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Diffstat (limited to 'fs/smb/client/cifsglob.h')
-rw-r--r--fs/smb/client/cifsglob.h349
1 files changed, 200 insertions, 149 deletions
diff --git a/fs/smb/client/cifsglob.h b/fs/smb/client/cifsglob.h
index 7ed9d05f6890..89160bc34d35 100644
--- a/fs/smb/client/cifsglob.h
+++ b/fs/smb/client/cifsglob.h
@@ -151,9 +151,17 @@ enum securityEnum {
NTLMv2, /* Legacy NTLM auth with NTLMv2 hash */
RawNTLMSSP, /* NTLMSSP without SPNEGO, NTLMv2 hash */
Kerberos, /* Kerberos via SPNEGO */
+ IAKerb, /* Kerberos proxy */
+};
+
+enum upcall_target_enum {
+ UPTARGET_UNSPECIFIED, /* not specified, defaults to app */
+ UPTARGET_MOUNT, /* upcall to the mount namespace */
+ UPTARGET_APP, /* upcall to the application namespace which did the mount */
};
enum cifs_reparse_type {
+ CIFS_REPARSE_TYPE_NONE,
CIFS_REPARSE_TYPE_NFS,
CIFS_REPARSE_TYPE_WSL,
CIFS_REPARSE_TYPE_DEFAULT = CIFS_REPARSE_TYPE_NFS,
@@ -162,6 +170,8 @@ enum cifs_reparse_type {
static inline const char *cifs_reparse_type_str(enum cifs_reparse_type type)
{
switch (type) {
+ case CIFS_REPARSE_TYPE_NONE:
+ return "none";
case CIFS_REPARSE_TYPE_NFS:
return "nfs";
case CIFS_REPARSE_TYPE_WSL:
@@ -171,6 +181,39 @@ static inline const char *cifs_reparse_type_str(enum cifs_reparse_type type)
}
}
+enum cifs_symlink_type {
+ CIFS_SYMLINK_TYPE_DEFAULT,
+ CIFS_SYMLINK_TYPE_NONE,
+ CIFS_SYMLINK_TYPE_NATIVE,
+ CIFS_SYMLINK_TYPE_UNIX,
+ CIFS_SYMLINK_TYPE_MFSYMLINKS,
+ CIFS_SYMLINK_TYPE_SFU,
+ CIFS_SYMLINK_TYPE_NFS,
+ CIFS_SYMLINK_TYPE_WSL,
+};
+
+static inline const char *cifs_symlink_type_str(enum cifs_symlink_type type)
+{
+ switch (type) {
+ case CIFS_SYMLINK_TYPE_NONE:
+ return "none";
+ case CIFS_SYMLINK_TYPE_NATIVE:
+ return "native";
+ case CIFS_SYMLINK_TYPE_UNIX:
+ return "unix";
+ case CIFS_SYMLINK_TYPE_MFSYMLINKS:
+ return "mfsymlinks";
+ case CIFS_SYMLINK_TYPE_SFU:
+ return "sfu";
+ case CIFS_SYMLINK_TYPE_NFS:
+ return "nfs";
+ case CIFS_SYMLINK_TYPE_WSL:
+ return "wsl";
+ default:
+ return "unknown";
+ }
+}
+
struct session_key {
unsigned int len;
char *response;
@@ -178,7 +221,6 @@ struct session_key {
/* crypto hashing related structure/fields, not specific to a sec mech */
struct cifs_secmech {
- struct shash_desc *hmacmd5; /* hmacmd5 hash function, for NTLMv2/CR1 hashes */
struct shash_desc *md5; /* md5 hash function, for CIFS/SMB1 signatures */
struct shash_desc *hmacsha256; /* hmac-sha256 hash function, for SMB2 signatures */
struct shash_desc *sha512; /* sha512 hash function, for SMB3.1.1 preauth hash */
@@ -202,18 +244,16 @@ struct cifs_cred {
int gid;
int mode;
int cecount;
- struct cifs_sid osid;
- struct cifs_sid gsid;
+ struct smb_sid osid;
+ struct smb_sid gsid;
struct cifs_ntace *ntaces;
- struct cifs_ace *aces;
+ struct smb_ace *aces;
};
struct cifs_open_info_data {
bool adjust_tz;
- union {
- bool reparse_point;
- bool symlink;
- };
+ bool reparse_point;
+ bool contains_posix_file_info;
struct {
/* ioctl response buffer */
struct {
@@ -221,18 +261,15 @@ struct cifs_open_info_data {
struct kvec iov;
} io;
__u32 tag;
- union {
- struct reparse_data_buffer *buf;
- struct reparse_posix_data *posix;
- };
+ struct reparse_data_buffer *buf;
} reparse;
struct {
__u8 eas[SMB2_WSL_MAX_QUERY_EA_RESP_SIZE];
unsigned int eas_len;
} wsl;
char *symlink_target;
- struct cifs_sid posix_owner;
- struct cifs_sid posix_group;
+ struct smb_sid posix_owner;
+ struct smb_sid posix_group;
union {
struct smb2_file_all_info fi;
struct smb311_posix_qinfo posix_fi;
@@ -254,9 +291,8 @@ struct cifs_open_info_data {
struct smb_rqst {
struct kvec *rq_iov; /* array of kvecs */
unsigned int rq_nvec; /* number of kvecs in array */
- size_t rq_iter_size; /* Amount of data in ->rq_iter */
struct iov_iter rq_iter; /* Data iterator */
- struct xarray rq_buffer; /* Page buffer for encryption */
+ struct folio_queue *rq_buffer; /* Buffer for encryption */
};
struct mid_q_entry;
@@ -268,8 +304,7 @@ struct dfs_info3_param;
struct cifs_fattr;
struct smb3_fs_context;
struct cifs_fid;
-struct cifs_readdata;
-struct cifs_writedata;
+struct cifs_io_subrequest;
struct cifs_io_parms;
struct cifs_search_info;
struct cifsInodeInfo;
