2 * SMB2 version specific operations
4 * Copyright (c) 2012, Jeff Layton <jlayton@redhat.com>
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.
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.
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
20 #include <linux/pagemap.h>
21 #include <linux/vfs.h>
24 #include "smb2proto.h"
25 #include "cifsproto.h"
26 #include "cifs_debug.h"
27 #include "cifs_unicode.h"
28 #include "smb2status.h"
32 change_conf(struct TCP_Server_Info *server)
34 server->credits += server->echo_credits + server->oplock_credits;
35 server->oplock_credits = server->echo_credits = 0;
36 switch (server->credits) {
40 server->echoes = false;
41 server->oplocks = false;
42 cifs_dbg(VFS, "disabling echoes and oplocks\n");
45 server->echoes = true;
46 server->oplocks = false;
47 server->echo_credits = 1;
48 cifs_dbg(FYI, "disabling oplocks\n");
51 server->echoes = true;
52 server->oplocks = true;
53 server->echo_credits = 1;
54 server->oplock_credits = 1;
56 server->credits -= server->echo_credits + server->oplock_credits;
61 smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add,
65 spin_lock(&server->req_lock);
66 val = server->ops->get_credits_field(server, optype);
69 if (server->in_flight == 0 && (optype & CIFS_OP_MASK) != CIFS_NEG_OP)
70 rc = change_conf(server);
72 * Sometimes server returns 0 credits on oplock break ack - we need to
73 * rebalance credits in this case.
75 else if (server->in_flight > 0 && server->oplock_credits == 0 &&
77 if (server->credits > 1) {
79 server->oplock_credits++;
82 spin_unlock(&server->req_lock);
83 wake_up(&server->request_q);
85 cifs_reconnect(server);
89 smb2_set_credits(struct TCP_Server_Info *server, const int val)
91 spin_lock(&server->req_lock);
92 server->credits = val;
93 spin_unlock(&server->req_lock);
97 smb2_get_credits_field(struct TCP_Server_Info *server, const int optype)
101 return &server->echo_credits;
103 return &server->oplock_credits;
105 return &server->credits;
110 smb2_get_credits(struct mid_q_entry *mid)
112 return le16_to_cpu(((struct smb2_hdr *)mid->resp_buf)->CreditRequest);
116 smb2_get_next_mid(struct TCP_Server_Info *server)
119 /* for SMB2 we need the current value */
120 spin_lock(&GlobalMid_Lock);
121 mid = server->CurrentMid++;
122 spin_unlock(&GlobalMid_Lock);
126 static struct mid_q_entry *
127 smb2_find_mid(struct TCP_Server_Info *server, char *buf)
129 struct mid_q_entry *mid;
130 struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
132 spin_lock(&GlobalMid_Lock);
133 list_for_each_entry(mid, &server->pending_mid_q, qhead) {
134 if ((mid->mid == hdr->MessageId) &&
135 (mid->mid_state == MID_REQUEST_SUBMITTED) &&
136 (mid->command == hdr->Command)) {
137 spin_unlock(&GlobalMid_Lock);
141 spin_unlock(&GlobalMid_Lock);
146 smb2_dump_detail(void *buf)
148 #ifdef CONFIG_CIFS_DEBUG2
149 struct smb2_hdr *smb = (struct smb2_hdr *)buf;
151 cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n",
152 smb->Command, smb->Status, smb->Flags, smb->MessageId,
154 cifs_dbg(VFS, "smb buf %p len %u\n", smb, smb2_calc_size(smb));
159 smb2_need_neg(struct TCP_Server_Info *server)
161 return server->max_read == 0;
165 smb2_negotiate(const unsigned int xid, struct cifs_ses *ses)
168 ses->server->CurrentMid = 0;
169 rc = SMB2_negotiate(xid, ses);
170 /* BB we probably don't need to retry with modern servers */
177 smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
179 struct TCP_Server_Info *server = tcon->ses->server;
182 /* start with specified wsize, or default */
