/******************************************************************************
*
* 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_AP_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <wifi.h>
#include <ieee80211.h>
#include <asm/unaligned.h>
#ifdef CONFIG_88EU_AP_MODE
void init_mlme_ap_info(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct sta_priv *pstapriv = &padapter->stapriv;
struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
spin_lock_init(&pmlmepriv->bcn_update_lock);
/* for ACL */
_rtw_init_queue(&pacl_list->acl_node_q);
start_ap_mode(padapter);
}
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));
}
static void update_BCNTIM(struct adapter *padapter)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network);
unsigned char *pie = pnetwork_mlmeext->IEs;
/* update TIM IE */
if (true) {
u8 *p, *dst_ie, *premainder_ie = NULL;
u8 *pbackup_remainder_ie = NULL;
uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen;
p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen, pnetwork_mlmeext->IELength - _FIXED_IE_LENGTH_);
if (p != NULL && tim_ielen > 0) {
tim_ielen += 2;
premainder_ie = p+tim_ielen;
tim_ie_offset = (int)(p - pie);
remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen;
/* append TIM IE from dst_ie offset */
dst_ie = p;
} else {
tim_ielen = 0;
/* calculate head_len */
offset = _FIXED_IE_LENGTH_;
offset += pnetwork_mlmeext->Ssid.SsidLength + 2;
/* get supported rates len */
p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &tmp_len, (pnetwork_mlmeext->IELength - _BEACON_IE_OFFSET_));
if (p != NULL)
offset += tmp_len+2;
/* DS Parameter Set IE, len = 3 */
offset += 3;
premainder_ie = pie + offset;
remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen;
/* append TIM IE from offset */
dst_ie = pie + offset;
}
if (remainder_ielen > 0) {
pbackup_remainder_ie = rtw_malloc(remainder_ielen);
if (pbackup_remainder_ie && premainder_ie)
memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
}
*dst_ie++ = _TIM_IE_;
if ((pstapriv->tim_bitmap&0xff00) && (pstapriv->tim_bitmap&0x00fc))
tim_ielen = 5;
else
tim_ielen = 4;
*dst_ie++ = tim_ielen;
*dst_ie++ = 0;/* DTIM count */
*dst_ie++ = 1;/* DTIM period */
if (pstapriv->tim_bitmap&BIT(0))/* for bc/mc frames */
*dst_ie++ = BIT(0);/* bitmap ctrl */
else
*dst_ie++ = 0;
if (tim_ielen == 4) {
*dst_ie++ = pstapriv->tim_bitmap & 0xff;
} else if (tim_ielen == 5) {
put_unaligned_le16(pstapriv->tim_bitmap, dst_ie);
dst_ie += 2;
}
/* copy remainder IE */
if (pbackup_remainder_ie) {
memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
kfree(pbackup_remainder_ie);
}
offset = (uint)(dst_ie - pie);
pnetwork_mlmeext->IELength = offset + remainder_ielen;
}
set_tx_beacon_cmd(padapter);
}
void rtw_add_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork, u8 index, u8 *data, u8 len)
{
struct ndis_802_11_var_ie *pIE;
u8 bmatch = false;
u8 *pie = pnetwork->IEs;
u8 *p = NULL, *dst_ie = NULL, *premainder_ie = NULL;
u8 *pbackup_remainder_ie = NULL;
u32 i, offset, ielen = 0, ie_offset, remainder_ielen = 0;
for (i = sizeof(struct ndis_802_11_fixed_ie); i < pnetwork->IELength;) {
pIE = (struct ndis_802_11_var_ie *)(pnetwork->IEs + i);
if (pIE->ElementID > index) {
break;
} else if (pIE->ElementID == index) { /* already exist the same IE */
p = (u8 *)pIE;
ielen = pIE->Length;
bmatch = true;
break;
}
p = (u8 *)pIE;
ielen = pIE->Length;
i += (pIE->Length + 2);
}
if (p != NULL && ielen > 0) {
ielen += 2;
premainder_ie = p+ielen;
ie_offset = (int)(p - pie);
remainder_ielen = pnetwork->IELength - ie_offset - ielen;
if (bmatch)
dst_ie = p;
else
dst_ie = (p+ielen);
}
if (remainder_ielen > 0) {
pbackup_remainder_ie = rtw_malloc(remainder_ielen);
if (pbackup_remainder_ie && premainder_ie)
memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
}
*dst_ie++ = index;
*dst_ie++ = len;
memcpy(dst_ie, data, len);
dst_ie += len;
/* copy remainder IE */
if (pbackup_remainder_ie) {
memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
kfree(pbackup_remainder_ie);
}
offset = (uint)(dst_ie - pie);
pnetwork->IELength = offset + remainder_ielen;
}
void rtw_remove_bcn_ie(struct adapter *padapter, struct wlan_bssid_ex *pnetwork, u8 index)
{
u8 *p, *dst_ie = NULL, *premainder_ie = NULL;
u8 *pbackup_remainder_ie = NULL;
uint offset, ielen, ie_offset, remainder_ielen = 0;
u8 *pie = pnetwork->IEs;
p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, index, &ielen,
pnetwork->IELength - _FIXED_IE_LENGTH_);
if (p != NULL && ielen > 0) {
ielen += 2;
premainder_ie = p+ielen;
ie_offset = (int)(p - pie);
remainder_ielen = pnetwork->IELength - ie_offset - ielen;
dst_ie = p;
}
if (remainder_ielen > 0) {
pbackup_remainder_ie = rtw_malloc(remainder_ielen);
if (pbackup_remainder_ie && premainder_ie)
memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
}
/* copy remainder IE */
if (pbackup_remainder_ie) {
memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen);
kfree(pbackup_remainder_ie);
}
offset = (uint)(dst_ie - pie);
pnetwork->IELength = offset + remainder_ielen;
}
static u8 chk_sta_is_alive(struct sta_info *psta)
{
u8 ret = false;
