| /** @file | |
| Copyright (c) 2004 - 2005, Intel Corporation | |
| All rights reserved. This program and the accompanying materials | |
| are licensed and made available under the terms and conditions of the BSD License | |
| which accompanies this distribution. The full text of the license may be found at | |
| http://opensource.org/licenses/bsd-license.php | |
| THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, | |
| WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. | |
| Module name: | |
| snp.c | |
| Abstract: | |
| **/ | |
| #include "Snp.h" | |
| EFI_STATUS | |
| pxe_start ( | |
| SNP_DRIVER *snp | |
| ); | |
| EFI_STATUS | |
| pxe_stop ( | |
| SNP_DRIVER *snp | |
| ); | |
| EFI_STATUS | |
| pxe_init ( | |
| SNP_DRIVER *snp, | |
| UINT16 OpFlags | |
| ); | |
| EFI_STATUS | |
| pxe_shutdown ( | |
| SNP_DRIVER *snp | |
| ); | |
| EFI_STATUS | |
| pxe_get_stn_addr ( | |
| SNP_DRIVER *snp | |
| ); | |
| EFI_STATUS | |
| EFIAPI | |
| InitializeSnpNiiDriver ( | |
| IN EFI_HANDLE image_handle, | |
| IN EFI_SYSTEM_TABLE *system_table | |
| ); | |
| EFI_STATUS | |
| EFIAPI | |
| SimpleNetworkDriverSupported ( | |
| IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
| IN EFI_HANDLE Controller, | |
| IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath | |
| ); | |
| EFI_STATUS | |
| EFIAPI | |
| SimpleNetworkDriverStart ( | |
| IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
| IN EFI_HANDLE Controller, | |
| IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath | |
| ); | |
| EFI_STATUS | |
| EFIAPI | |
| SimpleNetworkDriverStop ( | |
| IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
| IN EFI_HANDLE Controller, | |
| IN UINTN NumberOfChildren, | |
| IN EFI_HANDLE *ChildHandleBuffer | |
| ); | |
| // | |
| // Simple Network Protocol Driver Global Variables | |
| // | |
| EFI_DRIVER_BINDING_PROTOCOL mSimpleNetworkDriverBinding = { | |
| SimpleNetworkDriverSupported, | |
| SimpleNetworkDriverStart, | |
| SimpleNetworkDriverStop, | |
| 0xa, | |
| NULL, | |
| NULL | |
| }; | |
| // | |
| // Module global variables needed to support undi 3.0 interface | |
| // | |
| EFI_PCI_IO_PROTOCOL *mPciIoFncs; | |
| struct s_v2p *_v2p = NULL; // undi3.0 map_list head | |
| // End Global variables | |
| // | |
| /** | |
| This routine maps the given CPU address to a Device address. It creates a | |
| an entry in the map list with the virtual and physical addresses and the | |
| un map cookie. | |
| @param v2p pointer to return a map list node pointer. | |
| @param type the direction in which the data flows from the given | |
| virtual address device->cpu or cpu->device or both | |
| ways. | |
| @param vaddr virtual address (or CPU address) to be mapped | |
| @param bsize size of the buffer to be mapped. | |
| @retval EFI_SUCEESS routine has completed the mapping | |
| @retval other error as indicated. | |
| **/ | |
| EFI_STATUS | |
| add_v2p ( | |
| IN OUT struct s_v2p **v2p, | |
| EFI_PCI_IO_PROTOCOL_OPERATION type, | |
| VOID *vaddr, | |
| UINTN bsize | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| if ((v2p == NULL) || (vaddr == NULL) || (bsize == 0)) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| *v2p = AllocatePool (sizeof (struct s_v2p)); | |
| if (*v2p != NULL) { | |
| return EFI_OUT_OF_RESOURCES; | |
| } | |
| Status = mPciIoFncs->Map ( | |
| mPciIoFncs, | |
| type, | |
| vaddr, | |
| &bsize, | |
| &(*v2p)->paddr, | |
| &(*v2p)->unmap | |
| ); | |
| if (Status != EFI_SUCCESS) { | |
| FreePool (*v2p); | |
| return Status; | |
| } | |
| (*v2p)->vaddr = vaddr; | |
| (*v2p)->bsize = bsize; | |
| (*v2p)->next = _v2p; | |
| _v2p = *v2p; | |
| return EFI_SUCCESS; | |
| } | |
| /** | |
| This routine searches the linked list of mapped address nodes (for undi3.0 | |
| interface) to find the node that corresponds to the given virtual address and | |
| returns a pointer to that node. | |
| @param v2p pointer to return a map list node pointer. | |
| @param vaddr virtual address (or CPU address) to be searched in | |
| the map list | |
| @retval EFI_SUCEESS if a match found! | |
| @retval Other match not found | |
