2 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 * Purpose: handle dpc rx functions
28 * device_receive_frame - Rcv 802.11 frame function
29 * s_bAPModeRxCtl- AP Rcv frame filer Ctl.
30 * s_bAPModeRxData- AP Rcv data frame handle
31 * s_bHandleRxEncryption- Rcv decrypted data via on-fly
32 * s_bHostWepRxEncryption- Rcv encrypted data via host
33 * s_byGetRateIdx- get rate index
34 * s_vGetDASA- get data offset
35 * s_vProcessRxMACHeader- Rcv 802.11 and translate to 802.3
59 //static int msglevel =MSG_LEVEL_DEBUG;
60 static int msglevel =MSG_LEVEL_INFO;
62 const u8 acbyRxRate[MAX_RATE] =
63 {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
65 static u8 s_byGetRateIdx(u8 byRate);
71 unsigned int *pcbHeaderSize,
72 struct ethhdr *psEthHeader
75 static void s_vProcessRxMACHeader(struct vnt_private *pDevice,
76 u8 *pbyRxBufferAddr, u32 cbPacketSize, int bIsWEP, int bExtIV,
79 static int s_bAPModeRxCtl(struct vnt_private *pDevice, u8 *pbyFrame,
82 static int s_bAPModeRxData(struct vnt_private *pDevice, struct sk_buff *skb,
83 u32 FrameSize, u32 cbHeaderOffset, s32 iSANodeIndex, s32 iDANodeIndex);
85 static int s_bHandleRxEncryption(struct vnt_private *pDevice, u8 *pbyFrame,
86 u32 FrameSize, u8 *pbyRsr, u8 *pbyNewRsr, PSKeyItem *pKeyOut,
87 s32 *pbExtIV, u16 *pwRxTSC15_0, u32 *pdwRxTSC47_16);
89 static int s_bHostWepRxEncryption(struct vnt_private *pDevice, u8 *pbyFrame,
90 u32 FrameSize, u8 *pbyRsr, int bOnFly, PSKeyItem pKey, u8 *pbyNewRsr,
91 s32 *pbExtIV, u16 *pwRxTSC15_0, u32 *pdwRxTSC47_16);
96 * Translate Rcv 802.11 header to 802.3 header with Rx buffer
101 * dwRxBufferAddr - Address of Rcv Buffer
102 * cbPacketSize - Rcv Packet size
103 * bIsWEP - If Rcv with WEP
105 * pcbHeaderSize - 802.11 header size
111 static void s_vProcessRxMACHeader(struct vnt_private *pDevice,
112 u8 *pbyRxBufferAddr, u32 cbPacketSize, int bIsWEP, int bExtIV,
116 u32 cbHeaderSize = 0;
118 struct ieee80211_hdr *pMACHeader;
121 pMACHeader = (struct ieee80211_hdr *) (pbyRxBufferAddr + cbHeaderSize);
123 s_vGetDASA((u8 *)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader);
127 // strip IV&ExtIV , add 8 byte
128 cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8);
130 // strip IV , add 4 byte
131 cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4);
135 cbHeaderSize += WLAN_HDR_ADDR3_LEN;
138 pbyRxBuffer = (u8 *) (pbyRxBufferAddr + cbHeaderSize);
139 if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) {
141 } else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) {
143 pwType = (u16 *) (pbyRxBufferAddr + cbHeaderSize);
144 if ((*pwType == cpu_to_be16(ETH_P_IPX)) ||
145 (*pwType == cpu_to_le16(0xF380))) {
147 pwType = (u16 *) (pbyRxBufferAddr + cbHeaderSize);
150 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
152 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
156 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
162 pwType = (u16 *) (pbyRxBufferAddr + cbHeaderSize);
165 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV
167 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV
171 *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN);
175 cbHeaderSize -= (ETH_ALEN * 2);
176 pbyRxBuffer = (u8 *) (pbyRxBufferAddr + cbHeaderSize);
177 for (ii = 0; ii < ETH_ALEN; ii++)
178 *pbyRxBuffer++ = pDevice->sRxEthHeader.h_dest[ii];
179 for (ii = 0; ii < ETH_ALEN; ii++)
180 *pbyRxBuffer++ = pDevice->sRxEthHeader.h_source[ii];
182 *pcbHeadSize = cbHeaderSize;
185 static u8 s_byGetRateIdx(u8 byRate)
189 for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) {
190 if (acbyRxRate[byRateIdx%MAX_RATE] == byRate)
199 u8 * pbyRxBufferAddr,
200 unsigned int *pcbHeaderSize,
201 struct ethhdr *psEthHeader
204 unsigned int cbHeaderSize = 0;
205 struct ieee80211_hdr *pMACHeader;
208 pMACHeader = (struct ieee80211_hdr *) (pbyRxBufferAddr + cbHeaderSize);
