// SPDX-License-Identifier: GPL-2.0 /****************************************************************************** * * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. * ******************************************************************************/ #define _RTW_AP_C_ #include #include #include #include #include #include #ifdef CPTCFG_88EU_AP_MODE 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 */ _rtw_init_queue(&pacl_list->acl_node_q); start_ap_mode(padapter); } void free_mlme_ap_info(struct adapter *padapter) { 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 mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); 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); spin_lock_bh(&pstapriv->sta_hash_lock); rtw_free_stainfo(padapter, psta); spin_unlock_bh(&pstapriv->sta_hash_lock); } 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; u8 *p, *dst_ie, *premainder_ie = NULL; u8 *pbackup_remainder_ie = NULL; uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen; /* update TIM IE */ p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &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 = (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_; offset += pnetwork_mlmeext->Ssid.SsidLength + 2; /* get supported rates len */ p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &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++ = _TIM_IE_; if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fc)) 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) { *dst_ie++ = pstapriv->tim_bitmap & 0xff; } else if (tim_ielen == 5) { put_unaligned_le16(pstapriv->tim_bitmap, dst_ie); 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; set_tx_beacon_cmd(padapter); } static u8 chk_sta_is_alive(struct sta_info *psta) { u8 ret = false; if ((psta->sta_stats.last_rx_data_pkts + psta->sta_stats.last_rx_ctrl_pkts) == (psta->sta_stats.rx_data_pkts + psta->sta_stats.rx_ctrl_pkts)) ; else ret = true; sta_update_last_rx_pkts(psta); return ret; } void expire_timeout_chk(struct adapter *padapter) { struct list_head *phead, *plist; u8 updated = 0; 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; plist = phead->next; /* check auth_queue */ while (phead != plist) { psta = container_of(plist, struct sta_info, auth_list); plist = plist->next; if (psta->expire_to > 0) { psta->expire_to--; if (psta->expire_to == 0) { list_del_init(&psta->auth_list); pstapriv->auth_list_cnt--; DBG_88E("auth expire %6ph\n", psta->hwaddr); spin_unlock_bh(&pstapriv->auth_list_lock); spin_lock_bh(&pstapriv->sta_hash_lock); rtw_free_stainfo(padapter, psta); spin_unlock_bh(&pstapriv->sta_hash_lock); 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; plist = phead->next; /* check asoc_queue */ while (phead != plist) { psta = container_of(plist, struct sta_info, asoc_list); plist = plist->next; 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 { 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, _TIM_IE_, NULL, false); 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--; DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state); updated = ap_free_sta(padapter, psta, true, 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)) { DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__, (psta->hwaddr), psta->sleepq_len, padapter->xmitpriv.free_xmitframe_cnt, pstapriv->asoc_list_cnt); 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 & 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) { DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr)); psta->expire_to = pstapriv->expire_to; psta->keep_alive_trycnt = 0; continue; } else if (psta->keep_alive_trycnt <= 3) { DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt); psta->expire_to = 1; continue; } psta->keep_alive_trycnt = 0; DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state); spin_lock_bh(&pstapriv->asoc_list_lock); list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; updated = ap_free_sta(padapter, psta, true, 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) { int i; u32 init_rate = 0; unsigned char sta_band = 0, raid, shortGIrate = false; unsigned int tx_ra_bitmap = 0; struct ht_priv *psta_ht = NULL; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network; if (psta) psta_ht = &psta->htpriv; else return; if (!