/****************************************************************************** * * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * ******************************************************************************/ #define _RTW_AP_C_ #include #include #include #include #include #include extern unsigned char WMM_OUI23A[]; extern unsigned char WPS_OUI23A[]; extern unsigned char P2P_OUI23A[]; void init_mlme_ap_info23a(struct rtw_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_queue23a(&pacl_list->acl_node_q); start_ap_mode23a(padapter); } void free_mlme_ap_info23a(struct rtw_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_flush23a(padapter); pmlmeinfo->state = MSR_NOLINK; /* free_assoc_sta_resources */ rtw_free_all_stainfo23a(padapter); /* free bc/mc sta_info */ psta = rtw_get_bcmc_stainfo23a(padapter); spin_lock_bh(&pstapriv->sta_hash_lock); rtw_free_stainfo23a(padapter, psta); spin_unlock_bh(&pstapriv->sta_hash_lock); } static void update_BCNTIM(struct rtw_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, *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_ie23a(pie, WLAN_EID_TIM, &tim_ielen, pnetwork_mlmeext->IELength); if (p != NULL && tim_ielen > 0) { tim_ielen += 2; premainder_ie = p+tim_ielen; tim_ie_offset = (int)(p - pie); remainder_ielen = pnetwork_mlmeext->IELength - tim_ie_offset - tim_ielen; /* append TIM IE from dst_ie offset */ dst_ie = p; } else { tim_ielen = 0; /* calculate head_len */ offset = 0; /* get ssid_ie len */ p = rtw_get_ie23a(pie, WLAN_EID_SSID, &tmp_len, pnetwork_mlmeext->IELength); if (p != NULL) offset += tmp_len+2; /* get supported rates len */ p = rtw_get_ie23a(pie, WLAN_EID_SUPP_RATES, &tmp_len, pnetwork_mlmeext->IELength); if (p != NULL) offset += tmp_len+2; /* DS Parameter Set IE, len = 3 */ offset += 3; premainder_ie = pie + offset; remainder_ielen = pnetwork_mlmeext->IELength - offset - tim_ielen; /* append TIM IE from offset */ dst_ie = pie + offset; } if (remainder_ielen > 0) { pbackup_remainder_ie = kmalloc(remainder_ielen, GFP_ATOMIC); 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&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++ = *(u8 *)&tim_bitmap_le; } 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->IELength = offset + remainder_ielen; set_tx_beacon_cmd23a(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)) ret = true; sta_update_last_rx_pkts(psta); return ret; } void expire_timeout_chk23a(struct rtw_adapter *padapter) { struct list_head *phead, *plist, *ptmp; u8 updated = 0; struct sta_info *psta; struct sta_priv *pstapriv = &padapter->stapriv; u8 chk_alive_num = 0; struct sta_info *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, ptmp, phead) { psta = container_of(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--; DBG_8723A("auth expire %pM\n", psta->hwaddr); spin_unlock_bh(&pstapriv->auth_list_lock); spin_lock_bh(&pstapriv->sta_hash_lock); rtw_free_stainfo23a(padapter, psta); spin_unlock_bh(&pstapriv->sta_hash_lock); spin_lock_bh(&pstapriv->auth_list_lock); } } } spin_unlock_bh(&pstapriv->auth_list_lock); spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; /* check asoc_queue */ list_for_each_safe(plist, ptmp, phead) { psta = container_of(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; } 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 |= CHKBIT(psta->aid); update_beacon23a(padapter, WLAN_EID_TIM, NULL, false); if (!pmlmeext->active_keep_alive_check) continue; } } if (pmlmeext->active_keep_alive_check) { chk_alive_list[chk_alive_num++] = psta; continue; } list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; DBG_8723A("asoc expire "MAC_FMT", state = 0x%x\n", MAC_ARG(psta->hwaddr), psta->state); updated = ap_free_sta23a(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) ) { DBG_8723A("%s sta:"MAC_FMT", sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__, MAC_ARG(psta->hwaddr), psta->sleepq_len, padapter->xmitpriv.free_xmitframe_cnt, pstapriv->asoc_list_cnt); wakeup_sta_to_xmit23a(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_ch23a(padapter) != pmlmeext->cur_channel) { backup_oper_channel = rtw_get_oper_ch23a(padapter); SelectChannel23a(padapter, pmlmeext->cur_channel); } /* issue null data to check sta alive*/ for (i = 0; i < chk_alive_num; i++) { int ret = _FAIL; psta = chk_alive_list[i]; if (!