Add NetworkPkg (P.UDK2010.UP3.Network.P1)
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10986 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
hhtian
703
NetworkPkg/Mtftp6Dxe/Mtftp6Driver.c
Normal file
703
NetworkPkg/Mtftp6Dxe/Mtftp6Driver.c
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@@ -0,0 +1,703 @@
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/** @file
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Driver Binding functions and Service Binding functions
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implementation for Mtftp6 Driver.
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Copyright (c) 2009 - 2010, 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 "Mtftp6Impl.h"
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EFI_DRIVER_BINDING_PROTOCOL gMtftp6DriverBinding = {
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Mtftp6DriverBindingSupported,
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Mtftp6DriverBindingStart,
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Mtftp6DriverBindingStop,
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0xa,
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NULL,
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NULL
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};
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EFI_SERVICE_BINDING_PROTOCOL gMtftp6ServiceBindingTemplate = {
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Mtftp6ServiceBindingCreateChild,
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Mtftp6ServiceBindingDestroyChild
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};
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/**
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Destory the MTFTP6 service. The MTFTP6 service may be partly initialized,
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or partly destroyed. If a resource is destroyed, it is marked as such in
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case the destroy failed and is called again later.
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@param[in] Service The MTFTP6 service to be destroyed.
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**/
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VOID
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Mtftp6DestroyService (
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IN MTFTP6_SERVICE *Service
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)
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{
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//
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// Make sure all children instances have been already destoryed.
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//
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ASSERT (Service->ChildrenNum == 0);
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if (Service->DummyUdpIo != NULL) {
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UdpIoFreeIo (Service->DummyUdpIo);
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}
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if (Service->Timer != NULL) {
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gBS->CloseEvent (Service->Timer);
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}
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FreePool (Service);
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}
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/**
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Create then initialize a MTFTP6 service binding instance.
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@param[in] Controller The controller to install the MTFTP6 service
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binding on.
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@param[in] Image The driver binding image of the MTFTP6 driver.
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@param[out] Service The variable to receive the created service
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binding instance.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resources to create the instance
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@retval EFI_DEVICE_ERROR Failed to create a NULL UDP port to keep connection with UDP.
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@retval EFI_SUCCESS The service instance is created for the controller.
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**/
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EFI_STATUS
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Mtftp6CreateService (
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IN EFI_HANDLE Controller,
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IN EFI_HANDLE Image,
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OUT MTFTP6_SERVICE **Service
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)
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{
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MTFTP6_SERVICE *Mtftp6Srv;
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EFI_STATUS Status;
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ASSERT (Service != NULL);
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*Service = NULL;
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Mtftp6Srv = AllocateZeroPool (sizeof (MTFTP6_SERVICE));
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if (Mtftp6Srv == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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Mtftp6Srv->Signature = MTFTP6_SERVICE_SIGNATURE;
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Mtftp6Srv->Controller = Controller;
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Mtftp6Srv->Image = Image;
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Mtftp6Srv->InDestory = FALSE;
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Mtftp6Srv->ChildrenNum = 0;
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CopyMem (
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&Mtftp6Srv->ServiceBinding,
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&gMtftp6ServiceBindingTemplate,
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sizeof (EFI_SERVICE_BINDING_PROTOCOL)
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);
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InitializeListHead (&Mtftp6Srv->Children);
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//
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// Create a internal timer for all instances.
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//
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Status = gBS->CreateEvent (
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EVT_NOTIFY_SIGNAL | EVT_TIMER,
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TPL_CALLBACK,
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Mtftp6OnTimerTick,
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Mtftp6Srv,
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&Mtftp6Srv->Timer
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);
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if (EFI_ERROR (Status)) {
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FreePool (Mtftp6Srv);
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return Status;
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}
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//
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// Create a dummy Udp6Io to build parent-child relationship between Udp6 driver
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// and Mtftp6 driver.
