From: "Björn Töpel" <bjorn.topel@gmail.com>
To: "Gaul, Maximilian" <maximilian.gaul@hm.edu>
Cc: Xdp <xdp-newbies@vger.kernel.org>
Subject: Re: Shared Umem between processes
Date: Thu, 12 Mar 2020 10:40:45 +0100 [thread overview]
Message-ID: <CAJ+HfNjNMhxzXTrwKjOZALO5=3UTgQz0ytyAMs5zoGB0HX29DA@mail.gmail.com> (raw)
In-Reply-To: <046ac5d67f6a447f98266eacaa2c25e5@hm.edu>
On Thu, 12 Mar 2020 at 10:17, Gaul, Maximilian <maximilian.gaul@hm.edu> wrote:
>
[...]
>
> Thank you so much Björn!
>
> just to wrap things up:
>
> - if I want to distribute packet processing from a single RX-Queue to multiple sockets I have to use shared umem because it is not possible to bind multiple af-xdp sockets onto the same RX-Queue
Correct! And you need a tailored XDP program that spreads over the
shared umem sockets!
> - furthermore, you would recommend to go with a single process / multiple threads solution in case of shared umem
>
Yes, and while possible to do multi-process, the solution would be
complex with little gain (IMO).
And please reach out if you have any more questions!
next prev parent reply other threads:[~2020-03-12 9:40 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fd5e40efd5c1426cb4a5942682407ea2@hm.edu>
2020-03-12 7:55 ` Shared Umem between processes Björn Töpel
2020-03-12 8:20 ` AW: " Gaul, Maximilian
2020-03-12 8:38 ` Björn Töpel
2020-03-12 8:49 ` AW: " Gaul, Maximilian
2020-03-12 9:10 ` Björn Töpel
2020-03-12 9:17 ` AW: " Gaul, Maximilian
2020-03-12 9:40 ` Björn Töpel [this message]
2020-03-12 11:00 ` Toke Høiland-Jørgensen
2020-03-12 11:29 ` Björn Töpel
2020-03-12 15:48 ` AW: " Gaul, Maximilian
2020-03-15 15:29 ` Gaul, Maximilian
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