/************************************************************************** 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 "e1000.h" #ifndef INTEL_KDNET #include #else #include "EfiPxe.h" #include "DeviceSupport.h" #endif // // Global variables defined outside this file // extern PXE_SW_UNDI *e1000_pxe_31; extern UNDI_PRIVATE_DATA *e1000_UNDI32DeviceList[MAX_NIC_INTERFACES]; extern UINT8 ActiveInterfaces; // // Global variables defined in this file // UNDI_CALL_TABLE e1000_api_table[PXE_OPCODE_LAST_VALID + 1] = { { PXE_CPBSIZE_NOT_USED, PXE_DBSIZE_NOT_USED, 0, (UINT16) (ANY_STATE), e1000_UNDI_GetState }, { (UINT16) (DONT_CHECK), PXE_DBSIZE_NOT_USED, 0, (UINT16) (ANY_STATE), e1000_UNDI_Start }, { PXE_CPBSIZE_NOT_USED, PXE_DBSIZE_NOT_USED, 0, MUST_BE_STARTED, e1000_UNDI_Stop }, { PXE_CPBSIZE_NOT_USED, sizeof (PXE_DB_GET_INIT_INFO), 0, MUST_BE_STARTED, e1000_UNDI_GetInitInfo }, { PXE_CPBSIZE_NOT_USED, sizeof (PXE_DB_GET_CONFIG_INFO), 0, MUST_BE_STARTED, e1000_UNDI_GetConfigInfo }, { sizeof (PXE_CPB_INITIALIZE), (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_STARTED, e1000_UNDI_Initialize }, { PXE_CPBSIZE_NOT_USED, PXE_DBSIZE_NOT_USED, (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, e1000_UNDI_Reset }, { PXE_CPBSIZE_NOT_USED, PXE_DBSIZE_NOT_USED, 0, MUST_BE_INITIALIZED, e1000_UNDI_Shutdown }, { PXE_CPBSIZE_NOT_USED, PXE_DBSIZE_NOT_USED, (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, e1000_UNDI_Interrupt }, { (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, e1000_UNDI_RecFilter }, { (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, e1000_UNDI_StnAddr }, { PXE_CPBSIZE_NOT_USED, (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, e1000_UNDI_Statistics }, { sizeof (PXE_CPB_MCAST_IP_TO_MAC), sizeof (PXE_DB_MCAST_IP_TO_MAC), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, e1000_UNDI_ip2mac }, { (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, e1000_UNDI_NVData }, { PXE_CPBSIZE_NOT_USED, (UINT16) (DONT_CHECK), (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, e1000_UNDI_Status }, { (UINT16) (DONT_CHECK), PXE_DBSIZE_NOT_USED, (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, e1000_UNDI_FillHeader }, { (UINT16) (DONT_CHECK), PXE_DBSIZE_NOT_USED, (UINT16) (DONT_CHECK), MUST_BE_INITIALIZED, e1000_UNDI_Transmit }, { sizeof (PXE_CPB_RECEIVE), sizeof (PXE_DB_RECEIVE), 0, MUST_BE_INITIALIZED, e1000_UNDI_Receive } }; // // External Functions // extern UINTN e1000_Reset ( GIG_DRIVER_DATA *GigAdapter, UINT16 Opflags ); extern UINTN e1000_Shutdown ( GIG_DRIVER_DATA *GigAdapter ); extern UINTN e1000_SetFilter ( GIG_DRIVER_DATA *GigAdapter, UINT16 NewFilter, UINT64 cpb, UINT32 cpbsize ); extern int e1000_Statistics ( GIG_DRIVER_DATA *GigAdapter, UINT64 db, UINT16 dbsize ); extern BOOLEAN e1000_WaitForAutoNeg ( IN GIG_DRIVER_DATA *GigAdapter ); extern int e1000_SetInterruptState ( GIG_DRIVER_DATA *GigAdapter ); VOID e1000_UNDI_GetState ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { DEBUGPRINT(DECODE, ("e1000_UNDI_GetState\n")); DEBUGWAIT(DECODE); CdbPtr->StatFlags |= GigAdapter->State; CdbPtr->StatFlags |= PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID