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 <ax...@kernel.dk> -- Jens Axboe
