+++ /dev/null
-/*++\r
-Copyright (c) 2006 - 2007, Intel Corporation\r
-All rights reserved. This program and the accompanying materials\r
-are licensed and made available under the terms and conditions of the BSD License\r
-which accompanies this distribution. The full text of the license may be found at\r
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-Module name:\r
- snp.c\r
-\r
-Abstract:\r
-\r
---*/\r
-\r
-\r
-#include "Snp.h"\r
-\r
-//\r
-// Module global variables needed to support undi 3.0 interface\r
-//\r
-EFI_PCI_IO_PROTOCOL *mPciIoFncs;\r
-struct s_v2p *_v2p = NULL; // undi3.0 map_list head\r
-// End Global variables\r
-//\r
-\r
-STATIC\r
-EFI_STATUS\r
-issue_hwundi_command (\r
- UINT64 cdb\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
-Arguments:\r
-\r
-Returns:\r
-\r
---*/\r
-{\r
- DEBUG ((EFI_D_ERROR, "\nissue_hwundi_command() - This should not be called!"));\r
-\r
- if (cdb == 0) {\r
- return EFI_INVALID_PARAMETER;\r
-\r
- }\r
- //\r
- // %%TBD - For now, nothing is done.\r
- //\r
- return EFI_UNSUPPORTED;\r
-}\r
-\r
-STATIC\r
-UINT8\r
-calc_8bit_cksum (\r
- VOID *ptr,\r
- UINTN len\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- Compute 8-bit checksum of a buffer.\r
-\r
-Arguments:\r
- ptr - Pointer to buffer.\r
- len - Length of buffer in bytes.\r
-\r
-Returns:\r
- 8-bit checksum of all bytes in buffer.\r
- If ptr is NULL or len is zero, zero is returned.\r
-\r
---*/\r
-{\r
- UINT8 *bptr;\r
- UINT8 cksum;\r
-\r
- bptr = ptr;\r
- cksum = 0;\r
-\r
- if (ptr == NULL || len == 0) {\r
- return 0;\r
- }\r
-\r
- while (len--) {\r
- cksum = (UINT8) (cksum +*bptr++);\r
- }\r
-\r
- return cksum;\r
-}\r
-\r
-STATIC\r
-EFI_STATUS\r
-EFIAPI\r
-SimpleNetworkDriverSupported (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
- )\r
-/*++\r
-\r
- Routine Description:\r
- Test to see if this driver supports Controller. Any Controller\r
- that contains a Nii protocol can be supported.\r
-\r
- Arguments:\r
- This - Protocol instance pointer.\r
- Controller - Handle of device to test.\r
- RemainingDevicePath - Not used.\r
-\r
- Returns:\r
- EFI_SUCCESS - This driver supports this device.\r
- EFI_ALREADY_STARTED - This driver is already running on this device.\r
- other - This driver does not support this device.\r
-\r
---*/\r
-{\r
- EFI_STATUS Status;\r
- EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *NiiProtocol;\r
- PXE_UNDI *pxe;\r
- BOOLEAN IsUndi31;\r
-\r
- IsUndi31 = FALSE;\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- NULL,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_TEST_PROTOCOL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
- (VOID **) &NiiProtocol,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (Status == EFI_ALREADY_STARTED)\r
- {\r
- DEBUG ((EFI_D_INFO, "Support(): Already Started. on handle %x\n", Controller));\r
- return EFI_ALREADY_STARTED;\r
- }\r
-\r
- if (!EFI_ERROR (Status))\r
- {\r
- DEBUG ((EFI_D_INFO, "Support(): UNDI3.1 found on handle %x\n", Controller));\r
- IsUndi31 = TRUE;\r
- } else {\r
- //\r
- // try the older 3.0 driver\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiNetworkInterfaceIdentifierProtocolGuid,\r
- (VOID **) &NiiProtocol,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- DEBUG ((EFI_D_INFO, "Support(): UNDI3.0 found on handle %x\n", Controller));\r
- }\r
- //\r
- // check the version, we don't want to connect to the undi16\r
- //\r
- if (NiiProtocol->Type != EfiNetworkInterfaceUndi) {\r
- Status = EFI_UNSUPPORTED;\r
- goto Done;\r
- }\r
- //\r
- // Check to see if !PXE structure is valid. Paragraph alignment of !PXE structure is required.\r