| **/ | |
| EFI_STATUS | |
| find_v2p ( | |
| struct s_v2p **v2p, | |
| VOID *vaddr | |
| ) | |
| { | |
| struct s_v2p *v; | |
| if (v2p == NULL || vaddr == NULL) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| for (v = _v2p; v != NULL; v = v->next) { | |
| if (v->vaddr == vaddr) { | |
| *v2p = v; | |
| return EFI_SUCCESS; | |
| } | |
| } | |
| return EFI_NOT_FOUND; | |
| } | |
| /** | |
| This routine unmaps the given virtual address and frees the memory allocated | |
| for the map list node corresponding to that address. | |
| @param vaddr virtual address (or CPU address) to be unmapped | |
| @retval EFI_SUCEESS if successfully unmapped | |
| @retval Other as indicated by the error | |
| **/ | |
| EFI_STATUS | |
| del_v2p ( | |
| VOID *vaddr | |
| ) | |
| { | |
| struct s_v2p *v; | |
| struct s_v2p *t; | |
| EFI_STATUS Status; | |
| if (vaddr == NULL) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| if (_v2p == NULL) { | |
| return EFI_NOT_FOUND; | |
| } | |
| // | |
| // Is our node at the head of the list?? | |
| // | |
| if ((v = _v2p)->vaddr == vaddr) { | |
| _v2p = _v2p->next; | |
| Status = mPciIoFncs->Unmap (mPciIoFncs, v->unmap); | |
| FreePool (v); | |
| if (Status) { | |
| DEBUG ((EFI_D_ERROR, "Unmap failed with status = %x\n", Status)); | |
| } | |
| return Status; | |
| } | |
| for (; v->next != NULL; v = t) { | |
| if ((t = v->next)->vaddr == vaddr) { | |
| v->next = t->next; | |
| Status = mPciIoFncs->Unmap (mPciIoFncs, t->unmap); | |
| FreePool (t); | |
| if (Status) { | |
| DEBUG ((EFI_D_ERROR, "Unmap failed with status = %x\n", Status)); | |
| } | |
| return Status; | |
| } | |
| } | |
| return EFI_NOT_FOUND; | |
| } | |
| STATIC | |
| EFI_STATUS | |
| issue_hwundi_command ( | |
| UINT64 cdb | |
| ) | |
| /*++ | |
| Routine Description: | |
| Arguments: | |
| Returns: | |
| --*/ | |
| { | |
| DEBUG ((EFI_D_ERROR, "\nissue_hwundi_command() - This should not be called!")); | |
| if (cdb == 0) { | |
| return EFI_INVALID_PARAMETER; | |
| } | |
| // | |
| // %%TBD - For now, nothing is done. | |
| // | |
| return EFI_UNSUPPORTED; | |
| } | |
| /** | |
| Compute 8-bit checksum of a buffer. | |
| @param ptr Pointer to buffer. | |
| @param len Length of buffer in bytes. | |
| @return 8-bit checksum of all bytes in buffer. | |
| @return If ptr is NULL or len is zero, zero is returned. | |
| **/ | |
| STATIC | |
| UINT8 | |
| calc_8bit_cksum ( | |
| VOID *ptr, | |
| UINTN len | |
| ) | |
| { | |
| UINT8 *bptr; | |
| UINT8 cksum; | |
| bptr = ptr; | |
| cksum = 0; | |
| if (ptr == NULL || len == 0) { | |
| return 0; | |
| } | |
| while (len--) { | |
| cksum = (UINT8) (cksum +*bptr++); | |
| } | |
| return cksum; | |
| } | |
| /** | |
| Test to see if this driver supports Controller. Any Controller | |
| that contains a Nii protocol can be supported. | |
| @param This Protocol instance pointer. | |
| @param Controller Handle of device to test. | |
| @param RemainingDevicePath Not used. | |
| @retval EFI_SUCCESS This driver supports this device. | |
| @retval EFI_ALREADY_STARTED This driver is already running on this device. | |
| @retval other This driver does not support this device. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| SimpleNetworkDriverSupported ( | |
| IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
| IN EFI_HANDLE Controller, | |
| IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NiiProtocol; | |
| PXE_UNDI *pxe; | |
| BOOLEAN IsUndi31; | |
| IsUndi31 = FALSE; | |
| Status = gBS->OpenProtocol ( | |
| Controller, | |
| &gEfiDevicePathProtocolGuid, | |
| NULL, | |
| This->DriverBindingHandle, | |
| Controller, | |
| EFI_OPEN_PROTOCOL_TEST_PROTOCOL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| Status = gBS->OpenProtocol ( | |
| Controller, | |
| &gEfiNetworkInterfaceIdentifierProtocolGuid_31, | |
| (VOID **) &NiiProtocol, | |
| This->DriverBindingHandle, | |
| Controller, | |
| EFI_OPEN_PROTOCOL_BY_DRIVER | |
| ); | |
| if (Status == EFI_ALREADY_STARTED) | |
| { | |
| DEBUG ((EFI_D_INFO, "Support(): Already Started. on handle %x\n", Controller)); | |
| return EFI_ALREADY_STARTED; | |
| } | |
