diff options
Diffstat (limited to 'drivers/staging/rtl8188eu/core/rtw_mlme_ext.c')
| -rw-r--r-- | drivers/staging/rtl8188eu/core/rtw_mlme_ext.c | 3379 |
1 files changed, 1698 insertions, 1681 deletions
diff --git a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c index be9e34a0daef..a0b8f665fa2f 100644 --- a/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c +++ b/drivers/staging/rtl8188eu/core/rtw_mlme_ext.c @@ -19,6 +19,8 @@ ******************************************************************************/ #define _RTW_MLME_EXT_C_ +#include <linux/ieee80211.h> + #include <osdep_service.h> #include <drv_types.h> #include <wifi.h> @@ -27,42 +29,6 @@ #include <mlme_osdep.h> #include <recv_osdep.h> -static struct mlme_handler mlme_sta_tbl[] = { - {WIFI_ASSOCREQ, "OnAssocReq", &OnAssocReq}, - {WIFI_ASSOCRSP, "OnAssocRsp", &OnAssocRsp}, - {WIFI_REASSOCREQ, "OnReAssocReq", &OnAssocReq}, - {WIFI_REASSOCRSP, "OnReAssocRsp", &OnAssocRsp}, - {WIFI_PROBEREQ, "OnProbeReq", &OnProbeReq}, - {WIFI_PROBERSP, "OnProbeRsp", &OnProbeRsp}, - - /*---------------------------------------------------------- - below 2 are reserved - -----------------------------------------------------------*/ - {0, "DoReserved", &DoReserved}, - {0, "DoReserved", &DoReserved}, - {WIFI_BEACON, "OnBeacon", &OnBeacon}, - {WIFI_ATIM, "OnATIM", &OnAtim}, - {WIFI_DISASSOC, "OnDisassoc", &OnDisassoc}, - {WIFI_AUTH, "OnAuth", &OnAuthClient}, - {WIFI_DEAUTH, "OnDeAuth", &OnDeAuth}, - {WIFI_ACTION, "OnAction", &OnAction}, -}; - -static struct action_handler OnAction_tbl[] = { - {RTW_WLAN_CATEGORY_SPECTRUM_MGMT, "ACTION_SPECTRUM_MGMT", on_action_spct}, - {RTW_WLAN_CATEGORY_QOS, "ACTION_QOS", &OnAction_qos}, - {RTW_WLAN_CATEGORY_DLS, "ACTION_DLS", &OnAction_dls}, - {RTW_WLAN_CATEGORY_BACK, "ACTION_BACK", &OnAction_back}, - {RTW_WLAN_CATEGORY_PUBLIC, "ACTION_PUBLIC", on_action_public}, - {RTW_WLAN_CATEGORY_RADIO_MEASUREMENT, "ACTION_RADIO_MEASUREMENT", &DoReserved}, - {RTW_WLAN_CATEGORY_FT, "ACTION_FT", &DoReserved}, - {RTW_WLAN_CATEGORY_HT, "ACTION_HT", &OnAction_ht}, - {RTW_WLAN_CATEGORY_SA_QUERY, "ACTION_SA_QUERY", &DoReserved}, - {RTW_WLAN_CATEGORY_WMM, "ACTION_WMM", &OnAction_wmm}, - {RTW_WLAN_CATEGORY_P2P, "ACTION_P2P", &OnAction_p2p}, -}; - - static u8 null_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0}; /************************************************** @@ -193,1628 +159,6 @@ int rtw_ch_set_search_ch(struct rt_channel_info *ch_set, const u32 ch) return i; } -/**************************************************************************** - -Following are the initialization functions for WiFi MLME - -*****************************************************************************/ - -int init_hw_mlme_ext(struct adapter *padapter) -{ - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - - set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); - return _SUCCESS; -} - -static void init_mlme_ext_priv_value(struct adapter *padapter) -{ - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - unsigned char mixed_datarate[NumRates] = { - _1M_RATE_, _2M_RATE_, _5M_RATE_, _11M_RATE_, _6M_RATE_, - _9M_RATE_, _12M_RATE_, _18M_RATE_, _24M_RATE_, _36M_RATE_, - _48M_RATE_, _54M_RATE_, 0xff - }; - unsigned char mixed_basicrate[NumRates] = { - _1M_RATE_, _2M_RATE_, _5M_RATE_, _11M_RATE_, _6M_RATE_, - _12M_RATE_, _24M_RATE_, 0xff, - }; - - atomic_set(&pmlmeext->event_seq, 0); - pmlmeext->mgnt_seq = 0;/* reset to zero when disconnect at client mode */ - - pmlmeext->cur_channel = padapter->registrypriv.channel; - pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20; - pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; - pmlmeext->oper_channel = pmlmeext->cur_channel; - pmlmeext->oper_bwmode = pmlmeext->cur_bwmode; - pmlmeext->oper_ch_offset = pmlmeext->cur_ch_offset; - pmlmeext->retry = 0; - - pmlmeext->cur_wireless_mode = padapter->registrypriv.wireless_mode; - - memcpy(pmlmeext->datarate, mixed_datarate, NumRates); - memcpy(pmlmeext->basicrate, mixed_basicrate, NumRates); - - pmlmeext->tx_rate = IEEE80211_CCK_RATE_1MB; - - pmlmeext->sitesurvey_res.state = SCAN_DISABLE; - pmlmeext->sitesurvey_res.channel_idx = 0; - pmlmeext->sitesurvey_res.bss_cnt = 0; - pmlmeext->scan_abort = false; - - pmlmeinfo->state = WIFI_FW_NULL_STATE; - pmlmeinfo->reauth_count = 0; - pmlmeinfo->reassoc_count = 0; - pmlmeinfo->link_count = 0; - pmlmeinfo->auth_seq = 0; - pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open; - pmlmeinfo->key_index = 0; - pmlmeinfo->iv = 0; - - pmlmeinfo->enc_algo = _NO_PRIVACY_; - pmlmeinfo->authModeToggle = 0; - - memset(pmlmeinfo->chg_txt, 0, 128); - - pmlmeinfo->slotTime = SHORT_SLOT_TIME; - pmlmeinfo->preamble_mode = PREAMBLE_AUTO; - - pmlmeinfo->dialogToken = 0; - - pmlmeext->action_public_rxseq = 0xffff; - pmlmeext->action_public_dialog_token = 0xff; -} - -static int has_channel(struct rt_channel_info *channel_set, - u8 chanset_size, - u8 chan) { - int i; - - for (i = 0; i < chanset_size; i++) { - if (channel_set[i].ChannelNum == chan) - return 1; - } - return 0; -} - -static void init_channel_list(struct adapter *padapter, struct rt_channel_info *channel_set, - u8 chanset_size, - struct p2p_channels *channel_list) { - struct p2p_oper_class_map op_class[] = { - { IEEE80211G, 81, 1, 13, 1, BW20 }, - { IEEE80211G, 82, 14, 14, 1, BW20 }, - { -1, 0, 0, 0, 0, BW20 } - }; - - int cla, op; - - cla = 0; - - for (op = 0; op_class[op].op_class; op++) { - u8 ch; - struct p2p_oper_class_map *o = &op_class[op]; - struct p2p_reg_class *reg = NULL; - - for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { - if (!has_channel(channel_set, chanset_size, ch)) { - continue; - } - - if ((0 == padapter->registrypriv.ht_enable) && (8 == o->inc)) - continue; - - if ((0 == (padapter->registrypriv.cbw40_enable & BIT(1))) && - ((BW40MINUS == o->bw) || (BW40PLUS == o->bw))) - continue; - - if (reg == NULL) { - reg = &channel_list->reg_class[cla]; - cla++; - reg->reg_class = o->op_class; - reg->channels = 0; - } - reg->channel[reg->channels] = ch; - reg->channels++; - } - } - channel_list->reg_classes = cla; -} - -static u8 init_channel_set(struct adapter *padapter, u8 ChannelPlan, struct rt_channel_info *channel_set) -{ - u8 index, chanset_size = 0; - u8 b2_4GBand = false; - u8 Index2G = 0; - - memset(channel_set, 0, sizeof(struct rt_channel_info) * MAX_CHANNEL_NUM); - - if (ChannelPlan >= RT_CHANNEL_DOMAIN_MAX && ChannelPlan != RT_CHANNEL_DOMAIN_REALTEK_DEFINE) { - DBG_88E("ChannelPlan ID %x error !!!!!\n", ChannelPlan); - return chanset_size; - } - - if (padapter->registrypriv.wireless_mode & WIRELESS_11G) { - b2_4GBand = true; - if (RT_CHANNEL_DOMAIN_REALTEK_DEFINE == ChannelPlan) - Index2G = RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE.Index2G; - else - Index2G = RTW_ChannelPlanMap[ChannelPlan].Index2G; - } - - if (b2_4GBand) { - for (index = 0; index < RTW_ChannelPlan2G[Index2G].Len; index++) { - channel_set[chanset_size].ChannelNum = RTW_ChannelPlan2G[Index2G].Channel[index]; - - if ((RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN == ChannelPlan) ||/* Channel 1~11 is active, and 12~14 is passive */ - (RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN_2G == ChannelPlan)) { - if (channel_set[chanset_size].ChannelNum >= 1 && channel_set[chanset_size].ChannelNum <= 11) - channel_set[chanset_size].ScanType = SCAN_ACTIVE; - else if ((channel_set[chanset_size].ChannelNum >= 12 && channel_set[chanset_size].ChannelNum <= 14)) - channel_set[chanset_size].ScanType = SCAN_PASSIVE; - } else if (RT_CHANNEL_DOMAIN_WORLD_WIDE_13 == ChannelPlan || - RT_CHANNEL_DOMAIN_2G_WORLD == Index2G) {/* channel 12~13, passive scan */ - if (channel_set[chanset_size].ChannelNum <= 11) - channel_set[chanset_size].ScanType = SCAN_ACTIVE; - else - channel_set[chanset_size].ScanType = SCAN_PASSIVE; - } else { - channel_set[chanset_size].ScanType = SCAN_ACTIVE; - } - - chanset_size++; - } - } - return chanset_size; -} - -int init_mlme_ext_priv(struct adapter *padapter) -{ - struct registry_priv *pregistrypriv = &padapter->registrypriv; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - - pmlmeext->padapter = padapter; - - init_mlme_ext_priv_value(padapter); - pmlmeinfo->bAcceptAddbaReq = pregistrypriv->bAcceptAddbaReq; - - init_mlme_ext_timer(padapter); - -#ifdef CONFIG_88EU_AP_MODE - init_mlme_ap_info(padapter); -#endif - - pmlmeext->max_chan_nums = init_channel_set(padapter, pmlmepriv->ChannelPlan, pmlmeext->channel_set); - init_channel_list(padapter, pmlmeext->channel_set, pmlmeext->max_chan_nums, &pmlmeext->channel_list); - - pmlmeext->chan_scan_time = SURVEY_TO; - pmlmeext->mlmeext_init = true; - - - pmlmeext->active_keep_alive_check = true; - - return _SUCCESS; -} - -void free_mlme_ext_priv(struct mlme_ext_priv *pmlmeext) -{ - struct adapter *padapter = pmlmeext->padapter; - - if (!padapter) - return; - - if (padapter->bDriverStopped) { - del_timer_sync(&pmlmeext->survey_timer); - del_timer_sync(&pmlmeext->link_timer); - } -} - -static void _mgt_dispatcher(struct adapter *padapter, struct mlme_handler *ptable, struct recv_frame *precv_frame) -{ - u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - u8 *pframe = precv_frame->rx_data; - - if (ptable->func) { - /* receive the frames that ra(a1) is my address or ra(a1) is bc address. */ - if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) && - memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN)) - return; - ptable->func(padapter, precv_frame); - } -} - -void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame) -{ - int index; - struct mlme_handler *ptable; -#ifdef CONFIG_88EU_AP_MODE - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; -#endif /* CONFIG_88EU_AP_MODE */ - u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - u8 *pframe = precv_frame->rx_data; - struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, GetAddr2Ptr(pframe)); - - RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, - ("+mgt_dispatcher: type(0x%x) subtype(0x%x)\n", - GetFrameType(pframe), GetFrameSubType(pframe))); - - if (GetFrameType(pframe) != WIFI_MGT_TYPE) { - RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("mgt_dispatcher: type(0x%x) error!\n", GetFrameType(pframe))); - return; - } - - /* receive the frames that ra(a1) is my address or ra(a1) is bc address. */ - if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) && - memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN)) - return; - - ptable = mlme_sta_tbl; - - index = GetFrameSubType(pframe) >> 4; - - if (index > 13) { - RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Currently we do not support reserved sub-fr-type=%d\n", index)); - return; - } - ptable += index; - - if (psta != NULL) { - if (GetRetry(pframe)) { - if (precv_frame->attrib.seq_num == - psta->RxMgmtFrameSeqNum) { - /* drop the duplicate management frame */ - DBG_88E("Drop duplicate management frame with seq_num=%d.\n", - precv_frame->attrib.seq_num); - return; - } - } - psta->RxMgmtFrameSeqNum = precv_frame->attrib.seq_num; - } - -#ifdef CONFIG_88EU_AP_MODE - switch (GetFrameSubType(pframe)) { - case WIFI_AUTH: - if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) - ptable->func = &OnAuth; - else - ptable->func = &OnAuthClient; - /* fall through */ - case WIFI_ASSOCREQ: - case WIFI_REASSOCREQ: - case WIFI_PROBEREQ: - case WIFI_BEACON: - case WIFI_ACTION: - _mgt_dispatcher(padapter, ptable, precv_frame); - break; - default: - _mgt_dispatcher(padapter, ptable, precv_frame); - break; - } -#else - _mgt_dispatcher(padapter, ptable, precv_frame); -#endif -} - -/**************************************************************************** - -Following are the callback functions for each subtype of the management frames - -*****************************************************************************/ - -unsigned int OnProbeReq(struct adapter *padapter, struct recv_frame *precv_frame) -{ - unsigned int ielen; - unsigned char *p; - 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 *cur = &(pmlmeinfo->network); - u8 *pframe = precv_frame->rx_data; - uint len = precv_frame->len; - u8 is_valid_p2p_probereq = false; - - if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) - return _SUCCESS; - - if (!check_fwstate(pmlmepriv, _FW_LINKED) && - !check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) - return _SUCCESS; - - p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _SSID_IE_, (int *)&ielen, - len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_); - - /* check (wildcard) SSID */ - if (p != NULL) { - if (is_valid_p2p_probereq) - goto _issue_probersp; - - if ((ielen != 0 && memcmp((void *)(p+2), (void *)cur->Ssid.Ssid, cur->Ssid.SsidLength)) || - (ielen == 0 && pmlmeinfo->hidden_ssid_mode)) - return _SUCCESS; - -_issue_probersp: - - if (check_fwstate(pmlmepriv, _FW_LINKED) && - pmlmepriv->cur_network.join_res) - issue_probersp(padapter, get_sa(pframe), is_valid_p2p_probereq); - } - return _SUCCESS; -} - -unsigned int OnProbeRsp(struct adapter *padapter, struct recv_frame *precv_frame) -{ - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - - if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) { - report_survey_event(padapter, precv_frame); - return _SUCCESS; - } - - return _SUCCESS; -} - -unsigned int OnBeacon(struct adapter *padapter, struct recv_frame *precv_frame) -{ - int cam_idx; - struct sta_info *psta; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - struct sta_priv *pstapriv = &padapter->stapriv; - u8 *pframe = precv_frame->rx_data; - uint len = precv_frame->len; - struct wlan_bssid_ex *pbss; - int ret = _SUCCESS; - struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); - - if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) { - report_survey_event(padapter, precv_frame); - return _SUCCESS; - } - - if (!memcmp(GetAddr3Ptr(pframe), pnetwork->MacAddress, ETH_ALEN)) { - if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) { - /* we should update current network before auth, or some IE is wrong */ - pbss = (struct wlan_bssid_ex *)rtw_malloc(sizeof(struct wlan_bssid_ex)); - if (pbss) { - if (collect_bss_info(padapter, precv_frame, pbss) == _SUCCESS) { - update_network(&(pmlmepriv->cur_network.network), pbss, padapter, true); - rtw_get_bcn_info(&(pmlmepriv->cur_network)); - } - kfree(pbss); - } - - /* check the vendor of the assoc AP */ - pmlmeinfo->assoc_AP_vendor = check_assoc_AP(pframe+sizeof(struct rtw_ieee80211_hdr_3addr), len-sizeof(struct rtw_ieee80211_hdr_3addr)); - - /* update TSF Value */ - update_TSF(pmlmeext, pframe, len); - - /* start auth */ - start_clnt_auth(padapter); - - return _SUCCESS; - } - - if (((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) && (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) { - psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); - if (psta != NULL) { - ret = rtw_check_bcn_info(padapter, pframe, len); - if (!ret) { - DBG_88E_LEVEL(_drv_info_, "ap has changed, disconnect now\n "); - receive_disconnect(padapter, pmlmeinfo->network.MacAddress , 65535); - return _SUCCESS; - } - /* update WMM, ERP in the beacon */ - /* todo: the timer is used instead of the number of the beacon received */ - if ((sta_rx_pkts(psta) & 0xf) == 0) - update_beacon_info(padapter, pframe, len, psta); - } - } else if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) { - psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); - if (psta != NULL) { - /* update WMM, ERP in the beacon */ - /* todo: the timer is used instead of the number of the beacon received */ - if ((sta_rx_pkts(psta) & 0xf) == 0) - update_beacon_info(padapter, pframe, len, psta); - } else { - /* allocate a new CAM entry for IBSS station */ - cam_idx = allocate_fw_sta_entry(padapter); - if (cam_idx == NUM_STA) - goto _END_ONBEACON_; - - /* get supported rate */ - if (update_sta_support_rate(padapter, (pframe + WLAN_HDR_A3_LEN + _BEACON_IE_OFFSET_), (len - WLAN_HDR_A3_LEN - _BEACON_IE_OFFSET_), cam_idx) == _FAIL) { - pmlmeinfo->FW_sta_info[cam_idx].status = 0; - goto _END_ONBEACON_; - } - - /* update TSF Value */ - update_TSF(pmlmeext, pframe, len); - - /* report sta add event */ - report_add_sta_event(padapter, GetAddr2Ptr(pframe), cam_idx); - } - } - } - -_END_ONBEACON_: - - return _SUCCESS; -} - -unsigned int OnAuth(struct adapter *padapter, struct recv_frame *precv_frame) -{ -#ifdef CONFIG_88EU_AP_MODE - unsigned int auth_mode, ie_len; - u16 seq; - unsigned char *sa, *p; - u16 algorithm; - int status; - static struct sta_info stat; - struct sta_info *pstat = NULL; - struct sta_priv *pstapriv = &padapter->stapriv; - struct security_priv *psecuritypriv = &padapter->securitypriv; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - u8 *pframe = precv_frame->rx_data; - uint len = precv_frame->len; - - if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE) - return _FAIL; - - DBG_88E("+OnAuth\n"); - - sa = GetAddr2Ptr(pframe); - - auth_mode = psecuritypriv->dot11AuthAlgrthm; - seq = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + 2)); - algorithm = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN)); - - DBG_88E("auth alg=%x, seq=%X\n", algorithm, seq); - - if (auth_mode == 2 && psecuritypriv->dot11PrivacyAlgrthm != _WEP40_ && - psecuritypriv->dot11PrivacyAlgrthm != _WEP104_) - auth_mode = 0; - - if ((algorithm > 0 && auth_mode == 0) || /* rx a shared-key auth but shared not enabled */ - (algorithm == 0 && auth_mode == 1)) { /* rx a open-system auth but shared-key is enabled */ - DBG_88E("auth rejected due to bad alg [alg=%d, auth_mib=%d] %02X%02X%02X%02X%02X%02X\n", - algorithm, auth_mode, sa[0], sa[1], sa[2], sa[3], sa[4], sa[5]); - - status = _STATS_NO_SUPP_ALG_; - - goto auth_fail; - } - - if (!rtw_access_ctrl(padapter, sa)) { - status = _STATS_UNABLE_HANDLE_STA_; - goto auth_fail; - } - - pstat = rtw_get_stainfo(pstapriv, sa); - if (pstat == NULL) { - /* allocate a new one */ - DBG_88E("going to alloc stainfo for sa=%pM\n", sa); - pstat = rtw_alloc_stainfo(pstapriv, sa); - if (pstat == NULL) { - DBG_88E(" Exceed the upper limit of supported clients...\n"); - status = _STATS_UNABLE_HANDLE_STA_; - goto auth_fail; - } - - pstat->state = WIFI_FW_AUTH_NULL; - pstat->auth_seq = 0; - } else { - spin_lock_bh(&pstapriv->asoc_list_lock); - if (!list_empty(&pstat->asoc_list)) { - list_del_init(&pstat->asoc_list); - pstapriv->asoc_list_cnt--; - } - spin_unlock_bh(&pstapriv->asoc_list_lock); - - if (seq == 1) { - /* TODO: STA re_auth and auth timeout */ - } - } - - spin_lock_bh(&pstapriv->auth_list_lock); - if (list_empty(&pstat->auth_list)) { - list_add_tail(&pstat->auth_list, &pstapriv->auth_list); - pstapriv->auth_list_cnt++; - } - spin_unlock_bh(&pstapriv->auth_list_lock); - - if (pstat->auth_seq == 0) - pstat->expire_to = pstapriv->auth_to; - - if ((pstat->auth_seq + 1) != seq) { - DBG_88E("(1)auth rejected because out of seq [rx_seq=%d, exp_seq=%d]!\n", - seq, pstat->auth_seq+1); - status = _STATS_OUT_OF_AUTH_SEQ_; - goto auth_fail; - } - - if (algorithm == 0 && (auth_mode == 0 || auth_mode == 2)) { - if (seq == 1) { - pstat->state &= ~WIFI_FW_AUTH_NULL; - pstat->state |= WIFI_FW_AUTH_SUCCESS; - pstat->expire_to = pstapriv->assoc_to; - pstat->authalg = algorithm; - } else { - DBG_88E("(2)auth rejected because out of seq [rx_seq=%d, exp_seq=%d]!\n", - seq, pstat->auth_seq+1); - status = _STATS_OUT_OF_AUTH_SEQ_; - goto auth_fail; - } - } else { /* shared system or auto authentication */ - if (seq == 1) { - /* prepare for the challenging txt... */ - - pstat->state &= ~WIFI_FW_AUTH_NULL; - pstat->state |= WIFI_FW_AUTH_STATE; - pstat->authalg = algorithm; - pstat->auth_seq = 2; - } else if (seq == 3) { - /* checking for challenging txt... */ - DBG_88E("checking for challenging txt...\n"); - - p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + 4 + _AUTH_IE_OFFSET_ , _CHLGETXT_IE_, (int *)&ie_len, - len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_ - 4); - - if ((p == NULL) || (ie_len <= 0)) { - DBG_88E("auth rejected because challenge failure!(1)\n"); - status = _STATS_CHALLENGE_FAIL_; - goto auth_fail; - } - - if (!memcmp((void *)(p + 2), pstat->chg_txt, 128)) { - pstat->state &= (~WIFI_FW_AUTH_STATE); - pstat->state |= WIFI_FW_AUTH_SUCCESS; - /* challenging txt is correct... */ - pstat->expire_to = pstapriv->assoc_to; - } else { - DBG_88E("auth rejected because challenge failure!\n"); - status = _STATS_CHALLENGE_FAIL_; - goto auth_fail; - } - } else { - DBG_88E("(3)auth rejected because out of seq [rx_seq=%d, exp_seq=%d]!\n", - seq, pstat->auth_seq+1); - status = _STATS_OUT_OF_AUTH_SEQ_; - goto auth_fail; - } - } - - /* Now, we are going to issue_auth... */ - pstat->auth_seq = seq + 1; - -#ifdef CONFIG_88EU_AP_MODE - issue_auth(padapter, pstat, (unsigned short)(_STATS_SUCCESSFUL_)); -#endif - - if (pstat->state & WIFI_FW_AUTH_SUCCESS) - pstat->auth_seq = 0; - - return _SUCCESS; - -auth_fail: - - if (pstat) - rtw_free_stainfo(padapter , pstat); - - pstat = &stat; - memset((char *)pstat, '\0', sizeof(stat)); - pstat->auth_seq = 2; - memcpy(pstat->hwaddr, sa, 6); - -#ifdef CONFIG_88EU_AP_MODE - issue_auth(padapter, pstat, (unsigned short)status); -#endif - -#endif - return _FAIL; -} - -unsigned int OnAuthClient(struct adapter *padapter, struct recv_frame *precv_frame) -{ - unsigned int seq, len, status, offset; - unsigned char *p; - unsigned int go2asoc = 0; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - u8 *pframe = precv_frame->rx_data; - uint pkt_len = precv_frame->len; - - DBG_88E("%s\n", __func__); - - /* check A1 matches or not */ - if (memcmp(myid(&(padapter->eeprompriv)), get_da(pframe), ETH_ALEN)) - return _SUCCESS; - - if (!(pmlmeinfo->state & WIFI_FW_AUTH_STATE)) - return _SUCCESS; - - offset = (GetPrivacy(pframe)) ? 4 : 0; - - seq = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + offset + 2)); - status = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + offset + 4)); - - if (status != 0) { - DBG_88E("clnt auth fail, status: %d\n", status); - if (status == 13) { /* pmlmeinfo->auth_algo == dot11AuthAlgrthm_Auto) */ - if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) - pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open; - else - pmlmeinfo->auth_algo = dot11AuthAlgrthm_Shared; - } - - set_link_timer(pmlmeext, 1); - goto authclnt_fail; - } - - if (seq == 2) { - if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) { - /* legendary shared system */ - p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, (int *)&len, - pkt_len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_); - - if (p == NULL) - goto authclnt_fail; - - memcpy((void *)(pmlmeinfo->chg_txt), (void *)(p + 2), len); - pmlmeinfo->auth_seq = 3; - issue_auth(padapter, NULL, 0); - set_link_timer(pmlmeext, REAUTH_TO); - - return _SUCCESS; - } else { - /* open system */ - go2asoc = 1; - } - } else if (seq == 4) { - if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) - go2asoc = 1; - else - goto authclnt_fail; - } else { - /* this is also illegal */ - goto authclnt_fail; - } - - if (go2asoc) { - DBG_88E_LEVEL(_drv_info_, "auth success, start assoc\n"); - start_clnt_assoc(padapter); - return _SUCCESS; - } -authclnt_fail: - return _FAIL; -} - -unsigned int OnAssocReq(struct adapter *padapter, struct recv_frame *precv_frame) -{ -#ifdef CONFIG_88EU_AP_MODE - u16 capab_info; - struct rtw_ieee802_11_elems elems; - struct sta_info *pstat; - unsigned char reassoc, *p, *pos, *wpa_ie; - unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01}; - int i, ie_len, wpa_ie_len, left; - unsigned char supportRate[16]; - int supportRateNum; - unsigned short status = _STATS_SUCCESSFUL_; - unsigned short frame_type, ie_offset = 0; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - struct security_priv *psecuritypriv = &padapter->securitypriv; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - struct wlan_bssid_ex *cur = &(pmlmeinfo->network); - struct sta_priv *pstapriv = &padapter->stapriv; - u8 *pframe = precv_frame->rx_data; - uint pkt_len = precv_frame->len; - - if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE) - return _FAIL; - - frame_type = GetFrameSubType(pframe); - if (frame_type == WIFI_ASSOCREQ) { - reassoc = 0; - ie_offset = _ASOCREQ_IE_OFFSET_; - } else { /* WIFI_REASSOCREQ */ - reassoc = 1; - ie_offset = _REASOCREQ_IE_OFFSET_; - } - - - if (pkt_len < IEEE80211_3ADDR_LEN + ie_offset) { - DBG_88E("handle_assoc(reassoc=%d) - too short payload (len=%lu)" - "\n", reassoc, (unsigned long)pkt_len); - return _FAIL; - } - - pstat = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); - if (pstat == NULL) { - status = _RSON_CLS2_; - goto asoc_class2_error; - } - - capab_info = get_unaligned_le16(pframe + WLAN_HDR_A3_LEN); - - left = pkt_len - (IEEE80211_3ADDR_LEN + ie_offset); - pos = pframe + (IEEE80211_3ADDR_LEN + ie_offset); - - - DBG_88E("%s\n", __func__); - - /* check if this stat has been successfully authenticated/assocated */ - if (!((pstat->state) & WIFI_FW_AUTH_SUCCESS)) { - if (!((pstat->state) & WIFI_FW_ASSOC_SUCCESS)) { - status = _RSON_CLS2_; - goto asoc_class2_error; - } else { - pstat->state &= (~WIFI_FW_ASSOC_SUCCESS); - pstat->state |= WIFI_FW_ASSOC_STATE; - } - } else { - pstat->state &= (~WIFI_FW_AUTH_SUCCESS); - pstat->state |= WIFI_FW_ASSOC_STATE; - } - pstat->capability = capab_info; - /* now parse all ieee802_11 ie to point to elems */ - if (rtw_ieee802_11_parse_elems(pos, left, &elems, 1) == ParseFailed || - !elems.ssid) { - DBG_88E("STA %pM sent invalid association request\n", - pstat->hwaddr); - status = _STATS_FAILURE_; - goto OnAssocReqFail; - } - - - /* now we should check all the fields... */ - /* checking SSID */ - p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SSID_IE_, &ie_len, - pkt_len - WLAN_HDR_A3_LEN - ie_offset); - if (p == NULL) - status = _STATS_FAILURE_; - - if (ie_len == 0) { /* broadcast ssid, however it is not allowed in assocreq */ - status = _STATS_FAILURE_; - } else { - /* check if ssid match */ - if (memcmp((void *)(p+2), cur->Ssid.Ssid, cur->Ssid.SsidLength)) - status = _STATS_FAILURE_; - - if (ie_len != cur->Ssid.SsidLength) - status = _STATS_FAILURE_; - } - - if (_STATS_SUCCESSFUL_ != status) - goto OnAssocReqFail; - - /* check if the supported rate is ok */ - p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SUPPORTEDRATES_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset); - if (p == NULL) { - DBG_88E("Rx a sta assoc-req which supported rate is empty!