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>
22 #include <linux/falloc.h>
25 #include "smb2proto.h"
26 #include "cifsproto.h"
27 #include "cifs_debug.h"
28 #include "cifs_unicode.h"
29 #include "smb2status.h"
31 #include "cifs_ioctl.h"
34 change_conf(struct TCP_Server_Info *server)
36 server->credits += server->echo_credits + server->oplock_credits;
37 server->oplock_credits = server->echo_credits = 0;
38 switch (server->credits) {
42 server->echoes = false;
43 server->oplocks = false;
44 cifs_dbg(VFS, "disabling echoes and oplocks\n");
47 server->echoes = true;
48 server->oplocks = false;
49 server->echo_credits = 1;
50 cifs_dbg(FYI, "disabling oplocks\n");
53 server->echoes = true;
55 server->oplocks = true;
56 server->oplock_credits = 1;
58 server->oplocks = false;
60 server->echo_credits = 1;
62 server->credits -= server->echo_credits + server->oplock_credits;
67 smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add,
71 spin_lock(&server->req_lock);
72 val = server->ops->get_credits_field(server, optype);
75 *val = 65000; /* Don't get near 64K credits, avoid srv bugs */
76 printk_once(KERN_WARNING "server overflowed SMB3 credits\n");
79 if (server->in_flight == 0 && (optype & CIFS_OP_MASK) != CIFS_NEG_OP)
80 rc = change_conf(server);
82 * Sometimes server returns 0 credits on oplock break ack - we need to
83 * rebalance credits in this case.
85 else if (server->in_flight > 0 && server->oplock_credits == 0 &&
87 if (server->credits > 1) {
89 server->oplock_credits++;
92 spin_unlock(&server->req_lock);
93 wake_up(&server->request_q);
95 cifs_reconnect(server);
99 smb2_set_credits(struct TCP_Server_Info *server, const int val)
101 spin_lock(&server->req_lock);
102 server->credits = val;
103 spin_unlock(&server->req_lock);
107 smb2_get_credits_field(struct TCP_Server_Info *server, const int optype)
111 return &server->echo_credits;
113 return &server->oplock_credits;
115 return &server->credits;
120 smb2_get_credits(struct mid_q_entry *mid)
122 return le16_to_cpu(((struct smb2_hdr *)mid->resp_buf)->CreditRequest);
126 smb2_wait_mtu_credits(struct TCP_Server_Info *server, unsigned int size,
127 unsigned int *num, unsigned int *credits)
130 unsigned int scredits;
132 spin_lock(&server->req_lock);
134 if (server->credits <= 0) {
135 spin_unlock(&server->req_lock);
136 cifs_num_waiters_inc(server);
137 rc = wait_event_killable(server->request_q,
138 has_credits(server, &server->credits));
139 cifs_num_waiters_dec(server);
142 spin_lock(&server->req_lock);
144 if (server->tcpStatus == CifsExiting) {
145 spin_unlock(&server->req_lock);
149 scredits = server->credits;
150 /* can deadlock with reopen */
152 *num = SMB2_MAX_BUFFER_SIZE;
157 /* leave one credit for a possible reopen */
159 *num = min_t(unsigned int, size,
160 scredits * SMB2_MAX_BUFFER_SIZE);
162 *credits = DIV_ROUND_UP(*num, SMB2_MAX_BUFFER_SIZE);
163 server->credits -= *credits;
168 spin_unlock(&server->req_lock);
173 smb2_get_next_mid(struct TCP_Server_Info *server)
176 /* for SMB2 we need the current value */
177 spin_lock(&GlobalMid_Lock);
178 mid = server->CurrentMid++;
179 spin_unlock(&GlobalMid_Lock);
183 static struct mid_q_entry *
184 smb2_find_mid(struct TCP_Server_Info *server, char *buf)
186 struct mid_q_entry *mid;
187 struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
188 __u64 wire_mid = le64_to_cpu(hdr->MessageId);
190 if (hdr->ProtocolId == SMB2_TRANSFORM_PROTO_NUM) {
191 cifs_dbg(VFS, "encrypted frame parsing not supported yet");
195 spin_lock(&GlobalMid_Lock);
196 list_for_each_entry(mid, &server->pending_mid_q, qhead) {
197 if ((mid->mid == wire_mid) &&
198 (mid->mid_state == MID_REQUEST_SUBMITTED) &&
199 (mid->command == hdr->Command)) {
200 spin_unlock(&GlobalMid_Lock);
204 spin_unlock(&GlobalMid_Lock);
209 smb2_dump_detail(void *buf)
211 #ifdef CONFIG_CIFS_DEBUG2
212 struct smb2_hdr *smb = (struct smb2_hdr *)buf;
214 cifs_dbg(VFS, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d\n",
215 smb->Command, smb->Status, smb->Flags, smb->MessageId,
217 cifs_dbg(VFS, "smb buf %p len %u\n", smb, smb2_calc_size(smb));
222 smb2_need_neg(struct TCP_Server_Info *server)
224 return server->max_read == 0;
228 smb2_negotiate(const unsigned int xid, struct cifs_ses *ses)
231 ses->server->CurrentMid = 0;
232 rc = SMB2_negotiate(xid, ses);
233 /* BB we probably don't need to retry with modern servers */
240 smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
242 struct TCP_Server_Info *server = tcon->ses->server;
245 /* start with specified wsize, or default */
246 wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE;
247 wsize = min_t(unsigned int, wsize, server->max_write);
249 if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU))
250 wsize = min_t(unsigned int, wsize, SMB2_MAX_BUFFER_SIZE);
256 smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
258 struct TCP_Server_Info *server = tcon->ses->server;
261 /* start with specified rsize, or default */
262 rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE;
263 rsize = min_t(unsigned int, rsize, server->max_read);
265 if (!(server->capabilities & SMB2_GLOBAL_CAP_LARGE_MTU))
266 rsize = min_t(unsigned int, rsize, SMB2_MAX_BUFFER_SIZE);
271 #ifdef CONFIG_CIFS_STATS2
273 SMB3_request_interfaces(const unsigned int xid, struct cifs_tcon *tcon)
276 unsigned int ret_data_len = 0;
277 struct network_interface_info_ioctl_rsp *out_buf;
279 rc = SMB2_ioctl(xid, tcon, NO_FILE_ID, NO_FILE_ID,
280 FSCTL_QUERY_NETWORK_INTERFACE_INFO, true /* is_fsctl */,
281 NULL /* no data input */, 0 /* no data input */,
282 (char **)&out_buf, &ret_data_len);
284 cifs_dbg(VFS, "error %d on ioctl to get interface list\n", rc);
285 else if (ret_data_len < sizeof(struct network_interface_info_ioctl_rsp)) {
286 cifs_dbg(VFS, "server returned bad net interface info buf\n");
289 /* Dump info on first interface */
290 cifs_dbg(FYI, "Adapter Capability 0x%x\t",
291 le32_to_cpu(out_buf->Capability));
292 cifs_dbg(FYI, "Link Speed %lld\n",
293 le64_to_cpu(out_buf->LinkSpeed));
301 smb3_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon)
304 __le16 srch_path = 0; /* Null - open root of share */
305 u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
306 struct cifs_open_parms oparms;
310 oparms.desired_access = FILE_READ_ATTRIBUTES;
311 oparms.disposition = FILE_OPEN;
312 oparms.create_options = 0;
314 oparms.reconnect = false;
316 rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL);
320 #ifdef CONFIG_CIFS_STATS2
321 SMB3_request_interfaces(xid, tcon);
324 SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid,
325 FS_ATTRIBUTE_INFORMATION);
