// 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);
if(pstapriv->asoc_sta_count==1)
return;
SPIN_LOCK_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_free_stainfo(padapter , psta);
}
}
SPIN_UNLOCK_BH(pstapriv->sta_hash_lock, &irqL);
}
/* free all stainfo which in sta_hash[all] */
void rtw_free_all_stainfo(struct adapter *padapter)
{
struct list_head *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);
if (pstapriv->asoc_sta_count == 1)
return;
spin_lock_bh(&pstapriv->sta_hash_lock);
for (index = 0; index < NUM_STA; index++) {
phead = &pstapriv->sta_hash[index];
plist = phead->next;
while (phead != plist) {
psta = container_of(plist, struct sta_info, hash_list);
plist = plist->next;
if (pbcmc_stainfo != psta)
rtw_free_stainfo(padapter, psta);
}
}
spin_unlock_bh(&pstapriv->sta_hash_lock);
}
// 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 stop_ap_mode(struct adapter *padapter)
{
struct list_head *phead, *plist;
struct rtw_wlan_acl_node *paclnode;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
struct __queue *pacl_node_q = &pacl_list->acl_node_q;
pmlmepriv->update_bcn = false;
pmlmeext->bstart_bss = false;
/* reset and init security priv , this can refine with
* rtw_reset_securitypriv
*/
memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv));
padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen;
padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled;
/* for ACL */
spin_lock_bh(&pacl_node_q->lock);
phead = get_list_head(pacl_node_q);
plist = phead->next;
while (phead != plist) {
paclnode = container_of(plist, struct rtw_wlan_acl_node, list);
plist = plist->next;
if (paclnode->valid) {
paclnode->valid = false;
list_del_init(&paclnode->list);
pacl_list->num--;
}
}
spin_unlock_bh(&pacl_node_q->lock);
DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num);
rtw_sta_flush(padapter);
/* free_assoc_sta_resources */
rtw_free_all_stainfo(padapter);
psta = rtw_get_bcmc_stainfo(padapter);
spin_lock_bh(&pstapriv->sta_hash_lock);
rtw_free_stainfo(padapter, psta);
spin_unlock_bh(&pstapriv->sta_hash_lock);
rtw_init_bcmc_stainfo(padapter);
rtw_free_mlme_priv_ie_data(pmlmepriv);
}
/* free all stainfo which in sta_hash[all] */
void rtw_free_all_stainfo(_adapter *padapter)
{
unsigned long irqL;
struct list_head *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);
_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_free_stainfo(padapter , psta);
}
}
_exit_critical_bh(&pstapriv->sta_hash_lock, &irqL);
exit:
_func_exit_;
}
// free all stainfo which in sta_hash[all]
void rtw_free_all_stainfo(_adapter *padapter)
{
_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);
_func_enter_;
if(pstapriv->asoc_sta_count==1)
goto exit;
spin_lock_bh(&pstapriv->sta_hash_lock);
for(index=0; index< NUM_STA; index++)
{
phead = &(pstapriv->sta_hash[index]);
plist = get_next(phead);
while (phead != plist)
{
psta = LIST_CONTAINOR(plist, struct sta_info ,hash_list);
plist = get_next(plist);
if(pbcmc_stainfo!=psta)
rtw_free_stainfo(padapter , psta);
}
}
spin_unlock_bh(&pstapriv->sta_hash_lock);
exit:
_func_exit_;
}
u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta,
bool active, u16 reason)
{
u8 beacon_updated = false;
struct sta_priv *pstapriv = &padapter->stapriv;
if (!psta)
return beacon_updated;
/* tear down Rx AMPDU */
send_delba(padapter, 0, psta->hwaddr);/* recipient */
/* tear down TX AMPDU */
send_delba(padapter, 1, psta->hwaddr);/* originator */
psta->htpriv.agg_enable_bitmap = 0x0;/* reset */
psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */
if (active)
issue_deauth(padapter, psta->hwaddr, reason);
/* clear cam entry / key */
rtw_clearstakey_cmd(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), true);
spin_lock_bh(&psta->lock);
psta->state &= ~_FW_LINKED;
spin_unlock_bh(&psta->lock);
rtw_indicate_sta_disassoc_event(padapter, psta);
report_del_sta_event(padapter, psta->hwaddr, reason);
beacon_updated = bss_cap_update_on_sta_leave(padapter, psta);
spin_lock_bh(&pstapriv->sta_hash_lock);
rtw_free_stainfo(padapter, psta);
spin_unlock_bh(&pstapriv->sta_hash_lock);
return beacon_updated;
}
void free_mlme_ap_info(struct adapter *padapter)
{
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
pmlmepriv->update_bcn = false;
pmlmeext->bstart_bss = false;
rtw_sta_flush(padapter);
pmlmeinfo->state = _HW_STATE_NOLINK_;
/* free_assoc_sta_resources */
