struct xmit_frame *rtw_IOL_accquire_xmit_frame(struct adapter *adapter)
{
struct xmit_frame *xmit_frame;
struct xmit_buf *xmitbuf;
struct pkt_attrib *pattrib;
struct xmit_priv *pxmitpriv = &(adapter->xmitpriv);
xmit_frame = rtw_alloc_xmitframe(pxmitpriv);
if (xmit_frame == NULL) {
DBG_88E("%s rtw_alloc_xmitframe return null\n", __func__);
goto exit;
}
xmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
if (xmitbuf == NULL) {
DBG_88E("%s rtw_alloc_xmitbuf return null\n", __func__);
rtw_free_xmitframe(pxmitpriv, xmit_frame);
xmit_frame = NULL;
goto exit;
}
xmit_frame->frame_tag = MGNT_FRAMETAG;
xmit_frame->pxmitbuf = xmitbuf;
xmit_frame->buf_addr = xmitbuf->pbuf;
xmitbuf->priv_data = xmit_frame;
pattrib = &xmit_frame->attrib;
update_mgntframe_attrib(adapter, pattrib);
pattrib->qsel = 0x10;/* Beacon */
pattrib->subtype = WIFI_BEACON;
pattrib->pktlen = 0;
pattrib->last_txcmdsz = 0;
exit:
return xmit_frame;
}
/*
* Return
* _TRUE dump packet directly
* _FALSE enqueue packet
*/
static s32 pre_xmitframe(_adapter *padapter, struct xmit_frame *pxmitframe)
{
_irqL irqL;
s32 res;
struct xmit_buf *pxmitbuf = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
_enter_critical_bh(&pxmitpriv->lock, &irqL);
//DBG_8192C("==> %s \n",__FUNCTION__);
if (rtw_txframes_sta_ac_pending(padapter, pattrib) > 0)
{
//DBG_8192C("enqueue AC(%d)\n",pattrib->priority);
goto enqueue;
}
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == _TRUE)
goto enqueue;
#ifdef CONFIG_CONCURRENT_MODE
if (check_buddy_fwstate(padapter, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == _TRUE)
goto enqueue;
#endif
pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
if (pxmitbuf == NULL)
goto enqueue;
_exit_critical_bh(&pxmitpriv->lock, &irqL);
pxmitframe->pxmitbuf = pxmitbuf;
pxmitframe->buf_addr = pxmitbuf->pbuf;
pxmitbuf->priv_data = pxmitframe;
if (xmitframe_direct(padapter, pxmitframe) != _SUCCESS) {
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
rtw_free_xmitframe(pxmitpriv, pxmitframe);
}
return _TRUE;
enqueue:
res = rtw_xmitframe_enqueue(padapter, pxmitframe);
_exit_critical_bh(&pxmitpriv->lock, &irqL);
if (res != _SUCCESS) {
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("pre_xmitframe: enqueue xmitframe fail\n"));
rtw_free_xmitframe(pxmitpriv, pxmitframe);
pxmitpriv->tx_drop++;
return _TRUE;
}
return _FALSE;
}
/*
* Return
* true dump packet directly
* false enqueue packet
*/
s32 rtw_hal_xmit(struct adapter *adapt, struct xmit_frame *pxmitframe)
{
s32 res;
struct xmit_buf *pxmitbuf = NULL;
struct xmit_priv *pxmitpriv = &adapt->xmitpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct mlme_priv *pmlmepriv = &adapt->mlmepriv;
spin_lock_bh(&pxmitpriv->lock);
if (rtw_txframes_sta_ac_pending(adapt, pattrib) > 0)
goto enqueue;
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true)
goto enqueue;
pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
if (!pxmitbuf)
goto enqueue;
spin_unlock_bh(&pxmitpriv->lock);
pxmitframe->pxmitbuf = pxmitbuf;
pxmitframe->buf_addr = pxmitbuf->pbuf;
pxmitbuf->priv_data = pxmitframe;
res = rtw_xmitframe_coalesce(adapt, pxmitframe->pkt, pxmitframe);
if (res == _SUCCESS) {
rtw_dump_xframe(adapt, pxmitframe);
} else {
DBG_88E("==> %s xmitframe_coalsece failed\n", __func__);
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
rtw_free_xmitframe(pxmitpriv, pxmitframe);
}
return true;
enqueue:
res = rtw_xmitframe_enqueue(adapt, pxmitframe);
spin_unlock_bh(&pxmitpriv->lock);
if (res != _SUCCESS) {
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("pre_xmitframe: enqueue xmitframe fail\n"));
rtw_free_xmitframe(pxmitpriv, pxmitframe);
/* Trick, make the statistics correct */
pxmitpriv->tx_pkts--;
pxmitpriv->tx_drop++;
return true;
}
return false;
}
/*
* Return
* true dump packet directly
* false enqueue packet
*/
static s32 pre_xmitframe(struct adapter *padapter, struct xmit_frame *pxmitframe)
{
unsigned long irqL;
s32 res;
struct xmit_buf *pxmitbuf = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
_enter_critical_bh(&pxmitpriv->lock, &irqL);
if (rtw_txframes_sta_ac_pending(padapter, pattrib) > 0)
{
goto enqueue;
}
