383 lines
10 KiB
C
383 lines
10 KiB
C
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// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright(c) 2007 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 "atl1e.h"
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static int atl1e_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 atl1e_adapter *adapter = netdev_priv(netdev);
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struct atl1e_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->nic_type == athr_l1e)
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supported |= SUPPORTED_1000baseT_Full;
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advertising = ADVERTISED_TP;
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advertising |= ADVERTISED_Autoneg;
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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 atl1e_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 atl1e_adapter *adapter = netdev_priv(netdev);
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struct atl1e_hw *hw = &adapter->hw;
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u32 advertising;
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ethtool_convert_link_mode_to_legacy_u32(&advertising,
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cmd->link_modes.advertising);
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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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u16 adv4, adv9;
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if (advertising & ADVERTISE_1000_FULL) {
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if (hw->nic_type == athr_l1e) {
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hw->autoneg_advertised =
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advertising & AT_ADV_MASK;
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} else {
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clear_bit(__AT_RESETTING, &adapter->flags);
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return -EINVAL;
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}
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} else if (advertising & ADVERTISE_1000_HALF) {
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clear_bit(__AT_RESETTING, &adapter->flags);
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return -EINVAL;
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} else {
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hw->autoneg_advertised =
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advertising & AT_ADV_MASK;
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}
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advertising = hw->autoneg_advertised |
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ADVERTISED_TP | ADVERTISED_Autoneg;
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adv4 = hw->mii_autoneg_adv_reg & ~ADVERTISE_ALL;
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adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK;
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if (hw->autoneg_advertised & ADVERTISE_10_HALF)
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adv4 |= ADVERTISE_10HALF;
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if (hw->autoneg_advertised & ADVERTISE_10_FULL)
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adv4 |= ADVERTISE_10FULL;
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if (hw->autoneg_advertised & ADVERTISE_100_HALF)
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adv4 |= ADVERTISE_100HALF;
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if (hw->autoneg_advertised & ADVERTISE_100_FULL)
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adv4 |= ADVERTISE_100FULL;
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if (hw->autoneg_advertised & ADVERTISE_1000_FULL)
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adv9 |= ADVERTISE_1000FULL;
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if (adv4 != hw->mii_autoneg_adv_reg ||
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adv9 != hw->mii_1000t_ctrl_reg) {
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hw->mii_autoneg_adv_reg = adv4;
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hw->mii_1000t_ctrl_reg = adv9;
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hw->re_autoneg = true;
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}
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} else {
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clear_bit(__AT_RESETTING, &adapter->flags);
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return -EINVAL;
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}
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/* reset the link */
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if (netif_running(adapter->netdev)) {
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atl1e_down(adapter);
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atl1e_up(adapter);
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} else
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atl1e_reset_hw(&adapter->hw);
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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 atl1e_get_msglevel(struct net_device *netdev)
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{
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#ifdef DBG
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return 1;
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#else
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return 0;
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#endif
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}
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static int atl1e_get_regs_len(struct net_device *netdev)
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{
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return AT_REGS_LEN * sizeof(u32);
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}
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static void atl1e_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 atl1e_adapter *adapter = netdev_priv(netdev);
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struct atl1e_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 * sizeof(u32));
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regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
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regs_buff[0] = AT_READ_REG(hw, REG_VPD_CAP);
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regs_buff[1] = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
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regs_buff[2] = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG);
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regs_buff[3] = AT_READ_REG(hw, REG_TWSI_CTRL);
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regs_buff[4] = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
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regs_buff[5] = AT_READ_REG(hw, REG_MASTER_CTRL);
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regs_buff[6] = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT);
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regs_buff[7] = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
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regs_buff[8] = AT_READ_REG(hw, REG_GPHY_CTRL);
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regs_buff[9] = AT_READ_REG(hw, REG_CMBDISDMA_TIMER);
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regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS);
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regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL);
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regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK);
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regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL);
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regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG);
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regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
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regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4);
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regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE);
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regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4);
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regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
