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; | |
e0ddde9d SF |
53 | if (enable_oplocks) { |
54 | server->oplocks = true; | |
55 | server->oplock_credits = 1; | |
56 | } else | |
57 | server->oplocks = false; | |
58 | ||
28ea5290 | 59 | server->echo_credits = 1; |
28ea5290 PS |
60 | } |
61 | server->credits -= server->echo_credits + server->oplock_credits; | |
62 | return 0; | |
63 | } | |
64 | ||
65 | static void | |
66 | smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add, | |
67 | const int optype) | |
68 | { | |
69 | int *val, rc = 0; | |
70 | spin_lock(&server->req_lock); | |
71 | val = server->ops->get_credits_field(server, optype); | |
72 | *val += add; | |
73 | server->in_flight--; | |
ec2e4523 | 74 | if (server->in_flight == 0 && (optype & CIFS_OP_MASK) != CIFS_NEG_OP) |
28ea5290 | 75 | rc = change_conf(server); |
983c88a4 PS |
76 | /* |
77 | * Sometimes server returns 0 credits on oplock break ack - we need to | |
78 | * rebalance credits in this case. | |
79 | */ | |
80 | else if (server->in_flight > 0 && server->oplock_credits == 0 && | |
81 | server->oplocks) { | |
82 | if (server->credits > 1) { | |
83 | server->credits--; | |
84 | server->oplock_credits++; | |
85 | } | |
86 | } | |
28ea5290 PS |
87 | spin_unlock(&server->req_lock); |
88 | wake_up(&server->request_q); | |
89 | if (rc) | |
90 | cifs_reconnect(server); | |
91 | } | |
92 | ||
93 | static void | |
94 | smb2_set_credits(struct TCP_Server_Info *server, const int val) | |
95 | { | |
96 | spin_lock(&server->req_lock); | |
97 | server->credits = val; | |
98 | spin_unlock(&server->req_lock); | |
99 | } | |
100 | ||
101 | static int * | |
102 | smb2_get_credits_field(struct TCP_Server_Info *server, const int optype) | |
103 | { | |
104 | switch (optype) { | |
105 | case CIFS_ECHO_OP: | |
106 | return &server->echo_credits; | |
107 | case CIFS_OBREAK_OP: | |
108 | return &server->oplock_credits; | |
109 | default: | |
110 | return &server->credits; | |
111 | } | |
112 | } | |
113 | ||
114 | static unsigned int | |
115 | smb2_get_credits(struct mid_q_entry *mid) | |
116 | { | |
117 | return le16_to_cpu(((struct smb2_hdr *)mid->resp_buf)->CreditRequest); | |
118 | } | |
2dc7e1c0 | 119 | |
cb7e9eab PS |
120 | static int |
121 | smb2_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size, | |
122 | unsigned int *num, unsigned int *credits) | |
123 | { | |
124 | int rc = 0; | |
125 | unsigned int scredits; | |
126 | ||
127 | spin_lock(&server->req_lock); | |
128 | while (1) { | |
129 | if (server->credits <= 0) { | |
130 | spin_unlock(&server->req_lock); | |
131 | cifs_num_waiters_inc(server); | |
132 | rc = wait_event_killable(server->request_q, | |
133 | has_credits(server, &server->credits)); | |
134 | cifs_num_waiters_dec(server); | |
135 | if (rc) | |
136 | return rc; | |
137 | spin_lock(&server->req_lock); | |
138 | } else { | |
139 | if (server->tcpStatus == CifsExiting) { | |
140 | spin_unlock(&server->req_lock); | |
141 | return -ENOENT; | |
142 | } | |
143 | ||
144 | scredits = server->credits; | |
145 | /* can deadlock with reopen */ | |
146 | if (scredits == 1) { | |
147 | *num = SMB2_MAX_BUFFER_SIZE; | |
148 | *credits = 0; | |
149 | break; | |
150 | } | |
151 | ||
152 | /* leave one credit for a possible reopen */ | |
153 | scredits--; | |
154 | *num = min_t(unsigned int, size, | |
155 | scredits * SMB2_MAX_BUFFER_SIZE); | |
156 | ||
157 | *credits = DIV_ROUND_UP(*num, SMB2_MAX_BUFFER_SIZE); | |
158 | server->credits -= *credits; | |
159 | server->in_flight++; | |
160 | break; | |
161 | } | |
162 | } | |
163 | spin_unlock(&server->req_lock); | |
164 | return rc; | |
165 | } | |
166 | ||
2dc7e1c0 PS |
167 | static __u64 |
168 | smb2_get_next_mid(struct TCP_Server_Info *server) | |
169 | { | |
170 | __u64 mid; | |
171 | /* for SMB2 we need the current value */ | |
172 | spin_lock(&GlobalMid_Lock); | |
173 | mid = server->CurrentMid++; | |
174 | spin_unlock(&GlobalMid_Lock); | |
175 | return mid; | |
176 | } | |
1080ef75 | 177 | |
093b2bda PS |
178 | static struct mid_q_entry * |
179 | smb2_find_mid(struct TCP_Server_Info *server, char *buf) | |
180 | { | |
181 | struct mid_q_entry *mid; | |
182 | struct smb2_hdr *hdr = (struct smb2_hdr *)buf; | |
9235d098 | 183 | __u64 wire_mid = le64_to_cpu(hdr->MessageId); |
093b2bda | 184 | |
373512ec SF |
185 | if (hdr->ProtocolId == SMB2_TRANSFORM_PROTO_NUM) { |
186 | cifs_dbg(VFS, "encrypted frame parsing not supported yet"); | |
187 | return NULL; | |
188 | } | |
189 | ||
093b2bda PS |
190 | spin_lock(&GlobalMid_Lock); |
191 | list_for_each_entry(mid, &server->pending_mid_q, qhead) { | |
9235d098 | 192 | if ((mid->mid == wire_mid) && |
093b2bda PS |
193 | (mid->mid_state == MID_REQUEST_SUBMITTED) && |
194 | (mid->command == hdr->Command)) { | |
195 | spin_unlock(&GlobalMid_Lock); | |
196 | return mid; | |
197 | } | |
198 | } | |
199 | spin_unlock(&GlobalMid_Lock); | |
200 | return NULL; | |
201 | } | |
202 | ||
203 | static void | |
204 | smb2_dump_detail(void *buf) | |
205 | { | |
206 | #ifdef CONFIG_CIFS_DEBUG2 | |
207 | struct smb2_hdr *smb = (struct smb2_hdr *)buf; | |
208 | ||
f96637be JP |
209 | cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n", |
210 | smb->Command, smb->Status, smb->Flags, smb->MessageId, | |
211 | smb->ProcessId); | |
212 | cifs_dbg(VFS, "smb buf %p len %u\n", smb, smb2_calc_size(smb)); | |
093b2bda PS |
213 | #endif |
214 | } | |
215 | ||
ec2e4523 PS |
216 | static bool |
217 | smb2_need_neg(struct TCP_Server_Info *server) | |
218 | { | |
219 | return server->max_read == 0; | |
220 | } | |
221 | ||
222 | static int | |
223 | smb2_negotiate(const unsigned int xid, struct cifs_ses *ses) | |
224 | { | |
225 | int rc; | |
226 | ses->server->CurrentMid = 0; | |
227 | rc = SMB2_negotiate(xid, ses); | |
228 | /* BB we probably don't need to retry with modern servers */ | |
229 | if (rc == -EAGAIN) | |
230 | rc = -EHOSTDOWN; | |
231 | return rc; | |
232 | } | |
233 | ||
3a3bab50 PS |
234 | static unsigned int |
235 | smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) | |
236 | { | |
237 | struct TCP_Server_Info *server = tcon->ses->server; | |
238 | unsigned int wsize; | |
239 | ||
240 | /* start with specified wsize, or default */ | |
241 | wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE; | |
242 | wsize = min_t(unsigned int, wsize, server->max_write); | |
cb7e9eab PS |
243 | |
244 | if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) | |
245 | wsize = min_t(unsigned int, wsize, SMB2_MAX_BUFFER_SIZE); | |
3a3bab50 | 246 | |
3a3bab50 PS |
247 | return wsize; |
248 | } | |
249 | ||
250 | static unsigned int | |
251 | smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info) | |
252 | { | |
253 | struct TCP_Server_Info *server = tcon->ses->server; | |
254 | unsigned int rsize; | |
255 | ||
256 | /* start with specified rsize, or default */ | |
257 | rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE; | |
258 | rsize = min_t(unsigned int, rsize, server->max_read); | |
bed9da02 PS |
259 | |
260 | if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU)) | |
261 | rsize = min_t(unsigned int, rsize, SMB2_MAX_BUFFER_SIZE); | |
3a3bab50 | 262 | |
3a3bab50 PS |
263 | return rsize; |
264 | } | |
265 | ||
c481e9fe SF |
266 | #ifdef CONFIG_CIFS_STATS2 |
267 | static int | |
268 | SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon) | |
269 | { | |
270 | int rc; | |
271 | unsigned int ret_data_len = 0; | |
272 | struct network_interface_info_ioctl_rsp *out_buf; | |
273 | ||
274 | rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID, | |
275 | FSCTL_QUERY_NETWORK_INTERFACE_INFO, true /* is_fsctl */, | |
276 | NULL /* no data input */, 0 /* no data input */, | |
277 | (char **)&out_buf, &ret_data_len); | |
9ffc5412 SF |
278 | if (rc != 0) |
279 | cifs_dbg(VFS, "error %d on ioctl to get interface list\n", rc); | |
280 | else if (ret_data_len < sizeof(struct network_interface_info_ioctl_rsp)) { | |
281 | cifs_dbg(VFS, "server returned bad net interface info buf\n"); | |
282 | rc = -EINVAL; | |
283 | } else { | |
c481e9fe SF |
284 | /* Dump info on first interface */ |
285 | cifs_dbg(FYI, "Adapter Capability 0x%x\t", | |
286 | le32_to_cpu(out_buf->Capability)); | |
287 | cifs_dbg(FYI, "Link Speed %lld\n", | |
288 | le64_to_cpu(out_buf->LinkSpeed)); | |
9ffc5412 | 289 | } |
c481e9fe SF |
290 | |
291 | return rc; | |
292 | } | |
293 | #endif /* STATS2 */ | |
294 | ||
af6a12ea SF |
295 | static void |
296 | smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
297 | { | |
298 | int rc; | |
299 | __le16 srch_path = 0; /* Null - open root of share */ | |
300 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
301 | struct cifs_open_parms oparms; | |
302 | struct cifs_fid fid; | |
303 | ||
304 | oparms.tcon = tcon; | |
305 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
306 | oparms.disposition = FILE_OPEN; | |
307 | oparms.create_options = 0; | |
308 | oparms.fid = &fid; | |
309 | oparms.reconnect = false; | |
310 | ||
311 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
312 | if (rc) | |
313 | return; | |
314 | ||
c481e9fe SF |
315 | #ifdef CONFIG_CIFS_STATS2 |
316 | SMB3_request_interfaces(xid, tcon); | |
317 | #endif /* STATS2 */ | |
318 | ||
af6a12ea SF |
319 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
320 | FS_ATTRIBUTE_INFORMATION); | |
321 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
322 | FS_DEVICE_INFORMATION); | |
323 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
324 | FS_SECTOR_SIZE_INFORMATION); /* SMB3 specific */ | |