210 if ((pMACHeader->frame_control & FC_TODS) == 0) {
211 if (pMACHeader->frame_control & FC_FROMDS) {
212 for (ii = 0; ii < ETH_ALEN; ii++) {
213 psEthHeader->h_dest[ii] =
214 pMACHeader->addr1[ii];
215 psEthHeader->h_source[ii] =
216 pMACHeader->addr3[ii];
220 for (ii = 0; ii < ETH_ALEN; ii++) {
221 psEthHeader->h_dest[ii] =
222 pMACHeader->addr1[ii];
223 psEthHeader->h_source[ii] =
224 pMACHeader->addr2[ii];
229 if (pMACHeader->frame_control & FC_FROMDS) {
230 for (ii = 0; ii < ETH_ALEN; ii++) {
231 psEthHeader->h_dest[ii] =
232 pMACHeader->addr3[ii];
233 psEthHeader->h_source[ii] =
234 pMACHeader->addr4[ii];
238 for (ii = 0; ii < ETH_ALEN; ii++) {
239 psEthHeader->h_dest[ii] =
240 pMACHeader->addr3[ii];
241 psEthHeader->h_source[ii] =
242 pMACHeader->addr2[ii];
246 *pcbHeaderSize = cbHeaderSize;
249 int RXbBulkInProcessData(struct vnt_private *pDevice, PRCB pRCB,
250 unsigned long BytesToIndicate)
252 struct net_device_stats *pStats = &pDevice->stats;
254 struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
255 struct vnt_rx_mgmt *pRxPacket = &pMgmt->sRxPacket;
256 struct ieee80211_hdr *p802_11Header;
257 u8 *pbyRsr, *pbyNewRsr, *pbyRSSI, *pbyFrame;
259 u32 bDeFragRx = false;
260 u32 cbHeaderOffset, cbIVOffset;
263 s32 iSANodeIndex = -1, iDANodeIndex = -1;
265 u8 *pbyRxSts, *pbyRxRate, *pbySQ, *pby3SQ;
267 PSKeyItem pKey = NULL;
269 u32 dwRxTSC47_16 = 0;
271 /* signed long ldBm = 0; */
272 int bIsWEP = false; int bExtIV = false;
274 PRCB pRCBIndicate = pRCB;
277 u8 abyVaildRate[MAX_RATE]
278 = {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108};
279 u16 wPLCPwithPadding;
280 struct ieee80211_hdr *pMACHeader;
281 int bRxeapol_key = false;
283 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- RXbBulkInProcessData---\n");
287 /* [31:16]RcvByteCount ( not include 4-byte Status ) */
288 dwWbkStatus = *((u32 *)(skb->data));
289 FrameSize = dwWbkStatus >> 16;
292 if (BytesToIndicate != FrameSize) {
293 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"------- WRONG Length 1\n");
297 if ((BytesToIndicate > 2372) || (BytesToIndicate <= 40)) {
298 // Frame Size error drop this packet.
299 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "---------- WRONG Length 2\n");
303 pbyDAddress = (u8 *)(skb->data);
304 pbyRxSts = pbyDAddress+4;
305 pbyRxRate = pbyDAddress+5;
307 //real Frame Size = USBFrameSize -4WbkStatus - 4RxStatus - 8TSF - 4RSR - 4SQ3 - ?Padding
308 //if SQ3 the range is 24~27, if no SQ3 the range is 20~23
309 //real Frame size in PLCPLength field.
310 pwPLCP_Length = (u16 *) (pbyDAddress + 6);
311 //Fix hardware bug => PLCP_Length error
312 if ( ((BytesToIndicate - (*pwPLCP_Length)) > 27) ||
313 ((BytesToIndicate - (*pwPLCP_Length)) < 24) ||
314 (BytesToIndicate < (*pwPLCP_Length)) ) {
316 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Wrong PLCP Length %x\n", (int) *pwPLCP_Length);
320 for ( ii=RATE_1M;ii<MAX_RATE;ii++) {
321 if ( *pbyRxRate == abyVaildRate[ii] ) {
325 if ( ii==MAX_RATE ) {
326 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Wrong RxRate %x\n",(int) *pbyRxRate);
330 wPLCPwithPadding = ( (*pwPLCP_Length / 4) + ( (*pwPLCP_Length % 4) ? 1:0 ) ) *4;
332 pqwTSFTime = (u64 *)(pbyDAddress + 8 + wPLCPwithPadding);
333 if(pDevice->byBBType == BB_TYPE_11G) {
334 pby3SQ = pbyDAddress + 8 + wPLCPwithPadding + 12;
338 pbySQ = pbyDAddress + 8 + wPLCPwithPadding + 8;
341 pbyNewRsr = pbyDAddress + 8 + wPLCPwithPadding + 9;
342 pbyRSSI = pbyDAddress + 8 + wPLCPwithPadding + 10;
343 pbyRsr = pbyDAddress + 8 + wPLCPwithPadding + 11;
345 FrameSize = *pwPLCP_Length;
347 pbyFrame = pbyDAddress + 8;
348 // update receive statistic counter
350 STAvUpdateRDStatCounter(&pDevice->scStatistic,
359 pMACHeader = (struct ieee80211_hdr *) pbyFrame;
361 //mike add: to judge if current AP is activated?
