diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/core/rtw_wlan_util.c')
| -rw-r--r-- | drivers/staging/rtl8188eu/core/rtw_wlan_util.c | 1468 |
1 files changed, 1468 insertions, 0 deletions
diff --git a/drivers/staging/rtl8188eu/core/rtw_wlan_util.c b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c new file mode 100644 index 0000000..c985b14 --- /dev/null +++ b/drivers/staging/rtl8188eu/core/rtw_wlan_util.c @@ -0,0 +1,1468 @@ +// SPDX-License-Identifier: GPL-2.0 +/****************************************************************************** + * + * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ +#define _RTW_WLAN_UTIL_C_ + +#include <linux/ieee80211.h> + +#include <osdep_service.h> +#include <drv_types.h> +#include <wifi.h> + +static const u8 ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f}; +static const u8 ARTHEROS_OUI2[] = {0x00, 0x13, 0x74}; + +static const u8 BROADCOM_OUI1[] = {0x00, 0x10, 0x18}; +static const u8 BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7}; + +static const u8 CISCO_OUI[] = {0x00, 0x40, 0x96}; +static const u8 MARVELL_OUI[] = {0x00, 0x50, 0x43}; +static const u8 RALINK_OUI[] = {0x00, 0x0c, 0x43}; +static const u8 REALTEK_OUI[] = {0x00, 0xe0, 0x4c}; +static const u8 AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5}; +static const u8 EPIGRAM_OUI[] = {0x00, 0x90, 0x4c}; + +u8 REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20}; + +#define WAIT_FOR_BCN_TO_MIN (6000) +#define WAIT_FOR_BCN_TO_MAX (20000) + +static const 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 const 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 const 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 +}; + +bool cckrates_included(unsigned char *rate, int ratelen) +{ + int i; + + for (i = 0; i < ratelen; i++) { + u8 r = rate[i] & 0x7f; + + if (r == 2 || r == 4 || r == 11 || r == 22) + return true; + } + return false; +} + +bool cckratesonly_included(unsigned char *rate, int ratelen) +{ + int i; + + for (i = 0; i < ratelen; i++) { + u8 r = rate[i] & 0x7f; + + if (r != 2 && r != 4 && r != 11 && r != 22) + return false; + } + return true; +} + +unsigned char networktype_to_raid(unsigned char network_type) +{ + switch (network_type) { + case WIRELESS_11B: + return RATR_INX_WIRELESS_B; + case WIRELESS_11A: + case WIRELESS_11G: + return RATR_INX_WIRELESS_G; + case WIRELESS_11BG: + return RATR_INX_WIRELESS_GB; + case WIRELESS_11_24N: + case WIRELESS_11_5N: + return RATR_INX_WIRELESS_N; + case WIRELESS_11A_5N: + case WIRELESS_11G_24N: + return RATR_INX_WIRELESS_NG; + case WIRELESS_11BG_24N: + return RATR_INX_WIRELESS_NGB; + default: + return RATR_INX_WIRELESS_GB; + } +} + +u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen) +{ + u8 network_type = 0; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + if (pmlmeinfo->HT_enable) + network_type = WIRELESS_11_24N; + + if (cckratesonly_included(rate, ratelen)) + network_type |= WIRELESS_11B; + else if (cckrates_included(rate, ratelen)) + network_type |= WIRELESS_11BG; + else + network_type |= WIRELESS_11G; + + return network_type; +} + +static unsigned char ratetbl_val_2wifirate(unsigned char rate) +{ + switch (rate & 0x7f) { + case 0: + return IEEE80211_CCK_RATE_1MB; + case 1: + return IEEE80211_CCK_RATE_2MB; + case 2: + return IEEE80211_CCK_RATE_5MB; + case 3: + return IEEE80211_CCK_RATE_11MB; + case 4: + return IEEE80211_OFDM_RATE_6MB; + case 5: + return IEEE80211_OFDM_RATE_9MB; + case 6: + return IEEE80211_OFDM_RATE_12MB; + case 7: + return IEEE80211_OFDM_RATE_18MB; + case 8: + return IEEE80211_OFDM_RATE_24MB; + case 9: + return IEEE80211_OFDM_RATE_36MB; + case 10: + return IEEE80211_OFDM_RATE_48MB; + case 11: + return IEEE80211_OFDM_RATE_54MB; + default: + return 0; + } +} + +static bool is_basicrate(struct adapter *padapter, unsigned char rate) +{ + int i; + unsigned char val; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + for (i = 0; i < NumRates; i++) { + val = pmlmeext->basicrate[i]; + + if ((val != 0xff) && (val != 0xfe)) { + if (rate == ratetbl_val_2wifirate(val)) + return true; + } + } + return false; +} + +static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset) +{ + int i; + unsigned char rate; + unsigned int len = 0; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + