320 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			320 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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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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 * This program is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License as published by the Free
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 * Software Foundation; either version 2 of the License, or (at your option)
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 * any later version.
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 *
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 * This program is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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 * more details.
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 *
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 * You should have received a copy of the GNU General Public License along with
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 * this program; if not, write to the Free Software Foundation, Inc., 59
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 * Temple Place - Suite 330, Boston, MA  02111-1307, USA.
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 *
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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 "atl1c.h"
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static int atl1c_get_settings(struct net_device *netdev,
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			      struct ethtool_cmd *ecmd)
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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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	ecmd->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->ctrl_flags & ATL1C_LINK_CAP_1000M)
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		ecmd->supported |= SUPPORTED_1000baseT_Full;
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	ecmd->advertising = ADVERTISED_TP;
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	ecmd->advertising |= hw->autoneg_advertised;
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	ecmd->port = PORT_TP;
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	ecmd->phy_address = 0;
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	ecmd->transceiver = XCVR_INTERNAL;
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	if (adapter->link_speed != SPEED_0) {
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		ecmd->speed = adapter->link_speed;
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		if (adapter->link_duplex == FULL_DUPLEX)
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			ecmd->duplex = DUPLEX_FULL;
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		else
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			ecmd->duplex = DUPLEX_HALF;
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	} else {
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		ecmd->speed = -1;
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		ecmd->duplex = -1;
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	}
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	ecmd->autoneg = AUTONEG_ENABLE;
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	return 0;
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}
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static int atl1c_set_settings(struct net_device *netdev,
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			      struct ethtool_cmd *ecmd)
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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 (ecmd->autoneg == AUTONEG_ENABLE) {
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		autoneg_advertised = ADVERTISED_Autoneg;
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	} else {
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		if (ecmd->speed == SPEED_1000) {
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			if (ecmd->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 (ecmd->speed == SPEED_100) {
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			if (ecmd->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 (ecmd->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_tx_csum(struct net_device *netdev)
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{
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	return (netdev->features & NETIF_F_HW_CSUM) != 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 = 0;
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	AT_READ_REG(hw, REG_VPD_CAP, 		  p++);
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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_LOCK, 	  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[73] =	(u32) phy_data;
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	atl1c_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 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(sizeof(u32) *
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			(last_dword - first_dword + 1), 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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	strlcpy(drvinfo->driver,  atl1c_driver_name, sizeof(drvinfo->driver));
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	strlcpy(drvinfo->version, atl1c_driver_version,
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		sizeof(drvinfo->version));
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	strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
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	strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
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		sizeof(drvinfo->bus_info));
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	drvinfo->n_stats = 0;
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	drvinfo->testinfo_len = 0;
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	drvinfo->regdump_len = atl1c_get_regs_len(netdev);
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	drvinfo->eedump_len = atl1c_get_eeprom_len(netdev);
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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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	return;
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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_settings           = atl1c_get_settings,
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	.set_settings           = atl1c_set_settings,
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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_tx_csum            = atl1c_get_tx_csum,
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	.get_sg                 = ethtool_op_get_sg,
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	.set_sg                 = ethtool_op_set_sg,
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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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	SET_ETHTOOL_OPS(netdev, &atl1c_ethtool_ops);
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}
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