1/* 2 ************************************************************************* 3 * Ralink Tech Inc. 4 * 5F., No.36, Taiyuan St., Jhubei City, 5 * Hsinchu County 302, 6 * Taiwan, R.O.C. 7 * 8 * (c) Copyright 2002-2007, Ralink Technology, Inc. 9 * 10 * This program is free software; you can redistribute it and/or modify * 11 * it under the terms of the GNU General Public License as published by * 12 * the Free Software Foundation; either version 2 of the License, or * 13 * (at your option) any later version. * 14 * * 15 * This program is distributed in the hope that it will be useful, * 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 18 * GNU General Public License for more details. * 19 * * 20 * You should have received a copy of the GNU General Public License * 21 * along with this program; if not, write to the * 22 * Free Software Foundation, Inc., * 23 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * 24 * * 25 ************************************************************************* 26*/ 27 28#include "../rt_config.h" 29 30u8 SNAP_802_1H[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; 31u8 SNAP_BRIDGE_TUNNEL[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 }; 32 33/* Add Cisco Aironet SNAP heade for CCX2 support */ 34u8 SNAP_AIRONET[] = { 0xaa, 0xaa, 0x03, 0x00, 0x40, 0x96, 0x00, 0x00 }; 35u8 CKIP_LLC_SNAP[] = { 0xaa, 0xaa, 0x03, 0x00, 0x40, 0x96, 0x00, 0x02 }; 36u8 EAPOL_LLC_SNAP[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x88, 0x8e }; 37u8 EAPOL[] = { 0x88, 0x8e }; 38u8 TPID[] = { 0x81, 0x00 }; /* VLAN related */ 39 40u8 IPX[] = { 0x81, 0x37 }; 41u8 APPLE_TALK[] = { 0x80, 0xf3 }; 42 43u8 RateIdToPlcpSignal[12] = { 44 0, /* RATE_1 */ 1, /* RATE_2 */ 2, /* RATE_5_5 */ 3, /* RATE_11 *//* see BBP spec */ 45 11, /* RATE_6 */ 15, /* RATE_9 */ 10, /* RATE_12 */ 14, /* RATE_18 *//* see IEEE802.11a-1999 p.14 */ 46 9, /* RATE_24 */ 13, /* RATE_36 */ 8, /* RATE_48 */ 12 /* RATE_54 */ 47}; /* see IEEE802.11a-1999 p.14 */ 48 49u8 OfdmSignalToRateId[16] = { 50 RATE_54, RATE_54, RATE_54, RATE_54, /* OFDM PLCP Signal = 0, 1, 2, 3 respectively */ 51 RATE_54, RATE_54, RATE_54, RATE_54, /* OFDM PLCP Signal = 4, 5, 6, 7 respectively */ 52 RATE_48, RATE_24, RATE_12, RATE_6, /* OFDM PLCP Signal = 8, 9, 10, 11 respectively */ 53 RATE_54, RATE_36, RATE_18, RATE_9, /* OFDM PLCP Signal = 12, 13, 14, 15 respectively */ 54}; 55 56u8 OfdmRateToRxwiMCS[12] = { 57 0, 0, 0, 0, 58 0, 1, 2, 3, /* OFDM rate 6,9,12,18 = rxwi mcs 0,1,2,3 */ 59 4, 5, 6, 7, /* OFDM rate 24,36,48,54 = rxwi mcs 4,5,6,7 */ 60}; 61 62u8 RxwiMCSToOfdmRate[12] = { 63 RATE_6, RATE_9, RATE_12, RATE_18, 64 RATE_24, RATE_36, RATE_48, RATE_54, /* OFDM rate 6,9,12,18 = rxwi mcs 0,1,2,3 */ 65 4, 5, 6, 7, /* OFDM rate 24,36,48,54 = rxwi mcs 4,5,6,7 */ 66}; 67 68char *MCSToMbps[] = 69 { "1Mbps", "2Mbps", "5.5Mbps", "11Mbps", "06Mbps", "09Mbps", "12Mbps", 70"18Mbps", "24Mbps", "36Mbps", "48Mbps", "54Mbps", "MM-0", "MM-1", "MM-2", "MM-3", 71"MM-4", "MM-5", "MM-6", "MM-7", "MM-8", "MM-9", "MM-10", "MM-11", "MM-12", "MM-13", 72"MM-14", "MM-15", "MM-32", "ee1", "ee2", "ee3" }; 73 74u8 default_cwmin[] = 75 { CW_MIN_IN_BITS, CW_MIN_IN_BITS, CW_MIN_IN_BITS - 1, CW_MIN_IN_BITS - 2 }; 76/*u8 default_cwmax[]={CW_MAX_IN_BITS, CW_MAX_IN_BITS, CW_MIN_IN_BITS, CW_MIN_IN_BITS-1}; */ 77u8 default_sta_aifsn[] = { 3, 7, 2, 2 }; 78 79u8 MapUserPriorityToAccessCategory[8] = 80 { QID_AC_BE, QID_AC_BK, QID_AC_BK, QID_AC_BE, QID_AC_VI, QID_AC_VI, 81QID_AC_VO, QID_AC_VO }; 82 83/* 84 ======================================================================== 85 86 Routine Description: 87 API for MLME to transmit management frame to AP (BSS Mode) 88 or station (IBSS Mode) 89 90 Arguments: 91 pAd Pointer to our adapter 92 pData Pointer to the outgoing 802.11 frame 93 Length Size of outgoing management frame 94 95 Return Value: 96 NDIS_STATUS_FAILURE 97 NDIS_STATUS_PENDING 98 NDIS_STATUS_SUCCESS 99 100 IRQL = PASSIVE_LEVEL 101 IRQL = DISPATCH_LEVEL 102 103 Note: 104 105 ======================================================================== 106*/ 107int MiniportMMRequest(struct rt_rtmp_adapter *pAd, 108 u8 QueIdx, u8 *pData, u32 Length) 109{ 110 void *pPacket; 111 int Status = NDIS_STATUS_SUCCESS; 112 unsigned long FreeNum; 113 u8 rtmpHwHdr[TXINFO_SIZE + TXWI_SIZE]; /*RTMP_HW_HDR_LEN]; */ 114#ifdef RTMP_MAC_PCI 115 unsigned long IrqFlags = 0; 116 u8 IrqState; 117#endif /* RTMP_MAC_PCI // */ 118 BOOLEAN bUseDataQ = FALSE; 119 int retryCnt = 0; 120 121 ASSERT(Length <= MGMT_DMA_BUFFER_SIZE); 122 123 if ((QueIdx & MGMT_USE_QUEUE_FLAG) == MGMT_USE_QUEUE_FLAG) { 124 bUseDataQ = TRUE; 125 QueIdx &= (~MGMT_USE_QUEUE_FLAG); 126 } 127#ifdef RTMP_MAC_PCI 128 /* 2860C use Tx Ring */ 129 IrqState = pAd->irq_disabled; 130 if (pAd->MACVersion == 0x28600100) { 131 QueIdx = (bUseDataQ == TRUE ? QueIdx : 3); 132 bUseDataQ = TRUE; 133 } 134 if (bUseDataQ && (!IrqState)) 135 RTMP_IRQ_LOCK(&pAd->irq_lock, IrqFlags); 136#endif /* RTMP_MAC_PCI // */ 137 138 do { 139 /* Reset is in progress, stop immediately */ 140 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS) || 141 RTMP_TEST_FLAG(pAd, 142 fRTMP_ADAPTER_HALT_IN_PROGRESS | 143 fRTMP_ADAPTER_NIC_NOT_EXIST) 144 || !RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_START_UP)) { 145 Status = NDIS_STATUS_FAILURE; 146 break; 147 } 148 /* Check Free priority queue */ 149 /* Since we use PBF Queue2 for management frame. Its corresponding DMA ring should be using TxRing. */ 150#ifdef RTMP_MAC_PCI 151 if (bUseDataQ) { 152 retryCnt = MAX_DATAMM_RETRY; 153 /* free Tx(QueIdx) resources */ 154 RTMPFreeTXDUponTxDmaDone(pAd, QueIdx); 155 FreeNum = GET_TXRING_FREENO(pAd, QueIdx); 156 } else 157#endif /* RTMP_MAC_PCI // */ 158 { 159 FreeNum = GET_MGMTRING_FREENO(pAd); 160 } 161 162 if ((FreeNum > 0)) { 163 /* We need to reserve space for rtmp hardware header. i.e., TxWI for RT2860 and TxInfo+TxWI for RT2870 */ 164 NdisZeroMemory(&rtmpHwHdr, (TXINFO_SIZE + TXWI_SIZE)); 165 Status = 166 RTMPAllocateNdisPacket(pAd, &pPacket, 167 (u8 *)& rtmpHwHdr, 168 (TXINFO_SIZE + TXWI_SIZE), 169 pData, Length); 170 if (Status != NDIS_STATUS_SUCCESS) { 171 DBGPRINT(RT_DEBUG_WARN, 172 ("MiniportMMRequest (error:: can't allocate NDIS PACKET)\n")); 173 break; 174 } 175 /*pAd->CommonCfg.MlmeTransmit.field.MODE = MODE_CCK; */ 176 /*pAd->CommonCfg.MlmeRate = RATE_2; */ 177 178#ifdef RTMP_MAC_PCI 179 if (bUseDataQ) { 180 Status = 181 MlmeDataHardTransmit(pAd, QueIdx, pPacket); 182 retryCnt--; 183 } else 184#endif /* RTMP_MAC_PCI // */ 185 Status = MlmeHardTransmit(pAd, QueIdx, pPacket); 186 if (Status == NDIS_STATUS_SUCCESS) 187 retryCnt = 0; 188 else 189 RTMPFreeNdisPacket(pAd, pPacket); 190 } else { 191 pAd->RalinkCounters.MgmtRingFullCount++; 192#ifdef RTMP_MAC_PCI 193 if (bUseDataQ) { 194 retryCnt--; 195 DBGPRINT(RT_DEBUG_TRACE, 196 ("retryCnt %d\n", retryCnt)); 197 if (retryCnt == 0) { 198 DBGPRINT(RT_DEBUG_ERROR, 199 ("Qidx(%d), not enough space in DataRing, MgmtRingFullCount=%ld!\n", 200 QueIdx, 201 pAd->RalinkCounters. 202 MgmtRingFullCount)); 203 } 204 } 205#endif /* RTMP_MAC_PCI // */ 206 DBGPRINT(RT_DEBUG_ERROR, 207 ("Qidx(%d), not enough space in MgmtRing, MgmtRingFullCount=%ld!\n", 208 QueIdx, 209 pAd->RalinkCounters.MgmtRingFullCount)); 210 } 211 } while (retryCnt > 0); 212 213#ifdef RTMP_MAC_PCI 214 if (bUseDataQ && (!IrqState)) 215 RTMP_IRQ_UNLOCK(&pAd->irq_lock, IrqFlags); 216#endif /* RTMP_MAC_PCI // */ 217 218 return Status; 219} 220 221/* 222 ======================================================================== 223 224 Routine Description: 225 Copy frame from waiting queue into relative ring buffer and set 226 appropriate ASIC register to kick hardware transmit function 227 228 Arguments: 229 pAd Pointer to our adapter 230 pBuffer Pointer to memory of outgoing frame 231 Length Size of outgoing management frame 232 233 Return Value: 234 NDIS_STATUS_FAILURE 235 NDIS_STATUS_PENDING 236 NDIS_STATUS_SUCCESS 237 238 IRQL = PASSIVE_LEVEL 239 IRQL = DISPATCH_LEVEL 240 241 Note: 242 243 ======================================================================== 244*/ 245int MlmeHardTransmit(struct rt_rtmp_adapter *pAd, 246 u8 QueIdx, void *pPacket) 247{ 248 struct rt_packet_info PacketInfo; 249 u8 *pSrcBufVA; 250 u32 SrcBufLen; 251 struct rt_header_802_11 * pHeader_802_11; 252 253 if ((pAd->CommonCfg.RadarDetect.RDMode != RD_NORMAL_MODE) 254 ) { 255 return NDIS_STATUS_FAILURE; 256 } 257 258 RTMP_QueryPacketInfo(pPacket, &PacketInfo, &pSrcBufVA, &SrcBufLen); 259 if (pSrcBufVA == NULL) 260 return NDIS_STATUS_FAILURE; 261 262 pHeader_802_11 = (struct rt_header_802_11 *) (pSrcBufVA + TXINFO_SIZE + TXWI_SIZE); 263 264#ifdef RTMP_MAC_PCI 265 if (pAd->MACVersion == 0x28600100) 266 return MlmeHardTransmitTxRing(pAd, QueIdx, pPacket); 267 else 268#endif /* RTMP_MAC_PCI // */ 269 return MlmeHardTransmitMgmtRing(pAd, QueIdx, pPacket); 270 271} 272 273int MlmeHardTransmitMgmtRing(struct rt_rtmp_adapter *pAd, 274 u8 QueIdx, void *pPacket) 275{ 276 struct rt_packet_info PacketInfo; 277 u8 *pSrcBufVA; 278 u32 SrcBufLen; 279 struct rt_header_802_11 * pHeader_802_11; 280 BOOLEAN bAckRequired, bInsertTimestamp; 281 u8 MlmeRate; 282 struct rt_txwi * pFirstTxWI; 283 struct rt_mac_table_entry *pMacEntry = NULL; 284 u8 PID; 285 286 RTMP_QueryPacketInfo(pPacket, &PacketInfo, &pSrcBufVA, &SrcBufLen); 287 288 /* Make sure MGMT