[edk2-devel] [edk2-platform][PATCH v1 3/4] Silicon/AsixPkg: Add ASIX Ax88179 driver
Ard Biesheuvel
ard.biesheuvel at arm.com
Mon May 11 14:38:14 UTC 2020
On 5/10/20 1:15 PM, Samer El-Haj-Mahmoud wrote:
> This is the initial revision of ASIX USB networking UEFI driver
> version 2.9.0 for Ax88179 and Ax88178a
> https://www.asix.com.tw/products.php?op=pItemdetail&PItemID=131;71;112
>
> Source code contributed by ASIX.
>
> Cc: Ray Ni <ray.ni at intel.com>
> Cc: Leif Lindholm <leif at nuviainc.com>
> Cc: Ard Biesheuvel <ard.biesheuvel at arm.com>
> Cc: Michael D Kinney <michael.d.kinney at intel.com>
>
> Signed-off-by: Samer El-Haj-Mahmoud <samer.el-haj-mahmoud at arm.com>
Thanks for sending this.
Comments inline.
> ---
> Silicon/ASIX/AsixPkg.dsc | 1 +
> Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.inf | 66 +
> Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.h | 1127 ++++++++++++++
> Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.c | 1026 +++++++++++++
> Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/ComponentName.c | 290 ++++
> Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/DriverBinding.c | 620 ++++++++
> Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/SimpleNetwork.c | 1585 ++++++++++++++++++++
> 7 files changed, 4715 insertions(+)
>
This is generally too big to review, but I don't see a better way tbh,
given that this was contributed as is.
Comments inline. Coding style remarks apply globally, not just where noted.
> diff --git a/Silicon/ASIX/AsixPkg.dsc b/Silicon/ASIX/AsixPkg.dsc
> index 0e4ffd0f1743..5e860d7b3c8f 100644
> --- a/Silicon/ASIX/AsixPkg.dsc
> +++ b/Silicon/ASIX/AsixPkg.dsc
> @@ -64,5 +64,6 @@ [PcdsFixedAtBuild]
> #
> ################################################################################
> [Components]
> +Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.inf
> Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88772/Ax88772.inf
> Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88772b/Ax88772b.inf
> diff --git a/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.inf b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.inf
> new file mode 100644
> index 000000000000..a1883e9da1fd
> --- /dev/null
> +++ b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.inf
> @@ -0,0 +1,66 @@
> +## @file
> +# Component description file for ASIX AX88772 USB/Ethernet driver.
> +#
> +# This module provides support for the ASIX AX88772 USB/Ethernet adapter.
> +# Copyright (c) 2011, Intel Corporation
> +#
> +# SPDX-License-Identifier: BSD-2-Clause-Patent
> +#
> +##
> +
> +[Defines]
> + INF_VERSION = 0x00010018
> + BASE_NAME = Ax88179
> + FILE_GUID = 27E5D3B6-7839-47C2-8618-5D2190729BC7
> + MODULE_TYPE = DXE_RUNTIME_DRIVER
This is dodgy. The USB stack is not runtime safe, so I don't see how
this driver could do anything useful after the underlying infrastructure
has been torn down.
> + VERSION_STRING = 1.0
> +
> + ENTRY_POINT = EntryPoint
> +
> +#
> +# VALID_ARCHITECTURES = IA32 X64 EBC
> +#
Just drop this. No point in fixing it.
> +
> +[Sources.common]
> + Ax88179.h
> + Ax88179.c
> + ComponentName.c
> + DriverBinding.c
> + SimpleNetwork.c
> +
> +
> +[Packages]
> + MdePkg/MdePkg.dec
> + MdeModulePkg/MdeModulePkg.dec
> +
> +[LibraryClasses]
> + UefiLib
> + UefiBootServicesTableLib
> + BaseMemoryLib
> + DebugLib
> + UefiRuntimeLib
> + UefiDriverEntryPoint
> +
Put this in the right order please.
> +[Protocols]
> + gEfiDevicePathProtocolGuid ## BY_START
> + gEfiSimpleNetworkProtocolGuid ## BY_START
> + gEfiUsbIoProtocolGuid ## TO_START
> +
> +#[Guids]
> + #gEfiEventExitBootServicesGuid ## PRODUCES ## Event
> + #gEfiEventVirtualAddressChangeGuid ## PRODUCES ## Event
> + #gEfiNicIp4ConfigVariableGuid
> +
This is runtime stuff.
> +[Depex]
> + gEfiBdsArchProtocolGuid AND
> + gEfiCpuArchProtocolGuid AND
> + gEfiMetronomeArchProtocolGuid AND
> + gEfiMonotonicCounterArchProtocolGuid AND
> + gEfiRealTimeClockArchProtocolGuid AND
> + gEfiResetArchProtocolGuid AND
> + gEfiRuntimeArchProtocolGuid AND
> + gEfiSecurityArchProtocolGuid AND
> + gEfiTimerArchProtocolGuid AND
> + gEfiVariableWriteArchProtocolGuid AND
> + gEfiVariableArchProtocolGuid AND
> + gEfiWatchdogTimerArchProtocolGuid
This depex should just be dropped once we change the type to UEFI_DRIVER
> diff --git a/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.h b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.h
> new file mode 100644
> index 000000000000..82c9a3668d86
> --- /dev/null
> +++ b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.h
> @@ -0,0 +1,1127 @@
> +/** @file
> + Definitions for ASIX AX88179 Ethernet adapter.
> +
> + Copyright (c) 2011, Intel Corporation
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#ifndef _AX88179_H_
> +#define _AX88179_H_
> +
> +#include <Uefi.h>
> +
> +#include <Guid/EventGroup.h>
> +
> +#include <IndustryStandard/Pci.h>
> +
> +#include <Library/BaseMemoryLib.h>
> +#include <Library/DebugLib.h>
> +#include <Library/DevicePathLib.h>
> +#include <Library/UefiBootServicesTableLib.h>
> +#include <Library/UefiDriverEntryPoint.h>
> +#include <Library/UefiLib.h>
> +#include <Library/UefiRuntimeLib.h>
> +
> +#include <Protocol/DevicePath.h>
> +#include <Protocol/LoadedImage.h>
> +#include <Protocol/NetworkInterfaceIdentifier.h>
> +#include <Protocol/SimpleNetwork.h>
> +#include <Protocol/UsbIo.h>
> +
> +
> +#define PASS_SCT 0
> +#define FORCE_100Mbps 0
> +#define REPORTLINK 1
> +
> +
> +//------------------------------------------------------------------------------
> +// Macros
> +//------------------------------------------------------------------------------
> +
> +//#if defined(_MSC_VER) /* Handle Microsoft VC++ compiler specifics. */
> +#define DBG_ENTER() DEBUG (( 0xffffffff, "Entering " __FUNCTION__ "\n" )) ///< Display routine entry
> +#define DBG_EXIT() DEBUG (( 0xffffffff, "Exiting " __FUNCTION__ "\n" )) ///< Display routine exit
> +#define DBG_EXIT_DEC(Status) DEBUG (( 0xffffffff, "Exiting " __FUNCTION__ ", Status: %d\n", Status )) ///< Display routine exit with decimal value
> +#define DBG_EXIT_HEX(Status) DEBUG (( 0xffffffff, "Exiting " __FUNCTION__ ", Status: 0x%08x\n", Status )) ///< Display routine exit with hex value
> +#define DBG_EXIT_STATUS(Status) DEBUG (( 0xffffffff, "Exiting " __FUNCTION__ ", Status: %r\n", Status )) ///< Display routine exit with status value
> +#define DBG_EXIT_TF(Status) DEBUG (( 0xffffffff, "Exiting " __FUNCTION__ ", returning %s\n", (FALSE == Status) ? L"FALSE" : L"TRUE" )) ///< Display routine with TRUE/FALSE value
> +//#else // _MSC_VER
> +//#define DBG_ENTER() ///< Display routine entry
> +//#define DBG_EXIT() ///< Display routine exit
> +//#define DBG_EXIT_DEC(Status) ///< Display routine exit with decimal value
> +//#define DBG_EXIT_HEX(Status) ///< Display routine exit with hex value
> +//#define DBG_EXIT_STATUS(Status) ///< Display routine exit with status value
> +//#define DBG_EXIT_TF(Status) ///< Display routine with TRUE/FALSE value
> +//#endif // _MSC_VER
> +
Yuck. So no DEBUG() at all on non-VS?
> +#define USB_IS_IN_ENDPOINT(EndPointAddr) (((EndPointAddr) & BIT7) != 0) ///< Return TRUE/FALSE for IN direction
> +#define USB_IS_OUT_ENDPOINT(EndPointAddr) (((EndPointAddr) & BIT7) == 0) ///< Return TRUE/FALSE for OUT direction
> +#define USB_IS_BULK_ENDPOINT(Attribute) (((Attribute) & (BIT0 | BIT1)) == USB_ENDPOINT_BULK) ///< Return TRUE/FALSE for BULK type
> +#define USB_IS_INTERRUPT_ENDPOINT(Attribute) (((Attribute) & (BIT0 | BIT1)) == USB_ENDPOINT_INTERRUPT) ///< Return TRUE/FALSE for INTERRUPT type
> +
> +//------------------------------------------------------------------------------
> +// Constants
> +//------------------------------------------------------------------------------
> +
> +#define DEBUG_RX_BROADCAST 0x40000000 ///< Display RX broadcast messages
> +#define DEBUG_RX_MULTICAST 0x20000000 ///< Display RX multicast messages
> +#define DEBUG_RX_UNICAST 0x10000000 ///< Display RX unicast messages
> +#define DEBUG_MAC_ADDRESS 0x08000000 ///< Display the MAC address
> +#define DEBUG_LINK 0x04000000 ///< Display the link status
> +#define DEBUG_TX 0x02000000 ///< Display the TX messages
> +#define DEBUG_PHY 0x01000000 ///< Display the PHY register values
> +#define DEBUG_SROM 0x00800000 ///< Display the SROM contents
> +#define DEBUG_TIMER 0x00400000 ///< Display the timer routine entry/exit
> +#define DEBUG_TPL 0x00200000 ///< Display the timer routine entry/exit
> +
> +
> +#define ETHERNET_HEADER_SIZE sizeof ( ETHERNET_HEADER ) ///< Size in bytes of the Ethernet header
No spaces inside ()
> +#define MIN_ETHERNET_PKT_SIZE 60 ///< Minimum packet size including Ethernet header
> +#define MAX_ETHERNET_PKT_SIZE 1500
> +
> +#define USB_NETWORK_CLASS 0x09 ///< USB Network class code
> +#define USB_BUS_TIMEOUT 1000 ///< USB timeout in milliseconds
> +
> +//#define TIMER_MSEC 20 ///< Polling interval for the NIC
> +//#define TPL_AX88179 TPL_CALLBACK ///< TPL for routine synchronization
> +
> +
> +#define AX88179_BULKIN_SIZE_INK 2
> +#define AX88179_MAX_BULKIN_SIZE 1024 * AX88179_BULKIN_SIZE_INK
this needs ()
> +#define AX88179_MAX_PKT_SIZE 2048
> +
> +#define HC_DEBUG 0
> +#define ADD_MACPATHNOD 1
> +#define BULKIN_TIMEOUT 3 //5000
> +#define TX_RETRY 0
> +#define AUTONEG_DELAY 1000000
newline here, and please align the macros above
> +/**
> + Verify new TPL value
> +
> + This macro which is enabled when debug is enabled verifies that
> + the new TPL value is >= the current TPL value.
> +**/
> +#ifdef VERIFY_TPL
> +#undef VERIFY_TPL
> +#endif // VERIFY_TPL
> +
> +#if !defined(MDEPKG_NDEBUG)
> +
> +#define VERIFY_TPL(tpl) \
> +{ \
> + EFI_TPL PreviousTpl; \
> + \
> + PreviousTpl = gBS->RaiseTPL ( TPL_HIGH_LEVEL ); \
> + gBS->RestoreTPL ( PreviousTpl ); \
> + if ( PreviousTpl > tpl ) { \
> + DEBUG (( DEBUG_ERROR, "Current TPL: %d, New TPL: %d\r\n", PreviousTpl, tpl )); \
> + ASSERT ( PreviousTpl <= tpl ); \
> + } \
> +}
> +
> +#else // MDEPKG_NDEBUG
> +
> +#define VERIFY_TPL(tpl)
> +
> +#endif // MDEPKG_NDEBUG
> +
> +//------------------------------------------------------------------------------
> +// Hardware Definition
> +//------------------------------------------------------------------------------
> +
> +#define DEV_SIGNATURE SIGNATURE_32 ('A','X','8','8') ///< Signature of data structures in memory
> +
> +#define VENDOR_ID 0x0B95 ///< Vendor ID for Asix
> +#define PRODUCT_ID 0x1790 ///< Product ID for the AX88179 USB 10/100 Ethernet controller
> +#define PRODUCT_ID_178A 0x178A
> +
> +#define RESET_MSEC 1000 ///< Reset duration
> +#define PHY_RESET_MSEC 100 ///< PHY reset duration
> +
> +//
> +// RX Control register
> +//
> +
> +
> +
> +/*Freddy*/
> +#define RXC_RH1M 0x0100 ///< Rx header 1
> +#define RXC_RH2M 0x0200 ///< Rx header 2
> +#define RXC_RH3M 0x0400 ///< Rx header 3
> +/*Freddy*/
> +
Who is Freddy?
> +//
> +// Medium Status register
> +//
> +
> +
> +
> +//
> +// Software PHY Select register
> +//
> +
> +#define SPHY_PSEL 0x01 ///< Select internal PHY
> +#define SPHY_ASEL 0x02 ///< 1=Auto select, 0=Manual select
> +
> +//
> +// Software Reset register
> +//
> +
> +#define SRR_RR 0x01 ///< Clear receive frame length error
> +#define SRR_RT 0x02 ///< Clear transmit frame length error
> +#define SRR_PRTE 0x04 ///< External PHY reset pin tri-state enable
> +#define SRR_PRL 0x08 ///< External PHY reset pin level
> +#define SRR_BZ 0x10 ///< Force Bulk to return zero length packet
> +#define SRR_IPRL 0x20 ///< Internal PHY reset control
> +#define SRR_IPPD 0x40 ///< Internal PHY power down
> +
> +//
> +// PHY ID values
> +//
> +
> +#define PHY_ID_INTERNAL 0x0003 ///< Internal PHY
> +
> +//
> +// USB Commands
> +//
> +
> +#define CMD_PHY_ACCESS_SOFTWARE 0x06 ///< Software in control of PHY
> +#define CMD_PHY_REG_READ 0x07 ///< Read PHY register, Value: PHY, Index: Register, Data: Register value
> +#define CMD_PHY_REG_WRITE 0x08 ///< Write PHY register, Value: PHY, Index: Register, Data: New 16-bit value
> +#define CMD_PHY_ACCESS_HARDWARE 0x0a ///< Hardware in control of PHY
> +#define CMD_SROM_READ 0x0b ///< Read SROM register: Value: Address, Data: Value
> +#define CMD_RX_CONTROL_WRITE 0x10 ///< Set the RX control register, Value: New value
> +#define CMD_GAPS_WRITE 0x12 ///< Write the gaps register, Value: New value
> +#define CMD_MAC_ADDRESS_READ 0x11 ///< Read the MAC address, Data: 6 byte MAC address
> +#define CMD_MAC_ADDRESS_WRITE 0x14 ///< Set the MAC address, Data: New 6 byte MAC address
> +
> +#define CMD_MEDIUM_STATUS_READ 0x1a ///< Read medium status register, Data: Register value
> +#define CMD_MEDIUM_STATUS_WRITE 0x1b ///< Write medium status register, Value: New value
> +#define CMD_RESET 0x20 ///< Reset register, Value: New value
> +#define CMD_PHY_SELECT 0x22 ///< PHY select register, Value: New value
> +
> +/*Freddy*/
> +#define CMD_RXQTC 0x2a ///< RX Queue Cascade Threshold Control Register
> +/*Freddy*/
> +
> +//------------------------------
> +// USB Endpoints
> +//------------------------------
> +
> +#define CONTROL_ENDPOINT 0 ///< Control endpoint
> +#define INTERRUPT_ENDPOINT 1 ///< Interrupt endpoint
> +#define BULK_IN_ENDPOINT 2 ///< Receive endpoint
> +#define BULK_OUT_ENDPOINT 3 ///< Transmit endpoint
> +
> +//------------------------------
> +// PHY Registers
> +//------------------------------
> +
> +
> +
> +
> +
> +#define PHY_ANER 6 ///< Autonegotiation expansion register
> +
> +
> +
> +// BSMR - Register 1
> +
> +
> +
> +// ANAR and ANLPAR Registers 4, 5
> +
> +#define RXHDR_DROP 0x8000
> +//#define RXHDR_MIIERR 0x4000
> +#define RXHDR_CRCERR 0x2000
> +
> +
> +//------------------------------------------------------------------------------
> +// Data Types
> +//------------------------------------------------------------------------------
> +
> +/**
> + Ethernet header layout
> +
> + IEEE 802.3-2002 Part 3 specification, section 3.1.1.
> +**/
> +#pragma pack(1)
> +typedef struct {
> + UINT8 dest_addr[PXE_HWADDR_LEN_ETHER]; ///< Destination LAN address
> + UINT8 src_addr[PXE_HWADDR_LEN_ETHER]; ///< Source LAN address
> + UINT16 type; ///< Protocol or length
> +} ETHERNET_HEADER;
> +#pragma pack()
> +
> +/**
> + Receive and Transmit packet structure
> +**/
> +
> +
> +
> +
> +#pragma pack(1)
> +typedef struct _TX_PACKET {
> +// struct _TX_PACKET * pNext; ///< Next receive packet
> + UINT32 TxHdr1;
> + UINT32 TxHdr2;
> + UINT8 Data[ AX88179_MAX_PKT_SIZE ]; ///< Received packet data
> +} TX_PACKET;
> +#pragma pack()
> +
> +#pragma pack(1)
> +typedef struct _RX_PACKET {
> + struct _RX_PACKET * pNext;
> + UINT16 Length;
> + UINT16 EEEE;
> + UINT8 Data[ AX88179_MAX_PKT_SIZE ];
> +} RX_PACKET;
> +#pragma pack()
> +
> +
> +
> +
> +/**
> + AX88179 control structure
> +
> + The driver uses this structure to manage the Asix AX88179 10/100
> + Ethernet controller.
> +**/
> +typedef struct {
> + UINTN Signature; ///< Structure identification
> +
> + //
> + // USB data
> + //
> + EFI_HANDLE Controller; ///< Controller handle
> + EFI_USB_IO_PROTOCOL * pUsbIo; ///< USB driver interface
> +
No 'p' prefixes for pointers.
