| /****************************************************************************** |
| * |
| * 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 <osdep_service.h> |
| #include <drv_types.h> |
| #include <linux/ieee80211.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}; |
| |
| static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02}; |
| static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02}; |
| |
| #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 |
| |
| 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_included23a(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_included23a(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_raid23a(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_type23a(struct rtw_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_included23a(rate, ratelen)) == true) |
| network_type |= WIRELESS_11B; |
| else if ((cckrates_included23a(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 rtw_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 rtw_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_set23a(struct rtw_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 UpdateBrateTbl23a(struct rtw_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; |
| default: |
| break; |
| } |
| } |
| } |
| |
| void Update23aTblForSoftAP(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 Set_MSR23a(struct rtw_adapter *padapter, u8 type) |
| { |
| rtl8723a_set_media_status(padapter, type); |
| } |
| |
| inline u8 rtw_get_oper_ch23a(struct rtw_adapter *adapter) |
| { |
| return adapter_to_dvobj(adapter)->oper_channel; |
| } |
| |
| inline void rtw_set_oper_ch23a(struct rtw_adapter *adapter, u8 ch) |
| { |
| adapter_to_dvobj(adapter)->oper_channel = ch; |
| } |
| |
| inline u8 rtw_get_oper_bw23a(struct rtw_adapter *adapter) |
| { |
| return adapter_to_dvobj(adapter)->oper_bwmode; |
| } |
| |
| inline void rtw_set_oper_bw23a(struct rtw_adapter *adapter, u8 bw) |
| { |
| adapter_to_dvobj(adapter)->oper_bwmode = bw; |
| } |
| |
| inline u8 rtw_get_oper_ch23aoffset(struct rtw_adapter *adapter) |
| { |
| return adapter_to_dvobj(adapter)->oper_ch_offset; |
| } |
| |
| inline void rtw_set_oper_ch23aoffset23a(struct rtw_adapter *adapter, u8 offset) |
| { |
| adapter_to_dvobj(adapter)->oper_ch_offset = offset; |
| } |
| |
| void SelectChannel23a(struct rtw_adapter *padapter, unsigned char channel) |
| { |
| mutex_lock(&adapter_to_dvobj(padapter)->setch_mutex); |
| |
| /* saved channel info */ |
| rtw_set_oper_ch23a(padapter, channel); |
| |
| PHY_SwChnl8723A(padapter, channel); |
| |
| mutex_unlock(&adapter_to_dvobj(padapter)->setch_mutex); |
| } |
| |
| static void set_bwmode(struct rtw_adapter *padapter, unsigned short bwmode, |
| unsigned char channel_offset) |
| { |
| mutex_lock(&adapter_to_dvobj(padapter)->setbw_mutex); |
| |
| /* saved bw info */ |
| rtw_set_oper_bw23a(padapter, bwmode); |
| rtw_set_oper_ch23aoffset23a(padapter, channel_offset); |
| |
| PHY_SetBWMode23a8723A(padapter, (enum ht_channel_width)bwmode, |
| channel_offset); |
| |
| mutex_unlock(&adapter_to_dvobj(padapter)->setbw_mutex); |
| } |
| |
| void set_channel_bwmode23a(struct rtw_adapter *padapter, unsigned char channel, |
| unsigned char channel_offset, unsigned short bwmode) |
| { |
| u8 center_ch; |
| |
| if (padapter->bNotifyChannelChange) |