@@ -291,7 +326,7 @@ struct smb_version_operations {
int (*check_receive)(struct mid_q_entry *, struct TCP_Server_Info *,
bool);
void (*add_credits)(struct TCP_Server_Info *server,
- const struct cifs_credits *credits,
+ struct cifs_credits *credits,
const int optype);
void (*set_credits)(struct TCP_Server_Info *, const int);
int * (*get_credits_field)(struct TCP_Server_Info *, const int);
@@ -323,7 +358,7 @@ struct smb_version_operations {
int (*handle_cancelled_mid)(struct mid_q_entry *, struct TCP_Server_Info *);
void (*downgrade_oplock)(struct TCP_Server_Info *server,
struct cifsInodeInfo *cinode, __u32 oplock,
- unsigned int epoch, bool *purge_cache);
+ __u16 epoch, bool *purge_cache);
/* process transaction2 response */
bool (*check_trans2)(struct mid_q_entry *, struct TCP_Server_Info *,
char *, int);
@@ -346,7 +381,7 @@ struct smb_version_operations {
/* connect to a server share */
int (*tree_connect)(const unsigned int, struct cifs_ses *, const char *,
struct cifs_tcon *, const struct nls_table *);
- /* close tree connecion */
+ /* close tree connection */
int (*tree_disconnect)(const unsigned int, struct cifs_tcon *);
/* get DFS referrals */
int (*get_dfs_refer)(const unsigned int, struct cifs_ses *,
@@ -442,18 +477,17 @@ struct smb_version_operations {
/* set fid protocol-specific info */
void (*set_fid)(struct cifsFileInfo *, struct cifs_fid *, __u32);
/* close a file */
- void (*close)(const unsigned int, struct cifs_tcon *,
+ int (*close)(const unsigned int, struct cifs_tcon *,
struct cifs_fid *);
/* close a file, returning file attributes and timestamps */
- void (*close_getattr)(const unsigned int xid, struct cifs_tcon *tcon,
+ int (*close_getattr)(const unsigned int xid, struct cifs_tcon *tcon,
struct cifsFileInfo *pfile_info);
/* send a flush request to the server */
int (*flush)(const unsigned int, struct cifs_tcon *, struct cifs_fid *);
/* async read from the server */
- int (*async_readv)(struct cifs_readdata *);
+ int (*async_readv)(struct cifs_io_subrequest *);
/* async write to the server */
- int (*async_writev)(struct cifs_writedata *,
- void (*release)(struct kref *));
+ void (*async_writev)(struct cifs_io_subrequest *);
/* sync read from the server */
int (*sync_read)(const unsigned int, struct cifs_fid *,
struct cifs_io_parms *, unsigned int *, char **,
@@ -485,7 +519,7 @@ struct smb_version_operations {
__u16 net_fid, struct cifsInodeInfo *cifs_inode);
/* query remote filesystem */
int (*queryfs)(const unsigned int, struct cifs_tcon *,
- struct cifs_sb_info *, struct kstatfs *);
+ const char *, struct cifs_sb_info *, struct kstatfs *);
/* send mandatory brlock to the server */
int (*mand_lock)(const unsigned int, struct cifsFileInfo *, __u64,
__u64, __u32, int, int, bool);
@@ -519,12 +553,12 @@ struct smb_version_operations {
/* 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, unsigned int,
- bool *);
+ void (*set_oplock_level)(struct cifsInodeInfo *cinode, __u32 oplock, __u16 epoch,
+ bool *purge_cache);
/* create lease context buffer for CREATE request */
- char * (*create_lease_buf)(u8 *lease_key, u8 oplock);
+ char * (*create_lease_buf)(u8 *lease_key, u8 oplock, u8 *parent_lease_key, __le32 le_flags);
/* parse lease context buffer and return oplock/epoch info */
- __u8 (*parse_lease_buf)(void *buf, unsigned int *epoch, char *lkey);
+ __u8 (*parse_lease_buf)(void *buf, __u16 *epoch, char *lkey);
ssize_t (*copychunk_range)(const unsigned int,
struct cifsFileInfo *src_file,
struct cifsFileInfo *target_file,
@@ -539,26 +573,26 @@ struct smb_version_operations {
int (*set_EA)(const unsigned int, struct cifs_tcon *, const char *,
const char *, const void *, const __u16,
const struct nls_table *, struct cifs_sb_info *);
- struct cifs_ntsd * (*get_acl)(struct cifs_sb_info *, struct inode *,
- const char *, u32 *, u32);
- struct cifs_ntsd * (*get_acl_by_fid)(struct cifs_sb_info *,
- const struct cifs_fid *, u32 *, u32);
- int (*set_acl)(struct cifs_ntsd *, __u32, struct inode *, const char *,
- int);
+ struct smb_ntsd * (*get_acl)(struct cifs_sb_info *cifssb, struct inode *ino,
+ const char *patch, u32 *plen, u32 info);
+ struct smb_ntsd * (*get_acl_by_fid)(struct cifs_sb_info *cifssmb,
