |
754 | return true; /* already sparse */ | |
755 | ||
756 | if (!(cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) && !setsparse) | |
757 | return true; /* already not sparse */ | |
758 | ||
759 | /* | |
760 | * Can't check for sparse support on share the usual way via the | |
761 | * FS attribute info (FILE_SUPPORTS_SPARSE_FILES) on the share | |
762 | * since Samba server doesn't set the flag on the share, yet | |
763 | * supports the set sparse FSCTL and returns sparse correctly | |
764 | * in the file attributes. If we fail setting sparse though we | |
765 | * mark that server does not support sparse files for this share | |
766 | * to avoid repeatedly sending the unsupported fsctl to server | |
767 | * if the file is repeatedly extended. | |
768 | */ | |
769 | if (tcon->broken_sparse_sup) | |
770 | return false; | |
771 | ||
772 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
773 | cfile->fid.volatile_fid, FSCTL_SET_SPARSE, | |
774 | true /* is_fctl */, &setsparse, 1, NULL, NULL); | |
775 | if (rc) { | |
776 | tcon->broken_sparse_sup = true; | |
777 | cifs_dbg(FYI, "set sparse rc = %d\n", rc); | |
778 | return false; | |
779 | } | |
780 | ||
781 | if (setsparse) | |
782 | cifsi->cifsAttrs |= FILE_ATTRIBUTE_SPARSE_FILE; | |
783 | else | |
784 | cifsi->cifsAttrs &= (~FILE_ATTRIBUTE_SPARSE_FILE); | |
785 | ||
786 | return true; | |
787 | } | |
788 | ||
789 | static int | |
790 | smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon, | |
791 | struct cifsFileInfo *cfile, __u64 size, bool set_alloc) | |
792 | { | |
793 | __le64 eof = cpu_to_le64(size); | |
794 | struct inode *inode; | |
795 | ||
796 | /* | |
797 | * If extending file more than one page make sparse. Many Linux fs | |
798 | * make files sparse by default when extending via ftruncate | |
799 | */ | |
800 | inode = d_inode(cfile->dentry); | |
801 | ||
802 | if (!set_alloc && (size > inode->i_size + 8192)) { | |
803 | __u8 set_sparse = 1; | |
804 | ||
805 | /* whether set sparse succeeds or not, extend the file */ | |
806 | smb2_set_sparse(xid, tcon, cfile, inode, set_sparse); | |
807 | } | |
808 | ||
809 | return SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid, | |
810 | cfile->fid.volatile_fid, cfile->pid, &eof, false); | |
811 | } | |
812 | ||
813 | static int | |
814 | smb2_duplicate_extents(const unsigned int xid, | |
815 | struct cifsFileInfo *srcfile, | |
816 | struct cifsFileInfo *trgtfile, u64 src_off, | |
817 | u64 len, u64 dest_off) | |
818 | { | |
819 | int rc; | |
820 | unsigned int ret_data_len; | |
821 | char *retbuf = NULL; | |
822 | struct duplicate_extents_to_file dup_ext_buf; | |
823 | struct cifs_tcon *tcon = tlink_tcon(trgtfile->tlink); | |
824 | ||
825 | /* server fileays advertise duplicate extent support with this flag */ | |
826 | if ((le32_to_cpu(tcon->fsAttrInfo.Attributes) & | |
827 | FILE_SUPPORTS_BLOCK_REFCOUNTING) == 0) | |
828 | return -EOPNOTSUPP; | |
829 | ||
830 | dup_ext_buf.VolatileFileHandle = srcfile->fid.volatile_fid; | |
831 | dup_ext_buf.PersistentFileHandle = srcfile->fid.persistent_fid; | |
832 | dup_ext_buf.SourceFileOffset = cpu_to_le64(src_off); | |
833 | dup_ext_buf.TargetFileOffset = cpu_to_le64(dest_off); | |
834 | dup_ext_buf.ByteCount = cpu_to_le64(len); | |
835 | cifs_dbg(FYI, "duplicate extents: src off %lld dst off %lld len %lld", | |
836 | src_off, dest_off, len); | |
837 | ||
838 | rc = smb2_set_file_size(xid, tcon, trgtfile, dest_off + len, false); | |
839 | if (rc) | |
840 | goto duplicate_extents_out; | |
841 | ||
842 | rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, | |
843 | trgtfile->fid.volatile_fid, | |
844 | FSCTL_DUPLICATE_EXTENTS_TO_FILE, | |
845 | true /* is_fsctl */, (char *)&dup_ext_buf, | |
846 | sizeof(struct duplicate_extents_to_file), | |
847 | (char **)&retbuf, | |
848 | &ret_data_len); | |
849 | ||
850 | if (ret_data_len > 0) | |
851 | cifs_dbg(FYI, "non-zero response length in duplicate extents"); | |
852 | ||
853 | duplicate_extents_out: | |
854 | return rc; | |
855 | } | |
856 | ||
857 | static int | |
858 | smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, | |
859 | struct cifsFileInfo *cfile) | |
860 | { | |
861 | return SMB2_set_compression(xid, tcon, cfile->fid.persistent_fid, | |
862 | cfile->fid.volatile_fid); | |
863 | } | |
864 | ||
865 | static int | |
866 | smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon, | |
867 | struct cifsFileInfo *cfile) | |
868 | { | |
869 | struct fsctl_set_integrity_information_req integr_info; | |
870 | char *retbuf = NULL; | |
871 | unsigned int ret_data_len; | |
872 | ||
873 | integr_info.ChecksumAlgorithm = cpu_to_le16(CHECKSUM_TYPE_UNCHANGED); | |
874 | integr_info.Flags = 0; | |
875 | integr_info.Reserved = 0; | |
876 | ||
877 | return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
878 | cfile->fid.volatile_fid, | |
879 | FSCTL_SET_INTEGRITY_INFORMATION, | |
880 | true /* is_fsctl */, (char *)&integr_info, | |
881 | sizeof(struct fsctl_set_integrity_information_req), | |
882 | (char **)&retbuf, | |
883 | &ret_data_len); | |
884 | ||
885 | } | |
886 | ||
887 | static int | |
888 | smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, | |
889 | const char *path, struct cifs_sb_info *cifs_sb, | |
890 | struct cifs_fid *fid, __u16 search_flags, | |
891 | struct cifs_search_info *srch_inf) | |
892 | { | |
893 | __le16 *utf16_path; | |
894 | int rc; | |
895 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
896 | struct cifs_open_parms oparms; | |
897 | ||
898 | utf16_path = cifs_convert_path_to_utf16(path, cifs_sb); | |
899 | if (!utf16_path) | |
900 | return -ENOMEM; | |
901 | ||
902 | oparms.tcon = tcon; | |
903 | oparms.desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA; | |
904 | oparms.disposition = FILE_OPEN; | |
905 | oparms.create_options = 0; | |
