Commit | Line | Data |
---|---|---|
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> |
f29ebb47 | 22 | #include <linux/falloc.h> |
1080ef75 | 23 | #include "cifsglob.h" |
2dc7e1c0 PS |
24 | #include "smb2pdu.h" |
25 | #include "smb2proto.h" | |
28ea5290 PS |
26 | #include "cifsproto.h" |
27 | #include "cifs_debug.h" | |
b42bf888 | 28 | #include "cifs_unicode.h" |
2e44b288 | 29 | #include "smb2status.h" |
6fc05c25 | 30 | #include "smb2glob.h" |
28ea5290 PS |
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; | |
f96637be | 43 | cifs_dbg(VFS, "disabling echoes and oplocks\n"); |
28ea5290 PS |
44 | break; |
45 | case 2: | |
46 | server->echoes = true; | |
47 | server->oplocks = false; | |
48 | server->echo_credits = 1; | |
f96637be | 49 | cifs_dbg(FYI, "disabling oplocks\n"); |
28ea5290 PS |
50 | break; |
51 | default: | |
52 | server->echoes = true; | |
53 | server->oplocks = true; | |
54 | server->echo_credits = 1; | |
55 | server->oplock_credits = 1; | |
56 | } | |
57 | server->credits -= server->echo_credits + server->oplock_credits; | |
58 | return 0; | |
59 | } | |
60 | ||
61 | static void | |
62 | smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add, | |
63 | const int optype) | |
64 | { | |
65 | int *val, rc = 0; | |
66 | spin_lock(&server->req_lock); | |
67 | val = server->ops->get_credits_field(server, optype); | |
68 | *val += add; | |
69 | server->in_flight--; | |
ec2e4523 | 70 | if (server->in_flight == 0 && (optype & CIFS_OP_MASK) != CIFS_NEG_OP) |
28ea5290 | 71 | rc = change_conf(server); |
983c88a4 PS |
72 | /* |
73 | * Sometimes server returns 0 credits on oplock break ack - we need to | |
74 | * rebalance credits in this case. | |
75 | */ | |
76 | else if (server->in_flight > 0 && server->oplock_credits == 0 && | |
77 | server->oplocks) { | |
78 | if (server->credits > 1) { | |
79 | server->credits--; | |
80 | server->oplock_credits++; | |
81 | } | |
82 | } | |
28ea5290 PS |
83 | spin_unlock(&server->req_lock); |
84 | wake_up(&server->request_q); | |
85 | if (rc) | |
86 | cifs_reconnect(server); | |
87 | } | |
88 | ||
89 | static void | |
90 | smb2_set_credits(struct TCP_Server_Info *server, const int val) | |
91 | { | |
92 | spin_lock(&server->req_lock); | |
93 | server->credits = val; | |
94 | spin_unlock(&server->req_lock); | |
95 | } | |
96 | ||
97 | static int * | |
98 | smb2_get_credits_field(struct TCP_Server_Info *server, const int optype) | |
99 | { | |
100 | switch (optype) { | |
101 | case CIFS_ECHO_OP: | |
102 | return &server->echo_credits; | |
103 | case CIFS_OBREAK_OP: | |
104 | return &server->oplock_credits; | |
105 | default: | |
106 | return &server->credits; | |
107 | } | |
108 | } | |
109 | ||
110 | static unsigned int | |
111 | smb2_get_credits(struct mid_q_entry *mid) | |
112 | { | |
113 | return le16_to_cpu(((struct smb2_hdr *)mid->resp_buf)->CreditRequest); | |
114 | } | |
2dc7e1c0 | 115 | |
cb7e9eab PS |
116 | static int |
117 | smb2_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size, | |
118 | unsigned int *num, unsigned int *credits) | |
119 | { | |
120 | int rc = 0; | |
121 | unsigned int scredits; | |
122 | ||
123 | spin_lock(&server->req_lock); | |
124 | while (1) { | |
125 | if (server->credits <= 0) { | |
126 | spin_unlock(&server->req_lock); | |
127 | cifs_num_waiters_inc(server); | |
128 | rc = wait_event_killable(server->request_q, | |
129 | has_credits(server, &server->credits)); | |
130 | cifs_num_waiters_dec(server); | |
131 | if (rc) | |
132 | return rc; | |
133 | spin_lock(&server->req_lock); | |
134 | } else { | |
135 | if (server->tcpStatus == CifsExiting) { | |
136 | spin_unlock(&server->req_lock); | |
137 | return -ENOENT; | |
138 | } | |
139 | ||
140 | scredits = server->credits; | |
141 | /* can deadlock with reopen */ | |
142 | if (scredits == 1) { | |
143 | *num = SMB2_MAX_BUFFER_SIZE; | |
144 | *credits = 0; | |
145 | break; | |
146 | } | |
147 | ||
148 | /* leave one credit for a possible reopen */ | |
149 | scredits--; | |
150 | *num = min_t(unsigned int, size, | |
151 | scredits * SMB2_MAX_BUFFER_SIZE); | |
152 | ||
153 | *credits = DIV_ROUND_UP(*num, SMB2_MAX_BUFFER_SIZE); | |
154 | server->credits -= *credits; | |
155 | server->in_flight++; | |
156 | break; | |
157 | } | |
158 | } | |
159 | spin_unlock(&server->req_lock); | |
160 | return rc; | |
161 | } | |
162 | ||
2dc7e1c0 PS |
163 | static __u64 |
164 | smb2_get_next_mid(struct TCP_Server_Info *server) | |
165 | { | |
166 | __u64 mid; | |
167 | /* for SMB2 we need the current value */ | |
168 | spin_lock(&GlobalMid_Lock); | |
169 | mid = server->CurrentMid++; | |
170 | spin_unlock(&GlobalMid_Lock); | |
171 | return mid; | |
172 | } | |
1080ef75 | 173 | |
093b2bda PS |
174 | static struct mid_q_entry * |
175 | smb2_find_mid(struct TCP_Server_Info *server, char *buf) | |
176 | { | |
177 | struct mid_q_entry *mid; | |
178 | struct smb2_hdr *hdr = (struct smb2_hdr *)buf; | |
9235d098 | 179 | __u64 wire_mid = le64_to_cpu(hdr->MessageId); |
093b2bda PS |
180 | |
181 | spin_lock(&GlobalMid_Lock); | |
182 | list_for_each_entry(mid, &server->pending_mid_q, qhead) { | |
9235d098 | 183 | if ((mid->mid == wire_mid) && |
093b2bda PS |
184 | (mid->mid_state == MID_REQUEST_SUBMITTED) && |
185 | (mid->command == hdr->Command)) { | |
186 | spin_unlock(&GlobalMid_Lock); | |
187 | return mid; | |
188 | } | |
189 | } | |
190 | spin_unlock(&GlobalMid_Lock); | |
191 | return NULL; | |
192 | } | |
193 | ||
194 | static void | |
195 | smb2_dump_detail(void *buf) | |
196 | { | |
197 | #ifdef CONFIG_CIFS_DEBUG2 | |
198 | struct smb2_hdr *smb = (struct smb2_hdr *)buf; | |
199 | ||
f96637be JP |
200 | cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n", |
201 | smb->Command, smb->Status, smb->Flags, smb->MessageId, | |
202 | smb->ProcessId); | |
203 | cifs_dbg(VFS, "smb buf %p len %u\n", smb, smb2_calc_size(smb)); | |
093b2bda PS |
204 | #endif |
205 | } | |
206 | ||
ec2e4523 PS |
207 | static bool |
208 | smb2_need_neg(struct TCP_Server_Info *server) | |
209 | { | |
210 | return server->max_read == 0; | |
211 | } | |
212 | ||
213 | static int | |
214 | smb2_negotiate(const unsigned int xid, struct cifs_ses *ses) | |
215 | { | |
216 | int rc; | |
217 | ses->server->CurrentMid = 0; | |
218 | rc = SMB2_negotiate(xid, ses); | |
219 | /* BB we probably don't need to retry with modern servers */ | |
220 | if (rc == -EAGAIN) | |
221 | rc = -EHOSTDOWN; | |
222 | return rc; | |
223 | } | |
224 | ||
3a3bab50 PS |
225 | static unsigned int |
226 | smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) | |
227 | { | |
228 | struct TCP_Server_Info *server = tcon->ses->server; | |
229 | unsigned int wsize; | |
230 | ||
231 | /* start with specified wsize, or default */ | |
232 | wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE; | |
233 | wsize = min_t(unsigned int, wsize, server->max_write); | |
cb7e9eab PS |
234 | |
235 | if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) | |
236 | wsize = min_t(unsigned int, wsize, SMB2_MAX_BUFFER_SIZE); | |
3a3bab50 | 237 | |
3a3bab50 PS |
238 | return wsize; |
239 | } | |
240 | ||
241 | static unsigned int | |
242 | smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) | |
243 | { | |
244 | struct TCP_Server_Info *server = tcon->ses->server; | |
245 | unsigned int rsize; | |
246 | ||
247 | /* start with specified rsize, or default */ | |
248 | rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE; | |
249 | rsize = min_t(unsigned int, rsize, server->max_read); | |
bed9da02 PS |
250 | |
251 | if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) | |
252 | rsize = min_t(unsigned int, rsize, SMB2_MAX_BUFFER_SIZE); | |
3a3bab50 | 253 | |
3a3bab50 PS |
254 | return rsize; |
255 | } | |
256 | ||
c481e9fe SF |
257 | #ifdef CONFIG_CIFS_STATS2 |
258 | static int | |
259 | SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon) | |
260 | { | |
261 | int rc; | |
262 | unsigned int ret_data_len = 0; | |
263 | struct network_interface_info_ioctl_rsp *out_buf; | |
264 | ||
265 | rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, | |
266 | FSCTL_QUERY_NETWORK_INTERFACE_INFO, true /* is_fsctl */, | |
267 | NULL /* no data input */, 0 /* no data input */, | |
268 | (char **)&out_buf, &ret_data_len); | |
9ffc5412 SF |
269 | if (rc != 0) |
270 | cifs_dbg(VFS, "error %d on ioctl to get interface list\n", rc); | |
271 | else if (ret_data_len < sizeof(struct network_interface_info_ioctl_rsp)) { | |
272 | cifs_dbg(VFS, "server returned bad net interface info buf\n"); | |
273 | rc = -EINVAL; | |
274 | } else { | |
c481e9fe SF |
275 | /* Dump info on first interface */ |
276 | cifs_dbg(FYI, "Adapter Capability 0x%x\t", | |
277 | le32_to_cpu(out_buf->Capability)); | |
278 | cifs_dbg(FYI, "Link Speed %lld\n", | |
279 | le64_to_cpu(out_buf->LinkSpeed)); | |
9ffc5412 | 280 | } |
c481e9fe SF |
281 | |
282 | return rc; | |
283 | } | |
284 | #endif /* STATS2 */ | |
285 | ||
af6a12ea SF |
286 | static void |
287 | smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
288 | { | |
289 | int rc; | |
290 | __le16 srch_path = 0; /* Null - open root of share */ | |
291 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
292 | struct cifs_open_parms oparms; | |
293 | struct cifs_fid fid; | |
294 | ||
295 | oparms.tcon = tcon; | |
296 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
297 | oparms.disposition = FILE_OPEN; | |
298 | oparms.create_options = 0; | |
299 | oparms.fid = &fid; | |
300 | oparms.reconnect = false; | |
301 | ||
302 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
303 | if (rc) | |
304 | return; | |
305 | ||
