void
TsInitDelBA( struct ieee80211_device *ieee, PTS_COMMON_INFO pTsCommonInfo, TR_SELECT TxRxSelect)
{
if(TxRxSelect == TX_DIR) {
PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)pTsCommonInfo;
if(TxTsDeleteBA(ieee, pTxTs))
ieee80211_send_DELBA(
ieee,
pTsCommonInfo->Addr,
(pTxTs->TxAdmittedBARecord.bValid)?(&pTxTs->TxAdmittedBARecord):(&pTxTs->TxPendingBARecord),
TxRxSelect,
DELBA_REASON_END_BA);
}
else if(TxRxSelect == RX_DIR) {
PRX_TS_RECORD pRxTs = (PRX_TS_RECORD)pTsCommonInfo;
if(RxTsDeleteBA(ieee, pRxTs))
ieee80211_send_DELBA(
ieee,
pTsCommonInfo->Addr,
&pRxTs->RxAdmittedBARecord,
TxRxSelect,
DELBA_REASON_END_BA );
}
}
int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb)
{
struct rtllib_hdr_3addr *delba = NULL;
union delba_param_set *pDelBaParamSet = NULL;
u16 *pReasonCode = NULL;
u8 *dst = NULL;
if (skb->len < sizeof(struct rtllib_hdr_3addr) + 6) {
RTLLIB_DEBUG(RTLLIB_DL_ERR, " Invalid skb len in DELBA(%d /"
" %d)\n", (int)skb->len,
(int)(sizeof(struct rtllib_hdr_3addr) + 6));
return -1;
}
if (ieee->current_network.qos_data.active == 0 ||
ieee->pHTInfo->bCurrentHTSupport == false) {
RTLLIB_DEBUG(RTLLIB_DL_ERR, "received DELBA while QOS or HT "
"is not supported(%d, %d)\n",
ieee->current_network. qos_data.active,
ieee->pHTInfo->bCurrentHTSupport);
return -1;
}
RTLLIB_DEBUG_DATA(RTLLIB_DL_DATA|RTLLIB_DL_BA, skb->data, skb->len);
delba = (struct rtllib_hdr_3addr *)skb->data;
dst = (u8 *)(&delba->addr2[0]);
delba += sizeof(struct rtllib_hdr_3addr);
pDelBaParamSet = (union delba_param_set *)(delba+2);
pReasonCode = (u16 *)(delba+4);
if (pDelBaParamSet->field.Initiator == 1) {
struct rx_ts_record *pRxTs;
if (!GetTs(ieee, (struct ts_common_info **)&pRxTs, dst,
(u8)pDelBaParamSet->field.TID, RX_DIR, false)) {
RTLLIB_DEBUG(RTLLIB_DL_ERR, "can't get TS for RXTS in "
"%s().dst: %pM TID:%d\n", __func__, dst,
(u8)pDelBaParamSet->field.TID);
return -1;
}
RxTsDeleteBA(ieee, pRxTs);
} else {
struct tx_ts_record *pTxTs;
if (!GetTs(ieee, (struct ts_common_info **)&pTxTs, dst,
(u8)pDelBaParamSet->field.TID, TX_DIR, false)) {
RTLLIB_DEBUG(RTLLIB_DL_ERR, "can't get TS for TXTS in "
"%s()\n", __func__);
return -1;
}
pTxTs->bUsingBa = false;
pTxTs->bAddBaReqInProgress = false;
pTxTs->bAddBaReqDelayed = false;
del_timer_sync(&pTxTs->TsAddBaTimer);
TxTsDeleteBA(ieee, pTxTs);
}
return 0;
}
void RxBaInactTimeout(unsigned long data)
{
struct rx_ts_record *pRxTs = (struct rx_ts_record *)data;
struct rtllib_device *ieee = container_of(pRxTs, struct rtllib_device,
RxTsRecord[pRxTs->num]);
RxTsDeleteBA(ieee, pRxTs);
rtllib_send_DELBA(ieee, pRxTs->TsCommonInfo.Addr,
&pRxTs->RxAdmittedBARecord, RX_DIR,
DELBA_REASON_TIMEOUT);
}
void RxBaInactTimeout(unsigned long data)
{
PRX_TS_RECORD pRxTs = (PRX_TS_RECORD)data;
struct ieee80211_device *ieee = container_of(pRxTs, struct ieee80211_device, RxTsRecord[pRxTs->num]);
RxTsDeleteBA(ieee, pRxTs);
ieee80211_send_DELBA(
ieee,
pRxTs->TsCommonInfo.Addr,
&pRxTs->RxAdmittedBARecord,
RX_DIR,
DELBA_REASON_TIMEOUT);
}
void TsInitDelBA(struct rtllib_device *ieee,
struct ts_common_info *pTsCommonInfo,
enum tr_select TxRxSelect)
{
if (TxRxSelect == TX_DIR) {
struct tx_ts_record *pTxTs =
(struct tx_ts_record *)pTsCommonInfo;
if (TxTsDeleteBA(ieee, pTxTs))
rtllib_send_DELBA(ieee, pTsCommonInfo->Addr,
(pTxTs->TxAdmittedBARecord.bValid) ?
