Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / net / ethernet / atheros / atl1c / atl1c_ethtool.c
diff --git a/kernel/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c b/kernel/drivers/net/ethernet/atheros/atl1c/atl1c_ethtool.c
new file mode 100644 (file)
index 0000000..48694c2
--- /dev/null
@@ -0,0 +1,309 @@
+/*
+ * Copyright(c) 2009 - 2009 Atheros Corporation. All rights reserved.
+ *
+ * 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/netdevice.h>
+#include <linux/ethtool.h>
+#include <linux/slab.h>
+
+#include "atl1c.h"
+
+static int atl1c_get_settings(struct net_device *netdev,
+                             struct ethtool_cmd *ecmd)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+       struct atl1c_hw *hw = &adapter->hw;
+
+       ecmd->supported = (SUPPORTED_10baseT_Half  |
+                          SUPPORTED_10baseT_Full  |
+                          SUPPORTED_100baseT_Half |
+                          SUPPORTED_100baseT_Full |
+                          SUPPORTED_Autoneg       |
+                          SUPPORTED_TP);
+       if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M)
+               ecmd->supported |= SUPPORTED_1000baseT_Full;
+
+       ecmd->advertising = ADVERTISED_TP;
+
+       ecmd->advertising |= hw->autoneg_advertised;
+
+       ecmd->port = PORT_TP;
+       ecmd->phy_address = 0;
+       ecmd->transceiver = XCVR_INTERNAL;
+
+       if (adapter->link_speed != SPEED_0) {
+               ethtool_cmd_speed_set(ecmd, adapter->link_speed);
+               if (adapter->link_duplex == FULL_DUPLEX)
+                       ecmd->duplex = DUPLEX_FULL;
+               else
+                       ecmd->duplex = DUPLEX_HALF;
+       } else {
+               ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
+               ecmd->duplex = DUPLEX_UNKNOWN;
+       }
+
+       ecmd->autoneg = AUTONEG_ENABLE;
+       return 0;
+}
+
+static int atl1c_set_settings(struct net_device *netdev,
+                             struct ethtool_cmd *ecmd)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+       struct atl1c_hw *hw = &adapter->hw;
+       u16  autoneg_advertised;
+
+       while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
+               msleep(1);
+
+       if (ecmd->autoneg == AUTONEG_ENABLE) {
+               autoneg_advertised = ADVERTISED_Autoneg;
+       } else {
+               u32 speed = ethtool_cmd_speed(ecmd);
+               if (speed == SPEED_1000) {
+                       if (ecmd->duplex != DUPLEX_FULL) {
+                               if (netif_msg_link(adapter))
+                                       dev_warn(&adapter->pdev->dev,
+                                               "1000M half is invalid\n");
+                               clear_bit(__AT_RESETTING, &adapter->flags);
+                               return -EINVAL;
+                       }
+                       autoneg_advertised = ADVERTISED_1000baseT_Full;
+               } else if (speed == SPEED_100) {
+                       if (ecmd->duplex == DUPLEX_FULL)
+                               autoneg_advertised = ADVERTISED_100baseT_Full;
+                       else
+                               autoneg_advertised = ADVERTISED_100baseT_Half;
+               } else {
+                       if (ecmd->duplex == DUPLEX_FULL)
+                               autoneg_advertised = ADVERTISED_10baseT_Full;
+                       else
+                               autoneg_advertised = ADVERTISED_10baseT_Half;
+               }
+       }
+
+       if (hw->autoneg_advertised != autoneg_advertised) {
+               hw->autoneg_advertised = autoneg_advertised;
+               if (atl1c_restart_autoneg(hw) != 0) {
+                       if (netif_msg_link(adapter))
+                               dev_warn(&adapter->pdev->dev,
+                                       "ethtool speed/duplex setting failed\n");
+                       clear_bit(__AT_RESETTING, &adapter->flags);
+                       return -EINVAL;
+               }
+       }
+       clear_bit(__AT_RESETTING, &adapter->flags);
+       return 0;
+}
+
+static u32 atl1c_get_msglevel(struct net_device *netdev)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+       return adapter->msg_enable;
+}
+
+static void atl1c_set_msglevel(struct net_device *netdev, u32 data)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+       adapter->msg_enable = data;
+}
+
+static int atl1c_get_regs_len(struct net_device *netdev)
+{
+       return AT_REGS_LEN;
+}
+
+static void atl1c_get_regs(struct net_device *netdev,
+                          struct ethtool_regs *regs, void *p)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+       struct atl1c_hw *hw = &adapter->hw;
+       u32 *regs_buff = p;
+       u16 phy_data;
+
+       memset(p, 0, AT_REGS_LEN);
+
+       regs->version = 1;
+       AT_READ_REG(hw, REG_PM_CTRL,              p++);
+       AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL,  p++);
+       AT_READ_REG(hw, REG_TWSI_CTRL,            p++);
+       AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL,   p++);
+       AT_READ_REG(hw, REG_MASTER_CTRL,          p++);
+       AT_READ_REG(hw, REG_MANUAL_TIMER_INIT,    p++);
+       AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++);
+       AT_READ_REG(hw, REG_GPHY_CTRL,            p++);
+       AT_READ_REG(hw, REG_LINK_CTRL,            p++);
+       AT_READ_REG(hw, REG_IDLE_STATUS,          p++);
