2 *************************************************************************
4 * 5F., No.36, Taiyuan St., Jhubei City,
8 * (c) Copyright 2002-2007, Ralink Technology, Inc.
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. *
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. *
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. *
25 *************************************************************************
28 #include "../rt_config.h"
30 u8 SNAP_802_1H[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
31 u8 SNAP_BRIDGE_TUNNEL[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
33 /* Add Cisco Aironet SNAP heade for CCX2 support */
34 u8 SNAP_AIRONET[] = { 0xaa, 0xaa, 0x03, 0x00, 0x40, 0x96, 0x00, 0x00 };
35 u8 CKIP_LLC_SNAP[] = { 0xaa, 0xaa, 0x03, 0x00, 0x40, 0x96, 0x00, 0x02 };
36 u8 EAPOL_LLC_SNAP[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x88, 0x8e };
37 u8 EAPOL[] = { 0x88, 0x8e };
38 u8 TPID[] = { 0x81, 0x00 }; /* VLAN related */
40 u8 IPX[] = { 0x81, 0x37 };
41 u8 APPLE_TALK[] = { 0x80, 0xf3 };
43 u8 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 */
49 u8 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 */
56 u8 OfdmRateToRxwiMCS[12] = {
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 */
62 u8 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 */
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" };
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}; */
77 u8 default_sta_aifsn[] = { 3, 7, 2, 2 };
79 u8 MapUserPriorityToAccessCategory[8] =
80 { QID_AC_BE, QID_AC_BK, QID_AC_BK, QID_AC_BE, QID_AC_VI, QID_AC_VI,
81 QID_AC_VO, QID_AC_VO };
84 ========================================================================
87 API for MLME to transmit management frame to AP (BSS Mode)
88 or station (IBSS Mode)
91 pAd Pointer to our adapter
92 pData Pointer to the outgoing 802.11 frame
93 Length Size of outgoing management frame
101 IRQL = DISPATCH_LEVEL
105 ========================================================================
107 int MiniportMMRequest(struct rt_rtmp_adapter *pAd,
108 u8 QueIdx, u8 *pData, u32 Length)
111 int Status = NDIS_STATUS_SUCCESS;
112 unsigned long FreeNum;
113 u8 rtmpHwHdr[TXINFO_SIZE + TXWI_SIZE]; /*RTMP_HW_HDR_LEN]; */
115 unsigned long IrqFlags = 0;
117 #endif /* RTMP_MAC_PCI // */
118 BOOLEAN bUseDataQ = FALSE;
121 ASSERT(Length <= MGMT_DMA_BUFFER_SIZE);
123 if ((QueIdx & MGMT_USE_QUEUE_FLAG) == MGMT_USE_QUEUE_FLAG) {
125 QueIdx &= (~MGMT_USE_QUEUE_FLAG);
128 /* 2860C use Tx Ring */
129 IrqState = pAd->irq_disabled;
130 if (pAd->MACVersion == 0x28600100) {
131 QueIdx = (bUseDataQ == TRUE ? QueIdx : 3);
134 if (bUseDataQ && (!IrqState))
135 RTMP_IRQ_LOCK(&pAd->irq_lock, IrqFlags);
136 #endif /* RTMP_MAC_PCI // */
139 /* Reset is in progress, stop immediately */
140 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_RESET_IN_PROGRESS) ||
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;
148 /* Check Free priority queue */
149 /* Since we use PBF Queue2 for management frame. Its corresponding DMA ring should be using TxRing. */
152 retryCnt = MAX_DATAMM_RETRY;
153 /* free Tx(QueIdx) resources */
154 RTMPFreeTXDUponTxDmaDone(pAd, QueIdx);
155 FreeNum = GET_TXRING_FREENO(pAd, QueIdx);
157 #endif /* RTMP_MAC_PCI // */
159 FreeNum = GET_MGMTRING_FREENO(pAd);
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));
166 RTMPAllocateNdisPacket(pAd, &pPacket,
168 (TXINFO_SIZE + TXWI_SIZE),
170 if (Status != NDIS_STATUS_SUCCESS) {
171 DBGPRINT(RT_DEBUG_WARN,
172 ("MiniportMMRequest (error:: can't allocate NDIS PACKET)\n"));
175 /*pAd->CommonCfg.MlmeTransmit.field.MODE = MODE_CCK; */
176 /*pAd->CommonCfg.MlmeRate = RATE_2; */
181 MlmeDataHardTransmit(pAd, QueIdx, pPacket);
184 #endif /* RTMP_MAC_PCI // */
185 Status = MlmeHardTransmit(pAd, QueIdx, pPacket);
186 if (Status == NDIS_STATUS_SUCCESS)
189 RTMPFreeNdisPacket(pAd, pPacket);
191 pAd->RalinkCounters.MgmtRingFullCount++;
195 DBGPRINT(RT_DEBUG_TRACE,
196 ("retryCnt %d\n", retryCnt));
198 DBGPRINT(RT_DEBUG_ERROR,
199 ("Qidx(%d), not enough space in DataRing, MgmtRingFullCount=%ld!\n",
205 #endif /* RTMP_MAC_PCI // */
206 DBGPRINT(RT_DEBUG_ERROR,
207 ("Qidx(%d), not enough space in MgmtRing, MgmtRingFullCount=%ld!\n",
209 pAd->RalinkCounters.MgmtRingFullCount));
211 } while (retryCnt > 0);
214 if (bUseDataQ && (!IrqState))
215 RTMP_IRQ_UNLOCK(&pAd->irq_lock, IrqFlags);
216 #endif /* RTMP_MAC_PCI // */
222 ========================================================================
225 Copy frame from waiting queue into relative ring buffer and set
226 appropriate ASIC register to kick hardware transmit function
229 pAd Pointer to our adapter
230 pBuffer Pointer to memory of outgoing frame
231 Length Size of outgoing management frame
239 IRQL = DISPATCH_LEVEL
243 ========================================================================
245 int MlmeHardTransmit(struct rt_rtmp_adapter *pAd,
246 u8 QueIdx, void *pPacket)
248 struct rt_packet_info PacketInfo;
251 struct rt_header_802_11 * pHeader_802_11;
253 if ((pAd->CommonCfg.RadarDetect.RDMode != RD_NORMAL_MODE)
255 return NDIS_STATUS_FAILURE;
258 RTMP_QueryPacketInfo(pPacket, &PacketInfo, &pSrcBufVA, &SrcBufLen);
259 if (pSrcBufVA == NULL)
260 return NDIS_STATUS_FAILURE;
262 pHeader_802_11 = (struct rt_header_802_11 *) (pSrcBufVA + TXINFO_SIZE + TXWI_SIZE);
265 if (pAd->MACVersion == 0x28600100)
266 return MlmeHardTransmitTxRing(pAd, QueIdx, pPacket);
268 #endif /* RTMP_MAC_PCI // */
269 return MlmeHardTransmitMgmtRing(pAd, QueIdx, pPacket);
273 int MlmeHardTransmitMgmtRing(struct rt_rtmp_adapter *pAd,
274 u8 QueIdx, void *pPacket)
276 struct rt_packet_info PacketInfo;
279 struct rt_header_802_11 * pHeader_802_11;
280 BOOLEAN bAckRequired, bInsertTimestamp;
282 struct rt_txwi * pFirstTxWI;
283 struct rt_mac_table_entry *pMacEntry = NULL;
286 RTMP_QueryPacketInfo(pPacket, &PacketInfo, &pSrcBufVA, &SrcBufLen);
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;
297 /* outgoing frame always wakeup PHY to prevent frame lost */
298 if (OPSTATUS_TEST_FLAG(pAd, fOP_STATUS_DOZE))
299 AsicForceWakeup(pAd, TRUE);
302 pFirstTxWI = (struct rt_txwi *) (pSrcBufVA + TXINFO_SIZE);
303 pHeader_802_11 = (struct rt_header_802_11 *) (pSrcBufVA + TXINFO_SIZE + TXWI_SIZE); /*TXWI_SIZE); */
305 if (pHeader_802_11->Addr1[0] & 0x01) {
306 MlmeRate = pAd->CommonCfg.BasicMlmeRate;
308 MlmeRate = pAd->CommonCfg.MlmeRate;
311 /* Verify Mlme rate for a / g bands. */
312 if ((pAd->LatchRfRegs.Channel > 14) && (MlmeRate < RATE_6)) /* 11A band */
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);
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;
