123 lines
4.5 KiB
C
123 lines
4.5 KiB
C
/* $NetBSD: mii_ethersubr.c,v 1.3 2020/03/15 23:04:50 thorpej Exp $ */
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/*
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* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
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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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* 3. Neither the name of the project nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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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/*
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* Copyright (c) 1982, 1989, 1993
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* The Regents of the University of California. 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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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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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* @(#)if_ethersubr.c 8.2 (Berkeley) 4/4/96
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: mii_ethersubr.c,v 1.3 2020/03/15 23:04:50 thorpej Exp $");
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#define __IFMEDIA_PRIVATE
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/errno.h>
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#include <sys/device.h>
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#include <net/if.h>
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#include <net/if_types.h>
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#include <net/if_ether.h>
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#include <net/if_media.h>
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#include <dev/mii/mii.h>
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#include <dev/mii/miivar.h>
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int
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ether_mediachange(struct ifnet *ifp)
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{
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struct ethercom *ec = (struct ethercom *)ifp;
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int rc;
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KASSERT(ec->ec_mii != NULL);
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KASSERT(mii_locked(ec->ec_mii) ||
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ifmedia_islegacy(&ec->ec_mii->mii_media));
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if ((ifp->if_flags & IFF_UP) == 0)
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return 0;
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if ((rc = mii_mediachg(ec->ec_mii)) == ENXIO)
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return 0;
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return rc;
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}
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void
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ether_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr)
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{
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struct ethercom *ec = (struct ethercom *)ifp;
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struct mii_data *mii;
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KASSERT(ec->ec_mii != NULL);
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KASSERT(mii_locked(ec->ec_mii) ||
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ifmedia_islegacy(&ec->ec_mii->mii_media));
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#ifdef notyet
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if ((ifp->if_flags & IFF_RUNNING) == 0) {
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ifmr->ifm_active = IFM_ETHER | IFM_NONE;
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ifmr->ifm_status = 0;
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return;
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}
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#endif
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mii = ec->ec_mii;
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mii_pollstat(mii);
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ifmr->ifm_active = mii->mii_media_active;
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ifmr->ifm_status = mii->mii_media_status;
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}
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