diff options
Diffstat (limited to 'drivers/staging/rtl8192su/ieee80211/rtl819x_BAProc.c')
| -rw-r--r-- | drivers/staging/rtl8192su/ieee80211/rtl819x_BAProc.c | 745 |
1 files changed, 0 insertions, 745 deletions
diff --git a/drivers/staging/rtl8192su/ieee80211/rtl819x_BAProc.c b/drivers/staging/rtl8192su/ieee80211/rtl819x_BAProc.c deleted file mode 100644 index ca611fa..0000000 --- a/drivers/staging/rtl8192su/ieee80211/rtl819x_BAProc.c +++ /dev/null @@ -1,745 +0,0 @@ -/****************************************************************************** - * Copyright(c) 2008 - 2010 Realtek Corporation. All rights reserved. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * - * Contact Information: - * wlanfae <wlanfae@realtek.com> -******************************************************************************/ -#include "ieee80211.h" -#include "rtl819x_BA.h" - -/******************************************************************************************************************** - *function: Activate BA entry. And if Time is nozero, start timer. - * input: PBA_RECORD pBA //BA entry to be enabled - * u16 Time //indicate time delay. - * output: none -********************************************************************************************************************/ -void ActivateBAEntry(struct ieee80211_device* ieee, PBA_RECORD pBA, u16 Time) -{ - pBA->bValid = true; - if(Time != 0) - mod_timer(&pBA->Timer, jiffies + MSECS(Time)); -} - -/******************************************************************************************************************** - *function: deactivate BA entry, including its timer. - * input: PBA_RECORD pBA //BA entry to be disabled - * output: none -********************************************************************************************************************/ -void DeActivateBAEntry( struct ieee80211_device* ieee, PBA_RECORD pBA) -{ - pBA->bValid = false; - del_timer_sync(&pBA->Timer); -} -/******************************************************************************************************************** - *function: deactivete BA entry in Tx Ts, and send DELBA. - * input: - * PTX_TS_RECORD pTxTs //Tx Ts which is to deactivate BA entry. - * output: none - * notice: As PTX_TS_RECORD structure will be defined in QOS, so wait to be merged. //FIXME -********************************************************************************************************************/ -u8 TxTsDeleteBA( struct ieee80211_device* ieee, PTX_TS_RECORD pTxTs) -{ - PBA_RECORD pAdmittedBa = &pTxTs->TxAdmittedBARecord; //These two BA entries must exist in TS structure - PBA_RECORD pPendingBa = &pTxTs->TxPendingBARecord; - u8 bSendDELBA = false; - - // Delete pending BA - if(pPendingBa->bValid) - { - DeActivateBAEntry(ieee, pPendingBa); - bSendDELBA = true; - } - - // Delete admitted BA - if(pAdmittedBa->bValid) - { - DeActivateBAEntry(ieee, pAdmittedBa); - bSendDELBA = true; - } - - return bSendDELBA; -} - -/******************************************************************************************************************** - *function: deactivete BA entry in Tx Ts, and send DELBA. - * input: - * PRX_TS_RECORD pRxTs //Rx Ts which is to deactivate BA entry. - * output: none - * notice: As PRX_TS_RECORD structure will be defined in QOS, so wait to be merged. //FIXME, same with above -********************************************************************************************************************/ -u8 RxTsDeleteBA( struct ieee80211_device* ieee, PRX_TS_RECORD pRxTs) -{ - PBA_RECORD pBa = &pRxTs->RxAdmittedBARecord; - u8 bSendDELBA = false; - - if(pBa->bValid) - { - DeActivateBAEntry(ieee, pBa); - bSendDELBA = true; - } - - return bSendDELBA; -} - -/******************************************************************************************************************** - *function: reset BA entry - * input: - * PBA_RECORD pBA //entry to be reset - * output: none -********************************************************************************************************************/ -void ResetBaEntry( PBA_RECORD pBA) -{ - pBA->bValid = false; - pBA->BaParamSet.shortData = 0; - pBA->BaTimeoutValue = 0; - pBA->DialogToken = 0; - pBA->BaStartSeqCtrl.ShortData = 0; -} -//These functions need porting here or not? -/******************************************************************************************************************************* - *function: construct ADDBAREQ and ADDBARSP frame here together. - * input: u8* Dst //ADDBA frame's destination - * PBA_RECORD pBA //BA_RECORD entry which stores the necessary information for BA. - * u16 StatusCode //status code in RSP and I will use it to indicate whether it's RSP or REQ(will I?) - * u8 type //indicate whether it's RSP(ACT_ADDBARSP) ow REQ(ACT_ADDBAREQ) - * output: none - * return: sk_buff* skb //return constructed skb to xmit -*******************************************************************************************************************************/ -static struct sk_buff* ieee80211_ADDBA(struct ieee80211_device* ieee, u8* Dst, PBA_RECORD pBA, u16 StatusCode, u8 type) -{ - struct sk_buff *skb = NULL; - struct ieee80211_hdr_3addr* BAReq = NULL; - u8* tag = NULL; - u16 tmp = 0; - u16 len = ieee->tx_headroom + 9; - IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), frame(%d) sentd to:%pM, ieee->dev:%p\n", __FUNCTION__, type, Dst, ieee->dev); - if (pBA == NULL||ieee == NULL) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "pBA(%p) is NULL or ieee(%p) is NULL\n", pBA, ieee); - return NULL; - } - skb = dev_alloc_skb(len + sizeof( struct ieee80211_hdr_3addr)); //need to add something others? FIXME - if (skb == NULL) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc skb for ADDBA_REQ\n"); - return NULL; - } - - memset(skb->data, 0, sizeof( struct ieee80211_hdr_3addr)); //I wonder whether it's necessary. Apparently kernel will not do it when alloc a skb. - skb_reserve(skb, ieee->tx_headroom); - - BAReq = ( struct ieee80211_hdr_3addr *) skb_put(skb,sizeof( struct ieee80211_hdr_3addr)); - - memcpy(BAReq->addr1, Dst, ETH_ALEN); - memcpy(BAReq->addr2, ieee->dev->dev_addr, ETH_ALEN); - - memcpy(BAReq->addr3, ieee->current_network.bssid, ETH_ALEN); - - BAReq->frame_control = cpu_to_le16(IEEE80211_STYPE_MANAGE_ACT); //action frame - - tag = (u8*)skb_put(skb, 9); - *tag ++= ACT_CAT_BA; - *tag ++= type; - // Dialog Token - *tag ++= pBA->DialogToken; - - if (ACT_ADDBARSP == type) - { - // Status Code - printk("=====>to send ADDBARSP\n"); - tmp = cpu_to_le16(StatusCode); - memcpy(tag, (u8*)&tmp, 2); - tag += 2; - } - // BA Parameter Set - tmp = cpu_to_le16(pBA->BaParamSet.shortData); - memcpy(tag, (u8*)&tmp, 2); - tag += 2; - // BA Timeout Value - tmp = cpu_to_le16(pBA->BaTimeoutValue); - memcpy(tag, (u8*)&tmp, 2); - tag += 2; - - if (ACT_ADDBAREQ == type) - { - // BA Start SeqCtrl - memcpy(tag,(u8*)&(pBA->BaStartSeqCtrl), 2); - tag += 2; - } - - IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len); - return skb; -} - -/******************************************************************************************************************** - *function: construct DELBA frame - * input: u8* dst //DELBA frame's destination - * PBA_RECORD pBA //BA_RECORD entry which stores the necessary information for BA - * TR_SELECT TxRxSelect //TX RX direction - * u16 ReasonCode //status code. - * output: none - * return: sk_buff* skb //return constructed skb to xmit -********************************************************************************************************************/ -static struct sk_buff* ieee80211_DELBA( - struct ieee80211_device* ieee, - u8* dst, - PBA_RECORD pBA, - TR_SELECT TxRxSelect, - u16 ReasonCode - ) -{ - DELBA_PARAM_SET DelbaParamSet; - struct