| /****************************************************************************** |
| * |
| * 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 <osdep_service.h> |
| #include <drv_types.h> |
| #include <linux/ieee80211.h> |
| #include <wifi.h> |
| #include <rtl8723a_cmd.h> |
| #include <rtl8723a_hal.h> |
| #include <asm/unaligned.h> |
| #include <rtw_mlme_ext.h> |
| |
| 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; |
| uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen; |
| |
| 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++ = 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->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; |
| u8 updated = 0; |
| struct sta_info *psta, *ptmp; |
| 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_entry_safe(psta, ptmp, 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--; |
| |
| 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_entry_safe(psta, ptmp, phead, 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)) { |
| /* |
| * check if alive by another method |
| * if station is at ps mode. |
| */ |
| psta->expire_to = pstapriv->expire_to; |
| psta->state |= WIFI_STA_ALIVE_CHK_STATE; |
| /* |
| * 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 %pM, state = 0x%x\n", |
| 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:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", |
| __func__, |
| psta->hwaddr, |
| psta->sleepq_len, |
| padapter->xmitpriv.free_xmitframe_cnt, |
| pstapriv->asoc_list_cnt); |
| wakeup_sta_to_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(%pM) is alive\n", |
| psta->hwaddr); |
| psta->expire_to = pstapriv->expire_to; |
| psta->keep_alive_trycnt = 0; |
| continue; |
| } else if (psta->keep_alive_trycnt <= 3) { |
| DBG_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 %pM, state = 0x%x\n", |
| 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 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; |
| |
| 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; |
| |
| 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"); |
| } |
| |
| /* |
| * 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 (!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 || !ie_len) |
| 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; |
| } |
| |
| 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_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 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_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; |
| struct sta_info *psta, *ptmp; |
| struct sta_priv *pstapriv = &padapter->stapriv; |
| |
| spin_lock_bh(&pstapriv->asoc_list_lock); |
| phead = &pstapriv->asoc_list; |
| list_for_each_entry_safe(psta, ptmp, phead, 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 %pM HT Capabilities Info: 0x%04x\n", |
| psta->hwaddr, ht_capab); |
| |
| if (psta->no_ht_set) { |
| psta->no_ht_set = 0; |
| pmlmepriv->num_sta_no_ht--; |
| } |
| |
| if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) { |
| if (!psta->no_ht_gf_set) { |
| psta->no_ht_gf_set = 1; |
| pmlmepriv->num_sta_ht_no_gf++; |
| } |
| DBG_8723A("%s STA %pM - no greenfield, num of non-gf stations %d\n", |
| __func__, psta->hwaddr, |
| pmlmepriv->num_sta_ht_no_gf); |
| } |
| |
| if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH_20_40) == 0) { |
| if (!psta->ht_20mhz_set) { |
| psta->ht_20mhz_set = 1; |
| pmlmepriv->num_sta_ht_20mhz++; |
| } |
| DBG_8723A("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n", |
| __func__, psta->hwaddr, |
| pmlmepriv->num_sta_ht_20mhz); |
| } |
| |
| } else { |
| if (!psta->no_ht_set) { |
| psta->no_ht_set = 1; |
| pmlmepriv->num_sta_no_ht++; |
| } |
| if (pmlmepriv->htpriv.ht_option) { |
| DBG_8723A("%s STA %pM - no HT, num of non-HT stations %d\n", |
| __func__, psta->hwaddr, |
| pmlmepriv->num_sta_no_ht); |
| } |
| } |
| |
| if (rtw_ht_operation_update(padapter) > 0) { |
| update_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_sta_flush23a(struct rtw_adapter *padapter) |
| { |
| struct list_head *phead; |
| struct sta_info *psta, *ptmp; |
| 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_entry_safe(psta, ptmp, phead, 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, *ptmp; |
| struct security_priv *psecuritypriv = &padapter->securitypriv; |
| struct list_head *phead; |
| 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_entry_safe(psta, ptmp, phead, 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; |
| struct rtw_wlan_acl_node *paclnode, *ptmp; |
| 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_entry_safe(paclnode, ptmp, phead, 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); |
| } |