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Commit a1082bfe authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/jkirsher/net-next-2.6

parents 9d1e5e40 147b2c8c
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+123 −20
Original line number Diff line number Diff line
@@ -74,6 +74,9 @@ static bool e1000_check_mng_mode_82574(struct e1000_hw *hw);
static s32 e1000_led_on_82574(struct e1000_hw *hw);
static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw);
static void e1000_power_down_phy_copper_82571(struct e1000_hw *hw);
static void e1000_put_hw_semaphore_82573(struct e1000_hw *hw);
static s32 e1000_get_hw_semaphore_82574(struct e1000_hw *hw);
static void e1000_put_hw_semaphore_82574(struct e1000_hw *hw);

/**
 *  e1000_init_phy_params_82571 - Init PHY func ptrs.
@@ -107,6 +110,8 @@ static s32 e1000_init_phy_params_82571(struct e1000_hw *hw)
	case e1000_82574:
	case e1000_82583:
		phy->type		 = e1000_phy_bm;
		phy->ops.acquire = e1000_get_hw_semaphore_82574;
		phy->ops.release = e1000_put_hw_semaphore_82574;
		break;
	default:
		return -E1000_ERR_PHY;
@@ -200,6 +205,17 @@ static s32 e1000_init_nvm_params_82571(struct e1000_hw *hw)
		break;
	}

	/* Function Pointers */
	switch (hw->mac.type) {
	case e1000_82574:
	case e1000_82583:
		nvm->ops.acquire = e1000_get_hw_semaphore_82574;
		nvm->ops.release = e1000_put_hw_semaphore_82574;
		break;
	default:
		break;
	}

	return 0;
}

@@ -542,6 +558,94 @@ static void e1000_put_hw_semaphore_82571(struct e1000_hw *hw)
	swsm &= ~(E1000_SWSM_SMBI | E1000_SWSM_SWESMBI);
	ew32(SWSM, swsm);
}
/**
 *  e1000_get_hw_semaphore_82573 - Acquire hardware semaphore
 *  @hw: pointer to the HW structure
 *
 *  Acquire the HW semaphore during reset.
 *
 **/
static s32 e1000_get_hw_semaphore_82573(struct e1000_hw *hw)
{
	u32 extcnf_ctrl;
	s32 ret_val = 0;
	s32 i = 0;

	extcnf_ctrl = er32(EXTCNF_CTRL);
	extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
	do {
		ew32(EXTCNF_CTRL, extcnf_ctrl);
		extcnf_ctrl = er32(EXTCNF_CTRL);

		if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP)
			break;

		extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;

		msleep(2);
		i++;
	} while (i < MDIO_OWNERSHIP_TIMEOUT);

	if (i == MDIO_OWNERSHIP_TIMEOUT) {
		/* Release semaphores */
		e1000_put_hw_semaphore_82573(hw);
		e_dbg("Driver can't access the PHY\n");
		ret_val = -E1000_ERR_PHY;
		goto out;
	}

out:
	return ret_val;
}

/**
 *  e1000_put_hw_semaphore_82573 - Release hardware semaphore
 *  @hw: pointer to the HW structure
 *
 *  Release hardware semaphore used during reset.
 *
 **/
static void e1000_put_hw_semaphore_82573(struct e1000_hw *hw)
{
	u32 extcnf_ctrl;

	extcnf_ctrl = er32(EXTCNF_CTRL);
	extcnf_ctrl &= ~E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;
	ew32(EXTCNF_CTRL, extcnf_ctrl);
}

static DEFINE_MUTEX(swflag_mutex);

/**
 *  e1000_get_hw_semaphore_82574 - Acquire hardware semaphore
 *  @hw: pointer to the HW structure
 *
 *  Acquire the HW semaphore to access the PHY or NVM.
 *
 **/
static s32 e1000_get_hw_semaphore_82574(struct e1000_hw *hw)
{
	s32 ret_val;

	mutex_lock(&swflag_mutex);
	ret_val = e1000_get_hw_semaphore_82573(hw);
	if (ret_val)
		mutex_unlock(&swflag_mutex);
	return ret_val;
}

/**
 *  e1000_put_hw_semaphore_82574 - Release hardware semaphore
 *  @hw: pointer to the HW structure
 *
 *  Release hardware semaphore used to access the PHY or NVM
 *
 **/
static void e1000_put_hw_semaphore_82574(struct e1000_hw *hw)
{
	e1000_put_hw_semaphore_82573(hw);
	mutex_unlock(&swflag_mutex);
}

/**
 *  e1000_acquire_nvm_82571 - Request for access to the EEPROM
@@ -562,8 +666,6 @@ static s32 e1000_acquire_nvm_82571(struct e1000_hw *hw)

	switch (hw->mac.type) {
	case e1000_82573:
	case e1000_82574:
	case e1000_82583:
		break;
	default:
		ret_val = e1000e_acquire_nvm(hw);
@@ -853,9 +955,8 @@ static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active)
 **/
static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
{
	u32 ctrl, extcnf_ctrl, ctrl_ext, icr;
	u32 ctrl, ctrl_ext, icr;
	s32 ret_val;
	u16 i = 0;

