2 #include <linux/etherdevice.h>
3 #include <linux/slab.h>
4 #include "rtl819x_TS.h"
6 void TsSetupTimeOut(unsigned long data
)
9 // This is used for WMMSA and ACM , that would send ADDTSReq frame.
12 void TsInactTimeout(unsigned long data
)
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.
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
24 ********************************************************************************************************************/
26 void RxPktPendingTimeout(unsigned long data
)
28 PRX_TS_RECORD pRxTs
= (PRX_TS_RECORD
)data
;
29 struct ieee80211_device
*ieee
= container_of(pRxTs
, struct ieee80211_device
, RxTsRecord
[pRxTs
->num
]);
31 PRX_REORDER_ENTRY pReorderEntry
= NULL
;
34 unsigned long flags
= 0;
35 struct ieee80211_rxb
*stats_IndicateArray
[REORDER_WIN_SIZE
];
37 bool bPktInBuf
= false;
40 spin_lock_irqsave(&(ieee
->reorder_spinlock
), flags
);
41 //PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
42 IEEE80211_DEBUG(IEEE80211_DL_REORDER
,"==================>%s()\n",__FUNCTION__
);
43 if(pRxTs
->RxTimeoutIndicateSeq
!= 0xffff)
45 // Indicate the pending packets sequentially according to SeqNum until meet the gap.
46 while(!list_empty(&pRxTs
->RxPendingPktList
))
48 pReorderEntry
= (PRX_REORDER_ENTRY
)list_entry(pRxTs
->RxPendingPktList
.prev
,RX_REORDER_ENTRY
,List
);
50 pRxTs
->RxIndicateSeq
= pReorderEntry
->SeqNum
;
52 if( SN_LESS(pReorderEntry
->SeqNum
, pRxTs
->RxIndicateSeq
) ||
53 SN_EQUAL(pReorderEntry
->SeqNum
, pRxTs
->RxIndicateSeq
) )
55 list_del_init(&pReorderEntry
->List
);
57 if(SN_EQUAL(pReorderEntry
->SeqNum
, pRxTs
->RxIndicateSeq
))
58 pRxTs
->RxIndicateSeq
= (pRxTs
->RxIndicateSeq
+ 1) % 4096;
60 IEEE80211_DEBUG(IEEE80211_DL_REORDER
,"RxPktPendingTimeout(): IndicateSeq: %d\n", pReorderEntry
->SeqNum
);
61 stats_IndicateArray
[index
] = pReorderEntry
->prxb
;
64 list_add_tail(&pReorderEntry
->List
, &ieee
->RxReorder_Unused_List
);
76 // Set RxTimeoutIndicateSeq to 0xffff to indicate no pending packets in buffer now.
77 pRxTs
->RxTimeoutIndicateSeq
= 0xffff;
80 if(index
> REORDER_WIN_SIZE
){
81 IEEE80211_DEBUG(IEEE80211_DL_ERR
, "RxReorderIndicatePacket(): Rx Reorer buffer full!! \n");
82 spin_unlock_irqrestore(&(ieee
->reorder_spinlock
), flags
);
85 ieee80211_indicate_packets(ieee
, stats_IndicateArray
, index
);
90 if(bPktInBuf
&& (pRxTs
->RxTimeoutIndicateSeq
==0xffff))
92 pRxTs
->RxTimeoutIndicateSeq
= pRxTs
->RxIndicateSeq
;
93 mod_timer(&pRxTs
->RxPktPendingTimer
, jiffies
+ MSECS(ieee
->pHTInfo
->RxReorderPendingTime
));
95 spin_unlock_irqrestore(&(ieee
->reorder_spinlock
), flags
);
96 //PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
100 /********************************************************************************************************************
101 *function: Add BA timer function
102 * input: unsigned long data //acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer
105 ********************************************************************************************************************/
