struct xmit_buf * rtl8192ce_dequeue_xmitbuf(struct rtw_tx_ring *ring) { _irqL irqL; _list *plist, *phead; struct xmit_buf *pxmitbuf = NULL; _queue *ppending_queue = &ring->queue; _func_enter_; //_enter_critical(&ppending_queue->lock, &irqL); if(_rtw_queue_empty(ppending_queue) == _TRUE) { pxmitbuf = NULL; } else { phead = get_list_head(ppending_queue); plist = get_next(phead); pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); rtw_list_delete(&(pxmitbuf->list)); } ring->qlen--; //_exit_critical(&ppending_queue->lock, &irqL); _func_exit_; return pxmitbuf; }
void rtw_os_xmit_schedule(_adapter *padapter) { _adapter *pri_adapter = padapter; if(!padapter) return; if (_rtw_queue_empty(&padapter->xmitpriv.pending_xmitbuf_queue) == false) up(&pri_adapter->xmitpriv.xmit_sema); }
void rtw_os_xmit_schedule(_adapter *padapter) { #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) _adapter *pri_adapter = GET_PRIMARY_ADAPTER(padapter); if (!padapter) return; if (_rtw_queue_empty(&padapter->xmitpriv.pending_xmitbuf_queue) == _FALSE) _rtw_up_sema(&pri_adapter->xmitpriv.xmit_sema); #else _irqL irqL; struct xmit_priv *pxmitpriv; if (!padapter) return; pxmitpriv = &padapter->xmitpriv; _enter_critical_bh(&pxmitpriv->lock, &irqL); if (rtw_txframes_pending(padapter)) tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); _exit_critical_bh(&pxmitpriv->lock, &irqL); #if defined(CONFIG_PCI_HCI) && defined(CONFIG_XMIT_THREAD_MODE) if (_rtw_queue_empty(&padapter->xmitpriv.pending_xmitbuf_queue) == _FALSE) _rtw_up_sema(&padapter->xmitpriv.xmit_sema); #endif #endif }
struct xmit_buf *rtw_alloc_xmitbuf(PADAPTER padapter)//(_queue *pfree_xmit_queue) { /* Please remember to use all the osdep_service api, and lock/unlock or _enter/_exit critical to protect pfree_xmit_queue */ _irqL irqL; struct xmit_buf *pxmitbuf = NULL; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; _list *plist, *phead; _queue *pfree_xmit_queue = &pxmitpriv->free_xmit_queue; _func_enter_; _enter_critical(&pfree_xmit_queue->lock, &irqL); if (_rtw_queue_empty(pfree_xmit_queue) == _TRUE) { DBG_871X("rtw_alloc_xmitbuf failed!\n"); pxmitbuf= NULL; } else { phead = get_list_head(pfree_xmit_queue); plist = get_next(phead); pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); rtw_list_delete(&(pxmitbuf->list)); } if(pxmitbuf){ pxmitpriv->free_xmitbuf_cnt--; #ifdef DBG_XMIT_BUF DBG_871X("DBG_XMIT_BUF ALLOC no=%d, free_xmitbuf_cnt=%d\n",pxmitbuf->no, pxmitpriv->free_xmitbuf_cnt); #endif #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) pxmitbuf->pkt_len = 0; pxmitbuf->pdata = pxmitbuf->ptail = pxmitbuf->phead; #endif } _exit_critical(&pfree_xmit_queue->lock, &irqL); _func_exit_; return pxmitbuf; }
s32 check_pending_xmitbuf(PADAPTER padapter) { _irqL irql; _queue *pqueue; s32 ret = _FALSE; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; _func_enter_; pqueue = &pxmitpriv->xmitbuf_pending_queue; _enter_critical_bh(&pqueue->lock, &irql); if(_rtw_queue_empty(pqueue) == _FALSE) ret = _TRUE; _exit_critical_bh(&pqueue->lock, &irql); _func_exit_; return ret; }
void rtl8723bs_free_xmit_priv(PADAPTER padapter) { PHAL_DATA_TYPE phal; struct xmit_priv *pxmitpriv; struct xmit_buf *pxmitbuf; _queue *pqueue; _list *plist, *phead; _list tmplist; _irqL irql; phal = GET_HAL_DATA(padapter); pxmitpriv = &padapter->xmitpriv; pqueue = &pxmitpriv->pending_xmitbuf_queue; phead = get_list_head(pqueue); _rtw_init_listhead(&tmplist); _enter_critical_bh(&pqueue->lock, &irql); if (_rtw_queue_empty(pqueue) == _FALSE) { // Insert tmplist to end of queue, and delete phead // then tmplist become head of queue. rtw_list_insert_tail(&tmplist, phead); rtw_list_delete(phead); } _exit_critical_bh(&pqueue->lock, &irql); phead = &tmplist; while (rtw_is_list_empty(phead) == _FALSE) { plist = get_next(phead); rtw_list_delete(plist); pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list); rtw_free_xmitframe(pxmitpriv, (struct xmit_frame*)pxmitbuf->priv_data); pxmitbuf->priv_data = NULL; rtw_free_xmitbuf(pxmitpriv, pxmitbuf); } _rtw_spinlock_free(&phal->SdioTxFIFOFreePageLock); }
static void sd_rxhandler(PADAPTER padapter, struct recv_buf *precvbuf) { struct recv_priv *precvpriv; _queue *ppending_queue; precvpriv = &padapter->recvpriv; ppending_queue = &precvpriv->recv_buf_pending_queue; if (_rtw_queue_empty(ppending_queue) == _TRUE) { //3 1. enqueue recvbuf rtw_enqueue_recvbuf(precvbuf, ppending_queue); //3 2. schedule tasklet #ifdef PLATFORM_LINUX tasklet_schedule(&precvpriv->recv_tasklet); #endif } else rtw_enqueue_recvbuf(precvbuf, ppending_queue); }
void rtw_os_xmit_schedule(_adapter *padapter) { _adapter *pri_adapter = padapter; #if defined(CONFIG_SDIO_HCI) || defined(CONFIG_GSPI_HCI) if(!padapter) return; #ifdef CONFIG_CONCURRENT_MODE if(padapter->adapter_type > PRIMARY_ADAPTER) pri_adapter = padapter->pbuddy_adapter; #endif if (_rtw_queue_empty(&padapter->xmitpriv.pending_xmitbuf_queue) == _FALSE) _rtw_up_sema(&pri_adapter->xmitpriv.xmit_sema); #else _irqL irqL; struct xmit_priv *pxmitpriv; if(!padapter) return; pxmitpriv = &padapter->xmitpriv; _enter_critical_bh(&pxmitpriv->lock, &irqL); if(rtw_txframes_pending(padapter)) { tasklet_hi_schedule(&pxmitpriv->xmit_tasklet); } _exit_critical_bh(&pxmitpriv->lock, &irqL); #endif }
s32 rtl8812au_xmitframe_complete(_adapter *padapter, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); struct xmit_frame *pxmitframe = NULL; struct xmit_frame *pfirstframe = NULL; // aggregate variable struct hw_xmit *phwxmit; struct sta_info *psta = NULL; struct tx_servq *ptxservq = NULL; _irqL irqL; _list *xmitframe_plist = NULL, *xmitframe_phead = NULL; u32 pbuf; // next pkt address u32 pbuf_tail; // last pkt tail u32 len; // packet length, except TXDESC_SIZE and PKT_OFFSET u32 bulkSize = pHalData->UsbBulkOutSize; u8 descCount; u32 bulkPtr; // dump frame variable u32 ff_hwaddr; #ifndef IDEA_CONDITION int res = _SUCCESS; #endif RT_TRACE(_module_rtl8192c_xmit_c_, _drv_info_, ("+xmitframe_complete\n")); // check xmitbuffer is ok if (pxmitbuf == NULL) { pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); if (pxmitbuf == NULL){ //DBG_871X("%s #1, connot alloc xmitbuf!!!! \n",__FUNCTION__); return _FALSE; } } //DBG_8192C("%s ===================================== \n",__FUNCTION__); //3 1. pick up first frame do { rtw_free_xmitframe(pxmitpriv, pxmitframe); pxmitframe = rtw_dequeue_xframe(pxmitpriv, pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); if (pxmitframe == NULL) { // no more xmit frame, release xmit buffer //DBG_8192C("no more xmit frame ,return\n"); rtw_free_xmitbuf(pxmitpriv, pxmitbuf); return _FALSE; } #ifndef IDEA_CONDITION if (pxmitframe->frame_tag != DATA_FRAMETAG) { RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, ("xmitframe_complete: frame tag(%d) is not DATA_FRAMETAG(%d)!\n", pxmitframe->frame_tag, DATA_FRAMETAG)); // rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } // TID 0~15 if ((pxmitframe->attrib.priority < 0) || (pxmitframe->attrib.priority > 15)) { RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, ("xmitframe_complete: TID(%d) should be 0~15!