ixgbe: Add hardware specific initialization code for 82599 devices

This patch adds the hardware initialization code specific to 82599.  This
is similar to the 82598 hardware initialization code.  It also includes all
changes to the existing hardware init code to support 82599.

Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ixgbe/ixgbe_82598.c

@@ -1046,9 +1046,9 @@ out:
  *
  *  Determines physical layer capabilities of the current configuration.
  **/
-static s32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw)
+static u32 ixgbe_get_supported_physical_layer_82598(struct ixgbe_hw *hw)
 {
-	s32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
+	u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
 
 	switch (hw->device_id) {
 	case IXGBE_DEV_ID_82598:
@@ -1111,8 +1111,11 @@ static struct ixgbe_mac_operations mac_ops_82598 = {
 	.clear_hw_cntrs		= &ixgbe_clear_hw_cntrs_generic,
 	.get_media_type		= &ixgbe_get_media_type_82598,
 	.get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82598,
+	.enable_rx_dma          = &ixgbe_enable_rx_dma_generic,
 	.get_mac_addr		= &ixgbe_get_mac_addr_generic,
 	.stop_adapter		= &ixgbe_stop_adapter_generic,
+	.get_bus_info           = &ixgbe_get_bus_info_generic,
+	.set_lan_id             = &ixgbe_set_lan_id_multi_port_pcie,
 	.read_analog_reg8	= &ixgbe_read_analog_reg8_82598,
 	.write_analog_reg8	= &ixgbe_write_analog_reg8_82598,
 	.setup_link		= &ixgbe_setup_mac_link_82598,

