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/*
*
* ===================================
* HARP | Host ATM Research Platform
* ===================================
*
*
* This Host ATM Research Platform ("HARP") file (the "Software") is
* made available by Network Computing Services, Inc. ("NetworkCS")
* "AS IS". NetworkCS does not provide maintenance, improvements or
* support of any kind.
*
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
* In no event shall NetworkCS be responsible for any damages, including
* but not limited to consequential damages, arising from or relating to
* any use of the Software or related support.
*
* Copyright 1994-1998 Network Computing Services, Inc.
*
* Copies of this Software may be made, however, the above copyright
* notice must be reproduced on all copies.
*
* @(#) $FreeBSD$
*
*/
/*
* FORE Systems 200-Series Adapter Support
* ---------------------------------------
*
* Timer processing
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <net/if.h>
#include <netatm/port.h>
#include <netatm/queue.h>
#include <netatm/atm.h>
#include <netatm/atm_sys.h>
#include <netatm/atm_sap.h>
#include <netatm/atm_cm.h>
#include <netatm/atm_if.h>
#include <netatm/atm_stack.h>
#include <netatm/atm_pcb.h>
#include <netatm/atm_var.h>
#include <pci/pcivar.h>
#include <dev/hfa/fore.h>
#include <dev/hfa/fore_aali.h>
#include <dev/hfa/fore_slave.h>
#include <dev/hfa/fore_stats.h>
#include <dev/hfa/fore_var.h>
#include <dev/hfa/fore_include.h>
#ifndef lint
__RCSID("@(#) $FreeBSD$");
#endif
/*
* Process a Fore timer tick
*
* This function is called every FORE_TIME_TICK seconds in order to update
* all of the unit watchdog timers.
*
* Called at splnet.
*
* Arguments:
* tip pointer to fore timer control block
*
* Returns:
* none
*
*/
void
fore_timeout(tip)
struct atm_time *tip;
{
Fore_unit *fup;
int i;
/*
* Schedule next timeout
*/
atm_timeout(&fore_timer, ATM_HZ * FORE_TIME_TICK, fore_timeout);
/*
* Run through all units, updating each active timer.
* If an expired timer is found, notify that unit.
*/
for (i = 0; i < fore_nunits; i++) {
if ((fup = fore_units[i]) == NULL)
continue;
/*
* Decrement timer, if it's active
*/
if (fup->fu_timer && (--fup->fu_timer == 0)) {
/*
* Timeout occurred - go check out the queues
*/
ATM_DEBUG0("fore_timeout\n");
DEVICE_LOCK((Cmn_unit *)fup);
fore_watchdog(fup);
DEVICE_UNLOCK((Cmn_unit *)fup);
}
}
}
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