> + //
> + // Simple network protocol data
> + //
> + EFI_SIMPLE_NETWORK_PROTOCOL SimpleNetwork; ///< Driver's network stack interface
> + EFI_SIMPLE_NETWORK_MODE SimpleNetworkData; ///< Data for simple network
> +
> + //
> + // Ethernet controller data
> + //
> + BOOLEAN bInitialized; ///< Controller initialized
No 'b' prefixes for booleans
> + UINT16 PhyId; ///< PHY ID
> +
> + //
> + // Link state
> + //
> + BOOLEAN b100Mbps; ///< Current link speed, FALSE = 10 Mbps
> + BOOLEAN b1000Mbps; ///< Current link speed, FALSE = 100/10 bps
> + BOOLEAN bComplete; ///< Current state of auto-negotiation
> + BOOLEAN bFullDuplex; ///< Current duplex
> + BOOLEAN bLinkUp; ///< Current link state
> + BOOLEAN bLinkIdle; ///< TRUE = No received traffic
> + EFI_EVENT Timer; ///< Timer to monitor link state and receive packets
> + UINTN PollCount; ///< Number of times the autonegotiation status was polled
> + UINTN SkipRXCnt;
> +
> + UINT8 *pBulkInbuf;
> + UINT16 PktCnt;
> + UINT8 * pCurPktHdrOff;
> + UINT8 *pCurPktOff;
> +
> + TX_PACKET * pTxTest;
> +
> + INT8 MulticastHash[8];
> + EFI_MAC_ADDRESS MAC;
> +
> + UINT16 CurMediumStatus;
> + UINT16 CurRxControl;
> + VOID * pTxBuffer;
> +
> + EFI_DEVICE_PATH_PROTOCOL *MyDevPath;
> + BOOLEAN Grub_f;
wtf?
> + BOOLEAN bFirstRst;
> + BOOLEAN bSetZeroLen;
> + UINT8 rxburst;
CamelCase for variable names
> + UINTN usbMaxPktSize;
> +
> +} NIC_DEVICE;
> +
> +#define DEV_FROM_SIMPLE_NETWORK(a) CR (a, NIC_DEVICE, SimpleNetwork, DEV_SIGNATURE) ///< Locate NIC_DEVICE from Simple Network Protocol
> +
> +//------------------------------------------------------------------------------
> +// Simple Network Protocol
> +//------------------------------------------------------------------------------
> +
> +/**
> + Reset the network adapter.
> +
> + Resets a network adapter and reinitializes it with the parameters that
> + were provided in the previous call to Initialize (). The transmit and
> + receive queues are cleared. Receive filters, the station address, the
> + statistics, and the multicast-IP-to-HW MAC addresses are not reset by
> + this call.
> +
> + This routine calls ::Ax88179Reset to perform the adapter specific
> + reset operation. This routine also starts the link negotiation
> + by calling ::Ax88179NegotiateLinkStart.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] bExtendedVerification Indicates that the driver may perform a more
> + exhaustive verification operation of the device
> + during reset.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Reset (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN BOOLEAN bExtendedVerification
Keep the * with the variable name, and align vertically
> + );
> +
> +/**
> + Initialize the simple network protocol.
> +
> + This routine calls ::Ax88179MacAddressGet to obtain the
> + MAC address.
> +
> + @param [in] pNicDevice NIC_DEVICE_INSTANCE pointer
> +
> + @retval EFI_SUCCESS Setup was successful
> +
> +**/
> +EFI_STATUS
> +SN_Setup (
> + IN NIC_DEVICE * pNicDevice
> + );
> +
> +/**
> + This routine starts the network interface.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_ALREADY_STARTED The network interface was already started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Start (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
> + );
> +
> +/**
> + Set the MAC address.
> +
> + This function modifies or resets the current station address of a
> + network interface. If Reset is TRUE, then the current station address
> + is set ot the network interface's permanent address. If Reset if FALSE
> + then the current station address is changed to the address specified by
> + pNew.
> +
> + This routine calls ::Ax88179MacAddressSet to update the MAC address
> + in the network adapter.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] bReset Flag used to reset the station address to the
> + network interface's permanent address.
> + @param [in] pNew New station address to be used for the network
> + interface.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_StationAddress (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN BOOLEAN bReset,
> + IN EFI_MAC_ADDRESS * pNew
> + );
> +
> +/**
> + This function resets or collects the statistics on a network interface.
> + If the size of the statistics table specified by StatisticsSize is not
> + big enough for all of the statistics that are collected by the network
> + interface, then a partial buffer of statistics is returned in
> + StatisticsTable.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] bReset Set to TRUE to reset the statistics for the network interface.
> + @param [in, out] pStatisticsSize On input the size, in bytes, of StatisticsTable. On output
> + the size, in bytes, of the resulting table of statistics.
> + @param [out] pStatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure that
> + conains the statistics.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_BUFFER_TOO_SMALL The pStatisticsTable is NULL or the buffer is too small.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Statistics (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN BOOLEAN bReset,
> + IN OUT UINTN * pStatisticsSize,
> + OUT EFI_NETWORK_STATISTICS * pStatisticsTable
> + );
> +
> +/**
> + This function stops a network interface. This call is only valid
> + if the network interface is in the started state.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Stop (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
> + );
> +
> +/**
> + This function releases the memory buffers assigned in the Initialize() call.
> + Pending transmits and receives are lost, and interrupts are cleared and disabled.
> + After this call, only Initialize() and Stop() calls may be used.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Shutdown (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
> + );
> +
> +/**
> + Send a packet over the network.
> +
> + This function places the packet specified by Header and Buffer on
> + the transmit queue. This function performs a non-blocking transmit
> + operation. When the transmit is complete, the buffer is returned
> + via the GetStatus() call.
> +
> + This routine calls ::Ax88179Rx to empty the network adapter of
> + receive packets. The routine then passes the transmit packet
> + to the network adapter.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] HeaderSize The size, in bytes, of the media header to be filled in by
> + the Transmit() function. If HeaderSize is non-zero, then
> + it must be equal to SimpleNetwork->Mode->MediaHeaderSize
> + and DestAddr and Protocol parameters must not be NULL.
> + @param [in] BufferSize The size, in bytes, of the entire packet (media header and
> + data) to be transmitted through the network interface.
> + @param [in] pBuffer A pointer to the packet (media header followed by data) to
> + to be transmitted. This parameter can not be NULL. If
> + HeaderSize is zero, then the media header is Buffer must
> + already be filled in by the caller. If HeaderSize is nonzero,
> + then the media header will be filled in by the Transmit()
> + function.
> + @param [in] pSrcAddr The source HW MAC address. If HeaderSize is zero, then
> + this parameter is ignored. If HeaderSize is nonzero and
> + SrcAddr is NULL, then SimpleNetwork->Mode->CurrentAddress
> + is used for the source HW MAC address.
> + @param [in] pDestAddr The destination HW MAC address. If HeaderSize is zero, then
> + this parameter is ignored.
> + @param [in] pProtocol The type of header to build. If HeaderSize is zero, then
> + this parameter is ignored.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_NOT_READY The network interface is too busy to accept this transmit request.
> + @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Transmit (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN UINTN HeaderSize,
> + IN UINTN BufferSize,
> + IN VOID * pBuffer,
> + IN EFI_MAC_ADDRESS * pSrcAddr,
> + IN EFI_MAC_ADDRESS * pDestAddr,
> + IN UINT16 * pProtocol
> + );
> +
> +//------------------------------------------------------------------------------
> +// Support Routines
> +//------------------------------------------------------------------------------
> +
> +/**
> + Get the MAC address
> +
> + This routine calls ::Ax88179UsbCommand to request the MAC
> + address from the network adapter.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [out] pMacAddress Address of a six byte buffer to receive the MAC address.
> +
> + @retval EFI_SUCCESS The MAC address is available.
> + @retval other The MAC address is not valid.
> +
> +**/
> +EFI_STATUS
> +Ax88179MacAddressGet (
> + IN NIC_DEVICE * pNicDevice,
> + OUT UINT8 * pMacAddress
> + );
> +
> +
> +/**
> + Clear the multicast hash table
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> +
> +**/
> +VOID
> +Ax88179MulticastClear (
> + IN NIC_DEVICE * pNicDevice
> + );
> +
> +/**
> + Enable a multicast address in the multicast hash table
> +
> + This routine calls ::Ax88179Crc to compute the hash bit for
> + this MAC address.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] pMacAddress Address of a six byte buffer to containing the MAC address.
> +
> +**/
> +VOID
> +Ax88179MulticastSet (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT8 * pMacAddress
> + );
> +
> +/**
> + Start the link negotiation
> +
> + This routine calls ::Ax88179PhyWrite to start the PHY's link
> + negotiation.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> +
> + @retval EFI_SUCCESS The link negotiation was started.
> + @retval other Failed to start the link negotiation.
> +
> +**/
> +EFI_STATUS
> +Ax88179NegotiateLinkStart (
> + IN NIC_DEVICE * pNicDevice
> + );
> +
> +/**
> + Complete the negotiation of the PHY link
> +
> + This routine calls ::Ax88179PhyRead to determine if the
> + link negotiation is complete.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in, out] pPollCount Address of number of times this routine was polled
> + @param [out] pbComplete Address of boolean to receive complate status.
> + @param [out] pbLinkUp Address of boolean to receive link status, TRUE=up.
> + @param [out] pbHiSpeed Address of boolean to receive link speed, TRUE=100Mbps.
> + @param [out] pbFullDuplex Address of boolean to receive link duplex, TRUE=full.
> +
> + @retval EFI_SUCCESS The MAC address is available.
> + @retval other The MAC address is not valid.
> +
> +**/
> +EFI_STATUS
> +Ax88179NegotiateLinkComplete (
> + IN NIC_DEVICE * pNicDevice,
> + IN OUT UINTN * pPollCount,
> + OUT BOOLEAN * pbComplete,
> + OUT BOOLEAN * pbLinkUp,
> + OUT BOOLEAN * pbHiSpeed,
> + OUT BOOLEAN * pbGigaSpeed,
> + OUT BOOLEAN * pbFullDuplex
> + );
> +
> +/**
> + Read a register from the PHY
> +
> + This routine calls ::Ax88179UsbCommand to read a PHY register.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] RegisterAddress Number of the register to read.
> + @param [in, out] pPhyData Address of a buffer to receive the PHY register value
> +
> + @retval EFI_SUCCESS The PHY data is available.
> + @retval other The PHY data is not valid.
> +
> +**/
> +
> +
> +/**
> + Reset the AX88179
> +
> + This routine uses ::Ax88179UsbCommand to reset the network
> + adapter. This routine also uses ::Ax88179PhyWrite to reset
> + the PHY.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> +
> + @retval EFI_SUCCESS The MAC address is available.
> + @retval other The MAC address is not valid.
> +
> +**/
> +EFI_STATUS
> +Ax88179Reset (
> + IN NIC_DEVICE * pNicDevice
> + );
> +#if 0
> +/**
> + Receive a frame from the network.
> +
> + This routine polls the USB receive interface for a packet. If a packet
> + is available, this routine adds the receive packet to the list of
> + pending receive packets.
> +
> + This routine calls ::Ax88179NegotiateLinkComplete to verify
> + that the link is up. This routine also calls ::SN_Reset to
> + reset the network adapter when necessary. Finally this
> + routine attempts to receive one or more packets from the
> + network adapter.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] bUpdateLink TRUE = Update link status
> +
> +**/
> +VOID
> +Ax88179Rx (
> + IN NIC_DEVICE * pNicDevice,
> + IN BOOLEAN bUpdateLink
> + );
> +#endif
> +/**
> + Enable or disable the receiver
> +
> + This routine calls ::Ax88179UsbCommand to update the
> + receiver state. This routine also calls ::Ax88179MacAddressSet
> + to establish the MAC address for the network adapter.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] RxFilter Simple network RX filter mask value
> +
> + @retval EFI_SUCCESS The MAC address was set.
> + @retval other The MAC address was not set.
> +
> +**/
> +EFI_STATUS
> +Ax88179RxControl (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT32 RxFilter
> + );
> +
> + EFI_STATUS
> +Ax88179ReloadSrom (
> + IN NIC_DEVICE * pNicDevice
> + );
> +
> +/**
> + Read an SROM location
> +
> + This routine calls ::Ax88179UsbCommand to read data from the
> + SROM.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] Address SROM address
> + @param [out] pData Buffer to receive the data
> +
> + @retval EFI_SUCCESS The read was successful
> + @retval other The read failed
> +
> +**/
> +EFI_STATUS
> +Ax88179SromRead (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT32 Address,
> + OUT UINT16 * pData
> + );
> +
> +
> +EFI_STATUS
> +Ax88179EnableSromWrite (
> + IN NIC_DEVICE * pNicDevice
> + );
> +
> +
> +EFI_STATUS
> +Ax88179DisableSromWrite (
> + IN NIC_DEVICE * pNicDevice
> + );
> +
> +EFI_STATUS
> +Ax88179SromWrite (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT32 Address,
> + OUT UINT16 * pData
> + );
> +
> +/**
> + Send a command to the USB device.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] pRequest Pointer to the request structure
> + @param [in, out] pBuffer Data buffer address
> +
> + @retval EFI_SUCCESS The USB transfer was successful
> + @retval other The USB transfer failed
> +
> +**/
> +
> +EFI_STATUS
> +Ax88179UsbCommand (
> + IN NIC_DEVICE * pNicDevice,
> + IN USB_DEVICE_REQUEST * pRequest,
> + IN OUT VOID * pBuffer
> + );
> +
> +//------------------------------------------------------------------------------
> +// EFI Component Name Protocol Support
> +//------------------------------------------------------------------------------
> +extern EFI_DRIVER_BINDING_PROTOCOL gDriverBinding;
> +extern EFI_COMPONENT_NAME_PROTOCOL gComponentName; ///< Component name protocol declaration
> +extern EFI_COMPONENT_NAME2_PROTOCOL gComponentName2; ///< Component name 2 protocol declaration
> +
> +/**
> + Retrieves a Unicode string that is the user readable name of the driver.
> +
> + This function retrieves the user readable name of a driver in the form of a
> + Unicode string. If the driver specified by This has a user readable name in
> + the language specified by Language, then a pointer to the driver name is
> + returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
> + by This does not support the language specified by Language,
> + then EFI_UNSUPPORTED is returned.
> +
> + @param [in] pThis A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
> + EFI_COMPONENT_NAME_PROTOCOL instance.
> + @param [in] pLanguage A pointer to a Null-terminated ASCII string
> + array indicating the language. This is the
> + language of the driver name that the caller is
> + requesting, and it must match one of the
> + languages specified in SupportedLanguages. The
> + number of languages supported by a driver is up
> + to the driver writer. Language is specified
> + in RFC 3066 or ISO 639-2 language code format.
> + @param [out] ppDriverName A pointer to the Unicode string to return.
> + This Unicode string is the name of the
> + driver specified by This in the language
> + specified by Language.
> +
> + @retval EFI_SUCCESS The Unicode string for the Driver specified by
> + This and the language specified by Language was
> + returned in DriverName.
> + @retval EFI_INVALID_PARAMETER Language is NULL.
> + @retval EFI_INVALID_PARAMETER DriverName is NULL.
> + @retval EFI_UNSUPPORTED The driver specified by This does not support
> + the language specified by Language.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +GetDriverName (
> + IN EFI_COMPONENT_NAME_PROTOCOL * pThis,
> + IN CHAR8 * pLanguage,
> + OUT CHAR16 ** ppDriverName
> + );
> +
> +
> +/**
> + Retrieves a Unicode string that is the user readable name of the controller
> + that is being managed by a driver.
> +
> + This function retrieves the user readable name of the controller specified by
> + ControllerHandle and ChildHandle in the form of a Unicode string. If the
> + driver specified by This has a user readable name in the language specified by
> + Language, then a pointer to the controller name is returned in ControllerName,
> + and EFI_SUCCESS is returned. If the driver specified by This is not currently
> + managing the controller specified by ControllerHandle and ChildHandle,
> + then EFI_UNSUPPORTED is returned. If the driver specified by This does not
> + support the language specified by Language, then EFI_UNSUPPORTED is returned.
> +
> + @param [in] pThis A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
> + EFI_COMPONENT_NAME_PROTOCOL instance.
> + @param [in] ControllerHandle The handle of a controller that the driver
> + specified by This is managing. This handle
> + specifies the controller whose name is to be
> + returned.
> + @param [in] ChildHandle The handle of the child controller to retrieve
> + the name of. This is an optional parameter that
> + may be NULL. It will be NULL for device
> + drivers. It will also be NULL for a bus drivers
> + that wish to retrieve the name of the bus
> + controller. It will not be NULL for a bus
> + driver that wishes to retrieve the name of a
> + child controller.
> + @param [in] pLanguage A pointer to a Null-terminated ASCII string
> + array indicating the language. This is the
> + language of the driver name that the caller is
> + requesting, and it must match one of the
> + languages specified in SupportedLanguages. The
> + number of languages supported by a driver is up
> + to the driver writer. Language is specified in
> + RFC 3066 or ISO 639-2 language code format.
> + @param [out] ppControllerName A pointer to the Unicode string to return.
> + This Unicode string is the name of the
> + controller specified by ControllerHandle and
> + ChildHandle in the language specified by
> + Language from the point of view of the driver
> + specified by This.
> +
> + @retval EFI_SUCCESS The Unicode string for the user readable name in
> + the language specified by Language for the
> + driver specified by This was returned in
> + DriverName.
> + @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
> + @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
> + EFI_HANDLE.
> + @retval EFI_INVALID_PARAMETER Language is NULL.
> + @retval EFI_INVALID_PARAMETER ControllerName is NULL.
> + @retval EFI_UNSUPPORTED The driver specified by This is not currently
> + managing the controller specified by
> + ControllerHandle and ChildHandle.
