diff options
Diffstat (limited to 'drivers/staging/rtl8723au/core/rtw_ap.c')
| -rw-r--r-- | drivers/staging/rtl8723au/core/rtw_ap.c | 1910 |
1 files changed, 1910 insertions, 0 deletions
diff --git a/drivers/staging/rtl8723au/core/rtw_ap.c b/drivers/staging/rtl8723au/core/rtw_ap.c new file mode 100644 index 000000000..645668950 --- /dev/null +++ b/drivers/staging/rtl8723au/core/rtw_ap.c @@ -0,0 +1,1910 @@ +/****************************************************************************** + * + * 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> + +extern unsigned char WMM_OUI23A[]; +extern unsigned char WPS_OUI23A[]; +extern unsigned char P2P_OUI23A[]; + +void init_mlme_ap_info23a(struct rtw_adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct sta_priv *pstapriv = &padapter->stapriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + + spin_lock_init(&pmlmepriv->bcn_update_lock); + + /* for ACL */ + _rtw_init_queue23a(&pacl_list->acl_node_q); + + start_ap_mode23a(padapter); +} + +void free_mlme_ap_info23a(struct rtw_adapter *padapter) +{ + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + pmlmepriv->update_bcn = false; + pmlmeext->bstart_bss = false; + + rtw_sta_flush23a(padapter); + + pmlmeinfo->state = MSR_NOLINK; + + /* free_assoc_sta_resources */ + rtw_free_all_stainfo23a(padapter); + + /* free bc/mc sta_info */ + psta = rtw_get_bcmc_stainfo23a(padapter); + spin_lock_bh(&pstapriv->sta_hash_lock); + rtw_free_stainfo23a(padapter, psta); + spin_unlock_bh(&pstapriv->sta_hash_lock); +} + +static void update_BCNTIM(struct rtw_adapter *padapter) +{ + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network; + unsigned char *pie = pnetwork_mlmeext->IEs; + u8 *p, *dst_ie, *premainder_ie = NULL, *pbackup_remainder_ie = NULL; + 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, *plist, *ptmp; + u8 updated = 0; + struct sta_info *psta; + struct sta_priv *pstapriv = &padapter->stapriv; + u8 chk_alive_num = 0; + struct sta_info *chk_alive_list[NUM_STA]; + int i; + + spin_lock_bh(&pstapriv->auth_list_lock); + + phead = &pstapriv->auth_list; + + /* check auth_queue */ + list_for_each_safe(plist, ptmp, phead) { + psta = container_of(plist, struct sta_info, auth_list); + + if (psta->expire_to > 0) { + psta->expire_to--; + if (psta->expire_to == 0) { + list_del_init(&psta->auth_list); + pstapriv->auth_list_cnt--; + + DBG_8723A("auth expire %pM\n", psta->hwaddr); + + spin_unlock_bh(&pstapriv->auth_list_lock); + + spin_lock_bh(&pstapriv->sta_hash_lock); + rtw_free_stainfo23a(padapter, psta); + spin_unlock_bh(&pstapriv->sta_hash_lock); + + spin_lock_bh(&pstapriv->auth_list_lock); + } + } + + } + + spin_unlock_bh(&pstapriv->auth_list_lock); + + spin_lock_bh(&pstapriv->asoc_list_lock); + + phead = &pstapriv->asoc_list; + + /* check asoc_queue */ + list_for_each_safe(plist, ptmp, phead) { + psta = container_of(plist, struct sta_info, asoc_list); + + if (chk_sta_is_alive(psta) || !psta->expire_to) { + psta->expire_to = pstapriv->expire_to; + psta->keep_alive_trycnt = 0; + } else { + psta->expire_to--; + } + + if (psta->expire_to <= 0) { + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + if (padapter->registrypriv.wifi_spec == 1) { + psta->expire_to = pstapriv->expire_to; + continue; + } + + if (psta->state & WIFI_SLEEP_STATE) { + if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) { + /* to check if alive by another methods if station is at ps mode. */ + psta->expire_to = pstapriv->expire_to; + psta->state |= WIFI_STA_ALIVE_CHK_STATE; + + /* to update bcn with tim_bitmap for this station */ + pstapriv->tim_bitmap |= CHKBIT(psta->aid); + update_beacon23a(padapter, WLAN_EID_TIM, NULL, false); + + if (!pmlmeext->active_keep_alive_check) + continue; + } + } + + if (pmlmeext->active_keep_alive_check) { + chk_alive_list[chk_alive_num++] = psta; + continue; + } + + list_del_init(&psta->asoc_list); + pstapriv->asoc_list_cnt--; + + DBG_8723A("asoc expire %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 the original operation channel */ + SelectChannel23a(padapter, backup_oper_channel); +} + + associated_clients_update23a(padapter, updated); +} + +void add_RATid23a(struct rtw_adapter *padapter, struct sta_info *psta, u8 rssi_level) +{ + int i; + u8 rf_type; + u32 init_rate = 0; + unsigned char sta_band = 0, raid, shortGIrate = false; + unsigned char limit; + unsigned int tx_ra_bitmap = 0; + struct ht_priv *psta_ht = NULL; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network; + + if (psta) + psta_ht = &psta->htpriv; + else + return; + + if (!