\n"); - /* use our own rate set as statoin used */ - /* memcpy(supportRate, AP_BSSRATE, AP_BSSRATE_LEN); */ - /* supportRateNum = AP_BSSRATE_LEN; */ - - status = _STATS_FAILURE_; - goto OnAssocReqFail; - } else { - memcpy(supportRate, p+2, ie_len); - supportRateNum = ie_len; - - p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _EXT_SUPPORTEDRATES_IE_ , &ie_len, - pkt_len - WLAN_HDR_A3_LEN - ie_offset); - if (p != NULL) { - if (supportRateNum <= sizeof(supportRate)) { - memcpy(supportRate+supportRateNum, p+2, ie_len); - supportRateNum += ie_len; - } - } - } - - /* todo: mask supportRate between AP & STA -> move to update raid */ - /* get_matched_rate(pmlmeext, supportRate, &supportRateNum, 0); */ - - /* update station supportRate */ - pstat->bssratelen = supportRateNum; - memcpy(pstat->bssrateset, supportRate, supportRateNum); - UpdateBrateTblForSoftAP(pstat->bssrateset, pstat->bssratelen); - - /* check RSN/WPA/WPS */ - pstat->dot8021xalg = 0; - pstat->wpa_psk = 0; - pstat->wpa_group_cipher = 0; - pstat->wpa2_group_cipher = 0; - pstat->wpa_pairwise_cipher = 0; - pstat->wpa2_pairwise_cipher = 0; - memset(pstat->wpa_ie, 0, sizeof(pstat->wpa_ie)); - if ((psecuritypriv->wpa_psk & BIT(1)) && elems.rsn_ie) { - int group_cipher = 0, pairwise_cipher = 0; - - wpa_ie = elems.rsn_ie; - wpa_ie_len = elems.rsn_ie_len; - - if (rtw_parse_wpa2_ie(wpa_ie-2, wpa_ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) { - pstat->dot8021xalg = 1;/* psk, todo:802.1x */ - pstat->wpa_psk |= BIT(1); - - pstat->wpa2_group_cipher = group_cipher&psecuritypriv->wpa2_group_cipher; - pstat->wpa2_pairwise_cipher = pairwise_cipher&psecuritypriv->wpa2_pairwise_cipher; - - if (!pstat->wpa2_group_cipher) - status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; - - if (!pstat->wpa2_pairwise_cipher) - status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID; - } else { - status = WLAN_STATUS_INVALID_IE; - } - } else if ((psecuritypriv->wpa_psk & BIT(0)) && elems.wpa_ie) { - int group_cipher = 0, pairwise_cipher = 0; - - wpa_ie = elems.wpa_ie; - wpa_ie_len = elems.wpa_ie_len; - - if (rtw_parse_wpa_ie(wpa_ie-2, wpa_ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) { - pstat->dot8021xalg = 1;/* psk, todo:802.1x */ - pstat->wpa_psk |= BIT(0); - - pstat->wpa_group_cipher = group_cipher&psecuritypriv->wpa_group_cipher; - pstat->wpa_pairwise_cipher = pairwise_cipher&psecuritypriv->wpa_pairwise_cipher; - - if (!pstat->wpa_group_cipher) - status = WLAN_STATUS_GROUP_CIPHER_NOT_VALID; - - if (!pstat->wpa_pairwise_cipher) - status = WLAN_STATUS_PAIRWISE_CIPHER_NOT_VALID; - } else { - status = WLAN_STATUS_INVALID_IE; - } - } else { - wpa_ie = NULL; - wpa_ie_len = 0; - } - - if (_STATS_SUCCESSFUL_ != status) - goto OnAssocReqFail; - - pstat->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS); - if (wpa_ie == NULL) { - if (elems.wps_ie) { - DBG_88E("STA included WPS IE in " - "(Re)Association Request - assume WPS is " - "used\n"); - pstat->flags |= WLAN_STA_WPS; - /* wpabuf_free(sta->wps_ie); */ - /* sta->wps_ie = wpabuf_alloc_copy(elems.wps_ie + 4, */ - /* elems.wps_ie_len - 4); */ - } else { - DBG_88E("STA did not include WPA/RSN IE " - "in (Re)Association Request - possible WPS " - "use\n"); - pstat->flags |= WLAN_STA_MAYBE_WPS; - } - - - /* AP support WPA/RSN, and sta is going to do WPS, but AP is not ready */ - /* that the selected registrar of AP is _FLASE */ - if ((psecuritypriv->wpa_psk > 0) && (pstat->flags & (WLAN_STA_WPS|WLAN_STA_MAYBE_WPS))) { - if (pmlmepriv->wps_beacon_ie) { - u8 selected_registrar = 0; - - rtw_get_wps_attr_content(pmlmepriv->wps_beacon_ie, pmlmepriv->wps_beacon_ie_len, WPS_ATTR_SELECTED_REGISTRAR , &selected_registrar, NULL); - - if (!selected_registrar) { - DBG_88E("selected_registrar is false , or AP is not ready to do WPS\n"); - - status = _STATS_UNABLE_HANDLE_STA_; - - goto OnAssocReqFail; - } - } - } - } else { - int copy_len; - - if (psecuritypriv->wpa_psk == 0) { - DBG_88E("STA %pM: WPA/RSN IE in association " - "request, but AP don't support WPA/RSN\n", pstat->hwaddr); - - status = WLAN_STATUS_INVALID_IE; - - goto OnAssocReqFail; - } - - if (elems.wps_ie) { - DBG_88E("STA included WPS IE in " - "(Re)Association Request - WPS is " - "used\n"); - pstat->flags |= WLAN_STA_WPS; - copy_len = 0; - } else { - copy_len = ((wpa_ie_len+2) > sizeof(pstat->wpa_ie)) ? (sizeof(pstat->wpa_ie)) : (wpa_ie_len+2); - } - if (copy_len > 0) - memcpy(pstat->wpa_ie, wpa_ie-2, copy_len); - } - /* check if there is WMM IE & support WWM-PS */ - pstat->flags &= ~WLAN_STA_WME; - pstat->qos_option = 0; - pstat->qos_info = 0; - pstat->has_legacy_ac = true; - pstat->uapsd_vo = 0; - pstat->uapsd_vi = 0; - pstat->uapsd_be = 0; - pstat->uapsd_bk = 0; - if (pmlmepriv->qospriv.qos_option) { - p = pframe + WLAN_HDR_A3_LEN + ie_offset; ie_len = 0; - for (;;) { - p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset); - if (p != NULL) { - if (!memcmp(p+2, WMM_IE, 6)) { - pstat->flags |= WLAN_STA_WME; - - pstat->qos_option = 1; - pstat->qos_info = *(p+8); - - pstat->max_sp_len = (pstat->qos_info>>5)&0x3; - - if ((pstat->qos_info&0xf) != 0xf) - pstat->has_legacy_ac = true; - else - pstat->has_legacy_ac = false; - - if (pstat->qos_info&0xf) { - if (pstat->qos_info&BIT(0)) - pstat->uapsd_vo = BIT(0)|BIT(1); - else - pstat->uapsd_vo = 0; - - if (pstat->qos_info&BIT(1)) - pstat->uapsd_vi = BIT(0)|BIT(1); - else - pstat->uapsd_vi = 0; - - if (pstat->qos_info&BIT(2)) - pstat->uapsd_bk = BIT(0)|BIT(1); - else - pstat->uapsd_bk = 0; - - if (pstat->qos_info&BIT(3)) - pstat->uapsd_be = BIT(0)|BIT(1); - else - pstat->uapsd_be = 0; - } - break; - } - } else { - break; - } - p = p + ie_len + 2; - } - } - - /* save HT capabilities in the sta object */ - memset(&pstat->htpriv.ht_cap, 0, sizeof(struct rtw_ieee80211_ht_cap)); - if (elems.ht_capabilities && elems.ht_capabilities_len >= sizeof(struct rtw_ieee80211_ht_cap)) { - pstat->flags |= WLAN_STA_HT; - - pstat->flags |= WLAN_STA_WME; - - memcpy(&pstat->htpriv.ht_cap, elems.ht_capabilities, sizeof(struct rtw_ieee80211_ht_cap)); - } else { - pstat->flags &= ~WLAN_STA_HT; - } - if ((!pmlmepriv->htpriv.ht_option) && (pstat->flags&WLAN_STA_HT)) { - status = _STATS_FAILURE_; - goto OnAssocReqFail; - } - - if ((pstat->flags & WLAN_STA_HT) && - ((pstat->wpa2_pairwise_cipher&WPA_CIPHER_TKIP) || - (pstat->wpa_pairwise_cipher&WPA_CIPHER_TKIP))) { - DBG_88E("HT: %pM tried to " - "use TKIP with HT association\n", pstat->hwaddr); - - /* status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY; */ - /* goto OnAssocReqFail; */ - } - - pstat->flags |= WLAN_STA_NONERP; - for (i = 0; i < pstat->bssratelen; i++) { - if ((pstat->bssrateset[i] & 0x7f) > 22) { - pstat->flags &= ~WLAN_STA_NONERP; - break; - } - } - - if (pstat->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) - pstat->flags |= WLAN_STA_SHORT_PREAMBLE; - else - pstat->flags &= ~WLAN_STA_SHORT_PREAMBLE; - - - - if (status != _STATS_SUCCESSFUL_) - goto OnAssocReqFail; - - /* TODO: identify_proprietary_vendor_ie(); */ - /* Realtek proprietary IE */ - /* identify if this is Broadcom sta */ - /* identify if this is ralink sta */ - /* Customer proprietary IE */ - - /* get a unique AID */ - if (pstat->aid > 0) { - DBG_88E(" old AID %d\n", pstat->aid); - } else { - for (pstat->aid = 1; pstat->aid <= NUM_STA; pstat->aid++) - if (pstapriv->sta_aid[pstat->aid - 1] == NULL) - break; - - /* if (pstat->aid > NUM_STA) { */ - if (pstat->aid > pstapriv->max_num_sta) { - pstat->aid = 0; - - DBG_88E(" no room for more AIDs\n"); - - status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; - - goto OnAssocReqFail; - } else { - pstapriv->sta_aid[pstat->aid - 1] = pstat; - DBG_88E("allocate new AID=(%d)\n", pstat->aid); - } - } - - pstat->state &= (~WIFI_FW_ASSOC_STATE); - pstat->state |= WIFI_FW_ASSOC_SUCCESS; - - spin_lock_bh(&pstapriv->auth_list_lock); - if (!list_empty(&pstat->auth_list)) { - list_del_init(&pstat->auth_list); - pstapriv->auth_list_cnt--; - } - spin_unlock_bh(&pstapriv->auth_list_lock); - - spin_lock_bh(&pstapriv->asoc_list_lock); - if (list_empty(&pstat->asoc_list)) { - pstat->expire_to = pstapriv->expire_to; - list_add_tail(&pstat->asoc_list, &pstapriv->asoc_list); - pstapriv->asoc_list_cnt++; - } - spin_unlock_bh(&pstapriv->asoc_list_lock); - - /* now the station is qualified to join our BSS... */ - if (pstat && (pstat->state & WIFI_FW_ASSOC_SUCCESS) && (_STATS_SUCCESSFUL_ == status)) { -#ifdef CONFIG_88EU_AP_MODE - /* 1 bss_cap_update & sta_info_update */ - bss_cap_update_on_sta_join(padapter, pstat); - sta_info_update(padapter, pstat); - - /* issue assoc rsp before notify station join event. */ - if (frame_type == WIFI_ASSOCREQ) - issue_asocrsp(padapter, status, pstat, WIFI_ASSOCRSP); - else - issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP); - - /* 2 - report to upper layer */ - DBG_88E("indicate_sta_join_event to upper layer - hostapd\n"); - rtw_indicate_sta_assoc_event(padapter, pstat); - - /* 3-(1) report sta add event */ - report_add_sta_event(padapter, pstat->hwaddr, pstat->aid); -#endif - } - - return _SUCCESS; - -asoc_class2_error: - -#ifdef CONFIG_88EU_AP_MODE - issue_deauth(padapter, (void *)GetAddr2Ptr(pframe), status); -#endif - - return _FAIL; - -OnAssocReqFail: - - -#ifdef CONFIG_88EU_AP_MODE - pstat->aid = 0; - if (frame_type == WIFI_ASSOCREQ) - issue_asocrsp(padapter, status, pstat, WIFI_ASSOCRSP); - else - issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP); -#endif - - -#endif /* CONFIG_88EU_AP_MODE */ - - return _FAIL; -} - -unsigned int OnAssocRsp(struct adapter *padapter, struct recv_frame *precv_frame) -{ - uint i; - int res; - unsigned short status; - struct ndis_802_11_var_ie *pIE; - 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 *cur_network = &(pmlmeinfo->network); */ - u8 *pframe = precv_frame->rx_data; - uint pkt_len = precv_frame->len; - - DBG_88E("%s\n", __func__); - - /* check A1 matches or not */ - if (memcmp(myid(&(padapter->eeprompriv)), get_da(pframe), ETH_ALEN)) - return _SUCCESS; - - if (!(pmlmeinfo->state & (WIFI_FW_AUTH_SUCCESS | WIFI_FW_ASSOC_STATE))) - return _SUCCESS; - - if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) - return _SUCCESS; - - del_timer_sync(&pmlmeext->link_timer); - - /* status */ - status = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 2)); - if (status > 0) { - DBG_88E("assoc reject, status code: %d\n", status); - pmlmeinfo->state = WIFI_FW_NULL_STATE; - res = -4; - goto report_assoc_result; - } - - /* get capabilities */ - pmlmeinfo->capability = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN)); - - /* set slot time */ - pmlmeinfo->slotTime = (pmlmeinfo->capability & BIT(10)) ? 