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true)
goto enqueue;
pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
if (pxmitbuf == NULL)
goto enqueue;
_exit_critical_bh(&pxmitpriv->lock, &irqL);
pxmitframe->pxmitbuf = pxmitbuf;
pxmitframe->buf_addr = pxmitbuf->pbuf;
pxmitbuf->priv_data = pxmitframe;
if (xmitframe_direct(padapter, pxmitframe) != _SUCCESS) {
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
rtw_free_xmitframe(pxmitpriv, pxmitframe);
}
return true;
enqueue:
res = rtw_xmitframe_enqueue(padapter, pxmitframe);
_exit_critical_bh(&pxmitpriv->lock, &irqL);
if (res != _SUCCESS) {
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("pre_xmitframe: enqueue xmitframe fail\n"));
rtw_free_xmitframe(pxmitpriv, pxmitframe);
/* Trick, make the statistics correct */
pxmitpriv->tx_pkts--;
pxmitpriv->tx_drop++;
return true;
}
return false;
}
/*
* Return
* _TRUE dump packet directly
* _FALSE enqueue packet
*/
static s32 pre_xmitframe(_adapter *padapter, struct xmit_frame *pxmitframe)
{
_irqL irqL;
s32 res;
struct xmit_buf *pxmitbuf = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct pkt_attrib *pattrib = &pxmitframe->attrib;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
_enter_critical_bh(&pxmitpriv->lock, &irqL);
if ( (rtw_txframes_sta_ac_pending(padapter, pattrib) > 0) ||
(check_nic_enough_desc(padapter, pattrib) == _FALSE))
goto enqueue;
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == _TRUE)
goto enqueue;
pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
if (pxmitbuf == NULL)
goto enqueue;
_exit_critical_bh(&pxmitpriv->lock, &irqL);
pxmitframe->pxmitbuf = pxmitbuf;
pxmitframe->buf_addr = pxmitbuf->pbuf;
pxmitbuf->priv_data = pxmitframe;
if (xmitframe_direct(padapter, pxmitframe) != _SUCCESS) {
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
rtw_free_xmitframe(pxmitpriv, pxmitframe);
}
return _TRUE;
enqueue:
res = rtw_xmitframe_enqueue(padapter, pxmitframe);
_exit_critical_bh(&pxmitpriv->lock, &irqL);
if (res != _SUCCESS) {
RT_TRACE(_module_xmit_osdep_c_, _drv_err_, ("pre_xmitframe: enqueue xmitframe fail\n"));
rtw_free_xmitframe(pxmitpriv, pxmitframe);
// Trick, make the statistics correct
pxmitpriv->tx_pkts--;
pxmitpriv->tx_drop++;
return _TRUE;
}
return _FALSE;
}
struct xmit_frame *rtw_IOL_accquire_xmit_frame(ADAPTER *adapter)
{
struct xmit_frame *xmit_frame;
struct xmit_buf *xmitbuf;
struct pkt_attrib *pattrib;
struct xmit_priv *pxmitpriv = &(adapter->xmitpriv);
#if 1
if ((xmit_frame = rtw_alloc_xmitframe(pxmitpriv)) == NULL)
{
DBG_871X("%s rtw_alloc_xmitframe return null\n", __FUNCTION__);
goto exit;
}
if ((xmitbuf = rtw_alloc_xmitbuf(pxmitpriv)) == NULL)
{
DBG_871X("%s rtw_alloc_xmitbuf return null\n", __FUNCTION__);
rtw_free_xmitframe(pxmitpriv, xmit_frame);
xmit_frame=NULL;
goto exit;
}
xmit_frame->frame_tag = MGNT_FRAMETAG;
xmit_frame->pxmitbuf = xmitbuf;
xmit_frame->buf_addr = xmitbuf->pbuf;
xmitbuf->priv_data = xmit_frame;
pattrib = &xmit_frame->attrib;
update_mgntframe_attrib(adapter, pattrib);
pattrib->qsel = 0x10;//Beacon
pattrib->subtype = WIFI_BEACON;
pattrib->pktlen = pattrib->last_txcmdsz = 0;
#else
if ((xmit_frame = alloc_mgtxmitframe(pxmitpriv)) == NULL)
{
DBG_871X("%s alloc_mgtxmitframe return null\n", __FUNCTION__);
}
else {
pattrib = &xmit_frame->attrib;
update_mgntframe_attrib(adapter, pattrib);
pattrib->qsel = 0x10;
pattrib->pktlen = pattrib->last_txcmdsz = 0;
}
#endif
exit:
return xmit_frame;
}
s32 rtl8812au_xmitframe_complete(_adapter *padapter, struct xmit_priv *pxmitpriv, struct xmit_buf *pxmitbuf)
{
struct hw_xmit *phwxmits;
sint hwentry;
struct xmit_frame *pxmitframe=NULL;
int res=_SUCCESS, xcnt = 0;
phwxmits = pxmitpriv->hwxmits;
hwentry = pxmitpriv->hwxmit_entry;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("xmitframe_complete()\n"));
if(pxmitbuf==NULL)
{
pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
if(!pxmitbuf)
{
return _FALSE;
}
}
do
{
pxmitframe = rtw_dequeue_xframe(pxmitpriv, phwxmits, hwentry);
if(pxmitframe)
{
pxmitframe->pxmitbuf = pxmitbuf;
pxmitframe->buf_addr = pxmitbuf->pbuf;
pxmitbuf->priv_data = pxmitframe;
if((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG)
