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"
32 #define BA_ORI_INIT_SEQ (pEntry->TxSeq[TID]) //1 // inital sequence number of BA session
34 #define ORI_SESSION_MAX_RETRY 8
35 #define ORI_BA_SESSION_TIMEOUT (2000) // ms
36 #define REC_BA_SESSION_IDLE_TIMEOUT (1000) // ms
38 #define REORDERING_PACKET_TIMEOUT ((100 * HZ)/1000) // system ticks -- 100 ms
39 #define MAX_REORDERING_PACKET_TIMEOUT ((3000 * HZ)/1000) // system ticks -- 100 ms
41 #define RESET_RCV_SEQ (0xFFFF)
43 static void ba_mpdu_blk_free(PRTMP_ADAPTER pAd, struct reordering_mpdu *mpdu_blk);
46 BA_ORI_ENTRY *BATableAllocOriEntry(
50 BA_REC_ENTRY *BATableAllocRecEntry(
54 VOID BAOriSessionSetupTimeout(
55 IN PVOID SystemSpecific1,
56 IN PVOID FunctionContext,
57 IN PVOID SystemSpecific2,
58 IN PVOID SystemSpecific3);
60 VOID BARecSessionIdleTimeout(
61 IN PVOID SystemSpecific1,
62 IN PVOID FunctionContext,
63 IN PVOID SystemSpecific2,
64 IN PVOID SystemSpecific3);
67 BUILD_TIMER_FUNCTION(BAOriSessionSetupTimeout);
68 BUILD_TIMER_FUNCTION(BARecSessionIdleTimeout);
70 #define ANNOUNCE_REORDERING_PACKET(_pAd, _mpdu_blk) \
71 Announce_Reordering_Packet(_pAd, _mpdu_blk);
73 VOID BA_MaxWinSizeReasign(
75 IN MAC_TABLE_ENTRY *pEntryPeer,
81 if (pAd->MACVersion >= RALINK_2883_VERSION) // 3*3
83 if (pAd->MACVersion >= RALINK_3070_VERSION)
85 if (pEntryPeer->WepStatus != Ndis802_11EncryptionDisabled)
86 MaxSize = 7; // for non-open mode
93 else if (pAd->MACVersion >= RALINK_2880E_VERSION) // 2880 e
95 if (pEntryPeer->WepStatus != Ndis802_11EncryptionDisabled)
96 MaxSize = 7; // for non-open mode
103 DBGPRINT(RT_DEBUG_TRACE, ("ba> Win Size = %d, Max Size = %d\n",
104 *pWinSize, MaxSize));
106 if ((*pWinSize) > MaxSize)
108 DBGPRINT(RT_DEBUG_TRACE, ("ba> reassign max win size from %d to %d\n",
109 *pWinSize, MaxSize));
115 void Announce_Reordering_Packet(IN PRTMP_ADAPTER pAd,
116 IN struct reordering_mpdu *mpdu)
118 PNDIS_PACKET pPacket;
120 pPacket = mpdu->pPacket;
125 BA_Reorder_AMSDU_Annnounce(pAd, pPacket);
130 // pass this 802.3 packet to upper layer or forward this packet to WM directly
133 ANNOUNCE_OR_FORWARD_802_3_PACKET(pAd, pPacket, RTMP_GET_PACKET_IF(pPacket));
138 * Insert a reordering mpdu into sorted linked list by sequence no.
140 BOOLEAN ba_reordering_mpdu_insertsorted(struct reordering_list *list, struct reordering_mpdu *mpdu)
143 struct reordering_mpdu **ppScan = &list->next;
145 while (*ppScan != NULL)
147 if (SEQ_SMALLER((*ppScan)->Sequence, mpdu->Sequence, MAXSEQ))
149 ppScan = &(*ppScan)->next;
151 else if ((*ppScan)->Sequence == mpdu->Sequence)
153 /* give up this duplicated frame */
163 mpdu->next = *ppScan;
171 * caller lock critical section if necessary
173 static inline void ba_enqueue(struct reordering_list *list, struct reordering_mpdu *mpdu_blk)
176 mpdu_blk->next = list->next;
177 list->next = mpdu_blk;
181 * caller lock critical section if necessary
183 static inline struct reordering_mpdu * ba_dequeue(struct reordering_list *list)
185 struct reordering_mpdu *mpdu_blk = NULL;
192 mpdu_blk = list->next;
195 list->next = mpdu_blk->next;
196 mpdu_blk->next = NULL;
203 static inline struct reordering_mpdu *ba_reordering_mpdu_dequeue(struct reordering_list *list)
205 return(ba_dequeue(list));
209 static inline struct reordering_mpdu *ba_reordering_mpdu_probe(struct reordering_list *list)
218 * free all resource for reordering mechanism
220 void ba_reordering_resource_release(PRTMP_ADAPTER pAd)
223 PBA_REC_ENTRY pBAEntry;
224 struct reordering_mpdu *mpdu_blk;
229 /* I. release all pending reordering packet */
230 NdisAcquireSpinLock(&pAd->BATabLock);
231 for (i = 0; i < MAX_LEN_OF_BA_REC_TABLE; i++)
233 pBAEntry = &Tab->BARecEntry[i];
234 if (pBAEntry->REC_BA_Status != Recipient_NONE)
236 while ((mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list)))
238 ASSERT(mpdu_blk->pPacket);
239 RELEASE_NDIS_PACKET(pAd, mpdu_blk->pPacket, NDIS_STATUS_FAILURE);
240 ba_mpdu_blk_free(pAd, mpdu_blk);
244 NdisReleaseSpinLock(&pAd->BATabLock);
246 ASSERT(pBAEntry->list.qlen == 0);
247 /* II. free memory of reordering mpdu table */
248 NdisAcquireSpinLock(&pAd->mpdu_blk_pool.lock);
249 os_free_mem(pAd, pAd->mpdu_blk_pool.mem);
250 NdisReleaseSpinLock(&pAd->mpdu_blk_pool.lock);
256 * Allocate all resource for reordering mechanism
258 BOOLEAN ba_reordering_resource_init(PRTMP_ADAPTER pAd, int num)
262 struct reordering_mpdu *mpdu_blk;
263 struct reordering_list *freelist;
265 /* allocate spinlock */
266 NdisAllocateSpinLock(&pAd->mpdu_blk_pool.lock);
268 /* initialize freelist */
269 freelist = &pAd->mpdu_blk_pool.freelist;
270 freelist->next = NULL;
273 DBGPRINT(RT_DEBUG_TRACE, ("Allocate %d memory for BA reordering\n", (UINT32)(num*sizeof(struct reordering_mpdu))));
275 /* allocate number of mpdu_blk memory */
276 os_alloc_mem(pAd, (PUCHAR *)&mem, (num*sizeof(struct reordering_mpdu)));
278 pAd->mpdu_blk_pool.mem = mem;
282 DBGPRINT(RT_DEBUG_ERROR, ("Can't Allocate Memory for BA Reordering\n"));
286 /* build mpdu_blk free list */
287 for (i=0; i<num; i++)
290 mpdu_blk = (struct reordering_mpdu *) mem;
291 /* initial mpdu_blk */
292 NdisZeroMemory(mpdu_blk, sizeof(struct reordering_mpdu));
294 mem += sizeof(struct reordering_mpdu);
295 /* insert mpdu_blk into freelist */
296 ba_enqueue(freelist, mpdu_blk);
302 //static int blk_count=0; // sample take off, no use
304 static struct reordering_mpdu *ba_mpdu_blk_alloc(PRTMP_ADAPTER pAd)
306 struct reordering_mpdu *mpdu_blk;
308 NdisAcquireSpinLock(&pAd->mpdu_blk_pool.lock);
309 mpdu_blk = ba_dequeue(&pAd->mpdu_blk_pool.freelist);
314 NdisZeroMemory(mpdu_blk, sizeof(struct reordering_mpdu));
316 NdisReleaseSpinLock(&pAd->mpdu_blk_pool.lock);
320 static void ba_mpdu_blk_free(PRTMP_ADAPTER pAd, struct reordering_mpdu *mpdu_blk)
324 NdisAcquireSpinLock(&pAd->mpdu_blk_pool.lock);
326 ba_enqueue(&pAd->mpdu_blk_pool.freelist, mpdu_blk);
