netdev - Re: [PATCH] net: bridge: add max_fdb

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Message-ID: <6c916129-5679-32bb-a3f1-46cc02c3683d@lab.ntt.co.jp>
Date:   Thu, 16 Nov 2017 13:05:59 +0900
From:   Toshiaki Makita <makita.toshiaki@....ntt.co.jp>
To:     Andrew Lunn <andrew@...n.ch>,
        Stephen Hemminger <stephen@...workplumber.org>,
        Sarah Newman <srn@...mr.com>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH] net: bridge: add max_fdb_count

On 2017/11/16 11:25, Andrew Lunn wrote:
>> Also what do the vendors using bridge for L2 offload to switch think?
> 
> The Marvell L2 switches which DSA supports have 8K FDB/MDB entries. So
> maybe 1024 is a bit low?

How about U32_MAX by default since it is currently not restricted.
(assuming the field will be changed to u32 as per Stephen's feedback).

Otherwise users may suffer from unexpected behavior change by updating
kernel?

-- 
Toshiaki Makita