c481e9fe SF |
306 | #ifdef CONFIG_CIFS_STATS2 |
307 | SMB3_request_interfaces(xid, tcon); | |
308 | #endif /* STATS2 */ | |
309 | ||
af6a12ea SF |
310 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
311 | FS_ATTRIBUTE_INFORMATION); | |
312 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
313 | FS_DEVICE_INFORMATION); | |
314 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
315 | FS_SECTOR_SIZE_INFORMATION); /* SMB3 specific */ | |
316 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
317 | return; | |
318 | } | |
319 | ||
34f62640 SF |
320 | static void |
321 | smb2_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
322 | { | |
323 | int rc; | |
324 | __le16 srch_path = 0; /* Null - open root of share */ | |
325 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
326 | struct cifs_open_parms oparms; | |
327 | struct cifs_fid fid; | |
328 | ||
329 | oparms.tcon = tcon; | |
330 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
331 | oparms.disposition = FILE_OPEN; | |
332 | oparms.create_options = 0; | |
333 | oparms.fid = &fid; | |
334 | oparms.reconnect = false; | |
335 | ||
336 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
337 | if (rc) | |
338 | return; | |
339 | ||
2167114c SF |
340 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
341 | FS_ATTRIBUTE_INFORMATION); | |
342 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
343 | FS_DEVICE_INFORMATION); | |
34f62640 SF |
344 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); |
345 | return; | |
346 | } | |
347 | ||
2503a0db PS |
348 | static int |
349 | smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, | |
350 | struct cifs_sb_info *cifs_sb, const char *full_path) | |
351 | { | |
352 | int rc; | |
2503a0db | 353 | __le16 *utf16_path; |
2e44b288 | 354 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; |
064f6047 PS |
355 | struct cifs_open_parms oparms; |
356 | struct cifs_fid fid; | |
2503a0db PS |
357 | |
358 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
359 | if (!utf16_path) | |
360 | return -ENOMEM; | |
361 | ||
064f6047 PS |
362 | oparms.tcon = tcon; |
363 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
364 | oparms.disposition = FILE_OPEN; | |
365 | oparms.create_options = 0; | |
366 | oparms.fid = &fid; | |
9cbc0b73 | 367 | oparms.reconnect = false; |
064f6047 | 368 | |
b42bf888 | 369 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); |
2503a0db PS |
370 | if (rc) { |
371 | kfree(utf16_path); | |
372 | return rc; | |
373 | } | |
374 | ||
064f6047 | 375 | rc = SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); |
2503a0db PS |
376 | kfree(utf16_path); |
377 | return rc; | |
378 | } | |
379 | ||
be4cb9e3 PS |
380 | static int |
381 | smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon, | |
382 | struct cifs_sb_info *cifs_sb, const char *full_path, | |
383 | u64 *uniqueid, FILE_ALL_INFO *data) | |
384 | { | |
385 | *uniqueid = le64_to_cpu(data->IndexNumber); | |
386 | return 0; | |
387 | } | |
388 | ||
b7546bc5 PS |
389 | static int |
390 | smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon, | |
391 | struct cifs_fid *fid, FILE_ALL_INFO *data) | |
392 | { | |
393 | int rc; | |
394 | struct smb2_file_all_info *smb2_data; | |
395 | ||
1bbe4997 | 396 | smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2, |
b7546bc5 PS |
397 | GFP_KERNEL); |
398 | if (smb2_data == NULL) | |
399 | return -ENOMEM; | |
400 | ||
401 | rc = SMB2_query_info(xid, tcon, fid->persistent_fid, fid->volatile_fid, | |
402 | smb2_data); | |
403 | if (!rc) | |
404 | move_smb2_info_to_cifs(data, smb2_data); | |
405 | kfree(smb2_data); | |
406 | return rc; | |
407 | } | |
408 | ||
9094fad1 PS |
409 | static bool |
410 | smb2_can_echo(struct TCP_Server_Info *server) | |
411 | { | |
412 | return server->echoes; | |
413 | } | |
414 | ||
d60622eb PS |
415 | static void |
416 | smb2_clear_stats(struct cifs_tcon *tcon) | |
417 | { | |
418 | #ifdef CONFIG_CIFS_STATS | |
419 | int i; | |
420 | for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) { | |
421 | atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); | |
422 | atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); | |
423 | } | |
424 | #endif | |
425 | } | |
426 | ||
769ee6a4 SF |
427 | static void |
428 | smb2_dump_share_caps(struct seq_file *m, struct cifs_tcon *tcon) | |
429 | { | |
430 | seq_puts(m, "\n\tShare Capabilities:"); | |
431 | if (tcon->capabilities & SMB2_SHARE_CAP_DFS) | |
432 | seq_puts(m, " DFS,"); | |
433 | if (tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY) | |
434 | seq_puts(m, " CONTINUOUS AVAILABILITY,"); | |
435 | if (tcon->capabilities & SMB2_SHARE_CAP_SCALEOUT) | |
436 | seq_puts(m, " SCALEOUT,"); | |
437 | if (tcon->capabilities & SMB2_SHARE_CAP_CLUSTER) | |
438 | seq_puts(m, " CLUSTER,"); | |
439 | if (tcon->capabilities & SMB2_SHARE_CAP_ASYMMETRIC) | |
440 | seq_puts(m, " ASYMMETRIC,"); | |
441 | if (tcon->capabilities == 0) | |
442 | seq_puts(m, " None"); | |
af6a12ea SF |
443 | if (tcon->ss_flags & SSINFO_FLAGS_ALIGNED_DEVICE) |
444 | seq_puts(m, " Aligned,"); | |
445 | if (tcon->ss_flags & SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE) | |
446 | seq_puts(m, " Partition Aligned,"); | |
447 | if (tcon->ss_flags & SSINFO_FLAGS_NO_SEEK_PENALTY) | |
448 | seq_puts(m, " SSD,"); | |
449 | if (tcon->ss_flags & SSINFO_FLAGS_TRIM_ENABLED) | |
450 | seq_puts(m, " TRIM-support,"); | |
451 | ||
769ee6a4 | 452 | seq_printf(m, "\tShare Flags: 0x%x", tcon->share_flags); |
af6a12ea SF |
453 | if (tcon->perf_sector_size) |
454 | seq_printf(m, "\tOptimal sector size: 0x%x", | |
455 | tcon->perf_sector_size); | |
769ee6a4 SF |
456 | } |
457 | ||
d60622eb PS |
458 | static void |
459 | smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon) | |
460 | { | |
461 | #ifdef CONFIG_CIFS_STATS | |
462 | atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent; | |
463 | atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed; | |
464 | seq_printf(m, "\nNegotiates: %d sent %d failed", | |
465 | atomic_read(&sent[SMB2_NEGOTIATE_HE]), | |
466 | atomic_read(&failed[SMB2_NEGOTIATE_HE])); | |
467 | seq_printf(m, "\nSessionSetups: %d sent %d failed", | |
468 | atomic_read(&sent[SMB2_SESSION_SETUP_HE]), | |
469 | atomic_read(&failed[SMB2_SESSION_SETUP_HE])); | |
d60622eb PS |
470 | seq_printf(m, "\nLogoffs: %d sent %d failed", |
471 | atomic_read(&sent[SMB2_LOGOFF_HE]), | |
472 | atomic_read(&failed[SMB2_LOGOFF_HE])); | |
473 | seq_printf(m, "\nTreeConnects: %d sent %d failed", | |
474 | atomic_read(&sent[SMB2_TREE_CONNECT_HE]), | |
475 | atomic_read(&failed[SMB2_TREE_CONNECT_HE])); | |
476 | seq_printf(m, "\nTreeDisconnects: %d sent %d failed", | |
477 | atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]), | |
478 | atomic_read(&failed[SMB2_TREE_DISCONNECT_HE])); | |
479 | seq_printf(m, "\nCreates: %d sent %d failed", | |
480 | atomic_read(&sent[SMB2_CREATE_HE]), | |
481 | atomic_read(&failed[SMB2_CREATE_HE])); | |
482 | seq_printf(m, "\nCloses: %d sent %d failed", | |
483 | atomic_read(&sent[SMB2_CLOSE_HE]), | |
484 | atomic_read(&failed[SMB2_CLOSE_HE])); | |
485 | seq_printf(m, "\nFlushes: %d sent %d failed", | |
486 | atomic_read(&sent[SMB2_FLUSH_HE]), | |
487 | atomic_read(&failed[SMB2_FLUSH_HE])); | |
488 | seq_printf(m, "\nReads: %d sent %d failed", | |
489 | atomic_read(&sent[SMB2_READ_HE]), | |
490 | atomic_read(&failed[SMB2_READ_HE])); | |
491 | seq_printf(m, "\nWrites: %d sent %d failed", | |
492 | atomic_read(&sent[SMB2_WRITE_HE]), | |
493 | atomic_read(&failed[SMB2_WRITE_HE])); | |
494 | seq_printf(m, "\nLocks: %d sent %d failed", | |
495 | atomic_read(&sent[SMB2_LOCK_HE]), | |
496 | atomic_read(&failed[SMB2_LOCK_HE])); | |
497 | seq_printf(m, "\nIOCTLs: %d sent %d failed", | |
498 | atomic_read(&sent[SMB2_IOCTL_HE]), | |
499 | atomic_read(&failed[SMB2_IOCTL_HE])); | |
500 | seq_printf(m, "\nCancels: %d sent %d failed", | |
501 | atomic_read(&sent[SMB2_CANCEL_HE]), | |
502 | atomic_read(&failed[SMB2_CANCEL_HE])); | |
503 | seq_printf(m, "\nEchos: %d sent %d failed", | |
504 | atomic_read(&sent[SMB2_ECHO_HE]), | |
505 | atomic_read(&failed[SMB2_ECHO_HE])); | |
506 | seq_printf(m, "\nQueryDirectories: %d sent %d failed", | |
507 | atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]), | |
508 | atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE])); | |
509 | seq_printf(m, "\nChangeNotifies: %d sent %d failed", | |
510 | atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]), | |
511 | atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE])); | |
512 | seq_printf(m, "\nQueryInfos: %d sent %d failed", | |
513 | atomic_read(&sent[SMB2_QUERY_INFO_HE]), | |
514 | atomic_read(&failed[SMB2_QUERY_INFO_HE])); | |
515 | seq_printf(m, "\nSetInfos: %d sent %d failed", | |
516 | atomic_read(&sent[SMB2_SET_INFO_HE]), | |
517 | atomic_read(&failed[SMB2_SET_INFO_HE])); | |
518 | seq_printf(m, "\nOplockBreaks: %d sent %d failed", | |
519 | atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]), | |
520 | atomic_read(&failed[SMB2_OPLOCK_BREAK_HE])); | |
521 | #endif | |
522 | } | |
523 | ||
f0df737e PS |
524 | static void |
525 | smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock) | |
526 | { | |
2b0143b5 | 527 | struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry)); |
53ef1016 PS |
528 | struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server; |
529 | ||
f0df737e PS |
530 | cfile->fid.persistent_fid = fid->persistent_fid; |
531 | cfile->fid.volatile_fid = fid->volatile_fid; | |
42873b0a PS |
532 | server->ops->set_oplock_level(cinode, oplock, fid->epoch, |