| DBG_8723A("[%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) { |
| /* SelectChannel23a(padapter, channel); */ |
| center_ch = channel; |
| } else { |
| /* switch to the proper channel */ |
| if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) { |
| /* SelectChannel23a(padapter, channel + 2); */ |
| center_ch = channel + 2; |
| } else { |
| /* SelectChannel23a(padapter, channel - 2); */ |
| center_ch = channel - 2; |
| } |
| } |
| |
| /* set Channel */ |
| mutex_lock(&adapter_to_dvobj(padapter)->setch_mutex); |
| |
| /* saved channel/bw info */ |
| rtw_set_oper_ch23a(padapter, channel); |
| rtw_set_oper_bw23a(padapter, bwmode); |
| rtw_set_oper_ch23aoffset23a(padapter, channel_offset); |
| |
| PHY_SwChnl8723A(padapter, center_ch); /* set center channel */ |
| |
| mutex_unlock(&adapter_to_dvobj(padapter)->setch_mutex); |
| |
| set_bwmode(padapter, bwmode, channel_offset); |
| } |
| |
| inline u8 *get_my_bssid23a(struct wlan_bssid_ex *pnetwork) |
| { |
| return pnetwork->MacAddress; |
| } |
| |
| u16 get_beacon_interval23a(struct wlan_bssid_ex *bss) |
| { |
| unsigned short val; |
| memcpy(&val, rtw_get_beacon_interval23a_from_ie(bss->IEs), 2); |
| |
| return le16_to_cpu(val); |
| } |
| |
| bool is_client_associated_to_ap23a(struct rtw_adapter *padapter) |
| { |
| struct mlme_ext_priv *pmlmeext; |
| struct mlme_ext_info *pmlmeinfo; |
| |
| if (!padapter) |
| return false; |
| |
| 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 false; |
| } |
| |
| bool is_client_associated_to_ibss23a(struct rtw_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 false; |
| } |
| |
| bool is_IBSS_empty23a(struct rtw_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 false; |
| } |
| |
| return true; |
| } |
| |
| unsigned int decide_wait_for_beacon_timeout23a(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_all23a(struct rtw_adapter *padapter) |
| { |
| rtl8723a_cam_invalid_all(padapter); |
| } |
| |
| void clear_cam_entry23a(struct rtw_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}; |
| |
| rtl8723a_cam_write(padapter, entry, 0, null_sta, null_key); |
| } |
| |
| int allocate_fw_sta_entry23a(struct rtw_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_entry23a(struct rtw_adapter *padapter) |
| { |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| |
| rtl8723a_cam_invalid_all(padapter); |
| |
| memset(pmlmeinfo->FW_sta_info, 0, sizeof(pmlmeinfo->FW_sta_info)); |
| } |
| |
| int WMM_param_handler23a(struct rtw_adapter *padapter, u8 *p) |
| { |
| /* 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->qos_option == 0) { |
| pmlmeinfo->WMM_enable = 0; |
| return _FAIL; |
| } |
| |
| pmlmeinfo->WMM_enable = 1; |
| memcpy(&pmlmeinfo->WMM_param, p + 2 + 6, |
| sizeof(struct WMM_para_element)); |
| return true; |
| } |
| |
| void WMMOnAssocRsp23a(struct rtw_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: |
| rtl8723a_set_ac_param_be(padapter, acParm); |
| acm_mask |= (ACM? BIT(1):0); |
| edca[XMIT_BE_QUEUE] = acParm; |
| break; |
| case 0x1: |
| rtl8723a_set_ac_param_bk(padapter, acParm); |
| /* acm_mask |= (ACM? BIT(0):0); */ |
| edca[XMIT_BK_QUEUE] = acParm; |
| break; |
| case 0x2: |
| rtl8723a_set_ac_param_vi(padapter, acParm); |
| acm_mask |= (ACM? BIT(2):0); |
| edca[XMIT_VI_QUEUE] = acParm; |
| break; |
| case 0x3: |
| rtl8723a_set_ac_param_vo(padapter, acParm); |
