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/*
* AX.25 usermode device driver.
* Copyright (C) 1999-2000 Maxim Krasnyansky <max_mk@yahoo.com>
* Copyright 2001, by Joerg Reuter <jreuter@yaina.de>
*
* 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.
*
*/
#ifndef __IF_AX25_UDEV_H
#define __IF_AX25_UDEV_H
#define AX25_UDEV_VER "0.1"
#define AX25_UDEV_DEBUG
/* Uncomment to enable debugging */
/* #define AX25_UDEV_DEBUG 1 */
#ifdef __KERNEL__
#ifdef AX25_UDEV_DEBUG
#define DBG if(ax25_udev->debug)printk
#define DBG1 if(debug==2)printk
#else
#define DBG( a... )
#define DBG1( a... )
#endif
struct ax25_udev_struct {
char name[IFNAMSIZ];
unsigned long flags;
struct fasync_struct *fasync;
wait_queue_head_t read_wait;
struct net_device dev;
struct sk_buff_head txq;
struct net_device_stats stats;
struct ax25_dev ax25_dev;
struct {
int duplex;
int arbitration;
} capabilities;
struct {
int dcd:1;
int cts:1;
int rts:1;
int ptt:1;
} status;
#ifdef AX25_UDEV_DEBUG
int debug;
#endif
};
#endif /* __KERNEL__ */
/* Number of devices */
#define AX25_UDEV_MAX_DEV 255
/* TX queue size */
#define AX25_UDEV_TXQ_SIZE 10
/* Max frame size */
#define AX25_UDEV_MAX_FRAME 4096
/* AX25_UDEV device flags */
#define AX25_UDEV_TYPE_MASK 0x000f
#define AX25_UDEV_FASYNC 0x0010
#define AX25_UDEV_IFF_SET 0x1000
/* AX25_UDEV IFF ioctl */
#define AX25_UDEV_SETIFF _IOW(0x25, 0, void *)
#define AX25_UDEV_SETDEBUG _IOW(0x25, 1, int)
/* Packet layout:
*
* (int) packet_type
* (int) data
* ...
*
* Exception for AX25_UDEV_DATA:
* (int) 0
* (char) octet
* ...
*
*/
typedef enum ax25_user_dev_commands_e {
AX25_UDEV_DATA,
AX25_UDEV_CAPABILITIES,
AX25_UDEV_DCD_STATUS,
AX25_UDEV_CTS_STATUS,
AX25_UDEV_PTT_STATUS,
AX25_UDEV_SET_MAC_VALUE,
AX25_UDEV_REQUEST_RTS
} ax25_user_dev_commands_t;
typedef enum ax25_user_dev_capabilities_e {
AX25_UDEV_CAP_HALF_DUPLEX,
AX25_UDEV_CAP_FULL_DUPLEX,
AX25_UDEV_CAP_ADVANCED_ARBITRATION,
AX25_UDEV_CAP_OWN_ARBITRATION,
AX25_UDEV_CAP_SIMPLE_ARBITRATION
} ax25_user_dev_capabilities_t;
typedef int ax25_udev_pt_t;
typedef int ax25_udev_val_t;
#endif /* __IF_AX25_UDEV_H */
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