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; | |
179 | ||
180 | spin_lock(&GlobalMid_Lock); | |
181 | list_for_each_entry(mid, &server->pending_mid_q, qhead) { | |
182 | if ((mid->mid == hdr->MessageId) && | |
183 | (mid->mid_state == MID_REQUEST_SUBMITTED) && | |
184 | (mid->command == hdr->Command)) { | |
185 | spin_unlock(&GlobalMid_Lock); | |
186 | return mid; | |
187 | } | |
188 | } | |
189 | spin_unlock(&GlobalMid_Lock); | |
190 | return NULL; | |
191 | } | |
192 | ||
193 | static void | |
194 | smb2_dump_detail(void *buf) | |
195 | { | |
196 | #ifdef CONFIG_CIFS_DEBUG2 | |
197 | struct smb2_hdr *smb = (struct smb2_hdr *)buf; | |
198 | ||
f96637be JP |
199 | cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n", |
200 | smb->Command, smb->Status, smb->Flags, smb->MessageId, | |
201 | smb->ProcessId); | |
202 | cifs_dbg(VFS, "smb buf %p len %u\n", smb, smb2_calc_size(smb)); | |
093b2bda PS |
203 | #endif |
204 | } | |
205 | ||
ec2e4523 PS |
206 | static bool |
207 | smb2_need_neg(struct TCP_Server_Info *server) | |
208 | { | |
209 | return server->max_read == 0; | |
210 | } | |
211 | ||
212 | static int | |
213 | smb2_negotiate(const unsigned int xid, struct cifs_ses *ses) | |
214 | { | |
215 | int rc; | |
216 | ses->server->CurrentMid = 0; | |
217 | rc = SMB2_negotiate(xid, ses); | |
218 | /* BB we probably don't need to retry with modern servers */ | |
219 | if (rc == -EAGAIN) | |
220 | rc = -EHOSTDOWN; | |
221 | return rc; | |
222 | } | |
223 | ||
3a3bab50 PS |
224 | static unsigned int |
225 | smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) | |
226 | { | |
227 | struct TCP_Server_Info *server = tcon->ses->server; | |
228 | unsigned int wsize; | |
229 | ||
230 | /* start with specified wsize, or default */ | |
231 | wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE; | |
232 | wsize = min_t(unsigned int, wsize, server->max_write); | |
cb7e9eab PS |
233 | |
234 | if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) | |
235 | wsize = min_t(unsigned int, wsize, SMB2_MAX_BUFFER_SIZE); | |
3a3bab50 | 236 | |
3a3bab50 PS |
237 | return wsize; |
238 | } | |
239 | ||
240 | static unsigned int | |
241 | smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) | |
242 | { | |
243 | struct TCP_Server_Info *server = tcon->ses->server; | |
244 | unsigned int rsize; | |
245 | ||
246 | /* start with specified rsize, or default */ | |
247 | rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE; | |
248 | rsize = min_t(unsigned int, rsize, server->max_read); | |
bed9da02 PS |
249 | |
250 | if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) | |
251 | rsize = min_t(unsigned int, rsize, SMB2_MAX_BUFFER_SIZE); | |
3a3bab50 | 252 | |
3a3bab50 PS |
253 | return rsize; |
254 | } | |
255 | ||
c481e9fe SF |
256 | #ifdef CONFIG_CIFS_STATS2 |
257 | static int | |
258 | SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon) | |
259 | { | |
260 | int rc; | |
261 | unsigned int ret_data_len = 0; | |
262 | struct network_interface_info_ioctl_rsp *out_buf; | |
263 | ||
264 | rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, | |
265 | FSCTL_QUERY_NETWORK_INTERFACE_INFO, true /* is_fsctl */, | |
266 | NULL /* no data input */, 0 /* no data input */, | |
267 | (char **)&out_buf, &ret_data_len); | |
268 | ||
269 | if ((rc == 0) && (ret_data_len > 0)) { | |
270 | /* Dump info on first interface */ | |
271 | cifs_dbg(FYI, "Adapter Capability 0x%x\t", | |
272 | le32_to_cpu(out_buf->Capability)); | |
273 | cifs_dbg(FYI, "Link Speed %lld\n", | |
274 | le64_to_cpu(out_buf->LinkSpeed)); | |
275 | } else | |
276 | cifs_dbg(VFS, "error %d on ioctl to get interface list\n", rc); | |
277 | ||
278 | return rc; | |
279 | } | |
280 | #endif /* STATS2 */ | |
281 | ||
af6a12ea SF |
282 | static void |
283 | smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
284 | { | |
285 | int rc; | |
286 | __le16 srch_path = 0; /* Null - open root of share */ | |
287 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
288 | struct cifs_open_parms oparms; | |
289 | struct cifs_fid fid; | |
290 | ||
291 | oparms.tcon = tcon; | |
292 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
293 | oparms.disposition = FILE_OPEN; | |
294 | oparms.create_options = 0; | |
295 | oparms.fid = &fid; | |
296 | oparms.reconnect = false; | |
297 | ||
298 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
299 | if (rc) | |
300 | return; | |
301 | ||
c481e9fe SF |
302 | #ifdef CONFIG_CIFS_STATS2 |
303 | SMB3_request_interfaces(xid, tcon); | |
304 | #endif /* STATS2 */ | |
305 | ||
af6a12ea SF |
306 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
307 | FS_ATTRIBUTE_INFORMATION); | |
308 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
309 | FS_DEVICE_INFORMATION); | |
310 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
311 | FS_SECTOR_SIZE_INFORMATION); /* SMB3 specific */ | |
312 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
313 | return; | |
314 | } | |
315 | ||
34f62640 SF |
316 | static void |
317 | smb2_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
318 | { | |
319 | int rc; | |
320 | __le16 srch_path = 0; /* Null - open root of share */ | |
321 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
322 | struct cifs_open_parms oparms; | |
323 | struct cifs_fid fid; | |
324 | ||
325 | oparms.tcon = tcon; | |
326 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
327 | oparms.disposition = FILE_OPEN; | |
328 | oparms.create_options = 0; | |
329 | oparms.fid = &fid; | |
330 | oparms.reconnect = false; | |
331 | ||
332 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
333 | if (rc) | |
334 | return; | |
335 | ||
2167114c SF |
336 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
337 | FS_ATTRIBUTE_INFORMATION); | |
338 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
339 | FS_DEVICE_INFORMATION); | |
34f62640 SF |
340 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); |
341 | return; | |
342 | } | |
343 | ||
2503a0db PS |
344 | static int |
345 | smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, | |
346 | struct cifs_sb_info *cifs_sb, const char *full_path) | |
347 | { | |
348 | int rc; | |
2503a0db | 349 | __le16 *utf16_path; |
2e44b288 | 350 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; |
064f6047 PS |
351 | struct cifs_open_parms oparms; |
352 | struct cifs_fid fid; | |
2503a0db PS |
353 | |
354 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
355 | if (!utf16_path) | |
356 | return -ENOMEM; | |
357 | ||
064f6047 PS |
358 | oparms.tcon = tcon; |
359 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
360 | oparms.disposition = FILE_OPEN; | |
361 | oparms.create_options = 0; | |
362 | oparms.fid = &fid; | |