if ((psta->sta_stats.last_rx_data_pkts + psta->sta_stats.last_rx_ctrl_pkts) ==
(psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts))
;
else
ret = true;
sta_update_last_rx_pkts(psta);
return ret;
}
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);
}
void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level)
{
int i;
u8 rf_type;
u32 init_rate = 0;
unsigned char sta_band = 0, raid, shortGIrate = false;
unsigned char limit;
unsigned int tx_ra_bitmap = 0;
struct ht_priv *psta_ht = NULL;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
if (psta)
psta_ht = &psta->htpriv;
else
return;
if (!(psta->state & _FW_LINKED))
return;
/* b/g mode ra_bitmap */
for (i = 0; i < sizeof(psta->bssrateset); i++) {
if (psta->bssrateset[i])
tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i]&0x7f);
}
/* n mode ra_bitmap */
if (psta_ht->ht_option) {
rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
if (rf_type == RF_2T2R)
limit = 16;/* 2R */
else
limit = 8;/* 1R */
for (i = 0; i < limit; i++) {
if (psta_ht->ht_cap.supp_mcs_set[i/8] & BIT(i%8))
tx_ra_bitmap |= BIT(i+12);
}
/* max short GI rate */
shortGIrate = psta_ht->sgi;
}
if (pcur_network->Configuration.DSConfig > 14) {
/* 5G band */
if (tx_ra_bitmap & 0xffff000)
sta_band |= WIRELESS_11_5N | WIRELESS_11A;
else
sta_band |= WIRELESS_11A;
} else {
if (tx_ra_bitmap & 0xffff000)
sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B;
else if (tx_ra_bitmap & 0xff0)
sta_band |= WIRELESS_11G | WIRELESS_11B;
else
sta_band |= WIRELESS_11B;
}
psta->wireless_mode = sta_band;
raid = networktype_to_raid(sta_band);
init_rate = get_highest_rate_idx(tx_ra_bitmap&0x0fffffff)&0x3f;
if (psta->aid < NUM_STA) {
u8 arg = 0;
arg = psta->mac_id&0x1f;
arg |= BIT(7);/* support entry 2~31 */
if (shortGIrate)
arg |= BIT(5);
tx_ra_bitmap |= ((raid<<28)&0xf0000000);
DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n",
__func__, psta->mac_id, raid, tx_ra_bitmap, arg);
/* bitmap[0:27] = tx_rate_bitmap */
/* bitmap[28:31]= Rate Adaptive id */
/* arg[0:4] = macid */
/* arg[5] = Short GI */
rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level);
if (shortGIrate)
init_rate |= BIT(6);
/* set ra_id, init_rate */
psta->raid = raid;
psta->init_rate = init_rate;
} else {
DBG_88E("station aid %d exceed the max number\n", psta->aid);
}
}
static void update_bmc_sta(struct adapter *padapter)
{
u32 init_rate = 0;
unsigned char network_type, raid;
int i, supportRateNum = 0;
unsigned int tx_ra_bitmap = 0;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
struct sta_info *psta = rtw_get_bcmc_stainfo(padapter);
if (psta) {
psta->aid = 0;/* default set to 0 */
psta->mac_id = psta->aid + 1;
psta->qos_option = 0;
psta->htpriv.ht_option = false;
psta->ieee8021x_blocked = 0;
memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
/* prepare for add_RATid */
supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates);
network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates, supportRateNum, 1);
memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum);
psta->bssratelen = supportRateNum;
/* b/g mode ra_bitmap */
for (i = 0; i < supportRateNum; i++) {
if (psta->bssrateset[i])
tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i]&0x7f);
}
if (pcur_network->Configuration.DSConfig > 14) {
/* force to A mode. 5G doesn't support CCK rates */
network_type = WIRELESS_11A;
tx_ra_bitmap = 0x150; /* 6, 12, 24 Mbps */
} else {
/* force to b mode */
network_type = WIRELESS_11B;
tx_ra_bitmap = 0xf;
}
raid = networktype_to_raid(network_type);
init_rate = get_highest_rate_idx(tx_ra_bitmap&0x0fffffff)&0x3f;
/* ap mode */
rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
{
u8 arg = 0;
arg = psta->mac_id&0x1f;
arg |= BIT(7);
tx_ra_bitmap |= ((raid<<28)&0xf0000000);
DBG_88E("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg);
/* bitmap[0:27] = tx_rate_bitmap */
/* bitmap[28:31]= Rate Adaptive id */
/* arg[0:4] = macid */
/* arg[5] = Short GI */
rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0);
}
/* set ra_id, init_rate */
psta->raid = raid;
psta->init_rate = init_rate;
rtw_stassoc_hw_rpt(padapter, psta);
spin_lock_bh(&psta->lock);
psta->state = _FW_LINKED;
spin_unlock_bh(&psta->lock);
} else {
DBG_88E("add_RATid_bmc_sta error!\n");
}
}
/* notes: */
/* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */
/* MAC_ID = AID+1 for sta in ap/adhoc mode */
/* MAC_ID = 1 for bc/mc for sta/ap/adhoc */
/* MAC_ID = 0 for bssid for sta/ap/adhoc */
/* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */
void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
struct ht_priv *phtpriv_sta = &psta->htpriv;
psta->mac_id = psta->aid+1;
DBG_88E("%s\n", __func__);
/* ap mode */
rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X)
psta->ieee8021x_blocked = true;
else
psta->ieee8021x_blocked = false;
/* update sta's cap */
/* ERP */
VCS_update(padapter, psta);
/* HT related cap */
if (phtpriv_sta->ht_option) {
/* check if sta supports rx ampdu */
phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable;
/* check if sta support s Short GI */
if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40))
