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*
* 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.
*
******************************************************************************/
#define _RTW_WLAN_UTIL_C_
#include <drv_types.h>
#include <rtw_debug.h>
#include <hal_com_h2c.h>
#if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
#include <linux/inetdevice.h>
#endif
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};
extern unsigned char RTW_WPA_OUI[];
extern unsigned char WPA_TKIP_CIPHER[4];
#define R2T_PHY_DELAY (0)
/* 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
};
int cckrates_included(unsigned char *rate, int ratelen)
{
int i;
for (i = 0; i < ratelen; i++) {
if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
(((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
return true;
}
return false;
}
int cckratesonly_included(unsigned char *rate, int ratelen)
{
int i;
for (i = 0; i < ratelen; i++) {
if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
(((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
return false;
}
return true;
}
u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
{
u8 raid, cur_rf_type, rf_type = RF_1T1R;
rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type));
if (cur_rf_type == RF_1T1R) {
rf_type = RF_1T1R;
} else if (IsSupportedVHT(psta->wireless_mode)) {
if (psta->ra_mask & 0xffc00000)
rf_type = RF_2T2R;
} else if (IsSupportedHT(psta->wireless_mode)) {
if (psta->ra_mask & 0xfff00000)
rf_type = RF_2T2R;
}
switch (psta->wireless_mode) {
case WIRELESS_11B:
raid = RATEID_IDX_B;
break;
case WIRELESS_11A:
case WIRELESS_11G:
raid = RATEID_IDX_G;
break;
case WIRELESS_11BG:
raid = RATEID_IDX_BG;
break;
case WIRELESS_11_24N:
case WIRELESS_11_5N:
case WIRELESS_11A_5N:
case WIRELESS_11G_24N:
if (rf_type == RF_2T2R)
raid = RATEID_IDX_GN_N2SS;
else
raid = RATEID_IDX_GN_N1SS;
break;
case WIRELESS_11B_24N:
case WIRELESS_11BG_24N:
if (psta->bw_mode == CHANNEL_WIDTH_20) {
if (rf_type == RF_2T2R)
raid = RATEID_IDX_BGN_20M_2SS_BN;
else
raid = RATEID_IDX_BGN_20M_1SS_BN;
} else {
if (rf_type == RF_2T2R)
raid = RATEID_IDX_BGN_40M_2SS;
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)
{
unsigned char val = 0;
switch (rate & 0x7f) {
case 0:
val = IEEE80211_CCK_RATE_1MB;
break;
case 1:
val = IEEE80211_CCK_RATE_2MB;
break;
case 2:
val = IEEE80211_CCK_RATE_5MB;
break;
case 3:
val = IEEE80211_CCK_RATE_11MB;
break;
case 4:
val = IEEE80211_OFDM_RATE_6MB;
break;
case 5:
val = IEEE80211_OFDM_RATE_9MB;
break;
case 6:
val = IEEE80211_OFDM_RATE_12MB;
break;
case 7:
val = IEEE80211_OFDM_RATE_18MB;
break;
case 8:
val = IEEE80211_OFDM_RATE_24MB;
break;
case 9:
val = IEEE80211_OFDM_RATE_36MB;
break;
case 10:
val = IEEE80211_OFDM_RATE_48MB;
break;
case 11:
val = IEEE80211_OFDM_RATE_54MB;
break;
}
return val;
}
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));
}
static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
{
rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
}
void Set_MSR(struct adapter *padapter, u8 type)
{
Set_NETYPE0_MSR(padapter, 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 += snprintf(msg+cnt, len-cnt, "switch to ch %3u", ch);
for (i = 0; i < dvobj->iface_nums; i++) {
struct adapter *iface = dvobj->padapters[i];
cnt += snprintf(msg+cnt, len-cnt, " ["ADPT_FMT":", ADPT_ARG(iface));
if (iface->mlmeextpriv.cur_channel == ch)
cnt += snprintf(msg+cnt, len-cnt, "C");
else
cnt += snprintf(msg+cnt, len-cnt, "_");
if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
cnt += snprintf(msg+cnt, len-cnt, "L");
else
cnt += snprintf(msg+cnt, len-cnt, "_");
cnt += snprintf(msg+cnt, len-cnt, "]");
}
DBG_871X(FUNC_ADPT_FMT" %s\n", FUNC_ADPT_ARG(adapter), msg);
#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_80) {
if ((channel == 36) || (channel == 40) || (channel == 44) || (channel == 48))
center_ch = 42;
if ((channel == 52) || (channel == 56) || (channel == 60) || (channel == 64))
center_ch = 58;
if ((channel == 100) || (channel == 104) || (channel == 108) || (channel == 112))
center_ch = 106;
if ((channel == 116) || (channel == 120) || (channel == 124) || (channel == 128))
