Yes, load TCP4Dxe without any error does not mean TCP4 service binding protocol
is installed.
You need SnpNt32Io.dll, not SnpNt32Dxe.dll, locating at the same directory with
SnpNt32Dxe.efi (could be .....\Build\NT32IA32\DEBUG_VS2010x86\IA32)
Best Regards,
Ye Ting
From: Ritesh Tiwari [mailto:ritesh.tiw...@seagate.com]
Sent: Wednesday, March 11, 2015 11:13 AM
To: edk2-devel@lists.sourceforge.net
Subject: Re: [edk2] Controller Handle in NetLibCreateServiceChild()
So that means even if TCP4Dxe is loaded without any error (at least I don't see
any on console) even then its possible TCP4 service is not running?
I tried to load SnpNt32Dxe. But its failing too:
fsnt0:> load SnpNt32Dxe.efi
load: Image fsnt0:\SnpNt32Dxe.efi error - Not Found.
SnpNt32Dxe.dll is also present at
C:\MyWorkSpace\Build\NT32IA32\DEBUG_VS2010x86\IA32\Nt32Pkg\SnpNt32Dxe\SnpNt32Dxe\DEBUG
Thanks,
Ritesh
On Wed, Mar 11, 2015 at 8:19 AM, Ye, Ting
<ting...@intel.com<mailto:ting...@intel.com>> wrote:
Hi Ritesh,
Load TCP4 driver will install TCP4 Driver Binding protocol and component name
protocol, while the Tcp4ServiceBindingProtocol is installed only when TCP4
driver is started successfully. To start TCP4 driver, the required modules like
IP/ARP/MNP/SNP,etc. need be connected and started first. As I mentioed in
another mail, if you are using NT32 platform, please check whether you have
your SnpNt32Dxe module working now.
Best Regards,
Ye Ting
From: Ritesh Tiwari
[mailto:ritesh.tiw...@seagate.com<mailto:ritesh.tiw...@seagate.com>]
Sent: Wednesday, March 11, 2015 10:40 AM
To: edk2-devel@lists.sourceforge.net<mailto:edk2-devel@lists.sourceforge.net>
Subject: Re: [edk2] Controller Handle in NetLibCreateServiceChild()
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
<ting...@intel.com<mailto:ting...@intel.com>> 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:ritesh.tiw...@seagate.com<mailto:ritesh.tiw...@seagate.com>]
Sent: Wednesday, March 11, 2015 3:14 AM
To: edk2-devel@lists.sourceforge.net<mailto:edk2-devel@lists.sourceforge.net>
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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