// using pstapriv->sta_hash_lock to protect
u32 rtw_free_stainfo(_adapter *padapter , struct sta_info *psta)
{
int i;
_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;
spin_lock_bh(&psta->lock);
psta->state &= ~_FW_LINKED;
spin_unlock_bh(&psta->lock);
pfree_sta_queue = &pstapriv->free_sta_queue;
pstaxmitpriv = &psta->sta_xmitpriv;
//list_del_init(&psta->sleep_list);
//list_del_init(&psta->wakeup_list);
spin_lock_bh(&pxmitpriv->lock);
rtw_free_xmitframe_queue(pxmitpriv, &psta->sleep_q);
psta->sleepq_len = 0;
//vo
//spin_lock_bh(&(pxmitpriv->vo_pending.lock));
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->vo_q.sta_pending);
list_del_init(&(pstaxmitpriv->vo_q.tx_pending));
phwxmit = pxmitpriv->hwxmits;
phwxmit->accnt -= pstaxmitpriv->vo_q.qcnt;
pstaxmitpriv->vo_q.qcnt = 0;
//spin_unlock_bh(&(pxmitpriv->vo_pending.lock));
//vi
//spin_lock_bh(&(pxmitpriv->vi_pending.lock));
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->vi_q.sta_pending);
list_del_init(&(pstaxmitpriv->vi_q.tx_pending));
phwxmit = pxmitpriv->hwxmits+1;
phwxmit->accnt -= pstaxmitpriv->vi_q.qcnt;
pstaxmitpriv->vi_q.qcnt = 0;
//spin_unlock_bh(&(pxmitpriv->vi_pending.lock));
//be
//spin_lock_bh(&(pxmitpriv->be_pending.lock));
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->be_q.sta_pending);
list_del_init(&(pstaxmitpriv->be_q.tx_pending));
phwxmit = pxmitpriv->hwxmits+2;
phwxmit->accnt -= pstaxmitpriv->be_q.qcnt;
pstaxmitpriv->be_q.qcnt = 0;
//spin_unlock_bh(&(pxmitpriv->be_pending.lock));
//bk
//spin_lock_bh(&(pxmitpriv->bk_pending.lock));
rtw_free_xmitframe_queue( pxmitpriv, &pstaxmitpriv->bk_q.sta_pending);
list_del_init(&(pstaxmitpriv->bk_q.tx_pending));
phwxmit = pxmitpriv->hwxmits+3;
phwxmit->accnt -= pstaxmitpriv->bk_q.qcnt;
pstaxmitpriv->bk_q.qcnt = 0;
//spin_unlock_bh(&(pxmitpriv->bk_pending.lock));
spin_unlock_bh(&pxmitpriv->lock);
list_del_init(&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);
//for A-MPDU Rx reordering buffer control, cancel reordering_ctrl_timer
for(i=0; i < 16 ; i++)
{
_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;
spin_lock_bh(&ppending_recvframe_queue->lock);
phead = get_list_head(ppending_recvframe_queue);
plist = get_next(phead);
while(!list_empty(phead))
{
prframe = LIST_CONTAINOR(plist, union recv_frame, u);
plist = get_next(plist);
list_del_init(&(prframe->u.hdr.list));
rtw_free_recvframe(prframe, pfree_recv_queue);
}
spin_unlock_bh(&ppending_recvframe_queue->lock);
}
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);
/*
spin_lock_bh(&pstapriv->asoc_list_lock);
list_del_init(&psta->asoc_list);
spin_unlock_bh(&pstapriv->asoc_list_lock);
*/
spin_lock_bh(&pstapriv->auth_list_lock);
if (!list_empty(&psta->auth_list)) {
list_del_init(&psta->auth_list);
pstapriv->auth_list_cnt--;
}
spin_unlock_bh(&pstapriv->auth_list_lock);
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;
//spin_lock_bh(&(pfree_sta_queue->lock));
list_add_tail(&psta->list, get_list_head(pfree_sta_queue));
//spin_unlock_bh(&(pfree_sta_queue->lock));
exit:
_func_exit_;
return _SUCCESS;
}
// 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;
int pending_qcnt[4];
_func_enter_;
if (psta == NULL)
goto exit;
_enter_critical_bh(&(pstapriv->sta_hash_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 --;
_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
_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;
pending_qcnt[0] = 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;
pending_qcnt[1] = 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;
pending_qcnt[2] = 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;
pending_qcnt[3] = pstaxmitpriv->bk_q.qcnt;
pstaxmitpriv->bk_q.qcnt = 0;
//_exit_critical_bh(&(pxmitpriv->bk_pending.lock), &irqL0);
rtw_os_wake_queue_at_free_stainfo(padapter, pending_qcnt);
_exit_critical_bh(&pxmitpriv->lock, &irqL0);
// 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
rtw_free_tdls_timer(psta);
#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;
#ifdef CONFIG_ATMEL_RC_PATCH
psta->flag_atmel_rc = 0;
#endif
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);
_enter_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
rtw_list_insert_tail(&psta->list, get_list_head(pfree_sta_queue));
_exit_critical_bh(&(pstapriv->sta_hash_lock), &irqL0);
//_exit_critical_bh(&(pfree_sta_queue->lock), &irqL0);
exit:
_func_exit_;
return _SUCCESS;
}