- //\r
- if (NiiProtocol->ID & 0x0F) {\r
- DEBUG ((EFI_D_NET, "\n!PXE structure is not paragraph aligned.\n"));\r
- Status = EFI_UNSUPPORTED;\r
- goto Done;\r
- }\r
-\r
- pxe = (PXE_UNDI *) (UINTN) (NiiProtocol->ID);\r
-\r
- //\r
- // Verify !PXE revisions.\r
- //\r
- if (pxe->hw.Signature != PXE_ROMID_SIGNATURE) {\r
- DEBUG ((EFI_D_NET, "\n!PXE signature is not valid.\n"));\r
- Status = EFI_UNSUPPORTED;\r
- goto Done;\r
- }\r
-\r
- if (pxe->hw.Rev < PXE_ROMID_REV) {\r
- DEBUG ((EFI_D_NET, "\n!PXE.Rev is not supported.\n"));\r
- Status = EFI_UNSUPPORTED;\r
- goto Done;\r
- }\r
-\r
- if (pxe->hw.MajorVer < PXE_ROMID_MAJORVER) {\r
-\r
- DEBUG ((EFI_D_NET, "\n!PXE.MajorVer is not supported.\n"));\r
- Status = EFI_UNSUPPORTED;\r
- goto Done;\r
-\r
- } else if (pxe->hw.MajorVer == PXE_ROMID_MAJORVER && pxe->hw.MinorVer < PXE_ROMID_MINORVER) {\r
- DEBUG ((EFI_D_NET, "\n!PXE.MinorVer is not supported."));\r
- Status = EFI_UNSUPPORTED;\r
- goto Done;\r
- }\r
- //\r
- // Do S/W UNDI specific checks.\r
- //\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) == 0) {\r
- if (pxe->sw.EntryPoint < pxe->sw.Len) {\r
- DEBUG ((EFI_D_NET, "\n!PXE S/W entry point is not valid."));\r
- Status = EFI_UNSUPPORTED;\r
- goto Done;\r
- }\r
-\r
- if (pxe->sw.BusCnt == 0) {\r
- DEBUG ((EFI_D_NET, "\n!PXE.BusCnt is zero."));\r
- Status = EFI_UNSUPPORTED;\r
- goto Done;\r
- }\r
- }\r
-\r
- Status = EFI_SUCCESS;\r
- DEBUG ((EFI_D_INFO, "Support(): supported on %x\n", Controller));\r
-\r
-Done:\r
- if (IsUndi31) {\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- } else {\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiNetworkInterfaceIdentifierProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- }\r
-\r
- return Status;\r
-}\r
-\r
-STATIC\r
-EFI_STATUS\r
-EFIAPI\r
-SimpleNetworkDriverStart (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- called for any handle that we said "supported" in the above call!\r
-\r
-Arguments:\r
- This - Protocol instance pointer.\r
- Controller - Handle of device to start\r
- RemainingDevicePath - Not used.\r
-\r
- Returns:\r
- EFI_SUCCESS - This driver supports this device.\r
- other - This driver failed to start this device.\r
-\r
---*/\r
-{\r
- EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL *Nii;\r
- EFI_DEVICE_PATH_PROTOCOL *NiiDevicePath;\r
- EFI_STATUS Status;\r
- PXE_UNDI *pxe;\r
- SNP_DRIVER *snp;\r
- VOID *addr;\r
- VOID *addrUnmap;\r
- EFI_PHYSICAL_ADDRESS paddr;\r
- EFI_HANDLE Handle;\r
- UINTN Size;\r
- BOOLEAN UndiNew;\r
- PXE_PCI_CONFIG_INFO ConfigInfo;\r
- PCI_TYPE00 *ConfigHeader;\r
- UINT32 *TempBar;\r
- UINT8 BarIndex;\r
- PXE_STATFLAGS InitStatFlags;\r
-\r
- DEBUG ((EFI_D_NET, "\nSnpNotifyNetworkInterfaceIdentifier() "));\r
-\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- (VOID **) &NiiDevicePath,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- Status = gBS->LocateDevicePath (\r
- &gEfiPciIoProtocolGuid,\r
- &NiiDevicePath,\r
- &Handle\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- Status = gBS->OpenProtocol (\r
- Handle,\r
- &gEfiPciIoProtocolGuid,\r
- (VOID **) &mPciIoFncs,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
- //\r
- // Get the NII interface. look for 3.1 undi first, if it is not there\r
- // then look for 3.0, validate the interface.\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
- (VOID **) &Nii,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (Status == EFI_ALREADY_STARTED) {\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- return Status;\r
- }\r
-\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // probably not a 3.1 UNDI\r
