New upstream version 18.05

Change-Id: Icd4170ddc4f63aeae5d0559490e5195b5349f9c2
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>

1 files changed, 4067 insertions, 0 deletions

diff --git a/kernel/linux/kni/ethtool/ixgbe/ixgbe_common.c b/kernel/linux/kni/ethtool/ixgbe/ixgbe_common.c
new file mode 100644
index 00000000..e9b9529a
--- /dev/null
+++ b/kernel/linux/kni/ethtool/ixgbe/ixgbe_common.c
@@ -0,0 +1,4067 @@
+// SPDX-License-Identifier: GPL-2.0
+/*******************************************************************************
+
+  Intel 10 Gigabit PCI Express Linux driver
+  Copyright(c) 1999 - 2012 Intel Corporation.
+
+  Contact Information:
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#include "ixgbe_common.h"
+#include "ixgbe_phy.h"
+#include "ixgbe_api.h"
+
+static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw);
+static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw);
+static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw);
+static s32 ixgbe_ready_eeprom(struct ixgbe_hw *hw);
+static void ixgbe_standby_eeprom(struct ixgbe_hw *hw);
+static void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data,
+					u16 count);
+static u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count);
+static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
+static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec);
+static void ixgbe_release_eeprom(struct ixgbe_hw *hw);
+
+static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr);
+static s32 ixgbe_get_san_mac_addr_offset(struct ixgbe_hw *hw,
+					 u16 *san_mac_offset);
+static s32 ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+					     u16 words, u16 *data);
+static s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+					      u16 words, u16 *data);
+static s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
+						 u16 offset);
+
+/**
+ *  ixgbe_init_ops_generic - Inits function ptrs
+ *  @hw: pointer to the hardware structure
+ *
+ *  Initialize the function pointers.
+ **/
+s32 ixgbe_init_ops_generic(struct ixgbe_hw *hw)
+{
+	struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
+	struct ixgbe_mac_info *mac = &hw->mac;
+	u32 eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+
+	/* EEPROM */
+	eeprom->ops.init_params = &ixgbe_init_eeprom_params_generic;
+	/* If EEPROM is valid (bit 8 = 1), use EERD otherwise use bit bang */
+	if (eec & IXGBE_EEC_PRES) {
+		eeprom->ops.read = &ixgbe_read_eerd_generic;
+		eeprom->ops.read_buffer = &ixgbe_read_eerd_buffer_generic;
+	} else {
+		eeprom->ops.read = &ixgbe_read_eeprom_bit_bang_generic;
+		eeprom->ops.read_buffer =
+				 &ixgbe_read_eeprom_buffer_bit_bang_generic;
+	}
+	eeprom->ops.write = &ixgbe_write_eeprom_generic;
+	eeprom->ops.write_buffer = &ixgbe_write_eeprom_buffer_bit_bang_generic;
+	eeprom->ops.validate_checksum =
+				      &ixgbe_validate_eeprom_checksum_generic;
+	eeprom->ops.update_checksum = &ixgbe_update_eeprom_checksum_generic;
+	eeprom->ops.calc_checksum = &ixgbe_calc_eeprom_checksum_generic;
+
+	/* MAC */
+	mac->ops.init_hw = &ixgbe_init_hw_generic;
+	mac->ops.reset_hw = NULL;
+	mac->ops.start_hw = &ixgbe_start_hw_generic;
+	mac->ops.clear_hw_cntrs = &ixgbe_clear_hw_cntrs_generic;
+	mac->ops.get_media_type = NULL;
+	mac->ops.get_supported_physical_layer = NULL;
+	mac->ops.enable_rx_dma = &ixgbe_enable_rx_dma_generic;
+	mac->ops.get_mac_addr = &ixgbe_get_mac_addr_generic;
+	mac->ops.stop_adapter = &ixgbe_stop_adapter_generic;
+	mac->ops.get_bus_info = &ixgbe_get_bus_info_generic;
+	mac->ops.set_lan_id = &ixgbe_set_lan_id_multi_port_pcie;
+	mac->ops.acquire_swfw_sync = &ixgbe_acquire_swfw_sync;
+	mac->ops.release_swfw_sync = &ixgbe_release_swfw_sync;
+
+	/* LEDs */
+	mac->ops.led_on = &ixgbe_led_on_generic;
+	mac->ops.led_off = &ixgbe_led_off_generic;
+	mac->ops.blink_led_start = &ixgbe_blink_led_start_generic;
+	mac->ops.blink_led_stop = &ixgbe_blink_led_stop_generic;
+
+	/* RAR, Multicast, VLAN */
+	mac->ops.set_rar = &ixgbe_set_rar_generic;
+	mac->ops.clear_rar = &ixgbe_clear_rar_generic;
+	mac->ops.insert_mac_addr = NULL;
+	mac->ops.set_vmdq = NULL;
+	mac->ops.clear_vmdq = NULL;
+	mac->ops.init_rx_addrs = &ixgbe_init_rx_addrs_generic;
+	mac->ops.update_uc_addr_list = &ixgbe_update_uc_addr_list_generic;
+	mac->ops.update_mc_addr_list = &ixgbe_update_mc_addr_list_generic;
+	mac->ops.enable_mc = &ixgbe_enable_mc_generic;
+	mac->ops.disable_mc = &ixgbe_disable_mc_generic;
+	mac->ops.clear_vfta = NULL;
+	mac->ops.set_vfta = NULL;
+	mac->ops.set_vlvf = NULL;
+	mac->ops.init_uta_tables = NULL;
+
+	/* Flow Control */
+	mac->ops.fc_enable = &ixgbe_fc_enable_generic;
+
+	/* Link */
+	mac->ops.get_link_capabilities = NULL;
+	mac->ops.setup_link = NULL;
+	mac->ops.check_link = NULL;
+
+	return 0;
+}
+
+/**
+ *  ixgbe_device_supports_autoneg_fc - Check if phy supports autoneg flow
+ *  control
+ *  @hw: pointer to hardware structure
+ *
+ *  There are several phys that do not support autoneg flow control. This
+ *  function check the device id to see if the associated phy supports
+ *  autoneg flow control.
+ **/
+static s32 ixgbe_device_supports_autoneg_fc(struct ixgbe_hw *hw)
+{
+
+	switch (hw->device_id) {
+	case IXGBE_DEV_ID_X540T:
+		return 0;
+	case IXGBE_DEV_ID_82599_T3_LOM:
+		return 0;
+	default:
+		return IXGBE_ERR_FC_NOT_SUPPORTED;
+	}
+}
+
+/**
+ *  ixgbe_setup_fc - Set up flow control
+ *  @hw: pointer to hardware structure
+ *
+ *  Called at init time to set up flow control.
+ **/
+static s32 ixgbe_setup_fc(struct ixgbe_hw *hw)
+{
+	s32 ret_val = 0;
+	u32 reg = 0, reg_bp = 0;
+	u16 reg_cu = 0;
+
+	/*
+	 * Validate the requested mode.  Strict IEEE mode does not allow
+	 * ixgbe_fc_rx_pause because it will cause us to fail at UNH.
+	 */
+	if (hw->fc.strict_ieee && hw->fc.requested_mode == ixgbe_fc_rx_pause) {
+		hw_dbg(hw, "ixgbe_fc_rx_pause not valid in strict IEEE mode\n");
+		ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
+		goto out;
+	}
+
+	/*
+	 * 10gig parts do not have a word in the EEPROM to determine the
+	 * default flow control setting, so we explicitly set it to full.
+	 */
+	if (hw->fc.requested_mode == ixgbe_fc_default)
+		hw->fc.requested_mode = ixgbe_fc_full;
+
+	/*
+	 * Set up the 1G and 10G flow control advertisement registers so the
+	 * HW will be able to do fc autoneg once the cable is plugged in.  If
+	 * we link at 10G, the 1G advertisement is harmless and vice versa.
+	 */
+	switch (hw->phy.media_type) {
+	case ixgbe_media_type_fiber:
+	case ixgbe_media_type_backplane:
+		reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
+		reg_bp = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+		break;
+	case ixgbe_media_type_copper:
+		hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_ADVT,
+				     IXGBE_MDIO_AUTO_NEG_DEV_TYPE, &reg_cu);
+		break;
+	default:
+		break;
+	}
+
+	/*
+	 * The possible values of fc.requested_mode are:
+	 * 0: Flow control is completely disabled
+	 * 1: Rx flow control is enabled (we can receive pause frames,
+	 *    but not send pause frames).
+	 * 2: Tx flow control is enabled (we can send pause frames but
+	 *    we do not support receiving pause frames).
+	 * 3: Both Rx and Tx flow control (symmetric) are enabled.
+	 * other: Invalid.
+	 */
+	switch (hw->fc.requested_mode) {
+	case ixgbe_fc_none:
+		/* Flow control completely disabled by software override. */
+		reg &= ~(IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE);
+		if (hw->phy.media_type == ixgbe_media_type_backplane)
+			reg_bp &= ~(IXGBE_AUTOC_SYM_PAUSE |
+				    IXGBE_AUTOC_ASM_PAUSE);
+		else if (hw->phy.media_type == ixgbe_media_type_copper)
+			reg_cu &= ~(IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE);
+		break;
+	case ixgbe_fc_tx_pause:
+		/*
+		 * Tx Flow control is enabled, and Rx Flow control is
+		 * disabled by software override.
+		 */
+		reg |= IXGBE_PCS1GANA_ASM_PAUSE;
+		reg &= ~IXGBE_PCS1GANA_SYM_PAUSE;
+		if (hw->phy.media_type == ixgbe_media_type_backplane) {
+			reg_bp |= IXGBE_AUTOC_ASM_PAUSE;
+			reg_bp &= ~IXGBE_AUTOC_SYM_PAUSE;
+		} else if (hw->phy.media_type == ixgbe_media_type_copper) {
+			reg_cu |= IXGBE_TAF_ASM_PAUSE;
+			reg_cu &= ~IXGBE_TAF_SYM_PAUSE;
+		}
+		break;
+	case ixgbe_fc_rx_pause:
+		/*
+		 * Rx Flow control is enabled and Tx Flow control is
+		 * disabled by software override. Since there really
+		 * isn't a way to advertise that we are capable of RX
+		 * Pause ONLY, we will advertise that we support both
+		 * symmetric and asymmetric Rx PAUSE, as such we fall
+		 * through to the fc_full statement.  Later, we will
+		 * disable the adapter's ability to send PAUSE frames.
+		 */
+	case ixgbe_fc_full:
+		/* Flow control (both Rx and Tx) is enabled by SW override. */
+		reg |= IXGBE_PCS1GANA_SYM_PAUSE | IXGBE_PCS1GANA_ASM_PAUSE;
+		if (hw->phy.media_type == ixgbe_media_type_backplane)
+			reg_bp |= IXGBE_AUTOC_SYM_PAUSE |
+				  IXGBE_AUTOC_ASM_PAUSE;
+		else if (hw->phy.media_type == ixgbe_media_type_copper)
+			reg_cu |= IXGBE_TAF_SYM_PAUSE | IXGBE_TAF_ASM_PAUSE;
+		break;
+	default:
+		hw_dbg(hw, "Flow control param set incorrectly\n");
+		ret_val = IXGBE_ERR_CONFIG;
+		goto out;
+		break;
+	}
+
+	if (hw->mac.type != ixgbe_mac_X540) {
+		/*
+		 * Enable auto-negotiation between the MAC & PHY;
+		 * the MAC will advertise clause 37 flow control.
+		 */
+		IXGBE_WRITE_REG(hw, IXGBE_PCS1GANA, reg);
+		reg = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
+
+		/* Disable AN timeout */
+		if (hw->fc.strict_ieee)
+			reg &= ~IXGBE_PCS1GLCTL_AN_1G_TIMEOUT_EN;
+
+		IXGBE_WRITE_REG(hw, IXGBE_PCS1GLCTL, reg);
+		hw_dbg(hw, "Set up FC; PCS1GLCTL = 0x%08X\n", reg);
+	}
+
+	/*
+	 * AUTOC restart handles negotiation of 1G and 10G on backplane
+	 * and copper. There is no need to set the PCS1GCTL register.
+	 *
+	 */
+	if (hw->phy.media_type == ixgbe_media_type_backplane) {
+		reg_bp |= IXGBE_AUTOC_AN_RESTART;
+		IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_bp);
+	} else if ((hw->phy.media_type == ixgbe_media_type_copper) &&
+		    (ixgbe_device_supports_autoneg_fc(hw) == 0)) {
+		hw->phy.ops.write_reg(hw, IXGBE_MDIO_AUTO_NEG_ADVT,
+				      IXGBE_MDIO_AUTO_NEG_DEV_TYPE, reg_cu);
+	}
+
+	hw_dbg(hw, "Set up FC; IXGBE_AUTOC = 0x%08X\n", reg);
+out:
+	return ret_val;
+}
+
+/**
+ *  ixgbe_start_hw_generic - Prepare hardware for Tx/Rx
+ *  @hw: pointer to hardware structure
+ *
+ *  Starts the hardware by filling the bus info structure and media type, clears
+ *  all on chip counters, initializes receive address registers, multicast
+ *  table, VLAN filter table, calls routine to set up link and flow control
+ *  settings, and leaves transmit and receive units disabled and uninitialized
+ **/
+s32 ixgbe_start_hw_generic(struct ixgbe_hw *hw)
+{
+	s32 ret_val;
+	u32 ctrl_ext;
+
+	/* Set the media type */
+	hw->phy.media_type = hw->mac.ops.get_media_type(hw);
+
+	/* PHY ops initialization must be done in reset_hw() */
+
+	/* Clear the VLAN filter table */
+	hw->mac.ops.clear_vfta(hw);
+
+	/* Clear statistics registers */
+	hw->mac.ops.clear_hw_cntrs(hw);
+
+	/* Set No Snoop Disable */
+	ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
+	ctrl_ext |= IXGBE_CTRL_EXT_NS_DIS;
+	IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
+	IXGBE_WRITE_FLUSH(hw);
+
+	/* Setup flow control */
+	ret_val = ixgbe_setup_fc(hw);
+	if (ret_val != 0)
+		goto out;
+
+	/* Clear adapter stopped flag */
+	hw->adapter_stopped = false;
+
+out:
+	return ret_val;
+}
+
+/**
+ *  ixgbe_start_hw_gen2 - Init sequence for common device family
+ *  @hw: pointer to hw structure
+ *
+ * Performs the init sequence common to the second generation
+ * of 10 GbE devices.
+ * Devices in the second generation:
+ *     82599
+ *     X540
+ **/
+s32 ixgbe_start_hw_gen2(struct ixgbe_hw *hw)
+{
+	u32 i;
+	u32 regval;
+
+	/* Clear the rate limiters */
+	for (i = 0; i < hw->mac.max_tx_queues; i++) {
+		IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, i);
+		IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, 0);
+	}
+	IXGBE_WRITE_FLUSH(hw);
+
+	/* Disable relaxed ordering */
+	for (i = 0; i < hw->mac.max_tx_queues; i++) {
+		regval = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL_82599(i));
+		regval &= ~IXGBE_DCA_TXCTRL_DESC_WRO_EN;
+		IXGBE_WRITE_REG(hw, IXGBE_DCA_TXCTRL_82599(i), regval);
+	}
+
+	for (i = 0; i < hw->mac.max_rx_queues; i++) {
+		regval = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
+		regval &= ~(IXGBE_DCA_RXCTRL_DATA_WRO_EN |
+			    IXGBE_DCA_RXCTRL_HEAD_WRO_EN);
+		IXGBE_WRITE_REG(hw, IXGBE_DCA_RXCTRL(i), regval);
+	}
+
+	return 0;
+}
+
+/**
+ *  ixgbe_init_hw_generic - Generic hardware initialization
+ *  @hw: pointer to hardware structure
+ *
+ *  Initialize the hardware by resetting the hardware, filling the bus info
+ *  structure and media type, clears all on chip counters, initializes receive
+ *  address registers, multicast table, VLAN filter table, calls routine to set
+ *  up link and flow control settings, and leaves transmit and receive units
+ *  disabled and uninitialized
+ **/
+s32 ixgbe_init_hw_generic(struct ixgbe_hw *hw)
+{
+	s32 status;
+
+	/* Reset the hardware */
+	status = hw->mac.ops.reset_hw(hw);
+
+	if (status == 0) {
+		/* Start the HW */
+		status = hw->mac.ops.start_hw(hw);
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_clear_hw_cntrs_generic - Generic clear hardware counters
+ *  @hw: pointer to hardware structure
+ *
+ *  Clears all hardware statistics counters by reading them from the hardware
+ *  Statistics counters are clear on read.
