netdev - Re: [PATCH net] geneve: Fix function matching VNI and tunnel ID on big-endian

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Message-ID: <20171019140821.0aefacb9@beetle>
Date:   Thu, 19 Oct 2017 14:08:21 +0200
From:   Jakub Sitnicki <jkbs@...hat.com>
To:     Stefano Brivio <sbrivio@...hat.com>
Cc:     "David S . Miller" <davem@...emloft.net>, netdev@...r.kernel.org,
        pravin shelar <pshelar@....org>,
        Girish Moodalbail <girish.moodalbail@...cle.com>,
        Sabrina Dubroca <sd@...asysnail.net>
Subject: Re: [PATCH net] geneve: Fix function matching VNI and tunnel ID on
 big-endian

On Thu, 19 Oct 2017 13:31:28 +0200
Stefano Brivio <sbrivio@...hat.com> wrote:

> On big-endian machines, functions converting between tunnel ID
> and VNI use the three LSBs of tunnel ID storage to map VNI.
> 
> The comparison function eq_tun_id_and_vni(), on the other hand,
> attempted to map the VNI from the three MSBs. Fix it by using
> the same check implemented on LE, which maps VNI from the three
> LSBs of tunnel ID.
> 
> Fixes: 2e0b26e10352 ("geneve: Optimize geneve device lookup.")
> Signed-off-by: Stefano Brivio <sbrivio@...hat.com>

Thanks, Stefano.

Reviewed-by: Jakub Sitnicki <jkbs@...hat.com>