netdev - Re: [net 2/3] net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs

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Message-Id: <20120319.173811.1797230836384259872.davem@davemloft.net>
Date:	Mon, 19 Mar 2012 17:38:11 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	jeffrey.t.kirsher@...el.com
Cc:	yi.zou@...el.com, netdev@...r.kernel.org, gospo@...hat.com,
	sassmann@...hat.com
Subject: Re: [net 2/3] net: do not do gso for CHECKSUM_UNNECESSARY in
 netif_needs_gso

From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Date: Sat, 17 Mar 2012 02:08:11 -0700

> From: Yi Zou <yi.zou@...el.com>
> 
> This is related to fixing the bug of dropping FCoE frames when disabling tx ip
> checksum by 'ethtool -K ethx tx off'. The FCoE protocol stack driver would
> use CHECKSUM_UNNECESSARY on tx path instead of CHECKSUM_PARTIAL (as indicated in
> the 2/2 of this series). To do so, netif_needs_gso() has to be changed here to
> not do gso for both CHECKSUM_PARTIAL and CHECKSUM_UNNECESSARY.
> 
> Ref. to original discussion thread:
> http://patchwork.ozlabs.org/patch/146567/
> 
> Signed-off-by: Yi Zou <yi.zou@...el.com>
> Tested-by: Ross Brattain <ross.b.brattain@...el.com>
> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>

Applied.
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