might this still make it into 5.11? On Thu, Dec 17, 2020 at 3:49 PM Jens Axboe <axboe@xxxxxxxxx> wrote: > > On 12/16/20 3:56 PM, Victor Stewart wrote: > > This patch adds PROTO_CMSG_DATA_ONLY to inet_dgram_ops and inet6_dgram_ops so that UDP_SEGMENT (GSO) and UDP_GRO can be used through io_uring. > > > > GSO and GRO are vital to bring QUIC servers on par with TCP throughputs, and together offer a higher > > throughput gain than io_uring alone (rate of data transit > > considering), thus io_uring is presently the lesser performance choice. > > > > RE http://vger.kernel.org/lpc_net2018_talks/willemdebruijn-lpc2018-udpgso-paper-DRAFT-1.pdf, > > GSO is about +~63% and GRO +~82%. > > > > this patch closes that loophole. > > LGTM > > Acked-by: Jens Axboe <axboe@xxxxxxxxx> > > -- > Jens Axboe >