static int netdev_close(struct net_device *pnetdev)
{
struct _adapter *padapter = (struct _adapter *) _netdev_priv(pnetdev);
/* Close LED*/
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_POWER_OFF);
msleep(200);
/*s1.*/
if (pnetdev) {
if (!netif_queue_stopped(pnetdev))
netif_stop_queue(pnetdev);
}
/*s2.*/
/*s2-1. issue disassoc_cmd to fw*/
r8712_disassoc_cmd(padapter);
/*s2-2. indicate disconnect to os*/
r8712_ind_disconnect(padapter);
/*s2-3.*/
r8712_free_assoc_resources(padapter);
/*s2-4.*/
r8712_free_network_queue(padapter);
/*Stop driver mlme relation timer*/
stop_drv_timers(padapter);
return 0;
}
/**
*
* This function intends to handle the shutdown of an interface
* i.e. when it is brought Down from an Up/Active state.
*
*/
static int netdev_close(struct net_device *pnetdev)
{
struct _adapter *padapter = (struct _adapter *) netdev_priv(pnetdev);
/* Close LED*/
padapter->ledpriv.LedControlHandler(padapter, LED_CTL_POWER_OFF);
msleep(200);
/*s1.*/
if (pnetdev) {
if (!netif_queue_stopped(pnetdev))
netif_stop_queue(pnetdev);
}
/*s2.*/
/*s2-1. issue disassoc_cmd to fw*/
r8712_disassoc_cmd(padapter);
/*s2-2. indicate disconnect to os*/
r8712_ind_disconnect(padapter);
/*s2-3.*/
r8712_free_assoc_resources(padapter);
/*s2-4.*/
r8712_free_network_queue(padapter);
/* The interface is no longer Up: */
padapter->bup = false;
release_firmware(padapter->fw);
/* never exit with a firmware callback pending */
wait_for_completion(&padapter->rtl8712_fw_ready);
return 0;
}
void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
{
unsigned long irqL, irqL2;
struct sta_info *psta;
struct wlan_network *pwlan = NULL;
struct wlan_bssid_ex *pdev_network = NULL;
u8 *pibss = NULL;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct stadel_event *pstadel = (struct stadel_event *)pbuf;
struct sta_priv *pstapriv = &adapter->stapriv;
struct wlan_network *tgt_network = &pmlmepriv->cur_network;
spin_lock_irqsave(&pmlmepriv->lock, irqL2);
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
r8712_ind_disconnect(adapter);
r8712_free_assoc_resources(adapter);
}
if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
WIFI_ADHOC_STATE)) {
psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
r8712_free_stainfo(adapter, psta);
spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
if (adapter->stapriv.asoc_sta_count == 1) {
/*a sta + bc/mc_stainfo (not Ibss_stainfo) */
pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
tgt_network->network.MacAddress);
if (pwlan) {
pwlan->fixed = false;
free_network_nolock(pmlmepriv, pwlan);
}
/*re-create ibss*/
pdev_network = &(adapter->registrypriv.dev_network);
pibss = adapter->registrypriv.dev_network.MacAddress;
memcpy(pdev_network, &tgt_network->network,
r8712_get_ndis_wlan_bssid_ex_sz(&tgt_network->
network));
memset(&pdev_network->Ssid, 0,
sizeof(struct ndis_802_11_ssid));
memcpy(&pdev_network->Ssid,
&pmlmepriv->assoc_ssid,
sizeof(struct ndis_802_11_ssid));
r8712_update_registrypriv_dev_network(adapter);
r8712_generate_random_ibss(pibss);
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
_clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
}
}
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
}
u8 r8712_set_802_11_disassociate(struct _adapter *padapter)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
r8712_disassoc_cmd(padapter);
r8712_ind_disconnect(padapter);
r8712_free_assoc_resources(padapter);
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
return true;
}