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regs_buff[20] = AT_READ_REG(hw, REG_MTU);
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regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL);
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regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR);
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regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN);
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regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR);
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regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
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regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR);
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regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN);
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regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR);
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regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR);
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atl1e_read_phy_reg(hw, MII_BMCR, &phy_data);
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regs_buff[73] = (u32)phy_data;
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atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
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regs_buff[74] = (u32)phy_data;
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}
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static int atl1e_get_eeprom_len(struct net_device *netdev)
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{
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struct atl1e_adapter *adapter = netdev_priv(netdev);
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if (!atl1e_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 atl1e_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 atl1e_adapter *adapter = netdev_priv(netdev);
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struct atl1e_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 (atl1e_check_eeprom_exist(hw)) /* not exist */
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return -EINVAL;
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eeprom->magic = hw->vendor_id | (hw->device_id << 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 (!atl1e_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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}
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static int atl1e_set_eeprom(struct net_device *netdev,
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struct ethtool_eeprom *eeprom, u8 *bytes)
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{
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struct atl1e_adapter *adapter = netdev_priv(netdev);
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struct atl1e_hw *hw = &adapter->hw;
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u32 *eeprom_buff;
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u32 *ptr;
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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 -EOPNOTSUPP;
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if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
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return -EINVAL;
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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(AT_EEPROM_LEN, GFP_KERNEL);
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if (eeprom_buff == NULL)
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return -ENOMEM;
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ptr = eeprom_buff;
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if (eeprom->offset & 3) {
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/* need read/modify/write of first changed EEPROM word */
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/* only the second byte of the word is being modified */
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if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) {
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ret_val = -EIO;
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goto out;
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}
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ptr++;
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}
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if (((eeprom->offset + eeprom->len) & 3)) {
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/* need read/modify/write of last changed EEPROM word */
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/* only the first byte of the word is being modified */
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if (!atl1e_read_eeprom(hw, last_dword * 4,
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&(eeprom_buff[last_dword - first_dword]))) {
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ret_val = -EIO;
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goto out;
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}
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}
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/* Device's eeprom is always little-endian, word addressable */
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memcpy(ptr, bytes, eeprom->len);
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for (i = 0; i < last_dword - first_dword + 1; i++) {
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if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4),
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eeprom_buff[i])) {
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ret_val = -EIO;
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goto out;
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}
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}
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out:
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kfree(eeprom_buff);
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return ret_val;
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}
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static void atl1e_get_drvinfo(struct net_device *netdev,
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struct ethtool_drvinfo *drvinfo)
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{
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struct atl1e_adapter *adapter = netdev_priv(netdev);
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strscpy(drvinfo->driver, atl1e_driver_name, sizeof(drvinfo->driver));
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strscpy(drvinfo->fw_version, "L1e", sizeof(drvinfo->fw_version));
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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 atl1e_get_wol(struct net_device *netdev,
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struct ethtool_wolinfo *wol)
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{
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struct atl1e_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 atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
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{
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struct atl1e_adapter *adapter = netdev_priv(netdev);
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if (wol->wolopts & (WAKE_ARP | WAKE_MAGICSECURE |
|
||
|
|
WAKE_UCAST | WAKE_MCAST | WAKE_BCAST))
|
||
|
|
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 atl1e_nway_reset(struct net_device *netdev)
|
||
|
|
{
|
||
|
|
struct atl1e_adapter *adapter = netdev_priv(netdev);
|
||
|
|
if (netif_running(netdev))
|
||
|
|
atl1e_reinit_locked(adapter);
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct ethtool_ops atl1e_ethtool_ops = {
|
||
|
|
.get_drvinfo = atl1e_get_drvinfo,
|
||
|
|
.get_regs_len = atl1e_get_regs_len,
|
||
|
|
.get_regs = atl1e_get_regs,
|
||
|
|
.get_wol = atl1e_get_wol,
|
||
|
|
.set_wol = atl1e_set_wol,
|
||
|
|
.get_msglevel = atl1e_get_msglevel,
|
||
|
|
.nway_reset = atl1e_nway_reset,
|
||
|
|
.get_link = ethtool_op_get_link,
|
||
|
|
.get_eeprom_len = atl1e_get_eeprom_len,
|
||
|
|
.get_eeprom = atl1e_get_eeprom,
|
||
|
|
.set_eeprom = atl1e_set_eeprom,
|
||
|
|
.get_link_ksettings = atl1e_get_link_ksettings,
|
||
|
|
.set_link_ksettings = atl1e_set_link_ksettings,
|
||
|
|
};
|
||
|
|
|
||
|
|
void atl1e_set_ethtool_ops(struct net_device *netdev)
|
||
|
|
{
|
||
|
|
netdev->ethtool_ops = &atl1e_ethtool_ops;
|
||
|
|
}
|