diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/core/rtw_ap.c')
| -rw-r--r-- | drivers/staging/rtl8188eu/core/rtw_ap.c | 1769 |
1 files changed, 1769 insertions, 0 deletions
diff --git a/drivers/staging/rtl8188eu/core/rtw_ap.c b/drivers/staging/rtl8188eu/core/rtw_ap.c new file mode 100644 index 0000000..282baa3 --- /dev/null +++ b/drivers/staging/rtl8188eu/core/rtw_ap.c @@ -0,0 +1,1769 @@ +// SPDX-License-Identifier: GPL-2.0 +/****************************************************************************** + * + * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. + * + ******************************************************************************/ +#define _RTW_AP_C_ + +#include <linux/ieee80211.h> + +#include <osdep_service.h> +#include <drv_types.h> +#include <wifi.h> +#include <ieee80211.h> +#include <asm/unaligned.h> + +#ifdef CPTCFG_88EU_AP_MODE + +void init_mlme_ap_info(struct adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct sta_priv *pstapriv = &padapter->stapriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + + spin_lock_init(&pmlmepriv->bcn_update_lock); + + /* for ACL */ + _rtw_init_queue(&pacl_list->acl_node_q); + + start_ap_mode(padapter); +} + +void free_mlme_ap_info(struct adapter *padapter) +{ + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + + pmlmepriv->update_bcn = false; + pmlmeext->bstart_bss = false; + + rtw_sta_flush(padapter); + + pmlmeinfo->state = _HW_STATE_NOLINK_; + + /* free_assoc_sta_resources */ + rtw_free_all_stainfo(padapter); + + /* free bc/mc sta_info */ + psta = rtw_get_bcmc_stainfo(padapter); + spin_lock_bh(&pstapriv->sta_hash_lock); + rtw_free_stainfo(padapter, psta); + spin_unlock_bh(&pstapriv->sta_hash_lock); +} + +static void update_BCNTIM(struct adapter *padapter) +{ + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network; + unsigned char *pie = pnetwork_mlmeext->ies; + u8 *p, *dst_ie, *premainder_ie = NULL; + u8 *pbackup_remainder_ie = NULL; + uint offset, tmp_len, tim_ielen, tim_ie_offset, remainder_ielen; + + /* update TIM IE */ + p = rtw_get_ie(pie + _FIXED_IE_LENGTH_, _TIM_IE_, &tim_ielen, + pnetwork_mlmeext->ie_length - _FIXED_IE_LENGTH_); + if (p && tim_ielen > 0) { + tim_ielen += 2; + premainder_ie = p + tim_ielen; + tim_ie_offset = (int)(p - pie); + remainder_ielen = pnetwork_mlmeext->ie_length - + tim_ie_offset - tim_ielen; + /* append TIM IE from dst_ie offset */ + dst_ie = p; + } else { + tim_ielen = 0; + + /* calculate head_len */ + offset = _FIXED_IE_LENGTH_; + offset += pnetwork_mlmeext->Ssid.SsidLength + 2; + + /* get supported rates len */ + p = rtw_get_ie(pie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, + &tmp_len, (pnetwork_mlmeext->ie_length - + _BEACON_IE_OFFSET_)); + if (p) + offset += tmp_len+2; + + /* DS Parameter Set IE, len = 3 */ + offset += 3; + + premainder_ie = pie + offset; + + remainder_ielen = pnetwork_mlmeext->ie_length - + offset - tim_ielen; + + /* append TIM IE from offset */ + dst_ie = pie + offset; + } + + if (remainder_ielen > 0) { + pbackup_remainder_ie = rtw_malloc(remainder_ielen); + if (pbackup_remainder_ie && premainder_ie) + memcpy(pbackup_remainder_ie, premainder_ie, + remainder_ielen); + } + *dst_ie++ = _TIM_IE_; + + if ((pstapriv->tim_bitmap & 0xff00) && (pstapriv->tim_bitmap & 0x00fc)) + tim_ielen = 5; + else + tim_ielen = 4; + + *dst_ie++ = tim_ielen; + + *dst_ie++ = 0;/* DTIM count */ + *dst_ie++ = 1;/* DTIM period */ + + if (pstapriv->tim_bitmap & BIT(0))/* for bc/mc frames */ + *dst_ie++ = BIT(0);/* bitmap ctrl */ + else + *dst_ie++ = 0; + + if (tim_ielen == 4) { + *dst_ie++ = pstapriv->tim_bitmap & 0xff; + } else if (tim_ielen == 5) { + put_unaligned_le16(pstapriv->tim_bitmap, dst_ie); + dst_ie += 2; + } + + /* copy remainder IE */ + if (pbackup_remainder_ie) { + memcpy(dst_ie, pbackup_remainder_ie, remainder_ielen); + + kfree(pbackup_remainder_ie); + } + offset = (uint)(dst_ie - pie); + pnetwork_mlmeext->ie_length = offset + remainder_ielen; + + set_tx_beacon_cmd(padapter); +} + +static u8 chk_sta_is_alive(struct sta_info *psta) +{ + u8 ret = false; + + if ((psta->sta_stats.last_rx_data_pkts + + psta->sta_stats.last_rx_ctrl_pkts) == + (psta->sta_stats.rx_data_pkts + + psta->sta_stats.rx_ctrl_pkts)) + ; + else + ret = true; + + sta_update_last_rx_pkts(psta); + + return ret; +} + +void expire_timeout_chk(struct adapter *padapter) +{ + struct list_head *phead, *plist; + u8 updated = 0; + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + u8 chk_alive_num = 0; + char chk_alive_list[NUM_STA]; + int i; + + spin_lock_bh(&pstapriv->auth_list_lock); + + phead = &pstapriv->auth_list; + plist = phead->next; + + /* check auth_queue */ + while (phead != plist) { + psta = container_of(plist, struct sta_info, auth_list); + plist = plist->next; + + if (psta->expire_to > 0) { + psta->expire_to--; + if (psta->expire_to == 0) { + list_del_init(&psta->auth_list); + pstapriv->auth_list_cnt--; + + DBG_88E("auth expire %6ph\n", + psta->hwaddr); + + spin_unlock_bh(&pstapriv->auth_list_lock); + + spin_lock_bh(&pstapriv->sta_hash_lock); + rtw_free_stainfo(padapter, psta); + spin_unlock_bh(&pstapriv->sta_hash_lock); + + spin_lock_bh(&pstapriv->auth_list_lock); + } + } + } + spin_unlock_bh(&pstapriv->auth_list_lock); + + psta = NULL; + + spin_lock_bh(&pstapriv->asoc_list_lock); + + phead = &pstapriv->asoc_list; + plist = phead->next; + + /* check asoc_queue */ + while (phead != plist) { + psta = container_of(plist, struct sta_info, asoc_list); + plist = plist->next; + + if (chk_sta_is_alive(psta) || !psta->expire_to) { + psta->expire_to = pstapriv->expire_to; + psta->keep_alive_trycnt = 0; + psta->under_exist_checking = 0; + } else { + psta->expire_to--; + } + + if (psta->expire_to <= 0) { + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + if (padapter->registrypriv.wifi_spec == 1) { + psta->expire_to = pstapriv->expire_to; + continue; + } + + if (psta->state & WIFI_SLEEP_STATE) { + if (!