+ **/
+s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw)
+{
+	u16 i = 0;
+
+	IXGBE_READ_REG(hw, IXGBE_CRCERRS);
+	IXGBE_READ_REG(hw, IXGBE_ILLERRC);
+	IXGBE_READ_REG(hw, IXGBE_ERRBC);
+	IXGBE_READ_REG(hw, IXGBE_MSPDC);
+	for (i = 0; i < 8; i++)
+		IXGBE_READ_REG(hw, IXGBE_MPC(i));
+
+	IXGBE_READ_REG(hw, IXGBE_MLFC);
+	IXGBE_READ_REG(hw, IXGBE_MRFC);
+	IXGBE_READ_REG(hw, IXGBE_RLEC);
+	IXGBE_READ_REG(hw, IXGBE_LXONTXC);
+	IXGBE_READ_REG(hw, IXGBE_LXOFFTXC);
+	if (hw->mac.type >= ixgbe_mac_82599EB) {
+		IXGBE_READ_REG(hw, IXGBE_LXONRXCNT);
+		IXGBE_READ_REG(hw, IXGBE_LXOFFRXCNT);
+	} else {
+		IXGBE_READ_REG(hw, IXGBE_LXONRXC);
+		IXGBE_READ_REG(hw, IXGBE_LXOFFRXC);
+	}
+
+	for (i = 0; i < 8; i++) {
+		IXGBE_READ_REG(hw, IXGBE_PXONTXC(i));
+		IXGBE_READ_REG(hw, IXGBE_PXOFFTXC(i));
+		if (hw->mac.type >= ixgbe_mac_82599EB) {
+			IXGBE_READ_REG(hw, IXGBE_PXONRXCNT(i));
+			IXGBE_READ_REG(hw, IXGBE_PXOFFRXCNT(i));
+		} else {
+			IXGBE_READ_REG(hw, IXGBE_PXONRXC(i));
+			IXGBE_READ_REG(hw, IXGBE_PXOFFRXC(i));
+		}
+	}
+	if (hw->mac.type >= ixgbe_mac_82599EB)
+		for (i = 0; i < 8; i++)
+			IXGBE_READ_REG(hw, IXGBE_PXON2OFFCNT(i));
+	IXGBE_READ_REG(hw, IXGBE_PRC64);
+	IXGBE_READ_REG(hw, IXGBE_PRC127);
+	IXGBE_READ_REG(hw, IXGBE_PRC255);
+	IXGBE_READ_REG(hw, IXGBE_PRC511);
+	IXGBE_READ_REG(hw, IXGBE_PRC1023);
+	IXGBE_READ_REG(hw, IXGBE_PRC1522);
+	IXGBE_READ_REG(hw, IXGBE_GPRC);
+	IXGBE_READ_REG(hw, IXGBE_BPRC);
+	IXGBE_READ_REG(hw, IXGBE_MPRC);
+	IXGBE_READ_REG(hw, IXGBE_GPTC);
+	IXGBE_READ_REG(hw, IXGBE_GORCL);
+	IXGBE_READ_REG(hw, IXGBE_GORCH);
+	IXGBE_READ_REG(hw, IXGBE_GOTCL);
+	IXGBE_READ_REG(hw, IXGBE_GOTCH);
+	if (hw->mac.type == ixgbe_mac_82598EB)
+		for (i = 0; i < 8; i++)
+			IXGBE_READ_REG(hw, IXGBE_RNBC(i));
+	IXGBE_READ_REG(hw, IXGBE_RUC);
+	IXGBE_READ_REG(hw, IXGBE_RFC);
+	IXGBE_READ_REG(hw, IXGBE_ROC);
+	IXGBE_READ_REG(hw, IXGBE_RJC);
+	IXGBE_READ_REG(hw, IXGBE_MNGPRC);
+	IXGBE_READ_REG(hw, IXGBE_MNGPDC);
+	IXGBE_READ_REG(hw, IXGBE_MNGPTC);
+	IXGBE_READ_REG(hw, IXGBE_TORL);
+	IXGBE_READ_REG(hw, IXGBE_TORH);
+	IXGBE_READ_REG(hw, IXGBE_TPR);
+	IXGBE_READ_REG(hw, IXGBE_TPT);
+	IXGBE_READ_REG(hw, IXGBE_PTC64);
+	IXGBE_READ_REG(hw, IXGBE_PTC127);
+	IXGBE_READ_REG(hw, IXGBE_PTC255);
+	IXGBE_READ_REG(hw, IXGBE_PTC511);
+	IXGBE_READ_REG(hw, IXGBE_PTC1023);
+	IXGBE_READ_REG(hw, IXGBE_PTC1522);
+	IXGBE_READ_REG(hw, IXGBE_MPTC);
+	IXGBE_READ_REG(hw, IXGBE_BPTC);
+	for (i = 0; i < 16; i++) {
+		IXGBE_READ_REG(hw, IXGBE_QPRC(i));
+		IXGBE_READ_REG(hw, IXGBE_QPTC(i));
+		if (hw->mac.type >= ixgbe_mac_82599EB) {
+			IXGBE_READ_REG(hw, IXGBE_QBRC_L(i));
+			IXGBE_READ_REG(hw, IXGBE_QBRC_H(i));
+			IXGBE_READ_REG(hw, IXGBE_QBTC_L(i));
+			IXGBE_READ_REG(hw, IXGBE_QBTC_H(i));
+			IXGBE_READ_REG(hw, IXGBE_QPRDC(i));
+		} else {
+			IXGBE_READ_REG(hw, IXGBE_QBRC(i));
+			IXGBE_READ_REG(hw, IXGBE_QBTC(i));
+		}
+	}
+
+	if (hw->mac.type == ixgbe_mac_X540) {
+		if (hw->phy.id == 0)
+			ixgbe_identify_phy(hw);
+		hw->phy.ops.read_reg(hw, IXGBE_PCRC8ECL,
+				     IXGBE_MDIO_PCS_DEV_TYPE, &i);
+		hw->phy.ops.read_reg(hw, IXGBE_PCRC8ECH,
+				     IXGBE_MDIO_PCS_DEV_TYPE, &i);
+		hw->phy.ops.read_reg(hw, IXGBE_LDPCECL,
+				     IXGBE_MDIO_PCS_DEV_TYPE, &i);
+		hw->phy.ops.read_reg(hw, IXGBE_LDPCECH,
+				     IXGBE_MDIO_PCS_DEV_TYPE, &i);
+	}
+
+	return 0;
+}
+
+/**
+ *  ixgbe_read_pba_string_generic - Reads part number string from EEPROM
+ *  @hw: pointer to hardware structure
+ *  @pba_num: stores the part number string from the EEPROM
+ *  @pba_num_size: part number string buffer length
+ *
+ *  Reads the part number string from the EEPROM.
+ **/
+s32 ixgbe_read_pba_string_generic(struct ixgbe_hw *hw, u8 *pba_num,
+				  u32 pba_num_size)
+{
+	s32 ret_val;
+	u16 data;
+	u16 pba_ptr;
+	u16 offset;
+	u16 length;
+
+	if (pba_num == NULL) {
+		hw_dbg(hw, "PBA string buffer was null\n");
+		return IXGBE_ERR_INVALID_ARGUMENT;
+	}
+
+	ret_val = hw->eeprom.ops.read(hw, IXGBE_PBANUM0_PTR, &data);
+	if (ret_val) {
+		hw_dbg(hw, "NVM Read Error\n");
+		return ret_val;
+	}
+
+	ret_val = hw->eeprom.ops.read(hw, IXGBE_PBANUM1_PTR, &pba_ptr);
+	if (ret_val) {
+		hw_dbg(hw, "NVM Read Error\n");
+		return ret_val;
+	}
+
+	/*
+	 * if data is not ptr guard the PBA must be in legacy format which
+	 * means pba_ptr is actually our second data word for the PBA number
+	 * and we can decode it into an ascii string
+	 */
+	if (data != IXGBE_PBANUM_PTR_GUARD) {
+		hw_dbg(hw, "NVM PBA number is not stored as string\n");
+
+		/* we will need 11 characters to store the PBA */
+		if (pba_num_size < 11) {
+			hw_dbg(hw, "PBA string buffer too small\n");
+			return IXGBE_ERR_NO_SPACE;
+		}
+
+		/* extract hex string from data and pba_ptr */
+		pba_num[0] = (data >> 12) & 0xF;
+		pba_num[1] = (data >> 8) & 0xF;
+		pba_num[2] = (data >> 4) & 0xF;
+		pba_num[3] = data & 0xF;
+		pba_num[4] = (pba_ptr >> 12) & 0xF;
+		pba_num[5] = (pba_ptr >> 8) & 0xF;
+		pba_num[6] = '-';
+		pba_num[7] = 0;
+		pba_num[8] = (pba_ptr >> 4) & 0xF;
+		pba_num[9] = pba_ptr & 0xF;
+
+		/* put a null character on the end of our string */
+		pba_num[10] = '\0';
+
+		/* switch all the data but the '-' to hex char */
+		for (offset = 0; offset < 10; offset++) {
+			if (pba_num[offset] < 0xA)
+				pba_num[offset] += '0';
+			else if (pba_num[offset] < 0x10)
+				pba_num[offset] += 'A' - 0xA;
+		}
+
+		return 0;
+	}
+
+	ret_val = hw->eeprom.ops.read(hw, pba_ptr, &length);
+	if (ret_val) {
+		hw_dbg(hw, "NVM Read Error\n");
+		return ret_val;
+	}
+
+	if (length == 0xFFFF || length == 0) {
+		hw_dbg(hw, "NVM PBA number section invalid length\n");
+		return IXGBE_ERR_PBA_SECTION;
+	}
+
+	/* check if pba_num buffer is big enough */
+	if (pba_num_size  < (((u32)length * 2) - 1)) {
+		hw_dbg(hw, "PBA string buffer too small\n");
+		return IXGBE_ERR_NO_SPACE;
+	}
+
+	/* trim pba length from start of string */
+	pba_ptr++;
+	length--;
+
+	for (offset = 0; offset < length; offset++) {
+		ret_val = hw->eeprom.ops.read(hw, pba_ptr + offset, &data);
+		if (ret_val) {
+			hw_dbg(hw, "NVM Read Error\n");
+			return ret_val;
+		}
+		pba_num[offset * 2] = (u8)(data >> 8);
+		pba_num[(offset * 2) + 1] = (u8)(data & 0xFF);
+	}
+	pba_num[offset * 2] = '\0';
+
+	return 0;
+}
+
+/**
+ *  ixgbe_get_mac_addr_generic - Generic get MAC address
+ *  @hw: pointer to hardware structure
+ *  @mac_addr: Adapter MAC address
+ *
+ *  Reads the adapter's MAC address from first Receive Address Register (RAR0)
+ *  A reset of the adapter must be performed prior to calling this function
+ *  in order for the MAC address to have been loaded from the EEPROM into RAR0
+ **/
+s32 ixgbe_get_mac_addr_generic(struct ixgbe_hw *hw, u8 *mac_addr)
+{
+	u32 rar_high;
+	u32 rar_low;
+	u16 i;
+
+	rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(0));
+	rar_low = IXGBE_READ_REG(hw, IXGBE_RAL(0));
+
+	for (i = 0; i < 4; i++)
+		mac_addr[i] = (u8)(rar_low >> (i*8));
+
+	for (i = 0; i < 2; i++)
+		mac_addr[i+4] = (u8)(rar_high >> (i*8));
+
+	return 0;
+}
+
+/**
+ *  ixgbe_get_bus_info_generic - Generic set PCI bus info
+ *  @hw: pointer to hardware structure
+ *
+ *  Sets the PCI bus info (speed, width, type) within the ixgbe_hw structure
+ **/
+s32 ixgbe_get_bus_info_generic(struct ixgbe_hw *hw)
+{
+	struct ixgbe_mac_info *mac = &hw->mac;
+	u16 link_status;
+
+	hw->bus.type = ixgbe_bus_type_pci_express;
+
+	/* Get the negotiated link width and speed from PCI config space */
+	link_status = IXGBE_READ_PCIE_WORD(hw, IXGBE_PCI_LINK_STATUS);
+
+	switch (link_status & IXGBE_PCI_LINK_WIDTH) {
+	case IXGBE_PCI_LINK_WIDTH_1:
+		hw->bus.width = ixgbe_bus_width_pcie_x1;
+		break;
+	case IXGBE_PCI_LINK_WIDTH_2:
+		hw->bus.width = ixgbe_bus_width_pcie_x2;
+		break;
+	case IXGBE_PCI_LINK_WIDTH_4:
+		hw->bus.width = ixgbe_bus_width_pcie_x4;
+		break;
+	case IXGBE_PCI_LINK_WIDTH_8:
+		hw->bus.width = ixgbe_bus_width_pcie_x8;
+		break;
+	default:
+		hw->bus.width = ixgbe_bus_width_unknown;
+		break;
+	}
+
+	switch (link_status & IXGBE_PCI_LINK_SPEED) {
+	case IXGBE_PCI_LINK_SPEED_2500:
+		hw->bus.speed = ixgbe_bus_speed_2500;
+		break;
+	case IXGBE_PCI_LINK_SPEED_5000:
+		hw->bus.speed = ixgbe_bus_speed_5000;
+		break;
+	case IXGBE_PCI_LINK_SPEED_8000:
+		hw->bus.speed = ixgbe_bus_speed_8000;
+		break;
+	default:
+		hw->bus.speed = ixgbe_bus_speed_unknown;
+		break;
+	}
+
+	mac->ops.set_lan_id(hw);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_set_lan_id_multi_port_pcie - Set LAN id for PCIe multiple port devices
+ *  @hw: pointer to the HW structure
+ *
+ *  Determines the LAN function id by reading memory-mapped registers
+ *  and swaps the port value if requested.
+ **/
+void ixgbe_set_lan_id_multi_port_pcie(struct ixgbe_hw *hw)
+{
+	struct ixgbe_bus_info *bus = &hw->bus;
+	u32 reg;
+
+	reg = IXGBE_READ_REG(hw, IXGBE_STATUS);
+	bus->func = (reg & IXGBE_STATUS_LAN_ID) >> IXGBE_STATUS_LAN_ID_SHIFT;
+	bus->lan_id = bus->func;
+
+	/* check for a port swap */
+	reg = IXGBE_READ_REG(hw, IXGBE_FACTPS);
+	if (reg & IXGBE_FACTPS_LFS)
+		bus->func ^= 0x1;
+}
+
+/**
+ *  ixgbe_stop_adapter_generic - Generic stop Tx/Rx units
+ *  @hw: pointer to hardware structure
+ *
+ *  Sets the adapter_stopped flag within ixgbe_hw struct. Clears interrupts,
+ *  disables transmit and receive units. The adapter_stopped flag is used by
+ *  the shared code and drivers to determine if the adapter is in a stopped
+ *  state and should not touch the hardware.
+ **/
+s32 ixgbe_stop_adapter_generic(struct ixgbe_hw *hw)
+{
+	u32 reg_val;
+	u16 i;
+
+	/*
+	 * Set the adapter_stopped flag so other driver functions stop touching
+	 * the hardware
+	 */
+	hw->adapter_stopped = true;
+
+	/* Disable the receive unit */
+	IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, 0);
+
+	/* Clear interrupt mask to stop interrupts from being generated */
+	IXGBE_WRITE_REG(hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK);
+
+	/* Clear any pending interrupts, flush previous writes */
+	IXGBE_READ_REG(hw, IXGBE_EICR);
+
+	/* Disable the transmit unit.  Each queue must be disabled. */
+	for (i = 0; i < hw->mac.max_tx_queues; i++)
+		IXGBE_WRITE_REG(hw, IXGBE_TXDCTL(i), IXGBE_TXDCTL_SWFLSH);
+
+	/* Disable the receive unit by stopping each queue */
+	for (i = 0; i < hw->mac.max_rx_queues; i++) {
+		reg_val = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
+		reg_val &= ~IXGBE_RXDCTL_ENABLE;
+		reg_val |= IXGBE_RXDCTL_SWFLSH;
+		IXGBE_WRITE_REG(hw, IXGBE_RXDCTL(i), reg_val);
+	}
+
+	/* flush all queues disables */
+	IXGBE_WRITE_FLUSH(hw);
+	msleep(2);
+
+	/*
+	 * Prevent the PCI-E bus from from hanging by disabling PCI-E master
+	 * access and verify no pending requests
+	 */
+	return ixgbe_disable_pcie_master(hw);
+}
+
+/**
+ *  ixgbe_led_on_generic - Turns on the software controllable LEDs.
+ *  @hw: pointer to hardware structure
+ *  @index: led number to turn on
+ **/
+s32 ixgbe_led_on_generic(struct ixgbe_hw *hw, u32 index)
+{
+	u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+	/* To turn on the LED, set mode to ON. */
+	led_reg &= ~IXGBE_LED_MODE_MASK(index);
+	led_reg |= IXGBE_LED_ON << IXGBE_LED_MODE_SHIFT(index);
+	IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
+	IXGBE_WRITE_FLUSH(hw);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_led_off_generic - Turns off the software controllable LEDs.
+ *  @hw: pointer to hardware structure
+ *  @index: led number to turn off
+ **/
+s32 ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index)
+{
+	u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+	/* To turn off the LED, set mode to OFF. */
+	led_reg &= ~IXGBE_LED_MODE_MASK(index);
+	led_reg |= IXGBE_LED_OFF << IXGBE_LED_MODE_SHIFT(index);
+	IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
+	IXGBE_WRITE_FLUSH(hw);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_init_eeprom_params_generic - Initialize EEPROM params
+ *  @hw: pointer to hardware structure
+ *
+ *  Initializes the EEPROM parameters ixgbe_eeprom_info within the
+ *  ixgbe_hw struct in order to set up EEPROM access.
+ **/
+s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw)
+{
+	struct ixgbe_eeprom_info *eeprom = &hw->eeprom;
+	u32 eec;
+	u16 eeprom_size;
+
+	if (eeprom->type == ixgbe_eeprom_uninitialized) {
+		eeprom->type = ixgbe_eeprom_none;
+		/* Set default semaphore delay to 10ms which is a well
+		 * tested value */
+		eeprom->semaphore_delay = 10;
+		/* Clear EEPROM page size, it will be initialized as needed */
+		eeprom->word_page_size = 0;
+
+		/*
+		 * Check for EEPROM present first.
+		 * If not present leave as none
+		 */
+		eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+		if (eec & IXGBE_EEC_PRES) {
+			eeprom->type = ixgbe_eeprom_spi;
+
+			/*
+			 * SPI EEPROM is assumed here.  This code would need to
+			 * change if a future EEPROM is not SPI.
+			 */
+			eeprom_size = (u16)((eec & IXGBE_EEC_SIZE) >>
+					    IXGBE_EEC_SIZE_SHIFT);
+			eeprom->word_size = 1 << (eeprom_size +
+					     IXGBE_EEPROM_WORD_SIZE_SHIFT);
+		}
+
+		if (eec & IXGBE_EEC_ADDR_SIZE)
+			eeprom->address_bits = 16;
+		else
+			eeprom->address_bits = 8;
+		hw_dbg(hw, "Eeprom params: type = %d, size = %d, address bits: "
+			  "%d\n", eeprom->type, eeprom->word_size,
+			  eeprom->address_bits);
+	}
+
+	return 0;
+}
+
+/**
+ *  ixgbe_write_eeprom_buffer_bit_bang_generic - Write EEPROM using bit-bang
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to write
+ *  @words: number of word(s)
+ *  @data: 16 bit word(s) to write to EEPROM
+ *
+ *  Reads 16 bit word(s) from EEPROM through bit-bang method
+ **/
+s32 ixgbe_write_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+					       u16 words, u16 *data)
+{
+	s32 status = 0;
+	u16 i, count;
+
+	hw->eeprom.ops.init_params(hw);
+
+	if (words == 0) {
+		status = IXGBE_ERR_INVALID_ARGUMENT;
+		goto out;
+	}
+
+	if (offset + words > hw->eeprom.word_size) {
+		status = IXGBE_ERR_EEPROM;
+		goto out;
+	}
+
+	/*
+	 * The EEPROM page size cannot be queried from the chip. We do lazy
+	 * initialization. It is worth to do that when we write large buffer.
+	 */
+	if ((hw->eeprom.word_page_size == 0) &&
+	    (words > IXGBE_EEPROM_PAGE_SIZE_MAX))
+		ixgbe_detect_eeprom_page_size_generic(hw, offset);
+
+	/*
+	 * We cannot hold synchronization semaphores for too long
+	 * to avoid other entity starvation. However it is more efficient
+	 * to read in bursts than synchronizing access for each word.
+	 */
+	for (i = 0; i < words; i += IXGBE_EEPROM_RD_BUFFER_MAX_COUNT) {
+		count = (words - i) / IXGBE_EEPROM_RD_BUFFER_MAX_COUNT > 0 ?
+			IXGBE_EEPROM_RD_BUFFER_MAX_COUNT : (words - i);
+		status = ixgbe_write_eeprom_buffer_bit_bang(hw, offset + i,
+							    count, &data[i]);
+
+		if (status != 0)
+			break;
+	}
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_write_eeprom_buffer_bit_bang - Writes 16 bit word(s) to EEPROM
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be written to
+ *  @words: number of word(s)
+ *  @data: 16 bit word(s) to be written to the EEPROM
+ *
+ *  If ixgbe_eeprom_update_checksum is not called after this function, the
+ *  EEPROM will most likely contain an invalid checksum.
