/*
* Copyright(c) 2005 - 2006 Attansic Corporation. All rights reserved.
* Copyright(c) 2006 Chris Snook <csnook@redhat.com>
* Copyright(c) 2006 Jay Cliburn <jcliburn@gmail.com>
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/ethtool.h>
#include <linux/netdevice.h>
#include <linux/mii.h>
#include <asm/uaccess.h>
#include "atl1.h"
struct atl1_stats {
char stat_string[ETH_GSTRING_LEN];
int sizeof_stat;
int stat_offset;
};
#define ATL1_STAT(m) sizeof(((struct atl1_adapter *)0)->m), \
offsetof(struct atl1_adapter, m)
static struct atl1_stats atl1_gstrings_stats[] = {
{"rx_packets", ATL1_STAT(soft_stats.rx_packets)},
{"tx_packets", ATL1_STAT(soft_stats.tx_packets)},
{"rx_bytes", ATL1_STAT(soft_stats.rx_bytes)},
{"tx_bytes", ATL1_STAT(soft_stats.tx_bytes)},
{"rx_errors", ATL1_STAT(soft_stats.rx_errors)},
{"tx_errors", ATL1_STAT(soft_stats.tx_errors)},
{"rx_dropped", ATL1_STAT(net_stats.rx_dropped)},
{"tx_dropped", ATL1_STAT(net_stats.tx_dropped)},
{"multicast", ATL1_STAT(soft_stats.multicast)},
{"collisions", ATL1_STAT(soft_stats.collisions)},
{"rx_length_errors", ATL1_STAT(soft_stats.rx_length_errors)},
{"rx_over_errors", ATL1_STAT(soft_stats.rx_missed_errors)},
{"rx_crc_errors", ATL1_STAT(soft_stats.rx_crc_errors)},
{"rx_frame_errors", ATL1_STAT(soft_stats.rx_frame_errors)},
{"rx_fifo_errors", ATL1_STAT(soft_stats.rx_fifo_errors)},
{"rx_missed_errors", ATL1_STAT(soft_stats.rx_missed_errors)},
{"tx_aborted_errors", ATL1_STAT(soft_stats.tx_aborted_errors)},
{"tx_carrier_errors", ATL1_STAT(soft_stats.tx_carrier_errors)},
{"tx_fifo_errors", ATL1_STAT(soft_stats.tx_fifo_errors)},
{"tx_window_errors", ATL1_STAT(soft_stats.tx_window_errors)},
{"tx_abort_exce_coll", ATL1_STAT(soft_stats.excecol)},
{"tx_abort_late_coll", ATL1_STAT(soft_stats.latecol)},
{"tx_deferred_ok", ATL1_STAT(soft_stats.deffer)},
{"tx_single_coll_ok", ATL1_STAT(soft_stats.scc)},
{"tx_multi_coll_ok", ATL1_STAT(soft_stats.mcc)},
{"tx_underun", ATL1_STAT(soft_stats.tx_underun)},
{"tx_trunc", ATL1_STAT(soft_stats.tx_trunc)},
{"tx_pause", ATL1_STAT(soft_stats.tx_pause)},
{"rx_pause", ATL1_STAT(soft_stats.rx_pause)},
{"rx_rrd_ov", ATL1_STAT(soft_stats.rx_rrd_ov)},
{"rx_trunc", ATL1_STAT(soft_stats.rx_trunc)}
};
static void atl1_get_ethtool_stats(struct net_device *netdev,
struct ethtool_stats *stats, u64 *data)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
int i;
char *p;
for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) {
p = (char *)adapter+atl1_gstrings_stats[i].stat_offset;
data[i] = (atl1_gstrings_stats[i].sizeof_stat ==
sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
}
}
static int atl1_get_stats_count(struct net_device *netdev)
{
return ARRAY_SIZE(atl1_gstrings_stats);
}
static int atl1_get_settings(struct net_device *netdev,
struct ethtool_cmd *ecmd)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
struct atl1_hw *hw = &adapter->hw;
ecmd->supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_1000baseT_Full |
SUPPORTED_Autoneg | SUPPORTED_TP);
ecmd->advertising = ADVERTISED_TP;
if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
hw->media_type == MEDIA_TYPE_1000M_FULL) {
ecmd->advertising |= ADVERTISED_Autoneg;
if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR) {
