296 lines
8.1 KiB
C
296 lines
8.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright(c) 2009 - 2009 Atheros Corporation. All rights reserved.
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*
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* Derived from Intel e1000 driver
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* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
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*/
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#include <linux/netdevice.h>
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#include <linux/ethtool.h>
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#include <linux/slab.h>
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#include "atl1c.h"
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static int atl1c_get_link_ksettings(struct net_device *netdev,
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struct ethtool_link_ksettings *cmd)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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struct atl1c_hw *hw = &adapter->hw;
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u32 supported, advertising;
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supported = (SUPPORTED_10baseT_Half |
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SUPPORTED_10baseT_Full |
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SUPPORTED_100baseT_Half |
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SUPPORTED_100baseT_Full |
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SUPPORTED_Autoneg |
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SUPPORTED_TP);
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if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M)
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supported |= SUPPORTED_1000baseT_Full;
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advertising = ADVERTISED_TP;
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advertising |= hw->autoneg_advertised;
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cmd->base.port = PORT_TP;
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cmd->base.phy_address = 0;
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if (adapter->link_speed != SPEED_0) {
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cmd->base.speed = adapter->link_speed;
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if (adapter->link_duplex == FULL_DUPLEX)
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cmd->base.duplex = DUPLEX_FULL;
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else
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cmd->base.duplex = DUPLEX_HALF;
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} else {
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cmd->base.speed = SPEED_UNKNOWN;
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cmd->base.duplex = DUPLEX_UNKNOWN;
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}
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cmd->base.autoneg = AUTONEG_ENABLE;
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ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
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supported);
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ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
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advertising);
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return 0;
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}
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static int atl1c_set_link_ksettings(struct net_device *netdev,
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const struct ethtool_link_ksettings *cmd)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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struct atl1c_hw *hw = &adapter->hw;
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u16 autoneg_advertised;
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while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
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msleep(1);
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if (cmd->base.autoneg == AUTONEG_ENABLE) {
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autoneg_advertised = ADVERTISED_Autoneg;
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} else {
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u32 speed = cmd->base.speed;
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if (speed == SPEED_1000) {
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if (cmd->base.duplex != DUPLEX_FULL) {
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if (netif_msg_link(adapter))
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dev_warn(&adapter->pdev->dev,
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"1000M half is invalid\n");
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clear_bit(__AT_RESETTING, &adapter->flags);
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return -EINVAL;
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}
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autoneg_advertised = ADVERTISED_1000baseT_Full;
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} else if (speed == SPEED_100) {
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if (cmd->base.duplex == DUPLEX_FULL)
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autoneg_advertised = ADVERTISED_100baseT_Full;
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else
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autoneg_advertised = ADVERTISED_100baseT_Half;
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} else {
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if (cmd->base.duplex == DUPLEX_FULL)
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autoneg_advertised = ADVERTISED_10baseT_Full;
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else
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autoneg_advertised = ADVERTISED_10baseT_Half;
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}
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}
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if (hw->autoneg_advertised != autoneg_advertised) {
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hw->autoneg_advertised = autoneg_advertised;
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if (atl1c_restart_autoneg(hw) != 0) {
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if (netif_msg_link(adapter))
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dev_warn(&adapter->pdev->dev,
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"ethtool speed/duplex setting failed\n");
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clear_bit(__AT_RESETTING, &adapter->flags);
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return -EINVAL;
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}
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}
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clear_bit(__AT_RESETTING, &adapter->flags);
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return 0;
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}
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static u32 atl1c_get_msglevel(struct net_device *netdev)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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return adapter->msg_enable;
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}
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static void atl1c_set_msglevel(struct net_device *netdev, u32 data)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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adapter->msg_enable = data;
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}
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static int atl1c_get_regs_len(struct net_device *netdev)
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{
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return AT_REGS_LEN;
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}
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static void atl1c_get_regs(struct net_device *netdev,
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struct ethtool_regs *regs, void *p)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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struct atl1c_hw *hw = &adapter->hw;
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u32 *regs_buff = p;
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u16 phy_data;
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memset(p, 0, AT_REGS_LEN);
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regs->version = 1;
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AT_READ_REG(hw, REG_PM_CTRL, p++);
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AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL, p++);
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AT_READ_REG(hw, REG_TWSI_CTRL, p++);
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AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL, p++);
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AT_READ_REG(hw, REG_MASTER_CTRL, p++);
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AT_READ_REG(hw, REG_MANUAL_TIMER_INIT, p++);
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AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++);
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AT_READ_REG(hw, REG_GPHY_CTRL, p++);
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AT_READ_REG(hw, REG_LINK_CTRL, p++);
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AT_READ_REG(hw, REG_IDLE_STATUS, p++);
