1 #include "ieee80211.h"
2 #include <linux/etherdevice.h>
3 #include <linux/slab.h>
4 #include "rtl819x_TS.h"
5
TsSetupTimeOut(unsigned long data)6 void TsSetupTimeOut(unsigned long data)
7 {
8 // Not implement yet
9 // This is used for WMMSA and ACM , that would send ADDTSReq frame.
10 }
11
TsInactTimeout(unsigned long data)12 void TsInactTimeout(unsigned long data)
13 {
14 // Not implement yet
15 // This is used for WMMSA and ACM.
16 // This function would be call when TS is no Tx/Rx for some period of time.
17 }
18
19 /********************************************************************************************************************
20 *function: I still not understand this function, so wait for further implementation
21 * input: unsigned long data //acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
22 * return: NULL
23 * notice:
24 ********************************************************************************************************************/
RxPktPendingTimeout(unsigned long data)25 void RxPktPendingTimeout(unsigned long data)
26 {
27 PRX_TS_RECORD pRxTs = (PRX_TS_RECORD)data;
28 struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]);
29
30 PRX_REORDER_ENTRY pReorderEntry = NULL;
31
32 //u32 flags = 0;
33 unsigned long flags = 0;
34 struct ieee80211_rxb *stats_IndicateArray[REORDER_WIN_SIZE];
35 u8 index = 0;
36 bool bPktInBuf = false;
37
38
39 spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
40 //PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
41 IEEE80211_DEBUG(IEEE80211_DL_REORDER,"==================>%s()\n",__FUNCTION__);
42 if(pRxTs->RxTimeoutIndicateSeq != 0xffff)
43 {
44 // Indicate the pending packets sequentially according to SeqNum until meet the gap.
45 while(!list_empty(&pRxTs->RxPendingPktList))
46 {
47 pReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTs->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
48 if(index == 0)
49 pRxTs->RxIndicateSeq = pReorderEntry->SeqNum;
50
51 if( SN_LESS(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq) ||
52 SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq) )
53 {
54 list_del_init(&pReorderEntry->List);
55
56 if(SN_EQUAL(pReorderEntry->SeqNum, pRxTs->RxIndicateSeq))
57 pRxTs->RxIndicateSeq = (pRxTs->RxIndicateSeq + 1) % 4096;
58
59 IEEE80211_DEBUG(IEEE80211_DL_REORDER,"RxPktPendingTimeout(): IndicateSeq: %d\n", pReorderEntry->SeqNum);
60 stats_IndicateArray[index] = pReorderEntry->prxb;
61 index++;
62
63 list_add_tail(&pReorderEntry->List, &ieee->RxReorder_Unused_List);
64 }
65 else
66 {
67 bPktInBuf = true;
68 break;
69 }
70 }
71 }
72
73 if(index>0)
74 {
75 // Set RxTimeoutIndicateSeq to 0xffff to indicate no pending packets in buffer now.
76 pRxTs->RxTimeoutIndicateSeq = 0xffff;
77
78 // Indicate packets
79 if(index > REORDER_WIN_SIZE){
80 IEEE80211_DEBUG(IEEE80211_DL_ERR, "RxReorderIndicatePacket(): Rx Reorer buffer full!! \n");
81 spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
82 return;
83 }
84 ieee80211_indicate_packets(ieee, stats_IndicateArray, index);
85 }
86
87 if(bPktInBuf && (pRxTs->RxTimeoutIndicateSeq==0xffff))
88 {
89 pRxTs->RxTimeoutIndicateSeq = pRxTs->RxIndicateSeq;
90 mod_timer(&pRxTs->RxPktPendingTimer, jiffies + MSECS(ieee->pHTInfo->RxReorderPendingTime));
91 }
92 spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
93 //PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
94 }
95
96 /********************************************************************************************************************
97 *function: Add BA timer function
