| // SPDX-License-Identifier: GPL-2.0 |
| /****************************************************************************** |
| * |
| * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. |
| * |
| ******************************************************************************/ |
| #define _RTW_AP_C_ |
| |
| #include <linux/ieee80211.h> |
| |
| #include <osdep_service.h> |
| #include <drv_types.h> |
| #include <wifi.h> |
| #include <ieee80211.h> |
| #include <asm/unaligned.h> |
| |
| #ifdef CONFIG_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_, WLAN_EID_TIM, &tim_ielen, |
| pnetwork_mlmeext->ie_length - _FIXED_IE_LENGTH_); |
| if (p && tim_ielen > 0) { |
| tim_ielen += 2; |
| premainder_ie = p + tim_ielen; |
| tim_ie_offset = (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.ssid_length + 2; |
| |
| /* get supported rates len */ |
| p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, WLAN_EID_SUPP_RATES, |
| &tmp_len, (pnetwork_mlmeext->ie_length - |
| _BEACON_IE_OFFSET_)); |
| if (p) |
| offset += tmp_len + 2; |
| |
| /* DS Parameter Set IE, len = 3 */ |
| offset += 3; |
| |
| premainder_ie = pie + offset; |
| |
| remainder_ielen = pnetwork_mlmeext->ie_length - |
| offset - tim_ielen; |
| |
| /* append TIM IE from offset */ |
| dst_ie = pie + offset; |
| } |
| |
| if (remainder_ielen > 0) { |
| pbackup_remainder_ie = rtw_malloc(remainder_ielen); |
| if (pbackup_remainder_ie && premainder_ie) |
| memcpy(pbackup_remainder_ie, premainder_ie, |
| remainder_ielen); |
| } |
| *dst_ie++ = WLAN_EID_TIM; |
| |
| if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 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; |
| u8 updated = 0; |
| struct sta_info *psta, *temp; |
| struct sta_priv *pstapriv = &padapter->stapriv; |
| u8 chk_alive_num = 0; |
| char chk_alive_list[NUM_STA]; |
| int i; |
| |
| spin_lock_bh(&pstapriv->auth_list_lock); |
| |
| phead = &pstapriv->auth_list; |
| /* check auth_queue */ |
| list_for_each_entry_safe(psta, temp, phead, auth_list) { |
| if (psta->expire_to > 0) { |
| psta->expire_to--; |
| if (psta->expire_to == 0) { |
| list_del_init(&psta->auth_list); |
| pstapriv->auth_list_cnt--; |
| |
| spin_unlock_bh(&pstapriv->auth_list_lock); |
| |
| 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; |
| /* check asoc_queue */ |
| list_for_each_entry_safe(psta, temp, phead, asoc_list) { |
| if (chk_sta_is_alive(psta) || !psta->expire_to) { |
| psta->expire_to = pstapriv->expire_to; |
| psta->keep_alive_trycnt = 0; |
| psta->under_exist_checking = 0; |
| } else { |
| psta->expire_to--; |
| } |
| |
| if (psta->expire_to <= 0) { |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| |
| if (padapter->registrypriv.wifi_spec == 1) { |
| psta->expire_to = pstapriv->expire_to; |
| continue; |
| } |
| |
| if (psta->state & WIFI_SLEEP_STATE) { |
| if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) { |
| /* to check if alive by another methods |
| * if station is at ps mode. |
| */ |
| psta->expire_to = pstapriv->expire_to; |
| psta->state |= WIFI_STA_ALIVE_CHK_STATE; |
| |
| /* to update bcn with tim_bitmap |
| * for this station |
| */ |
| pstapriv->tim_bitmap |= BIT(psta->aid); |
| update_beacon(padapter, WLAN_EID_TIM, NULL, |
| 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--; |
| |
| 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)) |
| 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) { |
| psta->expire_to = pstapriv->expire_to; |
| psta->keep_alive_trycnt = 0; |
| continue; |
| } else if (psta->keep_alive_trycnt <= 3) { |
| psta->expire_to = 1; |
| continue; |
| } |
| |
| psta->keep_alive_trycnt = 0; |
| |
| spin_lock_bh(&pstapriv->asoc_list_lock); |
| 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; |
| |
| 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 (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); |
| |
| /* 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; |
| |
| } |
| } |
| |
| 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 = &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); |
| |