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AT_READ_REG(hw, REG_MDIO_CTRL, p++);
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AT_READ_REG(hw, REG_SERDES, p++);
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AT_READ_REG(hw, REG_MAC_CTRL, p++);
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AT_READ_REG(hw, REG_MAC_IPG_IFG, p++);
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AT_READ_REG(hw, REG_MAC_STA_ADDR, p++);
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AT_READ_REG(hw, REG_MAC_STA_ADDR+4, p++);
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AT_READ_REG(hw, REG_RX_HASH_TABLE, p++);
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AT_READ_REG(hw, REG_RX_HASH_TABLE+4, p++);
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AT_READ_REG(hw, REG_RXQ_CTRL, p++);
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AT_READ_REG(hw, REG_TXQ_CTRL, p++);
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AT_READ_REG(hw, REG_MTU, p++);
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AT_READ_REG(hw, REG_WOL_CTRL, p++);
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atl1c_read_phy_reg(hw, MII_BMCR, &phy_data);
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regs_buff[AT_REGS_LEN/sizeof(u32) - 2] = (u32) phy_data;
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atl1c_read_phy_reg(hw, MII_BMSR, &phy_data);
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regs_buff[AT_REGS_LEN/sizeof(u32) - 1] = (u32) phy_data;
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}
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static int atl1c_get_eeprom_len(struct net_device *netdev)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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if (atl1c_check_eeprom_exist(&adapter->hw))
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return AT_EEPROM_LEN;
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else
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return 0;
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}
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static int atl1c_get_eeprom(struct net_device *netdev,
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struct ethtool_eeprom *eeprom, u8 *bytes)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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struct atl1c_hw *hw = &adapter->hw;
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u32 *eeprom_buff;
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int first_dword, last_dword;
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int ret_val = 0;
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int i;
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if (eeprom->len == 0)
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return -EINVAL;
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if (!atl1c_check_eeprom_exist(hw)) /* not exist */
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return -EINVAL;
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eeprom->magic = adapter->pdev->vendor |
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(adapter->pdev->device << 16);
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first_dword = eeprom->offset >> 2;
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last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
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eeprom_buff = kmalloc_array(last_dword - first_dword + 1, sizeof(u32),
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GFP_KERNEL);
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if (eeprom_buff == NULL)
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return -ENOMEM;
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for (i = first_dword; i < last_dword; i++) {
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if (!atl1c_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {
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kfree(eeprom_buff);
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return -EIO;
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}
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}
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memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),
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eeprom->len);
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kfree(eeprom_buff);
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return ret_val;
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return 0;
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}
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static void atl1c_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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strscpy(drvinfo->driver, atl1c_driver_name, sizeof(drvinfo->driver));
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strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
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sizeof(drvinfo->bus_info));
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}
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static void atl1c_get_wol(struct net_device *netdev,
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struct ethtool_wolinfo *wol)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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wol->supported = WAKE_MAGIC | WAKE_PHY;
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wol->wolopts = 0;
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if (adapter->wol & AT_WUFC_EX)
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wol->wolopts |= WAKE_UCAST;
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if (adapter->wol & AT_WUFC_MC)
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wol->wolopts |= WAKE_MCAST;
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if (adapter->wol & AT_WUFC_BC)
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wol->wolopts |= WAKE_BCAST;
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if (adapter->wol & AT_WUFC_MAG)
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wol->wolopts |= WAKE_MAGIC;
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if (adapter->wol & AT_WUFC_LNKC)
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wol->wolopts |= WAKE_PHY;
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}
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static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
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WAKE_UCAST | WAKE_BCAST | WAKE_MCAST))
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return -EOPNOTSUPP;
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/* these settings will always override what we currently have */
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adapter->wol = 0;
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if (wol->wolopts & WAKE_MAGIC)
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adapter->wol |= AT_WUFC_MAG;
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if (wol->wolopts & WAKE_PHY)
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adapter->wol |= AT_WUFC_LNKC;
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device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
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return 0;
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}
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static int atl1c_nway_reset(struct net_device *netdev)
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{
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struct atl1c_adapter *adapter = netdev_priv(netdev);
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if (netif_running(netdev))
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atl1c_reinit_locked(adapter);
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return 0;
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}
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static const struct ethtool_ops atl1c_ethtool_ops = {
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.get_drvinfo = atl1c_get_drvinfo,
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.get_regs_len = atl1c_get_regs_len,
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.get_regs = atl1c_get_regs,
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.get_wol = atl1c_get_wol,
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.set_wol = atl1c_set_wol,
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.get_msglevel = atl1c_get_msglevel,
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.set_msglevel = atl1c_set_msglevel,
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.nway_reset = atl1c_nway_reset,
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.get_link = ethtool_op_get_link,
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.get_eeprom_len = atl1c_get_eeprom_len,
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.get_eeprom = atl1c_get_eeprom,
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.get_link_ksettings = atl1c_get_link_ksettings,
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.set_link_ksettings = atl1c_set_link_ksettings,
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};
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void atl1c_set_ethtool_ops(struct net_device *netdev)
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{
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netdev->ethtool_ops = &atl1c_ethtool_ops;
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}
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