e1000_ethtool-2.6.13-orig.c

						   E1000_TXD_CMD_IFCS |
						   E1000_TXD_CMD_RPS);
		tx_desc->upper.data = 0;
	}

	/* Setup Rx descriptor ring and Rx buffers */

	if(!rxdr->count)
		rxdr->count = E1000_DEFAULT_RXD;   

	size = rxdr->count * sizeof(struct e1000_buffer);
	if(!(rxdr->buffer_info = kmalloc(size, GFP_KERNEL))) {
		ret_val = 4;
		goto err_nomem;
	}
	memset(rxdr->buffer_info, 0, size);

	rxdr->size = rxdr->count * sizeof(struct e1000_rx_desc);
	if(!(rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma))) {
		ret_val = 5;
		goto err_nomem;
	}
	memset(rxdr->desc, 0, rxdr->size);
	rxdr->next_to_use = rxdr->next_to_clean = 0;

	rctl = E1000_READ_REG(&adapter->hw, RCTL);
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl & ~E1000_RCTL_EN);
	E1000_WRITE_REG(&adapter->hw, RDBAL,
			((uint64_t) rxdr->dma & 0xFFFFFFFF));
	E1000_WRITE_REG(&adapter->hw, RDBAH, ((uint64_t) rxdr->dma >> 32));
	E1000_WRITE_REG(&adapter->hw, RDLEN, rxdr->size);
	E1000_WRITE_REG(&adapter->hw, RDH, 0);
	E1000_WRITE_REG(&adapter->hw, RDT, 0);
	rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
		E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
		(adapter->hw.mc_filter_type << E1000_RCTL_MO_SHIFT);
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);

	for(i = 0; i < rxdr->count; i++) {
		struct e1000_rx_desc *rx_desc = E1000_RX_DESC(*rxdr, i);
		struct sk_buff *skb;

		if(!(skb = alloc_skb(E1000_RXBUFFER_2048 + NET_IP_ALIGN,
				GFP_KERNEL))) {
			ret_val = 6;
			goto err_nomem;
		}
		skb_reserve(skb, NET_IP_ALIGN);
		rxdr->buffer_info[i].skb = skb;
		rxdr->buffer_info[i].length = E1000_RXBUFFER_2048;
		rxdr->buffer_info[i].dma =
			pci_map_single(pdev, skb->data, E1000_RXBUFFER_2048,
				       PCI_DMA_FROMDEVICE);
		rx_desc->buffer_addr = cpu_to_le64(rxdr->buffer_info[i].dma);
		memset(skb->data, 0x00, skb->len);
	}

	return 0;

err_nomem:
	e1000_free_desc_rings(adapter);
	return ret_val;
}

static void
e1000_phy_disable_receiver(struct e1000_adapter *adapter)
{
	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
	e1000_write_phy_reg(&adapter->hw, 29, 0x001F);
	e1000_write_phy_reg(&adapter->hw, 30, 0x8FFC);
	e1000_write_phy_reg(&adapter->hw, 29, 0x001A);
	e1000_write_phy_reg(&adapter->hw, 30, 0x8FF0);
}

static void
e1000_phy_reset_clk_and_crs(struct e1000_adapter *adapter)
{
	uint16_t phy_reg;

	/* Because we reset the PHY above, we need to re-force TX_CLK in the
	 * Extended PHY Specific Control Register to 25MHz clock.  This
	 * value defaults back to a 2.5MHz clock when the PHY is reset.
	 */
	e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
	phy_reg |= M88E1000_EPSCR_TX_CLK_25;
	e1000_write_phy_reg(&adapter->hw,
		M88E1000_EXT_PHY_SPEC_CTRL, phy_reg);

	/* In addition, because of the s/w reset above, we need to enable
	 * CRS on TX.  This must be set for both full and half duplex
	 * operation.
	 */
	e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);
	phy_reg |= M88E1000_PSCR_ASSERT_CRS_ON_TX;
	e1000_write_phy_reg(&adapter->hw,
		M88E1000_PHY_SPEC_CTRL, phy_reg);
}

static int
e1000_nonintegrated_phy_loopback(struct e1000_adapter *adapter)
{
	uint32_t ctrl_reg;
	uint16_t phy_reg;

	/* Setup the Device Control Register for PHY loopback test. */

	ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
	ctrl_reg |= (E1000_CTRL_ILOS |		/* Invert Loss-Of-Signal */
		     E1000_CTRL_FRCSPD |	/* Set the Force Speed Bit */
		     E1000_CTRL_FRCDPX |	/* Set the Force Duplex Bit */
		     E1000_CTRL_SPD_1000 |	/* Force Speed to 1000 */
		     E1000_CTRL_FD);		/* Force Duplex to FULL */

