399 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			399 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
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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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 * 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 <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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	strlcpy(drvinfo->driver,  atl1e_driver_name, sizeof(drvinfo->driver));
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	strlcpy(drvinfo->version, atl1e_driver_version,
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		sizeof(drvinfo->version));
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	strlcpy(drvinfo->fw_version, "L1e", 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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}
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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 |
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			    WAKE_UCAST | WAKE_MCAST | WAKE_BCAST))
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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 atl1e_nway_reset(struct net_device *netdev)
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{
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	struct atl1e_adapter *adapter = netdev_priv(netdev);
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	if (netif_running(netdev))
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		atl1e_reinit_locked(adapter);
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	return 0;
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}
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static const struct ethtool_ops atl1e_ethtool_ops = {
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	.get_drvinfo            = atl1e_get_drvinfo,
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	.get_regs_len           = atl1e_get_regs_len,
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	.get_regs               = atl1e_get_regs,
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	.get_wol                = atl1e_get_wol,
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	.set_wol                = atl1e_set_wol,
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	.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;
 | 
						|
}
 |