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//
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Mtftp6Srv->DummyUdpIo = UdpIoCreateIo (
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Controller,
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Image,
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Mtftp6ConfigDummyUdpIo,
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UDP_IO_UDP6_VERSION,
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NULL
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);
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if (Mtftp6Srv->DummyUdpIo == NULL) {
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gBS->CloseEvent (Mtftp6Srv->Timer);
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FreePool (Mtftp6Srv);
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return EFI_DEVICE_ERROR;
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}
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*Service = Mtftp6Srv;
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return EFI_SUCCESS;
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}
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/**
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Destroy the MTFTP6 instance and recycle the resources.
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@param[in] Instance The pointer to the MTFTP6 instance.
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**/
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VOID
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Mtftp6DestroyInstance (
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IN MTFTP6_INSTANCE *Instance
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)
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{
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LIST_ENTRY *Entry;
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LIST_ENTRY *Next;
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MTFTP6_BLOCK_RANGE *Block;
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if (Instance->Config != NULL) {
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FreePool (Instance->Config);
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}
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if (Instance->Token != NULL && Instance->Token->Event != NULL) {
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gBS->SignalEvent (Instance->Token->Event);
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}
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if (Instance->LastPacket != NULL) {
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NetbufFree (Instance->LastPacket);
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}
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if (Instance->UdpIo!= NULL) {
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UdpIoFreeIo (Instance->UdpIo);
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}
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if (Instance->McastUdpIo != NULL) {
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UdpIoFreeIo (Instance->McastUdpIo);
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}
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NET_LIST_FOR_EACH_SAFE (Entry, Next, &Instance->BlkList) {
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Block = NET_LIST_USER_STRUCT (Entry, MTFTP6_BLOCK_RANGE, Link);
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RemoveEntryList (Entry);
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FreePool (Block);
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}
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FreePool (Instance);
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}
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/**
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Create the MTFTP6 instance and initialize it.
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@param[in] Service The pointer to the MTFTP6 service.
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@param[out] Instance The pointer to the MTFTP6 instance.
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@retval EFI_OUT_OF_RESOURCES Failed to allocate resources.
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@retval EFI_SUCCESS The MTFTP6 instance is created.
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**/
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EFI_STATUS
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Mtftp6CreateInstance (
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IN MTFTP6_SERVICE *Service,
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OUT MTFTP6_INSTANCE **Instance
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)
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{
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MTFTP6_INSTANCE *Mtftp6Ins;
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*Instance = NULL;
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Mtftp6Ins = AllocateZeroPool (sizeof (MTFTP6_INSTANCE));
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if (Mtftp6Ins == NULL) {
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return EFI_OUT_OF_RESOURCES;
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}
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Mtftp6Ins->Signature = MTFTP6_INSTANCE_SIGNATURE;
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Mtftp6Ins->InDestory = FALSE;
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Mtftp6Ins->Service = Service;
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CopyMem (
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&Mtftp6Ins->Mtftp6,
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&gMtftp6ProtocolTemplate,
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sizeof (EFI_MTFTP6_PROTOCOL)
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);
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InitializeListHead (&Mtftp6Ins->Link);
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InitializeListHead (&Mtftp6Ins->BlkList);
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*Instance = Mtftp6Ins;
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return EFI_SUCCESS;
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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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Entry point of the MTFTP6 driver to install various protocols.
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@param[in] ImageHandle The firmware allocated handle for the UEFI image.
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@param[in] SystemTable The 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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Mtftp6DriverEntryPoint (
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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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&gMtftp6DriverBinding,
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ImageHandle,
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&gMtftp6ComponentName,
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&gMtftp6ComponentName2
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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 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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@param[in] This Protocol instance pointer.
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@param[in] ControllerHandle Handle of device to test
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@param[in] 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 Others 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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Mtftp6DriverBindingSupported (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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{
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return gBS->OpenProtocol (
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Controller,
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&gEfiUdp6ServiceBindingProtocolGuid,
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NULL,
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This->DriverBindingHandle,
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Controller,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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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 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[in] This Protocol instance pointer.
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@param[in] ControllerHandle Handle of device to bind driver to.
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@param[in] 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 Others 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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Mtftp6DriverBindingStart (
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IN EFI_DRIVER_BINDING_PROTOCOL *This,
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IN EFI_HANDLE Controller,
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IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
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)
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{
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MTFTP6_SERVICE *Service;
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EFI_STATUS Status;
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//
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// Directly return if driver is already running on this Nic handle.