327 pAd->CommonCfg.MlmeTransmit.field.MODE = 0;
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. */
336 pHeader_802_11->FC.PwrMgmt = PWR_ACTIVE; /* (pAd->StaCfg.Psm == PWR_SAVE); */
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)) */
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;
350 pHeader_802_11->FC.PwrMgmt =
351 pAd->CommonCfg.bAPSDForcePowerSave;
355 bInsertTimestamp = FALSE;
356 if (pHeader_802_11->FC.Type == BTYPE_CNTL) /* must be PS-POLL */
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;
363 bAckRequired = FALSE;
364 } else /* BTYPE_MGMT or BTYPE_DATA(must be NULL frame) */
366 /*pAd->Sequence++; */
367 /*pHeader_802_11->Sequence = pAd->Sequence; */
369 if (pHeader_802_11->Addr1[0] & 0x01) /* MULTICAST, BROADCAST */
371 bAckRequired = FALSE;
372 pHeader_802_11->Duration = 0;
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 */
382 if ((pHeader_802_11->FC.SubType ==
384 && (pHeader_802_11->FC.Type == BTYPE_MGMT)) {
385 bAckRequired = FALSE; /* Disable ACK to prevent retry 0x1f for Probe Request */
390 pHeader_802_11->Sequence = pAd->Sequence++;
391 if (pAd->Sequence > 0xfff)
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"));
402 RTMP_SEM_UNLOCK(&pAd->MgmtRingLock);
403 return (NDIS_STATUS_FAILURE);
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 */
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; */
417 /* management frame doesn't need encryption. so use RESERVED_WCID no matter u are sending to specific wcid or not. */
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);
427 /* dont use low rate to send QoS Null data frame */
428 RTMPWriteTxWI(pAd, pFirstTxWI, FALSE, FALSE,
429 bInsertTimestamp, FALSE, bAckRequired, FALSE,
431 (SrcBufLen - TXINFO_SIZE - TXWI_SIZE),
432 pMacEntry->MaxHTPhyMode.field.MCS, 0,
433 (u8)pMacEntry->MaxHTPhyMode.field.MCS,
434 IFS_BACKOFF, FALSE, &pMacEntry->MaxHTPhyMode);
437 /* Now do hardware-depened kick out. */
438 HAL_KickOutMgmtTx(pAd, QueIdx, pPacket, pSrcBufVA, SrcBufLen);
440 /* Make sure to release MGMT ring resource */
442 RTMP_SEM_UNLOCK(&pAd->MgmtRingLock);
443 return NDIS_STATUS_SUCCESS;
446 /********************************************************************************
448 New DeQueue Procedures.
450 ********************************************************************************/
452 #define DEQUEUE_LOCK(lock, bIntContext, IrqFlags) \
454 if (bIntContext == FALSE) \
455 RTMP_IRQ_LOCK((lock), IrqFlags); \
458 #define DEQUEUE_UNLOCK(lock, bIntContext, IrqFlags) \
460 if (bIntContext == FALSE) \
461 RTMP_IRQ_UNLOCK((lock), IrqFlags); \
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.
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.
482 The packet must be unicast, NOT A-RALINK, NOT A-MSDU, NOT 11n, then can consider about fragment.
484 Classified Packet Handle Rule=>
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;
495 No piggyback, //pTxBlk->bPiggyBack = FALSE;
507 ========================================================================
509 static u8 TxPktClassification(struct rt_rtmp_adapter *pAd, void *pPacket)
511 u8 TxFrameType = TX_UNKOWN_FRAME;
513 struct rt_mac_table_entry *pMacEntry = NULL;
514 BOOLEAN bHTRate = FALSE;
516 Wcid = RTMP_GET_PACKET_WCID(pPacket);
517 if (Wcid == MCAST_WCID) { /* Handle for RA is Broadcast/Multicast Address. */
518 return TX_MCAST_FRAME;
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 */
526 /* Depends on HTPhyMode to check if the peer support the HTRate transmission. */
527 /* Currently didn't support A-MSDU embedded in A-MPDU */
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)))) !=
535 return TX_AMPDU_FRAME;
536 else if (CLIENT_STATUS_TEST_FLAG
537 (pMacEntry, fCLIENT_STATUS_AMSDU_INUSED))
538 return TX_AMSDU_FRAME;
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;
545 TxFrameType = TX_LEGACY_FRAME;
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;
557 BOOLEAN RTMP_FillTxBlkInfo(struct rt_rtmp_adapter *pAd, struct rt_tx_blk *pTxBlk)
559 struct rt_packet_info PacketInfo;
561 struct rt_mac_table_entry *pMacEntry = NULL;
563 pPacket = pTxBlk->pPacket;
564 RTMP_QueryPacketInfo(pPacket, &PacketInfo, &pTxBlk->pSrcBufHeader,
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 */
572 if (RTMP_GET_PACKET_CLEAR_EAP_FRAME(pTxBlk->pPacket))
573 TX_BLK_SET_FLAG(pTxBlk, fTX_bClearEAPFrame);
575 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bClearEAPFrame);
577 /* Default to clear this flag */
578 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bForceNonQoS);
580 if (pTxBlk->Wcid == MCAST_WCID) {
581 pTxBlk->pMacEntry = NULL;
584 &pAd->MacTab.Content[MCAST_WCID].HTPhyMode;
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);
596 pTxBlk->pMacEntry = &pAd->MacTab.Content[pTxBlk->Wcid];
597 pTxBlk->pTransmit = &pTxBlk->pMacEntry->HTPhyMode;
599 pMacEntry = pTxBlk->pMacEntry;
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);
605 TX_BLK_SET_FLAG(pTxBlk, fTX_bAckRequired);
607 if ((pAd->OpMode == OPMODE_STA) &&
609 (RX_FILTER_TEST_FLAG(pAd, fRX_FILTER_ACCEPT_PROMISCUOUS))) {
610 if (pAd->CommonCfg.PSPXlink)
611 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bAckRequired);
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);
624 /* if (pAd->StaCfg.bAutoTxRateSwitch) */
625 /* TX_BLK_SET_FLAG(pTxBlk, fTX_AutoRateSwitch); */
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. */
632 &pAd->MacTab.Content[MCAST_WCID].HTPhyMode;
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)))
642 TX_BLK_CLEAR_FLAG(pTxBlk, fTX_bWMM);
643 TX_BLK_SET_FLAG(pTxBlk,
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);
652 if (RTMP_GET_PACKET_MOREDATA(pPacket)) {
653 TX_BLK_SET_FLAG(pTxBlk, fTX_bMoreData);
655 } else if (pTxBlk->TxFrameType == TX_FRAG_FRAME) {
656 TX_BLK_SET_FLAG(pTxBlk, fTX_bAllowFrag);
659 pMacEntry->DebugTxCount++;
665 BOOLEAN CanDoAggregateTransmit(struct rt_rtmp_adapter *pAd,
666 char * pPacket, struct rt_tx_blk *pTxBlk)
669 /*DBGPRINT(RT_DEBUG_TRACE, ("Check if can do aggregation! TxFrameType=%d!\n", pTxBlk->TxFrameType)); */
671 if (RTMP_GET_PACKET_WCID(pPacket) == MCAST_WCID)
674 if (RTMP_GET_PACKET_DHCP(pPacket) ||
675 RTMP_GET_PACKET_EAPOL(pPacket) || RTMP_GET_PACKET_WAI(pPacket))
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 */
682 if ((pTxBlk->TxFrameType == TX_RALINK_FRAME) && (pTxBlk->TxPacketList.Number == 2)) { /* For RALINK-Aggregation, allow two frames in one batch. */
686 if ((INFRA_ON(pAd)) && (pAd->OpMode == OPMODE_STA)) /* must be unicast to AP */
694 ========================================================================
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.
