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if_agrtimer.c revision 1.1.6.2 
      1  1.1.6.2  kent /*	$NetBSD: if_agrtimer.c,v 1.1.6.2 2005/04/29 11:29:32 kent Exp $	*/
      2  1.1.6.2  kent 
      3  1.1.6.2  kent /*-
      4  1.1.6.2  kent  * Copyright (c)2005 YAMAMOTO Takashi,
      5  1.1.6.2  kent  * All rights reserved.
      6  1.1.6.2  kent  *
      7  1.1.6.2  kent  * Redistribution and use in source and binary forms, with or without
      8  1.1.6.2  kent  * modification, are permitted provided that the following conditions
      9  1.1.6.2  kent  * are met:
     10  1.1.6.2  kent  * 1. Redistributions of source code must retain the above copyright
     11  1.1.6.2  kent  *    notice, this list of conditions and the following disclaimer.
     12  1.1.6.2  kent  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1.6.2  kent  *    notice, this list of conditions and the following disclaimer in the
     14  1.1.6.2  kent  *    documentation and/or other materials provided with the distribution.
     15  1.1.6.2  kent  *
     16  1.1.6.2  kent  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     17  1.1.6.2  kent  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  1.1.6.2  kent  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  1.1.6.2  kent  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     20  1.1.6.2  kent  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  1.1.6.2  kent  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  1.1.6.2  kent  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  1.1.6.2  kent  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  1.1.6.2  kent  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  1.1.6.2  kent  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  1.1.6.2  kent  * SUCH DAMAGE.
     27  1.1.6.2  kent  */
     28  1.1.6.2  kent 
     29  1.1.6.2  kent #include <sys/cdefs.h>
     30  1.1.6.2  kent __KERNEL_RCSID(0, "$NetBSD: if_agrtimer.c,v 1.1.6.2 2005/04/29 11:29:32 kent Exp $");
     31  1.1.6.2  kent 
     32  1.1.6.2  kent #include <sys/param.h>
     33  1.1.6.2  kent #include <sys/systm.h>
     34  1.1.6.2  kent #include <sys/kernel.h>
     35  1.1.6.2  kent #include <sys/callout.h>
     36  1.1.6.2  kent 
     37  1.1.6.2  kent #include <net/if.h>
     38  1.1.6.2  kent 
     39  1.1.6.2  kent #include <net/agr/if_agrvar_impl.h>
     40  1.1.6.2  kent #include <net/agr/if_agrsubr.h>
     41  1.1.6.2  kent 
     42  1.1.6.2  kent static void agrtimer_tick(void *);
     43  1.1.6.2  kent static int agrtimer_port_tick(struct agr_port *, void *);
     44  1.1.6.2  kent 
     45  1.1.6.2  kent void
     46  1.1.6.2  kent agrtimer_init(struct agr_softc *sc)
     47  1.1.6.2  kent {
     48  1.1.6.2  kent 
     49  1.1.6.2  kent 	callout_init(&sc->sc_callout);
     50  1.1.6.2  kent 	callout_setfunc(&sc->sc_callout, agrtimer_tick, sc);
     51  1.1.6.2  kent }
     52  1.1.6.2  kent 
     53  1.1.6.2  kent void
     54  1.1.6.2  kent agrtimer_start(struct agr_softc *sc)
     55  1.1.6.2  kent {
     56  1.1.6.2  kent 
     57  1.1.6.2  kent 	callout_schedule(&sc->sc_callout, 0);
     58  1.1.6.2  kent }
     59  1.1.6.2  kent 
     60  1.1.6.2  kent void
     61  1.1.6.2  kent agrtimer_stop(struct agr_softc *sc)
     62  1.1.6.2  kent {
     63  1.1.6.2  kent 
     64  1.1.6.2  kent 	callout_stop(&sc->sc_callout);
     65  1.1.6.2  kent }
     66  1.1.6.2  kent 
     67  1.1.6.2  kent static void
     68  1.1.6.2  kent agrtimer_tick(void *arg)
     69  1.1.6.2  kent {
     70  1.1.6.2  kent 	struct agr_softc *sc = arg;
     71  1.1.6.2  kent 	const struct agr_iftype_ops *iftop = sc->sc_iftop;
     72  1.1.6.2  kent 	int s;
     73  1.1.6.2  kent 
     74  1.1.6.2  kent 	KASSERT(iftop);
     75  1.1.6.2  kent 
     76  1.1.6.2  kent 	s = AGR_LOCK(sc);
     77  1.1.6.2  kent 	if (iftop->iftop_tick) {
     78  1.1.6.2  kent 		(*iftop->iftop_tick)(sc);
     79  1.1.6.2  kent 	}
     80  1.1.6.2  kent 	if (iftop->iftop_porttick) {
     81  1.1.6.2  kent 		agr_port_foreach(sc, agrtimer_port_tick, sc);
     82  1.1.6.2  kent 	}
     83  1.1.6.2  kent 	callout_schedule(&sc->sc_callout, hz);
     84  1.1.6.2  kent 	AGR_UNLOCK(sc, s);
     85  1.1.6.2  kent }
     86  1.1.6.2  kent 
     87  1.1.6.2  kent static int
     88  1.1.6.2  kent agrtimer_port_tick(struct agr_port *port, void *arg)
     89  1.1.6.2  kent {
     90  1.1.6.2  kent 	struct agr_softc *sc = arg;
     91  1.1.6.2  kent 
     92  1.1.6.2  kent 	agrport_monitor(port);
     93  1.1.6.2  kent 	(*sc->sc_iftop->iftop_porttick)(sc, port);
     94  1.1.6.2  kent 
     95  1.1.6.2  kent 	return 0;
     96  1.1.6.2  kent }
     97