> + @retval EFI_UNSUPPORTED The driver specified by This does not support
> + the language specified by Language.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +GetControllerName (
> + IN EFI_COMPONENT_NAME_PROTOCOL * pThis,
> + IN EFI_HANDLE ControllerHandle,
> + IN OPTIONAL EFI_HANDLE ChildHandle,
> + IN CHAR8 * pLanguage,
> + OUT CHAR16 ** ppControllerName
> + );
> +
> +EFI_STATUS
> +Ax88179SetMedium (
> + IN NIC_DEVICE * pNicDevice
> + );
> +//-----------------------------------------------------------------------------
> +
> +
> +
> +
> +
> +#define ACCESS_MAC 0x01
> +#define ACCESS_PHY 0x02
> +
> +#define PLSR 0x02
> + #define PLSR_USB_FS 0x01
> + #define PLSR_USB_HS 0x02
> + #define PLSR_USB_SS 0x04
> +
> +#define NODE_ID 0x10
> +
> +#define RXCTL 0x0b
> + #define RXCTL_PRO 0x0001 ///< Receive all packets
> + #define RXCTL_AMALL 0x0002 ///< Receive all multicast packets
> + #define RXCTL_SEP 0x0004 ///< Save error packets
> + #define RXCTL_AB 0x0008 ///< Receive broadcast packets
> + #define RXCTL_AM 0x0010 ///< Use multicast destination address hash table
> + #define RXCTL_AP 0x0020 ///< Accept physical address from Multicast Filter
> + #define RXCTL_ARP 0x0040 ///< Accept runt packet
> + #define RXCTL_SO 0x0080 ///< Start operation
> + #define RXCTL_DROPCRCERR 0x0100 ///< RX header 1 formate selection
> + #define RXCTL_IPE 0x0200 ///< RX header 2 formate selection
> + #define RXCTL_TXPADCRC 0x0400 ///< RX header 3 formate selection
> + #define RXCTL_LPBK 0x1000 ///< MAC loop back for diagnostic
> +
> +#define MULCATFLTARRY 0x16 ///< Write the multicast hash table, Data: New 8 byte value
> +
> +#define MEDIUMSTSMOD 0x22
> + #define MEDIUMSTSMOD_GM 0x0001 ///< Gigabit Mode
> + #define MEDIUMSTSMOD_FD 0x0002 ///< Full duplex
> + #define MEDIUMSTSMOD_ONE 0x0004 ///< Must be one
> + #define MEDIUMSTSMOD_ENCK 0x0008 ///< Add in 04h
> + #define MEDIUMSTSMOD_RFC 0x0010 ///< RX flow control enable
> + #define MEDIUMSTSMOD_TFC 0x0020 ///< TX flow control enable
> + #define MEDIUMSTSMOD_JFE 0x0040 ///< Pause frame enable
> + #define MEDIUMSTSMOD_PF 0x0080 ///< Pause frame enable
> + #define MEDIUMSTSMOD_RE 0x0100 ///< Receive enable
> + #define MEDIUMSTSMOD_PS 0x0200 ///< Port speed 1=100, 0=10 Mbps
> + #define MEDIUMSTSMOD_SBP 0x0800 ///< Stop back pressure
> + #define MEDIUMSTSMOD_SM 0x1000 ///< Super MAC support
> +
> +#define MONITORSTAUS 0x24
> + #define MONITORSTAUS_PMETYPE 0x40
> + #define MONITORSTAUS_PMEPOL 0x20
> +
> +#define PHYPWRRSTCTL 0x26
> + #define PHYPWRRSTCTL_IPRL 0x20
> + #define PHYPWRRSTCTL_OSCDSSEL 0x80
> + #define PHYPWRRSTCTL_BZTYPE 0x4
> + #define PHYPWRRSTCTL_BZ 0x10
> +
> +#define SISSR 0x28
> + #define SISSR_PSEL 0x01
> + #define SISSR_ASEL 0x02
> +
> +#define RXBINQCTRL 0x2e
> + #define RXBINQCTRL_TIMEN 0x01
> + #define RXBINQCTRL_IFGEN 0x02
> + #define RXBINQCTRL_SIZEN 0x04
> +
> +#define RXBINQTIMERL 0x2f
> +#define RXBINQTIMERH 0x30
> +#define RXBINQSIZE 0x31
> +#define RXBINQIFG 0x32
> +
> +#define CLKSELECT 0x33
> + #define CLKSELECT_ACS 0x02
> + #define CLKSELECT_BCS 0x01
> +
> +#define PAUSE_WATERLVL_HIGH 0x54
> +#define PAUSE_WATERLVL_LOW 0x55
> +
> +#define RXFREEBUF 0x57
> + #define MAX_RXBUF_PAGE 0x067F
> +
> +#define PHY_BMCR 0 ///< Control register
> + #define BMCR_RESET 0x8000 ///< 1 = Reset the PHY, bit clears after reset
> + #define BMCR_LOOPBACK 0x4000 ///< 1 = Loopback enabled
> + #define BMCR_AUTONEGOTIATION_ENABLE 0x1000 ///< 1 = Enable autonegotiation
> + #define BMCR_POWER_DOWN 0x0800 ///< 1 = Power down
> + #define BMCR_ISOLATE 0x0400 ///< 0 = Isolate PHY
> + #define BMCR_RESTART_AUTONEGOTIATION 0x0200 ///< 1 = Restart autonegotiation
> + #define BMCR_FULL_DUPLEX 0x0100 ///< Full duplex operation
> + #define BMCR_COLLISION_TEST 0x0080 ///< 1 = Collision test enabled
> + #define BMCR_1000MBPS 0x40 ///< Forced mode in 1000Mbps
> + #define BMCR_100MBPS 0x2000 ///< Forced mode in 10Mbps
> +
> +#define PHY_BMSR 1 ///< Status register
> + #define BMSR_100BASET4 0x8000 ///< 1 = 100BASE-T4 mode
> + #define BMSR_100BASETX_FDX 0x4000 ///< 1 = 100BASE-TX full duplex
> + #define BMSR_100BASETX_HDX 0x2000 ///< 1 = 100BASE-TX half duplex
> + #define BMSR_10BASET_FDX 0x1000 ///< 1 = 10BASE-T full duplex
> + #define BMSR_10BASET_HDX 0x0800 ///< 1 = 10BASE-T half duplex
> + #define BMSR_MF 0x0040 ///< 1 = PHY accepts frames with preamble suppressed
> + #define BMSR_AUTONEG_CMPLT 0x0020 ///< 1 = Autonegotiation complete
> + #define BMSR_RF 0x0010 ///< 1 = Remote fault
> + #define BMSR_AUTONEG 0x0008 ///< 1 = Able to perform autonegotiation
> + #define BMSR_LINKST 0x0004 ///< 1 = Link up
> + #define BMSR_JABBER_DETECT 0x0002 ///< 1 = jabber condition detected
> + #define BMSR_EXTENDED_CAPABILITY 0x0001 ///< 1 = Extended register capable
> +
> +#define PHY_ANAR 4 ///< Autonegotiation advertisement register
> + #define AN_NP 0x8000 ///< 1 = Next page available
> + #define AN_RF 0x2000 ///< 1 = Remote fault indicated by link partner
> + #define AN_FCS 0x0400 ///< 1 = Flow control ability
> + #define AN_T4 0x0200 ///< 1 = 100BASE-T4 support
> + #define AN_TX_FDX 0x0100 ///< 1 = 100BASE-TX Full duplex
> + #define AN_TX_HDX 0x0080 ///< 1 = 100BASE-TX support
> + #define AN_10_FDX 0x0040 ///< 1 = 10BASE-T Full duplex
> + #define AN_10_HDX 0x0020 ///< 1 = 10BASE-T support
> + #define AN_CSMA_CD 0x0001 ///< 1 = IEEE 802.3 CSMA/CD support
> +
> +#define PHY_ANLPAR 5 ///< Autonegotiation link parter ability register
> +
> +#define PHY_PHYSR 0x11
> + #define PHYSR_SPEED_MASK 0xC000
> + #define PHYSR_1000 0x8000
> + #define PHYSR_100 0x4000
> + #define PHYSR_FULLDUP 0x2000
> + #define PHYSR_LINK 0x400
> +
> +EFI_STATUS
> +Ax88179PhyRead (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT8 RegisterAddress,
> + IN OUT UINT16 * pPhyData
> + );
> +
> +EFI_STATUS
> +Ax88179PhyWrite (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT8 RegisterAddress,
> + IN UINT16 PhyData
> + );
> +
> +EFI_STATUS
> +Ax88179MacRead (
> + IN UINT8 Offset,
> + IN UINT8 Length,
> + IN NIC_DEVICE * pNicDevice,
> + IN OUT VOID * pData
> + );
> +
> +EFI_STATUS
> +Ax88179SetIInInterval (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT8 Offset
> + );
> +
> +EFI_STATUS
> +Ax88179MacWrite (
> + IN UINT8 Offset,
> + IN UINT8 Length,
> + IN NIC_DEVICE * pNicDevice,
> + IN OUT VOID * pData
> + );
> +
> +EFI_STATUS
> +Ax88179MacAddressGet (
> + IN NIC_DEVICE * pNicDevice,
> + OUT UINT8 * pMacAddress
> + );
> +
> +EFI_STATUS
> +Ax88179MacAddressSet (
> + IN NIC_DEVICE * pNicDevice,
> + OUT UINT8 * pMacAddress
> + );
> +
> +BOOLEAN
> +Ax88179GetLinkStatus (
> + IN NIC_DEVICE * pNicDevice
> +);
> +
> +EFI_STATUS
> +Ax88179BulkIn(
> + IN NIC_DEVICE * pNicDevice
> +);
> +
> +
> +#endif // _AX88179_H_
> diff --git a/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.c b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.c
> new file mode 100644
> index 000000000000..7b2db9b74285
> --- /dev/null
> +++ b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/Ax88179.c
> @@ -0,0 +1,1026 @@
> + /** @file
> + Implement the interface to the AX88179 Ethernet controller.
> +
> + This module implements the interface to the ASIX AX88179
> + USB to Ethernet MAC with integrated 10/100 PHY. Note that this implementation
> + only supports the integrated PHY since no other test cases were available.
> +
> + Copyright (c) 2011, Intel Corporation
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include "Ax88179.h"
> +
> +
> +/**
> + Compute the CRC
> +
> + @param [in] pMacAddress Address of a six byte buffer to containing the MAC address.
> +
> + @returns The CRC-32 value associated with this MAC address
> +
> +**/
> +UINT32
> +Ax88179Crc (
Do we really need our own CRC implementation?
> + IN UINT8 * pMacAddress
> + )
> +{
> + UINT32 BitNumber;
> + INT32 Carry;
> + INT32 Crc;
> + UINT32 Data;
> + UINT8 * pEnd;
> +
> + //
> + // Walk the MAC address
> + //
> + Crc = -1;
> + pEnd = &pMacAddress[ PXE_HWADDR_LEN_ETHER ];
> + while ( pEnd > pMacAddress ) {
> + Data = *pMacAddress++;
> +
> +
> + //
> + // CRC32: x32 + x26 + x23 + x22 + x16 + x12 + x11 + x10 + x8 + x7 + x5 + x4 + x2 + x + 1
> + //
> + // 1 0000 0100 1100 0001 0001 1101 1011 0111
> + //
> + for ( BitNumber = 0; 8 > BitNumber; BitNumber++ ) {
> + Carry = (( Crc >> 31 ) & 1 ) ^ ( Data & 1 );
> + Crc <<= 1;
> + if ( 0 != Carry ) {
> + Crc ^= 0x04c11db7;
> + }
> + Data >>= 1;
> + }
> + }
> +
> + //
> + // Return the CRC value
> + //
> + return (UINT32) Crc;
> +}
> +
> +/**
> + Get the MAC address
> +
> + This routine calls ::Ax88179UsbCommand to request the MAC
> + address from the network adapter.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [out] pMacAddress Address of a six byte buffer to receive the MAC address.
> +
> + @retval EFI_SUCCESS The MAC address is available.
> + @retval other The MAC address is not valid.
> +
> +**/
> +EFI_STATUS
> +Ax88179MacAddressGet (
> + IN NIC_DEVICE * pNicDevice,
> + OUT UINT8 * pMacAddress
> + )
> +{
> + EFI_STATUS Status;
> +
> + Status = Ax88179MacRead (NODE_ID,
> + PXE_HWADDR_LEN_ETHER,
> + pNicDevice,
> + pMacAddress);
> +
> + return Status;
> +}
> +
> +/**
> + Set the MAC address
> +
> + This routine calls ::Ax88179UsbCommand to set the MAC address
> + in the network adapter.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] pMacAddress Address of a six byte buffer to containing the new MAC address.
> +
> + @retval EFI_SUCCESS The MAC address was set.
> + @retval other The MAC address was not set.
> +
> +**/
> +EFI_STATUS
> +Ax88179MacAddressSet (
> + IN NIC_DEVICE * pNicDevice,
> + OUT UINT8 * pMacAddress
> + )
> +{
> + EFI_STATUS Status;
> +
> + Status = Ax88179MacWrite (NODE_ID,
> + PXE_HWADDR_LEN_ETHER,
> + pNicDevice,
> + pMacAddress);
> +
> + return Status;
> +}
> +
> +/**
> + Clear the multicast hash table
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> +
> +**/
> +VOID
> +Ax88179MulticastClear (
> + IN NIC_DEVICE * pNicDevice
> + )
> +{
> + int i = 0;
> + //
> + // Clear the multicast hash table
> + //
> +
> + for ( i = 0 ; i < 8 ; i++ )
> + pNicDevice->MulticastHash[i] = 0;
> +}
> +/**
> + Enable a multicast address in the multicast hash table
> +
> + This routine calls ::Ax88179Crc to compute the hash bit for
> + this MAC address.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] pMacAddress Address of a six byte buffer to containing the MAC address.
> +
> +**/
> +VOID
> +Ax88179MulticastSet (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT8 * pMacAddress
> + )
> +{
> + UINT32 Crc;
> + //
> + // Compute the CRC on the destination address
> + //
> + Crc = Ax88179Crc (pMacAddress) >> 26;
> + //
> + // Set the bit corresponding to the destination address
> + //
> + pNicDevice->MulticastHash [ Crc >> 3 ] |= ( 1<< (Crc& 7));
No space inside [] or before [
Spaces around << and &
> +}
> +
> +/**
> + Start the link negotiation
> +
> + This routine calls ::Ax88179PhyWrite to start the PHY's link
> + negotiation.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> +
> + @retval EFI_SUCCESS The link negotiation was started.
> + @retval other Failed to start the link negotiation.
> +
> +**/
> +EFI_STATUS
> +Ax88179NegotiateLinkStart (
> + IN NIC_DEVICE * pNicDevice
> + )
> +{
> + UINT16 Control = 0;
> + EFI_STATUS Status;
> +
> +#if FORCE_100Mbps
> + Ax88179PhyRead ( pNicDevice,
> + 0x09,
> + &Control );
> + Control &= 0xFCFF;
> + Ax88179PhyWrite ( pNicDevice, 0x09, Control );
> +#endif
> +
> + //
> + // Set the link speed and duplex
> + //
> + Control = BMCR_AUTONEGOTIATION_ENABLE
> + | BMCR_RESTART_AUTONEGOTIATION;
> + if ( pNicDevice->b1000Mbps ) {
> + Control |= BMCR_1000MBPS;
> + } else if ( pNicDevice->b100Mbps ) {
> + Control |= BMCR_100MBPS;
> + }
> +
> + if ( pNicDevice->bFullDuplex ) {
> + Control |= BMCR_FULL_DUPLEX;
> + }
> + Status = Ax88179PhyWrite ( pNicDevice, PHY_BMCR, Control );
> + if (!EFI_ERROR(Status))
> + gBS->Stall(3000000);
> + //
> + // Return the operation status
> + //
> + return Status;
> +}
> +
> +/**
> + Complete the negotiation of the PHY link
> +
> + This routine calls ::Ax88179PhyRead to determine if the
> + link negotiation is complete.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in, out] pPollCount Address of number of times this routine was polled
> + @param [out] pbComplete Address of boolean to receive complate status.
> + @param [out] pbLinkUp Address of boolean to receive link status, TRUE=up.
> + @param [out] pbHiSpeed Address of boolean to receive link speed, TRUE=100Mbps.
> + @param [out] pbFullDuplex Address of boolean to receive link duplex, TRUE=full.
> +
> + @retval EFI_SUCCESS The MAC address is available.
> + @retval other The MAC address is not valid.
> +
> +**/
> +EFI_STATUS
> +Ax88179NegotiateLinkComplete (
> + IN NIC_DEVICE * pNicDevice,
> + IN OUT UINTN * pPollCount,
> + OUT BOOLEAN * pbComplete,
> + OUT BOOLEAN * pbLinkUp,
> + OUT BOOLEAN * pbHiSpeed,
> + OUT BOOLEAN * pbGigaSpeed,
> + OUT BOOLEAN * pbFullDuplex
> + )
> +{
> + UINT16 PhyData;
> + EFI_STATUS Status;
> +
> + //
> + // Determine if the link is up.
> + //
> + *pbComplete = FALSE;
> +
> + //
> + // Get the link status
> + //
> + Status = Ax88179PhyRead ( pNicDevice,
> + PHY_PHYSR,
> + &PhyData );
> +
> + if ( !EFI_ERROR ( Status )) {
> + *pbLinkUp = (BOOLEAN)( 0 != ( PhyData & PHYSR_LINK ));
No yoda style comparisons please.
No redundant casts of boolean expressions to BOOLEAN
> + if (*pbLinkUp) {
> + //
> + // Determine if the autonegotiation is complete.
> + //
> + Status = Ax88179PhyRead ( pNicDevice,
> + PHY_BMSR,
> + &PhyData );
> + if ( !EFI_ERROR (Status)) {
> + *pbComplete = (BOOLEAN)( 0 != ( PhyData & BMSR_AUTONEG_CMPLT ));
> +
> + if ( 0 != *pbComplete ) {
> + //
> + // Get the partners capabilities.
> + //
> + Status = Ax88179PhyRead ( pNicDevice,
> + PHY_PHYSR,
> + &PhyData );
> + if ( !EFI_ERROR ( Status )) {
> + //
> + // Autonegotiation is complete
> + // Determine the link speed.
> + //
> + *pbGigaSpeed = (BOOLEAN) (( PhyData & PHYSR_SPEED_MASK ) == PHYSR_1000 );
> + *pbHiSpeed = (BOOLEAN)(( PhyData & PHYSR_SPEED_MASK ) == PHYSR_100 );
> +
> + //
> + // Determine the link duplex.
> + //
> + *pbFullDuplex = (BOOLEAN)( (PhyData & PHYSR_FULLDUP) == PHYSR_FULLDUP);
> + }
> + }
> + }
> + }
> + }
> +
> +
> + //
> + // Return the operation status
> + //
> + return Status;
> +}
> +
> +
> +/**
> + Read a register from the PHY
> +
> + This routine calls ::Ax88179UsbCommand to read a PHY register.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] RegisterAddress Number of the register to read.
> + @param [in, out] pPhyData Address of a buffer to receive the PHY register value
> +
> + @retval EFI_SUCCESS The PHY data is available.
> + @retval other The PHY data is not valid.
> +
> +**/
> +EFI_STATUS
> +Ax88179PhyRead (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT8 RegisterAddress,
> + IN OUT UINT16 * pPhyData
> + )
> +{
> + USB_DEVICE_REQUEST SetupMsg;
> + EFI_STATUS Status;
> +
> + //
> + // Read the PHY register address.
> + //
> + SetupMsg.RequestType = USB_ENDPOINT_DIR_IN
> + | USB_REQ_TYPE_VENDOR
> + | USB_TARGET_DEVICE;
> + SetupMsg.Request = ACCESS_PHY;
> + SetupMsg.Value = pNicDevice->PhyId;
> + SetupMsg.Index = RegisterAddress;
> + SetupMsg.Length = sizeof ( *pPhyData );
> + Status = Ax88179UsbCommand ( pNicDevice,
> + &SetupMsg,
> + pPhyData );
> +
> + //
> + // Return the operation status.
> + //
> + return Status;
> +}
> +
> +
> +/**
> + Write to a PHY register
> +
> + This routine calls ::Ax88179UsbCommand to write a PHY register.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] RegisterAddress Number of the register to read.
> + @param [in] PhyData Address of a buffer to receive the PHY register value
> +
> + @retval EFI_SUCCESS The PHY data was written.
> + @retval other Failed to wwrite the PHY register.
> +
> +**/
> +EFI_STATUS
> +Ax88179PhyWrite (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT8 RegisterAddress,
> + IN UINT16 PhyData
> + )
> +{
> + USB_DEVICE_REQUEST SetupMsg;
> + EFI_STATUS Status;
> +
> + //
> + // Write the PHY register
> + //
> + SetupMsg.RequestType = USB_REQ_TYPE_VENDOR
> + | USB_TARGET_DEVICE;
> + SetupMsg.Request = ACCESS_PHY;
> + SetupMsg.Value = pNicDevice->PhyId;
> + SetupMsg.Index = RegisterAddress;
> + SetupMsg.Length = sizeof ( PhyData );
> + Status = Ax88179UsbCommand ( pNicDevice,
> + &SetupMsg,
> + &PhyData );
> + //
> + // Return the operation status.
> + //
> + return Status;
> +}
> +
> +
> +/**
> + Reset the AX88179
> +
> + This routine uses ::Ax88179UsbCommand to reset the network
> + adapter. This routine also uses ::Ax88179PhyWrite to reset
> + the PHY.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> +
> + @retval EFI_SUCCESS The MAC address is available.
> + @retval other The MAC address is not valid.