9 : 20; - - /* AID */ - pmlmeinfo->aid = (int)(le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 4))&0x3fff); - res = pmlmeinfo->aid; - - /* following are moved to join event callback function */ - /* to handle HT, WMM, rate adaptive, update MAC reg */ - /* for not to handle the synchronous IO in the tasklet */ - for (i = (6 + WLAN_HDR_A3_LEN); i < pkt_len;) { - pIE = (struct ndis_802_11_var_ie *)(pframe + i); - - switch (pIE->ElementID) { - case _VENDOR_SPECIFIC_IE_: - if (!memcmp(pIE->data, WMM_PARA_OUI, 6)) /* WMM */ - WMM_param_handler(padapter, pIE); - break; - case _HT_CAPABILITY_IE_: /* HT caps */ - HT_caps_handler(padapter, pIE); - break; - case _HT_EXTRA_INFO_IE_: /* HT info */ - HT_info_handler(padapter, pIE); - break; - case _ERPINFO_IE_: - ERP_IE_handler(padapter, pIE); - default: - break; - } - - i += (pIE->Length + 2); - } - - pmlmeinfo->state &= (~WIFI_FW_ASSOC_STATE); - pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS; - - /* Update Basic Rate Table for spec, 2010-12-28 , by thomas */ - UpdateBrateTbl(padapter, pmlmeinfo->network.SupportedRates); - -report_assoc_result: - if (res > 0) { - rtw_buf_update(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len, pframe, pkt_len); - } else { - rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len); - } - - report_join_res(padapter, res); - - return _SUCCESS; -} - -unsigned int OnDeAuth(struct adapter *padapter, struct recv_frame *precv_frame) -{ - unsigned short reason; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - u8 *pframe = precv_frame->rx_data; - struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); - - /* check A3 */ - if (memcmp(GetAddr3Ptr(pframe), pnetwork->MacAddress, ETH_ALEN)) - return _SUCCESS; - - reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN)); - - DBG_88E("%s Reason code(%d)\n", __func__, reason); - -#ifdef CONFIG_88EU_AP_MODE - if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { - struct sta_info *psta; - struct sta_priv *pstapriv = &padapter->stapriv; - - DBG_88E_LEVEL(_drv_always_, "ap recv deauth reason code(%d) sta:%pM\n", - reason, GetAddr2Ptr(pframe)); - - psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); - if (psta) { - u8 updated = 0; - - 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_sta(padapter, psta, false, reason); - } - spin_unlock_bh(&pstapriv->asoc_list_lock); - - associated_clients_update(padapter, updated); - } - - - return _SUCCESS; - } else -#endif - { - DBG_88E_LEVEL(_drv_always_, "sta recv deauth reason code(%d) sta:%pM\n", - reason, GetAddr3Ptr(pframe)); - - receive_disconnect(padapter, GetAddr3Ptr(pframe) , reason); - } - pmlmepriv->LinkDetectInfo.bBusyTraffic = false; - return _SUCCESS; -} - -unsigned int OnDisassoc(struct adapter *padapter, struct recv_frame *precv_frame) -{ - u16 reason; - struct mlme_priv *pmlmepriv = &padapter->mlmepriv; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - u8 *pframe = precv_frame->rx_data; - struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); - - /* check A3 */ - if (memcmp(GetAddr3Ptr(pframe), pnetwork->MacAddress, ETH_ALEN)) - return _SUCCESS; - - reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN)); - - DBG_88E("%s Reason code(%d)\n", __func__, reason); - -#ifdef CONFIG_88EU_AP_MODE - if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { - struct sta_info *psta; - struct sta_priv *pstapriv = &padapter->stapriv; - - DBG_88E_LEVEL(_drv_always_, "ap recv disassoc reason code(%d) sta:%pM\n", - reason, GetAddr2Ptr(pframe)); - - psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); - if (psta) { - u8 updated = 0; - - 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_sta(padapter, psta, false, reason); - } - spin_unlock_bh(&pstapriv->asoc_list_lock); - - associated_clients_update(padapter, updated); - } - - return _SUCCESS; - } else -#endif - { - DBG_88E_LEVEL(_drv_always_, "ap recv disassoc reason code(%d) sta:%pM\n", - reason, GetAddr3Ptr(pframe)); - - receive_disconnect(padapter, GetAddr3Ptr(pframe), reason); - } - pmlmepriv->LinkDetectInfo.bBusyTraffic = false; - return _SUCCESS; -} - -unsigned int OnAtim(struct adapter *padapter, struct recv_frame *precv_frame) -{ - DBG_88E("%s\n", __func__); - return _SUCCESS; -} - -unsigned int on_action_spct(struct adapter *padapter, struct recv_frame *precv_frame) -{ - struct sta_info *psta = NULL; - struct sta_priv *pstapriv = &padapter->stapriv; - u8 *pframe = precv_frame->rx_data; - u8 *frame_body = (u8 *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr)); - u8 category; - u8 action; - - DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev)); - - psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); - - if (!psta) - goto exit; - - category = frame_body[0]; - if (category != RTW_WLAN_CATEGORY_SPECTRUM_MGMT) - goto exit; - - action = frame_body[1]; - switch (action) { - case RTW_WLAN_ACTION_SPCT_MSR_REQ: - case RTW_WLAN_ACTION_SPCT_MSR_RPRT: - case RTW_WLAN_ACTION_SPCT_TPC_REQ: - case RTW_WLAN_ACTION_SPCT_TPC_RPRT: - break; - case RTW_WLAN_ACTION_SPCT_CHL_SWITCH: - break; - default: - break; - } - -exit: - return _FAIL; -} - -unsigned int OnAction_qos(struct adapter *padapter, struct recv_frame *precv_frame) -{ - return _SUCCESS; -} - -unsigned int OnAction_dls(struct adapter *padapter, struct recv_frame *precv_frame) -{ - return _SUCCESS; -} - -unsigned int OnAction_back(struct adapter *padapter, struct recv_frame *precv_frame) -{ - u8 *addr; - struct sta_info *psta = NULL; - struct recv_reorder_ctrl *preorder_ctrl; - unsigned char *frame_body; - unsigned char category, action; - unsigned short tid, status, reason_code = 0; - struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; - struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); - u8 *pframe = precv_frame->rx_data; - struct sta_priv *pstapriv = &padapter->stapriv; - /* check RA matches or not */ - if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), - ETH_ALEN))/* for if1, sta/ap mode */ - return _SUCCESS; - - DBG_88E("%s\n", __func__); - - if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE) - if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) - return _SUCCESS; - - addr = GetAddr2Ptr(pframe); - psta = rtw_get_stainfo(pstapriv, addr); - - if (psta == NULL) - return _SUCCESS; - - frame_body = (unsigned char *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr)); - - category = frame_body[0]; - if (category == RTW_WLAN_CATEGORY_BACK) { /* representing Block Ack */ - if (!pmlmeinfo->HT_enable) - return _SUCCESS; - action = frame_body[1]; - DBG_88E("%s, action=%d\n", __func__, action); - switch (action) { - case RTW_WLAN_ACTION_ADDBA_REQ: /* ADDBA request */ - memcpy(&(pmlmeinfo->ADDBA_req), &(frame_body[2]), sizeof(struct ADDBA_request)); - process_addba_req(padapter, (u8 *)&(pmlmeinfo->ADDBA_req), addr); - - if (pmlmeinfo->bAcceptAddbaReq) - issue_action_BA(padapter, addr, RTW_WLAN_ACTION_ADDBA_RESP, 0); - else - issue_action_BA(padapter, addr, RTW_WLAN_ACTION_ADDBA_RESP, 37);/* reject ADDBA Req */ - break; - case RTW_WLAN_ACTION_ADDBA_RESP: /* ADDBA response */ - status = get_unaligned_le16(&frame_body[3]); - tid = (frame_body[5] >> 2) & 0x7; - if (status == 0) { /* successful */ - DBG_88E("agg_enable for TID=%d\n", tid); - psta->htpriv.agg_enable_bitmap |= 1 << tid; - psta->htpriv.candidate_tid_bitmap &= ~BIT(tid); - } else { - psta->htpriv.agg_enable_bitmap &= ~BIT(tid); - } - break; - case RTW_WLAN_ACTION_DELBA: /* DELBA */ - if ((frame_body[3] & BIT(3)) == 0) { - psta->htpriv.agg_enable_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf)); - psta->htpriv.candidate_tid_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf)); - reason_code = get_unaligned_le16(&frame_body[4]); - } else if ((frame_body[3] & BIT(3)) == BIT(3)) { - tid = (frame_body[3] >> 4) & 0x0F; - preorder_ctrl = &psta->recvreorder_ctrl[tid]; - preorder_ctrl->enable = false; - preorder_ctrl->indicate_seq = 0xffff; - } - DBG_88E("%s(): DELBA: %x(%x)\n", __func__, pmlmeinfo->agg_enable_bitmap, reason_code); - /* todo: how to notify the host while receiving DELETE BA */ - break; - default: - break; - } - } - return _SUCCESS; -} - -static s32 rtw_action_public_decache(struct recv_frame *recv_frame, s32 token) -{ - struct adapter *adapter = recv_frame->adapter; - struct mlme_ext_priv *mlmeext = &(adapter->mlmeextpriv); - u8 *frame = recv_frame->rx_data; - u16 seq_ctrl = ((recv_frame->attrib.seq_num&0xffff) << 4) | - (recv_frame->attrib.frag_num & 0xf); - - if (GetRetry(frame)) { - if (token >= 0) { - if ((seq_ctrl == mlmeext->action_public_rxseq) && (token == mlmeext->action_public_dialog_token)) { - DBG_88E(FUNC_ADPT_FMT" seq_ctrl = 0x%x, rxseq = 0x%x, token:%d\n", - FUNC_ADPT_ARG(adapter), seq_ctrl, mlmeext->action_public_rxseq, token); - return _FAIL; - } - } else { - if (seq_ctrl == mlmeext->action_public_rxseq) { - DBG_88E(FUNC_ADPT_FMT" seq_ctrl = 0x%x, rxseq = 0x%x\n", - FUNC_ADPT_ARG(adapter), seq_ctrl, mlmeext->action_public_rxseq); - return _FAIL; - } - } - } - - mlmeext->action_public_rxseq = seq_ctrl; - - if (token >= 0) - mlmeext->action_public_dialog_token = token; - - return _SUCCESS; -} - -static unsigned int on_action_public_p2p(struct recv_frame *precv_frame) -{ - u8 *pframe = precv_frame->rx_data; - u8 *frame_body; - u8 dialogToken = 0; - frame_body = (unsigned char *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr)); - - dialogToken = frame_body[7]; - - if (rtw_action_public_decache(precv_frame, dialogToken) == _FAIL) - return _FAIL; - - return _SUCCESS; -} - -static unsigned int on_action_public_vendor(struct recv_frame *precv_frame) -{ - unsigned int ret = _FAIL; - u8 *pframe = precv_frame->rx_data; - u8 *frame_body = pframe + sizeof(struct rtw_ieee80211_hdr_3addr); - - if (!memcmp(frame_body + 2, P2P_OUI, 4)) - ret = on_action_public_p2p(precv_frame); - - return ret; -} - -static unsigned int on_action_public_default(struct recv_frame *precv_frame, u8 action) -{ - unsigned int ret = _FAIL; - u8 *pframe = precv_frame->rx_data; - u8 *frame_body = pframe + sizeof(struct rtw_ieee80211_hdr_3addr); - u8 token; - - token = frame_body[2]; - - if (rtw_action_public_decache(precv_frame, token) == _FAIL) - goto exit; - - ret = _SUCCESS; - -exit: - return ret; -} - -unsigned int on_action_public(struct adapter *padapter, struct recv_frame *precv_frame) -{ - unsigned int ret = _FAIL; - u8 *pframe = precv_frame->rx_data; - u8 *frame_body = pframe + sizeof(struct rtw_ieee80211_hdr_3addr); - u8 category, action; - - /* check RA matches or not */ - if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), ETH_ALEN)) - goto exit; - - category = frame_body[0]; - if (category != RTW_WLAN_CATEGORY_PUBLIC) - goto exit; - - action = frame_body[1]; - switch (action) { - case ACT_PUBLIC_VENDOR: - ret = on_action_public_vendor(precv_frame); - break; - default: - ret = on_action_public_default(precv_frame, action); - break; - } - -exit: - return ret; -} - -unsigned int OnAction_ht(struct adapter *padapter, struct recv_frame *precv_frame) -{ - return _SUCCESS; -} - -unsigned int OnAction_wmm(struct adapter *padapter, struct recv_frame *precv_frame) -{ - return _SUCCESS; -} - -unsigned int OnAction_p2p(struct adapter *padapter, struct recv_frame *precv_frame) -{ - return _SUCCESS; -} - -unsigned int OnAction(struct adapter *padapter, struct recv_frame *precv_frame) -{ - int i; - unsigned char category; - struct action_handler *ptable; - unsigned char *frame_body; - u8 *pframe = precv_frame->rx_data; - - frame_body = (unsigned char *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr)); - - category = frame_body[0]; - - for (i = 0; i < sizeof(OnAction_tbl)/sizeof(struct action_handler); i++) { - ptable = &OnAction_tbl[i]; - if (category == ptable->num) - ptable->func(padapter, precv_frame); - } - return _SUCCESS; -} - -unsigned int DoReserved(struct adapter *padapter, struct recv_frame *precv_frame) -{ - return _SUCCESS; -} - struct xmit_frame *alloc_mgtxmitframe(struct xmit_priv *pxmitpriv) { struct xmit_frame *pmgntframe; @@ -1886,7 +230,8 @@ void update_mgntframe_attrib(struct adapter *padapter, struct pkt_attrib *pattri pattrib->retry_ctrl = true; } -void dump_mgntframe(struct adapter *padapter, struct xmit_frame *pmgntframe) +static void dump_mgntframe(struct adapter *padapter, + struct xmit_frame *pmgntframe) { if (padapter->bSurpriseRemoved || padapter->bDriverStopped) return; @@ -1894,7 +239,9 @@ void dump_mgntframe(struct adapter *padapter, struct xmit_frame *pmgntframe) rtw_hal_mgnt_xmit(padapter, pmgntframe); } -s32 dump_mgntframe_and_wait(struct adapter *padapter, struct xmit_frame *pmgntframe, int timeout_ms) +static s32 dump_mgntframe_and_wait(struct adapter *padapter, + struct xmit_frame *pmgntframe, + int timeout_ms) { s32 ret = _FAIL; struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf; @@ -1914,7 +261,8 @@ s32 dump_mgntframe_and_wait(struct adapter *padapter, struct xmit_frame *pmgntfr return ret; } -s32 dump_mgntframe_and_wait_ack(struct adapter *padapter, struct xmit_frame *pmgntframe) +static s32 dump_mgntframe_and_wait_ack(struct adapter *padapter, + struct xmit_frame *pmgntframe) { s32 ret = _FAIL; u32 timeout_ms = 500;/* 500ms */ @@ -1970,7 +318,7 @@ static int update_hidden_ssid(u8 *ies, u32 ies_len, u8 hidden_ssid_mode) return len_diff; } -void issue_beacon(struct adapter *padapter, int timeout_ms) +static void issue_beacon(struct adapter *padapter, int timeout_ms) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; @@ -2111,7 +459,7 @@ _issue_bcn: dump_mgntframe(padapter, pmgntframe); } -void issue_probersp(struct adapter *padapter, unsigned char *da, u8 is_valid_p2p_probereq) +static void issue_probersp(struct adapter *padapter, unsigned char *da) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; @@ -2353,13 +701,15 @@ exit: return ret; } -inline void issue_probereq(struct adapter *padapter, struct ndis_802_11_ssid *pssid, u8 *da) +static inline void issue_probereq(struct adapter *padapter, + struct ndis_802_11_ssid *pssid, u8 *da) { _issue_probereq(padapter, pssid, da, false); } -int issue_probereq_ex(struct adapter *padapter, struct ndis_802_11_ssid *pssid, u8 *da, - int try_cnt, int wait_ms) +static int issue_probereq_ex(struct adapter *padapter, + struct ndis_802_11_ssid *pssid, u8 *da, + int try_cnt, int wait_ms) { int ret; int i = 0; @@ -2398,7 +748,8 @@ exit: } /* if psta == NULL, indicate we are station(client) now... */ -void issue_auth(struct adapter *padapter, struct sta_info *psta, unsigned short status) +static void issue_auth(struct adapter *padapter, struct sta_info *psta, + unsigned short status) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; @@ -2537,9 +888,10 @@ void issue_auth(struct adapter *padapter, struct sta_info *psta, unsigned short } -void issue_asocrsp(struct adapter *padapter, unsigned short status, struct sta_info *pstat, int pkt_type) -{ #ifdef CONFIG_88EU_AP_MODE +static void issue_asocrsp(struct adapter *padapter, unsigned short status, + struct sta_info *pstat, int pkt_type) +{ struct xmit_frame *pmgntframe; struct rtw_ieee80211_hdr *pwlanhdr; struct pkt_attrib *pattrib; @@ -2659,10 +1011,10 @@ void issue_asocrsp(struct adapter *padapter, unsigned short status, struct sta_i pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); -#endif } +#endif /* CONFIG_88EU_AP_MODE */ -void issue_assocreq(struct adapter *padapter) +static void issue_assocreq(struct adapter *padapter) { int ret = _FAIL; struct xmit_frame *pmgntframe; @@ -3169,8 +1521,9 @@ int issue_deauth(struct adapter *padapter, unsigned char *da, unsigned short rea return _issue_deauth(padapter, da, reason, false); } -int issue_deauth_ex(struct adapter *padapter, u8 *da, unsigned short reason, int try_cnt, - int wait_ms) +static int issue_deauth_ex(struct adapter *padapter, u8 *da, + unsigned short reason, int try_cnt, + int wait_ms) { int ret; int i = 0; @@ -3267,7 +1620,8 @@ void issue_action_spct_ch_switch(struct adapter *padapter, u8 *ra, u8 new_ch, u8 dump_mgntframe(padapter, pmgntframe); } -void issue_action_BA(struct adapter *padapter, unsigned char *raddr, unsigned char action, unsigned short status) +static void issue_action_BA(struct adapter *padapter, unsigned char *raddr, + unsigned char action, unsigned short status) { u8 category = RTW_WLAN_CATEGORY_BACK; u16 start_seq; @@ -3619,7 +1973,7 @@ Following are some utility functions for WiFi MLME *****************************************************************************/ -void site_survey(struct adapter *padapter) +static void site_survey(struct adapter *padapter) { unsigned char survey_channel = 0, val8; enum rt_scan_type ScanType = SCAN_PASSIVE; @@ -3723,7 +2077,9 @@ void site_survey(struct adapter *padapter) } /* collect bss info from Beacon and Probe request/response frames. */ -u8 collect_bss_info(struct adapter *padapter, struct recv_frame *precv_frame, struct wlan_bssid_ex *bssid) +static u8 collect_bss_info(struct adapter *padapter, + struct recv_frame *precv_frame, + struct wlan_bssid_ex *bssid) { int i; u32 len; @@ -3889,7 +2245,7 @@ u8 collect_bss_info(struct adapter *padapter, struct recv_frame *precv_frame, st return _SUCCESS; } -void start_create_ibss(struct adapter *padapter) +static void start_create_ibss(struct adapter *padapter) { unsigned short caps; u8 val8; @@ -3940,7 +2296,7 @@ void start_create_ibss(struct adapter *padapter) } } -void start_clnt_join(struct adapter *padapter) +static void start_clnt_join(struct adapter *padapter) { unsigned short caps; u8 val8; @@ -3995,7 +2351,7 @@ void start_clnt_join(struct adapter *padapter) } } -void start_clnt_auth(struct adapter *padapter) +static void start_clnt_auth(struct adapter *padapter) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); @@ -4026,7 +2382,7 @@ void start_clnt_auth(struct adapter *padapter) } -void start_clnt_assoc(struct adapter *padapter) +static void start_clnt_assoc(struct adapter *padapter) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); @@ -4041,7 +2397,9 @@ void start_clnt_assoc(struct adapter *padapter) set_link_timer(pmlmeext, REASSOC_TO); } -unsigned int receive_disconnect(struct adapter *padapter, unsigned char *MacAddr, unsigned short reason) +static unsigned int receive_disconnect(struct adapter *padapter, + unsigned char *MacAddr, + unsigned short reason) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); @@ -4221,6 +2579,1665 @@ static void process_80211d(struct adapter *padapter, struct wlan_bssid_ex *bssid /**************************************************************************** +Following are the callback functions for each subtype of the management frames + +*****************************************************************************/ + +static unsigned int OnProbeReq(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + unsigned int ielen; + unsigned char *p; + 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 *cur = &(pmlmeinfo->network); + u8 *pframe = precv_frame->rx_data; + uint len = precv_frame->len; + + if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) + return _SUCCESS; + + if (!check_fwstate(pmlmepriv, _FW_LINKED) && + !check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) + return _SUCCESS; + + p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _PROBEREQ_IE_OFFSET_, _SSID_IE_, (int *)&ielen, + len - WLAN_HDR_A3_LEN - _PROBEREQ_IE_OFFSET_); + + /* check (wildcard) SSID */ + if (p != NULL) { + if ((ielen != 0 && memcmp((void *)(p+2), (void *)cur->Ssid.Ssid, cur->Ssid.SsidLength)) || + (ielen == 0 && pmlmeinfo->hidden_ssid_mode)) + return _SUCCESS; + + if (check_fwstate(pmlmepriv, _FW_LINKED) && + pmlmepriv->cur_network.join_res) + issue_probersp(padapter, get_sa(pframe)); + } + return _SUCCESS; +} + +static unsigned int OnProbeRsp(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) { + report_survey_event(padapter, precv_frame); + return _SUCCESS; + } + + return _SUCCESS; +} + +static unsigned int OnBeacon(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + int cam_idx; + struct sta_info *psta; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct sta_priv *pstapriv = &padapter->stapriv; + u8 *pframe = precv_frame->rx_data; + uint len = precv_frame->len; + struct wlan_bssid_ex *pbss; + int ret = _SUCCESS; + struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); + + if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) { + report_survey_event(padapter, precv_frame); + return _SUCCESS; + } + + if (!memcmp(GetAddr3Ptr(pframe), pnetwork->MacAddress, ETH_ALEN)) { + if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) { + /* we should update current network before auth, or some IE is wrong */ + pbss = (struct wlan_bssid_ex *)rtw_malloc(sizeof(struct wlan_bssid_ex)); + if (pbss) { + if (collect_bss_info(padapter, precv_frame, pbss) == _SUCCESS) { + update_network(&(pmlmepriv->cur_network.network), pbss, padapter, true); + rtw_get_bcn_info(&(pmlmepriv->cur_network)); + } + kfree(pbss); + } + + /* check the vendor of the assoc AP */ + pmlmeinfo->assoc_AP_vendor = check_assoc_AP(pframe+sizeof(struct rtw_ieee80211_hdr_3addr), len-sizeof(struct rtw_ieee80211_hdr_3addr)); + + /* update TSF Value */ + update_TSF(pmlmeext, pframe, len); + + /* start auth */ + start_clnt_auth(padapter); + + return _SUCCESS; + } + + if (((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) && (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) { + psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); + if (psta != NULL) { + ret = rtw_check_bcn_info(padapter, pframe, len); + if (!ret) { + DBG_88E_LEVEL(_drv_info_, "ap has changed, disconnect now\n "); + receive_disconnect(padapter, pmlmeinfo->network.MacAddress , 65535); + return _SUCCESS; + } + /* update WMM, ERP in the beacon */ + /* todo: the timer is used instead of the number of the beacon received */ + if ((sta_rx_pkts(psta) & 0xf) == 0) + update_beacon_info(padapter, pframe, len, psta); + } + } else if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) { + psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); + if (psta != NULL) { + /* update WMM, ERP in the beacon */ + /* todo: the timer is used instead of the number of the beacon received */ + if ((sta_rx_pkts(psta) & 0xf) == 0) + update_beacon_info(padapter, pframe, len, psta); + } else { + /* allocate a new CAM entry for IBSS station */ + cam_idx = allocate_fw_sta_entry(padapter); + if (cam_idx == NUM_STA) + goto _END_ONBEACON_; + + /* get supported rate */ + if (update_sta_support_rate(padapter, (pframe + WLAN_HDR_A3_LEN + _BEACON_IE_OFFSET_), (len - WLAN_HDR_A3_LEN - _BEACON_IE_OFFSET_), cam_idx) == _FAIL) { + pmlmeinfo->FW_sta_info[cam_idx].status = 0; + goto _END_ONBEACON_; + } + + /* update TSF Value */ + update_TSF(pmlmeext, pframe, len); + + /* report sta add event */ + report_add_sta_event(padapter, GetAddr2Ptr(pframe), cam_idx); + } + } + } + +_END_ONBEACON_: + + return _SUCCESS; +} + +#ifdef CONFIG_88EU_AP_MODE +static unsigned int OnAuth(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + unsigned int auth_mode, ie_len; + u16 seq; + unsigned char *sa, *p; + u16 algorithm; + int status; + static struct sta_info stat; + struct sta_info *pstat = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + u8 *pframe = precv_frame->rx_data; + uint len = precv_frame->len; + + if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE) + return _FAIL; + + DBG_88E("+OnAuth\n"); + + sa = GetAddr2Ptr(pframe); + + auth_mode = psecuritypriv->dot11AuthAlgrthm; + seq = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + 2)); + algorithm = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN)); + + DBG_88E("auth alg=%x, seq=%X\n", algorithm, seq); + + if (auth_mode == 2 && psecuritypriv->dot11PrivacyAlgrthm != _WEP40_ && + psecuritypriv->dot11PrivacyAlgrthm != _WEP104_) + auth_mode = 0; + + if ((algorithm > 0 && auth_mode == 0) || /* rx a shared-key auth but shared not enabled */ + (algorithm == 0 && auth_mode == 1)) { /* rx a open-system auth but shared-key is enabled */ + DBG_88E("auth rejected due to bad alg [alg=%d, auth_mib=%d] %02X%02X%02X%02X%02X%02X\n", + algorithm, auth_mode, sa[0], sa[1], sa[2], sa[3], sa[4], sa[5]); + + status = _STATS_NO_SUPP_ALG_; + + goto auth_fail; + } + + if (!rtw_access_ctrl(padapter, sa)) { + status = _STATS_UNABLE_HANDLE_STA_; + goto auth_fail; + } + + pstat = rtw_get_stainfo(pstapriv, sa); + if (pstat == NULL) { + /* allocate a new one */ + DBG_88E("going to alloc stainfo for sa=%pM\n", sa); + pstat = rtw_alloc_stainfo(pstapriv, sa); + if (pstat == NULL) { + DBG_88E(" Exceed the upper limit of supported clients...\n"); + status = _STATS_UNABLE_HANDLE_STA_; + goto auth_fail; + } + + pstat->state = WIFI_FW_AUTH_NULL; + pstat->auth_seq = 0; + } else { + spin_lock_bh(&pstapriv->asoc_list_lock); + if (!list_empty(&pstat->asoc_list)) { + list_del_init(&pstat->asoc_list); + pstapriv->asoc_list_cnt--; + } + spin_unlock_bh(&pstapriv->asoc_list_lock); + + if (seq == 1) { + /* TODO: STA re_auth and auth timeout */ + } + } + + spin_lock_bh(&pstapriv->auth_list_lock); + if (list_empty(&pstat->auth_list)) { + list_add_tail(&pstat->auth_list, &pstapriv->auth_list); + pstapriv->auth_list_cnt++; + } + spin_unlock_bh(&pstapriv->auth_list_lock); + + if (pstat->auth_seq == 0) + pstat->expire_to = pstapriv->auth_to; + + if ((pstat->auth_seq + 1) != seq) { + DBG_88E("(1)auth rejected because out of seq [rx_seq=%d, exp_seq=%d]!\n", + seq, pstat->auth_seq+1); + status = _STATS_OUT_OF_AUTH_SEQ_; + goto auth_fail; + } + + if (algorithm == 0 && (auth_mode == 0 || auth_mode == 2)) { + if (seq == 1) { + pstat->state &= ~WIFI_FW_AUTH_NULL; + pstat->state |= WIFI_FW_AUTH_SUCCESS; + pstat->expire_to = pstapriv->assoc_to; + pstat->authalg = algorithm; + } else { + DBG_88E("(2)auth rejected because out of seq [rx_seq=%d, exp_seq=%d]!\n", + seq, pstat->auth_seq+1); + status = _STATS_OUT_OF_AUTH_SEQ_; + goto auth_fail; + } + } else { /* shared system or auto authentication */ + if (seq == 1) { + /* prepare for the challenging txt... */ + + pstat->state &= ~WIFI_FW_AUTH_NULL; + pstat->state |= WIFI_FW_AUTH_STATE; + pstat->authalg = algorithm; + pstat->auth_seq = 2; + } else if (seq == 3) { + /* checking for challenging txt... */ + DBG_88E("checking for challenging txt...\n"); + + p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + 4 + _AUTH_IE_OFFSET_ , _CHLGETXT_IE_, (int *)&ie_len, + len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_ - 4); + + if ((p == NULL) || (ie_len <= 0)) { + DBG_88E("auth rejected because challenge failure!(1)\n"); + status = _STATS_CHALLENGE_FAIL_; + goto auth_fail; + } + + if (!memcmp((void *)(p + 2), pstat->chg_txt, 128)) { + pstat->state &= (~WIFI_FW_AUTH_STATE); + pstat->state |= WIFI_FW_AUTH_SUCCESS; + /* challenging txt is correct... */ + pstat->expire_to = pstapriv->assoc_to; + } else { + DBG_88E("auth rejected because challenge failure!\n"); + status = _STATS_CHALLENGE_FAIL_; + goto auth_fail; + } + } else { + DBG_88E("(3)auth rejected because out of seq [rx_seq=%d, exp_seq=%d]!