for (i = 0; i < NumRates; i++) { + rate = pmlmeext->datarate[i]; + + switch (rate) { + case 0xff: + return len; + case 0xfe: + continue; + default: + rate = ratetbl_val_2wifirate(rate); + + if (is_basicrate(padapter, rate)) + rate |= IEEE80211_BASIC_RATE_MASK; + + rateset[len] = rate; + len++; + break; + } + } + return len; +} + +void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len) +{ + unsigned char supportedrates[NumRates]; + + memset(supportedrates, 0, NumRates); + *bssrate_len = ratetbl2rateset(padapter, supportedrates); + memcpy(pbssrate, supportedrates, *bssrate_len); +} + +void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate) +{ + u8 i; + u8 rate; + + /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */ + for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) { + rate = mbrate[i] & 0x7f; + switch (rate) { + case IEEE80211_CCK_RATE_1MB: + case IEEE80211_CCK_RATE_2MB: + case IEEE80211_CCK_RATE_5MB: + case IEEE80211_CCK_RATE_11MB: + case IEEE80211_OFDM_RATE_6MB: + case IEEE80211_OFDM_RATE_12MB: + case IEEE80211_OFDM_RATE_24MB: + mbrate[i] |= IEEE80211_BASIC_RATE_MASK; + break; + } + } +} + +void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen) +{ + u8 i; + u8 rate; + + for (i = 0; i < bssratelen; i++) { + rate = bssrateset[i] & 0x7f; + switch (rate) { + case IEEE80211_CCK_RATE_1MB: + case IEEE80211_CCK_RATE_2MB: + case IEEE80211_CCK_RATE_5MB: + case IEEE80211_CCK_RATE_11MB: + bssrateset[i] |= IEEE80211_BASIC_RATE_MASK; + break; + } + } +} + +void Save_DM_Func_Flag(struct adapter *padapter) +{ + u8 saveflag = true; + + rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag)); +} + +void Restore_DM_Func_Flag(struct adapter *padapter) +{ + u8 saveflag = false; + + rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag)); +} + +void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable) +{ + if (enable) + rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode)); + else + rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode)); +} + +void Set_MSR(struct adapter *padapter, u8 type) +{ + rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type)); +} + +inline u8 rtw_get_oper_ch(struct adapter *adapter) +{ + return adapter->mlmeextpriv.oper_channel; +} + +inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch) +{ + adapter->mlmeextpriv.oper_channel = ch; +} + +inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw) +{ + adapter->mlmeextpriv.oper_bwmode = bw; +} + +inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset) +{ + adapter->mlmeextpriv.oper_ch_offset = offset; +} + +void SelectChannel(struct adapter *padapter, unsigned char channel) +{ + /* saved channel info */ + rtw_set_oper_ch(padapter, channel); + rtw_hal_set_chan(padapter, channel); +} + +void SetBWMode(struct adapter *padapter, unsigned short bwmode, + unsigned char channel_offset) +{ + /* saved bw info */ + rtw_set_oper_bw(padapter, bwmode); + rtw_set_oper_choffset(padapter, channel_offset); + + rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset); +} + +void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode) +{ + u8 center_ch; + + if ((bwmode == HT_CHANNEL_WIDTH_20) || + (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) { + /* SelectChannel(padapter, channel); */ + center_ch = channel; + } else { + /* switch to the proper channel */ + if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) { + /* SelectChannel(padapter, channel + 2); */ + center_ch = channel + 2; + } else { + /* SelectChannel(padapter, channel - 2); */ + center_ch = channel - 2; + } + } + + /* set Channel */ + /* saved channel/bw info */ + rtw_set_oper_ch(padapter, channel); + rtw_set_oper_bw(padapter, bwmode); + rtw_set_oper_choffset(padapter, channel_offset); + + rtw_hal_set_chan(padapter, center_ch); /* set center channel */ + SetBWMode(padapter, bwmode, channel_offset); +} + +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) +{ + rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL); +} + +void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key) +{ + unsigned int i, val, addr; + int j; + u32 cam_val[2]; + + addr = entry << 3; + + for (j = 5; j >= 0; j--) { + switch (j) { + case 0: + val = ctrl | (mac[0] << 16) | (mac[1] << 24); + break; + case 1: + val = mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24); + break; + default: + i = (j - 2) << 2; + val = key[i] | (key[i + 1] << 8) | (key[i + 2] << 16) | + (key[i + 3] << 24); + break; + } + + cam_val[0] = val; + cam_val[1] = addr + (unsigned int)j; + + rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val); + } +} + +void clear_cam_entry(struct adapter *padapter, u8 entry) +{ + u8 null_sta[ETH_ALEN] = {}; + u8 null_key[16] = {}; + + write_cam(padapter, entry, 0, null_sta, null_key); +} + +int allocate_fw_sta_entry(struct adapter *padapter) +{ + unsigned int mac_id; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) { + if (pmlmeinfo->FW_sta_info[mac_id].status == 0) { + pmlmeinfo->FW_sta_info[mac_id].status = 1; + pmlmeinfo->FW_sta_info[mac_id].retry = 0; + break; + } + } + + return mac_id; +} + +void flush_all_cam_entry(struct adapter *padapter) +{ + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL); + + memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info)); +} + +int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + if (pmlmepriv->qospriv.qos_option == 0) { + pmlmeinfo->WMM_enable = 0; + return _FAIL; + } + + pmlmeinfo->WMM_enable = 1; + memcpy(&pmlmeinfo->WMM_param, pIE->data + 6, sizeof(struct WMM_para_element)); + return true; +} + +void WMMOnAssocRsp(struct adapter *padapter) +{ + u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime; + u8 acm_mask; + u16 TXOP; + u32 acParm, i; + u32 edca[4], inx[4]; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct xmit_priv *pxmitpriv = &padapter->xmitpriv; + struct registry_priv *pregpriv = &padapter->registrypriv; + + if (pmlmeinfo->WMM_enable == 0) { + padapter->mlmepriv.acm_mask = 0; + return; + } + + acm_mask = 0; + + if (pmlmeext->cur_wireless_mode == WIRELESS_11B) + aSifsTime = 10; + else + aSifsTime = 16; + + for (i = 0; i < 4; i++) { + ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03; + ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01; + + /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */ + AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime; + + ECWMin = pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f; + ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4; + TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit); + + acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16); + + switch (ACI) { + case 0x0: + rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm)); + acm_mask |= (ACM ? BIT(1) : 0); + edca[XMIT_BE_QUEUE] = acParm; + break; + case 0x1: + rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm)); + edca[XMIT_BK_QUEUE] = acParm; + break; + case 0x2: + rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm)); + acm_mask |= (ACM ? BIT(2) : 0); + edca[XMIT_VI_QUEUE] = acParm; + break; + case 0x3: + rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm)); + acm_mask |= (ACM ? BIT(3) : 0); + edca[XMIT_VO_QUEUE] = acParm; + break; + } + + DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm); + } + + if (padapter->registrypriv.acm_method == 1) + rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask)); + else + padapter->mlmepriv.acm_mask = acm_mask; + + inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3; + + if (pregpriv->wifi_spec == 1) { + u32 j, 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) { + swap(edca[i], edca[j]); + swap(inx[i], inx[j]); + change_inx = false; + } + } + } + } + + for (i = 0; i < 4; i++) { + pxmitpriv->wmm_para_seq[i] = inx[i]; + DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]); + } +} + +static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) +{ + unsigned char new_bwmode; + unsigned char new_ch_offset; + struct HT_info_element *pHT_info; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct registry_priv *pregistrypriv = &padapter->registrypriv; + struct ht_priv *phtpriv = &pmlmepriv->htpriv; + + if (!pIE) + return; + + if (!phtpriv) + return; + + if (pIE->Length > sizeof(struct HT_info_element)) + return; + + pHT_info = (struct HT_info_element *)pIE->data; + + if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) { + new_bwmode = HT_CHANNEL_WIDTH_40; + + switch (pHT_info->infos[0] & 0x3) { + case 1: + new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; + break; + case 3: + new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; + break; + default: + new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + break; + } + } else { + new_bwmode = HT_CHANNEL_WIDTH_20; + new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + } + + if ((new_bwmode != pmlmeext->cur_bwmode) || + (new_ch_offset != pmlmeext->cur_ch_offset)) { + pmlmeinfo->bwmode_updated = true; + + pmlmeext->cur_bwmode = new_bwmode; + pmlmeext->cur_ch_offset = new_ch_offset; + + /* update HT info also */ + HT_info_handler(padapter, pIE); + } else { + pmlmeinfo->bwmode_updated = false; + } + + if (pmlmeinfo->bwmode_updated) { + struct sta_info *psta; + struct wlan_bssid_ex *cur_network = &pmlmeinfo->network; + struct sta_priv *pstapriv = &padapter->stapriv; + + /* update ap's stainfo */ + psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress); + if (psta) { + struct ht_priv *phtpriv_sta = &psta->htpriv; + + if (phtpriv_sta->ht_option) { + /* bwmode */ + phtpriv_sta->bwmode = pmlmeext->cur_bwmode; + phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; + } else { + phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20; + phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + } + } + } +} + +void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) +{ + unsigned int i; + u8 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; + u8 *HT_cap = (u8 *)(&pmlmeinfo->HT_caps); + + if (!pIE) + return; + + if (!phtpriv->ht_option) + return; + + pmlmeinfo->HT_caps_enable = 1; + + for (i = 0; i < (pIE->Length); i++) { + if (i != 2) { + /* Got the endian issue here. */ + HT_cap[i] &= (pIE->data[i]); + } else { + /* modify from fw by Thomas 2010/11/17 */ + if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x3) > (pIE->data[i] & 0x3)) + max_AMPDU_len = pIE->data[i] & 0x3; + else + max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x3; + + if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) > (pIE->data[i] & 0x1c)) + min_MPDU_spacing = pmlmeinfo->HT_caps.ampdu_params_info & 0x1c; + else + min_MPDU_spacing = pIE->data[i] & 0x1c; + + pmlmeinfo->HT_caps.ampdu_params_info = max_AMPDU_len | min_MPDU_spacing; + } + } + + /* update the MCS rates */ + for (i = 0; i < 16; i++) + ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i]; +} + +void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) +{ + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct ht_priv *phtpriv = &pmlmepriv->htpriv; + + if (!pIE) + return; + + if (!phtpriv->ht_option) + return; + + if (pIE->Length > sizeof(struct HT_info_element)) + return; + + pmlmeinfo->HT_info_enable = 1; + memcpy(&pmlmeinfo->HT_info, pIE->data, pIE->Length); +} + +void HTOnAssocRsp(struct adapter *padapter) +{ + unsigned char max_AMPDU_len; + unsigned char min_MPDU_spacing; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + DBG_88E("%s\n", __func__); + + if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) { + pmlmeinfo->HT_enable = 1; + } else { + pmlmeinfo->HT_enable = 0; + return; + } + + /* handle A-MPDU parameter field + * + * AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k + * AMPDU_para [4:2]:Min MPDU Start Spacing + */ + max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03; + + min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2; + + rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing)); + + rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len)); +} + +void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE) +{ + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + if (pIE->Length > 1) + return; + + pmlmeinfo->ERP_enable = 1; + memcpy(&pmlmeinfo->ERP_IE, pIE->data, pIE->Length); +} + +void VCS_update(struct adapter *padapter, struct sta_info *psta) +{ + struct registry_priv *pregpriv = &padapter->registrypriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + switch (pregpriv->vrtl_carrier_sense) { /* 0:off 1:on 2:auto */ + case 0: /* off */ + psta->rtsen = 0; + psta->cts2self = 0; + break; + case 1: /* on */ + if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */ + psta->rtsen = 1; + psta->cts2self = 0; + } else { + psta->rtsen = 0; + psta->cts2self = 1; + } + break; + case 2: /* auto */ + default: + if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) { + if (pregpriv->vcs_type == 