(psta->state & _FW_LINKED)) + return; + + /* b/g mode ra_bitmap */ + for (i = 0; i < sizeof(psta->bssrateset); i++) { + if (psta->bssrateset[i]) + tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f); + } + /* n mode ra_bitmap */ + if (psta_ht->ht_option) { + rf_type = rtl8723a_get_rf_type(padapter); + + if (rf_type == RF_2T2R) + limit = 16;/* 2R */ + else + limit = 8;/* 1R */ + + for (i = 0; i < limit; i++) { + if (psta_ht->ht_cap.mcs.rx_mask[i / 8] & BIT(i % 8)) + tx_ra_bitmap |= BIT(i + 12); + } + + /* max short GI rate */ + shortGIrate = psta_ht->sgi; + } + + if (pcur_network->DSConfig > 14) { + /* 5G band */ + if (tx_ra_bitmap & 0xffff000) + sta_band |= WIRELESS_11_5N | WIRELESS_11A; + else + sta_band |= WIRELESS_11A; + } else { + if (tx_ra_bitmap & 0xffff000) + sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B; + else if (tx_ra_bitmap & 0xff0) + sta_band |= WIRELESS_11G | WIRELESS_11B; + else + sta_band |= WIRELESS_11B; + } + + psta->wireless_mode = sta_band; + + raid = networktype_to_raid23a(sta_band); + init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f; + + if (psta->aid < NUM_STA) { + u8 arg = 0; + + arg = psta->mac_id&0x1f; + + arg |= BIT(7);/* support entry 2~31 */ + + if (shortGIrate == true) + arg |= BIT(5); + + tx_ra_bitmap |= ((raid<<28)&0xf0000000); + + DBG_8723A("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = " + "0x%x\n", + __func__, psta->mac_id, raid, tx_ra_bitmap, arg); + + /* bitmap[0:27] = tx_rate_bitmap */ + /* bitmap[28:31]= Rate Adaptive id */ + /* arg[0:4] = macid */ + /* arg[5] = Short GI */ + rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, rssi_level); + + if (shortGIrate == true) + init_rate |= BIT(6); + + /* set ra_id, init_rate */ + psta->raid = raid; + psta->init_rate = init_rate; + + } else + DBG_8723A("station aid %d exceed the max number\n", psta->aid); +} + +static void update_bmc_sta(struct rtw_adapter *padapter) +{ + u32 init_rate = 0; + unsigned char network_type, raid; + int i, supportRateNum = 0; + unsigned int tx_ra_bitmap = 0; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct wlan_bssid_ex *pcur_network = &pmlmepriv->cur_network.network; + struct sta_info *psta = rtw_get_bcmc_stainfo23a(padapter); + + if (psta) { + psta->aid = 0;/* default set to 0 */ + psta->mac_id = psta->aid + 1; + + psta->qos_option = 0; + psta->htpriv.ht_option = false; + + psta->ieee8021x_blocked = 0; + + memset((void *)&psta->sta_stats, 0, + sizeof(struct stainfo_stats)); + + /* prepare for add_RATid23a */ + supportRateNum = rtw_get_rateset_len23a((u8 *)&pcur_network->SupportedRates); + network_type = rtw_check_network_type23a((u8 *)&pcur_network->SupportedRates, supportRateNum, 1); + + memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum); + psta->bssratelen = supportRateNum; + + /* b/g mode ra_bitmap */ + for (i = 0; i < supportRateNum; i++) { + if (psta->bssrateset[i]) + tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value23a(psta->bssrateset[i]&0x7f); + } + + if (pcur_network->DSConfig > 14) { + /* force to A mode. 5G doesn't support CCK rates */ + network_type = WIRELESS_11A; + tx_ra_bitmap = 0x150; /* 6, 12, 24 Mbps */ + } else { + /* force to b mode */ + network_type = WIRELESS_11B; + tx_ra_bitmap = 0xf; + } + + raid = networktype_to_raid23a(network_type); + init_rate = get_highest_rate_idx23a(tx_ra_bitmap&0x0fffffff)&0x3f; + + /* ap mode */ + rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true); + + { + u8 arg = 0; + + arg = psta->mac_id&0x1f; + + arg |= BIT(7); + + tx_ra_bitmap |= ((raid<<28)&0xf0000000); + + DBG_8723A("update_bmc_sta, mask = 0x%x, arg = 0x%x\n", tx_ra_bitmap, arg); + + /* bitmap[0:27] = tx_rate_bitmap */ + /* bitmap[28:31]= Rate Adaptive id */ + /* arg[0:4] = macid */ + /* arg[5] = Short GI */ + rtl8723a_add_rateatid(padapter, tx_ra_bitmap, arg, 0); + } + + /* set ra_id, init_rate */ + psta->raid = raid; + psta->init_rate = init_rate; + + spin_lock_bh(&psta->lock); + psta->state = _FW_LINKED; + spin_unlock_bh(&psta->lock); + + } else + DBG_8723A("add_RATid23a_bmc_sta error!\n"); +} + +/* notes: */ +/* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */ +/* MAC_ID = AID+1 for sta in ap/adhoc mode */ +/* MAC_ID = 1 for bc/mc for sta/ap/adhoc */ +/* MAC_ID = 0 for bssid for sta/ap/adhoc */ +/* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */ + +void update_sta_info23a_apmode23a(struct rtw_adapter *padapter, struct sta_info *psta) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv; + struct ht_priv *phtpriv_sta = &psta->htpriv; + /* set intf_tag to if1 */ + + psta->mac_id = psta->aid+1; + DBG_8723A("%s\n", __func__); + + /* ap mode */ + rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true); + + if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) + psta->ieee8021x_blocked = true; + else + psta->ieee8021x_blocked = false; + + /* update sta's cap */ + + /* ERP */ + VCS_update23a(padapter, psta); + /* HT related cap */ + if (phtpriv_sta->ht_option) { + /* check if sta supports rx ampdu */ + phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable; + + /* check if sta support s Short GI */ + if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SGI_20|IEEE80211_HT_CAP_SGI_40)) + phtpriv_sta->sgi = true; + + /* bwmode */ + if ((phtpriv_sta->ht_cap.cap_info & phtpriv_ap->ht_cap.cap_info) & cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40)) { + /* phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_40; */ + phtpriv_sta->bwmode = pmlmeext->cur_bwmode; + phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; + + } + + psta->qos_option = true; + + } else { + phtpriv_sta->ampdu_enable = false; + + phtpriv_sta->sgi = false; + phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20; + phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + } + + /* Rx AMPDU */ + send_delba23a(padapter, 0, psta->hwaddr);/* recipient */ + + /* TX AMPDU */ + send_delba23a(padapter, 1, psta->hwaddr);/* originator */ + phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */ + phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */ + + /* todo: init other variables */ + + memset((void *)&psta->sta_stats, 0, sizeof(struct stainfo_stats)); + + spin_lock_bh(&psta->lock); + psta->state |= _FW_LINKED; + spin_unlock_bh(&psta->lock); +} + +static void update_hw_ht_param(struct rtw_adapter *padapter) +{ + unsigned char max_AMPDU_len; + unsigned char min_MPDU_spacing; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + DBG_8723A("%s\n", __func__); + + /* handle A-MPDU parameter field */ + /* + AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k + AMPDU_para [4:2]:Min MPDU Start Spacing + */ + max_AMPDU_len = pmlmeinfo->ht_cap.ampdu_params_info & + IEEE80211_HT_AMPDU_PARM_FACTOR; + + min_MPDU_spacing = (pmlmeinfo->ht_cap.ampdu_params_info & + IEEE80211_HT_AMPDU_PARM_DENSITY) >> 2; + + rtl8723a_set_ampdu_min_space(padapter, min_MPDU_spacing); + rtl8723a_set_ampdu_factor(padapter, max_AMPDU_len); + + /* Config SM Power Save setting */ + pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->ht_cap.cap_info) & + IEEE80211_HT_CAP_SM_PS) >> 2; + if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC) + DBG_8723A("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__); +} + +static void start_bss_network(struct rtw_adapter *padapter, u8 *pbuf) +{ + const u8 *p; + u8 val8, cur_channel, cur_bwmode, cur_ch_offset; + u16 bcn_interval; + u32 acparm; + struct registry_priv *pregpriv = &padapter->registrypriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct wlan_bssid_ex *pnetwork = &pmlmepriv->cur_network.network; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network; + struct ieee80211_ht_operation *pht_info = NULL; + + bcn_interval = (u16)pnetwork->beacon_interval; + cur_channel = pnetwork->DSConfig; + cur_bwmode = HT_CHANNEL_WIDTH_20; + cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + + /* check if there is wps ie, */ + /* if there is wpsie in beacon, the hostapd will update beacon twice when stating hostapd, */ + /* and at first time the security ie (RSN/WPA IE) will not include in beacon. */ + if (NULL == cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, + WLAN_OUI_TYPE_MICROSOFT_WPS, + pnetwork->IEs, + pnetwork->IELength)) + pmlmeext->bstart_bss = true; + + /* todo: update wmm, ht cap */ + /* pmlmeinfo->WMM_enable; */ + /* pmlmeinfo->HT_enable; */ + if (pmlmepriv->qos_option) + pmlmeinfo->WMM_enable = true; + if (pmlmepriv->htpriv.ht_option) { + pmlmeinfo->WMM_enable = true; + pmlmeinfo->HT_enable = true; + + update_hw_ht_param(padapter); + } + + if (pmlmepriv->cur_network.join_res != true) { + /* setting only at first time */ + /* WEP Key will be set before this function, do not clear CAM. */ + if (psecuritypriv->dot11PrivacyAlgrthm != + WLAN_CIPHER_SUITE_WEP40 && + psecuritypriv->dot11PrivacyAlgrthm != + WLAN_CIPHER_SUITE_WEP104) + flush_all_cam_entry23a(padapter); /* clear CAM */ + } + + /* set MSR to AP_Mode */ + rtl8723a_set_media_status(padapter, MSR_AP); + + /* Set BSSID REG */ + hw_var_set_bssid(padapter, pnetwork->MacAddress); + + /* Set EDCA param reg */ + acparm = 0x002F3217; /* VO */ + rtl8723a_set_ac_param_vo(padapter, acparm); + acparm = 0x005E4317; /* VI */ + rtl8723a_set_ac_param_vi(padapter, acparm); + acparm = 0x005ea42b; + rtl8723a_set_ac_param_be(padapter, acparm); + acparm = 0x0000A444; /* BK */ + rtl8723a_set_ac_param_bk(padapter, acparm); + + /* Set Security */ + val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? + 0xcc : 0xcf; + rtl8723a_set_sec_cfg(padapter, val8); + + /* Beacon Control related register */ + rtl8723a_set_beacon_interval(padapter, bcn_interval); + + UpdateBrateTbl23a(padapter, pnetwork->SupportedRates); + HalSetBrateCfg23a(padapter, pnetwork->SupportedRates); + + if (!pmlmepriv->cur_network.join_res) { + /* setting only at first time */ + + /* disable dynamic functions, such as high power, DIG */ + + /* turn on all dynamic functions */ + rtl8723a_odm_support_ability_set(padapter, + DYNAMIC_ALL_FUNC_ENABLE); + } + /* set channel, bwmode */ + + p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, pnetwork->IEs, + pnetwork->IELength); + if (p && p[1]) { + pht_info = (struct ieee80211_ht_operation *)(p + 2); + + if (pregpriv->cbw40_enable && pht_info->ht_param & + IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) { + /* switch to the 40M Hz mode */ + cur_bwmode = HT_CHANNEL_WIDTH_40; + switch (pht_info->ht_param & + IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { + case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: + /* pmlmeext->cur_ch_offset = + HAL_PRIME_CHNL_OFFSET_LOWER; */ + cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; + break; + case IEEE80211_HT_PARAM_CHA_SEC_BELOW: + cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; + break; + default: + cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + break; + } + } + } + /* TODO: need to judge the phy parameters on concurrent mode for single phy */ + set_channel_bwmode23a(padapter, cur_channel, cur_ch_offset, cur_bwmode); + + DBG_8723A("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, + cur_ch_offset); + + pmlmeext->cur_channel = cur_channel; + pmlmeext->cur_bwmode = cur_bwmode; + pmlmeext->cur_ch_offset = cur_ch_offset; + pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type; + + /* update cur_wireless_mode */ + update_wireless_mode23a(padapter); + + /* update capability after cur_wireless_mode updated */ + update_capinfo23a(padapter, pnetwork->capability); + + /* let pnetwork_mlmeext == pnetwork_mlme. */ + memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length); + + if (pmlmeext->bstart_bss) { + update_beacon23a(padapter, WLAN_EID_TIM, NULL, false); + + /* issue beacon frame */ + if (send_beacon23a(padapter) == _FAIL) + DBG_8723A("issue_beacon23a, fail!