| if (!EFI_ERROR (Status)) | |
| { | |
| DEBUG ((EFI_D_INFO, "Support(): UNDI3.1 found on handle %x\n", Controller)); | |
| IsUndi31 = TRUE; | |
| } else { | |
| // | |
| // try the older 3.0 driver | |
| // | |
| Status = gBS->OpenProtocol ( | |
| Controller, | |
| &gEfiNetworkInterfaceIdentifierProtocolGuid, | |
| (VOID **) &NiiProtocol, | |
| This->DriverBindingHandle, | |
| Controller, | |
| EFI_OPEN_PROTOCOL_BY_DRIVER | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| DEBUG ((EFI_D_INFO, "Support(): UNDI3.0 found on handle %x\n", Controller)); | |
| } | |
| // | |
| // check the version, we don't want to connect to the undi16 | |
| // | |
| if (NiiProtocol->Type != EfiNetworkInterfaceUndi) { | |
| Status = EFI_UNSUPPORTED; | |
| goto Done; | |
| } | |
| // | |
| // Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required. | |
| // | |
| if (NiiProtocol->ID & 0x0F) { | |
| DEBUG ((EFI_D_NET, "\n!PXE structure is not paragraph aligned.\n")); | |
| Status = EFI_UNSUPPORTED; | |
| goto Done; | |
| } | |
| pxe = (PXE_UNDI *) (UINTN) (NiiProtocol->ID); | |
| // | |
| // Verify !PXE revisions. | |
| // | |
| if (pxe->hw.Signature != PXE_ROMID_SIGNATURE) { | |
| DEBUG ((EFI_D_NET, "\n!PXE signature is not valid.\n")); | |
| Status = EFI_UNSUPPORTED; | |
| goto Done; | |
| } | |
| if (pxe->hw.Rev < PXE_ROMID_REV) { | |
| DEBUG ((EFI_D_NET, "\n!PXE.Rev is not supported.\n")); | |
| Status = EFI_UNSUPPORTED; | |
| goto Done; | |
| } | |
| if (pxe->hw.MajorVer < PXE_ROMID_MAJORVER) { | |
| DEBUG ((EFI_D_NET, "\n!PXE.MajorVer is not supported.\n")); | |
| Status = EFI_UNSUPPORTED; | |
| goto Done; | |
| } else if (pxe->hw.MajorVer == PXE_ROMID_MAJORVER && pxe->hw.MinorVer < PXE_ROMID_MINORVER) { | |
| DEBUG ((EFI_D_NET, "\n!PXE.MinorVer is not supported.")); | |
| Status = EFI_UNSUPPORTED; | |
| goto Done; | |
| } | |
| // | |
| // Do S/W UNDI specific checks. | |
| // | |
| if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) == 0) { | |
| if (pxe->sw.EntryPoint < pxe->sw.Len) { | |
| DEBUG ((EFI_D_NET, "\n!PXE S/W entry point is not valid.")); | |
| Status = EFI_UNSUPPORTED; | |
| goto Done; | |
| } | |
| if (pxe->sw.BusCnt == 0) { | |
| DEBUG ((EFI_D_NET, "\n!PXE.BusCnt is zero.")); | |
| Status = EFI_UNSUPPORTED; | |
| goto Done; | |
| } | |
| } | |
| Status = EFI_SUCCESS; | |
| DEBUG ((EFI_D_INFO, "Support(): supported on %x\n", Controller)); | |
| Done: | |
| if (IsUndi31) { | |
| gBS->CloseProtocol ( | |
| Controller, | |
| &gEfiNetworkInterfaceIdentifierProtocolGuid_31, | |
| This->DriverBindingHandle, | |
| Controller | |
| ); | |
| } else { | |
| gBS->CloseProtocol ( | |
| Controller, | |
| &gEfiNetworkInterfaceIdentifierProtocolGuid, | |
| This->DriverBindingHandle, | |
| Controller | |
| ); | |
| } | |
| return Status; | |
| } | |
| /** | |
| called for any handle that we said "supported" in the above call! | |
| @param This Protocol instance pointer. | |
| @param Controller Handle of device to start | |
| @param RemainingDevicePath Not used. | |
| @retval EFI_SUCCESS This driver supports this device. | |
| @retval other This driver failed to start this device. | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| SimpleNetworkDriverStart ( | |
| IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
| IN EFI_HANDLE Controller, | |
| IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath | |
| ) | |
| { | |
| EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii; | |
| EFI_DEVICE_PATH_PROTOCOL *NiiDevicePath; | |
| EFI_STATUS Status; | |
| PXE_UNDI *pxe; | |
| SNP_DRIVER *snp; | |
| VOID *addr; | |
| VOID *addrUnmap; | |
| EFI_PHYSICAL_ADDRESS paddr; | |
| EFI_HANDLE Handle; | |
| UINTN Size; | |
| BOOLEAN UndiNew; | |
| PXE_PCI_CONFIG_INFO ConfigInfo; | |
| PCI_TYPE00 *ConfigHeader; | |
| UINT32 *TempBar; | |
| UINT8 BarIndex; | |
| PXE_STATFLAGS InitStatFlags; | |
| DEBUG ((EFI_D_NET, "\nSnpNotifyNetworkInterfaceIdentifier() ")); | |
| Status = gBS->OpenProtocol ( | |
| Controller, | |
| &gEfiDevicePathProtocolGuid, | |
| (VOID **) &NiiDevicePath, | |
| This->DriverBindingHandle, | |
| Controller, | |