| 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); |
| } |
| |
| /* 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); |
| |
| /* 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); |
| |
| } |
| } |
| |
| /* 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; |
| |
| /* 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_20_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_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) |
| { |
| u8 max_ampdu_len; |
| u8 min_mpdu_spacing; |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| |
| /* 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, &min_mpdu_spacing); |
| rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, &max_ampdu_len); |
| |
| /* Config SM Power Save setting */ |
| pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2; |
| } |
| |
| 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 = &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) { |
| /* 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), |
| WLAN_EID_HT_OPERATION, &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); |
| |
| /* */ |
| 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(pnetwork)); |
| |
| /* let pnetwork_mlmeext == pnetwork_mlme. */ |
| memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length); |
| |
| if (pmlmeext->bstart_bss) { |
| update_beacon(padapter, WLAN_EID_TIM, NULL, false); |
| |
| /* issue beacon frame */ |
| send_beacon(padapter); |
| } |
| |
| /* 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 = &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 */ |
| |
| if (!check_fwstate(pmlmepriv, WIFI_AP_STATE)) |
| return _FAIL; |
| |
| if (len < 0 || len > MAX_IE_SZ) |
| return _FAIL; |
| |
| pbss_network->ie_length = len; |
| |
| memset(ie, 0, MAX_IE_SZ); |
| |
| memcpy(ie, pbuf, pbss_network->ie_length); |
| |
| if (pbss_network->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_, WLAN_EID_SSID, &ie_len, |
| pbss_network->ie_length - _BEACON_IE_OFFSET_); |
| if (p && ie_len > 0) { |
| ie_len = min_t(int, ie_len, sizeof(pbss_network->ssid.ssid)); |
| memset(&pbss_network->ssid, 0, sizeof(struct ndis_802_11_ssid)); |
| memcpy(pbss_network->ssid.ssid, p + 2, ie_len); |
| pbss_network->ssid.ssid_length = ie_len; |
| } |
| |
| /* channel */ |
| channel = 0; |
| pbss_network->Configuration.Length = 0; |
| p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_DS_PARAMS, &ie_len, |
| (pbss_network->ie_length - _BEACON_IE_OFFSET_)); |
| if (p && ie_len > 0) |
| channel = *(p + 2); |
| |
| pbss_network->Configuration.DSConfig = channel; |
| |
| memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX); |
| /* get supported rates */ |
| p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_SUPP_RATES, &ie_len, |
| pbss_network->ie_length - _BEACON_IE_OFFSET_); |
| if (p) { |
| ie_len = min_t(int, ie_len, NDIS_802_11_LENGTH_RATES_EX); |
| memcpy(supportRate, p + 2, ie_len); |
| supportRateNum = ie_len; |
| } |
| |
| /* get ext_supported rates */ |
| p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_EXT_SUPP_RATES, |
| &ie_len, pbss_network->ie_length - _BEACON_IE_OFFSET_); |
| if (p) { |
| ie_len = min_t(int, ie_len, |
| NDIS_802_11_LENGTH_RATES_EX - supportRateNum); |
| memcpy(supportRate + supportRateNum, p + 2, ie_len); |
| supportRateNum += ie_len; |
| } |
| |
| network_type = rtw_check_network_type(supportRate); |
| |
| rtw_set_supported_rate(pbss_network->SupportedRates, network_type); |
| |
| /* parsing ERP_IE */ |
| p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_ERP_INFO, &ie_len, |
| pbss_network->ie_length - _BEACON_IE_OFFSET_); |
| if (p && ie_len > 0) |
| ERP_IE_handler(padapter, (struct ndis_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_, WLAN_EID_RSN, &ie_len, |
| pbss_network->ie_length - _BEACON_IE_OFFSET_); |
| if (p && ie_len > 0) { |
| if (rtw_parse_wpa2_ie(p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) { |
| psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X; |
| |
| psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */ |
| psecuritypriv->wpa_psk |= BIT(1); |
| |