533 | &fid->purge_cache); | |
18cceb6a | 534 | cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode); |
f0df737e PS |
535 | } |
536 | ||
760ad0ca | 537 | static void |
f0df737e PS |
538 | smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon, |
539 | struct cifs_fid *fid) | |
540 | { | |
760ad0ca | 541 | SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); |
f0df737e PS |
542 | } |
543 | ||
41c1358e SF |
544 | static int |
545 | SMB2_request_res_key(const unsigned int xid, struct cifs_tcon *tcon, | |
546 | u64 persistent_fid, u64 volatile_fid, | |
547 | struct copychunk_ioctl *pcchunk) | |
548 | { | |
549 | int rc; | |
550 | unsigned int ret_data_len; | |
551 | struct resume_key_req *res_key; | |
552 | ||
553 | rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, | |
554 | FSCTL_SRV_REQUEST_RESUME_KEY, true /* is_fsctl */, | |
555 | NULL, 0 /* no input */, | |
556 | (char **)&res_key, &ret_data_len); | |
557 | ||
558 | if (rc) { | |
559 | cifs_dbg(VFS, "refcpy ioctl error %d getting resume key\n", rc); | |
560 | goto req_res_key_exit; | |
561 | } | |
562 | if (ret_data_len < sizeof(struct resume_key_req)) { | |
563 | cifs_dbg(VFS, "Invalid refcopy resume key length\n"); | |
564 | rc = -EINVAL; | |
565 | goto req_res_key_exit; | |
566 | } | |
567 | memcpy(pcchunk->SourceKey, res_key->ResumeKey, COPY_CHUNK_RES_KEY_SIZE); | |
568 | ||
569 | req_res_key_exit: | |
570 | kfree(res_key); | |
571 | return rc; | |
572 | } | |
573 | ||
574 | static int | |
575 | smb2_clone_range(const unsigned int xid, | |
576 | struct cifsFileInfo *srcfile, | |
577 | struct cifsFileInfo *trgtfile, u64 src_off, | |
578 | u64 len, u64 dest_off) | |
579 | { | |
580 | int rc; | |
581 | unsigned int ret_data_len; | |
582 | struct copychunk_ioctl *pcchunk; | |
9bf0c9cd SF |
583 | struct copychunk_ioctl_rsp *retbuf = NULL; |
584 | struct cifs_tcon *tcon; | |
585 | int chunks_copied = 0; | |
586 | bool chunk_sizes_updated = false; | |
41c1358e SF |
587 | |
588 | pcchunk = kmalloc(sizeof(struct copychunk_ioctl), GFP_KERNEL); | |
589 | ||
590 | if (pcchunk == NULL) | |
591 | return -ENOMEM; | |
592 | ||
593 | cifs_dbg(FYI, "in smb2_clone_range - about to call request res key\n"); | |
594 | /* Request a key from the server to identify the source of the copy */ | |
595 | rc = SMB2_request_res_key(xid, tlink_tcon(srcfile->tlink), | |
596 | srcfile->fid.persistent_fid, | |
597 | srcfile->fid.volatile_fid, pcchunk); | |
598 | ||
599 | /* Note: request_res_key sets res_key null only if rc !=0 */ | |
600 | if (rc) | |
9bf0c9cd | 601 | goto cchunk_out; |
41c1358e SF |
602 | |
603 | /* For now array only one chunk long, will make more flexible later */ | |
bc09d141 | 604 | pcchunk->ChunkCount = cpu_to_le32(1); |
41c1358e | 605 | pcchunk->Reserved = 0; |
41c1358e SF |
606 | pcchunk->Reserved2 = 0; |
607 | ||
9bf0c9cd | 608 | tcon = tlink_tcon(trgtfile->tlink); |
41c1358e | 609 | |
9bf0c9cd SF |
610 | while (len > 0) { |
611 | pcchunk->SourceOffset = cpu_to_le64(src_off); | |
612 | pcchunk->TargetOffset = cpu_to_le64(dest_off); | |
613 | pcchunk->Length = | |
614 | cpu_to_le32(min_t(u32, len, tcon->max_bytes_chunk)); | |
41c1358e | 615 | |
9bf0c9cd SF |
616 | /* Request server copy to target from src identified by key */ |
617 | rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, | |
618 | trgtfile->fid.volatile_fid, FSCTL_SRV_COPYCHUNK_WRITE, | |
619 | true /* is_fsctl */, (char *)pcchunk, | |
620 | sizeof(struct copychunk_ioctl), (char **)&retbuf, | |
621 | &ret_data_len); | |
622 | if (rc == 0) { | |
623 | if (ret_data_len != | |
624 | sizeof(struct copychunk_ioctl_rsp)) { | |
625 | cifs_dbg(VFS, "invalid cchunk response size\n"); | |
626 | rc = -EIO; | |
627 | goto cchunk_out; | |
628 | } | |
629 | if (retbuf->TotalBytesWritten == 0) { | |
630 | cifs_dbg(FYI, "no bytes copied\n"); | |
631 | rc = -EIO; | |
632 | goto cchunk_out; | |
633 | } | |
634 | /* | |
635 | * Check if server claimed to write more than we asked | |
636 | */ | |
637 | if (le32_to_cpu(retbuf->TotalBytesWritten) > | |
638 | le32_to_cpu(pcchunk->Length)) { | |
639 | cifs_dbg(VFS, "invalid copy chunk response\n"); | |
640 | rc = -EIO; | |
641 | goto cchunk_out; | |
642 | } | |
643 | if (le32_to_cpu(retbuf->ChunksWritten) != 1) { | |
644 | cifs_dbg(VFS, "invalid num chunks written\n"); | |
645 | rc = -EIO; | |
646 | goto cchunk_out; | |
647 | } | |
648 | chunks_copied++; | |
649 | ||
650 | src_off += le32_to_cpu(retbuf->TotalBytesWritten); | |
651 | dest_off += le32_to_cpu(retbuf->TotalBytesWritten); | |
652 | len -= le32_to_cpu(retbuf->TotalBytesWritten); | |
653 | ||
654 | cifs_dbg(FYI, "Chunks %d PartialChunk %d Total %d\n", | |
655 | le32_to_cpu(retbuf->ChunksWritten), | |
656 | le32_to_cpu(retbuf->ChunkBytesWritten), | |
657 | le32_to_cpu(retbuf->TotalBytesWritten)); | |
658 | } else if (rc == -EINVAL) { | |
659 | if (ret_data_len != sizeof(struct copychunk_ioctl_rsp)) | |
660 | goto cchunk_out; | |
661 | ||
662 | cifs_dbg(FYI, "MaxChunks %d BytesChunk %d MaxCopy %d\n", | |
663 | le32_to_cpu(retbuf->ChunksWritten), | |
664 | le32_to_cpu(retbuf->ChunkBytesWritten), | |
665 | le32_to_cpu(retbuf->TotalBytesWritten)); | |
666 | ||
667 | /* | |
668 | * Check if this is the first request using these sizes, | |
669 | * (ie check if copy succeed once with original sizes | |
670 | * and check if the server gave us different sizes after | |
671 | * we already updated max sizes on previous request). | |
672 | * if not then why is the server returning an error now | |
673 | */ | |
674 | if ((chunks_copied != 0) || chunk_sizes_updated) | |
675 | goto cchunk_out; | |
676 | ||
677 | /* Check that server is not asking us to grow size */ | |
678 | if (le32_to_cpu(retbuf->ChunkBytesWritten) < | |
679 | tcon->max_bytes_chunk) | |
680 | tcon->max_bytes_chunk = | |
681 | le32_to_cpu(retbuf->ChunkBytesWritten); | |
682 | else | |
683 | goto cchunk_out; /* server gave us bogus size */ | |
684 | ||
685 | /* No need to change MaxChunks since already set to 1 */ | |
686 | chunk_sizes_updated = true; | |
2477bc58 SP |
687 | } else |
688 | goto cchunk_out; | |
9bf0c9cd | 689 | } |
41c1358e | 690 | |
9bf0c9cd | 691 | cchunk_out: |
41c1358e SF |
692 | kfree(pcchunk); |
693 | return rc; | |
694 | } | |
695 | ||
7a5cfb19 PS |
696 | static int |
697 | smb2_flush_file(const unsigned int xid, struct cifs_tcon *tcon, | |
698 | struct cifs_fid *fid) | |
699 | { | |
700 | return SMB2_flush(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
701 | } | |
702 | ||
09a4707e PS |
703 | static unsigned int |
704 | smb2_read_data_offset(char *buf) | |
705 | { | |
706 | struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; | |
707 | return rsp->DataOffset; | |
708 | } | |
709 | ||
710 | static unsigned int | |
711 | smb2_read_data_length(char *buf) | |
712 | { | |
713 | struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; | |
714 | return le32_to_cpu(rsp->DataLength); | |
715 | } | |
716 | ||
d8e05039 PS |
717 | |
718 | static int | |
db8b631d | 719 | smb2_sync_read(const unsigned int xid, struct cifs_fid *pfid, |
d8e05039 PS |
720 | struct cifs_io_parms *parms, unsigned int *bytes_read, |
721 | char **buf, int *buf_type) | |
722 | { | |
db8b631d SF |
723 | parms->persistent_fid = pfid->persistent_fid; |
724 | parms->volatile_fid = pfid->volatile_fid; | |
d8e05039 PS |
725 | return SMB2_read(xid, parms, bytes_read, buf, buf_type); |
726 | } | |
727 | ||
009d3443 | 728 | static int |
db8b631d | 729 | smb2_sync_write(const unsigned int xid, struct cifs_fid *pfid, |
009d3443 PS |
730 | struct cifs_io_parms *parms, unsigned int *written, |
731 | struct kvec *iov, unsigned long nr_segs) | |
732 | { | |
733 | ||
db8b631d SF |
734 | parms->persistent_fid = pfid->persistent_fid; |
735 | parms->volatile_fid = pfid->volatile_fid; | |
009d3443 PS |
736 | return SMB2_write(xid, parms, written, iov, nr_segs); |
737 | } | |
738 | ||
d43cc793 SF |
739 | /* Set or clear the SPARSE_FILE attribute based on value passed in setsparse */ |
740 | static bool smb2_set_sparse(const unsigned int xid, struct cifs_tcon *tcon, | |
741 | struct cifsFileInfo *cfile, struct inode *inode, __u8 setsparse) | |
742 | { | |
743 | struct cifsInodeInfo *cifsi; | |
744 | int rc; | |
745 | ||
746 | cifsi = CIFS_I(inode); | |
747 | ||
748 | /* if file already sparse don't bother setting sparse again */ | |
749 | if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) && setsparse) | |
750 | return true; /* already sparse */ | |
751 | ||
752 | if (!(cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) && !setsparse) | |
753 | return true; /* already not sparse */ | |
754 | ||
755 | /* | |
756 | * Can't check for sparse support on share the usual way via the | |
757 | * FS attribute info (FILE_SUPPORTS_SPARSE_FILES) on the share | |
758 | * since Samba server doesn't set the flag on the share, yet | |
759 | * supports the set sparse FSCTL and returns sparse correctly | |
760 | * in the file attributes. If we fail setting sparse though we | |
761 | * mark that server does not support sparse files for this share | |
762 | * to avoid repeatedly sending the unsupported fsctl to server | |
763 | * if the file is repeatedly extended. | |
764 | */ | |
765 | if (tcon->broken_sparse_sup) | |
766 | return false; | |
767 | ||
768 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
769 | cfile->fid.volatile_fid, FSCTL_SET_SPARSE, | |
770 | true /* is_fctl */, &setsparse, 1, NULL, NULL); | |
771 | if (rc) { | |
772 | tcon->broken_sparse_sup = true; | |
773 | cifs_dbg(FYI, "set sparse rc = %d\n", rc); | |
