s32 rtw_free_xmitbuf(PADAPTER padapter, struct xmit_buf *pxmitbuf)
{
_irqL irqL;
_queue *queue = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
_func_enter_;
queue = &pxmitpriv->free_xmit_queue;
if (pxmitbuf == NULL) {
DBG_871X("======rtw_free_xmitbuf():pxmitbuf==NULL!!!!!!!!!!\n");
goto exit;
}
_enter_critical(&queue->lock, &irqL);
rtw_list_delete(&pxmitbuf->list);
rtw_list_insert_tail(&pxmitbuf->list, get_list_head(queue));
pxmitpriv->free_xmitbuf_cnt++;
#ifdef DBG_XMIT_BUF
DBG_871X("DBG_XMIT_BUF FREE no=%d, free_xmitbuf_cnt=%d\n",pxmitbuf->no ,pxmitpriv->free_xmitbuf_cnt);
#endif
_exit_critical(&queue->lock, &irqL);
exit:
_func_exit_;
return _SUCCESS;
}
/*
* Free recv private variable of hardware dependent
* 1. recv buf
* 2. recv tasklet
*
*/
void rtl8723as_free_recv_priv(PADAPTER padapter)
{
u32 i, n;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
precvpriv = &padapter->recvpriv;
//3 1. kill tasklet
#ifdef PLATFORM_LINUX
tasklet_kill(&precvpriv->recv_tasklet);
#endif
//3 2. free all recv buffers
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
if (precvbuf) {
n = NR_RECVBUFF;
precvpriv->free_recv_buf_queue_cnt = 0;
for (i = 0; i < n ; i++)
{
rtw_list_delete(&precvbuf->list);
rtw_os_recvbuf_resource_free(padapter, precvbuf);
freerecvbuf(precvbuf);
precvbuf++;
}
precvpriv->precv_buf = NULL;
}
if (precvpriv->pallocated_recv_buf) {
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
rtw_mfree(precvpriv->pallocated_recv_buf, n);
precvpriv->pallocated_recv_buf = NULL;
}
}
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;
}
s32 rtl8192ce_enqueue_xmitbuf(struct rtw_tx_ring *ring, struct xmit_buf *pxmitbuf)
{
_irqL irqL;
_queue *ppending_queue = &ring->queue;
_func_enter_;
//DBG_8192C("+enqueue_xmitbuf\n");
if(pxmitbuf==NULL)
{
return _FAIL;
}
//_enter_critical(&ppending_queue->lock, &irqL);
rtw_list_delete(&pxmitbuf->list);
rtw_list_insert_tail(&(pxmitbuf->list), get_list_head(ppending_queue));
ring->qlen++;
//DBG_8192C("FREE, free_xmitbuf_cnt=%d\n", pxmitpriv->free_xmitbuf_cnt);
//_exit_critical(&ppending_queue->lock, &irqL);
_func_exit_;
return _SUCCESS;
}
// free all stainfo which in sta_hash[all]
void rtw_free_all_stainfo(_adapter *padapter)
{
_irqL irqL;
_list *plist, *phead;
s32 index;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct sta_info* pbcmc_stainfo =rtw_get_bcmc_stainfo( padapter);
u8 free_sta_num = 0;
char free_sta_list[NUM_STA];
int stainfo_offset;
_func_enter_;
if(pstapriv->asoc_sta_count==1)
goto exit;
_enter_critical_bh(&pstapriv->sta_hash_lock, &irqL);
for(index=0; index< NUM_STA; index++)
{
phead = &(pstapriv->sta_hash[index]);
plist = get_next(phead);
while ((rtw_end_of_queue_search(phead, plist)) == _FALSE)
{
psta = LIST_CONTAINOR(plist, struct sta_info ,hash_list);
plist = get_next(plist);
if(pbcmc_stainfo!=psta)
{
rtw_list_delete(&psta->hash_list);
//rtw_free_stainfo(padapter , psta);
stainfo_offset = rtw_stainfo_offset(pstapriv, psta);
if (stainfo_offset_valid(stainfo_offset)) {
free_sta_list[free_sta_num++] = stainfo_offset;
}
}
}
}
_exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
for (index = 0; index < free_sta_num; index++)
{
psta = rtw_get_stainfo_by_offset(pstapriv, free_sta_list[index]);
rtw_free_stainfo(padapter , psta);
}
exit:
_func_exit_;
}
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);
}
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;
}
struct xmit_buf* rtw_dequeue_xmitbuf(PADAPTER padapter)
{
_irqL irqL;
_list *plist, *phead;
