Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 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 | |
| 41 | |
| 42 | #if !defined(__DEVICE_H__) |
| 43 | #include "device.h" |
| 44 | #endif |
| 45 | #if !defined(__RXTX_H__) |
| 46 | #include "rxtx.h" |
| 47 | #endif |
| 48 | #if !defined(__TETHER_H__) |
| 49 | #include "tether.h" |
| 50 | #endif |
| 51 | #if !defined(__CARD_H__) |
| 52 | #include "card.h" |
| 53 | #endif |
| 54 | #if !defined(__BSSDB_H__) |
| 55 | #include "bssdb.h" |
| 56 | #endif |
| 57 | #if !defined(__MAC_H__) |
| 58 | #include "mac.h" |
| 59 | #endif |
| 60 | #if !defined(__BASEBAND_H__) |
| 61 | #include "baseband.h" |
| 62 | #endif |
| 63 | #if !defined(__UMEM_H__) |
| 64 | #include "umem.h" |
| 65 | #endif |
| 66 | #if !defined(__MICHAEL_H__) |
| 67 | #include "michael.h" |
| 68 | #endif |
| 69 | #if !defined(__TKIP_H__) |
| 70 | #include "tkip.h" |
| 71 | #endif |
| 72 | #if !defined(__TCRC_H__) |
| 73 | #include "tcrc.h" |
| 74 | #endif |
| 75 | #if !defined(__WCTL_H__) |
| 76 | #include "wctl.h" |
| 77 | #endif |
| 78 | #if !defined(__WROUTE_H__) |
| 79 | #include "wroute.h" |
| 80 | #endif |
| 81 | #if !defined(__TBIT_H__) |
| 82 | #include "tbit.h" |
| 83 | #endif |
| 84 | #if !defined(__HOSTAP_H__) |
| 85 | #include "hostap.h" |
| 86 | #endif |
| 87 | #if !defined(__RF_H__) |
| 88 | #include "rf.h" |
| 89 | #endif |
| 90 | #if !defined(__IOWPA_H__) |
| 91 | #include "iowpa.h" |
| 92 | #endif |
| 93 | #if !defined(__AES_H__) |
| 94 | #include "aes_ccmp.h" |
| 95 | #endif |
| 96 | |
| 97 | //#define PLICE_DEBUG |
| 98 | |
| 99 | |
| 100 | /*--------------------- Static Definitions -------------------------*/ |
| 101 | |
| 102 | /*--------------------- Static Classes ----------------------------*/ |
| 103 | |
| 104 | /*--------------------- Static Variables --------------------------*/ |
| 105 | //static int msglevel =MSG_LEVEL_DEBUG; |
| 106 | static int msglevel =MSG_LEVEL_INFO; |
| 107 | |
| 108 | const BYTE acbyRxRate[MAX_RATE] = |
| 109 | {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108}; |
| 110 | |
| 111 | |
| 112 | /*--------------------- Static Functions --------------------------*/ |
| 113 | |
| 114 | /*--------------------- Static Definitions -------------------------*/ |
| 115 | |
| 116 | /*--------------------- Static Functions --------------------------*/ |
| 117 | |
| 118 | static BYTE s_byGetRateIdx(IN BYTE byRate); |
| 119 | |
| 120 | |
| 121 | static |
| 122 | VOID |
| 123 | s_vGetDASA( |
| 124 | IN PBYTE pbyRxBufferAddr, |
| 125 | OUT PUINT pcbHeaderSize, |
| 126 | OUT PSEthernetHeader psEthHeader |
| 127 | ); |
| 128 | |
| 129 | static |
| 130 | VOID |
| 131 | s_vProcessRxMACHeader ( |
| 132 | IN PSDevice pDevice, |
| 133 | IN PBYTE pbyRxBufferAddr, |
| 134 | IN UINT cbPacketSize, |
| 135 | IN BOOL bIsWEP, |
| 136 | IN BOOL bExtIV, |
| 137 | OUT PUINT pcbHeadSize |
| 138 | ); |
| 139 | |
| 140 | static BOOL s_bAPModeRxCtl( |
| 141 | IN PSDevice pDevice, |
| 142 | IN PBYTE pbyFrame, |
| 143 | IN INT iSANodeIndex |
| 144 | ); |
| 145 | |
| 146 | #ifdef PRIVATE_OBJ |
| 147 | |
| 148 | static BOOL s_bAPModeRxData ( |
| 149 | IN PSDevice pDevice, |
| 150 | IN ref_sk_buff* skb, |
| 151 | IN UINT FrameSize, |
| 152 | IN UINT cbHeaderOffset, |
| 153 | IN INT iSANodeIndex, |
| 154 | IN INT iDANodeIndex |
| 155 | ); |
| 156 | #else |
| 157 | |
| 158 | static BOOL s_bAPModeRxData ( |
| 159 | IN PSDevice pDevice, |
| 160 | IN struct sk_buff* skb, |
| 161 | IN UINT FrameSize, |
| 162 | IN UINT cbHeaderOffset, |
| 163 | IN INT iSANodeIndex, |
| 164 | IN INT iDANodeIndex |
| 165 | ); |
| 166 | #endif |
| 167 | |
| 168 | |
| 169 | static BOOL s_bHandleRxEncryption( |
| 170 | IN PSDevice pDevice, |
| 171 | IN PBYTE pbyFrame, |
| 172 | IN UINT FrameSize, |
| 173 | IN PBYTE pbyRsr, |
| 174 | OUT PBYTE pbyNewRsr, |
| 175 | OUT PSKeyItem *pKeyOut, |
| 176 | OUT PBOOL pbExtIV, |
| 177 | OUT PWORD pwRxTSC15_0, |
| 178 | OUT PDWORD pdwRxTSC47_16 |
| 179 | ); |
| 180 | |
| 181 | static BOOL s_bHostWepRxEncryption( |
| 182 | |
| 183 | IN PSDevice pDevice, |
| 184 | IN PBYTE pbyFrame, |
| 185 | IN UINT FrameSize, |
| 186 | IN PBYTE pbyRsr, |
| 187 | IN BOOL bOnFly, |
| 188 | IN PSKeyItem pKey, |
| 189 | OUT PBYTE pbyNewRsr, |
| 190 | OUT PBOOL pbExtIV, |
| 191 | OUT PWORD pwRxTSC15_0, |
| 192 | OUT PDWORD pdwRxTSC47_16 |
| 193 | |
| 194 | ); |
| 195 | |
| 196 | /*--------------------- Export Variables --------------------------*/ |
| 197 | |
| 198 | /*+ |
| 199 | * |
| 200 | * Description: |
| 201 | * Translate Rcv 802.11 header to 802.3 header with Rx buffer |
| 202 | * |
| 203 | * Parameters: |
| 204 | * In: |
| 205 | * pDevice |
| 206 | * dwRxBufferAddr - Address of Rcv Buffer |
| 207 | * cbPacketSize - Rcv Packet size |
| 208 | * bIsWEP - If Rcv with WEP |
| 209 | * Out: |
| 210 | * pcbHeaderSize - 802.11 header size |
| 211 | * |
| 212 | * Return Value: None |
| 213 | * |
| 214 | -*/ |
| 215 | static |
| 216 | VOID |
| 217 | s_vProcessRxMACHeader ( |
| 218 | IN PSDevice pDevice, |
| 219 | IN PBYTE pbyRxBufferAddr, |
| 220 | IN UINT cbPacketSize, |
| 221 | IN BOOL bIsWEP, |
| 222 | IN BOOL bExtIV, |
| 223 | OUT PUINT pcbHeadSize |
| 224 | ) |
| 225 | { |
| 226 | PBYTE pbyRxBuffer; |
| 227 | UINT cbHeaderSize = 0; |
| 228 | PWORD pwType; |
| 229 | PS802_11Header pMACHeader; |
| 230 | int ii; |
| 231 | |
| 232 | |
| 233 | pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize); |
| 234 | |
| 235 | s_vGetDASA((PBYTE)pMACHeader, &cbHeaderSize, &pDevice->sRxEthHeader); |
| 236 | |
| 237 | if (bIsWEP) { |
| 238 | if (bExtIV) { |
| 239 | // strip IV&ExtIV , add 8 byte |
| 240 | cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 8); |
| 241 | } else { |
| 242 | // strip IV , add 4 byte |
| 243 | cbHeaderSize += (WLAN_HDR_ADDR3_LEN + 4); |
| 244 | } |
| 245 | } |
| 246 | else { |
| 247 | cbHeaderSize += WLAN_HDR_ADDR3_LEN; |
| 248 | }; |
| 249 | |
| 250 | pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize); |
| 251 | if (IS_ETH_ADDRESS_EQUAL(pbyRxBuffer, &pDevice->abySNAP_Bridgetunnel[0])) { |
| 252 | cbHeaderSize += 6; |
| 253 | } |
| 254 | else if (IS_ETH_ADDRESS_EQUAL(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) { |
| 255 | cbHeaderSize += 6; |
| 256 | pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); |
| 257 | if ((*pwType!= TYPE_PKT_IPX) && (*pwType != cpu_to_le16(0xF380))) { |
| 258 | } |
| 259 | else { |
| 260 | cbHeaderSize -= 8; |
| 261 | pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); |
| 262 | if (bIsWEP) { |
| 263 | if (bExtIV) { |
| 264 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV |
| 265 | } else { |
| 266 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV |
| 267 | } |
| 268 | } |
| 269 | else { |
| 270 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN); |
| 271 | } |
| 272 | } |
| 273 | } |
| 274 | else { |
| 275 | cbHeaderSize -= 2; |
| 276 | pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); |
| 277 | if (bIsWEP) { |
| 278 | if (bExtIV) { |
| 279 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 8); // 8 is IV&ExtIV |
| 280 | } else { |
| 281 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN - 4); // 4 is IV |
| 282 | } |
| 283 | } |
| 284 | else { |
| 285 | *pwType = htons(cbPacketSize - WLAN_HDR_ADDR3_LEN); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | cbHeaderSize -= (U_ETHER_ADDR_LEN * 2); |
| 290 | pbyRxBuffer = (PBYTE) (pbyRxBufferAddr + cbHeaderSize); |
