blob: 22f5b45f5f7fcb68d29334801221e2c434e1c9ef [file] [log] [blame]
/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _RTW_IOCTL_SET_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <rtw_ioctl_set.h>
#include <hal_intf.h>
extern void indicate_wx_scan_complete_event(struct adapter *padapter);
#define IS_MAC_ADDRESS_BROADCAST(addr) \
(\
((addr[0] == 0xff) && (addr[1] == 0xff) && \
(addr[2] == 0xff) && (addr[3] == 0xff) && \
(addr[4] == 0xff) && (addr[5] == 0xff)) ? true : false \
)
u8 rtw_do_join(struct adapter *padapter)
{
struct list_head *plist, *phead;
u8 *pibss = NULL;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct __queue *queue = &(pmlmepriv->scanned_queue);
u8 ret = _SUCCESS;
spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
phead = get_list_head(queue);
plist = phead->next;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("\n rtw_do_join: phead = %p; plist = %p\n\n\n", phead, plist));
pmlmepriv->cur_network.join_res = -2;
set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
pmlmepriv->pscanned = plist;
pmlmepriv->to_join = true;
if (list_empty(&queue->queue)) {
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
/* when set_ssid/set_bssid for rtw_do_join(), but scanning queue is empty */
/* we try to issue sitesurvey firstly */
if (!pmlmepriv->LinkDetectInfo.bBusyTraffic ||
pmlmepriv->to_roaming > 0) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("rtw_do_join(): site survey if scanned_queue is empty\n."));
/* submit site_survey_cmd */
ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
if (_SUCCESS != ret) {
pmlmepriv->to_join = false;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("rtw_do_join(): site survey return error\n."));
}
} else {
pmlmepriv->to_join = false;
ret = _FAIL;
}
goto exit;
} else {
int select_ret;
spin_unlock_bh(&(pmlmepriv->scanned_queue.lock));
select_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv);
if (select_ret == _SUCCESS) {
pmlmepriv->to_join = false;
mod_timer(&pmlmepriv->assoc_timer,
jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT));
} else {
if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
/* submit createbss_cmd to change to a ADHOC_MASTER */
/* pmlmepriv->lock has been acquired by caller... */
struct wlan_bssid_ex *pdev_network = &(padapter->registrypriv.dev_network);
pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE;
pibss = padapter->registrypriv.dev_network.MacAddress;
memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
rtw_update_registrypriv_dev_network(padapter);
rtw_generate_random_ibss(pibss);
if (rtw_createbss_cmd(padapter) != _SUCCESS) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error =>do_goin: rtw_createbss_cmd status FAIL***\n "));
ret = false;
goto exit;
}
pmlmepriv->to_join = false;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_,
("***Error => rtw_select_and_join_from_scanned_queue FAIL under STA_Mode***\n "));
} else {
/* can't associate ; reset under-linking */
_clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
/* when set_ssid/set_bssid for rtw_do_join(), but there are no desired bss in scanning queue */
/* we try to issue sitesurvey firstly */
if (!pmlmepriv->LinkDetectInfo.bBusyTraffic ||
pmlmepriv->to_roaming > 0) {
ret = rtw_sitesurvey_cmd(padapter, &pmlmepriv->assoc_ssid, 1, NULL, 0);
if (_SUCCESS != ret) {
pmlmepriv->to_join = false;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("do_join(): site survey return error\n."));
}
} else {
ret = _FAIL;
pmlmepriv->to_join = false;
}
}
}
}
exit:
return ret;
}
u8 rtw_set_802_11_bssid(struct adapter *padapter, u8 *bssid)
{
u8 status = _SUCCESS;