325 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
326 | return; | |
327 | } | |
328 | ||
34f62640 SF |
329 | static void |
330 | smb2_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
331 | { | |
332 | int rc; | |
333 | __le16 srch_path = 0; /* Null - open root of share */ | |
334 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
335 | struct cifs_open_parms oparms; | |
336 | struct cifs_fid fid; | |
337 | ||
338 | oparms.tcon = tcon; | |
339 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
340 | oparms.disposition = FILE_OPEN; | |
341 | oparms.create_options = 0; | |
342 | oparms.fid = &fid; | |
343 | oparms.reconnect = false; | |
344 | ||
345 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
346 | if (rc) | |
347 | return; | |
348 | ||
2167114c SF |
349 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
350 | FS_ATTRIBUTE_INFORMATION); | |
351 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
352 | FS_DEVICE_INFORMATION); | |
34f62640 SF |
353 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); |
354 | return; | |
355 | } | |
356 | ||
2503a0db PS |
357 | static int |
358 | smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, | |
359 | struct cifs_sb_info *cifs_sb, const char *full_path) | |
360 | { | |
361 | int rc; | |
2503a0db | 362 | __le16 *utf16_path; |
2e44b288 | 363 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; |
064f6047 PS |
364 | struct cifs_open_parms oparms; |
365 | struct cifs_fid fid; | |
2503a0db PS |
366 | |
367 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
368 | if (!utf16_path) | |
369 | return -ENOMEM; | |
370 | ||
064f6047 PS |
371 | oparms.tcon = tcon; |
372 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
373 | oparms.disposition = FILE_OPEN; | |
374 | oparms.create_options = 0; | |
375 | oparms.fid = &fid; | |
9cbc0b73 | 376 | oparms.reconnect = false; |
064f6047 | 377 | |
b42bf888 | 378 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); |
2503a0db PS |
379 | if (rc) { |
380 | kfree(utf16_path); | |
381 | return rc; | |
382 | } | |
383 | ||
064f6047 | 384 | rc = SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); |
2503a0db PS |
385 | kfree(utf16_path); |
386 | return rc; | |
387 | } | |
388 | ||
be4cb9e3 PS |
389 | static int |
390 | smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon, | |
391 | struct cifs_sb_info *cifs_sb, const char *full_path, | |
392 | u64 *uniqueid, FILE_ALL_INFO *data) | |
393 | { | |
394 | *uniqueid = le64_to_cpu(data->IndexNumber); | |
395 | return 0; | |
396 | } | |
397 | ||
b7546bc5 PS |
398 | static int |
399 | smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon, | |
400 | struct cifs_fid *fid, FILE_ALL_INFO *data) | |
401 | { | |
402 | int rc; | |
403 | struct smb2_file_all_info *smb2_data; | |
404 | ||
1bbe4997 | 405 | smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2, |
b7546bc5 PS |
406 | GFP_KERNEL); |
407 | if (smb2_data == NULL) | |
408 | return -ENOMEM; | |
409 | ||
410 | rc = SMB2_query_info(xid, tcon, fid->persistent_fid, fid->volatile_fid, | |
411 | smb2_data); | |
412 | if (!rc) | |
413 | move_smb2_info_to_cifs(data, smb2_data); | |
414 | kfree(smb2_data); | |
415 | return rc; | |
416 | } | |
417 | ||
9094fad1 PS |
418 | static bool |
419 | smb2_can_echo(struct TCP_Server_Info *server) | |
420 | { | |
421 | return server->echoes; | |
422 | } | |
423 | ||
d60622eb PS |
424 | static void |
425 | smb2_clear_stats(struct cifs_tcon *tcon) | |
426 | { | |
427 | #ifdef CONFIG_CIFS_STATS | |
428 | int i; | |
429 | for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) { | |
430 | atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); | |
431 | atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); | |
432 | } | |
433 | #endif | |
434 | } | |
435 | ||
769ee6a4 SF |
436 | static void |
437 | smb2_dump_share_caps(struct seq_file *m, struct cifs_tcon *tcon) | |
438 | { | |
439 | seq_puts(m, "\n\tShare Capabilities:"); | |
440 | if (tcon->capabilities & SMB2_SHARE_CAP_DFS) | |
441 | seq_puts(m, " DFS,"); | |
442 | if (tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY) | |
443 | seq_puts(m, " CONTINUOUS AVAILABILITY,"); | |
444 | if (tcon->capabilities & SMB2_SHARE_CAP_SCALEOUT) | |
445 | seq_puts(m, " SCALEOUT,"); | |
446 | if (tcon->capabilities & SMB2_SHARE_CAP_CLUSTER) | |
447 | seq_puts(m, " CLUSTER,"); | |
448 | if (tcon->capabilities & SMB2_SHARE_CAP_ASYMMETRIC) | |
449 | seq_puts(m, " ASYMMETRIC,"); | |
450 | if (tcon->capabilities == 0) | |
451 | seq_puts(m, " None"); | |
af6a12ea SF |
452 | if (tcon->ss_flags & SSINFO_FLAGS_ALIGNED_DEVICE) |
453 | seq_puts(m, " Aligned,"); | |
454 | if (tcon->ss_flags & SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE) | |
455 | seq_puts(m, " Partition Aligned,"); | |
456 | if (tcon->ss_flags & SSINFO_FLAGS_NO_SEEK_PENALTY) | |
457 | seq_puts(m, " SSD,"); | |
458 | if (tcon->ss_flags & SSINFO_FLAGS_TRIM_ENABLED) | |
459 | seq_puts(m, " TRIM-support,"); | |
460 | ||
769ee6a4 | 461 | seq_printf(m, "\tShare Flags: 0x%x", tcon->share_flags); |
af6a12ea SF |
462 | if (tcon->perf_sector_size) |
463 | seq_printf(m, "\tOptimal sector size: 0x%x", | |
464 | tcon->perf_sector_size); | |
769ee6a4 SF |
465 | } |
466 | ||
d60622eb PS |
467 | static void |
468 | smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon) | |
469 | { | |
470 | #ifdef CONFIG_CIFS_STATS | |
471 | atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent; | |
472 | atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed; | |
473 | seq_printf(m, "\nNegotiates: %d sent %d failed", | |
474 | atomic_read(&sent[SMB2_NEGOTIATE_HE]), | |
475 | atomic_read(&failed[SMB2_NEGOTIATE_HE])); | |
476 | seq_printf(m, "\nSessionSetups: %d sent %d failed", | |
477 | atomic_read(&sent[SMB2_SESSION_SETUP_HE]), | |
478 | atomic_read(&failed[SMB2_SESSION_SETUP_HE])); | |
d60622eb PS |
479 | seq_printf(m, "\nLogoffs: %d sent %d failed", |
480 | atomic_read(&sent[SMB2_LOGOFF_HE]), | |
481 | atomic_read(&failed[SMB2_LOGOFF_HE])); | |
482 | seq_printf(m, "\nTreeConnects: %d sent %d failed", | |
483 | atomic_read(&sent[SMB2_TREE_CONNECT_HE]), | |
484 | atomic_read(&failed[SMB2_TREE_CONNECT_HE])); | |
485 | seq_printf(m, "\nTreeDisconnects: %d sent %d failed", | |
486 | atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]), | |
487 | atomic_read(&failed[SMB2_TREE_DISCONNECT_HE])); | |
488 | seq_printf(m, "\nCreates: %d sent %d failed", | |
489 | atomic_read(&sent[SMB2_CREATE_HE]), | |
490 | atomic_read(&failed[SMB2_CREATE_HE])); | |
491 | seq_printf(m, "\nCloses: %d sent %d failed", | |
492 | atomic_read(&sent[SMB2_CLOSE_HE]), | |
493 | atomic_read(&failed[SMB2_CLOSE_HE])); | |
494 | seq_printf(m, "\nFlushes: %d sent %d failed", | |
495 | atomic_read(&sent[SMB2_FLUSH_HE]), | |
496 | atomic_read(&failed[SMB2_FLUSH_HE])); | |
497 | seq_printf(m, "\nReads: %d sent %d failed", | |
498 | atomic_read(&sent[SMB2_READ_HE]), | |
499 | atomic_read(&failed[SMB2_READ_HE])); | |
500 | seq_printf(m, "\nWrites: %d sent %d failed", | |
501 | atomic_read(&sent[SMB2_WRITE_HE]), | |
502 | atomic_read(&failed[SMB2_WRITE_HE])); | |
503 | seq_printf(m, "\nLocks: %d sent %d failed", | |
504 | atomic_read(&sent[SMB2_LOCK_HE]), | |
505 | atomic_read(&failed[SMB2_LOCK_HE])); | |
506 | seq_printf(m, "\nIOCTLs: %d sent %d failed", | |
507 | atomic_read(&sent[SMB2_IOCTL_HE]), | |
508 | atomic_read(&failed[SMB2_IOCTL_HE])); | |
509 | seq_printf(m, "\nCancels: %d sent %d failed", | |
510 | atomic_read(&sent[SMB2_CANCEL_HE]), | |
511 | atomic_read(&failed[SMB2_CANCEL_HE])); | |
512 | seq_printf(m, "\nEchos: %d sent %d failed", | |
513 | atomic_read(&sent[SMB2_ECHO_HE]), | |
514 | atomic_read(&failed[SMB2_ECHO_HE])); | |
515 | seq_printf(m, "\nQueryDirectories: %d sent %d failed", | |
516 | atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]), | |
517 | atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE])); | |
518 | seq_printf(m, "\nChangeNotifies: %d sent %d failed", | |
519 | atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]), | |
520 | atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE])); | |
521 | seq_printf(m, "\nQueryInfos: %d sent %d failed", | |
522 | atomic_read(&sent[SMB2_QUERY_INFO_HE]), | |
523 | atomic_read(&failed[SMB2_QUERY_INFO_HE])); | |
524 | seq_printf(m, "\nSetInfos: %d sent %d failed", | |
525 | atomic_read(&sent[SMB2_SET_INFO_HE]), | |
526 | atomic_read(&failed[SMB2_SET_INFO_HE])); | |
527 | seq_printf(m, "\nOplockBreaks: %d sent %d failed", | |
528 | atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]), | |
529 | atomic_read(&failed[SMB2_OPLOCK_BREAK_HE])); | |
530 | #endif | |
531 | } | |
532 | ||
f0df737e PS |
533 | static void |
534 | smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock) | |
535 | { | |
2b0143b5 | 536 | struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry)); |
53ef1016 PS |
537 | struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server; |
538 | ||
f0df737e PS |
539 | cfile->fid.persistent_fid = fid->persistent_fid; |
540 | cfile->fid.volatile_fid = fid->volatile_fid; | |
42873b0a PS |
541 | server->ops->set_oplock_level(cinode, oplock, fid->epoch, |
542 | &fid->purge_cache); | |
18cceb6a | 543 | cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode); |
f0df737e PS |
544 | } |
545 | ||
760ad0ca | 546 | static void |
f0df737e PS |
547 | smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon, |
548 | struct cifs_fid *fid) | |
549 | { | |
760ad0ca | 550 | SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); |
f0df737e PS |
551 | } |
552 | ||
