tree 38307b7540821c6919e27979e7f286bb3dec6a49
parent 30262a28c6153f0aac7b5661512064dbb6102ab3
author Yuta HIGUCHI <y-higuchi@ak.jp.nec.com> 1513550029 -0800
committer Charles Chan <charles@opennetworking.org> 1513651636 +0000

Maintain OFPortDesc up-to-date

- OFPortDesc cache managed by AbstractOpenFlowSwitch was not always maintained properly.
  reorganized data structure to maintain per OFPortDesc, last known instance

Change-Id: I1b26d7ca284e44bf9744c30374394c581653d78f
(cherry picked from commit f83c8cfdf6a8101acb96e7121d22b2605496755e)