| acm_mask |= (ACM? BIT(3):0); |
| edca[XMIT_VO_QUEUE] = acParm; |
| break; |
| } |
| |
| DBG_8723A("WMM(%x): %x, %x\n", ACI, ACM, acParm); |
| } |
| |
| if (padapter->registrypriv.acm_method == 1) |
| rtl8723a_set_acm_ctrl(padapter, 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_8723A("wmm_para_seq(%d): %d\n", i, |
| pxmitpriv->wmm_para_seq[i]); |
| } |
| |
| return; |
| } |
| |
| static void bwmode_update_check(struct rtw_adapter *padapter, u8 *p) |
| { |
| struct ieee80211_ht_operation *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; |
| unsigned char new_bwmode; |
| unsigned char new_ch_offset; |
| |
| if (!p) |
| return; |
| if (!phtpriv->ht_option) |
| return; |
| if (p[1] != sizeof(struct ieee80211_ht_operation)) |
| return; |
| |
| pHT_info = (struct ieee80211_ht_operation *)(p + 2); |
| |
| if ((pHT_info->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) && |
| pregistrypriv->cbw40_enable) { |
| new_bwmode = HT_CHANNEL_WIDTH_40; |
| |
| switch (pHT_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET){ |
| case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: |
| new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; |
| break; |
| case IEEE80211_HT_PARAM_CHA_SEC_BELOW: |
| 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_handler23a(padapter, p); |
| } 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_bwmode23a(padapter, pmlmeext->cur_channel, |
| pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */ |
| |
| /* update ap's stainfo */ |
| psta = rtw_get_stainfo23a(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_handler23a(struct rtw_adapter *padapter, u8 *p) |
| { |
| 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; |
| struct ieee80211_ht_cap *cap; |
| u8 *dstcap; |
| |
| if (!p) |
| return; |
| |
| if (phtpriv->ht_option == false) |
| return; |
| |
| pmlmeinfo->HT_caps_enable = 1; |
| |
| cap = &pmlmeinfo->ht_cap; |
| dstcap = (u8 *)cap; |
| for (i = 0; i < p[1]; i++) { |
| if (i != 2) { |
| dstcap[i] &= p[i + 2]; |
| } else { |
| /* modify from fw by Thomas 2010/11/17 */ |
| if ((cap->ampdu_params_info & |
| IEEE80211_HT_AMPDU_PARM_FACTOR) > |
| (p[i + 2] & IEEE80211_HT_AMPDU_PARM_FACTOR)) |
| max_AMPDU_len = p[i + 2] & |
| IEEE80211_HT_AMPDU_PARM_FACTOR; |
| else |
| max_AMPDU_len = cap->ampdu_params_info & |
| IEEE80211_HT_AMPDU_PARM_FACTOR; |
| |
| if ((cap->ampdu_params_info & |
| IEEE80211_HT_AMPDU_PARM_DENSITY) > |
| (p[i + 2] & IEEE80211_HT_AMPDU_PARM_DENSITY)) |
| min_MPDU_spacing = cap->ampdu_params_info & |
| IEEE80211_HT_AMPDU_PARM_DENSITY; |
| else |
| min_MPDU_spacing = p[i + 2] & |
| IEEE80211_HT_AMPDU_PARM_DENSITY; |
| |
| cap->ampdu_params_info = |
| max_AMPDU_len | min_MPDU_spacing; |
| } |
| } |
| |
| rf_type = rtl8723a_get_rf_type(padapter); |
| |
| /* update the MCS rates */ |
| for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { |
| if (rf_type == RF_1T1R || rf_type == RF_1T2R) |
| cap->mcs.rx_mask[i] &= MCS_rate_1R23A[i]; |
| else |
| cap->mcs.rx_mask[i] &= MCS_rate_2R23A[i]; |
| } |
| return; |
| } |
| |
| void HT_info_handler23a(struct rtw_adapter *padapter, u8 *p) |
| { |
| 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 (!p) |
| return; |
| |
| if (phtpriv->ht_option == false) |
| return; |
| |
| if (p[1] != sizeof(struct ieee80211_ht_operation)) |
| return; |
| |
| pmlmeinfo->HT_info_enable = 1; |
