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Altera_Forum's avatar
Altera_Forum
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14 years ago

The performance question about Triple-speed ethernet

After several days hard work, I can ping my DE2-115(from terasic.com and FPAG is Cyclone IV E EP4CE115F29C7). But the performance is not good enough. The Ethernet data flow is that using 88E1111 a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

If you do the ARP/ICMP handling in hardware then something is definitely wrong in the packet handling. The TSE has a latency of only a few clock cycles so it can't be responsible for such a big delay in the ICMP response.

You could use SignalTap to check out the stream outputs in and out of the TSE to measure your system actual time response.

Could you describe a bit your hardware ARP and ICMP implementations?