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rtl8188eu/core/rtw_wlan_util.c
Larry Finger 89efde68f8 rtl8188eu: Remove wrapper around memcmp() 
Caution: The wrapper inverts the state.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2014-12-13 09:38:17 -06:00

1688 lines
46 KiB
C
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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.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _RTW_WLAN_UTIL_C_
#include <osdep_service.h>
#include <drv_types.h>
#include <wifi.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 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 EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
#define R2T_PHY_DELAY (0)
/* define WAIT_FOR_BCN_TO_M (3000) */
#define WAIT_FOR_BCN_TO_MIN (6000)
#define WAIT_FOR_BCN_TO_MAX (20000)
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
};
static u8 rtw_basic_rate_mix[7] = {
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,
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;
}
unsigned char networktype_to_raid(unsigned char network_type)
{
unsigned char raid;
switch (network_type) {
case WIRELESS_11B:
raid = RATR_INX_WIRELESS_B;
break;
case WIRELESS_11A:
case WIRELESS_11G:
raid = RATR_INX_WIRELESS_G;
break;
case WIRELESS_11BG:
raid = RATR_INX_WIRELESS_GB;
break;
case WIRELESS_11_24N:
case WIRELESS_11_5N:
raid = RATR_INX_WIRELESS_N;
break;
case WIRELESS_11A_5N:
case WIRELESS_11G_24N:
raid = RATR_INX_WIRELESS_NG;
break;
case WIRELESS_11BG_24N:
raid = RATR_INX_WIRELESS_NGB;
break;
default:
raid = RATR_INX_WIRELESS_GB;
break;
}
return raid;
}
u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
{
u8 network_type = 0;
struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pmlmeext->cur_channel > 14) {
if (pmlmeinfo->HT_enable)
network_type = WIRELESS_11_5N;
network_type |= WIRELESS_11A;
} 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;
}
return network_type;
}
static 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;
}
static 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;
}
static 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 UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
{
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 = mbrate[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:
mbrate[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 saveflag = true;
rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
}
void Restore_DM_Func_Flag(struct adapter *padapter)
{
u8 saveflag = false;
rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
}
void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
{
if (enable)
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->mlmeextpriv.oper_channel;
}
inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
{
adapter->mlmeextpriv.oper_channel = ch;
}
inline u8 rtw_get_oper_bw(struct adapter *adapter)
{
return adapter->mlmeextpriv.oper_bwmode;
}
inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
{
adapter->mlmeextpriv.oper_bwmode = bw;
}
inline u8 rtw_get_oper_choffset(struct adapter *adapter)
{
return adapter->mlmeextpriv.oper_ch_offset;
}
inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
{
adapter->mlmeextpriv.oper_ch_offset = offset;
}
void SelectChannel(struct adapter *padapter, unsigned char channel)
{
/* saved channel info */
rtw_set_oper_ch(padapter, channel);
rtw_hal_set_chan(padapter, channel);
}
void SetBWMode(struct adapter *padapter, unsigned short bwmode,
unsigned char channel_offset)
{
/* saved bw info */
rtw_set_oper_bw(padapter, bwmode);
rtw_set_oper_choffset(padapter, channel_offset);
rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
}
void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
{
u8 center_ch;
if (padapter->bNotifyChannelChange)
DBG_88E("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
if ((bwmode == HT_CHANNEL_WIDTH_20) ||
(channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
/* SelectChannel(padapter, channel); */
center_ch = channel;
} else {
/* switch to the proper channel */
if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
/* SelectChannel(padapter, channel + 2); */
center_ch = channel + 2;
} else {
/* SelectChannel(padapter, channel - 2); */
center_ch = channel - 2;
}
}
/* set Channel */
/* 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_chan(padapter, center_ch); /* set center channel */
SetBWMode(padapter, bwmode, channel_offset);
}
int get_bsstype(unsigned short capability)
{
if (capability & BIT(0))
return WIFI_FW_AP_STATE;
else if (capability & BIT(1))
return WIFI_FW_ADHOC_STATE;
else
return 0;
}
__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 CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
{
rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
}
void invalidate_cam_all(struct adapter *padapter)
{
rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
}
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);
}
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);
rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
}
int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_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 _FAIL;
}
pmlmeinfo->WMM_enable = 1;
memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
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;
if (pmlmeinfo->WMM_enable == 0) {
padapter->mlmepriv.acm_mask = 0;
return;
}
acm_mask = 0;
if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
aSifsTime = 10;
else
aSifsTime = 16;
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));
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_88E("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_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
}
return;
}
static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_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;