+ const struct cifs_fid *pfid, u32 *plen, u32 info);
+ int (*set_acl)(struct smb_ntsd *pntsd, __u32 len, struct inode *ino, const char *path,
+ int flag);
/* writepages retry size */
unsigned int (*wp_retry_size)(struct inode *);
/* get mtu credits */
- int (*wait_mtu_credits)(struct TCP_Server_Info *, unsigned int,
- unsigned int *, struct cifs_credits *);
+ int (*wait_mtu_credits)(struct TCP_Server_Info *, size_t,
+ size_t *, struct cifs_credits *);
/* adjust previously taken mtu credits to request size */
int (*adjust_credits)(struct TCP_Server_Info *server,
- struct cifs_credits *credits,
- const unsigned int payload_size);
+ struct cifs_io_subrequest *subreq,
+ unsigned int /*enum smb3_rw_credits_trace*/ trace);
/* check if we need to issue closedir */
bool (*dir_needs_close)(struct cifsFileInfo *);
long (*fallocate)(struct file *, struct cifs_tcon *, int, loff_t,
loff_t);
- /* init transform request - used for encryption for now */
+ /* init transform (compress/encrypt) request */
int (*init_transform_rq)(struct TCP_Server_Info *, int num_rqst,
struct smb_rqst *, struct smb_rqst *);
int (*is_transform_hdr)(void *buf);
@@ -591,9 +625,8 @@ struct smb_version_operations {
bool (*is_status_io_timeout)(char *buf);
/* Check for STATUS_NETWORK_NAME_DELETED */
bool (*is_network_name_deleted)(char *buf, struct TCP_Server_Info *srv);
- int (*parse_reparse_point)(struct cifs_sb_info *cifs_sb,
- struct kvec *rsp_iov,
- struct cifs_open_info_data *data);
+ struct reparse_data_buffer * (*get_reparse_point_buffer)(const struct kvec *rsp_iov,
+ u32 *plen);
int (*create_reparse_symlink)(const unsigned int xid,
struct inode *inode,
struct dentry *dentry,
@@ -618,6 +651,7 @@ struct smb_version_values {
unsigned int cap_unix;
unsigned int cap_nt_find;
unsigned int cap_large_files;
+ unsigned int cap_unicode;
__u16 signing_enabled;
__u16 signing_required;
size_t create_lease_size;
@@ -675,9 +709,12 @@ inc_rfc1001_len(void *buf, int count)
struct TCP_Server_Info {
struct list_head tcp_ses_list;
struct list_head smb_ses_list;
+ struct list_head rlist; /* reconnect list */
spinlock_t srv_lock; /* protect anything here that is not protected */
__u64 conn_id; /* connection identifier (useful for debugging) */
int srv_count; /* reference counter */
+ int rfc1001_sessinit; /* whether to estasblish netbios session */
+ bool with_rfc1001; /* if netbios session is used */
/* 15 character server name + 0x20 16th byte indicating type = srv */
char server_RFC1001_name[RFC1001_NAME_LEN_WITH_NULL];
struct smb_version_operations *ops;
@@ -737,8 +774,10 @@ struct TCP_Server_Info {
char workstation_RFC1001_name[RFC1001_NAME_LEN_WITH_NULL];
__u32 sequence_number; /* for signing, protected by srv_mutex */
__u32 reconnect_instance; /* incremented on each reconnect */
+ __le32 session_key_id; /* retrieved from negotiate response and send in session setup request */
struct session_key session_key;
unsigned long lstrp; /* when we got last response from this server */
+ unsigned long neg_start; /* when negotiate started (jiffies) */
struct cifs_secmech secmech; /* crypto sec mech functs, descriptors */
#define CIFS_NEGFLAVOR_UNENCAP 1 /* wct == 17, but no ext_sec */
#define CIFS_NEGFLAVOR_EXTENDED 2 /* wct == 17, ext_sec bit set */
@@ -748,6 +787,7 @@ struct TCP_Server_Info {
bool sec_kerberosu2u; /* supports U2U Kerberos */
bool sec_kerberos; /* supports plain Kerberos */
bool sec_mskerberos; /* supports legacy MS Kerberos */
+ bool sec_iakerb; /* supports pass-through auth for Kerberos (krb5 proxy) */
bool large_buf; /* is current buffer large? */
/* use SMBD connection instead of socket */
bool rdma;
@@ -779,7 +819,7 @@ struct TCP_Server_Info {
} compression;
__u16 signing_algorithm;
__le16 cipher_type;
- /* save initital negprot hash */
+ /* save initial negprot hash */
__u8 preauth_sha_hash[SMB2_PREAUTH_HASH_SIZE];
bool signing_negotiated; /* true if valid signing context rcvd from server */
bool posix_ext_supported;
@@ -808,22 +848,15 @@ struct TCP_Server_Info {
bool use_swn_dstaddr;
struct sockaddr_storage swn_dstaddr;
#endif
- struct mutex refpath_lock; /* protects leaf_fullpath */
/*
- * leaf_fullpath: Canonical DFS referral path related to this
- * connection.