\n", pxmitframe->attrib.priority)); // rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } #endif //DBG_8192C("==> pxmitframe->attrib.priority:%d\n",pxmitframe->attrib.priority); pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->pbuf; pxmitbuf->priv_data = pxmitframe; pxmitframe->agg_num = 1; // alloc xmitframe should assign to 1. #ifdef CONFIG_TX_EARLY_MODE pxmitframe->pkt_offset = (PACKET_OFFSET_SZ/8)+1; // 2; // first frame of aggregation, reserve one offset for EM info ,another for usb bulk-out block check #else pxmitframe->pkt_offset = (PACKET_OFFSET_SZ/8); // 1; // first frame of aggregation, reserve offset #endif if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) { DBG_871X("%s coalesce 1st xmitframe failed \n",__FUNCTION__); continue; } // always return ndis_packet after rtw_xmitframe_coalesce rtw_os_xmit_complete(padapter, pxmitframe); break; } while (1); //3 2. aggregate same priority and same DA(AP or STA) frames pfirstframe = pxmitframe; len = xmitframe_need_length(pfirstframe) + TXDESC_SIZE+(pfirstframe->pkt_offset*PACKET_OFFSET_SZ); pbuf_tail = len; pbuf = _RND8(pbuf_tail); // check pkt amount in one bulk descCount = 0; bulkPtr = bulkSize; if (pbuf < bulkPtr) descCount++; if (descCount == pHalData->UsbTxAggDescNum) goto agg_end; else { descCount = 0; bulkPtr = ((pbuf / bulkSize) + 1) * bulkSize; // round to next bulkSize } // dequeue same priority packet from station tx queue psta = pfirstframe->attrib.psta; switch (pfirstframe->attrib.priority) { case 1: case 2: ptxservq = &(psta->sta_xmitpriv.bk_q); phwxmit = pxmitpriv->hwxmits + 3; break; case 4: case 5: ptxservq = &(psta->sta_xmitpriv.vi_q); phwxmit = pxmitpriv->hwxmits + 1; break; case 6: case 7: ptxservq = &(psta->sta_xmitpriv.vo_q); phwxmit = pxmitpriv->hwxmits; break; case 0: case 3: default: ptxservq = &(psta->sta_xmitpriv.be_q); phwxmit = pxmitpriv->hwxmits + 2; break; } //DBG_8192C("==> pkt_no=%d,pkt_len=%d,len=%d,RND8_LEN=%d,pkt_offset=0x%02x\n", //pxmitframe->agg_num,pxmitframe->attrib.last_txcmdsz,len,pbuf,pxmitframe->pkt_offset ); _enter_critical_bh(&pxmitpriv->lock, &irqL); xmitframe_phead = get_list_head(&ptxservq->sta_pending); xmitframe_plist = get_next(xmitframe_phead); while (rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist) == _FALSE) { pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); xmitframe_plist = get_next(xmitframe_plist); if(_FAIL == rtw_hal_busagg_qsel_check(padapter,pfirstframe->attrib.qsel,pxmitframe->attrib.qsel)) break; pxmitframe->agg_num = 0; // not first frame of aggregation #ifdef CONFIG_TX_EARLY_MODE pxmitframe->pkt_offset = 1;// not first frame of aggregation,reserve offset for EM Info #else pxmitframe->pkt_offset = 0; // not first frame of aggregation, no need to reserve offset #endif len = xmitframe_need_length(pxmitframe) + TXDESC_SIZE +(pxmitframe->pkt_offset*PACKET_OFFSET_SZ); if (_RND8(pbuf + len) > MAX_XMITBUF_SZ) //if (_RND8(pbuf + len) > (MAX_XMITBUF_SZ/2))//to do : for TX TP finial tune , Georgia 2012-0323 { //DBG_8192C("%s....len> MAX_XMITBUF_SZ\n",__FUNCTION__); pxmitframe->agg_num = 1; pxmitframe->pkt_offset = 1; break; } rtw_list_delete(&pxmitframe->list); ptxservq->qcnt--; phwxmit->accnt--; #ifndef IDEA_CONDITION // suppose only data frames would be in queue if (pxmitframe->frame_tag != DATA_FRAMETAG) { RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, ("xmitframe_complete: frame tag(%d) is not DATA_FRAMETAG(%d)!\n", pxmitframe->frame_tag, DATA_FRAMETAG)); rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } // TID 0~15 if ((pxmitframe->attrib.priority < 0) || (pxmitframe->attrib.priority > 15)) { RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, ("xmitframe_complete: TID(%d) should be 0~15!\n", pxmitframe->attrib.priority)); rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } #endif // pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->pbuf + pbuf; if (rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe) == _FALSE) { DBG_871X("%s coalesce failed \n",__FUNCTION__); rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } //DBG_8192C("==> pxmitframe->attrib.priority:%d\n",pxmitframe->attrib.priority); // always return ndis_packet after rtw_xmitframe_coalesce rtw_os_xmit_complete(padapter, pxmitframe); // (len - TXDESC_SIZE) == pxmitframe->attrib.last_txcmdsz update_txdesc(pxmitframe, pxmitframe->buf_addr, pxmitframe->attrib.last_txcmdsz,_TRUE); // don't need xmitframe any more rtw_free_xmitframe(pxmitpriv, pxmitframe); // handle pointer and stop condition pbuf_tail = pbuf + len; pbuf = _RND8(pbuf_tail); pfirstframe->agg_num++; #ifdef CONFIG_TX_EARLY_MODE pxmitpriv->agg_pkt[pfirstframe->agg_num-1].offset = _RND8(len); pxmitpriv->agg_pkt[pfirstframe->agg_num-1].pkt_len = pxmitframe->attrib.last_txcmdsz; #endif if (MAX_TX_AGG_PACKET_NUMBER == pfirstframe->agg_num) break; if (pbuf < bulkPtr) { descCount++; if (descCount == pHalData->UsbTxAggDescNum) break; } else { descCount = 0; bulkPtr = ((pbuf / bulkSize) + 1) * bulkSize; } }//end while( aggregate same priority and same DA(AP or STA) frames) if (_rtw_queue_empty(&ptxservq->sta_pending) == _TRUE) rtw_list_delete(&ptxservq->tx_pending); _exit_critical_bh(&pxmitpriv->lock, &irqL); agg_end: #ifdef CONFIG_80211N_HT if ((pfirstframe->attrib.ether_type != 0x0806) && (pfirstframe->attrib.ether_type != 0x888e) && (pfirstframe->attrib.ether_type != 0x88b4) && (pfirstframe->attrib.dhcp_pkt != 1)) { rtw_issue_addbareq_cmd(padapter, pfirstframe); } #endif //CONFIG_80211N_HT #ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX //3 3. update first frame txdesc if ((PACKET_OFFSET_SZ != 0) && ((pbuf_tail % bulkSize) == 0)) { // remove pkt_offset pbuf_tail -= PACKET_OFFSET_SZ; pfirstframe->buf_addr += PACKET_OFFSET_SZ; pfirstframe->pkt_offset--; //DBG_8192C("$$$$$ buf size equal to USB block size $$$$$$\n"); } #endif // CONFIG_USE_USB_BUFFER_ALLOC_TX update_txdesc(pfirstframe, pfirstframe->buf_addr, pfirstframe->attrib.last_txcmdsz,_TRUE); #ifdef CONFIG_TX_EARLY_MODE //prepare EM info for first frame, agg_num value start from 1 pxmitpriv->agg_pkt[0].offset = _RND8(pfirstframe->attrib.last_txcmdsz +TXDESC_SIZE +(pfirstframe->pkt_offset*PACKET_OFFSET_SZ)); pxmitpriv->agg_pkt[0].pkt_len = pfirstframe->attrib.last_txcmdsz;//get from rtw_xmitframe_coalesce UpdateEarlyModeInfo8812(pxmitpriv,pxmitbuf ); #endif //3 4. write xmit buffer to USB FIFO ff_hwaddr = rtw_get_ff_hwaddr(pfirstframe); //DBG_8192C("%s ===================================== write port,buf_size(%d) \n",__FUNCTION__,pbuf_tail); // xmit address == ((xmit_frame*)pxmitbuf->priv_data)->buf_addr rtw_write_port(padapter, ff_hwaddr, pbuf_tail, (u8*)pxmitbuf); //3 5. update statisitc pbuf_tail -= (pfirstframe->agg_num * TXDESC_SIZE); pbuf_tail -= (pfirstframe->pkt_offset * PACKET_OFFSET_SZ); rtw_count_tx_stats(padapter, pfirstframe, pbuf_tail); rtw_free_xmitframe(pxmitpriv, pfirstframe); return _TRUE; }
//struct sta_info *rtw_alloc_stainfo(_queue *pfree_sta_queue, unsigned char *hwaddr) struct sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) { _irqL irqL, irqL2; uint tmp_aid; s32 index; _list *phash_list; struct sta_info *psta; _queue *pfree_sta_queue; struct recv_reorder_ctrl *preorder_ctrl; int i = 0; u16 wRxSeqInitialValue = 0xffff; _func_enter_; pfree_sta_queue = &pstapriv->free_sta_queue; //_enter_critical_bh(&(pfree_sta_queue->lock), &irqL); _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); if (_rtw_queue_empty(pfree_sta_queue) == _TRUE) { //_exit_critical_bh(&(pfree_sta_queue->lock), &irqL); _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); psta = NULL; } else { psta = LIST_CONTAINOR(get_next(&pfree_sta_queue->queue), struct sta_info, list); rtw_list_delete(&(psta->list)); //_exit_critical_bh(&(pfree_sta_queue->lock), &irqL); tmp_aid = psta->aid; _rtw_init_stainfo(psta); psta->padapter = pstapriv->padapter; _rtw_memcpy(psta->hwaddr, hwaddr, ETH_ALEN); index = wifi_mac_hash(hwaddr); RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_info_,("rtw_alloc_stainfo: index = %x", index)); if(index >= NUM_STA){ RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_err_,("ERROR=> rtw_alloc_stainfo: index >= NUM_STA")); psta= NULL; goto exit; } phash_list = &(pstapriv->sta_hash[index]); //_enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); rtw_list_insert_tail(&psta->hash_list, phash_list); pstapriv->asoc_sta_count ++ ; //_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); // Commented by Albert 2009/08/13 // For the SMC router, the sequence number of first packet of WPS handshake will be 0. // In this case, this packet will be dropped by recv_decache function if we use the 0x00 as the default value for tid_rxseq variable. // So, we initialize the tid_rxseq variable as the 0xffff. for( i = 0; i < 16; i++ ) { _rtw_memcpy( &psta->sta_recvpriv.rxcache.tid_rxseq[ i ], &wRxSeqInitialValue, 2 ); } RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_info_,("alloc number_%d stainfo with hwaddr = %x %x %x %x %x %x \n", pstapriv->asoc_sta_count , hwaddr[0], hwaddr[1], hwaddr[2],hwaddr[3],hwaddr[4],hwaddr[5])); init_addba_retry_timer(pstapriv->padapter, psta); #ifdef CONFIG_IEEE80211W init_dot11w_expire_timer(pstapriv->padapter, psta); #endif /* CONFIG_IEEE80211W */ #ifdef CONFIG_TDLS rtw_init_tdls_timer(pstapriv->padapter, psta); #endif //CONFIG_TDLS //for A-MPDU Rx reordering buffer control for(i=0; i < 16 ; i++) { preorder_ctrl = &psta->recvreorder_ctrl[i]; preorder_ctrl->padapter = pstapriv->padapter; preorder_ctrl->enable = _FALSE; preorder_ctrl->indicate_seq = 0xffff; #ifdef DBG_RX_SEQ DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d\n", __FUNCTION__, __LINE__, preorder_ctrl->indicate_seq); #endif preorder_ctrl->wend_b= 0xffff; //preorder_ctrl->wsize_b = (NR_RECVBUFF-2); preorder_ctrl->wsize_b = 64;//64; preorder_ctrl->ampdu_size = RX_AMPDU_SIZE_INVALID; _rtw_init_queue(&preorder_ctrl->pending_recvframe_queue); rtw_init_recv_timer(preorder_ctrl); } //init for DM psta->rssi_stat.UndecoratedSmoothedPWDB = (-1); psta->rssi_stat.UndecoratedSmoothedCCK = (-1); #ifdef CONFIG_ATMEL_RC_PATCH psta->flag_atmel_rc = 0; #endif /* init for the sequence number of received management frame */ psta->RxMgmtFrameSeqNum = 0xffff; //alloc mac id for non-bc/mc station, rtw_alloc_macid(pstapriv->padapter, psta); } exit: _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); _func_exit_; return psta; }
s32 rtl8192du_xmitframe_complete(_adapter *padapter, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); struct xmit_frame *pxmitframe = NULL; struct xmit_frame *pfirstframe = NULL; // aggregate variable struct hw_xmit *phwxmit = pxmitpriv->hwxmits; struct tx_servq *ptxservq = NULL; _irqL irqL; _list *xmitframe_plist = NULL, *xmitframe_phead = NULL; u32 pbuf=0; // next pkt address u32 pbuf_tail; // last pkt tail u32 len=0; //packet length, except TXDESC_SIZE and PKT_OFFSET u32 aggMaxLength = MAX_XMITBUF_SZ; u32 bulkSize = pHalData->UsbBulkOutSize; u32 bulkPtr=0; u8 descCount=0; u8 ac_index; u8 bfirst = _TRUE;//first aggregation xmitframe u8 bulkstart = _FALSE; // dump frame variable u32 ff_hwaddr; #ifndef IDEA_CONDITION int res = _SUCCESS; #endif RT_TRACE(_module_rtl8192c_xmit_c_, _drv_info_, ("+xmitframe_complete\n")); // check xmitbuffer is ok if (pxmitbuf == NULL) { pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); if (pxmitbuf == NULL) return _FALSE; } if(pHalData->MacPhyMode92D==SINGLEMAC_SINGLEPHY) aggMaxLength = MAX_XMITBUF_SZ; else aggMaxLength = 0x3D00; do { //3 1. pick up first frame if(bfirst) { pxmitframe = rtw_dequeue_xframe(pxmitpriv, pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); if (pxmitframe == NULL) { // no more xmit frame, release xmit buffer rtw_free_xmitbuf(pxmitpriv, pxmitbuf); return _FALSE; } pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->pbuf; pxmitbuf->priv_data = pxmitframe; //pxmitframe->agg_num = 1; // alloc xmitframe should assign to 1. pxmitframe->pkt_offset = USB_92D_DUMMY_OFFSET; // first frame of aggregation, reserve 2 offset for 512 alignment and early mode pfirstframe = pxmitframe; _enter_critical_bh(&pxmitpriv->lock, &irqL); ptxservq = rtw_get_sta_pending(padapter, pfirstframe->attrib.psta, pfirstframe->attrib.priority, (u8 *)(&ac_index)); _exit_critical_bh(&pxmitpriv->lock, &irqL); } //3 2. aggregate same priority and same DA(AP or STA) frames else { // dequeue same priority packet from station tx queue _enter_critical_bh(&pxmitpriv->lock, &irqL); if (_rtw_queue_empty(&ptxservq->sta_pending) == _FALSE) { xmitframe_phead = get_list_head(&ptxservq->sta_pending); xmitframe_plist = get_next(xmitframe_phead); pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); len = xmitframe_need_length(pxmitframe) + TXDESC_SIZE + ((USB_92D_DUMMY_OFFSET - 1) * PACKET_OFFSET_SZ); if (pbuf + _RND8(len) > aggMaxLength) { bulkstart = _TRUE; } else { rtw_list_delete(&pxmitframe->list); ptxservq->qcnt--; phwxmit[ac_index].accnt--; //Remove sta node when there is no pending packets. if (_rtw_queue_empty(&ptxservq->sta_pending) == _TRUE) rtw_list_delete(&ptxservq->tx_pending); } } else { bulkstart = _TRUE; } _exit_critical_bh(&pxmitpriv->lock, &irqL); if(bulkstart) { break; } pxmitframe->buf_addr = pxmitbuf->pbuf + pbuf; pxmitframe->agg_num = 0; // not first frame of aggregation pxmitframe->pkt_offset = USB_92D_DUMMY_OFFSET - 1; // not first frame of aggregation, reserve 1 offset for early mode }
struct sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) { unsigned long irqL, irqL2; s32 index; struct list_head *phash_list; struct sta_info *psta; struct __queue *pfree_sta_queue; struct recv_reorder_ctrl *preorder_ctrl; int i = 0; u16 wRxSeqInitialValue = 0xffff; _func_enter_; pfree_sta_queue = &pstapriv->free_sta_queue; _enter_critical_bh(&(pfree_sta_queue->lock), &irqL); if (_rtw_queue_empty(pfree_sta_queue) == true) { _exit_critical_bh(&(pfree_sta_queue->lock), &irqL); psta = NULL; } else { psta = LIST_CONTAINOR(get_next(&pfree_sta_queue->queue), struct sta_info, list); rtw_list_delete(&(psta->list)); _exit_critical_bh(&(pfree_sta_queue->lock), &irqL); _rtw_init_stainfo(psta); _rtw_memcpy(psta->hwaddr, hwaddr, ETH_ALEN); index = wifi_mac_hash(hwaddr); RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_info_,("rtw_alloc_stainfo: index = %x", index)); if (index >= NUM_STA) { RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_err_,("ERROR=> rtw_alloc_stainfo: index >= NUM_STA")); psta= NULL; goto exit; } phash_list = &(pstapriv->sta_hash[index]); _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); rtw_list_insert_tail(&psta->hash_list, phash_list); pstapriv->asoc_sta_count ++ ; _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); /* Commented by Albert 2009/08/13 */ /* For the SMC router, the sequence number of first packet of WPS handshake will be 0. */ /* In this case, this packet will be dropped by recv_decache function if we use the 0x00 as the default value for tid_rxseq variable. */ /* So, we initialize the tid_rxseq variable as the 0xffff. */ for ( i = 0; i < 16; i++ ) { _rtw_memcpy( &psta->sta_recvpriv.rxcache.tid_rxseq[ i ], &wRxSeqInitialValue, 2 ); } RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_info_,("alloc number_%d stainfo with hwaddr = %x %x %x %x %x %x\n", pstapriv->asoc_sta_count , hwaddr[0], hwaddr[1], hwaddr[2],hwaddr[3],hwaddr[4],hwaddr[5])); init_addba_retry_timer(pstapriv->padapter, psta); /* for A-MPDU Rx reordering buffer control */ for (i=0; i < 16 ; i++) { preorder_ctrl = &psta->recvreorder_ctrl[i]; preorder_ctrl->padapter = pstapriv->padapter; preorder_ctrl->enable = false; preorder_ctrl->indicate_seq = 0xffff; preorder_ctrl->wend_b= 0xffff; preorder_ctrl->wsize_b = 64;/* 64; */ _rtw_init_queue(&preorder_ctrl->pending_recvframe_queue); rtw_init_recv_timer(preorder_ctrl); } /* init for DM */ psta->rssi_stat.UndecoratedSmoothedPWDB = (-1); psta->rssi_stat.UndecoratedSmoothedCCK = (-1); /* init for the sequence number of received management frame */ psta->RxMgmtFrameSeqNum = 0xffff; } exit: _func_exit_; return psta; }
