pci/ixgbe/ixgbe_api.c

/******************************************************************************

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  modification, are permitted provided that the following conditions are met:

   1. Redistributions of source code must retain the above copyright notice,
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      contributors may be used to endorse or promote products derived from
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  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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******************************************************************************/
/*$FreeBSD: head/sys/dev/ixgbe/ixgbe_api.c 247822 2013-03-04 23:07:40Z jfv $*/
/*$NetBSD: ixgbe_api.c,v 1.7 2015/04/24 07:00:51 msaitoh Exp $*/

#include "ixgbe_api.h"
#include "ixgbe_common.h"

/**
 *  ixgbe_init_shared_code - Initialize the shared code
 *  @hw: pointer to hardware structure
 *
 *  This will assign function pointers and assign the MAC type and PHY code.
 *  Does not touch the hardware. This function must be called prior to any
 *  other function in the shared code. The ixgbe_hw structure should be
 *  memset to 0 prior to calling this function.  The following fields in
 *  hw structure should be filled in prior to calling this function:
 *  back, device_id, vendor_id, subsystem_device_id,
 *  subsystem_vendor_id, and revision_id
 **/
s32 ixgbe_init_shared_code(struct ixgbe_hw *hw)
{
	s32 status;

	DEBUGFUNC("ixgbe_init_shared_code");

	/*
	 * Set the mac type
	 */
	ixgbe_set_mac_type(hw);

	switch (hw->mac.type) {
	case ixgbe_mac_82598EB:
		status = ixgbe_init_ops_82598(hw);
		break;
	case ixgbe_mac_82599EB:
		status = ixgbe_init_ops_82599(hw);
		break;
	case ixgbe_mac_82599_vf:
	case ixgbe_mac_X540_vf:
		status = ixgbe_init_ops_vf(hw);
		break;
	case ixgbe_mac_X540:
		status = ixgbe_init_ops_X540(hw);
		break;
	default:
		status = IXGBE_ERR_DEVICE_NOT_SUPPORTED;
		break;
	}

	return status;
}

/**
 *  ixgbe_set_mac_type - Sets MAC type
 *  @hw: pointer to the HW structure
 *
 *  This function sets the mac type of the adapter based on the
 *  vendor ID and device ID stored in the hw structure.
 **/
s32 ixgbe_set_mac_type(struct ixgbe_hw *hw)
{
	s32 ret_val = IXGBE_SUCCESS;

	DEBUGFUNC("ixgbe_set_mac_type\n");

	switch (hw->device_id) {
	case IXGBE_DEV_ID_82598:
	case IXGBE_DEV_ID_82598_BX:
	case IXGBE_DEV_ID_82598AF_SINGLE_PORT:
	case IXGBE_DEV_ID_82598AF_DUAL_PORT:
	case IXGBE_DEV_ID_82598AT:
	case IXGBE_DEV_ID_82598AT2:
	case IXGBE_DEV_ID_82598EB_CX4:
	case IXGBE_DEV_ID_82598_CX4_DUAL_PORT:
	case IXGBE_DEV_ID_82598_DA_DUAL_PORT:
	case IXGBE_DEV_ID_82598_SR_DUAL_PORT_EM:
	case IXGBE_DEV_ID_82598EB_XF_LR:
	case IXGBE_DEV_ID_82598EB_SFP_LOM:
		hw->mac.type = ixgbe_mac_82598EB;
		break;
	case IXGBE_DEV_ID_82599_KX4:
	case IXGBE_DEV_ID_82599_KX4_MEZZ:
	case IXGBE_DEV_ID_82599_XAUI_LOM:
	case IXGBE_DEV_ID_82599_COMBO_BACKPLANE:
	case IXGBE_DEV_ID_82599_KR:
	case IXGBE_DEV_ID_82599_SFP:
	case IXGBE_DEV_ID_82599_BACKPLANE_FCOE:
	case IXGBE_DEV_ID_82599_SFP_FCOE:
	case IXGBE_DEV_ID_82599_SFP_EM:
	case IXGBE_DEV_ID_82599_SFP_SF2:
	case IXGBE_DEV_ID_82599_SFP_SF_QP:
	case IXGBE_DEV_ID_82599EN_SFP:
	case IXGBE_DEV_ID_82599_CX4:
	case IXGBE_DEV_ID_82599_BYPASS:
	case IXGBE_DEV_ID_82599_T3_LOM:
		hw->mac.type = ixgbe_mac_82599EB;
		break;
	case IXGBE_DEV_ID_82599_VF:
	case IXGBE_DEV_ID_82599_VF_HV:
		hw->mac.type = ixgbe_mac_82599_vf;
		break;
	case IXGBE_DEV_ID_X540_VF:
	case IXGBE_DEV_ID_X540_VF_HV:
		hw->mac.type = ixgbe_mac_X540_vf;
		break;
	case IXGBE_DEV_ID_X540T:
	case IXGBE_DEV_ID_X540_BYPASS:
		hw->mac.type = ixgbe_mac_X540;
		break;
	default:
 		ret_val = IXGBE_ERR_DEVICE_NOT_SUPPORTED;
		break;
 	}