phtpriv_sta->sgi = true;
/* bwmode */
if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & IEEE80211_HT_CAP_SUP_WIDTH) {
phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
}
psta->qos_option = true;
} else {
phtpriv_sta->ampdu_enable = false;
phtpriv_sta->sgi = false;
phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
}
/* Rx AMPDU */
send_delba(padapter, 0, psta->hwaddr);/* recipient */
/* TX AMPDU */
send_delba(padapter, 1, psta->hwaddr);/* originator */
phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */
phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */
/* todo: init other variables */
memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats));
spin_lock_bh(&psta->lock);
psta->state |= _FW_LINKED;
spin_unlock_bh(&psta->lock);
}
static void update_hw_ht_param(struct adapter *padapter)
{
unsigned char max_AMPDU_len;
unsigned char min_MPDU_spacing;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
DBG_88E("%s\n", __func__);
/* handle A-MPDU parameter field */
/*
AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
AMPDU_para [4:2]:Min MPDU Start Spacing
*/
max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
/* */
/* Config SM Power Save setting */
/* */
pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2;
if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
}
static void start_bss_network(struct adapter *padapter, u8 *pbuf)
{
u8 *p;
u8 val8, cur_channel, cur_bwmode, cur_ch_offset;
u16 bcn_interval;
u32 acparm;
int ie_len;
struct registry_priv *pregpriv = &padapter->registrypriv;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct security_priv *psecuritypriv = &(padapter->securitypriv);
struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network);
struct HT_info_element *pht_info = NULL;
bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod;
cur_channel = pnetwork->Configuration.DSConfig;
cur_bwmode = HT_CHANNEL_WIDTH_20;
cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
/* check if there is wps ie, */
/* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */
/* and at first time the security ie (RSN/WPA IE) will not include in beacon. */
if (!rtw_get_wps_ie(pnetwork->IEs+_FIXED_IE_LENGTH_, pnetwork->IELength-_FIXED_IE_LENGTH_, NULL, NULL))
pmlmeext->bstart_bss = true;
/* todo: update wmm, ht cap */
if (pmlmepriv->qospriv.qos_option)
pmlmeinfo->WMM_enable = true;
if (pmlmepriv->htpriv.ht_option) {
pmlmeinfo->WMM_enable = true;
pmlmeinfo->HT_enable = true;
update_hw_ht_param(padapter);
}
if (pmlmepriv->cur_network.join_res != true) { /* setting only at first time */
/* WEP Key will be set before this function, do not clear CAM. */
if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) &&
(psecuritypriv->dot11PrivacyAlgrthm != _WEP104_))
flush_all_cam_entry(padapter); /* clear CAM */
}
/* set MSR to AP_Mode */
Set_MSR(padapter, _HW_STATE_AP_);
/* Set BSSID REG */
rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress);
/* Set EDCA param reg */
acparm = 0x002F3217; /* VO */
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm));
acparm = 0x005E4317; /* VI */
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm));
acparm = 0x005ea42b;
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm));
acparm = 0x0000A444; /* BK */
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm));
/* Set Security */
val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf;
rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8));
/* Beacon Control related register */
rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval));
UpdateBrateTbl(padapter, pnetwork->SupportedRates);
rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates);
if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */
/* turn on all dynamic functions */
Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true);
}
/* set channel, bwmode */
p = rtw_get_ie((pnetwork->IEs + sizeof(struct ndis_802_11_fixed_ie)), _HT_ADD_INFO_IE_, &ie_len, (pnetwork->IELength - sizeof(struct ndis_802_11_fixed_ie)));
if (p && ie_len) {
pht_info = (struct HT_info_element *)(p+2);
if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) {
/* switch to the 40M Hz mode */
cur_bwmode = HT_CHANNEL_WIDTH_40;
switch (pht_info->infos[0] & 0x3) {
case 1:
cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
break;
case 3:
cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
break;
default:
cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
break;
}
}
}
/* TODO: need to judge the phy parameters on concurrent mode for single phy */
set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode);
DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset);
/* */
pmlmeext->cur_channel = cur_channel;
pmlmeext->cur_bwmode = cur_bwmode;
pmlmeext->cur_ch_offset = cur_ch_offset;
pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type;
/* update cur_wireless_mode */
update_wireless_mode(padapter);
/* update capability after cur_wireless_mode updated */
update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork));
/* let pnetwork_mlmeext == pnetwork_mlme. */
memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length);
if (pmlmeext->bstart_bss) {
update_beacon(padapter, _TIM_IE_, NULL, false);
/* issue beacon frame */
if (send_beacon(padapter) == _FAIL)
DBG_88E("issue_beacon, fail!\n");
}
/* update bc/mc sta_info */
update_bmc_sta(padapter);
}
int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len)
{
int ret = _SUCCESS;
u8 *p;
u8 *pHT_caps_ie = NULL;
u8 *pHT_info_ie = NULL;
struct sta_info *psta = NULL;
u16 cap, ht_cap = false;
uint ie_len = 0;
int group_cipher, pairwise_cipher;
u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX];
int supportRateNum = 0;
u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01};
u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01};
struct registry_priv *pregistrypriv = &padapter->registrypriv;
struct security_priv *psecuritypriv = &padapter->securitypriv;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network;
u8 *ie = pbss_network->IEs;
/* SSID */
/* Supported rates */
/* DS Params */
/* WLAN_EID_COUNTRY */
/* ERP Information element */
/* Extended supported rates */
/* WPA/WPA2 */
/* Wi-Fi Wireless Multimedia Extensions */
/* ht_capab, ht_oper */
/* WPS IE */
DBG_88E("%s, len =%d\n", __func__, len);
if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true)
return _FAIL;
if (len > MAX_IE_SZ)
return _FAIL;
pbss_network->IELength = len;
memset(ie, 0, MAX_IE_SZ);
memcpy(ie, pbuf, pbss_network->IELength);
if (pbss_network->InfrastructureMode != Ndis802_11APMode)
return _FAIL;
pbss_network->Rssi = 0;
ether_addr_copy(pbss_network->MacAddress, myid(&(padapter->eeprompriv)));
/* beacon interval */
p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p);
/* capability */
cap = get_unaligned_le16(ie);
/* SSID */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
if (p && ie_len > 0) {
memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len);
pbss_network->Ssid.SsidLength = ie_len;
}
/* channel */
channel = 0;
pbss_network->Configuration.Length = 0;
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
if (p && ie_len > 0)
channel = *(p + 2);
pbss_network->Configuration.DSConfig = channel;
memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX);
/* get supported rates */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
if (p != NULL) {
memcpy(supportRate, p+2, ie_len);
supportRateNum = ie_len;
}
/* get ext_supported rates */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->IELength - _BEACON_IE_OFFSET_);
if (p != NULL) {
memcpy(supportRate+supportRateNum, p+2, ie_len);
supportRateNum += ie_len;
}
network_type = rtw_check_network_type(supportRate, supportRateNum, channel);
rtw_set_supported_rate(pbss_network->SupportedRates, network_type);
/* parsing ERP_IE */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
if (p && ie_len > 0)
ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p);
/* update privacy/security */
if (cap & BIT(4))
pbss_network->Privacy = 1;
else
pbss_network->Privacy = 0;
psecuritypriv->wpa_psk = 0;
/* wpa2 */
group_cipher = 0;
pairwise_cipher = 0;
psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_;
psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_;
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->IELength - _BEACON_IE_OFFSET_));
if (p && ie_len > 0) {
if (rtw_parse_wpa2_ie(p, ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) {
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
psecuritypriv->wpa_psk |= BIT(1);
psecuritypriv->wpa2_group_cipher = group_cipher;
psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher;
}
}
/* wpa */
ie_len = 0;
group_cipher = 0;
pairwise_cipher = 0;
psecuritypriv->wpa_group_cipher = _NO_PRIVACY_;
psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_;
for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
p = rtw_get_ie(p, _SSN_IE_1_, &ie_len,
(pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
if ((p) && (!memcmp(p+2, OUI1, 4))) {
if (rtw_parse_wpa_ie(p, ie_len+2, &group_cipher,
&pairwise_cipher, NULL) == _SUCCESS) {
psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X;
psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */
psecuritypriv->wpa_psk |= BIT(0);
psecuritypriv->wpa_group_cipher = group_cipher;
psecuritypriv->wpa_pairwise_cipher = pairwise_cipher;
}
break;
}
if ((p == NULL) || (ie_len == 0))
break;
}
/* wmm */
ie_len = 0;
pmlmepriv->qospriv.qos_option = 0;
if (pregistrypriv->wmm_enable) {
for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) {
p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len,
(pbss_network->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2)));
if ((p) && !memcmp(p+2, WMM_PARA_IE, 6)) {
pmlmepriv->qospriv.qos_option = 1;
*(p+8) |= BIT(7);/* QoS Info, support U-APSD */
/* disable all ACM bits since the WMM admission control is not supported */
*(p + 10) &= ~BIT(4); /* BE */
*(p + 14) &= ~BIT(4); /* BK */
*(p + 18) &= ~BIT(4); /* VI */
*(p + 22) &= ~BIT(4); /* VO */
break;
}
if ((p == NULL) || (ie_len == 0))
break;
}
}
/* parsing HT_CAP_IE */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len,
(pbss_network->IELength - _BEACON_IE_OFFSET_));
if (p && ie_len > 0) {