e1000_UNDI_Start ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ Routine Description: This routine is used to change the operational state of the 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { PXE_CPB_START_31 *CpbPtr_31; DEBUGPRINT(DECODE, ("e1000_UNDI_Start\n")); DEBUGWAIT(DECODE); // // check if it is already started. // if (GigAdapter->State != PXE_STATFLAGS_GET_STATE_STOPPED) { 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 CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } CpbPtr_31 = (PXE_CPB_START_31 *) (UINTN) (CdbPtr->CPBaddr); GigAdapter->Delay = (bsptr) (UINTN) CpbPtr_31->Delay; GigAdapter->Virt2Phys = (virtphys) (UINTN) CpbPtr_31->Virt2Phys; GigAdapter->Block = (block) (UINTN) CpbPtr_31->Block; GigAdapter->MemIo = (mem_io) (UINTN) CpbPtr_31->Mem_IO; GigAdapter->MapMem = (map_mem) (UINTN) CpbPtr_31->Map_Mem; GigAdapter->UnMapMem = (unmap_mem) (UINTN) CpbPtr_31->UnMap_Mem; GigAdapter->SyncMem = (sync_mem) (UINTN) CpbPtr_31->Sync_Mem; GigAdapter->Unique_ID = CpbPtr_31->Unique_ID; DEBUGPRINT(DECODE, ("CpbPtr_31->Unique_ID = %x\n", CpbPtr_31->Unique_ID)); GigAdapter->State = PXE_STATFLAGS_GET_STATE_STARTED; CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID e1000_UNDI_Stop ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { DEBUGPRINT(DECODE, ("e1000_UNDI_Stop\n")); DEBUGWAIT(DECODE); if (GigAdapter->State == PXE_STATFLAGS_GET_STATE_INITIALIZED) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_NOT_SHUTDOWN; return ; } GigAdapter->Delay = 0; GigAdapter->Virt2Phys = 0; GigAdapter->Block = 0; GigAdapter->MapMem = 0; GigAdapter->UnMapMem = 0; GigAdapter->SyncMem = 0; GigAdapter->State = PXE_STATFLAGS_GET_STATE_STOPPED; CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID e1000_UNDI_GetInitInfo ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { PXE_DB_GET_INIT_INFO *DbPtr; DEBUGPRINT(DECODE, ("e1000_UNDI_GetInitInfo\n")); DEBUGWAIT(DECODE); DbPtr = (PXE_DB_GET_INIT_INFO *) (UINTN) (CdbPtr->DBaddr); DbPtr->MemoryRequired = 0; DbPtr->FrameDataLen = PXE_MAX_TXRX_UNIT_ETHER; // // First check for FIBER, Links are 1000,0,0,0 // if (GigAdapter->hw.phy.media_type == e1000_media_type_copper ) { DbPtr->LinkSpeeds[0] = 10; DbPtr->LinkSpeeds[1] = 100; DbPtr->LinkSpeeds[2] = 1000; DbPtr->LinkSpeeds[3] = 0; } else { DbPtr->LinkSpeeds[0] = 1000; 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 (E1000_TRANSMIT_DESCRIPTOR); DbPtr->RxBufCnt = DEFAULT_RX_DESCRIPTORS; DbPtr->RxBufSize = sizeof (E1000_RECEIVE_DESCRIPTOR) + sizeof (LOCAL_RX_BUFFER); DbPtr->IFtype = PXE_IFTYPE_ETHERNET; #ifndef INTEL_KDNET DbPtr->SupportedDuplexModes = PXE_DUPLEX_ENABLE_FULL_SUPPORTED | PXE_DUPLEX_FORCE_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; #ifndef INTEL_KDNET if (GigAdapter->UNDIEnabled == FALSE) { CdbPtr->StatCode = PXE_STATCODE_BUSY; } #endif return ; } VOID e1000_UNDI_GetConfigInfo ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { PXE_DB_GET_CONFIG_INFO *DbPtr; DEBUGPRINT(DECODE, ("e1000_UNDI_GetConfigInfo\n")); DEBUGWAIT(DECODE); DbPtr = (PXE_DB_GET_CONFIG_INFO *) (UINTN) (CdbPtr->DBaddr); DbPtr->pci.BusType = PXE_BUSTYPE_PCI; DbPtr->pci.Bus = (UINT16) GigAdapter->Bus; DbPtr->pci.Device = (UINT8) GigAdapter->Device; DbPtr->pci.Function = (UINT8) GigAdapter->Function; DEBUGPRINT(DECODE, ( "Bus %x, Device %x, Function %x\n", GigAdapter->Bus, GigAdapter->Device, GigAdapter->Function )); CopyMem (DbPtr->pci.Config.Dword, &GigAdapter->PciConfig, MAX_PCI_CONFIG_LEN * sizeof (UINT32)); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID e1000_UNDI_Initialize ( IN PXE_CDB *CdbPtr, GIG_DRIVER_DATA *GigAdapter ) /*++ Routine Description: This routine resets the network adapter and initializes the 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. AdapterInfo - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { PXE_CPB_INITIALIZE *CpbPtr; PXE_DB_INITIALIZE *DbPtr; #ifdef INTEL_KDNET UINT16 Speed; UINT16 Duplex; #endif DEBUGPRINT(DECODE, ("e1000_UNDI_Initialize\n")); DEBUGWAIT(DECODE); #ifndef INTEL_KDNET if (GigAdapter->DriverBusy == TRUE) { DEBUGPRINT (DECODE, ("ERROR: e1000_UNDI_Initialize called when driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif if ((CdbPtr->OpFlags != PXE_OPFLAGS_INITIALIZE_DETECT_CABLE) && (CdbPtr->OpFlags != PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE) ) { DEBUGPRINT(CRITICAL, ("INVALID CDB\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } // // Check if it is already initialized // if (GigAdapter->State == PXE_STATFLAGS_GET_STATE_INITIALIZED) { DEBUGPRINT(DECODE, ("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; // // Default behaviour is to detect the cable, if the 3rd param is 1, // do not do that // GigAdapter->CableDetect = (UINT8) ((CdbPtr->OpFlags == (UINT16) PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE) ? (UINT8) 0 : (UINT8) 1); DEBUGPRINT(DECODE, ("CdbPtr->OpFlags = %X\n", CdbPtr->OpFlags)); GigAdapter->LinkSpeed = (UINT16) CpbPtr->LinkSpeed; #ifndef INTEL_KDNET GigAdapter->DuplexMode = CpbPtr->DuplexMode; GigAdapter->LoopBack = CpbPtr->LoopBackMode; #else GigAdapter->DuplexMode = CpbPtr->Duplex; GigAdapter->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)); if (GigAdapter->CableDetect != 0) { DEBUGPRINT(DECODE, ("Setting wait_autoneg_complete\n")); GigAdapter->hw.phy.autoneg_wait_to_complete = TRUE; } else { GigAdapter->hw.phy.autoneg_wait_to_complete = FALSE; } CdbPtr->StatCode = (PXE_STATCODE) e1000_Initialize (GigAdapter); // // We allocate our own memory for transmit and receive so set MemoryUsed to 0. // DbPtr->MemoryUsed = 0; DbPtr->TxBufCnt = DEFAULT_TX_DESCRIPTORS; DbPtr->TxBufSize = sizeof (E1000_TRANSMIT_DESCRIPTOR); DbPtr->RxBufCnt = DEFAULT_RX_DESCRIPTORS; DbPtr->RxBufSize = sizeof (E1000_RECEIVE_DESCRIPTOR) + sizeof (LOCAL_RX_BUFFER); if (CdbPtr->StatCode != PXE_STATCODE_SUCCESS) { DEBUGPRINT(CRITICAL, ("e1000_Initialize failed! Statcode = %X\n", CdbPtr->StatCode)); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; } else { GigAdapter->State = PXE_STATFLAGS_GET_STATE_INITIALIZED; } // // If no link is detected we want to set the driver state back to _GET_STATE_STARTED so // that the SNP will not try to restart the driver. // if (e1000_WaitForAutoNeg (GigAdapter) == TRUE) { #ifdef INTEL_KDNET if (e1000_get_speed_and_duplex(&GigAdapter->hw, &Speed, &Duplex) == E1000_SUCCESS) { DbPtr->LinkSpeed = Speed; DbPtr->LinkDuplex = Duplex; } #endif CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; } else { CdbPtr->StatFlags |= PXE_STATFLAGS_INITIALIZED_NO_MEDIA; CdbPtr->StatCode = PXE_STATCODE_NOT_STARTED; GigAdapter->State = PXE_STATFLAGS_GET_STATE_STARTED; } GigAdapter->hw.mac.get_link_status = TRUE; return ; } VOID e1000_UNDI_Reset ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ Routine Description: This routine resets the network adapter and initializes the 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { DEBUGPRINT(DECODE, ("e1000_UNDI_Reset\n")); DEBUGWAIT(DECODE); #ifndef INTEL_KDNET if (GigAdapter->DriverBusy == TRUE) { DEBUGPRINT (DECODE, ("ERROR: e1000_UNDI_Reset 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 ) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } CdbPtr->StatCode = PXE_STATCODE_SUCCESS; //(UINT16) e1000_Reset (GigAdapter, CdbPtr->OpFlags); if (CdbPtr->StatCode != PXE_STATCODE_SUCCESS) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; } else { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; } } VOID e1000_UNDI_Shutdown ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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, GigAdapter->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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { // // do the shutdown stuff here // DEBUGPRINT(DECODE, ("e1000_UNDI_Shutdown\n")); DEBUGWAIT(DECODE); #ifndef INTEL_KDNET if (GigAdapter->DriverBusy == TRUE) { DEBUGPRINT (DECODE, ("ERROR: e1000_UNDI_Shutdown called when driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif CdbPtr->StatCode = (UINT16) e1000_Shutdown (GigAdapter); if (CdbPtr->StatCode != PXE_STATCODE_SUCCESS) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; } else { GigAdapter->State = PXE_STATFLAGS_GET_STATE_STARTED; CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; } return ; } VOID e1000_UNDI_Interrupt ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on. Returns: None --*/ { UINT8 IntMask; DEBUGPRINT(DECODE, ("e1000_UNDI_Interrupt\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: if (IntMask == 0) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } GigAdapter->int_mask = IntMask; e1000_SetInterruptState (GigAdapter); break; case PXE_OPFLAGS_INTERRUPT_DISABLE: if (IntMask != 0) { GigAdapter->int_mask &= ~(IntMask); e1000_SetInterruptState (GigAdapter); break; } // // else fall thru. // default: CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } if ((GigAdapter->int_mask & PXE_OPFLAGS_INTERRUPT_RECEIVE) != 0) { CdbPtr->StatFlags |= PXE_STATFLAGS_INTERRUPT_RECEIVE; } if ((GigAdapter->int_mask & PXE_OPFLAGS_INTERRUPT_TRANSMIT) != 0) { CdbPtr->StatFlags |= PXE_STATFLAGS_INTERRUPT_TRANSMIT; } if ((GigAdapter->int_mask & PXE_OPFLAGS_INTERRUPT_COMMAND) != 0) { CdbPtr->StatFlags |= PXE_STATFLAGS_INTERRUPT_COMMAND; } return ; } VOID e1000_UNDI_RecFilter ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { UINT16 NewFilter; UINT16 OpFlags; PXE_DB_RECEIVE_FILTERS *DbPtr; DEBUGPRINT(DECODE, ("e1000_UNDI_RecFilter\n")); #ifndef INTEL_KDNET if (GigAdapter->DriverBusy == TRUE) { DEBUGPRINT (DECODE, ("ERROR: e1000_UNDI_RecFilter called when driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif OpFlags = CdbPtr->OpFlags; NewFilter = (UINT16) (OpFlags & 0x1F); switch (OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_OPMASK) { case PXE_OPFLAGS_RECEIVE_FILTER_READ: // // not expecting a cpb, not expecting any filter bits // if ((NewFilter != 0) || (CdbPtr->CPBsize != 0)) { goto BadCdb; } if ((NewFilter & PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST) == 0) { goto JustRead; } NewFilter |= GigAdapter->Rx_Filter; // // all other flags are ignored except mcast_reset // break; case PXE_OPFLAGS_RECEIVE_FILTER_ENABLE: // // there should be atleast one other filter bit set. // 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) && (GigAdapter->McastList.Length == 0)) { goto BadCdb; } } // // if you want to enable anything, you got to have unicast // and you have what you already enabled! // NewFilter |= (PXE_OPFLAGS_RECEIVE_FILTER_UNICAST | GigAdapter->Rx_Filter); break; case PXE_OPFLAGS_RECEIVE_FILTER_DISABLE: // // mcast list not expected, i.e. no cpb here! // if (CdbPtr->CPBsize != PXE_CPBSIZE_NOT_USED) { goto BadCdb; // db with all_multi?? } NewFilter = (UINT16) ((~(CdbPtr->OpFlags & 0x1F)) & GigAdapter->Rx_Filter); break; default: goto BadCdb; } if ((OpFlags & PXE_OPFLAGS_RECEIVE_FILTER_RESET_MCAST_LIST) != 0) { GigAdapter->McastList.Length = 0; NewFilter &= (~PXE_OPFLAGS_RECEIVE_FILTER_FILTERED_MULTICAST); } e1000_SetFilter (GigAdapter, NewFilter, CdbPtr->CPBaddr, CdbPtr->CPBsize); JustRead: DEBUGPRINT(DECODE, ("Read current filter\n")); // // give the current mcast list // if ((CdbPtr->DBsize != 0) && (GigAdapter->McastList.Length != 0)) { // // copy the mc list to db // UINT16 i; UINT16 copy_len; UINT8 *ptr1; UINT8 *ptr2; DbPtr = (PXE_DB_RECEIVE_FILTERS *) (UINTN) CdbPtr->DBaddr; ptr1 = (UINT8 *) (&DbPtr->MCastList[0]); copy_len = (UINT16) (GigAdapter->McastList.Length * PXE_MAC_LENGTH); if (copy_len > CdbPtr->DBsize) { copy_len = CdbPtr->DBsize; } ptr2 = (UINT8 *) (&GigAdapter->McastList.McAddr[0]); for (i = 0; i < copy_len; i++) { ptr1[i] = ptr2[i]; } } // // give the stat flags here // if (GigAdapter->ReceiveStarted) { CdbPtr->StatFlags |= (GigAdapter->Rx_Filter | PXE_STATFLAGS_COMMAND_COMPLETE); } return ; BadCdb: DEBUGPRINT(CRITICAL, ("ERROR: Bad CDB!\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } VOID e1000_UNDI_StnAddr ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - 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, ("e1000_UNDI_StnAddr\n")); if (CdbPtr->OpFlags == PXE_OPFLAGS_STATION_ADDRESS_RESET) { // // configure the permanent address. // change the AdapterInfo->CurrentNodeAddress field. // if (CompareMem ( GigAdapter->hw.mac.addr, GigAdapter->hw.mac.perm_addr, PXE_HWADDR_LEN_ETHER ) != 0) { CopyMem ( GigAdapter->hw.mac.addr, GigAdapter->hw.mac.perm_addr, PXE_HWADDR_LEN_ETHER ); e1000_rar_set (&GigAdapter->hw, GigAdapter->hw.mac.addr, 0); } } if (CdbPtr->CPBaddr != (UINT64) 0) { CpbPtr = (PXE_CPB_STATION_ADDRESS *) (UINTN) (CdbPtr->CPBaddr); GigAdapter->MacAddrOverride = TRUE; // // configure