center_ch = 122;
if ((channel == 132) || (channel == 136) || (channel == 140) || (channel == 144))
center_ch = 138;
if ((channel == 149) || (channel == 153) || (channel == 157) || (channel == 161))
center_ch = 155;
else if (channel <= 14)
center_ch = 7;
} else 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 SelectChannel(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;
if (padapter->bNotifyChannelChange)
DBG_871X("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
if (bwmode == CHANNEL_WIDTH_80) {
if (center_ch > channel)
chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER;
else if (center_ch < channel)
chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER;
else
chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
}
/* 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->MacAddress;
}
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;
/* DBG_8192C("********* DUMP CAM Entry_#%02d***************\n", entry); */
for (j = 0; j < 6; j++) {
cmd = _ReadCAM(padapter, addr+j);
/* DBG_8192C("offset:0x%02x => 0x%08x\n", addr+j, cmd); */
if (j > 1) /* get key from cam */
memcpy(get_key+(j-2)*4, &cmd, 4);
}
/* DBG_8192C("*********************************\n"); */
}
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);
}
inline void write_cam_from_cache(struct adapter *adapter, u8 id)
{
struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
struct cam_entry_cache cache;
spin_lock_bh(&cam_ctl->lock);
memcpy(&cache, &dvobj->cam_cache[id], sizeof(struct cam_entry_cache));
spin_unlock_bh(&cam_ctl->lock);
_write_cam(adapter, id, cache.ctrl, cache.mac, cache.key);
}
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;
}
if (addr)
DBG_871X(FUNC_ADPT_FMT" addr:"MAC_FMT" kid:%d, return cam_id:%d\n"
, FUNC_ADPT_ARG(adapter), MAC_ARG(addr), kid, cam_id);
else
DBG_871X(FUNC_ADPT_FMT" addr:%p kid:%d, return cam_id:%d\n"
, FUNC_ADPT_ARG(adapter), addr, kid, cam_id);
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) {
DBG_871X_LEVEL(_drv_always_, 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) == true)
cam_id = i;
else
DBG_871X_LEVEL(_drv_always_, 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)
DBG_871X_LEVEL(_drv_always_, FUNC_ADPT_FMT" pairwise key with "MAC_FMT" id:%u no room\n"
, FUNC_ADPT_ARG(adapter), MAC_ARG(sta->hwaddr), kid);
else
DBG_871X_LEVEL(_drv_always_, 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;
}
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 | WIRELESS_11A)) {
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;
}
DBG_871X("WMM(%x): %x, %x\n", ACI, ACM, acParm);
}
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) {
u32 j, tmp, 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) {
tmp = edca[i];
edca[i] = edca[j];
edca[j] = tmp;
tmp = inx[i];
inx[i] = inx[j];
inx[j] = tmp;
change_inx = false;
}
}
}
}
for (i = 0; i < 4; i++) {
pxmitpriv->wmm_para_seq[i] = inx[i];
DBG_871X("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[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 (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80)
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->MacAddress);
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 rf_type;
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 == NULL)
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 */
if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
max_AMPDU_len = (pIE->data[i] & 0x3);
else
max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
else
min_MPDU_spacing = (pIE->data[i] & 0x1c);
pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
}
}
rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
/* 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 */
switch (rf_type) {
case RF_1T1R:
case RF_1T2R:
set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
break;
case RF_2T2R:
default:
#ifdef CONFIG_DISABLE_MCS13TO15
if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1)
set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF);
else
set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
#else /* CONFIG_DISABLE_MCS13TO15 */
set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