drivers/net/ixgbe/ixgbe_82599.c

@@ -0,0 +1,1277 @@
+/*******************************************************************************
+
+  Intel 10 Gigabit PCI Express Linux driver
+  Copyright(c) 1999 - 2009 Intel Corporation.
+
+  This program is free software; you can redistribute it and/or modify it
+  under the terms and conditions of the GNU General Public License,
+  version 2, as published by the Free Software Foundation.
+
+  This program is distributed in the hope it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+  more details.
+
+  You should have received a copy of the GNU General Public License along with
+  this program; if not, write to the Free Software Foundation, Inc.,
+  51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+
+  The full GNU General Public License is included in this distribution in
+  the file called "COPYING".
+
+  Contact Information:
+  e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
+  Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+
+*******************************************************************************/
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/sched.h>
+
+#include "ixgbe.h"
+#include "ixgbe_phy.h"
+
+#define IXGBE_82599_MAX_TX_QUEUES 128
+#define IXGBE_82599_MAX_RX_QUEUES 128
+#define IXGBE_82599_RAR_ENTRIES   128
+#define IXGBE_82599_MC_TBL_SIZE   128
+#define IXGBE_82599_VFT_TBL_SIZE  128
+
+s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
+                                      ixgbe_link_speed *speed,
+                                      bool *autoneg);
+enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw);
+s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw);
+s32 ixgbe_setup_mac_link_speed_multispeed_fiber(struct ixgbe_hw *hw,
+                                     ixgbe_link_speed speed, bool autoneg,
+                                     bool autoneg_wait_to_complete);
+s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw);
+s32 ixgbe_check_mac_link_82599(struct ixgbe_hw *hw,
+                               ixgbe_link_speed *speed,
+                               bool *link_up, bool link_up_wait_to_complete);
+s32 ixgbe_setup_mac_link_speed_82599(struct ixgbe_hw *hw,
+                                     ixgbe_link_speed speed,
+                                     bool autoneg,
+                                     bool autoneg_wait_to_complete);
+static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
+                                             ixgbe_link_speed *speed,
+                                             bool *autoneg);
+static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw);
+static s32 ixgbe_setup_copper_link_speed_82599(struct ixgbe_hw *hw,
+                                               ixgbe_link_speed speed,
+                                               bool autoneg,
+                                               bool autoneg_wait_to_complete);
+s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw);
+s32 ixgbe_set_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
+s32 ixgbe_clear_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
+s32 ixgbe_set_vfta_82599(struct ixgbe_hw *hw, u32 vlan,
+                         u32 vind, bool vlan_on);
+s32 ixgbe_clear_vfta_82599(struct ixgbe_hw *hw);
+s32 ixgbe_blink_led_stop_82599(struct ixgbe_hw *hw, u32 index);
+s32 ixgbe_blink_led_start_82599(struct ixgbe_hw *hw, u32 index);
+s32 ixgbe_init_uta_tables_82599(struct ixgbe_hw *hw);
+s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val);
+s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val);
+s32 ixgbe_start_hw_rev_0_82599(struct ixgbe_hw *hw);
+s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw);
+s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw);
+u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw);
+
+void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
+{
+	struct ixgbe_mac_info *mac = &hw->mac;
+	if (hw->phy.multispeed_fiber) {
+		/* Set up dual speed SFP+ support */
+		mac->ops.setup_link =
+		          &ixgbe_setup_mac_link_multispeed_fiber;
+		mac->ops.setup_link_speed =
+		          &ixgbe_setup_mac_link_speed_multispeed_fiber;
+	} else {
+		mac->ops.setup_link =
+		          &ixgbe_setup_mac_link_82599;
+		mac->ops.setup_link_speed =
+		          &ixgbe_setup_mac_link_speed_82599;
+	}
+}
+
+s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
+{
+	s32 ret_val = 0;
+	u16 list_offset, data_offset, data_value;
+
+	if (hw->phy.sfp_type != ixgbe_sfp_type_unknown) {
+		ixgbe_init_mac_link_ops_82599(hw);
+		ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset,
+		                                              &data_offset);
+
+		if (ret_val != 0)
+			goto setup_sfp_out;
+
+		hw->eeprom.ops.read(hw, ++data_offset, &data_value);
+		while (data_value != 0xffff) {
+			IXGBE_WRITE_REG(hw, IXGBE_CORECTL, data_value);
+			IXGBE_WRITE_FLUSH(hw);
+			hw->eeprom.ops.read(hw, ++data_offset, &data_value);
+		}
+		/* Now restart DSP */
+		IXGBE_WRITE_REG(hw, IXGBE_CORECTL, 0x00000102);
+		IXGBE_WRITE_REG(hw, IXGBE_CORECTL, 0x00000b1d);
+		IXGBE_WRITE_FLUSH(hw);
+	}
+
+setup_sfp_out:
+	return ret_val;
+}
+
+/**
+ *  ixgbe_get_pcie_msix_count_82599 - 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.
+ **/
+u32 ixgbe_get_pcie_msix_count_82599(struct ixgbe_hw *hw)
+{
+	struct ixgbe_adapter *adapter = hw->back;
+	u16 msix_count;
+	pci_read_config_word(adapter->pdev, IXGBE_PCIE_MSIX_82599_CAPS,
+	                     &msix_count);
+	msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK;
+
+	/* MSI-X count is zero-based in HW, so increment to give proper value */
+	msix_count++;
+
+	return msix_count;
+}
+
+static s32 ixgbe_get_invariants_82599(struct ixgbe_hw *hw)
+{
+	struct ixgbe_mac_info *mac = &hw->mac;
+	struct ixgbe_phy_info *phy = &hw->phy;
+	s32 ret_val;
+
+	/* Set the bus information prior to PHY identification */
+	mac->ops.get_bus_info(hw);
+
+	/* Call PHY identify routine to get the Cu or SFI phy type */
+	ret_val = phy->ops.identify(hw);
+
+	if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED)
+		goto get_invariants_out;
+
+	ixgbe_init_mac_link_ops_82599(hw);
+
+	/* Setup SFP module if there is one present. */
+	ret_val = mac->ops.setup_sfp(hw);
+
+	/* If copper media, overwrite with copper function pointers */
+	if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
+		mac->ops.setup_link = &ixgbe_setup_copper_link_82599;
+		mac->ops.setup_link_speed =
+		                  &ixgbe_setup_copper_link_speed_82599;
+		mac->ops.get_link_capabilities =
+		                  &ixgbe_get_copper_link_capabilities_82599;
+	}
+
+	/* PHY Init */
+	switch (hw->phy.type) {
+	case ixgbe_phy_tn:
+		phy->ops.check_link = &ixgbe_check_phy_link_tnx;
+		phy->ops.get_firmware_version =
+		                  &ixgbe_get_phy_firmware_version_tnx;
+		break;
+	default:
+		break;
+	}
+
+	mac->mcft_size = IXGBE_82599_MC_TBL_SIZE;
+	mac->vft_size = IXGBE_82599_VFT_TBL_SIZE;
+	mac->num_rar_entries = IXGBE_82599_RAR_ENTRIES;
+	mac->max_rx_queues = IXGBE_82599_MAX_RX_QUEUES;
+	mac->max_tx_queues = IXGBE_82599_MAX_TX_QUEUES;
+	mac->max_msix_vectors = ixgbe_get_pcie_msix_count_82599(hw);
+
+get_invariants_out:
+	return ret_val;
+}
+
+/**
+ *  ixgbe_get_link_capabilities_82599 - Determines link capabilities
+ *  @hw: pointer to hardware structure
+ *  @speed: pointer to link speed
+ *  @negotiation: true when autoneg or autotry is enabled
+ *
+ *  Determines the link capabilities by reading the AUTOC register.
+ **/
+s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
+                                      ixgbe_link_speed *speed,
+                                      bool *negotiation)
+{
+	s32 status = 0;
+
+	switch (hw->mac.orig_autoc & IXGBE_AUTOC_LMS_MASK) {
+	case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
+		*speed = IXGBE_LINK_SPEED_1GB_FULL;
+		*negotiation = false;
+		break;
+
+	case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
+		*speed = IXGBE_LINK_SPEED_10GB_FULL;
+		*negotiation = false;
+		break;
+
+	case IXGBE_AUTOC_LMS_1G_AN:
+		*speed = IXGBE_LINK_SPEED_1GB_FULL;
+		*negotiation = true;
+		break;
+
+	case IXGBE_AUTOC_LMS_10G_SERIAL:
+		*speed = IXGBE_LINK_SPEED_10GB_FULL;
+		*negotiation = false;
+		break;
+
+	case IXGBE_AUTOC_LMS_KX4_KX_KR:
+	case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN:
+		*speed = IXGBE_LINK_SPEED_UNKNOWN;
+		if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
+			*speed |= IXGBE_LINK_SPEED_10GB_FULL;
+		if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
+			*speed |= IXGBE_LINK_SPEED_10GB_FULL;
+		if (hw->mac.orig_autoc & IXGBE_AUTOC_KX_SUPP)
+			*speed |= IXGBE_LINK_SPEED_1GB_FULL;
+		*negotiation = true;
+		break;
+
+	case IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII:
+		*speed = IXGBE_LINK_SPEED_100_FULL;
+		if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
+			*speed |= IXGBE_LINK_SPEED_10GB_FULL;
+		if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
+			*speed |= IXGBE_LINK_SPEED_10GB_FULL;
+		if (hw->mac.orig_autoc & IXGBE_AUTOC_KX_SUPP)
+			*speed |= IXGBE_LINK_SPEED_1GB_FULL;
+		*negotiation = true;
+		break;
+
+	case IXGBE_AUTOC_LMS_SGMII_1G_100M:
+		*speed = IXGBE_LINK_SPEED_1GB_FULL | IXGBE_LINK_SPEED_100_FULL;
+		*negotiation = false;
+		break;
+
+	default:
+		status = IXGBE_ERR_LINK_SETUP;
+		goto out;
+		break;
+	}
+
+	if (hw->phy.multispeed_fiber) {
+		*speed |= IXGBE_LINK_SPEED_10GB_FULL |
+		          IXGBE_LINK_SPEED_1GB_FULL;
+		*negotiation = true;
+	}
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_get_copper_link_capabilities_82599 - Determines link capabilities
+ *  @hw: pointer to hardware structure
+ *  @speed: pointer to link speed
+ *  @autoneg: boolean auto-negotiation value
+ *
+ *  Determines the link capabilities by reading the AUTOC register.
+ **/
+static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
+                                                    ixgbe_link_speed *speed,
+                                                    bool *autoneg)
+{
+	s32 status = IXGBE_ERR_LINK_SETUP;
+	u16 speed_ability;
+
+	*speed = 0;
+	*autoneg = true;
+
+	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_SPEED_ABILITY,
+	                              IXGBE_MDIO_PMA_PMD_DEV_TYPE,
+	                              &speed_ability);
+
+	if (status == 0) {
+		if (speed_ability & IXGBE_MDIO_PHY_SPEED_10G)
+		    *speed |= IXGBE_LINK_SPEED_10GB_FULL;
+		if (speed_ability & IXGBE_MDIO_PHY_SPEED_1G)
+		    *speed |= IXGBE_LINK_SPEED_1GB_FULL;
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_get_media_type_82599 - Get media type
+ *  @hw: pointer to hardware structure
+ *
+ *  Returns the media type (fiber, copper, backplane)
+ **/
+enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw)
+{
+	enum ixgbe_media_type media_type;
+
+	/* Detect if there is a copper PHY attached. */
+	if (hw->phy.type == ixgbe_phy_cu_unknown ||
+	    hw->phy.type == ixgbe_phy_tn) {
+		media_type = ixgbe_media_type_copper;
+		goto out;
+	}
+
+	switch (hw->device_id) {
+	case IXGBE_DEV_ID_82599:
+	case IXGBE_DEV_ID_82599_KX4:
+		/* Default device ID is mezzanine card KX/KX4 */
+		media_type = ixgbe_media_type_backplane;
+		break;
+	case IXGBE_DEV_ID_82599_SFP:
+		media_type = ixgbe_media_type_fiber;
+		break;
+	default:
+		media_type = ixgbe_media_type_unknown;
+		break;
+	}
+out:
+	return media_type;
+}
+
+/**
+ *  ixgbe_setup_mac_link_82599 - Setup MAC link settings
+ *  @hw: pointer to hardware structure
+ *
+ *  Configures link settings based on values in the ixgbe_hw struct.
+ *  Restarts the link.  Performs autonegotiation if needed.
+ **/
+s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw)
+{
+	u32 autoc_reg;
+	u32 links_reg;
+	u32 i;
+	s32 status = 0;
+
+	/* Restart link */
+	autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+	autoc_reg |= IXGBE_AUTOC_AN_RESTART;
+	IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
+
+	/* Only poll for autoneg to complete if specified to do so */
+	if (hw->phy.autoneg_wait_to_complete) {
+		if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
+		     IXGBE_AUTOC_LMS_KX4_KX_KR ||
+		    (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
