1/* $NetBSD: if_agrtimer.c,v 1.6 2010/02/08 17:59:06 dyoung Exp $ */
2
3/*-
4 * Copyright (c)2005 YAMAMOTO Takashi,
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__KERNEL_RCSID(0, "$NetBSD: if_agrtimer.c,v 1.6 2010/02/08 17:59:06 dyoung Exp $");
31
32#include <sys/param.h>
33#include <sys/callout.h>
34#include <sys/systm.h>
35#include <sys/kernel.h>
36
37#include <net/if.h>
38
39#include <net/agr/if_agrvar_impl.h>
40#include <net/agr/if_agrsubr.h>
41
42static void agrtimer_tick(void *);
43static int agrtimer_port_tick(struct agr_port *, void *);
44
45void
46agrtimer_init(struct agr_softc *sc)
47{
48
49 callout_init(&sc->sc_callout, 0);
50 callout_setfunc(&sc->sc_callout, agrtimer_tick, sc);
51}
52
53void
54agrtimer_destroy(struct agr_softc *sc)
55{
56
57 callout_destroy(&sc->sc_callout);
58}
59
60void
61agrtimer_start(struct agr_softc *sc)
62{
63
64 callout_schedule(&sc->sc_callout, 0);
65}
66
67void
68agrtimer_stop(struct agr_softc *sc)
69{
70
71 callout_stop(&sc->sc_callout);
72}
73
74static void
75agrtimer_tick(void *arg)
76{
77 struct agr_softc *sc = arg;
78 const struct agr_iftype_ops *iftop = sc->sc_iftop;
79
80 KASSERT(iftop);
81
82 AGR_LOCK(sc);
83 if (iftop->iftop_tick) {
84 (*iftop->iftop_tick)(sc);
85 }
86 if (iftop->iftop_porttick) {
87 agr_port_foreach(sc, agrtimer_port_tick, sc);
88 }
89 callout_schedule(&sc->sc_callout, hz);
90 AGR_UNLOCK(sc);
91}
92
93static int
94agrtimer_port_tick(struct agr_port *port, void *arg)
95{
96 struct agr_softc *sc = arg;
97
98 agrport_monitor(port);
99 (*sc->sc_iftop->iftop_porttick)(sc, port);
100
101 return 0;
102}
103