--------- Original Message --------- Sender : Eric Dumazet <eric.duma...@gmail.com> Date : 2018-11-08 10:44 (GMT+9) Title : Re: [Kernel][NET] Bug report on packet defragmenting > On 11/07/2018 05:29 PM, 배석진 wrote: > > > If ipv6_defrag hook is not excuted simultaneously, then it's ok. > > ipv6_defrag hook can handle that. [exam 3] > > This seems wrong. > > This is the root cause, we should not try to work around it but fix it. > > There is no guarantee that RSS/RPS/RFS can help here, packets can sit in > per-cpu > backlogs long enough to reproduce the issue, if RX queues interrupts are > spread > over many cpus.
Dear Dumazet, Even if rx irq be spread to overal cpu, hash will be made by src/des address. then they'll have a same hash and cpu. is it not enough? Did you mean that we need total solution for all steering method? not just only RPS? Best regards.