906 | oparms.fid = fid; | |
907 | oparms.reconnect = false; | |
908 | ||
909 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); | |
910 | kfree(utf16_path); | |
911 | if (rc) { | |
912 | cifs_dbg(VFS, "open dir failed\n"); | |
913 | return rc; | |
914 | } | |
915 | ||
916 | srch_inf->entries_in_buffer = 0; | |
917 | srch_inf->index_of_last_entry = 0; | |
918 | ||
919 | rc = SMB2_query_directory(xid, tcon, fid->persistent_fid, | |
920 | fid->volatile_fid, 0, srch_inf); | |
921 | if (rc) { | |
922 | cifs_dbg(VFS, "query directory failed\n"); | |
923 | SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
924 | } | |
925 | return rc; | |
926 | } | |
927 | ||
928 | static int | |
929 | smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon, | |
930 | struct cifs_fid *fid, __u16 search_flags, | |
931 | struct cifs_search_info *srch_inf) | |
932 | { | |
933 | return SMB2_query_directory(xid, tcon, fid->persistent_fid, | |
934 | fid->volatile_fid, 0, srch_inf); | |
935 | } | |
936 | ||
937 | static int | |
938 | smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon, | |
939 | struct cifs_fid *fid) | |
940 | { | |
941 | return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
942 | } | |
943 | ||
944 | /* | |
945 | * If we negotiate SMB2 protocol and get STATUS_PENDING - update | |
946 | * the number of credits and return true. Otherwise - return false. | |
947 | */ | |
948 | static bool | |
949 | smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length) | |
950 | { | |
951 | struct smb2_hdr *hdr = (struct smb2_hdr *)buf; | |
952 | ||
953 | if (hdr->Status != STATUS_PENDING) | |
954 | return false; | |
955 | ||
956 | if (!length) { | |
957 | spin_lock(&server->req_lock); | |
958 | server->credits += le16_to_cpu(hdr->CreditRequest); | |
959 | spin_unlock(&server->req_lock); | |
960 | wake_up(&server->request_q); | |
961 | } | |
962 | ||
963 | return true; | |
964 | } | |
965 | ||
966 | static int | |
967 | smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid, | |
968 | struct cifsInodeInfo *cinode) | |
969 | { | |
970 | if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING) | |
971 | return SMB2_lease_break(0, tcon, cinode->lease_key, | |
972 | smb2_get_lease_state(cinode)); | |
973 | ||
974 | return SMB2_oplock_break(0, tcon, fid->persistent_fid, | |
975 | fid->volatile_fid, | |
976 | CIFS_CACHE_READ(cinode) ? 1 : 0); | |
977 | } | |
978 | ||
979 | static int | |
980 | smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon, | |
981 | struct kstatfs *buf) | |
982 | { | |
983 | int rc; | |
984 | __le16 srch_path = 0; /* Null - open root of share */ | |
985 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
986 | struct cifs_open_parms oparms; | |
987 | struct cifs_fid fid; | |
988 | ||
989 | oparms.tcon = tcon; | |
990 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
991 | oparms.disposition = FILE_OPEN; | |
992 | oparms.create_options = 0; | |
993 | oparms.fid = &fid; | |
994 | oparms.reconnect = false; | |
995 | ||
996 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
997 | if (rc) | |
998 | return rc; | |
999 | buf->f_type = SMB2_MAGIC_NUMBER; | |
1000 | rc = SMB2_QFS_info(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
1001 | buf); | |
1002 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
1003 | return rc; | |
1004 | } | |
1005 | ||
1006 | static bool | |
1007 | smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2) | |
1008 | { | |
1009 | return ob1->fid.persistent_fid == ob2->fid.persistent_fid && | |
1010 | ob1->fid.volatile_fid == ob2->fid.volatile_fid; | |
1011 | } | |
1012 | ||
1013 | static int | |
1014 | smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset, | |
1015 | __u64 length, __u32 type, int lock, int unlock, bool wait) | |
1016 | { | |
1017 | if (unlock && !lock) | |
1018 | type = SMB2_LOCKFLAG_UNLOCK; | |
1019 | return SMB2_lock(xid, tlink_tcon(cfile->tlink), | |
1020 | cfile->fid.persistent_fid, cfile->fid.volatile_fid, | |
1021 | current->tgid, length, offset, type, wait); | |
1022 | } | |
1023 | ||
1024 | static void | |
1025 | smb2_get_lease_key(struct inode *inode, struct cifs_fid *fid) | |
1026 | { | |
1027 | memcpy(fid->lease_key, CIFS_I(inode)->lease_key, SMB2_LEASE_KEY_SIZE); | |
1028 | } | |
1029 | ||
1030 | static void | |
1031 | smb2_set_lease_key(struct inode *inode, struct cifs_fid *fid) | |
1032 | { | |
1033 | memcpy(CIFS_I(inode)->lease_key, fid->lease_key, SMB2_LEASE_KEY_SIZE); | |
1034 | } | |
1035 | ||
1036 | static void | |
1037 | smb2_new_lease_key(struct cifs_fid *fid) | |
1038 | { | |
1039 | get_random_bytes(fid->lease_key, SMB2_LEASE_KEY_SIZE); | |
1040 | } | |
1041 | ||
1042 | static int | |
1043 | smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, | |
1044 | const char *full_path, char **target_path, | |
1045 | struct cifs_sb_info *cifs_sb) | |
1046 | { | |
1047 | int rc; | |
1048 | __le16 *utf16_path; | |
1049 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
1050 | struct cifs_open_parms oparms; | |
1051 | struct cifs_fid fid; | |
1052 | struct smb2_err_rsp *err_buf = NULL; | |
1053 | struct smb2_symlink_err_rsp *symlink; | |
1054 | unsigned int sub_len, sub_offset; | |
1055 | ||
1056 | cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path); | |
1057 | ||
1058 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
1059 | if (!utf16_path) | |
1060 | return -ENOMEM; | |
1061 | ||
1062 | oparms.tcon = tcon; | |
1063 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
1064 | oparms.disposition = FILE_OPEN; | |
1065 | oparms.create_options = 0; | |
1066 | oparms.fid = &fid; | |
1067 | oparms.reconnect = false; | |
1068 | ||
1069 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, &err_buf); | |
1070 | ||
1071 | if (!rc || !err_buf) { | |
1072 | kfree(utf16_path); | |
1073 | return -ENOENT; | |
1074 | } | |