| memcpy(&pmlmeinfo->HT_info, p + 2, p[1]); |
| return; |
| } |
| |
| void HTOnAssocRsp23a(struct rtw_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_8723A("%s\n", __func__); |
| |
| if (pmlmeinfo->HT_info_enable && pmlmeinfo->HT_caps_enable) |
| pmlmeinfo->HT_enable = 1; |
| else { |
| pmlmeinfo->HT_enable = 0; |
| /* set_channel_bwmode23a(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_cap.ampdu_params_info & |
| IEEE80211_HT_AMPDU_PARM_FACTOR; |
| |
| min_MPDU_spacing = |
| (pmlmeinfo->ht_cap.ampdu_params_info & |
| IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2; |
| |
| rtl8723a_set_ampdu_min_space(padapter, min_MPDU_spacing); |
| rtl8723a_set_ampdu_factor(padapter, max_AMPDU_len); |
| } |
| |
| void ERP_IE_handler23a(struct rtw_adapter *padapter, u8 *p) |
| { |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| |
| if (p[1] > 1) |
| return; |
| |
| pmlmeinfo->ERP_enable = 1; |
| memcpy(&pmlmeinfo->ERP_IE, p + 2, p[1]); |
| } |
| |
| void VCS_update23a(struct rtw_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_info23a(struct rtw_adapter *Adapter, |
| struct ieee80211_mgmt *mgmt, u32 pkt_len) |
| { |
| struct wlan_network *cur_network = &Adapter->mlmepriv.cur_network; |
| struct ieee80211_ht_operation *pht_info; |
| struct wlan_bssid_ex *bssid; |
| unsigned short val16; |
| u16 wpa_len = 0, rsn_len = 0; |
| u8 encryp_protocol; |
| int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0, r; |
| u32 bcn_channel; |
| int len, pie_len, ie_offset; |
| const u8 *p; |
| u8 *pie; |
| |
| if (is_client_associated_to_ap23a(Adapter) == false) |
| return true; |
| |
| if (unlikely(!ieee80211_is_beacon(mgmt->frame_control))) { |
| printk(KERN_WARNING "%s: received a non beacon frame!\n", |
| __func__); |
| return false; |
| } |
| |
| len = pkt_len - sizeof(struct ieee80211_hdr_3addr); |
| |
| if (len > MAX_IE_SZ) { |
| DBG_8723A("%s IE too long for survey event\n", __func__); |
| return _FAIL; |
| } |
| |
| if (memcmp(cur_network->network.MacAddress, mgmt->bssid, 6)) { |
| DBG_8723A("Oops: rtw_check_network_encrypt linked but recv " |
| "other bssid bcn\n" MAC_FMT MAC_FMT, |
| MAC_ARG(mgmt->bssid), |
| MAC_ARG(cur_network->network.MacAddress)); |
| return true; |
| } |
| |
| bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC); |
| if (!bssid) |
| return _FAIL; |
| |
| bssid->reserved = 1; |
| |
| bssid->Length = offsetof(struct wlan_bssid_ex, IEs) + len; |
| |
| /* below is to copy the information element */ |
| bssid->IELength = len; |
| memcpy(bssid->IEs, &mgmt->u, len); |
| |
| /* check bw and channel offset */ |
| /* parsing HT_CAP_IE */ |
| ie_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable) - |
| offsetof(struct ieee80211_mgmt, u); |
| pie = bssid->IEs + ie_offset; |
| pie_len = pkt_len - ie_offset; |
| |
| /* Checking for channel */ |
| p = cfg80211_find_ie(WLAN_EID_DS_PARAMS, pie, pie_len); |
| if (p) |
| bcn_channel = p[2]; |
| else { |
| /* In 5G, some ap do not have DSSET IE checking HT |
| info for channel */ |
| p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, pie, pie_len); |
| |
| if (p && p[1] > 0) { |
| pht_info = (struct ieee80211_ht_operation *)(p + 2); |
| bcn_channel = pht_info->primary_chan; |
| } else { /* we don't find channel IE, so don't check it */ |
| DBG_8723A("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_8723A("%s beacon channel:%d cur channel:%d disconnect\n", |
