Handle unicast ARP requests on the source compute node

[Divakar Dharanalakota]

Currently only multicast ARP requests are processed in the source compute node. Unicast ARP requests are processed only on destination compute node. These also can be processed on the source side.

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/23704
Submitter: Divakar Dharanalakota (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/23704
Committed: http://github.org/Juniper/contrail-vrouter/commit/8bf6b7b7a095f2635c45768c687e898cf59fe41d
Submitter: Zuul
Branch: master

commit 8bf6b7b7a095f2635c45768c687e898cf59fe41d
Author: Divakar <email address hidden>
Date: Mon Aug 29 23:04:33 2016 +0530

Handle unicast ARP requests in source compute node

Currently the unicast ARP requests are not processed in the source
compute node. These packets are switched to the destination compute node
and before handing the L2 packet to destined VM, these are processed.
This can result in Ecmp source VM sending unicast ARP requests and
destination VM (non ecmp) responding with Vhost MAC.

As a fix, unicast ARP requests are also processed in source compute node
itself

closes-bug: #1618154

Change-Id: Ic3a456f49297b982da79acc669982909ba2df74a

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/23900
Submitter: Divakar Dharanalakota (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/23901
Submitter: Divakar Dharanalakota (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/23900
Committed: http://github.org/Juniper/contrail-vrouter/commit/c780ca3696adab7a488c6f77cd69ae8ef417773b
Submitter: Zuul
Branch: R3.1

commit c780ca3696adab7a488c6f77cd69ae8ef417773b
Author: Divakar <email address hidden>
Date: Mon Aug 29 23:04:33 2016 +0530

Handle unicast ARP requests in source compute node

Currently the unicast ARP requests are not processed in the source
compute node. These packets are switched to the destination compute node
and before handing the L2 packet to destined VM, these are processed.
This can result in Ecmp source VM sending unicast ARP requests and
destination VM (non ecmp) responding with Vhost MAC.

As a fix, unicast ARP requests are also processed in source compute node
itself

closes-bug: #1618154

Change-Id: Ic3a456f49297b982da79acc669982909ba2df74a

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/23901
Committed: http://github.org/Juniper/contrail-vrouter/commit/7145759169679c9476dab7c6cf0d6b34642ba8a3
Submitter: Zuul
Branch: R3.0

commit 7145759169679c9476dab7c6cf0d6b34642ba8a3
Author: Divakar <email address hidden>
Date: Mon Aug 29 23:04:33 2016 +0530

Handle unicast ARP requests in source compute node

Currently the unicast ARP requests are not processed in the source
compute node. These packets are switched to the destination compute node
and before handing the L2 packet to destined VM, these are processed.
This can result in Ecmp source VM sending unicast ARP requests and
destination VM (non ecmp) responding with Vhost MAC.

As a fix, unicast ARP requests are also processed in source compute node
itself

Change-Id: I7ff8e0b4a5b9fc8abf777e32ed4ef8aeeb4358d6
closes-bug: #1618154