u32 cur_time = 0;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
DBG_88E_LEVEL(_drv_info_, "set bssid:%pM\n", bssid);
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 = _FAIL;
goto exit;
}
spin_lock_bh(&pmlmepriv->lock);
DBG_88E("Set BSSID under fw_state = 0x%08x\n", get_fwstate(pmlmepriv));
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true)
goto handle_tkip_countermeasure;
else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING))
goto release_mlme_lock;
if (check_fwstate(pmlmepriv, _FW_LINKED|WIFI_ADHOC_MASTER_STATE)) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("set_bssid: _FW_LINKED||WIFI_ADHOC_MASTER_STATE\n"));
if (!memcmp(&pmlmepriv->cur_network.network.MacAddress, bssid, ETH_ALEN)) {
if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == false)
goto release_mlme_lock;/* it means driver is in WIFI_ADHOC_MASTER_STATE, we needn't create bss again. */
} else {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("Set BSSID not the same bssid\n"));
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("set_bssid =%pM\n", (bssid)));
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("cur_bssid =%pM\n", (pmlmepriv->cur_network.network.MacAddress)));
rtw_disassoc_cmd(padapter, 0, true);
if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
rtw_indicate_disconnect(padapter);
rtw_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);
}
}
}
handle_tkip_countermeasure:
/* should we add something here...? */
if (padapter->securitypriv.btkip_countermeasure) {
cur_time = jiffies;
if ((cur_time - padapter->securitypriv.btkip_countermeasure_time) > 60 * HZ) {
padapter->securitypriv.btkip_countermeasure = false;
padapter->securitypriv.btkip_countermeasure_time = 0;
} else {
status = _FAIL;
goto release_mlme_lock;
}
}
memcpy(&pmlmepriv->assoc_bssid, bssid, ETH_ALEN);
pmlmepriv->assoc_by_bssid = true;
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY))
pmlmepriv->to_join = true;
else
status = rtw_do_join(padapter);
release_mlme_lock:
spin_unlock_bh(&pmlmepriv->lock);
exit:
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("rtw_set_802_11_bssid: status=%d\n", status));
return status;
}
u8 rtw_set_802_11_ssid(struct adapter *padapter, struct ndis_802_11_ssid *ssid)
{
u8 status = _SUCCESS;
u32 cur_time = 0;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *pnetwork = &pmlmepriv->cur_network;
DBG_88E_LEVEL(_drv_info_, "set ssid [%s] fw_state=0x%08x\n",
ssid->Ssid, get_fwstate(pmlmepriv));
if (!padapter->hw_init_completed) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("set_ssid: hw_init_completed == false =>exit!!!\n"));
status = _FAIL;
goto exit;
}
spin_lock_bh(&pmlmepriv->lock);
DBG_88E("Set SSID under fw_state = 0x%08x\n", get_fwstate(pmlmepriv));
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true)
goto handle_tkip_countermeasure;
else if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true)
goto release_mlme_lock;
if (check_fwstate(pmlmepriv, _FW_LINKED|WIFI_ADHOC_MASTER_STATE)) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_,
("set_ssid: _FW_LINKED||WIFI_ADHOC_MASTER_STATE\n"));
if ((pmlmepriv->assoc_ssid.SsidLength == ssid->SsidLength) &&
(!memcmp(&pmlmepriv->assoc_ssid.Ssid, ssid->Ssid, ssid->SsidLength))) {
if ((check_fwstate(pmlmepriv, WIFI_STATION_STATE) == false)) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("Set SSID is the same ssid, fw_state = 0x%08x\n",
get_fwstate(pmlmepriv)));
if (!rtw_is_same_ibss(padapter, pnetwork)) {
/* if in WIFI_ADHOC_MASTER_STATE | WIFI_ADHOC_STATE, create bss or rejoin again */
rtw_disassoc_cmd(padapter, 0, true);