static u8 do_join(_adapter * padapter) { _list *plist, *phead; u8* pibss = NULL; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); _queue *queue = &(pmlmepriv->scanned_queue); u8 ret=_TRUE; phead = get_list_head(queue); plist = get_next(phead); _func_enter_; RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("\n do_join: phead = %p; plist = %p \n\n\n", phead, plist)); pmlmepriv->cur_network.join_res = -2; pmlmepriv->fw_state |= _FW_UNDER_LINKING; pmlmepriv->pscanned = plist; pmlmepriv->to_join = _TRUE; if(_rtw_queue_empty(queue)== _TRUE) { if(pmlmepriv->fw_state & _FW_UNDER_LINKING) pmlmepriv->fw_state ^= _FW_UNDER_LINKING; //when set_ssid/set_bssid for do_join(), but scanning queue is empty //we try to issue sitesurvey firstly if(pmlmepriv->sitesurveyctrl.traffic_busy==_FALSE) { // submit site_survey_cmd rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid); RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("do_join(): site survey if scanned_queue is empty\n.")); } //ret=_FALSE; goto exit; } else { int ret; if((ret=rtw_select_and_join_from_scanned_queue(pmlmepriv))==_SUCCESS) { _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); } #if 0 else if(ret == 2) { DBG_8712("*****UNDER_LINKED WITH SAME NETWORK, RETURN*****\n"); if(pmlmepriv->fw_state & _FW_UNDER_LINKING) pmlmepriv->fw_state ^= _FW_UNDER_LINKING; } #endif else { if(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)==_TRUE) { // submit rtw_createbss_cmd to change to a ADHOC_MASTER //pmlmepriv->lock has been acquired by caller... WLAN_BSSID_EX *pdev_network = &(padapter->registrypriv.dev_network); pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE; pibss = padapter->registrypriv.dev_network.MacAddress; _rtw_memset(&pdev_network->Ssid, 0, sizeof(NDIS_802_11_SSID)); _rtw_memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(NDIS_802_11_SSID)); rtw_update_registrypriv_dev_network(padapter); rtw_generate_random_ibss(pibss); if(rtw_createbss_cmd(padapter)!=_SUCCESS) { RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_err_,("***Error=>do_goin: rtw_createbss_cmd status FAIL*** \n ")); return _FALSE; } pmlmepriv->to_join = _FALSE; RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("***Error=> rtw_select_and_join_from_scanned_queue FAIL under STA_Mode*** \n ")); } else { // can't associate ; reset under-linking if(pmlmepriv->fw_state & _FW_UNDER_LINKING) pmlmepriv->fw_state ^= _FW_UNDER_LINKING; #if 0 if((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _TRUE)) { if(_rtw_memcmp(pmlmepriv->cur_network.network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength)) { // for funk to do roaming // funk will reconnect, but funk will not sitesurvey before reconnect RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("for funk to do roaming")); if(pmlmepriv->sitesurveyctrl.traffic_busy==_FALSE) rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid); } } #endif //when set_ssid/set_bssid for do_join(), but there are no desired bss in scanning queue //we try to issue sitesurvey firstly if(pmlmepriv->sitesurveyctrl.traffic_busy==_FALSE) { //printk("do_join() when no desired bss in scanning queue \n"); rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid); } } } } exit: _func_exit_; return ret; }
u8 rtw_do_join(struct rtw_adapter *padapter) { struct list_head *plist, *phead; u8 *pibss = NULL; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct __queue *queue = &(pmlmepriv->scanned_queue); u8 ret = _SUCCESS; _func_enter_; spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); phead = get_list_head(queue); plist = get_next(phead); RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("\n rtw_do_join: phead = %p; plist = %p\n\n\n", phead, plist)); pmlmepriv->cur_network.join_res = -2; set_fwstate(pmlmepriv, _FW_UNDER_LINKING); pmlmepriv->pscanned = plist; pmlmepriv->to_join = true; if (_rtw_queue_empty(queue) == true) { spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); /* when set_ssid/set_bssid for rtw_do_join(), but scanning queue is empty */ /* we try to issue sitesurvey firstly */ if (pmlmepriv->LinkDetectInfo.bBusyTraffic == false || rtw_to_roaming(padapter) > 0) { RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("rtw_do_join(): site survey if scanned_queue is empty\n.")); /* submit site_survey_cmd */ ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0); if (_SUCCESS != ret) { RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("rtw_do_join(): site survey return error\n.")); } } goto exit; } else { int select_ret; spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); select_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv); if (select_ret == _SUCCESS) { pmlmepriv->to_join = false; _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); } else if (ret == 2) { /* there is no need to wait for join */ ret = _SUCCESS; _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); rtw_indicate_connect(padapter); } else { if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) { /* submit createbss_cmd to change to a ADHOC_MASTER */ /* pmlmepriv->lock has been acquired by caller... */ struct wlan_bssid_ex *pdev_network = &(padapter->registrypriv.dev_network); pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE; pibss = padapter->registrypriv.dev_network.MacAddress; memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid)); memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid)); rtw_update_registrypriv_dev_network(padapter); rtw_generate_random_ibss(pibss); if (rtw_createbss_cmd(padapter) != _SUCCESS) { RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error=>do_goin: rtw_createbss_cmd status FAIL***\n ")); ret = false; goto exit; } pmlmepriv->to_join = false; RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("***Error=> rtw_select_and_join_from_scanned_queue FAIL under STA_Mode***\n ")); } else { /* can't associate; reset under-linking */ _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); /* when set_ssid/set_bssid for rtw_do_join(), but there are no desired bss in scanning queue */ /* we try to issue sitesurvey firstly */ if (pmlmepriv->LinkDetectInfo.bBusyTraffic == false || rtw_to_roaming(padapter) > 0) { ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0); if (_SUCCESS != ret) RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("do_join(): site survey return error\n.")); } } } } exit: _func_exit_; return ret; }