+ **/
+static s32 ixgbe_write_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+					      u16 words, u16 *data)
+{
+	s32 status;
+	u16 word;
+	u16 page_size;
+	u16 i;
+	u8 write_opcode = IXGBE_EEPROM_WRITE_OPCODE_SPI;
+
+	/* Prepare the EEPROM for writing  */
+	status = ixgbe_acquire_eeprom(hw);
+
+	if (status == 0) {
+		if (ixgbe_ready_eeprom(hw) != 0) {
+			ixgbe_release_eeprom(hw);
+			status = IXGBE_ERR_EEPROM;
+		}
+	}
+
+	if (status == 0) {
+		for (i = 0; i < words; i++) {
+			ixgbe_standby_eeprom(hw);
+
+			/*  Send the WRITE ENABLE command (8 bit opcode )  */
+			ixgbe_shift_out_eeprom_bits(hw,
+						   IXGBE_EEPROM_WREN_OPCODE_SPI,
+						   IXGBE_EEPROM_OPCODE_BITS);
+
+			ixgbe_standby_eeprom(hw);
+
+			/*
+			 * Some SPI eeproms use the 8th address bit embedded
+			 * in the opcode
+			 */
+			if ((hw->eeprom.address_bits == 8) &&
+			    ((offset + i) >= 128))
+				write_opcode |= IXGBE_EEPROM_A8_OPCODE_SPI;
+
+			/* Send the Write command (8-bit opcode + addr) */
+			ixgbe_shift_out_eeprom_bits(hw, write_opcode,
+						    IXGBE_EEPROM_OPCODE_BITS);
+			ixgbe_shift_out_eeprom_bits(hw, (u16)((offset + i) * 2),
+						    hw->eeprom.address_bits);
+
+			page_size = hw->eeprom.word_page_size;
+
+			/* Send the data in burst via SPI*/
+			do {
+				word = data[i];
+				word = (word >> 8) | (word << 8);
+				ixgbe_shift_out_eeprom_bits(hw, word, 16);
+
+				if (page_size == 0)
+					break;
+
+				/* do not wrap around page */
+				if (((offset + i) & (page_size - 1)) ==
+				    (page_size - 1))
+					break;
+			} while (++i < words);
+
+			ixgbe_standby_eeprom(hw);
+			msleep(10);
+		}
+		/* Done with writing - release the EEPROM */
+		ixgbe_release_eeprom(hw);
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_write_eeprom_generic - Writes 16 bit value to EEPROM
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be written to
+ *  @data: 16 bit word to be written to the EEPROM
+ *
+ *  If ixgbe_eeprom_update_checksum is not called after this function, the
+ *  EEPROM will most likely contain an invalid checksum.
+ **/
+s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
+{
+	s32 status;
+
+	hw->eeprom.ops.init_params(hw);
+
+	if (offset >= hw->eeprom.word_size) {
+		status = IXGBE_ERR_EEPROM;
+		goto out;
+	}
+
+	status = ixgbe_write_eeprom_buffer_bit_bang(hw, offset, 1, &data);
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_read_eeprom_buffer_bit_bang_generic - Read EEPROM using bit-bang
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be read
+ *  @data: read 16 bit words(s) from EEPROM
+ *  @words: number of word(s)
+ *
+ *  Reads 16 bit word(s) from EEPROM through bit-bang method
+ **/
+s32 ixgbe_read_eeprom_buffer_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+					      u16 words, u16 *data)
+{
+	s32 status = 0;
+	u16 i, count;
+
+	hw->eeprom.ops.init_params(hw);
+
+	if (words == 0) {
+		status = IXGBE_ERR_INVALID_ARGUMENT;
+		goto out;
+	}
+
+	if (offset + words > hw->eeprom.word_size) {
+		status = IXGBE_ERR_EEPROM;
+		goto out;
+	}
+
+	/*
+	 * We cannot hold synchronization semaphores for too long
+	 * to avoid other entity starvation. However it is more efficient
+	 * to read in bursts than synchronizing access for each word.
+	 */
+	for (i = 0; i < words; i += IXGBE_EEPROM_RD_BUFFER_MAX_COUNT) {
+		count = (words - i) / IXGBE_EEPROM_RD_BUFFER_MAX_COUNT > 0 ?
+			IXGBE_EEPROM_RD_BUFFER_MAX_COUNT : (words - i);
+
+		status = ixgbe_read_eeprom_buffer_bit_bang(hw, offset + i,
+							   count, &data[i]);
+
+		if (status != 0)
+			break;
+	}
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_read_eeprom_buffer_bit_bang - Read EEPROM using bit-bang
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be read
+ *  @words: number of word(s)
+ *  @data: read 16 bit word(s) from EEPROM
+ *
+ *  Reads 16 bit word(s) from EEPROM through bit-bang method
+ **/
+static s32 ixgbe_read_eeprom_buffer_bit_bang(struct ixgbe_hw *hw, u16 offset,
+					     u16 words, u16 *data)
+{
+	s32 status;
+	u16 word_in;
+	u8 read_opcode = IXGBE_EEPROM_READ_OPCODE_SPI;
+	u16 i;
+
+	/* Prepare the EEPROM for reading  */
+	status = ixgbe_acquire_eeprom(hw);
+
+	if (status == 0) {
+		if (ixgbe_ready_eeprom(hw) != 0) {
+			ixgbe_release_eeprom(hw);
+			status = IXGBE_ERR_EEPROM;
+		}
+	}
+
+	if (status == 0) {
+		for (i = 0; i < words; i++) {
+			ixgbe_standby_eeprom(hw);
+			/*
+			 * Some SPI eeproms use the 8th address bit embedded
+			 * in the opcode
+			 */
+			if ((hw->eeprom.address_bits == 8) &&
+			    ((offset + i) >= 128))
+				read_opcode |= IXGBE_EEPROM_A8_OPCODE_SPI;
+
+			/* Send the READ command (opcode + addr) */
+			ixgbe_shift_out_eeprom_bits(hw, read_opcode,
+						    IXGBE_EEPROM_OPCODE_BITS);
+			ixgbe_shift_out_eeprom_bits(hw, (u16)((offset + i) * 2),
+						    hw->eeprom.address_bits);
+
+			/* Read the data. */
+			word_in = ixgbe_shift_in_eeprom_bits(hw, 16);
+			data[i] = (word_in >> 8) | (word_in << 8);
+		}
+
+		/* End this read operation */
+		ixgbe_release_eeprom(hw);
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_read_eeprom_bit_bang_generic - Read EEPROM word using bit-bang
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be read
+ *  @data: read 16 bit value from EEPROM
+ *
+ *  Reads 16 bit value from EEPROM through bit-bang method
+ **/
+s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
+				       u16 *data)
+{
+	s32 status;
+
+	hw->eeprom.ops.init_params(hw);
+
+	if (offset >= hw->eeprom.word_size) {
+		status = IXGBE_ERR_EEPROM;
+		goto out;
+	}
+
+	status = ixgbe_read_eeprom_buffer_bit_bang(hw, offset, 1, data);
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_read_eerd_buffer_generic - Read EEPROM word(s) using EERD
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of word in the EEPROM to read
+ *  @words: number of word(s)
+ *  @data: 16 bit word(s) from the EEPROM
+ *
+ *  Reads a 16 bit word(s) from the EEPROM using the EERD register.
+ **/
+s32 ixgbe_read_eerd_buffer_generic(struct ixgbe_hw *hw, u16 offset,
+				   u16 words, u16 *data)
+{
+	u32 eerd;
+	s32 status = 0;
+	u32 i;
+
+	hw->eeprom.ops.init_params(hw);
+
+	if (words == 0) {
+		status = IXGBE_ERR_INVALID_ARGUMENT;
+		goto out;
+	}
+
+	if (offset >= hw->eeprom.word_size) {
+		status = IXGBE_ERR_EEPROM;
+		goto out;
+	}
+
+	for (i = 0; i < words; i++) {
+		eerd = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) +
+		       IXGBE_EEPROM_RW_REG_START;
+
+		IXGBE_WRITE_REG(hw, IXGBE_EERD, eerd);
+		status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_READ);
+
+		if (status == 0) {
+			data[i] = (IXGBE_READ_REG(hw, IXGBE_EERD) >>
+				   IXGBE_EEPROM_RW_REG_DATA);
+		} else {
+			hw_dbg(hw, "Eeprom read timed out\n");
+			goto out;
+		}
+	}
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_detect_eeprom_page_size_generic - Detect EEPROM page size
+ *  @hw: pointer to hardware structure
+ *  @offset: offset within the EEPROM to be used as a scratch pad
+ *
+ *  Discover EEPROM page size by writing marching data at given offset.
+ *  This function is called only when we are writing a new large buffer
+ *  at given offset so the data would be overwritten anyway.
+ **/
+static s32 ixgbe_detect_eeprom_page_size_generic(struct ixgbe_hw *hw,
+						 u16 offset)
+{
+	u16 data[IXGBE_EEPROM_PAGE_SIZE_MAX];
+	s32 status = 0;
+	u16 i;
+
+	for (i = 0; i < IXGBE_EEPROM_PAGE_SIZE_MAX; i++)
+		data[i] = i;
+
+	hw->eeprom.word_page_size = IXGBE_EEPROM_PAGE_SIZE_MAX;
+	status = ixgbe_write_eeprom_buffer_bit_bang(hw, offset,
+					     IXGBE_EEPROM_PAGE_SIZE_MAX, data);
+	hw->eeprom.word_page_size = 0;
+	if (status != 0)
+		goto out;
+
+	status = ixgbe_read_eeprom_buffer_bit_bang(hw, offset, 1, data);
+	if (status != 0)
+		goto out;
+
+	/*
+	 * When writing in burst more than the actual page size
+	 * EEPROM address wraps around current page.
+	 */
+	hw->eeprom.word_page_size = IXGBE_EEPROM_PAGE_SIZE_MAX - data[0];
+
+	hw_dbg(hw, "Detected EEPROM page size = %d words.",
+		  hw->eeprom.word_page_size);
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_read_eerd_generic - Read EEPROM word using EERD
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to read
+ *  @data: word read from the EEPROM
+ *
+ *  Reads a 16 bit word from the EEPROM using the EERD register.
+ **/
+s32 ixgbe_read_eerd_generic(struct ixgbe_hw *hw, u16 offset, u16 *data)
+{
+	return ixgbe_read_eerd_buffer_generic(hw, offset, 1, data);
+}
+
+/**
+ *  ixgbe_write_eewr_buffer_generic - Write EEPROM word(s) using EEWR
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to write
+ *  @words: number of word(s)
+ *  @data: word(s) write to the EEPROM
+ *
+ *  Write a 16 bit word(s) to the EEPROM using the EEWR register.
+ **/
+s32 ixgbe_write_eewr_buffer_generic(struct ixgbe_hw *hw, u16 offset,
+				    u16 words, u16 *data)
+{
+	u32 eewr;
+	s32 status = 0;
+	u16 i;
+
+	hw->eeprom.ops.init_params(hw);
+
+	if (words == 0) {
+		status = IXGBE_ERR_INVALID_ARGUMENT;
+		goto out;
+	}
+
+	if (offset >= hw->eeprom.word_size) {
+		status = IXGBE_ERR_EEPROM;
+		goto out;
+	}
+
+	for (i = 0; i < words; i++) {
+		eewr = ((offset + i) << IXGBE_EEPROM_RW_ADDR_SHIFT) |
+			(data[i] << IXGBE_EEPROM_RW_REG_DATA) |
+			IXGBE_EEPROM_RW_REG_START;
+
+		status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE);
+		if (status != 0) {
+			hw_dbg(hw, "Eeprom write EEWR timed out\n");
+			goto out;
+		}
+
+		IXGBE_WRITE_REG(hw, IXGBE_EEWR, eewr);
+
+		status = ixgbe_poll_eerd_eewr_done(hw, IXGBE_NVM_POLL_WRITE);
+		if (status != 0) {
+			hw_dbg(hw, "Eeprom write EEWR timed out\n");
+			goto out;
+		}
+	}
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_write_eewr_generic - Write EEPROM word using EEWR
+ *  @hw: pointer to hardware structure
+ *  @offset: offset of  word in the EEPROM to write
+ *  @data: word write to the EEPROM
+ *
+ *  Write a 16 bit word to the EEPROM using the EEWR register.
+ **/
+s32 ixgbe_write_eewr_generic(struct ixgbe_hw *hw, u16 offset, u16 data)
+{
+	return ixgbe_write_eewr_buffer_generic(hw, offset, 1, &data);
+}
+
+/**
+ *  ixgbe_poll_eerd_eewr_done - Poll EERD read or EEWR write status
+ *  @hw: pointer to hardware structure
+ *  @ee_reg: EEPROM flag for polling
+ *
+ *  Polls the status bit (bit 1) of the EERD or EEWR to determine when the
+ *  read or write is done respectively.
+ **/
+s32 ixgbe_poll_eerd_eewr_done(struct ixgbe_hw *hw, u32 ee_reg)
+{
+	u32 i;
+	u32 reg;
+	s32 status = IXGBE_ERR_EEPROM;
+
+	for (i = 0; i < IXGBE_EERD_EEWR_ATTEMPTS; i++) {
+		if (ee_reg == IXGBE_NVM_POLL_READ)
+			reg = IXGBE_READ_REG(hw, IXGBE_EERD);
+		else
+			reg = IXGBE_READ_REG(hw, IXGBE_EEWR);
+
+		if (reg & IXGBE_EEPROM_RW_REG_DONE) {
+			status = 0;
+			break;
+		}
+		udelay(5);
+	}
+	return status;
+}
+
+/**
+ *  ixgbe_acquire_eeprom - Acquire EEPROM using bit-bang
+ *  @hw: pointer to hardware structure
+ *
+ *  Prepares EEPROM for access using bit-bang method. This function should
+ *  be called before issuing a command to the EEPROM.
+ **/
+static s32 ixgbe_acquire_eeprom(struct ixgbe_hw *hw)
+{
+	s32 status = 0;
+	u32 eec;
+	u32 i;
+
+	if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_EEP_SM)
+	    != 0)
+		status = IXGBE_ERR_SWFW_SYNC;
+
+	if (status == 0) {
+		eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+
+		/* Request EEPROM Access */
+		eec |= IXGBE_EEC_REQ;
+		IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
+
+		for (i = 0; i < IXGBE_EEPROM_GRANT_ATTEMPTS; i++) {
+			eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+			if (eec & IXGBE_EEC_GNT)
+				break;
+			udelay(5);
+		}
+
+		/* Release if grant not acquired */
+		if (!(eec & IXGBE_EEC_GNT)) {
+			eec &= ~IXGBE_EEC_REQ;
+			IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
+			hw_dbg(hw, "Could not acquire EEPROM grant\n");
+
+			hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
+			status = IXGBE_ERR_EEPROM;
+		}
+
+		/* Setup EEPROM for Read/Write */
+		if (status == 0) {
+			/* Clear CS and SK */
+			eec &= ~(IXGBE_EEC_CS | IXGBE_EEC_SK);
+			IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
+			IXGBE_WRITE_FLUSH(hw);
+			udelay(1);
+		}
+	}
+	return status;
+}
+
+/**
+ *  ixgbe_get_eeprom_semaphore - Get hardware semaphore
+ *  @hw: pointer to hardware structure
+ *
+ *  Sets the hardware semaphores so EEPROM access can occur for bit-bang method
+ **/
+static s32 ixgbe_get_eeprom_semaphore(struct ixgbe_hw *hw)
+{
+	s32 status = IXGBE_ERR_EEPROM;
+	u32 timeout = 2000;
+	u32 i;
+	u32 swsm;
+
+	/* Get SMBI software semaphore between device drivers first */
+	for (i = 0; i < timeout; i++) {
+		/*
+		 * If the SMBI bit is 0 when we read it, then the bit will be
+		 * set and we have the semaphore
+		 */
+		swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
+		if (!(swsm & IXGBE_SWSM_SMBI)) {
+			status = 0;
+			break;
+		}
+		udelay(50);
+	}
+
+	if (i == timeout) {
+		hw_dbg(hw, "Driver can't access the Eeprom - SMBI Semaphore "
+			 "not granted.\n");
+		/*
+		 * this release is particularly important because our attempts
+		 * above to get the semaphore may have succeeded, and if there
+		 * was a timeout, we should unconditionally clear the semaphore
+		 * bits to free the driver to make progress
+		 */
+		ixgbe_release_eeprom_semaphore(hw);
+
+		udelay(50);
+		/*
+		 * one last try
+		 * If the SMBI bit is 0 when we read it, then the bit will be
+		 * set and we have the semaphore
+		 */
+		swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
+		if (!(swsm & IXGBE_SWSM_SMBI))
+			status = 0;
+	}
+
+	/* Now get the semaphore between SW/FW through the SWESMBI bit */
+	if (status == 0) {
+		for (i = 0; i < timeout; i++) {
+			swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
+
+			/* Set the SW EEPROM semaphore bit to request access */
+			swsm |= IXGBE_SWSM_SWESMBI;
+			IXGBE_WRITE_REG(hw, IXGBE_SWSM, swsm);
+
+			/*
+			 * If we set the bit successfully then we got the
+			 * semaphore.
+			 */
+			swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
+			if (swsm & IXGBE_SWSM_SWESMBI)
+				break;
+
+			udelay(50);
+		}
+
+		/*
+		 * Release semaphores and return error if SW EEPROM semaphore
+		 * was not granted because we don't have access to the EEPROM
+		 */
+		if (i >= timeout) {
+			hw_dbg(hw, "SWESMBI Software EEPROM semaphore "
+				 "not granted.\n");
+			ixgbe_release_eeprom_semaphore(hw);
+			status = IXGBE_ERR_EEPROM;
+		}
+	} else {
+		hw_dbg(hw, "Software semaphore SMBI between device drivers "
+			 "not granted.\n");
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_release_eeprom_semaphore - Release hardware semaphore
+ *  @hw: pointer to hardware structure
+ *
+ *  This function clears hardware semaphore bits.
+ **/
+static void ixgbe_release_eeprom_semaphore(struct ixgbe_hw *hw)
+{
+	u32 swsm;
+
+	swsm = IXGBE_READ_REG(hw, IXGBE_SWSM);
+
+	/* Release both semaphores by writing 0 to the bits SWESMBI and SMBI */
+	swsm &= ~(IXGBE_SWSM_SWESMBI | IXGBE_SWSM_SMBI);
+	IXGBE_WRITE_REG(hw, IXGBE_SWSM, swsm);
+	IXGBE_WRITE_FLUSH(hw);
+}
+
+/**
+ *  ixgbe_ready_eeprom - Polls for EEPROM ready
+ *  @hw: pointer to hardware structure
+ **/
+static s32 ixgbe_ready_eeprom(struct ixgbe_hw *hw)
+{
+	s32 status = 0;
+	u16 i;
+	u8 spi_stat_reg;
+
+	/*
+	 * Read "Status Register" repeatedly until the LSB is cleared.  The
+	 * EEPROM will signal that the command has been completed by clearing
+	 * bit 0 of the internal status register.  If it's not cleared within
+	 * 5 milliseconds, then error out.
