/************************************************************************** Copyright (c) 2001-2016, Intel Corporation All rights reserved. Source code in this module is released to Microsoft per agreement INTC093053_DA solely for the purpose of supporting Intel Ethernet hardware in the Ethernet transport layer of Microsoft's Kernel Debugger. ***************************************************************************/ #include "xgbe.h" #ifndef INTEL_KDNET #include #endif // // Global variables defined outside this file // extern PXE_SW_UNDI *ixgbe_pxe_31; extern UNDI_PRIVATE_DATA *XgbeDeviceList[MAX_NIC_INTERFACES]; // // Forward declarations for UNDI function table // VOID UndiGetState ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiStart ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiStop ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiGetInitInfo ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiGetConfigInfo ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiInitialize ( IN PXE_CDB *CdbPtr, XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiReset ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiShutdown ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiInterrupt ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiRecFilter ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiStnAddr ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiStatistics ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiIp2Mac ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiNVData ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiStatus ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiFillHeader ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiTransmit ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiReceive ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ); // // Global variables defined in this file // UNDI_CALL_TABLE ixgbe_api_table[PXE_OPCODE_LAST_VALID + 1] = { { PXE_CPBSIZE_NOT_USED, PXE_DBSIZE_NOT_USED, 0, (UINT16) (ANY_STATE), UndiGetState }, { (UINT16) (DONT_CHECK), PXE_DBSIZE_NOT_USED, 0, (UINT16) (ANY_STATE), UndiStart }, { PXE_CPBSIZE_NOT_USED, PXE_DBSIZE_NOT_USED, 0, MUST_BE_STARTED, UndiStop }, { PXE_CPBSIZE_NOT_USED, sizeof (PXE_DB_GET_INIT_INFO), 0, MUST_BE_STARTED, UndiGetInitInfo }, { PXE_CPBSIZE_NOT_USED, sizeof (PXE_DB_GET_CONFIG_INFO), 0, MUST_BE_STARTED, UndiGetConfigInfo }, { sizeof (PXE_CPB_INITIALIZE), (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_STARTED, UndiInitialize }, { PXE_CPBSIZE_NOT_USED, PXE_DBSIZE_NOT_USED, (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, UndiReset }, { PXE_CPBSIZE_NOT_USED, PXE_DBSIZE_NOT_USED, 0, MUST_BE_INITIALIZED, UndiShutdown }, { PXE_CPBSIZE_NOT_USED, PXE_DBSIZE_NOT_USED, (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, UndiInterrupt }, { (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, UndiRecFilter }, { (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, UndiStnAddr }, { PXE_CPBSIZE_NOT_USED, (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, UndiStatistics }, { sizeof (PXE_CPB_MCAST_IP_TO_MAC), sizeof (PXE_DB_MCAST_IP_TO_MAC), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, UndiIp2Mac }, { (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, UndiNVData }, { PXE_CPBSIZE_NOT_USED, (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, UndiStatus }, { (UINT16) (DONT_CHECK), PXE_DBSIZE_NOT_USED, (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, UndiFillHeader }, { (UINT16) (DONT_CHECK), PXE_DBSIZE_NOT_USED, (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, UndiTransmit }, { sizeof (PXE_CPB_RECEIVE), sizeof (PXE_DB_RECEIVE), 0, MUST_BE_INITIALIZED, UndiReceive } }; VOID UndiGetState ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine determines the operational state of the UNDI. It updates the state flags in the Command Descriptor Block based on information derived from the AdapterInfo instance data. To ensure the command has completed successfully, CdbPtr->StatCode will contain the result of the command execution. The CdbPtr->StatFlags will contain a STOPPED, STARTED, or INITIALIZED state once the command has successfully completed. Keep in mind the AdapterInfo->State is the active state of the adapter (based on software interrogation), and the CdbPtr->StateFlags is the passed back information that is reflected to the caller of the UNDI API. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { CdbPtr->StatFlags |= XgbeAdapter->State; CdbPtr->StatFlags |= PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID UndiStart ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to change the operational state of the 10-Gigabit UNDI from stopped to started. It will do this as long as the adapter's state is PXE_STATFLAGS_GET_STATE_STOPPED, otherwise the CdbPtr->StatFlags will reflect a command failure, and the CdbPtr->StatCode will reflect the UNDI as having already been started. This routine is modified to reflect the undi 1.1 specification changes. The changes in the spec are mainly in the callback routines, the new spec adds 3 more callbacks and a unique id. Since this UNDI supports both old and new undi specifications, The NIC's data structure is filled in with the callback routines (depending on the version) pointed to in the caller's CpbPtr. This seeds the Delay, Virt2Phys, Block, and Mem_IO for old and new versions and Map_Mem, UnMap_Mem and Sync_Mem routines and a unique id variable for the new version. This is the function which an external entity (SNP, O/S, etc) would call to provide it's I/O abstraction to the UNDI. It's final action is to change the AdapterInfo->State to PXE_STATFLAGS_GET_STATE_STARTED. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { PXE_CPB_START_31 *CpbPtr_31; DEBUGPRINT (DECODE, ("UndiStart\n")); DEBUGWAIT (DECODE); // // check if it is already started. // if (XgbeAdapter->State != PXE_STATFLAGS_GET_STATE_STOPPED) { DEBUGPRINT (CRITICAL, ("ERROR: UndiStart called when driver state not stopped\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_ALREADY_STARTED; return ; } #ifndef INTEL_KDNET if (CdbPtr->CPBsize != sizeof (PXE_CPB_START_30) && CdbPtr->CPBsize != sizeof (PXE_CPB_START_31)) { #else if (CdbPtr->CPBsize != sizeof (PXE_CPB_START) && CdbPtr->CPBsize != sizeof (PXE_CPB_START_31)) { #endif DEBUGPRINT (CRITICAL, ("ERROR: UndiStart CPD size incorrect\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } CpbPtr_31 = (PXE_CPB_START_31 *) (UINTN) (CdbPtr->CPBaddr); XgbeAdapter->Delay = (bsptr) (UINTN) CpbPtr_31->Delay; XgbeAdapter->Virt2Phys = (virtphys) (UINTN) CpbPtr_31->Virt2Phys; XgbeAdapter->Block = (block) (UINTN) CpbPtr_31->Block; XgbeAdapter->Mem_Io = (mem_io) (UINTN) CpbPtr_31->Mem_IO; XgbeAdapter->Map_Mem = (map_mem) (UINTN) CpbPtr_31->Map_Mem; XgbeAdapter->UnMap_Mem = (unmap_mem) (UINTN) CpbPtr_31->UnMap_Mem; XgbeAdapter->Sync_Mem = (sync_mem) (UINTN) CpbPtr_31->Sync_Mem; XgbeAdapter->Unique_ID = CpbPtr_31->Unique_ID; XgbeAdapter->State = PXE_STATFLAGS_GET_STATE_STARTED; CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID UndiStop ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to change the operational state of the UNDI from started to stopped. It will not do this if the adapter's state is PXE_STATFLAGS_GET_STATE_INITIALIZED, otherwise the CdbPtr->StatFlags will reflect a command failure, and the CdbPtr->StatCode will reflect the UNDI as having already not been shut down. The NIC's data structure will have the Delay, Virt2Phys, and Block, pointers zero'd out.. It's final action is to change the AdapterInfo->State to PXE_STATFLAGS_GET_STATE_STOPPED. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { DEBUGPRINT (DECODE, ("UndiStop\n")); DEBUGWAIT (DECODE); if (XgbeAdapter->State == PXE_STATFLAGS_GET_STATE_INITIALIZED) { DEBUGPRINT (CRITICAL, ("ERROR: UndiStop called when driver not initialized\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_NOT_SHUTDOWN; return ; } XgbeAdapter->Delay = 0; XgbeAdapter->Virt2Phys = 0; XgbeAdapter->Block = 0; XgbeAdapter->Map_Mem = 0; XgbeAdapter->UnMap_Mem = 0; XgbeAdapter->Sync_Mem = 0; XgbeAdapter->State = PXE_STATFLAGS_GET_STATE_STOPPED; CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID UndiGetInitInfo ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to retrieve the initialization information that is needed by drivers and applications to initialize the UNDI. This will fill in data in the Data Block structure that is pointed to by the caller's CdbPtr->DBaddr. The fields filled in are as follows: MemoryRequired, FrameDataLen, LinkSpeeds[0-3], NvCount, NvWidth, MediaHeaderLen, HWaddrLen, MCastFilterCnt, TxBufCnt, TxBufSize, RxBufCnt, RxBufSize, IFtype, Duplex, and LoopBack. In addition, the CdbPtr->StatFlags ORs in that this NIC supports cable detection. (APRIORI knowledge) Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { PXE_DB_GET_INIT_INFO *DbPtr; DEBUGPRINT (DECODE, ("UndiGetInitInfo\n")); DEBUGWAIT (DECODE); DbPtr = (PXE_DB_GET_INIT_INFO *) (UINTN) (CdbPtr->DBaddr); DbPtr->MemoryRequired = 0; DbPtr->FrameDataLen = PXE_MAX_TXRX_UNIT_ETHER; DbPtr->LinkSpeeds[0] = 10000; DbPtr->LinkSpeeds[1] = 0; DbPtr->LinkSpeeds[2] = 0; DbPtr->LinkSpeeds[3] = 0; DbPtr->NvCount = MAX_EEPROM_LEN; DbPtr->NvWidth = 4; DbPtr->MediaHeaderLen = PXE_MAC_HEADER_LEN_ETHER; DbPtr->HWaddrLen = PXE_HWADDR_LEN_ETHER; DbPtr->MCastFilterCnt = MAX_MCAST_ADDRESS_CNT; DbPtr->TxBufCnt = DEFAULT_TX_DESCRIPTORS; DbPtr->TxBufSize = sizeof (struct ixgbe_legacy_tx_desc); DbPtr->RxBufCnt = DEFAULT_RX_DESCRIPTORS; DbPtr->RxBufSize = sizeof (struct ixgbe_legacy_rx_desc) + sizeof (LOCAL_RX_BUFFER); DbPtr->IFtype = PXE_IFTYPE_ETHERNET; #ifndef INTEL_KDNET DbPtr->SupportedDuplexModes = PXE_DUPLEX_ENABLE_FULL_SUPPORTED; DbPtr->SupportedLoopBackModes = 0; #else DbPtr->Duplex = PXE_DUPLEX_ENABLE_FULL_SUPPORTED | PXE_DUPLEX_FORCE_FULL_SUPPORTED; DbPtr->LoopBack = 0; #endif CdbPtr->StatFlags |= (PXE_STATFLAGS_CABLE_DETECT_SUPPORTED | PXE_STATFLAGS_GET_STATUS_NO_MEDIA_SUPPORTED); CdbPtr->StatFlags |= PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID UndiGetConfigInfo ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to retrieve the configuration information about the NIC being controlled by this driver. This will fill in data in the Data Block structure that is pointed to by the caller's CdbPtr->DBaddr. The fields filled in are as follows: DbPtr->pci.BusType, DbPtr->pci.Bus, DbPtr->pci.Device, and DbPtr->pci. In addition, the DbPtr->pci.Config.Dword[0-63] grabs a copy of this NIC's PCI configuration space. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { PXE_DB_GET_CONFIG_INFO *DbPtr; DEBUGPRINT (DECODE, ("UndiGetConfigInfo\n")); DEBUGWAIT (DECODE); DbPtr = (PXE_DB_GET_CONFIG_INFO *) (UINTN) (CdbPtr->DBaddr); DbPtr->pci.BusType = PXE_BUSTYPE_PCI; #ifndef INTEL_KDNET DbPtr->pci.Bus = XgbeAdapter->Bus; DbPtr->pci.Device = XgbeAdapter->Device; DbPtr->pci.Function = XgbeAdapter->Function; #else DbPtr->pci.Bus = (UINT16) XgbeAdapter->Bus; DbPtr->pci.Device = (UINT8) XgbeAdapter->Device; DbPtr->pci.Function = (UINT8) XgbeAdapter->Function; #endif DEBUGPRINT ( DECODE, ("Bus %x, Device %x, Function %x\n", XgbeAdapter->Bus, XgbeAdapter->Device, XgbeAdapter->Function) ); CopyMem (DbPtr->pci.Config.Dword, &XgbeAdapter->PciConfig, MAX_PCI_CONFIG_LEN * sizeof (UINT32)); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID UndiInitialize ( IN PXE_CDB *CdbPtr, XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine resets the network adapter and initializes the 10-Gigabit UNDI using the parameters supplied in the CPB. This command must be issued before the network adapter can be setup to transmit and receive packets. Once the memory requirements of the UNDI are obtained by using the GetInitInfo command, a block of non-swappable memory may need to be allocated. The address of this memory must be passed to UNDI during the Initialize in the CPB. This memory is used primarily for transmit and receive buffers. The fields CableDetect, LinkSpeed, Duplex, LoopBack, MemoryPtr, and MemoryLength are set with information that was passed in the CPB and the NIC is initialized. If the NIC initialization fails, the CdbPtr->StatFlags are updated with PXE_STATFLAGS_COMMAND_FAILED Otherwise, AdapterInfo->State is updated with PXE_STATFLAGS_GET_STATE_INITIALIZED showing the state of the UNDI is now initialized. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { PXE_CPB_INITIALIZE *CpbPtr; PXE_DB_INITIALIZE *DbPtr; #ifndef INTEL_KDNET if (XgbeAdapter->DriverBusy == TRUE) { DEBUGPRINT (CRITICAL, ("ERROR: UndiInitialize called when driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif DEBUGPRINT (DECODE, ("UndiInitialize\n")); DEBUGWAIT (DECODE); if ((CdbPtr->OpFlags != PXE_OPFLAGS_INITIALIZE_DETECT_CABLE) && (CdbPtr->OpFlags != PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE) ) { DEBUGPRINT (CRITICAL, ("ERROR: UndiInitialize invalid CDB\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } // // check if it is already initialized // if (XgbeAdapter->State == PXE_STATFLAGS_GET_STATE_INITIALIZED) { DEBUGPRINT (CRITICAL, ("ERROR: UndiInitialize already initialized\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_ALREADY_INITIALIZED; return ; } CpbPtr = (PXE_CPB_INITIALIZE *) (UINTN) CdbPtr->CPBaddr; DbPtr = (PXE_DB_INITIALIZE *) (UINTN) CdbPtr->DBaddr; XgbeAdapter->CableDetect = (UINT8) ((CdbPtr->OpFlags == (UINT16) PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE) ? (UINT8) 0 : (UINT8) 1); DEBUGPRINT (DECODE, ("CdbPtr->OpFlags = %X\n", CdbPtr->OpFlags)); XgbeAdapter->LinkSpeed = (UINT16) CpbPtr->LinkSpeed; #if 0 XgbeAdapter->DuplexMode = CpbPtr->DuplexMode; XgbeAdapter->LoopBack = CpbPtr->LoopBackMode; #else XgbeAdapter->DuplexMode = CpbPtr->Duplex; XgbeAdapter->LoopBack = CpbPtr->LoopBack; #endif DEBUGPRINT (DECODE, ("CpbPtr->TxBufCnt = %X\n", CpbPtr->TxBufCnt)); DEBUGPRINT (DECODE, ("CpbPtr->TxBufSize = %X\n", CpbPtr->TxBufSize)); DEBUGPRINT (DECODE, ("CpbPtr->RxBufCnt = %X\n", CpbPtr->RxBufCnt)); DEBUGPRINT (DECODE, ("CpbPtr->RxBufSize = %X\n", CpbPtr->RxBufSize)); CdbPtr->StatCode = (PXE_STATCODE) XgbeInitialize (XgbeAdapter); // // Fill in the DpPtr with how much memory we used to conform to the UNDI spec. // DbPtr->MemoryUsed = 0; DbPtr->TxBufCnt = DEFAULT_TX_DESCRIPTORS; DbPtr->TxBufSize = sizeof (struct ixgbe_legacy_tx_desc); DbPtr->RxBufCnt = DEFAULT_RX_DESCRIPTORS; DbPtr->RxBufSize = sizeof (struct ixgbe_legacy_rx_desc) + sizeof (LOCAL_RX_BUFFER); if (CdbPtr->StatCode != PXE_STATCODE_SUCCESS) { DEBUGPRINT (DECODE, ("XgbeInitialize failed! Statcode = %X\n", CdbPtr->StatCode)); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; } else { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; XgbeAdapter->State = PXE_STATFLAGS_GET_STATE_INITIALIZED; } if (XgbeAdapter->CableDetect != 0) { ixgbe_link_speed LinkSpeed; BOOLEAN LinkUp; BOOLEAN AutoNeg; ixgbe_get_link_capabilities(&XgbeAdapter->hw, &LinkSpeed, &AutoNeg); #ifdef INTEL_KDNET AutoNeg = TRUE; #endif ixgbe_check_link(&XgbeAdapter->hw, &LinkSpeed, &LinkUp, AutoNeg); DEBUGPRINT (XGBE, ("Link speed:%X Link Up:%X\n", LinkSpeed, LinkUp)); if (LinkUp == FALSE) { DEBUGPRINT (CRITICAL, ("Link down\n")); CdbPtr->StatFlags |= PXE_STATFLAGS_INITIALIZED_NO_MEDIA; CdbPtr->StatCode = PXE_STATCODE_NOT_STARTED; XgbeAdapter->State = PXE_STATFLAGS_GET_STATE_STARTED; } #ifdef INTEL_KDNET else { DbPtr->LinkDuplex = FALSE; DbPtr->LinkSpeed = 0; if ((LinkSpeed & IXGBE_LINK_SPEED_100_FULL) != FALSE) { DbPtr->LinkDuplex = TRUE; DbPtr->LinkSpeed = 100; } if ((LinkSpeed & IXGBE_LINK_SPEED_1GB_FULL) != FALSE) { DbPtr->LinkDuplex = TRUE; DbPtr->LinkSpeed = 1000; } if ((LinkSpeed & IXGBE_LINK_SPEED_10GB_FULL) != FALSE) { DbPtr->LinkDuplex = TRUE; DbPtr->LinkSpeed = 10000; } } #endif } return ; } VOID UndiReset ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine resets the network adapter and initializes the 10-Gigabit UNDI using the parameters supplied in the CPB. The transmit and receive queues are emptied and any pending interrupts are cleared. If the NIC reset fails, the CdbPtr->StatFlags are updated with