86  * defaults to 128 credits, the Windows server allows clients up to
87  * 512 credits (or 8K for later versions), and the NetApp server
91  * to reduce possibility of seeing more server credit overflow bugs.
152 	__u32 server_flags; /* sent by server in type 2 ntlmssp exchange */
153 	unsigned char ciphertext[CIFS_CPHTXT_SIZE]; /* sent to server */
176  * A smb_rqst represents a complete request to be issued to a server. It's
221 	void (*add_credits)(struct TCP_Server_Info *server,
228 	void (*revert_current_mid)(struct TCP_Server_Info *server,
252 	void (*downgrade_oplock)(struct TCP_Server_Info *server,
260 	/* negotiate to the server */
271 	/* connect to a server share */
286 	/* query path data from the server */
290 	/* query file data from the server */
297 	/* get server index number */
359 	/* send a flush request to the server */
361 	/* async read from the server */
363 	/* async write to the server */
366 	/* sync read from the server */
370 	/* sync write to the server */
389 	bool (*is_status_pending)(char *buf, struct TCP_Server_Info *server);
398 	/* send mandatory brlock to the server */
404 	/* push brlocks from the cache to the server */
462 	int (*adjust_credits)(struct TCP_Server_Info *server,
524 #define HEADER_SIZE(server) (server->vals->header_size)  argument
525 #define MAX_HEADER_SIZE(server) (server->vals->max_header_size)  argument
576 	/* 15 character server name + 0x20 16th byte indicating type = srv */
597 	unsigned int in_flight;  /* number of requests on the wire to server */
611 	u16 dialect; /* dialect index that server chose */
614 	/* than maxReq distinct unanswered SMBs to the server when using  */
617 	/* message size the server can send or receive for non-raw SMBs */
621 	/* message size the server can send or receive for */
624 	int timeAdj;  /* Adjust for difference in server time zone in sec */
632 	unsigned long lstrp; /* when we got last response from this server */
637 	/* extended security flavors that server supports */
674 	bool	signing_negotiated; /* true if valid signing context rcvd from server */
703 in_flight(struct TCP_Server_Info *server)  in in_flight()  argument
706 	spin_lock(&server->req_lock);  in in_flight()
707 	num = server->in_flight;  in in_flight()
708 	spin_unlock(&server->req_lock);  in in_flight()
713 has_credits(struct TCP_Server_Info *server, int *credits, int num_credits)  in has_credits()  argument
716 	spin_lock(&server->req_lock);  in has_credits()
718 	spin_unlock(&server->req_lock);  in has_credits()
723 add_credits(struct TCP_Server_Info *server, const struct cifs_credits *credits,  in add_credits()  argument
726 	server->ops->add_credits(server, credits, optype);  in add_credits()
730 add_credits_and_wake_if(struct TCP_Server_Info *server,  in add_credits_and_wake_if()  argument
734 		server->ops->add_credits(server, credits, optype);  in add_credits_and_wake_if()
735 		wake_up(&server->request_q);  in add_credits_and_wake_if()
740 set_credits(struct TCP_Server_Info *server, const int val)  in set_credits()  argument
742 	server->ops->set_credits(server, val);  in set_credits()
746 adjust_credits(struct TCP_Server_Info *server, struct cifs_credits *credits,  in adjust_credits()  argument
749 	return server->ops->adjust_credits ?  in adjust_credits()
750 		server->ops->adjust_credits(server, credits, payload_size) : 0;  in adjust_credits()
754 get_next_mid64(struct TCP_Server_Info *server)  in get_next_mid64()  argument
756 	return cpu_to_le64(server->ops->get_next_mid(server));  in get_next_mid64()
760 get_next_mid(struct TCP_Server_Info *server)  in get_next_mid()  argument
762 	__u16 mid = server->ops->get_next_mid(server);  in get_next_mid()
771 revert_current_mid(struct TCP_Server_Info *server, const unsigned int val)  in revert_current_mid()  argument
773 	if (server->ops->revert_current_mid)  in revert_current_mid()
774 		server->ops->revert_current_mid(server, val);  in revert_current_mid()
