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SubjectRe: sendto syscall is slow
Martin Devera <> :
> Are you speaking about rewriting nic driver ? Like try to drain
> waiting packet from nic's memory while enqueuing new one ?

Partly: simply disabling Rx/Tx interrupt and checking for ack
in buffers descriptor during hard_start_xmit. The profile for
loopback shows your problem is not here however. :o(

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