[mirror_ubuntu-zesty-kernel.git] / include / linux / sunrpc / xprtsock.h

/*
 *  linux/include/linux/sunrpc/xprtsock.h
 *
 *  Declarations for the RPC transport socket provider.
 */

#ifndef _LINUX_SUNRPC_XPRTSOCK_H
#define _LINUX_SUNRPC_XPRTSOCK_H

#ifdef __KERNEL__

int		init_socket_xprt(void);
void		cleanup_socket_xprt(void);

#define RPC_MIN_RESVPORT	(1U)
#define RPC_MAX_RESVPORT	(65535U)
#define RPC_DEF_MIN_RESVPORT	(665U)
#define RPC_DEF_MAX_RESVPORT	(1023U)

struct sock_xprt {
	struct rpc_xprt		xprt;

	/*
	 * Network layer
	 */
	struct socket *		sock;
	struct sock *		inet;

	/*
	 * State of TCP reply receive
	 */
	__be32			tcp_fraghdr,
				tcp_xid,
				tcp_calldir;

	u32			tcp_offset,
				tcp_reclen;

	unsigned long		tcp_copied,
				tcp_flags;

	/*
	 * Connection of transports
	 */
	unsigned long		sock_state;
	struct delayed_work	connect_worker;
	struct sockaddr_storage	srcaddr;
	unsigned short		srcport;

	/*
	 * UDP socket buffer size parameters
	 */
	size_t			rcvsize,
				sndsize;

	/*
	 * Saved socket callback addresses
	 */
	void			(*old_data_ready)(struct sock *);
	void			(*old_state_change)(struct sock *);
	void			(*old_write_space)(struct sock *);
	void			(*old_error_report)(struct sock *);
};

/*
 * TCP receive state flags
 */
#define TCP_RCV_LAST_FRAG	(1UL << 0)
#define TCP_RCV_COPY_FRAGHDR	(1UL << 1)
#define TCP_RCV_COPY_XID	(1UL << 2)
#define TCP_RCV_COPY_DATA	(1UL << 3)
#define TCP_RCV_READ_CALLDIR	(1UL << 4)
#define TCP_RCV_COPY_CALLDIR	(1UL << 5)

/*
 * TCP RPC flags
 */
#define TCP_RPC_REPLY		(1UL << 6)

#define XPRT_SOCK_CONNECTING	1U

#endif /* __KERNEL__ */

#endif /* _LINUX_SUNRPC_XPRTSOCK_H */
Commit	Line	Data
49c36fcc TT	1	/*
	2	* linux/include/linux/sunrpc/xprtsock.h
	3	*
	4	* Declarations for the RPC transport socket provider.
	5	*/
	6
	7	#ifndef _LINUX_SUNRPC_XPRTSOCK_H
	8	#define _LINUX_SUNRPC_XPRTSOCK_H
	9
	10	#ifdef __KERNEL__
	11
49c36fcc TT	12	int init_socket_xprt(void);
	13	void cleanup_socket_xprt(void);
	14
49c36fcc TT	15	#define RPC_MIN_RESVPORT (1U)
	16	#define RPC_MAX_RESVPORT (65535U)
	17	#define RPC_DEF_MIN_RESVPORT (665U)
	18	#define RPC_DEF_MAX_RESVPORT (1023U)
	19
1a867a08 JL	20	struct sock_xprt {
	21	struct rpc_xprt xprt;
	22
	23	/*
	24	* Network layer
	25	*/
	26	struct socket * sock;
	27	struct sock * inet;
	28
	29	/*
	30	* State of TCP reply receive
	31	*/
	32	__be32 tcp_fraghdr,
	33	tcp_xid,
	34	tcp_calldir;
	35
	36	u32 tcp_offset,
	37	tcp_reclen;
	38
	39	unsigned long tcp_copied,
	40	tcp_flags;
	41
	42	/*
	43	* Connection of transports
	44	*/
0fdea1e8	45	unsigned long sock_state;
1a867a08 JL	46	struct delayed_work connect_worker;
	47	struct sockaddr_storage srcaddr;
	48	unsigned short srcport;
	49
	50	/*
	51	* UDP socket buffer size parameters
	52	*/
	53	size_t rcvsize,
	54	sndsize;
	55
	56	/*
	57	* Saved socket callback addresses
	58	*/
	59	void (old_data_ready)(struct sock );
	60	void (old_state_change)(struct sock );
	61	void (old_write_space)(struct sock );
	62	void (old_error_report)(struct sock );
	63	};
	64
	65	/*
	66	* TCP receive state flags
	67	*/
	68	#define TCP_RCV_LAST_FRAG (1UL << 0)
	69	#define TCP_RCV_COPY_FRAGHDR (1UL << 1)
	70	#define TCP_RCV_COPY_XID (1UL << 2)
	71	#define TCP_RCV_COPY_DATA (1UL << 3)
	72	#define TCP_RCV_READ_CALLDIR (1UL << 4)
	73	#define TCP_RCV_COPY_CALLDIR (1UL << 5)
	74
	75	/*
	76	* TCP RPC flags
	77	*/
	78	#define TCP_RPC_REPLY (1UL << 6)
	79
0fdea1e8 TM	80	#define XPRT_SOCK_CONNECTING 1U
0fdea1e8 TM	81
49c36fcc TT	82	#endif /* __KERNEL__ */
	83
	84	#endif /* _LINUX_SUNRPC_XPRTSOCK_H */