| EFI_OPEN_PROTOCOL_BY_DRIVER | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| Status = gBS->LocateDevicePath ( | |
| &gEfiPciIoProtocolGuid, | |
| &NiiDevicePath, | |
| &Handle | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| Status = gBS->OpenProtocol ( | |
| Handle, | |
| &gEfiPciIoProtocolGuid, | |
| (VOID **) &mPciIoFncs, | |
| This->DriverBindingHandle, | |
| Controller, | |
| EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| // | |
| // Get the NII interface. look for 3.1 undi first, if it is not there | |
| // then look for 3.0, validate the interface. | |
| // | |
| Status = gBS->OpenProtocol ( | |
| Controller, | |
| &gEfiNetworkInterfaceIdentifierProtocolGuid_31, | |
| (VOID **) &Nii, | |
| This->DriverBindingHandle, | |
| Controller, | |
| EFI_OPEN_PROTOCOL_BY_DRIVER | |
| ); | |
| if (Status == EFI_ALREADY_STARTED) { | |
| gBS->CloseProtocol ( | |
| Controller, | |
| &gEfiDevicePathProtocolGuid, | |
| This->DriverBindingHandle, | |
| Controller | |
| ); | |
| return Status; | |
| } | |
| if (!EFI_ERROR (Status)) { | |
| // | |
| // probably not a 3.1 UNDI | |
| // | |
| UndiNew = TRUE; | |
| DEBUG ((EFI_D_INFO, "Start(): UNDI3.1 found\n")); | |
| } else { | |
| UndiNew = FALSE; | |
| Status = gBS->OpenProtocol ( | |
| Controller, | |
| &gEfiNetworkInterfaceIdentifierProtocolGuid, | |
| (VOID **) &Nii, | |
| This->DriverBindingHandle, | |
| Controller, | |
| EFI_OPEN_PROTOCOL_BY_DRIVER | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| gBS->CloseProtocol ( | |
| Controller, | |
| &gEfiDevicePathProtocolGuid, | |
| This->DriverBindingHandle, | |
| Controller | |
| ); | |
| return Status; | |
| } | |
| DEBUG ((EFI_D_INFO, "Start(): UNDI3.0 found\n")); | |
| } | |
| pxe = (PXE_UNDI *) (UINTN) (Nii->ID); | |
| if (calc_8bit_cksum (pxe, pxe->hw.Len) != 0) { | |
| DEBUG ((EFI_D_NET, "\n!PXE checksum is not correct.\n")); | |
| goto NiiError; | |
| } | |
| if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) { | |
| // | |
| // We can get any packets. | |
| // | |
| } else if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) { | |
| // | |
| // We need to be able to get broadcast packets for DHCP. | |
| // If we do not have promiscuous support, we must at least have | |
| // broadcast support or we cannot do DHCP! | |
| // | |
| } else { | |
| DEBUG ((EFI_D_NET, "\nUNDI does not have promiscuous or broadcast support.")); | |
| goto NiiError; | |
| } | |
| // | |
| // OK, we like this UNDI, and we know snp is not already there on this handle | |
| // Allocate and initialize a new simple network protocol structure. | |
| // | |
| Status = mPciIoFncs->AllocateBuffer ( | |
| mPciIoFncs, | |
| AllocateAnyPages, | |
| EfiBootServicesData, | |
| SNP_MEM_PAGES (sizeof (SNP_DRIVER)), | |
| &addr, | |
| 0 | |
| ); | |
| if (Status != EFI_SUCCESS) { | |
| DEBUG ((EFI_D_NET, "\nCould not allocate SNP_DRIVER structure.\n")); | |
| goto NiiError; | |
| } | |
| snp = (SNP_DRIVER *) (UINTN) addr; | |
| if (!UndiNew) { | |
| Size = SNP_MEM_PAGES (sizeof (SNP_DRIVER)); | |
| Status = mPciIoFncs->Map ( | |
| mPciIoFncs, | |
| EfiPciIoOperationBusMasterCommonBuffer, | |
| addr, | |
| &Size, | |
| &paddr, | |
| &addrUnmap | |
| ); | |
| ASSERT (paddr); | |
| DEBUG ((EFI_D_NET, "\nSNP_DRIVER @ %Xh, sizeof(SNP_DRIVER) == %d", addr, sizeof (SNP_DRIVER))); | |
| snp = (SNP_DRIVER *) (UINTN) paddr; | |
| snp->SnpDriverUnmap = addrUnmap; | |
| } | |
| ZeroMem (snp, sizeof (SNP_DRIVER)); | |
| snp->IoFncs = mPciIoFncs; | |
| snp->IsOldUndi = (BOOLEAN) (!UndiNew); | |
| snp->Signature = SNP_DRIVER_SIGNATURE; | |
| EfiInitializeLock (&snp->lock, TPL_NOTIFY); | |
| snp->snp.Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION; | |
| snp->snp.Start = snp_undi32_start; | |
| snp->snp.Stop = snp_undi32_stop; | |
| snp->snp.Initialize = snp_undi32_initialize; | |
| snp->snp.Reset = snp_undi32_reset; | |
| snp->snp.Shutdown = snp_undi32_shutdown; | |
| snp->snp.ReceiveFilters = snp_undi32_receive_filters; | |
| snp->snp.StationAddress = snp_undi32_station_address; | |
| snp->snp.Statistics = snp_undi32_statistics; | |
| snp->snp.MCastIpToMac = snp_undi32_mcast_ip_to_mac; | |