327 NdisReleaseSpinLock(&pAd->mpdu_blk_pool.lock);
331 static USHORT ba_indicate_reordering_mpdus_in_order(
332 IN PRTMP_ADAPTER pAd,
333 IN PBA_REC_ENTRY pBAEntry,
336 struct reordering_mpdu *mpdu_blk;
337 USHORT LastIndSeq = RESET_RCV_SEQ;
339 NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
341 while ((mpdu_blk = ba_reordering_mpdu_probe(&pBAEntry->list)))
343 /* find in-order frame */
344 if (!SEQ_STEPONE(mpdu_blk->Sequence, StartSeq, MAXSEQ))
348 /* dequeue in-order frame from reodering list */
349 mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list);
350 /* pass this frame up */
351 ANNOUNCE_REORDERING_PACKET(pAd, mpdu_blk);
352 /* move to next sequence */
353 StartSeq = mpdu_blk->Sequence;
354 LastIndSeq = StartSeq;
356 ba_mpdu_blk_free(pAd, mpdu_blk);
359 NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
361 /* update last indicated sequence */
365 static void ba_indicate_reordering_mpdus_le_seq(
366 IN PRTMP_ADAPTER pAd,
367 IN PBA_REC_ENTRY pBAEntry,
370 struct reordering_mpdu *mpdu_blk;
372 NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
373 while ((mpdu_blk = ba_reordering_mpdu_probe(&pBAEntry->list)))
375 /* find in-order frame */
376 if ((mpdu_blk->Sequence == Sequence) || SEQ_SMALLER(mpdu_blk->Sequence, Sequence, MAXSEQ))
378 /* dequeue in-order frame from reodering list */
379 mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list);
380 /* pass this frame up */
381 ANNOUNCE_REORDERING_PACKET(pAd, mpdu_blk);
383 ba_mpdu_blk_free(pAd, mpdu_blk);
390 NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
394 static void ba_refresh_reordering_mpdus(
395 IN PRTMP_ADAPTER pAd,
396 PBA_REC_ENTRY pBAEntry)
398 struct reordering_mpdu *mpdu_blk;
400 NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
402 /* dequeue in-order frame from reodering list */
403 while ((mpdu_blk = ba_reordering_mpdu_dequeue(&pBAEntry->list)))
405 /* pass this frame up */
406 ANNOUNCE_REORDERING_PACKET(pAd, mpdu_blk);
408 pBAEntry->LastIndSeq = mpdu_blk->Sequence;
409 ba_mpdu_blk_free(pAd, mpdu_blk);
411 /* update last indicated sequence */
413 ASSERT(pBAEntry->list.qlen == 0);
414 pBAEntry->LastIndSeq = RESET_RCV_SEQ;
415 NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
420 void ba_flush_reordering_timeout_mpdus(
421 IN PRTMP_ADAPTER pAd,
422 IN PBA_REC_ENTRY pBAEntry,
428 // if ((RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+REORDERING_PACKET_TIMEOUT)) &&
429 // (pBAEntry->list.qlen > ((pBAEntry->BAWinSize*7)/8))) //||
430 // (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(10*REORDERING_PACKET_TIMEOUT))) &&
431 // (pBAEntry->list.qlen > (pBAEntry->BAWinSize/8)))
432 if (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(MAX_REORDERING_PACKET_TIMEOUT/6)))
433 &&(pBAEntry->list.qlen > 1)
436 DBGPRINT(RT_DEBUG_TRACE,("timeout[%d] (%08lx-%08lx = %d > %d): %x, flush all!\n ", pBAEntry->list.qlen, Now32, (pBAEntry->LastIndSeqAtTimer),
437 (int)((long) Now32 - (long)(pBAEntry->LastIndSeqAtTimer)), MAX_REORDERING_PACKET_TIMEOUT,
438 pBAEntry->LastIndSeq));
439 ba_refresh_reordering_mpdus(pAd, pBAEntry);
440 pBAEntry->LastIndSeqAtTimer = Now32;
443 if (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer+(REORDERING_PACKET_TIMEOUT)))
444 && (pBAEntry->list.qlen > 0)
448 // force LastIndSeq to shift to LastIndSeq+1
450 Sequence = (pBAEntry->LastIndSeq+1) & MAXSEQ;
451 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, Sequence);
452 pBAEntry->LastIndSeqAtTimer = Now32;
453 pBAEntry->LastIndSeq = Sequence;
455 // indicate in-order mpdus
457 Sequence = ba_indicate_reordering_mpdus_in_order(pAd, pBAEntry, Sequence);
458 if (Sequence != RESET_RCV_SEQ)
460 pBAEntry->LastIndSeq = Sequence;
468 * generate ADDBA request to
469 * set up BA agreement
471 VOID BAOriSessionSetUp(
472 IN PRTMP_ADAPTER pAd,
473 IN MAC_TABLE_ENTRY *pEntry,
480 //MLME_ADDBA_REQ_STRUCT AddbaReq;
481 BA_ORI_ENTRY *pBAEntry = NULL;
485 if ((pAd->CommonCfg.BACapability.field.AutoBA != TRUE) && (isForced == FALSE))
488 // if this entry is limited to use legacy tx mode, it doesn't generate BA.
489 if (RTMPStaFixedTxMode(pAd, pEntry) != FIXED_TXMODE_HT)
492 if ((pEntry->BADeclineBitmap & (1<<TID)) && (isForced == FALSE))
494 // try again after 3 secs
496 // printk("DeCline BA from Peer\n");
501 Idx = pEntry->BAOriWcidArray[TID];
504 // allocate a BA session
505 pBAEntry = BATableAllocOriEntry(pAd, &Idx);
506 if (pBAEntry == NULL)
508 DBGPRINT(RT_DEBUG_TRACE,("ADDBA - MlmeADDBAAction() allocate BA session failed \n"));
514 pBAEntry =&pAd->BATable.BAOriEntry[Idx];
517 if (pBAEntry->ORI_BA_Status >= Originator_WaitRes)
522 pEntry->BAOriWcidArray[TID] = Idx;
524 // Initialize BA session
525 pBAEntry->ORI_BA_Status = Originator_WaitRes;
526 pBAEntry->Wcid = pEntry->Aid;
527 pBAEntry->BAWinSize = pAd->CommonCfg.BACapability.field.RxBAWinLimit;
528 pBAEntry->Sequence = BA_ORI_INIT_SEQ;
529 pBAEntry->Token = 1; // (2008-01-21) Jan Lee recommends it - this token can't be 0
531 pBAEntry->TimeOutValue = TimeOut;
532 pBAEntry->pAdapter = pAd;
535 DBGPRINT(RT_DEBUG_TRACE,("Send AddBA to %02x:%02x:%02x:%02x:%02x:%02x Tid:%d isForced:%d Wcid:%d\n"
536 ,pEntry->Addr[0],pEntry->Addr[1],pEntry->Addr[2]
537 ,pEntry->Addr[3],pEntry->Addr[4],pEntry->Addr[5]
538 ,TID,isForced,pEntry->Aid));
541 if (!(pEntry->TXBAbitmap & (1<<TID)))
543 RTMPInitTimer(pAd, &pBAEntry->ORIBATimer, GET_TIMER_FUNCTION(BAOriSessionSetupTimeout), pBAEntry, FALSE);
546 RTMPCancelTimer(&pBAEntry->ORIBATimer, &Cancelled);
548 // set timer to send ADDBA request
549 RTMPSetTimer(&pBAEntry->ORIBATimer, DelayTime);
552 VOID BAOriSessionAdd(
553 IN PRTMP_ADAPTER pAd,
554 IN MAC_TABLE_ENTRY *pEntry,
555 IN PFRAME_ADDBA_RSP pFrame)
557 BA_ORI_ENTRY *pBAEntry = NULL;
561 PUCHAR pOutBuffer2 = NULL;
566 TID = pFrame->BaParm.TID;
567 Idx = pEntry->BAOriWcidArray[TID];
568 pBAEntry =&pAd->BATable.BAOriEntry[Idx];
570 // Start fill in parameters.
