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); | |
9ffc5412 SF |
268 | if (rc != 0) |
269 | cifs_dbg(VFS, "error %d on ioctl to get interface list\n", rc); | |
270 | else if (ret_data_len < sizeof(struct network_interface_info_ioctl_rsp)) { | |
271 | cifs_dbg(VFS, "server returned bad net interface info buf\n"); | |
272 | rc = -EINVAL; | |
273 | } else { | |
c481e9fe SF |
274 | /* Dump info on first interface */ |
275 | cifs_dbg(FYI, "Adapter Capability 0x%x\t", | |
276 | le32_to_cpu(out_buf->Capability)); | |
277 | cifs_dbg(FYI, "Link Speed %lld\n", | |
278 | le64_to_cpu(out_buf->LinkSpeed)); | |
9ffc5412 | 279 | } |
c481e9fe SF |
280 | |
281 | return rc; | |
282 | } | |
283 | #endif /* STATS2 */ | |
284 | ||
af6a12ea SF |
285 | static void |
286 | smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
287 | { | |
288 | int rc; | |
289 | __le16 srch_path = 0; /* Null - open root of share */ | |
290 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
291 | struct cifs_open_parms oparms; | |
292 | struct cifs_fid fid; | |
293 | ||
294 | oparms.tcon = tcon; | |
295 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
296 | oparms.disposition = FILE_OPEN; | |
297 | oparms.create_options = 0; | |
298 | oparms.fid = &fid; | |
299 | oparms.reconnect = false; | |
300 | ||
301 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
302 | if (rc) | |
303 | return; | |
304 | ||
c481e9fe SF |
305 | #ifdef CONFIG_CIFS_STATS2 |
306 | SMB3_request_interfaces(xid, tcon); | |
307 | #endif /* STATS2 */ | |
308 | ||
af6a12ea SF |
309 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
310 | FS_ATTRIBUTE_INFORMATION); | |
311 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
312 | FS_DEVICE_INFORMATION); | |
313 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
314 | FS_SECTOR_SIZE_INFORMATION); /* SMB3 specific */ | |
315 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
316 | return; | |
317 | } | |
318 | ||
34f62640 SF |
319 | static void |
320 | smb2_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon) | |
321 | { | |
322 | int rc; | |
323 | __le16 srch_path = 0; /* Null - open root of share */ | |
324 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
325 | struct cifs_open_parms oparms; | |
326 | struct cifs_fid fid; | |
327 | ||
328 | oparms.tcon = tcon; | |
329 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
330 | oparms.disposition = FILE_OPEN; | |
331 | oparms.create_options = 0; | |
332 | oparms.fid = &fid; | |
333 | oparms.reconnect = false; | |
334 | ||
335 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); | |
336 | if (rc) | |
337 | return; | |
338 | ||
2167114c SF |
339 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
340 | FS_ATTRIBUTE_INFORMATION); | |
341 | SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid, | |
342 | FS_DEVICE_INFORMATION); | |
34f62640 SF |
343 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); |
344 | return; | |
345 | } | |
346 | ||
2503a0db PS |
347 | static int |
348 | smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon, | |
349 | struct cifs_sb_info *cifs_sb, const char *full_path) | |
350 | { | |
351 | int rc; | |
2503a0db | 352 | __le16 *utf16_path; |
2e44b288 | 353 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; |
064f6047 PS |
354 | struct cifs_open_parms oparms; |
355 | struct cifs_fid fid; | |
2503a0db PS |
356 | |
357 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
358 | if (!utf16_path) | |
359 | return -ENOMEM; | |
360 | ||
064f6047 PS |
361 | oparms.tcon = tcon; |
362 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
363 | oparms.disposition = FILE_OPEN; | |
364 | oparms.create_options = 0; | |
365 | oparms.fid = &fid; | |
9cbc0b73 | 366 | oparms.reconnect = false; |
064f6047 | 367 | |
b42bf888 | 368 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); |
2503a0db PS |
369 | if (rc) { |
370 | kfree(utf16_path); | |
371 | return rc; | |
372 | } | |
373 | ||
064f6047 | 374 | rc = SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); |
2503a0db PS |
375 | kfree(utf16_path); |
376 | return rc; | |
377 | } | |
378 | ||
be4cb9e3 PS |
379 | static int |
380 | smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon, | |
381 | struct cifs_sb_info *cifs_sb, const char *full_path, | |
382 | u64 *uniqueid, FILE_ALL_INFO *data) | |
383 | { | |
384 | *uniqueid = le64_to_cpu(data->IndexNumber); | |
385 | return 0; | |
386 | } | |
387 | ||
b7546bc5 PS |
388 | static int |
389 | smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon, | |
390 | struct cifs_fid *fid, FILE_ALL_INFO *data) | |
391 | { | |
392 | int rc; | |
393 | struct smb2_file_all_info *smb2_data; | |
394 | ||
1bbe4997 | 395 | smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2, |
b7546bc5 PS |
396 | GFP_KERNEL); |
397 | if (smb2_data == NULL) | |
398 | return -ENOMEM; | |
399 | ||
400 | rc = SMB2_query_info(xid, tcon, fid->persistent_fid, fid->volatile_fid, | |
401 | smb2_data); | |
402 | if (!rc) | |
403 | move_smb2_info_to_cifs(data, smb2_data); | |
404 | kfree(smb2_data); | |
405 | return rc; | |
406 | } | |
407 | ||
9094fad1 PS |
408 | static bool |
409 | smb2_can_echo(struct TCP_Server_Info *server) | |
410 | { | |
411 | return server->echoes; | |
412 | } | |
413 | ||
d60622eb PS |
414 | static void |
415 | smb2_clear_stats(struct cifs_tcon *tcon) | |
416 | { | |
417 | #ifdef CONFIG_CIFS_STATS | |
418 | int i; | |
419 | for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) { | |
420 | atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0); | |
421 | atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0); | |
422 | } | |
423 | #endif | |
424 | } | |
425 | ||
769ee6a4 SF |
426 | static void |
427 | smb2_dump_share_caps(struct seq_file *m, struct cifs_tcon *tcon) | |
428 | { | |
429 | seq_puts(m, "\n\tShare Capabilities:"); | |
430 | if (tcon->capabilities & SMB2_SHARE_CAP_DFS) | |
431 | seq_puts(m, " DFS,"); | |
432 | if (tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY) | |
433 | seq_puts(m, " CONTINUOUS AVAILABILITY,"); | |
434 | if (tcon->capabilities & SMB2_SHARE_CAP_SCALEOUT) | |
435 | seq_puts(m, " SCALEOUT,"); | |
436 | if (tcon->capabilities & SMB2_SHARE_CAP_CLUSTER) | |
437 | seq_puts(m, " CLUSTER,"); | |
438 | if (tcon->capabilities & SMB2_SHARE_CAP_ASYMMETRIC) | |
439 | seq_puts(m, " ASYMMETRIC,"); | |
440 | if (tcon->capabilities == 0) | |
441 | seq_puts(m, " None"); | |
af6a12ea SF |
442 | if (tcon->ss_flags & SSINFO_FLAGS_ALIGNED_DEVICE) |
443 | seq_puts(m, " Aligned,"); | |
444 | if (tcon->ss_flags & SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE) | |
445 | seq_puts(m, " Partition Aligned,"); | |
446 | if (tcon->ss_flags & SSINFO_FLAGS_NO_SEEK_PENALTY) | |
447 | seq_puts(m, " SSD,"); | |
448 | if (tcon->ss_flags & SSINFO_FLAGS_TRIM_ENABLED) | |
449 | seq_puts(m, " TRIM-support,"); | |
450 | ||
769ee6a4 | 451 | seq_printf(m, "\tShare Flags: 0x%x", tcon->share_flags); |
af6a12ea SF |
452 | if (tcon->perf_sector_size) |
453 | seq_printf(m, "\tOptimal sector size: 0x%x", | |
454 | tcon->perf_sector_size); | |
769ee6a4 SF |
455 | } |
456 | ||
d60622eb PS |
457 | static void |
458 | smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon) | |
459 | { | |
460 | #ifdef CONFIG_CIFS_STATS | |