326 SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid,
327 FS_DEVICE_INFORMATION);
328 SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid,
329 FS_SECTOR_SIZE_INFORMATION); /* SMB3 specific */
330 SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
335 smb2_qfs_tcon(const unsigned int xid, struct cifs_tcon *tcon)
338 __le16 srch_path = 0; /* Null - open root of share */
339 u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
340 struct cifs_open_parms oparms;
344 oparms.desired_access = FILE_READ_ATTRIBUTES;
345 oparms.disposition = FILE_OPEN;
346 oparms.create_options = 0;
348 oparms.reconnect = false;
350 rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL);
354 SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid,
355 FS_ATTRIBUTE_INFORMATION);
356 SMB2_QFS_attr(xid, tcon, fid.persistent_fid, fid.volatile_fid,
357 FS_DEVICE_INFORMATION);
358 SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
363 smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon,
364 struct cifs_sb_info *cifs_sb, const char *full_path)
368 __u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
369 struct cifs_open_parms oparms;
372 utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb);
377 oparms.desired_access = FILE_READ_ATTRIBUTES;
378 oparms.disposition = FILE_OPEN;
379 oparms.create_options = 0;
381 oparms.reconnect = false;
383 rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL);
389 rc = SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
395 smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon,
396 struct cifs_sb_info *cifs_sb, const char *full_path,
397 u64 *uniqueid, FILE_ALL_INFO *data)
399 *uniqueid = le64_to_cpu(data->IndexNumber);
404 smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon,
405 struct cifs_fid *fid, FILE_ALL_INFO *data)
408 struct smb2_file_all_info *smb2_data;
410 smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + PATH_MAX * 2,
412 if (smb2_data == NULL)
415 rc = SMB2_query_info(xid, tcon, fid->persistent_fid, fid->volatile_fid,
418 move_smb2_info_to_cifs(data, smb2_data);
424 smb2_can_echo(struct TCP_Server_Info *server)
426 return server->echoes;
430 smb2_clear_stats(struct cifs_tcon *tcon)
432 #ifdef CONFIG_CIFS_STATS
434 for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) {
435 atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0);
436 atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0);
442 smb2_dump_share_caps(struct seq_file *m, struct cifs_tcon *tcon)
444 seq_puts(m, "\n\tShare Capabilities:");
445 if (tcon->capabilities & SMB2_SHARE_CAP_DFS)
446 seq_puts(m, " DFS,");
447 if (tcon->capabilities & SMB2_SHARE_CAP_CONTINUOUS_AVAILABILITY)
448 seq_puts(m, " CONTINUOUS AVAILABILITY,");
449 if (tcon->capabilities & SMB2_SHARE_CAP_SCALEOUT)
450 seq_puts(m, " SCALEOUT,");
451 if (tcon->capabilities & SMB2_SHARE_CAP_CLUSTER)
452 seq_puts(m, " CLUSTER,");
453 if (tcon->capabilities & SMB2_SHARE_CAP_ASYMMETRIC)
454 seq_puts(m, " ASYMMETRIC,");
455 if (tcon->capabilities == 0)
456 seq_puts(m, " None");
457 if (tcon->ss_flags & SSINFO_FLAGS_ALIGNED_DEVICE)
458 seq_puts(m, " Aligned,");
459 if (tcon->ss_flags & SSINFO_FLAGS_PARTITION_ALIGNED_ON_DEVICE)
460 seq_puts(m, " Partition Aligned,");
461 if (tcon->ss_flags & SSINFO_FLAGS_NO_SEEK_PENALTY)
462 seq_puts(m, " SSD,");
463 if (tcon->ss_flags & SSINFO_FLAGS_TRIM_ENABLED)
464 seq_puts(m, " TRIM-support,");
466 seq_printf(m, "\tShare Flags: 0x%x", tcon->share_flags);
467 if (tcon->perf_sector_size)
468 seq_printf(m, "\tOptimal sector size: 0x%x",
469 tcon->perf_sector_size);
473 smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
475 #ifdef CONFIG_CIFS_STATS
476 atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent;
477 atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed;
478 seq_printf(m, "\nNegotiates: %d sent %d failed",
479 atomic_read(&sent[SMB2_NEGOTIATE_HE]),
480 atomic_read(&failed[SMB2_NEGOTIATE_HE]));
481 seq_printf(m, "\nSessionSetups: %d sent %d failed",
482 atomic_read(&sent[SMB2_SESSION_SETUP_HE]),
483 atomic_read(&failed[SMB2_SESSION_SETUP_HE]));
484 seq_printf(m, "\nLogoffs: %d sent %d failed",
485 atomic_read(&sent[SMB2_LOGOFF_HE]),
486 atomic_read(&failed[SMB2_LOGOFF_HE]));
487 seq_printf(m, "\nTreeConnects: %d sent %d failed",
488 atomic_read(&sent[SMB2_TREE_CONNECT_HE]),
489 atomic_read(&failed[SMB2_TREE_CONNECT_HE]));
490 seq_printf(m, "\nTreeDisconnects: %d sent %d failed",
491 atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]),
492 atomic_read(&failed[SMB2_TREE_DISCONNECT_HE]));
493 seq_printf(m, "\nCreates: %d sent %d failed",
494 atomic_read(&sent[SMB2_CREATE_HE]),
495 atomic_read(&failed[SMB2_CREATE_HE]));
496 seq_printf(m, "\nCloses: %d sent %d failed",
497 atomic_read(&sent[SMB2_CLOSE_HE]),
498 atomic_read(&failed[SMB2_CLOSE_HE]));
499 seq_printf(m, "\nFlushes: %d sent %d failed",
500 atomic_read(&sent[SMB2_FLUSH_HE]),
501 atomic_read(&failed[SMB2_FLUSH_HE]));
502 seq_printf(m, "\nReads: %d sent %d failed",
503 atomic_read(&sent[SMB2_READ_HE]),
504 atomic_read(&failed[SMB2_READ_HE]));
505 seq_printf(m, "\nWrites: %d sent %d failed",
506 atomic_read(&sent[SMB2_WRITE_HE]),
507 atomic_read(&failed[SMB2_WRITE_HE]));
508 seq_printf(m, "\nLocks: %d sent %d failed",
509 atomic_read(&sent[SMB2_LOCK_HE]),
510 atomic_read(&failed[SMB2_LOCK_HE]));
511 seq_printf(m, "\nIOCTLs: %d sent %d failed",
512 atomic_read(&sent[SMB2_IOCTL_HE]),
513 atomic_read(&failed[SMB2_IOCTL_HE]));
514 seq_printf(m, "\nCancels: %d sent %d failed",
515 atomic_read(&sent[SMB2_CANCEL_HE]),
516 atomic_read(&failed[SMB2_CANCEL_HE]));
517 seq_printf(m, "\nEchos: %d sent %d failed",
518 atomic_read(&sent[SMB2_ECHO_HE]),
519 atomic_read(&failed[SMB2_ECHO_HE]));
520 seq_printf(m, "\nQueryDirectories: %d sent %d failed",
521 atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]),
522 atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE]));
523 seq_printf(m, "\nChangeNotifies: %d sent %d failed",
524 atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]),
525 atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE]));
526 seq_printf(m, "\nQueryInfos: %d sent %d failed",
527 atomic_read(&sent[SMB2_QUERY_INFO_HE]),
528 atomic_read(&failed[SMB2_QUERY_INFO_HE]));
529 seq_printf(m, "\nSetInfos: %d sent %d failed",
530 atomic_read(&sent[SMB2_SET_INFO_HE]),
531 atomic_read(&failed[SMB2_SET_INFO_HE]));
532 seq_printf(m, "\nOplockBreaks: %d sent %d failed",
533 atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]),
534 atomic_read(&failed[SMB2_OPLOCK_BREAK_HE]));
539 smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock)
541 struct cifsInodeInfo *cinode = CIFS_I(d_inode(cfile->dentry));
