mirror of https://github.com/acidanthera/audk.git
655 lines
19 KiB
C
655 lines
19 KiB
C
/** @file
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The driver binding for UEFI PXEBC protocol.
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Copyright (c) 2007 - 2012, Intel Corporation. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "PxeBcImpl.h"
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EFI_DRIVER_BINDING_PROTOCOL gPxeBcDriverBinding = {
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PxeBcDriverBindingSupported,
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PxeBcDriverBindingStart,
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PxeBcDriverBindingStop,
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0xa,
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NULL,
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NULL
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};
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/**
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This is the declaration of an EFI image entry point. This entry point is
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the same for UEFI Applications, UEFI OS Loaders, and UEFI Drivers including
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both device drivers and bus drivers.
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@param ImageHandle The firmware allocated handle for the UEFI image.
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@param SystemTable A pointer to the EFI System Table.
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@retval EFI_SUCCESS The operation completed successfully.
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@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
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**/
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EFI_STATUS
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EFIAPI
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PxeBcDriverEntryPoint (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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return EfiLibInstallDriverBindingComponentName2 (
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ImageHandle,
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SystemTable,
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&gPxeBcDriverBinding,
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ImageHandle,
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&gPxeBcComponentName,
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&gPxeBcComponentName2
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);
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}
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/**
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Test to see if this driver supports ControllerHandle. This service
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is called by the EFI boot service ConnectController(). In
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order to make drivers as small as possible, there are a few calling
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restrictions for this service. ConnectController() must
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follow these calling restrictions. If any other agent wishes to call
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Supported() it must also follow these calling restrictions.
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PxeBc requires DHCP4 and MTFTP4 protocols.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to test
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver supports this device
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@retval EFI_ALREADY_STARTED This driver is already running on this device
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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PxeBcDriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL * This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
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)
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{
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EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
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EFI_STATUS Status;
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiPxeBaseCodeProtocolGuid,
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(VOID **) &PxeBc,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (!EFI_ERROR (Status)) {
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return EFI_ALREADY_STARTED;
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}
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiDhcp4ServiceBindingProtocolGuid,
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NULL,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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if (!EFI_ERROR (Status)) {
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiMtftp4ServiceBindingProtocolGuid,
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NULL,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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}
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return Status;
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}
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/**
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Start this driver on ControllerHandle. This service is called by the
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EFI boot service ConnectController(). In order to make
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drivers as small as possible, there are a few calling restrictions for
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this service. ConnectController() must follow these
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calling restrictions. If any other agent wishes to call Start() it
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must also follow these calling restrictions.
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to bind driver to
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@param RemainingDevicePath Optional parameter use to pick a specific child
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device to start.
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@retval EFI_SUCCESS This driver is added to ControllerHandle
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@retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle
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@retval other This driver does not support this device
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**/
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EFI_STATUS
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EFIAPI
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PxeBcDriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL * This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_DEVICE_PATH_PROTOCOL * RemainingDevicePath OPTIONAL
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)
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{
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PXEBC_PRIVATE_DATA *Private;
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UINTN Index;
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EFI_STATUS Status;
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EFI_IP4_MODE_DATA Ip4ModeData;
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Private = AllocateZeroPool (sizeof (PXEBC_PRIVATE_DATA));
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if (Private == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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Private->Signature = PXEBC_PRIVATE_DATA_SIGNATURE;
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Private->Controller = ControllerHandle;
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Private->Image = This->DriverBindingHandle;
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CopyMem (&Private->PxeBc, &mPxeBcProtocolTemplate, sizeof (Private->PxeBc));
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Private->PxeBc.Mode = &Private->Mode;
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CopyMem (&Private->LoadFile, &mLoadFileProtocolTemplate, sizeof (Private->LoadFile));
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Private->ProxyOffer.Packet.Offer.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
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Private->Dhcp4Ack.Packet.Ack.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
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Private->PxeReply.Packet.Ack.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
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for (Index = 0; Index < PXEBC_MAX_OFFER_NUM; Index++) {
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Private->Dhcp4Offers[Index].Packet.Offer.Size = PXEBC_CACHED_DHCP4_PACKET_MAX_SIZE;
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}
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//
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// Get the NII interface if it exists.