(psta->state & _FW_LINKED)) continue; if (psta->state & WIFI_SLEEP_STATE) ret = issue_nulldata23a(padapter, psta->hwaddr, 0, 1, 50); else ret = issue_nulldata23a(padapter, psta->hwaddr, 0, 3, 50); psta->keep_alive_trycnt++; if (ret == _SUCCESS) { DBG_8723A("asoc check, sta(" MAC_FMT ") is alive\n", MAC_ARG(psta->hwaddr)); psta->expire_to = pstapriv->expire_to; psta->keep_alive_trycnt = 0; continue; } else if (psta->keep_alive_trycnt <= 3) { DBG_8723A("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_8723A("asoc expire "MAC_FMT", state = 0x%x\n", MAC_ARG(psta->hwaddr), psta->state); spin_lock_bh(&pstapriv->asoc_list_lock); if (!list_empty(&psta->asoc_list)) { list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; updated = ap_free_sta23a(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 */ SelectChannel23a(padapter, backup_oper_channel); } associated_clients_update23a(padapter, updated); } void add_RATid23a(struct rtw_adapter *padapter, struct sta_info *psta, u8 rssi_level) { int i; u8 rf_type; u32 init_rate = 0; unsigned char sta_band = 0, raid, shortGIrate = false; unsigned char limit; unsigned int tx_ra_bitmap = 0; struct ht_priv *psta_ht = NULL; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct wlan_bssid_ex *pcur_network = &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_value23a(psta->bssrateset[i]&0x7f); } /* n mode ra_bitmap */ if (psta_ht->ht_option) { rf_type = rtl8723a_get_rf_type(padapter); if (rf_type == RF_2T2R) limit = 16;/* 2R */ else limit = 8;/* 1R */ for (i = 0; i < limit; i++) { if (psta_ht->ht_cap.mcs.rx_mask[i / 8] & BIT(i % 8)) tx_ra_bitmap |= BIT(i + 12); } /* max short GI rate */ shortGIrate = psta_ht->sgi; } if (pcur_network->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_raid23a(sta_band); init_rate = get_highest_rate_idx23a(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 == true) arg |= BIT(5); tx_ra_bitmap |= ((raid<<28)&0xf0000000); DBG_8723A("%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 */ rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, rssi_level); if (shortGIrate == true) init_rate |= BIT(6); /* set ra_id, init_rate */ psta->raid = raid; psta->init_rate = init_rate; } else DBG_8723A("station aid %d exceed the max number\n", psta->aid); } static void update_bmc_sta(struct rtw_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 = &pmlmepriv->cur_network.network; struct sta_info *psta = rtw_get_bcmc_stainfo23a(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((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats)); /* prepare for add_RATid23a */ supportRateNum = rtw_get_rateset_len23a((u8*)&pcur_network->SupportedRates); network_type = rtw_check_network_type23a((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_value23a(psta->bssrateset[i]&0x7f); } if (pcur_network->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_raid23a(network_type); init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f; /* ap mode */ rtl8723a_SetHalODMVar(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_8723A("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg); /* bitmap[0:27] = tx_rate_bitmap */ /* bitmap[28:31]= Rate Adaptive id */ /* arg[0:4] = macid */ /* arg[5] = Short GI */ rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, 0); } /* set ra_id, init_rate */ psta->raid = raid; psta->init_rate = init_rate; spin_lock_bh(&psta->lock); psta->state = _FW_LINKED; spin_unlock_bh(&psta->lock); } else DBG_8723A("add_RATid23a_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_info23a_apmode23a(struct