rtw_free_all_stainfo(padapter);
/* free bc/mc sta_info */
psta = rtw_get_bcmc_stainfo(padapter);
spin_lock_bh(&pstapriv->sta_hash_lock);
rtw_free_stainfo(padapter, psta);
spin_unlock_bh(&pstapriv->sta_hash_lock);
}
void expire_timeout_chk(struct adapter *padapter)
{
struct list_head *phead, *plist;
u8 updated = 0;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
u8 chk_alive_num = 0;
char chk_alive_list[NUM_STA];
int i;
spin_lock_bh(&pstapriv->auth_list_lock);
phead = &pstapriv->auth_list;
plist = phead->next;
/* check auth_queue */
while (phead != plist) {
psta = container_of(plist, struct sta_info, auth_list);
plist = plist->next;
if (psta->expire_to > 0) {
psta->expire_to--;
if (psta->expire_to == 0) {
list_del_init(&psta->auth_list);
pstapriv->auth_list_cnt--;
DBG_88E("auth expire %6ph\n",
psta->hwaddr);
spin_unlock_bh(&pstapriv->auth_list_lock);
spin_lock_bh(&pstapriv->sta_hash_lock);
rtw_free_stainfo(padapter, psta);
spin_unlock_bh(&pstapriv->sta_hash_lock);
spin_lock_bh(&pstapriv->auth_list_lock);
}
}
}
spin_unlock_bh(&pstapriv->auth_list_lock);
psta = NULL;
spin_lock_bh(&pstapriv->asoc_list_lock);
phead = &pstapriv->asoc_list;
plist = phead->next;
/* check asoc_queue */
while (phead != plist) {
psta = container_of(plist, struct sta_info, asoc_list);
plist = plist->next;
if (chk_sta_is_alive(psta) || !psta->expire_to) {
psta->expire_to = pstapriv->expire_to;
psta->keep_alive_trycnt = 0;
psta->under_exist_checking = 0;
} else {
psta->expire_to--;
}
if (psta->expire_to <= 0) {
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
if (padapter->registrypriv.wifi_spec == 1) {
psta->expire_to = pstapriv->expire_to;
continue;
}
if (psta->state & WIFI_SLEEP_STATE) {
if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) {
/* to check if alive by another methods
* if station is at ps mode.
*/
psta->expire_to = pstapriv->expire_to;
psta->state |= WIFI_STA_ALIVE_CHK_STATE;
/* to update bcn with tim_bitmap
* for this station
*/
pstapriv->tim_bitmap |= BIT(psta->aid);
update_beacon(padapter, _TIM_IE_, NULL,
false);
if (!pmlmeext->active_keep_alive_check)
continue;
}
}
if (pmlmeext->active_keep_alive_check) {
int stainfo_offset;
stainfo_offset =
rtw_stainfo_offset(pstapriv, psta);
if (stainfo_offset_valid(stainfo_offset))
chk_alive_list[chk_alive_num++] =
stainfo_offset;
continue;
}
list_del_init(&psta->asoc_list);
pstapriv->asoc_list_cnt--;
DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
} else {
/* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */
if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt) &&
padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME / pstapriv->asoc_list_cnt / 2)) {
DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__,
(psta->hwaddr), psta->sleepq_len,
padapter->xmitpriv.free_xmitframe_cnt,
pstapriv->asoc_list_cnt);
wakeup_sta_to_xmit(padapter, psta);
}
}
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
if (chk_alive_num) {
u8 backup_oper_channel = 0;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
/* switch to correct channel of current network before issue keep-alive frames */
if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) {
backup_oper_channel = rtw_get_oper_ch(padapter);
SelectChannel(padapter, pmlmeext->cur_channel);
}
/* issue null data to check sta alive*/
for (i = 0; i < chk_alive_num; i++) {
int ret = _FAIL;
psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]);
if (psta->state & WIFI_SLEEP_STATE)
ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50);
else
ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50);
psta->keep_alive_trycnt++;
if (ret == _SUCCESS) {
DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr));
psta->expire_to = pstapriv->expire_to;
psta->keep_alive_trycnt = 0;
continue;
} else if (psta->keep_alive_trycnt <= 3) {
DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt);
psta->expire_to = 1;
continue;
}
psta->keep_alive_trycnt = 0;
DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state);
spin_lock_bh(&pstapriv->asoc_list_lock);
list_del_init(&psta->asoc_list);
pstapriv->asoc_list_cnt--;
updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
spin_unlock_bh(&pstapriv->asoc_list_lock);
}
if (backup_oper_channel > 0) /* back to the original operation channel */
SelectChannel(padapter, backup_oper_channel);
}
associated_clients_update(padapter, updated);
}