183 wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE;
184 wsize = min_t(unsigned int, wsize, server->max_write);
186 * limit write size to 2 ** 16, because we don't support multicredit
189 wsize = min_t(unsigned int, wsize, 2 << 15);
195 smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
197 struct TCP_Server_Info *server = tcon->ses->server;
200 /* start with specified rsize, or default */
201 rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE;
202 rsize = min_t(unsigned int, rsize, server->max_read);
204 * limit write size to 2 ** 16, because we don't support multicredit
207 rsize = min_t(unsigned int, rsize, 2 << 15);
213 smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon,
214 struct cifs_sb_info *cifs_sb, const char *full_path)
218 __u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
219 struct cifs_open_parms oparms;
222 utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb);
227 oparms.desired_access = FILE_READ_ATTRIBUTES;
228 oparms.disposition = FILE_OPEN;
229 oparms.create_options = 0;
231 oparms.reconnect = false;
233 rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL);
239 rc = SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
245 smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon,
246 struct cifs_sb_info *cifs_sb, const char *full_path,
247 u64 *uniqueid, FILE_ALL_INFO *data)
249 *uniqueid = le64_to_cpu(data->IndexNumber);
254 smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon,
255 struct cifs_fid *fid, FILE_ALL_INFO *data)
258 struct smb2_file_all_info *smb2_data;
260 smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + MAX_NAME * 2,
262 if (smb2_data == NULL)
265 rc = SMB2_query_info(xid, tcon, fid->persistent_fid, fid->volatile_fid,
268 move_smb2_info_to_cifs(data, smb2_data);
274 smb2_can_echo(struct TCP_Server_Info *server)
276 return server->echoes;
280 smb2_clear_stats(struct cifs_tcon *tcon)
282 #ifdef CONFIG_CIFS_STATS
284 for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) {
285 atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0);
286 atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0);
292 smb2_dump_share_caps(struct seq_file *m, struct cifs_tcon *tcon)
294 seq_puts(m, "\n\tShare Capabilities:");
295 if (tcon->capabilities & SMB2_SHARE_CAP_DFS)
296 seq_puts(m, " DFS,");
297 if (tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY)
298 seq_puts(m, " CONTINUOUS AVAILABILITY,");
299 if (tcon->capabilities & SMB2_SHARE_CAP_SCALEOUT)
300 seq_puts(m, " SCALEOUT,");
301 if (tcon->capabilities & SMB2_SHARE_CAP_CLUSTER)
302 seq_puts(m, " CLUSTER,");
303 if (tcon->capabilities & SMB2_SHARE_CAP_ASYMMETRIC)
304 seq_puts(m, " ASYMMETRIC,");
305 if (tcon->capabilities == 0)
306 seq_puts(m, " None");
307 seq_printf(m, "\tShare Flags: 0x%x", tcon->share_flags);
311 smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
313 #ifdef CONFIG_CIFS_STATS
314 atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent;
315 atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed;
316 seq_printf(m, "\nNegotiates: %d sent %d failed",
317 atomic_read(&sent[SMB2_NEGOTIATE_HE]),
318 atomic_read(&failed[SMB2_NEGOTIATE_HE]));
319 seq_printf(m, "\nSessionSetups: %d sent %d failed",
320 atomic_read(&sent[SMB2_SESSION_SETUP_HE]),
321 atomic_read(&failed[SMB2_SESSION_SETUP_HE]));
322 seq_printf(m, "\nLogoffs: %d sent %d failed",
323 atomic_read(&sent[SMB2_LOGOFF_HE]),
324 atomic_read(&failed[SMB2_LOGOFF_HE]));
325 seq_printf(m, "\nTreeConnects: %d sent %d failed",
