VOID BARecSessionTearDown(
IN OUT PRTMP_ADAPTER pAd,
IN UCHAR Wcid,
IN UCHAR TID,
IN BOOLEAN bPassive)
{
ULONG Idx = 0;
BA_REC_ENTRY *pBAEntry;
if (Wcid >= MAX_LEN_OF_MAC_TABLE)
{
return;
}
//
// Locate corresponding BA Originator Entry in BA Table with the (pAddr,TID).
//
Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
if (Idx == 0)
return;
DBGPRINT(RT_DEBUG_TRACE,("%s===>Wcid=%d.TID=%d \n", __FUNCTION__, Wcid, TID));
pBAEntry = &pAd->BATable.BARecEntry[Idx];
DBGPRINT(RT_DEBUG_TRACE,("\t===>Idx = %ld, Wcid=%d.TID=%d, REC_BA_Status = %d \n", Idx, Wcid, TID, pBAEntry->REC_BA_Status));
//
// Prepare DelBA action frame and send to the peer.
//
if ((TID == pBAEntry->TID) && (pBAEntry->REC_BA_Status == Recipient_Accept))
{
MLME_DELBA_REQ_STRUCT DelbaReq;
BOOLEAN Cancelled;
//ULONG offset;
//UINT32 VALUE;
RTMPCancelTimer(&pBAEntry->RECBATimer, &Cancelled);
//
// 1. Send DELBA Action Frame
//
if (bPassive == FALSE)
{
MLME_QUEUE_ELEM *Elem = (MLME_QUEUE_ELEM *) kmalloc(sizeof(MLME_QUEUE_ELEM), MEM_ALLOC_FLAG);
if (Elem != NULL)
{
NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
NdisZeroMemory(Elem, sizeof(MLME_QUEUE_ELEM));
COPY_MAC_ADDR(DelbaReq.Addr, pAd->MacTab.Content[Wcid].Addr);
DelbaReq.Wcid = Wcid;
DelbaReq.TID = TID;
DelbaReq.Initiator = RECIPIENT;
Elem->MsgLen = sizeof(DelbaReq);
NdisMoveMemory(Elem->Msg, &DelbaReq, sizeof(DelbaReq));
MlmeDELBAAction(pAd, Elem);
kfree(Elem);
}
else
{
DBGPRINT(RT_DEBUG_ERROR, ("%s():alloc memory failed!\n", __FUNCTION__));
return;
}
}
//
// 2. Free resource of BA session
//
// flush all pending reordering mpdus
ba_refresh_reordering_mpdus(pAd, pBAEntry);
NdisAcquireSpinLock(&pAd->BATabLock);
// Erase Bitmap flag.
pBAEntry->LastIndSeq = RESET_RCV_SEQ;
pBAEntry->BAWinSize = 0;
// Erase Bitmap flag at software mactable
pAd->MacTab.Content[Wcid].RXBAbitmap &= (~(1<<(pBAEntry->TID)));
pAd->MacTab.Content[Wcid].BARecWcidArray[TID] = 0;
RTMP_DEL_BA_SESSION_FROM_ASIC(pAd, Wcid, TID);
NdisReleaseSpinLock(&pAd->BATabLock);
}
BATableFreeRecEntry(pAd, Idx);
}
void BARecSessionTearDown(struct rt_rtmp_adapter *pAd,
u8 Wcid, u8 TID, IN BOOLEAN bPassive)
{
unsigned long Idx = 0;
struct rt_ba_rec_entry *pBAEntry;
if (Wcid >= MAX_LEN_OF_MAC_TABLE) {
return;
}
/* */
/* Locate corresponding BA Originator Entry in BA Table with the (pAddr,TID). */
/* */
Idx = pAd->MacTab.Content[Wcid].BARecWcidArray[TID];
if (Idx == 0)
return;
DBGPRINT(RT_DEBUG_TRACE,
("%s===>Wcid=%d.TID=%d \n", __func__, Wcid, TID));
pBAEntry = &pAd->BATable.BARecEntry[Idx];
DBGPRINT(RT_DEBUG_TRACE,
("\t===>Idx = %ld, Wcid=%d.TID=%d, REC_BA_Status = %d \n", Idx,
Wcid, TID, pBAEntry->REC_BA_Status));
/* */
/* Prepare DelBA action frame and send to the peer. */
/* */
if ((TID == pBAEntry->TID)
&& (pBAEntry->REC_BA_Status == Recipient_Accept)) {
struct rt_mlme_delba_req DelbaReq;
BOOLEAN Cancelled;
/*unsigned long offset; */
/*u32 VALUE; */
RTMPCancelTimer(&pBAEntry->RECBATimer, &Cancelled);
/* */
/* 1. Send DELBA Action Frame */
/* */
if (bPassive == FALSE) {
struct rt_mlme_queue_elem *Elem =
kmalloc(sizeof(struct rt_mlme_queue_elem),
MEM_ALLOC_FLAG);
if (Elem != NULL) {
NdisZeroMemory(&DelbaReq, sizeof(DelbaReq));
NdisZeroMemory(Elem, sizeof(struct rt_mlme_queue_elem));
COPY_MAC_ADDR(DelbaReq.Addr,
pAd->MacTab.Content[Wcid].Addr);
DelbaReq.Wcid = Wcid;
DelbaReq.TID = TID;
DelbaReq.Initiator = RECIPIENT;
Elem->MsgLen = sizeof(DelbaReq);
NdisMoveMemory(Elem->Msg, &DelbaReq,
sizeof(DelbaReq));
MlmeDELBAAction(pAd, Elem);
kfree(Elem);
} else {
DBGPRINT(RT_DEBUG_ERROR,
("%s():alloc memory failed!\n",
__func__));
return;
}
}
/* */
/* 2. Free resource of BA session */
/* */
/* flush all pending reordering mpdus */
ba_refresh_reordering_mpdus(pAd, pBAEntry);
NdisAcquireSpinLock(&pAd->BATabLock);
/* Erase Bitmap flag. */
pBAEntry->LastIndSeq = RESET_RCV_SEQ;
pBAEntry->BAWinSize = 0;
/* Erase Bitmap flag at software mactable */
pAd->MacTab.Content[Wcid].RXBAbitmap &=
(~(1 << (pBAEntry->TID)));
pAd->MacTab.Content[Wcid].BARecWcidArray[TID] = 0;
RTMP_DEL_BA_SESSION_FROM_ASIC(pAd, Wcid, TID);
NdisReleaseSpinLock(&pAd->BATabLock);
}
BATableFreeRecEntry(pAd, Idx);
}