571 if ((Idx !=0) && (pBAEntry->TID == TID) && (pBAEntry->ORI_BA_Status == Originator_WaitRes))
573 pBAEntry->BAWinSize = min(pBAEntry->BAWinSize, ((UCHAR)pFrame->BaParm.BufSize));
574 BA_MaxWinSizeReasign(pAd, pEntry, &pBAEntry->BAWinSize);
576 pBAEntry->TimeOutValue = pFrame->TimeOutValue;
577 pBAEntry->ORI_BA_Status = Originator_Done;
578 // reset sequence number
579 pBAEntry->Sequence = BA_ORI_INIT_SEQ;
581 pEntry->TXBAbitmap |= (1<<TID);
582 RTMPCancelTimer(&pBAEntry->ORIBATimer, &Cancelled);
584 pBAEntry->ORIBATimer.TimerValue = 0; //pFrame->TimeOutValue;
586 DBGPRINT(RT_DEBUG_TRACE,("%s : TXBAbitmap = %x, BAWinSize = %d, TimeOut = %ld\n", __func__, pEntry->TXBAbitmap,
587 pBAEntry->BAWinSize, pBAEntry->ORIBATimer.TimerValue));
590 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer2); //Get an unused nonpaged memory
591 if (NStatus != NDIS_STATUS_SUCCESS)
593 DBGPRINT(RT_DEBUG_TRACE,("BA - BAOriSessionAdd() allocate memory failed \n"));
597 BarHeaderInit(pAd, &FrameBar, pAd->MacTab.Content[pBAEntry->Wcid].Addr, pAd->CurrentAddress);
599 FrameBar.StartingSeq.field.FragNum = 0; // make sure sequence not clear in DEL function.
600 FrameBar.StartingSeq.field.StartSeq = pBAEntry->Sequence; // make sure sequence not clear in DEL funciton.
601 FrameBar.BarControl.TID = pBAEntry->TID; // make sure sequence not clear in DEL funciton.
602 MakeOutgoingFrame(pOutBuffer2, &FrameLen,
603 sizeof(FRAME_BAR), &FrameBar,
605 MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer2, FrameLen);
606 MlmeFreeMemory(pAd, pOutBuffer2);
609 if (pBAEntry->ORIBATimer.TimerValue)
610 RTMPSetTimer(&pBAEntry->ORIBATimer, pBAEntry->ORIBATimer.TimerValue); // in mSec
614 BOOLEAN BARecSessionAdd(
615 IN PRTMP_ADAPTER pAd,
616 IN MAC_TABLE_ENTRY *pEntry,
617 IN PFRAME_ADDBA_REQ pFrame)
619 BA_REC_ENTRY *pBAEntry = NULL;
620 BOOLEAN Status = TRUE;
632 TID = pFrame->BaParm.TID;
634 BAWinSize = min(((UCHAR)pFrame->BaParm.BufSize), (UCHAR)pAd->CommonCfg.BACapability.field.RxBAWinLimit);
642 Idx = pEntry->BARecWcidArray[TID];
647 pBAEntry = BATableAllocRecEntry(pAd, &Idx);
651 pBAEntry = &pAd->BATable.BARecEntry[Idx];
652 // flush all pending reordering mpdus
653 ba_refresh_reordering_mpdus(pAd, pBAEntry);
656 DBGPRINT(RT_DEBUG_TRACE,("%s(%ld): Idx = %d, BAWinSize(req %d) = %d\n", __func__, pAd->BATable.numAsRecipient, Idx,
657 pFrame->BaParm.BufSize, BAWinSize));
659 // Start fill in parameters.
660 if (pBAEntry != NULL)
662 ASSERT(pBAEntry->list.qlen == 0);
664 pBAEntry->REC_BA_Status = Recipient_HandleRes;
665 pBAEntry->BAWinSize = BAWinSize;
666 pBAEntry->Wcid = pEntry->Aid;
668 pBAEntry->TimeOutValue = pFrame->TimeOutValue;
669 pBAEntry->REC_BA_Status = Recipient_Accept;
670 // initial sequence number
671 pBAEntry->LastIndSeq = RESET_RCV_SEQ; //pFrame->BaStartSeq.field.StartSeq;
673 printk("Start Seq = %08x\n", pFrame->BaStartSeq.field.StartSeq);
675 if (pEntry->RXBAbitmap & (1<<TID))
677 RTMPCancelTimer(&pBAEntry->RECBATimer, &Cancelled);
681 RTMPInitTimer(pAd, &pBAEntry->RECBATimer, GET_TIMER_FUNCTION(BARecSessionIdleTimeout), pBAEntry, TRUE);
685 pEntry->RXBAbitmap |= (1<<TID);
686 pEntry->BARecWcidArray[TID] = Idx;
688 pEntry->BADeclineBitmap &= ~(1<<TID);
690 // Set BA session mask in WCID table.