+		     IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
+		    (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
+		     IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
+			links_reg = 0; /* Just in case Autoneg time = 0 */
+			for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
+				links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
+				if (links_reg & IXGBE_LINKS_KX_AN_COMP)
+					break;
+				msleep(100);
+			}
+			if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
+				status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
+				hw_dbg(hw, "Autoneg did not complete.\n");
+			}
+		}
+	}
+
+	/* Set up flow control */
+	status = ixgbe_setup_fc_generic(hw, 0);
+
+	/* Add delay to filter out noises during initial link setup */
+	msleep(50);
+
+	return status;
+}
+
+/**
+ *  ixgbe_setup_mac_link_multispeed_fiber - Setup MAC link settings
+ *  @hw: pointer to hardware structure
+ *
+ *  Configures link settings based on values in the ixgbe_hw struct.
+ *  Restarts the link for multi-speed fiber at 1G speed, if link
+ *  fails at 10G.
+ *  Performs autonegotiation if needed.
+ **/
+s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw)
+{
+	s32 status = 0;
+	ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_82599_AUTONEG;
+	status = ixgbe_setup_mac_link_speed_multispeed_fiber(hw,
+	                                                     link_speed,
+	                                                     true, true);
+	return status;
+}
+
+/**
+ *  ixgbe_setup_mac_link_speed_multispeed_fiber - Set MAC link speed
+ *  @hw: pointer to hardware structure
+ *  @speed: new link speed
+ *  @autoneg: true if autonegotiation enabled
+ *  @autoneg_wait_to_complete: true when waiting for completion is needed
+ *
+ *  Set the link speed in the AUTOC register and restarts link.
+ **/
+s32 ixgbe_setup_mac_link_speed_multispeed_fiber(struct ixgbe_hw *hw,
+                                                ixgbe_link_speed speed,
+                                                bool autoneg,
+                                                bool autoneg_wait_to_complete)
+{
+	s32 status = 0;
+	ixgbe_link_speed phy_link_speed;
+	ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN;
+	u32 speedcnt = 0;
+	u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
+	bool link_up = false;
+	bool negotiation;
+
+	/* Mask off requested but non-supported speeds */
+	hw->mac.ops.get_link_capabilities(hw, &phy_link_speed, &negotiation);
+	speed &= phy_link_speed;
+
+	/*
+	 * Try each speed one by one, highest priority first.  We do this in
+	 * software because 10gb fiber doesn't support speed autonegotiation.
+	 */
+	if (speed & IXGBE_LINK_SPEED_10GB_FULL) {
+		speedcnt++;
+		highest_link_speed = IXGBE_LINK_SPEED_10GB_FULL;
+
+		/* Set hardware SDP's */
+		esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5);
+		IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
+
+		ixgbe_setup_mac_link_speed_82599(hw,
+		                                 IXGBE_LINK_SPEED_10GB_FULL,
+		                                 autoneg,
+		                                 autoneg_wait_to_complete);
+
+		msleep(50);
+
+		/* If we have link, just jump out */
+		hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
+		if (link_up)
+			goto out;
+	}
+
+	if (speed & IXGBE_LINK_SPEED_1GB_FULL) {
+		speedcnt++;
+		if (highest_link_speed == IXGBE_LINK_SPEED_UNKNOWN)
+			highest_link_speed = IXGBE_LINK_SPEED_1GB_FULL;
+
+		/* Set hardware SDP's */
+		esdp_reg &= ~IXGBE_ESDP_SDP5;
+		esdp_reg |= IXGBE_ESDP_SDP5_DIR;
+		IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
+
+		ixgbe_setup_mac_link_speed_82599(
+			hw, IXGBE_LINK_SPEED_1GB_FULL, autoneg,
+			autoneg_wait_to_complete);
+
+		msleep(50);
+
+		/* If we have link, just jump out */
+		hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
+		if (link_up)
+			goto out;
+	}
+
+	/*
+	 * We didn't get link.  Configure back to the highest speed we tried,
+	 * (if there was more than one).  We call ourselves back with just the
+	 * single highest speed that the user requested.
+	 */
+	if (speedcnt > 1)
+		status = ixgbe_setup_mac_link_speed_multispeed_fiber(hw,
+		                                     highest_link_speed,
+		                                     autoneg,
+		                                     autoneg_wait_to_complete);
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_check_mac_link_82599 - 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_82599(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
+                               bool *link_up, bool link_up_wait_to_complete)
+{
+	u32 links_reg;
+	u32 i;
+
+	links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
+	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
+		*speed = IXGBE_LINK_SPEED_100_FULL;
+
+
+	return 0;
+}
+
+/**
+ *  ixgbe_setup_mac_link_speed_82599 - Set MAC link speed
+ *  @hw: pointer to hardware structure
+ *  @speed: new link speed
+ *  @autoneg: true if autonegotiation enabled
+ *  @autoneg_wait_to_complete: true when waiting for completion is needed
+ *
+ *  Set the link speed in the AUTOC register and restarts link.
+ **/
+s32 ixgbe_setup_mac_link_speed_82599(struct ixgbe_hw *hw,
+                                     ixgbe_link_speed speed, bool autoneg,
+                                     bool autoneg_wait_to_complete)
+{
+	s32 status = 0;
+	u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+	u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
+	u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
+	u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
+	u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK;
+	u32 links_reg;
+	u32 i;
+	ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
+
+	/* Check to see if speed passed in is supported. */
+	hw->mac.ops.get_link_capabilities(hw, &link_capabilities, &autoneg);
+	speed &= link_capabilities;
+
+	if (speed == IXGBE_LINK_SPEED_UNKNOWN) {
+		status = IXGBE_ERR_LINK_SETUP;
+	} else if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
+	           link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
+	           link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
+		/* Set KX4/KX/KR support according to speed requested */
+		autoc &= ~(IXGBE_AUTOC_KX4_KX_SUPP_MASK | IXGBE_AUTOC_KR_SUPP);
+		if (speed & IXGBE_LINK_SPEED_10GB_FULL)
+			if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
+				autoc |= IXGBE_AUTOC_KX4_SUPP;
+			if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
+				autoc |= IXGBE_AUTOC_KR_SUPP;
+		if (speed & IXGBE_LINK_SPEED_1GB_FULL)
+			autoc |= IXGBE_AUTOC_KX_SUPP;
+	} else if ((pma_pmd_1g == IXGBE_AUTOC_1G_SFI) &&
+	           (link_mode == IXGBE_AUTOC_LMS_1G_LINK_NO_AN ||
+	            link_mode == IXGBE_AUTOC_LMS_1G_AN)) {
+		/* Switch from 1G SFI to 10G SFI if requested */
+		if ((speed == IXGBE_LINK_SPEED_10GB_FULL) &&
+		    (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI)) {
+			autoc &= ~IXGBE_AUTOC_LMS_MASK;
+			autoc |= IXGBE_AUTOC_LMS_10G_SERIAL;
+		}
+	} else if ((pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI) &&
+	           (link_mode == IXGBE_AUTOC_LMS_10G_SERIAL)) {
+		/* Switch from 10G SFI to 1G SFI if requested */
+		if ((speed == IXGBE_LINK_SPEED_1GB_FULL) &&
+		    (pma_pmd_1g == IXGBE_AUTOC_1G_SFI)) {
+			autoc &= ~IXGBE_AUTOC_LMS_MASK;
+			if (autoneg)
+				autoc |= IXGBE_AUTOC_LMS_1G_AN;
+			else
+				autoc |= IXGBE_AUTOC_LMS_1G_LINK_NO_AN;
+		}
+	}
+
+	if (status == 0) {
+		/* Restart link */
+		autoc |= IXGBE_AUTOC_AN_RESTART;
+		IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
+
+		/* Only poll for autoneg to complete if specified to do so */
+		if (autoneg_wait_to_complete) {
+			if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
+			    link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
+			    link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
+				links_reg = 0; /*Just in case Autoneg time=0*/
+				for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
+					links_reg =
+					       IXGBE_READ_REG(hw, IXGBE_LINKS);
+					if (links_reg & IXGBE_LINKS_KX_AN_COMP)
+						break;
+					msleep(100);
+				}
+				if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
+					status =
+					        IXGBE_ERR_AUTONEG_NOT_COMPLETE;
+					hw_dbg(hw, "Autoneg did not "
+					       "complete.\n");
+				}
+			}
+		}
+
+		/* Set up flow control */
+		status = ixgbe_setup_fc_generic(hw, 0);
+
+		/* Add delay to filter out noises during initial link setup */
+		msleep(50);
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_setup_copper_link_82599 - Setup copper link settings
+ *  @hw: pointer to hardware structure
+ *
+ *  Restarts the link on PHY and then MAC. Performs autonegotiation if needed.
+ **/
+static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw)
+{
+	s32 status;
+
+	/* Restart autonegotiation on PHY */
+	status = hw->phy.ops.setup_link(hw);
+
+	/* Set up MAC */
+	ixgbe_setup_mac_link_82599(hw);
+
+	return status;
+}
+
+/**
+ *  ixgbe_setup_copper_link_speed_82599 - Set the PHY autoneg advertised field
+ *  @hw: pointer to hardware structure
+ *  @speed: new link speed
+ *  @autoneg: true if autonegotiation enabled
+ *  @autoneg_wait_to_complete: true if waiting is needed to complete
+ *
+ *  Restarts link on PHY and MAC based on settings passed in.
+ **/
+static s32 ixgbe_setup_copper_link_speed_82599(struct ixgbe_hw *hw,
+                                               ixgbe_link_speed speed,
+                                               bool autoneg,
+                                               bool autoneg_wait_to_complete)
+{
+	s32 status;
+
+	/* Setup the PHY according to input speed */
+	status = hw->phy.ops.setup_link_speed(hw, speed, autoneg,
+	                                      autoneg_wait_to_complete);
+	/* Set up MAC */
+	ixgbe_setup_mac_link_82599(hw);
+
+	return status;
+}
+
+/**
+ *  ixgbe_reset_hw_82599 - Perform hardware reset
+ *  @hw: pointer to hardware structure
+ *
+ *  Resets the hardware by resetting the transmit and receive units, masks
+ *  and clears all interrupts, perform a PHY reset, and perform a link (MAC)
+ *  reset.
+ **/
+s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
+{
+	s32 status = 0;
+	u32 ctrl, ctrl_ext;
+	u32 i;
+	u32 autoc;
+	u32 autoc2;
+
+	/* Call adapter stop to disable tx/rx and clear interrupts */
+	hw->mac.ops.stop_adapter(hw);
+
+	/* Reset PHY */
+	hw->phy.ops.reset(hw);
+
+	/*
+	 * Prevent the PCI-E bus from from hanging by disabling PCI-E master
+	 * access and verify no pending requests before reset
+	 */
+	if (ixgbe_disable_pcie_master(hw) != 0) {
+		status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
+		hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
+	}
+
+	/*
+	 * Issue global reset to the MAC.  This needs to be a SW reset.
+	 * If link reset is used, it might reset the MAC when mng is using it
+	 */
+	ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
+	IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST));
+	IXGBE_WRITE_FLUSH(hw);
+
+	/* Poll for reset bit to self-clear indicating reset is complete */
+	for (i = 0; i < 10; i++) {
+		udelay(1);
+		ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
+		if (!(ctrl & IXGBE_CTRL_RST))
+			break;
+	}
+	if (ctrl & IXGBE_CTRL_RST) {
+		status = IXGBE_ERR_RESET_FAILED;
+		hw_dbg(hw, "Reset polling failed to complete.\n");
+	}
+	/* Clear PF Reset Done bit so PF/VF Mail Ops can work */
+	ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
+	ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD;
+	IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
+
+	msleep(50);
+
+
+
+	/*
+	 * Store the original AUTOC/AUTOC2 values if they have not been
+	 * stored off yet.  Otherwise restore the stored original
+	 * values since the reset operation sets back to defaults.
+	 */
+	autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
+	autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
+	if (hw->mac.orig_link_settings_stored == false) {
+		hw->mac.orig_autoc = autoc;
+		hw->mac.orig_autoc2 = autoc2;
+		hw->mac.orig_link_settings_stored = true;
+	} else  {
+		if (autoc != hw->mac.orig_autoc)
+			IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (hw->mac.orig_autoc |
