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 | |
42 | static void agrtimer_tick(void *); |
43 | static int agrtimer_port_tick(struct agr_port *, void *); |
44 | |
45 | void |
46 | agrtimer_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 | |
53 | void |
54 | agrtimer_destroy(struct agr_softc *sc) |
55 | { |
56 | |
57 | callout_destroy(&sc->sc_callout); |
58 | } |
59 | |
60 | void |
61 | agrtimer_start(struct agr_softc *sc) |
62 | { |
63 | |
64 | callout_schedule(&sc->sc_callout, 0); |
65 | } |
66 | |
67 | void |
68 | agrtimer_stop(struct agr_softc *sc) |
69 | { |
70 | |
71 | callout_stop(&sc->sc_callout); |
72 | } |
73 | |
74 | static void |
75 | agrtimer_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 | |
93 | static int |
94 | agrtimer_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 | |