tree 3db1d5c81a165fb293c70846714f05a5d712a612
parent 424b26f356dce76c0ac5317d9c61ae669ca878d2
author Girish Gowdra <girish@opennetworking.org> 1599691839 -0700
committer Girish Gowdra <girish@opennetworking.org> 1600035889 -0700

VOL-3419: OpenOLT adapter at scale constantly takes more that 10 seconds to react to flows
The patch addresses the following
- Create OpenOltFlowMgr per PON port (instead of one instance for the whole OLT device earlier)
- Create a separate OpenOltGroupMgr - currently one instance for the whole OLT device
- Remove redundant global lock around getting ONU-ID in DeviceHandler module as there exists a
  separate per-pon-port lock in ResourceManager module which suffices the required synchronization
- Remove redundant locks in OpenOltFlowMgr module to serialize FlowDelete before FlowAdd
- Rename divideAndAddFlow to processAddFlow. "divideAndAddFlow" was used in 1.x voltha days and
  had a different meaning and the name seems to have been blindly ported to 2.x adapter
  and does not make sense anymore

Change-Id: I99827963cf242f1db0c27943c97bd05b749ae129