| 291 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) |
| 292 | *pbyRxBuffer++ = pDevice->sRxEthHeader.abyDstAddr[ii]; |
| 293 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) |
| 294 | *pbyRxBuffer++ = pDevice->sRxEthHeader.abySrcAddr[ii]; |
| 295 | |
| 296 | *pcbHeadSize = cbHeaderSize; |
| 297 | } |
| 298 | |
| 299 | |
| 300 | |
| 301 | |
| 302 | static BYTE s_byGetRateIdx (IN BYTE byRate) |
| 303 | { |
| 304 | BYTE byRateIdx; |
| 305 | |
| 306 | for (byRateIdx = 0; byRateIdx <MAX_RATE ; byRateIdx++) { |
| 307 | if (acbyRxRate[byRateIdx%MAX_RATE] == byRate) |
| 308 | return byRateIdx; |
| 309 | } |
| 310 | return 0; |
| 311 | } |
| 312 | |
| 313 | |
| 314 | static |
| 315 | VOID |
| 316 | s_vGetDASA ( |
| 317 | IN PBYTE pbyRxBufferAddr, |
| 318 | OUT PUINT pcbHeaderSize, |
| 319 | OUT PSEthernetHeader psEthHeader |
| 320 | ) |
| 321 | { |
| 322 | UINT cbHeaderSize = 0; |
| 323 | PS802_11Header pMACHeader; |
| 324 | int ii; |
| 325 | |
| 326 | pMACHeader = (PS802_11Header) (pbyRxBufferAddr + cbHeaderSize); |
| 327 | |
| 328 | if ((pMACHeader->wFrameCtl & FC_TODS) == 0) { |
| 329 | if (pMACHeader->wFrameCtl & FC_FROMDS) { |
| 330 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) { |
| 331 | psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii]; |
| 332 | psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr3[ii]; |
| 333 | } |
| 334 | } |
| 335 | else { |
| 336 | // IBSS mode |
| 337 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) { |
| 338 | psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr1[ii]; |
| 339 | psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii]; |
| 340 | } |
| 341 | } |
| 342 | } |
| 343 | else { |
| 344 | // Is AP mode.. |
| 345 | if (pMACHeader->wFrameCtl & FC_FROMDS) { |
| 346 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) { |
| 347 | psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii]; |
| 348 | psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr4[ii]; |
| 349 | cbHeaderSize += 6; |
| 350 | } |
| 351 | } |
| 352 | else { |
| 353 | for(ii=0;ii<U_ETHER_ADDR_LEN;ii++) { |
| 354 | psEthHeader->abyDstAddr[ii] = pMACHeader->abyAddr3[ii]; |
| 355 | psEthHeader->abySrcAddr[ii] = pMACHeader->abyAddr2[ii]; |
| 356 | } |
| 357 | } |
| 358 | }; |
| 359 | *pcbHeaderSize = cbHeaderSize; |
| 360 | } |
| 361 | |
| 362 | |
| 363 | |
| 364 | |
| 365 | //PLICE_DEBUG -> |
| 366 | |
| 367 | VOID MngWorkItem(PVOID Context) |
| 368 | { |
| 369 | PSRxMgmtPacket pRxMgmtPacket; |
| 370 | PSDevice pDevice = (PSDevice) Context; |
| 371 | //printk("Enter MngWorkItem,Queue packet num is %d\n",pDevice->rxManeQueue.packet_num); |
| 372 | spin_lock_irq(&pDevice->lock); |
| 373 | while(pDevice->rxManeQueue.packet_num != 0) |
| 374 | { |
| 375 | pRxMgmtPacket = DeQueue(pDevice); |
| 376 | vMgrRxManagePacket(pDevice, pDevice->pMgmt, pRxMgmtPacket); |
| 377 | } |
| 378 | spin_unlock_irq(&pDevice->lock); |
| 379 | } |
| 380 | |
| 381 | |
| 382 | //PLICE_DEBUG<- |
| 383 | |
| 384 | |
| 385 | |
| 386 | BOOL |
| 387 | device_receive_frame ( |
| 388 | IN PSDevice pDevice, |
| 389 | IN PSRxDesc pCurrRD |
| 390 | ) |
| 391 | { |
| 392 | |
| 393 | PDEVICE_RD_INFO pRDInfo = pCurrRD->pRDInfo; |
| 394 | #ifdef PLICE_DEBUG |
| 395 | //printk("device_receive_frame:pCurrRD is %x,pRDInfo is %x\n",pCurrRD,pCurrRD->pRDInfo); |
| 396 | #endif |
| 397 | struct net_device_stats* pStats=&pDevice->stats; |
| 398 | #ifdef PRIVATE_OBJ |
| 399 | ref_sk_buff* skb; |
| 400 | #else |
| 401 | struct sk_buff* skb; |
| 402 | #endif |
| 403 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 404 | PSRxMgmtPacket pRxPacket = &(pDevice->pMgmt->sRxPacket); |
| 405 | PS802_11Header p802_11Header; |
| 406 | PBYTE pbyRsr; |
| 407 | PBYTE pbyNewRsr; |
| 408 | PBYTE pbyRSSI; |
| 409 | PQWORD pqwTSFTime; |
| 410 | PWORD pwFrameSize; |
| 411 | PBYTE pbyFrame; |
| 412 | BOOL bDeFragRx = FALSE; |
| 413 | BOOL bIsWEP = FALSE; |
| 414 | UINT cbHeaderOffset; |
| 415 | UINT FrameSize; |
| 416 | WORD wEtherType = 0; |
| 417 | INT iSANodeIndex = -1; |
| 418 | INT iDANodeIndex = -1; |
| 419 | UINT ii; |
| 420 | UINT cbIVOffset; |
| 421 | BOOL bExtIV = FALSE; |
| 422 | PBYTE pbyRxSts; |
| 423 | PBYTE pbyRxRate; |
| 424 | PBYTE pbySQ; |
| 425 | UINT cbHeaderSize; |
| 426 | PSKeyItem pKey = NULL; |
| 427 | WORD wRxTSC15_0 = 0; |
| 428 | DWORD dwRxTSC47_16 = 0; |
| 429 | SKeyItem STempKey; |
| 430 | // 802.11h RPI |
| 431 | DWORD dwDuration = 0; |
| 432 | LONG ldBm = 0; |
| 433 | LONG ldBmThreshold = 0; |
| 434 | PS802_11Header pMACHeader; |
| 435 | BOOL bRxeapol_key = FALSE; |
| 436 | |
| 437 | // DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- device_receive_frame---\n"); |
| 438 | #ifdef PRIVATE_OBJ |
| 439 | skb = &(pRDInfo->ref_skb); |
| 440 | #else |
| 441 | |
| 442 | skb = pRDInfo->skb; |
| 443 | #endif |
| 444 | |
| 445 | |
| 446 | //PLICE_DEBUG-> |
| 447 | #if 1 |
| 448 | pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma, |
| 449 | pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE); |
| 450 | #endif |
| 451 | //PLICE_DEBUG<- |
| 452 | pwFrameSize = (PWORD)(skb->data + 2); |
| 453 | FrameSize = cpu_to_le16(pCurrRD->m_rd1RD1.wReqCount) - cpu_to_le16(pCurrRD->m_rd0RD0.wResCount); |
| 454 | |
| 455 | // Max: 2312Payload + 30HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR |
| 456 | // Min (ACK): 10HD +4CRC + 2Padding + 4Len + 8TSF + 4RSR |
| 457 | if ((FrameSize > 2364)||(FrameSize <= 32)) { |
| 458 | // Frame Size error drop this packet. |
| 459 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 1 \n"); |
| 460 | return FALSE; |
| 461 | } |
| 462 | |
| 463 | pbyRxSts = (PBYTE) (skb->data); |
| 464 | pbyRxRate = (PBYTE) (skb->data + 1); |
| 465 | pbyRsr = (PBYTE) (skb->data + FrameSize - 1); |
| 466 | pbyRSSI = (PBYTE) (skb->data + FrameSize - 2); |
| 467 | pbyNewRsr = (PBYTE) (skb->data + FrameSize - 3); |
| 468 | pbySQ = (PBYTE) (skb->data + FrameSize - 4); |
| 469 | pqwTSFTime = (PQWORD) (skb->data + FrameSize - 12); |
| 470 | pbyFrame = (PBYTE)(skb->data + 4); |
| 471 | |
| 472 | // get packet size |
| 473 | FrameSize = cpu_to_le16(*pwFrameSize); |
| 474 | |
| 475 | if ((FrameSize > 2346)|(FrameSize < 14)) { // Max: 2312Payload + 30HD +4CRC |
| 476 | // Min: 14 bytes ACK |
| 477 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"---------- WRONG Length 2 \n"); |
| 478 | return FALSE; |
| 479 | } |
| 480 | //PLICE_DEBUG-> |
| 481 | #if 1 |
| 482 | // update receive statistic counter |
| 483 | STAvUpdateRDStatCounter(&pDevice->scStatistic, |
| 484 | *pbyRsr, |
| 485 | *pbyNewRsr, |
| 486 | *pbyRxRate, |
| 487 | pbyFrame, |
| 488 | FrameSize); |
| 489 | |
| 490 | #endif |
| 491 | |
| 492 | pMACHeader=(PS802_11Header)((PBYTE) (skb->data)+8); |
| 493 | //PLICE_DEBUG<- |
| 494 | if (pDevice->bMeasureInProgress == TRUE) { |
| 495 | if ((*pbyRsr & RSR_CRCOK) != 0) { |
| 496 | pDevice->byBasicMap |= 0x01; |
| 497 | } |
| 498 | dwDuration = (FrameSize << 4); |
| 499 | dwDuration /= acbyRxRate[*pbyRxRate%MAX_RATE]; |
| 500 | if (*pbyRxRate <= RATE_11M) { |
| 501 | if (BITbIsBitOn(*pbyRxSts, 0x01)) { |
| 502 | // long preamble |
| 503 | dwDuration += 192; |
| 504 | } else { |
| 505 | // short preamble |
| 506 | dwDuration += 96; |
| 507 | } |
| 508 | } else { |
| 509 | dwDuration += 16; |
| 510 | } |
| 511 | RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm); |
| 512 | ldBmThreshold = -57; |
| 513 | for (ii = 7; ii > 0;) { |
| 514 | if (ldBm > ldBmThreshold) { |
| 515 | break; |
| 516 | } |