1075 | /* open must fail on symlink - reset rc */ | |
1076 | rc = 0; | |
1077 | symlink = (struct smb2_symlink_err_rsp *)err_buf->ErrorData; | |
1078 | sub_len = le16_to_cpu(symlink->SubstituteNameLength); | |
1079 | sub_offset = le16_to_cpu(symlink->SubstituteNameOffset); | |
1080 | *target_path = cifs_strndup_from_utf16( | |
1081 | (char *)symlink->PathBuffer + sub_offset, | |
1082 | sub_len, true, cifs_sb->local_nls); | |
1083 | if (!(*target_path)) { | |
1084 | kfree(utf16_path); | |
1085 | return -ENOMEM; | |
1086 | } | |
1087 | convert_delimiter(*target_path, '/'); | |
1088 | cifs_dbg(FYI, "%s: target path: %s\n", __func__, *target_path); | |
1089 | kfree(utf16_path); | |
1090 | return rc; | |
1091 | } | |
1092 | ||
1093 | static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon, | |
1094 | loff_t offset, loff_t len, bool keep_size) | |
1095 | { | |
1096 | struct inode *inode; | |
1097 | struct cifsInodeInfo *cifsi; | |
1098 | struct cifsFileInfo *cfile = file->private_data; | |
1099 | struct file_zero_data_information fsctl_buf; | |
1100 | long rc; | |
1101 | unsigned int xid; | |
1102 | ||
1103 | xid = get_xid(); | |
1104 | ||
1105 | inode = d_inode(cfile->dentry); | |
1106 | cifsi = CIFS_I(inode); | |
1107 | ||
1108 | /* if file not oplocked can't be sure whether asking to extend size */ | |
1109 | if (!CIFS_CACHE_READ(cifsi)) | |
1110 | if (keep_size == false) | |
1111 | return -EOPNOTSUPP; | |
1112 | ||
1113 | /* | |
1114 | * Must check if file sparse since fallocate -z (zero range) assumes | |
1115 | * non-sparse allocation | |
1116 | */ | |
1117 | if (!(cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE)) | |
1118 | return -EOPNOTSUPP; | |
1119 | ||
1120 | /* | |
1121 | * need to make sure we are not asked to extend the file since the SMB3 | |
1122 | * fsctl does not change the file size. In the future we could change | |
1123 | * this to zero the first part of the range then set the file size | |
1124 | * which for a non sparse file would zero the newly extended range | |
1125 | */ | |
1126 | if (keep_size == false) | |
1127 | if (i_size_read(inode) < offset + len) | |
1128 | return -EOPNOTSUPP; | |
1129 | ||
1130 | cifs_dbg(FYI, "offset %lld len %lld", offset, len); | |
1131 | ||
1132 | fsctl_buf.FileOffset = cpu_to_le64(offset); | |
1133 | fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len); | |
1134 | ||
1135 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
1136 | cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, | |
1137 | true /* is_fctl */, (char *)&fsctl_buf, | |
1138 | sizeof(struct file_zero_data_information), NULL, NULL); | |
1139 | free_xid(xid); | |
1140 | return rc; | |
1141 | } | |
1142 | ||
1143 | static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon, | |
1144 | loff_t offset, loff_t len) | |
1145 | { | |
1146 | struct inode *inode; | |
1147 | struct cifsInodeInfo *cifsi; | |
1148 | struct cifsFileInfo *cfile = file->private_data; | |
1149 | struct file_zero_data_information fsctl_buf; | |
1150 | long rc; | |
1151 | unsigned int xid; | |
1152 | __u8 set_sparse = 1; | |
1153 | ||
1154 | xid = get_xid(); | |
1155 | ||
1156 | inode = d_inode(cfile->dentry); | |
1157 | cifsi = CIFS_I(inode); | |
1158 | ||
1159 | /* Need to make file sparse, if not already, before freeing range. */ | |
1160 | /* Consider adding equivalent for compressed since it could also work */ | |
1161 | if (!smb2_set_sparse(xid, tcon, cfile, inode, set_sparse)) | |
1162 | return -EOPNOTSUPP; | |
1163 | ||
1164 | cifs_dbg(FYI, "offset %lld len %lld", offset, len); | |
1165 | ||
1166 | fsctl_buf.FileOffset = cpu_to_le64(offset); | |
1167 | fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len); | |
1168 | ||
1169 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
1170 | cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, | |
1171 | true /* is_fctl */, (char *)&fsctl_buf, | |
1172 | sizeof(struct file_zero_data_information), NULL, NULL); | |
1173 | free_xid(xid); | |
1174 | return rc; | |
1175 | } | |
1176 | ||
1177 | static long smb3_simple_falloc(struct file *file, struct cifs_tcon *tcon, | |
1178 | loff_t off, loff_t len, bool keep_size) | |
1179 | { | |
1180 | struct inode *inode; | |
1181 | struct cifsInodeInfo *cifsi; | |
1182 | struct cifsFileInfo *cfile = file->private_data; | |
1183 | long rc = -EOPNOTSUPP; | |
1184 | unsigned int xid; | |
1185 | ||
1186 | xid = get_xid(); | |
1187 | ||
1188 | inode = d_inode(cfile->dentry); | |
1189 | cifsi = CIFS_I(inode); | |
1190 | ||
1191 | /* if file not oplocked can't be sure whether asking to extend size */ | |
1192 | if (!CIFS_CACHE_READ(cifsi)) | |
1193 | if (keep_size == false) | |
1194 | return -EOPNOTSUPP; | |
1195 | ||
1196 | /* | |
1197 | * Files are non-sparse by default so falloc may be a no-op | |
1198 | * Must check if file sparse. If not sparse, and not extending | |
1199 | * then no need to do anything since file already allocated | |
1200 | */ | |
1201 | if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) == 0) { | |
1202 | if (keep_size == true) | |
1203 | return 0; | |
1204 | /* check if extending file */ | |
1205 | else if (i_size_read(inode) >= off + len) | |
1206 | /* not extending file and already not sparse */ | |
1207 | return 0; | |
1208 | /* BB: in future add else clause to extend file */ | |
1209 | else | |
1210 | return -EOPNOTSUPP; | |
1211 | } | |
1212 | ||
1213 | if ((keep_size == true) || (i_size_read(inode) >= off + len)) { | |
1214 | /* | |
1215 | * Check if falloc starts within first few pages of file | |
1216 | * and ends within a few pages of the end of file to | |
1217 | * ensure that most of file is being forced to be | |
1218 | * fallocated now. If so then setting whole file sparse | |
1219 | * ie potentially making a few extra pages at the beginning | |
