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-rw-r--r--fs/cifs/smb2ops.c720
1 files changed, 720 insertions, 0 deletions
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index f065e89756a..c9c7aa7ed96 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -17,11 +17,731 @@
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
+#include <linux/pagemap.h>
+#include <linux/vfs.h>
#include "cifsglob.h"
+#include "smb2pdu.h"
+#include "smb2proto.h"
+#include "cifsproto.h"
+#include "cifs_debug.h"
+#include "smb2status.h"
+#include "smb2glob.h"
+
+static int
+change_conf(struct TCP_Server_Info *server)
+{
+ server->credits += server->echo_credits + server->oplock_credits;
+ server->oplock_credits = server->echo_credits = 0;
+ switch (server->credits) {
+ case 0:
+ return -1;
+ case 1:
+ server->echoes = false;
+ server->oplocks = false;
+ cERROR(1, "disabling echoes and oplocks");
+ break;
+ case 2:
+ server->echoes = true;
+ server->oplocks = false;
+ server->echo_credits = 1;
+ cFYI(1, "disabling oplocks");
+ break;
+ default:
+ server->echoes = true;
+ server->oplocks = true;
+ server->echo_credits = 1;
+ server->oplock_credits = 1;
+ }
+ server->credits -= server->echo_credits + server->oplock_credits;
+ return 0;
+}
+
+static void
+smb2_add_credits(struct TCP_Server_Info *server, const unsigned int add,
+ const int optype)
+{
+ int *val, rc = 0;
+ spin_lock(&server->req_lock);
+ val = server->ops->get_credits_field(server, optype);
+ *val += add;
+ server->in_flight--;
+ if (server->in_flight == 0 && (optype & CIFS_OP_MASK) != CIFS_NEG_OP)
+ rc = change_conf(server);
+ /*
+ * Sometimes server returns 0 credits on oplock break ack - we need to
+ * rebalance credits in this case.
+ */
+ else if (server->in_flight > 0 && server->oplock_credits == 0 &&
+ server->oplocks) {
+ if (server->credits > 1) {
+ server->credits--;
+ server->oplock_credits++;
+ }
+ }
+ spin_unlock(&server->req_lock);
+ wake_up(&server->request_q);
+ if (rc)
+ cifs_reconnect(server);
+}
+
+static void
+smb2_set_credits(struct TCP_Server_Info *server, const int val)
+{
+ spin_lock(&server->req_lock);
+ server->credits = val;
+ spin_unlock(&server->req_lock);
+}
+
+static int *
+smb2_get_credits_field(struct TCP_Server_Info *server, const int optype)
+{
+ switch (optype) {
+ case CIFS_ECHO_OP:
+ return &server->echo_credits;
+ case CIFS_OBREAK_OP:
+ return &server->oplock_credits;
+ default:
+ return &server->credits;
+ }
+}
+
+static unsigned int
+smb2_get_credits(struct mid_q_entry *mid)
+{
+ return le16_to_cpu(((struct smb2_hdr *)mid->resp_buf)->CreditRequest);
+}
+
+static __u64
+smb2_get_next_mid(struct TCP_Server_Info *server)
+{
+ __u64 mid;
+ /* for SMB2 we need the current value */
+ spin_lock(&GlobalMid_Lock);
+ mid = server->CurrentMid++;
+ spin_unlock(&GlobalMid_Lock);
+ return mid;
+}
+
+static struct mid_q_entry *
+smb2_find_mid(struct TCP_Server_Info *server, char *buf)
+{
+ struct mid_q_entry *mid;
+ struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
+
+ spin_lock(&GlobalMid_Lock);
+ list_for_each_entry(mid, &server->pending_mid_q, qhead) {
+ if ((mid->mid == hdr->MessageId) &&
+ (mid->mid_state == MID_REQUEST_SUBMITTED) &&
+ (mid->command == hdr->Command)) {
+ spin_unlock(&GlobalMid_Lock);
+ return mid;
+ }
+ }
+ spin_unlock(&GlobalMid_Lock);