| 517 | ldBmThreshold -= 5; |
| 518 | ii--; |
| 519 | } |
| 520 | pDevice->dwRPIs[ii] += dwDuration; |
| 521 | return FALSE; |
| 522 | } |
| 523 | |
| 524 | if (!IS_MULTICAST_ADDRESS(pbyFrame) && !IS_BROADCAST_ADDRESS(pbyFrame)) { |
| 525 | if (WCTLbIsDuplicate(&(pDevice->sDupRxCache), (PS802_11Header) (skb->data + 4))) { |
| 526 | pDevice->s802_11Counter.FrameDuplicateCount++; |
| 527 | return FALSE; |
| 528 | } |
| 529 | } |
| 530 | |
| 531 | |
| 532 | // Use for TKIP MIC |
| 533 | s_vGetDASA(skb->data+4, &cbHeaderSize, &pDevice->sRxEthHeader); |
| 534 | |
| 535 | // filter packet send from myself |
| 536 | if (IS_ETH_ADDRESS_EQUAL((PBYTE)&(pDevice->sRxEthHeader.abySrcAddr[0]), pDevice->abyCurrentNetAddr)) |
| 537 | return FALSE; |
| 538 | |
| 539 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) || (pMgmt->eCurrMode == WMAC_MODE_IBSS_STA)) { |
| 540 | if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) { |
| 541 | p802_11Header = (PS802_11Header) (pbyFrame); |
| 542 | // get SA NodeIndex |
| 543 | if (BSSDBbIsSTAInNodeDB(pMgmt, (PBYTE)(p802_11Header->abyAddr2), &iSANodeIndex)) { |
| 544 | #ifdef PRIVATE_OBJ |
| 545 | pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = get_jiffies(); |
| 546 | #else |
| 547 | pMgmt->sNodeDBTable[iSANodeIndex].ulLastRxJiffer = jiffies; |
| 548 | #endif |
| 549 | pMgmt->sNodeDBTable[iSANodeIndex].uInActiveCount = 0; |
| 550 | } |
| 551 | } |
| 552 | } |
| 553 | |
| 554 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
| 555 | if (s_bAPModeRxCtl(pDevice, pbyFrame, iSANodeIndex) == TRUE) { |
| 556 | return FALSE; |
| 557 | } |
| 558 | } |
| 559 | if (IS_FC_WEP(pbyFrame)) { |
| 560 | BOOL bRxDecryOK = FALSE; |
| 561 | |
| 562 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"rx WEP pkt\n"); |
| 563 | bIsWEP = TRUE; |
| 564 | if ((pDevice->bEnableHostWEP) && (iSANodeIndex >= 0)) { |
| 565 | pKey = &STempKey; |
| 566 | pKey->byCipherSuite = pMgmt->sNodeDBTable[iSANodeIndex].byCipherSuite; |
| 567 | pKey->dwKeyIndex = pMgmt->sNodeDBTable[iSANodeIndex].dwKeyIndex; |
| 568 | pKey->uKeyLength = pMgmt->sNodeDBTable[iSANodeIndex].uWepKeyLength; |
| 569 | pKey->dwTSC47_16 = pMgmt->sNodeDBTable[iSANodeIndex].dwTSC47_16; |
| 570 | pKey->wTSC15_0 = pMgmt->sNodeDBTable[iSANodeIndex].wTSC15_0; |
| 571 | memcpy(pKey->abyKey, |
| 572 | &pMgmt->sNodeDBTable[iSANodeIndex].abyWepKey[0], |
| 573 | pKey->uKeyLength |
| 574 | ); |
| 575 | |
| 576 | bRxDecryOK = s_bHostWepRxEncryption(pDevice, |
| 577 | pbyFrame, |
| 578 | FrameSize, |
| 579 | pbyRsr, |
| 580 | pMgmt->sNodeDBTable[iSANodeIndex].bOnFly, |
| 581 | pKey, |
| 582 | pbyNewRsr, |
| 583 | &bExtIV, |
| 584 | &wRxTSC15_0, |
| 585 | &dwRxTSC47_16); |
| 586 | } else { |
| 587 | bRxDecryOK = s_bHandleRxEncryption(pDevice, |
| 588 | pbyFrame, |
| 589 | FrameSize, |
| 590 | pbyRsr, |
| 591 | pbyNewRsr, |
| 592 | &pKey, |
| 593 | &bExtIV, |
| 594 | &wRxTSC15_0, |
| 595 | &dwRxTSC47_16); |
| 596 | } |
| 597 | |
| 598 | if (bRxDecryOK) { |
| 599 | if ((*pbyNewRsr & NEWRSR_DECRYPTOK) == 0) { |
| 600 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV Fail\n"); |
| 601 | if ( (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA) || |
| 602 | (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || |
| 603 | (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) || |
| 604 | (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || |
| 605 | (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) { |
| 606 | |
| 607 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { |
| 608 | pDevice->s802_11Counter.TKIPICVErrors++; |
| 609 | } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) { |
| 610 | pDevice->s802_11Counter.CCMPDecryptErrors++; |
| 611 | } else if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_WEP)) { |
| 612 | // pDevice->s802_11Counter.WEPICVErrorCount.QuadPart++; |
| 613 | } |
| 614 | } |
| 615 | return FALSE; |
| 616 | } |
| 617 | } else { |
| 618 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"WEP Func Fail\n"); |
| 619 | return FALSE; |
| 620 | } |
| 621 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_CCMP)) |
| 622 | FrameSize -= 8; // Message Integrity Code |
| 623 | else |
| 624 | FrameSize -= 4; // 4 is ICV |
| 625 | } |
| 626 | |
| 627 | |
| 628 | // |
| 629 | // RX OK |
| 630 | // |
| 631 | //remove the CRC length |
| 632 | FrameSize -= U_CRC_LEN; |
| 633 | |
| 634 | if ((BITbIsAllBitsOff(*pbyRsr, (RSR_ADDRBROAD | RSR_ADDRMULTI))) && // unicast address |
| 635 | (IS_FRAGMENT_PKT((skb->data+4))) |
| 636 | ) { |
| 637 | // defragment |
| 638 | bDeFragRx = WCTLbHandleFragment(pDevice, (PS802_11Header) (skb->data+4), FrameSize, bIsWEP, bExtIV); |
| 639 | pDevice->s802_11Counter.ReceivedFragmentCount++; |
| 640 | if (bDeFragRx) { |
| 641 | // defrag complete |
| 642 | #ifdef PRIVATE_OBJ |
| 643 | skb = &(pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].ref_skb); |
| 644 | #else |
| 645 | skb = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].skb; |
| 646 | #endif |
| 647 | FrameSize = pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx].cbFrameLength; |
| 648 | |
| 649 | } |
| 650 | else { |
| 651 | return FALSE; |
| 652 | } |
| 653 | } |
| 654 | |
| 655 | |
| 656 | // Management & Control frame Handle |
| 657 | if ((IS_TYPE_DATA((skb->data+4))) == FALSE) { |
| 658 | // Handle Control & Manage Frame |
| 659 | |
| 660 | if (IS_TYPE_MGMT((skb->data+4))) { |
| 661 | PBYTE pbyData1; |
| 662 | PBYTE pbyData2; |
| 663 | |
| 664 | pRxPacket->p80211Header = (PUWLAN_80211HDR)(skb->data+4); |
| 665 | pRxPacket->cbMPDULen = FrameSize; |
| 666 | pRxPacket->uRSSI = *pbyRSSI; |
| 667 | pRxPacket->bySQ = *pbySQ; |
| 668 | HIDWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(HIDWORD(*pqwTSFTime)); |
| 669 | LODWORD(pRxPacket->qwLocalTSF) = cpu_to_le32(LODWORD(*pqwTSFTime)); |
| 670 | if (bIsWEP) { |
| 671 | // strip IV |
| 672 | pbyData1 = WLAN_HDR_A3_DATA_PTR(skb->data+4); |
| 673 | pbyData2 = WLAN_HDR_A3_DATA_PTR(skb->data+4) + 4; |
| 674 | for (ii = 0; ii < (FrameSize - 4); ii++) { |
| 675 | *pbyData1 = *pbyData2; |
| 676 | pbyData1++; |
| 677 | pbyData2++; |
| 678 | } |
| 679 | } |
| 680 | pRxPacket->byRxRate = s_byGetRateIdx(*pbyRxRate); |
| 681 | pRxPacket->byRxChannel = (*pbyRxSts) >> 2; |
| 682 | //PLICE_DEBUG-> |
| 683 | //EnQueue(pDevice,pRxPacket); |
| 684 | |
| 685 | #ifdef THREAD |
| 686 | EnQueue(pDevice,pRxPacket); |
| 687 | |
| 688 | //printk("enque time is %x\n",jiffies); |
| 689 | //up(&pDevice->mlme_semaphore); |
| 690 | //Enque (pDevice->FirstRecvMngList,pDevice->LastRecvMngList,pMgmt); |
| 691 | #else |
| 692 | |
| 693 | #ifdef TASK_LET |
| 694 | EnQueue(pDevice,pRxPacket); |
| 695 | tasklet_schedule(&pDevice->RxMngWorkItem); |
| 696 | #else |
| 697 | //printk("RxMan\n"); |
| 698 | vMgrRxManagePacket((HANDLE)pDevice, pDevice->pMgmt, pRxPacket); |
| 699 | //tasklet_schedule(&pDevice->RxMngWorkItem); |
| 700 | #endif |
| 701 | |
| 702 | #endif |
| 703 | //PLICE_DEBUG<- |
| 704 | //vMgrRxManagePacket((HANDLE)pDevice, pDevice->pMgmt, pRxPacket); |
| 705 | // hostap Deamon handle 802.11 management |
| 706 | if (pDevice->bEnableHostapd) { |
| 707 | skb->dev = pDevice->apdev; |
| 708 | #ifdef PRIVATE_OBJ |
| 709 | ref_skb_add_offset(skb->skb, 4); |
| 710 | ref_skb_set_dev(pDevice->apdev, skb->skb); |
| 711 | skb_put(skb->skb, FrameSize); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 712 | skb->mac_header = skb->data; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 713 | *(skb->pkt_type) = PACKET_OTHERHOST; |
