WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/drivers/linuxc26/include/linux/ncp_fs

Rev	Author	Line No.	Line
422	giacomo	1	/*
		2	* ncp_fs_sb.h
		3	*
		4	* Copyright (C) 1995, 1996 by Volker Lendecke
		5	*
		6	*/
		7
		8	#ifndef _NCP_FS_SB
		9	#define _NCP_FS_SB
		10
		11	#include <linux/types.h>
		12	#include <linux/ncp_mount.h>
		13	#include <linux/net.h>
		14
		15	#ifdef __KERNEL__
		16
		17	#include <linux/workqueue.h>
		18
		19	#define NCP_DEFAULT_OPTIONS 0 /* 2 for packet signatures */
		20
		21	struct sock;
		22
		23	struct ncp_server {
		24
		25	struct ncp_mount_data_kernel m; /* Nearly all of the mount data is of
		26	interest for us later, so we store
		27	it completely. */
		28
		29	__u8 name_space[NCP_NUMBER_OF_VOLUMES + 2];
		30
		31	struct file ncp_filp; / File pointer to ncp socket */
		32	struct socket ncp_sock;/ ncp socket */
		33	struct file *info_filp;
		34	struct socket *info_sock;
		35
		36	u8 sequence;
		37	u8 task;
		38	u16 connection; /* Remote connection number */
		39
		40	u8 completion; /* Status message from server */
		41	u8 conn_status; /* Bit 4 = 1 ==> Server going down, no
		42	requests allowed anymore.
		43	Bit 0 = 1 ==> Server is down. */
		44
		45	int buffer_size; /* Negotiated bufsize */
		46
		47	int reply_size; /* Size of last reply */
		48
		49	int packet_size;
		50	unsigned char packet; / Here we prepare requests and
		51	receive replies */
		52
		53	int lock; /* To prevent mismatch in protocols. */
		54	struct semaphore sem;
		55
		56	int current_size; /* for packet preparation */
		57	int has_subfunction;
		58	int ncp_reply_size;
		59
		60	int root_setuped;
		61
		62	/* info for packet signing */
		63	int sign_wanted; /* 1=Server needs signed packets */
		64	int sign_active; /* 0=don't do signing, 1=do */
		65	char sign_root[8]; /* generated from password and encr. key */
		66	char sign_last[16];
		67
		68	/* Authentication info: NDS or BINDERY, username */
		69	struct {
		70	int auth_type;
		71	size_t object_name_len;
		72	void* object_name;
		73	int object_type;
		74	} auth;
		75	/* Password info */
		76	struct {
		77	size_t len;
		78	void* data;
		79	} priv;
		80
		81	/* nls info: codepage for volume and charset for I/O */
		82	struct nls_table *nls_vol;
		83	struct nls_table *nls_io;
		84
		85	/* maximum age in jiffies */
		86	int dentry_ttl;
		87
		88	/* miscellaneous */
		89	unsigned int flags;
		90
		91	spinlock_t requests_lock; /* Lock accesses to tx.requests, tx.creq and rcv.creq when STREAM mode */
		92
		93	void (data_ready)(struct sock sk, int len);
		94	void (error_report)(struct sock sk);
		95	void (write_space)(struct sock sk); /* STREAM mode only */
		96	struct {
		97	struct work_struct tq; /* STREAM/DGRAM: data/error ready */
		98	struct ncp_request_reply* creq; /* STREAM/DGRAM: awaiting reply from this request */
		99	struct semaphore creq_sem; /* DGRAM only: lock accesses to rcv.creq */
		100
		101	unsigned int state; /* STREAM only: receiver state */
		102	struct {
		103	__u32 magic __attribute__((packed));
		104	__u32 len __attribute__((packed));
		105	__u16 type __attribute__((packed));
		106	__u16 p1 __attribute__((packed));
		107	__u16 p2 __attribute__((packed));
		108	__u16 p3 __attribute__((packed));
		109	__u16 type2 __attribute__((packed));
		110	} buf; /* STREAM only: temporary buffer */
		111	unsigned char* ptr; /* STREAM only: pointer to data */
		112	size_t len; /* STREAM only: length of data to receive */
		113	} rcv;
		114	struct {
		115	struct list_head requests; /* STREAM only: queued requests */
		116	struct work_struct tq; /* STREAM only: transmitter ready */
		117	struct ncp_request_reply* creq; /* STREAM only: currently transmitted entry */
		118	} tx;
		119	struct timer_list timeout_tm; /* DGRAM only: timeout timer */
		120	struct work_struct timeout_tq; /* DGRAM only: associated queue, we run timers from process context */
		121	int timeout_last; /* DGRAM only: current timeout length */
		122	int timeout_retries; /* DGRAM only: retries left */
		123	struct {
		124	size_t len;
		125	__u8 data[128];
		126	} unexpected_packet;
		127	};
		128
		129	extern void ncp_tcp_rcv_proc(void *server);
		130	extern void ncp_tcp_tx_proc(void *server);
		131	extern void ncpdgram_rcv_proc(void *server);
		132	extern void ncpdgram_timeout_proc(void *server);
		133	extern void ncpdgram_timeout_call(unsigned long server);
		134	extern void ncp_tcp_data_ready(struct sock* sk, int len);
		135	extern void ncp_tcp_write_space(struct sock* sk);
		136	extern void ncp_tcp_error_report(struct sock* sk);
		137
		138	#define NCP_FLAG_UTF8 1
		139
		140	#define NCP_CLR_FLAG(server, flag) ((server)->flags &= ~(flag))
		141	#define NCP_SET_FLAG(server, flag) ((server)->flags \|= (flag))
		142	#define NCP_IS_FLAG(server, flag) ((server)->flags & (flag))
		143
		144	static inline int ncp_conn_valid(struct ncp_server *server)
		145	{
		146	return ((server->conn_status & 0x11) == 0);
		147	}
		148
		149	static inline void ncp_invalidate_conn(struct ncp_server *server)
		150	{
		151	server->conn_status \|= 0x01;
		152	}
		153
		154	#endif /* __KERNEL__ */
		155
		156	#endif
		157

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