691 RT28XX_ADD_BA_SESSION_TO_ASIC(pAd, pEntry->Aid, TID);
693 DBGPRINT(RT_DEBUG_TRACE,("MACEntry[%d]RXBAbitmap = 0x%x. BARecWcidArray=%d\n",
694 pEntry->Aid, pEntry->RXBAbitmap, pEntry->BARecWcidArray[TID]));
699 DBGPRINT(RT_DEBUG_TRACE,("Can't Accept ADDBA for %02x:%02x:%02x:%02x:%02x:%02x TID = %d\n",
700 PRINT_MAC(pEntry->Addr), TID));
706 BA_REC_ENTRY *BATableAllocRecEntry(
707 IN PRTMP_ADAPTER pAd,
711 BA_REC_ENTRY *pBAEntry = NULL;
714 NdisAcquireSpinLock(&pAd->BATabLock);
716 if (pAd->BATable.numAsRecipient >= MAX_BARECI_SESSION)
718 printk("BA Recipeint Session (%ld) > %d\n", pAd->BATable.numAsRecipient,
723 // reserve idx 0 to identify BAWcidArray[TID] as empty
724 for (i=1; i < MAX_LEN_OF_BA_REC_TABLE; i++)
726 pBAEntry =&pAd->BATable.BARecEntry[i];
727 if ((pBAEntry->REC_BA_Status == Recipient_NONE))
730 pAd->BATable.numAsRecipient++;
731 pBAEntry->REC_BA_Status = Recipient_USED;
738 NdisReleaseSpinLock(&pAd->BATabLock);
742 BA_ORI_ENTRY *BATableAllocOriEntry(
743 IN PRTMP_ADAPTER pAd,
747 BA_ORI_ENTRY *pBAEntry = NULL;
749 NdisAcquireSpinLock(&pAd->BATabLock);
751 if (pAd->BATable.numAsOriginator >= (MAX_LEN_OF_BA_ORI_TABLE))
756 // reserve idx 0 to identify BAWcidArray[TID] as empty
757 for (i=1; i<MAX_LEN_OF_BA_ORI_TABLE; i++)
759 pBAEntry =&pAd->BATable.BAOriEntry[i];
760 if ((pBAEntry->ORI_BA_Status == Originator_NONE))
763 pAd->BATable.numAsOriginator++;
764 pBAEntry->ORI_BA_Status = Originator_USED;
765 pBAEntry->pAdapter = pAd;
772 NdisReleaseSpinLock(&pAd->BATabLock);
777 VOID BATableFreeOriEntry(
778 IN PRTMP_ADAPTER pAd,
781 BA_ORI_ENTRY *pBAEntry = NULL;
782 MAC_TABLE_ENTRY *pEntry;
785 if ((Idx == 0) || (Idx >= MAX_LEN_OF_BA_ORI_TABLE))
788 pBAEntry =&pAd->BATable.BAOriEntry[Idx];
790 if (pBAEntry->ORI_BA_Status != Originator_NONE)
792 pEntry = &pAd->MacTab.Content[pBAEntry->Wcid];
793 pEntry->BAOriWcidArray[pBAEntry->TID] = 0;
796 NdisAcquireSpinLock(&pAd->BATabLock);
797 if (pBAEntry->ORI_BA_Status == Originator_Done)
799 pEntry->TXBAbitmap &= (~(1<<(pBAEntry->TID) ));
800 DBGPRINT(RT_DEBUG_TRACE, ("BATableFreeOriEntry numAsOriginator= %ld\n", pAd->BATable.numAsRecipient));
801 // Erase Bitmap flag.
804 ASSERT(pAd->BATable.numAsOriginator != 0);
806 pAd->BATable.numAsOriginator -= 1;
808 pBAEntry->ORI_BA_Status = Originator_NONE;
810 NdisReleaseSpinLock(&pAd->BATabLock);
815 VOID BATableFreeRecEntry(
816 IN PRTMP_ADAPTER pAd,
819 BA_REC_ENTRY *pBAEntry = NULL;
820 MAC_TABLE_ENTRY *pEntry;
823 if ((Idx == 0) || (Idx >= MAX_LEN_OF_BA_REC_TABLE))
826 pBAEntry =&pAd->BATable.BARecEntry[Idx];
828 if (pBAEntry->REC_BA_Status != Recipient_NONE)
830 pEntry = &pAd->MacTab.Content[pBAEntry->Wcid];
831 pEntry->BARecWcidArray[pBAEntry->TID] = 0;
833 NdisAcquireSpinLock(&pAd->BATabLock);
835 ASSERT(pAd->BATable.numAsRecipient != 0);
837 pAd->BATable.numAsRecipient -= 1;
839 pBAEntry->REC_BA_Status = Recipient_NONE;
840 NdisReleaseSpinLock(&pAd->BATabLock);
845 VOID BAOriSessionTearDown(
846 IN OUT PRTMP_ADAPTER pAd,
850 IN BOOLEAN bForceSend)
853 BA_ORI_ENTRY *pBAEntry;
856 if (Wcid >= MAX_LEN_OF_MAC_TABLE)
862 // Locate corresponding BA Originator Entry in BA Table with the (pAddr,TID).
864 Idx = pAd->MacTab.Content[Wcid].BAOriWcidArray[TID];
865 if ((Idx == 0) || (Idx >= MAX_LEN_OF_BA_ORI_TABLE))
867 if (bForceSend == TRUE)
869 // force send specified TID DelBA
870 MLME_DELBA_REQ_STRUCT DelbaReq;
871 MLME_QUEUE_ELEM *Elem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
873 NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
874 NdisZeroMemory(Elem, sizeof(MLME_QUEUE_ELEM));
876 COPY_MAC_ADDR(DelbaReq.Addr, pAd->MacTab.Content[Wcid].Addr);
877 DelbaReq.Wcid = Wcid;
879 DelbaReq.Initiator = ORIGINATOR;
881 Elem->MsgLen = sizeof(DelbaReq);
882 NdisMoveMemory(Elem->Msg, &DelbaReq, sizeof(DelbaReq));
883 MlmeDELBAAction(pAd, Elem);
886 MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ORI_DELBA_CATE, sizeof(MLME_DELBA_REQ_STRUCT), (PVOID)&DelbaReq);
887 RT28XX_MLME_HANDLER(pAd);
894 DBGPRINT(RT_DEBUG_TRACE,("%s===>Wcid=%d.TID=%d \n", __func__, Wcid, TID));
896 pBAEntry = &pAd->BATable.BAOriEntry[Idx];
897 DBGPRINT(RT_DEBUG_TRACE,("\t===>Idx = %ld, Wcid=%d.TID=%d, ORI_BA_Status = %d \n", Idx, Wcid, TID, pBAEntry->ORI_BA_Status));
899 // Prepare DelBA action frame and send to the peer.
901 if ((bPassive == FALSE) && (TID == pBAEntry->TID) && (pBAEntry->ORI_BA_Status == Originator_Done))
903 MLME_DELBA_REQ_STRUCT DelbaReq;
904 MLME_QUEUE_ELEM *Elem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
906 NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
907 NdisZeroMemory(Elem, sizeof(MLME_QUEUE_ELEM));
909 COPY_MAC_ADDR(DelbaReq.Addr, pAd->MacTab.Content[Wcid].Addr);
910 DelbaReq.Wcid = Wcid;
911 DelbaReq.TID = pBAEntry->TID;
912 DelbaReq.Initiator = ORIGINATOR;
914 Elem->MsgLen = sizeof(DelbaReq);
915 NdisMoveMemory(Elem->Msg, &DelbaReq, sizeof(DelbaReq));
916 MlmeDELBAAction(pAd, Elem);
919 MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ORI_DELBA_CATE, sizeof(MLME_DELBA_REQ_STRUCT), (PVOID)&DelbaReq);
920 RT28XX_MLME_HANDLER(pAd);
923 RTMPCancelTimer(&pBAEntry->ORIBATimer, &Cancelled);
924 BATableFreeOriEntry(pAd, Idx);
928 //BAOriSessionSetUp(pAd, &pAd->MacTab.Content[Wcid], TID, 0, 10000, TRUE);
932 VOID BARecSessionTearDown(
933 IN OUT PRTMP_ADAPTER pAd,
939 BA_REC_ENTRY *pBAEntry;
941 if (Wcid >= MAX_LEN_OF_MAC_TABLE)
947 // Locate corresponding BA Originator Entry in BA Table with the (pAddr,TID).
949 Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
953 DBGPRINT(RT_DEBUG_TRACE,("%s===>Wcid=%d.TID=%d \n", __func__, Wcid, TID));
956 pBAEntry = &pAd->BATable.BARecEntry[Idx];
957 DBGPRINT(RT_DEBUG_TRACE,("\t===>Idx = %ld, Wcid=%d.TID=%d, REC_BA_Status = %d \n", Idx, Wcid, TID, pBAEntry->REC_BA_Status));
959 // Prepare DelBA action frame and send to the peer.