| snp->snp.NvData = snp_undi32_nvdata; | |
| snp->snp.GetStatus = snp_undi32_get_status; | |
| snp->snp.Transmit = snp_undi32_transmit; | |
| snp->snp.Receive = snp_undi32_receive; | |
| snp->snp.WaitForPacket = NULL; | |
| snp->snp.Mode = &snp->mode; | |
| snp->tx_rx_bufsize = 0; | |
| snp->tx_rx_buffer = NULL; | |
| snp->if_num = Nii->IfNum; | |
| if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) != 0) { | |
| snp->is_swundi = FALSE; | |
| snp->issue_undi32_command = &issue_hwundi_command; | |
| } else { | |
| snp->is_swundi = TRUE; | |
| if ((pxe->sw.Implementation & PXE_ROMID_IMP_SW_VIRT_ADDR) != 0) { | |
| snp->issue_undi32_command = (issue_undi32_command) (UINTN) pxe->sw.EntryPoint; | |
| } else { | |
| snp->issue_undi32_command = (issue_undi32_command) (UINTN) ((UINT8) (UINTN) pxe + pxe->sw.EntryPoint); | |
| } | |
| } | |
| // | |
| // Allocate a global CPB and DB buffer for this UNDI interface. | |
| // we do this because: | |
| // | |
| // -UNDI 3.0 wants all the addresses passed to it (even the cpb and db) to be | |
| // within 2GB limit, create them here and map them so that when undi calls | |
| // v2p callback to check if the physical address is < 2gb, we will pass. | |
| // | |
| // -This is not a requirement for 3.1 or later UNDIs but the code looks | |
| // simpler if we use the same cpb, db variables for both old and new undi | |
| // interfaces from all the SNP interface calls (we don't map the buffers | |
| // for the newer undi interfaces though) | |
| // . | |
| // -it is OK to allocate one global set of CPB, DB pair for each UNDI | |
| // interface as EFI does not multi-task and so SNP will not be re-entered! | |
| // | |
| Status = mPciIoFncs->AllocateBuffer ( | |
| mPciIoFncs, | |
| AllocateAnyPages, | |
| EfiBootServicesData, | |
| SNP_MEM_PAGES (4096), | |
| &addr, | |
| 0 | |
| ); | |
| if (Status != EFI_SUCCESS) { | |
| DEBUG ((EFI_D_NET, "\nCould not allocate CPB and DB structures.\n")); | |
| goto Error_DeleteSNP; | |
| } | |
| if (snp->IsOldUndi) { | |
| Size = SNP_MEM_PAGES (4096); | |
| Status = mPciIoFncs->Map ( | |
| mPciIoFncs, | |
| EfiPciIoOperationBusMasterCommonBuffer, | |
| addr, | |
| &Size, | |
| &paddr, | |
| &snp->CpbUnmap | |
| ); | |
| ASSERT (paddr); | |
| snp->cpb = (VOID *) (UINTN) paddr; | |
| snp->db = (VOID *) ((UINTN) paddr + 2048); | |
| } else { | |
| snp->cpb = (VOID *) (UINTN) addr; | |
| snp->db = (VOID *) ((UINTN) addr + 2048); | |
| } | |
| // | |
| // pxe_start call is going to give the callback functions to UNDI, these callback | |
| // functions use the BarIndex values from the snp structure, so these must be initialized | |
| // with default values before doing a pxe_start. The correct values can be obtained after | |
| // getting the config information from UNDI | |
| // | |
| snp->MemoryBarIndex = 0; | |
| snp->IoBarIndex = 1; | |
| // | |
| // we need the undi init information many times in this snp code, just get it | |
| // once here and store it in the snp driver structure. to get Init Info | |
| // from UNDI we have to start undi first. | |
| // | |
| Status = pxe_start (snp); | |
| if (Status != EFI_SUCCESS) { | |
| goto Error_DeleteCPBDB; | |
| } | |
| snp->cdb.OpCode = PXE_OPCODE_GET_INIT_INFO; | |
| snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED; | |
| snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED; | |
| snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED; | |
| snp->cdb.DBsize = sizeof snp->init_info; | |
| snp->cdb.DBaddr = (UINT64)(UINTN) &snp->init_info; | |
| snp->cdb.StatCode = PXE_STATCODE_INITIALIZE; | |
| snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE; | |
| snp->cdb.IFnum = snp->if_num; | |
| snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST; | |
| DEBUG ((EFI_D_NET, "\nsnp->undi.get_init_info() ")); | |
| (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb); | |
| // | |
| // Save the INIT Stat Code... | |
| // | |
| InitStatFlags = snp->cdb.StatFlags; | |
| if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) { | |
| DEBUG ((EFI_D_NET, "\nsnp->undi.init_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode)); | |
