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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<div class='quotetop'>QUOTE </div>
--- Quote Start --- that would cap the datarate at 100 mbit exactly, so there wouldnt be a point in using a Gbit lan mac[/b] --- Quote End --- I searched a litte more and found a PHY IC from National (DP83865) that have a 8 bit wide interface (GMII) @25MHz. Then you have 200Mbit. <div class='quotetop'>QUOTE </div> --- Quote Start --- by the way, revolt, you said you did the checksum in HW, i asume this is a function normally done by the lwip? like CRC?[/b] --- Quote End --- The checksum calculation for the UDP packets is done by HW. Normally it is calculated by the lwip stack.