	E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);

	/* Read the PHY Specific Control Register (0x10) */
	e1000_read_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, &phy_reg);

	/* Clear Auto-Crossover bits in PHY Specific Control Register
	 * (bits 6:5).
	 */
	phy_reg &= ~M88E1000_PSCR_AUTO_X_MODE;
	e1000_write_phy_reg(&adapter->hw, M88E1000_PHY_SPEC_CTRL, phy_reg);

	/* Perform software reset on the PHY */
	e1000_phy_reset(&adapter->hw);

	/* Have to setup TX_CLK and TX_CRS after software reset */
	e1000_phy_reset_clk_and_crs(adapter);

	e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8100);

	/* Wait for reset to complete. */
	udelay(500);

	/* Have to setup TX_CLK and TX_CRS after software reset */
	e1000_phy_reset_clk_and_crs(adapter);

	/* Write out to PHY registers 29 and 30 to disable the Receiver. */
	e1000_phy_disable_receiver(adapter);

	/* Set the loopback bit in the PHY control register. */
	e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
	phy_reg |= MII_CR_LOOPBACK;
	e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);

	/* Setup TX_CLK and TX_CRS one more time. */
	e1000_phy_reset_clk_and_crs(adapter);

	/* Check Phy Configuration */
	e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
	if(phy_reg != 0x4100)
		 return 9;

	e1000_read_phy_reg(&adapter->hw, M88E1000_EXT_PHY_SPEC_CTRL, &phy_reg);
	if(phy_reg != 0x0070)
		return 10;

	e1000_read_phy_reg(&adapter->hw, 29, &phy_reg);
	if(phy_reg != 0x001A)
		return 11;

	return 0;
}

static int
e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
{
	uint32_t ctrl_reg = 0;
	uint32_t stat_reg = 0;

	adapter->hw.autoneg = FALSE;

	if(adapter->hw.phy_type == e1000_phy_m88) {
		/* Auto-MDI/MDIX Off */
		e1000_write_phy_reg(&adapter->hw,
				    M88E1000_PHY_SPEC_CTRL, 0x0808);
		/* reset to update Auto-MDI/MDIX */
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x9140);
		/* autoneg off */
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x8140);
	}
	/* force 1000, set loopback */
	e1000_write_phy_reg(&adapter->hw, PHY_CTRL, 0x4140);

	/* Now set up the MAC to the same speed/duplex as the PHY. */
	ctrl_reg = E1000_READ_REG(&adapter->hw, CTRL);
	ctrl_reg &= ~E1000_CTRL_SPD_SEL; /* Clear the speed sel bits */
	ctrl_reg |= (E1000_CTRL_FRCSPD | /* Set the Force Speed Bit */
		     E1000_CTRL_FRCDPX | /* Set the Force Duplex Bit */
		     E1000_CTRL_SPD_1000 |/* Force Speed to 1000 */
		     E1000_CTRL_FD);	 /* Force Duplex to FULL */

	if(adapter->hw.media_type == e1000_media_type_copper &&
	   adapter->hw.phy_type == e1000_phy_m88) {
		ctrl_reg |= E1000_CTRL_ILOS; /* Invert Loss of Signal */
	} else {
		/* Set the ILOS bit on the fiber Nic is half
		 * duplex link is detected. */
		stat_reg = E1000_READ_REG(&adapter->hw, STATUS);
		if((stat_reg & E1000_STATUS_FD) == 0)
			ctrl_reg |= (E1000_CTRL_ILOS | E1000_CTRL_SLU);
	}

	E1000_WRITE_REG(&adapter->hw, CTRL, ctrl_reg);

	/* Disable the receiver on the PHY so when a cable is plugged in, the
	 * PHY does not begin to autoneg when a cable is reconnected to the NIC.
	 */
	if(adapter->hw.phy_type == e1000_phy_m88)
		e1000_phy_disable_receiver(adapter);

	udelay(500);

	return 0;
}

static int
e1000_set_phy_loopback(struct e1000_adapter *adapter)
{
	uint16_t phy_reg = 0;
	uint16_t count = 0;