| pxe_stop (snp); | |
| goto Error_DeleteCPBDB; | |
| } | |
| snp->cdb.OpCode = PXE_OPCODE_GET_CONFIG_INFO; | |
| snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED; | |
| snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED; | |
| snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED; | |
| snp->cdb.DBsize = sizeof ConfigInfo; | |
| snp->cdb.DBaddr = (UINT64)(UINTN) &ConfigInfo; | |
| snp->cdb.StatCode = PXE_STATCODE_INITIALIZE; | |
| snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE; | |
| snp->cdb.IFnum = snp->if_num; | |
| snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST; | |
| DEBUG ((EFI_D_NET, "\nsnp->undi.get_config_info() ")); | |
| (*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb); | |
| if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) { | |
| DEBUG ((EFI_D_NET, "\nsnp->undi.config_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode)); | |
| pxe_stop (snp); | |
| goto Error_DeleteCPBDB; | |
| } | |
| // | |
| // Find the correct BAR to do IO. | |
| // | |
| // | |
| // Enumerate through the PCI BARs for the device to determine which one is | |
| // the IO BAR. Save the index of the BAR into the adapter info structure. | |
| // for regular 32bit BARs, 0 is memory mapped, 1 is io mapped | |
| // | |
| ConfigHeader = (PCI_TYPE00 *) &ConfigInfo.Config.Byte[0]; | |
| TempBar = (UINT32 *) &ConfigHeader->Device.Bar[0]; | |
| for (BarIndex = 0; BarIndex <= 5; BarIndex++) { | |
| if ((*TempBar & PCI_BAR_MEM_MASK) == PCI_BAR_MEM_64BIT) { | |
| // | |
| // This is a 64-bit memory bar, skip this and the | |
| // next bar as well. | |
| // | |
| TempBar++; | |
| } | |
| if ((*TempBar & PCI_BAR_IO_MASK) == PCI_BAR_IO_MODE) { | |
| snp->IoBarIndex = BarIndex; | |
| break; | |
| } | |
| TempBar++; | |
| } | |
| // | |
| // We allocate 2 more global buffers for undi 3.0 interface. We use these | |
| // buffers to pass to undi when the user buffers are beyond 4GB. | |
| // UNDI 3.0 wants all the addresses passed to it to be | |
| // within 2GB limit, create them here and map them so that when undi calls | |
| // v2p callback to check if the physical address is < 2gb, we will pass. | |
| // | |
| // For 3.1 and later UNDIs, we do not do this because undi is | |
| // going to call the map() callback if and only if it wants to use the | |
| // device address for any address it receives. | |
| // | |
| if (snp->IsOldUndi) { | |
| // | |
| // buffer for receive | |
| // | |
| Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen + snp->init_info.FrameDataLen); | |
| Status = mPciIoFncs->AllocateBuffer ( | |
| mPciIoFncs, | |
| AllocateAnyPages, | |
| EfiBootServicesData, | |
| Size, | |
| &addr, | |
| 0 | |
| ); | |
| if (Status != EFI_SUCCESS) { | |
| DEBUG ((EFI_D_ERROR, "\nCould not allocate receive buffer.\n")); | |
| goto Error_DeleteCPBDB; | |
| } | |
| Status = mPciIoFncs->Map ( | |
| mPciIoFncs, | |
| EfiPciIoOperationBusMasterCommonBuffer, | |
| addr, | |
| &Size, | |
| &paddr, | |
| &snp->ReceiveBufUnmap | |
| ); | |
| ASSERT (paddr); | |
| snp->receive_buf = (UINT8 *) (UINTN) paddr; | |
| // | |
| // buffer for fill_header | |
| // | |
| Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen); | |
| Status = mPciIoFncs->AllocateBuffer ( | |
| mPciIoFncs, | |
| AllocateAnyPages, | |
| EfiBootServicesData, | |
| Size, | |
| &addr, | |
| 0 | |
| ); | |
| if (Status != EFI_SUCCESS) { | |
| DEBUG ((EFI_D_ERROR, "\nCould not allocate fill_header buffer.\n")); | |
| goto Error_DeleteRCVBuf; | |
| } | |
| Status = mPciIoFncs->Map ( | |
| mPciIoFncs, | |
| EfiPciIoOperationBusMasterCommonBuffer, | |
| addr, | |
| &Size, | |
| &paddr, | |
| &snp->FillHdrBufUnmap | |
| ); | |
| ASSERT (paddr); | |
| snp->fill_hdr_buf = (UINT8 *) (UINTN) paddr; | |
| } | |
| // | |
| // Initialize simple network protocol mode structure | |
| // | |
| snp->mode.State = EfiSimpleNetworkStopped; | |
| snp->mode.HwAddressSize = snp->init_info.HWaddrLen; | |
| snp->mode.MediaHeaderSize = snp->init_info.MediaHeaderLen; | |
| snp->mode.MaxPacketSize = snp->init_info.FrameDataLen; | |