461 | atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent; | |
462 | atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed; | |
463 | seq_printf(m, "\nNegotiates: %d sent %d failed", | |
464 | atomic_read(&sent[SMB2_NEGOTIATE_HE]), | |
465 | atomic_read(&failed[SMB2_NEGOTIATE_HE])); | |
466 | seq_printf(m, "\nSessionSetups: %d sent %d failed", | |
467 | atomic_read(&sent[SMB2_SESSION_SETUP_HE]), | |
468 | atomic_read(&failed[SMB2_SESSION_SETUP_HE])); | |
d60622eb PS |
469 | seq_printf(m, "\nLogoffs: %d sent %d failed", |
470 | atomic_read(&sent[SMB2_LOGOFF_HE]), | |
471 | atomic_read(&failed[SMB2_LOGOFF_HE])); | |
472 | seq_printf(m, "\nTreeConnects: %d sent %d failed", | |
473 | atomic_read(&sent[SMB2_TREE_CONNECT_HE]), | |
474 | atomic_read(&failed[SMB2_TREE_CONNECT_HE])); | |
475 | seq_printf(m, "\nTreeDisconnects: %d sent %d failed", | |
476 | atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]), | |
477 | atomic_read(&failed[SMB2_TREE_DISCONNECT_HE])); | |
478 | seq_printf(m, "\nCreates: %d sent %d failed", | |
479 | atomic_read(&sent[SMB2_CREATE_HE]), | |
480 | atomic_read(&failed[SMB2_CREATE_HE])); | |
481 | seq_printf(m, "\nCloses: %d sent %d failed", | |
482 | atomic_read(&sent[SMB2_CLOSE_HE]), | |
483 | atomic_read(&failed[SMB2_CLOSE_HE])); | |
484 | seq_printf(m, "\nFlushes: %d sent %d failed", | |
485 | atomic_read(&sent[SMB2_FLUSH_HE]), | |
486 | atomic_read(&failed[SMB2_FLUSH_HE])); | |
487 | seq_printf(m, "\nReads: %d sent %d failed", | |
488 | atomic_read(&sent[SMB2_READ_HE]), | |
489 | atomic_read(&failed[SMB2_READ_HE])); | |
490 | seq_printf(m, "\nWrites: %d sent %d failed", | |
491 | atomic_read(&sent[SMB2_WRITE_HE]), | |
492 | atomic_read(&failed[SMB2_WRITE_HE])); | |
493 | seq_printf(m, "\nLocks: %d sent %d failed", | |
494 | atomic_read(&sent[SMB2_LOCK_HE]), | |
495 | atomic_read(&failed[SMB2_LOCK_HE])); | |
496 | seq_printf(m, "\nIOCTLs: %d sent %d failed", | |
497 | atomic_read(&sent[SMB2_IOCTL_HE]), | |
498 | atomic_read(&failed[SMB2_IOCTL_HE])); | |
499 | seq_printf(m, "\nCancels: %d sent %d failed", | |
500 | atomic_read(&sent[SMB2_CANCEL_HE]), | |
501 | atomic_read(&failed[SMB2_CANCEL_HE])); | |
502 | seq_printf(m, "\nEchos: %d sent %d failed", | |
503 | atomic_read(&sent[SMB2_ECHO_HE]), | |
504 | atomic_read(&failed[SMB2_ECHO_HE])); | |
505 | seq_printf(m, "\nQueryDirectories: %d sent %d failed", | |
506 | atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]), | |
507 | atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE])); | |
508 | seq_printf(m, "\nChangeNotifies: %d sent %d failed", | |
509 | atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]), | |
510 | atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE])); | |
511 | seq_printf(m, "\nQueryInfos: %d sent %d failed", | |
512 | atomic_read(&sent[SMB2_QUERY_INFO_HE]), | |
513 | atomic_read(&failed[SMB2_QUERY_INFO_HE])); | |
514 | seq_printf(m, "\nSetInfos: %d sent %d failed", | |
515 | atomic_read(&sent[SMB2_SET_INFO_HE]), | |
516 | atomic_read(&failed[SMB2_SET_INFO_HE])); | |
517 | seq_printf(m, "\nOplockBreaks: %d sent %d failed", | |
518 | atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]), | |
519 | atomic_read(&failed[SMB2_OPLOCK_BREAK_HE])); | |
520 | #endif | |
521 | } | |
522 | ||
f0df737e PS |
523 | static void |
524 | smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock) | |
525 | { | |
2e44b288 | 526 | struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode); |
53ef1016 PS |
527 | struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server; |
528 | ||
f0df737e PS |
529 | cfile->fid.persistent_fid = fid->persistent_fid; |
530 | cfile->fid.volatile_fid = fid->volatile_fid; | |
42873b0a PS |
531 | server->ops->set_oplock_level(cinode, oplock, fid->epoch, |
532 | &fid->purge_cache); | |
18cceb6a | 533 | cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode); |
f0df737e PS |
534 | } |
535 | ||
760ad0ca | 536 | static void |
f0df737e PS |
537 | smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon, |
538 | struct cifs_fid *fid) | |
539 | { | |
760ad0ca | 540 | SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); |
f0df737e PS |
541 | } |
542 | ||
41c1358e SF |
543 | static int |
544 | SMB2_request_res_key(const unsigned int xid, struct cifs_tcon *tcon, | |
545 | u64 persistent_fid, u64 volatile_fid, | |
546 | struct copychunk_ioctl *pcchunk) | |
547 | { | |
548 | int rc; | |
549 | unsigned int ret_data_len; | |
550 | struct resume_key_req *res_key; | |
551 | ||
552 | rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid, | |
553 | FSCTL_SRV_REQUEST_RESUME_KEY, true /* is_fsctl */, | |
554 | NULL, 0 /* no input */, | |
555 | (char **)&res_key, &ret_data_len); | |
556 | ||
557 | if (rc) { | |
558 | cifs_dbg(VFS, "refcpy ioctl error %d getting resume key\n", rc); | |
559 | goto req_res_key_exit; | |
560 | } | |
561 | if (ret_data_len < sizeof(struct resume_key_req)) { | |
562 | cifs_dbg(VFS, "Invalid refcopy resume key length\n"); | |
563 | rc = -EINVAL; | |
564 | goto req_res_key_exit; | |
565 | } | |
566 | memcpy(pcchunk->SourceKey, res_key->ResumeKey, COPY_CHUNK_RES_KEY_SIZE); | |
567 | ||
568 | req_res_key_exit: | |
569 | kfree(res_key); | |
570 | return rc; | |
571 | } | |
572 | ||
573 | static int | |
574 | smb2_clone_range(const unsigned int xid, | |
575 | struct cifsFileInfo *srcfile, | |
576 | struct cifsFileInfo *trgtfile, u64 src_off, | |
577 | u64 len, u64 dest_off) | |
578 | { | |
579 | int rc; | |
580 | unsigned int ret_data_len; | |
581 | struct copychunk_ioctl *pcchunk; | |
9bf0c9cd SF |
582 | struct copychunk_ioctl_rsp *retbuf = NULL; |
583 | struct cifs_tcon *tcon; | |
584 | int chunks_copied = 0; | |
585 | bool chunk_sizes_updated = false; | |
41c1358e SF |
586 | |
587 | pcchunk = kmalloc(sizeof(struct copychunk_ioctl), GFP_KERNEL); | |
588 | ||
589 | if (pcchunk == NULL) | |
590 | return -ENOMEM; | |
591 | ||
592 | cifs_dbg(FYI, "in smb2_clone_range - about to call request res key\n"); | |
593 | /* Request a key from the server to identify the source of the copy */ | |
594 | rc = SMB2_request_res_key(xid, tlink_tcon(srcfile->tlink), | |
595 | srcfile->fid.persistent_fid, | |
596 | srcfile->fid.volatile_fid, pcchunk); | |
597 | ||
598 | /* Note: request_res_key sets res_key null only if rc !=0 */ | |
599 | if (rc) | |
9bf0c9cd | 600 | goto cchunk_out; |
41c1358e SF |
601 | |
602 | /* For now array only one chunk long, will make more flexible later */ | |
603 | pcchunk->ChunkCount = __constant_cpu_to_le32(1); | |
604 | pcchunk->Reserved = 0; | |
41c1358e SF |
605 | pcchunk->Reserved2 = 0; |
606 | ||
9bf0c9cd | 607 | tcon = tlink_tcon(trgtfile->tlink); |
41c1358e | 608 | |
9bf0c9cd SF |
609 | while (len > 0) { |
610 | pcchunk->SourceOffset = cpu_to_le64(src_off); | |
611 | pcchunk->TargetOffset = cpu_to_le64(dest_off); | |
612 | pcchunk->Length = | |
613 | cpu_to_le32(min_t(u32, len, tcon->max_bytes_chunk)); | |
41c1358e | 614 | |
9bf0c9cd SF |
615 | /* Request server copy to target from src identified by key */ |
616 | rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid, | |
617 | trgtfile->fid.volatile_fid, FSCTL_SRV_COPYCHUNK_WRITE, | |
618 | true /* is_fsctl */, (char *)pcchunk, | |
619 | sizeof(struct copychunk_ioctl), (char **)&retbuf, | |