774 | return false; | |
775 | } | |
776 | ||
777 | if (setsparse) | |
778 | cifsi->cifsAttrs |= FILE_ATTRIBUTE_SPARSE_FILE; | |
779 | else | |
780 | cifsi->cifsAttrs &= (~FILE_ATTRIBUTE_SPARSE_FILE); | |
781 | ||
782 | return true; | |
783 | } | |
784 | ||
c839ff24 PS |
785 | static int |
786 | smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon, | |
787 | struct cifsFileInfo *cfile, __u64 size, bool set_alloc) | |
788 | { | |
789 | __le64 eof = cpu_to_le64(size); | |
3d1a3745 SF |
790 | struct inode *inode; |
791 | ||
792 | /* | |
793 | * If extending file more than one page make sparse. Many Linux fs | |
794 | * make files sparse by default when extending via ftruncate | |
795 | */ | |
2b0143b5 | 796 | inode = d_inode(cfile->dentry); |
3d1a3745 SF |
797 | |
798 | if (!set_alloc && (size > inode->i_size + 8192)) { | |
3d1a3745 | 799 | __u8 set_sparse = 1; |
d43cc793 SF |
800 | |
801 | /* whether set sparse succeeds or not, extend the file */ | |
802 | smb2_set_sparse(xid, tcon, cfile, inode, set_sparse); | |
3d1a3745 SF |
803 | } |
804 | ||
c839ff24 | 805 | return SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid, |
f29ebb47 | 806 | cfile->fid.volatile_fid, cfile->pid, &eof, false); |
c839ff24 PS |
807 | } |
808 | ||
02b16665 SF |
809 | #ifdef CONFIG_CIFS_SMB311 |
810 | static int | |
811 | smb2_duplicate_extents(const unsigned int xid, | |
812 | struct cifsFileInfo *srcfile, | |
813 | struct cifsFileInfo *trgtfile, u64 src_off, | |
814 | u64 len, u64 dest_off) | |
815 | { | |
816 | int rc; | |
817 | unsigned int ret_data_len; | |
818 | char *retbuf = NULL; | |
819 | struct duplicate_extents_to_file dup_ext_buf; | |
820 | struct cifs_tcon *tcon = tlink_tcon(trgtfile->tlink); | |
821 | ||
822 | /* server fileays advertise duplicate extent support with this flag */ | |
823 | if ((le32_to_cpu(tcon->fsAttrInfo.Attributes) & | |
824 | FILE_SUPPORTS_BLOCK_REFCOUNTING) == 0) | |
825 | return -EOPNOTSUPP; | |
826 | ||
827 | dup_ext_buf.VolatileFileHandle = srcfile->fid.volatile_fid; | |
828 | dup_ext_buf.PersistentFileHandle = srcfile->fid.persistent_fid; | |
829 | dup_ext_buf.SourceFileOffset = cpu_to_le64(src_off); | |
830 | dup_ext_buf.TargetFileOffset = cpu_to_le64(dest_off); | |
831 | dup_ext_buf.ByteCount = cpu_to_le64(len); | |
832 | cifs_dbg(FYI, "duplicate extents: src off %lld dst off %lld len %lld", | |
833 | src_off, dest_off, len); | |
834 | ||
835 | rc = smb2_set_file_size(xid, tcon, trgtfile, dest_off + len, false); | |
836 | if (rc) | |
837 | goto duplicate_extents_out; | |
838 | ||
839 | rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, | |
840 | trgtfile->fid.volatile_fid, | |
841 | FSCTL_DUPLICATE_EXTENTS_TO_FILE, | |
842 | true /* is_fsctl */, (char *)&dup_ext_buf, | |
843 | sizeof(struct duplicate_extents_to_file), | |
844 | (char **)&retbuf, | |
845 | &ret_data_len); | |
846 | ||
847 | if (ret_data_len > 0) | |
848 | cifs_dbg(FYI, "non-zero response length in duplicate extents"); | |
849 | ||
850 | duplicate_extents_out: | |
851 | return rc; | |
852 | } | |
853 | #endif /* CONFIG_CIFS_SMB311 */ | |
854 | ||
855 | ||
64a5cfa6 SF |
856 | static int |
857 | smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, | |
858 | struct cifsFileInfo *cfile) | |
859 | { | |
860 | return SMB2_set_compression(xid, tcon, cfile->fid.persistent_fid, | |
861 | cfile->fid.volatile_fid); | |
862 | } | |
863 | ||
b3152e2c SF |
864 | static int |
865 | smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon, | |
866 | struct cifsFileInfo *cfile) | |
867 | { | |
868 | struct fsctl_set_integrity_information_req integr_info; | |
869 | char *retbuf = NULL; | |
870 | unsigned int ret_data_len; | |
871 | ||
872 | integr_info.ChecksumAlgorithm = cpu_to_le16(CHECKSUM_TYPE_UNCHANGED); | |
873 | integr_info.Flags = 0; | |
874 | integr_info.Reserved = 0; | |
875 | ||
876 | return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
877 | cfile->fid.volatile_fid, | |
878 | FSCTL_SET_INTEGRITY_INFORMATION, | |
879 | true /* is_fsctl */, (char *)&integr_info, | |
880 | sizeof(struct fsctl_set_integrity_information_req), | |
881 | (char **)&retbuf, | |
882 | &ret_data_len); | |
883 | ||
884 | } | |
885 | ||
d324f08d PS |
886 | static int |
887 | smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, | |
888 | const char *path, struct cifs_sb_info *cifs_sb, | |
889 | struct cifs_fid *fid, __u16 search_flags, | |
890 | struct cifs_search_info *srch_inf) | |
891 | { | |
892 | __le16 *utf16_path; | |
893 | int rc; | |
2e44b288 | 894 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; |
064f6047 | 895 | struct cifs_open_parms oparms; |
d324f08d PS |
896 | |
897 | utf16_path = cifs_convert_path_to_utf16(path, cifs_sb); | |
898 | if (!utf16_path) | |
899 | return -ENOMEM; | |
900 | ||
064f6047 PS |
901 | oparms.tcon = tcon; |
902 | oparms.desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA; | |
903 | oparms.disposition = FILE_OPEN; | |
904 | oparms.create_options = 0; | |
905 | oparms.fid = fid; | |
9cbc0b73 | 906 | oparms.reconnect = false; |
064f6047 | 907 | |
b42bf888 | 908 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); |
d324f08d PS |
909 | kfree(utf16_path); |
910 | if (rc) { | |
f96637be | 911 | cifs_dbg(VFS, "open dir failed\n"); |
d324f08d PS |
912 | return rc; |
913 | } | |
914 | ||
915 | srch_inf->entries_in_buffer = 0; | |
916 | srch_inf->index_of_last_entry = 0; | |
d324f08d | 917 | |
064f6047 PS |
918 | rc = SMB2_query_directory(xid, tcon, fid->persistent_fid, |
919 | fid->volatile_fid, 0, srch_inf); | |
d324f08d | 920 | if (rc) { |
f96637be | 921 | cifs_dbg(VFS, "query directory failed\n"); |
064f6047 | 922 | SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); |
d324f08d PS |
923 | } |
924 | return rc; | |
925 | } | |
926 | ||
927 | static int | |
928 | smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon, | |
929 | struct cifs_fid *fid, __u16 search_flags, | |
930 | struct cifs_search_info *srch_inf) | |
931 | { | |
932 | return SMB2_query_directory(xid, tcon, fid->persistent_fid, | |
933 | fid->volatile_fid, 0, srch_inf); | |
934 | } | |
935 | ||
936 | static int | |
937 | smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon, | |
938 | struct cifs_fid *fid) | |
939 | { | |
940 | return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
941 | } | |
942 | ||
2e44b288 PS |
943 | /* |
944 | * If we negotiate SMB2 protocol and get STATUS_PENDING - update | |
945 | * the number of credits and return true. Otherwise - return false. | |
946 | */ | |
947 | static bool | |
948 | smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length) | |
949 | { | |
950 | struct smb2_hdr *hdr = (struct smb2_hdr *)buf; | |
951 | ||
12e8a208 | 952 | if (hdr->Status != STATUS_PENDING) |
2e44b288 PS |
953 | return false; |
954 | ||
955 | if (!length) { | |
956 | spin_lock(&server->req_lock); | |
957 | server->credits += le16_to_cpu(hdr->CreditRequest); | |
958 | spin_unlock(&server->req_lock); | |
959 | wake_up(&server->request_q); | |
960 | } | |
961 | ||
962 | return true; | |
963 | } | |
964 | ||
983c88a4 PS |
965 | static int |
966 | smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid, | |
967 | struct cifsInodeInfo *cinode) | |
968 | { | |
0822f514 PS |
969 | if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING) |
970 | return SMB2_lease_break(0, tcon, cinode->lease_key, | |
971 | smb2_get_lease_state(cinode)); | |
972 | ||
983c88a4 PS |
973 | return SMB2_oplock_break(0, tcon, fid->persistent_fid, |
974 | fid->volatile_fid, | |
18cceb6a | 975 | CIFS_CACHE_READ(cinode) ? 1 : 0); |
983c88a4 PS |
976 | } |
977 | ||
6fc05c25 PS |
978 | static int |
979 | smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon, | |
980 | struct kstatfs *buf) | |
981 | { | |
982 | int rc; | |
6fc05c25 PS |
983 | __le16 srch_path = 0; /* Null - open root of share */ |
984 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
064f6047 PS |
985 | struct cifs_open_parms oparms; |
986 | struct cifs_fid fid; | |
987 | ||
988 | oparms.tcon = tcon; | |
989 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
990 | oparms.disposition = FILE_OPEN; | |
991 | oparms.create_options = 0; | |
992 | oparms.fid = &fid; | |
9cbc0b73 | 993 | oparms.reconnect = false; |
6fc05c25 | 994 | |
b42bf888 | 995 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); |
6fc05c25 PS |
996 | if (rc) |
997 | return rc; | |
998 | buf->f_type = SMB2_MAGIC_NUMBER; | |
064f6047 PS |
999 | rc = SMB2_QFS_info(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
1000 | buf); | |
1001 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
6fc05c25 PS |
1002 | return rc; |
1003 | } | |
1004 | ||
027e8eec PS |
1005 | static bool |
1006 | smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2) | |
1007 | { | |
1008 | return ob1->fid.persistent_fid == ob2->fid.persistent_fid && | |
1009 | ob1->fid.volatile_fid == ob2->fid.volatile_fid; | |
1010 | } | |
1011 | ||
f7ba7fe6 PS |
1012 | static int |
1013 | smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset, | |
1014 | __u64 length, __u32 type, int lock, int unlock, bool wait) | |
1015 | { | |
1016 | if (unlock && !lock) | |
1017 | type = SMB2_LOCKFLAG_UNLOCK; | |
1018 | return SMB2_lock(xid, tlink_tcon(cfile->tlink), | |
1019 | cfile->fid.persistent_fid, cfile->fid.volatile_fid, | |
1020 | current->tgid, length, offset, type, wait); | |
1021 | } | |
1022 | ||
b8c32dbb PS |
1023 | static void |
1024 | smb2_get_lease_key(struct inode *inode, struct cifs_fid *fid) | |
1025 | { | |
1026 | memcpy(fid->lease_key, CIFS_I(inode)->lease_key, SMB2_LEASE_KEY_SIZE); | |