542 struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server;
544 cfile->fid.persistent_fid = fid->persistent_fid;
545 cfile->fid.volatile_fid = fid->volatile_fid;
546 server->ops->set_oplock_level(cinode, oplock, fid->epoch,
548 cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode);
549 memcpy(cfile->fid.create_guid, fid->create_guid, 16);
553 smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon,
554 struct cifs_fid *fid)
556 SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
560 SMB2_request_res_key(const unsigned int xid, struct cifs_tcon *tcon,
561 u64 persistent_fid, u64 volatile_fid,
562 struct copychunk_ioctl *pcchunk)
565 unsigned int ret_data_len;
566 struct resume_key_req *res_key;
568 rc = SMB2_ioctl(xid, tcon, persistent_fid, volatile_fid,
569 FSCTL_SRV_REQUEST_RESUME_KEY, true /* is_fsctl */,
570 NULL, 0 /* no input */,
571 (char **)&res_key, &ret_data_len);
574 cifs_dbg(VFS, "refcpy ioctl error %d getting resume key\n", rc);
575 goto req_res_key_exit;
577 if (ret_data_len < sizeof(struct resume_key_req)) {
578 cifs_dbg(VFS, "Invalid refcopy resume key length\n");
580 goto req_res_key_exit;
582 memcpy(pcchunk->SourceKey, res_key->ResumeKey, COPY_CHUNK_RES_KEY_SIZE);
590 smb2_clone_range(const unsigned int xid,
591 struct cifsFileInfo *srcfile,
592 struct cifsFileInfo *trgtfile, u64 src_off,
593 u64 len, u64 dest_off)
596 unsigned int ret_data_len;
597 struct copychunk_ioctl *pcchunk;
598 struct copychunk_ioctl_rsp *retbuf = NULL;
599 struct cifs_tcon *tcon;
600 int chunks_copied = 0;
601 bool chunk_sizes_updated = false;
603 pcchunk = kmalloc(sizeof(struct copychunk_ioctl), GFP_KERNEL);
608 cifs_dbg(FYI, "in smb2_clone_range - about to call request res key\n");
609 /* Request a key from the server to identify the source of the copy */
610 rc = SMB2_request_res_key(xid, tlink_tcon(srcfile->tlink),
611 srcfile->fid.persistent_fid,
612 srcfile->fid.volatile_fid, pcchunk);
614 /* Note: request_res_key sets res_key null only if rc !=0 */
618 /* For now array only one chunk long, will make more flexible later */
619 pcchunk->ChunkCount = cpu_to_le32(1);
620 pcchunk->Reserved = 0;
621 pcchunk->Reserved2 = 0;
623 tcon = tlink_tcon(trgtfile->tlink);
626 pcchunk->SourceOffset = cpu_to_le64(src_off);
627 pcchunk->TargetOffset = cpu_to_le64(dest_off);
629 cpu_to_le32(min_t(u32, len, tcon->max_bytes_chunk));
631 /* Request server copy to target from src identified by key */
632 rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid,
633 trgtfile->fid.volatile_fid, FSCTL_SRV_COPYCHUNK_WRITE,
634 true /* is_fsctl */, (char *)pcchunk,
635 sizeof(struct copychunk_ioctl), (char **)&retbuf,
639 sizeof(struct copychunk_ioctl_rsp)) {
640 cifs_dbg(VFS, "invalid cchunk response size\n");
644 if (retbuf->TotalBytesWritten == 0) {
645 cifs_dbg(FYI, "no bytes copied\n");
650 * Check if server claimed to write more than we asked
652 if (le32_to_cpu(retbuf->TotalBytesWritten) >
653 le32_to_cpu(pcchunk->Length)) {
654 cifs_dbg(VFS, "invalid copy chunk response\n");
658 if (le32_to_cpu(retbuf->ChunksWritten) != 1) {
659 cifs_dbg(VFS, "invalid num chunks written\n");
665 src_off += le32_to_cpu(retbuf->TotalBytesWritten);
666 dest_off += le32_to_cpu(retbuf->TotalBytesWritten);
667 len -= le32_to_cpu(retbuf->TotalBytesWritten);
669 cifs_dbg(FYI, "Chunks %d PartialChunk %d Total %d\n",
670 le32_to_cpu(retbuf->ChunksWritten),
671 le32_to_cpu(retbuf->ChunkBytesWritten),
672 le32_to_cpu(retbuf->TotalBytesWritten));
673 } else if (rc == -EINVAL) {
674 if (ret_data_len != sizeof(struct copychunk_ioctl_rsp))
677 cifs_dbg(FYI, "MaxChunks %d BytesChunk %d MaxCopy %d\n",
678 le32_to_cpu(retbuf->ChunksWritten),
679 le32_to_cpu(retbuf->ChunkBytesWritten),
680 le32_to_cpu(retbuf->TotalBytesWritten));
683 * Check if this is the first request using these sizes,
684 * (ie check if copy succeed once with original sizes
685 * and check if the server gave us different sizes after
686 * we already updated max sizes on previous request).
687 * if not then why is the server returning an error now
689 if ((chunks_copied != 0) || chunk_sizes_updated)
692 /* Check that server is not asking us to grow size */
693 if (le32_to_cpu(retbuf->ChunkBytesWritten) <
694 tcon->max_bytes_chunk)
695 tcon->max_bytes_chunk =
696 le32_to_cpu(retbuf->ChunkBytesWritten);
698 goto cchunk_out; /* server gave us bogus size */
700 /* No need to change MaxChunks since already set to 1 */
701 chunk_sizes_updated = true;
712 smb2_flush_file(const unsigned int xid, struct cifs_tcon *tcon,
713 struct cifs_fid *fid)
715 return SMB2_flush(xid, tcon, fid->persistent_fid, fid->volatile_fid);
719 smb2_read_data_offset(char *buf)
721 struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf;
722 return rsp->DataOffset;
726 smb2_read_data_length(char *buf)
728 struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf;
729 return le32_to_cpu(rsp->DataLength);
734 smb2_sync_read(const unsigned int xid, struct cifs_fid *pfid,
735 struct cifs_io_parms *parms, unsigned int *bytes_read,
736 char **buf, int *buf_type)
738 parms->persistent_fid = pfid->persistent_fid;
739 parms->volatile_fid = pfid->volatile_fid;
740 return SMB2_read(xid, parms, bytes_read, buf, buf_type);
744 smb2_sync_write(const unsigned int xid, struct cifs_fid *pfid,
745 struct cifs_io_parms *parms, unsigned int *written,
746 struct kvec *iov, unsigned long nr_segs)
749 parms->persistent_fid = pfid->persistent_fid;
750 parms->volatile_fid = pfid->volatile_fid;
751 return SMB2_write(xid, parms, written, iov, nr_segs);
754 /* Set or clear the SPARSE_FILE attribute based on value passed in setsparse */
755 static bool smb2_set_sparse(const unsigned int xid, struct cifs_tcon *tcon,
756 struct cifsFileInfo *cfile, struct inode *inode, __u8 setsparse)
758 struct cifsInodeInfo *cifsi;
761 cifsi = CIFS_I(inode);
763 /* if file already sparse don't bother setting sparse again */
764 if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) && setsparse)
765 return true; /* already sparse */
767 if (!(cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) && !setsparse)
768 return true; /* already not sparse */
771 * Can't check for sparse support on share the usual way via the
772 * FS attribute info (FILE_SUPPORTS_SPARSE_FILES) on the share
773 * since Samba server doesn't set the flag on the share, yet
774 * supports the set sparse FSCTL and returns sparse correctly
775 * in the file attributes. If we fail setting sparse though we
776 * mark that server does not support sparse files for this share
777 * to avoid repeatedly sending the unsupported fsctl to server
778 * if the file is repeatedly extended.
