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From: Ben Hutchings <bhutchings@solarflare.com>
To: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: <davem@davemloft.net>, Yi Zou <yi.zou@intel.com>,
	<netdev@vger.kernel.org>, <gospo@redhat.com>,
	<sassmann@redhat.com>
Subject: Re: [net 2/3] net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs_gso
Date: Sat, 17 Mar 2012 18:41:56 +0000	[thread overview]
Message-ID: <1332009716.3022.243.camel@deadeye> (raw)
In-Reply-To: <1331975292-19521-1-git-send-email-jeffrey.t.kirsher@intel.com>

On Sat, 2012-03-17 at 02:08 -0700, Jeff Kirsher wrote:
> From: Yi Zou <yi.zou@intel.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.
[...]

This should also be documented as valid in include/linux/skbuff.h,
though I don't think the fix should be held up for that.

Ben.

-- 
Ben Hutchings, Staff Engineer, Solarflare
Not speaking for my employer; that's the marketing department's job.
They asked us to note that Solarflare product names are trademarked.

  parent reply	other threads:[~2012-03-17 18:42 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-17  9:08 [net 2/3] net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs_gso Jeff Kirsher
2012-03-17  9:08 ` [net 3/3] fcoe: use CHECKSUM_UNNECESSARY instead of CHECKSUM_PARTIAL on tx Jeff Kirsher
2012-03-19 21:38   ` David Miller
2012-03-17 18:41 ` Ben Hutchings [this message]
2012-03-19 15:11   ` [net 2/3] net: do not do gso for CHECKSUM_UNNECESSARY in netif_needs_gso Zou, Yi
2012-03-19 21:38 ` David Miller

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