> +
> +**/
> +EFI_STATUS
> +Ax88179Reset (
> + IN NIC_DEVICE * pNicDevice
> + )
> +{
> + EFI_STATUS Status;
> + UINT16 val;
> + UINT8 val8;
> +
> + Status = Ax88179SetIInInterval(pNicDevice, 0xff);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + val8 = 0;
> + Status = Ax88179MacRead (PLSR,
> + sizeof(val8),
> + pNicDevice,
> + &val8);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + if (val8 & PLSR_USB_SS)
> + pNicDevice->usbMaxPktSize = 1024;
> + else
> + pNicDevice->usbMaxPktSize = 512;
> +
> + val = 0;
> + Status = Ax88179MacWrite ( PHYPWRRSTCTL,
> + sizeof (val),
> + pNicDevice,
> + &val);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + gBS->Stall ( 10000 );
> +
> + val = PHYPWRRSTCTL_IPRL;
> + Status = Ax88179MacWrite ( PHYPWRRSTCTL,
> + sizeof (val),
> + pNicDevice,
> + &val);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + gBS->Stall ( 200000 );
> +
> + val = CLKSELECT_BCS | CLKSELECT_ACS;
> + Status = Ax88179MacWrite ( CLKSELECT,
> + 1,
> + pNicDevice,
> + &val);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + gBS->Stall ( 100000 );
> +
> + val = 0x52;
> + Status = Ax88179MacWrite ( PAUSE_WATERLVL_HIGH,
> + 1,
> + pNicDevice,
> + &val);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + val = 0x34;
> + Status = Ax88179MacWrite ( PAUSE_WATERLVL_LOW,
> + 1,
> + pNicDevice,
> + &val);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + val = RXBINQCTRL_TIMEN | RXBINQCTRL_IFGEN | RXBINQCTRL_SIZEN;
> +
> + Status = Ax88179MacWrite ( RXBINQCTRL,
> + 0x01,
> + pNicDevice,
> + &val);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + val = 0;
> + Status = Ax88179MacWrite ( RXBINQTIMERL,
> + 0x01,
> + pNicDevice,
> + &val);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + val = 0;
> + Status = Ax88179MacWrite ( RXBINQTIMERH,
> + 0x01,
> + pNicDevice,
> + &val);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + val = 12; //AX88179_BULKIN_SIZE_INK - 1;
> + Status = Ax88179MacWrite ( RXBINQSIZE,
> + 0x01,
> + pNicDevice,
> + &val);
> +
> + if (EFI_ERROR(Status)) goto err;
> +
> + val = 0x0F;
> + Status = Ax88179MacWrite ( RXBINQIFG,
> + 0x01,
> + pNicDevice,
> + &val);
> +
> +err:
Leading uppercase for labels please
> + return Status;
> +}
> +
> +EFI_STATUS
> +Ax88179RxControl (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT32 RxFilter
> + )
> +{
> + UINT16 MediumStatus;
> + UINT16 RxControl = 0;
> + EFI_STATUS Status = EFI_SUCCESS;
> + //
> + // Enable the receiver if something is to be received
> + //
> + if ( 0 != RxFilter ) {
> + //
> + // Enable the receiver
> + //
> + Status = Ax88179MacRead (MEDIUMSTSMOD,
> + sizeof ( MediumStatus ),
> + pNicDevice,
> + &MediumStatus);
> +
> + if ( !EFI_ERROR ( Status ) && pNicDevice->CurMediumStatus != MediumStatus) {
> + MediumStatus = MEDIUMSTSMOD_RE | MEDIUMSTSMOD_ONE;
> + if ( pNicDevice->bFullDuplex ) {
> + MediumStatus |= MEDIUMSTSMOD_TFC | MEDIUMSTSMOD_RFC | MEDIUMSTSMOD_FD;
> + } else {
> + MediumStatus &= ~(MEDIUMSTSMOD_TFC | MEDIUMSTSMOD_RFC | MEDIUMSTSMOD_FD);
> + }
> + if ( pNicDevice->b1000Mbps ) {
> + MediumStatus |= MEDIUMSTSMOD_GM;
> + MediumStatus |= MEDIUMSTSMOD_ENCK;
> + MediumStatus &= ~MEDIUMSTSMOD_PS;
> + } else {
> + MediumStatus &= ~MEDIUMSTSMOD_GM;
> + MediumStatus &= ~MEDIUMSTSMOD_ENCK;
> + if ( pNicDevice->b100Mbps ) {
> + MediumStatus |= MEDIUMSTSMOD_PS;
> + } else {
> + MediumStatus &= ~MEDIUMSTSMOD_PS;
> + }
> + }
> + Status = Ax88179MacWrite (MEDIUMSTSMOD,
> + sizeof ( MediumStatus ),
> + pNicDevice,
> + &MediumStatus);
> + if ( !EFI_ERROR ( Status ))
> + pNicDevice->CurMediumStatus = MediumStatus;
> + }
> + }
> +
> + RxControl = RXCTL_SO | RXCTL_IPE;
> +
> + //
> + // Enable multicast if requested
> + //
> + if ( 0 != ( RxFilter & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST )) {
> + RxControl |= RXCTL_AM;
> + //
> + // Update the multicast hash table
> + //
> + Status = Ax88179MacWrite (MULCATFLTARRY,
> + 8,
> + pNicDevice,
> + &pNicDevice->MulticastHash );
> + }
> +
> + //
> + // Enable all multicast if requested
> + //
> + if ( 0 != ( RxFilter & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST )) {
> + RxControl |= RXCTL_AMALL;
> + }
> + //
> + // Enable broadcast if requested
> + //
> + if ( 0 != ( RxFilter & EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST )) {
> + RxControl |= RXCTL_AB;
> + }
> +
> + //
> + // Enable promiscuous mode if requested
> + //
> + if ( 0 != ( RxFilter & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS )) {
> + RxControl |= RXCTL_PRO;
> + }
> +
> + //
> + // Update the receiver control
> + //
> + if (pNicDevice->CurRxControl != RxControl) {
> + Status = Ax88179MacWrite (RXCTL,
> + 0x02,
> + pNicDevice,
> + &RxControl);
> + if ( !EFI_ERROR ( Status ))
> + pNicDevice->CurRxControl = RxControl;
> + }
> +
> + //
> + // Return the operation status
> + //
> + return Status;
> +}
> +
> +EFI_STATUS
> +Ax88179ReloadSrom (
> + IN NIC_DEVICE * pNicDevice
> + )
> +{
> + EFI_STATUS Status;
> +
> + Status = EFI_UNSUPPORTED;
> + return Status;
> +
> +}
> +
> +/**
> + Read an SROM location
> +
> + This routine calls ::Ax88179UsbCommand to read data from the
> + SROM.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] Address SROM address
> + @param [out] pData Buffer to receive the data
> +
> + @retval EFI_SUCCESS The read was successful
> + @retval other The read failed
> +
> +**/
> +EFI_STATUS
> +Ax88179SromRead (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT32 Address,
> + OUT UINT16 * pData
> + )
> +{
> + EFI_STATUS Status;
> +
> + Status = EFI_UNSUPPORTED;
> + return Status;
> +}
> +
> +EFI_STATUS
> +Ax88179EnableSromWrite (
> + IN NIC_DEVICE * pNicDevice
> + )
> +{
> + EFI_STATUS Status;
> +
> + Status = EFI_UNSUPPORTED;
> + return Status;
> +}
> +
> +
> +EFI_STATUS
> +Ax88179DisableSromWrite (
> + IN NIC_DEVICE * pNicDevice
> + )
> +{
> + EFI_STATUS Status;
> +
> + Status = EFI_UNSUPPORTED;
> + return Status;
> +}
> +
> +/**
> + Write an SROM location
> +
> + This routine calls ::Ax88179UsbCommand to write data from the
> + SROM.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] Address SROM address
> + @param [out] pData Buffer of data to write
> +
> + @retval EFI_SUCCESS The write was successful
> + @retval other The write failed
> +
> +**/
> +EFI_STATUS
> +Ax88179SromWrite (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT32 Address,
> + IN UINT16 * pData
> + )
> +{
> + EFI_STATUS Status;
> +
> + Status = EFI_UNSUPPORTED;
> + return Status;
> +}
> +
> +
> +
> +/**
> + Send a command to the USB device.
> +
> + @param [in] pNicDevice Pointer to the NIC_DEVICE structure
> + @param [in] pRequest Pointer to the request structure
> + @param [in, out] pBuffer Data buffer address
> +
> + @retval EFI_SUCCESS The USB transfer was successful
> + @retval other The USB transfer failed
> +
> +**/
> +
> +EFI_STATUS
> +Ax88179UsbCommand (
> + IN NIC_DEVICE * pNicDevice,
> + IN USB_DEVICE_REQUEST * pRequest,
> + IN OUT VOID * pBuffer
> + )
> +{
> +
> + EFI_USB_DATA_DIRECTION Direction;
> + EFI_USB_IO_PROTOCOL * pUsbIo;
> + EFI_STATUS Status = EFI_TIMEOUT;
> + UINT32 CmdStatus = EFI_USB_NOERROR;
> + int i;
> + //
> + // Determine the transfer direction
> + //
> + Direction = EfiUsbNoData;
> + if ( 0 != pRequest->Length ) {
> + Direction = ( 0 != ( pRequest->RequestType & USB_ENDPOINT_DIR_IN ))
> + ? EfiUsbDataIn : EfiUsbDataOut;
> + }
> +
> + //
> + // Issue the command
> + //
> + pUsbIo = pNicDevice->pUsbIo;
> +
> + for ( i = 0 ; i < 3 && EFI_TIMEOUT == Status; i++) {
> + Status = pUsbIo->UsbControlTransfer ( pUsbIo,
> + pRequest,
> + Direction,
> + USB_BUS_TIMEOUT,
> + pBuffer,
> + pRequest->Length,
> + &CmdStatus );
> + }
> + //
> + // Determine the operation status
> + //
> + if (EFI_ERROR(Status) || EFI_ERROR(CmdStatus))
Space before (
> + Status = EFI_DEVICE_ERROR;
> + //
> + // Return the operation status
> + //
> + return Status;
> +}
> +
> +EFI_STATUS
> +Ax88179MacRead (
> + IN UINT8 Offset,
> + IN UINT8 Length,
> + IN NIC_DEVICE * pNicDevice,
> + IN OUT VOID * pData
> + )
> +{
> +
> + EFI_STATUS Status;
> + USB_DEVICE_REQUEST SetupMsg;
> + SetupMsg.RequestType = USB_REQ_TYPE_VENDOR
> + | USB_TARGET_DEVICE
> + | USB_ENDPOINT_DIR_IN;
> +
> + SetupMsg.Request = ACCESS_MAC;
> + SetupMsg.Value = Offset;
> + SetupMsg.Index = Length;
> + SetupMsg.Length = SetupMsg.Index;
> +
> + Status = Ax88179UsbCommand ( pNicDevice,
> + &SetupMsg,
> + pData );
> +
> + return Status;
> +
> +}
> +
> +EFI_STATUS
> +Ax88179MacWrite (
> + IN UINT8 Offset,
> + IN UINT8 Length,
> + IN NIC_DEVICE * pNicDevice,
> + IN OUT VOID * pData
> + )
> +{
> +
> + EFI_STATUS Status;
> + USB_DEVICE_REQUEST SetupMsg;
> + SetupMsg.RequestType = USB_REQ_TYPE_VENDOR
> + | USB_TARGET_DEVICE;
> +
> + SetupMsg.Request = ACCESS_MAC;
> + SetupMsg.Value = Offset;
> + SetupMsg.Index = Length;
> + SetupMsg.Length = SetupMsg.Index;
> +
> + Status = Ax88179UsbCommand ( pNicDevice,
> + &SetupMsg,
> + pData );
> +
> + return Status;
> +
> +}
> +
> +EFI_STATUS
> +Ax88179SetIInInterval (
> + IN NIC_DEVICE * pNicDevice,
> + IN UINT8 Interval
> + )
> +{
> +
> + EFI_STATUS Status;
> + USB_DEVICE_REQUEST SetupMsg;
> + SetupMsg.RequestType = USB_REQ_TYPE_VENDOR
> + | USB_TARGET_DEVICE;
> +
> + SetupMsg.Request = 0x91;
> + SetupMsg.Value = Interval;
> + SetupMsg.Index = 0;
> + SetupMsg.Length = 0;
> +
> + Status = Ax88179UsbCommand ( pNicDevice,
> + &SetupMsg,
> + NULL );
> +
> + return Status;
> +
> +}
> +
> +EFI_STATUS
> +Ax88179SetMedium (
> + IN NIC_DEVICE * pNicDevice
> + )
> +{
> + UINT16 MediumStatus;
> + EFI_STATUS Status;
> +
> + MediumStatus = MEDIUMSTSMOD_RE | MEDIUMSTSMOD_ONE;
> + if ( pNicDevice->bFullDuplex ) {
> + MediumStatus |= MEDIUMSTSMOD_TFC | MEDIUMSTSMOD_RFC | MEDIUMSTSMOD_FD;
> + } else {
> + MediumStatus &= ~(MEDIUMSTSMOD_TFC | MEDIUMSTSMOD_RFC | MEDIUMSTSMOD_FD);
> + }
> + if ( pNicDevice->b1000Mbps ) {
> + MediumStatus |= MEDIUMSTSMOD_GM;
> + MediumStatus &= ~MEDIUMSTSMOD_PS;
> + } else {
> + MediumStatus &= ~MEDIUMSTSMOD_GM;
> + if ( pNicDevice->b100Mbps ) {
> + MediumStatus |= MEDIUMSTSMOD_PS;
> + } else {
> + MediumStatus &= ~MEDIUMSTSMOD_PS;
> + }
> + }
> + Status = Ax88179MacWrite (MEDIUMSTSMOD,
> + sizeof ( MediumStatus ),
> + pNicDevice,
> + &MediumStatus);
> + if ( !EFI_ERROR ( Status ))
Always use {}
> + pNicDevice->CurMediumStatus = MediumStatus;
indent
> +
> + return Status;
> +}
> +
> +
> +BOOLEAN
> +Ax88179GetLinkStatus (
> + IN NIC_DEVICE * pNicDevice
> +)
> +{
> + UINT32 CmdStatus;
> + EFI_USB_IO_PROTOCOL * pUsbIo;
> + UINT64 IntData = 0;
> + UINTN IntDataLeng = 8;
> + EFI_STATUS Status;
> +
> + //
> + // Issue the command
> + //
> + pUsbIo = pNicDevice->pUsbIo;
> + Status = pUsbIo->UsbSyncInterruptTransfer( pUsbIo,
> + USB_ENDPOINT_DIR_IN | INTERRUPT_ENDPOINT,
> + &IntData,
> + &IntDataLeng,
> + USB_BUS_TIMEOUT,
> + &CmdStatus );
> +
> + if ( EFI_ERROR(Status) || EFI_ERROR(CmdStatus) || 0 == IntDataLeng)
> + return FALSE;
> +
> + return (IntData & 0x10000)? TRUE : FALSE;
> +
> +}
> +
> +EFI_STATUS
> +Ax88179BulkIn(
> + IN NIC_DEVICE * pNicDevice
> +)
> +{
> + int i;
> + UINT16 val;
> + UINTN LengthInBytes = 0;
> + UINTN TMP_LENG = AX88179_MAX_BULKIN_SIZE;
> + UINTN CURBufSize = AX88179_MAX_BULKIN_SIZE;
> + UINTN PREBufSize = 0;
> + EFI_STATUS Status = EFI_NOT_READY;
> + EFI_USB_IO_PROTOCOL *pUsbIo;
> + UINT32 TransferStatus;
> +
> + pNicDevice->SkipRXCnt = 0;
> +
> + pUsbIo = pNicDevice->pUsbIo;
> + for ( i = 0 ; i < (AX88179_MAX_BULKIN_SIZE / 512) && pUsbIo != NULL; i++) {
> + VOID* tmpAddr = 0;
> +
> + if (pNicDevice->bSetZeroLen) {
> + val = PHYPWRRSTCTL_IPRL | PHYPWRRSTCTL_BZ;
> + Status = Ax88179MacWrite ( PHYPWRRSTCTL,
> + sizeof (val),
> + pNicDevice,
> + &val);
> + if (EFI_ERROR(Status)) {
> + LengthInBytes = 0;
> + Status = EFI_NOT_READY;
> + goto no_pkt;
> + }
> + pNicDevice->bSetZeroLen = FALSE;
> + }
> + tmpAddr = (VOID*) &pNicDevice->pBulkInbuf[LengthInBytes];
> +
> + Status = EFI_NOT_READY;
> + Status = pUsbIo->UsbBulkTransfer ( pUsbIo,
> + USB_ENDPOINT_DIR_IN | BULK_IN_ENDPOINT,
> + tmpAddr,
> + &TMP_LENG,
> + BULKIN_TIMEOUT,
> + &TransferStatus );
> +
> + if (( !EFI_ERROR ( Status )) && ( !EFI_ERROR ( TransferStatus )) && TMP_LENG != 0) {
> + LengthInBytes += TMP_LENG;
> + if ((TMP_LENG % pNicDevice->usbMaxPktSize) != 0) {
> + goto done;
> + }
> + CURBufSize = CURBufSize - TMP_LENG;
> + TMP_LENG = CURBufSize;
> + pNicDevice->bSetZeroLen = TRUE;
> + } else if (( !EFI_ERROR ( Status )) &&
> + ( !EFI_ERROR ( TransferStatus )) &&
> + ( TMP_LENG == 0) &&
> + LengthInBytes) {
> + if (PREBufSize == CURBufSize) {
> + goto done;
> + }
> + TMP_LENG = CURBufSize;
> + PREBufSize = CURBufSize;
> + pNicDevice->bSetZeroLen = TRUE;
> + } else if (( !EFI_ERROR ( Status )) &&
> + ( !EFI_ERROR ( TransferStatus )) &&
> + ( TMP_LENG == 0)) {
> + pNicDevice->bSetZeroLen = TRUE;
> + LengthInBytes = 0;
> + Status = EFI_NOT_READY;
> + goto done;
> + } else if (EFI_TIMEOUT == Status && EFI_USB_ERR_TIMEOUT == TransferStatus) {
> + pNicDevice->bSetZeroLen = TRUE;
> + LengthInBytes = 0;
> + Status = EFI_NOT_READY;
> + goto done;
> + } else {
> + pNicDevice->bSetZeroLen = TRUE;
> + LengthInBytes = 0;
> + Status = EFI_NOT_READY;
> + goto done;
> + }
> + }
> +
> +done:
> + if (LengthInBytes != 0) {
> + UINT16 tmplen = 0;
> + UINT16 tmpPktCnt = 0;
> +
> + tmpPktCnt = *((UINT16 *) (pNicDevice->pBulkInbuf + LengthInBytes - 4));
> + tmplen = *((UINT16*) (pNicDevice->pBulkInbuf + LengthInBytes - 2));
> +
> + if (((UINTN)(((tmpPktCnt * 4 + 4 + 7) & 0xfff8) + tmplen)) == LengthInBytes) {
> + pNicDevice->PktCnt = tmpPktCnt;
> + pNicDevice->pCurPktHdrOff = pNicDevice->pBulkInbuf + tmplen;
> + pNicDevice->pCurPktOff = pNicDevice->pBulkInbuf;
> + *((UINT16 *) (pNicDevice->pBulkInbuf + LengthInBytes - 4)) = 0;
> + *((UINT16*) (pNicDevice->pBulkInbuf + LengthInBytes - 2)) = 0;
> + Status = EFI_SUCCESS;
> + } else {
> + Status = EFI_NOT_READY;
> + }
> + } else {
> + Status = EFI_NOT_READY;
> + }
> +no_pkt:
> + return Status;
> +}
> diff --git a/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/ComponentName.c b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/ComponentName.c
> new file mode 100644
> index 000000000000..bb7ea146be02
> --- /dev/null
> +++ b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/ComponentName.c
> @@ -0,0 +1,290 @@
> +/** @file
> + UEFI Component Name(2) protocol implementation.