| snp->mode.NvRamAccessSize = snp->init_info.NvWidth; | |
| snp->mode.NvRamSize = snp->init_info.NvCount * snp->mode.NvRamAccessSize; | |
| snp->mode.IfType = snp->init_info.IFtype; | |
| snp->mode.MaxMCastFilterCount = snp->init_info.MCastFilterCnt; | |
| snp->mode.MCastFilterCount = 0; | |
| switch (InitStatFlags & PXE_STATFLAGS_CABLE_DETECT_MASK) { | |
| case PXE_STATFLAGS_CABLE_DETECT_SUPPORTED: | |
| snp->mode.MediaPresentSupported = TRUE; | |
| break; | |
| case PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED: | |
| default: | |
| snp->mode.MediaPresentSupported = FALSE; | |
| } | |
| if ((pxe->hw.Implementation & PXE_ROMID_IMP_STATION_ADDR_SETTABLE) != 0) { | |
| snp->mode.MacAddressChangeable = TRUE; | |
| } else { | |
| snp->mode.MacAddressChangeable = FALSE; | |
| } | |
| if ((pxe->hw.Implementation & PXE_ROMID_IMP_MULTI_FRAME_SUPPORTED) != 0) { | |
| snp->mode.MultipleTxSupported = TRUE; | |
| } else { | |
| snp->mode.MultipleTxSupported = FALSE; | |
| } | |
| snp->mode.ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST; | |
| if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) { | |
| snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST; | |
| } | |
| if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) { | |
| snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS; | |
| } | |
| if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) { | |
| snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST; | |
| } | |
| if ((pxe->hw.Implementation & PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED) != 0) { | |
| snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST; | |
| } | |
| if (pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) { | |
| snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST; | |
| } | |
| snp->mode.ReceiveFilterSetting = 0; | |
| // | |
| // need to get the station address to save in the mode structure. we need to | |
| // initialize the UNDI first for this. | |
| // | |
| snp->tx_rx_bufsize = snp->init_info.MemoryRequired; | |
| Status = pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE); | |
| if (Status) { | |
| pxe_stop (snp); | |
| goto Error_DeleteHdrBuf; | |
| } | |
| Status = pxe_get_stn_addr (snp); | |
| if (Status != EFI_SUCCESS) { | |
| DEBUG ((EFI_D_ERROR, "\nsnp->undi.get_station_addr() failed.\n")); | |
| pxe_shutdown (snp); | |
| pxe_stop (snp); | |
| goto Error_DeleteHdrBuf; | |
| } | |
| snp->mode.MediaPresent = FALSE; | |
| // | |
| // We should not leave UNDI started and initialized here. this DriverStart() | |
| // routine must only find and attach the SNP interface to UNDI layer that it | |
| // finds on the given handle! | |
| // The UNDI layer will be started when upper layers call snp->start. | |
| // How ever, this DriverStart() must fill up the snp mode structure which | |
| // contains the MAC address of the NIC. For this reason we started and | |
| // initialized UNDI here, now we are done, do a shutdown and stop of the | |
| // UNDI interface! | |
| // | |
| pxe_shutdown (snp); | |
| pxe_stop (snp); | |
| // | |
| // add SNP to the undi handle | |
| // | |
| Status = gBS->InstallProtocolInterface ( | |
| &Controller, | |
| &gEfiSimpleNetworkProtocolGuid, | |
| EFI_NATIVE_INTERFACE, | |
| &(snp->snp) | |
| ); | |
| if (!EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| Error_DeleteHdrBuf: | |
| if (snp->IsOldUndi) { | |
| Status = mPciIoFncs->Unmap ( | |
| mPciIoFncs, | |
| snp->FillHdrBufUnmap | |
| ); | |
| Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen); | |
| mPciIoFncs->FreeBuffer ( | |
| mPciIoFncs, | |
| Size, | |
| snp->fill_hdr_buf | |
| ); | |
| } | |
| Error_DeleteRCVBuf: | |
| if (snp->IsOldUndi) { | |
| Status = mPciIoFncs->Unmap ( | |
| mPciIoFncs, | |
| snp->ReceiveBufUnmap | |
| ); | |
| Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen + snp->init_info.FrameDataLen); | |
| mPciIoFncs->FreeBuffer ( | |
| mPciIoFncs, | |
| Size, | |
| snp->receive_buf | |
| ); | |
| } | |
| Error_DeleteCPBDB: | |
| if (snp->IsOldUndi) { | |
| Status = mPciIoFncs->Unmap ( | |
| mPciIoFncs, | |
| snp->CpbUnmap | |
| ); | |