326 atomic_read(&sent[SMB2_TREE_CONNECT_HE]),
327 atomic_read(&failed[SMB2_TREE_CONNECT_HE]));
328 seq_printf(m, "\nTreeDisconnects: %d sent %d failed",
329 atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]),
330 atomic_read(&failed[SMB2_TREE_DISCONNECT_HE]));
331 seq_printf(m, "\nCreates: %d sent %d failed",
332 atomic_read(&sent[SMB2_CREATE_HE]),
333 atomic_read(&failed[SMB2_CREATE_HE]));
334 seq_printf(m, "\nCloses: %d sent %d failed",
335 atomic_read(&sent[SMB2_CLOSE_HE]),
336 atomic_read(&failed[SMB2_CLOSE_HE]));
337 seq_printf(m, "\nFlushes: %d sent %d failed",
338 atomic_read(&sent[SMB2_FLUSH_HE]),
339 atomic_read(&failed[SMB2_FLUSH_HE]));
340 seq_printf(m, "\nReads: %d sent %d failed",
341 atomic_read(&sent[SMB2_READ_HE]),
342 atomic_read(&failed[SMB2_READ_HE]));
343 seq_printf(m, "\nWrites: %d sent %d failed",
344 atomic_read(&sent[SMB2_WRITE_HE]),
345 atomic_read(&failed[SMB2_WRITE_HE]));
346 seq_printf(m, "\nLocks: %d sent %d failed",
347 atomic_read(&sent[SMB2_LOCK_HE]),
348 atomic_read(&failed[SMB2_LOCK_HE]));
349 seq_printf(m, "\nIOCTLs: %d sent %d failed",
350 atomic_read(&sent[SMB2_IOCTL_HE]),
351 atomic_read(&failed[SMB2_IOCTL_HE]));
352 seq_printf(m, "\nCancels: %d sent %d failed",
353 atomic_read(&sent[SMB2_CANCEL_HE]),
354 atomic_read(&failed[SMB2_CANCEL_HE]));
355 seq_printf(m, "\nEchos: %d sent %d failed",
356 atomic_read(&sent[SMB2_ECHO_HE]),
357 atomic_read(&failed[SMB2_ECHO_HE]));
358 seq_printf(m, "\nQueryDirectories: %d sent %d failed",
359 atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]),
360 atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE]));
361 seq_printf(m, "\nChangeNotifies: %d sent %d failed",
362 atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]),
363 atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE]));
364 seq_printf(m, "\nQueryInfos: %d sent %d failed",
365 atomic_read(&sent[SMB2_QUERY_INFO_HE]),
366 atomic_read(&failed[SMB2_QUERY_INFO_HE]));
367 seq_printf(m, "\nSetInfos: %d sent %d failed",
368 atomic_read(&sent[SMB2_SET_INFO_HE]),
369 atomic_read(&failed[SMB2_SET_INFO_HE]));
370 seq_printf(m, "\nOplockBreaks: %d sent %d failed",
371 atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]),
372 atomic_read(&failed[SMB2_OPLOCK_BREAK_HE]));
377 smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock)
379 struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode);
380 struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server;
382 cfile->fid.persistent_fid = fid->persistent_fid;
383 cfile->fid.volatile_fid = fid->volatile_fid;
384 server->ops->set_oplock_level(cinode, oplock);
385 cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode);
389 smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon,
390 struct cifs_fid *fid)
392 SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
396 smb2_flush_file(const unsigned int xid, struct cifs_tcon *tcon,
397 struct cifs_fid *fid)
399 return SMB2_flush(xid, tcon, fid->persistent_fid, fid->volatile_fid);
403 smb2_read_data_offset(char *buf)
405 struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf;
406 return rsp->DataOffset;
410 smb2_read_data_length(char *buf)
412 struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf;
413 return le32_to_cpu(rsp->DataLength);
418 smb2_sync_read(const unsigned int xid, struct cifsFileInfo *cfile,
419 struct cifs_io_parms *parms, unsigned int *bytes_read,
420 char **buf, int *buf_type)
422 parms->persistent_fid = cfile->fid.persistent_fid;
423 parms->volatile_fid = cfile->fid.volatile_fid;