+			                IXGBE_AUTOC_AN_RESTART));
+
+		if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) !=
+		    (hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) {
+			autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK;
+			autoc2 |= (hw->mac.orig_autoc2 &
+			           IXGBE_AUTOC2_UPPER_MASK);
+			IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2);
+		}
+	}
+
+	/* Store the permanent mac address */
+	hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
+
+	return status;
+}
+
+/**
+ *  ixgbe_clear_vmdq_82599 - 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_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
+{
+	u32 mpsar_lo, mpsar_hi;
+	u32 rar_entries = hw->mac.num_rar_entries;
+
+	if (rar < rar_entries) {
+		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);
+	} else {
+		hw_dbg(hw, "RAR index %d is out of range.\n", rar);
+	}
+
+done:
+	return 0;
+}
+
+/**
+ *  ixgbe_set_vmdq_82599 - 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_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
+{
+	u32 mpsar;
+	u32 rar_entries = hw->mac.num_rar_entries;
+
+	if (rar < rar_entries) {
+		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);
+		}
+	} else {
+		hw_dbg(hw, "RAR index %d is out of range.\n", rar);
+	}
+	return 0;
+}
+
+/**
+ *  ixgbe_set_vfta_82599 - 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_82599(struct ixgbe_hw *hw, u32 vlan, u32 vind,
+                         bool vlan_on)
+{
+	u32 regindex;
+	u32 bitindex;
+	u32 bits;
+	u32 first_empty_slot;
+
+	if (vlan > 4095)
+		return IXGBE_ERR_PARAM;
+
+	/*
+	 * this is a 2 part operation - first the VFTA, then the
+	 * VLVF and VLVFB if vind is set
+	 */
+
+	/* 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;
+	bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
+	if (vlan_on)
+		bits |= (1 << bitindex);
+	else
+		bits &= ~(1 << bitindex);
+	IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
+
+
+	/* Part 2
+	 * If the vind 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
+	 */
+	if (vind) {
+		/* find the vlanid or the first empty slot */
+		first_empty_slot = 0;
+
+		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 >= IXGBE_VLVF_ENTRIES) {
+			if (first_empty_slot)
+				regindex = first_empty_slot;
+			else {
+				hw_dbg(hw, "No space in VLVF.\n");
+				goto out;
+			}
+		}
+
+		if (vlan_on) {
+			/* set the pool bit */
+			if (vind < 32) {
+				bits = IXGBE_READ_REG(hw,
+				                    IXGBE_VLVFB(regindex * 2));
+				bits |= (1 << vind);
+				IXGBE_WRITE_REG(hw,
+				              IXGBE_VLVFB(regindex * 2), bits);
+			} else {
+				bits = IXGBE_READ_REG(hw,
+				              IXGBE_VLVFB((regindex * 2) + 1));
+				bits |= (1 << vind);
+				IXGBE_WRITE_REG(hw,
+				        IXGBE_VLVFB((regindex * 2) + 1), bits);
+			}
+		} else {
+			/* clear the pool bit */
+			if (vind < 32) {
+				bits = IXGBE_READ_REG(hw,
+				     IXGBE_VLVFB(regindex * 2));
+			bits &= ~(1 << vind);
+				IXGBE_WRITE_REG(hw,
+				              IXGBE_VLVFB(regindex * 2), bits);
+				bits |= IXGBE_READ_REG(hw,
+				              IXGBE_VLVFB((regindex * 2) + 1));
+			} else {
+				bits = IXGBE_READ_REG(hw,
+				              IXGBE_VLVFB((regindex * 2) + 1));
+				bits &= ~(1 << vind);
+				IXGBE_WRITE_REG(hw,
+				        IXGBE_VLVFB((regindex * 2) + 1), bits);
+				bits |= IXGBE_READ_REG(hw,
+				                    IXGBE_VLVFB(regindex * 2));
+			}
+		}
+
+		if (bits)
+			IXGBE_WRITE_REG(hw, IXGBE_VLVF(regindex),
+			                (IXGBE_VLVF_VIEN | vlan));
+		else
+			IXGBE_WRITE_REG(hw, IXGBE_VLVF(regindex), 0);
+	}
+
+out:
+	return 0;
+}
+
+/**
+ *  ixgbe_clear_vfta_82599 - 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_82599(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_blink_led_start_82599 - Blink LED based on index.
+ *  @hw: pointer to hardware structure
+ *  @index: led number to blink
+ **/
+s32 ixgbe_blink_led_start_82599(struct ixgbe_hw *hw, u32 index)
+{
+	u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+	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_82599 - Stop blinking LED based on index.
+ *  @hw: pointer to hardware structure
+ *  @index: led number to stop blinking
+ **/
+s32 ixgbe_blink_led_stop_82599(struct ixgbe_hw *hw, u32 index)
+{
+	u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
+
+	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_init_uta_tables_82599 - Initialize the Unicast Table Array
+ *  @hw: pointer to hardware structure
+ **/
+s32 ixgbe_init_uta_tables_82599(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_read_analog_reg8_82599 - Reads 8 bit Omer analog register
+ *  @hw: pointer to hardware structure
+ *  @reg: analog register to read
+ *  @val: read value
+ *
+ *  Performs read operation to Omer analog register specified.
+ **/
+s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val)
+{
+	u32  core_ctl;
+
+	IXGBE_WRITE_REG(hw, IXGBE_CORECTL, IXGBE_CORECTL_WRITE_CMD |
+	                (reg << 8));
+	IXGBE_WRITE_FLUSH(hw);
+	udelay(10);
+	core_ctl = IXGBE_READ_REG(hw, IXGBE_CORECTL);
+	*val = (u8)core_ctl;
+
+	return 0;
+}
+
+/**
+ *  ixgbe_write_analog_reg8_82599 - Writes 8 bit Omer analog register
+ *  @hw: pointer to hardware structure
+ *  @reg: atlas register to write
+ *  @val: value to write
+ *
+ *  Performs write operation to Omer analog register specified.
+ **/
+s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val)
+{
+	u32  core_ctl;
+
+	core_ctl = (reg << 8) | val;
+	IXGBE_WRITE_REG(hw, IXGBE_CORECTL, core_ctl);
+	IXGBE_WRITE_FLUSH(hw);
+	udelay(10);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_start_hw_82599 - Prepare hardware for Tx/Rx
+ *  @hw: pointer to hardware structure
+ *
+ *  Starts the hardware using the generic start_hw function.
+ *  Then performs device-specific:
+ *  Clears the rate limiter registers.
+ **/
+s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw)
+{
+	u32 q_num;
+
+	ixgbe_start_hw_generic(hw);
+
+	/* Clear the rate limiters */
+	for (q_num = 0; q_num < hw->mac.max_tx_queues; q_num++) {
+		IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, q_num);
+		IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, 0);
+	}
+	IXGBE_WRITE_FLUSH(hw);
+
+	return 0;
+}
+
+/**
+ *  ixgbe_identify_phy_82599 - Get physical layer module
+ *  @hw: pointer to hardware structure
+ *
+ *  Determines the physical layer module found on the current adapter.
+ **/
+s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw)
+{
+	s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
+	status = ixgbe_identify_phy_generic(hw);
+	if (status != 0)
+		status = ixgbe_identify_sfp_module_generic(hw);
+	return status;
+}
+
+/**
+ *  ixgbe_get_supported_physical_layer_82599 - Returns physical layer type
+ *  @hw: pointer to hardware structure
+ *
+ *  Determines physical layer capabilities of the current configuration.
+ **/
+u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw)
+{
+	u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
+
+	switch (hw->device_id) {
+	case IXGBE_DEV_ID_82599:
+	case IXGBE_DEV_ID_82599_KX4:
+		/* Default device ID is mezzanine card KX/KX4 */
+		physical_layer = (IXGBE_PHYSICAL_LAYER_10GBASE_KX4 |
+		                  IXGBE_PHYSICAL_LAYER_1000BASE_KX);
+		break;
+	case IXGBE_DEV_ID_82599_SFP:
+		hw->phy.ops.identify_sfp(hw);
+
+		switch (hw->phy.sfp_type) {
+		case ixgbe_sfp_type_da_cu:
+			physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
+			break;
+		case ixgbe_sfp_type_sr:
+			physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
+			break;
+		case ixgbe_sfp_type_lr:
+			physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
+			break;
+		default:
+			physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
+			break;
+		}
+		break;
+	default:
+		physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
+		break;
+	}
+
+	return physical_layer;
+}
+
+/**
+ *  ixgbe_enable_rx_dma_82599 - Enable the Rx DMA unit on 82599
+ *  @hw: pointer to hardware structure
+ *  @regval: register value to write to RXCTRL
+ *
+ *  Enables the Rx DMA unit for 82599
+ **/
+s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval)
+{
+#define IXGBE_MAX_SECRX_POLL 30
+	int i;
+	int secrxreg;
+
+	/*
+	 * Workaround for 82599 silicon errata when enabling the Rx datapath.
+	 * If traffic is incoming before we enable the Rx unit, it could hang
+	 * the Rx DMA unit.  Therefore, make sure the security engine is
+	 * completely disabled prior to enabling the Rx unit.
+	 */
+	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
+			udelay(10);
+	}
+
+	/* 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");
+
+	IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval);
+	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;
+}
+
+static struct ixgbe_mac_operations mac_ops_82599 = {
+	.init_hw                = &ixgbe_init_hw_generic,
+	.reset_hw               = &ixgbe_reset_hw_82599,
+	.start_hw               = &ixgbe_start_hw_82599,
+	.clear_hw_cntrs         = &ixgbe_clear_hw_cntrs_generic,
+	.get_media_type         = &ixgbe_get_media_type_82599,
+	.get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82599,
+	.enable_rx_dma          = &ixgbe_enable_rx_dma_82599,
+	.get_mac_addr           = &ixgbe_get_mac_addr_generic,
+	.stop_adapter           = &ixgbe_stop_adapter_generic,
+	.get_bus_info           = &ixgbe_get_bus_info_generic,
+	.set_lan_id             = &ixgbe_set_lan_id_multi_port_pcie,
+	.read_analog_reg8       = &ixgbe_read_analog_reg8_82599,
+	.write_analog_reg8      = &ixgbe_write_analog_reg8_82599,
+	.setup_link             = &ixgbe_setup_mac_link_82599,
+	.setup_link_speed       = &ixgbe_setup_mac_link_speed_82599,
+	.check_link             = &ixgbe_check_mac_link_82599,
+	.get_link_capabilities  = &ixgbe_get_link_capabilities_82599,
+	.led_on                 = &ixgbe_led_on_generic,
+	.led_off                = &ixgbe_led_off_generic,
+	.blink_led_start        = &ixgbe_blink_led_start_82599,
+	.blink_led_stop         = &ixgbe_blink_led_stop_82599,
+	.set_rar                = &ixgbe_set_rar_generic,
+	.clear_rar              = &ixgbe_clear_rar_generic,
+	.set_vmdq               = &ixgbe_set_vmdq_82599,
+	.clear_vmdq             = &ixgbe_clear_vmdq_82599,
+	.init_rx_addrs          = &ixgbe_init_rx_addrs_generic,
+	.update_uc_addr_list    = &ixgbe_update_uc_addr_list_generic,
+	.update_mc_addr_list    = &ixgbe_update_mc_addr_list_generic,
+	.enable_mc              = &ixgbe_enable_mc_generic,
+	.disable_mc             = &ixgbe_disable_mc_generic,
+	.clear_vfta             = &ixgbe_clear_vfta_82599,
+	.set_vfta               = &ixgbe_set_vfta_82599,
+	.setup_fc               = &ixgbe_setup_fc_generic,
+	.init_uta_tables        = &ixgbe_init_uta_tables_82599,
+	.setup_sfp              = &ixgbe_setup_sfp_modules_82599,
+};
+
+static struct ixgbe_eeprom_operations eeprom_ops_82599 = {
+	.init_params            = &ixgbe_init_eeprom_params_generic,
+	.read                   = &ixgbe_read_eeprom_generic,
+	.write                  = &ixgbe_write_eeprom_generic,
+	.validate_checksum      = &ixgbe_validate_eeprom_checksum_generic,
+	.update_checksum        = &ixgbe_update_eeprom_checksum_generic,
+};
+
+static struct ixgbe_phy_operations phy_ops_82599 = {
+	.identify               = &ixgbe_identify_phy_82599,
+	.identify_sfp           = &ixgbe_identify_sfp_module_generic,
+	.reset                  = &ixgbe_reset_phy_generic,
+	.read_reg               = &ixgbe_read_phy_reg_generic,
+	.write_reg              = &ixgbe_write_phy_reg_generic,
+	.setup_link             = &ixgbe_setup_phy_link_generic,
+	.setup_link_speed       = &ixgbe_setup_phy_link_speed_generic,
+	.read_i2c_byte          = &ixgbe_read_i2c_byte_generic,
+	.write_i2c_byte         = &ixgbe_write_i2c_byte_generic,
+	.read_i2c_eeprom        = &ixgbe_read_i2c_eeprom_generic,
+	.write_i2c_eeprom       = &ixgbe_write_i2c_eeprom_generic,
+};
+
+struct ixgbe_info ixgbe_82599_info = {
+	.mac                    = ixgbe_mac_82599EB,
+	.get_invariants         = &ixgbe_get_invariants_82599,
+	.mac_ops                = &mac_ops_82599,
+	.eeprom_ops             = &eeprom_ops_82599,
+	.phy_ops                = &phy_ops_82599,
+};