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//
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiNetworkInterfaceIdentifierProtocolGuid_31,
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(VOID **) &Private->Nii,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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Private->Nii = NULL;
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}
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Status = NetLibCreateServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiArpServiceBindingProtocolGuid,
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&Private->ArpChild
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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Status = gBS->OpenProtocol (
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Private->ArpChild,
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&gEfiArpProtocolGuid,
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(VOID **) &Private->Arp,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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Status = NetLibCreateServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiDhcp4ServiceBindingProtocolGuid,
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&Private->Dhcp4Child
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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Status = gBS->OpenProtocol (
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Private->Dhcp4Child,
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&gEfiDhcp4ProtocolGuid,
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(VOID **) &Private->Dhcp4,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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Status = NetLibCreateServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiIp4ServiceBindingProtocolGuid,
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&Private->Ip4Child
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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Status = gBS->OpenProtocol (
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Private->Ip4Child,
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&gEfiIp4ProtocolGuid,
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(VOID **) &Private->Ip4,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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//
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// Get max packet size from Ip4 to calculate block size for Tftp later.
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//
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Status = Private->Ip4->GetModeData (Private->Ip4, &Ip4ModeData, NULL, NULL);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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Private->Ip4MaxPacketSize = Ip4ModeData.MaxPacketSize;
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Status = NetLibCreateServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiMtftp4ServiceBindingProtocolGuid,
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&Private->Mtftp4Child
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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Status = gBS->OpenProtocol (
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Private->Mtftp4Child,
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&gEfiMtftp4ProtocolGuid,
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(VOID **) &Private->Mtftp4,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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Status = NetLibCreateServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiUdp4ServiceBindingProtocolGuid,
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&Private->Udp4ReadChild
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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//
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// The UDP instance for EfiPxeBcUdpRead
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//
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Status = gBS->OpenProtocol (
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Private->Udp4ReadChild,
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&gEfiUdp4ProtocolGuid,
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(VOID **) &Private->Udp4Read,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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//
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// The UDP instance for EfiPxeBcUdpWrite
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//
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Status = NetLibCreateServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiUdp4ServiceBindingProtocolGuid,
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&Private->Udp4WriteChild
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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Status = gBS->OpenProtocol (
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Private->Udp4WriteChild,
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&gEfiUdp4ProtocolGuid,
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(VOID **) &Private->Udp4Write,
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This->DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_BY_DRIVER
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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ZeroMem (&Private->Udp4CfgData, sizeof (EFI_UDP4_CONFIG_DATA));
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Private->Udp4CfgData.AcceptBroadcast = FALSE;
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Private->Udp4CfgData.AcceptPromiscuous = FALSE;
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Private->Udp4CfgData.AcceptAnyPort = TRUE;
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Private->Udp4CfgData.AllowDuplicatePort = TRUE;
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Private->Udp4CfgData.TypeOfService = DEFAULT_ToS;
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Private->Udp4CfgData.TimeToLive = DEFAULT_TTL;
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Private->Udp4CfgData.DoNotFragment = FALSE;
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Private->Udp4CfgData.ReceiveTimeout = PXEBC_DEFAULT_LIFETIME;
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Private->Udp4CfgData.UseDefaultAddress = FALSE;
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PxeBcInitSeedPacket (&Private->SeedPacket, Private->Udp4Read);
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Private->MacLen = Private->SeedPacket.Dhcp4.Header.HwAddrLen;
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CopyMem (&Private->Mac, &Private->SeedPacket.Dhcp4.Header.ClientHwAddr[0], Private->MacLen);
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ZeroMem (&Private->Ip4ConfigData, sizeof (EFI_IP4_CONFIG_DATA));
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Private->Ip4ConfigData.DefaultProtocol = EFI_IP_PROTO_ICMP;
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Private->Ip4ConfigData.AcceptIcmpErrors = TRUE;
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Private->Ip4ConfigData.TypeOfService = DEFAULT_ToS;
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Private->Ip4ConfigData.TimeToLive = DEFAULT_TTL;
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Private->Ip4ConfigData.DoNotFragment = FALSE;
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Private->Ip4ConfigData.RawData = FALSE;