362 if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) ||
363 (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) {
364 if (pMgmt->sNodeDBTable[0].bActive) {
365 if (!compare_ether_addr(pMgmt->abyCurrBSSID, pMACHeader->addr2)) {
366 if (pMgmt->sNodeDBTable[0].uInActiveCount != 0)
367 pMgmt->sNodeDBTable[0].uInActiveCount = 0;
372 if (!is_multicast_ether_addr(pMACHeader->addr1)) {
373 if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (struct ieee80211_hdr *) pbyFrame)) {
374 pDevice->s802_11Counter.FrameDuplicateCount++;
378 if (compare_ether_addr(pDevice->abyCurrentNetAddr,
379 pMACHeader->addr1)) {
385 s_vGetDASA(pbyFrame, &cbHeaderSize, &pDevice->sRxEthHeader);
387 if (!compare_ether_addr((u8 *)&(pDevice->sRxEthHeader.h_source[0]),
388 pDevice->abyCurrentNetAddr))
391 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) {
392 if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
393 p802_11Header = (struct ieee80211_hdr *) (pbyFrame);
395 if (BSSbIsSTAInNodeDB(pDevice, (u8 *)(p802_11Header->addr2), &iSANodeIndex)) {
396 pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies;
397 pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0;
402 if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
403 if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == true) {
408 if (IS_FC_WEP(pbyFrame)) {
409 bool bRxDecryOK = false;
411 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"rx WEP pkt\n");
413 if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) {
415 pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite;
416 pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex;
417 pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength;
418 pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16;
419 pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0;
421 &pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0],
425 bRxDecryOK = s_bHostWepRxEncryption(pDevice,
429 pMgmt->sNodeDBTable[iSANodeIndex].bOnFly,
436 bRxDecryOK = s_bHandleRxEncryption(pDevice,
448 if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) {
449 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n");
450 if ( (pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
451 (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
452 (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
453 (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
454 (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
456 if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
457 pDevice->s802_11Counter.TKIPICVErrors++;
458 } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) {
459 pDevice->s802_11Counter.CCMPDecryptErrors++;
460 } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) {
461 // pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++;
467 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WEP Func Fail\n");
470 if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP))
471 FrameSize -= 8; // Message Integrity Code
473 FrameSize -= 4; // 4 is ICV
479 /* remove the FCS/CRC length */
480 FrameSize -= ETH_FCS_LEN;
482 if ( !(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) && // unicast address
483 (IS_FRAGMENT_PKT((pbyFrame)))
486 bDeFragRx = WCTLbHandleFragment(pDevice, (struct ieee80211_hdr *) (pbyFrame), FrameSize, bIsWEP, bExtIV);
487 pDevice->s802_11Counter.ReceivedFragmentCount++;
490 // TODO skb, pbyFrame
491 skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb;
492 FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength;
493 pbyFrame = skb->data + 8;
501 // Management & Control frame Handle
503 if ((IS_TYPE_DATA((pbyFrame))) == false) {
504 // Handle Control & Manage Frame
506 if (IS_TYPE_MGMT((pbyFrame))) {
510 pRxPacket = &(pRCB->sMngPacket);
511 pRxPacket->p80211Header = (PUWLAN_80211HDR)(pbyFrame);
512 pRxPacket->cbMPDULen = FrameSize;
513 pRxPacket->uRSSI = *pbyRSSI;
514 pRxPacket->bySQ = *pbySQ;
515 pRxPacket->qwLocalTSF = cpu_to_le64(*pqwTSFTime);
518 pbyData1 = WLAN_HDR_A3_DATA_PTR(pbyFrame);
519 pbyData2 = WLAN_HDR_A3_DATA_PTR(pbyFrame) + 4;
520 for (ii = 0; ii < (FrameSize - 4); ii++) {
521 *pbyData1 = *pbyData2;
527 pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate);
529 if ( *pbyRxSts == 0 ) {
530 //Discard beacon packet which channel is 0
531 if ( (WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) == WLAN_FSTYPE_BEACON) ||
532 (WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) == WLAN_FSTYPE_PROBERESP) ) {
536 pRxPacket->byRxChannel = (*pbyRxSts) >> 2;
538 // hostap Deamon handle 802.11 management
539 if (pDevice->bEnableHostapd) {
540 skb->dev = pDevice->apdev;
545 skb_put(skb, FrameSize);
546 skb_reset_mac_header(skb);
547 skb->pkt_type = PACKET_OTHERHOST;
548 skb->protocol = htons(ETH_P_802_2);
549 memset(skb->cb, 0, sizeof(skb->cb));
555 // Insert the RCB in the Recv Mng list
557 EnqueueRCB(pDevice->FirstRecvMngList, pDevice->LastRecvMngList, pRCBIndicate);
558 pDevice->NumRecvMngList++;
559 if ( bDeFragRx == false) {
562 if (pDevice->bIsRxMngWorkItemQueued == false) {
563 pDevice->bIsRxMngWorkItemQueued = true;
564 tasklet_schedule(&pDevice->RxMngWorkItem);
574 if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
575 //In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC.
