/****************************************************************************** * * Copyright(c) 2007 - 2011 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_C_ #include #include #include #include #include #include #include #include #include #include #include #include extern unsigned char MCS_rate_2R[16]; extern unsigned char MCS_rate_1R[16]; void rtw_set_roaming(struct adapter *adapter, u8 to_roaming) { if (to_roaming == 0) adapter->mlmepriv.to_join = false; adapter->mlmepriv.to_roaming = to_roaming; } u8 rtw_to_roaming(struct adapter *adapter) { return adapter->mlmepriv.to_roaming; } int _rtw_init_mlme_priv (struct adapter *padapter) { int i; u8 *pbuf; struct wlan_network *pnetwork; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; int res = _SUCCESS; _func_enter_; /* We don't need to memset padapter->XXX to zero, because adapter is allocated by rtw_zvmalloc(). */ pmlmepriv->nic_hdl = (u8 *)padapter; pmlmepriv->pscanned = NULL; pmlmepriv->fw_state = 0; pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown; pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */ _rtw_spinlock_init(&(pmlmepriv->lock)); _rtw_init_queue(&(pmlmepriv->free_bss_pool)); _rtw_init_queue(&(pmlmepriv->scanned_queue)); set_scanned_network_val(pmlmepriv, 0); _rtw_memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid)); pbuf = rtw_zvmalloc(MAX_BSS_CNT * (sizeof(struct wlan_network))); if (pbuf == NULL) { res = _FAIL; goto exit; } pmlmepriv->free_bss_buf = pbuf; pnetwork = (struct wlan_network *)pbuf; for (i = 0; i < MAX_BSS_CNT; i++) { _rtw_init_listhead(&(pnetwork->list)); rtw_list_insert_tail(&(pnetwork->list), &(pmlmepriv->free_bss_pool.queue)); pnetwork++; } /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */ rtw_clear_scan_deny(padapter); rtw_init_mlme_timer(padapter); exit: _func_exit_; return res; } static void rtw_mfree_mlme_priv_lock (struct mlme_priv *pmlmepriv) { _rtw_spinlock_free(&pmlmepriv->lock); _rtw_spinlock_free(&(pmlmepriv->free_bss_pool.lock)); _rtw_spinlock_free(&(pmlmepriv->scanned_queue.lock)); } #if defined (CONFIG_88EU_AP_MODE) static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen) { kfree(*ppie); *plen = 0; *ppie = NULL; } void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv) { rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len); rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len); rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len); rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len); rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len); rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len); rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len); rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len); rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len); rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len); rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len); } #else void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv) { } #endif void _rtw_free_mlme_priv (struct mlme_priv *pmlmepriv) { _func_enter_; rtw_free_mlme_priv_ie_data(pmlmepriv); if (pmlmepriv) { rtw_mfree_mlme_priv_lock (pmlmepriv); if (pmlmepriv->free_bss_buf) { rtw_vmfree(pmlmepriv->free_bss_buf, MAX_BSS_CNT * sizeof(struct wlan_network)); } } _func_exit_; } int _rtw_enqueue_network(struct __queue *queue, struct wlan_network *pnetwork) { unsigned long irql; _func_enter_; if (pnetwork == NULL) goto exit; _enter_critical_bh(&queue->lock, &irql); rtw_list_insert_tail(&pnetwork->list, &queue->queue); _exit_critical_bh(&queue->lock, &irql); exit: _func_exit_; return _SUCCESS; } struct wlan_network *_rtw_dequeue_network(struct __queue *queue) { unsigned long irql; struct wlan_network *pnetwork; _func_enter_; _enter_critical_bh(&queue->lock, &irql); if (_rtw_queue_empty(queue)) { pnetwork = NULL; } else { pnetwork = LIST_CONTAINOR(get_next(&queue->queue), struct wlan_network, list); rtw_list_delete(&(pnetwork->list)); } _exit_critical_bh(&queue->lock, &irql); _func_exit_; return pnetwork; } struct wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv)/* _queue *free_queue) */ { unsigned long irql; struct wlan_network *pnetwork; struct __queue *free_queue = &pmlmepriv->free_bss_pool; struct list_head *plist = NULL; _func_enter_; _enter_critical_bh(&free_queue->lock, &irql); if (_rtw_queue_empty(free_queue) == true) { pnetwork = NULL; goto exit; } plist = get_next(&(free_queue->queue)); pnetwork = LIST_CONTAINOR(plist , struct wlan_network, list); rtw_list_delete(&pnetwork->list); RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("_rtw_alloc_network: ptr=%p\n", plist)); pnetwork->network_type = 0; pnetwork->fixed = false; pnetwork->last_scanned = rtw_get_current_time(); pnetwork->aid = 0; pnetwork->join_res = 0; pmlmepriv->num_of_scanned++; exit: _exit_critical_bh(&free_queue->lock, &irql); _func_exit_; return pnetwork; } void _rtw_free_network(struct mlme_priv *pmlmepriv , struct wlan_network *pnetwork, u8 isfreeall) { u32 curr_time, delta_time; u32 lifetime = SCANQUEUE_LIFETIME; unsigned long irql; struct __queue *free_queue = &(pmlmepriv->free_bss_pool); _func_enter_; if (pnetwork == NULL) goto exit; if (pnetwork->fixed) goto exit; curr_time = rtw_get_current_time(); if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) || (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))) lifetime = 1; if (!isfreeall) { delta_time = (curr_time - pnetwork->last_scanned)/HZ; if (delta_time < lifetime)/* unit:sec */ goto exit; } _enter_critical_bh(&free_queue->lock, &irql); rtw_list_delete(&(pnetwork->list)); rtw_list_insert_tail(&(pnetwork->list), &(free_queue->queue)); pmlmepriv->num_of_scanned--; _exit_critical_bh(&free_queue->lock, &irql); exit: _func_exit_; } void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork) { struct __queue *free_queue = &(pmlmepriv->free_bss_pool); _func_enter_; if (pnetwork == NULL) goto exit; if (pnetwork->fixed) goto exit; rtw_list_delete(&(pnetwork->list)); rtw_list_insert_tail(&(pnetwork->list), get_list_head(free_queue)); pmlmepriv->num_of_scanned--; exit: _func_exit_; } /* return the wlan_network with the matching addr Shall be calle under atomic context... to avoid possible racing condition... */ struct wlan_network *_rtw_find_network(struct __queue *scanned_queue, u8 *addr) { struct list_head *phead, *plist; struct wlan_network *pnetwork = NULL; u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0}; _func_enter_; if (_rtw_memcmp(zero_addr, addr, ETH_ALEN)) { pnetwork = NULL; goto exit; } phead = get_list_head(scanned_queue); plist = get_next(phead); while (plist != phead) { pnetwork = LIST_CONTAINOR(plist, struct wlan_network , list); if (_rtw_memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN) == true) break; plist = get_next(plist); } if (plist == phead) pnetwork = NULL; exit: _func_exit_; return pnetwork; } void _rtw_free_network_queue(struct adapter *padapter, u8 isfreeall) { unsigned long irql; struct list_head *phead, *plist; struct wlan_network *pnetwork; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct __queue *scanned_queue = &pmlmepriv->scanned_queue; _func_enter_; _enter_critical_bh(&scanned_queue->lock, &irql); phead = get_list_head(scanned_queue); plist = get_next(phead); while (rtw_end_of_queue_search(phead, plist) == false) { pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); plist = get_next(plist); _rtw_free_network(pmlmepriv, pnetwork, isfreeall); } _exit_critical_bh(&scanned_queue->lock, &irql); _func_exit_; } int rtw_if_up(struct adapter *padapter) { int res; _func_enter_; if (padapter->bDriverStopped || padapter->bSurpriseRemoved || (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)", padapter->bDriverStopped, padapter->bSurpriseRemoved)); res = false; } else { res = true; } _func_exit_; return res; } void rtw_generate_random_ibss(u8 *pibss) { u32 curtime = rtw_get_current_time(); _func_enter_; pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */ pibss[1] = 0x11; pibss[2] = 0x87; pibss[3] = (u8)(curtime & 0xff);/* p[0]; */ pibss[4] = (u8)((curtime>>8) & 0xff);/* p[1]; */ pibss[5] = (u8)((curtime>>16) & 0xff);/* p[2]; */ _func_exit_; return; } u8 *rtw_get_capability_from_ie(u8 *ie) { return ie + 8 + 2; } u16 rtw_get_capability(struct wlan_bssid_ex *bss) { __le16 val; _func_enter_; memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2); _func_exit_; return le16_to_cpu(val); } u8 *rtw_get_timestampe_from_ie(u8 *ie) { return ie + 0; } u8 *rtw_get_beacon_interval_from_ie(u8 *ie) { return ie + 8; } int rtw_init_mlme_priv (struct adapter *padapter)/* struct mlme_priv *pmlmepriv) */ { int res; _func_enter_; res = _rtw_init_mlme_priv(padapter);/* (pmlmepriv); */ _func_exit_; return res; } void rtw_free_mlme_priv (struct mlme_priv *pmlmepriv) { _func_enter_; RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n")); _rtw_free_mlme_priv (pmlmepriv); _func_exit_; } static struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv) { struct wlan_network *pnetwork; _func_enter_; pnetwork = _rtw_alloc_network(pmlmepriv); _func_exit_; return pnetwork; } static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork) { _func_enter_; _rtw_free_network_nolock(pmlmepriv, pnetwork); _func_exit_; } void rtw_free_network_queue(struct adapter *dev, u8 isfreeall) { _func_enter_; _rtw_free_network_queue(dev, isfreeall); _func_exit_; } /* return the wlan_network with the matching addr Shall be calle under atomic context... to avoid possible racing condition... */ struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr) { struct wlan_network *pnetwork = _rtw_find_network(scanned_queue, addr); return pnetwork; } int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork) { int ret = true; struct security_priv *psecuritypriv = &adapter->securitypriv; if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) && (pnetwork->network.Privacy == 0)) ret = false; else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) && (pnetwork->network.Privacy == 1)) ret = false; else ret = true; return ret; } static int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b) { return (a->Ssid.SsidLength == b->Ssid.SsidLength) && _rtw_memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength); } int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst) { u16 s_cap, d_cap; __le16 le_scap, le_dcap; _func_enter_; memcpy((u8 *)&le_scap, rtw_get_capability_from_ie(src->IEs), 2); memcpy((u8 *)&le_dcap, rtw_get_capability_from_ie(dst->IEs), 2); s_cap = le16_to_cpu(le_scap); d_cap = le16_to_cpu(le_dcap); _func_exit_; return ((src->Ssid.SsidLength == dst->Ssid.SsidLength) && ((_rtw_memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN)) == true) && ((_rtw_memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength)) == true) && ((s_cap & WLAN_CAPABILITY_IBSS) == (d_cap & WLAN_CAPABILITY_IBSS)) && ((s_cap & WLAN_CAPABILITY_BSS) == (d_cap & WLAN_CAPABILITY_BSS))); } struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue) { struct list_head *plist, *phead; struct wlan_network *pwlan = NULL; struct wlan_network *oldest = NULL; _func_enter_; phead = get_list_head(scanned_queue); plist = get_next(phead); while (1) { if (rtw_end_of_queue_search(phead, plist) == true) break; pwlan = LIST_CONTAINOR(plist, struct wlan_network, list); if (!pwlan->fixed) { if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned)) oldest = pwlan; } plist = get_next(plist); } _func_exit_; return oldest; } void update_network(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src, struct adapter *padapter, bool update_ie) { long rssi_ori = dst->Rssi; u8 sq_smp = src->PhyInfo.SignalQuality; u8 ss_final; u8 sq_final; long rssi_final; _func_enter_; rtw_hal_antdiv_rssi_compared(padapter, dst, src); /* this will update src.Rssi, need consider again */ /* The rule below is 1/5 for sample value, 4/5 for history value */ if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && is_same_network(&(padapter->mlmepriv.cur_network.network), src)) { /* Take the recvpriv's value for the connected AP*/ ss_final = padapter->recvpriv.signal_strength; sq_final = padapter->recvpriv.signal_qual; /* the rssi value here is undecorated, and will be used for antenna diversity */ if (sq_smp != 101) /* from the right channel */ rssi_final = dst->Rssi; //(src->Rssi+dst->Rssi*4)/5; else rssi_final = rssi_ori; } else { // if (sq_smp != 101) { /* from the right channel */ ss_final = (u32)dst->PhyInfo.SignalStrength; //((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5; sq_final = (u32)dst->PhyInfo.SignalQuality; //((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5; rssi_final = dst->Rssi; //(src->Rssi+dst->Rssi*4)/5; // } else { // /* bss info not receiving from the right channel, use the original RX signal infos */ // ss_final = dst->PhyInfo.SignalStrength; // sq_final = dst->PhyInfo.SignalQuality; // rssi_final = dst->Rssi; // } } if (update_ie) { dst->Reserved[0] = src->Reserved[0]; dst->Reserved[1] = src->Reserved[1]; memcpy((u8 *)dst, (u8 *)src, get_wlan_bssid_ex_sz(src)); } dst->PhyInfo.SignalStrength = ss_final; dst->PhyInfo.SignalQuality = sq_final; dst->Rssi = rssi_final; _func_exit_; } static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork) { struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); _func_enter_; if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork))) { update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true); rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fixed_ie), pmlmepriv->cur_network.network.IELength); } _func_exit_; } /* Caller must hold pmlmepriv->lock first. */ void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target) { unsigned long irql; struct list_head *plist, *phead; u32 bssid_ex_sz; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct __queue *queue = &(pmlmepriv->scanned_queue); struct wlan_network *pnetwork = NULL; struct wlan_network *oldest = NULL; struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv); struct wifidirect_info *pwdinfo= &(adapter->wdinfo); int target_find = 0; _func_enter_; _enter_critical_bh(&queue->lock, &irql); phead = get_list_head(queue); plist = get_next(phead); while (1) { if (rtw_end_of_queue_search(phead, plist) == true) break; pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); if (is_same_network(&(pnetwork->network), target)) { target_find = 1; break; } if ((oldest == ((struct wlan_network *)0)) || time_after(oldest->last_scanned, pnetwork->last_scanned)) oldest = pnetwork; plist = get_next(plist); } /* If we didn't find a match, then get a new network slot to initialize * with this beacon's information */ if (!target_find) { if (_rtw_queue_empty(&(pmlmepriv->free_bss_pool)) == true) { /* If there are no more slots, expire the oldest */ pnetwork = oldest; rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna)); memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target)); /* variable initialize */ pnetwork->fixed = false; pnetwork->last_scanned = rtw_get_current_time(); pnetwork->network_type = 0; pnetwork->aid = 0; pnetwork->join_res = 0; /* bss info not receiving from the right channel */ if (pnetwork->network.PhyInfo.SignalQuality == 101) pnetwork->network.PhyInfo.SignalQuality = 0; } else { /* Otherwise just pull from the free list */ pnetwork = rtw_alloc_network(pmlmepriv); /* will update scan_time */ if (pnetwork == NULL) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n")); goto exit; } bssid_ex_sz = get_wlan_bssid_ex_sz(target); target->Length = bssid_ex_sz; rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna)); memcpy(&(pnetwork->network), target, bssid_ex_sz); pnetwork->last_scanned = rtw_get_current_time(); /* bss info not receiving from the right channel */ if (pnetwork->network.PhyInfo.SignalQuality == 