From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] vrf: add CRC32c offload to device features Date: Mon, 28 May 2018 22:55:42 -0400 (EDT) Message-ID: <20180528.225542.1722255732303958123.davem@davemloft.net> References: Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: 8BIT Cc: dsa@cumulusnetworks.com, vyasevich@gmail.com, marcelo.leitner@gmail.com, linux-sctp@vger.kernel.org, netdev@vger.kernel.org To: dcaratti@redhat.com Return-path: Received: from shards.monkeyblade.net ([184.105.139.130]:48872 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030894AbeE2Czo (ORCPT ); Mon, 28 May 2018 22:55:44 -0400 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Davide Caratti Date: Thu, 24 May 2018 17:49:35 +0200 > SCTP sockets originated in a VRF can improve their performance if CRC32c > computation is delegated to underlying devices: update device features, > setting NETIF_F_SCTP_CRC. Iterating the following command in the topology > proposed with [1], > > # ip vrf exec vrf-h2 netperf -H 192.0.2.1 -t SCTP_STREAM -- -m 10K > > the measured throughput in Mbit/s improved from 2395 ± 1% to 2720 ± 1%. > > [1] https://www.spinics.net/lists/netdev/msg486007.html > > Signed-off-by: Davide Caratti Applied, thank you.