703 pAd Pointer to our adapter
704 pQueue Pointer to Waiting Queue
709 IRQL = DISPATCH_LEVEL
713 ========================================================================
715 void RTMPDeQueuePacket(struct rt_rtmp_adapter *pAd, IN BOOLEAN bIntContext, u8 QIdx, /* BulkOutPipeId */
718 struct rt_queue_entry *pEntry = NULL;
720 int Status = NDIS_STATUS_SUCCESS;
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;
730 if (QIdx == NUM_OF_TX_RING) {
732 eQIdx = 3; /* 4 ACs, start from 0. */
734 sQIdx = eQIdx = QIdx;
737 for (QueIdx = sQIdx; QueIdx <= eQIdx; QueIdx++) {
740 RTMP_START_DEQUEUE(pAd, QueIdx, IrqFlags);
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);
754 if (Count >= Max_Tx_Packets)
757 DEQUEUE_LOCK(&pAd->irq_lock, bIntContext, IrqFlags);
758 if (&pAd->TxSwQueue[QueIdx] == NULL) {
759 DEQUEUE_UNLOCK(&pAd->irq_lock, bIntContext,
764 FreeNumber[QueIdx] = GET_TXRING_FREENO(pAd, QueIdx);
766 if (FreeNumber[QueIdx] <= 5) {
767 /* free Tx(QueIdx) resources */
768 RTMPFreeTXDUponTxDmaDone(pAd, QueIdx);
770 GET_TXRING_FREENO(pAd, QueIdx);
772 #endif /* RTMP_MAC_PCI // */
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,
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;
788 pPacket = QUEUE_ENTRY_TO_PACKET(pEntry);
790 /* Early check to make sure we have enoguh Tx Resource. */
792 RTMP_HAS_ENOUGH_FREE_DESC(pAd, pTxBlk,
796 pAd->PrivateInfo.TxRingFullCnt++;
798 DEQUEUE_UNLOCK(&pAd->irq_lock, bIntContext,
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));
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
822 DEQUEUE_UNLOCK(&pAd->irq_lock,
823 bIntContext, IrqFlags);
828 pEntry = pQueue->Head;
832 /* For TX_AMSDU_FRAME/TX_RALINK_FRAME, Need to check if next pakcet can do aggregation. */
833 pPacket = QUEUE_ENTRY_TO_PACKET(pEntry);
835 GET_TXRING_FREENO(pAd, QueIdx);
837 RTMP_HAS_ENOUGH_FREE_DESC(pAd,
842 if ((hasTxDesc == FALSE)
844 (CanDoAggregateTransmit
845 (pAd, pPacket, pTxBlk) == FALSE))
848 /*Remove the packet from the TxSwQueue and insert into pTxBlk */
849 pEntry = RemoveHeadQueue(pQueue);
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
861 if (pTxBlk->TxPacketList.Number == 1)
862 pTxBlk->TxFrameType = TX_LEGACY_FRAME;
865 DEQUEUE_UNLOCK(&pAd->irq_lock, bIntContext, IrqFlags);
866 #endif /* RTMP_MAC_USB // */
867 Count += pTxBlk->TxPacketList.Number;
869 /* Do HardTransmit now. */
870 Status = STAHardTransmit(pAd, pTxBlk, QueIdx);
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 // */
881 RTMP_STOP_DEQUEUE(pAd, QueIdx, IrqFlags);
885 RTUSBKickBulkOut(pAd);
886 #endif /* RTMP_MAC_USB // */
892 ========================================================================
895 Calculates the duration which is required to transmit out frames
896 with given size and specified rate.
899 pAd Pointer to our adapter
901 Size Frame size in units of byte
904 Duration number in units of usec
907 IRQL = DISPATCH_LEVEL
911 ========================================================================
913 u16 RTMPCalcDuration(struct rt_rtmp_adapter *pAd, u8 Rate, unsigned long Size)
915 unsigned long Duration = 0;
917 if (Rate < RATE_FIRST_OFDM_RATE) /* CCK */
920 && OPSTATUS_TEST_FLAG(pAd,
921 fOP_STATUS_SHORT_PREAMBLE_INUSED))
922 Duration = 96; /* 72+24 preamble+plcp */
924 Duration = 192; /* 144+48 preamble+plcp */
926 Duration += (u16)((Size << 4) / RateIdTo500Kbps[Rate]);
927 if ((Size << 4) % RateIdTo500Kbps[Rate])
929 } else if (Rate <= RATE_LAST_OFDM_RATE) /* OFDM rates */
931 Duration = 20 + 6; /* 16+4 preamble+plcp + Signal Extension */
933 4 * (u16)((11 + Size * 4) / RateIdTo500Kbps[Rate]);
934 if ((11 + Size * 4) % RateIdTo500Kbps[Rate])
936 } else /*mimo rate */
938 Duration = 20 + 6; /* 16+4 preamble+plcp + Signal Extension */
941 return (u16)Duration;
945 ========================================================================
948 Calculates the duration which is required to transmit out frames
949 with given size and specified rate.
