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92b96797 FB |
1 | /* |
2 | * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc. | |
3 | * All rights reserved. | |
4 | * | |
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. | |
9 | * | |
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. | |
14 | * | |
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. | |
18 | * | |
19 | * File: dpc.c | |
20 | * | |
21 | * Purpose: handle dpc rx functions | |
22 | * | |
23 | * Author: Lyndon Chen | |
24 | * | |
25 | * Date: May 20, 2003 | |
26 | * | |
27 | * 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 | |
36 | * | |
37 | * Revision History: | |
38 | * | |
39 | */ | |
40 | ||
92b96797 | 41 | #include "device.h" |
92b96797 | 42 | #include "rxtx.h" |
92b96797 | 43 | #include "tether.h" |
92b96797 | 44 | #include "card.h" |
92b96797 | 45 | #include "bssdb.h" |
92b96797 | 46 | #include "mac.h" |
92b96797 | 47 | #include "baseband.h" |
92b96797 | 48 | #include "michael.h" |
92b96797 | 49 | #include "tkip.h" |
92b96797 | 50 | #include "tcrc.h" |
92b96797 | 51 | #include "wctl.h" |
92b96797 | 52 | #include "hostap.h" |
92b96797 | 53 | #include "rf.h" |
92b96797 | 54 | #include "iowpa.h" |
92b96797 | 55 | #include "aes_ccmp.h" |
92b96797 | 56 | #include "datarate.h" |
92b96797 | 57 | #include "usbpipe.h" |
92b96797 FB |
58 | |
59 | /*--------------------- Static Definitions -------------------------*/ | |
60 | ||
61 | /*--------------------- Static Classes ----------------------------*/ | |
62 | ||
63 | /*--------------------- Static Variables --------------------------*/ | |
64 | //static int msglevel =MSG_LEVEL_DEBUG; | |
65 | static int msglevel =MSG_LEVEL_INFO; | |
66 | ||
67 | const BYTE acbyRxRate[MAX_RATE] = | |
68 | {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108}; | |
69 | ||
70 | ||
71 | /*--------------------- Static Functions --------------------------*/ | |
72 | ||
73 | /*--------------------- Static Definitions -------------------------*/ | |
74 | ||
75 | /*--------------------- Static Functions --------------------------*/ | |
76 | ||
77 | static BYTE s_byGetRateIdx(IN BYTE byRate); | |
78 | ||
79 | ||
80 | static | |
81 | VOID | |
82 | s_vGetDASA( | |
83 | IN PBYTE pbyRxBufferAddr, | |
84 | OUT PUINT pcbHeaderSize, | |
85 | OUT PSEthernetHeader psEthHeader | |
86 | ); | |
87 | ||
88 | static | |
89 | VOID | |
90 | s_vProcessRxMACHeader ( | |
91 | IN PSDevice pDevice, | |
92 | IN PBYTE pbyRxBufferAddr, | |
93 | IN UINT cbPacketSize, | |
94 | IN BOOL bIsWEP, | |
95 | IN BOOL bExtIV, | |
96 | OUT PUINT pcbHeadSize | |
97 | ); | |
98 | ||
99 | static BOOL s_bAPModeRxCtl( | |
100 | IN PSDevice pDevice, | |
101 | IN PBYTE pbyFrame, | |
102 | IN INT iSANodeIndex | |
103 | ); | |
104 | ||
105 | ||
106 | ||
107 | static BOOL s_bAPModeRxData ( | |
108 | IN PSDevice pDevice, | |
109 | IN struct sk_buff* skb, | |
110 | IN UINT FrameSize, | |
111 | IN UINT cbHeaderOffset, | |
112 | IN INT iSANodeIndex, | |
113 | IN INT iDANodeIndex | |
114 | ); | |
115 | ||
116 | ||
117 | static BOOL s_bHandleRxEncryption( | |
118 | IN PSDevice pDevice, | |
119 | IN PBYTE pbyFrame, | |
120 | IN UINT FrameSize, | |
121 | IN PBYTE pbyRsr, | |
122 | OUT PBYTE pbyNewRsr, | |
123 | OUT PSKeyItem *pKeyOut, | |
193a823c | 124 | int * pbExtIV, |
92b96797 FB |
125 | OUT PWORD pwRxTSC15_0, |
126 | OUT PDWORD pdwRxTSC47_16 | |
127 | ); | |
128 | ||
129 | static BOOL s_bHostWepRxEncryption( | |
130 | ||
131 | IN PSDevice pDevice, | |
132 | IN PBYTE pbyFrame, | |
133 | IN UINT FrameSize, | |
134 | IN PBYTE pbyRsr, | |
135 | IN BOOL bOnFly, | |
136 | IN PSKeyItem pKey, | |
137 | OUT PBYTE pbyNewRsr, | |
193a823c | 138 | int * pbExtIV, |
92b96797 FB |
139 | OUT PWORD pwRxTSC15_0, |
140 | OUT PDWORD pdwRxTSC47_16 | |
141 | ||
142 | ); | |
143 | ||
144 | /*--------------------- Export Variables --------------------------*/ | |
145 | ||
146 | /*+ | |
147 | * | |
148 | * Description: | |
149 | * Translate Rcv 802.11 header to 802.3 header with Rx buffer | |
150 | * | |
151 | * Parameters: | |
152 | * In: | |
153 | * pDevice | |
154 | * dwRxBufferAddr - Address of Rcv Buffer | |
155 | * cbPacketSize - Rcv Packet size | |
156 | * bIsWEP - If Rcv with WEP | |
157 | * Out: | |
158 | * pcbHeaderSize - 802.11 header size | |
159 | * | |
160 | * Return Value: None | |
161 | * | |
162 | -*/ | |
163 | static | |
164 | VOID | |
165 | s_vProcessRxMACHeader ( | |
166 | IN PSDevice pDevice, | |
167 | IN PBYTE pbyRxBufferAddr, | |
168 | IN UINT cbPacketSize, | |
169 | IN BOOL bIsWEP, | |
170 | IN BOOL bExtIV, | |
171 | OUT PUINT pcbHeadSize | |
172 | ) | |
173 | { | |
174 | PBYTE pbyRxBuffer; | |
175 | UINT cbHeaderSize = 0; | |
176 | PWORD pwType; | |
177 | PS802_11Header pMACHeader; | |
178 | int ii; | |
179 | ||
180 | ||
181 | pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize); | |
182 | ||
183 | s_vGetDASA((PBYTE)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader); | |
184 | ||
185 | if (bIsWEP) { | |
186 | if (bExtIV) { | |
187 | // strip IV&ExtIV , add 8 byte | |
188 | cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8); | |
189 | } else { | |
190 | // strip IV , add 4 byte | |
191 | cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4); | |
192 | } | |
193 | } | |
194 | else { | |
195 | cbHeaderSize += WLAN_HDR_ADDR3_LEN; | |
196 | }; | |
197 | ||
198 | pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize); | |
199 | if (IS_ETH_ADDRESS_EQUAL(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) { | |
200 | cbHeaderSize += 6; | |
201 | } | |
202 | else if (IS_ETH_ADDRESS_EQUAL(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) { | |
203 | cbHeaderSize += 6; | |
204 | pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); | |
205 | if ((*pwType!= TYPE_PKT_IPX) && (*pwType != cpu_to_le16(0xF380))) { | |
206 | } | |
207 | else { | |
208 | cbHeaderSize -= 8; | |
209 | pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); | |
210 | if (bIsWEP) { | |
211 | if (bExtIV) { | |
212 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV | |
213 | } else { | |
214 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV | |
215 | } | |
216 | } | |
217 | else { | |
218 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN); | |
219 | } | |
220 | } | |
221 | } | |
222 | else { | |
223 | cbHeaderSize -= 2; | |
224 | pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); | |
225 | if (bIsWEP) { | |
226 | if (bExtIV) { | |
227 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV | |
228 | } else { | |
229 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV | |
230 | } | |
231 | } | |
232 | else { | |
233 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN); | |
234 | } | |
235 | } | |
236 | ||
237 | cbHeaderSize -= (U_ETHER_ADDR_LEN * 2); | |
238 | pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize); | |
239 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) | |
240 | *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii]; | |
241 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) | |
242 | *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii]; | |
243 | ||
244 | *pcbHeadSize = cbHeaderSize; | |
245 | } | |
246 | ||
247 | ||
248 | ||
249 | ||
