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path: root/drivers/net/ethernet/atheros/alx/ethtool.c
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Diffstat (limited to 'drivers/net/ethernet/atheros/alx/ethtool.c')
-rw-r--r--drivers/net/ethernet/atheros/alx/ethtool.c272
1 files changed, 272 insertions, 0 deletions
diff --git a/drivers/net/ethernet/atheros/alx/ethtool.c b/drivers/net/ethernet/atheros/alx/ethtool.c
new file mode 100644
index 00000000000..6fa2aec2bc8
--- /dev/null
+++ b/drivers/net/ethernet/atheros/alx/ethtool.c
@@ -0,0 +1,272 @@
+/*
+ * Copyright (c) 2013 Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This file is free software: you may copy, redistribute 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 file 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, see <http://www.gnu.org/licenses/>.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *
+ * Copyright (c) 2012 Qualcomm Atheros, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/pci.h>
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/mdio.h>
+#include <linux/interrupt.h>
+#include <asm/byteorder.h>
+
+#include "alx.h"
+#include "reg.h"
+#include "hw.h"
+
+
+static int alx_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
+{
+ struct alx_priv *alx = netdev_priv(netdev);
+ struct alx_hw *hw = &alx->hw;
+
+ ecmd->supported = SUPPORTED_10baseT_Half |
+ SUPPORTED_10baseT_Full |
+ SUPPORTED_100baseT_Half |
+ SUPPORTED_100baseT_Full |
+ SUPPORTED_Autoneg |
+ SUPPORTED_TP |
+ SUPPORTED_Pause;
+ if (alx_hw_giga(hw))
+ ecmd->supported |= SUPPORTED_1000baseT_Full;
+
+ ecmd->advertising = ADVERTISED_TP;
+ if (hw->adv_cfg & ADVERTISED_Autoneg)
+ ecmd->advertising |= hw->adv_cfg;
+
+ ecmd->port = PORT_TP;
+ ecmd->phy_address = 0;
+ if (hw->adv_cfg & ADVERTISED_Autoneg)
+ ecmd->autoneg = AUTONEG_ENABLE;
+ else
+ ecmd->autoneg = AUTONEG_DISABLE;
+ ecmd->transceiver = XCVR_INTERNAL;
+
+ if (hw->flowctrl & ALX_FC_ANEG && hw->adv_cfg & ADVERTISED_Autoneg) {
+ if (hw->flowctrl & ALX_FC_RX) {
+ ecmd->advertising |= ADVERTISED_Pause;
+
+ if (!(hw->flowctrl & ALX_FC_TX))
+ ecmd->advertising |= ADVERTISED_Asym_Pause;
+ } else if (hw->flowctrl & ALX_FC_TX) {
+ ecmd->advertising |= ADVERTISED_Asym_Pause;
+ }
+ }
+
+ if (hw->link_speed != SPEED_UNKNOWN) {
+ ethtool_cmd_speed_set(ecmd,
+ hw->link_speed - hw->link_speed % 10);
+ ecmd->duplex = hw->link_speed % 10;
+ } else {
+ ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
+ ecmd->duplex = DUPLEX_UNKNOWN;
+ }
+
+ return 0;
+}
+
+static int alx_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
+{
+ struct alx_priv *alx = netdev_priv(netdev);
+ struct alx_hw *hw = &alx->hw;
+ u32 adv_cfg;
+
+ ASSERT_RTNL();
+
+ if (ecmd->autoneg == AUTONEG_ENABLE) {
+ if (ecmd->advertising & ADVERTISED_1000baseT_Half)
+ return -EINVAL;
+ adv_cfg = ecmd->advertising | ADVERTISED_Autoneg;
+ } else {
+ int speed = ethtool_cmd_speed(ecmd);
+
+ switch (speed + ecmd->duplex) {
+ case SPEED_10 + DUPLEX_HALF:
+ adv_cfg = ADVERTISED_10baseT_Half;
+ break;
+ case SPEED_10 + DUPLEX_FULL:
+ adv_cfg = ADVERTISED_10baseT_Full;
+ break;
+ case SPEED_100 + DUPLEX_HALF:
+ adv_cfg = ADVERTISED_100baseT_Half;
+ break;
+ case SPEED_100 + DUPLEX_FULL:
+ adv_cfg = ADVERTISED_100baseT_Full;
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ hw->adv_cfg = adv_cfg;