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//
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Status = gBS->OpenProtocol (
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Controller,
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&gEfiMtftp6ServiceBindingProtocolGuid,
|
||||
NULL,
|
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This->DriverBindingHandle,
|
||||
Controller,
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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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return EFI_ALREADY_STARTED;
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}
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//
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// Create Mtftp6 service for this Nic handle
|
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//
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||||
Status = Mtftp6CreateService (
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Controller,
|
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This->DriverBindingHandle,
|
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&Service
|
||||
);
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||||
|
||||
if (EFI_ERROR (Status)) {
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return Status;
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}
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||||
ASSERT (Service != NULL);
|
||||
|
||||
//
|
||||
// Start the internal timer to track the packet retransmission.
|
||||
//
|
||||
Status = gBS->SetTimer (
|
||||
Service->Timer,
|
||||
TimerPeriodic,
|
||||
TICKS_PER_SECOND
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
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goto ON_ERROR;
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}
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||||
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||||
//
|
||||
// Install the Mtftp6 service on the Nic handle.
|
||||
//
|
||||
Status = gBS->InstallMultipleProtocolInterfaces (
|
||||
&Controller,
|
||||
&gEfiMtftp6ServiceBindingProtocolGuid,
|
||||
&Service->ServiceBinding,
|
||||
NULL
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
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||||
goto ON_ERROR;
|
||||
}
|
||||
|
||||
return EFI_SUCCESS;
|
||||
|
||||
ON_ERROR:
|
||||
|
||||
Mtftp6DestroyService (Service);
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Stop this driver on ControllerHandle. This service is called by the
|
||||
EFI boot service DisconnectController(). In order to
|
||||
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.
|
||||
|
||||
@param[in] This Protocol instance pointer.
|
||||
@param[in] ControllerHandle Handle of device to stop driver on
|
||||
@param[in] NumberOfChildren Number of Handles in ChildHandleBuffer. If number of
|
||||
children is zero, stop the entire bus driver.
|
||||
@param[in] ChildHandleBuffer List of Child Handles to Stop.
|
||||
|
||||
@retval EFI_SUCCESS This driver is removed ControllerHandle.
|
||||
@retval EFI_DEVICE_ERROR An unexpected error.
|
||||
@retval Others This driver was not removed from this device.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
Mtftp6DriverBindingStop (
|
||||
IN EFI_DRIVER_BINDING_PROTOCOL *This,
|
||||
IN EFI_HANDLE Controller,
|
||||
IN UINTN NumberOfChildren,
|
||||
IN EFI_HANDLE *ChildHandleBuffer
|
||||
)
|
||||
{
|
||||
EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
|
||||
MTFTP6_SERVICE *Service;
|
||||
MTFTP6_INSTANCE *Instance;
|
||||
EFI_HANDLE NicHandle;
|
||||
EFI_STATUS Status;
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
//
|
||||
// Locate the Nic handle to retrieve the Mtftp6 private data.
|
||||
//
|
||||
NicHandle = NetLibGetNicHandle (Controller, &gEfiUdp6ProtocolGuid);
|
||||
|
||||
if (NicHandle == NULL) {
|
||||
return EFI_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
Status = gBS->OpenProtocol (
|
||||
NicHandle,
|
||||
&gEfiMtftp6ServiceBindingProtocolGuid,
|
||||
(VOID **) &ServiceBinding,
|
||||
This->DriverBindingHandle,
|
||||
NicHandle,
|
||||
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
return EFI_DEVICE_ERROR;
|
||||
}
|
||||
|
||||
Service = MTFTP6_SERVICE_FROM_THIS (ServiceBinding);
|
||||
|
||||
if (Service->InDestory) {
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
|
||||
|
||||
if (NumberOfChildren == 0) {
|
||||
//
|
||||
// Destory the Mtftp6 service if there is no Mtftp6 child instance left.
