smb/client/cifsglob.h

709 struct TCP_Server_Info {  struct
710 	struct list_head tcp_ses_list;
711 	struct list_head smb_ses_list;
712 	spinlock_t srv_lock;  /* protect anything here that is not protected */
713 	__u64 conn_id; /* connection identifier (useful for debugging) */
714 	int srv_count; /* reference counter */
715 	int rfc1001_sessinit; /* whether to estasblish netbios session */
716 	bool with_rfc1001; /* if netbios session is used */
718 	char server_RFC1001_name[RFC1001_NAME_LEN_WITH_NULL];
719 	struct smb_version_operations	*ops;
720 	struct smb_version_values	*vals;
722 	enum statusEnum tcpStatus; /* what we think the status is */
723 	char *hostname; /* hostname portion of UNC string */
724 	struct socket *ssocket;
725 	struct sockaddr_storage dstaddr;
726 	struct sockaddr_storage srcaddr; /* locally bind to this IP */
728 	struct net *net;
730 	wait_queue_head_t response_q;
731 	wait_queue_head_t request_q; /* if more than maxmpx to srvr must block*/
732 	spinlock_t mid_lock;  /* protect mid queue and it's entries */
733 	struct list_head pending_mid_q;
734 	bool noblocksnd;		/* use blocking sendmsg */
735 	bool noautotune;		/* do not autotune send buf sizes */
736 	bool nosharesock;
737 	bool tcp_nodelay;
738 	bool terminate;
739 	unsigned int credits;  /* send no more requests at once */
740 	unsigned int max_credits; /* can override large 32000 default at mnt */
741 	unsigned int in_flight;  /* number of requests on the wire to server */
742 	unsigned int max_in_flight; /* max number of requests that were on wire */
743 	spinlock_t req_lock;  /* protect the two values above */
744 	struct mutex _srv_mutex;
745 	unsigned int nofs_flag;
746 	struct task_struct *tsk;
747 	char server_GUID[16];
748 	__u16 sec_mode;
749 	bool sign; /* is signing enabled on this connection? */
750 	bool ignore_signature:1; /* skip validation of signatures in SMB2/3 rsp */
751 	bool session_estab; /* mark when very first sess is established */
752 	int echo_credits;  /* echo reserved slots */
753 	int oplock_credits;  /* oplock break reserved slots */
754 	bool echoes:1; /* enable echoes */
755 	__u8 client_guid[SMB2_CLIENT_GUID_SIZE]; /* Client GUID */
756 	u16 dialect; /* dialect index that server chose */
757 	bool oplocks:1; /* enable oplocks */
758 	unsigned int maxReq;	/* Clients should submit no more */
761 	unsigned int maxBuf;	/* maxBuf specifies the maximum */
765 	unsigned int max_rw;	/* maxRw specifies the maximum */
768 	unsigned int capabilities; /* selective disabling of caps by smb sess */
769 	int timeAdj;  /* Adjust for difference in server time zone in sec */
770 	__u64 CurrentMid;         /* multiplex id - rotating counter, protected by GlobalMid_Lock */
771 	char cryptkey[CIFS_CRYPTO_KEY_SIZE]; /* used by ntlm, ntlmv2 etc */
773 	char workstation_RFC1001_name[RFC1001_NAME_LEN_WITH_NULL];
774 	__u32 sequence_number; /* for signing, protected by srv_mutex */
775 	__u32 reconnect_instance; /* incremented on each reconnect */
776 	struct session_key session_key;
777 	unsigned long lstrp; /* when we got last response from this server */
778 	struct cifs_secmech secmech; /* crypto sec mech functs, descriptors */
781 	char	negflavor;	/* NEGOTIATE response flavor */
783 	bool	sec_ntlmssp;		/* supports NTLMSSP */
784 	bool	sec_kerberosu2u;	/* supports U2U Kerberos */
785 	bool	sec_kerberos;		/* supports plain Kerberos */
786 	bool	sec_mskerberos;		/* supports legacy MS Kerberos */
787 	bool	sec_iakerb;		/* supports pass-through auth for Kerberos (krb5 proxy) */
788 	bool	large_buf;		/* is current buffer large? */
790 	bool	rdma;
792 	struct smbd_connection *smbd_conn;
793 	struct delayed_work	echo; /* echo ping workqueue job */
794 	char	*smallbuf;	/* pointer to current "small" buffer */
795 	char	*bigbuf;	/* pointer to current "big" buffer */
797 	unsigned int pdu_size;
798 	unsigned int total_read; /* total amount of data read in this pass */
799 	atomic_t in_send; /* requests trying to send */
800 	atomic_t num_waiters;   /* blocked waiting to get in sendrecv */
802 	atomic_t num_cmds[NUMBER_OF_SMB2_COMMANDS]; /* total requests by cmd */
803 	atomic_t smb2slowcmd[NUMBER_OF_SMB2_COMMANDS]; /* count resps > 1 sec */
804 	__u64 time_per_cmd[NUMBER_OF_SMB2_COMMANDS]; /* total time per cmd */
805 	__u32 slowest_cmd[NUMBER_OF_SMB2_COMMANDS];
806 	__u32 fastest_cmd[NUMBER_OF_SMB2_COMMANDS];
808 	unsigned int	max_read;
809 	unsigned int	max_write;
810 	unsigned int	min_offload;
811 	unsigned int	retrans;
812 	struct {
816 	} compression;
817 	__u16	signing_algorithm;
841 	struct TCP_Server_Info *primary_server;  argument
859 static inline bool is_smb1(struct TCP_Server_Info *server)  in is_smb1()  argument