linux-kernel - Re: [PATCH] batman-adv: Revert "use core MTU range checking in misc drivers"

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Message-ID: <2358358.cV5hCSMD7y@sven-edge>
Date:   Sun, 23 Oct 2016 09:17:50 +0200
From:   Sven Eckelmann <sven@...fation.org>
To:     Jarod Wilson <jarod@...hat.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        b.a.t.m.a.n@...ts.open-mesh.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] batman-adv: Revert "use core MTU range checking in misc drivers"

On Samstag, 22. Oktober 2016 21:08:26 CEST Jarod Wilson wrote:
[...]
> You're going to
> need more than just this revert though, since batman-adv calls
> ether_setup, which will set min_mtu = 68, max_mtu = 1500, unless
> batadv_hardif_min_mtu() always returns something 1500 or less.

It does only returns 1500 or less at the moment.

    return min_t(int, min_mtu - batadv_max_header_len(), ETH_DATA_LEN);

> Actually,
> looking at that, you could omit the mtu < 68 bit from
> batadv_interface_change_mtu() too, since that'll already get done in the
> core, but I have no clue what you need for max_mtu.

I would like to get this revert through net-next.git before anything else.

Kind regards,
	Sven
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