netdev - Re: [PATCH net-next] vrf: add CRC32c offload to device features

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180525.153632.548234891667396122.davem@davemloft.net>
Date:   Fri, 25 May 2018 15:36:32 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     dcaratti@...hat.com
Cc:     dsa@...ulusnetworks.com, vyasevich@...il.com,
        marcelo.leitner@...il.com, linux-sctp@...r.kernel.org,
        netdev@...r.kernel.org
Subject: Re: [PATCH net-next] vrf: add CRC32c offload to device features

From: Davide Caratti <dcaratti@...hat.com>
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 <dcaratti@...hat.com>

David A., please review.