the new address // CopyMem ( GigAdapter->hw.mac.addr, CpbPtr->StationAddr, PXE_HWADDR_LEN_ETHER ); DEBUGPRINT(DECODE, ("Reassigned address:\n")); for (i = 0; i < 6; i++) { DEBUGPRINT(DECODE, ("%2x ", CpbPtr->StationAddr[i])); } e1000_rar_set (&GigAdapter->hw, GigAdapter->hw.mac.addr, 0); } 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, GigAdapter->hw.mac.addr, PXE_HWADDR_LEN_ETHER); CopyMem (DbPtr->PermanentAddr, GigAdapter->hw.mac.perm_addr, PXE_HWADDR_LEN_ETHER); CopyMem (DbPtr->BroadcastAddr, GigAdapter->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 e1000_UNDI_Statistics ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. AdapterInfo - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ // GC_TODO: GigAdapter - add argument and description to function comment { DEBUGPRINT(DECODE, ("e1000_UNDI_Statistics\n")); if ((CdbPtr->OpFlags &~(PXE_OPFLAGS_STATISTICS_RESET)) != 0) { 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) e1000_Statistics (GigAdapter, 0, 0); } else { CdbPtr->StatCode = (UINT16) e1000_Statistics (GigAdapter, CdbPtr->DBaddr, CdbPtr->DBsize); } return ; } VOID e1000_UNDI_ip2mac ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - 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; CpbPtr = (PXE_CPB_MCAST_IP_TO_MAC *) (UINTN) CdbPtr->CPBaddr; DbPtr = (PXE_DB_MCAST_IP_TO_MAC *) (UINTN) CdbPtr->DBaddr; DEBUGPRINT(DECODE, ("e1000_UNDI_ip2mac\n")); if ((CdbPtr->OpFlags & PXE_OPFLAGS_MCAST_IPV6_TO_MAC) != 0) { #ifndef INTEL_KDNET_1G_SERVER_MERGE_MARKER #ifdef INTEL_KDNET if (IsServer1GDevice(GigAdapter)) #endif { 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; } #endif #ifndef INTEL_KDNET_1G_CLIENT_MERGE_MARKER #ifdef INTEL_KDNET if (IsClient1GDevice(GigAdapter)) #endif { // // for now this is not supported // CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_UNSUPPORTED; return ; } #endif } // // Take the last 23 bits of IP to generate a multicase IP address. // 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 e1000_UNDI_NVData ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { PXE_DB_NVDATA *DbPtr; PXE_CPB_NVDATA_BULK *PxeCpbNvdata; UINT32 Result; DEBUGPRINT(DECODE, ("e1000_UNDI_NVData\n")); if ((GigAdapter->State != PXE_STATFLAGS_GET_STATE_STARTED) && (GigAdapter->State != PXE_STATFLAGS_GET_STATE_INITIALIZED) ) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_NOT_STARTED; return ; } if ((CdbPtr->OpFlags == PXE_OPFLAGS_NVDATA_READ) != 0) { DbPtr = (PXE_DB_NVDATA *) (UINTN) CdbPtr->DBaddr; Result = e1000_read_nvm (&GigAdapter->hw, 0, 256, &DbPtr->Data.Word[0]); } else { // // Begin the write at word 40h so we do not overwrite any vital data // All data from address 00h to address CFh will be ignored // PxeCpbNvdata = (PXE_CPB_NVDATA_BULK *) (UINTN) CdbPtr->CPBaddr; Result = e1000_write_nvm (&GigAdapter->hw, 0x40, 0xBF, &PxeCpbNvdata->Word[0x40]); } if (Result == E1000_SUCCESS) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; } else { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; } return ; } VOID e1000_UNDI_Status ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - Pointer to the NIC data structure information which