Hello. On my IDS workload with af_packet I can see rx_missed_errors growing while rx_no_buffer_count does not. Basically every other kind of rx_ error counter is 0, including rx_no_dma_resources. It's an 82599 based card.
I don't know what to think about that. I went through ixgbe source code and the 82599 datasheet and seems like rx_missed_error means a new packet overwrote something already in the packet buffer (FIFO queue on the card) because there was no more space in it. Now, that would happen if there is no place to DMA packets into - but that counter does not grow. Could you point me to where should I be looking for a problem? -- Michal Purzynski
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