	DEBUGOUT2("ixgbe_set_mac_type found mac: %d, returns: %d\n",
		  hw->mac.type, ret_val);
	return ret_val;
}

/**
 *  ixgbe_init_hw - Initialize the hardware
 *  @hw: pointer to hardware structure
 *
 *  Initialize the hardware by resetting and then starting the hardware
 **/
s32 ixgbe_init_hw(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.init_hw, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_reset_hw - Performs a hardware reset
 *  @hw: pointer to hardware structure
 *
 *  Resets the hardware by resetting the transmit and receive units, masks and
 *  clears all interrupts, performs a PHY reset, and performs a MAC reset
 **/
s32 ixgbe_reset_hw(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.reset_hw, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_start_hw - Prepares hardware for Rx/Tx
 *  @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 setup link and
 *  flow control settings, and leaves transmit and receive units disabled
 *  and uninitialized.
 **/
s32 ixgbe_start_hw(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.start_hw, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_enable_relaxed_ordering - Enables tx relaxed ordering,
 *  which is disabled by default in ixgbe_start_hw();
 *
 *  @hw: pointer to hardware structure
 *
 *   Enable relaxed ordering;
 **/
void ixgbe_enable_relaxed_ordering(struct ixgbe_hw *hw)
{
	if (hw->mac.ops.enable_relaxed_ordering)
		hw->mac.ops.enable_relaxed_ordering(hw);
}

/**
 *  ixgbe_clear_hw_cntrs - 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(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.clear_hw_cntrs, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_get_media_type - Get media type
 *  @hw: pointer to hardware structure
 *
 *  Returns the media type (fiber, copper, backplane)
 **/
enum ixgbe_media_type ixgbe_get_media_type(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.get_media_type, (hw),
			       ixgbe_media_type_unknown);
}