- //\r
- UndiNew = TRUE;\r
- DEBUG ((EFI_D_INFO, "Start(): UNDI3.1 found\n"));\r
-\r
- } else {\r
- UndiNew = FALSE;\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiNetworkInterfaceIdentifierProtocolGuid,\r
- (VOID **) &Nii,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (EFI_ERROR (Status)) {\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- return Status;\r
- }\r
-\r
- DEBUG ((EFI_D_INFO, "Start(): UNDI3.0 found\n"));\r
- }\r
-\r
- pxe = (PXE_UNDI *) (UINTN) (Nii->ID);\r
-\r
- if (calc_8bit_cksum (pxe, pxe->hw.Len) != 0) {\r
- DEBUG ((EFI_D_NET, "\n!PXE checksum is not correct.\n"));\r
- goto NiiError;\r
- }\r
-\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r
- //\r
- // We can get any packets.\r
- //\r
- } else if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r
- //\r
- // We need to be able to get broadcast packets for DHCP.\r
- // If we do not have promiscuous support, we must at least have\r
- // broadcast support or we cannot do DHCP!\r
- //\r
- } else {\r
- DEBUG ((EFI_D_NET, "\nUNDI does not have promiscuous or broadcast support."));\r
- goto NiiError;\r
- }\r
- //\r
- // OK, we like this UNDI, and we know snp is not already there on this handle\r
- // Allocate and initialize a new simple network protocol structure.\r
- //\r
- Status = mPciIoFncs->AllocateBuffer (\r
- mPciIoFncs,\r
- AllocateAnyPages,\r
- EfiBootServicesData,\r
- SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r
- &addr,\r
- 0\r
- );\r
-\r
- if (Status != EFI_SUCCESS) {\r
- DEBUG ((EFI_D_NET, "\nCould not allocate SNP_DRIVER structure.\n"));\r
- goto NiiError;\r
- }\r
-\r
- snp = (SNP_DRIVER *) (UINTN) addr;\r
-\r
- if (!UndiNew) {\r
- Size = SNP_MEM_PAGES (sizeof (SNP_DRIVER));\r
-\r
- Status = mPciIoFncs->Map (\r
- mPciIoFncs,\r
- EfiPciIoOperationBusMasterCommonBuffer,\r
- addr,\r
- &Size,\r
- &paddr,\r
- &addrUnmap\r
- );\r
-\r
- ASSERT (paddr);\r
-\r
- DEBUG ((EFI_D_NET, "\nSNP_DRIVER @ %Xh, sizeof(SNP_DRIVER) == %d", addr, sizeof (SNP_DRIVER)));\r
- snp = (SNP_DRIVER *) (UINTN) paddr;\r
- snp->SnpDriverUnmap = addrUnmap;\r
- }\r
-\r
- ZeroMem (snp, sizeof (SNP_DRIVER));\r
-\r
- snp->IoFncs = mPciIoFncs;\r
- snp->IsOldUndi = (BOOLEAN) (!UndiNew);\r
-\r
- snp->Signature = SNP_DRIVER_SIGNATURE;\r
-\r
- EfiInitializeLock (&snp->lock, TPL_NOTIFY);\r
-\r
- snp->snp.Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION;\r
- snp->snp.Start = snp_undi32_start;\r
- snp->snp.Stop = snp_undi32_stop;\r
- snp->snp.Initialize = snp_undi32_initialize;\r
- snp->snp.Reset = snp_undi32_reset;\r
- snp->snp.Shutdown = snp_undi32_shutdown;\r
- snp->snp.ReceiveFilters = snp_undi32_receive_filters;\r
- snp->snp.StationAddress = snp_undi32_station_address;\r
- snp->snp.Statistics = snp_undi32_statistics;\r
- snp->snp.MCastIpToMac = snp_undi32_mcast_ip_to_mac;\r
- snp->snp.NvData = snp_undi32_nvdata;\r
- snp->snp.GetStatus = snp_undi32_get_status;\r
- snp->snp.Transmit = snp_undi32_transmit;\r
- snp->snp.Receive = snp_undi32_receive;\r
- snp->snp.WaitForPacket = NULL;\r
-\r
- snp->snp.Mode = &snp->mode;\r
-\r
- snp->tx_rx_bufsize = 0;\r
- snp->tx_rx_buffer = NULL;\r
-\r
- snp->if_num = Nii->IfNum;\r
-\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_HW_UNDI) != 0) {\r
- snp->is_swundi = FALSE;\r
- snp->issue_undi32_command = &issue_hwundi_command;\r
- } else {\r
- snp->is_swundi = TRUE;\r
-\r
- if ((pxe->sw.Implementation & PXE_ROMID_IMP_SW_VIRT_ADDR) != 0) {\r
- snp->issue_undi32_command = (issue_undi32_command) (UINTN) pxe->sw.EntryPoint;\r
- } else {\r