576 if ( !(*pbyRsr & RSR_BSSIDOK)) {
578 if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
579 DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
587 // discard DATA packet while not associate || BSSID error
588 if ((pDevice->bLinkPass == false) ||
589 !(*pbyRsr & RSR_BSSIDOK)) {
591 if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
592 DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
598 //mike add:station mode check eapol-key challenge--->
600 u8 Protocol_Version; //802.1x Authentication
601 u8 Packet_Type; //802.1x Authentication
608 wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) |
609 skb->data[cbIVOffset + 8 + 24 + 6 + 1];
610 Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1];
611 Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1];
612 if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header
613 if(((Protocol_Version==1) ||(Protocol_Version==2)) &&
614 (Packet_Type==3)) { //802.1x OR eapol-key challenge frame receive
616 Descriptor_type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2];
617 Key_info = (skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2+1]<<8) |skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2+2] ;
618 if(Descriptor_type==2) { //RSN
619 // printk("WPA2_Rx_eapol-key_info<-----:%x\n",Key_info);
621 else if(Descriptor_type==254) {
622 // printk("WPA_Rx_eapol-key_info<-----:%x\n",Key_info);
627 //mike add:station mode check eapol-key challenge<---
633 if (pDevice->bEnablePSMode) {
634 if (IS_FC_MOREDATA((pbyFrame))) {
635 if (*pbyRsr & RSR_ADDROK) {
636 //PSbSendPSPOLL((PSDevice)pDevice);
640 if (pMgmt->bInTIMWake == true) {
641 pMgmt->bInTIMWake = false;
646 // Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps
647 if (pDevice->bDiversityEnable && (FrameSize>50) &&
648 (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) &&
649 (pDevice->bLinkPass == true)) {
650 BBvAntennaDiversity(pDevice, s_byGetRateIdx(*pbyRxRate), 0);
653 // ++++++++ For BaseBand Algorithm +++++++++++++++
654 pDevice->uCurrRSSI = *pbyRSSI;
655 pDevice->byCurrSQ = *pbySQ;
659 if ((*pbyRSSI != 0) &&
660 (pMgmt->pCurrBSS!=NULL)) {
661 RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm);
662 // Monitor if RSSI is too strong.
663 pMgmt->pCurrBSS->byRSSIStatCnt++;
664 pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT;
665 pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm;
666 for (ii = 0; ii < RSSI_STAT_COUNT; ii++) {
667 if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) {
668 pMgmt->pCurrBSS->ldBmMAX =
669 max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm);
675 // -----------------------------------------------
677 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == true)){
680 // Only 802.1x packet incoming allowed
685 wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) |
686 skb->data[cbIVOffset + 8 + 24 + 6 + 1];
688 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wEtherType = %04x \n", wEtherType);
689 if (wEtherType == ETH_P_PAE) {
690 skb->dev = pDevice->apdev;
692 if (bIsWEP == true) {
693 // strip IV header(8)
694 memcpy(&abyMacHdr[0], (skb->data + 8), 24);
695 memcpy((skb->data + 8 + cbIVOffset), &abyMacHdr[0], 24);
698 skb->data += (cbIVOffset + 8);
699 skb->tail += (cbIVOffset + 8);
700 skb_put(skb, FrameSize);
701 skb_reset_mac_header(skb);
702 skb->pkt_type = PACKET_OTHERHOST;
703 skb->protocol = htons(ETH_P_802_2);
704 memset(skb->cb, 0, sizeof(skb->cb));
709 // check if 802.1x authorized
710 if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED))
714 if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
716 FrameSize -= 8; //MIC
720 //--------------------------------------------------------------------------------
722 if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) {
727 u32 dwMICKey0 = 0, dwMICKey1 = 0;
728 u32 dwLocalMIC_L = 0;
729 u32 dwLocalMIC_R = 0;
731 if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
732 dwMICKey0 = cpu_to_le32(*(u32 *)(&pKey->abyKey[24]));
733 dwMICKey1 = cpu_to_le32(*(u32 *)(&pKey->abyKey[28]));
736 if (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) {
737 dwMICKey0 = cpu_to_le32(*(u32 *)(&pKey->abyKey[16]));
738 dwMICKey1 = cpu_to_le32(*(u32 *)(&pKey->abyKey[20]));
739 } else if ((pKey->dwKeyIndex & BIT28) == 0) {
740 dwMICKey0 = cpu_to_le32(*(u32 *)(&pKey->abyKey[16]));
741 dwMICKey1 = cpu_to_le32(*(u32 *)(&pKey->abyKey[20]));
743 dwMICKey0 = cpu_to_le32(*(u32 *)(&pKey->abyKey[24]));
744 dwMICKey1 = cpu_to_le32(*(u32 *)(&pKey->abyKey[28]));
748 MIC_vInit(dwMICKey0, dwMICKey1);
749 MIC_vAppend((u8 *)&(pDevice->sRxEthHeader.h_dest[0]), 12);
751 MIC_vAppend((u8 *)&dwMIC_Priority, 4);
752 // 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV.