+	 */
+	for (i = 0; i < IXGBE_EEPROM_MAX_RETRY_SPI; i += 5) {
+		ixgbe_shift_out_eeprom_bits(hw, IXGBE_EEPROM_RDSR_OPCODE_SPI,
+					    IXGBE_EEPROM_OPCODE_BITS);
+		spi_stat_reg = (u8)ixgbe_shift_in_eeprom_bits(hw, 8);
+		if (!(spi_stat_reg & IXGBE_EEPROM_STATUS_RDY_SPI))
+			break;
+
+		udelay(5);
+		ixgbe_standby_eeprom(hw);
+	};
+
+	/*
+	 * On some parts, SPI write time could vary from 0-20mSec on 3.3V
+	 * devices (and only 0-5mSec on 5V devices)
+	 */
+	if (i >= IXGBE_EEPROM_MAX_RETRY_SPI) {
+		hw_dbg(hw, "SPI EEPROM Status error\n");
+		status = IXGBE_ERR_EEPROM;
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_standby_eeprom - Returns EEPROM to a "standby" state
+ *  @hw: pointer to hardware structure
+ **/
+static void ixgbe_standby_eeprom(struct ixgbe_hw *hw)
+{
+	u32 eec;
+
+	eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+
+	/* Toggle CS to flush commands */
+	eec |= IXGBE_EEC_CS;
+	IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
+	IXGBE_WRITE_FLUSH(hw);
+	udelay(1);
+	eec &= ~IXGBE_EEC_CS;
+	IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
+	IXGBE_WRITE_FLUSH(hw);
+	udelay(1);
+}
+
+/**
+ *  ixgbe_shift_out_eeprom_bits - Shift data bits out to the EEPROM.
+ *  @hw: pointer to hardware structure
+ *  @data: data to send to the EEPROM
+ *  @count: number of bits to shift out
+ **/
+static void ixgbe_shift_out_eeprom_bits(struct ixgbe_hw *hw, u16 data,
+					u16 count)
+{
+	u32 eec;
+	u32 mask;
+	u32 i;
+
+	eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+
+	/*
+	 * Mask is used to shift "count" bits of "data" out to the EEPROM
+	 * one bit at a time.  Determine the starting bit based on count
+	 */
+	mask = 0x01 << (count - 1);
+
+	for (i = 0; i < count; i++) {
+		/*
+		 * A "1" is shifted out to the EEPROM by setting bit "DI" to a
+		 * "1", and then raising and then lowering the clock (the SK
+		 * bit controls the clock input to the EEPROM).  A "0" is
+		 * shifted out to the EEPROM by setting "DI" to "0" and then
+		 * raising and then lowering the clock.
+		 */
+		if (data & mask)
+			eec |= IXGBE_EEC_DI;
+		else
+			eec &= ~IXGBE_EEC_DI;
+
+		IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
+		IXGBE_WRITE_FLUSH(hw);
+
+		udelay(1);
+
+		ixgbe_raise_eeprom_clk(hw, &eec);
+		ixgbe_lower_eeprom_clk(hw, &eec);
+
+		/*
+		 * Shift mask to signify next bit of data to shift in to the
+		 * EEPROM
+		 */
+		mask = mask >> 1;
+	};
+
+	/* We leave the "DI" bit set to "0" when we leave this routine. */
+	eec &= ~IXGBE_EEC_DI;
+	IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
+	IXGBE_WRITE_FLUSH(hw);
+}
+
+/**
+ *  ixgbe_shift_in_eeprom_bits - Shift data bits in from the EEPROM
+ *  @hw: pointer to hardware structure
+ **/
+static u16 ixgbe_shift_in_eeprom_bits(struct ixgbe_hw *hw, u16 count)
+{
+	u32 eec;
+	u32 i;
+	u16 data = 0;
+
+	/*
+	 * In order to read a register from the EEPROM, we need to shift
+	 * 'count' bits in from the EEPROM. Bits are "shifted in" by raising
+	 * the clock input to the EEPROM (setting the SK bit), and then reading
+	 * the value of the "DO" bit.  During this "shifting in" process the
+	 * "DI" bit should always be clear.
+	 */
+	eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+
+	eec &= ~(IXGBE_EEC_DO | IXGBE_EEC_DI);
+
+	for (i = 0; i < count; i++) {
+		data = data << 1;
+		ixgbe_raise_eeprom_clk(hw, &eec);
+
+		eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+
+		eec &= ~(IXGBE_EEC_DI);
+		if (eec & IXGBE_EEC_DO)
+			data |= 1;
+
+		ixgbe_lower_eeprom_clk(hw, &eec);
+	}
+
+	return data;
+}
+
+/**
+ *  ixgbe_raise_eeprom_clk - Raises the EEPROM's clock input.
+ *  @hw: pointer to hardware structure
+ *  @eec: EEC register's current value
+ **/
+static void ixgbe_raise_eeprom_clk(struct ixgbe_hw *hw, u32 *eec)
+{
+	/*
+	 * Raise the clock input to the EEPROM
+	 * (setting the SK bit), then delay
+	 */
+	*eec = *eec | IXGBE_EEC_SK;
+	IXGBE_WRITE_REG(hw, IXGBE_EEC, *eec);
+	IXGBE_WRITE_FLUSH(hw);
+	udelay(1);
+}
+
+/**
+ *  ixgbe_lower_eeprom_clk - Lowers the EEPROM's clock input.
+ *  @hw: pointer to hardware structure
+ *  @eecd: EECD's current value
+ **/
+static void ixgbe_lower_eeprom_clk(struct ixgbe_hw *hw, u32 *eec)
+{
+	/*
+	 * Lower the clock input to the EEPROM (clearing the SK bit), then
+	 * delay
+	 */
+	*eec = *eec & ~IXGBE_EEC_SK;
+	IXGBE_WRITE_REG(hw, IXGBE_EEC, *eec);
+	IXGBE_WRITE_FLUSH(hw);
+	udelay(1);
+}
+
+/**
+ *  ixgbe_release_eeprom - Release EEPROM, release semaphores
+ *  @hw: pointer to hardware structure
+ **/
+static void ixgbe_release_eeprom(struct ixgbe_hw *hw)
+{
+	u32 eec;
+
+	eec = IXGBE_READ_REG(hw, IXGBE_EEC);
+
+	eec |= IXGBE_EEC_CS;  /* Pull CS high */
+	eec &= ~IXGBE_EEC_SK; /* Lower SCK */
+
+	IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
+	IXGBE_WRITE_FLUSH(hw);
+
+	udelay(1);
+
+	/* Stop requesting EEPROM access */
+	eec &= ~IXGBE_EEC_REQ;
+	IXGBE_WRITE_REG(hw, IXGBE_EEC, eec);
+
+	hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_EEP_SM);
+
+	/* Delay before attempt to obtain semaphore again to allow FW access */
+	msleep(hw->eeprom.semaphore_delay);
+}
+
+/**
+ *  ixgbe_calc_eeprom_checksum_generic - Calculates and returns the checksum
+ *  @hw: pointer to hardware structure
+ **/
+u16 ixgbe_calc_eeprom_checksum_generic(struct ixgbe_hw *hw)
+{
+	u16 i;
+	u16 j;
+	u16 checksum = 0;
+	u16 length = 0;
+	u16 pointer = 0;
+	u16 word = 0;
+
+	/* Include 0x0-0x3F in the checksum */
+	for (i = 0; i < IXGBE_EEPROM_CHECKSUM; i++) {
+		if (hw->eeprom.ops.read(hw, i, &word) != 0) {
+			hw_dbg(hw, "EEPROM read failed\n");
+			break;
+		}
+		checksum += word;
+	}
+
+	/* Include all data from pointers except for the fw pointer */
+	for (i = IXGBE_PCIE_ANALOG_PTR; i < IXGBE_FW_PTR; i++) {
+		hw->eeprom.ops.read(hw, i, &pointer);
+
+		/* Make sure the pointer seems valid */
+		if (pointer != 0xFFFF && pointer != 0) {
+			hw->eeprom.ops.read(hw, pointer, &length);
+
+			if (length != 0xFFFF && length != 0) {
+				for (j = pointer+1; j <= pointer+length; j++) {
+					hw->eeprom.ops.read(hw, j, &word);
+					checksum += word;
+				}
+			}
+		}
+	}
+
+	checksum = (u16)IXGBE_EEPROM_SUM - checksum;
+
+	return checksum;
+}
+
+/**
+ *  ixgbe_validate_eeprom_checksum_generic - Validate EEPROM checksum
+ *  @hw: pointer to hardware structure
+ *  @checksum_val: calculated checksum
+ *
+ *  Performs checksum calculation and validates the EEPROM checksum.  If the
+ *  caller does not need checksum_val, the value can be NULL.
+ **/
+s32 ixgbe_validate_eeprom_checksum_generic(struct ixgbe_hw *hw,
+					   u16 *checksum_val)
+{
+	s32 status;
+	u16 checksum;
+	u16 read_checksum = 0;
+
+	/*
+	 * Read the first word from the EEPROM. If this times out or fails, do
+	 * not continue or we could be in for a very long wait while every
+	 * EEPROM read fails
+	 */
+	status = hw->eeprom.ops.read(hw, 0, &checksum);
+
+	if (status == 0) {
+		checksum = hw->eeprom.ops.calc_checksum(hw);
+
+		hw->eeprom.ops.read(hw, IXGBE_EEPROM_CHECKSUM, &read_checksum);
+
+		/*
+		 * Verify read checksum from EEPROM is the same as
+		 * calculated checksum
+		 */
+		if (read_checksum != checksum)
+			status = IXGBE_ERR_EEPROM_CHECKSUM;
+
+		/* If the user cares, return the calculated checksum */
+		if (checksum_val)
+			*checksum_val = checksum;
+	} else {
+		hw_dbg(hw, "EEPROM read failed\n");
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_update_eeprom_checksum_generic - Updates the EEPROM checksum
+ *  @hw: pointer to hardware structure
+ **/
+s32 ixgbe_update_eeprom_checksum_generic(struct ixgbe_hw *hw)
+{
+	s32 status;
+	u16 checksum;
+
+	/*
+	 * Read the first word from the EEPROM. If this times out or fails, do
+	 * not continue or we could be in for a very long wait while every
+	 * EEPROM read fails
+	 */
+	status = hw->eeprom.ops.read(hw, 0, &checksum);
+
+	if (status == 0) {
+		checksum = hw->eeprom.ops.calc_checksum(hw);
+		status = hw->eeprom.ops.write(hw, IXGBE_EEPROM_CHECKSUM,
+					      checksum);
+	} else {
+		hw_dbg(hw, "EEPROM read failed\n");
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_validate_mac_addr - Validate MAC address
+ *  @mac_addr: pointer to MAC address.
+ *
+ *  Tests a MAC address to ensure it is a valid Individual Address
+ **/
+s32 ixgbe_validate_mac_addr(u8 *mac_addr)
+{
+	s32 status = 0;
+
+	/* Make sure it is not a multicast address */
+	if (IXGBE_IS_MULTICAST(mac_addr)) {
+		hw_dbg(hw, "MAC address is multicast\n");
+		status = IXGBE_ERR_INVALID_MAC_ADDR;
+	/* Not a broadcast address */
+	} else if (IXGBE_IS_BROADCAST(mac_addr)) {
+		hw_dbg(hw, "MAC address is broadcast\n");
+		status = IXGBE_ERR_INVALID_MAC_ADDR;
+	/* Reject the zero address */
+	} else if (mac_addr[0] == 0 && mac_addr[1] == 0 && mac_addr[2] == 0 &&
+		   mac_addr[3] == 0 && mac_addr[4] == 0 && mac_addr[5] == 0) {
+		hw_dbg(hw, "MAC address is all zeros\n");
+		status = IXGBE_ERR_INVALID_MAC_ADDR;
+	}
+	return status;
+}
+
+/**
+ *  ixgbe_set_rar_generic - Set Rx address register
+ *  @hw: pointer to hardware structure
+ *  @index: Receive address register to write
+ *  @addr: Address to put into receive address register
+ *  @vmdq: VMDq "set" or "pool" index
+ *  @enable_addr: set flag that address is active
+ *
+ *  Puts an ethernet address into a receive address register.
+ **/
+s32 ixgbe_set_rar_generic(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
+			  u32 enable_addr)
+{
+	u32 rar_low, rar_high;
+	u32 rar_entries = hw->mac.num_rar_entries;
+
+	/* Make sure we are using a valid rar index range */
+	if (index >= rar_entries) {
+		hw_dbg(hw, "RAR index %d is out of range.\n", index);
+		return IXGBE_ERR_INVALID_ARGUMENT;
+	}
+
+	/* setup VMDq pool selection before this RAR gets enabled */
+	hw->mac.ops.set_vmdq(hw, index, vmdq);
+
+	/*
+	 * HW expects these in little endian so we reverse the byte
+	 * order from network order (big endian) to little endian
+	 */
+	rar_low = ((u32)addr[0] |
+		   ((u32)addr[1] << 8) |
+		   ((u32)addr[2] << 16) |
+		   ((u32)addr[3] << 24));
+	/*
+	 * Some parts put the VMDq setting in the extra RAH bits,
+	 * so save everything except the lower 16 bits that hold part
+	 * of the address and the address valid bit.
+	 */
+	rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index));
+	rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV);
+	rar_high |= ((u32)addr[4] | ((u32)addr[5] << 8));
+
+	if (enable_addr != 0)
+		rar_high |= IXGBE_RAH_AV;
+
+	IXGBE_WRITE_REG(hw, IXGBE_RAL(index), rar_low);
+	IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_clear_rar_generic - Remove Rx address register
+ *  @hw: pointer to hardware structure
+ *  @index: Receive address register to write
+ *
+ *  Clears an ethernet address from a receive address register.
+ **/
+s32 ixgbe_clear_rar_generic(struct ixgbe_hw *hw, u32 index)
+{
+	u32 rar_high;
+	u32 rar_entries = hw->mac.num_rar_entries;
+
+	/* Make sure we are using a valid rar index range */
+	if (index >= rar_entries) {
+		hw_dbg(hw, "RAR index %d is out of range.\n", index);
+		return IXGBE_ERR_INVALID_ARGUMENT;
+	}
+
+	/*
+	 * Some parts put the VMDq setting in the extra RAH bits,
+	 * so save everything except the lower 16 bits that hold part
+	 * of the address and the address valid bit.
+	 */
+	rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(index));
+	rar_high &= ~(0x0000FFFF | IXGBE_RAH_AV);
+
+	IXGBE_WRITE_REG(hw, IXGBE_RAL(index), 0);
+	IXGBE_WRITE_REG(hw, IXGBE_RAH(index), rar_high);
+
+	/* clear VMDq pool/queue selection for this RAR */
+	hw->mac.ops.clear_vmdq(hw, index, IXGBE_CLEAR_VMDQ_ALL);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_init_rx_addrs_generic - Initializes receive address filters.
+ *  @hw: pointer to hardware structure
+ *
+ *  Places the MAC address in receive address register 0 and clears the rest
+ *  of the receive address registers. Clears the multicast table. Assumes
+ *  the receiver is in reset when the routine is called.
+ **/
+s32 ixgbe_init_rx_addrs_generic(struct ixgbe_hw *hw)
+{
+	u32 i;
+	u32 rar_entries = hw->mac.num_rar_entries;
+
+	/*
+	 * If the current mac address is valid, assume it is a software override
+	 * to the permanent address.
+	 * Otherwise, use the permanent address from the eeprom.
+	 */
+	if (ixgbe_validate_mac_addr(hw->mac.addr) ==
+	    IXGBE_ERR_INVALID_MAC_ADDR) {
+		/* Get the MAC address from the RAR0 for later reference */
+		hw->mac.ops.get_mac_addr(hw, hw->mac.addr);
+
+		hw_dbg(hw, " Keeping Current RAR0 Addr =%.2X %.2X %.2X ",
+			  hw->mac.addr[0], hw->mac.addr[1],
+			  hw->mac.addr[2]);
+		hw_dbg(hw, "%.2X %.2X %.2X\n", hw->mac.addr[3],
+			  hw->mac.addr[4], hw->mac.addr[5]);
+	} else {
+		/* Setup the receive address. */
+		hw_dbg(hw, "Overriding MAC Address in RAR[0]\n");
+		hw_dbg(hw, " New MAC Addr =%.2X %.2X %.2X ",
+			  hw->mac.addr[0], hw->mac.addr[1],
+			  hw->mac.addr[2]);
+		hw_dbg(hw, "%.2X %.2X %.2X\n", hw->mac.addr[3],
+			  hw->mac.addr[4], hw->mac.addr[5]);
+
+		hw->mac.ops.set_rar(hw, 0, hw->mac.addr, 0, IXGBE_RAH_AV);
+
+		/* clear VMDq pool/queue selection for RAR 0 */
+		hw->mac.ops.clear_vmdq(hw, 0, IXGBE_CLEAR_VMDQ_ALL);
+	}
+	hw->addr_ctrl.overflow_promisc = 0;
+
+	hw->addr_ctrl.rar_used_count = 1;
+
+	/* Zero out the other receive addresses. */
+	hw_dbg(hw, "Clearing RAR[1-%d]\n", rar_entries - 1);
+	for (i = 1; i < rar_entries; i++) {
+		IXGBE_WRITE_REG(hw, IXGBE_RAL(i), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_RAH(i), 0);
+	}
+
+	/* Clear the MTA */
+	hw->addr_ctrl.mta_in_use = 0;
+	IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, hw->mac.mc_filter_type);
+
+	hw_dbg(hw, " Clearing MTA\n");
+	for (i = 0; i < hw->mac.mcft_size; i++)
+		IXGBE_WRITE_REG(hw, IXGBE_MTA(i), 0);
+
+	ixgbe_init_uta_tables(hw);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_add_uc_addr - Adds a secondary unicast address.
+ *  @hw: pointer to hardware structure
+ *  @addr: new address
+ *
+ *  Adds it to unused receive address register or goes into promiscuous mode.
+ **/
+void ixgbe_add_uc_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq)
+{
+	u32 rar_entries = hw->mac.num_rar_entries;
+	u32 rar;
+
+	hw_dbg(hw, " UC Addr = %.2X %.2X %.2X %.2X %.2X %.2X\n",
+		  addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);
+
+	/*
+	 * Place this address in the RAR if there is room,
+	 * else put the controller into promiscuous mode
+	 */
+	if (hw->addr_ctrl.rar_used_count < rar_entries) {
+		rar = hw->addr_ctrl.rar_used_count;
+		hw->mac.ops.set_rar(hw, rar, addr, vmdq, IXGBE_RAH_AV);
+		hw_dbg(hw, "Added a secondary address to RAR[%d]\n", rar);
+		hw->addr_ctrl.rar_used_count++;
+	} else {
+		hw->addr_ctrl.overflow_promisc++;
+	}
+
+	hw_dbg(hw, "ixgbe_add_uc_addr Complete\n");
+}
+
+/**
+ *  ixgbe_update_uc_addr_list_generic - Updates MAC list of secondary addresses
+ *  @hw: pointer to hardware structure
+ *  @addr_list: the list of new addresses
+ *  @addr_count: number of addresses
+ *  @next: iterator function to walk the address list
+ *
+ *  The given list replaces any existing list.  Clears the secondary addrs from
+ *  receive address registers.  Uses unused receive address registers for the
+ *  first secondary addresses, and falls back to promiscuous mode as needed.