- * It is used in DFS cache refresher, reconnect and may
- * change due to nested DFS links.
- *
- * Protected by @refpath_lock and @srv_lock. The @refpath_lock is
- * mostly used for not requiring a copy of @leaf_fullpath when getting
- * cached or new DFS referrals (which might also sleep during I/O).
- * While @srv_lock is held for making string and NULL comparions against
- * both fields as in mount(2) and cache refresh.
+ * Canonical DFS referral path used in cifs_reconnect() for failover as
+ * well as in DFS cache refresher.
*
* format: \\HOST\SHARE[\OPTIONAL PATH]
*/
char *leaf_fullpath;
+ bool dfs_conn:1;
+ char dns_dom[CIFS_MAX_DOMAINNAME_LEN + 1];
};
static inline bool is_smb1(struct TCP_Server_Info *server)
@@ -850,6 +883,9 @@ static inline void cifs_server_unlock(struct TCP_Server_Info *server)
struct cifs_credits {
unsigned int value;
unsigned int instance;
+ unsigned int in_flight_check;
+ unsigned int rreq_debug_id;
+ unsigned int rreq_debug_index;
};
static inline unsigned int
@@ -875,7 +911,7 @@ has_credits(struct TCP_Server_Info *server, int *credits, int num_credits)
}
static inline void
-add_credits(struct TCP_Server_Info *server, const struct cifs_credits *credits,
+add_credits(struct TCP_Server_Info *server, struct cifs_credits *credits,
const int optype)
{
server->ops->add_credits(server, credits, optype);
@@ -883,11 +919,12 @@ add_credits(struct TCP_Server_Info *server, const struct cifs_credits *credits,
static inline void
add_credits_and_wake_if(struct TCP_Server_Info *server,
- const struct cifs_credits *credits, const int optype)
+ struct cifs_credits *credits, const int optype)
{
if (credits->value) {
server->ops->add_credits(server, credits, optype);
wake_up(&server->request_q);
+ credits->value = 0;
}
}
@@ -898,11 +935,11 @@ set_credits(struct TCP_Server_Info *server, const int val)
}
static inline int
-adjust_credits(struct TCP_Server_Info *server, struct cifs_credits *credits,
- const unsigned int payload_size)
+adjust_credits(struct TCP_Server_Info *server, struct cifs_io_subrequest *subreq,
+ unsigned int /* enum smb3_rw_credits_trace */ trace)
{
return server->ops->adjust_credits ?