ring resource won't be used by other threads */ 289 RTMP_SEM_LOCK(&pAd->MgmtRingLock); 290 if (pSrcBufVA == NULL) { 291 /* The buffer shouldn't be NULL */ 292 RTMP_SEM_UNLOCK(&pAd->MgmtRingLock); 293 return NDIS_STATUS_FAILURE; 294 } 295 296 { 297 /* outgoing frame always wakeup PHY to prevent frame lost */ 298 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE)) 299 AsicForceWakeup(pAd, TRUE); 300 } 301 302 pFirstTxWI = (struct rt_txwi *) (pSrcBufVA + TXINFO_SIZE); 303 pHeader_802_11 = (struct rt_header_802_11 *) (pSrcBufVA + TXINFO_SIZE + TXWI_SIZE); /*TXWI_SIZE); */ 304 305 if (pHeader_802_11->Addr1[0] & 0x01) { 306 MlmeRate = pAd->CommonCfg.BasicMlmeRate; 307 } else { 308 MlmeRate = pAd->CommonCfg.MlmeRate; 309 } 310 311 /* Verify Mlme rate for a / g bands. */ 312 if ((pAd->LatchRfRegs.Channel > 14) && (MlmeRate < RATE_6)) /* 11A band */ 313 MlmeRate = RATE_6; 314 315 if ((pHeader_802_11->FC.Type == BTYPE_DATA) && 316 (pHeader_802_11->FC.SubType == SUBTYPE_QOS_NULL)) { 317 pMacEntry = MacTableLookup(pAd, pHeader_802_11->Addr1); 318 } 319 320 { 321 /* Fixed W52 with Activity scan issue in ABG_MIXED and ABGN_MIXED mode. */ 322 if (pAd->CommonCfg.PhyMode == PHY_11ABG_MIXED 323 || pAd->CommonCfg.PhyMode == PHY_11ABGN_MIXED) { 324 if (pAd->LatchRfRegs.Channel > 14) 325 pAd->CommonCfg.MlmeTransmit.field.MODE = 1; 326 else 327 pAd->CommonCfg.MlmeTransmit.field.MODE = 0; 328 } 329 } 330 331 /* */ 332 /* Should not be hard code to set PwrMgmt to 0 (PWR_ACTIVE) */ 333 /* Snice it's been set to 0 while on MgtMacHeaderInit */ 334 /* By the way this will cause frame to be send on PWR_SAVE failed. */ 335 /* */ 336 pHeader_802_11->FC.PwrMgmt = PWR_ACTIVE; /* (pAd->StaCfg.Psm == PWR_SAVE); */ 337 338 /* */ 339 /* In WMM-UAPSD, mlme frame should be set psm as power saving but probe request frame */ 340 /* Data-Null packets alse pass through MMRequest in RT2860, however, we hope control the psm bit to pass APSD */ 341/* if ((pHeader_802_11->FC.Type != BTYPE_DATA) && (pHeader_802_11->FC.Type != BTYPE_CNTL)) */ 342 { 343 if ((pHeader_802_11->FC.SubType == SUBTYPE_ACTION) || 344 ((pHeader_802_11->FC.Type == BTYPE_DATA) && 345 ((pHeader_802_11->FC.SubType == SUBTYPE_QOS_NULL) || 346 (pHeader_802_11->FC.SubType == SUBTYPE_NULL_FUNC)))) { 347 if (pAd->StaCfg.Psm == PWR_SAVE) 348 pHeader_802_11->FC.PwrMgmt = PWR_SAVE; 349 else 350 pHeader_802_11->FC.PwrMgmt = 351 pAd->CommonCfg.bAPSDForcePowerSave; 352 } 353 } 354 355 bInsertTimestamp = FALSE; 356 if (pHeader_802_11->FC.Type == BTYPE_CNTL) /* must be PS-POLL */ 357 { 358 /*Set PM bit in ps-poll, to fix WLK 1.2 PowerSaveMode_ext failure issue. */ 359 if ((pAd->OpMode == OPMODE_STA) 360 && (pHeader_802_11->FC.SubType == SUBTYPE_PS_POLL)) { 361 pHeader_802_11->FC.PwrMgmt = PWR_SAVE; 362 } 363 bAckRequired = FALSE; 364 } else /* BTYPE_MGMT or BTYPE_DATA(must be NULL frame) */ 365 { 366 /*pAd->Sequence++; */ 367 /*pHeader_802_11->Sequence = pAd->Sequence; */ 368 369 if (pHeader_802_11->Addr1[0] & 0x01) /* MULTICAST, BROADCAST */ 370 { 371 bAckRequired = FALSE; 372 pHeader_802_11->Duration = 0; 373 } else { 374 bAckRequired = TRUE; 375 pHeader_802_11->Duration = 376 RTMPCalcDuration(pAd, MlmeRate, 14); 377 if ((pHeader_802_11->FC.SubType == SUBTYPE_PROBE_RSP) 378 && (pHeader_802_11->FC.Type == BTYPE_MGMT)) { 379 bInsertTimestamp = TRUE; 380 bAckRequired = FALSE; /* Disable ACK to prevent retry 0x1f for Probe Response */ 381 } else 382 if ((pHeader_802_11->FC.SubType == 383 SUBTYPE_PROBE_REQ) 384 && (pHeader_802_11->FC.Type == BTYPE_MGMT)) { 385 bAckRequired = FALSE; /* Disable ACK to prevent retry 0x1f for Probe Request */ 386 } 387 } 388 } 389 390 pHeader_802_11->Sequence = pAd->Sequence++; 391 if (pAd->Sequence > 0xfff) 392 pAd->Sequence = 0; 393 394 /* Before radar detection done, mgmt frame can not be sent but probe req */ 395 /* Because we need to use probe req to trigger driver to send probe req in passive scan */ 396 if ((pHeader_802_11->FC.SubType != SUBTYPE_PROBE_REQ) 397 && (pAd->CommonCfg.bIEEE80211H == 1) 398 && (pAd->CommonCfg.RadarDetect.RDMode != RD_NORMAL_MODE)) { 399 DBGPRINT(RT_DEBUG_ERROR, 400 ("MlmeHardTransmit --> radar detect not in normal mode!\n")); 401/* if (!IrqState) */ 402 RTMP_SEM_UNLOCK(&pAd->MgmtRingLock); 403 return (NDIS_STATUS_FAILURE); 404 } 405 406 /* */ 407 /* fill scatter-and-gather buffer list into TXD. Internally created NDIS PACKET */ 408 /* should always has only one physical buffer, and the whole frame size equals */ 409 /* to the first scatter buffer size */ 410 /* */ 411 412 /* Initialize TX Descriptor */ 413 /* For inter-frame gap, the number is for this frame and next frame */ 414 /* For MLME rate, we will fix as 2Mb to match other vendor's implement */ 415/* pAd->CommonCfg.MlmeTransmit.field.MODE = 1; */ 416 417/* management frame doesn't need encryption. so use RESERVED_WCID no matter u are sending to specific wcid or not. */ 418 PID = PID_MGMT; 419 420 if (pMacEntry == NULL) { 421 RTMPWriteTxWI(pAd, pFirstTxWI, FALSE, FALSE, bInsertTimestamp, 422 FALSE, bAckRequired, FALSE, 0, RESERVED_WCID, 423 (SrcBufLen - TXINFO_SIZE - TXWI_SIZE), PID, 0, 424 (u8)pAd->CommonCfg.MlmeTransmit.field.MCS, 425 IFS_BACKOFF, FALSE, &pAd->CommonCfg.MlmeTransmit); 426 } else { 427 /* dont use low rate to send QoS Null data frame */ 428 RTMPWriteTxWI(pAd, pFirstTxWI, FALSE, FALSE, 429 bInsertTimestamp, FALSE, bAckRequired, FALSE, 430 0, pMacEntry->Aid, 431 (SrcBufLen - TXINFO_SIZE - TXWI_SIZE), 432 pMacEntry->MaxHTPhyMode.field.MCS, 0, 433 (u8)pMacEntry->MaxHTPhyMode.field.MCS, 434 IFS_BACKOFF, FALSE, &pMacEntry->MaxHTPhyMode); 435 } 436 437 /* Now do hardware-depened kick out. */ 438 HAL_KickOutMgmtTx(pAd, QueIdx, pPacket, pSrcBufVA, SrcBufLen); 439 440 /* Make sure to release MGMT ring resource */ 441/* if (!IrqState) */ 442 RTMP_SEM_UNLOCK(&pAd->MgmtRingLock); 443 return NDIS_STATUS_SUCCESS; 444} 445 446/******************************************************************************** 447 448 New DeQueue Procedures. 449 450 ********************************************************************************/ 451 452#define DEQUEUE_LOCK(lock, bIntContext, IrqFlags) \ 453 do{ \ 454 if (bIntContext == FALSE) \ 455 RTMP_IRQ_LOCK((lock), IrqFlags); \ 456 }while(0) 457 458#define DEQUEUE_UNLOCK(lock, bIntContext, IrqFlags) \ 459 do{ \ 460 if (bIntContext == FALSE) \ 461 RTMP_IRQ_UNLOCK((lock), IrqFlags); \ 462 }while(0) 463 464/* 465 ======================================================================== 466 Tx Path design algorithm: 467 Basically, we divide the packets into four types, Broadcast/Multicast, 11N Rate(AMPDU, AMSDU, Normal), B/G Rate(ARALINK, Normal), 468 Specific Packet Type. Following show the classification rule and policy for each kinds of packets. 469 Classification Rule=> 470 Multicast: (*addr1 & 0x01) == 0x01 471 Specific : bDHCPFrame, bARPFrame, bEAPOLFrame, etc. 472 11N Rate : If peer support HT 473 (1).AMPDU -- If TXBA is negotiated. 474 (2).AMSDU -- If AMSDU is capable for both peer and ourself. 475 *). AMSDU can embedded in a AMPDU, but now we didn't support it. 476 (3).Normal -- Other packets which send as 11n rate. 477 478 B/G Rate : If peer is b/g only. 479 (1).ARALINK-- If both of peer/us supprot Ralink proprietary Aggregation and the TxRate is large than RATE_6 480 (2).Normal -- Other packets which send as b/g rate. 481 Fragment: 482 The packet must be unicast, NOT A-RALINK, NOT A-MSDU, NOT 11n, then can consider about fragment. 483 484 Classified Packet Handle Rule=> 485 Multicast: 486 No ACK, //pTxBlk->bAckRequired = FALSE; 487 No WMM, //pTxBlk->bWMM = FALSE; 488 No piggyback, //pTxBlk->bPiggyBack = FALSE; 489 Force LowRate, //pTxBlk->bForceLowRate = TRUE; 490 Specific : Basically, for specific packet, we should handle it specifically, but now all specific packets are use 491 the same policy to handle it. 492 Force LowRate, //pTxBlk->bForceLowRate = TRUE; 493 494 11N Rate : 495 No piggyback, //pTxBlk->bPiggyBack = FALSE; 496 497 (1).AMSDU 498 pTxBlk->bWMM = TRUE; 499 (2).AMPDU 500 pTxBlk->bWMM = TRUE; 501 (3).Normal 502 503 B/G Rate : 504 (1).ARALINK 505 506 (2).Normal 507 ======================================================================== 508*/ 509static u8 TxPktClassification(struct rt_rtmp_adapter *pAd, void *pPacket) 510{ 511 u8 TxFrameType = TX_UNKOWN_FRAME; 512 u8 Wcid; 513 struct rt_mac_table_entry *pMacEntry = NULL; 514 BOOLEAN bHTRate = FALSE; 515 516 Wcid = RTMP_GET_PACKET_WCID(pPacket); 517 if (Wcid == MCAST_WCID) { /* Handle for RA is Broadcast/Multicast Address. */ 518 return TX_MCAST_FRAME; 519 } 520 /* Handle for unicast packets */ 521 pMacEntry = &pAd->MacTab.Content[Wcid]; 522 if (RTMP_GET_PACKET_LOWRATE(pPacket)) { /* It's a specific packet need to force low rate, i.e., bDHCPFrame, bEAPOLFrame, bWAIFrame */ 523 TxFrameType = TX_LEGACY_FRAME; 524 } else if (IS_HT_RATE(pMacEntry)) { /* it's a 11n capable packet */ 525 526 /* Depends on HTPhyMode to check if the peer support the HTRate transmission. */ 527 /* Currently didn't support A-MSDU embedded in A-MPDU */ 528 bHTRate = TRUE; 529 if (RTMP_GET_PACKET_MOREDATA(pPacket) 530 || (pMacEntry->PsMode == PWR_SAVE)) 531 TxFrameType = TX_LEGACY_FRAME; 532 else if ((pMacEntry-> 533 TXBAbitmap & (1 << (RTMP_GET_PACKET_UP(pPacket)))) != 534 0) 535 return TX_AMPDU_FRAME; 536 else if (CLIENT_STATUS_TEST_FLAG 537 (pMacEntry, fCLIENT_STATUS_AMSDU_INUSED)) 538 return TX_AMSDU_FRAME; 539 else 540 TxFrameType = TX_LEGACY_FRAME; 541 } else { /* it's a legacy b/g packet. */ 542 if ((CLIENT_STATUS_TEST_FLAG(pMacEntry, fCLIENT_STATUS_AGGREGATION_CAPABLE) && pAd->CommonCfg.bAggregationCapable) && (RTMP_GET_PACKET_TXRATE(pPacket) >= RATE_6) && (!(OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_WMM_INUSED) && CLIENT_STATUS_TEST_FLAG(pMacEntry, fCLIENT_STATUS_WMM_CAPABLE)))) { /* if peer support Ralink Aggregation, we use it. */ 543 TxFrameType = TX_RALINK_FRAME; 544 } else { 545 TxFrameType = TX_LEGACY_FRAME; 546 } 547 } 548 549 /* Currently, our fragment only support when a unicast packet send as NOT-ARALINK, NOT-AMSDU and NOT-AMPDU. */ 550 if ((RTMP_GET_PACKET_FRAGMENTS(pPacket) > 1) 551 && (TxFrameType == TX_LEGACY_FRAME)) 552 TxFrameType = TX_FRAG_FRAME; 553 554 return TxFrameType; 555} 556 557BOOLEAN RTMP_FillTxBlkInfo(struct rt_rtmp_adapter *pAd, struct rt_tx_blk *pTxBlk) 558{ 559 struct rt_packet_info PacketInfo; 560 void *pPacket; 561 struct rt_mac_table_entry *pMacEntry = NULL; 562 563 pPacket = pTxBlk->pPacket; 564 RTMP_QueryPacketInfo(pPacket, &PacketInfo, &pTxBlk->pSrcBufHeader, 565 &pTxBlk->SrcBufLen); 566 567 pTxBlk->Wcid = RTMP_GET_PACKET_WCID(pPacket); 568 pTxBlk->apidx = RTMP_GET_PACKET_IF(pPacket); 569 pTxBlk->UserPriority = RTMP_GET_PACKET_UP(pPacket); 570 pTxBlk->FrameGap = IFS_HTTXOP; /* ASIC determine Frame Gap */ 571 572 if (RTMP_GET_PACKET_CLEAR_EAP_FRAME(pTxBlk->pPacket)) 573 TX_BLK_SET_FLAG(pTxBlk, fTX_bClearEAPFrame); 574 else 575 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bClearEAPFrame); 576 577 /* Default to clear this flag */ 578 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bForceNonQoS); 579 580 if (pTxBlk->Wcid == MCAST_WCID) { 581 pTxBlk->pMacEntry = NULL; 582 { 583 pTxBlk->pTransmit = 584 &pAd->MacTab.Content[MCAST_WCID].HTPhyMode; 585 } 586 587 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bAckRequired); /* AckRequired = FALSE, when broadcast packet in Adhoc mode. */ 588 /*TX_BLK_SET_FLAG(pTxBlk, fTX_bForceLowRate); */ 589 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bAllowFrag); 590 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bWMM); 591 if (RTMP_GET_PACKET_MOREDATA(pPacket)) { 592 TX_BLK_SET_FLAG(pTxBlk, fTX_bMoreData); 593 } 594 595 } else { 596 pTxBlk->pMacEntry = &pAd->MacTab.Content[pTxBlk->Wcid]; 597 pTxBlk->pTransmit = &pTxBlk->pMacEntry->HTPhyMode; 598 599 pMacEntry = pTxBlk->pMacEntry; 600 601 /* For all unicast packets, need Ack unless the Ack Policy is not set as NORMAL_ACK. */ 602 if (pAd->CommonCfg.AckPolicy[pTxBlk->QueIdx] != NORMAL_ACK) 603 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bAckRequired); 604 else 605 TX_BLK_SET_FLAG(pTxBlk, fTX_bAckRequired); 606 607 if ((pAd->OpMode == OPMODE_STA) && 608 (ADHOC_ON(pAd)) && 609 (RX_FILTER_TEST_FLAG(pAd, fRX_FILTER_ACCEPT_PROMISCUOUS))) { 610 if (pAd->CommonCfg.PSPXlink) 611 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bAckRequired); 612 } 613 614 { 615 { 616 617 /* If support WMM, enable it. */ 618 if (OPSTATUS_TEST_FLAG 619 (pAd, fOP_STATUS_WMM_INUSED) 620 && CLIENT_STATUS_TEST_FLAG(pMacEntry, 621 fCLIENT_STATUS_WMM_CAPABLE)) 622 TX_BLK_SET_FLAG(pTxBlk, fTX_bWMM); 623 624/* if (pAd->StaCfg.bAutoTxRateSwitch) */ 625/* TX_BLK_SET_FLAG(pTxBlk, fTX_AutoRateSwitch); */ 626 } 627 } 628 629 if (pTxBlk->TxFrameType == TX_LEGACY_FRAME) { 630 if ((RTMP_GET_PACKET_LOWRATE(pPacket)) || ((pAd->OpMode == OPMODE_AP) && (pMacEntry->MaxHTPhyMode.field.MODE == MODE_CCK) && (pMacEntry->MaxHTPhyMode.field.MCS == RATE_1))) { /* Specific packet, i.e., bDHCPFrame, bEAPOLFrame, bWAIFrame, need force low rate. */ 631 pTxBlk->pTransmit = 632 &pAd->MacTab.Content[MCAST_WCID].HTPhyMode; 633 634 /* Modify the WMM bit for ICV issue. If we have a packet with EOSP field need to set as 1, how to handle it??? */ 635 if (IS_HT_STA(pTxBlk->pMacEntry) && 636 (CLIENT_STATUS_TEST_FLAG 637 (pMacEntry, fCLIENT_STATUS_RALINK_CHIPSET)) 638 && ((pAd->CommonCfg.bRdg == TRUE) 639 && CLIENT_STATUS_TEST_FLAG(pMacEntry, 640 fCLIENT_STATUS_RDG_CAPABLE))) 641 { 642 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bWMM); 643 TX_BLK_SET_FLAG(pTxBlk, 644 fTX_bForceNonQoS); 645 } 646 } 647 648 if ((IS_HT_RATE(pMacEntry) == FALSE) && (CLIENT_STATUS_TEST_FLAG(pMacEntry, fCLIENT_STATUS_PIGGYBACK_CAPABLE))) { /* Currently piggy-back only support when peer is operate in b/g mode. */ 649 TX_BLK_SET_FLAG(pTxBlk, fTX_bPiggyBack); 650 } 651 652 if (RTMP_GET_PACKET_MOREDATA(pPacket)) { 653 TX_BLK_SET_FLAG(pTxBlk, fTX_bMoreData); 654 } 655 } else if (pTxBlk->TxFrameType == TX_FRAG_FRAME) { 656 TX_BLK_SET_FLAG(pTxBlk, fTX_bAllowFrag); 657 } 658 659 pMacEntry->DebugTxCount++; 660 } 661 662 return TRUE; 663} 664 665BOOLEAN CanDoAggregateTransmit(struct rt_rtmp_adapter *pAd, 666 char * pPacket, struct rt_tx_blk *pTxBlk) 667{ 668 669 /*DBGPRINT(RT_DEBUG_TRACE, ("Check if can do aggregation! TxFrameType=%d!\n", pTxBlk->TxFrameType)); */ 670 671 if (RTMP_GET_PACKET_WCID(pPacket) == MCAST_WCID) 672 return FALSE; 673 674 if (RTMP_GET_PACKET_DHCP(pPacket) || 675 RTMP_GET_PACKET_EAPOL(pPacket) || RTMP_GET_PACKET_WAI(pPacket)) 676 return FALSE; 677 678 if ((pTxBlk->TxFrameType == TX_AMSDU_FRAME) && ((pTxBlk->TotalFrameLen + GET_OS_PKT_LEN(pPacket)) > (RX_BUFFER_AGGRESIZE - 100))) { /* For AMSDU, allow the packets with total length < max-amsdu size */ 679 return FALSE; 680 } 681 682 if ((pTxBlk->TxFrameType == TX_RALINK_FRAME) && (pTxBlk->TxPacketList.Number == 2)) { /* For RALINK-Aggregation, allow two frames in one batch. */ 683 return FALSE; 684 } 685 686 if ((INFRA_ON(pAd)) && (pAd->OpMode == OPMODE_STA)) /* must be unicast to AP */ 687 return TRUE; 688 else 689 return FALSE; 690 691} 692 693/* 694 ======================================================================== 695 696 Routine Description: 697 To do the enqueue operation and extract the first item of waiting 698 list. If a number of available shared memory segments could meet 699 the request of extracted item, the extracted item will be fragmented 700 into shared memory segments. 701 702 Arguments: 703 pAd Pointer to our adapter 704 pQueue Pointer to Waiting Queue 705 706 Return Value: 707 None 708 709 IRQL = DISPATCH_LEVEL 710 711 Note: 712 713 ======================================================================== 714*/ 715void RTMPDeQueuePacket(struct rt_rtmp_adapter *pAd, IN BOOLEAN bIntContext, u8 QIdx, /* BulkOutPipeId */ 716 u8 Max_Tx_Packets) 717{ 718 struct rt_queue_entry *pEntry = NULL; 719 void *pPacket; 720 int Status = NDIS_STATUS_SUCCESS; 721 u8 Count = 0; 722 struct rt_queue_header *pQueue; 723 unsigned long FreeNumber[NUM_OF_TX_RING]; 724 u8 QueIdx, sQIdx, eQIdx; 725 unsigned long IrqFlags = 0; 726 BOOLEAN hasTxDesc = FALSE; 727 struct rt_tx_blk TxBlk; 728 struct rt_tx_blk *pTxBlk; 729 730 if (QIdx == NUM_OF_TX_RING) { 731 sQIdx = 0; 732 eQIdx = 3; /* 4 ACs, start from 0. */ 733 } else { 734 sQIdx = eQIdx = QIdx; 735 } 736 737 for (QueIdx = sQIdx; QueIdx <= eQIdx; QueIdx++) { 738 Count = 0; 739 740 RTMP_START_DEQUEUE(pAd, QueIdx, IrqFlags); 741 742 while (1) { 743 if ((RTMP_TEST_FLAG 744 (pAd, 745 (fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS | 746 fRTMP_ADAPTER_RADIO_OFF | 747 fRTMP_ADAPTER_RESET_IN_PROGRESS | 748 fRTMP_ADAPTER_HALT_IN_PROGRESS | 749 fRTMP_ADAPTER_NIC_NOT_EXIST)))) { 750 RTMP_STOP_DEQUEUE(pAd, QueIdx, IrqFlags); 751 return; 752 } 753 754 if (Count >= Max_Tx_Packets) 755 break; 756 757 DEQUEUE_LOCK(&pAd->irq_lock, bIntContext, IrqFlags); 758 if (&pAd->TxSwQueue[QueIdx] == NULL) { 759 DEQUEUE_UNLOCK(&pAd->irq_lock, bIntContext, 760 IrqFlags); 761 break; 762 } 763#ifdef RTMP_MAC_PCI 764 FreeNumber[QueIdx] = GET_TXRING_FREENO(pAd, QueIdx); 765 766 if (FreeNumber[QueIdx] <= 5) { 767 /* free Tx(QueIdx) resources */ 768 RTMPFreeTXDUponTxDmaDone(pAd, QueIdx); 769 FreeNumber[QueIdx] = 770 GET_TXRING_FREENO(pAd, QueIdx); 771 } 772#endif /* RTMP_MAC_PCI // */ 773 774 /* probe the Queue Head */ 775 pQueue = &pAd->TxSwQueue[QueIdx]; 776 pEntry = pQueue->Head; 777 if (pEntry == NULL) { 778 DEQUEUE_UNLOCK(&pAd->irq_lock, bIntContext, 779 IrqFlags); 780 break; 781 } 782 783 pTxBlk = &TxBlk; 784 NdisZeroMemory((u8 *)pTxBlk, sizeof(struct rt_tx_blk)); 785 /*InitializeQueueHeader(&pTxBlk->TxPacketList); // Didn't need it because we already memzero it. */ 786 pTxBlk->QueIdx = QueIdx; 787 788 pPacket = QUEUE_ENTRY_TO_PACKET(pEntry); 789 790 /* Early check to make sure we have enoguh Tx Resource. */ 791 hasTxDesc = 792 RTMP_HAS_ENOUGH_FREE_DESC(pAd, pTxBlk, 793 FreeNumber[QueIdx], 794 pPacket); 795 if (!hasTxDesc) { 796 pAd->PrivateInfo.TxRingFullCnt++; 797 798 DEQUEUE_UNLOCK(&pAd->irq_lock, bIntContext, 799 IrqFlags); 800 801 break; 802 } 803 804 pTxBlk->TxFrameType = TxPktClassification(pAd, pPacket); 805 pEntry = RemoveHeadQueue(pQueue); 806 pTxBlk->TotalFrameNum++; 807 pTxBlk->TotalFragNum += RTMP_GET_PACKET_FRAGMENTS(pPacket); /* The real fragment number maybe vary */ 808 pTxBlk->TotalFrameLen += GET_OS_PKT_LEN(pPacket); 809 pTxBlk->pPacket = pPacket; 810 InsertTailQueue(&pTxBlk->TxPacketList, 811 PACKET_TO_QUEUE_ENTRY(pPacket)); 812 813 if (pTxBlk->TxFrameType == TX_RALINK_FRAME 814 || pTxBlk->TxFrameType == TX_AMSDU_FRAME) { 815 /* Enhance SW Aggregation Mechanism */ 816 if (NEED_QUEUE_BACK_FOR_AGG 