netdev - Re: [PATCH] Fixup packets with incorrect ethertype sent by ZTE MF821D

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Date:   Sun, 13 Nov 2016 12:00:15 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     bjorn@...k.no
Cc:     plz@....fi, netdev@...r.kernel.org
Subject: Re: [PATCH] Fixup packets with incorrect ethertype sent by ZTE
 MF821D

From: Bjørn Mork <bjorn@...k.no>
Date: Sun, 13 Nov 2016 17:12:57 +0100

> In any case, if we're going to add a fix like this, then I want it way
> more generic.  The only valid ethertypes expected from the modem is IP,
> IPV6 or ARP. Testing against those three, resetting anything else to IP,
> will at least catch *any* bogus value.
> 
> But I'm not convinced I want this additional processing of every packet
> just to let Qualcomm go on hiring monkeys-on-crack to write their
> firmware. At least not when we do have raw-ip as a workaround for the
> issue.
> 
> Feel free to try to convince me, though.

There are also several coding style problems with this patch.