	/*
	 * Prevent the PCI-E bus from sticking if there is no TLP connection
@@ -880,33 +981,33 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
	 */
	switch (hw->mac.type) {
	case e1000_82573:
		ret_val = e1000_get_hw_semaphore_82573(hw);
		break;
	case e1000_82574:
	case e1000_82583:
		extcnf_ctrl = er32(EXTCNF_CTRL);
		extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;

		do {
			ew32(EXTCNF_CTRL, extcnf_ctrl);
			extcnf_ctrl = er32(EXTCNF_CTRL);

			if (extcnf_ctrl & E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP)
				break;

			extcnf_ctrl |= E1000_EXTCNF_CTRL_MDIO_SW_OWNERSHIP;

			msleep(2);
			i++;
		} while (i < MDIO_OWNERSHIP_TIMEOUT);
		ret_val = e1000_get_hw_semaphore_82574(hw);
		break;
	default:
		break;
	}
	if (ret_val)
		e_dbg("Cannot acquire MDIO ownership\n");

	ctrl = er32(CTRL);

	e_dbg("Issuing a global reset to MAC\n");
	ew32(CTRL, ctrl | E1000_CTRL_RST);

	/* Must release MDIO ownership and mutex after MAC reset. */
	switch (hw->mac.type) {
	case e1000_82574:
	case e1000_82583:
		e1000_put_hw_semaphore_82574(hw);
		break;
	default:
		break;
	}

	if (hw->nvm.type == e1000_nvm_flash_hw) {
		udelay(10);
		ctrl_ext = er32(CTRL_EXT);
@@ -1431,8 +1532,10 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
			 * auto-negotiation in the TXCW register and disable
			 * forced link in the Device Control register in an
			 * attempt to auto-negotiate with our link partner.
			 * If the partner code word is null, stop forcing
			 * and restart auto negotiation.
			 */
			if (rxcw & E1000_RXCW_C) {
			if ((rxcw & E1000_RXCW_C) || !(rxcw & E1000_RXCW_CW))  {
				/* Enable autoneg, and unforce link up */
				ew32(TXCW, mac->txcw);
				ew32(CTRL, (ctrl & ~E1000_CTRL_SLU));
+1 −0
Original line number Diff line number Diff line
@@ -516,6 +516,7 @@
#define E1000_TXCW_ANE        0x80000000        /* Auto-neg enable */

/* Receive Configuration Word */
#define E1000_RXCW_CW         0x0000ffff        /* RxConfigWord mask */
#define E1000_RXCW_IV         0x08000000        /* Receive config invalid */
#define E1000_RXCW_C          0x20000000        /* Receive config */
#define E1000_RXCW_SYNCH      0x40000000        /* Receive config synch */
+45 −4
Original line number Diff line number Diff line
@@ -5465,6 +5465,36 @@ static void e1000_shutdown(struct pci_dev *pdev)
}

#ifdef CONFIG_NET_POLL_CONTROLLER

static irqreturn_t e1000_intr_msix(int irq, void *data)
{
	struct net_device *netdev = data;
	struct e1000_adapter *adapter = netdev_priv(netdev);
	int vector, msix_irq;

	if (adapter->msix_entries) {
		vector = 0;
		msix_irq = adapter->msix_entries[vector].vector;
		disable_irq(msix_irq);
		e1000_intr_msix_rx(msix_irq, netdev);
		enable_irq(msix_irq);

		vector++;
		msix_irq = adapter->msix_entries[vector].vector;
		disable_irq(msix_irq);
		e1000_intr_msix_tx(msix_irq, netdev);
		enable_irq(msix_irq);

		vector++;
		msix_irq = adapter->msix_entries[vector].vector;
		disable_irq(msix_irq);
		e1000_msix_other(msix_irq, netdev);
		enable_irq(msix_irq);
	}

	return IRQ_HANDLED;
}

/*
 * Polling 'interrupt' - used by things like netconsole to send skbs
 * without having to re-enable interrupts. It's not called while
@@ -5474,10 +5504,21 @@ static void e1000_netpoll(struct net_device *netdev)
{
	struct e1000_adapter *adapter = netdev_priv(netdev);

	switch (adapter->int_mode) {
	case E1000E_INT_MODE_MSIX:
		e1000_intr_msix(adapter->pdev->irq, netdev);
		break;
	case E1000E_INT_MODE_MSI:
		disable_irq(adapter->pdev->irq);
		e1000_intr_msi(adapter->pdev->irq, netdev);
		enable_irq(adapter->pdev->irq);
		break;
	default: /* E1000E_INT_MODE_LEGACY */
		disable_irq(adapter->pdev->irq);
		e1000_intr(adapter->pdev->irq, netdev);

		enable_irq(adapter->pdev->irq);
		break;
	}
}
#endif

+1 −1
Original line number Diff line number Diff line
################################################################################
#
# Intel(R) 82576 Virtual Function Linux driver
# Copyright(c) 2009 Intel Corporation.
# Copyright(c) 2009 - 2010 Intel Corporation.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms and conditions of the GNU General Public License,
+1 −1
Original line number Diff line number Diff line
/*******************************************************************************

  Intel(R) 82576 Virtual Function Linux driver
  Copyright(c) 1999 - 2009 Intel Corporation.
  Copyright(c) 1999 - 2010 Intel Corporation.

  This program is free software; you can redistribute it and/or modify it
  under the terms and conditions of the GNU General Public License,
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