#endif /* CONFIG_DISABLE_MCS13TO15 */
}
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);
DBG_871X("Enable HT Tx STBC !\n");
}
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));
DBG_871X("Enable HT Tx LDPC!\n");
}
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));
DBG_871X("Enable HT Tx STBC!\n");
}
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 == NULL)
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);
return;
}
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);
DBG_871X("%s\n", __func__);
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);
u32 hidden_ssid = 0;
struct HT_info_element *pht_info = NULL;
struct rtw_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;
if (is_client_associated_to_ap(Adapter) == false)
return true;
len = packet_len - sizeof(struct ieee80211_hdr_3addr);
if (len > MAX_IE_SZ) {
DBG_871X("%s IE too long for survey event\n", __func__);
return _FAIL;
}
if (memcmp(cur_network->network.MacAddress, pbssid, 6)) {
DBG_871X("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n" MAC_FMT MAC_FMT,
MAC_ARG(pbssid), MAC_ARG(cur_network->network.MacAddress));
return true;
}
bssid = (struct wlan_bssid_ex *)rtw_zmalloc(sizeof(struct wlan_bssid_ex));
if (bssid == NULL) {
DBG_871X("%s rtw_zmalloc fail !!!\n", __func__);
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->IELength = len;
memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
/* check bw and channel offset */
/* parsing HT_CAP_IE */
p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
if (p && len > 0) {
pht_cap = (struct rtw_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_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _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->BcnInfo.ht_cap_info ||
((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
DBG_871X("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
ht_cap_info, ht_info_infos_0);
DBG_871X("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
DBG_871X("%s bw mode change\n", __func__);
{
/* bcn_info_update */
cur_network->BcnInfo.ht_cap_info = ht_cap_info;
cur_network->BcnInfo.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_, _DSSET_IE_, &len, bssid->IELength - _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_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
if (pht_info) {
bcn_channel = pht_info->primary_channel;
} else { /* we don't find channel IE, so don't check it */
/* DBG_871X("Oops: %s we don't find channel IE, so don't check it\n", __func__); */
bcn_channel = Adapter->mlmeextpriv.cur_channel;
}
}
if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
DBG_871X("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
bcn_channel, Adapter->mlmeextpriv.cur_channel);
goto _mismatch;
}
/* checking SSID */
p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
if (p == NULL) {
DBG_871X("%s marc: cannot find SSID for survey event\n", __func__);
hidden_ssid = true;
} else {
hidden_ssid = false;
}
if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) {
memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
bssid->Ssid.SsidLength = *(p + 1);
} else {
bssid->Ssid.SsidLength = 0;
bssid->Ssid.Ssid[0] = '\0';
}
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
"cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
cur_network->network.Ssid.SsidLength));
if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
DBG_871X("%s(), SSID is not match\n", __func__);
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;
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
__func__, cur_network->network.Privacy, bssid->Privacy));
if (cur_network->network.Privacy != bssid->Privacy) {
DBG_871X("%s(), privacy is not match\n", __func__);
goto _mismatch;
}
rtw_get_sec_ie(bssid->IEs, bssid->IELength, 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->BcnInfo.encryp_protocol != encryp_protocol) {
DBG_871X("%s(): enctyp is not match\n", __func__);
goto _mismatch;
}
if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
if (pbuf && (wpa_ielen > 0)) {
if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
pairwise_cipher, group_cipher, is_8021x));
