// SPDX-License-Identifier: GPL-2.0 /****************************************************************************** * * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. * ******************************************************************************/ #include #include #include void init_mlme_ap_info(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct sta_priv *pstapriv = &padapter->stapriv; struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; spin_lock_init(&pmlmepriv->bcn_update_lock); /* for ACL */ INIT_LIST_HEAD(&pacl_list->acl_node_q.queue); spin_lock_init(&pacl_list->acl_node_q.lock); /* pmlmeext->bstart_bss = false; */ start_ap_mode(padapter); } void free_mlme_ap_info(struct adapter *padapter) { struct sta_info *psta = NULL; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; /* stop_ap_mode(padapter); */ pmlmepriv->update_bcn = false; pmlmeext->bstart_bss = false; rtw_sta_flush(padapter); pmlmeinfo->state = _HW_STATE_NOLINK_; /* free_assoc_sta_resources */ rtw_free_all_stainfo(padapter); /* free bc/mc sta_info */ psta = rtw_get_bcmc_stainfo(padapter); rtw_free_stainfo(padapter, psta); } static void update_BCNTIM(struct adapter *padapter) { struct sta_priv *pstapriv = &padapter->stapriv; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network; unsigned char *pie = pnetwork_mlmeext->ies; /* update TIM IE */ u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL; __le16 tim_bitmap_le; uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen; tim_bitmap_le = cpu_to_le16(pstapriv->tim_bitmap); p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, WLAN_EID_TIM, &tim_ielen, pnetwork_mlmeext->ie_length - _FIXED_IE_LENGTH_ ); if (p && tim_ielen > 0) { tim_ielen += 2; premainder_ie = p + tim_ielen; tim_ie_offset = (signed int)(p - pie); remainder_ielen = pnetwork_mlmeext->ie_length - tim_ie_offset - tim_ielen; /* append TIM IE from dst_ie offset */ dst_ie = p; } else { tim_ielen = 0; /* calculate head_len */ offset = _FIXED_IE_LENGTH_; /* get ssid_ie len */ p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, WLAN_EID_SSID, &tmp_len, (pnetwork_mlmeext->ie_length - _BEACON_IE_OFFSET_) ); if (p) offset += tmp_len + 2; /* get supported rates len */ p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, WLAN_EID_SUPP_RATES, &tmp_len, (pnetwork_mlmeext->ie_length - _BEACON_IE_OFFSET_) ); if (p) offset += tmp_len + 2; /* DS Parameter Set IE, len =3 */ offset += 3; premainder_ie = pie + offset; remainder_ielen = pnetwork_mlmeext->ie_length - offset - tim_ielen; /* append TIM IE from offset */ dst_ie = pie + offset; } if (remainder_ielen > 0) { pbackup_remainder_ie = rtw_malloc(remainder_ielen); if (pbackup_remainder_ie && premainder_ie) memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen); } *dst_ie++ = WLAN_EID_TIM; if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fe)) tim_ielen = 5; else tim_ielen = 4; *dst_ie++ = tim_ielen; *dst_ie++ = 0;/* DTIM count */ *dst_ie++ = 1;/* DTIM period */ if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */ *dst_ie++ = BIT(0);/* bitmap ctrl */ else *dst_ie++ = 0; if (tim_ielen == 4) { __le16 pvb; if (pstapriv->tim_bitmap & 0xff00) pvb = cpu_to_le16(pstapriv->tim_bitmap >> 8); else pvb = tim_bitmap_le; *dst_ie++ = le16_to_cpu(pvb); } else if (tim_ielen == 5) { memcpy(dst_ie, &tim_bitmap_le, 2); dst_ie += 2; } /* copy remainder IE */ if (pbackup_remainder_ie) { memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen); kfree(pbackup_remainder_ie); } offset = (uint)(dst_ie - pie); pnetwork_mlmeext->ie_length = offset + remainder_ielen; } static u8 chk_sta_is_alive(struct sta_info *psta) { sta_update_last_rx_pkts(psta); return true; } void expire_timeout_chk(struct adapter *padapter) { struct list_head *phead, *plist, *tmp; u8 updated = false; struct sta_info *psta = NULL; struct sta_priv *pstapriv = &padapter->stapriv; u8 chk_alive_num = 0; char chk_alive_list[NUM_STA]; int i; spin_lock_bh(&pstapriv->auth_list_lock); phead = &pstapriv->auth_list; /* check auth_queue */ list_for_each_safe(plist, tmp, phead) { psta = list_entry(plist, struct sta_info, auth_list); if (psta->expire_to > 0) { psta->expire_to--; if (psta->expire_to == 0) { list_del_init(&psta->auth_list); pstapriv->auth_list_cnt--; spin_unlock_bh(&pstapriv->auth_list_lock); rtw_free_stainfo(padapter, psta); spin_lock_bh(&pstapriv->auth_list_lock); } } } spin_unlock_bh(&pstapriv->auth_list_lock); psta = NULL; spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; /* check asoc_queue */ list_for_each_safe(plist, tmp, phead) { psta = list_entry(plist, struct sta_info, asoc_list); if (chk_sta_is_alive(psta) || !psta->expire_to) { psta->expire_to = pstapriv->expire_to; psta->keep_alive_trycnt = 0; psta->under_exist_checking = 0; } else { if (psta->expire_to > 0) psta->expire_to--; } if (psta->expire_to == 0) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; if (padapter->registrypriv.wifi_spec == 1) { psta->expire_to = pstapriv->expire_to; continue; } if (psta->state & WIFI_SLEEP_STATE) { if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) { /* to check if alive by another methods */ /* if station is at ps mode. */ psta->expire_to = pstapriv->expire_to; psta->state |= WIFI_STA_ALIVE_CHK_STATE; /* to update bcn with tim_bitmap for this station */ pstapriv->tim_bitmap |= BIT(psta->aid); update_beacon(padapter, WLAN_EID_TIM, NULL, true); if (!pmlmeext->active_keep_alive_check) continue; } } if (pmlmeext->active_keep_alive_check) { int stainfo_offset; stainfo_offset = rtw_stainfo_offset(pstapriv, psta); if (stainfo_offset_valid(stainfo_offset)) chk_alive_list[chk_alive_num++] = stainfo_offset; continue; } list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; updated = ap_free_sta(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING); } else { /* TODO: Aging mechanism to digest frames in sleep_q to */ /* avoid running out of xmitframe */ if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt) && padapter->xmitpriv.free_xmitframe_cnt < (( NR_XMITFRAME / pstapriv->asoc_list_cnt ) / 2) ) wakeup_sta_to_xmit(padapter, psta); } } spin_unlock_bh(&pstapriv->asoc_list_lock); if (chk_alive_num) { u8 backup_oper_channel = 0; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; /* switch to correct channel of current network before issue keep-alive frames */ if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) { backup_oper_channel = rtw_get_oper_ch(padapter); SelectChannel(padapter, pmlmeext->cur_channel); } /* issue null data to check sta alive*/ for (i = 0; i < chk_alive_num; i++) { int ret = _FAIL; psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]); if (!