98 * input: unsigned long data //acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
99 * return: NULL
100 * notice:
101 ********************************************************************************************************************/
TsAddBaProcess(unsigned long data)102 void TsAddBaProcess(unsigned long data)
103 {
104 PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data;
105 u8 num = pTxTs->num;
106 struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[num]);
107
108 TsInitAddBA(ieee, pTxTs, BA_POLICY_IMMEDIATE, false);
109 IEEE80211_DEBUG(IEEE80211_DL_BA, "TsAddBaProcess(): ADDBA Req is started!! \n");
110 }
111
112
ResetTsCommonInfo(PTS_COMMON_INFO pTsCommonInfo)113 void ResetTsCommonInfo(PTS_COMMON_INFO pTsCommonInfo)
114 {
115 memset(pTsCommonInfo->Addr, 0, 6);
116 memset(&pTsCommonInfo->TSpec, 0, sizeof(TSPEC_BODY));
117 memset(&pTsCommonInfo->TClass, 0, sizeof(QOS_TCLAS)*TCLAS_NUM);
118 pTsCommonInfo->TClasProc = 0;
119 pTsCommonInfo->TClasNum = 0;
120 }
121
ResetTxTsEntry(PTX_TS_RECORD pTS)122 void ResetTxTsEntry(PTX_TS_RECORD pTS)
123 {
124 ResetTsCommonInfo(&pTS->TsCommonInfo);
125 pTS->TxCurSeq = 0;
126 pTS->bAddBaReqInProgress = false;
127 pTS->bAddBaReqDelayed = false;
128 pTS->bUsingBa = false;
129 ResetBaEntry(&pTS->TxAdmittedBARecord); //For BA Originator
130 ResetBaEntry(&pTS->TxPendingBARecord);
131 }
132
ResetRxTsEntry(PRX_TS_RECORD pTS)133 void ResetRxTsEntry(PRX_TS_RECORD pTS)
134 {
135 ResetTsCommonInfo(&pTS->TsCommonInfo);
136 pTS->RxIndicateSeq = 0xffff; // This indicate the RxIndicateSeq is not used now!!
137 pTS->RxTimeoutIndicateSeq = 0xffff; // This indicate the RxTimeoutIndicateSeq is not used now!!
138 ResetBaEntry(&pTS->RxAdmittedBARecord); // For BA Recipient
139 }
140
TSInitialize(struct ieee80211_device * ieee)141 void TSInitialize(struct ieee80211_device *ieee)
142 {
143 PTX_TS_RECORD pTxTS = ieee->TxTsRecord;
144 PRX_TS_RECORD pRxTS = ieee->RxTsRecord;
145 PRX_REORDER_ENTRY pRxReorderEntry = ieee->RxReorderEntry;
146 u8 count = 0;
147 IEEE80211_DEBUG(IEEE80211_DL_TS, "==========>%s()\n", __FUNCTION__);
148 // Initialize Tx TS related info.
149 INIT_LIST_HEAD(&ieee->Tx_TS_Admit_List);
150 INIT_LIST_HEAD(&ieee->Tx_TS_Pending_List);
151 INIT_LIST_HEAD(&ieee->Tx_TS_Unused_List);
152
153 for(count = 0; count < TOTAL_TS_NUM; count++)
154 {
155 //
156 pTxTS->num = count;
157 // The timers for the operation of Traffic Stream and Block Ack.
158 // DLS related timer will be add here in the future!!
159 init_timer(&pTxTS->TsCommonInfo.SetupTimer);
160 pTxTS->TsCommonInfo.SetupTimer.data = (unsigned long)pTxTS;
161 pTxTS->TsCommonInfo.SetupTimer.function = TsSetupTimeOut;
162
163 init_timer(&pTxTS->TsCommonInfo.InactTimer);
164 pTxTS->TsCommonInfo.InactTimer.data = (unsigned long)pTxTS;
165 pTxTS->TsCommonInfo.InactTimer.function = TsInactTimeout;
166
167 init_timer(&pTxTS->TsAddBaTimer);
168 pTxTS->TsAddBaTimer.data = (unsigned long)pTxTS;
169 pTxTS->TsAddBaTimer.function = TsAddBaProcess;
170
171 init_timer(&pTxTS->TxPendingBARecord.Timer);
172 pTxTS->TxPendingBARecord.Timer.data = (unsigned long)pTxTS;
173 pTxTS->TxPendingBARecord.Timer.function = BaSetupTimeOut;
174
175 init_timer(&pTxTS->TxAdmittedBARecord.Timer);
176 pTxTS->TxAdmittedBARecord.Timer.data = (unsigned long)pTxTS;
177 pTxTS->TxAdmittedBARecord.Timer.function = TxBaInactTimeout;
178
179 ResetTxTsEntry(pTxTS);
180 list_add_tail(&pTxTS->TsCommonInfo.List, &ieee->Tx_TS_Unused_List);
181 pTxTS++;
182 }
183
184 // Initialize Rx TS related info.