u8 rf_type;
struct rtw_ieee80211_ht_cap *pht_cap = (struct rtw_ieee80211_ht_cap *)(p+2);
pHT_caps_ie = p;
ht_cap = true;
network_type |= WIRELESS_11_24N;
rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) ||
(psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP))
pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
else
pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
/* set Max Rx AMPDU size to 64K */
pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03);
if (rf_type == RF_1T1R) {
pht_cap->supp_mcs_set[0] = 0xff;
pht_cap->supp_mcs_set[1] = 0x0;
}
memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len);
}
/* parsing HT_INFO_IE */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len,
(pbss_network->IELength - _BEACON_IE_OFFSET_));
if (p && ie_len > 0)
pHT_info_ie = p;
switch (network_type) {
case WIRELESS_11B:
pbss_network->NetworkTypeInUse = Ndis802_11DS;
break;
case WIRELESS_11G:
case WIRELESS_11BG:
case WIRELESS_11G_24N:
case WIRELESS_11BG_24N:
pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
break;
case WIRELESS_11A:
pbss_network->NetworkTypeInUse = Ndis802_11OFDM5;
break;
default:
pbss_network->NetworkTypeInUse = Ndis802_11OFDM24;
break;
}
pmlmepriv->cur_network.network_type = network_type;
pmlmepriv->htpriv.ht_option = false;
if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) ||
(psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) {
/* todo: */
/* ht_cap = false; */
}
/* ht_cap */
if (pregistrypriv->ht_enable && ht_cap) {
pmlmepriv->htpriv.ht_option = true;
pmlmepriv->qospriv.qos_option = 1;
if (pregistrypriv->ampdu_enable == 1)
pmlmepriv->htpriv.ampdu_enable = true;
HT_caps_handler(padapter, (struct ndis_802_11_var_ie *)pHT_caps_ie);
HT_info_handler(padapter, (struct ndis_802_11_var_ie *)pHT_info_ie);
}
pbss_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pbss_network);
/* issue beacon to start bss network */
start_bss_network(padapter, (u8 *)pbss_network);
/* alloc sta_info for ap itself */
psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress);
if (!psta) {
psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress);
if (psta == NULL)
return _FAIL;
}
/* fix bug of flush_cam_entry at STOP AP mode */
psta->state |= WIFI_AP_STATE;
rtw_indicate_connect(padapter);
pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */
return ret;
}
void rtw_set_macaddr_acl(struct adapter *padapter, int mode)
{
struct sta_priv *pstapriv = &padapter->stapriv;
struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
DBG_88E("%s, mode =%d\n", __func__, mode);
pacl_list->mode = mode;
}
int rtw_acl_add_sta(struct adapter *padapter, u8 *addr)
{
struct list_head *plist, *phead;
u8 added = false;
int i, ret = 0;
struct rtw_wlan_acl_node *paclnode;
struct sta_priv *pstapriv = &padapter->stapriv;
struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
struct __queue *pacl_node_q = &pacl_list->acl_node_q;
DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
if ((NUM_ACL-1) < pacl_list->num)
return -1;
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 (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
if (paclnode->valid) {
added = true;
DBG_88E("%s, sta has been added\n", __func__);
break;
}
}
}
spin_unlock_bh(&(pacl_node_q->lock));
if (added)
return ret;
spin_lock_bh(&(pacl_node_q->lock));
for (i = 0; i < NUM_ACL; i++) {
paclnode = &pacl_list->aclnode[i];
if (!paclnode->valid) {
INIT_LIST_HEAD(&paclnode->list);
ether_addr_copy(paclnode->addr, addr);
paclnode->valid = true;
list_add_tail(&paclnode->list, get_list_head(pacl_node_q));
pacl_list->num++;
break;
}
}
DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
spin_unlock_bh(&(pacl_node_q->lock));
return ret;
}
int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr)
{
struct list_head *plist, *phead;
struct rtw_wlan_acl_node *paclnode;
struct sta_priv *pstapriv = &padapter->stapriv;
struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
struct __queue *pacl_node_q = &pacl_list->acl_node_q;
DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr));
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 (!memcmp(paclnode->addr, addr, ETH_ALEN)) {
if (paclnode->valid) {
paclnode->valid = false;
list_del_init(&paclnode->list);
pacl_list->num--;
}
}
}
spin_unlock_bh(&(pacl_node_q->lock));
DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num);
return 0;
}
static void update_bcn_fixed_ie(struct adapter *padapter)
{
DBG_88E("%s\n", __func__);
}
static void update_bcn_erpinfo_ie(struct adapter *padapter)
{
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
unsigned char *p, *ie = pnetwork->IEs;
u32 len = 0;
DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable);
if (!pmlmeinfo->ERP_enable)
return;
/* parsing ERP_IE */
p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len,
(pnetwork->IELength - _BEACON_IE_OFFSET_));
if (p && len > 0) {
struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_var_ie *)p;
if (pmlmepriv->num_sta_non_erp == 1)
pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION;
else
pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION);