	switch (adapter->hw.mac_type) {
	case e1000_82543:
		if(adapter->hw.media_type == e1000_media_type_copper) {
			/* Attempt to setup Loopback mode on Non-integrated PHY.
			 * Some PHY registers get corrupted at random, so
			 * attempt this 10 times.
			 */
			while(e1000_nonintegrated_phy_loopback(adapter) &&
			      count++ < 10);
			if(count < 11)
				return 0;
		}
		break;

	case e1000_82544:
	case e1000_82540:
	case e1000_82545:
	case e1000_82545_rev_3:
	case e1000_82546:
	case e1000_82546_rev_3:
	case e1000_82541:
	case e1000_82541_rev_2:
	case e1000_82547:
	case e1000_82547_rev_2:
	case e1000_82573:
		return e1000_integrated_phy_loopback(adapter);
		break;

	default:
		/* Default PHY loopback work is to read the MII
		 * control register and assert bit 14 (loopback mode).
		 */
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
		phy_reg |= MII_CR_LOOPBACK;
		e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
		return 0;
		break;
	}

	return 8;
}

static int
e1000_setup_loopback_test(struct e1000_adapter *adapter)
{
	uint32_t rctl;

	if(adapter->hw.media_type == e1000_media_type_fiber ||
	   adapter->hw.media_type == e1000_media_type_internal_serdes) {
		if(adapter->hw.mac_type == e1000_82545 ||
		   adapter->hw.mac_type == e1000_82546 ||
		   adapter->hw.mac_type == e1000_82545_rev_3 ||
		   adapter->hw.mac_type == e1000_82546_rev_3)
			return e1000_set_phy_loopback(adapter);
		else {
			rctl = E1000_READ_REG(&adapter->hw, RCTL);
			rctl |= E1000_RCTL_LBM_TCVR;
			E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
			return 0;
		}
	} else if(adapter->hw.media_type == e1000_media_type_copper)
		return e1000_set_phy_loopback(adapter);

	return 7;
}

static void
e1000_loopback_cleanup(struct e1000_adapter *adapter)
{
	uint32_t rctl;
	uint16_t phy_reg;

	rctl = E1000_READ_REG(&adapter->hw, RCTL);
	rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
	E1000_WRITE_REG(&adapter->hw, RCTL, rctl);

	if(adapter->hw.media_type == e1000_media_type_copper ||
	   ((adapter->hw.media_type == e1000_media_type_fiber ||
	     adapter->hw.media_type == e1000_media_type_internal_serdes) &&
	    (adapter->hw.mac_type == e1000_82545 ||
	     adapter->hw.mac_type == e1000_82546 ||
	     adapter->hw.mac_type == e1000_82545_rev_3 ||
	     adapter->hw.mac_type == e1000_82546_rev_3))) {
		adapter->hw.autoneg = TRUE;
		e1000_read_phy_reg(&adapter->hw, PHY_CTRL, &phy_reg);
		if(phy_reg & MII_CR_LOOPBACK) {
			phy_reg &= ~MII_CR_LOOPBACK;
			e1000_write_phy_reg(&adapter->hw, PHY_CTRL, phy_reg);
			e1000_phy_reset(&adapter->hw);
		}
	}
}

static void
e1000_create_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
	memset(skb->data, 0xFF, frame_size);
	frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
	memset(&skb->data[frame_size / 2], 0xAA, frame_size / 2 - 1);
	memset(&skb->data[frame_size / 2 + 10], 0xBE, 1);
	memset(&skb->data[frame_size / 2 + 12], 0xAF, 1);
}

static int
e1000_check_lbtest_frame(struct sk_buff *skb, unsigned int frame_size)
{
	frame_size = (frame_size % 2) ? (frame_size - 1) : frame_size;
	if(*(skb->data + 3) == 0xFF) {
		if((*(skb->data + frame_size / 2 + 10) == 0xBE) &&
		   (*(skb->data + frame_size / 2 + 12) == 0xAF)) {
			return 0;
		}
	}
	return 13;
}

static int
e1000_run_loopback_test(struct e1000_adapter *adapter)
{
	struct e1000_desc_ring *txdr = &adapter->test_tx_ring;
	struct e1000_desc_ring *rxdr = &adapter->test_rx_ring;
	struct pci_dev *pdev = adapter->pdev;
	int i, j, k, l, lc, good_cnt, ret_val=0;
	unsigned long time;

	E1000_WRITE_REG(&adapter->hw, RDT, rxdr->count - 1);