struct xmit_buf *pxmitbuf = NULL;
_queue *pframe_queue = NULL;
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
pframe_queue = &pxmitpriv->xmitbuf_pending_queue;
_func_enter_;
_enter_critical_bh(&pframe_queue->lock, &irqL);
phead = get_list_head(pframe_queue);
plist = get_next(phead);
if(plist != phead)
{
pxmitbuf = LIST_CONTAINOR(plist, struct xmit_buf, list);
rtw_list_delete(&pxmitbuf->list);
}
inline void rtw_st_ctl_clear_tracker_q(struct st_ctl_t *st_ctl)
{
_irqL irqL;
_list *plist, *phead;
struct session_tracker *st;
_enter_critical_bh(&st_ctl->tracker_q.lock, &irqL);
phead = &st_ctl->tracker_q.queue;
plist = get_next(phead);
while (rtw_end_of_queue_search(phead, plist) == _FALSE) {
st = LIST_CONTAINOR(plist, struct session_tracker, list);
plist = get_next(plist);
rtw_list_delete(&st->list);
rtw_mfree((u8 *)st, sizeof(struct session_tracker));
}
_exit_critical_bh(&st_ctl->tracker_q.lock, &irqL);
}
// using pstapriv->sta_hash_lock to protect
u32 rtw_free_stainfo(_adapter *padapter , struct sta_info *psta)
{
int i;
_irqL irqL0;
_queue *pfree_sta_queue;
struct recv_reorder_ctrl *preorder_ctrl;
struct sta_xmit_priv *pstaxmitpriv;
struct xmit_priv *pxmitpriv= &padapter->xmitpriv;
struct sta_priv *pstapriv = &padapter->stapriv;
struct hw_xmit *phwxmit;
_func_enter_;
if (psta == NULL)
goto exit;
_enter_critical_bh(&psta->lock, &irqL0);
psta->state &= ~_FW_LINKED;
_exit_critical_bh(&psta->lock, &irqL0);
pfree_sta_queue = &pstapriv->free_sta_queue;
pstaxmitpriv = &psta->sta_xmitpriv;
//rtw_list_delete(&psta->sleep_list);
//rtw_list_delete(&psta->wakeup_list);
_enter_critical_bh(&pxmitpriv->lock, &irqL0);
rtw_free_xmitframe_queue(pxmitpriv, &psta->sleep_q);
psta->sleepq_len = 0;
//vo
//_enter_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0);
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
phwxmit = pxmitpriv->hwxmits;
phwxmit->accnt -= pstaxmitpriv->vo_q.qcnt;
pstaxmitpriv->vo_q.qcnt = 0;
//_exit_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0);
//vi
//_enter_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0);
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
phwxmit = pxmitpriv->hwxmits+1;
phwxmit->accnt -= pstaxmitpriv->vi_q.qcnt;
pstaxmitpriv->vi_q.qcnt = 0;
//_exit_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0);
//be
//_enter_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0);
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
phwxmit = pxmitpriv->hwxmits+2;
phwxmit->accnt -= pstaxmitpriv->be_q.qcnt;
pstaxmitpriv->be_q.qcnt = 0;
//_exit_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0);
//bk
//_enter_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0);
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
phwxmit = pxmitpriv->hwxmits+3;
phwxmit->accnt -= pstaxmitpriv->bk_q.qcnt;
pstaxmitpriv->bk_q.qcnt = 0;
//_exit_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0);
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
rtw_list_delete(&psta->hash_list);
RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_err_,("\n free number_%d stainfo with hwaddr = 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x \n",pstapriv->asoc_sta_count , psta->hwaddr[0], psta->hwaddr[1], psta->hwaddr[2],psta->hwaddr[3],psta->hwaddr[4],psta->hwaddr[5]));
pstapriv->asoc_sta_count --;
// re-init sta_info; 20061114 // will be init in alloc_stainfo
//_rtw_init_sta_xmit_priv(&psta->sta_xmitpriv);
//_rtw_init_sta_recv_priv(&psta->sta_recvpriv);
