/****************************************************************************** * * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License along with * this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA * * ******************************************************************************/ #define _RTW_MLME_EXT_C_ #include #include #include #include #include #include #include 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}; /************************************************** OUI definitions for the vendor specific IE ***************************************************/ unsigned char RTW_WPA_OUI[] = {0x00, 0x50, 0xf2, 0x01}; unsigned char WMM_OUI[] = {0x00, 0x50, 0xf2, 0x02}; unsigned char WPS_OUI[] = {0x00, 0x50, 0xf2, 0x04}; unsigned char P2P_OUI[] = {0x50, 0x6F, 0x9A, 0x09}; unsigned char WFD_OUI[] = {0x50, 0x6F, 0x9A, 0x0A}; unsigned char WMM_INFO_OUI[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01}; unsigned char WMM_PARA_OUI[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01}; unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02}; unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02}; extern unsigned char REALTEK_96B_IE[]; /******************************************************** MCS rate definitions *********************************************************/ unsigned char MCS_rate_2R[16] = {0xff, 0xff, 0x0, 0x0, 0x01, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; unsigned char MCS_rate_1R[16] = {0xff, 0x00, 0x0, 0x0, 0x01, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}; /******************************************************** ChannelPlan definitions *********************************************************/ static struct rt_channel_plan_2g RTW_ChannelPlan2G[RT_CHANNEL_DOMAIN_2G_MAX] = { {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, /* 0x00, RT_CHANNEL_DOMAIN_2G_WORLD , Passive scan CH 12, 13 */ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 13}, /* 0x01, RT_CHANNEL_DOMAIN_2G_ETSI1 */ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}, 11}, /* 0x02, RT_CHANNEL_DOMAIN_2G_FCC1 */ {{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14}, 14}, /* 0x03, RT_CHANNEL_DOMAIN_2G_MIKK1 */ {{10, 11, 12, 13}, 4}, /* 0x04, RT_CHANNEL_DOMAIN_2G_ETSI2 */ {{}, 0}, /* 0x05, RT_CHANNEL_DOMAIN_2G_NULL */ }; static struct rt_channel_plan_map RTW_ChannelPlanMap[RT_CHANNEL_DOMAIN_MAX] = { /* 0x00 ~ 0x1F , Old Define ===== */ {0x02}, /* 0x00, RT_CHANNEL_DOMAIN_FCC */ {0x02}, /* 0x01, RT_CHANNEL_DOMAIN_IC */ {0x01}, /* 0x02, RT_CHANNEL_DOMAIN_ETSI */ {0x01}, /* 0x03, RT_CHANNEL_DOMAIN_SPAIN */ {0x01}, /* 0x04, RT_CHANNEL_DOMAIN_FRANCE */ {0x03}, /* 0x05, RT_CHANNEL_DOMAIN_MKK */ {0x03}, /* 0x06, RT_CHANNEL_DOMAIN_MKK1 */ {0x01}, /* 0x07, RT_CHANNEL_DOMAIN_ISRAEL */ {0x03}, /* 0x08, RT_CHANNEL_DOMAIN_TELEC */ {0x03}, /* 0x09, RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN */ {0x00}, /* 0x0A, RT_CHANNEL_DOMAIN_WORLD_WIDE_13 */ {0x02}, /* 0x0B, RT_CHANNEL_DOMAIN_TAIWAN */ {0x01}, /* 0x0C, RT_CHANNEL_DOMAIN_CHINA */ {0x02}, /* 0x0D, RT_CHANNEL_DOMAIN_SINGAPORE_INDIA_MEXICO */ {0x02}, /* 0x0E, RT_CHANNEL_DOMAIN_KOREA */ {0x02}, /* 0x0F, RT_CHANNEL_DOMAIN_TURKEY */ {0x01}, /* 0x10, RT_CHANNEL_DOMAIN_JAPAN */ {0x02}, /* 0x11, RT_CHANNEL_DOMAIN_FCC_NO_DFS */ {0x01}, /* 0x12, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */ {0x00}, /* 0x13, RT_CHANNEL_DOMAIN_WORLD_WIDE_5G */ {0x02}, /* 0x14, RT_CHANNEL_DOMAIN_TAIWAN_NO_DFS */ {0x00}, /* 0x15, RT_CHANNEL_DOMAIN_ETSI_NO_DFS */ {0x00}, /* 0x16, RT_CHANNEL_DOMAIN_KOREA_NO_DFS */ {0x03}, /* 0x17, RT_CHANNEL_DOMAIN_JAPAN_NO_DFS */ {0x05}, /* 0x18, RT_CHANNEL_DOMAIN_PAKISTAN_NO_DFS */ {0x02}, /* 0x19, RT_CHANNEL_DOMAIN_TAIWAN2_NO_DFS */ {0x00}, /* 0x1A, */ {0x00}, /* 0x1B, */ {0x00}, /* 0x1C, */ {0x00}, /* 0x1D, */ {0x00}, /* 0x1E, */ {0x05}, /* 0x1F, RT_CHANNEL_DOMAIN_WORLD_WIDE_ONLY_5G */ /* 0x20 ~ 0x7F , New Define ===== */ {0x00}, /* 0x20, RT_CHANNEL_DOMAIN_WORLD_NULL */ {0x01}, /* 0x21, RT_CHANNEL_DOMAIN_ETSI1_NULL */ {0x02}, /* 0x22, RT_CHANNEL_DOMAIN_FCC1_NULL */ {0x03}, /* 0x23, RT_CHANNEL_DOMAIN_MKK1_NULL */ {0x04}, /* 0x24, RT_CHANNEL_DOMAIN_ETSI2_NULL */ {0x02}, /* 0x25, RT_CHANNEL_DOMAIN_FCC1_FCC1 */ {0x00}, /* 0x26, RT_CHANNEL_DOMAIN_WORLD_ETSI1 */ {0x03}, /* 0x27, RT_CHANNEL_DOMAIN_MKK1_MKK1 */ {0x00}, /* 0x28, RT_CHANNEL_DOMAIN_WORLD_KCC1 */ {0x00}, /* 0x29, RT_CHANNEL_DOMAIN_WORLD_FCC2 */ {0x00}, /* 0x2A, */ {0x00}, /* 0x2B, */ {0x00}, /* 0x2C, */ {0x00}, /* 0x2D, */ {0x00}, /* 0x2E, */ {0x00}, /* 0x2F, */ {0x00}, /* 0x30, RT_CHANNEL_DOMAIN_WORLD_FCC3 */ {0x00}, /* 0x31, RT_CHANNEL_DOMAIN_WORLD_FCC4 */ {0x00}, /* 0x32, RT_CHANNEL_DOMAIN_WORLD_FCC5 */ {0x00}, /* 0x33, RT_CHANNEL_DOMAIN_WORLD_FCC6 */ {0x02}, /* 0x34, RT_CHANNEL_DOMAIN_FCC1_FCC7 */ {0x00}, /* 0x35, RT_CHANNEL_DOMAIN_WORLD_ETSI2 */ {0x00}, /* 0x36, RT_CHANNEL_DOMAIN_WORLD_ETSI3 */ {0x03}, /* 0x37, RT_CHANNEL_DOMAIN_MKK1_MKK2 */ {0x03}, /* 0x38, RT_CHANNEL_DOMAIN_MKK1_MKK3 */ {0x02}, /* 0x39, RT_CHANNEL_DOMAIN_FCC1_NCC1 */ {0x00}, /* 0x3A, */ {0x00}, /* 0x3B, */ {0x00}, /* 0x3C, */ {0x00}, /* 0x3D, */ {0x00}, /* 0x3E, */ {0x00}, /* 0x3F, */ {0x02}, /* 0x40, RT_CHANNEL_DOMAIN_FCC1_NCC2 */ {0x03}, /* 0x41, RT_CHANNEL_DOMAIN_GLOBAL_DOAMIN_2G */ }; static struct rt_channel_plan_map RTW_CHANNEL_PLAN_MAP_REALTEK_DEFINE = {0x03}; /* use the combination for max channel numbers */ /* * Search the @param channel_num in given @param channel_set * @ch_set: the given channel set * @ch: the given channel number * * return the index of channel_num in channel_set, -1 if not found */ int rtw_ch_set_search_ch(struct rt_channel_info *ch_set, const u32 ch) { int i; for (i = 0; ch_set[i].ChannelNum != 0; i++) { if (ch == ch_set[i].ChannelNum) break; } if (i >= ch_set[i].ChannelNum) return -1; 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) { int res = _SUCCESS; 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 res; } 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: _mgt_dispatcher(padapter, ptable, precv_frame); break; case WIFI_PROBEREQ: if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) _mgt_dispatcher(padapter, ptable, precv_frame); else _mgt_dispatcher(padapter, ptable, precv_frame); break; case WIFI_BEACON: _mgt_dispatcher(padapter, ptable, precv_frame); break; 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; if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) { report_survey_event(padapter, precv_frame); return _SUCCESS; } if (!memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), 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 == (struct sta_info *)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; /* check A3 */ if (memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), 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; /* check A3 */ if (memcmp(GetAddr3Ptr(pframe), get_my_bssid(&pmlmeinfo->network), 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) { unsigned int ret = _FAIL; 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 ret; } 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; struct xmit_buf *pxmitbuf; pmgntframe = rtw_alloc_xmitframe(pxmitpriv); if (pmgntframe == NULL) { DBG_88E("%s, alloc xmitframe fail\n", __func__); return NULL; } pxmitbuf = rtw_alloc_xmitbuf_ext(pxmitpriv); if (pxmitbuf == NULL) { DBG_88E("%s, alloc xmitbuf fail\n", __func__); rtw_free_xmitframe(pxmitpriv, pmgntframe); return NULL; } pmgntframe->frame_tag = MGNT_FRAMETAG; pmgntframe->pxmitbuf = pxmitbuf; pmgntframe->buf_addr = pxmitbuf->pbuf; pxmitbuf->priv_data = pmgntframe; return pmgntframe; } /**************************************************************************** Following are some TX functions for WiFi MLME *****************************************************************************/ void update_mgnt_tx_rate(struct adapter *padapter, u8 rate) { struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); pmlmeext->tx_rate = rate; DBG_88E("%s(): rate = %x\n", __func__, rate); } void update_mgntframe_attrib(struct adapter *padapter, struct pkt_attrib *pattrib) { struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); memset((u8 *)(pattrib), 0, sizeof(struct pkt_attrib)); pattrib->hdrlen = 24; pattrib->nr_frags = 1; pattrib->priority = 7; pattrib->mac_id = 0; pattrib->qsel = 0x12; pattrib->pktlen = 0; if (pmlmeext->cur_wireless_mode & WIRELESS_11B) pattrib->raid = 6;/* b mode */ else pattrib->raid = 5;/* a/g mode */ pattrib->encrypt = _NO_PRIVACY_; pattrib->bswenc = false; pattrib->qos_en = false; pattrib->ht_en = false; pattrib->bwmode = HT_CHANNEL_WIDTH_20; pattrib->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; pattrib->sgi = false; pattrib->seqnum = pmlmeext->mgnt_seq; pattrib->retry_ctrl = true; } void dump_mgntframe(struct adapter *padapter, struct xmit_frame *pmgntframe) { if (padapter->bSurpriseRemoved || padapter->bDriverStopped) return; rtw_hal_mgnt_xmit(padapter, pmgntframe); } s32 dump_mgntframe_and_wait(struct adapter *padapter, struct xmit_frame *pmgntframe, int timeout_ms) { s32 ret = _FAIL; struct xmit_buf *pxmitbuf = pmgntframe->pxmitbuf; struct submit_ctx sctx; if (padapter->bSurpriseRemoved || padapter->bDriverStopped) return ret; rtw_sctx_init(&sctx, timeout_ms); pxmitbuf->sctx = &sctx; ret = rtw_hal_mgnt_xmit(padapter, pmgntframe); if (ret == _SUCCESS) ret = rtw_sctx_wait(&sctx); return ret; } s32 dump_mgntframe_and_wait_ack(struct adapter *padapter, struct xmit_frame *pmgntframe) { s32 ret = _FAIL; u32 timeout_ms = 500;/* 500ms */ struct xmit_priv *pxmitpriv = &padapter->xmitpriv; if (padapter->bSurpriseRemoved || padapter->bDriverStopped) return -1; _enter_critical_mutex(&pxmitpriv->ack_tx_mutex, NULL); pxmitpriv->ack_tx = true; pmgntframe->ack_report = 1; if (rtw_hal_mgnt_xmit(padapter, pmgntframe) == _SUCCESS) { ret = rtw_ack_tx_wait(pxmitpriv, timeout_ms); } pxmitpriv->ack_tx = false; mutex_unlock(&pxmitpriv->ack_tx_mutex); return ret; } static int update_hidden_ssid(u8 *ies, u32 ies_len, u8 hidden_ssid_mode) { u8 *ssid_ie; int ssid_len_ori; int len_diff = 0; ssid_ie = rtw_get_ie(ies, WLAN_EID_SSID, &ssid_len_ori, ies_len); if (ssid_ie && ssid_len_ori > 0) { switch (hidden_ssid_mode) { case 1: { u8 *next_ie = ssid_ie + 2 + ssid_len_ori; u32 remain_len = 0; remain_len = ies_len - (next_ie - ies); ssid_ie[1] = 0; memcpy(ssid_ie+2, next_ie, remain_len); len_diff -= ssid_len_ori; break; } case 2: memset(&ssid_ie[2], 0, ssid_len_ori); break; default: break; } } return len_diff; } void issue_beacon(struct adapter *padapter, int timeout_ms) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; unsigned int rate_len; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); 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 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) { DBG_88E("%s, alloc mgnt frame fail\n", __func__); return; } #if defined (CONFIG_88EU_AP_MODE) spin_lock_bh(&pmlmepriv->bcn_update_lock); #endif /* if defined (CONFIG_88EU_AP_MODE) */ /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); pattrib->qsel = 0x10; memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN); memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); memcpy(pwlanhdr->addr3, get_my_bssid(cur_network), ETH_ALEN); SetSeqNum(pwlanhdr, 0/*pmlmeext->mgnt_seq*/); /* pmlmeext->mgnt_seq++; */ SetFrameSubType(pframe, WIFI_BEACON); pframe += sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->pktlen = sizeof (struct rtw_ieee80211_hdr_3addr); if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) { int len_diff; u8 *wps_ie; uint wps_ielen; u8 sr = 0; memcpy(pframe, cur_network->IEs, cur_network->IELength); len_diff = update_hidden_ssid( pframe+_BEACON_IE_OFFSET_ , cur_network->IELength-_BEACON_IE_OFFSET_ , pmlmeinfo->hidden_ssid_mode ); pframe += (cur_network->IELength+len_diff); pattrib->pktlen += (cur_network->IELength+len_diff); wps_ie = rtw_get_wps_ie(pmgntframe->buf_addr+TXDESC_OFFSET+sizeof (struct rtw_ieee80211_hdr_3addr)+_BEACON_IE_OFFSET_, pattrib->pktlen-sizeof (struct rtw_ieee80211_hdr_3addr)-_BEACON_IE_OFFSET_, NULL, &wps_ielen); if (wps_ie && wps_ielen > 0) rtw_get_wps_attr_content(wps_ie, wps_ielen, WPS_ATTR_SELECTED_REGISTRAR, (u8 *)(&sr), NULL); if (sr != 0) set_fwstate(pmlmepriv, WIFI_UNDER_WPS); else _clr_fwstate_(pmlmepriv, WIFI_UNDER_WPS); goto _issue_bcn; } /* below for ad-hoc mode */ /* timestamp will be inserted by hardware */ pframe += 8; pattrib->pktlen += 8; /* beacon interval: 2 bytes */ memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->IEs)), 2); pframe += 2; pattrib->pktlen += 2; /* capability info: 2 bytes */ memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->IEs)), 2); pframe += 2; pattrib->pktlen += 2; /* SSID */ pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->Ssid.SsidLength, cur_network->Ssid.Ssid, &pattrib->pktlen); /* supported rates... */ rate_len = rtw_get_rateset_len(cur_network->SupportedRates); pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, ((rate_len > 8) ? 