FreeBSD/Linux Kernel Cross Reference
sys/dev/netif/ixgbe/ixgbe_api.c

     /******************************************************************************
     
       Copyright (c) 2001-2012, Intel Corporation 
       All rights reserved.
       
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    ******************************************************************************/
    /*$FreeBSD: src/sys/dev/ixgbe/ixgbe_api.c,v 1.13 2012/07/05 20:51:44 jfv 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:
     *  hw_addr, 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");
    
            if (hw->vendor_id == IXGBE_INTEL_VENDOR_ID) {
                    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_82599EN_SFP:
                   case IXGBE_DEV_ID_82599_CX4:
                   case IXGBE_DEV_ID_82599_T3_LOM:
                           hw->mac.type = ixgbe_mac_82599EB;
                           break;
                   case IXGBE_DEV_ID_82599_VF:
                           hw->mac.type = ixgbe_mac_82599_vf;
                           break;
                   case IXGBE_DEV_ID_X540_VF:
                           hw->mac.type = ixgbe_mac_X540_vf;
                           break;
                   case IXGBE_DEV_ID_X540T:
                   case IXGBE_DEV_ID_X540T1:
                           hw->mac.type = ixgbe_mac_X540;
                           break;
                   default:
                           ret_val = IXGBE_ERR_DEVICE_NOT_SUPPORTED;
                           break;
                   }
           } else {
                   ret_val = IXGBE_ERR_DEVICE_NOT_SUPPORTED;
           }
   
           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
    *  @autoneg: TRUE if autonegotiation enabled
    *
    *  Sets the auto advertised capabilities
    **/
   s32 ixgbe_setup_phy_link_speed(struct ixgbe_hw *hw, ixgbe_link_speed speed,
                                  bool autoneg,
                                  bool autoneg_wait_to_complete)
   {
           return ixgbe_call_func(hw, hw->phy.ops.setup_link_speed, (hw, speed,
                                  autoneg, 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
    *  @autoneg: TRUE if autonegotiation enabled
    *
    *  Configures link settings.  Restarts the link.
    *  Performs autonegotiation if needed.
    **/
   s32 ixgbe_setup_link(struct ixgbe_hw *hw, ixgbe_link_speed speed,
                        bool autoneg,
                        bool autoneg_wait_to_complete)
   {
           return ixgbe_call_func(hw, hw->mac.ops.setup_link, (hw, speed,
                                  autoneg, 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);
  }
  

Cache object: a13c24cf01d58abe4c73227e3a8cdf54