if (!pIE)
return;
if (!phtpriv)
return;
if (pIE->Length > sizeof(struct HT_info_element))
return;
pHT_info = (struct HT_info_element *)pIE->data;
if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
new_bwmode = HT_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_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
break;
}
} else {
new_bwmode = HT_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 (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 */
phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
} else {
phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
}
}
}
}
void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
{
unsigned int i;
u8 rf_type;
u8 max_AMPDU_len, min_MPDU_spacing;
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)
return;
pmlmeinfo->HT_caps_enable = 1;
for (i = 0; i < (pIE->Length); i++) {
if (i != 2) {
/* 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 rates */
for (i = 0; i < 16; i++) {
if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
else
pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
}
return;
}
void HT_info_handler(struct adapter *padapter, struct ndis_802_11_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)
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_88E("%s\n", __func__);
if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
pmlmeinfo->HT_enable = 1;
} else {
pmlmeinfo->HT_enable = 0;
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_802_11_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;
}
}
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;
if (is_client_associated_to_ap(Adapter) == false)
return true;
len = packet_len - sizeof(struct rtw_ieee80211_hdr_3addr);
if (len > MAX_IE_SZ) {
DBG_88E("%s IE too long for survey event\n", __func__);
return _FAIL;
}
if (memcmp(cur_network->network.MacAddress, pbssid, 6)) {
DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
(pbssid), (cur_network->network.MacAddress));
return true;
}
bssid = (struct wlan_bssid_ex *)rtw_zmalloc(sizeof(struct wlan_bssid_ex));
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 rtw_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_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
ht_cap_info, ht_info_infos_0);
DBG_88E("%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_88E("%s bw mode change, disconnect\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 */
p = 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_88E("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_88E("%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_88E("%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_88E("%s(), SSID is not match return FAIL\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_88E("%s(), privacy is not match return FAIL\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_88E("%s(): enctyp is not match , return FAIL\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_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\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_88E("%s authentication is not match , return FAIL\n", __func__);
goto _mismatch;
}
}
kfree(bssid);
return _SUCCESS;
_mismatch:
kfree(bssid);
return _FAIL;
}
void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
{
unsigned int i;
unsigned int len;
struct ndis_802_11_var_ie *pIE;
len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
for (i = 0; i < len;) {
pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
switch (pIE->ElementID) {
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_802_11_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_fixed_ie); i < pmlmeinfo->network.IELength;) {
pIE = (struct ndis_802_11_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;
}
}
unsigned int should_forbid_n_rate(struct adapter *padapter)
{
u32 i;
struct ndis_802_11_var_ie *pIE;
struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
struct wlan_bssid_ex *cur_network = &pmlmepriv->cur_network.network;
if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
switch (pIE->ElementID) {
case _VENDOR_SPECIFIC_IE_:
if (!memcmp(pIE->data, RTW_WPA_OUI, 4) &&
((!memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
(!memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
return false;
break;
case _RSN_IE_2_:
if ((!memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4)) ||
(!memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
return false;
default:
break;
}
i += (pIE->Length + 2);
}
return true;
} else {
return false;
}
}
unsigned int is_ap_in_wep(struct adapter *padapter)
{
u32 i;
struct ndis_802_11_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_fixed_ie); i < pmlmeinfo->network.IELength;) {
pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
switch (pIE->ElementID) {
case _VENDOR_SPECIFIC_IE_:
if (!memcmp(pIE->data, RTW_WPA_OUI, 4))
return false;
break;
case _RSN_IE_2_:
return false;
default:
break;
}
i += (pIE->Length + 2);
}
return true;
} else {
return false;
}
}
int wifirate2_ratetbl_inx(unsigned char rate)
{
int inx = 0;
rate = rate & 0x7f;
switch (rate) {
case 54*2:
inx = 11;
break;
case 48*2:
inx = 10;
break;
case 36*2:
inx = 9;
break;
case 24*2:
inx = 8;
break;
case 18*2:
inx = 7;
break;
case 12*2:
inx = 6;
break;
case 9*2:
inx = 5;
break;
case 6*2:
inx = 4;
break;
case 11*2:
inx = 3;
break;
case 11:
inx = 2;
break;
case 2*2:
inx = 1;
break;
case 1*2:
inx = 0;
break;
}
return inx;
}
unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
{
unsigned int i, num_of_rate;
unsigned int mask = 0;
num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
for (i = 0; i < num_of_rate; i++) {
if ((*(ptn + i)) & 0x80)
mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
}
return mask;
}
unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
{
unsigned int i, num_of_rate;
unsigned int mask = 0;