1220 | * or end of the file non-sparse via set_sparse is harmless. | |
1221 | */ | |
1222 | if ((off > 8192) || (off + len + 8192 < i_size_read(inode))) | |
1223 | return -EOPNOTSUPP; | |
1224 | ||
1225 | rc = smb2_set_sparse(xid, tcon, cfile, inode, false); | |
1226 | } | |
1227 | /* BB: else ... in future add code to extend file and set sparse */ | |
1228 | ||
1229 | ||
1230 | free_xid(xid); | |
1231 | return rc; | |
1232 | } | |
1233 | ||
1234 | ||
1235 | static long smb3_fallocate(struct file *file, struct cifs_tcon *tcon, int mode, | |
1236 | loff_t off, loff_t len) | |
1237 | { | |
1238 | /* KEEP_SIZE already checked for by do_fallocate */ | |
1239 | if (mode & FALLOC_FL_PUNCH_HOLE) | |
1240 | return smb3_punch_hole(file, tcon, off, len); | |
1241 | else if (mode & FALLOC_FL_ZERO_RANGE) { | |
1242 | if (mode & FALLOC_FL_KEEP_SIZE) | |
1243 | return smb3_zero_range(file, tcon, off, len, true); | |
1244 | return smb3_zero_range(file, tcon, off, len, false); | |
1245 | } else if (mode == FALLOC_FL_KEEP_SIZE) | |
1246 | return smb3_simple_falloc(file, tcon, off, len, true); | |
1247 | else if (mode == 0) | |
1248 | return smb3_simple_falloc(file, tcon, off, len, false); | |
1249 | ||
1250 | return -EOPNOTSUPP; | |
1251 | } | |
1252 | ||
1253 | static void | |
1254 | smb2_downgrade_oplock(struct TCP_Server_Info *server, | |
1255 | struct cifsInodeInfo *cinode, bool set_level2) | |
1256 | { | |
1257 | if (set_level2) | |
1258 | server->ops->set_oplock_level(cinode, SMB2_OPLOCK_LEVEL_II, | |
1259 | 0, NULL); | |
1260 | else | |
1261 | server->ops->set_oplock_level(cinode, 0, 0, NULL); | |
1262 | } | |
1263 | ||
1264 | static void | |
1265 | smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, | |
1266 | unsigned int epoch, bool *purge_cache) | |
1267 | { | |
1268 | oplock &= 0xFF; | |
1269 | if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE) | |
1270 | return; | |
1271 | if (oplock == SMB2_OPLOCK_LEVEL_BATCH) { | |
1272 | cinode->oplock = CIFS_CACHE_RHW_FLG; | |
1273 | cifs_dbg(FYI, "Batch Oplock granted on inode %p\n", | |
1274 | &cinode->vfs_inode); | |
1275 | } else if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) { | |
1276 | cinode->oplock = CIFS_CACHE_RW_FLG; | |
1277 | cifs_dbg(FYI, "Exclusive Oplock granted on inode %p\n", | |
1278 | &cinode->vfs_inode); | |
1279 | } else if (oplock == SMB2_OPLOCK_LEVEL_II) { | |
1280 | cinode->oplock = CIFS_CACHE_READ_FLG; | |
1281 | cifs_dbg(FYI, "Level II Oplock granted on inode %p\n", | |
1282 | &cinode->vfs_inode); | |
1283 | } else | |
1284 | cinode->oplock = 0; | |
1285 | } | |
1286 | ||
1287 | static void | |
1288 | smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, | |
1289 | unsigned int epoch, bool *purge_cache) | |
1290 | { | |
1291 | char message[5] = {0}; | |
1292 | ||
1293 | oplock &= 0xFF; | |
1294 | if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE) | |
1295 | return; | |
1296 | ||
1297 | cinode->oplock = 0; | |
1298 | if (oplock & SMB2_LEASE_READ_CACHING_HE) { | |
1299 | cinode->oplock |= CIFS_CACHE_READ_FLG; | |
1300 | strcat(message, "R"); | |
1301 | } | |
1302 | if (oplock & SMB2_LEASE_HANDLE_CACHING_HE) { | |
1303 | cinode->oplock |= CIFS_CACHE_HANDLE_FLG; | |
1304 | strcat(message, "H"); | |
1305 | } | |
1306 | if (oplock & SMB2_LEASE_WRITE_CACHING_HE) { | |
1307 | cinode->oplock |= CIFS_CACHE_WRITE_FLG; | |
1308 | strcat(message, "W"); | |
1309 | } | |
1310 | if (!cinode->oplock) | |
1311 | strcat(message, "None"); | |
1312 | cifs_dbg(FYI, "%s Lease granted on inode %p\n", message, | |
1313 | &cinode->vfs_inode); | |
1314 | } | |
1315 | ||
1316 | static void | |
1317 | smb3_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, | |
1318 | unsigned int epoch, bool *purge_cache) | |
1319 | { | |
1320 | unsigned int old_oplock = cinode->oplock; | |
1321 | ||
1322 | smb21_set_oplock_level(cinode, oplock, epoch, purge_cache); | |
1323 | ||
1324 | if (purge_cache) { | |
1325 | *purge_cache = false; | |
1326 | if (old_oplock == CIFS_CACHE_READ_FLG) { | |
1327 | if (cinode->oplock == CIFS_CACHE_READ_FLG && | |
1328 | (epoch - cinode->epoch > 0)) | |
1329 | *purge_cache = true; | |
1330 | else if (cinode->oplock == CIFS_CACHE_RH_FLG && | |
1331 | (epoch - cinode->epoch > 1)) | |
1332 | *purge_cache = true; | |
1333 | else if (cinode->oplock == CIFS_CACHE_RHW_FLG && | |
1334 | (epoch - cinode->epoch > 1)) | |
1335 | *purge_cache = true; | |
1336 | else if (cinode->oplock == 0 && | |
1337 | (epoch - cinode->epoch > 0)) | |
1338 | *purge_cache = true; | |
1339 | } else if (old_oplock == CIFS_CACHE_RH_FLG) { | |
1340 | if (cinode->oplock == CIFS_CACHE_RH_FLG && | |
1341 | (epoch - cinode->epoch > 0)) | |
1342 | *purge_cache = true; | |
1343 | else if (cinode->oplock == CIFS_CACHE_RHW_FLG && | |
1344 | (epoch - cinode->epoch > 1)) | |
1345 | *purge_cache = true; | |
1346 | } | |
1347 | cinode->epoch = epoch; | |
1348 | } | |
1349 | } | |
1350 | ||
1351 | static bool | |
1352 | smb2_is_read_op(__u32 oplock) | |
1353 | { | |
1354 | return oplock == SMB2_OPLOCK_LEVEL_II; | |
1355 | } | |
1356 | ||
1357 | static bool | |
1358 | smb21_is_read_op(__u32 oplock) | |
1359 | { | |
1360 | return (oplock & SMB2_LEASE_READ_CACHING_HE) && | |
1361 | !(oplock & SMB2_LEASE_WRITE_CACHING_HE); | |
1362 | } | |
1363 | ||
1364 | static __le32 | |
1365 | map_oplock_to_lease(u8 oplock) | |
1366 | { | |
1367 | if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) | |
1368 | return SMB2_LEASE_WRITE_CACHING | SMB2_LEASE_READ_CACHING; | |
1369 | else if (oplock == SMB2_OPLOCK_LEVEL_II) | |
1370 | return SMB2_LEASE_READ_CACHING; | |
1371 | else if (oplock == SMB2_OPLOCK_LEVEL_BATCH) | |
1372 | return SMB2_LEASE_HANDLE_CACHING | SMB2_LEASE_READ_CACHING | | |
1373 | SMB2_LEASE_WRITE_CACHING; | |
1374 | return 0; | |
1375 | } | |
1376 | ||
1377 | static char * | |