8 : rate_len), cur_network->SupportedRates, &pattrib->pktlen); /* DS parameter set */ pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&(cur_network->Configuration.DSConfig), &pattrib->pktlen); { u8 erpinfo = 0; u32 ATIMWindow; /* IBSS Parameter Set... */ ATIMWindow = 0; pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pattrib->pktlen); /* ERP IE */ pframe = rtw_set_ie(pframe, _ERPINFO_IE_, 1, &erpinfo, &pattrib->pktlen); } /* EXTERNDED SUPPORTED RATE */ if (rate_len > 8) pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pattrib->pktlen); /* todo:HT for adhoc */ _issue_bcn: #if defined (CONFIG_88EU_AP_MODE) pmlmepriv->update_bcn = false; spin_unlock_bh(&pmlmepriv->bcn_update_lock); #endif /* if defined (CONFIG_88EU_AP_MODE) */ if ((pattrib->pktlen + TXDESC_SIZE) > 512) { DBG_88E("beacon frame too large\n"); return; } pattrib->last_txcmdsz = pattrib->pktlen; /* DBG_88E("issue bcn_sz=%d\n", pattrib->last_txcmdsz); */ if (timeout_ms > 0) dump_mgntframe_and_wait(padapter, pmgntframe, timeout_ms); else dump_mgntframe(padapter, pmgntframe); } void issue_probersp(struct adapter *padapter, unsigned char *da, u8 is_valid_p2p_probereq) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; unsigned char *mac, *bssid; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); #if defined (CONFIG_88EU_AP_MODE) u8 *pwps_ie; uint wps_ielen; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; #endif /* if defined (CONFIG_88EU_AP_MODE) */ struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); unsigned int rate_len; pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) { DBG_88E("%s, alloc mgnt frame fail\n", __func__); return; } /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; mac = myid(&(padapter->eeprompriv)); bssid = cur_network->MacAddress; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; memcpy(pwlanhdr->addr1, da, ETH_ALEN); memcpy(pwlanhdr->addr2, mac, ETH_ALEN); memcpy(pwlanhdr->addr3, bssid, ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(fctrl, WIFI_PROBERSP); pattrib->hdrlen = sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->pktlen = pattrib->hdrlen; pframe += pattrib->hdrlen; if (cur_network->IELength > MAX_IE_SZ) return; #if defined(CONFIG_88EU_AP_MODE) if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) { pwps_ie = rtw_get_wps_ie(cur_network->IEs+_FIXED_IE_LENGTH_, cur_network->IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen); /* inerset & update wps_probe_resp_ie */ if ((pmlmepriv->wps_probe_resp_ie != NULL) && pwps_ie && (wps_ielen > 0)) { uint wps_offset, remainder_ielen; u8 *premainder_ie; wps_offset = (uint)(pwps_ie - cur_network->IEs); premainder_ie = pwps_ie + wps_ielen; remainder_ielen = cur_network->IELength - wps_offset - wps_ielen; memcpy(pframe, cur_network->IEs, wps_offset); pframe += wps_offset; pattrib->pktlen += wps_offset; wps_ielen = (uint)pmlmepriv->wps_probe_resp_ie[1];/* to get ie data len */ if ((wps_offset+wps_ielen+2) <= MAX_IE_SZ) { memcpy(pframe, pmlmepriv->wps_probe_resp_ie, wps_ielen+2); pframe += wps_ielen+2; pattrib->pktlen += wps_ielen+2; } if ((wps_offset+wps_ielen+2+remainder_ielen) <= MAX_IE_SZ) { memcpy(pframe, premainder_ie, remainder_ielen); pframe += remainder_ielen; pattrib->pktlen += remainder_ielen; } } else { memcpy(pframe, cur_network->IEs, cur_network->IELength); pframe += cur_network->IELength; pattrib->pktlen += cur_network->IELength; } } else #endif { /* timestamp will be inserted by hardware */ pframe += 8; pattrib->pktlen += 8; /* beacon interval: 2 bytes */ memcpy(pframe, (unsigned char *)(rtw_get_beacon_interval_from_ie(cur_network->IEs)), 2); pframe += 2; pattrib->pktlen += 2; /* capability info: 2 bytes */ memcpy(pframe, (unsigned char *)(rtw_get_capability_from_ie(cur_network->IEs)), 2); pframe += 2; pattrib->pktlen += 2; /* below for ad-hoc mode */ /* SSID */ pframe = rtw_set_ie(pframe, _SSID_IE_, cur_network->Ssid.SsidLength, cur_network->Ssid.Ssid, &pattrib->pktlen); /* supported rates... */ rate_len = rtw_get_rateset_len(cur_network->SupportedRates); pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, ((rate_len > 8) ? 8 : rate_len), cur_network->SupportedRates, &pattrib->pktlen); /* DS parameter set */ pframe = rtw_set_ie(pframe, _DSSET_IE_, 1, (unsigned char *)&(cur_network->Configuration.DSConfig), &pattrib->pktlen); if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) { u8 erpinfo = 0; u32 ATIMWindow; /* IBSS Parameter Set... */ /* ATIMWindow = cur->Configuration.ATIMWindow; */ ATIMWindow = 0; pframe = rtw_set_ie(pframe, _IBSS_PARA_IE_, 2, (unsigned char *)(&ATIMWindow), &pattrib->pktlen); /* ERP IE */ pframe = rtw_set_ie(pframe, _ERPINFO_IE_, 1, &erpinfo, &pattrib->pktlen); } /* EXTERNDED SUPPORTED RATE */ if (rate_len > 8) pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (rate_len - 8), (cur_network->SupportedRates + 8), &pattrib->pktlen); /* todo:HT for adhoc */ } pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); return; } static int _issue_probereq(struct adapter *padapter, struct ndis_802_11_ssid *pssid, u8 *da, int wait_ack) { int ret = _FAIL; struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; unsigned char *mac; unsigned char bssrate[NumRates]; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); int bssrate_len = 0; u8 bc_addr[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+issue_probereq\n")); pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) goto exit; /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; mac = myid(&(padapter->eeprompriv)); fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; if (da) { /* unicast probe request frame */ memcpy(pwlanhdr->addr1, da, ETH_ALEN); memcpy(pwlanhdr->addr3, da, ETH_ALEN); } else { /* broadcast probe request frame */ memcpy(pwlanhdr->addr1, bc_addr, ETH_ALEN); memcpy(pwlanhdr->addr3, bc_addr, ETH_ALEN); } memcpy(pwlanhdr->addr2, mac, ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_PROBEREQ); pframe += sizeof (struct rtw_ieee80211_hdr_3addr); pattrib->pktlen = sizeof (struct rtw_ieee80211_hdr_3addr); if (pssid) pframe = rtw_set_ie(pframe, _SSID_IE_, pssid->SsidLength, pssid->Ssid, &(pattrib->pktlen)); else pframe = rtw_set_ie(pframe, _SSID_IE_, 0, NULL, &(pattrib->pktlen)); get_rate_set(padapter, bssrate, &bssrate_len); if (bssrate_len > 8) { pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_ , 8, bssrate, &(pattrib->pktlen)); pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_ , (bssrate_len - 8), (bssrate + 8), &(pattrib->pktlen)); } else { pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_ , bssrate_len , bssrate, &(pattrib->pktlen)); } /* add wps_ie for wps2.0 */ if (pmlmepriv->wps_probe_req_ie_len > 0 && pmlmepriv->wps_probe_req_ie) { memcpy(pframe, pmlmepriv->wps_probe_req_ie, pmlmepriv->wps_probe_req_ie_len); pframe += pmlmepriv->wps_probe_req_ie_len; pattrib->pktlen += pmlmepriv->wps_probe_req_ie_len; } pattrib->last_txcmdsz = pattrib->pktlen; RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("issuing probe_req, tx_len=%d\n", pattrib->last_txcmdsz)); if (wait_ack) { ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe); } else { dump_mgntframe(padapter, pmgntframe); ret = _SUCCESS; } exit: return ret; } 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) { int ret; int i = 0; u32 start = jiffies; do { ret = _issue_probereq(padapter, pssid, da, wait_ms > 0 ? true : false); i++; if (padapter->bDriverStopped || padapter->bSurpriseRemoved) break; if (i < try_cnt && wait_ms > 0 && ret == _FAIL) msleep(wait_ms); } while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0))); if (ret != _FAIL) { ret = _SUCCESS; goto exit; } if (try_cnt && wait_ms) { if (da) DBG_88E(FUNC_ADPT_FMT" to %pM, ch:%u%s, %d/%d in %u ms\n", FUNC_ADPT_ARG(padapter), da, rtw_get_oper_ch(padapter), ret == _SUCCESS ? ", acked" : "", i, try_cnt, rtw_get_passing_time_ms(start)); else DBG_88E(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n", FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter), ret == _SUCCESS ? ", acked" : "", i, try_cnt, rtw_get_passing_time_ms(start)); } exit: return ret; } /* if psta == NULL, indicate we are station(client) now... */ void issue_auth(struct adapter *padapter, struct sta_info *psta, unsigned short status) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; unsigned int val32; u16 val16; #ifdef CONFIG_88EU_AP_MODE __le16 le_val16; #endif int use_shared_key = 0; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) return; /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_AUTH); pframe += sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr); if (psta) {/* for AP mode */ #ifdef CONFIG_88EU_AP_MODE memcpy(pwlanhdr->addr1, psta->hwaddr, ETH_ALEN); memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); memcpy(pwlanhdr->addr3, myid(&(padapter->eeprompriv)), ETH_ALEN); /* setting auth algo number */ val16 = (u16)psta->authalg; if (status != _STATS_SUCCESSFUL_) val16 = 0; if (val16) { le_val16 = cpu_to_le16(val16); use_shared_key = 1; } else { le_val16 = 0; } pframe = rtw_set_fixed_ie(pframe, _AUTH_ALGM_NUM_, (unsigned char *)&le_val16, &(pattrib->pktlen)); /* setting auth seq number */ val16 = (u16)psta->auth_seq; le_val16 = cpu_to_le16(val16); pframe = rtw_set_fixed_ie(pframe, _AUTH_SEQ_NUM_, (unsigned char *)&le_val16, &(pattrib->pktlen)); /* setting status code... */ val16 = status; le_val16 = cpu_to_le16(val16); pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, (unsigned char *)&le_val16, &(pattrib->pktlen)); /* added challenging text... */ if ((psta->auth_seq == 2) && (psta->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1)) pframe = rtw_set_ie(pframe, _CHLGETXT_IE_, 128, psta->chg_txt, &(pattrib->pktlen)); #endif } else { __le32 le_tmp32; __le16 le_tmp16; memcpy(pwlanhdr->addr1, get_my_bssid(&pmlmeinfo->network), ETH_ALEN); memcpy(pwlanhdr->addr2, myid(&padapter->eeprompriv), ETH_ALEN); memcpy(pwlanhdr->addr3, get_my_bssid(&pmlmeinfo->network), ETH_ALEN); /* setting auth algo number */ val16 = (pmlmeinfo->auth_algo == dot11AuthAlgrthm_Shared) ? 1 : 0;/* 0:OPEN System, 1:Shared key */ if (val16) use_shared_key = 1; /* setting IV for auth seq #3 */ if ((pmlmeinfo->auth_seq == 3) && (pmlmeinfo->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1)) { val32 = ((pmlmeinfo->iv++) | (pmlmeinfo->key_index << 30)); le_tmp32 = cpu_to_le32(val32); pframe = rtw_set_fixed_ie(pframe, 4, (unsigned char *)&le_tmp32, &(pattrib->pktlen)); pattrib->iv_len = 4; } le_tmp16 = cpu_to_le16(val16); pframe = rtw_set_fixed_ie(pframe, _AUTH_ALGM_NUM_, (unsigned char *)&le_tmp16, &(pattrib->pktlen)); /* setting auth seq number */ val16 = pmlmeinfo->auth_seq; le_tmp16 = cpu_to_le16(val16); pframe = rtw_set_fixed_ie(pframe, _AUTH_SEQ_NUM_, (unsigned char *)&le_tmp16, &(pattrib->pktlen)); /* setting status code... */ le_tmp16 = cpu_to_le16(status); pframe = rtw_set_fixed_ie(pframe, _STATUS_CODE_, (unsigned char *)&le_tmp16, &(pattrib->pktlen)); /* then checking to see if sending challenging text... */ if ((pmlmeinfo->auth_seq == 3) && (pmlmeinfo->state & WIFI_FW_AUTH_STATE) && (use_shared_key == 1)) { pframe = rtw_set_ie(pframe, _CHLGETXT_IE_, 128, pmlmeinfo->chg_txt, &(pattrib->pktlen)); SetPrivacy(fctrl); pattrib->hdrlen = sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->encrypt = _WEP40_; pattrib->icv_len = 4; pattrib->pktlen += pattrib->icv_len; } } pattrib->last_txcmdsz = pattrib->pktlen; rtw_wep_encrypt(padapter, (u8 *)pmgntframe); DBG_88E("%s\n", __func__); dump_mgntframe(padapter, pmgntframe); return; } void issue_asocrsp(struct adapter *padapter, unsigned short status, struct sta_info *pstat, int pkt_type) { #ifdef CONFIG_88EU_AP_MODE struct xmit_frame *pmgntframe; struct rtw_ieee80211_hdr *pwlanhdr; struct pkt_attrib *pattrib; unsigned char *pbuf, *pframe; unsigned short val; __le16 *fctrl; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *pnetwork = &(pmlmeinfo->network); u8 *ie = pnetwork->IEs; __le16 lestatus, leval; DBG_88E("%s\n", __func__); pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) return; /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; memcpy((void *)GetAddr1Ptr(pwlanhdr), pstat->hwaddr, ETH_ALEN); memcpy((void *)GetAddr2Ptr(pwlanhdr), myid(&(padapter->eeprompriv)), ETH_ALEN); memcpy((void *)GetAddr3Ptr(pwlanhdr), get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; if ((pkt_type == WIFI_ASSOCRSP) || (pkt_type == WIFI_REASSOCRSP)) SetFrameSubType(pwlanhdr, pkt_type); else return; pattrib->hdrlen = sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->pktlen += pattrib->hdrlen; pframe += pattrib->hdrlen; /* capability */ val = *(unsigned short *)rtw_get_capability_from_ie(ie); pframe = rtw_set_fixed_ie(pframe, _CAPABILITY_ , (unsigned char *)&val, &(pattrib->pktlen)); lestatus = cpu_to_le16(status); pframe = rtw_set_fixed_ie(pframe , _STATUS_CODE_ , (unsigned char *)&lestatus, &(pattrib->pktlen)); leval = cpu_to_le16(pstat->aid | BIT(14) | BIT(15)); pframe = rtw_set_fixed_ie(pframe, _ASOC_ID_ , (unsigned char *)&leval, &(pattrib->pktlen)); if (pstat->bssratelen <= 8) { pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, pstat->bssratelen, pstat->bssrateset, &(pattrib->pktlen)); } else { pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_, 8, pstat->bssrateset, &(pattrib->pktlen)); pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_, (pstat->bssratelen-8), pstat->bssrateset+8, &(pattrib->pktlen)); } if ((pstat->flags & WLAN_STA_HT) && (pmlmepriv->htpriv.ht_option)) { uint ie_len = 0; /* FILL HT CAP INFO IE */ pbuf = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_CAPABILITY_IE_, &ie_len, (pnetwork->IELength - _BEACON_IE_OFFSET_)); if (pbuf && ie_len > 0) { memcpy(pframe, pbuf, ie_len+2); pframe += (ie_len+2); pattrib->pktlen += (ie_len+2); } /* FILL HT ADD INFO IE */ pbuf = rtw_get_ie(ie + _BEACON_IE_OFFSET_, _HT_ADD_INFO_IE_, &ie_len, (pnetwork->IELength - _BEACON_IE_OFFSET_)); if (pbuf && ie_len > 0) { memcpy(pframe, pbuf, ie_len+2); pframe += (ie_len+2); pattrib->pktlen += (ie_len+2); } } /* FILL WMM IE */ if ((pstat->flags & WLAN_STA_WME) && (pmlmepriv->qospriv.qos_option)) { uint ie_len = 0; unsigned char WMM_PARA_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x01, 0x01}; for (pbuf = ie + _BEACON_IE_OFFSET_;; pbuf += (ie_len + 2)) { pbuf = rtw_get_ie(pbuf, _VENDOR_SPECIFIC_IE_, &ie_len, (pnetwork->IELength - _BEACON_IE_OFFSET_ - (ie_len + 2))); if (pbuf && !memcmp(pbuf+2, WMM_PARA_IE, 6)) { memcpy(pframe, pbuf, ie_len+2); pframe += (ie_len+2); pattrib->pktlen += (ie_len+2); break; } if ((pbuf == NULL) || (ie_len == 0)) break; } } if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_REALTEK) pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, 6 , REALTEK_96B_IE, &(pattrib->pktlen)); /* add WPS IE ie for wps 2.0 */ if (pmlmepriv->wps_assoc_resp_ie && pmlmepriv->wps_assoc_resp_ie_len > 0) { memcpy(pframe, pmlmepriv->wps_assoc_resp_ie, pmlmepriv->wps_assoc_resp_ie_len); pframe += pmlmepriv->wps_assoc_resp_ie_len; pattrib->pktlen += pmlmepriv->wps_assoc_resp_ie_len; } pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); #endif } void issue_assocreq(struct adapter *padapter) { int ret = _FAIL; struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe, *p; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; __le16 le_tmp; unsigned int i, j, ie_len, index = 0; unsigned char rf_type, bssrate[NumRates], sta_bssrate[NumRates]; struct ndis_802_11_var_ie *pIE; struct registry_priv *pregpriv = &padapter->registrypriv; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); int bssrate_len = 0, sta_bssrate_len = 0; pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) goto exit; /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_ASSOCREQ); pframe += sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr); /* caps */ memcpy(pframe, rtw_get_capability_from_ie(pmlmeinfo->network.IEs), 2); pframe += 2; pattrib->pktlen += 2; /* listen interval */ /* todo: listen interval for power saving */ le_tmp = cpu_to_le16(3); memcpy(pframe , (unsigned char *)&le_tmp, 2); pframe += 2; pattrib->pktlen += 2; /* SSID */ pframe = rtw_set_ie(pframe, _SSID_IE_, pmlmeinfo->network.Ssid.SsidLength, pmlmeinfo->network.Ssid.Ssid, &(pattrib->pktlen)); /* supported rate & extended supported rate */ /* Check if the AP's supported rates are also supported by STA. */ get_rate_set(padapter, sta_bssrate, &sta_bssrate_len); if (pmlmeext->cur_channel == 14)/* for JAPAN, channel 14 can only uses B Mode(CCK) */ sta_bssrate_len = 4; for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) { if (pmlmeinfo->network.SupportedRates[i] == 0) break; DBG_88E("network.SupportedRates[%d]=%02X\n", i, pmlmeinfo->network.SupportedRates[i]); } for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) { if (pmlmeinfo->network.SupportedRates[i] == 0) break; /* Check if the AP's supported rates are also supported by STA. */ for (j = 0; j < sta_bssrate_len; j++) { /* Avoid the proprietary data rate (22Mbps) of Handlink WSG-4000 AP */ if ((pmlmeinfo->network.SupportedRates[i]|IEEE80211_BASIC_RATE_MASK) == (sta_bssrate[j]|IEEE80211_BASIC_RATE_MASK)) break; } if (j == sta_bssrate_len) { /* the rate is not supported by STA */ DBG_88E("%s(): the rate[%d]=%02X is not supported by STA!\n", __func__, i, pmlmeinfo->network.SupportedRates[i]); } else { /* the rate is supported by STA */ bssrate[index++] = pmlmeinfo->network.SupportedRates[i]; } } bssrate_len = index; DBG_88E("bssrate_len=%d\n", bssrate_len); if (bssrate_len == 0) { rtw_free_xmitbuf(pxmitpriv, pmgntframe->pxmitbuf); rtw_free_xmitframe(pxmitpriv, pmgntframe); goto exit; /* don't connect to AP if no joint supported rate */ } if (bssrate_len > 8) { pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_ , 8, bssrate, &(pattrib->pktlen)); pframe = rtw_set_ie(pframe, _EXT_SUPPORTEDRATES_IE_ , (bssrate_len - 8), (bssrate + 8), &(pattrib->pktlen)); } else { pframe = rtw_set_ie(pframe, _SUPPORTEDRATES_IE_ , bssrate_len , bssrate, &(pattrib->pktlen)); } /* RSN */ p = rtw_get_ie((pmlmeinfo->network.IEs + sizeof(struct ndis_802_11_fixed_ie)), _RSN_IE_2_, &ie_len, (pmlmeinfo->network.IELength - sizeof(struct ndis_802_11_fixed_ie))); if (p != NULL) pframe = rtw_set_ie(pframe, _RSN_IE_2_, ie_len, (p + 2), &(pattrib->pktlen)); /* HT caps */ if (padapter->mlmepriv.htpriv.ht_option) { p = rtw_get_ie((pmlmeinfo->network.IEs + sizeof(struct ndis_802_11_fixed_ie)), _HT_CAPABILITY_IE_, &ie_len, (pmlmeinfo->network.IELength - sizeof(struct ndis_802_11_fixed_ie))); if ((p != NULL) && (!(is_ap_in_tkip(padapter)))) { memcpy(&(pmlmeinfo->HT_caps), (p + 2), sizeof(struct HT_caps_element)); /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */ if (pregpriv->cbw40_enable == 0) pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info &= cpu_to_le16(~(BIT(6) | BIT(1))); else pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info |= cpu_to_le16(BIT(1)); /* todo: disable SM power save mode */ pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info |= cpu_to_le16(0x000c); rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); switch (rf_type) { case RF_1T1R: if (pregpriv->rx_stbc) pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info |= cpu_to_le16(0x0100);/* RX STBC One spatial stream */ memcpy(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_rate_1R, 16); break; case RF_2T2R: case RF_1T2R: default: if ((pregpriv->rx_stbc == 0x3) ||/* enable for 2.4/5 GHz */ ((pmlmeext->cur_wireless_mode & WIRELESS_11_24N) && (pregpriv->rx_stbc == 0x1)) || /* enable for 2.4GHz */ (pregpriv->wifi_spec == 1)) { DBG_88E("declare supporting RX STBC\n"); pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info |= cpu_to_le16(0x0200);/* RX STBC two spatial stream */ } memcpy(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_rate_2R, 16); break; } pframe = rtw_set_ie(pframe, _HT_CAPABILITY_IE_, ie_len , (u8 *)(&(pmlmeinfo->HT_caps)), &(pattrib->pktlen)); } } /* vendor specific IE, such as WPA, WMM, WPS */ for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) { pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i); switch (pIE->ElementID) { case _VENDOR_SPECIFIC_IE_: if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) || (!memcmp(pIE->data, WMM_OUI, 4)) || (!memcmp(pIE->data, WPS_OUI, 4))) { if (!padapter->registrypriv.wifi_spec) { /* Commented by Kurt 20110629 */ /* In some older APs, WPS handshake */ /* would be fail if we append vender extensions informations to AP */ if (!memcmp(pIE->data, WPS_OUI, 4)) pIE->Length = 14; } pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, pIE->Length, pIE->data, &(pattrib->pktlen)); } break; default: break; } i += (pIE->Length + 2); } if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_REALTEK) pframe = rtw_set_ie(pframe, _VENDOR_SPECIFIC_IE_, 6 , REALTEK_96B_IE, &(pattrib->pktlen)); pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); ret = _SUCCESS; exit: if (ret == _SUCCESS) rtw_buf_update(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len, (u8 *)pwlanhdr, pattrib->pktlen); else rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len); return; } /* when wait_ack is true, this function should be called at process context */ static int _issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned int power_mode, int wait_ack) { int ret = _FAIL; struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; struct xmit_priv *pxmitpriv; struct mlme_ext_priv *pmlmeext; struct mlme_ext_info *pmlmeinfo; if (!padapter) goto exit; pxmitpriv = &(padapter->xmitpriv); pmlmeext = &(padapter->mlmeextpriv); pmlmeinfo = &(pmlmeext->mlmext_info); pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) goto exit; /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); pattrib->retry_ctrl = false; memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) SetFrDs(fctrl); else if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) SetToDs(fctrl); if (power_mode) SetPwrMgt(fctrl); memcpy(pwlanhdr->addr1, da, ETH_ALEN); memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_DATA_NULL); pframe += sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->last_txcmdsz = pattrib->pktlen; if (wait_ack) { ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe); } else { dump_mgntframe(padapter, pmgntframe); ret = _SUCCESS; } exit: return ret; } /* when wait_ms > 0 , this function should be called at process context */ /* da == NULL for station mode */ int issue_nulldata(struct adapter *padapter, unsigned char *da, unsigned int power_mode, int try_cnt, int wait_ms) { int ret; int i = 0; u32 start = jiffies; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); /* da == NULL, assume it's null data for sta to ap*/ if (da == NULL) da = get_my_bssid(&(pmlmeinfo->network)); do { ret = _issue_nulldata(padapter, da, power_mode, wait_ms > 0 ? true : false); i++; if (padapter->bDriverStopped || padapter->bSurpriseRemoved) break; if (i < try_cnt && wait_ms > 0 && ret == _FAIL) msleep(wait_ms); } while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0))); if (ret != _FAIL) { ret = _SUCCESS; goto exit; } if (try_cnt && wait_ms) { if (da) DBG_88E(FUNC_ADPT_FMT" to %pM, ch:%u%s, %d/%d in %u ms\n", FUNC_ADPT_ARG(padapter), da, rtw_get_oper_ch(padapter), ret == _SUCCESS ? ", acked" : "", i, try_cnt, rtw_get_passing_time_ms(start)); else DBG_88E(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n", FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter), ret == _SUCCESS ? ", acked" : "", i, try_cnt, rtw_get_passing_time_ms(start)); } exit: return ret; } /* when wait_ack is true, this function should be called at process context */ static int _issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 tid, int wait_ack) { int ret = _FAIL; struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; unsigned short *qc; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); DBG_88E("%s\n", __func__); pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) goto exit; /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); pattrib->hdrlen += 2; pattrib->qos_en = true; pattrib->eosp = 1; pattrib->ack_policy = 0; pattrib->mdata = 0; memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) SetFrDs(fctrl); else if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) SetToDs(fctrl); if (pattrib->mdata) SetMData(fctrl); qc = (unsigned short *)(pframe + pattrib->hdrlen - 2); SetPriority(qc, tid); SetEOSP(qc, pattrib->eosp); SetAckpolicy(qc, pattrib->ack_policy); memcpy(pwlanhdr->addr1, da, ETH_ALEN); memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_QOS_DATA_NULL); pframe += sizeof(struct rtw_ieee80211_hdr_3addr_qos); pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr_qos); pattrib->last_txcmdsz = pattrib->pktlen; if (wait_ack) { ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe); } else { dump_mgntframe(padapter, pmgntframe); ret = _SUCCESS; } exit: return ret; } /* when wait_ms > 0 , this function should be called at process context */ /* da == NULL for station mode */ int issue_qos_nulldata(struct adapter *padapter, unsigned char *da, u16 tid, int try_cnt, int wait_ms) { int ret; int i = 0; u32 start = jiffies; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); /* da == NULL, assume it's null data for sta to ap*/ if (da == NULL) da = get_my_bssid(&(pmlmeinfo->network)); do { ret = _issue_qos_nulldata(padapter, da, tid, wait_ms > 0 ? true : false); i++; if (padapter->bDriverStopped || padapter->bSurpriseRemoved) break; if (i < try_cnt && wait_ms > 0 && ret == _FAIL) msleep(wait_ms); } while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0))); if (ret != _FAIL) { ret = _SUCCESS; goto exit; } if (try_cnt && wait_ms) { if (da) DBG_88E(FUNC_ADPT_FMT" to %pM, ch:%u%s, %d/%d in %u ms\n", FUNC_ADPT_ARG(padapter), da, rtw_get_oper_ch(padapter), ret == _SUCCESS ? ", acked" : "", i, try_cnt, rtw_get_passing_time_ms(start)); else