u8 rtw_do_join(_adapter * padapter) { _irqL irqL; _list *plist, *phead; u8* pibss = NULL; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); _queue *queue = &(pmlmepriv->scanned_queue); u8 ret=_SUCCESS; _func_enter_; _enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL); phead = get_list_head(queue); plist = get_next(phead); RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("\n rtw_do_join: phead = %p; plist = %p \n\n\n", phead, plist)); pmlmepriv->cur_network.join_res = -2; set_fwstate(pmlmepriv, _FW_UNDER_LINKING); pmlmepriv->pscanned = plist; pmlmepriv->to_join = _TRUE; if(_rtw_queue_empty(queue)== _TRUE) { _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL); _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); //when set_ssid/set_bssid for rtw_do_join(), but scanning queue is empty //we try to issue sitesurvey firstly if (pmlmepriv->LinkDetectInfo.bBusyTraffic ==_FALSE || rtw_to_roaming(padapter) > 0 ) { RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("rtw_do_join(): site survey if scanned_queue is empty\n.")); // submit site_survey_cmd if(_SUCCESS!=(ret=rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) ) { RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_err_,("rtw_do_join(): site survey return error\n.")); } } goto exit; } else { int select_ret; _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL); if((select_ret=rtw_select_and_join_from_scanned_queue(pmlmepriv))==_SUCCESS) { pmlmepriv->to_join = _FALSE; _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); } else if(ret == 2)//there is no need to wait for join { ret = _SUCCESS; _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); rtw_indicate_connect(padapter); } else { if(check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)==_TRUE) { // submit createbss_cmd to change to a ADHOC_MASTER //pmlmepriv->lock has been acquired by caller... WLAN_BSSID_EX *pdev_network = &(padapter->registrypriv.dev_network); pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE; pibss = padapter->registrypriv.dev_network.MacAddress; _rtw_memset(&pdev_network->Ssid, 0, sizeof(NDIS_802_11_SSID)); _rtw_memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(NDIS_802_11_SSID)); rtw_update_registrypriv_dev_network(padapter); rtw_generate_random_ibss(pibss); if(rtw_createbss_cmd(padapter)!=_SUCCESS) { RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_err_,("***Error=>do_goin: rtw_createbss_cmd status FAIL*** \n ")); ret = _FALSE; goto exit; } pmlmepriv->to_join = _FALSE; RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("***Error=> rtw_select_and_join_from_scanned_queue FAIL under STA_Mode*** \n ")); } else { // can't associate ; reset under-linking _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); #if 0 if((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == _TRUE)) { if(_rtw_memcmp(pmlmepriv->cur_network.network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength)) { // for funk to do roaming // funk will reconnect, but funk will not sitesurvey before reconnect RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_info_,("for funk to do roaming")); if(pmlmepriv->sitesurveyctrl.traffic_busy==_FALSE) rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0); } } #endif //when set_ssid/set_bssid for rtw_do_join(), but there are no desired bss in scanning queue //we try to issue sitesurvey firstly if(pmlmepriv->LinkDetectInfo.bBusyTraffic==_FALSE || rtw_to_roaming(padapter) > 0 ) { //DBG_871X("rtw_do_join() when no desired bss in scanning queue \n"); if( _SUCCESS!=(ret=rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) ){ RT_TRACE(_module_rtl871x_ioctl_set_c_,_drv_err_,("do_join(): site survey return error\n.")); } } } } } exit: _func_exit_; return ret; }
/* * Description: * Aggregation packets and send to hardware * * Return: * 0 Success * -1 Hardware resource(TX FIFO) not ready * -2 Software resource(xmitbuf) not ready */ static s32 xmit_xmitframes(PADAPTER padapter, struct xmit_priv *pxmitpriv) { s32 err, ret; u32 k=0; struct hw_xmit *hwxmits, *phwxmit; u8 no_res, idx, hwentry; _irqL irql; struct tx_servq *ptxservq; _list *sta_plist, *sta_phead, *frame_plist, *frame_phead; struct xmit_frame *pxmitframe; _queue *pframe_queue; struct xmit_buf *pxmitbuf; u32 txlen; u8 txdesc_size = TXDESC_SIZE; int inx[4]; err = 0; no_res = _FALSE; hwxmits = pxmitpriv->hwxmits; hwentry = pxmitpriv->hwxmit_entry; ptxservq = NULL; pxmitframe = NULL; pframe_queue = NULL; pxmitbuf = NULL; if (padapter->registrypriv.wifi_spec == 1) { for(idx=0; idx<4; idx++) inx[idx] = pxmitpriv->wmm_para_seq[idx]; } else { inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; } // 0(VO), 1(VI), 2(BE), 3(BK) for (idx = 0; idx < hwentry; idx++) { phwxmit = hwxmits + inx[idx]; if((check_pending_xmitbuf(pxmitpriv) == _TRUE) && (padapter->mlmepriv.LinkDetectInfo.bHigherBusyTxTraffic == _TRUE)) { if ((phwxmit->accnt > 0) && (phwxmit->accnt < 5)) { err = -2; break; } } _enter_critical_bh(&pxmitpriv->lock, &irql); sta_phead = get_list_head(phwxmit->sta_queue); sta_plist = get_next(sta_phead); //because stop_sta_xmit may delete sta_plist at any time //so we should add lock here, or while loop can not exit while (rtw_end_of_queue_search(sta_phead, sta_plist) == _FALSE) { ptxservq = LIST_CONTAINOR(sta_plist, struct tx_servq, tx_pending); sta_plist = get_next(sta_plist); #ifdef DBG_XMIT_BUF DBG_871X("%s idx:%d hwxmit_pkt_num:%d ptxservq_pkt_num:%d\n", __func__, idx, phwxmit->accnt, ptxservq->qcnt); DBG_871X("%s free_xmit_extbuf_cnt=%d free_xmitbuf_cnt=%d free_xmitframe_cnt=%d \n", __func__, pxmitpriv->free_xmit_extbuf_cnt, pxmitpriv->free_xmitbuf_cnt, pxmitpriv->free_xmitframe_cnt); #endif pframe_queue = &ptxservq->sta_pending; frame_phead = get_list_head(pframe_queue); while (rtw_is_list_empty(frame_phead) == _FALSE) { frame_plist = get_next(frame_phead); pxmitframe = LIST_CONTAINOR(frame_plist, struct xmit_frame, list); // check xmit_buf size enough or not txlen = txdesc_size + rtw_wlan_pkt_size(pxmitframe); if ((NULL == pxmitbuf) || ((pxmitbuf->ptail + txlen) > pxmitbuf->pend) #ifdef SDIO_TX_AGG_MAX || (k >= SDIO_TX_AGG_MAX) #endif ) { if (pxmitbuf) { //pxmitbuf->priv_data will be NULL, and will crash here if (pxmitbuf->len > 0 && pxmitbuf->priv_data) { struct xmit_frame *pframe; pframe = (struct xmit_frame*)pxmitbuf->priv_data; pframe->agg_num = k; pxmitbuf->agg_num = k; rtl8723b_update_txdesc(pframe, pframe->buf_addr); rtw_free_xmitframe(pxmitpriv, pframe); pxmitbuf->priv_data = NULL; enqueue_pending_xmitbuf(pxmitpriv, pxmitbuf); //can not yield under lock //rtw_yield_os(); } else { rtw_free_xmitbuf(pxmitpriv, pxmitbuf); } } pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); if (pxmitbuf == NULL) { #ifdef DBG_XMIT_BUF DBG_871X_LEVEL(_drv_err_, "%s: xmit_buf is not enough!\n", __FUNCTION__); #endif err = -2; break; } k = 0; } // ok to send, remove frame from queue #ifdef CONFIG_AP_MODE if (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == _TRUE) { if ((pxmitframe->attrib.psta->state & WIFI_SLEEP_STATE) && (pxmitframe->attrib.triggered == 0)) { DBG_871X("%s: one not triggered pkt in queue when this STA sleep," " break and goto next sta\n", __func__); break; } } #endif rtw_list_delete(&pxmitframe->list); ptxservq->qcnt--; phwxmit->accnt--; if (k == 0) { pxmitbuf->ff_hwaddr = rtw_get_ff_hwaddr(pxmitframe); pxmitbuf->priv_data = (u8*)pxmitframe; } // coalesce the xmitframe to xmitbuf pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->ptail; ret = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); if (ret == _FAIL) { DBG_871X_LEVEL(_drv_err_, "%s: coalesce FAIL!", __FUNCTION__); // Todo: error handler } else { k++; if (k != 1) rtl8723b_update_txdesc(pxmitframe, pxmitframe->buf_addr); rtw_count_tx_stats(padapter, pxmitframe, pxmitframe->attrib.last_txcmdsz); txlen = txdesc_size + pxmitframe->attrib.last_txcmdsz; pxmitframe->pg_num = (txlen + 127)/128; pxmitbuf->pg_num += (txlen + 127)/128; //if (k != 1) // ((struct xmit_frame*)pxmitbuf->priv_data)->pg_num += pxmitframe->pg_num; pxmitbuf->ptail += _RND(txlen, 8); // round to 8 bytes alignment pxmitbuf->len = _RND(pxmitbuf->len, 8) + txlen; } if (k != 1) rtw_free_xmitframe(pxmitpriv, pxmitframe); pxmitframe = NULL; } if (_rtw_queue_empty(pframe_queue) == _TRUE) rtw_list_delete(&ptxservq->tx_pending); if (err) break; } _exit_critical_bh(&pxmitpriv->lock, &irql); // dump xmit_buf to hw tx fifo if (pxmitbuf) { RT_TRACE(_module_hal_xmit_c_, _drv_info_, ("pxmitbuf->len=%d enqueue\n",pxmitbuf->len)); if (pxmitbuf->len > 0) { struct xmit_frame *pframe; pframe = (struct xmit_frame*)pxmitbuf->priv_data; pframe->agg_num = k; pxmitbuf->agg_num = k; rtl8723b_update_txdesc(pframe, pframe->buf_addr); rtw_free_xmitframe(pxmitpriv, pframe); pxmitbuf->priv_data = NULL; enqueue_pending_xmitbuf(pxmitpriv, pxmitbuf); rtw_yield_os(); } else rtw_free_xmitbuf(pxmitpriv, pxmitbuf); pxmitbuf = NULL; } if (err) break; } return err; }