| 714 | *(skb->protocol) = htons(ETH_P_802_2); |
| 715 | memset(skb->cb, 0, sizeof(skb->cb)); |
| 716 | netif_rx(skb->skb); |
| 717 | #else |
| 718 | skb->data += 4; |
| 719 | skb->tail += 4; |
| 720 | skb_put(skb, FrameSize); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 721 | skb->mac_header = skb->data; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 722 | skb->pkt_type = PACKET_OTHERHOST; |
| 723 | skb->protocol = htons(ETH_P_802_2); |
| 724 | memset(skb->cb, 0, sizeof(skb->cb)); |
| 725 | netif_rx(skb); |
| 726 | #endif |
| 727 | return TRUE; |
| 728 | } |
| 729 | } |
| 730 | else { |
| 731 | // Control Frame |
| 732 | }; |
| 733 | return FALSE; |
| 734 | } |
| 735 | else { |
| 736 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
| 737 | //In AP mode, hw only check addr1(BSSID or RA) if equal to local MAC. |
| 738 | if (BITbIsBitOff(*pbyRsr, RSR_BSSIDOK)) { |
| 739 | if (bDeFragRx) { |
| 740 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 741 | DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 742 | pDevice->dev->name); |
| 743 | } |
| 744 | } |
| 745 | return FALSE; |
| 746 | } |
| 747 | } |
| 748 | else { |
| 749 | // discard DATA packet while not associate || BSSID error |
| 750 | if ((pDevice->bLinkPass == FALSE) || |
| 751 | BITbIsBitOff(*pbyRsr, RSR_BSSIDOK)) { |
| 752 | if (bDeFragRx) { |
| 753 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 754 | DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 755 | pDevice->dev->name); |
| 756 | } |
| 757 | } |
| 758 | return FALSE; |
| 759 | } |
| 760 | |
| 761 | //mike add:station mode check eapol-key challenge---> |
| 762 | { |
| 763 | BYTE Protocol_Version; //802.1x Authentication |
| 764 | BYTE Packet_Type; //802.1x Authentication |
| 765 | if (bIsWEP) |
| 766 | cbIVOffset = 8; |
| 767 | else |
| 768 | cbIVOffset = 0; |
| 769 | wEtherType = (skb->data[cbIVOffset + 8 + 24 + 6] << 8) | |
| 770 | skb->data[cbIVOffset + 8 + 24 + 6 + 1]; |
| 771 | Protocol_Version = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1]; |
| 772 | Packet_Type = skb->data[cbIVOffset + 8 + 24 + 6 + 1 +1+1]; |
| 773 | if (wEtherType == ETH_P_PAE) { //Protocol Type in LLC-Header |
| 774 | if(((Protocol_Version==1) ||(Protocol_Version==2)) && |
| 775 | (Packet_Type==3)) { //802.1x OR eapol-key challenge frame receive |
| 776 | bRxeapol_key = TRUE; |
| 777 | } |
| 778 | } |
| 779 | } |
| 780 | //mike add:station mode check eapol-key challenge<--- |
| 781 | } |
| 782 | } |
| 783 | |
| 784 | // Data frame Handle |
| 785 | |
| 786 | if (pDevice->bEnablePSMode) { |
| 787 | if (IS_FC_MOREDATA((skb->data+4))) { |
| 788 | if (BITbIsBitOn(*pbyRsr, RSR_ADDROK)) { |
| 789 | //PSbSendPSPOLL((PSDevice)pDevice); |
| 790 | } |
| 791 | } |
| 792 | else { |
| 793 | if (pDevice->pMgmt->bInTIMWake == TRUE) { |
| 794 | pDevice->pMgmt->bInTIMWake = FALSE; |
| 795 | } |
| 796 | } |
| 797 | }; |
| 798 | |
| 799 | // Now it only supports 802.11g Infrastructure Mode, and support rate must up to 54 Mbps |
| 800 | if (pDevice->bDiversityEnable && (FrameSize>50) && |
| 801 | (pDevice->eOPMode == OP_MODE_INFRASTRUCTURE) && |
| 802 | (pDevice->bLinkPass == TRUE)) { |
| 803 | //printk("device_receive_frame: RxRate is %d\n",*pbyRxRate); |
| 804 | BBvAntennaDiversity(pDevice, s_byGetRateIdx(*pbyRxRate), 0); |
| 805 | } |
| 806 | |
| 807 | |
| 808 | if (pDevice->byLocalID != REV_ID_VT3253_B1) { |
| 809 | pDevice->uCurrRSSI = *pbyRSSI; |
| 810 | } |
| 811 | pDevice->byCurrSQ = *pbySQ; |
| 812 | |
| 813 | if ((*pbyRSSI != 0) && |
| 814 | (pMgmt->pCurrBSS!=NULL)) { |
| 815 | RFvRSSITodBm(pDevice, *pbyRSSI, &ldBm); |
| 816 | // Moniter if RSSI is too strong. |
| 817 | pMgmt->pCurrBSS->byRSSIStatCnt++; |
| 818 | pMgmt->pCurrBSS->byRSSIStatCnt %= RSSI_STAT_COUNT; |
| 819 | pMgmt->pCurrBSS->ldBmAverage[pMgmt->pCurrBSS->byRSSIStatCnt] = ldBm; |
| 820 | for(ii=0;ii<RSSI_STAT_COUNT;ii++) { |
| 821 | if (pMgmt->pCurrBSS->ldBmAverage[ii] != 0) { |
| 822 | pMgmt->pCurrBSS->ldBmMAX = max(pMgmt->pCurrBSS->ldBmAverage[ii], ldBm); |
| 823 | } |
| 824 | } |
| 825 | } |
| 826 | |
| 827 | // ----------------------------------------------- |
| 828 | |
| 829 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_AP) && (pDevice->bEnable8021x == TRUE)){ |
| 830 | BYTE abyMacHdr[24]; |
| 831 | |
| 832 | // Only 802.1x packet incoming allowed |
| 833 | if (bIsWEP) |
| 834 | cbIVOffset = 8; |
| 835 | else |
| 836 | cbIVOffset = 0; |
| 837 | wEtherType = (skb->data[cbIVOffset + 4 + 24 + 6] << 8) | |
| 838 | skb->data[cbIVOffset + 4 + 24 + 6 + 1]; |
| 839 | |
| 840 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"wEtherType = %04x \n", wEtherType); |
| 841 | if (wEtherType == ETH_P_PAE) { |
| 842 | skb->dev = pDevice->apdev; |
| 843 | |
| 844 | if (bIsWEP == TRUE) { |
| 845 | // strip IV header(8) |
| 846 | memcpy(&abyMacHdr[0], (skb->data + 4), 24); |
| 847 | memcpy((skb->data + 4 + cbIVOffset), &abyMacHdr[0], 24); |
| 848 | } |
| 849 | #ifdef PRIVATE_OBJ |
| 850 | ref_skb_add_offset(skb->skb, (cbIVOffset + 4)); |
| 851 | ref_skb_set_dev(pDevice->apdev, skb->skb); |
| 852 | skb_put(skb->skb, FrameSize); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 853 | skb->mac_header = skb->data; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 854 | *(skb->pkt_type) = PACKET_OTHERHOST; |
| 855 | *(skb->protocol) = htons(ETH_P_802_2); |
| 856 | memset(skb->cb, 0, sizeof(skb->cb)); |
| 857 | netif_rx(skb->skb); |
| 858 | #else |
| 859 | skb->data += (cbIVOffset + 4); |
| 860 | skb->tail += (cbIVOffset + 4); |
| 861 | skb_put(skb, FrameSize); |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 862 | skb->mac_header = skb->data; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 863 | |
| 864 | skb->pkt_type = PACKET_OTHERHOST; |
| 865 | skb->protocol = htons(ETH_P_802_2); |
| 866 | memset(skb->cb, 0, sizeof(skb->cb)); |
| 867 | netif_rx(skb); |
| 868 | #endif |
| 869 | return TRUE; |
| 870 | |
| 871 | } |
| 872 | // check if 802.1x authorized |
| 873 | if (!(pMgmt->sNodeDBTable[iSANodeIndex].dwFlags & WLAN_STA_AUTHORIZED)) |
| 874 | return FALSE; |
| 875 | } |
| 876 | |
| 877 | |
| 878 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { |
| 879 | if (bIsWEP) { |
| 880 | FrameSize -= 8; //MIC |
| 881 | } |
| 882 | } |
| 883 | |
| 884 | //-------------------------------------------------------------------------------- |
| 885 | // Soft MIC |
| 886 | if ((pKey != NULL) && (pKey->byCipherSuite == KEY_CTL_TKIP)) { |
| 887 | if (bIsWEP) { |
| 888 | PDWORD pdwMIC_L; |
| 889 | PDWORD pdwMIC_R; |
| 890 | DWORD dwMIC_Priority; |
| 891 | DWORD dwMICKey0 = 0, dwMICKey1 = 0; |
| 892 | DWORD dwLocalMIC_L = 0; |
| 893 | DWORD dwLocalMIC_R = 0; |
| 894 | viawget_wpa_header *wpahdr; |
| 895 | |
| 896 | |
| 897 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
| 898 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24])); |
| 899 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28])); |
| 900 | } |
| 901 | else { |
| 902 | if (pDevice->pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) { |
| 903 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16])); |
| 904 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20])); |
| 905 | } else if ((pKey->dwKeyIndex & BIT28) == 0) { |
| 906 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[16])); |
| 907 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[20])); |
| 908 | } else { |