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Status = gBS->InstallMultipleProtocolInterfaces (
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&ControllerHandle,
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&gEfiPxeBaseCodeProtocolGuid,
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&Private->PxeBc,
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&gEfiLoadFileProtocolGuid,
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&Private->LoadFile,
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NULL
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);
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if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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return EFI_SUCCESS;
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ON_ERROR:
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if (Private->Udp4WriteChild != NULL) {
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gBS->CloseProtocol (
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Private->Udp4WriteChild,
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&gEfiUdp4ProtocolGuid,
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This->DriverBindingHandle,
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ControllerHandle
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);
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NetLibDestroyServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiUdp4ServiceBindingProtocolGuid,
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Private->Udp4WriteChild
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);
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}
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if (Private->Udp4ReadChild != NULL) {
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gBS->CloseProtocol (
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Private->Udp4ReadChild,
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&gEfiUdp4ProtocolGuid,
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This->DriverBindingHandle,
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ControllerHandle
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);
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NetLibDestroyServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiUdp4ServiceBindingProtocolGuid,
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Private->Udp4ReadChild
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);
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}
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if (Private->Mtftp4Child != NULL) {
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gBS->CloseProtocol (
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Private->Mtftp4Child,
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&gEfiMtftp4ProtocolGuid,
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This->DriverBindingHandle,
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ControllerHandle
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);
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NetLibDestroyServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiMtftp4ServiceBindingProtocolGuid,
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Private->Mtftp4Child
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);
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}
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if (Private->Ip4Child != NULL) {
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gBS->CloseProtocol (
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Private->Ip4Child,
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&gEfiIp4ProtocolGuid,
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This->DriverBindingHandle,
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ControllerHandle
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);
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NetLibDestroyServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiIp4ServiceBindingProtocolGuid,
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Private->Ip4Child
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);
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}
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if (Private->Dhcp4Child != NULL) {
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gBS->CloseProtocol (
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Private->Dhcp4Child,
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&gEfiDhcp4ProtocolGuid,
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This->DriverBindingHandle,
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ControllerHandle
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);
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NetLibDestroyServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiDhcp4ServiceBindingProtocolGuid,
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Private->Dhcp4Child
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);
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}
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if (Private->ArpChild != NULL) {
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gBS->CloseProtocol (
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Private->ArpChild,
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&gEfiArpProtocolGuid,
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This->DriverBindingHandle,
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ControllerHandle
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);
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NetLibDestroyServiceChild (
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ControllerHandle,
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This->DriverBindingHandle,
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&gEfiArpServiceBindingProtocolGuid,
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Private->ArpChild
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);
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}
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FreePool (Private);
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return Status;
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}
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|
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/**
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Stop this driver on ControllerHandle. This service is called by the
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EFI boot service DisconnectController(). In order to
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make drivers as small as possible, there are a few calling
|
|
restrictions for this service. DisconnectController()
|
|
must follow these calling restrictions. If any other agent wishes
|
|
to call Stop() it must also follow these calling restrictions.
|
|
|
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@param This Protocol instance pointer.
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@param ControllerHandle Handle of device to stop driver on
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@param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
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children is zero stop the entire bus driver.
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@param ChildHandleBuffer List of Child Handles to Stop.