+ return NULL;
+}
+
+static void
+smb2_dump_detail(void *buf)
+{
+#ifdef CONFIG_CIFS_DEBUG2
+ struct smb2_hdr *smb = (struct smb2_hdr *)buf;
+
+ cERROR(1, "Cmd: %d Err: 0x%x Flags: 0x%x Mid: %llu Pid: %d",
+ smb->Command, smb->Status, smb->Flags, smb->MessageId,
+ smb->ProcessId);
+ cERROR(1, "smb buf %p len %u", smb, smb2_calc_size(smb));
+#endif
+}
+
+static bool
+smb2_need_neg(struct TCP_Server_Info *server)
+{
+ return server->max_read == 0;
+}
+
+static int
+smb2_negotiate(const unsigned int xid, struct cifs_ses *ses)
+{
+ int rc;
+ ses->server->CurrentMid = 0;
+ rc = SMB2_negotiate(xid, ses);
+ /* BB we probably don't need to retry with modern servers */
+ if (rc == -EAGAIN)
+ rc = -EHOSTDOWN;
+ return rc;
+}
+
+static unsigned int
+smb2_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
+{
+ struct TCP_Server_Info *server = tcon->ses->server;
+ unsigned int wsize;
+
+ /* start with specified wsize, or default */
+ wsize = volume_info->wsize ? volume_info->wsize : CIFS_DEFAULT_IOSIZE;
+ wsize = min_t(unsigned int, wsize, server->max_write);
+ /*
+ * limit write size to 2 ** 16, because we don't support multicredit
+ * requests now.
+ */
+ wsize = min_t(unsigned int, wsize, 2 << 15);
+
+ return wsize;
+}
+
+static unsigned int
+smb2_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *volume_info)
+{
+ struct TCP_Server_Info *server = tcon->ses->server;
+ unsigned int rsize;
+
+ /* start with specified rsize, or default */
+ rsize = volume_info->rsize ? volume_info->rsize : CIFS_DEFAULT_IOSIZE;
+ rsize = min_t(unsigned int, rsize, server->max_read);
+ /*
+ * limit write size to 2 ** 16, because we don't support multicredit
+ * requests now.
+ */
+ rsize = min_t(unsigned int, rsize, 2 << 15);
+
+ return rsize;
+}
+
+static int
+smb2_is_path_accessible(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_sb_info *cifs_sb, const char *full_path)
+{
+ int rc;
+ __u64 persistent_fid, volatile_fid;
+ __le16 *utf16_path;
+ __u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
+
+ utf16_path = cifs_convert_path_to_utf16(full_path, cifs_sb);
+ if (!utf16_path)
+ return -ENOMEM;
+
+ rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid,
+ FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0, &oplock, NULL);
+ if (rc) {
+ kfree(utf16_path);
+ return rc;
+ }
+
+ rc = SMB2_close(xid, tcon, persistent_fid, volatile_fid);
+ kfree(utf16_path);
+ return rc;
+}
+
+static int
+smb2_get_srv_inum(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_sb_info *cifs_sb, const char *full_path,
+ u64 *uniqueid, FILE_ALL_INFO *data)
+{
+ *uniqueid = le64_to_cpu(data->IndexNumber);
+ return 0;
+}
+
+static int
+smb2_query_file_info(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_fid *fid, FILE_ALL_INFO *data)
+{
+ int rc;
+ struct smb2_file_all_info *smb2_data;
+
+ smb2_data = kzalloc(sizeof(struct smb2_file_all_info) + MAX_NAME * 2,
+ GFP_KERNEL);
+ if (smb2_data == NULL)
+ return -ENOMEM;
+
+ rc = SMB2_query_info(xid, tcon, fid->persistent_fid, fid->volatile_fid,
+ smb2_data);
+ if (!rc)
+ move_smb2_info_to_cifs(data, smb2_data);
+ kfree(smb2_data);
+ return rc;
+}
+
+static bool
+smb2_can_echo(struct TCP_Server_Info *server)
+{
+ return server->echoes;
+}
+
+static void
+smb2_clear_stats(struct cifs_tcon *tcon)
+{
+#ifdef CONFIG_CIFS_STATS