|
||||
//
|
||||
Service->InDestory = TRUE;
|
||||
|
||||
gBS->UninstallProtocolInterface (
|
||||
NicHandle,
|
||||
&gEfiMtftp6ServiceBindingProtocolGuid,
|
||||
ServiceBinding
|
||||
);
|
||||
|
||||
Mtftp6DestroyService (Service);
|
||||
|
||||
} else {
|
||||
//
|
||||
// Destory the Mtftp6 child instance one by one.
|
||||
//
|
||||
while (!IsListEmpty (&Service->Children)) {
|
||||
Instance = NET_LIST_HEAD (&Service->Children, MTFTP6_INSTANCE, Link);
|
||||
Mtftp6ServiceBindingDestroyChild (ServiceBinding, Instance->Handle);
|
||||
}
|
||||
|
||||
if (Service->ChildrenNum != 0) {
|
||||
Status = EFI_DEVICE_ERROR;
|
||||
}
|
||||
}
|
||||
|
||||
gBS->RestoreTPL (OldTpl);
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Creates a child handle and installs a protocol.
|
||||
|
||||
The CreateChild() function installs a protocol on ChildHandle.
|
||||
If ChildHandle is a pointer to NULL, then a new handle is created and returned in ChildHandle.
|
||||
If ChildHandle is not a pointer to NULL, then the protocol installs on the existing ChildHandle.
|
||||
|
||||
@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
|
||||
@param[in, out] ChildHandle Pointer to the handle of the child to create. If it is NULL,
|
||||
then a new handle is created. If it is a pointer to an existing
|
||||
UEFI handle, then the protocol is added to the existing UEFI handle.
|
||||
|
||||
@retval EFI_SUCCES The protocol was added to ChildHandle.
|
||||
@retval EFI_INVALID_PARAMETER ChildHandle is NULL.
|
||||
@retval Others The child handle was not created.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
Mtftp6ServiceBindingCreateChild (
|
||||
IN EFI_SERVICE_BINDING_PROTOCOL *This,
|
||||
IN OUT EFI_HANDLE *ChildHandle
|
||||
)
|
||||
{
|
||||
MTFTP6_SERVICE *Service;
|
||||
MTFTP6_INSTANCE *Instance;
|
||||
EFI_STATUS Status;
|
||||
EFI_TPL OldTpl;
|
||||
VOID *Udp6;
|
||||
|
||||
if (This == NULL || ChildHandle == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
Service = MTFTP6_SERVICE_FROM_THIS (This);
|
||||
|
||||
Status = Mtftp6CreateInstance (Service, &Instance);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
return Status;
|
||||
}
|
||||
|
||||
ASSERT (Instance != NULL);
|
||||
|
||||
//
|
||||
// Install the Mtftp6 protocol on the new child handle.
|
||||
//
|
||||
Status = gBS->InstallMultipleProtocolInterfaces (
|
||||
ChildHandle,
|
||||
&gEfiMtftp6ProtocolGuid,
|
||||
&Instance->Mtftp6,
|
||||
NULL
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
goto ON_ERROR;
|
||||
}
|
||||
|
||||
Instance->Handle = *ChildHandle;
|
||||
|
||||
//
|
||||
// Open the Udp6 protocol by child.
|
||||
//
|
||||
Status = gBS->OpenProtocol (
|
||||
Service->DummyUdpIo->UdpHandle,
|
||||
&gEfiUdp6ProtocolGuid,
|
||||
(VOID **) &Udp6,
|
||||
gMtftp6DriverBinding.DriverBindingHandle,
|
||||
Instance->Handle,
|
||||
EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
gBS->UninstallMultipleProtocolInterfaces (
|
||||
Instance->Handle,
|
||||
&gEfiMtftp6ProtocolGuid,
|
||||
&Instance->Mtftp6,
|
||||
NULL
|
||||
);
|
||||
|
||||
goto ON_ERROR;
|
||||
}
|
||||
|
||||
//
|
||||
// Add the new Mtftp6 instance into the children list of Mtftp6 service.