/**
 *  ixgbe_get_mac_addr - Get MAC address
 *  @hw: pointer to hardware structure
 *  @mac_addr: Adapter MAC address
 *
 *  Reads the adapter's MAC address from the first Receive Address Register
 *  (RAR0) A reset of the adapter must have been 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(struct ixgbe_hw *hw, u8 *mac_addr)
{
	return ixgbe_call_func(hw, hw->mac.ops.get_mac_addr,
			       (hw, mac_addr), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_get_san_mac_addr - Get SAN MAC address
 *  @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.
 **/
s32 ixgbe_get_san_mac_addr(struct ixgbe_hw *hw, u8 *san_mac_addr)
{
	return ixgbe_call_func(hw, hw->mac.ops.get_san_mac_addr,
			       (hw, san_mac_addr), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_set_san_mac_addr - Write a SAN MAC address
 *  @hw: pointer to hardware structure
 *  @san_mac_addr: SAN MAC address
 *
 *  Writes A SAN MAC address to the EEPROM.
 **/
s32 ixgbe_set_san_mac_addr(struct ixgbe_hw *hw, u8 *san_mac_addr)
{
	return ixgbe_call_func(hw, hw->mac.ops.set_san_mac_addr,
			       (hw, san_mac_addr), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_get_device_caps - Get additional device capabilities
 *  @hw: pointer to hardware structure
 *  @device_caps: the EEPROM word for device capabilities
 *
 *  Reads the extra device capabilities from the EEPROM
 **/
s32 ixgbe_get_device_caps(struct ixgbe_hw *hw, u16 *device_caps)
{
	return ixgbe_call_func(hw, hw->mac.ops.get_device_caps,
			       (hw, device_caps), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_get_wwn_prefix - 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(struct ixgbe_hw *hw, u16 *wwnn_prefix,
			 u16 *wwpn_prefix)
{
	return ixgbe_call_func(hw, hw->mac.ops.get_wwn_prefix,
			       (hw, wwnn_prefix, wwpn_prefix),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_get_fcoe_boot_status -  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(struct ixgbe_hw *hw, u16 *bs)
{
	return ixgbe_call_func(hw, hw->mac.ops.get_fcoe_boot_status,
			       (hw, bs),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_get_bus_info - 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(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.get_bus_info, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_get_num_of_tx_queues - Get Tx queues
 *  @hw: pointer to hardware structure
 *
 *  Returns the number of transmit queues for the given adapter.
 **/
u32 ixgbe_get_num_of_tx_queues(struct ixgbe_hw *hw)
{
	return hw->mac.max_tx_queues;
}

/**
 *  ixgbe_get_num_of_rx_queues - Get Rx queues
 *  @hw: pointer to hardware structure
 *
 *  Returns the number of receive queues for the given adapter.
 **/
u32 ixgbe_get_num_of_rx_queues(struct ixgbe_hw *hw)
{
	return hw->mac.max_rx_queues;
}

/**
 *  ixgbe_stop_adapter - Disable Rx/Tx 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(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.stop_adapter, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_read_pba_string - 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(struct ixgbe_hw *hw, u8 *pba_num, u32 pba_num_size)
{
	return ixgbe_read_pba_string_generic(hw, pba_num, pba_num_size);
}

/**
 *  ixgbe_read_pba_num - Reads part number from EEPROM
 *  @hw: pointer to hardware structure
 *  @pba_num: stores the part number from the EEPROM
 *
 *  Reads the part number from the EEPROM.
 **/
s32 ixgbe_read_pba_num(struct ixgbe_hw *hw, u32 *pba_num)
{
	return ixgbe_read_pba_num_generic(hw, pba_num);
}

/**
 *  ixgbe_identify_phy - Get PHY type
 *  @hw: pointer to hardware structure
 *
 *  Determines the physical layer module found on the current adapter.
 **/
s32 ixgbe_identify_phy(struct ixgbe_hw *hw)
{
	s32 status = IXGBE_SUCCESS;

	if (hw->phy.type == ixgbe_phy_unknown) {
		status = ixgbe_call_func(hw, hw->phy.ops.identify, (hw),
					 IXGBE_NOT_IMPLEMENTED);
	}

	return status;
}

/**
 *  ixgbe_reset_phy - Perform a PHY reset
 *  @hw: pointer to hardware structure
 **/
s32 ixgbe_reset_phy(struct ixgbe_hw *hw)
{
	s32 status = IXGBE_SUCCESS;

	if (hw->phy.type == ixgbe_phy_unknown) {
		if (ixgbe_identify_phy(hw) != IXGBE_SUCCESS)
			status = IXGBE_ERR_PHY;
	}

	if (status == IXGBE_SUCCESS) {
		status = ixgbe_call_func(hw, hw->phy.ops.reset, (hw),
					 IXGBE_NOT_IMPLEMENTED);
	}
	return status;
}