DBG_88E(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n", FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter), ret == _SUCCESS ? ", acked" : "", i, try_cnt, rtw_get_passing_time_ms(start)); } exit: return ret; } static int _issue_deauth(struct adapter *padapter, unsigned char *da, unsigned short reason, u8 wait_ack) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); int ret = _FAIL; __le16 le_tmp; pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) goto exit; /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); pattrib->retry_ctrl = false; memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; memcpy(pwlanhdr->addr1, da, ETH_ALEN); memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_DEAUTH); pframe += sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr); le_tmp = cpu_to_le16(reason); pframe = rtw_set_fixed_ie(pframe, _RSON_CODE_ , (unsigned char *)&le_tmp, &(pattrib->pktlen)); pattrib->last_txcmdsz = pattrib->pktlen; if (wait_ack) { ret = dump_mgntframe_and_wait_ack(padapter, pmgntframe); } else { dump_mgntframe(padapter, pmgntframe); ret = _SUCCESS; } exit: return ret; } int issue_deauth(struct adapter *padapter, unsigned char *da, unsigned short reason) { DBG_88E("%s to %pM\n", __func__, da); 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) { int ret; int i = 0; u32 start = jiffies; do { ret = _issue_deauth(padapter, da, reason, wait_ms > 0 ? true : false); i++; if (padapter->bDriverStopped || padapter->bSurpriseRemoved) break; if (i < try_cnt && wait_ms > 0 && ret == _FAIL) msleep(wait_ms); } while ((i < try_cnt) && ((ret == _FAIL) || (wait_ms == 0))); if (ret != _FAIL) { ret = _SUCCESS; goto exit; } if (try_cnt && wait_ms) { if (da) DBG_88E(FUNC_ADPT_FMT" to %pM, ch:%u%s, %d/%d in %u ms\n", FUNC_ADPT_ARG(padapter), da, rtw_get_oper_ch(padapter), ret == _SUCCESS ? ", acked" : "", i, try_cnt, rtw_get_passing_time_ms(start)); else DBG_88E(FUNC_ADPT_FMT", ch:%u%s, %d/%d in %u ms\n", FUNC_ADPT_ARG(padapter), rtw_get_oper_ch(padapter), ret == _SUCCESS ? ", acked" : "", i, try_cnt, rtw_get_passing_time_ms(start)); } exit: return ret; } void issue_action_spct_ch_switch (struct adapter *padapter, u8 *ra, u8 new_ch, u8 ch_offset) { struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); DBG_88E(FUNC_NDEV_FMT" ra =%pM, ch:%u, offset:%u\n", FUNC_NDEV_ARG(padapter->pnetdev), ra, new_ch, ch_offset); pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) return; /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; memcpy(pwlanhdr->addr1, ra, ETH_ALEN); /* RA */ memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); /* TA */ memcpy(pwlanhdr->addr3, ra, ETH_ALEN); /* DA = RA */ SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_ACTION); pframe += sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr); /* category, action */ { u8 category, action; category = RTW_WLAN_CATEGORY_SPECTRUM_MGMT; action = RTW_WLAN_ACTION_SPCT_CHL_SWITCH; pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen)); } pframe = rtw_set_ie_ch_switch (pframe, &(pattrib->pktlen), 0, new_ch, 0); pframe = rtw_set_ie_secondary_ch_offset(pframe, &(pattrib->pktlen), hal_ch_offset_to_secondary_ch_offset(ch_offset)); pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); } 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; u16 BA_para_set; u16 reason_code; u16 BA_timeout_value; __le16 le_tmp; u16 BA_starting_seqctrl = 0; enum ht_cap_ampdu_factor max_rx_ampdu_factor; struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; u8 *pframe; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct sta_info *psta; struct sta_priv *pstapriv = &padapter->stapriv; struct registry_priv *pregpriv = &padapter->registrypriv; DBG_88E("%s, category=%d, action=%d, status=%d\n", __func__, category, action, status); pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) return; /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; /* memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); */ memcpy(pwlanhdr->addr1, raddr, ETH_ALEN); memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_ACTION); pframe += sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr); pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen)); if (category == 3) { switch (action) { case 0: /* ADDBA req */ do { pmlmeinfo->dialogToken++; } while (pmlmeinfo->dialogToken == 0); pframe = rtw_set_fixed_ie(pframe, 1, &(pmlmeinfo->dialogToken), &(pattrib->pktlen)); BA_para_set = (0x1002 | ((status & 0xf) << 2)); /* immediate ack & 64 buffer size */ le_tmp = cpu_to_le16(BA_para_set); pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen)); BA_timeout_value = 5000;/* 5ms */ le_tmp = cpu_to_le16(BA_timeout_value); pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen)); psta = rtw_get_stainfo(pstapriv, raddr); if (psta != NULL) { start_seq = (psta->sta_xmitpriv.txseq_tid[status & 0x07]&0xfff) + 1; DBG_88E("BA_starting_seqctrl=%d for TID=%d\n", start_seq, status & 0x07); psta->BA_starting_seqctrl[status & 0x07] = start_seq; BA_starting_seqctrl = start_seq << 4; } le_tmp = cpu_to_le16(BA_starting_seqctrl); pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen)); break; case 1: /* ADDBA rsp */ pframe = rtw_set_fixed_ie(pframe, 1, &(pmlmeinfo->ADDBA_req.dialog_token), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&status), &(pattrib->pktlen)); BA_para_set = le16_to_cpu(pmlmeinfo->ADDBA_req.BA_para_set) & 0x3f; rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); switch (max_rx_ampdu_factor) { case MAX_AMPDU_FACTOR_64K: BA_para_set |= 0x1000; /* 64 buffer size */ break; case MAX_AMPDU_FACTOR_32K: BA_para_set |= 0x0800; /* 32 buffer size */ break; case MAX_AMPDU_FACTOR_16K: BA_para_set |= 0x0400; /* 16 buffer size */ break; case MAX_AMPDU_FACTOR_8K: BA_para_set |= 0x0200; /* 8 buffer size */ break; default: BA_para_set |= 0x1000; /* 64 buffer size */ break; } if (pregpriv->ampdu_amsdu == 0)/* disabled */ BA_para_set = BA_para_set & ~BIT(0); else if (pregpriv->ampdu_amsdu == 1)/* enabled */ BA_para_set = BA_para_set | BIT(0); le_tmp = cpu_to_le16(BA_para_set); pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(pmlmeinfo->ADDBA_req.BA_timeout_value)), &(pattrib->pktlen)); break; case 2:/* DELBA */ BA_para_set = (status & 0x1F) << 3; le_tmp = cpu_to_le16(BA_para_set); pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen)); reason_code = 37;/* Requested from peer STA as it does not want to use the mechanism */ le_tmp = cpu_to_le16(reason_code); pframe = rtw_set_fixed_ie(pframe, 2, (unsigned char *)(&(le_tmp)), &(pattrib->pktlen)); break; default: break; } } pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); } static void issue_action_BSSCoexistPacket(struct adapter *padapter) { struct list_head *plist, *phead; unsigned char category, action; struct xmit_frame *pmgntframe; struct pkt_attrib *pattrib; unsigned char *pframe; struct rtw_ieee80211_hdr *pwlanhdr; __le16 *fctrl; struct wlan_network *pnetwork = NULL; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct __queue *queue = &(pmlmepriv->scanned_queue); u8 InfoContent[16] = {0}; u8 ICS[8][15]; if ((pmlmepriv->num_FortyMHzIntolerant == 0) || (pmlmepriv->num_sta_no_ht == 0)) return; if (pmlmeinfo->bwmode_updated) return; DBG_88E("%s\n", __func__); category = RTW_WLAN_CATEGORY_PUBLIC; action = ACT_PUBLIC_BSSCOEXIST; pmgntframe = alloc_mgtxmitframe(pxmitpriv); if (pmgntframe == NULL) return; /* update attribute */ pattrib = &pmgntframe->attrib; update_mgntframe_attrib(padapter, pattrib); memset(pmgntframe->buf_addr, 0, WLANHDR_OFFSET + TXDESC_OFFSET); pframe = (u8 *)(pmgntframe->buf_addr) + TXDESC_OFFSET; pwlanhdr = (struct rtw_ieee80211_hdr *)pframe; fctrl = &(pwlanhdr->frame_ctl); *(fctrl) = 0; memcpy(pwlanhdr->addr1, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); memcpy(pwlanhdr->addr2, myid(&(padapter->eeprompriv)), ETH_ALEN); memcpy(pwlanhdr->addr3, get_my_bssid(&(pmlmeinfo->network)), ETH_ALEN); SetSeqNum(pwlanhdr, pmlmeext->mgnt_seq); pmlmeext->mgnt_seq++; SetFrameSubType(pframe, WIFI_ACTION); pframe += sizeof(struct rtw_ieee80211_hdr_3addr); pattrib->pktlen = sizeof(struct rtw_ieee80211_hdr_3addr); pframe = rtw_set_fixed_ie(pframe, 1, &(category), &(pattrib->pktlen)); pframe = rtw_set_fixed_ie(pframe, 1, &(action), &(pattrib->pktlen)); /* */ if (pmlmepriv->num_FortyMHzIntolerant > 0) { u8 iedata = 0; iedata |= BIT(2);/* 20 MHz BSS Width Request */ pframe = rtw_set_ie(pframe, EID_BSSCoexistence, 1, &iedata, &(pattrib->pktlen)); } /* */ memset(ICS, 0, sizeof(ICS)); if (pmlmepriv->num_sta_no_ht > 0) { int i; spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); phead = get_list_head(queue); plist = phead->next; while (phead != plist) { int len; u8 *p; struct wlan_bssid_ex *pbss_network; pnetwork = container_of(plist, struct wlan_network, list); plist = plist->next; pbss_network = (struct wlan_bssid_ex *)&pnetwork->network; p = rtw_get_ie(pbss_network->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, pbss_network->IELength - _FIXED_IE_LENGTH_); if ((p == NULL) || (len == 0)) { /* non-HT */ if ((pbss_network->Configuration.DSConfig <= 0) || (pbss_network->Configuration.DSConfig > 14)) continue; ICS[0][pbss_network->Configuration.DSConfig] = 1; if (ICS[0][0] == 0) ICS[0][0] = 1; } } spin_unlock_bh(&pmlmepriv->scanned_queue.lock); for (i = 0; i < 8; i++) { if (ICS[i][0] == 1) { int j, k = 0; InfoContent[k] = i; /* SET_BSS_INTOLERANT_ELE_REG_CLASS(InfoContent, i); */ k++; for (j = 1; j <= 14; j++) { if (ICS[i][j] == 1) { if (k < 16) { InfoContent[k] = j; /* channel number */ /* SET_BSS_INTOLERANT_ELE_CHANNEL(InfoContent+k, j); */ k++; } } } pframe = rtw_set_ie(pframe, EID_BSSIntolerantChlReport, k, InfoContent, &(pattrib->pktlen)); } } } pattrib->last_txcmdsz = pattrib->pktlen; dump_mgntframe(padapter, pmgntframe); } unsigned int send_delba(struct adapter *padapter, u8 initiator, u8 *addr) { struct sta_priv *pstapriv = &padapter->stapriv; struct sta_info *psta = NULL; /* struct recv_reorder_ctrl *preorder_ctrl; */ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); u16 tid; if ((pmlmeinfo->state&0x03) != WIFI_FW_AP_STATE) if (!(pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) return _SUCCESS; psta = rtw_get_stainfo(pstapriv, addr); if (psta == NULL) return _SUCCESS; if (initiator == 0) { /* recipient */ for (tid = 0; tid < MAXTID; tid++) { if (psta->recvreorder_ctrl[tid].enable) { DBG_88E("rx agg disable tid(%d)\n", tid); issue_action_BA(padapter, addr, RTW_WLAN_ACTION_DELBA, (((tid << 1) | initiator)&0x1F)); psta->recvreorder_ctrl[tid].enable = false; psta->recvreorder_ctrl[tid].indicate_seq = 0xffff; } } } else if (initiator == 1) { /* originator */ for (tid = 0; tid < MAXTID; tid++) { if (psta->htpriv.agg_enable_bitmap & BIT(tid)) { DBG_88E("tx agg disable tid(%d)\n", tid); issue_action_BA(padapter, addr, RTW_WLAN_ACTION_DELBA, (((tid << 1) | initiator)&0x1F)); psta->htpriv.agg_enable_bitmap &= ~BIT(tid); psta->htpriv.candidate_tid_bitmap &= ~BIT(tid); } } } return _SUCCESS; } unsigned int send_beacon(struct adapter *padapter) { u8 bxmitok = false; int issue = 0; int poll = 0; u32 start = jiffies; rtw_hal_set_hwreg(padapter, HW_VAR_BCN_VALID, NULL); do { issue_beacon(padapter, 100); issue++; do { yield(); rtw_hal_get_hwreg(padapter, HW_VAR_BCN_VALID, (u8 *)(&bxmitok)); poll++; } while ((poll%10) != 0 && !bxmitok && !padapter->bSurpriseRemoved && !padapter->bDriverStopped); } while (!bxmitok && issue < 100 && !padapter->bSurpriseRemoved && !padapter->bDriverStopped); if (padapter->bSurpriseRemoved || padapter->bDriverStopped) return _FAIL; if (!bxmitok) { DBG_88E("%s fail! %u ms\n", __func__, rtw_get_passing_time_ms(start)); return _FAIL; } else { u32 passing_time = rtw_get_passing_time_ms(start); if (passing_time > 100 || issue > 3) DBG_88E("%s success, issue:%d, poll:%d, %u ms\n", __func__, issue, poll, rtw_get_passing_time_ms(start)); return _SUCCESS; } } /**************************************************************************** Following are some utility functions for WiFi MLME *****************************************************************************/ void site_survey(struct adapter *padapter) { unsigned char survey_channel = 0, val8; enum rt_scan_type ScanType = SCAN_PASSIVE; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); u32 initialgain = 0; struct rtw_ieee80211_channel *ch; if (pmlmeext->sitesurvey_res.channel_idx < pmlmeext->sitesurvey_res.ch_num) { ch = &pmlmeext->sitesurvey_res.ch[pmlmeext->sitesurvey_res.channel_idx]; survey_channel = ch->hw_value; ScanType = (ch->flags & RTW_IEEE80211_CHAN_PASSIVE_SCAN) ? SCAN_PASSIVE : SCAN_ACTIVE; } if (survey_channel != 0) { /* PAUSE 4-AC Queue when site_survey */ /* rtw_hal_get_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */ /* val8 |= 0x0f; */ /* rtw_hal_set_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */ if (pmlmeext->sitesurvey_res.channel_idx == 0) set_channel_bwmode(padapter, survey_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20); else