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
960 TxPreamble Short or Long preamble when using CCK rates
961 QueIdx - 0-3, according to 802.11e/d4.4 June/2003
967 IRQL = DISPATCH_LEVEL
969 See also : BASmartHardTransmit() !
971 ========================================================================
973 void 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. */
976 unsigned long Length,
981 IN BOOLEAN CfAck, IN HTTRANSMIT_SETTING * pTransmit)
983 struct rt_mac_table_entry *pMac = NULL;
985 struct rt_txwi * pTxWI;
987 if (WCID < MAX_LEN_OF_MAC_TABLE)
988 pMac = &pAd->MacTab.Content[WCID];
991 /* Always use Long preamble before verifiation short preamble functionality works well. */
992 /* Todo: remove the following line if short preamble functionality works */
994 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED);
995 NdisZeroMemory(&TxWI, TXWI_SIZE);
1000 pTxWI->CFACK = CFACK;
1001 pTxWI->TS = InsTimestamp;
1002 pTxWI->AMPDU = AMPDU;
1004 pTxWI->txop = Txopmode;
1007 /* John tune the performace with Intel Client in 20 MHz performance */
1008 BASize = pAd->CommonCfg.TxBASize;
1009 if (pAd->MACVersion == 0x28720200) {
1016 pTxWI->BAWinSize = BASize;
1017 pTxWI->ShortGI = pTransmit->field.ShortGI;
1018 pTxWI->STBC = pTransmit->field.STBC;
1020 pTxWI->WirelessCliID = WCID;
1021 pTxWI->MPDUtotalByteCount = Length;
1022 pTxWI->PacketId = PID;
1024 /* If CCK or OFDM, BW must be 20 */
1026 (pTransmit->field.MODE <=
1027 MODE_OFDM) ? (BW_20) : (pTransmit->field.BW);
1029 pTxWI->MCS = pTransmit->field.MCS;
1030 pTxWI->PHYMODE = pTransmit->field.MODE;
1031 pTxWI->CFACK = CfAck;
1034 if (pAd->CommonCfg.bMIMOPSEnable) {
1035 if ((pMac->MmpsMode == MMPS_DYNAMIC)
1036 && (pTransmit->field.MCS > 7)) {
1037 /* Dynamic MIMO Power Save Mode */
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) {
1048 /*pTxWI->MIMOps = (pMac->PsMode == PWR_MMPS)? 1:0; */
1049 if (pMac->bIAmBadAtheros
1050 && (pMac->WepStatus != Ndis802_11WEPDisabled)) {
1051 pTxWI->MpduDensity = 7;
1053 pTxWI->MpduDensity = pMac->MpduDensity;
1057 pTxWI->PacketId = pTxWI->MCS;
1058 NdisMoveMemory(pOutTxWI, &TxWI, sizeof(struct rt_txwi));
1061 void RTMPWriteTxWI_Data(struct rt_rtmp_adapter *pAd,
1062 struct rt_txwi * pTxWI, struct rt_tx_blk *pTxBlk)
1064 HTTRANSMIT_SETTING *pTransmit;
1065 struct rt_mac_table_entry *pMacEntry;
1070 pTransmit = pTxBlk->pTransmit;
1071 pMacEntry = pTxBlk->pMacEntry;
1074 /* Always use Long preamble before verifiation short preamble functionality works well. */
1075 /* Todo: remove the following line if short preamble functionality works */
1077 OPSTATUS_CLEAR_FLAG(pAd, fOP_STATUS_SHORT_PREAMBLE_INUSED);
1078 NdisZeroMemory(pTxWI, TXWI_SIZE);
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;
1084 pTxWI->WirelessCliID = pTxBlk->Wcid;
1086 pTxWI->MPDUtotalByteCount = pTxBlk->MpduHeaderLen + pTxBlk->SrcBufLen;
1087 pTxWI->CFACK = TX_BLK_TEST_FLAG(pTxBlk, fTX_bPiggyBack);
1089 /* If CCK or OFDM, BW must be 20 */
1091 (pTransmit->field.MODE <=
1092 MODE_OFDM) ? (BW_20) : (pTransmit->field.BW);
1093 pTxWI->AMPDU = ((pTxBlk->TxFrameType == TX_AMPDU_FRAME) ? TRUE : FALSE);
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. */
1101 pTxBlk->pMacEntry->BAOriWcidArray[pTxBlk->UserPriority];
1102 BASize = pAd->BATable.BAOriEntry[RABAOriIdx].BAWinSize;
1105 pTxWI->TxBF = pTransmit->field.TxBF;
1106 pTxWI->BAWinSize = BASize;
1107 pTxWI->ShortGI = pTransmit->field.ShortGI;
1108 pTxWI->STBC = pTransmit->field.STBC;
1110 pTxWI->MCS = pTransmit->field.MCS;
1111 pTxWI->PHYMODE = pTransmit->field.MODE;
1114 if ((pMacEntry->MmpsMode == MMPS_DYNAMIC)
1115 && (pTransmit->field.MCS > 7)) {
1116 /* Dynamic MIMO Power Save Mode */
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) {
1127 if (pMacEntry->bIAmBadAtheros
1128 && (pMacEntry->WepStatus != Ndis802_11WEPDisabled)) {
1129 pTxWI->MpduDensity = 7;
1131 pTxWI->MpduDensity = pMacEntry->MpduDensity;
1135 /* for rate adapation */
1136 pTxWI->PacketId = pTxWI->MCS;
1139 void RTMPWriteTxWI_Cache(struct rt_rtmp_adapter *pAd,
1140 struct rt_txwi * pTxWI, struct rt_tx_blk *pTxBlk)
1142 PHTTRANSMIT_SETTING /*pTxHTPhyMode, */ pTransmit;
1143 struct rt_mac_table_entry *pMacEntry;
1148 pMacEntry = pTxBlk->pMacEntry;
1149 pTransmit = pTxBlk->pTransmit;
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;
1157 /* If CCK or OFDM, BW must be 20 */
1159 (pTransmit->field.MODE <=
1160 MODE_OFDM) ? (BW_20) : (pTransmit->field.BW);
1161 pTxWI->ShortGI = pTransmit->field.ShortGI;
1162 pTxWI->STBC = pTransmit->field.STBC;
1164 pTxWI->MCS = pTransmit->field.MCS;
1165 pTxWI->PHYMODE = pTransmit->field.MODE;
1167 /* set PID for TxRateSwitching */
1168 pTxWI->PacketId = pTransmit->field.MCS;
1171 pTxWI->AMPDU = ((pMacEntry->NoBADataCountDown == 0) ? TRUE : FALSE);
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 */
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)) {
1190 pTxWI->MPDUtotalByteCount = pTxBlk->MpduHeaderLen + pTxBlk->SrcBufLen;
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 */
1199 BOOLEAN TxFrameIsAggregatible(struct rt_rtmp_adapter *pAd,
1200 u8 *pPrevAddr1, u8 *p8023hdr)
1203 /* can't aggregate EAPOL (802.1x) frame */
1204 if ((p8023hdr[12] == 0x88) && (p8023hdr[13] == 0x8e))
1207 /* can't aggregate multicast/broadcast frame */
1208 if (p8023hdr[0] & 0x01)
1211 if (INFRA_ON(pAd)) /* must be unicast to AP */
1213 else if ((pPrevAddr1 == NULL) || MAC_ADDR_EQUAL(pPrevAddr1, p8023hdr)) /* unicast to same STA */
1220 ========================================================================
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.