1) { + psta->rtsen = 1; + psta->cts2self = 0; + } else { + psta->rtsen = 0; + psta->cts2self = 1; + } + } else { + psta->rtsen = 0; + psta->cts2self = 0; + } + break; + } +} + +int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len) +{ + unsigned int len; + unsigned char *p; + unsigned short val16, subtype; + struct wlan_network *cur_network = &Adapter->mlmepriv.cur_network; + 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); + struct HT_info_element *pht_info = NULL; + u32 bcn_channel; + unsigned short ht_cap_info; + unsigned char ht_info_infos_0; + int ssid_len; + + if (!is_client_associated_to_ap(Adapter)) + return true; + + len = packet_len - sizeof(struct ieee80211_hdr_3addr); + + if (len > MAX_IE_SZ) { + DBG_88E("%s IE too long for survey event\n", __func__); + return _FAIL; + } + + if (memcmp(cur_network->network.MacAddress, pbssid, 6)) { + DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n", + (pbssid), (cur_network->network.MacAddress)); + return true; + } + + bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC); + if (!bssid) + return _FAIL; + + 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->ie_length = len; + memcpy(bssid->ies, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->ie_length); + + /* check bw and channel offset */ + /* parsing HT_CAP_IE */ + p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->ie_length - _FIXED_IE_LENGTH_); + if (p && len > 0) { + struct ieee80211_ht_cap *ht_cap = + (struct ieee80211_ht_cap *)(p + 2); + + ht_cap_info = le16_to_cpu(ht_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->ie_length - _FIXED_IE_LENGTH_); + if (p && len > 0) { + pht_info = (struct HT_info_element *)(p + 2); + ht_info_infos_0 = pht_info->infos[0]; + } else { + ht_info_infos_0 = 0; + } + if (ht_cap_info != cur_network->BcnInfo.ht_cap_info || + ((ht_info_infos_0 & 0x03) != (cur_network->BcnInfo.ht_info_infos_0 & 0x03))) { + DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__, + ht_cap_info, ht_info_infos_0); + DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__, + cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0); + DBG_88E("%s bw mode change, disconnect\n", __func__); + /* bcn_info_update */ + cur_network->BcnInfo.ht_cap_info = ht_cap_info; + cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0; + /* to do : need to check that whether modify related register of BB or not */ + /* goto _mismatch; */ + } + + /* Checking for channel */ + p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->ie_length - _FIXED_IE_LENGTH_); + if (p) { + bcn_channel = *(p + 2); + } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */ + p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->ie_length - _FIXED_IE_LENGTH_); + if (pht_info) { + bcn_channel = pht_info->primary_channel; + } else { /* we don't find channel IE, so don't check it */ + DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__); + bcn_channel = Adapter->mlmeextpriv.cur_channel; + } + } + if (bcn_channel != Adapter->mlmeextpriv.cur_channel) { + DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__, + bcn_channel, Adapter->mlmeextpriv.cur_channel); + goto _mismatch; + } + + /* checking SSID */ + ssid_len = 0; + p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->ie_length - _FIXED_IE_LENGTH_); + if (p) { + ssid_len = *(p + 1); + if (ssid_len > NDIS_802_11_LENGTH_SSID) + ssid_len = 0; + } + memcpy(bssid->ssid.ssid, (p + 2), ssid_len); + bssid->ssid.ssid_length = ssid_len; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.ssid.ssid:%s bssid.ssid.ssid_length:%d " + "cur_network->network.ssid.ssid:%s len:%d\n", __func__, bssid->ssid.ssid, + bssid->ssid.ssid_length, cur_network->network.ssid.ssid, + cur_network->network.ssid.ssid_length)); + + if (memcmp(bssid->ssid.ssid, cur_network->network.ssid.ssid, 32) || + bssid->ssid.ssid_length != cur_network->network.ssid.ssid_length) { + if (bssid->ssid.ssid[0] != '\0' && bssid->ssid.ssid_length != 0) { /* not hidden ssid */ + DBG_88E("%s(), SSID is not match return FAIL\n", __func__); + goto _mismatch; + } + } + + /* check encryption info */ + val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid); + + if (val16 & BIT(4)) + bssid->Privacy = 1; + else + bssid->Privacy = 0; + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, + ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n", + __func__, cur_network->network.Privacy, bssid->Privacy)); + if (cur_network->network.Privacy != bssid->Privacy) { + DBG_88E("%s(), privacy is not match return FAIL\n", __func__); + goto _mismatch; + } + + rtw_get_sec_ie(bssid->ies, bssid->ie_length, NULL, &rsn_len, NULL, &wpa_len); + + if (rsn_len > 0) { + encryp_protocol = ENCRYP_PROTOCOL_WPA2; + } else if (wpa_len > 0) { + encryp_protocol = ENCRYP_PROTOCOL_WPA; + } else { + if (bssid->Privacy) + encryp_protocol = ENCRYP_PROTOCOL_WEP; + } + + if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) { + DBG_88E("%s(): encryption protocol is not match , return FAIL\n", __func__); + goto _mismatch; + } + + if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) { + pbuf = rtw_get_wpa_ie(&bssid->ies[12], &wpa_ielen, + bssid->ie_length - 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->ie_length - 12); + + if (pbuf && (wpa_ielen > 0)) { + if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher, &pairwise_cipher, &is_8021x)) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, + ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n", + __func__, pairwise_cipher, group_cipher, is_8021x)); + } + } + } + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, + ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher)); + if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) { + DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__, + pairwise_cipher, cur_network->BcnInfo.pairwise_cipher, + group_cipher, cur_network->BcnInfo.group_cipher); + goto _mismatch; + } + + if (is_8021x != cur_network->BcnInfo.is_8021x) { + DBG_88E("%s authentication is not match , return FAIL\n", __func__); + goto _mismatch; + } + } + + kfree(bssid); + return _SUCCESS; + +_mismatch: + kfree(bssid); + return _FAIL; +} + +void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta) +{ + unsigned int i; + unsigned int len; + struct ndis_802_11_var_ie *pIE; + + len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN); + + for (i = 0; i < len;) { + pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i); + + switch (pIE->ElementID) { + case _HT_EXTRA_INFO_IE_: /* HT info */ + bwmode_update_check(padapter, pIE); + break; + case _ERPINFO_IE_: + ERP_IE_handler(padapter, pIE); + VCS_update(padapter, psta); + break; + default: + break; + } + + i += (pIE->Length + 2); + } +} + +unsigned int is_ap_in_tkip(struct adapter *padapter) +{ + u32 i; + struct ndis_802_11_var_ie *pIE; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct wlan_bssid_ex *cur_network = &pmlmeinfo->network; + + if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) { + for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.ie_length;) { + pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.ies + i); + + switch (pIE->ElementID) { + case _VENDOR_SPECIFIC_IE_: + if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4))) + return true; + break; + case _RSN_IE_2_: + if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4)) + return true; + default: + break; + } + + i += (pIE->Length + 2); + } + return false; + } else { + return false; + } +} + +static int wifirate2_ratetbl_inx(unsigned char rate) +{ + rate = rate & 0x7f; + + switch (rate) { + case 108: + return 11; + case 96: + return 10; + case 72: + return 9; + case 48: + return 8; + case 36: + return 7; + case 24: + return 6; + case 18: + return 5; + case 12: + return 4; + case 22: + return 3; + case 11: + return 2; + case 4: + return 1; + case 2: + return 0; + default: + return 0; + } +} + +unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz) +{ + unsigned int i, num_of_rate; + unsigned int mask = 0; + + num_of_rate = min_t(unsigned int, ptn_sz, NumRates); + + for (i = 0; i < num_of_rate; i++) { + if ((*(ptn + i)) & 0x80) + mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i)); + } + return mask; +} + +unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz) +{ + unsigned int i, num_of_rate; + unsigned int mask = 0; + + num_of_rate = min_t(unsigned int, ptn_sz, NumRates); + + for (i = 0; i < num_of_rate; i++) + mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i)); + return mask; +} + +unsigned int update_MSC_rate(struct ieee80211_ht_cap *pHT_caps) +{ + return (pHT_caps->mcs.rx_mask[0] << 12) | + (pHT_caps->mcs.rx_mask[1] << 20); +} + +int support_short_GI(struct adapter *padapter, struct ieee80211_ht_cap *pHT_caps) +{ + unsigned char bit_offset; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + if (!