780 if (tcon->broken_sparse_sup)
783 rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
784 cfile->fid.volatile_fid, FSCTL_SET_SPARSE,
785 true /* is_fctl */, &setsparse, 1, NULL, NULL);
787 tcon->broken_sparse_sup = true;
788 cifs_dbg(FYI, "set sparse rc = %d\n", rc);
793 cifsi->cifsAttrs |= FILE_ATTRIBUTE_SPARSE_FILE;
795 cifsi->cifsAttrs &= (~FILE_ATTRIBUTE_SPARSE_FILE);
801 smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon,
802 struct cifsFileInfo *cfile, __u64 size, bool set_alloc)
804 __le64 eof = cpu_to_le64(size);
808 * If extending file more than one page make sparse. Many Linux fs
809 * make files sparse by default when extending via ftruncate
811 inode = d_inode(cfile->dentry);
813 if (!set_alloc && (size > inode->i_size + 8192)) {
816 /* whether set sparse succeeds or not, extend the file */
817 smb2_set_sparse(xid, tcon, cfile, inode, set_sparse);
820 return SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid,
821 cfile->fid.volatile_fid, cfile->pid, &eof, false);
825 smb2_duplicate_extents(const unsigned int xid,
826 struct cifsFileInfo *srcfile,
827 struct cifsFileInfo *trgtfile, u64 src_off,
828 u64 len, u64 dest_off)
831 unsigned int ret_data_len;
833 struct duplicate_extents_to_file dup_ext_buf;
834 struct cifs_tcon *tcon = tlink_tcon(trgtfile->tlink);
836 /* server fileays advertise duplicate extent support with this flag */
837 if ((le32_to_cpu(tcon->fsAttrInfo.Attributes) &
838 FILE_SUPPORTS_BLOCK_REFCOUNTING) == 0)
841 dup_ext_buf.VolatileFileHandle = srcfile->fid.volatile_fid;
842 dup_ext_buf.PersistentFileHandle = srcfile->fid.persistent_fid;
843 dup_ext_buf.SourceFileOffset = cpu_to_le64(src_off);
844 dup_ext_buf.TargetFileOffset = cpu_to_le64(dest_off);
845 dup_ext_buf.ByteCount = cpu_to_le64(len);
846 cifs_dbg(FYI, "duplicate extents: src off %lld dst off %lld len %lld",
847 src_off, dest_off, len);
849 rc = smb2_set_file_size(xid, tcon, trgtfile, dest_off + len, false);
851 goto duplicate_extents_out;
853 rc = SMB2_ioctl(xid, tcon, trgtfile->fid.persistent_fid,
854 trgtfile->fid.volatile_fid,
855 FSCTL_DUPLICATE_EXTENTS_TO_FILE,
856 true /* is_fsctl */, (char *)&dup_ext_buf,
857 sizeof(struct duplicate_extents_to_file),
861 if (ret_data_len > 0)
862 cifs_dbg(FYI, "non-zero response length in duplicate extents");
864 duplicate_extents_out:
869 smb2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
870 struct cifsFileInfo *cfile)
872 return SMB2_set_compression(xid, tcon, cfile->fid.persistent_fid,
873 cfile->fid.volatile_fid);
877 smb3_set_integrity(const unsigned int xid, struct cifs_tcon *tcon,
878 struct cifsFileInfo *cfile)
880 struct fsctl_set_integrity_information_req integr_info;
882 unsigned int ret_data_len;
884 integr_info.ChecksumAlgorithm = cpu_to_le16(CHECKSUM_TYPE_UNCHANGED);
885 integr_info.Flags = 0;
886 integr_info.Reserved = 0;
888 return SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
889 cfile->fid.volatile_fid,
890 FSCTL_SET_INTEGRITY_INFORMATION,
891 true /* is_fsctl */, (char *)&integr_info,
892 sizeof(struct fsctl_set_integrity_information_req),
899 smb3_enum_snapshots(const unsigned int xid, struct cifs_tcon *tcon,
900 struct cifsFileInfo *cfile, void __user *ioc_buf)
903 unsigned int ret_data_len = 0;
905 struct smb_snapshot_array snapshot_in;
907 rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
908 cfile->fid.volatile_fid,
909 FSCTL_SRV_ENUMERATE_SNAPSHOTS,
910 true /* is_fsctl */, NULL, 0 /* no input data */,
913 cifs_dbg(FYI, "enum snaphots ioctl returned %d and ret buflen is %d\n",
918 if (ret_data_len && (ioc_buf != NULL) && (retbuf != NULL)) {
920 if (copy_from_user(&snapshot_in, ioc_buf,
921 sizeof(struct smb_snapshot_array))) {
926 if (snapshot_in.snapshot_array_size < sizeof(struct smb_snapshot_array)) {
931 if (ret_data_len > snapshot_in.snapshot_array_size)
932 ret_data_len = snapshot_in.snapshot_array_size;
934 if (copy_to_user(ioc_buf, retbuf, ret_data_len))
943 smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
944 const char *path, struct cifs_sb_info *cifs_sb,
945 struct cifs_fid *fid, __u16 search_flags,
946 struct cifs_search_info *srch_inf)
950 __u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
951 struct cifs_open_parms oparms;
953 utf16_path = cifs_convert_path_to_utf16(path, cifs_sb);
958 oparms.desired_access = FILE_READ_ATTRIBUTES | FILE_READ_DATA;
959 oparms.disposition = FILE_OPEN;
960 oparms.create_options = 0;
962 oparms.reconnect = false;
964 rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, NULL);
967 cifs_dbg(VFS, "open dir failed\n");
971 srch_inf->entries_in_buffer = 0;
972 srch_inf->index_of_last_entry = 0;
974 rc = SMB2_query_directory(xid, tcon, fid->persistent_fid,
975 fid->volatile_fid, 0, srch_inf);
977 cifs_dbg(VFS, "query directory failed\n");
978 SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
984 smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon,
985 struct cifs_fid *fid, __u16 search_flags,
986 struct cifs_search_info *srch_inf)
988 return SMB2_query_directory(xid, tcon, fid->persistent_fid,
989 fid->volatile_fid, 0, srch_inf);
993 smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon,
994 struct cifs_fid *fid)
996 return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
1000 * If we negotiate SMB2 protocol and get STATUS_PENDING - update
1001 * the number of credits and return true. Otherwise - return false.
1004 smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length)
1006 struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
1008 if (hdr->Status != STATUS_PENDING)
1012 spin_lock(&server->req_lock);
1013 server->credits += le16_to_cpu(hdr->CreditRequest);
1014 spin_unlock(&server->req_lock);
1015 wake_up(&server->request_q);
1022 smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid,
1023 struct cifsInodeInfo *cinode)
1025 if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING)
1026 return SMB2_lease_break(0, tcon, cinode->lease_key,
1027 smb2_get_lease_state(cinode));
1029 return SMB2_oplock_break(0, tcon, fid->persistent_fid,
1031 CIFS_CACHE_READ(cinode) ? 1 : 0);
1035 smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon,
1036 struct kstatfs *buf)
1039 __le16 srch_path = 0; /* Null - open root of share */
1040 u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
1041 struct cifs_open_parms oparms;
1042 struct cifs_fid fid;
1045 oparms.desired_access = FILE_READ_ATTRIBUTES;
1046 oparms.disposition = FILE_OPEN;
1047 oparms.create_options = 0;
1049 oparms.reconnect = false;
1051 rc = SMB2_open(xid, &oparms, &srch_path, &oplock, NULL, NULL);
1054 buf->f_type = SMB2_MAGIC_NUMBER;
1055 rc = SMB2_QFS_info(xid, tcon, fid.persistent_fid, fid.volatile_fid,
1057 SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
1062 smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2)
1064 return ob1->fid.persistent_fid == ob2->fid.persistent_fid &&
1065 ob1->fid.volatile_fid == ob2->fid.volatile_fid;
1069 smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset,
1070 __u64 length, __u32 type, int lock, int unlock, bool wait)
1072 if (unlock && !lock)
1073 type = SMB2_LOCKFLAG_UNLOCK;
1074 return SMB2_lock(xid, tlink_tcon(cfile->tlink),
1075 cfile->fid.persistent_fid, cfile->fid.volatile_fid,
1076 current->tgid, length, offset, type, wait);
1080 smb2_get_lease_key(struct inode *inode, struct cifs_fid *fid)
1082 memcpy(fid->lease_key, CIFS_I(inode)->lease_key, SMB2_LEASE_KEY_SIZE);
1086 smb2_set_lease_key(struct inode *inode, struct cifs_fid *fid)