//struct sta_info *rtw_alloc_stainfo(_queue *pfree_sta_queue, unsigned char *hwaddr) struct sta_info *rtw_alloc_stainfo(struct sta_priv *pstapriv, u8 *hwaddr) { _irqL irqL, irqL2; uint tmp_aid; s32 index; _list *phash_list; struct sta_info *psta; _queue *pfree_sta_queue; struct recv_reorder_ctrl *preorder_ctrl; int i = 0; u16 wRxSeqInitialValue = 0xffff; _func_enter_; pfree_sta_queue = &pstapriv->free_sta_queue; _enter_critical_bh(&(pfree_sta_queue->lock), &irqL); if (_rtw_queue_empty(pfree_sta_queue) == _TRUE) { psta = NULL; } else { psta = LIST_CONTAINOR(get_next(&pfree_sta_queue->queue), struct sta_info, list); rtw_list_delete(&(psta->list)); tmp_aid = psta->aid; _rtw_init_stainfo(psta); _rtw_memcpy(psta->hwaddr, hwaddr, ETH_ALEN); index = wifi_mac_hash(hwaddr); RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_info_,("rtw_alloc_stainfo: index = %x", index)); if(index >= NUM_STA) { RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_err_,("ERROR=> rtw_alloc_stainfo: index >= NUM_STA")); psta= NULL; goto exit; } phash_list = &(pstapriv->sta_hash[index]); _enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); rtw_list_insert_tail(&psta->hash_list, phash_list); pstapriv->asoc_sta_count ++ ; _exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL2); // Commented by Albert 2009/08/13 // For the SMC router, the sequence number of first packet of WPS handshake will be 0. // In this case, this packet will be dropped by recv_decache function if we use the 0x00 as the default value for tid_rxseq variable. // So, we initialize the tid_rxseq variable as the 0xffff. for( i = 0; i < 16; i++ ) { _rtw_memcpy( &psta->sta_recvpriv.rxcache.tid_rxseq[ i ], &wRxSeqInitialValue, 2 ); } RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_info_,("alloc number_%d stainfo with hwaddr = %x %x %x %x %x %x \n", pstapriv->asoc_sta_count , hwaddr[0], hwaddr[1], hwaddr[2],hwaddr[3],hwaddr[4],hwaddr[5])); init_addba_retry_timer(pstapriv->padapter, psta); #ifdef CONFIG_TDLS psta->padapter = pstapriv->padapter; init_TPK_timer(pstapriv->padapter, psta); _init_workitem(&psta->option_workitem, TDLS_option_workitem_callback, psta); init_ch_switch_timer(pstapriv->padapter, psta); init_base_ch_timer(pstapriv->padapter, psta); _init_workitem(&psta->base_ch_workitem, base_channel_workitem_callback, psta); init_off_ch_timer(pstapriv->padapter, psta); _init_workitem(&psta->off_ch_workitem, off_channel_workitem_callback, psta); #endif //for A-MPDU Rx reordering buffer control for(i=0; i < 16 ; i++) { preorder_ctrl = &psta->recvreorder_ctrl[i]; preorder_ctrl->padapter = pstapriv->padapter; preorder_ctrl->enable = _FALSE; preorder_ctrl->indicate_seq = 0xffff; #ifdef DBG_RX_SEQ DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d\n", __FUNCTION__, __LINE__, preorder_ctrl->indicate_seq); #endif preorder_ctrl->wend_b= 0xffff; //preorder_ctrl->wsize_b = (NR_RECVBUFF-2); preorder_ctrl->wsize_b = 64;//64; _rtw_init_queue(&preorder_ctrl->pending_recvframe_queue); rtw_init_recv_timer(preorder_ctrl); } } exit: _exit_critical_bh(&(pfree_sta_queue->lock), &irqL); _func_exit_; return psta; }
/* * Description: * Aggregation packets and send to hardware * * Return: * 0 Success * -1 Hardware resource(TX FIFO) not ready * -2 Software resource(xmitbuf) not ready */ static s32 xmit_xmitframes(PADAPTER padapter, struct xmit_priv *pxmitpriv) { s32 err, ret; u32 k; struct hw_xmit *hwxmits; u8 no_res, idx, hwentry; _irqL irql; // _irqL irqL0, irqL1; struct tx_servq *ptxservq; _list *sta_plist, *sta_phead, *frame_plist, *frame_phead; struct xmit_frame *pxmitframe; _queue *pframe_queue; struct xmit_buf *pxmitbuf; u32 txlen; err = 0; no_res = _FALSE; hwxmits = pxmitpriv->hwxmits; hwentry = pxmitpriv->hwxmit_entry; ptxservq = NULL; pxmitframe = NULL; pframe_queue = NULL; pxmitbuf = NULL; // 0(VO), 1(VI), 2(BE), 3(BK) for (idx = 0; idx < hwentry; idx++, hwxmits++) { // _enter_critical(&hwxmits->sta_queue->lock, &irqL0); _enter_critical_bh(&pxmitpriv->lock, &irql); sta_phead = get_list_head(hwxmits->sta_queue); sta_plist = get_next(sta_phead); while (rtw_end_of_queue_search(sta_phead, sta_plist) == _FALSE) { ptxservq = LIST_CONTAINOR(sta_plist, struct tx_servq, tx_pending); sta_plist = get_next(sta_plist); pframe_queue = &ptxservq->sta_pending; // _enter_critical(&pframe_queue->lock, &irqL1); //_enter_critical_bh(&pxmitpriv->lock, &irql); frame_phead = get_list_head(pframe_queue); while (rtw_is_list_empty(frame_phead) == _FALSE) { frame_plist = get_next(frame_phead); pxmitframe = LIST_CONTAINOR(frame_plist, struct xmit_frame, list); // check xmit_buf size enough or not txlen = TXDESC_SIZE + rtw_wlan_pkt_size(pxmitframe); if ((NULL == pxmitbuf) || ((pxmitbuf->ptail + txlen) > pxmitbuf->pend) #ifdef SDIO_TX_AGG_MAX || (k >= SDIO_TX_AGG_MAX) #endif ) { if (pxmitbuf) { struct xmit_frame *pframe; pframe = (struct xmit_frame*)pxmitbuf->priv_data; pframe->agg_num = k; pxmitbuf->agg_num = k; rtl8723a_update_txdesc(pframe, pframe->buf_addr); rtw_free_xmitframe(pxmitpriv, pframe); pxmitbuf->priv_data = NULL; enqueue_pending_xmitbuf(pxmitpriv, pxmitbuf); //rtw_yield_os(); } pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); if (pxmitbuf == NULL) { RT_TRACE(_module_hal_xmit_c_, _drv_err_, ("%s: xmit_buf is not enough!\n", __FUNCTION__)); err = -2; break; } k = 0; } // ok to send, remove frame from queue //_enter_critical_bh(&pxmitpriv->lock, &irql); #ifdef CONFIG_AP_MODE if (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == _TRUE) { if ((pxmitframe->attrib.psta->state & WIFI_SLEEP_STATE) && (pxmitframe->attrib.triggered == 0)) { //_exit_critical_bh(&pxmitpriv->lock, &irql); DBG_8192C("%s: one not triggered pkt in queue when STA sleep\n", __func__); break; } } #endif rtw_list_delete(&pxmitframe->list); ptxservq->qcnt--; hwxmits->accnt--; if (k == 0) { pxmitbuf->ff_hwaddr = rtw_get_ff_hwaddr(pxmitframe); pxmitbuf->priv_data = (u8*)pxmitframe; } // coalesce the xmitframe to xmitbuf pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->ptail; ret = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); if (ret == _FAIL) { RT_TRACE(_module_hal_xmit_c_, _drv_err_, ("%s: coalesce FAIL!", __FUNCTION__)); // Todo: error handler DBG_871X("%s: coalesce FAIL!", __FUNCTION__); } else { k++; if (k != 1) rtl8723a_update_txdesc(pxmitframe, pxmitframe->buf_addr); rtw_count_tx_stats(padapter, pxmitframe, pxmitframe->attrib.last_txcmdsz); txlen = TXDESC_SIZE + pxmitframe->attrib.last_txcmdsz; pxmitframe->pg_num = (txlen + 127)/128; pxmitbuf->pg_num += (txlen + 127)/128; //if (k != 1) // ((struct xmit_frame*)pxmitbuf->priv_data)->pg_num += pxmitframe->pg_num; pxmitbuf->ptail += _RND(txlen, 8); // round to 8 bytes alignment pxmitbuf->len = _RND(pxmitbuf->len, 8) + txlen; } if (k != 1) rtw_free_xmitframe(pxmitpriv, pxmitframe); pxmitframe = NULL; } //_enter_critical_bh(&pxmitpriv->lock, &irql); if (_rtw_queue_empty(pframe_queue) == _TRUE) rtw_list_delete(&ptxservq->tx_pending); //_exit_critical_bh(&pxmitpriv->lock, &irql); // _exit_critical(&pframe_queue->lock, &irqL1); //_exit_critical_bh(&pxmitpriv->lock, &irql); if (err) break; } // _exit_critical(&hwxmits->sta_queue->lock, &irqL0); _exit_critical_bh(&pxmitpriv->lock, &irql); // dump xmit_buf to hw tx fifo if (pxmitbuf) { RT_TRACE(_module_hal_xmit_c_, _drv_notice_, ("pxmitbuf->len=%d enqueue\n",pxmitbuf->len)); if (pxmitbuf->len > 0) { struct xmit_frame *pframe; pframe = (struct xmit_frame*)pxmitbuf->priv_data; pframe->agg_num = k; pxmitbuf->agg_num = k; rtl8723a_update_txdesc(pframe, pframe->buf_addr); rtw_free_xmitframe(pxmitpriv, pframe); pxmitbuf->priv_data = NULL; enqueue_pending_xmitbuf(pxmitpriv, pxmitbuf); rtw_yield_os(); } else rtw_free_xmitbuf(pxmitpriv, pxmitbuf); pxmitbuf = NULL; } if (err) break; } return err; }
