IKEV2_PAYLOAD_IDr
firstpayload = IKEV2_PAYLOAD_IDr;
if (ikev2_next_payload(pld, len, IKEV2_PAYLOAD_IDr) == -1)
firstpayload = IKEV2_PAYLOAD_IDr;
case IKEV2_PAYLOAD_IDr | IKED_E:
if (((sa->sa_hdr.sh_initiator && payload == IKEV2_PAYLOAD_IDr) ||
else if (!sa->sa_hdr.sh_initiator && payload == IKEV2_PAYLOAD_IDr)