num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
for (i = 0; i < num_of_rate; i++)
mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
return mask;
}
unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
{
unsigned int mask = 0;
mask = ((pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20));
return mask;
}
int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
{
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;
if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK))
return _FAIL;
bit_offset = (pmlmeext->cur_bwmode & HT_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 = 27; i >= 0; i--) {
if (mask & BIT(i)) {
rate_idx = i;
break;
}
}
return rate_idx;
}
void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
{
rtw_hal_update_ra_mask(padapter, mac_id, 0);
}
static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
{
Update_RA_Entry(padapter, mac_id);
}
void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
{
/* rate adaptive */
enable_rate_adaptive(padapter, psta->mac_id);
}
/* Update RRSR and Rate for USERATE */
void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
{
unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
#ifdef CONFIG_88EU_P2P
struct wifidirect_info *pwdinfo = &padapter->wdinfo;
/* Added by Albert 2011/03/22 */
/* In the P2P mode, the driver should not support the b mode. */
/* So, the Tx packet shouldn't use the CCK rate */
if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
return;
#endif /* CONFIG_88EU_P2P */
memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
memcpy(supported_rates, rtw_basic_rate_cck, 4);
else if (wirelessmode & WIRELESS_11B)
memcpy(supported_rates, rtw_basic_rate_mix, 7);
else
memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
if (wirelessmode & WIRELESS_11B)
update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
else
update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
}
unsigned char check_assoc_AP(u8 *pframe, uint len)
{
unsigned int i;
struct ndis_802_11_var_ie *pIE;
u8 epigram_vendor_flag;
u8 ralink_vendor_flag;
epigram_vendor_flag = 0;
ralink_vendor_flag = 0;
for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
pIE = (struct ndis_802_11_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_88E("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_OUI2, 3))) {
DBG_88E("link to Broadcom AP\n");
return HT_IOT_PEER_BROADCOM;
} else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
DBG_88E("link to Marvell AP\n");
return HT_IOT_PEER_MARVELL;
} else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
if (!ralink_vendor_flag) {
ralink_vendor_flag = 1;
} else {
DBG_88E("link to Ralink AP\n");
return HT_IOT_PEER_RALINK;
}
} else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
DBG_88E("link to Cisco AP\n");
return HT_IOT_PEER_CISCO;
} else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
DBG_88E("link to Realtek 96B\n");
return HT_IOT_PEER_REALTEK;
} else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
DBG_88E("link to Airgo Cap\n");
return HT_IOT_PEER_AIRGO;
} else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) {
epigram_vendor_flag = 1;
if (ralink_vendor_flag) {
DBG_88E("link to Tenda W311R AP\n");
return HT_IOT_PEER_TENDA;
} else {
DBG_88E("Capture EPIGRAM_OUI\n");
}
} else {
break;
}
default:
break;
}
i += (pIE->Length + 2);
}
if (ralink_vendor_flag && !epigram_vendor_flag) {
DBG_88E("link to Ralink AP\n");
return HT_IOT_PEER_RALINK;
} else if (ralink_vendor_flag && epigram_vendor_flag) {
DBG_88E("link to Tenda W311R AP\n");
return HT_IOT_PEER_TENDA;
} else {
DBG_88E("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 (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_11G | WIRELESS_11_24N)) {
if (updateCap & cShortSlotTime) { /* Short Slot Time */
if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
pmlmeinfo->slotTime = SHORT_SLOT_TIME;
} else { /* Long Slot Time */
if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
}
} else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
pmlmeinfo->slotTime = 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->HT_enable)
network_type = WIRELESS_11_5N;
network_type |= WIRELESS_11A;
} 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);
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_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
{
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
/* Only B, B/G, and B/G/N AP could use CCK rate */
memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
} else {
memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 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_802_11_var_ie *pIE;
int supportRateNum = 0;
struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
pIE = (struct ndis_802_11_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_802_11_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;
u16 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->bAcceptAddbaReq) ? true : false;
}
}
void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
{
u8 *pIE;
__le32 *pbuf;
pIE = pframe + sizeof(struct rtw_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 beacon_timing_control(struct adapter *padapter)
{
rtw_hal_bcn_related_reg_setting(padapter);
}
static struct adapter *pbuddy_padapter;
int rtw_handle_dualmac(struct adapter *adapter, bool init)
{
int status = _SUCCESS;
if (init) {
if (pbuddy_padapter == NULL) {
pbuddy_padapter = adapter;
DBG_88E("%s(): pbuddy_padapter == NULL, Set pbuddy_padapter\n", __func__);
} else {
adapter->pbuddy_adapter = pbuddy_padapter;
pbuddy_padapter->pbuddy_adapter = adapter;
/* clear global value */
pbuddy_padapter = NULL;
DBG_88E("%s(): pbuddy_padapter exist, Exchange Information\n", __func__);
}
} else {
pbuddy_padapter = NULL;
}
return status;
}
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