diff options
Diffstat (limited to 'EdkModulePkg/Universal/Network/Snp32_64/Dxe/snp.c')
| -rw-r--r-- | EdkModulePkg/Universal/Network/Snp32_64/Dxe/snp.c | 1209 |
1 files changed, 0 insertions, 1209 deletions
diff --git a/EdkModulePkg/Universal/Network/Snp32_64/Dxe/snp.c b/EdkModulePkg/Universal/Network/Snp32_64/Dxe/snp.c deleted file mode 100644 index 4b8d6f8107..0000000000 --- a/EdkModulePkg/Universal/Network/Snp32_64/Dxe/snp.c +++ /dev/null @@ -1,1209 +0,0 @@ -/*++
-Copyright (c) 2006 - 2007, 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"
-
-//
-// 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
-//
-
-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;
-}
-
-STATIC
-UINT8
-calc_8bit_cksum (
- VOID *ptr,
- UINTN len
- )
-/*++
-
-Routine Description:
- Compute 8-bit checksum of a buffer.
-
-Arguments:
- ptr - Pointer to buffer.
- len - Length of buffer in bytes.
-
-Returns:
- 8-bit checksum of all bytes in buffer.
- If ptr is NULL or len is zero, zero is returned.
-
---*/
-{
- UINT8 *bptr;
- UINT8 cksum;
-
- bptr = ptr;
- cksum = 0;
-
- if (ptr == NULL || len == 0) {
- return 0;
- }
-
- while (len--) {
- cksum = (UINT8) (cksum +*bptr++);
- }
-
- return cksum;
-}
-
-STATIC
-EFI_STATUS
-EFIAPI
-SimpleNetworkDriverSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-/*++
-
- Routine Description:
- Test to see if this driver supports Controller. Any Controller
- that contains a Nii protocol can be supported.
-
- Arguments:
- This - Protocol instance pointer.
- Controller - Handle of device to test.
- RemainingDevicePath - Not used.
-
- Returns:
- EFI_SUCCESS - This driver supports this device.
- EFI_ALREADY_STARTED - This driver is already running on this device.
- other - This driver does not support this device.
-
---*/
-{
- 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;
-}
-
-STATIC
-EFI_STATUS
-EFIAPI
-SimpleNetworkDriverStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-/*++
-
-Routine Description:
- called for any handle that we said "supported" in the above call!
-
-Arguments:
- This - Protocol instance pointer.
- Controller - Handle of device to start
- RemainingDevicePath - Not used.
-
- Returns:
- EFI_SUCCESS - This driver supports this device.
- other - This driver failed to start this device.
-
---*/
-{
- 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;
-}
-
-STATIC
-EFI_STATUS
-EFIAPI
-SimpleNetworkDriverStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-/*++
-
-Routine Description:
-
-Arguments:
-
-Returns:
-
---*/
-{
- 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;
-}
-
-//
-// Simple Network Protocol Driver Global Variables
-//
-EFI_DRIVER_BINDING_PROTOCOL mSimpleNetworkDriverBinding = {
- SimpleNetworkDriverSupported,
- SimpleNetworkDriverStart,
- SimpleNetworkDriverStop,
- 0xa,
- NULL,
- NULL
-};
-
-EFI_STATUS
-add_v2p (
- IN OUT struct s_v2p **v2p,
- EFI_PCI_IO_PROTOCOL_OPERATION type,
- VOID *vaddr,
- UINTN bsize
- )
-/*++
-
-Routine Description:
- 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.
-
-Arguments:
- v2p - pointer to return a map list node pointer.
- type - the direction in which the data flows from the given virtual address
- device->cpu or cpu->device or both ways.
- vaddr - virtual address (or CPU address) to be mapped
- bsize - size of the buffer to be mapped.
-
-Returns:
-
- EFI_SUCEESS - routine has completed the mapping
- other - error as indicated.
-
---*/
-{
- 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;
-}
-
-EFI_STATUS
-find_v2p (
- struct s_v2p **v2p,
- VOID *vaddr
- )
-/*++
-
-Routine Description:
- 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.
-
-Arguments:
- v2p - pointer to return a map list node pointer.
- vaddr - virtual address (or CPU address) to be searched in the map list
-
-Returns:
-
- EFI_SUCEESS - if a match found!
- Other - match not found
-
---*/
-{
- 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;
-}
-
-EFI_STATUS
-del_v2p (
- VOID *vaddr
- )
-/*++
-
-Routine Description:
- This routine unmaps the given virtual address and frees the memory allocated
- for the map list node corresponding to that address.
-
-Arguments:
- vaddr - virtual address (or CPU address) to be unmapped
-
-Returns:
- EFI_SUCEESS - if successfully unmapped
- Other - as indicated by the error
-
-
---*/
-{
- 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;
-}
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