- snp->issue_undi32_command = (issue_undi32_command) (UINTN) ((UINT8) (UINTN) pxe + pxe->sw.EntryPoint);\r
- }\r
- }\r
- //\r
- // Allocate a global CPB and DB buffer for this UNDI interface.\r
- // we do this because:\r
- //\r
- // -UNDI 3.0 wants all the addresses passed to it (even the cpb and db) to be\r
- // within 2GB limit, create them here and map them so that when undi calls\r
- // v2p callback to check if the physical address is < 2gb, we will pass.\r
- //\r
- // -This is not a requirement for 3.1 or later UNDIs but the code looks\r
- // simpler if we use the same cpb, db variables for both old and new undi\r
- // interfaces from all the SNP interface calls (we don't map the buffers\r
- // for the newer undi interfaces though)\r
- // .\r
- // -it is OK to allocate one global set of CPB, DB pair for each UNDI\r
- // interface as EFI does not multi-task and so SNP will not be re-entered!\r
- //\r
- Status = mPciIoFncs->AllocateBuffer (\r
- mPciIoFncs,\r
- AllocateAnyPages,\r
- EfiBootServicesData,\r
- SNP_MEM_PAGES (4096),\r
- &addr,\r
- 0\r
- );\r
-\r
- if (Status != EFI_SUCCESS) {\r
- DEBUG ((EFI_D_NET, "\nCould not allocate CPB and DB structures.\n"));\r
- goto Error_DeleteSNP;\r
- }\r
-\r
- if (snp->IsOldUndi) {\r
- Size = SNP_MEM_PAGES (4096);\r
-\r
- Status = mPciIoFncs->Map (\r
- mPciIoFncs,\r
- EfiPciIoOperationBusMasterCommonBuffer,\r
- addr,\r
- &Size,\r
- &paddr,\r
- &snp->CpbUnmap\r
- );\r
-\r
- ASSERT (paddr);\r
-\r
- snp->cpb = (VOID *) (UINTN) paddr;\r
- snp->db = (VOID *) ((UINTN) paddr + 2048);\r
- } else {\r
- snp->cpb = (VOID *) (UINTN) addr;\r
- snp->db = (VOID *) ((UINTN) addr + 2048);\r
- }\r
- //\r
- // pxe_start call is going to give the callback functions to UNDI, these callback\r
- // functions use the BarIndex values from the snp structure, so these must be initialized\r
- // with default values before doing a pxe_start. The correct values can be obtained after\r
- // getting the config information from UNDI\r
- //\r
- snp->MemoryBarIndex = 0;\r
- snp->IoBarIndex = 1;\r
-\r
- //\r
- // we need the undi init information many times in this snp code, just get it\r
- // once here and store it in the snp driver structure. to get Init Info\r
- // from UNDI we have to start undi first.\r
- //\r
- Status = pxe_start (snp);\r
-\r
- if (Status != EFI_SUCCESS) {\r
- goto Error_DeleteCPBDB;\r
- }\r
-\r
- snp->cdb.OpCode = PXE_OPCODE_GET_INIT_INFO;\r
- snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r
-\r
- snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r
- snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r
-\r
- snp->cdb.DBsize = sizeof snp->init_info;\r
- snp->cdb.DBaddr = (UINT64) (UINTN) &snp->init_info;\r
-\r
- snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r
- snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r
-\r
- snp->cdb.IFnum = snp->if_num;\r
- snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r
-\r
- DEBUG ((EFI_D_NET, "\nsnp->undi.get_init_info() "));\r
-\r
- (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r
-\r
- //\r
- // Save the INIT Stat Code...\r
- //\r
- InitStatFlags = snp->cdb.StatFlags;\r
-\r
- if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {\r
- DEBUG ((EFI_D_NET, "\nsnp->undi.init_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));\r
- pxe_stop (snp);\r
- goto Error_DeleteCPBDB;\r
- }\r
-\r
- snp->cdb.OpCode = PXE_OPCODE_GET_CONFIG_INFO;\r
- snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;\r
-\r
- snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;\r
- snp->cdb.CPBaddr = PXE_DBADDR_NOT_USED;\r
-\r
- snp->cdb.DBsize = sizeof ConfigInfo;\r
