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 static 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 static 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 static 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",__func__);
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 static 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 static 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 static 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 static 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", __func__);
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 static void AdmitTS(struct ieee80211_device *ieee,
228 PTS_COMMON_INFO pTsCommonInfo, u32 InactTime)
229 {
230 del_timer_sync(&pTsCommonInfo->SetupTimer);
231 del_timer_sync(&pTsCommonInfo->InactTimer);
232
233 if(InactTime!=0)
234 mod_timer(&pTsCommonInfo->InactTimer, jiffies + MSECS(InactTime));
235 }
236
237
SearchAdmitTRStream(struct ieee80211_device * ieee,u8 * Addr,u8 TID,TR_SELECT TxRxSelect)238 static PTS_COMMON_INFO SearchAdmitTRStream(struct ieee80211_device *ieee,
239 u8 *Addr, u8 TID,
240 TR_SELECT TxRxSelect)
241 {
242 //DIRECTION_VALUE dir;
243 u8 dir;
244 bool search_dir[4] = {0, 0, 0, 0};
245 struct list_head *psearch_list; //FIXME
246 PTS_COMMON_INFO pRet = NULL;
247 if(ieee->iw_mode == IW_MODE_MASTER) //ap mode
248 {
249 if(TxRxSelect == TX_DIR)
250 {
251 search_dir[DIR_DOWN] = true;
252 search_dir[DIR_BI_DIR]= true;
253 }
254 else
255 {
256 search_dir[DIR_UP] = true;
257 search_dir[DIR_BI_DIR]= true;
258 }
259 }
260 else if(ieee->iw_mode == IW_MODE_ADHOC)
261 {
262 if(TxRxSelect == TX_DIR)
263 search_dir[DIR_UP] = true;
264 else
265 search_dir[DIR_DOWN] = true;
266 }
267 else
268 {
269 if(TxRxSelect == TX_DIR)
270 {
271 search_dir[DIR_UP] = true;
272 search_dir[DIR_BI_DIR]= true;
273 search_dir[DIR_DIRECT]= true;
274 }
275 else
276 {
277 search_dir[DIR_DOWN] = true;
278 search_dir[DIR_BI_DIR]= true;
279 search_dir[DIR_DIRECT]= true;
280 }
281 }
282
283 if(TxRxSelect == TX_DIR)
284 psearch_list = &ieee->Tx_TS_Admit_List;
285 else
286 psearch_list = &ieee->Rx_TS_Admit_List;
287
288 //for(dir = DIR_UP; dir <= DIR_BI_DIR; dir++)
289 for(dir = 0; dir <= DIR_BI_DIR; dir++)
290 {
291 if(search_dir[dir] ==false )
292 continue;
293 list_for_each_entry(pRet, psearch_list, List){
294 // 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);
295 if (memcmp(pRet->Addr, Addr, 6) == 0)
296 if (pRet->TSpec.f.TSInfo.field.ucTSID == TID)
297 if(pRet->TSpec.f.TSInfo.field.ucDirection == dir)
298 {
299 // printk("Bingo! got it\n");
300 break;
301 }
302
303 }
304 if(&pRet->List != psearch_list)
