Пример #1
0
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;

	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 */
	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);

	/* 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 = round_up(pbuf_tail, 8);

	/*  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;
	}
	spin_lock_bh(&pxmitpriv->lock);

	xmitframe_phead = get_list_head(&ptxservq->sta_pending);
	xmitframe_plist = xmitframe_phead->next;

	while (xmitframe_phead != xmitframe_plist) {
		pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list);
		xmitframe_plist = xmitframe_plist->next;

		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 (round_up(pbuf + len, 8) > MAX_XMITBUF_SZ) {
			pxmitframe->agg_num = 1;
			pxmitframe->pkt_offset = 1;
			break;
		}
		list_del_init(&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 = round_up(pbuf_tail, 8);

		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 (list_empty(&ptxservq->sta_pending.queue))
		list_del_init(&ptxservq->tx_pending);

	spin_unlock_bh(&pxmitpriv->lock);
	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);
	usb_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;
}
Пример #2
0
/* for non-agg data frame or  management frame */
static s32 rtw_dump_xframe(struct adapter *adapt, struct xmit_frame *pxmitframe)
{
	s32 ret = _SUCCESS;
	s32 inner_ret = _SUCCESS;
	int t, sz, w_sz, pull = 0;
	u8 *mem_addr;
	u32 ff_hwaddr;
	struct xmit_buf *pxmitbuf = pxmitframe->pxmitbuf;
	struct pkt_attrib *pattrib = &pxmitframe->attrib;
	struct xmit_priv *pxmitpriv = &adapt->xmitpriv;
	struct security_priv *psecuritypriv = &adapt->securitypriv;
	if ((pxmitframe->frame_tag == DATA_FRAMETAG) &&
	    (pxmitframe->attrib.ether_type != 0x0806) &&
	    (pxmitframe->attrib.ether_type != 0x888e) &&
	    (pxmitframe->attrib.ether_type != 0x88b4) &&
	    (pxmitframe->attrib.dhcp_pkt != 1))
		rtw_issue_addbareq_cmd(adapt, pxmitframe);
	mem_addr = pxmitframe->buf_addr;

	RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_dump_xframe()\n"));

	for (t = 0; t < pattrib->nr_frags; t++) {
		if (inner_ret != _SUCCESS && ret == _SUCCESS)
			ret = _FAIL;

		if (t != (pattrib->nr_frags - 1)) {
			RT_TRACE(_module_rtl871x_xmit_c_, _drv_err_, ("pattrib->nr_frags=%d\n", pattrib->nr_frags));

			sz = pxmitpriv->frag_len;
			sz = sz - 4 - (psecuritypriv->sw_encrypt ? 0 : pattrib->icv_len);
		} else {
			/* no frag */
			sz = pattrib->last_txcmdsz;
		}

		pull = update_txdesc(pxmitframe, mem_addr, sz, false);

		if (pull) {
			mem_addr += PACKET_OFFSET_SZ; /* pull txdesc head */
			pxmitframe->buf_addr = mem_addr;
			w_sz = sz + TXDESC_SIZE;
		} else {
			w_sz = sz + TXDESC_SIZE + PACKET_OFFSET_SZ;
		}
		ff_hwaddr = rtw_get_ff_hwaddr(pxmitframe);

		inner_ret = usb_write_port(adapt, ff_hwaddr, w_sz, (unsigned char *)pxmitbuf);

		rtw_count_tx_stats(adapt, pxmitframe, sz);

		RT_TRACE(_module_rtl871x_xmit_c_, _drv_info_, ("rtw_write_port, w_sz=%d\n", w_sz));

		mem_addr += w_sz;

		mem_addr = (u8 *)round_up((size_t)mem_addr, 4);
	}

	rtw_free_xmitframe(pxmitpriv, pxmitframe);

	if  (ret != _SUCCESS)
		rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_UNKNOWN);

	return ret;
}
Пример #3
0
s32 rtw_dump_xframe(_adapter *padapter, struct xmit_frame *pxmitframe)
{
    s32 ret = _SUCCESS;
    s32 inner_ret = _SUCCESS;
    _irqL irqL;
    int	t, sz, w_sz, pull=0;
    //u8	*mem_addr;
    u32	ff_hwaddr;
    struct xmit_buf		*pxmitbuf = pxmitframe->pxmitbuf;
    struct pkt_attrib		*pattrib = &pxmitframe->attrib;
    struct xmit_priv		*pxmitpriv = &padapter->xmitpriv;
    struct dvobj_priv		*pdvobjpriv = adapter_to_dvobj(padapter);
    struct security_priv	*psecuritypriv = &padapter->securitypriv;
    struct tx_desc		*ptxdesc;

    if ((pxmitframe->frame_tag == DATA_FRAMETAG) &&
            (pxmitframe->attrib.ether_type != 0x0806) &&
            (pxmitframe->attrib.ether_type != 0x888e) &&
            (pxmitframe->attrib.dhcp_pkt != 1))
    {
        rtw_issue_addbareq_cmd(padapter, pxmitframe);
    }

    //mem_addr = pxmitframe->buf_addr;

    RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_dump_xframe()\n"));

    for (t = 0; t < pattrib->nr_frags; t++)
    {
        if (inner_ret != _SUCCESS && ret == _SUCCESS)
            ret = _FAIL;

        if (t != (pattrib->nr_frags - 1))
        {
            RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("pattrib->nr_frags=%d\n", pattrib->nr_frags));

            sz = pxmitpriv->frag_len;
            sz = sz - 4 - (psecuritypriv->sw_encrypt ? 0 : pattrib->icv_len);
        }
        else //no frag
        {
            sz = pattrib->last_txcmdsz;
        }

        ff_hwaddr = rtw_get_ff_hwaddr(pxmitframe);