drivers/net/ixgbe/ixgbe_common.c

@@ -29,6 +29,7 @@
 #include <linux/delay.h>
 #include <linux/sched.h>
 
+#include "ixgbe.h"
 #include "ixgbe_common.h"
 #include "ixgbe_phy.h"
 
@@ -250,6 +251,81 @@ s32 ixgbe_get_mac_addr_generic(struct ixgbe_hw *hw, u8 *mac_addr)
 	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_adapter *adapter = hw->back;
+	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 */
+	pci_read_config_word(adapter->pdev, IXGBE_PCI_LINK_STATUS,
+	                     &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;
+	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
@@ -389,6 +465,73 @@ s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw)
 	return 0;
 }
 
+/**
+ *  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;
+	u8 write_opcode = IXGBE_EEPROM_WRITE_OPCODE_SPI;
+
+	hw->eeprom.ops.init_params(hw);
+
+	if (offset >= hw->eeprom.word_size) {
+		status = IXGBE_ERR_EEPROM;
+		goto out;
+	}
+
+	/* 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) {
+		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 >= 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*2),
+		                            hw->eeprom.address_bits);
+
+		/* Send the data */
+		data = (data >> 8) | (data << 8);
+		ixgbe_shift_out_eeprom_bits(hw, data, 16);
+		ixgbe_standby_eeprom(hw);
+
+		msleep(hw->eeprom.semaphore_delay);
+		/* Done with writing - release the EEPROM */
+		ixgbe_release_eeprom(hw);
+	}
+
+out:
+	return status;
+}
+
 /**
  *  ixgbe_read_eeprom_bit_bang_generic - Read EEPROM word using bit-bang
  *  @hw: pointer to hardware structure
@@ -1486,6 +1629,101 @@ s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw)
 	return 0;
 }
 
+/**
+ *  ixgbe_fc_enable - Enable flow control
+ *  @hw: pointer to hardware structure
+ *  @packetbuf_num: packet buffer number (0-7)
+ *
+ *  Enable flow control according to the current settings.
+ **/
+s32 ixgbe_fc_enable(struct ixgbe_hw *hw, s32 packetbuf_num)
+{
+	s32 ret_val = 0;
+	u32 mflcn_reg;
+	u32 fccfg_reg;
+	u32 reg;
+
+	mflcn_reg = IXGBE_READ_REG(hw, IXGBE_MFLCN);
+	mflcn_reg &= ~(IXGBE_MFLCN_RFCE | IXGBE_MFLCN_RPFCE);
+
+	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 completely disabled by software override. */
+		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;
+	}
+
+	/* Enable 802.3x based flow control settings. */
+	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. */
+	if (hw->fc.current_mode & ixgbe_fc_tx_pause) {
+		if (hw->fc.send_xon)
+			IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(packetbuf_num),
+			                (hw->fc.low_water | IXGBE_FCRTL_XONE));
+		else
+			IXGBE_WRITE_REG(hw, IXGBE_FCRTL_82599(packetbuf_num),
+			                hw->fc.low_water);
+
+		IXGBE_WRITE_REG(hw, IXGBE_FCRTH_82599(packetbuf_num),
+		                (hw->fc.high_water | IXGBE_FCRTH_FCEN));
+	}
+
+	/* Configure pause time (2 TCs per register) */
+	reg = IXGBE_READ_REG(hw, IXGBE_FCTTV(packetbuf_num));
+	if ((packetbuf_num & 1) == 0)
+		reg = (reg & 0xFFFF0000) | hw->fc.pause_time;
+	else
+		reg = (reg & 0x0000FFFF) | (hw->fc.pause_time << 16);
+	IXGBE_WRITE_REG(hw, IXGBE_FCTTV(packetbuf_num / 2), reg);
+
+	IXGBE_WRITE_REG(hw, IXGBE_FCRTV, (hw->fc.pause_time >> 1));
+
+out:
+	return ret_val;
+}
+
 /**
  *  ixgbe_fc_autoneg - Configure flow control
  *  @hw: pointer to hardware structure
@@ -1624,6 +1862,74 @@ out:
 	return ret_val;
 }
 