+ *
+ *  Drivers using secondary unicast addresses must set user_set_promisc when
+ *  manually putting the device into promiscuous mode.
+ **/
+s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, u8 *addr_list,
+				      u32 addr_count, ixgbe_mc_addr_itr next)
+{
+	u8 *addr;
+	u32 i;
+	u32 old_promisc_setting = hw->addr_ctrl.overflow_promisc;
+	u32 uc_addr_in_use;
+	u32 fctrl;
+	u32 vmdq;
+
+	/*
+	 * Clear accounting of old secondary address list,
+	 * don't count RAR[0]
+	 */
+	uc_addr_in_use = hw->addr_ctrl.rar_used_count - 1;
+	hw->addr_ctrl.rar_used_count -= uc_addr_in_use;
+	hw->addr_ctrl.overflow_promisc = 0;
+
+	/* Zero out the other receive addresses */
+	hw_dbg(hw, "Clearing RAR[1-%d]\n", uc_addr_in_use+1);
+	for (i = 0; i < uc_addr_in_use; i++) {
+		IXGBE_WRITE_REG(hw, IXGBE_RAL(1+i), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_RAH(1+i), 0);
+	}
+
+	/* Add the new addresses */
+	for (i = 0; i < addr_count; i++) {
+		hw_dbg(hw, " Adding the secondary addresses:\n");
+		addr = next(hw, &addr_list, &vmdq);
+		ixgbe_add_uc_addr(hw, addr, vmdq);
+	}
+
+	if (hw->addr_ctrl.overflow_promisc) {
+		/* enable promisc if not already in overflow or set by user */
+		if (!old_promisc_setting && !hw->addr_ctrl.user_set_promisc) {
+			hw_dbg(hw, " Entering address overflow promisc mode\n");
+			fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
+			fctrl |= IXGBE_FCTRL_UPE;
+			IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
+		}
+	} else {
+		/* only disable if set by overflow, not by user */
+		if (old_promisc_setting && !hw->addr_ctrl.user_set_promisc) {
+			hw_dbg(hw, " Leaving address overflow promisc mode\n");
+			fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL);
+			fctrl &= ~IXGBE_FCTRL_UPE;
+			IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
+		}
+	}
+
+	hw_dbg(hw, "ixgbe_update_uc_addr_list_generic Complete\n");
+	return 0;
+}
+
+/**
+ *  ixgbe_mta_vector - Determines bit-vector in multicast table to set
+ *  @hw: pointer to hardware structure
+ *  @mc_addr: the multicast address
+ *
+ *  Extracts the 12 bits, from a multicast address, to determine which
+ *  bit-vector to set in the multicast table. The hardware uses 12 bits, from
+ *  incoming rx multicast addresses, to determine the bit-vector to check in
+ *  the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set
+ *  by the MO field of the MCSTCTRL. The MO field is set during initialization
+ *  to mc_filter_type.
+ **/
+static s32 ixgbe_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr)
+{
+	u32 vector = 0;
+
+	switch (hw->mac.mc_filter_type) {
+	case 0:   /* use bits [47:36] of the address */
+		vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4));
+		break;
+	case 1:   /* use bits [46:35] of the address */
+		vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5));
+		break;
+	case 2:   /* use bits [45:34] of the address */
+		vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6));
+		break;
+	case 3:   /* use bits [43:32] of the address */
+		vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8));
+		break;
+	default:  /* Invalid mc_filter_type */
+		hw_dbg(hw, "MC filter type param set incorrectly\n");
+		break;
+	}
+
+	/* vector can only be 12-bits or boundary will be exceeded */
+	vector &= 0xFFF;
+	return vector;
+}
+
+/**
+ *  ixgbe_set_mta - Set bit-vector in multicast table
+ *  @hw: pointer to hardware structure
+ *  @hash_value: Multicast address hash value
+ *
+ *  Sets the bit-vector in the multicast table.
+ **/
+void ixgbe_set_mta(struct ixgbe_hw *hw, u8 *mc_addr)
+{
+	u32 vector;
+	u32 vector_bit;
+	u32 vector_reg;
+
+	hw->addr_ctrl.mta_in_use++;
+
+	vector = ixgbe_mta_vector(hw, mc_addr);
+	hw_dbg(hw, " bit-vector = 0x%03X\n", vector);
+
+	/*
+	 * The MTA is a register array of 128 32-bit registers. It is treated
+	 * like an array of 4096 bits.  We want to set bit
+	 * BitArray[vector_value]. So we figure out what register the bit is
+	 * in, read it, OR in the new bit, then write back the new value.  The
+	 * register is determined by the upper 7 bits of the vector value and
+	 * the bit within that register are determined by the lower 5 bits of
+	 * the value.
+	 */
+	vector_reg = (vector >> 5) & 0x7F;
+	vector_bit = vector & 0x1F;
+	hw->mac.mta_shadow[vector_reg] |= (1 << vector_bit);
+}
+
+/**
+ *  ixgbe_update_mc_addr_list_generic - Updates MAC list of multicast addresses
+ *  @hw: pointer to hardware structure
+ *  @mc_addr_list: the list of new multicast addresses
+ *  @mc_addr_count: number of addresses
+ *  @next: iterator function to walk the multicast address list
+ *  @clear: flag, when set clears the table beforehand
+ *
+ *  When the clear flag is set, the given list replaces any existing list.
+ *  Hashes the given addresses into the multicast table.
+ **/
+s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw, u8 *mc_addr_list,
+				      u32 mc_addr_count, ixgbe_mc_addr_itr next,
+				      bool clear)
+{
+	u32 i;
+	u32 vmdq;
+
+	/*
+	 * Set the new number of MC addresses that we are being requested to
+	 * use.
+	 */
+	hw->addr_ctrl.num_mc_addrs = mc_addr_count;
+	hw->addr_ctrl.mta_in_use = 0;
+
+	/* Clear mta_shadow */
+	if (clear) {
+		hw_dbg(hw, " Clearing MTA\n");
+		memset(&hw->mac.mta_shadow, 0, sizeof(hw->mac.mta_shadow));
+	}
+
+	/* Update mta_shadow */
+	for (i = 0; i < mc_addr_count; i++) {
+		hw_dbg(hw, " Adding the multicast addresses:\n");
+		ixgbe_set_mta(hw, next(hw, &mc_addr_list, &vmdq));
+	}
+
+	/* Enable mta */
+	for (i = 0; i < hw->mac.mcft_size; i++)
+		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_MTA(0), i,
+				      hw->mac.mta_shadow[i]);
+
+	if (hw->addr_ctrl.mta_in_use > 0)
+		IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL,
+				IXGBE_MCSTCTRL_MFE | hw->mac.mc_filter_type);
+
+	hw_dbg(hw, "ixgbe_update_mc_addr_list_generic Complete\n");
+	return 0;
+}
+
+/**
+ *  ixgbe_enable_mc_generic - Enable multicast address in RAR
+ *  @hw: pointer to hardware structure
+ *
+ *  Enables multicast address in RAR and the use of the multicast hash table.
+ **/
+s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw)
+{
+	struct ixgbe_addr_filter_info *a = &hw->addr_ctrl;
+
+	if (a->mta_in_use > 0)
+		IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, IXGBE_MCSTCTRL_MFE |
+				hw->mac.mc_filter_type);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_disable_mc_generic - Disable multicast address in RAR
+ *  @hw: pointer to hardware structure
+ *
+ *  Disables multicast address in RAR and the use of the multicast hash table.
+ **/
+s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw)
+{
+	struct ixgbe_addr_filter_info *a = &hw->addr_ctrl;
+
+	if (a->mta_in_use > 0)
+		IXGBE_WRITE_REG(hw, IXGBE_MCSTCTRL, hw->mac.mc_filter_type);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_fc_enable_generic - Enable flow control
+ *  @hw: pointer to hardware structure
+ *
+ *  Enable flow control according to the current settings.
+ **/
+s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw)
+{
+	s32 ret_val = 0;
+	u32 mflcn_reg, fccfg_reg;
+	u32 reg;
+	u32 fcrtl, fcrth;
+	int i;
+
+	/* Validate the water mark configuration */
+	if (!hw->fc.pause_time) {
+		ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
+		goto out;
+	}
+
+	/* Low water mark of zero causes XOFF floods */
+	for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {
+		if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
+		    hw->fc.high_water[i]) {
+			if (!hw->fc.low_water[i] ||
+			    hw->fc.low_water[i] >= hw->fc.high_water[i]) {
+				hw_dbg(hw, "Invalid water mark configuration\n");
+				ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
+				goto out;
+			}
+		}
+	}
+
+	/* Negotiate the fc mode to use */
+	ixgbe_fc_autoneg(hw);
+
+	/* Disable any previous flow control settings */
+	mflcn_reg = IXGBE_READ_REG(hw, IXGBE_MFLCN);
+	mflcn_reg &= ~(IXGBE_MFLCN_RPFCE_MASK | IXGBE_MFLCN_RFCE);
+
+	fccfg_reg = IXGBE_READ_REG(hw, IXGBE_FCCFG);
+	fccfg_reg &= ~(IXGBE_FCCFG_TFCE_802_3X | IXGBE_FCCFG_TFCE_PRIORITY);
+
+	/*
+	 * The possible values of fc.current_mode are:
+	 * 0: Flow control is completely disabled
+	 * 1: Rx flow control is enabled (we can receive pause frames,
+	 *    but not send pause frames).
+	 * 2: Tx flow control is enabled (we can send pause frames but
+	 *    we do not support receiving pause frames).
+	 * 3: Both Rx and Tx flow control (symmetric) are enabled.
+	 * other: Invalid.
+	 */
+	switch (hw->fc.current_mode) {
+	case ixgbe_fc_none:
+		/*
+		 * Flow control is disabled by software override or autoneg.
+		 * The code below will actually disable it in the HW.
+		 */
+		break;
+	case ixgbe_fc_rx_pause:
+		/*
+		 * Rx Flow control is enabled and Tx Flow control is
+		 * disabled by software override. Since there really
+		 * isn't a way to advertise that we are capable of RX
+		 * Pause ONLY, we will advertise that we support both
+		 * symmetric and asymmetric Rx PAUSE.  Later, we will
+		 * disable the adapter's ability to send PAUSE frames.
+		 */
+		mflcn_reg |= IXGBE_MFLCN_RFCE;
+		break;
+	case ixgbe_fc_tx_pause:
+		/*
+		 * Tx Flow control is enabled, and Rx Flow control is
+		 * disabled by software override.
+		 */
+		fccfg_reg |= IXGBE_FCCFG_TFCE_802_3X;
+		break;
+	case ixgbe_fc_full:
+		/* Flow control (both Rx and Tx) is enabled by SW override. */
+		mflcn_reg |= IXGBE_MFLCN_RFCE;
+		fccfg_reg |= IXGBE_FCCFG_TFCE_802_3X;
+		break;
+	default:
+		hw_dbg(hw, "Flow control param set incorrectly\n");
+		ret_val = IXGBE_ERR_CONFIG;
+		goto out;
+		break;
+	}
+
+	/* Set 802.3x based flow control settings. */
+	mflcn_reg |= IXGBE_MFLCN_DPF;
+	IXGBE_WRITE_REG(hw, IXGBE_MFLCN, mflcn_reg);
+	IXGBE_WRITE_REG(hw, IXGBE_FCCFG, fccfg_reg);
+
+
+	/* Set up and enable Rx high/low water mark thresholds, enable XON. */
+	for (i = 0; i < IXGBE_DCB_MAX_TRAFFIC_CLASS; i++) {
+		if ((hw->fc.current_mode & ixgbe_fc_tx_pause) &&
+		    hw->fc.high_water[i]) {
+			fcrtl = (hw->fc.low_water[i] << 10) | IXGBE_FCRTL_XONE;
+			IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), fcrtl);
+			fcrth = (hw->fc.high_water[i] << 10) | IXGBE_FCRTH_FCEN;
+		} else {
+			IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(i), 0);
+			/*
+			 * In order to prevent Tx hangs when the internal Tx
+			 * switch is enabled we must set the high water mark
+			 * to the maximum FCRTH value.  This allows the Tx
+			 * switch to function even under heavy Rx workloads.
+			 */
+			fcrth = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i)) - 32;
+		}
+
+		IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(i), fcrth);
+	}
+
+	/* Configure pause time (2 TCs per register) */
+	reg = hw->fc.pause_time * 0x00010001;
+	for (i = 0; i < (IXGBE_DCB_MAX_TRAFFIC_CLASS / 2); i++)
+		IXGBE_WRITE_REG(hw, IXGBE_FCTTV(i), reg);
+
+	/* Configure flow control refresh threshold value */
+	IXGBE_WRITE_REG(hw, IXGBE_FCRTV, hw->fc.pause_time / 2);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  ixgbe_negotiate_fc - Negotiate flow control
+ *  @hw: pointer to hardware structure
+ *  @adv_reg: flow control advertised settings
+ *  @lp_reg: link partner's flow control settings
+ *  @adv_sym: symmetric pause bit in advertisement
+ *  @adv_asm: asymmetric pause bit in advertisement
+ *  @lp_sym: symmetric pause bit in link partner advertisement
+ *  @lp_asm: asymmetric pause bit in link partner advertisement
+ *
+ *  Find the intersection between advertised settings and link partner's
+ *  advertised settings
+ **/
+static s32 ixgbe_negotiate_fc(struct ixgbe_hw *hw, u32 adv_reg, u32 lp_reg,
+			      u32 adv_sym, u32 adv_asm, u32 lp_sym, u32 lp_asm)
+{
+	if (!adv_reg || !lp_reg)
+		return IXGBE_ERR_FC_NOT_NEGOTIATED;
+
+	if ((adv_reg & adv_sym) && (lp_reg & lp_sym)) {
+		/*
+		 * Now we need to check if the user selected Rx ONLY
+		 * of pause frames.  In this case, we had to advertise
+		 * FULL flow control because we could not advertise RX
+		 * ONLY. Hence, we must now check to see if we need to
+		 * turn OFF the TRANSMISSION of PAUSE frames.
+		 */
+		if (hw->fc.requested_mode == ixgbe_fc_full) {
+			hw->fc.current_mode = ixgbe_fc_full;
+			hw_dbg(hw, "Flow Control = FULL.\n");
+		} else {
+			hw->fc.current_mode = ixgbe_fc_rx_pause;
+			hw_dbg(hw, "Flow Control=RX PAUSE frames only\n");
+		}
+	} else if (!(adv_reg & adv_sym) && (adv_reg & adv_asm) &&
+		   (lp_reg & lp_sym) && (lp_reg & lp_asm)) {
+		hw->fc.current_mode = ixgbe_fc_tx_pause;
+		hw_dbg(hw, "Flow Control = TX PAUSE frames only.\n");
+	} else if ((adv_reg & adv_sym) && (adv_reg & adv_asm) &&
+		   !(lp_reg & lp_sym) && (lp_reg & lp_asm)) {
+		hw->fc.current_mode = ixgbe_fc_rx_pause;
+		hw_dbg(hw, "Flow Control = RX PAUSE frames only.\n");
+	} else {
+		hw->fc.current_mode = ixgbe_fc_none;
+		hw_dbg(hw, "Flow Control = NONE.\n");
+	}
+	return 0;
+}
+
+/**
+ *  ixgbe_fc_autoneg_fiber - Enable flow control on 1 gig fiber
+ *  @hw: pointer to hardware structure
+ *
+ *  Enable flow control according on 1 gig fiber.
+ **/
+static s32 ixgbe_fc_autoneg_fiber(struct ixgbe_hw *hw)
+{
+	u32 pcs_anadv_reg, pcs_lpab_reg, linkstat;
+	s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
+
+	/*
+	 * On multispeed fiber at 1g, bail out if
+	 * - link is up but AN did not complete, or if
+	 * - link is up and AN completed but timed out
+	 */
+
+	linkstat = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
+	if ((!!(linkstat & IXGBE_PCS1GLSTA_AN_COMPLETE) == 0) ||
+	    (!!(linkstat & IXGBE_PCS1GLSTA_AN_TIMED_OUT) == 1))
+		goto out;
+
+	pcs_anadv_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
+	pcs_lpab_reg = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
+
+	ret_val =  ixgbe_negotiate_fc(hw, pcs_anadv_reg,
+				      pcs_lpab_reg, IXGBE_PCS1GANA_SYM_PAUSE,
+				      IXGBE_PCS1GANA_ASM_PAUSE,
+				      IXGBE_PCS1GANA_SYM_PAUSE,
+				      IXGBE_PCS1GANA_ASM_PAUSE);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  ixgbe_fc_autoneg_backplane - Enable flow control IEEE clause 37
+ *  @hw: pointer to hardware structure
+ *
+ *  Enable flow control according to IEEE clause 37.
+ **/
+static s32 ixgbe_fc_autoneg_backplane(struct ixgbe_hw *hw)
+{
+	u32 links2, anlp1_reg, autoc_reg, links;
+	s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
+
+	/*
+	 * On backplane, bail out if
+	 * - backplane autoneg was not completed, or if
+	 * - we are 82599 and link partner is not AN enabled
+	 */
+	links = IXGBE_READ_REG(hw, IXGBE_LINKS);
+	if ((links & IXGBE_LINKS_KX_AN_COMP) == 0)
+		goto out;
+
+	if (hw->mac.type == ixgbe_mac_82599EB) {
+		links2 = IXGBE_READ_REG(hw, IXGBE_LINKS2);
+		if ((links2 & IXGBE_LINKS2_AN_SUPPORTED) == 0)
+			goto out;
+	}
+	/*
+	 * Read the 10g AN autoc and LP ability registers and resolve
+	 * local flow control settings accordingly
+	 */
+	autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+	anlp1_reg = IXGBE_READ_REG(hw, IXGBE_ANLP1);
+
+	ret_val = ixgbe_negotiate_fc(hw, autoc_reg,
+		anlp1_reg, IXGBE_AUTOC_SYM_PAUSE, IXGBE_AUTOC_ASM_PAUSE,
+		IXGBE_ANLP1_SYM_PAUSE, IXGBE_ANLP1_ASM_PAUSE);
+
+out:
+	return ret_val;
+}
+
+/**
+ *  ixgbe_fc_autoneg_copper - Enable flow control IEEE clause 37
+ *  @hw: pointer to hardware structure
+ *
+ *  Enable flow control according to IEEE clause 37.
