1/*	$NetBSD: if_agrmonitor.c,v 1.6 2019/04/24 05:31:24 msaitoh 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_agrmonitor.c,v 1.6 2019/04/24 05:31:24 msaitoh Exp $");
31
32#include <sys/param.h>
33#include <sys/callout.h>
34#include <sys/systm.h>
35
36#include <net/if.h>
37#include <net/if_media.h>
38
39#include <net/agr/if_agrvar_impl.h>
40#include <net/agr/if_agrsubr.h>
41
42void
43agrport_monitor(struct agr_port *port)
44{
45	struct agr_softc *sc = AGR_SC_FROM_PORT(port);
46	u_int media;
47	u_int status;
48
49	media = IFM_ETHER | IFM_NONE;
50	status = IFM_AVALID;
51	if ((~port->port_ifp->if_flags & (IFF_RUNNING | IFF_UP)) == 0) {
52		int error;
53
54		error = agr_port_getmedia(port, &media, &status);
55		if (error) {
56#if defined(DEBUG)
57			printf("getmedia: error %d\n", error);
58#endif /* defined(DEBUG) */
59		}
60	}
61
62	if ((status & (IFM_AVALID | IFM_ACTIVE)) == IFM_AVALID)
63		media = IFM_ETHER | IFM_NONE; /* XXX ether */
64
65	if (media == IFM_NONE) {
66		/* possible eg. when the phy is not configured. */
67#if defined(DEBUG)
68		printf("%s: IFM_NONE\n", __func__);
69#endif /* defined(DEBUG) */
70		media = IFM_ETHER | IFM_NONE; /* XXX ether */
71	}
72
73	if (port->port_media == media)
74		return;
75
76	port->port_media = media;
77	if (sc->sc_iftop->iftop_portstate)
78		(*sc->sc_iftop->iftop_portstate)(port);
79}
80