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@retval EFI_SUCCESS This driver is removed ControllerHandle
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@retval other This driver was not removed from this device
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**/
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EFI_STATUS
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EFIAPI
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PxeBcDriverBindingStop (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN UINTN NumberOfChildren,
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IN EFI_HANDLE *ChildHandleBuffer
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)
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{
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PXEBC_PRIVATE_DATA *Private;
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EFI_PXE_BASE_CODE_PROTOCOL *PxeBc;
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EFI_HANDLE NicHandle;
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EFI_STATUS Status;
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NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiArpProtocolGuid);
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if (NicHandle == NULL) {
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NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiDhcp4ProtocolGuid);
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if (NicHandle == NULL) {
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NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiIp4ProtocolGuid);
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if (NicHandle == NULL) {
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NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiUdp4ProtocolGuid);
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if (NicHandle == NULL) {
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NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiMtftp4ProtocolGuid);
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if (NicHandle == NULL) {
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return EFI_SUCCESS;
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}
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}
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}
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}
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}
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|
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Status = gBS->OpenProtocol (
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NicHandle,
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&gEfiPxeBaseCodeProtocolGuid,
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(VOID **) &PxeBc,
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This->DriverBindingHandle,
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ControllerHandle,
|
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
|
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|
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if (EFI_ERROR (Status)) {
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return Status;
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}
|
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|
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//
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|
// Stop functionality of PXE Base Code protocol
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//
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|
Status = PxeBc->Stop (PxeBc);
|
|
if (Status != EFI_SUCCESS && Status != EFI_NOT_STARTED) {
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return Status;
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}
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Private = PXEBC_PRIVATE_DATA_FROM_PXEBC (PxeBc);
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|
|
Status = gBS->UninstallMultipleProtocolInterfaces (
|
|
NicHandle,
|
|
&gEfiPxeBaseCodeProtocolGuid,
|
|
&Private->PxeBc,
|
|
&gEfiLoadFileProtocolGuid,
|
|
&Private->LoadFile,
|
|
NULL
|
|
);
|
|
|
|
if (!EFI_ERROR (Status)) {
|
|
|
|
gBS->CloseProtocol (
|
|
Private->Udp4WriteChild,
|
|
&gEfiUdp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
ControllerHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiUdp4ServiceBindingProtocolGuid,
|
|
Private->Udp4WriteChild
|
|
);
|
|
|
|
gBS->CloseProtocol (
|
|
Private->Udp4ReadChild,
|
|
&gEfiUdp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
NicHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiUdp4ServiceBindingProtocolGuid,
|
|
Private->Udp4ReadChild
|
|
);
|
|
|
|
gBS->CloseProtocol (
|
|
Private->Dhcp4Child,
|
|
&gEfiDhcp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
NicHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiDhcp4ServiceBindingProtocolGuid,
|
|
Private->Dhcp4Child
|
|
);
|
|
|
|
gBS->CloseProtocol (
|
|
Private->Mtftp4Child,
|
|
&gEfiMtftp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
NicHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiMtftp4ServiceBindingProtocolGuid,
|
|
Private->Mtftp4Child
|
|
);
|
|
|
|
gBS->CloseProtocol (
|
|
Private->Ip4Child,
|
|
&gEfiIp4ProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
NicHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiIp4ServiceBindingProtocolGuid,
|
|
Private->Ip4Child
|
|
);
|
|
|
|
gBS->CloseProtocol (
|
|
Private->ArpChild,
|
|
&gEfiArpProtocolGuid,
|
|
This->DriverBindingHandle,
|
|
NicHandle
|
|
);
|
|
NetLibDestroyServiceChild (
|
|
NicHandle,
|
|
This->DriverBindingHandle,
|
|
&gEfiArpServiceBindingProtocolGuid,
|
|
Private->ArpChild
|
|
);
|
|
|
|
FreePool (Private);
|
|
}
|
|
|
|
return Status;
|
|
}
|
|
|
|
|