753 MIC_vAppend((u8 *)(skb->data + 8 + WLAN_HDR_ADDR3_LEN + 8),
754 FrameSize - WLAN_HDR_ADDR3_LEN - 8);
755 MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R);
758 pdwMIC_L = (u32 *)(skb->data + 8 + FrameSize);
759 pdwMIC_R = (u32 *)(skb->data + 8 + FrameSize + 4);
761 if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) ||
762 (pDevice->bRxMICFail == true)) {
763 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n");
764 pDevice->bRxMICFail = false;
765 //pDevice->s802_11Counter.TKIPLocalMICFailures.QuadPart++;
766 pDevice->s802_11Counter.TKIPLocalMICFailures++;
768 if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
769 DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
773 //send event to wpa_supplicant
774 //if(pDevice->bWPASuppWextEnabled == true)
776 union iwreq_data wrqu;
777 struct iw_michaelmicfailure ev;
778 int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits
779 memset(&ev, 0, sizeof(ev));
780 ev.flags = keyidx & IW_MICFAILURE_KEY_ID;
781 if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) &&
782 (pMgmt->eCurrState == WMAC_STATE_ASSOC) &&
783 (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) {
784 ev.flags |= IW_MICFAILURE_PAIRWISE;
786 ev.flags |= IW_MICFAILURE_GROUP;
789 ev.src_addr.sa_family = ARPHRD_ETHER;
790 memcpy(ev.src_addr.sa_data, pMACHeader->addr2, ETH_ALEN);
791 memset(&wrqu, 0, sizeof(wrqu));
792 wrqu.data.length = sizeof(ev);
793 PRINT_K("wireless_send_event--->IWEVMICHAELMICFAILURE\n");
794 wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev);
802 } //---end of SOFT MIC-----------------------------------------------------------------------
804 // ++++++++++ Reply Counter Check +++++++++++++
806 if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) ||
807 (pKey->byCipherSuite == KEY_CTL_CCMP))) {
809 u16 wLocalTSC15_0 = 0;
810 u32 dwLocalTSC47_16 = 0;
811 unsigned long long RSC = 0;
813 RSC = *((unsigned long long *) &(pKey->KeyRSC));
814 wLocalTSC15_0 = (u16) RSC;
815 dwLocalTSC47_16 = (u32) (RSC>>16);
820 memcpy(&(pKey->KeyRSC), &RSC, sizeof(u64));
822 if (pDevice->vnt_mgmt.eCurrMode == WMAC_MODE_ESS_STA &&
823 pDevice->vnt_mgmt.eCurrState == WMAC_STATE_ASSOC) {
825 if ( (wRxTSC15_0 < wLocalTSC15_0) &&
826 (dwRxTSC47_16 <= dwLocalTSC47_16) &&
827 !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) {
828 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC is illegal~~!\n ");
829 if (pKey->byCipherSuite == KEY_CTL_TKIP)
830 //pDevice->s802_11Counter.TKIPReplays.QuadPart++;
831 pDevice->s802_11Counter.TKIPReplays++;
833 //pDevice->s802_11Counter.CCMPReplays.QuadPart++;
834 pDevice->s802_11Counter.CCMPReplays++;
837 if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
838 DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
846 } // ----- End of Reply Counter Check --------------------------
848 s_vProcessRxMACHeader(pDevice, (u8 *)(skb->data+8), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset);
849 FrameSize -= cbHeaderOffset;
850 cbHeaderOffset += 8; // 8 is Rcv buffer header
852 // Null data, framesize = 12
856 if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) {
857 if (s_bAPModeRxData(pDevice,
866 if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
867 DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
876 skb->data += cbHeaderOffset;
877 skb->tail += cbHeaderOffset;
878 skb_put(skb, FrameSize);
879 skb->protocol=eth_type_trans(skb, skb->dev);
880 skb->ip_summed=CHECKSUM_NONE;
881 pStats->rx_bytes +=skb->len;
882 pStats->rx_packets++;
885 if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) {
886 DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n",
895 static int s_bAPModeRxCtl(struct vnt_private *pDevice, u8 *pbyFrame,
898 struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
899 struct ieee80211_hdr *p802_11Header;
902 if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) {
904 p802_11Header = (struct ieee80211_hdr *) (pbyFrame);
905 if (!IS_TYPE_MGMT(pbyFrame)) {
907 // Data & PS-Poll packet
909 if (iSANodeIndex > 0) {
910 // frame class 3 fliter & checking
911 if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) {
912 // send deauth notification
913 // reason = (6) class 2 received from nonauth sta
914 vMgrDeAuthenBeginSta(pDevice,
916 (u8 *)(p802_11Header->addr2),
917 (WLAN_MGMT_REASON_CLASS2_NONAUTH),
920 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n");
923 if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) {
924 // send deassoc notification
925 // reason = (7) class 3 received from nonassoc sta
926 vMgrDisassocBeginSta(pDevice,
928 (u8 *)(p802_11Header->addr2),
929 (WLAN_MGMT_REASON_CLASS3_NONASSOC),
932 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n");
936 if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) {
937 // delcare received ps-poll event
938 if (IS_CTL_PSPOLL(pbyFrame)) {
939 pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
940 bScheduleCommand((void *) pDevice,
943 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n");
946 // check Data PS state
947 // if PW bit off, send out all PS bufferring packets.