| __func__, bcn_channel, |
| Adapter->mlmeextpriv.cur_channel); |
| goto _mismatch; |
| } |
| |
| /* checking SSID */ |
| p = cfg80211_find_ie(WLAN_EID_SSID, pie, pie_len); |
| if (p && p[1]) { |
| memcpy(bssid->Ssid.ssid, p + 2, p[1]); |
| bssid->Ssid.ssid_len = p[1]; |
| } else { |
| DBG_8723A("%s marc: cannot find SSID for survey event\n", |
| __func__); |
| bssid->Ssid.ssid_len = 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.ssid_len, |
| cur_network->network.Ssid.ssid, |
| cur_network->network.Ssid.ssid_len)); |
| |
| if (memcmp(bssid->Ssid.ssid, cur_network->network.Ssid.ssid, 32) || |
| bssid->Ssid.ssid_len != cur_network->network.Ssid.ssid_len) { |
| if (bssid->Ssid.ssid[0] != '\0' && |
| bssid->Ssid.ssid_len != 0) { /* not hidden ssid */ |
| DBG_8723A("%s(), SSID is not match return FAIL\n", |
| __func__); |
| goto _mismatch; |
| } |
| } |
| |
| /* check encryption info */ |
| val16 = rtw_get_capability23a(bssid); |
| |
| if (val16 & WLAN_CAPABILITY_PRIVACY) |
| 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_8723A("%s(), privacy is not match return FAIL\n", __func__); |
| goto _mismatch; |
| } |
| |
| rtw_get_sec_ie23a(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; |
| else |
| encryp_protocol = ENCRYP_PROTOCOL_OPENSYS; |
| } |
| |
| if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) { |
| DBG_8723A("%s(): enctyp is not match, return FAIL\n", __func__); |
| goto _mismatch; |
| } |
| |
| if (encryp_protocol == ENCRYP_PROTOCOL_WPA || |
| encryp_protocol == ENCRYP_PROTOCOL_WPA2) { |
| p = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, |
| WLAN_OUI_TYPE_MICROSOFT_WPA, |
| pie, pie_len); |
| if (p && p[1] > 0) { |
| r = rtw_parse_wpa_ie23a(p, p[1] + 2, &group_cipher, |
| &pairwise_cipher, &is_8021x); |
| if (r == _SUCCESS) |
| 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 { |
| p = cfg80211_find_ie(WLAN_EID_RSN, pie, pie_len); |
| |
| if (p && p[1] > 0) { |
| r = rtw_parse_wpa2_ie23a(p, p[1] + 2, |
| &group_cipher, |
| &pairwise_cipher, |
| &is_8021x); |
| if (r == _SUCCESS) |
| 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_8723A("%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_8723A("%s authentication is not match, return " |
| "FAIL\n", __func__); |
| goto _mismatch; |
| } |
| } |
| |
| kfree(bssid); |
| return _SUCCESS; |
| |
| _mismatch: |
| kfree(bssid); |
| |
| return _FAIL; |
| } |
| |
| void update_beacon23a_info(struct rtw_adapter *padapter, u8 *pframe, |
| uint pkt_len, struct sta_info *psta) |
| { |
| unsigned int i; |
| unsigned int len; |
| u8 *p; |
| |
| len = pkt_len - |
| (_BEACON_IE_OFFSET_ + sizeof(struct ieee80211_hdr_3addr)); |
| |
| for (i = 0; i < len;) { |
| p = (u8 *)(pframe + (_BEACON_IE_OFFSET_ + sizeof(struct ieee80211_hdr_3addr)) + i); |
| |
| switch (p[0]) { |
| case WLAN_EID_HT_OPERATION: /* HT info */ |
| /* HT_info_handler23a(padapter, pIE); */ |
| bwmode_update_check(padapter, p); |
| break; |
| case WLAN_EID_ERP_INFO: |
| ERP_IE_handler23a(padapter, p); |
| VCS_update23a(padapter, psta); |
| break; |
| default: |
| break; |
| } |
| i += (p[1] + 2); |
| } |
| } |
| |
| bool is_ap_in_tkip23a(struct rtw_adapter *padapter) |
| { |
| u32 i; |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| struct wlan_bssid_ex *cur_network = &pmlmeinfo->network; |