817 (pAd, QueIdx, FreeNumber[QueIdx], 818 pTxBlk->TxFrameType)) { 819 InsertHeadQueue(pQueue, 820 PACKET_TO_QUEUE_ENTRY 821 (pPacket)); 822 DEQUEUE_UNLOCK(&pAd->irq_lock, 823 bIntContext, IrqFlags); 824 break; 825 } 826 827 do { 828 pEntry = pQueue->Head; 829 if (pEntry == NULL) 830 break; 831 832 /* For TX_AMSDU_FRAME/TX_RALINK_FRAME, Need to check if next pakcet can do aggregation. */ 833 pPacket = QUEUE_ENTRY_TO_PACKET(pEntry); 834 FreeNumber[QueIdx] = 835 GET_TXRING_FREENO(pAd, QueIdx); 836 hasTxDesc = 837 RTMP_HAS_ENOUGH_FREE_DESC(pAd, 838 pTxBlk, 839 FreeNumber 840 [QueIdx], 841 pPacket); 842 if ((hasTxDesc == FALSE) 843 || 844 (CanDoAggregateTransmit 845 (pAd, pPacket, pTxBlk) == FALSE)) 846 break; 847 848 /*Remove the packet from the TxSwQueue and insert into pTxBlk */ 849 pEntry = RemoveHeadQueue(pQueue); 850 ASSERT(pEntry); 851 pPacket = QUEUE_ENTRY_TO_PACKET(pEntry); 852 pTxBlk->TotalFrameNum++; 853 pTxBlk->TotalFragNum += RTMP_GET_PACKET_FRAGMENTS(pPacket); /* The real fragment number maybe vary */ 854 pTxBlk->TotalFrameLen += 855 GET_OS_PKT_LEN(pPacket); 856 InsertTailQueue(&pTxBlk->TxPacketList, 857 PACKET_TO_QUEUE_ENTRY 858 (pPacket)); 859 } while (1); 860 861 if (pTxBlk->TxPacketList.Number == 1) 862 pTxBlk->TxFrameType = TX_LEGACY_FRAME; 863 } 864#ifdef RTMP_MAC_USB 865 DEQUEUE_UNLOCK(&pAd->irq_lock, bIntContext, IrqFlags); 866#endif /* RTMP_MAC_USB // */ 867 Count += pTxBlk->TxPacketList.Number; 868 869 /* Do HardTransmit now. */ 870 Status = STAHardTransmit(pAd, pTxBlk, QueIdx); 871 872#ifdef RTMP_MAC_PCI 873 DEQUEUE_UNLOCK(&pAd->irq_lock, bIntContext, IrqFlags); 874 /* static rate also need NICUpdateFifoStaCounters() function. */ 875 /*if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_TX_RATE_SWITCH_ENABLED)) */ 876 NICUpdateFifoStaCounters(pAd); 877#endif /* RTMP_MAC_PCI // */ 878 879 } 880 881 RTMP_STOP_DEQUEUE(pAd, QueIdx, IrqFlags); 882 883#ifdef RTMP_MAC_USB 884 if (!hasTxDesc) 885 RTUSBKickBulkOut(pAd); 886#endif /* RTMP_MAC_USB // */ 887 } 888 889} 890 891/* 892 ======================================================================== 893 894 Routine Description: 895 Calculates the duration which is required to transmit out frames 896 with given size and specified rate. 897 898 Arguments: 899 pAd Pointer to our adapter 900 Rate Transmit rate 901 Size Frame size in units of byte 902 903 Return Value: 904 Duration number in units of usec 905 906 IRQL = PASSIVE_LEVEL 907 IRQL = DISPATCH_LEVEL 908 909 Note: 910 911 ======================================================================== 912*/ 913u16 RTMPCalcDuration(struct rt_rtmp_adapter *pAd, u8 Rate, unsigned long Size) 914{ 915 unsigned long Duration = 0; 916 917 if (Rate < RATE_FIRST_OFDM_RATE) /* CCK */ 918 { 919 if ((Rate > RATE_1) 920 && OPSTATUS_TEST_FLAG(pAd, 921 fOP_STATUS_SHORT_PREAMBLE_INUSED)) 922 Duration = 96; /* 72+24 preamble+plcp */ 923 else 924 Duration = 192; /* 144+48 preamble+plcp */ 925 926 Duration += (u16)((Size << 4) / RateIdTo500Kbps[Rate]); 927 if ((Size << 4) % RateIdTo500Kbps[Rate]) 928 Duration++; 929 } else if (Rate <= RATE_LAST_OFDM_RATE) /* OFDM rates */ 930 { 931 Duration = 20 + 6; /* 16+4 preamble+plcp + Signal Extension */ 932 Duration += 933 4 * (u16)((11 + Size * 4) / RateIdTo500Kbps[Rate]); 934 if ((11 + Size * 4) % RateIdTo500Kbps[Rate]) 935 Duration += 4; 936 } else /*mimo rate */ 937 { 938 Duration = 20 + 6; /* 16+4 preamble+plcp + Signal Extension */ 939 } 940 941 return (u16)Duration; 942} 943 944/* 945 ======================================================================== 946 947 Routine Description: 948 Calculates the duration which is required to transmit out frames 949 with given size and specified rate. 950 951 Arguments: 952 pTxWI Pointer to head of each MPDU to HW. 953 Ack Setting for Ack requirement bit 954 Fragment Setting for Fragment bit 955 RetryMode Setting for retry mode 956 Ifs Setting for IFS gap 957 Rate Setting for transmit rate 958 Service Setting for service 959 Length Frame length 960 TxPreamble Short or Long preamble when using CCK rates 961 QueIdx - 0-3, according to 802.11e/d4.4 June/2003 962 963 Return Value: 964 None 965 966 IRQL = PASSIVE_LEVEL 967 IRQL = DISPATCH_LEVEL 968 969 See also : BASmartHardTransmit() ! 970 971 ======================================================================== 972*/ 973void RTMPWriteTxWI(struct rt_rtmp_adapter *pAd, struct rt_txwi * pOutTxWI, IN BOOLEAN FRAG, IN BOOLEAN CFACK, IN BOOLEAN InsTimestamp, IN BOOLEAN AMPDU, IN BOOLEAN Ack, IN BOOLEAN NSeq, /* HW new a sequence. */ 974 u8 BASize, 975 u8 WCID, 976 unsigned long Length, 977 u8 PID, 978 u8 TID, 979 u8 TxRate, 980 u8 Txopmode, 981 IN BOOLEAN CfAck, IN HTTRANSMIT_SETTING * pTransmit) 982{ 983 struct rt_mac_table_entry *pMac = NULL; 984 struct rt_txwi TxWI; 985 struct rt_txwi * pTxWI; 986 987 if (WCID < MAX_LEN_OF_MAC_TABLE) 988 pMac = &pAd->MacTab.Content[WCID]; 989 990 /* */ 991 /* Always use Long preamble before verifiation short preamble functionality works well. */ 992 /* Todo: remove the following line if short preamble functionality works */ 993 /* */ 994 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED); 995 NdisZeroMemory(&TxWI, TXWI_SIZE); 996 pTxWI = &TxWI; 997 998 pTxWI->FRAG = FRAG; 999 1000 pTxWI->CFACK = CFACK; 1001 pTxWI->TS = InsTimestamp; 1002 pTxWI->AMPDU = AMPDU; 1003 pTxWI->ACK = Ack; 1004 pTxWI->txop = Txopmode; 1005 1006 pTxWI->NSEQ = NSeq; 1007 /* John tune the performace with Intel Client in 20 MHz performance */ 1008 BASize = pAd->CommonCfg.TxBASize; 1009 if (pAd->MACVersion == 0x28720200) { 1010 if (BASize > 13) 1011 BASize = 13; 1012 } else { 1013 if (BASize > 7) 1014 BASize = 7; 1015 } 1016 pTxWI->BAWinSize = BASize; 1017 pTxWI->ShortGI = pTransmit->field.ShortGI; 1018 pTxWI->STBC = pTransmit->field.STBC; 1019 1020 pTxWI->WirelessCliID = WCID; 1021 pTxWI->MPDUtotalByteCount = Length; 1022 pTxWI->PacketId = PID; 1023 1024 /* If CCK or OFDM, BW must be 20 */ 1025 pTxWI->BW = 1026 (pTransmit->field.MODE <= 1027 MODE_OFDM) ? (BW_20) : (pTransmit->field.BW); 1028 1029 pTxWI->MCS = pTransmit->field.MCS; 1030 pTxWI->PHYMODE = pTransmit->field.MODE; 1031 pTxWI->CFACK = CfAck; 1032 1033 if (pMac) { 1034 if (pAd->CommonCfg.bMIMOPSEnable) { 1035 if ((pMac->MmpsMode == MMPS_DYNAMIC) 1036 && (pTransmit->field.MCS > 7)) { 1037 /* Dynamic MIMO Power Save Mode */ 1038 pTxWI->MIMOps = 1; 1039 } else if (pMac->MmpsMode == MMPS_STATIC) { 1040 /* Static MIMO Power Save Mode */ 1041 if (pTransmit->field.MODE >= MODE_HTMIX 1042 && pTransmit->field.MCS > 7) { 1043 pTxWI->MCS = 7; 1044 pTxWI->MIMOps = 0; 1045 } 1046 } 1047 } 1048 /*pTxWI->MIMOps = (pMac->PsMode == PWR_MMPS)? 1:0; */ 1049 if (pMac->bIAmBadAtheros 1050 && (pMac->WepStatus != Ndis802_11WEPDisabled)) { 1051 pTxWI->MpduDensity = 7; 1052 } else { 1053 pTxWI->MpduDensity = pMac->MpduDensity; 1054 } 1055 } 1056 1057 pTxWI->PacketId = pTxWI->MCS; 1058 NdisMoveMemory(pOutTxWI, &TxWI, sizeof(struct rt_txwi)); 1059} 1060 1061void RTMPWriteTxWI_Data(struct rt_rtmp_adapter *pAd, 1062 struct rt_txwi * pTxWI, struct rt_tx_blk *pTxBlk) 1063{ 1064 HTTRANSMIT_SETTING *pTransmit; 1065 struct rt_mac_table_entry *pMacEntry; 1066 u8 BASize; 1067 1068 ASSERT(pTxWI); 1069 1070 pTransmit = pTxBlk->pTransmit; 1071 pMacEntry = pTxBlk->pMacEntry; 1072 1073 /* */ 1074 /* Always use Long preamble before verifiation short preamble functionality works well. */ 1075 /* Todo: remove the following line if short preamble functionality works */ 1076 /* */ 1077 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED); 1078 NdisZeroMemory(pTxWI, TXWI_SIZE); 1079 1080 pTxWI->FRAG = TX_BLK_TEST_FLAG(pTxBlk, fTX_bAllowFrag); 1081 pTxWI->ACK = TX_BLK_TEST_FLAG(pTxBlk, fTX_bAckRequired); 1082 pTxWI->txop = pTxBlk->FrameGap; 1083 1084 pTxWI->WirelessCliID = pTxBlk->Wcid; 1085 1086 pTxWI->MPDUtotalByteCount = pTxBlk->MpduHeaderLen + pTxBlk->SrcBufLen; 1087 pTxWI->CFACK = TX_BLK_TEST_FLAG(pTxBlk, fTX_bPiggyBack); 1088 1089 /* If CCK or OFDM, BW must be 20 */ 1090 pTxWI->BW = 1091 (pTransmit->field.MODE <= 1092 MODE_OFDM) ? (BW_20) : (pTransmit->field.BW); 1093 pTxWI->AMPDU = ((pTxBlk->TxFrameType == TX_AMPDU_FRAME) ? TRUE : FALSE); 1094 1095 /* John tune the performace with Intel Client in 20 MHz performance */ 1096 BASize = pAd->CommonCfg.TxBASize; 1097 if ((pTxBlk->TxFrameType == TX_AMPDU_FRAME) && (pMacEntry)) { 1098 u8 RABAOriIdx = 0; /*The RA's BA Originator table index. */ 1099 1100 RABAOriIdx = 1101 pTxBlk->pMacEntry->BAOriWcidArray[pTxBlk->UserPriority]; 1102 BASize = pAd->BATable.BAOriEntry[RABAOriIdx].BAWinSize; 1103 } 1104 1105 pTxWI->TxBF = pTransmit->field.TxBF; 1106 pTxWI->BAWinSize = BASize; 1107 pTxWI->ShortGI = pTransmit->field.ShortGI; 1108 pTxWI->STBC = pTransmit->field.STBC; 1109 1110 pTxWI->MCS = pTransmit->field.MCS; 1111 pTxWI->PHYMODE = pTransmit->field.MODE; 1112 1113 if (pMacEntry) { 1114 if ((pMacEntry->MmpsMode == MMPS_DYNAMIC) 1115 && (pTransmit->field.MCS > 7)) { 1116 /* Dynamic MIMO Power Save Mode */ 1117 pTxWI->MIMOps = 1; 1118 } else if (pMacEntry->MmpsMode == MMPS_STATIC) { 1119 /* Static MIMO Power Save Mode */ 1120 if (pTransmit->field.MODE >= MODE_HTMIX 1121 && pTransmit->field.MCS > 7) { 1122 pTxWI->MCS = 7; 1123 pTxWI->MIMOps = 0; 1124 } 1125 } 1126 1127 if (pMacEntry->bIAmBadAtheros 1128 && (pMacEntry->WepStatus != Ndis802_11WEPDisabled)) { 