620 | &ret_data_len); | |
621 | if (rc == 0) { | |
622 | if (ret_data_len != | |
623 | sizeof(struct copychunk_ioctl_rsp)) { | |
624 | cifs_dbg(VFS, "invalid cchunk response size\n"); | |
625 | rc = -EIO; | |
626 | goto cchunk_out; | |
627 | } | |
628 | if (retbuf->TotalBytesWritten == 0) { | |
629 | cifs_dbg(FYI, "no bytes copied\n"); | |
630 | rc = -EIO; | |
631 | goto cchunk_out; | |
632 | } | |
633 | /* | |
634 | * Check if server claimed to write more than we asked | |
635 | */ | |
636 | if (le32_to_cpu(retbuf->TotalBytesWritten) > | |
637 | le32_to_cpu(pcchunk->Length)) { | |
638 | cifs_dbg(VFS, "invalid copy chunk response\n"); | |
639 | rc = -EIO; | |
640 | goto cchunk_out; | |
641 | } | |
642 | if (le32_to_cpu(retbuf->ChunksWritten) != 1) { | |
643 | cifs_dbg(VFS, "invalid num chunks written\n"); | |
644 | rc = -EIO; | |
645 | goto cchunk_out; | |
646 | } | |
647 | chunks_copied++; | |
648 | ||
649 | src_off += le32_to_cpu(retbuf->TotalBytesWritten); | |
650 | dest_off += le32_to_cpu(retbuf->TotalBytesWritten); | |
651 | len -= le32_to_cpu(retbuf->TotalBytesWritten); | |
652 | ||
653 | cifs_dbg(FYI, "Chunks %d PartialChunk %d Total %d\n", | |
654 | le32_to_cpu(retbuf->ChunksWritten), | |
655 | le32_to_cpu(retbuf->ChunkBytesWritten), | |
656 | le32_to_cpu(retbuf->TotalBytesWritten)); | |
657 | } else if (rc == -EINVAL) { | |
658 | if (ret_data_len != sizeof(struct copychunk_ioctl_rsp)) | |
659 | goto cchunk_out; | |
660 | ||
661 | cifs_dbg(FYI, "MaxChunks %d BytesChunk %d MaxCopy %d\n", | |
662 | le32_to_cpu(retbuf->ChunksWritten), | |
663 | le32_to_cpu(retbuf->ChunkBytesWritten), | |
664 | le32_to_cpu(retbuf->TotalBytesWritten)); | |
665 | ||
666 | /* | |
667 | * Check if this is the first request using these sizes, | |
668 | * (ie check if copy succeed once with original sizes | |
669 | * and check if the server gave us different sizes after | |
670 | * we already updated max sizes on previous request). | |
671 | * if not then why is the server returning an error now | |
672 | */ | |
673 | if ((chunks_copied != 0) || chunk_sizes_updated) | |
674 | goto cchunk_out; | |
675 | ||
676 | /* Check that server is not asking us to grow size */ | |
677 | if (le32_to_cpu(retbuf->ChunkBytesWritten) < | |
678 | tcon->max_bytes_chunk) | |
679 | tcon->max_bytes_chunk = | |
680 | le32_to_cpu(retbuf->ChunkBytesWritten); | |
681 | else | |
682 | goto cchunk_out; /* server gave us bogus size */ | |
683 | ||
684 | /* No need to change MaxChunks since already set to 1 */ | |
685 | chunk_sizes_updated = true; | |
686 | } | |
687 | } | |
41c1358e | 688 | |
9bf0c9cd | 689 | cchunk_out: |
41c1358e SF |
690 | kfree(pcchunk); |
691 | return rc; | |
692 | } | |
693 | ||
7a5cfb19 PS |
694 | static int |
695 | smb2_flush_file(const unsigned int xid, struct cifs_tcon *tcon, | |
696 | struct cifs_fid *fid) | |
697 | { | |
698 | return SMB2_flush(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
699 | } | |
700 | ||
09a4707e PS |
701 | static unsigned int |
702 | smb2_read_data_offset(char *buf) | |
703 | { | |
704 | struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; | |
705 | return rsp->DataOffset; | |
706 | } | |
707 | ||
708 | static unsigned int | |
709 | smb2_read_data_length(char *buf) | |
710 | { | |
711 | struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf; | |
712 | return le32_to_cpu(rsp->DataLength); | |
713 | } | |
714 | ||
d8e05039 PS |
715 | |
716 | static int | |
db8b631d | 717 | smb2_sync_read(const unsigned int xid, struct cifs_fid *pfid, |
d8e05039 PS |
718 | struct cifs_io_parms *parms, unsigned int *bytes_read, |
719 | char **buf, int *buf_type) | |
720 | { | |
db8b631d SF |
721 | parms->persistent_fid = pfid->persistent_fid; |
722 | parms->volatile_fid = pfid->volatile_fid; | |
d8e05039 PS |
723 | return SMB2_read(xid, parms, bytes_read, buf, buf_type); |
724 | } | |
725 | ||
009d3443 | 726 | static int |
db8b631d | 727 | smb2_sync_write(const unsigned int xid, struct cifs_fid *pfid, |
009d3443 PS |
728 | struct cifs_io_parms *parms, unsigned int *written, |
729 | struct kvec *iov, unsigned long nr_segs) | |
730 | { | |
731 | ||
db8b631d SF |
732 | parms->persistent_fid = pfid->persistent_fid; |
733 | parms->volatile_fid = pfid->volatile_fid; | |
009d3443 PS |
734 | return SMB2_write(xid, parms, written, iov, nr_segs); |
735 | } | |
736 | ||
d43cc793 SF |
737 | /* Set or clear the SPARSE_FILE attribute based on value passed in setsparse */ |
738 | static bool smb2_set_sparse(const unsigned int xid, struct cifs_tcon *tcon, | |
739 | struct cifsFileInfo *cfile, struct inode *inode, __u8 setsparse) | |
740 | { | |
741 | struct cifsInodeInfo *cifsi; | |
742 | int rc; | |
743 | ||
744 | cifsi = CIFS_I(inode); | |
745 | ||
746 | /* if file already sparse don't bother setting sparse again */ | |
747 | if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) && setsparse) | |
748 | return true; /* already sparse */ | |
749 | ||
750 | if (!(cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) && !setsparse) | |
751 | return true; /* already not sparse */ | |
752 | ||
753 | /* | |
754 | * Can't check for sparse support on share the usual way via the | |
755 | * FS attribute info (FILE_SUPPORTS_SPARSE_FILES) on the share | |
756 | * since Samba server doesn't set the flag on the share, yet | |
757 | * supports the set sparse FSCTL and returns sparse correctly | |
758 | * in the file attributes. If we fail setting sparse though we | |
759 | * mark that server does not support sparse files for this share | |
760 | * to avoid repeatedly sending the unsupported fsctl to server | |
761 | * if the file is repeatedly extended. | |
762 | */ | |
763 | if (tcon->broken_sparse_sup) | |
764 | return false; | |
765 | ||
766 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
767 | cfile->fid.volatile_fid, FSCTL_SET_SPARSE, | |
768 | true /* is_fctl */, &setsparse, 1, NULL, NULL); | |
769 | if (rc) { | |
770 | tcon->broken_sparse_sup = true; | |
771 | cifs_dbg(FYI, "set sparse rc = %d\n", rc); | |
772 | return false; | |
773 | } | |
774 | ||
775 | if (setsparse) | |
776 | cifsi->cifsAttrs |= FILE_ATTRIBUTE_SPARSE_FILE; | |
777 | else | |
778 | cifsi->cifsAttrs &= (~FILE_ATTRIBUTE_SPARSE_FILE); | |
779 | ||
780 | return true; | |
781 | } | |
782 | ||
c839ff24 PS |
783 | static int |
784 | smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon, | |
785 | struct cifsFileInfo *cfile, __u64 size, bool set_alloc) | |
786 | { | |
787 | __le64 eof = cpu_to_le64(size); | |
3d1a3745 SF |
788 | struct inode *inode; |
789 | ||
790 | /* | |
791 | * If extending file more than one page make sparse. Many Linux fs | |
792 | * make files sparse by default when extending via ftruncate | |
793 | */ | |
794 | inode = cfile->dentry->d_inode; | |
795 | ||
796 | if (!set_alloc && (size > inode->i_size + 8192)) { | |
3d1a3745 | 797 | __u8 set_sparse = 1; |
d43cc793 SF |
798 | |
799 | /* whether set sparse succeeds or not, extend the file */ | |
800 | smb2_set_sparse(xid, tcon, cfile, inode, set_sparse); | |
3d1a3745 SF |
801 | } |
802 | ||
c839ff24 | 803 | return SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid, |
f29ebb47 | 804 | cfile->fid.volatile_fid, cfile->pid, &eof, false); |
c839ff24 PS |
805 | } |
806 | ||