185 INIT_LIST_HEAD(&ieee->Rx_TS_Admit_List);
186 INIT_LIST_HEAD(&ieee->Rx_TS_Pending_List);
187 INIT_LIST_HEAD(&ieee->Rx_TS_Unused_List);
188 for(count = 0; count < TOTAL_TS_NUM; count++)
189 {
190 pRxTS->num = count;
191 INIT_LIST_HEAD(&pRxTS->RxPendingPktList);
192
193 init_timer(&pRxTS->TsCommonInfo.SetupTimer);
194 pRxTS->TsCommonInfo.SetupTimer.data = (unsigned long)pRxTS;
195 pRxTS->TsCommonInfo.SetupTimer.function = TsSetupTimeOut;
196
197 init_timer(&pRxTS->TsCommonInfo.InactTimer);
198 pRxTS->TsCommonInfo.InactTimer.data = (unsigned long)pRxTS;
199 pRxTS->TsCommonInfo.InactTimer.function = TsInactTimeout;
200
201 init_timer(&pRxTS->RxAdmittedBARecord.Timer);
202 pRxTS->RxAdmittedBARecord.Timer.data = (unsigned long)pRxTS;
203 pRxTS->RxAdmittedBARecord.Timer.function = RxBaInactTimeout;
204
205 init_timer(&pRxTS->RxPktPendingTimer);
206 pRxTS->RxPktPendingTimer.data = (unsigned long)pRxTS;
207 pRxTS->RxPktPendingTimer.function = RxPktPendingTimeout;
208
209 ResetRxTsEntry(pRxTS);
210 list_add_tail(&pRxTS->TsCommonInfo.List, &ieee->Rx_TS_Unused_List);
211 pRxTS++;
212 }
213 // Initialize unused Rx Reorder List.
214 INIT_LIST_HEAD(&ieee->RxReorder_Unused_List);
215 //#ifdef TO_DO_LIST
216 for(count = 0; count < REORDER_ENTRY_NUM; count++)
217 {
218 list_add_tail( &pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
219 if(count == (REORDER_ENTRY_NUM-1))
220 break;
221 pRxReorderEntry = &ieee->RxReorderEntry[count+1];
222 }
223 //#endif
224
225 }
226
AdmitTS(struct ieee80211_device * ieee,PTS_COMMON_INFO pTsCommonInfo,u32 InactTime)227 void AdmitTS(struct ieee80211_device *ieee, PTS_COMMON_INFO pTsCommonInfo, u32 InactTime)
228 {
229 del_timer_sync(&pTsCommonInfo->SetupTimer);
230 del_timer_sync(&pTsCommonInfo->InactTimer);
231
232 if(InactTime!=0)
233 mod_timer(&pTsCommonInfo->InactTimer, jiffies + MSECS(InactTime));
234 }
235
236
SearchAdmitTRStream(struct ieee80211_device * ieee,u8 * Addr,u8 TID,TR_SELECT TxRxSelect)237 PTS_COMMON_INFO SearchAdmitTRStream(struct ieee80211_device *ieee, u8* Addr, u8 TID, TR_SELECT TxRxSelect)
238 {
239 //DIRECTION_VALUE dir;
240 u8 dir;
241 bool search_dir[4] = {0, 0, 0, 0};
242 struct list_head* psearch_list; //FIXME
243 PTS_COMMON_INFO pRet = NULL;
244 if(ieee->iw_mode == IW_MODE_MASTER) //ap mode
245 {
246 if(TxRxSelect == TX_DIR)
247 {
248 search_dir[DIR_DOWN] = true;
249 search_dir[DIR_BI_DIR]= true;
250 }
251 else
252 {
253 search_dir[DIR_UP] = true;
254 search_dir[DIR_BI_DIR]= true;
255 }
256 }
257 else if(ieee->iw_mode == IW_MODE_ADHOC)
258 {
259 if(TxRxSelect == TX_DIR)
260 search_dir[DIR_UP] = true;
261 else
262 search_dir[DIR_DOWN] = true;
263 }
264 else
265 {
266 if(TxRxSelect == TX_DIR)
267 {
268 search_dir[DIR_UP] = true;
269 search_dir[DIR_BI_DIR]= true;
270 search_dir[DIR_DIRECT]= true;
271 }
272 else
273 {
274 search_dir[DIR_DOWN] = true;
275 search_dir[DIR_BI_DIR]= true;
276 search_dir[DIR_DIRECT]= true;
277 }
278 }
279
280 if(TxRxSelect == TX_DIR)
281 psearch_list = &ieee->Tx_TS_Admit_List;
