netdev - Re: [PATCH v2] bnx2x: disable GSO where gso

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Message-ID: <20180112114844.GN725@localhost.localdomain>
Date:   Fri, 12 Jan 2018 09:48:44 -0200
From:   Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
To:     Daniel Axtens <dja@...ens.net>
Cc:     netdev@...r.kernel.org,
        Thomas Falcon <tlfalcon@...ux.vnet.ibm.com>,
        Yuval Mintz <Yuval.Mintz@...ium.com>
Subject: Re: [PATCH v2] bnx2x: disable GSO where gso_size is too big for
 hardware

On Fri, Jan 12, 2018 at 10:59:05AM +1100, Daniel Axtens wrote:
> If a bnx2x card is passed a GSO packet with a gso_size larger than
> ~9700 bytes, it will cause a firmware error that will bring the card
> down:

Why not use netif_set_gso_max_size() instead?
Some drivers are using it to avoid such larger than supported packets.