+ int i;
+ for (i = 0; i < NUMBER_OF_SMB2_COMMANDS; i++) {
+ atomic_set(&tcon->stats.smb2_stats.smb2_com_sent[i], 0);
+ atomic_set(&tcon->stats.smb2_stats.smb2_com_failed[i], 0);
+ }
+#endif
+}
+
+static void
+smb2_print_stats(struct seq_file *m, struct cifs_tcon *tcon)
+{
+#ifdef CONFIG_CIFS_STATS
+ atomic_t *sent = tcon->stats.smb2_stats.smb2_com_sent;
+ atomic_t *failed = tcon->stats.smb2_stats.smb2_com_failed;
+ seq_printf(m, "\nNegotiates: %d sent %d failed",
+ atomic_read(&sent[SMB2_NEGOTIATE_HE]),
+ atomic_read(&failed[SMB2_NEGOTIATE_HE]));
+ seq_printf(m, "\nSessionSetups: %d sent %d failed",
+ atomic_read(&sent[SMB2_SESSION_SETUP_HE]),
+ atomic_read(&failed[SMB2_SESSION_SETUP_HE]));
+#define SMB2LOGOFF 0x0002 /* trivial request/resp */
+ seq_printf(m, "\nLogoffs: %d sent %d failed",
+ atomic_read(&sent[SMB2_LOGOFF_HE]),
+ atomic_read(&failed[SMB2_LOGOFF_HE]));
+ seq_printf(m, "\nTreeConnects: %d sent %d failed",
+ atomic_read(&sent[SMB2_TREE_CONNECT_HE]),
+ atomic_read(&failed[SMB2_TREE_CONNECT_HE]));
+ seq_printf(m, "\nTreeDisconnects: %d sent %d failed",
+ atomic_read(&sent[SMB2_TREE_DISCONNECT_HE]),
+ atomic_read(&failed[SMB2_TREE_DISCONNECT_HE]));
+ seq_printf(m, "\nCreates: %d sent %d failed",
+ atomic_read(&sent[SMB2_CREATE_HE]),
+ atomic_read(&failed[SMB2_CREATE_HE]));
+ seq_printf(m, "\nCloses: %d sent %d failed",
+ atomic_read(&sent[SMB2_CLOSE_HE]),
+ atomic_read(&failed[SMB2_CLOSE_HE]));
+ seq_printf(m, "\nFlushes: %d sent %d failed",
+ atomic_read(&sent[SMB2_FLUSH_HE]),
+ atomic_read(&failed[SMB2_FLUSH_HE]));
+ seq_printf(m, "\nReads: %d sent %d failed",
+ atomic_read(&sent[SMB2_READ_HE]),
+ atomic_read(&failed[SMB2_READ_HE]));
+ seq_printf(m, "\nWrites: %d sent %d failed",
+ atomic_read(&sent[SMB2_WRITE_HE]),
+ atomic_read(&failed[SMB2_WRITE_HE]));
+ seq_printf(m, "\nLocks: %d sent %d failed",
+ atomic_read(&sent[SMB2_LOCK_HE]),
+ atomic_read(&failed[SMB2_LOCK_HE]));
+ seq_printf(m, "\nIOCTLs: %d sent %d failed",
+ atomic_read(&sent[SMB2_IOCTL_HE]),
+ atomic_read(&failed[SMB2_IOCTL_HE]));
+ seq_printf(m, "\nCancels: %d sent %d failed",
+ atomic_read(&sent[SMB2_CANCEL_HE]),
+ atomic_read(&failed[SMB2_CANCEL_HE]));
+ seq_printf(m, "\nEchos: %d sent %d failed",
+ atomic_read(&sent[SMB2_ECHO_HE]),
+ atomic_read(&failed[SMB2_ECHO_HE]));
+ seq_printf(m, "\nQueryDirectories: %d sent %d failed",
+ atomic_read(&sent[SMB2_QUERY_DIRECTORY_HE]),
+ atomic_read(&failed[SMB2_QUERY_DIRECTORY_HE]));
+ seq_printf(m, "\nChangeNotifies: %d sent %d failed",
+ atomic_read(&sent[SMB2_CHANGE_NOTIFY_HE]),
+ atomic_read(&failed[SMB2_CHANGE_NOTIFY_HE]));
+ seq_printf(m, "\nQueryInfos: %d sent %d failed",
+ atomic_read(&sent[SMB2_QUERY_INFO_HE]),
+ atomic_read(&failed[SMB2_QUERY_INFO_HE]));
+ seq_printf(m, "\nSetInfos: %d sent %d failed",
+ atomic_read(&sent[SMB2_SET_INFO_HE]),
+ atomic_read(&failed[SMB2_SET_INFO_HE]));
+ seq_printf(m, "\nOplockBreaks: %d sent %d failed",
+ atomic_read(&sent[SMB2_OPLOCK_BREAK_HE]),
+ atomic_read(&failed[SMB2_OPLOCK_BREAK_HE]));
+#endif
+}
+
+static void
+smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock)
+{
+ struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode);
+ cfile->fid.persistent_fid = fid->persistent_fid;
+ cfile->fid.volatile_fid = fid->volatile_fid;
+ smb2_set_oplock_level(cinode, oplock);