1027 | } | |
1028 | ||
1029 | static void | |
1030 | smb2_set_lease_key(struct inode *inode, struct cifs_fid *fid) | |
1031 | { | |
1032 | memcpy(CIFS_I(inode)->lease_key, fid->lease_key, SMB2_LEASE_KEY_SIZE); | |
1033 | } | |
1034 | ||
1035 | static void | |
1036 | smb2_new_lease_key(struct cifs_fid *fid) | |
1037 | { | |
1038 | get_random_bytes(fid->lease_key, SMB2_LEASE_KEY_SIZE); | |
1039 | } | |
1040 | ||
b42bf888 PS |
1041 | static int |
1042 | smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, | |
1043 | const char *full_path, char **target_path, | |
1044 | struct cifs_sb_info *cifs_sb) | |
1045 | { | |
1046 | int rc; | |
1047 | __le16 *utf16_path; | |
1048 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
1049 | struct cifs_open_parms oparms; | |
1050 | struct cifs_fid fid; | |
1051 | struct smb2_err_rsp *err_buf = NULL; | |
1052 | struct smb2_symlink_err_rsp *symlink; | |
1053 | unsigned int sub_len, sub_offset; | |
1054 | ||
1055 | cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path); | |
1056 | ||
1057 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
1058 | if (!utf16_path) | |
1059 | return -ENOMEM; | |
1060 | ||
1061 | oparms.tcon = tcon; | |
1062 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
1063 | oparms.disposition = FILE_OPEN; | |
1064 | oparms.create_options = 0; | |
1065 | oparms.fid = &fid; | |
1066 | oparms.reconnect = false; | |
1067 | ||
1068 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, &err_buf); | |
1069 | ||
1070 | if (!rc || !err_buf) { | |
1071 | kfree(utf16_path); | |
1072 | return -ENOENT; | |
1073 | } | |
1074 | /* open must fail on symlink - reset rc */ | |
1075 | rc = 0; | |
1076 | symlink = (struct smb2_symlink_err_rsp *)err_buf->ErrorData; | |
1077 | sub_len = le16_to_cpu(symlink->SubstituteNameLength); | |
1078 | sub_offset = le16_to_cpu(symlink->SubstituteNameOffset); | |
1079 | *target_path = cifs_strndup_from_utf16( | |
1080 | (char *)symlink->PathBuffer + sub_offset, | |
1081 | sub_len, true, cifs_sb->local_nls); | |
1082 | if (!(*target_path)) { | |
1083 | kfree(utf16_path); | |
1084 | return -ENOMEM; | |
1085 | } | |
1086 | convert_delimiter(*target_path, '/'); | |
1087 | cifs_dbg(FYI, "%s: target path: %s\n", __func__, *target_path); | |
1088 | kfree(utf16_path); | |
1089 | return rc; | |
1090 | } | |
1091 | ||
30175628 SF |
1092 | static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon, |
1093 | loff_t offset, loff_t len, bool keep_size) | |
1094 | { | |
1095 | struct inode *inode; | |
1096 | struct cifsInodeInfo *cifsi; | |
1097 | struct cifsFileInfo *cfile = file->private_data; | |
1098 | struct file_zero_data_information fsctl_buf; | |
1099 | long rc; | |
1100 | unsigned int xid; | |
1101 | ||
1102 | xid = get_xid(); | |
1103 | ||
2b0143b5 | 1104 | inode = d_inode(cfile->dentry); |
30175628 SF |
1105 | cifsi = CIFS_I(inode); |
1106 | ||
1107 | /* if file not oplocked can't be sure whether asking to extend size */ | |
1108 | if (!CIFS_CACHE_READ(cifsi)) | |
1109 | if (keep_size == false) | |
1110 | return -EOPNOTSUPP; | |
1111 | ||
2bb93d24 | 1112 | /* |
30175628 SF |
1113 | * Must check if file sparse since fallocate -z (zero range) assumes |
1114 | * non-sparse allocation | |
1115 | */ | |
1116 | if (!(cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE)) | |
1117 | return -EOPNOTSUPP; | |
1118 | ||
1119 | /* | |
1120 | * need to make sure we are not asked to extend the file since the SMB3 | |
1121 | * fsctl does not change the file size. In the future we could change | |
1122 | * this to zero the first part of the range then set the file size | |
1123 | * which for a non sparse file would zero the newly extended range | |
1124 | */ | |
1125 | if (keep_size == false) | |
1126 | if (i_size_read(inode) < offset + len) | |
1127 | return -EOPNOTSUPP; | |
1128 | ||
1129 | cifs_dbg(FYI, "offset %lld len %lld", offset, len); | |
1130 | ||
1131 | fsctl_buf.FileOffset = cpu_to_le64(offset); | |
1132 | fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len); | |
1133 | ||
1134 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
1135 | cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, | |
1136 | true /* is_fctl */, (char *)&fsctl_buf, | |
1137 | sizeof(struct file_zero_data_information), NULL, NULL); | |
1138 | free_xid(xid); | |
1139 | return rc; | |
1140 | } | |
1141 | ||
31742c5a SF |
1142 | static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon, |
1143 | loff_t offset, loff_t len) | |
1144 | { | |
1145 | struct inode *inode; | |
1146 | struct cifsInodeInfo *cifsi; | |
1147 | struct cifsFileInfo *cfile = file->private_data; | |
1148 | struct file_zero_data_information fsctl_buf; | |
1149 | long rc; | |
1150 | unsigned int xid; | |
1151 | __u8 set_sparse = 1; | |
1152 | ||
1153 | xid = get_xid(); | |
1154 | ||
2b0143b5 | 1155 | inode = d_inode(cfile->dentry); |
31742c5a SF |
1156 | cifsi = CIFS_I(inode); |
1157 | ||
1158 | /* Need to make file sparse, if not already, before freeing range. */ | |
1159 | /* Consider adding equivalent for compressed since it could also work */ | |
1160 | if (!smb2_set_sparse(xid, tcon, cfile, inode, set_sparse)) | |
1161 | return -EOPNOTSUPP; | |
1162 | ||
1163 | cifs_dbg(FYI, "offset %lld len %lld", offset, len); | |
1164 | ||
1165 | fsctl_buf.FileOffset = cpu_to_le64(offset); | |
1166 | fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len); | |
1167 | ||
1168 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
1169 | cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, | |
1170 | true /* is_fctl */, (char *)&fsctl_buf, | |
1171 | sizeof(struct file_zero_data_information), NULL, NULL); | |
1172 | free_xid(xid); | |
1173 | return rc; | |
1174 | } | |
1175 | ||
9ccf3216 SF |
1176 | static long smb3_simple_falloc(struct file *file, struct cifs_tcon *tcon, |
1177 | loff_t off, loff_t len, bool keep_size) | |
1178 | { | |
1179 | struct inode *inode; | |
1180 | struct cifsInodeInfo *cifsi; | |
1181 | struct cifsFileInfo *cfile = file->private_data; | |
1182 | long rc = -EOPNOTSUPP; | |
1183 | unsigned int xid; | |
1184 | ||
1185 | xid = get_xid(); | |
1186 | ||
2b0143b5 | 1187 | inode = d_inode(cfile->dentry); |
9ccf3216 SF |
1188 | cifsi = CIFS_I(inode); |
1189 | ||
1190 | /* if file not oplocked can't be sure whether asking to extend size */ | |
1191 | if (!CIFS_CACHE_READ(cifsi)) | |
1192 | if (keep_size == false) | |
1193 | return -EOPNOTSUPP; | |
1194 | ||
1195 | /* | |
1196 | * Files are non-sparse by default so falloc may be a no-op | |
1197 | * Must check if file sparse. If not sparse, and not extending | |
1198 | * then no need to do anything since file already allocated | |
1199 | */ | |
1200 | if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) == 0) { | |
1201 | if (keep_size == true) | |
1202 | return 0; | |
1203 | /* check if extending file */ | |
1204 | else if (i_size_read(inode) >= off + len) | |
1205 | /* not extending file and already not sparse */ | |
1206 | return 0; | |
1207 | /* BB: in future add else clause to extend file */ | |
1208 | else | |
1209 | return -EOPNOTSUPP; | |
1210 | } | |
1211 | ||
1212 | if ((keep_size == true) || (i_size_read(inode) >= off + len)) { | |
1213 | /* | |
1214 | * Check if falloc starts within first few pages of file | |
1215 | * and ends within a few pages of the end of file to | |
1216 | * ensure that most of file is being forced to be | |
1217 | * fallocated now. If so then setting whole file sparse | |
1218 | * ie potentially making a few extra pages at the beginning | |
1219 | * or end of the file non-sparse via set_sparse is harmless. | |
1220 | */ | |
1221 | if ((off > 8192) || (off + len + 8192 < i_size_read(inode))) | |
1222 | return -EOPNOTSUPP; | |
1223 | ||
1224 | rc = smb2_set_sparse(xid, tcon, cfile, inode, false); | |
1225 | } | |
1226 | /* BB: else ... in future add code to extend file and set sparse */ | |
1227 | ||
1228 | ||
1229 | free_xid(xid); | |
1230 | return rc; | |
1231 | } | |
1232 | ||
1233 | ||
31742c5a SF |
1234 | static long smb3_fallocate(struct file *file, struct cifs_tcon *tcon, int mode, |
1235 | loff_t off, loff_t len) | |
1236 | { | |
1237 | /* KEEP_SIZE already checked for by do_fallocate */ | |
1238 | if (mode & FALLOC_FL_PUNCH_HOLE) | |
1239 | return smb3_punch_hole(file, tcon, off, len); | |
30175628 SF |
1240 | else if (mode & FALLOC_FL_ZERO_RANGE) { |
1241 | if (mode & FALLOC_FL_KEEP_SIZE) | |
1242 | return smb3_zero_range(file, tcon, off, len, true); | |
1243 | return smb3_zero_range(file, tcon, off, len, false); | |
9ccf3216 SF |
1244 | } else if (mode == FALLOC_FL_KEEP_SIZE) |
1245 | return smb3_simple_falloc(file, tcon, off, len, true); | |
1246 | else if (mode == 0) | |
1247 | return smb3_simple_falloc(file, tcon, off, len, false); | |
31742c5a SF |
1248 | |
1249 | return -EOPNOTSUPP; | |
1250 | } | |
1251 | ||
c11f1df5 SP |
1252 | static void |
1253 | smb2_downgrade_oplock(struct TCP_Server_Info *server, | |
1254 | struct cifsInodeInfo *cinode, bool set_level2) | |
1255 | { | |
1256 | if (set_level2) | |
1257 | server->ops->set_oplock_level(cinode, SMB2_OPLOCK_LEVEL_II, | |
1258 | 0, NULL); | |
1259 | else | |
1260 | server->ops->set_oplock_level(cinode, 0, 0, NULL); | |
1261 | } | |
1262 | ||
53ef1016 | 1263 | static void |
42873b0a PS |
1264 | smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, |
1265 | unsigned int epoch, bool *purge_cache) | |
53ef1016 PS |
1266 | { |
1267 | oplock &= 0xFF; | |
1268 | if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE) | |
1269 | return; | |
1270 | if (oplock == SMB2_OPLOCK_LEVEL_BATCH) { | |