9cbc0b73 | 363 | oparms.reconnect = false; |
064f6047 | 364 | |
b42bf888 | 365 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); |
2503a0db PS |
366 | if (rc) { |
367 | kfree(utf16_path); | |
368 | return rc; | |
369 | } | |
370 | ||
064f6047 | 371 | rc = SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); |
2503a0db PS |
372 | kfree(utf16_path); |
373 | return rc; | |
374 | } | |
375 | ||
be4cb9e3 PS |
376 | static int |
377 | smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon, | |
378 | struct cifs_sb_info *cifs_sb, const char *full_path, | |
379 | u64 *uniqueid, FILE_ALL_INFO *data) | |
380 | { | |
381 | *uniqueid = le64_to_cpu(data->IndexNumber); | |
382 | return 0; | |
383 | } | |
384 | ||
b7546bc5 PS |
385 | static int |
386 | smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon, | |
387 | struct cifs_fid *fid, FILE_ALL_INFO *data) | |
388 | { | |
389 | int rc; | |
390 | struct smb2_file_all_info *smb2_data; | |
391 | ||
392 | smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + MAX_NAME * 2, | |
393 | GFP_KERNEL); | |
394 | if (smb2_data == NULL) | |
395 | return -ENOMEM; | |
396 | ||
397 | rc = SMB2_query_info(xid, tcon, fid->persistent_fid, fid->volatile_fid, | |
398 | smb2_data); | |
399 | if (!rc) | |
400 | move_smb2_info_to_cifs(data, smb2_data); | |
401 | kfree(smb2_data); | |
402 | return rc; | |
403 | } | |
404 | ||
9094fad1 PS |
405 | static bool |
406 | smb2_can_echo(struct TCP_Server_Info *server) | |
407 | { | |
408 | return server->echoes; | |
409 | } | |
410 | ||
d60622eb PS |
411 | static void |
412 | smb2_clear_stats(struct cifs_tcon *tcon) | |
413 | { | |
414 | #ifdef CONFIG_CIFS_STATS | |
415 | int i; | |
416 | for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) { | |
417 | atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); | |
418 | atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); | |
419 | } | |
420 | #endif | |
421 | } | |
422 | ||
769ee6a4 SF |
423 | static void |
424 | smb2_dump_share_caps(struct seq_file *m, struct cifs_tcon *tcon) | |
425 | { | |
426 | seq_puts(m, "\n\tShare Capabilities:"); | |
427 | if (tcon->capabilities & SMB2_SHARE_CAP_DFS) | |
428 | seq_puts(m, " DFS,"); | |
429 | if (tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY) | |
430 | seq_puts(m, " CONTINUOUS AVAILABILITY,"); | |
431 | if (tcon->capabilities & SMB2_SHARE_CAP_SCALEOUT) | |
432 | seq_puts(m, " SCALEOUT,"); | |
433 | if (tcon->capabilities & SMB2_SHARE_CAP_CLUSTER) | |
434 | seq_puts(m, " CLUSTER,"); | |
435 | if (tcon->capabilities & SMB2_SHARE_CAP_ASYMMETRIC) | |
436 | seq_puts(m, " ASYMMETRIC,"); | |
437 | if (tcon->capabilities == 0) | |
438 | seq_puts(m, " None"); | |
af6a12ea SF |
439 | if (tcon->ss_flags & SSINFO_FLAGS_ALIGNED_DEVICE) |
440 | seq_puts(m, " Aligned,"); | |
441 | if (tcon->ss_flags & SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE) | |
442 | seq_puts(m, " Partition Aligned,"); | |
443 | if (tcon->ss_flags & SSINFO_FLAGS_NO_SEEK_PENALTY) | |
444 | seq_puts(m, " SSD,"); | |
445 | if (tcon->ss_flags & SSINFO_FLAGS_TRIM_ENABLED) | |
446 | seq_puts(m, " TRIM-support,"); | |
447 | ||
769ee6a4 | 448 | seq_printf(m, "\tShare Flags: 0x%x", tcon->share_flags); |
af6a12ea SF |
449 | if (tcon->perf_sector_size) |
450 | seq_printf(m, "\tOptimal sector size: 0x%x", | |
451 | tcon->perf_sector_size); | |
769ee6a4 SF |
452 | } |
453 | ||
d60622eb PS |
454 | static void |
455 | smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon) | |
456 | { | |
457 | #ifdef CONFIG_CIFS_STATS | |
458 | atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent; | |
459 | atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed; | |
460 | seq_printf(m, "\nNegotiates: %d sent %d failed", | |
461 | atomic_read(&sent[SMB2_NEGOTIATE_HE]), | |
462 | atomic_read(&failed[SMB2_NEGOTIATE_HE])); | |
463 | seq_printf(m, "\nSessionSetups: %d sent %d failed", | |
464 | atomic_read(&sent[SMB2_SESSION_SETUP_HE]), | |
465 | atomic_read(&failed[SMB2_SESSION_SETUP_HE])); | |
d60622eb PS |
466 | seq_printf(m, "\nLogoffs: %d sent %d failed", |
467 | atomic_read(&sent[SMB2_LOGOFF_HE]), | |
468 | atomic_read(&failed[SMB2_LOGOFF_HE])); | |
469 | seq_printf(m, "\nTreeConnects: %d sent %d failed", | |
470 | atomic_read(&sent[SMB2_TREE_CONNECT_HE]), | |
471 | atomic_read(&failed[SMB2_TREE_CONNECT_HE])); | |
472 | seq_printf(m, "\nTreeDisconnects: %d sent %d failed", | |
473 | atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]), | |
474 | atomic_read(&failed[SMB2_TREE_DISCONNECT_HE])); | |
475 | seq_printf(m, "\nCreates: %d sent %d failed", | |
476 | atomic_read(&sent[SMB2_CREATE_HE]), | |
477 | atomic_read(&failed[SMB2_CREATE_HE])); | |
478 | seq_printf(m, "\nCloses: %d sent %d failed", | |
479 | atomic_read(&sent[SMB2_CLOSE_HE]), | |
480 | atomic_read(&failed[SMB2_CLOSE_HE])); | |
481 | seq_printf(m, "\nFlushes: %d sent %d failed", | |
482 | atomic_read(&sent[SMB2_FLUSH_HE]), | |
483 | atomic_read(&failed[SMB2_FLUSH_HE])); | |
484 | seq_printf(m, "\nReads: %d sent %d failed", | |
485 | atomic_read(&sent[SMB2_READ_HE]), | |
486 | atomic_read(&failed[SMB2_READ_HE])); | |
487 | seq_printf(m, "\nWrites: %d sent %d failed", | |
488 | atomic_read(&sent[SMB2_WRITE_HE]), | |
489 | atomic_read(&failed[SMB2_WRITE_HE])); | |
490 | seq_printf(m, "\nLocks: %d sent %d failed", | |
491 | atomic_read(&sent[SMB2_LOCK_HE]), | |
492 | atomic_read(&failed[SMB2_LOCK_HE])); | |
493 | seq_printf(m, "\nIOCTLs: %d sent %d failed", | |
494 | atomic_read(&sent[SMB2_IOCTL_HE]), | |
495 | atomic_read(&failed[SMB2_IOCTL_HE])); | |
496 | seq_printf(m, "\nCancels: %d sent %d failed", | |
497 | atomic_read(&sent[SMB2_CANCEL_HE]), | |
498 | atomic_read(&failed[SMB2_CANCEL_HE])); | |
499 | seq_printf(m, "\nEchos: %d sent %d failed", | |
500 | atomic_read(&sent[SMB2_ECHO_HE]), | |
501 | atomic_read(&failed[SMB2_ECHO_HE])); | |
502 | seq_printf(m, "\nQueryDirectories: %d sent %d failed", | |
503 | atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]), | |
504 | atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE])); | |
505 | seq_printf(m, "\nChangeNotifies: %d sent %d failed", | |
506 | atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]), | |
507 | atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE])); | |
508 | seq_printf(m, "\nQueryInfos: %d sent %d failed", | |
509 | atomic_read(&sent[SMB2_QUERY_INFO_HE]), | |
510 | atomic_read(&failed[SMB2_QUERY_INFO_HE])); | |
511 | seq_printf(m, "\nSetInfos: %d sent %d failed", | |
512 | atomic_read(&sent[SMB2_SET_INFO_HE]), | |
513 | atomic_read(&failed[SMB2_SET_INFO_HE])); | |
514 | seq_printf(m, "\nOplockBreaks: %d sent %d failed", | |
515 | atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]), | |