106 void TsAddBaProcess(unsigned long data
)
108 PTX_TS_RECORD pTxTs
= (PTX_TS_RECORD
)data
;
110 struct ieee80211_device
*ieee
= container_of(pTxTs
, struct ieee80211_device
, TxTsRecord
[num
]);
112 TsInitAddBA(ieee
, pTxTs
, BA_POLICY_IMMEDIATE
, false);
113 IEEE80211_DEBUG(IEEE80211_DL_BA
, "TsAddBaProcess(): ADDBA Req is started!! \n");
117 void ResetTsCommonInfo(PTS_COMMON_INFO pTsCommonInfo
)
119 memset(pTsCommonInfo
->Addr
, 0, 6);
120 memset(&pTsCommonInfo
->TSpec
, 0, sizeof(TSPEC_BODY
));
121 memset(&pTsCommonInfo
->TClass
, 0, sizeof(QOS_TCLAS
)*TCLAS_NUM
);
122 pTsCommonInfo
->TClasProc
= 0;
123 pTsCommonInfo
->TClasNum
= 0;
126 void ResetTxTsEntry(PTX_TS_RECORD pTS
)
128 ResetTsCommonInfo(&pTS
->TsCommonInfo
);
130 pTS
->bAddBaReqInProgress
= false;
131 pTS
->bAddBaReqDelayed
= false;
132 pTS
->bUsingBa
= false;
133 ResetBaEntry(&pTS
->TxAdmittedBARecord
); //For BA Originator
134 ResetBaEntry(&pTS
->TxPendingBARecord
);
137 void ResetRxTsEntry(PRX_TS_RECORD pTS
)
139 ResetTsCommonInfo(&pTS
->TsCommonInfo
);
140 pTS
->RxIndicateSeq
= 0xffff; // This indicate the RxIndicateSeq is not used now!!
141 pTS
->RxTimeoutIndicateSeq
= 0xffff; // This indicate the RxTimeoutIndicateSeq is not used now!!
142 ResetBaEntry(&pTS
->RxAdmittedBARecord
); // For BA Recepient
145 void TSInitialize(struct ieee80211_device
*ieee
)
147 PTX_TS_RECORD pTxTS
= ieee
->TxTsRecord
;
148 PRX_TS_RECORD pRxTS
= ieee
->RxTsRecord
;
149 PRX_REORDER_ENTRY pRxReorderEntry
= ieee
->RxReorderEntry
;
151 IEEE80211_DEBUG(IEEE80211_DL_TS
, "==========>%s()\n", __FUNCTION__
);
152 // Initialize Tx TS related info.
153 INIT_LIST_HEAD(&ieee
->Tx_TS_Admit_List
);
154 INIT_LIST_HEAD(&ieee
->Tx_TS_Pending_List
);
155 INIT_LIST_HEAD(&ieee
->Tx_TS_Unused_List
);
157 for(count
= 0; count
< TOTAL_TS_NUM
; count
++)
161 // The timers for the operation of Traffic Stream and Block Ack.
162 // DLS related timer will be add here in the future!!
163 init_timer(&pTxTS
->TsCommonInfo
.SetupTimer
);
164 pTxTS
->TsCommonInfo
.SetupTimer
.data
= (unsigned long)pTxTS
;
165 pTxTS
->TsCommonInfo
.SetupTimer
.function
= TsSetupTimeOut
;
167 init_timer(&pTxTS
->TsCommonInfo
.InactTimer
);
168 pTxTS
->TsCommonInfo
.InactTimer
.data
= (unsigned long)pTxTS
;
169 pTxTS
->TsCommonInfo
.InactTimer
.function
= TsInactTimeout
;
171 init_timer(&pTxTS
->TsAddBaTimer
);
172 pTxTS
->TsAddBaTimer
.data
= (unsigned long)pTxTS
;
173 pTxTS
->TsAddBaTimer
.function
= TsAddBaProcess
;
175 init_timer(&pTxTS
->TxPendingBARecord
.Timer
);
176 pTxTS
->TxPendingBARecord
.Timer
.data
= (unsigned long)pTxTS
;
177 pTxTS
->TxPendingBARecord
.Timer
.function
= BaSetupTimeOut
;
179 init_timer(&pTxTS
->TxAdmittedBARecord
.Timer
);
180 pTxTS
->TxAdmittedBARecord
.Timer
.data
= (unsigned long)pTxTS
;
181 pTxTS
->TxAdmittedBARecord
.Timer
.function
= TxBaInactTimeout
;
183 ResetTxTsEntry(pTxTS
);
184 list_add_tail(&pTxTS
->TsCommonInfo
.List
, &ieee
->Tx_TS_Unused_List
);
188 // Initialize Rx TS related info.