- server->ops->adjust_credits(server, credits, payload_size) : 0;
+ server->ops->adjust_credits(server, subreq, trace) : 0;
}
static inline __le64
@@ -1050,6 +1087,7 @@ struct cifs_chan {
};
#define CIFS_SES_FLAG_SCALE_CHANNELS (0x1)
+#define CIFS_SES_FLAGS_PENDING_QUERY_INTERFACES (0x2)
/*
* Session structure. One of these for each uid session with a particular host
@@ -1058,6 +1096,7 @@ struct cifs_ses {
struct list_head smb_ses_list;
struct list_head rlist; /* reconnect list */
struct list_head tcon_list;
+ struct list_head dlist; /* dfs list */
struct cifs_tcon *tcon_ipc;
spinlock_t ses_lock; /* protect anything here that is not protected */
struct mutex session_mutex;
@@ -1077,13 +1116,16 @@ struct cifs_ses {
and after mount option parsing we fill it */
char *domainName;
char *password;
+ char *password2; /* When key rotation used, new password may be set before it expires */
char workstation_name[CIFS_MAX_WORKSTATION_LEN];
struct session_key auth_key;
struct ntlmssp_auth *ntlmssp; /* ciphertext, flags, server challenge */
enum securityEnum sectype; /* what security flavor was specified? */
+ enum upcall_target_enum upcall_target; /* what upcall target was specified? */
bool sign; /* is signing required? */
bool domainAuto:1;
bool expired_pwd; /* track if access denied or expired pwd so can know if need to update */
+ int unicode;
unsigned int flags;
__u16 session_flags;
__u8 smb3signingkey[SMB3_SIGN_KEY_SIZE];
@@ -1143,6 +1185,7 @@ struct cifs_ses {
/* ========= end: protected by chan_lock ======== */
struct cifs_ses *dfs_root_ses;
struct nls_table *local_nls;
+ char *dns_dom; /* FQDN of the domain */
};
static inline bool
@@ -1189,6 +1232,7 @@ struct cifs_fattr {
*/
struct cifs_tcon {
struct list_head tcon_list;
+ int debug_id; /* Debugging for tracing */
int tc_count;
struct list_head rlist; /* reconnect list */
spinlock_t tc_lock; /* protect anything here that is not protected */
@@ -1260,6 +1304,7 @@ struct cifs_tcon {
bool use_persistent:1; /* use persistent instead of durable handles */
bool no_lease:1; /* Do not request leases on files or directories */
bool use_witness:1; /* use witness protocol */
+ bool dummy:1; /* dummy tcon used for reconnecting channels */
__le32 capabilities;
__u32 share_flags;
__u32 maximal_access;
@@ -1275,14 +1320,17 @@ struct cifs_tcon {
__u32 max_cached_dirs;
#ifdef CONFIG_CIFS_FSCACHE
u64 resource_id; /* server resource id */
+ bool fscache_acquired; /* T if we've tried acquiring a cookie */
struct fscache_volume *fscache; /* cookie for share */
+ struct mutex fscache_lock; /* Prevent regetting a cookie */
#endif
struct list_head pending_opens; /* list of incomplete opens */
struct cached_fids *cfids;
- /* BB add field for back pointer to sb struct(s)? */
+ struct list_head cifs_sb_list;
+ spinlock_t sb_list_lock;
#ifdef CONFIG_CIFS_DFS_UPCALL
- struct list_head dfs_ses_list;
struct delayed_work dfs_cache_work;
+ struct list_head dfs_ses_list;
#endif
struct delayed_work query_interfaces; /* query interfaces workqueue job */
char *origin_fullpath; /* canonical copy of smb3_fs_context::source */
@@ -1398,6 +1446,7 @@ struct cifs_open_parms {
bool reconnect:1;
bool replay:1; /* indicates that this open is for a replay */
struct kvec *ea_cctx;
+ __le32 lease_flags;
};
struct cifs_fid {
@@ -1405,10 +1454,11 @@ struct cifs_fid {
__u64 persistent_fid; /* persist file id for smb2 */
__u64 volatile_fid; /* volatile file id for smb2 */
__u8 lease_key[SMB2_LEASE_KEY_SIZE]; /* lease key for smb2 */
+ __u8 parent_lease_key[SMB2_LEASE_KEY_SIZE];
__u8 create_guid[16];
__u32 access;
struct cifs_pending_open *pending_open;
- unsigned int epoch;
+ __u16 epoch;
#ifdef CONFIG_CIFS_DEBUG2
__u64 mid;
#endif /* CIFS_DEBUG2 */
@@ -1440,7 +1490,8 @@ struct cifsFileInfo {
bool swapfile:1;
bool oplock_break_cancelled:1;
bool status_file_deleted:1; /* file has been deleted */
- unsigned int oplock_epoch; /* epoch from the lease break */
+ bool offload:1; /* offload final part of _put to a wq */
+ __u16 oplock_epoch; /* epoch from the lease break */