948 if (!IS_FC_POWERMGT(pbyFrame)) {
949 pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
950 pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
951 bScheduleCommand((void *) pDevice,
954 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n");
959 if (IS_FC_POWERMGT(pbyFrame)) {
960 pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = true;
961 // Once if STA in PS state, enable multicast bufferring
962 pMgmt->sNodeDBTable[0].bPSEnable = true;
965 // clear all pending PS frame.
966 if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) {
967 pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = false;
968 pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = true;
969 bScheduleCommand((void *) pDevice,
972 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n");
979 vMgrDeAuthenBeginSta(pDevice,
981 (u8 *)(p802_11Header->addr2),
982 (WLAN_MGMT_REASON_CLASS2_NONAUTH),
985 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n");
986 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%pM\n",
987 p802_11Header->addr3);
988 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%pM\n",
989 p802_11Header->addr2);
990 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%pM\n",
991 p802_11Header->addr1);
992 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: frame_control= %x\n", p802_11Header->frame_control);
1001 static int s_bHandleRxEncryption(struct vnt_private *pDevice, u8 *pbyFrame,
1002 u32 FrameSize, u8 *pbyRsr, u8 *pbyNewRsr, PSKeyItem *pKeyOut,
1003 s32 *pbExtIV, u16 *pwRxTSC15_0, u32 *pdwRxTSC47_16)
1005 struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
1006 u32 PayloadLen = FrameSize;
1009 PSKeyItem pKey = NULL;
1010 u8 byDecMode = KEY_CTL_WEP;
1015 pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
1016 if ( WLAN_GET_FC_TODS(*(u16 *)pbyFrame) &&
1017 WLAN_GET_FC_FROMDS(*(u16 *)pbyFrame) ) {
1018 pbyIV += 6; // 6 is 802.11 address4
1021 byKeyIdx = (*(pbyIV+3) & 0xc0);
1023 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
1025 if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) ||
1026 (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) ||
1027 (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) ||
1028 (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) ||
1029 (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) {
1030 if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) &&
1031 (pMgmt->byCSSPK != KEY_CTL_NONE)) {
1032 // unicast pkt use pairwise key
1033 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n");
1034 if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == true) {
1035 if (pMgmt->byCSSPK == KEY_CTL_TKIP)
1036 byDecMode = KEY_CTL_TKIP;
1037 else if (pMgmt->byCSSPK == KEY_CTL_CCMP)
1038 byDecMode = KEY_CTL_CCMP;
1040 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt: %d, %p\n", byDecMode, pKey);
1043 KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey);
1044 if (pMgmt->byCSSGK == KEY_CTL_TKIP)
1045 byDecMode = KEY_CTL_TKIP;
1046 else if (pMgmt->byCSSGK == KEY_CTL_CCMP)
1047 byDecMode = KEY_CTL_CCMP;
1048 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey);
1051 // our WEP only support Default Key
1053 // use default group key
1054 KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey);
1055 if (pMgmt->byCSSGK == KEY_CTL_TKIP)
1056 byDecMode = KEY_CTL_TKIP;
1057 else if (pMgmt->byCSSGK == KEY_CTL_CCMP)
1058 byDecMode = KEY_CTL_CCMP;
1062 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pMgmt->byCSSPK, pMgmt->byCSSGK, byDecMode);
1065 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n");
1066 if (byDecMode == KEY_CTL_WEP) {
1067 // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
1068 } else if (pDevice->bLinkPass == true) {
1069 // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
1073 if (byDecMode != pKey->byCipherSuite) {
1074 if (byDecMode == KEY_CTL_WEP) {
1075 // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
1076 } else if (pDevice->bLinkPass == true) {
1077 // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
1082 if (byDecMode == KEY_CTL_WEP) {
1084 if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
1085 (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true)) {
1090 PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
1091 memcpy(pDevice->abyPRNG, pbyIV, 3);
1092 memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
1093 rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
1094 rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
1096 if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
1097 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1100 } else if ((byDecMode == KEY_CTL_TKIP) ||
1101 (byDecMode == KEY_CTL_CCMP)) {
1104 PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
1105 *pdwRxTSC47_16 = cpu_to_le32(*(u32 *)(pbyIV + 4));
1106 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %x\n", *pdwRxTSC47_16);
1107 if (byDecMode == KEY_CTL_TKIP) {
1108 *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
1110 *pwRxTSC15_0 = cpu_to_le16(*(u16 *)pbyIV);