282 else
283 psearch_list = &ieee->Rx_TS_Admit_List;
284
285 //for(dir = DIR_UP; dir <= DIR_BI_DIR; dir++)
286 for(dir = 0; dir <= DIR_BI_DIR; dir++)
287 {
288 if(search_dir[dir] ==false )
289 continue;
290 list_for_each_entry(pRet, psearch_list, List){
291 // IEEE80211_DEBUG(IEEE80211_DL_TS, "ADD:%pM, TID:%d, dir:%d\n", pRet->Addr, pRet->TSpec.f.TSInfo.field.ucTSID, pRet->TSpec.f.TSInfo.field.ucDirection);
292 if (memcmp(pRet->Addr, Addr, 6) == 0)
293 if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
294 if(pRet->TSpec.f.TSInfo.field.ucDirection == dir)
295 {
296 // printk("Bingo! got it\n");
297 break;
298 }
299
300 }
301 if(&pRet->List != psearch_list)
302 break;
303 }
304
305 if(&pRet->List != psearch_list){
306 return pRet ;
307 }
308 else
309 return NULL;
310 }
311
MakeTSEntry(PTS_COMMON_INFO pTsCommonInfo,u8 * Addr,PTSPEC_BODY pTSPEC,PQOS_TCLAS pTCLAS,u8 TCLAS_Num,u8 TCLAS_Proc)312 void MakeTSEntry(
313 PTS_COMMON_INFO pTsCommonInfo,
314 u8* Addr,
315 PTSPEC_BODY pTSPEC,
316 PQOS_TCLAS pTCLAS,
317 u8 TCLAS_Num,
318 u8 TCLAS_Proc
319 )
320 {
321 u8 count;
322
323 if(pTsCommonInfo == NULL)
324 return;
325
326 memcpy(pTsCommonInfo->Addr, Addr, 6);
327
328 if(pTSPEC != NULL)
329 memcpy((u8*)(&(pTsCommonInfo->TSpec)), (u8*)pTSPEC, sizeof(TSPEC_BODY));
330
331 for(count = 0; count < TCLAS_Num; count++)
332 memcpy((u8*)(&(pTsCommonInfo->TClass[count])), (u8*)pTCLAS, sizeof(QOS_TCLAS));
333
334 pTsCommonInfo->TClasProc = TCLAS_Proc;
335 pTsCommonInfo->TClasNum = TCLAS_Num;
336 }
337
338
GetTs(struct ieee80211_device * ieee,PTS_COMMON_INFO * ppTS,u8 * Addr,u8 TID,TR_SELECT TxRxSelect,bool bAddNewTs)339 bool GetTs(
340 struct ieee80211_device* ieee,
341 PTS_COMMON_INFO *ppTS,
342 u8* Addr,
343 u8 TID,
344 TR_SELECT TxRxSelect, //Rx:1, Tx:0
345 bool bAddNewTs
346 )
347 {
348 u8 UP = 0;
349 //
350 // We do not build any TS for Broadcast or Multicast stream.
351 // So reject these kinds of search here.
352 //
353 if(is_broadcast_ether_addr(Addr) || is_multicast_ether_addr(Addr))
354 {
355 IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
356 return false;
357 }
358
359 if (ieee->current_network.qos_data.supported == 0)
360 UP = 0;
361 else
362 {
363 // In WMM case: we use 4 TID only
364 if (!IsACValid(TID))
365 {
366 IEEE80211_DEBUG(IEEE80211_DL_ERR, " in %s(), TID(%d) is not valid\n", __FUNCTION__, TID);
367 return false;
368 }
369
370 switch(TID)
371 {
372 case 0:
373 case 3:
374 UP = 0;
375 break;
376
377 case 1:
378 case 2:
379 UP = 2;
380 break;
381
382 case 4:
383 case 5:
384 UP = 5;
385 break;
386
387 case 6:
388 case 7:
389 UP = 7;
390 break;
391 }
392 }
393
394 *ppTS = SearchAdmitTRStream(
395 ieee,
396 Addr,
397 UP,
398 TxRxSelect);
399 if(*ppTS != NULL)
400 {
401 return true;
402 }
403 else
404 {
405 if(bAddNewTs == false)
406 {
407 IEEE80211_DEBUG(IEEE80211_DL_TS, "add new TS failed(tid:%d)\n", UP);
408 return false;
409 }
410 else
411 {
412 //
413 // Create a new Traffic stream for current Tx/Rx
414 // This is for EDCA and WMM to add a new TS.