- snp->cdb.DBaddr = (UINT64) (UINTN) &ConfigInfo;\r
-\r
- snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;\r
- snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;\r
-\r
- snp->cdb.IFnum = snp->if_num;\r
- snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;\r
-\r
- DEBUG ((EFI_D_NET, "\nsnp->undi.get_config_info() "));\r
-\r
- (*snp->issue_undi32_command) ((UINT64) (UINTN) &snp->cdb);\r
-\r
- if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {\r
- DEBUG ((EFI_D_NET, "\nsnp->undi.config_info() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));\r
- pxe_stop (snp);\r
- goto Error_DeleteCPBDB;\r
- }\r
- //\r
- // Find the correct BAR to do IO.\r
- //\r
- //\r
- // Enumerate through the PCI BARs for the device to determine which one is\r
- // the IO BAR. Save the index of the BAR into the adapter info structure.\r
- // for regular 32bit BARs, 0 is memory mapped, 1 is io mapped\r
- //\r
- ConfigHeader = (PCI_TYPE00 *) &ConfigInfo.Config.Byte[0];\r
- TempBar = (UINT32 *) &ConfigHeader->Device.Bar[0];\r
- for (BarIndex = 0; BarIndex <= 5; BarIndex++) {\r
- if ((*TempBar & PCI_BAR_MEM_MASK) == PCI_BAR_MEM_64BIT) {\r
- //\r
- // This is a 64-bit memory bar, skip this and the\r
- // next bar as well.\r
- //\r
- TempBar++;\r
- }\r
-\r
- if ((*TempBar & PCI_BAR_IO_MASK) == PCI_BAR_IO_MODE) {\r
- snp->IoBarIndex = BarIndex;\r
- break;\r
- }\r
-\r
- TempBar++;\r
- }\r
-\r
- //\r
- // We allocate 2 more global buffers for undi 3.0 interface. We use these\r
- // buffers to pass to undi when the user buffers are beyond 4GB.\r
- // UNDI 3.0 wants all the addresses passed to it to be\r
- // within 2GB limit, create them here and map them so that when undi calls\r
- // v2p callback to check if the physical address is < 2gb, we will pass.\r
- //\r
- // For 3.1 and later UNDIs, we do not do this because undi is\r
- // going to call the map() callback if and only if it wants to use the\r
- // device address for any address it receives.\r
- //\r
- if (snp->IsOldUndi) {\r
- //\r
- // buffer for receive\r
- //\r
- Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen + snp->init_info.FrameDataLen);\r
- Status = mPciIoFncs->AllocateBuffer (\r
- mPciIoFncs,\r
- AllocateAnyPages,\r
- EfiBootServicesData,\r
- Size,\r
- &addr,\r
- 0\r
- );\r
-\r
- if (Status != EFI_SUCCESS) {\r
- DEBUG ((EFI_D_ERROR, "\nCould not allocate receive buffer.\n"));\r
- goto Error_DeleteCPBDB;\r
- }\r
-\r
- Status = mPciIoFncs->Map (\r
- mPciIoFncs,\r
- EfiPciIoOperationBusMasterCommonBuffer,\r
- addr,\r
- &Size,\r
- &paddr,\r
- &snp->ReceiveBufUnmap\r
- );\r
-\r
- ASSERT (paddr);\r
-\r
- snp->receive_buf = (UINT8 *) (UINTN) paddr;\r
-\r
- //\r
- // buffer for fill_header\r
- //\r
- Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen);\r
- Status = mPciIoFncs->AllocateBuffer (\r
- mPciIoFncs,\r
- AllocateAnyPages,\r
- EfiBootServicesData,\r
- Size,\r
- &addr,\r
- 0\r
- );\r
-\r
- if (Status != EFI_SUCCESS) {\r
- DEBUG ((EFI_D_ERROR, "\nCould not allocate fill_header buffer.\n"));\r
- goto Error_DeleteRCVBuf;\r
- }\r
-\r
- Status = mPciIoFncs->Map (\r
- mPciIoFncs,\r
- EfiPciIoOperationBusMasterCommonBuffer,\r
- addr,\r
- &Size,\r
- &paddr,\r
- &snp->FillHdrBufUnmap\r
- );\r
-\r
- ASSERT (paddr);\r
- snp->fill_hdr_buf = (UINT8 *) (UINTN) paddr;\r
- }\r
- //\r
- // Initialize simple network protocol mode structure\r
- //\r
- snp->mode.State = EfiSimpleNetworkStopped;\r
- snp->mode.HwAddressSize = snp->init_info.HWaddrLen;\r
- snp->mode.MediaHeaderSize = snp->init_info.MediaHeaderLen;\r
- snp->mode.MaxPacketSize = snp->init_info.FrameDataLen;\r
- snp->mode.NvRamAccessSize = snp->init_info.NvWidth;\r
