netdev - Re: tg3 issue with tcp checksums and vlan packets

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Message-ID: <1410886475.7520.73.camel@LTIRV-MCHAN1.corp.ad.broadcom.com>
Date:	Tue, 16 Sep 2014 09:54:35 -0700
From:	Michael Chan <mchan@...adcom.com>
To:	Vlad Yasevich <vyasevich@...il.com>
CC:	Prashant Sreedharan <prashant@...adcom.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: tg3 issue with tcp checksums and vlan packets

On Tue, 2014-09-16 at 12:43 -0400, Vlad Yasevich wrote: 
> Prashant and Michael
> 
> I am seeing a strange issue with tg3 driver when I try to pass to it tcp packets
> that have partial checksums and inline (non-accelerated) vlan header.
> 

Are you disabling NETIF_F_HW_VLAN_CTAG_TX?  I believe TX checksum and
TSO won't work.  We need to add some code to disable both when VLAN
acceleration is disabled.


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