ecmd->advertising |= ADVERTISED_Autoneg;
ecmd->advertising |=
(ADVERTISED_10baseT_Half |
ADVERTISED_10baseT_Full |
ADVERTISED_100baseT_Half |
ADVERTISED_100baseT_Full |
ADVERTISED_1000baseT_Full);
}
else
ecmd->advertising |= (ADVERTISED_1000baseT_Full);
}
ecmd->port = PORT_TP;
ecmd->phy_address = 0;
ecmd->transceiver = XCVR_INTERNAL;
if (netif_carrier_ok(adapter->netdev)) {
u16 link_speed, link_duplex;
atl1_get_speed_and_duplex(hw, &link_speed, &link_duplex);
ecmd->speed = link_speed;
if (link_duplex == FULL_DUPLEX)
ecmd->duplex = DUPLEX_FULL;
else
ecmd->duplex = DUPLEX_HALF;
} else {
ecmd->speed = -1;
ecmd->duplex = -1;
}
if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
hw->media_type == MEDIA_TYPE_1000M_FULL)
ecmd->autoneg = AUTONEG_ENABLE;
else
ecmd->autoneg = AUTONEG_DISABLE;
return 0;
}
static int atl1_set_settings(struct net_device *netdev,
struct ethtool_cmd *ecmd)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
struct atl1_hw *hw = &adapter->hw;
u16 phy_data;
int ret_val = 0;
u16 old_media_type = hw->media_type;
if (netif_running(adapter->netdev)) {
printk(KERN_DEBUG "%s: ethtool shutting down adapter\n",
atl1_driver_name);
atl1_down(adapter);
}
if (ecmd->autoneg == AUTONEG_ENABLE)
hw->media_type = MEDIA_TYPE_AUTO_SENSOR;
else {
if (ecmd->speed == SPEED_1000) {
if (ecmd->duplex != DUPLEX_FULL) {
printk(KERN_WARNING
"%s: can't force to 1000M half duplex\n",
atl1_driver_name);
ret_val = -EINVAL;
goto exit_sset;
}
hw->media_type = MEDIA_TYPE_1000M_FULL;
} else if (ecmd->speed == SPEED_100) {
if (ecmd->duplex == DUPLEX_FULL) {
hw->media_type = MEDIA_TYPE_100M_FULL;
} else
hw->media_type = MEDIA_TYPE_100M_HALF;
} else {
if (ecmd->duplex == DUPLEX_FULL)
hw->media_type = MEDIA_TYPE_10M_FULL;
else
hw->media_type = MEDIA_TYPE_10M_HALF;
}
}
switch (hw->media_type) {
case MEDIA_TYPE_AUTO_SENSOR:
ecmd->advertising =
ADVERTISED_10baseT_Half |
ADVERTISED_10baseT_Full |
ADVERTISED_100baseT_Half |
ADVERTISED_100baseT_Full |
ADVERTISED_1000baseT_Full |
ADVERTISED_Autoneg | ADVERTISED_TP;
break;
case MEDIA_TYPE_1000M_FULL:
ecmd->advertising =
ADVERTISED_1000baseT_Full |
ADVERTISED_Autoneg | ADVERTISED_TP;
break;
default:
ecmd->advertising = 0;
break;
}
if (atl1_phy_setup_autoneg_adv(hw)) {
ret_val = -EINVAL;
printk(KERN_WARNING
"%s: invalid ethtool speed/duplex setting\n",
atl1_driver_name);
goto exit_sset;
}
if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
hw->media_type == MEDIA_TYPE_1000M_FULL)
phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN;
else {
switch (hw->media_type) {
case MEDIA_TYPE_100M_FULL:
phy_data =
MII_CR_FULL_DUPLEX | MII_CR_SPEED_100 |
MII_CR_RESET;
break;
case MEDIA_TYPE_100M_HALF:
phy_data = MII_CR_SPEED_100 | MII_CR_RESET;
break;
case MEDIA_TYPE_10M_FULL:
phy_data =
MII_CR_FULL_DUPLEX | MII_CR_SPEED_10 | MII_CR_RESET;
break;
default: /* MEDIA_TYPE_10M_HALF: */
phy_data = MII_CR_SPEED_10 | MII_CR_RESET;
break;
}
}
atl1_write_phy_reg(hw, MII_BMCR, phy_data);
exit_sset:
if (ret_val)
hw->media_type = old_media_type;
if (netif_running(adapter->netdev)) {
printk(KERN_DEBUG "%s: ethtool starting adapter\n",
atl1_driver_name);
atl1_up(adapter);
} else if (!ret_val) {
printk(KERN_DEBUG "%s: ethtool resetting adapter\n",