| const u8 *p; |
| int bcn_fixed_size; |
| |
| bcn_fixed_size = offsetof(struct ieee80211_mgmt, u.beacon.variable) - |
| offsetof(struct ieee80211_mgmt, u.beacon); |
| |
| if (rtw_get_capability23a(cur_network) & WLAN_CAPABILITY_PRIVACY) { |
| for (i = bcn_fixed_size; i < pmlmeinfo->network.IELength;) { |
| p = pmlmeinfo->network.IEs + i; |
| |
| switch (p[0]) { |
| case WLAN_EID_VENDOR_SPECIFIC: |
| if (!memcmp(p + 2, RTW_WPA_OUI23A_TYPE, 4) && |
| !memcmp(p + 2 + 12, WPA_TKIP_CIPHER, 4)) |
| return true; |
| break; |
| case WLAN_EID_RSN: |
| if (!memcmp(p + 2 + 8, RSN_TKIP_CIPHER, 4)) |
| return true; |
| break; |
| default: |
| break; |
| } |
| i += (p[1] + 2); |
| } |
| return false; |
| } else |
| return false; |
| } |
| |
| bool should_forbid_n_rate23a(struct rtw_adapter * padapter) |
| { |
| u32 i; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct wlan_bssid_ex *cur_network = &pmlmepriv->cur_network.network; |
| const u8 *p; |
| int bcn_fixed_size; |
| |
| bcn_fixed_size = offsetof(struct ieee80211_mgmt, u.beacon.variable) - |
| offsetof(struct ieee80211_mgmt, u.beacon); |
| |
| if (rtw_get_capability23a(cur_network) & WLAN_CAPABILITY_PRIVACY) { |
| for (i = bcn_fixed_size; i < cur_network->IELength;) { |
| p = cur_network->IEs + i; |
| |
| switch (p[0]) { |
| case WLAN_EID_VENDOR_SPECIFIC: |
| if (!memcmp(p + 2, RTW_WPA_OUI23A_TYPE, 4) && |
| (!memcmp(p + 2 + 12, |
| WPA_CIPHER_SUITE_CCMP23A, 4) || |
| !memcmp(p + 2 + 16, |
| WPA_CIPHER_SUITE_CCMP23A, 4))) |
| return false; |
| break; |
| case WLAN_EID_RSN: |
| if (!memcmp(p + 2 + 8, |
| RSN_CIPHER_SUITE_CCMP23A, 4) || |
| !memcmp(p + 2 + 12, |
| RSN_CIPHER_SUITE_CCMP23A, 4)) |
| return false; |
| default: |
| break; |
| } |
| |
| i += (p[1] + 2); |
| } |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| bool is_ap_in_wep23a(struct rtw_adapter *padapter) |
| { |
| u32 i; |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| struct wlan_bssid_ex *cur_network = &pmlmeinfo->network; |
| const u8 *p; |
| int bcn_fixed_size; |
| |
| bcn_fixed_size = offsetof(struct ieee80211_mgmt, u.beacon.variable) - |
| offsetof(struct ieee80211_mgmt, u.beacon); |
| |
| if (rtw_get_capability23a(cur_network) & WLAN_CAPABILITY_PRIVACY) { |
| for (i = bcn_fixed_size; i < pmlmeinfo->network.IELength;) { |
| p = pmlmeinfo->network.IEs + i; |
| |
| switch (p[0]) { |
| case WLAN_EID_VENDOR_SPECIFIC: |
| if (!memcmp(p + 2, RTW_WPA_OUI23A_TYPE, 4)) |
| return false; |
| break; |
| case WLAN_EID_RSN: |
| return false; |
| |
| default: |
| break; |
| } |
| |
| i += (p[1] + 2); |
| } |
| |
| return true; |
| } else |
| return false; |
| } |
| |
| static int wifirate2_ratetbl_inx23a(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_rate23a(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_inx23a(*(ptn + i)); |
| } |
| return mask; |
| } |
| |
| unsigned int update_supported_rate23a(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_inx23a(*(ptn + i)); |
| return mask; |
| } |
| |
| unsigned int update_MSC_rate23a(struct ieee80211_ht_cap *pHT_caps) |
| { |
| unsigned int mask = 0; |
| |
| mask = pHT_caps->mcs.rx_mask[0] << 12 | |
| pHT_caps->mcs.rx_mask[1] << 20; |
| |
| return mask; |
| } |
| |
| int support_short_GI23a(struct rtw_adapter *padapter, |
| struct ieee80211_ht_cap *pHT_caps) |