41c1358e SF |
553 | static int |
554 | SMB2_request_res_key(const unsigned int xid, struct cifs_tcon *tcon, | |
555 | u64 persistent_fid, u64 volatile_fid, | |
556 | struct copychunk_ioctl *pcchunk) | |
557 | { | |
558 | int rc; | |
559 | unsigned int ret_data_len; | |
560 | struct resume_key_req *res_key; | |
561 | ||
562 | rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, | |
563 | FSCTL_SRV_REQUEST_RESUME_KEY, true /* is_fsctl */, | |
564 | NULL, 0 /* no input */, | |
565 | (char **)&res_key, &ret_data_len); | |
566 | ||
567 | if (rc) { | |
568 | cifs_dbg(VFS, "refcpy ioctl error %d getting resume key\n", rc); | |
569 | goto req_res_key_exit; | |
570 | } | |
571 | if (ret_data_len < sizeof(struct resume_key_req)) { | |
572 | cifs_dbg(VFS, "Invalid refcopy resume key length\n"); | |
573 | rc = -EINVAL; | |
574 | goto req_res_key_exit; | |
575 | } | |
576 | memcpy(pcchunk->SourceKey, res_key->ResumeKey, COPY_CHUNK_RES_KEY_SIZE); | |
577 | ||
578 | req_res_key_exit: | |
579 | kfree(res_key); | |
580 | return rc; | |
581 | } | |
582 | ||
583 | static int | |
584 | smb2_clone_range(const unsigned int xid, | |
585 | struct cifsFileInfo *srcfile, | |
586 | struct cifsFileInfo *trgtfile, u64 src_off, | |
587 | u64 len, u64 dest_off) | |
588 | { | |
589 | int rc; | |
590 | unsigned int ret_data_len; | |
591 | struct copychunk_ioctl *pcchunk; | |
9bf0c9cd SF |
592 | struct copychunk_ioctl_rsp *retbuf = NULL; |
593 | struct cifs_tcon *tcon; | |
594 | int chunks_copied = 0; | |
595 | bool chunk_sizes_updated = false; | |
41c1358e SF |
596 | |
597 | pcchunk = kmalloc(sizeof(struct copychunk_ioctl), GFP_KERNEL); | |
598 | ||
599 | if (pcchunk == NULL) | |
600 | return -ENOMEM; | |
601 | ||
602 | cifs_dbg(FYI, "in smb2_clone_range - about to call request res key\n"); | |
603 | /* Request a key from the server to identify the source of the copy */ | |
604 | rc = SMB2_request_res_key(xid, tlink_tcon(srcfile->tlink), | |
605 | srcfile->fid.persistent_fid, | |
606 | srcfile->fid.volatile_fid, pcchunk); | |
607 | ||
608 | /* Note: request_res_key sets res_key null only if rc !=0 */ | |
609 | if (rc) | |
9bf0c9cd | 610 | goto cchunk_out; |
41c1358e SF |
611 | |
612 | /* For now array only one chunk long, will make more flexible later */ | |
bc09d141 | 613 | pcchunk->ChunkCount = cpu_to_le32(1); |
41c1358e | 614 | pcchunk->Reserved = 0; |
41c1358e SF |
615 | pcchunk->Reserved2 = 0; |
616 | ||
9bf0c9cd | 617 | tcon = tlink_tcon(trgtfile->tlink); |
41c1358e | 618 | |
9bf0c9cd SF |
619 | while (len > 0) { |
620 | pcchunk->SourceOffset = cpu_to_le64(src_off); | |
621 | pcchunk->TargetOffset = cpu_to_le64(dest_off); | |
622 | pcchunk->Length = | |
623 | cpu_to_le32(min_t(u32, len, tcon->max_bytes_chunk)); | |
41c1358e | 624 | |
9bf0c9cd SF |
625 | /* Request server copy to target from src identified by key */ |
626 | rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, | |
627 | trgtfile->fid.volatile_fid, FSCTL_SRV_COPYCHUNK_WRITE, | |
628 | true /* is_fsctl */, (char *)pcchunk, | |
629 | sizeof(struct copychunk_ioctl), (char **)&retbuf, | |
630 | &ret_data_len); | |
631 | if (rc == 0) { | |
632 | if (ret_data_len != | |
633 | sizeof(struct copychunk_ioctl_rsp)) { | |
634 | cifs_dbg(VFS, "invalid cchunk response size\n"); | |
635 | rc = -EIO; | |
636 | goto cchunk_out; | |
637 | } | |
638 | if (retbuf->TotalBytesWritten == 0) { | |
639 | cifs_dbg(FYI, "no bytes copied\n"); | |
640 | rc = -EIO; | |
641 | goto cchunk_out; | |
642 | } | |
643 | /* | |
644 | * Check if server claimed to write more than we asked | |
645 | */ | |
646 | if (le32_to_cpu(retbuf->TotalBytesWritten) > | |
647 | le32_to_cpu(pcchunk->Length)) { | |
648 | cifs_dbg(VFS, "invalid copy chunk response\n"); | |
649 | rc = -EIO; | |
650 | goto cchunk_out; | |
651 | } | |
652 | if (le32_to_cpu(retbuf->ChunksWritten) != 1) { | |
653 | cifs_dbg(VFS, "invalid num chunks written\n"); | |
654 | rc = -EIO; | |
655 | goto cchunk_out; | |
656 | } | |
657 | chunks_copied++; | |
658 | ||
659 | src_off += le32_to_cpu(retbuf->TotalBytesWritten); | |
660 | dest_off += le32_to_cpu(retbuf->TotalBytesWritten); | |
661 | len -= le32_to_cpu(retbuf->TotalBytesWritten); | |
662 | ||
663 | cifs_dbg(FYI, "Chunks %d PartialChunk %d Total %d\n", | |
664 | le32_to_cpu(retbuf->ChunksWritten), | |
665 | le32_to_cpu(retbuf->ChunkBytesWritten), | |
666 | le32_to_cpu(retbuf->TotalBytesWritten)); | |
667 | } else if (rc == -EINVAL) { | |
668 | if (ret_data_len != sizeof(struct copychunk_ioctl_rsp)) | |
669 | goto cchunk_out; | |
670 | ||
671 | cifs_dbg(FYI, "MaxChunks %d BytesChunk %d MaxCopy %d\n", | |
672 | le32_to_cpu(retbuf->ChunksWritten), | |
673 | le32_to_cpu(retbuf->ChunkBytesWritten), | |
674 | le32_to_cpu(retbuf->TotalBytesWritten)); | |
675 | ||
676 | /* | |
677 | * Check if this is the first request using these sizes, | |
678 | * (ie check if copy succeed once with original sizes | |
679 | * and check if the server gave us different sizes after | |
680 | * we already updated max sizes on previous request). | |
681 | * if not then why is the server returning an error now | |
682 | */ | |
683 | if ((chunks_copied != 0) || chunk_sizes_updated) | |
684 | goto cchunk_out; | |
685 | ||
686 | /* Check that server is not asking us to grow size */ | |
687 | if (le32_to_cpu(retbuf->ChunkBytesWritten) < | |
688 | tcon->max_bytes_chunk) | |
689 | tcon->max_bytes_chunk = | |
690 | le32_to_cpu(retbuf->ChunkBytesWritten); | |
691 | else | |
692 | goto cchunk_out; /* server gave us bogus size */ | |
693 | ||
694 | /* No need to change MaxChunks since already set to 1 */ | |
695 | chunk_sizes_updated = true; | |
2477bc58 SP |
696 | } else |
697 | goto cchunk_out; | |
9bf0c9cd | 698 | } |
41c1358e | 699 | |
9bf0c9cd | 700 | cchunk_out: |
41c1358e SF |
701 | kfree(pcchunk); |
702 | return rc; | |
703 | } | |
704 | ||
7a5cfb19 PS |
705 | static int |
706 | smb2_flush_file(const unsigned int xid, struct cifs_tcon *tcon, | |
707 | struct cifs_fid *fid) | |
708 | { | |
709 | return SMB2_flush(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
710 | } | |
711 | ||
09a4707e PS |
712 | static unsigned int |
713 | smb2_read_data_offset(char *buf) | |
714 | { | |
715 | struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; | |
716 | return rsp->DataOffset; | |
717 | } | |
718 | ||
719 | static unsigned int | |
720 | smb2_read_data_length(char *buf) | |
721 | { | |
722 | struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; | |
723 | return le32_to_cpu(rsp->DataLength); | |
724 | } | |
725 | ||
d8e05039 PS |
726 | |
727 | static int | |
db8b631d | 728 | smb2_sync_read(const unsigned int xid, struct cifs_fid *pfid, |
d8e05039 PS |
729 | struct cifs_io_parms *parms, unsigned int *bytes_read, |
730 | char **buf, int *buf_type) | |
731 | { | |
db8b631d SF |
732 | parms->persistent_fid = pfid->persistent_fid; |
733 | parms->volatile_fid = pfid->volatile_fid; | |
d8e05039 PS |
734 | return SMB2_read(xid, parms, bytes_read, buf, buf_type); |
735 | } | |
736 | ||
009d3443 | 737 | static int |
db8b631d | 738 | smb2_sync_write(const unsigned int xid, struct cifs_fid *pfid, |
009d3443 PS |
739 | struct cifs_io_parms *parms, unsigned int *written, |
740 | struct kvec *iov, unsigned long nr_segs) | |
741 | { | |
742 | ||
db8b631d SF |
743 | parms->persistent_fid = pfid->persistent_fid; |
744 | parms->volatile_fid = pfid->volatile_fid; | |
009d3443 PS |
745 | return SMB2_write(xid, parms, written, iov, nr_segs); |
746 | } | |
747 | ||
d43cc793 SF |
748 | /* Set or clear the SPARSE_FILE attribute based on value passed in setsparse */ |
749 | static bool smb2_set_sparse(const unsigned int xid, struct cifs_tcon *tcon, | |
750 | struct cifsFileInfo *cfile, struct inode *inode, __u8 setsparse) | |
751 | { | |
752 | struct cifsInodeInfo *cifsi; | |
753 | int rc; | |
754 | ||
755 | cifsi = CIFS_I(inode); | |
756 | ||
757 | /* if file already sparse don't bother setting sparse again */ | |
758 | if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) && setsparse) | |
759 | return true; /* already sparse */ | |
760 | ||
761 | if (!(cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) && !setsparse) | |
762 | return true; /* already not sparse */ | |
763 | ||
764 | /* | |
765 | * Can't check for sparse support on share the usual way via the | |
766 | * FS attribute info (FILE_SUPPORTS_SPARSE_FILES) on the share | |
767 | * since Samba server doesn't set the flag on the share, yet | |
768 | * supports the set sparse FSCTL and returns sparse correctly | |
769 | * in the file attributes. If we fail setting sparse though we | |
770 | * mark that server does not support sparse files for this share | |
771 | * to avoid repeatedly sending the unsupported fsctl to server | |
772 | * if the file is repeatedly extended. | |
773 | */ | |
774 | if (tcon->broken_sparse_sup) | |
775 | return false; | |
776 | ||
777 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
778 | cfile->fid.volatile_fid, FSCTL_SET_SPARSE, | |
779 | true /* is_fctl */, &setsparse, 1, NULL, NULL); | |
780 | if (rc) { | |
781 | tcon->broken_sparse_sup = true; | |
782 | cifs_dbg(FYI, "set sparse rc = %d\n", rc); | |
783 | return false; | |
784 | } | |
785 | ||
786 | if (setsparse) | |
787 | cifsi->cifsAttrs |= FILE_ATTRIBUTE_SPARSE_FILE; | |
788 | else | |
789 | cifsi->cifsAttrs &= (~FILE_ATTRIBUTE_SPARSE_FILE); | |
790 | ||
791 | return true; | |
792 | } | |
793 | ||
c839ff24 PS |
794 | static int |
795 | smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon, | |
796 | struct cifsFileInfo *cfile, __u64 size, bool set_alloc) | |