if (pmlmepriv->num_sta_no_short_preamble > 0)
pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE;
else
pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE);
ERP_IE_handler(padapter, pIE);
}
}
static void update_bcn_htcap_ie(struct adapter *padapter)
{
DBG_88E("%s\n", __func__);
}
static void update_bcn_htinfo_ie(struct adapter *padapter)
{
DBG_88E("%s\n", __func__);
}
static void update_bcn_rsn_ie(struct adapter *padapter)
{
DBG_88E("%s\n", __func__);
}
static void update_bcn_wpa_ie(struct adapter *padapter)
{
DBG_88E("%s\n", __func__);
}
static void update_bcn_wmm_ie(struct adapter *padapter)
{
DBG_88E("%s\n", __func__);
}
static void update_bcn_wps_ie(struct adapter *padapter)
{
u8 *pwps_ie = NULL, *pwps_ie_src;
u8 *premainder_ie, *pbackup_remainder_ie = NULL;
uint wps_ielen = 0, wps_offset, remainder_ielen;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network);
unsigned char *ie = pnetwork->IEs;
u32 ielen = pnetwork->IELength;
DBG_88E("%s\n", __func__);
pwps_ie_src = pmlmepriv->wps_beacon_ie;
if (pwps_ie_src == NULL)
return;
pwps_ie = rtw_get_wps_ie(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen);
if (pwps_ie == NULL || wps_ielen == 0)
return;
wps_offset = (uint)(pwps_ie-ie);
premainder_ie = pwps_ie + wps_ielen;
remainder_ielen = ielen - wps_offset - wps_ielen;
if (remainder_ielen > 0) {
pbackup_remainder_ie = rtw_malloc(remainder_ielen);
if (pbackup_remainder_ie)
memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen);
}
wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */
if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) {
memcpy(pwps_ie, pwps_ie_src, wps_ielen+2);
pwps_ie += (wps_ielen+2);
if (pbackup_remainder_ie)
memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen);
/* update IELength */
pnetwork->IELength = wps_offset + (wps_ielen+2) + remainder_ielen;
}
kfree(pbackup_remainder_ie);
}
static void update_bcn_p2p_ie(struct adapter *padapter)
{
}
static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui)
{
DBG_88E("%s\n", __func__);
if (!memcmp(RTW_WPA_OUI, oui, 4))
update_bcn_wpa_ie(padapter);
else if (!memcmp(WMM_OUI, oui, 4))
update_bcn_wmm_ie(padapter);
else if (!memcmp(WPS_OUI, oui, 4))
update_bcn_wps_ie(padapter);
else if (!memcmp(P2P_OUI, oui, 4))
update_bcn_p2p_ie(padapter);
else
DBG_88E("unknown OUI type!\n");
}
void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx)
{
struct mlme_priv *pmlmepriv;
struct mlme_ext_priv *pmlmeext;
if (!padapter)
return;
pmlmepriv = &(padapter->mlmepriv);
pmlmeext = &(padapter->mlmeextpriv);
if (!pmlmeext->bstart_bss)
return;
spin_lock_bh(&pmlmepriv->bcn_update_lock);
switch (ie_id) {
case 0xFF:
update_bcn_fixed_ie(padapter);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */
break;
case _TIM_IE_:
update_BCNTIM(padapter);
break;
case _ERPINFO_IE_:
update_bcn_erpinfo_ie(padapter);
break;
case _HT_CAPABILITY_IE_:
update_bcn_htcap_ie(padapter);
break;
case _RSN_IE_2_:
update_bcn_rsn_ie(padapter);
break;
case _HT_ADD_INFO_IE_:
update_bcn_htinfo_ie(padapter);
break;
case _VENDOR_SPECIFIC_IE_:
update_bcn_vendor_spec_ie(padapter, oui);
break;
default:
break;
}
pmlmepriv->update_bcn = true;
spin_unlock_bh(&pmlmepriv->bcn_update_lock);
if (tx)
set_tx_beacon_cmd(padapter);
}
/*
op_mode
Set to 0 (HT pure) under the following conditions
- all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or
- all STAs in the BSS are 20 MHz HT in 20 MHz BSS
Set to 1 (HT non-member protection) if there may be non-HT STAs
in both the primary and the secondary channel
Set to 2 if only HT STAs are associated in BSS,
however and at least one 20 MHz HT STA is associated
Set to 3 (HT mixed mode) when one or more non-HT STAs are associated
(currently non-GF HT station is considered as non-HT STA also)
*/
static int rtw_ht_operation_update(struct adapter *padapter)
{
u16 cur_op_mode, new_op_mode;
int op_mode_changes = 0;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv;
if (pmlmepriv->htpriv.ht_option)
return 0;
DBG_88E("%s current operation mode = 0x%X\n",
__func__, pmlmepriv->ht_op_mode);
if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
pmlmepriv->num_sta_ht_no_gf) {
pmlmepriv->ht_op_mode |=
HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
op_mode_changes++;
} else if ((pmlmepriv->ht_op_mode &
HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) &&
pmlmepriv->num_sta_ht_no_gf == 0) {
pmlmepriv->ht_op_mode &=
~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT;
op_mode_changes++;
}
if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
(pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) {
pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
op_mode_changes++;
} else if ((pmlmepriv->ht_op_mode &
HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) &&
(pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) {
pmlmepriv->ht_op_mode &=
~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT;
op_mode_changes++;
}
/* Note: currently we switch to the MIXED op mode if HT non-greenfield
* station is associated. Probably it's a theoretical case, since
* it looks like all known HT STAs support greenfield.
