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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright(c) 2007 Atheros Corporation. All rights reserved.
*
* Derived from Intel e1000 driver
* Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
*/
#include <linux/netdevice.h>
#include <linux/ethtool.h>
#include <linux/slab.h>
#include "atl1e.h"
static int atl1e_get_link_ksettings(struct net_device *netdev,
struct ethtool_link_ksettings *cmd)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
struct atl1e_hw *hw = &adapter->hw;
u32 supported, advertising;
supported = (SUPPORTED_10baseT_Half |
SUPPORTED_10baseT_Full |
SUPPORTED_100baseT_Half |
SUPPORTED_100baseT_Full |
SUPPORTED_Autoneg |
SUPPORTED_TP);
if (hw->nic_type == athr_l1e)
supported |= SUPPORTED_1000baseT_Full;
advertising = ADVERTISED_TP;
advertising |= ADVERTISED_Autoneg;
advertising |= hw->autoneg_advertised;
cmd->base.port = PORT_TP;
cmd->base.phy_address = 0;
if (adapter->link_speed != SPEED_0) {
cmd->base.speed = adapter->link_speed;
if (adapter->link_duplex == FULL_DUPLEX)
cmd->base.duplex = DUPLEX_FULL;
else
cmd->base.duplex = DUPLEX_HALF;
} else {
cmd->base.speed = SPEED_UNKNOWN;
cmd->base.duplex = DUPLEX_UNKNOWN;
}
cmd->base.autoneg = AUTONEG_ENABLE;
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
supported);
ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
advertising);
return 0;
}
static int atl1e_set_link_ksettings(struct net_device *netdev,
const struct ethtool_link_ksettings *cmd)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
struct atl1e_hw *hw = &adapter->hw;
u32 advertising;
ethtool_convert_link_mode_to_legacy_u32(&advertising,
cmd->link_modes.advertising);
while (test_and_set_bit(__AT_RESETTING, &adapter->flags))
msleep(1);
if (cmd->base.autoneg == AUTONEG_ENABLE) {
u16 adv4, adv9;
if (advertising & ADVERTISE_1000_FULL) {
if (hw->nic_type == athr_l1e) {
hw->autoneg_advertised =
advertising & AT_ADV_MASK;
} else {
clear_bit(__AT_RESETTING, &adapter->flags);
return -EINVAL;
}
} else if (advertising & ADVERTISE_1000_HALF) {
clear_bit(__AT_RESETTING, &adapter->flags);
return -EINVAL;
} else {
hw->autoneg_advertised =
advertising & AT_ADV_MASK;
}
advertising = hw->autoneg_advertised |
ADVERTISED_TP | ADVERTISED_Autoneg;
adv4 = hw->mii_autoneg_adv_reg & ~ADVERTISE_ALL;
adv9 = hw->mii_1000t_ctrl_reg & ~MII_AT001_CR_1000T_SPEED_MASK;
if (hw->autoneg_advertised & ADVERTISE_10_HALF)
adv4 |= ADVERTISE_10HALF;
if (hw->autoneg_advertised & ADVERTISE_10_FULL)
adv4 |= ADVERTISE_10FULL;
if (hw->autoneg_advertised & ADVERTISE_100_HALF)
adv4 |= ADVERTISE_100HALF;
if (hw->autoneg_advertised & ADVERTISE_100_FULL)
adv4 |= ADVERTISE_100FULL;
if (hw->autoneg_advertised & ADVERTISE_1000_FULL)
adv9 |= ADVERTISE_1000FULL;
if (adv4 != hw->mii_autoneg_adv_reg ||
adv9 != hw->mii_1000t_ctrl_reg) {
hw->mii_autoneg_adv_reg = adv4;
hw->mii_1000t_ctrl_reg = adv9;
hw->re_autoneg = true;
}
} else {
clear_bit(__AT_RESETTING, &adapter->flags);
return -EINVAL;
}
/* reset the link */
if (netif_running(adapter->netdev)) {
atl1e_down(adapter);
atl1e_up(adapter);
} else
atl1e_reset_hw(&adapter->hw);
clear_bit(__AT_RESETTING, &adapter->flags);
return 0;
}
static u32 atl1e_get_msglevel(struct net_device *netdev)
{
#ifdef DBG
return 1;
#else
return 0;
#endif
}
static int atl1e_get_regs_len(struct net_device *netdev)
{
return AT_REGS_LEN * sizeof(u32);
}
static void atl1e_get_regs(struct net_device *netdev,
struct ethtool_regs *regs, void *p)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
struct atl1e_hw *hw = &adapter->hw;
u32 *regs_buff = p;
u16 phy_data;
memset(p, 0, AT_REGS_LEN * sizeof(u32));
regs->version = (1 << 24) | (hw->revision_id << 16) | hw->device_id;
regs_buff[0] = AT_READ_REG(hw, REG_VPD_CAP);
regs_buff[1] = AT_READ_REG(hw, REG_SPI_FLASH_CTRL);
regs_buff[2] = AT_READ_REG(hw, REG_SPI_FLASH_CONFIG);
regs_buff[3] = AT_READ_REG(hw, REG_TWSI_CTRL);
regs_buff[4] = AT_READ_REG(hw, REG_PCIE_DEV_MISC_CTRL);
regs_buff[5] = AT_READ_REG(hw, REG_MASTER_CTRL);
regs_buff[6] = AT_READ_REG(hw, REG_MANUAL_TIMER_INIT);
regs_buff[7] = AT_READ_REG(hw, REG_IRQ_MODU_TIMER_INIT);
regs_buff[8] = AT_READ_REG(hw, REG_GPHY_CTRL);