415 // For HCCA or WMMSA, TS cannot be addmit without negotiation.
416 //
417 TSPEC_BODY TSpec;
418 PQOS_TSINFO pTSInfo = &TSpec.f.TSInfo;
419 struct list_head* pUnusedList =
420 (TxRxSelect == TX_DIR)?
421 (&ieee->Tx_TS_Unused_List):
422 (&ieee->Rx_TS_Unused_List);
423
424 struct list_head* pAddmitList =
425 (TxRxSelect == TX_DIR)?
426 (&ieee->Tx_TS_Admit_List):
427 (&ieee->Rx_TS_Admit_List);
428
429 DIRECTION_VALUE Dir = (ieee->iw_mode == IW_MODE_MASTER)?
430 ((TxRxSelect==TX_DIR)?DIR_DOWN:DIR_UP):
431 ((TxRxSelect==TX_DIR)?DIR_UP:DIR_DOWN);
432 IEEE80211_DEBUG(IEEE80211_DL_TS, "to add Ts\n");
433 if(!list_empty(pUnusedList))
434 {
435 (*ppTS) = list_entry(pUnusedList->next, TS_COMMON_INFO, List);
436 list_del_init(&(*ppTS)->List);
437 if(TxRxSelect==TX_DIR)
438 {
439 PTX_TS_RECORD tmp = container_of(*ppTS, TX_TS_RECORD, TsCommonInfo);
440 ResetTxTsEntry(tmp);
441 }
442 else{
443 PRX_TS_RECORD tmp = container_of(*ppTS, RX_TS_RECORD, TsCommonInfo);
444 ResetRxTsEntry(tmp);
445 }
446
447 IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
448 // Prepare TS Info releated field
449 pTSInfo->field.ucTrafficType = 0; // Traffic type: WMM is reserved in this field
450 pTSInfo->field.ucTSID = UP; // TSID
451 pTSInfo->field.ucDirection = Dir; // Direction: if there is DirectLink, this need additional consideration.
452 pTSInfo->field.ucAccessPolicy = 1; // Access policy
453 pTSInfo->field.ucAggregation = 0; // Aggregation
454 pTSInfo->field.ucPSB = 0; // Aggregation
455 pTSInfo->field.ucUP = UP; // User priority
456 pTSInfo->field.ucTSInfoAckPolicy = 0; // Ack policy
457 pTSInfo->field.ucSchedule = 0; // Schedule
458
459 MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
460 AdmitTS(ieee, *ppTS, 0);
461 list_add_tail(&((*ppTS)->List), pAddmitList);
462 // if there is DirectLink, we need to do additional operation here!!