*/
new_op_mode = 0;
if (pmlmepriv->num_sta_no_ht ||
(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT))
new_op_mode = OP_MODE_MIXED;
else if ((phtpriv_ap->ht_cap.cap_info & IEEE80211_HT_CAP_SUP_WIDTH) &&
pmlmepriv->num_sta_ht_20mhz)
new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED;
else if (pmlmepriv->olbc_ht)
new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS;
else
new_op_mode = OP_MODE_PURE;
cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK;
if (cur_op_mode != new_op_mode) {
pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK;
pmlmepriv->ht_op_mode |= new_op_mode;
op_mode_changes++;
}
DBG_88E("%s new operation mode = 0x%X changes =%d\n",
__func__, pmlmepriv->ht_op_mode, op_mode_changes);
return op_mode_changes;
}
void associated_clients_update(struct adapter *padapter, u8 updated)
{
/* update associated stations cap. */
if (updated) {
struct list_head *phead, *plist;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
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;
VCS_update(padapter, psta);
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
}
}
/* called > TSR LEVEL for USB or SDIO Interface*/
void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta)
{
u8 beacon_updated = false;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) {
if (!psta->no_short_preamble_set) {
psta->no_short_preamble_set = 1;
pmlmepriv->num_sta_no_short_preamble++;
if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
(pmlmepriv->num_sta_no_short_preamble == 1)) {
beacon_updated = true;
update_beacon(padapter, 0xFF, NULL, true);
}
}
} else {
if (psta->no_short_preamble_set) {
psta->no_short_preamble_set = 0;
pmlmepriv->num_sta_no_short_preamble--;
if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
(pmlmepriv->num_sta_no_short_preamble == 0)) {
beacon_updated = true;
update_beacon(padapter, 0xFF, NULL, true);
}
}
}
if (psta->flags & WLAN_STA_NONERP) {
if (!psta->nonerp_set) {
psta->nonerp_set = 1;
pmlmepriv->num_sta_non_erp++;
if (pmlmepriv->num_sta_non_erp == 1) {
beacon_updated = true;
update_beacon(padapter, _ERPINFO_IE_, NULL, true);
}
}
} else {
if (psta->nonerp_set) {
psta->nonerp_set = 0;
pmlmepriv->num_sta_non_erp--;
if (pmlmepriv->num_sta_non_erp == 0) {
beacon_updated = true;
update_beacon(padapter, _ERPINFO_IE_, NULL, true);
}
}
}
if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT)) {
if (!psta->no_short_slot_time_set) {
psta->no_short_slot_time_set = 1;
pmlmepriv->num_sta_no_short_slot_time++;
if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
(pmlmepriv->num_sta_no_short_slot_time == 1)) {
beacon_updated = true;
update_beacon(padapter, 0xFF, NULL, true);
}
}
} else {
if (psta->no_short_slot_time_set) {
psta->no_short_slot_time_set = 0;
pmlmepriv->num_sta_no_short_slot_time--;
if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) &&
(pmlmepriv->num_sta_no_short_slot_time == 0)) {
beacon_updated = true;
update_beacon(padapter, 0xFF, NULL, true);
}
}
}
if (psta->flags & WLAN_STA_HT) {
u16 ht_capab = psta->htpriv.ht_cap.cap_info;
DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n",
(psta->hwaddr), ht_capab);
if (psta->no_ht_set) {
psta->no_ht_set = 0;
pmlmepriv->num_sta_no_ht--;
}
if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) {
if (!psta->no_ht_gf_set) {
psta->no_ht_gf_set = 1;
pmlmepriv->num_sta_ht_no_gf++;
}
DBG_88E("%s STA %pM - no greenfield, num of non-gf stations %d\n",
__func__, (psta->hwaddr),
pmlmepriv->num_sta_ht_no_gf);
}
if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) {
if (!psta->ht_20mhz_set) {
psta->ht_20mhz_set = 1;
pmlmepriv->num_sta_ht_20mhz++;
}
DBG_88E("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n",
__func__, (psta->hwaddr),
pmlmepriv->num_sta_ht_20mhz);
}
} else {
if (!psta->no_ht_set) {
psta->no_ht_set = 1;
pmlmepriv->num_sta_no_ht++;
}
if (pmlmepriv->htpriv.ht_option) {
DBG_88E("%s STA %pM - no HT, num of non-HT stations %d\n",
__func__, (psta->hwaddr),
pmlmepriv->num_sta_no_ht);
}
}
if (rtw_ht_operation_update(padapter) > 0) {
update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
}
/* update associated stations cap. */
associated_clients_update(padapter, beacon_updated);
DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
}
u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta)
{
u8 beacon_updated = false;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
if (!psta)
return beacon_updated;
if (psta->no_short_preamble_set) {
psta->no_short_preamble_set = 0;
pmlmepriv->num_sta_no_short_preamble--;
if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
pmlmepriv->num_sta_no_short_preamble == 0) {