/**
 *  ixgbe_get_phy_firmware_version -
 *  @hw: pointer to hardware structure
 *  @firmware_version: pointer to firmware version
 **/
s32 ixgbe_get_phy_firmware_version(struct ixgbe_hw *hw, u16 *firmware_version)
{
	s32 status = IXGBE_SUCCESS;

	status = ixgbe_call_func(hw, hw->phy.ops.get_firmware_version,
				 (hw, firmware_version),
				 IXGBE_NOT_IMPLEMENTED);
	return status;
}

/**
 *  ixgbe_read_phy_reg - Read PHY register
 *  @hw: pointer to hardware structure
 *  @reg_addr: 32 bit address of PHY register to read
 *  @phy_data: Pointer to read data from PHY register
 *
 *  Reads a value from a specified PHY register
 **/
s32 ixgbe_read_phy_reg(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type,
		       u16 *phy_data)
{
	if (hw->phy.id == 0)
		ixgbe_identify_phy(hw);

	return ixgbe_call_func(hw, hw->phy.ops.read_reg, (hw, reg_addr,
			       device_type, phy_data), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_write_phy_reg - Write PHY register
 *  @hw: pointer to hardware structure
 *  @reg_addr: 32 bit PHY register to write
 *  @phy_data: Data to write to the PHY register
 *
 *  Writes a value to specified PHY register
 **/
s32 ixgbe_write_phy_reg(struct ixgbe_hw *hw, u32 reg_addr, u32 device_type,
			u16 phy_data)
{
	if (hw->phy.id == 0)
		ixgbe_identify_phy(hw);

	return ixgbe_call_func(hw, hw->phy.ops.write_reg, (hw, reg_addr,
			       device_type, phy_data), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_setup_phy_link - Restart PHY autoneg
 *  @hw: pointer to hardware structure
 *
 *  Restart autonegotiation and PHY and waits for completion.
 **/
s32 ixgbe_setup_phy_link(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->phy.ops.setup_link, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_check_phy_link - Determine link and speed status
 *  @hw: pointer to hardware structure
 *
 *  Reads a PHY register to determine if link is up and the current speed for
 *  the PHY.
 **/
s32 ixgbe_check_phy_link(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
			 bool *link_up)
{
	return ixgbe_call_func(hw, hw->phy.ops.check_link, (hw, speed,
			       link_up), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_setup_phy_link_speed - Set auto advertise
 *  @hw: pointer to hardware structure
 *  @speed: new link speed
 *
 *  Sets the auto advertised capabilities
 **/
s32 ixgbe_setup_phy_link_speed(struct ixgbe_hw *hw, ixgbe_link_speed speed,
			       bool autoneg_wait_to_complete)
{
	return ixgbe_call_func(hw, hw->phy.ops.setup_link_speed, (hw, speed,
			       autoneg_wait_to_complete),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_check_link - Get link and speed status
 *  @hw: pointer to hardware structure
 *
 *  Reads the links register to determine if link is up and the current speed
 **/
s32 ixgbe_check_link(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
		     bool *link_up, bool link_up_wait_to_complete)
{
	return ixgbe_call_func(hw, hw->mac.ops.check_link, (hw, speed,
			       link_up, link_up_wait_to_complete),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_disable_tx_laser - Disable Tx laser
 *  @hw: pointer to hardware structure
 *
 *  If the driver needs to disable the laser on SFI optics.
 **/
void ixgbe_disable_tx_laser(struct ixgbe_hw *hw)
{
	if (hw->mac.ops.disable_tx_laser)
		hw->mac.ops.disable_tx_laser(hw);
}

/**
 *  ixgbe_enable_tx_laser - Enable Tx laser
 *  @hw: pointer to hardware structure
 *
 *  If the driver needs to enable the laser on SFI optics.
 **/
void ixgbe_enable_tx_laser(struct ixgbe_hw *hw)
{
	if (hw->mac.ops.enable_tx_laser)
		hw->mac.ops.enable_tx_laser(hw);
}

