if_agrtimer.c revision 1.1 1 1.1 yamt /* $NetBSD: if_agrtimer.c,v 1.1 2005/03/18 11:11:50 yamt Exp $ */
2 1.1 yamt
3 1.1 yamt /*-
4 1.1 yamt * Copyright (c)2005 YAMAMOTO Takashi,
5 1.1 yamt * All rights reserved.
6 1.1 yamt *
7 1.1 yamt * Redistribution and use in source and binary forms, with or without
8 1.1 yamt * modification, are permitted provided that the following conditions
9 1.1 yamt * are met:
10 1.1 yamt * 1. Redistributions of source code must retain the above copyright
11 1.1 yamt * notice, this list of conditions and the following disclaimer.
12 1.1 yamt * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 yamt * notice, this list of conditions and the following disclaimer in the
14 1.1 yamt * documentation and/or other materials provided with the distribution.
15 1.1 yamt *
16 1.1 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 1.1 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 1.1 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 1.1 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 1.1 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 1.1 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 1.1 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 1.1 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 1.1 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 1.1 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 1.1 yamt * SUCH DAMAGE.
27 1.1 yamt */
28 1.1 yamt
29 1.1 yamt #include <sys/cdefs.h>
30 1.1 yamt __KERNEL_RCSID(0, "$NetBSD: if_agrtimer.c,v 1.1 2005/03/18 11:11:50 yamt Exp $");
31 1.1 yamt
32 1.1 yamt #include <sys/param.h>
33 1.1 yamt #include <sys/systm.h>
34 1.1 yamt #include <sys/kernel.h>
35 1.1 yamt #include <sys/callout.h>
36 1.1 yamt
37 1.1 yamt #include <net/if.h>
38 1.1 yamt
39 1.1 yamt #include <net/agr/if_agrvar_impl.h>
40 1.1 yamt #include <net/agr/if_agrsubr.h>
41 1.1 yamt
42 1.1 yamt static void agrtimer_tick(void *);
43 1.1 yamt static int agrtimer_port_tick(struct agr_port *, void *);
44 1.1 yamt
45 1.1 yamt void
46 1.1 yamt agrtimer_init(struct agr_softc *sc)
47 1.1 yamt {
48 1.1 yamt
49 1.1 yamt callout_init(&sc->sc_callout);
50 1.1 yamt callout_setfunc(&sc->sc_callout, agrtimer_tick, sc);
51 1.1 yamt }
52 1.1 yamt
53 1.1 yamt void
54 1.1 yamt agrtimer_start(struct agr_softc *sc)
55 1.1 yamt {
56 1.1 yamt
57 1.1 yamt callout_schedule(&sc->sc_callout, 0);
58 1.1 yamt }
59 1.1 yamt
60 1.1 yamt void
61 1.1 yamt agrtimer_stop(struct agr_softc *sc)
62 1.1 yamt {
63 1.1 yamt
64 1.1 yamt callout_stop(&sc->sc_callout);
65 1.1 yamt }
66 1.1 yamt
67 1.1 yamt static void
68 1.1 yamt agrtimer_tick(void *arg)
69 1.1 yamt {
70 1.1 yamt struct agr_softc *sc = arg;
71 1.1 yamt const struct agr_iftype_ops *iftop = sc->sc_iftop;
72 1.1 yamt int s;
73 1.1 yamt
74 1.1 yamt KASSERT(iftop);
75 1.1 yamt
76 1.1 yamt s = AGR_LOCK(sc);
77 1.1 yamt if (iftop->iftop_tick) {
78 1.1 yamt (*iftop->iftop_tick)(sc);
79 1.1 yamt }
80 1.1 yamt if (iftop->iftop_porttick) {
81 1.1 yamt agr_port_foreach(sc, agrtimer_port_tick, sc);
82 1.1 yamt }
83 1.1 yamt callout_schedule(&sc->sc_callout, hz);
84 1.1 yamt AGR_UNLOCK(sc, s);
85 1.1 yamt }
86 1.1 yamt
87 1.1 yamt static int
88 1.1 yamt agrtimer_port_tick(struct agr_port *port, void *arg)
89 1.1 yamt {
90 1.1 yamt struct agr_softc *sc = arg;
91 1.1 yamt
92 1.1 yamt agrport_monitor(port);
93 1.1 yamt (*sc->sc_iftop->iftop_porttick)(sc, port);
94 1.1 yamt
95 1.1 yamt return 0;
96 1.1 yamt }
97