42873b0a | 1271 | cinode->oplock = CIFS_CACHE_RHW_FLG; |
53ef1016 PS |
1272 | cifs_dbg(FYI, "Batch Oplock granted on inode %p\n", |
1273 | &cinode->vfs_inode); | |
1274 | } else if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) { | |
42873b0a | 1275 | cinode->oplock = CIFS_CACHE_RW_FLG; |
53ef1016 PS |
1276 | cifs_dbg(FYI, "Exclusive Oplock granted on inode %p\n", |
1277 | &cinode->vfs_inode); | |
1278 | } else if (oplock == SMB2_OPLOCK_LEVEL_II) { | |
1279 | cinode->oplock = CIFS_CACHE_READ_FLG; | |
1280 | cifs_dbg(FYI, "Level II Oplock granted on inode %p\n", | |
1281 | &cinode->vfs_inode); | |
1282 | } else | |
1283 | cinode->oplock = 0; | |
1284 | } | |
1285 | ||
1286 | static void | |
42873b0a PS |
1287 | smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, |
1288 | unsigned int epoch, bool *purge_cache) | |
53ef1016 PS |
1289 | { |
1290 | char message[5] = {0}; | |
1291 | ||
1292 | oplock &= 0xFF; | |
1293 | if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE) | |
1294 | return; | |
1295 | ||
1296 | cinode->oplock = 0; | |
1297 | if (oplock & SMB2_LEASE_READ_CACHING_HE) { | |
1298 | cinode->oplock |= CIFS_CACHE_READ_FLG; | |
1299 | strcat(message, "R"); | |
1300 | } | |
1301 | if (oplock & SMB2_LEASE_HANDLE_CACHING_HE) { | |
1302 | cinode->oplock |= CIFS_CACHE_HANDLE_FLG; | |
1303 | strcat(message, "H"); | |
1304 | } | |
1305 | if (oplock & SMB2_LEASE_WRITE_CACHING_HE) { | |
1306 | cinode->oplock |= CIFS_CACHE_WRITE_FLG; | |
1307 | strcat(message, "W"); | |
1308 | } | |
1309 | if (!cinode->oplock) | |
1310 | strcat(message, "None"); | |
1311 | cifs_dbg(FYI, "%s Lease granted on inode %p\n", message, | |
1312 | &cinode->vfs_inode); | |
1313 | } | |
1314 | ||
42873b0a PS |
1315 | static void |
1316 | smb3_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, | |
1317 | unsigned int epoch, bool *purge_cache) | |
1318 | { | |
1319 | unsigned int old_oplock = cinode->oplock; | |
1320 | ||
1321 | smb21_set_oplock_level(cinode, oplock, epoch, purge_cache); | |
1322 | ||
1323 | if (purge_cache) { | |
1324 | *purge_cache = false; | |
1325 | if (old_oplock == CIFS_CACHE_READ_FLG) { | |
1326 | if (cinode->oplock == CIFS_CACHE_READ_FLG && | |
1327 | (epoch - cinode->epoch > 0)) | |
1328 | *purge_cache = true; | |
1329 | else if (cinode->oplock == CIFS_CACHE_RH_FLG && | |
1330 | (epoch - cinode->epoch > 1)) | |
1331 | *purge_cache = true; | |
1332 | else if (cinode->oplock == CIFS_CACHE_RHW_FLG && | |
1333 | (epoch - cinode->epoch > 1)) | |
1334 | *purge_cache = true; | |
1335 | else if (cinode->oplock == 0 && | |
1336 | (epoch - cinode->epoch > 0)) | |
1337 | *purge_cache = true; | |
1338 | } else if (old_oplock == CIFS_CACHE_RH_FLG) { | |
1339 | if (cinode->oplock == CIFS_CACHE_RH_FLG && | |
1340 | (epoch - cinode->epoch > 0)) | |
1341 | *purge_cache = true; | |
1342 | else if (cinode->oplock == CIFS_CACHE_RHW_FLG && | |
1343 | (epoch - cinode->epoch > 1)) | |
1344 | *purge_cache = true; | |
1345 | } | |
1346 | cinode->epoch = epoch; | |
1347 | } | |
1348 | } | |
1349 | ||
53ef1016 PS |
1350 | static bool |
1351 | smb2_is_read_op(__u32 oplock) | |
1352 | { | |
1353 | return oplock == SMB2_OPLOCK_LEVEL_II; | |
1354 | } | |
1355 | ||
1356 | static bool | |
1357 | smb21_is_read_op(__u32 oplock) | |
1358 | { | |
1359 | return (oplock & SMB2_LEASE_READ_CACHING_HE) && | |
1360 | !(oplock & SMB2_LEASE_WRITE_CACHING_HE); | |
1361 | } | |
1362 | ||
f047390a PS |
1363 | static __le32 |
1364 | map_oplock_to_lease(u8 oplock) | |
1365 | { | |
1366 | if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) | |
1367 | return SMB2_LEASE_WRITE_CACHING | SMB2_LEASE_READ_CACHING; | |
1368 | else if (oplock == SMB2_OPLOCK_LEVEL_II) | |
1369 | return SMB2_LEASE_READ_CACHING; | |
1370 | else if (oplock == SMB2_OPLOCK_LEVEL_BATCH) | |
1371 | return SMB2_LEASE_HANDLE_CACHING | SMB2_LEASE_READ_CACHING | | |
1372 | SMB2_LEASE_WRITE_CACHING; | |
1373 | return 0; | |
1374 | } | |
1375 | ||
a41a28bd PS |
1376 | static char * |
1377 | smb2_create_lease_buf(u8 *lease_key, u8 oplock) | |
1378 | { | |
1379 | struct create_lease *buf; | |
1380 | ||
1381 | buf = kzalloc(sizeof(struct create_lease), GFP_KERNEL); | |
1382 | if (!buf) | |
1383 | return NULL; | |
1384 | ||
1385 | buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); | |
1386 | buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); | |
f047390a | 1387 | buf->lcontext.LeaseState = map_oplock_to_lease(oplock); |
a41a28bd PS |
1388 | |
1389 | buf->ccontext.DataOffset = cpu_to_le16(offsetof | |
1390 | (struct create_lease, lcontext)); | |
1391 | buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context)); | |
1392 | buf->ccontext.NameOffset = cpu_to_le16(offsetof | |
1393 | (struct create_lease, Name)); | |
1394 | buf->ccontext.NameLength = cpu_to_le16(4); | |
12197a7f | 1395 | /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */ |
a41a28bd PS |
1396 | buf->Name[0] = 'R'; |
1397 | buf->Name[1] = 'q'; | |
1398 | buf->Name[2] = 'L'; | |
1399 | buf->Name[3] = 's'; | |
1400 | return (char *)buf; | |
1401 | } | |
1402 | ||
f047390a PS |
1403 | static char * |
1404 | smb3_create_lease_buf(u8 *lease_key, u8 oplock) | |
1405 | { | |
1406 | struct create_lease_v2 *buf; | |
1407 | ||
1408 | buf = kzalloc(sizeof(struct create_lease_v2), GFP_KERNEL); | |
1409 | if (!buf) | |
1410 | return NULL; | |
1411 | ||
1412 | buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); | |
1413 | buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); | |
1414 | buf->lcontext.LeaseState = map_oplock_to_lease(oplock); | |
1415 | ||
1416 | buf->ccontext.DataOffset = cpu_to_le16(offsetof | |
1417 | (struct create_lease_v2, lcontext)); | |
1418 | buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context_v2)); | |
1419 | buf->ccontext.NameOffset = cpu_to_le16(offsetof | |
1420 | (struct create_lease_v2, Name)); | |
1421 | buf->ccontext.NameLength = cpu_to_le16(4); | |
12197a7f | 1422 | /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */ |
f047390a PS |
1423 | buf->Name[0] = 'R'; |
1424 | buf->Name[1] = 'q'; | |
1425 | buf->Name[2] = 'L'; | |
1426 | buf->Name[3] = 's'; | |
1427 | return (char *)buf; | |
1428 | } | |
1429 | ||
b5c7cde3 | 1430 | static __u8 |
42873b0a | 1431 | smb2_parse_lease_buf(void *buf, unsigned int *epoch) |
b5c7cde3 PS |
1432 | { |
1433 | struct create_lease *lc = (struct create_lease *)buf; | |
1434 | ||
42873b0a | 1435 | *epoch = 0; /* not used */ |
b5c7cde3 PS |
1436 | if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS) |
1437 | return SMB2_OPLOCK_LEVEL_NOCHANGE; | |
1438 | return le32_to_cpu(lc->lcontext.LeaseState); | |
1439 | } | |
1440 | ||
f047390a | 1441 | static __u8 |
42873b0a | 1442 | smb3_parse_lease_buf(void *buf, unsigned int *epoch) |
f047390a PS |
1443 | { |
1444 | struct create_lease_v2 *lc = (struct create_lease_v2 *)buf; | |
1445 | ||
42873b0a | 1446 | *epoch = le16_to_cpu(lc->lcontext.Epoch); |
f047390a PS |
1447 | if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS) |
1448 | return SMB2_OPLOCK_LEVEL_NOCHANGE; | |
1449 | return le32_to_cpu(lc->lcontext.LeaseState); | |
1450 | } | |
1451 | ||
7f6c5008 PS |
1452 | static unsigned int |
1453 | smb2_wp_retry_size(struct inode *inode) | |
1454 | { | |
1455 | return min_t(unsigned int, CIFS_SB(inode->i_sb)->wsize, | |
1456 | SMB2_MAX_BUFFER_SIZE); | |
1457 | } | |
1458 | ||
52755808 PS |
1459 | static bool |
1460 | smb2_dir_needs_close(struct cifsFileInfo *cfile) | |
1461 | { | |
1462 | return !cfile->invalidHandle; | |
1463 | } | |
1464 | ||
53ef1016 | 1465 | struct smb_version_operations smb20_operations = { |
027e8eec | 1466 | .compare_fids = smb2_compare_fids, |
2dc7e1c0 | 1467 | .setup_request = smb2_setup_request, |
c95b8eed | 1468 | .setup_async_request = smb2_setup_async_request, |
2dc7e1c0 | 1469 | .check_receive = smb2_check_receive, |
28ea5290 PS |
1470 | .add_credits = smb2_add_credits, |
1471 | .set_credits = smb2_set_credits, | |
1472 | .get_credits_field = smb2_get_credits_field, | |
1473 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1474 | .wait_mtu_credits = cifs_wait_mtu_credits, |
2dc7e1c0 | 1475 | .get_next_mid = smb2_get_next_mid, |
09a4707e PS |
1476 | .read_data_offset = smb2_read_data_offset, |
1477 | .read_data_length = smb2_read_data_length, | |
1478 | .map_error = map_smb2_to_linux_error, | |
093b2bda PS |
1479 | .find_mid = smb2_find_mid, |
1480 | .check_message = smb2_check_message, | |
1481 | .dump_detail = smb2_dump_detail, | |
d60622eb PS |
1482 | .clear_stats = smb2_clear_stats, |
1483 | .print_stats = smb2_print_stats, | |
983c88a4 | 1484 | .is_oplock_break = smb2_is_valid_oplock_break, |
c11f1df5 | 1485 | .downgrade_oplock = smb2_downgrade_oplock, |
ec2e4523 PS |
1486 | .need_neg = smb2_need_neg, |
1487 | .negotiate = smb2_negotiate, | |
3a3bab50 PS |
1488 | .negotiate_wsize = smb2_negotiate_wsize, |
1489 | .negotiate_rsize = smb2_negotiate_rsize, | |
5478f9ba PS |
1490 | .sess_setup = SMB2_sess_setup, |
1491 | .logoff = SMB2_logoff, | |
faaf946a PS |
1492 | .tree_connect = SMB2_tcon, |
1493 | .tree_disconnect = SMB2_tdis, | |
34f62640 | 1494 | .qfs_tcon = smb2_qfs_tcon, |
2503a0db | 1495 | .is_path_accessible = smb2_is_path_accessible, |
9094fad1 PS |
1496 | .can_echo = smb2_can_echo, |
1497 | .echo = SMB2_echo, | |
be4cb9e3 PS |
1498 | .query_path_info = smb2_query_path_info, |
1499 | .get_srv_inum = smb2_get_srv_inum, | |
b7546bc5 | 1500 | .query_file_info = smb2_query_file_info, |
c839ff24 PS |
1501 | .set_path_size = smb2_set_path_size, |
1502 | .set_file_size = smb2_set_file_size, | |