> +
> + Copyright (c) 2011, Intel Corporation. All rights reserved.
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include "Ax88179.h"
> +
> +/**
> + EFI Component Name Protocol declaration
> +**/
> +GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gComponentName = {
> + GetDriverName,
> + GetControllerName,
> + "eng"
> +};
> +
> +/**
> + EFI Component Name 2 Protocol declaration
> +**/
> +GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gComponentName2 = {
> + (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) GetDriverName,
> + (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) GetControllerName,
> + "en"
> +};
> +
> +
> +/**
> + Driver name table declaration
> +**/
> +GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE
> +mDriverNameTable[] = {
> + {"eng;en", L"ASIX AX88179 Ethernet Driver 2.9.0"},
> + {NULL, NULL}
> +};
> +
> +/**
> + Controller name table declaration
> +**/
> +GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE
> +mControllerNameTable[] = {
> + {"eng;en", L"AX88179 USB3.0 Gigabit Ethernet Controller"},
> + {NULL, NULL}
> +};
> +
> +/**
> + Retrieves a Unicode string that is the user readable name of the driver.
> +
> + This function retrieves the user readable name of a driver in the form of a
> + Unicode string. If the driver specified by This has a user readable name in
> + the language specified by Language, then a pointer to the driver name is
> + returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
> + by This does not support the language specified by Language,
> + then EFI_UNSUPPORTED is returned.
> +
> + @param [in] pThis A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
> + EFI_COMPONENT_NAME_PROTOCOL instance.
> + @param [in] pLanguage A pointer to a Null-terminated ASCII string
> + array indicating the language. This is the
> + language of the driver name that the caller is
> + requesting, and it must match one of the
> + languages specified in SupportedLanguages. The
> + number of languages supported by a driver is up
> + to the driver writer. Language is specified
> + in RFC 3066 or ISO 639-2 language code format.
> + @param [out] ppDriverName A pointer to the Unicode string to return.
> + This Unicode string is the name of the
> + driver specified by This in the language
> + specified by Language.
> +
> + @retval EFI_SUCCESS The Unicode string for the Driver specified by
> + This and the language specified by Language was
> + returned in DriverName.
> + @retval EFI_INVALID_PARAMETER Language is NULL.
> + @retval EFI_INVALID_PARAMETER DriverName is NULL.
> + @retval EFI_UNSUPPORTED The driver specified by This does not support
> + the language specified by Language.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +GetDriverName (
> + IN EFI_COMPONENT_NAME_PROTOCOL * pThis,
> + IN CHAR8 * pLanguage,
> + OUT CHAR16 ** ppDriverName
> + )
> +{
> + EFI_STATUS Status;
> +
> +
> + Status = LookupUnicodeString2 (
> + pLanguage,
> + pThis->SupportedLanguages,
> + mDriverNameTable,
> + ppDriverName,
> + (BOOLEAN)(pThis == &gComponentName)
> + );
> +
> + return Status;
> +}
> +
> +/**
> + Retrieves a Unicode string that is the user readable name of the controller
> + that is being managed by a driver.
> +
> + This function retrieves the user readable name of the controller specified by
> + ControllerHandle and ChildHandle in the form of a Unicode string. If the
> + driver specified by This has a user readable name in the language specified by
> + Language, then a pointer to the controller name is returned in ControllerName,
> + and EFI_SUCCESS is returned. If the driver specified by This is not currently
> + managing the controller specified by ControllerHandle and ChildHandle,
> + then EFI_UNSUPPORTED is returned. If the driver specified by This does not
> + support the language specified by Language, then EFI_UNSUPPORTED is returned.
> +
> + @param [in] pThis A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
> + EFI_COMPONENT_NAME_PROTOCOL instance.
> + @param [in] ControllerHandle The handle of a controller that the driver
> + specified by This is managing. This handle
> + specifies the controller whose name is to be
> + returned.
> + @param [in] ChildHandle The handle of the child controller to retrieve
> + the name of. This is an optional parameter that
> + may be NULL. It will be NULL for device
> + drivers. It will also be NULL for a bus drivers
> + that wish to retrieve the name of the bus
> + controller. It will not be NULL for a bus
> + driver that wishes to retrieve the name of a
> + child controller.
> + @param [in] pLanguage A pointer to a Null-terminated ASCII string
> + array indicating the language. This is the
> + language of the driver name that the caller is
> + requesting, and it must match one of the
> + languages specified in SupportedLanguages. The
> + number of languages supported by a driver is up
> + to the driver writer. Language is specified in
> + RFC 3066 or ISO 639-2 language code format.
> + @param [out] ppControllerName A pointer to the Unicode string to return.
> + This Unicode string is the name of the
> + controller specified by ControllerHandle and
> + ChildHandle in the language specified by
> + Language from the point of view of the driver
> + specified by This.
> +
> + @retval EFI_SUCCESS The Unicode string for the user readable name in
> + the language specified by Language for the
> + driver specified by This was returned in
> + DriverName.
> + @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
> + @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
> + EFI_HANDLE.
> + @retval EFI_INVALID_PARAMETER Language is NULL.
> + @retval EFI_INVALID_PARAMETER ControllerName is NULL.
> + @retval EFI_UNSUPPORTED The driver specified by This is not currently
> + managing the controller specified by
> + ControllerHandle and ChildHandle.
> + @retval EFI_UNSUPPORTED The driver specified by This does not support
> + the language specified by Language.
> +
> +**/
> +
> +
> +
> +#if PASS_SCT
> +EFI_STATUS
> +EFIAPI
> +GetControllerName (
> + IN EFI_COMPONENT_NAME_PROTOCOL * pThis,
> + IN EFI_HANDLE ControllerHandle,
> + IN OPTIONAL EFI_HANDLE ChildHandle,
> + IN CHAR8 * pLanguage,
> + OUT CHAR16 ** ppControllerName
> + )
> +{
> +
> + EFI_STATUS Status;
> + EFI_USB_IO_PROTOCOL *UsbIoProtocol;
> +
> + //
> + // This is a device driver, so ChildHandle must be NULL.
> + //
> + if (ChildHandle != NULL) {
> + return EFI_UNSUPPORTED;
> + }
> +
> + //
> + // Check Controller's handle
> + //
> + Status = gBS->OpenProtocol (
> + ControllerHandle,
> + &gEfiUsbIoProtocolGuid,
> + (VOID **) &UsbIoProtocol,
> + gDriverBinding.DriverBindingHandle,
> + ControllerHandle,
> + EFI_OPEN_PROTOCOL_BY_DRIVER
> + );
> + if (!EFI_ERROR (Status)) {
> + gBS->CloseProtocol (
> + ControllerHandle,
> + &gEfiUsbIoProtocolGuid,
> + gDriverBinding.DriverBindingHandle,
> + ControllerHandle
> + );
> + return EFI_UNSUPPORTED;
> + }
> +
> + if (Status != EFI_ALREADY_STARTED) {
> + return EFI_UNSUPPORTED;
> + }
> +
> + Status = LookupUnicodeString2 (
> + pLanguage,
> + pThis->SupportedLanguages,
> + mControllerNameTable,
> + ppControllerName,
> + (BOOLEAN)(pThis == &gComponentName)
> + );
> +
> + return Status;
> +}
> +#else
> +
> +EFI_STATUS
> +EFIAPI
> +GetControllerName (
> + IN EFI_COMPONENT_NAME_PROTOCOL * pThis,
> + IN EFI_HANDLE ControllerHandle,
> + IN OPTIONAL EFI_HANDLE ChildHandle,
> + IN CHAR8 * pLanguage,
> + OUT CHAR16 ** ppControllerName
> + )
> +{
> + EFI_STATUS Status;
> + EFI_USB_IO_PROTOCOL *UsbIoProtocol;
> + EFI_USB_DEVICE_DESCRIPTOR Device;
> +
> + //
> + // Connect to the USB stack
> + //
> + Status = gBS->OpenProtocol (
> + ControllerHandle,
> + &gEfiUsbIoProtocolGuid,
> + (VOID **) &UsbIoProtocol,
> + gDriverBinding.DriverBindingHandle,
> + ControllerHandle,
> + EFI_OPEN_PROTOCOL_BY_DRIVER
> + );
> +
> +
> + if (!EFI_ERROR ( Status )) {
> + Status = UsbIoProtocol->UsbGetDeviceDescriptor ( UsbIoProtocol, &Device );
> + if (EFI_ERROR(Status)) {
> + Status = EFI_UNSUPPORTED;
> + } else {
> + //
> + // Validate the adapter
> + //
> + if (( VENDOR_ID == Device.IdVendor )
> + && ( PRODUCT_ID == Device.IdProduct )) {
> + *ppControllerName = L"AX88179 USB3.0 Gigabit Ethernet Controller";
> + Status = EFI_SUCCESS;
> + } else if (( VENDOR_ID == Device.IdVendor )
> + && ( PRODUCT_ID_178A == Device.IdProduct )) {
> + *ppControllerName = L"AX88178A USB2.0 Gigabit Ethernet Controller";
> + Status = EFI_SUCCESS;
> + } else {
> + Status = EFI_UNSUPPORTED;
> + }
> +
> + }
> +
> + gBS->CloseProtocol (
> + ControllerHandle,
> + &gEfiUsbIoProtocolGuid,
> + gDriverBinding.DriverBindingHandle,
> + ControllerHandle
> + );
> + }
> + //
> + // Return the operation status
> + //
> + if (Status != EFI_SUCCESS) {
> + *ppControllerName = L"AX88179_178A Gigabit Ethernet Controller";
> + Status = EFI_SUCCESS;
> + }
> + return Status;
> +}
> +
> +#endif
> diff --git a/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/DriverBinding.c b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/DriverBinding.c
> new file mode 100644
> index 000000000000..826a539e3f34
> --- /dev/null
> +++ b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/DriverBinding.c
> @@ -0,0 +1,620 @@
> +/** @file
> + Implement the driver binding protocol for Asix AX88179 Ethernet driver.
> +
> + Copyright (c) 2011, Intel Corporation
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include "Ax88179.h"
> +
> +/**
> + Verify the controller type
> +
> + @param [in] pThis Protocol instance pointer.
> + @param [in] Controller Handle of device to test.
> + @param [in] pRemainingDevicePath Not used.
> +
> + @retval EFI_SUCCESS This driver supports this device.
> + @retval other This driver does not support this device.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +DriverSupported (
> + IN EFI_DRIVER_BINDING_PROTOCOL * pThis,
> + IN EFI_HANDLE Controller,
> + IN EFI_DEVICE_PATH_PROTOCOL * pRemainingDevicePath
> + )
> +{
> + EFI_USB_DEVICE_DESCRIPTOR Device;
> + EFI_USB_IO_PROTOCOL * pUsbIo;
> + EFI_STATUS Status;
> +
> + //
> + // Connect to the USB stack
> + //
> + Status = gBS->OpenProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + (VOID **) &pUsbIo,
> + pThis->DriverBindingHandle,
> + Controller,
> + EFI_OPEN_PROTOCOL_BY_DRIVER
> + );
> + if (!EFI_ERROR ( Status )) {
> +
> + //
> + // Get the interface descriptor to check the USB class and find a transport
> + // protocol handler.
> + //
> + Status = pUsbIo->UsbGetDeviceDescriptor ( pUsbIo, &Device );
> + if (EFI_ERROR(Status)) {
> + Status = EFI_UNSUPPORTED;
> + } else {
> + //
> + // Validate the adapter
> + //
> + if (( VENDOR_ID == Device.IdVendor ) &&
> + ( PRODUCT_ID == Device.IdProduct )) {
> + Status = EFI_SUCCESS;
> + } else if (( VENDOR_ID == Device.IdVendor ) &&
> + ( PRODUCT_ID_178A == Device.IdProduct )) {
> + Status = EFI_SUCCESS;
> + } else {
> + Status = EFI_UNSUPPORTED;
> + }
> + }
> + gBS->CloseProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller
> + );
> + }
> +
> + //
> + // Return the device supported status
> + //
> +
> + return Status;
> +}
> +
> +
> +/**
> + Start this driver on Controller by opening UsbIo and DevicePath protocols.
> + Initialize PXE structures, create a copy of the Controller Device Path with the
> + NIC's MAC address appended to it, install the NetworkInterfaceIdentifier protocol
> + on the newly created Device Path.
> +
> + @param [in] pThis Protocol instance pointer.
> + @param [in] Controller Handle of device to work with.
> + @param [in] pRemainingDevicePath Not used, always produce all possible children.
> +
> + @retval EFI_SUCCESS This driver is added to Controller.
> + @retval other This driver does not support this device.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +DriverStart (
> + IN EFI_DRIVER_BINDING_PROTOCOL * pThis,
> + IN EFI_HANDLE Controller,
> + IN EFI_DEVICE_PATH_PROTOCOL * pRemainingDevicePath
> + )
> +{
> + EFI_STATUS Status;
> + NIC_DEVICE *pNicDevice;
> + UINTN LengthInBytes;
> + EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath = NULL;
> + MAC_ADDR_DEVICE_PATH MacDeviceNode;
> +
> + //
> + // Allocate the device structure
> + //
> + LengthInBytes = sizeof ( *pNicDevice );
> + Status = gBS->AllocatePool (
> + EfiRuntimeServicesData,
Why is this runtime memory?
> + LengthInBytes,
> + (VOID **) &pNicDevice
> + );
> +
> + if (EFI_ERROR (Status)) {
> + goto ERR;
> + }
> +
> + //
> + // Set the structure signature
> + //
> + ZeroMem ( pNicDevice, LengthInBytes );
> + pNicDevice->Signature = DEV_SIGNATURE;
> +
> + Status = gBS->OpenProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + (VOID **) &pNicDevice->pUsbIo,
> + pThis->DriverBindingHandle,
> + Controller,
> + EFI_OPEN_PROTOCOL_BY_DRIVER
> + );
> +
> + if (EFI_ERROR (Status)) {
> + goto ERR;
> + }
> +
> + //
> + // Initialize the simple network protocol
> + //
> + Status = SN_Setup ( pNicDevice );
> +
> + if (EFI_ERROR(Status)){
> + gBS->CloseProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller
> + );
> + goto ERR;
> + }
> + //
> + // Set Device Path
> + //
> + Status = gBS->OpenProtocol (
> + Controller,
> + &gEfiDevicePathProtocolGuid,
> + (VOID **) &ParentDevicePath,
> + pThis->DriverBindingHandle,
> + Controller,
> + EFI_OPEN_PROTOCOL_BY_DRIVER
> + );
> + if (EFI_ERROR(Status)) {
> + gBS->CloseProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller
> + );
> + goto ERR;
> + }
> +
> + ZeroMem (&MacDeviceNode, sizeof (MAC_ADDR_DEVICE_PATH));
> + MacDeviceNode.Header.Type = MESSAGING_DEVICE_PATH;
> + MacDeviceNode.Header.SubType = MSG_MAC_ADDR_DP;
> +
> + SetDevicePathNodeLength (&MacDeviceNode.Header, sizeof (MAC_ADDR_DEVICE_PATH));
> +
> + CopyMem (&MacDeviceNode.MacAddress,
> + &pNicDevice->SimpleNetworkData.CurrentAddress,
> + PXE_HWADDR_LEN_ETHER);
> +
> + MacDeviceNode.IfType = pNicDevice->SimpleNetworkData.IfType;
> +
> + pNicDevice->MyDevPath = AppendDevicePathNode (
> + ParentDevicePath,
> + (EFI_DEVICE_PATH_PROTOCOL *) &MacDeviceNode
> + );
> + pNicDevice->Controller = NULL;
> +
> + //
> + // Install both the simple network and device path protocols.
> + //
> + Status = gBS->InstallMultipleProtocolInterfaces (
> + &pNicDevice->Controller,
> + &gEfiCallerIdGuid,
> + pNicDevice,
> + &gEfiSimpleNetworkProtocolGuid,
> + &pNicDevice->SimpleNetwork,
> + &gEfiDevicePathProtocolGuid,
> + pNicDevice->MyDevPath,
> + NULL
> + );
> +
> + if (EFI_ERROR(Status)){
> + gBS->CloseProtocol (
> + Controller,
> + &gEfiDevicePathProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller);
> + gBS->CloseProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller
> + );
> + goto ERR;
> + }
> +
> + //
> + // Open For Child Device
> + //
> + Status = gBS->OpenProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + (VOID **) &pNicDevice->pUsbIo,
> + pThis->DriverBindingHandle,
> + pNicDevice->Controller,
> + EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
> + );
> +
> + if (EFI_ERROR(Status)){
> + gBS->UninstallMultipleProtocolInterfaces (
> + &pNicDevice->Controller,
> + &gEfiCallerIdGuid,
> + pNicDevice,
> + &gEfiSimpleNetworkProtocolGuid,
> + &pNicDevice->SimpleNetwork,
> + &gEfiDevicePathProtocolGuid,
> + pNicDevice->MyDevPath,
> + NULL
> + );
> + gBS->CloseProtocol (
> + Controller,
> + &gEfiDevicePathProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller);
> + gBS->CloseProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller
> + );
> + goto ERR;
> + }
> +
> + return Status;
> +
> +
> +ERR:
> +
> + if ( NULL != pNicDevice->pBulkInbuf)
> + gBS->FreePool (pNicDevice->pBulkInbuf);
> + if ( NULL != pNicDevice->pTxTest)
> + gBS->FreePool (pNicDevice->pTxTest);
> + if ( NULL != pNicDevice->MyDevPath)
> + gBS->FreePool (pNicDevice->MyDevPath);
> + if (NULL != pNicDevice)
> + gBS->FreePool ( pNicDevice );
> + return Status;
> +
> +}
> +
> +/**
> + Stop this driver on Controller by removing NetworkInterfaceIdentifier protocol and
> + closing the DevicePath and PciIo protocols on Controller.
> +
> + @param [in] pThis Protocol instance pointer.
> + @param [in] Controller Handle of device to stop driver on.
> + @param [in] NumberOfChildren How many children need to be stopped.
> + @param [in] pChildHandleBuffer Not used.
> +
> + @retval EFI_SUCCESS This driver is removed Controller.
> + @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error.
> + @retval other This driver was not removed from this device.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +DriverStop (
> + IN EFI_DRIVER_BINDING_PROTOCOL * pThis,
> + IN EFI_HANDLE Controller,
> + IN UINTN NumberOfChildren,
> + IN EFI_HANDLE * ChildHandleBuffer
> + )
> +{
> + BOOLEAN AllChildrenStopped;
> + EFI_SIMPLE_NETWORK_PROTOCOL *SimpleNetwork;
> + EFI_STATUS Status = EFI_SUCCESS;
> + NIC_DEVICE *pNicDevice;
> + UINTN Index;
> +
> + //
> + // Complete all outstanding transactions to Controller.
> + // Don't allow any new transaction to Controller to be started.
> + //
> + if (NumberOfChildren == 0) {
> + Status = gBS->OpenProtocol (
> + Controller,
> + &gEfiSimpleNetworkProtocolGuid,
> + (VOID **) &SimpleNetwork,
> + pThis->DriverBindingHandle,
> + Controller,
> + EFI_OPEN_PROTOCOL_GET_PROTOCOL
> + );
> +
> + if (EFI_ERROR(Status)) {
> + //
> + // This is a 2nd type handle(multi-lun root), it needs to close devicepath
> + // and usbio protocol.