+/**
+ *  ixgbe_setup_fc_generic - Set up flow control
+ *  @hw: pointer to hardware structure
+ *
+ *  Sets up flow control.
+ **/
+s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw, s32 packetbuf_num)
+{
+	s32 ret_val = 0;
+	ixgbe_link_speed speed;
+	bool link_up;
+
+	/* Validate the packetbuf configuration */
+	if (packetbuf_num < 0 || packetbuf_num > 7) {
+		hw_dbg(hw, "Invalid packet buffer number [%d], expected range "
+		       "is 0-7\n", packetbuf_num);
+		ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
+		goto out;
+	}
+
+	/*
+	 * Validate the water mark configuration.  Zero water marks are invalid
+	 * because it causes the controller to just blast out fc packets.
+	 */
+	if (!hw->fc.low_water || !hw->fc.high_water || !hw->fc.pause_time) {
+		hw_dbg(hw, "Invalid water mark configuration\n");
+		ret_val = IXGBE_ERR_INVALID_LINK_SETTINGS;
+		goto out;
+	}
+
+	/*
+	 * Validate the requested mode.  Strict IEEE mode does not allow
+	 * ixgbe_fc_rx_pause because it will cause testing anomalies.
+	 */
+	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;
+
+	/*
+	 * Save off the requested flow control mode for use later.  Depending
+	 * on the link partner's capabilities, we may or may not use this mode.
+	 */
+	hw->fc.current_mode = hw->fc.requested_mode;
+
+	/* Decide whether to use autoneg or not. */
+	hw->mac.ops.check_link(hw, &speed, &link_up, false);
+	if (hw->phy.multispeed_fiber && (speed == IXGBE_LINK_SPEED_1GB_FULL))
+		ret_val = ixgbe_fc_autoneg(hw);
+
+	if (ret_val)
+		goto out;
+
+	ret_val = ixgbe_fc_enable(hw, packetbuf_num);
+
+out:
+	return ret_val;
+}
+
 /**
  *  ixgbe_disable_pcie_master - Disable PCI-express master access
  *  @hw: pointer to hardware structure
@@ -1732,3 +2038,16 @@ void ixgbe_release_swfw_sync(struct ixgbe_hw *hw, u16 mask)
 	ixgbe_release_eeprom_semaphore(hw);
 }
 
+/**
+ *  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;
+}

drivers/net/ixgbe/ixgbe_common.h

@@ -37,12 +37,14 @@ s32 ixgbe_clear_hw_cntrs_generic(struct ixgbe_hw *hw);
 s32 ixgbe_read_pba_num_generic(struct ixgbe_hw *hw, u32 *pba_num);
 s32 ixgbe_get_mac_addr_generic(struct ixgbe_hw *hw, u8 *mac_addr);
 s32 ixgbe_get_bus_info_generic(struct ixgbe_hw *hw);
+void ixgbe_set_lan_id_multi_port_pcie(struct ixgbe_hw *hw);
 s32 ixgbe_stop_adapter_generic(struct ixgbe_hw *hw);
 
 s32 ixgbe_led_on_generic(struct ixgbe_hw *hw, u32 index);
 s32 ixgbe_led_off_generic(struct ixgbe_hw *hw, u32 index);
 
 s32 ixgbe_init_eeprom_params_generic(struct ixgbe_hw *hw);
+s32 ixgbe_write_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 data);
 s32 ixgbe_read_eeprom_generic(struct ixgbe_hw *hw, u16 offset, u16 *data);
 s32 ixgbe_read_eeprom_bit_bang_generic(struct ixgbe_hw *hw, u16 offset,
                                        u16 *data);
@@ -61,6 +63,7 @@ s32 ixgbe_update_uc_addr_list_generic(struct ixgbe_hw *hw, u8 *addr_list,
                                       u32 addr_count, ixgbe_mc_addr_itr func);
 s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw);
 s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw);
+s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval);
 s32 ixgbe_setup_fc_generic(struct ixgbe_hw *hw, s32 packetbuf_num);
 s32 ixgbe_fc_enable(struct ixgbe_hw *hw, s32 packtetbuf_num);
 s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw);
@@ -75,6 +78,13 @@ s32 ixgbe_write_analog_reg8_generic(struct ixgbe_hw *hw, u32 reg, u8 val);
 
 #define IXGBE_WRITE_REG(a, reg, value) writel((value), ((a)->hw_addr + (reg)))
 
+#ifndef writeq
+#define writeq(val, addr) writel((u32) (val), addr); \
+    writel((u32) (val >> 32), (addr + 4));
+#endif
+
+#define IXGBE_WRITE_REG64(a, reg, value) writeq((value), ((a)->hw_addr + (reg)))
+
 #define IXGBE_READ_REG(a, reg) readl((a)->hw_addr + (reg))
 
 #define IXGBE_WRITE_REG_ARRAY(a, reg, offset, value) (\

drivers/net/ixgbe/ixgbe_ethtool.c

@@ -469,7 +469,7 @@ static void ixgbe_get_regs(struct net_device *netdev,
 	regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 	regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 	regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
-	regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT);
+	regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 
 	regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 	regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);

drivers/net/ixgbe/ixgbe_phy.c

@@ -32,6 +32,18 @@
 #include "ixgbe_common.h"
 #include "ixgbe_phy.h"
 
+static void ixgbe_i2c_start(struct ixgbe_hw *hw);
+static void ixgbe_i2c_stop(struct ixgbe_hw *hw);
+static s32 ixgbe_clock_in_i2c_byte(struct ixgbe_hw *hw, u8 *data);
+static s32 ixgbe_clock_out_i2c_byte(struct ixgbe_hw *hw, u8 data);
+static s32 ixgbe_get_i2c_ack(struct ixgbe_hw *hw);
+static s32 ixgbe_clock_in_i2c_bit(struct ixgbe_hw *hw, bool *data);
+static s32 ixgbe_clock_out_i2c_bit(struct ixgbe_hw *hw, bool data);
+static s32 ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl);
+static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl);
+static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data);
+static bool ixgbe_get_i2c_data(u32 *i2cctl);
+static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw);
 static bool ixgbe_validate_phy_addr(struct ixgbe_hw *hw, u32 phy_addr);
 static enum ixgbe_phy_type ixgbe_get_phy_type_from_id(u32 phy_id);
 static s32 ixgbe_get_phy_id(struct ixgbe_hw *hw);
@@ -543,8 +555,9 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
 	u8 identifier = 0;
 	u8 comp_codes_1g = 0;
 	u8 comp_codes_10g = 0;
-	u8 oui_bytes[4] = {0, 0, 0, 0};
+	u8 oui_bytes[3] = {0, 0, 0};
 	u8 transmission_media = 0;
+	u16 enforce_sfp = 0;
 
 	status = hw->phy.ops.read_i2c_eeprom(hw, IXGBE_SFF_IDENTIFIER,
 	                                     &identifier);
@@ -564,18 +577,48 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
 
 		/* ID Module
 		 * =========
-		 * 0	SFP_DA_CU
-		 * 1	SFP_SR
-		 * 2	SFP_LR
+		 * 0    SFP_DA_CU
+		 * 1    SFP_SR
+		 * 2    SFP_LR
+		 * 3    SFP_DA_CORE0 - 82599-specific
+		 * 4    SFP_DA_CORE1 - 82599-specific
+		 * 5    SFP_SR/LR_CORE0 - 82599-specific
+		 * 6    SFP_SR/LR_CORE1 - 82599-specific
 		 */
-		if (transmission_media & IXGBE_SFF_TWIN_AX_CAPABLE)
-			hw->phy.sfp_type = ixgbe_sfp_type_da_cu;
-		else if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
-			hw->phy.sfp_type = ixgbe_sfp_type_sr;
-		else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)
-			hw->phy.sfp_type = ixgbe_sfp_type_lr;
-		else
-			hw->phy.sfp_type = ixgbe_sfp_type_unknown;
+		if (hw->mac.type == ixgbe_mac_82598EB) {
+			if (transmission_media & IXGBE_SFF_TWIN_AX_CAPABLE)
+				hw->phy.sfp_type = ixgbe_sfp_type_da_cu;
+			else if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
+				hw->phy.sfp_type = ixgbe_sfp_type_sr;
+			else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)
+				hw->phy.sfp_type = ixgbe_sfp_type_lr;
+			else
+				hw->phy.sfp_type = ixgbe_sfp_type_unknown;
+		} else if (hw->mac.type == ixgbe_mac_82599EB) {
+			if (transmission_media & IXGBE_SFF_TWIN_AX_CAPABLE)
+				if (hw->bus.lan_id == 0)
+					hw->phy.sfp_type =
+					             ixgbe_sfp_type_da_cu_core0;
+				else
+					hw->phy.sfp_type =
+					             ixgbe_sfp_type_da_cu_core1;
+			else if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
+				if (hw->bus.lan_id == 0)
+					hw->phy.sfp_type =
+					              ixgbe_sfp_type_srlr_core0;
+				else
+					hw->phy.sfp_type =
+					              ixgbe_sfp_type_srlr_core1;
+			else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)
+				if (hw->bus.lan_id == 0)
+					hw->phy.sfp_type =
+					              ixgbe_sfp_type_srlr_core0;
+				else
+					hw->phy.sfp_type =
+					              ixgbe_sfp_type_srlr_core1;
+			else
+				hw->phy.sfp_type = ixgbe_sfp_type_unknown;
+		}
 
