tree c9f1025e7a291d206ae9cb3f95716eb0f4f51b82
parent b4fdb04ab5eb7469c5ce3065138eeb41ab5759f3
author Yi Tseng <a86487817@gmail.com> 1501990446 -0700
committer Ray Milkey <ray@opennetworking.org> 1502755232 +0000

[CORD-1716][CORD-1656] Fix incorrect header from DHCP relay

1. Use IP address and MAC address which from the Interface facing the
server instead of from client
2. Source UDP port should be server port
3. Handling vlan untag/tag interface
4. Set dst mac to next hop if it is indirectly connected
5. Removes relay option and reset giaddr while reply to directly connected host

Change-Id: Ifc79369af089ad945b971d54506ad9b6d015f530