sctp: Use software crc32 checksum when xfrm transform will happen.
authorFan Du <fan.du@windriver.com>
Wed, 16 Oct 2013 02:01:30 +0000 (22:01 -0400)
committerDavid S. Miller <davem@davemloft.net>
Thu, 17 Oct 2013 19:24:44 +0000 (15:24 -0400)
commit27127a82561a2a3ed955ce207048e1b066a80a2a
treeabb0407fc9c944151ddbbf8989a89a729a9c8811
parente87b3998d795123b4139bc3f25490dd236f68212
sctp: Use software crc32 checksum when xfrm transform will happen.

igb/ixgbe have hardware sctp checksum support, when this feature is enabled
and also IPsec is armed to protect sctp traffic, ugly things happened as
xfrm_output checks CHECKSUM_PARTIAL to do checksum operation(sum every thing
up and pack the 16bits result in the checksum field). The result is fail
establishment of sctp communication.

Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Vlad Yasevich <vyasevich@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/sctp/output.c