| psecuritypriv->wpa2_group_cipher = group_cipher; |
| psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher; |
| } |
| } |
| /* wpa */ |
| ie_len = 0; |
| group_cipher = 0; |
| pairwise_cipher = 0; |
| psecuritypriv->wpa_group_cipher = _NO_PRIVACY_; |
| psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_; |
| for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) { |
| p = rtw_get_ie(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len, |
| pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)); |
| if ((p) && (!memcmp(p + 2, OUI1, 4))) { |
| if (rtw_parse_wpa_ie(p, ie_len + 2, &group_cipher, |
| &pairwise_cipher, NULL) == _SUCCESS) { |
| psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X; |
| |
| psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */ |
| |
| psecuritypriv->wpa_psk |= BIT(0); |
| |
| psecuritypriv->wpa_group_cipher = group_cipher; |
| psecuritypriv->wpa_pairwise_cipher = pairwise_cipher; |
| } |
| break; |
| } |
| if ((!p) || (ie_len == 0)) |
| break; |
| } |
| |
| /* wmm */ |
| ie_len = 0; |
| pmlmepriv->qospriv.qos_option = 0; |
| if (pregistrypriv->wmm_enable) { |
| for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) { |
| p = rtw_get_ie(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len, |
| pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2)); |
| if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) { |
| pmlmepriv->qospriv.qos_option = 1; |
| |
| /* 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_, WLAN_EID_HT_CAPABILITY, &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_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); |
| |
| pht_cap->mcs.rx_mask[0] = 0xff; |
| pht_cap->mcs.rx_mask[1] = 0x0; |
| ie_len = min_t(int, ie_len, sizeof(pmlmepriv->htpriv.ht_cap)); |
| memcpy(&pmlmepriv->htpriv.ht_cap, p + 2, ie_len); |
| } |
| |
| /* parsing HT_INFO_IE */ |
| p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_HT_OPERATION, &ie_len, |
| pbss_network->ie_length - _BEACON_IE_OFFSET_); |
| if (p && ie_len > 0) |
| pHT_info_ie = p; |
| switch (network_type) { |
| case WIRELESS_11B: |
| pbss_network->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(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; |
| |
| pacl_list->mode = mode; |
| } |
| |
| int rtw_acl_add_sta(struct adapter *padapter, u8 *addr) |
| { |
| struct list_head *plist, *phead; |
| u8 added = false; |
| int i, ret = 0; |
| struct rtw_wlan_acl_node *paclnode; |
| struct sta_priv *pstapriv = &padapter->stapriv; |
| struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; |
| struct __queue *pacl_node_q = &pacl_list->acl_node_q; |
| |
| if ((NUM_ACL - 1) < pacl_list->num) |
| return -1; |
| |
| spin_lock_bh(&pacl_node_q->lock); |
| |
| phead = get_list_head(pacl_node_q); |
| list_for_each(plist, phead) { |
| paclnode = list_entry(plist, struct rtw_wlan_acl_node, list); |
| |
| if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { |
| if (paclnode->valid) { |
| added = true; |
| break; |
| } |
| } |
| } |
| |
| spin_unlock_bh(&pacl_node_q->lock); |
| |
| if (added) |
| return ret; |
| |
| spin_lock_bh(&pacl_node_q->lock); |
| |
| for (i = 0; i < NUM_ACL; i++) { |
| paclnode = &pacl_list->aclnode[i]; |
| |
| if (!paclnode->valid) { |
| INIT_LIST_HEAD(&paclnode->list); |
| |
| ether_addr_copy(paclnode->addr, addr); |
| |
| paclnode->valid = true; |
| |
| list_add_tail(&paclnode->list, get_list_head(pacl_node_q)); |
| |
| pacl_list->num++; |
| |
| break; |
| } |
| } |
| |
| spin_unlock_bh(&pacl_node_q->lock); |
| |
| return ret; |
| } |
| |
| int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr) |
| { |
| struct list_head *phead; |
| struct rtw_wlan_acl_node *paclnode, *temp; |
| 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; |
| |
| spin_lock_bh(&pacl_node_q->lock); |
| |
| phead = get_list_head(pacl_node_q); |
| list_for_each_entry_safe(paclnode, temp, phead, 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); |
| |
| 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; |
| |
| if (!pmlmeinfo->ERP_enable) |
| return; |
| |
| /* parsing ERP_IE */ |
