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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Copyright(c) 2009 - 2009 Atheros Corporation. All rights reserved.4 *5 * Derived from Intel e1000 driver6 * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.7 */8 9#include <linux/netdevice.h>10#include <linux/ethtool.h>11#include <linux/slab.h>12 13#include "atl1c.h"14 15static int atl1c_get_link_ksettings(struct net_device *netdev,16 struct ethtool_link_ksettings *cmd)17{18 struct atl1c_adapter *adapter = netdev_priv(netdev);19 struct atl1c_hw *hw = &adapter->hw;20 u32 supported, advertising;21 22 supported = (SUPPORTED_10baseT_Half |23 SUPPORTED_10baseT_Full |24 SUPPORTED_100baseT_Half |25 SUPPORTED_100baseT_Full |26 SUPPORTED_Autoneg |27 SUPPORTED_TP);28 if (hw->link_cap_flags & ATL1C_LINK_CAP_1000M)29 supported |= SUPPORTED_1000baseT_Full;30 31 advertising = ADVERTISED_TP;32 33 advertising |= hw->autoneg_advertised;34 35 cmd->base.port = PORT_TP;36 cmd->base.phy_address = 0;37 38 if (adapter->link_speed != SPEED_0) {39 cmd->base.speed = adapter->link_speed;40 if (adapter->link_duplex == FULL_DUPLEX)41 cmd->base.duplex = DUPLEX_FULL;42 else43 cmd->base.duplex = DUPLEX_HALF;44 } else {45 cmd->base.speed = SPEED_UNKNOWN;46 cmd->base.duplex = DUPLEX_UNKNOWN;47 }48 49 cmd->base.autoneg = AUTONEG_ENABLE;50 51 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,52 supported);53 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,54 advertising);55 56 return 0;57}58 59static int atl1c_set_link_ksettings(struct net_device *netdev,60 const struct ethtool_link_ksettings *cmd)61{62 struct atl1c_adapter *adapter = netdev_priv(netdev);63 struct atl1c_hw *hw = &adapter->hw;64 u16 autoneg_advertised;65 66 while (test_and_set_bit(__AT_RESETTING, &adapter->flags))67 msleep(1);68 69 if (cmd->base.autoneg == AUTONEG_ENABLE) {70 autoneg_advertised = ADVERTISED_Autoneg;71 } else {72 u32 speed = cmd->base.speed;73 if (speed == SPEED_1000) {74 if (cmd->base.duplex != DUPLEX_FULL) {75 if (netif_msg_link(adapter))76 dev_warn(&adapter->pdev->dev,77 "1000M half is invalid\n");78 clear_bit(__AT_RESETTING, &adapter->flags);79 return -EINVAL;80 }81 autoneg_advertised = ADVERTISED_1000baseT_Full;82 } else if (speed == SPEED_100) {83 if (cmd->base.duplex == DUPLEX_FULL)84 autoneg_advertised = ADVERTISED_100baseT_Full;85 else86 autoneg_advertised = ADVERTISED_100baseT_Half;87 } else {88 if (cmd->base.duplex == DUPLEX_FULL)89 autoneg_advertised = ADVERTISED_10baseT_Full;90 else91 autoneg_advertised = ADVERTISED_10baseT_Half;92 }93 }94 95 if (hw->autoneg_advertised != autoneg_advertised) {96 hw->autoneg_advertised = autoneg_advertised;97 if (atl1c_restart_autoneg(hw) != 0) {98 if (netif_msg_link(adapter))99 dev_warn(&adapter->pdev->dev,100 "ethtool speed/duplex setting failed\n");101 clear_bit(__AT_RESETTING, &adapter->flags);102 return -EINVAL;103 }104 }105 clear_bit(__AT_RESETTING, &adapter->flags);106 return 0;107}108 109static u32 atl1c_get_msglevel(struct net_device *netdev)110{111 struct atl1c_adapter *adapter = netdev_priv(netdev);112 return adapter->msg_enable;113}114 115static void atl1c_set_msglevel(struct net_device *netdev, u32 data)116{117 struct atl1c_adapter *adapter = netdev_priv(netdev);118 adapter->msg_enable = data;119}120 121static int atl1c_get_regs_len(struct net_device *netdev)122{123 return AT_REGS_LEN;124}125 126static void atl1c_get_regs(struct net_device *netdev,127 struct ethtool_regs *regs, void *p)128{129 struct atl1c_adapter *adapter = netdev_priv(netdev);130 struct atl1c_hw *hw = &adapter->hw;131 u32 *regs_buff = p;132 u16 phy_data;133 134 memset(p, 0, AT_REGS_LEN);135 136 regs->version = 1;137 AT_READ_REG(hw, REG_PM_CTRL, p++);138 AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL, p++);139 AT_READ_REG(hw, REG_TWSI_CTRL, p++);140 AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL, p++);141 AT_READ_REG(hw, REG_MASTER_CTRL, p++);142 AT_READ_REG(hw, REG_MANUAL_TIMER_INIT, p++);143 AT_READ_REG(hw, REG_IRQ_MODRT_TIMER_INIT, p++);144 AT_READ_REG(hw, REG_GPHY_CTRL, p++);145 AT_READ_REG(hw, REG_LINK_CTRL, p++);146 AT_READ_REG(hw, REG_IDLE_STATUS, p++);147 AT_READ_REG(hw, REG_MDIO_CTRL, p++);148 AT_READ_REG(hw, REG_SERDES, p++);149 