1. Add EFI_COMPONENT_NAME2_PROTOCOL.GetControllerName() support.
2. Fix the driver binding Stop() hang issue in the network stack. 3. Add Ip4 raw data support. 4. Add iSCSI Dhcp option 60 support. Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Ouyang Qian <qian.ouyang@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13995 6f19259b-4bc3-4df7-8a09-765794883524
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@@ -31,7 +31,6 @@ EFI_SERVICE_BINDING_PROTOCOL gDhcp6ServiceBindingTemplate = {
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Dhcp6ServiceBindingDestroyChild
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};
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/**
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Configure the default Udp6Io to receive all the DHCP6 traffic
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on this network interface.
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@@ -155,7 +154,6 @@ Dhcp6CreateService (
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// Initialize the fields of the new Dhcp6 service.
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//
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Dhcp6Srv->Signature = DHCP6_SERVICE_SIGNATURE;
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Dhcp6Srv->InDestroy = FALSE;
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Dhcp6Srv->Controller = Controller;
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Dhcp6Srv->Image = ImageHandle;
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Dhcp6Srv->Xid = (0xffffff & NET_RANDOM (NetRandomInitSeed ()));
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@@ -328,6 +326,35 @@ Dhcp6CreateInstance (
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return EFI_SUCCESS;
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}
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/**
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Callback function which provided by user to remove one node in NetDestroyLinkList process.
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@param[in] Entry The entry to be removed.
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@param[in] Context Pointer to the callback context corresponds to the Context in NetDestroyLinkList.
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@retval EFI_SUCCESS The entry has been removed successfully.
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@retval Others Fail to remove the entry.
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**/
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EFI_STATUS
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Dhcp6DestroyChildEntry (
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IN LIST_ENTRY *Entry,
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IN VOID *Context
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)
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{
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DHCP6_INSTANCE *Instance;
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EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
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if (Entry == NULL || Context == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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Instance = NET_LIST_USER_STRUCT_S (Entry, DHCP6_INSTANCE, Link, DHCP6_INSTANCE_SIGNATURE);
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ServiceBinding = (EFI_SERVICE_BINDING_PROTOCOL *) Context;
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return ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);
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}
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/**
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Entry point of the DHCP6 driver to install various protocols.
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@@ -498,11 +525,11 @@ Dhcp6DriverBindingStop (
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)
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{
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EFI_STATUS Status;
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EFI_TPL OldTpl;
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EFI_HANDLE NicHandle;
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EFI_SERVICE_BINDING_PROTOCOL *ServiceBinding;
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DHCP6_SERVICE *Service;
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DHCP6_INSTANCE *Instance;
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LIST_ENTRY *List;
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UINTN ListLength;
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//
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// Find and check the Nic handle by the controller handle.
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@@ -510,7 +537,7 @@ Dhcp6DriverBindingStop (
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NicHandle = NetLibGetNicHandle (ControllerHandle, &gEfiUdp6ProtocolGuid);
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if (NicHandle == NULL) {
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return EFI_DEVICE_ERROR;
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return EFI_SUCCESS;
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}
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Status = gBS->OpenProtocol (
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@@ -527,50 +554,44 @@ Dhcp6DriverBindingStop (
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}
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Service = DHCP6_SERVICE_FROM_THIS (ServiceBinding);
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if (Service->InDestroy) {
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return EFI_SUCCESS;
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if (!IsListEmpty (&Service->Child)) {
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//
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// Destroy all the children instances before destory the service.
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//
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List = &Service->Child;
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Status = NetDestroyLinkList (
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List,
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Dhcp6DestroyChildEntry,
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ServiceBinding,
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&ListLength
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);
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if (EFI_ERROR (Status) || ListLength != 0) {
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Status = EFI_DEVICE_ERROR;
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}
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}
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OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
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if (NumberOfChildren == 0 && !IsListEmpty (&Service->Child)) {
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Status = EFI_DEVICE_ERROR;
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}
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if (NumberOfChildren == 0) {
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if (NumberOfChildren == 0 && IsListEmpty (&Service->Child)) {
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//
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// Destroy the service itself if no child instance left.
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//
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Service->InDestroy = TRUE;
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Status = gBS->UninstallProtocolInterface (
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NicHandle,
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&gEfiDhcp6ServiceBindingProtocolGuid,
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ServiceBinding
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);
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if (EFI_ERROR (Status)) {
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Service->InDestroy = FALSE;
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goto ON_EXIT;
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}
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Dhcp6DestroyService (Service);
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} else {
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//
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// Destroy all the children instances before destroy the service.
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//
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while (!IsListEmpty (&Service->Child)) {
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Instance = NET_LIST_HEAD (&Service->Child, DHCP6_INSTANCE, Link);
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ServiceBinding->DestroyChild (ServiceBinding, Instance->Handle);
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}
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//
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// Any of child failed to be destroyed.
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//
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if (Service->NumOfChild != 0) {
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Status = EFI_DEVICE_ERROR;
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}
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Status = EFI_SUCCESS;
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}
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ON_EXIT:
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gBS->RestoreTPL (OldTpl);
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return Status;
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}
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@@ -771,12 +792,13 @@ Dhcp6ServiceBindingDestroyChild (
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//
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// Uninstall the MTFTP6 protocol first to enable a top down destruction.
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//
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gBS->RestoreTPL (OldTpl);
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Status = gBS->UninstallProtocolInterface (
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ChildHandle,
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&gEfiDhcp6ProtocolGuid,
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Dhcp6
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);
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OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
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if (EFI_ERROR (Status)) {
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Instance->InDestroy = FALSE;
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gBS->RestoreTPL (OldTpl);
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@@ -789,9 +811,8 @@ Dhcp6ServiceBindingDestroyChild (
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RemoveEntryList (&Instance->Link);
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Service->NumOfChild--;
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Dhcp6DestroyInstance (Instance);
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gBS->RestoreTPL (OldTpl);
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Dhcp6DestroyInstance (Instance);
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return EFI_SUCCESS;
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}
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