tree d0769df874b68be3da2e8c5e445dde077654a9a0
parent 68c1fb2d30209757f9a9f6e5ea587ea3bb8724c0
author Shannon Nelson <shannon.nelson@oracle.com> 1519326596 -0800
committer Jeff Kirsher <jeffrey.t.kirsher@intel.com> 1520876699 -0700

ixgbe: fix ipsec trailer length

Fix up the Tx trailer length calculation.  We can't believe the
trailer len from the xstate information because it was calculated
before the packet was put together and padding added.  This bit
of code finds the padding value in the trailer, adds it to the
authentication length, and saves it so later we can put it into
the Tx descriptor to tell the device where to stop the checksum
calculation.

Fixes: 592594704761 ("ixgbe: process the Tx ipsec offload")
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>