305 break;
306 }
307
308 if(&pRet->List != psearch_list){
309 return pRet ;
310 }
311 else
312 return NULL;
313 }
314
MakeTSEntry(PTS_COMMON_INFO pTsCommonInfo,u8 * Addr,PTSPEC_BODY pTSPEC,PQOS_TCLAS pTCLAS,u8 TCLAS_Num,u8 TCLAS_Proc)315 static void MakeTSEntry(PTS_COMMON_INFO pTsCommonInfo, u8 *Addr,
316 PTSPEC_BODY pTSPEC, PQOS_TCLAS pTCLAS, u8 TCLAS_Num,
317 u8 TCLAS_Proc)
318 {
319 u8 count;
320
321 if(pTsCommonInfo == NULL)
322 return;
323
324 memcpy(pTsCommonInfo->Addr, Addr, 6);
325
326 if(pTSPEC != NULL)
327 memcpy((u8 *)(&(pTsCommonInfo->TSpec)), (u8 *)pTSPEC, sizeof(TSPEC_BODY));
328
329 for(count = 0; count < TCLAS_Num; count++)
330 memcpy((u8 *)(&(pTsCommonInfo->TClass[count])), (u8 *)pTCLAS, sizeof(QOS_TCLAS));
331
332 pTsCommonInfo->TClasProc = TCLAS_Proc;
333 pTsCommonInfo->TClasNum = TCLAS_Num;
334 }
335
336
GetTs(struct ieee80211_device * ieee,PTS_COMMON_INFO * ppTS,u8 * Addr,u8 TID,TR_SELECT TxRxSelect,bool bAddNewTs)337 bool GetTs(
338 struct ieee80211_device *ieee,
339 PTS_COMMON_INFO *ppTS,
340 u8 *Addr,
341 u8 TID,
342 TR_SELECT TxRxSelect, //Rx:1, Tx:0
343 bool bAddNewTs
344 )
345 {
346 u8 UP = 0;
347 //
348 // We do not build any TS for Broadcast or Multicast stream.
349 // So reject these kinds of search here.
350 //
351 if (is_multicast_ether_addr(Addr))
352 {
353 IEEE80211_DEBUG(IEEE80211_DL_ERR, "get TS for Broadcast or Multicast\n");
354 return false;
355 }
356
357 if (ieee->current_network.qos_data.supported == 0)
358 UP = 0;
359 else
360 {
361 // In WMM case: we use 4 TID only
362 if (!IsACValid(TID))
363 {
364 IEEE80211_DEBUG(IEEE80211_DL_ERR, " in %s(), TID(%d) is not valid\n", __func__, TID);
365 return false;
366 }
367
368 switch (TID)
369 {
370 case 0:
371 case 3:
372 UP = 0;
373 break;
374
375 case 1:
376 case 2:
377 UP = 2;
378 break;
379
380 case 4:
381 case 5:
382 UP = 5;
383 break;
384
385 case 6:
386 case 7:
387 UP = 7;
388 break;
389 }
390 }
391
392 *ppTS = SearchAdmitTRStream(
393 ieee,
394 Addr,
395 UP,
396 TxRxSelect);
397 if(*ppTS != NULL)
398 {
399 return true;
400 }
401 else
402 {
403 if(bAddNewTs == false)
404 {
405 IEEE80211_DEBUG(IEEE80211_DL_TS, "add new TS failed(tid:%d)\n", UP);
406 return false;
407 }
408 else
409 {
410 //
411 // Create a new Traffic stream for current Tx/Rx
412 // This is for EDCA and WMM to add a new TS.
413 // For HCCA or WMMSA, TS cannot be addmit without negotiation.
414 //
415 TSPEC_BODY TSpec;
416 PQOS_TSINFO pTSInfo = &TSpec.f.TSInfo;
417 struct list_head *pUnusedList =
418 (TxRxSelect == TX_DIR)?
419 (&ieee->Tx_TS_Unused_List):
420 (&ieee->Rx_TS_Unused_List);
421
422 struct list_head *pAddmitList =
423 (TxRxSelect == TX_DIR)?
