// SPDX-License-Identifier: GPL-2.0
/******************************************************************************
*
* Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
*
******************************************************************************/
#include <drv_types.h>
#include <hal_com_h2c.h>
static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5};
static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02};
static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02};
/* define WAIT_FOR_BCN_TO_MIN (3000) */
#define WAIT_FOR_BCN_TO_MIN (6000)
#define WAIT_FOR_BCN_TO_MAX (20000)
#define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000
#define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3
static u8 rtw_basic_rate_cck[4] = {
IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
};
static u8 rtw_basic_rate_ofdm[3] = {
IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK,
IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
};
u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
{
u8 raid;
switch (psta->wireless_mode) {
case WIRELESS_11B:
raid = RATEID_IDX_B;
break;
case WIRELESS_11G:
raid = RATEID_IDX_G;
break;
case WIRELESS_11BG:
raid = RATEID_IDX_BG;
break;
case WIRELESS_11_24N:
case WIRELESS_11G_24N:
raid = RATEID_IDX_GN_N1SS;
break;
case WIRELESS_11B_24N:
case WIRELESS_11BG_24N:
if (psta->bw_mode == CHANNEL_WIDTH_20) {
raid = RATEID_IDX_BGN_20M_1SS_BN;
} else {
raid = RATEID_IDX_BGN_40M_1SS;
}
break;
default:
raid = RATEID_IDX_BGN_40M_2SS;
break;
}
return raid;
}
unsigned char ratetbl_val_2wifirate(unsigned char rate);
unsigned char ratetbl_val_2wifirate(unsigned char rate)
{
switch (rate & 0x7f) {
case 0:
return IEEE80211_CCK_RATE_1MB;
case 1:
return IEEE80211_CCK_RATE_2MB;
case 2:
return IEEE80211_CCK_RATE_5MB;
case 3:
return IEEE80211_CCK_RATE_11MB;
case 4:
return IEEE80211_OFDM_RATE_6MB;
case 5:
return IEEE80211_OFDM_RATE_9MB;
case 6:
return IEEE80211_OFDM_RATE_12MB;
case 7:
return IEEE80211_OFDM_RATE_18MB;
case 8:
return IEEE80211_OFDM_RATE_24MB;
case 9:
return IEEE80211_OFDM_RATE_36MB;
case 10:
return IEEE80211_OFDM_RATE_48MB;
case 11:
return IEEE80211_OFDM_RATE_54MB;
default:
return 0;
}
}
int is_basicrate(struct adapter *padapter, unsigned char rate);
int is_basicrate(struct adapter *padapter, unsigned char rate)
{
int i;
unsigned char val;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
for (i = 0; i < NumRates; i++) {
val = pmlmeext->basicrate[i];
if ((val != 0xff) && (val != 0xfe))
if (rate == ratetbl_val_2wifirate(val))
return true;
}
return false;
}
unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset);
unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
{
int i;
unsigned char rate;
unsigned int len = 0;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
for (i = 0; i < NumRates; i++) {
rate = pmlmeext->datarate[i];
switch (rate) {
case 0xff:
return len;
case 0xfe:
continue;
default:
rate = ratetbl_val_2wifirate(rate);
if (is_basicrate(padapter, rate) == true)
rate |= IEEE80211_BASIC_RATE_MASK;
rateset[len] = rate;
len++;
break;
}
}
return len;
}
void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
{
unsigned char supportedrates[NumRates];
memset(supportedrates, 0, NumRates);
*bssrate_len = ratetbl2rateset(padapter, supportedrates);
memcpy(pbssrate, supportedrates, *bssrate_len);
}
void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask)
{
u8 mcs_rate_1r = (u8)(mask&0xff);
u8 mcs_rate_2r = (u8)((mask>>8)&0xff);
u8 mcs_rate_3r = (u8)((mask>>16)&0xff);
u8 mcs_rate_4r = (u8)((mask>>24)&0xff);
mcs_set[0] &= mcs_rate_1r;
mcs_set[1] &= mcs_rate_2r;
mcs_set[2] &= mcs_rate_3r;
mcs_set[3] &= mcs_rate_4r;
}
void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS)
{
u8 i;
u8 rate;
/* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
rate = mBratesOS[i] & 0x7f;
switch (rate) {
case IEEE80211_CCK_RATE_1MB:
case IEEE80211_CCK_RATE_2MB:
case IEEE80211_CCK_RATE_5MB:
case IEEE80211_CCK_RATE_11MB:
case IEEE80211_OFDM_RATE_6MB:
case IEEE80211_OFDM_RATE_12MB:
case IEEE80211_OFDM_RATE_24MB:
mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK;
break;
}
}
}
void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
{
u8 i;
u8 rate;
for (i = 0; i < bssratelen; i++) {
rate = bssrateset[i] & 0x7f;
switch (rate) {
case IEEE80211_CCK_RATE_1MB:
case IEEE80211_CCK_RATE_2MB:
case IEEE80211_CCK_RATE_5MB:
case IEEE80211_CCK_RATE_11MB:
bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
break;
}
}
}
void Save_DM_Func_Flag(struct adapter *padapter)
{
u8 bSaveFlag = true;
rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
}
void Restore_DM_Func_Flag(struct adapter *padapter)
{
u8 bSaveFlag = false;
rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
}
void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
{
if (enable == true)
rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
else
rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
}
void Set_MSR(struct adapter *padapter, u8 type)
{
rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
}
inline u8 rtw_get_oper_ch(struct adapter *adapter)
{
return adapter_to_dvobj(adapter)->oper_channel;
}
inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
{
#ifdef DBG_CH_SWITCH
const int len = 128;
char msg[128] = {0};
int cnt = 0;
int i = 0;
#endif /* DBG_CH_SWITCH */
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
if (dvobj->oper_channel != ch) {
dvobj->on_oper_ch_time = jiffies;
#ifdef DBG_CH_SWITCH
cnt += scnprintf(msg+cnt, len-cnt, "switch to ch %3u", ch);
for (i = 0; i < dvobj->iface_nums; i++) {
struct adapter *iface = dvobj->padapters[i];
cnt += scnprintf(msg+cnt, len-cnt, " [%s:", ADPT_ARG(iface));
if (iface->mlmeextpriv.cur_channel == ch)
cnt += scnprintf(msg+cnt, len-cnt, "C");
else
cnt += scnprintf(msg+cnt, len-cnt, "_");
if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
cnt += scnprintf(msg+cnt, len-cnt, "L");
else
cnt += scnprintf(msg+cnt, len-cnt, "_");
cnt += scnprintf(msg+cnt, len-cnt, "]");
}
#endif /* DBG_CH_SWITCH */
}
dvobj->oper_channel = ch;
}
inline u8 rtw_get_oper_bw(struct adapter *adapter)
{
return adapter_to_dvobj(adapter)->oper_bwmode;
}
inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
{
adapter_to_dvobj(adapter)->oper_bwmode = bw;
}
inline u8 rtw_get_oper_choffset(struct adapter *adapter)
{
return adapter_to_dvobj(adapter)->oper_ch_offset;
}
inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
{
adapter_to_dvobj(adapter)->oper_ch_offset = offset;
}
u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset)
{
u8 center_ch = channel;
if (chnl_bw == CHANNEL_WIDTH_40) {
if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
center_ch = channel + 2;
else
center_ch = channel - 2;
}
return center_ch;
}
inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter)
{
if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel)
return adapter_to_dvobj(adapter)->on_oper_ch_time;
else
return 0;
}
void r8723bs_select_channel(struct adapter *padapter, unsigned char channel)
{
if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
return;
/* saved channel info */
rtw_set_oper_ch(padapter, channel);
rtw_hal_set_chan(padapter, channel);
mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
}
void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
{
u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
/* set Channel */
if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
return;
/* saved channel/bw info */
rtw_set_oper_ch(padapter, channel);
rtw_set_oper_bw(padapter, bwmode);
rtw_set_oper_choffset(padapter, channel_offset);
rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /* set center channel */
mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
}
inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
{
return pnetwork->mac_address;
}
u16 get_beacon_interval(struct wlan_bssid_ex *bss)
{
__le16 val;
memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->ies), 2);
return le16_to_cpu(val);
}
int is_client_associated_to_ap(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext;
struct mlme_ext_info *pmlmeinfo;
if (!padapter)
return _FAIL;
pmlmeext = &padapter->mlmeextpriv;
pmlmeinfo = &(pmlmeext->mlmext_info);
if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
return true;
else
return _FAIL;
}
int is_client_associated_to_ibss(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
return true;
else
return _FAIL;
}
int is_IBSS_empty(struct adapter *padapter)
{
unsigned int i;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
if (pmlmeinfo->FW_sta_info[i].status == 1)
return _FAIL;
}
return true;
}
unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
{
if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
return WAIT_FOR_BCN_TO_MIN;
else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
return WAIT_FOR_BCN_TO_MAX;
else
return bcn_interval << 2;
}
void invalidate_cam_all(struct adapter *padapter)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
spin_lock_bh(&cam_ctl->lock);
cam_ctl->bitmap = 0;
memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY);
spin_unlock_bh(&cam_ctl->lock);
}
static u32 _ReadCAM(struct adapter *padapter, u32 addr)
{
u32 count = 0, cmd;
cmd = CAM_POLLINIG | addr;
rtw_write32(padapter, RWCAM, cmd);
do {
if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG))
break;
} while (count++ < 100);
return rtw_read32(padapter, REG_CAMREAD);
}
void read_cam(struct adapter *padapter, u8 entry, u8 *get_key)
{
u32 j, addr, cmd;
addr = entry << 3;
for (j = 0; j < 6; j++) {
cmd = _ReadCAM(padapter, addr+j);
if (j > 1) /* get key from cam */
memcpy(get_key+(j-2)*4, &cmd, 4);
}
}
void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
{
unsigned int i, val, addr;
int j;
u32 cam_val[2];
addr = entry << 3;
for (j = 5; j >= 0; j--) {