| { |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| unsigned char bit_offset; |
| |
| 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 (pHT_caps->cap_info & cpu_to_le16(0x1 << bit_offset)) |
| return _SUCCESS; |
| else |
| return _FAIL; |
| } |
| |
| unsigned char get_highest_rate_idx23a(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_Entry23a(struct rtw_adapter *padapter, struct sta_info *psta) |
| { |
| rtw_hal_update_ra_mask23a(psta, 0); |
| } |
| |
| static void enable_rate_adaptive(struct rtw_adapter *padapter, |
| struct sta_info *psta) |
| { |
| Update_RA_Entry23a(padapter, psta); |
| } |
| |
| void set_sta_rate23a(struct rtw_adapter *padapter, struct sta_info *psta) |
| { |
| /* rate adaptive */ |
| enable_rate_adaptive(padapter, psta); |
| } |
| |
| /* Update RRSR and Rate for USERATE */ |
| void update_tx_basic_rate23a(struct rtw_adapter *padapter, u8 wirelessmode) |
| { |
| unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX]; |
| |
| memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX); |
| |
| if (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_rate23a(padapter, IEEE80211_CCK_RATE_1MB); |
| else |
| update_mgnt_tx_rate23a(padapter, IEEE80211_OFDM_RATE_6MB); |
| |
| HalSetBrateCfg23a(padapter, supported_rates); |
| } |
| |
| unsigned char check_assoc_AP23a(u8 *pframe, uint len) |
| { |
| int i, bcn_fixed_size; |
| u8 epigram_vendor_flag; |
| u8 ralink_vendor_flag; |
| const u8 *p; |
| epigram_vendor_flag = 0; |
| ralink_vendor_flag = 0; |
| |
| bcn_fixed_size = offsetof(struct ieee80211_mgmt, u.beacon.variable) - |
| offsetof(struct ieee80211_mgmt, u.beacon); |
| |
| for (i = bcn_fixed_size; i < len;) { |
| p = pframe + i; |
| |
| switch (p[0]) { |
| case WLAN_EID_VENDOR_SPECIFIC: |
| if (!memcmp(p + 2, ARTHEROS_OUI1, 3) || |
| !memcmp(p + 2, ARTHEROS_OUI2, 3)) { |
| DBG_8723A("link to Artheros AP\n"); |
| return HT_IOT_PEER_ATHEROS; |
| } else if (!memcmp(p + 2, BROADCOM_OUI1, 3) || |
| !memcmp(p + 2, BROADCOM_OUI2, 3) || |
| !memcmp(p + 2, BROADCOM_OUI2, 3)) { |
| DBG_8723A("link to Broadcom AP\n"); |
| return HT_IOT_PEER_BROADCOM; |
| } else if (!memcmp(p + 2, MARVELL_OUI, 3)) { |
| DBG_8723A("link to Marvell AP\n"); |
| return HT_IOT_PEER_MARVELL; |
| } else if (!memcmp(p + 2, RALINK_OUI, 3)) { |
| if (!ralink_vendor_flag) |
| ralink_vendor_flag = 1; |
| else { |
| DBG_8723A("link to Ralink AP\n"); |
| return HT_IOT_PEER_RALINK; |
| } |
| } else if (!memcmp(p + 2, CISCO_OUI, 3)) { |
| DBG_8723A("link to Cisco AP\n"); |
| return HT_IOT_PEER_CISCO; |
| } else if (!memcmp(p + 2, REALTEK_OUI, 3)) { |
| DBG_8723A("link to Realtek 96B\n"); |
| return HT_IOT_PEER_REALTEK; |
| } else if (!memcmp(p + 2, AIRGOCAP_OUI, 3)) { |
| DBG_8723A("link to Airgo Cap\n"); |
| return HT_IOT_PEER_AIRGO; |
| } else if (!memcmp(p + 2, EPIGRAM_OUI, 3)) { |
| epigram_vendor_flag = 1; |
| if (ralink_vendor_flag) { |
| DBG_8723A("link to Tenda W311R AP\n"); |
| return HT_IOT_PEER_TENDA; |
| } else |
| DBG_8723A("Capture EPIGRAM_OUI\n"); |
| } else |
| break; |
| default: |
| break; |
| } |
| |
| i += (p[1] + 2); |
| } |
| |
| if (ralink_vendor_flag && !epigram_vendor_flag) { |
| DBG_8723A("link to Ralink AP\n"); |
| return HT_IOT_PEER_RALINK; |
| } else if (ralink_vendor_flag && epigram_vendor_flag) { |
| DBG_8723A("link to Tenda W311R AP\n"); |
| return HT_IOT_PEER_TENDA; |
| } else { |