}
} else {
pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
if (pbuf && (wpa_ielen > 0)) {
if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
__func__, pairwise_cipher, group_cipher, is_8021x));
}
}
}
RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
DBG_871X("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match\n", __func__,
pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
group_cipher, cur_network->BcnInfo.group_cipher);
goto _mismatch;
}
if (is_8021x != cur_network->BcnInfo.is_8021x) {
DBG_871X("%s authentication is not match\n", __func__);
goto _mismatch;
}
}
kfree((u8 *)bssid);
return _SUCCESS;
_mismatch:
kfree((u8 *)bssid);
if (pmlmepriv->NumOfBcnInfoChkFail == 0)
pmlmepriv->timeBcnInfoChkStart = jiffies;
pmlmepriv->NumOfBcnInfoChkFail++;
DBG_871X("%s by "ADPT_FMT" - NumOfChkFail = %d (SeqNum of this Beacon frame = %d).\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail, GetSequence(pframe));
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)) {
DBG_871X("%s by "ADPT_FMT" - NumOfChkFail = %d >= threshold : %d (in %d ms), return FAIL.\n", __func__, ADPT_ARG(Adapter), pmlmepriv->NumOfBcnInfoChkFail,
DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD, jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart));
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->ElementID) {
case _VENDOR_SPECIFIC_IE_:
/* to update WMM paramter 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 _HT_EXTRA_INFO_IE_: /* HT info */
/* HT_info_handler(padapter, pIE); */
bwmode_update_check(padapter, pIE);
break;
case _ERPINFO_IE_:
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.IELength;) {
pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i);
switch (pIE->ElementID) {
case _VENDOR_SPECIFIC_IE_:
if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
return true;
break;
case _RSN_IE_2_:
if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
return true;
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 enable_rate_adaptive(struct adapter *padapter, struct sta_info *psta);
void enable_rate_adaptive(struct adapter *padapter, struct sta_info *psta)
{
Update_RA_Entry(padapter, psta);
}
void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
{
/* rate adaptive */
enable_rate_adaptive(padapter, psta);
}
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->ElementID) {
case _VENDOR_SPECIFIC_IE_:
if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
DBG_871X("link to Artheros AP\n");
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))) {
DBG_871X("link to Broadcom AP\n");
return HT_IOT_PEER_BROADCOM;
} else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
DBG_871X("link to Marvell AP\n");
return HT_IOT_PEER_MARVELL;
} else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
DBG_871X("link to Ralink AP\n");
return HT_IOT_PEER_RALINK;
} else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
DBG_871X("link to Cisco AP\n");
return HT_IOT_PEER_CISCO;
} else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
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;
DBG_871X("link to Realtek JAGUAR_BCUTAP\n");
}
if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT) {
Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
DBG_871X("link to Realtek JAGUAR_CCUTAP\n");
}
}
}
DBG_871X("link to Realtek AP\n");
return Vender;
} else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
DBG_871X("link to Airgo Cap\n");
return HT_IOT_PEER_AIRGO;
} else
break;
default:
break;
}
i += (pIE->Length + 2);
}
DBG_871X("link to new AP\n");
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 | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC))
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 ratelen, 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->SupportedRates;
ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
pmlmeinfo->HT_enable = 1;
if (pmlmeext->cur_channel > 14) {
if (pmlmeinfo->VHT_enable)
network_type = WIRELESS_11AC;
else if (pmlmeinfo->HT_enable)
network_type = WIRELESS_11_5N;
network_type |= WIRELESS_11A;
} else{
if (pmlmeinfo->VHT_enable)
network_type = WIRELESS_11AC;
