92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
/* $NetBSD: if_agrmonitor.c,v 1.4 2008/03/24 09:14:52 yamt Exp $ */
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/*-
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* Copyright (c)2005 YAMAMOTO Takashi,
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: if_agrmonitor.c,v 1.4 2008/03/24 09:14:52 yamt Exp $");
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#include <sys/param.h>
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#include <sys/callout.h>
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#include <sys/systm.h>
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#include <net/if.h>
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#include <net/if_media.h>
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#include <net/agr/if_agrvar_impl.h>
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#include <net/agr/if_agrsubr.h>
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void
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agrport_monitor(struct agr_port *port)
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{
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struct agr_softc *sc = AGR_SC_FROM_PORT(port);
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u_int media;
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u_int status;
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/*
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* XXX XXX
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* assuming that it's safe to use SIOCGIFMEDIA from callout handler.
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* maybe it's better to have a worker thread.
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*/
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media = IFM_ETHER | IFM_NONE;
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status = IFM_AVALID;
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if ((~port->port_ifp->if_flags & (IFF_RUNNING | IFF_UP))
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== 0) {
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int error;
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error = agr_port_getmedia(port, &media, &status);
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if (error) {
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#if defined(DEBUG)
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printf("getmedia: error %d\n", error);
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#endif /* defined(DEBUG) */
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}
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}
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if ((status & (IFM_AVALID | IFM_ACTIVE)) == IFM_AVALID) {
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media = IFM_ETHER | IFM_NONE; /* XXX ether */
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}
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if (media == IFM_NONE) {
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/*
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* possible eg. when the phy is not configured.
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*/
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#if defined(DEBUG)
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printf("%s: IFM_NONE\n", __func__);
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#endif /* defined(DEBUG) */
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media = IFM_ETHER | IFM_NONE; /* XXX ether */
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}
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if (port->port_media == media) {
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return;
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}
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port->port_media = media;
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if (sc->sc_iftop->iftop_portstate) {
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(*sc->sc_iftop->iftop_portstate)(port);
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}
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}
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