64a5cfa6 SF |
807 | static int |
808 | smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, | |
809 | struct cifsFileInfo *cfile) | |
810 | { | |
811 | return SMB2_set_compression(xid, tcon, cfile->fid.persistent_fid, | |
812 | cfile->fid.volatile_fid); | |
813 | } | |
814 | ||
d324f08d PS |
815 | static int |
816 | smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon, | |
817 | const char *path, struct cifs_sb_info *cifs_sb, | |
818 | struct cifs_fid *fid, __u16 search_flags, | |
819 | struct cifs_search_info *srch_inf) | |
820 | { | |
821 | __le16 *utf16_path; | |
822 | int rc; | |
2e44b288 | 823 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; |
064f6047 | 824 | struct cifs_open_parms oparms; |
d324f08d PS |
825 | |
826 | utf16_path = cifs_convert_path_to_utf16(path, cifs_sb); | |
827 | if (!utf16_path) | |
828 | return -ENOMEM; | |
829 | ||
064f6047 PS |
830 | oparms.tcon = tcon; |
831 | oparms.desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA; | |
832 | oparms.disposition = FILE_OPEN; | |
833 | oparms.create_options = 0; | |
834 | oparms.fid = fid; | |
9cbc0b73 | 835 | oparms.reconnect = false; |
064f6047 | 836 | |
b42bf888 | 837 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL); |
d324f08d PS |
838 | kfree(utf16_path); |
839 | if (rc) { | |
f96637be | 840 | cifs_dbg(VFS, "open dir failed\n"); |
d324f08d PS |
841 | return rc; |
842 | } | |
843 | ||
844 | srch_inf->entries_in_buffer = 0; | |
845 | srch_inf->index_of_last_entry = 0; | |
d324f08d | 846 | |
064f6047 PS |
847 | rc = SMB2_query_directory(xid, tcon, fid->persistent_fid, |
848 | fid->volatile_fid, 0, srch_inf); | |
d324f08d | 849 | if (rc) { |
f96637be | 850 | cifs_dbg(VFS, "query directory failed\n"); |
064f6047 | 851 | SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); |
d324f08d PS |
852 | } |
853 | return rc; | |
854 | } | |
855 | ||
856 | static int | |
857 | smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon, | |
858 | struct cifs_fid *fid, __u16 search_flags, | |
859 | struct cifs_search_info *srch_inf) | |
860 | { | |
861 | return SMB2_query_directory(xid, tcon, fid->persistent_fid, | |
862 | fid->volatile_fid, 0, srch_inf); | |
863 | } | |
864 | ||
865 | static int | |
866 | smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon, | |
867 | struct cifs_fid *fid) | |
868 | { | |
869 | return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid); | |
870 | } | |
871 | ||
2e44b288 PS |
872 | /* |
873 | * If we negotiate SMB2 protocol and get STATUS_PENDING - update | |
874 | * the number of credits and return true. Otherwise - return false. | |
875 | */ | |
876 | static bool | |
877 | smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length) | |
878 | { | |
879 | struct smb2_hdr *hdr = (struct smb2_hdr *)buf; | |
880 | ||
12e8a208 | 881 | if (hdr->Status != STATUS_PENDING) |
2e44b288 PS |
882 | return false; |
883 | ||
884 | if (!length) { | |
885 | spin_lock(&server->req_lock); | |
886 | server->credits += le16_to_cpu(hdr->CreditRequest); | |
887 | spin_unlock(&server->req_lock); | |
888 | wake_up(&server->request_q); | |
889 | } | |
890 | ||
891 | return true; | |
892 | } | |
893 | ||
983c88a4 PS |
894 | static int |
895 | smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid, | |
896 | struct cifsInodeInfo *cinode) | |
897 | { | |
0822f514 PS |
898 | if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING) |
899 | return SMB2_lease_break(0, tcon, cinode->lease_key, | |
900 | smb2_get_lease_state(cinode)); | |
901 | ||
983c88a4 PS |
902 | return SMB2_oplock_break(0, tcon, fid->persistent_fid, |
903 | fid->volatile_fid, | |
18cceb6a | 904 | CIFS_CACHE_READ(cinode) ? 1 : 0); |
983c88a4 PS |
905 | } |
906 | ||
6fc05c25 PS |
907 | static int |
908 | smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon, | |
909 | struct kstatfs *buf) | |
910 | { | |
911 | int rc; | |
6fc05c25 PS |
912 | __le16 srch_path = 0; /* Null - open root of share */ |
913 | u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
064f6047 PS |
914 | struct cifs_open_parms oparms; |
915 | struct cifs_fid fid; | |
916 | ||
917 | oparms.tcon = tcon; | |
918 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
919 | oparms.disposition = FILE_OPEN; | |
920 | oparms.create_options = 0; | |
921 | oparms.fid = &fid; | |
9cbc0b73 | 922 | oparms.reconnect = false; |
6fc05c25 | 923 | |
b42bf888 | 924 | rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL); |
6fc05c25 PS |
925 | if (rc) |
926 | return rc; | |
927 | buf->f_type = SMB2_MAGIC_NUMBER; | |
064f6047 PS |
928 | rc = SMB2_QFS_info(xid, tcon, fid.persistent_fid, fid.volatile_fid, |
929 | buf); | |
930 | SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid); | |
6fc05c25 PS |
931 | return rc; |
932 | } | |
933 | ||
027e8eec PS |
934 | static bool |
935 | smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2) | |
936 | { | |
937 | return ob1->fid.persistent_fid == ob2->fid.persistent_fid && | |
938 | ob1->fid.volatile_fid == ob2->fid.volatile_fid; | |
939 | } | |
940 | ||
f7ba7fe6 PS |
941 | static int |
942 | smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset, | |
943 | __u64 length, __u32 type, int lock, int unlock, bool wait) | |
944 | { | |
945 | if (unlock && !lock) | |
946 | type = SMB2_LOCKFLAG_UNLOCK; | |
947 | return SMB2_lock(xid, tlink_tcon(cfile->tlink), | |
948 | cfile->fid.persistent_fid, cfile->fid.volatile_fid, | |
949 | current->tgid, length, offset, type, wait); | |
950 | } | |
951 | ||
b8c32dbb PS |
952 | static void |
953 | smb2_get_lease_key(struct inode *inode, struct cifs_fid *fid) | |
954 | { | |
955 | memcpy(fid->lease_key, CIFS_I(inode)->lease_key, SMB2_LEASE_KEY_SIZE); | |
956 | } | |
957 | ||
958 | static void | |
959 | smb2_set_lease_key(struct inode *inode, struct cifs_fid *fid) | |
960 | { | |
961 | memcpy(CIFS_I(inode)->lease_key, fid->lease_key, SMB2_LEASE_KEY_SIZE); | |
962 | } | |
963 | ||
964 | static void | |
965 | smb2_new_lease_key(struct cifs_fid *fid) | |
966 | { | |
967 | get_random_bytes(fid->lease_key, SMB2_LEASE_KEY_SIZE); | |
968 | } | |
969 | ||
b42bf888 PS |
970 | static int |
971 | smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon, | |
972 | const char *full_path, char **target_path, | |
973 | struct cifs_sb_info *cifs_sb) | |
974 | { | |
975 | int rc; | |
976 | __le16 *utf16_path; | |
977 | __u8 oplock = SMB2_OPLOCK_LEVEL_NONE; | |
978 | struct cifs_open_parms oparms; | |
979 | struct cifs_fid fid; | |
980 | struct smb2_err_rsp *err_buf = NULL; | |
981 | struct smb2_symlink_err_rsp *symlink; | |
982 | unsigned int sub_len, sub_offset; | |
983 | ||
984 | cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path); | |
985 | ||
986 | utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb); | |
987 | if (!utf16_path) | |
988 | return -ENOMEM; | |
989 | ||
990 | oparms.tcon = tcon; | |
991 | oparms.desired_access = FILE_READ_ATTRIBUTES; | |
992 | oparms.disposition = FILE_OPEN; | |
993 | oparms.create_options = 0; | |
994 | oparms.fid = &fid; | |
995 | oparms.reconnect = false; | |
996 | ||
997 | rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, &err_buf); | |
998 | ||
999 | if (!rc || !err_buf) { | |
1000 | kfree(utf16_path); | |
1001 | return -ENOENT; | |
1002 | } | |