	/* Calculate the loop count based on the largest descriptor ring 
	 * The idea is to wrap the largest ring a number of times using 64
	 * send/receive pairs during each loop
	 */

	if(rxdr->count <= txdr->count)
		lc = ((txdr->count / 64) * 2) + 1;
	else
		lc = ((rxdr->count / 64) * 2) + 1;

	k = l = 0;
	for(j = 0; j <= lc; j++) { /* loop count loop */
		for(i = 0; i < 64; i++) { /* send the packets */
			e1000_create_lbtest_frame(txdr->buffer_info[i].skb, 
					1024);
			pci_dma_sync_single_for_device(pdev, 
					txdr->buffer_info[k].dma,
				    	txdr->buffer_info[k].length,
				    	PCI_DMA_TODEVICE);
			if(unlikely(++k == txdr->count)) k = 0;
		}
		E1000_WRITE_REG(&adapter->hw, TDT, k);
		msec_delay(200);
		time = jiffies; /* set the start time for the receive */
		good_cnt = 0;
		do { /* receive the sent packets */
			pci_dma_sync_single_for_cpu(pdev, 
					rxdr->buffer_info[l].dma,
				    	rxdr->buffer_info[l].length,
				    	PCI_DMA_FROMDEVICE);
	
			ret_val = e1000_check_lbtest_frame(
					rxdr->buffer_info[l].skb,
				   	1024);
			if(!ret_val)
				good_cnt++;
			if(unlikely(++l == rxdr->count)) l = 0;
			/* time + 20 msecs (200 msecs on 2.4) is more than 
			 * enough time to complete the receives, if it's 
			 * exceeded, break and error off
			 */
		} while (good_cnt < 64 && jiffies < (time + 20));
		if(good_cnt != 64) {
			ret_val = 13; /* ret_val is the same as mis-compare */
			break; 
		}
		if(jiffies >= (time + 2)) {
			ret_val = 14; /* error code for time out error */
			break;
		}
	} /* end loop count loop */
	return ret_val;
}

static int
e1000_loopback_test(struct e1000_adapter *adapter, uint64_t *data)
{
	if((*data = e1000_setup_desc_rings(adapter))) goto err_loopback;
	if((*data = e1000_setup_loopback_test(adapter))) goto err_loopback;
	*data = e1000_run_loopback_test(adapter);
	e1000_loopback_cleanup(adapter);
	e1000_free_desc_rings(adapter);
err_loopback:
	return *data;
}

static int
e1000_link_test(struct e1000_adapter *adapter, uint64_t *data)
{
	*data = 0;
	if (adapter->hw.media_type == e1000_media_type_internal_serdes) {
		int i = 0;
		adapter->hw.serdes_link_down = TRUE;

		/* On some blade server designs, link establishment
		 * could take as long as 2-3 minutes */
		do {
			e1000_check_for_link(&adapter->hw);
			if (adapter->hw.serdes_link_down == FALSE)
				return *data;
			msec_delay(20);
		} while (i++ < 3750);

		*data = 1;
	} else {
		e1000_check_for_link(&adapter->hw);
		if(adapter->hw.autoneg)  /* if auto_neg is set wait for it */
			msec_delay(4000);

		if(!(E1000_READ_REG(&adapter->hw, STATUS) & E1000_STATUS_LU)) {
			*data = 1;
		}
	}
	return *data;
}

static int 
e1000_diag_test_count(struct net_device *netdev)
{
	return E1000_TEST_LEN;
}

static void
e1000_diag_test(struct net_device *netdev,
		   struct ethtool_test *eth_test, uint64_t *data)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	boolean_t if_running = netif_running(netdev);

	if(eth_test->flags == ETH_TEST_FL_OFFLINE) {
		/* Offline tests */

		/* save speed, duplex, autoneg settings */
		uint16_t autoneg_advertised = adapter->hw.autoneg_advertised;
		uint8_t forced_speed_duplex = adapter->hw.forced_speed_duplex;
		uint8_t autoneg = adapter->hw.autoneg;

		/* Link test performed before hardware reset so autoneg doesn't
		 * interfere with test result */
		if(e1000_link_test(adapter, &data[4]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		if(if_running)
			e1000_down(adapter);
		else
			e1000_reset(adapter);

		if(e1000_reg_test(adapter, &data[0]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
		if(e1000_eeprom_test(adapter, &data[1]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
		if(e1000_intr_test(adapter, &data[2]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		e1000_reset(adapter);
		if(e1000_loopback_test(adapter, &data[3]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* restore speed, duplex, autoneg settings */
		adapter->hw.autoneg_advertised = autoneg_advertised;
		adapter->hw.forced_speed_duplex = forced_speed_duplex;
		adapter->hw.autoneg = autoneg;

		e1000_reset(adapter);
		if(if_running)
			e1000_up(adapter);
	} else {
		/* Online tests */
		if(e1000_link_test(adapter, &data[4]))
			eth_test->flags |= ETH_TEST_FL_FAILED;