{
if(pxmitframe->attrib.priority<=15)//TID0~15
{
res = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe);
}
//DBG_8192C("==> pxmitframe->attrib.priority:%d\n",pxmitframe->attrib.priority);
rtw_os_xmit_complete(padapter, pxmitframe);//always return ndis_packet after rtw_xmitframe_coalesce
}
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("xmitframe_complete(): rtw_dump_xframe\n"));
if(res == _SUCCESS)
{
rtw_dump_xframe(padapter, pxmitframe);
}
else
{
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
rtw_free_xmitframe(pxmitpriv, pxmitframe);
}
xcnt++;
}
else
{
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
return _FALSE;
}
break;
}while(0/*xcnt < (NR_XMITFRAME >> 3)*/);
return _TRUE;
}
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;
}
void rtl8192ce_xmitframe_resume(_adapter *padapter)
{
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct xmit_frame *pxmitframe = NULL;
struct xmit_buf *pxmitbuf = NULL;
int res=_SUCCESS, xcnt = 0;
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtl8192ce_xmitframe_resume()\n"));
while(1)
{
if ((padapter->bDriverStopped == _TRUE)||(padapter->bSurpriseRemoved== _TRUE))
{
DBG_8192C("rtl8192ce_xmitframe_resume => bDriverStopped or bSurpriseRemoved \n");
break;
}
pxmitbuf = rtw_alloc_xmitbuf(pxmitpriv);
if(!pxmitbuf)
{
break;
}
pxmitframe = rtw_dequeue_xframe(pxmitpriv, pxmitpriv->hwxmits, pxmitpriv->hwxmit_entry);
if(pxmitframe)
{
pxmitframe->pxmitbuf = pxmitbuf;
pxmitframe->buf_addr = pxmitbuf->pbuf;
pxmitbuf->priv_data = pxmitframe;
if((pxmitframe->frame_tag&0x0f) == DATA_FRAMETAG)
{
if(pxmitframe->attrib.priority<=15)//TID0~15
{
res = rtw_xmitframe_coalesce(padapter, pxmitframe->pkt, pxmitframe);
}
rtw_os_xmit_complete(padapter, pxmitframe);//always return ndis_packet after rtw_xmitframe_coalesce
}
RT_TRACE(_module_rtl871x_xmit_c_,_drv_info_,("rtl8192ce_xmitframe_resume(): rtw_dump_xframe\n"));
if(res == _SUCCESS)
{
rtw_dump_xframe(padapter, pxmitframe);
}
else
{
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
rtw_free_xmitframe_ex(pxmitpriv, pxmitframe);
}
xcnt++;
}
else
{
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
break;
}
}
}
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 */
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 = 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;
}
/*
* 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;
}
/*
* 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;
}
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
}
/*
* 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(struct adapter *padapter, struct xmit_priv *pxmitpriv)
{
s32 err, ret;
u32 k = 0;
struct hw_xmit *hwxmits, *phwxmit;
u8 no_res, idx, hwentry;
struct tx_servq *ptxservq;
struct list_head *sta_plist, *sta_phead, *frame_plist, *frame_phead;
struct xmit_frame *pxmitframe;
struct __queue *pframe_queue;
struct xmit_buf *pxmitbuf;
u32 txlen, max_xmit_len;
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;
}
}
max_xmit_len = rtw_hal_get_sdio_tx_max_length(padapter, inx[idx]);
spin_lock_bh(&pxmitpriv->lock);
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 (sta_phead != sta_plist) {
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 (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) ||
((_RND(pxmitbuf->len, 8) + txlen) > max_xmit_len) ||
(k >= (rtw_hal_sdio_max_txoqt_free_space(padapter)-1))
) {
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 */
/* yield(); */
} 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", __func__);
#endif
err = -2;
up(&(pxmitpriv->xmit_sema));
break;
}
k = 0;
}
/* ok to send, remove frame from queue */
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;
}
}
list_del_init(&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!", __func__);
/* 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 (list_empty(&pframe_queue->queue))
list_del_init(&ptxservq->tx_pending);
if (err)
break;
}
spin_unlock_bh(&pxmitpriv->lock);
/* 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);
yield();
} else
rtw_free_xmitbuf(pxmitpriv, pxmitbuf);
pxmitbuf = NULL;
}
if (err)
break;
}
return err;
}