463
464 return true;
465 }
466 else
467 {
468 IEEE80211_DEBUG(IEEE80211_DL_ERR, "in function %s() There is not enough TS record to be used!!", __FUNCTION__);
469 return false;
470 }
471 }
472 }
473 }
474
RemoveTsEntry(struct ieee80211_device * ieee,PTS_COMMON_INFO pTs,TR_SELECT TxRxSelect)475 void RemoveTsEntry(
476 struct ieee80211_device* ieee,
477 PTS_COMMON_INFO pTs,
478 TR_SELECT TxRxSelect
479 )
480 {
481 //u32 flags = 0;
482 unsigned long flags = 0;
483 del_timer_sync(&pTs->SetupTimer);
484 del_timer_sync(&pTs->InactTimer);
485 TsInitDelBA(ieee, pTs, TxRxSelect);
486
487 if(TxRxSelect == RX_DIR)
488 {
489 //#ifdef TO_DO_LIST
490 PRX_REORDER_ENTRY pRxReorderEntry;
491 PRX_TS_RECORD pRxTS = (PRX_TS_RECORD)pTs;
492 if(timer_pending(&pRxTS->RxPktPendingTimer))
493 del_timer_sync(&pRxTS->RxPktPendingTimer);
494
495 while(!list_empty(&pRxTS->RxPendingPktList))
496 {
497 // PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
498 spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
499 //pRxReorderEntry = list_entry(&pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
500 pRxReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
501 list_del_init(&pRxReorderEntry->List);
502 {
503 int i = 0;
504 struct ieee80211_rxb * prxb = pRxReorderEntry->prxb;
505 if (unlikely(!prxb))
506 {
507 spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
508 return;
509 }
510 for(i =0; i < prxb->nr_subframes; i++) {
511 dev_kfree_skb(prxb->subframes[i]);
512 }
513 kfree(prxb);
514 prxb = NULL;
515 }
516 list_add_tail(&pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
517 //PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
518 spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
519 }
520
521 //#endif
522 }
523 else
524 {
525 PTX_TS_RECORD pTxTS = (PTX_TS_RECORD)pTs;
526 del_timer_sync(&pTxTS->TsAddBaTimer);
527 }
528 }
529
RemovePeerTS(struct ieee80211_device * ieee,u8 * Addr)530 void RemovePeerTS(struct ieee80211_device* ieee, u8* Addr)
531 {
532 PTS_COMMON_INFO pTS, pTmpTS;
533
534 printk("===========>RemovePeerTS,%pM\n", Addr);
535 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
536 {
537 if (memcmp(pTS->Addr, Addr, 6) == 0)
538 {
539 RemoveTsEntry(ieee, pTS, TX_DIR);
540 list_del_init(&pTS->List);
541 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
542 }
543 }
544
545 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
546 {
547 if (memcmp(pTS->Addr, Addr, 6) == 0)
548 {
549 printk("====>remove Tx_TS_admin_list\n");
550 RemoveTsEntry(ieee, pTS, TX_DIR);
551 list_del_init(&pTS->List);
552 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
553 }
554 }
555
556 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
557 {
558 if (memcmp(pTS->Addr, Addr, 6) == 0)
559 {
560 RemoveTsEntry(ieee, pTS, RX_DIR);
561 list_del_init(&pTS->List);
562 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
563 }
564 }
565
566 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
567 {
568 if (memcmp(pTS->Addr, Addr, 6) == 0)
569 {
570 RemoveTsEntry(ieee, pTS, RX_DIR);
571 list_del_init(&pTS->List);
572 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
573 }
574 }
575 }
576
RemoveAllTS(struct ieee80211_device * ieee)577 void RemoveAllTS(struct ieee80211_device* ieee)
578 {
579 PTS_COMMON_INFO pTS, pTmpTS;
580
581 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
582 {
583 RemoveTsEntry(ieee, pTS, TX_DIR);
584 list_del_init(&pTS->List);
585 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
586 }
587
588 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
589 {
590 RemoveTsEntry(ieee, pTS, TX_DIR);
591 list_del_init(&pTS->List);
592 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
593 }
594
595 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
596 {
597 RemoveTsEntry(ieee, pTS, RX_DIR);
598 list_del_init(&pTS->List);
599 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
600 }
601
602 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
603 {
604 RemoveTsEntry(ieee, pTS, RX_DIR);
605 list_del_init(&pTS->List);
606 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
607 }
608 }
609
TsStartAddBaProcess(struct ieee80211_device * ieee,PTX_TS_RECORD pTxTS)610 void TsStartAddBaProcess(struct ieee80211_device* ieee, PTX_TS_RECORD pTxTS)
611 {
612 if(pTxTS->bAddBaReqInProgress == false)
613 {
614 pTxTS->bAddBaReqInProgress = true;
615 if(pTxTS->bAddBaReqDelayed)
616 {
617 IEEE80211_DEBUG(IEEE80211_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
618 mod_timer(&pTxTS->TsAddBaTimer, jiffies + MSECS(TS_ADDBA_DELAY));
619 }
620 else
621 {
622 IEEE80211_DEBUG(IEEE80211_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
623 mod_timer(&pTxTS->TsAddBaTimer, jiffies+10); //set 10 ticks
624 }
625 }
626 else
627 IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __FUNCTION__);
628 }
629