SelectChannel(padapter, survey_channel); if (ScanType == SCAN_ACTIVE) { /* obey the channel plan setting... */ int i; for (i = 0; i < RTW_SSID_SCAN_AMOUNT; i++) { if (pmlmeext->sitesurvey_res.ssid[i].SsidLength) { /* todo: to issue two probe req??? */ issue_probereq(padapter, &(pmlmeext->sitesurvey_res.ssid[i]), NULL); /* msleep(SURVEY_TO>>1); */ issue_probereq(padapter, &(pmlmeext->sitesurvey_res.ssid[i]), NULL); } } if (pmlmeext->sitesurvey_res.scan_mode == SCAN_ACTIVE) { /* todo: to issue two probe req??? */ issue_probereq(padapter, NULL, NULL); /* msleep(SURVEY_TO>>1); */ issue_probereq(padapter, NULL, NULL); } if (pmlmeext->sitesurvey_res.scan_mode == SCAN_ACTIVE) { /* todo: to issue two probe req??? */ issue_probereq(padapter, NULL, NULL); /* msleep(SURVEY_TO>>1); */ issue_probereq(padapter, NULL, NULL); } } set_survey_timer(pmlmeext, pmlmeext->chan_scan_time); } else { /* 20100721:Interrupt scan operation here. */ /* For SW antenna diversity before link, it needs to switch to another antenna and scan again. */ /* It compares the scan result and select better one to do connection. */ if (rtw_hal_antdiv_before_linked(padapter)) { pmlmeext->sitesurvey_res.bss_cnt = 0; pmlmeext->sitesurvey_res.channel_idx = -1; pmlmeext->chan_scan_time = SURVEY_TO / 2; set_survey_timer(pmlmeext, pmlmeext->chan_scan_time); return; } pmlmeext->sitesurvey_res.state = SCAN_COMPLETE; /* switch back to the original channel */ set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); /* flush 4-AC Queue after site_survey */ /* val8 = 0; */ /* rtw_hal_set_hwreg(padapter, HW_VAR_TXPAUSE, (u8 *)(&val8)); */ /* config MSR */ Set_MSR(padapter, (pmlmeinfo->state & 0x3)); initialgain = 0xff; /* restore RX GAIN */ rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); /* turn on dynamic functions */ Restore_DM_Func_Flag(padapter); /* Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true); */ if (is_client_associated_to_ap(padapter)) issue_nulldata(padapter, NULL, 0, 3, 500); val8 = 0; /* survey done */ rtw_hal_set_hwreg(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8)); report_surveydone_event(padapter); pmlmeext->chan_scan_time = SURVEY_TO; pmlmeext->sitesurvey_res.state = SCAN_DISABLE; issue_action_BSSCoexistPacket(padapter); issue_action_BSSCoexistPacket(padapter); issue_action_BSSCoexistPacket(padapter); } return; } /* 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) { int i; u32 len; u8 *p; u16 val16, subtype; u8 *pframe = precv_frame->rx_data; u32 packet_len = precv_frame->len; u8 ie_offset; struct registry_priv *pregistrypriv = &padapter->registrypriv; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); len = packet_len - sizeof(struct rtw_ieee80211_hdr_3addr); if (len > MAX_IE_SZ) return _FAIL; memset(bssid, 0, sizeof(struct wlan_bssid_ex)); subtype = GetFrameSubType(pframe); if (subtype == WIFI_BEACON) { bssid->Reserved[0] = 1; ie_offset = _BEACON_IE_OFFSET_; } else { /* FIXME : more type */ if (subtype == WIFI_PROBEREQ) { ie_offset = _PROBEREQ_IE_OFFSET_; bssid->Reserved[0] = 2; } else if (subtype == WIFI_PROBERSP) { ie_offset = _PROBERSP_IE_OFFSET_; bssid->Reserved[0] = 3; } else { bssid->Reserved[0] = 0; ie_offset = _FIXED_IE_LENGTH_; } } bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len; /* below is to copy the information element */ bssid->IELength = len; memcpy(bssid->IEs, (pframe + sizeof(struct rtw_ieee80211_hdr_3addr)), bssid->IELength); /* get the signal strength in dBM.raw data */ bssid->Rssi = precv_frame->attrib.phy_info.recvpower; bssid->PhyInfo.SignalQuality = precv_frame->attrib.phy_info.SignalQuality;/* in percentage */ bssid->PhyInfo.SignalStrength = precv_frame->attrib.phy_info.SignalStrength;/* in percentage */ rtw_hal_get_def_var(padapter, HAL_DEF_CURRENT_ANTENNA, &bssid->PhyInfo.Optimum_antenna); /* checking SSID */ p = rtw_get_ie(bssid->IEs + ie_offset, _SSID_IE_, &len, bssid->IELength - ie_offset); if (p == NULL) { DBG_88E("marc: cannot find SSID for survey event\n"); return _FAIL; } if (len) { if (len > NDIS_802_11_LENGTH_SSID) { DBG_88E("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len); return _FAIL; } memcpy(bssid->Ssid.Ssid, (p + 2), len); bssid->Ssid.SsidLength = len; } else { bssid->Ssid.SsidLength = 0; } memset(bssid->SupportedRates, 0, NDIS_802_11_LENGTH_RATES_EX); /* checking rate info... */ i = 0; p = rtw_get_ie(bssid->IEs + ie_offset, _SUPPORTEDRATES_IE_, &len, bssid->IELength - ie_offset); if (p != NULL) { if (len > NDIS_802_11_LENGTH_RATES_EX) { DBG_88E("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len); return _FAIL; } memcpy(bssid->SupportedRates, (p + 2), len); i = len; } p = rtw_get_ie(bssid->IEs + ie_offset, _EXT_SUPPORTEDRATES_IE_, &len, bssid->IELength - ie_offset); if (p != NULL) { if (len > (NDIS_802_11_LENGTH_RATES_EX-i)) { DBG_88E("%s()-%d: IE too long (%d) for survey event\n", __func__, __LINE__, len); return _FAIL; } memcpy(bssid->SupportedRates + i, (p + 2), len); } /* todo: */ bssid->NetworkTypeInUse = Ndis802_11OFDM24; if (bssid->IELength < 12) return _FAIL; /* Checking for DSConfig */ p = rtw_get_ie(bssid->IEs + ie_offset, _DSSET_IE_, &len, bssid->IELength - ie_offset); bssid->Configuration.DSConfig = 0; bssid->Configuration.Length = 0; if (p) { bssid->Configuration.DSConfig = *(p + 2); } else {/* In 5G, some ap do not have DSSET IE */ /* checking HT info for channel */ p = rtw_get_ie(bssid->IEs + ie_offset, _HT_ADD_INFO_IE_, &len, bssid->IELength - ie_offset); if (p) { struct HT_info_element *HT_info = (struct HT_info_element *)(p + 2); bssid->Configuration.DSConfig = HT_info->primary_channel; } else { /* use current channel */ bssid->Configuration.DSConfig = rtw_get_oper_ch(padapter); } } if (subtype == WIFI_PROBEREQ) { /* FIXME */ bssid->InfrastructureMode = Ndis802_11Infrastructure; memcpy(bssid->MacAddress, GetAddr2Ptr(pframe), ETH_ALEN); bssid->Privacy = 1; return _SUCCESS; } bssid->Configuration.BeaconPeriod = get_unaligned_le16(rtw_get_beacon_interval_from_ie(bssid->IEs)); val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid); if (val16 & BIT(0)) { bssid->InfrastructureMode = Ndis802_11Infrastructure; memcpy(bssid->MacAddress, GetAddr2Ptr(pframe), ETH_ALEN); } else { bssid->InfrastructureMode = Ndis802_11IBSS; memcpy(bssid->MacAddress, GetAddr3Ptr(pframe), ETH_ALEN); } if (val16 & BIT(4)) bssid->Privacy = 1; else bssid->Privacy = 0; bssid->Configuration.ATIMWindow = 0; /* 20/40 BSS Coexistence check */ if ((pregistrypriv->wifi_spec == 1) && (!pmlmeinfo->bwmode_updated)) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; p = rtw_get_ie(bssid->IEs + ie_offset, _HT_CAPABILITY_IE_, &len, bssid->IELength - ie_offset); if (p && len > 0) { struct HT_caps_element *pHT_caps; pHT_caps = (struct HT_caps_element *)(p + 2); if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info)&BIT(14)) pmlmepriv->num_FortyMHzIntolerant++; } else { pmlmepriv->num_sta_no_ht++; } } /* mark bss info receiving from nearby channel as SignalQuality 101 */ if (bssid->Configuration.DSConfig != rtw_get_oper_ch(padapter)) bssid->PhyInfo.SignalQuality = 101; return _SUCCESS; } void start_create_ibss(struct adapter *padapter) { unsigned short caps; u8 val8; u8 join_type; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network)); pmlmeext->cur_channel = (u8)pnetwork->Configuration.DSConfig; pmlmeinfo->bcn_interval = get_beacon_interval(pnetwork); /* update wireless mode */ update_wireless_mode(padapter); /* update capability */ caps = rtw_get_capability((struct wlan_bssid_ex *)pnetwork); update_capinfo(padapter, caps); if (caps&cap_IBSS) {/* adhoc master */ val8 = 0xcf; rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8)); /* switch channel */ /* SelectChannel(padapter, pmlmeext->cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE); */ set_channel_bwmode(padapter, pmlmeext->cur_channel, HAL_PRIME_CHNL_OFFSET_DONT_CARE, HT_CHANNEL_WIDTH_20); beacon_timing_control(padapter); /* set msr to WIFI_FW_ADHOC_STATE */ pmlmeinfo->state = WIFI_FW_ADHOC_STATE; Set_MSR(padapter, (pmlmeinfo->state & 0x3)); /* issue beacon */ if (send_beacon(padapter) == _FAIL) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("issuing beacon frame fail....\n")); report_join_res(padapter, -1); pmlmeinfo->state = WIFI_FW_NULL_STATE; } else { rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, padapter->registrypriv.dev_network.MacAddress); join_type = 0; rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type)); report_join_res(padapter, 1); pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS; } } else { DBG_88E("start_create_ibss, invalid cap:%x\n", caps); return; } } void start_clnt_join(struct adapter *padapter) { unsigned short caps; u8 val8; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network)); int beacon_timeout; pmlmeext->cur_channel = (u8)pnetwork->Configuration.DSConfig; pmlmeinfo->bcn_interval = get_beacon_interval(pnetwork); /* update wireless mode */ update_wireless_mode(padapter); /* update capability */ caps = rtw_get_capability((struct wlan_bssid_ex *)pnetwork); update_capinfo(padapter, caps); if (caps&cap_ESS) { Set_MSR(padapter, WIFI_FW_STATION_STATE); val8 = (pmlmeinfo->auth_algo == dot11AuthAlgrthm_8021X) ? 0xcc : 0xcf; rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8)); /* switch channel */ set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); /* here wait for receiving the beacon to start auth */ /* and enable a timer */ beacon_timeout = decide_wait_for_beacon_timeout(pmlmeinfo->bcn_interval); set_link_timer(pmlmeext, beacon_timeout); _set_timer(&padapter->mlmepriv.assoc_timer, (REAUTH_TO * REAUTH_LIMIT) + (REASSOC_TO*REASSOC_LIMIT) + beacon_timeout); pmlmeinfo->state = WIFI_FW_AUTH_NULL | WIFI_FW_STATION_STATE; } else if (caps&cap_IBSS) { /* adhoc client */ Set_MSR(padapter, WIFI_FW_ADHOC_STATE); val8 = 0xcf; rtw_hal_set_hwreg(padapter, HW_VAR_SEC_CFG, (u8 *)(&val8)); /* switch channel */ set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); beacon_timing_control(padapter); pmlmeinfo->state = WIFI_FW_ADHOC_STATE; report_join_res(padapter, 1); } else { return; } } void start_clnt_auth(struct adapter *padapter) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); del_timer_sync(&pmlmeext->link_timer); pmlmeinfo->state &= (~WIFI_FW_AUTH_NULL); pmlmeinfo->state |= WIFI_FW_AUTH_STATE; pmlmeinfo->auth_seq = 1; pmlmeinfo->reauth_count = 0; pmlmeinfo->reassoc_count = 0; pmlmeinfo->link_count = 0; pmlmeext->retry = 0; /* Because of AP's not receiving deauth before */ /* AP may: 1)not response auth or 2)deauth us after link is complete */ /* issue deauth before issuing auth to deal with the situation */ /* Commented by Albert 2012/07/21 */ /* For the Win8 P2P connection, it will be hard to have a successful connection if this Wi-Fi doesn't connect to it. */ issue_deauth(padapter, (&(pmlmeinfo->network))->MacAddress, WLAN_REASON_DEAUTH_LEAVING); DBG_88E_LEVEL(_drv_info_, "start auth\n"); issue_auth(padapter, NULL, 0); set_link_timer(pmlmeext, REAUTH_TO); } void start_clnt_assoc(struct adapter *padapter) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); del_timer_sync(&pmlmeext->link_timer); pmlmeinfo->state &= (~(WIFI_FW_AUTH_NULL | WIFI_FW_AUTH_STATE)); pmlmeinfo->state |= (WIFI_FW_AUTH_SUCCESS | WIFI_FW_ASSOC_STATE); issue_assocreq(padapter); set_link_timer(pmlmeext, REASSOC_TO); } 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); /* check A3 */ if (memcmp(MacAddr, get_my_bssid(&pmlmeinfo->network), ETH_ALEN)) return _SUCCESS; DBG_88E("%s\n", __func__); if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) { if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) { pmlmeinfo->state = WIFI_FW_NULL_STATE; report_del_sta_event(padapter, MacAddr, reason); } else if (pmlmeinfo->state & WIFI_FW_LINKING_STATE) { pmlmeinfo->state = WIFI_FW_NULL_STATE; report_join_res(padapter, -2); } } return _SUCCESS; } static void process_80211d(struct adapter *padapter, struct wlan_bssid_ex *bssid) { struct registry_priv *pregistrypriv; struct mlme_ext_priv *pmlmeext; struct rt_channel_info *chplan_new; u8 channel; u8 i; pregistrypriv = &padapter->registrypriv; pmlmeext = &padapter->mlmeextpriv; /* Adjust channel plan by AP Country IE */ if (pregistrypriv->enable80211d && (!pmlmeext->update_channel_plan_by_ap_done)) { u8 *ie, *p; u32 len; struct rt_channel_plan chplan_ap; struct rt_channel_info chplan_sta[MAX_CHANNEL_NUM]; u8 country[4]; u8 fcn; /* first channel number */ u8 noc; /* number of channel */ u8 j, k; ie = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _COUNTRY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_); if (!ie) return; if (len < 6) return; ie += 2; p = ie; ie += len; memset(country, 0, 4); memcpy(country, p, 3); p += 3; RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("%s: 802.11d country =%s\n", __func__, country)); i = 0; while ((ie - p) >= 3) { fcn = *(p++); noc = *(p++); p++; for (j = 0; j < noc; j++) { if (fcn <= 14) channel = fcn + j; /* 2.4 GHz */ else channel = fcn + j*4; /* 5 GHz */ chplan_ap.Channel[i++] = channel; } } chplan_ap.Len = i; memcpy(chplan_sta, pmlmeext->channel_set, sizeof(chplan_sta)); memset(pmlmeext->channel_set, 0, sizeof(pmlmeext->channel_set)); chplan_new = pmlmeext->channel_set; i = 0; j = 0; k = 0; if (pregistrypriv->wireless_mode & WIRELESS_11G) { do { if ((i == MAX_CHANNEL_NUM) || (chplan_sta[i].ChannelNum == 0) || (chplan_sta[i].ChannelNum > 14)) break; if ((j == chplan_ap.Len) || (chplan_ap.Channel[j] > 14)) break; if (chplan_sta[i].ChannelNum == chplan_ap.Channel[j]) { chplan_new[k].ChannelNum = chplan_ap.Channel[j]; chplan_new[k].ScanType = SCAN_ACTIVE; i++; j++; k++; } else if (chplan_sta[i].ChannelNum < chplan_ap.Channel[j]) { chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum; chplan_new[k].ScanType = SCAN_PASSIVE; i++; k++; } else if (chplan_sta[i].ChannelNum > chplan_ap.Channel[j]) { chplan_new[k].ChannelNum = chplan_ap.Channel[j]; chplan_new[k].ScanType = SCAN_ACTIVE; j++; k++; } } while (1); /* change AP not support channel to Passive scan */ while ((i < MAX_CHANNEL_NUM) && (chplan_sta[i].ChannelNum != 0) && (chplan_sta[i].ChannelNum <= 14)) { chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum; chplan_new[k].ScanType = SCAN_PASSIVE; i++; k++; } /* add channel AP supported */ while ((j < chplan_ap.Len) && (chplan_ap.Channel[j] <= 14)) { chplan_new[k].ChannelNum = chplan_ap.Channel[j]; chplan_new[k].ScanType = SCAN_ACTIVE; j++; k++; } } else { /* keep original STA 2.4G channel plan */ while ((i < MAX_CHANNEL_NUM) && (chplan_sta[i].ChannelNum != 0) && (chplan_sta[i].ChannelNum <= 14)) { chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum; chplan_new[k].ScanType = chplan_sta[i].ScanType; i++; k++; } /* skip AP 2.4G channel plan */ while ((j < chplan_ap.Len) && (chplan_ap.Channel[j] <= 14)) j++; } /* keep original STA 5G channel plan */ while ((i < MAX_CHANNEL_NUM) && (chplan_sta[i].ChannelNum != 0)) { chplan_new[k].ChannelNum = chplan_sta[i].ChannelNum; chplan_new[k].ScanType = chplan_sta[i].ScanType; i++; k++; } pmlmeext->update_channel_plan_by_ap_done = 1; } /* If channel is used by AP, set channel scan type to active */ channel = bssid->Configuration.DSConfig; chplan_new = pmlmeext->channel_set; i = 0; while ((i < MAX_CHANNEL_NUM) && (chplan_new[i].ChannelNum != 0)) { if (chplan_new[i].ChannelNum == channel) { if (chplan_new[i].ScanType == SCAN_PASSIVE) { chplan_new[i].ScanType = SCAN_ACTIVE; RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("%s: change channel %d scan type from passive to active\n", __func__, channel)); } break; } i++; } } /**************************************************************************** Following are the functions to report events *****************************************************************************/ void report_survey_event(struct adapter *padapter, struct recv_frame *precv_frame) { struct cmd_obj *pcmd_obj; u8 *pevtcmd; u32 cmdsz; struct survey_event *psurvey_evt; struct C2HEvent_Header *pc2h_evt_hdr; struct mlme_ext_priv *pmlmeext; struct cmd_priv *pcmdpriv; if (!padapter) return; pmlmeext = &padapter->mlmeextpriv; pcmdpriv = &padapter->cmdpriv; pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); if (pcmd_obj == NULL) return; cmdsz = (sizeof(struct survey_event) + sizeof(struct C2HEvent_Header)); pevtcmd = kzalloc(cmdsz, GFP_ATOMIC); if (pevtcmd == NULL) { kfree(pcmd_obj); return; } INIT_LIST_HEAD(&pcmd_obj->list); pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT); pcmd_obj->cmdsz = cmdsz; pcmd_obj->parmbuf = pevtcmd; pcmd_obj->rsp = NULL; pcmd_obj->rspsz = 0; pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd); pc2h_evt_hdr->len = sizeof(struct survey_event); pc2h_evt_hdr->ID = GEN_EVT_CODE(_Survey); pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq); psurvey_evt = (struct survey_event *)(pevtcmd + sizeof(struct C2HEvent_Header)); if (collect_bss_info(padapter, precv_frame, (struct wlan_bssid_ex *)&psurvey_evt->bss) == _FAIL) { kfree(pcmd_obj); kfree(pevtcmd); return; } process_80211d(padapter, &psurvey_evt->bss); rtw_enqueue_cmd(pcmdpriv, pcmd_obj); pmlmeext->sitesurvey_res.bss_cnt++; return; } void report_surveydone_event(struct adapter *padapter) { struct cmd_obj *pcmd_obj; u8 *pevtcmd; u32 cmdsz; struct surveydone_event *psurveydone_evt; struct C2HEvent_Header *pc2h_evt_hdr; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); if (pcmd_obj == NULL) return; cmdsz = (sizeof(struct surveydone_event) + sizeof(struct C2HEvent_Header)); pevtcmd = kzalloc(cmdsz, GFP_KERNEL); if (pevtcmd == NULL) { kfree(pcmd_obj); return; } INIT_LIST_HEAD(&pcmd_obj->list); pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT); pcmd_obj->cmdsz = cmdsz; pcmd_obj->parmbuf = pevtcmd; pcmd_obj->rsp = NULL; pcmd_obj->rspsz = 0; pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd); pc2h_evt_hdr->len = sizeof(struct surveydone_event); pc2h_evt_hdr->ID = GEN_EVT_CODE(_SurveyDone); pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq); psurveydone_evt = (struct surveydone_event *)(pevtcmd + sizeof(struct C2HEvent_Header)); psurveydone_evt->bss_cnt = pmlmeext->sitesurvey_res.bss_cnt; DBG_88E("survey done event(%x)\n", psurveydone_evt->bss_cnt); rtw_enqueue_cmd(pcmdpriv, pcmd_obj); return; } void report_join_res(struct adapter *padapter, int res) { struct cmd_obj *pcmd_obj; u8 *pevtcmd; u32 cmdsz; struct joinbss_event *pjoinbss_evt; struct C2HEvent_Header *pc2h_evt_hdr; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct cmd_priv *pcmdpriv = &padapter->cmdpriv; pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); if (pcmd_obj == NULL) return; cmdsz = (sizeof(struct joinbss_event) + sizeof(struct C2HEvent_Header)); pevtcmd = kzalloc(cmdsz, GFP_ATOMIC); if (pevtcmd == NULL) { kfree(pcmd_obj); return; } INIT_LIST_HEAD(&pcmd_obj->list); pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT); pcmd_obj->cmdsz = cmdsz; pcmd_obj->parmbuf = pevtcmd; pcmd_obj->rsp = NULL; pcmd_obj->rspsz = 0; pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd); pc2h_evt_hdr->len = sizeof(struct joinbss_event); pc2h_evt_hdr->ID = GEN_EVT_CODE(_JoinBss); pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq); pjoinbss_evt = (struct joinbss_event *)(pevtcmd + sizeof(struct C2HEvent_Header)); memcpy((unsigned char *)(&(pjoinbss_evt->network.network)), &(pmlmeinfo->network), sizeof(struct wlan_bssid_ex)); pjoinbss_evt->network.join_res = res; pjoinbss_evt->network.aid = res; DBG_88E("report_join_res(%d)\n", res); rtw_joinbss_event_prehandle(padapter, (u8 *)&pjoinbss_evt->network); rtw_enqueue_cmd(pcmdpriv, pcmd_obj); return; } void report_del_sta_event(struct adapter *padapter, unsigned char *MacAddr, unsigned short reason) { struct cmd_obj *pcmd_obj; u8 *pevtcmd; u32 cmdsz; struct sta_info *psta; int mac_id; struct stadel_event *pdel_sta_evt; struct C2HEvent_Header *pc2h_evt_hdr; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); if (pcmd_obj == NULL) return; cmdsz = (sizeof(struct stadel_event) + sizeof(struct C2HEvent_Header)); pevtcmd = kzalloc(cmdsz, GFP_KERNEL); if (pevtcmd == NULL) { kfree(pcmd_obj); return; } INIT_LIST_HEAD(&pcmd_obj->list); pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT); pcmd_obj->cmdsz = cmdsz; pcmd_obj->parmbuf = pevtcmd; pcmd_obj->rsp = NULL; pcmd_obj->rspsz = 0; pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd); pc2h_evt_hdr->len = sizeof(struct stadel_event); pc2h_evt_hdr->ID = GEN_EVT_CODE(_DelSTA); pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq); pdel_sta_evt = (struct stadel_event *)(pevtcmd + sizeof(struct C2HEvent_Header)); memcpy((unsigned char *)(&(pdel_sta_evt->macaddr)), MacAddr, ETH_ALEN); memcpy((unsigned char *)(pdel_sta_evt->rsvd), (unsigned char *)(&reason), 2); psta = rtw_get_stainfo(&padapter->stapriv, MacAddr); if (psta) mac_id = (int)psta->mac_id; else mac_id = (-1); pdel_sta_evt->mac_id = mac_id; DBG_88E("report_del_sta_event: delete STA, mac_id =%d\n", mac_id); rtw_enqueue_cmd(pcmdpriv, pcmd_obj); return; } void report_add_sta_event(struct adapter *padapter, unsigned char *MacAddr, int cam_idx) { struct cmd_obj *pcmd_obj; u8 *pevtcmd; u32 cmdsz; struct stassoc_event *padd_sta_evt; struct C2HEvent_Header *pc2h_evt_hdr; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; pcmd_obj = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); if (pcmd_obj == NULL) return; cmdsz = (sizeof(struct stassoc_event) + sizeof(struct C2HEvent_Header)); pevtcmd = kzalloc(cmdsz, GFP_KERNEL); if (pevtcmd == NULL) { kfree(pcmd_obj); return; } INIT_LIST_HEAD(&pcmd_obj->list); pcmd_obj->cmdcode = GEN_CMD_CODE(_Set_MLME_EVT); pcmd_obj->cmdsz = cmdsz; pcmd_obj->parmbuf = pevtcmd; pcmd_obj->rsp = NULL; pcmd_obj->rspsz = 0; pc2h_evt_hdr = (struct C2HEvent_Header *)(pevtcmd); pc2h_evt_hdr->len = sizeof(struct stassoc_event); pc2h_evt_hdr->ID = GEN_EVT_CODE(_AddSTA); pc2h_evt_hdr->seq = atomic_inc_return(&pmlmeext->event_seq); padd_sta_evt = (struct stassoc_event *)(pevtcmd + sizeof(struct C2HEvent_Header)); memcpy((unsigned char *)(&(padd_sta_evt->macaddr)), MacAddr, ETH_ALEN); padd_sta_evt->cam_id = cam_idx; DBG_88E("report_add_sta_event: add STA\n"); rtw_enqueue_cmd(pcmdpriv, pcmd_obj); return; } /**************************************************************************** Following are the event callback functions *****************************************************************************/ /* for sta/adhoc mode */ void update_sta_info(struct adapter *padapter, struct sta_info *psta) { struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); /* ERP */ VCS_update(padapter, psta); /* HT */ if (pmlmepriv->htpriv.ht_option) { psta->htpriv.ht_option = true; psta->htpriv.ampdu_enable = pmlmepriv->htpriv.ampdu_enable; if (support_short_GI(padapter, &(pmlmeinfo->HT_caps))) psta->htpriv.sgi = true; psta->qos_option = true; } else { psta->htpriv.ht_option = false; psta->htpriv.ampdu_enable = false; psta->htpriv.sgi = false; psta->qos_option = false; } psta->htpriv.bwmode = pmlmeext->cur_bwmode; psta->htpriv.ch_offset = pmlmeext->cur_ch_offset; psta->htpriv.agg_enable_bitmap = 0x0;/* reset */ psta->htpriv.candidate_tid_bitmap = 0x0;/* reset */ /* QoS */ if (pmlmepriv->qospriv.qos_option) psta->qos_option = true; psta->state = _FW_LINKED; } void mlmeext_joinbss_event_callback(struct adapter *padapter, int join_res) { struct sta_info *psta, *psta_bmc; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); struct sta_priv *pstapriv = &padapter->stapriv; u8 join_type; u16 media_status; if (join_res < 0) { join_type = 1; rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type)); rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, null_addr); /* restore to initial setting. */ update_tx_basic_rate(padapter, padapter->registrypriv.wireless_mode); goto exit_mlmeext_joinbss_event_callback; } if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) { /* for bc/mc */ psta_bmc = rtw_get_bcmc_stainfo(padapter); if (psta_bmc) { pmlmeinfo->FW_sta_info[psta_bmc->mac_id].psta = psta_bmc; update_bmc_sta_support_rate(padapter, psta_bmc->mac_id); Update_RA_Entry(padapter, psta_bmc->mac_id); } } /* turn on dynamic functions */ Switch_DM_Func(padapter, DYNAMIC_ALL_FUNC_ENABLE, true); /* update IOT-related issue */ update_IOT_info(padapter); rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, cur_network->SupportedRates); /* BCN interval */ rtw_hal_set_hwreg(padapter, HW_VAR_BEACON_INTERVAL, (u8 *)(&pmlmeinfo->bcn_interval)); /* update capability */ update_capinfo(padapter, pmlmeinfo->capability); /* WMM, Update EDCA param */ WMMOnAssocRsp(padapter); /* HT */ HTOnAssocRsp(padapter); set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress); if (psta) { /* only for infra. mode */ pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta; psta->wireless_mode = pmlmeext->cur_wireless_mode; /* set per sta rate after updating HT cap. */ set_sta_rate(padapter, psta); rtw_hal_set_hwreg(padapter, HW_VAR_TX_RPT_MAX_MACID, (u8 *)&psta->mac_id); media_status = (psta->mac_id<<8)|1; /* MACID|OPMODE: 1 means connect */ rtw_hal_set_hwreg(padapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status); } join_type = 2; rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type)); if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) { /* correcting TSF */ correct_TSF(padapter, pmlmeext); } rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_CONNECT, 0); exit_mlmeext_joinbss_event_callback: DBG_88E("=>%s\n", __func__); } void mlmeext_sta_add_event_callback(struct adapter *padapter, struct sta_info *psta) { struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); u8 join_type; DBG_88E("%s\n", __func__); if ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) { if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) {/* adhoc master or sta_count>1 */ /* nothing to do */ } else { /* adhoc client */ /* correcting TSF */ correct_TSF(padapter, pmlmeext); /* start beacon */ if (send_beacon(padapter) == _FAIL) { pmlmeinfo->FW_sta_info[psta->mac_id].status = 0; pmlmeinfo->state ^= WIFI_FW_ADHOC_STATE; return; } pmlmeinfo->state |= WIFI_FW_ASSOC_SUCCESS; } join_type = 2; rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type)); } pmlmeinfo->FW_sta_info[psta->mac_id].psta = psta; /* rate radaptive */ Update_RA_Entry(padapter, psta->mac_id); /* update adhoc sta_info */ update_sta_info(padapter, psta); } void mlmeext_sta_del_event_callback(struct adapter *padapter) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); if (is_client_associated_to_ap(padapter) || is_IBSS_empty(padapter)) { rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL); rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, null_addr); /* restore to initial setting. */ update_tx_basic_rate(padapter, padapter->registrypriv.wireless_mode); /* switch to the 20M Hz mode after disconnect */ pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20; pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; /* SelectChannel(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset); */ set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); flush_all_cam_entry(padapter); pmlmeinfo->state = WIFI_FW_NULL_STATE; /* set MSR to no link state -> infra. mode */ Set_MSR(padapter, _HW_STATE_STATION_); del_timer_sync(&pmlmeext->link_timer); } } /**************************************************************************** Following are the functions for the timer handlers *****************************************************************************/ void _linked_rx_signal_strehgth_display(struct adapter *padapter); void _linked_rx_signal_strehgth_display(struct adapter *padapter) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); u8 mac_id; int UndecoratedSmoothedPWDB; if ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE) mac_id = 0; else if ((pmlmeinfo->state&0x03) == _HW_STATE_AP_) mac_id = 2; rtw_hal_get_def_var(padapter, HW_DEF_RA_INFO_DUMP, &mac_id); rtw_hal_get_def_var(padapter, HAL_DEF_UNDERCORATEDSMOOTHEDPWDB, &UndecoratedSmoothedPWDB); DBG_88E("UndecoratedSmoothedPWDB:%d\n", UndecoratedSmoothedPWDB); } static u8 chk_ap_is_alive(struct adapter *padapter, struct sta_info *psta) { u8 ret = false; if ((sta_rx_data_pkts(psta) == sta_last_rx_data_pkts(psta)) && sta_rx_beacon_pkts(psta) == sta_last_rx_beacon_pkts(psta) && sta_rx_probersp_pkts(psta) == sta_last_rx_probersp_pkts(psta)) ret = false; else ret = true; sta_update_last_rx_pkts(psta); return ret; } void linked_status_chk(struct adapter *padapter) { u32 i; struct sta_info *psta; struct xmit_priv *pxmitpriv = &(padapter->xmitpriv); struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct sta_priv *pstapriv = &padapter->stapriv; if (padapter->bRxRSSIDisplay) _linked_rx_signal_strehgth_display(padapter); if (is_client_associated_to_ap(padapter)) { /* linked infrastructure client mode */ int tx_chk = _SUCCESS, rx_chk = _SUCCESS; int rx_chk_limit; rx_chk_limit = 4; psta = rtw_get_stainfo(pstapriv, pmlmeinfo->network.MacAddress); if (psta != NULL) { bool is_p2p_enable = false; if (!chk_ap_is_alive(padapter, psta)) rx_chk = _FAIL; if (pxmitpriv->last_tx_pkts == pxmitpriv->tx_pkts) tx_chk = _FAIL; if (pmlmeext->active_keep_alive_check && (rx_chk == _FAIL || tx_chk == _FAIL)) { u8 backup_oper_channel = 0; /* switch to correct channel of current network before issue keep-alive frames */ if (rtw_get_oper_ch(padapter) != pmlmeext->cur_channel) { backup_oper_channel = rtw_get_oper_ch(padapter); SelectChannel(padapter, pmlmeext->cur_channel); } if (rx_chk != _SUCCESS) issue_probereq_ex(padapter, &pmlmeinfo->network.Ssid, psta->hwaddr, 3, 1); if ((tx_chk != _SUCCESS && pmlmeinfo->link_count++ == 0xf) || rx_chk != _SUCCESS) { tx_chk = issue_nulldata(padapter, psta->hwaddr, 0, 3, 1); /* if tx acked and p2p disabled, set rx_chk _SUCCESS to reset retry count */ if (tx_chk == _SUCCESS && !is_p2p_enable) rx_chk = _SUCCESS; } /* back to the original operation channel */ if (backup_oper_channel > 0) SelectChannel(padapter, backup_oper_channel); } else { if (rx_chk != _SUCCESS) { if (pmlmeext->retry == 0) { issue_probereq(padapter, &pmlmeinfo->network.Ssid, pmlmeinfo->network.MacAddress); issue_probereq(padapter, &pmlmeinfo->network.Ssid, pmlmeinfo->network.MacAddress); issue_probereq(padapter, &pmlmeinfo->network.Ssid, pmlmeinfo->network.MacAddress); } } if (tx_chk != _SUCCESS && pmlmeinfo->link_count++ == 0xf) { tx_chk = issue_nulldata(padapter, NULL, 0, 1, 0); } } if (rx_chk == _FAIL) { pmlmeext->retry++; if (pmlmeext->retry > rx_chk_limit) { DBG_88E_LEVEL(_drv_always_, FUNC_ADPT_FMT" disconnect or roaming\n", FUNC_ADPT_ARG(padapter)); receive_disconnect(padapter, pmlmeinfo->network.MacAddress, WLAN_REASON_EXPIRATION_CHK); return; } } else { pmlmeext->retry = 0; } if (tx_chk == _FAIL) { pmlmeinfo->link_count &= 0xf; } else { pxmitpriv->last_tx_pkts = pxmitpriv->tx_pkts; pmlmeinfo->link_count = 0; } } /* end of if ((psta = rtw_get_stainfo(pstapriv, passoc_res->network.MacAddress)) != NULL) */ } else if (is_client_associated_to_ibss(padapter)) { /* linked IBSS mode */ /* for each assoc list entry to check the rx pkt counter */ for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) { if (pmlmeinfo->FW_sta_info[i].status == 1) { psta = pmlmeinfo->FW_sta_info[i].psta; if (NULL == psta) continue; if (pmlmeinfo->FW_sta_info[i].rx_pkt == sta_rx_pkts(psta)) { if (pmlmeinfo->FW_sta_info[i].retry < 3) { pmlmeinfo->FW_sta_info[i].retry++; } else { pmlmeinfo->FW_sta_info[i].retry = 0; pmlmeinfo->FW_sta_info[i].status = 0; report_del_sta_event(padapter, psta->hwaddr , 65535/* indicate disconnect caused by no rx */ ); } } else { pmlmeinfo->FW_sta_info[i].retry = 0; pmlmeinfo->FW_sta_info[i].rx_pkt = (u32)sta_rx_pkts(psta); } } } } } void survey_timer_hdl(void *function_context) { struct adapter *padapter = (struct adapter *)function_context; struct cmd_obj *ph2c; struct sitesurvey_parm *psurveyPara; struct cmd_priv *pcmdpriv = &padapter->cmdpriv; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; /* issue rtw_sitesurvey_cmd */ if (pmlmeext->sitesurvey_res.state > SCAN_START) { if (pmlmeext->sitesurvey_res.state == SCAN_PROCESS) pmlmeext->sitesurvey_res.channel_idx++; if (pmlmeext->scan_abort) { pmlmeext->sitesurvey_res.channel_idx = pmlmeext->sitesurvey_res.ch_num; DBG_88E("%s idx:%d\n", __func__ , pmlmeext->sitesurvey_res.channel_idx); pmlmeext->scan_abort = false;/* reset */ } ph2c = kzalloc(sizeof(struct cmd_obj), GFP_ATOMIC); if (ph2c == NULL) goto exit_survey_timer_hdl; psurveyPara = kzalloc(sizeof(struct sitesurvey_parm), GFP_ATOMIC); if (psurveyPara == NULL) { kfree(ph2c); goto exit_survey_timer_hdl; } init_h2fwcmd_w_parm_no_rsp(ph2c, psurveyPara, GEN_CMD_CODE(_SiteSurvey)); rtw_enqueue_cmd(pcmdpriv, ph2c); } exit_survey_timer_hdl: return; } void link_timer_hdl(void *function_context) { struct adapter *padapter = (struct adapter *)function_context; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); if (pmlmeinfo->state & WIFI_FW_AUTH_NULL) { DBG_88E("link_timer_hdl:no beacon while connecting\n"); pmlmeinfo->state = WIFI_FW_NULL_STATE; report_join_res(padapter, -3); } else if (pmlmeinfo->state & WIFI_FW_AUTH_STATE) { /* re-auth timer */ if (++pmlmeinfo->reauth_count > REAUTH_LIMIT) { pmlmeinfo->state = 0; report_join_res(padapter, -1); return; } DBG_88E("link_timer_hdl: auth timeout and try again\n"); pmlmeinfo->auth_seq = 1; issue_auth(padapter, NULL, 0); set_link_timer(pmlmeext, REAUTH_TO); } else if (pmlmeinfo->state & WIFI_FW_ASSOC_STATE) { /* re-assoc timer */ if (++pmlmeinfo->reassoc_count > REASSOC_LIMIT) { pmlmeinfo->state = WIFI_FW_NULL_STATE; report_join_res(padapter, -2); return; } DBG_88E("link_timer_hdl: assoc timeout and try again\n"); issue_assocreq(padapter); set_link_timer(pmlmeext, REASSOC_TO); } return; } void addba_timer_hdl(void *function_context) { struct sta_info *psta = (struct sta_info *)function_context; struct ht_priv *phtpriv; if (!psta) return; phtpriv = &psta->htpriv; if ((phtpriv->ht_option) && (phtpriv->ampdu_enable)) { if (phtpriv->candidate_tid_bitmap) phtpriv->candidate_tid_bitmap = 0x0; } } u8 NULL_hdl(struct adapter *padapter, u8 *pbuf) { return H2C_SUCCESS; } u8 setopmode_hdl(struct adapter *padapter, u8 *pbuf) { u8 type; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct setopmode_parm *psetop = (struct setopmode_parm *)pbuf; if (psetop->mode == Ndis802_11APMode) { pmlmeinfo->state = WIFI_FW_AP_STATE; type = _HW_STATE_AP_; } else if (psetop->mode == Ndis802_11Infrastructure) { pmlmeinfo->state &= ~(BIT(0)|BIT(1));/* clear state */ pmlmeinfo->state |= WIFI_FW_STATION_STATE;/* set to STATION_STATE */ type = _HW_STATE_STATION_; } else if (psetop->mode == Ndis802_11IBSS) { type = _HW_STATE_ADHOC_; } else { type = _HW_STATE_NOLINK_; } rtw_hal_set_hwreg(padapter, HW_VAR_SET_OPMODE, (u8 *)(&type)); /* Set_NETYPE0_MSR(padapter, type); */ return H2C_SUCCESS; } u8 createbss_hdl(struct adapter *padapter, u8 *pbuf) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network)); struct wlan_bssid_ex *pparm = (struct wlan_bssid_ex *)pbuf; /* u32 initialgain; */ if (pparm->InfrastructureMode == Ndis802_11APMode) { #ifdef CONFIG_88EU_AP_MODE if (pmlmeinfo->state == WIFI_FW_AP_STATE) { /* todo: */ return H2C_SUCCESS; } #endif } /* below is for ad-hoc master */ if (pparm->InfrastructureMode == Ndis802_11IBSS) { rtw_joinbss_reset(padapter); pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20; pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; pmlmeinfo->ERP_enable = 0; pmlmeinfo->WMM_enable = 0; pmlmeinfo->HT_enable = 0; pmlmeinfo->HT_caps_enable = 0; pmlmeinfo->HT_info_enable = 0; pmlmeinfo->agg_enable_bitmap = 0; pmlmeinfo->candidate_tid_bitmap = 0; /* disable dynamic functions, such as high power, DIG */ Save_DM_Func_Flag(padapter); Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false); /* config the initial gain under linking, need to write the BB registers */ /* initialgain = 0x1E; */ /* rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); */ /* cancel link timer */ del_timer_sync(&pmlmeext->link_timer); /* clear CAM */ flush_all_cam_entry(padapter); memcpy(pnetwork, pbuf, FIELD_OFFSET(struct wlan_bssid_ex, IELength)); pnetwork->IELength = ((struct wlan_bssid_ex *)pbuf)->IELength; if (pnetwork->IELength > MAX_IE_SZ)/* Check pbuf->IELength */ return H2C_PARAMETERS_ERROR; memcpy(pnetwork->IEs, ((struct wlan_bssid_ex *)pbuf)->IEs, pnetwork->IELength); start_create_ibss(padapter); } return H2C_SUCCESS; } u8 join_cmd_hdl(struct adapter *padapter, u8 *pbuf) { u8 join_type; struct ndis_802_11_var_ie *pIE; struct registry_priv *pregpriv = &padapter->registrypriv; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network)); struct wlan_bssid_ex *pparm = (struct wlan_bssid_ex *)pbuf; u32 i; /* check already connecting to AP or not */ if (pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) { if (pmlmeinfo->state & WIFI_FW_STATION_STATE) issue_deauth_ex(padapter, pnetwork->MacAddress, WLAN_REASON_DEAUTH_LEAVING, 5, 100); pmlmeinfo->state = WIFI_FW_NULL_STATE; /* clear CAM */ flush_all_cam_entry(padapter); del_timer_sync(&pmlmeext->link_timer); /* set MSR to nolink -> infra. mode */ Set_MSR(padapter, _HW_STATE_STATION_); rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL); } rtw_antenna_select_cmd(padapter, pparm->PhyInfo.Optimum_antenna, false); rtw_joinbss_reset(padapter); pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20; pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; pmlmeinfo->ERP_enable = 0; pmlmeinfo->WMM_enable = 0; pmlmeinfo->HT_enable = 0; pmlmeinfo->HT_caps_enable = 0; pmlmeinfo->HT_info_enable = 0; pmlmeinfo->agg_enable_bitmap = 0; pmlmeinfo->candidate_tid_bitmap = 0; pmlmeinfo->bwmode_updated = false; memcpy(pnetwork, pbuf, FIELD_OFFSET(struct wlan_bssid_ex, IELength)); pnetwork->IELength = ((struct wlan_bssid_ex *)pbuf)->IELength; if (pnetwork->IELength > MAX_IE_SZ)/* Check pbuf->IELength */ return H2C_PARAMETERS_ERROR; memcpy(pnetwork->IEs, ((struct wlan_bssid_ex *)pbuf)->IEs, pnetwork->IELength); /* Check AP vendor to move rtw_joinbss_cmd() */ for (i = sizeof(struct ndis_802_11_fixed_ie); i < pnetwork->IELength;) { pIE = (struct ndis_802_11_var_ie *)(pnetwork->IEs + i); switch (pIE->ElementID) { case _VENDOR_SPECIFIC_IE_:/* Get WMM IE. */ if (!memcmp(pIE->data, WMM_OUI, 4)) pmlmeinfo->WMM_enable = 1; break; case _HT_CAPABILITY_IE_: /* Get HT Cap IE. */ pmlmeinfo->HT_caps_enable = 1; break; case _HT_EXTRA_INFO_IE_: /* Get HT Info IE. */ pmlmeinfo->HT_info_enable = 1; /* spec case only for cisco's ap because cisco's ap issue assoc rsp using mcs rate @40MHz or @20MHz */ { struct HT_info_element *pht_info = (struct HT_info_element *)(pIE->data); if ((pregpriv->cbw40_enable) && (pht_info->infos[0] & BIT(2))) { /* switch to the 40M Hz mode according to the AP */ pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40; switch (pht_info->infos[0] & 0x3) { case 1: pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; break; case 3: pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; break; default: pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; break; } DBG_88E("set ch/bw before connected\n"); } } break; default: break; } i += (pIE->Length + 2); } /* disable dynamic functions, such as high power, DIG */ /* config the initial gain under linking, need to write the BB registers */ rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, pmlmeinfo->network.MacAddress); join_type = 0; rtw_hal_set_hwreg(padapter, HW_VAR_MLME_JOIN, (u8 *)(&join_type)); /* cancel link timer */ del_timer_sync(&pmlmeext->link_timer); start_clnt_join(padapter); return H2C_SUCCESS; } u8 disconnect_hdl(struct adapter *padapter, unsigned char *pbuf) { struct disconnect_parm *param = (struct disconnect_parm *)pbuf; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *pnetwork = (struct wlan_bssid_ex *)(&(pmlmeinfo->network)); u8 val8; if (is_client_associated_to_ap(padapter)) issue_deauth_ex(padapter, pnetwork->MacAddress, WLAN_REASON_DEAUTH_LEAVING, param->deauth_timeout_ms/100, 100); rtw_hal_set_hwreg(padapter, HW_VAR_MLME_DISCONNECT, NULL); rtw_hal_set_hwreg(padapter, HW_VAR_BSSID, null_addr); /* restore to initial setting. */ update_tx_basic_rate(padapter, padapter->registrypriv.wireless_mode); if (((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE) || ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)) { /* Stop BCN */ val8 = 0; rtw_hal_set_hwreg(padapter, HW_VAR_BCN_FUNC, (u8 *)(&val8)); } /* set MSR to no link state -> infra. mode */ Set_MSR(padapter, _HW_STATE_STATION_); pmlmeinfo->state = WIFI_FW_NULL_STATE; /* switch to the 20M Hz mode after disconnect */ pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_20; pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); flush_all_cam_entry(padapter); del_timer_sync(&pmlmeext->link_timer); rtw_free_uc_swdec_pending_queue(padapter); return H2C_SUCCESS; } static int rtw_scan_ch_decision(struct adapter *padapter, struct rtw_ieee80211_channel *out, u32 out_num, struct rtw_ieee80211_channel *in, u32 in_num) { int i, j; int set_idx; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; /* clear out first */ memset(out, 0, sizeof(struct rtw_ieee80211_channel)*out_num); /* acquire channels from in */ j = 0; for (i = 0; i < in_num; i++) { set_idx = rtw_ch_set_search_ch(pmlmeext->channel_set, in[i].hw_value); if (in[i].hw_value && !(in[i].flags & RTW_IEEE80211_CHAN_DISABLED) && set_idx >= 0) { out[j] = in[i]; if (pmlmeext->channel_set[set_idx].ScanType == SCAN_PASSIVE) out[j].flags &= RTW_IEEE80211_CHAN_PASSIVE_SCAN; j++; } if (j >= out_num) break; } /* if out is empty, use channel_set as default */ if (j == 0) { for (i = 0; i < pmlmeext->max_chan_nums; i++) { out[i].hw_value = pmlmeext->channel_set[i].ChannelNum; if (pmlmeext->channel_set[i].ScanType == SCAN_PASSIVE) out[i].flags &= RTW_IEEE80211_CHAN_PASSIVE_SCAN; j++; } } return j; } u8 sitesurvey_cmd_hdl(struct adapter *padapter, u8 *pbuf) { struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct sitesurvey_parm *pparm = (struct sitesurvey_parm *)pbuf; u8 bdelayscan = false; u8 val8; u32 initialgain; u32 i; if (pmlmeext->sitesurvey_res.state == SCAN_DISABLE) { /* for first time sitesurvey_cmd */ rtw_hal_set_hwreg(padapter, HW_VAR_CHECK_TXBUF, NULL); pmlmeext->sitesurvey_res.state = SCAN_START; pmlmeext->sitesurvey_res.bss_cnt = 0; pmlmeext->sitesurvey_res.channel_idx = 0; for (i = 0; i < RTW_SSID_SCAN_AMOUNT; i++) { if (pparm->ssid[i].SsidLength) { memcpy(pmlmeext->sitesurvey_res.ssid[i].Ssid, pparm->ssid[i].Ssid, IW_ESSID_MAX_SIZE); pmlmeext->sitesurvey_res.ssid[i].SsidLength = pparm->ssid[i].SsidLength; } else { pmlmeext->sitesurvey_res.ssid[i].SsidLength = 0; } } pmlmeext->sitesurvey_res.ch_num = rtw_scan_ch_decision(padapter , pmlmeext->sitesurvey_res.ch, RTW_CHANNEL_SCAN_AMOUNT , pparm->ch, pparm->ch_num ); pmlmeext->sitesurvey_res.scan_mode = pparm->scan_mode; /* issue null data if associating to the AP */ if (is_client_associated_to_ap(padapter)) { pmlmeext->sitesurvey_res.state = SCAN_TXNULL; issue_nulldata(padapter, NULL, 1, 3, 500); bdelayscan = true; } if (bdelayscan) { /* delay 50ms to protect nulldata(1). */ set_survey_timer(pmlmeext, 50); return H2C_SUCCESS; } } if ((pmlmeext->sitesurvey_res.state == SCAN_START) || (pmlmeext->sitesurvey_res.state == SCAN_TXNULL)) { /* disable dynamic functions, such as high power, DIG */ Save_DM_Func_Flag(padapter); Switch_DM_Func(padapter, DYNAMIC_FUNC_DISABLE, false); /* config the initial gain under scanning, need to write the BB registers */ initialgain = 0x1E; rtw_hal_set_hwreg(padapter, HW_VAR_INITIAL_GAIN, (u8 *)(&initialgain)); /* set MSR to no link state */ Set_MSR(padapter, _HW_STATE_NOLINK_); val8 = 1; /* under site survey */ rtw_hal_set_hwreg(padapter, HW_VAR_MLME_SITESURVEY, (u8 *)(&val8)); pmlmeext->sitesurvey_res.state = SCAN_PROCESS; } site_survey(padapter); return H2C_SUCCESS; } u8 setauth_hdl(struct adapter *padapter, unsigned char *pbuf) { struct setauth_parm *pparm = (struct setauth_parm *)pbuf; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); if (pparm->mode < 4) pmlmeinfo->auth_algo = pparm->mode; return H2C_SUCCESS; } u8 setkey_hdl(struct adapter *padapter, u8 *pbuf) { unsigned short ctrl; struct setkey_parm *pparm = (struct setkey_parm *)pbuf; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; /* main tx key for wep. */ if (pparm->set_tx) pmlmeinfo->key_index = pparm->keyid; /* write cam */ ctrl = BIT(15) | ((pparm->algorithm) << 2) | pparm->keyid; DBG_88E_LEVEL(_drv_info_, "set group key to hw: alg:%d(WEP40-1 WEP104-5 TKIP-2 AES-4) " "keyid:%d\n", pparm->algorithm, pparm->keyid); write_cam(padapter, pparm->keyid, ctrl, null_sta, pparm->key); return H2C_SUCCESS; } u8 set_stakey_hdl(struct adapter *padapter, u8 *pbuf) { u16 ctrl = 0; u8 cam_id;/* cam_entry */ struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct set_stakey_parm *pparm = (struct set_stakey_parm *)pbuf; /* cam_entry: */ /* 0~3 for default key */ /* for concurrent mode (ap+sta): */ /* default key is disable, using sw encrypt/decrypt */ /* cam_entry = 4 for sta mode (macid = 0) */ /* cam_entry(macid+3) = 5 ~ N for ap mode (aid = 1~N, macid = 2 ~N) */ /* for concurrent mode (sta+sta): */ /* default key is disable, using sw encrypt/decrypt */ /* cam_entry = 4 mapping to macid = 0 */ /* cam_entry = 5 mapping to macid = 2 */ cam_id = 4; DBG_88E_LEVEL(_drv_info_, "set pairwise key to hw: alg:%d(WEP40-1 WEP104-5 TKIP-2 AES-4) camid:%d\n", pparm->algorithm, cam_id); if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) { struct sta_info *psta; struct sta_priv *pstapriv = &padapter->stapriv; if (pparm->algorithm == _NO_PRIVACY_) /* clear cam entry */ { clear_cam_entry(padapter, pparm->id); return H2C_SUCCESS_RSP; } psta = rtw_get_stainfo(pstapriv, pparm->addr); if (psta) { ctrl = (BIT(15) | ((pparm->algorithm) << 2)); DBG_88E("r871x_set_stakey_hdl(): enc_algorithm=%d\n", pparm->algorithm); if ((psta->mac_id < 1) || (psta->mac_id > (NUM_STA-4))) { DBG_88E("r871x_set_stakey_hdl():set_stakey failed, mac_id(aid)=%d\n", psta->mac_id); return H2C_REJECTED; } cam_id = (psta->mac_id + 3);/* 0~3 for default key, cmd_id = macid + 3, macid = aid+1; */ DBG_88E("Write CAM, mac_addr =%x:%x:%x:%x:%x:%x, cam_entry=%d\n", pparm->addr[0], pparm->addr[1], pparm->addr[2], pparm->addr[3], pparm->addr[4], pparm->addr[5], cam_id); write_cam(padapter, cam_id, ctrl, pparm->addr, pparm->key); return H2C_SUCCESS_RSP; } else { DBG_88E("r871x_set_stakey_hdl(): sta has been free\n"); return H2C_REJECTED; } } /* below for sta mode */ if (pparm->algorithm == _NO_PRIVACY_) { /* clear cam entry */ clear_cam_entry(padapter, pparm->id); return H2C_SUCCESS; } ctrl = BIT(15) | ((pparm->algorithm) << 2); write_cam(padapter, cam_id, ctrl, pparm->addr, pparm->key); pmlmeinfo->enc_algo = pparm->algorithm; return H2C_SUCCESS; } u8 add_ba_hdl(struct adapter *padapter, unsigned char *pbuf) { struct addBaReq_parm *pparm = (struct addBaReq_parm *)pbuf; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, pparm->addr); if (!psta) return H2C_SUCCESS; if (((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && (pmlmeinfo->HT_enable)) || ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE)) { issue_action_BA(padapter, pparm->addr, RTW_WLAN_ACTION_ADDBA_REQ, (u16)pparm->tid); _set_timer(&psta->addba_retry_timer, ADDBA_TO); } else { psta->htpriv.candidate_tid_bitmap &= ~BIT(pparm->tid); } return H2C_SUCCESS; } u8 set_tx_beacon_cmd(struct adapter *padapter) { struct cmd_obj *ph2c; struct wlan_bssid_ex *ptxBeacon_parm; struct cmd_priv *pcmdpriv = &(padapter->cmdpriv); struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); u8 res = _SUCCESS; int len_diff = 0; ph2c = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); if (ph2c == NULL) { res = _FAIL; goto exit; } ptxBeacon_parm = kzalloc(sizeof(struct wlan_bssid_ex), GFP_KERNEL); if (ptxBeacon_parm == NULL) { kfree(ph2c); res = _FAIL; goto exit; } memcpy(ptxBeacon_parm, &(pmlmeinfo->network), sizeof(struct wlan_bssid_ex)); len_diff = update_hidden_ssid(ptxBeacon_parm->IEs+_BEACON_IE_OFFSET_, ptxBeacon_parm->IELength-_BEACON_IE_OFFSET_, pmlmeinfo->hidden_ssid_mode); ptxBeacon_parm->IELength += len_diff; init_h2fwcmd_w_parm_no_rsp(ph2c, ptxBeacon_parm, GEN_CMD_CODE(_TX_Beacon)); res = rtw_enqueue_cmd(pcmdpriv, ph2c); exit: return res; } u8 mlme_evt_hdl(struct adapter *padapter, unsigned char *pbuf) { u8 evt_code; u16 evt_sz; uint *peventbuf; void (*event_callback)(struct adapter *dev, u8 *pbuf); peventbuf = (uint *)pbuf; evt_sz = (u16)(*peventbuf&0xffff); evt_code = (u8)((*peventbuf>>16)&0xff); /* checking if event code is valid */ if (evt_code >= MAX_C2HEVT) { RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\nEvent Code(%d) mismatch!\n", evt_code)); goto _abort_event_; } /* checking if event size match the event parm size */ if ((wlanevents[evt_code].parmsize != 0) && (wlanevents[evt_code].parmsize != evt_sz)) { RT_TRACE(_module_rtl871x_cmd_c_, _drv_err_, ("\nEvent(%d) Parm Size mismatch (%d vs %d)!\n", evt_code, wlanevents[evt_code].parmsize, evt_sz)); goto _abort_event_; } peventbuf += 2; if (peventbuf) { event_callback = wlanevents[evt_code].event_callback; event_callback(padapter, (u8 *)peventbuf); } _abort_event_: return H2C_SUCCESS; } u8 tx_beacon_hdl(struct adapter *padapter, unsigned char *pbuf) { if (send_beacon(padapter) == _FAIL) { DBG_88E("issue_beacon, fail!\n"); return H2C_PARAMETERS_ERROR; } #ifdef CONFIG_88EU_AP_MODE else { /* tx bc/mc frames after update TIM */ struct sta_info *psta_bmc; struct list_head *xmitframe_plist, *xmitframe_phead; struct xmit_frame *pxmitframe = NULL; struct sta_priv *pstapriv = &padapter->stapriv; /* for BC/MC Frames */ psta_bmc = rtw_get_bcmc_stainfo(padapter); if (!psta_bmc) return H2C_SUCCESS; if ((pstapriv->tim_bitmap&BIT(0)) && (psta_bmc->sleepq_len > 0)) { msleep(10);/* 10ms, ATIM(HIQ) Windows */ spin_lock_bh(&psta_bmc->sleep_q.lock); xmitframe_phead = get_list_head(&psta_bmc->sleep_q); xmitframe_plist = xmitframe_phead->next; while (xmitframe_phead != xmitframe_plist) { pxmitframe = container_of(xmitframe_plist, struct xmit_frame, list); xmitframe_plist = xmitframe_plist->next; list_del_init(&pxmitframe->list); psta_bmc->sleepq_len--; if (psta_bmc->sleepq_len > 0) pxmitframe->attrib.mdata = 1; else pxmitframe->attrib.mdata = 0; pxmitframe->attrib.triggered = 1; pxmitframe->attrib.qsel = 0x11;/* HIQ */ spin_unlock_bh(&psta_bmc->sleep_q.lock); if (rtw_hal_xmit(padapter, pxmitframe)) rtw_os_xmit_complete(padapter, pxmitframe); spin_lock_bh(&psta_bmc->sleep_q.lock); } spin_unlock_bh(&psta_bmc->sleep_q.lock); } } #endif return H2C_SUCCESS; } u8 set_ch_hdl(struct adapter *padapter, u8 *pbuf) { struct set_ch_parm *set_ch_parm; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; if (!pbuf) return H2C_PARAMETERS_ERROR; set_ch_parm = (struct set_ch_parm *)pbuf; DBG_88E(FUNC_NDEV_FMT" ch:%u, bw:%u, ch_offset:%u\n", FUNC_NDEV_ARG(padapter->pnetdev), set_ch_parm->ch, set_ch_parm->bw, set_ch_parm->ch_offset); pmlmeext->cur_channel = set_ch_parm->ch; pmlmeext->cur_ch_offset = set_ch_parm->ch_offset; pmlmeext->cur_bwmode = set_ch_parm->bw; set_channel_bwmode(padapter, set_ch_parm->ch, set_ch_parm->ch_offset, set_ch_parm->bw); return H2C_SUCCESS; } u8 set_chplan_hdl(struct adapter *padapter, unsigned char *pbuf) { struct SetChannelPlan_param *setChannelPlan_param; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; if (!pbuf) return H2C_PARAMETERS_ERROR; setChannelPlan_param = (struct SetChannelPlan_param *)pbuf; pmlmeext->max_chan_nums = init_channel_set(padapter, setChannelPlan_param->channel_plan, pmlmeext->channel_set); init_channel_list(padapter, pmlmeext->channel_set, pmlmeext->max_chan_nums, &pmlmeext->channel_list); return H2C_SUCCESS; }