189 INIT_LIST_HEAD(&ieee
->Rx_TS_Admit_List
);
190 INIT_LIST_HEAD(&ieee
->Rx_TS_Pending_List
);
191 INIT_LIST_HEAD(&ieee
->Rx_TS_Unused_List
);
192 for(count
= 0; count
< TOTAL_TS_NUM
; count
++)
195 INIT_LIST_HEAD(&pRxTS
->RxPendingPktList
);
197 init_timer(&pRxTS
->TsCommonInfo
.SetupTimer
);
198 pRxTS
->TsCommonInfo
.SetupTimer
.data
= (unsigned long)pRxTS
;
199 pRxTS
->TsCommonInfo
.SetupTimer
.function
= TsSetupTimeOut
;
201 init_timer(&pRxTS
->TsCommonInfo
.InactTimer
);
202 pRxTS
->TsCommonInfo
.InactTimer
.data
= (unsigned long)pRxTS
;
203 pRxTS
->TsCommonInfo
.InactTimer
.function
= TsInactTimeout
;
205 init_timer(&pRxTS
->RxAdmittedBARecord
.Timer
);
206 pRxTS
->RxAdmittedBARecord
.Timer
.data
= (unsigned long)pRxTS
;
207 pRxTS
->RxAdmittedBARecord
.Timer
.function
= RxBaInactTimeout
;
209 init_timer(&pRxTS
->RxPktPendingTimer
);
210 pRxTS
->RxPktPendingTimer
.data
= (unsigned long)pRxTS
;
211 pRxTS
->RxPktPendingTimer
.function
= RxPktPendingTimeout
;
213 ResetRxTsEntry(pRxTS
);
214 list_add_tail(&pRxTS
->TsCommonInfo
.List
, &ieee
->Rx_TS_Unused_List
);
217 // Initialize unused Rx Reorder List.
218 INIT_LIST_HEAD(&ieee
->RxReorder_Unused_List
);
220 for(count
= 0; count
< REORDER_ENTRY_NUM
; count
++)
222 list_add_tail( &pRxReorderEntry
->List
,&ieee
->RxReorder_Unused_List
);
223 if(count
== (REORDER_ENTRY_NUM
-1))
225 pRxReorderEntry
= &ieee
->RxReorderEntry
[count
+1];
231 void AdmitTS(struct ieee80211_device
*ieee
, PTS_COMMON_INFO pTsCommonInfo
, u32 InactTime
)
233 del_timer_sync(&pTsCommonInfo
->SetupTimer
);
234 del_timer_sync(&pTsCommonInfo
->InactTimer
);
237 mod_timer(&pTsCommonInfo
->InactTimer
, jiffies
+ MSECS(InactTime
));
241 PTS_COMMON_INFO
SearchAdmitTRStream(struct ieee80211_device
*ieee
, u8
* Addr
, u8 TID
, TR_SELECT TxRxSelect
)
243 //DIRECTION_VALUE dir;
245 bool search_dir
[4] = {0, 0, 0, 0};
246 struct list_head
* psearch_list
; //FIXME
247 PTS_COMMON_INFO pRet
= NULL
;
248 if(ieee
->iw_mode
== IW_MODE_MASTER
) //ap mode
250 if(TxRxSelect
== TX_DIR
)
252 search_dir
[DIR_DOWN
] = true;
253 search_dir
[DIR_BI_DIR
]= true;
257 search_dir
[DIR_UP
] = true;
258 search_dir
[DIR_BI_DIR
]= true;
261 else if(ieee
->iw_mode
== IW_MODE_ADHOC
)
263 if(TxRxSelect
== TX_DIR
)
264 search_dir
[DIR_UP
] = true;
266 search_dir
[DIR_DOWN
] = true;
270 if(TxRxSelect
== TX_DIR
)
272 search_dir
[DIR_UP
] = true;
273 search_dir
[DIR_BI_DIR
]= true;
274 search_dir