250 | static BYTE s_byGetRateIdx (IN BYTE byRate) | |
251 | { | |
252 | BYTE byRateIdx; | |
253 | ||
254 | for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) { | |
255 | if (acbyRxRate[byRateIdx%MAX_RATE] == byRate) | |
256 | return byRateIdx; | |
257 | } | |
258 | return 0; | |
259 | } | |
260 | ||
261 | ||
262 | static | |
263 | VOID | |
264 | s_vGetDASA ( | |
265 | IN PBYTE pbyRxBufferAddr, | |
266 | OUT PUINT pcbHeaderSize, | |
267 | OUT PSEthernetHeader psEthHeader | |
268 | ) | |
269 | { | |
270 | UINT cbHeaderSize = 0; | |
271 | PS802_11Header pMACHeader; | |
272 | int ii; | |
273 | ||
274 | pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize); | |
275 | ||
276 | if ((pMACHeader->wFrameCtl & FC_TODS) == 0) { | |
277 | if (pMACHeader->wFrameCtl & FC_FROMDS) { | |
278 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) { | |
279 | psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii]; | |
280 | psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii]; | |
281 | } | |
282 | } | |
283 | else { | |
284 | // IBSS mode | |
285 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) { | |
286 | psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii]; | |
287 | psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii]; | |
288 | } | |
289 | } | |
290 | } | |
291 | else { | |
292 | // Is AP mode.. | |
293 | if (pMACHeader->wFrameCtl & FC_FROMDS) { | |
294 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) { | |
295 | psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii]; | |
296 | psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii]; | |
297 | cbHeaderSize += 6; | |
298 | } | |
299 | } | |
300 | else { | |
301 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) { | |
302 | psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii]; | |
303 | psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii]; | |
304 | } | |
305 | } | |
306 | }; | |
307 | *pcbHeaderSize = cbHeaderSize; | |
308 | } | |
309 | ||
310 | ||
311 | ||
312 | ||
313 | BOOL | |
314 | RXbBulkInProcessData ( | |
315 | IN PSDevice pDevice, | |
316 | IN PRCB pRCB, | |
317 | IN ULONG BytesToIndicate | |
318 | ) | |
319 | { | |
320 | ||
321 | struct net_device_stats* pStats=&pDevice->stats; | |
322 | struct sk_buff* skb; | |
323 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); | |
324 | PSRxMgmtPacket pRxPacket = &(pMgmt->sRxPacket); | |
325 | PS802_11Header p802_11Header; | |
326 | PBYTE pbyRsr; | |
327 | PBYTE pbyNewRsr; | |
328 | PBYTE pbyRSSI; | |
329 | PQWORD pqwTSFTime; | |
330 | PBYTE pbyFrame; | |
331 | BOOL bDeFragRx = FALSE; | |
332 | UINT cbHeaderOffset; | |
333 | UINT FrameSize; | |
334 | WORD wEtherType = 0; | |
335 | INT iSANodeIndex = -1; | |
336 | INT iDANodeIndex = -1; | |
337 | UINT ii; | |
338 | UINT cbIVOffset; | |
339 | PBYTE pbyRxSts; | |
340 | PBYTE pbyRxRate; | |
341 | PBYTE pbySQ; | |
342 | #ifdef Calcu_LinkQual | |
343 | PBYTE pby3SQ; | |
344 | #endif | |
345 | UINT cbHeaderSize; | |
346 | PSKeyItem pKey = NULL; | |
347 | WORD wRxTSC15_0 = 0; | |
348 | DWORD dwRxTSC47_16 = 0; | |
349 | SKeyItem STempKey; | |
350 | // 802.11h RPI | |
351 | //LONG ldBm = 0; | |
352 | BOOL bIsWEP = FALSE; | |
353 | BOOL bExtIV = FALSE; | |
354 | DWORD dwWbkStatus; | |
355 | PRCB pRCBIndicate = pRCB; | |
356 | PBYTE pbyDAddress; | |
357 | PWORD pwPLCP_Length; | |
358 | BYTE abyVaildRate[MAX_RATE] = {2,4,11,22,12,18,24,36,48,72,96,108}; | |
359 | WORD wPLCPwithPadding; | |
360 | PS802_11Header pMACHeader; | |
361 | BOOL bRxeapol_key = FALSE; | |
362 | ||
363 | ||
364 | ||
365 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- RXbBulkInProcessData---\n"); | |
366 | ||
367 | skb = pRCB->skb; | |
368 | ||
369 | //[31:16]RcvByteCount ( not include 4-byte Status ) | |
370 | dwWbkStatus = *( (PDWORD)(skb->data) ); | |
371 | FrameSize = (UINT)(dwWbkStatus >> 16); | |
372 | FrameSize += 4; | |
373 | ||
374 | if (BytesToIndicate != FrameSize) { | |
375 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 1 \n"); | |
376 | return FALSE; | |
377 | } | |
378 | ||
379 | if ((BytesToIndicate > 2372)||(BytesToIndicate <= 40)) { | |
380 | // Frame Size error drop this packet. | |
381 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 2 \n"); | |
382 | return FALSE; | |
383 | } | |
384 | ||
385 | pbyDAddress = (PBYTE)(skb->data); | |
386 | pbyRxSts = pbyDAddress+4; | |
387 | pbyRxRate = pbyDAddress+5; | |
388 | ||
389 | //real Frame Size = USBFrameSize -4WbkStatus - 4RxStatus - 8TSF - 4RSR - 4SQ3 - ?Padding | |
390 | //if SQ3 the range is 24~27, if no SQ3 the range is 20~23 | |
391 | //real Frame size in PLCPLength field. | |
392 | pwPLCP_Length = (PWORD) (pbyDAddress + 6); | |
393 | //Fix hardware bug => PLCP_Length error | |
394 | if ( ((BytesToIndicate - (*pwPLCP_Length)) > 27) || | |
395 | ((BytesToIndicate - (*pwPLCP_Length)) < 24) || | |
396 | (BytesToIndicate < (*pwPLCP_Length)) ) { | |
397 | ||
398 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Wrong PLCP Length %x\n", (int) *pwPLCP_Length); | |
399 | ASSERT(0); | |
400 | return FALSE; | |
401 | } | |
402 | for ( ii=RATE_1M;ii<MAX_RATE;ii++) { | |
403 | if ( *pbyRxRate == abyVaildRate[ii] ) { | |
404 | break; | |
405 | } | |
406 | } | |
407 | if ( ii==MAX_RATE ) { | |
408 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Wrong RxRate %x\n",(int) *pbyRxRate); | |
409 | return FALSE; | |
410 | } | |
411 | ||
412 | wPLCPwithPadding = ( (*pwPLCP_Length / 4) + ( (*pwPLCP_Length % 4) ? 1:0 ) ) *4; | |
413 | ||
414 | pqwTSFTime = (PQWORD) (pbyDAddress + 8 + wPLCPwithPadding); | |
415 | #ifdef Calcu_LinkQual | |
416 | if(pDevice->byBBType == BB_TYPE_11G) { | |
417 | pby3SQ = pbyDAddress + 8 + wPLCPwithPadding + 12; | |
418 | pbySQ = pby3SQ; | |
419 | } | |
420 | else { | |
421 | pbySQ = pbyDAddress + 8 + wPLCPwithPadding + 8; | |
422 | pby3SQ = pbySQ; | |
423 | } | |
424 | #else | |
425 | pbySQ = pbyDAddress + 8 + wPLCPwithPadding + 8; | |
426 | #endif | |
427 | pbyNewRsr = pbyDAddress + 8 + wPLCPwithPadding + 9; | |
428 | pbyRSSI = pbyDAddress + 8 + wPLCPwithPadding + 10; | |
429 | pbyRsr = pbyDAddress + 8 + wPLCPwithPadding + 11; | |
430 | ||
431 | FrameSize = *pwPLCP_Length; | |
432 | ||
433 | pbyFrame = pbyDAddress + 8; | |
434 | // update receive statistic counter | |
435 | ||
436 | STAvUpdateRDStatCounter(&pDevice->scStatistic, | |
437 | *pbyRsr, | |
438 | *pbyNewRsr, | |
439 | *pbyRxSts, | |
440 | *pbyRxRate, | |
441 | pbyFrame, | |
442 | FrameSize | |
443 | ); | |
444 | ||
445 | ||
446 | pMACHeader = (PS802_11Header) pbyFrame; | |
447 | ||
448 | //mike add: to judge if current AP is activated? | |
449 | if ((pMgmt->eCurrMode == WMAC_MODE_STANDBY) || | |
450 | (pMgmt->eCurrMode == WMAC_MODE_ESS_STA)) { | |
451 | if (pMgmt->sNodeDBTable[0].bActive) { | |
452 | if(IS_ETH_ADDRESS_EQUAL (pMgmt->abyCurrBSSID, pMACHeader->abyAddr2) ) { | |
453 | if (pMgmt->sNodeDBTable[0].uInActiveCount != 0) | |
454 | pMgmt->sNodeDBTable[0].uInActiveCount = 0; | |
455 | } | |
456 | } | |
457 | } | |
458 | ||
459 | if (!IS_MULTICAST_ADDRESS(pMACHeader->abyAddr1) && !IS_BROADCAST_ADDRESS(pMACHeader->abyAddr1)) { | |
460 | if ( WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header) pbyFrame) ) { | |