424 return SMB2_read(xid, parms, bytes_read, buf, buf_type);
428 smb2_sync_write(const unsigned int xid, struct cifsFileInfo *cfile,
429 struct cifs_io_parms *parms, unsigned int *written,
430 struct kvec *iov, unsigned long nr_segs)
433 parms->persistent_fid = cfile->fid.persistent_fid;
434 parms->volatile_fid = cfile->fid.volatile_fid;
435 return SMB2_write(xid, parms, written, iov, nr_segs);
439 smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon,
440 struct cifsFileInfo *cfile, __u64 size, bool set_alloc)
442 __le64 eof = cpu_to_le64(size);
443 return SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid,
444 cfile->fid.volatile_fid, cfile->pid, &eof);
448 smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
449 const char *path, struct cifs_sb_info *cifs_sb,
450 struct cifs_fid *fid, __u16 search_flags,
451 struct cifs_search_info *srch_inf)
455 __u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
456 struct cifs_open_parms oparms;
458 utf16_path = cifs_convert_path_to_utf16(path, cifs_sb);
463 oparms.desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA;
464 oparms.disposition = FILE_OPEN;
465 oparms.create_options = 0;
467 oparms.reconnect = false;
469 rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL);
472 cifs_dbg(VFS, "open dir failed\n");
476 srch_inf->entries_in_buffer = 0;
477 srch_inf->index_of_last_entry = 0;
479 rc = SMB2_query_directory(xid, tcon, fid->persistent_fid,
480 fid->volatile_fid, 0, srch_inf);
482 cifs_dbg(VFS, "query directory failed\n");
483 SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
489 smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon,
490 struct cifs_fid *fid, __u16 search_flags,
491 struct cifs_search_info *srch_inf)
493 return SMB2_query_directory(xid, tcon, fid->persistent_fid,
494 fid->volatile_fid, 0, srch_inf);
498 smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon,
499 struct cifs_fid *fid)
501 return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
505 * If we negotiate SMB2 protocol and get STATUS_PENDING - update
506 * the number of credits and return true. Otherwise - return false.
509 smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length)
511 struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
513 if (hdr->Status != STATUS_PENDING)
517 spin_lock(&server->req_lock);
518 server->credits += le16_to_cpu(hdr->CreditRequest);
519 spin_unlock(&server->req_lock);
520 wake_up(&server->request_q);
527 smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid,
528 struct cifsInodeInfo *cinode)
530 if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING)
531 return SMB2_lease_break(0, tcon, cinode->lease_key,
532 smb2_get_lease_state(cinode));
534 return SMB2_oplock_break(0, tcon, fid->persistent_fid,
536 CIFS_CACHE_READ(cinode) ? 1 : 0);
540 smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon,
544 __le16 srch_path = 0; /* Null - open root of share */
545 u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
546 struct cifs_open_parms oparms;
550 oparms.desired_access = FILE_READ_ATTRIBUTES;
551 oparms.disposition = FILE_OPEN;
552 oparms.create_options = 0;
554 oparms.reconnect = false;
556 rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL);
559 buf->f_type = SMB2_MAGIC_NUMBER;
560 rc = SMB2_QFS_info(xid, tcon, fid.persistent_fid, fid.volatile_fid,
562 SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
567 smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2)
569 return ob1->fid.persistent_fid == ob2->fid.persistent_fid &&