+ cinode->can_cache_brlcks = cinode->clientCanCacheAll;
+}
+
+static void
+smb2_close_file(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_fid *fid)
+{
+ SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
+}
+
+static int
+smb2_flush_file(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_fid *fid)
+{
+ return SMB2_flush(xid, tcon, fid->persistent_fid, fid->volatile_fid);
+}
+
+static unsigned int
+smb2_read_data_offset(char *buf)
+{
+ struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf;
+ return rsp->DataOffset;
+}
+
+static unsigned int
+smb2_read_data_length(char *buf)
+{
+ struct smb2_read_rsp *rsp = (struct smb2_read_rsp *)buf;
+ return le32_to_cpu(rsp->DataLength);
+}
+
+
+static int
+smb2_sync_read(const unsigned int xid, struct cifsFileInfo *cfile,
+ struct cifs_io_parms *parms, unsigned int *bytes_read,
+ char **buf, int *buf_type)
+{
+ parms->persistent_fid = cfile->fid.persistent_fid;
+ parms->volatile_fid = cfile->fid.volatile_fid;
+ return SMB2_read(xid, parms, bytes_read, buf, buf_type);
+}
+
+static int
+smb2_sync_write(const unsigned int xid, struct cifsFileInfo *cfile,
+ struct cifs_io_parms *parms, unsigned int *written,
+ struct kvec *iov, unsigned long nr_segs)
+{
+
+ parms->persistent_fid = cfile->fid.persistent_fid;
+ parms->volatile_fid = cfile->fid.volatile_fid;
+ return SMB2_write(xid, parms, written, iov, nr_segs);
+}
+
+static int
+smb2_set_file_size(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifsFileInfo *cfile, __u64 size, bool set_alloc)
+{
+ __le64 eof = cpu_to_le64(size);
+ return SMB2_set_eof(xid, tcon, cfile->fid.persistent_fid,
+ cfile->fid.volatile_fid, cfile->pid, &eof);
+}
+
+static int
+smb2_query_dir_first(const unsigned int xid, struct cifs_tcon *tcon,
+ const char *path, struct cifs_sb_info *cifs_sb,
+ struct cifs_fid *fid, __u16 search_flags,
+ struct cifs_search_info *srch_inf)
+{
+ __le16 *utf16_path;
+ int rc;
+ __u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
+ __u64 persistent_fid, volatile_fid;
+
+ utf16_path = cifs_convert_path_to_utf16(path, cifs_sb);
+ if (!utf16_path)
+ return -ENOMEM;
+
+ rc = SMB2_open(xid, tcon, utf16_path, &persistent_fid, &volatile_fid,
+ FILE_READ_ATTRIBUTES | FILE_READ_DATA, FILE_OPEN, 0, 0,
+ &oplock, NULL);
+ kfree(utf16_path);
+ if (rc) {
+ cERROR(1, "open dir failed");
+ return rc;
+ }
+
+ srch_inf->entries_in_buffer = 0;
+ srch_inf->index_of_last_entry = 0;
+ fid->persistent_fid = persistent_fid;
+ fid->volatile_fid = volatile_fid;
+
+ rc = SMB2_query_directory(xid, tcon, persistent_fid, volatile_fid, 0,
+ srch_inf);
+ if (rc) {
+ cERROR(1, "query directory failed");
+ SMB2_close(xid, tcon, persistent_fid, volatile_fid);
+ }
+ return rc;
+}
+
+static int
+smb2_query_dir_next(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_fid *fid, __u16 search_flags,
+ struct cifs_search_info *srch_inf)
+{
+ return SMB2_query_directory(xid, tcon, fid->persistent_fid,
+ fid->volatile_fid, 0, srch_inf);
+}
+
+static int
+smb2_close_dir(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_fid *fid)
+{
+ return SMB2_close(xid, tcon, fid->persistent_fid, fid->volatile_fid);
+}
+
+/*
+* If we negotiate SMB2 protocol and get STATUS_PENDING - update
+* the number of credits and return true. Otherwise - return false.