__u32 oplock_level; /* oplock/lease level from the lease break */
int count;
spinlock_t file_info_lock; /* protects four flag/count fields above */
@@ -1448,6 +1499,7 @@ struct cifsFileInfo {
struct cifs_search_info srch_inf;
struct work_struct oplock_break; /* work for oplock breaks */
struct work_struct put; /* work for the final part of _put */
+ struct work_struct serverclose; /* work for serverclose */
struct delayed_work deferred;
bool deferred_close_scheduled; /* Flag to indicate close is scheduled */
char *symlink_target;
@@ -1464,44 +1516,24 @@ struct cifs_io_parms {
struct TCP_Server_Info *server;
};
-struct cifs_aio_ctx {
- struct kref refcount;
- struct list_head list;
- struct mutex aio_mutex;
- struct completion done;
- struct iov_iter iter;
- struct kiocb *iocb;
- struct cifsFileInfo *cfile;
- struct bio_vec *bv;
- loff_t pos;
- unsigned int nr_pinned_pages;
- ssize_t rc;
- unsigned int len;
- unsigned int total_len;
- unsigned int bv_need_unpin; /* If ->bv[] needs unpinning */
- bool should_dirty;
- /*
- * Indicates if this aio_ctx is for direct_io,
- * If yes, iter is a copy of the user passed iov_iter
- */
- bool direct_io;
+struct cifs_io_request {
+ struct netfs_io_request rreq;
+ struct cifsFileInfo *cfile;
+ pid_t pid;
};
/* asynchronous read support */
-struct cifs_readdata {
- struct kref refcount;
- struct list_head list;
- struct completion done;
- struct cifsFileInfo *cfile;
- struct address_space *mapping;
- struct cifs_aio_ctx *ctx;
- __u64 offset;
+struct cifs_io_subrequest {
+ union {
+ struct netfs_io_subrequest subreq;
+ struct netfs_io_request *rreq;
+ struct cifs_io_request *req;
+ };
ssize_t got_bytes;
- unsigned int bytes;
- pid_t pid;
+ unsigned int xid;
int result;
- struct work_struct work;
- struct iov_iter iter;
+ bool have_xid;
+ bool replay;
struct kvec iov[2];
struct TCP_Server_Info *server;
#ifdef CONFIG_CIFS_SMB_DIRECT
@@ -1510,29 +1542,6 @@ struct cifs_readdata {
struct cifs_credits credits;
};
-/* asynchronous write support */
-struct cifs_writedata {
- struct kref refcount;
- struct list_head list;
- struct completion done;
- enum writeback_sync_modes sync_mode;
- struct work_struct work;
- struct cifsFileInfo *cfile;
- struct cifs_aio_ctx *ctx;
- struct iov_iter iter;
- struct bio_vec *bv;
- __u64 offset;
- pid_t pid;
- unsigned int bytes;
- int result;
- struct TCP_Server_Info *server;
-#ifdef CONFIG_CIFS_SMB_DIRECT
- struct smbd_mr *mr;
-#endif
- struct cifs_credits credits;
- bool replay;
-};
-
/*
* Take a reference on the file private data. Must be called with
* cfile->file_info_lock held.
@@ -1578,14 +1587,13 @@ struct cifsInodeInfo {
spinlock_t open_file_lock; /* protects openFileList */
__u32 cifsAttrs; /* e.g. DOS archive bit, sparse, compressed, system */
unsigned int oplock; /* oplock/lease level we have */
- unsigned int epoch; /* used to track lease state changes */
+ __u16 epoch; /* used to track lease state changes */
#define CIFS_INODE_PENDING_OPLOCK_BREAK (0) /* oplock break in progress */
#define CIFS_INODE_PENDING_WRITERS (1) /* Writes in progress */
#define CIFS_INODE_FLAG_UNUSED (2) /* Unused flag */
#define CIFS_INO_DELETE_PENDING (3) /* delete pending on server */
#define CIFS_INO_INVALID_MAPPING (4) /* pagecache is invalid */
#define CIFS_INO_LOCK (5) /* lock bit for synchronization */
-#define CIFS_INO_MODIFIED_ATTR (6) /* Indicate change in mtime/ctime */
#define CIFS_INO_CLOSE_ON_LOCK (7) /* Not to defer the close when lock is set */
unsigned long flags;
spinlock_t writers_lock;
@@ -1718,6 +1726,7 @@ struct mid_q_entry {
void *resp_buf; /* pointer to received SMB header */
unsigned int resp_buf_size;
int mid_state; /* wish this were enum but can not pass to wait_event */
+ int mid_rc; /* rc for MID_RC */
unsigned int mid_flags;
__le16 command; /* smb command code */
unsigned int optype; /* operation type */
@@ -1804,7 +1813,6 @@ struct cifs_mount_ctx {
struct TCP_Server_Info *server;
struct cifs_ses *ses;
struct cifs_tcon *tcon;
- struct list_head dfs_ses_list;
};
static inline void __free_dfs_info_param(struct dfs_info3_param *param)
