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linux_dsm_epyc7002/drivers/net/ethernet/atheros/atl1e/atl1e_ethtool.c
Thomas Gleixner 1a59d1b8e0 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-or-later

has been chosen to replace the boilerplate/reference in 1334 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:26:35 -07:00

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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->version, atl1e_driver_version,
sizeof(drvinfo->version));
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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