From: Emil Tantilov <emil.s.tantilov@intel.com>
Date: Fri, 28 Feb 2014 04:32:44 +0000 (-0800)
Subject: ixgbevf: fix handling of tx checksumming
X-Git-Tag: v3.15-rc1~113^2~241^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b5d217f3a747648a016176d13cedfcce0da732ea;p=pandora-kernel.git

ixgbevf: fix handling of tx checksumming

This patch resolves an issue introduced by:
commit 7ad1a093519e37fb673579819bf6af122641c397
ixgbevf: make the first tx_buffer a repository for most of the skb info

Incorrect check for the result of ixgbevf_tso() can lead to calling
ixgbevf_tx_csum() which can spawn 2 context descriptors and result in
performance degradation and/or corrupted packets.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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