(psta->state & _FW_LINKED)) return; /* b/g mode ra_bitmap */ for (i = 0; i < sizeof(psta->bssrateset); i++) { if (psta->bssrateset[i]) tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f); } /* n mode ra_bitmap */ if (psta_ht->ht_option) { for (i = 0; i < 8; i++) if (psta_ht->ht_cap.mcs.rx_mask[0] & BIT(i)) tx_ra_bitmap |= BIT(i + 12); /* max short GI rate */ shortGIrate = psta_ht->sgi; } if (pcur_network->Configuration.DSConfig > 14) { /* 5G band */ if (tx_ra_bitmap & 0xffff000) sta_band |= WIRELESS_11_5N | WIRELESS_11A; else sta_band |= WIRELESS_11A; } else { if (tx_ra_bitmap & 0xffff000) sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B; else if (tx_ra_bitmap & 0xff0) sta_band |= WIRELESS_11G | WIRELESS_11B; else sta_band |= WIRELESS_11B; } psta->wireless_mode = sta_band; raid = networktype_to_raid(sta_band); init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f; if (psta->aid < NUM_STA) { u8 arg = 0; arg = psta->mac_id & 0x1f; arg |= BIT(7);/* support entry 2~31 */ if (shortGIrate) arg |= BIT(5); tx_ra_bitmap |= ((raid << 28) & 0xf0000000); DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n", __func__, psta->mac_id, raid, tx_ra_bitmap, arg); /* bitmap[0:27] = tx_rate_bitmap */ /* bitmap[28:31]= Rate Adaptive id */ /* arg[0:4] = macid */ /* arg[5] = Short GI */ rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level); if (shortGIrate) init_rate |= BIT(6); /* set ra_id, init_rate */ psta->raid = raid; psta->init_rate = init_rate; } else { DBG_88E("station aid %d exceed the max number\n", psta->aid); } } static void update_bmc_sta(struct adapter *padapter) { u32 init_rate = 0; unsigned char network_type, raid; int i, supportRateNum = 0; 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; struct sta_info *psta = rtw_get_bcmc_stainfo(padapter); if (psta) { psta->aid = 0;/* default set to 0 */ psta->mac_id = psta->aid + 1; psta->qos_option = 0; psta->htpriv.ht_option = false; psta->ieee8021x_blocked = 0; memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats)); /* prepare for add_RATid */ supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates); network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates, supportRateNum, 1); memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum); psta->bssratelen = supportRateNum; /* b/g mode ra_bitmap */ for (i = 0; i < supportRateNum; i++) { if (psta->bssrateset[i]) tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f); } if (pcur_network->Configuration.DSConfig > 14) { /* force to A mode. 5G doesn't support CCK rates */ network_type = WIRELESS_11A; tx_ra_bitmap = 0x150; /* 6, 12, 24 Mbps */ } else { /* force to b mode */ network_type = WIRELESS_11B; tx_ra_bitmap = 0xf; } raid = networktype_to_raid(network_type); init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f; /* ap mode */ rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true); { u8 arg = 0; arg = psta->mac_id & 0x1f; arg |= BIT(7); tx_ra_bitmap |= ((raid << 28) & 0xf0000000); DBG_88E("%s, mask = 0x%x, arg = 0x%x\n", __func__, tx_ra_bitmap, arg); /* bitmap[0:27] = tx_rate_bitmap */ /* bitmap[28:31]= Rate Adaptive id */ /* arg[0:4] = macid */ /* arg[5] = Short GI */ rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0); } /* set ra_id, init_rate */ psta->raid = raid; psta->init_rate = init_rate; rtw_stassoc_hw_rpt(padapter, psta); spin_lock_bh(&psta->lock); psta->state = _FW_LINKED; spin_unlock_bh(&psta->lock); } else { DBG_88E("add_RATid_bmc_sta error!\n"); } } /* 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; psta->mac_id = psta->aid + 1; DBG_88E("%s\n", __func__); /* 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; /* check if sta support s Short GI */ if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40)) phtpriv_sta->sgi = true; /* bwmode */ if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & IEEE80211_HT_CAP_SUP_WIDTH) { phtpriv_sta->bwmode = pmlmeext->cur_bwmode; phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; } psta->qos_option = true; } else { phtpriv_sta->ampdu_enable = false; phtpriv_sta->sgi = false; phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20; phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; } /* 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 */ /* todo: init other variables */ memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats)); spin_lock_bh(&psta->lock); psta->state |= _FW_LINKED; spin_unlock_bh(&psta->lock); } 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; DBG_88E("%s\n", __func__); /* handle A-MPDU parameter field */ /* ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k ampdu_params_info [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)); /* */ /* Config SM Power Save setting */ /* */ pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2; if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC) DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__); } static void start_bss_network(struct adapter *padapter, u8 *pbuf) { u8 *p; u8 val8, cur_channel, cur_bwmode, cur_ch_offset; u16 bcn_interval; u32 acparm; uint 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; bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod; cur_channel = pnetwork->Configuration.DSConfig; cur_bwmode = HT_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 */ if (pmlmepriv->qospriv.qos_option) pmlmeinfo->WMM_enable = true; if (pmlmepriv->htpriv.ht_option) { pmlmeinfo->WMM_enable = true; pmlmeinfo->HT_enable = true; update_hw_ht_param(padapter); } /* setting only at first time */ if (pmlmepriv->cur_network.join_res != true) { /* 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->MacAddress); /* 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 = 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)); UpdateBrateTbl(padapter, pnetwork->SupportedRates); rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates); if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */ /* turn on all dynamic functions */ Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true); } /* set channel, bwmode */ p = rtw_get_ie((pnetwork->ies + sizeof(struct ndis_802_11_fixed_ie)), _HT_ADD_INFO_IE_, &ie_len, (pnetwork->ie_length - sizeof(struct ndis_802_11_fixed_ie))); if (p && ie_len) { pht_info = (struct HT_info_element *)(p + 2); if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) { /* switch to the 40M Hz mode */ cur_bwmode = HT_CHANNEL_WIDTH_40; switch (pht_info->infos[0] & 0x3) { case 1: cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; break; case 3: cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; break; default: cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; break; } } } /* TODO: need to judge the phy parameters on concurrent * mode for single phy */ set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode); DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset); /* */ 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; /* update cur_wireless_mode */ update_wireless_mode(padapter); /* update capability after cur_wireless_mode updated */ update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork)); /* let pnetwork_mlmeext == pnetwork_mlme. */ memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length); if (pmlmeext->bstart_bss) { update_beacon(padapter, _TIM_IE_, NULL, false); /* issue beacon frame */ if (send_beacon(padapter) == _FAIL) DBG_88E("send_beacon, fail!\n"); } /* update bc/mc sta_info */ update_bmc_sta(padapter); } 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; /* SSID */ /* Supported rates */ /* DS Params */ /* WLAN_EID_COUNTRY */ /* ERP Information element */ /* Extended supported rates */ /* WPA/WPA2 */ /* Wi-Fi Wireless Multimedia Extensions */ /* ht_capab, ht_oper */ /* WPS IE */ DBG_88E("%s, len =%d\n", __func__, len); if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true) 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->InfrastructureMode != Ndis802_11APMode) return _FAIL; pbss_network->Rssi = 0; ether_addr_copy(pbss_network->MacAddress, myid(&padapter->eeprompriv)); /* beacon interval */ p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */ pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p); /* capability */ cap = get_unaligned_le16(ie); /* SSID */ p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &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.SsidLength = ie_len; } /* channel */ channel = 0; pbss_network->Configuration.Length = 0; p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_)); if (p && ie_len > 0) channel = *(p + 2); pbss_network->Configuration.DSConfig = channel; memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX); /* get supported rates */ p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &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_, _EXT_SUPPORTEDRATES_IE_, &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->SupportedRates, network_type); /* parsing ERP_IE */ p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_)); if (p && ie_len > 0) ERP_IE_handler(padapter, (struct ndis_802_11_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_, _RSN_IE_2_, &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, _SSN_IE_1_, &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, _VENDOR_SPECIFIC_IE_, &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; /* QoS Info, support U-APSD */ *(p + 8) |= BIT(7); /* 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_, _HT_CAPABILITY_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_)); if (p && ie_len > 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; 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); /* set Max Rx AMPDU size to 64K */ pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03); 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_, _HT_ADD_INFO_IE_, &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->NetworkTypeInUse = Ndis802_11DS; break; case WIRELESS_11G: case WIRELESS_11BG: case WIRELESS_11G_24N: case WIRELESS_11BG_24N: pbss_network->NetworkTypeInUse = Ndis802_11OFDM24; break; case WIRELESS_11A: pbss_network->NetworkTypeInUse = Ndis802_11OFDM5; break; default: pbss_network->NetworkTypeInUse = 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_802_11_var_ie *)pHT_caps_ie); HT_info_handler(padapter, (struct ndis_802_11_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); /* alloc sta_info for ap itself */ psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress); if (!psta) { psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress); if (!psta) return _FAIL; } /* fix bug of flush_cam_entry at STOP AP mode */ psta->state |= WIFI_AP_STATE; rtw_indicate_connect(padapter); pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */ 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; DBG_88E("%s, mode =%d\n", __func__, mode); 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; DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr)); if ((NUM_ACL - 1) < pacl_list->num) return -1; spin_lock_bh(&pacl_node_q->lock); phead = get_list_head(pacl_node_q); plist = phead->next; while (phead != plist) { paclnode = container_of(plist, struct rtw_wlan_acl_node, list); plist = plist->next; if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { if (paclnode->valid) { added = true; DBG_88E("%s, sta has been added\n", __func__); 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); ether_addr_copy(paclnode->addr, addr); paclnode->valid = true; list_add_tail(&paclnode->list, get_list_head(pacl_node_q)); pacl_list->num++; break; } } DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num); spin_unlock_bh(&pacl_node_q->lock); return ret; } int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr) { struct list_head *plist, *phead; 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; DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr)); spin_lock_bh(&pacl_node_q->lock); phead = get_list_head(pacl_node_q); plist = phead->next; while (phead != plist) { paclnode = container_of(plist, struct rtw_wlan_acl_node, list); plist = plist->next; if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { if (paclnode->valid) { paclnode->valid = false; list_del_init(&paclnode->list); pacl_list->num--; } } } spin_unlock_bh(&pacl_node_q->lock); DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num); return 0; } 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; DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable); if (!pmlmeinfo->ERP_enable) return; /* parsing ERP_IE */ p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len, (pnetwork->ie_length - _BEACON_IE_OFFSET_)); if (p && len > 0) { struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_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_wps_ie(struct adapter *padapter) { u8 *pwps_ie = NULL, *pwps_ie_src; u8 *premainder_ie, *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; DBG_88E("%s\n", __func__); pwps_ie_src = pmlmepriv->wps_beacon_ie; if (!pwps_ie_src) return; pwps_ie = rtw_get_wps_ie(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen); if (!pwps_ie || wps_ielen == 0) 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_vendor_spec_ie(struct adapter *padapter, u8 *oui) { DBG_88E("%s\n", __func__); if (!memcmp(WPS_OUI, oui, 4)) update_bcn_wps_ie(padapter); else DBG_88E("unknown OUI type!\n"); } void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx) { struct mlme_priv *pmlmepriv; struct mlme_ext_priv *pmlmeext; if (!padapter) return; pmlmepriv = &padapter->mlmepriv; pmlmeext = &padapter->mlmeextpriv; if (!pmlmeext->bstart_bss) return; spin_lock_bh(&pmlmepriv->bcn_update_lock); switch (ie_id) { case _TIM_IE_: update_BCNTIM(padapter); break; case _ERPINFO_IE_: update_bcn_erpinfo_ie(padapter); break; case _VENDOR_SPECIFIC_IE_: update_bcn_vendor_spec_ie(padapter, oui); break; default: break; } pmlmepriv->update_bcn = true; spin_unlock_bh(&pmlmepriv->bcn_update_lock); if (tx) 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; DBG_88E("%s current operation mode = 0x%X\n", __func__, pmlmepriv->ht_op_mode); if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) && pmlmepriv->num_sta_ht_no_gf) { pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT; op_mode_changes++; } else if ((pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) && pmlmepriv->num_sta_ht_no_gf == 0) { pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT; op_mode_changes++; } if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) && (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) { pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT; op_mode_changes++; } else if ((pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) && (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) { pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT; 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 & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT)) new_op_mode = OP_MODE_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 = OP_MODE_20MHZ_HT_STA_ASSOCED; else if (pmlmepriv->olbc_ht) new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS; else