1233 ========================================================================
1235 BOOLEAN PeerIsAggreOn(struct rt_rtmp_adapter *pAd,
1236 unsigned long TxRate, struct rt_mac_table_entry *pMacEntry)
1238 unsigned long AFlags =
1239 (fCLIENT_STATUS_AMSDU_INUSED | fCLIENT_STATUS_AGGREGATION_CAPABLE);
1241 if (pMacEntry != NULL && CLIENT_STATUS_TEST_FLAG(pMacEntry, AFlags)) {
1242 if (pMacEntry->HTPhyMode.field.MODE >= MODE_HTMIX) {
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 */
1249 #endif /* AGGREGATION_SUPPORT // */
1257 ========================================================================
1259 Routine Description:
1260 Check and fine the packet waiting in SW queue with highest priority
1263 pAd Pointer to our adapter
1266 pQueue Pointer to Waiting Queue
1268 IRQL = DISPATCH_LEVEL
1272 ========================================================================
1274 struct rt_queue_header *RTMPCheckTxSwQueue(struct rt_rtmp_adapter *pAd, u8 *pQueIdx)
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)) */
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;
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]);
1300 /* No packet pending in Tx Sw queue */
1301 *pQueIdx = QID_AC_BK;
1307 ========================================================================
1309 Routine Description:
1310 Suspend MSDU transmission
1313 pAd Pointer to our adapter
1320 ========================================================================
1322 void RTMPSuspendMsduTransmission(struct rt_rtmp_adapter *pAd)
1324 DBGPRINT(RT_DEBUG_TRACE, ("SCANNING, suspend MSDU transmission ...\n"));
1327 /* Before BSS_SCAN_IN_PROGRESS, we need to keep Current R66 value and */
1328 /* use Lowbound as R66 value on ScanNextChannel(...) */
1330 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R66,
1331 &pAd->BbpTuning.R66CurrentValue);
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);
1337 RTMP_SET_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS);
1338 /*RTMP_IO_WRITE32(pAd, TX_CNTL_CSR, 0x000f0000); // abort all TX rings */
1342 ========================================================================
1344 Routine Description:
1345 Resume MSDU transmission
1348 pAd Pointer to our adapter
1353 IRQL = DISPATCH_LEVEL
1357 ========================================================================
1359 void RTMPResumeMsduTransmission(struct rt_rtmp_adapter *pAd)
1363 DBGPRINT(RT_DEBUG_TRACE, ("SCAN done, resume MSDU transmission ...\n"));
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");
1372 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R66,
1373 pAd->BbpTuning.R66CurrentValue);
1375 RTMP_CLEAR_FLAG(pAd, fRTMP_ADAPTER_BSS_SCAN_IN_PROGRESS);
1376 /* sample, for IRQ LOCK to SEM LOCK */
1377 /* IrqState = pAd->irq_disabled; */
1379 /* RTMPDeQueuePacket(pAd, TRUE, NUM_OF_TX_RING, MAX_TX_PROCESS); */
1381 RTMPDeQueuePacket(pAd, FALSE, NUM_OF_TX_RING, MAX_TX_PROCESS);
1384 u32 deaggregate_AMSDU_announce(struct rt_rtmp_adapter *pAd,
1386 u8 *pData, unsigned long DataSize)
1390 struct rt_header_802_3 * pAMSDUsubheader;
1394 u8 *pPayload, *pDA, *pSA, *pRemovedLLCSNAP;
1399 while (DataSize > LENGTH_802_3) {
1403 /*hex_dump("subheader", pData, 64); */
1404 pAMSDUsubheader = (struct rt_header_802_3 *) pData;
1405 /*pData += LENGTH_802_3; */
1407 pAMSDUsubheader->Octet[1] +
1408 (pAMSDUsubheader->Octet[0] << 8);
1409 SubFrameSize = PayloadSize + LENGTH_802_3;
1411 if ((DataSize < SubFrameSize) || (PayloadSize > 1518)) {
1414 /*DBGPRINT(RT_DEBUG_TRACE,("%d subframe: Size = %d\n", nMSDU, PayloadSize)); */
1416 pPayload = pData + LENGTH_802_3;
1418 pSA = pData + MAC_ADDR_LEN;
1420 /* convert to 802.3 header */
1421 CONVERT_TO_802_3(Header802_3, pDA, pSA, pPayload, PayloadSize,
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),
1431 (LENGTH_802_11 + LENGTH_802_1_H),
1432 pPayload, PayloadSize);
1434 LENGTH_802_11 + LENGTH_802_1_H +
1436 /*WpaEAPOLKeyAction(pAd, Elem); */
1437 REPORT_MGMT_FRAME_TO_MLME(pAd, BSSID_WCID,
1439 Elem->MsgLen, 0, 0, 0,
1446 if (pRemovedLLCSNAP) {
1447 pPayload -= LENGTH_802_3;
1448 PayloadSize += LENGTH_802_3;
1449 NdisMoveMemory(pPayload, &Header802_3[0],
1454 pClonePacket = ClonePacket(pAd, pPacket, pPayload, PayloadSize);
1456 ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pClonePacket,
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);
1465 if (SubFrameSize > 1528 || SubFrameSize < 32) {
1469 if (DataSize > SubFrameSize) {
1470 pData += SubFrameSize;
1471 DataSize -= SubFrameSize;
1478 /* finally release original rx packet */
1479 RELEASE_NDIS_PACKET(pAd, pPacket, NDIS_STATUS_SUCCESS);
1484 u32 BA_Reorder_AMSDU_Announce(struct rt_rtmp_adapter *pAd, void *pPacket)
1490 pData = (u8 *)GET_OS_PKT_DATAPTR(pPacket);
1491 DataSize = (u16)GET_OS_PKT_LEN(pPacket);
1493 nMSDU = deaggregate_AMSDU_announce(pAd, pPacket, pData, DataSize);