switch (j) {
case 0:
val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
break;
case 1:
val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
break;
default:
i = (j - 2) << 2;
val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
break;
}
cam_val[0] = val;
cam_val[1] = addr + (unsigned int)j;
rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
}
}
void _clear_cam_entry(struct adapter *padapter, u8 entry)
{
unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
_write_cam(padapter, entry, 0, null_sta, null_key);
}
inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
{
_write_cam(adapter, id, ctrl, mac, key);
write_cam_cache(adapter, id, ctrl, mac, key);
}
inline void clear_cam_entry(struct adapter *adapter, u8 id)
{
_clear_cam_entry(adapter, id);
clear_cam_cache(adapter, id);
}
void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
spin_lock_bh(&cam_ctl->lock);
dvobj->cam_cache[id].ctrl = ctrl;
memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN);
memcpy(dvobj->cam_cache[id].key, key, 16);
spin_unlock_bh(&cam_ctl->lock);
}
void clear_cam_cache(struct adapter *adapter, u8 id)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
spin_lock_bh(&cam_ctl->lock);
memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache));
spin_unlock_bh(&cam_ctl->lock);
}
static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
bool ret = false;
if (cam_id >= TOTAL_CAM_ENTRY)
goto exit;
if (!(cam_ctl->bitmap & BIT(cam_id)))
goto exit;
ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false;
exit:
return ret;
}
static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
int i;
s16 cam_id = -1;
for (i = 0; i < TOTAL_CAM_ENTRY; i++) {
if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN))
continue;
if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03))
continue;
cam_id = i;
break;
}
return cam_id;
}
s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
s16 cam_id = -1;
spin_lock_bh(&cam_ctl->lock);
cam_id = _rtw_camid_search(adapter, addr, kid);
spin_unlock_bh(&cam_ctl->lock);
return cam_id;
}
s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
s16 cam_id = -1;
struct mlme_ext_info *mlmeinfo;
spin_lock_bh(&cam_ctl->lock);
mlmeinfo = &adapter->mlmeextpriv.mlmext_info;
if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
&& !sta) {
/* AP/Ad-hoc mode group key: static alloction to default key by key ID */
if (kid > 3) {
netdev_dbg(adapter->pnetdev,
FUNC_ADPT_FMT " group key with invalid key id:%u\n",
FUNC_ADPT_ARG(adapter), kid);
rtw_warn_on(1);
goto bitmap_handle;
}
cam_id = kid;
} else {
int i;
u8 *addr = sta?sta->hwaddr:NULL;
if (!sta) {
if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
/* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */
goto bitmap_handle;
}
addr = get_bssid(&adapter->mlmepriv);
}
i = _rtw_camid_search(adapter, addr, kid);
if (i >= 0) {
/* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */
if (sta || _rtw_camid_is_gk(adapter, i))
cam_id = i;
else
netdev_dbg(adapter->pnetdev,
FUNC_ADPT_FMT " group key id:%u the same key id as pairwise key\n",
FUNC_ADPT_ARG(adapter), kid);
goto bitmap_handle;
}
for (i = 4; i < TOTAL_CAM_ENTRY; i++)
if (!(cam_ctl->bitmap & BIT(i)))
break;
if (i == TOTAL_CAM_ENTRY) {
if (sta)
netdev_dbg(adapter->pnetdev,
FUNC_ADPT_FMT " pairwise key with %pM id:%u no room\n",
FUNC_ADPT_ARG(adapter),
MAC_ARG(sta->hwaddr), kid);
else
netdev_dbg(adapter->pnetdev,
FUNC_ADPT_FMT " group key id:%u no room\n",
FUNC_ADPT_ARG(adapter), kid);
rtw_warn_on(1);
goto bitmap_handle;
}
cam_id = i;
}
bitmap_handle:
if (cam_id >= 0 && cam_id < 32)
cam_ctl->bitmap |= BIT(cam_id);
spin_unlock_bh(&cam_ctl->lock);
return cam_id;
}
void rtw_camid_free(struct adapter *adapter, u8 cam_id)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
spin_lock_bh(&cam_ctl->lock);
if (cam_id < TOTAL_CAM_ENTRY)
cam_ctl->bitmap &= ~(BIT(cam_id));
spin_unlock_bh(&cam_ctl->lock);
}
int allocate_fw_sta_entry(struct adapter *padapter)
{
unsigned int mac_id;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
pmlmeinfo->FW_sta_info[mac_id].status = 1;
pmlmeinfo->FW_sta_info[mac_id].retry = 0;
break;
}
}
return mac_id;
}
void flush_all_cam_entry(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
invalidate_cam_all(padapter);
/* clear default key related key search setting */
rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false);
memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
}
int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
{
/* struct registry_priv *pregpriv = &padapter->registrypriv; */
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pmlmepriv->qospriv.qos_option == 0) {
pmlmeinfo->WMM_enable = 0;
return false;
}
if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)))
return false;
else
memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
pmlmeinfo->WMM_enable = 1;
return true;
}