the Gigabit UNDI driver is layering on.. Returns: None --*/ { PXE_DB_GET_STATUS *DbPtr; UINT16 Status; UINT16 NumEntries; E1000_RECEIVE_DESCRIPTOR *RxPtr; #if (DBG_LVL&CRITICAL) UINT32 Rdh; UINT32 Rdt; #endif DEBUGPRINT(DECODE, ("e1000_UNDI_Status\n")); #ifndef INTEL_KDNET if (GigAdapter->DriverBusy == TRUE) { DEBUGPRINT (DECODE, ("ERROR: e1000_UNDI_Status 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, ("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 = &GigAdapter->rx_ring[GigAdapter->cur_rx_ind]; #if (DBG_LVL&CRITICAL) if (RxPtr->buffer_addr != GigAdapter->DebugRxBuffer[GigAdapter->cur_rx_ind]) { DEBUGPRINT(CRITICAL, ("GetStatus ERROR: Rx buff mismatch on desc %d: expected %X, actual %X\n", GigAdapter->cur_rx_ind, GigAdapter->DebugRxBuffer[GigAdapter->cur_rx_ind], RxPtr->buffer_addr )); } Rdt = E1000_READ_REG (&GigAdapter->hw, E1000_RDT(0)); Rdh = E1000_READ_REG (&GigAdapter->hw, E1000_RDH(0)); if (Rdt == Rdh) { DEBUGPRINT(CRITICAL, ("GetStatus ERROR: RX Buffers Full!\n")); } #endif if ((RxPtr->status & (E1000_RXD_STAT_EOP | E1000_RXD_STAT_DD)) != 0) { DEBUGPRINT(DECODE, ("Get Status->We have a Rx Frame at %x\n", GigAdapter->cur_rx_ind)); DEBUGPRINT(DECODE, ("Frame length = %X\n", RxPtr->length)); DbPtr->RxFrameLen = RxPtr->length; DbPtr->reserved = 0; } else { DbPtr->RxFrameLen = 0; DbPtr->reserved = 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)); // // On return NumEntries will be the number of TX buffers written into the DB // NumEntries = e1000_FreeTxBuffers(GigAdapter, 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) E1000_READ_REG (&GigAdapter->hw, E1000_ICR); GigAdapter->Int_Status |= Status; // // Acknowledge the interrupts. // E1000_WRITE_REG (&GigAdapter->hw, E1000_IMC, 0xFFFFFFFF); // // Report all the outstanding interrupts. // if (GigAdapter->Int_Status & (E1000_ICR_RXT0 | E1000_ICR_RXSEQ | E1000_ICR_RXDMT0 | E1000_ICR_RXO | E1000_ICR_RXCFG) ) { CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_RECEIVE; } if (GigAdapter->int_mask & (E1000_ICR_TXDW | E1000_ICR_TXQE)) { CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_TRANSMIT; } if (GigAdapter->int_mask & (E1000_ICR_GPI_EN0 | E1000_ICR_GPI_EN1 | E1000_ICR_GPI_EN2 | E1000_ICR_GPI_EN3 | E1000_ICR_LSC) ) { CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_SOFTWARE; } } #ifndef INTEL_KDNET_1G_CLIENT_MERGE_MARKER if (IsClient1GDevice(GigAdapter)) { if (!IsLinkUp(GigAdapter)) { GigAdapter->hw.mac.get_link_status = TRUE; } if (TRUE == GigAdapter->hw.mac.get_link_status) { e1000_check_for_link(&GigAdapter->hw); } } #endif //INTEL_KDNET_1G_CLIENT_MERGE_MARKER // // Return current media status // if ((CdbPtr->OpFlags & PXE_OPFLAGS_GET_MEDIA_STATUS) != 0) { if (!IsLinkUp(GigAdapter)) { CdbPtr->StatFlags |= PXE_STATFLAGS_GET_STATUS_NO_MEDIA; } } CdbPtr->StatFlags |= PXE_STATFLAGS_COMMAND_COMPLETE; CdbPtr->StatCode = PXE_STATCODE_SUCCESS; return ; } VOID e1000_UNDI_FillHeader ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. AdapterInfo - 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, ("e1000_UNDI_FillHeader\n")); if (CdbPtr->CPBsize == PXE_CPBSIZE_NOT_USED) { 