461 | pDevice->s802_11Counter.FrameDuplicateCount++; | |
462 | return FALSE; | |
463 | } | |
464 | ||
465 | if ( !IS_ETH_ADDRESS_EQUAL (pDevice->abyCurrentNetAddr, pMACHeader->abyAddr1) ) { | |
466 | return FALSE; | |
467 | } | |
468 | } | |
469 | ||
470 | ||
471 | // Use for TKIP MIC | |
472 | s_vGetDASA(pbyFrame, &cbHeaderSize, &pDevice->sRxEthHeader); | |
473 | ||
474 | if (IS_ETH_ADDRESS_EQUAL((PBYTE)&(pDevice->sRxEthHeader.abySrcAddr[0]), pDevice->abyCurrentNetAddr)) | |
475 | return FALSE; | |
476 | ||
477 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) { | |
478 | if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) { | |
479 | p802_11Header = (PS802_11Header) (pbyFrame); | |
480 | // get SA NodeIndex | |
481 | if (BSSbIsSTAInNodeDB(pDevice, (PBYTE)(p802_11Header->abyAddr2), &iSANodeIndex)) { | |
482 | pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies; | |
483 | pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0; | |
484 | } | |
485 | } | |
486 | } | |
487 | ||
488 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { | |
489 | if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == TRUE) { | |
490 | return FALSE; | |
491 | } | |
492 | } | |
493 | ||
494 | ||
495 | if (IS_FC_WEP(pbyFrame)) { | |
496 | BOOL bRxDecryOK = FALSE; | |
497 | ||
498 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"rx WEP pkt\n"); | |
499 | bIsWEP = TRUE; | |
500 | if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) { | |
501 | pKey = &STempKey; | |
502 | pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite; | |
503 | pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex; | |
504 | pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength; | |
505 | pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16; | |
506 | pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0; | |
507 | memcpy(pKey->abyKey, | |
508 | &pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0], | |
509 | pKey->uKeyLength | |
510 | ); | |
511 | ||
512 | bRxDecryOK = s_bHostWepRxEncryption(pDevice, | |
513 | pbyFrame, | |
514 | FrameSize, | |
515 | pbyRsr, | |
516 | pMgmt->sNodeDBTable[iSANodeIndex].bOnFly, | |
517 | pKey, | |
518 | pbyNewRsr, | |
519 | &bExtIV, | |
520 | &wRxTSC15_0, | |
521 | &dwRxTSC47_16); | |
522 | } else { | |
523 | bRxDecryOK = s_bHandleRxEncryption(pDevice, | |
524 | pbyFrame, | |
525 | FrameSize, | |
526 | pbyRsr, | |
527 | pbyNewRsr, | |
528 | &pKey, | |
529 | &bExtIV, | |
530 | &wRxTSC15_0, | |
531 | &dwRxTSC47_16); | |
532 | } | |
533 | ||
534 | if (bRxDecryOK) { | |
535 | if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) { | |
536 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n"); | |
537 | if ( (pMgmt->eAuthenMode == WMAC_AUTH_WPA) || | |
538 | (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || | |
539 | (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) || | |
540 | (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || | |
541 | (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) { | |
542 | ||
543 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { | |
544 | pDevice->s802_11Counter.TKIPICVErrors++; | |
545 | } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) { | |
546 | pDevice->s802_11Counter.CCMPDecryptErrors++; | |
547 | } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) { | |
548 | // pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++; | |
549 | } | |
550 | } | |
551 | return FALSE; | |
552 | } | |
553 | } else { | |
554 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WEP Func Fail\n"); | |
555 | return FALSE; | |
556 | } | |
557 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) | |
558 | FrameSize -= 8; // Message Integrity Code | |
559 | else | |
560 | FrameSize -= 4; // 4 is ICV | |
561 | } | |
562 | ||
563 | ||
564 | // | |
565 | // RX OK | |
566 | // | |
567 | //remove the CRC length | |
568 | FrameSize -= U_CRC_LEN; | |
569 | ||
8a3d91b0 | 570 | if ( !(*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) && // unicast address |
92b96797 FB |
571 | (IS_FRAGMENT_PKT((pbyFrame))) |
572 | ) { | |
573 | // defragment | |
574 | bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header) (pbyFrame), FrameSize, bIsWEP, bExtIV); | |
575 | pDevice->s802_11Counter.ReceivedFragmentCount++; | |
576 | if (bDeFragRx) { | |
577 | // defrag complete | |
578 | // TODO skb, pbyFrame | |
579 | skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb; | |
580 | FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength; | |
581 | pbyFrame = skb->data + 8; | |
582 | } | |
583 | else { | |
584 | return FALSE; | |
585 | } | |
586 | } | |
587 | ||
588 | // | |
589 | // Management & Control frame Handle | |
590 | // | |
591 | if ((IS_TYPE_DATA((pbyFrame))) == FALSE) { | |
592 | // Handle Control & Manage Frame | |
593 | ||
594 | if (IS_TYPE_MGMT((pbyFrame))) { | |
595 | PBYTE pbyData1; | |
596 | PBYTE pbyData2; | |
597 | ||
598 | pRxPacket = &(pRCB->sMngPacket); | |
599 | pRxPacket->p80211Header = (PUWLAN_80211HDR)(pbyFrame); | |
600 | pRxPacket->cbMPDULen = FrameSize; | |
601 | pRxPacket->uRSSI = *pbyRSSI; | |
602 | pRxPacket->bySQ = *pbySQ; | |
603 | HIDWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(HIDWORD(*pqwTSFTime)); | |
604 | LODWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(LODWORD(*pqwTSFTime)); | |
605 | if (bIsWEP) { | |
606 | // strip IV | |
607 | pbyData1 = WLAN_HDR_A3_DATA_PTR(pbyFrame); | |
608 | pbyData2 = WLAN_HDR_A3_DATA_PTR(pbyFrame) + 4; | |
609 | for (ii = 0; ii < (FrameSize - 4); ii++) { | |
610 | *pbyData1 = *pbyData2; | |
611 | pbyData1++; | |
612 | pbyData2++; | |
613 | } | |
614 | } | |
615 | ||
616 | pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate); | |
617 | ||
618 | if ( *pbyRxSts == 0 ) { | |
619 | //Discard beacon packet which channel is 0 | |
620 | if ( (WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) == WLAN_FSTYPE_BEACON) || | |
621 | (WLAN_GET_FC_FSTYPE((pRxPacket->p80211Header->sA3.wFrameCtl)) == WLAN_FSTYPE_PROBERESP) ) { | |
622 | return TRUE; | |
623 | } | |
624 | } | |
625 | pRxPacket->byRxChannel = (*pbyRxSts) >> 2; | |
626 | ||
627 | // hostap Deamon handle 802.11 management | |
628 | if (pDevice->bEnableHostapd) { | |
629 | skb->dev = pDevice->apdev; | |
630 | //skb->data += 4; | |
631 | //skb->tail += 4; | |
632 | skb->data += 8; | |
633 | skb->tail += 8; | |
634 | skb_put(skb, FrameSize); | |
d899d403 | 635 | skb_reset_mac_header(skb); |
92b96797 FB |
636 | skb->pkt_type = PACKET_OTHERHOST; |
637 | skb->protocol = htons(ETH_P_802_2); | |
638 | memset(skb->cb, 0, sizeof(skb->cb)); | |
639 | netif_rx(skb); | |
640 | return TRUE; | |
641 | } | |
642 | ||
643 | // | |
644 | // Insert the RCB in the Recv Mng list | |
645 | // | |
646 | EnqueueRCB(pDevice->FirstRecvMngList, pDevice->LastRecvMngList, pRCBIndicate); | |
647 | pDevice->NumRecvMngList++; | |
648 | if ( bDeFragRx == FALSE) { | |
649 | pRCB->Ref++; | |
650 | } | |
651 | if (pDevice->bIsRxMngWorkItemQueued == FALSE) { | |
652 | pDevice->bIsRxMngWorkItemQueued = TRUE; | |
653 | tasklet_schedule(&pDevice->RxMngWorkItem); | |
654 | } | |
655 | ||
656 | } | |
657 | else { | |
658 | // Control Frame | |
659 | }; | |
660 | return FALSE; | |
661 | } | |
662 | else { | |