+*/
+static bool
+smb2_is_status_pending(char *buf, struct TCP_Server_Info *server, int length)
+{
+ struct smb2_hdr *hdr = (struct smb2_hdr *)buf;
+
+ if (hdr->Status != STATUS_PENDING)
+ return false;
+
+ if (!length) {
+ spin_lock(&server->req_lock);
+ server->credits += le16_to_cpu(hdr->CreditRequest);
+ spin_unlock(&server->req_lock);
+ wake_up(&server->request_q);
+ }
+
+ return true;
+}
+
+static int
+smb2_oplock_response(struct cifs_tcon *tcon, struct cifs_fid *fid,
+ struct cifsInodeInfo *cinode)
+{
+ if (tcon->ses->server->capabilities & SMB2_GLOBAL_CAP_LEASING)
+ return SMB2_lease_break(0, tcon, cinode->lease_key,
+ smb2_get_lease_state(cinode));
+
+ return SMB2_oplock_break(0, tcon, fid->persistent_fid,
+ fid->volatile_fid,
+ cinode->clientCanCacheRead ? 1 : 0);
+}
+
+static int
+smb2_queryfs(const unsigned int xid, struct cifs_tcon *tcon,
+ struct kstatfs *buf)
+{
+ int rc;
+ u64 persistent_fid, volatile_fid;
+ __le16 srch_path = 0; /* Null - open root of share */
+ u8 oplock = SMB2_OPLOCK_LEVEL_NONE;
+
+ rc = SMB2_open(xid, tcon, &srch_path, &persistent_fid, &volatile_fid,
+ FILE_READ_ATTRIBUTES, FILE_OPEN, 0, 0, &oplock, NULL);
+ if (rc)
+ return rc;
+ buf->f_type = SMB2_MAGIC_NUMBER;
+ rc = SMB2_QFS_info(xid, tcon, persistent_fid, volatile_fid, buf);
+ SMB2_close(xid, tcon, persistent_fid, volatile_fid);
+ return rc;
+}
+
+static bool
+smb2_compare_fids(struct cifsFileInfo *ob1, struct cifsFileInfo *ob2)
+{
+ return ob1->fid.persistent_fid == ob2->fid.persistent_fid &&
+ ob1->fid.volatile_fid == ob2->fid.volatile_fid;
+}
+
+static int
+smb2_mand_lock(const unsigned int xid, struct cifsFileInfo *cfile, __u64 offset,
+ __u64 length, __u32 type, int lock, int unlock, bool wait)
+{
+ if (unlock && !lock)
+ type = SMB2_LOCKFLAG_UNLOCK;
+ return SMB2_lock(xid, tlink_tcon(cfile->tlink),
+ cfile->fid.persistent_fid, cfile->fid.volatile_fid,
+ current->tgid, length, offset, type, wait);
+}
+
+static void
+smb2_get_lease_key(struct inode *inode, struct cifs_fid *fid)
+{
+ memcpy(fid->lease_key, CIFS_I(inode)->lease_key, SMB2_LEASE_KEY_SIZE);
+}
+
+static void
+smb2_set_lease_key(struct inode *inode, struct cifs_fid *fid)
+{
+ memcpy(CIFS_I(inode)->lease_key, fid->lease_key, SMB2_LEASE_KEY_SIZE);
+}
+
+static void
+smb2_new_lease_key(struct cifs_fid *fid)
+{
+ get_random_bytes(fid->lease_key, SMB2_LEASE_KEY_SIZE);
+}
struct smb_version_operations smb21_operations = {
+ .compare_fids = smb2_compare_fids,
+ .setup_request = smb2_setup_request,
+ .setup_async_request = smb2_setup_async_request,
+ .check_receive = smb2_check_receive,
+ .add_credits = smb2_add_credits,
+ .set_credits = smb2_set_credits,
+ .get_credits_field = smb2_get_credits_field,
+ .get_credits = smb2_get_credits,
+ .get_next_mid = smb2_get_next_mid,
+ .read_data_offset = smb2_read_data_offset,
+ .read_data_length = smb2_read_data_length,
+ .map_error = map_smb2_to_linux_error,
+ .find_mid = smb2_find_mid,
+ .check_message = smb2_check_message,
+ .dump_detail = smb2_dump_detail,