961 if ((TID == pBAEntry->TID) && (pBAEntry->REC_BA_Status == Recipient_Accept))
963 MLME_DELBA_REQ_STRUCT DelbaReq;
965 MLME_QUEUE_ELEM *Elem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
969 RTMPCancelTimer(&pBAEntry->RECBATimer, &Cancelled);
972 // 1. Send DELBA Action Frame
974 if (bPassive == FALSE)
976 NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
977 NdisZeroMemory(Elem, sizeof(MLME_QUEUE_ELEM));
979 COPY_MAC_ADDR(DelbaReq.Addr, pAd->MacTab.Content[Wcid].Addr);
980 DelbaReq.Wcid = Wcid;
982 DelbaReq.Initiator = RECIPIENT;
984 Elem->MsgLen = sizeof(DelbaReq);
985 NdisMoveMemory(Elem->Msg, &DelbaReq, sizeof(DelbaReq));
986 MlmeDELBAAction(pAd, Elem);
989 MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ORI_DELBA_CATE, sizeof(MLME_DELBA_REQ_STRUCT), (PVOID)&DelbaReq);
990 RT28XX_MLME_HANDLER(pAd);
996 // 2. Free resource of BA session
998 // flush all pending reordering mpdus
999 ba_refresh_reordering_mpdus(pAd, pBAEntry);
1001 NdisAcquireSpinLock(&pAd->BATabLock);
1003 // Erase Bitmap flag.
1004 pBAEntry->LastIndSeq = RESET_RCV_SEQ;
1005 pBAEntry->BAWinSize = 0;
1006 // Erase Bitmap flag at software mactable
1007 pAd->MacTab.Content[Wcid].RXBAbitmap &= (~(1<<(pBAEntry->TID)));
1008 pAd->MacTab.Content[Wcid].BARecWcidArray[TID] = 0;
1010 RT28XX_DEL_BA_SESSION_FROM_ASIC(pAd, Wcid, TID);
1012 NdisReleaseSpinLock(&pAd->BATabLock);
1016 BATableFreeRecEntry(pAd, Idx);
1019 VOID BASessionTearDownALL(
1020 IN OUT PRTMP_ADAPTER pAd,
1025 for (i=0; i<NUM_OF_TID; i++)
1027 BAOriSessionTearDown(pAd, Wcid, i, FALSE, FALSE);
1028 BARecSessionTearDown(pAd, Wcid, i, FALSE);
1034 ==========================================================================
1036 Retry sending ADDBA Reqest.
1038 IRQL = DISPATCH_LEVEL
1041 p8023Header: if this is already 802.3 format, p8023Header is NULL
1043 Return : TRUE if put into rx reordering buffer, shouldn't indicaterxhere.
1044 FALSE , then continue indicaterx at this moment.
1045 ==========================================================================
1047 VOID BAOriSessionSetupTimeout(
1048 IN PVOID SystemSpecific1,
1049 IN PVOID FunctionContext,
1050 IN PVOID SystemSpecific2,
1051 IN PVOID SystemSpecific3)
1053 BA_ORI_ENTRY *pBAEntry = (BA_ORI_ENTRY *)FunctionContext;
1054 MAC_TABLE_ENTRY *pEntry;
1057 if (pBAEntry == NULL)
1060 pAd = pBAEntry->pAdapter;
1062 // Do nothing if monitor mode is on
1063 if (MONITOR_ON(pAd))
1066 pEntry = &pAd->MacTab.Content[pBAEntry->Wcid];
1068 if ((pBAEntry->ORI_BA_Status == Originator_WaitRes) && (pBAEntry->Token < ORI_SESSION_MAX_RETRY))
1070 MLME_ADDBA_REQ_STRUCT AddbaReq;
1072 NdisZeroMemory(&AddbaReq, sizeof(AddbaReq));
1073 COPY_MAC_ADDR(AddbaReq.pAddr, pEntry->Addr);
1074 AddbaReq.Wcid = (UCHAR)(pEntry->Aid);
1075 AddbaReq.TID = pBAEntry->TID;
1076 AddbaReq.BaBufSize = pAd->CommonCfg.BACapability.field.RxBAWinLimit;
1077 AddbaReq.TimeOutValue = 0;
1078 AddbaReq.Token = pBAEntry->Token;
1079 MlmeEnqueue(pAd, ACTION_STATE_MACHINE, MT2_MLME_ADD_BA_CATE, sizeof(MLME_ADDBA_REQ_STRUCT), (PVOID)&AddbaReq);
1080 RT28XX_MLME_HANDLER(pAd);
1082 DBGPRINT(RT_DEBUG_TRACE,("BA Ori Session Timeout(%d) : Send ADD BA again\n", pBAEntry->Token));
1085 DBGPRINT(RT_DEBUG_TRACE,("BA Ori Session Timeout(%d) to %02x:%02x:%02x:%02x:%02x:%02x Tid:%d Wcid:%d\n"
1087 ,pEntry->Addr[0],pEntry->Addr[1],pEntry->Addr[2]
1088 ,pEntry->Addr[3],pEntry->Addr[4],pEntry->Addr[5]
1089 ,pBAEntry->TID,pEntry->Aid));
1092 RTMPSetTimer(&pBAEntry->ORIBATimer, ORI_BA_SESSION_TIMEOUT);
1096 BATableFreeOriEntry(pAd, pEntry->BAOriWcidArray[pBAEntry->TID]);
1101 ==========================================================================
1103 Retry sending ADDBA Reqest.
1105 IRQL = DISPATCH_LEVEL
1108 p8023Header: if this is already 802.3 format, p8023Header is NULL
1110 Return : TRUE if put into rx reordering buffer, shouldn't indicaterxhere.
1111 FALSE , then continue indicaterx at this moment.
1112 ==========================================================================
1114 VOID BARecSessionIdleTimeout(
1115 IN PVOID SystemSpecific1,
1116 IN PVOID FunctionContext,
1117 IN PVOID SystemSpecific2,
1118 IN PVOID SystemSpecific3)
1121 BA_REC_ENTRY *pBAEntry = (BA_REC_ENTRY *)FunctionContext;
1125 if (pBAEntry == NULL)
1128 if ((pBAEntry->REC_BA_Status == Recipient_Accept))
1130 NdisGetSystemUpTime(&Now32);
1132 if (RTMP_TIME_AFTER((unsigned long)Now32, (unsigned long)(pBAEntry->LastIndSeqAtTimer + REC_BA_SESSION_IDLE_TIMEOUT)))
1134 pAd = pBAEntry->pAdapter;
1135 // flush all pending reordering mpdus
1136 ba_refresh_reordering_mpdus(pAd, pBAEntry);
1137 printk("%ld: REC BA session Timeout\n", Now32);
1143 VOID PeerAddBAReqAction(
1144 IN PRTMP_ADAPTER pAd,
1145 IN MLME_QUEUE_ELEM *Elem)
1152 FRAME_ADDBA_RSP ADDframe;
1153 PUCHAR pOutBuffer = NULL;
1154 NDIS_STATUS NStatus;
1155 PFRAME_ADDBA_REQ pAddreqFrame = NULL;
1159 PMAC_TABLE_ENTRY pMacEntry;
1161 DBGPRINT(RT_DEBUG_TRACE, ("%s ==> (Wcid = %d)\n", __func__, Elem->Wcid));
1163 //hex_dump("AddBAReq", Elem->Msg, Elem->MsgLen);
1165 //ADDBA Request from unknown peer, ignore this.