		/* Offline tests aren't run; pass by default */
		data[0] = 0;
		data[1] = 0;
		data[2] = 0;
		data[3] = 0;
	}
}

static void
e1000_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	switch(adapter->hw.device_id) {
	case E1000_DEV_ID_82542:
	case E1000_DEV_ID_82543GC_FIBER:
	case E1000_DEV_ID_82543GC_COPPER:
	case E1000_DEV_ID_82544EI_FIBER:
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
	case E1000_DEV_ID_82545EM_FIBER:
	case E1000_DEV_ID_82545EM_COPPER:
		wol->supported = 0;
		wol->wolopts   = 0;
		return;

	case E1000_DEV_ID_82546EB_FIBER:
	case E1000_DEV_ID_82546GB_FIBER:
		/* Wake events only supported on port A for dual fiber */
		if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1) {
			wol->supported = 0;
			wol->wolopts   = 0;
			return;
		}
		/* Fall Through */

	default:
		wol->supported = WAKE_UCAST | WAKE_MCAST |
				 WAKE_BCAST | WAKE_MAGIC;

		wol->wolopts = 0;
		if(adapter->wol & E1000_WUFC_EX)
			wol->wolopts |= WAKE_UCAST;
		if(adapter->wol & E1000_WUFC_MC)
			wol->wolopts |= WAKE_MCAST;
		if(adapter->wol & E1000_WUFC_BC)
			wol->wolopts |= WAKE_BCAST;
		if(adapter->wol & E1000_WUFC_MAG)
			wol->wolopts |= WAKE_MAGIC;
		return;
	}
}

static int
e1000_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	struct e1000_hw *hw = &adapter->hw;

	switch(adapter->hw.device_id) {
	case E1000_DEV_ID_82542:
	case E1000_DEV_ID_82543GC_FIBER:
	case E1000_DEV_ID_82543GC_COPPER:
	case E1000_DEV_ID_82544EI_FIBER:
	case E1000_DEV_ID_82546EB_QUAD_COPPER:
	case E1000_DEV_ID_82545EM_FIBER:
	case E1000_DEV_ID_82545EM_COPPER:
		return wol->wolopts ? -EOPNOTSUPP : 0;

	case E1000_DEV_ID_82546EB_FIBER:
	case E1000_DEV_ID_82546GB_FIBER:
		/* Wake events only supported on port A for dual fiber */
		if(E1000_READ_REG(hw, STATUS) & E1000_STATUS_FUNC_1)
			return wol->wolopts ? -EOPNOTSUPP : 0;
		/* Fall Through */

	default:
		if(wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
			return -EOPNOTSUPP;

		adapter->wol = 0;

		if(wol->wolopts & WAKE_UCAST)
			adapter->wol |= E1000_WUFC_EX;
		if(wol->wolopts & WAKE_MCAST)
			adapter->wol |= E1000_WUFC_MC;
		if(wol->wolopts & WAKE_BCAST)
			adapter->wol |= E1000_WUFC_BC;
		if(wol->wolopts & WAKE_MAGIC)
			adapter->wol |= E1000_WUFC_MAG;
	}

	return 0;
}

/* toggle LED 4 times per second = 2 "blinks" per second */
#define E1000_ID_INTERVAL	(HZ/4)

/* bit defines for adapter->led_status */
#define E1000_LED_ON		0

static void
e1000_led_blink_callback(unsigned long data)
{
	struct e1000_adapter *adapter = (struct e1000_adapter *) data;

	if(test_and_change_bit(E1000_LED_ON, &adapter->led_status))
		e1000_led_off(&adapter->hw);
	else
		e1000_led_on(&adapter->hw);

	mod_timer(&adapter->blink_timer, jiffies + E1000_ID_INTERVAL);
}

static int
e1000_phys_id(struct net_device *netdev, uint32_t data)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);

	if(!data || data > (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ))
		data = (uint32_t)(MAX_SCHEDULE_TIMEOUT / HZ);