[DIR_DIRECT
]= true;
278 search_dir
[DIR_DOWN
] = true;
279 search_dir
[DIR_BI_DIR
]= true;
280 search_dir
[DIR_DIRECT
]= true;
284 if(TxRxSelect
== TX_DIR
)
285 psearch_list
= &ieee
->Tx_TS_Admit_List
;
287 psearch_list
= &ieee
->Rx_TS_Admit_List
;
289 //for(dir = DIR_UP; dir <= DIR_BI_DIR; dir++)
290 for(dir
= 0; dir
<= DIR_BI_DIR
; dir
++)
292 if(search_dir
[dir
] ==false )
294 list_for_each_entry(pRet
, psearch_list
, List
){
295 // 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);
296 if (memcmp(pRet
->Addr
, Addr
, 6) == 0)
297 if (pRet
->TSpec
.f
.TSInfo
.field
.ucTSID
== TID
)
298 if(pRet
->TSpec
.f
.TSInfo
.field
.ucDirection
== dir
)
300 // printk("Bingo! got it\n");
305 if(&pRet
->List
!= psearch_list
)
309 if(&pRet
->List
!= psearch_list
){
317 PTS_COMMON_INFO pTsCommonInfo
,
327 if(pTsCommonInfo
== NULL
)
330 memcpy(pTsCommonInfo
->Addr
, Addr
, 6);
333 memcpy((u8
*)(&(pTsCommonInfo
->TSpec
)), (u8
*)pTSPEC
, sizeof(TSPEC_BODY
));
335 for(count
= 0; count
< TCLAS_Num
; count
++)
336 memcpy((u8
*)(&(pTsCommonInfo
->TClass
[count
])), (u8
*)pTCLAS
, sizeof(QOS_TCLAS
));
338 pTsCommonInfo
->TClasProc
= TCLAS_Proc
;
339 pTsCommonInfo
->TClasNum
= TCLAS_Num
;
344 struct ieee80211_device
* ieee
,
345 PTS_COMMON_INFO
*ppTS
,
348 TR_SELECT TxRxSelect
, //Rx:1, Tx:0
354 // We do not build any TS for Broadcast or Multicast stream.
355 // So reject these kinds of search here.
357 if(is_broadcast_ether_addr(Addr
) || is_multicast_ether_addr(Addr
))
359 IEEE80211_DEBUG(IEEE80211_DL_ERR
, "get TS for Broadcast or Multicast\n");
363 if (ieee
->current_network
.qos_data
.supported
== 0)
367 // In WMM case: we use 4 TID only
370 IEEE80211_DEBUG(IEEE80211_DL_ERR
, " in %s(), TID(%d) is not valid\n", __FUNCTION__
, TID
);
398 *ppTS
= SearchAdmitTRStream(
409 if(bAddNewTs
== false)
411 IEEE80211_DEBUG(IEEE80211_DL_TS
, "add new TS failed(tid:%d)\n", UP
);
417 // Create a new Traffic stream for current Tx/Rx
418 // This is for EDCA and WMM to add a new TS.
419 // For HCCA or WMMSA, TS cannot be addmit without negotiation.
422 PQOS_TSINFO pTSInfo
= &TSpec
.f
.TSInfo
;
423 struct list_head
* pUnusedList
=
424 (TxRxSelect
== TX_DIR
)?
425 (&ieee
->Tx_TS_Unused_List
):
426 (&ieee
->Rx_TS_Unused_List
);
428 struct list_head
* pAddmitList
=
429 (TxRxSelect
== TX_DIR
)?
430 (&ieee
->Tx_TS_Admit_List
):
431 (&ieee
->Rx_TS_Admit_List
);
433 DIRECTION_VALUE Dir
= (ieee
->iw_mode
== IW_MODE_MASTER
)?