424 (&ieee->Tx_TS_Admit_List):
425 (&ieee->Rx_TS_Admit_List);
426
427 DIRECTION_VALUE Dir = (ieee->iw_mode == IW_MODE_MASTER)?
428 ((TxRxSelect==TX_DIR)?DIR_DOWN:DIR_UP):
429 ((TxRxSelect==TX_DIR)?DIR_UP:DIR_DOWN);
430 IEEE80211_DEBUG(IEEE80211_DL_TS, "to add Ts\n");
431 if(!list_empty(pUnusedList))
432 {
433 (*ppTS) = list_entry(pUnusedList->next, TS_COMMON_INFO, List);
434 list_del_init(&(*ppTS)->List);
435 if(TxRxSelect==TX_DIR)
436 {
437 PTX_TS_RECORD tmp = container_of(*ppTS, TX_TS_RECORD, TsCommonInfo);
438 ResetTxTsEntry(tmp);
439 }
440 else{
441 PRX_TS_RECORD tmp = container_of(*ppTS, RX_TS_RECORD, TsCommonInfo);
442 ResetRxTsEntry(tmp);
443 }
444
445 IEEE80211_DEBUG(IEEE80211_DL_TS, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP, Dir, Addr);
446 // Prepare TS Info releated field
447 pTSInfo->field.ucTrafficType = 0; // Traffic type: WMM is reserved in this field
448 pTSInfo->field.ucTSID = UP; // TSID
449 pTSInfo->field.ucDirection = Dir; // Direction: if there is DirectLink, this need additional consideration.
450 pTSInfo->field.ucAccessPolicy = 1; // Access policy
451 pTSInfo->field.ucAggregation = 0; // Aggregation
452 pTSInfo->field.ucPSB = 0; // Aggregation
453 pTSInfo->field.ucUP = UP; // User priority
454 pTSInfo->field.ucTSInfoAckPolicy = 0; // Ack policy
455 pTSInfo->field.ucSchedule = 0; // Schedule
456
457 MakeTSEntry(*ppTS, Addr, &TSpec, NULL, 0, 0);
458 AdmitTS(ieee, *ppTS, 0);
459 list_add_tail(&((*ppTS)->List), pAddmitList);
460 // if there is DirectLink, we need to do additional operation here!!
461
462 return true;
463 }
464 else
465 {
466 IEEE80211_DEBUG(IEEE80211_DL_ERR, "in function %s() There is not enough TS record to be used!!", __func__);
467 return false;
468 }
469 }
470 }
471 }
472
RemoveTsEntry(struct ieee80211_device * ieee,PTS_COMMON_INFO pTs,TR_SELECT TxRxSelect)473 static void RemoveTsEntry(struct ieee80211_device *ieee, PTS_COMMON_INFO pTs,
474 TR_SELECT TxRxSelect)
475 {
476 //u32 flags = 0;
477 unsigned long flags = 0;
478 del_timer_sync(&pTs->SetupTimer);
479 del_timer_sync(&pTs->InactTimer);
480 TsInitDelBA(ieee, pTs, TxRxSelect);
481
482 if(TxRxSelect == RX_DIR)
483 {
484 //#ifdef TO_DO_LIST
485 PRX_REORDER_ENTRY pRxReorderEntry;
486 PRX_TS_RECORD pRxTS = (PRX_TS_RECORD)pTs;
487 if(timer_pending(&pRxTS->RxPktPendingTimer))
488 del_timer_sync(&pRxTS->RxPktPendingTimer);
489
490 while(!list_empty(&pRxTS->RxPendingPktList))
491 {
492 // PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
493 spin_lock_irqsave(&(ieee->reorder_spinlock), flags);
494 //pRxReorderEntry = list_entry(&pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
495 pRxReorderEntry = (PRX_REORDER_ENTRY)list_entry(pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
496 list_del_init(&pRxReorderEntry->List);
497 {
498 int i = 0;
499 struct ieee80211_rxb *prxb = pRxReorderEntry->prxb;
500 if (unlikely(!prxb))
501 {
502 spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
503 return;
504 }
505 for(i =0; i < prxb->nr_subframes; i++) {
506 dev_kfree_skb(prxb->subframes[i]);
507 }
508 kfree(prxb);
509 prxb = NULL;
510 }
511 list_add_tail(&pRxReorderEntry->List,&ieee->RxReorder_Unused_List);
512 //PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