1112 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0);
1114 if ((byDecMode == KEY_CTL_TKIP) &&
1115 (pDevice->byLocalID <= REV_ID_VT3253_A1)) {
1118 struct ieee80211_hdr *pMACHeader = (struct ieee80211_hdr *) (pbyFrame);
1119 TKIPvMixKey(pKey->abyKey, pMACHeader->addr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
1120 rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
1121 rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
1122 if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
1123 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1124 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
1126 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
1127 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
1132 if ((*(pbyIV+3) & 0x20) != 0)
1137 static int s_bHostWepRxEncryption(struct vnt_private *pDevice, u8 *pbyFrame,
1138 u32 FrameSize, u8 *pbyRsr, int bOnFly, PSKeyItem pKey, u8 *pbyNewRsr,
1139 s32 *pbExtIV, u16 *pwRxTSC15_0, u32 *pdwRxTSC47_16)
1141 struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
1142 struct ieee80211_hdr *pMACHeader;
1143 u32 PayloadLen = FrameSize;
1146 u8 byDecMode = KEY_CTL_WEP;
1151 pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN;
1152 if ( WLAN_GET_FC_TODS(*(u16 *)pbyFrame) &&
1153 WLAN_GET_FC_FROMDS(*(u16 *)pbyFrame) ) {
1154 pbyIV += 6; // 6 is 802.11 address4
1157 byKeyIdx = (*(pbyIV+3) & 0xc0);
1159 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx);
1161 if (pMgmt->byCSSGK == KEY_CTL_TKIP)
1162 byDecMode = KEY_CTL_TKIP;
1163 else if (pMgmt->byCSSGK == KEY_CTL_CCMP)
1164 byDecMode = KEY_CTL_CCMP;
1166 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pMgmt->byCSSPK, pMgmt->byCSSGK, byDecMode);
1168 if (byDecMode != pKey->byCipherSuite) {
1169 if (byDecMode == KEY_CTL_WEP) {
1170 // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++;
1171 } else if (pDevice->bLinkPass == true) {
1172 // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++;
1177 if (byDecMode == KEY_CTL_WEP) {
1179 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"byDecMode == KEY_CTL_WEP\n");
1180 if ((pDevice->byLocalID <= REV_ID_VT3253_A1) ||
1181 (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == true) ||
1182 (bOnFly == false)) {
1188 PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc
1189 memcpy(pDevice->abyPRNG, pbyIV, 3);
1190 memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength);
1191 rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3);
1192 rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen);
1194 if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) {
1195 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1198 } else if ((byDecMode == KEY_CTL_TKIP) ||
1199 (byDecMode == KEY_CTL_CCMP)) {
1202 PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc
1203 *pdwRxTSC47_16 = cpu_to_le32(*(u32 *)(pbyIV + 4));
1204 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %x\n", *pdwRxTSC47_16);
1206 if (byDecMode == KEY_CTL_TKIP) {
1207 *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV));
1209 *pwRxTSC15_0 = cpu_to_le16(*(u16 *)pbyIV);
1211 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0);
1213 if (byDecMode == KEY_CTL_TKIP) {
1215 if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == false)) {
1219 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_TKIP \n");
1220 pMACHeader = (struct ieee80211_hdr *) (pbyFrame);
1221 TKIPvMixKey(pKey->abyKey, pMACHeader->addr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG);
1222 rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN);
1223 rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen);
1224 if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) {
1225 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1226 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n");
1228 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n");
1229 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen);
1234 if (byDecMode == KEY_CTL_CCMP) {
1235 if (bOnFly == false) {
1238 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_CCMP\n");
1239 if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) {
1240 *pbyNewRsr |= NEWRSR_DECRYPTOK;
1241 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC compare OK!\n");
1243 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC fail!\n");
1250 if ((*(pbyIV+3) & 0x20) != 0)
1255 static int s_bAPModeRxData(struct vnt_private *pDevice, struct sk_buff *skb,
1256 u32 FrameSize, u32 cbHeaderOffset, s32 iSANodeIndex, s32 iDANodeIndex)
1258 struct sk_buff *skbcpy;
1259 struct vnt_manager *pMgmt = &pDevice->vnt_mgmt;
1260 int bRelayAndForward = false;
1261 int bRelayOnly = false;
1262 u8 byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80};
1265 if (FrameSize > CB_MAX_BUF_SIZE)
1268 if (is_multicast_ether_addr((u8 *)(skb->data+cbHeaderOffset))) {
1269 if (pMgmt->sNodeDBTable[0].bPSEnable) {
1271 skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz);
1273 // if any node in PS mode, buffer packet until DTIM.