\n", + seq, pstat->auth_seq+1); + status = _STATS_OUT_OF_AUTH_SEQ_; + goto auth_fail; + } + } + + /* Now, we are going to issue_auth... */ + pstat->auth_seq = seq + 1; + + issue_auth(padapter, pstat, (unsigned short)(_STATS_SUCCESSFUL_)); + + if (pstat->state & WIFI_FW_AUTH_SUCCESS) + pstat->auth_seq = 0; + + return _SUCCESS; + +auth_fail: + + if (pstat) + rtw_free_stainfo(padapter, pstat); + + pstat = &stat; + memset((char *)pstat, '\0', sizeof(stat)); + pstat->auth_seq = 2; + memcpy(pstat->hwaddr, sa, 6); + + issue_auth(padapter, pstat, (unsigned short)status); + + return _FAIL; +} +#endif /* CONFIG_88EU_AP_MODE */ + +static unsigned int OnAuthClient(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + unsigned int seq, len, status, offset; + unsigned char *p; + unsigned int go2asoc = 0; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + u8 *pframe = precv_frame->rx_data; + uint pkt_len = precv_frame->len; + + DBG_88E("%s\n", __func__); + + /* check A1 matches or not */ + if (memcmp(myid(&(padapter->eeprompriv)), get_da(pframe), ETH_ALEN)) + return _SUCCESS; + + if (!(pmlmeinfo->state & WIFI_FW_AUTH_STATE)) + return _SUCCESS; + + offset = (GetPrivacy(pframe)) ? 4 : 0; + + seq = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + offset + 2)); + status = le16_to_cpu(*(__le16 *)((size_t)pframe + WLAN_HDR_A3_LEN + offset + 4)); + + if (status != 0) { + DBG_88E("clnt auth fail, status: %d\n", status); + if (status == 13) { /* pmlmeinfo->auth_algo == dot11AuthAlgrthm_Auto) */ + if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) + pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open; + else + pmlmeinfo->auth_algo = dot11AuthAlgrthm_Shared; + } + + set_link_timer(pmlmeext, 1); + goto authclnt_fail; + } + + if (seq == 2) { + if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) { + /* legendary shared system */ + p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + _AUTH_IE_OFFSET_, _CHLGETXT_IE_, (int *)&len, + pkt_len - WLAN_HDR_A3_LEN - _AUTH_IE_OFFSET_); + + if (p == NULL) + goto authclnt_fail; + + memcpy((void *)(pmlmeinfo->chg_txt), (void *)(p + 2), len); + pmlmeinfo->auth_seq = 3; + issue_auth(padapter, NULL, 0); + set_link_timer(pmlmeext, REAUTH_TO); + + return _SUCCESS; + } else { + /* open system */ + go2asoc = 1; + } + } else if (seq == 4) { + if (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) + go2asoc = 1; + else + goto authclnt_fail; + } else { + /* this is also illegal */ + goto authclnt_fail; + } + + if (go2asoc) { + DBG_88E_LEVEL(_drv_info_, "auth success, start assoc\n"); + start_clnt_assoc(padapter); + return _SUCCESS; + } +authclnt_fail: + return _FAIL; +} + +static unsigned int OnAssocReq(struct adapter *padapter, + struct recv_frame *precv_frame) +{ +#ifdef CONFIG_88EU_AP_MODE + u16 capab_info; + struct rtw_ieee802_11_elems elems; + struct sta_info *pstat; + unsigned char reassoc, *p, *pos, *wpa_ie; + unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01}; + int i, ie_len, wpa_ie_len, left; + unsigned char supportRate[16]; + int supportRateNum; + unsigned short status = _STATS_SUCCESSFUL_; + unsigned short frame_type, ie_offset = 0; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct security_priv *psecuritypriv = &padapter->securitypriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + struct wlan_bssid_ex *cur = &(pmlmeinfo->network); + struct sta_priv *pstapriv = &padapter->stapriv; + u8 *pframe = precv_frame->rx_data; + uint pkt_len = precv_frame->len; + + if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE) + return _FAIL; + + frame_type = GetFrameSubType(pframe); + if (frame_type == WIFI_ASSOCREQ) { + reassoc = 0; + ie_offset = _ASOCREQ_IE_OFFSET_; + } else { /* WIFI_REASSOCREQ */ + reassoc = 1; + ie_offset = _REASOCREQ_IE_OFFSET_; + } + + + if (pkt_len < IEEE80211_3ADDR_LEN + ie_offset) { + DBG_88E("handle_assoc(reassoc=%d) - too short payload (len=%lu)" + "\n", reassoc, (unsigned long)pkt_len); + return _FAIL; + } + + pstat = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); + if (pstat == NULL) { + status = _RSON_CLS2_; + goto asoc_class2_error; + } + + capab_info = get_unaligned_le16(pframe + WLAN_HDR_A3_LEN); + + left = pkt_len - (IEEE80211_3ADDR_LEN + ie_offset); + pos = pframe + (IEEE80211_3ADDR_LEN + ie_offset); + + + DBG_88E("%s\n", __func__); + + /* check if this stat has been successfully authenticated/assocated */ + if (!((pstat->state) & WIFI_FW_AUTH_SUCCESS)) { + if (!((pstat->state) & WIFI_FW_ASSOC_SUCCESS)) { + status = _RSON_CLS2_; + goto asoc_class2_error; + } else { + pstat->state &= (~WIFI_FW_ASSOC_SUCCESS); + pstat->state |= WIFI_FW_ASSOC_STATE; + } + } else { + pstat->state &= (~WIFI_FW_AUTH_SUCCESS); + pstat->state |= WIFI_FW_ASSOC_STATE; + } + pstat->capability = capab_info; + /* now parse all ieee802_11 ie to point to elems */ + if (rtw_ieee802_11_parse_elems(pos, left, &elems, 1) == ParseFailed || + !elems.ssid) { + DBG_88E("STA %pM sent invalid association request\n", + pstat->hwaddr); + status = _STATS_FAILURE_; + goto OnAssocReqFail; + } + + + /* now we should check all the fields... */ + /* checking SSID */ + p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SSID_IE_, &ie_len, + pkt_len - WLAN_HDR_A3_LEN - ie_offset); + if (p == NULL) + status = _STATS_FAILURE_; + + if (ie_len == 0) { /* broadcast ssid, however it is not allowed in assocreq */ + status = _STATS_FAILURE_; + } else { + /* check if ssid match */ + if (memcmp((void *)(p+2), cur->Ssid.Ssid, cur->Ssid.SsidLength)) + status = _STATS_FAILURE_; + + if (ie_len != cur->Ssid.SsidLength) + status = _STATS_FAILURE_; + } + + if (_STATS_SUCCESSFUL_ != status) + goto OnAssocReqFail; + + /* check if the supported rate is ok */ + p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _SUPPORTEDRATES_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset); + if (p == NULL) { + DBG_88E("Rx a sta assoc-req which supported rate is empty!\n"); + /* use our own rate set as statoin used */ + /* memcpy(supportRate, AP_BSSRATE, AP_BSSRATE_LEN); */ + /* supportRateNum = AP_BSSRATE_LEN; */ + + status = _STATS_FAILURE_; + goto OnAssocReqFail; + } else { + memcpy(supportRate, p+2, ie_len); + supportRateNum = ie_len; + + p = rtw_get_ie(pframe + WLAN_HDR_A3_LEN + ie_offset, _EXT_SUPPORTEDRATES_IE_ , &ie_len, + pkt_len - WLAN_HDR_A3_LEN - ie_offset); + if (p != NULL) { + if (supportRateNum <= sizeof(supportRate)) { + memcpy(supportRate+supportRateNum, p+2, ie_len); + supportRateNum += ie_len; + } + } + } + + /* todo: mask supportRate between AP & STA -> move to update raid */ + /* get_matched_rate(pmlmeext, supportRate, &supportRateNum, 0); */ + + /* update station supportRate */ + pstat->bssratelen = supportRateNum; + memcpy(pstat->bssrateset, supportRate, supportRateNum); + UpdateBrateTblForSoftAP(pstat->bssrateset, pstat->bssratelen); + + /* check RSN/WPA/WPS */ + pstat->dot8021xalg = 0; + pstat->wpa_psk = 0; + pstat->wpa_group_cipher = 0; + pstat->wpa2_group_cipher = 0; + pstat->wpa_pairwise_cipher = 0; + pstat->wpa2_pairwise_cipher = 0; + memset(pstat->wpa_ie, 0, sizeof(pstat->wpa_ie)); + if ((psecuritypriv->wpa_psk & BIT(1)) && elems.rsn_ie) { + int group_cipher = 0, pairwise_cipher = 0; + + wpa_ie = elems.rsn_ie; + wpa_ie_len = elems.rsn_ie_len; + + if (rtw_parse_wpa2_ie(wpa_ie-2, wpa_ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) { + pstat->dot8021xalg = 1;/* psk, todo:802.1x */ + pstat->wpa_psk |= BIT(1); + + pstat->wpa2_group_cipher = group_cipher&psecuritypriv->wpa2_group_cipher; + pstat->wpa2_pairwise_cipher = pairwise_cipher&psecuritypriv->wpa2_pairwise_cipher; + + if (!pstat->wpa2_group_cipher) + status = WLAN_STATUS_INVALID_GROUP_CIPHER; + + if (!pstat->wpa2_pairwise_cipher) + status = WLAN_STATUS_INVALID_PAIRWISE_CIPHER; + } else { + status = WLAN_STATUS_INVALID_IE; + } + } else if ((psecuritypriv->wpa_psk & BIT(0)) && elems.wpa_ie) { + int group_cipher = 0, pairwise_cipher = 0; + + wpa_ie = elems.wpa_ie; + wpa_ie_len = elems.wpa_ie_len; + + if (rtw_parse_wpa_ie(wpa_ie-2, wpa_ie_len+2, &group_cipher, &pairwise_cipher, NULL) == _SUCCESS) { + pstat->dot8021xalg = 1;/* psk, todo:802.1x */ + pstat->wpa_psk |= BIT(0); + + pstat->wpa_group_cipher = group_cipher&psecuritypriv->wpa_group_cipher; + pstat->wpa_pairwise_cipher = pairwise_cipher&psecuritypriv->wpa_pairwise_cipher; + + if (!pstat->wpa_group_cipher) + status = WLAN_STATUS_INVALID_GROUP_CIPHER; + + if (!pstat->wpa_pairwise_cipher) + status = WLAN_STATUS_INVALID_PAIRWISE_CIPHER; + } else { + status = WLAN_STATUS_INVALID_IE; + } + } else { + wpa_ie = NULL; + wpa_ie_len = 0; + } + + if (_STATS_SUCCESSFUL_ != status) + goto OnAssocReqFail; + + pstat->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS); + if (wpa_ie == NULL) { + if (elems.wps_ie) { + DBG_88E("STA included WPS IE in " + "(Re)Association Request - assume WPS is " + "used\n"); + pstat->flags |= WLAN_STA_WPS; + /* wpabuf_free(sta->wps_ie); */ + /* sta->wps_ie = wpabuf_alloc_copy(elems.wps_ie + 4, */ + /* elems.wps_ie_len - 4); */ + } else { + DBG_88E("STA did not include WPA/RSN IE " + "in (Re)Association Request - possible WPS " + "use\n"); + pstat->flags |= WLAN_STA_MAYBE_WPS; + } + + + /* AP support WPA/RSN, and sta is going to do WPS, but AP is not ready */ + /* that the selected registrar of AP is _FLASE */ + if ((psecuritypriv->wpa_psk > 0) && (pstat->flags & (WLAN_STA_WPS|WLAN_STA_MAYBE_WPS))) { + if (pmlmepriv->wps_beacon_ie) { + u8 selected_registrar = 0; + + rtw_get_wps_attr_content(pmlmepriv->wps_beacon_ie, pmlmepriv->wps_beacon_ie_len, WPS_ATTR_SELECTED_REGISTRAR , &selected_registrar, NULL); + + if (!selected_registrar) { + DBG_88E("selected_registrar is false , or AP is not ready to do WPS\n"); + + status = _STATS_UNABLE_HANDLE_STA_; + + goto OnAssocReqFail; + } + } + } + } else { + int copy_len; + + if (psecuritypriv->wpa_psk == 0) { + DBG_88E("STA %pM: WPA/RSN IE in association " + "request, but AP don't support WPA/RSN\n", pstat->hwaddr); + + status = WLAN_STATUS_INVALID_IE; + + goto OnAssocReqFail; + } + + if (elems.wps_ie) { + DBG_88E("STA included WPS IE in " + "(Re)Association Request - WPS is " + "used\n"); + pstat->flags |= WLAN_STA_WPS; + copy_len = 0; + } else { + copy_len = ((wpa_ie_len+2) > sizeof(pstat->wpa_ie)) ? (sizeof(pstat->wpa_ie)) : (wpa_ie_len+2); + } + if (copy_len > 0) + memcpy(pstat->wpa_ie, wpa_ie-2, copy_len); + } + /* check if there is WMM IE & support WWM-PS */ + pstat->flags &= ~WLAN_STA_WME; + pstat->qos_option = 0; + pstat->qos_info = 0; + pstat->has_legacy_ac = true; + pstat->uapsd_vo = 0; + pstat->uapsd_vi = 0; + pstat->uapsd_be = 0; + pstat->uapsd_bk = 0; + if (pmlmepriv->qospriv.qos_option) { + p = pframe + WLAN_HDR_A3_LEN + ie_offset; ie_len = 0; + for (;;) { + p = rtw_get_ie(p, _VENDOR_SPECIFIC_IE_, &ie_len, pkt_len - WLAN_HDR_A3_LEN - ie_offset); + if (p != NULL) { + if (!memcmp(p+2, WMM_IE, 6)) { + pstat->flags |= WLAN_STA_WME; + + pstat->qos_option = 1; + pstat->qos_info = *(p+8); + + pstat->max_sp_len = (pstat->qos_info>>5)&0x3; + + if ((pstat->qos_info&0xf) != 0xf) + pstat->has_legacy_ac = true; + else + pstat->has_legacy_ac = false; + + if (pstat->qos_info&0xf) { + if (pstat->qos_info&BIT(0)) + pstat->uapsd_vo = BIT(0)|BIT(1); + else + pstat->uapsd_vo = 0; + + if (pstat->qos_info&BIT(1)) + pstat->uapsd_vi = BIT(0)|BIT(1); + else + pstat->uapsd_vi = 0; + + if (pstat->qos_info&BIT(2)) + pstat->uapsd_bk = BIT(0)|BIT(1); + else + pstat->uapsd_bk = 0; + + if (pstat->qos_info&BIT(3)) + pstat->uapsd_be = BIT(0)|BIT(1); + else + pstat->uapsd_be = 0; + } + break; + } + } else { + break; + } + p = p + ie_len + 2; + } + } + + /* save HT capabilities in the sta object */ + memset(&pstat->htpriv.ht_cap, 0, sizeof(struct rtw_ieee80211_ht_cap)); + if (elems.ht_capabilities && elems.ht_capabilities_len >= sizeof(struct rtw_ieee80211_ht_cap)) { + pstat->flags |= WLAN_STA_HT; + + pstat->flags |= WLAN_STA_WME; + + memcpy(&pstat->htpriv.ht_cap, elems.ht_capabilities, sizeof(struct rtw_ieee80211_ht_cap)); + } else { + pstat->flags &= ~WLAN_STA_HT; + } + if ((!pmlmepriv->htpriv.ht_option) && (pstat->flags&WLAN_STA_HT)) { + status = _STATS_FAILURE_; + goto OnAssocReqFail; + } + + if ((pstat->flags & WLAN_STA_HT) && + ((pstat->wpa2_pairwise_cipher&WPA_CIPHER_TKIP) || + (pstat->wpa_pairwise_cipher&WPA_CIPHER_TKIP))) { + DBG_88E("HT: %pM tried to " + "use TKIP with HT association\n", pstat->hwaddr); + + /* status = WLAN_STATUS_CIPHER_REJECTED_PER_POLICY; */ + /* goto OnAssocReqFail; */ + } + + pstat->flags |= WLAN_STA_NONERP; + for (i = 0; i < pstat->bssratelen; i++) { + if ((pstat->bssrateset[i] & 0x7f) > 22) { + pstat->flags &= ~WLAN_STA_NONERP; + break; + } + } + + if (pstat->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) + pstat->flags |= WLAN_STA_SHORT_PREAMBLE; + else + pstat->flags &= ~WLAN_STA_SHORT_PREAMBLE; + + + + if (status != _STATS_SUCCESSFUL_) + goto OnAssocReqFail; + + /* TODO: identify_proprietary_vendor_ie(); */ + /* Realtek proprietary IE */ + /* identify if this is Broadcom sta */ + /* identify if this is ralink sta */ + /* Customer proprietary IE */ + + /* get a unique AID */ + if (pstat->aid > 0) { + DBG_88E(" old AID %d\n", pstat->aid); + } else { + for (pstat->aid = 1; pstat->aid <= NUM_STA; pstat->aid++) + if (pstapriv->sta_aid[pstat->aid - 1] == NULL) + break; + + /* if (pstat->aid > NUM_STA) { */ + if (pstat->aid > pstapriv->max_num_sta) { + pstat->aid = 0; + + DBG_88E(" no room for more AIDs\n"); + + status = WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA; + + goto OnAssocReqFail; + } else { + pstapriv->sta_aid[pstat->aid - 1] = pstat; + DBG_88E("allocate new AID=(%d)\n", pstat->aid); + } + } + + pstat->state &= (~WIFI_FW_ASSOC_STATE); + pstat->state |= WIFI_FW_ASSOC_SUCCESS; + + spin_lock_bh(&pstapriv->auth_list_lock); + if (!list_empty(&pstat->auth_list)) { + list_del_init(&pstat->auth_list); + pstapriv->auth_list_cnt--; + } + spin_unlock_bh(&pstapriv->auth_list_lock); + + spin_lock_bh(&pstapriv->asoc_list_lock); + if (list_empty(&pstat->asoc_list)) { + pstat->expire_to = pstapriv->expire_to; + list_add_tail(&pstat->asoc_list, &pstapriv->asoc_list); + pstapriv->asoc_list_cnt++; + } + spin_unlock_bh(&pstapriv->asoc_list_lock); + + /* now the station is qualified to join our BSS... */ + if (pstat && (pstat->state & WIFI_FW_ASSOC_SUCCESS) && (_STATS_SUCCESSFUL_ == status)) { + /* 1 bss_cap_update & sta_info_update */ + bss_cap_update_on_sta_join(padapter, pstat); + sta_info_update(padapter, pstat); + + /* issue assoc rsp before notify station join event. */ + if (frame_type == WIFI_ASSOCREQ) + issue_asocrsp(padapter, status, pstat, WIFI_ASSOCRSP); + else + issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP); + + /* 2 - report to upper layer */ + DBG_88E("indicate_sta_join_event to upper layer - hostapd\n"); + rtw_indicate_sta_assoc_event(padapter, pstat); + + /* 3-(1) report sta add event */ + report_add_sta_event(padapter, pstat->hwaddr, pstat->aid); + } + + return _SUCCESS; + +asoc_class2_error: + + issue_deauth(padapter, (void *)GetAddr2Ptr(pframe), status); + + return _FAIL; + +OnAssocReqFail: + + pstat->aid = 0; + if (frame_type == WIFI_ASSOCREQ) + issue_asocrsp(padapter, status, pstat, WIFI_ASSOCRSP); + else + issue_asocrsp(padapter, status, pstat, WIFI_REASSOCRSP); + +#endif /* CONFIG_88EU_AP_MODE */ + + return _FAIL; +} + +static unsigned int OnAssocRsp(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + uint i; + int res; + unsigned short status; + struct ndis_802_11_var_ie *pIE; + 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 *cur_network = &(pmlmeinfo->network); */ + u8 *pframe = precv_frame->rx_data; + uint pkt_len = precv_frame->len; + + DBG_88E("%s\n", __func__); + + /* check A1 matches or not */ + if (memcmp(myid(&(padapter->eeprompriv)), get_da(pframe), ETH_ALEN)) + return _SUCCESS; + + if (!(pmlmeinfo->state & (WIFI_FW_AUTH_SUCCESS | WIFI_FW_ASSOC_STATE))) + return _SUCCESS; + + if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) + return _SUCCESS; + + del_timer_sync(&pmlmeext->link_timer); + + /* status */ + status = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 2)); + if (status > 0) { + DBG_88E("assoc reject, status code: %d\n", status); + pmlmeinfo->state = WIFI_FW_NULL_STATE; + res = -4; + goto report_assoc_result; + } + + /* get capabilities */ + pmlmeinfo->capability = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN)); + + /* set slot time */ + pmlmeinfo->slotTime = (pmlmeinfo->capability & BIT(10)) ? 9 : 20; + + /* AID */ + pmlmeinfo->aid = (int)(le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN + 4))&0x3fff); + res = pmlmeinfo->aid; + + /* following are moved to join event callback function */ + /* to handle HT, WMM, rate adaptive, update MAC reg */ + /* for not to handle the synchronous IO in the tasklet */ + for (i = (6 + WLAN_HDR_A3_LEN); i < pkt_len;) { + pIE = (struct ndis_802_11_var_ie *)(pframe + i); + + switch (pIE->ElementID) { + case _VENDOR_SPECIFIC_IE_: + if (!memcmp(pIE->data, WMM_PARA_OUI, 6)) /* WMM */ + WMM_param_handler(padapter, pIE); + break; + case _HT_CAPABILITY_IE_: /* HT caps */ + HT_caps_handler(padapter, pIE); + break; + case _HT_EXTRA_INFO_IE_: /* HT info */ + HT_info_handler(padapter, pIE); + break; + case _ERPINFO_IE_: + ERP_IE_handler(padapter, pIE); + default: + break; + } + + i += (pIE->Length + 2); + } + + pmlmeinfo->state &= (~WIFI_FW_ASSOC_STATE); + pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS; + + /* Update Basic Rate Table for spec, 2010-12-28 , by thomas */ + UpdateBrateTbl(padapter, pmlmeinfo->network.SupportedRates); + +report_assoc_result: + if (res > 0) { + rtw_buf_update(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len, pframe, pkt_len); + } else { + rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len); + } + + report_join_res(padapter, res); + + return _SUCCESS; +} + +static unsigned int OnDeAuth(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + unsigned short reason; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + u8 *pframe = precv_frame->rx_data; + struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); + + /* check A3 */ + if (memcmp(GetAddr3Ptr(pframe), pnetwork->MacAddress, ETH_ALEN)) + return _SUCCESS; + + reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN)); + + DBG_88E("%s Reason code(%d)\n", __func__, reason); + +#ifdef CONFIG_88EU_AP_MODE + if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { + struct sta_info *psta; + struct sta_priv *pstapriv = &padapter->stapriv; + + DBG_88E_LEVEL(_drv_always_, "ap recv deauth reason code(%d) sta:%pM\n", + reason, GetAddr2Ptr(pframe)); + + psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); + if (psta) { + u8 updated = 0; + + 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_sta(padapter, psta, false, reason); + } + spin_unlock_bh(&pstapriv->asoc_list_lock); + + associated_clients_update(padapter, updated); + } + + + return _SUCCESS; + } else +#endif + { + DBG_88E_LEVEL(_drv_always_, "sta recv deauth reason code(%d) sta:%pM\n", + reason, GetAddr3Ptr(pframe)); + + receive_disconnect(padapter, GetAddr3Ptr(pframe) , reason); + } + pmlmepriv->LinkDetectInfo.bBusyTraffic = false; + return _SUCCESS; +} + +static unsigned int OnDisassoc(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + u16 reason; + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + u8 *pframe = precv_frame->rx_data; + struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); + + /* check A3 */ + if (memcmp(GetAddr3Ptr(pframe), pnetwork->MacAddress, ETH_ALEN)) + return _SUCCESS; + + reason = le16_to_cpu(*(__le16 *)(pframe + WLAN_HDR_A3_LEN)); + + DBG_88E("%s Reason code(%d)\n", __func__, reason); + +#ifdef CONFIG_88EU_AP_MODE + if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { + struct sta_info *psta; + struct sta_priv *pstapriv = &padapter->stapriv; + + DBG_88E_LEVEL(_drv_always_, "ap recv disassoc reason code(%d) sta:%pM\n", + reason, GetAddr2Ptr(pframe)); + + psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); + if (psta) { + u8 updated = 0; + + 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_sta(padapter, psta, false, reason); + } + spin_unlock_bh(&pstapriv->asoc_list_lock); + + associated_clients_update(padapter, updated); + } + + return _SUCCESS; + } else +#endif + { + DBG_88E_LEVEL(_drv_always_, "ap recv disassoc reason code(%d) sta:%pM\n", + reason, GetAddr3Ptr(pframe)); + + receive_disconnect(padapter, GetAddr3Ptr(pframe), reason); + } + pmlmepriv->LinkDetectInfo.bBusyTraffic = false; + return _SUCCESS; +} + +static unsigned int OnAtim(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + DBG_88E("%s\n", __func__); + return _SUCCESS; +} + +static unsigned int on_action_spct(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + struct sta_info *psta = NULL; + struct sta_priv *pstapriv = &padapter->stapriv; + u8 *pframe = precv_frame->rx_data; + u8 *frame_body = (u8 *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr)); + u8 category; + u8 action; + + DBG_88E(FUNC_NDEV_FMT"\n", FUNC_NDEV_ARG(padapter->pnetdev)); + + psta = rtw_get_stainfo(pstapriv, GetAddr2Ptr(pframe)); + + if (!psta) + goto exit; + + category = frame_body[0]; + if (category != RTW_WLAN_CATEGORY_SPECTRUM_MGMT) + goto exit; + + action = frame_body[1]; + switch (action) { + case RTW_WLAN_ACTION_SPCT_MSR_REQ: + case RTW_WLAN_ACTION_SPCT_MSR_RPRT: + case RTW_WLAN_ACTION_SPCT_TPC_REQ: + case RTW_WLAN_ACTION_SPCT_TPC_RPRT: + break; + case RTW_WLAN_ACTION_SPCT_CHL_SWITCH: + break; + default: + break; + } + +exit: + return _FAIL; +} + +static unsigned int OnAction_qos(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + return _SUCCESS; +} + +static unsigned int OnAction_dls(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + return _SUCCESS; +} + +static unsigned int OnAction_back(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + u8 *addr; + struct sta_info *psta = NULL; + struct recv_reorder_ctrl *preorder_ctrl; + unsigned char *frame_body; + unsigned char category, action; + unsigned short tid, status, reason_code = 0; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + u8 *pframe = precv_frame->rx_data; + struct sta_priv *pstapriv = &padapter->stapriv; + /* check RA matches or not */ + if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), + ETH_ALEN))/* for if1, sta/ap mode */ + return _SUCCESS; + + DBG_88E("%s\n", __func__); + + if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE) + if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) + return _SUCCESS; + + addr = GetAddr2Ptr(pframe); + psta = rtw_get_stainfo(pstapriv, addr); + + if (psta == NULL) + return _SUCCESS; + + frame_body = (unsigned char *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr)); + + category = frame_body[0]; + if (category == RTW_WLAN_CATEGORY_BACK) { /* representing Block Ack */ + if (!pmlmeinfo->HT_enable) + return _SUCCESS; + action = frame_body[1]; + DBG_88E("%s, action=%d\n", __func__, action); + switch (action) { + case RTW_WLAN_ACTION_ADDBA_REQ: /* ADDBA request */ + memcpy(&(pmlmeinfo->ADDBA_req), &(frame_body[2]), sizeof(struct ADDBA_request)); + process_addba_req(padapter, (u8 *)&(pmlmeinfo->ADDBA_req), addr); + + if (pmlmeinfo->bAcceptAddbaReq) + issue_action_BA(padapter, addr, RTW_WLAN_ACTION_ADDBA_RESP, 0); + else + issue_action_BA(padapter, addr, RTW_WLAN_ACTION_ADDBA_RESP, 37);/* reject ADDBA Req */ + break; + case RTW_WLAN_ACTION_ADDBA_RESP: /* ADDBA response */ + status = get_unaligned_le16(&frame_body[3]); + tid = (frame_body[5] >> 2) & 0x7; + if (status == 0) { /* successful */ + DBG_88E("agg_enable for TID=%d\n", tid); + psta->htpriv.agg_enable_bitmap |= 1 << tid; + psta->htpriv.candidate_tid_bitmap &= ~BIT(tid); + } else { + psta->htpriv.agg_enable_bitmap &= ~BIT(tid); + } + break; + case RTW_WLAN_ACTION_DELBA: /* DELBA */ + if ((frame_body[3] & BIT(3)) == 0) { + psta->htpriv.agg_enable_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf)); + psta->htpriv.candidate_tid_bitmap &= ~(1 << ((frame_body[3] >> 4) & 0xf)); + reason_code = get_unaligned_le16(&frame_body[4]); + } else if ((frame_body[3] & BIT(3)) == BIT(3)) { + tid = (frame_body[3] >> 4) & 0x0F; + preorder_ctrl = &psta->recvreorder_ctrl[tid]; + preorder_ctrl->enable = false; + preorder_ctrl->indicate_seq = 0xffff; + } + DBG_88E("%s(): DELBA: %x(%x)\n", __func__, pmlmeinfo->agg_enable_bitmap, reason_code); + /* todo: how to notify the host while receiving DELETE BA */ + break; + default: + break; + } + } + return _SUCCESS; +} + +static s32 rtw_action_public_decache(struct recv_frame *recv_frame, s32 token) +{ + struct adapter *adapter = recv_frame->adapter; + struct mlme_ext_priv *mlmeext = &(adapter->mlmeextpriv); + u8 *frame = recv_frame->rx_data; + u16 seq_ctrl = ((recv_frame->attrib.seq_num&0xffff) << 4) | + (recv_frame->attrib.frag_num & 0xf); + + if (GetRetry(frame)) { + if (token >= 0) { + if ((seq_ctrl == mlmeext->action_public_rxseq) && (token == mlmeext->action_public_dialog_token)) { + DBG_88E(FUNC_ADPT_FMT" seq_ctrl = 0x%x, rxseq = 0x%x, token:%d\n", + FUNC_ADPT_ARG(adapter), seq_ctrl, mlmeext->action_public_rxseq, token); + return _FAIL; + } + } else { + if (seq_ctrl == mlmeext->action_public_rxseq) { + DBG_88E(FUNC_ADPT_FMT" seq_ctrl = 0x%x, rxseq = 0x%x\n", + FUNC_ADPT_ARG(adapter), seq_ctrl, mlmeext->action_public_rxseq); + return _FAIL; + } + } + } + + mlmeext->action_public_rxseq = seq_ctrl; + + if (token >= 0) + mlmeext->action_public_dialog_token = token; + + return _SUCCESS; +} + +static unsigned int on_action_public_p2p(struct recv_frame *precv_frame) +{ + u8 *pframe = precv_frame->rx_data; + u8 *frame_body; + u8 dialogToken = 0; + frame_body = (unsigned char *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr)); + + dialogToken = frame_body[7]; + + if (rtw_action_public_decache(precv_frame, dialogToken) == _FAIL) + return _FAIL; + + return _SUCCESS; +} + +static unsigned int on_action_public_vendor(struct recv_frame *precv_frame) +{ + unsigned int ret = _FAIL; + u8 *pframe = precv_frame->rx_data; + u8 *frame_body = pframe + sizeof(struct rtw_ieee80211_hdr_3addr); + + if (!memcmp(frame_body + 2, P2P_OUI, 4)) + ret = on_action_public_p2p(precv_frame); + + return ret; +} + +static unsigned int on_action_public_default(struct recv_frame *precv_frame, u8 action) +{ + unsigned