1166 if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
1169 pMacEntry = &pAd->MacTab.Content[Elem->Wcid];
1170 DBGPRINT(RT_DEBUG_TRACE,("BA - PeerAddBAReqAction----> \n"));
1171 ptemp = (PULONG)Elem->Msg;
1172 //DBGPRINT_RAW(RT_DEBUG_EMU, ("%08x:: %08x:: %08x:: %08x:: %08x:: %08x:: %08x:: %08x:: %08x\n", *(ptemp), *(ptemp+1), *(ptemp+2), *(ptemp+3), *(ptemp+4), *(ptemp+5), *(ptemp+6), *(ptemp+7), *(ptemp+8)));
1174 if (PeerAddBAReqActionSanity(pAd, Elem->Msg, Elem->MsgLen, pAddr))
1177 if ((pAd->CommonCfg.bBADecline == FALSE) && IS_HT_STA(pMacEntry))
1179 pAddreqFrame = (PFRAME_ADDBA_REQ)(&Elem->Msg[0]);
1180 printk("Rcv Wcid(%d) AddBAReq\n", Elem->Wcid);
1181 if (BARecSessionAdd(pAd, &pAd->MacTab.Content[Elem->Wcid], pAddreqFrame))
1184 Status = 38; // more parameters have invalid values
1188 Status = 37; // the request has been declined.
1192 if (pAd->MacTab.Content[Elem->Wcid].ValidAsCLI)
1193 ASSERT(pAd->MacTab.Content[Elem->Wcid].Sst == SST_ASSOC);
1195 pAddreqFrame = (PFRAME_ADDBA_REQ)(&Elem->Msg[0]);
1196 // 2. Always send back ADDBA Response
1197 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
1198 if (NStatus != NDIS_STATUS_SUCCESS)
1200 DBGPRINT(RT_DEBUG_TRACE,("ACTION - PeerBAAction() allocate memory failed \n"));
1204 NdisZeroMemory(&ADDframe, sizeof(FRAME_ADDBA_RSP));
1206 // 2-1. Prepare ADDBA Response frame.
1209 ActHeaderInit(pAd, &ADDframe.Hdr, pAddr, pAd->CurrentAddress, pAd->CommonCfg.Bssid);
1211 ActHeaderInit(pAd, &ADDframe.Hdr, pAd->CommonCfg.Bssid, pAd->CurrentAddress, pAddr);
1214 ADDframe.Category = CATEGORY_BA;
1215 ADDframe.Action = ADDBA_RESP;
1216 ADDframe.Token = pAddreqFrame->Token;
1217 // What is the Status code?? need to check.
1218 ADDframe.StatusCode = Status;
1219 ADDframe.BaParm.BAPolicy = IMMED_BA;
1220 ADDframe.BaParm.AMSDUSupported = 0;
1221 ADDframe.BaParm.TID = pAddreqFrame->BaParm.TID;
1222 ADDframe.BaParm.BufSize = min(((UCHAR)pAddreqFrame->BaParm.BufSize), (UCHAR)pAd->CommonCfg.BACapability.field.RxBAWinLimit);
1223 if (ADDframe.BaParm.BufSize == 0)
1225 ADDframe.BaParm.BufSize = 64;
1227 ADDframe.TimeOutValue = 0; //pAddreqFrame->TimeOutValue;
1229 *(USHORT *)(&ADDframe.BaParm) = cpu2le16(*(USHORT *)(&ADDframe.BaParm));
1230 ADDframe.StatusCode = cpu2le16(ADDframe.StatusCode);
1231 ADDframe.TimeOutValue = cpu2le16(ADDframe.TimeOutValue);
1233 MakeOutgoingFrame(pOutBuffer, &FrameLen,
1234 sizeof(FRAME_ADDBA_RSP), &ADDframe,
1236 MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
1237 MlmeFreeMemory(pAd, pOutBuffer);
1239 DBGPRINT(RT_DEBUG_TRACE, ("%s(%d): TID(%d), BufSize(%d) <== \n", __func__, Elem->Wcid, ADDframe.BaParm.TID,
1240 ADDframe.BaParm.BufSize));
1244 VOID PeerAddBARspAction(
1245 IN PRTMP_ADAPTER pAd,
1246 IN MLME_QUEUE_ELEM *Elem)
1250 //PUCHAR pOutBuffer = NULL;
1251 PFRAME_ADDBA_RSP pFrame = NULL;
1252 //PBA_ORI_ENTRY pBAEntry;
1254 //ADDBA Response from unknown peer, ignore this.
1255 if (Elem->Wcid >= MAX_LEN_OF_MAC_TABLE)
1258 DBGPRINT(RT_DEBUG_TRACE, ("%s ==> Wcid(%d)\n", __func__, Elem->Wcid));
1260 //hex_dump("PeerAddBARspAction()", Elem->Msg, Elem->MsgLen);
1262 if (PeerAddBARspActionSanity(pAd, Elem->Msg, Elem->MsgLen))
1264 pFrame = (PFRAME_ADDBA_RSP)(&Elem->Msg[0]);
1266 DBGPRINT(RT_DEBUG_TRACE, ("\t\t StatusCode = %d\n", pFrame->StatusCode));
1267 switch (pFrame->StatusCode)
1270 // I want a BAsession with this peer as an originator.
1271 BAOriSessionAdd(pAd, &pAd->MacTab.Content[Elem->Wcid], pFrame);
1274 // check status == USED ???
1275 BAOriSessionTearDown(pAd, Elem->Wcid, pFrame->BaParm.TID, TRUE, FALSE);
1278 // Rcv Decline StatusCode
1279 if ((pFrame->StatusCode == 37)
1280 || ((pAd->OpMode == OPMODE_STA) && STA_TGN_WIFI_ON(pAd) && (pFrame->StatusCode != 0))
1283 pAd->MacTab.Content[Elem->Wcid].BADeclineBitmap |= 1<<pFrame->BaParm.TID;
1288 VOID PeerDelBAAction(
1289 IN PRTMP_ADAPTER pAd,
1290 IN MLME_QUEUE_ELEM *Elem)
1294 //PUCHAR pOutBuffer = NULL;
1295 PFRAME_DELBA_REQ pDelFrame = NULL;
1297 DBGPRINT(RT_DEBUG_TRACE,("%s ==>\n", __func__));
1298 //DELBA Request from unknown peer, ignore this.
1299 if (PeerDelBAActionSanity(pAd, Elem->Wcid, Elem->Msg, Elem->MsgLen))
1301 pDelFrame = (PFRAME_DELBA_REQ)(&Elem->Msg[0]);
1302 if (pDelFrame->DelbaParm.Initiator == ORIGINATOR)
1304 DBGPRINT(RT_DEBUG_TRACE,("BA - PeerDelBAAction----> ORIGINATOR\n"));
1305 BARecSessionTearDown(pAd, Elem->Wcid, pDelFrame->DelbaParm.TID, TRUE);
1309 DBGPRINT(RT_DEBUG_TRACE,("BA - PeerDelBAAction----> RECIPIENT, Reason = %d\n", pDelFrame->ReasonCode));
1310 //hex_dump("DelBA Frame", pDelFrame, Elem->MsgLen);
1311 BAOriSessionTearDown(pAd, Elem->Wcid, pDelFrame->DelbaParm.TID, TRUE, FALSE);
1317 BOOLEAN CntlEnqueueForRecv(
1318 IN PRTMP_ADAPTER pAd,
1321 IN PFRAME_BA_REQ pMsg)
1323 PFRAME_BA_REQ pFrame = pMsg;
1324 //PRTMP_REORDERBUF pBuffer;
1325 //PRTMP_REORDERBUF pDmaBuf;
1326 PBA_REC_ENTRY pBAEntry;
1332 TID = (UCHAR)pFrame->BARControl.TID;
1334 DBGPRINT(RT_DEBUG_TRACE, ("%s(): BAR-Wcid(%ld), Tid (%d)\n", __func__, Wcid, TID));
1335 //hex_dump("BAR", (PCHAR) pFrame, MsgLen);
1336 // Do nothing if the driver is starting halt state.