/**
 *  ixgbe_flap_tx_laser - flap Tx laser to start autotry process
 *  @hw: pointer to hardware structure
 *
 *  When the driver changes the link speeds that it can support then
 *  flap the tx laser to alert the link partner to start autotry
 *  process on its end.
 **/
void ixgbe_flap_tx_laser(struct ixgbe_hw *hw)
{
	if (hw->mac.ops.flap_tx_laser)
		hw->mac.ops.flap_tx_laser(hw);
}

/**
 *  ixgbe_setup_link - Set link speed
 *  @hw: pointer to hardware structure
 *  @speed: new link speed
 *
 *  Configures link settings.  Restarts the link.
 *  Performs autonegotiation if needed.
 **/
s32 ixgbe_setup_link(struct ixgbe_hw *hw, ixgbe_link_speed speed,
		     bool autoneg_wait_to_complete)
{
	return ixgbe_call_func(hw, hw->mac.ops.setup_link, (hw, speed,
			       autoneg_wait_to_complete),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_get_link_capabilities - Returns link capabilities
 *  @hw: pointer to hardware structure
 *
 *  Determines the link capabilities of the current configuration.
 **/
s32 ixgbe_get_link_capabilities(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
				bool *autoneg)
{
	return ixgbe_call_func(hw, hw->mac.ops.get_link_capabilities, (hw,
			       speed, autoneg), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_led_on - Turn on LEDs
 *  @hw: pointer to hardware structure
 *  @index: led number to turn on
 *
 *  Turns on the software controllable LEDs.
 **/
s32 ixgbe_led_on(struct ixgbe_hw *hw, u32 index)
{
	return ixgbe_call_func(hw, hw->mac.ops.led_on, (hw, index),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_led_off - Turn off LEDs
 *  @hw: pointer to hardware structure
 *  @index: led number to turn off
 *
 *  Turns off the software controllable LEDs.
 **/
s32 ixgbe_led_off(struct ixgbe_hw *hw, u32 index)
{
	return ixgbe_call_func(hw, hw->mac.ops.led_off, (hw, index),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_blink_led_start - Blink LEDs
 *  @hw: pointer to hardware structure
 *  @index: led number to blink
 *
 *  Blink LED based on index.
 **/
s32 ixgbe_blink_led_start(struct ixgbe_hw *hw, u32 index)
{
	return ixgbe_call_func(hw, hw->mac.ops.blink_led_start, (hw, index),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_blink_led_stop - Stop blinking LEDs
 *  @hw: pointer to hardware structure
 *
 *  Stop blinking LED based on index.
 **/
s32 ixgbe_blink_led_stop(struct ixgbe_hw *hw, u32 index)
{
	return ixgbe_call_func(hw, hw->mac.ops.blink_led_stop, (hw, index),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_init_eeprom_params - Initialize EEPROM parameters
 *  @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(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->eeprom.ops.init_params, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}


