diff options
Diffstat (limited to 'include/linux/ncp_fs_sb.h')
| -rw-r--r-- | include/linux/ncp_fs_sb.h | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/include/linux/ncp_fs_sb.h b/include/linux/ncp_fs_sb.h new file mode 100644 index 000000000000..cf858eb80f0b --- /dev/null +++ b/include/linux/ncp_fs_sb.h @@ -0,0 +1,157 @@ +/* + * ncp_fs_sb.h + * + * Copyright (C) 1995, 1996 by Volker Lendecke + * + */ + +#ifndef _NCP_FS_SB +#define _NCP_FS_SB + +#include <linux/types.h> +#include <linux/ncp_mount.h> +#include <linux/net.h> + +#ifdef __KERNEL__ + +#include <linux/workqueue.h> + +#define NCP_DEFAULT_OPTIONS 0 /* 2 for packet signatures */ + +struct sock; + +struct ncp_server { + + struct ncp_mount_data_kernel m; /* Nearly all of the mount data is of + interest for us later, so we store + it completely. */ + + __u8 name_space[NCP_NUMBER_OF_VOLUMES + 2]; + + struct file *ncp_filp; /* File pointer to ncp socket */ + struct socket *ncp_sock;/* ncp socket */ + struct file *info_filp; + struct socket *info_sock; + + u8 sequence; + u8 task; + u16 connection; /* Remote connection number */ + + u8 completion; /* Status message from server */ + u8 conn_status; /* Bit 4 = 1 ==> Server going down, no + requests allowed anymore. + Bit 0 = 1 ==> Server is down. */ + + int buffer_size; /* Negotiated bufsize */ + + int reply_size; /* Size of last reply */ + + int packet_size; + unsigned char *packet; /* Here we prepare requests and + receive replies */ + + int lock; /* To prevent mismatch in protocols. */ + struct semaphore sem; + + int current_size; /* for packet preparation */ + int has_subfunction; + int ncp_reply_size; + + int root_setuped; + + /* info for packet signing */ + int sign_wanted; /* 1=Server needs signed packets */ + int sign_active; /* 0=don't do signing, 1=do */ + char sign_root[8]; /* generated from password and encr. key */ + char sign_last[16]; + + /* Authentication info: NDS or BINDERY, username */ + struct { + int auth_type; + size_t object_name_len; + void* object_name; + int object_type; + } auth; + /* Password info */ + struct { + size_t len; + void* data; + } priv; + + /* nls info: codepage for volume and charset for I/O */ + struct nls_table *nls_vol; + struct nls_table *nls_io; + + /* maximum age in jiffies */ + int dentry_ttl; + + /* miscellaneous */ + unsigned int flags; + + spinlock_t requests_lock; /* Lock accesses to tx.requests, tx.creq and rcv.creq when STREAM mode */ + + void (*data_ready)(struct sock* sk, int len); + void (*error_report)(struct sock* sk); + void (*write_space)(struct sock* sk); /* STREAM mode only */ + struct { + struct work_struct tq; /* STREAM/DGRAM: data/error ready */ + struct ncp_request_reply* creq; /* STREAM/DGRAM: awaiting reply from this request */ + struct semaphore creq_sem; /* DGRAM only: lock accesses to rcv.creq */ + + unsigned int state; /* STREAM only: receiver state */ + struct { + __u32 magic __attribute__((packed)); + __u32 len __attribute__((packed)); + __u16 type __attribute__((packed)); + __u16 p1 __attribute__((packed)); + __u16 p2 __attribute__((packed)); + __u16 p3 __attribute__((packed)); + __u16 type2 __attribute__((packed)); + } buf; /* STREAM only: temporary buffer */ + unsigned char* ptr; /* STREAM only: pointer to data */ + size_t len; /* STREAM only: length of data to receive */ + } rcv; + struct { + struct list_head requests; /* STREAM only: queued requests */ + struct work_struct tq; /* STREAM only: transmitter ready */ + struct ncp_request_reply* creq; /* STREAM only: currently transmitted entry */ + } tx; + struct timer_list timeout_tm; /* DGRAM only: timeout timer */ + struct work_struct timeout_tq; /* DGRAM only: associated queue, we run timers from process context */ + int timeout_last; /* DGRAM only: current timeout length */ + int timeout_retries; /* DGRAM only: retries left */ + struct { + size_t len; + __u8 data[128]; + } unexpected_packet; +}; + +extern void ncp_tcp_rcv_proc(void *server); +extern void ncp_tcp_tx_proc(void *server); +extern void ncpdgram_rcv_proc(void *server); +extern void ncpdgram_timeout_proc(void *server); +extern void ncpdgram_timeout_call(unsigned long server); +extern void ncp_tcp_data_ready(struct sock* sk, int len); +extern void ncp_tcp_write_space(struct sock* sk); +extern void ncp_tcp_error_report(struct sock* sk); + +#define NCP_FLAG_UTF8 1 + +#define NCP_CLR_FLAG(server, flag) ((server)->flags &= ~(flag)) +#define NCP_SET_FLAG(server, flag) ((server)->flags |= (flag)) +#define NCP_IS_FLAG(server, flag) ((server)->flags & (flag)) + +static inline int ncp_conn_valid(struct ncp_server *server) +{ + return ((server->conn_status & 0x11) == 0); +} + +static inline void ncp_invalidate_conn(struct ncp_server *server) +{ + server->conn_status |= 0x01; +} + +#endif /* __KERNEL__ */ + +#endif + |