1499 ==========================================================================
1501 Look up the MAC address in the MAC table. Return NULL if not found.
1503 pEntry - pointer to the MAC entry; NULL is not found
1504 ==========================================================================
1506 struct rt_mac_table_entry *MacTableLookup(struct rt_rtmp_adapter *pAd, u8 *pAddr)
1508 unsigned long HashIdx;
1509 struct rt_mac_table_entry *pEntry = NULL;
1511 HashIdx = MAC_ADDR_HASH_INDEX(pAddr);
1512 pEntry = pAd->MacTab.Hash[HashIdx];
1515 && (pEntry->ValidAsCLI || pEntry->ValidAsWDS
1516 || pEntry->ValidAsApCli || pEntry->ValidAsMesh)) {
1517 if (MAC_ADDR_EQUAL(pEntry->Addr, pAddr)) {
1520 pEntry = pEntry->pNext;
1526 struct rt_mac_table_entry *MacTableInsertEntry(struct rt_rtmp_adapter *pAd,
1528 u8 apidx, IN BOOLEAN CleanAll)
1532 struct rt_mac_table_entry *pEntry = NULL, *pCurrEntry;
1534 /* unsigned long addr; */
1536 /* if FULL, return */
1537 if (pAd->MacTab.Size >= MAX_LEN_OF_MAC_TABLE)
1542 if (pAd->StaCfg.BssType == BSS_INFRA)
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 */
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)
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;
1565 pEntry->ValidAsCLI = TRUE;
1566 pEntry->ValidAsWDS = FALSE;
1567 pEntry->ValidAsApCli = FALSE;
1568 pEntry->ValidAsMesh = FALSE;
1569 pEntry->ValidAsDls = FALSE;
1573 pEntry->bIAmBadAtheros = FALSE;
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;
1583 if (pEntry->ValidAsMesh)
1585 (apidx - MIN_NET_DEVICE_FOR_MESH);
1586 else if (pEntry->ValidAsApCli)
1588 (apidx - MIN_NET_DEVICE_FOR_APCLI);
1589 else if (pEntry->ValidAsWDS)
1591 (apidx - MIN_NET_DEVICE_FOR_WDS);
1593 pEntry->apidx = apidx;
1597 pEntry->AuthMode = pAd->StaCfg.AuthMode;
1599 pAd->StaCfg.WepStatus;
1600 pEntry->PrivacyFilter =
1601 Ndis802_11PrivFilterAcceptAll;
1603 AsicRemovePairwiseKeyEntry(pAd,
1607 #endif /* RTMP_MAC_PCI // */
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;
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);
1630 /* Add this entry into ASIC RX WCID search table */
1631 RTMP_STA_ENTRY_ADD(pAd, pEntry);
1633 DBGPRINT(RT_DEBUG_TRACE,
1634 ("MacTableInsertEntry - allocate entry #%d, Total= %d\n",
1635 i, pAd->MacTab.Size));
1640 /* add this MAC entry into HASH table */
1642 HashIdx = MAC_ADDR_HASH_INDEX(pAddr);
1643 if (pAd->MacTab.Hash[HashIdx] == NULL) {
1644 pAd->MacTab.Hash[HashIdx] = pEntry;
1646 pCurrEntry = pAd->MacTab.Hash[HashIdx];
1647 while (pCurrEntry->pNext != NULL)
1648 pCurrEntry = pCurrEntry->pNext;
1649 pCurrEntry->pNext = pEntry;
1653 NdisReleaseSpinLock(&pAd->MacTabLock);
1658 ==========================================================================
1660 Delete a specified client from MAC table
1661 ==========================================================================
1663 BOOLEAN MacTableDeleteEntry(struct rt_rtmp_adapter *pAd,
1664 u16 wcid, u8 *pAddr)
1667 struct rt_mac_table_entry *pEntry, *pPrevEntry, *pProbeEntry;
1669 /*u16 offset; // unused variable */
1670 /*u8 j; // unused variable */
1672 if (wcid >= MAX_LEN_OF_MAC_TABLE)
1675 NdisAcquireSpinLock(&pAd->MacTabLock);
1677 HashIdx = MAC_ADDR_HASH_INDEX(pAddr);
1678 /*pEntry = pAd->MacTab.Hash[HashIdx]; */
1679 pEntry = &pAd->MacTab.Content[wcid];
1682 && (pEntry->ValidAsCLI || pEntry->ValidAsApCli || pEntry->ValidAsWDS
1683 || pEntry->ValidAsMesh)) {
1684 if (MAC_ADDR_EQUAL(pEntry->Addr, pAddr)) {
1686 /* Delete this entry from ASIC on-chip WCID Table */
1687 RTMP_STA_ENTRY_MAC_RESET(pAd, wcid);
1689 /* free resources of BA */
1690 BASessionTearDownALL(pAd, pEntry->Aid);
1693 pProbeEntry = pAd->MacTab.Hash[HashIdx];
1694 ASSERT(pProbeEntry);
1696 /* update Hash list */
1698 if (pProbeEntry == pEntry) {
1699 if (pPrevEntry == NULL) {
1700 pAd->MacTab.Hash[HashIdx] =
1709 pPrevEntry = pProbeEntry;
1710 pProbeEntry = pProbeEntry->pNext;
1711 } while (pProbeEntry);
1714 ASSERT(pProbeEntry != NULL);
1716 RTMP_STA_ENTRY_KEY_DEL(pAd, BSS0, wcid);
1718 if (pEntry->EnqueueEapolStartTimerRunning !=
1719 EAPOL_START_DISABLE) {
1720 RTMPCancelTimer(&pEntry->
1721 EnqueueStartForPSKTimer,
1723 pEntry->EnqueueEapolStartTimerRunning =
1724 EAPOL_START_DISABLE;
1727 NdisZeroMemory(pEntry, sizeof(struct rt_mac_table_entry));
1729 DBGPRINT(RT_DEBUG_TRACE,
1730 ("MacTableDeleteEntry1 - Total= %d\n",
1733 DBGPRINT(RT_DEBUG_OFF,
1734 ("\n%s: Impossible Wcid = %d !\n",
1739 NdisReleaseSpinLock(&pAd->MacTabLock);
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 */
1751 ==========================================================================
1753 This routine reset the entire MAC table. All packets pending in
1754 the power-saving queues are freed here.
1755 ==========================================================================
1757 void MacTableReset(struct rt_rtmp_adapter *pAd)
1761 DBGPRINT(RT_DEBUG_TRACE, ("MacTableReset\n"));
1762 /*NdisAcquireSpinLock(&pAd->MacTabLock); */
1764 for (i = 1; i < MAX_LEN_OF_MAC_TABLE; i++) {
1766 RTMP_STA_ENTRY_MAC_RESET(pAd, i);
1767 #endif /* RTMP_MAC_PCI // */
1768 if (pAd->MacTab.Content[i].ValidAsCLI == TRUE) {
1770 /* free resources of BA */
1771 BASessionTearDownALL(pAd, i);
1773 pAd->MacTab.Content[i].ValidAsCLI = FALSE;
1776 NdisZeroMemory(pAd->MacTab.Content[i].Addr, 6);
1777 RTMP_STA_ENTRY_MAC_RESET(pAd, i);
1778 #endif /* RTMP_MAC_USB // */
1780 /*AsicDelWcidTab(pAd, i); */
1788 ==========================================================================
1791 IRQL = DISPATCH_LEVEL
1793 ==========================================================================
1795 void AssocParmFill(struct rt_rtmp_adapter *pAd,
1796 struct rt_mlme_assoc_req *AssocReq,
1799 unsigned long Timeout, u16 ListenIntv)
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;
1809 ==========================================================================
1812 IRQL = DISPATCH_LEVEL
1814 ==========================================================================
1816 void DisassocParmFill(struct rt_rtmp_adapter *pAd,
1817 struct rt_mlme_disassoc_req *DisassocReq,
1818 u8 *pAddr, u16 Reason)
1820 COPY_MAC_ADDR(DisassocReq->Addr, pAddr);
1821 DisassocReq->Reason = Reason;
1825 ========================================================================
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.
