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/*
* AX.25 release 036
*
* This is ALPHA test software. This code may break your machine, randomly fail to work with new
* releases, misbehave and/or generally screw up. It might even work.
*
* This code REQUIRES 2.1.15 or higher/ NET3.038
*
* This module:
* This module 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.
*
* History
* AX.25 028a Jonathan(G4KLX) New state machine based on SDL diagrams.
* AX.25 028b Jonathan(G4KLX) Extracted AX25 control block from the
* sock structure.
* AX.25 029 Alan(GW4PTS) Switched to KA9Q constant names.
* AX.25 031 Joerg(DL1BKE) Added DAMA support
* AX.25 032 Joerg(DL1BKE) Fixed DAMA timeout bug
* AX.25 033 Jonathan(G4KLX) Modularisation functions.
* AX.25 035 Frederic(F1OAT) Support for pseudo-digipeating.
* AX.25 036 Jonathan(G4KLX) Split Standard and DAMA code into seperate files.
* Joerg(DL1BKE) Fixed DAMA Slave. We are *required* to start with
* standard AX.25 mode.
*/
#include <linux/config.h>
#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/sockios.h>
#include <linux/net.h>
#include <net/ax25.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
#include <linux/skbuff.h>
#include <net/sock.h>
#include <asm/uaccess.h>
#include <asm/system.h>
#include <linux/fcntl.h>
#include <linux/mm.h>
#include <linux/interrupt.h>
static void ax25_timer(unsigned long);
/*
* Linux set timer
*/
void ax25_set_timer(ax25_cb *ax25)
{
unsigned long flags;
save_flags(flags); cli();
del_timer(&ax25->timer);
restore_flags(flags);
ax25->timer.data = (unsigned long)ax25;
ax25->timer.function = &ax25_timer;
ax25->timer.expires = jiffies + (HZ / 10);
add_timer(&ax25->timer);
}
/*
* AX.25 TIMER
*
* This routine is called every 100ms. Decrement timer by this
* amount - if expired then process the event.
*/
static void ax25_timer(unsigned long param)
{
ax25_cb *ax25 = (ax25_cb *)param;
switch (ax25->ax25_dev->values[AX25_VALUES_PROTOCOL]) {
case AX25_PROTO_STD_SIMPLEX:
case AX25_PROTO_STD_DUPLEX:
ax25_std_timer(ax25);
break;
#ifdef CONFIG_AX25_DAMA_SLAVE
case AX25_PROTO_DAMA_SLAVE:
if (ax25->ax25_dev->dama.slave)
ax25_ds_timer(ax25);
else
ax25_std_timer(ax25);
break;
#endif
}
}
#endif
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