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rtl8188eu/core/rtw_wlan_util.c
Larry Finger 19db43ecbd rtl8188eu: Backport kernel version 
This driver was added to the kernel with version 3.12. The changes in that
version are now brought back to the GitHub repo. Essentually all of the code
is updated.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2013-10-19 12:45:47 -05:00

1689 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];
_rtw_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);
_rtw_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 (_rtw_memcmp(cur_network->network.MacAddress, pbssid, 6) == false) {
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 = 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 (!_rtw_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;
_func_exit_;
}
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 ((_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4)) && (_rtw_memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
return true;
break;
case _RSN_IE_2_:
if (_rtw_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 (_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4) &&
((_rtw_memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
(_rtw_memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
return false;
break;
case _RSN_IE_2_:
if ((_rtw_memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4)) ||
(_rtw_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 (_rtw_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 */
_rtw_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 ((_rtw_memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
(_rtw_memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
DBG_88E("link to Artheros AP\n");
return HT_IOT_PEER_ATHEROS;
} else if ((_rtw_memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
(_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
(_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3))) {
DBG_88E("link to Broadcom AP\n");
return HT_IOT_PEER_BROADCOM;
} else if (_rtw_memcmp(pIE->data, MARVELL_OUI, 3)) {
DBG_88E("link to Marvell AP\n");
return HT_IOT_PEER_MARVELL;
} else if (_rtw_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 (_rtw_memcmp(pIE->data, CISCO_OUI, 3)) {
DBG_88E("link to Cisco AP\n");
return HT_IOT_PEER_CISCO;
} else if (_rtw_memcmp(pIE->data, REALTEK_OUI, 3)) {
DBG_88E("link to Realtek 96B\n");
return HT_IOT_PEER_REALTEK;
} else if (_rtw_memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
DBG_88E("link to Airgo Cap\n");
return HT_IOT_PEER_AIRGO;
} else if (_rtw_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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