For tunnel or non-tunnel packet, the input set is in outer_input_set
and use seg_tun[0]. seg_tun[1] is only used for tunnel inner fields.
This patch make align with input_set inner/outer with seg_tun[] and
simplify it.
Signed-off-by: Zhirun Yan <zhirun.yan@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
25a3d65e1e