1274 if (skbcpy == NULL) {
1275 DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n");
1278 skbcpy->dev = pDevice->dev;
1279 skbcpy->len = FrameSize;
1280 memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize);
1281 skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy);
1282 pMgmt->sNodeDBTable[0].wEnQueueCnt++;
1284 pMgmt->abyPSTxMap[0] |= byMask[0];
1288 bRelayAndForward = true;
1293 if (BSSbIsSTAInNodeDB(pDevice, (u8 *)(skb->data+cbHeaderOffset), &iDANodeIndex)) {
1294 if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) {
1295 if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) {
1296 // queue this skb until next PS tx, and then release.
1298 skb->data += cbHeaderOffset;
1299 skb->tail += cbHeaderOffset;
1300 skb_put(skb, FrameSize);
1301 skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb);
1303 pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++;
1304 wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID;
1305 pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7];
1306 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n",
1307 iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]);
1317 if (bRelayOnly || bRelayAndForward) {
1318 // relay this packet right now
1319 if (bRelayAndForward)
1322 if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) {
1323 bRelayPacketSend(pDevice, (u8 *) (skb->data + cbHeaderOffset),
1324 FrameSize, (unsigned int) iDANodeIndex);
1330 // none associate, don't forward
1331 if (pDevice->uAssocCount == 0)
1337 void RXvWorkItem(struct vnt_private *pDevice)
1342 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Polling Thread\n");
1343 spin_lock_irq(&pDevice->lock);
1345 while ((pDevice->Flags & fMP_POST_READS) &&
1346 MP_IS_READY(pDevice) &&
1347 (pDevice->NumRecvFreeList != 0) ) {
1348 pRCB = pDevice->FirstRecvFreeList;
1349 pDevice->NumRecvFreeList--;
1350 ASSERT(pRCB);// cannot be NULL
1351 DequeueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList);
1352 ntStatus = PIPEnsBulkInUsbRead(pDevice, pRCB);
1354 pDevice->bIsRxWorkItemQueued = false;
1355 spin_unlock_irq(&pDevice->lock);
1359 void RXvFreeRCB(PRCB pRCB, int bReAllocSkb)
1361 struct vnt_private *pDevice = pRCB->pDevice;
1363 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->RXvFreeRCB\n");
1365 ASSERT(!pRCB->Ref); // should be 0
1366 ASSERT(pRCB->pDevice); // shouldn't be NULL
1368 if (bReAllocSkb == false) {
1369 kfree_skb(pRCB->skb);
1373 if (bReAllocSkb == true) {
1374 pRCB->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
1375 // todo error handling
1376 if (pRCB->skb == NULL) {
1377 DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to re-alloc rx skb\n");
1379 pRCB->skb->dev = pDevice->dev;
1383 // Insert the RCB back in the Recv free list
1385 EnqueueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList, pRCB);
1386 pDevice->NumRecvFreeList++;
1388 if ((pDevice->Flags & fMP_POST_READS) && MP_IS_READY(pDevice) &&
1389 (pDevice->bIsRxWorkItemQueued == false) ) {
1391 pDevice->bIsRxWorkItemQueued = true;
1392 tasklet_schedule(&pDevice->ReadWorkItem);
1394 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"<----RXFreeRCB %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList);
1397 void RXvMngWorkItem(struct vnt_private *pDevice)
1400 struct vnt_rx_mgmt *pRxPacket;
1401 int bReAllocSkb = false;
1403 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Mng Thread\n");
1405 spin_lock_irq(&pDevice->lock);
1406 while (pDevice->NumRecvMngList!=0)
1408 pRCB = pDevice->FirstRecvMngList;
1409 pDevice->NumRecvMngList--;
1410 DequeueRCB(pDevice->FirstRecvMngList, pDevice->LastRecvMngList);
1414 ASSERT(pRCB);// cannot be NULL
1415 pRxPacket = &(pRCB->sMngPacket);
1416 vMgrRxManagePacket(pDevice, &pDevice->vnt_mgmt, pRxPacket);
1418 if(pRCB->Ref == 0) {
1419 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"RxvFreeMng %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList);
1420 RXvFreeRCB(pRCB, bReAllocSkb);
1422 DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Rx Mng Only we have the right to free RCB\n");
1426 pDevice->bIsRxMngWorkItemQueued = false;
1427 spin_unlock_irq(&pDevice->lock);