static void sort_wmm_ac_params(u32 *inx, u32 *edca)
{
u32 i, j, change_inx = false;
/* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
for (i = 0; i < 4; i++) {
for (j = i + 1; j < 4; j++) {
/* compare CW and AIFS */
if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
change_inx = true;
} else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
/* compare TXOP */
if ((edca[j] >> 16) > (edca[i] >> 16))
change_inx = true;
}
if (change_inx) {
swap(edca[i], edca[j]);
swap(inx[i], inx[j]);
change_inx = false;
}
}
}
}
void WMMOnAssocRsp(struct adapter *padapter)
{
u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
u8 acm_mask;
u16 TXOP;
u32 acParm, i;
u32 edca[4], inx[4];
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
struct registry_priv *pregpriv = &padapter->registrypriv;
acm_mask = 0;
if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N)
aSifsTime = 16;
else
aSifsTime = 10;
if (pmlmeinfo->WMM_enable == 0) {
padapter->mlmepriv.acm_mask = 0;
AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
if (pmlmeext->cur_wireless_mode & WIRELESS_11G) {
ECWMin = 4;
ECWMax = 10;
} else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
ECWMin = 5;
ECWMax = 10;
} else {
ECWMin = 4;
ECWMax = 10;
}
TXOP = 0;
acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
ECWMin = 2;
ECWMax = 3;
TXOP = 0x2f;
acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
} else {
edca[0] = edca[1] = edca[2] = edca[3] = 0;
for (i = 0; i < 4; i++) {
ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
/* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
switch (ACI) {
case 0x0:
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
acm_mask |= (ACM ? BIT(1):0);
edca[XMIT_BE_QUEUE] = acParm;
break;
case 0x1:
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
/* acm_mask |= (ACM? BIT(0):0); */
edca[XMIT_BK_QUEUE] = acParm;
break;
case 0x2:
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
acm_mask |= (ACM ? BIT(2):0);
edca[XMIT_VI_QUEUE] = acParm;
break;
case 0x3:
rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
acm_mask |= (ACM ? BIT(3):0);
edca[XMIT_VO_QUEUE] = acParm;
break;
}
}
if (padapter->registrypriv.acm_method == 1)
rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
else
padapter->mlmepriv.acm_mask = acm_mask;
inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
if (pregpriv->wifi_spec == 1)
sort_wmm_ac_params(inx, edca);
for (i = 0; i < 4; i++)
pxmitpriv->wmm_para_seq[i] = inx[i];
}
}
static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
{
unsigned char new_bwmode;
unsigned char new_ch_offset;
struct HT_info_element *pHT_info;
struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct registry_priv *pregistrypriv = &padapter->registrypriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
u8 cbw40_enable = 0;
if (!pIE)
return;
if (phtpriv->ht_option == false)
return;
if (pIE->length > sizeof(struct HT_info_element))
return;
pHT_info = (struct HT_info_element *)pIE->data;
if (pmlmeext->cur_channel > 14) {
if ((pregistrypriv->bw_mode & 0xf0) > 0)
cbw40_enable = 1;
} else {
if ((pregistrypriv->bw_mode & 0x0f) > 0)
cbw40_enable = 1;
}
if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) {
new_bwmode = CHANNEL_WIDTH_40;
switch (pHT_info->infos[0] & 0x3) {
case 1:
new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
break;
case 3:
new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
break;
default:
new_bwmode = CHANNEL_WIDTH_20;
new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
break;
}
} else {
new_bwmode = CHANNEL_WIDTH_20;
new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
}
if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) {
pmlmeinfo->bwmode_updated = true;
pmlmeext->cur_bwmode = new_bwmode;
pmlmeext->cur_ch_offset = new_ch_offset;
/* update HT info also */
HT_info_handler(padapter, pIE);
} else {
pmlmeinfo->bwmode_updated = false;
}
if (true == pmlmeinfo->bwmode_updated) {
struct sta_info *psta;
struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
struct sta_priv *pstapriv = &padapter->stapriv;
/* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
/* update ap's stainfo */
psta = rtw_get_stainfo(pstapriv, cur_network->mac_address);
if (psta) {
struct ht_priv *phtpriv_sta = &psta->htpriv;
if (phtpriv_sta->ht_option) {
/* bwmode */
psta->bw_mode = pmlmeext->cur_bwmode;
phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
} else {
psta->bw_mode = CHANNEL_WIDTH_20;
phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
}
rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
}
}
}
void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
{
unsigned int i;
u8 max_AMPDU_len, min_MPDU_spacing;
u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
if (!pIE)
return;
if (phtpriv->ht_option == false)
return;
pmlmeinfo->HT_caps_enable = 1;
for (i = 0; i < (pIE->length); i++) {
if (i != 2) {
/* Commented by Albert 2010/07/12 */
