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Altera_Forum's avatar
Altera_Forum
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21 years ago

Ethernet and DMA

Hi everyone, I'm working with a LwIP Stack (only using UDP) and make some timing measurements to find the nottlenecks of the stack. So I saw that the data transfer to the SMSC chip needs...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

Don't know if this is useful or not but for a UDP datagram you don't have to

necessarily perform a checksum calculation, i.e. a UDP datagram with

all zeroes checksum field is legal.

I don't know if there's an option in the off the shelf software to support that,

but it would speed up your throughput.

Alan