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