[ipxe-devel] PXENV_UDP_WRITE

Simon Rowe simon.rowe at eu.citrix.com
Wed Feb 15 16:34:40 UTC 2012

On Sunday 12 February 2012 13:38:43 Michael Brown wrote:

> PXE will never block on PXENV_UDP_WRITE.  As you describe, an ARP request 
> will be sent instead of the UDP packet.  Since UDP is an unreliable
> protocol,  the caller must be prepared to retransmit the UDP packet, at
> which point hopefully the ARP response will have been received and the UDP
> packet can be sent.

Is returning AX=0 from PXENV_UDP_WRITE the correct action or should some 
indication be given to the caller that the UDP packet was discarded?


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