@@ -1881,6 +1889,7 @@ static inline bool is_replayable_error(int error)
#define MID_RESPONSE_MALFORMED 0x10
#define MID_SHUTDOWN 0x20
#define MID_RESPONSE_READY 0x40 /* ready for other process handle the rsp */
+#define MID_RC 0x80 /* mid_rc contains custom rc */
/* Flags */
#define MID_WAIT_CANCELLED 1 /* Cancelled while waiting for response */
@@ -1912,12 +1921,13 @@ static inline bool is_replayable_error(int error)
#define CIFS_HAS_CREDITS 0x0400 /* already has credits */
#define CIFS_TRANSFORM_REQ 0x0800 /* transform request before sending */
#define CIFS_NO_SRV_RSP 0x1000 /* there is no server response */
+#define CIFS_COMPRESS_REQ 0x4000 /* compress request before sending */
/* Security Flags: indicate type of session setup needed */
#define CIFSSEC_MAY_SIGN 0x00001
#define CIFSSEC_MAY_NTLMV2 0x00004
#define CIFSSEC_MAY_KRB5 0x00008
-#define CIFSSEC_MAY_SEAL 0x00040 /* not supported yet */
+#define CIFSSEC_MAY_SEAL 0x00040
#define CIFSSEC_MAY_NTLMSSP 0x00080 /* raw ntlmssp with ntlmv2 */
#define CIFSSEC_MUST_SIGN 0x01001
@@ -1927,15 +1937,15 @@ require use of the stronger protocol */
#define CIFSSEC_MUST_NTLMV2 0x04004
#define CIFSSEC_MUST_KRB5 0x08008
#ifdef CONFIG_CIFS_UPCALL
-#define CIFSSEC_MASK 0x8F08F /* flags supported if no weak allowed */
+#define CIFSSEC_MASK 0xCF0CF /* flags supported if no weak allowed */
#else
-#define CIFSSEC_MASK 0x87087 /* flags supported if no weak allowed */
+#define CIFSSEC_MASK 0xC70C7 /* flags supported if no weak allowed */
#endif /* UPCALL */
-#define CIFSSEC_MUST_SEAL 0x40040 /* not supported yet */
+#define CIFSSEC_MUST_SEAL 0x40040
#define CIFSSEC_MUST_NTLMSSP 0x80080 /* raw ntlmssp with ntlmv2 */
-#define CIFSSEC_DEF (CIFSSEC_MAY_SIGN | CIFSSEC_MAY_NTLMV2 | CIFSSEC_MAY_NTLMSSP)
-#define CIFSSEC_MAX (CIFSSEC_MUST_NTLMV2)
+#define CIFSSEC_DEF (CIFSSEC_MAY_SIGN | CIFSSEC_MAY_NTLMV2 | CIFSSEC_MAY_NTLMSSP | CIFSSEC_MAY_SEAL)
+#define CIFSSEC_MAX (CIFSSEC_MAY_SIGN | CIFSSEC_MUST_KRB5 | CIFSSEC_MAY_SEAL)
#define CIFSSEC_AUTH_MASK (CIFSSEC_MAY_NTLMV2 | CIFSSEC_MAY_KRB5 | CIFSSEC_MAY_NTLMSSP)
/*
*****************************************************************
@@ -1985,8 +1995,7 @@ require use of the stronger protocol */
* TCP_Server_Info-> TCP_Server_Info cifs_get_tcp_session
* reconnect_mutex
* TCP_Server_Info->srv_mutex TCP_Server_Info cifs_get_tcp_session
- * cifs_ses->session_mutex cifs_ses sesInfoAlloc
- * cifs_tcon
+ * cifs_ses->session_mutex cifs_ses sesInfoAlloc
* cifs_tcon->open_file_lock cifs_tcon->openFileList tconInfoAlloc
* cifs_tcon->pending_opens
* cifs_tcon->stat_lock cifs_tcon->bytes_read tconInfoAlloc
@@ -2005,24 +2014,28 @@ require use of the stronger protocol */
* ->oplock_credits
* ->reconnect_instance
* cifs_ses->ses_lock (anything that is not protected by another lock and can change)
+ * sesInfoAlloc
* cifs_ses->iface_lock cifs_ses->iface_list sesInfoAlloc
* ->iface_count
* ->iface_last_update
- * cifs_ses->chan_lock cifs_ses->chans
+ * cifs_ses->chan_lock cifs_ses->chans sesInfoAlloc
* ->chans_need_reconnect
* ->chans_in_reconnect
* cifs_tcon->tc_lock (anything that is not protected by another lock and can change)
+ * tcon_info_alloc
+ * inode->i_rwsem, taken by fs/netfs/locking.c e.g. should be taken before cifsInodeInfo locks
* cifsInodeInfo->open_file_lock cifsInodeInfo->openFileList cifs_alloc_inode
* cifsInodeInfo->writers_lock cifsInodeInfo->writers cifsInodeInfo_alloc
* cifsInodeInfo->lock_sem cifsInodeInfo->llist cifs_init_once
* ->can_cache_brlcks
* cifsInodeInfo->deferred_lock cifsInodeInfo->deferred_closes cifsInodeInfo_alloc
- * cached_fid->fid_mutex cifs_tcon->crfid tcon_info_alloc
- * cifsFileInfo->fh_mutex cifsFileInfo cifs_new_fileinfo
+ * cached_fids->cfid_list_lock cifs_tcon->cfids->entries init_cached_dirs
+ * cached_fid->fid_lock (anything that is not protected by another lock and can change)
+ * init_cached_dir
+ * cifsFileInfo->fh_mutex cifsFileInfo cifs_new_fileinfo
* cifsFileInfo->file_info_lock cifsFileInfo->count cifs_new_fileinfo
* ->invalidHandle initiate_cifs_search
* ->oplock_break_cancelled
