linux-kernel - Re: [PATCH][RESEND] ARCNET: fix hard_header

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Message-Id: <20150917.222714.700195258551388830.davem@davemloft.net>
Date:	Thu, 17 Sep 2015 22:27:14 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	m.grzeschik@...gutronix.de
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel@...gutronix.de
Subject: Re: [PATCH][RESEND] ARCNET: fix hard_header_len limit

From: Michael Grzeschik <m.grzeschik@...gutronix.de>
Date: Thu, 17 Sep 2015 15:18:34 +0200

> For arcnet the bare minimum header only contains the 4 bytes to
> specify source, dest and offset (1, 1 and 2 bytes respectively).
> The corresponding struct is struct arc_hardware.
> 
> The struct archdr contains additionally a union of possible soft
> headers. When doing $insertusecasehere packets might well
> include short (or even no?) soft headers.
> 
> For this reason only use arc_hardware instead of archdr to
> determine the hard_header_len for an arcnet device.
> 
> Signed-off-by: Michael Grzeschik <m.grzeschik@...gutronix.de>

Applied.
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