- snp->mode.NvRamSize = snp->init_info.NvCount * snp->mode.NvRamAccessSize;\r
- snp->mode.IfType = snp->init_info.IFtype;\r
- snp->mode.MaxMCastFilterCount = snp->init_info.MCastFilterCnt;\r
- snp->mode.MCastFilterCount = 0;\r
-\r
- switch (InitStatFlags & PXE_STATFLAGS_CABLE_DETECT_MASK) {\r
- case PXE_STATFLAGS_CABLE_DETECT_SUPPORTED:\r
- snp->mode.MediaPresentSupported = TRUE;\r
- break;\r
-\r
- case PXE_STATFLAGS_CABLE_DETECT_NOT_SUPPORTED:\r
- default:\r
- snp->mode.MediaPresentSupported = FALSE;\r
- }\r
-\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_STATION_ADDR_SETTABLE) != 0) {\r
- snp->mode.MacAddressChangeable = TRUE;\r
- } else {\r
- snp->mode.MacAddressChangeable = FALSE;\r
- }\r
-\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_MULTI_FRAME_SUPPORTED) != 0) {\r
- snp->mode.MultipleTxSupported = TRUE;\r
- } else {\r
- snp->mode.MultipleTxSupported = FALSE;\r
- }\r
-\r
- snp->mode.ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST;\r
-\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) != 0) {\r
- snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r
-\r
- }\r
-\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_RX_SUPPORTED) != 0) {\r
- snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS;\r
-\r
- }\r
-\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_BROADCAST_RX_SUPPORTED) != 0) {\r
- snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST;\r
-\r
- }\r
-\r
- if ((pxe->hw.Implementation & PXE_ROMID_IMP_FILTERED_MULTICAST_RX_SUPPORTED) != 0) {\r
- snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST;\r
-\r
- }\r
-\r
- if (pxe->hw.Implementation & PXE_ROMID_IMP_PROMISCUOUS_MULTICAST_RX_SUPPORTED) {\r
- snp->mode.ReceiveFilterMask |= EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;\r
-\r
- }\r
-\r
- snp->mode.ReceiveFilterSetting = 0;\r
-\r
- //\r
- // need to get the station address to save in the mode structure. we need to\r
- // initialize the UNDI first for this.\r
- //\r
- snp->tx_rx_bufsize = snp->init_info.MemoryRequired;\r
- Status = pxe_init (snp, PXE_OPFLAGS_INITIALIZE_DO_NOT_DETECT_CABLE);\r
-\r
- if (Status) {\r
- pxe_stop (snp);\r
- goto Error_DeleteHdrBuf;\r
- }\r
-\r
- Status = pxe_get_stn_addr (snp);\r
-\r
- if (Status != EFI_SUCCESS) {\r
- DEBUG ((EFI_D_ERROR, "\nsnp->undi.get_station_addr() failed.\n"));\r
- pxe_shutdown (snp);\r
- pxe_stop (snp);\r
- goto Error_DeleteHdrBuf;\r
- }\r
-\r
- snp->mode.MediaPresent = FALSE;\r
-\r
- //\r
- // We should not leave UNDI started and initialized here. this DriverStart()\r
- // routine must only find and attach the SNP interface to UNDI layer that it\r
- // finds on the given handle!\r
- // The UNDI layer will be started when upper layers call snp->start.\r
- // How ever, this DriverStart() must fill up the snp mode structure which\r
- // contains the MAC address of the NIC. For this reason we started and\r
- // initialized UNDI here, now we are done, do a shutdown and stop of the\r
- // UNDI interface!\r
- //\r
- pxe_shutdown (snp);\r
- pxe_stop (snp);\r
-\r
- //\r
- // add SNP to the undi handle\r
- //\r
- Status = gBS->InstallProtocolInterface (\r
- &Controller,\r
- &gEfiSimpleNetworkProtocolGuid,\r
- EFI_NATIVE_INTERFACE,\r
- &(snp->snp)\r
- );\r
-\r
- if (!EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
-Error_DeleteHdrBuf:\r
- if (snp->IsOldUndi) {\r
- Status = mPciIoFncs->Unmap (\r
- mPciIoFncs,\r
- snp->FillHdrBufUnmap\r
- );\r
- Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen);\r
- mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
- Size,\r
- snp->fill_hdr_buf\r