+ **/
+static s32 ixgbe_fc_autoneg_copper(struct ixgbe_hw *hw)
+{
+	u16 technology_ability_reg = 0;
+	u16 lp_technology_ability_reg = 0;
+
+	hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_ADVT,
+			     IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+			     &technology_ability_reg);
+	hw->phy.ops.read_reg(hw, IXGBE_MDIO_AUTO_NEG_LP,
+			     IXGBE_MDIO_AUTO_NEG_DEV_TYPE,
+			     &lp_technology_ability_reg);
+
+	return ixgbe_negotiate_fc(hw, (u32)technology_ability_reg,
+				  (u32)lp_technology_ability_reg,
+				  IXGBE_TAF_SYM_PAUSE, IXGBE_TAF_ASM_PAUSE,
+				  IXGBE_TAF_SYM_PAUSE, IXGBE_TAF_ASM_PAUSE);
+}
+
+/**
+ *  ixgbe_fc_autoneg - Configure flow control
+ *  @hw: pointer to hardware structure
+ *
+ *  Compares our advertised flow control capabilities to those advertised by
+ *  our link partner, and determines the proper flow control mode to use.
+ **/
+void ixgbe_fc_autoneg(struct ixgbe_hw *hw)
+{
+	s32 ret_val = IXGBE_ERR_FC_NOT_NEGOTIATED;
+	ixgbe_link_speed speed;
+	bool link_up;
+
+	/*
+	 * AN should have completed when the cable was plugged in.
+	 * Look for reasons to bail out.  Bail out if:
+	 * - FC autoneg is disabled, or if
+	 * - link is not up.
+	 */
+	if (hw->fc.disable_fc_autoneg)
+		goto out;
+
+	hw->mac.ops.check_link(hw, &speed, &link_up, false);
+	if (!link_up)
+		goto out;
+
+	switch (hw->phy.media_type) {
+	/* Autoneg flow control on fiber adapters */
+	case ixgbe_media_type_fiber:
+		if (speed == IXGBE_LINK_SPEED_1GB_FULL)
+			ret_val = ixgbe_fc_autoneg_fiber(hw);
+		break;
+
+	/* Autoneg flow control on backplane adapters */
+	case ixgbe_media_type_backplane:
+		ret_val = ixgbe_fc_autoneg_backplane(hw);
+		break;
+
+	/* Autoneg flow control on copper adapters */
+	case ixgbe_media_type_copper:
+		if (ixgbe_device_supports_autoneg_fc(hw) == 0)
+			ret_val = ixgbe_fc_autoneg_copper(hw);
+		break;
+
+	default:
+		break;
+	}
+
+out:
+	if (ret_val == 0) {
+		hw->fc.fc_was_autonegged = true;
+	} else {
+		hw->fc.fc_was_autonegged = false;
+		hw->fc.current_mode = hw->fc.requested_mode;
+	}
+}
+
+/**
+ *  ixgbe_disable_pcie_master - Disable PCI-express master access
+ *  @hw: pointer to hardware structure
+ *
+ *  Disables PCI-Express master access and verifies there are no pending
+ *  requests. IXGBE_ERR_MASTER_REQUESTS_PENDING is returned if master disable
+ *  bit hasn't caused the master requests to be disabled, else 0
+ *  is returned signifying master requests disabled.
+ **/
+s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
+{
+	s32 status = 0;
+	u32 i;
+
+	/* Always set this bit to ensure any future transactions are blocked */
+	IXGBE_WRITE_REG(hw, IXGBE_CTRL, IXGBE_CTRL_GIO_DIS);
+
+	/* Exit if master requets are blocked */
+	if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO))
+		goto out;
+
+	/* Poll for master request bit to clear */
+	for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) {
+		udelay(100);
+		if (!(IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_GIO))
+			goto out;
+	}
+
+	/*
+	 * Two consecutive resets are required via CTRL.RST per datasheet
+	 * 5.2.5.3.2 Master Disable.  We set a flag to inform the reset routine
+	 * of this need.  The first reset prevents new master requests from
+	 * being issued by our device.  We then must wait 1usec or more for any
+	 * remaining completions from the PCIe bus to trickle in, and then reset
+	 * again to clear out any effects they may have had on our device.
+	 */
+	hw_dbg(hw, "GIO Master Disable bit didn't clear - requesting resets\n");
+	hw->mac.flags |= IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
+
+	/*
+	 * Before proceeding, make sure that the PCIe block does not have
+	 * transactions pending.
+	 */
+	for (i = 0; i < IXGBE_PCI_MASTER_DISABLE_TIMEOUT; i++) {
+		udelay(100);
+		if (!(IXGBE_READ_PCIE_WORD(hw, IXGBE_PCI_DEVICE_STATUS) &
+		    IXGBE_PCI_DEVICE_STATUS_TRANSACTION_PENDING))
+			goto out;
+	}
+
+	hw_dbg(hw, "PCIe transaction pending bit also did not clear.\n");
+	status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_acquire_swfw_sync - Acquire SWFW semaphore
+ *  @hw: pointer to hardware structure
+ *  @mask: Mask to specify which semaphore to acquire
+ *
+ *  Acquires the SWFW semaphore through the GSSR register for the specified
+ *  function (CSR, PHY0, PHY1, EEPROM, Flash)
+ **/
+s32 ixgbe_acquire_swfw_sync(struct ixgbe_hw *hw, u16 mask)
+{
+	u32 gssr;
+	u32 swmask = mask;
+	u32 fwmask = mask << 5;
+	s32 timeout = 200;
+
+	while (timeout) {
+		/*
+		 * SW EEPROM semaphore bit is used for access to all
+		 * SW_FW_SYNC/GSSR bits (not just EEPROM)
+		 */
+		if (ixgbe_get_eeprom_semaphore(hw))
+			return IXGBE_ERR_SWFW_SYNC;
+
+		gssr = IXGBE_READ_REG(hw, IXGBE_GSSR);
+		if (!(gssr & (fwmask | swmask)))
+			break;
+
+		/*
+		 * Firmware currently using resource (fwmask) or other software
+		 * thread currently using resource (swmask)
+		 */
+		ixgbe_release_eeprom_semaphore(hw);
+		msleep(5);
+		timeout--;
+	}
+
+	if (!timeout) {
+		hw_dbg(hw, "Driver can't access resource, SW_FW_SYNC timeout.\n");
+		return IXGBE_ERR_SWFW_SYNC;
+	}
+
+	gssr |= swmask;
+	IXGBE_WRITE_REG(hw, IXGBE_GSSR, gssr);
+
+	ixgbe_release_eeprom_semaphore(hw);
+	return 0;
+}
+
+/**
+ *  ixgbe_release_swfw_sync - Release SWFW semaphore
+ *  @hw: pointer to hardware structure
+ *  @mask: Mask to specify which semaphore to release
+ *
+ *  Releases the SWFW semaphore through the GSSR register for the specified
+ *  function (CSR, PHY0, PHY1, EEPROM, Flash)
+ **/
+void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask)
+{
+	u32 gssr;
+	u32 swmask = mask;
+
+	ixgbe_get_eeprom_semaphore(hw);
+
+	gssr = IXGBE_READ_REG(hw, IXGBE_GSSR);
+	gssr &= ~swmask;
+	IXGBE_WRITE_REG(hw, IXGBE_GSSR, gssr);
+
+	ixgbe_release_eeprom_semaphore(hw);
+}
+
+/**
+ *  ixgbe_disable_sec_rx_path_generic - Stops the receive data path
+ *  @hw: pointer to hardware structure
+ *
+ *  Stops the receive data path and waits for the HW to internally empty
+ *  the Rx security block
+ **/
+s32 ixgbe_disable_sec_rx_path_generic(struct ixgbe_hw *hw)
+{
+#define IXGBE_MAX_SECRX_POLL 40
+
+	int i;
+	int secrxreg;
+
+	secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
+	secrxreg |= IXGBE_SECRXCTRL_RX_DIS;
+	IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg);
+	for (i = 0; i < IXGBE_MAX_SECRX_POLL; i++) {
+		secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT);
+		if (secrxreg & IXGBE_SECRXSTAT_SECRX_RDY)
+			break;
+		else
+			/* Use interrupt-safe sleep just in case */
+			udelay(1000);
+	}
+
+	/* For informational purposes only */
+	if (i >= IXGBE_MAX_SECRX_POLL)
+		hw_dbg(hw, "Rx unit being enabled before security "
+			 "path fully disabled.  Continuing with init.\n");
+
+	return 0;
+}
+
+/**
+ *  ixgbe_enable_sec_rx_path_generic - Enables the receive data path
+ *  @hw: pointer to hardware structure
+ *
+ *  Enables the receive data path.
+ **/
+s32 ixgbe_enable_sec_rx_path_generic(struct ixgbe_hw *hw)
+{
+	int secrxreg;
+
+	secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
+	secrxreg &= ~IXGBE_SECRXCTRL_RX_DIS;
+	IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg);
+	IXGBE_WRITE_FLUSH(hw);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_enable_rx_dma_generic - Enable the Rx DMA unit
+ *  @hw: pointer to hardware structure
+ *  @regval: register value to write to RXCTRL
+ *
+ *  Enables the Rx DMA unit
+ **/
+s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval)
+{
+	IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_blink_led_start_generic - Blink LED based on index.
+ *  @hw: pointer to hardware structure
+ *  @index: led number to blink
+ **/
+s32 ixgbe_blink_led_start_generic(struct ixgbe_hw *hw, u32 index)
+{
+	ixgbe_link_speed speed = 0;
+	bool link_up = 0;
+	u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+	u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+	/*
+	 * Link must be up to auto-blink the LEDs;
+	 * Force it if link is down.
+	 */
+	hw->mac.ops.check_link(hw, &speed, &link_up, false);
+
+	if (!link_up) {
+		autoc_reg |= IXGBE_AUTOC_AN_RESTART;
+		autoc_reg |= IXGBE_AUTOC_FLU;
+		IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
+		IXGBE_WRITE_FLUSH(hw);
+		msleep(10);
+	}
+
+	led_reg &= ~IXGBE_LED_MODE_MASK(index);
+	led_reg |= IXGBE_LED_BLINK(index);
+	IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
+	IXGBE_WRITE_FLUSH(hw);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_blink_led_stop_generic - Stop blinking LED based on index.
+ *  @hw: pointer to hardware structure
+ *  @index: led number to stop blinking
+ **/
+s32 ixgbe_blink_led_stop_generic(struct ixgbe_hw *hw, u32 index)
+{
+	u32 autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+	u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+	autoc_reg &= ~IXGBE_AUTOC_FLU;
+	autoc_reg |= IXGBE_AUTOC_AN_RESTART;
+	IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
+
+	led_reg &= ~IXGBE_LED_MODE_MASK(index);
+	led_reg &= ~IXGBE_LED_BLINK(index);
+	led_reg |= IXGBE_LED_LINK_ACTIVE << IXGBE_LED_MODE_SHIFT(index);
+	IXGBE_WRITE_REG(hw, IXGBE_LEDCTL, led_reg);
+	IXGBE_WRITE_FLUSH(hw);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_get_san_mac_addr_offset - Get SAN MAC address offset from the EEPROM
+ *  @hw: pointer to hardware structure
+ *  @san_mac_offset: SAN MAC address offset
+ *
+ *  This function will read the EEPROM location for the SAN MAC address
+ *  pointer, and returns the value at that location.  This is used in both
+ *  get and set mac_addr routines.
+ **/
+static s32 ixgbe_get_san_mac_addr_offset(struct ixgbe_hw *hw,
+					 u16 *san_mac_offset)
+{
+	/*
+	 * First read the EEPROM pointer to see if the MAC addresses are
+	 * available.
+	 */
+	hw->eeprom.ops.read(hw, IXGBE_SAN_MAC_ADDR_PTR, san_mac_offset);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_get_san_mac_addr_generic - SAN MAC address retrieval from the EEPROM
+ *  @hw: pointer to hardware structure
+ *  @san_mac_addr: SAN MAC address
+ *
+ *  Reads the SAN MAC address from the EEPROM, if it's available.  This is
+ *  per-port, so set_lan_id() must be called before reading the addresses.
+ *  set_lan_id() is called by identify_sfp(), but this cannot be relied
+ *  upon for non-SFP connections, so we must call it here.
+ **/
+s32 ixgbe_get_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr)
+{
+	u16 san_mac_data, san_mac_offset;
+	u8 i;
+
+	/*
+	 * First read the EEPROM pointer to see if the MAC addresses are
+	 * available.  If they're not, no point in calling set_lan_id() here.
+	 */
+	ixgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
+
+	if ((san_mac_offset == 0) || (san_mac_offset == 0xFFFF)) {
+		/*
+		 * No addresses available in this EEPROM.  It's not an
+		 * error though, so just wipe the local address and return.
+		 */
+		for (i = 0; i < 6; i++)
+			san_mac_addr[i] = 0xFF;
+
+		goto san_mac_addr_out;
+	}
+
+	/* make sure we know which port we need to program */
+	hw->mac.ops.set_lan_id(hw);
+	/* apply the port offset to the address offset */
+	(hw->bus.func) ? (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT1_OFFSET) :
+			 (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
+	for (i = 0; i < 3; i++) {
+		hw->eeprom.ops.read(hw, san_mac_offset, &san_mac_data);
+		san_mac_addr[i * 2] = (u8)(san_mac_data);
+		san_mac_addr[i * 2 + 1] = (u8)(san_mac_data >> 8);
+		san_mac_offset++;
+	}
+
+san_mac_addr_out:
+	return 0;
+}
+
+/**
+ *  ixgbe_set_san_mac_addr_generic - Write the SAN MAC address to the EEPROM
+ *  @hw: pointer to hardware structure
+ *  @san_mac_addr: SAN MAC address
+ *
+ *  Write a SAN MAC address to the EEPROM.
+ **/
+s32 ixgbe_set_san_mac_addr_generic(struct ixgbe_hw *hw, u8 *san_mac_addr)
+{
+	s32 status = 0;
+	u16 san_mac_data, san_mac_offset;
+	u8 i;
+
+	/* Look for SAN mac address pointer.  If not defined, return */
+	ixgbe_get_san_mac_addr_offset(hw, &san_mac_offset);
+
+	if ((san_mac_offset == 0) || (san_mac_offset == 0xFFFF)) {
+		status = IXGBE_ERR_NO_SAN_ADDR_PTR;
+		goto san_mac_addr_out;
+	}
+
+	/* Make sure we know which port we need to write */
+	hw->mac.ops.set_lan_id(hw);
+	/* Apply the port offset to the address offset */
+	(hw->bus.func) ? (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT1_OFFSET) :
+			 (san_mac_offset += IXGBE_SAN_MAC_ADDR_PORT0_OFFSET);
+
+	for (i = 0; i < 3; i++) {
+		san_mac_data = (u16)((u16)(san_mac_addr[i * 2 + 1]) << 8);
+		san_mac_data |= (u16)(san_mac_addr[i * 2]);
+		hw->eeprom.ops.write(hw, san_mac_offset, san_mac_data);
+		san_mac_offset++;
+	}
+
+san_mac_addr_out:
+	return status;
+}
+
+/**
+ *  ixgbe_get_pcie_msix_count_generic - Gets MSI-X vector count
+ *  @hw: pointer to hardware structure
+ *
+ *  Read PCIe configuration space, and get the MSI-X vector count from
+ *  the capabilities table.
+ **/
+u16 ixgbe_get_pcie_msix_count_generic(struct ixgbe_hw *hw)
+{
+	u16 msix_count = 1;
+	u16 max_msix_count;
+	u16 pcie_offset;
+
+	switch (hw->mac.type) {
+	case ixgbe_mac_82598EB:
+		pcie_offset = IXGBE_PCIE_MSIX_82598_CAPS;
+		max_msix_count = IXGBE_MAX_MSIX_VECTORS_82598;
+		break;
+	case ixgbe_mac_82599EB:
+	case ixgbe_mac_X540:
+		pcie_offset = IXGBE_PCIE_MSIX_82599_CAPS;
+		max_msix_count = IXGBE_MAX_MSIX_VECTORS_82599;
+		break;
+	default:
+		return msix_count;
+	}
+
+	msix_count = IXGBE_READ_PCIE_WORD(hw, pcie_offset);
+	msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK;
+
+	/* MSI-X count is zero-based in HW */
+	msix_count++;
+
+	if (msix_count > max_msix_count)
+		msix_count = max_msix_count;
+
+	return msix_count;
+}
+
+/**
+ *  ixgbe_insert_mac_addr_generic - Find a RAR for this mac address
+ *  @hw: pointer to hardware structure
+ *  @addr: Address to put into receive address register
+ *  @vmdq: VMDq pool to assign
+ *
+ *  Puts an ethernet address into a receive address register, or
+ *  finds the rar that it is already in; adds to the pool list
+ **/
+s32 ixgbe_insert_mac_addr_generic(struct ixgbe_hw *hw, u8 *addr, u32 vmdq)
+{
+	static const u32 NO_EMPTY_RAR_FOUND = 0xFFFFFFFF;
+	u32 first_empty_rar = NO_EMPTY_RAR_FOUND;
+	u32 rar;
+	u32 rar_low, rar_high;
+	u32 addr_low, addr_high;
+
+	/* swap bytes for HW little endian */
+	addr_low  = addr[0] | (addr[1] << 8)
+			    | (addr[2] << 16)
+			    | (addr[3] << 24);
+	addr_high = addr[4] | (addr[5] << 8);
+
+	/*
+	 * Either find the mac_id in rar or find the first empty space.
+	 * rar_highwater points to just after the highest currently used
+	 * rar in order to shorten the search.  It grows when we add a new
+	 * rar to the top.