atl1_driver_name);
atl1_reset(adapter);
}
return ret_val;
}
static void atl1_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
strncpy(drvinfo->driver, atl1_driver_name, sizeof(drvinfo->driver));
strncpy(drvinfo->version, atl1_driver_version,
sizeof(drvinfo->version));
strncpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
strncpy(drvinfo->bus_info, pci_name(adapter->pdev),
sizeof(drvinfo->bus_info));
drvinfo->eedump_len = ATL1_EEDUMP_LEN;
}
static void atl1_get_wol(struct net_device *netdev,
struct ethtool_wolinfo *wol)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
wol->supported = WAKE_UCAST | WAKE_MCAST | WAKE_BCAST | WAKE_MAGIC;
wol->wolopts = 0;
if (adapter->wol & ATL1_WUFC_EX)
wol->wolopts |= WAKE_UCAST;
if (adapter->wol & ATL1_WUFC_MC)
wol->wolopts |= WAKE_MCAST;
if (adapter->wol & ATL1_WUFC_BC)
wol->wolopts |= WAKE_BCAST;
if (adapter->wol & ATL1_WUFC_MAG)
wol->wolopts |= WAKE_MAGIC;
return;
}
static int atl1_set_wol(struct net_device *netdev,
struct ethtool_wolinfo *wol)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
return -EOPNOTSUPP;
adapter->wol = 0;
if (wol->wolopts & WAKE_UCAST)
adapter->wol |= ATL1_WUFC_EX;
if (wol->wolopts & WAKE_MCAST)
adapter->wol |= ATL1_WUFC_MC;
if (wol->wolopts & WAKE_BCAST)
adapter->wol |= ATL1_WUFC_BC;
if (wol->wolopts & WAKE_MAGIC)
adapter->wol |= ATL1_WUFC_MAG;
return 0;
}
static void atl1_get_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
struct atl1_tpd_ring *txdr = &adapter->tpd_ring;
struct atl1_rfd_ring *rxdr = &adapter->rfd_ring;
ring->rx_max_pending = ATL1_MAX_RFD;
ring->tx_max_pending = ATL1_MAX_TPD;
ring->rx_mini_max_pending = 0;
ring->rx_jumbo_max_pending = 0;
ring->rx_pending = rxdr->count;
ring->tx_pending = txdr->count;
ring->rx_mini_pending = 0;
ring->rx_jumbo_pending = 0;
}
static int atl1_set_ringparam(struct net_device *netdev,
struct ethtool_ringparam *ring)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
struct atl1_tpd_ring *tpdr = &adapter->tpd_ring;
struct atl1_rrd_ring *rrdr = &adapter->rrd_ring;
struct atl1_rfd_ring *rfdr = &adapter->rfd_ring;
struct atl1_tpd_ring tpd_old, tpd_new;
struct atl1_rfd_ring rfd_old, rfd_new;
struct atl1_rrd_ring rrd_old, rrd_new;
struct atl1_ring_header rhdr_old, rhdr_new;
int err;
tpd_old = adapter->tpd_ring;
rfd_old = adapter->rfd_ring;
rrd_old = adapter->rrd_ring;
rhdr_old = adapter->ring_header;
if (netif_running(adapter->netdev))
atl1_down(adapter);
rfdr->count = (u16) max(ring->rx_pending, (u32) ATL1_MIN_RFD);
rfdr->count = rfdr->count > ATL1_MAX_RFD ? ATL1_MAX_RFD :
rfdr->count;
rfdr->count = (rfdr->count + 3) & ~3;
rrdr->count = rfdr->count;
tpdr->count = (u16) max(ring->tx_pending, (u32) ATL1_MIN_TPD);
tpdr->count = tpdr->count > ATL1_MAX_TPD ? ATL1_MAX_TPD :
tpdr->count;
tpdr->count = (tpdr->count + 3) & ~3;
if (netif_running(adapter->netdev)) {
/* try to get new resources before deleting old */
err = atl1_setup_ring_resources(adapter);
if (err)
goto err_setup_ring;
/*
* save the new, restore the old in order to free it,
* then restore the new back again
*/
rfd_new = adapter->rfd_ring;
rrd_new = adapter->rrd_ring;
tpd_new = adapter->tpd_ring;
rhdr_new = adapter->ring_header;
adapter->rfd_ring = rfd_old;
adapter->rrd_ring = rrd_old;