1832 pAd Pointer to our adapter
1833 pPacket Pointer to outgoing Ndis frame
1836 TRUE To be duplicate at Low data rate transmit. (1mb)
1839 IRQL = DISPATCH_LEVEL
1843 MAC header + IP Header + UDP Header
1847 00|01|02|03|04|05|06|07|08|09|10|11|12|13|14|15|
1849 16|17|18|19|20|21|22|23|24|25|26|27|28|29|30|31|
1852 port 0x43 means Bootstrap Protocol, server.
1853 Port 0x44 means Bootstrap Protocol, client.
1855 ========================================================================
1858 BOOLEAN RTMPCheckDHCPFrame(struct rt_rtmp_adapter *pAd, void *pPacket)
1860 struct rt_packet_info PacketInfo;
1861 unsigned long NumberOfBytesRead = 0;
1862 unsigned long CurrentOffset = 0;
1863 void *pVirtualAddress = NULL;
1864 u32 NdisBufferLength;
1867 u8 ByteOffset36 = 0;
1868 u8 ByteOffset38 = 0;
1869 BOOLEAN ReadFirstParm = TRUE;
1871 RTMP_QueryPacketInfo(pPacket, &PacketInfo, (u8 **) & pVirtualAddress,
1874 NumberOfBytesRead += NdisBufferLength;
1875 pSrc = (u8 *)pVirtualAddress;
1876 Protocol = *(pSrc + 12) * 256 + *(pSrc + 13);
1879 /* Check DHCP & BOOTP protocol */
1881 while (NumberOfBytesRead <= PacketInfo.TotalPacketLength) {
1882 if ((NumberOfBytesRead >= 35) && (ReadFirstParm == TRUE)) {
1884 35 - (NumberOfBytesRead - NdisBufferLength);
1885 ByteOffset36 = *(pSrc + CurrentOffset);
1886 ReadFirstParm = FALSE;
1889 if (NumberOfBytesRead >= 37) {
1891 37 - (NumberOfBytesRead - NdisBufferLength);
1892 ByteOffset38 = *(pSrc + CurrentOffset);
1899 /* Check for DHCP & BOOTP protocol */
1900 if ((ByteOffset36 != 0x44) || (ByteOffset38 != 0x43)) {
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 */
1906 if (Protocol != 0x0806)
1913 BOOLEAN RTMPCheckEtherType(struct rt_rtmp_adapter *pAd, void *pPacket)
1919 u16 srcPort, dstPort;
1920 BOOLEAN status = TRUE;
1922 pSrcBuf = GET_OS_PKT_DATAPTR(pPacket);
1923 pktLen = GET_OS_PKT_LEN(pPacket);
1927 RTMP_SET_PACKET_SPECIFIC(pPacket, 0);
1929 /* get Ethernet protocol field */
1930 TypeLen = (pSrcBuf[12] << 8) | pSrcBuf[13];
1932 pSrcBuf += LENGTH_802_3; /* Skip the Ethernet Header. */
1934 if (TypeLen <= 1500) { /* 802.3, 802.3 LLC */
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))
1941 if (pSrcBuf[0] == 0xAA && pSrcBuf[1] == 0xAA
1942 && pSrcBuf[2] == 0x03) {
1943 Sniff2BytesFromNdisBuffer((char *)pSrcBuf, 6,
1945 RTMP_SET_PACKET_LLCSNAP(pPacket, 1);
1946 TypeLen = (u16)((Byte0 << 8) + Byte1);
1947 pSrcBuf += 8; /* Skip this LLC/SNAP header */
1949 /*It just has 3-byte LLC header, maybe a legacy ether type frame. we didn't handle it. */
1952 /* If it's a VLAN packet, get the real Type/Length field. */
1953 if (TypeLen == 0x8100) {
1954 /* 0x8100 means VLAN packets */
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) +
1963 Frame Check Sequence (4-bytes) */
1965 RTMP_SET_PACKET_VLAN(pPacket, 1);
1966 Sniff2BytesFromNdisBuffer((char *)pSrcBuf, 2, &Byte0,
1968 TypeLen = (u16)((Byte0 << 8) + Byte1);
1970 pSrcBuf += 4; /* Skip the VLAN Header. */
1976 ASSERT((pktLen > 34));
1977 if (*(pSrcBuf + 9) == 0x11) { /* udp packet */
1978 ASSERT((pktLen > 34)); /* 14 for ethernet header, 20 for IP header */
1980 pSrcBuf += 20; /* Skip the IP header */
1982 OS_NTOHS(get_unaligned
1983 ((u16 *)(pSrcBuf)));
1985 OS_NTOHS(get_unaligned
1986 ((u16 *)(pSrcBuf + 2)));
1988 if ((srcPort == 0x44 && dstPort == 0x43) || (srcPort == 0x43 && dstPort == 0x44)) { /*It's a BOOTP/DHCP packet */
1989 RTMP_SET_PACKET_DHCP(pPacket, 1);
1997 RTMP_SET_PACKET_DHCP(pPacket, 1);
2003 RTMP_SET_PACKET_EAPOL(pPacket, 1);
2015 void Update_Rssi_Sample(struct rt_rtmp_adapter *pAd,
2016 struct rt_rssi_sample *pRssi, struct rt_rxwi * pRxWI)
2018 char rssi0 = pRxWI->RSSI0;
2019 char rssi1 = pRxWI->RSSI1;
2020 char rssi2 = pRxWI->RSSI2;
2023 pRssi->LastRssi0 = ConvertToRssi(pAd, (char)rssi0, RSSI_0);
2025 (pRssi->AvgRssi0X8 - pRssi->AvgRssi0) + pRssi->LastRssi0;
2026 pRssi->AvgRssi0 = pRssi->AvgRssi0X8 >> 3;
2030 pRssi->LastRssi1 = ConvertToRssi(pAd, (char)rssi1, RSSI_1);
2032 (pRssi->AvgRssi1X8 - pRssi->AvgRssi1) + pRssi->LastRssi1;
2033 pRssi->AvgRssi1 = pRssi->AvgRssi1X8 >> 3;
2037 pRssi->LastRssi2 = ConvertToRssi(pAd, (char)rssi2, RSSI_2);
2039 (pRssi->AvgRssi2X8 - pRssi->AvgRssi2) + pRssi->LastRssi2;
2040 pRssi->AvgRssi2 = pRssi->AvgRssi2X8 >> 3;
2044 /* Normal legacy Rx packet indication */
2045 void Indicate_Legacy_Packet(struct rt_rtmp_adapter *pAd,
2046 struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID)
2048 void *pRxPacket = pRxBlk->pRxPacket;
2049 u8 Header802_3[LENGTH_802_3];
2051 /* 1. get 802.3 Header */
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);
2057 if (pRxBlk->DataSize > MAX_RX_PKT_LEN) {
2059 /* release packet */
2060 RELEASE_NDIS_PACKET(pAd, pRxPacket, NDIS_STATUS_FAILURE);
2064 STATS_INC_RX_PACKETS(pAd, FromWhichBSSID);
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;
2074 #define REORDERING_PACKET_TIMEOUT ((100 * OS_HZ)/1000) /* system ticks -- 100 ms */
2076 if (Wcid < MAX_LEN_OF_MAC_TABLE) {
2077 Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
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->
2087 (REORDERING_PACKET_TIMEOUT)))
2089 DBGPRINT(RT_DEBUG_OFF,
2090 ("Indicate_Legacy_Packet():flush reordering_timeout_mpdus! RxWI->Flags=%d, pRxWI.TID=%d, RxD->AMPDU=%d!\n",
2093 pRxBlk->RxD.AMPDU));
2094 hex_dump("Dump the legacy Packet:",
2095 GET_OS_PKT_DATAPTR(pRxBlk->