_cancel_timer_ex(&psta->addba_retry_timer);
#ifdef CONFIG_TDLS
_cancel_timer_ex(&psta->TPK_timer);
_cancel_timer_ex(&psta->option_timer);
_cancel_timer_ex(&psta->base_ch_timer);
_cancel_timer_ex(&psta->off_ch_timer);
_cancel_timer_ex(&psta->alive_timer1);
_cancel_timer_ex(&psta->alive_timer2);
#endif //CONFIG_TDLS
//for A-MPDU Rx reordering buffer control, cancel reordering_ctrl_timer
for(i=0; i < 16 ; i++)
{
_irqL irqL;
_list *phead, *plist;
union recv_frame *prframe;
_queue *ppending_recvframe_queue;
_queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
preorder_ctrl = &psta->recvreorder_ctrl[i];
_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
_enter_critical_bh(&ppending_recvframe_queue->lock, &irqL);
phead = get_list_head(ppending_recvframe_queue);
plist = get_next(phead);
while(!rtw_is_list_empty(phead))
{
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
plist = get_next(plist);
rtw_list_delete(&(prframe->u.hdr.list));
rtw_free_recvframe(prframe, pfree_recv_queue);
}
_exit_critical_bh(&ppending_recvframe_queue->lock, &irqL);
}
if (!(psta->state & WIFI_AP_STATE))
rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, _FALSE);
//release mac id for non-bc/mc station,
rtw_release_macid(pstapriv->padapter, psta);
#ifdef CONFIG_AP_MODE
/*
_enter_critical_bh(&pstapriv->asoc_list_lock, &irqL0);
rtw_list_delete(&psta->asoc_list);
_exit_critical_bh(&pstapriv->asoc_list_lock, &irqL0);
*/
_enter_critical_bh(&pstapriv->auth_list_lock, &irqL0);
if (!rtw_is_list_empty(&psta->auth_list)) {
rtw_list_delete(&psta->auth_list);
pstapriv->auth_list_cnt--;
}
_exit_critical_bh(&pstapriv->auth_list_lock, &irqL0);
psta->expire_to = 0;
psta->sleepq_ac_len = 0;
psta->qos_info = 0;
psta->max_sp_len = 0;
psta->uapsd_bk = 0;
psta->uapsd_be = 0;
psta->uapsd_vi = 0;
psta->uapsd_vo = 0;
psta->has_legacy_ac = 0;
#ifdef CONFIG_NATIVEAP_MLME
pstapriv->sta_dz_bitmap &=~BIT(psta->aid);
pstapriv->tim_bitmap &=~BIT(psta->aid);
//rtw_indicate_sta_disassoc_event(padapter, psta);
if ((psta->aid >0)&&(pstapriv->sta_aid[psta->aid - 1] == psta))
{
pstapriv->sta_aid[psta->aid - 1] = NULL;
psta->aid = 0;
}
#endif // CONFIG_NATIVEAP_MLME
#ifdef CONFIG_TX_MCAST2UNI
psta->under_exist_checking = 0;
#endif // CONFIG_TX_MCAST2UNI
#endif // CONFIG_AP_MODE
_rtw_spinlock_free(&psta->lock);
//_enter_critical_bh(&(pfree_sta_queue->lock), &irqL0);
rtw_list_insert_tail(&psta->list, get_list_head(pfree_sta_queue));
//_exit_critical_bh(&(pfree_sta_queue->lock), &irqL0);
exit:
_func_exit_;
return _SUCCESS;
}
/*
* Initialize recv private variable for hardware dependent
* 1. recv buf
* 2. recv tasklet
*
*/
s32 rtl8723as_init_recv_priv(PADAPTER padapter)
{
s32 res;
u32 i, n;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
res = _SUCCESS;
precvpriv = &padapter->recvpriv;
//3 1. init recv buffer
_rtw_init_queue(&precvpriv->free_recv_buf_queue);
_rtw_init_queue(&precvpriv->recv_buf_pending_queue);
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
precvpriv->pallocated_recv_buf = rtw_zmalloc(n);
if (precvpriv->pallocated_recv_buf == NULL) {
res = _FAIL;
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("alloc recv_buf fail!\n"));
goto exit;
}
precvpriv->precv_buf = (u8*)N_BYTE_ALIGMENT((SIZE_PTR)(precvpriv->pallocated_recv_buf), 4);
// init each recv buffer
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
for (i = 0; i < NR_RECVBUFF; i++)
{
res = initrecvbuf(precvbuf, padapter);
if (res == _FAIL)
break;
res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