| 909 | dwMICKey0 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[24])); |
| 910 | dwMICKey1 = cpu_to_le32(*(PDWORD)(&pKey->abyKey[28])); |
| 911 | } |
| 912 | } |
| 913 | |
| 914 | MIC_vInit(dwMICKey0, dwMICKey1); |
| 915 | MIC_vAppend((PBYTE)&(pDevice->sRxEthHeader.abyDstAddr[0]), 12); |
| 916 | dwMIC_Priority = 0; |
| 917 | MIC_vAppend((PBYTE)&dwMIC_Priority, 4); |
| 918 | // 4 is Rcv buffer header, 24 is MAC Header, and 8 is IV and Ext IV. |
| 919 | MIC_vAppend((PBYTE)(skb->data + 4 + WLAN_HDR_ADDR3_LEN + 8), |
| 920 | FrameSize - WLAN_HDR_ADDR3_LEN - 8); |
| 921 | MIC_vGetMIC(&dwLocalMIC_L, &dwLocalMIC_R); |
| 922 | MIC_vUnInit(); |
| 923 | |
| 924 | pdwMIC_L = (PDWORD)(skb->data + 4 + FrameSize); |
| 925 | pdwMIC_R = (PDWORD)(skb->data + 4 + FrameSize + 4); |
| 926 | //DBG_PRN_GRP12(("RxL: %lx, RxR: %lx\n", *pdwMIC_L, *pdwMIC_R)); |
| 927 | //DBG_PRN_GRP12(("LocalL: %lx, LocalR: %lx\n", dwLocalMIC_L, dwLocalMIC_R)); |
| 928 | //DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"dwMICKey0= %lx,dwMICKey1= %lx \n", dwMICKey0, dwMICKey1); |
| 929 | |
| 930 | |
| 931 | if ((cpu_to_le32(*pdwMIC_L) != dwLocalMIC_L) || (cpu_to_le32(*pdwMIC_R) != dwLocalMIC_R) || |
| 932 | (pDevice->bRxMICFail == TRUE)) { |
| 933 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"MIC comparison is fail!\n"); |
| 934 | pDevice->bRxMICFail = FALSE; |
| 935 | //pDevice->s802_11Counter.TKIPLocalMICFailures.QuadPart++; |
| 936 | pDevice->s802_11Counter.TKIPLocalMICFailures++; |
| 937 | if (bDeFragRx) { |
| 938 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 939 | DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 940 | pDevice->dev->name); |
| 941 | } |
| 942 | } |
| 943 | |
| 944 | //2008-0409-07, <Add> by Einsn Liu |
| 945 | #ifdef WPA_SUPPLICANT_DRIVER_WEXT_SUPPORT |
| 946 | //send event to wpa_supplicant |
| 947 | //if(pDevice->bWPADevEnable == TRUE) |
| 948 | { |
| 949 | union iwreq_data wrqu; |
| 950 | struct iw_michaelmicfailure ev; |
| 951 | int keyidx = pbyFrame[cbHeaderSize+3] >> 6; //top two-bits |
| 952 | memset(&ev, 0, sizeof(ev)); |
| 953 | ev.flags = keyidx & IW_MICFAILURE_KEY_ID; |
| 954 | if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && |
| 955 | (pMgmt->eCurrState == WMAC_STATE_ASSOC) && |
| 956 | (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) { |
| 957 | ev.flags |= IW_MICFAILURE_PAIRWISE; |
| 958 | } else { |
| 959 | ev.flags |= IW_MICFAILURE_GROUP; |
| 960 | } |
| 961 | |
| 962 | ev.src_addr.sa_family = ARPHRD_ETHER; |
| 963 | memcpy(ev.src_addr.sa_data, pMACHeader->abyAddr2, ETH_ALEN); |
| 964 | memset(&wrqu, 0, sizeof(wrqu)); |
| 965 | wrqu.data.length = sizeof(ev); |
| 966 | wireless_send_event(pDevice->dev, IWEVMICHAELMICFAILURE, &wrqu, (char *)&ev); |
| 967 | |
| 968 | } |
| 969 | #endif |
| 970 | if ((pDevice->bWPADEVUp) && (pDevice->skb != NULL)) { |
| 971 | wpahdr = (viawget_wpa_header *)pDevice->skb->data; |
| 972 | if ((pDevice->pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && |
| 973 | (pDevice->pMgmt->eCurrState == WMAC_STATE_ASSOC) && |
| 974 | (*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) { |
| 975 | //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_PAIRWISE_ERROR; |
| 976 | wpahdr->type = VIAWGET_PTK_MIC_MSG; |
| 977 | } else { |
| 978 | //s802_11_Status.Flags = NDIS_802_11_AUTH_REQUEST_GROUP_ERROR; |
| 979 | wpahdr->type = VIAWGET_GTK_MIC_MSG; |
| 980 | } |
| 981 | wpahdr->resp_ie_len = 0; |
| 982 | wpahdr->req_ie_len = 0; |
| 983 | skb_put(pDevice->skb, sizeof(viawget_wpa_header)); |
| 984 | pDevice->skb->dev = pDevice->wpadev; |
Forest Bond | 7bb8dc2 | 2009-06-01 20:00:35 -0400 | [diff] [blame^] | 985 | pDevice->skb->mac_header = pDevice->skb->data; |
| 986 | pDevice->skb->pkt_type = PACKET_HOST; |
Forest Bond | 5449c68 | 2009-04-25 10:30:44 -0400 | [diff] [blame] | 987 | pDevice->skb->protocol = htons(ETH_P_802_2); |
| 988 | memset(pDevice->skb->cb, 0, sizeof(pDevice->skb->cb)); |
| 989 | netif_rx(pDevice->skb); |
| 990 | pDevice->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); |
| 991 | }; |
| 992 | |
| 993 | return FALSE; |
| 994 | |
| 995 | } |
| 996 | } |
| 997 | } //---end of SOFT MIC----------------------------------------------------------------------- |
| 998 | |
| 999 | // ++++++++++ Reply Counter Check +++++++++++++ |
| 1000 | |
| 1001 | if ((pKey != NULL) && ((pKey->byCipherSuite == KEY_CTL_TKIP) || |
| 1002 | (pKey->byCipherSuite == KEY_CTL_CCMP))) { |
| 1003 | if (bIsWEP) { |
| 1004 | WORD wLocalTSC15_0 = 0; |
| 1005 | DWORD dwLocalTSC47_16 = 0; |
| 1006 | ULONGLONG RSC = 0; |
| 1007 | // endian issues |
| 1008 | RSC = *((ULONGLONG *) &(pKey->KeyRSC)); |
| 1009 | wLocalTSC15_0 = (WORD) RSC; |
| 1010 | dwLocalTSC47_16 = (DWORD) (RSC>>16); |
| 1011 | |
| 1012 | RSC = dwRxTSC47_16; |
| 1013 | RSC <<= 16; |
| 1014 | RSC += wRxTSC15_0; |
| 1015 | MEMvCopy(&(pKey->KeyRSC), &RSC, sizeof(QWORD)); |
| 1016 | |
| 1017 | if ( (pDevice->sMgmtObj.eCurrMode == WMAC_MODE_ESS_STA) && |
| 1018 | (pDevice->sMgmtObj.eCurrState == WMAC_STATE_ASSOC)) { |
| 1019 | // check RSC |
| 1020 | if ( (wRxTSC15_0 < wLocalTSC15_0) && |
| 1021 | (dwRxTSC47_16 <= dwLocalTSC47_16) && |
| 1022 | !((dwRxTSC47_16 == 0) && (dwLocalTSC47_16 == 0xFFFFFFFF))) { |
| 1023 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC is illegal~~!\n "); |
| 1024 | if (pKey->byCipherSuite == KEY_CTL_TKIP) |
| 1025 | //pDevice->s802_11Counter.TKIPReplays.QuadPart++; |
| 1026 | pDevice->s802_11Counter.TKIPReplays++; |
| 1027 | else |
| 1028 | //pDevice->s802_11Counter.CCMPReplays.QuadPart++; |
| 1029 | pDevice->s802_11Counter.CCMPReplays++; |
| 1030 | |
| 1031 | if (bDeFragRx) { |
| 1032 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 1033 | DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 1034 | pDevice->dev->name); |
| 1035 | } |
| 1036 | } |
| 1037 | return FALSE; |
| 1038 | } |
| 1039 | } |
| 1040 | } |
| 1041 | } // ----- End of Reply Counter Check -------------------------- |
| 1042 | |
| 1043 | |
| 1044 | |
| 1045 | if ((pKey != NULL) && (bIsWEP)) { |
| 1046 | // pDevice->s802_11Counter.DecryptSuccessCount.QuadPart++; |
| 1047 | } |
| 1048 | |
| 1049 | |
| 1050 | s_vProcessRxMACHeader(pDevice, (PBYTE)(skb->data+4), FrameSize, bIsWEP, bExtIV, &cbHeaderOffset); |
| 1051 | FrameSize -= cbHeaderOffset; |
| 1052 | cbHeaderOffset += 4; // 4 is Rcv buffer header |
| 1053 | |
| 1054 | // Null data, framesize = 14 |
| 1055 | if (FrameSize < 15) |
| 1056 | return FALSE; |
| 1057 | |
| 1058 | if (pMgmt->eCurrMode == WMAC_MODE_ESS_AP) { |
| 1059 | if (s_bAPModeRxData(pDevice, |
| 1060 | skb, |
| 1061 | FrameSize, |
| 1062 | cbHeaderOffset, |
| 1063 | iSANodeIndex, |
| 1064 | iDANodeIndex |
| 1065 | ) == FALSE) { |
| 1066 | |
| 1067 | if (bDeFragRx) { |
| 1068 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 1069 | DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 1070 | pDevice->dev->name); |
| 1071 | } |
| 1072 | } |
| 1073 | return FALSE; |
| 1074 | } |
| 1075 | |
| 1076 | // if(pDevice->bRxMICFail == FALSE) { |
| 1077 | // for (ii =0; ii < 100; ii++) |
| 1078 | // printk(" %02x", *(skb->data + ii)); |
| 1079 | // printk("\n"); |
| 1080 | // } |
| 1081 | |
| 1082 | } |
| 1083 | |
| 1084 | #ifdef PRIVATE_OBJ |
| 1085 | ref_skb_add_offset(skb->skb, cbHeaderOffset); |
| 1086 | skb_put(skb->skb, FrameSize); |
| 1087 | *(skb->protocol)=eth_type_trans(skb->skb, skb->dev); |
| 1088 | |
| 1089 | #else |
| 1090 | skb->data += cbHeaderOffset; |
| 1091 | skb->tail += cbHeaderOffset; |