rtw_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; /* set intf_tag to if1 */ psta->mac_id = psta->aid+1; DBG_8723A("%s\n", __func__); /* ap mode */ rtl8723a_SetHalODMVar(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_update23a(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 ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20|IEEE80211_HT_CAP_SGI_40)) phtpriv_sta->sgi = true; /* bwmode */ if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40)) { /* phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_40; */ 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_delba23a(padapter, 0, psta->hwaddr);/* recipient */ /* TX AMPDU */ send_delba23a(padapter, 1, psta->hwaddr);/* originator */ phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */ phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */ /* todo: init other variables */ memset((void *)&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 rtw_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_8723A("%s\n", __func__); /* handle A-MPDU parameter field */ /* AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k AMPDU_para [4:2]:Min MPDU Start Spacing */ max_AMPDU_len = pmlmeinfo->ht_cap.ampdu_params_info & IEEE80211_HT_AMPDU_PARM_FACTOR; min_MPDU_spacing = (pmlmeinfo->ht_cap.ampdu_params_info & IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2; rtl8723a_set_ampdu_min_space(padapter, min_MPDU_spacing); rtl8723a_set_ampdu_factor(padapter, max_AMPDU_len); /* Config SM Power Save setting */ pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->ht_cap.cap_info) & IEEE80211_HT_CAP_SM_PS) >> 2; if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC) DBG_8723A("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__); } static void start_bss_network(struct rtw_adapter *padapter, u8 *pbuf) { const u8 *p; u8 val8, cur_channel, cur_bwmode, cur_ch_offset; u16 bcn_interval; u32 acparm; struct registry_priv *pregpriv = &padapter->registrypriv; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct security_priv *psecuritypriv = &padapter->securitypriv; struct wlan_bssid_ex *pnetwork = &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 ieee80211_ht_operation *pht_info = NULL; bcn_interval = (u16)pnetwork->beacon_interval; cur_channel = pnetwork->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 (NULL == cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, WLAN_OUI_TYPE_MICROSOFT_WPS, pnetwork->IEs, pnetwork->IELength)) pmlmeext->bstart_bss = true; /* todo: update wmm, ht cap */ /* pmlmeinfo->WMM_enable; */ /* pmlmeinfo->HT_enable; */ if (pmlmepriv->qos_option) pmlmeinfo->WMM_enable = true; if (pmlmepriv->htpriv.ht_option) { pmlmeinfo->WMM_enable = true; pmlmeinfo->HT_enable = true; update_hw_ht_param(padapter); } if (pmlmepriv->cur_network.join_res != true) { /* setting only at first time */ /* WEP Key will be set before this function, do not clear CAM. */ if (psecuritypriv->dot11PrivacyAlgrthm != WLAN_CIPHER_SUITE_WEP40 && psecuritypriv->dot11PrivacyAlgrthm != WLAN_CIPHER_SUITE_WEP104) flush_all_cam_entry23a(padapter); /* clear CAM */ } /* set MSR to AP_Mode */ rtl8723a_set_media_status(padapter, MSR_AP); /* Set BSSID REG */ hw_var_set_bssid(padapter, pnetwork->MacAddress); /* Set EDCA param reg */ acparm = 0x002F3217; /* VO */ rtl8723a_set_ac_param_vo(padapter, acparm); acparm = 0x005E4317; /* VI */ rtl8723a_set_ac_param_vi(padapter, acparm); acparm = 0x005ea42b; rtl8723a_set_ac_param_be(padapter, acparm); acparm = 0x0000A444; /* BK */ rtl8723a_set_ac_param_bk(padapter, acparm); /* Set Security */ val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf; rtl8723a_set_sec_cfg(padapter, val8); /* Beacon Control related register */ rtl8723a_set_beacon_interval(padapter, bcn_interval); UpdateBrateTbl23a(padapter, pnetwork->SupportedRates); HalSetBrateCfg23a(padapter, pnetwork->SupportedRates); if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */ /* disable dynamic functions, such as high power, DIG */ /* turn