797 | { | |
798 | __le64 eof = cpu_to_le64(size); | |
3d1a3745 SF |
799 | struct inode *inode; |
800 | ||
801 | /* | |
802 | * If extending file more than one page make sparse. Many Linux fs | |
803 | * make files sparse by default when extending via ftruncate | |
804 | */ | |
2b0143b5 | 805 | inode = d_inode(cfile->dentry); |
3d1a3745 SF |
806 | |
807 | if (!set_alloc && (size > inode->i_size + 8192)) { | |
3d1a3745 | 808 | __u8 set_sparse = 1; |
d43cc793 SF |
809 | |
810 | /* whether set sparse succeeds or not, extend the file */ | |
811 | smb2_set_sparse(xid, tcon, cfile, inode, set_sparse); | |
3d1a3745 SF |
812 | } |
813 | ||
c839ff24 | 814 | return SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid, |
f29ebb47 | 815 | cfile->fid.volatile_fid, cfile->pid, &eof, false); |
c839ff24 PS |
816 | } |
817 | ||
02b16665 SF |
818 | static int |
819 | smb2_duplicate_extents(const unsigned int xid, | |
820 | struct cifsFileInfo *srcfile, | |
821 | struct cifsFileInfo *trgtfile, u64 src_off, | |
822 | u64 len, u64 dest_off) | |
823 | { | |
824 | int rc; | |
825 | unsigned int ret_data_len; | |
826 | char *retbuf = NULL; | |
827 | struct duplicate_extents_to_file dup_ext_buf; | |
828 | struct cifs_tcon *tcon = tlink_tcon(trgtfile->tlink); | |
829 | ||
830 | /* server fileays advertise duplicate extent support with this flag */ | |
831 | if ((le32_to_cpu(tcon->fsAttrInfo.Attributes) & | |
832 | FILE_SUPPORTS_BLOCK_REFCOUNTING) == 0) | |
833 | return -EOPNOTSUPP; | |
834 | ||
835 | dup_ext_buf.VolatileFileHandle = srcfile->fid.volatile_fid; | |
836 | dup_ext_buf.PersistentFileHandle = srcfile->fid.persistent_fid; | |
837 | dup_ext_buf.SourceFileOffset = cpu_to_le64(src_off); | |
838 | dup_ext_buf.TargetFileOffset = cpu_to_le64(dest_off); | |
839 | dup_ext_buf.ByteCount = cpu_to_le64(len); | |
840 | cifs_dbg(FYI, "duplicate extents: src off %lld dst off %lld len %lld", | |
841 | src_off, dest_off, len); | |
842 | ||
843 | rc = smb2_set_file_size(xid, tcon, trgtfile, dest_off + len, false); | |
844 | if (rc) | |
845 | goto duplicate_extents_out; | |
846 | ||
847 | rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, | |
848 | trgtfile->fid.volatile_fid, | |
849 | FSCTL_DUPLICATE_EXTENTS_TO_FILE, | |
850 | true /* is_fsctl */, (char *)&dup_ext_buf, | |
851 | sizeof(struct duplicate_extents_to_file), | |
852 | (char **)&retbuf, | |
853 | &ret_data_len); | |
854 | ||
855 | if (ret_data_len > 0) | |
856 | cifs_dbg(FYI, "non-zero response length in duplicate extents"); | |
857 | ||
858 | duplicate_extents_out: | |
859 | return rc; | |
860 | } | |
02b16665 | 861 | |
64a5cfa6 SF |
862 | static int |
863 | smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, | |
864 | struct cifsFileInfo *cfile) | |
865 | { | |
866 | return SMB2_set_compression(xid, tcon, cfile->fid.persistent_fid, | |
867 | cfile->fid.volatile_fid); | |
868 | } | |
869 | ||
b3152e2c SF |
870 | static int |
871 | smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon, | |
872 | struct cifsFileInfo *cfile) | |
873 | { | |
874 | struct fsctl_set_integrity_information_req integr_info; | |
875 | char *retbuf = NULL; | |
876 | unsigned int ret_data_len; | |
877 | ||
878 | integr_info.ChecksumAlgorithm = cpu_to_le16(CHECKSUM_TYPE_UNCHANGED); | |
879 | integr_info.Flags = 0; | |
880 | integr_info.Reserved = 0; | |
881 | ||
882 | return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
883 | cfile->fid.volatile_fid, | |
884 | FSCTL_SET_INTEGRITY_INFORMATION, | |
885 | true /* is_fsctl */, (char *)&integr_info, | |
886 | sizeof(struct fsctl_set_integrity_information_req), | |
887 | (char **)&retbuf, | |
888 | &ret_data_len); | |
889 | ||
890 | } | |
891 | ||
d324f08d PS |
892 | static int |
893 | smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, | |
894 | const char *path, struct cifs_sb_info *cifs_sb, | |
895 | struct cifs_fid *fid, __u16 search_flags, | |
896 | struct cifs_search_info *srch_inf) | |
897 | { | |
898 | __le16 *utf16_path; | |
899 | int rc; | |
2e44b288 | 900 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; |
064f6047 | 901 | struct cifs_open_parms oparms; |
d324f08d PS |
902 | |
903 | utf16_path = cifs_convert_path_to_utf16(path, cifs_sb); | |
904 | if (!utf16_path) | |
905 | return -ENOMEM; | |
906 | ||
064f6047 PS |
907 | oparms.tcon = tcon; |
908 | oparms.desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA; | |
909 | oparms.disposition = FILE_OPEN; | |
910 | oparms.create_options = 0; | |
911 | oparms.fid = fid; | |
9cbc0b73 | 912 | oparms.reconnect = false; |
064f6047 | 913 | |
b42bf888 | 914 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); |
d324f08d PS |
915 | kfree(utf16_path); |
916 | if (rc) { | |
f96637be | 917 | cifs_dbg(VFS, "open dir failed\n"); |
d324f08d PS |
918 | return rc; |
919 | } | |
920 | ||
921 | srch_inf->entries_in_buffer = 0; | |
922 | srch_inf->index_of_last_entry = 0; | |
d324f08d | 923 | |
064f6047 PS |
924 | rc = SMB2_query_directory(xid, tcon, fid->persistent_fid, |
925 | fid->volatile_fid, 0, srch_inf); | |
d324f08d | 926 | if (rc) { |
f96637be | 927 | cifs_dbg(VFS, "query directory failed\n"); |
064f6047 | 928 | SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); |
d324f08d PS |
929 | } |
930 | return rc; | |
931 | } | |
932 | ||
933 | static int | |
934 | smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon, | |
935 | struct cifs_fid *fid, __u16 search_flags, | |
936 | struct cifs_search_info *srch_inf) | |
937 | { | |
938 | return SMB2_query_directory(xid, tcon, fid->persistent_fid, | |
939 | fid->volatile_fid, 0, srch_inf); | |
940 | } | |
941 | ||
942 | static int | |
943 | smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon, | |
944 | struct cifs_fid *fid) | |
945 | { | |
946 | return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
947 | } | |
948 | ||
2e44b288 PS |
949 | /* |
950 | * If we negotiate SMB2 protocol and get STATUS_PENDING - update | |
951 | * the number of credits and return true. Otherwise - return false. | |
952 | */ | |
953 | static bool | |
954 | smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length) | |
955 | { | |
956 | struct smb2_hdr *hdr = (struct smb2_hdr *)buf; | |
957 | ||
12e8a208 | 958 | if (hdr->Status != STATUS_PENDING) |
2e44b288 PS |
959 | return false; |
960 | ||
961 | if (!length) { | |
962 | spin_lock(&server->req_lock); | |
963 | server->credits += le16_to_cpu(hdr->CreditRequest); | |
964 | spin_unlock(&server->req_lock); | |
965 | wake_up(&server->request_q); | |
966 | } | |
967 | ||
968 | return true; | |
969 | } | |
970 | ||
983c88a4 PS |
971 | static int |
972 | smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid, | |
973 | struct cifsInodeInfo *cinode) | |
974 | { | |
0822f514 PS |
975 | if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING) |
976 | return SMB2_lease_break(0, tcon, cinode->lease_key, | |
977 | smb2_get_lease_state(cinode)); | |
978 | ||
983c88a4 PS |
979 | return SMB2_oplock_break(0, tcon, fid->persistent_fid, |
980 | fid->volatile_fid, | |
18cceb6a | 981 | CIFS_CACHE_READ(cinode) ? 1 : 0); |
983c88a4 PS |
982 | } |
983 | ||
6fc05c25 PS |
984 | static int |
985 | smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon, | |
986 | struct kstatfs *buf) | |
987 | { | |
988 | int rc; | |
6fc05c25 PS |
989 | __le16 srch_path = 0; /* Null - open root of share */ |
990 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
064f6047 PS |
991 | struct cifs_open_parms oparms; |
992 | struct cifs_fid fid; | |
993 | ||
994 | oparms.tcon = tcon; | |
995 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
996 | oparms.disposition = FILE_OPEN; | |
997 | oparms.create_options = 0; | |
998 | oparms.fid = &fid; | |
9cbc0b73 | 999 | oparms.reconnect = false; |
6fc05c25 | 1000 | |
b42bf888 | 1001 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); |
6fc05c25 PS |
1002 | if (rc) |
1003 | return rc; | |
1004 | buf->f_type = SMB2_MAGIC_NUMBER; | |
064f6047 PS |
1005 | rc = SMB2_QFS_info(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
1006 | buf); | |
1007 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
6fc05c25 PS |
1008 | return rc; |
1009 | } | |
1010 | ||
027e8eec PS |
1011 | static bool |
1012 | smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2) | |
1013 | { | |
1014 | return ob1->fid.persistent_fid == ob2->fid.persistent_fid && | |
1015 | ob1->fid.volatile_fid == ob2->fid.volatile_fid; | |
1016 | } | |
1017 | ||
f7ba7fe6 PS |
1018 | static int |
1019 | smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset, | |
1020 | __u64 length, __u32 type, int lock, int unlock, bool wait) | |
1021 | { | |
1022 | if (unlock && !lock) | |
1023 | type = SMB2_LOCKFLAG_UNLOCK; | |
1024 | return SMB2_lock(xid, tlink_tcon(cfile->tlink), | |
1025 | cfile->fid.persistent_fid, cfile->fid.volatile_fid, | |
1026 | current->tgid, length, offset, type, wait); | |
1027 | } | |
1028 | ||
b8c32dbb PS |
1029 | static void |
1030 | smb2_get_lease_key(struct inode *inode, struct cifs_fid *fid) | |
1031 | { | |
1032 | memcpy(fid->lease_key, CIFS_I(inode)->lease_key, SMB2_LEASE_KEY_SIZE); | |
1033 | } | |
1034 | ||
1035 | static void | |
1036 | smb2_set_lease_key(struct inode *inode, struct cifs_fid *fid) | |
1037 | { | |
1038 | memcpy(CIFS_I(inode)->lease_key, fid->lease_key, SMB2_LEASE_KEY_SIZE); | |
1039 | } | |
1040 | ||
1041 | static void | |
1042 | smb2_new_lease_key(struct cifs_fid *fid) | |
1043 | { | |
1044 | get_random_bytes(fid->lease_key, SMB2_LEASE_KEY_SIZE); | |
1045 | } | |
1046 | ||
b42bf888 PS |