+ return alx_setup_speed_duplex(hw, adv_cfg, hw->flowctrl);
+}
+
+static void alx_get_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct alx_priv *alx = netdev_priv(netdev);
+ struct alx_hw *hw = &alx->hw;
+
+ if (hw->flowctrl & ALX_FC_ANEG &&
+ hw->adv_cfg & ADVERTISED_Autoneg)
+ pause->autoneg = AUTONEG_ENABLE;
+ else
+ pause->autoneg = AUTONEG_DISABLE;
+
+ if (hw->flowctrl & ALX_FC_TX)
+ pause->tx_pause = 1;
+ else
+ pause->tx_pause = 0;
+
+ if (hw->flowctrl & ALX_FC_RX)
+ pause->rx_pause = 1;
+ else
+ pause->rx_pause = 0;
+}
+
+
+static int alx_set_pauseparam(struct net_device *netdev,
+ struct ethtool_pauseparam *pause)
+{
+ struct alx_priv *alx = netdev_priv(netdev);
+ struct alx_hw *hw = &alx->hw;
+ int err = 0;
+ bool reconfig_phy = false;
+ u8 fc = 0;
+
+ if (pause->tx_pause)
+ fc |= ALX_FC_TX;
+ if (pause->rx_pause)
+ fc |= ALX_FC_RX;
+ if (pause->autoneg)
+ fc |= ALX_FC_ANEG;
+
+ ASSERT_RTNL();
+
+ /* restart auto-neg for auto-mode */
+ if (hw->adv_cfg & ADVERTISED_Autoneg) {
+ if (!((fc ^ hw->flowctrl) & ALX_FC_ANEG))
+ reconfig_phy = true;
+ if (fc & hw->flowctrl & ALX_FC_ANEG &&
+ (fc ^ hw->flowctrl) & (ALX_FC_RX | ALX_FC_TX))
+ reconfig_phy = true;
+ }
+
+ if (reconfig_phy) {
+ err = alx_setup_speed_duplex(hw, hw->adv_cfg, fc);
+ return err;
+ }
+
+ /* flow control on mac */
+ if ((fc ^ hw->flowctrl) & (ALX_FC_RX | ALX_FC_TX))
+ alx_cfg_mac_flowcontrol(hw, fc);
+
+ hw->flowctrl = fc;
+
+ return 0;
+}
+
+static u32 alx_get_msglevel(struct net_device *netdev)
+{
+ struct alx_priv *alx = netdev_priv(netdev);
+
+ return alx->msg_enable;
+}
+
+static void alx_set_msglevel(struct net_device *netdev, u32 data)
+{
+ struct alx_priv *alx = netdev_priv(netdev);
+
+ alx->msg_enable = data;
+}
+
+static void alx_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+ struct alx_priv *alx = netdev_priv(netdev);
+ struct alx_hw *hw = &alx->hw;
+
+ wol->supported = WAKE_MAGIC | WAKE_PHY;
+ wol->wolopts = 0;
+
+ if (hw->sleep_ctrl & ALX_SLEEP_WOL_MAGIC)
+ wol->wolopts |= WAKE_MAGIC;
+ if (hw->sleep_ctrl & ALX_SLEEP_WOL_PHY)
+ wol->wolopts |= WAKE_PHY;
+}
+
+static int alx_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+ struct alx_priv *alx = netdev_priv(netdev);
+ struct alx_hw *hw = &alx->hw;
+
+ if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
+ WAKE_UCAST | WAKE_BCAST | WAKE_MCAST))
+ return -EOPNOTSUPP;
+
+ hw->sleep_ctrl = 0;
+
+ if (wol->wolopts & WAKE_MAGIC)
+ hw->sleep_ctrl |= ALX_SLEEP_WOL_MAGIC;
+ if (wol->wolopts & WAKE_PHY)
+ hw->sleep_ctrl |= ALX_SLEEP_WOL_PHY;
+
+ device_set_wakeup_enable(&alx->hw.pdev->dev, hw->sleep_ctrl);
+
+ return 0;
+}
+
+static void alx_get_drvinfo(struct net_device *netdev,
+ struct ethtool_drvinfo *drvinfo)
+{
+ struct alx_priv *alx = netdev_priv(netdev);
+
+ strlcpy(drvinfo->driver, alx_drv_name, sizeof(drvinfo->driver));
+ strlcpy(drvinfo->bus_info, pci_name(alx->hw.pdev),
+ sizeof(drvinfo->bus_info));
+}
+
+const struct ethtool_ops alx_ethtool_ops = {
+ .get_settings = alx_get_settings,
+ .set_settings = alx_set_settings,
+ .get_pauseparam = alx_get_pauseparam,
+ .set_pauseparam = alx_set_pauseparam,
+ .get_drvinfo = alx_get_drvinfo,
+ .get_msglevel = alx_get_msglevel,
+ .set_msglevel = alx_set_msglevel,
+ .get_wol = alx_get_wol,
+ .set_wol = alx_set_wol,
+ .get_link = ethtool_op_get_link,
+};