on all dynamic functions */ rtl8723a_odm_support_ability_set(padapter, DYNAMIC_ALL_FUNC_ENABLE); } /* set channel, bwmode */ p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, pnetwork->IEs, pnetwork->IELength); if (p && p[1]) { pht_info = (struct ieee80211_ht_operation *)(p + 2); if (pregpriv->cbw40_enable && pht_info->ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) { /* switch to the 40M Hz mode */ cur_bwmode = HT_CHANNEL_WIDTH_40; switch (pht_info->ht_param & IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: /* pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; */ cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; break; case IEEE80211_HT_PARAM_CHA_SEC_BELOW: 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_bwmode23a(padapter, cur_channel, cur_ch_offset, cur_bwmode); DBG_8723A("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_mode23a(padapter); /* update capability after cur_wireless_mode updated */ update_capinfo23a(padapter, pnetwork->capability); /* let pnetwork_mlmeext == pnetwork_mlme. */ memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length); if (pmlmeext->bstart_bss) { update_beacon23a(padapter, WLAN_EID_TIM, NULL, false); /* issue beacon frame */ if (send_beacon23a(padapter) == _FAIL) DBG_8723A("issue_beacon23a, fail!\n"); } /* update bc/mc sta_info */ update_bmc_sta(padapter); } int rtw_check_beacon_data23a(struct rtw_adapter *padapter, struct ieee80211_mgmt *mgmt, unsigned int len) { int ret = _SUCCESS; u8 *p; u8 *pHT_caps_ie = NULL; u8 *pHT_info_ie = NULL; struct sta_info *psta = NULL; u16 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 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 = &pmlmepriv->cur_network.network; u8 *ie = pbss_network->IEs; u8 *pbuf = mgmt->u.beacon.variable; len -= offsetof(struct ieee80211_mgmt, u.beacon.variable); /* 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_8723A("%s, len =%d\n", __func__, len); if (!check_fwstate(pmlmepriv, WIFI_AP_STATE)) return _FAIL; if (len > MAX_IE_SZ) return _FAIL; pbss_network->IELength = len; memset(ie, 0, MAX_IE_SZ); memcpy(ie, pbuf, pbss_network->IELength); if (pbss_network->ifmode != NL80211_IFTYPE_AP && pbss_network->ifmode != NL80211_IFTYPE_P2P_GO) return _FAIL; pbss_network->Rssi = 0; memcpy(pbss_network->MacAddress, myid(&padapter->eeprompriv), ETH_ALEN); /* SSID */ p = rtw_get_ie23a(ie, WLAN_EID_SSID, &ie_len, pbss_network->IELength); if (p && ie_len > 0) { memset(&pbss_network->Ssid, 0, sizeof(struct cfg80211_ssid)); memcpy(pbss_network->Ssid.ssid, (p + 2), ie_len); pbss_network->Ssid.ssid_len = ie_len; } /* channel */ channel = 0; p = rtw_get_ie23a(ie, WLAN_EID_DS_PARAMS, &ie_len, pbss_network->IELength); if (p && ie_len > 0) channel = *(p + 2); pbss_network->DSConfig = channel; memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX); /* get supported rates */ p = rtw_get_ie23a(ie, WLAN_EID_SUPP_RATES, &ie_len, pbss_network->IELength); if (p) { memcpy(supportRate, p+2, ie_len); supportRateNum = ie_len; } /* get ext_supported rates */ p = rtw_get_ie23a(ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, pbss_network->IELength); if (p) { memcpy(supportRate+supportRateNum, p+2, ie_len); supportRateNum += ie_len; } network_type = rtw_check_network_type23a(supportRate, supportRateNum, channel); rtw_set_supported_rate23a(pbss_network->SupportedRates, network_type); /* parsing ERP_IE */ p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &ie_len, pbss_network->IELength); if (p && ie_len > 0) ERP_IE_handler23a(padapter, p); /* update privacy/security */ if (pbss_network->capability & 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 = 0; psecuritypriv->wpa2_pairwise_cipher = 0; p = rtw_get_ie23a(ie, WLAN_EID_RSN, &ie_len, pbss_network->IELength); if (p && ie_len > 0) { if (rtw_parse_wpa2_ie23a(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 = 0; psecuritypriv->wpa_pairwise_cipher = 0; for (p = ie; ;p += (ie_len + 