(pmlmeinfo->HT_enable)) + return _FAIL; + + if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK) + return _FAIL; + + bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5; + + if (__le16_to_cpu(pHT_caps->cap_info) & (0x1 << bit_offset)) + return _SUCCESS; + else + return _FAIL; +} + +unsigned char get_highest_rate_idx(u32 mask) +{ + int i; + unsigned char rate_idx = 0; + + for (i = 27; i >= 0; i--) { + if (mask & BIT(i)) { + rate_idx = i; + break; + } + } + return rate_idx; +} + +void Update_RA_Entry(struct adapter *padapter, u32 mac_id) +{ + rtw_hal_update_ra_mask(padapter, mac_id, 0); +} + +void set_sta_rate(struct adapter *padapter, struct sta_info *psta) +{ + /* rate adaptive */ + Update_RA_Entry(padapter, psta->mac_id); +} + +/* Update RRSR and Rate for USERATE */ +void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode) +{ + unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX]; + + memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX); + + if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B)) + memcpy(supported_rates, rtw_basic_rate_cck, 4); + else if (wirelessmode & WIRELESS_11B) + memcpy(supported_rates, rtw_basic_rate_mix, 7); + else + memcpy(supported_rates, rtw_basic_rate_ofdm, 3); + + if (wirelessmode & WIRELESS_11B) + update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB); + else + update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB); + + rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates); +} + +unsigned char check_assoc_AP(u8 *pframe, uint len) +{ + unsigned int i; + struct ndis_802_11_var_ie *pIE; + u8 epigram_vendor_flag; + u8 ralink_vendor_flag; + + epigram_vendor_flag = 0; + ralink_vendor_flag = 0; + + for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) { + pIE = (struct ndis_802_11_var_ie *)(pframe + i); + + switch (pIE->ElementID) { + case _VENDOR_SPECIFIC_IE_: + if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || + (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) { + DBG_88E("link to Artheros AP\n"); + return HT_IOT_PEER_ATHEROS; + } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) || + (!memcmp(pIE->data, BROADCOM_OUI2, 3))) { + DBG_88E("link to Broadcom AP\n"); + return HT_IOT_PEER_BROADCOM; + } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) { + DBG_88E("link to Marvell AP\n"); + return HT_IOT_PEER_MARVELL; + } else if (!memcmp(pIE->data, RALINK_OUI, 3)) { + if (!ralink_vendor_flag) { + ralink_vendor_flag = 1; + } else { + DBG_88E("link to Ralink AP\n"); + return HT_IOT_PEER_RALINK; + } + } else if (!memcmp(pIE->data, CISCO_OUI, 3)) { + DBG_88E("link to Cisco AP\n"); + return HT_IOT_PEER_CISCO; + } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) { + DBG_88E("link to Realtek 96B\n"); + return HT_IOT_PEER_REALTEK; + } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) { + DBG_88E("link to Airgo Cap\n"); + return HT_IOT_PEER_AIRGO; + } else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) { + epigram_vendor_flag = 1; + if (ralink_vendor_flag) { + DBG_88E("link to Tenda W311R AP\n"); + return HT_IOT_PEER_TENDA; + } else { + DBG_88E("Capture EPIGRAM_OUI\n"); + } + } else { + break; + } + + default: + break; + } + i += (pIE->Length + 2); + } + + if (ralink_vendor_flag && !epigram_vendor_flag) { + DBG_88E("link to Ralink AP\n"); + return HT_IOT_PEER_RALINK; + } else if (ralink_vendor_flag && epigram_vendor_flag) { + DBG_88E("link to Tenda W311R AP\n"); + return HT_IOT_PEER_TENDA; + } else { + DBG_88E("link to new AP\n"); + return HT_IOT_PEER_UNKNOWN; + } +} + +void update_IOT_info(struct adapter *padapter) +{ + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + switch (pmlmeinfo->assoc_AP_vendor) { + case HT_IOT_PEER_MARVELL: + pmlmeinfo->turboMode_cts2self = 1; + pmlmeinfo->turboMode_rtsen = 0; + break; + case HT_IOT_PEER_RALINK: + pmlmeinfo->turboMode_cts2self = 0; + pmlmeinfo->turboMode_rtsen = 1; + /* disable high power */ + Switch_DM_Func(padapter, (u32)(~DYNAMIC_BB_DYNAMIC_TXPWR), + false); + break; + case