if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
rtw_indicate_disconnect(padapter);
rtw_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);
}
} else {
goto release_mlme_lock;/* it means driver is in WIFI_ADHOC_MASTER_STATE, we needn't create bss again. */
}
} else {
rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_JOINBSS, 1);
}
} else {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("Set SSID not the same ssid\n"));
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("set_ssid =[%s] len = 0x%x\n", ssid->Ssid, (unsigned int)ssid->SsidLength));
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("assoc_ssid =[%s] len = 0x%x\n", pmlmepriv->assoc_ssid.Ssid, (unsigned int)pmlmepriv->assoc_ssid.SsidLength));
rtw_disassoc_cmd(padapter, 0, true);
if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
rtw_indicate_disconnect(padapter);
rtw_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);
}
}
}
handle_tkip_countermeasure:
if (padapter->securitypriv.btkip_countermeasure) {
cur_time = jiffies;
if ((cur_time - padapter->securitypriv.btkip_countermeasure_time) > 60 * HZ) {
padapter->securitypriv.btkip_countermeasure = false;
padapter->securitypriv.btkip_countermeasure_time = 0;
} else {
status = _FAIL;
goto release_mlme_lock;
}
}
memcpy(&pmlmepriv->assoc_ssid, ssid, sizeof(struct ndis_802_11_ssid));
pmlmepriv->assoc_by_bssid = false;
if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true)
pmlmepriv->to_join = true;
else
status = rtw_do_join(padapter);
release_mlme_lock:
spin_unlock_bh(&pmlmepriv->lock);
exit:
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_,
("-rtw_set_802_11_ssid: status =%d\n", status));
return status;
}
u8 rtw_set_802_11_infrastructure_mode(struct adapter *padapter,
enum ndis_802_11_network_infra networktype)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_network *cur_network = &pmlmepriv->cur_network;
enum ndis_802_11_network_infra *pold_state = &(cur_network->network.InfrastructureMode);
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_notice_,
("+rtw_set_802_11_infrastructure_mode: old =%d new =%d fw_state = 0x%08x\n",
*pold_state, networktype, get_fwstate(pmlmepriv)));
if (*pold_state != networktype) {
spin_lock_bh(&pmlmepriv->lock);
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, (" change mode!"));
/* DBG_88E("change mode, old_mode =%d, new_mode =%d, fw_state = 0x%x\n", *pold_state, networktype, get_fwstate(pmlmepriv)); */
if (*pold_state == Ndis802_11APMode) {
/* change to other mode from Ndis802_11APMode */
cur_network->join_res = -1;
#ifdef CONFIG_88EU_AP_MODE
stop_ap_mode(padapter);
#endif
}
if ((check_fwstate(pmlmepriv, _FW_LINKED)) ||
(*pold_state == Ndis802_11IBSS))
rtw_disassoc_cmd(padapter, 0, true);
if ((check_fwstate(pmlmepriv, _FW_LINKED)) ||
(check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)))
rtw_free_assoc_resources(padapter);
if ((*pold_state == Ndis802_11Infrastructure) || (*pold_state == Ndis802_11IBSS)) {
if (check_fwstate(pmlmepriv, _FW_LINKED) == true)
rtw_indicate_disconnect(padapter); /* will clr Linked_state; before this function, we must have checked whether issue dis-assoc_cmd or not */
}
*pold_state = networktype;
_clr_fwstate_(pmlmepriv, ~WIFI_NULL_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);
#ifdef CONFIG_88EU_AP_MODE
start_ap_mode(padapter);
#endif
break;
case Ndis802_11AutoUnknown:
case Ndis802_11InfrastructureMax:
break;
}
spin_unlock_bh(&pmlmepriv->lock);
}
return true;
}
u8 rtw_set_802_11_disassociate(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
spin_lock_bh(&pmlmepriv->lock);
if (check_fwstate(pmlmepriv, _FW_LINKED)) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_,