+ .clear_stats = smb2_clear_stats,
+ .print_stats = smb2_print_stats,
+ .is_oplock_break = smb2_is_valid_oplock_break,
+ .need_neg = smb2_need_neg,
+ .negotiate = smb2_negotiate,
+ .negotiate_wsize = smb2_negotiate_wsize,
+ .negotiate_rsize = smb2_negotiate_rsize,
+ .sess_setup = SMB2_sess_setup,
+ .logoff = SMB2_logoff,
+ .tree_connect = SMB2_tcon,
+ .tree_disconnect = SMB2_tdis,
+ .is_path_accessible = smb2_is_path_accessible,
+ .can_echo = smb2_can_echo,
+ .echo = SMB2_echo,
+ .query_path_info = smb2_query_path_info,
+ .get_srv_inum = smb2_get_srv_inum,
+ .query_file_info = smb2_query_file_info,
+ .set_path_size = smb2_set_path_size,
+ .set_file_size = smb2_set_file_size,
+ .set_file_info = smb2_set_file_info,
+ .mkdir = smb2_mkdir,
+ .mkdir_setinfo = smb2_mkdir_setinfo,
+ .rmdir = smb2_rmdir,
+ .unlink = smb2_unlink,
+ .rename = smb2_rename_path,
+ .create_hardlink = smb2_create_hardlink,
+ .open = smb2_open_file,
+ .set_fid = smb2_set_fid,
+ .close = smb2_close_file,
+ .flush = smb2_flush_file,
+ .async_readv = smb2_async_readv,
+ .async_writev = smb2_async_writev,
+ .sync_read = smb2_sync_read,
+ .sync_write = smb2_sync_write,
+ .query_dir_first = smb2_query_dir_first,
+ .query_dir_next = smb2_query_dir_next,
+ .close_dir = smb2_close_dir,
+ .calc_smb_size = smb2_calc_size,
+ .is_status_pending = smb2_is_status_pending,
+ .oplock_response = smb2_oplock_response,
+ .queryfs = smb2_queryfs,
+ .mand_lock = smb2_mand_lock,
+ .mand_unlock_range = smb2_unlock_range,
+ .push_mand_locks = smb2_push_mandatory_locks,
+ .get_lease_key = smb2_get_lease_key,
+ .set_lease_key = smb2_set_lease_key,
+ .new_lease_key = smb2_new_lease_key,
+ .calc_signature = smb2_calc_signature,
+};
+
+
+struct smb_version_operations smb30_operations = {
+ .compare_fids = smb2_compare_fids,
+ .setup_request = smb2_setup_request,
+ .setup_async_request = smb2_setup_async_request,
+ .check_receive = smb2_check_receive,
+ .add_credits = smb2_add_credits,
+ .set_credits = smb2_set_credits,
+ .get_credits_field = smb2_get_credits_field,
+ .get_credits = smb2_get_credits,
+ .get_next_mid = smb2_get_next_mid,
+ .read_data_offset = smb2_read_data_offset,
+ .read_data_length = smb2_read_data_length,
+ .map_error = map_smb2_to_linux_error,
+ .find_mid = smb2_find_mid,
+ .check_message = smb2_check_message,
+ .dump_detail = smb2_dump_detail,
+ .clear_stats = smb2_clear_stats,
+ .print_stats = smb2_print_stats,
+ .is_oplock_break = smb2_is_valid_oplock_break,
+ .need_neg = smb2_need_neg,
+ .negotiate = smb2_negotiate,
+ .negotiate_wsize = smb2_negotiate_wsize,
+ .negotiate_rsize = smb2_negotiate_rsize,
+ .sess_setup = SMB2_sess_setup,
+ .logoff = SMB2_logoff,
+ .tree_connect = SMB2_tcon,
+ .tree_disconnect = SMB2_tdis,
+ .is_path_accessible = smb2_is_path_accessible,
+ .can_echo = smb2_can_echo,
+ .echo = SMB2_echo,
+ .query_path_info = smb2_query_path_info,
+ .get_srv_inum = smb2_get_srv_inum,
+ .query_file_info = smb2_query_file_info,
+ .set_path_size = smb2_set_path_size,