1047 | static int |
1048 | smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, | |
1049 | const char *full_path, char **target_path, | |
1050 | struct cifs_sb_info *cifs_sb) | |
1051 | { | |
1052 | int rc; | |
1053 | __le16 *utf16_path; | |
1054 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
1055 | struct cifs_open_parms oparms; | |
1056 | struct cifs_fid fid; | |
1057 | struct smb2_err_rsp *err_buf = NULL; | |
1058 | struct smb2_symlink_err_rsp *symlink; | |
1059 | unsigned int sub_len, sub_offset; | |
1060 | ||
1061 | cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path); | |
1062 | ||
1063 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
1064 | if (!utf16_path) | |
1065 | return -ENOMEM; | |
1066 | ||
1067 | oparms.tcon = tcon; | |
1068 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
1069 | oparms.disposition = FILE_OPEN; | |
1070 | oparms.create_options = 0; | |
1071 | oparms.fid = &fid; | |
1072 | oparms.reconnect = false; | |
1073 | ||
1074 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, &err_buf); | |
1075 | ||
1076 | if (!rc || !err_buf) { | |
1077 | kfree(utf16_path); | |
1078 | return -ENOENT; | |
1079 | } | |
1080 | /* open must fail on symlink - reset rc */ | |
1081 | rc = 0; | |
1082 | symlink = (struct smb2_symlink_err_rsp *)err_buf->ErrorData; | |
1083 | sub_len = le16_to_cpu(symlink->SubstituteNameLength); | |
1084 | sub_offset = le16_to_cpu(symlink->SubstituteNameOffset); | |
1085 | *target_path = cifs_strndup_from_utf16( | |
1086 | (char *)symlink->PathBuffer + sub_offset, | |
1087 | sub_len, true, cifs_sb->local_nls); | |
1088 | if (!(*target_path)) { | |
1089 | kfree(utf16_path); | |
1090 | return -ENOMEM; | |
1091 | } | |
1092 | convert_delimiter(*target_path, '/'); | |
1093 | cifs_dbg(FYI, "%s: target path: %s\n", __func__, *target_path); | |
1094 | kfree(utf16_path); | |
1095 | return rc; | |
1096 | } | |
1097 | ||
30175628 SF |
1098 | static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon, |
1099 | loff_t offset, loff_t len, bool keep_size) | |
1100 | { | |
1101 | struct inode *inode; | |
1102 | struct cifsInodeInfo *cifsi; | |
1103 | struct cifsFileInfo *cfile = file->private_data; | |
1104 | struct file_zero_data_information fsctl_buf; | |
1105 | long rc; | |
1106 | unsigned int xid; | |
1107 | ||
1108 | xid = get_xid(); | |
1109 | ||
2b0143b5 | 1110 | inode = d_inode(cfile->dentry); |
30175628 SF |
1111 | cifsi = CIFS_I(inode); |
1112 | ||
1113 | /* if file not oplocked can't be sure whether asking to extend size */ | |
1114 | if (!CIFS_CACHE_READ(cifsi)) | |
1115 | if (keep_size == false) | |
1116 | return -EOPNOTSUPP; | |
1117 | ||
2bb93d24 | 1118 | /* |
30175628 SF |
1119 | * Must check if file sparse since fallocate -z (zero range) assumes |
1120 | * non-sparse allocation | |
1121 | */ | |
1122 | if (!(cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE)) | |
1123 | return -EOPNOTSUPP; | |
1124 | ||
1125 | /* | |
1126 | * need to make sure we are not asked to extend the file since the SMB3 | |
1127 | * fsctl does not change the file size. In the future we could change | |
1128 | * this to zero the first part of the range then set the file size | |
1129 | * which for a non sparse file would zero the newly extended range | |
1130 | */ | |
1131 | if (keep_size == false) | |
1132 | if (i_size_read(inode) < offset + len) | |
1133 | return -EOPNOTSUPP; | |
1134 | ||
1135 | cifs_dbg(FYI, "offset %lld len %lld", offset, len); | |
1136 | ||
1137 | fsctl_buf.FileOffset = cpu_to_le64(offset); | |
1138 | fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len); | |
1139 | ||
1140 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
1141 | cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, | |
1142 | true /* is_fctl */, (char *)&fsctl_buf, | |
1143 | sizeof(struct file_zero_data_information), NULL, NULL); | |
1144 | free_xid(xid); | |
1145 | return rc; | |
1146 | } | |
1147 | ||
31742c5a SF |
1148 | static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon, |
1149 | loff_t offset, loff_t len) | |
1150 | { | |
1151 | struct inode *inode; | |
1152 | struct cifsInodeInfo *cifsi; | |
1153 | struct cifsFileInfo *cfile = file->private_data; | |
1154 | struct file_zero_data_information fsctl_buf; | |
1155 | long rc; | |
1156 | unsigned int xid; | |
1157 | __u8 set_sparse = 1; | |
1158 | ||
1159 | xid = get_xid(); | |
1160 | ||
2b0143b5 | 1161 | inode = d_inode(cfile->dentry); |
31742c5a SF |
1162 | cifsi = CIFS_I(inode); |
1163 | ||
1164 | /* Need to make file sparse, if not already, before freeing range. */ | |
1165 | /* Consider adding equivalent for compressed since it could also work */ | |
1166 | if (!smb2_set_sparse(xid, tcon, cfile, inode, set_sparse)) | |
1167 | return -EOPNOTSUPP; | |
1168 | ||
1169 | cifs_dbg(FYI, "offset %lld len %lld", offset, len); | |
1170 | ||
1171 | fsctl_buf.FileOffset = cpu_to_le64(offset); | |
1172 | fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len); | |
1173 | ||
1174 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
1175 | cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, | |
1176 | true /* is_fctl */, (char *)&fsctl_buf, | |
1177 | sizeof(struct file_zero_data_information), NULL, NULL); | |
1178 | free_xid(xid); | |
1179 | return rc; | |
1180 | } | |
1181 | ||
9ccf3216 SF |
1182 | static long smb3_simple_falloc(struct file *file, struct cifs_tcon *tcon, |
1183 | loff_t off, loff_t len, bool keep_size) | |
1184 | { | |
1185 | struct inode *inode; | |
1186 | struct cifsInodeInfo *cifsi; | |
1187 | struct cifsFileInfo *cfile = file->private_data; | |
1188 | long rc = -EOPNOTSUPP; | |
1189 | unsigned int xid; | |
1190 | ||
1191 | xid = get_xid(); | |
1192 | ||
2b0143b5 | 1193 | inode = d_inode(cfile->dentry); |
9ccf3216 SF |
1194 | cifsi = CIFS_I(inode); |
1195 | ||
1196 | /* if file not oplocked can't be sure whether asking to extend size */ | |
1197 | if (!CIFS_CACHE_READ(cifsi)) | |
1198 | if (keep_size == false) | |
1199 | return -EOPNOTSUPP; | |
1200 | ||
1201 | /* | |
1202 | * Files are non-sparse by default so falloc may be a no-op | |
1203 | * Must check if file sparse. If not sparse, and not extending | |
1204 | * then no need to do anything since file already allocated | |
1205 | */ | |
1206 | if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) == 0) { | |
1207 | if (keep_size == true) | |
1208 | return 0; | |
1209 | /* check if extending file */ | |
1210 | else if (i_size_read(inode) >= off + len) | |
1211 | /* not extending file and already not sparse */ | |
1212 | return 0; | |
1213 | /* BB: in future add else clause to extend file */ | |
1214 | else | |
1215 | return -EOPNOTSUPP; | |
1216 | } | |
1217 | ||
1218 | if ((keep_size == true) || (i_size_read(inode) >= off + len)) { | |
1219 | /* | |
1220 | * Check if falloc starts within first few pages of file | |
1221 | * and ends within a few pages of the end of file to | |
1222 | * ensure that most of file is being forced to be | |
1223 | * fallocated now. If so then setting whole file sparse | |
1224 | * ie potentially making a few extra pages at the beginning | |
1225 | * or end of the file non-sparse via set_sparse is harmless. | |
1226 | */ | |
1227 | if ((off > 8192) || (off + len + 8192 < i_size_read(inode))) | |
1228 | return -EOPNOTSUPP; | |
1229 | ||
1230 | rc = smb2_set_sparse(xid, tcon, cfile, inode, false); | |
1231 | } | |
1232 | /* BB: else ... in future add code to extend file and set sparse */ | |
1233 | ||
1234 | ||
1235 | free_xid(xid); | |
1236 | return rc; | |
1237 | } | |
1238 | ||
1239 | ||
31742c5a SF |
1240 | static long smb3_fallocate(struct file *file, struct cifs_tcon *tcon, int mode, |
1241 | loff_t off, loff_t len) | |
1242 | { | |
1243 | /* KEEP_SIZE already checked for by do_fallocate */ | |
1244 | if (mode & FALLOC_FL_PUNCH_HOLE) | |
1245 | return smb3_punch_hole(file, tcon, off, len); | |
30175628 SF |
1246 | else if (mode & FALLOC_FL_ZERO_RANGE) { |
1247 | if (mode & FALLOC_FL_KEEP_SIZE) | |
1248 | return smb3_zero_range(file, tcon, off, len, true); | |
1249 | return smb3_zero_range(file, tcon, off, len, false); | |
9ccf3216 SF |
1250 | } else if (mode == FALLOC_FL_KEEP_SIZE) |
1251 | return smb3_simple_falloc(file, tcon, off, len, true); | |
1252 | else if (mode == 0) | |
1253 | return smb3_simple_falloc(file, tcon, off, len, false); | |
31742c5a SF |
1254 | |
1255 | return -EOPNOTSUPP; | |
1256 | } | |
1257 | ||
c11f1df5 SP |
1258 | static void |
1259 | smb2_downgrade_oplock(struct TCP_Server_Info *server, | |
1260 | struct cifsInodeInfo *cinode, bool set_level2) | |
1261 | { | |
1262 | if (set_level2) | |
1263 | server->ops->set_oplock_level(cinode, SMB2_OPLOCK_LEVEL_II, | |
1264 | 0, NULL); | |
1265 | else | |
1266 | server->ops->set_oplock_level(cinode, 0, 0, NULL); | |
1267 | } | |
1268 | ||
53ef1016 | 1269 | static void |
42873b0a PS |
1270 | smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, |
1271 | unsigned int epoch, bool *purge_cache) | |
53ef1016 PS |
1272 | { |
1273 | oplock &= 0xFF; | |
1274 | if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE) | |
1275 | return; | |
1276 | if (oplock == SMB2_OPLOCK_LEVEL_BATCH) { | |
42873b0a | 1277 | cinode->oplock = CIFS_CACHE_RHW_FLG; |
53ef1016 PS |
1278 | cifs_dbg(FYI, "Batch Oplock granted on inode %p\n", |
1279 | &cinode->vfs_inode); | |
1280 | } else if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) { | |
42873b0a | 1281 | cinode->oplock = CIFS_CACHE_RW_FLG; |
53ef1016 PS |
1282 | cifs_dbg(FYI, "Exclusive Oplock granted on inode %p\n", |
1283 | &cinode->vfs_inode); | |
