netdev - Re: [PATCH 02/38] netfilter: flowtables: use fixed renew timeout on teardown

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Date:   Fri, 20 Jul 2018 15:20:58 +0200
From:   Felix Fietkau <nbd@....name>
To:     Pablo Neira Ayuso <pablo@...filter.org>,
        netfilter-devel@...r.kernel.org
Cc:     davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH 02/38] netfilter: flowtables: use fixed renew timeout on
 teardown

On 2018-07-20 15:08, Pablo Neira Ayuso wrote:
> From: Florian Westphal <fw@...len.de>
> 
> This is one of the very few external callers of ->get_timeouts(),
> 
> We can use a fixed timeout instead, conntrack core will refresh this in
> case a new packet comes within this period.
> 
> Use of ESTABLISHED timeout seems way too huge anyway.
It seems to me that this could easily break long-lived connections that
are idle most of the time.

- Felix