434 ((TxRxSelect
==TX_DIR
)?DIR_DOWN
:DIR_UP
):
435 ((TxRxSelect
==TX_DIR
)?DIR_UP
:DIR_DOWN
);
436 IEEE80211_DEBUG(IEEE80211_DL_TS
, "to add Ts\n");
437 if(!list_empty(pUnusedList
))
439 (*ppTS
) = list_entry(pUnusedList
->next
, TS_COMMON_INFO
, List
);
440 list_del_init(&(*ppTS
)->List
);
441 if(TxRxSelect
==TX_DIR
)
443 PTX_TS_RECORD tmp
= container_of(*ppTS
, TX_TS_RECORD
, TsCommonInfo
);
447 PRX_TS_RECORD tmp
= container_of(*ppTS
, RX_TS_RECORD
, TsCommonInfo
);
451 IEEE80211_DEBUG(IEEE80211_DL_TS
, "to init current TS, UP:%d, Dir:%d, addr:%pM\n", UP
, Dir
, Addr
);
452 // Prepare TS Info releated field
453 pTSInfo
->field
.ucTrafficType
= 0; // Traffic type: WMM is reserved in this field
454 pTSInfo
->field
.ucTSID
= UP
; // TSID
455 pTSInfo
->field
.ucDirection
= Dir
; // Direction: if there is DirectLink, this need additional consideration.
456 pTSInfo
->field
.ucAccessPolicy
= 1; // Access policy
457 pTSInfo
->field
.ucAggregation
= 0; // Aggregation
458 pTSInfo
->field
.ucPSB
= 0; // Aggregation
459 pTSInfo
->field
.ucUP
= UP
; // User priority
460 pTSInfo
->field
.ucTSInfoAckPolicy
= 0; // Ack policy
461 pTSInfo
->field
.ucSchedule
= 0; // Schedule
463 MakeTSEntry(*ppTS
, Addr
, &TSpec
, NULL
, 0, 0);
464 AdmitTS(ieee
, *ppTS
, 0);
465 list_add_tail(&((*ppTS
)->List
), pAddmitList
);
466 // if there is DirectLink, we need to do additional operation here!!
472 IEEE80211_DEBUG(IEEE80211_DL_ERR
, "in function %s() There is not enough TS record to be used!!", __FUNCTION__
);
480 struct ieee80211_device
* ieee
,
486 unsigned long flags
= 0;
487 del_timer_sync(&pTs
->SetupTimer
);
488 del_timer_sync(&pTs
->InactTimer
);
489 TsInitDelBA(ieee
, pTs
, TxRxSelect
);
491 if(TxRxSelect
== RX_DIR
)
494 PRX_REORDER_ENTRY pRxReorderEntry
;
495 PRX_TS_RECORD pRxTS
= (PRX_TS_RECORD
)pTs
;
496 if(timer_pending(&pRxTS
->RxPktPendingTimer
))
497 del_timer_sync(&pRxTS
->RxPktPendingTimer
);
499 while(!list_empty(&pRxTS
->RxPendingPktList
))
501 // PlatformAcquireSpinLock(Adapter, RT_RX_SPINLOCK);
502 spin_lock_irqsave(&(ieee
->reorder_spinlock
), flags
);
503 //pRxReorderEntry = list_entry(&pRxTS->RxPendingPktList.prev,RX_REORDER_ENTRY,List);
504 pRxReorderEntry
= (PRX_REORDER_ENTRY
)list_entry(pRxTS
->RxPendingPktList
.prev
,RX_REORDER_ENTRY
,List
);
505 list_del_init(&pRxReorderEntry
->List
);
508 struct ieee80211_rxb
* prxb
= pRxReorderEntry
->prxb
;
511 spin_unlock_irqrestore(&(ieee
->reorder_spinlock
), flags
);
514 for(i
=0; i
< prxb
->nr_subframes
; i
++) {
515 dev_kfree_skb(prxb
->subframes
[i
]);
520 list_add_tail(&pRxReorderEntry
->List
,&ieee
->RxReorder_Unused_List
);
521 //PlatformReleaseSpinLock(Adapter, RT_RX_SPINLOCK);
522 spin_unlock_irqrestore(&(ieee
->reorder_spinlock
), flags
);
529 PTX_TS_RECORD pTxTS
= (PTX_TS_RECORD
)pTs
;
530 del_timer_sync(&pTxTS