| } | |
| Status = mPciIoFncs->FreeBuffer ( | |
| mPciIoFncs, | |
| SNP_MEM_PAGES (4096), | |
| snp->cpb | |
| ); | |
| Error_DeleteSNP: | |
| if (snp->IsOldUndi) { | |
| Status = mPciIoFncs->Unmap ( | |
| mPciIoFncs, | |
| snp->SnpDriverUnmap | |
| ); | |
| } | |
| mPciIoFncs->FreeBuffer ( | |
| mPciIoFncs, | |
| SNP_MEM_PAGES (sizeof (SNP_DRIVER)), | |
| snp | |
| ); | |
| NiiError: | |
| if (!UndiNew) { | |
| gBS->CloseProtocol ( | |
| Controller, | |
| &gEfiNetworkInterfaceIdentifierProtocolGuid, | |
| This->DriverBindingHandle, | |
| Controller | |
| ); | |
| } else { | |
| gBS->CloseProtocol ( | |
| Controller, | |
| &gEfiNetworkInterfaceIdentifierProtocolGuid_31, | |
| This->DriverBindingHandle, | |
| Controller | |
| ); | |
| } | |
| gBS->CloseProtocol ( | |
| Controller, | |
| &gEfiDevicePathProtocolGuid, | |
| This->DriverBindingHandle, | |
| Controller | |
| ); | |
| return Status; | |
| } | |
| /** | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| SimpleNetworkDriverStop ( | |
| IN EFI_DRIVER_BINDING_PROTOCOL *This, | |
| IN EFI_HANDLE Controller, | |
| IN UINTN NumberOfChildren, | |
| IN EFI_HANDLE *ChildHandleBuffer | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| EFI_SIMPLE_NETWORK_PROTOCOL *SnpProtocol; | |
| SNP_DRIVER *Snp; | |
| // | |
| // Get our context back. | |
| // | |
| Status = gBS->OpenProtocol ( | |
| Controller, | |
| &gEfiSimpleNetworkProtocolGuid, | |
| (VOID **) &SnpProtocol, | |
| This->DriverBindingHandle, | |
| Controller, | |
| EFI_OPEN_PROTOCOL_GET_PROTOCOL | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return EFI_UNSUPPORTED; | |
| } | |
| Snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (SnpProtocol); | |
| Status = gBS->UninstallProtocolInterface ( | |
| Controller, | |
| &gEfiSimpleNetworkProtocolGuid, | |
| &Snp->snp | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| if (!Snp->IsOldUndi) { | |
| Status = gBS->CloseProtocol ( | |
| Controller, | |
| &gEfiNetworkInterfaceIdentifierProtocolGuid_31, | |
| This->DriverBindingHandle, | |
| Controller | |
| ); | |
| } else { | |
| Status = gBS->CloseProtocol ( | |
| Controller, | |
| &gEfiNetworkInterfaceIdentifierProtocolGuid, | |
| This->DriverBindingHandle, | |
| Controller | |
| ); | |
| } | |
| Status = gBS->CloseProtocol ( | |
| Controller, | |
| &gEfiDevicePathProtocolGuid, | |
| This->DriverBindingHandle, | |
| Controller | |
| ); | |
| pxe_shutdown (Snp); | |
| pxe_stop (Snp); | |
| if (Snp->IsOldUndi) { | |
| Status = mPciIoFncs->Unmap ( | |
| mPciIoFncs, | |
| Snp->FillHdrBufUnmap | |
| ); | |
| mPciIoFncs->FreeBuffer ( | |
| mPciIoFncs, | |
| SNP_MEM_PAGES (Snp->init_info.MediaHeaderLen), | |
| Snp->fill_hdr_buf | |
| ); | |
| Status = mPciIoFncs->Unmap ( | |
| mPciIoFncs, | |
| Snp->ReceiveBufUnmap | |
| ); | |
| mPciIoFncs->FreeBuffer ( | |
| mPciIoFncs, | |
| SNP_MEM_PAGES (Snp->init_info.MediaHeaderLen + Snp->init_info.FrameDataLen), | |
| Snp->receive_buf | |
| ); | |
| Status = mPciIoFncs->Unmap ( | |
| mPciIoFncs, | |
| Snp->CpbUnmap | |
| ); | |
| Status = mPciIoFncs->Unmap ( | |
| mPciIoFncs, | |
| Snp->SnpDriverUnmap | |
| ); | |
| } | |
| mPciIoFncs->FreeBuffer ( | |
| mPciIoFncs, | |
| SNP_MEM_PAGES (4096), | |
| Snp->cpb | |
| ); | |
| mPciIoFncs->FreeBuffer ( | |
| mPciIoFncs, | |
| SNP_MEM_PAGES (sizeof (SNP_DRIVER)), | |
| Snp | |
| ); | |
| return Status; | |
| } | |
| /** | |
| Install all the driver protocol | |
| @param entry EFI_IMAGE_ENTRY_POINT) | |
| @retval EFI_SUCEESS Initialization routine has found UNDI hardware, | |
| loaded it's ROM, and installed a notify event for | |
| the Network Indentifier Interface Protocol | |
| successfully. | |
| @retval Other Return value from HandleProtocol for | |
| DeviceIoProtocol or LoadedImageProtocol | |
| **/ | |
| EFI_STATUS | |
| EFIAPI | |
| InitializeSnpNiiDriver ( | |
| IN EFI_HANDLE ImageHandle, | |
| IN EFI_SYSTEM_TABLE *SystemTable | |
| ) | |
| { | |
| return EfiLibInstallAllDriverProtocols ( | |
| ImageHandle, | |
| SystemTable, | |
| &mSimpleNetworkDriverBinding, | |
| NULL, | |
| COMPONENT_NAME, | |
| NULL, | |
| NULL | |
| ); | |
| } |