516 | atomic_read(&failed[SMB2_OPLOCK_BREAK_HE])); | |
517 | #endif | |
518 | } | |
519 | ||
f0df737e PS |
520 | static void |
521 | smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock) | |
522 | { | |
2e44b288 | 523 | struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode); |
53ef1016 PS |
524 | struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server; |
525 | ||
f0df737e PS |
526 | cfile->fid.persistent_fid = fid->persistent_fid; |
527 | cfile->fid.volatile_fid = fid->volatile_fid; | |
42873b0a PS |
528 | server->ops->set_oplock_level(cinode, oplock, fid->epoch, |
529 | &fid->purge_cache); | |
18cceb6a | 530 | cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode); |
f0df737e PS |
531 | } |
532 | ||
760ad0ca | 533 | static void |
f0df737e PS |
534 | smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon, |
535 | struct cifs_fid *fid) | |
536 | { | |
760ad0ca | 537 | SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); |
f0df737e PS |
538 | } |
539 | ||
41c1358e SF |
540 | static int |
541 | SMB2_request_res_key(const unsigned int xid, struct cifs_tcon *tcon, | |
542 | u64 persistent_fid, u64 volatile_fid, | |
543 | struct copychunk_ioctl *pcchunk) | |
544 | { | |
545 | int rc; | |
546 | unsigned int ret_data_len; | |
547 | struct resume_key_req *res_key; | |
548 | ||
549 | rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, | |
550 | FSCTL_SRV_REQUEST_RESUME_KEY, true /* is_fsctl */, | |
551 | NULL, 0 /* no input */, | |
552 | (char **)&res_key, &ret_data_len); | |
553 | ||
554 | if (rc) { | |
555 | cifs_dbg(VFS, "refcpy ioctl error %d getting resume key\n", rc); | |
556 | goto req_res_key_exit; | |
557 | } | |
558 | if (ret_data_len < sizeof(struct resume_key_req)) { | |
559 | cifs_dbg(VFS, "Invalid refcopy resume key length\n"); | |
560 | rc = -EINVAL; | |
561 | goto req_res_key_exit; | |
562 | } | |
563 | memcpy(pcchunk->SourceKey, res_key->ResumeKey, COPY_CHUNK_RES_KEY_SIZE); | |
564 | ||
565 | req_res_key_exit: | |
566 | kfree(res_key); | |
567 | return rc; | |
568 | } | |
569 | ||
570 | static int | |
571 | smb2_clone_range(const unsigned int xid, | |
572 | struct cifsFileInfo *srcfile, | |
573 | struct cifsFileInfo *trgtfile, u64 src_off, | |
574 | u64 len, u64 dest_off) | |
575 | { | |
576 | int rc; | |
577 | unsigned int ret_data_len; | |
578 | struct copychunk_ioctl *pcchunk; | |
9bf0c9cd SF |
579 | struct copychunk_ioctl_rsp *retbuf = NULL; |
580 | struct cifs_tcon *tcon; | |
581 | int chunks_copied = 0; | |
582 | bool chunk_sizes_updated = false; | |
41c1358e SF |
583 | |
584 | pcchunk = kmalloc(sizeof(struct copychunk_ioctl), GFP_KERNEL); | |
585 | ||
586 | if (pcchunk == NULL) | |
587 | return -ENOMEM; | |
588 | ||
589 | cifs_dbg(FYI, "in smb2_clone_range - about to call request res key\n"); | |
590 | /* Request a key from the server to identify the source of the copy */ | |
591 | rc = SMB2_request_res_key(xid, tlink_tcon(srcfile->tlink), | |
592 | srcfile->fid.persistent_fid, | |
593 | srcfile->fid.volatile_fid, pcchunk); | |
594 | ||
595 | /* Note: request_res_key sets res_key null only if rc !=0 */ | |
596 | if (rc) | |
9bf0c9cd | 597 | goto cchunk_out; |
41c1358e SF |
598 | |
599 | /* For now array only one chunk long, will make more flexible later */ | |
600 | pcchunk->ChunkCount = __constant_cpu_to_le32(1); | |
601 | pcchunk->Reserved = 0; | |
41c1358e SF |
602 | pcchunk->Reserved2 = 0; |
603 | ||
9bf0c9cd | 604 | tcon = tlink_tcon(trgtfile->tlink); |
41c1358e | 605 | |
9bf0c9cd SF |
606 | while (len > 0) { |
607 | pcchunk->SourceOffset = cpu_to_le64(src_off); | |
608 | pcchunk->TargetOffset = cpu_to_le64(dest_off); | |
609 | pcchunk->Length = | |
610 | cpu_to_le32(min_t(u32, len, tcon->max_bytes_chunk)); | |
41c1358e | 611 | |
9bf0c9cd SF |
612 | /* Request server copy to target from src identified by key */ |
613 | rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, | |
614 | trgtfile->fid.volatile_fid, FSCTL_SRV_COPYCHUNK_WRITE, | |
615 | true /* is_fsctl */, (char *)pcchunk, | |
616 | sizeof(struct copychunk_ioctl), (char **)&retbuf, | |
617 | &ret_data_len); | |
618 | if (rc == 0) { | |
619 | if (ret_data_len != | |
620 | sizeof(struct copychunk_ioctl_rsp)) { | |
621 | cifs_dbg(VFS, "invalid cchunk response size\n"); | |
622 | rc = -EIO; | |
623 | goto cchunk_out; | |
624 | } | |
625 | if (retbuf->TotalBytesWritten == 0) { | |
626 | cifs_dbg(FYI, "no bytes copied\n"); | |
627 | rc = -EIO; | |
628 | goto cchunk_out; | |
629 | } | |
630 | /* | |
631 | * Check if server claimed to write more than we asked | |
632 | */ | |
633 | if (le32_to_cpu(retbuf->TotalBytesWritten) > | |
634 | le32_to_cpu(pcchunk->Length)) { | |
635 | cifs_dbg(VFS, "invalid copy chunk response\n"); | |
636 | rc = -EIO; | |
637 | goto cchunk_out; | |
638 | } | |
639 | if (le32_to_cpu(retbuf->ChunksWritten) != 1) { | |
640 | cifs_dbg(VFS, "invalid num chunks written\n"); | |
641 | rc = -EIO; | |
642 | goto cchunk_out; | |
643 | } | |
644 | chunks_copied++; | |
645 | ||
646 | src_off += le32_to_cpu(retbuf->TotalBytesWritten); | |
647 | dest_off += le32_to_cpu(retbuf->TotalBytesWritten); | |
648 | len -= le32_to_cpu(retbuf->TotalBytesWritten); | |
649 | ||
650 | cifs_dbg(FYI, "Chunks %d PartialChunk %d Total %d\n", | |
651 | le32_to_cpu(retbuf->ChunksWritten), | |
652 | le32_to_cpu(retbuf->ChunkBytesWritten), | |
653 | le32_to_cpu(retbuf->TotalBytesWritten)); | |
654 | } else if (rc == -EINVAL) { | |
655 | if (ret_data_len != sizeof(struct copychunk_ioctl_rsp)) | |
656 | goto cchunk_out; | |
657 | ||
658 | cifs_dbg(FYI, "MaxChunks %d BytesChunk %d MaxCopy %d\n", | |
659 | le32_to_cpu(retbuf->ChunksWritten), | |
660 | le32_to_cpu(retbuf->ChunkBytesWritten), | |
661 | le32_to_cpu(retbuf->TotalBytesWritten)); | |
662 | ||
663 | /* | |
664 | * Check if this is the first request using these sizes, | |
665 | * (ie check if copy succeed once with original sizes | |
666 | * and check if the server gave us different sizes after | |
667 | * we already updated max sizes on previous request). | |
668 | * if not then why is the server returning an error now | |
669 | */ | |
670 | if ((chunks_copied != 0) || chunk_sizes_updated) | |
671 | goto cchunk_out; | |
672 | ||
673 | /* Check that server is not asking us to grow size */ | |
674 | if (le32_to_cpu(retbuf->ChunkBytesWritten) < | |
675 | tcon->max_bytes_chunk) | |
676 | tcon->max_bytes_chunk = | |
677 | le32_to_cpu(retbuf->ChunkBytesWritten); | |
678 | else | |
679 | goto cchunk_out; /* server gave us bogus size */ | |
680 | ||
681 | /* No need to change MaxChunks since already set to 1 */ | |
682 | chunk_sizes_updated = true; | |
683 | } | |
684 | } | |
41c1358e | 685 | |
9bf0c9cd | 686 | cchunk_out: |
