140 строки
4.3 KiB
C
140 строки
4.3 KiB
C
/*********************************************************************
|
|
*
|
|
* Filename: ircomm_tty.h
|
|
* Version:
|
|
* Description:
|
|
* Status: Experimental.
|
|
* Author: Dag Brattli <dagb@cs.uit.no>
|
|
* Created at: Sun Jun 6 23:24:22 1999
|
|
* Modified at: Fri Jan 28 13:16:57 2000
|
|
* Modified by: Dag Brattli <dagb@cs.uit.no>
|
|
*
|
|
* Copyright (c) 1999-2000 Dag Brattli, 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
********************************************************************/
|
|
|
|
#ifndef IRCOMM_TTY_H
|
|
#define IRCOMM_TTY_H
|
|
|
|
#include <linux/serial.h>
|
|
#include <linux/termios.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/tty.h> /* struct tty_struct */
|
|
|
|
#include <net/irda/irias_object.h>
|
|
#include <net/irda/ircomm_core.h>
|
|
#include <net/irda/ircomm_param.h>
|
|
|
|
#define IRCOMM_TTY_PORTS 32
|
|
#define IRCOMM_TTY_MAGIC 0x3432
|
|
#define IRCOMM_TTY_MAJOR 161
|
|
#define IRCOMM_TTY_MINOR 0
|
|
|
|
/* This is used as an initial value to max_header_size before the proper
|
|
* value is filled in (5 for ttp, 4 for lmp). This allow us to detect
|
|
* the state of the underlying connection. - Jean II */
|
|
#define IRCOMM_TTY_HDR_UNINITIALISED 16
|
|
/* Same for payload size. See qos.c for the smallest max data size */
|
|
#define IRCOMM_TTY_DATA_UNINITIALISED (64 - IRCOMM_TTY_HDR_UNINITIALISED)
|
|
|
|
/* Those are really defined in include/linux/serial.h - Jean II */
|
|
#define ASYNC_B_INITIALIZED 31 /* Serial port was initialized */
|
|
#define ASYNC_B_NORMAL_ACTIVE 29 /* Normal device is active */
|
|
#define ASYNC_B_CLOSING 27 /* Serial port is closing */
|
|
|
|
/*
|
|
* IrCOMM TTY driver state
|
|
*/
|
|
struct ircomm_tty_cb {
|
|
irda_queue_t queue; /* Must be first */
|
|
magic_t magic;
|
|
|
|
int state; /* Connect state */
|
|
|
|
struct tty_struct *tty;
|
|
struct ircomm_cb *ircomm; /* IrCOMM layer instance */
|
|
|
|
struct sk_buff *tx_skb; /* Transmit buffer */
|
|
struct sk_buff *ctrl_skb; /* Control data buffer */
|
|
|
|
/* Parameters */
|
|
struct ircomm_params settings;
|
|
|
|
__u8 service_type; /* The service that we support */
|
|
int client; /* True if we are a client */
|
|
LOCAL_FLOW flow; /* IrTTP flow status */
|
|
|
|
int line;
|
|
unsigned long flags;
|
|
|
|
__u8 dlsap_sel;
|
|
__u8 slsap_sel;
|
|
|
|
__u32 saddr;
|
|
__u32 daddr;
|
|
|
|
__u32 max_data_size; /* Max data we can transmit in one packet */
|
|
__u32 max_header_size; /* The amount of header space we must reserve */
|
|
__u32 tx_data_size; /* Max data size of current tx_skb */
|
|
|
|
struct iriap_cb *iriap; /* Instance used for querying remote IAS */
|
|
struct ias_object* obj;
|
|
void *skey;
|
|
void *ckey;
|
|
|
|
wait_queue_head_t open_wait;
|
|
wait_queue_head_t close_wait;
|
|
struct timer_list watchdog_timer;
|
|
struct work_struct tqueue;
|
|
|
|
unsigned short close_delay;
|
|
unsigned short closing_wait; /* time to wait before closing */
|
|
|
|
int open_count;
|
|
int blocked_open; /* # of blocked opens */
|
|
|
|
/* Protect concurent access to :
|
|
* o self->open_count
|
|
* o self->ctrl_skb
|
|
* o self->tx_skb
|
|
* Maybe other things may gain to be protected as well...
|
|
* Jean II */
|
|
spinlock_t spinlock;
|
|
};
|
|
|
|
void ircomm_tty_start(struct tty_struct *tty);
|
|
void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self);
|
|
|
|
extern int ircomm_tty_tiocmget(struct tty_struct *tty, struct file *file);
|
|
extern int ircomm_tty_tiocmset(struct tty_struct *tty, struct file *file,
|
|
unsigned int set, unsigned int clear);
|
|
extern int ircomm_tty_ioctl(struct tty_struct *tty, struct file *file,
|
|
unsigned int cmd, unsigned long arg);
|
|
extern void ircomm_tty_set_termios(struct tty_struct *tty,
|
|
struct ktermios *old_termios);
|
|
extern hashbin_t *ircomm_tty;
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|