beacon_updated = true;
update_beacon(padapter, 0xFF, NULL, true);
}
}
if (psta->nonerp_set) {
psta->nonerp_set = 0;
pmlmepriv->num_sta_non_erp--;
if (pmlmepriv->num_sta_non_erp == 0) {
beacon_updated = true;
update_beacon(padapter, _ERPINFO_IE_, NULL, true);
}
}
if (psta->no_short_slot_time_set) {
psta->no_short_slot_time_set = 0;
pmlmepriv->num_sta_no_short_slot_time--;
if (pmlmeext->cur_wireless_mode > WIRELESS_11B &&
pmlmepriv->num_sta_no_short_slot_time == 0) {
beacon_updated = true;
update_beacon(padapter, 0xFF, NULL, true);
}
}
if (psta->no_ht_gf_set) {
psta->no_ht_gf_set = 0;
pmlmepriv->num_sta_ht_no_gf--;
}
if (psta->no_ht_set) {
psta->no_ht_set = 0;
pmlmepriv->num_sta_no_ht--;
}
if (psta->ht_20mhz_set) {
psta->ht_20mhz_set = 0;
pmlmepriv->num_sta_ht_20mhz--;
}
if (rtw_ht_operation_update(padapter) > 0) {
update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false);
update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true);
}
/* update associated stations cap. */
DBG_88E("%s, updated =%d\n", __func__, beacon_updated);
return beacon_updated;
}
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;
}
int rtw_ap_inform_ch_switch(struct adapter *padapter, u8 new_ch, u8 ch_offset)
{
struct list_head *phead, *plist;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
return 0;
DBG_88E(FUNC_NDEV_FMT" with ch:%u, offset:%u\n",
FUNC_NDEV_ARG(padapter->pnetdev), new_ch, ch_offset);
spin_lock_bh(&pstapriv->asoc_list_lock);
phead = &pstapriv->asoc_list;
plist = phead->next;
/* for each sta in asoc_queue */
while (phead != plist) {
psta = container_of(plist, struct sta_info, asoc_list);
plist = plist->next;
issue_action_spct_ch_switch(padapter, psta->hwaddr, new_ch, ch_offset);
psta->expire_to = ((pstapriv->expire_to * 2) > 5) ? 5 : (pstapriv->expire_to * 2);
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
issue_action_spct_ch_switch(padapter, bc_addr, new_ch, ch_offset);
return 0;
}
int rtw_sta_flush(struct adapter *padapter)
{
struct list_head *phead, *plist;
struct sta_info *psta = NULL;
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev));
if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE)
return 0;
spin_lock_bh(&pstapriv->asoc_list_lock);
phead = &pstapriv->asoc_list;
plist = phead->next;
/* free sta asoc_queue */
while (phead != plist) {
psta = container_of(plist, struct sta_info, asoc_list);
plist = plist->next;
list_del_init(&psta->asoc_list);
pstapriv->asoc_list_cnt--;
ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING);
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING);
associated_clients_update(padapter, true);
return 0;
}
/* called > TSR LEVEL for USB or SDIO Interface*/
void sta_info_update(struct adapter *padapter, struct sta_info *psta)
{
int flags = psta->flags;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
/* update wmm cap. */
if (WLAN_STA_WME&flags)
psta->qos_option = 1;
else
psta->qos_option = 0;
if (pmlmepriv->qospriv.qos_option == 0)
psta->qos_option = 0;
/* update 802.11n ht cap. */
if (WLAN_STA_HT&flags) {
psta->htpriv.ht_option = true;
psta->qos_option = 1;
} else {
psta->htpriv.ht_option = false;
}
if (!pmlmepriv->htpriv.ht_option)
psta->htpriv.ht_option = false;
update_sta_info_apmode(padapter, psta);
}
/* called >= TSR LEVEL for USB or SDIO Interface*/
void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta)
{
if (psta->state & _FW_LINKED) {
/* add ratid */
add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */
}
}
void start_ap_mode(struct adapter *padapter)
{
int i;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct sta_priv *pstapriv = &padapter->stapriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct wlan_acl_pool *pacl_list = &pstapriv->acl_list;
pmlmepriv->update_bcn = false;
pmlmeext->bstart_bss = false;
pmlmepriv->num_sta_non_erp = 0;
pmlmepriv->num_sta_no_short_slot_time = 0;
pmlmepriv->num_sta_no_short_preamble = 0;
pmlmepriv->num_sta_ht_no_gf = 0;
pmlmepriv->num_sta_no_ht = 0;
pmlmepriv->num_sta_ht_20mhz = 0;
pmlmepriv->olbc = false;
pmlmepriv->olbc_ht = false;
pmlmepriv->ht_op_mode = 0;
for (i = 0; i < NUM_STA; i++)
pstapriv->sta_aid[i] = NULL;
pmlmepriv->wps_beacon_ie = NULL;
pmlmepriv->wps_probe_resp_ie = NULL;
pmlmepriv->wps_assoc_resp_ie = NULL;
pmlmepriv->p2p_beacon_ie = NULL;
pmlmepriv->p2p_probe_resp_ie = NULL;
/* for ACL */
INIT_LIST_HEAD(&(pacl_list->acl_node_q.queue));
pacl_list->num = 0;
pacl_list->mode = 0;
for (i = 0; i < NUM_ACL; i++) {
INIT_LIST_HEAD(&pacl_list->aclnode[i].list);
pacl_list->aclnode[i].valid = false;
}
}
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);
}
#endif /* CONFIG_88EU_AP_MODE */