778 revert_current_mid_from_hdr(struct TCP_Server_Info *server,  in revert_current_mid_from_hdr()  argument
783 	return revert_current_mid(server, num > 0 ? num : 1);  in revert_current_mid_from_hdr()
799  * When the server supports very large reads and writes via POSIX extensions,
815  * When the server doesn't allow large posix writes, only allow a rsize/wsize
882 	struct TCP_Server_Info *server;  member
894 	struct TCP_Server_Info *server;	/* pointer to server info */  member
898 	char *serverOS;		/* name of operating system underlying server */
899 	char *serverNOS;	/* name of network operating system of server */
900 	char *serverDomain;	/* security realm of server */
911 	struct ntlmssp_auth *ntlmssp; /* ciphertext, flags, server challenge */
926 	 * Network interfaces available on the server this session is
962  * Returns the server pointer of the session. When binding a new
973 		return ses->binding_chan->server;  in cifs_ses_server()
975 		return ses->server;  in cifs_ses_server()
981 	return ses->server->vals->cap_unix & ses->capabilities;  in cap_unix()
1007 	atomic_t num_remote_opens; /* num of all network opens on server */
1058 	bool nohandlecache:1; /* if strange server resource prob can turn off */
1062 				for this mount even if server would support */
1065 	bool broken_posix_open; /* e.g. Samba server versions < 3.3.2, 3.2.9 */
1066 	bool broken_sparse_sup; /* if server or share does not support sparse */
1086 	u64 resource_id;		/* server resource id */
1267 	struct TCP_Server_Info *server;  member
1306 	int (*read_into_pages)(struct TCP_Server_Info *server,
1309 	int (*copy_into_pages)(struct TCP_Server_Info *server,
1313 	struct TCP_Server_Info		*server;  member
1338 	struct TCP_Server_Info		*server;  member
1398 #define CIFS_INO_DELETE_PENDING		  (3) /* delete pending on server */
1407 	u64  server_eof;		/* current file size on server -- protected by i_lock */
1408 	u64  uniqueid;			/* server inode number */
1409 	u64  createtime;		/* creation time on server */
1494 typedef int (mid_receive_t)(struct TCP_Server_Info *server,
1511 typedef int (mid_handle_t)(struct TCP_Server_Info *server,
1514 /* one of these for every pending CIFS request to the server */
1516 	struct list_head qhead;	/* mids waiting on reply from this server */
1518 	struct TCP_Server_Info *server;	/* server corresponding to this mid */  member
1556 static inline void cifs_in_send_inc(struct TCP_Server_Info *server)  in cifs_in_send_inc()  argument
1558 	atomic_inc(&server->in_send);  in cifs_in_send_inc()
1561 static inline void cifs_in_send_dec(struct TCP_Server_Info *server)  in cifs_in_send_dec()  argument
1563 	atomic_dec(&server->in_send);  in cifs_in_send_dec()
1566 static inline void cifs_num_waiters_inc(struct TCP_Server_Info *server)  in cifs_num_waiters_inc()  argument
1568 	atomic_inc(&server->num_waiters);  in cifs_num_waiters_inc()
1571 static inline void cifs_num_waiters_dec(struct TCP_Server_Info *server)  in cifs_num_waiters_dec()  argument
1573 	atomic_dec(&server->num_waiters);  in cifs_num_waiters_dec()
1730 #define   CIFS_NO_SRV_RSP         0x1000 /* there is no server response */
1780  *      updates to server->CurrentMid
1807  * connecting our client to a distinct server (ip address), is
1817  * the reference counters for the server, smb session, and tcon. It also
1867 extern unsigned int cifs_max_pending; /* MAX requests at once to server*/
1924 static inline bool is_smb1_server(struct TCP_Server_Info *server)  in is_smb1_server()  argument
1926 	return strcmp(server->vals->version_string, SMB1_VERSION_STRING) == 0;  in is_smb1_server()
1935 	 * For SMB2+, see MS-SMB2 2.2.10 SMB2 TREE_CONNECT Response and MS-SMB2 3.3.4.14 Server  in is_tcon_dfs()
1938 	if (!tcon || !tcon->ses || !tcon->ses->server)  in is_tcon_dfs()
1940 	return is_smb1_server(tcon->ses->server) ? tcon->Flags & SMB_SHARE_IS_IN_DFS :  in is_tcon_dfs()