1129 pTxWI->MpduDensity = 7; 1130 } else { 1131 pTxWI->MpduDensity = pMacEntry->MpduDensity; 1132 } 1133 } 1134 1135 /* for rate adapation */ 1136 pTxWI->PacketId = pTxWI->MCS; 1137} 1138 1139void RTMPWriteTxWI_Cache(struct rt_rtmp_adapter *pAd, 1140 struct rt_txwi * pTxWI, struct rt_tx_blk *pTxBlk) 1141{ 1142 PHTTRANSMIT_SETTING /*pTxHTPhyMode, */ pTransmit; 1143 struct rt_mac_table_entry *pMacEntry; 1144 1145 /* */ 1146 /* update TXWI */ 1147 /* */ 1148 pMacEntry = pTxBlk->pMacEntry; 1149 pTransmit = pTxBlk->pTransmit; 1150 1151 /*if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_TX_RATE_SWITCH_ENABLED)) */ 1152 /*if (RTMPCheckEntryEnableAutoRateSwitch(pAd, pMacEntry)) */ 1153 /*if (TX_BLK_TEST_FLAG(pTxBlk, fTX_AutoRateSwitch)) */ 1154 if (pMacEntry->bAutoTxRateSwitch) { 1155 pTxWI->txop = IFS_HTTXOP; 1156 1157 /* If CCK or OFDM, BW must be 20 */ 1158 pTxWI->BW = 1159 (pTransmit->field.MODE <= 1160 MODE_OFDM) ? (BW_20) : (pTransmit->field.BW); 1161 pTxWI->ShortGI = pTransmit->field.ShortGI; 1162 pTxWI->STBC = pTransmit->field.STBC; 1163 1164 pTxWI->MCS = pTransmit->field.MCS; 1165 pTxWI->PHYMODE = pTransmit->field.MODE; 1166 1167 /* set PID for TxRateSwitching */ 1168 pTxWI->PacketId = pTransmit->field.MCS; 1169 } 1170 1171 pTxWI->AMPDU = ((pMacEntry->NoBADataCountDown == 0) ? TRUE : FALSE); 1172 pTxWI->MIMOps = 0; 1173 1174 if (pAd->CommonCfg.bMIMOPSEnable) { 1175 /* MIMO Power Save Mode */ 1176 if ((pMacEntry->MmpsMode == MMPS_DYNAMIC) 1177 && (pTransmit->field.MCS > 7)) { 1178 /* Dynamic MIMO Power Save Mode */ 1179 pTxWI->MIMOps = 1; 1180 } else if (pMacEntry->MmpsMode == MMPS_STATIC) { 1181 /* Static MIMO Power Save Mode */ 1182 if ((pTransmit->field.MODE >= MODE_HTMIX) 1183 && (pTransmit->field.MCS > 7)) { 1184 pTxWI->MCS = 7; 1185 pTxWI->MIMOps = 0; 1186 } 1187 } 1188 } 1189 1190 pTxWI->MPDUtotalByteCount = pTxBlk->MpduHeaderLen + pTxBlk->SrcBufLen; 1191 1192} 1193 1194/* should be called only when - */ 1195/* 1. MEADIA_CONNECTED */ 1196/* 2. AGGREGATION_IN_USED */ 1197/* 3. Fragmentation not in used */ 1198/* 4. either no previous frame (pPrevAddr1=NULL) .OR. previoud frame is aggregatible */ 1199BOOLEAN TxFrameIsAggregatible(struct rt_rtmp_adapter *pAd, 1200 u8 *pPrevAddr1, u8 *p8023hdr) 1201{ 1202 1203 /* can't aggregate EAPOL (802.1x) frame */ 1204 if ((p8023hdr[12] == 0x88) && (p8023hdr[13] == 0x8e)) 1205 return FALSE; 1206 1207 /* can't aggregate multicast/broadcast frame */ 1208 if (p8023hdr[0] & 0x01) 1209 return FALSE; 1210 1211 if (INFRA_ON(pAd)) /* must be unicast to AP */ 1212 return TRUE; 1213 else if ((pPrevAddr1 == NULL) || MAC_ADDR_EQUAL(pPrevAddr1, p8023hdr)) /* unicast to same STA */ 1214 return TRUE; 1215 else 1216 return FALSE; 1217} 1218 1219/* 1220 ======================================================================== 1221 1222 Routine Description: 1223 Check the MSDU Aggregation policy 1224 1.HT aggregation is A-MSDU 1225 2.legaacy rate aggregation is software aggregation by Ralink. 1226 1227 Arguments: 1228 1229 Return Value: 1230 1231 Note: 1232 1233 ======================================================================== 1234*/ 1235BOOLEAN PeerIsAggreOn(struct rt_rtmp_adapter *pAd, 1236 unsigned long TxRate, struct rt_mac_table_entry *pMacEntry) 1237{ 1238 unsigned long AFlags = 1239 (fCLIENT_STATUS_AMSDU_INUSED | fCLIENT_STATUS_AGGREGATION_CAPABLE); 1240 1241 if (pMacEntry != NULL && CLIENT_STATUS_TEST_FLAG(pMacEntry, AFlags)) { 1242 if (pMacEntry->HTPhyMode.field.MODE >= MODE_HTMIX) { 1243 return TRUE; 1244 } 1245#ifdef AGGREGATION_SUPPORT 1246 if (TxRate >= RATE_6 && pAd->CommonCfg.bAggregationCapable && (!(OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_WMM_INUSED) && CLIENT_STATUS_TEST_FLAG(pMacEntry, fCLIENT_STATUS_WMM_CAPABLE)))) { /* legacy Ralink Aggregation support */ 1247 return TRUE; 1248 } 1249#endif /* AGGREGATION_SUPPORT // */ 1250 } 1251 1252 return FALSE; 1253 1254} 1255 1256/* 1257 ======================================================================== 1258 1259 Routine Description: 1260 Check and fine the packet waiting in SW queue with highest priority 1261 1262 Arguments: 1263 pAd Pointer to our adapter 1264 1265 Return Value: 1266 pQueue Pointer to Waiting Queue 1267 1268 IRQL = DISPATCH_LEVEL 1269 1270 Note: 1271 1272 ======================================================================== 1273*/ 1274struct rt_queue_header *RTMPCheckTxSwQueue(struct rt_rtmp_adapter *pAd, u8 *pQueIdx) 1275{ 1276 1277 unsigned long Number; 1278 /* 2004-11-15 to be removed. test aggregation only */ 1279/* if ((OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_AGGREGATION_INUSED)) && (*pNumber < 2)) */ 1280/* return NULL; */ 1281 1282 Number = pAd->TxSwQueue[QID_AC_BK].Number 1283 + pAd->TxSwQueue[QID_AC_BE].Number 1284 + pAd->TxSwQueue[QID_AC_VI].Number 1285 + pAd->TxSwQueue[QID_AC_VO].Number; 1286 1287 if (pAd->TxSwQueue[QID_AC_VO].Head != NULL) { 1288 *pQueIdx = QID_AC_VO; 1289 return (&pAd->TxSwQueue[QID_AC_VO]); 1290 } else if (pAd->TxSwQueue[QID_AC_VI].Head != NULL) { 1291 *pQueIdx = QID_AC_VI; 1292 return (&pAd->TxSwQueue[QID_AC_VI]); 1293 } else if (pAd->TxSwQueue[QID_AC_BE].Head != NULL) { 1294 *pQueIdx = QID_AC_BE; 1295 return (&pAd->TxSwQueue[QID_AC_BE]); 1296 } else if (pAd->TxSwQueue[QID_AC_BK].Head != NULL) { 1297 *pQueIdx = QID_AC_BK; 1298 return (&pAd->TxSwQueue[QID_AC_BK]); 1299 } 1300 /* No packet pending in Tx Sw queue */ 1301 *pQueIdx = QID_AC_BK; 1302 1303 return (NULL); 1304} 1305 1306/* 1307 ======================================================================== 1308 1309 Routine Description: 1310 Suspend MSDU transmission 1311 1312 Arguments: 1313 pAd Pointer to our adapter 1314 1315 Return Value: 1316 None 1317 1318 Note: 1319 1320 ======================================================================== 1321*/ 1322void RTMPSuspendMsduTransmission(struct rt_rtmp_adapter *pAd) 1323{ 1324 DBGPRINT(RT_DEBUG_TRACE, ("SCANNING, suspend MSDU transmission ...\n")); 1325 1326 /* */ 1327 /* Before BSS_SCAN_IN_PROGRESS, we need to keep Current R66 value and */ 1328 /* use Lowbound as R66 value on ScanNextChannel(...) */ 1329 /* */ 1330 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R66, 1331 &pAd->BbpTuning.R66CurrentValue); 1332 1333 /* set BBP_R66 to 0x30/0x40 when scanning (AsicSwitchChannel will set R66 according to channel when scanning) */ 1334 /*RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R66, (0x26 + GET_LNA_GAIN(pAd))); */ 1335 RTMPSetAGCInitValue(pAd, BW_20); 1336 1337 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS); 1338 /*RTMP_IO_WRITE32(pAd, TX_CNTL_CSR, 0x000f0000); // abort all TX rings */ 1339} 1340 1341/* 1342 ======================================================================== 1343 1344 Routine Description: 1345 Resume MSDU transmission 1346 1347 Arguments: 1348 pAd Pointer to our adapter 1349 1350 Return Value: 1351 None 1352 1353 IRQL = DISPATCH_LEVEL 1354 1355 Note: 1356 1357 ======================================================================== 1358*/ 1359void RTMPResumeMsduTransmission(struct rt_rtmp_adapter *pAd) 1360{ 1361/* u8 IrqState; */ 1362 1363 DBGPRINT(RT_DEBUG_TRACE, ("SCAN done, resume MSDU transmission ...\n")); 1364 1365 /* After finish BSS_SCAN_IN_PROGRESS, we need to restore Current R66 value */ 1366 /* R66 should not be 0 */ 1367 if (pAd->BbpTuning.R66CurrentValue == 0) { 1368 pAd->BbpTuning.R66CurrentValue = 0x38; 1369 DBGPRINT_ERR(("RTMPResumeMsduTransmission, R66CurrentValue=0...\n")); 1370 } 1371 1372 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R66, 1373 pAd->BbpTuning.R66CurrentValue); 1374 1375 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS); 1376/* sample, for IRQ LOCK to SEM LOCK */ 1377/* IrqState = pAd->irq_disabled; */ 1378/* if (IrqState) */ 1379/* RTMPDeQueuePacket(pAd, TRUE, NUM_OF_TX_RING, MAX_TX_PROCESS); */ 1380/* else */ 1381 RTMPDeQueuePacket(pAd, FALSE, NUM_OF_TX_RING, MAX_TX_PROCESS); 1382} 1383 1384u32 deaggregate_AMSDU_announce(struct rt_rtmp_adapter *pAd, 1385 void *pPacket, 1386 u8 *pData, unsigned long DataSize) 1387{ 1388 u16 PayloadSize; 1389 u16 SubFrameSize; 1390 struct rt_header_802_3 * pAMSDUsubheader; 1391 u32 nMSDU; 1392 u8 Header802_3[14]; 1393 1394 u8 *pPayload, *pDA, *pSA, *pRemovedLLCSNAP; 1395 void *pClonePacket; 1396 1397 nMSDU = 0; 1398 1399 while (DataSize > LENGTH_802_3) { 1400 1401 nMSDU++; 1402 1403 /*hex_dump("subheader", pData, 64); */ 1404 pAMSDUsubheader = (struct rt_header_802_3 *) pData; 1405 /*pData += LENGTH_802_3; */ 1406 PayloadSize = 1407 pAMSDUsubheader->Octet[1] + 1408 (pAMSDUsubheader->Octet[0] << 8); 1409 SubFrameSize = PayloadSize + LENGTH_802_3; 1410 1411 if ((DataSize < SubFrameSize) || (PayloadSize > 1518)) { 1412 break; 1413 } 1414 /*DBGPRINT(RT_DEBUG_TRACE,("%d subframe: Size = %d\n", nMSDU, PayloadSize)); */ 1415 1416 pPayload = pData + LENGTH_802_3; 1417 pDA = pData; 1418 pSA = pData + MAC_ADDR_LEN; 1419 1420 /* convert to 802.3 header */ 1421 CONVERT_TO_802_3(Header802_3, pDA, pSA, pPayload, PayloadSize, 1422 pRemovedLLCSNAP); 1423 1424 if ((Header802_3[12] == 0x88) && (Header802_3[13] == 0x8E)) { 1425 /* avoid local heap overflow, use dyanamic allocation */ 1426 struct rt_mlme_queue_elem *Elem = 1427 kmalloc(sizeof(struct rt_mlme_queue_elem), 1428 MEM_ALLOC_FLAG); 1429 if (Elem != NULL) { 1430 memmove(Elem->Msg + 1431 (LENGTH_802_11 + LENGTH_802_1_H), 1432 pPayload, PayloadSize); 1433 Elem->MsgLen = 1434 LENGTH_802_11 + LENGTH_802_1_H + 1435 PayloadSize; 1436 /*WpaEAPOLKeyAction(pAd, Elem); */ 1437 REPORT_MGMT_FRAME_TO_MLME(pAd, BSSID_WCID, 1438 Elem->Msg, 1439 Elem->MsgLen, 0, 0, 0, 1440 0); 1441 kfree(Elem); 1442 } 1443 } 1444 1445 { 1446 if (pRemovedLLCSNAP) { 1447 pPayload -= LENGTH_802_3; 1448 PayloadSize += LENGTH_802_3; 1449 NdisMoveMemory(pPayload, &Header802_3[0], 1450 LENGTH_802_3); 1451 } 1452 } 1453 1454 pClonePacket = ClonePacket(pAd, pPacket, pPayload, PayloadSize); 1455 if (pClonePacket) { 1456 ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pClonePacket, 1457 RTMP_GET_PACKET_IF 1458 (pPacket)); 1459 } 1460 1461 /* A-MSDU has padding to multiple of 4 including subframe header. */ 1462 /* align SubFrameSize up to multiple of 4 */ 1463 SubFrameSize = (SubFrameSize + 3) & (~0x3); 1464 1465 if (SubFrameSize > 1528 || SubFrameSize < 32) { 1466 break; 1467 } 1468 1469 if (DataSize > SubFrameSize) { 1470 pData += SubFrameSize; 1471 DataSize -= SubFrameSize; 1472 } else { 1473 /* end of A-MSDU */ 1474 DataSize = 0; 1475 } 1476 } 1477 1478 /* finally release original rx packet */ 1479 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_SUCCESS); 1480 1481 return nMSDU; 1482} 1483 1484u32 BA_Reorder_AMSDU_Annnounce(struct rt_rtmp_adapter *pAd, void *pPacket) 1485{ 1486 u8 *pData; 1487 u16 DataSize; 1488 u32 nMSDU = 0; 1489 1490 pData = (u8 *)GET_OS_PKT_DATAPTR(pPacket); 1491 DataSize = (u16)GET_OS_PKT_LEN(pPacket); 1492 1493 nMSDU = deaggregate_AMSDU_announce(pAd, pPacket, pData, DataSize); 1494 1495 return nMSDU; 1496} 1497 1498/* 1499 ========================================================================== 1500 Description: 1501 Look up the MAC address in the MAC table. Return NULL if not found. 1502 Return: 1503 pEntry - pointer to the MAC entry; NULL is not found 1504 ========================================================================== 1505*/ 1506struct rt_mac_table_entry *MacTableLookup(struct rt_rtmp_adapter *pAd, u8 *pAddr) 1507{ 1508 unsigned long HashIdx; 1509 struct rt_mac_table_entry *pEntry = NULL; 1510 1511 HashIdx = MAC_ADDR_HASH_INDEX(pAddr); 1512 pEntry = pAd->MacTab.Hash[HashIdx]; 1513 1514 while (pEntry 1515 && (pEntry->ValidAsCLI || pEntry->ValidAsWDS 1516 || pEntry->ValidAsApCli || pEntry->ValidAsMesh)) { 1517 if (MAC_ADDR_EQUAL(pEntry->Addr, pAddr)) { 1518 break; 1519 } else 1520 pEntry = pEntry->pNext; 1521 } 1522 1523 return pEntry; 1524} 1525 1526struct rt_mac_table_entry *MacTableInsertEntry(struct rt_rtmp_adapter *pAd, 1527 u8 *pAddr, 1528 u8 apidx, IN BOOLEAN CleanAll) 1529{ 1530 u8 HashIdx; 1531 int i, FirstWcid; 1532 struct rt_mac_table_entry *pEntry = NULL, *pCurrEntry; 1533/* u16 offset; */ 1534/* unsigned long addr; */ 1535 1536 /* if FULL, return */ 1537 if (pAd->MacTab.Size >= MAX_LEN_OF_MAC_TABLE) 1538 return NULL; 1539 1540 FirstWcid = 1; 1541 1542 if (pAd->StaCfg.BssType == BSS_INFRA) 1543 FirstWcid = 2; 1544 1545 /* allocate one MAC entry */ 1546 NdisAcquireSpinLock(&pAd->MacTabLock); 1547 for (i = FirstWcid; i < MAX_LEN_OF_MAC_TABLE; i++) /* skip entry#0 so that "entry index == AID" for fast lookup */ 1548 { 1549 /* pick up the first available vacancy */ 1550 if ((pAd->MacTab.Content[i].ValidAsCLI == FALSE) && 1551 (pAd->MacTab.Content[i].ValidAsWDS == FALSE) && 1552 (pAd->MacTab.Content[i].ValidAsApCli == FALSE) && 1553 (pAd->MacTab.Content[i].ValidAsMesh == FALSE) 1554 ) { 1555 pEntry = &pAd->MacTab.Content[i]; 1556 if (CleanAll == TRUE) { 1557 pEntry->MaxSupportedRate = RATE_11; 1558 pEntry->CurrTxRate = RATE_11; 1559 NdisZeroMemory(pEntry, sizeof(struct rt_mac_table_entry)); 1560 pEntry->PairwiseKey.KeyLen = 0; 1561 pEntry->PairwiseKey.CipherAlg = CIPHER_NONE; 1562 } 1563 { 1564 { 1565 pEntry->ValidAsCLI = TRUE; 1566 pEntry->ValidAsWDS = FALSE; 1567 pEntry->ValidAsApCli = FALSE; 1568 pEntry->ValidAsMesh = FALSE; 1569 pEntry->ValidAsDls = FALSE; 1570 } 1571 } 1572 1573 pEntry->bIAmBadAtheros = FALSE; 1574 pEntry->pAd = pAd; 1575 pEntry->CMTimerRunning = FALSE; 1576 pEntry->EnqueueEapolStartTimerRunning = 1577 EAPOL_START_DISABLE; 1578 pEntry->RSNIE_Len = 0; 1579 NdisZeroMemory(pEntry->R_Counter, 1580 sizeof(pEntry->R_Counter)); 1581 pEntry->ReTryCounter = PEER_MSG1_RETRY_TIMER_CTR; 1582 1583 if (pEntry->ValidAsMesh) 1584 pEntry->apidx = 1585 (apidx - MIN_NET_DEVICE_FOR_MESH); 1586 else if (pEntry->ValidAsApCli) 1587 pEntry->apidx = 1588 (apidx - MIN_NET_DEVICE_FOR_APCLI); 1589 else if (pEntry->ValidAsWDS) 1590 pEntry->apidx = 1591 (apidx - MIN_NET_DEVICE_FOR_WDS); 1592 else 1593 pEntry->apidx = apidx; 1594 1595 { 1596 { 1597 pEntry->AuthMode = pAd->StaCfg.AuthMode; 1598 pEntry->WepStatus = 1599 pAd->StaCfg.WepStatus; 1600 pEntry->PrivacyFilter = 1601 Ndis802_11PrivFilterAcceptAll; 1602#ifdef RTMP_MAC_PCI 1603 AsicRemovePairwiseKeyEntry(pAd, 1604 pEntry-> 1605 apidx, 1606 (u8)i); 1607#endif /* RTMP_MAC_PCI // */ 1608 } 1609 } 1610 1611 pEntry->GTKState = REKEY_NEGOTIATING; 1612 pEntry->PairwiseKey.KeyLen = 0; 1613 pEntry->PairwiseKey.CipherAlg = CIPHER_NONE; 1614 pEntry->PortSecured = WPA_802_1X_PORT_NOT_SECURED; 1615 1616 pEntry->PMKID_CacheIdx = ENTRY_NOT_FOUND; 1617 COPY_MAC_ADDR(pEntry->Addr, pAddr); 1618 pEntry->Sst = SST_NOT_AUTH; 1619 pEntry->AuthState = AS_NOT_AUTH; 1620 pEntry->Aid = (u16)i; /*0; */ 1621 pEntry->CapabilityInfo = 0; 1622 pEntry->PsMode = PWR_ACTIVE; 1623 pEntry->PsQIdleCount = 0; 1624 pEntry->NoDataIdleCount = 0; 1625 pEntry->AssocDeadLine = MAC_TABLE_ASSOC_TIMEOUT; 1626 pEntry->ContinueTxFailCnt = 0; 1627 InitializeQueueHeader(&pEntry->PsQueue); 1628 1629 pAd->MacTab.Size++; 1630 /* Add this entry into ASIC RX WCID search table */ 1631 RTMP_STA_ENTRY_ADD(pAd, pEntry); 1632 1633 DBGPRINT(RT_DEBUG_TRACE, 1634 ("MacTableInsertEntry - allocate entry #%d, Total= %d\n", 1635 i, pAd->MacTab.Size)); 1636 break; 1637 } 1638 } 1639 1640 /* add this MAC entry into HASH table */ 1641 if (pEntry) { 1642 HashIdx = MAC_ADDR_HASH_INDEX(pAddr); 1643 if (pAd->MacTab.Hash[HashIdx] == NULL) { 1644 pAd->MacTab.Hash[HashIdx] = pEntry; 1645 } else { 1646 pCurrEntry = pAd->MacTab.Hash[HashIdx]; 1647 while (pCurrEntry->pNext != NULL) 1648 pCurrEntry = pCurrEntry->pNext; 1649 pCurrEntry->pNext = pEntry; 1650 } 1651 } 1652 1653 NdisReleaseSpinLock(&pAd->MacTabLock); 1654 return pEntry; 1655} 1656 1657/* 1658 ========================================================================== 1659 Description: 1660 Delete a specified client from MAC table 1661 ========================================================================== 1662 */ 1663BOOLEAN MacTableDeleteEntry(struct rt_rtmp_adapter *pAd, 1664 u16 wcid, u8 *pAddr) 1665{ 1666 u16 HashIdx; 1667 struct rt_mac_table_entry *pEntry, *pPrevEntry, *pProbeEntry; 1668 BOOLEAN Cancelled; 1669 /*u16 offset; // unused variable */ 1670 /*u8 j; // unused variable */ 1671 1672 if (wcid >= MAX_LEN_OF_MAC_TABLE) 1673 return FALSE; 1674 1675 NdisAcquireSpinLock(&pAd->MacTabLock); 1676 1677 HashIdx = MAC_ADDR_HASH_INDEX(pAddr); 1678 /*pEntry = pAd->MacTab.Hash[HashIdx]; */ 1679 pEntry = &pAd->MacTab.Content[wcid]; 1680 1681 if (pEntry 1682 && (pEntry->ValidAsCLI || pEntry->ValidAsApCli || pEntry->ValidAsWDS 1683 || pEntry->ValidAsMesh)) { 1684 if (MAC_ADDR_EQUAL(pEntry->Addr, pAddr)) { 1685 1686 /* Delete this entry from ASIC on-chip WCID Table */ 1687 RTMP_STA_ENTRY_MAC_RESET(pAd, wcid); 1688 1689 /* free resources of BA */ 1690 BASessionTearDownALL(pAd, pEntry->Aid); 1691 1692 pPrevEntry = NULL; 1693 pProbeEntry = pAd->MacTab.Hash[HashIdx]; 1694 ASSERT(pProbeEntry); 1695 1696 /* update Hash list */ 1697 do { 1698 if (pProbeEntry == pEntry) { 1699 if (pPrevEntry == NULL) { 1700 pAd->MacTab.Hash[HashIdx] = 1701 pEntry->pNext; 1702 } else { 1703 pPrevEntry->pNext = 1704 pEntry->pNext; 1705 } 1706 break; 1707 } 1708 1709 pPrevEntry = pProbeEntry; 1710 pProbeEntry = pProbeEntry->pNext; 1711 } while (pProbeEntry); 1712 1713 /* not found ! */ 1714 ASSERT(pProbeEntry != NULL); 1715 1716 RTMP_STA_ENTRY_KEY_DEL(pAd, BSS0, wcid); 1717 1718 if (pEntry->EnqueueEapolStartTimerRunning != 1719 EAPOL_START_DISABLE) { 1720 RTMPCancelTimer(&pEntry-> 1721 EnqueueStartForPSKTimer, 1722 &Cancelled); 1723 pEntry->EnqueueEapolStartTimerRunning = 1724 EAPOL_START_DISABLE; 1725 } 1726 1727 NdisZeroMemory(pEntry, sizeof(struct rt_mac_table_entry)); 1728 pAd->MacTab.Size--; 1729 DBGPRINT(RT_DEBUG_TRACE, 1730 ("MacTableDeleteEntry1 - Total= %d\n", 1731 pAd->MacTab.Size)); 1732 } else { 1733 DBGPRINT(RT_DEBUG_OFF, 1734 ("\n%s: Impossible Wcid = %d !