netdev - Re: Network interface - allow to set kernel default qlen value

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Message-ID: <c6bce6e3-b789-0c3a-37e0-6b8d7ebc7761@interduo.pl>
Date:   Tue, 23 Aug 2022 09:59:07 +0200
From:   Jarosław Kłopotek <jkl@...erduo.pl>
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     netdev@...r.kernel.org
Subject: Re: Network interface - allow to set kernel default qlen value

W dniu 23.08.2022 o 02:36, Jakub Kicinski pisze:
> On Mon, 22 Aug 2022 10:41:40 +0200 Jarosław Kłopotek wrote:
>> Welcome netdev's,
>> is it possible to set in kernel default (for example by sysctl) value of
>> qlen parameter for network interfaces?
>>
>> I try to search: sysctl -a | grep qlen | grep default
>> and didn't find anything.
>>
>> Now for setting the qlen - we use scripts in /etc/network/interface.
>>
>> This is not so important thing - but could be improved. What do You
>> think about it?
> What type of network interfaces are we talking about here?
> Physical Ethernet links?

Ethernet links - for example:

ip a s | grep qlen

for example:
119: ens16np0.1231@...16np0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 
qdisc noqueue state UP group default qlen 10000
(...)

-- 
Jarosław Kłopotek
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