/* generate new lease key */
void (*new_lease_key)(struct cifs_fid *fid);
int (*generate_signingkey)(struct cifs_ses *);
- int (*calc_signature)(struct smb_rqst *rqst,
- struct TCP_Server_Info *server);
- int (*query_mf_symlink)(const unsigned char *path, char *pbuf,
- unsigned int *pbytes_read, struct cifs_sb_info *cifs_sb,
- unsigned int xid);
+ int (*calc_signature)(struct smb_rqst *, struct TCP_Server_Info *);
+ int (*query_mf_symlink)(const unsigned char *, char *, unsigned int *,
+ struct cifs_sb_info *, unsigned int);
+ /* if we can do cache read operations */
+ bool (*is_read_op)(__u32);
+ /* set oplock level for the inode */
+ void (*set_oplock_level)(struct cifsInodeInfo *, __u32);
};
struct smb_version_values {
unsigned int cap_unix;
unsigned int cap_nt_find;
unsigned int cap_large_files;
- unsigned int oplock_read;
__u16 signing_enabled;
__u16 signing_required;
};
#define CIFS_CACHE_WRITE_FLG 4
#define CIFS_CACHE_READ(cinode) (cinode->oplock & CIFS_CACHE_READ_FLG)
+#define CIFS_CACHE_HANDLE(cinode) (cinode->oplock & CIFS_CACHE_HANDLE_FLG)
#define CIFS_CACHE_WRITE(cinode) (cinode->oplock & CIFS_CACHE_WRITE_FLG)
/*
extern struct smb_version_operations smb1_operations;
extern struct smb_version_values smb1_values;
#define SMB20_VERSION_STRING "2.0"
-/*extern struct smb_version_operations smb20_operations; */ /* not needed yet */
+extern struct smb_version_operations smb20_operations;
extern struct smb_version_values smb20_values;
#define SMB21_VERSION_STRING "2.1"
extern struct smb_version_operations smb21_operations;
__le32
smb2_get_lease_state(struct cifsInodeInfo *cinode)
{
- if (CIFS_CACHE_WRITE(cinode))
- return SMB2_LEASE_WRITE_CACHING | SMB2_LEASE_READ_CACHING;
- else if (CIFS_CACHE_READ(cinode))
- return SMB2_LEASE_READ_CACHING;
- return 0;
-}
+ __le32 lease = 0;
-__u8 smb2_map_lease_to_oplock(__le32 lease_state)
-{
- if (lease_state & SMB2_LEASE_WRITE_CACHING) {
- if (lease_state & SMB2_LEASE_HANDLE_CACHING)
- return SMB2_OPLOCK_LEVEL_BATCH;
- else
- return SMB2_OPLOCK_LEVEL_EXCLUSIVE;
- } else if (lease_state & SMB2_LEASE_READ_CACHING)
- return SMB2_OPLOCK_LEVEL_II;
- return 0;
+ if (CIFS_CACHE_WRITE(cinode))
+ lease |= SMB2_LEASE_WRITE_CACHING;
+ if (CIFS_CACHE_HANDLE(cinode))
+ lease |= SMB2_LEASE_HANDLE_CACHING;
+ if (CIFS_CACHE_READ(cinode))
+ lease |= SMB2_LEASE_READ_CACHING;
+ return lease;
}
struct smb2_lease_break_work {
int ack_req = le32_to_cpu(rsp->Flags &
SMB2_NOTIFY_BREAK_LEASE_FLAG_ACK_REQUIRED);
- lease_state = smb2_map_lease_to_oplock(rsp->NewLeaseState);
+ lease_state = le32_to_cpu(rsp->NewLeaseState);
list_for_each(tmp, &tcon->openFileList) {
cfile = list_entry(tmp, struct cifsFileInfo, tlist);
cifs_dbg(FYI, "lease key match, lease break 0x%d\n",
le32_to_cpu(rsp->NewLeaseState));
- smb2_set_oplock_level(cinode, lease_state);
+ tcon->ses->server->ops->set_oplock_level(cinode, lease_state);
if (ack_req)
cfile->oplock_break_cancelled = false;
else
cfile->oplock_break_cancelled = false;
- smb2_set_oplock_level(cinode,
+ server->ops->set_oplock_level(cinode,
rsp->OplockLevel ? SMB2_OPLOCK_LEVEL_II : 0);
queue_work(cifsiod_wq, &cfile->oplock_break);
smb2_set_fid(struct cifsFileInfo *cfile, struct cifs_fid *fid, __u32 oplock)
{
struct cifsInodeInfo *cinode = CIFS_I(cfile->dentry->d_inode);
+ struct TCP_Server_Info *server = tlink_tcon(cfile->tlink)->ses->server;
+
cfile->fid.persistent_fid = fid->persistent_fid;
cfile->fid.volatile_fid = fid->volatile_fid;
- smb2_set_oplock_level(cinode, oplock);
+ server->ops->set_oplock_level(cinode, oplock);
cinode->can_cache_brlcks = CIFS_CACHE_WRITE(cinode);
}
return rc;
}
-struct smb_version_operations smb21_operations = {
+static void