41c1358e SF |
687 | kfree(pcchunk); |
688 | return rc; | |
689 | } | |
690 | ||
7a5cfb19 PS |
691 | static int |
692 | smb2_flush_file(const unsigned int xid, struct cifs_tcon *tcon, | |
693 | struct cifs_fid *fid) | |
694 | { | |
695 | return SMB2_flush(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
696 | } | |
697 | ||
09a4707e PS |
698 | static unsigned int |
699 | smb2_read_data_offset(char *buf) | |
700 | { | |
701 | struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; | |
702 | return rsp->DataOffset; | |
703 | } | |
704 | ||
705 | static unsigned int | |
706 | smb2_read_data_length(char *buf) | |
707 | { | |
708 | struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; | |
709 | return le32_to_cpu(rsp->DataLength); | |
710 | } | |
711 | ||
d8e05039 PS |
712 | |
713 | static int | |
714 | smb2_sync_read(const unsigned int xid, struct cifsFileInfo *cfile, | |
715 | struct cifs_io_parms *parms, unsigned int *bytes_read, | |
716 | char **buf, int *buf_type) | |
717 | { | |
718 | parms->persistent_fid = cfile->fid.persistent_fid; | |
719 | parms->volatile_fid = cfile->fid.volatile_fid; | |
720 | return SMB2_read(xid, parms, bytes_read, buf, buf_type); | |
721 | } | |
722 | ||
009d3443 PS |
723 | static int |
724 | smb2_sync_write(const unsigned int xid, struct cifsFileInfo *cfile, | |
725 | struct cifs_io_parms *parms, unsigned int *written, | |
726 | struct kvec *iov, unsigned long nr_segs) | |
727 | { | |
728 | ||
729 | parms->persistent_fid = cfile->fid.persistent_fid; | |
730 | parms->volatile_fid = cfile->fid.volatile_fid; | |
731 | return SMB2_write(xid, parms, written, iov, nr_segs); | |
732 | } | |
733 | ||
c839ff24 PS |
734 | static int |
735 | smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon, | |
736 | struct cifsFileInfo *cfile, __u64 size, bool set_alloc) | |
737 | { | |
738 | __le64 eof = cpu_to_le64(size); | |
739 | return SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid, | |
f29ebb47 | 740 | cfile->fid.volatile_fid, cfile->pid, &eof, false); |
c839ff24 PS |
741 | } |
742 | ||
64a5cfa6 SF |
743 | static int |
744 | smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, | |
745 | struct cifsFileInfo *cfile) | |
746 | { | |
747 | return SMB2_set_compression(xid, tcon, cfile->fid.persistent_fid, | |
748 | cfile->fid.volatile_fid); | |
749 | } | |
750 | ||
d324f08d PS |
751 | static int |
752 | smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, | |
753 | const char *path, struct cifs_sb_info *cifs_sb, | |
754 | struct cifs_fid *fid, __u16 search_flags, | |
755 | struct cifs_search_info *srch_inf) | |
756 | { | |
757 | __le16 *utf16_path; | |
758 | int rc; | |
2e44b288 | 759 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; |
064f6047 | 760 | struct cifs_open_parms oparms; |
d324f08d PS |
761 | |
762 | utf16_path = cifs_convert_path_to_utf16(path, cifs_sb); | |
763 | if (!utf16_path) | |
764 | return -ENOMEM; | |
765 | ||
064f6047 PS |
766 | oparms.tcon = tcon; |
767 | oparms.desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA; | |
768 | oparms.disposition = FILE_OPEN; | |
769 | oparms.create_options = 0; | |
770 | oparms.fid = fid; | |
9cbc0b73 | 771 | oparms.reconnect = false; |
064f6047 | 772 | |
b42bf888 | 773 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); |
d324f08d PS |
774 | kfree(utf16_path); |
775 | if (rc) { | |
f96637be | 776 | cifs_dbg(VFS, "open dir failed\n"); |
d324f08d PS |
777 | return rc; |
778 | } | |
779 | ||
780 | srch_inf->entries_in_buffer = 0; | |
781 | srch_inf->index_of_last_entry = 0; | |
d324f08d | 782 | |
064f6047 PS |
783 | rc = SMB2_query_directory(xid, tcon, fid->persistent_fid, |
784 | fid->volatile_fid, 0, srch_inf); | |
d324f08d | 785 | if (rc) { |
f96637be | 786 | cifs_dbg(VFS, "query directory failed\n"); |
064f6047 | 787 | SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); |
d324f08d PS |
788 | } |
789 | return rc; | |
790 | } | |
791 | ||
792 | static int | |
793 | smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon, | |
794 | struct cifs_fid *fid, __u16 search_flags, | |
795 | struct cifs_search_info *srch_inf) | |
796 | { | |
797 | return SMB2_query_directory(xid, tcon, fid->persistent_fid, | |
798 | fid->volatile_fid, 0, srch_inf); | |
799 | } | |
800 | ||
801 | static int | |
802 | smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon, | |
803 | struct cifs_fid *fid) | |
804 | { | |
805 | return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
806 | } | |
807 | ||
2e44b288 PS |
808 | /* |
809 | * If we negotiate SMB2 protocol and get STATUS_PENDING - update | |
810 | * the number of credits and return true. Otherwise - return false. | |
811 | */ | |
812 | static bool | |
813 | smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length) | |
814 | { | |
815 | struct smb2_hdr *hdr = (struct smb2_hdr *)buf; | |
816 | ||
12e8a208 | 817 | if (hdr->Status != STATUS_PENDING) |
2e44b288 PS |
818 | return false; |
819 | ||
820 | if (!length) { | |
821 | spin_lock(&server->req_lock); | |
822 | server->credits += le16_to_cpu(hdr->CreditRequest); | |
823 | spin_unlock(&server->req_lock); | |
824 | wake_up(&server->request_q); | |
825 | } | |
826 | ||
827 | return true; | |
828 | } | |
829 | ||
983c88a4 PS |
830 | static int |
831 | smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid, | |
832 | struct cifsInodeInfo *cinode) | |
833 | { | |
0822f514 PS |
834 | if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING) |
835 | return SMB2_lease_break(0, tcon, cinode->lease_key, | |
836 | smb2_get_lease_state(cinode)); | |
837 | ||
983c88a4 PS |
838 | return SMB2_oplock_break(0, tcon, fid->persistent_fid, |
839 | fid->volatile_fid, | |
18cceb6a | 840 | CIFS_CACHE_READ(cinode) ? 1 : 0); |
983c88a4 PS |
841 | } |
842 | ||
6fc05c25 PS |
843 | static int |
844 | smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon, | |
845 | struct kstatfs *buf) | |
846 | { | |
847 | int rc; | |
6fc05c25 PS |
848 | __le16 srch_path = 0; /* Null - open root of share */ |
849 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
064f6047 PS |
850 | struct cifs_open_parms oparms; |
851 | struct cifs_fid fid; | |
852 | ||
853 | oparms.tcon = tcon; | |
854 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
855 | oparms.disposition = FILE_OPEN; | |
856 | oparms.create_options = 0; | |
857 | oparms.fid = &fid; | |
9cbc0b73 | 858 | oparms.reconnect = false; |
6fc05c25 | 859 | |
b42bf888 | 860 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); |
6fc05c25 PS |
861 | if (rc) |
862 | return rc; | |
863 | buf->f_type = SMB2_MAGIC_NUMBER; | |
064f6047 PS |
864 | rc = SMB2_QFS_info(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
865 | buf); | |