+	 */
+	for (rar = 0; rar < hw->mac.rar_highwater; rar++) {
+		rar_high = IXGBE_READ_REG(hw, IXGBE_RAH(rar));
+
+		if (((IXGBE_RAH_AV & rar_high) == 0)
+		    && first_empty_rar == NO_EMPTY_RAR_FOUND) {
+			first_empty_rar = rar;
+		} else if ((rar_high & 0xFFFF) == addr_high) {
+			rar_low = IXGBE_READ_REG(hw, IXGBE_RAL(rar));
+			if (rar_low == addr_low)
+				break;    /* found it already in the rars */
+		}
+	}
+
+	if (rar < hw->mac.rar_highwater) {
+		/* already there so just add to the pool bits */
+		ixgbe_set_vmdq(hw, rar, vmdq);
+	} else if (first_empty_rar != NO_EMPTY_RAR_FOUND) {
+		/* stick it into first empty RAR slot we found */
+		rar = first_empty_rar;
+		ixgbe_set_rar(hw, rar, addr, vmdq, IXGBE_RAH_AV);
+	} else if (rar == hw->mac.rar_highwater) {
+		/* add it to the top of the list and inc the highwater mark */
+		ixgbe_set_rar(hw, rar, addr, vmdq, IXGBE_RAH_AV);
+		hw->mac.rar_highwater++;
+	} else if (rar >= hw->mac.num_rar_entries) {
+		return IXGBE_ERR_INVALID_MAC_ADDR;
+	}
+
+	/*
+	 * If we found rar[0], make sure the default pool bit (we use pool 0)
+	 * remains cleared to be sure default pool packets will get delivered
+	 */
+	if (rar == 0)
+		ixgbe_clear_vmdq(hw, rar, 0);
+
+	return rar;
+}
+
+/**
+ *  ixgbe_clear_vmdq_generic - Disassociate a VMDq pool index from a rx address
+ *  @hw: pointer to hardware struct
+ *  @rar: receive address register index to disassociate
+ *  @vmdq: VMDq pool index to remove from the rar
+ **/
+s32 ixgbe_clear_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
+{
+	u32 mpsar_lo, mpsar_hi;
+	u32 rar_entries = hw->mac.num_rar_entries;
+
+	/* Make sure we are using a valid rar index range */
+	if (rar >= rar_entries) {
+		hw_dbg(hw, "RAR index %d is out of range.\n", rar);
+		return IXGBE_ERR_INVALID_ARGUMENT;
+	}
+
+	mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
+	mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
+
+	if (!mpsar_lo && !mpsar_hi)
+		goto done;
+
+	if (vmdq == IXGBE_CLEAR_VMDQ_ALL) {
+		if (mpsar_lo) {
+			IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0);
+			mpsar_lo = 0;
+		}
+		if (mpsar_hi) {
+			IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0);
+			mpsar_hi = 0;
+		}
+	} else if (vmdq < 32) {
+		mpsar_lo &= ~(1 << vmdq);
+		IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo);
+	} else {
+		mpsar_hi &= ~(1 << (vmdq - 32));
+		IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi);
+	}
+
+	/* was that the last pool using this rar? */
+	if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0)
+		hw->mac.ops.clear_rar(hw, rar);
+done:
+	return 0;
+}
+
+/**
+ *  ixgbe_set_vmdq_generic - Associate a VMDq pool index with a rx address
+ *  @hw: pointer to hardware struct
+ *  @rar: receive address register index to associate with a VMDq index
+ *  @vmdq: VMDq pool index
+ **/
+s32 ixgbe_set_vmdq_generic(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
+{
+	u32 mpsar;
+	u32 rar_entries = hw->mac.num_rar_entries;
+
+	/* Make sure we are using a valid rar index range */
+	if (rar >= rar_entries) {
+		hw_dbg(hw, "RAR index %d is out of range.\n", rar);
+		return IXGBE_ERR_INVALID_ARGUMENT;
+	}
+
+	if (vmdq < 32) {
+		mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
+		mpsar |= 1 << vmdq;
+		IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar);
+	} else {
+		mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
+		mpsar |= 1 << (vmdq - 32);
+		IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar);
+	}
+	return 0;
+}
+
+/**
+ *  This function should only be involved in the IOV mode.
+ *  In IOV mode, Default pool is next pool after the number of
+ *  VFs advertized and not 0.
+ *  MPSAR table needs to be updated for SAN_MAC RAR [hw->mac.san_mac_rar_index]
+ *
+ *  ixgbe_set_vmdq_san_mac - Associate default VMDq pool index with a rx address
+ *  @hw: pointer to hardware struct
+ *  @vmdq: VMDq pool index
+ **/
+s32 ixgbe_set_vmdq_san_mac_generic(struct ixgbe_hw *hw, u32 vmdq)
+{
+	u32 mpsar;
+	u32 rar = hw->mac.san_mac_rar_index;
+
+	if (vmdq < 32) {
+		mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
+		mpsar |= 1 << vmdq;
+		IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar);
+	} else {
+		mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
+		mpsar |= 1 << (vmdq - 32);
+		IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar);
+	}
+
+	return 0;
+}
+
+/**
+ *  ixgbe_init_uta_tables_generic - Initialize the Unicast Table Array
+ *  @hw: pointer to hardware structure
+ **/
+s32 ixgbe_init_uta_tables_generic(struct ixgbe_hw *hw)
+{
+	int i;
+
+	hw_dbg(hw, " Clearing UTA\n");
+
+	for (i = 0; i < 128; i++)
+		IXGBE_WRITE_REG(hw, IXGBE_UTA(i), 0);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_find_vlvf_slot - find the vlanid or the first empty slot
+ *  @hw: pointer to hardware structure
+ *  @vlan: VLAN id to write to VLAN filter
+ *
+ *  return the VLVF index where this VLAN id should be placed
+ *
+ **/
+s32 ixgbe_find_vlvf_slot(struct ixgbe_hw *hw, u32 vlan)
+{
+	u32 bits = 0;
+	u32 first_empty_slot = 0;
+	s32 regindex;
+
+	/* short cut the special case */
+	if (vlan == 0)
+		return 0;
+
+	/*
+	  * Search for the vlan id in the VLVF entries. Save off the first empty
+	  * slot found along the way
+	  */
+	for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) {
+		bits = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex));
+		if (!bits && !(first_empty_slot))
+			first_empty_slot = regindex;
+		else if ((bits & 0x0FFF) == vlan)
+			break;
+	}
+
+	/*
+	  * If regindex is less than IXGBE_VLVF_ENTRIES, then we found the vlan
+	  * in the VLVF. Else use the first empty VLVF register for this
+	  * vlan id.
+	  */
+	if (regindex >= IXGBE_VLVF_ENTRIES) {
+		if (first_empty_slot)
+			regindex = first_empty_slot;
+		else {
+			hw_dbg(hw, "No space in VLVF.\n");
+			regindex = IXGBE_ERR_NO_SPACE;
+		}
+	}
+
+	return regindex;
+}
+
+/**
+ *  ixgbe_set_vfta_generic - Set VLAN filter table
+ *  @hw: pointer to hardware structure
+ *  @vlan: VLAN id to write to VLAN filter
+ *  @vind: VMDq output index that maps queue to VLAN id in VFVFB
+ *  @vlan_on: boolean flag to turn on/off VLAN in VFVF
+ *
+ *  Turn on/off specified VLAN in the VLAN filter table.
+ **/
+s32 ixgbe_set_vfta_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
+			   bool vlan_on)
+{
+	s32 regindex;
+	u32 bitindex;
+	u32 vfta;
+	u32 targetbit;
+	s32 ret_val = 0;
+	bool vfta_changed = false;
+
+	if (vlan > 4095)
+		return IXGBE_ERR_PARAM;
+
+	/*
+	 * this is a 2 part operation - first the VFTA, then the
+	 * VLVF and VLVFB if VT Mode is set
+	 * We don't write the VFTA until we know the VLVF part succeeded.
+	 */
+
+	/* Part 1
+	 * The VFTA is a bitstring made up of 128 32-bit registers
+	 * that enable the particular VLAN id, much like the MTA:
+	 *    bits[11-5]: which register
+	 *    bits[4-0]:  which bit in the register
+	 */
+	regindex = (vlan >> 5) & 0x7F;
+	bitindex = vlan & 0x1F;
+	targetbit = (1 << bitindex);
+	vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
+
+	if (vlan_on) {
+		if (!(vfta & targetbit)) {
+			vfta |= targetbit;
+			vfta_changed = true;
+		}
+	} else {
+		if (vfta & targetbit) {
+			vfta &= ~targetbit;
+			vfta_changed = true;
+		}
+	}
+
+	/* Part 2
+	 * Call ixgbe_set_vlvf_generic to set VLVFB and VLVF
+	 */
+	ret_val = ixgbe_set_vlvf_generic(hw, vlan, vind, vlan_on,
+					 &vfta_changed);
+	if (ret_val != 0)
+		return ret_val;
+
+	if (vfta_changed)
+		IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), vfta);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_set_vlvf_generic - Set VLAN Pool Filter
+ *  @hw: pointer to hardware structure
+ *  @vlan: VLAN id to write to VLAN filter
+ *  @vind: VMDq output index that maps queue to VLAN id in VFVFB
+ *  @vlan_on: boolean flag to turn on/off VLAN in VFVF
+ *  @vfta_changed: pointer to boolean flag which indicates whether VFTA
+ *                 should be changed
+ *
+ *  Turn on/off specified bit in VLVF table.
+ **/
+s32 ixgbe_set_vlvf_generic(struct ixgbe_hw *hw, u32 vlan, u32 vind,
+			    bool vlan_on, bool *vfta_changed)
+{
+	u32 vt;
+
+	if (vlan > 4095)
+		return IXGBE_ERR_PARAM;
+
+	/* If VT Mode is set
+	 *   Either vlan_on
+	 *     make sure the vlan is in VLVF
+	 *     set the vind bit in the matching VLVFB
+	 *   Or !vlan_on
+	 *     clear the pool bit and possibly the vind
+	 */
+	vt = IXGBE_READ_REG(hw, IXGBE_VT_CTL);
+	if (vt & IXGBE_VT_CTL_VT_ENABLE) {
+		s32 vlvf_index;
+		u32 bits;
+
+		vlvf_index = ixgbe_find_vlvf_slot(hw, vlan);
+		if (vlvf_index < 0)
+			return vlvf_index;
+
+		if (vlan_on) {
+			/* set the pool bit */
+			if (vind < 32) {
+				bits = IXGBE_READ_REG(hw,
+						IXGBE_VLVFB(vlvf_index * 2));
+				bits |= (1 << vind);
+				IXGBE_WRITE_REG(hw,
+						IXGBE_VLVFB(vlvf_index * 2),
+						bits);
+			} else {
+				bits = IXGBE_READ_REG(hw,
+					IXGBE_VLVFB((vlvf_index * 2) + 1));
+				bits |= (1 << (vind - 32));
+				IXGBE_WRITE_REG(hw,
+					IXGBE_VLVFB((vlvf_index * 2) + 1),
+					bits);
+			}
+		} else {
+			/* clear the pool bit */
+			if (vind < 32) {
+				bits = IXGBE_READ_REG(hw,
+						IXGBE_VLVFB(vlvf_index * 2));
+				bits &= ~(1 << vind);
+				IXGBE_WRITE_REG(hw,
+						IXGBE_VLVFB(vlvf_index * 2),
+						bits);
+				bits |= IXGBE_READ_REG(hw,
+					IXGBE_VLVFB((vlvf_index * 2) + 1));
+			} else {
+				bits = IXGBE_READ_REG(hw,
+					IXGBE_VLVFB((vlvf_index * 2) + 1));
+				bits &= ~(1 << (vind - 32));
+				IXGBE_WRITE_REG(hw,
+					IXGBE_VLVFB((vlvf_index * 2) + 1),
+					bits);
+				bits |= IXGBE_READ_REG(hw,
+						IXGBE_VLVFB(vlvf_index * 2));
+			}
+		}
+
+		/*
+		 * If there are still bits set in the VLVFB registers
+		 * for the VLAN ID indicated we need to see if the
+		 * caller is requesting that we clear the VFTA entry bit.
+		 * If the caller has requested that we clear the VFTA
+		 * entry bit but there are still pools/VFs using this VLAN
+		 * ID entry then ignore the request.  We're not worried
+		 * about the case where we're turning the VFTA VLAN ID
+		 * entry bit on, only when requested to turn it off as
+		 * there may be multiple pools and/or VFs using the
+		 * VLAN ID entry.  In that case we cannot clear the
+		 * VFTA bit until all pools/VFs using that VLAN ID have also
+		 * been cleared.  This will be indicated by "bits" being
+		 * zero.
+		 */
+		if (bits) {
+			IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index),
+					(IXGBE_VLVF_VIEN | vlan));
+			if (!vlan_on && (vfta_changed != NULL)) {
+				/* someone wants to clear the vfta entry
+				 * but some pools/VFs are still using it.
+				 * Ignore it. */
+				*vfta_changed = false;
+			}
+		} else
+			IXGBE_WRITE_REG(hw, IXGBE_VLVF(vlvf_index), 0);
+	}
+
+	return 0;
+}
+
+/**
+ *  ixgbe_clear_vfta_generic - Clear VLAN filter table
+ *  @hw: pointer to hardware structure
+ *
+ *  Clears the VLAN filer table, and the VMDq index associated with the filter
+ **/
+s32 ixgbe_clear_vfta_generic(struct ixgbe_hw *hw)
+{
+	u32 offset;
+
+	for (offset = 0; offset < hw->mac.vft_size; offset++)
+		IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
+
+	for (offset = 0; offset < IXGBE_VLVF_ENTRIES; offset++) {
+		IXGBE_WRITE_REG(hw, IXGBE_VLVF(offset), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_VLVFB(offset * 2), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_VLVFB((offset * 2) + 1), 0);
+	}
+
+	return 0;
+}
+
+/**
+ *  ixgbe_check_mac_link_generic - Determine link and speed status
+ *  @hw: pointer to hardware structure
+ *  @speed: pointer to link speed
+ *  @link_up: true when link is up
+ *  @link_up_wait_to_complete: bool used to wait for link up or not
+ *
+ *  Reads the links register to determine if link is up and the current speed
+ **/
+s32 ixgbe_check_mac_link_generic(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
+				 bool *link_up, bool link_up_wait_to_complete)
+{
+	u32 links_reg, links_orig;
+	u32 i;
+
+	/* clear the old state */
+	links_orig = IXGBE_READ_REG(hw, IXGBE_LINKS);
+
+	links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
+
+	if (links_orig != links_reg) {
+		hw_dbg(hw, "LINKS changed from %08X to %08X\n",
+			  links_orig, links_reg);
+	}
+
+	if (link_up_wait_to_complete) {
+		for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
+			if (links_reg & IXGBE_LINKS_UP) {
+				*link_up = true;
+				break;
+			} else {
+				*link_up = false;
+			}
+			msleep(100);
+			links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
+		}
+	} else {
+		if (links_reg & IXGBE_LINKS_UP)
+			*link_up = true;
+		else
+			*link_up = false;
+	}
+
+	if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
+	    IXGBE_LINKS_SPEED_10G_82599)
+		*speed = IXGBE_LINK_SPEED_10GB_FULL;
+	else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
+		 IXGBE_LINKS_SPEED_1G_82599)
+		*speed = IXGBE_LINK_SPEED_1GB_FULL;
+	else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
+		 IXGBE_LINKS_SPEED_100_82599)
+		*speed = IXGBE_LINK_SPEED_100_FULL;
+	else
+		*speed = IXGBE_LINK_SPEED_UNKNOWN;
+
+	return 0;
+}
+
+/**
+ *  ixgbe_get_wwn_prefix_generic - Get alternative WWNN/WWPN prefix from
+ *  the EEPROM
+ *  @hw: pointer to hardware structure
+ *  @wwnn_prefix: the alternative WWNN prefix
+ *  @wwpn_prefix: the alternative WWPN prefix
+ *
+ *  This function will read the EEPROM from the alternative SAN MAC address
+ *  block to check the support for the alternative WWNN/WWPN prefix support.
+ **/
+s32 ixgbe_get_wwn_prefix_generic(struct ixgbe_hw *hw, u16 *wwnn_prefix,
+				 u16 *wwpn_prefix)
+{
+	u16 offset, caps;
+	u16 alt_san_mac_blk_offset;
+
+	/* clear output first */
+	*wwnn_prefix = 0xFFFF;
+	*wwpn_prefix = 0xFFFF;
+
+	/* check if alternative SAN MAC is supported */
+	hw->eeprom.ops.read(hw, IXGBE_ALT_SAN_MAC_ADDR_BLK_PTR,
+			    &alt_san_mac_blk_offset);
+
+	if ((alt_san_mac_blk_offset == 0) ||
+	    (alt_san_mac_blk_offset == 0xFFFF))
+		goto wwn_prefix_out;
+
+	/* check capability in alternative san mac address block */
+	offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_CAPS_OFFSET;
+	hw->eeprom.ops.read(hw, offset, &caps);
+	if (!(caps & IXGBE_ALT_SAN_MAC_ADDR_CAPS_ALTWWN))
+		goto wwn_prefix_out;
+
+	/* get the corresponding prefix for WWNN/WWPN */
+	offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWNN_OFFSET;
+	hw->eeprom.ops.read(hw, offset, wwnn_prefix);
+
+	offset = alt_san_mac_blk_offset + IXGBE_ALT_SAN_MAC_ADDR_WWPN_OFFSET;
+	hw->eeprom.ops.read(hw, offset, wwpn_prefix);
+
+wwn_prefix_out:
+	return 0;
+}
+
+/**
+ *  ixgbe_get_fcoe_boot_status_generic - Get FCOE boot status from EEPROM
+ *  @hw: pointer to hardware structure
+ *  @bs: the fcoe boot status
+ *
+ *  This function will read the FCOE boot status from the iSCSI FCOE block
+ **/
+s32 ixgbe_get_fcoe_boot_status_generic(struct ixgbe_hw *hw, u16 *bs)
+{
+	u16 offset, caps, flags;
+	s32 status;
+
+	/* clear output first */
+	*bs = ixgbe_fcoe_bootstatus_unavailable;
+
+	/* check if FCOE IBA block is present */
+	offset = IXGBE_FCOE_IBA_CAPS_BLK_PTR;
+	status = hw->eeprom.ops.read(hw, offset, &caps);
+	if (status != 0)
+		goto out;
+
+	if (!(caps & IXGBE_FCOE_IBA_CAPS_FCOE))
+		goto out;
+
+	/* check if iSCSI FCOE block is populated */
+	status = hw->eeprom.ops.read(hw, IXGBE_ISCSI_FCOE_BLK_PTR, &offset);
+	if (status != 0)
+		goto out;
+
+	if ((offset == 0) || (offset == 0xFFFF))
+		goto out;
+
+	/* read fcoe flags in iSCSI FCOE block */
+	offset = offset + IXGBE_ISCSI_FCOE_FLAGS_OFFSET;
+	status = hw->eeprom.ops.read(hw, offset, &flags);
+	if (status != 0)
+		goto out;
+
+	if (flags & IXGBE_ISCSI_FCOE_FLAGS_ENABLE)
+		*bs = ixgbe_fcoe_bootstatus_enabled;
+	else
+		*bs = ixgbe_fcoe_bootstatus_disabled;
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_set_mac_anti_spoofing - Enable/Disable MAC anti-spoofing
+ *  @hw: pointer to hardware structure
+ *  @enable: enable or disable switch for anti-spoofing
+ *  @pf: Physical Function pool - do not enable anti-spoofing for the PF
+ *
+ **/
+void ixgbe_set_mac_anti_spoofing(struct ixgbe_hw *hw, bool enable, int pf)
+{
+	int j;
+	int pf_target_reg = pf >> 3;
+	int pf_target_shift = pf % 8;
+	u32 pfvfspoof = 0;
+
+	if (hw->mac.type == ixgbe_mac_82598EB)
+		return;
+
+	if (enable)
+		pfvfspoof = IXGBE_SPOOF_MACAS_MASK;
+
+	/*
+	 * PFVFSPOOF register array is size 8 with 8 bits assigned to
+	 * MAC anti-spoof enables in each register array element.