adapter->tpd_ring = tpd_old;
adapter->ring_header = rhdr_old;
atl1_free_ring_resources(adapter);
adapter->rfd_ring = rfd_new;
adapter->rrd_ring = rrd_new;
adapter->tpd_ring = tpd_new;
adapter->ring_header = rhdr_new;
err = atl1_up(adapter);
if (err)
return err;
}
return 0;
err_setup_ring:
adapter->rfd_ring = rfd_old;
adapter->rrd_ring = rrd_old;
adapter->tpd_ring = tpd_old;
adapter->ring_header = rhdr_old;
atl1_up(adapter);
return err;
}
static void atl1_get_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *epause)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
struct atl1_hw *hw = &adapter->hw;
if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
hw->media_type == MEDIA_TYPE_1000M_FULL) {
epause->autoneg = AUTONEG_ENABLE;
} else {
epause->autoneg = AUTONEG_DISABLE;
}
epause->rx_pause = 1;
epause->tx_pause = 1;
}
static int atl1_set_pauseparam(struct net_device *netdev,
struct ethtool_pauseparam *epause)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
struct atl1_hw *hw = &adapter->hw;
if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
hw->media_type == MEDIA_TYPE_1000M_FULL) {
epause->autoneg = AUTONEG_ENABLE;
} else {
epause->autoneg = AUTONEG_DISABLE;
}
epause->rx_pause = 1;
epause->tx_pause = 1;
return 0;
}
static u32 atl1_get_rx_csum(struct net_device *netdev)
{
return 1;
}
static void atl1_get_strings(struct net_device *netdev, u32 stringset,
u8 *data)
{
u8 *p = data;
int i;
switch (stringset) {
case ETH_SS_STATS:
for (i = 0; i < ARRAY_SIZE(atl1_gstrings_stats); i++) {
memcpy(p, atl1_gstrings_stats[i].stat_string,
ETH_GSTRING_LEN);
p += ETH_GSTRING_LEN;
}
break;
}
}
static int atl1_nway_reset(struct net_device *netdev)
{
struct atl1_adapter *adapter = netdev_priv(netdev);
struct atl1_hw *hw = &adapter->hw;
if (netif_running(netdev)) {
u16 phy_data;
atl1_down(adapter);
if (hw->media_type == MEDIA_TYPE_AUTO_SENSOR ||
hw->media_type == MEDIA_TYPE_1000M_FULL) {
phy_data = MII_CR_RESET | MII_CR_AUTO_NEG_EN;
} else {
switch (hw->media_type) {
case MEDIA_TYPE_100M_FULL:
phy_data = MII_CR_FULL_DUPLEX |
MII_CR_SPEED_100 | MII_CR_RESET;
break;
case MEDIA_TYPE_100M_HALF:
phy_data = MII_CR_SPEED_100 | MII_CR_RESET;
break;
case MEDIA_TYPE_10M_FULL:
phy_data = MII_CR_FULL_DUPLEX |
MII_CR_SPEED_10 | MII_CR_RESET;
break;
default: /* MEDIA_TYPE_10M_HALF */
phy_data = MII_CR_SPEED_10 | MII_CR_RESET;
}
}
atl1_write_phy_reg(hw, MII_BMCR, phy_data);
atl1_up(adapter);
}
return 0;
}
const struct ethtool_ops atl1_ethtool_ops = {
.get_settings = atl1_get_settings,
.set_settings = atl1_set_settings,
.get_drvinfo = atl1_get_drvinfo,
.get_wol = atl1_get_wol,
.set_wol = atl1_set_wol,
.get_ringparam = atl1_get_ringparam,
.set_ringparam = atl1_set_ringparam,
.get_pauseparam = atl1_get_pauseparam,
.set_pauseparam = atl1_set_pauseparam,
.get_rx_csum = atl1_get_rx_csum,
.get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = ethtool_op_set_tx_hw_csum,
.get_link = ethtool_op_get_link,
.get_sg = ethtool_op_get_sg,
.set_sg = ethtool_op_set_sg,
.get_strings = atl1_get_strings,
.nway_reset = atl1_nway_reset,
.get_ethtool_stats = atl1_get_ethtool_stats,
.get_stats_count = atl1_get_stats_count,
.get_tso = ethtool_op_get_tso,
.set_tso = ethtool_op_set_tso,
};