1003 | /* open must fail on symlink - reset rc */ | |
1004 | rc = 0; | |
1005 | symlink = (struct smb2_symlink_err_rsp *)err_buf->ErrorData; | |
1006 | sub_len = le16_to_cpu(symlink->SubstituteNameLength); | |
1007 | sub_offset = le16_to_cpu(symlink->SubstituteNameOffset); | |
1008 | *target_path = cifs_strndup_from_utf16( | |
1009 | (char *)symlink->PathBuffer + sub_offset, | |
1010 | sub_len, true, cifs_sb->local_nls); | |
1011 | if (!(*target_path)) { | |
1012 | kfree(utf16_path); | |
1013 | return -ENOMEM; | |
1014 | } | |
1015 | convert_delimiter(*target_path, '/'); | |
1016 | cifs_dbg(FYI, "%s: target path: %s\n", __func__, *target_path); | |
1017 | kfree(utf16_path); | |
1018 | return rc; | |
1019 | } | |
1020 | ||
30175628 SF |
1021 | static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon, |
1022 | loff_t offset, loff_t len, bool keep_size) | |
1023 | { | |
1024 | struct inode *inode; | |
1025 | struct cifsInodeInfo *cifsi; | |
1026 | struct cifsFileInfo *cfile = file->private_data; | |
1027 | struct file_zero_data_information fsctl_buf; | |
1028 | long rc; | |
1029 | unsigned int xid; | |
1030 | ||
1031 | xid = get_xid(); | |
1032 | ||
1033 | inode = cfile->dentry->d_inode; | |
1034 | cifsi = CIFS_I(inode); | |
1035 | ||
1036 | /* if file not oplocked can't be sure whether asking to extend size */ | |
1037 | if (!CIFS_CACHE_READ(cifsi)) | |
1038 | if (keep_size == false) | |
1039 | return -EOPNOTSUPP; | |
1040 | ||
2bb93d24 | 1041 | /* |
30175628 SF |
1042 | * Must check if file sparse since fallocate -z (zero range) assumes |
1043 | * non-sparse allocation | |
1044 | */ | |
1045 | if (!(cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE)) | |
1046 | return -EOPNOTSUPP; | |
1047 | ||
1048 | /* | |
1049 | * need to make sure we are not asked to extend the file since the SMB3 | |
1050 | * fsctl does not change the file size. In the future we could change | |
1051 | * this to zero the first part of the range then set the file size | |
1052 | * which for a non sparse file would zero the newly extended range | |
1053 | */ | |
1054 | if (keep_size == false) | |
1055 | if (i_size_read(inode) < offset + len) | |
1056 | return -EOPNOTSUPP; | |
1057 | ||
1058 | cifs_dbg(FYI, "offset %lld len %lld", offset, len); | |
1059 | ||
1060 | fsctl_buf.FileOffset = cpu_to_le64(offset); | |
1061 | fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len); | |
1062 | ||
1063 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
1064 | cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, | |
1065 | true /* is_fctl */, (char *)&fsctl_buf, | |
1066 | sizeof(struct file_zero_data_information), NULL, NULL); | |
1067 | free_xid(xid); | |
1068 | return rc; | |
1069 | } | |
1070 | ||
31742c5a SF |
1071 | static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon, |
1072 | loff_t offset, loff_t len) | |
1073 | { | |
1074 | struct inode *inode; | |
1075 | struct cifsInodeInfo *cifsi; | |
1076 | struct cifsFileInfo *cfile = file->private_data; | |
1077 | struct file_zero_data_information fsctl_buf; | |
1078 | long rc; | |
1079 | unsigned int xid; | |
1080 | __u8 set_sparse = 1; | |
1081 | ||
1082 | xid = get_xid(); | |
1083 | ||
1084 | inode = cfile->dentry->d_inode; | |
1085 | cifsi = CIFS_I(inode); | |
1086 | ||
1087 | /* Need to make file sparse, if not already, before freeing range. */ | |
1088 | /* Consider adding equivalent for compressed since it could also work */ | |
1089 | if (!smb2_set_sparse(xid, tcon, cfile, inode, set_sparse)) | |
1090 | return -EOPNOTSUPP; | |
1091 | ||
1092 | cifs_dbg(FYI, "offset %lld len %lld", offset, len); | |
1093 | ||
1094 | fsctl_buf.FileOffset = cpu_to_le64(offset); | |
1095 | fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len); | |
1096 | ||
1097 | rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid, | |
1098 | cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA, | |
1099 | true /* is_fctl */, (char *)&fsctl_buf, | |
1100 | sizeof(struct file_zero_data_information), NULL, NULL); | |
1101 | free_xid(xid); | |
1102 | return rc; | |
1103 | } | |
1104 | ||
1105 | static long smb3_fallocate(struct file *file, struct cifs_tcon *tcon, int mode, | |
1106 | loff_t off, loff_t len) | |
1107 | { | |
1108 | /* KEEP_SIZE already checked for by do_fallocate */ | |
1109 | if (mode & FALLOC_FL_PUNCH_HOLE) | |
1110 | return smb3_punch_hole(file, tcon, off, len); | |
30175628 SF |
1111 | else if (mode & FALLOC_FL_ZERO_RANGE) { |
1112 | if (mode & FALLOC_FL_KEEP_SIZE) | |
1113 | return smb3_zero_range(file, tcon, off, len, true); | |
1114 | return smb3_zero_range(file, tcon, off, len, false); | |
1115 | } | |
31742c5a SF |
1116 | |
1117 | return -EOPNOTSUPP; | |
1118 | } | |
1119 | ||
c11f1df5 SP |
1120 | static void |
1121 | smb2_downgrade_oplock(struct TCP_Server_Info *server, | |
1122 | struct cifsInodeInfo *cinode, bool set_level2) | |
1123 | { | |
1124 | if (set_level2) | |
1125 | server->ops->set_oplock_level(cinode, SMB2_OPLOCK_LEVEL_II, | |
1126 | 0, NULL); | |
1127 | else | |
1128 | server->ops->set_oplock_level(cinode, 0, 0, NULL); | |
1129 | } | |
1130 | ||
53ef1016 | 1131 | static void |
42873b0a PS |
1132 | smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, |
1133 | unsigned int epoch, bool *purge_cache) | |
53ef1016 PS |
1134 | { |
1135 | oplock &= 0xFF; | |
1136 | if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE) | |
1137 | return; | |
1138 | if (oplock == SMB2_OPLOCK_LEVEL_BATCH) { | |
42873b0a | 1139 | cinode->oplock = CIFS_CACHE_RHW_FLG; |
53ef1016 PS |
1140 | cifs_dbg(FYI, "Batch Oplock granted on inode %p\n", |
1141 | &cinode->vfs_inode); | |
1142 | } else if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) { | |
42873b0a | 1143 | cinode->oplock = CIFS_CACHE_RW_FLG; |
53ef1016 PS |
1144 | cifs_dbg(FYI, "Exclusive Oplock granted on inode %p\n", |
1145 | &cinode->vfs_inode); | |
1146 | } else if (oplock == SMB2_OPLOCK_LEVEL_II) { | |
1147 | cinode->oplock = CIFS_CACHE_READ_FLG; | |
1148 | cifs_dbg(FYI, "Level II Oplock granted on inode %p\n", | |
1149 | &cinode->vfs_inode); | |
1150 | } else | |
1151 | cinode->oplock = 0; | |
1152 | } | |
1153 | ||
1154 | static void | |
42873b0a PS |
1155 | smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, |
1156 | unsigned int epoch, bool *purge_cache) | |
53ef1016 PS |
1157 | { |
1158 | char message[5] = {0}; | |
1159 | ||
1160 | oplock &= 0xFF; | |
1161 | if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE) | |
1162 | return; | |
1163 | ||
1164 | cinode->oplock = 0; | |
1165 | if (oplock & SMB2_LEASE_READ_CACHING_HE) { | |
1166 | cinode->oplock |= CIFS_CACHE_READ_FLG; | |
1167 | strcat(message, "R"); | |
1168 | } | |
1169 | if (oplock & SMB2_LEASE_HANDLE_CACHING_HE) { | |
1170 | cinode->oplock |= CIFS_CACHE_HANDLE_FLG; | |
1171 | strcat(message, "H"); | |
1172 | } | |
1173 | if (oplock & SMB2_LEASE_WRITE_CACHING_HE) { | |
1174 | cinode->oplock |= CIFS_CACHE_WRITE_FLG; | |
1175 | strcat(message, "W"); | |
1176 | } | |
1177 | if (!cinode->oplock) | |
1178 | strcat(message, "None"); | |
1179 | cifs_dbg(FYI, "%s Lease granted on inode %p\n", message, | |
1180 | &cinode->vfs_inode); | |
1181 | } | |
1182 | ||
42873b0a PS |
1183 | static void |
1184 | smb3_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock, | |