2)) { p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len, pbss_network->IELength - (ie_len + 2)); if ((p) && (!memcmp(p+2, RTW_WPA_OUI23A_TYPE, 4))) { if (rtw_parse_wpa_ie23a(p, ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) { psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X; /* psk, todo:802.1x */ psecuritypriv->dot8021xalg = 1; psecuritypriv->wpa_psk |= BIT(0); psecuritypriv->wpa_group_cipher = group_cipher; psecuritypriv->wpa_pairwise_cipher = pairwise_cipher; } break; } if ((p == NULL) || (ie_len == 0)) break; } /* wmm */ ie_len = 0; pmlmepriv->qos_option = 0; if (pregistrypriv->wmm_enable) { for (p = ie; ;p += (ie_len + 2)) { p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len, (pbss_network->IELength - (ie_len + 2))); if ((p) && !memcmp(p+2, WMM_PARA_IE, 6)) { pmlmepriv->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 == NULL) || (ie_len == 0)) break; } } /* parsing HT_CAP_IE */ p = rtw_get_ie23a(ie, WLAN_EID_HT_CAPABILITY, &ie_len, pbss_network->IELength); if (p && ie_len > 0) { u8 rf_type; struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p+2); pHT_caps_ie = p; ht_cap = true; network_type |= WIRELESS_11_24N; rf_type = rtl8723a_get_rf_type(padapter); if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) || (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP)) pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & (0x07<<2)); else pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY&0x00); /* set Max Rx AMPDU size to 64K */ pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_FACTOR & 0x03); if (rf_type == RF_1T1R) { 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_ie23a(ie, WLAN_EID_HT_OPERATION, &ie_len, pbss_network->IELength); if (p && ie_len > 0) pHT_info_ie = p; pmlmepriv->cur_network.network_type = network_type; pmlmepriv->htpriv.ht_option = false; /* ht_cap */ if (pregistrypriv->ht_enable && ht_cap) { pmlmepriv->htpriv.ht_option = true; pmlmepriv->qos_option = 1; if (pregistrypriv->ampdu_enable == 1) pmlmepriv->htpriv.ampdu_enable = true; HT_caps_handler23a(padapter, pHT_caps_ie); HT_info_handler23a(padapter, pHT_info_ie); } pbss_network->Length = get_wlan_bssid_ex_sz(pbss_network); /* issue beacon to start bss network */ start_bss_network(padapter, (u8 *)pbss_network); /* alloc sta_info for ap itself */ psta = rtw_get_stainfo23a(&padapter->stapriv, pbss_network->MacAddress); if (!psta) { psta = rtw_alloc_stainfo23a(&padapter->stapriv, pbss_network->MacAddress, GFP_KERNEL); if (!psta) return _FAIL; } /* fix bug of flush_cam_entry at STOP AP mode */ psta->state |= WIFI_AP_STATE; rtw_indicate_connect23a(padapter); /* for check if already set beacon */ pmlmepriv->cur_network.join_res = true; return ret; } void rtw_set_macaddr_acl23a(struct rtw_adapter *padapter, int mode) { struct sta_priv *pstapriv = &padapter->stapriv; struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; DBG_8723A("%s, mode =%d\n", __func__, mode); pacl_list->mode = mode; } int rtw_acl_add_sta23a(struct rtw_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 rtw_queue *pacl_node_q = &pacl_list->acl_node_q; DBG_8723A("%s(acl_num =%d) =" MAC_FMT "\n", __func__, pacl_list->num, MAC_ARG(addr)); 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 = container_of(plist, struct rtw_wlan_acl_node, list); if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { if (paclnode->valid == true) { added = true; DBG_8723A("%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); memcpy(paclnode->addr, addr, ETH_ALEN); paclnode->valid = true; list_add_tail(&paclnode->list, get_list_head(pacl_node_q)); pacl_list->num++; break; } } DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num); spin_unlock_bh(&pacl_node_q->lock); return ret; } int rtw_acl_remove_sta23a(struct rtw_adapter *padapter, u8 *addr) { struct list_head *plist, *phead, *ptmp; struct rtw_wlan_acl_node *paclnode; struct sta_priv *pstapriv = &padapter->stapriv; struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q; DBG_8723A("%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); list_for_each_safe(plist, ptmp, phead) { paclnode = container_of(plist, struct rtw_wlan_acl_node, list); 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_8723A("%s, acl_num =%d\n", __func__, pacl_list->num); return 0; } static void update_bcn_fixed_ie(struct rtw_adapter *padapter) { DBG_8723A("%s\n", __func__); } static void update_bcn_erpinfo_ie(struct rtw_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_8723A("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable); if (!pmlmeinfo->ERP_enable) return; /* parsing ERP_IE */ p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &len, pnetwork->IELength); if (p && len > 0) { if (pmlmepriv->num_sta_non_erp == 1) p[2] |= WLAN_ERP_NON_ERP_PRESENT | WLAN_ERP_USE_PROTECTION; else p[2] &= ~(WLAN_ERP_NON_ERP_PRESENT | WLAN_ERP_USE_PROTECTION); if (pmlmepriv->num_sta_no_short_preamble > 0) p[2] |= WLAN_ERP_BARKER_PREAMBLE; else p[2] &= ~(WLAN_ERP_BARKER_PREAMBLE); ERP_IE_handler23a(padapter, p); } } static void update_bcn_htcap_ie(struct rtw_adapter *padapter) { DBG_8723A("%s\n", __func__); } static void update_bcn_htinfo_ie(struct rtw_adapter *padapter) { DBG_8723A("%s\n", __func__); } static void update_bcn_rsn_ie(struct rtw_adapter *padapter) { DBG_8723A("%s\n", __func__); } static void update_bcn_wpa_ie(struct rtw_adapter *padapter) { DBG_8723A("%s\n", __func__); } static void update_bcn_wmm_ie(struct rtw_adapter *padapter) { DBG_8723A("%s\n", __func__); } static void update_bcn_wps_ie(struct rtw_adapter *padapter) { DBG_8723A("%s\n", __func__); } static void update_bcn_p2p_ie(struct rtw_adapter *padapter) { } static void update_bcn_vendor_spec_ie(struct rtw_adapter *padapter, u8*oui) { DBG_8723A("%s\n", __func__); if (!memcmp(RTW_WPA_OUI23A_TYPE, oui, 4)) update_bcn_wpa_ie(padapter); else if (!memcmp(WMM_OUI23A, oui, 4)) update_bcn_wmm_ie(padapter); else if (!memcmp(WPS_OUI23A, oui, 4)) update_bcn_wps_ie(padapter); else if (!memcmp(P2P_OUI23A, oui, 4)) update_bcn_p2p_ie(padapter); else DBG_8723A("unknown OUI type!\n"); } void update_beacon23a(struct rtw_adapter *padapter, u8 ie_id, u8 *oui, u8 tx) { struct mlme_priv *pmlmepriv; struct mlme_ext_priv *pmlmeext; /* struct mlme_ext_info *pmlmeinfo; */ /* DBG_8723A("%s\n", __func__); */ if (!padapter) return; pmlmepriv = &padapter->mlmepriv; pmlmeext = &padapter->mlmeextpriv; /* pmlmeinfo = &pmlmeext->mlmext_info; */ if (false == pmlmeext->bstart_bss) return; spin_lock_bh(&pmlmepriv->bcn_update_lock); switch (ie_id) { case 0xFF: /* 8: TimeStamp, 2: Beacon Interval 2:Capability */ update_bcn_fixed_ie(padapter); 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) set_tx_beacon_cmd23a(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 rtw_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 (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed) */ /* return 0; */ DBG_8723A("%s current operation mode = 0x%X\n", __func__, pmlmepriv->ht_op_mode); 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. */ 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_20_40) && 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++; } DBG_8723A("%s new operation mode = 0x%X changes =%d\n", __func__, pmlmepriv->ht_op_mode, op_mode_changes); return op_mode_changes; } void associated_clients_update23a(struct rtw_adapter *padapter, u8 updated) { /* update associated stations cap. */ if (updated == true) { struct list_head *phead, *plist, *ptmp; struct sta_info *psta; struct sta_priv *pstapriv = &padapter->stapriv; spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; list_for_each_safe(plist, ptmp, phead) { psta = container_of(plist, struct sta_info, asoc_list); VCS_update23a(padapter, psta); } spin_unlock_bh(&pstapriv->asoc_list_lock); } } /* called > TSR LEVEL for USB or SDIO Interface*/ void bss_cap_update_on_sta_join23a(struct