1284 | } else if (oplock == SMB2_OPLOCK_LEVEL_II) { | |
1285 | cinode->oplock = CIFS_CACHE_READ_FLG; | |
1286 | cifs_dbg(FYI, "Level II Oplock granted on inode %p\n", | |
1287 | &cinode->vfs_inode); | |
1288 | } else | |
1289 | cinode->oplock = 0; | |
1290 | } | |
1291 | ||
1292 | static void | |
42873b0a PS |
1293 | smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, |
1294 | unsigned int epoch, bool *purge_cache) | |
53ef1016 PS |
1295 | { |
1296 | char message[5] = {0}; | |
1297 | ||
1298 | oplock &= 0xFF; | |
1299 | if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE) | |
1300 | return; | |
1301 | ||
1302 | cinode->oplock = 0; | |
1303 | if (oplock & SMB2_LEASE_READ_CACHING_HE) { | |
1304 | cinode->oplock |= CIFS_CACHE_READ_FLG; | |
1305 | strcat(message, "R"); | |
1306 | } | |
1307 | if (oplock & SMB2_LEASE_HANDLE_CACHING_HE) { | |
1308 | cinode->oplock |= CIFS_CACHE_HANDLE_FLG; | |
1309 | strcat(message, "H"); | |
1310 | } | |
1311 | if (oplock & SMB2_LEASE_WRITE_CACHING_HE) { | |
1312 | cinode->oplock |= CIFS_CACHE_WRITE_FLG; | |
1313 | strcat(message, "W"); | |
1314 | } | |
1315 | if (!cinode->oplock) | |
1316 | strcat(message, "None"); | |
1317 | cifs_dbg(FYI, "%s Lease granted on inode %p\n", message, | |
1318 | &cinode->vfs_inode); | |
1319 | } | |
1320 | ||
42873b0a PS |
1321 | static void |
1322 | smb3_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, | |
1323 | unsigned int epoch, bool *purge_cache) | |
1324 | { | |
1325 | unsigned int old_oplock = cinode->oplock; | |
1326 | ||
1327 | smb21_set_oplock_level(cinode, oplock, epoch, purge_cache); | |
1328 | ||
1329 | if (purge_cache) { | |
1330 | *purge_cache = false; | |
1331 | if (old_oplock == CIFS_CACHE_READ_FLG) { | |
1332 | if (cinode->oplock == CIFS_CACHE_READ_FLG && | |
1333 | (epoch - cinode->epoch > 0)) | |
1334 | *purge_cache = true; | |
1335 | else if (cinode->oplock == CIFS_CACHE_RH_FLG && | |
1336 | (epoch - cinode->epoch > 1)) | |
1337 | *purge_cache = true; | |
1338 | else if (cinode->oplock == CIFS_CACHE_RHW_FLG && | |
1339 | (epoch - cinode->epoch > 1)) | |
1340 | *purge_cache = true; | |
1341 | else if (cinode->oplock == 0 && | |
1342 | (epoch - cinode->epoch > 0)) | |
1343 | *purge_cache = true; | |
1344 | } else if (old_oplock == CIFS_CACHE_RH_FLG) { | |
1345 | if (cinode->oplock == CIFS_CACHE_RH_FLG && | |
1346 | (epoch - cinode->epoch > 0)) | |
1347 | *purge_cache = true; | |
1348 | else if (cinode->oplock == CIFS_CACHE_RHW_FLG && | |
1349 | (epoch - cinode->epoch > 1)) | |
1350 | *purge_cache = true; | |
1351 | } | |
1352 | cinode->epoch = epoch; | |
1353 | } | |
1354 | } | |
1355 | ||
53ef1016 PS |
1356 | static bool |
1357 | smb2_is_read_op(__u32 oplock) | |
1358 | { | |
1359 | return oplock == SMB2_OPLOCK_LEVEL_II; | |
1360 | } | |
1361 | ||
1362 | static bool | |
1363 | smb21_is_read_op(__u32 oplock) | |
1364 | { | |
1365 | return (oplock & SMB2_LEASE_READ_CACHING_HE) && | |
1366 | !(oplock & SMB2_LEASE_WRITE_CACHING_HE); | |
1367 | } | |
1368 | ||
f047390a PS |
1369 | static __le32 |
1370 | map_oplock_to_lease(u8 oplock) | |
1371 | { | |
1372 | if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) | |
1373 | return SMB2_LEASE_WRITE_CACHING | SMB2_LEASE_READ_CACHING; | |
1374 | else if (oplock == SMB2_OPLOCK_LEVEL_II) | |
1375 | return SMB2_LEASE_READ_CACHING; | |
1376 | else if (oplock == SMB2_OPLOCK_LEVEL_BATCH) | |
1377 | return SMB2_LEASE_HANDLE_CACHING | SMB2_LEASE_READ_CACHING | | |
1378 | SMB2_LEASE_WRITE_CACHING; | |
1379 | return 0; | |
1380 | } | |
1381 | ||
a41a28bd PS |
1382 | static char * |
1383 | smb2_create_lease_buf(u8 *lease_key, u8 oplock) | |
1384 | { | |
1385 | struct create_lease *buf; | |
1386 | ||
1387 | buf = kzalloc(sizeof(struct create_lease), GFP_KERNEL); | |
1388 | if (!buf) | |
1389 | return NULL; | |
1390 | ||
1391 | buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); | |
1392 | buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); | |
f047390a | 1393 | buf->lcontext.LeaseState = map_oplock_to_lease(oplock); |
a41a28bd PS |
1394 | |
1395 | buf->ccontext.DataOffset = cpu_to_le16(offsetof | |
1396 | (struct create_lease, lcontext)); | |
1397 | buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context)); | |
1398 | buf->ccontext.NameOffset = cpu_to_le16(offsetof | |
1399 | (struct create_lease, Name)); | |
1400 | buf->ccontext.NameLength = cpu_to_le16(4); | |
12197a7f | 1401 | /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */ |
a41a28bd PS |
1402 | buf->Name[0] = 'R'; |
1403 | buf->Name[1] = 'q'; | |
1404 | buf->Name[2] = 'L'; | |
1405 | buf->Name[3] = 's'; | |
1406 | return (char *)buf; | |
1407 | } | |
1408 | ||
f047390a PS |
1409 | static char * |
1410 | smb3_create_lease_buf(u8 *lease_key, u8 oplock) | |
1411 | { | |
1412 | struct create_lease_v2 *buf; | |
1413 | ||
1414 | buf = kzalloc(sizeof(struct create_lease_v2), GFP_KERNEL); | |
1415 | if (!buf) | |
1416 | return NULL; | |
1417 | ||
1418 | buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); | |
1419 | buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); | |
1420 | buf->lcontext.LeaseState = map_oplock_to_lease(oplock); | |
1421 | ||
1422 | buf->ccontext.DataOffset = cpu_to_le16(offsetof | |
1423 | (struct create_lease_v2, lcontext)); | |
1424 | buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context_v2)); | |
1425 | buf->ccontext.NameOffset = cpu_to_le16(offsetof | |
1426 | (struct create_lease_v2, Name)); | |
1427 | buf->ccontext.NameLength = cpu_to_le16(4); | |
12197a7f | 1428 | /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */ |
f047390a PS |
1429 | buf->Name[0] = 'R'; |
1430 | buf->Name[1] = 'q'; | |
1431 | buf->Name[2] = 'L'; | |
1432 | buf->Name[3] = 's'; | |
1433 | return (char *)buf; | |
1434 | } | |
1435 | ||
b5c7cde3 | 1436 | static __u8 |
42873b0a | 1437 | smb2_parse_lease_buf(void *buf, unsigned int *epoch) |
b5c7cde3 PS |
1438 | { |
1439 | struct create_lease *lc = (struct create_lease *)buf; | |
1440 | ||
42873b0a | 1441 | *epoch = 0; /* not used */ |
b5c7cde3 PS |
1442 | if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS) |
1443 | return SMB2_OPLOCK_LEVEL_NOCHANGE; | |
1444 | return le32_to_cpu(lc->lcontext.LeaseState); | |
1445 | } | |
1446 | ||
f047390a | 1447 | static __u8 |
42873b0a | 1448 | smb3_parse_lease_buf(void *buf, unsigned int *epoch) |
f047390a PS |
1449 | { |
1450 | struct create_lease_v2 *lc = (struct create_lease_v2 *)buf; | |
1451 | ||
42873b0a | 1452 | *epoch = le16_to_cpu(lc->lcontext.Epoch); |
f047390a PS |
1453 | if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS) |
1454 | return SMB2_OPLOCK_LEVEL_NOCHANGE; | |
1455 | return le32_to_cpu(lc->lcontext.LeaseState); | |
1456 | } | |
1457 | ||
7f6c5008 PS |
1458 | static unsigned int |
1459 | smb2_wp_retry_size(struct inode *inode) | |
1460 | { | |
1461 | return min_t(unsigned int, CIFS_SB(inode->i_sb)->wsize, | |
1462 | SMB2_MAX_BUFFER_SIZE); | |
1463 | } | |
1464 | ||
52755808 PS |
1465 | static bool |
1466 | smb2_dir_needs_close(struct cifsFileInfo *cfile) | |
1467 | { | |
1468 | return !cfile->invalidHandle; | |
1469 | } | |
1470 | ||
53ef1016 | 1471 | struct smb_version_operations smb20_operations = { |
027e8eec | 1472 | .compare_fids = smb2_compare_fids, |
2dc7e1c0 | 1473 | .setup_request = smb2_setup_request, |
c95b8eed | 1474 | .setup_async_request = smb2_setup_async_request, |
2dc7e1c0 | 1475 | .check_receive = smb2_check_receive, |
28ea5290 PS |
1476 | .add_credits = smb2_add_credits, |
1477 | .set_credits = smb2_set_credits, | |
1478 | .get_credits_field = smb2_get_credits_field, | |
1479 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1480 | .wait_mtu_credits = cifs_wait_mtu_credits, |
2dc7e1c0 | 1481 | .get_next_mid = smb2_get_next_mid, |
09a4707e PS |
1482 | .read_data_offset = smb2_read_data_offset, |
1483 | .read_data_length = smb2_read_data_length, | |
1484 | .map_error = map_smb2_to_linux_error, | |
093b2bda PS |
1485 | .find_mid = smb2_find_mid, |
1486 | .check_message = smb2_check_message, | |
1487 | .dump_detail = smb2_dump_detail, | |
d60622eb PS |
1488 | .clear_stats = smb2_clear_stats, |
1489 | .print_stats = smb2_print_stats, | |
983c88a4 | 1490 | .is_oplock_break = smb2_is_valid_oplock_break, |
c11f1df5 | 1491 | .downgrade_oplock = smb2_downgrade_oplock, |
ec2e4523 PS |
1492 | .need_neg = smb2_need_neg, |
1493 | .negotiate = smb2_negotiate, | |
3a3bab50 PS |
1494 | .negotiate_wsize = smb2_negotiate_wsize, |
1495 | .negotiate_rsize = smb2_negotiate_rsize, | |
5478f9ba PS |
1496 | .sess_setup = SMB2_sess_setup, |
1497 | .logoff = SMB2_logoff, | |
faaf946a PS |
1498 | .tree_connect = SMB2_tcon, |
1499 | .tree_disconnect = SMB2_tdis, | |
34f62640 | 1500 | .qfs_tcon = smb2_qfs_tcon, |
2503a0db | 1501 | .is_path_accessible = smb2_is_path_accessible, |
9094fad1 PS |
1502 | .can_echo = smb2_can_echo, |
1503 | .echo = SMB2_echo, | |
be4cb9e3 PS |
1504 | .query_path_info = smb2_query_path_info, |
1505 | .get_srv_inum = smb2_get_srv_inum, | |
b7546bc5 | 1506 | .query_file_info = smb2_query_file_info, |
c839ff24 PS |
1507 | .set_path_size = smb2_set_path_size, |
1508 | .set_file_size = smb2_set_file_size, | |
1feeaac7 | 1509 | .set_file_info = smb2_set_file_info, |
64a5cfa6 | 1510 | .set_compression = smb2_set_compression, |
a0e73183 PS |
1511 | .mkdir = smb2_mkdir, |
1512 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1a500f01 | 1513 | .rmdir = smb2_rmdir, |
cbe6f439 | 1514 | .unlink = smb2_unlink, |
35143eb5 | 1515 | .rename = smb2_rename_path, |
568798cc | 1516 | .create_hardlink = smb2_create_hardlink, |