| p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, WLAN_EID_ERP_INFO, &len, |
| (pnetwork->ie_length - _BEACON_IE_OFFSET_)); |
| if (p && len > 0) { |
| struct ndis_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; |
| |
| 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) |
| { |
| |
| if (!memcmp(WPS_OUI, oui, 4)) |
| update_bcn_wps_ie(padapter); |
| } |
| |
| 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 WLAN_EID_TIM: |
| update_BCNTIM(padapter); |
| break; |
| case WLAN_EID_ERP_INFO: |
| update_bcn_erpinfo_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_cmd(padapter); |
| } |
| |
| /* |
| * op_mode |
| * Set to 0 (HT pure) under the following conditions |
| * - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or |
| * - all STAs in the BSS are 20 MHz HT in 20 MHz BSS |
| * Set to 1 (HT non-member protection) if there may be non-HT STAs |
| * in both the primary and the secondary channel |
| * Set to 2 if only HT STAs are associated in BSS, |
| * however and at least one 20 MHz HT STA is associated |
| * Set to 3 (HT mixed mode) when one or more non-HT STAs are associated |
| * (currently non-GF HT station is considered as non-HT STA also) |
| */ |
| static int rtw_ht_operation_update(struct adapter *padapter) |
| { |
| u16 cur_op_mode, new_op_mode; |
| int op_mode_changes = 0; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv; |
| |
| if (pmlmepriv->htpriv.ht_option) |
| return 0; |
| |
| if (!(pmlmepriv->ht_op_mode & 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_20_40) && |
| 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++; |
| } |
| |
| return op_mode_changes; |
| } |
| |
| void associated_clients_update(struct adapter *padapter, u8 updated) |
| { |
| /* update associated stations cap. */ |
| if (updated) { |
| struct list_head *phead, *plist; |
| struct sta_info *psta = NULL; |
| struct sta_priv *pstapriv = &padapter->stapriv; |
| |
| spin_lock_bh(&pstapriv->asoc_list_lock); |
| |
| phead = &pstapriv->asoc_list; |
| /* check asoc_queue */ |
| list_for_each(plist, phead) { |
| psta = list_entry(plist, struct sta_info, asoc_list); |
| |
| VCS_update(padapter, psta); |
| } |
| spin_unlock_bh(&pstapriv->asoc_list_lock); |
| } |
| } |
| |
| /* called > TSR LEVEL for USB or SDIO Interface*/ |
| void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta) |
| { |
| u8 beacon_updated = false; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| |
| if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) { |
| if (!psta->no_short_preamble_set) { |
| psta->no_short_preamble_set = 1; |
| |
| pmlmepriv->num_sta_no_short_preamble++; |
| |
| if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && |
| (pmlmepriv->num_sta_no_short_preamble == 1)) { |
| beacon_updated = true; |
| update_beacon(padapter, 0xFF, NULL, true); |
| } |
| } |
| } else { |
| if (psta->no_short_preamble_set) { |
| psta->no_short_preamble_set = 0; |
| |
| pmlmepriv->num_sta_no_short_preamble--; |
| |
| if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && |
| (pmlmepriv->num_sta_no_short_preamble == 0)) { |
| beacon_updated = true; |
| update_beacon(padapter, 0xFF, NULL, true); |
| } |
| } |
| } |
| |
| if (psta->flags & WLAN_STA_NONERP) { |
| if (!psta->nonerp_set) { |
| psta->nonerp_set = 1; |
| |
| pmlmepriv->num_sta_non_erp++; |
| |
| if (pmlmepriv->num_sta_non_erp == 1) { |
| beacon_updated = true; |
| update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true); |
| } |
| } |
| } else { |
| if (psta->nonerp_set) { |
| psta->nonerp_set = 0; |
| |
| pmlmepriv->num_sta_non_erp--; |
| |
| if (pmlmepriv->num_sta_non_erp == 0) { |
| beacon_updated = true; |
| update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true); |
| } |
| } |
| } |
| |
| if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) { |
| if (!psta->no_short_slot_time_set) { |
| psta->no_short_slot_time_set = 1; |
| |
| pmlmepriv->num_sta_no_short_slot_time++; |
| |
| if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && |
| (pmlmepriv->num_sta_no_short_slot_time == 1)) { |
| beacon_updated = true; |