HT_IOT_PEER_REALTEK: + /* disable high power */ + Switch_DM_Func(padapter, (u32)(~DYNAMIC_BB_DYNAMIC_TXPWR), + false); + break; + default: + pmlmeinfo->turboMode_cts2self = 0; + pmlmeinfo->turboMode_rtsen = 1; + break; + } +} + +void update_capinfo(struct adapter *Adapter, u16 updateCap) +{ + struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + bool ShortPreamble; + + /* Check preamble mode, 2005.01.06, by rcnjko. */ + /* Mark to update preamble value forever, 2008.03.18 by lanhsin */ + + if (updateCap & cShortPreamble) { /* Short Preamble */ + if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */ + ShortPreamble = true; + pmlmeinfo->preamble_mode = PREAMBLE_SHORT; + rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); + } + } else { /* Long Preamble */ + if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */ + ShortPreamble = false; + pmlmeinfo->preamble_mode = PREAMBLE_LONG; + rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble); + } + } + + if (updateCap & cIBSS) { + /* Filen: See 802.11-2007 p.91 */ + pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; + } else { /* Filen: See 802.11-2007 p.90 */ + if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) { + if (updateCap & cShortSlotTime) { /* Short Slot Time */ + if (pmlmeinfo->slotTime != SHORT_SLOT_TIME) + pmlmeinfo->slotTime = SHORT_SLOT_TIME; + } else { /* Long Slot Time */ + if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME) + pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; + } + } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) { + pmlmeinfo->slotTime = SHORT_SLOT_TIME; + } else { + /* B Mode */ + pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME; + } + } + + rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime); +} + +void update_wireless_mode(struct adapter *padapter) +{ + int ratelen, network_type = 0; + u32 SIFS_Timer; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct wlan_bssid_ex *cur_network = &pmlmeinfo->network; + unsigned char *rate = cur_network->SupportedRates; + + ratelen = rtw_get_rateset_len(cur_network->SupportedRates); + + if (pmlmeinfo->HT_info_enable && pmlmeinfo->HT_caps_enable) + pmlmeinfo->HT_enable = 1; + + if (pmlmeinfo->HT_enable) + network_type = WIRELESS_11_24N; + + if (cckratesonly_included(rate, ratelen)) + network_type |= WIRELESS_11B; + else if (cckrates_included(rate, ratelen)) + 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. */ + + rtw_hal_set_hwreg(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer); + + update_mgnt_tx_rate(padapter, + pmlmeext->cur_wireless_mode & WIRELESS_11B ? + IEEE80211_CCK_RATE_1MB : IEEE80211_OFDM_RATE_6MB); +} + +void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id) +{ + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + if (pmlmeext->cur_wireless_mode & WIRELESS_11B) { + /* Only B, B/G, and B/G/N AP could use CCK rate */ + memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4); + } else { + memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3); + } +} + +int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx) +{ + unsigned int ie_len; + struct ndis_802_11_var_ie *pIE; + int supportRateNum = 0; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len); + if (!pIE) + return _FAIL; + if (ie_len > NDIS_802_11_LENGTH_RATES_EX) + return _FAIL; + + memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len); + supportRateNum = ie_len; + + pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len); + if (pIE) { + if (supportRateNum + ie_len > NDIS_802_11_LENGTH_RATES_EX) + return _FAIL; + memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len); + } + + return _SUCCESS; +} + +void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr) +{ + struct sta_info *psta; + u16 tid; + u16 param; + struct recv_reorder_ctrl *preorder_ctrl; + struct sta_priv *pstapriv = &padapter->stapriv; + struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + psta = rtw_get_stainfo(pstapriv, addr); + + if (psta) { + param = le16_to_cpu(preq->BA_para_set); + tid = (param >> 2) & 0x0f; + preorder_ctrl = &psta->recvreorder_ctrl[tid]; + preorder_ctrl->indicate_seq = 0xffff; + preorder_ctrl->enable = pmlmeinfo->accept_addba_req; + } +} + +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); +} |