* Compute Jenkins hash of the new packet, decide if we need to
* actually parse through the TLV's. CDP packets are all identical,
* so unless we time out the peer, we don't need to process the packet.
* Compute Jenkins hash of the new packet, decide if we need to
* actually parse through the TLV's. CDP packets are all identical,
* so unless we time out the peer, we don't need to process the packet.