sk_buff *skb = NULL; - struct ieee80211_hdr_3addr* Delba = NULL; - u8* tag = NULL; - u16 tmp = 0; - u16 len = 6 + ieee->tx_headroom; - - if (net_ratelimit()) - IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "========>%s(), ReasonCode(%d) sentd to:%pM\n", __FUNCTION__, ReasonCode, dst); - - memset(&DelbaParamSet, 0, 2); - - DelbaParamSet.field.Initiator = (TxRxSelect==TX_DIR)?1:0; - DelbaParamSet.field.TID = pBA->BaParamSet.field.TID; - - skb = dev_alloc_skb(len + sizeof( struct ieee80211_hdr_3addr)); //need to add something others? FIXME - if (skb == NULL) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't alloc skb for ADDBA_REQ\n"); - return NULL; - } - skb_reserve(skb, ieee->tx_headroom); - - Delba = ( struct ieee80211_hdr_3addr *) skb_put(skb,sizeof( struct ieee80211_hdr_3addr)); - - memcpy(Delba->addr1, dst, ETH_ALEN); - memcpy(Delba->addr2, ieee->dev->dev_addr, ETH_ALEN); - memcpy(Delba->addr3, ieee->current_network.bssid, ETH_ALEN); - Delba->frame_control = cpu_to_le16(IEEE80211_STYPE_MANAGE_ACT); //action frame - - tag = (u8*)skb_put(skb, 6); - - *tag ++= ACT_CAT_BA; - *tag ++= ACT_DELBA; - - // DELBA Parameter Set - tmp = cpu_to_le16(DelbaParamSet.shortData); - memcpy(tag, (u8*)&tmp, 2); - tag += 2; - // Reason Code - tmp = cpu_to_le16(ReasonCode); - memcpy(tag, (u8*)&tmp, 2); - tag += 2; - - IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len); - if (net_ratelimit()) - IEEE80211_DEBUG(IEEE80211_DL_TRACE | IEEE80211_DL_BA, "<=====%s()\n", __FUNCTION__); - return skb; -} - -/******************************************************************************************************************** - *function: send ADDBAReq frame out - * input: u8* dst //ADDBAReq frame's destination - * PBA_RECORD pBA //BA_RECORD entry which stores the necessary information for BA - * output: none - * notice: If any possible, please hide pBA in ieee. And temporarily use Manage Queue as softmac_mgmt_xmit() usually does -********************************************************************************************************************/ -void ieee80211_send_ADDBAReq(struct ieee80211_device* ieee, u8* dst, PBA_RECORD pBA) -{ - struct sk_buff *skb = NULL; - skb = ieee80211_ADDBA(ieee, dst, pBA, 0, ACT_ADDBAREQ); //construct ACT_ADDBAREQ frames so set statuscode zero. - - if (skb) - { - softmac_mgmt_xmit(skb, ieee); - } - else - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "alloc skb error in function %s()\n", __FUNCTION__); - } - return; -} - -/******************************************************************************************************************** - *function: send ADDBARSP frame out - * input: u8* dst //DELBA frame's destination - * PBA_RECORD pBA //BA_RECORD entry which stores the necessary information for BA - * u16 StatusCode //RSP StatusCode - * output: none - * notice: If any possible, please hide pBA in ieee. And temporarily use Manage Queue as softmac_mgmt_xmit() usually does -********************************************************************************************************************/ -void ieee80211_send_ADDBARsp(struct ieee80211_device* ieee, u8* dst, PBA_RECORD pBA, u16 StatusCode) -{ - struct sk_buff *skb = NULL; - skb = ieee80211_ADDBA(ieee, dst, pBA, StatusCode, ACT_ADDBARSP); //construct ACT_ADDBARSP frames - if (skb) - { - softmac_mgmt_xmit(skb, ieee); - } - else - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "alloc skb error in function %s()\n", __FUNCTION__); - } - - return; - -} -/******************************************************************************************************************** - *function: send ADDBARSP frame out - * input: u8* dst //DELBA frame's destination - * PBA_RECORD pBA //BA_RECORD entry which stores the necessary information for BA - * TR_SELECT TxRxSelect //TX or RX - * u16 ReasonCode //DEL ReasonCode - * output: none - * notice: If any possible, please hide pBA in ieee. And temporarily use Manage Queue as softmac_mgmt_xmit() usually does -********************************************************************************************************************/ - -void ieee80211_send_DELBA(struct ieee80211_device* ieee, u8* dst, PBA_RECORD pBA, TR_SELECT TxRxSelect, u16 ReasonCode) -{ - struct sk_buff *skb = NULL; - skb = ieee80211_DELBA(ieee, dst, pBA, TxRxSelect, ReasonCode); //construct ACT_ADDBARSP frames - if (skb) - { - softmac_mgmt_xmit(skb, ieee); - } - else - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "alloc skb error in function %s()\n", __FUNCTION__); - } - return ; -} - -/******************************************************************************************************************** - *function: RX ADDBAReq - * 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_ADDBAReq( struct ieee80211_device* ieee, struct sk_buff *skb) -{ - struct ieee80211_hdr_3addr* req = NULL; - u16 rc = 0; - u8 * dst = NULL, *pDialogToken = NULL, *tag = NULL; - PBA_RECORD pBA = NULL; - PBA_PARAM_SET pBaParamSet = NULL; - u16* pBaTimeoutVal = NULL; - PSEQUENCE_CONTROL pBaStartSeqCtrl = NULL; - PRX_TS_RECORD pTS = NULL; - - if (skb->len < sizeof( struct ieee80211_hdr_3addr) + 9) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, - " Invalid skb len in BAREQ(%d / %zd)\n", - skb->len, - sizeof(struct ieee80211_hdr_3addr) + 9); - return -1; - } - - IEEE80211_DEBUG_DATA(IEEE80211_DL_DATA|IEEE80211_DL_BA, skb->data, skb->len); - - req = ( struct ieee80211_hdr_3addr*) skb->data; - tag = (u8*)req; - dst = (u8*)(&req->addr2[0]); - tag += sizeof( struct ieee80211_hdr_3addr); - pDialogToken = tag + 2; //category+action - pBaParamSet = (PBA_PARAM_SET)(tag + 3); //+DialogToken - pBaTimeoutVal = (u16*)(tag + 5); - pBaStartSeqCtrl = (PSEQUENCE_CONTROL)(req + 7); - - printk("====================>rx ADDBAREQ from :%pM\n", dst); -//some other capability is not ready now. - if( (ieee->current_network.qos_data.active == 0) || - (ieee->pHTInfo->bCurrentHTSupport == false) || - (ieee->pHTInfo->IOTAction & HT_IOT_ACT_REJECT_ADDBA_REQ)) - { - rc = ADDBA_STATUS_REFUSED; - IEEE80211_DEBUG(IEEE80211_DL_ERR, "Failed to reply on ADDBA_REQ as some capability is not ready(%d, %d)\n", ieee->current_network.qos_data.active, ieee->pHTInfo->bCurrentHTSupport); - goto OnADDBAReq_Fail; - } - // Search for related traffic stream. - // If there is no matched TS, reject the ADDBA request. - if( !GetTs( - ieee, - (PTS_COMMON_INFO*)(&pTS), - dst, - (u8)(pBaParamSet->field.TID), - RX_DIR, - true) ) - { - rc = ADDBA_STATUS_REFUSED; - IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS in %s()\n", __FUNCTION__); - goto OnADDBAReq_Fail; - } - pBA = &pTS->RxAdmittedBARecord; - // To Determine the ADDBA Req content - // We can do much more check here, including BufferSize, AMSDU_Support, Policy, StartSeqCtrl... - // I want to check StartSeqCtrl to make sure when we start aggregation!!! - // - if(pBaParamSet->field.BAPolicy == BA_POLICY_DELAYED) - { - rc = ADDBA_STATUS_INVALID_PARAM; - IEEE80211_DEBUG(IEEE80211_DL_ERR, "BA Policy is not correct in %s()\n", __FUNCTION__); - goto OnADDBAReq_Fail; - } - // Admit the ADDBA Request - DeActivateBAEntry(ieee, pBA); - pBA->DialogToken = *pDialogToken; - pBA->BaParamSet = *pBaParamSet; - pBA->BaTimeoutValue = *pBaTimeoutVal; - pBA->BaStartSeqCtrl = *pBaStartSeqCtrl; - //for half N mode we only aggregate 1 frame - if (ieee->GetHalfNmodeSupportByAPsHandler(ieee->dev)|| - (ieee->pHTInfo->IOTAction & HT_IOT_ACT_ALLOW_PEER_AGG_ONE_PKT)) - pBA->BaParamSet.field.BufferSize = 1; - else - pBA->BaParamSet.field.BufferSize = 32; - ActivateBAEntry(ieee, pBA, 0); - ieee80211_send_ADDBARsp(ieee, dst, pBA, ADDBA_STATUS_SUCCESS); - - return 0; - -OnADDBAReq_Fail: - { - BA_RECORD BA; - BA.BaParamSet = *pBaParamSet; - BA.BaTimeoutValue = *pBaTimeoutVal; - BA.DialogToken = *pDialogToken; - BA.BaParamSet.field.BAPolicy = BA_POLICY_IMMEDIATE; - ieee80211_send_ADDBARsp(ieee, dst, &BA, rc); - return 0; //we send RSP out. - } - -} - -/******************************************************************************************************************** - *function: RX ADDBARSP - * 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_ADDBARsp( struct ieee80211_device* ieee, struct sk_buff *skb) -{ - struct ieee80211_hdr_3addr* rsp = NULL; - PBA_RECORD pPendingBA, pAdmittedBA; - PTX_TS_RECORD pTS = NULL; - u8* dst = NULL, *pDialogToken = NULL, *tag = NULL; - u16* pStatusCode = NULL, *pBaTimeoutVal = NULL; - PBA_PARAM_SET pBaParamSet = NULL; - u16 ReasonCode; - - if (skb->len < sizeof( struct ieee80211_hdr_3addr) + 9) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, - " Invalid skb len in BARSP(%d / %zd)\n", - skb->len, - sizeof(struct ieee80211_hdr_3addr) + 9); - return -1; - } - rsp = ( struct ieee80211_hdr_3addr*)skb->data; - tag = (u8*)rsp; - dst = (u8*)(&rsp->addr2[0]); - tag += sizeof( struct ieee80211_hdr_3addr); - pDialogToken = tag + 2; - pStatusCode = (u16*)(tag + 3); - pBaParamSet = (PBA_PARAM_SET)(tag + 5); - pBaTimeoutVal = (u16*)(tag + 7); - - // Check the capability - // Since we can always receive A-MPDU, we just check if it is under HT mode. - if( ieee->current_network.qos_data.active == 0 || - ieee->pHTInfo->bCurrentHTSupport == false || - ieee->pHTInfo->bCurrentAMPDUEnable == false ) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "reject to ADDBA_RSP as some capability is not ready(%d, %d, %d)\n",ieee->current_network.qos_data.active, ieee->pHTInfo->bCurrentHTSupport, ieee->pHTInfo->bCurrentAMPDUEnable); - ReasonCode = DELBA_REASON_UNKNOWN_BA; - goto OnADDBARsp_Reject; - } - - - // - // Search for related TS. - // If there is no TS found, we wil reject ADDBA Rsp by sending DELBA frame. - // - if (!GetTs( - ieee, - (PTS_COMMON_INFO*)(&pTS), - dst, - (u8)(pBaParamSet->field.TID), - TX_DIR, - false) ) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "can't get TS in %s()\n", __FUNCTION__); - ReasonCode = DELBA_REASON_UNKNOWN_BA; - goto OnADDBARsp_Reject; - } - - pTS->bAddBaReqInProgress = false; - pPendingBA = &pTS->TxPendingBARecord; - pAdmittedBA = &pTS->TxAdmittedBARecord; - - - // - // Check if related BA is waiting for setup. - // If not, reject by sending DELBA frame. - // - if((pAdmittedBA->bValid==true)) - { - // Since BA is already setup, we ignore all other ADDBA Response. - IEEE80211_DEBUG(IEEE80211_DL_BA, "OnADDBARsp(): Recv ADDBA Rsp. Drop because already admit it! \n"); - return -1; - } - else if((pPendingBA->bValid == false) ||(*pDialogToken != pPendingBA->DialogToken)) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, "OnADDBARsp(): Recv ADDBA Rsp. BA invalid, DELBA! \n"); - ReasonCode = DELBA_REASON_UNKNOWN_BA; - goto OnADDBARsp_Reject; - } - else - { - IEEE80211_DEBUG(IEEE80211_DL_BA, "OnADDBARsp(): Recv ADDBA Rsp. BA is admitted! Status code:%X\n", *pStatusCode); - DeActivateBAEntry(ieee, pPendingBA); - } - - - if(*pStatusCode == ADDBA_STATUS_SUCCESS) - { - // - // Determine ADDBA Rsp content here. - // We can compare the value of BA parameter set that Peer returned and Self sent. - // If it is OK, then admitted. Or we can send DELBA to cancel BA mechanism. - // - if(pBaParamSet->field.BAPolicy == BA_POLICY_DELAYED) - { - // Since this is a kind of ADDBA failed, we delay next ADDBA process. - pTS->bAddBaReqDelayed = true; - DeActivateBAEntry(ieee, pAdmittedBA); - ReasonCode = DELBA_REASON_END_BA; - goto OnADDBARsp_Reject; - } - - - // - // Admitted condition - // - pAdmittedBA->DialogToken = *pDialogToken; - pAdmittedBA->BaTimeoutValue = *pBaTimeoutVal; - pAdmittedBA->BaStartSeqCtrl = pPendingBA->BaStartSeqCtrl; - pAdmittedBA->BaParamSet = *pBaParamSet; - DeActivateBAEntry(ieee, pAdmittedBA); - ActivateBAEntry(ieee, pAdmittedBA, *pBaTimeoutVal); - } else { - pTS->bAddBaReqDelayed = true; - pTS->bDisable_AddBa = true; - ReasonCode = DELBA_REASON_END_BA; - goto OnADDBARsp_Reject; - } - - // End of procedure - return 0; - -OnADDBARsp_Reject: - { - BA_RECORD BA; - BA.BaParamSet = *pBaParamSet; - ieee80211_send_DELBA(ieee, dst, &BA, TX_DIR, ReasonCode); - return 0; - } - -} - -/******************************************************************************************************************** - *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 ieee80211_hdr_3addr* delba = NULL; - PDELBA_PARAM_SET pDelBaParamSet = NULL; - u16* pReasonCode = NULL; - u8* dst = NULL; - - if (skb->len < sizeof( struct ieee80211_hdr_3addr) + 6) - { - IEEE80211_DEBUG(IEEE80211_DL_ERR, - " Invalid skb len in DELBA(%d / %zd)\n", - skb->len, - sizeof(struct ieee80211_hdr_3addr) + 6); - return -1; - } - - if(ieee->current_network.qos_data.active == 0 || - ieee->pHTInfo->bCurrentHTSupport == false ) - { - 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 ieee80211_hdr_3addr*)skb->data; - dst = (u8*)(&delba->addr2[0]); - delba += sizeof( struct ieee80211_hdr_3addr); - pDelBaParamSet = (PDELBA_PARAM_SET)(delba+2); - pReasonCode = (u16*)(delba+4); - - 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", __FUNCTION__); - 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", __FUNCTION__); - return -1; - } - - pTxTs->bUsingBa = false; - pTxTs->bAddBaReqInProgress = false; - pTxTs->bAddBaReqDelayed = false; - del_timer_sync(&pTxTs->TsAddBaTimer); - TxTsDeleteBA(ieee, pTxTs); - } - return 0; -} - -// -// ADDBA initiate. This can only be called by TX side. -// -void -TsInitAddBA( - struct ieee80211_device* ieee, - PTX_TS_RECORD pTS, - u8 Policy, - u8 bOverwritePending - ) -{ - PBA_RECORD pBA = &pTS->TxPendingBARecord; - - if(pBA->bValid==true && bOverwritePending==false) - return; - - // Set parameters to "Pending" variable set - DeActivateBAEntry(ieee, pBA); - - pBA->DialogToken++; // DialogToken: Only keep the latest dialog token - pBA->BaParamSet.field.AMSDU_Support = 0; // Do not support A-MSDU with A-MPDU now!! - pBA->BaParamSet.field.BAPolicy = Policy; // Policy: Delayed or Immediate - pBA->BaParamSet.field.TID = pTS->TsCommonInfo.TSpec.f.TSInfo.field.ucTSID; // TID - // BufferSize: This need to be set according to A-MPDU vector - pBA->BaParamSet.field.BufferSize = 32; // BufferSize: This need to be set according to A-MPDU vector - pBA->BaTimeoutValue = 0; // Timeout value: Set 0 to disable Timer - pBA->BaStartSeqCtrl.field.SeqNum = (pTS->TxCurSeq + 3) % 4096; // Block Ack will start after 3 packets later. - - ActivateBAEntry(ieee, pBA, BA_SETUP_TIMEOUT); - - ieee80211_send_ADDBAReq(ieee, pTS->TsCommonInfo.Addr, pBA); -} - -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 ); - } -} -/******************************************************************************************************************** - *function: BA setup timer - * input: unsigned long data //acturally we send TX_TS_RECORD or RX_TS_RECORD to these timer - * return: NULL - * notice: -********************************************************************************************************************/ -void BaSetupTimeOut(unsigned long data) -{ - PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data; - - pTxTs->bAddBaReqInProgress = false; - pTxTs->bAddBaReqDelayed = true; - pTxTs->TxPendingBARecord.bValid = false; -} - -void TxBaInactTimeout(unsigned long data) -{ - PTX_TS_RECORD pTxTs = (PTX_TS_RECORD)data; - struct ieee80211_device *ieee = container_of(pTxTs, struct ieee80211_device, TxTsRecord[pTxTs->num]); - TxTsDeleteBA(ieee, pTxTs); - ieee80211_send_DELBA( - ieee, - pTxTs->TsCommonInfo.Addr, - &pTxTs->TxAdmittedBARecord, - TX_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); - return ; -} - |
