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/* Copyright 2008-2012 Freescale Semiconductor, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Freescale Semiconductor nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
*
* ALTERNATIVELY, this software may be distributed under the terms of the
* GNU General Public License ("GPL") as published by the Free Software
* Foundation, either version 2 of that License or (at your option) any
* later version.
*
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define pr_fmt(fmt) \
KBUILD_MODNAME ": %s:%hu:%s() " fmt, \
KBUILD_BASENAME".c", __LINE__, __func__
#include <linux/string.h>
#include "dpaa_eth.h"
static int __cold dpa_get_settings(struct net_device *net_dev, struct ethtool_cmd *et_cmd)
{
int _errno;
struct dpa_priv_s *priv;
priv = netdev_priv(net_dev);
if (priv->mac_dev == NULL) {
netdev_info(net_dev, "This is a MAC-less interface\n");
return -ENODEV;
}
if (unlikely(priv->mac_dev->phy_dev == NULL)) {
netdev_err(net_dev, "phy device not initialized\n");
return -ENODEV;
}
_errno = phy_ethtool_gset(priv->mac_dev->phy_dev, et_cmd);
if (unlikely(_errno < 0))
netdev_err(net_dev, "phy_ethtool_gset() = %d\n", _errno);
return _errno;
}
static int __cold dpa_set_settings(struct net_device *net_dev, struct ethtool_cmd *et_cmd)
{
int _errno;
struct dpa_priv_s *priv;
priv = netdev_priv(net_dev);
if (priv->mac_dev == NULL) {
netdev_info(net_dev, "This is a MAC-less interface\n");
return -ENODEV;
}
if (unlikely(priv->mac_dev->phy_dev == NULL)) {
netdev_err(net_dev, "phy device not initialized\n");
return -ENODEV;
}
_errno = phy_ethtool_sset(priv->mac_dev->phy_dev, et_cmd);
if (unlikely(_errno < 0))
netdev_err(net_dev, "phy_ethtool_sset() = %d\n", _errno);
return _errno;
}
static void __cold dpa_get_drvinfo(struct net_device *net_dev, struct ethtool_drvinfo *drvinfo)
{
int _errno;
strncpy(drvinfo->driver, KBUILD_MODNAME,
sizeof(drvinfo->driver) - 1)[sizeof(drvinfo->driver)-1] = 0;
strncpy(drvinfo->version, VERSION,
sizeof(drvinfo->driver) - 1)[sizeof(drvinfo->version)-1] = 0;
_errno = snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%X", 0);
if (unlikely(_errno >= sizeof(drvinfo->fw_version))) { /* Truncated output */
netdev_notice(net_dev, "snprintf() = %d\n", _errno);
} else if (unlikely(_errno < 0)) {
netdev_warn(net_dev, "snprintf() = %d\n", _errno);
memset(drvinfo->fw_version, 0, sizeof(drvinfo->fw_version));
}
strncpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent),
sizeof(drvinfo->bus_info) - 1)[sizeof(drvinfo->bus_info)-1] = 0;
}
uint32_t __cold dpa_get_msglevel(struct net_device *net_dev)
{
return ((struct dpa_priv_s *)netdev_priv(net_dev))->msg_enable;
}
void __cold dpa_set_msglevel(struct net_device *net_dev, uint32_t msg_enable)
{
((struct dpa_priv_s *)netdev_priv(net_dev))->msg_enable = msg_enable;
}
int __cold dpa_nway_reset(struct net_device *net_dev)
{
int _errno;
struct dpa_priv_s *priv;
priv = netdev_priv(net_dev);
if (priv->mac_dev == NULL) {
netdev_info(net_dev, "This is a MAC-less interface\n");
return -ENODEV;
}
if (unlikely(priv->mac_dev->phy_dev == NULL)) {
netdev_err(net_dev, "phy device not initialized\n");
return -ENODEV;
}
_errno = 0;
if (priv->mac_dev->phy_dev->autoneg) {
_errno = phy_start_aneg(priv->mac_dev->phy_dev);
if (unlikely(_errno < 0))
netdev_err(net_dev, "phy_start_aneg() = %d\n",
_errno);
}
return _errno;
}
void __cold dpa_get_ringparam(struct net_device *net_dev, struct ethtool_ringparam *et_ringparam)
{
et_ringparam->rx_max_pending = 0;
et_ringparam->rx_mini_max_pending = 0;
et_ringparam->rx_jumbo_max_pending = 0;
et_ringparam->tx_max_pending = 0;
et_ringparam->rx_pending = 0;
et_ringparam->rx_mini_pending = 0;
et_ringparam->rx_jumbo_pending = 0;
et_ringparam->tx_pending = 0;
}
void __cold dpa_get_pauseparam(struct net_device *net_dev, struct ethtool_pauseparam *et_pauseparam)
{
struct dpa_priv_s *priv;
priv = netdev_priv(net_dev);
if (priv->mac_dev == NULL) {
netdev_info(net_dev, "This is a MAC-less interface\n");
return;
}
if (unlikely(priv->mac_dev->phy_dev == NULL)) {
netdev_err(net_dev, "phy device not initialized\n");
return;
}
et_pauseparam->autoneg = priv->mac_dev->autoneg_pause;
et_pauseparam->rx_pause = priv->mac_dev->rx_pause;
et_pauseparam->tx_pause = priv->mac_dev->tx_pause;
}
int __cold dpa_set_pauseparam(struct net_device *net_dev, struct ethtool_pauseparam *et_pauseparam)
{
struct dpa_priv_s *priv;
int _errno;
bool en;
priv = netdev_priv(net_dev);
if (priv->mac_dev == NULL) {
netdev_info(net_dev, "This is a MAC-less interface\n");
return -ENODEV;
}
if (unlikely(priv->mac_dev->phy_dev == NULL)) {
netdev_err(net_dev, "phy device not initialized\n");
return -ENODEV;
}
en = et_pauseparam->rx_pause ? true : false;
_errno = priv->mac_dev->set_rx_pause(
priv->mac_dev->get_mac_handle(priv->mac_dev), en);
if (unlikely(_errno < 0)) {
netdev_err(net_dev, "set_rx_pause() = %d\n", _errno);
return _errno;
}
en = et_pauseparam->tx_pause ? true : false;
_errno = priv->mac_dev->set_tx_pause(
priv->mac_dev->get_mac_handle(priv->mac_dev), en);
if (unlikely(_errno < 0)) {
netdev_err(net_dev, "set_tx_pause() = %d\n", _errno);
return _errno;
}
priv->mac_dev->autoneg_pause = et_pauseparam->autoneg;
priv->mac_dev->rx_pause = et_pauseparam->rx_pause;
priv->mac_dev->tx_pause = et_pauseparam->tx_pause;
return 0;
}
const struct ethtool_ops dpa_ethtool_ops = {
.get_settings = dpa_get_settings,
.set_settings = dpa_set_settings,
.get_drvinfo = dpa_get_drvinfo,
.get_msglevel = dpa_get_msglevel,
.set_msglevel = dpa_set_msglevel,
.nway_reset = dpa_nway_reset,
.get_ringparam = dpa_get_ringparam,
.get_pauseparam = dpa_get_pauseparam,
.set_pauseparam = dpa_set_pauseparam,
.self_test = NULL, /* TODO invoke the cold-boot unit-test? */
.get_ethtool_stats = NULL, /* TODO other stats, currently in debugfs */
.get_link = ethtool_op_get_link,
};
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