/**
 *  ixgbe_write_eeprom - Write word 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
 *
 *  Writes 16 bit value to 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(struct ixgbe_hw *hw, u16 offset, u16 data)
{
	return ixgbe_call_func(hw, hw->eeprom.ops.write, (hw, offset, data),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_write_eeprom_buffer - Write word(s) to EEPROM
 *  @hw: pointer to hardware structure
 *  @offset: offset within the EEPROM to be written to
 *  @data: 16 bit word(s) to be written to the EEPROM
 *  @words: number of words
 *
 *  Writes 16 bit word(s) to 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_buffer(struct ixgbe_hw *hw, u16 offset, u16 words,
			      u16 *data)
{
	return ixgbe_call_func(hw, hw->eeprom.ops.write_buffer,
			       (hw, offset, words, data),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_read_eeprom - Read word from EEPROM
 *  @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
 **/
s32 ixgbe_read_eeprom(struct ixgbe_hw *hw, u16 offset, u16 *data)
{
	return ixgbe_call_func(hw, hw->eeprom.ops.read, (hw, offset, data),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_read_eeprom_buffer - Read word(s) from EEPROM
 *  @hw: pointer to hardware structure
 *  @offset: offset within the EEPROM to be read
 *  @data: read 16 bit word(s) from EEPROM
 *  @words: number of words
 *
 *  Reads 16 bit word(s) from EEPROM
 **/
s32 ixgbe_read_eeprom_buffer(struct ixgbe_hw *hw, u16 offset,
			     u16 words, u16 *data)
{
	return ixgbe_call_func(hw, hw->eeprom.ops.read_buffer,
			       (hw, offset, words, data),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_validate_eeprom_checksum - Validate EEPROM checksum
 *  @hw: pointer to hardware structure
 *  @checksum_val: calculated checksum
 *
 *  Performs checksum calculation and validates the EEPROM checksum
 **/
s32 ixgbe_validate_eeprom_checksum(struct ixgbe_hw *hw, u16 *checksum_val)
{
	return ixgbe_call_func(hw, hw->eeprom.ops.validate_checksum,
			       (hw, checksum_val), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_eeprom_update_checksum - Updates the EEPROM checksum
 *  @hw: pointer to hardware structure
 **/
s32 ixgbe_update_eeprom_checksum(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->eeprom.ops.update_checksum, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_insert_mac_addr - 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 aleady in; adds to the pool list
 **/
s32 ixgbe_insert_mac_addr(struct ixgbe_hw *hw, u8 *addr, u32 vmdq)
{
	return ixgbe_call_func(hw, hw->mac.ops.insert_mac_addr,
			       (hw, addr, vmdq),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_set_rar - 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"
 *  @enable_addr: set flag that address is active
 *
 *  Puts an ethernet address into a receive address register.
 **/
s32 ixgbe_set_rar(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
		  u32 enable_addr)
{
	return ixgbe_call_func(hw, hw->mac.ops.set_rar, (hw, index, addr, vmdq,
			       enable_addr), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_clear_rar - Clear Rx address register
 *  @hw: pointer to hardware structure
 *  @index: Receive address register to write
 *
 *  Puts an ethernet address into a receive address register.
 **/
s32 ixgbe_clear_rar(struct ixgbe_hw *hw, u32 index)
{
	return ixgbe_call_func(hw, hw->mac.ops.clear_rar, (hw, index),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_set_vmdq - Associate a VMDq index with a receive address
 *  @hw: pointer to hardware structure
 *  @rar: receive address register index to associate with VMDq index
 *  @vmdq: VMDq set or pool index
 **/
s32 ixgbe_set_vmdq(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
{
	return ixgbe_call_func(hw, hw->mac.ops.set_vmdq, (hw, rar, vmdq),
			       IXGBE_NOT_IMPLEMENTED);

}

/**
 *  ixgbe_set_vmdq_san_mac - Associate VMDq index 127 with a receive address
 *  @hw: pointer to hardware structure
 *  @vmdq: VMDq default pool index
 **/
s32 ixgbe_set_vmdq_san_mac(struct ixgbe_hw *hw, u32 vmdq)
{
	return ixgbe_call_func(hw, hw->mac.ops.set_vmdq_san_mac,
			       (hw, vmdq), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_clear_vmdq - Disassociate a VMDq index from a receive address
 *  @hw: pointer to hardware structure
 *  @rar: receive address register index to disassociate with VMDq index
 *  @vmdq: VMDq set or pool index
 **/
s32 ixgbe_clear_vmdq(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
{
	return ixgbe_call_func(hw, hw->mac.ops.clear_vmdq, (hw, rar, vmdq),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_init_rx_addrs - 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(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.init_rx_addrs, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_get_num_rx_addrs - Returns the number of RAR entries.
 *  @hw: pointer to hardware structure
 **/
u32 ixgbe_get_num_rx_addrs(struct ixgbe_hw *hw)
{
	return hw->mac.num_rar_entries;
}