101) pnetwork->network.PhyInfo.SignalQuality = 0; rtw_list_insert_tail(&(pnetwork->list), &(queue->queue)); } } else { /* we have an entry and we are going to update it. But this entry may * be already expired. In this case we do the same as we found a new * net and call the new_net handler */ bool update_ie = true; pnetwork->last_scanned = rtw_get_current_time(); /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */ /* probe resp(3) > beacon(1) > probe req(2) */ if ((target->Reserved[0] != 2) && (target->Reserved[0] >= pnetwork->network.Reserved[0])) update_ie = true; else update_ie = false; update_network(&(pnetwork->network), target, adapter, update_ie); } exit: _exit_critical_bh(&queue->lock, &irql); _func_exit_; } static void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork) { _func_enter_; #if defined(CONFIG_88EU_P2P) rtw_wlan_bssid_ex_remove_p2p_attr(pnetwork, P2P_ATTR_GROUP_INFO); #endif update_current_network(adapter, pnetwork); rtw_update_scanned_network(adapter, pnetwork); _func_exit_; } /* select the desired network based on the capability of the (i)bss. */ /* check items: (1) security */ /* (2) network_type */ /* (3) WMM */ /* (4) HT */ /* (5) others */ static int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork) { struct security_priv *psecuritypriv = &adapter->securitypriv; struct mlme_priv *pmlmepriv = &adapter->mlmepriv; u32 desired_encmode; u32 privacy; /* u8 wps_ie[512]; */ uint wps_ielen; int bselected = true; desired_encmode = psecuritypriv->ndisencryptstatus; privacy = pnetwork->network.Privacy; if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) { if (rtw_get_wps_ie(pnetwork->network.IEs+_FIXED_IE_LENGTH_, pnetwork->network.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL) return true; else return false; } if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */ u8 *p = NULL; uint ie_len = 0; if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0)) bselected = false; if (psecuritypriv->ndisauthtype == Ndis802_11AuthModeWPA2PSK) { p = rtw_get_ie(pnetwork->network.IEs + _BEACON_IE_OFFSET_, _RSN_IE_2_, &ie_len, (pnetwork->network.IELength - _BEACON_IE_OFFSET_)); if (p && ie_len > 0) bselected = true; else bselected = false; } } if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) { DBG_88E("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy); bselected = false; } if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) { if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode) bselected = false; } return bselected; } /* TODO: Perry: For Power Management */ void rtw_atimdone_event_callback(struct adapter *adapter , u8 *pbuf) { _func_enter_; RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n")); _func_exit_; return; } void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf) { unsigned long irql; u32 len; struct wlan_bssid_ex *pnetwork; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); _func_enter_; pnetwork = (struct wlan_bssid_ex *)pbuf; RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid=%s\n", pnetwork->Ssid.Ssid)); len = get_wlan_bssid_ex_sz(pnetwork); if (len > (sizeof(struct wlan_bssid_ex))) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n****rtw_survey_event_callback: return a wrong bss ***\n")); return; } _enter_critical_bh(&pmlmepriv->lock, &irql); /* update IBSS_network 's timestamp */ if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) { if (_rtw_memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) { struct wlan_network *ibss_wlan = NULL; unsigned long irql; memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8); _enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress); if (ibss_wlan) { memcpy(ibss_wlan->network.IEs , pnetwork->IEs, 8); _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); goto exit; } _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); } } /* lock pmlmepriv->lock when you accessing network_q */ if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) { if (pnetwork->Ssid.Ssid[0] == 0) pnetwork->Ssid.SsidLength = 0; rtw_add_network(adapter, pnetwork); } exit: _exit_critical_bh(&pmlmepriv->lock, &irql); _func_exit_; return; } void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf) { unsigned long irql; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct mlme_ext_priv *pmlmeext; u8 timer_cancelled = 0; _func_enter_; _enter_critical_bh(&pmlmepriv->lock, &irql); if (pmlmepriv->wps_probe_req_ie) { pmlmepriv->wps_probe_req_ie_len = 0; kfree(pmlmepriv->wps_probe_req_ie); pmlmepriv->wps_probe_req_ie = NULL; } RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv))); if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) { timer_cancelled = 1; _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); } else { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("nic status=%x, survey done event comes too late!