\n", 1735 __func__, wcid)); 1736 } 1737 } 1738 1739 NdisReleaseSpinLock(&pAd->MacTabLock); 1740 1741 /*Reset operating mode when no Sta. */ 1742 if (pAd->MacTab.Size == 0) { 1743 pAd->CommonCfg.AddHTInfo.AddHtInfo2.OperaionMode = 0; 1744 RTMP_UPDATE_PROTECT(pAd); /* edit by johnli, fix "in_interrupt" error when call "MacTableDeleteEntry" in Rx tasklet */ 1745 } 1746 1747 return TRUE; 1748} 1749 1750/* 1751 ========================================================================== 1752 Description: 1753 This routine reset the entire MAC table. All packets pending in 1754 the power-saving queues are freed here. 1755 ========================================================================== 1756 */ 1757void MacTableReset(struct rt_rtmp_adapter *pAd) 1758{ 1759 int i; 1760 1761 DBGPRINT(RT_DEBUG_TRACE, ("MacTableReset\n")); 1762 /*NdisAcquireSpinLock(&pAd->MacTabLock); */ 1763 1764 for (i = 1; i < MAX_LEN_OF_MAC_TABLE; i++) { 1765#ifdef RTMP_MAC_PCI 1766 RTMP_STA_ENTRY_MAC_RESET(pAd, i); 1767#endif /* RTMP_MAC_PCI // */ 1768 if (pAd->MacTab.Content[i].ValidAsCLI == TRUE) { 1769 1770 /* free resources of BA */ 1771 BASessionTearDownALL(pAd, i); 1772 1773 pAd->MacTab.Content[i].ValidAsCLI = FALSE; 1774 1775#ifdef RTMP_MAC_USB 1776 NdisZeroMemory(pAd->MacTab.Content[i].Addr, 6); 1777 RTMP_STA_ENTRY_MAC_RESET(pAd, i); 1778#endif /* RTMP_MAC_USB // */ 1779 1780 /*AsicDelWcidTab(pAd, i); */ 1781 } 1782 } 1783 1784 return; 1785} 1786 1787/* 1788 ========================================================================== 1789 Description: 1790 1791 IRQL = DISPATCH_LEVEL 1792 1793 ========================================================================== 1794*/ 1795void AssocParmFill(struct rt_rtmp_adapter *pAd, 1796 struct rt_mlme_assoc_req *AssocReq, 1797 u8 *pAddr, 1798 u16 CapabilityInfo, 1799 unsigned long Timeout, u16 ListenIntv) 1800{ 1801 COPY_MAC_ADDR(AssocReq->Addr, pAddr); 1802 /* Add mask to support 802.11b mode only */ 1803 AssocReq->CapabilityInfo = CapabilityInfo & SUPPORTED_CAPABILITY_INFO; /* not cf-pollable, not cf-poll-request */ 1804 AssocReq->Timeout = Timeout; 1805 AssocReq->ListenIntv = ListenIntv; 1806} 1807 1808/* 1809 ========================================================================== 1810 Description: 1811 1812 IRQL = DISPATCH_LEVEL 1813 1814 ========================================================================== 1815*/ 1816void DisassocParmFill(struct rt_rtmp_adapter *pAd, 1817 struct rt_mlme_disassoc_req *DisassocReq, 1818 u8 *pAddr, u16 Reason) 1819{ 1820 COPY_MAC_ADDR(DisassocReq->Addr, pAddr); 1821 DisassocReq->Reason = Reason; 1822} 1823 1824/* 1825 ======================================================================== 1826 1827 Routine Description: 1828 Check the out going frame, if this is an DHCP or ARP datagram 1829 will be duplicate another frame at low data rate transmit. 1830 1831 Arguments: 1832 pAd Pointer to our adapter 1833 pPacket Pointer to outgoing Ndis frame 1834 1835 Return Value: 1836 TRUE To be duplicate at Low data rate transmit. (1mb) 1837 FALSE Do nothing. 1838 1839 IRQL = DISPATCH_LEVEL 1840 1841 Note: 1842 1843 MAC header + IP Header + UDP Header 1844 14 Bytes 20 Bytes 1845 1846 UDP Header 1847 00|01|02|03|04|05|06|07|08|09|10|11|12|13|14|15| 1848 Source Port 1849 16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31| 1850 Destination Port 1851 1852 port 0x43 means Bootstrap Protocol, server. 1853 Port 0x44 means Bootstrap Protocol, client. 1854 1855 ======================================================================== 1856*/ 1857 1858BOOLEAN RTMPCheckDHCPFrame(struct rt_rtmp_adapter *pAd, void *pPacket) 1859{ 1860 struct rt_packet_info PacketInfo; 1861 unsigned long NumberOfBytesRead = 0; 1862 unsigned long CurrentOffset = 0; 1863 void *pVirtualAddress = NULL; 1864 u32 NdisBufferLength; 1865 u8 *pSrc; 1866 u16 Protocol; 1867 u8 ByteOffset36 = 0; 1868 u8 ByteOffset38 = 0; 1869 BOOLEAN ReadFirstParm = TRUE; 1870 1871 RTMP_QueryPacketInfo(pPacket, &PacketInfo, (u8 **) & pVirtualAddress, 1872 &NdisBufferLength); 1873 1874 NumberOfBytesRead += NdisBufferLength; 1875 pSrc = (u8 *)pVirtualAddress; 1876 Protocol = *(pSrc + 12) * 256 + *(pSrc + 13); 1877 1878 /* */ 1879 /* Check DHCP & BOOTP protocol */ 1880 /* */ 1881 while (NumberOfBytesRead <= PacketInfo.TotalPacketLength) { 1882 if ((NumberOfBytesRead >= 35) && (ReadFirstParm == TRUE)) { 1883 CurrentOffset = 1884 35 - (NumberOfBytesRead - NdisBufferLength); 1885 ByteOffset36 = *(pSrc + CurrentOffset); 1886 ReadFirstParm = FALSE; 1887 } 1888 1889 if (NumberOfBytesRead >= 37) { 1890 CurrentOffset = 1891 37 - (NumberOfBytesRead - NdisBufferLength); 1892 ByteOffset38 = *(pSrc + CurrentOffset); 1893 /*End of Read */ 1894 break; 1895 } 1896 return FALSE; 1897 } 1898 1899 /* Check for DHCP & BOOTP protocol */ 1900 if ((ByteOffset36 != 0x44) || (ByteOffset38 != 0x43)) { 1901 /* */ 1902 /* 2054 (hex 0806) for ARP datagrams */ 1903 /* if this packet is not ARP datagrams, then do nothing */ 1904 /* ARP datagrams will also be duplicate at 1mb broadcast frames */ 1905 /* */ 1906 if (Protocol != 0x0806) 1907 return FALSE; 1908 } 1909 1910 return TRUE; 1911} 1912 1913BOOLEAN RTMPCheckEtherType(struct rt_rtmp_adapter *pAd, void *pPacket) 1914{ 1915 u16 TypeLen; 1916 u8 Byte0, Byte1; 1917 u8 *pSrcBuf; 1918 u32 pktLen; 1919 u16 srcPort, dstPort; 1920 BOOLEAN status = TRUE; 1921 1922 pSrcBuf = GET_OS_PKT_DATAPTR(pPacket); 1923 pktLen = GET_OS_PKT_LEN(pPacket); 1924 1925 ASSERT(pSrcBuf); 1926 1927 RTMP_SET_PACKET_SPECIFIC(pPacket, 0); 1928 1929 /* get Ethernet protocol field */ 1930 TypeLen = (pSrcBuf[12] << 8) | pSrcBuf[13]; 1931 1932 pSrcBuf += LENGTH_802_3; /* Skip the Ethernet Header. */ 1933 1934 if (TypeLen <= 1500) { /* 802.3, 802.3 LLC */ 1935 /* 1936 DestMAC(6) + SrcMAC(6) + Lenght(2) + 1937 DSAP(1) + SSAP(1) + Control(1) + 1938 if the DSAP = 0xAA, SSAP=0xAA, Contorl = 0x03, it has a 5-bytes SNAP header. 1939 => + SNAP (5, OriginationID(3) + etherType(2)) 1940 */ 1941 if (pSrcBuf[0] == 0xAA && pSrcBuf[1] == 0xAA 1942 && pSrcBuf[2] == 0x03) { 1943 Sniff2BytesFromNdisBuffer((char *)pSrcBuf, 6, 1944 &Byte0, &Byte1); 1945 RTMP_SET_PACKET_LLCSNAP(pPacket, 1); 1946 TypeLen = (u16)((Byte0 << 8) + Byte1); 1947 pSrcBuf += 8; /* Skip this LLC/SNAP header */ 1948 } else { 1949 /*It just has 3-byte LLC header, maybe a legacy ether type frame. we didn't handle it. */ 1950 } 1951 } 1952 /* If it's a VLAN packet, get the real Type/Length field. */ 1953 if (TypeLen == 0x8100) { 1954 /* 0x8100 means VLAN packets */ 1955 1956 /* Dest. MAC Address (6-bytes) + 1957 Source MAC Address (6-bytes) + 1958 Length/Type = 802.1Q Tag Type (2-byte) + 1959 Tag Control Information (2-bytes) + 1960 Length / Type (2-bytes) + 1961 data payload (0-n bytes) + 1962 Pad (0-p bytes) + 1963 Frame Check Sequence (4-bytes) */ 1964 1965 RTMP_SET_PACKET_VLAN(pPacket, 1); 1966 Sniff2BytesFromNdisBuffer((char *)pSrcBuf, 2, &Byte0, 1967 &Byte1); 1968 TypeLen = (u16)((Byte0 << 8) + Byte1); 1969 1970 pSrcBuf += 4; /* Skip the VLAN Header. */ 1971 } 1972 1973 switch (TypeLen) { 1974 case 0x0800: 1975 { 1976 ASSERT((pktLen > 34)); 1977 if (*(pSrcBuf + 9) == 0x11) { /* udp packet */ 1978 ASSERT((pktLen > 34)); /* 14 for ethernet header, 20 for IP header */ 1979 1980 pSrcBuf += 20; /* Skip the IP header */ 1981 srcPort = 1982 OS_NTOHS(get_unaligned 1983 ((u16 *)(pSrcBuf))); 1984 dstPort = 1985 OS_NTOHS(get_unaligned 1986 ((u16 *)(pSrcBuf + 2))); 1987 1988 if ((srcPort == 0x44 && dstPort == 0x43) || (srcPort == 0x43 && dstPort == 0x44)) { /*It's a BOOTP/DHCP packet */ 1989 RTMP_SET_PACKET_DHCP(pPacket, 1); 1990 } 1991 } 1992 } 1993 break; 1994 case 0x0806: 1995 { 1996 /*ARP Packet. */ 1997 RTMP_SET_PACKET_DHCP(pPacket, 1); 1998 } 1999 break; 2000 case 0x888e: 2001 { 2002 /* EAPOL Packet. */ 2003 RTMP_SET_PACKET_EAPOL(pPacket, 1); 2004 } 2005 break; 2006 default: 2007 status = FALSE; 2008 break; 2009 } 2010 2011 return status; 2012 2013} 2014 2015void Update_Rssi_Sample(struct rt_rtmp_adapter *pAd, 2016 struct rt_rssi_sample *pRssi, struct rt_rxwi * pRxWI) 2017{ 2018 char rssi0 = pRxWI->RSSI0; 2019 char rssi1 = pRxWI->RSSI1; 2020 char rssi2 = pRxWI->RSSI2; 2021 2022 if (rssi0 != 0) { 2023 pRssi->LastRssi0 = ConvertToRssi(pAd, (char)rssi0, RSSI_0); 2024 pRssi->AvgRssi0X8 = 2025 (pRssi->AvgRssi0X8 - pRssi->AvgRssi0) + pRssi->LastRssi0; 2026 pRssi->AvgRssi0 = pRssi->AvgRssi0X8 >> 3; 2027 } 2028 2029 if (rssi1 != 0) { 2030 pRssi->LastRssi1 = ConvertToRssi(pAd, (char)rssi1, RSSI_1); 2031 pRssi->AvgRssi1X8 = 2032 (pRssi->AvgRssi1X8 - pRssi->AvgRssi1) + pRssi->LastRssi1; 2033 pRssi->AvgRssi1 = pRssi->AvgRssi1X8 >> 3; 2034 } 2035 2036 if (rssi2 != 0) { 2037 pRssi->LastRssi2 = ConvertToRssi(pAd, (char)rssi2, RSSI_2); 2038 pRssi->AvgRssi2X8 = 2039 (pRssi->AvgRssi2X8 - pRssi->AvgRssi2) + pRssi->LastRssi2; 2040 pRssi->AvgRssi2 = pRssi->AvgRssi2X8 >> 3; 2041 } 2042} 2043 2044/* Normal legacy Rx packet indication */ 2045void Indicate_Legacy_Packet(struct rt_rtmp_adapter *pAd, 2046 struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID) 2047{ 2048 void *pRxPacket = pRxBlk->pRxPacket; 2049 u8 Header802_3[LENGTH_802_3]; 2050 2051 /* 1. get 802.3 Header */ 2052 /* 2. remove LLC */ 2053 /* a. pointer pRxBlk->pData to payload */ 2054 /* b. modify pRxBlk->DataSize */ 2055 RTMP_802_11_REMOVE_LLC_AND_CONVERT_TO_802_3(pRxBlk, Header802_3); 2056 2057 if (pRxBlk->DataSize > MAX_RX_PKT_LEN) { 2058 2059 /* release packet */ 2060 RELEASE_NDIS_PACKET(pAd, pRxPacket, NDIS_STATUS_FAILURE); 2061 return; 2062 } 2063 2064 STATS_INC_RX_PACKETS(pAd, FromWhichBSSID); 2065 2066#ifdef RTMP_MAC_USB 2067 if (pAd->CommonCfg.bDisableReordering == 0) { 2068 struct rt_ba_rec_entry *pBAEntry; 2069 unsigned long Now32; 2070 u8 Wcid = pRxBlk->pRxWI->WirelessCliID; 2071 u8 TID = pRxBlk->pRxWI->TID; 2072 u16 Idx; 2073 2074#define REORDERING_PACKET_TIMEOUT ((100 * OS_HZ)/1000) /* system ticks -- 100 ms */ 2075 2076 if (Wcid < MAX_LEN_OF_MAC_TABLE) { 2077 Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID]; 2078 if (Idx != 0) { 2079 pBAEntry = &pAd->BATable.BARecEntry[Idx]; 2080 /* update last rx time */ 2081 NdisGetSystemUpTime(&Now32); 2082 if ((pBAEntry->list.qlen > 0) && 2083 RTMP_TIME_AFTER((unsigned long)Now32, 2084 (unsigned long)(pBAEntry-> 2085 LastIndSeqAtTimer 2086 + 2087 (REORDERING_PACKET_TIMEOUT))) 2088 ) { 2089 DBGPRINT(RT_DEBUG_OFF, 2090 ("Indicate_Legacy_Packet():flush reordering_timeout_mpdus! RxWI->Flags=%d, pRxWI.TID=%d, RxD->AMPDU=%d!