> + //
> + gBS->CloseProtocol (
> + Controller,
> + &gEfiDevicePathProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller
> + );
> + gBS->CloseProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller
> + );
> + return EFI_SUCCESS;
> + }
> +
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( SimpleNetwork );
> +
> + Status = gBS->UninstallMultipleProtocolInterfaces (
> + Controller,
> + &gEfiCallerIdGuid,
> + pNicDevice,
> + &gEfiSimpleNetworkProtocolGuid,
> + &pNicDevice->SimpleNetwork,
> + &gEfiDevicePathProtocolGuid,
> + pNicDevice->MyDevPath,
> + NULL
> + );
> +
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> + //
> + // Close the bus driver
> + //
> + Status = gBS->CloseProtocol (
> + Controller,
> + &gEfiDevicePathProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller
> + );
> +
> + Status = gBS->CloseProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + pThis->DriverBindingHandle,
> + Controller
> + );
> + return EFI_SUCCESS;
> + }
> +
> + AllChildrenStopped = TRUE;
> +
> + for (Index = 0; Index < NumberOfChildren; Index++) {
This is not a bus driver, so I don't think we need any of this stuff.
> + Status = gBS->OpenProtocol (
> + ChildHandleBuffer[Index],
> + &gEfiSimpleNetworkProtocolGuid,
> + (VOID **) &SimpleNetwork,
> + pThis->DriverBindingHandle,
> + Controller,
> + EFI_OPEN_PROTOCOL_GET_PROTOCOL
> + );
> +
> + if (EFI_ERROR (Status)) {
> + AllChildrenStopped = FALSE;
> + continue;
> + }
> +
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( SimpleNetwork );
> +
> + gBS->CloseProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + pThis->DriverBindingHandle,
> + ChildHandleBuffer[Index]
> + );
> +
> + Status = gBS->UninstallMultipleProtocolInterfaces (
> + ChildHandleBuffer[Index],
> + &gEfiCallerIdGuid,
> + pNicDevice,
> + &gEfiSimpleNetworkProtocolGuid,
> + &pNicDevice->SimpleNetwork,
> + &gEfiDevicePathProtocolGuid,
> + pNicDevice->MyDevPath,
> + NULL
> + );
> +
> + if (EFI_ERROR (Status)) {
> + Status = gBS->OpenProtocol (
> + Controller,
> + &gEfiUsbIoProtocolGuid,
> + (VOID **) &pNicDevice->pUsbIo,
> + pThis->DriverBindingHandle,
> + ChildHandleBuffer[Index],
> + EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
> + );
> + } else {
> + if ( NULL != pNicDevice->pBulkInbuf)
> + gBS->FreePool (pNicDevice->pBulkInbuf);
> + if ( NULL != pNicDevice->pTxTest)
> + gBS->FreePool (pNicDevice->pTxTest);
> + if ( NULL != pNicDevice->MyDevPath)
> + gBS->FreePool (pNicDevice->MyDevPath);
> + if ( NULL != pNicDevice)
> + gBS->FreePool (pNicDevice);
> + }
> + }
> +
> + if (!AllChildrenStopped) {
> + return EFI_DEVICE_ERROR;
> + }
> +
> + return EFI_SUCCESS;
> +}
> +
> +
> +/**
> + Driver binding protocol declaration
> +**/
> +EFI_DRIVER_BINDING_PROTOCOL gDriverBinding = {
> + DriverSupported,
> + DriverStart,
> + DriverStop,
> + 0xa,
> + NULL,
> + NULL
> +};
> +
> +
> +/**
> + Ax88179 driver unload routine.
> +
> + @param [in] ImageHandle Handle for the image.
> +
> + @retval EFI_SUCCESS Image may be unloaded
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +DriverUnload (
> + IN EFI_HANDLE ImageHandle
> + )
> +{
> + UINTN BufferSize;
> + UINTN Index;
> + UINTN Max;
> + EFI_HANDLE * pHandle;
> + EFI_STATUS Status;
> +
> + //
> + // Determine which devices are using this driver
> + //
> + BufferSize = 0;
> + pHandle = NULL;
> + Status = gBS->LocateHandle (
> + ByProtocol,
> + &gEfiCallerIdGuid,
> + NULL,
> + &BufferSize,
> + NULL );
> + if ( EFI_BUFFER_TOO_SMALL == Status ) {
> + for ( ; ; ) {
> + //
> + // One or more block IO devices are present
> + //
> + Status = gBS->AllocatePool (
> + EfiRuntimeServicesData,
> + BufferSize,
> + (VOID **) &pHandle
> + );
> + if ( EFI_ERROR ( Status )) {
> + break;
> + }
> +
> + //
> + // Locate the block IO devices
> + //
> + Status = gBS->LocateHandle (
> + ByProtocol,
> + &gEfiCallerIdGuid,
> + NULL,
> + &BufferSize,
> + pHandle );
> + if ( EFI_ERROR ( Status )) {
> + //
> + // Error getting handles
> + //
> +
> + break;
> + }
> +
> + //
> + // Remove any use of the driver
> + //
> + Max = BufferSize / sizeof ( pHandle[ 0 ]);
> + for ( Index = 0; Max > Index; Index++ ) {
> + Status = DriverStop ( &gDriverBinding,
> + pHandle[ Index ],
> + 0,
> + NULL );
> + if ( EFI_ERROR ( Status )) {
> + break;
> + }
> + }
> + break;
> + }
> + } else {
> + if ( EFI_NOT_FOUND == Status ) {
> + //
> + // No devices were found
> + //
> + Status = EFI_SUCCESS;
> + }
> + }
> +
> + //
> + // Free the handle array
> + //
> + if ( NULL != pHandle ) {
> + gBS->FreePool ( pHandle );
> + }
> +
> + //
> + // Remove the protocols installed by the EntryPoint routine.
> + //
> + if ( !EFI_ERROR ( Status )) {
> + gBS->UninstallMultipleProtocolInterfaces (
> + ImageHandle,
> + &gEfiDriverBindingProtocolGuid,
> + &gDriverBinding,
> + &gEfiComponentNameProtocolGuid,
> + &gComponentName,
> + &gEfiComponentName2ProtocolGuid,
> + &gComponentName2,
> + NULL
> + );
> + }
> +
> + //
> + // Return the unload status
> + //
> +
> + return Status;
> +}
> +
> +
> +/**
> +Ax88179 driver entry point.
> +
> + at param [in] ImageHandle Handle for the image.
> + at param [in] pSystemTable Address of the system table.
> +
> + at retval EFI_SUCCESS Image successfully loaded.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +EntryPoint (
> + IN EFI_HANDLE ImageHandle,
> + IN EFI_SYSTEM_TABLE * pSystemTable
> + )
> +{
> + EFI_LOADED_IMAGE_PROTOCOL * pLoadedImage;
> + EFI_STATUS Status;
> +
> +
> + //
> + // Enable unload support
> + //
> + Status = gBS->HandleProtocol (
> + gImageHandle,
> + &gEfiLoadedImageProtocolGuid,
> + (VOID **)&pLoadedImage
> + );
> + if (!EFI_ERROR (Status)) {
> + pLoadedImage->Unload = DriverUnload;
> + }
> +
> + //
> + // Add the driver to the list of drivers
> + //
> + Status = EfiLibInstallDriverBindingComponentName2 (
> + ImageHandle,
> + pSystemTable,
> + &gDriverBinding,
> + ImageHandle,
> + &gComponentName,
> + &gComponentName2
> + );
> +
> + return Status;
> +}
> diff --git a/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/SimpleNetwork.c b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/SimpleNetwork.c
> new file mode 100644
> index 000000000000..25986451dcbc
> --- /dev/null
> +++ b/Silicon/ASIX/Drivers/Bus/Usb/UsbNetworking/Ax88179/SimpleNetwork.c
> @@ -0,0 +1,1585 @@
> +/** @file
> + Provides the Simple Network functions.
> +
> + Copyright (c) 2011, Intel Corporation
> + SPDX-License-Identifier: BSD-2-Clause-Patent
> +
> +**/
> +
> +#include "Ax88179.h"
> +
> +/**
> + This function updates the filtering on the receiver.
> +
> + This support routine calls ::Ax88179MacAddressSet to update
> + the MAC address. This routine then rebuilds the multicast
> + hash by calling ::Ax88179MulticastClear and ::Ax88179MulticastSet.
> + Finally this routine enables the receiver by calling
> + ::Ax88179RxControl.
> + @param [in] pSimpleNetwork Simple network mode pointer
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +ReceiveFilterUpdate (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
> + )
> +{
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + NIC_DEVICE * pNicDevice;
> + EFI_STATUS Status;
> + UINT32 Index;
> +
> + //
> + // Set the MAC address
> + //
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> + pMode = pSimpleNetwork->Mode;
> + //
> + // Clear the multicast hash table
> + //
> + Ax88179MulticastClear ( pNicDevice );
> +
> + //
> + // Load the multicast hash table
> + //
> + if ( 0 != ( pMode->ReceiveFilterSetting & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST )) {
> + for ( Index = 0; Index < pMode->MCastFilterCount; Index++ ) {
> + //
> + // Enable the next multicast address
> + //
> + Ax88179MulticastSet ( pNicDevice,
> + &pMode->MCastFilter[ Index ].Addr[0]);
> + }
> + }
> +
> + //
> + // Enable the receiver
> + //
> + Status = Ax88179RxControl ( pNicDevice, pMode->ReceiveFilterSetting );
> +
> + return Status;
> +}
> +
> +
> +/**
> + This function updates the SNP driver status.
> +
> + This function gets the current interrupt and recycled transmit
> + buffer status from the network interface. The interrupt status
> + and the media status are returned as a bit mask in InterruptStatus.
> + If InterruptStatus is NULL, the interrupt status will not be read.
> + Upon successful return of the media status, the MediaPresent field
> + of EFI_SIMPLE_NETWORK_MODE will be updated to reflect any change
> + of media status. If TxBuf is not NULL, a recycled transmit buffer
> + address will be retrived. If a recycled transmit buffer address
> + is returned in TxBuf, then the buffer has been successfully
> + transmitted, and the status for that buffer is cleared.
> +
> + This function calls ::Ax88179Rx to update the media status and
> + queue any receive packets.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] pInterruptStatus A pointer to the bit mask of the current active interrupts.
> + If this is NULL, the interrupt status will not be read from
> + the device. If this is not NULL, the interrupt status will
> + be read from teh device. When the interrupt status is read,
> + it will also be cleared. Clearing the transmit interrupt
> + does not empty the recycled transmit buffer array.
> + @param [out] ppTxBuf Recycled transmit buffer address. The network interface will
> + not transmit if its internal recycled transmit buffer array is
> + full. Reading the transmit buffer does not clear the transmit
> + interrupt. If this is NULL, then the transmit buffer status
> + will not be read. If there are not transmit buffers to recycle
> + and TxBuf is not NULL, *TxBuf will be set to NULL.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> +
> +**/
> +
> +EFI_STATUS
> +EFIAPI
> +SN_GetStatus (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + OUT UINT32 * pInterruptStatus,
> + OUT VOID ** ppTxBuf
> + )
> +{
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + NIC_DEVICE * pNicDevice;
> + EFI_STATUS Status = EFI_SUCCESS;
> + EFI_TPL TplPrevious;
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> + //
> + // Verify the parameters
> + //
> + if (( NULL != pSimpleNetwork ) && ( NULL != pSimpleNetwork->Mode )) {
> + //
> + // Return the transmit buffer
> + //
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> +
> + if (( NULL != ppTxBuf ) && ( NULL != pNicDevice->pTxBuffer )) {
> + *ppTxBuf = pNicDevice->pTxBuffer;
> + pNicDevice->pTxBuffer = NULL;
> + }
> +
> + pMode = pSimpleNetwork->Mode;
> + if (EfiSimpleNetworkInitialized == pMode->State) {
> + if (NULL == ppTxBuf && NULL == pInterruptStatus) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> +#if REPORTLINK
> +#else
> + if (!pNicDevice->bLinkUp || !pNicDevice->bComplete) {
> +#endif
> + Status = Ax88179NegotiateLinkComplete ( pNicDevice,
> + &pNicDevice->PollCount,
> + &pNicDevice->bComplete,
> + &pNicDevice->bLinkUp,
> + &pNicDevice->b100Mbps,
> + &pNicDevice->b1000Mbps,
> + &pNicDevice->bFullDuplex );
> +
> + if (EFI_ERROR(Status))
> + goto EXIT;
> +#if REPORTLINK
> + if (pNicDevice->bLinkUp && pNicDevice->bComplete) {
> + pMode->MediaPresent = TRUE;
> + Status = Ax88179SetMedium (pNicDevice);
> + } else {
> + pMode->MediaPresent = FALSE;
> + }
> +#else
> + if (pNicDevice->bLinkUp && pNicDevice->bComplete) {
> + pMode->MediaPresent = TRUE;
> + pMode->MediaPresentSupported = FALSE;
> + Status = Ax88179SetMedium (pNicDevice);
> +
> + }
> + }
> +#endif
> + } else {
> + if (EfiSimpleNetworkStarted == pMode->State) {
> + Status = EFI_DEVICE_ERROR; ;
> + } else {
> + Status = EFI_NOT_STARTED ;
> + }
> + }
> + } else {
> + Status = EFI_INVALID_PARAMETER;
> + }
> + if ( NULL != pInterruptStatus ) {
> + *pInterruptStatus = 0;
> + }
> +
> +EXIT:
> + gBS->RestoreTPL(TplPrevious) ;
> +
> + return Status;
> +}
> +
> +/**
> + This function performs read and write operations on the NVRAM device
> + attached to a network interface.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] ReadWrite TRUE for read operations, FALSE for write operations.
> + @param [in] Offset Byte offset in the NVRAM device at which to start the
> + read or write operation. This must be a multiple of
> + NvRamAccessSize and less than NvRamSize.
> + @param [in] BufferSize The number of bytes to read or write from the NVRAM device.
> + This must also be a multiple of NvramAccessSize.
> + @param [in, out] pBuffer A pointer to the data buffer.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_NvData (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN BOOLEAN ReadWrite,
> + IN UINTN Offset,
> + IN UINTN BufferSize,
> + IN OUT VOID * pBuffer
> + )
> +{
> + EFI_STATUS Status = EFI_INVALID_PARAMETER;
> + EFI_TPL TplPrevious;
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + NIC_DEVICE * pNicDevice;
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> +
> + if (( NULL == pSimpleNetwork ) || ( NULL == pSimpleNetwork->Mode )) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> +
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> + pMode = pSimpleNetwork->Mode;
> +
> +#if PASS_SCT
> + if (EfiSimpleNetworkInitialized != pMode->State) {
> + Status = EFI_NOT_STARTED;
> + goto EXIT;
> + }
> +#endif
> +
> + if ( 0 != Offset ) {
> + if ((0 != (Offset % pMode->NvRamAccessSize) ) || (Offset >= pMode->NvRamSize)) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> + }
> + //
> + //Offset must be a multiple of NvRamAccessSize and less than NvRamSize.
space after //
> + //
> + if (0 != (BufferSize % pMode->NvRamAccessSize)) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> +
> + if (BufferSize + Offset > pMode->NvRamSize) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> +
> + if (NULL == pBuffer) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> +
> + //
> + //ReadWrite: TRUE FOR READ FALSE FOR WRITE
> + //
> + if (ReadWrite){
space between ) and {
> + UINTN i;
> +
Please declare at function scope, and rename to something more idiomatic
(Idx)
> + for (i = 0; i < BufferSize / 2 ; i++) {
> + Status = Ax88179SromRead ( pNicDevice,
> + (UINT32)(Offset/2 + i),
> + (((UINT16*)pBuffer) + i));
> + }
> + } else {
> + UINTN i;
> +
> + Status = Ax88179EnableSromWrite(pNicDevice);
> + if (EFI_ERROR(Status)) goto EXIT;
> +
> + for (i = 0; i < BufferSize / 2 ; i++){
> + Status = Ax88179SromWrite ( pNicDevice,
> + (UINT32)(Offset/2 + i),
> + (((UINT16*)pBuffer) + i));
> + }
> + Status = Ax88179DisableSromWrite(pNicDevice);
> +
> + if (BufferSize == 272)
> + Status = Ax88179ReloadSrom(pNicDevice);
> + }
> +
> + //
> + // Return the operation status
> + //
> +EXIT:
> + gBS->RestoreTPL (TplPrevious);
> + return Status;
> +}
> +
> +/**
> + Resets the network adapter and allocates the transmit and receive buffers
> + required by the network interface; optionally, also requests allocation of
> + additional transmit and receive buffers. This routine must be called before
> + any other routine in the Simple Network protocol is called.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] ExtraRxBufferSize Size in bytes to add to the receive buffer allocation
> + @param [in] ExtraTxBufferSize Size in bytes to add to the transmit buffer allocation
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_OUT_OF_RESOURCES There was not enough memory for the transmit and receive buffers
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Initialize (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN UINTN ExtraRxBufferSize,
> + IN UINTN ExtraTxBufferSize
> + )
> +{
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + EFI_STATUS Status;
> + UINT32 TmpState;
> + EFI_TPL TplPrevious;
> + NIC_DEVICE * pNicDevice;
newline
> + TplPrevious = gBS->RaiseTPL (TPL_CALLBACK);
> +
> + //
> + // Verify the parameters
> + //
> + if (( NULL != pSimpleNetwork ) && ( NULL != pSimpleNetwork->Mode )) {
> + //
> + // Determine if the interface is already started
> + //
> + pMode = pSimpleNetwork->Mode;
> + if ( EfiSimpleNetworkStarted == pMode->State ) {
> + if (( 0 == ExtraRxBufferSize ) && ( 0 == ExtraTxBufferSize )) {
> + //
> + // Start the adapter
> + //
> + TmpState = pMode->State;
> + pMode->State = EfiSimpleNetworkInitialized;
> + Status = SN_Reset ( pSimpleNetwork, FALSE );
> + if ( EFI_ERROR ( Status )) {
> + //
> + // Update the network state
> + //
> + pMode->State = TmpState;
> + } else {
> + pMode->MediaPresentSupported = TRUE;
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> + pMode->MediaPresent = Ax88179GetLinkStatus (pNicDevice);
> + }
> + } else {
> + Status = EFI_UNSUPPORTED;
> + }
> + } else {
> + Status = EFI_NOT_STARTED;
> + }
> + } else {
> + Status = EFI_INVALID_PARAMETER;
> + }
> + //
> + // Return the operation status
> + //
> + gBS->RestoreTPL (TplPrevious);
> +
> + return Status;
> +}
> +
> +
> +/**
> + This function converts a multicast IP address to a multicast HW MAC address
> + for all packet transactions.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] bIPv6 Set to TRUE if the multicast IP address is IPv6 [RFC2460].
> + Set to FALSE if the multicast IP address is IPv4 [RFC 791].
> + @param [in] pIP The multicast IP address that is to be converted to a
> + multicast HW MAC address.
