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
30 u8 SNAP_802_1H[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
31 u8 SNAP_BRIDGE_TUNNEL[] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0xf8 };
32
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 */
39
40 u8 IPX[] = { 0x81, 0x37 };
41 u8 APPLE_TALK[] = { 0x80, 0xf3 };
42
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 */
48
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 */
54 };
55
56 u8 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
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 */
66 };
67
68 char *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
74 u8 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}; */
77 u8 default_sta_aifsn[] = { 3, 7, 2, 2 };
78
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 };
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 */
MiniportMMRequest(struct rt_rtmp_adapter * pAd,u8 QueIdx,u8 * pData,u32 Length)107 int 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 */
MlmeHardTransmit(struct rt_rtmp_adapter * pAd,u8 QueIdx,void * pPacket)245 int 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
MlmeHardTransmitMgmtRing(struct rt_rtmp_adapter * pAd,u8 QueIdx,void * pPacket)273 int 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 also 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 */
TxPktClassification(struct rt_rtmp_adapter * pAd,void * pPacket)509 static 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
RTMP_FillTxBlkInfo(struct rt_rtmp_adapter * pAd,struct rt_tx_blk * pTxBlk)557 BOOLEAN 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
CanDoAggregateTransmit(struct rt_rtmp_adapter * pAd,char * pPacket,struct rt_tx_blk * pTxBlk)665 BOOLEAN 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 */
RTMPDeQueuePacket(struct rt_rtmp_adapter * pAd,IN BOOLEAN bIntContext,u8 QIdx,u8 Max_Tx_Packets)715 void 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 */
RTMPCalcDuration(struct rt_rtmp_adapter * pAd,u8 Rate,unsigned long Size)913 u16 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 */
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,u8 BASize,u8 WCID,unsigned long Length,u8 PID,u8 TID,u8 TxRate,u8 Txopmode,IN BOOLEAN CfAck,IN HTTRANSMIT_SETTING * pTransmit)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. */
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
RTMPWriteTxWI_Data(struct rt_rtmp_adapter * pAd,struct rt_txwi * pTxWI,struct rt_tx_blk * pTxBlk)1061 void 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
RTMPWriteTxWI_Cache(struct rt_rtmp_adapter * pAd,struct rt_txwi * pTxWI,struct rt_tx_blk * pTxBlk)1139 void 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 */
TxFrameIsAggregatible(struct rt_rtmp_adapter * pAd,u8 * pPrevAddr1,u8 * p8023hdr)1199 BOOLEAN 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 */
PeerIsAggreOn(struct rt_rtmp_adapter * pAd,unsigned long TxRate,struct rt_mac_table_entry * pMacEntry)1235 BOOLEAN 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 */
RTMPCheckTxSwQueue(struct rt_rtmp_adapter * pAd,u8 * pQueIdx)1274 struct 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 */
RTMPSuspendMsduTransmission(struct rt_rtmp_adapter * pAd)1322 void 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 */
RTMPResumeMsduTransmission(struct rt_rtmp_adapter * pAd)1359 void 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
deaggregate_AMSDU_announce(struct rt_rtmp_adapter * pAd,void * pPacket,u8 * pData,unsigned long DataSize)1384 u32 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
BA_Reorder_AMSDU_Announce(struct rt_rtmp_adapter * pAd,void * pPacket)1484 u32 BA_Reorder_AMSDU_Announce(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 */
MacTableLookup(struct rt_rtmp_adapter * pAd,u8 * pAddr)1506 struct 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
MacTableInsertEntry(struct rt_rtmp_adapter * pAd,u8 * pAddr,u8 apidx,IN BOOLEAN CleanAll)1526 struct 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 */
MacTableDeleteEntry(struct rt_rtmp_adapter * pAd,u16 wcid,u8 * pAddr)1663 BOOLEAN 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 */
MacTableReset(struct rt_rtmp_adapter * pAd)1757 void 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 */
AssocParmFill(struct rt_rtmp_adapter * pAd,struct rt_mlme_assoc_req * AssocReq,u8 * pAddr,u16 CapabilityInfo,unsigned long Timeout,u16 ListenIntv)1795 void 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 */
DisassocParmFill(struct rt_rtmp_adapter * pAd,struct rt_mlme_disassoc_req * DisassocReq,u8 * pAddr,u16 Reason)1816 void 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
RTMPCheckDHCPFrame(struct rt_rtmp_adapter * pAd,void * pPacket)1858 BOOLEAN 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
RTMPCheckEtherType(struct rt_rtmp_adapter * pAd,void * pPacket)1913 BOOLEAN 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) + Length(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
Update_Rssi_Sample(struct rt_rtmp_adapter * pAd,struct rt_rssi_sample * pRssi,struct rt_rxwi * pRxWI)2015 void 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 */
Indicate_Legacy_Packet(struct rt_rtmp_adapter * pAd,struct rt_rx_blk * pRxBlk,u8 FromWhichBSSID)2045 void 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 */
CmmRxnonRalinkFrameIndicate(struct rt_rtmp_adapter * pAd,struct rt_rx_blk * pRxBlk,u8 FromWhichBSSID)2116 void 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
CmmRxRalinkFrameIndicate(struct rt_rtmp_adapter * pAd,struct rt_mac_table_entry * pEntry,struct rt_rx_blk * pRxBlk,u8 FromWhichBSSID)2132 void 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
RTMPDeFragmentDataFrame(struct rt_rtmp_adapter * pAd,struct rt_rx_blk * pRxBlk)2197 void *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
2271 done:
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
Indicate_AMSDU_Packet(struct rt_rtmp_adapter * pAd,struct rt_rx_blk * pRxBlk,u8 FromWhichBSSID)2300 void 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
Indicate_EAPOL_Packet(struct rt_rtmp_adapter * pAd,struct rt_rx_blk * pRxBlk,u8 FromWhichBSSID)2312 void 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 */
ReSyncBeaconTime(struct rt_rtmp_adapter * pAd)2334 void 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