/* Got the endian issue here. */
pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
} else {
/* modify from fw by Thomas 2010/11/17 */
max_AMPDU_len = min(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3,
pIE->data[i] & 0x3);
min_MPDU_spacing = max(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c,
pIE->data[i] & 0x1c);
pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
}
}
/* update the MCS set */
for (i = 0; i < 16; i++)
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
/* update the MCS rates */
set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
/* Config STBC setting */
if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data))
SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX);
phtpriv->stbc_cap = cur_stbc_cap;
} else {
/* Config LDPC Coding Capability */
if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) &&
GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data))
SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
phtpriv->ldpc_cap = cur_ldpc_cap;
/* Config STBC setting */
if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data))
SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
phtpriv->stbc_cap = cur_stbc_cap;
}
}
void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct ht_priv *phtpriv = &pmlmepriv->htpriv;
if (!pIE)
return;
if (phtpriv->ht_option == false)
return;
if (pIE->length > sizeof(struct HT_info_element))
return;
pmlmeinfo->HT_info_enable = 1;
memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->length);
}
void HTOnAssocRsp(struct adapter *padapter)
{
unsigned char max_AMPDU_len;
unsigned char min_MPDU_spacing;
/* struct registry_priv *pregpriv = &padapter->registrypriv; */
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
pmlmeinfo->HT_enable = 1;
} else {
pmlmeinfo->HT_enable = 0;
/* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
return;
}
/* 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));
}
void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pIE->length > 1)
return;
pmlmeinfo->ERP_enable = 1;
memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->length);
}
void VCS_update(struct adapter *padapter, struct sta_info *psta)
{
struct registry_priv *pregpriv = &padapter->registrypriv;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */
case 0: /* off */
psta->rtsen = 0;
psta->cts2self = 0;
break;
case 1: /* on */
if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
psta->rtsen = 1;
psta->cts2self = 0;
} else {
psta->rtsen = 0;
psta->cts2self = 1;
}
break;
case 2: /* auto */
default:
if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
if (pregpriv->vcs_type == 1) {
psta->rtsen = 1;
psta->cts2self = 0;
} else {
psta->rtsen = 0;
psta->cts2self = 1;
}
} else {
psta->rtsen = 0;
psta->cts2self = 0;
}
break;
}
}
void update_ldpc_stbc_cap(struct sta_info *psta)
{
if (psta->htpriv.ht_option) {
if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX))
psta->ldpc = 1;
if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
psta->stbc = 1;
} else {
psta->ldpc = 0;
psta->stbc = 0;
}
}
int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
{
unsigned int len;
unsigned char *p;
unsigned short val16, subtype;
struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
/* u8 wpa_ie[255], rsn_ie[255]; */
u16 wpa_len = 0, rsn_len = 0;
u8 encryp_protocol = 0;
struct wlan_bssid_ex *bssid;
int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
unsigned char *pbuf;
u32 wpa_ielen = 0;
u8 *pbssid = GetAddr3Ptr(pframe);
struct HT_info_element *pht_info = NULL;
struct ieee80211_ht_cap *pht_cap = NULL;
u32 bcn_channel;
unsigned short ht_cap_info;
unsigned char ht_info_infos_0;
struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
int ssid_len;
if (is_client_associated_to_ap(Adapter) == false)
return true;
len = packet_len - sizeof(struct ieee80211_hdr_3addr);
if (len > MAX_IE_SZ)
return _FAIL;
if (memcmp(cur_network->network.mac_address, pbssid, 6))
return true;
bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex));
if (!bssid)
return true;
if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) {
pmlmepriv->timeBcnInfoChkStart = 0;
pmlmepriv->NumOfBcnInfoChkFail = 0;
}
subtype = GetFrameSubType(pframe) >> 4;
if (subtype == WIFI_BEACON)
bssid->reserved[0] = 1;
bssid->length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
/* below is to copy the information element */
bssid->ie_length = len;
memcpy(bssid->ies, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->ie_length);
/* check bw and channel offset */
/* parsing HT_CAP_IE */
p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
if (p && len > 0) {
pht_cap = (struct ieee80211_ht_cap *)(p + 2);
ht_cap_info = le16_to_cpu(pht_cap->cap_info);
} else {
ht_cap_info = 0;
}
/* parsing HT_INFO_IE */
p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
if (p && len > 0) {