(psta->state & _FW_LINKED)) continue; if (psta->state & WIFI_SLEEP_STATE) ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50); else ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50); psta->keep_alive_trycnt++; if (ret == _SUCCESS) { psta->expire_to = pstapriv->expire_to; psta->keep_alive_trycnt = 0; continue; } else if (psta->keep_alive_trycnt <= 3) { psta->expire_to = 1; continue; } psta->keep_alive_trycnt = 0; spin_lock_bh(&pstapriv->asoc_list_lock); if (list_empty(&psta->asoc_list) == false) { list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; updated = ap_free_sta(padapter, psta, false, WLAN_REASON_DEAUTH_LEAVING); } spin_unlock_bh(&pstapriv->asoc_list_lock); } if (backup_oper_channel > 0) /* back to the original operation channel */ SelectChannel(padapter, backup_oper_channel); } associated_clients_update(padapter, updated); } void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level) { unsigned char sta_band = 0, shortGIrate = false; unsigned int tx_ra_bitmap = 0; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network; if (!psta) return; if (!(psta->state & _FW_LINKED)) return; rtw_hal_update_sta_rate_mask(padapter, psta); tx_ra_bitmap = psta->ra_mask; shortGIrate = query_ra_short_GI(psta); if (pcur_network->configuration.ds_config > 14) { sta_band |= WIRELESS_INVALID; } else { if (tx_ra_bitmap & 0xffff000) sta_band |= WIRELESS_11_24N; if (tx_ra_bitmap & 0xff0) sta_band |= WIRELESS_11G; if (tx_ra_bitmap & 0x0f) sta_band |= WIRELESS_11B; } psta->wireless_mode = sta_band; psta->raid = networktype_to_raid_ex(padapter, psta); if (psta->aid < NUM_STA) { u8 arg[4] = {0}; arg[0] = psta->mac_id; arg[1] = psta->raid; arg[2] = shortGIrate; arg[3] = psta->init_rate; rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level); } } void update_bmc_sta(struct adapter *padapter) { unsigned char network_type; int supportRateNum = 0; unsigned int tx_ra_bitmap = 0; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network; struct sta_info *psta = rtw_get_bcmc_stainfo(padapter); if (psta) { psta->aid = 0;/* default set to 0 */ /* psta->mac_id = psta->aid+4; */ psta->mac_id = psta->aid + 1;/* mac_id = 1 for bc/mc stainfo */ pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta; psta->qos_option = 0; psta->htpriv.ht_option = false; psta->ieee8021x_blocked = 0; memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats)); /* psta->dot118021XPrivacy = _NO_PRIVACY_;//!!! remove it, because it has been set before this. */ /* prepare for add_RATid */ supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->supported_rates); network_type = rtw_check_network_type((u8 *)&pcur_network->supported_rates, supportRateNum, pcur_network->configuration.ds_config ); if (is_supported_tx_cck(network_type)) { network_type = WIRELESS_11B; } else if (network_type == WIRELESS_INVALID) { /* error handling */ if (pcur_network->configuration.ds_config > 14) network_type = WIRELESS_INVALID; else network_type = WIRELESS_11B; } update_sta_basic_rate(psta, network_type); psta->wireless_mode = network_type; rtw_hal_update_sta_rate_mask(padapter, psta); tx_ra_bitmap = psta->ra_mask; psta->raid = networktype_to_raid_ex(padapter, psta); /* ap mode */ rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true); /* if (pHalData->fw_ractrl == true) */ { u8 arg[4] = {0}; arg[0] = psta->mac_id; arg[1] = psta->raid; arg[2] = 0; arg[3] = psta->init_rate; rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0); } rtw_sta_media_status_rpt(padapter, psta, 1); spin_lock_bh(&psta->lock); psta->state = _FW_LINKED; spin_unlock_bh(&psta->lock); } } /* notes: */ /* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */ /* MAC_ID = AID+1 for sta in ap/adhoc mode */ /* MAC_ID = 1 for bc/mc for sta/ap/adhoc */ /* MAC_ID = 0 for bssid for sta/ap/adhoc */ /* CAM_ID = 0~3 for default key, cmd_id =macid + 3, macid =aid+1; */ void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta) { struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct security_priv *psecuritypriv = &padapter->securitypriv; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv; struct ht_priv *phtpriv_sta = &psta->htpriv; u8 cur_ldpc_cap = 0, cur_stbc_cap = 0, cur_beamform_cap = 0; /* set intf_tag to if1 */ /* psta->intf_tag = 0; */ /* psta->mac_id = psta->aid+4; */ /* psta->mac_id = psta->aid+1;//alloc macid when call rtw_alloc_stainfo(), */ /* release macid when call rtw_free_stainfo() */ /* ap mode */ rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true); if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) psta->ieee8021x_blocked = true; else psta->ieee8021x_blocked = false; /* update sta's cap */ /* ERP */ VCS_update(padapter, psta); /* HT related cap */ if (phtpriv_sta->ht_option) { /* check if sta supports rx ampdu */ phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable; phtpriv_sta->rx_ampdu_min_spacing = ( phtpriv_sta->ht_cap.ampdu_params_info & IEEE80211_HT_CAP_AMPDU_DENSITY ) >> 2; /* bwmode */ if (( phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info ) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH)) psta->bw_mode = CHANNEL_WIDTH_40; else psta->bw_mode = CHANNEL_WIDTH_20; if (pmlmeext->cur_bwmode < psta->bw_mode) psta->bw_mode = pmlmeext->cur_bwmode; phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; /* check if sta support s Short GI 20M */ if (( phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info ) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20)) phtpriv_sta->sgi_20m = true; /* check if sta support s Short GI 40M */ if (( phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info ) & cpu_to_le16(IEEE80211_HT_CAP_SGI_40)) { if (psta->bw_mode == CHANNEL_WIDTH_40) /* according to psta->bw_mode */ phtpriv_sta->sgi_40m = true; else phtpriv_sta->sgi_40m = false; } psta->qos_option = true; /* B0 Config LDPC Coding Capability */ if (TEST_FLAG(phtpriv_ap->ldpc_cap, LDPC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_LDPC_CAP((u8 *)(&phtpriv_sta->ht_cap))) SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX)); /* B7 B8 B9 Config STBC setting */ if (TEST_FLAG(phtpriv_ap->stbc_cap, STBC_HT_ENABLE_TX) && GET_HT_CAPABILITY_ELE_RX_STBC((u8 *)(&phtpriv_sta->ht_cap))) SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX)); } else { phtpriv_sta->ampdu_enable = false; phtpriv_sta->sgi_20m = false; phtpriv_sta->sgi_40m = false; psta->bw_mode = CHANNEL_WIDTH_20; phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; } phtpriv_sta->ldpc_cap = cur_ldpc_cap; phtpriv_sta->stbc_cap = cur_stbc_cap; phtpriv_sta->beamform_cap = cur_beamform_cap; /* Rx AMPDU */ send_delba(padapter, 0, psta->hwaddr);/* recipient */ /* TX AMPDU */ send_delba(padapter, 1, psta->hwaddr);/* originator */ phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */ phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */ update_ldpc_stbc_cap(psta); /* todo: init other variables */ memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats)); /* add ratid */ /* add_RATid(padapter, psta);//move to ap_sta_info_defer_update() */ spin_lock_bh(&psta->lock); psta->state |= _FW_LINKED; spin_unlock_bh(&psta->lock); } static void update_ap_info(struct adapter *padapter, struct sta_info *psta) { struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv; psta->wireless_mode = pmlmeext->cur_wireless_mode; psta->bssratelen = rtw_get_rateset_len(pnetwork->supported_rates); memcpy(psta->bssrateset, pnetwork->supported_rates, psta->bssratelen); /* HT related cap */ if (phtpriv_ap->ht_option) { /* check if sta supports rx ampdu */ /* phtpriv_ap->ampdu_enable = phtpriv_ap->ampdu_enable; */ /* check if sta support s Short GI 20M */ if ((phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20)) phtpriv_ap->sgi_20m = true; /* check if sta support s Short GI 40M */ if ((phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_40)) phtpriv_ap->sgi_40m = true; psta->qos_option = true; } else { phtpriv_ap->ampdu_enable = false; phtpriv_ap->sgi_20m = false; phtpriv_ap->sgi_40m = false; } psta->bw_mode = pmlmeext->cur_bwmode; phtpriv_ap->ch_offset = pmlmeext->cur_ch_offset; phtpriv_ap->agg_enable_bitmap = 0x0;/* reset */ phtpriv_ap->candidate_tid_bitmap = 0x0;/* reset */ memcpy(&psta->htpriv, &pmlmepriv->htpriv, sizeof(struct ht_priv)); } static void update_hw_ht_param(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); /* 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)); /* */ /* Config SM Power Save setting */ /* */ pmlmeinfo->SM_PS = (le16_to_cpu( pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info ) & 0x0C) >> 2; /* */ /* Config current HT Protection mode. */ /* */ /* pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3; */ } void start_bss_network(struct adapter *padapter) { u8 *p; u8 val8, cur_channel, cur_bwmode, cur_ch_offset; u16 bcn_interval; u32 acparm; int ie_len; struct registry_priv *pregpriv = &padapter->registrypriv; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct security_priv *psecuritypriv = &(padapter->securitypriv); struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *pnetwork_mlmeext = &(pmlmeinfo->network); struct HT_info_element *pht_info = NULL; u8 cbw40_enable = 0; bcn_interval = (u16)pnetwork->configuration.beacon_period; cur_channel = pnetwork->configuration.ds_config; cur_bwmode = CHANNEL_WIDTH_20; cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; /* check if there is wps ie, */ /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */ /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */ if (!rtw_get_wps_ie(pnetwork->ies + _FIXED_IE_LENGTH_, pnetwork->ie_length - _FIXED_IE_LENGTH_, NULL, NULL)) pmlmeext->bstart_bss = true; /* todo: update wmm, ht cap */ /* pmlmeinfo->WMM_enable; */ /* pmlmeinfo->HT_enable; */ if (pmlmepriv->qospriv.qos_option) pmlmeinfo->WMM_enable = true; if (pmlmepriv->htpriv.ht_option) { pmlmeinfo->WMM_enable = true; pmlmeinfo->HT_enable = true; /* pmlmeinfo->HT_info_enable = true; */ /* pmlmeinfo->HT_caps_enable = true; */ update_hw_ht_param(padapter); } if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */ /* WEP Key will be set before this function, do not clear CAM. */ if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) && (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_)) flush_all_cam_entry(padapter); /* clear CAM */ } /* set MSR to AP_Mode */ Set_MSR(padapter, _HW_STATE_AP_); /* Set BSSID REG */ rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->mac_address); /* Set EDCA param reg */ acparm = 0x002F3217; /* VO */ rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm)); acparm = 0x005E4317; /* VI */ rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm)); /* acparm = 0x00105320; // BE */ acparm = 0x005ea42b; rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm)); acparm = 0x0000A444; /* BK */ rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm)); /* Set Security */ val8 = ( psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X ) ? 0xcc : 0xcf; rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8)); /* Beacon Control related register */ rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval)); rtw_hal_set_hwreg(padapter, HW_VAR_DO_IQK, NULL); if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */ /* u32 initialgain; */ /* initialgain = 0x1e; */ /* disable dynamic functions, such as high power, DIG */ /* Save_DM_Func_Flag(padapter); */ /* Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false); */ /* turn on all dynamic functions */ Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true); /* rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); */ } /* set channel, bwmode */ p = rtw_get_ie((pnetwork->ies + sizeof(struct ndis_802_11_fix_ie)), WLAN_EID_HT_OPERATION, &ie_len, (pnetwork->ie_length - sizeof(struct ndis_802_11_fix_ie)) ); if (p && ie_len) { pht_info = (struct HT_info_element *)(p + 2); if (cur_channel > 14) { if ((pregpriv->bw_mode & 0xf0) > 0) cbw40_enable = 1; } else { if ((pregpriv->bw_mode & 0x0f) > 0) cbw40_enable = 1; } if ((cbw40_enable) && (pht_info->infos[0] & BIT(2))) { /* switch to the 40M Hz mode */ /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */ cur_bwmode = CHANNEL_WIDTH_40; switch (pht_info->infos[0] & 0x3) { case 1: /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; */ cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; break; case 