Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

How to bypass checksum calculation?

To speed up transmition of udp packet, i tried to bypass the checksum calculation by modifying 2 lines of file opt.h in folder: ...\components\altera_lwip\UCOSII\src\downloads\lwip-1.10\src\in...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

Hi Danny,

Thank you. But it's very strange, after doing that you told me above and re-building my project, still no improvement. I find that your method has the same effect with that i did by following up the trace of the udp routine by putting some printf() phrase at place interested.

it's true, the routine has jumped over checksum calculation, but the result is still not good. Any idea else?

johnd