663 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { | |
664 | //In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC. | |
8a3d91b0 | 665 | if ( !(*pbyRsr & RSR_BSSIDOK)) { |
92b96797 FB |
666 | if (bDeFragRx) { |
667 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { | |
668 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", | |
669 | pDevice->dev->name); | |
670 | } | |
671 | } | |
672 | return FALSE; | |
673 | } | |
674 | } | |
675 | else { | |
676 | // discard DATA packet while not associate || BSSID error | |
677 | if ((pDevice->bLinkPass == FALSE) || | |
8a3d91b0 | 678 | !(*pbyRsr & RSR_BSSIDOK)) { |
92b96797 FB |
679 | if (bDeFragRx) { |
680 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { | |
681 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", | |
682 | pDevice->dev->name); | |
683 | } | |
684 | } | |
685 | return FALSE; | |
686 | } | |
687 | //mike add:station mode check eapol-key challenge---> | |
688 | { | |
689 | BYTE Protocol_Version; //802.1x Authentication | |
690 | BYTE Packet_Type; //802.1x Authentication | |
691 | BYTE Descriptor_type; | |
692 | WORD Key_info; | |
693 | if (bIsWEP) | |
694 | cbIVOffset = 8; | |
695 | else | |
696 | cbIVOffset = 0; | |
697 | wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) | | |
698 | skb->data[cbIVOffset + 8 + 24 + 6 + 1]; | |
699 | Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1]; | |
700 | Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1]; | |
701 | if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header | |
702 | if(((Protocol_Version==1) ||(Protocol_Version==2)) && | |
703 | (Packet_Type==3)) { //802.1x OR eapol-key challenge frame receive | |
704 | bRxeapol_key = TRUE; | |
705 | Descriptor_type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1+1+2]; | |
706 | 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] ; | |
707 | if(Descriptor_type==2) { //RSN | |
708 | // printk("WPA2_Rx_eapol-key_info<-----:%x\n",Key_info); | |
709 | } | |
710 | else if(Descriptor_type==254) { | |
711 | // printk("WPA_Rx_eapol-key_info<-----:%x\n",Key_info); | |
712 | } | |
713 | } | |
714 | } | |
715 | } | |
716 | //mike add:station mode check eapol-key challenge<--- | |
717 | } | |
718 | } | |
719 | ||
720 | ||
721 | // Data frame Handle | |
722 | ||
723 | ||
724 | if (pDevice->bEnablePSMode) { | |
725 | if (IS_FC_MOREDATA((pbyFrame))) { | |
8a3d91b0 | 726 | if (*pbyRsr & RSR_ADDROK) { |
92b96797 FB |
727 | //PSbSendPSPOLL((PSDevice)pDevice); |
728 | } | |
729 | } | |
730 | else { | |
731 | if (pMgmt->bInTIMWake == TRUE) { | |
732 | pMgmt->bInTIMWake = FALSE; | |
733 | } | |
734 | } | |
735 | }; | |
736 | ||
737 | // Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps | |
738 | if (pDevice->bDiversityEnable && (FrameSize>50) && | |
739 | (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) && | |
740 | (pDevice->bLinkPass == TRUE)) { | |
741 | BBvAntennaDiversity(pDevice, s_byGetRateIdx(*pbyRxRate), 0); | |
742 | } | |
743 | ||
744 | // ++++++++ For BaseBand Algorithm +++++++++++++++ | |
745 | pDevice->uCurrRSSI = *pbyRSSI; | |
746 | pDevice->byCurrSQ = *pbySQ; | |
747 | ||
748 | // todo | |
749 | /* | |
750 | if ((*pbyRSSI != 0) && | |
751 | (pMgmt->pCurrBSS!=NULL)) { | |
752 | RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm); | |
753 | // Moniter if RSSI is too strong. | |
754 | pMgmt->pCurrBSS->byRSSIStatCnt++; | |
755 | pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT; | |
756 | pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm; | |
757 | for(ii=0;ii<RSSI_STAT_COUNT;ii++) { | |
758 | if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) { | |
759 | pMgmt->pCurrBSS->ldBmMAX = max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm); | |
760 | } | |
761 | } | |
762 | } | |
763 | */ | |
764 | ||
765 | ||
766 | // ----------------------------------------------- | |
767 | ||
768 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == TRUE)){ | |
769 | BYTE abyMacHdr[24]; | |
770 | ||
771 | // Only 802.1x packet incoming allowed | |
772 | if (bIsWEP) | |
773 | cbIVOffset = 8; | |
774 | else | |
775 | cbIVOffset = 0; | |
776 | wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) | | |
777 | skb->data[cbIVOffset + 8 + 24 + 6 + 1]; | |
778 | ||
779 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wEtherType = %04x \n", wEtherType); | |
780 | if (wEtherType == ETH_P_PAE) { | |
781 | skb->dev = pDevice->apdev; | |
782 | ||
783 | if (bIsWEP == TRUE) { | |
784 | // strip IV header(8) | |
785 | memcpy(&abyMacHdr[0], (skb->data + 8), 24); | |
786 | memcpy((skb->data + 8 + cbIVOffset), &abyMacHdr[0], 24); | |
787 | } | |
788 | ||
789 | skb->data += (cbIVOffset + 8); | |
790 | skb->tail += (cbIVOffset + 8); | |
791 | skb_put(skb, FrameSize); | |
d899d403 | 792 | skb_reset_mac_header(skb); |
92b96797 FB |
793 | skb->pkt_type = PACKET_OTHERHOST; |
794 | skb->protocol = htons(ETH_P_802_2); | |
795 | memset(skb->cb, 0, sizeof(skb->cb)); | |
796 | netif_rx(skb); | |
797 | return TRUE; | |
798 | ||
799 | } | |
800 | // check if 802.1x authorized | |
801 | if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED)) | |
802 | return FALSE; | |
803 | } | |
804 | ||
805 | ||
806 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { | |
807 | if (bIsWEP) { | |
808 | FrameSize -= 8; //MIC | |
809 | } | |
810 | } | |
811 | ||
812 | //-------------------------------------------------------------------------------- | |
813 | // Soft MIC | |
814 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { | |
815 | if (bIsWEP) { | |
816 | PDWORD pdwMIC_L; | |
817 | PDWORD pdwMIC_R; | |
818 | DWORD dwMIC_Priority; | |
819 | DWORD dwMICKey0 = 0, dwMICKey1 = 0; | |
820 | DWORD dwLocalMIC_L = 0; | |
821 | DWORD dwLocalMIC_R = 0; | |
822 | viawget_wpa_header *wpahdr; | |
823 | ||
824 | ||
825 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { | |
826 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24])); | |
827 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28])); | |
828 | } | |
829 | else { | |
830 | if (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) { | |
831 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16])); | |
832 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20])); | |
833 | } else if ((pKey->dwKeyIndex & BIT28) == 0) { | |
834 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16])); | |
835 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20])); | |
836 | } else { | |
837 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24])); | |
838 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28])); | |
839 | } | |
840 | } | |
841 | ||
842 | MIC_vInit(dwMICKey0, dwMICKey1); | |
843 | MIC_vAppend((PBYTE)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12); | |
844 | dwMIC_Priority = 0; | |
845 | MIC_vAppend((PBYTE)&dwMIC_Priority, 4); | |
846 | // 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV. | |
847 | MIC_vAppend((PBYTE)(skb->data + 8 + WLAN_HDR_ADDR3_LEN + 8), | |
848 | FrameSize - WLAN_HDR_ADDR3_LEN - 8); | |
849 | MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R); | |
850 | MIC_vUnInit(); | |
851 | ||
852 | pdwMIC_L = (PDWORD)(skb->data + 8 + FrameSize); | |
853 | pdwMIC_R = (PDWORD)(skb->data + 8 + FrameSize + 4); | |
