linux-imx

/*

​

    mii.c: MII interface library

​

    Maintained by Jeff Garzik <jgarzik@pobox.com>

    Copyright 2001,2002 Jeff Garzik

​

    Various code came from myson803.c and other files by

    Donald Becker.  Copyright:

​

        Written 1998-2002 by Donald Becker.

​

        This software may be used and distributed according

        to the terms of the GNU General Public License (GPL),

        incorporated herein by reference.  Drivers based on

        or derived from this code fall under the GPL and must

        retain the authorship, copyright and license notice.

        This file is not a complete program and may only be

        used when the entire operating system is licensed

        under the GPL.

​

        The author may be reached as becker@scyld.com, or C/O

        Scyld Computing Corporation

        410 Severn Ave., Suite 210

        Annapolis MD 21403

​

​

 */

​

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/netdevice.h>

#include <linux/ethtool.h>

#include <linux/mii.h>

​

static u32 mii_get_an(struct mii_if_info *mii, u16 addr)

{

    int advert;

​

    advert = mii->mdio_read(mii->dev, mii->phy_id, addr);

​

    return mii_lpa_to_ethtool_lpa_t(advert);

}

​

/**

 * mii_ethtool_gset - get settings that are specified in @ecmd

 * @mii: MII interface

 * @ecmd: requested ethtool_cmd

 *

 * The @ecmd parameter is expected to have been cleared before calling

 * mii_ethtool_gset().

 *

 * Returns 0 for success, negative on error.

 */

int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd)

{

    struct net_device *dev = mii->dev;

    u16 bmcr, bmsr, ctrl1000 = 0, stat1000 = 0;

    u32 nego;

​

    ecmd->supported =

        (SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full |

         SUPPORTED_100baseT_Half | SUPPORTED_100baseT_Full |