netdev - Re: [virtio-dev] [PATCH v6 0/2] Improve virtio performance for 9k mtu

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: <68934c1a-6c75-f410-2c29-1a7edc97aeb9@nvidia.com>
Date:   Thu, 29 Sep 2022 14:50:00 +0800
From:   Gavin Li <gavinl@...dia.com>
To:     mst@...hat.com, stephen@...workplumber.org, davem@...emloft.net,
        jesse.brandeburg@...el.com, kuba@...nel.org,
        sridhar.samudrala@...el.com, jasowang@...hat.com,
        loseweigh@...il.com, netdev@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        virtio-dev@...ts.oasis-open.org
Subject: Re: [virtio-dev] [PATCH v6 0/2] Improve virtio performance for 9k mtu


On 9/14/2022 10:49 PM, Gavin Li wrote:
> External email: Use caution opening links or attachments
>
>
> This small series contains two patches that improves virtio netdevice
> performance for 9K mtu when GRO/ guest TSO is disabled.
>
> Gavin Li (2):
>    virtio-net: introduce and use helper function for guest gso support
>      checks
> ---
> changelog:
> v4->v5
> - Addressed comments from Michael S. Tsirkin
> - Remove unnecessary () in return clause
> v1->v2
> - Add new patch
> ---
>    virtio-net: use mtu size as buffer length for big packets
> ---
> changelog:
> v5->v6
> - Addressed comments from Jason and Michael S. Tsirkin
> - Remove wrong commit log description
> - Rename virtnet_set_big_packets_fields with virtnet_set_big_packets
> - Add more test results for different feature combinations
> v4->v5
> - Addressed comments from Michael S. Tsirkin
> - Improve commit message
> v3->v4
> - Addressed comments from Si-Wei
> - Rename big_packets_sg_num with big_packets_num_skbfrags
> v2->v3
> - Addressed comments from Si-Wei
> - Simplify the condition check to enable the optimization
> v1->v2
> - Addressed comments from Jason, Michael, Si-Wei.
> - Remove the flag of guest GSO support, set sg_num for big packets and
>    use it directly
> - Recalculate sg_num for big packets in virtnet_set_guest_offloads
> - Replace the round up algorithm with DIV_ROUND_UP
> ---
>
>   drivers/net/virtio_net.c | 48 ++++++++++++++++++++++++++--------------
>   1 file changed, 32 insertions(+), 16 deletions(-)
>
> --
> 2.31.1
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: virtio-dev-unsubscribe@...ts.oasis-open.org
> For additional commands, e-mail: virtio-dev-help@...ts.oasis-open.org
Did you get a chance to pull these short series?