("MgntActrtw_set_802_11_disassociate: rtw_indicate_disconnect\n"));
rtw_disassoc_cmd(padapter, 0, true);
rtw_indicate_disconnect(padapter);
rtw_free_assoc_resources(padapter);
rtw_pwr_wakeup(padapter);
}
spin_unlock_bh(&pmlmepriv->lock);
return true;
}
u8 rtw_set_802_11_bssid_list_scan(struct adapter *padapter, struct ndis_802_11_ssid *pssid, int ssid_max_num)
{
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
u8 res = true;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("+rtw_set_802_11_bssid_list_scan(), fw_state =%x\n", get_fwstate(pmlmepriv)));
if (padapter == NULL) {
res = false;
goto exit;
}
if (!padapter->hw_init_completed) {
res = false;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("\n === rtw_set_802_11_bssid_list_scan:hw_init_completed == false ===\n"));
goto exit;
}
if ((check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING)) ||
(pmlmepriv->LinkDetectInfo.bBusyTraffic)) {
/* Scan or linking is in progress, do nothing. */
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("rtw_set_802_11_bssid_list_scan fail since fw_state = %x\n", get_fwstate(pmlmepriv)));
res = true;
if (check_fwstate(pmlmepriv,
(_FW_UNDER_SURVEY|_FW_UNDER_LINKING)) == true)
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("\n###_FW_UNDER_SURVEY|_FW_UNDER_LINKING\n\n"));
else
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("\n###pmlmepriv->sitesurveyctrl.traffic_busy == true\n\n"));
} else {
if (rtw_is_scan_deny(padapter)) {
DBG_88E(FUNC_ADPT_FMT": scan deny\n", FUNC_ADPT_ARG(padapter));
indicate_wx_scan_complete_event(padapter);
return _SUCCESS;
}
spin_lock_bh(&pmlmepriv->lock);
res = rtw_sitesurvey_cmd(padapter, pssid, ssid_max_num, NULL, 0);
spin_unlock_bh(&pmlmepriv->lock);
}
exit:
return res;
}
u8 rtw_set_802_11_authentication_mode(struct adapter *padapter, enum ndis_802_11_auth_mode authmode)
{
struct security_priv *psecuritypriv = &padapter->securitypriv;
int res;
u8 ret;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("set_802_11_auth.mode(): mode =%x\n", authmode));
psecuritypriv->ndisauthtype = authmode;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_,
("rtw_set_802_11_authentication_mode:psecuritypriv->ndisauthtype=%d",
psecuritypriv->ndisauthtype));
if (psecuritypriv->ndisauthtype > 3)
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
res = rtw_set_auth(padapter, psecuritypriv);
if (res == _SUCCESS)
ret = true;
else
ret = false;
return ret;
}
u8 rtw_set_802_11_add_wep(struct adapter *padapter, struct ndis_802_11_wep *wep)
{
int keyid, res;
struct security_priv *psecuritypriv = &(padapter->securitypriv);
u8 ret = _SUCCESS;
keyid = wep->KeyIndex & 0x3fffffff;
if (keyid >= 4) {
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("MgntActrtw_set_802_11_add_wep:keyid>4 =>fail\n"));
ret = false;
goto exit;
}
switch (wep->KeyLength) {
case 5:
psecuritypriv->dot11PrivacyAlgrthm = _WEP40_;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("MgntActrtw_set_802_11_add_wep:wep->KeyLength = 5\n"));
break;
case 13:
psecuritypriv->dot11PrivacyAlgrthm = _WEP104_;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("MgntActrtw_set_802_11_add_wep:wep->KeyLength = 13\n"));
break;
default:
psecuritypriv->dot11PrivacyAlgrthm = _NO_PRIVACY_;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_, ("MgntActrtw_set_802_11_add_wep:wep->KeyLength!= 5 or 13\n"));
break;
}
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_,
("rtw_set_802_11_add_wep:before memcpy, wep->KeyLength = 0x%x wep->KeyIndex = 0x%x keyid =%x\n",
wep->KeyLength, wep->KeyIndex, keyid));