866 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
6fc05c25 PS |
867 | return rc; |
868 | } | |
869 | ||
027e8eec PS |
870 | static bool |
871 | smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2) | |
872 | { | |
873 | return ob1->fid.persistent_fid == ob2->fid.persistent_fid && | |
874 | ob1->fid.volatile_fid == ob2->fid.volatile_fid; | |
875 | } | |
876 | ||
f7ba7fe6 PS |
877 | static int |
878 | smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset, | |
879 | __u64 length, __u32 type, int lock, int unlock, bool wait) | |
880 | { | |
881 | if (unlock && !lock) | |
882 | type = SMB2_LOCKFLAG_UNLOCK; | |
883 | return SMB2_lock(xid, tlink_tcon(cfile->tlink), | |
884 | cfile->fid.persistent_fid, cfile->fid.volatile_fid, | |
885 | current->tgid, length, offset, type, wait); | |
886 | } | |
887 | ||
b8c32dbb PS |
888 | static void |
889 | smb2_get_lease_key(struct inode *inode, struct cifs_fid *fid) | |
890 | { | |
891 | memcpy(fid->lease_key, CIFS_I(inode)->lease_key, SMB2_LEASE_KEY_SIZE); | |
892 | } | |
893 | ||
894 | static void | |
895 | smb2_set_lease_key(struct inode *inode, struct cifs_fid *fid) | |
896 | { | |
897 | memcpy(CIFS_I(inode)->lease_key, fid->lease_key, SMB2_LEASE_KEY_SIZE); | |
898 | } | |
899 | ||
900 | static void | |
901 | smb2_new_lease_key(struct cifs_fid *fid) | |
902 | { | |
903 | get_random_bytes(fid->lease_key, SMB2_LEASE_KEY_SIZE); | |
904 | } | |
905 | ||
b42bf888 PS |
906 | static int |
907 | smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, | |
908 | const char *full_path, char **target_path, | |
909 | struct cifs_sb_info *cifs_sb) | |
910 | { | |
911 | int rc; | |
912 | __le16 *utf16_path; | |
913 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
914 | struct cifs_open_parms oparms; | |
915 | struct cifs_fid fid; | |
916 | struct smb2_err_rsp *err_buf = NULL; | |
917 | struct smb2_symlink_err_rsp *symlink; | |
918 | unsigned int sub_len, sub_offset; | |
919 | ||
920 | cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path); | |
921 | ||
922 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
923 | if (!utf16_path) | |
924 | return -ENOMEM; | |
925 | ||
926 | oparms.tcon = tcon; | |
927 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
928 | oparms.disposition = FILE_OPEN; | |
929 | oparms.create_options = 0; | |
930 | oparms.fid = &fid; | |
931 | oparms.reconnect = false; | |
932 | ||
933 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, &err_buf); | |
934 | ||
935 | if (!rc || !err_buf) { | |
936 | kfree(utf16_path); | |
937 | return -ENOENT; | |
938 | } | |
939 | /* open must fail on symlink - reset rc */ | |
940 | rc = 0; | |
941 | symlink = (struct smb2_symlink_err_rsp *)err_buf->ErrorData; | |
942 | sub_len = le16_to_cpu(symlink->SubstituteNameLength); | |
943 | sub_offset = le16_to_cpu(symlink->SubstituteNameOffset); | |
944 | *target_path = cifs_strndup_from_utf16( | |
945 | (char *)symlink->PathBuffer + sub_offset, | |
946 | sub_len, true, cifs_sb->local_nls); | |
947 | if (!(*target_path)) { | |
948 | kfree(utf16_path); | |
949 | return -ENOMEM; | |
950 | } | |
951 | convert_delimiter(*target_path, '/'); | |
952 | cifs_dbg(FYI, "%s: target path: %s\n", __func__, *target_path); | |
953 | kfree(utf16_path); | |
954 | return rc; | |
955 | } | |
956 | ||
c11f1df5 SP |
957 | static void |
958 | smb2_downgrade_oplock(struct TCP_Server_Info *server, | |
959 | struct cifsInodeInfo *cinode, bool set_level2) | |
960 | { | |
961 | if (set_level2) | |
962 | server->ops->set_oplock_level(cinode, SMB2_OPLOCK_LEVEL_II, | |
963 | 0, NULL); | |
964 | else | |
965 | server->ops->set_oplock_level(cinode, 0, 0, NULL); | |
966 | } | |
967 | ||
53ef1016 | 968 | static void |
42873b0a PS |
969 | smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, |
970 | unsigned int epoch, bool *purge_cache) | |
53ef1016 PS |
971 | { |
972 | oplock &= 0xFF; | |
973 | if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE) | |
974 | return; | |
975 | if (oplock == SMB2_OPLOCK_LEVEL_BATCH) { | |
42873b0a | 976 | cinode->oplock = CIFS_CACHE_RHW_FLG; |
53ef1016 PS |
977 | cifs_dbg(FYI, "Batch Oplock granted on inode %p\n", |
978 | &cinode->vfs_inode); | |
979 | } else if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) { | |
42873b0a | 980 | cinode->oplock = CIFS_CACHE_RW_FLG; |
53ef1016 PS |
981 | cifs_dbg(FYI, "Exclusive Oplock granted on inode %p\n", |
982 | &cinode->vfs_inode); | |
983 | } else if (oplock == SMB2_OPLOCK_LEVEL_II) { | |
984 | cinode->oplock = CIFS_CACHE_READ_FLG; | |
985 | cifs_dbg(FYI, "Level II Oplock granted on inode %p\n", | |
986 | &cinode->vfs_inode); | |
987 | } else | |
988 | cinode->oplock = 0; | |
989 | } | |
990 | ||
991 | static void | |
42873b0a PS |
992 | smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, |
993 | unsigned int epoch, bool *purge_cache) | |
53ef1016 PS |
994 | { |
995 | char message[5] = {0}; | |
996 | ||
997 | oplock &= 0xFF; | |
998 | if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE) | |
999 | return; | |
1000 | ||
1001 | cinode->oplock = 0; | |
1002 | if (oplock & SMB2_LEASE_READ_CACHING_HE) { | |
1003 | cinode->oplock |= CIFS_CACHE_READ_FLG; | |
1004 | strcat(message, "R"); | |
1005 | } | |
1006 | if (oplock & SMB2_LEASE_HANDLE_CACHING_HE) { | |
1007 | cinode->oplock |= CIFS_CACHE_HANDLE_FLG; | |
1008 | strcat(message, "H"); | |
1009 | } | |
1010 | if (oplock & SMB2_LEASE_WRITE_CACHING_HE) { | |
1011 | cinode->oplock |= CIFS_CACHE_WRITE_FLG; | |
1012 | strcat(message, "W"); | |
1013 | } | |
1014 | if (!cinode->oplock) | |
1015 | strcat(message, "None"); | |
1016 | cifs_dbg(FYI, "%s Lease granted on inode %p\n", message, | |
1017 | &cinode->vfs_inode); | |
1018 | } | |
1019 | ||
42873b0a PS |
1020 | static void |
1021 | smb3_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, | |
1022 | unsigned int epoch, bool *purge_cache) | |
1023 | { | |
1024 | unsigned int old_oplock = cinode->oplock; | |
1025 | ||
1026 | smb21_set_oplock_level(cinode, oplock, epoch, purge_cache); | |
1027 | ||
1028 | if (purge_cache) { | |
1029 | *purge_cache = false; | |
1030 | if (old_oplock == CIFS_CACHE_READ_FLG) { | |
1031 | if (cinode->oplock == CIFS_CACHE_READ_FLG && | |
1032 | (epoch - cinode->epoch > 0)) | |
1033 | *purge_cache = true; | |
1034 | else if (cinode->oplock == CIFS_CACHE_RH_FLG && | |
1035 | (epoch - cinode->epoch > 1)) | |
1036 | *purge_cache = true; | |
1037 | else if (cinode->oplock == CIFS_CACHE_RHW_FLG && | |
1038 | (epoch - cinode->epoch > 1)) | |
1039 | *purge_cache = true; | |
1040 | else if (cinode->oplock == 0 && | |
1041 | (epoch - cinode->epoch > 0)) | |
1042 | *purge_cache = true; | |
1043 | } else if (old_oplock == CIFS_CACHE_RH_FLG) { | |