|
||||
//
|
||||
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
|
||||
|
||||
InsertTailList (&Service->Children, &Instance->Link);
|
||||
Service->ChildrenNum++;
|
||||
|
||||
gBS->RestoreTPL (OldTpl);
|
||||
return EFI_SUCCESS;
|
||||
|
||||
ON_ERROR:
|
||||
|
||||
Mtftp6DestroyInstance (Instance);
|
||||
return Status;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
Destroys a child handle with a protocol installed on it.
|
||||
|
||||
The DestroyChild() function does the opposite of CreateChild(). It removes a protocol
|
||||
that was installed by CreateChild() from ChildHandle. If the removed protocol is the
|
||||
last protocol on ChildHandle, then ChildHandle is destroyed.
|
||||
|
||||
@param[in] This Pointer to the EFI_SERVICE_BINDING_PROTOCOL instance.
|
||||
@param[in] ChildHandle Handle of the child to destroy.
|
||||
|
||||
@retval EFI_SUCCES The protocol was removed from ChildHandle.
|
||||
@retval EFI_UNSUPPORTED ChildHandle does not support the protocol that is being removed.
|
||||
@retval EFI_INVALID_PARAMETER Child handle is not a valid UEFI Handle.
|
||||
@retval Others The child handle was not destroyed
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
Mtftp6ServiceBindingDestroyChild (
|
||||
IN EFI_SERVICE_BINDING_PROTOCOL *This,
|
||||
IN EFI_HANDLE ChildHandle
|
||||
)
|
||||
{
|
||||
MTFTP6_SERVICE *Service;
|
||||
MTFTP6_INSTANCE *Instance;
|
||||
EFI_MTFTP6_PROTOCOL *Mtftp6;
|
||||
EFI_STATUS Status;
|
||||
EFI_TPL OldTpl;
|
||||
|
||||
if (This == NULL || ChildHandle == NULL) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
//
|
||||
// Locate the Nic handle to retrieve the Mtftp6 private data.
|
||||
//
|
||||
Status = gBS->OpenProtocol (
|
||||
ChildHandle,
|
||||
&gEfiMtftp6ProtocolGuid,
|
||||
(VOID **) &Mtftp6,
|
||||
gMtftp6DriverBinding.DriverBindingHandle,
|
||||
ChildHandle,
|
||||
EFI_OPEN_PROTOCOL_GET_PROTOCOL
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
Instance = MTFTP6_INSTANCE_FROM_THIS (Mtftp6);
|
||||
Service = MTFTP6_SERVICE_FROM_THIS (This);
|
||||
|
||||
if (Instance->Service != Service) {
|
||||
return EFI_INVALID_PARAMETER;
|
||||
}
|
||||
|
||||
//
|
||||
// Check whether the instance already in destory state.
|
||||
//
|
||||
if (Instance->InDestory) {
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
|
||||
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
|
||||
|
||||
Instance->InDestory = TRUE;
|
||||
|
||||
gBS->CloseProtocol (
|
||||
Service->DummyUdpIo->UdpHandle,
|
||||
&gEfiUdp6ProtocolGuid,
|
||||
gMtftp6DriverBinding.DriverBindingHandle,
|
||||
ChildHandle
|
||||
);
|
||||
|
||||
//
|
||||
// Uninstall the MTFTP6 protocol first to enable a top down destruction.
|
||||
//
|
||||
Status = gBS->UninstallProtocolInterface (
|
||||
ChildHandle,
|
||||
&gEfiMtftp6ProtocolGuid,
|
||||
Mtftp6
|
||||
);
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
||||
Instance->InDestory = FALSE;
|
||||
gBS->RestoreTPL (OldTpl);
|
||||
return Status;
|
||||
}
|
||||
|
||||
//
|
||||
// Remove the Mtftp6 instance from the children list of Mtftp6 service.
|
||||
//
|
||||
RemoveEntryList (&Instance->Link);
|
||||
Service->ChildrenNum --;
|
||||
|
||||
Mtftp6DestroyInstance (Instance);
|
||||
|
||||
gBS->RestoreTPL (OldTpl);
|
||||
|
||||
return EFI_SUCCESS;
|
||||
}
|
||||
Reference in New Issue
Block a user