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Eric Dumazet says: ==================== net_sched: sch_fq: enable in-kernel pacing for QUIC servers Willem added GSO support to UDP stack, greatly improving performance of QUIC servers. We also want to enable in-kernel pacing, which is possible thanks to EDT model, since each sendmsg() can provide a timestamp for the skbs. We have to change sch_fq to enable feeding packets in arbitrary EDT order, and make sure that packet classification do not trust unconnected sockets. Note that this patch series also is a prereq for a future TCP change enabling per-flow delays/reorders/losses to implement high performance TCP emulators. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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