570 ob1->fid.volatile_fid == ob2->fid.volatile_fid;
574 smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset,
575 __u64 length, __u32 type, int lock, int unlock, bool wait)
578 type = SMB2_LOCKFLAG_UNLOCK;
579 return SMB2_lock(xid, tlink_tcon(cfile->tlink),
580 cfile->fid.persistent_fid, cfile->fid.volatile_fid,
581 current->tgid, length, offset, type, wait);
585 smb2_get_lease_key(struct inode *inode, struct cifs_fid *fid)
587 memcpy(fid->lease_key, CIFS_I(inode)->lease_key, SMB2_LEASE_KEY_SIZE);
591 smb2_set_lease_key(struct inode *inode, struct cifs_fid *fid)
593 memcpy(CIFS_I(inode)->lease_key, fid->lease_key, SMB2_LEASE_KEY_SIZE);
597 smb2_new_lease_key(struct cifs_fid *fid)
599 get_random_bytes(fid->lease_key, SMB2_LEASE_KEY_SIZE);
603 smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
604 const char *full_path, char **target_path,
605 struct cifs_sb_info *cifs_sb)
609 __u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
610 struct cifs_open_parms oparms;
612 struct smb2_err_rsp *err_buf = NULL;
613 struct smb2_symlink_err_rsp *symlink;
614 unsigned int sub_len, sub_offset;
616 cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path);
618 utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb);
623 oparms.desired_access = FILE_READ_ATTRIBUTES;
624 oparms.disposition = FILE_OPEN;
625 oparms.create_options = 0;
627 oparms.reconnect = false;
629 rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, &err_buf);
631 if (!rc || !err_buf) {
635 /* open must fail on symlink - reset rc */
637 symlink = (struct smb2_symlink_err_rsp *)err_buf->ErrorData;
638 sub_len = le16_to_cpu(symlink->SubstituteNameLength);
639 sub_offset = le16_to_cpu(symlink->SubstituteNameOffset);
640 *target_path = cifs_strndup_from_utf16(
641 (char *)symlink->PathBuffer + sub_offset,
642 sub_len, true, cifs_sb->local_nls);
643 if (!(*target_path)) {
647 convert_delimiter(*target_path, '/');
648 cifs_dbg(FYI, "%s: target path: %s\n", __func__, *target_path);
654 smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock)
657 if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE)
659 if (oplock == SMB2_OPLOCK_LEVEL_BATCH) {
660 cinode->oplock = CIFS_CACHE_READ_FLG | CIFS_CACHE_WRITE_FLG |
661 CIFS_CACHE_HANDLE_FLG;
662 cifs_dbg(FYI, "Batch Oplock granted on inode %p\n",
664 } else if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) {
665 cinode->oplock = CIFS_CACHE_READ_FLG | CIFS_CACHE_WRITE_FLG;
666 cifs_dbg(FYI, "Exclusive Oplock granted on inode %p\n",
668 } else if (oplock == SMB2_OPLOCK_LEVEL_II) {
669 cinode->oplock = CIFS_CACHE_READ_FLG;
670 cifs_dbg(FYI, "Level II Oplock granted on inode %p\n",
677 smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock)
679 char message[5] = {0};
682 if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE)
686 if (oplock & SMB2_LEASE_READ_CACHING_HE) {
687 cinode->oplock |= CIFS_CACHE_READ_FLG;
688 strcat(message, "R");
690 if (oplock & SMB2_LEASE_HANDLE_CACHING_HE) {
691 cinode->oplock |= CIFS_CACHE_HANDLE_FLG;
692 strcat(message, "H");
694 if (oplock & SMB2_LEASE_WRITE_CACHING_HE) {
695 cinode->oplock |= CIFS_CACHE_WRITE_FLG;
696 strcat(message, "W");
699 strcat(message, "None");
700 cifs_dbg(FYI, "%s Lease granted on inode %p\n", message,
705 smb2_is_read_op(__u32 oplock)
707 return oplock == SMB2_OPLOCK_LEVEL_II;
711 smb21_is_read_op(__u32 oplock)
713 return (oplock & SMB2_LEASE_READ_CACHING_HE) &&
714 !(oplock & SMB2_LEASE_WRITE_CACHING_HE);
717 struct smb_version_operations smb20_operations = {
718 .compare_fids = smb2_compare_fids,