if (res == _FAIL) {
freerecvbuf(precvbuf);
break;
}
#ifdef CONFIG_SDIO_RX_COPY
if (precvbuf->pskb == NULL) {
SIZE_PTR tmpaddr=0;
SIZE_PTR alignment=0;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)) // http://www.mail-archive.com/[email protected]/msg17214.html
precvbuf->pskb = dev_alloc_skb(MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
#else
precvbuf->pskb = netdev_alloc_skb(padapter->pnetdev, MAX_RECVBUF_SZ + RECVBUFF_ALIGN_SZ);
#endif
if(precvbuf->pskb)
{
precvbuf->pskb->dev = padapter->pnetdev;
tmpaddr = (SIZE_PTR)precvbuf->pskb->data;
alignment = tmpaddr & (RECVBUFF_ALIGN_SZ-1);
skb_reserve(precvbuf->pskb, (RECVBUFF_ALIGN_SZ - alignment));
}
if (precvbuf->pskb == NULL) {
DBG_871X("%s: alloc_skb fail!\n", __FUNCTION__);
}
}
#endif
rtw_list_insert_tail(&precvbuf->list, &precvpriv->free_recv_buf_queue.queue);
precvbuf++;
}
precvpriv->free_recv_buf_queue_cnt = i;
if (res == _FAIL)
goto initbuferror;
//3 2. init tasklet
#ifdef PLATFORM_LINUX
tasklet_init(&precvpriv->recv_tasklet,
(void(*)(unsigned long))rtl8723as_recv_tasklet,
(unsigned long)padapter);
#endif
goto exit;
initbuferror:
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
if (precvbuf) {
n = precvpriv->free_recv_buf_queue_cnt;
precvpriv->free_recv_buf_queue_cnt = 0;
for (i = 0; i < n ; i++)
{
rtw_list_delete(&precvbuf->list);
rtw_os_recvbuf_resource_free(padapter, precvbuf);
freerecvbuf(precvbuf);
precvbuf++;
}
precvpriv->precv_buf = NULL;
}
if (precvpriv->pallocated_recv_buf) {
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
rtw_mfree(precvpriv->pallocated_recv_buf, n);
precvpriv->pallocated_recv_buf = NULL;
}
exit:
return res;
}
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
}
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;
}
/*
* Initialize recv private variable for hardware dependent
* 1. recv buf
* 2. recv tasklet
*
*/
s32 rtl8723as_init_recv_priv(PADAPTER padapter)
{
s32 res;
u32 i, n;
struct recv_priv *precvpriv;
struct recv_buf *precvbuf;
res = _SUCCESS;
precvpriv = &padapter->recvpriv;
//3 1. init recv buffer
_rtw_init_queue(&precvpriv->free_recv_buf_queue);
_rtw_init_queue(&precvpriv->recv_buf_pending_queue);
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
precvpriv->pallocated_recv_buf = rtw_zmalloc(n);
if (precvpriv->pallocated_recv_buf == NULL) {
res = _FAIL;
RT_TRACE(_module_rtl871x_recv_c_, _drv_err_, ("alloc recv_buf fail!\n"));
goto exit;
}
precvpriv->precv_buf = (u8*)N_BYTE_ALIGMENT((SIZE_PTR)(precvpriv->pallocated_recv_buf), 4);
// init each recv buffer
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
for (i = 0; i < NR_RECVBUFF; i++)
{
res = initrecvbuf(precvbuf, padapter);
if (res == _FAIL)
break;
res = rtw_os_recvbuf_resource_alloc(padapter, precvbuf);
if (res == _FAIL) {
freerecvbuf(precvbuf);
break;
}
rtw_list_insert_tail(&precvbuf->list, &precvpriv->free_recv_buf_queue.queue);
precvbuf++;
}
precvpriv->free_recv_buf_queue_cnt = i;
if (res == _FAIL)
goto initbuferror;
//3 2. init tasklet
#ifdef PLATFORM_LINUX
tasklet_init(&precvpriv->recv_tasklet,
(void(*)(unsigned long))rtl8723as_recv_tasklet,
(unsigned long)padapter);
#endif
goto exit;
initbuferror:
precvbuf = (struct recv_buf*)precvpriv->precv_buf;
if (precvbuf) {
n = precvpriv->free_recv_buf_queue_cnt;
precvpriv->free_recv_buf_queue_cnt = 0;
for (i = 0; i < n ; i++)
{
rtw_list_delete(&precvbuf->list);
rtw_os_recvbuf_resource_free(padapter, precvbuf);
freerecvbuf(precvbuf);
precvbuf++;
}
precvpriv->precv_buf = NULL;
}