| 1092 | skb_put(skb, FrameSize); |
| 1093 | skb->protocol=eth_type_trans(skb, skb->dev); |
| 1094 | #endif |
| 1095 | |
| 1096 | |
| 1097 | //drop frame not met IEEE 802.3 |
| 1098 | /* |
| 1099 | if (pDevice->flags & DEVICE_FLAGS_VAL_PKT_LEN) { |
| 1100 | #ifdef PRIVATE_OBJ |
| 1101 | if ((*(skb->protocol)==htons(ETH_P_802_3)) && |
| 1102 | (*(skb->len)!=htons(skb->mac.ethernet->h_proto))) { |
| 1103 | #else |
| 1104 | if ((skb->protocol==htons(ETH_P_802_3)) && |
| 1105 | (skb->len!=htons(skb->mac.ethernet->h_proto))) { |
| 1106 | #endif |
| 1107 | pStats->rx_length_errors++; |
| 1108 | pStats->rx_dropped++; |
| 1109 | if (bDeFragRx) { |
| 1110 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 1111 | DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 1112 | pDevice->dev->name); |
| 1113 | } |
| 1114 | } |
| 1115 | return FALSE; |
| 1116 | } |
| 1117 | } |
| 1118 | */ |
| 1119 | |
| 1120 | #ifdef PRIVATE_OBJ |
| 1121 | *(skb->ip_summed)=CHECKSUM_NONE; |
| 1122 | pStats->rx_bytes +=*(skb->len); |
| 1123 | pStats->rx_packets++; |
| 1124 | netif_rx(skb->skb); |
| 1125 | #else |
| 1126 | skb->ip_summed=CHECKSUM_NONE; |
| 1127 | pStats->rx_bytes +=skb->len; |
| 1128 | pStats->rx_packets++; |
| 1129 | netif_rx(skb); |
| 1130 | #endif |
| 1131 | |
| 1132 | if (bDeFragRx) { |
| 1133 | if (!device_alloc_frag_buf(pDevice, &pDevice->sRxDFCB[pDevice->uCurrentDFCBIdx])) { |
| 1134 | DEVICE_PRT(MSG_LEVEL_ERR,KERN_ERR "%s: can not alloc more frag bufs\n", |
| 1135 | pDevice->dev->name); |
| 1136 | } |
| 1137 | return FALSE; |
| 1138 | } |
| 1139 | return TRUE; |
| 1140 | } |
| 1141 | |
| 1142 | |
| 1143 | static BOOL s_bAPModeRxCtl ( |
| 1144 | IN PSDevice pDevice, |
| 1145 | IN PBYTE pbyFrame, |
| 1146 | IN INT iSANodeIndex |
| 1147 | ) |
| 1148 | { |
| 1149 | PS802_11Header p802_11Header; |
| 1150 | CMD_STATUS Status; |
| 1151 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 1152 | |
| 1153 | |
| 1154 | if (IS_CTL_PSPOLL(pbyFrame) || !IS_TYPE_CONTROL(pbyFrame)) { |
| 1155 | |
| 1156 | p802_11Header = (PS802_11Header) (pbyFrame); |
| 1157 | if (!IS_TYPE_MGMT(pbyFrame)) { |
| 1158 | |
| 1159 | // Data & PS-Poll packet |
| 1160 | // check frame class |
| 1161 | if (iSANodeIndex > 0) { |
| 1162 | // frame class 3 fliter & checking |
| 1163 | if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_AUTH) { |
| 1164 | // send deauth notification |
| 1165 | // reason = (6) class 2 received from nonauth sta |
| 1166 | vMgrDeAuthenBeginSta(pDevice, |
| 1167 | pMgmt, |
| 1168 | (PBYTE)(p802_11Header->abyAddr2), |
| 1169 | (WLAN_MGMT_REASON_CLASS2_NONAUTH), |
| 1170 | &Status |
| 1171 | ); |
| 1172 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 1\n"); |
| 1173 | return TRUE; |
| 1174 | }; |
| 1175 | if (pMgmt->sNodeDBTable[iSANodeIndex].eNodeState < NODE_ASSOC) { |
| 1176 | // send deassoc notification |
| 1177 | // reason = (7) class 3 received from nonassoc sta |
| 1178 | vMgrDisassocBeginSta(pDevice, |
| 1179 | pMgmt, |
| 1180 | (PBYTE)(p802_11Header->abyAddr2), |
| 1181 | (WLAN_MGMT_REASON_CLASS3_NONASSOC), |
| 1182 | &Status |
| 1183 | ); |
| 1184 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDisassocBeginSta 2\n"); |
| 1185 | return TRUE; |
| 1186 | }; |
| 1187 | |
| 1188 | if (pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable) { |
| 1189 | // delcare received ps-poll event |
| 1190 | if (IS_CTL_PSPOLL(pbyFrame)) { |
| 1191 | pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE; |
| 1192 | bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL); |
| 1193 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 1\n"); |
| 1194 | } |
| 1195 | else { |
| 1196 | // check Data PS state |
| 1197 | // if PW bit off, send out all PS bufferring packets. |
| 1198 | if (!IS_FC_POWERMGT(pbyFrame)) { |
| 1199 | pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE; |
| 1200 | pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE; |
| 1201 | bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL); |
| 1202 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 2\n"); |
| 1203 | } |
| 1204 | } |
| 1205 | } |
| 1206 | else { |
| 1207 | if (IS_FC_POWERMGT(pbyFrame)) { |
| 1208 | pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = TRUE; |
| 1209 | // Once if STA in PS state, enable multicast bufferring |
| 1210 | pMgmt->sNodeDBTable[0].bPSEnable = TRUE; |
| 1211 | } |
| 1212 | else { |
| 1213 | // clear all pending PS frame. |
| 1214 | if (pMgmt->sNodeDBTable[iSANodeIndex].wEnQueueCnt > 0) { |
| 1215 | pMgmt->sNodeDBTable[iSANodeIndex].bPSEnable = FALSE; |
| 1216 | pMgmt->sNodeDBTable[iSANodeIndex].bRxPSPoll = TRUE; |
| 1217 | bScheduleCommand((HANDLE)pDevice, WLAN_CMD_RX_PSPOLL, NULL); |
| 1218 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: WLAN_CMD_RX_PSPOLL 3\n"); |
| 1219 | |
| 1220 | } |
| 1221 | } |
| 1222 | } |
| 1223 | } |
| 1224 | else { |
| 1225 | vMgrDeAuthenBeginSta(pDevice, |
| 1226 | pMgmt, |
| 1227 | (PBYTE)(p802_11Header->abyAddr2), |
| 1228 | (WLAN_MGMT_REASON_CLASS2_NONAUTH), |
| 1229 | &Status |
| 1230 | ); |
| 1231 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: send vMgrDeAuthenBeginSta 3\n"); |
| 1232 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "BSSID:%02x-%02x-%02x=%02x-%02x-%02x \n", |
| 1233 | p802_11Header->abyAddr3[0], |
| 1234 | p802_11Header->abyAddr3[1], |
| 1235 | p802_11Header->abyAddr3[2], |
| 1236 | p802_11Header->abyAddr3[3], |
| 1237 | p802_11Header->abyAddr3[4], |
| 1238 | p802_11Header->abyAddr3[5] |
| 1239 | ); |
| 1240 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR2:%02x-%02x-%02x=%02x-%02x-%02x \n", |
| 1241 | p802_11Header->abyAddr2[0], |
| 1242 | p802_11Header->abyAddr2[1], |
| 1243 | p802_11Header->abyAddr2[2], |
| 1244 | p802_11Header->abyAddr2[3], |
| 1245 | p802_11Header->abyAddr2[4], |
| 1246 | p802_11Header->abyAddr2[5] |
| 1247 | ); |
| 1248 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "ADDR1:%02x-%02x-%02x=%02x-%02x-%02x \n", |
| 1249 | p802_11Header->abyAddr1[0], |
| 1250 | p802_11Header->abyAddr1[1], |
| 1251 | p802_11Header->abyAddr1[2], |
| 1252 | p802_11Header->abyAddr1[3], |
| 1253 | p802_11Header->abyAddr1[4], |
| 1254 | p802_11Header->abyAddr1[5] |
| 1255 | ); |
| 1256 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc: wFrameCtl= %x\n", p802_11Header->wFrameCtl ); |
| 1257 | VNSvInPortB(pDevice->PortOffset + MAC_REG_RCR, &(pDevice->byRxMode)); |
| 1258 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dpc:pDevice->byRxMode = %x\n", pDevice->byRxMode ); |
| 1259 | return TRUE; |
| 1260 | } |
| 1261 | } |
| 1262 | } |
| 1263 | return FALSE; |
| 1264 | |
| 1265 | } |
| 1266 | |
| 1267 | static BOOL s_bHandleRxEncryption ( |
| 1268 | IN PSDevice pDevice, |
| 1269 | IN PBYTE pbyFrame, |
| 1270 | IN UINT FrameSize, |
| 1271 | IN PBYTE pbyRsr, |
| 1272 | OUT PBYTE pbyNewRsr, |
| 1273 | OUT PSKeyItem *pKeyOut, |
| 1274 | OUT PBOOL pbExtIV, |
| 1275 | OUT PWORD pwRxTSC15_0, |
| 1276 | OUT PDWORD pdwRxTSC47_16 |
| 1277 | ) |
| 1278 | { |
| 1279 | UINT PayloadLen = FrameSize; |
| 1280 | PBYTE pbyIV; |
| 1281 | BYTE byKeyIdx; |
| 1282 | PSKeyItem pKey = NULL; |
| 1283 | BYTE byDecMode = KEY_CTL_WEP; |
| 1284 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 1285 | |
| 1286 | |
| 1287 | *pwRxTSC15_0 = 0; |
| 1288 | *pdwRxTSC47_16 = 0; |
| 1289 | |
| 1290 | pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN; |
| 1291 | if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) && |