1378 | smb2_create_lease_buf(u8 *lease_key, u8 oplock) | |
1379 | { | |
1380 | struct create_lease *buf; | |
1381 | ||
1382 | buf = kzalloc(sizeof(struct create_lease), GFP_KERNEL); | |
1383 | if (!buf) | |
1384 | return NULL; | |
1385 | ||
1386 | buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); | |
1387 | buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); | |
1388 | buf->lcontext.LeaseState = map_oplock_to_lease(oplock); | |
1389 | ||
1390 | buf->ccontext.DataOffset = cpu_to_le16(offsetof | |
1391 | (struct create_lease, lcontext)); | |
1392 | buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context)); | |
1393 | buf->ccontext.NameOffset = cpu_to_le16(offsetof | |
1394 | (struct create_lease, Name)); | |
1395 | buf->ccontext.NameLength = cpu_to_le16(4); | |
1396 | /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */ | |
1397 | buf->Name[0] = 'R'; | |
1398 | buf->Name[1] = 'q'; | |
1399 | buf->Name[2] = 'L'; | |
1400 | buf->Name[3] = 's'; | |
1401 | return (char *)buf; | |
1402 | } | |
1403 | ||
1404 | static char * | |
1405 | smb3_create_lease_buf(u8 *lease_key, u8 oplock) | |
1406 | { | |
1407 | struct create_lease_v2 *buf; | |
1408 | ||
1409 | buf = kzalloc(sizeof(struct create_lease_v2), GFP_KERNEL); | |
1410 | if (!buf) | |
1411 | return NULL; | |
1412 | ||
1413 | buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); | |
1414 | buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); | |
1415 | buf->lcontext.LeaseState = map_oplock_to_lease(oplock); | |
1416 | ||
1417 | buf->ccontext.DataOffset = cpu_to_le16(offsetof | |
1418 | (struct create_lease_v2, lcontext)); | |
1419 | buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context_v2)); | |
1420 | buf->ccontext.NameOffset = cpu_to_le16(offsetof | |
1421 | (struct create_lease_v2, Name)); | |
1422 | buf->ccontext.NameLength = cpu_to_le16(4); | |
1423 | /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */ | |
1424 | buf->Name[0] = 'R'; | |
1425 | buf->Name[1] = 'q'; | |
1426 | buf->Name[2] = 'L'; | |
1427 | buf->Name[3] = 's'; | |
1428 | return (char *)buf; | |
1429 | } | |
1430 | ||
1431 | static __u8 | |
1432 | smb2_parse_lease_buf(void *buf, unsigned int *epoch) | |
1433 | { | |
1434 | struct create_lease *lc = (struct create_lease *)buf; | |
1435 | ||
1436 | *epoch = 0; /* not used */ | |
1437 | if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS) | |
1438 | return SMB2_OPLOCK_LEVEL_NOCHANGE; | |
1439 | return le32_to_cpu(lc->lcontext.LeaseState); | |
1440 | } | |
1441 | ||
1442 | static __u8 | |
1443 | smb3_parse_lease_buf(void *buf, unsigned int *epoch) | |
1444 | { | |
1445 | struct create_lease_v2 *lc = (struct create_lease_v2 *)buf; | |
1446 | ||
1447 | *epoch = le16_to_cpu(lc->lcontext.Epoch); | |
1448 | if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS) | |
1449 | return SMB2_OPLOCK_LEVEL_NOCHANGE; | |
1450 | return le32_to_cpu(lc->lcontext.LeaseState); | |
1451 | } | |
1452 | ||
1453 | static unsigned int | |
1454 | smb2_wp_retry_size(struct inode *inode) | |
1455 | { | |
1456 | return min_t(unsigned int, CIFS_SB(inode->i_sb)->wsize, | |
1457 | SMB2_MAX_BUFFER_SIZE); | |
1458 | } | |
1459 | ||
1460 | static bool | |
1461 | smb2_dir_needs_close(struct cifsFileInfo *cfile) | |
1462 | { | |
1463 | return !cfile->invalidHandle; | |
1464 | } | |
1465 | ||
1466 | struct smb_version_operations smb20_operations = { | |
1467 | .compare_fids = smb2_compare_fids, | |
1468 | .setup_request = smb2_setup_request, | |
1469 | .setup_async_request = smb2_setup_async_request, | |
1470 | .check_receive = smb2_check_receive, | |
1471 | .add_credits = smb2_add_credits, | |
1472 | .set_credits = smb2_set_credits, | |
1473 | .get_credits_field = smb2_get_credits_field, | |
1474 | .get_credits = smb2_get_credits, | |
1475 | .wait_mtu_credits = cifs_wait_mtu_credits, | |
1476 | .get_next_mid = smb2_get_next_mid, | |
1477 | .read_data_offset = smb2_read_data_offset, | |
1478 | .read_data_length = smb2_read_data_length, | |
1479 | .map_error = map_smb2_to_linux_error, | |
1480 | .find_mid = smb2_find_mid, | |
1481 | .check_message = smb2_check_message, | |
1482 | .dump_detail = smb2_dump_detail, | |
1483 | .clear_stats = smb2_clear_stats, | |
1484 | .print_stats = smb2_print_stats, | |
1485 | .is_oplock_break = smb2_is_valid_oplock_break, | |
1486 | .downgrade_oplock = smb2_downgrade_oplock, | |
1487 | .need_neg = smb2_need_neg, | |
1488 | .negotiate = smb2_negotiate, | |
1489 | .negotiate_wsize = smb2_negotiate_wsize, | |
1490 | .negotiate_rsize = smb2_negotiate_rsize, | |
1491 | .sess_setup = SMB2_sess_setup, | |
1492 | .logoff = SMB2_logoff, | |
1493 | .tree_connect = SMB2_tcon, | |
1494 | .tree_disconnect = SMB2_tdis, | |
1495 | .qfs_tcon = smb2_qfs_tcon, | |
1496 | .is_path_accessible = smb2_is_path_accessible, | |
1497 | .can_echo = smb2_can_echo, | |
1498 | .echo = SMB2_echo, | |
1499 | .query_path_info = smb2_query_path_info, | |
1500 | .get_srv_inum = smb2_get_srv_inum, | |
1501 | .query_file_info = smb2_query_file_info, | |
1502 | .set_path_size = smb2_set_path_size, | |
1503 | .set_file_size = smb2_set_file_size, | |
1504 | .set_file_info = smb2_set_file_info, | |
1505 | .set_compression = smb2_set_compression, | |
1506 | .mkdir = smb2_mkdir, | |
1507 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1508 | .rmdir = smb2_rmdir, | |
1509 | .unlink = smb2_unlink, | |
1510 | .rename = smb2_rename_path, | |
1511 | .create_hardlink = smb2_create_hardlink, | |
1512 | .query_symlink = smb2_query_symlink, | |
1513 | .open = smb2_open_file, | |
1514 | .set_fid = smb2_set_fid, | |
1515 | .close = smb2_close_file, | |
1516 | .flush = smb2_flush_file, | |
1517 | .async_readv = smb2_async_readv, | |
1518 | .async_writev = smb2_async_writev, | |
1519 | .sync_read = smb2_sync_read, | |
1520 | .sync_write = smb2_sync_write, | |