if (precvpriv->pallocated_recv_buf) {
n = NR_RECVBUFF * sizeof(struct recv_buf) + 4;
rtw_mfree(precvpriv->pallocated_recv_buf, n);
precvpriv->pallocated_recv_buf = NULL;
}
exit:
return res;
}
/*
* 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;
}
// using pstapriv->sta_hash_lock to protect
u32 rtw_free_stainfo(_adapter *padapter , struct sta_info *psta)
{
int i;
_irqL irqL0;
_queue *pfree_sta_queue;
struct recv_reorder_ctrl *preorder_ctrl;
struct sta_xmit_priv *pstaxmitpriv;
struct xmit_priv *pxmitpriv= &padapter->xmitpriv;
struct sta_priv *pstapriv = &padapter->stapriv;
_func_enter_;
if (psta == NULL)
goto exit;
pfree_sta_queue = &pstapriv->free_sta_queue;
pstaxmitpriv = &psta->sta_xmitpriv;
//rtw_list_delete(&psta->sleep_list);
//rtw_list_delete(&psta->wakeup_list);
rtw_free_xmitframe_queue(pxmitpriv, &psta->sleep_q);
psta->sleepq_len = 0;
_enter_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0);
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
_exit_critical_bh(&(pxmitpriv->vo_pending.lock), &irqL0);
_enter_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0);
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
_exit_critical_bh(&(pxmitpriv->vi_pending.lock), &irqL0);
_enter_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0);
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
_exit_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0);
_enter_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0);
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
_exit_critical_bh(&(pxmitpriv->be_pending.lock), &irqL0);
rtw_list_delete(&psta->hash_list);
RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_err_,("\n free number_%d stainfo with hwaddr = 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x \n",pstapriv->asoc_sta_count , psta->hwaddr[0], psta->hwaddr[1], psta->hwaddr[2],psta->hwaddr[3],psta->hwaddr[4],psta->hwaddr[5]));
pstapriv->asoc_sta_count --;
// re-init sta_info; 20061114
_rtw_init_sta_xmit_priv(&psta->sta_xmitpriv);
_rtw_init_sta_recv_priv(&psta->sta_recvpriv);
_cancel_timer_ex(&psta->addba_retry_timer);
#ifdef CONFIG_TDLS
_cancel_timer_ex(&psta->TPK_timer);
_cancel_timer_ex(&psta->option_timer);
_cancel_timer_ex(&psta->base_ch_timer);
_cancel_timer_ex(&psta->off_ch_timer);
#endif
//for A-MPDU Rx reordering buffer control, cancel reordering_ctrl_timer
for(i=0; i < 16 ; i++)
{
preorder_ctrl = &psta->recvreorder_ctrl[i];
_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
}
#ifdef CONFIG_AP_MODE
rtw_list_delete(&psta->asoc_list);
rtw_list_delete(&psta->auth_list);
psta->expire_to = 0;
psta->sleepq_ac_len = 0;
psta->qos_info = 0;
psta->max_sp_len = 0;
psta->uapsd_bk = 0;
psta->uapsd_be = 0;
psta->uapsd_vi = 0;
psta->uapsd_vo = 0;
psta->has_legacy_ac = 0;
#ifdef CONFIG_NATIVEAP_MLME
pstapriv->sta_dz_bitmap &=~BIT(psta->aid);
pstapriv->tim_bitmap &=~BIT(psta->aid);
rtw_indicate_sta_disassoc_event(padapter, psta);
if (pstapriv->sta_aid[psta->aid - 1] == psta)
{
pstapriv->sta_aid[psta->aid - 1] = NULL;
psta->aid = 0;
}
#endif
#endif
_enter_critical_bh(&(pfree_sta_queue->lock), &irqL0);
rtw_list_insert_tail(&psta->list, get_list_head(pfree_sta_queue));
_exit_critical_bh(&(pfree_sta_queue->lock), &irqL0);
exit:
_func_exit_;
return _SUCCESS;
}
//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;
}
/* using pstapriv->sta_hash_lock to protect */
u32 rtw_free_stainfo(_adapter *padapter , struct sta_info *psta)
{
int i;
unsigned long irqL0;
struct __queue *pfree_sta_queue;
