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Dzar's avatar
Dzar
Icon for Occasional Contributor rankOccasional Contributor
7 years ago

What could explain a packet getting stuck in the HPS MAC on RX?

I am using a Cyclone V with dual-Arm processors in an SOC design where we use the HPS MAC to receive packets from a server. We have seen a problem where, using high packet-per-second rates, we see th...
Ahmed_H_Intel1's avatar
Ahmed_H_Intel1
Icon for Frequent Contributor rankFrequent Contributor
7 years ago

Hi,

The DMA is made flexible for your use, I don't have answer why this is not the default. It isn't normal to have packet stuck in the descriptors if every thing been set correctly. Can you tell me how you used the DFF to fix this? Does everything working fine with you now?.

Regards.