1185 | unsigned int epoch, bool *purge_cache) | |
1186 | { | |
1187 | unsigned int old_oplock = cinode->oplock; | |
1188 | ||
1189 | smb21_set_oplock_level(cinode, oplock, epoch, purge_cache); | |
1190 | ||
1191 | if (purge_cache) { | |
1192 | *purge_cache = false; | |
1193 | if (old_oplock == CIFS_CACHE_READ_FLG) { | |
1194 | if (cinode->oplock == CIFS_CACHE_READ_FLG && | |
1195 | (epoch - cinode->epoch > 0)) | |
1196 | *purge_cache = true; | |
1197 | else if (cinode->oplock == CIFS_CACHE_RH_FLG && | |
1198 | (epoch - cinode->epoch > 1)) | |
1199 | *purge_cache = true; | |
1200 | else if (cinode->oplock == CIFS_CACHE_RHW_FLG && | |
1201 | (epoch - cinode->epoch > 1)) | |
1202 | *purge_cache = true; | |
1203 | else if (cinode->oplock == 0 && | |
1204 | (epoch - cinode->epoch > 0)) | |
1205 | *purge_cache = true; | |
1206 | } else if (old_oplock == CIFS_CACHE_RH_FLG) { | |
1207 | if (cinode->oplock == CIFS_CACHE_RH_FLG && | |
1208 | (epoch - cinode->epoch > 0)) | |
1209 | *purge_cache = true; | |
1210 | else if (cinode->oplock == CIFS_CACHE_RHW_FLG && | |
1211 | (epoch - cinode->epoch > 1)) | |
1212 | *purge_cache = true; | |
1213 | } | |
1214 | cinode->epoch = epoch; | |
1215 | } | |
1216 | } | |
1217 | ||
53ef1016 PS |
1218 | static bool |
1219 | smb2_is_read_op(__u32 oplock) | |
1220 | { | |
1221 | return oplock == SMB2_OPLOCK_LEVEL_II; | |
1222 | } | |
1223 | ||
1224 | static bool | |
1225 | smb21_is_read_op(__u32 oplock) | |
1226 | { | |
1227 | return (oplock & SMB2_LEASE_READ_CACHING_HE) && | |
1228 | !(oplock & SMB2_LEASE_WRITE_CACHING_HE); | |
1229 | } | |
1230 | ||
f047390a PS |
1231 | static __le32 |
1232 | map_oplock_to_lease(u8 oplock) | |
1233 | { | |
1234 | if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) | |
1235 | return SMB2_LEASE_WRITE_CACHING | SMB2_LEASE_READ_CACHING; | |
1236 | else if (oplock == SMB2_OPLOCK_LEVEL_II) | |
1237 | return SMB2_LEASE_READ_CACHING; | |
1238 | else if (oplock == SMB2_OPLOCK_LEVEL_BATCH) | |
1239 | return SMB2_LEASE_HANDLE_CACHING | SMB2_LEASE_READ_CACHING | | |
1240 | SMB2_LEASE_WRITE_CACHING; | |
1241 | return 0; | |
1242 | } | |
1243 | ||
a41a28bd PS |
1244 | static char * |
1245 | smb2_create_lease_buf(u8 *lease_key, u8 oplock) | |
1246 | { | |
1247 | struct create_lease *buf; | |
1248 | ||
1249 | buf = kzalloc(sizeof(struct create_lease), GFP_KERNEL); | |
1250 | if (!buf) | |
1251 | return NULL; | |
1252 | ||
1253 | buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); | |
1254 | buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); | |
f047390a | 1255 | buf->lcontext.LeaseState = map_oplock_to_lease(oplock); |
a41a28bd PS |
1256 | |
1257 | buf->ccontext.DataOffset = cpu_to_le16(offsetof | |
1258 | (struct create_lease, lcontext)); | |
1259 | buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context)); | |
1260 | buf->ccontext.NameOffset = cpu_to_le16(offsetof | |
1261 | (struct create_lease, Name)); | |
1262 | buf->ccontext.NameLength = cpu_to_le16(4); | |
12197a7f | 1263 | /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */ |
a41a28bd PS |
1264 | buf->Name[0] = 'R'; |
1265 | buf->Name[1] = 'q'; | |
1266 | buf->Name[2] = 'L'; | |
1267 | buf->Name[3] = 's'; | |
1268 | return (char *)buf; | |
1269 | } | |
1270 | ||
f047390a PS |
1271 | static char * |
1272 | smb3_create_lease_buf(u8 *lease_key, u8 oplock) | |
1273 | { | |
1274 | struct create_lease_v2 *buf; | |
1275 | ||
1276 | buf = kzalloc(sizeof(struct create_lease_v2), GFP_KERNEL); | |
1277 | if (!buf) | |
1278 | return NULL; | |
1279 | ||
1280 | buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key)); | |
1281 | buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8))); | |
1282 | buf->lcontext.LeaseState = map_oplock_to_lease(oplock); | |
1283 | ||
1284 | buf->ccontext.DataOffset = cpu_to_le16(offsetof | |
1285 | (struct create_lease_v2, lcontext)); | |
1286 | buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context_v2)); | |
1287 | buf->ccontext.NameOffset = cpu_to_le16(offsetof | |
1288 | (struct create_lease_v2, Name)); | |
1289 | buf->ccontext.NameLength = cpu_to_le16(4); | |
12197a7f | 1290 | /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */ |
f047390a PS |
1291 | buf->Name[0] = 'R'; |
1292 | buf->Name[1] = 'q'; | |
1293 | buf->Name[2] = 'L'; | |
1294 | buf->Name[3] = 's'; | |
1295 | return (char *)buf; | |
1296 | } | |
1297 | ||
b5c7cde3 | 1298 | static __u8 |
42873b0a | 1299 | smb2_parse_lease_buf(void *buf, unsigned int *epoch) |
b5c7cde3 PS |
1300 | { |
1301 | struct create_lease *lc = (struct create_lease *)buf; | |
1302 | ||
42873b0a | 1303 | *epoch = 0; /* not used */ |
b5c7cde3 PS |
1304 | if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS) |
1305 | return SMB2_OPLOCK_LEVEL_NOCHANGE; | |
1306 | return le32_to_cpu(lc->lcontext.LeaseState); | |
1307 | } | |
1308 | ||
f047390a | 1309 | static __u8 |
42873b0a | 1310 | smb3_parse_lease_buf(void *buf, unsigned int *epoch) |
f047390a PS |
1311 | { |
1312 | struct create_lease_v2 *lc = (struct create_lease_v2 *)buf; | |
1313 | ||
42873b0a | 1314 | *epoch = le16_to_cpu(lc->lcontext.Epoch); |
f047390a PS |
1315 | if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS) |
1316 | return SMB2_OPLOCK_LEVEL_NOCHANGE; | |
1317 | return le32_to_cpu(lc->lcontext.LeaseState); | |
1318 | } | |
1319 | ||
7f6c5008 PS |
1320 | static unsigned int |
1321 | smb2_wp_retry_size(struct inode *inode) | |
1322 | { | |
1323 | return min_t(unsigned int, CIFS_SB(inode->i_sb)->wsize, | |
1324 | SMB2_MAX_BUFFER_SIZE); | |
1325 | } | |
1326 | ||
52755808 PS |
1327 | static bool |
1328 | smb2_dir_needs_close(struct cifsFileInfo *cfile) | |
1329 | { | |
1330 | return !cfile->invalidHandle; | |
1331 | } | |
1332 | ||
53ef1016 | 1333 | struct smb_version_operations smb20_operations = { |
027e8eec | 1334 | .compare_fids = smb2_compare_fids, |
2dc7e1c0 | 1335 | .setup_request = smb2_setup_request, |
c95b8eed | 1336 | .setup_async_request = smb2_setup_async_request, |
2dc7e1c0 | 1337 | .check_receive = smb2_check_receive, |
28ea5290 PS |
1338 | .add_credits = smb2_add_credits, |
1339 | .set_credits = smb2_set_credits, | |
1340 | .get_credits_field = smb2_get_credits_field, | |
1341 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1342 | .wait_mtu_credits = cifs_wait_mtu_credits, |
2dc7e1c0 | 1343 | .get_next_mid = smb2_get_next_mid, |
09a4707e PS |
1344 | .read_data_offset = smb2_read_data_offset, |
1345 | .read_data_length = smb2_read_data_length, | |
1346 | .map_error = map_smb2_to_linux_error, | |
093b2bda PS |
1347 | .find_mid = smb2_find_mid, |
1348 | .check_message = smb2_check_message, | |
1349 | .dump_detail = smb2_dump_detail, | |
d60622eb PS |
1350 | .clear_stats = smb2_clear_stats, |
1351 | .print_stats = smb2_print_stats, | |
983c88a4 | 1352 | .is_oplock_break = smb2_is_valid_oplock_break, |
c11f1df5 | 1353 | .downgrade_oplock = smb2_downgrade_oplock, |
ec2e4523 PS |
1354 | .need_neg = smb2_need_neg, |
1355 | .negotiate = smb2_negotiate, | |
3a3bab50 PS |
1356 | .negotiate_wsize = smb2_negotiate_wsize, |
1357 | .negotiate_rsize = smb2_negotiate_rsize, | |
5478f9ba PS |
1358 | .sess_setup = SMB2_sess_setup, |
1359 | .logoff = SMB2_logoff, | |
faaf946a PS |
1360 | .tree_connect = SMB2_tcon, |