b42bf888 | 1517 | .query_symlink = smb2_query_symlink, |
f0df737e PS |
1518 | .open = smb2_open_file, |
1519 | .set_fid = smb2_set_fid, | |
1520 | .close = smb2_close_file, | |
7a5cfb19 | 1521 | .flush = smb2_flush_file, |
09a4707e | 1522 | .async_readv = smb2_async_readv, |
33319141 | 1523 | .async_writev = smb2_async_writev, |
d8e05039 | 1524 | .sync_read = smb2_sync_read, |
009d3443 | 1525 | .sync_write = smb2_sync_write, |
d324f08d PS |
1526 | .query_dir_first = smb2_query_dir_first, |
1527 | .query_dir_next = smb2_query_dir_next, | |
1528 | .close_dir = smb2_close_dir, | |
1529 | .calc_smb_size = smb2_calc_size, | |
2e44b288 | 1530 | .is_status_pending = smb2_is_status_pending, |
983c88a4 | 1531 | .oplock_response = smb2_oplock_response, |
6fc05c25 | 1532 | .queryfs = smb2_queryfs, |
f7ba7fe6 PS |
1533 | .mand_lock = smb2_mand_lock, |
1534 | .mand_unlock_range = smb2_unlock_range, | |
b140799a | 1535 | .push_mand_locks = smb2_push_mandatory_locks, |
b8c32dbb PS |
1536 | .get_lease_key = smb2_get_lease_key, |
1537 | .set_lease_key = smb2_set_lease_key, | |
1538 | .new_lease_key = smb2_new_lease_key, | |
38107d45 | 1539 | .calc_signature = smb2_calc_signature, |
53ef1016 PS |
1540 | .is_read_op = smb2_is_read_op, |
1541 | .set_oplock_level = smb2_set_oplock_level, | |
a41a28bd | 1542 | .create_lease_buf = smb2_create_lease_buf, |
b5c7cde3 | 1543 | .parse_lease_buf = smb2_parse_lease_buf, |
41c1358e | 1544 | .clone_range = smb2_clone_range, |
7f6c5008 | 1545 | .wp_retry_size = smb2_wp_retry_size, |
52755808 | 1546 | .dir_needs_close = smb2_dir_needs_close, |
38107d45 SF |
1547 | }; |
1548 | ||
53ef1016 PS |
1549 | struct smb_version_operations smb21_operations = { |
1550 | .compare_fids = smb2_compare_fids, | |
1551 | .setup_request = smb2_setup_request, | |
1552 | .setup_async_request = smb2_setup_async_request, | |
1553 | .check_receive = smb2_check_receive, | |
1554 | .add_credits = smb2_add_credits, | |
1555 | .set_credits = smb2_set_credits, | |
1556 | .get_credits_field = smb2_get_credits_field, | |
1557 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1558 | .wait_mtu_credits = smb2_wait_mtu_credits, |
53ef1016 PS |
1559 | .get_next_mid = smb2_get_next_mid, |
1560 | .read_data_offset = smb2_read_data_offset, | |
1561 | .read_data_length = smb2_read_data_length, | |
1562 | .map_error = map_smb2_to_linux_error, | |
1563 | .find_mid = smb2_find_mid, | |
1564 | .check_message = smb2_check_message, | |
1565 | .dump_detail = smb2_dump_detail, | |
1566 | .clear_stats = smb2_clear_stats, | |
1567 | .print_stats = smb2_print_stats, | |
1568 | .is_oplock_break = smb2_is_valid_oplock_break, | |
c11f1df5 | 1569 | .downgrade_oplock = smb2_downgrade_oplock, |
53ef1016 PS |
1570 | .need_neg = smb2_need_neg, |
1571 | .negotiate = smb2_negotiate, | |
1572 | .negotiate_wsize = smb2_negotiate_wsize, | |
1573 | .negotiate_rsize = smb2_negotiate_rsize, | |
1574 | .sess_setup = SMB2_sess_setup, | |
1575 | .logoff = SMB2_logoff, | |
1576 | .tree_connect = SMB2_tcon, | |
1577 | .tree_disconnect = SMB2_tdis, | |
34f62640 | 1578 | .qfs_tcon = smb2_qfs_tcon, |
53ef1016 PS |
1579 | .is_path_accessible = smb2_is_path_accessible, |
1580 | .can_echo = smb2_can_echo, | |
1581 | .echo = SMB2_echo, | |
1582 | .query_path_info = smb2_query_path_info, | |
1583 | .get_srv_inum = smb2_get_srv_inum, | |
1584 | .query_file_info = smb2_query_file_info, | |
1585 | .set_path_size = smb2_set_path_size, | |
1586 | .set_file_size = smb2_set_file_size, | |
1587 | .set_file_info = smb2_set_file_info, | |
64a5cfa6 | 1588 | .set_compression = smb2_set_compression, |
53ef1016 PS |
1589 | .mkdir = smb2_mkdir, |
1590 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1591 | .rmdir = smb2_rmdir, | |
1592 | .unlink = smb2_unlink, | |
1593 | .rename = smb2_rename_path, | |
1594 | .create_hardlink = smb2_create_hardlink, | |
1595 | .query_symlink = smb2_query_symlink, | |
c22870ea | 1596 | .query_mf_symlink = smb3_query_mf_symlink, |
5ab97578 | 1597 | .create_mf_symlink = smb3_create_mf_symlink, |
53ef1016 PS |
1598 | .open = smb2_open_file, |
1599 | .set_fid = smb2_set_fid, | |
1600 | .close = smb2_close_file, | |
1601 | .flush = smb2_flush_file, | |
1602 | .async_readv = smb2_async_readv, | |
1603 | .async_writev = smb2_async_writev, | |
1604 | .sync_read = smb2_sync_read, | |
1605 | .sync_write = smb2_sync_write, | |
1606 | .query_dir_first = smb2_query_dir_first, | |
1607 | .query_dir_next = smb2_query_dir_next, | |
1608 | .close_dir = smb2_close_dir, | |
1609 | .calc_smb_size = smb2_calc_size, | |
1610 | .is_status_pending = smb2_is_status_pending, | |
1611 | .oplock_response = smb2_oplock_response, | |
1612 | .queryfs = smb2_queryfs, | |
1613 | .mand_lock = smb2_mand_lock, | |
1614 | .mand_unlock_range = smb2_unlock_range, | |
1615 | .push_mand_locks = smb2_push_mandatory_locks, | |
1616 | .get_lease_key = smb2_get_lease_key, | |
1617 | .set_lease_key = smb2_set_lease_key, | |
1618 | .new_lease_key = smb2_new_lease_key, | |
1619 | .calc_signature = smb2_calc_signature, | |
1620 | .is_read_op = smb21_is_read_op, | |
1621 | .set_oplock_level = smb21_set_oplock_level, | |
a41a28bd | 1622 | .create_lease_buf = smb2_create_lease_buf, |
b5c7cde3 | 1623 | .parse_lease_buf = smb2_parse_lease_buf, |
41c1358e | 1624 | .clone_range = smb2_clone_range, |
7f6c5008 | 1625 | .wp_retry_size = smb2_wp_retry_size, |
52755808 | 1626 | .dir_needs_close = smb2_dir_needs_close, |
53ef1016 | 1627 | }; |
38107d45 SF |
1628 | |
1629 | struct smb_version_operations smb30_operations = { | |
1630 | .compare_fids = smb2_compare_fids, | |
1631 | .setup_request = smb2_setup_request, | |
1632 | .setup_async_request = smb2_setup_async_request, | |
1633 | .check_receive = smb2_check_receive, | |
1634 | .add_credits = smb2_add_credits, | |
1635 | .set_credits = smb2_set_credits, | |
1636 | .get_credits_field = smb2_get_credits_field, | |
1637 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1638 | .wait_mtu_credits = smb2_wait_mtu_credits, |
38107d45 SF |
1639 | .get_next_mid = smb2_get_next_mid, |
1640 | .read_data_offset = smb2_read_data_offset, | |
1641 | .read_data_length = smb2_read_data_length, | |
1642 | .map_error = map_smb2_to_linux_error, | |
1643 | .find_mid = smb2_find_mid, | |
1644 | .check_message = smb2_check_message, | |
1645 | .dump_detail = smb2_dump_detail, | |
1646 | .clear_stats = smb2_clear_stats, | |
1647 | .print_stats = smb2_print_stats, | |
769ee6a4 | 1648 | .dump_share_caps = smb2_dump_share_caps, |
38107d45 | 1649 | .is_oplock_break = smb2_is_valid_oplock_break, |
c11f1df5 | 1650 | .downgrade_oplock = smb2_downgrade_oplock, |
38107d45 SF |
1651 | .need_neg = smb2_need_neg, |
1652 | .negotiate = smb2_negotiate, | |
1653 | .negotiate_wsize = smb2_negotiate_wsize, | |
1654 | .negotiate_rsize = smb2_negotiate_rsize, | |
1655 | .sess_setup = SMB2_sess_setup, | |
1656 | .logoff = SMB2_logoff, | |
1657 | .tree_connect = SMB2_tcon, | |
1658 | .tree_disconnect = SMB2_tdis, | |
af6a12ea | 1659 | .qfs_tcon = smb3_qfs_tcon, |
38107d45 SF |
1660 | .is_path_accessible = smb2_is_path_accessible, |
1661 | .can_echo = smb2_can_echo, | |
1662 | .echo = SMB2_echo, | |
1663 | .query_path_info = smb2_query_path_info, | |
1664 | .get_srv_inum = smb2_get_srv_inum, | |
1665 | .query_file_info = smb2_query_file_info, | |
1666 | .set_path_size = smb2_set_path_size, | |
1667 | .set_file_size = smb2_set_file_size, | |
1668 | .set_file_info = smb2_set_file_info, | |
64a5cfa6 | 1669 | .set_compression = smb2_set_compression, |
38107d45 SF |
1670 | .mkdir = smb2_mkdir, |
1671 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1672 | .rmdir = smb2_rmdir, | |
1673 | .unlink = smb2_unlink, | |
1674 | .rename = smb2_rename_path, | |
1675 | .create_hardlink = smb2_create_hardlink, | |
b42bf888 | 1676 | .query_symlink = smb2_query_symlink, |
c22870ea | 1677 | .query_mf_symlink = smb3_query_mf_symlink, |
5ab97578 | 1678 | .create_mf_symlink = smb3_create_mf_symlink, |
38107d45 SF |
1679 | .open = smb2_open_file, |
1680 | .set_fid = smb2_set_fid, | |
1681 | .close = smb2_close_file, | |
1682 | .flush = smb2_flush_file, | |
1683 | .async_readv = smb2_async_readv, | |
1684 | .async_writev = smb2_async_writev, | |
1685 | .sync_read = smb2_sync_read, | |
1686 | .sync_write = smb2_sync_write, | |
1687 | .query_dir_first = smb2_query_dir_first, | |
1688 | .query_dir_next = smb2_query_dir_next, | |
1689 | .close_dir = smb2_close_dir, | |
1690 | .calc_smb_size = smb2_calc_size, | |
1691 | .is_status_pending = smb2_is_status_pending, | |
1692 | .oplock_response = smb2_oplock_response, | |
1693 | .queryfs = smb2_queryfs, | |
1694 | .mand_lock = smb2_mand_lock, | |
1695 | .mand_unlock_range = smb2_unlock_range, | |
1696 | .push_mand_locks = smb2_push_mandatory_locks, | |
1697 | .get_lease_key = smb2_get_lease_key, | |
1698 | .set_lease_key = smb2_set_lease_key, | |
1699 | .new_lease_key = smb2_new_lease_key, | |
373512ec | 1700 | .generate_signingkey = generate_smb30signingkey, |
38107d45 | 1701 | .calc_signature = smb3_calc_signature, |
b3152e2c | 1702 | .set_integrity = smb3_set_integrity, |
53ef1016 | 1703 | .is_read_op = smb21_is_read_op, |
42873b0a | 1704 | .set_oplock_level = smb3_set_oplock_level, |
f047390a PS |
1705 | .create_lease_buf = smb3_create_lease_buf, |
1706 | .parse_lease_buf = smb3_parse_lease_buf, | |
41c1358e | 1707 | .clone_range = smb2_clone_range, |
ca9e7a1c | 1708 | .duplicate_extents = smb2_duplicate_extents, |
ff1c038a | 1709 | .validate_negotiate = smb3_validate_negotiate, |