1044 | if (cinode->oplock == CIFS_CACHE_RH_FLG && | |
1045 | (epoch - cinode->epoch > 0)) | |
1046 | *purge_cache = true; | |
1047 | else if (cinode->oplock == CIFS_CACHE_RHW_FLG && | |
1048 | (epoch - cinode->epoch > 1)) | |
1049 | *purge_cache = true; | |
1050 | } | |
1051 | cinode->epoch = epoch; | |
1052 | } | |
1053 | } | |
1054 | ||
53ef1016 PS |
1055 | static bool |
1056 | smb2_is_read_op(__u32 oplock) | |
1057 | { | |
1058 | return oplock == SMB2_OPLOCK_LEVEL_II; | |
1059 | } | |
1060 | ||
1061 | static bool | |
1062 | smb21_is_read_op(__u32 oplock) | |
1063 | { | |
1064 | return (oplock & SMB2_LEASE_READ_CACHING_HE) && | |
1065 | !(oplock & SMB2_LEASE_WRITE_CACHING_HE); | |
1066 | } | |
1067 | ||
f047390a PS |
1068 | static __le32 |
1069 | map_oplock_to_lease(u8 oplock) | |
1070 | { | |
1071 | if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) | |
1072 | return SMB2_LEASE_WRITE_CACHING | SMB2_LEASE_READ_CACHING; | |
1073 | else if (oplock == SMB2_OPLOCK_LEVEL_II) | |
1074 | return SMB2_LEASE_READ_CACHING; | |
1075 | else if (oplock == SMB2_OPLOCK_LEVEL_BATCH) | |
1076 | return SMB2_LEASE_HANDLE_CACHING | SMB2_LEASE_READ_CACHING | | |
1077 | SMB2_LEASE_WRITE_CACHING; | |
1078 | return 0; | |
1079 | } | |
1080 | ||
a41a28bd PS |
1081 | static char * |
1082 | smb2_create_lease_buf(u8 *lease_key, u8 oplock) | |
1083 | { | |
1084 | struct create_lease *buf; | |
1085 | ||
1086 | buf = kzalloc(sizeof(struct create_lease), GFP_KERNEL); | |
1087 | if (!buf) | |
1088 | return NULL; | |
1089 | ||
1090 | buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); | |
1091 | buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); | |
f047390a | 1092 | buf->lcontext.LeaseState = map_oplock_to_lease(oplock); |
a41a28bd PS |
1093 | |
1094 | buf->ccontext.DataOffset = cpu_to_le16(offsetof | |
1095 | (struct create_lease, lcontext)); | |
1096 | buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context)); | |
1097 | buf->ccontext.NameOffset = cpu_to_le16(offsetof | |
1098 | (struct create_lease, Name)); | |
1099 | buf->ccontext.NameLength = cpu_to_le16(4); | |
12197a7f | 1100 | /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */ |
a41a28bd PS |
1101 | buf->Name[0] = 'R'; |
1102 | buf->Name[1] = 'q'; | |
1103 | buf->Name[2] = 'L'; | |
1104 | buf->Name[3] = 's'; | |
1105 | return (char *)buf; | |
1106 | } | |
1107 | ||
f047390a PS |
1108 | static char * |
1109 | smb3_create_lease_buf(u8 *lease_key, u8 oplock) | |
1110 | { | |
1111 | struct create_lease_v2 *buf; | |
1112 | ||
1113 | buf = kzalloc(sizeof(struct create_lease_v2), GFP_KERNEL); | |
1114 | if (!buf) | |
1115 | return NULL; | |
1116 | ||
1117 | buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); | |
1118 | buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); | |
1119 | buf->lcontext.LeaseState = map_oplock_to_lease(oplock); | |
1120 | ||
1121 | buf->ccontext.DataOffset = cpu_to_le16(offsetof | |
1122 | (struct create_lease_v2, lcontext)); | |
1123 | buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context_v2)); | |
1124 | buf->ccontext.NameOffset = cpu_to_le16(offsetof | |
1125 | (struct create_lease_v2, Name)); | |
1126 | buf->ccontext.NameLength = cpu_to_le16(4); | |
12197a7f | 1127 | /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */ |
f047390a PS |
1128 | buf->Name[0] = 'R'; |
1129 | buf->Name[1] = 'q'; | |
1130 | buf->Name[2] = 'L'; | |
1131 | buf->Name[3] = 's'; | |
1132 | return (char *)buf; | |
1133 | } | |
1134 | ||
b5c7cde3 | 1135 | static __u8 |
42873b0a | 1136 | smb2_parse_lease_buf(void *buf, unsigned int *epoch) |
b5c7cde3 PS |
1137 | { |
1138 | struct create_lease *lc = (struct create_lease *)buf; | |
1139 | ||
42873b0a | 1140 | *epoch = 0; /* not used */ |
b5c7cde3 PS |
1141 | if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS) |
1142 | return SMB2_OPLOCK_LEVEL_NOCHANGE; | |
1143 | return le32_to_cpu(lc->lcontext.LeaseState); | |
1144 | } | |
1145 | ||
f047390a | 1146 | static __u8 |
42873b0a | 1147 | smb3_parse_lease_buf(void *buf, unsigned int *epoch) |
f047390a PS |
1148 | { |
1149 | struct create_lease_v2 *lc = (struct create_lease_v2 *)buf; | |
1150 | ||
42873b0a | 1151 | *epoch = le16_to_cpu(lc->lcontext.Epoch); |
f047390a PS |
1152 | if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS) |
1153 | return SMB2_OPLOCK_LEVEL_NOCHANGE; | |
1154 | return le32_to_cpu(lc->lcontext.LeaseState); | |
1155 | } | |
1156 | ||
7f6c5008 PS |
1157 | static unsigned int |
1158 | smb2_wp_retry_size(struct inode *inode) | |
1159 | { | |
1160 | return min_t(unsigned int, CIFS_SB(inode->i_sb)->wsize, | |
1161 | SMB2_MAX_BUFFER_SIZE); | |
1162 | } | |
1163 | ||
53ef1016 | 1164 | struct smb_version_operations smb20_operations = { |
027e8eec | 1165 | .compare_fids = smb2_compare_fids, |
2dc7e1c0 | 1166 | .setup_request = smb2_setup_request, |
c95b8eed | 1167 | .setup_async_request = smb2_setup_async_request, |
2dc7e1c0 | 1168 | .check_receive = smb2_check_receive, |
28ea5290 PS |
1169 | .add_credits = smb2_add_credits, |
1170 | .set_credits = smb2_set_credits, | |
1171 | .get_credits_field = smb2_get_credits_field, | |
1172 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1173 | .wait_mtu_credits = cifs_wait_mtu_credits, |
2dc7e1c0 | 1174 | .get_next_mid = smb2_get_next_mid, |
09a4707e PS |
1175 | .read_data_offset = smb2_read_data_offset, |
1176 | .read_data_length = smb2_read_data_length, | |
1177 | .map_error = map_smb2_to_linux_error, | |
093b2bda PS |
1178 | .find_mid = smb2_find_mid, |
1179 | .check_message = smb2_check_message, | |
1180 | .dump_detail = smb2_dump_detail, | |
d60622eb PS |
1181 | .clear_stats = smb2_clear_stats, |
1182 | .print_stats = smb2_print_stats, | |
983c88a4 | 1183 | .is_oplock_break = smb2_is_valid_oplock_break, |
c11f1df5 | 1184 | .downgrade_oplock = smb2_downgrade_oplock, |
ec2e4523 PS |
1185 | .need_neg = smb2_need_neg, |
1186 | .negotiate = smb2_negotiate, | |
3a3bab50 PS |
1187 | .negotiate_wsize = smb2_negotiate_wsize, |
1188 | .negotiate_rsize = smb2_negotiate_rsize, | |
5478f9ba PS |
1189 | .sess_setup = SMB2_sess_setup, |
1190 | .logoff = SMB2_logoff, | |
faaf946a PS |
1191 | .tree_connect = SMB2_tcon, |
1192 | .tree_disconnect = SMB2_tdis, | |
34f62640 | 1193 | .qfs_tcon = smb2_qfs_tcon, |
2503a0db | 1194 | .is_path_accessible = smb2_is_path_accessible, |
9094fad1 PS |
1195 | .can_echo = smb2_can_echo, |
1196 | .echo = SMB2_echo, | |
be4cb9e3 PS |
1197 | .query_path_info = smb2_query_path_info, |
1198 | .get_srv_inum = smb2_get_srv_inum, | |
b7546bc5 | 1199 | .query_file_info = smb2_query_file_info, |
c839ff24 PS |
1200 | .set_path_size = smb2_set_path_size, |
1201 | .set_file_size = smb2_set_file_size, | |
1feeaac7 | 1202 | .set_file_info = smb2_set_file_info, |