1521 | .query_dir_first = smb2_query_dir_first, | |
1522 | .query_dir_next = smb2_query_dir_next, | |
1523 | .close_dir = smb2_close_dir, | |
1524 | .calc_smb_size = smb2_calc_size, | |
1525 | .is_status_pending = smb2_is_status_pending, | |
1526 | .oplock_response = smb2_oplock_response, | |
1527 | .queryfs = smb2_queryfs, | |
1528 | .mand_lock = smb2_mand_lock, | |
1529 | .mand_unlock_range = smb2_unlock_range, | |
1530 | .push_mand_locks = smb2_push_mandatory_locks, | |
1531 | .get_lease_key = smb2_get_lease_key, | |
1532 | .set_lease_key = smb2_set_lease_key, | |
1533 | .new_lease_key = smb2_new_lease_key, | |
1534 | .calc_signature = smb2_calc_signature, | |
1535 | .is_read_op = smb2_is_read_op, | |
1536 | .set_oplock_level = smb2_set_oplock_level, | |
1537 | .create_lease_buf = smb2_create_lease_buf, | |
1538 | .parse_lease_buf = smb2_parse_lease_buf, | |
1539 | .clone_range = smb2_clone_range, | |
1540 | .wp_retry_size = smb2_wp_retry_size, | |
1541 | .dir_needs_close = smb2_dir_needs_close, | |
1542 | }; | |
1543 | ||
1544 | struct smb_version_operations smb21_operations = { | |
1545 | .compare_fids = smb2_compare_fids, | |
1546 | .setup_request = smb2_setup_request, | |
1547 | .setup_async_request = smb2_setup_async_request, | |
1548 | .check_receive = smb2_check_receive, | |
1549 | .add_credits = smb2_add_credits, | |
1550 | .set_credits = smb2_set_credits, | |
1551 | .get_credits_field = smb2_get_credits_field, | |
1552 | .get_credits = smb2_get_credits, | |
1553 | .wait_mtu_credits = smb2_wait_mtu_credits, | |
1554 | .get_next_mid = smb2_get_next_mid, | |
1555 | .read_data_offset = smb2_read_data_offset, | |
1556 | .read_data_length = smb2_read_data_length, | |
1557 | .map_error = map_smb2_to_linux_error, | |
1558 | .find_mid = smb2_find_mid, | |
1559 | .check_message = smb2_check_message, | |
1560 | .dump_detail = smb2_dump_detail, | |
1561 | .clear_stats = smb2_clear_stats, | |
1562 | .print_stats = smb2_print_stats, | |
1563 | .is_oplock_break = smb2_is_valid_oplock_break, | |
1564 | .downgrade_oplock = smb2_downgrade_oplock, | |
1565 | .need_neg = smb2_need_neg, | |
1566 | .negotiate = smb2_negotiate, | |
1567 | .negotiate_wsize = smb2_negotiate_wsize, | |
1568 | .negotiate_rsize = smb2_negotiate_rsize, | |
1569 | .sess_setup = SMB2_sess_setup, | |
1570 | .logoff = SMB2_logoff, | |
1571 | .tree_connect = SMB2_tcon, | |
1572 | .tree_disconnect = SMB2_tdis, | |
1573 | .qfs_tcon = smb2_qfs_tcon, | |
1574 | .is_path_accessible = smb2_is_path_accessible, | |
1575 | .can_echo = smb2_can_echo, | |
1576 | .echo = SMB2_echo, | |
1577 | .query_path_info = smb2_query_path_info, | |
1578 | .get_srv_inum = smb2_get_srv_inum, | |
1579 | .query_file_info = smb2_query_file_info, | |
1580 | .set_path_size = smb2_set_path_size, | |
1581 | .set_file_size = smb2_set_file_size, | |
1582 | .set_file_info = smb2_set_file_info, | |
1583 | .set_compression = smb2_set_compression, | |
1584 | .mkdir = smb2_mkdir, | |
1585 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1586 | .rmdir = smb2_rmdir, | |
1587 | .unlink = smb2_unlink, | |
1588 | .rename = smb2_rename_path, | |
1589 | .create_hardlink = smb2_create_hardlink, | |
1590 | .query_symlink = smb2_query_symlink, | |
1591 | .query_mf_symlink = smb3_query_mf_symlink, | |
1592 | .create_mf_symlink = smb3_create_mf_symlink, | |
1593 | .open = smb2_open_file, | |
1594 | .set_fid = smb2_set_fid, | |
1595 | .close = smb2_close_file, | |
1596 | .flush = smb2_flush_file, | |
1597 | .async_readv = smb2_async_readv, | |
1598 | .async_writev = smb2_async_writev, | |
1599 | .sync_read = smb2_sync_read, | |
1600 | .sync_write = smb2_sync_write, | |
1601 | .query_dir_first = smb2_query_dir_first, | |
1602 | .query_dir_next = smb2_query_dir_next, | |
1603 | .close_dir = smb2_close_dir, | |
1604 | .calc_smb_size = smb2_calc_size, | |
1605 | .is_status_pending = smb2_is_status_pending, | |
1606 | .oplock_response = smb2_oplock_response, | |
1607 | .queryfs = smb2_queryfs, | |
1608 | .mand_lock = smb2_mand_lock, | |
1609 | .mand_unlock_range = smb2_unlock_range, | |
1610 | .push_mand_locks = smb2_push_mandatory_locks, | |
1611 | .get_lease_key = smb2_get_lease_key, | |
1612 | .set_lease_key = smb2_set_lease_key, | |
1613 | .new_lease_key = smb2_new_lease_key, | |
1614 | .calc_signature = smb2_calc_signature, | |
1615 | .is_read_op = smb21_is_read_op, | |
1616 | .set_oplock_level = smb21_set_oplock_level, | |
1617 | .create_lease_buf = smb2_create_lease_buf, | |
1618 | .parse_lease_buf = smb2_parse_lease_buf, | |
1619 | .clone_range = smb2_clone_range, | |
1620 | .wp_retry_size = smb2_wp_retry_size, | |
1621 | .dir_needs_close = smb2_dir_needs_close, | |
1622 | }; | |
1623 | ||
1624 | struct smb_version_operations smb30_operations = { | |
1625 | .compare_fids = smb2_compare_fids, | |
1626 | .setup_request = smb2_setup_request, | |
1627 | .setup_async_request = smb2_setup_async_request, | |
1628 | .check_receive = smb2_check_receive, | |
1629 | .add_credits = smb2_add_credits, | |
1630 | .set_credits = smb2_set_credits, | |
1631 | .get_credits_field = smb2_get_credits_field, | |
1632 | .get_credits = smb2_get_credits, | |
1633 | .wait_mtu_credits = smb2_wait_mtu_credits, | |
1634 | .get_next_mid = smb2_get_next_mid, | |
1635 | .read_data_offset = smb2_read_data_offset, | |
1636 | .read_data_length = smb2_read_data_length, | |
1637 | .map_error = map_smb2_to_linux_error, | |
1638 | .find_mid = smb2_find_mid, | |
1639 | .check_message = smb2_check_message, | |
1640 | .dump_detail = smb2_dump_detail, | |
1641 | .clear_stats = smb2_clear_stats, | |
1642 | .print_stats = smb2_print_stats, | |
1643 | .dump_share_caps = smb2_dump_share_caps, | |
1644 | .is_oplock_break = smb2_is_valid_oplock_break, | |
1645 | .downgrade_oplock = smb2_downgrade_oplock, | |
1646 | .need_neg = smb2_need_neg, | |
