Skip site navigation (1)Skip section navigation (2)
Date:      Wed, 24 Feb 2021 11:50:24 +0100
From:      =?UTF-8?Q?Olivier_Cochard=2DLabb=C3=A9?= <olivier@freebsd.org>
To:        Marek Zarychta <zarychtam@plan-b.pwste.edu.pl>
Cc:        "Alexander V. Chernikov" <melifaro@ipfw.ru>, freebsd-net@freebsd.org
Subject:   Re: option FIB_ALGO and dpdk_lpm4
Message-ID:  <CA%2Bq%2BTcqTh55fZbYQTt7giN-c9kL8iF28QDoaaF1vKXhyW6RsNA@mail.gmail.com>
In-Reply-To: <7056db64-2e7f-6ad8-54a3-59ff406061cf@plan-b.pwste.edu.pl>
References:  <5670cd9a-cd10-2b89-1347-97a6c817c50f@sentex.net> <8696072a-dc25-8eff-04fa-4d1db13bf5cc@plan-b.pwste.edu.pl> <3588111612809020@mail.yandex.ru> <53ef5715-42ce-aad0-9a8b-11d91a9891e3@plan-b.pwste.edu.pl> <301391612827263@mail.yandex.ru> <ecb75bc5-72fe-4583-8fe6-e0cb5347ae02@plan-b.pwste.edu.pl> <2642181612914660@mail.yandex.ru> <2951613086198@mail.yandex.ru> <b51320bb-d401-3d96-64a6-139f2c980ffa@plan-b.pwste.edu.pl> <7121614026888@mail.yandex.ru> <7056db64-2e7f-6ad8-54a3-59ff406061cf@plan-b.pwste.edu.pl>

next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Feb 24, 2021 at 1:22 AM Marek Zarychta <
zarychtam@plan-b.pwste.edu.pl> wrote:

>
> >
>
> Please let me ask only one final question. Does adding:
>
> net.route.algo.inet.algo=dpdk_lpm4
> net.route.algo.inet6.algo=dpdk_lpm6
>
> to /etc/sysctl.conf make any sense?  I see that right FIB_ALGO is
> automatically picked up when the module is available.
>
>
>
My understanding is the network stack will switch to the optimum algorithm
regarding the number of routes installed.
cf "Automatic algorithm selection" chapter here:
https://reviews.freebsd.org/D27401

So you don't need to set this sysctl.

Regards,

Olivier



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CA%2Bq%2BTcqTh55fZbYQTt7giN-c9kL8iF28QDoaaF1vKXhyW6RsNA>