1337 // This might happen when timer already been fired before cancel timer with mlmehalt
1338 if (RTMP_TEST_FLAG(pAd, fRTMP_ADAPTER_HALT_IN_PROGRESS | fRTMP_ADAPTER_NIC_NOT_EXIST))
1341 // First check the size, it MUST not exceed the mlme queue size
1342 if (MsgLen > MGMT_DMA_BUFFER_SIZE)
1344 DBGPRINT_ERR(("CntlEnqueueForRecv: frame too large, size = %ld \n", MsgLen));
1347 else if (MsgLen != sizeof(FRAME_BA_REQ))
1349 DBGPRINT_ERR(("CntlEnqueueForRecv: BlockAck Request frame length size = %ld incorrect\n", MsgLen));
1352 else if (MsgLen != sizeof(FRAME_BA_REQ))
1354 DBGPRINT_ERR(("CntlEnqueueForRecv: BlockAck Request frame length size = %ld incorrect\n", MsgLen));
1358 if ((Wcid < MAX_LEN_OF_MAC_TABLE) && (TID < 8))
1360 // if this receiving packet is from SA that is in our OriEntry. Since WCID <9 has direct mapping. no need search.
1361 Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
1362 pBAEntry = &pAd->BATable.BARecEntry[Idx];
1369 DBGPRINT(RT_DEBUG_TRACE, ("BAR(%ld) : Tid (%d) - %04x:%04x\n", Wcid, TID, pFrame->BAStartingSeq.field.StartSeq, pBAEntry->LastIndSeq ));
1371 if (SEQ_SMALLER(pBAEntry->LastIndSeq, pFrame->BAStartingSeq.field.StartSeq, MAXSEQ))
1373 //printk("BAR Seq = %x, LastIndSeq = %x\n", pFrame->BAStartingSeq.field.StartSeq, pBAEntry->LastIndSeq);
1374 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, pFrame->BAStartingSeq.field.StartSeq);
1375 pBAEntry->LastIndSeq = (pFrame->BAStartingSeq.field.StartSeq == 0) ? MAXSEQ :(pFrame->BAStartingSeq.field.StartSeq -1);
1377 //ba_refresh_reordering_mpdus(pAd, pBAEntry);
1382 Description : Send PSMP Action frame If PSMP mode switches.
1384 VOID SendPSMPAction(
1385 IN PRTMP_ADAPTER pAd,
1389 PUCHAR pOutBuffer = NULL;
1390 NDIS_STATUS NStatus;
1392 FRAME_PSMP_ACTION Frame;
1399 NStatus = MlmeAllocateMemory(pAd, &pOutBuffer); //Get an unused nonpaged memory
1400 if (NStatus != NDIS_STATUS_SUCCESS)
1402 DBGPRINT(RT_DEBUG_ERROR,("BA - MlmeADDBAAction() allocate memory failed \n"));
1406 ActHeaderInit(pAd, &Frame.Hdr, pAd->CommonCfg.Bssid, pAd->CurrentAddress, pAd->MacTab.Content[Wcid].Addr);
1408 Frame.Category = CATEGORY_HT;
1409 Frame.Action = SMPS_ACTION;
1416 // disable MMPS BBP control register
1417 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R3, &bbpdata);
1418 bbpdata &= ~(0x04); //bit 2
1419 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, bbpdata);
1421 // disable MMPS MAC control register
1422 RTMP_IO_READ32(pAd, 0x1210, &macdata);
1423 macdata &= ~(0x09); //bit 0, 3
1424 RTMP_IO_WRITE32(pAd, 0x1210, macdata);
1433 // enable MMPS BBP control register
1434 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R3, &bbpdata);
1435 bbpdata |= 0x04; //bit 2
1436 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, bbpdata);
1438 // enable MMPS MAC control register
1439 RTMP_IO_READ32(pAd, 0x1210, &macdata);
1440 macdata |= 0x09; //bit 0, 3
1441 RTMP_IO_WRITE32(pAd, 0x1210, macdata);
1450 // enable MMPS BBP control register
1451 RTMP_BBP_IO_READ8_BY_REG_ID(pAd, BBP_R3, &bbpdata);
1452 bbpdata |= 0x04; //bit 2
1453 RTMP_BBP_IO_WRITE8_BY_REG_ID(pAd, BBP_R3, bbpdata);
1455 // enable MMPS MAC control register
1456 RTMP_IO_READ32(pAd, 0x1210, &macdata);
1457 macdata |= 0x09; //bit 0, 3
1458 RTMP_IO_WRITE32(pAd, 0x1210, macdata);
1464 MakeOutgoingFrame(pOutBuffer, &FrameLen,
1465 sizeof(FRAME_PSMP_ACTION), &Frame,
1467 MiniportMMRequest(pAd, QID_AC_BE, pOutBuffer, FrameLen);
1468 MlmeFreeMemory(pAd, pOutBuffer);
1469 DBGPRINT(RT_DEBUG_ERROR,("HT - SendPSMPAction( %d ) \n", Frame.Psmp));
1473 #define RADIO_MEASUREMENT_REQUEST_ACTION 0
1475 typedef struct PACKED
1477 UCHAR RegulatoryClass;
1478 UCHAR ChannelNumber;
1479 USHORT RandomInterval;
1480 USHORT MeasurementDuration;
1481 UCHAR MeasurementMode;
1482 UCHAR BSSID[MAC_ADDR_LEN];
1483 UCHAR ReportingCondition;
1485 UCHAR SSIDIE[2]; // 2 byte
1488 typedef struct PACKED
1500 void convert_reordering_packet_to_preAMSDU_or_802_3_packet(
1501 IN PRTMP_ADAPTER pAd,
1503 IN UCHAR FromWhichBSSID)
1505 PNDIS_PACKET pRxPkt;
1506 UCHAR Header802_3[LENGTH_802_3];
1508 // 1. get 802.3 Header
1510 // a. pointer pRxBlk->pData to payload
1511 // b. modify pRxBlk->DataSize
1513 RTMP_802_11_REMOVE_LLC_AND_CONVERT_TO_802_3(pRxBlk, Header802_3);
1515 ASSERT(pRxBlk->pRxPacket);
1516 pRxPkt = RTPKT_TO_OSPKT(pRxBlk->pRxPacket);
1518 RTPKT_TO_OSPKT(pRxPkt)->dev = get_netdev_from_bssid(pAd, FromWhichBSSID);
1519 RTPKT_TO_OSPKT(pRxPkt)->data = pRxBlk->pData;
1520 RTPKT_TO_OSPKT(pRxPkt)->len = pRxBlk->DataSize;
1521 RTPKT_TO_OSPKT(pRxPkt)->tail = RTPKT_TO_OSPKT(pRxPkt)->data + RTPKT_TO_OSPKT(pRxPkt)->len;
1524 // copy 802.3 header, if necessary
1526 if (!RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU))
1529 NdisMoveMemory(skb_push(pRxPkt, LENGTH_802_3), Header802_3, LENGTH_802_3);
1535 #define INDICATE_LEGACY_OR_AMSDU(_pAd, _pRxBlk, _fromWhichBSSID) \
1538 if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_AMSDU)) \
1540 Indicate_AMSDU_Packet(_pAd, _pRxBlk, _fromWhichBSSID); \
1542 else if (RX_BLK_TEST_FLAG(_pRxBlk, fRX_EAP)) \
1544 Indicate_EAPOL_Packet(_pAd, _pRxBlk, _fromWhichBSSID); \