1647 | .negotiate = smb2_negotiate, | |
1648 | .negotiate_wsize = smb2_negotiate_wsize, | |
1649 | .negotiate_rsize = smb2_negotiate_rsize, | |
1650 | .sess_setup = SMB2_sess_setup, | |
1651 | .logoff = SMB2_logoff, | |
1652 | .tree_connect = SMB2_tcon, | |
1653 | .tree_disconnect = SMB2_tdis, | |
1654 | .qfs_tcon = smb3_qfs_tcon, | |
1655 | .is_path_accessible = smb2_is_path_accessible, | |
1656 | .can_echo = smb2_can_echo, | |
1657 | .echo = SMB2_echo, | |
1658 | .query_path_info = smb2_query_path_info, | |
1659 | .get_srv_inum = smb2_get_srv_inum, | |
1660 | .query_file_info = smb2_query_file_info, | |
1661 | .set_path_size = smb2_set_path_size, | |
1662 | .set_file_size = smb2_set_file_size, | |
1663 | .set_file_info = smb2_set_file_info, | |
1664 | .set_compression = smb2_set_compression, | |
1665 | .mkdir = smb2_mkdir, | |
1666 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1667 | .rmdir = smb2_rmdir, | |
1668 | .unlink = smb2_unlink, | |
1669 | .rename = smb2_rename_path, | |
1670 | .create_hardlink = smb2_create_hardlink, | |
1671 | .query_symlink = smb2_query_symlink, | |
1672 | .query_mf_symlink = smb3_query_mf_symlink, | |
1673 | .create_mf_symlink = smb3_create_mf_symlink, | |
1674 | .open = smb2_open_file, | |
1675 | .set_fid = smb2_set_fid, | |
1676 | .close = smb2_close_file, | |
1677 | .flush = smb2_flush_file, | |
1678 | .async_readv = smb2_async_readv, | |
1679 | .async_writev = smb2_async_writev, | |
1680 | .sync_read = smb2_sync_read, | |
1681 | .sync_write = smb2_sync_write, | |
1682 | .query_dir_first = smb2_query_dir_first, | |
1683 | .query_dir_next = smb2_query_dir_next, | |
1684 | .close_dir = smb2_close_dir, | |
1685 | .calc_smb_size = smb2_calc_size, | |
1686 | .is_status_pending = smb2_is_status_pending, | |
1687 | .oplock_response = smb2_oplock_response, | |
1688 | .queryfs = smb2_queryfs, | |
1689 | .mand_lock = smb2_mand_lock, | |
1690 | .mand_unlock_range = smb2_unlock_range, | |
1691 | .push_mand_locks = smb2_push_mandatory_locks, | |
1692 | .get_lease_key = smb2_get_lease_key, | |
1693 | .set_lease_key = smb2_set_lease_key, | |
1694 | .new_lease_key = smb2_new_lease_key, | |
1695 | .generate_signingkey = generate_smb3signingkey, | |
1696 | .calc_signature = smb3_calc_signature, | |
1697 | .set_integrity = smb3_set_integrity, | |
1698 | .is_read_op = smb21_is_read_op, | |
1699 | .set_oplock_level = smb3_set_oplock_level, | |
1700 | .create_lease_buf = smb3_create_lease_buf, | |
1701 | .parse_lease_buf = smb3_parse_lease_buf, | |
1702 | .clone_range = smb2_clone_range, | |
1703 | .duplicate_extents = smb2_duplicate_extents, | |
1704 | .validate_negotiate = smb3_validate_negotiate, | |
1705 | .wp_retry_size = smb2_wp_retry_size, | |
1706 | .dir_needs_close = smb2_dir_needs_close, | |
1707 | .fallocate = smb3_fallocate, | |
1708 | }; | |
1709 | ||
1710 | #ifdef CONFIG_CIFS_SMB311 | |
1711 | struct smb_version_operations smb311_operations = { | |
1712 | .compare_fids = smb2_compare_fids, | |
1713 | .setup_request = smb2_setup_request, | |
1714 | .setup_async_request = smb2_setup_async_request, | |
1715 | .check_receive = smb2_check_receive, | |
1716 | .add_credits = smb2_add_credits, | |
1717 | .set_credits = smb2_set_credits, | |
1718 | .get_credits_field = smb2_get_credits_field, | |
1719 | .get_credits = smb2_get_credits, | |
1720 | .wait_mtu_credits = smb2_wait_mtu_credits, | |
1721 | .get_next_mid = smb2_get_next_mid, | |
1722 | .read_data_offset = smb2_read_data_offset, | |
1723 | .read_data_length = smb2_read_data_length, | |
1724 | .map_error = map_smb2_to_linux_error, | |
1725 | .find_mid = smb2_find_mid, | |
1726 | .check_message = smb2_check_message, | |
1727 | .dump_detail = smb2_dump_detail, | |
1728 | .clear_stats = smb2_clear_stats, | |
1729 | .print_stats = smb2_print_stats, | |
1730 | .dump_share_caps = smb2_dump_share_caps, | |
1731 | .is_oplock_break = smb2_is_valid_oplock_break, | |
1732 | .downgrade_oplock = smb2_downgrade_oplock, | |
1733 | .need_neg = smb2_need_neg, | |
1734 | .negotiate = smb2_negotiate, | |
1735 | .negotiate_wsize = smb2_negotiate_wsize, | |
1736 | .negotiate_rsize = smb2_negotiate_rsize, | |
1737 | .sess_setup = SMB2_sess_setup, | |
1738 | .logoff = SMB2_logoff, | |
1739 | .tree_connect = SMB2_tcon, | |
1740 | .tree_disconnect = SMB2_tdis, | |
1741 | .qfs_tcon = smb3_qfs_tcon, | |
1742 | .is_path_accessible = smb2_is_path_accessible, | |
1743 | .can_echo = smb2_can_echo, | |
1744 | .echo = SMB2_echo, | |
1745 | .query_path_info = smb2_query_path_info, | |
1746 | .get_srv_inum = smb2_get_srv_inum, | |
1747 | .query_file_info = smb2_query_file_info, | |
1748 | .set_path_size = smb2_set_path_size, | |
1749 | .set_file_size = smb2_set_file_size, | |
1750 | .set_file_info = smb2_set_file_info, | |
1751 | .set_compression = smb2_set_compression, | |
1752 | .mkdir = smb2_mkdir, | |
1753 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1754 | .rmdir = smb2_rmdir, | |
1755 | .unlink = smb2_unlink, | |
1756 | .rename = smb2_rename_path, | |
1757 | .create_hardlink = smb2_create_hardlink, | |
1758 | .query_symlink = smb2_query_symlink, | |
1759 | .query_mf_symlink = smb3_query_mf_symlink, | |
1760 | .create_mf_symlink = smb3_create_mf_symlink, | |
1761 | .open = smb2_open_file, | |
1762 | .set_fid = smb2_set_fid, | |
1763 | .close = smb2_close_file, | |
1764 | .flush = smb2_flush_file, | |
1765 | .async_readv = smb2_async_readv, | |
1766 | .async_writev = smb2_async_writev, | |
1767 | .sync_read = smb2_sync_read, | |
1768 | .sync_write = smb2_sync_write, | |
1769 | .query_dir_first = smb2_query_dir_first, | |
1770 | .query_dir_next = smb2_query_dir_next, | |
1771 | .close_dir = smb2_close_dir, | |
1772 | .calc_smb_size = smb2_calc_size, | |
1773 | .is_status_pending = smb2_is_status_pending, | |
1774 | .oplock_response = smb2_oplock_response, | |