 		/* Determine PHY vendor */
 		if (hw->phy.type == ixgbe_phy_unknown) {
@@ -607,6 +650,9 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
 			case IXGBE_SFF_VENDOR_OUI_AVAGO:
 				hw->phy.type = ixgbe_phy_sfp_avago;
 				break;
+			case IXGBE_SFF_VENDOR_OUI_INTEL:
+				hw->phy.type = ixgbe_phy_sfp_intel;
+				break;
 			default:
 				if (transmission_media &
 				    IXGBE_SFF_TWIN_AX_CAPABLE)
@@ -616,7 +662,28 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
 				break;
 			}
 		}
-		status = 0;
+		if (hw->mac.type == ixgbe_mac_82598EB ||
+		    (hw->phy.sfp_type != ixgbe_sfp_type_sr &&
+		     hw->phy.sfp_type != ixgbe_sfp_type_lr &&
+		     hw->phy.sfp_type != ixgbe_sfp_type_srlr_core0 &&
+		     hw->phy.sfp_type != ixgbe_sfp_type_srlr_core1)) {
+			status = 0;
+			goto out;
+		}
+
+		hw->eeprom.ops.read(hw, IXGBE_PHY_ENFORCE_INTEL_SFP_OFFSET,
+		                    &enforce_sfp);
+		if (!(enforce_sfp & IXGBE_PHY_ALLOW_ANY_SFP)) {
+			/* Make sure we're a supported PHY type */
+			if (hw->phy.type == ixgbe_phy_sfp_intel) {
+				status = 0;
+			} else {
+				hw_dbg(hw, "SFP+ module not supported\n");
+				status = IXGBE_ERR_SFP_NOT_SUPPORTED;
+			}
+		} else {
+			status = 0;
+		}
 	}
 
 out:
@@ -651,7 +718,7 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
 	hw->eeprom.ops.read(hw, IXGBE_PHY_INIT_OFFSET_NL, list_offset);
 
 	if ((!*list_offset) || (*list_offset == 0xFFFF))
-		return IXGBE_ERR_PHY;
+		return IXGBE_ERR_SFP_NO_INIT_SEQ_PRESENT;
 
 	/* Shift offset to first ID word */
 	(*list_offset)++;
@@ -687,6 +754,501 @@ s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
 	return 0;
 }
 
+/**
+ *  ixgbe_read_i2c_eeprom_generic - Reads 8 bit EEPROM word over I2C interface
+ *  @hw: pointer to hardware structure
+ *  @byte_offset: EEPROM byte offset to read
+ *  @eeprom_data: value read
+ *
+ *  Performs byte read operation to SFP module's EEPROM over I2C interface.
+ **/
+s32 ixgbe_read_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
+                                  u8 *eeprom_data)
+{
+	return hw->phy.ops.read_i2c_byte(hw, byte_offset,
+	                                 IXGBE_I2C_EEPROM_DEV_ADDR,
+	                                 eeprom_data);
+}
+
+/**
+ *  ixgbe_write_i2c_eeprom_generic - Writes 8 bit EEPROM word over I2C interface
+ *  @hw: pointer to hardware structure
+ *  @byte_offset: EEPROM byte offset to write
+ *  @eeprom_data: value to write
+ *
+ *  Performs byte write operation to SFP module's EEPROM over I2C interface.
+ **/
+s32 ixgbe_write_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
+                                   u8 eeprom_data)
+{
+	return hw->phy.ops.write_i2c_byte(hw, byte_offset,
+	                                  IXGBE_I2C_EEPROM_DEV_ADDR,
+	                                  eeprom_data);
+}
+
+/**
+ *  ixgbe_read_i2c_byte_generic - Reads 8 bit word over I2C
+ *  @hw: pointer to hardware structure
+ *  @byte_offset: byte offset to read
+ *  @data: value read
+ *
+ *  Performs byte read operation to SFP module's EEPROM over I2C interface at
+ *  a specified deivce address.
+ **/
+s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
+                                u8 dev_addr, u8 *data)
+{
+	s32 status = 0;
+	u32 max_retry = 1;
+	u32 retry = 0;
+	bool nack = 1;
+
+	do {
+		ixgbe_i2c_start(hw);
+
+		/* Device Address and write indication */
+		status = ixgbe_clock_out_i2c_byte(hw, dev_addr);
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_get_i2c_ack(hw);
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_clock_out_i2c_byte(hw, byte_offset);
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_get_i2c_ack(hw);
+		if (status != 0)
+			goto fail;
+
+		ixgbe_i2c_start(hw);
+
+		/* Device Address and read indication */
+		status = ixgbe_clock_out_i2c_byte(hw, (dev_addr | 0x1));
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_get_i2c_ack(hw);
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_clock_in_i2c_byte(hw, data);
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_clock_out_i2c_bit(hw, nack);
+		if (status != 0)
+			goto fail;
+
+		ixgbe_i2c_stop(hw);
+		break;
+
+fail:
+		ixgbe_i2c_bus_clear(hw);
+		retry++;
+		if (retry < max_retry)
+			hw_dbg(hw, "I2C byte read error - Retrying.\n");
+		else
+			hw_dbg(hw, "I2C byte read error.\n");
+
+	} while (retry < max_retry);
+
+	return status;
+}
+
+/**
+ *  ixgbe_write_i2c_byte_generic - Writes 8 bit word over I2C
+ *  @hw: pointer to hardware structure
+ *  @byte_offset: byte offset to write
+ *  @data: value to write
+ *
+ *  Performs byte write operation to SFP module's EEPROM over I2C interface at
+ *  a specified device address.
+ **/
+s32 ixgbe_write_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
+                                 u8 dev_addr, u8 data)
+{
+	s32 status = 0;
+	u32 max_retry = 1;
+	u32 retry = 0;
+
+	do {
+		ixgbe_i2c_start(hw);
+
+		status = ixgbe_clock_out_i2c_byte(hw, dev_addr);
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_get_i2c_ack(hw);
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_clock_out_i2c_byte(hw, byte_offset);
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_get_i2c_ack(hw);
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_clock_out_i2c_byte(hw, data);
+		if (status != 0)
+			goto fail;
+
+		status = ixgbe_get_i2c_ack(hw);
+		if (status != 0)
+			goto fail;
+
+		ixgbe_i2c_stop(hw);
+		break;
+
+fail:
+		ixgbe_i2c_bus_clear(hw);
+		retry++;
+		if (retry < max_retry)
+			hw_dbg(hw, "I2C byte write error - Retrying.\n");
+		else
+			hw_dbg(hw, "I2C byte write error.\n");
+	} while (retry < max_retry);
+
+	return status;
+}
+
+/**
+ *  ixgbe_i2c_start - Sets I2C start condition
+ *  @hw: pointer to hardware structure
+ *
+ *  Sets I2C start condition (High -> Low on SDA while SCL is High)
+ **/
+static void ixgbe_i2c_start(struct ixgbe_hw *hw)
+{
+	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
+
+	/* Start condition must begin with data and clock high */
+	ixgbe_set_i2c_data(hw, &i2cctl, 1);
+	ixgbe_raise_i2c_clk(hw, &i2cctl);
+
+	/* Setup time for start condition (4.7us) */
+	udelay(IXGBE_I2C_T_SU_STA);
+
+	ixgbe_set_i2c_data(hw, &i2cctl, 0);
+
+	/* Hold time for start condition (4us) */
+	udelay(IXGBE_I2C_T_HD_STA);
+
+	ixgbe_lower_i2c_clk(hw, &i2cctl);
+
+	/* Minimum low period of clock is 4.7 us */
+	udelay(IXGBE_I2C_T_LOW);
+
+}
+
+/**
+ *  ixgbe_i2c_stop - Sets I2C stop condition
+ *  @hw: pointer to hardware structure
+ *
+ *  Sets I2C stop condition (Low -> High on SDA while SCL is High)
+ **/
+static void ixgbe_i2c_stop(struct ixgbe_hw *hw)
+{
+	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
+
+	/* Stop condition must begin with data low and clock high */
+	ixgbe_set_i2c_data(hw, &i2cctl, 0);
+	ixgbe_raise_i2c_clk(hw, &i2cctl);
+
+	/* Setup time for stop condition (4us) */
+	udelay(IXGBE_I2C_T_SU_STO);
+
+	ixgbe_set_i2c_data(hw, &i2cctl, 1);
+
+	/* bus free time between stop and start (4.7us)*/
+	udelay(IXGBE_I2C_T_BUF);
+}
+
+/**
+ *  ixgbe_clock_in_i2c_byte - Clocks in one byte via I2C
+ *  @hw: pointer to hardware structure
+ *  @data: data byte to clock in
+ *
+ *  Clocks in one byte data via I2C data/clock
+ **/
+static s32 ixgbe_clock_in_i2c_byte(struct ixgbe_hw *hw, u8 *data)
+{
+	s32 status = 0;
+	s32 i;
+	bool bit = 0;
+
+	for (i = 7; i >= 0; i--) {
+		status = ixgbe_clock_in_i2c_bit(hw, &bit);
+		*data |= bit << i;
+
+		if (status != 0)
+			break;
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_clock_out_i2c_byte - Clocks out one byte via I2C
+ *  @hw: pointer to hardware structure
+ *  @data: data byte clocked out
+ *
+ *  Clocks out one byte data via I2C data/clock
+ **/
+static s32 ixgbe_clock_out_i2c_byte(struct ixgbe_hw *hw, u8 data)
+{
+	s32 status = 0;
+	s32 i;
+	u32 i2cctl;
+	bool bit = 0;
+
+	for (i = 7; i >= 0; i--) {
+		bit = (data >> i) & 0x1;
+		status = ixgbe_clock_out_i2c_bit(hw, bit);
+
+		if (status != 0)
+			break;
+	}
+
+	/* Release SDA line (set high) */
+	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
+	i2cctl |= IXGBE_I2C_DATA_OUT;
+	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, i2cctl);
+
+	return status;
+}
+
+/**
+ *  ixgbe_get_i2c_ack - Polls for I2C ACK
+ *  @hw: pointer to hardware structure
+ *
+ *  Clocks in/out one bit via I2C data/clock
+ **/
+static s32 ixgbe_get_i2c_ack(struct ixgbe_hw *hw)
+{
+	s32 status;
+	u32 i = 0;
+	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
+	u32 timeout = 10;
+	bool ack = 1;
+
+	status = ixgbe_raise_i2c_clk(hw, &i2cctl);
+
+	if (status != 0)
+		goto out;
+
+	/* Minimum high period of clock is 4us */
+	udelay(IXGBE_I2C_T_HIGH);
+
+	/* Poll for ACK.  Note that ACK in I2C spec is
+	 * transition from 1 to 0 */
+	for (i = 0; i < timeout; i++) {
+		i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
+		ack = ixgbe_get_i2c_data(&i2cctl);
+
+		udelay(1);
+		if (ack == 0)
+			break;
+	}
+
+	if (ack == 1) {
+		hw_dbg(hw, "I2C ack was not received.\n");
+		status = IXGBE_ERR_I2C;
+	}
+
+	ixgbe_lower_i2c_clk(hw, &i2cctl);
+
+	/* Minimum low period of clock is 4.7 us */
+	udelay(IXGBE_I2C_T_LOW);
+
+out:
+	return status;
+}
+
+/**
+ *  ixgbe_clock_in_i2c_bit - Clocks in one bit via I2C data/clock
+ *  @hw: pointer to hardware structure
+ *  @data: read data value
+ *
+ *  Clocks in one bit via I2C data/clock
+ **/
+static s32 ixgbe_clock_in_i2c_bit(struct ixgbe_hw *hw, bool *data)
+{
+	s32 status;
+	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
+
+	status = ixgbe_raise_i2c_clk(hw, &i2cctl);
+
+	/* Minimum high period of clock is 4us */
+	udelay(IXGBE_I2C_T_HIGH);
+
+	i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
+	*data = ixgbe_get_i2c_data(&i2cctl);
+
+	ixgbe_lower_i2c_clk(hw, &i2cctl);
+
+	/* Minimum low period of clock is 4.7 us */
+	udelay(IXGBE_I2C_T_LOW);
+
+	return status;
+}
+
+/**
+ *  ixgbe_clock_out_i2c_bit - Clocks in/out one bit via I2C data/clock
+ *  @hw: pointer to hardware structure
+ *  @data: data value to write
+ *
+ *  Clocks out one bit via I2C data/clock
+ **/
+static s32 ixgbe_clock_out_i2c_bit(struct ixgbe_hw *hw, bool data)
+{
+	s32 status;
+	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
+
+	status = ixgbe_set_i2c_data(hw, &i2cctl, data);
+	if (status == 0) {
+		status = ixgbe_raise_i2c_clk(hw, &i2cctl);
+
+		/* Minimum high period of clock is 4us */
+		udelay(IXGBE_I2C_T_HIGH);
+
+		ixgbe_lower_i2c_clk(hw, &i2cctl);
+
+		/* Minimum low period of clock is 4.7 us.
+		 * This also takes care of the data hold time.
+		 */
+		udelay(IXGBE_I2C_T_LOW);
+	} else {
+		status = IXGBE_ERR_I2C;
+		hw_dbg(hw, "I2C data was not set to %X\n", data);
+	}
+
+	return status;
+}
+/**
+ *  ixgbe_raise_i2c_clk - Raises the I2C SCL clock
+ *  @hw: pointer to hardware structure
+ *  @i2cctl: Current value of I2CCTL register
+ *
+ *  Raises the I2C clock line '0'->'1'
+ **/
+static s32 ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl)
+{
+	s32 status = 0;
+
+	*i2cctl |= IXGBE_I2C_CLK_OUT;
+
+	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl);
+
+	/* SCL rise time (1000ns) */
+	udelay(IXGBE_I2C_T_RISE);
+
+	return status;
+}
+
+/**
+ *  ixgbe_lower_i2c_clk - Lowers the I2C SCL clock
+ *  @hw: pointer to hardware structure
+ *  @i2cctl: Current value of I2CCTL register
+ *
+ *  Lowers the I2C clock line '1'->'0'
+ **/
+static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl)
+{
+
+	*i2cctl &= ~IXGBE_I2C_CLK_OUT;
+
+	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl);
+
+	/* SCL fall time (300ns) */
+	udelay(IXGBE_I2C_T_FALL);
+}
+
+/**
+ *  ixgbe_set_i2c_data - Sets the I2C data bit
+ *  @hw: pointer to hardware structure
+ *  @i2cctl: Current value of I2CCTL register
+ *  @data: I2C data value (0 or 1) to set
+ *
+ *  Sets the I2C data bit
+ **/
+static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data)
+{
+	s32 status = 0;
+
+	if (data)
+		*i2cctl |= IXGBE_I2C_DATA_OUT;
+	else
+		*i2cctl &= ~IXGBE_I2C_DATA_OUT;
+
+	IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl);
+
+	/* Data rise/fall (1000ns/300ns) and set-up time (250ns) */
+	udelay(IXGBE_I2C_T_RISE + IXGBE_I2C_T_FALL + IXGBE_I2C_T_SU_DATA);
+
+	/* Verify data was set correctly */
+	*i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
+	if (data != ixgbe_get_i2c_data(i2cctl)) {
+		status = IXGBE_ERR_I2C;
+		hw_dbg(hw, "Error - I2C data was not set to %X.\n", data);
+	}
+
+	return status;
+}
+
+/**
+ *  ixgbe_get_i2c_data - Reads the I2C SDA data bit
+ *  @hw: pointer to hardware structure
+ *  @i2cctl: Current value of I2CCTL register
+ *
+ *  Returns the I2C data bit value
+ **/
+static bool ixgbe_get_i2c_data(u32 *i2cctl)
+{
+	bool data;
+
+	if (*i2cctl & IXGBE_I2C_DATA_IN)
+		data = 1;
+	else
+		data = 0;
+
+	return data;
+}
+
+/**
+ *  ixgbe_i2c_bus_clear - Clears the I2C bus
+ *  @hw: pointer to hardware structure
+ *
+ *  Clears the I2C bus by sending nine clock pulses.
+ *  Used when data line is stuck low.
+ **/
+static void ixgbe_i2c_bus_clear(struct ixgbe_hw *hw)
+{
+	u32 i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
+	u32 i;
+
+	ixgbe_set_i2c_data(hw, &i2cctl, 1);
+
+	for (i = 0; i < 9; i++) {
+		ixgbe_raise_i2c_clk(hw, &i2cctl);
+
+		/* Min high period of clock is 4us */
+		udelay(IXGBE_I2C_T_HIGH);
+
+		ixgbe_lower_i2c_clk(hw, &i2cctl);
+
+		/* Min low period of clock is 4.7us*/
+		udelay(IXGBE_I2C_T_LOW);
+	}
+
+	/* Put the i2c bus back to default state */
+	ixgbe_i2c_stop(hw);
+}
+
 /**
  *  ixgbe_check_phy_link_tnx - Determine link and speed status
  *  @hw: pointer to hardware structure