513 spin_unlock_irqrestore(&(ieee->reorder_spinlock), flags);
514 }
515
516 //#endif
517 }
518 else
519 {
520 PTX_TS_RECORD pTxTS = (PTX_TS_RECORD)pTs;
521 del_timer_sync(&pTxTS->TsAddBaTimer);
522 }
523 }
524
RemovePeerTS(struct ieee80211_device * ieee,u8 * Addr)525 void RemovePeerTS(struct ieee80211_device *ieee, u8 *Addr)
526 {
527 PTS_COMMON_INFO pTS, pTmpTS;
528
529 printk("===========>RemovePeerTS,%pM\n", Addr);
530 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
531 {
532 if (memcmp(pTS->Addr, Addr, 6) == 0)
533 {
534 RemoveTsEntry(ieee, pTS, TX_DIR);
535 list_del_init(&pTS->List);
536 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
537 }
538 }
539
540 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
541 {
542 if (memcmp(pTS->Addr, Addr, 6) == 0)
543 {
544 printk("====>remove Tx_TS_admin_list\n");
545 RemoveTsEntry(ieee, pTS, TX_DIR);
546 list_del_init(&pTS->List);
547 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
548 }
549 }
550
551 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
552 {
553 if (memcmp(pTS->Addr, Addr, 6) == 0)
554 {
555 RemoveTsEntry(ieee, pTS, RX_DIR);
556 list_del_init(&pTS->List);
557 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
558 }
559 }
560
561 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
562 {
563 if (memcmp(pTS->Addr, Addr, 6) == 0)
564 {
565 RemoveTsEntry(ieee, pTS, RX_DIR);
566 list_del_init(&pTS->List);
567 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
568 }
569 }
570 }
571
RemoveAllTS(struct ieee80211_device * ieee)572 void RemoveAllTS(struct ieee80211_device *ieee)
573 {
574 PTS_COMMON_INFO pTS, pTmpTS;
575
576 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Pending_List, List)
577 {
578 RemoveTsEntry(ieee, pTS, TX_DIR);
579 list_del_init(&pTS->List);
580 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
581 }
582
583 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Tx_TS_Admit_List, List)
584 {
585 RemoveTsEntry(ieee, pTS, TX_DIR);
586 list_del_init(&pTS->List);
587 list_add_tail(&pTS->List, &ieee->Tx_TS_Unused_List);
588 }
589
590 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Pending_List, List)
591 {
592 RemoveTsEntry(ieee, pTS, RX_DIR);
593 list_del_init(&pTS->List);
594 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
595 }
596
597 list_for_each_entry_safe(pTS, pTmpTS, &ieee->Rx_TS_Admit_List, List)
598 {
599 RemoveTsEntry(ieee, pTS, RX_DIR);
600 list_del_init(&pTS->List);
601 list_add_tail(&pTS->List, &ieee->Rx_TS_Unused_List);
602 }
603 }
604
TsStartAddBaProcess(struct ieee80211_device * ieee,PTX_TS_RECORD pTxTS)605 void TsStartAddBaProcess(struct ieee80211_device *ieee, PTX_TS_RECORD pTxTS)
606 {
607 if(pTxTS->bAddBaReqInProgress == false)
608 {
609 pTxTS->bAddBaReqInProgress = true;
610 if(pTxTS->bAddBaReqDelayed)
611 {
612 IEEE80211_DEBUG(IEEE80211_DL_BA, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
613 mod_timer(&pTxTS->TsAddBaTimer, jiffies + MSECS(TS_ADDBA_DELAY));
614 }
615 else
616 {
617 IEEE80211_DEBUG(IEEE80211_DL_BA,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
618 mod_timer(&pTxTS->TsAddBaTimer, jiffies+10); //set 10 ticks
619 }
620 }
621 else
622 IEEE80211_DEBUG(IEEE80211_DL_ERR, "%s()==>BA timer is already added\n", __func__);
623 }
624