s32 rtl8192cu_xmitframe_complete(_adapter *padapter, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { HAL_DATA_TYPE *pHalData = GET_HAL_DATA(padapter); struct xmit_frame *pxmitframe = NULL; struct xmit_frame *pfirstframe = NULL; // aggregate variable struct hw_xmit *phwxmit; struct sta_info *psta = NULL; struct tx_servq *ptxservq = NULL; _irqL irqL; _list *xmitframe_plist = NULL, *xmitframe_phead = NULL; u32 pbuf; // next pkt address u32 pbuf_tail; // last pkt tail u32 len; // packet length, except TXDESC_SIZE and PKT_OFFSET u32 bulkSize = pHalData->UsbBulkOutSize; u8 descCount; u32 bulkPtr; // dump frame variable u32 ff_hwaddr; #ifndef IDEA_CONDITION int res = _SUCCESS; #endif RT_TRACE(_module_rtl8192c_xmit_c_, _drv_info_, ("+xmitframe_complete\n")); // check xmitbuffer is ok if (pxmitbuf == NULL) { pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); if (pxmitbuf == NULL) return _FALSE; } //3 1. pick up first frame do { rtw_free_xmitframe(pxmitpriv, pxmitframe); pxmitframe = rtw_dequeue_xframe(pxmitpriv, pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); if (pxmitframe == NULL) { // no more xmit frame, release xmit buffer rtw_free_xmitbuf(pxmitpriv, pxmitbuf); return _FALSE; } #ifndef IDEA_CONDITION if (pxmitframe->frame_tag != DATA_FRAMETAG) { RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, ("xmitframe_complete: frame tag(%d) is not DATA_FRAMETAG(%d)!\n", pxmitframe->frame_tag, DATA_FRAMETAG)); // rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } // TID 0~15 if ((pxmitframe->attrib.priority < 0) || (pxmitframe->attrib.priority > 15)) { RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, ("xmitframe_complete: TID(%d) should be 0~15!\n", pxmitframe->attrib.priority)); // rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } #endif pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->pbuf; pxmitbuf->priv_data = pxmitframe; //pxmitframe->agg_num = 1; // alloc xmitframe should assign to 1. pxmitframe->pkt_offset = 1; // first frame of aggregation, reserve offset #ifdef IDEA_CONDITION rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); #else res = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); if (res == _FALSE) { // rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } #endif // always return ndis_packet after rtw_xmitframe_coalesce rtw_os_xmit_complete(padapter, pxmitframe); break; } while (1); //3 2. aggregate same priority and same DA(AP or STA) frames pfirstframe = pxmitframe; len = xmitframe_need_length(pfirstframe) + TXDESC_OFFSET; pbuf_tail = len; pbuf = _RND8(pbuf_tail); // check pkt amount in one bluk descCount = 0; bulkPtr = bulkSize; if (pbuf < bulkPtr) descCount++; else { descCount = 0; bulkPtr = ((pbuf / bulkSize) + 1) * bulkSize; // round to next bulkSize } // dequeue same priority packet from station tx queue psta = pfirstframe->attrib.psta; switch (pfirstframe->attrib.priority) { case 1: case 2: ptxservq = &(psta->sta_xmitpriv.bk_q); phwxmit = pxmitpriv->hwxmits + 3; break; case 4: case 5: ptxservq = &(psta->sta_xmitpriv.vi_q); phwxmit = pxmitpriv->hwxmits + 1; break; case 6: case 7: ptxservq = &(psta->sta_xmitpriv.vo_q); phwxmit = pxmitpriv->hwxmits; break; case 0: case 3: default: ptxservq = &(psta->sta_xmitpriv.be_q); phwxmit = pxmitpriv->hwxmits + 2; break; } _enter_critical_bh(&pxmitpriv->lock, &irqL); xmitframe_phead = get_list_head(&ptxservq->sta_pending); xmitframe_plist = get_next(xmitframe_phead); while (rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist) == _FALSE) { pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); xmitframe_plist = get_next(xmitframe_plist); len = xmitframe_need_length(pxmitframe) + TXDESC_SIZE; // no offset if (pbuf + len > MAX_XMITBUF_SZ) break; rtw_list_delete(&pxmitframe->list); ptxservq->qcnt--; phwxmit->accnt--; #ifndef IDEA_CONDITION // suppose only data frames would be in queue if (pxmitframe->frame_tag != DATA_FRAMETAG) { RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, ("xmitframe_complete: frame tag(%d) is not DATA_FRAMETAG(%d)!\n", pxmitframe->frame_tag, DATA_FRAMETAG)); rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } // TID 0~15 if ((pxmitframe->attrib.priority < 0) || (pxmitframe->attrib.priority > 15)) { RT_TRACE(_module_rtl8192c_xmit_c_, _drv_err_, ("xmitframe_complete: TID(%d) should be 0~15!\n", pxmitframe->attrib.priority)); rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } #endif // pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->pbuf + pbuf; pxmitframe->agg_num = 0; // not first frame of aggregation pxmitframe->pkt_offset = 0; // not first frame of aggregation, no need to reserve offset #ifdef IDEA_CONDITION rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); #else res = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe); if (res == _FALSE) { rtw_free_xmitframe(pxmitpriv, pxmitframe); continue; } #endif // always return ndis_packet after rtw_xmitframe_coalesce rtw_os_xmit_complete(padapter, pxmitframe); // (len - TXDESC_SIZE) == pxmitframe->attrib.last_txcmdsz update_txdesc(pxmitframe, pxmitframe->buf_addr, pxmitframe->attrib.last_txcmdsz, _TRUE); // don't need xmitframe any more rtw_free_xmitframe(pxmitpriv, pxmitframe); // handle pointer and stop condition pbuf_tail = pbuf + len; pbuf = _RND8(pbuf_tail); pfirstframe->agg_num++; if (MAX_TX_AGG_PACKET_NUMBER == pfirstframe->agg_num) break; if (pbuf < bulkPtr) { descCount++; if (descCount == pHalData->UsbTxAggDescNum) break; } else { descCount = 0; bulkPtr = ((pbuf / bulkSize) + 1) * bulkSize; } } if (_rtw_queue_empty(&ptxservq->sta_pending) == _TRUE) rtw_list_delete(&ptxservq->tx_pending); _exit_critical_bh(&pxmitpriv->lock, &irqL); if ((pfirstframe->attrib.ether_type != 0x0806) && (pfirstframe->attrib.ether_type != 0x888e) && (pfirstframe->attrib.dhcp_pkt != 1)) { rtw_issue_addbareq_cmd(padapter, pfirstframe); } #ifndef CONFIG_USE_USB_BUFFER_ALLOC_TX //3 3. update first frame txdesc if ((pbuf_tail % bulkSize) == 0) { // remove pkt_offset pbuf_tail -= PACKET_OFFSET_SZ; pfirstframe->buf_addr += PACKET_OFFSET_SZ; pfirstframe->pkt_offset = 0; } #endif // CONFIG_USE_USB_BUFFER_ALLOC_TX update_txdesc(pfirstframe, pfirstframe->buf_addr, pfirstframe->attrib.last_txcmdsz, _TRUE); //3 4. write xmit buffer to USB FIFO ff_hwaddr = rtw_get_ff_hwaddr(pfirstframe); // xmit address == ((xmit_frame*)pxmitbuf->priv_data)->buf_addr rtw_write_port(padapter, ff_hwaddr, pbuf_tail, (u8*)pxmitbuf); //3 5. update statisitc pbuf_tail -= (pfirstframe->agg_num * TXDESC_SIZE); if (pfirstframe->pkt_offset == 1) pbuf_tail -= PACKET_OFFSET_SZ; rtw_count_tx_stats(padapter, pfirstframe, pbuf_tail); rtw_free_xmitframe(pxmitpriv, pfirstframe); return _TRUE; }