int ret = _FAIL; + u8 *pframe = precv_frame->rx_data; + u8 *frame_body = pframe + sizeof(struct rtw_ieee80211_hdr_3addr); + u8 token; + + token = frame_body[2]; + + if (rtw_action_public_decache(precv_frame, token) == _FAIL) + goto exit; + + ret = _SUCCESS; + +exit: + return ret; +} + +static unsigned int on_action_public(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + unsigned int ret = _FAIL; + u8 *pframe = precv_frame->rx_data; + u8 *frame_body = pframe + sizeof(struct rtw_ieee80211_hdr_3addr); + u8 category, action; + + /* check RA matches or not */ + if (memcmp(myid(&(padapter->eeprompriv)), GetAddr1Ptr(pframe), ETH_ALEN)) + goto exit; + + category = frame_body[0]; + if (category != RTW_WLAN_CATEGORY_PUBLIC) + goto exit; + + action = frame_body[1]; + switch (action) { + case ACT_PUBLIC_VENDOR: + ret = on_action_public_vendor(precv_frame); + break; + default: + ret = on_action_public_default(precv_frame, action); + break; + } + +exit: + return ret; +} + +static unsigned int OnAction_ht(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + return _SUCCESS; +} + +static unsigned int OnAction_wmm(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + return _SUCCESS; +} + +static unsigned int OnAction_p2p(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + return _SUCCESS; +} + +static unsigned int DoReserved(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + return _SUCCESS; +} + +static struct action_handler OnAction_tbl[] = { + {RTW_WLAN_CATEGORY_SPECTRUM_MGMT, "ACTION_SPECTRUM_MGMT", on_action_spct}, + {RTW_WLAN_CATEGORY_QOS, "ACTION_QOS", &OnAction_qos}, + {RTW_WLAN_CATEGORY_DLS, "ACTION_DLS", &OnAction_dls}, + {RTW_WLAN_CATEGORY_BACK, "ACTION_BACK", &OnAction_back}, + {RTW_WLAN_CATEGORY_PUBLIC, "ACTION_PUBLIC", on_action_public}, + {RTW_WLAN_CATEGORY_RADIO_MEASUREMENT, "ACTION_RADIO_MEASUREMENT", &DoReserved}, + {RTW_WLAN_CATEGORY_FT, "ACTION_FT", &DoReserved}, + {RTW_WLAN_CATEGORY_HT, "ACTION_HT", &OnAction_ht}, + {RTW_WLAN_CATEGORY_SA_QUERY, "ACTION_SA_QUERY", &DoReserved}, + {RTW_WLAN_CATEGORY_WMM, "ACTION_WMM", &OnAction_wmm}, + {RTW_WLAN_CATEGORY_P2P, "ACTION_P2P", &OnAction_p2p}, +}; + +static unsigned int OnAction(struct adapter *padapter, + struct recv_frame *precv_frame) +{ + int i; + unsigned char category; + struct action_handler *ptable; + unsigned char *frame_body; + u8 *pframe = precv_frame->rx_data; + + frame_body = (unsigned char *)(pframe + sizeof(struct rtw_ieee80211_hdr_3addr)); + + category = frame_body[0]; + + for (i = 0; i < sizeof(OnAction_tbl)/sizeof(struct action_handler); i++) { + ptable = &OnAction_tbl[i]; + if (category == ptable->num) + ptable->func(padapter, precv_frame); + } + return _SUCCESS; +} + +/**************************************************************************** + +Following are the initialization functions for WiFi MLME + +*****************************************************************************/ + +static struct mlme_handler mlme_sta_tbl[] = { + {WIFI_ASSOCREQ, "OnAssocReq", &OnAssocReq}, + {WIFI_ASSOCRSP, "OnAssocRsp", &OnAssocRsp}, + {WIFI_REASSOCREQ, "OnReAssocReq", &OnAssocReq}, + {WIFI_REASSOCRSP, "OnReAssocRsp", &OnAssocRsp}, + {WIFI_PROBEREQ, "OnProbeReq", &OnProbeReq}, + {WIFI_PROBERSP, "OnProbeRsp", &OnProbeRsp}, + + /*---------------------------------------------------------- + below 2 are reserved + -----------------------------------------------------------*/ + {0, "DoReserved", &DoReserved}, + {0, "DoReserved", &DoReserved}, + {WIFI_BEACON, "OnBeacon", &OnBeacon}, + {WIFI_ATIM, "OnATIM", &OnAtim}, + {WIFI_DISASSOC, "OnDisassoc", &OnDisassoc}, + {WIFI_AUTH, "OnAuth", &OnAuthClient}, + {WIFI_DEAUTH, "OnDeAuth", &OnDeAuth}, + {WIFI_ACTION, "OnAction", &OnAction}, +}; + +int init_hw_mlme_ext(struct adapter *padapter) +{ + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + + set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); + return _SUCCESS; +} + +static void init_mlme_ext_priv_value(struct adapter *padapter) +{ + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + unsigned char mixed_datarate[NumRates] = { + _1M_RATE_, _2M_RATE_, _5M_RATE_, _11M_RATE_, _6M_RATE_, + _9M_RATE_, _12M_RATE_, _18M_RATE_, _24M_RATE_, _36M_RATE_, + _48M_RATE_, _54M_RATE_, 0xff + }; + unsigned char mixed_basicrate[NumRates] = { + _1M_RATE_, _2M_RATE_, _5M_RATE_, _11M_RATE_, _6M_RATE_, + _12M_RATE_, _24M_RATE_, 0xff, + }; + + atomic_set(&pmlmeext->event_seq, 0); + pmlmeext->mgnt_seq = 0;/* reset to zero when disconnect at client mode */ + + pmlmeext->cur_channel = padapter->registrypriv.channel; + pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20; + pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; + pmlmeext->oper_channel = pmlmeext->cur_channel; + pmlmeext->oper_bwmode = pmlmeext->cur_bwmode; + pmlmeext->oper_ch_offset = pmlmeext->cur_ch_offset; + pmlmeext->retry = 0; + + pmlmeext->cur_wireless_mode = padapter->registrypriv.wireless_mode; + + memcpy(pmlmeext->datarate, mixed_datarate, NumRates); + memcpy(pmlmeext->basicrate, mixed_basicrate, NumRates); + + pmlmeext->tx_rate = IEEE80211_CCK_RATE_1MB; + + pmlmeext->sitesurvey_res.state = SCAN_DISABLE; + pmlmeext->sitesurvey_res.channel_idx = 0; + pmlmeext->sitesurvey_res.bss_cnt = 0; + pmlmeext->scan_abort = false; + + pmlmeinfo->state = WIFI_FW_NULL_STATE; + pmlmeinfo->reauth_count = 0; + pmlmeinfo->reassoc_count = 0; + pmlmeinfo->link_count = 0; + pmlmeinfo->auth_seq = 0; + pmlmeinfo->auth_algo = dot11AuthAlgrthm_Open; + pmlmeinfo->key_index = 0; + pmlmeinfo->iv = 0; + + pmlmeinfo->enc_algo = _NO_PRIVACY_; + pmlmeinfo->authModeToggle = 0; + + memset(pmlmeinfo->chg_txt, 0, 128); + + pmlmeinfo->slotTime = SHORT_SLOT_TIME; + pmlmeinfo->preamble_mode = PREAMBLE_AUTO; + + pmlmeinfo->dialogToken = 0; + + pmlmeext->action_public_rxseq = 0xffff; + pmlmeext->action_public_dialog_token = 0xff; +} + +static int has_channel(struct rt_channel_info *channel_set, + u8 chanset_size, + u8 chan) { + int i; + + for (i = 0; i < chanset_size; i++) { + if (channel_set[i].ChannelNum == chan) + return 1; + } + return 0; +} + +static void init_channel_list(struct adapter *padapter, struct rt_channel_info *channel_set, + u8 chanset_size, + struct p2p_channels *channel_list) { + struct p2p_oper_class_map op_class[] = { + { IEEE80211G, 81, 1, 13, 1, BW20 }, + { IEEE80211G, 82, 14, 14, 1, BW20 }, + { -1, 0, 0, 0, 0, BW20 } + }; + + int cla, op; + + cla = 0; + + for (op = 0; op_class[op].op_class; op++) { + u8 ch; + struct p2p_oper_class_map *o = &op_class[op]; + struct p2p_reg_class *reg = NULL; + + for (ch = o->min_chan; ch <= o->max_chan; ch += o->inc) { + if (!has_channel(channel_set, chanset_size, ch)) { + continue; + } + + if ((0 == padapter->registrypriv.ht_enable) && (8 == o->inc)) + continue; + + if ((0 == (padapter->registrypriv.cbw40_enable & BIT(1))) && + ((BW40MINUS == o->bw) || (BW40PLUS == o->bw))) + continue; + + if (reg == NULL) { + reg = &channel_list->reg_class[cla]; + cla++; + reg->reg_class = o->op_class; + reg->channels = 0; + } + reg->channel[reg->channels] = ch; + reg->channels++; + } + } + channel_list->reg_classes = cla; +} + +static u8 init_channel_set(struct adapter *padapter, u8 ChannelPlan, struct rt_channel_info *channel_set) +{ + u8 index, chanset_size = 0; + u8 b2_4GBand = false; + u8 Index2G = 0; + + memset(channel_set, 0, sizeof(struct rt_channel_info) * MAX_CHANNEL_NUM); + + if (ChannelPlan >= RT_CHANNEL_DOMAIN_MAX && ChannelPlan != RT_CHANNEL_DOMAIN_REALTEK_DEFINE) { + DBG_88E("ChannelPlan ID %x error !!!!!\n", ChannelPlan); + return chanset_size; + } + + if (padapter->registrypriv.wireless_mode & WIRELESS_11G) { + b2_4GBand = true; + if (RT_CHANNEL_DOMAIN_REALTEK_DEFINE == ChannelPlan) + Index2G = RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE.Index2G; + else + Index2G = RTW_ChannelPlanMap[ChannelPlan].Index2G; + } + + if (b2_4GBand) { + for (index = 0; index < RTW_ChannelPlan2G[Index2G].Len; index++) { + channel_set[chanset_size].ChannelNum = RTW_ChannelPlan2G[Index2G].Channel[index]; + + if ((RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN == ChannelPlan) ||/* Channel 1~11 is active, and 12~14 is passive */ + (RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN_2G == ChannelPlan)) { + if (channel_set[chanset_size].ChannelNum >= 1 && channel_set[chanset_size].ChannelNum <= 11) + channel_set[chanset_size].ScanType = SCAN_ACTIVE; + else if ((channel_set[chanset_size].ChannelNum >= 12 && channel_set[chanset_size].ChannelNum <= 14)) + channel_set[chanset_size].ScanType = SCAN_PASSIVE; + } else if (RT_CHANNEL_DOMAIN_WORLD_WIDE_13 == ChannelPlan || + RT_CHANNEL_DOMAIN_2G_WORLD == Index2G) {/* channel 12~13, passive scan */ + if (channel_set[chanset_size].ChannelNum <= 11) + channel_set[chanset_size].ScanType = SCAN_ACTIVE; + else + channel_set[chanset_size].ScanType = SCAN_PASSIVE; + } else { + channel_set[chanset_size].ScanType = SCAN_ACTIVE; + } + + chanset_size++; + } + } + return chanset_size; +} + +int init_mlme_ext_priv(struct adapter *padapter) +{ + struct registry_priv *pregistrypriv = &padapter->registrypriv; + struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; + struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); + struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); + + pmlmeext->padapter = padapter; + + init_mlme_ext_priv_value(padapter); + pmlmeinfo->bAcceptAddbaReq = pregistrypriv->bAcceptAddbaReq; + + init_mlme_ext_timer(padapter); + +#ifdef CONFIG_88EU_AP_MODE + init_mlme_ap_info(padapter); +#endif + + pmlmeext->max_chan_nums = init_channel_set(padapter, pmlmepriv->ChannelPlan, pmlmeext->channel_set); + init_channel_list(padapter, pmlmeext->channel_set, pmlmeext->max_chan_nums, &pmlmeext->channel_list); + + pmlmeext->chan_scan_time = SURVEY_TO; + pmlmeext->mlmeext_init = true; + + + pmlmeext->active_keep_alive_check = true; + + return _SUCCESS; +} + +void free_mlme_ext_priv(struct mlme_ext_priv *pmlmeext) +{ + struct adapter *padapter = pmlmeext->padapter; + + if (!padapter) + return; + + if (padapter->bDriverStopped) { + del_timer_sync(&pmlmeext->survey_timer); + del_timer_sync(&pmlmeext->link_timer); + } +} + +static void _mgt_dispatcher(struct adapter *padapter, struct mlme_handler *ptable, struct recv_frame *precv_frame) +{ + u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + u8 *pframe = precv_frame->rx_data; + + if (ptable->func) { + /* receive the frames that ra(a1) is my address or ra(a1) is bc address. */ + if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) && + memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN)) + return; + ptable->func(padapter, precv_frame); + } +} + +void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame) +{ + int index; + struct mlme_handler *ptable; +#ifdef CONFIG_88EU_AP_MODE + struct mlme_priv *pmlmepriv = &padapter->mlmepriv; +#endif /* CONFIG_88EU_AP_MODE */ + u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; + u8 *pframe = precv_frame->rx_data; + struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, GetAddr2Ptr(pframe)); + + RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, + ("+mgt_dispatcher: type(0x%x) subtype(0x%x)\n", + GetFrameType(pframe), GetFrameSubType(pframe))); + + if (GetFrameType(pframe) != WIFI_MGT_TYPE) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("mgt_dispatcher: type(0x%x) error!\n", GetFrameType(pframe))); + return; + } + + /* receive the frames that ra(a1) is my address or ra(a1) is bc address. */ + if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) && + memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN)) + return; + + ptable = mlme_sta_tbl; + + index = GetFrameSubType(pframe) >> 4; + + if (index > 13) { + RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Currently we do not support reserved sub-fr-type=%d\n", index)); + return; + } + ptable += index; + + if (psta != NULL) { + if (GetRetry(pframe)) { + if (precv_frame->attrib.seq_num == + psta->RxMgmtFrameSeqNum) { + /* drop the duplicate management frame */ + DBG_88E("Drop duplicate management frame with seq_num=%d.\n", + precv_frame->attrib.seq_num); + return; + } + } + psta->RxMgmtFrameSeqNum = precv_frame->attrib.seq_num; + } + +#ifdef CONFIG_88EU_AP_MODE + switch (GetFrameSubType(pframe)) { + case WIFI_AUTH: + if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) + ptable->func = &OnAuth; + else + ptable->func = &OnAuthClient; + /* fall through */ + case WIFI_ASSOCREQ: + case WIFI_REASSOCREQ: + case WIFI_PROBEREQ: + case WIFI_BEACON: + case WIFI_ACTION: + _mgt_dispatcher(padapter, ptable, precv_frame); + break; + default: + _mgt_dispatcher(padapter, ptable, precv_frame); + break; + } +#else + _mgt_dispatcher(padapter, ptable, precv_frame); +#endif +} + +/**************************************************************************** + Following are the functions to report events *****************************************************************************/ |