diff options
Diffstat (limited to 'drivers/staging/rtl8723bs/core/rtw_wlan_util.c')
| -rw-r--r-- | drivers/staging/rtl8723bs/core/rtw_wlan_util.c | 2328 |
1 files changed, 2328 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723bs/core/rtw_wlan_util.c b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c new file mode 100644 index 0000000..f485f54 --- /dev/null +++ b/drivers/staging/rtl8723bs/core/rtw_wlan_util.c @@ -0,0 +1,2328 @@ +/****************************************************************************** + * + * 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 */ |
