netdev - Re: [PATCH RFC net-next] virtio_net: Relax queue requirement for using XDP

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: <87wo88wcwi.fsf@toke.dk>
Date:   Thu, 27 Feb 2020 11:19:25 +0100
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     David Ahern <dahern@...italocean.com>,
        "Michael S. Tsirkin" <mst@...hat.com>
Cc:     David Ahern <dsahern@...il.com>, Jason Wang <jasowang@...hat.com>,
        David Ahern <dsahern@...nel.org>, netdev@...r.kernel.org,
        davem@...emloft.net, kuba@...nel.org,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        Magnus Karlsson <magnus.karlsson@...el.com>
Subject: Re: [PATCH RFC net-next] virtio_net: Relax queue requirement for using XDP

David Ahern <dahern@...italocean.com> writes:

> On 2/26/20 1:34 AM, Toke Høiland-Jørgensen wrote:
>>> OK so basically there would be commands to configure which TX queue is
>>> used by XDP. With enough resources default is to use dedicated queues.
>>> With not enough resources default is to fail binding xdp program
>>> unless queues are specified. Does this sound reasonable?
>> Yeah, that was the idea. See this talk from LPC last year for more
>> details: https://linuxplumbersconf.org/event/4/contributions/462/
>> 
>
> Can we use one of the breakout timeslots at netdevconf and discuss this
> proposal and status?

Adding in Magnus and Jesper; I won't be at netdevconf, sadly, but you
guys go ahead :)

Magnus indicated he may have some preliminary code to share soonish.
Maybe that means before netdevconf? ;)

-Toke