1548 Indicate_Legacy_Packet(_pAd, _pRxBlk, _fromWhichBSSID); \
1554 static VOID ba_enqueue_reordering_packet(
1555 IN PRTMP_ADAPTER pAd,
1556 IN PBA_REC_ENTRY pBAEntry,
1558 IN UCHAR FromWhichBSSID)
1560 struct reordering_mpdu *mpdu_blk;
1561 UINT16 Sequence = (UINT16) pRxBlk->pHeader->Sequence;
1563 mpdu_blk = ba_mpdu_blk_alloc(pAd);
1564 if (mpdu_blk != NULL)
1566 // Write RxD buffer address & allocated buffer length
1567 NdisAcquireSpinLock(&pBAEntry->RxReRingLock);
1569 mpdu_blk->Sequence = Sequence;
1571 mpdu_blk->bAMSDU = RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU);
1573 convert_reordering_packet_to_preAMSDU_or_802_3_packet(pAd, pRxBlk, FromWhichBSSID);
1575 STATS_INC_RX_PACKETS(pAd, FromWhichBSSID);
1578 // it is necessary for reordering packet to record
1579 // which BSS it come from
1581 RTMP_SET_PACKET_IF(pRxBlk->pRxPacket, FromWhichBSSID);
1583 mpdu_blk->pPacket = pRxBlk->pRxPacket;
1585 if (ba_reordering_mpdu_insertsorted(&pBAEntry->list, mpdu_blk) == FALSE)
1587 // had been already within reordering list
1589 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_SUCCESS);
1590 ba_mpdu_blk_free(pAd, mpdu_blk);
1593 ASSERT((0<= pBAEntry->list.qlen) && (pBAEntry->list.qlen <= pBAEntry->BAWinSize));
1594 NdisReleaseSpinLock(&pBAEntry->RxReRingLock);
1598 DBGPRINT(RT_DEBUG_ERROR, ("!!! (%d) Can't allocate reordering mpdu blk\n",
1599 pBAEntry->list.qlen));
1602 * flush all pending reordering mpdus
1603 * and receving mpdu to upper layer
1604 * make tcp/ip to take care reordering mechanism
1606 //ba_refresh_reordering_mpdus(pAd, pBAEntry);
1607 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, Sequence);
1609 pBAEntry->LastIndSeq = Sequence;
1610 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1616 ==========================================================================
1618 Indicate this packet to upper layer or put it into reordering buffer
1621 pRxBlk : carry necessary packet info 802.11 format
1622 FromWhichBSSID : the packet received from which BSS
1628 the packet queued into reordering buffer need to cover to 802.3 format
1630 ==========================================================================
1633 VOID Indicate_AMPDU_Packet(
1634 IN PRTMP_ADAPTER pAd,
1636 IN UCHAR FromWhichBSSID)
1639 PBA_REC_ENTRY pBAEntry = NULL;
1640 UINT16 Sequence = pRxBlk->pHeader->Sequence;
1642 UCHAR Wcid = pRxBlk->pRxWI->WirelessCliID;
1643 UCHAR TID = pRxBlk->pRxWI->TID;
1646 if (!RX_BLK_TEST_FLAG(pRxBlk, fRX_AMSDU) && (pRxBlk->DataSize > MAX_RX_PKT_LEN))
1649 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1653 if (Wcid < MAX_LEN_OF_MAC_TABLE)
1655 Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
1658 /* Rec BA Session had been torn down */
1659 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1662 pBAEntry = &pAd->BATable.BARecEntry[Idx];
1669 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1675 // update last rx time
1676 NdisGetSystemUpTime(&Now32);
1678 pBAEntry->rcvSeq = Sequence;
1681 ba_flush_reordering_timeout_mpdus(pAd, pBAEntry, Now32);
1682 pBAEntry->LastIndSeqAtTimer = Now32;
1685 // Reset Last Indicate Sequence
1687 if (pBAEntry->LastIndSeq == RESET_RCV_SEQ)
1689 ASSERT((pBAEntry->list.qlen == 0) && (pBAEntry->list.next == NULL));
1691 // reset rcv sequence of BA session
1692 pBAEntry->LastIndSeq = Sequence;
1693 pBAEntry->LastIndSeqAtTimer = Now32;
1694 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1700 // I. Check if in order.
1702 if (SEQ_STEPONE(Sequence, pBAEntry->LastIndSeq, MAXSEQ))
1706 pBAEntry->LastIndSeq = Sequence;
1707 INDICATE_LEGACY_OR_AMSDU(pAd, pRxBlk, FromWhichBSSID);
1708 LastIndSeq = ba_indicate_reordering_mpdus_in_order(pAd, pBAEntry, pBAEntry->LastIndSeq);
1709 if (LastIndSeq != RESET_RCV_SEQ)
1711 pBAEntry->LastIndSeq = LastIndSeq;
1713 pBAEntry->LastIndSeqAtTimer = Now32;
1716 // II. Drop Duplicated Packet
1718 else if (Sequence == pBAEntry->LastIndSeq)
1721 // drop and release packet
1722 pBAEntry->nDropPacket++;
1723 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1726 // III. Drop Old Received Packet
1728 else if (SEQ_SMALLER(Sequence, pBAEntry->LastIndSeq, MAXSEQ))
1731 // drop and release packet
1732 pBAEntry->nDropPacket++;
1733 RELEASE_NDIS_PACKET(pAd, pRxBlk->pRxPacket, NDIS_STATUS_FAILURE);
1736 // IV. Receive Sequence within Window Size
1738 else if (SEQ_SMALLER(Sequence, (((pBAEntry->LastIndSeq+pBAEntry->BAWinSize+1)) & MAXSEQ), MAXSEQ))
1740 ba_enqueue_reordering_packet(pAd, pBAEntry, pRxBlk, FromWhichBSSID);
1743 // V. Receive seq surpasses Win(lastseq + nMSDU). So refresh all reorder buffer
1747 LONG WinStartSeq, TmpSeq;
1750 TmpSeq = Sequence - (pBAEntry->BAWinSize) -1;
1753 TmpSeq = (MAXSEQ+1) + TmpSeq;
1755 WinStartSeq = (TmpSeq+1) & MAXSEQ;
1756 ba_indicate_reordering_mpdus_le_seq(pAd, pBAEntry, WinStartSeq);
1757 pBAEntry->LastIndSeq = WinStartSeq; //TmpSeq;
1759 pBAEntry->LastIndSeqAtTimer = Now32;
1761 ba_enqueue_reordering_packet(pAd, pBAEntry, pRxBlk, FromWhichBSSID);
1763 TmpSeq = ba_indicate_reordering_mpdus_in_order(pAd, pBAEntry, pBAEntry->LastIndSeq);
1764 if (TmpSeq != RESET_RCV_SEQ)
1766 pBAEntry->LastIndSeq = TmpSeq;