/**
 *  ixgbe_update_uc_addr_list - Updates the MAC's list of secondary addresses
 *  @hw: pointer to hardware structure
 *  @addr_list: the list of new multicast addresses
 *  @addr_count: number of addresses
 *  @func: iterator function to walk the multicast 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.
 **/
s32 ixgbe_update_uc_addr_list(struct ixgbe_hw *hw, u8 *addr_list,
			      u32 addr_count, ixgbe_mc_addr_itr func)
{
	return ixgbe_call_func(hw, hw->mac.ops.update_uc_addr_list, (hw,
			       addr_list, addr_count, func),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_update_mc_addr_list - Updates the MAC's list of multicast addresses
 *  @hw: pointer to hardware structure
 *  @mc_addr_list: the list of new multicast addresses
 *  @mc_addr_count: number of addresses
 *  @func: iterator function to walk the multicast address list
 *
 *  The given list replaces any existing list. Clears the MC addrs from receive
 *  address registers and the multicast table. Uses unused receive address
 *  registers for the first multicast addresses, and hashes the rest into the
 *  multicast table.
 **/
s32 ixgbe_update_mc_addr_list(struct ixgbe_hw *hw, u8 *mc_addr_list,
			      u32 mc_addr_count, ixgbe_mc_addr_itr func,
			      bool clear)
{
	return ixgbe_call_func(hw, hw->mac.ops.update_mc_addr_list, (hw,
			       mc_addr_list, mc_addr_count, func, clear),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_enable_mc - 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(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.enable_mc, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_disable_mc - 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(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.disable_mc, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_clear_vfta - 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(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.clear_vfta, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_set_vfta - 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 VFTA
 *  @vlan_on: boolean flag to turn on/off VLAN in VFTA
 *
 *  Turn on/off specified VLAN in the VLAN filter table.
 **/
s32 ixgbe_set_vfta(struct ixgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on)
{
	return ixgbe_call_func(hw, hw->mac.ops.set_vfta, (hw, vlan, vind,
			       vlan_on), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_set_vlvf - 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(struct ixgbe_hw *hw, u32 vlan, u32 vind, bool vlan_on,
		    bool *vfta_changed)
{
	return ixgbe_call_func(hw, hw->mac.ops.set_vlvf, (hw, vlan, vind,
			       vlan_on, vfta_changed), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_fc_enable - Enable flow control
 *  @hw: pointer to hardware structure
 *
 *  Configures the flow control settings based on SW configuration.
 **/
s32 ixgbe_fc_enable(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.fc_enable, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 * ixgbe_set_fw_drv_ver - Try to send the driver version number FW
 * @hw: pointer to hardware structure
 * @maj: driver major number to be sent to firmware
 * @min: driver minor number to be sent to firmware
 * @build: driver build number to be sent to firmware
 * @ver: driver version number to be sent to firmware
 **/
s32 ixgbe_set_fw_drv_ver(struct ixgbe_hw *hw, u8 maj, u8 min, u8 build,
			 u8 ver)
{
	return ixgbe_call_func(hw, hw->mac.ops.set_fw_drv_ver, (hw, maj, min,
			       build, ver), IXGBE_NOT_IMPLEMENTED);
}


