We don’t have plan to support Cancel() interface. According to UEFI spec,
EFI_UNSUPPORTED is a permitted returned status of TCP->Cancel().
Best Regards,
Ye Ting
From: Thomas Rognon [mailto:tcrog...@gmail.com]
Sent: Tuesday, August 26, 2014 10:45 AM
To: edk2-devel
Subject: [edk2] EFI_TCP4_PROTOCOL->Cancel() not implemented
Is there any plan to implement EFI_TCP4_PROTOCOL->Cancel()? Right now it's just
a stub that returns EFI_UNSUPPORTED.
https://github.com/tianocore/edk2/blob/master/MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Main.c
I'll have to use timers again to hack my way around this.
Also, TcpIoLib's TcpIoReceive() relies on Cancel() and thus breaks after an
EFI_TIMEOUT since Cancel() doesn't do anything.
Thomas Rognon
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