- * cifs_aio_ctx->aio_mutex cifs_aio_ctx cifs_aio_ctx_alloc
****************************************************************************/
#ifdef DECLARE_GLOBALS_HERE
@@ -2053,9 +2066,9 @@ extern spinlock_t cifs_tcp_ses_lock;
/*
* Global transaction id (XID) information
*/
-extern unsigned int GlobalCurrentXid; /* protected by GlobalMid_Sem */
-extern unsigned int GlobalTotalActiveXid; /* prot by GlobalMid_Sem */
-extern unsigned int GlobalMaxActiveXid; /* prot by GlobalMid_Sem */
+extern unsigned int GlobalCurrentXid; /* protected by GlobalMid_Lock */
+extern unsigned int GlobalTotalActiveXid; /* prot by GlobalMid_Lock */
+extern unsigned int GlobalMaxActiveXid; /* prot by GlobalMid_Lock */
extern spinlock_t GlobalMid_Lock; /* protects above & list operations on midQ entries */
/*
@@ -2105,11 +2118,15 @@ extern struct workqueue_struct *decrypt_wq;
extern struct workqueue_struct *fileinfo_put_wq;
extern struct workqueue_struct *cifsoplockd_wq;
extern struct workqueue_struct *deferredclose_wq;
+extern struct workqueue_struct *serverclose_wq;
+extern struct workqueue_struct *cfid_put_wq;
extern __u32 cifs_lock_secret;
extern mempool_t *cifs_sm_req_poolp;
extern mempool_t *cifs_req_poolp;
extern mempool_t *cifs_mid_poolp;
+extern mempool_t cifs_io_request_pool;
+extern mempool_t cifs_io_subrequest_pool;
/* Operations for different SMB versions */
#define SMB1_VERSION_STRING "1.0"
@@ -2148,6 +2165,8 @@ static inline char *get_security_type_str(enum securityEnum sectype)
return "Kerberos";
case NTLMv2:
return "NTLMv2";
+ case IAKerb:
+ return "IAKerb";
default:
return "Unknown";
}
@@ -2203,11 +2222,13 @@ static inline size_t ntlmssp_workstation_name_size(const struct cifs_ses *ses)
static inline void move_cifs_info_to_smb2(struct smb2_file_all_info *dst, const FILE_ALL_INFO *src)
{
- memcpy(dst, src, (size_t)((u8 *)&src->AccessFlags - (u8 *)src));
- dst->AccessFlags = src->AccessFlags;
- dst->CurrentByteOffset = src->CurrentByteOffset;
- dst->Mode = src->Mode;
- dst->AlignmentRequirement = src->AlignmentRequirement;
+ memcpy(dst, src, (size_t)((u8 *)&src->EASize - (u8 *)src));
+ dst->IndexNumber = 0;
+ dst->EASize = src->EASize;
+ dst->AccessFlags = 0;
+ dst->CurrentByteOffset = 0;
+ dst->Mode = 0;
+ dst->AlignmentRequirement = 0;
dst->FileNameLength = src->FileNameLength;
}
@@ -2255,7 +2276,7 @@ static inline int cifs_get_num_sgs(const struct smb_rqst *rqst,
struct kvec *iov = &rqst[i].rq_iov[j];
addr = (unsigned long)iov->iov_base + skip;
- if (unlikely(is_vmalloc_addr((void *)addr))) {
+ if (is_vmalloc_or_module_addr((void *)addr)) {
len = iov->iov_len - skip;
nents += DIV_ROUND_UP(offset_in_page(addr) + len,
PAGE_SIZE);
@@ -2282,7 +2303,7 @@ static inline void cifs_sg_set_buf(struct sg_table *sgtable,
unsigned int off = offset_in_page(addr);
addr &= PAGE_MASK;
- if (unlikely(is_vmalloc_addr((void *)addr))) {
+ if (is_vmalloc_or_module_addr((void *)addr)) {
do {
unsigned int len = min_t(unsigned int, buflen, PAGE_SIZE - off);
@@ -2319,9 +2340,39 @@ struct smb2_compound_vars {
struct kvec io_iov[SMB2_IOCTL_IOV_SIZE];
struct kvec si_iov[SMB2_SET_INFO_IOV_SIZE];
struct kvec close_iov;
- struct smb2_file_rename_info rename_info;
- struct smb2_file_link_info link_info;
+ struct smb2_file_rename_info_hdr rename_info;
+ struct smb2_file_link_info_hdr link_info;
struct kvec ea_iov;
};
+static inline bool cifs_ses_exiting(struct cifs_ses *ses)
+{
+ bool ret;
+
+ spin_lock(&ses->ses_lock);
+ ret = ses->ses_status == SES_EXITING;
+ spin_unlock(&ses->ses_lock);
+ return ret;
+}
+
+static inline bool cifs_netbios_name(const char *name, size_t namelen)
+{
+ bool ret = false;
+ size_t i;
+
+ if (namelen >= 1 && namelen <= RFC1001_NAME_LEN) {
+ for (i = 0; i < namelen; i++) {
+ const unsigned char c = name[i];
+
+ if (c == '\\' || c == '/' || c == ':' || c == '*' ||
+ c == '?' || c == '"' || c == '<' || c == '>' ||
+ c == '|' || c == '.')
+ return false;
+ if (!ret && isalpha(c))
+ ret = true;
+ }
+ }
+ return ret;
+}
+
#endif /* _CIFS_GLOB_H */
generated by cgit (git 2.34.1) at 2025-07-23 22:27:48 +0000