1088 memcpy(CIFS_I(inode)->lease_key, fid->lease_key, SMB2_LEASE_KEY_SIZE);
1092 smb2_new_lease_key(struct cifs_fid *fid)
1094 generate_random_uuid(fid->lease_key);
1097 #define SMB2_SYMLINK_STRUCT_SIZE \
1098 (sizeof(struct smb2_err_rsp) - 1 + sizeof(struct smb2_symlink_err_rsp))
1101 smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
1102 const char *full_path, char **target_path,
1103 struct cifs_sb_info *cifs_sb)
1107 __u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
1108 struct cifs_open_parms oparms;
1109 struct cifs_fid fid;
1110 struct smb2_err_rsp *err_buf = NULL;
1111 struct smb2_symlink_err_rsp *symlink;
1112 unsigned int sub_len;
1113 unsigned int sub_offset;
1114 unsigned int print_len;
1115 unsigned int print_offset;
1117 cifs_dbg(FYI, "%s: path: %s\n", __func__, full_path);
1119 utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb);
1124 oparms.desired_access = FILE_READ_ATTRIBUTES;
1125 oparms.disposition = FILE_OPEN;
1126 oparms.create_options = 0;
1128 oparms.reconnect = false;
1130 rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, &err_buf);
1132 if (!rc || !err_buf) {
1137 if (le32_to_cpu(err_buf->ByteCount) < sizeof(struct smb2_symlink_err_rsp) ||
1138 get_rfc1002_length(err_buf) + 4 < SMB2_SYMLINK_STRUCT_SIZE) {
1143 /* open must fail on symlink - reset rc */
1145 symlink = (struct smb2_symlink_err_rsp *)err_buf->ErrorData;
1146 sub_len = le16_to_cpu(symlink->SubstituteNameLength);
1147 sub_offset = le16_to_cpu(symlink->SubstituteNameOffset);
1148 print_len = le16_to_cpu(symlink->PrintNameLength);
1149 print_offset = le16_to_cpu(symlink->PrintNameOffset);
1151 if (get_rfc1002_length(err_buf) + 4 <
1152 SMB2_SYMLINK_STRUCT_SIZE + sub_offset + sub_len) {
1157 if (get_rfc1002_length(err_buf) + 4 <
1158 SMB2_SYMLINK_STRUCT_SIZE + print_offset + print_len) {
1163 *target_path = cifs_strndup_from_utf16(
1164 (char *)symlink->PathBuffer + sub_offset,
1165 sub_len, true, cifs_sb->local_nls);
1166 if (!(*target_path)) {
1170 convert_delimiter(*target_path, '/');
1171 cifs_dbg(FYI, "%s: target path: %s\n", __func__, *target_path);
1176 static long smb3_zero_range(struct file *file, struct cifs_tcon *tcon,
1177 loff_t offset, loff_t len, bool keep_size)
1179 struct inode *inode;
1180 struct cifsInodeInfo *cifsi;
1181 struct cifsFileInfo *cfile = file->private_data;
1182 struct file_zero_data_information fsctl_buf;
1188 inode = d_inode(cfile->dentry);
1189 cifsi = CIFS_I(inode);
1191 /* if file not oplocked can't be sure whether asking to extend size */
1192 if (!CIFS_CACHE_READ(cifsi))
1193 if (keep_size == false)
1197 * Must check if file sparse since fallocate -z (zero range) assumes
1198 * non-sparse allocation
1200 if (!(cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE))
1204 * need to make sure we are not asked to extend the file since the SMB3
1205 * fsctl does not change the file size. In the future we could change
1206 * this to zero the first part of the range then set the file size
1207 * which for a non sparse file would zero the newly extended range
1209 if (keep_size == false)
1210 if (i_size_read(inode) < offset + len)
1213 cifs_dbg(FYI, "offset %lld len %lld", offset, len);
1215 fsctl_buf.FileOffset = cpu_to_le64(offset);
1216 fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len);
1218 rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
1219 cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA,
1220 true /* is_fctl */, (char *)&fsctl_buf,
1221 sizeof(struct file_zero_data_information), NULL, NULL);
1226 static long smb3_punch_hole(struct file *file, struct cifs_tcon *tcon,
1227 loff_t offset, loff_t len)
1229 struct inode *inode;
1230 struct cifsInodeInfo *cifsi;
1231 struct cifsFileInfo *cfile = file->private_data;
1232 struct file_zero_data_information fsctl_buf;
1235 __u8 set_sparse = 1;
1239 inode = d_inode(cfile->dentry);
1240 cifsi = CIFS_I(inode);
1242 /* Need to make file sparse, if not already, before freeing range. */
1243 /* Consider adding equivalent for compressed since it could also work */
1244 if (!smb2_set_sparse(xid, tcon, cfile, inode, set_sparse))
1247 cifs_dbg(FYI, "offset %lld len %lld", offset, len);
1249 fsctl_buf.FileOffset = cpu_to_le64(offset);
1250 fsctl_buf.BeyondFinalZero = cpu_to_le64(offset + len);
1252 rc = SMB2_ioctl(xid, tcon, cfile->fid.persistent_fid,
1253 cfile->fid.volatile_fid, FSCTL_SET_ZERO_DATA,
1254 true /* is_fctl */, (char *)&fsctl_buf,
1255 sizeof(struct file_zero_data_information), NULL, NULL);
1260 static long smb3_simple_falloc(struct file *file, struct cifs_tcon *tcon,
1261 loff_t off, loff_t len, bool keep_size)
1263 struct inode *inode;
1264 struct cifsInodeInfo *cifsi;
1265 struct cifsFileInfo *cfile = file->private_data;
1266 long rc = -EOPNOTSUPP;
1271 inode = d_inode(cfile->dentry);
1272 cifsi = CIFS_I(inode);
1274 /* if file not oplocked can't be sure whether asking to extend size */
1275 if (!CIFS_CACHE_READ(cifsi))
1276 if (keep_size == false)
1280 * Files are non-sparse by default so falloc may be a no-op
1281 * Must check if file sparse. If not sparse, and not extending
1282 * then no need to do anything since file already allocated
1284 if ((cifsi->cifsAttrs & FILE_ATTRIBUTE_SPARSE_FILE) == 0) {
1285 if (keep_size == true)
1287 /* check if extending file */
1288 else if (i_size_read(inode) >= off + len)
1289 /* not extending file and already not sparse */
1291 /* BB: in future add else clause to extend file */
1296 if ((keep_size == true) || (i_size_read(inode) >= off + len)) {
1298 * Check if falloc starts within first few pages of file
1299 * and ends within a few pages of the end of file to
1300 * ensure that most of file is being forced to be
1301 * fallocated now. If so then setting whole file sparse
1302 * ie potentially making a few extra pages at the beginning
1303 * or end of the file non-sparse via set_sparse is harmless.
1305 if ((off > 8192) || (off + len + 8192 < i_size_read(inode)))
1308 rc = smb2_set_sparse(xid, tcon, cfile, inode, false);
1310 /* BB: else ... in future add code to extend file and set sparse */
1318 static long smb3_fallocate(struct file *file, struct cifs_tcon *tcon, int mode,
1319 loff_t off, loff_t len)
1321 /* KEEP_SIZE already checked for by do_fallocate */
1322 if (mode & FALLOC_FL_PUNCH_HOLE)
1323 return smb3_punch_hole(file, tcon, off, len);
1324 else if (mode & FALLOC_FL_ZERO_RANGE) {
1325 if (mode & FALLOC_FL_KEEP_SIZE)
1326 return smb3_zero_range(file, tcon, off, len, true);
1327 return smb3_zero_range(file, tcon, off, len, false);
1328 } else if (mode == FALLOC_FL_KEEP_SIZE)
1329 return smb3_simple_falloc(file, tcon, off, len, true);
1331 return smb3_simple_falloc(file, tcon, off, len, false);
1337 smb2_downgrade_oplock(struct TCP_Server_Info *server,
1338 struct cifsInodeInfo *cinode, bool set_level2)
1341 server->ops->set_oplock_level(cinode, SMB2_OPLOCK_LEVEL_II,
1344 server->ops->set_oplock_level(cinode, 0, 0, NULL);
1348 smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock,
1349 unsigned int epoch, bool *purge_cache)
1352 if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE)
1354 if (oplock == SMB2_OPLOCK_LEVEL_BATCH) {
1355 cinode->oplock = CIFS_CACHE_RHW_FLG;
1356 cifs_dbg(FYI, "Batch Oplock granted on inode %p\n",
1357 &cinode->vfs_inode);
1358 } else if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) {
1359 cinode->oplock = CIFS_CACHE_RW_FLG;
1360 cifs_dbg(FYI, "Exclusive Oplock granted on inode %p\n",
1361 &cinode->vfs_inode);