void sd_recv_rxfifo(PADAPTER padapter) { // u8 *pdata, *ptail, *pfixed_tail,*pfixed_head,*pfixed_end,blk_shift_bit; u16 rx_blknum; u32 blk_sz, cnt;//,remain,tmp_cnt; struct recv_priv *precvpriv; // struct recv_stat *prxstat; //union recv_frame *precvframe, *ppreframe = NULL; // _queue *pfree_recv_queue, *ppending_recv_queue; // u8 tmp[2048]; struct recv_buf *precvbuf; _list *precvbuf_head, *precvbuf_list; _irqL irql, rx_proc_irq; // uint pkt_len; // u16 drvinfo_sz; precvpriv = &padapter->recvpriv; blk_sz = padapter->dvobjpriv.block_transfer_len; // blk_shift_bit= (u8)padapter->dvobjpriv.blk_shiftbits; // pfree_recv_queue = &(precvpriv->free_recv_queue); // ppending_recv_queue = &(precvpriv->recv_pending_queue); rx_blknum = padapter->dvobjpriv.rxblknum; // _enter_critical_mutex(&padapter->dvobjpriv.rx_protect, &rx_proc_irq); // padapter->dvobjpriv.rxblknum=rtw_read16(padapter, SDIO_RX0_RDYBLK_NUM); sdio_read_int(padapter, SDIO_RX0_RDYBLK_NUM, 2, &padapter->dvobjpriv.rxblknum); if (rx_blknum>padapter->dvobjpriv.rxblknum) { cnt = (0x10000 - rx_blknum + padapter->dvobjpriv.rxblknum) * blk_sz; } else { cnt = (padapter->dvobjpriv.rxblknum-rx_blknum) * blk_sz; } RT_TRACE(_module_hci_intfs_c_,_drv_notice_,("=====================sd_recv_rxfifo padapter->dvobjpriv.rxblknum=%x Blk_Num = %x cnt=%d",padapter->dvobjpriv.rxblknum, rx_blknum,cnt)); if (cnt == 0) { // remain = 0; precvbuf = NULL; RT_TRACE(_module_hci_intfs_c_,_drv_info_,("---===============sd_recv_rxfifo padapter->dvobjpriv.rxblknum=0x%x padapter->dvobjpriv.rxblknum_rd=0x%x", padapter->dvobjpriv.rxblknum,padapter->dvobjpriv.rxblknum_rd)); goto drop_pkt; } if(_rtw_queue_empty(&precvpriv->free_recv_buf_queue) == _TRUE) { precvbuf = NULL; RT_TRACE(_module_hci_intfs_c_,_drv_emerg_,("\n sd_recv_rxfifo : precvbuf= NULL precvpriv->free_recv_buf_queue_cnt=%d \n",precvpriv->free_recv_buf_queue_cnt)); goto drop_pkt; } else { _enter_critical(&precvpriv->free_recv_buf_queue.lock, &irql); precvbuf_head = get_list_head(&precvpriv->free_recv_buf_queue); precvbuf_list = get_next(precvbuf_head); precvbuf = LIST_CONTAINOR(precvbuf_list, struct recv_buf, list); list_delete(&precvbuf->list); precvpriv->free_recv_buf_queue_cnt--; RT_TRACE(_module_hci_intfs_c_,_drv_notice_,("\n sd_recv_rxfifo : precvbuf= 0x%p dequeue: free_recv_buf_queue_cnt=%d\n",precvbuf,precvpriv->free_recv_buf_queue_cnt)); _exit_critical(&precvpriv->free_recv_buf_queue.lock, &irql); } read_pkt2recvbuf(padapter, cnt, precvbuf); return; drop_pkt: if (cnt >0) { do{ if (cnt > MAX_RECVBUF_SZ) { rtw_read_port(padapter, 0x10380000, MAX_RECVBUF_SZ, (u8 *)precvpriv->recvbuf_drop); RT_TRACE(_module_hci_intfs_c_,_drv_notice_,("=========sd_recv_rxfifo precvbuf= NULL no recvbuf cnt=%d tmp read %d",cnt,MAX_RECVBUF_SZ)); cnt=cnt-MAX_RECVBUF_SZ; } else { rtw_read_port(padapter, 0x10380000, cnt, (u8 *)precvpriv->recvbuf_drop); RT_TRACE(_module_hci_intfs_c_,_drv_notice_,("=========sd_recv_rxfifo precvbuf= NULL no recvbuf cnt=%d tmp read(@) %d",cnt,cnt)); cnt=0; } } while(cnt > 0); } return; }
s32 rtl8188eu_xmitframe_complete(struct adapter *adapt, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf) { struct hal_data_8188e *haldata = GET_HAL_DATA(adapt); struct xmit_frame *pxmitframe = NULL; struct xmit_frame *pfirstframe = NULL; /* aggregate variable */ struct hw_xmit *phwxmit; struct sta_info *psta = NULL; struct tx_servq *ptxservq = NULL; unsigned long irql; struct list_head *xmitframe_plist = NULL, *xmitframe_phead = NULL; u32 pbuf; /* next pkt address */ u32 pbuf_tail; /* last pkt tail */ u32 len; /* packet length, except TXDESC_SIZE and PKT_OFFSET */ u32 bulksize = haldata->UsbBulkOutSize; u8 desc_cnt; u32 bulkptr; /* dump frame variable */ u32 ff_hwaddr; RT_TRACE(_module_rtl8192c_xmit_c_, _drv_info_, ("+xmitframe_complete\n")); /* check xmitbuffer is ok */ if (pxmitbuf == NULL) { pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv); if (pxmitbuf == NULL) return false; } /* 3 1. pick up first frame */ do { rtw_free_xmitframe(pxmitpriv, pxmitframe); pxmitframe = rtw_dequeue_xframe(pxmitpriv, pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry); if (pxmitframe == NULL) { /* no more xmit frame, release xmit buffer */ rtw_free_xmitbuf(pxmitpriv, pxmitbuf); return false; } pxmitframe->pxmitbuf = pxmitbuf; pxmitframe->buf_addr = pxmitbuf->pbuf; pxmitbuf->priv_data = pxmitframe; pxmitframe->agg_num = 1; /* alloc xmitframe should assign to 1. */ pxmitframe->pkt_offset = 1; /* first frame of aggregation, reserve offset */ rtw_xmitframe_coalesce(adapt, pxmitframe->pkt, pxmitframe); /* always return ndis_packet after rtw_xmitframe_coalesce */ rtw_os_xmit_complete(adapt, pxmitframe); break; } while (1); /* 3 2. aggregate same priority and same DA(AP or STA) frames */ pfirstframe = pxmitframe; len = xmitframe_need_length(pfirstframe) + TXDESC_SIZE + (pfirstframe->pkt_offset*PACKET_OFFSET_SZ); pbuf_tail = len; pbuf = _RND8(pbuf_tail); /* check pkt amount in one bulk */ desc_cnt = 0; bulkptr = bulksize; if (pbuf < bulkptr) { desc_cnt++; } else { desc_cnt = 0; bulkptr = ((pbuf / bulksize) + 1) * bulksize; /* round to next bulksize */ } /* dequeue same priority packet from station tx queue */ psta = pfirstframe->attrib.psta; switch (pfirstframe->attrib.priority) { case 1: case 2: ptxservq = &(psta->sta_xmitpriv.bk_q); phwxmit = pxmitpriv->hwxmits + 3; break; case 4: case 5: ptxservq = &(psta->sta_xmitpriv.vi_q); phwxmit = pxmitpriv->hwxmits + 1; break; case 6: case 7: ptxservq = &(psta->sta_xmitpriv.vo_q); phwxmit = pxmitpriv->hwxmits; break; case 0: case 3: default: ptxservq = &(psta->sta_xmitpriv.be_q); phwxmit = pxmitpriv->hwxmits + 2; break; } _enter_critical_bh(&pxmitpriv->lock, &irql); xmitframe_phead = get_list_head(&ptxservq->sta_pending); xmitframe_plist = get_next(xmitframe_phead); while (!rtw_end_of_queue_search(xmitframe_phead, xmitframe_plist)) { pxmitframe = LIST_CONTAINOR(xmitframe_plist, struct xmit_frame, list); xmitframe_plist = get_next(xmitframe_plist); pxmitframe->agg_num = 0; /* not first frame of aggregation */ pxmitframe->pkt_offset = 0; /* not first frame of aggregation, no need to reserve offset */ len = xmitframe_need_length(pxmitframe) + TXDESC_SIZE + (pxmitframe->pkt_offset*PACKET_OFFSET_SZ); if (_RND8(pbuf + len) > MAX_XMITBUF_SZ) { pxmitframe->agg_num = 1; pxmitframe->pkt_offset = 1; break; } rtw_list_delete(&pxmitframe->list); ptxservq->qcnt--; phwxmit->accnt--; pxmitframe->buf_addr = pxmitbuf->pbuf + pbuf; rtw_xmitframe_coalesce(adapt, pxmitframe->pkt, pxmitframe); /* always return ndis_packet after rtw_xmitframe_coalesce */ rtw_os_xmit_complete(adapt, pxmitframe); /* (len - TXDESC_SIZE) == pxmitframe->attrib.last_txcmdsz */ update_txdesc(pxmitframe, pxmitframe->buf_addr, pxmitframe->attrib.last_txcmdsz, true); /* don't need xmitframe any more */ rtw_free_xmitframe(pxmitpriv, pxmitframe); /* handle pointer and stop condition */ pbuf_tail = pbuf + len; pbuf = _RND8(pbuf_tail); pfirstframe->agg_num++; if (MAX_TX_AGG_PACKET_NUMBER == pfirstframe->agg_num) break; if (pbuf < bulkptr) { desc_cnt++; if (desc_cnt == haldata->UsbTxAggDescNum) break; } else { desc_cnt = 0; bulkptr = ((pbuf / bulksize) + 1) * bulksize; } } /* end while (aggregate same priority and same DA(AP or STA) frames) */ if (_rtw_queue_empty(&ptxservq->sta_pending) == true) rtw_list_delete(&ptxservq->tx_pending); _exit_critical_bh(&pxmitpriv->lock, &irql); if ((pfirstframe->attrib.ether_type != 0x0806) && (pfirstframe->attrib.ether_type != 0x888e) && (pfirstframe->attrib.ether_type != 0x88b4) && (pfirstframe->attrib.dhcp_pkt != 1)) rtw_issue_addbareq_cmd(adapt, pfirstframe); /* 3 3. update first frame txdesc */ if ((pbuf_tail % bulksize) == 0) { /* remove pkt_offset */ pbuf_tail -= PACKET_OFFSET_SZ; pfirstframe->buf_addr += PACKET_OFFSET_SZ; pfirstframe->pkt_offset--; } update_txdesc(pfirstframe, pfirstframe->buf_addr, pfirstframe->attrib.last_txcmdsz, true); /* 3 4. write xmit buffer to USB FIFO */ ff_hwaddr = rtw_get_ff_hwaddr(pfirstframe); rtw_write_port(adapt, ff_hwaddr, pbuf_tail, (u8 *)pxmitbuf); /* 3 5. update statisitc */ pbuf_tail -= (pfirstframe->agg_num * TXDESC_SIZE); pbuf_tail -= (pfirstframe->pkt_offset * PACKET_OFFSET_SZ); rtw_count_tx_stats(adapt, pfirstframe, pbuf_tail); rtw_free_xmitframe(pxmitpriv, pfirstframe); return true; }