The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/mii/ukphy.c

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    1 /*      $NetBSD: ukphy.c,v 1.2 1999/04/23 04:24:32 thorpej Exp $        */
    2 
    3 /*-
    4  * Copyright (c) 1998, 1999 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
    9  * NASA Ames Research Center, and by Frank van der Linden.
   10  *
   11  * Redistribution and use in source and binary forms, with or without
   12  * modification, are permitted provided that the following conditions
   13  * are met:
   14  * 1. Redistributions of source code must retain the above copyright
   15  *    notice, this list of conditions and the following disclaimer.
   16  * 2. Redistributions in binary form must reproduce the above copyright
   17  *    notice, this list of conditions and the following disclaimer in the
   18  *    documentation and/or other materials provided with the distribution.
   19  *
   20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   30  * POSSIBILITY OF SUCH DAMAGE.
   31  */
   32 
   33 /*-
   34  * Copyright (c) 1997 Manuel Bouyer.  All rights reserved.
   35  *
   36  * Redistribution and use in source and binary forms, with or without
   37  * modification, are permitted provided that the following conditions
   38  * are met:
   39  * 1. Redistributions of source code must retain the above copyright
   40  *    notice, this list of conditions and the following disclaimer.
   41  * 2. Redistributions in binary form must reproduce the above copyright
   42  *    notice, this list of conditions and the following disclaimer in the
   43  *    documentation and/or other materials provided with the distribution.
   44  *
   45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   51  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   52  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   53  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   54  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   55  */
   56 
   57 #include <sys/cdefs.h>
   58 __FBSDID("$FreeBSD$");
   59 
   60 /*
   61  * driver for generic unknown PHYs
   62  */
   63 
   64 #include <sys/param.h>
   65 #include <sys/systm.h>
   66 #include <sys/kernel.h>
   67 #include <sys/socket.h>
   68 #include <sys/errno.h>
   69 #include <sys/module.h>
   70 #include <sys/bus.h>
   71 
   72 #include <net/if.h>
   73 #include <net/if_media.h>
   74 
   75 #include <dev/mii/mii.h>
   76 #include <dev/mii/miivar.h>
   77 
   78 #include "miibus_if.h"
   79 
   80 static int ukphy_probe(device_t);
   81 static int ukphy_attach(device_t);
   82 
   83 static device_method_t ukphy_methods[] = {
   84         /* device interface */
   85         DEVMETHOD(device_probe,         ukphy_probe),
   86         DEVMETHOD(device_attach,        ukphy_attach),
   87         DEVMETHOD(device_detach,        mii_phy_detach),
   88         DEVMETHOD(device_shutdown,      bus_generic_shutdown),
   89         DEVMETHOD_END
   90 };
   91 
   92 static devclass_t ukphy_devclass;
   93 
   94 static driver_t ukphy_driver = {
   95         "ukphy",
   96         ukphy_methods,
   97         sizeof(struct mii_softc)
   98 };
   99 
  100 DRIVER_MODULE(ukphy, miibus, ukphy_driver, ukphy_devclass, 0, 0);
  101 
  102 static int      ukphy_service(struct mii_softc *, struct mii_data *, int);
  103 
  104 static const struct mii_phy_funcs ukphy_funcs = {
  105         ukphy_service,
  106         ukphy_status,
  107         mii_phy_reset
  108 };
  109 
  110 static int
  111 ukphy_probe(device_t dev)
  112 {
  113 
  114         /*
  115          * We know something is here, so always match at a low priority.
  116          */
  117         device_set_desc(dev, "Generic IEEE 802.3u media interface");
  118         return (BUS_PROBE_GENERIC);
  119 }
  120 
  121 static int
  122 ukphy_attach(device_t dev)
  123 {
  124         struct mii_softc *sc;
  125 
  126         sc = device_get_softc(dev);
  127 
  128         mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &ukphy_funcs, 1);
  129         mii_phy_setmedia(sc);
  130 
  131         return (0);
  132 }
  133 
  134 static int
  135 ukphy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
  136 {
  137 
  138         switch (cmd) {
  139         case MII_POLLSTAT:
  140                 break;
  141 
  142         case MII_MEDIACHG:
  143                 /*
  144                  * If the interface is not up, don't do anything.
  145                  */
  146                 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
  147                         break;
  148 
  149                 mii_phy_setmedia(sc);
  150                 break;
  151 
  152         case MII_TICK:
  153                 if (mii_phy_tick(sc) == EJUSTRETURN)
  154                         return (0);
  155                 break;
  156         }
  157 
  158         /* Update the media status. */
  159         PHY_STATUS(sc);
  160 
  161         /* Callback if something changed. */
  162         mii_phy_update(sc, cmd);
  163         return (0);
  164 }

Cache object: d56b9ad3b31c04a0ec25a3ecc5b5d3e1


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