| 1292 | WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) { |
| 1293 | pbyIV += 6; // 6 is 802.11 address4 |
| 1294 | PayloadLen -= 6; |
| 1295 | } |
| 1296 | byKeyIdx = (*(pbyIV+3) & 0xc0); |
| 1297 | byKeyIdx >>= 6; |
| 1298 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx); |
| 1299 | |
| 1300 | if ((pMgmt->eAuthenMode == WMAC_AUTH_WPA) || |
| 1301 | (pMgmt->eAuthenMode == WMAC_AUTH_WPAPSK) || |
| 1302 | (pMgmt->eAuthenMode == WMAC_AUTH_WPANONE) || |
| 1303 | (pMgmt->eAuthenMode == WMAC_AUTH_WPA2) || |
| 1304 | (pMgmt->eAuthenMode == WMAC_AUTH_WPA2PSK)) { |
| 1305 | if (((*pbyRsr & (RSR_ADDRBROAD | RSR_ADDRMULTI)) == 0) && |
| 1306 | (pDevice->pMgmt->byCSSPK != KEY_CTL_NONE)) { |
| 1307 | // unicast pkt use pairwise key |
| 1308 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt\n"); |
| 1309 | if (KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, 0xFFFFFFFF, &pKey) == TRUE) { |
| 1310 | if (pDevice->pMgmt->byCSSPK == KEY_CTL_TKIP) |
| 1311 | byDecMode = KEY_CTL_TKIP; |
| 1312 | else if (pDevice->pMgmt->byCSSPK == KEY_CTL_CCMP) |
| 1313 | byDecMode = KEY_CTL_CCMP; |
| 1314 | } |
| 1315 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"unicast pkt: %d, %p\n", byDecMode, pKey); |
| 1316 | } else { |
| 1317 | // use group key |
| 1318 | KeybGetKey(&(pDevice->sKey), pDevice->abyBSSID, byKeyIdx, &pKey); |
| 1319 | if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP) |
| 1320 | byDecMode = KEY_CTL_TKIP; |
| 1321 | else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP) |
| 1322 | byDecMode = KEY_CTL_CCMP; |
| 1323 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"group pkt: %d, %d, %p\n", byKeyIdx, byDecMode, pKey); |
| 1324 | } |
| 1325 | } |
| 1326 | // our WEP only support Default Key |
| 1327 | if (pKey == NULL) { |
| 1328 | // use default group key |
| 1329 | KeybGetKey(&(pDevice->sKey), pDevice->abyBroadcastAddr, byKeyIdx, &pKey); |
| 1330 | if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP) |
| 1331 | byDecMode = KEY_CTL_TKIP; |
| 1332 | else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP) |
| 1333 | byDecMode = KEY_CTL_CCMP; |
| 1334 | } |
| 1335 | *pKeyOut = pKey; |
| 1336 | |
| 1337 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode); |
| 1338 | |
| 1339 | if (pKey == NULL) { |
| 1340 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"pKey == NULL\n"); |
| 1341 | if (byDecMode == KEY_CTL_WEP) { |
| 1342 | // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; |
| 1343 | } else if (pDevice->bLinkPass == TRUE) { |
| 1344 | // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; |
| 1345 | } |
| 1346 | return FALSE; |
| 1347 | } |
| 1348 | if (byDecMode != pKey->byCipherSuite) { |
| 1349 | if (byDecMode == KEY_CTL_WEP) { |
| 1350 | // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; |
| 1351 | } else if (pDevice->bLinkPass == TRUE) { |
| 1352 | // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; |
| 1353 | } |
| 1354 | *pKeyOut = NULL; |
| 1355 | return FALSE; |
| 1356 | } |
| 1357 | if (byDecMode == KEY_CTL_WEP) { |
| 1358 | // handle WEP |
| 1359 | if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || |
| 1360 | (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == TRUE)) { |
| 1361 | // Software WEP |
| 1362 | // 1. 3253A |
| 1363 | // 2. WEP 256 |
| 1364 | |
| 1365 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc |
| 1366 | MEMvCopy(pDevice->abyPRNG, pbyIV, 3); |
| 1367 | MEMvCopy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength); |
| 1368 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3); |
| 1369 | rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen); |
| 1370 | |
| 1371 | if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) { |
| 1372 | *pbyNewRsr |= NEWRSR_DECRYPTOK; |
| 1373 | } |
| 1374 | } |
| 1375 | } else if ((byDecMode == KEY_CTL_TKIP) || |
| 1376 | (byDecMode == KEY_CTL_CCMP)) { |
| 1377 | // TKIP/AES |
| 1378 | |
| 1379 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc |
| 1380 | *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4)); |
| 1381 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16); |
| 1382 | if (byDecMode == KEY_CTL_TKIP) { |
| 1383 | *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV)); |
| 1384 | } else { |
| 1385 | *pwRxTSC15_0 = cpu_to_le16(*(PWORD)pbyIV); |
| 1386 | } |
| 1387 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0); |
| 1388 | |
| 1389 | if ((byDecMode == KEY_CTL_TKIP) && |
| 1390 | (pDevice->byLocalID <= REV_ID_VT3253_A1)) { |
| 1391 | // Software TKIP |
| 1392 | // 1. 3253 A |
| 1393 | PS802_11Header pMACHeader = (PS802_11Header) (pbyFrame); |
| 1394 | TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG); |
| 1395 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN); |
| 1396 | rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen); |
| 1397 | if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) { |
| 1398 | *pbyNewRsr |= NEWRSR_DECRYPTOK; |
| 1399 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n"); |
| 1400 | } else { |
| 1401 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n"); |
| 1402 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen); |
| 1403 | } |
| 1404 | } |
| 1405 | }// end of TKIP/AES |
| 1406 | |
| 1407 | if ((*(pbyIV+3) & 0x20) != 0) |
| 1408 | *pbExtIV = TRUE; |
| 1409 | return TRUE; |
| 1410 | } |
| 1411 | |
| 1412 | |
| 1413 | static BOOL s_bHostWepRxEncryption ( |
| 1414 | IN PSDevice pDevice, |
| 1415 | IN PBYTE pbyFrame, |
| 1416 | IN UINT FrameSize, |
| 1417 | IN PBYTE pbyRsr, |
| 1418 | IN BOOL bOnFly, |
| 1419 | IN PSKeyItem pKey, |
| 1420 | OUT PBYTE pbyNewRsr, |
| 1421 | OUT PBOOL pbExtIV, |
| 1422 | OUT PWORD pwRxTSC15_0, |
| 1423 | OUT PDWORD pdwRxTSC47_16 |
| 1424 | ) |
| 1425 | { |
| 1426 | UINT PayloadLen = FrameSize; |
| 1427 | PBYTE pbyIV; |
| 1428 | BYTE byKeyIdx; |
| 1429 | BYTE byDecMode = KEY_CTL_WEP; |
| 1430 | PS802_11Header pMACHeader; |
| 1431 | |
| 1432 | |
| 1433 | |
| 1434 | *pwRxTSC15_0 = 0; |
| 1435 | *pdwRxTSC47_16 = 0; |
| 1436 | |
| 1437 | pbyIV = pbyFrame + WLAN_HDR_ADDR3_LEN; |
| 1438 | if ( WLAN_GET_FC_TODS(*(PWORD)pbyFrame) && |
| 1439 | WLAN_GET_FC_FROMDS(*(PWORD)pbyFrame) ) { |
| 1440 | pbyIV += 6; // 6 is 802.11 address4 |
| 1441 | PayloadLen -= 6; |
| 1442 | } |
| 1443 | byKeyIdx = (*(pbyIV+3) & 0xc0); |
| 1444 | byKeyIdx >>= 6; |
| 1445 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"\nKeyIdx: %d\n", byKeyIdx); |
| 1446 | |
| 1447 | |
| 1448 | if (pDevice->pMgmt->byCSSGK == KEY_CTL_TKIP) |
| 1449 | byDecMode = KEY_CTL_TKIP; |
| 1450 | else if (pDevice->pMgmt->byCSSGK == KEY_CTL_CCMP) |
| 1451 | byDecMode = KEY_CTL_CCMP; |
| 1452 | |
| 1453 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"AES:%d %d %d\n", pDevice->pMgmt->byCSSPK, pDevice->pMgmt->byCSSGK, byDecMode); |
| 1454 | |
| 1455 | if (byDecMode != pKey->byCipherSuite) { |
| 1456 | if (byDecMode == KEY_CTL_WEP) { |
| 1457 | // pDevice->s802_11Counter.WEPUndecryptableCount.QuadPart++; |
| 1458 | } else if (pDevice->bLinkPass == TRUE) { |
| 1459 | // pDevice->s802_11Counter.DecryptFailureCount.QuadPart++; |
| 1460 | } |
| 1461 | return FALSE; |
| 1462 | } |
| 1463 | |
| 1464 | if (byDecMode == KEY_CTL_WEP) { |
| 1465 | // handle WEP |
| 1466 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"byDecMode == KEY_CTL_WEP \n"); |
| 1467 | if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || |
| 1468 | (((PSKeyTable)(pKey->pvKeyTable))->bSoftWEP == TRUE) || |
| 1469 | (bOnFly == FALSE)) { |
