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/*********************************************************************
*
* Filename: irlpt_common.h
* Version:
* Description:
* Status: Experimental.
* Author: Thomas Davis, <ratbert@radiks.net>
* Created at: Sat Feb 21 18:54:38 1998
* Modified at: Sun Mar 8 23:44:19 1998
* Modified by: Dag Brattli <dagb@cs.uit.no>
* Sources: irlan.c
*
* Copyright (c) 1998, Thomas Davis, <ratbert@radiks.net>,
* Dag Brattli, <dagb@cs.uit.no>
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* I, Thomas Davis, provide no warranty for any of this software.
* This material is provided "AS-IS" and at no charge.
*
********************************************************************/
#ifndef IRLPT_COMMON_H
#define IRLPT_COMMON_H
#include <net/irda/qos.h>
#include <net/irda/irmod.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/miscdevice.h>
#include <linux/poll.h>
extern char *irlpt_service_type[];
extern char *irlpt_port_type[];
extern char *irlpt_connected[];
extern char *irlpt_reasons[];
extern char *irlpt_client_fsm_state[];
extern char *irlpt_server_fsm_state[];
extern char *irlpt_fsm_event[];
extern wait_queue_head_t lpt_wait;
extern struct irlpt_cb *irlpt_find_handle(unsigned int minor);
extern void irlpt_flow_control(struct sk_buff *skb);
extern ssize_t irlpt_read( struct file *file, char *buffer,
size_t count, loff_t *noidea);
extern ssize_t irlpt_write(struct file *file, const char *buffer,
size_t count, loff_t *noidea);
extern loff_t irlpt_seek(struct file *, loff_t, int);
extern int irlpt_open(struct inode * inode, struct file *file);
extern int irlpt_close(struct inode *inode, struct file *file);
extern u_int irlpt_poll(struct file *file, poll_table *wait);
/* FSM definitions */
typedef enum {
IRLPT_CLIENT_IDLE,
IRLPT_CLIENT_QUERY,
IRLPT_CLIENT_READY,
IRLPT_CLIENT_WAITI,
IRLPT_CLIENT_CONN,
} IRLPT_CLIENT_STATE;
typedef enum {
IRLPT_SERVER_IDLE,
IRLPT_SERVER_CONN,
} IRLPT_SERVER_STATE;
/* IrLPT Events */
typedef enum {
QUERY_REMOTE_IAS,
IAS_PROVIDER_AVAIL,
IAS_PROVIDER_NOT_AVAIL,
LAP_DISCONNECT,
LMP_CONNECT,
LMP_DISCONNECT,
LMP_CONNECT_INDICATION,
LMP_DISCONNECT_INDICATION,
IRLPT_DISCOVERY_INDICATION,
IRLPT_CONNECT_REQUEST,
IRLPT_DISCONNECT_REQUEST,
CLIENT_DATA_INDICATION,
} IRLPT_EVENT;
struct irlpt_info {
struct lsap_cb *lsap;
__u8 dlsap_sel;
__u32 daddr;
__u32 saddr;
};
/* Command packet types */
#define IRLPT_MAX_PACKET 1024
#define IRLPT_MAX_HEADER LMP_MAX_HEADER
#define IRLPT_MAX_DEVICES 3
#define IRLPT_MAGIC 0x0755
typedef enum {
IRLPT_DISCONNECTED,
IRLPT_WAITING,
IRLPT_CONNECTED,
IRLPT_FLUSHED,
} IRLPT_SERVER_STATUS;
#define IRLPT_LSAP 0x09
#define PI_SERVICE_TYPE 0x00
#define IRLPT_UNKNOWN 0x00 /* not defined yet. */
#define IRLPT_THREE_WIRE_RAW 0x01 /* bit 0 */
#define IRLPT_THREE_WIRE 0x02 /* bit 1 */
#define IRLPT_NINE_WIRE 0x04 /* bit 2 */
#define IRLPT_CENTRONICS 0x08 /* bit 3 */
#define IRLPT_SERVER_MODE 0xFF /* our own flag */
#define PI_PORT_TYPE 0x01
#define IRLPT_SERIAL 0x01 /* bit 0 */
#define IRLPT_PARALLEL 0x02 /* bit 1 */
#define PI_PORT_NAME 0x02
#define PI_CRITICAL 0x80
struct irlpt_cb {
QUEUE queue; /* must be first. */
int magic; /* magic used to detect corruption of
the struct */
__u32 daddr; /* address of remote printer */
__u32 saddr; /* my local address. */
struct timer_list retry_timer;
int volatile state; /* Current state of IrCOMM layer */
int open_retries;
int in_use; /* flag to prevent re-use */
char ifname[16]; /* name of the allocated instance,
and registered device. */
struct lsap_cb *lsap; /* lmp handle */
__u8 dlsap_sel; /* remote LSAP selector address */
__u8 slsap_sel; /* local LSAP selectoraddress */
__u8 servicetype; /* Type of remote service, ie THREE_WIRE_RAW */
__u8 porttype; /* type of remote port. */
struct miscdevice ir_dev; /* used to register the misc device. */
int count; /* open count */
int max_data_size; /* max frame size we can send */
int max_header_size; /* how much header space is needed */
int pkt_count; /* how many packets are queued up */
wait_queue_head_t read_wait; /* wait queues */
wait_queue_head_t write_wait;
wait_queue_head_t ex_wait;
/* this is used to remove the printer when it's gone */
struct timer_list lpt_timer;
void (*timeout) (unsigned long data);
void (*do_event) (struct irlpt_cb *self, IRLPT_EVENT event,
struct sk_buff *skb,
struct irlpt_info *info);
/* this is used by the server side of the system */
IRLPT_SERVER_STATE connected;
int eof;
int service_LSAP;
struct sk_buff_head rx_queue; /* read buffer queue */
};
/* Debug function */
void irlpt_dump_buffer(struct sk_buff *);
#endif
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