1362 } else if (oplock == SMB2_OPLOCK_LEVEL_II) {
1363 cinode->oplock = CIFS_CACHE_READ_FLG;
1364 cifs_dbg(FYI, "Level II Oplock granted on inode %p\n",
1365 &cinode->vfs_inode);
1371 smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock,
1372 unsigned int epoch, bool *purge_cache)
1374 char message[5] = {0};
1377 if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE)
1381 if (oplock & SMB2_LEASE_READ_CACHING_HE) {
1382 cinode->oplock |= CIFS_CACHE_READ_FLG;
1383 strcat(message, "R");
1385 if (oplock & SMB2_LEASE_HANDLE_CACHING_HE) {
1386 cinode->oplock |= CIFS_CACHE_HANDLE_FLG;
1387 strcat(message, "H");
1389 if (oplock & SMB2_LEASE_WRITE_CACHING_HE) {
1390 cinode->oplock |= CIFS_CACHE_WRITE_FLG;
1391 strcat(message, "W");
1393 if (!cinode->oplock)
1394 strcat(message, "None");
1395 cifs_dbg(FYI, "%s Lease granted on inode %p\n", message,
1396 &cinode->vfs_inode);
1400 smb3_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock,
1401 unsigned int epoch, bool *purge_cache)
1403 unsigned int old_oplock = cinode->oplock;
1405 smb21_set_oplock_level(cinode, oplock, epoch, purge_cache);
1408 *purge_cache = false;
1409 if (old_oplock == CIFS_CACHE_READ_FLG) {
1410 if (cinode->oplock == CIFS_CACHE_READ_FLG &&
1411 (epoch - cinode->epoch > 0))
1412 *purge_cache = true;
1413 else if (cinode->oplock == CIFS_CACHE_RH_FLG &&
1414 (epoch - cinode->epoch > 1))
1415 *purge_cache = true;
1416 else if (cinode->oplock == CIFS_CACHE_RHW_FLG &&
1417 (epoch - cinode->epoch > 1))
1418 *purge_cache = true;
1419 else if (cinode->oplock == 0 &&
1420 (epoch - cinode->epoch > 0))
1421 *purge_cache = true;
1422 } else if (old_oplock == CIFS_CACHE_RH_FLG) {
1423 if (cinode->oplock == CIFS_CACHE_RH_FLG &&
1424 (epoch - cinode->epoch > 0))
1425 *purge_cache = true;
1426 else if (cinode->oplock == CIFS_CACHE_RHW_FLG &&
1427 (epoch - cinode->epoch > 1))
1428 *purge_cache = true;
1430 cinode->epoch = epoch;
1435 smb2_is_read_op(__u32 oplock)
1437 return oplock == SMB2_OPLOCK_LEVEL_II;
1441 smb21_is_read_op(__u32 oplock)
1443 return (oplock & SMB2_LEASE_READ_CACHING_HE) &&
1444 !(oplock & SMB2_LEASE_WRITE_CACHING_HE);
1448 map_oplock_to_lease(u8 oplock)
1450 if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE)
1451 return SMB2_LEASE_WRITE_CACHING | SMB2_LEASE_READ_CACHING;
1452 else if (oplock == SMB2_OPLOCK_LEVEL_II)
1453 return SMB2_LEASE_READ_CACHING;
1454 else if (oplock == SMB2_OPLOCK_LEVEL_BATCH)
1455 return SMB2_LEASE_HANDLE_CACHING | SMB2_LEASE_READ_CACHING |
1456 SMB2_LEASE_WRITE_CACHING;
1461 smb2_create_lease_buf(u8 *lease_key, u8 oplock)
1463 struct create_lease *buf;
1465 buf = kzalloc(sizeof(struct create_lease), GFP_KERNEL);
1469 buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key));
1470 buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8)));
1471 buf->lcontext.LeaseState = map_oplock_to_lease(oplock);
1473 buf->ccontext.DataOffset = cpu_to_le16(offsetof
1474 (struct create_lease, lcontext));
1475 buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context));
1476 buf->ccontext.NameOffset = cpu_to_le16(offsetof
1477 (struct create_lease, Name));
1478 buf->ccontext.NameLength = cpu_to_le16(4);
1479 /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */
1488 smb3_create_lease_buf(u8 *lease_key, u8 oplock)
1490 struct create_lease_v2 *buf;
1492 buf = kzalloc(sizeof(struct create_lease_v2), GFP_KERNEL);
1496 buf->lcontext.LeaseKeyLow = cpu_to_le64(*((u64 *)lease_key));
1497 buf->lcontext.LeaseKeyHigh = cpu_to_le64(*((u64 *)(lease_key + 8)));
1498 buf->lcontext.LeaseState = map_oplock_to_lease(oplock);
1500 buf->ccontext.DataOffset = cpu_to_le16(offsetof
1501 (struct create_lease_v2, lcontext));
1502 buf->ccontext.DataLength = cpu_to_le32(sizeof(struct lease_context_v2));
1503 buf->ccontext.NameOffset = cpu_to_le16(offsetof
1504 (struct create_lease_v2, Name));
1505 buf->ccontext.NameLength = cpu_to_le16(4);
1506 /* SMB2_CREATE_REQUEST_LEASE is "RqLs" */
1515 smb2_parse_lease_buf(void *buf, unsigned int *epoch)
1517 struct create_lease *lc = (struct create_lease *)buf;
1519 *epoch = 0; /* not used */
1520 if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS)
1521 return SMB2_OPLOCK_LEVEL_NOCHANGE;
1522 return le32_to_cpu(lc->lcontext.LeaseState);
1526 smb3_parse_lease_buf(void *buf, unsigned int *epoch)
1528 struct create_lease_v2 *lc = (struct create_lease_v2 *)buf;
1530 *epoch = le16_to_cpu(lc->lcontext.Epoch);
1531 if (lc->lcontext.LeaseFlags & SMB2_LEASE_FLAG_BREAK_IN_PROGRESS)
1532 return SMB2_OPLOCK_LEVEL_NOCHANGE;
1533 return le32_to_cpu(lc->lcontext.LeaseState);
1537 smb2_wp_retry_size(struct inode *inode)
1539 return min_t(unsigned int, CIFS_SB(inode->i_sb)->wsize,
1540 SMB2_MAX_BUFFER_SIZE);
1544 smb2_dir_needs_close(struct cifsFileInfo *cfile)
1546 return !cfile->invalidHandle;
1549 struct smb_version_operations smb20_operations = {
1550 .compare_fids = smb2_compare_fids,
1551 .setup_request = smb2_setup_request,
1552 .setup_async_request = smb2_setup_async_request,
1553 .check_receive = smb2_check_receive,
1554 .add_credits = smb2_add_credits,
1555 .set_credits = smb2_set_credits,
1556 .get_credits_field = smb2_get_credits_field,
1557 .get_credits = smb2_get_credits,
1558 .wait_mtu_credits = cifs_wait_mtu_credits,
1559 .get_next_mid = smb2_get_next_mid,
1560 .read_data_offset = smb2_read_data_offset,
1561 .read_data_length = smb2_read_data_length,
1562 .map_error = map_smb2_to_linux_error,
1563 .find_mid = smb2_find_mid,
1564 .check_message = smb2_check_message,
1565 .dump_detail = smb2_dump_detail,
1566 .clear_stats = smb2_clear_stats,
1567 .print_stats = smb2_print_stats,
1568 .is_oplock_break = smb2_is_valid_oplock_break,
1569 .downgrade_oplock = smb2_downgrade_oplock,
1570 .need_neg = smb2_need_neg,
1571 .negotiate = smb2_negotiate,
1572 .negotiate_wsize = smb2_negotiate_wsize,
1573 .negotiate_rsize = smb2_negotiate_rsize,
1574 .sess_setup = SMB2_sess_setup,
1575 .logoff = SMB2_logoff,
1576 .tree_connect = SMB2_tcon,
1577 .tree_disconnect = SMB2_tdis,
1578 .qfs_tcon = smb2_qfs_tcon,
1579 .is_path_accessible = smb2_is_path_accessible,
1580 .can_echo = smb2_can_echo,
1582 .query_path_info = smb2_query_path_info,
1583 .get_srv_inum = smb2_get_srv_inum,
1584 .query_file_info = smb2_query_file_info,
1585 .set_path_size = smb2_set_path_size,
1586 .set_file_size = smb2_set_file_size,
1587 .set_file_info = smb2_set_file_info,
1588 .set_compression = smb2_set_compression,
1589 .mkdir = smb2_mkdir,
1590 .mkdir_setinfo = smb2_mkdir_setinfo,
1591 .rmdir = smb2_rmdir,
1592 .unlink = smb2_unlink,
1593 .rename = smb2_rename_path,
1594 .create_hardlink = smb2_create_hardlink,
1595 .query_symlink = smb2_query_symlink,
1596 .query_mf_symlink = smb3_query_mf_symlink,
1597 .create_mf_symlink = smb3_create_mf_symlink,
1598 .open = smb2_open_file,
1599 .set_fid = smb2_set_fid,
1600 .close = smb2_close_file,
1601 .flush = smb2_flush_file,
1602 .async_readv = smb2_async_readv,
1603 .async_writev = smb2_async_writev,
1604 .sync_read = smb2_sync_read,
1605 .sync_write = smb2_sync_write,
1606 .query_dir_first = smb2_query_dir_first,
1607 .query_dir_next = smb2_query_dir_next,
1608 .close_dir = smb2_close_dir,
1609 .calc_smb_size = smb2_calc_size,
1610 .is_status_pending = smb2_is_status_pending,
1611 .oplock_response = smb2_oplock_response,
1612 .queryfs = smb2_queryfs,
1613 .mand_lock = smb2_mand_lock,
1614 .mand_unlock_range = smb2_unlock_range,
1615 .push_mand_locks = smb2_push_mandatory_locks,