        _enter_critical(&pdvobjpriv->irq_th_lock, &irqL);

        ptxdesc = get_txdesc(pxmitframe, ff_hwaddr);
        if(ptxdesc == NULL)
        {
            _exit_critical(&pdvobjpriv->irq_th_lock, &irqL);
            rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
            DBG_8192C("##### Tx desc unavailable !#####\n");
            break;
        }

        update_txdesc(pxmitframe, (uint*)ptxdesc, sz);

        rtl8192de_enqueue_xmitbuf(&pxmitpriv->tx_ring[ff_hwaddr], pxmitbuf);

        pxmitbuf->len = sz;

        _exit_critical(&pdvobjpriv->irq_th_lock, &irqL);

        w_sz = sz;

        rtw_write16(padapter, REG_PCIE_CTRL_REG, ffaddr2dma(ff_hwaddr));

        inner_ret = rtw_write_port(padapter, ff_hwaddr, w_sz, (unsigned char*)pxmitbuf);

        rtw_count_tx_stats(padapter, pxmitframe, sz);

        RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_write_port, w_sz=%d\n", w_sz));
        //DBG_8192C("rtw_write_port, w_sz=%d, sz=%d, txdesc_sz=%d, tid=%d\n", w_sz, sz, w_sz-sz, pattrib->priority);

        //mem_addr += w_sz;

        //mem_addr = (u8 *)RND4(((SIZE_PTR)(mem_addr)));

    }

    rtw_free_xmitframe(pxmitpriv, pxmitframe);

    if  (ret != _SUCCESS)
        rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_UNKNOWN);

    return ret;
}
Пример #4
0
s32 rtl8192eu_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 = 2; // first frame of aggregation, reserve one offset for EM info ,another for usb bulk-out block check
		#else
		pxmitframe->pkt_offset = 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++;
	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);

             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);
#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 ((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 			

	UpdateEarlyModeInfo8192E(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;
}
Пример #5
0
//for non-agg data frame or  management frame
static s32 rtw_dump_xframe(_adapter *padapter, struct xmit_frame *pxmitframe)
{
	s32 ret = _SUCCESS;
	s32 inner_ret = _SUCCESS;
	int t, sz, w_sz, pull=0;
	u8 *mem_addr;
	u32 ff_hwaddr;
	struct xmit_buf *pxmitbuf = pxmitframe->pxmitbuf;
	struct pkt_attrib *pattrib = &pxmitframe->attrib;
	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
	struct security_priv *psecuritypriv = &padapter->securitypriv;
#ifdef CONFIG_80211N_HT
	if ((pxmitframe->frame_tag == DATA_FRAMETAG) &&
	    (pxmitframe->attrib.ether_type != 0x0806) &&
	    (pxmitframe->attrib.ether_type != 0x888e) &&
	    (pxmitframe->attrib.ether_type != 0x88b4) &&
	    (pxmitframe->attrib.dhcp_pkt != 1))
	{
		rtw_issue_addbareq_cmd(padapter, pxmitframe);
	}
#endif //CONFIG_80211N_HT
	mem_addr = pxmitframe->buf_addr;

       RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_dump_xframe()\n"));
	
	for (t = 0; t < pattrib->nr_frags; t++)
	{
		if (inner_ret != _SUCCESS && ret == _SUCCESS)
			ret = _FAIL;
			
		if (t != (pattrib->nr_frags - 1))
		{
			RT_TRACE(_module_rtl871x_xmit_c_,_drv_err_,("pattrib->nr_frags=%d\n", pattrib->nr_frags));

			sz = pxmitpriv->frag_len;
			sz = sz - 4 - (psecuritypriv->sw_encrypt ? 0 : pattrib->icv_len);					
		}
		else //no frag
		{
			sz = pattrib->last_txcmdsz;
		}

		pull = update_txdesc(pxmitframe, mem_addr, sz, _FALSE);
             
		if(pull)
		{
			mem_addr += PACKET_OFFSET_SZ; //pull txdesc head
			
			//pxmitbuf ->pbuf = mem_addr;			
			pxmitframe->buf_addr = mem_addr;

			w_sz = sz + TXDESC_SIZE;
		}
		else
		{
			w_sz = sz + TXDESC_SIZE + PACKET_OFFSET_SZ;
		}	

		ff_hwaddr = rtw_get_ff_hwaddr(pxmitframe);

#ifdef CONFIG_XMIT_THREAD_MODE
		pxmitbuf->len = w_sz;
		pxmitbuf->ff_hwaddr = ff_hwaddr;
		enqueue_pending_xmitbuf(pxmitpriv, pxmitbuf);
#else
		inner_ret = rtw_write_port(padapter, ff_hwaddr, w_sz, (unsigned char*)pxmitbuf);
#endif

		rtw_count_tx_stats(padapter, pxmitframe, sz);

		RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtw_write_port, w_sz=%d\n", w_sz));
		//DBG_8192C("rtw_write_port, w_sz=%d, sz=%d, txdesc_sz=%d, tid=%d\n", w_sz, sz, w_sz-sz, pattrib->priority);      

		mem_addr += w_sz;

		mem_addr = (u8 *)RND4(((SIZE_PTR)(mem_addr)));

	}
	
	rtw_free_xmitframe(pxmitpriv, pxmitframe);
	
	if  (ret != _SUCCESS)
		rtw_sctx_done_err(&pxmitbuf->sctx, RTW_SCTX_DONE_UNKNOWN);
	
	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;
	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);

		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
				} 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);

		// 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;
}