pht_info = (struct HT_info_element *)(p + 2);
ht_info_infos_0 = pht_info->infos[0];
} else {
ht_info_infos_0 = 0;
}
if (ht_cap_info != cur_network->bcn_info.ht_cap_info ||
((ht_info_infos_0&0x03) != (cur_network->bcn_info.ht_info_infos_0&0x03))) {
{
/* bcn_info_update */
cur_network->bcn_info.ht_cap_info = ht_cap_info;
cur_network->bcn_info.ht_info_infos_0 = ht_info_infos_0;
/* to do : need to check that whether modify related register of BB or not */
}
/* goto _mismatch; */
}
/* Checking for channel */
p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
if (p) {
bcn_channel = *(p + 2);
} else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION,
&len, bssid->ie_length - _FIXED_IE_LENGTH_);
if (pht_info)
bcn_channel = pht_info->primary_channel;
else /* we don't find channel IE, so don't check it */
bcn_channel = Adapter->mlmeextpriv.cur_channel;
}
if (bcn_channel != Adapter->mlmeextpriv.cur_channel)
goto _mismatch;
/* checking SSID */
ssid_len = 0;
p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
if (p) {
ssid_len = *(p + 1);
if (ssid_len > NDIS_802_11_LENGTH_SSID)
ssid_len = 0;
}
memcpy(bssid->ssid.ssid, (p + 2), ssid_len);
bssid->ssid.ssid_length = ssid_len;
if (memcmp(bssid->ssid.ssid, cur_network->network.ssid.ssid, 32) ||
bssid->ssid.ssid_length != cur_network->network.ssid.ssid_length)
if (bssid->ssid.ssid[0] != '\0' &&
bssid->ssid.ssid_length != 0) /* not hidden ssid */
goto _mismatch;
/* check encryption info */
val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
if (val16 & BIT(4))
bssid->privacy = 1;
else
bssid->privacy = 0;
if (cur_network->network.privacy != bssid->privacy)
goto _mismatch;
rtw_get_sec_ie(bssid->ies, bssid->ie_length, NULL, &rsn_len, NULL, &wpa_len);
if (rsn_len > 0)
encryp_protocol = ENCRYP_PROTOCOL_WPA2;
else if (wpa_len > 0)
encryp_protocol = ENCRYP_PROTOCOL_WPA;
else
if (bssid->privacy)
encryp_protocol = ENCRYP_PROTOCOL_WEP;
if (cur_network->bcn_info.encryp_protocol != encryp_protocol)
goto _mismatch;
if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
pbuf = rtw_get_wpa_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length-12);
if (pbuf && (wpa_ielen > 0)) {
rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher,
&pairwise_cipher, &is_8021x);
} else {
pbuf = rtw_get_wpa2_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length-12);
if (pbuf && (wpa_ielen > 0))
rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher,
&pairwise_cipher, &is_8021x);
}
if (pairwise_cipher != cur_network->bcn_info.pairwise_cipher ||
group_cipher != cur_network->bcn_info.group_cipher)
goto _mismatch;
if (is_8021x != cur_network->bcn_info.is_8021x)
goto _mismatch;
}
kfree(bssid);
return _SUCCESS;
_mismatch:
kfree(bssid);
if (pmlmepriv->NumOfBcnInfoChkFail == 0)
pmlmepriv->timeBcnInfoChkStart = jiffies;
pmlmepriv->NumOfBcnInfoChkFail++;
if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)
&& (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) {
pmlmepriv->timeBcnInfoChkStart = 0;
pmlmepriv->NumOfBcnInfoChkFail = 0;
return _FAIL;
}
return _SUCCESS;
}
void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
{
unsigned int i;
unsigned int len;
struct ndis_80211_var_ie *pIE;
len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
for (i = 0; i < len;) {
pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
switch (pIE->element_id) {
case WLAN_EID_VENDOR_SPECIFIC:
/* to update WMM parameter set while receiving beacon */
if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->length == WLAN_WMM_LEN) /* WMM */
if (WMM_param_handler(padapter, pIE))
report_wmm_edca_update(padapter);
break;
case WLAN_EID_HT_OPERATION: /* HT info */
/* HT_info_handler(padapter, pIE); */
bwmode_update_check(padapter, pIE);
break;
case WLAN_EID_ERP_INFO:
ERP_IE_handler(padapter, pIE);
VCS_update(padapter, psta);
break;
default:
break;
}
i += (pIE->length + 2);
}
}
unsigned int is_ap_in_tkip(struct adapter *padapter)
{
u32 i;
struct ndis_80211_var_ie *pIE;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.ie_length;) {
pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.ies + i);
switch (pIE->element_id) {
case WLAN_EID_VENDOR_SPECIFIC:
if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
return true;
break;
case WLAN_EID_RSN:
if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
return true;
break;
default:
break;
}
i += (pIE->length + 2);
}
return false;
} else {
return false;
}
}
int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode)
{
unsigned char bit_offset;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (!(pmlmeinfo->HT_enable))
return _FAIL;
bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5;
if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
return _SUCCESS;
else
return _FAIL;
}
unsigned char get_highest_rate_idx(u32 mask)
{
int i;
unsigned char rate_idx = 0;
for (i = 31; i >= 0; i--) {
if (mask & BIT(i)) {
rate_idx = i;