| 1470 | // Software WEP |
| 1471 | // 1. 3253A |
| 1472 | // 2. WEP 256 |
| 1473 | // 3. NotOnFly |
| 1474 | |
| 1475 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 4 + 4); // 24 is 802.11 header,4 is IV, 4 is crc |
| 1476 | MEMvCopy(pDevice->abyPRNG, pbyIV, 3); |
| 1477 | MEMvCopy(pDevice->abyPRNG + 3, pKey->abyKey, pKey->uKeyLength); |
| 1478 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, pKey->uKeyLength + 3); |
| 1479 | rc4_encrypt(&pDevice->SBox, pbyIV+4, pbyIV+4, PayloadLen); |
| 1480 | |
| 1481 | if (ETHbIsBufferCrc32Ok(pbyIV+4, PayloadLen)) { |
| 1482 | *pbyNewRsr |= NEWRSR_DECRYPTOK; |
| 1483 | } |
| 1484 | } |
| 1485 | } else if ((byDecMode == KEY_CTL_TKIP) || |
| 1486 | (byDecMode == KEY_CTL_CCMP)) { |
| 1487 | // TKIP/AES |
| 1488 | |
| 1489 | PayloadLen -= (WLAN_HDR_ADDR3_LEN + 8 + 4); // 24 is 802.11 header, 8 is IV&ExtIV, 4 is crc |
| 1490 | *pdwRxTSC47_16 = cpu_to_le32(*(PDWORD)(pbyIV + 4)); |
| 1491 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ExtIV: %lx\n",*pdwRxTSC47_16); |
| 1492 | |
| 1493 | if (byDecMode == KEY_CTL_TKIP) { |
| 1494 | *pwRxTSC15_0 = cpu_to_le16(MAKEWORD(*(pbyIV+2), *pbyIV)); |
| 1495 | } else { |
| 1496 | *pwRxTSC15_0 = cpu_to_le16(*(PWORD)pbyIV); |
| 1497 | } |
| 1498 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"TSC0_15: %x\n", *pwRxTSC15_0); |
| 1499 | |
| 1500 | if (byDecMode == KEY_CTL_TKIP) { |
| 1501 | if ((pDevice->byLocalID <= REV_ID_VT3253_A1) || (bOnFly == FALSE)) { |
| 1502 | // Software TKIP |
| 1503 | // 1. 3253 A |
| 1504 | // 2. NotOnFly |
| 1505 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_TKIP \n"); |
| 1506 | pMACHeader = (PS802_11Header) (pbyFrame); |
| 1507 | TKIPvMixKey(pKey->abyKey, pMACHeader->abyAddr2, *pwRxTSC15_0, *pdwRxTSC47_16, pDevice->abyPRNG); |
| 1508 | rc4_init(&pDevice->SBox, pDevice->abyPRNG, TKIP_KEY_LEN); |
| 1509 | rc4_encrypt(&pDevice->SBox, pbyIV+8, pbyIV+8, PayloadLen); |
| 1510 | if (ETHbIsBufferCrc32Ok(pbyIV+8, PayloadLen)) { |
| 1511 | *pbyNewRsr |= NEWRSR_DECRYPTOK; |
| 1512 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV OK!\n"); |
| 1513 | } else { |
| 1514 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ICV FAIL!!!\n"); |
| 1515 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"PayloadLen = %d\n", PayloadLen); |
| 1516 | } |
| 1517 | } |
| 1518 | } |
| 1519 | |
| 1520 | if (byDecMode == KEY_CTL_CCMP) { |
| 1521 | if (bOnFly == FALSE) { |
| 1522 | // Software CCMP |
| 1523 | // NotOnFly |
| 1524 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"soft KEY_CTL_CCMP\n"); |
| 1525 | if (AESbGenCCMP(pKey->abyKey, pbyFrame, FrameSize)) { |
| 1526 | *pbyNewRsr |= NEWRSR_DECRYPTOK; |
| 1527 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC compare OK!\n"); |
| 1528 | } else { |
| 1529 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO"CCMP MIC fail!\n"); |
| 1530 | } |
| 1531 | } |
| 1532 | } |
| 1533 | |
| 1534 | }// end of TKIP/AES |
| 1535 | |
| 1536 | if ((*(pbyIV+3) & 0x20) != 0) |
| 1537 | *pbExtIV = TRUE; |
| 1538 | return TRUE; |
| 1539 | } |
| 1540 | |
| 1541 | |
| 1542 | |
| 1543 | |
| 1544 | #ifdef PRIVATE_OBJ |
| 1545 | |
| 1546 | static BOOL s_bAPModeRxData ( |
| 1547 | IN PSDevice pDevice, |
| 1548 | IN ref_sk_buff* skb, |
| 1549 | IN UINT FrameSize, |
| 1550 | IN UINT cbHeaderOffset, |
| 1551 | IN INT iSANodeIndex, |
| 1552 | IN INT iDANodeIndex |
| 1553 | ) |
| 1554 | |
| 1555 | #else |
| 1556 | |
| 1557 | static BOOL s_bAPModeRxData ( |
| 1558 | IN PSDevice pDevice, |
| 1559 | IN struct sk_buff* skb, |
| 1560 | IN UINT FrameSize, |
| 1561 | IN UINT cbHeaderOffset, |
| 1562 | IN INT iSANodeIndex, |
| 1563 | IN INT iDANodeIndex |
| 1564 | ) |
| 1565 | #endif |
| 1566 | { |
| 1567 | PSMgmtObject pMgmt = pDevice->pMgmt; |
| 1568 | BOOL bRelayAndForward = FALSE; |
| 1569 | BOOL bRelayOnly = FALSE; |
| 1570 | BYTE byMask[8] = {1, 2, 4, 8, 0x10, 0x20, 0x40, 0x80}; |
| 1571 | WORD wAID; |
| 1572 | #ifdef PRIVATE_OBJ |
| 1573 | struct sk_buff* tmp_skb; |
| 1574 | ref_sk_buff s_ref_skb; |
| 1575 | ref_sk_buff* skbcpy = &s_ref_skb; |
| 1576 | #else |
| 1577 | struct sk_buff* skbcpy = NULL; |
| 1578 | #endif |
| 1579 | |
| 1580 | |
| 1581 | |
| 1582 | if (FrameSize > CB_MAX_BUF_SIZE) |
| 1583 | return FALSE; |
| 1584 | // check DA |
| 1585 | if(IS_MULTICAST_ADDRESS((PBYTE)(skb->data+cbHeaderOffset))) { |
| 1586 | if (pMgmt->sNodeDBTable[0].bPSEnable) { |
| 1587 | |
| 1588 | #ifdef PRIVATE_OBJ |
| 1589 | tmp_skb = dev_alloc_skb((int)pDevice->rx_buf_sz); |
| 1590 | skbcpy = &s_ref_skb; |
| 1591 | ref_skb_remap(pDevice->dev, skbcpy, tmp_skb); |
| 1592 | #else |
| 1593 | skbcpy = dev_alloc_skb((int)pDevice->rx_buf_sz); |
| 1594 | #endif |
| 1595 | // if any node in PS mode, buffer packet until DTIM. |
| 1596 | if (skbcpy == NULL) { |
| 1597 | DEVICE_PRT(MSG_LEVEL_NOTICE, KERN_INFO "relay multicast no skb available \n"); |
| 1598 | } |
| 1599 | else { |
| 1600 | skbcpy->dev = pDevice->dev; |
| 1601 | #ifdef PRIVATE_OBJ |
| 1602 | *(skbcpy->len) = FrameSize; |
| 1603 | memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize); |
| 1604 | skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy->skb); |
| 1605 | #else |
| 1606 | skbcpy->len = FrameSize; |
| 1607 | memcpy(skbcpy->data, skb->data+cbHeaderOffset, FrameSize); |
| 1608 | skb_queue_tail(&(pMgmt->sNodeDBTable[0].sTxPSQueue), skbcpy); |
| 1609 | #endif |
| 1610 | pMgmt->sNodeDBTable[0].wEnQueueCnt++; |
| 1611 | // set tx map |
| 1612 | pMgmt->abyPSTxMap[0] |= byMask[0]; |
| 1613 | } |
| 1614 | } |
| 1615 | else { |
| 1616 | bRelayAndForward = TRUE; |
| 1617 | } |
| 1618 | } |
| 1619 | else { |
| 1620 | // check if relay |
| 1621 | if (BSSDBbIsSTAInNodeDB(pMgmt, (PBYTE)(skb->data+cbHeaderOffset), &iDANodeIndex)) { |
| 1622 | if (pMgmt->sNodeDBTable[iDANodeIndex].eNodeState >= NODE_ASSOC) { |
| 1623 | if (pMgmt->sNodeDBTable[iDANodeIndex].bPSEnable) { |
| 1624 | // queue this skb until next PS tx, and then release. |
| 1625 | |
| 1626 | #ifdef PRIVATE_OBJ |
| 1627 | ref_skb_add_offset(skb->skb, cbHeaderOffset); |
| 1628 | skb_put(skb->skb, FrameSize); |
| 1629 | skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb->skb); |
| 1630 | #else |
| 1631 | skb->data += cbHeaderOffset; |
| 1632 | skb->tail += cbHeaderOffset; |
| 1633 | skb_put(skb, FrameSize); |
| 1634 | skb_queue_tail(&pMgmt->sNodeDBTable[iDANodeIndex].sTxPSQueue, skb); |
| 1635 | #endif |
| 1636 | pMgmt->sNodeDBTable[iDANodeIndex].wEnQueueCnt++; |
| 1637 | wAID = pMgmt->sNodeDBTable[iDANodeIndex].wAID; |
| 1638 | pMgmt->abyPSTxMap[wAID >> 3] |= byMask[wAID & 7]; |
| 1639 | DEVICE_PRT(MSG_LEVEL_DEBUG, KERN_INFO "relay: index= %d, pMgmt->abyPSTxMap[%d]= %d\n", |
| 1640 | iDANodeIndex, (wAID >> 3), pMgmt->abyPSTxMap[wAID >> 3]); |
| 1641 | return TRUE; |
| 1642 | } |
| 1643 | else { |
| 1644 | bRelayOnly = TRUE; |
| 1645 | } |
| 1646 | } |
| 1647 | }; |
| 1648 | } |
| 1649 | |
| 1650 | if (bRelayOnly || bRelayAndForward) { |
| 1651 | // relay this packet right now |
| 1652 | if (bRelayAndForward) |
| 1653 | iDANodeIndex = 0; |
| 1654 | |
| 1655 | if ((pDevice->uAssocCount > 1) && (iDANodeIndex >= 0)) { |
| 1656 | ROUTEbRelay(pDevice, (PBYTE)(skb->data + cbHeaderOffset), FrameSize, (UINT)iDANodeIndex); |
| 1657 | } |
| 1658 | |
| 1659 | if (bRelayOnly) |
| 1660 | return FALSE; |
| 1661 | } |
| 1662 | // none associate, don't forward |
| 1663 | if (pDevice->uAssocCount == 0) |
| 1664 | return FALSE; |
| 1665 | |
| 1666 | return TRUE; |
| 1667 | } |
| 1668 | |