linux/sunrpc/xprt.h

185 struct rpc_xprt {  struct
187 	const struct rpc_xprt_ops *ops;		/* transport methods */  argument
189 	const struct rpc_timeout *timeout;	/* timeout parms */
190 	struct sockaddr_storage	addr;		/* server address */
191 	size_t			addrlen;	/* size of server address */
192 	int			prot;		/* IP protocol */
194 	unsigned long		cong;		/* current congestion */
195 	unsigned long		cwnd;		/* congestion window */
197 	size_t			max_payload;	/* largest RPC payload size,
200 	struct rpc_wait_queue	binding;	/* requests waiting on rpcbind */
201 	struct rpc_wait_queue	sending;	/* requests waiting to send */
202 	struct rpc_wait_queue	pending;	/* requests in flight */
203 	struct rpc_wait_queue	backlog;	/* waiting for slot */
204 	struct list_head	free;		/* free slots */
205 	unsigned int		max_reqs;	/* max number of slots */
206 	unsigned int		min_reqs;	/* min number of slots */
207 	unsigned int		num_reqs;	/* total slots */
208 	unsigned long		state;		/* transport state */
209 	unsigned char		resvport   : 1,	/* use a reserved port */
210 				reuseport  : 1; /* reuse port on reconnect */
211 	atomic_t		swapper;	/* we're swapping over this
213 	unsigned int		bind_index;	/* bind function index */
218 	struct list_head	xprt_switch;
223 	unsigned long		bind_timeout,
224 				reestablish_timeout;
225 	unsigned int		connect_cookie;	/* A cookie that gets bumped
232 	struct work_struct	task_cleanup;
233 	struct timer_list	timer;
234 	unsigned long		last_used,
235 				idle_timeout,
236 				connect_timeout,
237 				max_reconnect_timeout;
242 	atomic_long_t		queuelen;
243 	spinlock_t		transport_lock;	/* lock transport info */
244 	spinlock_t		reserve_lock;	/* lock slot table */
245 	spinlock_t		queue_lock;	/* send/receive queue lock */
246 	u32			xid;		/* Next XID value to use */
247 	struct rpc_task *	snd_task;	/* Task blocked in send */
249 	struct list_head	xmit_queue;	/* Send queue */
251 	struct svc_xprt		*bc_xprt;	/* NFSv4.1 backchannel */
253 	struct svc_serv		*bc_serv;       /* The RPC service which will */
255 	unsigned int		bc_alloc_max;
256 	unsigned int		bc_alloc_count;	/* Total number of preallocs */
257 	atomic_t		bc_slot_count;	/* Number of allocated slots */
258 	spinlock_t		bc_pa_lock;	/* Protects the preallocated
260 	struct list_head	bc_pa_list;	/* List of preallocated
264 	struct rb_root		recv_queue;	/* Receive queue */
266 	struct {
280 	} stat;
282 	struct net		*xprt_net;
283 	const char		*servername;
284 	const char		*address_strings[RPC_DISPLAY_MAX];
286 	struct dentry		*debugfs;		/* debugfs directory */
287 	atomic_t		inject_disconnect;
289 	struct rcu_head		rcu;