- );\r
- }\r
-\r
-Error_DeleteRCVBuf:\r
- if (snp->IsOldUndi) {\r
- Status = mPciIoFncs->Unmap (\r
- mPciIoFncs,\r
- snp->ReceiveBufUnmap\r
- );\r
- Size = SNP_MEM_PAGES (snp->init_info.MediaHeaderLen + snp->init_info.FrameDataLen);\r
- mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
- Size,\r
- snp->receive_buf\r
- );\r
-\r
- }\r
-\r
-Error_DeleteCPBDB:\r
- if (snp->IsOldUndi) {\r
- Status = mPciIoFncs->Unmap (\r
- mPciIoFncs,\r
- snp->CpbUnmap\r
- );\r
- }\r
-\r
- Status = mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
- SNP_MEM_PAGES (4096),\r
- snp->cpb\r
- );\r
-\r
-Error_DeleteSNP:\r
- if (snp->IsOldUndi) {\r
- Status = mPciIoFncs->Unmap (\r
- mPciIoFncs,\r
- snp->SnpDriverUnmap\r
- );\r
- }\r
-\r
- mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
- SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r
- snp\r
- );\r
-NiiError:\r
- if (!UndiNew) {\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiNetworkInterfaceIdentifierProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- } else {\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- }\r
-\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- return Status;\r
-}\r
-\r
-STATIC\r
-EFI_STATUS\r
-EFIAPI\r
-SimpleNetworkDriverStop (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN UINTN NumberOfChildren,\r
- IN EFI_HANDLE *ChildHandleBuffer\r
- )\r
-/*++\r
-\r
-Routine Description:\r
-\r
-Arguments:\r
-\r
-Returns:\r
-\r
---*/\r
-{\r
- EFI_STATUS Status;\r
- EFI_SIMPLE_NETWORK_PROTOCOL *SnpProtocol;\r
- SNP_DRIVER *Snp;\r
-\r
- //\r
- // Get our context back.\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiSimpleNetworkProtocolGuid,\r
- (VOID **) &SnpProtocol,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- return EFI_UNSUPPORTED;\r
- }\r
-\r
- Snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (SnpProtocol);\r
-\r
- Status = gBS->UninstallProtocolInterface (\r
- Controller,\r
- &gEfiSimpleNetworkProtocolGuid,\r
- &Snp->snp\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- if (!Snp->IsOldUndi) {\r
- Status = gBS->CloseProtocol (\r
- Controller,\r
- &gEfiNetworkInterfaceIdentifierProtocolGuid_31,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- } else {\r
- Status = gBS->CloseProtocol (\r
- Controller,\r
- &gEfiNetworkInterfaceIdentifierProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- }\r
-\r
- Status = gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- pxe_shutdown (Snp);\r
- pxe_stop (Snp);\r
-\r
- if (Snp->IsOldUndi) {\r
- Status = mPciIoFncs->Unmap (\r
- mPciIoFncs,\r
- Snp->FillHdrBufUnmap\r
- );\r
-\r
- mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
- SNP_MEM_PAGES (Snp->init_info.MediaHeaderLen),\r
- Snp->fill_hdr_buf\r
- );\r
- Status = mPciIoFncs->Unmap (\r
- mPciIoFncs,\r
- Snp->ReceiveBufUnmap\r
- );\r
-\r
- mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
- SNP_MEM_PAGES (Snp->init_info.MediaHeaderLen + Snp->init_info.FrameDataLen),\r
- Snp->receive_buf\r
- );\r
-\r
- Status = mPciIoFncs->Unmap (\r
- mPciIoFncs,\r
- Snp->CpbUnmap\r
- );\r
- Status = mPciIoFncs->Unmap (\r
- mPciIoFncs,\r
- Snp->SnpDriverUnmap\r
- );\r
- }\r
-\r
- mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
- SNP_MEM_PAGES (4096),\r
- Snp->cpb\r
- );\r
-\r
- mPciIoFncs->FreeBuffer (\r
- mPciIoFncs,\r
- SNP_MEM_PAGES (sizeof (SNP_DRIVER)),\r
- Snp\r
- );\r
-\r
- return Status;\r
-}\r
-\r
-//\r
-// Simple Network Protocol Driver Global Variables\r
-//\r
-EFI_DRIVER_BINDING_PROTOCOL mSimpleNetworkDriverBinding = {\r
- SimpleNetworkDriverSupported,\r
- SimpleNetworkDriverStart,\r
- SimpleNetworkDriverStop,\r