struct recv_reorder_ctrl *preorder_ctrl;
struct sta_xmit_priv *pstaxmitpriv;
struct xmit_priv *pxmitpriv= &padapter->xmitpriv;
struct sta_priv *pstapriv = &padapter->stapriv;
_func_enter_;
if (psta == NULL)
goto exit;
pfree_sta_queue = &pstapriv->free_sta_queue;
pstaxmitpriv = &psta->sta_xmitpriv;
_enter_critical_bh(&pxmitpriv->lock, &irqL0);
rtw_free_xmitframe_queue(pxmitpriv, &psta->sleep_q);
psta->sleepq_len = 0;
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vo_q.tx_pending));
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->vi_q.tx_pending));
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->bk_q.tx_pending));
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
rtw_list_delete(&(pstaxmitpriv->be_q.tx_pending));
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
rtw_list_delete(&psta->hash_list);
RT_TRACE(_module_rtl871x_sta_mgt_c_,_drv_err_,("\n free number_%d stainfo with hwaddr = 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x 0x%.2x\n",pstapriv->asoc_sta_count , psta->hwaddr[0], psta->hwaddr[1], psta->hwaddr[2],psta->hwaddr[3],psta->hwaddr[4],psta->hwaddr[5]));
pstapriv->asoc_sta_count --;
/* re-init sta_info; 20061114 */
_rtw_init_sta_xmit_priv(&psta->sta_xmitpriv);
_rtw_init_sta_recv_priv(&psta->sta_recvpriv);
_cancel_timer_ex(&psta->addba_retry_timer);
/* for A-MPDU Rx reordering buffer control, cancel reordering_ctrl_timer */
for (i=0; i < 16 ; i++)
{
unsigned long irqL;
struct list_head *phead, *plist;
union recv_frame *prframe;
struct __queue *ppending_recvframe_queue;
struct __queue *pfree_recv_queue = &padapter->recvpriv.free_recv_queue;
preorder_ctrl = &psta->recvreorder_ctrl[i];
_cancel_timer_ex(&preorder_ctrl->reordering_ctrl_timer);
ppending_recvframe_queue = &preorder_ctrl->pending_recvframe_queue;
_enter_critical_bh(&ppending_recvframe_queue->lock, &irqL);
phead = get_list_head(ppending_recvframe_queue);
plist = get_next(phead);
while (!rtw_is_list_empty(phead))
{
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
plist = get_next(plist);
rtw_list_delete(&(prframe->u.hdr.list));
rtw_free_recvframe(prframe, pfree_recv_queue);
}
_exit_critical_bh(&ppending_recvframe_queue->lock, &irqL);
}
if (!(psta->state & WIFI_AP_STATE))
rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, false);
#ifdef CONFIG_AP_MODE
_enter_critical_bh(&pstapriv->auth_list_lock, &irqL0);
if (!rtw_is_list_empty(&psta->auth_list)) {
rtw_list_delete(&psta->auth_list);
pstapriv->auth_list_cnt--;
}
_exit_critical_bh(&pstapriv->auth_list_lock, &irqL0);
psta->expire_to = 0;
psta->sleepq_ac_len = 0;
psta->qos_info = 0;
psta->max_sp_len = 0;
psta->uapsd_bk = 0;
psta->uapsd_be = 0;
psta->uapsd_vi = 0;
psta->uapsd_vo = 0;
psta->has_legacy_ac = 0;
pstapriv->sta_dz_bitmap &=~BIT(psta->aid);
pstapriv->tim_bitmap &=~BIT(psta->aid);
if ((psta->aid >0)&&(pstapriv->sta_aid[psta->aid - 1] == psta))
{
pstapriv->sta_aid[psta->aid - 1] = NULL;
psta->aid = 0;
}
psta->under_exist_checking = 0;
#endif /* CONFIG_AP_MODE */
_enter_critical_bh(&(pfree_sta_queue->lock), &irqL0);
rtw_list_insert_tail(&psta->list, get_list_head(pfree_sta_queue));
_exit_critical_bh(&(pfree_sta_queue->lock), &irqL0);
exit:
_func_exit_;
return _SUCCESS;
}
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;
}
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;
}
/*
* 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 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);
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;
}