(psta->state & WIFI_STA_ALIVE_CHK_STATE)) { + /* to check if alive by another methods + * if station is at ps mode. + */ + psta->expire_to = pstapriv->expire_to; + psta->state |= WIFI_STA_ALIVE_CHK_STATE; + + /* to update bcn with tim_bitmap + * for this station + */ + pstapriv->tim_bitmap |= BIT(psta->aid); + update_beacon(padapter, _TIM_IE_, NULL, + false); + + if (!pmlmeext->active_keep_alive_check) + continue; + } + } + if (pmlmeext->active_keep_alive_check) { + int stainfo_offset; + + stainfo_offset = + rtw_stainfo_offset(pstapriv, psta); + if (stainfo_offset_valid(stainfo_offset)) + chk_alive_list[chk_alive_num++] = + stainfo_offset; + continue; + } + + list_del_init(&psta->asoc_list); + pstapriv->asoc_list_cnt--; + + DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state); + updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING); + } else { + /* TODO: Aging mechanism to digest frames in sleep_q to avoid running out of xmitframe */ + if (psta->sleepq_len > (NR_XMITFRAME / pstapriv->asoc_list_cnt) && + padapter->xmitpriv.free_xmitframe_cnt < (NR_XMITFRAME / pstapriv->asoc_list_cnt / 2)) { + DBG_88E("%s sta:%pM, sleepq_len:%u, free_xmitframe_cnt:%u, asoc_list_cnt:%u, clear sleep_q\n", __func__, + (psta->hwaddr), psta->sleepq_len, + padapter->xmitpriv.free_xmitframe_cnt, + pstapriv->asoc_list_cnt); + wakeup_sta_to_xmit(padapter, psta); + } + } + } + + spin_unlock_bh(&pstapriv->asoc_list_lock); + + if (chk_alive_num) { + u8 backup_oper_channel = 0; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + /* switch to correct channel of current network before issue keep-alive frames */ + if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) { + backup_oper_channel = rtw_get_oper_ch(padapter); + SelectChannel(padapter, pmlmeext->cur_channel); + } + + /* issue null data to check sta alive*/ + for (i = 0; i < chk_alive_num; i++) { + int ret = _FAIL; + + psta = rtw_get_stainfo_by_offset(pstapriv, chk_alive_list[i]); + + if (psta->state & WIFI_SLEEP_STATE) + ret = issue_nulldata(padapter, psta->hwaddr, 0, 1, 50); + else + ret = issue_nulldata(padapter, psta->hwaddr, 0, 3, 50); + + psta->keep_alive_trycnt++; + if (ret == _SUCCESS) { + DBG_88E("asoc check, sta(%pM) is alive\n", (psta->hwaddr)); + psta->expire_to = pstapriv->expire_to; + psta->keep_alive_trycnt = 0; + continue; + } else if (psta->keep_alive_trycnt <= 3) { + DBG_88E("ack check for asoc expire, keep_alive_trycnt =%d\n", psta->keep_alive_trycnt); + psta->expire_to = 1; + continue; + } + + psta->keep_alive_trycnt = 0; + + DBG_88E("asoc expire %pM, state = 0x%x\n", (psta->hwaddr), psta->state); + spin_lock_bh(&pstapriv->asoc_list_lock); + list_del_init(&psta->asoc_list); + pstapriv->asoc_list_cnt--; + updated = ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING); + spin_unlock_bh(&pstapriv->asoc_list_lock); + } + + if (backup_oper_channel > 0) /* back to the original operation channel */ + SelectChannel(padapter, backup_oper_channel); + } + + associated_clients_update(padapter, updated); +} + +void add_RATid(struct adapter *padapter, struct sta_info *psta, u8 rssi_level) +{ + int i; + u32 init_rate = 0; + unsigned char sta_band = 0, raid, shortGIrate = false; + unsigned int tx_ra_bitmap = 0; + struct ht_priv *psta_ht = NULL; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network; + + if (psta) + psta_ht = &psta->htpriv; + else + return; + + if (!(psta->state & _FW_LINKED)) + return; + + /* b/g mode ra_bitmap */ + for (i = 0; i < sizeof(psta->bssrateset); i++) { + if (psta->bssrateset[i]) + tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f); + } + /* n mode ra_bitmap */ + if (psta_ht->ht_option) { + for (i = 0; i < 8; i++) + if (psta_ht->ht_cap.mcs.rx_mask[0] & BIT(i)) + tx_ra_bitmap |= BIT(i + 12); + + /* max short GI rate */ + shortGIrate = psta_ht->sgi; + } + + if (pcur_network->Configuration.DSConfig > 14) { + /* 5G band */ + if (tx_ra_bitmap & 0xffff000) + sta_band |= WIRELESS_11_5N | WIRELESS_11A; + else + sta_band |= WIRELESS_11A; + } else { + if (tx_ra_bitmap & 0xffff000) + sta_band |= WIRELESS_11_24N | WIRELESS_11G | WIRELESS_11B; + else if (tx_ra_bitmap & 0xff0) + sta_band |= WIRELESS_11G | WIRELESS_11B; + else + sta_band |= WIRELESS_11B; + } + + psta->wireless_mode = sta_band; + + raid = networktype_to_raid(sta_band); + init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f; + + if (psta->aid < NUM_STA) { + u8 arg = 0; + + arg = psta->mac_id & 0x1f; + + arg |= BIT(7);/* support entry 2~31 */ + + if (shortGIrate) + arg |= BIT(5); + + tx_ra_bitmap |= ((raid << 28) & 0xf0000000); + + DBG_88E("%s => mac_id:%d , raid:%d , bitmap = 0x%x, arg = 0x%x\n", + __func__, psta->mac_id, raid, tx_ra_bitmap, arg); + + /* bitmap[0:27] = tx_rate_bitmap */ + /* bitmap[28:31]= Rate Adaptive id */ + /* arg[0:4] = macid */ + /* arg[5] = Short GI */ + rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, rssi_level); + + if (shortGIrate) + init_rate |= BIT(6); + + /* set ra_id, init_rate */ + psta->raid = raid; + psta->init_rate = init_rate; + + } else { + DBG_88E("station aid %d exceed the max number\n", psta->aid); + } +} + +static void update_bmc_sta(struct adapter *padapter) +{ + u32 init_rate = 0; + unsigned char network_type, raid; + int i, supportRateNum = 0; + unsigned int tx_ra_bitmap = 0; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct wlan_bssid_ex *pcur_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network; + struct sta_info *psta = rtw_get_bcmc_stainfo(padapter); + + if (psta) { + psta->aid = 0;/* default set to 0 */ + psta->mac_id = psta->aid + 1; + + psta->qos_option = 0; + psta->htpriv.ht_option = false; + + psta->ieee8021x_blocked = 0; + + memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats)); + + /* prepare for add_RATid */ + supportRateNum = rtw_get_rateset_len((u8 *)&pcur_network->SupportedRates); + network_type = rtw_check_network_type((u8 *)&pcur_network->SupportedRates, supportRateNum, 1); + + memcpy(psta->bssrateset, &pcur_network->SupportedRates, supportRateNum); + psta->bssratelen = supportRateNum; + + /* b/g mode ra_bitmap */ + for (i = 0; i < supportRateNum; i++) { + if (psta->bssrateset[i]) + tx_ra_bitmap |= rtw_get_bit_value_from_ieee_value(psta->bssrateset[i] & 0x7f); + } + + if (pcur_network->Configuration.DSConfig > 14) { + /* force to A mode. 5G doesn't support CCK rates */ + network_type = WIRELESS_11A; + tx_ra_bitmap = 0x150; /* 6, 12, 24 Mbps */ + } else { + /* force to b mode */ + network_type = WIRELESS_11B; + tx_ra_bitmap = 0xf; + } + + raid = networktype_to_raid(network_type); + init_rate = get_highest_rate_idx(tx_ra_bitmap & 0x0fffffff) & 0x3f; + + /* ap mode */ + rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true); + + { + u8 arg = 0; + + arg = psta->mac_id & 0x1f; + arg |= BIT(7); + tx_ra_bitmap |= ((raid << 28) & 0xf0000000); + DBG_88E("%s, mask = 0x%x, arg = 0x%x\n", __func__, tx_ra_bitmap, arg); + + /* bitmap[0:27] = tx_rate_bitmap */ + /* bitmap[28:31]= Rate Adaptive id */ + /* arg[0:4] = macid */ + /* arg[5] = Short GI */ + rtw_hal_add_ra_tid(padapter, tx_ra_bitmap, arg, 0); + } + /* set ra_id, init_rate */ + psta->raid = raid; + psta->init_rate = init_rate; + + rtw_stassoc_hw_rpt(padapter, psta); + + spin_lock_bh(&psta->lock); + psta->state = _FW_LINKED; + spin_unlock_bh(&psta->lock); + + } else { + DBG_88E("add_RATid_bmc_sta error!\n"); + } +} + +/* notes: */ +/* AID: 1~MAX for sta and 0 for bc/mc in ap/adhoc mode */ +/* MAC_ID = AID+1 for sta in ap/adhoc mode */ +/* MAC_ID = 1 for bc/mc for sta/ap/adhoc */ +/* MAC_ID = 0 for bssid for sta/ap/adhoc */ +/* CAM_ID = 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */ + +void update_sta_info_apmode(struct adapter *padapter, struct sta_info *psta) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv; + struct ht_priv *phtpriv_sta = &psta->htpriv; + + psta->mac_id = psta->aid + 1; + DBG_88E("%s\n", __func__); + + /* ap mode */ + rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true); + + if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) + psta->ieee8021x_blocked = true; + else + psta->ieee8021x_blocked = false; + + /* update sta's cap */ + + /* ERP */ + VCS_update(padapter, psta); + /* HT related cap */ + if (phtpriv_sta->ht_option) { + /* check if sta supports rx ampdu */ + phtpriv_sta->ampdu_enable = phtpriv_ap->ampdu_enable; + + /* check if sta support s Short GI */ + if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info & + phtpriv_ap->ht_cap.cap_info) & + (IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40)) + phtpriv_sta->sgi = true; + + /* bwmode */ + if (le16_to_cpu(phtpriv_sta->ht_cap.cap_info & + phtpriv_ap->ht_cap.cap_info) & + IEEE80211_HT_CAP_SUP_WIDTH) { + phtpriv_sta->bwmode = pmlmeext->cur_bwmode; + phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset; + } + psta->qos_option = true; + } else { + phtpriv_sta->ampdu_enable = false; + phtpriv_sta->sgi = false; + phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20; + phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + } + + /* Rx AMPDU */ + send_delba(padapter, 0, psta->hwaddr);/* recipient */ + + /* TX AMPDU */ + send_delba(padapter, 1, psta->hwaddr);/* originator */ + phtpriv_sta->agg_enable_bitmap = 0x0;/* reset */ + phtpriv_sta->candidate_tid_bitmap = 0x0;/* reset */ + + /* todo: init other variables */ + + memset(&psta->sta_stats, 0, sizeof(struct stainfo_stats)); + + spin_lock_bh(&psta->lock); + psta->state |= _FW_LINKED; + spin_unlock_bh(&psta->lock); +} + +static void update_hw_ht_param(struct adapter *padapter) +{ + unsigned char max_AMPDU_len; + unsigned char min_MPDU_spacing; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + + DBG_88E("%s\n", __func__); + + /* handle A-MPDU parameter field */ + /* + ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k + ampdu_params_info [4:2]:Min MPDU Start Spacing + */ + max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03; + + min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2; + + rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing)); + + rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len)); + + /* */ + /* Config SM Power Save setting */ + /* */ + pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2; + if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC) + DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__); +} + +static void start_bss_network(struct adapter *padapter, u8 *pbuf) +{ + u8 *p; + u8 val8, cur_channel, cur_bwmode, cur_ch_offset; + u16 bcn_interval; + u32 acparm; + uint ie_len; + struct registry_priv *pregpriv = &padapter->registrypriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct wlan_bssid_ex *pnetwork_mlmeext = &pmlmeinfo->network; + struct HT_info_element *pht_info = NULL; + + bcn_interval = (u16)pnetwork->Configuration.BeaconPeriod; + cur_channel = pnetwork->Configuration.DSConfig; + cur_bwmode = HT_CHANNEL_WIDTH_20; + cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + + /* check if there is wps ie, + * if there is wpsie in beacon, the hostapd will update + * beacon twice when stating hostapd, and at first time the + * security ie (RSN/WPA IE) will not include in beacon. + */ + if (!rtw_get_wps_ie(pnetwork->ies + _FIXED_IE_LENGTH_, pnetwork->ie_length - _FIXED_IE_LENGTH_, NULL, NULL)) + pmlmeext->bstart_bss = true; + + /* todo: update wmm, ht cap */ + if (pmlmepriv->qospriv.qos_option) + pmlmeinfo->WMM_enable = true; + if (pmlmepriv->htpriv.ht_option) { + pmlmeinfo->WMM_enable = true; + pmlmeinfo->HT_enable = true; + + update_hw_ht_param(padapter); + } + + /* setting only at first time */ + if (pmlmepriv->cur_network.join_res != true) { + /* WEP Key will be set before this function, do not + * clear CAM. + */ + if ((psecuritypriv->dot11PrivacyAlgrthm != _WEP40_) && + (psecuritypriv->dot11PrivacyAlgrthm != _WEP104_)) + flush_all_cam_entry(padapter); /* clear CAM */ + } + + /* set MSR to AP_Mode */ + Set_MSR(padapter, _HW_STATE_AP_); + + /* Set BSSID REG */ + rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pnetwork->MacAddress); + + /* Set EDCA param reg */ + acparm = 0x002F3217; /* VO */ + rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acparm)); + acparm = 0x005E4317; /* VI */ + rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acparm)); + acparm = 0x005ea42b; + rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acparm)); + acparm = 0x0000A444; /* BK */ + rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acparm)); + + /* Set Security */ + val8 = (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf; + rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8)); + + /* Beacon Control related register */ + rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&bcn_interval)); + + UpdateBrateTbl(padapter, pnetwork->SupportedRates); + rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, pnetwork->SupportedRates); + + if (!pmlmepriv->cur_network.join_res) { /* setting only at first time */ + /* turn on all dynamic functions */ + Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true); + } + /* set channel, bwmode */ + p = rtw_get_ie((pnetwork->ies + sizeof(struct ndis_802_11_fixed_ie)), _HT_ADD_INFO_IE_, &ie_len, (pnetwork->ie_length - sizeof(struct ndis_802_11_fixed_ie))); + if (p && ie_len) { + pht_info = (struct HT_info_element *)(p + 2); + + if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) { + /* switch to the 40M Hz mode */ + cur_bwmode = HT_CHANNEL_WIDTH_40; + switch (pht_info->infos[0] & 0x3) { + case 1: + cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; + break; + case 3: + cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; + break; + default: + cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + break; + } + } + } + /* TODO: need to judge the phy parameters on concurrent + * mode for single phy + */ + set_channel_bwmode(padapter, cur_channel, cur_ch_offset, cur_bwmode); + + DBG_88E("CH =%d, BW =%d, offset =%d\n", cur_channel, cur_bwmode, cur_ch_offset); + + /* */ + pmlmeext->cur_channel = cur_channel; + pmlmeext->cur_bwmode = cur_bwmode; + pmlmeext->cur_ch_offset = cur_ch_offset; + pmlmeext->cur_wireless_mode = pmlmepriv->cur_network.network_type; + + /* update cur_wireless_mode */ + update_wireless_mode(padapter); + + /* update capability after cur_wireless_mode updated */ + update_capinfo(padapter, rtw_get_capability((struct wlan_bssid_ex *)pnetwork)); + + /* let pnetwork_mlmeext == pnetwork_mlme. */ + memcpy(pnetwork_mlmeext, pnetwork, pnetwork->Length); + + if (pmlmeext->bstart_bss) { + update_beacon(padapter, _TIM_IE_, NULL, false); + + /* issue beacon frame */ + if (send_beacon(padapter) == _FAIL) + DBG_88E("send_beacon, fail!\n"); + } + + /* update bc/mc sta_info */ + update_bmc_sta(padapter); +} + +int rtw_check_beacon_data(struct adapter *padapter, u8 *pbuf, int len) +{ + int ret = _SUCCESS; + u8 *p; + u8 *pHT_caps_ie = NULL; + u8 *pHT_info_ie = NULL; + struct sta_info *psta = NULL; + u16 cap, ht_cap = false; + uint ie_len = 0; + int group_cipher, pairwise_cipher; + u8 channel, network_type, supportRate[NDIS_802_11_LENGTH_RATES_EX]; + int supportRateNum = 0; + u8 OUI1[] = {0x00, 0x50, 0xf2, 0x01}; + u8 WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01}; + struct registry_priv *pregistrypriv = &padapter->registrypriv; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct wlan_bssid_ex *pbss_network = (struct wlan_bssid_ex *)&pmlmepriv->cur_network.network; + u8 *ie = pbss_network->ies; + + /* SSID */ + /* Supported rates */ + /* DS Params */ + /* WLAN_EID_COUNTRY */ + /* ERP Information element */ + /* Extended supported rates */ + /* WPA/WPA2 */ + /* Wi-Fi Wireless Multimedia Extensions */ + /* ht_capab, ht_oper */ + /* WPS IE */ + + DBG_88E("%s, len =%d\n", __func__, len); + + if (check_fwstate(pmlmepriv, WIFI_AP_STATE) != true) + return _FAIL; + + if (len < 0 || len > MAX_IE_SZ) + return _FAIL; + + pbss_network->ie_length = len; + + memset(ie, 0, MAX_IE_SZ); + + memcpy(ie, pbuf, pbss_network->ie_length); + + if (pbss_network->InfrastructureMode != Ndis802_11APMode) + return _FAIL; + + pbss_network->Rssi = 0; + + ether_addr_copy(pbss_network->MacAddress, myid(&padapter->eeprompriv)); + + /* beacon interval */ + p = rtw_get_beacon_interval_from_ie(ie);/* 8: TimeStamp, 2: Beacon Interval 2:Capability */ + pbss_network->Configuration.BeaconPeriod = get_unaligned_le16(p); + + /* capability */ + cap = get_unaligned_le16(ie); + + /* SSID */ + p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SSID_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_)); + if (p && ie_len > 0) { + memset(&pbss_network->Ssid, 0, sizeof(struct ndis_802_11_ssid)); + memcpy(pbss_network->Ssid.Ssid, (p + 2), ie_len); + pbss_network->Ssid.SsidLength = ie_len; + } + + /* channel */ + channel = 0; + pbss_network->Configuration.Length = 0; + p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _DSSET_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_)); + if (p && ie_len > 0) + channel = *(p + 2); + + pbss_network->Configuration.DSConfig = channel; + + memset(supportRate, 0, NDIS_802_11_LENGTH_RATES_EX); + /* get supported rates */ + p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _SUPPORTEDRATES_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_)); + if (p) { + memcpy(supportRate, p + 2, ie_len); + supportRateNum = ie_len; + } + + /* get ext_supported rates */ + p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _EXT_SUPPORTEDRATES_IE_, &ie_len, pbss_network->ie_length - _BEACON_IE_OFFSET_); + if (p) { + memcpy(supportRate + supportRateNum, p + 2, ie_len); + supportRateNum += ie_len; + } + + network_type = rtw_check_network_type(supportRate, supportRateNum, channel); + + rtw_set_supported_rate(pbss_network->SupportedRates, network_type); + + /* parsing ERP_IE */ + p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_)); + if (p && ie_len > 0) + ERP_IE_handler(padapter, (struct ndis_802_11_var_ie *)p); + + /* update privacy/security */ + if (cap & BIT(4)) + pbss_network->Privacy = 1; + else + pbss_network->Privacy = 0; + + psecuritypriv->wpa_psk = 0; + + /* wpa2 */ + group_cipher = 0; + pairwise_cipher = 0; + psecuritypriv->wpa2_group_cipher = _NO_PRIVACY_; + psecuritypriv->wpa2_pairwise_cipher = _NO_PRIVACY_; + p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pbss_network->ie_length - _BEACON_IE_OFFSET_)); + if (p && ie_len > 0) { + if (rtw_parse_wpa2_ie(p, ie_len + 2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) { + psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X; + + psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */ + psecuritypriv->wpa_psk |= BIT(1); + + psecuritypriv->wpa2_group_cipher = group_cipher; + psecuritypriv->wpa2_pairwise_cipher = pairwise_cipher; + } + } + /* wpa */ + ie_len = 0; + group_cipher = 0; + pairwise_cipher = 0; + psecuritypriv->wpa_group_cipher = _NO_PRIVACY_; + psecuritypriv->wpa_pairwise_cipher = _NO_PRIVACY_; + for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) { + p = rtw_get_ie(p, _SSN_IE_1_, &ie_len, + (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2))); + if ((p) && (!memcmp(p + 2, OUI1, 4))) { + if (rtw_parse_wpa_ie(p, ie_len + 2, &group_cipher, + &pairwise_cipher, NULL) == _SUCCESS) { + psecuritypriv->dot11AuthAlgrthm = dot11AuthAlgrthm_8021X; + + psecuritypriv->dot8021xalg = 1;/* psk, todo:802.1x */ + + psecuritypriv->wpa_psk |= BIT(0); + + psecuritypriv->wpa_group_cipher = group_cipher; + psecuritypriv->wpa_pairwise_cipher = pairwise_cipher; + } + break; + } + if ((!p) || (ie_len == 0)) + break; + } + + /* wmm */ + ie_len = 0; + pmlmepriv->qospriv.qos_option = 0; + if (pregistrypriv->wmm_enable) { + for (p = ie + _BEACON_IE_OFFSET_;; p += (ie_len + 2)) { + p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len, + (pbss_network->ie_length - _BEACON_IE_OFFSET_ - (ie_len + 2))); + if ((p) && !memcmp(p + 2, WMM_PARA_IE, 6)) { + pmlmepriv->qospriv.qos_option = 1; + + /* QoS Info, support U-APSD */ + *(p + 8) |= BIT(7); + + /* disable all ACM bits since the WMM + * admission control is not supported + */ + *(p + 10) &= ~BIT(4); /* BE */ + *(p + 14) &= ~BIT(4); /* BK */ + *(p + 18) &= ~BIT(4); /* VI */ + *(p + 22) &= ~BIT(4); /* VO */ + break; + } + + if ((!p) || (ie_len == 0)) + break; + } + } + /* parsing HT_CAP_IE */ + p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len, + (pbss_network->ie_length - _BEACON_IE_OFFSET_)); + if (p && ie_len > 0) { + struct ieee80211_ht_cap *pht_cap = (struct ieee80211_ht_cap *)(p + 2); + + pHT_caps_ie = p; + ht_cap = true; + network_type |= WIRELESS_11_24N; + + if ((psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_CCMP) || + (psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_CCMP)) + pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2)); + else + pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00); + + /* set Max Rx AMPDU size to 64K */ + pht_cap->ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_FACTOR & 0x03); + + pht_cap->mcs.rx_mask[0] = 0xff; + pht_cap->mcs.rx_mask[1] = 0x0; + memcpy(&pmlmepriv->htpriv.ht_cap, p+2, ie_len); + } + + /* parsing HT_INFO_IE */ + p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len, + (pbss_network->ie_length - _BEACON_IE_OFFSET_)); + if (p && ie_len > 0) + pHT_info_ie = p; + switch (network_type) { + case WIRELESS_11B: + pbss_network->NetworkTypeInUse = Ndis802_11DS; + break; + case WIRELESS_11G: + case WIRELESS_11BG: + case WIRELESS_11G_24N: + case WIRELESS_11BG_24N: + pbss_network->NetworkTypeInUse = Ndis802_11OFDM24; + break; + case WIRELESS_11A: + pbss_network->NetworkTypeInUse = Ndis802_11OFDM5; + break; + default: + pbss_network->NetworkTypeInUse = Ndis802_11OFDM24; + break; + } + + pmlmepriv->cur_network.network_type = network_type; + + pmlmepriv->htpriv.ht_option = false; + + if ((psecuritypriv->wpa2_pairwise_cipher & WPA_CIPHER_TKIP) || + (psecuritypriv->wpa_pairwise_cipher & WPA_CIPHER_TKIP)) { + /* todo: */ + /* ht_cap = false; */ + } + + /* ht_cap */ + if (pregistrypriv->ht_enable && ht_cap) { + pmlmepriv->htpriv.ht_option = true; + pmlmepriv->qospriv.qos_option = 1; + + if (pregistrypriv->ampdu_enable == 1) + pmlmepriv->htpriv.ampdu_enable = true; + HT_caps_handler(padapter, (struct ndis_802_11_var_ie *)pHT_caps_ie); + + HT_info_handler(padapter, (struct ndis_802_11_var_ie *)pHT_info_ie); + } + + pbss_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pbss_network); + + /* issue beacon to start bss network */ + start_bss_network(padapter, (u8 *)pbss_network); + + /* alloc sta_info for ap itself */ + psta = rtw_get_stainfo(&padapter->stapriv, pbss_network->MacAddress); + if (!psta) { + psta = rtw_alloc_stainfo(&padapter->stapriv, pbss_network->MacAddress); + if (!psta) + return _FAIL; + } + + /* fix bug of flush_cam_entry at STOP AP mode */ + psta->state |= WIFI_AP_STATE; + rtw_indicate_connect(padapter); + pmlmepriv->cur_network.join_res = true;/* for check if already set beacon */ + return ret; +} + +void rtw_set_macaddr_acl(struct adapter *padapter, int mode) +{ + struct sta_priv *pstapriv = &padapter->stapriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + + DBG_88E("%s, mode =%d\n", __func__, mode); + + pacl_list->mode = mode; +} + +int rtw_acl_add_sta(struct adapter *padapter, u8 *addr) +{ + struct list_head *plist, *phead; + u8 added = false; + int i, ret = 0; + struct rtw_wlan_acl_node *paclnode; + struct sta_priv *pstapriv = &padapter->stapriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + struct __queue *pacl_node_q = &pacl_list->acl_node_q; + + DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr)); + + if ((NUM_ACL - 1) < pacl_list->num) + return -1; + + spin_lock_bh(&pacl_node_q->lock); + + phead = get_list_head(pacl_node_q); + plist = phead->next; + + while (phead != plist) { + paclnode = container_of(plist, struct rtw_wlan_acl_node, list); + plist = plist->next; + + if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { + if (paclnode->valid) { + added = true; + DBG_88E("%s, sta has been added\n", __func__); + break; + } + } + } + + spin_unlock_bh(&pacl_node_q->lock); + + if (added) + return ret; + + spin_lock_bh(&pacl_node_q->lock); + + for (i = 0; i < NUM_ACL; i++) { + paclnode = &pacl_list->aclnode[i]; + + if (!paclnode->valid) { + INIT_LIST_HEAD(&paclnode->list); + + ether_addr_copy(paclnode->addr, addr); + + paclnode->valid = true; + + list_add_tail(&paclnode->list, get_list_head(pacl_node_q)); + + pacl_list->num++; + + break; + } + } + + DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num); + + spin_unlock_bh(&pacl_node_q->lock); + + return ret; +} + +int rtw_acl_remove_sta(struct adapter *padapter, u8 *addr) +{ + struct list_head *plist, *phead; + struct rtw_wlan_acl_node *paclnode; + struct sta_priv *pstapriv = &padapter->stapriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + struct __queue *pacl_node_q = &pacl_list->acl_node_q; + + DBG_88E("%s(acl_num =%d) =%pM\n", __func__, pacl_list->num, (addr)); + + spin_lock_bh(&pacl_node_q->lock); + + phead = get_list_head(pacl_node_q); + plist = phead->next; + + while (phead != plist) { + paclnode = container_of(plist, struct rtw_wlan_acl_node, list); + plist = plist->next; + + if (!memcmp(paclnode->addr, addr, ETH_ALEN)) { + if (paclnode->valid) { + paclnode->valid = false; + + list_del_init(&paclnode->list); + + pacl_list->num--; + } + } + } + + spin_unlock_bh(&pacl_node_q->lock); + + DBG_88E("%s, acl_num =%d\n", __func__, pacl_list->num); + return 0; +} + +static void update_bcn_erpinfo_ie(struct adapter *padapter) +{ + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network; + unsigned char *p, *ie = pnetwork->ies; + u32 len = 0; + + DBG_88E("%s, ERP_enable =%d\n", __func__, pmlmeinfo->ERP_enable); + + if (!pmlmeinfo->ERP_enable) + return; + + /* parsing ERP_IE */ + p = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _ERPINFO_IE_, &len, + (pnetwork->ie_length - _BEACON_IE_OFFSET_)); + if (p && len > 0) { + struct ndis_802_11_var_ie *pIE = (struct ndis_802_11_var_ie *)p; + + if (pmlmepriv->num_sta_non_erp == 1) + pIE->data[0] |= RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION; + else + pIE->data[0] &= ~(RTW_ERP_INFO_NON_ERP_PRESENT|RTW_ERP_INFO_USE_PROTECTION); + + if (pmlmepriv->num_sta_no_short_preamble > 0) + pIE->data[0] |= RTW_ERP_INFO_BARKER_PREAMBLE_MODE; + else + pIE->data[0] &= ~(RTW_ERP_INFO_BARKER_PREAMBLE_MODE); + + ERP_IE_handler(padapter, pIE); + } +} + +static void update_bcn_wps_ie(struct adapter *padapter) +{ + u8 *pwps_ie = NULL, *pwps_ie_src; + u8 *premainder_ie, *pbackup_remainder_ie = NULL; + uint wps_ielen = 0, wps_offset, remainder_ielen; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + struct wlan_bssid_ex *pnetwork = &pmlmeinfo->network; + unsigned char *ie = pnetwork->ies; + u32 ielen = pnetwork->ie_length; + + DBG_88E("%s\n", __func__); + + pwps_ie_src = pmlmepriv->wps_beacon_ie; + if (!pwps_ie_src) + return; + + pwps_ie = rtw_get_wps_ie(ie+_FIXED_IE_LENGTH_, ielen-_FIXED_IE_LENGTH_, NULL, &wps_ielen); + + if (!pwps_ie || wps_ielen == 0) + return; + + wps_offset = (uint)(pwps_ie-ie); + + premainder_ie = pwps_ie + wps_ielen; + + remainder_ielen = ielen - wps_offset - wps_ielen; + + if (remainder_ielen > 0) { + pbackup_remainder_ie = rtw_malloc(remainder_ielen); + if (pbackup_remainder_ie) + memcpy(pbackup_remainder_ie, premainder_ie, remainder_ielen); + } + + wps_ielen = (uint)pwps_ie_src[1];/* to get ie data len */ + if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) { + memcpy(pwps_ie, pwps_ie_src, wps_ielen+2); + pwps_ie += (wps_ielen+2); + + if (pbackup_remainder_ie) + memcpy(pwps_ie, pbackup_remainder_ie, remainder_ielen); + + /* update ie_length */ + pnetwork->ie_length = wps_offset + (wps_ielen+2) + remainder_ielen; + } + + kfree(pbackup_remainder_ie); +} + +static void update_bcn_vendor_spec_ie(struct adapter *padapter, u8 *oui) +{ + DBG_88E("%s\n", __func__); + + if (!memcmp(WPS_OUI, oui, 4)) + update_bcn_wps_ie(padapter); + else + DBG_88E("unknown OUI type!\n"); +} + +void update_beacon(struct adapter *padapter, u8 ie_id, u8 *oui, u8 tx) +{ + struct mlme_priv *pmlmepriv; + struct mlme_ext_priv *pmlmeext; + + if (!padapter) + return; + + pmlmepriv = &padapter->mlmepriv; + pmlmeext = &padapter->mlmeextpriv; + + if (!pmlmeext->bstart_bss) + return; + + spin_lock_bh(&pmlmepriv->bcn_update_lock); + + switch (ie_id) { + case _TIM_IE_: + update_BCNTIM(padapter); + break; + case _ERPINFO_IE_: + update_bcn_erpinfo_ie(padapter); + break; + case _VENDOR_SPECIFIC_IE_: + update_bcn_vendor_spec_ie(padapter, oui); + break; + default: + break; + } + + pmlmepriv->update_bcn = true; + + spin_unlock_bh(&pmlmepriv->bcn_update_lock); + + if (tx) + set_tx_beacon_cmd(padapter); +} + +/* +op_mode +Set to 0 (HT pure) under the following conditions + - all STAs in the BSS are 20/40 MHz HT in 20/40 MHz BSS or + - all STAs in the BSS are 20 MHz HT in 20 MHz BSS +Set to 1 (HT non-member protection) if there may be non-HT STAs + in both the primary and the secondary channel +Set to 2 if only HT STAs are associated in BSS, + however and at least one 20 MHz HT STA is associated +Set to 3 (HT mixed mode) when one or more non-HT STAs are associated + (currently non-GF HT station is considered as non-HT STA also) +*/ +static int rtw_ht_operation_update(struct adapter *padapter) +{ + u16 cur_op_mode, new_op_mode; + int op_mode_changes = 0; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct ht_priv *phtpriv_ap = &pmlmepriv->htpriv; + + if (pmlmepriv->htpriv.ht_option) + return 0; + + DBG_88E("%s current operation mode = 0x%X\n", + __func__, pmlmepriv->ht_op_mode); + + if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) && + pmlmepriv->num_sta_ht_no_gf) { + pmlmepriv->ht_op_mode |= + HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT; + op_mode_changes++; + } else if ((pmlmepriv->ht_op_mode & + HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT) && + pmlmepriv->num_sta_ht_no_gf == 0) { + pmlmepriv->ht_op_mode &= + ~HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT; + op_mode_changes++; + } + + if (!(pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) && + (pmlmepriv->num_sta_no_ht || pmlmepriv->olbc_ht)) { + pmlmepriv->ht_op_mode |= HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT; + op_mode_changes++; + } else if ((pmlmepriv->ht_op_mode & + HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT) && + (pmlmepriv->num_sta_no_ht == 0 && !pmlmepriv->olbc_ht)) { + pmlmepriv->ht_op_mode &= + ~HT_INFO_OPERATION_MODE_NON_HT_STA_PRESENT; + op_mode_changes++; + } + + /* Note: currently we switch to the MIXED op mode if HT non-greenfield + * station is associated. Probably it's a theoretical case, since + * it looks like all known HT STAs support greenfield. + */ + new_op_mode = 0; + if (pmlmepriv->num_sta_no_ht || + (pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_NON_GF_DEVS_PRESENT)) + new_op_mode = OP_MODE_MIXED; + else if ((le16_to_cpu(phtpriv_ap->ht_cap.cap_info) & + IEEE80211_HT_CAP_SUP_WIDTH) && + pmlmepriv->num_sta_ht_20mhz) + new_op_mode = OP_MODE_20MHZ_HT_STA_ASSOCED; + else if (pmlmepriv->olbc_ht) + new_op_mode = OP_MODE_MAY_BE_LEGACY_STAS; + else + new_op_mode = OP_MODE_PURE; + + cur_op_mode = pmlmepriv->ht_op_mode & HT_INFO_OPERATION_MODE_OP_MODE_MASK; + if (cur_op_mode != new_op_mode) { + pmlmepriv->ht_op_mode &= ~HT_INFO_OPERATION_MODE_OP_MODE_MASK; + pmlmepriv->ht_op_mode |= new_op_mode; + op_mode_changes++; + } + + DBG_88E("%s new operation mode = 0x%X changes =%d\n", + __func__, pmlmepriv->ht_op_mode, op_mode_changes); + + return op_mode_changes; +} + +void associated_clients_update(struct adapter *padapter, u8 updated) +{ + /* update associated stations cap. */ + if (updated) { + struct list_head *phead, *plist; + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + + spin_lock_bh(&pstapriv->asoc_list_lock); + + phead = &pstapriv->asoc_list; + plist = phead->next; + + /* check asoc_queue */ + while (phead != plist) { + psta = container_of(plist, struct sta_info, asoc_list); + + plist = plist->next; + + VCS_update(padapter, psta); + } + spin_unlock_bh(&pstapriv->asoc_list_lock); + } +} + +/* called > TSR LEVEL for USB or SDIO Interface*/ +void bss_cap_update_on_sta_join(struct adapter *padapter, struct sta_info *psta) +{ + u8 beacon_updated = false; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + if (!(psta->flags & WLAN_STA_SHORT_PREAMBLE)) { + if (!psta->no_short_preamble_set) { + psta->no_short_preamble_set = 1; + + pmlmepriv->num_sta_no_short_preamble++; + + if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && + (pmlmepriv->num_sta_no_short_preamble == 1)) { + beacon_updated = true; + update_beacon(padapter, 0xFF, NULL, true); + } + } + } else { + if (psta->no_short_preamble_set) { + psta->no_short_preamble_set = 0; + + pmlmepriv->num_sta_no_short_preamble--; + + if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && + (pmlmepriv->num_sta_no_short_preamble == 0)) { + beacon_updated = true; + update_beacon(padapter, 0xFF, NULL, true); + } + } + } + + if (psta->flags & WLAN_STA_NONERP) { + if (!psta->nonerp_set) { + psta->nonerp_set = 1; + + pmlmepriv->num_sta_non_erp++; + + if (pmlmepriv->num_sta_non_erp == 1) { + beacon_updated = true; + update_beacon(padapter, _ERPINFO_IE_, NULL, true); + } + } + } else { + if (psta->nonerp_set) { + psta->nonerp_set = 0; + + pmlmepriv->num_sta_non_erp--; + + if (pmlmepriv->num_sta_non_erp == 0) { + beacon_updated = true; + update_beacon(padapter, _ERPINFO_IE_, NULL, true); + } + } + } + + if (!(psta->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)) { + if (!psta->no_short_slot_time_set) { + psta->no_short_slot_time_set = 1; + + pmlmepriv->num_sta_no_short_slot_time++; + + if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && + (pmlmepriv->num_sta_no_short_slot_time == 1)) { + beacon_updated = true; + update_beacon(padapter, 0xFF, NULL, true); + } + } + } else { + if (psta->no_short_slot_time_set) { + psta->no_short_slot_time_set = 0; + + pmlmepriv->num_sta_no_short_slot_time--; + + if ((pmlmeext->cur_wireless_mode > WIRELESS_11B) && + (pmlmepriv->num_sta_no_short_slot_time == 0)) { + beacon_updated = true; + update_beacon(padapter, 0xFF, NULL, true); + } + } + } + + if (psta->flags & WLAN_STA_HT) { + u16 ht_capab = le16_to_cpu(psta->htpriv.ht_cap.cap_info); + + DBG_88E("HT: STA %pM HT Capabilities Info: 0x%04x\n", + (psta->hwaddr), ht_capab); + + if (psta->no_ht_set) { + psta->no_ht_set = 0; + pmlmepriv->num_sta_no_ht--; + } + + if ((ht_capab & IEEE80211_HT_CAP_GRN_FLD) == 0) { + if (!psta->no_ht_gf_set) { + psta->no_ht_gf_set = 1; + pmlmepriv->num_sta_ht_no_gf++; + } + DBG_88E("%s STA %pM - no greenfield, num of non-gf stations %d\n", + __func__, (psta->hwaddr), + pmlmepriv->num_sta_ht_no_gf); + } + + if ((ht_capab & IEEE80211_HT_CAP_SUP_WIDTH) == 0) { + if (!psta->ht_20mhz_set) { + psta->ht_20mhz_set = 1; + pmlmepriv->num_sta_ht_20mhz++; + } + DBG_88E("%s STA %pM - 20 MHz HT, num of 20MHz HT STAs %d\n", + __func__, (psta->hwaddr), + pmlmepriv->num_sta_ht_20mhz); + } + } else { + if (!psta->no_ht_set) { + psta->no_ht_set = 1; + pmlmepriv->num_sta_no_ht++; + } + if (pmlmepriv->htpriv.ht_option) { + DBG_88E("%s STA %pM - no HT, num of non-HT stations %d\n", + __func__, (psta->hwaddr), + pmlmepriv->num_sta_no_ht); + } + } + + if (rtw_ht_operation_update(padapter) > 0) { + update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false); + update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true); + } + + /* update associated stations cap. */ + associated_clients_update(padapter, beacon_updated); + + DBG_88E("%s, updated =%d\n", __func__, beacon_updated); +} + +u8 bss_cap_update_on_sta_leave(struct adapter *padapter, struct sta_info *psta) +{ + u8 beacon_updated = false; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + if (!psta) + return beacon_updated; + + if (psta->no_short_preamble_set) { + psta->no_short_preamble_set = 0; + pmlmepriv->num_sta_no_short_preamble--; + if (pmlmeext->cur_wireless_mode > WIRELESS_11B && + pmlmepriv->num_sta_no_short_preamble == 0) { + beacon_updated = true; + update_beacon(padapter, 0xFF, NULL, true); + } + } + + if (psta->nonerp_set) { + psta->nonerp_set = 0; + pmlmepriv->num_sta_non_erp--; + if (pmlmepriv->num_sta_non_erp == 0) { + beacon_updated = true; + update_beacon(padapter, _ERPINFO_IE_, NULL, true); + } + } + + if (psta->no_short_slot_time_set) { + psta->no_short_slot_time_set = 0; + pmlmepriv->num_sta_no_short_slot_time--; + if (pmlmeext->cur_wireless_mode > WIRELESS_11B && + pmlmepriv->num_sta_no_short_slot_time == 0) { + beacon_updated = true; + update_beacon(padapter, 0xFF, NULL, true); + } + } + + if (psta->no_ht_gf_set) { + psta->no_ht_gf_set = 0; + pmlmepriv->num_sta_ht_no_gf--; + } + + if (psta->no_ht_set) { + psta->no_ht_set = 0; + pmlmepriv->num_sta_no_ht--; + } + + if (psta->ht_20mhz_set) { + psta->ht_20mhz_set = 0; + pmlmepriv->num_sta_ht_20mhz--; + } + + if (rtw_ht_operation_update(padapter) > 0) { + update_beacon(padapter, _HT_CAPABILITY_IE_, NULL, false); + update_beacon(padapter, _HT_ADD_INFO_IE_, NULL, true); + } + + /* update associated stations cap. */ + + DBG_88E("%s, updated =%d\n", __func__, beacon_updated); + + return beacon_updated; +} + +u8 ap_free_sta(struct adapter *padapter, struct sta_info *psta, + bool active, u16 reason) +{ + u8 beacon_updated = false; + struct sta_priv *pstapriv = &padapter->stapriv; + + if (!psta) + return beacon_updated; + + /* tear down Rx AMPDU */ + send_delba(padapter, 0, psta->hwaddr);/* recipient */ + + /* tear down TX AMPDU */ + send_delba(padapter, 1, psta->hwaddr);/* originator */ + psta->htpriv.agg_enable_bitmap = 0x0;/* reset */ + psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */ + + if (active) + issue_deauth(padapter, psta->hwaddr, reason); + + /* clear cam entry / key */ + rtw_clearstakey_cmd(padapter, (u8 *)psta, (u8)(psta->mac_id + 3), true); + + spin_lock_bh(&psta->lock); + psta->state &= ~_FW_LINKED; + spin_unlock_bh(&psta->lock); + + rtw_indicate_sta_disassoc_event(padapter, psta); + + report_del_sta_event(padapter, psta->hwaddr, reason); + + beacon_updated = bss_cap_update_on_sta_leave(padapter, psta); + + spin_lock_bh(&pstapriv->sta_hash_lock); + rtw_free_stainfo(padapter, psta); + spin_unlock_bh(&pstapriv->sta_hash_lock); + + return beacon_updated; +} + +int rtw_sta_flush(struct adapter *padapter) +{ + struct list_head *phead, *plist; + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; + u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + + DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev)); + + if ((pmlmeinfo->state & 0x03) != WIFI_FW_AP_STATE) + return 0; + + spin_lock_bh(&pstapriv->asoc_list_lock); + phead = &pstapriv->asoc_list; + plist = phead->next; + + /* free sta asoc_queue */ + while (phead != plist) { + psta = container_of(plist, struct sta_info, asoc_list); + + plist = plist->next; + + list_del_init(&psta->asoc_list); + pstapriv->asoc_list_cnt--; + + ap_free_sta(padapter, psta, true, WLAN_REASON_DEAUTH_LEAVING); + } + spin_unlock_bh(&pstapriv->asoc_list_lock); + + issue_deauth(padapter, bc_addr, WLAN_REASON_DEAUTH_LEAVING); + + associated_clients_update(padapter, true); + + return 0; +} + +/* called > TSR LEVEL for USB or SDIO Interface*/ +void sta_info_update(struct adapter *padapter, struct sta_info *psta) +{ + int flags = psta->flags; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + + /* update wmm cap. */ + if (WLAN_STA_WME & flags) + psta->qos_option = 1; + else + psta->qos_option = 0; + + if (pmlmepriv->qospriv.qos_option == 0) + psta->qos_option = 0; + + /* update 802.11n ht cap. */ + if (WLAN_STA_HT & flags) { + psta->htpriv.ht_option = true; + psta->qos_option = 1; + } else { + psta->htpriv.ht_option = false; + } + + if (!pmlmepriv->htpriv.ht_option) + psta->htpriv.ht_option = false; + + update_sta_info_apmode(padapter, psta); +} + +/* called >= TSR LEVEL for USB or SDIO Interface*/ +void ap_sta_info_defer_update(struct adapter *padapter, struct sta_info *psta) +{ + if (psta->state & _FW_LINKED) { + /* add ratid */ + add_RATid(padapter, psta, 0);/* DM_RATR_STA_INIT */ + } +} + +void start_ap_mode(struct adapter *padapter) +{ + int i; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + + pmlmepriv->update_bcn = false; + + pmlmeext->bstart_bss = false; + + pmlmepriv->num_sta_non_erp = 0; + + pmlmepriv->num_sta_no_short_slot_time = 0; + + pmlmepriv->num_sta_no_short_preamble = 0; + + pmlmepriv->num_sta_ht_no_gf = 0; + pmlmepriv->num_sta_no_ht = 0; + pmlmepriv->num_sta_ht_20mhz = 0; + + pmlmepriv->olbc = false; + + pmlmepriv->olbc_ht = false; + + pmlmepriv->ht_op_mode = 0; + + for (i = 0; i < NUM_STA; i++) + pstapriv->sta_aid[i] = NULL; + + pmlmepriv->wps_beacon_ie = NULL; + pmlmepriv->wps_probe_resp_ie = NULL; + pmlmepriv->wps_assoc_resp_ie = NULL; + + /* for ACL */ + INIT_LIST_HEAD(&pacl_list->acl_node_q.queue); + pacl_list->num = 0; + pacl_list->mode = 0; + for (i = 0; i < NUM_ACL; i++) { + INIT_LIST_HEAD(&pacl_list->aclnode[i].list); + pacl_list->aclnode[i].valid = false; + } +} + +void stop_ap_mode(struct adapter *padapter) +{ + struct list_head *phead, *plist; + struct rtw_wlan_acl_node *paclnode; + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct wlan_acl_pool *pacl_list = &pstapriv->acl_list; + struct __queue *pacl_node_q = &pacl_list->acl_node_q; + + pmlmepriv->update_bcn = false; + pmlmeext->bstart_bss = false; + + /* reset and init security priv , this can refine with + * rtw_reset_securitypriv + */ + memset((unsigned char *)&padapter->securitypriv, 0, sizeof(struct security_priv)); + padapter->securitypriv.ndisauthtype = Ndis802_11AuthModeOpen; + padapter->securitypriv.ndisencryptstatus = Ndis802_11WEPDisabled; + + /* for ACL */ + spin_lock_bh(&pacl_node_q->lock); + phead = get_list_head(pacl_node_q); + plist = phead->next; + while (phead != plist) { + paclnode = container_of(plist, struct rtw_wlan_acl_node, list); + plist = plist->next; + + if (paclnode->valid) { + paclnode->valid = false; + + list_del_init(&paclnode->list); + + pacl_list->num--; + } + } + spin_unlock_bh(&pacl_node_q->lock); + + DBG_88E("%s, free acl_node_queue, num =%d\n", __func__, pacl_list->num); + + rtw_sta_flush(padapter); + + /* free_assoc_sta_resources */ + rtw_free_all_stainfo(padapter); + + psta = rtw_get_bcmc_stainfo(padapter); + spin_lock_bh(&pstapriv->sta_hash_lock); + rtw_free_stainfo(padapter, psta); + spin_unlock_bh(&pstapriv->sta_hash_lock); + + rtw_init_bcmc_stainfo(padapter); + + rtw_free_mlme_priv_ie_data(pmlmepriv); +} + +#endif /* CPTCFG_88EU_AP_MODE */ |