PXE_STATFLAGS_COMMAND_FAILED Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { DEBUGPRINT (DECODE, ("IXGBE_UNDI_Reset\n")); DEBUGWAIT (DECODE); #ifndef INTEL_KDNET if (XgbeAdapter->DriverBusy == TRUE) { DEBUGPRINT (CRITICAL, ("ERROR: UndiReset called when driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif if (CdbPtr->OpFlags != PXE_OPFLAGS_NOT_USED && CdbPtr->OpFlags != PXE_OPFLAGS_RESET_DISABLE_INTERRUPTS && CdbPtr->OpFlags != PXE_OPFLAGS_RESET_DISABLE_FILTERS ) { DEBUGPRINT (CRITICAL, ("ERROR: UndiReset, invalid CDB\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } CdbPtr->StatCode = (UINT16) XgbeReset (XgbeAdapter, CdbPtr->OpFlags); if (CdbPtr->StatCode != PXE_STATCODE_SUCCESS) { DEBUGPRINT (CRITICAL, ("ERROR: UndiReset failed\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; } else { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; } } VOID UndiShutdown ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine resets the network adapter and leaves it in a safe state for another driver to initialize. Any pending transmits or receives are lost. Receive filters and external interrupt enables are disabled. Once the UNDI has been shutdown, it can then be stopped or initialized again. If the NIC reset fails, the CdbPtr->StatFlags are updated with PXE_STATFLAGS_COMMAND_FAILED Otherwise, XgbeAdapter->State is updated with PXE_STATFLAGS_GET_STATE_STARTED showing the state of the NIC as being started. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { // // do the shutdown stuff here // DEBUGPRINT (DECODE, ("UndiShutdown\n")); DEBUGWAIT (DECODE); #ifndef INTEL_KDNET if (XgbeAdapter->DriverBusy == TRUE) { DEBUGPRINT (CRITICAL, ("ERROR: UndiShutdown called when driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif CdbPtr->StatCode = (UINT16) XgbeShutdown (XgbeAdapter); if (CdbPtr->StatCode != PXE_STATCODE_SUCCESS) { DEBUGPRINT (CRITICAL, ("ERROR: UndiShutdown failed\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; } else { XgbeAdapter->State = PXE_STATFLAGS_GET_STATE_STARTED; CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; } return ; } VOID UndiInterrupt ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine can be used to read and/or change the current external interrupt enable settings. Disabling an external interrupt enable prevents and external (hardware) interrupt from being signaled by the network device. Internally the interrupt events can still be polled by using the UNDI_GetState command. The resulting information on the interrupt state will be passed back in the CdbPtr->StatFlags. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on. Returns: None --*/ { UINT8 IntMask; DEBUGPRINT (DECODE, ("UndiInterrupt\n")); IntMask = (UINT8) (UINTN) ( CdbPtr->OpFlags & ( PXE_OPFLAGS_INTERRUPT_RECEIVE | PXE_OPFLAGS_INTERRUPT_TRANSMIT | PXE_OPFLAGS_INTERRUPT_COMMAND | PXE_OPFLAGS_INTERRUPT_SOFTWARE ) ); switch (CdbPtr->OpFlags & PXE_OPFLAGS_INTERRUPT_OPMASK) { case PXE_OPFLAGS_INTERRUPT_READ: break; case PXE_OPFLAGS_INTERRUPT_ENABLE: // which one?? if (IntMask == 0) { DEBUGPRINT (CRITICAL, ("ERROR: UndiInterrupt, invalid CDB\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } XgbeAdapter->IntMask = IntMask; XgbeSetInterruptState (XgbeAdapter); break; case PXE_OPFLAGS_INTERRUPT_DISABLE: // which one?? if (IntMask != 0) { XgbeAdapter->IntMask &= ~(IntMask); XgbeSetInterruptState (XgbeAdapter); break; } // // else fall thru. // default: DEBUGPRINT (CRITICAL, ("ERROR: UndiInterrupt, unknown opflags\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } if ((XgbeAdapter->IntMask & PXE_OPFLAGS_INTERRUPT_RECEIVE) != 0) { CdbPtr->StatFlags |= PXE_STATFLAGS_INTERRUPT_RECEIVE; } if ((XgbeAdapter->IntMask & PXE_OPFLAGS_INTERRUPT_TRANSMIT) != 0) { CdbPtr->StatFlags |= PXE_STATFLAGS_INTERRUPT_TRANSMIT; } if ((XgbeAdapter->IntMask & PXE_OPFLAGS_INTERRUPT_COMMAND) != 0) { CdbPtr->StatFlags |= PXE_STATFLAGS_INTERRUPT_COMMAND; } return ; } VOID DebugRcvFilter ( IN PXE_CDB *CdbPtr ) { UINTN i; UINT8* Byte; DEBUGPRINT (DECODE, ("OPFLAGS = %04x\n", CdbPtr->OpFlags)); if (CdbPtr->OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_ENABLE) DEBUGPRINT(DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_ENABLE\n")); if (CdbPtr->OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_DISABLE) DEBUGPRINT(DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_DISABLE\n")); if ((CdbPtr->OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_OPMASK) == PXE_OPFLAGS_RECEIVE_FILTER_READ) DEBUGPRINT(DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_READ\n")); if (CdbPtr->OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST) DEBUGPRINT(DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST\n")); if (CdbPtr->OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_UNICAST) DEBUGPRINT(DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_UNICAST\n")); if (CdbPtr->OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST) DEBUGPRINT(DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_BROADCAST\n")); if (CdbPtr->OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST) DEBUGPRINT(DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST\n")); if (CdbPtr->OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS) DEBUGPRINT(DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_PROMISCUOUS\n")); if (CdbPtr->OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST) DEBUGPRINT(DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST\n")); DEBUGWAIT(DECODE); Byte = (UINT8*) (UINTN) CdbPtr->CPBaddr; DEBUGPRINT(DECODE, ("\nFound %d multicast addresses\n", CdbPtr->CPBsize/PXE_MAC_LENGTH)); for (i = 0; i < CdbPtr->CPBsize; i++) { if (i % PXE_MAC_LENGTH == 0) DEBUGPRINT(DECODE, ("\nMcast Addr %d:", i/PXE_MAC_LENGTH)); DEBUGPRINT(DECODE, ("%02x ", Byte[i])); } } VOID UndiRecFilter ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to read and change receive filters and, if supported, read and change multicast MAC address filter list. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { UINT16 NewFilter; UINT16 OpFlags; DEBUGPRINT (DECODE, ("UndiRecFilter\n")); #ifndef INTEL_KDNET if (XgbeAdapter->DriverBusy == TRUE) { DEBUGPRINT (CRITICAL, ("Driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif OpFlags = CdbPtr->OpFlags; NewFilter = (UINT16) (OpFlags & 0x1F); DebugRcvFilter(CdbPtr); switch (OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_OPMASK) { case PXE_OPFLAGS_RECEIVE_FILTER_READ: DEBUGPRINT (DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_READ\n")); // // not expecting a cpb, not expecting any filter bits // if ((NewFilter != 0) || (CdbPtr->CPBsize != 0)) { goto BadCdb; } if (CdbPtr->DBsize >= XgbeAdapter->McastList.Length * PXE_MAC_LENGTH) { DEBUGPRINT (DECODE, ("Copying Mcast ADDR list to DBAddr\n")); CopyMem( (VOID*) (UINTN) CdbPtr->DBaddr, XgbeAdapter->McastList.McAddr, XgbeAdapter->McastList.Length * PXE_MAC_LENGTH ); } else { DEBUGPRINT (CRITICAL, ("DBsize too small for MC List: %d\n", CdbPtr->DBaddr)); } break; case PXE_OPFLAGS_RECEIVE_FILTER_ENABLE: // // there should be atleast one other filter bit set. // DEBUGPRINT (DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_ENABLE\n")); if (NewFilter == 0) { // // nothing to enable // goto BadCdb; } if (CdbPtr->CPBsize != 0) { // // this must be a multicast address list! // don't accept the list unless selective_mcast is set // don't accept confusing mcast settings with this // if (((NewFilter & PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST) == 0) || ((NewFilter & PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST) != 0) || ((NewFilter & PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST) != 0) ) { goto BadCdb; } } // // check selective mcast case enable case // if ((OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST) != 0) { if (((OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST) != 0) || ((OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_ALL_MULTICAST) != 0) ) { goto BadCdb; } // // if no cpb, make sure we have an old list // if ((CdbPtr->CPBsize == 0) && (XgbeAdapter->McastList.Length == 0)) { goto BadCdb; } } NewFilter |= PXE_OPFLAGS_RECEIVE_FILTER_UNICAST; XgbeSetFilter (XgbeAdapter, NewFilter); ZeroMem(XgbeAdapter->McastList.McAddr, MAX_MCAST_ADDRESS_CNT*PXE_MAC_LENGTH); CopyMem( XgbeAdapter->McastList.McAddr, (VOID*)(UINTN) CdbPtr->CPBaddr, CdbPtr->CPBsize ); XgbeAdapter->McastList.Length = CdbPtr->CPBsize / PXE_MAC_LENGTH; XgbeSetMcastList (XgbeAdapter); break; case PXE_OPFLAGS_RECEIVE_FILTER_DISABLE: // // mcast list not expected, i.e. no cpb here! // DEBUGPRINT (DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_DISABLE\n")); if (CdbPtr->CPBsize != PXE_CPBSIZE_NOT_USED) { goto BadCdb; // db with all_multi?? } XgbeClearFilter (XgbeAdapter, NewFilter); break; default: goto BadCdb; } if ((OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST) != 0) { DEBUGPRINT (DECODE, ("PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST\n")); // // Setting Mcast list length to 0 will disable receive of multicast packets // if (XgbeAdapter->McastList.Length != 0) { XgbeAdapter->McastList.Length = 0; XgbeSetMcastList (XgbeAdapter); } } DEBUGPRINT(DECODE, ("XgbeAdapter->RxFilter = %04x\n", XgbeAdapter->RxFilter)); DEBUGWAIT(DECODE); if (XgbeAdapter->ReceiveStarted) { CdbPtr->StatFlags |= (XgbeAdapter->RxFilter | PXE_STATFLAGS_COMMAND_COMPLETE); } return ; BadCdb: DEBUGPRINT (CRITICAL, ("ERROR: UndiRecFilter: invalid CDB\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } VOID UndiStnAddr ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to get the current station and broadcast MAC addresses, and to change the current station MAC address. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on. Returns: None --*/ { PXE_CPB_STATION_ADDRESS *CpbPtr; PXE_DB_STATION_ADDRESS *DbPtr; UINT16 i; DbPtr = NULL; DEBUGPRINT (DECODE, ("UndiStnAddr\n")); if (CdbPtr->OpFlags == PXE_OPFLAGS_STATION_ADDRESS_RESET) { // // configure the permanent address. // change the AdapterInfo->CurrentNodeAddress field. // if (CompareMem ( XgbeAdapter->hw.mac.addr, XgbeAdapter->hw.mac.perm_addr, PXE_HWADDR_LEN_ETHER ) != 0) { CopyMem ( XgbeAdapter->hw.mac.addr, XgbeAdapter->hw.mac.perm_addr, PXE_HWADDR_LEN_ETHER ); ixgbe_set_rar (&XgbeAdapter->hw, 0, XgbeAdapter->hw.mac.addr, 0, TRUE); } } if (CdbPtr->CPBaddr != (UINT64) 0) { CpbPtr = (PXE_CPB_STATION_ADDRESS *) (UINTN) (CdbPtr->CPBaddr); XgbeAdapter->MacAddrOverride = TRUE; // // configure the new address // CopyMem (XgbeAdapter->hw.mac.addr, CpbPtr->StationAddr, PXE_HWADDR_LEN_ETHER); ixgbe_set_rar (&XgbeAdapter->hw, 0, XgbeAdapter->hw.mac.addr, 0, TRUE); } if (CdbPtr->DBaddr != (UINT64) 0) { DbPtr = (PXE_DB_STATION_ADDRESS *) (UINTN) (CdbPtr->DBaddr); // // fill it with the new values // ZeroMem (DbPtr->StationAddr, PXE_MAC_LENGTH); ZeroMem (DbPtr->PermanentAddr, PXE_MAC_LENGTH); ZeroMem (DbPtr->BroadcastAddr, PXE_MAC_LENGTH); CopyMem (DbPtr->StationAddr, XgbeAdapter->hw.mac.addr, PXE_HWADDR_LEN_ETHER); CopyMem (DbPtr->PermanentAddr, XgbeAdapter->hw.mac.perm_addr, PXE_HWADDR_LEN_ETHER); CopyMem (DbPtr->BroadcastAddr, XgbeAdapter->BroadcastNodeAddress, PXE_MAC_LENGTH); } DEBUGPRINT (DECODE, ("DbPtr->BroadcastAddr =")); for (i = 0; i < PXE_MAC_LENGTH; i++) { DEBUGPRINT (DECODE, (" %x", DbPtr->BroadcastAddr[i])); } DEBUGPRINT (DECODE, ("\n")); DEBUGWAIT (DECODE); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID UndiStatistics ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to read and clear the NIC traffic statistics. This command is supported only if the !PXE structure's Implementation flags say so. Results will be parsed out in the following manner: CdbPtr->DBaddr.Data[0] R Total Frames (Including frames with errors and dropped frames) CdbPtr->DBaddr.Data[1] R Good Frames (All frames copied into receive buffer) CdbPtr->DBaddr.Data[2] R Undersize Frames (Frames below minimum length for media <64 for ethernet) CdbPtr->DBaddr.Data[4] R Dropped Frames (Frames that were dropped because receive buffers were full) CdbPtr->DBaddr.Data[8] R CRC Error Frames (Frames with alignment or CRC errors) CdbPtr->DBaddr.Data[A] T Total Frames (Including frames with errors and dropped frames) CdbPtr->DBaddr.Data[B] T Good Frames (All frames copied into transmit buffer) CdbPtr->DBaddr.Data[C] T Undersize Frames (Frames below minimum length for media <64 for ethernet) CdbPtr->DBaddr.Data[E] T Dropped Frames (Frames that were dropped because of collisions) CdbPtr->DBaddr.Data[14] T Total Collision Frames (Total collisions on this subnet) Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { if ((CdbPtr->OpFlags &~(PXE_OPFLAGS_STATISTICS_RESET)) != 0) { DEBUGPRINT (CRITICAL, ("ERROR: UndiStatistics, invalid CDB\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } if ((CdbPtr->OpFlags & PXE_OPFLAGS_STATISTICS_RESET) != 0) { // // Reset the statistics // CdbPtr->StatCode = (UINT16) XgbeStatistics (XgbeAdapter, 0, 0); } else { CdbPtr->StatCode = (UINT16) XgbeStatistics (XgbeAdapter, CdbPtr->DBaddr, CdbPtr->DBsize); } return ; } VOID UndiIp2Mac ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to translate a multicast IP address to a multicast MAC address. This results in a MAC address composed of 25 bits of fixed data with the upper 23 bits of the IP address being appended to it. Results passed back in the equivalent of CdbPtr->DBaddr->MAC[0-5]. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { PXE_CPB_MCAST_IP_TO_MAC *CpbPtr; PXE_DB_MCAST_IP_TO_MAC *DbPtr; UINT32 IPAddr; UINT8 *TmpPtr; DEBUGPRINT (DECODE, ("UndiIp2Mac\n")); CpbPtr = (PXE_CPB_MCAST_IP_TO_MAC *) (UINTN) CdbPtr->CPBaddr; DbPtr = (PXE_DB_MCAST_IP_TO_MAC *) (UINTN) CdbPtr->DBaddr; if ((CdbPtr->OpFlags & PXE_OPFLAGS_MCAST_IPV6_TO_MAC) != 0) { UINT8 *IPv6Ptr; IPv6Ptr = (UINT8 *)&CpbPtr->IP.IPv6; DbPtr->MAC[0] = 0x33; DbPtr->MAC[1] = 0x33; DbPtr->MAC[2] = *(IPv6Ptr + 12); DbPtr->MAC[3] = *(IPv6Ptr + 13); DbPtr->MAC[4] = *(IPv6Ptr + 14); DbPtr->MAC[5] = *(IPv6Ptr + 15); return; } // // check if the ip given is a mcast IP // take the last 23 bits in IP. // be very careful. accessing word on a non-word boundary will hang motherboard codenamed Big Sur // casting the mac array (in the middle) to a UINT32 pointer and accessing // the UINT32 content hung the system... // IPAddr = CpbPtr->IP.IPv4; TmpPtr = (UINT8 *) (&IPAddr); DbPtr->MAC[0] = 0x01; DbPtr->MAC[1] = 0x00; DbPtr->MAC[2] = 0x5e; DbPtr->MAC[3] = (UINT8) (TmpPtr[1] & 0x7f); DbPtr->MAC[4] = (UINT8) TmpPtr[2]; DbPtr->MAC[5] = (UINT8) TmpPtr[3]; return ; } VOID UndiNVData ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to read and write non-volatile storage on the NIC (if supported). The NVRAM could be EEPROM, FLASH, or battery backed RAM. This is an optional function according to the UNDI specification (or will be......) Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { DEBUGPRINT (DECODE, ("ERROR: UndiNVData called, but unsupported\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_UNSUPPORTED; return ; } VOID _DisplayBuffersAndDescriptors ( XGBE_DRIVER_DATA *XgbeAdapter ); VOID UndiStatus ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine returns the current interrupt status and/or the transmitted buffer addresses. If the current interrupt status is returned, pending interrupts will be acknowledged by this command. Transmitted buffer addresses that are written to the DB are removed from the transmit buffer queue. Normally, this command would be polled with interrupts disabled. The transmit buffers are returned in CdbPtr->DBaddr->TxBufer[0 - NumEntries]. The interrupt status is returned in CdbPtr->StatFlags. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the 10-Gigabit UNDI driver is layering on.. Returns: None --*/ { PXE_DB_GET_STATUS *DbPtr; UINT16 i; UINT16 Status; UINT16 NumEntries; struct ixgbe_legacy_rx_desc *RxPtr; ixgbe_link_speed Speed; bool LinkUp; i = 0; #ifndef INTEL_KDNET if (XgbeAdapter->DriverBusy == TRUE) { DEBUGPRINT (CRITICAL, ("ERROR: UndiStatus called when driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif // // If the size of the DB is not large enough to store at least one 64 bit // complete transmit buffer address and size of the next available receive // packet we will return an error. Per E.4.16 of the EFI spec the DB should // have enough space for at least 1 completed transmit buffer. // if (CdbPtr->DBsize < (sizeof (UINT64) * 2)) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; DEBUGPRINT (CRITICAL, ("ERROR: UndiStatus invalid CDB\n")); if ((CdbPtr->OpFlags & PXE_OPFLAGS_GET_TRANSMITTED_BUFFERS) != 0) { CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_NO_TXBUFS_WRITTEN; } return ; } DbPtr = (PXE_DB_GET_STATUS *) (UINTN) CdbPtr->DBaddr; // // Fill in size of next available receive packet and // reserved field in caller's DB storage. // RxPtr = &XgbeAdapter->rx_ring[XgbeAdapter->cur_rx_ind]; // // _DisplayBuffersAndDescriptors (XgbeAdapter); // if ((RxPtr->status & (IXGBE_RXD_STAT_EOP | IXGBE_RXD_STAT_DD)) != 0) { DEBUGPRINT (DECODE, ("Get Status->We have a Rx Frame at %x\n", XgbeAdapter->cur_rx_ind)); DEBUGPRINT (DECODE, ("Frame length = %X ", RxPtr->length)); DEBUGPRINT (DECODE, ("status = %X\n", RxPtr->status)); DbPtr->RxFrameLen = RxPtr->length; } else { DbPtr->RxFrameLen = 0; } // // Fill in the completed transmit buffer addresses so they can be freed by // the calling application or driver // if ((CdbPtr->OpFlags & PXE_OPFLAGS_GET_TRANSMITTED_BUFFERS) != 0) { // // Calculate the number of entries available in the DB to save the addresses // of completed transmit buffers. // NumEntries = (UINT16) ((CdbPtr->DBsize - sizeof (UINT64)) / sizeof (UINT64)); DEBUGPRINT (DECODE, ("CdbPtr->DBsize = %d\n", CdbPtr->DBsize)); DEBUGPRINT (DECODE, ("NumEntries in DbPtr = %d\n", NumEntries)); NumEntries = XgbeFreeTxBuffers (XgbeAdapter, NumEntries, DbPtr->TxBuffer); if (NumEntries == 0) { CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_NO_TXBUFS_WRITTEN; } // // The receive buffer size and reserved fields take up the first 64 bits of the DB // The completed transmit buffers take up the rest // CdbPtr->DBsize = (UINT16) (sizeof (UINT64) + NumEntries * sizeof (UINT64)); DEBUGPRINT (DECODE, ("Return DBsize = %d\n", CdbPtr->DBsize)); } if ((CdbPtr->OpFlags & PXE_OPFLAGS_GET_INTERRUPT_STATUS) != 0) { Status = (UINT16) IXGBE_READ_REG (&XgbeAdapter->hw, IXGBE_EICR); XgbeAdapter->IntStatus |= Status; // // acknowledge the interrupts // IXGBE_WRITE_REG (&XgbeAdapter->hw, IXGBE_EIMC, IXGBE_IRQ_CLEAR_MASK); // // report all the outstanding interrupts // if (XgbeAdapter->IntStatus & IXGBE_EICR_RTX_QUEUE) { CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_RECEIVE; } if (XgbeAdapter->IntMask & IXGBE_EICR_RTX_QUEUE) { CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_TRANSMIT; } if (XgbeAdapter->IntMask & (IXGBE_EICR_MNG | IXGBE_EICR_PBUR | IXGBE_EICR_DHER | IXGBE_EICR_TCP_TIMER | IXGBE_EICR_OTHER | IXGBE_EICR_LSC) ) { CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_SOFTWARE; } } // // Return current media status // if ((CdbPtr->OpFlags & PXE_OPFLAGS_GET_MEDIA_STATUS) != 0) { ixgbe_check_link(&XgbeAdapter->hw, &Speed, &LinkUp, FALSE); if (!LinkUp){ DEBUGPRINT (XGBE, ("PXE_STATFLAGS_GET_STATUS_NO_MEDIA\n")); CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_NO_MEDIA; } } CdbPtr->StatFlags |= PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID UndiFillHeader ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to fill media header(s) in transmit packet(s). Copies the MAC address into the media header whether it is dealing with fragmented or non-fragmented packets. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on. Returns: None --*/ { PXE_CPB_FILL_HEADER *Cpb; PXE_CPB_FILL_HEADER_FRAGMENTED *Cpbf; ETHER_HEADER *MacHeader; UINTN i; DEBUGPRINT (DECODE, ("UndiFillHeader\n")); if (CdbPtr->CPBsize == PXE_CPBSIZE_NOT_USED) { DEBUGPRINT (CRITICAL, ("ERROR: UndiFillHeader invalid CDB\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } if ((CdbPtr->OpFlags & PXE_OPFLAGS_FILL_HEADER_FRAGMENTED) != 0) { Cpbf = (PXE_CPB_FILL_HEADER_FRAGMENTED *) (UINTN) CdbPtr->CPBaddr; // // assume 1st fragment is big enough for the mac header // if ((Cpbf->FragCnt == 0) || (Cpbf->FragDesc[0].FragLen < PXE_MAC_HEADER_LEN_ETHER)) { DEBUGPRINT (CRITICAL, ("ERROR: UndiFillHeader, fragment too small for MAC header\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } MacHeader = (ETHER_HEADER *) (UINTN) Cpbf->FragDesc[0].FragAddr; // // we don't swap the protocol bytes // MacHeader->type = Cpbf->Protocol; DEBUGPRINT (DECODE, ("MacHeader->src_addr = ")); for (i = 0; i < PXE_HWADDR_LEN_ETHER; i++) { MacHeader->dest_addr[i] = Cpbf->DestAddr[i]; MacHeader->src_addr[i] = Cpbf->SrcAddr[i]; DEBUGPRINT (DECODE, ("%x ", MacHeader->src_addr[i])); } DEBUGPRINT (DECODE, ("\n")); } else { Cpb = (PXE_CPB_FILL_HEADER *) (UINTN) CdbPtr->CPBaddr; MacHeader = (ETHER_HEADER *) (UINTN) Cpb->MediaHeader; // // we don't swap the protocol bytes // MacHeader->type = Cpb->Protocol; DEBUGPRINT (DECODE, ("MacHeader->src_addr = ")); for (i = 0; i < PXE_HWADDR_LEN_ETHER; i++) { MacHeader->dest_addr[i] = Cpb->DestAddr[i]; MacHeader->src_addr[i] = Cpb->SrcAddr[i]; DEBUGPRINT (DECODE, ("%x ", MacHeader->src_addr[i])); } DEBUGPRINT (DECODE, ("\n")); } DEBUGWAIT (DECODE); return ; } VOID UndiTransmit ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: This routine is used to place a packet into the transmit queue. The data buffers given to this command are to be considered locked and the application or network driver loses ownership of these buffers and must not free or relocate them until the ownership returns. When the packets are transmitted, a transmit complete interrupt is generated (if interrupts are disabled, the transmit interrupt status is still set and can be checked using the UNDI_Status command. Some implementations and adapters support transmitting multiple packets with one transmit command. If this feature is supported, the transmit CPBs can be linked in one transmit command. All UNDIs support fragmented frames, now all network devices or protocols do. If a fragmented frame CPB is given to UNDI and the network device does not support fragmented frames (see !PXE.Implementation flag), the UNDI will have to copy the fragments into a local buffer before transmitting. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { if (CdbPtr->CPBsize == PXE_CPBSIZE_NOT_USED) { DEBUGPRINT (CRITICAL, ("ERROR: UndiTransmit invalid CDB\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } #ifndef INTEL_KDNET if (XgbeAdapter->DriverBusy == TRUE) { DEBUGPRINT (CRITICAL, ("ERROR: UndiTransmit called when driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif CdbPtr->StatCode = (PXE_STATCODE) XgbeTransmit (XgbeAdapter, CdbPtr->CPBaddr, CdbPtr->OpFlags); CdbPtr->StatCode == PXE_STATCODE_SUCCESS ? (CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE) : (CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED); return ; } VOID UndiReceive ( IN PXE_CDB *CdbPtr, IN XGBE_DRIVER_DATA *XgbeAdapter ) /*++ Routine Description: When the network adapter has received a frame, this command is used to copy the frame into the driver/application storage location. Once a frame has been copied, it is removed from the receive queue. Arguments: CdbPtr - Pointer to the command descriptor block. XgbeAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { // // check if RU has started... // if (XgbeAdapter->ReceiveStarted == FALSE) { DEBUGPRINT (CRITICAL, ("ERROR: UndiReceive called, but receive not started\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_NOT_INITIALIZED; return ; } #ifndef INTEL_KDNET if (XgbeAdapter->DriverBusy == TRUE) { DEBUGPRINT (DECODE, ("ERROR: UndiReceive called while driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif CdbPtr->StatCode = (UINT16) XgbeReceive ( XgbeAdapter, (PXE_CPB_RECEIVE *) (UINTN) CdbPtr->CPBaddr, (PXE_DB_RECEIVE *) (UINTN) CdbPtr->DBaddr ); CdbPtr->StatCode == PXE_STATCODE_SUCCESS ? (CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE) : (CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED); return ; } #ifndef INTEL_KDNET VOID UndiApiEntry ( IN UINT64 cdb ) #else VOID XgbeUndiApiEntry ( IN UINT64 cdb ) #endif /*++ Routine Description: This is the main SW UNDI API entry using the newer nii protocol. The parameter passed in is a 64 bit flat model virtual address of the cdb. We then jump into the service routine pointed to by the Api_Table[OpCode]. Arguments: cdb - Pointer to the command descriptor block. Returns: None --*/ { PXE_CDB *CdbPtr; XGBE_DRIVER_DATA *XgbeAdapter; UNDI_CALL_TABLE *tab_ptr; if (cdb == (UINT64) 0) { DEBUGPRINT (CRITICAL, ("ERROR: ApiEntry invalid CDB\n")); return ; } CdbPtr = (PXE_CDB *) (UINTN) cdb; if (CdbPtr->IFnum > ixgbe_pxe_31->IFcnt) { DEBUGPRINT (CRITICAL, ("Invalid IFnum %d\n", CdbPtr->IFnum)); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } XgbeAdapter = &(XgbeDeviceList[CdbPtr->IFnum]->NicInfo); XgbeAdapter->VersionFlag = 0x31; // entering from new entry point // // check the OPCODE range // if ((CdbPtr->OpCode > PXE_OPCODE_LAST_VALID) || (CdbPtr->StatCode != PXE_STATCODE_INITIALIZE) || (CdbPtr->StatFlags != PXE_STATFLAGS_INITIALIZE) ) { DEBUGPRINT (DECODE, ("Invalid StatCode, OpCode, or StatFlags.\n", CdbPtr->IFnum)); goto badcdb; } if (CdbPtr->CPBsize == PXE_CPBSIZE_NOT_USED) { if (CdbPtr->CPBaddr != PXE_CPBADDR_NOT_USED) { goto badcdb; } } else if (CdbPtr->CPBaddr == PXE_CPBADDR_NOT_USED) { goto badcdb; } if (CdbPtr->DBsize == PXE_DBSIZE_NOT_USED) { if (CdbPtr->DBaddr != PXE_DBADDR_NOT_USED) { goto badcdb; } } else if (CdbPtr->DBaddr == PXE_DBADDR_NOT_USED) { goto badcdb; } // // check if cpbsize and dbsize are as needed // check if opflags are as expected // tab_ptr = &ixgbe_api_table[CdbPtr->OpCode]; if (tab_ptr->cpbsize != (UINT16) (DONT_CHECK) && tab_ptr->cpbsize != CdbPtr->CPBsize) { goto badcdb; } if (tab_ptr->dbsize != (UINT16) (DONT_CHECK) && tab_ptr->dbsize != CdbPtr->DBsize) { goto badcdb; } if (tab_ptr->opflags != (UINT16) (DONT_CHECK) && tab_ptr->opflags != CdbPtr->OpFlags) { goto badcdb; } XgbeAdapter = &(XgbeDeviceList[CdbPtr->IFnum]->NicInfo); // // check if UNDI_State is valid for this call // if (tab_ptr->state != (UINT16) (-1)) { // // should atleast be started // if (XgbeAdapter->State == PXE_STATFLAGS_GET_STATE_STOPPED) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_NOT_STARTED; return ; } // // check if it should be initialized // if (tab_ptr->state == 2) { if (XgbeAdapter->State != PXE_STATFLAGS_GET_STATE_INITIALIZED) { CdbPtr->StatCode = PXE_STATCODE_NOT_INITIALIZED; CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; return ; } } } // // set the return variable for success case here // CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; tab_ptr->api_ptr (CdbPtr, XgbeAdapter); return ; badcdb: DEBUGPRINT (CRITICAL, ("ERROR: Invalid CDB\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; }