memcpy(&(psecuritypriv->dot11DefKey[keyid].skey[0]), &(wep->KeyMaterial), wep->KeyLength);
psecuritypriv->dot11DefKeylen[keyid] = wep->KeyLength;
psecuritypriv->dot11PrivacyKeyIndex = keyid;
RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_info_,
("rtw_set_802_11_add_wep:security key material : %x %x %x %x %x %x %x %x %x %x %x %x %x\n",
psecuritypriv->dot11DefKey[keyid].skey[0],
psecuritypriv->dot11DefKey[keyid].skey[1],
psecuritypriv->dot11DefKey[keyid].skey[2],
psecuritypriv->dot11DefKey[keyid].skey[3],
psecuritypriv->dot11DefKey[keyid].skey[4],
psecuritypriv->dot11DefKey[keyid].skey[5],
psecuritypriv->dot11DefKey[keyid].skey[6],
psecuritypriv->dot11DefKey[keyid].skey[7],
psecuritypriv->dot11DefKey[keyid].skey[8],
psecuritypriv->dot11DefKey[keyid].skey[9],
psecuritypriv->dot11DefKey[keyid].skey[10],
psecuritypriv->dot11DefKey[keyid].skey[11],
psecuritypriv->dot11DefKey[keyid].skey[12]));
res = rtw_set_key(padapter, psecuritypriv, keyid, 1);
if (res == _FAIL)
ret = false;
exit:
return ret;
}
/*
* rtw_get_cur_max_rate -
* @adapter: pointer to struct adapter structure
*
* Return 0 or 100Kbps
*/
u16 rtw_get_cur_max_rate(struct adapter *adapter)
{
int i = 0;
u8 *p;
u16 rate = 0, max_rate = 0;
struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct registry_priv *pregistrypriv = &adapter->registrypriv;
struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
struct wlan_bssid_ex *pcur_bss = &pmlmepriv->cur_network.network;
struct rtw_ieee80211_ht_cap *pht_capie;
u8 rf_type = 0;
u8 bw_40MHz = 0, short_GI_20 = 0, short_GI_40 = 0;
u16 mcs_rate = 0;
u32 ht_ielen = 0;
if (adapter->registrypriv.mp_mode == 1) {
if (check_fwstate(pmlmepriv, WIFI_MP_STATE))
return 0;
}
if ((!check_fwstate(pmlmepriv, _FW_LINKED)) &&
(!check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)))
return 0;
if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N|WIRELESS_11_5N)) {
p = rtw_get_ie(&pcur_bss->IEs[12], _HT_CAPABILITY_IE_, &ht_ielen, pcur_bss->IELength-12);
if (p && ht_ielen > 0) {
pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
memcpy(&mcs_rate, pht_capie->supp_mcs_set, 2);
/* cur_bwmod is updated by beacon, pmlmeinfo is updated by association response */
bw_40MHz = (pmlmeext->cur_bwmode && (HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH & pmlmeinfo->HT_info.infos[0])) ? 1 : 0;
short_GI_20 = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & IEEE80211_HT_CAP_SGI_20) ? 1 : 0;
short_GI_40 = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & IEEE80211_HT_CAP_SGI_40) ? 1 : 0;
rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
max_rate = rtw_mcs_rate(
rf_type,
bw_40MHz & (pregistrypriv->cbw40_enable),
short_GI_20,
short_GI_40,
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate
);
}
} else {
while ((pcur_bss->SupportedRates[i] != 0) && (pcur_bss->SupportedRates[i] != 0xFF)) {
rate = pcur_bss->SupportedRates[i]&0x7F;
if (rate > max_rate)
max_rate = rate;
i++;
}
max_rate = max_rate*10/2;
}
return max_rate;
}
/*
* rtw_set_country -
* @adapter: pointer to struct adapter structure
* @country_code: string of country code
*
* Return _SUCCESS or _FAIL
*/
int rtw_set_country(struct adapter *adapter, const char *country_code)
{
int i;
int channel_plan = RT_CHANNEL_DOMAIN_WORLD_WIDE_5G;
DBG_88E("%s country_code:%s\n", __func__, country_code);
for (i = 0; i < ARRAY_SIZE(channel_table); i++) {
if (0 == strcmp(channel_table[i].name, country_code)) {
channel_plan = channel_table[i].channel_plan;
break;
}
}
if (i == ARRAY_SIZE(channel_table))
DBG_88E("%s unknown country_code:%s\n", __func__, country_code);
return rtw_set_chplan_cmd(adapter, channel_plan, 1);
}