On 4/5/2019 1:05 PM, Andrew Rybchenko wrote:
> Rx refill in one bulk (which is just 8 descriptors) by default is too
> aggressive and makes too many MMIO writes (Rx doorbells) if packet rate
> is high. Setting default to 1/8 of Rx descriptors number shows good
> performance results. Anyway it is a
Rx refill in one bulk (which is just 8 descriptors) by default is too
aggressive and makes too many MMIO writes (Rx doorbells) if packet rate
is high. Setting default to 1/8 of Rx descriptors number shows good
performance results. Anyway it is a default value which may be
overridden by Rx configura
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