AT_READ_REG(hw, REG_MAC_CTRL, p++);150 AT_READ_REG(hw, REG_MAC_IPG_IFG, p++);151 AT_READ_REG(hw, REG_MAC_STA_ADDR, p++);152 AT_READ_REG(hw, REG_MAC_STA_ADDR+4, p++);153 AT_READ_REG(hw, REG_RX_HASH_TABLE, p++);154 AT_READ_REG(hw, REG_RX_HASH_TABLE+4, p++);155 AT_READ_REG(hw, REG_RXQ_CTRL, p++);156 AT_READ_REG(hw, REG_TXQ_CTRL, p++);157 AT_READ_REG(hw, REG_MTU, p++);158 AT_READ_REG(hw, REG_WOL_CTRL, p++);159 160 atl1c_read_phy_reg(hw, MII_BMCR, &phy_data);161 regs_buff[AT_REGS_LEN/sizeof(u32) - 2] = (u32) phy_data;162 atl1c_read_phy_reg(hw, MII_BMSR, &phy_data);163 regs_buff[AT_REGS_LEN/sizeof(u32) - 1] = (u32) phy_data;164}165 166static int atl1c_get_eeprom_len(struct net_device *netdev)167{168 struct atl1c_adapter *adapter = netdev_priv(netdev);169 170 if (atl1c_check_eeprom_exist(&adapter->hw))171 return AT_EEPROM_LEN;172 else173 return 0;174}175 176static int atl1c_get_eeprom(struct net_device *netdev,177 struct ethtool_eeprom *eeprom, u8 *bytes)178{179 struct atl1c_adapter *adapter = netdev_priv(netdev);180 struct atl1c_hw *hw = &adapter->hw;181 u32 *eeprom_buff;182 int first_dword, last_dword;183 int ret_val = 0;184 int i;185 186 if (eeprom->len == 0)187 return -EINVAL;188 189 if (!atl1c_check_eeprom_exist(hw)) /* not exist */190 return -EINVAL;191 192 eeprom->magic = adapter->pdev->vendor |193 (adapter->pdev->device << 16);194 195 first_dword = eeprom->offset >> 2;196 last_dword = (eeprom->offset + eeprom->len - 1) >> 2;197 198 eeprom_buff = kmalloc_array(last_dword - first_dword + 1, sizeof(u32),199 GFP_KERNEL);200 if (eeprom_buff == NULL)201 return -ENOMEM;202 203 for (i = first_dword; i < last_dword; i++) {204 if (!atl1c_read_eeprom(hw, i * 4, &(eeprom_buff[i-first_dword]))) {205 kfree(eeprom_buff);206 return -EIO;207 }208 }209 210 memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 3),211 eeprom->len);212 kfree(eeprom_buff);213 214 return ret_val;215 return 0;216}217 218static void atl1c_get_drvinfo(struct net_device *netdev,219 struct ethtool_drvinfo *drvinfo)220{221 struct atl1c_adapter *adapter = netdev_priv(netdev);222 223 strscpy(drvinfo->driver, atl1c_driver_name, sizeof(drvinfo->driver));224 strscpy(drvinfo->bus_info, pci_name(adapter->pdev),225 sizeof(drvinfo->bus_info));226}227 228static void atl1c_get_wol(struct net_device *netdev,229 struct ethtool_wolinfo *wol)230{231 struct atl1c_adapter *adapter = netdev_priv(netdev);232 233 wol->supported = WAKE_MAGIC | WAKE_PHY;234 wol->wolopts = 0;235 236 if (adapter->wol & AT_WUFC_EX)237 wol->wolopts |= WAKE_UCAST;238 if (adapter->wol & AT_WUFC_MC)239 wol->wolopts |= WAKE_MCAST;240 if (adapter->wol & AT_WUFC_BC)241 wol->wolopts |= WAKE_BCAST;242 if (adapter->wol & AT_WUFC_MAG)243 wol->wolopts |= WAKE_MAGIC;244 if (adapter->wol & AT_WUFC_LNKC)245 wol->wolopts |= WAKE_PHY;246}247 248static int atl1c_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)249{250 struct atl1c_adapter *adapter = netdev_priv(netdev);251 252 if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |253 WAKE_UCAST | WAKE_BCAST | WAKE_MCAST))254 return -EOPNOTSUPP;255 /* these settings will always override what we currently have */256 adapter->wol = 0;257 258 if (wol->wolopts & WAKE_MAGIC)259 adapter->wol |= AT_WUFC_MAG;260 if (wol->wolopts & WAKE_PHY)261 adapter->wol |= AT_WUFC_LNKC;262 263 device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);264 265 return 0;266}267 268static int atl1c_nway_reset(struct net_device *netdev)269{270 struct atl1c_adapter *adapter = netdev_priv(netdev);271 if (netif_running(netdev))272 atl1c_reinit_locked(adapter);273 return 0;274}275 276static const struct ethtool_ops atl1c_ethtool_ops = {277 .get_drvinfo = atl1c_get_drvinfo,278 .get_regs_len = atl1c_get_regs_len,279 .get_regs = atl1c_get_regs,280 .get_wol = atl1c_get_wol,281 .set_wol = atl1c_set_wol,282 .get_msglevel = atl1c_get_msglevel,283 .set_msglevel = atl1c_set_msglevel,284 .nway_reset = atl1c_nway_reset,285 .get_link = ethtool_op_get_link,286 .get_eeprom_len = atl1c_get_eeprom_len,287 .get_eeprom = atl1c_get_eeprom,288 .get_link_ksettings = atl1c_get_link_ksettings,289 .set_link_ksettings = atl1c_set_link_ksettings,290};291 292void atl1c_set_ethtool_ops(struct net_device *netdev)293{294 netdev->ethtool_ops = &atl1c_ethtool_ops;295}296