64a5cfa6 | 1203 | .set_compression = smb2_set_compression, |
a0e73183 PS |
1204 | .mkdir = smb2_mkdir, |
1205 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1a500f01 | 1206 | .rmdir = smb2_rmdir, |
cbe6f439 | 1207 | .unlink = smb2_unlink, |
35143eb5 | 1208 | .rename = smb2_rename_path, |
568798cc | 1209 | .create_hardlink = smb2_create_hardlink, |
b42bf888 | 1210 | .query_symlink = smb2_query_symlink, |
f0df737e PS |
1211 | .open = smb2_open_file, |
1212 | .set_fid = smb2_set_fid, | |
1213 | .close = smb2_close_file, | |
7a5cfb19 | 1214 | .flush = smb2_flush_file, |
09a4707e | 1215 | .async_readv = smb2_async_readv, |
33319141 | 1216 | .async_writev = smb2_async_writev, |
d8e05039 | 1217 | .sync_read = smb2_sync_read, |
009d3443 | 1218 | .sync_write = smb2_sync_write, |
d324f08d PS |
1219 | .query_dir_first = smb2_query_dir_first, |
1220 | .query_dir_next = smb2_query_dir_next, | |
1221 | .close_dir = smb2_close_dir, | |
1222 | .calc_smb_size = smb2_calc_size, | |
2e44b288 | 1223 | .is_status_pending = smb2_is_status_pending, |
983c88a4 | 1224 | .oplock_response = smb2_oplock_response, |
6fc05c25 | 1225 | .queryfs = smb2_queryfs, |
f7ba7fe6 PS |
1226 | .mand_lock = smb2_mand_lock, |
1227 | .mand_unlock_range = smb2_unlock_range, | |
b140799a | 1228 | .push_mand_locks = smb2_push_mandatory_locks, |
b8c32dbb PS |
1229 | .get_lease_key = smb2_get_lease_key, |
1230 | .set_lease_key = smb2_set_lease_key, | |
1231 | .new_lease_key = smb2_new_lease_key, | |
38107d45 | 1232 | .calc_signature = smb2_calc_signature, |
53ef1016 PS |
1233 | .is_read_op = smb2_is_read_op, |
1234 | .set_oplock_level = smb2_set_oplock_level, | |
a41a28bd | 1235 | .create_lease_buf = smb2_create_lease_buf, |
b5c7cde3 | 1236 | .parse_lease_buf = smb2_parse_lease_buf, |
41c1358e | 1237 | .clone_range = smb2_clone_range, |
7f6c5008 | 1238 | .wp_retry_size = smb2_wp_retry_size, |
38107d45 SF |
1239 | }; |
1240 | ||
53ef1016 PS |
1241 | struct smb_version_operations smb21_operations = { |
1242 | .compare_fids = smb2_compare_fids, | |
1243 | .setup_request = smb2_setup_request, | |
1244 | .setup_async_request = smb2_setup_async_request, | |
1245 | .check_receive = smb2_check_receive, | |
1246 | .add_credits = smb2_add_credits, | |
1247 | .set_credits = smb2_set_credits, | |
1248 | .get_credits_field = smb2_get_credits_field, | |
1249 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1250 | .wait_mtu_credits = smb2_wait_mtu_credits, |
53ef1016 PS |
1251 | .get_next_mid = smb2_get_next_mid, |
1252 | .read_data_offset = smb2_read_data_offset, | |
1253 | .read_data_length = smb2_read_data_length, | |
1254 | .map_error = map_smb2_to_linux_error, | |
1255 | .find_mid = smb2_find_mid, | |
1256 | .check_message = smb2_check_message, | |
1257 | .dump_detail = smb2_dump_detail, | |
1258 | .clear_stats = smb2_clear_stats, | |
1259 | .print_stats = smb2_print_stats, | |
1260 | .is_oplock_break = smb2_is_valid_oplock_break, | |
c11f1df5 | 1261 | .downgrade_oplock = smb2_downgrade_oplock, |
53ef1016 PS |
1262 | .need_neg = smb2_need_neg, |
1263 | .negotiate = smb2_negotiate, | |
1264 | .negotiate_wsize = smb2_negotiate_wsize, | |
1265 | .negotiate_rsize = smb2_negotiate_rsize, | |
1266 | .sess_setup = SMB2_sess_setup, | |
1267 | .logoff = SMB2_logoff, | |
1268 | .tree_connect = SMB2_tcon, | |
1269 | .tree_disconnect = SMB2_tdis, | |
34f62640 | 1270 | .qfs_tcon = smb2_qfs_tcon, |
53ef1016 PS |
1271 | .is_path_accessible = smb2_is_path_accessible, |
1272 | .can_echo = smb2_can_echo, | |
1273 | .echo = SMB2_echo, | |
1274 | .query_path_info = smb2_query_path_info, | |
1275 | .get_srv_inum = smb2_get_srv_inum, | |
1276 | .query_file_info = smb2_query_file_info, | |
1277 | .set_path_size = smb2_set_path_size, | |
1278 | .set_file_size = smb2_set_file_size, | |
1279 | .set_file_info = smb2_set_file_info, | |
64a5cfa6 | 1280 | .set_compression = smb2_set_compression, |
53ef1016 PS |
1281 | .mkdir = smb2_mkdir, |
1282 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1283 | .rmdir = smb2_rmdir, | |
1284 | .unlink = smb2_unlink, | |
1285 | .rename = smb2_rename_path, | |
1286 | .create_hardlink = smb2_create_hardlink, | |
1287 | .query_symlink = smb2_query_symlink, | |
1288 | .open = smb2_open_file, | |
1289 | .set_fid = smb2_set_fid, | |
1290 | .close = smb2_close_file, | |
1291 | .flush = smb2_flush_file, | |
1292 | .async_readv = smb2_async_readv, | |
1293 | .async_writev = smb2_async_writev, | |
1294 | .sync_read = smb2_sync_read, | |
1295 | .sync_write = smb2_sync_write, | |
1296 | .query_dir_first = smb2_query_dir_first, | |
1297 | .query_dir_next = smb2_query_dir_next, | |
1298 | .close_dir = smb2_close_dir, | |
1299 | .calc_smb_size = smb2_calc_size, | |
1300 | .is_status_pending = smb2_is_status_pending, | |
1301 | .oplock_response = smb2_oplock_response, | |
1302 | .queryfs = smb2_queryfs, | |
1303 | .mand_lock = smb2_mand_lock, | |
1304 | .mand_unlock_range = smb2_unlock_range, | |
1305 | .push_mand_locks = smb2_push_mandatory_locks, | |
1306 | .get_lease_key = smb2_get_lease_key, | |
1307 | .set_lease_key = smb2_set_lease_key, | |
1308 | .new_lease_key = smb2_new_lease_key, | |
1309 | .calc_signature = smb2_calc_signature, | |
1310 | .is_read_op = smb21_is_read_op, | |
1311 | .set_oplock_level = smb21_set_oplock_level, | |
a41a28bd | 1312 | .create_lease_buf = smb2_create_lease_buf, |
b5c7cde3 | 1313 | .parse_lease_buf = smb2_parse_lease_buf, |
41c1358e | 1314 | .clone_range = smb2_clone_range, |
7f6c5008 | 1315 | .wp_retry_size = smb2_wp_retry_size, |
53ef1016 | 1316 | }; |
38107d45 SF |
1317 | |
1318 | struct smb_version_operations smb30_operations = { | |
1319 | .compare_fids = smb2_compare_fids, | |
1320 | .setup_request = smb2_setup_request, | |
1321 | .setup_async_request = smb2_setup_async_request, | |
1322 | .check_receive = smb2_check_receive, | |
1323 | .add_credits = smb2_add_credits, | |
1324 | .set_credits = smb2_set_credits, | |
1325 | .get_credits_field = smb2_get_credits_field, | |
1326 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1327 | .wait_mtu_credits = smb2_wait_mtu_credits, |
38107d45 SF |
1328 | .get_next_mid = smb2_get_next_mid, |
1329 | .read_data_offset = smb2_read_data_offset, | |
1330 | .read_data_length = smb2_read_data_length, | |
1331 | .map_error = map_smb2_to_linux_error, | |
1332 | .find_mid = smb2_find_mid, | |
1333 | .check_message = smb2_check_message, | |
1334 | .dump_detail = smb2_dump_detail, | |
1335 | .clear_stats = smb2_clear_stats, | |
1336 | .print_stats = smb2_print_stats, | |
769ee6a4 | 1337 | .dump_share_caps = smb2_dump_share_caps, |
38107d45 | 1338 | .is_oplock_break = smb2_is_valid_oplock_break, |
c11f1df5 | 1339 | .downgrade_oplock = smb2_downgrade_oplock, |