+	 */
+	for (j = 0; j < IXGBE_PFVFSPOOF_REG_COUNT; j++)
+		IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(j), pfvfspoof);
+
+	/* If not enabling anti-spoofing then done */
+	if (!enable)
+		return;
+
+	/*
+	 * The PF should be allowed to spoof so that it can support
+	 * emulation mode NICs.  Reset the bit assigned to the PF
+	 */
+	pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(pf_target_reg));
+	pfvfspoof ^= (1 << pf_target_shift);
+	IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(pf_target_reg), pfvfspoof);
+}
+
+/**
+ *  ixgbe_set_vlan_anti_spoofing - Enable/Disable VLAN anti-spoofing
+ *  @hw: pointer to hardware structure
+ *  @enable: enable or disable switch for VLAN anti-spoofing
+ *  @pf: Virtual Function pool - VF Pool to set for VLAN anti-spoofing
+ *
+ **/
+void ixgbe_set_vlan_anti_spoofing(struct ixgbe_hw *hw, bool enable, int vf)
+{
+	int vf_target_reg = vf >> 3;
+	int vf_target_shift = vf % 8 + IXGBE_SPOOF_VLANAS_SHIFT;
+	u32 pfvfspoof;
+
+	if (hw->mac.type == ixgbe_mac_82598EB)
+		return;
+
+	pfvfspoof = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
+	if (enable)
+		pfvfspoof |= (1 << vf_target_shift);
+	else
+		pfvfspoof &= ~(1 << vf_target_shift);
+	IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), pfvfspoof);
+}
+
+/**
+ *  ixgbe_get_device_caps_generic - Get additional device capabilities
+ *  @hw: pointer to hardware structure
+ *  @device_caps: the EEPROM word with the extra device capabilities
+ *
+ *  This function will read the EEPROM location for the device capabilities,
+ *  and return the word through device_caps.
+ **/
+s32 ixgbe_get_device_caps_generic(struct ixgbe_hw *hw, u16 *device_caps)
+{
+	hw->eeprom.ops.read(hw, IXGBE_DEVICE_CAPS, device_caps);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_calculate_checksum - Calculate checksum for buffer
+ *  @buffer: pointer to EEPROM
+ *  @length: size of EEPROM to calculate a checksum for
+ *  Calculates the checksum for some buffer on a specified length.  The
+ *  checksum calculated is returned.
+ **/
+static u8 ixgbe_calculate_checksum(u8 *buffer, u32 length)
+{
+	u32 i;
+	u8 sum = 0;
+
+	if (!buffer)
+		return 0;
+	for (i = 0; i < length; i++)
+		sum += buffer[i];
+
+	return (u8) (0 - sum);
+}
+
+/**
+ *  ixgbe_host_interface_command - Issue command to manageability block
+ *  @hw: pointer to the HW structure
+ *  @buffer: contains the command to write and where the return status will
+ *   be placed
+ *  @length: length of buffer, must be multiple of 4 bytes
+ *
+ *  Communicates with the manageability block.  On success return 0
+ *  else return IXGBE_ERR_HOST_INTERFACE_COMMAND.
+ **/
+static s32 ixgbe_host_interface_command(struct ixgbe_hw *hw, u32 *buffer,
+					u32 length)
+{
+	u32 hicr, i, bi;
+	u32 hdr_size = sizeof(struct ixgbe_hic_hdr);
+	u8 buf_len, dword_len;
+
+	s32 ret_val = 0;
+
+	if (length == 0 || length & 0x3 ||
+	    length > IXGBE_HI_MAX_BLOCK_BYTE_LENGTH) {
+		hw_dbg(hw, "Buffer length failure.\n");
+		ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+		goto out;
+	}
+
+	/* Check that the host interface is enabled. */
+	hicr = IXGBE_READ_REG(hw, IXGBE_HICR);
+	if ((hicr & IXGBE_HICR_EN) == 0) {
+		hw_dbg(hw, "IXGBE_HOST_EN bit disabled.\n");
+		ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+		goto out;
+	}
+
+	/* Calculate length in DWORDs */
+	dword_len = length >> 2;
+
+	/*
+	 * The device driver writes the relevant command block
+	 * into the ram area.
+	 */
+	for (i = 0; i < dword_len; i++)
+		IXGBE_WRITE_REG_ARRAY(hw, IXGBE_FLEX_MNG,
+				      i, IXGBE_CPU_TO_LE32(buffer[i]));
+
+	/* Setting this bit tells the ARC that a new command is pending. */
+	IXGBE_WRITE_REG(hw, IXGBE_HICR, hicr | IXGBE_HICR_C);
+
+	for (i = 0; i < IXGBE_HI_COMMAND_TIMEOUT; i++) {
+		hicr = IXGBE_READ_REG(hw, IXGBE_HICR);
+		if (!(hicr & IXGBE_HICR_C))
+			break;
+		msleep(1);
+	}
+
+	/* Check command successful completion. */
+	if (i == IXGBE_HI_COMMAND_TIMEOUT ||
+	    (!(IXGBE_READ_REG(hw, IXGBE_HICR) & IXGBE_HICR_SV))) {
+		hw_dbg(hw, "Command has failed with no status valid.\n");
+		ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+		goto out;
+	}
+
+	/* Calculate length in DWORDs */
+	dword_len = hdr_size >> 2;
+
+	/* first pull in the header so we know the buffer length */
+	for (bi = 0; bi < dword_len; bi++) {
+		buffer[bi] = IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, bi);
+		IXGBE_LE32_TO_CPUS(&buffer[bi]);
+	}
+
+	/* If there is any thing in data position pull it in */
+	buf_len = ((struct ixgbe_hic_hdr *)buffer)->buf_len;
+	if (buf_len == 0)
+		goto out;
+
+	if (length < (buf_len + hdr_size)) {
+		hw_dbg(hw, "Buffer not large enough for reply message.\n");
+		ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+		goto out;
+	}
+
+	/* Calculate length in DWORDs, add 3 for odd lengths */
+	dword_len = (buf_len + 3) >> 2;
+
+	/* Pull in the rest of the buffer (bi is where we left off)*/
+	for (; bi <= dword_len; bi++) {
+		buffer[bi] = IXGBE_READ_REG_ARRAY(hw, IXGBE_FLEX_MNG, bi);
+		IXGBE_LE32_TO_CPUS(&buffer[bi]);
+	}
+
+out:
+	return ret_val;
+}
+
+/**
+ *  ixgbe_set_fw_drv_ver_generic - Sends driver version to firmware
+ *  @hw: pointer to the HW structure
+ *  @maj: driver version major number
+ *  @min: driver version minor number
+ *  @build: driver version build number
+ *  @sub: driver version sub build number
+ *
+ *  Sends driver version number to firmware through the manageability
+ *  block.  On success return 0
+ *  else returns IXGBE_ERR_SWFW_SYNC when encountering an error acquiring
+ *  semaphore or IXGBE_ERR_HOST_INTERFACE_COMMAND when command fails.
+ **/
+s32 ixgbe_set_fw_drv_ver_generic(struct ixgbe_hw *hw, u8 maj, u8 min,
+				 u8 build, u8 sub)
+{
+	struct ixgbe_hic_drv_info fw_cmd;
+	int i;
+	s32 ret_val = 0;
+
+	if (hw->mac.ops.acquire_swfw_sync(hw, IXGBE_GSSR_SW_MNG_SM)
+	    != 0) {
+		ret_val = IXGBE_ERR_SWFW_SYNC;
+		goto out;
+	}
+
+	fw_cmd.hdr.cmd = FW_CEM_CMD_DRIVER_INFO;
+	fw_cmd.hdr.buf_len = FW_CEM_CMD_DRIVER_INFO_LEN;
+	fw_cmd.hdr.cmd_or_resp.cmd_resv = FW_CEM_CMD_RESERVED;
+	fw_cmd.port_num = (u8)hw->bus.func;
+	fw_cmd.ver_maj = maj;
+	fw_cmd.ver_min = min;
+	fw_cmd.ver_build = build;
+	fw_cmd.ver_sub = sub;
+	fw_cmd.hdr.checksum = 0;
+	fw_cmd.hdr.checksum = ixgbe_calculate_checksum((u8 *)&fw_cmd,
+				(FW_CEM_HDR_LEN + fw_cmd.hdr.buf_len));
+	fw_cmd.pad = 0;
+	fw_cmd.pad2 = 0;
+
+	for (i = 0; i <= FW_CEM_MAX_RETRIES; i++) {
+		ret_val = ixgbe_host_interface_command(hw, (u32 *)&fw_cmd,
+						       sizeof(fw_cmd));
+		if (ret_val != 0)
+			continue;
+
+		if (fw_cmd.hdr.cmd_or_resp.ret_status ==
+		    FW_CEM_RESP_STATUS_SUCCESS)
+			ret_val = 0;
+		else
+			ret_val = IXGBE_ERR_HOST_INTERFACE_COMMAND;
+
+		break;
+	}
+
+	hw->mac.ops.release_swfw_sync(hw, IXGBE_GSSR_SW_MNG_SM);
+out:
+	return ret_val;
+}
+
+/**
+ * ixgbe_set_rxpba_generic - Initialize Rx packet buffer
+ * @hw: pointer to hardware structure
+ * @num_pb: number of packet buffers to allocate
+ * @headroom: reserve n KB of headroom
+ * @strategy: packet buffer allocation strategy
+ **/
+void ixgbe_set_rxpba_generic(struct ixgbe_hw *hw, int num_pb, u32 headroom,
+			     int strategy)
+{
+	u32 pbsize = hw->mac.rx_pb_size;
+	int i = 0;
+	u32 rxpktsize, txpktsize, txpbthresh;
+
+	/* Reserve headroom */
+	pbsize -= headroom;
+
+	if (!num_pb)
+		num_pb = 1;
+
+	/* Divide remaining packet buffer space amongst the number of packet
+	 * buffers requested using supplied strategy.
+	 */
+	switch (strategy) {
+	case PBA_STRATEGY_WEIGHTED:
+		/* ixgbe_dcb_pba_80_48 strategy weight first half of packet
+		 * buffer with 5/8 of the packet buffer space.
+		 */
+		rxpktsize = (pbsize * 5) / (num_pb * 4);
+		pbsize -= rxpktsize * (num_pb / 2);
+		rxpktsize <<= IXGBE_RXPBSIZE_SHIFT;
+		for (; i < (num_pb / 2); i++)
+			IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
+		/* Fall through to configure remaining packet buffers */
+	case PBA_STRATEGY_EQUAL:
+		rxpktsize = (pbsize / (num_pb - i)) << IXGBE_RXPBSIZE_SHIFT;
+		for (; i < num_pb; i++)
+			IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), rxpktsize);
+		break;
+	default:
+		break;
+	}
+
+	/* Only support an equally distributed Tx packet buffer strategy. */
+	txpktsize = IXGBE_TXPBSIZE_MAX / num_pb;
+	txpbthresh = (txpktsize / 1024) - IXGBE_TXPKT_SIZE_MAX;
+	for (i = 0; i < num_pb; i++) {
+		IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), txpktsize);
+		IXGBE_WRITE_REG(hw, IXGBE_TXPBTHRESH(i), txpbthresh);
+	}
+
+	/* Clear unused TCs, if any, to zero buffer size*/
+	for (; i < IXGBE_MAX_PB; i++) {
+		IXGBE_WRITE_REG(hw, IXGBE_RXPBSIZE(i), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_TXPBSIZE(i), 0);
+		IXGBE_WRITE_REG(hw, IXGBE_TXPBTHRESH(i), 0);
+	}
+}
+
+/**
+ * ixgbe_clear_tx_pending - Clear pending TX work from the PCIe fifo
+ * @hw: pointer to the hardware structure
+ *
+ * The 82599 and x540 MACs can experience issues if TX work is still pending
+ * when a reset occurs.  This function prevents this by flushing the PCIe
+ * buffers on the system.
+ **/
+void ixgbe_clear_tx_pending(struct ixgbe_hw *hw)
+{
+	u32 gcr_ext, hlreg0;
+
+	/*
+	 * If double reset is not requested then all transactions should
+	 * already be clear and as such there is no work to do
+	 */
+	if (!(hw->mac.flags & IXGBE_FLAGS_DOUBLE_RESET_REQUIRED))
+		return;
+
+	/*
+	 * Set loopback enable to prevent any transmits from being sent
+	 * should the link come up.  This assumes that the RXCTRL.RXEN bit
+	 * has already been cleared.
+	 */
+	hlreg0 = IXGBE_READ_REG(hw, IXGBE_HLREG0);
+	IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0 | IXGBE_HLREG0_LPBK);
+
+	/* initiate cleaning flow for buffers in the PCIe transaction layer */
+	gcr_ext = IXGBE_READ_REG(hw, IXGBE_GCR_EXT);
+	IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT,
+			gcr_ext | IXGBE_GCR_EXT_BUFFERS_CLEAR);
+
+	/* Flush all writes and allow 20usec for all transactions to clear */
+	IXGBE_WRITE_FLUSH(hw);
+	udelay(20);
+
+	/* restore previous register values */
+	IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, gcr_ext);
+	IXGBE_WRITE_REG(hw, IXGBE_HLREG0, hlreg0);
+}
+
+static const u8 ixgbe_emc_temp_data[4] = {
+	IXGBE_EMC_INTERNAL_DATA,
+	IXGBE_EMC_DIODE1_DATA,
+	IXGBE_EMC_DIODE2_DATA,
+	IXGBE_EMC_DIODE3_DATA
+};
+static const u8 ixgbe_emc_therm_limit[4] = {
+	IXGBE_EMC_INTERNAL_THERM_LIMIT,
+	IXGBE_EMC_DIODE1_THERM_LIMIT,
+	IXGBE_EMC_DIODE2_THERM_LIMIT,
+	IXGBE_EMC_DIODE3_THERM_LIMIT
+};
+
+/**
+ *  ixgbe_get_thermal_sensor_data - Gathers thermal sensor data
+ *  @hw: pointer to hardware structure
+ *  @data: pointer to the thermal sensor data structure
+ *
+ *  Returns the thermal sensor data structure
+ **/
+s32 ixgbe_get_thermal_sensor_data_generic(struct ixgbe_hw *hw)
+{
+	s32 status = 0;
+	u16 ets_offset;
+	u16 ets_cfg;
+	u16 ets_sensor;
+	u8  num_sensors;
+	u8  sensor_index;
+	u8  sensor_location;
+	u8  i;
+	struct ixgbe_thermal_sensor_data *data = &hw->mac.thermal_sensor_data;
+
+	/* Only support thermal sensors attached to 82599 physical port 0 */
+	if ((hw->mac.type != ixgbe_mac_82599EB) ||
+	    (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1)) {
+		status = IXGBE_NOT_IMPLEMENTED;
+		goto out;
+	}
+
+	status = hw->eeprom.ops.read(hw, IXGBE_ETS_CFG, &ets_offset);
+	if (status)
+		goto out;
+
+	if ((ets_offset == 0x0000) || (ets_offset == 0xFFFF)) {
+		status = IXGBE_NOT_IMPLEMENTED;
+		goto out;
+	}
+
+	status = hw->eeprom.ops.read(hw, ets_offset, &ets_cfg);
+	if (status)
+		goto out;
+
+	if (((ets_cfg & IXGBE_ETS_TYPE_MASK) >> IXGBE_ETS_TYPE_SHIFT)
+		!= IXGBE_ETS_TYPE_EMC) {
+		status = IXGBE_NOT_IMPLEMENTED;
+		goto out;
+	}
+
+	num_sensors = (ets_cfg & IXGBE_ETS_NUM_SENSORS_MASK);
+	if (num_sensors > IXGBE_MAX_SENSORS)
+		num_sensors = IXGBE_MAX_SENSORS;
+
+	for (i = 0; i < num_sensors; i++) {
+		status = hw->eeprom.ops.read(hw, (ets_offset + 1 + i),
+					     &ets_sensor);
+		if (status)
+			goto out;
+
+		sensor_index = ((ets_sensor & IXGBE_ETS_DATA_INDEX_MASK) >>
+				IXGBE_ETS_DATA_INDEX_SHIFT);
+		sensor_location = ((ets_sensor & IXGBE_ETS_DATA_LOC_MASK) >>
+				   IXGBE_ETS_DATA_LOC_SHIFT);
+
+		if (sensor_location != 0) {
+			status = hw->phy.ops.read_i2c_byte(hw,
+					ixgbe_emc_temp_data[sensor_index],
+					IXGBE_I2C_THERMAL_SENSOR_ADDR,
+					&data->sensor[i].temp);
+			if (status)
+				goto out;
+		}
+	}
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_init_thermal_sensor_thresh_generic - Inits thermal sensor thresholds
+ *  @hw: pointer to hardware structure
+ *
+ *  Inits the thermal sensor thresholds according to the NVM map
+ *  and save off the threshold and location values into mac.thermal_sensor_data
+ **/
+s32 ixgbe_init_thermal_sensor_thresh_generic(struct ixgbe_hw *hw)
+{
+	s32 status = 0;
+	u16 ets_offset;
+	u16 ets_cfg;
+	u16 ets_sensor;
+	u8  low_thresh_delta;
+	u8  num_sensors;
+	u8  sensor_index;
+	u8  sensor_location;
+	u8  therm_limit;
+	u8  i;
+	struct ixgbe_thermal_sensor_data *data = &hw->mac.thermal_sensor_data;
+
+	memset(data, 0, sizeof(struct ixgbe_thermal_sensor_data));
+
+	/* Only support thermal sensors attached to 82599 physical port 0 */
+	if ((hw->mac.type != ixgbe_mac_82599EB) ||
+	    (IXGBE_READ_REG(hw, IXGBE_STATUS) & IXGBE_STATUS_LAN_ID_1))
+		return IXGBE_NOT_IMPLEMENTED;
+
+	hw->eeprom.ops.read(hw, IXGBE_ETS_CFG, &ets_offset);
+	if ((ets_offset == 0x0000) || (ets_offset == 0xFFFF))
+		return IXGBE_NOT_IMPLEMENTED;
+
+	hw->eeprom.ops.read(hw, ets_offset, &ets_cfg);
+	if (((ets_cfg & IXGBE_ETS_TYPE_MASK) >> IXGBE_ETS_TYPE_SHIFT)
+		!= IXGBE_ETS_TYPE_EMC)
+		return IXGBE_NOT_IMPLEMENTED;
+
+	low_thresh_delta = ((ets_cfg & IXGBE_ETS_LTHRES_DELTA_MASK) >>
+			     IXGBE_ETS_LTHRES_DELTA_SHIFT);
+	num_sensors = (ets_cfg & IXGBE_ETS_NUM_SENSORS_MASK);
+
+	for (i = 0; i < num_sensors; i++) {
+		hw->eeprom.ops.read(hw, (ets_offset + 1 + i), &ets_sensor);
+		sensor_index = ((ets_sensor & IXGBE_ETS_DATA_INDEX_MASK) >>
+				IXGBE_ETS_DATA_INDEX_SHIFT);
+		sensor_location = ((ets_sensor & IXGBE_ETS_DATA_LOC_MASK) >>
+				   IXGBE_ETS_DATA_LOC_SHIFT);
+		therm_limit = ets_sensor & IXGBE_ETS_DATA_HTHRESH_MASK;
+
+		hw->phy.ops.write_i2c_byte(hw,
+			ixgbe_emc_therm_limit[sensor_index],
+			IXGBE_I2C_THERMAL_SENSOR_ADDR, therm_limit);
+
+		if ((i < IXGBE_MAX_SENSORS) && (sensor_location != 0)) {
+			data->sensor[i].location = sensor_location;
+			data->sensor[i].caution_thresh = therm_limit;
+			data->sensor[i].max_op_thresh = therm_limit -
+							low_thresh_delta;
+		}
+	}
+	return status;
+}