1361 | .tree_disconnect = SMB2_tdis, | |
34f62640 | 1362 | .qfs_tcon = smb2_qfs_tcon, |
2503a0db | 1363 | .is_path_accessible = smb2_is_path_accessible, |
9094fad1 PS |
1364 | .can_echo = smb2_can_echo, |
1365 | .echo = SMB2_echo, | |
be4cb9e3 PS |
1366 | .query_path_info = smb2_query_path_info, |
1367 | .get_srv_inum = smb2_get_srv_inum, | |
b7546bc5 | 1368 | .query_file_info = smb2_query_file_info, |
c839ff24 PS |
1369 | .set_path_size = smb2_set_path_size, |
1370 | .set_file_size = smb2_set_file_size, | |
1feeaac7 | 1371 | .set_file_info = smb2_set_file_info, |
64a5cfa6 | 1372 | .set_compression = smb2_set_compression, |
a0e73183 PS |
1373 | .mkdir = smb2_mkdir, |
1374 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1a500f01 | 1375 | .rmdir = smb2_rmdir, |
cbe6f439 | 1376 | .unlink = smb2_unlink, |
35143eb5 | 1377 | .rename = smb2_rename_path, |
568798cc | 1378 | .create_hardlink = smb2_create_hardlink, |
b42bf888 | 1379 | .query_symlink = smb2_query_symlink, |
f0df737e PS |
1380 | .open = smb2_open_file, |
1381 | .set_fid = smb2_set_fid, | |
1382 | .close = smb2_close_file, | |
7a5cfb19 | 1383 | .flush = smb2_flush_file, |
09a4707e | 1384 | .async_readv = smb2_async_readv, |
33319141 | 1385 | .async_writev = smb2_async_writev, |
d8e05039 | 1386 | .sync_read = smb2_sync_read, |
009d3443 | 1387 | .sync_write = smb2_sync_write, |
d324f08d PS |
1388 | .query_dir_first = smb2_query_dir_first, |
1389 | .query_dir_next = smb2_query_dir_next, | |
1390 | .close_dir = smb2_close_dir, | |
1391 | .calc_smb_size = smb2_calc_size, | |
2e44b288 | 1392 | .is_status_pending = smb2_is_status_pending, |
983c88a4 | 1393 | .oplock_response = smb2_oplock_response, |
6fc05c25 | 1394 | .queryfs = smb2_queryfs, |
f7ba7fe6 PS |
1395 | .mand_lock = smb2_mand_lock, |
1396 | .mand_unlock_range = smb2_unlock_range, | |
b140799a | 1397 | .push_mand_locks = smb2_push_mandatory_locks, |
b8c32dbb PS |
1398 | .get_lease_key = smb2_get_lease_key, |
1399 | .set_lease_key = smb2_set_lease_key, | |
1400 | .new_lease_key = smb2_new_lease_key, | |
38107d45 | 1401 | .calc_signature = smb2_calc_signature, |
53ef1016 PS |
1402 | .is_read_op = smb2_is_read_op, |
1403 | .set_oplock_level = smb2_set_oplock_level, | |
a41a28bd | 1404 | .create_lease_buf = smb2_create_lease_buf, |
b5c7cde3 | 1405 | .parse_lease_buf = smb2_parse_lease_buf, |
41c1358e | 1406 | .clone_range = smb2_clone_range, |
7f6c5008 | 1407 | .wp_retry_size = smb2_wp_retry_size, |
52755808 | 1408 | .dir_needs_close = smb2_dir_needs_close, |
38107d45 SF |
1409 | }; |
1410 | ||
53ef1016 PS |
1411 | struct smb_version_operations smb21_operations = { |
1412 | .compare_fids = smb2_compare_fids, | |
1413 | .setup_request = smb2_setup_request, | |
1414 | .setup_async_request = smb2_setup_async_request, | |
1415 | .check_receive = smb2_check_receive, | |
1416 | .add_credits = smb2_add_credits, | |
1417 | .set_credits = smb2_set_credits, | |
1418 | .get_credits_field = smb2_get_credits_field, | |
1419 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1420 | .wait_mtu_credits = smb2_wait_mtu_credits, |
53ef1016 PS |
1421 | .get_next_mid = smb2_get_next_mid, |
1422 | .read_data_offset = smb2_read_data_offset, | |
1423 | .read_data_length = smb2_read_data_length, | |
1424 | .map_error = map_smb2_to_linux_error, | |
1425 | .find_mid = smb2_find_mid, | |
1426 | .check_message = smb2_check_message, | |
1427 | .dump_detail = smb2_dump_detail, | |
1428 | .clear_stats = smb2_clear_stats, | |
1429 | .print_stats = smb2_print_stats, | |
1430 | .is_oplock_break = smb2_is_valid_oplock_break, | |
c11f1df5 | 1431 | .downgrade_oplock = smb2_downgrade_oplock, |
53ef1016 PS |
1432 | .need_neg = smb2_need_neg, |
1433 | .negotiate = smb2_negotiate, | |
1434 | .negotiate_wsize = smb2_negotiate_wsize, | |
1435 | .negotiate_rsize = smb2_negotiate_rsize, | |
1436 | .sess_setup = SMB2_sess_setup, | |
1437 | .logoff = SMB2_logoff, | |
1438 | .tree_connect = SMB2_tcon, | |
1439 | .tree_disconnect = SMB2_tdis, | |
34f62640 | 1440 | .qfs_tcon = smb2_qfs_tcon, |
53ef1016 PS |
1441 | .is_path_accessible = smb2_is_path_accessible, |
1442 | .can_echo = smb2_can_echo, | |
1443 | .echo = SMB2_echo, | |
1444 | .query_path_info = smb2_query_path_info, | |
1445 | .get_srv_inum = smb2_get_srv_inum, | |
1446 | .query_file_info = smb2_query_file_info, | |
1447 | .set_path_size = smb2_set_path_size, | |
1448 | .set_file_size = smb2_set_file_size, | |
1449 | .set_file_info = smb2_set_file_info, | |
64a5cfa6 | 1450 | .set_compression = smb2_set_compression, |
53ef1016 PS |
1451 | .mkdir = smb2_mkdir, |
1452 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1453 | .rmdir = smb2_rmdir, | |
1454 | .unlink = smb2_unlink, | |
1455 | .rename = smb2_rename_path, | |
1456 | .create_hardlink = smb2_create_hardlink, | |
1457 | .query_symlink = smb2_query_symlink, | |
c22870ea | 1458 | .query_mf_symlink = smb3_query_mf_symlink, |
5ab97578 | 1459 | .create_mf_symlink = smb3_create_mf_symlink, |
53ef1016 PS |
1460 | .open = smb2_open_file, |
1461 | .set_fid = smb2_set_fid, | |
1462 | .close = smb2_close_file, | |
1463 | .flush = smb2_flush_file, | |
1464 | .async_readv = smb2_async_readv, | |
1465 | .async_writev = smb2_async_writev, | |
1466 | .sync_read = smb2_sync_read, | |
1467 | .sync_write = smb2_sync_write, | |
1468 | .query_dir_first = smb2_query_dir_first, | |
1469 | .query_dir_next = smb2_query_dir_next, | |
1470 | .close_dir = smb2_close_dir, | |
1471 | .calc_smb_size = smb2_calc_size, | |
1472 | .is_status_pending = smb2_is_status_pending, | |
1473 | .oplock_response = smb2_oplock_response, | |
1474 | .queryfs = smb2_queryfs, | |
1475 | .mand_lock = smb2_mand_lock, | |
1476 | .mand_unlock_range = smb2_unlock_range, | |
1477 | .push_mand_locks = smb2_push_mandatory_locks, | |
1478 | .get_lease_key = smb2_get_lease_key, | |
1479 | .set_lease_key = smb2_set_lease_key, | |
1480 | .new_lease_key = smb2_new_lease_key, | |
1481 | .calc_signature = smb2_calc_signature, | |
1482 | .is_read_op = smb21_is_read_op, | |
1483 | .set_oplock_level = smb21_set_oplock_level, | |
a41a28bd | 1484 | .create_lease_buf = smb2_create_lease_buf, |
b5c7cde3 | 1485 | .parse_lease_buf = smb2_parse_lease_buf, |
41c1358e | 1486 | .clone_range = smb2_clone_range, |
7f6c5008 | 1487 | .wp_retry_size = smb2_wp_retry_size, |
52755808 | 1488 | .dir_needs_close = smb2_dir_needs_close, |
53ef1016 | 1489 | }; |
38107d45 SF |
1490 | |
1491 | struct smb_version_operations smb30_operations = { | |
1492 | .compare_fids = smb2_compare_fids, | |
1493 | .setup_request = smb2_setup_request, | |
1494 | .setup_async_request = smb2_setup_async_request, | |
1495 | .check_receive = smb2_check_receive, | |
1496 | .add_credits = smb2_add_credits, | |
1497 | .set_credits = smb2_set_credits, | |
1498 | .get_credits_field = smb2_get_credits_field, | |
1499 | .get_credits = smb2_get_credits, | |
cb7e9eab | 1500 | .wait_mtu_credits = smb2_wait_mtu_credits, |
38107d45 SF |
1501 | .get_next_mid = smb2_get_next_mid, |
1502 | .read_data_offset = smb2_read_data_offset, | |
1503 | .read_data_length = smb2_read_data_length, | |
1504 | .map_error = map_smb2_to_linux_error, | |
1505 | .find_mid = smb2_find_mid, | |
1506 | .check_message = smb2_check_message, | |
1507 | .dump_detail = smb2_dump_detail, | |