38107d45 SF |
1340 | .need_neg = smb2_need_neg, |
1341 | .negotiate = smb2_negotiate, | |
1342 | .negotiate_wsize = smb2_negotiate_wsize, | |
1343 | .negotiate_rsize = smb2_negotiate_rsize, | |
1344 | .sess_setup = SMB2_sess_setup, | |
1345 | .logoff = SMB2_logoff, | |
1346 | .tree_connect = SMB2_tcon, | |
1347 | .tree_disconnect = SMB2_tdis, | |
af6a12ea | 1348 | .qfs_tcon = smb3_qfs_tcon, |
38107d45 SF |
1349 | .is_path_accessible = smb2_is_path_accessible, |
1350 | .can_echo = smb2_can_echo, | |
1351 | .echo = SMB2_echo, | |
1352 | .query_path_info = smb2_query_path_info, | |
1353 | .get_srv_inum = smb2_get_srv_inum, | |
1354 | .query_file_info = smb2_query_file_info, | |
1355 | .set_path_size = smb2_set_path_size, | |
1356 | .set_file_size = smb2_set_file_size, | |
1357 | .set_file_info = smb2_set_file_info, | |
64a5cfa6 | 1358 | .set_compression = smb2_set_compression, |
38107d45 SF |
1359 | .mkdir = smb2_mkdir, |
1360 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1361 | .rmdir = smb2_rmdir, | |
1362 | .unlink = smb2_unlink, | |
1363 | .rename = smb2_rename_path, | |
1364 | .create_hardlink = smb2_create_hardlink, | |
b42bf888 | 1365 | .query_symlink = smb2_query_symlink, |
38107d45 SF |
1366 | .open = smb2_open_file, |
1367 | .set_fid = smb2_set_fid, | |
1368 | .close = smb2_close_file, | |
1369 | .flush = smb2_flush_file, | |
1370 | .async_readv = smb2_async_readv, | |
1371 | .async_writev = smb2_async_writev, | |
1372 | .sync_read = smb2_sync_read, | |
1373 | .sync_write = smb2_sync_write, | |
1374 | .query_dir_first = smb2_query_dir_first, | |
1375 | .query_dir_next = smb2_query_dir_next, | |
1376 | .close_dir = smb2_close_dir, | |
1377 | .calc_smb_size = smb2_calc_size, | |
1378 | .is_status_pending = smb2_is_status_pending, | |
1379 | .oplock_response = smb2_oplock_response, | |
1380 | .queryfs = smb2_queryfs, | |
1381 | .mand_lock = smb2_mand_lock, | |
1382 | .mand_unlock_range = smb2_unlock_range, | |
1383 | .push_mand_locks = smb2_push_mandatory_locks, | |
1384 | .get_lease_key = smb2_get_lease_key, | |
1385 | .set_lease_key = smb2_set_lease_key, | |
1386 | .new_lease_key = smb2_new_lease_key, | |
e65a5cb4 | 1387 | .generate_signingkey = generate_smb3signingkey, |
38107d45 | 1388 | .calc_signature = smb3_calc_signature, |
53ef1016 | 1389 | .is_read_op = smb21_is_read_op, |
42873b0a | 1390 | .set_oplock_level = smb3_set_oplock_level, |
f047390a PS |
1391 | .create_lease_buf = smb3_create_lease_buf, |
1392 | .parse_lease_buf = smb3_parse_lease_buf, | |
41c1358e | 1393 | .clone_range = smb2_clone_range, |
ff1c038a | 1394 | .validate_negotiate = smb3_validate_negotiate, |
7f6c5008 | 1395 | .wp_retry_size = smb2_wp_retry_size, |
1080ef75 SF |
1396 | }; |
1397 | ||
dd446b16 SF |
1398 | struct smb_version_values smb20_values = { |
1399 | .version_string = SMB20_VERSION_STRING, | |
1400 | .protocol_id = SMB20_PROT_ID, | |
1401 | .req_capabilities = 0, /* MBZ */ | |
1402 | .large_lock_type = 0, | |
1403 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1404 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1405 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1406 | .header_size = sizeof(struct smb2_hdr), | |
1407 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1408 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1409 | .lock_cmd = SMB2_LOCK, | |
1410 | .cap_unix = 0, | |
1411 | .cap_nt_find = SMB2_NT_FIND, | |
1412 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1413 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1414 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
a41a28bd | 1415 | .create_lease_size = sizeof(struct create_lease), |
dd446b16 SF |
1416 | }; |
1417 | ||
1080ef75 SF |
1418 | struct smb_version_values smb21_values = { |
1419 | .version_string = SMB21_VERSION_STRING, | |
e4aa25e7 SF |
1420 | .protocol_id = SMB21_PROT_ID, |
1421 | .req_capabilities = 0, /* MBZ on negotiate req until SMB3 dialect */ | |
1422 | .large_lock_type = 0, | |
1423 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1424 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1425 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1426 | .header_size = sizeof(struct smb2_hdr), | |
1427 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1428 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1429 | .lock_cmd = SMB2_LOCK, | |
1430 | .cap_unix = 0, | |
1431 | .cap_nt_find = SMB2_NT_FIND, | |
1432 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1433 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1434 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
a41a28bd | 1435 | .create_lease_size = sizeof(struct create_lease), |
e4aa25e7 SF |
1436 | }; |
1437 | ||
1438 | struct smb_version_values smb30_values = { | |
1439 | .version_string = SMB30_VERSION_STRING, | |
1440 | .protocol_id = SMB30_PROT_ID, | |
1441 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, | |
027e8eec PS |
1442 | .large_lock_type = 0, |
1443 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1444 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1445 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
093b2bda PS |
1446 | .header_size = sizeof(struct smb2_hdr), |
1447 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
09a4707e | 1448 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, |
2dc7e1c0 | 1449 | .lock_cmd = SMB2_LOCK, |
29e20f9c PS |
1450 | .cap_unix = 0, |
1451 | .cap_nt_find = SMB2_NT_FIND, | |
1452 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1453 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1454 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
f047390a | 1455 | .create_lease_size = sizeof(struct create_lease_v2), |
1080ef75 | 1456 | }; |
20b6d8b4 SF |
1457 | |
1458 | struct smb_version_values smb302_values = { | |
1459 | .version_string = SMB302_VERSION_STRING, | |
1460 | .protocol_id = SMB302_PROT_ID, | |
1461 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, | |
1462 | .large_lock_type = 0, | |
1463 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1464 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1465 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1466 | .header_size = sizeof(struct smb2_hdr), | |
1467 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1468 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1469 | .lock_cmd = SMB2_LOCK, | |
1470 | .cap_unix = 0, | |
1471 | .cap_nt_find = SMB2_NT_FIND, | |
1472 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1473 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1474 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
f047390a | 1475 | .create_lease_size = sizeof(struct create_lease_v2), |
20b6d8b4 | 1476 | }; |