854 | ||
855 | ||
856 | if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) || | |
857 | (pDevice->bRxMICFail == TRUE)) { | |
858 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n"); | |
859 | pDevice->bRxMICFail = FALSE; | |
860 | //pDevice->s802_11Counter.TKIPLocalMICFailures.QuadPart++; | |
861 | pDevice->s802_11Counter.TKIPLocalMICFailures++; | |
862 | if (bDeFragRx) { | |
863 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { | |
864 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", | |
865 | pDevice->dev->name); | |
866 | } | |
867 | } | |
868 | //2008-0409-07, <Add> by Einsn Liu | |
869 | #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT | |
870 | //send event to wpa_supplicant | |
871 | //if(pDevice->bWPASuppWextEnabled == TRUE) | |
872 | { | |
873 | union iwreq_data wrqu; | |
874 | struct iw_michaelmicfailure ev; | |
875 | int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits | |
876 | memset(&ev, 0, sizeof(ev)); | |
877 | ev.flags = keyidx & IW_MICFAILURE_KEY_ID; | |
878 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && | |
879 | (pMgmt->eCurrState == WMAC_STATE_ASSOC) && | |
880 | (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) { | |
881 | ev.flags |= IW_MICFAILURE_PAIRWISE; | |
882 | } else { | |
883 | ev.flags |= IW_MICFAILURE_GROUP; | |
884 | } | |
885 | ||
886 | ev.src_addr.sa_family = ARPHRD_ETHER; | |
887 | memcpy(ev.src_addr.sa_data, pMACHeader->abyAddr2, ETH_ALEN); | |
888 | memset(&wrqu, 0, sizeof(wrqu)); | |
889 | wrqu.data.length = sizeof(ev); | |
890 | PRINT_K("wireless_send_event--->IWEVMICHAELMICFAILURE\n"); | |
891 | wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev); | |
892 | ||
893 | } | |
894 | #endif | |
895 | ||
896 | ||
897 | if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) { | |
898 | wpahdr = (viawget_wpa_header *)pDevice->skb->data; | |
899 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && | |
900 | (pMgmt->eCurrState == WMAC_STATE_ASSOC) && | |
901 | (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) { | |
902 | //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR; | |
903 | wpahdr->type = VIAWGET_PTK_MIC_MSG; | |
904 | } else { | |
905 | //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_GROUP_ERROR; | |
906 | wpahdr->type = VIAWGET_GTK_MIC_MSG; | |
907 | } | |
908 | wpahdr->resp_ie_len = 0; | |
909 | wpahdr->req_ie_len = 0; | |
910 | skb_put(pDevice->skb, sizeof(viawget_wpa_header)); | |
911 | pDevice->skb->dev = pDevice->wpadev; | |
d899d403 | 912 | skb_reset_mac_header(pDevice->skb); |
92b96797 FB |
913 | pDevice->skb->pkt_type = PACKET_HOST; |
914 | pDevice->skb->protocol = htons(ETH_P_802_2); | |
915 | memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); | |
916 | netif_rx(pDevice->skb); | |
917 | pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); | |
918 | }; | |
919 | ||
920 | return FALSE; | |
921 | ||
922 | } | |
923 | } | |
924 | } //---end of SOFT MIC----------------------------------------------------------------------- | |
925 | ||
926 | // ++++++++++ Reply Counter Check +++++++++++++ | |
927 | ||
928 | if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) || | |
929 | (pKey->byCipherSuite == KEY_CTL_CCMP))) { | |
930 | if (bIsWEP) { | |
931 | WORD wLocalTSC15_0 = 0; | |
932 | DWORD dwLocalTSC47_16 = 0; | |
933 | ULONGLONG RSC = 0; | |
934 | // endian issues | |
935 | RSC = *((ULONGLONG *) &(pKey->KeyRSC)); | |
936 | wLocalTSC15_0 = (WORD) RSC; | |
937 | dwLocalTSC47_16 = (DWORD) (RSC>>16); | |
938 | ||
939 | RSC = dwRxTSC47_16; | |
940 | RSC <<= 16; | |
941 | RSC += wRxTSC15_0; | |
3e362598 | 942 | memcpy(&(pKey->KeyRSC), &RSC, sizeof(QWORD)); |
92b96797 FB |
943 | |
944 | if ( (pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) && | |
945 | (pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) { | |
946 | // check RSC | |
947 | if ( (wRxTSC15_0 < wLocalTSC15_0) && | |
948 | (dwRxTSC47_16 <= dwLocalTSC47_16) && | |
949 | !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) { | |
950 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC is illegal~~!\n "); | |
951 | if (pKey->byCipherSuite == KEY_CTL_TKIP) | |
952 | //pDevice->s802_11Counter.TKIPReplays.QuadPart++; | |
953 | pDevice->s802_11Counter.TKIPReplays++; | |
954 | else | |
955 | //pDevice->s802_11Counter.CCMPReplays.QuadPart++; | |
956 | pDevice->s802_11Counter.CCMPReplays++; | |
957 | ||
958 | if (bDeFragRx) { | |
959 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { | |
960 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", | |
961 | pDevice->dev->name); | |
962 | } | |
963 | } | |
964 | return FALSE; | |
965 | } | |
966 | } | |
967 | } | |
968 | } // ----- End of Reply Counter Check -------------------------- | |
969 | ||
970 | ||
971 | s_vProcessRxMACHeader(pDevice, (PBYTE)(skb->data+8), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset); | |
972 | FrameSize -= cbHeaderOffset; | |
973 | cbHeaderOffset += 8; // 8 is Rcv buffer header | |
974 | ||
975 | // Null data, framesize = 12 | |
976 | if (FrameSize < 12) | |
977 | return FALSE; | |
978 | ||
979 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { | |
980 | if (s_bAPModeRxData(pDevice, | |
981 | skb, | |
982 | FrameSize, | |
983 | cbHeaderOffset, | |
984 | iSANodeIndex, | |
985 | iDANodeIndex | |
986 | ) == FALSE) { | |
987 | ||
988 | if (bDeFragRx) { | |
989 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { | |
990 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", | |
991 | pDevice->dev->name); | |
992 | } | |
993 | } | |
994 | return FALSE; | |
995 | } | |
996 | ||
997 | } | |
998 | ||
999 | skb->data += cbHeaderOffset; | |
1000 | skb->tail += cbHeaderOffset; | |
1001 | skb_put(skb, FrameSize); | |
1002 | skb->protocol=eth_type_trans(skb, skb->dev); | |
1003 | skb->ip_summed=CHECKSUM_NONE; | |
1004 | pStats->rx_bytes +=skb->len; | |
1005 | pStats->rx_packets++; | |
1006 | netif_rx(skb); | |
1007 | if (bDeFragRx) { | |
1008 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { | |
1009 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", | |
1010 | pDevice->dev->name); | |
1011 | } | |
1012 | return FALSE; | |
1013 | } | |
1014 | ||
1015 | return TRUE; | |
1016 | } | |
1017 | ||
1018 | ||
1019 | static BOOL s_bAPModeRxCtl ( | |
1020 | IN PSDevice pDevice, | |
1021 | IN PBYTE pbyFrame, | |
1022 | IN INT iSANodeIndex | |
1023 | ) | |
1024 | { | |
1025 | PS802_11Header p802_11Header; | |
1026 | CMD_STATUS Status; | |
1027 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); | |
1028 | ||
1029 | ||
1030 | if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) { | |
1031 | ||
1032 | p802_11Header = (PS802_11Header) (pbyFrame); | |
1033 | if (!IS_TYPE_MGMT(pbyFrame)) { | |
1034 | ||
1035 | // Data & PS-Poll packet | |
1036 | // check frame class | |
1037 | if (iSANodeIndex > 0) { | |
1038 | // frame class 3 fliter & checking | |
1039 | if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) { | |
1040 | // send deauth notification | |
1041 | // reason = (6) class 2 received from nonauth sta | |
1042 | vMgrDeAuthenBeginSta(pDevice, | |
1043 | pMgmt, | |
1044 | (PBYTE)(p802_11Header->abyAddr2), | |
1045 | (WLAN_MGMT_REASON_CLASS2_NONAUTH), | |