7f6c5008 | 1710 | .wp_retry_size = smb2_wp_retry_size, |
52755808 | 1711 | .dir_needs_close = smb2_dir_needs_close, |
31742c5a | 1712 | .fallocate = smb3_fallocate, |
1080ef75 SF |
1713 | }; |
1714 | ||
aab1893d SF |
1715 | #ifdef CONFIG_CIFS_SMB311 |
1716 | struct smb_version_operations smb311_operations = { | |
1717 | .compare_fids = smb2_compare_fids, | |
1718 | .setup_request = smb2_setup_request, | |
1719 | .setup_async_request = smb2_setup_async_request, | |
1720 | .check_receive = smb2_check_receive, | |
1721 | .add_credits = smb2_add_credits, | |
1722 | .set_credits = smb2_set_credits, | |
1723 | .get_credits_field = smb2_get_credits_field, | |
1724 | .get_credits = smb2_get_credits, | |
1725 | .wait_mtu_credits = smb2_wait_mtu_credits, | |
1726 | .get_next_mid = smb2_get_next_mid, | |
1727 | .read_data_offset = smb2_read_data_offset, | |
1728 | .read_data_length = smb2_read_data_length, | |
1729 | .map_error = map_smb2_to_linux_error, | |
1730 | .find_mid = smb2_find_mid, | |
1731 | .check_message = smb2_check_message, | |
1732 | .dump_detail = smb2_dump_detail, | |
1733 | .clear_stats = smb2_clear_stats, | |
1734 | .print_stats = smb2_print_stats, | |
1735 | .dump_share_caps = smb2_dump_share_caps, | |
1736 | .is_oplock_break = smb2_is_valid_oplock_break, | |
1737 | .downgrade_oplock = smb2_downgrade_oplock, | |
1738 | .need_neg = smb2_need_neg, | |
1739 | .negotiate = smb2_negotiate, | |
1740 | .negotiate_wsize = smb2_negotiate_wsize, | |
1741 | .negotiate_rsize = smb2_negotiate_rsize, | |
1742 | .sess_setup = SMB2_sess_setup, | |
1743 | .logoff = SMB2_logoff, | |
1744 | .tree_connect = SMB2_tcon, | |
1745 | .tree_disconnect = SMB2_tdis, | |
1746 | .qfs_tcon = smb3_qfs_tcon, | |
1747 | .is_path_accessible = smb2_is_path_accessible, | |
1748 | .can_echo = smb2_can_echo, | |
1749 | .echo = SMB2_echo, | |
1750 | .query_path_info = smb2_query_path_info, | |
1751 | .get_srv_inum = smb2_get_srv_inum, | |
1752 | .query_file_info = smb2_query_file_info, | |
1753 | .set_path_size = smb2_set_path_size, | |
1754 | .set_file_size = smb2_set_file_size, | |
1755 | .set_file_info = smb2_set_file_info, | |
1756 | .set_compression = smb2_set_compression, | |
1757 | .mkdir = smb2_mkdir, | |
1758 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1759 | .rmdir = smb2_rmdir, | |
1760 | .unlink = smb2_unlink, | |
1761 | .rename = smb2_rename_path, | |
1762 | .create_hardlink = smb2_create_hardlink, | |
1763 | .query_symlink = smb2_query_symlink, | |
1764 | .query_mf_symlink = smb3_query_mf_symlink, | |
1765 | .create_mf_symlink = smb3_create_mf_symlink, | |
1766 | .open = smb2_open_file, | |
1767 | .set_fid = smb2_set_fid, | |
1768 | .close = smb2_close_file, | |
1769 | .flush = smb2_flush_file, | |
1770 | .async_readv = smb2_async_readv, | |
1771 | .async_writev = smb2_async_writev, | |
1772 | .sync_read = smb2_sync_read, | |
1773 | .sync_write = smb2_sync_write, | |
1774 | .query_dir_first = smb2_query_dir_first, | |
1775 | .query_dir_next = smb2_query_dir_next, | |
1776 | .close_dir = smb2_close_dir, | |
1777 | .calc_smb_size = smb2_calc_size, | |
1778 | .is_status_pending = smb2_is_status_pending, | |
1779 | .oplock_response = smb2_oplock_response, | |
1780 | .queryfs = smb2_queryfs, | |
1781 | .mand_lock = smb2_mand_lock, | |
1782 | .mand_unlock_range = smb2_unlock_range, | |
1783 | .push_mand_locks = smb2_push_mandatory_locks, | |
1784 | .get_lease_key = smb2_get_lease_key, | |
1785 | .set_lease_key = smb2_set_lease_key, | |
1786 | .new_lease_key = smb2_new_lease_key, | |
373512ec | 1787 | .generate_signingkey = generate_smb311signingkey, |
aab1893d | 1788 | .calc_signature = smb3_calc_signature, |
b3152e2c | 1789 | .set_integrity = smb3_set_integrity, |
aab1893d SF |
1790 | .is_read_op = smb21_is_read_op, |
1791 | .set_oplock_level = smb3_set_oplock_level, | |
1792 | .create_lease_buf = smb3_create_lease_buf, | |
1793 | .parse_lease_buf = smb3_parse_lease_buf, | |
1794 | .clone_range = smb2_clone_range, | |
02b16665 | 1795 | .duplicate_extents = smb2_duplicate_extents, |
aab1893d SF |
1796 | /* .validate_negotiate = smb3_validate_negotiate, */ /* not used in 3.11 */ |
1797 | .wp_retry_size = smb2_wp_retry_size, | |
1798 | .dir_needs_close = smb2_dir_needs_close, | |
1799 | .fallocate = smb3_fallocate, | |
1800 | }; | |
1801 | #endif /* CIFS_SMB311 */ | |
1802 | ||
dd446b16 SF |
1803 | struct smb_version_values smb20_values = { |
1804 | .version_string = SMB20_VERSION_STRING, | |
1805 | .protocol_id = SMB20_PROT_ID, | |
1806 | .req_capabilities = 0, /* MBZ */ | |
1807 | .large_lock_type = 0, | |
1808 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1809 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1810 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1811 | .header_size = sizeof(struct smb2_hdr), | |
1812 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1813 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1814 | .lock_cmd = SMB2_LOCK, | |
1815 | .cap_unix = 0, | |
1816 | .cap_nt_find = SMB2_NT_FIND, | |
1817 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1818 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1819 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
a41a28bd | 1820 | .create_lease_size = sizeof(struct create_lease), |
dd446b16 SF |
1821 | }; |
1822 | ||
1080ef75 SF |
1823 | struct smb_version_values smb21_values = { |
1824 | .version_string = SMB21_VERSION_STRING, | |
e4aa25e7 SF |
1825 | .protocol_id = SMB21_PROT_ID, |
1826 | .req_capabilities = 0, /* MBZ on negotiate req until SMB3 dialect */ | |
1827 | .large_lock_type = 0, | |
1828 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1829 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1830 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1831 | .header_size = sizeof(struct smb2_hdr), | |
1832 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1833 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1834 | .lock_cmd = SMB2_LOCK, | |
1835 | .cap_unix = 0, | |
1836 | .cap_nt_find = SMB2_NT_FIND, | |
1837 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1838 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1839 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
a41a28bd | 1840 | .create_lease_size = sizeof(struct create_lease), |
e4aa25e7 SF |
1841 | }; |
1842 | ||
1843 | struct smb_version_values smb30_values = { | |
1844 | .version_string = SMB30_VERSION_STRING, | |
1845 | .protocol_id = SMB30_PROT_ID, | |
373512ec | 1846 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU | SMB2_GLOBAL_CAP_PERSISTENT_HANDLES | SMB2_GLOBAL_CAP_ENCRYPTION, |
027e8eec PS |
1847 | .large_lock_type = 0, |
1848 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1849 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1850 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
093b2bda PS |
1851 | .header_size = sizeof(struct smb2_hdr), |
1852 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
09a4707e | 1853 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, |
2dc7e1c0 | 1854 | .lock_cmd = SMB2_LOCK, |
29e20f9c PS |
1855 | .cap_unix = 0, |
1856 | .cap_nt_find = SMB2_NT_FIND, | |
1857 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1858 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1859 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
f047390a | 1860 | .create_lease_size = sizeof(struct create_lease_v2), |
1080ef75 | 1861 | }; |
20b6d8b4 SF |
1862 | |
1863 | struct smb_version_values smb302_values = { | |
1864 | .version_string = SMB302_VERSION_STRING, | |
1865 | .protocol_id = SMB302_PROT_ID, | |
373512ec | 1866 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU | SMB2_GLOBAL_CAP_PERSISTENT_HANDLES | SMB2_GLOBAL_CAP_ENCRYPTION, |
20b6d8b4 SF |
1867 | .large_lock_type = 0, |
1868 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1869 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1870 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1871 | .header_size = sizeof(struct smb2_hdr), | |
1872 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1873 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1874 | .lock_cmd = SMB2_LOCK, | |
1875 | .cap_unix = 0, | |
1876 | .cap_nt_find = SMB2_NT_FIND, | |
1877 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1878 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1879 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
f047390a | 1880 | .create_lease_size = sizeof(struct create_lease_v2), |
20b6d8b4 | 1881 | }; |
5f7fbf73 SF |
1882 | |
1883 | #ifdef CONFIG_CIFS_SMB311 | |
1884 | struct smb_version_values smb311_values = { | |
1885 | .version_string = SMB311_VERSION_STRING, | |
1886 | .protocol_id = SMB311_PROT_ID, | |
b618f001 | 1887 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU | SMB2_GLOBAL_CAP_PERSISTENT_HANDLES, |
5f7fbf73 SF |
1888 | .large_lock_type = 0, |
1889 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1890 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1891 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1892 | .header_size = sizeof(struct smb2_hdr), | |
1893 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1894 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1895 | .lock_cmd = SMB2_LOCK, | |
1896 | .cap_unix = 0, | |
1897 | .cap_nt_find = SMB2_NT_FIND, | |
1898 | .cap_large_files = SMB2_LARGE_FILES, | |
1899 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1900 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
1901 | .create_lease_size = sizeof(struct create_lease_v2), | |
1902 | }; | |
1903 | #endif /* SMB311 */ |