| update_beacon(padapter, 0xFF, NULL, true); |
| } |
| } |
| } else { |
| if (psta->no_short_slot_time_set) { |
| psta->no_short_slot_time_set = 0; |
| |
| pmlmepriv->num_sta_no_short_slot_time--; |
| |
| if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && |
| (pmlmepriv->num_sta_no_short_slot_time == 0)) { |
| beacon_updated = true; |
| update_beacon(padapter, 0xFF, NULL, true); |
| } |
| } |
| } |
| |
| if (psta->flags & WLAN_STA_HT) { |
| u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info); |
| |
| if (psta->no_ht_set) { |
| psta->no_ht_set = 0; |
| pmlmepriv->num_sta_no_ht--; |
| } |
| |
| if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) { |
| if (!psta->no_ht_gf_set) { |
| psta->no_ht_gf_set = 1; |
| pmlmepriv->num_sta_ht_no_gf++; |
| } |
| } |
| |
| if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH_20_40) == 0) { |
| if (!psta->ht_20mhz_set) { |
| psta->ht_20mhz_set = 1; |
| pmlmepriv->num_sta_ht_20mhz++; |
| } |
| } |
| } else { |
| if (!psta->no_ht_set) { |
| psta->no_ht_set = 1; |
| pmlmepriv->num_sta_no_ht++; |
| } |
| } |
| |
| if (rtw_ht_operation_update(padapter) > 0) { |
| update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false); |
| update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true); |
| } |
| |
| /* update associated stations cap. */ |
| associated_clients_update(padapter, beacon_updated); |
| } |
| |
| u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta) |
| { |
| u8 beacon_updated = false; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| |
| if (!psta) |
| return beacon_updated; |
| |
| if (psta->no_short_preamble_set) { |
| psta->no_short_preamble_set = 0; |
| pmlmepriv->num_sta_no_short_preamble--; |
| if (pmlmeext->cur_wireless_mode > WIRELESS_11B && |
| pmlmepriv->num_sta_no_short_preamble == 0) { |
| beacon_updated = true; |
| update_beacon(padapter, 0xFF, NULL, true); |
| } |
| } |
| |
| if (psta->nonerp_set) { |
| psta->nonerp_set = 0; |
| pmlmepriv->num_sta_non_erp--; |
| if (pmlmepriv->num_sta_non_erp == 0) { |
| beacon_updated = true; |
| update_beacon(padapter, WLAN_EID_ERP_INFO, NULL, true); |
| } |
| } |
| |
| if (psta->no_short_slot_time_set) { |
| psta->no_short_slot_time_set = 0; |
| pmlmepriv->num_sta_no_short_slot_time--; |
| if (pmlmeext->cur_wireless_mode > WIRELESS_11B && |
| pmlmepriv->num_sta_no_short_slot_time == 0) { |
| beacon_updated = true; |
| update_beacon(padapter, 0xFF, NULL, true); |
| } |
| } |
| |
| if (psta->no_ht_gf_set) { |
| psta->no_ht_gf_set = 0; |
| pmlmepriv->num_sta_ht_no_gf--; |
| } |
| |
| if (psta->no_ht_set) { |
| psta->no_ht_set = 0; |
| pmlmepriv->num_sta_no_ht--; |
| } |
| |
| if (psta->ht_20mhz_set) { |
| psta->ht_20mhz_set = 0; |
| pmlmepriv->num_sta_ht_20mhz--; |
| } |
| |
| if (rtw_ht_operation_update(padapter) > 0) { |
| update_beacon(padapter, WLAN_EID_HT_CAPABILITY, NULL, false); |
| update_beacon(padapter, WLAN_EID_HT_OPERATION, NULL, true); |
| } |
| |
| /* update associated stations cap. */ |
| |
| 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; |
| struct sta_info *psta, *temp; |
| struct sta_priv *pstapriv = &padapter->stapriv; |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
| |
| if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE) |
| return 0; |
| |
| spin_lock_bh(&pstapriv->asoc_list_lock); |
| phead = &pstapriv->asoc_list; |
| /* free sta asoc_queue */ |
| list_for_each_entry_safe(psta, temp, phead, asoc_list) { |
| 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 rtw_wlan_acl_node *paclnode, *n; |
| 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); |
| list_for_each_entry_safe(paclnode, n, &pacl_node_q->queue, list) { |
| if (paclnode->valid) { |
| paclnode->valid = false; |
| |
| list_del_init(&paclnode->list); |
| |
| pacl_list->num--; |
| } |
| } |
| spin_unlock_bh(&pacl_node_q->lock); |
| |
| rtw_sta_flush(padapter); |
| |
| /* free_assoc_sta_resources */ |
| rtw_free_all_stainfo(padapter); |
| |
| psta = rtw_get_bcmc_stainfo(padapter); |
| 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 /* CONFIG_88EU_AP_MODE */ |