> + @param [in] pMAC The multicast HW MAC address that is to be generated from IP.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_MCastIPtoMAC (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN BOOLEAN bIPv6,
> + IN EFI_IP_ADDRESS * pIP,
> + IN EFI_MAC_ADDRESS * pMAC
> + )
> +{
> + EFI_STATUS Status;
> + EFI_TPL TplPrevious;
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> +
> + if (( NULL != pSimpleNetwork ) && ( NULL != pSimpleNetwork->Mode )) {
> + //
> + // The interface must be running
> + //
> + pMode = pSimpleNetwork->Mode;
> + if ( EfiSimpleNetworkInitialized == pMode->State ) {
> + if (pIP == NULL || pMAC == NULL) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> + if (bIPv6){
> + Status = EFI_UNSUPPORTED;
> + goto EXIT;
> + } else {
> + //
> + // check if the ip given is a mcast IP
> + //
> + if ((pIP->v4.Addr[0] & 0xF0) != 0xE0) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + } else {
> + pMAC->Addr[0] = 0x01;
> + pMAC->Addr[1] = 0x00;
> + pMAC->Addr[2] = 0x5e;
> + pMAC->Addr[3] = (UINT8) (pIP->v4.Addr[1] & 0x7f);
> + pMAC->Addr[4] = (UINT8) pIP->v4.Addr[2];
> + pMAC->Addr[5] = (UINT8) pIP->v4.Addr[3];
> + Status = EFI_SUCCESS;
> + }
> + }
> + } else {
> + if (EfiSimpleNetworkStarted == pMode->State) {
> + Status = EFI_DEVICE_ERROR; ;
> + } else {
> + Status = EFI_NOT_STARTED ;
> + }
> + }
> + } else {
> + Status = EFI_INVALID_PARAMETER;
> + }
> +
> +EXIT:
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> +}
> +
> +/**
> + Attempt to receive a packet from the network adapter.
> +
> + This function retrieves one packet from the receive queue of the network
> + interface. If there are no packets on the receive queue, then EFI_NOT_READY
> + will be returned. If there is a packet on the receive queue, and the size
> + of the packet is smaller than BufferSize, then the contents of the packet
> + will be placed in Buffer, and BufferSize will be udpated with the actual
> + size of the packet. In addition, if SrcAddr, DestAddr, and Protocol are
> + not NULL, then these values will be extracted from the media header and
> + returned. If BufferSize is smaller than the received packet, then the
> + size of the receive packet will be placed in BufferSize and
> + EFI_BUFFER_TOO_SMALL will be returned.
> +
> + This routine calls ::Ax88179Rx to update the media status and
> + empty the network adapter of receive packets.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [out] pHeaderSize The size, in bytes, of the media header to be filled in by
> + the Transmit() function. If HeaderSize is non-zero, then
> + it must be equal to SimpleNetwork->Mode->MediaHeaderSize
> + and DestAddr and Protocol parameters must not be NULL.
> + @param [out] pBufferSize The size, in bytes, of the entire packet (media header and
> + data) to be transmitted through the network interface.
> + @param [out] pBuffer A pointer to the packet (media header followed by data) to
> + to be transmitted. This parameter can not be NULL. If
> + HeaderSize is zero, then the media header is Buffer must
> + already be filled in by the caller. If HeaderSize is nonzero,
> + then the media header will be filled in by the Transmit()
> + function.
> + @param [out] pSrcAddr The source HW MAC address. If HeaderSize is zero, then
> + this parameter is ignored. If HeaderSize is nonzero and
> + SrcAddr is NULL, then SimpleNetwork->Mode->CurrentAddress
> + is used for the source HW MAC address.
> + @param [out] pDestAddr The destination HW MAC address. If HeaderSize is zero, then
> + this parameter is ignored.
> + @param [out] pProtocol The type of header to build. If HeaderSize is zero, then
> + this parameter is ignored.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_NOT_READY No packets have been received on the network interface.
> + @retval EFI_BUFFER_TOO_SMALL The packet is larger than BufferSize bytes.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Receive (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + OUT UINTN * pHeaderSize,
> + OUT UINTN * pBufferSize,
> + OUT VOID * pBuffer,
> + OUT EFI_MAC_ADDRESS * pSrcAddr,
> + OUT EFI_MAC_ADDRESS * pDestAddr,
> + OUT UINT16 * pProtocol
> + )
> +{
> + ETHERNET_HEADER * pHeader;
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + NIC_DEVICE * pNicDevice;
> + EFI_STATUS Status;
> + UINT16 Type = 0;
> + UINT16 CurrentPktLen;
> + BOOLEAN bValid = TRUE;
> + EFI_TPL TplPrevious;
> + TplPrevious = gBS->RaiseTPL (TPL_CALLBACK);
> + //
> + // Verify the parameters
> + //
> + if (( NULL != pSimpleNetwork ) && ( NULL != pSimpleNetwork->Mode )) {
> + //
> + // The interface must be running
> + //
> + pMode = pSimpleNetwork->Mode;
> + if ( EfiSimpleNetworkInitialized == pMode->State ) {
> + if ((pBufferSize == NULL) || (pBuffer == NULL)) {
> + Status = EFI_INVALID_PARAMETER;
> + gBS->RestoreTPL (TplPrevious);
> + return Status;
> + }
> + //
> + // Update the link status
> + //
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> + if ( pNicDevice->bLinkUp && pNicDevice->bComplete) {
> + if ((NULL != pHeaderSize) && (7720 == *pHeaderSize)) {
> + pNicDevice->Grub_f = TRUE;
> + }
> +
> + if ((pNicDevice->Grub_f) && (7720 != *pHeaderSize)) {
> + gBS->RestoreTPL (TplPrevious);
> + return EFI_NOT_READY;
> + }
> + //
> + // Attempt to do bulk in
> + //
> + if (0 == pNicDevice->PktCnt) {
> + Status = Ax88179BulkIn(pNicDevice);
> + if (EFI_ERROR(Status))
> + goto no_pkt;
> + }
> + CurrentPktLen = *((UINT16*) (pNicDevice->pCurPktHdrOff + 2));
> + if (CurrentPktLen & (RXHDR_DROP | RXHDR_CRCERR))
> + bValid = FALSE;
> + CurrentPktLen &= 0x1fff;
> + CurrentPktLen -= 2; /*EEEE*/
> +
> + if (bValid && ( 60 <= CurrentPktLen ) &&
> + ((CurrentPktLen - 14) <= MAX_ETHERNET_PKT_SIZE) &&
> + (*((UINT16*)pNicDevice->pCurPktOff)) == 0xEEEE) {
> + if (*pBufferSize < (UINTN)CurrentPktLen) {
> + gBS->RestoreTPL (TplPrevious);
> + return EFI_BUFFER_TOO_SMALL;
> + }
> + *pBufferSize = CurrentPktLen;
> + CopyMem ( pBuffer, pNicDevice->pCurPktOff + 2, CurrentPktLen );
> +
> + pHeader = (ETHERNET_HEADER *) pNicDevice->pCurPktOff + 2;
> +
> + if ( NULL != pHeaderSize && (7720 != *pHeaderSize)) {
> + *pHeaderSize = sizeof ( *pHeader );
> + }
> +
> + if ( NULL != pDestAddr ) {
> + CopyMem ( pDestAddr, &pHeader->dest_addr, PXE_HWADDR_LEN_ETHER );
> + }
> + if ( NULL != pSrcAddr ) {
> + CopyMem ( pSrcAddr, &pHeader->src_addr, PXE_HWADDR_LEN_ETHER );
> + }
> + if ( NULL != pProtocol ) {
> + Type = pHeader->type;
> + Type = (UINT16)(( Type >> 8 ) | ( Type << 8 ));
> + *pProtocol = Type;
> + }
> + pNicDevice->PktCnt--;
> + pNicDevice->pCurPktHdrOff += 4;
> + pNicDevice->pCurPktOff += (CurrentPktLen + 2 + 7) & 0xfff8;
> + Status = EFI_SUCCESS;
> + } else {
> + pNicDevice->PktCnt = 0;
> + Status = EFI_NOT_READY;
> + }
> + } else {
> + Status = EFI_NOT_READY;
> + }
> + } else {
> + if (EfiSimpleNetworkStarted == pMode->State) {
> + Status = EFI_DEVICE_ERROR;
> + } else {
> + Status = EFI_NOT_STARTED ;
> + }
> + }
> + } else {
> + Status = EFI_INVALID_PARAMETER;
> + }
> + //
> + // Return the operation status
> + //
> +no_pkt:
> + gBS->RestoreTPL (TplPrevious);
> + return Status;
> +}
> +
> +
> +/**
> + This function is used to enable and disable the hardware and software receive
> + filters for the underlying network device.
> +
> + The receive filter change is broken down into three steps:
> +
> + 1. The filter mask bits that are set (ON) in the Enable parameter
> + are added to the current receive filter settings.
> +
> + 2. The filter mask bits that are set (ON) in the Disable parameter
> + are subtracted from the updated receive filter settins.
> +
> + 3. If the resulting filter settigns is not supported by the hardware
> + a more liberal setting is selected.
> +
> + If the same bits are set in the Enable and Disable parameters, then the bits
> + in the Disable parameter takes precedence.
> +
> + If the ResetMCastFilter parameter is TRUE, then the multicast address list
> + filter is disabled (irregardless of what other multicast bits are set in
> + the enable and Disable parameters). The SNP->Mode->MCastFilterCount field
> + is set to zero. The SNP->Mode->MCastFilter contents are undefined.
> +
> + After enableing or disabling receive filter settings, software should
> + verify the new settings by checking the SNP->Mode->ReceeiveFilterSettings,
> + SNP->Mode->MCastFilterCount and SNP->Mode->MCastFilter fields.
> +
> + Note: Some network drivers and/or devices will automatically promote
> + receive filter settings if the requested setting can not be honored.
> + For example, if a request for four multicast addresses is made and
> + the underlying hardware only supports two multicast addresses the
> + driver might set the promiscuous or promiscuous multicast receive filters
> + instead. The receiving software is responsible for discarding any extra
> + packets that get through the hardware receive filters.
> +
> + If ResetMCastFilter is TRUE, then the multicast receive filter list
> + on the network interface will be reset to the default multicast receive
> + filter list. If ResetMCastFilter is FALSE, and this network interface
> + allows the multicast receive filter list to be modified, then the
> + MCastFilterCnt and MCastFilter are used to update the current multicast
> + receive filter list. The modified receive filter list settings can be
> + found in the MCastFilter field of EFI_SIMPLE_NETWORK_MODE.
> +
> + This routine calls ::ReceiveFilterUpdate to update the receive
> + state in the network adapter.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] Enable A bit mask of receive filters to enable on the network interface.
> + @param [in] Disable A bit mask of receive filters to disable on the network interface.
> + For backward compatibility with EFI 1.1 platforms, the
> + EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST bit must be set
> + when the ResetMCastFilter parameter is TRUE.
> + @param [in] bResetMCastFilter Set to TRUE to reset the contents of the multicast receive
> + filters on the network interface to their default values.
> + @param [in] MCastFilterCnt Number of multicast HW MAC address in the new MCastFilter list.
> + This value must be less than or equal to the MaxMCastFilterCnt
> + field of EFI_SIMPLE_NETWORK_MODE. This field is optional if
> + ResetMCastFilter is TRUE.
> + @param [in] pMCastFilter A pointer to a list of new multicast receive filter HW MAC
> + addresses. This list will replace any existing multicast
> + HW MAC address list. This field is optional if ResetMCastFilter
> + is TRUE.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_ReceiveFilters (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN UINT32 Enable,
> + IN UINT32 Disable,
> +/*
> +#define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST 0x01
> +#define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST 0x02
> +#define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST 0x04
> +#define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS 0x08
> +#define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10
> +*/
Drop this
> + IN BOOLEAN bResetMCastFilter,
> + IN UINTN MCastFilterCnt,
> + IN EFI_MAC_ADDRESS * pMCastFilter
> + )
> +{
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + EFI_STATUS Status = EFI_SUCCESS;
> + EFI_TPL TplPrevious;
> + NIC_DEVICE * pNicDevice;
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> + pMode = pSimpleNetwork->Mode;
> +
> + if (pSimpleNetwork == NULL) {
> + gBS->RestoreTPL(TplPrevious);
> + return EFI_INVALID_PARAMETER;
> + }
> +
> + switch (pMode->State) {
> + case EfiSimpleNetworkInitialized:
> + break;
> + case EfiSimpleNetworkStopped:
> + Status = EFI_NOT_STARTED;
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> +
> + default:
> + Status = EFI_DEVICE_ERROR;
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> + }
> +
> + //
> + // check if we are asked to enable or disable something that the UNDI
UNDI?
> + // does not even support!
> + //
> + if (((Enable &~pMode->ReceiveFilterMask) != 0) ||
> + ((Disable &~pMode->ReceiveFilterMask) != 0)) {
> + Status = EFI_INVALID_PARAMETER;
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> + }
> +
> + if (bResetMCastFilter) {
> + Disable |= (EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST & pMode->ReceiveFilterMask);
> + MCastFilterCnt = 0;
> + pMode->MCastFilterCount = 0;
> + if ( (0 == (pMode->ReceiveFilterSetting & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST)) &&
> + Enable == 0 && Disable == 2) {
> + gBS->RestoreTPL(TplPrevious);
> + return EFI_SUCCESS;
> + }
> + } else {
> + if (MCastFilterCnt != 0) {
> + UINTN i;
> +
> + EFI_MAC_ADDRESS * pMulticastAddress;
> + pMulticastAddress = pMCastFilter;
> +
> + if ((MCastFilterCnt > pMode->MaxMCastFilterCount) ||
> + (pMCastFilter == NULL)) {
> + Status = EFI_INVALID_PARAMETER;
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> + }
> +
> + for ( i = 0 ; i < MCastFilterCnt ; i++ ) {
> + UINT8 tmp;
> +
> + tmp = pMulticastAddress->Addr[0];
> + if ( (tmp & 0x01) != 0x01 ) {
> + gBS->RestoreTPL(TplPrevious);
> + return EFI_INVALID_PARAMETER;
> + }
> + pMulticastAddress++;
> + }
> +
> + pMode->MCastFilterCount = (UINT32)MCastFilterCnt;
> + CopyMem (&pMode->MCastFilter[0],
> + pMCastFilter,
> + MCastFilterCnt * sizeof ( EFI_MAC_ADDRESS/**pMCastFilter*/ ));
> + }
> + }
> +
> + if (Enable == 0 && Disable == 0 && !bResetMCastFilter && MCastFilterCnt == 0) {
> + Status = EFI_SUCCESS;
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> + }
> +
> + if ((Enable & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST) != 0 && MCastFilterCnt == 0) {
> + Status = EFI_INVALID_PARAMETER;
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> + }
> +
> + pMode->ReceiveFilterSetting |= Enable;
> + pMode->ReceiveFilterSetting &= ~Disable;
> +
> + Status = ReceiveFilterUpdate (pSimpleNetwork);
> +
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> +}
> +
> +/**
> + Reset the network adapter.
> +
> + Resets a network adapter and reinitializes it with the parameters that
> + were provided in the previous call to Initialize (). The transmit and
> + receive queues are cleared. Receive filters, the station address, the
> + statistics, and the multicast-IP-to-HW MAC addresses are not reset by
> + this call.
> +
> + This routine calls ::Ax88179Reset to perform the adapter specific
> + reset operation. This routine also starts the link negotiation
> + by calling ::Ax88179NegotiateLinkStart.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] bExtendedVerification Indicates that the driver may perform a more
> + exhaustive verification operation of the device
> + during reset.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Reset (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN BOOLEAN bExtendedVerification
> + )
> +{
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + NIC_DEVICE * pNicDevice;
> + EFI_STATUS Status;
> + EFI_TPL TplPrevious;
> +
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> +
> + //
> + // Verify the parameters
> + //
> + if (( NULL != pSimpleNetwork ) && ( NULL != pSimpleNetwork->Mode )) {
> + pMode = pSimpleNetwork->Mode;
> + if ( EfiSimpleNetworkInitialized == pMode->State ) {
> + //
> + // Update the device state
> + //
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> +
> + //
> + // Reset the device
> + //
> + if (!pNicDevice->bFirstRst) {
> + Status = EFI_SUCCESS;
> + } else {
> + Status = Ax88179Reset ( pNicDevice );
> + if ( !EFI_ERROR ( Status )) {
> + Status = ReceiveFilterUpdate ( pSimpleNetwork );
> + if ( !EFI_ERROR ( Status ) && !pNicDevice->bLinkUp && pNicDevice->bFirstRst) {
> + Status = Ax88179NegotiateLinkStart ( pNicDevice );
> + pNicDevice->bFirstRst = FALSE;
> + }
> + }
> + }
> + } else {
> + Status = EFI_NOT_STARTED;
> + }
> + } else {
> + Status = EFI_INVALID_PARAMETER;
> + }
> + //
> + // Return the operation status
> + //
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> +}
> +
> +/**
> + Initialize the simple network protocol.
> +
> + This routine calls ::Ax88179MacAddressGet to obtain the
> + MAC address.
> +
> + @param [in] pNicDevice NIC_DEVICE_INSTANCE pointer
> +
> + @retval EFI_SUCCESS Setup was successful
> +
> +**/
> +EFI_STATUS
> +SN_Setup (
> + IN NIC_DEVICE * pNicDevice
> + )
> +{
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork;
> + EFI_STATUS Status;
> +
> + //
> + // Initialize the simple network protocol
> + //
> + pSimpleNetwork = &pNicDevice->SimpleNetwork;
> + pSimpleNetwork->Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION;
> + pSimpleNetwork->Start = (EFI_SIMPLE_NETWORK_START)SN_Start;
> + pSimpleNetwork->Stop = (EFI_SIMPLE_NETWORK_STOP)SN_Stop;
> + pSimpleNetwork->Initialize = (EFI_SIMPLE_NETWORK_INITIALIZE)SN_Initialize;
> + pSimpleNetwork->Reset = (EFI_SIMPLE_NETWORK_RESET)SN_Reset;
> + pSimpleNetwork->Shutdown = (EFI_SIMPLE_NETWORK_SHUTDOWN)SN_Shutdown;
> + pSimpleNetwork->ReceiveFilters = (EFI_SIMPLE_NETWORK_RECEIVE_FILTERS)SN_ReceiveFilters;
> + pSimpleNetwork->StationAddress = (EFI_SIMPLE_NETWORK_STATION_ADDRESS)SN_StationAddress;
> + pSimpleNetwork->Statistics = (EFI_SIMPLE_NETWORK_STATISTICS)SN_Statistics;
> + pSimpleNetwork->MCastIpToMac = (EFI_SIMPLE_NETWORK_MCAST_IP_TO_MAC)SN_MCastIPtoMAC;
> + pSimpleNetwork->NvData = (EFI_SIMPLE_NETWORK_NVDATA)SN_NvData;
> + pSimpleNetwork->GetStatus = (EFI_SIMPLE_NETWORK_GET_STATUS)SN_GetStatus;
> + pSimpleNetwork->Transmit = (EFI_SIMPLE_NETWORK_TRANSMIT)SN_Transmit;
> + pSimpleNetwork->Receive = (EFI_SIMPLE_NETWORK_RECEIVE)SN_Receive;
Are these casts necessary?
> + pSimpleNetwork->WaitForPacket = NULL;
> + pMode = &pNicDevice->SimpleNetworkData;
> + pSimpleNetwork->Mode = pMode;
> + pMode->State = EfiSimpleNetworkStopped;
> + pMode->HwAddressSize = PXE_HWADDR_LEN_ETHER;
> + pMode->MediaHeaderSize = sizeof ( ETHERNET_HEADER );
> + pMode->MaxPacketSize = MAX_ETHERNET_PKT_SIZE;
> + pMode->ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST
> + | EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST
> + | EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST
> + | EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS
> + | EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;
> + pMode->ReceiveFilterSetting = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST
> + | EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;
> + pMode->MaxMCastFilterCount = MAX_MCAST_FILTER_CNT;
> + pMode->MCastFilterCount = 0;
> + pMode->NvRamSize = 512;
> + pMode->NvRamAccessSize = 2;
> + SetMem ( &pMode->BroadcastAddress,
> + PXE_HWADDR_LEN_ETHER,
> + 0xff );
> + pMode->IfType = EfiNetworkInterfaceUndi;
NET_IFTYPE_ETHERNET?