else if (pmlmeinfo->HT_enable)
network_type = WIRELESS_11_24N;
if ((cckratesonly_included(rate, ratelen)) == true)
network_type |= WIRELESS_11B;
else if ((cckrates_included(rate, ratelen)) == true)
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 (IsSupportedTxCCK(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, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
if (pIE == NULL)
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, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
if (pIE)
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, start_seq, 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) {
start_seq = le16_to_cpu(preq->BA_starting_seqctrl) >> 4;
param = le16_to_cpu(preq->BA_para_set);
tid = (param>>2)&0x0f;
preorder_ctrl = &psta->recvreorder_ctrl[tid];
#ifdef CONFIG_UPDATE_INDICATE_SEQ_WHILE_PROCESS_ADDBA_REQ
preorder_ctrl->indicate_seq = start_seq;
#ifdef DBG_RX_SEQ
DBG_871X("DBG_RX_SEQ %s:%d IndicateSeq: %d, start_seq: %d\n", __func__, __LINE__,
preorder_ctrl->indicate_seq, start_seq);
#endif
#else
preorder_ctrl->indicate_seq = 0xffff;
#endif
preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq == true) ? true : false;
}
}
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);
/* DBG_871X("%s(): tsf_upper = 0x%08x, tsf_lower = 0x%08x\n", __func__, (u32)(tsf>>32), (u32)tsf); */
/* delay = (timestamp mod 1024*100)/1000 (unit: ms) */
/* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */
delay_ms = rtw_modular64(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; */
/*
DBG_871X("%s(): (a)bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt);
for (i = 0; i<9; i++)
{
DBG_871X("%s():bcn_delay_cnt[%d]=%d, bcn_delay_ratio[%d]=%d\n", __func__, 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;
DBG_871X("%s(): bcn_cnt = %d\n", __func__, pmlmeext->bcn_cnt);
for (i = 0; i < 9; i++) {
pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
DBG_871X("%s():bcn_delay_cnt[%d]=%d, bcn_delay_ratio[%d]=%d\n", __func__, i,
pmlmeext->bcn_delay_cnt[i], i, pmlmeext->bcn_delay_ratio[i]);
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;
DBG_871X("%s(): DrvBcnEarly = %d\n", __func__, DrvBcnEarly);
}
if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff) {
DrvBcnTimeOut = i;
DBG_871X("%s(): DrvBcnTimeOut = %d\n", __func__, DrvBcnTimeOut);
}
/* 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 beacon_timing_control(struct adapter *padapter)
{
rtw_hal_bcn_related_reg_setting(padapter);
}
void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
{
int i;
u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
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;
DBG_871X(" no room for more MACIDs\n");
} else{
psta->mac_id = i;
DBG_871X("%s = %d\n", __func__, psta->mac_id);
}
}
void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
{
u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
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) {
DBG_871X("%s = %d\n", __func__, psta->mac_id);
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;
}
#ifdef CONFIG_GPIO_API
int rtw_get_gpio(struct net_device *netdev, int gpio_num)
{
u8 value;
u8 direction;
struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(adapter);
rtw_ps_deny(adapter, PS_DENY_IOCTL);
DBG_871X("rf_pwrstate = 0x%02x\n", pwrpriv->rf_pwrstate);
LeaveAllPowerSaveModeDirect(adapter);
/* Read GPIO Direction */
direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num;
/* According the direction to read register value */
if (direction)
value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & BIT(gpio_num)) >> gpio_num;
else
value = (rtw_read8(adapter, REG_GPIO_PIN_CTRL) & BIT(gpio_num)) >> gpio_num;
rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
DBG_871X("%s direction =%d value =%d\n", __func__, direction, value);
return value;
}
EXPORT_SYMBOL(rtw_get_gpio);
int rtw_set_gpio_output_value(struct net_device *netdev, int gpio_num, bool isHigh)
{
u8 direction = 0;
u8 res = -1;
struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
/* Check GPIO is 4~7 */
if (gpio_num > 7 || gpio_num < 4) {
