/*----------------------------------------------------------------------------*/
VOID authAddIEChallengeText(IN P_ADAPTER_T prAdapter, IN OUT P_MSDU_INFO_T prMsduInfo)
{
P_WLAN_AUTH_FRAME_T prAuthFrame;
P_STA_RECORD_T prStaRec;
UINT_16 u2TransactionSeqNum;
ASSERT(prMsduInfo);
prStaRec = cnmGetStaRecByIndex(prAdapter, prMsduInfo->ucStaRecIndex);
if (!prStaRec)
return;
ASSERT(prStaRec);
/* For Management, frame header and payload are in a continuous buffer */
prAuthFrame = (P_WLAN_AUTH_FRAME_T) prMsduInfo->prPacket;
WLAN_GET_FIELD_16(&prAuthFrame->u2AuthTransSeqNo, &u2TransactionSeqNum)
/* Only consider SEQ_3 for Challenge Text */
if ((u2TransactionSeqNum == AUTH_TRANSACTION_SEQ_3) &&
(prStaRec->ucAuthAlgNum == AUTH_ALGORITHM_NUM_SHARED_KEY) && (prStaRec->prChallengeText != NULL)) {
COPY_IE(((ULONG) (prMsduInfo->prPacket) + prMsduInfo->u2FrameLength), (prStaRec->prChallengeText));
prMsduInfo->u2FrameLength += IE_SIZE(prStaRec->prChallengeText);
}
return;
} /* end of authAddIEChallengeText() */
/*----------------------------------------------------------------------------*/
VOID
authHandleIEChallengeText (
P_ADAPTER_T prAdapter,
P_SW_RFB_T prSwRfb,
P_IE_HDR_T prIEHdr
)
{
P_WLAN_AUTH_FRAME_T prAuthFrame;
P_STA_RECORD_T prStaRec;
UINT_16 u2TransactionSeqNum;
ASSERT(prSwRfb);
ASSERT(prIEHdr);
prStaRec = cnmGetStaRecByIndex(prAdapter, prSwRfb->ucStaRecIdx);
ASSERT(prStaRec);
if(!prStaRec) {
return;
}
/* For Management, frame header and payload are in a continuous buffer */
prAuthFrame = (P_WLAN_AUTH_FRAME_T)prSwRfb->pvHeader;
//WLAN_GET_FIELD_16(&prAuthFrame->u2AuthTransSeqNo, &u2TransactionSeqNum)
u2TransactionSeqNum = prAuthFrame->u2AuthTransSeqNo; // NOTE(Kevin): Optimized for ARM
/* Only consider SEQ_2 for Challenge Text */
if ((u2TransactionSeqNum == AUTH_TRANSACTION_SEQ_2) &&
(prStaRec->ucAuthAlgNum == AUTH_ALGORITHM_NUM_SHARED_KEY)) {
/* Free previous allocated TCM memory */
if (prStaRec->prChallengeText) {
ASSERT(0);
cnmMemFree(prAdapter, prStaRec->prChallengeText);
prStaRec->prChallengeText = (P_IE_CHALLENGE_TEXT_T)NULL;
}
if ( ( prStaRec->prChallengeText = cnmMemAlloc(prAdapter, RAM_TYPE_MSG, IE_SIZE(prIEHdr)) ) == NULL) {
return;
}
/* Save the Challenge Text from Auth Seq 2 Frame, before sending Auth Seq 3 Frame */
COPY_IE(prStaRec->prChallengeText, prIEHdr);
}
return;
} /* end of authAddIEChallengeText() */