->TsAddBaTimer
);
534 void RemovePeerTS(struct ieee80211_device
* ieee
, u8
* Addr
)
536 PTS_COMMON_INFO pTS
, pTmpTS
;
537 printk("===========>RemovePeerTS,%pM\n", Addr
);
539 list_for_each_entry_safe(pTS
, pTmpTS
, &ieee
->Tx_TS_Pending_List
, List
)
541 if (memcmp(pTS
->Addr
, Addr
, 6) == 0)
543 RemoveTsEntry(ieee
, pTS
, TX_DIR
);
544 list_del_init(&pTS
->List
);
545 list_add_tail(&pTS
->List
, &ieee
->Tx_TS_Unused_List
);
549 list_for_each_entry_safe(pTS
, pTmpTS
, &ieee
->Tx_TS_Admit_List
, List
)
551 if (memcmp(pTS
->Addr
, Addr
, 6) == 0)
553 printk("====>remove Tx_TS_admin_list\n");
554 RemoveTsEntry(ieee
, pTS
, TX_DIR
);
555 list_del_init(&pTS
->List
);
556 list_add_tail(&pTS
->List
, &ieee
->Tx_TS_Unused_List
);
560 list_for_each_entry_safe(pTS
, pTmpTS
, &ieee
->Rx_TS_Pending_List
, List
)
562 if (memcmp(pTS
->Addr
, Addr
, 6) == 0)
564 RemoveTsEntry(ieee
, pTS
, RX_DIR
);
565 list_del_init(&pTS
->List
);
566 list_add_tail(&pTS
->List
, &ieee
->Rx_TS_Unused_List
);
570 list_for_each_entry_safe(pTS
, pTmpTS
, &ieee
->Rx_TS_Admit_List
, List
)
572 if (memcmp(pTS
->Addr
, Addr
, 6) == 0)
574 RemoveTsEntry(ieee
, pTS
, RX_DIR
);
575 list_del_init(&pTS
->List
);
576 list_add_tail(&pTS
->List
, &ieee
->Rx_TS_Unused_List
);
582 void RemoveAllTS(struct ieee80211_device
* ieee
)
584 PTS_COMMON_INFO pTS
, pTmpTS
;
586 list_for_each_entry_safe(pTS
, pTmpTS
, &ieee
->Tx_TS_Pending_List
, List
)
588 RemoveTsEntry(ieee
, pTS
, TX_DIR
);
589 list_del_init(&pTS
->List
);
590 list_add_tail(&pTS
->List
, &ieee
->Tx_TS_Unused_List
);
593 list_for_each_entry_safe(pTS
, pTmpTS
, &ieee
->Tx_TS_Admit_List
, List
)
595 RemoveTsEntry(ieee
, pTS
, TX_DIR
);
596 list_del_init(&pTS
->List
);
597 list_add_tail(&pTS
->List
, &ieee
->Tx_TS_Unused_List
);
600 list_for_each_entry_safe(pTS
, pTmpTS
, &ieee
->Rx_TS_Pending_List
, List
)
602 RemoveTsEntry(ieee
, pTS
, RX_DIR
);
603 list_del_init(&pTS
->List
);
604 list_add_tail(&pTS
->List
, &ieee
->Rx_TS_Unused_List
);
607 list_for_each_entry_safe(pTS
, pTmpTS
, &ieee
->Rx_TS_Admit_List
, List
)
609 RemoveTsEntry(ieee
, pTS
, RX_DIR
);
610 list_del_init(&pTS
->List
);
611 list_add_tail(&pTS
->List
, &ieee
->Rx_TS_Unused_List
);
616 void TsStartAddBaProcess(struct ieee80211_device
* ieee
, PTX_TS_RECORD pTxTS
)
618 if(pTxTS
->bAddBaReqInProgress
== false)
620 pTxTS
->bAddBaReqInProgress
= true;
622 if(pTxTS
->bAddBaReqDelayed
)
624 IEEE80211_DEBUG(IEEE80211_DL_BA
, "TsStartAddBaProcess(): Delayed Start ADDBA after 60 sec!!\n");
625 mod_timer(&pTxTS
->TsAddBaTimer
, jiffies
+ MSECS(TS_ADDBA_DELAY
));
629 IEEE80211_DEBUG(IEEE80211_DL_BA
,"TsStartAddBaProcess(): Immediately Start ADDBA now!!\n");
630 mod_timer(&pTxTS
->TsAddBaTimer
, jiffies
+10); //set 10 ticks
635 IEEE80211_DEBUG(IEEE80211_DL_ERR
, "%s()==>BA timer is already added\n", __FUNCTION__
);