1616 .get_lease_key = smb2_get_lease_key,
1617 .set_lease_key = smb2_set_lease_key,
1618 .new_lease_key = smb2_new_lease_key,
1619 .calc_signature = smb2_calc_signature,
1620 .is_read_op = smb2_is_read_op,
1621 .set_oplock_level = smb2_set_oplock_level,
1622 .create_lease_buf = smb2_create_lease_buf,
1623 .parse_lease_buf = smb2_parse_lease_buf,
1624 .clone_range = smb2_clone_range,
1625 .wp_retry_size = smb2_wp_retry_size,
1626 .dir_needs_close = smb2_dir_needs_close,
1629 struct smb_version_operations smb21_operations = {
1630 .compare_fids = smb2_compare_fids,
1631 .setup_request = smb2_setup_request,
1632 .setup_async_request = smb2_setup_async_request,
1633 .check_receive = smb2_check_receive,
1634 .add_credits = smb2_add_credits,
1635 .set_credits = smb2_set_credits,
1636 .get_credits_field = smb2_get_credits_field,
1637 .get_credits = smb2_get_credits,
1638 .wait_mtu_credits = smb2_wait_mtu_credits,
1639 .get_next_mid = smb2_get_next_mid,
1640 .read_data_offset = smb2_read_data_offset,
1641 .read_data_length = smb2_read_data_length,
1642 .map_error = map_smb2_to_linux_error,
1643 .find_mid = smb2_find_mid,
1644 .check_message = smb2_check_message,
1645 .dump_detail = smb2_dump_detail,
1646 .clear_stats = smb2_clear_stats,
1647 .print_stats = smb2_print_stats,
1648 .is_oplock_break = smb2_is_valid_oplock_break,
1649 .downgrade_oplock = smb2_downgrade_oplock,
1650 .need_neg = smb2_need_neg,
1651 .negotiate = smb2_negotiate,
1652 .negotiate_wsize = smb2_negotiate_wsize,
1653 .negotiate_rsize = smb2_negotiate_rsize,
1654 .sess_setup = SMB2_sess_setup,
1655 .logoff = SMB2_logoff,
1656 .tree_connect = SMB2_tcon,
1657 .tree_disconnect = SMB2_tdis,
1658 .qfs_tcon = smb2_qfs_tcon,
1659 .is_path_accessible = smb2_is_path_accessible,
1660 .can_echo = smb2_can_echo,
1662 .query_path_info = smb2_query_path_info,
1663 .get_srv_inum = smb2_get_srv_inum,
1664 .query_file_info = smb2_query_file_info,
1665 .set_path_size = smb2_set_path_size,
1666 .set_file_size = smb2_set_file_size,
1667 .set_file_info = smb2_set_file_info,
1668 .set_compression = smb2_set_compression,
1669 .mkdir = smb2_mkdir,
1670 .mkdir_setinfo = smb2_mkdir_setinfo,
1671 .rmdir = smb2_rmdir,
1672 .unlink = smb2_unlink,
1673 .rename = smb2_rename_path,
1674 .create_hardlink = smb2_create_hardlink,
1675 .query_symlink = smb2_query_symlink,
1676 .query_mf_symlink = smb3_query_mf_symlink,
1677 .create_mf_symlink = smb3_create_mf_symlink,
1678 .open = smb2_open_file,
1679 .set_fid = smb2_set_fid,
1680 .close = smb2_close_file,
1681 .flush = smb2_flush_file,
1682 .async_readv = smb2_async_readv,
1683 .async_writev = smb2_async_writev,
1684 .sync_read = smb2_sync_read,
1685 .sync_write = smb2_sync_write,
1686 .query_dir_first = smb2_query_dir_first,
1687 .query_dir_next = smb2_query_dir_next,
1688 .close_dir = smb2_close_dir,
1689 .calc_smb_size = smb2_calc_size,
1690 .is_status_pending = smb2_is_status_pending,
1691 .oplock_response = smb2_oplock_response,
1692 .queryfs = smb2_queryfs,
1693 .mand_lock = smb2_mand_lock,
1694 .mand_unlock_range = smb2_unlock_range,
1695 .push_mand_locks = smb2_push_mandatory_locks,
1696 .get_lease_key = smb2_get_lease_key,
1697 .set_lease_key = smb2_set_lease_key,
1698 .new_lease_key = smb2_new_lease_key,
1699 .calc_signature = smb2_calc_signature,
1700 .is_read_op = smb21_is_read_op,
1701 .set_oplock_level = smb21_set_oplock_level,
1702 .create_lease_buf = smb2_create_lease_buf,
1703 .parse_lease_buf = smb2_parse_lease_buf,
1704 .clone_range = smb2_clone_range,
1705 .wp_retry_size = smb2_wp_retry_size,
1706 .dir_needs_close = smb2_dir_needs_close,
1707 .enum_snapshots = smb3_enum_snapshots,
1710 struct smb_version_operations smb30_operations = {
1711 .compare_fids = smb2_compare_fids,
1712 .setup_request = smb2_setup_request,
1713 .setup_async_request = smb2_setup_async_request,
1714 .check_receive = smb2_check_receive,
1715 .add_credits = smb2_add_credits,
1716 .set_credits = smb2_set_credits,
1717 .get_credits_field = smb2_get_credits_field,
1718 .get_credits = smb2_get_credits,
1719 .wait_mtu_credits = smb2_wait_mtu_credits,
1720 .get_next_mid = smb2_get_next_mid,
1721 .read_data_offset = smb2_read_data_offset,
1722 .read_data_length = smb2_read_data_length,
1723 .map_error = map_smb2_to_linux_error,
1724 .find_mid = smb2_find_mid,
1725 .check_message = smb2_check_message,
1726 .dump_detail = smb2_dump_detail,
1727 .clear_stats = smb2_clear_stats,
1728 .print_stats = smb2_print_stats,
1729 .dump_share_caps = smb2_dump_share_caps,
1730 .is_oplock_break = smb2_is_valid_oplock_break,
1731 .downgrade_oplock = smb2_downgrade_oplock,
1732 .need_neg = smb2_need_neg,
1733 .negotiate = smb2_negotiate,
1734 .negotiate_wsize = smb2_negotiate_wsize,
1735 .negotiate_rsize = smb2_negotiate_rsize,
1736 .sess_setup = SMB2_sess_setup,
1737 .logoff = SMB2_logoff,
1738 .tree_connect = SMB2_tcon,
1739 .tree_disconnect = SMB2_tdis,
1740 .qfs_tcon = smb3_qfs_tcon,
1741 .is_path_accessible = smb2_is_path_accessible,
1742 .can_echo = smb2_can_echo,
1744 .query_path_info = smb2_query_path_info,
1745 .get_srv_inum = smb2_get_srv_inum,
1746 .query_file_info = smb2_query_file_info,
1747 .set_path_size = smb2_set_path_size,
1748 .set_file_size = smb2_set_file_size,
1749 .set_file_info = smb2_set_file_info,
1750 .set_compression = smb2_set_compression,
1751 .mkdir = smb2_mkdir,
1752 .mkdir_setinfo = smb2_mkdir_setinfo,
1753 .rmdir = smb2_rmdir,
1754 .unlink = smb2_unlink,
1755 .rename = smb2_rename_path,
1756 .create_hardlink = smb2_create_hardlink,
1757 .query_symlink = smb2_query_symlink,
1758 .query_mf_symlink = smb3_query_mf_symlink,
1759 .create_mf_symlink = smb3_create_mf_symlink,
1760 .open = smb2_open_file,
1761 .set_fid = smb2_set_fid,
1762 .close = smb2_close_file,
1763 .flush = smb2_flush_file,
1764 .async_readv = smb2_async_readv,
1765 .async_writev = smb2_async_writev,
1766 .sync_read = smb2_sync_read,
1767 .sync_write = smb2_sync_write,
1768 .query_dir_first = smb2_query_dir_first,
1769 .query_dir_next = smb2_query_dir_next,
1770 .close_dir = smb2_close_dir,
1771 .calc_smb_size = smb2_calc_size,
1772 .is_status_pending = smb2_is_status_pending,
1773 .oplock_response = smb2_oplock_response,
1774 .queryfs = smb2_queryfs,
1775 .mand_lock = smb2_mand_lock,
1776 .mand_unlock_range = smb2_unlock_range,
1777 .push_mand_locks = smb2_push_mandatory_locks,
1778 .get_lease_key = smb2_get_lease_key,
1779 .set_lease_key = smb2_set_lease_key,
1780 .new_lease_key = smb2_new_lease_key,
1781 .generate_signingkey = generate_smb30signingkey,
1782 .calc_signature = smb3_calc_signature,
1783 .set_integrity = smb3_set_integrity,
1784 .is_read_op = smb21_is_read_op,
1785 .set_oplock_level = smb3_set_oplock_level,
1786 .create_lease_buf = smb3_create_lease_buf,
1787 .parse_lease_buf = smb3_parse_lease_buf,
1788 .clone_range = smb2_clone_range,
1789 .duplicate_extents = smb2_duplicate_extents,
1790 .validate_negotiate = smb3_validate_negotiate,
1791 .wp_retry_size = smb2_wp_retry_size,
1792 .dir_needs_close = smb2_dir_needs_close,
1793 .fallocate = smb3_fallocate,
1794 .enum_snapshots = smb3_enum_snapshots,
1797 #ifdef CONFIG_CIFS_SMB311
1798 struct smb_version_operations smb311_operations = {
1799 .compare_fids = smb2_compare_fids,
1800 .setup_request = smb2_setup_request,
1801 .setup_async_request = smb2_setup_async_request,
1802 .check_receive = smb2_check_receive,
1803 .add_credits = smb2_add_credits,
1804 .set_credits = smb2_set_credits,
1805 .get_credits_field = smb2_get_credits_field,