1046 | &Status | |
1047 | ); | |
1048 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n"); | |
1049 | return TRUE; | |
1050 | }; | |
1051 | if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) { | |
1052 | // send deassoc notification | |
1053 | // reason = (7) class 3 received from nonassoc sta | |
1054 | vMgrDisassocBeginSta(pDevice, | |
1055 | pMgmt, | |
1056 | (PBYTE)(p802_11Header->abyAddr2), | |
1057 | (WLAN_MGMT_REASON_CLASS3_NONASSOC), | |
1058 | &Status | |
1059 | ); | |
1060 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n"); | |
1061 | return TRUE; | |
1062 | }; | |
1063 | ||
1064 | if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) { | |
1065 | // delcare received ps-poll event | |
1066 | if (IS_CTL_PSPOLL(pbyFrame)) { | |
1067 | pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE; | |
1068 | bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL); | |
1069 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n"); | |
1070 | } | |
1071 | else { | |
1072 | // check Data PS state | |
1073 | // if PW bit off, send out all PS bufferring packets. | |
1074 | if (!IS_FC_POWERMGT(pbyFrame)) { | |
1075 | pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE; | |
1076 | pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE; | |
1077 | bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL); | |
1078 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n"); | |
1079 | } | |
1080 | } | |
1081 | } | |
1082 | else { | |
1083 | if (IS_FC_POWERMGT(pbyFrame)) { | |
1084 | pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = TRUE; | |
1085 | // Once if STA in PS state, enable multicast bufferring | |
1086 | pMgmt->sNodeDBTable[0].bPSEnable = TRUE; | |
1087 | } | |
1088 | else { | |
1089 | // clear all pending PS frame. | |
1090 | if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) { | |
1091 | pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE; | |
1092 | pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE; | |
1093 | bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL); | |
1094 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n"); | |
1095 | ||
1096 | } | |
1097 | } | |
1098 | } | |
1099 | } | |
1100 | else { | |
1101 | vMgrDeAuthenBeginSta(pDevice, | |
1102 | pMgmt, | |
1103 | (PBYTE)(p802_11Header->abyAddr2), | |
1104 | (WLAN_MGMT_REASON_CLASS2_NONAUTH), | |
1105 | &Status | |
1106 | ); | |
1107 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n"); | |
1108 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%02x-%02x-%02x=%02x-%02x-%02x \n", | |
1109 | p802_11Header->abyAddr3[0], | |
1110 | p802_11Header->abyAddr3[1], | |
1111 | p802_11Header->abyAddr3[2], | |
1112 | p802_11Header->abyAddr3[3], | |
1113 | p802_11Header->abyAddr3[4], | |
1114 | p802_11Header->abyAddr3[5] | |
1115 | ); | |
1116 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%02x-%02x-%02x=%02x-%02x-%02x \n", | |
1117 | p802_11Header->abyAddr2[0], | |
1118 | p802_11Header->abyAddr2[1], | |
1119 | p802_11Header->abyAddr2[2], | |
1120 | p802_11Header->abyAddr2[3], | |
1121 | p802_11Header->abyAddr2[4], | |
1122 | p802_11Header->abyAddr2[5] | |
1123 | ); | |
1124 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%02x-%02x-%02x=%02x-%02x-%02x \n", | |
1125 | p802_11Header->abyAddr1[0], | |
1126 | p802_11Header->abyAddr1[1], | |
1127 | p802_11Header->abyAddr1[2], | |
1128 | p802_11Header->abyAddr1[3], | |
1129 | p802_11Header->abyAddr1[4], | |
1130 | p802_11Header->abyAddr1[5] | |
1131 | ); | |
1132 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl ); | |
1133 | return TRUE; | |
1134 | } | |
1135 | } | |
1136 | } | |
1137 | return FALSE; | |
1138 | ||
1139 | } | |
1140 | ||
1141 | static BOOL s_bHandleRxEncryption ( | |
1142 | IN PSDevice pDevice, | |
1143 | IN PBYTE pbyFrame, | |
1144 | IN UINT FrameSize, | |
1145 | IN PBYTE pbyRsr, | |
1146 | OUT PBYTE pbyNewRsr, | |
1147 | OUT PSKeyItem *pKeyOut, | |
193a823c | 1148 | int * pbExtIV, |
92b96797 FB |
1149 | OUT PWORD pwRxTSC15_0, |
1150 | OUT PDWORD pdwRxTSC47_16 | |
1151 | ) | |
1152 | { | |
1153 | UINT PayloadLen = FrameSize; | |
1154 | PBYTE pbyIV; | |
1155 | BYTE byKeyIdx; | |
1156 | PSKeyItem pKey = NULL; | |
1157 | BYTE byDecMode = KEY_CTL_WEP; | |
1158 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); | |
1159 | ||
1160 | ||
1161 | *pwRxTSC15_0 = 0; | |
1162 | *pdwRxTSC47_16 = 0; | |
1163 | ||
1164 | pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN; | |
1165 | if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) && | |
1166 | WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) { | |
1167 | pbyIV += 6; // 6 is 802.11 address4 | |
1168 | PayloadLen -= 6; | |
1169 | } | |
1170 | byKeyIdx = (*(pbyIV+3) & 0xc0); | |
1171 | byKeyIdx >>= 6; | |
1172 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx); | |
1173 | ||
1174 | if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) || | |
1175 | (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || | |
1176 | (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) || | |
1177 | (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || | |
1178 | (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) { | |
1179 | if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) && | |
1180 | (pMgmt->byCSSPK != KEY_CTL_NONE)) { | |
1181 | // unicast pkt use pairwise key | |
1182 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n"); | |
1183 | if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == TRUE) { | |
1184 | if (pMgmt->byCSSPK == KEY_CTL_TKIP) | |
1185 | byDecMode = KEY_CTL_TKIP; | |
1186 | else if (pMgmt->byCSSPK == KEY_CTL_CCMP) | |
1187 | byDecMode = KEY_CTL_CCMP; | |
1188 | } | |
1189 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt: %d, %p\n", byDecMode, pKey); | |
1190 | } else { | |
1191 | // use group key | |
1192 | KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey); | |
1193 | if (pMgmt->byCSSGK == KEY_CTL_TKIP) | |
1194 | byDecMode = KEY_CTL_TKIP; | |
1195 | else if (pMgmt->byCSSGK == KEY_CTL_CCMP) | |
1196 | byDecMode = KEY_CTL_CCMP; | |
1197 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey); | |
1198 | } | |
1199 | } | |
1200 | // our WEP only support Default Key | |
1201 | if (pKey == NULL) { | |
1202 | // use default group key | |
1203 | KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey); | |
1204 | if (pMgmt->byCSSGK == KEY_CTL_TKIP) | |
1205 | byDecMode = KEY_CTL_TKIP; | |
1206 | else if (pMgmt->byCSSGK == KEY_CTL_CCMP) | |
1207 | byDecMode = KEY_CTL_CCMP; | |
1208 | } | |
1209 | *pKeyOut = pKey; | |
1210 | ||
1211 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pMgmt->byCSSPK, pMgmt->byCSSGK, byDecMode); | |
1212 | ||
1213 | if (pKey == NULL) { | |
1214 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n"); | |
1215 | if (byDecMode == KEY_CTL_WEP) { | |
1216 | // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; | |
1217 | } else if (pDevice->bLinkPass == TRUE) { | |
1218 | // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; | |
1219 | } | |
1220 | return FALSE; | |
1221 | } | |
1222 | if (byDecMode != pKey->byCipherSuite) { | |
1223 | if (byDecMode == KEY_CTL_WEP) { | |
1224 | // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; | |