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)) { // // No buffers given. // 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 e1000_UNDI_Transmit ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { #ifndef INTEL_KDNET if (GigAdapter->DriverBusy == TRUE) { DEBUGPRINT (DECODE, ("ERROR: e1000_UNDI_Transmit called when driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif if (CdbPtr->CPBsize == PXE_CPBSIZE_NOT_USED) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } CdbPtr->StatCode = (PXE_STATCODE) e1000_Transmit (GigAdapter, CdbPtr->CPBaddr, CdbPtr->OpFlags); CdbPtr->StatCode == PXE_STATCODE_SUCCESS ? (CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE) : (CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED); return ; } VOID e1000_UNDI_Receive ( IN PXE_CDB *CdbPtr, IN GIG_DRIVER_DATA *GigAdapter ) /*++ 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. GigAdapter - Pointer to the NIC data structure information which the UNDI driver is layering on.. Returns: None --*/ { #ifndef INTEL_KDNET if (GigAdapter->DriverBusy == TRUE) { DEBUGPRINT (DECODE, ("ERROR: e1000_UNDI_Receive called while driver busy\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_BUSY; return ; } #endif // // Check if RU has started. // if (GigAdapter->ReceiveStarted == FALSE) { CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_NOT_INITIALIZED; return ; } CdbPtr->StatCode = (UINT16) e1000_Receive (GigAdapter, CdbPtr->CPBaddr, CdbPtr->DBaddr); CdbPtr->StatCode == PXE_STATCODE_SUCCESS ? (CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_COMPLETE) : (CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED); return ; } VOID e1000_UNDI_APIEntry ( IN UINT64 cdb ) /*++ 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 common routine for both old and new nii protocol entries. Arguments: cdb - Pointer to the command descriptor block. Returns: None --*/ { PXE_CDB *CdbPtr; GIG_DRIVER_DATA *GigAdapter; UNDI_CALL_TABLE *tab_ptr; if (cdb == (UINT64) 0) { return ; } CdbPtr = (PXE_CDB *) (UINTN) cdb; if (CdbPtr->IFnum > e1000_pxe_31->IFcnt) { DEBUGPRINT(DECODE, ("Invalid IFnum %d\n", CdbPtr->IFnum)); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } if (ActiveInterfaces == 0) { DEBUGPRINT(DECODE, ("No active interfaces\n")); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } if (e1000_UNDI32DeviceList[CdbPtr->IFnum] == NULL) { DEBUGPRINT(DECODE, ("Device entry invalid for specified IFnum %d\n", CdbPtr->IFnum)); CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; } GigAdapter = &(e1000_UNDI32DeviceList[CdbPtr->IFnum]->NicInfo); GigAdapter->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 = &e1000_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; } GigAdapter = &(e1000_UNDI32DeviceList[CdbPtr->IFnum]->NicInfo); // // Check if UNDI_State is valid for this call. // if (tab_ptr->state != (UINT16) (-1)) { // // Should atleast be started. // if (GigAdapter->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 (GigAdapter->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, GigAdapter); return ; badcdb: CdbPtr->StatFlags = PXE_STATFLAGS_COMMAND_FAILED; CdbPtr->StatCode = PXE_STATCODE_INVALID_CDB; return ; }