1806 .get_credits = smb2_get_credits,
1807 .wait_mtu_credits = smb2_wait_mtu_credits,
1808 .get_next_mid = smb2_get_next_mid,
1809 .read_data_offset = smb2_read_data_offset,
1810 .read_data_length = smb2_read_data_length,
1811 .map_error = map_smb2_to_linux_error,
1812 .find_mid = smb2_find_mid,
1813 .check_message = smb2_check_message,
1814 .dump_detail = smb2_dump_detail,
1815 .clear_stats = smb2_clear_stats,
1816 .print_stats = smb2_print_stats,
1817 .dump_share_caps = smb2_dump_share_caps,
1818 .is_oplock_break = smb2_is_valid_oplock_break,
1819 .downgrade_oplock = smb2_downgrade_oplock,
1820 .need_neg = smb2_need_neg,
1821 .negotiate = smb2_negotiate,
1822 .negotiate_wsize = smb2_negotiate_wsize,
1823 .negotiate_rsize = smb2_negotiate_rsize,
1824 .sess_setup = SMB2_sess_setup,
1825 .logoff = SMB2_logoff,
1826 .tree_connect = SMB2_tcon,
1827 .tree_disconnect = SMB2_tdis,
1828 .qfs_tcon = smb3_qfs_tcon,
1829 .is_path_accessible = smb2_is_path_accessible,
1830 .can_echo = smb2_can_echo,
1832 .query_path_info = smb2_query_path_info,
1833 .get_srv_inum = smb2_get_srv_inum,
1834 .query_file_info = smb2_query_file_info,
1835 .set_path_size = smb2_set_path_size,
1836 .set_file_size = smb2_set_file_size,
1837 .set_file_info = smb2_set_file_info,
1838 .set_compression = smb2_set_compression,
1839 .mkdir = smb2_mkdir,
1840 .mkdir_setinfo = smb2_mkdir_setinfo,
1841 .rmdir = smb2_rmdir,
1842 .unlink = smb2_unlink,
1843 .rename = smb2_rename_path,
1844 .create_hardlink = smb2_create_hardlink,
1845 .query_symlink = smb2_query_symlink,
1846 .query_mf_symlink = smb3_query_mf_symlink,
1847 .create_mf_symlink = smb3_create_mf_symlink,
1848 .open = smb2_open_file,
1849 .set_fid = smb2_set_fid,
1850 .close = smb2_close_file,
1851 .flush = smb2_flush_file,
1852 .async_readv = smb2_async_readv,
1853 .async_writev = smb2_async_writev,
1854 .sync_read = smb2_sync_read,
1855 .sync_write = smb2_sync_write,
1856 .query_dir_first = smb2_query_dir_first,
1857 .query_dir_next = smb2_query_dir_next,
1858 .close_dir = smb2_close_dir,
1859 .calc_smb_size = smb2_calc_size,
1860 .is_status_pending = smb2_is_status_pending,
1861 .oplock_response = smb2_oplock_response,
1862 .queryfs = smb2_queryfs,
1863 .mand_lock = smb2_mand_lock,
1864 .mand_unlock_range = smb2_unlock_range,
1865 .push_mand_locks = smb2_push_mandatory_locks,
1866 .get_lease_key = smb2_get_lease_key,
1867 .set_lease_key = smb2_set_lease_key,
1868 .new_lease_key = smb2_new_lease_key,
1869 .generate_signingkey = generate_smb311signingkey,
1870 .calc_signature = smb3_calc_signature,
1871 .set_integrity = smb3_set_integrity,
1872 .is_read_op = smb21_is_read_op,
1873 .set_oplock_level = smb3_set_oplock_level,
1874 .create_lease_buf = smb3_create_lease_buf,
1875 .parse_lease_buf = smb3_parse_lease_buf,
1876 .clone_range = smb2_clone_range,
1877 .duplicate_extents = smb2_duplicate_extents,
1878 /* .validate_negotiate = smb3_validate_negotiate, */ /* not used in 3.11 */
1879 .wp_retry_size = smb2_wp_retry_size,
1880 .dir_needs_close = smb2_dir_needs_close,
1881 .fallocate = smb3_fallocate,
1882 .enum_snapshots = smb3_enum_snapshots,
1884 #endif /* CIFS_SMB311 */
1886 struct smb_version_values smb20_values = {
1887 .version_string = SMB20_VERSION_STRING,
1888 .protocol_id = SMB20_PROT_ID,
1889 .req_capabilities = 0, /* MBZ */
1890 .large_lock_type = 0,
1891 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
1892 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
1893 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
1894 .header_size = sizeof(struct smb2_hdr),
1895 .max_header_size = MAX_SMB2_HDR_SIZE,
1896 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
1897 .lock_cmd = SMB2_LOCK,
1899 .cap_nt_find = SMB2_NT_FIND,
1900 .cap_large_files = SMB2_LARGE_FILES,
1901 .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
1902 .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
1903 .create_lease_size = sizeof(struct create_lease),
1906 struct smb_version_values smb21_values = {
1907 .version_string = SMB21_VERSION_STRING,
1908 .protocol_id = SMB21_PROT_ID,
1909 .req_capabilities = 0, /* MBZ on negotiate req until SMB3 dialect */
1910 .large_lock_type = 0,
1911 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
1912 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
1913 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
1914 .header_size = sizeof(struct smb2_hdr),
1915 .max_header_size = MAX_SMB2_HDR_SIZE,
1916 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
1917 .lock_cmd = SMB2_LOCK,
1919 .cap_nt_find = SMB2_NT_FIND,
1920 .cap_large_files = SMB2_LARGE_FILES,
1921 .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
1922 .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
1923 .create_lease_size = sizeof(struct create_lease),
1926 struct smb_version_values smb30_values = {
1927 .version_string = SMB30_VERSION_STRING,
1928 .protocol_id = SMB30_PROT_ID,
1929 .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU | SMB2_GLOBAL_CAP_PERSISTENT_HANDLES | SMB2_GLOBAL_CAP_ENCRYPTION,
1930 .large_lock_type = 0,
1931 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
1932 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
1933 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
1934 .header_size = sizeof(struct smb2_hdr),
1935 .max_header_size = MAX_SMB2_HDR_SIZE,
1936 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
1937 .lock_cmd = SMB2_LOCK,
1939 .cap_nt_find = SMB2_NT_FIND,
1940 .cap_large_files = SMB2_LARGE_FILES,
1941 .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
1942 .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
1943 .create_lease_size = sizeof(struct create_lease_v2),
1946 struct smb_version_values smb302_values = {
1947 .version_string = SMB302_VERSION_STRING,
1948 .protocol_id = SMB302_PROT_ID,
1949 .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU | SMB2_GLOBAL_CAP_PERSISTENT_HANDLES | SMB2_GLOBAL_CAP_ENCRYPTION,
1950 .large_lock_type = 0,
1951 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
1952 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
1953 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
1954 .header_size = sizeof(struct smb2_hdr),
1955 .max_header_size = MAX_SMB2_HDR_SIZE,
1956 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
1957 .lock_cmd = SMB2_LOCK,
1959 .cap_nt_find = SMB2_NT_FIND,
1960 .cap_large_files = SMB2_LARGE_FILES,
1961 .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
1962 .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
1963 .create_lease_size = sizeof(struct create_lease_v2),
1966 #ifdef CONFIG_CIFS_SMB311
1967 struct smb_version_values smb311_values = {
1968 .version_string = SMB311_VERSION_STRING,
1969 .protocol_id = SMB311_PROT_ID,
1970 .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU | SMB2_GLOBAL_CAP_PERSISTENT_HANDLES,
1971 .large_lock_type = 0,
1972 .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
1973 .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
1974 .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
1975 .header_size = sizeof(struct smb2_hdr),
1976 .max_header_size = MAX_SMB2_HDR_SIZE,
1977 .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
1978 .lock_cmd = SMB2_LOCK,
1980 .cap_nt_find = SMB2_NT_FIND,
1981 .cap_large_files = SMB2_LARGE_FILES,
1982 .signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
1983 .signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
1984 .create_lease_size = sizeof(struct create_lease_v2),