2098 ba_flush_reordering_timeout_mpdus(pAd,
2105 #endif /* RTMP_MAC_USB // */
2107 wlan_802_11_to_802_3_packet(pAd, pRxBlk, Header802_3, FromWhichBSSID);
2110 /* pass this 802.3 packet to upper layer or forward this packet to WM directly */
2112 ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pRxPacket, FromWhichBSSID);
2115 /* Normal, AMPDU or AMSDU */
2116 void CmmRxnonRalinkFrameIndicate(struct rt_rtmp_adapter *pAd,
2117 struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID)
2119 if (RX_BLK_TEST_FLAG(pRxBlk, fRX_AMPDU)
2120 && (pAd->CommonCfg.bDisableReordering == 0)) {
2121 Indicate_AMPDU_Packet(pAd, pRxBlk, FromWhichBSSID);
2123 if (RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU)) {
2125 Indicate_AMSDU_Packet(pAd, pRxBlk, FromWhichBSSID);
2127 Indicate_Legacy_Packet(pAd, pRxBlk, FromWhichBSSID);
2132 void CmmRxRalinkFrameIndicate(struct rt_rtmp_adapter *pAd,
2133 struct rt_mac_table_entry *pEntry,
2134 struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID)
2136 u8 Header802_3[LENGTH_802_3];
2138 u16 Payload1Size, Payload2Size;
2140 void *pPacket2 = NULL;
2142 Msdu2Size = *(pRxBlk->pData) + (*(pRxBlk->pData + 1) << 8);
2144 if ((Msdu2Size <= 1536) && (Msdu2Size < pRxBlk->DataSize)) {
2145 /* skip two byte MSDU2 len */
2147 pRxBlk->DataSize -= 2;
2149 /* release packet */
2150 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket,
2151 NDIS_STATUS_FAILURE);
2155 /* get 802.3 Header and remove LLC */
2156 RTMP_802_11_REMOVE_LLC_AND_CONVERT_TO_802_3(pRxBlk, Header802_3);
2158 ASSERT(pRxBlk->pRxPacket);
2160 /* Ralink Aggregation frame */
2161 pAd->RalinkCounters.OneSecRxAggregationCount++;
2162 Payload1Size = pRxBlk->DataSize - Msdu2Size;
2163 Payload2Size = Msdu2Size - LENGTH_802_3;
2165 pData2 = pRxBlk->pData + Payload1Size + LENGTH_802_3;
2168 duplicate_pkt(pAd, (pData2 - LENGTH_802_3), LENGTH_802_3, pData2,
2169 Payload2Size, FromWhichBSSID);
2172 /* release packet */
2173 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket,
2174 NDIS_STATUS_FAILURE);
2177 /* update payload size of 1st packet */
2178 pRxBlk->DataSize = Payload1Size;
2179 wlan_802_11_to_802_3_packet(pAd, pRxBlk, Header802_3, FromWhichBSSID);
2181 ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pRxBlk->pRxPacket,
2185 ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pPacket2, FromWhichBSSID);
2189 #define RESET_FRAGFRAME(_fragFrame) \
2191 _fragFrame.RxSize = 0; \
2192 _fragFrame.Sequence = 0; \
2193 _fragFrame.LastFrag = 0; \
2194 _fragFrame.Flags = 0; \
2197 void *RTMPDeFragmentDataFrame(struct rt_rtmp_adapter *pAd, struct rt_rx_blk *pRxBlk)
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;
2210 HeaderRoom = pData - (u8 *) pHeader;
2212 /* Re-assemble the fragmented packets */
2213 if (pHeader->Frag == 0) /* Frag. Number is 0 : First frag or only one pkt */
2215 /* the first pkt of fragment, record it. */
2216 if (pHeader->FC.MoreFrag) {
2217 ASSERT(pAd->FragFrame.pFragPacket);
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 */
2228 } else /*Middle & End of fragment */
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 */
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. */
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 */
2257 pFragBuffer = GET_OS_PKT_DATAPTR(pAd->FragFrame.pFragPacket);
2259 /* concatenate this fragment into the re-assembly buffer */
2260 NdisMoveMemory((pFragBuffer + pAd->FragFrame.RxSize), pData,
2262 pAd->FragFrame.RxSize += DataSize;
2263 pAd->FragFrame.LastFrag = pHeader->Frag; /* Update fragment number */
2266 if (pHeader->FC.MoreFrag == FALSE) {
2272 /* always release rx fragmented packet */
2273 RELEASE_NDIS_PACKET(pAd, pRxPacket, NDIS_STATUS_FAILURE);
2275 /* return defragmented packet if packet is reassembled completely */
2276 /* otherwise return NULL */
2278 void *pNewFragPacket;
2280 /* allocate a new packet buffer for fragment */
2282 RTMP_AllocateFragPacketBuffer(pAd, RX_BUFFER_NORMSIZE);
2283 if (pNewFragPacket) {
2285 pRetPacket = pAd->FragFrame.pFragPacket;
2286 pAd->FragFrame.pFragPacket = pNewFragPacket;
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;
2293 RESET_FRAGFRAME(pAd->FragFrame);
2300 void Indicate_AMSDU_Packet(struct rt_rtmp_adapter *pAd,
2301 struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID)
2305 update_os_packet_info(pAd, pRxBlk, FromWhichBSSID);
2306 RTMP_SET_PACKET_IF(pRxBlk->pRxPacket, FromWhichBSSID);
2308 deaggregate_AMSDU_announce(pAd, pRxBlk->pRxPacket, pRxBlk->pData,
2312 void Indicate_EAPOL_Packet(struct rt_rtmp_adapter *pAd,
2313 struct rt_rx_blk *pRxBlk, u8 FromWhichBSSID)
2315 struct rt_mac_table_entry *pEntry = NULL;
2318 pEntry = &pAd->MacTab.Content[BSSID_WCID];
2319 STARxEAPOLFrameIndicate(pAd, pEntry, pRxBlk, FromWhichBSSID);
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);
2333 #define BCN_TBTT_OFFSET 64 /*defer 64 us */
2334 void ReSyncBeaconTime(struct rt_rtmp_adapter *pAd)
2339 Offset = (pAd->TbttTickCount) % (BCN_TBTT_OFFSET);
2341 pAd->TbttTickCount++;
2344 /* The updated BeaconInterval Value will affect Beacon Interval after two TBTT */
2345 /* beacasue the original BeaconInterval had been loaded into next TBTT_TIMER */
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);
2353 if (Offset == (BCN_TBTT_OFFSET - 1)) {
2354 BCN_TIME_CFG_STRUC csr;
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);