\n"); + } + + /* update bc/mc sta_info */ + update_bmc_sta(padapter); +} + +int rtw_check_beacon_data23a(struct rtw_adapter *padapter, + struct ieee80211_mgmt *mgmt, unsigned int len) +{ + int ret = _SUCCESS; + u8 *p; + u8 *pHT_caps_ie = NULL; + u8 *pHT_info_ie = NULL; + struct sta_info *psta = NULL; + u16 ht_cap = false; + uint ie_len = 0; + int group_cipher, pairwise_cipher; + u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX]; + int supportRateNum = 0; + u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01}; + struct registry_priv *pregistrypriv = &padapter->registrypriv; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct wlan_bssid_ex *pbss_network = &pmlmepriv->cur_network.network; + u8 *ie = pbss_network->IEs; + u8 *pbuf = mgmt->u.beacon.variable; + + len -= offsetof(struct ieee80211_mgmt, u.beacon.variable); + /* SSID */ + /* Supported rates */ + /* DS Params */ + /* WLAN_EID_COUNTRY */ + /* ERP Information element */ + /* Extended supported rates */ + /* WPA/WPA2 */ + /* Wi-Fi Wireless Multimedia Extensions */ + /* ht_capab, ht_oper */ + /* WPS IE */ + + DBG_8723A("%s, len =%d\n", __func__, len); + + if (!check_fwstate(pmlmepriv, WIFI_AP_STATE)) + return _FAIL; + + if (len > MAX_IE_SZ) + return _FAIL; + + pbss_network->IELength = len; + + memset(ie, 0, MAX_IE_SZ); + + memcpy(ie, pbuf, pbss_network->IELength); + + if (pbss_network->ifmode != NL80211_IFTYPE_AP && + pbss_network->ifmode != NL80211_IFTYPE_P2P_GO) + return _FAIL; + + pbss_network->Rssi = 0; + + memcpy(pbss_network->MacAddress, myid(&padapter->eeprompriv), ETH_ALEN); + + /* SSID */ + p = rtw_get_ie23a(ie, WLAN_EID_SSID, &ie_len, pbss_network->IELength); + if (p && ie_len > 0) { + memset(&pbss_network->Ssid, 0, sizeof(struct cfg80211_ssid)); + memcpy(pbss_network->Ssid.ssid, (p + 2), ie_len); + pbss_network->Ssid.ssid_len = ie_len; + } + + /* channel */ + channel = 0; + p = rtw_get_ie23a(ie, WLAN_EID_DS_PARAMS, &ie_len, + pbss_network->IELength); + if (p && ie_len > 0) + channel = *(p + 2); + + pbss_network->DSConfig = channel; + + memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX); + /* get supported rates */ + p = rtw_get_ie23a(ie, WLAN_EID_SUPP_RATES, &ie_len, + pbss_network->IELength); + if (p) { + memcpy(supportRate, p+2, ie_len); + supportRateNum = ie_len; + } + + /* get ext_supported rates */ + p = rtw_get_ie23a(ie, WLAN_EID_EXT_SUPP_RATES, + &ie_len, pbss_network->IELength); + if (p) { + memcpy(supportRate+supportRateNum, p+2, ie_len); + supportRateNum += ie_len; + } + + network_type = rtw_check_network_type23a(supportRate, + supportRateNum, channel); + + rtw_set_supported_rate23a(pbss_network->SupportedRates, network_type); + + /* parsing ERP_IE */ + p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &ie_len, + pbss_network->IELength); + if (p && ie_len > 0) + ERP_IE_handler23a(padapter, p); + + /* update privacy/security */ + if (pbss_network->capability & BIT(4)) + pbss_network->Privacy = 1; + else + pbss_network->Privacy = 0; + + psecuritypriv->wpa_psk = 0; + + /* wpa2 */ + group_cipher = 0; pairwise_cipher = 0; + psecuritypriv->wpa2_group_cipher = 0; + psecuritypriv->wpa2_pairwise_cipher = 0; + p = rtw_get_ie23a(ie, WLAN_EID_RSN, &ie_len, + pbss_network->IELength); + if (p && ie_len > 0) { + if (rtw_parse_wpa2_ie23a(p, ie_len+2, &group_cipher, + &pairwise_cipher, NULL) == _SUCCESS) { + psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X; + + psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */ + psecuritypriv->wpa_psk |= BIT(1); + + psecuritypriv->wpa2_group_cipher = group_cipher; + psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher; + } + } + + /* wpa */ + ie_len = 0; + group_cipher = 0; + pairwise_cipher = 0; + psecuritypriv->wpa_group_cipher = 0; + psecuritypriv->wpa_pairwise_cipher = 0; + for (p = ie; ; p += (ie_len + 2)) { + p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len, + pbss_network->IELength - (ie_len + 2)); + if ((p) && (!memcmp(p+2, RTW_WPA_OUI23A_TYPE, 4))) { + if (rtw_parse_wpa_ie23a(p, ie_len+2, &group_cipher, + &pairwise_cipher, NULL) == _SUCCESS) { + psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X; + + /* psk, todo:802.1x */ + psecuritypriv->dot8021xalg = 1; + + psecuritypriv->wpa_psk |= BIT(0); + + psecuritypriv->wpa_group_cipher = group_cipher; + psecuritypriv->wpa_pairwise_cipher = pairwise_cipher; + } + break; + } + + if ((p == NULL) || (ie_len == 0)) + break; + } + + /* wmm */ + ie_len = 0; + pmlmepriv->qos_option = 0; + if (pregistrypriv->wmm_enable) { + for (p = ie; ; p += (ie_len + 2)) { + p = rtw_get_ie23a(p, WLAN_EID_VENDOR_SPECIFIC, &ie_len, + (pbss_network->IELength - + (ie_len + 2))); + if ((p) && !memcmp(p+2, WMM_PARA_IE, 6)) { + pmlmepriv->qos_option = 1; + + *(p+8) |= BIT(7);/* QoS Info, support U-APSD */ + + /* disable all ACM bits since the WMM admission + * control is not supported + */ + *(p + 10) &= ~BIT(4); /* BE */ + *(p + 14) &= ~BIT(4); /* BK */ + *(p + 18) &= ~BIT(4); /* VI */ + *(p + 22) &= ~BIT(4); /* VO */ + break; + } + if ((p == NULL) || (ie_len == 0)) + break; + } + } + /* parsing HT_CAP_IE */ + p = rtw_get_ie23a(ie, WLAN_EID_HT_CAPABILITY, &ie_len, + pbss_network->IELength); + if (p && ie_len > 0) { + u8 rf_type; + + struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p+2); + + pHT_caps_ie = p; + + ht_cap = true; + network_type |= WIRELESS_11_24N; + + rf_type = rtl8723a_get_rf_type(padapter); + + if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) || + (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP)) + pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY & (0x07<<2)); + else + pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_DENSITY&0x00); + + /* set Max Rx AMPDU size to 64K */ + pht_cap->ampdu_params_info |= (IEEE80211_HT_AMPDU_PARM_FACTOR & 0x03); + + if (rf_type == RF_1T1R) { + pht_cap->mcs.rx_mask[0] = 0xff; + pht_cap->mcs.rx_mask[1] = 0x0; + } + + memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len); + } + + /* parsing HT_INFO_IE */ + p = rtw_get_ie23a(ie, WLAN_EID_HT_OPERATION, &ie_len, + pbss_network->IELength); + if (p && ie_len > 0) + pHT_info_ie = p; + + pmlmepriv->cur_network.network_type = network_type; + + pmlmepriv->htpriv.ht_option = false; + + /* ht_cap */ + if (pregistrypriv->ht_enable && ht_cap) { + pmlmepriv->htpriv.ht_option = true; + pmlmepriv->qos_option = 1; + + if (pregistrypriv->ampdu_enable == 1) + pmlmepriv->htpriv.ampdu_enable = true; + + HT_caps_handler23a(padapter, pHT_caps_ie); + + HT_info_handler23a(padapter, pHT_info_ie); + } + + pbss_network->Length = get_wlan_bssid_ex_sz(pbss_network); + + /* issue beacon to start bss network */ + start_bss_network(padapter, (u8 *)pbss_network); + + /* alloc sta_info for ap itself */ + psta = rtw_get_stainfo23a(&padapter->stapriv, pbss_network->MacAddress); + if (!psta) { + psta = rtw_alloc_stainfo23a(&padapter->stapriv, + pbss_network->MacAddress, + GFP_KERNEL); + if (!psta) + return _FAIL; + } + /* fix bug of flush_cam_entry at STOP AP mode */ + psta->state |= WIFI_AP_STATE; + rtw_indicate_connect23a(padapter); + + /* for check if already set beacon */ + pmlmepriv->cur_network.join_res = true; + + return ret; +} + +void rtw_set_macaddr_acl23a(struct rtw_adapter *padapter, int mode) +{ + struct sta_priv *pstapriv = &padapter->stapriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + + DBG_8723A("%s, mode =%d\n", __func__, mode); + + pacl_list->mode = mode; +} + +int rtw_acl_add_sta23a(struct rtw_adapter *padapter, u8 *addr) +{ + struct list_head *plist, *phead; + u8 added = false; + int i, ret = 0; + struct rtw_wlan_acl_node *paclnode; + struct sta_priv *pstapriv = &padapter->stapriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q; + + DBG_8723A("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, addr); + + if ((NUM_ACL-1) < pacl_list->num) + return -1; + + spin_lock_bh(&pacl_node_q->lock); + + phead = get_list_head(pacl_node_q); + + list_for_each(plist, phead) { + paclnode = container_of(plist, struct rtw_wlan_acl_node, list); + + if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { + if (paclnode->valid == true) { + added = true; + DBG_8723A("%s, sta has been added\n", __func__); + break; + } + } + } + + spin_unlock_bh(&pacl_node_q->lock); + + if (added) + return ret; + + spin_lock_bh(&pacl_node_q->lock); + + for (i = 0; i < NUM_ACL; i++) { + paclnode = &pacl_list->aclnode[i]; + + if (!paclnode->valid) { + INIT_LIST_HEAD(&paclnode->list); + + memcpy(paclnode->addr, addr, ETH_ALEN); + + paclnode->valid = true; + + list_add_tail(&paclnode->list, get_list_head(pacl_node_q)); + + pacl_list->num++; + + break; + } + } + + DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num); + + spin_unlock_bh(&pacl_node_q->lock); + return ret; +} + +int rtw_acl_remove_sta23a(struct rtw_adapter *padapter, u8 *addr) +{ + struct list_head *plist, *phead, *ptmp; + struct rtw_wlan_acl_node *paclnode; + struct sta_priv *pstapriv = &padapter->stapriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q; + + DBG_8723A("%s(acl_num =%d) = %pM\n", __func__, pacl_list->num, addr); + + spin_lock_bh(&pacl_node_q->lock); + + phead = get_list_head(pacl_node_q); + + list_for_each_safe(plist, ptmp, phead) { + paclnode = container_of(plist, struct rtw_wlan_acl_node, list); + + if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { + if (paclnode->valid) { + paclnode->valid = false; + + list_del_init(&paclnode->list); + + pacl_list->num--; + } + } + } + + spin_unlock_bh(&pacl_node_q->lock); + + DBG_8723A("%s, acl_num =%d\n", __func__, pacl_list->num); + + return 0; +} + +static void update_bcn_fixed_ie(struct rtw_adapter *padapter) +{ + DBG_8723A("%s\n", __func__); +} + +static void update_bcn_erpinfo_ie(struct rtw_adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network; + unsigned