719 .setup_request = smb2_setup_request,
720 .setup_async_request = smb2_setup_async_request,
721 .check_receive = smb2_check_receive,
722 .add_credits = smb2_add_credits,
723 .set_credits = smb2_set_credits,
724 .get_credits_field = smb2_get_credits_field,
725 .get_credits = smb2_get_credits,
726 .get_next_mid = smb2_get_next_mid,
727 .read_data_offset = smb2_read_data_offset,
728 .read_data_length = smb2_read_data_length,
729 .map_error = map_smb2_to_linux_error,
730 .find_mid = smb2_find_mid,
731 .check_message = smb2_check_message,
732 .dump_detail = smb2_dump_detail,
733 .clear_stats = smb2_clear_stats,
734 .print_stats = smb2_print_stats,
735 .is_oplock_break = smb2_is_valid_oplock_break,
736 .need_neg = smb2_need_neg,
737 .negotiate = smb2_negotiate,
738 .negotiate_wsize = smb2_negotiate_wsize,
739 .negotiate_rsize = smb2_negotiate_rsize,
740 .sess_setup = SMB2_sess_setup,
741 .logoff = SMB2_logoff,
742 .tree_connect = SMB2_tcon,
743 .tree_disconnect = SMB2_tdis,
744 .is_path_accessible = smb2_is_path_accessible,
745 .can_echo = smb2_can_echo,
747 .query_path_info = smb2_query_path_info,
748 .get_srv_inum = smb2_get_srv_inum,
749 .query_file_info = smb2_query_file_info,
750 .set_path_size = smb2_set_path_size,
751 .set_file_size = smb2_set_file_size,
752 .set_file_info = smb2_set_file_info,
754 .mkdir_setinfo = smb2_mkdir_setinfo,
756 .unlink = smb2_unlink,
757 .rename = smb2_rename_path,
758 .create_hardlink = smb2_create_hardlink,
759 .query_symlink = smb2_query_symlink,
760 .open = smb2_open_file,
761 .set_fid = smb2_set_fid,
762 .close = smb2_close_file,
763 .flush = smb2_flush_file,
764 .async_readv = smb2_async_readv,
765 .async_writev = smb2_async_writev,
766 .sync_read = smb2_sync_read,
767 .sync_write = smb2_sync_write,
768 .query_dir_first = smb2_query_dir_first,
769 .query_dir_next = smb2_query_dir_next,
770 .close_dir = smb2_close_dir,
771 .calc_smb_size = smb2_calc_size,
772 .is_status_pending = smb2_is_status_pending,
773 .oplock_response = smb2_oplock_response,
774 .queryfs = smb2_queryfs,
775 .mand_lock = smb2_mand_lock,
776 .mand_unlock_range = smb2_unlock_range,
777 .push_mand_locks = smb2_push_mandatory_locks,
778 .get_lease_key = smb2_get_lease_key,
779 .set_lease_key = smb2_set_lease_key,
780 .new_lease_key = smb2_new_lease_key,
781 .calc_signature = smb2_calc_signature,
782 .is_read_op = smb2_is_read_op,
783 .set_oplock_level = smb2_set_oplock_level,
786 struct smb_version_operations smb21_operations = {
787 .compare_fids = smb2_compare_fids,
788 .setup_request = smb2_setup_request,
789 .setup_async_request = smb2_setup_async_request,
790 .check_receive = smb2_check_receive,
791 .add_credits = smb2_add_credits,
792 .set_credits = smb2_set_credits,
793 .get_credits_field = smb2_get_credits_field,
794 .get_credits = smb2_get_credits,
795 .get_next_mid = smb2_get_next_mid,
796 .read_data_offset = smb2_read_data_offset,
797 .read_data_length = smb2_read_data_length,
798 .map_error = map_smb2_to_linux_error,
799 .find_mid = smb2_find_mid,
800 .check_message = smb2_check_message,
801 .dump_detail = smb2_dump_detail,
802 .clear_stats = smb2_clear_stats,
803 .print_stats = smb2_print_stats,
804 .is_oplock_break = smb2_is_valid_oplock_break,
805 .need_neg = smb2_need_neg,
806 .negotiate = smb2_negotiate,
807 .negotiate_wsize = smb2_negotiate_wsize,
808 .negotiate_rsize = smb2_negotiate_rsize,
809 .sess_setup = SMB2_sess_setup,
810 .logoff = SMB2_logoff,
811 .tree_connect = SMB2_tcon,
812 .tree_disconnect = SMB2_tdis,