rtw_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_beacon23a(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_beacon23a(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_beacon23a(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_beacon23a(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_beacon23a(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_beacon23a(padapter, 0xFF, NULL, true); } } } if (psta->flags & WLAN_STA_HT) { u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info); DBG_8723A("HT: STA " MAC_FMT " HT Capabilities " "Info: 0x%04x\n", MAC_ARG(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_8723A("%s STA " MAC_FMT " - no " "greenfield, num of non-gf stations %d\n", __func__, MAC_ARG(psta->hwaddr), pmlmepriv->num_sta_ht_no_gf); } if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH_20_40) == 0) { if (!psta->ht_20mhz_set) { psta->ht_20mhz_set = 1; pmlmepriv->num_sta_ht_20mhz++; } DBG_8723A("%s STA " MAC_FMT " - 20 MHz HT, " "num of 20MHz HT STAs %d\n", __func__, MAC_ARG(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_8723A("%s STA " MAC_FMT " - no HT, num of non-HT stations %d\n", __func__, MAC_ARG(psta->hwaddr), pmlmepriv->num_sta_no_ht); } } if (rtw_ht_operation_update(padapter) > 0) { update_beacon23a(padapter, WLAN_EID_HT_CAPABILITY, NULL, false); update_beacon23a(padapter, WLAN_EID_HT_OPERATION, NULL, true); } /* update associated stations cap. */ associated_clients_update23a(padapter, beacon_updated); DBG_8723A("%s, updated =%d\n", __func__, beacon_updated); } u8 bss_cap_update_on_sta_leave23a(struct rtw_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_beacon23a(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_beacon23a(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_beacon23a(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_beacon23a(padapter, WLAN_EID_HT_CAPABILITY, NULL, false); update_beacon23a(padapter, WLAN_EID_HT_OPERATION, NULL, true); } /* update associated stations cap. */ DBG_8723A("%s, updated =%d\n", __func__, beacon_updated); return beacon_updated; } u8 ap_free_sta23a(struct rtw_adapter *padapter, struct sta_info *psta, bool active, u16 reason) { struct sta_priv *pstapriv = &padapter->stapriv; u8 beacon_updated = false; if (!psta) return beacon_updated; if (active) { /* tear down Rx AMPDU */ send_delba23a(padapter, 0, psta->hwaddr);/* recipient */ /* tear down TX AMPDU */ send_delba23a(padapter, 1, psta->hwaddr);/* originator */ issue_deauth23a(padapter, psta->hwaddr, reason); } psta->htpriv.agg_enable_bitmap = 0x0;/* reset */ psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */ /* report_del_sta_event23a(padapter, psta->hwaddr, reason); */ /* clear cam entry / key */ /* clear_cam_entry23a(padapter, (psta->mac_id + 3)); */ rtw_clearstakey_cmd23a(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), 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_event23a(padapter, psta->hwaddr, reason); beacon_updated = bss_cap_update_on_sta_leave23a(padapter, psta); spin_lock_bh(&pstapriv->sta_hash_lock); rtw_free_stainfo23a(padapter, psta); spin_unlock_bh(&pstapriv->sta_hash_lock); return beacon_updated; } int rtw_ap_inform_ch_switch23a (struct rtw_adapter *padapter, u8 new_ch, u8 ch_offset) { 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}; if ((pmlmeinfo->state&0x03) != MSR_AP) return 0; DBG_8723A("%s(%s): with ch:%u, offset:%u\n", __func__, padapter->pnetdev->name, new_ch, ch_offset); spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; list_for_each(plist, phead) { psta = container_of(plist, struct sta_info, asoc_list); issue_action_spct_ch_switch23a (padapter, psta->hwaddr, new_ch, ch_offset); psta->expire_to = ((pstapriv->expire_to * 2) > 5) ? 