char *p, *ie = pnetwork->IEs; + u32 len = 0; + + DBG_8723A("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable); + + if (!pmlmeinfo->ERP_enable) + return; + + /* parsing ERP_IE */ + p = rtw_get_ie23a(ie, WLAN_EID_ERP_INFO, &len, pnetwork->IELength); + if (p && len > 0) { + if (pmlmepriv->num_sta_non_erp == 1) + p[2] |= WLAN_ERP_NON_ERP_PRESENT | + WLAN_ERP_USE_PROTECTION; + else + p[2] &= ~(WLAN_ERP_NON_ERP_PRESENT | + WLAN_ERP_USE_PROTECTION); + + if (pmlmepriv->num_sta_no_short_preamble > 0) + p[2] |= WLAN_ERP_BARKER_PREAMBLE; + else + p[2] &= ~(WLAN_ERP_BARKER_PREAMBLE); + + ERP_IE_handler23a(padapter, p); + } +} + +static void update_bcn_htcap_ie(struct rtw_adapter *padapter) +{ + DBG_8723A("%s\n", __func__); +} + +static void update_bcn_htinfo_ie(struct rtw_adapter *padapter) +{ + DBG_8723A("%s\n", __func__); +} + +static void update_bcn_rsn_ie(struct rtw_adapter *padapter) +{ + DBG_8723A("%s\n", __func__); +} + +static void update_bcn_wpa_ie(struct rtw_adapter *padapter) +{ + DBG_8723A("%s\n", __func__); +} + +static void update_bcn_wmm_ie(struct rtw_adapter *padapter) +{ + DBG_8723A("%s\n", __func__); +} + +static void update_bcn_wps_ie(struct rtw_adapter *padapter) +{ + DBG_8723A("%s\n", __func__); +} + +static void update_bcn_p2p_ie(struct rtw_adapter *padapter) +{ +} + +static void update_bcn_vendor_spec_ie(struct rtw_adapter *padapter, u8 *oui) +{ + DBG_8723A("%s\n", __func__); + + if (!memcmp(RTW_WPA_OUI23A_TYPE, oui, 4)) + update_bcn_wpa_ie(padapter); + else if (!memcmp(WMM_OUI23A, oui, 4)) + update_bcn_wmm_ie(padapter); + else if (!memcmp(WPS_OUI23A, oui, 4)) + update_bcn_wps_ie(padapter); + else if (!memcmp(P2P_OUI23A, oui, 4)) + update_bcn_p2p_ie(padapter); + else + DBG_8723A("unknown OUI type!\n"); +} + +void update_beacon23a(struct rtw_adapter *padapter, u8 ie_id, u8 *oui, u8 tx) +{ + struct mlme_priv *pmlmepriv; + struct mlme_ext_priv *pmlmeext; + /* struct mlme_ext_info *pmlmeinfo; */ + + /* DBG_8723A("%s\n", __func__); */ + + if (!padapter) + return; + + pmlmepriv = &padapter->mlmepriv; + pmlmeext = &padapter->mlmeextpriv; + /* pmlmeinfo = &pmlmeext->mlmext_info; */ + + if (false == pmlmeext->bstart_bss) + return; + + spin_lock_bh(&pmlmepriv->bcn_update_lock); + + switch (ie_id) { + case 0xFF: + /* 8: TimeStamp, 2: Beacon Interval 2:Capability */ + update_bcn_fixed_ie(padapter); + break; + + case WLAN_EID_TIM: + update_BCNTIM(padapter); + break; + + case WLAN_EID_ERP_INFO: + update_bcn_erpinfo_ie(padapter); + break; + + case WLAN_EID_HT_CAPABILITY: + update_bcn_htcap_ie(padapter); + break; + + case WLAN_EID_RSN: + update_bcn_rsn_ie(padapter); + break; + + case WLAN_EID_HT_OPERATION: + update_bcn_htinfo_ie(padapter); + break; + + case WLAN_EID_VENDOR_SPECIFIC: + update_bcn_vendor_spec_ie(padapter, oui); + break; + + default: + break; + } + + pmlmepriv->update_bcn = true; + + spin_unlock_bh(&pmlmepriv->bcn_update_lock); + + if (tx) + set_tx_beacon_cmd23a(padapter); +} + +/* +op_mode +Set to 0 (HT pure) under the following conditions + - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or + - all STAs in the BSS are 20 MHz HT in 20 MHz BSS +Set to 1 (HT non-member protection) if there may be non-HT STAs + in both the primary and the secondary channel +Set to 2 if only HT STAs are associated in BSS, + however and at least one 20 MHz HT STA is associated +Set to 3 (HT mixed mode) when one or more non-HT STAs are associated + (currently non-GF HT station is considered as non-HT STA also) +*/ +static int rtw_ht_operation_update(struct rtw_adapter *padapter) +{ + u16 cur_op_mode, new_op_mode; + int op_mode_changes = 0; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv; + + if (pmlmepriv->htpriv.ht_option) + return 0; + + /* if (!iface->conf->ieee80211n || iface->conf->ht_op_mode_fixed) */ + /* return 0; */ + + DBG_8723A("%s current operation mode = 0x%X\n", + __func__, pmlmepriv->ht_op_mode); + + if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) + && pmlmepriv->num_sta_ht_no_gf) { + pmlmepriv->ht_op_mode |= + IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT; + op_mode_changes++; + } else if ((pmlmepriv->ht_op_mode & + IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && + pmlmepriv->num_sta_ht_no_gf == 0) { + pmlmepriv->ht_op_mode &= + ~IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT; + op_mode_changes++; + } + + if (!(pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) && + (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) { + pmlmepriv->ht_op_mode |= IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT; + op_mode_changes++; + } else if ((pmlmepriv->ht_op_mode & + IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) && + (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) { + pmlmepriv->ht_op_mode &= + ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT; + op_mode_changes++; + } + + /* Note: currently we switch to the MIXED op mode if HT non-greenfield + * station is associated. Probably it's a theoretical case, since + * it looks like all known HT STAs support greenfield. + */ + if (pmlmepriv->num_sta_no_ht || + (pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT)) + new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED; + else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) & + IEEE80211_HT_CAP_SUP_WIDTH_20_40) && + pmlmepriv->num_sta_ht_20mhz) + new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_20MHZ; + else if (pmlmepriv->olbc_ht) + new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER; + else + new_op_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONE; + + cur_op_mode = pmlmepriv->ht_op_mode & IEEE80211_HT_OP_MODE_PROTECTION; + if (cur_op_mode != new_op_mode) { + pmlmepriv->ht_op_mode &= ~IEEE80211_HT_OP_MODE_PROTECTION; + pmlmepriv->ht_op_mode |= new_op_mode; + op_mode_changes++; + } + + DBG_8723A("%s new operation mode = 0x%X changes =%d\n", + __func__, pmlmepriv->ht_op_mode, op_mode_changes); + + return op_mode_changes; +} + +void associated_clients_update23a(struct rtw_adapter *padapter, u8 updated) +{ + /* update associated stations cap. */ + if (updated == true) { + struct list_head *phead, *plist, *ptmp; + struct sta_info *psta; + struct sta_priv *pstapriv = &padapter->stapriv; + + spin_lock_bh(&pstapriv->asoc_list_lock); + + phead = &pstapriv->asoc_list; + + list_for_each_safe(plist, ptmp, phead) { + psta = container_of(plist, struct sta_info, asoc_list); + + VCS_update23a(padapter, psta); + } + + spin_unlock_bh(&pstapriv->asoc_list_lock); + } +} + +/* called > TSR LEVEL for USB or SDIO Interface*/ +void bss_cap_update_on_sta_join23a(struct rtw_adapter *padapter, struct sta_info *psta) +{ + u8 beacon_updated = false; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) { + if (!psta->no_short_preamble_set) { + psta->no_short_preamble_set = 1; + + pmlmepriv->num_sta_no_short_preamble++; + + if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && + (pmlmepriv->num_sta_no_short_preamble == 1)) { + beacon_updated = true; + update_beacon23a(padapter, 0xFF, NULL, true); + } + + } + } else { + if (psta->no_short_preamble_set) { + psta->no_short_preamble_set = 0; + + pmlmepriv->num_sta_no_short_preamble--; + + if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && + (pmlmepriv->num_sta_no_short_preamble == 0)) { + beacon_updated = true; + update_beacon23a(padapter, 0xFF, NULL, true); + } + + } + } + + if (psta->flags & WLAN_STA_NONERP) { + if (!psta->nonerp_set) { + psta->nonerp_set = 1; + + pmlmepriv->num_sta_non_erp++; + + if (pmlmepriv->num_sta_non_erp == 1) { + beacon_updated = true; + update_beacon23a(padapter, WLAN_EID_ERP_INFO, NULL, true); + } + } + + } else { + if (psta->nonerp_set) { + psta->nonerp_set = 0; + + pmlmepriv->num_sta_non_erp--; + + if (pmlmepriv->num_sta_non_erp == 0) { + beacon_updated = true; + update_beacon23a(padapter, WLAN_EID_ERP_INFO, NULL, true); + } + } + + } + + if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) { + if (!psta->no_short_slot_time_set) { + psta->no_short_slot_time_set = 1; + + pmlmepriv->num_sta_no_short_slot_time++; + + if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && + (pmlmepriv->num_sta_no_short_slot_time == 1)) { + beacon_updated = true; + update_beacon23a(padapter, 0xFF, NULL, true); + } + + } + } else { + if (psta->no_short_slot_time_set) { + psta->no_short_slot_time_set = 0; + + pmlmepriv->num_sta_no_short_slot_time--; + + if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && + (pmlmepriv->num_sta_no_short_slot_time == 0)) { + beacon_updated = true; + update_beacon23a(padapter, 0xFF, NULL, true); + } + } + } + + if (psta->flags & WLAN_STA_HT) { + u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info); + + DBG_8723A("HT: STA %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_ap_inform_ch_switch23a (struct rtw_adapter *padapter, u8 new_ch, u8 ch_offset) +{ + struct list_head *phead, *plist; + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + + if ((pmlmeinfo->state&0x03) != MSR_AP) + return 0; + + DBG_8723A("%s(%s): with ch:%u, offset:%u\n", __func__, + padapter->pnetdev->name, new_ch, ch_offset); + + spin_lock_bh(&pstapriv->asoc_list_lock); + phead = &pstapriv->asoc_list; + + list_for_each(plist, phead) { + psta = container_of(plist, struct sta_info, asoc_list); + + issue_action_spct_ch_switch23a (padapter, psta->hwaddr, new_ch, ch_offset); + psta->expire_to = ((pstapriv->expire_to * 2) > 5) ? 5 : (pstapriv->expire_to * 2); + } + spin_unlock_bh(&pstapriv->asoc_list_lock); + + issue_action_spct_ch_switch23a (padapter, bc_addr, new_ch, ch_offset); + + return 0; +} + +int rtw_sta_flush23a(struct rtw_adapter *padapter) +{ + struct list_head *phead, *plist, *ptmp; + struct sta_info *psta; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + u8 chk_alive_num = 0; + struct sta_info *chk_alive_list[NUM_STA]; + int i; + + DBG_8723A("%s(%s)\n", __func__, padapter->pnetdev->name); + + if ((pmlmeinfo->state&0x03) != MSR_AP) + return 0; + + spin_lock_bh(&pstapriv->asoc_list_lock); + phead = &pstapriv->asoc_list; + + list_for_each_safe(plist, ptmp, phead) { + psta = container_of(plist, struct sta_info, asoc_list); + + /* Remove sta from asoc_list */ + list_del_init(&psta->asoc_list); + pstapriv->asoc_list_cnt--; + + /* Keep sta for ap_free_sta23a() beyond this asoc_list loop */ + chk_alive_list[chk_alive_num++] = psta; + } + spin_unlock_bh(&pstapriv->asoc_list_lock); + + /* For