813 .is_path_accessible = smb2_is_path_accessible,
814 .can_echo = smb2_can_echo,
816 .query_path_info = smb2_query_path_info,
817 .get_srv_inum = smb2_get_srv_inum,
818 .query_file_info = smb2_query_file_info,
819 .set_path_size = smb2_set_path_size,
820 .set_file_size = smb2_set_file_size,
821 .set_file_info = smb2_set_file_info,
823 .mkdir_setinfo = smb2_mkdir_setinfo,
825 .unlink = smb2_unlink,
826 .rename = smb2_rename_path,
827 .create_hardlink = smb2_create_hardlink,
828 .query_symlink = smb2_query_symlink,
829 .open = smb2_open_file,
830 .set_fid = smb2_set_fid,
831 .close = smb2_close_file,
832 .flush = smb2_flush_file,
833 .async_readv = smb2_async_readv,
834 .async_writev = smb2_async_writev,
835 .sync_read = smb2_sync_read,
836 .sync_write = smb2_sync_write,
837 .query_dir_first = smb2_query_dir_first,
838 .query_dir_next = smb2_query_dir_next,
839 .close_dir = smb2_close_dir,
840 .calc_smb_size = smb2_calc_size,
841 .is_status_pending = smb2_is_status_pending,
842 .oplock_response = smb2_oplock_response,
843 .queryfs = smb2_queryfs,
844 .mand_lock = smb2_mand_lock,
845 .mand_unlock_range = smb2_unlock_range,
846 .push_mand_locks = smb2_push_mandatory_locks,
847 .get_lease_key = smb2_get_lease_key,
848 .set_lease_key = smb2_set_lease_key,
849 .new_lease_key = smb2_new_lease_key,
850 .calc_signature = smb2_calc_signature,
851 .is_read_op = smb21_is_read_op,
852 .set_oplock_level = smb21_set_oplock_level,
855 struct smb_version_operations smb30_operations = {
856 .compare_fids = smb2_compare_fids,
857 .setup_request = smb2_setup_request,
858 .setup_async_request = smb2_setup_async_request,
859 .check_receive = smb2_check_receive,
860 .add_credits = smb2_add_credits,
861 .set_credits = smb2_set_credits,
862 .get_credits_field = smb2_get_credits_field,
863 .get_credits = smb2_get_credits,
864 .get_next_mid = smb2_get_next_mid,
865 .read_data_offset = smb2_read_data_offset,
866 .read_data_length = smb2_read_data_length,
867 .map_error = map_smb2_to_linux_error,
868 .find_mid = smb2_find_mid,
869 .check_message = smb2_check_message,
870 .dump_detail = smb2_dump_detail,
871 .clear_stats = smb2_clear_stats,
872 .print_stats = smb2_print_stats,
873 .dump_share_caps = smb2_dump_share_caps,
874 .is_oplock_break = smb2_is_valid_oplock_break,
875 .need_neg = smb2_need_neg,
876 .negotiate = smb2_negotiate,
877 .negotiate_wsize = smb2_negotiate_wsize,
878 .negotiate_rsize = smb2_negotiate_rsize,
879 .sess_setup = SMB2_sess_setup,
880 .logoff = SMB2_logoff,
881 .tree_connect = SMB2_tcon,
882 .tree_disconnect = SMB2_tdis,
883 .is_path_accessible = smb2_is_path_accessible,
884 .can_echo = smb2_can_echo,
886 .query_path_info = smb2_query_path_info,
887 .get_srv_inum = smb2_get_srv_inum,
888 .query_file_info = smb2_query_file_info,
889 .set_path_size = smb2_set_path_size,
890 .set_file_size = smb2_set_file_size,
891 .set_file_info = smb2_set_file_info,
893 .mkdir_setinfo = smb2_mkdir_setinfo,
895 .unlink = smb2_unlink,
896 .rename = smb2_rename_path,
897 .create_hardlink = smb2_create_hardlink,
898 .query_symlink = smb2_query_symlink,
899 .open = smb2_open_file,
900 .set_fid = smb2_set_fid,
901 .close = smb2_close_file,
902 .flush = smb2_flush_file,
903 .async_readv = smb2_async_readv,
904 .async_writev = smb2_async_writev,
905 .sync_read = smb2_sync_read,
906 .sync_write = smb2_sync_write,
907 .query_dir_first = smb2_query_dir_first,
908 .query_dir_next = smb2_query_dir_next,
909 .close_dir = smb2_close_dir,
910 .calc_smb_size = smb2_calc_size,