	if(adapter->hw.mac_type < e1000_82573) {
		if(!adapter->blink_timer.function) {
			init_timer(&adapter->blink_timer);
			adapter->blink_timer.function = e1000_led_blink_callback;
			adapter->blink_timer.data = (unsigned long) adapter;
		}
		e1000_setup_led(&adapter->hw);
		mod_timer(&adapter->blink_timer, jiffies);
		msleep_interruptible(data * 1000);
		del_timer_sync(&adapter->blink_timer);
	}
	else {
		E1000_WRITE_REG(&adapter->hw, LEDCTL, (E1000_LEDCTL_LED2_BLINK_RATE |
			E1000_LEDCTL_LED1_BLINK | E1000_LEDCTL_LED2_BLINK | 
			(E1000_LEDCTL_MODE_LED_ON << E1000_LEDCTL_LED2_MODE_SHIFT) |
			(E1000_LEDCTL_MODE_LINK_ACTIVITY << E1000_LEDCTL_LED1_MODE_SHIFT) |
			(E1000_LEDCTL_MODE_LED_OFF << E1000_LEDCTL_LED0_MODE_SHIFT)));
		msleep_interruptible(data * 1000);
	}

	e1000_led_off(&adapter->hw);
	clear_bit(E1000_LED_ON, &adapter->led_status);
	e1000_cleanup_led(&adapter->hw);

	return 0;
}

static int
e1000_nway_reset(struct net_device *netdev)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	if(netif_running(netdev)) {
		e1000_down(adapter);
		e1000_up(adapter);
	}
	return 0;
}

static int 
e1000_get_stats_count(struct net_device *netdev)
{
	return E1000_STATS_LEN;
}

static void 
e1000_get_ethtool_stats(struct net_device *netdev, 
		struct ethtool_stats *stats, uint64_t *data)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);
	int i;

	e1000_update_stats(adapter);
	for(i = 0; i < E1000_STATS_LEN; i++) {
		char *p = (char *)adapter+e1000_gstrings_stats[i].stat_offset;	
		data[i] = (e1000_gstrings_stats[i].sizeof_stat == 
			sizeof(uint64_t)) ? *(uint64_t *)p : *(uint32_t *)p;
	}
}

static void 
e1000_get_strings(struct net_device *netdev, uint32_t stringset, uint8_t *data)
{
	int i;

	switch(stringset) {
	case ETH_SS_TEST:
		memcpy(data, *e1000_gstrings_test, 
			E1000_TEST_LEN*ETH_GSTRING_LEN);
		break;
	case ETH_SS_STATS:
		for (i=0; i < E1000_STATS_LEN; i++) {
			memcpy(data + i * ETH_GSTRING_LEN, 
			e1000_gstrings_stats[i].stat_string,
			ETH_GSTRING_LEN);
		}
		break;
	}
}

struct ethtool_ops e1000_ethtool_ops = {
	.get_settings           = e1000_get_settings,
	.set_settings           = e1000_set_settings,
	.get_drvinfo            = e1000_get_drvinfo,
	.get_regs_len           = e1000_get_regs_len,
	.get_regs               = e1000_get_regs,
	.get_wol                = e1000_get_wol,
	.set_wol                = e1000_set_wol,
	.get_msglevel	        = e1000_get_msglevel,
	.set_msglevel	        = e1000_set_msglevel,
	.nway_reset             = e1000_nway_reset,
	.get_link               = ethtool_op_get_link,
	.get_eeprom_len         = e1000_get_eeprom_len,
	.get_eeprom             = e1000_get_eeprom,
	.set_eeprom             = e1000_set_eeprom,
	.get_ringparam          = e1000_get_ringparam,
	.set_ringparam          = e1000_set_ringparam,
	.get_pauseparam		= e1000_get_pauseparam,
	.set_pauseparam		= e1000_set_pauseparam,
	.get_rx_csum		= e1000_get_rx_csum,
	.set_rx_csum		= e1000_set_rx_csum,
	.get_tx_csum		= e1000_get_tx_csum,
	.set_tx_csum		= e1000_set_tx_csum,
	.get_sg			= ethtool_op_get_sg,
	.set_sg			= ethtool_op_set_sg,
#ifdef NETIF_F_TSO
	.get_tso		= ethtool_op_get_tso,
	.set_tso		= e1000_set_tso,
#endif
	.self_test_count        = e1000_diag_test_count,
	.self_test              = e1000_diag_test,
	.get_strings            = e1000_get_strings,
	.phys_id                = e1000_phys_id,
	.get_stats_count        = e1000_get_stats_count,
	.get_ethtool_stats      = e1000_get_ethtool_stats,
};

void e1000_set_ethtool_ops(struct net_device *netdev)
{
	SET_ETHTOOL_OPS(netdev, &e1000_ethtool_ops);
}