From: Pravin B Shelar <pshelar@nicira.com>
Date: Sun, 24 Feb 2013 20:05:05 +0000 (+0000)
Subject: IP_GRE: Fix GRE_CSUM case.
X-Git-Tag: v3.9-rc1~70^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f10098fb978c3cdd8ee7d72f7aa4330873f4544;p=pandora-kernel.git

IP_GRE: Fix GRE_CSUM case.

commit "ip_gre: allow CSUM capable devices to handle packets"
aa0e51cdda005cd37e2, broke GRE_CSUM case.
GRE_CSUM needs checksum computed for inner packet. Therefore
csum-calculation can not be offloaded if tunnel device requires
GRE_CSUM.  Following patch fixes it by computing inner packet checksum
for GRE_CSUM type, for all other type of GRE devices csum is offloaded.

CC: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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