+       AT_READ_REG(hw, REG_MDIO_CTRL,            p++);
+       AT_READ_REG(hw, REG_SERDES,               p++);
+       AT_READ_REG(hw, REG_MAC_CTRL,             p++);
+       AT_READ_REG(hw, REG_MAC_IPG_IFG,          p++);
+       AT_READ_REG(hw, REG_MAC_STA_ADDR,         p++);
+       AT_READ_REG(hw, REG_MAC_STA_ADDR+4,       p++);
+       AT_READ_REG(hw, REG_RX_HASH_TABLE,        p++);
+       AT_READ_REG(hw, REG_RX_HASH_TABLE+4,      p++);
+       AT_READ_REG(hw, REG_RXQ_CTRL,             p++);
+       AT_READ_REG(hw, REG_TXQ_CTRL,             p++);
+       AT_READ_REG(hw, REG_MTU,                  p++);
+       AT_READ_REG(hw, REG_WOL_CTRL,             p++);
+
+       atl1c_read_phy_reg(hw, MII_BMCR, &phy_data);
+       regs_buff[AT_REGS_LEN/sizeof(u32) - 2] = (u32) phy_data;
+       atl1c_read_phy_reg(hw, MII_BMSR, &phy_data);
+       regs_buff[AT_REGS_LEN/sizeof(u32) - 1] = (u32) phy_data;
+}
+
+static int atl1c_get_eeprom_len(struct net_device *netdev)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+
+       if (atl1c_check_eeprom_exist(&adapter->hw))
+               return AT_EEPROM_LEN;
+       else
+               return 0;
+}
+
+static int atl1c_get_eeprom(struct net_device *netdev,
+               struct ethtool_eeprom *eeprom, u8 *bytes)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+       struct atl1c_hw *hw = &adapter->hw;
+       u32 *eeprom_buff;
+       int first_dword, last_dword;
+       int ret_val = 0;
+       int i;
+
+       if (eeprom->len == 0)
+               return -EINVAL;
+
+       if (!atl1c_check_eeprom_exist(hw)) /* not exist */
+               return -EINVAL;
+
+       eeprom->magic = adapter->pdev->vendor |
+                       (adapter->pdev->device << 16);
+
+       first_dword = eeprom->offset >> 2;
+       last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
+
+       eeprom_buff = kmalloc(sizeof(u32) *
+                       (last_dword - first_dword + 1), GFP_KERNEL);
+       if (eeprom_buff == NULL)
+               return -ENOMEM;
+
+       for (i = first_dword; i < last_dword; i++) {
+               if (!atl1c_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
+                       kfree(eeprom_buff);
+                       return -EIO;
+               }
+       }
+
+       memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
+                       eeprom->len);
+       kfree(eeprom_buff);
+
+       return ret_val;
+       return 0;
+}
+
+static void atl1c_get_drvinfo(struct net_device *netdev,
+               struct ethtool_drvinfo *drvinfo)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+
+       strlcpy(drvinfo->driver,  atl1c_driver_name, sizeof(drvinfo->driver));
+       strlcpy(drvinfo->version, atl1c_driver_version,
+               sizeof(drvinfo->version));
+       strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
+               sizeof(drvinfo->bus_info));
+       drvinfo->n_stats = 0;
+       drvinfo->testinfo_len = 0;
+       drvinfo->regdump_len = atl1c_get_regs_len(netdev);
+       drvinfo->eedump_len = atl1c_get_eeprom_len(netdev);
+}
+
+static void atl1c_get_wol(struct net_device *netdev,
+                         struct ethtool_wolinfo *wol)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+
+       wol->supported = WAKE_MAGIC | WAKE_PHY;
+       wol->wolopts = 0;
+
+       if (adapter->wol & AT_WUFC_EX)
+               wol->wolopts |= WAKE_UCAST;
+       if (adapter->wol & AT_WUFC_MC)
+               wol->wolopts |= WAKE_MCAST;
+       if (adapter->wol & AT_WUFC_BC)
+               wol->wolopts |= WAKE_BCAST;
+       if (adapter->wol & AT_WUFC_MAG)
+               wol->wolopts |= WAKE_MAGIC;
+       if (adapter->wol & AT_WUFC_LNKC)
+               wol->wolopts |= WAKE_PHY;
+}
+
+static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+
+       if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
+                           WAKE_UCAST | WAKE_BCAST | WAKE_MCAST))
+               return -EOPNOTSUPP;
+       /* these settings will always override what we currently have */
+       adapter->wol = 0;
+
+       if (wol->wolopts & WAKE_MAGIC)
+               adapter->wol |= AT_WUFC_MAG;
+       if (wol->wolopts & WAKE_PHY)
+               adapter->wol |= AT_WUFC_LNKC;
+
+       device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
+
+       return 0;
+}
+
+static int atl1c_nway_reset(struct net_device *netdev)
+{
+       struct atl1c_adapter *adapter = netdev_priv(netdev);
+       if (netif_running(netdev))
+               atl1c_reinit_locked(adapter);
+       return 0;
+}
+
+static const struct ethtool_ops atl1c_ethtool_ops = {
+       .get_settings           = atl1c_get_settings,
+       .set_settings           = atl1c_set_settings,
+       .get_drvinfo            = atl1c_get_drvinfo,
+       .get_regs_len           = atl1c_get_regs_len,
+       .get_regs               = atl1c_get_regs,
+       .get_wol                = atl1c_get_wol,
+       .set_wol                = atl1c_set_wol,
+       .get_msglevel           = atl1c_get_msglevel,
+       .set_msglevel           = atl1c_set_msglevel,
+       .nway_reset             = atl1c_nway_reset,
+       .get_link               = ethtool_op_get_link,
+       .get_eeprom_len         = atl1c_get_eeprom_len,
+       .get_eeprom             = atl1c_get_eeprom,
+};
+
+void atl1c_set_ethtool_ops(struct net_device *netdev)
+{
+       netdev->ethtool_ops = &atl1c_ethtool_ops;
+}