3: /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; */ cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; break; default: /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; */ cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; break; } } } set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode); pmlmeext->cur_channel = cur_channel; pmlmeext->cur_bwmode = cur_bwmode; pmlmeext->cur_ch_offset = cur_ch_offset; pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type; /* let pnetwork_mlmeext == pnetwork_mlme. */ memcpy(pnetwork_mlmeext, pnetwork, pnetwork->length); /* update cur_wireless_mode */ update_wireless_mode(padapter); /* update RRSR after set channel and bandwidth */ UpdateBrateTbl(padapter, pnetwork->supported_rates); rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->supported_rates); /* update capability after cur_wireless_mode updated */ update_capinfo( padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork) ); if (pmlmeext->bstart_bss) { update_beacon(padapter, WLAN_EID_TIM, NULL, true); /* issue beacon frame */ send_beacon(padapter); } /* update bc/mc sta_info */ update_bmc_sta(padapter); /* pmlmeext->bstart_bss = true; */ } int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) { int ret = _SUCCESS; u8 *p; u8 *pHT_caps_ie = NULL; u8 *pHT_info_ie = NULL; struct sta_info *psta = NULL; u16 cap, ht_cap = false; uint ie_len = 0; int group_cipher, pairwise_cipher; u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX]; int supportRateNum = 0; u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01}; u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01}; struct registry_priv *pregistrypriv = &padapter->registrypriv; struct security_priv *psecuritypriv = &padapter->securitypriv; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network; u8 *ie = pbss_network->ies; if (!check_fwstate(pmlmepriv, WIFI_AP_STATE)) return _FAIL; if (len < 0 || len > MAX_IE_SZ) return _FAIL; pbss_network->ie_length = len; memset(ie, 0, MAX_IE_SZ); memcpy(ie, pbuf, pbss_network->ie_length); if (pbss_network->infrastructure_mode != Ndis802_11APMode) return _FAIL; pbss_network->rssi = 0; memcpy(pbss_network->mac_address, myid(&(padapter->eeprompriv)), ETH_ALEN); /* beacon interval */ p = rtw_get_beacon_interval_from_ie(ie);/* ie + 8; 8: TimeStamp, 2: Beacon Interval 2:Capability */ /* pbss_network->configuration.beacon_period = le16_to_cpu(*(unsigned short*)p); */ pbss_network->configuration.beacon_period = get_unaligned_le16(p); /* capability */ /* cap = *(unsigned short *)rtw_get_capability_from_ie(ie); */ /* cap = le16_to_cpu(cap); */ cap = get_unaligned_le16(ie); /* SSID */ p = rtw_get_ie( ie + _BEACON_IE_OFFSET_, WLAN_EID_SSID, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_) ); if (p && ie_len > 0) { memset(&pbss_network->ssid, 0, sizeof(struct ndis_802_11_ssid)); memcpy(pbss_network->ssid.ssid, (p + 2), ie_len); pbss_network->ssid.ssid_length = ie_len; } /* channel */ channel = 0; pbss_network->configuration.length = 0; p = rtw_get_ie( ie + _BEACON_IE_OFFSET_, WLAN_EID_DS_PARAMS, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_) ); if (p && ie_len > 0) channel = *(p + 2); pbss_network->configuration.ds_config = channel; memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX); /* get supported rates */ p = rtw_get_ie( ie + _BEACON_IE_OFFSET_, WLAN_EID_SUPP_RATES, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_) ); if (p) { memcpy(supportRate, p + 2, ie_len); supportRateNum = ie_len; } /* get ext_supported rates */ p = rtw_get_ie( ie + _BEACON_IE_OFFSET_, WLAN_EID_EXT_SUPP_RATES, &ie_len, pbss_network->ie_length - _BEACON_IE_OFFSET_ ); if (p) { memcpy(supportRate + supportRateNum, p + 2, ie_len); supportRateNum += ie_len; } network_type = rtw_check_network_type(supportRate, supportRateNum, channel); rtw_set_supported_rate(pbss_network->supported_rates, network_type); /* parsing ERP_IE */ p = rtw_get_ie( ie + _BEACON_IE_OFFSET_, WLAN_EID_ERP_INFO, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_) ); if (p && ie_len > 0) ERP_IE_handler(padapter, (struct ndis_80211_var_ie *)p); /* update privacy/security */ if (cap & BIT(4)) pbss_network->privacy = 1; else pbss_network->privacy = 0; psecuritypriv->wpa_psk = 0; /* wpa2 */ group_cipher = 0; pairwise_cipher = 0; psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_; psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_; p = rtw_get_ie( ie + _BEACON_IE_OFFSET_, WLAN_EID_RSN, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_) ); if (p && ie_len > 0) { if (rtw_parse_wpa2_ie( p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL ) == _SUCCESS) { psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X; psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */ psecuritypriv->wpa_psk |= BIT(1); psecuritypriv->wpa2_group_cipher = group_cipher; psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher; } } /* wpa */ ie_len = 0; group_cipher = 0; pairwise_cipher = 0; psecuritypriv->wpa_group_cipher = _NO_PRIVACY_; psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_; for (p = ie + _BEACON_IE_OFFSET_; ; p += (ie_len + 2)) { p = rtw_get_ie( p, WLAN_EID_VENDOR_SPECIFIC, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)) ); if ((p) && (!memcmp(p + 2, OUI1, 4))) { if (rtw_parse_wpa_ie( p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL ) == _SUCCESS) { psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X; psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */ psecuritypriv->wpa_psk |= BIT(0); psecuritypriv->wpa_group_cipher = group_cipher; psecuritypriv->wpa_pairwise_cipher = pairwise_cipher; } break; } if (!p || ie_len == 0) break; } /* wmm */ ie_len = 0; pmlmepriv->qospriv.qos_option = 0; if (pregistrypriv->wmm_enable) { for (p = ie + _BEACON_IE_OFFSET_; ; p += (ie_len + 2)) { p = rtw_get_ie( p, WLAN_EID_VENDOR_SPECIFIC, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)) ); if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) { pmlmepriv->qospriv.qos_option = 1; *(p + 8) |= BIT(7);/* QoS Info, support U-APSD */ /* disable all ACM bits since the WMM admission */ /* control is not supported */ *(p + 10) &= ~BIT(4); /* BE */ *(p + 14) &= ~BIT(4); /* BK */ *(p + 18) &= ~BIT(4); /* VI */ *(p + 22) &= ~BIT(4); /* VO */ break; } if (!p || ie_len == 0) break; } } /* parsing HT_CAP_IE */ p = rtw_get_ie( ie + _BEACON_IE_OFFSET_, WLAN_EID_HT_CAPABILITY, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_) ); if (p && ie_len > 0) { u8 max_rx_ampdu_factor = 0; struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2); pHT_caps_ie = p; ht_cap = true; network_type |= WIRELESS_11_24N; rtw_ht_use_default_setting(padapter); if (pmlmepriv->htpriv.sgi_20m == false) pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_SGI_20)); if (pmlmepriv->htpriv.sgi_40m == false) pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_SGI_40)); if (!TEST_FLAG(pmlmepriv->htpriv.ldpc_cap, LDPC_HT_ENABLE_RX)) pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_LDPC_CODING)); if (!TEST_FLAG(pmlmepriv->htpriv.stbc_cap, STBC_HT_ENABLE_TX)) pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_TX_STBC)); if (!TEST_FLAG(pmlmepriv->htpriv.stbc_cap, STBC_HT_ENABLE_RX)) pht_cap->cap_info &= cpu_to_le16(~(IEEE80211_HT_CAP_RX_STBC_3R)); pht_cap->ampdu_params_info &= ~( IEEE80211_HT_CAP_AMPDU_FACTOR | IEEE80211_HT_CAP_AMPDU_DENSITY ); if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) || (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP)) { pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2)); } else { pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00); } rtw_hal_get_def_var( padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor ); pht_cap->ampdu_params_info |= ( IEEE80211_HT_CAP_AMPDU_FACTOR & max_rx_ampdu_factor ); /* set Max Rx AMPDU size to 64K */ pht_cap->mcs.rx_mask[0] = 0xff; pht_cap->mcs.rx_mask[1] = 0x0; memcpy(&pmlmepriv->htpriv.ht_cap, p + 2, ie_len); } /* parsing HT_INFO_IE */ p = rtw_get_ie( ie + _BEACON_IE_OFFSET_, WLAN_EID_HT_OPERATION, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_) ); if (p && ie_len > 0) pHT_info_ie = p; switch (network_type) { case WIRELESS_11B: pbss_network->network_type_in_use = Ndis802_11DS; break; case WIRELESS_11G: case WIRELESS_11BG: case WIRELESS_11G_24N: case WIRELESS_11BG_24N: pbss_network->network_type_in_use = Ndis802_11OFDM24; break; default: pbss_network->network_type_in_use = Ndis802_11OFDM24; break; } pmlmepriv->cur_network.network_type = network_type; pmlmepriv->htpriv.ht_option = false; if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) || (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) { /* todo: */ /* ht_cap = false; */ } /* ht_cap */ if (pregistrypriv->ht_enable && ht_cap) { pmlmepriv->htpriv.ht_option = true; pmlmepriv->qospriv.qos_option = 1; if (pregistrypriv->ampdu_enable == 1) pmlmepriv->htpriv.ampdu_enable = true; HT_caps_handler(padapter, (struct ndis_80211_var_ie *)pHT_caps_ie); HT_info_handler(padapter, (struct ndis_80211_var_ie *)pHT_info_ie); } pbss_network->length = get_wlan_bssid_ex_sz( (struct wlan_bssid_ex *)pbss_network ); /* issue beacon to start bss network */ /* start_bss_network(padapter, (u8 *)pbss_network); */ rtw_startbss_cmd(padapter, RTW_CMDF_WAIT_ACK); /* alloc sta_info for ap itself */ psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->mac_address); if (!psta) { psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->mac_address); if (!psta) return _FAIL; } /* update AP's sta info */ update_ap_info(padapter, psta); psta->state |= WIFI_AP_STATE; /* Aries, add, fix bug of flush_cam_entry at STOP AP mode , 0724 */ rtw_indicate_connect(padapter); pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */ /* update bc/mc sta_info */ /* update_bmc_sta(padapter); */ return ret; } void rtw_set_macaddr_acl(struct adapter *padapter, int mode) { struct sta_priv *pstapriv = &padapter->stapriv; struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; pacl_list->mode = mode; } int rtw_acl_add_sta(struct adapter *padapter, u8 *addr) { struct list_head *plist, *phead; u8 added = false; int i, ret = 0; struct rtw_wlan_acl_node *paclnode; struct sta_priv *pstapriv = &padapter->stapriv; struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; struct __queue *pacl_node_q = &pacl_list->acl_node_q; if ((NUM_ACL - 1) < pacl_list->num) return (-1); spin_lock_bh(&(pacl_node_q->lock)); phead = get_list_head(pacl_node_q); list_for_each(plist, phead) { paclnode = list_entry(plist, struct rtw_wlan_acl_node, list); if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { if (paclnode->valid == true) { added = true; break; } } } spin_unlock_bh(&(pacl_node_q->lock)); if (added) return ret; spin_lock_bh(&(pacl_node_q->lock)); for (i = 0; i < NUM_ACL; i++) { paclnode = &pacl_list->aclnode[i]; if (!paclnode->valid) { INIT_LIST_HEAD(&paclnode->list); memcpy(paclnode->addr, addr, ETH_ALEN); paclnode->valid = true; list_add_tail(&paclnode->list, get_list_head(pacl_node_q)); pacl_list->num++; break; } } spin_unlock_bh(&(pacl_node_q->lock)); return ret; } void rtw_acl_remove_sta(struct adapter *padapter, u8 *addr) { struct list_head *plist, *phead, *tmp; struct rtw_wlan_acl_node *paclnode; struct sta_priv *pstapriv = &padapter->stapriv; struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; struct __queue *pacl_node_q = &pacl_list->acl_node_q; u8 baddr[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; /* Baddr is used for clearing acl_list */ spin_lock_bh(&(pacl_node_q->lock)); phead = get_list_head(pacl_node_q); list_for_each_safe(plist, tmp, phead) { paclnode = list_entry(plist, struct rtw_wlan_acl_node, list); if ( !memcmp(paclnode->addr, addr, ETH_ALEN) || !memcmp(baddr, addr, ETH_ALEN) ) { if (paclnode->valid) { paclnode->valid = false; list_del_init(&paclnode->list); pacl_list->num--; } } } spin_unlock_bh(&(pacl_node_q->lock)); } u8 rtw_ap_set_pairwise_key(struct adapter *padapter, struct sta_info *psta) { struct cmd_obj *ph2c; struct set_stakey_parm *psetstakey_para; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; u8 res = _SUCCESS; ph2c = rtw_zmalloc(sizeof(struct cmd_obj)); if (!ph2c) { res = _FAIL; goto exit; } psetstakey_para = rtw_zmalloc(sizeof(struct set_stakey_parm)); if (!psetstakey_para) { kfree(ph2c); res = _FAIL; goto exit; } init_h2fwcmd_w_parm_no_rsp(ph2c, psetstakey_para, _SetStaKey_CMD_); psetstakey_para->algorithm = (u8)psta->dot118021XPrivacy; memcpy(psetstakey_para->addr, psta->hwaddr, ETH_ALEN); memcpy(psetstakey_para->key, &psta->dot118021x_UncstKey, 16); res = rtw_enqueue_cmd(pcmdpriv, ph2c); exit: return res; } static