1feeaac7 | 1503 | .set_file_info = smb2_set_file_info, |
64a5cfa6 | 1504 | .set_compression = smb2_set_compression, |
a0e73183 PS |
1505 | .mkdir = smb2_mkdir, |
1506 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1a500f01 | 1507 | .rmdir = smb2_rmdir, |
cbe6f439 | 1508 | .unlink = smb2_unlink, |
35143eb5 | 1509 | .rename = smb2_rename_path, |
568798cc | 1510 | .create_hardlink = smb2_create_hardlink, |
b42bf888 | 1511 | .query_symlink = smb2_query_symlink, |
f0df737e PS |
1512 | .open = smb2_open_file, |
1513 | .set_fid = smb2_set_fid, | |
1514 | .close = smb2_close_file, | |
7a5cfb19 | 1515 | .flush = smb2_flush_file, |
09a4707e | 1516 | .async_readv = smb2_async_readv, |
33319141 | 1517 | .async_writev = smb2_async_writev, |
d8e05039 | 1518 | .sync_read = smb2_sync_read, |
009d3443 | 1519 | .sync_write = smb2_sync_write, |
d324f08d PS |
1520 | .query_dir_first = smb2_query_dir_first, |
1521 | .query_dir_next = smb2_query_dir_next, | |
1522 | .close_dir = smb2_close_dir, | |
1523 | .calc_smb_size = smb2_calc_size, | |
2e44b288 | 1524 | .is_status_pending = smb2_is_status_pending, |
983c88a4 | 1525 | .oplock_response = smb2_oplock_response, |
6fc05c25 | 1526 | .queryfs = smb2_queryfs, |
f7ba7fe6 PS |
1527 | .mand_lock = smb2_mand_lock, |
1528 | .mand_unlock_range = smb2_unlock_range, | |
b140799a | 1529 | .push_mand_locks = smb2_push_mandatory_locks, |
b8c32dbb PS |
1530 | .get_lease_key = smb2_get_lease_key, |
1531 | .set_lease_key = smb2_set_lease_key, | |
1532 | .new_lease_key = smb2_new_lease_key, | |
38107d45 | 1533 | .calc_signature = smb2_calc_signature, |
53ef1016 PS |
1534 | .is_read_op = smb2_is_read_op, |
1535 | .set_oplock_level = smb2_set_oplock_level, | |
a41a28bd | 1536 | .create_lease_buf = smb2_create_lease_buf, |
b5c7cde3 | 1537 | .parse_lease_buf = smb2_parse_lease_buf, |
41c1358e | 1538 | .clone_range = smb2_clone_range, |
7f6c5008 | 1539 | .wp_retry_size = smb2_wp_retry_size, |
52755808 | 1540 | .dir_needs_close = smb2_dir_needs_close, |
38107d45 SF |
1541 | }; |
1542 | ||
53ef1016 PS |
1543 | struct smb_version_operations smb21_operations = { |
1544 | .compare_fids = smb2_compare_fids, | |
1545 | .setup_request = smb2_setup_request, | |
1546 | .setup_async_request = smb2_setup_async_request, | |
1547 | .check_receive = smb2_check_receive, | |
1548 | .add_credits = smb2_add_credits, | |
1549 | .set_credits = smb2_set_credits, | |
1550 | .get_credits_field = smb2_get_credits_field, | |
1551 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1552 | .wait_mtu_credits = smb2_wait_mtu_credits, |
53ef1016 PS |
1553 | .get_next_mid = smb2_get_next_mid, |
1554 | .read_data_offset = smb2_read_data_offset, | |
1555 | .read_data_length = smb2_read_data_length, | |
1556 | .map_error = map_smb2_to_linux_error, | |
1557 | .find_mid = smb2_find_mid, | |
1558 | .check_message = smb2_check_message, | |
1559 | .dump_detail = smb2_dump_detail, | |
1560 | .clear_stats = smb2_clear_stats, | |
1561 | .print_stats = smb2_print_stats, | |
1562 | .is_oplock_break = smb2_is_valid_oplock_break, | |
c11f1df5 | 1563 | .downgrade_oplock = smb2_downgrade_oplock, |
53ef1016 PS |
1564 | .need_neg = smb2_need_neg, |
1565 | .negotiate = smb2_negotiate, | |
1566 | .negotiate_wsize = smb2_negotiate_wsize, | |
1567 | .negotiate_rsize = smb2_negotiate_rsize, | |
1568 | .sess_setup = SMB2_sess_setup, | |
1569 | .logoff = SMB2_logoff, | |
1570 | .tree_connect = SMB2_tcon, | |
1571 | .tree_disconnect = SMB2_tdis, | |
34f62640 | 1572 | .qfs_tcon = smb2_qfs_tcon, |
53ef1016 PS |
1573 | .is_path_accessible = smb2_is_path_accessible, |
1574 | .can_echo = smb2_can_echo, | |
1575 | .echo = SMB2_echo, | |
1576 | .query_path_info = smb2_query_path_info, | |
1577 | .get_srv_inum = smb2_get_srv_inum, | |
1578 | .query_file_info = smb2_query_file_info, | |
1579 | .set_path_size = smb2_set_path_size, | |
1580 | .set_file_size = smb2_set_file_size, | |
1581 | .set_file_info = smb2_set_file_info, | |
64a5cfa6 | 1582 | .set_compression = smb2_set_compression, |
53ef1016 PS |
1583 | .mkdir = smb2_mkdir, |
1584 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1585 | .rmdir = smb2_rmdir, | |
1586 | .unlink = smb2_unlink, | |
1587 | .rename = smb2_rename_path, | |
1588 | .create_hardlink = smb2_create_hardlink, | |
1589 | .query_symlink = smb2_query_symlink, | |
c22870ea | 1590 | .query_mf_symlink = smb3_query_mf_symlink, |
5ab97578 | 1591 | .create_mf_symlink = smb3_create_mf_symlink, |
53ef1016 PS |
1592 | .open = smb2_open_file, |
1593 | .set_fid = smb2_set_fid, | |
1594 | .close = smb2_close_file, | |
1595 | .flush = smb2_flush_file, | |
1596 | .async_readv = smb2_async_readv, | |
1597 | .async_writev = smb2_async_writev, | |
1598 | .sync_read = smb2_sync_read, | |
1599 | .sync_write = smb2_sync_write, | |
1600 | .query_dir_first = smb2_query_dir_first, | |
1601 | .query_dir_next = smb2_query_dir_next, | |
1602 | .close_dir = smb2_close_dir, | |
1603 | .calc_smb_size = smb2_calc_size, | |
1604 | .is_status_pending = smb2_is_status_pending, | |
1605 | .oplock_response = smb2_oplock_response, | |
1606 | .queryfs = smb2_queryfs, | |
1607 | .mand_lock = smb2_mand_lock, | |
1608 | .mand_unlock_range = smb2_unlock_range, | |
1609 | .push_mand_locks = smb2_push_mandatory_locks, | |
1610 | .get_lease_key = smb2_get_lease_key, | |
1611 | .set_lease_key = smb2_set_lease_key, | |
1612 | .new_lease_key = smb2_new_lease_key, | |
1613 | .calc_signature = smb2_calc_signature, | |
1614 | .is_read_op = smb21_is_read_op, | |
1615 | .set_oplock_level = smb21_set_oplock_level, | |
a41a28bd | 1616 | .create_lease_buf = smb2_create_lease_buf, |
b5c7cde3 | 1617 | .parse_lease_buf = smb2_parse_lease_buf, |
41c1358e | 1618 | .clone_range = smb2_clone_range, |
7f6c5008 | 1619 | .wp_retry_size = smb2_wp_retry_size, |
52755808 | 1620 | .dir_needs_close = smb2_dir_needs_close, |
53ef1016 | 1621 | }; |
38107d45 SF |
1622 | |
1623 | struct smb_version_operations smb30_operations = { | |
1624 | .compare_fids = smb2_compare_fids, | |
1625 | .setup_request = smb2_setup_request, | |
1626 | .setup_async_request = smb2_setup_async_request, | |
1627 | .check_receive = smb2_check_receive, | |
1628 | .add_credits = smb2_add_credits, | |
1629 | .set_credits = smb2_set_credits, | |
1630 | .get_credits_field = smb2_get_credits_field, | |
1631 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1632 | .wait_mtu_credits = smb2_wait_mtu_credits, |
38107d45 SF |
1633 | .get_next_mid = smb2_get_next_mid, |
1634 | .read_data_offset = smb2_read_data_offset, | |
1635 | .read_data_length = smb2_read_data_length, | |
1636 | .map_error = map_smb2_to_linux_error, | |
1637 | .find_mid = smb2_find_mid, | |
1638 | .check_message = smb2_check_message, | |
1639 | .dump_detail = smb2_dump_detail, | |
1640 | .clear_stats = smb2_clear_stats, | |
1641 | .print_stats = smb2_print_stats, | |
769ee6a4 | 1642 | .dump_share_caps = smb2_dump_share_caps, |
38107d45 | 1643 | .is_oplock_break = smb2_is_valid_oplock_break, |
c11f1df5 | 1644 | .downgrade_oplock = smb2_downgrade_oplock, |
38107d45 SF |
1645 | .need_neg = smb2_need_neg, |
1646 | .negotiate = smb2_negotiate, | |
1647 | .negotiate_wsize = smb2_negotiate_wsize, | |
1648 | .negotiate_rsize = smb2_negotiate_rsize, | |
1649 | .sess_setup = SMB2_sess_setup, | |
1650 | .logoff = SMB2_logoff, | |
1651 | .tree_connect = SMB2_tcon, | |
1652 | .tree_disconnect = SMB2_tdis, | |
af6a12ea | 1653 | .qfs_tcon = smb3_qfs_tcon, |
38107d45 SF |
1654 | .is_path_accessible = smb2_is_path_accessible, |
1655 | .can_echo = smb2_can_echo, | |
1656 | .echo = SMB2_echo, | |
1657 | .query_path_info = smb2_query_path_info, | |
1658 | .get_srv_inum = smb2_get_srv_inum, | |
1659 | .query_file_info = smb2_query_file_info, | |
1660 | .set_path_size = smb2_set_path_size, | |
1661 | .set_file_size = smb2_set_file_size, | |
1662 | .set_file_info = smb2_set_file_info, | |
64a5cfa6 | 1663 | .set_compression = smb2_set_compression, |
38107d45 SF |
1664 | .mkdir = smb2_mkdir, |
1665 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1666 | .rmdir = smb2_rmdir, | |
1667 | .unlink = smb2_unlink, | |
1668 | .rename = smb2_rename_path, | |
1669 | .create_hardlink = smb2_create_hardlink, | |
b42bf888 | 1670 | .query_symlink = smb2_query_symlink, |
c22870ea | 1671 | .query_mf_symlink = smb3_query_mf_symlink, |
5ab97578 | 1672 | .create_mf_symlink = smb3_create_mf_symlink, |
38107d45 SF |
1673 | .open = smb2_open_file, |
1674 | .set_fid = smb2_set_fid, | |
1675 | .close = smb2_close_file, | |
1676 | .flush = smb2_flush_file, | |
1677 | .async_readv = smb2_async_readv, | |
1678 | .async_writev = smb2_async_writev, | |
1679 | .sync_read = smb2_sync_read, | |
1680 | .sync_write = smb2_sync_write, | |
1681 | .query_dir_first = smb2_query_dir_first, | |
1682 | .query_dir_next = smb2_query_dir_next, | |
1683 | .close_dir = smb2_close_dir, | |
1684 | .calc_smb_size = smb2_calc_size, | |
1685 | .is_status_pending = smb2_is_status_pending, | |
1686 | .oplock_response = smb2_oplock_response, | |
1687 | .queryfs = smb2_queryfs, | |
1688 | .mand_lock = smb2_mand_lock, | |
1689 | .mand_unlock_range = smb2_unlock_range, | |
1690 | .push_mand_locks = smb2_push_mandatory_locks, | |
1691 | .get_lease_key = smb2_get_lease_key, | |
1692 | .set_lease_key = smb2_set_lease_key, | |
1693 | .new_lease_key = smb2_new_lease_key, | |
e65a5cb4 | 1694 | .generate_signingkey = generate_smb3signingkey, |
38107d45 | 1695 | .calc_signature = smb3_calc_signature, |
b3152e2c | 1696 | .set_integrity = smb3_set_integrity, |
53ef1016 | 1697 | .is_read_op = smb21_is_read_op, |
42873b0a | 1698 | .set_oplock_level = smb3_set_oplock_level, |