regs_buff[9] = AT_READ_REG(hw, REG_CMBDISDMA_TIMER);
regs_buff[10] = AT_READ_REG(hw, REG_IDLE_STATUS);
regs_buff[11] = AT_READ_REG(hw, REG_MDIO_CTRL);
regs_buff[12] = AT_READ_REG(hw, REG_SERDES_LOCK);
regs_buff[13] = AT_READ_REG(hw, REG_MAC_CTRL);
regs_buff[14] = AT_READ_REG(hw, REG_MAC_IPG_IFG);
regs_buff[15] = AT_READ_REG(hw, REG_MAC_STA_ADDR);
regs_buff[16] = AT_READ_REG(hw, REG_MAC_STA_ADDR+4);
regs_buff[17] = AT_READ_REG(hw, REG_RX_HASH_TABLE);
regs_buff[18] = AT_READ_REG(hw, REG_RX_HASH_TABLE+4);
regs_buff[19] = AT_READ_REG(hw, REG_MAC_HALF_DUPLX_CTRL);
regs_buff[20] = AT_READ_REG(hw, REG_MTU);
regs_buff[21] = AT_READ_REG(hw, REG_WOL_CTRL);
regs_buff[22] = AT_READ_REG(hw, REG_SRAM_TRD_ADDR);
regs_buff[23] = AT_READ_REG(hw, REG_SRAM_TRD_LEN);
regs_buff[24] = AT_READ_REG(hw, REG_SRAM_RXF_ADDR);
regs_buff[25] = AT_READ_REG(hw, REG_SRAM_RXF_LEN);
regs_buff[26] = AT_READ_REG(hw, REG_SRAM_TXF_ADDR);
regs_buff[27] = AT_READ_REG(hw, REG_SRAM_TXF_LEN);
regs_buff[28] = AT_READ_REG(hw, REG_SRAM_TCPH_ADDR);
regs_buff[29] = AT_READ_REG(hw, REG_SRAM_PKTH_ADDR);
atl1e_read_phy_reg(hw, MII_BMCR, &phy_data);
regs_buff[73] = (u32)phy_data;
atl1e_read_phy_reg(hw, MII_BMSR, &phy_data);
regs_buff[74] = (u32)phy_data;
}
static int atl1e_get_eeprom_len(struct net_device *netdev)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
if (!atl1e_check_eeprom_exist(&adapter->hw))
return AT_EEPROM_LEN;
else
return 0;
}
static int atl1e_get_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
struct atl1e_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 (atl1e_check_eeprom_exist(hw)) /* not exist */
return -EINVAL;
eeprom->magic = hw->vendor_id | (hw->device_id << 16);
first_dword = eeprom->offset >> 2;
last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
eeprom_buff = kmalloc_array(last_dword - first_dword + 1, sizeof(u32),
GFP_KERNEL);
if (eeprom_buff == NULL)
return -ENOMEM;
for (i = first_dword; i < last_dword; i++) {
if (!atl1e_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;
}
static int atl1e_set_eeprom(struct net_device *netdev,
struct ethtool_eeprom *eeprom, u8 *bytes)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
struct atl1e_hw *hw = &adapter->hw;
u32 *eeprom_buff;
u32 *ptr;
int first_dword, last_dword;
int ret_val = 0;
int i;
if (eeprom->len == 0)
return -EOPNOTSUPP;
if (eeprom->magic != (hw->vendor_id | (hw->device_id << 16)))
return -EINVAL;
first_dword = eeprom->offset >> 2;
last_dword = (eeprom->offset + eeprom->len - 1) >> 2;
eeprom_buff = kmalloc(AT_EEPROM_LEN, GFP_KERNEL);
if (eeprom_buff == NULL)
return -ENOMEM;
ptr = eeprom_buff;
if (eeprom->offset & 3) {
/* need read/modify/write of first changed EEPROM word */
/* only the second byte of the word is being modified */
if (!atl1e_read_eeprom(hw, first_dword * 4, &(eeprom_buff[0]))) {
ret_val = -EIO;
goto out;
}
ptr++;
}
if (((eeprom->offset + eeprom->len) & 3)) {
/* need read/modify/write of last changed EEPROM word */
/* only the first byte of the word is being modified */
if (!atl1e_read_eeprom(hw, last_dword * 4,
&(eeprom_buff[last_dword - first_dword]))) {
ret_val = -EIO;
goto out;
}
}
/* Device's eeprom is always little-endian, word addressable */
memcpy(ptr, bytes, eeprom->len);
for (i = 0; i < last_dword - first_dword + 1; i++) {
if (!atl1e_write_eeprom(hw, ((first_dword + i) * 4),
eeprom_buff[i])) {
ret_val = -EIO;
goto out;
}
}
out:
kfree(eeprom_buff);
return ret_val;
}
static void atl1e_get_drvinfo(struct net_device *netdev,
struct ethtool_drvinfo *drvinfo)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
strlcpy(drvinfo->driver, atl1e_driver_name, sizeof(drvinfo->driver));
strlcpy(drvinfo->fw_version, "L1e", sizeof(drvinfo->fw_version));
strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
sizeof(drvinfo->bus_info));
}
static void atl1e_get_wol(struct net_device *netdev,
struct ethtool_wolinfo *wol)
{
struct atl1e_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 atl1e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
struct atl1e_adapter *adapter = netdev_priv(netdev);
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;
}
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