1225 | } else if (pDevice->bLinkPass == TRUE) { | |
1226 | // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; | |
1227 | } | |
1228 | *pKeyOut = NULL; | |
1229 | return FALSE; | |
1230 | } | |
1231 | if (byDecMode == KEY_CTL_WEP) { | |
1232 | // handle WEP | |
1233 | if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || | |
1234 | (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == TRUE)) { | |
1235 | // Software WEP | |
1236 | // 1. 3253A | |
1237 | // 2. WEP 256 | |
1238 | ||
1239 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc | |
3e362598 JL |
1240 | memcpy(pDevice->abyPRNG, pbyIV, 3); |
1241 | memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength); | |
92b96797 FB |
1242 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3); |
1243 | rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen); | |
1244 | ||
1245 | if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) { | |
1246 | *pbyNewRsr |= NEWRSR_DECRYPTOK; | |
1247 | } | |
1248 | } | |
1249 | } else if ((byDecMode == KEY_CTL_TKIP) || | |
1250 | (byDecMode == KEY_CTL_CCMP)) { | |
1251 | // TKIP/AES | |
1252 | ||
1253 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc | |
1254 | *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4)); | |
1255 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16); | |
1256 | if (byDecMode == KEY_CTL_TKIP) { | |
1257 | *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV)); | |
1258 | } else { | |
1259 | *pwRxTSC15_0 = cpu_to_le16(*(PWORD)pbyIV); | |
1260 | } | |
1261 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0); | |
1262 | ||
1263 | if ((byDecMode == KEY_CTL_TKIP) && | |
1264 | (pDevice->byLocalID <= REV_ID_VT3253_A1)) { | |
1265 | // Software TKIP | |
1266 | // 1. 3253 A | |
1267 | PS802_11Header pMACHeader = (PS802_11Header) (pbyFrame); | |
1268 | TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG); | |
1269 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN); | |
1270 | rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen); | |
1271 | if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) { | |
1272 | *pbyNewRsr |= NEWRSR_DECRYPTOK; | |
1273 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n"); | |
1274 | } else { | |
1275 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n"); | |
1276 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen); | |
1277 | } | |
1278 | } | |
1279 | }// end of TKIP/AES | |
1280 | ||
1281 | if ((*(pbyIV+3) & 0x20) != 0) | |
1282 | *pbExtIV = TRUE; | |
1283 | return TRUE; | |
1284 | } | |
1285 | ||
1286 | ||
1287 | static BOOL s_bHostWepRxEncryption ( | |
1288 | IN PSDevice pDevice, | |
1289 | IN PBYTE pbyFrame, | |
1290 | IN UINT FrameSize, | |
1291 | IN PBYTE pbyRsr, | |
1292 | IN BOOL bOnFly, | |
1293 | IN PSKeyItem pKey, | |
1294 | OUT PBYTE pbyNewRsr, | |
193a823c | 1295 | int * pbExtIV, |
92b96797 FB |
1296 | OUT PWORD pwRxTSC15_0, |
1297 | OUT PDWORD pdwRxTSC47_16 | |
1298 | ) | |
1299 | { | |
1300 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); | |
1301 | UINT PayloadLen = FrameSize; | |
1302 | PBYTE pbyIV; | |
1303 | BYTE byKeyIdx; | |
1304 | BYTE byDecMode = KEY_CTL_WEP; | |
1305 | PS802_11Header pMACHeader; | |
1306 | ||
1307 | ||
1308 | ||
1309 | *pwRxTSC15_0 = 0; | |
1310 | *pdwRxTSC47_16 = 0; | |
1311 | ||
1312 | pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN; | |
1313 | if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) && | |
1314 | WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) { | |
1315 | pbyIV += 6; // 6 is 802.11 address4 | |
1316 | PayloadLen -= 6; | |
1317 | } | |
1318 | byKeyIdx = (*(pbyIV+3) & 0xc0); | |
1319 | byKeyIdx >>= 6; | |
1320 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx); | |
1321 | ||
1322 | ||
1323 | if (pMgmt->byCSSGK == KEY_CTL_TKIP) | |
1324 | byDecMode = KEY_CTL_TKIP; | |
1325 | else if (pMgmt->byCSSGK == KEY_CTL_CCMP) | |
1326 | byDecMode = KEY_CTL_CCMP; | |
1327 | ||
1328 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pMgmt->byCSSPK, pMgmt->byCSSGK, byDecMode); | |
1329 | ||
1330 | if (byDecMode != pKey->byCipherSuite) { | |
1331 | if (byDecMode == KEY_CTL_WEP) { | |
1332 | // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; | |
1333 | } else if (pDevice->bLinkPass == TRUE) { | |
1334 | // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; | |
1335 | } | |
1336 | return FALSE; | |
1337 | } | |
1338 | ||
1339 | if (byDecMode == KEY_CTL_WEP) { | |
1340 | // handle WEP | |
1341 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"byDecMode == KEY_CTL_WEP \n"); | |
1342 | if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || | |
1343 | (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == TRUE) || | |
1344 | (bOnFly == FALSE)) { | |
1345 | // Software WEP | |
1346 | // 1. 3253A | |
1347 | // 2. WEP 256 | |
1348 | // 3. NotOnFly | |
1349 | ||
1350 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc | |
3e362598 JL |
1351 | memcpy(pDevice->abyPRNG, pbyIV, 3); |
1352 | memcpy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength); | |
92b96797 FB |
1353 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3); |
1354 | rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen); | |
1355 | ||
1356 | if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) { | |
1357 | *pbyNewRsr |= NEWRSR_DECRYPTOK; | |
1358 | } | |
1359 | } | |
1360 | } else if ((byDecMode == KEY_CTL_TKIP) || | |
1361 | (byDecMode == KEY_CTL_CCMP)) { | |
1362 | // TKIP/AES | |
1363 | ||
1364 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc | |
1365 | *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4)); | |
1366 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16); | |
1367 | ||
1368 | if (byDecMode == KEY_CTL_TKIP) { | |
1369 | *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV)); | |
1370 | } else { | |
1371 | *pwRxTSC15_0 = cpu_to_le16(*(PWORD)pbyIV); | |
1372 | } | |
1373 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0); | |
1374 | ||
1375 | if (byDecMode == KEY_CTL_TKIP) { | |
1376 | ||
1377 | if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == FALSE)) { | |
1378 | // Software TKIP | |
1379 | // 1. 3253 A | |
1380 | // 2. NotOnFly | |
1381 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_TKIP \n"); | |
1382 | pMACHeader = (PS802_11Header) (pbyFrame); | |
1383 | TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG); | |
1384 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN); | |
1385 | rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen); | |
1386 | if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) { | |
1387 | *pbyNewRsr |= NEWRSR_DECRYPTOK; | |
1388 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n"); | |
1389 | } else { | |
1390 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n"); | |
1391 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen); | |
1392 | } | |
1393 | } | |
1394 | } | |
1395 | ||
1396 | if (byDecMode == KEY_CTL_CCMP) { | |
1397 | if (bOnFly == FALSE) { | |
1398 | // Software CCMP | |
1399 | // NotOnFly | |
1400 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_CCMP\n"); | |
1401 | if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) { | |
1402 | *pbyNewRsr |= NEWRSR_DECRYPTOK; | |