u8 r8712_set_802_11_infrastructure_mode(struct _adapter *padapter,
enum NDIS_802_11_NETWORK_INFRASTRUCTURE networktype)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *cur_network = &pmlmepriv->cur_network;
enum NDIS_802_11_NETWORK_INFRASTRUCTURE *pold_state =
&(cur_network->network.InfrastructureMode);
if (*pold_state != networktype) {
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) ||
(*pold_state == Ndis802_11IBSS))
r8712_disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv,
_FW_LINKED|WIFI_ADHOC_MASTER_STATE) == true)
r8712_free_assoc_resources(padapter);
if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) ||
(*pold_state == Ndis802_11Infrastructure) ||
(*pold_state == Ndis802_11IBSS)) {
/* will clr Linked_state before this function,
* we must have chked whether issue dis-assoc_cmd or
* not */
r8712_ind_disconnect(padapter);
}
*pold_state = networktype;
/* clear WIFI_STATION_STATE; WIFI_AP_STATE; WIFI_ADHOC_STATE;
* WIFI_ADHOC_MASTER_STATE */
_clr_fwstate_(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE |
WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE |
WIFI_AP_STATE);
switch (networktype) {
case Ndis802_11IBSS:
set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
break;
case Ndis802_11Infrastructure:
set_fwstate(pmlmepriv, WIFI_STATION_STATE);
break;
case Ndis802_11APMode:
set_fwstate(pmlmepriv, WIFI_AP_STATE);
break;
case Ndis802_11AutoUnknown:
case Ndis802_11InfrastructureMax:
break;
}
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
return true;
}
u8 r8712_set_802_11_bssid(struct _adapter *padapter, u8 *bssid)
{
unsigned long irqL;
u8 status = true;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
if ((bssid[0] == 0x00 && bssid[1] == 0x00 && bssid[2] == 0x00 &&
bssid[3] == 0x00 && bssid[4] == 0x00 && bssid[5] == 0x00) ||
(bssid[0] == 0xFF && bssid[1] == 0xFF && bssid[2] == 0xFF &&
bssid[3] == 0xFF && bssid[4] == 0xFF && bssid[5] == 0xFF)) {
status = false;
return status;
}
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY |
_FW_UNDER_LINKING) == true) {
status = check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
goto _Abort_Set_BSSID;
}
if (check_fwstate(pmlmepriv,
_FW_LINKED|WIFI_ADHOC_MASTER_STATE) == true) {
if (!memcmp(&pmlmepriv->cur_network.network.MacAddress, bssid,
ETH_ALEN)) {
if (check_fwstate(pmlmepriv,
WIFI_STATION_STATE) == false)
goto _Abort_Set_BSSID; /* driver is in
* WIFI_ADHOC_MASTER_STATE */
} else {
r8712_disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
r8712_ind_disconnect(padapter);
r8712_free_assoc_resources(padapter);
if ((check_fwstate(pmlmepriv,
WIFI_ADHOC_MASTER_STATE))) {
_clr_fwstate_(pmlmepriv,
WIFI_ADHOC_MASTER_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
}
}
}
memcpy(&pmlmepriv->assoc_bssid, bssid, ETH_ALEN);
pmlmepriv->assoc_by_bssid = true;
status = do_join(padapter);
goto done;
_Abort_Set_BSSID:
done:
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
return status;
}
void r8712_set_802_11_ssid(struct _adapter *padapter,
struct ndis_802_11_ssid *ssid)
{
unsigned long irqL;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *pnetwork = &pmlmepriv->cur_network;
if (!padapter->hw_init_completed)
return;
spin_lock_irqsave(&pmlmepriv->lock, irqL);
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING)) {
check_fwstate(pmlmepriv, _FW_UNDER_LINKING);
goto _Abort_Set_SSID;
}
if (check_fwstate(pmlmepriv, _FW_LINKED|WIFI_ADHOC_MASTER_STATE)) {
if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) &&
