3.2.5.6 Received EAP Failure Packet
If the currentState variable is set to EAP_CHAP_SUCCESS_RESPONSE_SENT, EAP_CHAP_FAILURE_RESPONSE_SENT, or EAP_CHAP_CHALLENGE_RESPONSE_SENT, then:
Trigger the transport layer with the authentication result as Failed.
Set currentState to EAP_CHAP_FAILED.
If the currentState variable is not set to EAP_CHAP_SUCCESS_RESPONSE_SENT, EAP_CHAP_FAILURE_RESPONSE_SENT, or EAP_CHAP_CHALLENGE_RESPONSE_SENT, the packet is ignored.