5 : (pstapriv->expire_to * 2); } spin_unlock_bh(&pstapriv->asoc_list_lock); issue_action_spct_ch_switch23a (padapter, bc_addr, new_ch, ch_offset); return 0; } int rtw_sta_flush23a(struct rtw_adapter *padapter) { struct list_head *phead, *plist, *ptmp; struct sta_info *psta; 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}; u8 chk_alive_num = 0; struct sta_info *chk_alive_list[NUM_STA]; int i; DBG_8723A("%s(%s)\n", __func__, padapter->pnetdev->name); if ((pmlmeinfo->state&0x03) != MSR_AP) return 0; spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; list_for_each_safe(plist, ptmp, phead) { psta = container_of(plist, struct sta_info, asoc_list); /* Remove sta from asoc_list */ list_del_init(&psta->asoc_list); pstapriv->asoc_list_cnt--; /* Keep sta for ap_free_sta23a() beyond this asoc_list loop */ chk_alive_list[chk_alive_num++] = psta; } spin_unlock_bh(&pstapriv->asoc_list_lock); /* For each sta in chk_alive_list, call ap_free_sta23a */ for (i = 0; i < chk_alive_num; i++) ap_free_sta23a(padapter, chk_alive_list[i], true, WLAN_REASON_DEAUTH_LEAVING); issue_deauth23a(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING); associated_clients_update23a(padapter, true); return 0; } /* called > TSR LEVEL for USB or SDIO Interface*/ void sta_info_update23a(struct rtw_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->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_info23a_apmode23a(padapter, psta); } /* called >= TSR LEVEL for USB or SDIO Interface*/ void ap_sta_info_defer_update23a(struct rtw_adapter *padapter, struct sta_info *psta) { if (psta->state & _FW_LINKED) { /* add ratid */ add_RATid23a(padapter, psta, 0);/* DM_RATR_STA_INIT */ } } /* restore hw setting from sw data structures */ void rtw_ap_restore_network(struct rtw_adapter *padapter) { struct mlme_priv *mlmepriv = &padapter->mlmepriv; 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, *ptmp; u8 chk_alive_num = 0; struct sta_info *chk_alive_list[NUM_STA]; int i; rtw_setopmode_cmd23a(padapter, NL80211_IFTYPE_AP); set_channel_bwmode23a(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); start_bss_network(padapter, (u8 *)&mlmepriv->cur_network.network); if (padapter->securitypriv.dot11PrivacyAlgrthm == WLAN_CIPHER_SUITE_TKIP || padapter->securitypriv.dot11PrivacyAlgrthm == WLAN_CIPHER_SUITE_CCMP) { /* restore group key, WEP keys is restored in ips_leave23a() */ rtw_set_key23a(padapter, psecuritypriv, psecuritypriv->dot118021XGrpKeyid, 0); } /* per sta pairwise key and settings */ if (padapter->securitypriv.dot11PrivacyAlgrthm != WLAN_CIPHER_SUITE_TKIP && padapter->securitypriv.dot11PrivacyAlgrthm != WLAN_CIPHER_SUITE_CCMP) { return; } spin_lock_bh(&pstapriv->asoc_list_lock); phead = &pstapriv->asoc_list; list_for_each_safe(plist, ptmp, phead) { psta = container_of(plist, struct sta_info, asoc_list); chk_alive_list[chk_alive_num++] = psta; } spin_unlock_bh(&pstapriv->asoc_list_lock); for (i = 0; i < chk_alive_num; i++) { psta = chk_alive_list[i]; if (psta->state & _FW_LINKED) { Update_RA_Entry23a(padapter, psta); /* pairwise key */ rtw_setstakey_cmd23a(padapter, (unsigned char *)psta, true); } } } void start_ap_mode23a(struct rtw_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_info23a(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; /* 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_mode23a(struct rtw_adapter *padapter) { struct list_head *phead, *plist, *ptmp; 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 rtw_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_securitypriv23a */ 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, ptmp, phead) { paclnode = container_of(plist, struct rtw_wlan_acl_node, list); if (paclnode->valid == true) { paclnode->valid = false; list_del_init(&paclnode->list); pacl_list->num--; } } spin_unlock_bh(&pacl_node_q->lock); DBG_8723A("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num); rtw_sta_flush23a(padapter); /* free_assoc_sta_resources */ rtw_free_all_stainfo23a(padapter); psta = rtw_get_bcmc_stainfo23a(padapter); spin_lock_bh(&pstapriv->sta_hash_lock); rtw_free_stainfo23a(padapter, psta); spin_unlock_bh(&pstapriv->sta_hash_lock); rtw_init_bcmc_stainfo23a(padapter); rtw23a_free_mlme_priv_ie_data(pmlmepriv); }