> + pMode->MacAddressChangeable = TRUE;
> + pMode->MultipleTxSupported = FALSE;
> + pMode->MediaPresentSupported = TRUE;
> + pMode->MediaPresent = FALSE;
> + //
> + // Read the MAC address
> + //
> + pNicDevice->PhyId = PHY_ID_INTERNAL;
> + pNicDevice->b100Mbps = FALSE;
> + pNicDevice->b1000Mbps = TRUE;
> + pNicDevice->bFullDuplex = TRUE;
> + pNicDevice->bComplete = FALSE;
> + pNicDevice->bLinkUp = FALSE;
> + pNicDevice->Grub_f = FALSE;
> + pNicDevice->bFirstRst = TRUE;
> + pNicDevice->PktCnt = 0;
> + pNicDevice->SkipRXCnt = 0;
> + pNicDevice->usbMaxPktSize = 512;
> + pNicDevice->bSetZeroLen = TRUE;
> +
> + Status = Ax88179MacAddressGet ( pNicDevice,
> + &pMode->PermanentAddress.Addr[0]);
> + if ( !EFI_ERROR ( Status )) {
No 'success handling' please. This will return on error, so the
remaining code can run unconditionally.
> + //
> + // Use the hardware address as the current address
> + //
> + CopyMem ( &pMode->CurrentAddress,
> + &pMode->PermanentAddress,
> + PXE_HWADDR_LEN_ETHER );
> +
> + CopyMem ( &pNicDevice->MAC,
> + &pMode->PermanentAddress,
> + PXE_HWADDR_LEN_ETHER );
> +
> + } else {
> + return Status;
> + }
> +
> + Status = gBS->AllocatePool ( EfiRuntimeServicesData,
> + AX88179_MAX_BULKIN_SIZE,
> + (VOID **) &pNicDevice->pBulkInbuf );
> +
> + if (EFI_ERROR (Status)) {
> + return Status;
> + }
> +
> + Status = gBS->AllocatePool ( EfiRuntimeServicesData,
> + sizeof ( TX_PACKET ),
> + (VOID **) &pNicDevice->pTxTest );
> + if (EFI_ERROR (Status)) {
> + gBS->FreePool (pNicDevice->pBulkInbuf);
indentation
> + }
> +
> + //
> + // Return the setup status
> + //
> + return Status;
> +}
> +
> +
> +/**
> + This routine starts the network interface.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_ALREADY_STARTED The network interface was already started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Start (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
> + )
> +{
> + NIC_DEVICE * pNicDevice;
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + EFI_STATUS Status;
> + EFI_TPL TplPrevious;
> +
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> +
> +
> +
redundant whitespace
> + //
> + // Verify the parameters
> + //
> + Status = EFI_INVALID_PARAMETER;
> + if (( NULL != pSimpleNetwork ) && ( NULL != pSimpleNetwork->Mode )) {
> + pMode = pSimpleNetwork->Mode;
> + if ( EfiSimpleNetworkStopped == pMode->State ) {
> + //
> + // Initialize the mode structure
> + // NVRAM access is not supported
> + //
> + ZeroMem ( pMode, sizeof ( *pMode ));
> +
> + pMode->State = EfiSimpleNetworkStarted;
> + pMode->HwAddressSize = PXE_HWADDR_LEN_ETHER;
> + pMode->MediaHeaderSize = sizeof ( ETHERNET_HEADER );
> + pMode->MaxPacketSize = MAX_ETHERNET_PKT_SIZE;
> + pMode->ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST
> + | EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST
> + | EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST
> + | EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS
> + | EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;
> + pMode->ReceiveFilterSetting = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;
> + pMode->MaxMCastFilterCount = MAX_MCAST_FILTER_CNT;
> + pMode->MCastFilterCount = 0;
> + pMode->NvRamSize = 512;
> + pMode->NvRamAccessSize = 2;
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> + Status = Ax88179MacAddressGet ( pNicDevice, &pMode->PermanentAddress.Addr[0]);
> + CopyMem ( &pMode->CurrentAddress,
> + &pMode->PermanentAddress,
> + sizeof ( pMode->CurrentAddress ));
> + SetMem(&pMode->BroadcastAddress, PXE_HWADDR_LEN_ETHER, 0xff);
> + pMode->IfType = EfiNetworkInterfaceUndi;
> + pMode->MacAddressChangeable = TRUE;
> + pMode->MultipleTxSupported = FALSE;
> + pMode->MediaPresentSupported = TRUE;
> + pMode->MediaPresent = FALSE;
> +
> + } else {
> + Status = EFI_ALREADY_STARTED;
> + }
> + }
> + //
> + // Return the operation status
> + //
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> +}
> +
> +
> +/**
> + Set the MAC address.
> +
> + This function modifies or resets the current station address of a
> + network interface. If Reset is TRUE, then the current station address
> + is set ot the network interface's permanent address. If Reset if FALSE
> + then the current station address is changed to the address specified by
> + pNew.
> +
> + This routine calls ::Ax88179MacAddressSet to update the MAC address
> + in the network adapter.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] bReset Flag used to reset the station address to the
> + network interface's permanent address.
> + @param [in] pNew New station address to be used for the network
> + interface.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_StationAddress (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN BOOLEAN bReset,
> + IN EFI_MAC_ADDRESS * pNew
> + )
> +{
> + NIC_DEVICE * pNicDevice;
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + EFI_STATUS Status;
> +
> + EFI_TPL TplPrevious;
> +
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> + //
> + // Verify the parameters
> + //
> + if (( NULL != pSimpleNetwork ) &&
> + ( NULL != pSimpleNetwork->Mode ) &&
> + (( !bReset ) || ( bReset && ( NULL != pNew )))) {
> + //
> + // Verify that the adapter is already started
> + //
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> + pMode = pSimpleNetwork->Mode;
> + if ( EfiSimpleNetworkInitialized == pMode->State ) {
> + //
> + // Determine the adapter MAC address
> + //
> + if ( bReset ) {
> + //
> + // Use the permanent address
> + //
> + CopyMem ( &pMode->CurrentAddress,
> + &pMode->PermanentAddress,
> + sizeof ( pMode->CurrentAddress ));
> + } else {
> + //
> + // Use the specified address
> + //
> + CopyMem ( &pMode->CurrentAddress,
> + pNew,
> + sizeof ( pMode->CurrentAddress ));
> + }
> +
> + //
> + // Update the address on the adapter
> + //
> + Status = Ax88179MacAddressSet ( pNicDevice, &pMode->CurrentAddress.Addr[0]);
> + } else {
> + if (EfiSimpleNetworkStarted == pMode->State) {
> + Status = EFI_DEVICE_ERROR; ;
> + } else {
> + Status = EFI_NOT_STARTED ;
> + }
> + }
> + } else {
> + Status = EFI_INVALID_PARAMETER;
> + }
> +
> + //
> + // Return the operation status
> + //
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> +}
> +
> +
> +/**
> + This function resets or collects the statistics on a network interface.
> + If the size of the statistics table specified by StatisticsSize is not
> + big enough for all of the statistics that are collected by the network
> + interface, then a partial buffer of statistics is returned in
> + StatisticsTable.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] bReset Set to TRUE to reset the statistics for the network interface.
> + @param [in, out] pStatisticsSize On input the size, in bytes, of StatisticsTable. On output
> + the size, in bytes, of the resulting table of statistics.
> + @param [out] pStatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure that
> + conains the statistics.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_BUFFER_TOO_SMALL The pStatisticsTable is NULL or the buffer is too small.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> + typedef struct {
> + UINT64 RxTotalFrames;
> + UINT64 RxGoodFrames;
> + UINT64 RxUndersizeFrames;
> + UINT64 RxOversizeFrames;
> + UINT64 RxDroppedFrames;
> + UINT64 RxUnicastFrames;
> + UINT64 RxBroadcastFrames;
> + UINT64 RxMulticastFrames;
> + UINT64 RxCrcErrorFrames;
> + UINT64 RxTotalBytes;
> + UINT64 TxTotalFrames;
> + UINT64 TxGoodFrames;
> + UINT64 TxUndersizeFrames;
> + UINT64 TxOversizeFrames;
> + UINT64 TxDroppedFrames;
> + UINT64 TxUnicastFrames;
> + UINT64 TxBroadcastFrames;
> + UINT64 TxMulticastFrames;
> + UINT64 TxCrcErrorFrames;
> + UINT64 TxTotalBytes;
> + UINT64 Collisions;
> + UINT64 UnsupportedProtocol;
> + } EFI_NETWORK_STATISTICS;
drop this
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Statistics (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN BOOLEAN bReset,
> + IN OUT UINTN * pStatisticsSize,
> + OUT EFI_NETWORK_STATISTICS * pStatisticsTable
> + )
> +{
> + EFI_STATUS Status;
> + EFI_TPL TplPrevious;
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> +
> +
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> +
> + pMode = pSimpleNetwork->Mode;
> +
> + if ( EfiSimpleNetworkInitialized == pMode->State ) {
> + if (NULL != pStatisticsSize && 0 == *pStatisticsSize) {
> + Status = EFI_BUFFER_TOO_SMALL;
> + goto EXIT;
> + }
> +
> + if(bReset) {
> + Status = EFI_SUCCESS;
> + } else {
> + Status = EFI_SUCCESS;
> + }
> + } else {
> + if (EfiSimpleNetworkStarted == pMode->State) {
> + Status = EFI_DEVICE_ERROR; ;
> + } else {
> + Status = EFI_NOT_STARTED ;
> + }
> + }
> +
> + Status = EFI_UNSUPPORTED;
> +EXIT:
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> +}
> +
> +
> +/**
> + This function stops a network interface. This call is only valid
> + if the network interface is in the started state.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Stop (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
> + )
> +{
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + EFI_STATUS Status;
> + EFI_TPL TplPrevious;
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> +
> + //
> + // Verify the parameters
> + //
> + if (( NULL != pSimpleNetwork ) && ( NULL != pSimpleNetwork->Mode )) {
> + //
> + // Determine if the interface is started
> + //
> + pMode = pSimpleNetwork->Mode;
> + if ( EfiSimpleNetworkStarted == pMode->State ) {
> + pMode->State = EfiSimpleNetworkStopped;
> + Status = EFI_SUCCESS;
> + } else {
> + Status = EFI_NOT_STARTED;
> + }
> + } else {
> + Status = EFI_INVALID_PARAMETER;
> + }
> + //
> + // Return the operation status
> + //
> + gBS->RestoreTPL(TplPrevious);
> + return Status;
> +}
> +
> +/**
> + This function releases the memory buffers assigned in the Initialize() call.
> + Pending transmits and receives are lost, and interrupts are cleared and disabled.
> + After this call, only Initialize() and Stop() calls may be used.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> + @retval EFI_UNSUPPORTED The increased buffer size feature is not supported.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Shutdown (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork
> + )
> +{
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + EFI_STATUS Status;
> + NIC_DEVICE * pNicDevice;
> + EFI_TPL TplPrevious;
> +
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> +
> + //
> + // Verify the parameters
> + //
> + if (( NULL != pSimpleNetwork ) && ( NULL != pSimpleNetwork->Mode )) {
> + //
> + // Determine if the interface is already started
> + //
> + pMode = pSimpleNetwork->Mode;
> + if ( EfiSimpleNetworkInitialized == pMode->State ) {
> + //
> + // Stop the adapter
> + //
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> +
> + Status = Ax88179MacAddressGet ( pNicDevice, &pMode->PermanentAddress.Addr[0]);
> + if ( !EFI_ERROR ( Status )) {
> + //
> + // Update the network state
> + //
> + pMode->State = EfiSimpleNetworkStarted;
> + } else if ( EFI_DEVICE_ERROR == Status ) {
> + pMode->State = EfiSimpleNetworkStopped;
> + }
> + } else {
> + Status = EFI_NOT_STARTED;
> + }
> + } else {
> + Status = EFI_INVALID_PARAMETER;
> + }
> + //
> + // Return the operation status
> + //
> + gBS->RestoreTPL(TplPrevious );
> + return Status;
> +}
> +
> +
> +/**
> + Send a packet over the network.
> +
> + This function places the packet specified by Header and Buffer on
> + the transmit queue. This function performs a non-blocking transmit
> + operation. When the transmit is complete, the buffer is returned
> + via the GetStatus() call.
> +
> + This routine calls ::Ax88179Rx to empty the network adapter of
> + receive packets. The routine then passes the transmit packet
> + to the network adapter.
> +
> + @param [in] pSimpleNetwork Protocol instance pointer
> + @param [in] HeaderSize The size, in bytes, of the media header to be filled in by
> + the Transmit() function. If HeaderSize is non-zero, then
> + it must be equal to SimpleNetwork->Mode->MediaHeaderSize
> + and DestAddr and Protocol parameters must not be NULL.
> + @param [in] BufferSize The size, in bytes, of the entire packet (media header and
> + data) to be transmitted through the network interface.
> + @param [in] pBuffer A pointer to the packet (media header followed by data) to
> + to be transmitted. This parameter can not be NULL. If
> + HeaderSize is zero, then the media header is Buffer must
> + already be filled in by the caller. If HeaderSize is nonzero,
> + then the media header will be filled in by the Transmit()
> + function.
> + @param [in] pSrcAddr The source HW MAC address. If HeaderSize is zero, then
> + this parameter is ignored. If HeaderSize is nonzero and
> + SrcAddr is NULL, then SimpleNetwork->Mode->CurrentAddress
> + is used for the source HW MAC address.
> + @param [in] pDestAddr The destination HW MAC address. If HeaderSize is zero, then
> + this parameter is ignored.
> + @param [in] pProtocol The type of header to build. If HeaderSize is zero, then
> + this parameter is ignored.
> +
> + @retval EFI_SUCCESS This operation was successful.
> + @retval EFI_NOT_STARTED The network interface was not started.
> + @retval EFI_NOT_READY The network interface is too busy to accept this transmit request.
> + @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.
> + @retval EFI_INVALID_PARAMETER pSimpleNetwork parameter was NULL or did not point to a valid
> + EFI_SIMPLE_NETWORK_PROTOCOL structure.
> + @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +SN_Transmit (
> + IN EFI_SIMPLE_NETWORK_PROTOCOL * pSimpleNetwork,
> + IN UINTN HeaderSize,
> + IN UINTN BufferSize,
> + IN VOID * pBuffer,
> + IN EFI_MAC_ADDRESS * pSrcAddr,
> + IN EFI_MAC_ADDRESS * pDestAddr,
> + IN UINT16 * pProtocol
> + )
> +{
> + ETHERNET_HEADER * pHeader;
> + EFI_SIMPLE_NETWORK_MODE * pMode;
> + NIC_DEVICE * pNicDevice;
> + EFI_USB_IO_PROTOCOL * pUsbIo;
> + EFI_STATUS Status;
> + UINTN TransferLength;
> + UINT32 TransferStatus;
> + UINT16 Type = 0;
> + EFI_TPL TplPrevious;
> +
> + TplPrevious = gBS->RaiseTPL(TPL_CALLBACK);
> + //
> + // Verify the parameters
> + //
> + if (( NULL != pSimpleNetwork ) && ( NULL != pSimpleNetwork->Mode )) {
> + //
> + // The interface must be running
> + //
> + pMode = pSimpleNetwork->Mode;
> + if ( EfiSimpleNetworkInitialized == pMode->State ) {
> + //
> + // Update the link status
> + //
> + pNicDevice = DEV_FROM_SIMPLE_NETWORK ( pSimpleNetwork );
> +
> + if ( pNicDevice->bLinkUp && pNicDevice->bComplete) {
> + if (0 != HeaderSize && pMode->MediaHeaderSize != HeaderSize) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> + if (BufferSize < pMode->MediaHeaderSize) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> + if (NULL == pBuffer) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> + if (0 != HeaderSize && NULL == pDestAddr) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> + if (0 != HeaderSize && NULL == pProtocol) {
> + Status = EFI_INVALID_PARAMETER;
> + goto EXIT;
> + }
> + //
> + // Copy the packet into the USB buffer
> + //
> + // pBuffer starting with 14 bytes 0
> + CopyMem ( &pNicDevice->pTxTest->Data[0], pBuffer, BufferSize);
> + pNicDevice->pTxTest->TxHdr1 = (UINT32) BufferSize;
> + pNicDevice->pTxTest->TxHdr2 = 0;
> + //
> + // Transmit the packet
> + //
> + pHeader = (ETHERNET_HEADER *) &pNicDevice->pTxTest->Data[0];
> + if ( 0 != HeaderSize ) {
> + if ( NULL != pDestAddr ) {
> + CopyMem ( &pHeader->dest_addr, pDestAddr, PXE_HWADDR_LEN_ETHER );
> + }
> + if ( NULL != pSrcAddr ) {
> + CopyMem ( &pHeader->src_addr, pSrcAddr, PXE_HWADDR_LEN_ETHER );
> + } else {
> + CopyMem ( &pHeader->src_addr, &pMode->CurrentAddress.Addr[0], PXE_HWADDR_LEN_ETHER );
> + }
> + if ( NULL != pProtocol ) {
> + Type = *pProtocol;
> + } else {
> + Type = (UINT16) BufferSize;
> + }
> + Type = (UINT16)(( Type >> 8 ) | ( Type << 8 ));
> + pHeader->type = Type;
> + }
> +
> + if ( pNicDevice->pTxTest->TxHdr1 < MIN_ETHERNET_PKT_SIZE ) {
> + pNicDevice->pTxTest->TxHdr1 = MIN_ETHERNET_PKT_SIZE;
> + ZeroMem ( &pNicDevice->pTxTest->Data[BufferSize],
> + MIN_ETHERNET_PKT_SIZE - BufferSize );
> + }
> +
> + TransferLength = sizeof ( pNicDevice->pTxTest->TxHdr1 )
> + + sizeof ( pNicDevice->pTxTest->TxHdr2 )
> + + pNicDevice->pTxTest->TxHdr1;
> + //
> + // Work around USB bus driver bug where a timeout set by receive
> + // succeeds but the timeout expires immediately after, causing the
> + // transmit operation to timeout.
> + //
> + pUsbIo = pNicDevice->pUsbIo;
> + Status = pUsbIo->UsbBulkTransfer ( pUsbIo,
> + BULK_OUT_ENDPOINT,
> + &pNicDevice->pTxTest->TxHdr1,
> + &TransferLength,
> + 0xfffffffe,
> + &TransferStatus );
> +
> + if (!EFI_ERROR(Status) && !EFI_ERROR(Status)) {
> + pNicDevice->pTxBuffer = pBuffer;
> + Status = EFI_SUCCESS;
> + } else if (EFI_TIMEOUT == Status && EFI_USB_ERR_TIMEOUT == TransferStatus) {
> + Status = EFI_NOT_READY;
> + } else {
> + Status = EFI_DEVICE_ERROR;
> + }
> + } else {
> + //
> + // No packets available.
> + //
> + Status = EFI_NOT_READY;
> + }
> + } else {
> + if (EfiSimpleNetworkStarted == pMode->State) {
> + Status = EFI_DEVICE_ERROR; ;
> + } else {
> + Status = EFI_NOT_STARTED ;
> + }
> + }
> + } else {
> + Status = EFI_INVALID_PARAMETER;
> + }
> +EXIT:
> + gBS->RestoreTPL (TplPrevious);
> + return Status;
> +}
>
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