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Altera_Forum
Honored Contributor
Honored Contributormaximum ethernet speed
Hello! simple question: what are your experiences about the network speed with nios2 and lwip stack? my scenario: nios2 @ 75MHz lwip stack udp packages 1500 bytes (loop sending alway...
Altera_ForumHonored Contributor
Honored Contributor --- Quote Start --- originally posted by revolt@Oct 18 2005, 03:22 PM there is a discrete block of vhdl between the nios and mac/phy. in my application i only use udp packets, so i never tested it with tcp packets.
regards
revolt
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--- Quote End --- i see, we are using strictly TCP right now ive been working on the LWIP stack code, and to my horror simple tests about the amount of clock cycles needed for CRC seemed to indicate a cpu usage of 99.6% http://forum.niosforum.com/work2/style_emoticons/<#EMO_DIR#>/blink.gif so needless to say i am gonna try and accelerate that process somehow, because this is plain ridiculous...