DBG_871X("%s The gpio number does not included 4~7.\n", __func__);
return -1;
}
rtw_ps_deny(adapter, PS_DENY_IOCTL);
LeaveAllPowerSaveModeDirect(adapter);
/* Read GPIO direction */
direction = (rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & BIT(gpio_num)) >> gpio_num;
/* If GPIO is output direction, setting value. */
if (direction) {
if (isHigh)
rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) | BIT(gpio_num));
else
rtw_write8(adapter, REG_GPIO_PIN_CTRL + 1, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 1) & ~BIT(gpio_num));
DBG_871X("%s Set gpio %x[%d]=%d\n", __func__, REG_GPIO_PIN_CTRL+1, gpio_num, isHigh);
res = 0;
} else{
DBG_871X("%s The gpio is input, not be set!\n", __func__);
res = -1;
}
rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
return res;
}
EXPORT_SYMBOL(rtw_set_gpio_output_value);
int rtw_config_gpio(struct net_device *netdev, int gpio_num, bool isOutput)
{
struct adapter *adapter = (struct adapter *)rtw_netdev_priv(netdev);
if (gpio_num > 7 || gpio_num < 4) {
DBG_871X("%s The gpio number does not included 4~7.\n", __func__);
return -1;
}
DBG_871X("%s gpio_num =%d direction =%d\n", __func__, gpio_num, isOutput);
rtw_ps_deny(adapter, PS_DENY_IOCTL);
LeaveAllPowerSaveModeDirect(adapter);
if (isOutput)
rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) | BIT(gpio_num));
else
rtw_write8(adapter, REG_GPIO_PIN_CTRL + 2, rtw_read8(adapter, REG_GPIO_PIN_CTRL + 2) & ~BIT(gpio_num));
rtw_ps_deny_cancel(adapter, PS_DENY_IOCTL);
return 0;
}
EXPORT_SYMBOL(rtw_config_gpio);
#endif
#if defined(CONFIG_WOWLAN) || defined(CONFIG_AP_WOWLAN)
void rtw_get_current_ip_address(struct adapter *padapter, u8 *pcurrentip)
{
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct in_device *my_ip_ptr = padapter->pnetdev->ip_ptr;
u8 ipaddress[4];
if ((pmlmeinfo->state & WIFI_FW_LINKING_STATE) ||
pmlmeinfo->state & WIFI_FW_AP_STATE) {
if (my_ip_ptr != NULL) {
struct in_ifaddr *my_ifa_list = my_ip_ptr->ifa_list;
if (my_ifa_list != NULL) {
ipaddress[0] = my_ifa_list->ifa_address & 0xFF;
ipaddress[1] = (my_ifa_list->ifa_address >> 8) & 0xFF;
ipaddress[2] = (my_ifa_list->ifa_address >> 16) & 0xFF;
ipaddress[3] = my_ifa_list->ifa_address >> 24;
DBG_871X("%s: %d.%d.%d.%d ==========\n", __func__,
ipaddress[0], ipaddress[1], ipaddress[2], ipaddress[3]);
memcpy(pcurrentip, ipaddress, 4);
}
}
}
}
#endif
#ifdef CONFIG_WOWLAN
void rtw_get_sec_iv(struct adapter *padapter, u8 *pcur_dot11txpn, u8 *StaAddr)
{
struct sta_info *psta;
struct security_priv *psecpriv = &padapter->securitypriv;
memset(pcur_dot11txpn, 0, 8);
if (NULL == StaAddr)
return;
psta = rtw_get_stainfo(&padapter->stapriv, StaAddr);
DBG_871X("%s(): StaAddr: %02x %02x %02x %02x %02x %02x\n",
__func__, StaAddr[0], StaAddr[1], StaAddr[2],
StaAddr[3], StaAddr[4], StaAddr[5]);
if (psta) {
if (psecpriv->dot11PrivacyAlgrthm != _NO_PRIVACY_ && psta->dot11txpn.val > 0)
psta->dot11txpn.val--;
AES_IV(pcur_dot11txpn, psta->dot11txpn, 0);
DBG_871X("%s(): CurrentIV: %02x %02x %02x %02x %02x %02x %02x %02x\n"
, __func__, pcur_dot11txpn[0], pcur_dot11txpn[1],
pcur_dot11txpn[2], pcur_dot11txpn[3], pcur_dot11txpn[4],
pcur_dot11txpn[5], pcur_dot11txpn[6], pcur_dot11txpn[7]);
}
}
void rtw_set_sec_pn(struct adapter *padapter)
{
struct sta_info *psta;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
struct pwrctrl_priv *pwrpriv = adapter_to_pwrctl(padapter);
struct security_priv *psecpriv = &padapter->securitypriv;
psta = rtw_get_stainfo(&padapter->stapriv,
get_my_bssid(&pmlmeinfo->network));
if (psta) {
if (pwrpriv->wowlan_fw_iv > psta->dot11txpn.val) {
if (psecpriv->dot11PrivacyAlgrthm != _NO_PRIVACY_)
psta->dot11txpn.val = pwrpriv->wowlan_fw_iv + 2;
} else {
DBG_871X("%s(): FW IV is smaller than driver\n", __func__);
psta->dot11txpn.val += 2;
}
DBG_871X("%s: dot11txpn: 0x%016llx\n", __func__, psta->dot11txpn.val);
}
}
#endif /* CONFIG_WOWLAN */
#ifdef CONFIG_PNO_SUPPORT
#define CSCAN_TLV_TYPE_SSID_IE 'S'
#define CIPHER_IE "key_mgmt ="
#define CIPHER_NONE "NONE"
#define CIPHER_WPA_PSK "WPA-PSK"
#define CIPHER_WPA_EAP "WPA-EAP IEEE8021X"
#endif /* CONFIG_PNO_SUPPORT */
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