1775 | .queryfs = smb2_queryfs, | |
1776 | .mand_lock = smb2_mand_lock, | |
1777 | .mand_unlock_range = smb2_unlock_range, | |
1778 | .push_mand_locks = smb2_push_mandatory_locks, | |
1779 | .get_lease_key = smb2_get_lease_key, | |
1780 | .set_lease_key = smb2_set_lease_key, | |
1781 | .new_lease_key = smb2_new_lease_key, | |
1782 | .generate_signingkey = generate_smb3signingkey, | |
1783 | .calc_signature = smb3_calc_signature, | |
1784 | .set_integrity = smb3_set_integrity, | |
1785 | .is_read_op = smb21_is_read_op, | |
1786 | .set_oplock_level = smb3_set_oplock_level, | |
1787 | .create_lease_buf = smb3_create_lease_buf, | |
1788 | .parse_lease_buf = smb3_parse_lease_buf, | |
1789 | .clone_range = smb2_clone_range, | |
1790 | .duplicate_extents = smb2_duplicate_extents, | |
1791 | /* .validate_negotiate = smb3_validate_negotiate, */ /* not used in 3.11 */ | |
1792 | .wp_retry_size = smb2_wp_retry_size, | |
1793 | .dir_needs_close = smb2_dir_needs_close, | |
1794 | .fallocate = smb3_fallocate, | |
1795 | }; | |
1796 | #endif /* CIFS_SMB311 */ | |
1797 | ||
1798 | struct smb_version_values smb20_values = { | |
1799 | .version_string = SMB20_VERSION_STRING, | |
1800 | .protocol_id = SMB20_PROT_ID, | |
1801 | .req_capabilities = 0, /* MBZ */ | |
1802 | .large_lock_type = 0, | |
1803 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1804 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1805 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1806 | .header_size = sizeof(struct smb2_hdr), | |
1807 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1808 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1809 | .lock_cmd = SMB2_LOCK, | |
1810 | .cap_unix = 0, | |
1811 | .cap_nt_find = SMB2_NT_FIND, | |
1812 | .cap_large_files = SMB2_LARGE_FILES, | |
1813 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1814 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1815 | .create_lease_size = sizeof(struct create_lease), | |
1816 | }; | |
1817 | ||
1818 | struct smb_version_values smb21_values = { | |
1819 | .version_string = SMB21_VERSION_STRING, | |
1820 | .protocol_id = SMB21_PROT_ID, | |
1821 | .req_capabilities = 0, /* MBZ on negotiate req until SMB3 dialect */ | |
1822 | .large_lock_type = 0, | |
1823 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1824 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1825 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1826 | .header_size = sizeof(struct smb2_hdr), | |
1827 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1828 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1829 | .lock_cmd = SMB2_LOCK, | |
1830 | .cap_unix = 0, | |
1831 | .cap_nt_find = SMB2_NT_FIND, | |
1832 | .cap_large_files = SMB2_LARGE_FILES, | |
1833 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1834 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1835 | .create_lease_size = sizeof(struct create_lease), | |
1836 | }; | |
1837 | ||
1838 | struct smb_version_values smb30_values = { | |
1839 | .version_string = SMB30_VERSION_STRING, | |
1840 | .protocol_id = SMB30_PROT_ID, | |
1841 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, | |
1842 | .large_lock_type = 0, | |
1843 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1844 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1845 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1846 | .header_size = sizeof(struct smb2_hdr), | |
1847 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1848 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1849 | .lock_cmd = SMB2_LOCK, | |
1850 | .cap_unix = 0, | |
1851 | .cap_nt_find = SMB2_NT_FIND, | |
1852 | .cap_large_files = SMB2_LARGE_FILES, | |
1853 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1854 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1855 | .create_lease_size = sizeof(struct create_lease_v2), | |
1856 | }; | |
1857 | ||
1858 | struct smb_version_values smb302_values = { | |
1859 | .version_string = SMB302_VERSION_STRING, | |
1860 | .protocol_id = SMB302_PROT_ID, | |
1861 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, | |
1862 | .large_lock_type = 0, | |
1863 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1864 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1865 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1866 | .header_size = sizeof(struct smb2_hdr), | |
1867 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1868 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1869 | .lock_cmd = SMB2_LOCK, | |
1870 | .cap_unix = 0, | |
1871 | .cap_nt_find = SMB2_NT_FIND, | |
1872 | .cap_large_files = SMB2_LARGE_FILES, | |
1873 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1874 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1875 | .create_lease_size = sizeof(struct create_lease_v2), | |
1876 | }; | |
1877 | ||
1878 | #ifdef CONFIG_CIFS_SMB311 | |
1879 | struct smb_version_values smb311_values = { | |
1880 | .version_string = SMB311_VERSION_STRING, | |
1881 | .protocol_id = SMB311_PROT_ID, | |
1882 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, | |
1883 | .large_lock_type = 0, | |
1884 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1885 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1886 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1887 | .header_size = sizeof(struct smb2_hdr), | |
1888 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1889 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1890 | .lock_cmd = SMB2_LOCK, | |
1891 | .cap_unix = 0, | |
1892 | .cap_nt_find = SMB2_NT_FIND, | |
1893 | .cap_large_files = SMB2_LARGE_FILES, | |
1894 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1895 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1896 | .create_lease_size = sizeof(struct create_lease_v2), | |
1897 | }; | |
1898 | #endif /* SMB311 */ |