\n", 2091 pRxBlk->Flags, 2092 pRxBlk->pRxWI->TID, 2093 pRxBlk->RxD.AMPDU)); 2094 hex_dump("Dump the legacy Packet:", 2095 GET_OS_PKT_DATAPTR(pRxBlk-> 2096 pRxPacket), 2097 64); 2098 ba_flush_reordering_timeout_mpdus(pAd, 2099 pBAEntry, 2100 Now32); 2101 } 2102 } 2103 } 2104 } 2105#endif /* RTMP_MAC_USB // */ 2106 2107 wlan_802_11_to_802_3_packet(pAd, pRxBlk, Header802_3, FromWhichBSSID); 2108 2109 /* */ 2110 /* pass this 802.3 packet to upper layer or forward this packet to WM directly */ 2111 /* */ 2112 ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pRxPacket, FromWhichBSSID); 2113} 2114 2115/* Normal, AMPDU or AMSDU */ 2116void CmmRxnonRalinkFrameIndicate(struct rt_rtmp_adapter *pAd, 2117 struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID) 2118{ 2119 if (RX_BLK_TEST_FLAG(pRxBlk, fRX_AMPDU) 2120 && (pAd->CommonCfg.bDisableReordering == 0)) { 2121 Indicate_AMPDU_Packet(pAd, pRxBlk, FromWhichBSSID); 2122 } else { 2123 if (RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU)) { 2124 /* handle A-MSDU */ 2125 Indicate_AMSDU_Packet(pAd, pRxBlk, FromWhichBSSID); 2126 } else { 2127 Indicate_Legacy_Packet(pAd, pRxBlk, FromWhichBSSID); 2128 } 2129 } 2130} 2131 2132void CmmRxRalinkFrameIndicate(struct rt_rtmp_adapter *pAd, 2133 struct rt_mac_table_entry *pEntry, 2134 struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID) 2135{ 2136 u8 Header802_3[LENGTH_802_3]; 2137 u16 Msdu2Size; 2138 u16 Payload1Size, Payload2Size; 2139 u8 *pData2; 2140 void *pPacket2 = NULL; 2141 2142 Msdu2Size = *(pRxBlk->pData) + (*(pRxBlk->pData + 1) << 8); 2143 2144 if ((Msdu2Size <= 1536) && (Msdu2Size < pRxBlk->DataSize)) { 2145 /* skip two byte MSDU2 len */ 2146 pRxBlk->pData += 2; 2147 pRxBlk->DataSize -= 2; 2148 } else { 2149 /* release packet */ 2150 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, 2151 NDIS_STATUS_FAILURE); 2152 return; 2153 } 2154 2155 /* get 802.3 Header and remove LLC */ 2156 RTMP_802_11_REMOVE_LLC_AND_CONVERT_TO_802_3(pRxBlk, Header802_3); 2157 2158 ASSERT(pRxBlk->pRxPacket); 2159 2160 /* Ralink Aggregation frame */ 2161 pAd->RalinkCounters.OneSecRxAggregationCount++; 2162 Payload1Size = pRxBlk->DataSize - Msdu2Size; 2163 Payload2Size = Msdu2Size - LENGTH_802_3; 2164 2165 pData2 = pRxBlk->pData + Payload1Size + LENGTH_802_3; 2166 2167 pPacket2 = 2168 duplicate_pkt(pAd, (pData2 - LENGTH_802_3), LENGTH_802_3, pData2, 2169 Payload2Size, FromWhichBSSID); 2170 2171 if (!pPacket2) { 2172 /* release packet */ 2173 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, 2174 NDIS_STATUS_FAILURE); 2175 return; 2176 } 2177 /* update payload size of 1st packet */ 2178 pRxBlk->DataSize = Payload1Size; 2179 wlan_802_11_to_802_3_packet(pAd, pRxBlk, Header802_3, FromWhichBSSID); 2180 2181 ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pRxBlk->pRxPacket, 2182 FromWhichBSSID); 2183 2184 if (pPacket2) { 2185 ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pPacket2, FromWhichBSSID); 2186 } 2187} 2188 2189#define RESET_FRAGFRAME(_fragFrame) \ 2190 { \ 2191 _fragFrame.RxSize = 0; \ 2192 _fragFrame.Sequence = 0; \ 2193 _fragFrame.LastFrag = 0; \ 2194 _fragFrame.Flags = 0; \ 2195 } 2196 2197void *RTMPDeFragmentDataFrame(struct rt_rtmp_adapter *pAd, struct rt_rx_blk *pRxBlk) 2198{ 2199 struct rt_header_802_11 * pHeader = pRxBlk->pHeader; 2200 void *pRxPacket = pRxBlk->pRxPacket; 2201 u8 *pData = pRxBlk->pData; 2202 u16 DataSize = pRxBlk->DataSize; 2203 void *pRetPacket = NULL; 2204 u8 *pFragBuffer = NULL; 2205 BOOLEAN bReassDone = FALSE; 2206 u8 HeaderRoom = 0; 2207 2208 ASSERT(pHeader); 2209 2210 HeaderRoom = pData - (u8 *) pHeader; 2211 2212 /* Re-assemble the fragmented packets */ 2213 if (pHeader->Frag == 0) /* Frag. Number is 0 : First frag or only one pkt */ 2214 { 2215 /* the first pkt of fragment, record it. */ 2216 if (pHeader->FC.MoreFrag) { 2217 ASSERT(pAd->FragFrame.pFragPacket); 2218 pFragBuffer = 2219 GET_OS_PKT_DATAPTR(pAd->FragFrame.pFragPacket); 2220 pAd->FragFrame.RxSize = DataSize + HeaderRoom; 2221 NdisMoveMemory(pFragBuffer, pHeader, 2222 pAd->FragFrame.RxSize); 2223 pAd->FragFrame.Sequence = pHeader->Sequence; 2224 pAd->FragFrame.LastFrag = pHeader->Frag; /* Should be 0 */ 2225 ASSERT(pAd->FragFrame.LastFrag == 0); 2226 goto done; /* end of processing this frame */ 2227 } 2228 } else /*Middle & End of fragment */ 2229 { 2230 if ((pHeader->Sequence != pAd->FragFrame.Sequence) || 2231 (pHeader->Frag != (pAd->FragFrame.LastFrag + 1))) { 2232 /* Fragment is not the same sequence or out of fragment number order */ 2233 /* Reset Fragment control blk */ 2234 RESET_FRAGFRAME(pAd->FragFrame); 2235 DBGPRINT(RT_DEBUG_ERROR, 2236 ("Fragment is not the same sequence or out of fragment number order.\n")); 2237 goto done; /* give up this frame */ 2238 } else if ((pAd->FragFrame.RxSize + DataSize) > MAX_FRAME_SIZE) { 2239 /* Fragment frame is too large, it exeeds the maximum frame size. */ 2240 /* Reset Fragment control blk */ 2241 RESET_FRAGFRAME(pAd->FragFrame); 2242 DBGPRINT(RT_DEBUG_ERROR, 2243 ("Fragment frame is too large, it exeeds the maximum frame size.\n")); 2244 goto done; /* give up this frame */ 2245 } 2246 /* */ 2247 /* Broadcom AP(BCM94704AGR) will send out LLC in fragment's packet, LLC only can accpet at first fragment. */ 2248 /* In this case, we will dropt it. */ 2249 /* */ 2250 if (NdisEqualMemory(pData, SNAP_802_1H, sizeof(SNAP_802_1H))) { 2251 DBGPRINT(RT_DEBUG_ERROR, 2252 ("Find another LLC at Middle or End fragment(SN=%d, Frag=%d)\n", 2253 pHeader->Sequence, pHeader->Frag)); 2254 goto done; /* give up this frame */ 2255 } 2256 2257 pFragBuffer = GET_OS_PKT_DATAPTR(pAd->FragFrame.pFragPacket); 2258 2259 /* concatenate this fragment into the re-assembly buffer */ 2260 NdisMoveMemory((pFragBuffer + pAd->FragFrame.RxSize), pData, 2261 DataSize); 2262 pAd->FragFrame.RxSize += DataSize; 2263 pAd->FragFrame.LastFrag = pHeader->Frag; /* Update fragment number */ 2264 2265 /* Last fragment */ 2266 if (pHeader->FC.MoreFrag == FALSE) { 2267 bReassDone = TRUE; 2268 } 2269 } 2270 2271done: 2272 /* always release rx fragmented packet */ 2273 RELEASE_NDIS_PACKET(pAd, pRxPacket, NDIS_STATUS_FAILURE); 2274 2275 /* return defragmented packet if packet is reassembled completely */ 2276 /* otherwise return NULL */ 2277 if (bReassDone) { 2278 void *pNewFragPacket; 2279 2280 /* allocate a new packet buffer for fragment */ 2281 pNewFragPacket = 2282 RTMP_AllocateFragPacketBuffer(pAd, RX_BUFFER_NORMSIZE); 2283 if (pNewFragPacket) { 2284 /* update RxBlk */ 2285 pRetPacket = pAd->FragFrame.pFragPacket; 2286 pAd->FragFrame.pFragPacket = pNewFragPacket; 2287 pRxBlk->pHeader = 2288 (struct rt_header_802_11 *) GET_OS_PKT_DATAPTR(pRetPacket); 2289 pRxBlk->pData = (u8 *) pRxBlk->pHeader + HeaderRoom; 2290 pRxBlk->DataSize = pAd->FragFrame.RxSize - HeaderRoom; 2291 pRxBlk->pRxPacket = pRetPacket; 2292 } else { 2293 RESET_FRAGFRAME(pAd->FragFrame); 2294 } 2295 } 2296 2297 return pRetPacket; 2298} 2299 2300void Indicate_AMSDU_Packet(struct rt_rtmp_adapter *pAd, 2301 struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID) 2302{ 2303 u32 nMSDU; 2304 2305 update_os_packet_info(pAd, pRxBlk, FromWhichBSSID); 2306 RTMP_SET_PACKET_IF(pRxBlk->pRxPacket, FromWhichBSSID); 2307 nMSDU = 2308 deaggregate_AMSDU_announce(pAd, pRxBlk->pRxPacket, pRxBlk->pData, 2309 pRxBlk->DataSize); 2310} 2311 2312void Indicate_EAPOL_Packet(struct rt_rtmp_adapter *pAd, 2313 struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID) 2314{ 2315 struct rt_mac_table_entry *pEntry = NULL; 2316 2317 { 2318 pEntry = &pAd->MacTab.Content[BSSID_WCID]; 2319 STARxEAPOLFrameIndicate(pAd, pEntry, pRxBlk, FromWhichBSSID); 2320 return; 2321 } 2322 2323 if (pEntry == NULL) { 2324 DBGPRINT(RT_DEBUG_WARN, 2325 ("Indicate_EAPOL_Packet: drop and release the invalid packet.\n")); 2326 /* release packet */ 2327 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, 2328 NDIS_STATUS_FAILURE); 2329 return; 2330 } 2331} 2332 2333#define BCN_TBTT_OFFSET 64 /*defer 64 us */ 2334void ReSyncBeaconTime(struct rt_rtmp_adapter *pAd) 2335{ 2336 2337 u32 Offset; 2338 2339 Offset = (pAd->TbttTickCount) % (BCN_TBTT_OFFSET); 2340 2341 pAd->TbttTickCount++; 2342 2343 /* */ 2344 /* The updated BeaconInterval Value will affect Beacon Interval after two TBTT */ 2345 /* beacasue the original BeaconInterval had been loaded into next TBTT_TIMER */ 2346 /* */ 2347 if (Offset == (BCN_TBTT_OFFSET - 2)) { 2348 BCN_TIME_CFG_STRUC csr; 2349 RTMP_IO_READ32(pAd, BCN_TIME_CFG, &csr.word); 2350 csr.field.BeaconInterval = (pAd->CommonCfg.BeaconPeriod << 4) - 1; /* ASIC register in units of 1/16 TU = 64us */ 2351 RTMP_IO_WRITE32(pAd, BCN_TIME_CFG, csr.word); 2352 } else { 2353 if (Offset == (BCN_TBTT_OFFSET - 1)) { 2354 BCN_TIME_CFG_STRUC csr; 2355 2356 RTMP_IO_READ32(pAd, BCN_TIME_CFG, &csr.word); 2357 csr.field.BeaconInterval = (pAd->CommonCfg.BeaconPeriod) << 4; /* ASIC register in units of 1/16 TU */ 2358 RTMP_IO_WRITE32(pAd, BCN_TIME_CFG, csr.word); 2359 } 2360 } 2361} 2362