911 .is_status_pending = smb2_is_status_pending,
912 .oplock_response = smb2_oplock_response,
913 .queryfs = smb2_queryfs,
914 .mand_lock = smb2_mand_lock,
915 .mand_unlock_range = smb2_unlock_range,
916 .push_mand_locks = smb2_push_mandatory_locks,
917 .get_lease_key = smb2_get_lease_key,
918 .set_lease_key = smb2_set_lease_key,
919 .new_lease_key = smb2_new_lease_key,
920 .generate_signingkey = generate_smb3signingkey,
921 .calc_signature = smb3_calc_signature,
922 .is_read_op = smb21_is_read_op,
923 .set_oplock_level = smb21_set_oplock_level,
926 struct smb_version_values smb20_values = {
927 .version_string = SMB20_VERSION_STRING,
928 .protocol_id = SMB20_PROT_ID,
929 .req_capabilities = 0, /* MBZ */
930 .large_lock_type = 0,
931 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
932 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
933 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
934 .header_size = sizeof(struct smb2_hdr),
935 .max_header_size = MAX_SMB2_HDR_SIZE,
936 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
937 .lock_cmd = SMB2_LOCK,
939 .cap_nt_find = SMB2_NT_FIND,
940 .cap_large_files = SMB2_LARGE_FILES,
941 .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
942 .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
945 struct smb_version_values smb21_values = {
946 .version_string = SMB21_VERSION_STRING,
947 .protocol_id = SMB21_PROT_ID,
948 .req_capabilities = 0, /* MBZ on negotiate req until SMB3 dialect */
949 .large_lock_type = 0,
950 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
951 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
952 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
953 .header_size = sizeof(struct smb2_hdr),
954 .max_header_size = MAX_SMB2_HDR_SIZE,
955 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
956 .lock_cmd = SMB2_LOCK,
958 .cap_nt_find = SMB2_NT_FIND,
959 .cap_large_files = SMB2_LARGE_FILES,
960 .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
961 .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
964 struct smb_version_values smb30_values = {
965 .version_string = SMB30_VERSION_STRING,
966 .protocol_id = SMB30_PROT_ID,
967 .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU,
968 .large_lock_type = 0,
969 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
970 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
971 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
972 .header_size = sizeof(struct smb2_hdr),
973 .max_header_size = MAX_SMB2_HDR_SIZE,
974 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
975 .lock_cmd = SMB2_LOCK,
977 .cap_nt_find = SMB2_NT_FIND,
978 .cap_large_files = SMB2_LARGE_FILES,
979 .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
980 .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
983 struct smb_version_values smb302_values = {
984 .version_string = SMB302_VERSION_STRING,
985 .protocol_id = SMB302_PROT_ID,
986 .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU,
987 .large_lock_type = 0,
988 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
989 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
990 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
991 .header_size = sizeof(struct smb2_hdr),
992 .max_header_size = MAX_SMB2_HDR_SIZE,
993 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
994 .lock_cmd = SMB2_LOCK,
996 .cap_nt_find = SMB2_NT_FIND,
997 .cap_large_files = SMB2_LARGE_FILES,
998 .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
999 .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,