each sta in chk_alive_list, call ap_free_sta23a */ + for (i = 0; i < chk_alive_num; i++) + ap_free_sta23a(padapter, chk_alive_list[i], true, + WLAN_REASON_DEAUTH_LEAVING); + + issue_deauth23a(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING); + + associated_clients_update23a(padapter, true); + + return 0; +} + +/* called > TSR LEVEL for USB or SDIO Interface*/ +void sta_info_update23a(struct rtw_adapter *padapter, struct sta_info *psta) +{ + int flags = psta->flags; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + + /* update wmm cap. */ + if (WLAN_STA_WME&flags) + psta->qos_option = 1; + else + psta->qos_option = 0; + + if (pmlmepriv->qos_option == 0) + psta->qos_option = 0; + + /* update 802.11n ht cap. */ + if (WLAN_STA_HT&flags) { + psta->htpriv.ht_option = true; + psta->qos_option = 1; + } else { + psta->htpriv.ht_option = false; + } + + if (!pmlmepriv->htpriv.ht_option) + psta->htpriv.ht_option = false; + + update_sta_info23a_apmode23a(padapter, psta); +} + +/* called >= TSR LEVEL for USB or SDIO Interface*/ +void ap_sta_info_defer_update23a(struct rtw_adapter *padapter, struct sta_info *psta) +{ + if (psta->state & _FW_LINKED) { + /* add ratid */ + add_RATid23a(padapter, psta, 0);/* DM_RATR_STA_INIT */ + } +} + +/* restore hw setting from sw data structures */ +void rtw_ap_restore_network(struct rtw_adapter *padapter) +{ + struct mlme_priv *mlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct sta_priv *pstapriv = &padapter->stapriv; + struct sta_info *psta; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct list_head *phead, *plist, *ptmp; + u8 chk_alive_num = 0; + struct sta_info *chk_alive_list[NUM_STA]; + int i; + + rtw_setopmode_cmd23a(padapter, NL80211_IFTYPE_AP); + + set_channel_bwmode23a(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); + + start_bss_network(padapter, (u8 *)&mlmepriv->cur_network.network); + + if (padapter->securitypriv.dot11PrivacyAlgrthm == + WLAN_CIPHER_SUITE_TKIP || + padapter->securitypriv.dot11PrivacyAlgrthm == + WLAN_CIPHER_SUITE_CCMP) { + /* restore group key, WEP keys is restored in ips_leave23a() */ + rtw_set_key23a(padapter, psecuritypriv, + psecuritypriv->dot118021XGrpKeyid, 0); + } + + /* per sta pairwise key and settings */ + if (padapter->securitypriv.dot11PrivacyAlgrthm != + WLAN_CIPHER_SUITE_TKIP && + padapter->securitypriv.dot11PrivacyAlgrthm != + WLAN_CIPHER_SUITE_CCMP) { + return; + } + + spin_lock_bh(&pstapriv->asoc_list_lock); + + phead = &pstapriv->asoc_list; + + list_for_each_safe(plist, ptmp, phead) { + psta = container_of(plist, struct sta_info, asoc_list); + + chk_alive_list[chk_alive_num++] = psta; + } + + spin_unlock_bh(&pstapriv->asoc_list_lock); + + for (i = 0; i < chk_alive_num; i++) { + psta = chk_alive_list[i]; + + if (psta->state & _FW_LINKED) { + Update_RA_Entry23a(padapter, psta); + /* pairwise key */ + rtw_setstakey_cmd23a(padapter, (unsigned char *)psta, true); + } + } +} + +void start_ap_mode23a(struct rtw_adapter *padapter) +{ + int i; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + + pmlmepriv->update_bcn = false; + + /* init_mlme_ap_info23a(padapter); */ + pmlmeext->bstart_bss = false; + + pmlmepriv->num_sta_non_erp = 0; + + pmlmepriv->num_sta_no_short_slot_time = 0; + + pmlmepriv->num_sta_no_short_preamble = 0; + + pmlmepriv->num_sta_ht_no_gf = 0; + pmlmepriv->num_sta_no_ht = 0; + pmlmepriv->num_sta_ht_20mhz = 0; + + pmlmepriv->olbc = false; + + pmlmepriv->olbc_ht = false; + + pmlmepriv->ht_op_mode = 0; + + for (i = 0; i < NUM_STA; i++) + pstapriv->sta_aid[i] = NULL; + + /* for ACL */ + INIT_LIST_HEAD(&pacl_list->acl_node_q.queue); + pacl_list->num = 0; + pacl_list->mode = 0; + for (i = 0; i < NUM_ACL; i++) { + INIT_LIST_HEAD(&pacl_list->aclnode[i].list); + pacl_list->aclnode[i].valid = false; + } +} + +void stop_ap_mode23a(struct rtw_adapter *padapter) +{ + struct list_head *phead, *plist, *ptmp; + struct rtw_wlan_acl_node *paclnode; + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + struct rtw_queue *pacl_node_q = &pacl_list->acl_node_q; + + pmlmepriv->update_bcn = false; + pmlmeext->bstart_bss = false; + + /* reset and init security priv , this can refine with rtw_reset_securitypriv23a */ + memset((unsigned char *)&padapter->securitypriv, 0, sizeof (struct security_priv)); + padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen; + padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled; + + /* for ACL */ + spin_lock_bh(&pacl_node_q->lock); + phead = get_list_head(pacl_node_q); + + list_for_each_safe(plist, ptmp, phead) { + paclnode = container_of(plist, struct rtw_wlan_acl_node, list); + + if (paclnode->valid == true) { + paclnode->valid = false; + + list_del_init(&paclnode->list); + + pacl_list->num--; + } + } + spin_unlock_bh(&pacl_node_q->lock); + + DBG_8723A("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num); + + rtw_sta_flush23a(padapter); + + /* free_assoc_sta_resources */ + rtw_free_all_stainfo23a(padapter); + + psta = rtw_get_bcmc_stainfo23a(padapter); + spin_lock_bh(&pstapriv->sta_hash_lock); + rtw_free_stainfo23a(padapter, psta); + spin_unlock_bh(&pstapriv->sta_hash_lock); + + rtw_init_bcmc_stainfo23a(padapter); + + rtw23a_free_mlme_priv_ie_data(pmlmepriv); +} |