Thanks Ye Ting for help.
Yes I am doing the same.
Status = SystemTable->BootServices->LocateHandleBuffer (
ByProtocol,
&gEfiTcp4ServiceBindingProtocolGuid,
NULL,
&HandleCount,
&Handles
);
But Status returned is failure. If TCP4Dxe driver is loaded and I am able
to connect to it from the Shell, should not it be able to locate this
handle for protocol gEfiTcp4ServiceBindingProtocolGuid?
Thanks,
Ritesh
On Wed, Mar 11, 2015 at 6:59 AM, Ye, Ting <[email protected]> wrote:
> Hi,
>
>
>
> You could use gBS->LocateHandleBuffer() to locate the controller handle
> which has the service installed. In your example, you could use
> gEfiTcp4ServiceBindingProtocolGuid as protocol GUID.
>
>
>
> Best Regards,
>
> Ye Ting
>
>
>
> *From:* Ritesh Tiwari [mailto:[email protected]]
> *Sent:* Wednesday, March 11, 2015 3:14 AM
> *To:* [email protected]
> *Subject:* [edk2] Controller Handle in NetLibCreateServiceChild()
>
>
>
> Hi,
>
>
>
> I am trying to create a TCP4 child using NetLibCreateServiceChild(). The
> first input parameter of this API is a controller (The controller which has
> the service installed). My very basic question is how to get this
> controller handle?
>
>
>
> Here is the signature of this API -
>
>
>
> @param[in] Controller The controller which has the
> service installed.
>
> @param[in] Image The image handle used to open
> service.
>
>
>
> NetLibCreateServiceChild (
>
> IN EFI_HANDLE Controller,
>
> IN EFI_HANDLE Image,
>
> IN EFI_GUID *ServiceBindingGuid,
>
> IN OUT EFI_HANDLE *ChildHandle
>
> )
>
>
>
> The main goal is to create a TCP connection to a remote host.
>
>
>
> Thanks.
>
>
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