break;
}
}
return rate_idx;
}
void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
{
rtw_hal_update_ra_mask(psta, 0);
}
void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
{
/* rate adaptive */
Update_RA_Entry(padapter, psta);
}
static u32 get_realtek_assoc_AP_vender(struct ndis_80211_var_ie *pIE)
{
u32 Vender = HT_IOT_PEER_REALTEK;
if (pIE->length >= 5) {
if (pIE->data[4] == 1)
/* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */
/* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */
if (pIE->data[5] & RT_HT_CAP_USE_92SE)
/* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */
Vender = HT_IOT_PEER_REALTEK_92SE;
if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP)
Vender = HT_IOT_PEER_REALTEK_SOFTAP;
if (pIE->data[4] == 2) {
if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT)
Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP;
if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT)
Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
}
}
return Vender;
}
unsigned char check_assoc_AP(u8 *pframe, uint len)
{
unsigned int i;
struct ndis_80211_var_ie *pIE;
for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) {
pIE = (struct ndis_80211_var_ie *)(pframe + i);
switch (pIE->element_id) {
case WLAN_EID_VENDOR_SPECIFIC:
if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3)))
return HT_IOT_PEER_ATHEROS;
else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
(!memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
(!memcmp(pIE->data, BROADCOM_OUI3, 3)))
return HT_IOT_PEER_BROADCOM;
else if (!memcmp(pIE->data, MARVELL_OUI, 3))
return HT_IOT_PEER_MARVELL;
else if (!memcmp(pIE->data, RALINK_OUI, 3))
return HT_IOT_PEER_RALINK;
else if (!memcmp(pIE->data, CISCO_OUI, 3))
return HT_IOT_PEER_CISCO;
else if (!memcmp(pIE->data, REALTEK_OUI, 3))
return get_realtek_assoc_AP_vender(pIE);
else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3))
return HT_IOT_PEER_AIRGO;
else
break;
default:
break;
}
i += (pIE->length + 2);
}
return HT_IOT_PEER_UNKNOWN;
}
void update_IOT_info(struct adapter *padapter)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
switch (pmlmeinfo->assoc_AP_vendor) {
case HT_IOT_PEER_MARVELL:
pmlmeinfo->turboMode_cts2self = 1;
pmlmeinfo->turboMode_rtsen = 0;
break;
case HT_IOT_PEER_RALINK:
pmlmeinfo->turboMode_cts2self = 0;
pmlmeinfo->turboMode_rtsen = 1;
/* disable high power */
Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
break;
case HT_IOT_PEER_REALTEK:
/* rtw_write16(padapter, 0x4cc, 0xffff); */
/* rtw_write16(padapter, 0x546, 0x01c0); */
/* disable high power */
Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
break;
default:
pmlmeinfo->turboMode_cts2self = 0;
pmlmeinfo->turboMode_rtsen = 1;
break;
}
}
void update_capinfo(struct adapter *Adapter, u16 updateCap)
{
struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
bool ShortPreamble;
/* Check preamble mode, 2005.01.06, by rcnjko. */
/* Mark to update preamble value forever, 2008.03.18 by lanhsin */
/* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */
{
if (updateCap & cShortPreamble) {
/* Short Preamble */
if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */
ShortPreamble = true;
pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
}
} else {
/* Long Preamble */
if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */
ShortPreamble = false;
pmlmeinfo->preamble_mode = PREAMBLE_LONG;
rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
}
}
}
if (updateCap & cIBSS) {
/* Filen: See 802.11-2007 p.91 */
pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
} else {
/* Filen: See 802.11-2007 p.90 */
if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N)) {
pmlmeinfo->slotTime = SHORT_SLOT_TIME;
} else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */)
/* Short Slot Time */
pmlmeinfo->slotTime = SHORT_SLOT_TIME;
else
/* Long Slot Time */
pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
} else {
/* B Mode */
pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
}
}
rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
}
void update_wireless_mode(struct adapter *padapter)
{
int network_type = 0;
u32 SIFS_Timer;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
unsigned char *rate = cur_network->supported_rates;
if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
pmlmeinfo->HT_enable = 1;
if (pmlmeinfo->HT_enable)
network_type = WIRELESS_11_24N;
if (rtw_is_cckratesonly_included(rate))
network_type |= WIRELESS_11B;
else if (rtw_is_cckrates_included(rate))
network_type |= WIRELESS_11BG;
else
network_type |= WIRELESS_11G;
pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
/* change this value if having IOT issues. */
padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode));
if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
else
update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
}