(&pTxTs->TxAdmittedBARecord) :
(&pTxTs->TxPendingBARecord),
TxRxSelect, DELBA_REASON_END_BA);
} else if (TxRxSelect == RX_DIR) {
struct rx_ts_record *pRxTs =
(struct rx_ts_record *)pTsCommonInfo;
if (RxTsDeleteBA(ieee, pRxTs))
rtllib_send_DELBA(ieee, pTsCommonInfo->Addr,
&pRxTs->RxAdmittedBARecord,
TxRxSelect, DELBA_REASON_END_BA);
}
}
/********************************************************************************************************************
*function: RX DELBA
* input: struct sk_buff * skb //incoming ADDBAReq skb.
* return: 0(pass), other(fail)
* notice: As this function need support of QOS, I comment some code out. And when qos is ready, this code need to be support.
********************************************************************************************************************/
int ieee80211_rx_DELBA(struct ieee80211_device *ieee, struct sk_buff *skb)
{
struct rtl_80211_hdr_3addr *delba = NULL;
PDELBA_PARAM_SET pDelBaParamSet = NULL;
u8 *dst = NULL;
if (skb->len < sizeof(struct rtl_80211_hdr_3addr) + 6) {
IEEE80211_DEBUG(IEEE80211_DL_ERR,
" Invalid skb len in DELBA(%d / %zu)\n",
skb->len,
(sizeof(struct rtl_80211_hdr_3addr) + 6));
return -1;
}
if (ieee->current_network.qos_data.active == 0 ||
!ieee->pHTInfo->bCurrentHTSupport) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "received DELBA while QOS or HT is not supported(%d, %d)\n",ieee->current_network.qos_data.active, ieee->pHTInfo->bCurrentHTSupport);
return -1;
}
IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len);
delba = (struct rtl_80211_hdr_3addr *)skb->data;
dst = &delba->addr2[0];
pDelBaParamSet = (PDELBA_PARAM_SET)&delba->payload[2];
if(pDelBaParamSet->field.Initiator == 1) {
PRX_TS_RECORD pRxTs;
if (!GetTs(
ieee,
(PTS_COMMON_INFO *)&pRxTs,
dst,
(u8)pDelBaParamSet->field.TID,
RX_DIR,
false) ) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS for RXTS in %s()\n", __func__);
return -1;
}
RxTsDeleteBA(ieee, pRxTs);
}
else {
PTX_TS_RECORD pTxTs;
if (!GetTs(
ieee,
(PTS_COMMON_INFO *)&pTxTs,
dst,
(u8)pDelBaParamSet->field.TID,
TX_DIR,
false) ) {
IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS for TXTS in %s()\n", __func__);
return -1;
}
pTxTs->bUsingBa = false;
pTxTs->bAddBaReqInProgress = false;
pTxTs->bAddBaReqDelayed = false;
del_timer_sync(&pTxTs->TsAddBaTimer);
//PlatformCancelTimer(Adapter, &pTxTs->TsAddBaTimer);
TxTsDeleteBA(ieee, pTxTs);
}
return 0;
}
int rtllib_rx_DELBA(struct rtllib_device *ieee, struct sk_buff *skb)
{
struct rtllib_hdr_3addr *delba = NULL;
union delba_param_set *pDelBaParamSet = NULL;
u8 *dst = NULL;
if (skb->len < sizeof(struct rtllib_hdr_3addr) + 6) {
netdev_warn(ieee->dev, "Invalid skb len in DELBA(%d / %d)\n",
(int)skb->len,
(int)(sizeof(struct rtllib_hdr_3addr) + 6));
return -1;
}
if (ieee->current_network.qos_data.active == 0 ||
ieee->pHTInfo->bCurrentHTSupport == false) {
netdev_warn(ieee->dev,
"received DELBA while QOS or HT is not supported(%d, %d)\n",
ieee->current_network. qos_data.active,
ieee->pHTInfo->bCurrentHTSupport);
return -1;
}
#ifdef VERBOSE_DEBUG
print_hex_dump_bytes("rtllib_rx_DELBA(): ", DUMP_PREFIX_NONE, skb->data,
skb->len);
#endif
delba = (struct rtllib_hdr_3addr *)skb->data;
dst = (u8 *)(&delba->addr2[0]);
pDelBaParamSet = (union delba_param_set *)&delba->payload[2];
if (pDelBaParamSet->field.Initiator == 1) {
struct rx_ts_record *pRxTs;
if (!GetTs(ieee, (struct ts_common_info **)&pRxTs, dst,
(u8)pDelBaParamSet->field.TID, RX_DIR, false)) {
netdev_warn(ieee->dev,
"%s(): can't get TS for RXTS. dst:%pM TID:%d\n",
__func__, dst,
(u8)pDelBaParamSet->field.TID);
return -1;
}
RxTsDeleteBA(ieee, pRxTs);
} else {
struct tx_ts_record *pTxTs;
if (!GetTs(ieee, (struct ts_common_info **)&pTxTs, dst,
(u8)pDelBaParamSet->field.TID, TX_DIR, false)) {
netdev_warn(ieee->dev, "%s(): can't get TS for TXTS\n",
__func__);
return -1;
}
pTxTs->bUsingBa = false;
pTxTs->bAddBaReqInProgress = false;
pTxTs->bAddBaReqDelayed = false;
del_timer_sync(&pTxTs->TsAddBaTimer);
TxTsDeleteBA(ieee, pTxTs);
}
return 0;
}