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Diffstat (limited to 'fs/cifs/cifsglob.h')
-rw-r--r--fs/cifs/cifsglob.h43
1 files changed, 39 insertions, 4 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 1efa2e65bc1a..c923c7854027 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -33,6 +33,9 @@
#define CIFS_MAGIC_NUMBER 0xFF534D42 /* the first four bytes of SMB PDUs */
+#define CIFS_PORT 445
+#define RFC1001_PORT 139
+
/*
* The sizes of various internal tables and strings
*/
@@ -312,6 +315,10 @@ struct smb_version_operations {
/* send echo request */
int (*echo)(struct TCP_Server_Info *);
/* create directory */
+ int (*posix_mkdir)(const unsigned int xid, struct inode *inode,
+ umode_t mode, struct cifs_tcon *tcon,
+ const char *full_path,
+ struct cifs_sb_info *cifs_sb);
int (*mkdir)(const unsigned int, struct cifs_tcon *, const char *,
struct cifs_sb_info *);
/* set info on created directory */
@@ -416,7 +423,7 @@ struct smb_version_operations {
void (*set_oplock_level)(struct cifsInodeInfo *, __u32, unsigned int,
bool *);
/* create lease context buffer for CREATE request */
- char * (*create_lease_buf)(u8 *, u8);
+ char * (*create_lease_buf)(u8 *lease_key, u8 oplock);
/* parse lease context buffer and return oplock/epoch info */
__u8 (*parse_lease_buf)(void *buf, unsigned int *epoch, char *lkey);
ssize_t (*copychunk_range)(const unsigned int,
@@ -838,6 +845,13 @@ static inline void cifs_set_net_ns(struct TCP_Server_Info *srv, struct net *net)
#endif
+struct cifs_server_iface {
+ size_t speed;
+ unsigned int rdma_capable : 1;
+ unsigned int rss_capable : 1;
+ struct sockaddr_storage sockaddr;
+};
+
/*
* Session structure. One of these for each uid session with a particular host
*/
@@ -875,6 +889,20 @@ struct cifs_ses {
#ifdef CONFIG_CIFS_SMB311
__u8 preauth_sha_hash[SMB2_PREAUTH_HASH_SIZE];
#endif /* 3.1.1 */
+
+ /*
+ * Network interfaces available on the server this session is
+ * connected to.
+ *
+ * Other channels can be opened by connecting and binding this
+ * session to interfaces from this list.
+ *
+ * iface_lock should be taken when accessing any of these fields
+ */
+ spinlock_t iface_lock;
+ struct cifs_server_iface *iface_list;
+ size_t iface_count;
+ unsigned long iface_last_update; /* jiffies */
};
static inline bool
@@ -883,6 +911,14 @@ cap_unix(struct cifs_ses *ses)
return ses->server->vals->cap_unix & ses->capabilities;
}
+struct cached_fid {
+ bool is_valid:1; /* Do we have a useable root fid */
+ struct cifs_fid *fid;
+ struct mutex fid_mutex;
+ struct cifs_tcon *tcon;
+ struct work_struct lease_break;
+};
+
/*
* there is one of these for each connection to a resource on a particular
* session
@@ -987,9 +1023,7 @@ struct cifs_tcon {
struct fscache_cookie *fscache; /* cookie for share */
#endif
struct list_head pending_opens; /* list of incomplete opens */
- bool valid_root_fid:1; /* Do we have a useable root fid */
- struct mutex prfid_mutex; /* prevents reopen race after dead ses*/
- struct cifs_fid *prfid; /* handle to the directory at top of share */
+ struct cached_fid crfid; /* Cached root fid */
/* BB add field for back pointer to sb struct(s)? */
};
@@ -1382,6 +1416,7 @@ typedef int (mid_handle_t)(struct TCP_Server_Info *server,
/* one of these for every pending CIFS request to the server */
struct mid_q_entry {
struct list_head qhead; /* mids waiting on reply from this server */
+ struct kref refcount;
struct TCP_Server_Info *server; /* server corresponding to this mid */
__u64 mid; /* multiplex id */
__u32 pid; /* process id */