(!memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid,
ssid->SsidLength))) {
if (!check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
if (!r8712_is_same_ibss(padapter,
pnetwork)) {
/* if in WIFI_ADHOC_MASTER_STATE or
* WIFI_ADHOC_STATE, create bss or
* rejoin again
*/
r8712_disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv,
_FW_LINKED) == true)
r8712_ind_disconnect(padapter);
r8712_free_assoc_resources(padapter);
if (check_fwstate(pmlmepriv,
WIFI_ADHOC_MASTER_STATE)) {
_clr_fwstate_(pmlmepriv,
WIFI_ADHOC_MASTER_STATE);
set_fwstate(pmlmepriv,
WIFI_ADHOC_STATE);
}
} else
goto _Abort_Set_SSID; /* driver is in
* WIFI_ADHOC_MASTER_STATE */
}
} else {
r8712_disassoc_cmd(padapter);
if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
r8712_ind_disconnect(padapter);
r8712_free_assoc_resources(padapter);
if (check_fwstate(pmlmepriv,
WIFI_ADHOC_MASTER_STATE) == true) {
_clr_fwstate_(pmlmepriv,
WIFI_ADHOC_MASTER_STATE);
set_fwstate(pmlmepriv, WIFI_ADHOC_STATE);
}
}
}
if (padapter->securitypriv.btkip_countermeasure == true)
goto _Abort_Set_SSID;
if (!validate_ssid(ssid))
goto _Abort_Set_SSID;
memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(struct ndis_802_11_ssid));
pmlmepriv->assoc_by_bssid = false;
do_join(padapter);
goto done;
_Abort_Set_SSID:
done:
spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
}
int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
{
struct list_head *phead;
unsigned char *dst_ssid, *src_ssid;
struct _adapter *adapter;
struct __queue *queue = NULL;
struct wlan_network *pnetwork = NULL;
struct wlan_network *pnetwork_max_rssi = NULL;
adapter = (struct _adapter *)pmlmepriv->nic_hdl;
queue = &pmlmepriv->scanned_queue;
phead = get_list_head(queue);
pmlmepriv->pscanned = get_next(phead);
while (1) {
if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) {
if ((pmlmepriv->assoc_by_rssi == true) &&
(pnetwork_max_rssi != NULL)) {
pnetwork = pnetwork_max_rssi;
goto ask_for_joinbss;
}
return _FAIL;
}
pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
struct wlan_network, list);
if (pnetwork == NULL)
return _FAIL;
pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
if (pmlmepriv->assoc_by_bssid == true) {
dst_ssid = pnetwork->network.MacAddress;
src_ssid = pmlmepriv->assoc_bssid;
if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
if (is_same_network(&pmlmepriv->
cur_network.network,
&pnetwork->network)) {
_clr_fwstate_(pmlmepriv,
_FW_UNDER_LINKING);
/*r8712_indicate_connect again*/
r8712_indicate_connect(adapter);
return 2;
}
r8712_disassoc_cmd(adapter);
r8712_ind_disconnect(adapter);
r8712_free_assoc_resources(adapter);
}
goto ask_for_joinbss;
}
} else if (pmlmepriv->assoc_ssid.SsidLength == 0)
goto ask_for_joinbss;
dst_ssid = pnetwork->network.Ssid.Ssid;
src_ssid = pmlmepriv->assoc_ssid.Ssid;
if ((pnetwork->network.Ssid.SsidLength ==
pmlmepriv->assoc_ssid.SsidLength) &&
(!memcmp(dst_ssid, src_ssid,
pmlmepriv->assoc_ssid.SsidLength))) {
if (pmlmepriv->assoc_by_rssi == true) {
/* if the ssid is the same, select the bss
* which has the max rssi*/
if (pnetwork_max_rssi) {
if (pnetwork->network.Rssi >
pnetwork_max_rssi->network.Rssi)
pnetwork_max_rssi = pnetwork;
} else
pnetwork_max_rssi = pnetwork;
} else if (is_desired_network(adapter, pnetwork)) {
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
r8712_disassoc_cmd(adapter);
r8712_free_assoc_resources(adapter);
}
goto ask_for_joinbss;
}
}
}
return _FAIL;
ask_for_joinbss:
return r8712_joinbss_cmd(adapter, pnetwork);
}