int rtw_ap_set_key( struct adapter *padapter, u8 *key, u8 alg, int keyid, u8 set_tx ) { u8 keylen; struct cmd_obj *pcmd; struct setkey_parm *psetkeyparm; struct cmd_priv *pcmdpriv = &(padapter->cmdpriv); int res = _SUCCESS; pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); if (!pcmd) { res = _FAIL; goto exit; } psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm)); if (!psetkeyparm) { kfree(pcmd); res = _FAIL; goto exit; } psetkeyparm->keyid = (u8)keyid; if (is_wep_enc(alg)) padapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid); psetkeyparm->algorithm = alg; psetkeyparm->set_tx = set_tx; switch (alg) { case _WEP40_: keylen = 5; break; case _WEP104_: keylen = 13; break; case _TKIP_: case _TKIP_WTMIC_: case _AES_: default: keylen = 16; } memcpy(&(psetkeyparm->key[0]), key, keylen); pcmd->cmdcode = _SetKey_CMD_; pcmd->parmbuf = (u8 *)psetkeyparm; pcmd->cmdsz = (sizeof(struct setkey_parm)); pcmd->rsp = NULL; pcmd->rspsz = 0; INIT_LIST_HEAD(&pcmd->list); res = rtw_enqueue_cmd(pcmdpriv, pcmd); exit: return res; } int rtw_ap_set_group_key(struct adapter *padapter, u8 *key, u8 alg, int keyid) { return rtw_ap_set_key(padapter, key, alg, keyid, 1); } int rtw_ap_set_wep_key( struct adapter *padapter, u8 *key, u8 keylen, int keyid, u8 set_tx ) { u8 alg; switch (keylen) { case 5: alg = _WEP40_; break; case 13: alg = _WEP104_; break; default: alg = _NO_PRIVACY_; } return rtw_ap_set_key(padapter, key, alg, keyid, set_tx); } static void update_bcn_fixed_ie(struct adapter *padapter) { } static void update_bcn_erpinfo_ie(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); unsigned char *p, *ie = pnetwork->ies; u32 len = 0; if (!pmlmeinfo->ERP_enable) return; /* parsing ERP_IE */ p = rtw_get_ie( ie + _BEACON_IE_OFFSET_, WLAN_EID_ERP_INFO, &len, (pnetwork->ie_length - _BEACON_IE_OFFSET_) ); if (p && len > 0) { struct ndis_80211_var_ie *pIE = (struct ndis_80211_var_ie *)p; if (pmlmepriv->num_sta_non_erp == 1) pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT | RTW_ERP_INFO_USE_PROTECTION; else pIE->data[0] &= ~( RTW_ERP_INFO_NON_ERP_PRESENT | RTW_ERP_INFO_USE_PROTECTION ); if (pmlmepriv->num_sta_no_short_preamble > 0) pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE; else pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE); ERP_IE_handler(padapter, pIE); } } static void update_bcn_htcap_ie(struct adapter *padapter) { } static void update_bcn_htinfo_ie(struct adapter *padapter) { } static void update_bcn_rsn_ie(struct adapter *padapter) { } static void update_bcn_wpa_ie(struct adapter *padapter) { } static void update_bcn_wmm_ie(struct adapter *padapter) { } static void update_bcn_wps_ie(struct adapter *padapter) { u8 *pwps_ie = NULL; u8 *pwps_ie_src; u8 *premainder_ie; u8 *pbackup_remainder_ie = NULL; uint wps_ielen = 0, wps_offset, remainder_ielen; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); unsigned char *ie = pnetwork->ies; u32 ielen = pnetwork->ie_length; pwps_ie = rtw_get_wps_ie( ie + _FIXED_IE_LENGTH_, ielen - _FIXED_IE_LENGTH_, NULL, &wps_ielen ); if (!pwps_ie || wps_ielen == 0) return; pwps_ie_src = pmlmepriv->wps_beacon_ie; if (!pwps_ie_src) return; wps_offset = (uint)(pwps_ie - ie); premainder_ie = pwps_ie + wps_ielen; remainder_ielen = ielen - wps_offset - wps_ielen; if (remainder_ielen > 0) { pbackup_remainder_ie = rtw_malloc(remainder_ielen); if (pbackup_remainder_ie) memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen); } wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */ if ((wps_offset + wps_ielen + 2 + remainder_ielen) <= MAX_IE_SZ) { memcpy(pwps_ie, pwps_ie_src, wps_ielen + 2); pwps_ie += (wps_ielen+2); if (pbackup_remainder_ie) memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen); /* update ie_length */ pnetwork->ie_length = wps_offset + (wps_ielen + 2) + remainder_ielen; } kfree(pbackup_remainder_ie); } static void update_bcn_p2p_ie(struct adapter *padapter) { } static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui) { if (!memcmp(RTW_WPA_OUI, oui, 4)) update_bcn_wpa_ie(padapter); else if (!memcmp(WMM_OUI, oui, 4)) update_bcn_wmm_ie(padapter); else if (!memcmp(WPS_OUI, oui, 4)) update_bcn_wps_ie(padapter); else if (!memcmp(P2P_OUI, oui, 4)) update_bcn_p2p_ie(padapter); } void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx) { struct mlme_priv *pmlmepriv; struct mlme_ext_priv *pmlmeext; /* struct mlme_ext_info *pmlmeinfo; */ if (!padapter) return; pmlmepriv = &(padapter->mlmepriv); pmlmeext = &(padapter->mlmeextpriv); /* pmlmeinfo = &(pmlmeext->mlmext_info); */ if (!pmlmeext->bstart_bss) return; spin_lock_bh(&pmlmepriv->bcn_update_lock); switch (ie_id) { case 0xFF: update_bcn_fixed_ie(padapter);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */ break; case WLAN_EID_TIM: update_BCNTIM(padapter); break; case WLAN_EID_ERP_INFO: update_bcn_erpinfo_ie(padapter); break; case WLAN_EID_HT_CAPABILITY: update_bcn_htcap_ie(padapter); break; case WLAN_EID_RSN: update_bcn_rsn_ie(padapter); break; case WLAN_EID_HT_OPERATION: update_bcn_htinfo_ie(padapter); break; case WLAN_EID_VENDOR_SPECIFIC: update_bcn_vendor_spec_ie(padapter, oui); break; default: break; } pmlmepriv->update_bcn = true; spin_unlock_bh(&pmlmepriv->bcn_update_lock); if (tx) { /* send_beacon(padapter);//send_beacon must execute on TSR level */ set_tx_beacon_cmd(padapter); } } /* * op_mode * Set to 0 (HT pure) under the following conditions * - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or * - all STAs in the BSS are 20 MHz HT in 20 MHz BSS * Set to 1 (HT non-member protection) if there may be non-HT STAs * in both the primary and the secondary channel * Set to 2 if only HT STAs are associated in BSS, * however and at least one 20 MHz HT STA is associated * Set to 3 (HT mixed mode) when one or more non-HT STAs are associated * (currently non-GF HT station is considered as non-HT STA also) */ static int rtw_ht_operation_update(struct adapter *padapter) { u16 cur_op_mode, new_op_mode; int op_mode_changes = 0; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv; if (pmlmepriv->htpriv.ht_option) return 0; if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && pmlmepriv->num_sta_ht_no_gf) { pmlmepriv->ht_op_mode |= IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT; op_mode_changes++; } else if ((pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && pmlmepriv->num_sta_ht_no_gf == 0) { pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT; op_mode_changes++; } if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) && (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) { pmlmepriv->ht_op_mode |= IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT; op_mode_changes++; } else if ((pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) && (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) { pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT; op_mode_changes++; } /* Note: currently we switch to the MIXED op mode if HT non-greenfield * station is associated. Probably it's a theoretical case, since * it looks like all known HT STAs support greenfield. */ new_op_mode = 0; if (pmlmepriv->num_sta_no_ht || (pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)) new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED; else if ( (le16_to_cpu(phtpriv_ap->ht_cap.cap_info) & IEEE80211_HT_CAP_SUP_WIDTH) && pmlmepriv->num_sta_ht_20mhz) new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ; else if (pmlmepriv->olbc_ht) new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER; else new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONE; cur_op_mode = pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_PROTECTION; if (cur_op_mode != new_op_mode) { pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_PROTECTION; pmlmepriv->ht_op_mode |= new_op_mode; op_mode_changes++; } return op_mode_changes; } void associated_clients_update(struct adapter *padapter, u8 updated) { /* update associated stations cap. */ if (updated) { struct list_head *phead, *plist; struct sta_info *psta = NULL; struct sta_priv *pstapriv = &padapter->stapriv; spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; /* check asoc_queue */ list_for_each(plist, phead) { psta = list_entry(plist, struct sta_info, asoc_list); VCS_update(padapter, psta); } spin_unlock_bh(&pstapriv->asoc_list_lock); } } /* called > TSR LEVEL for USB or SDIO Interface*/ void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta) { u8 beacon_updated = false; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) { if (!psta->no_short_preamble_set) { psta->no_short_preamble_set = 1; pmlmepriv->num_sta_no_short_preamble++; if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && (pmlmepriv->num_sta_no_short_preamble == 1)) { beacon_updated = true; update_beacon(padapter, 0xFF, NULL, true); } } } else { if (psta->no_short_preamble_set) { psta->no_short_preamble_set = 0; pmlmepriv->num_sta_no_short_preamble--; if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && (pmlmepriv->num_sta_no_short_preamble == 0)) { beacon_updated = true; update_beacon(padapter, 0xFF, NULL, true); } } } if (psta->flags & WLAN_STA_NONERP) { if (!psta->nonerp_set) { psta->nonerp_set = 1; pmlmepriv->num_sta_non_erp++; if (pmlmepriv->num_sta_non_erp == 1) { beacon_updated = true; update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true); } } } else { if (psta->nonerp_set) { psta->nonerp_set = 0; pmlmepriv->num_sta_non_erp--; if (pmlmepriv->num_sta_non_erp == 0) { beacon_updated = true; update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true); } } } if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) { if (!psta->no_short_slot_time_set) { psta->no_short_slot_time_set = 1; pmlmepriv->num_sta_no_short_slot_time++; if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && (pmlmepriv->num_sta_no_short_slot_time == 1)) { beacon_updated = true; update_beacon(padapter, 0xFF, NULL, true); } } } else { if (psta->no_short_slot_time_set) { psta->no_short_slot_time_set = 0; pmlmepriv->num_sta_no_short_slot_time--; if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && (pmlmepriv->num_sta_no_short_slot_time == 0)) { beacon_updated = true; update_beacon(padapter, 0xFF, NULL, true); } } } if (psta->flags & WLAN_STA_HT) { u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info); if (psta->no_ht_set) { psta->no_ht_set = 0; pmlmepriv->num_sta_no_ht--; } if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) { if (!psta->no_ht_gf_set) { psta->no_ht_gf_set = 1; pmlmepriv->num_sta_ht_no_gf++; } } if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) { if (!psta->ht_20mhz_set) { psta->ht_20mhz_set = 1; pmlmepriv->num_sta_ht_20mhz++; } } } else { if (!psta->no_ht_set) { psta->no_ht_set = 1; pmlmepriv->num_sta_no_ht++; } } if (rtw_ht_operation_update(padapter) > 0) { update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false); update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true); } /* update associated stations cap. */ associated_clients_update(padapter, beacon_updated); } u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta) { u8 beacon_updated = false; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); if (!psta) return beacon_updated; if (psta->no_short_preamble_set) { psta->no_short_preamble_set = 0; pmlmepriv->num_sta_no_short_preamble--; if (pmlmeext->cur_wireless_mode > WIRELESS_11B && pmlmepriv->num_sta_no_short_preamble == 0){ beacon_updated = true; update_beacon(padapter, 0xFF, NULL, true); } } if (psta->nonerp_set) { psta->nonerp_set = 0; pmlmepriv->num_sta_non_erp--; if (pmlmepriv->num_sta_non_erp == 0) { beacon_updated = true; update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true); } } if (psta->no_short_slot_time_set) { psta->no_short_slot_time_set = 0; pmlmepriv->num_sta_no_short_slot_time--; if (pmlmeext->cur_wireless_mode > WIRELESS_11B && pmlmepriv->num_sta_no_short_slot_time == 0){ beacon_updated = true; update_beacon(padapter, 0xFF, NULL, true); } } if (psta->no_ht_gf_set) { psta->no_ht_gf_set = 0; pmlmepriv->num_sta_ht_no_gf--; } if (psta->no_ht_set) { psta->no_ht_set = 0; pmlmepriv->num_sta_no_ht--; } if (psta->ht_20mhz_set) { psta->ht_20mhz_set = 0; pmlmepriv->num_sta_ht_20mhz--; } if (rtw_ht_operation_update(padapter) > 0) { update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false); update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true); } return beacon_updated; } u8 ap_free_sta( struct adapter *padapter, struct sta_info *psta, bool active, u16 reason ) { u8 beacon_updated = false; if (!psta) return beacon_updated; if (active) { /* tear down Rx AMPDU */ send_delba(padapter, 0, psta->hwaddr);/* recipient */ /* tear down TX AMPDU */ send_delba(padapter, 1, psta->hwaddr);/* // originator */ issue_deauth(padapter, psta->hwaddr, reason); } psta->htpriv.agg_enable_bitmap = 0x0;/* reset */ psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */ /* report_del_sta_event(padapter, psta->hwaddr, reason); */ /* clear cam entry / key */ rtw_clearstakey_cmd(padapter, psta, true); spin_lock_bh(&psta->lock); psta->state &= ~_FW_LINKED; spin_unlock_bh(&psta->lock); rtw_cfg80211_indicate_sta_disassoc(padapter, psta->hwaddr, reason); report_del_sta_event(padapter, psta->hwaddr, reason); beacon_updated = bss_cap_update_on_sta_leave(padapter, psta); rtw_free_stainfo(padapter, psta); return beacon_updated; } void rtw_sta_flush(struct adapter *padapter) { struct list_head *phead, *plist, *tmp; struct sta_info *psta = NULL; struct sta_priv *pstapriv = &padapter->stapriv; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE) return; spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; /* free sta asoc_queue */ list_for_each_safe(plist, tmp, phead) { psta = list_entry(plist, struct sta_info, asoc_list); list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; /* spin_unlock_bh(&pstapriv->asoc_list_lock); */ ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING); /* spin_lock_bh(&pstapriv->asoc_list_lock); */ } spin_unlock_bh(&pstapriv->asoc_list_lock); issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING); associated_clients_update(padapter, true); } /* called > TSR LEVEL for USB or SDIO Interface*/ void sta_info_update(struct adapter *padapter, struct sta_info *psta) { int flags = psta->flags; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); /* update wmm cap. */ if (WLAN_STA_WME & flags) psta->qos_option = 1; else psta->qos_option = 0; if (pmlmepriv->qospriv.qos_option == 0) psta->qos_option = 0; /* update 802.11n ht cap. */ if (WLAN_STA_HT & flags) { psta->htpriv.ht_option = true; psta->qos_option = 1; } else { psta->htpriv.ht_option = false; } if (!pmlmepriv->htpriv.ht_option) psta->htpriv.ht_option = false; update_sta_info_apmode(padapter, psta); } /* called >= TSR LEVEL for USB or SDIO Interface*/ void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); if (psta->state & _FW_LINKED) { pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta; /* add ratid */ add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */ } } /* restore hw setting from sw data structures */ void rtw_ap_restore_network(struct adapter *padapter) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct sta_priv *pstapriv = &padapter->stapriv; struct sta_info *psta; struct security_priv *psecuritypriv = &(padapter->securitypriv); struct list_head *phead, *plist; u8 chk_alive_num = 0; char chk_alive_list[NUM_STA]; int i; rtw_setopmode_cmd(padapter, Ndis802_11APMode, false); set_channel_bwmode( padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode ); start_bss_network(padapter); if ((padapter->securitypriv.dot11PrivacyAlgrthm == _TKIP_) || (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)) { /* restore group key, WEP keys is restored in ips_leave() */ rtw_set_key( padapter, psecuritypriv, psecuritypriv->dot118021XGrpKeyid, 0, false ); } spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; list_for_each(plist, phead) { int stainfo_offset; psta = list_entry(plist, struct sta_info, asoc_list); stainfo_offset = rtw_stainfo_offset(pstapriv, psta); if (stainfo_offset_valid(stainfo_offset)) chk_alive_list[chk_alive_num++] = stainfo_offset; } spin_unlock_bh(&pstapriv->asoc_list_lock); for (i = 0; i < chk_alive_num; i++) { psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]); if (!psta) continue; if (psta->state & _FW_LINKED) { rtw_sta_media_status_rpt(padapter, psta, 1); Update_RA_Entry(padapter, psta); /* pairwise key */ /* per sta pairwise key and settings */ if ((psecuritypriv->dot11PrivacyAlgrthm == _TKIP_) || (psecuritypriv->dot11PrivacyAlgrthm == _AES_)) { rtw_setstakey_cmd(padapter, psta, true, false); } } } } void start_ap_mode(struct adapter *padapter) { int i; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct sta_priv *pstapriv = &padapter->stapriv; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; pmlmepriv->update_bcn = false; /* init_mlme_ap_info(padapter); */ pmlmeext->bstart_bss = false; pmlmepriv->num_sta_non_erp = 0; pmlmepriv->num_sta_no_short_slot_time = 0; pmlmepriv->num_sta_no_short_preamble = 0; pmlmepriv->num_sta_ht_no_gf = 0; pmlmepriv->num_sta_no_ht = 0; pmlmepriv->num_sta_ht_20mhz = 0; pmlmepriv->olbc = false; pmlmepriv->olbc_ht = false; pmlmepriv->ht_op_mode = 0; for (i = 0; i < NUM_STA; i++) pstapriv->sta_aid[i] = NULL; pmlmepriv->wps_beacon_ie = NULL; pmlmepriv->wps_probe_resp_ie = NULL; pmlmepriv->wps_assoc_resp_ie = NULL; pmlmepriv->p2p_beacon_ie = NULL; pmlmepriv->p2p_probe_resp_ie = NULL; /* for ACL */ INIT_LIST_HEAD(&(pacl_list->acl_node_q.queue)); pacl_list->num = 0; pacl_list->mode = 0; for (i = 0; i < NUM_ACL; i++) { INIT_LIST_HEAD(&pacl_list->aclnode[i].list); pacl_list->aclnode[i].valid = false; } } void stop_ap_mode(struct adapter *padapter) { struct list_head *phead, *plist, *tmp; struct rtw_wlan_acl_node *paclnode; struct sta_info *psta = NULL; struct sta_priv *pstapriv = &padapter->stapriv; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; struct __queue *pacl_node_q = &pacl_list->acl_node_q; pmlmepriv->update_bcn = false; pmlmeext->bstart_bss = false; /* reset and init security priv , this can refine with rtw_reset_securitypriv */ memset( (unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv) ); padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen; padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled; /* for ACL */ spin_lock_bh(&(pacl_node_q->lock)); phead = get_list_head(pacl_node_q); list_for_each_safe(plist, tmp, phead) { paclnode = list_entry(plist, struct rtw_wlan_acl_node, list); if (paclnode->valid) { paclnode->valid = false; list_del_init(&paclnode->list); pacl_list->num--; } } spin_unlock_bh(&(pacl_node_q->lock)); rtw_sta_flush(padapter); /* free_assoc_sta_resources */ rtw_free_all_stainfo(padapter); psta = rtw_get_bcmc_stainfo(padapter); rtw_free_stainfo(padapter, psta); rtw_init_bcmc_stainfo(padapter); rtw_free_mlme_priv_ie_data(pmlmepriv); rtw_btcoex_MediaStatusNotify(padapter, 0); /* disconnect */ }