| DBG_8723A("link to new AP\n"); |
| return HT_IOT_PEER_UNKNOWN; |
| } |
| } |
| |
| void update_IOT_info23a(struct rtw_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 */ |
| rtl8723a_odm_support_ability_clr(padapter, (u32) |
| ~DYNAMIC_BB_DYNAMIC_TXPWR); |
| break; |
| case HT_IOT_PEER_REALTEK: |
| /* rtw_write16(padapter, 0x4cc, 0xffff); */ |
| /* rtw_write16(padapter, 0x546, 0x01c0); */ |
| /* disable high power */ |
| rtl8723a_odm_support_ability_clr(padapter, (u32) |
| ~DYNAMIC_BB_DYNAMIC_TXPWR); |
| break; |
| default: |
| pmlmeinfo->turboMode_cts2self = 0; |
| pmlmeinfo->turboMode_rtsen = 1; |
| break; |
| } |
| } |
| |
| void update_capinfo23a(struct rtw_adapter *Adapter, u16 updateCap) |
| { |
| struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| |
| if (updateCap & cShortPreamble) { |
| /* Short Preamble */ |
| if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { |
| /* PREAMBLE_LONG or PREAMBLE_AUTO */ |
| pmlmeinfo->preamble_mode = PREAMBLE_SHORT; |
| rtl8723a_ack_preamble(Adapter, true); |
| } |
| } else { /* Long Preamble */ |
| if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { |
| /* PREAMBLE_SHORT or PREAMBLE_AUTO */ |
| pmlmeinfo->preamble_mode = PREAMBLE_LONG; |
| rtl8723a_ack_preamble(Adapter, false); |
| } |
| } |
| 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; |
| } |
| } |
| rtl8723a_set_slot_time(Adapter, pmlmeinfo->slotTime); |
| } |
| |
| void update_wireless_mode23a(struct rtw_adapter *padapter) |
| { |
| int ratelen, network_type = 0; |
| 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_len23a(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_included23a(rate, ratelen) == true) |
| network_type |= WIRELESS_11B; |
| else if (cckrates_included23a(rate, ratelen) == true) |
| network_type |= WIRELESS_11BG; |
| else |
| network_type |= WIRELESS_11G; |
| } |
| |
| pmlmeext->cur_wireless_mode = |
| network_type & padapter->registrypriv.wireless_mode; |
| |
| /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */ |
| /* change this value if having IOT issues. */ |
| rtl8723a_set_resp_sifs(padapter, 0x08, 0x08, 0x0a, 0x0a); |
| |
| if (pmlmeext->cur_wireless_mode & WIRELESS_11B) |
| update_mgnt_tx_rate23a(padapter, IEEE80211_CCK_RATE_1MB); |
| else |
| update_mgnt_tx_rate23a(padapter, IEEE80211_OFDM_RATE_6MB); |
| } |
| |
| void update_bmc_sta_support_rate23a(struct rtw_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_rate23a(struct rtw_adapter *padapter, u8 *pvar_ie, |
| uint var_ie_len, int cam_idx) |
| { |
| int supportRateNum = 0; |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| const u8 *p; |
| |
| p = cfg80211_find_ie(WLAN_EID_SUPP_RATES, pvar_ie, var_ie_len); |
| if (!p) |
| return _FAIL; |
| |
| memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, p + 2, p[1]); |
| supportRateNum = p[1]; |
| |
| p = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, pvar_ie, var_ie_len); |
| if (p) |
| memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + |
| supportRateNum, p + 2, p[1]); |
| return _SUCCESS; |
| } |
| |
| void process_addba_req23a(struct rtw_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_stainfo23a(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]; |
| |
| preorder_ctrl->indicate_seq = 0xffff; |
| |
| preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq == true) ? |
| true : false; |
| } |
| } |