+ .set_file_size = smb2_set_file_size,
+ .set_file_info = smb2_set_file_info,
+ .mkdir = smb2_mkdir,
+ .mkdir_setinfo = smb2_mkdir_setinfo,
+ .rmdir = smb2_rmdir,
+ .unlink = smb2_unlink,
+ .rename = smb2_rename_path,
+ .create_hardlink = smb2_create_hardlink,
+ .open = smb2_open_file,
+ .set_fid = smb2_set_fid,
+ .close = smb2_close_file,
+ .flush = smb2_flush_file,
+ .async_readv = smb2_async_readv,
+ .async_writev = smb2_async_writev,
+ .sync_read = smb2_sync_read,
+ .sync_write = smb2_sync_write,
+ .query_dir_first = smb2_query_dir_first,
+ .query_dir_next = smb2_query_dir_next,
+ .close_dir = smb2_close_dir,
+ .calc_smb_size = smb2_calc_size,
+ .is_status_pending = smb2_is_status_pending,
+ .oplock_response = smb2_oplock_response,
+ .queryfs = smb2_queryfs,
+ .mand_lock = smb2_mand_lock,
+ .mand_unlock_range = smb2_unlock_range,
+ .push_mand_locks = smb2_push_mandatory_locks,
+ .get_lease_key = smb2_get_lease_key,
+ .set_lease_key = smb2_set_lease_key,
+ .new_lease_key = smb2_new_lease_key,
+ .calc_signature = smb3_calc_signature,
+};
+
+struct smb_version_values smb20_values = {
+ .version_string = SMB20_VERSION_STRING,
+ .protocol_id = SMB20_PROT_ID,
+ .req_capabilities = 0, /* MBZ */
+ .large_lock_type = 0,
+ .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
+ .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
+ .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
+ .header_size = sizeof(struct smb2_hdr),
+ .max_header_size = MAX_SMB2_HDR_SIZE,
+ .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .lock_cmd = SMB2_LOCK,
+ .cap_unix = 0,
+ .cap_nt_find = SMB2_NT_FIND,
+ .cap_large_files = SMB2_LARGE_FILES,
+ .oplock_read = SMB2_OPLOCK_LEVEL_II,
};
struct smb_version_values smb21_values = {
.version_string = SMB21_VERSION_STRING,
+ .protocol_id = SMB21_PROT_ID,
+ .req_capabilities = 0, /* MBZ on negotiate req until SMB3 dialect */
+ .large_lock_type = 0,
+ .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
+ .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
+ .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
+ .header_size = sizeof(struct smb2_hdr),
+ .max_header_size = MAX_SMB2_HDR_SIZE,
+ .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .lock_cmd = SMB2_LOCK,
+ .cap_unix = 0,
+ .cap_nt_find = SMB2_NT_FIND,
+ .cap_large_files = SMB2_LARGE_FILES,
+ .oplock_read = SMB2_OPLOCK_LEVEL_II,
+};
+
+struct smb_version_values smb30_values = {
+ .version_string = SMB30_VERSION_STRING,
+ .protocol_id = SMB30_PROT_ID,
+ .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU,
+ .large_lock_type = 0,
+ .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
+ .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
+ .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
+ .header_size = sizeof(struct smb2_hdr),
+ .max_header_size = MAX_SMB2_HDR_SIZE,
+ .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .lock_cmd = SMB2_LOCK,
+ .cap_unix = 0,
+ .cap_nt_find = SMB2_NT_FIND,
+ .cap_large_files = SMB2_LARGE_FILES,
};