/*- * =================================== * 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. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: src/sys/dev/hfa/fore_timer.c,v 1.9 2003/08/24 17:46:08 obrien Exp $"); /* * 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 <dev/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: src/sys/dev/hfa/fore_timer.c,v 1.9 2003/08/24 17:46:08 obrien Exp $"); #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); } } }