netdev - RE: [PATCH net-next v5 2/2] net: systemport: pad packets to a minimum of 68 bytes

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Message-ID: <063D6719AE5E284EB5DD2968C1650D6D17246361@AcuExch.aculab.com>
Date:	Thu, 15 May 2014 09:28:13 +0000
From:	David Laight <David.Laight@...LAB.COM>
To:	'Florian Fainelli' <f.fainelli@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:	"davem@...emloft.net" <davem@...emloft.net>
Subject: RE: [PATCH net-next v5 2/2] net: systemport: pad packets to a
 minimum of 68 bytes

From: Florian Fainelli 
> With packets having Broadcom tags, the 4-bytes tag is first stripped
> off the packet, and the packet length is then checked, so we need to
> make sure that the packet length with FCS is at least 64 bytes.

Ah - finally an explanation!

I think you should only do that when the Broadcom Tags are enabled.

	David



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