diff options
Diffstat (limited to 'fs/cifs/cifsglob.h')
| -rw-r--r-- | fs/cifs/cifsglob.h | 90 |
1 files changed, 73 insertions, 17 deletions
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index cb950a5fa078..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 */ @@ -176,6 +179,7 @@ struct smb_rqst { struct kvec *rq_iov; /* array of kvecs */ unsigned int rq_nvec; /* number of kvecs in array */ struct page **rq_pages; /* pointer to array of page ptrs */ + unsigned int rq_offset; /* the offset to the 1st page */ unsigned int rq_npages; /* number pages in array */ unsigned int rq_pagesz; /* page size to use */ unsigned int rq_tailsz; /* length of last page */ @@ -244,7 +248,7 @@ struct smb_version_operations { int (*map_error)(char *, bool); /* find mid corresponding to the response message */ struct mid_q_entry * (*find_mid)(struct TCP_Server_Info *, char *); - void (*dump_detail)(void *); + void (*dump_detail)(void *buf, struct TCP_Server_Info *ptcp_info); void (*clear_stats)(struct cifs_tcon *); void (*print_stats)(struct seq_file *m, struct cifs_tcon *); void (*dump_share_caps)(struct seq_file *, struct cifs_tcon *); @@ -311,6 +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 */ @@ -372,7 +380,7 @@ struct smb_version_operations { int (*close_dir)(const unsigned int, struct cifs_tcon *, struct cifs_fid *); /* calculate a size of SMB message */ - unsigned int (*calc_smb_size)(void *); + unsigned int (*calc_smb_size)(void *buf, struct TCP_Server_Info *ptcpi); /* check for STATUS_PENDING and process it in a positive case */ bool (*is_status_pending)(char *, struct TCP_Server_Info *, int); /* check for STATUS_NETWORK_SESSION_EXPIRED */ @@ -415,9 +423,9 @@ 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 *, unsigned int *); + __u8 (*parse_lease_buf)(void *buf, unsigned int *epoch, char *lkey); ssize_t (*copychunk_range)(const unsigned int, struct cifsFileInfo *src_file, struct cifsFileInfo *target_file, @@ -457,7 +465,7 @@ struct smb_version_operations { struct mid_q_entry **); enum securityEnum (*select_sectype)(struct TCP_Server_Info *, enum securityEnum); - + int (*next_header)(char *); }; struct smb_version_values { @@ -521,10 +529,12 @@ struct smb_vol { bool sfu_remap:1; /* remap seven reserved chars ala SFU */ bool posix_paths:1; /* unset to not ask for posix pathnames. */ bool no_linux_ext:1; + bool linux_ext:1; bool sfu_emul:1; bool nullauth:1; /* attempt to authenticate with null user */ bool nocase:1; /* request case insensitive filenames */ bool nobrl:1; /* disable sending byte range locks to srv */ + bool nohandlecache:1; /* disable caching dir handles if srvr probs */ bool mand_lock:1; /* send mandatory not posix byte range lock reqs */ bool seal:1; /* request transport encryption on share */ bool nodfs:1; /* Do not request DFS, even if available */ @@ -630,7 +640,7 @@ struct TCP_Server_Info { bool oplocks:1; /* enable oplocks */ unsigned int maxReq; /* Clients should submit no more */ /* than maxReq distinct unanswered SMBs to the server when using */ - /* multiplexed reads or writes */ + /* multiplexed reads or writes (for SMB1/CIFS only, not SMB2/SMB3) */ unsigned int maxBuf; /* maxBuf specifies the maximum */ /* message size the server can send or receive for non-raw SMBs */ /* maxBuf is returned by SMB NegotiateProtocol so maxBuf is only 0 */ @@ -681,6 +691,7 @@ struct TCP_Server_Info { __le16 cipher_type; /* save initital negprot hash */ __u8 preauth_sha_hash[SMB2_PREAUTH_HASH_SIZE]; + bool posix_ext_supported; #endif /* 3.1.1 */ struct delayed_work reconnect; /* reconnect workqueue job */ struct mutex reconnect_mutex; /* prevent simultaneous reconnects */ @@ -834,6 +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 */ @@ -871,6 +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 @@ -879,6 +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 @@ -953,9 +993,13 @@ struct cifs_tcon { bool print:1; /* set if connection to printer share */ bool retry:1; bool nocase:1; + bool nohandlecache:1; /* if strange server resource prob can turn off */ bool seal:1; /* transport encryption for this mounted share */ bool unix_ext:1; /* if false disable Linux extensions to CIFS protocol for this mount even if server would support */ +#ifdef CONFIG_CIFS_SMB311 + bool posix_extensions; /* if true SMB3.11 posix extensions enabled */ +#endif /* CIFS_311 */ bool local_lease:1; /* check leases (only) on local system not remote */ bool broken_posix_open; /* e.g. Samba server versions < 3.3.2, 3.2.9 */ bool broken_sparse_sup; /* if server or share does not support sparse */ @@ -979,6 +1023,7 @@ struct cifs_tcon { struct fscache_cookie *fscache; /* cookie for share */ #endif struct list_head pending_opens; /* list of incomplete opens */ + struct cached_fid crfid; /* Cached root fid */ /* BB add field for back pointer to sb struct(s)? */ }; @@ -1008,6 +1053,12 @@ tlink_tcon(struct tcon_link *tlink) return tlink->tl_tcon; } +static inline struct tcon_link * +cifs_sb_master_tlink(struct cifs_sb_info *cifs_sb) +{ + return cifs_sb->master_tlink; +} + extern void cifs_put_tlink(struct tcon_link *tlink); static inline struct tcon_link * @@ -1071,6 +1122,7 @@ struct cifs_open_parms { int create_options; const char *path; struct cifs_fid *fid; + umode_t mode; bool reconnect:1; }; @@ -1169,10 +1221,11 @@ struct cifs_readdata { struct smbd_mr *mr; #endif unsigned int pagesz; + unsigned int page_offset; unsigned int tailsz; unsigned int credits; unsigned int nr_pages; - struct page *pages[]; + struct page **pages; }; struct cifs_writedata; @@ -1194,10 +1247,11 @@ struct cifs_writedata { struct smbd_mr *mr; #endif unsigned int pagesz; + unsigned int page_offset; unsigned int tailsz; unsigned int credits; unsigned int nr_pages; - struct page *pages[]; + struct page **pages; }; /* @@ -1362,6 +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 */ @@ -1692,16 +1747,17 @@ GLOBAL_EXTERN atomic_t smBufAllocCount; GLOBAL_EXTERN atomic_t midCount; /* Misc globals */ -GLOBAL_EXTERN bool enable_oplocks; /* enable or disable oplocks */ -GLOBAL_EXTERN bool lookupCacheEnabled; -GLOBAL_EXTERN unsigned int global_secflags; /* if on, session setup sent +extern bool enable_oplocks; /* enable or disable oplocks */ +extern bool lookupCacheEnabled; +extern unsigned int global_secflags; /* if on, session setup sent with more secure ntlmssp2 challenge/resp */ -GLOBAL_EXTERN unsigned int sign_CIFS_PDUs; /* enable smb packet signing */ -GLOBAL_EXTERN bool linuxExtEnabled;/*enable Linux/Unix CIFS extensions*/ -GLOBAL_EXTERN unsigned int CIFSMaxBufSize; /* max size not including hdr */ -GLOBAL_EXTERN unsigned int cifs_min_rcv; /* min size of big ntwrk buf pool */ -GLOBAL_EXTERN unsigned int cifs_min_small; /* min size of small buf pool */ -GLOBAL_EXTERN unsigned int cifs_max_pending; /* MAX requests at once to server*/ +extern unsigned int sign_CIFS_PDUs; /* enable smb packet signing */ +extern bool linuxExtEnabled;/*enable Linux/Unix CIFS extensions*/ +extern unsigned int CIFSMaxBufSize; /* max size not including hdr */ +extern unsigned int cifs_min_rcv; /* min size of big ntwrk buf pool */ +extern unsigned int cifs_min_small; /* min size of small buf pool */ +extern unsigned int cifs_max_pending; /* MAX requests at once to server*/ +extern bool disable_legacy_dialects; /* forbid vers=1.0 and vers=2.0 mounts */ #ifdef CONFIG_CIFS_ACL GLOBAL_EXTERN struct rb_root uidtree; |