+smb2_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock)
+{
+ oplock &= 0xFF;
+ if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE)
+ return;
+ if (oplock == SMB2_OPLOCK_LEVEL_BATCH) {
+ cinode->oplock = CIFS_CACHE_READ_FLG | CIFS_CACHE_WRITE_FLG |
+ CIFS_CACHE_HANDLE_FLG;
+ cifs_dbg(FYI, "Batch Oplock granted on inode %p\n",
+ &cinode->vfs_inode);
+ } else if (oplock == SMB2_OPLOCK_LEVEL_EXCLUSIVE) {
+ cinode->oplock = CIFS_CACHE_READ_FLG | CIFS_CACHE_WRITE_FLG;
+ cifs_dbg(FYI, "Exclusive Oplock granted on inode %p\n",
+ &cinode->vfs_inode);
+ } else if (oplock == SMB2_OPLOCK_LEVEL_II) {
+ cinode->oplock = CIFS_CACHE_READ_FLG;
+ cifs_dbg(FYI, "Level II Oplock granted on inode %p\n",
+ &cinode->vfs_inode);
+ } else
+ cinode->oplock = 0;
+}
+
+static void
+smb21_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock)
+{
+ char message[5] = {0};
+
+ oplock &= 0xFF;
+ if (oplock == SMB2_OPLOCK_LEVEL_NOCHANGE)
+ return;
+
+ cinode->oplock = 0;
+ if (oplock & SMB2_LEASE_READ_CACHING_HE) {
+ cinode->oplock |= CIFS_CACHE_READ_FLG;
+ strcat(message, "R");
+ }
+ if (oplock & SMB2_LEASE_HANDLE_CACHING_HE) {
+ cinode->oplock |= CIFS_CACHE_HANDLE_FLG;
+ strcat(message, "H");
+ }
+ if (oplock & SMB2_LEASE_WRITE_CACHING_HE) {
+ cinode->oplock |= CIFS_CACHE_WRITE_FLG;
+ strcat(message, "W");
+ }
+ if (!cinode->oplock)
+ strcat(message, "None");
+ cifs_dbg(FYI, "%s Lease granted on inode %p\n", message,
+ &cinode->vfs_inode);
+}
+
+static bool
+smb2_is_read_op(__u32 oplock)
+{
+ return oplock == SMB2_OPLOCK_LEVEL_II;
+}
+
+static bool
+smb21_is_read_op(__u32 oplock)
+{
+ return (oplock & SMB2_LEASE_READ_CACHING_HE) &&
+ !(oplock & SMB2_LEASE_WRITE_CACHING_HE);
+}
+
+struct smb_version_operations smb20_operations = {
.compare_fids = smb2_compare_fids,
.setup_request = smb2_setup_request,
.setup_async_request = smb2_setup_async_request,
.set_lease_key = smb2_set_lease_key,
.new_lease_key = smb2_new_lease_key,
.calc_signature = smb2_calc_signature,
+ .is_read_op = smb2_is_read_op,
+ .set_oplock_level = smb2_set_oplock_level,
};
+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,
+ .query_symlink = smb2_query_symlink,
+ .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,
+ .is_read_op = smb21_is_read_op,
+ .set_oplock_level = smb21_set_oplock_level,
+};
struct smb_version_operations smb30_operations = {
.compare_fids = smb2_compare_fids,
.new_lease_key = smb2_new_lease_key,
.generate_signingkey = generate_smb3signingkey,
.calc_signature = smb3_calc_signature,
+ .is_read_op = smb21_is_read_op,
+ .set_oplock_level = smb21_set_oplock_level,
};
struct smb_version_values smb20_values = {
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
.cap_large_files = SMB2_LARGE_FILES,
- .oplock_read = SMB2_OPLOCK_LEVEL_II,
.signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
.signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
};
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
.cap_large_files = SMB2_LARGE_FILES,
- .oplock_read = SMB2_OPLOCK_LEVEL_II,
.signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
.signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
};
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
.cap_large_files = SMB2_LARGE_FILES,
- .oplock_read = SMB2_OPLOCK_LEVEL_II,
.signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
.signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
};
.cap_unix = 0,
.cap_nt_find = SMB2_NT_FIND,
.cap_large_files = SMB2_LARGE_FILES,
- .oplock_read = SMB2_OPLOCK_LEVEL_II,
.signing_enabled = SMB2_NEGOTIATE_SIGNING_ENABLED | SMB2_NEGOTIATE_SIGNING_REQUIRED,
.signing_required = SMB2_NEGOTIATE_SIGNING_REQUIRED,
};
projects / firefly-linux-kernel-4.4.55.git / commitdiff