1403 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC compare OK!\n"); | |
1404 | } else { | |
1405 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC fail!\n"); | |
1406 | } | |
1407 | } | |
1408 | } | |
1409 | ||
1410 | }// end of TKIP/AES | |
1411 | ||
1412 | if ((*(pbyIV+3) & 0x20) != 0) | |
1413 | *pbExtIV = TRUE; | |
1414 | return TRUE; | |
1415 | } | |
1416 | ||
1417 | ||
1418 | ||
1419 | static BOOL s_bAPModeRxData ( | |
1420 | IN PSDevice pDevice, | |
1421 | IN struct sk_buff* skb, | |
1422 | IN UINT FrameSize, | |
1423 | IN UINT cbHeaderOffset, | |
1424 | IN INT iSANodeIndex, | |
1425 | IN INT iDANodeIndex | |
1426 | ) | |
1427 | ||
1428 | { | |
1429 | PSMgmtObject pMgmt = &(pDevice->sMgmtObj); | |
1430 | BOOL bRelayAndForward = FALSE; | |
1431 | BOOL bRelayOnly = FALSE; | |
1432 | BYTE byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; | |
1433 | WORD wAID; | |
1434 | ||
1435 | ||
1436 | struct sk_buff* skbcpy = NULL; | |
1437 | ||
1438 | if (FrameSize > CB_MAX_BUF_SIZE) | |
1439 | return FALSE; | |
1440 | // check DA | |
1441 | if(IS_MULTICAST_ADDRESS((PBYTE)(skb->data+cbHeaderOffset))) { | |
1442 | if (pMgmt->sNodeDBTable[0].bPSEnable) { | |
1443 | ||
1444 | skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz); | |
1445 | ||
1446 | // if any node in PS mode, buffer packet until DTIM. | |
1447 | if (skbcpy == NULL) { | |
1448 | DBG_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n"); | |
1449 | } | |
1450 | else { | |
1451 | skbcpy->dev = pDevice->dev; | |
1452 | skbcpy->len = FrameSize; | |
1453 | memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize); | |
1454 | skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy); | |
1455 | pMgmt->sNodeDBTable[0].wEnQueueCnt++; | |
1456 | // set tx map | |
1457 | pMgmt->abyPSTxMap[0] |= byMask[0]; | |
1458 | } | |
1459 | } | |
1460 | else { | |
1461 | bRelayAndForward = TRUE; | |
1462 | } | |
1463 | } | |
1464 | else { | |
1465 | // check if relay | |
1466 | if (BSSbIsSTAInNodeDB(pDevice, (PBYTE)(skb->data+cbHeaderOffset), &iDANodeIndex)) { | |
1467 | if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) { | |
1468 | if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) { | |
1469 | // queue this skb until next PS tx, and then release. | |
1470 | ||
1471 | skb->data += cbHeaderOffset; | |
1472 | skb->tail += cbHeaderOffset; | |
1473 | skb_put(skb, FrameSize); | |
1474 | skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb); | |
1475 | ||
1476 | pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++; | |
1477 | wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID; | |
1478 | pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7]; | |
1479 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n", | |
1480 | iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]); | |
1481 | return TRUE; | |
1482 | } | |
1483 | else { | |
1484 | bRelayOnly = TRUE; | |
1485 | } | |
1486 | } | |
1487 | }; | |
1488 | } | |
1489 | ||
1490 | if (bRelayOnly || bRelayAndForward) { | |
1491 | // relay this packet right now | |
1492 | if (bRelayAndForward) | |
1493 | iDANodeIndex = 0; | |
1494 | ||
1495 | if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) { | |
1496 | bRelayPacketSend(pDevice, (PBYTE)(skb->data + cbHeaderOffset), FrameSize, (UINT)iDANodeIndex); | |
1497 | } | |
1498 | ||
1499 | if (bRelayOnly) | |
1500 | return FALSE; | |
1501 | } | |
1502 | // none associate, don't forward | |
1503 | if (pDevice->uAssocCount == 0) | |
1504 | return FALSE; | |
1505 | ||
1506 | return TRUE; | |
1507 | } | |
1508 | ||
1509 | ||
1510 | ||
1511 | ||
1512 | VOID | |
1513 | RXvWorkItem( | |
1514 | PVOID Context | |
1515 | ) | |
1516 | { | |
1517 | PSDevice pDevice = (PSDevice) Context; | |
1518 | NTSTATUS ntStatus; | |
1519 | PRCB pRCB=NULL; | |
1520 | ||
1521 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Polling Thread\n"); | |
1522 | spin_lock_irq(&pDevice->lock); | |
1523 | while ( MP_TEST_FLAG(pDevice, fMP_POST_READS) && | |
1524 | MP_IS_READY(pDevice) && | |
1525 | (pDevice->NumRecvFreeList != 0) ) { | |
1526 | pRCB = pDevice->FirstRecvFreeList; | |
1527 | pDevice->NumRecvFreeList--; | |
1528 | ASSERT(pRCB);// cannot be NULL | |
1529 | DequeueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList); | |
1530 | ntStatus = PIPEnsBulkInUsbRead(pDevice, pRCB); | |
1531 | } | |
1532 | pDevice->bIsRxWorkItemQueued = FALSE; | |
1533 | spin_unlock_irq(&pDevice->lock); | |
1534 | ||
1535 | } | |
1536 | ||
1537 | ||
1538 | VOID | |
1539 | RXvFreeRCB( | |
1540 | IN PRCB pRCB, | |
1541 | IN BOOL bReAllocSkb | |
1542 | ) | |
1543 | { | |
1544 | PSDevice pDevice = (PSDevice)pRCB->pDevice; | |
1545 | ||
1546 | ||
1547 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->RXvFreeRCB\n"); | |
1548 | ||
1549 | ASSERT(!pRCB->Ref); // should be 0 | |
1550 | ASSERT(pRCB->pDevice); // shouldn't be NULL | |
1551 | ||
1552 | if (bReAllocSkb == TRUE) { | |
1553 | pRCB->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); | |
1554 | // todo error handling | |
1555 | if (pRCB->skb == NULL) { | |
1556 | DBG_PRT(MSG_LEVEL_ERR,KERN_ERR" Failed to re-alloc rx skb\n"); | |
1557 | }else { | |
1558 | pRCB->skb->dev = pDevice->dev; | |
1559 | } | |
1560 | } | |
1561 | // | |
1562 | // Insert the RCB back in the Recv free list | |
1563 | // | |
1564 | EnqueueRCB(pDevice->FirstRecvFreeList, pDevice->LastRecvFreeList, pRCB); | |
1565 | pDevice->NumRecvFreeList++; | |
1566 | ||
1567 | ||
1568 | if (MP_TEST_FLAG(pDevice, fMP_POST_READS) && MP_IS_READY(pDevice) && | |
1569 | (pDevice->bIsRxWorkItemQueued == FALSE) ) { | |
1570 | ||
1571 | pDevice->bIsRxWorkItemQueued = TRUE; | |
1572 | tasklet_schedule(&pDevice->ReadWorkItem); | |
1573 | } | |
1574 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"<----RXFreeRCB %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList); | |
1575 | } | |
1576 | ||
1577 | ||
1578 | VOID | |
1579 | RXvMngWorkItem( | |
1580 | PVOID Context | |
1581 | ) | |
1582 | { | |
1583 | PSDevice pDevice = (PSDevice) Context; | |
1584 | PRCB pRCB=NULL; | |
1585 | PSRxMgmtPacket pRxPacket; | |
1586 | BOOL bReAllocSkb = FALSE; | |
1587 | ||
1588 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---->Rx Mng Thread\n"); | |
1589 | ||
1590 | spin_lock_irq(&pDevice->lock); | |
1591 | while (pDevice->NumRecvMngList!=0) | |
1592 | { | |
1593 | pRCB = pDevice->FirstRecvMngList; | |
1594 | pDevice->NumRecvMngList--; | |
1595 | DequeueRCB(pDevice->FirstRecvMngList, pDevice->LastRecvMngList); | |
1596 | if(!pRCB){ | |
1597 | break; | |
1598 | } | |
1599 | ASSERT(pRCB);// cannot be NULL | |
1600 | pRxPacket = &(pRCB->sMngPacket); | |
1601 | vMgrRxManagePacket((HANDLE)pDevice, &(pDevice->sMgmtObj), pRxPacket); | |
1602 | pRCB->Ref--; | |
1603 | if(pRCB->Ref == 0) { | |
1604 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"RxvFreeMng %d %d\n",pDevice->NumRecvFreeList, pDevice->NumRecvMngList); | |
1605 | RXvFreeRCB(pRCB, bReAllocSkb); | |
1606 | } else { | |
1607 | DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Rx Mng Only we have the right to free RCB\n"); | |
1608 | } | |
1609 | } | |
1610 | ||
1611 | pDevice->bIsRxMngWorkItemQueued = FALSE; | |
1612 | spin_unlock_irq(&pDevice->lock); | |
1613 | ||
1614 | } | |
1615 | ||
1616 |