- 0xa,\r
- NULL,\r
- NULL\r
-};\r
-\r
-EFI_STATUS\r
-add_v2p (\r
- IN OUT struct s_v2p **v2p,\r
- EFI_PCI_IO_PROTOCOL_OPERATION type,\r
- VOID *vaddr,\r
- UINTN bsize\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- This routine maps the given CPU address to a Device address. It creates a\r
- an entry in the map list with the virtual and physical addresses and the\r
- un map cookie.\r
-\r
-Arguments:\r
- v2p - pointer to return a map list node pointer.\r
- type - the direction in which the data flows from the given virtual address\r
- device->cpu or cpu->device or both ways.\r
- vaddr - virtual address (or CPU address) to be mapped\r
- bsize - size of the buffer to be mapped.\r
-\r
-Returns:\r
-\r
- EFI_SUCEESS - routine has completed the mapping\r
- other - error as indicated.\r
-\r
---*/\r
-{\r
- EFI_STATUS Status;\r
-\r
- if ((v2p == NULL) || (vaddr == NULL) || (bsize == 0)) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- *v2p = AllocatePool (sizeof (struct s_v2p));\r
- if (*v2p != NULL) {\r
- return EFI_OUT_OF_RESOURCES;\r
- }\r
-\r
- Status = mPciIoFncs->Map (\r
- mPciIoFncs,\r
- type,\r
- vaddr,\r
- &bsize,\r
- &(*v2p)->paddr,\r
- &(*v2p)->unmap\r
- );\r
- if (Status != EFI_SUCCESS) {\r
- FreePool (*v2p);\r
- return Status;\r
- }\r
- (*v2p)->vaddr = vaddr;\r
- (*v2p)->bsize = bsize;\r
- (*v2p)->next = _v2p;\r
- _v2p = *v2p;\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-EFI_STATUS\r
-find_v2p (\r
- struct s_v2p **v2p,\r
- VOID *vaddr\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- This routine searches the linked list of mapped address nodes (for undi3.0\r
- interface) to find the node that corresponds to the given virtual address and\r
- returns a pointer to that node.\r
-\r
-Arguments:\r
- v2p - pointer to return a map list node pointer.\r
- vaddr - virtual address (or CPU address) to be searched in the map list\r
-\r
-Returns:\r
-\r
- EFI_SUCEESS - if a match found!\r
- Other - match not found\r
-\r
---*/\r
-{\r
- struct s_v2p *v;\r
-\r
- if (v2p == NULL || vaddr == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- for (v = _v2p; v != NULL; v = v->next) {\r
- if (v->vaddr == vaddr) {\r
- *v2p = v;\r
- return EFI_SUCCESS;\r
- }\r
- }\r
-\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
-EFI_STATUS\r
-del_v2p (\r
- VOID *vaddr\r
- )\r
-/*++\r
-\r
-Routine Description:\r
- This routine unmaps the given virtual address and frees the memory allocated\r
- for the map list node corresponding to that address.\r
-\r
-Arguments:\r
- vaddr - virtual address (or CPU address) to be unmapped\r
-\r
-Returns:\r
- EFI_SUCEESS - if successfully unmapped\r
- Other - as indicated by the error\r
-\r
-\r
---*/\r
-{\r
- struct s_v2p *v;\r
- struct s_v2p *t;\r
- EFI_STATUS Status;\r
-\r
- if (vaddr == NULL) {\r
- return EFI_INVALID_PARAMETER;\r
- }\r
-\r
- if (_v2p == NULL) {\r
- return EFI_NOT_FOUND;\r
- }\r
- //\r
- // Is our node at the head of the list??\r
- //\r
- if ((v = _v2p)->vaddr == vaddr) {\r
- _v2p = _v2p->next;\r
-\r
- Status = mPciIoFncs->Unmap (mPciIoFncs, v->unmap);\r
-\r
- FreePool (v);\r
-\r
- if (Status) {\r
- DEBUG ((EFI_D_ERROR, "Unmap failed with status = %x\n", Status));\r
- }\r
- return Status;\r
- }\r
-\r
- for (; v->next != NULL; v = t) {\r
- if ((t = v->next)->vaddr == vaddr) {\r
- v->next = t->next;\r
- Status = mPciIoFncs->Unmap (mPciIoFncs, t->unmap);\r
- FreePool (t);\r
-\r
- if (Status) {\r
- DEBUG ((EFI_D_ERROR, "Unmap failed with status = %x\n", Status));\r
- }\r
- return Status;\r
- }\r
- }\r
-\r
- return EFI_NOT_FOUND;\r
-}\r
projects / mirror_edk2.git / blobdiff