f047390a PS |
1699 | .create_lease_buf = smb3_create_lease_buf, |
1700 | .parse_lease_buf = smb3_parse_lease_buf, | |
41c1358e | 1701 | .clone_range = smb2_clone_range, |
ff1c038a | 1702 | .validate_negotiate = smb3_validate_negotiate, |
7f6c5008 | 1703 | .wp_retry_size = smb2_wp_retry_size, |
52755808 | 1704 | .dir_needs_close = smb2_dir_needs_close, |
31742c5a | 1705 | .fallocate = smb3_fallocate, |
1080ef75 SF |
1706 | }; |
1707 | ||
aab1893d SF |
1708 | #ifdef CONFIG_CIFS_SMB311 |
1709 | struct smb_version_operations smb311_operations = { | |
1710 | .compare_fids = smb2_compare_fids, | |
1711 | .setup_request = smb2_setup_request, | |
1712 | .setup_async_request = smb2_setup_async_request, | |
1713 | .check_receive = smb2_check_receive, | |
1714 | .add_credits = smb2_add_credits, | |
1715 | .set_credits = smb2_set_credits, | |
1716 | .get_credits_field = smb2_get_credits_field, | |
1717 | .get_credits = smb2_get_credits, | |
1718 | .wait_mtu_credits = smb2_wait_mtu_credits, | |
1719 | .get_next_mid = smb2_get_next_mid, | |
1720 | .read_data_offset = smb2_read_data_offset, | |
1721 | .read_data_length = smb2_read_data_length, | |
1722 | .map_error = map_smb2_to_linux_error, | |
1723 | .find_mid = smb2_find_mid, | |
1724 | .check_message = smb2_check_message, | |
1725 | .dump_detail = smb2_dump_detail, | |
1726 | .clear_stats = smb2_clear_stats, | |
1727 | .print_stats = smb2_print_stats, | |
1728 | .dump_share_caps = smb2_dump_share_caps, | |
1729 | .is_oplock_break = smb2_is_valid_oplock_break, | |
1730 | .downgrade_oplock = smb2_downgrade_oplock, | |
1731 | .need_neg = smb2_need_neg, | |
1732 | .negotiate = smb2_negotiate, | |
1733 | .negotiate_wsize = smb2_negotiate_wsize, | |
1734 | .negotiate_rsize = smb2_negotiate_rsize, | |
1735 | .sess_setup = SMB2_sess_setup, | |
1736 | .logoff = SMB2_logoff, | |
1737 | .tree_connect = SMB2_tcon, | |
1738 | .tree_disconnect = SMB2_tdis, | |
1739 | .qfs_tcon = smb3_qfs_tcon, | |
1740 | .is_path_accessible = smb2_is_path_accessible, | |
1741 | .can_echo = smb2_can_echo, | |
1742 | .echo = SMB2_echo, | |
1743 | .query_path_info = smb2_query_path_info, | |
1744 | .get_srv_inum = smb2_get_srv_inum, | |
1745 | .query_file_info = smb2_query_file_info, | |
1746 | .set_path_size = smb2_set_path_size, | |
1747 | .set_file_size = smb2_set_file_size, | |
1748 | .set_file_info = smb2_set_file_info, | |
1749 | .set_compression = smb2_set_compression, | |
1750 | .mkdir = smb2_mkdir, | |
1751 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1752 | .rmdir = smb2_rmdir, | |
1753 | .unlink = smb2_unlink, | |
1754 | .rename = smb2_rename_path, | |
1755 | .create_hardlink = smb2_create_hardlink, | |
1756 | .query_symlink = smb2_query_symlink, | |
1757 | .query_mf_symlink = smb3_query_mf_symlink, | |
1758 | .create_mf_symlink = smb3_create_mf_symlink, | |
1759 | .open = smb2_open_file, | |
1760 | .set_fid = smb2_set_fid, | |
1761 | .close = smb2_close_file, | |
1762 | .flush = smb2_flush_file, | |
1763 | .async_readv = smb2_async_readv, | |
1764 | .async_writev = smb2_async_writev, | |
1765 | .sync_read = smb2_sync_read, | |
1766 | .sync_write = smb2_sync_write, | |
1767 | .query_dir_first = smb2_query_dir_first, | |
1768 | .query_dir_next = smb2_query_dir_next, | |
1769 | .close_dir = smb2_close_dir, | |
1770 | .calc_smb_size = smb2_calc_size, | |
1771 | .is_status_pending = smb2_is_status_pending, | |
1772 | .oplock_response = smb2_oplock_response, | |
1773 | .queryfs = smb2_queryfs, | |
1774 | .mand_lock = smb2_mand_lock, | |
1775 | .mand_unlock_range = smb2_unlock_range, | |
1776 | .push_mand_locks = smb2_push_mandatory_locks, | |
1777 | .get_lease_key = smb2_get_lease_key, | |
1778 | .set_lease_key = smb2_set_lease_key, | |
1779 | .new_lease_key = smb2_new_lease_key, | |
1780 | .generate_signingkey = generate_smb3signingkey, | |
1781 | .calc_signature = smb3_calc_signature, | |
b3152e2c | 1782 | .set_integrity = smb3_set_integrity, |
aab1893d SF |
1783 | .is_read_op = smb21_is_read_op, |
1784 | .set_oplock_level = smb3_set_oplock_level, | |
1785 | .create_lease_buf = smb3_create_lease_buf, | |
1786 | .parse_lease_buf = smb3_parse_lease_buf, | |
1787 | .clone_range = smb2_clone_range, | |
02b16665 | 1788 | .duplicate_extents = smb2_duplicate_extents, |
aab1893d SF |
1789 | /* .validate_negotiate = smb3_validate_negotiate, */ /* not used in 3.11 */ |
1790 | .wp_retry_size = smb2_wp_retry_size, | |
1791 | .dir_needs_close = smb2_dir_needs_close, | |
1792 | .fallocate = smb3_fallocate, | |
1793 | }; | |
1794 | #endif /* CIFS_SMB311 */ | |
1795 | ||
dd446b16 SF |
1796 | struct smb_version_values smb20_values = { |
1797 | .version_string = SMB20_VERSION_STRING, | |
1798 | .protocol_id = SMB20_PROT_ID, | |
1799 | .req_capabilities = 0, /* MBZ */ | |
1800 | .large_lock_type = 0, | |
1801 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1802 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1803 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1804 | .header_size = sizeof(struct smb2_hdr), | |
1805 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1806 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1807 | .lock_cmd = SMB2_LOCK, | |
1808 | .cap_unix = 0, | |
1809 | .cap_nt_find = SMB2_NT_FIND, | |
1810 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1811 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1812 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
a41a28bd | 1813 | .create_lease_size = sizeof(struct create_lease), |
dd446b16 SF |
1814 | }; |
1815 | ||
1080ef75 SF |
1816 | struct smb_version_values smb21_values = { |
1817 | .version_string = SMB21_VERSION_STRING, | |
e4aa25e7 SF |
1818 | .protocol_id = SMB21_PROT_ID, |
1819 | .req_capabilities = 0, /* MBZ on negotiate req until SMB3 dialect */ | |
1820 | .large_lock_type = 0, | |
1821 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1822 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1823 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1824 | .header_size = sizeof(struct smb2_hdr), | |
1825 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1826 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1827 | .lock_cmd = SMB2_LOCK, | |
1828 | .cap_unix = 0, | |
1829 | .cap_nt_find = SMB2_NT_FIND, | |
1830 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1831 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1832 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
a41a28bd | 1833 | .create_lease_size = sizeof(struct create_lease), |
e4aa25e7 SF |
1834 | }; |
1835 | ||
1836 | struct smb_version_values smb30_values = { | |
1837 | .version_string = SMB30_VERSION_STRING, | |
1838 | .protocol_id = SMB30_PROT_ID, | |
1839 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, | |
027e8eec PS |
1840 | .large_lock_type = 0, |
1841 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1842 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1843 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
093b2bda PS |
1844 | .header_size = sizeof(struct smb2_hdr), |
1845 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
09a4707e | 1846 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, |
2dc7e1c0 | 1847 | .lock_cmd = SMB2_LOCK, |
29e20f9c PS |
1848 | .cap_unix = 0, |
1849 | .cap_nt_find = SMB2_NT_FIND, | |
1850 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1851 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1852 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
f047390a | 1853 | .create_lease_size = sizeof(struct create_lease_v2), |
1080ef75 | 1854 | }; |
20b6d8b4 SF |
1855 | |
1856 | struct smb_version_values smb302_values = { | |
1857 | .version_string = SMB302_VERSION_STRING, | |
1858 | .protocol_id = SMB302_PROT_ID, | |
1859 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, | |
1860 | .large_lock_type = 0, | |
1861 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1862 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1863 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1864 | .header_size = sizeof(struct smb2_hdr), | |
1865 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1866 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1867 | .lock_cmd = SMB2_LOCK, | |
1868 | .cap_unix = 0, | |
1869 | .cap_nt_find = SMB2_NT_FIND, | |
1870 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1871 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1872 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
f047390a | 1873 | .create_lease_size = sizeof(struct create_lease_v2), |
20b6d8b4 | 1874 | }; |
5f7fbf73 SF |
1875 | |
1876 | #ifdef CONFIG_CIFS_SMB311 | |
1877 | struct smb_version_values smb311_values = { | |
1878 | .version_string = SMB311_VERSION_STRING, | |
1879 | .protocol_id = SMB311_PROT_ID, | |
1880 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, | |
1881 | .large_lock_type = 0, | |
1882 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1883 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1884 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1885 | .header_size = sizeof(struct smb2_hdr), | |
1886 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1887 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1888 | .lock_cmd = SMB2_LOCK, | |
1889 | .cap_unix = 0, | |
1890 | .cap_nt_find = SMB2_NT_FIND, | |
1891 | .cap_large_files = SMB2_LARGE_FILES, | |
1892 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1893 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1894 | .create_lease_size = sizeof(struct create_lease_v2), | |
1895 | }; | |
1896 | #endif /* SMB311 */ |