drivers/net/ixgbe/ixgbe_phy.h

@@ -54,14 +54,15 @@
 #define IXGBE_I2C_EEPROM_STATUS_IN_PROGRESS  0x3
 
 /* Bit-shift macros */
-#define IXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT    12
-#define IXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT    8
-#define IXGBE_SFF_VENDOR_OUI_BYTE2_SHIFT    4
+#define IXGBE_SFF_VENDOR_OUI_BYTE0_SHIFT    24
+#define IXGBE_SFF_VENDOR_OUI_BYTE1_SHIFT    16
+#define IXGBE_SFF_VENDOR_OUI_BYTE2_SHIFT    8
 
 /* Vendor OUIs: format of OUI is 0x[byte0][byte1][byte2][00] */
 #define IXGBE_SFF_VENDOR_OUI_TYCO     0x00407600
 #define IXGBE_SFF_VENDOR_OUI_FTL      0x00906500
 #define IXGBE_SFF_VENDOR_OUI_AVAGO    0x00176A00
+#define IXGBE_SFF_VENDOR_OUI_INTEL    0x001B2100
 
 /* I2C SDA and SCL timing parameters for standard mode */
 #define IXGBE_I2C_T_HD_STA  4
@@ -101,5 +102,12 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw);
 s32 ixgbe_get_sfp_init_sequence_offsets(struct ixgbe_hw *hw,
                                         u16 *list_offset,
                                         u16 *data_offset);
-
+s32 ixgbe_read_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
+                                u8 dev_addr, u8 *data);
+s32 ixgbe_write_i2c_byte_generic(struct ixgbe_hw *hw, u8 byte_offset,
+                                 u8 dev_addr, u8 data);
+s32 ixgbe_read_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
+                                  u8 *eeprom_data);
+s32 ixgbe_write_i2c_eeprom_generic(struct ixgbe_hw *hw, u8 byte_offset,
+                                   u8 eeprom_data);
 #endif /* _IXGBE_PHY_H_ */