Edit File: ircomm_tty.h
/********************************************************************* * * 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, see <http://www.gnu.org/licenses/>. * ********************************************************************/ #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) /* * IrCOMM TTY driver state */ struct ircomm_tty_cb { irda_queue_t queue; /* Must be first */ struct tty_port port; magic_t magic; int state; /* Connect state */ 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; __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; struct timer_list watchdog_timer; struct work_struct tqueue; /* Protect concurent access to : * 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); extern int ircomm_tty_tiocmset(struct tty_struct *tty, unsigned int set, unsigned int clear); extern int ircomm_tty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg); extern void ircomm_tty_set_termios(struct tty_struct *tty, struct ktermios *old_termios); #endif