new_op_mode = OP_MODE_PURE; cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK; if (cur_op_mode != new_op_mode) { pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK; pmlmepriv->ht_op_mode |= new_op_mode; op_mode_changes++; } DBG_88E("%s new operation mode = 0x%X changes =%d\n", __func__, pmlmepriv->ht_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; plist = phead->next; /* check asoc_queue */ while (phead != plist) { psta = container_of(plist, struct sta_info, asoc_list); plist = plist->next; 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, _ERPINFO_IE_, 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, _ERPINFO_IE_, 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); DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n", (psta->hwaddr), ht_capab); 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++; } DBG_88E("%s STA %pM - no greenfield, num of non-gf stations %d\n", __func__, (psta->hwaddr), 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++; } DBG_88E("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n", __func__, (psta->hwaddr), pmlmepriv->num_sta_ht_20mhz); } } else { if (!psta->no_ht_set) { psta->no_ht_set = 1; pmlmepriv->num_sta_no_ht++; } if (pmlmepriv->htpriv.ht_option) { DBG_88E("%s STA %pM - no HT, num of non-HT stations %d\n", __func__, (psta->hwaddr), pmlmepriv->num_sta_no_ht); } } if (rtw_ht_operation_update(padapter) > 0) { update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false); update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true); } /* update associated stations cap. */ associated_clients_update(padapter, beacon_updated); DBG_88E("%s, updated =%d\n", __func__, 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, _ERPINFO_IE_, 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, _HT_CAPABILITY_IE_, NULL, false); update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true); } /* update associated stations cap. */ DBG_88E("%s, updated =%d\n", __func__, beacon_updated); return beacon_updated; } u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta, bool active, u16 reason) { u8 beacon_updated = false; struct sta_priv *pstapriv = &padapter->stapriv; if (!psta) return beacon_updated; /* tear down Rx AMPDU */ send_delba(padapter, 0, psta->hwaddr);/* recipient */ /* tear down TX AMPDU */ send_delba(padapter, 1, psta->hwaddr);/* originator */ psta->htpriv.agg_enable_bitmap = 0x0;/* reset */ psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */ if (active) issue_deauth(padapter, psta->hwaddr, reason); /* clear cam entry / key */ rtw_clearstakey_cmd(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), true); spin_lock_bh(&psta->lock); psta->state &= ~_FW_LINKED; spin_unlock_bh(&psta->lock); rtw_indicate_sta_disassoc_event(padapter, psta); report_del_sta_event(padapter, psta->hwaddr, reason); beacon_updated = bss_cap_update_on_sta_leave(padapter, psta); spin_lock_bh(&pstapriv->sta_hash_lock); rtw_free_stainfo(padapter, psta); spin_unlock_bh(&pstapriv->sta_hash_lock); return beacon_updated; } int rtw_sta_flush(struct adapter *padapter) { struct list_head *phead, *plist; 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}; DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev)); if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE) return 0; spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; plist = phead->next; /* free sta asoc_queue */ while (phead != plist) { psta = container_of(plist, struct sta_info, asoc_list); plist = plist->next; list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING); } spin_unlock_bh(&pstapriv->asoc_list_lock); issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING); associated_clients_update(padapter, true); return 0; } /* 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) { if (psta->state & _FW_LINKED) { /* add ratid */ add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */ } } 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; 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; /* 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; 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); plist = phead->next; while (phead != plist) { paclnode = container_of(plist, struct rtw_wlan_acl_node, list); plist = plist->next; if (paclnode->valid) { paclnode->valid = false; list_del_init(&paclnode->list); pacl_list->num--; } } spin_unlock_bh(&pacl_node_q->lock); DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num); rtw_sta_flush(padapter); /* free_assoc_sta_resources */ rtw_free_all_stainfo(padapter); psta = rtw_get_bcmc_stainfo(padapter); spin_lock_bh(&pstapriv->sta_hash_lock); rtw_free_stainfo(padapter, psta); spin_unlock_bh(&pstapriv->sta_hash_lock); rtw_init_bcmc_stainfo(padapter); rtw_free_mlme_priv_ie_data(pmlmepriv); } #endif /* CPTCFG_88EU_AP_MODE */