/**
 *  ixgbe_read_analog_reg8 - Reads 8 bit analog register
 *  @hw: pointer to hardware structure
 *  @reg: analog register to read
 *  @val: read value
 *
 *  Performs write operation to analog register specified.
 **/
s32 ixgbe_read_analog_reg8(struct ixgbe_hw *hw, u32 reg, u8 *val)
{
	return ixgbe_call_func(hw, hw->mac.ops.read_analog_reg8, (hw, reg,
			       val), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_write_analog_reg8 - Writes 8 bit analog register
 *  @hw: pointer to hardware structure
 *  @reg: analog register to write
 *  @val: value to write
 *
 *  Performs write operation to Atlas analog register specified.
 **/
s32 ixgbe_write_analog_reg8(struct ixgbe_hw *hw, u32 reg, u8 val)
{
	return ixgbe_call_func(hw, hw->mac.ops.write_analog_reg8, (hw, reg,
			       val), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_init_uta_tables - Initializes Unicast Table Arrays.
 *  @hw: pointer to hardware structure
 *
 *  Initializes the Unicast Table Arrays to zero on device load.  This
 *  is part of the Rx init addr execution path.
 **/
s32 ixgbe_init_uta_tables(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.init_uta_tables, (hw),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_read_i2c_byte - Reads 8 bit word over I2C at specified device address
 *  @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.
 **/
s32 ixgbe_read_i2c_byte(struct ixgbe_hw *hw, u8 byte_offset, u8 dev_addr,
			u8 *data)
{
	return ixgbe_call_func(hw, hw->phy.ops.read_i2c_byte, (hw, byte_offset,
			       dev_addr, data), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_write_i2c_byte - 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(struct ixgbe_hw *hw, u8 byte_offset, u8 dev_addr,
			 u8 data)
{
	return ixgbe_call_func(hw, hw->phy.ops.write_i2c_byte, (hw, byte_offset,
			       dev_addr, data), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_write_i2c_eeprom - 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(struct ixgbe_hw *hw,
			   u8 byte_offset, u8 eeprom_data)
{
	return ixgbe_call_func(hw, hw->phy.ops.write_i2c_eeprom,
			       (hw, byte_offset, eeprom_data),
			       IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_read_i2c_eeprom - 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(struct ixgbe_hw *hw, u8 byte_offset, u8 *eeprom_data)
{
	return ixgbe_call_func(hw, hw->phy.ops.read_i2c_eeprom,
			      (hw, byte_offset, eeprom_data),
			      IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_get_supported_physical_layer - Returns physical layer type
 *  @hw: pointer to hardware structure
 *
 *  Determines physical layer capabilities of the current configuration.
 **/
u32 ixgbe_get_supported_physical_layer(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.get_supported_physical_layer,
			       (hw), IXGBE_PHYSICAL_LAYER_UNKNOWN);
}

/**
 *  ixgbe_enable_rx_dma - Enables Rx DMA unit, dependent on device specifics
 *  @hw: pointer to hardware structure
 *  @regval: bitfield to write to the Rx DMA register
 *
 *  Enables the Rx DMA unit of the device.
 **/
s32 ixgbe_enable_rx_dma(struct ixgbe_hw *hw, u32 regval)
{
	return ixgbe_call_func(hw, hw->mac.ops.enable_rx_dma,
			       (hw, regval), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_disable_sec_rx_path - Stops the receive data path
 *  @hw: pointer to hardware structure
 *
 *  Stops the receive data path.
 **/
s32 ixgbe_disable_sec_rx_path(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.disable_sec_rx_path,
				(hw), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_enable_sec_rx_path - Enables the receive data path
 *  @hw: pointer to hardware structure
 *
 *  Enables the receive data path.
 **/
s32 ixgbe_enable_sec_rx_path(struct ixgbe_hw *hw)
{
	return ixgbe_call_func(hw, hw->mac.ops.enable_sec_rx_path,
				(hw), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_acquire_swfw_semaphore - Acquire SWFW semaphore
 *  @hw: pointer to hardware structure
 *  @mask: Mask to specify which semaphore to acquire
 *
 *  Acquires the SWFW semaphore through SW_FW_SYNC register for the specified
 *  function (CSR, PHY0, PHY1, EEPROM, Flash)
 **/
s32 ixgbe_acquire_swfw_semaphore(struct ixgbe_hw *hw, u16 mask)
{
	return ixgbe_call_func(hw, hw->mac.ops.acquire_swfw_sync,
			       (hw, mask), IXGBE_NOT_IMPLEMENTED);
}

/**
 *  ixgbe_release_swfw_semaphore - Release SWFW semaphore
 *  @hw: pointer to hardware structure
 *  @mask: Mask to specify which semaphore to release
 *
 *  Releases the SWFW semaphore through SW_FW_SYNC register for the specified
 *  function (CSR, PHY0, PHY1, EEPROM, Flash)
 **/
void ixgbe_release_swfw_semaphore(struct ixgbe_hw *hw, u16 mask)
{
	if (hw->mac.ops.release_swfw_sync)
		hw->mac.ops.release_swfw_sync(hw, mask);
}