void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
{
if (is_supported_tx_cck(wireless_mode)) {
/* Only B, B/G, and B/G/N AP could use CCK rate */
memcpy(psta->bssrateset, rtw_basic_rate_cck, 4);
psta->bssratelen = 4;
} else {
memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3);
psta->bssratelen = 3;
}
}
int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
{
unsigned int ie_len;
struct ndis_80211_var_ie *pIE;
int supportRateNum = 0;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len);
if (!pIE)
return _FAIL;
if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates))
return _FAIL;
memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
supportRateNum = ie_len;
pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len);
if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum))
memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
return _SUCCESS;
}
void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
{
struct sta_info *psta;
u16 tid, param;
struct recv_reorder_ctrl *preorder_ctrl;
struct sta_priv *pstapriv = &padapter->stapriv;
struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
psta = rtw_get_stainfo(pstapriv, addr);
if (psta) {
param = le16_to_cpu(preq->BA_para_set);
tid = (param>>2)&0x0f;
preorder_ctrl = &psta->recvreorder_ctrl[tid];
preorder_ctrl->indicate_seq = 0xffff;
preorder_ctrl->enable = pmlmeinfo->accept_addba_req;
}
}
void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
{
u8 *pIE;
__le32 *pbuf;
pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
pbuf = (__le32 *)pIE;
pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
}
void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
{
rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
}
void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
{
int i;
u8 *pIE;
__le32 *pbuf;
u64 tsf = 0;
u32 delay_ms;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
pmlmeext->bcn_cnt++;
pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
pbuf = (__le32 *)pIE;
tsf = le32_to_cpu(*(pbuf+1));
tsf = tsf << 32;
tsf |= le32_to_cpu(*pbuf);
/* delay = (timestamp mod 1024*100)/1000 (unit: ms) */
/* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */
delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024));
delay_ms = delay_ms/1000;
if (delay_ms >= 8)
pmlmeext->bcn_delay_cnt[8]++;
/* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */
else
pmlmeext->bcn_delay_cnt[delay_ms]++;
/* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */
/*
for (i = 0; i<9; i++)
{
pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]);
}
*/
/* dump for adaptive_early_32k */
if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) {
u8 ratio_20_delay, ratio_80_delay;
u8 DrvBcnEarly, DrvBcnTimeOut;
ratio_20_delay = 0;
ratio_80_delay = 0;
DrvBcnEarly = 0xff;
DrvBcnTimeOut = 0xff;
for (i = 0; i < 9; i++) {
pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
ratio_20_delay += pmlmeext->bcn_delay_ratio[i];
ratio_80_delay += pmlmeext->bcn_delay_ratio[i];
if (ratio_20_delay > 20 && DrvBcnEarly == 0xff)
DrvBcnEarly = i;
if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff)
DrvBcnTimeOut = i;
/* reset adaptive_early_32k cnt */
pmlmeext->bcn_delay_cnt[i] = 0;
pmlmeext->bcn_delay_ratio[i] = 0;
}
pmlmeext->DrvBcnEarly = DrvBcnEarly;
pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut;
pmlmeext->bcn_cnt = 0;
}
}
void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
{
int i;
struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
if (is_broadcast_ether_addr(psta->hwaddr))
return;
if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) {
psta->mac_id = NUM_STA;
return;
}
spin_lock_bh(&pdvobj->lock);
for (i = 0; i < NUM_STA; i++) {
if (pdvobj->macid[i] == false) {
pdvobj->macid[i] = true;
break;
}
}
spin_unlock_bh(&pdvobj->lock);
if (i > (NUM_STA - 1))
psta->mac_id = NUM_STA;
else
psta->mac_id = i;
}
void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
{
struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
if (is_broadcast_ether_addr(psta->hwaddr))
return;
if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN))
return;
spin_lock_bh(&pdvobj->lock);
if (psta->mac_id < NUM_STA && psta->mac_id != 1) {
if (pdvobj->macid[psta->mac_id] == true) {
pdvobj->macid[psta->mac_id] = false;
psta->mac_id = NUM_STA;
}
}
spin_unlock_bh(&pdvobj->lock);
}
/* For 8188E RA */
u8 rtw_search_max_mac_id(struct adapter *padapter)
{
u8 max_mac_id = 0;
struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
int i;
spin_lock_bh(&pdvobj->lock);
for (i = (NUM_STA-1); i >= 0 ; i--) {
if (pdvobj->macid[i] == true)
break;
}
max_mac_id = i;
spin_unlock_bh(&pdvobj->lock);
return max_mac_id;
}
struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj)
{
if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0)
return NULL;
return dvobj->padapters;
}
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