1508 | .clear_stats = smb2_clear_stats, | |
1509 | .print_stats = smb2_print_stats, | |
769ee6a4 | 1510 | .dump_share_caps = smb2_dump_share_caps, |
38107d45 | 1511 | .is_oplock_break = smb2_is_valid_oplock_break, |
c11f1df5 | 1512 | .downgrade_oplock = smb2_downgrade_oplock, |
38107d45 SF |
1513 | .need_neg = smb2_need_neg, |
1514 | .negotiate = smb2_negotiate, | |
1515 | .negotiate_wsize = smb2_negotiate_wsize, | |
1516 | .negotiate_rsize = smb2_negotiate_rsize, | |
1517 | .sess_setup = SMB2_sess_setup, | |
1518 | .logoff = SMB2_logoff, | |
1519 | .tree_connect = SMB2_tcon, | |
1520 | .tree_disconnect = SMB2_tdis, | |
af6a12ea | 1521 | .qfs_tcon = smb3_qfs_tcon, |
38107d45 SF |
1522 | .is_path_accessible = smb2_is_path_accessible, |
1523 | .can_echo = smb2_can_echo, | |
1524 | .echo = SMB2_echo, | |
1525 | .query_path_info = smb2_query_path_info, | |
1526 | .get_srv_inum = smb2_get_srv_inum, | |
1527 | .query_file_info = smb2_query_file_info, | |
1528 | .set_path_size = smb2_set_path_size, | |
1529 | .set_file_size = smb2_set_file_size, | |
1530 | .set_file_info = smb2_set_file_info, | |
64a5cfa6 | 1531 | .set_compression = smb2_set_compression, |
38107d45 SF |
1532 | .mkdir = smb2_mkdir, |
1533 | .mkdir_setinfo = smb2_mkdir_setinfo, | |
1534 | .rmdir = smb2_rmdir, | |
1535 | .unlink = smb2_unlink, | |
1536 | .rename = smb2_rename_path, | |
1537 | .create_hardlink = smb2_create_hardlink, | |
b42bf888 | 1538 | .query_symlink = smb2_query_symlink, |
c22870ea | 1539 | .query_mf_symlink = smb3_query_mf_symlink, |
5ab97578 | 1540 | .create_mf_symlink = smb3_create_mf_symlink, |
38107d45 SF |
1541 | .open = smb2_open_file, |
1542 | .set_fid = smb2_set_fid, | |
1543 | .close = smb2_close_file, | |
1544 | .flush = smb2_flush_file, | |
1545 | .async_readv = smb2_async_readv, | |
1546 | .async_writev = smb2_async_writev, | |
1547 | .sync_read = smb2_sync_read, | |
1548 | .sync_write = smb2_sync_write, | |
1549 | .query_dir_first = smb2_query_dir_first, | |
1550 | .query_dir_next = smb2_query_dir_next, | |
1551 | .close_dir = smb2_close_dir, | |
1552 | .calc_smb_size = smb2_calc_size, | |
1553 | .is_status_pending = smb2_is_status_pending, | |
1554 | .oplock_response = smb2_oplock_response, | |
1555 | .queryfs = smb2_queryfs, | |
1556 | .mand_lock = smb2_mand_lock, | |
1557 | .mand_unlock_range = smb2_unlock_range, | |
1558 | .push_mand_locks = smb2_push_mandatory_locks, | |
1559 | .get_lease_key = smb2_get_lease_key, | |
1560 | .set_lease_key = smb2_set_lease_key, | |
1561 | .new_lease_key = smb2_new_lease_key, | |
e65a5cb4 | 1562 | .generate_signingkey = generate_smb3signingkey, |
38107d45 | 1563 | .calc_signature = smb3_calc_signature, |
53ef1016 | 1564 | .is_read_op = smb21_is_read_op, |
42873b0a | 1565 | .set_oplock_level = smb3_set_oplock_level, |
f047390a PS |
1566 | .create_lease_buf = smb3_create_lease_buf, |
1567 | .parse_lease_buf = smb3_parse_lease_buf, | |
41c1358e | 1568 | .clone_range = smb2_clone_range, |
ff1c038a | 1569 | .validate_negotiate = smb3_validate_negotiate, |
7f6c5008 | 1570 | .wp_retry_size = smb2_wp_retry_size, |
52755808 | 1571 | .dir_needs_close = smb2_dir_needs_close, |
31742c5a | 1572 | .fallocate = smb3_fallocate, |
1080ef75 SF |
1573 | }; |
1574 | ||
dd446b16 SF |
1575 | struct smb_version_values smb20_values = { |
1576 | .version_string = SMB20_VERSION_STRING, | |
1577 | .protocol_id = SMB20_PROT_ID, | |
1578 | .req_capabilities = 0, /* MBZ */ | |
1579 | .large_lock_type = 0, | |
1580 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1581 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1582 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1583 | .header_size = sizeof(struct smb2_hdr), | |
1584 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1585 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1586 | .lock_cmd = SMB2_LOCK, | |
1587 | .cap_unix = 0, | |
1588 | .cap_nt_find = SMB2_NT_FIND, | |
1589 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1590 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1591 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
a41a28bd | 1592 | .create_lease_size = sizeof(struct create_lease), |
dd446b16 SF |
1593 | }; |
1594 | ||
1080ef75 SF |
1595 | struct smb_version_values smb21_values = { |
1596 | .version_string = SMB21_VERSION_STRING, | |
e4aa25e7 SF |
1597 | .protocol_id = SMB21_PROT_ID, |
1598 | .req_capabilities = 0, /* MBZ on negotiate req until SMB3 dialect */ | |
1599 | .large_lock_type = 0, | |
1600 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1601 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1602 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1603 | .header_size = sizeof(struct smb2_hdr), | |
1604 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1605 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1606 | .lock_cmd = SMB2_LOCK, | |
1607 | .cap_unix = 0, | |
1608 | .cap_nt_find = SMB2_NT_FIND, | |
1609 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1610 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1611 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
a41a28bd | 1612 | .create_lease_size = sizeof(struct create_lease), |
e4aa25e7 SF |
1613 | }; |
1614 | ||
1615 | struct smb_version_values smb30_values = { | |
1616 | .version_string = SMB30_VERSION_STRING, | |
1617 | .protocol_id = SMB30_PROT_ID, | |
1618 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, | |
027e8eec PS |
1619 | .large_lock_type = 0, |
1620 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1621 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1622 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
093b2bda PS |
1623 | .header_size = sizeof(struct smb2_hdr), |
1624 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
09a4707e | 1625 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, |
2dc7e1c0 | 1626 | .lock_cmd = SMB2_LOCK, |
29e20f9c PS |
1627 | .cap_unix = 0, |
1628 | .cap_nt_find = SMB2_NT_FIND, | |
1629 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1630 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1631 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
f047390a | 1632 | .create_lease_size = sizeof(struct create_lease_v2), |
1080ef75 | 1633 | }; |
20b6d8b4 SF |
1634 | |
1635 | struct smb_version_values smb302_values = { | |
1636 | .version_string = SMB302_VERSION_STRING, | |
1637 | .protocol_id = SMB302_PROT_ID, | |
1638 | .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU, | |
1639 | .large_lock_type = 0, | |
1640 | .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK, | |
1641 | .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK, | |
1642 | .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK, | |
1643 | .header_size = sizeof(struct smb2_hdr), | |
1644 | .max_header_size = MAX_SMB2_HDR_SIZE, | |
1645 | .read_rsp_size = sizeof(struct smb2_read_rsp) - 1, | |
1646 | .lock_cmd = SMB2_LOCK, | |
1647 | .cap_unix = 0, | |
1648 | .cap_nt_find = SMB2_NT_FIND, | |
1649 | .cap_large_files = SMB2_LARGE_FILES, | |
50285882 JL |
1650 | .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED, |
1651 | .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED, | |
f047390a | 1652 | .create_lease_size = sizeof(struct create_lease_v2), |
20b6d8b4 | 1653 | }; |