\n", get_fwstate(pmlmepriv))); } _exit_critical_bh(&pmlmepriv->lock, &irql); if (timer_cancelled) _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); _enter_critical_bh(&pmlmepriv->lock, &irql); rtw_set_signal_stat_timer(&adapter->recvpriv); if (pmlmepriv->to_join) { if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) { if (check_fwstate(pmlmepriv, _FW_LINKED) == false) { set_fwstate(pmlmepriv, _FW_UNDER_LINKING); if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) { _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); } else { struct wlan_bssid_ex *pdev_network = &(adapter->registrypriv.dev_network); u8 *pibss = adapter->registrypriv.dev_network.MacAddress; _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n")); _rtw_memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid)); memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid)); rtw_update_registrypriv_dev_network(adapter); rtw_generate_random_ibss(pibss); pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE; if (rtw_createbss_cmd(adapter) != _SUCCESS) RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error=>rtw_createbss_cmd status FAIL\n")); pmlmepriv->to_join = false; } } } else { int s_ret; set_fwstate(pmlmepriv, _FW_UNDER_LINKING); pmlmepriv->to_join = false; s_ret = rtw_select_and_join_from_scanned_queue(pmlmepriv); if (_SUCCESS == s_ret) { _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); } else if (s_ret == 2) { /* there is no need to wait for join */ _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); rtw_indicate_connect(adapter); } else { DBG_88E("try_to_join, but select scanning queue fail, to_roaming:%d\n", pmlmepriv->to_roaming); if (rtw_to_roaming(adapter) != 0) { if (--pmlmepriv->to_roaming == 0 || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) { rtw_set_roaming(adapter, 0); rtw_free_assoc_resources(adapter, 1); rtw_indicate_disconnect(adapter); } else { pmlmepriv->to_join = true; } } else { rtw_indicate_disconnect(adapter); } _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); } } } indicate_wx_scan_complete_event(adapter); _exit_critical_bh(&pmlmepriv->lock, &irql); if (check_fwstate(pmlmepriv, _FW_LINKED) == true) p2p_ps_wk_cmd(adapter, P2P_PS_SCAN_DONE, 0); rtw_os_xmit_schedule(adapter); pmlmeext = &adapter->mlmeextpriv; _func_exit_; } void rtw_dummy_event_callback(struct adapter *adapter , u8 *pbuf) { } void rtw_fwdbg_event_callback(struct adapter *adapter , u8 *pbuf) { } static void free_scanqueue(struct mlme_priv *pmlmepriv) { unsigned long irql, irql0; struct __queue *free_queue = &pmlmepriv->free_bss_pool; struct __queue *scan_queue = &pmlmepriv->scanned_queue; struct list_head *plist, *phead, *ptemp; _func_enter_; RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n")); _enter_critical_bh(&scan_queue->lock, &irql0); _enter_critical_bh(&free_queue->lock, &irql); phead = get_list_head(scan_queue); plist = get_next(phead); while (plist != phead) { ptemp = get_next(plist); rtw_list_delete(plist); rtw_list_insert_tail(plist, &free_queue->queue); plist = ptemp; pmlmepriv->num_of_scanned--; } _exit_critical_bh(&free_queue->lock, &irql); _exit_critical_bh(&scan_queue->lock, &irql0); _func_exit_; } /* *rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock */ void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue) { unsigned long irql; struct wlan_network *pwlan = NULL; struct mlme_priv *pmlmepriv = &adapter->mlmepriv; struct sta_priv *pstapriv = &adapter->stapriv; struct wlan_network *tgt_network = &pmlmepriv->cur_network; _func_enter_; RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n")); RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("tgt_network->network.MacAddress=%pM ssid=%s\n", tgt_network->network.MacAddress, tgt_network->network.Ssid.Ssid)); if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) { struct sta_info *psta; psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress); _enter_critical_bh(&(pstapriv->sta_hash_lock), &irql); rtw_free_stainfo(adapter, psta); _exit_critical_bh(&(pstapriv->sta_hash_lock), &irql); } if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE)) { struct sta_info *psta; rtw_free_all_stainfo(adapter); psta = rtw_get_bcmc_stainfo(adapter); _enter_critical_bh(&(pstapriv->sta_hash_lock), &irql); rtw_free_stainfo(adapter, psta); _exit_critical_bh(&(pstapriv->sta_hash_lock), &irql); rtw_init_bcmc_stainfo(adapter); } if (lock_scanned_queue) _enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress); if (pwlan) pwlan->fixed = false; else RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources:pwlan==NULL\n\n")); if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && (adapter->stapriv.asoc_sta_count == 1))) rtw_free_network_nolock(pmlmepriv, pwlan); if (lock_scanned_queue) _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); pmlmepriv->key_mask = 0; _func_exit_; } /* *rtw_indicate_connect: the caller has to lock pmlmepriv->lock */ void rtw_indicate_connect(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; _func_enter_; RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_connect\n")); pmlmepriv->to_join = false; if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) { set_fwstate(pmlmepriv, _FW_LINKED); rtw_led_control(padapter, LED_CTL_LINK); rtw_os_indicate_connect(padapter); } pmlmepriv->to_roaming = 0; rtw_set_scan_deny(padapter, 3000); RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state=0x%08x\n", get_fwstate(pmlmepriv))); _func_exit_; } /* *rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock */ void rtw_indicate_disconnect(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; _func_enter_; RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n")); _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING | WIFI_UNDER_WPS); if (pmlmepriv->to_roaming > 0) _clr_fwstate_(pmlmepriv, _FW_LINKED); if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) || (pmlmepriv->to_roaming <= 0)) { rtw_os_indicate_disconnect(padapter); _clr_fwstate_(pmlmepriv, _FW_LINKED); rtw_led_control(padapter, LED_CTL_NO_LINK); rtw_clear_scan_deny(padapter); } p2p_ps_wk_cmd(padapter, P2P_PS_DISABLE, 1); rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1); _func_exit_; } inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted) { rtw_os_indicate_scan_done(padapter, aborted); } void rtw_scan_abort(struct adapter *adapter) { u32 start; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv); start = rtw_get_current_time(); pmlmeext->scan_abort = true; while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) && rtw_get_passing_time_ms(start) <= 200) { if (adapter->bDriverStopped || adapter->bSurpriseRemoved) break; DBG_88E(FUNC_NDEV_FMT"fw_state=_FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev)); rtw_msleep_os(20); } if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) { if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved) DBG_88E(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev)); rtw_indicate_scan_done(adapter, true); } pmlmeext->scan_abort = false; } static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork) { int i; struct sta_info *bmc_sta, *psta = NULL; struct recv_reorder_ctrl *preorder_ctrl; struct sta_priv *pstapriv = &padapter->stapriv; psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress); if (psta == NULL) psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress); if (psta) { /* update ptarget_sta */ DBG_88E("%s\n", __func__); psta->aid = pnetwork->join_res; psta->mac_id = 0; /* sta mode */ rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true); /* security related */ if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { padapter->securitypriv.binstallGrpkey = false; padapter->securitypriv.busetkipkey = false; padapter->securitypriv.bgrpkey_handshake = false; psta->ieee8021x_blocked = true; psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm; _rtw_memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype)); _rtw_memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype)); _rtw_memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype)); _rtw_memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48)); _rtw_memset((u8 *)&psta->dot11rxpn, 0, sizeof(union pn48)); } /* Commented by Albert 2012/07/21 */ /* When doing the WPS, the wps_ie_len won't equal to 0 */ /* And the Wi-Fi driver shouldn't allow the data packet to be tramsmitted. */ if (padapter->securitypriv.wps_ie_len != 0) { psta->ieee8021x_blocked = true; padapter->securitypriv.wps_ie_len = 0; } /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */ /* if A-MPDU Rx is enabled, resetting rx_ordering_ctrl wstart_b(indicate_seq) to default value = 0xffff */ /* todo: check if AP can send A-MPDU packets */ for (i = 0; i < 16; i++) { /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */ preorder_ctrl = &psta->recvreorder_ctrl[i]; preorder_ctrl->enable = false; preorder_ctrl->indicate_seq = 0xffff; preorder_ctrl->wend_b = 0xffff; preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */ } bmc_sta = rtw_get_bcmc_stainfo(padapter); if (bmc_sta) { for (i = 0; i < 16; i++) { /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */ preorder_ctrl = &bmc_sta->recvreorder_ctrl[i]; preorder_ctrl->enable = false; preorder_ctrl->indicate_seq = 0xffff; preorder_ctrl->wend_b = 0xffff; preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */ } } /* misc. */ update_sta_info(padapter, psta); } return psta; } /* pnetwork: returns from rtw_joinbss_event_callback */ /* ptarget_wlan: found from scanned_queue */ static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork) { struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct wlan_network *cur_network = &(pmlmepriv->cur_network); DBG_88E("%s\n", __func__); RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nfw_state:%x, BSSID:%pM\n", get_fwstate(pmlmepriv), pnetwork->network.MacAddress)); /* why not use ptarget_wlan?? */ memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length); /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */ cur_network->network.IELength = ptarget_wlan->network.IELength; memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ); cur_network->aid = pnetwork->join_res; rtw_set_signal_stat_timer(&padapter->recvpriv); padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength; padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality; /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */ padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength); rtw_set_signal_stat_timer(&padapter->recvpriv); /* update fw_state will clr _FW_UNDER_LINKING here indirectly */ switch (pnetwork->network.InfrastructureMode) { case Ndis802_11Infrastructure: if (pmlmepriv->fw_state&WIFI_UNDER_WPS) pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS; else pmlmepriv->fw_state = WIFI_STATION_STATE; break; case Ndis802_11IBSS: pmlmepriv->fw_state = WIFI_ADHOC_STATE; break; default: pmlmepriv->fw_state = WIFI_NULL_STATE; RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n")); break; } rtw_update_protection(padapter, (cur_network->network.IEs) + sizeof(struct ndis_802_11_fixed_ie), (cur_network->network.IELength)); rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength); } /* Notes: the function could be > passive_level (the same context as Rx tasklet) */ /* pnetwork: returns from rtw_joinbss_event_callback */ /* ptarget_wlan: found from scanned_queue */ /* if join_res > 0, for (fw_state == WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */ /* if join_res > 0, for (fw_state == WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */ /* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */ void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf) { unsigned long irql, irql2; u8 timer_cancelled; struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL; struct sta_priv *pstapriv = &adapter->stapriv; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct wlan_network *pnetwork = (struct wlan_network *)pbuf; struct wlan_network *cur_network = &(pmlmepriv->cur_network); struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL; unsigned int the_same_macaddr = false; _func_enter_; RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("joinbss event call back received with res=%d\n", pnetwork->join_res)); rtw_get_encrypt_decrypt_from_registrypriv(adapter); if (pmlmepriv->assoc_ssid.SsidLength == 0) RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n")); else RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid)); the_same_macaddr = _rtw_memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN); pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network); if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n")); goto ignore_nolock; } _enter_critical_bh(&pmlmepriv->lock, &irql); RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nrtw_joinbss_event_callback!! _enter_critical\n")); if (pnetwork->join_res > 0) { _enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) { /* s1. find ptarget_wlan */ if (check_fwstate(pmlmepriv, _FW_LINKED)) { if (the_same_macaddr) { ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress); } else { pcur_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress); if (pcur_wlan) pcur_wlan->fixed = false; pcur_sta = rtw_get_stainfo(pstapriv, cur_network->network.MacAddress); if (pcur_sta) { _enter_critical_bh(&(pstapriv->sta_hash_lock), &irql2); rtw_free_stainfo(adapter, pcur_sta); _exit_critical_bh(&(pstapriv->sta_hash_lock), &irql2); } ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress); if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { if (ptarget_wlan) ptarget_wlan->fixed = true; } } } else { ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress); if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { if (ptarget_wlan) ptarget_wlan->fixed = true; } } /* s2. update cur_network */ if (ptarget_wlan) { rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork); } else { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't find ptarget_wlan when joinbss_event callback\n")); _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); goto ignore_joinbss_callback; } /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork); if (ptarget_sta == NULL) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n")); _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); goto ignore_joinbss_callback; } } /* s4. indicate connect */ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { pmlmepriv->cur_network_scanned = ptarget_wlan; rtw_indicate_connect(adapter); } else { /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv))); } /* s5. Cancle assoc_timer */ _cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled); RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancle assoc_timer\n")); } else { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv))); _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); goto ignore_joinbss_callback; } _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); } else if (pnetwork->join_res == -4) { rtw_reset_securitypriv(adapter); _set_timer(&pmlmepriv->assoc_timer, 1); if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == true) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state=%x\n", get_fwstate(pmlmepriv))); _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); } } else { /* if join_res < 0 (join fails), then try again */ _set_timer(&pmlmepriv->assoc_timer, 1); _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); } ignore_joinbss_callback: _exit_critical_bh(&pmlmepriv->lock, &irql); ignore_nolock: _func_exit_; } void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf) { struct wlan_network *pnetwork = (struct wlan_network *)pbuf; _func_enter_; mlmeext_joinbss_event_callback(adapter, pnetwork->join_res); rtw_os_xmit_schedule(adapter); _func_exit_; } static u8 search_max_mac_id(struct adapter *padapter) { u8 mac_id; #if defined (CONFIG_88EU_AP_MODE) u8 aid; struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct sta_priv *pstapriv = &padapter->stapriv; #endif struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); #if defined (CONFIG_88EU_AP_MODE) if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { for (aid = (pstapriv->max_num_sta); aid > 0; aid--) { if (pstapriv->sta_aid[aid-1] != NULL) break; } mac_id = aid + 1; } else #endif {/* adhoc id = 31~2 */ for (mac_id = (NUM_STA-1); mac_id >= IBSS_START_MAC_ID; mac_id--) { if (pmlmeinfo->FW_sta_info[mac_id].status == 1) break; } } return mac_id; } /* FOR AP , AD-HOC mode */ void rtw_sta_media_status_rpt(struct adapter *adapter,struct sta_info *psta, u32 mstatus) { u16 media_status_rpt; u8 macid; if (psta == NULL) return; macid = search_max_mac_id(adapter); rtw_hal_set_hwreg(adapter, HW_VAR_TX_RPT_MAX_MACID, (u8 *)&macid); /* MACID|OPMODE:1 connect */ media_status_rpt = (u16)((psta->mac_id<<8) | mstatus); rtw_hal_set_hwreg(adapter,HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status_rpt); } void rtw_stassoc_event_callback(struct adapter *adapter, u8 *pbuf) { unsigned long irql; struct sta_info *psta; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf; struct wlan_network *cur_network = &(pmlmepriv->cur_network); struct wlan_network *ptarget_wlan = NULL; _func_enter_; if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false) return; #if defined (CONFIG_88EU_AP_MODE) if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); if (psta) rtw_indicate_sta_assoc_event(adapter, psta); goto exit; } #endif /* for AD-HOC mode */ psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); if (psta != NULL) { /* the sta have been in sta_info_queue => do nothing */ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n")); goto exit; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */ } psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr); if (psta == NULL) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n")); goto exit; } /* to do: init sta_info variable */ psta->qos_option = 0; psta->mac_id = (uint)pstassoc->cam_id; DBG_88E("%s\n", __func__); /* for ad-hoc mode */ rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true); rtw_sta_media_status_rpt(adapter, psta, 1); if (adapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) psta->dot118021XPrivacy = adapter->securitypriv.dot11PrivacyAlgrthm; psta->ieee8021x_blocked = false; _enter_critical_bh(&pmlmepriv->lock, &irql); if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) || (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))) { if (adapter->stapriv.asoc_sta_count == 2) { _enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, cur_network->network.MacAddress); pmlmepriv->cur_network_scanned = ptarget_wlan; if (ptarget_wlan) ptarget_wlan->fixed = true; _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); /* a sta + bc/mc_stainfo (not Ibss_stainfo) */ rtw_indicate_connect(adapter); } } _exit_critical_bh(&pmlmepriv->lock, &irql); mlmeext_sta_add_event_callback(adapter, psta); exit: _func_exit_; } void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf) { unsigned long irql, irql2; int mac_id = -1; struct sta_info *psta; struct wlan_network *pwlan = NULL; struct wlan_bssid_ex *pdev_network = NULL; u8 *pibss = NULL; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct stadel_event *pstadel = (struct stadel_event *)pbuf; struct sta_priv *pstapriv = &adapter->stapriv; struct wlan_network *tgt_network = &(pmlmepriv->cur_network); _func_enter_; psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr); if (psta) mac_id = psta->mac_id; else mac_id = pstadel->mac_id; DBG_88E("%s(mac_id=%d)=%pM\n", __func__, mac_id, pstadel->macaddr); if (mac_id >= 0) { u16 media_status; media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */ /* for STA, AP, ADHOC mode, report disconnect stauts to FW */ rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status); } if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) return; mlmeext_sta_del_event_callback(adapter); _enter_critical_bh(&pmlmepriv->lock, &irql2); if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { if(adapter->registrypriv.wifi_spec == 1) rtw_set_roaming(adapter, 0); /* don't roam */ else if (rtw_to_roaming(adapter) > 0) pmlmepriv->to_roaming--; /* this stadel_event is caused by roaming, decrease to_roaming */ else if (rtw_to_roaming(adapter) == 0) rtw_set_roaming(adapter, adapter->registrypriv.max_roaming_times); if (*((unsigned short *)(pstadel->rsvd)) != WLAN_REASON_EXPIRATION_CHK) rtw_set_roaming(adapter, 0); /* don't roam */ rtw_free_uc_swdec_pending_queue(adapter); rtw_free_assoc_resources(adapter, 1); rtw_indicate_disconnect(adapter); _enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); /* remove the network entry in scanned_queue */ pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress); if (pwlan) { pwlan->fixed = false; rtw_free_network_nolock(pmlmepriv, pwlan); } _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); _rtw_roaming(adapter, tgt_network); } if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) || check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { _enter_critical_bh(&(pstapriv->sta_hash_lock), &irql); rtw_free_stainfo(adapter, psta); _exit_critical_bh(&(pstapriv->sta_hash_lock), &irql); if (adapter->stapriv.asoc_sta_count == 1) { /* a sta + bc/mc_stainfo (not Ibss_stainfo) */ _enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); /* free old ibss network */ pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress); if (pwlan) { pwlan->fixed = false; rtw_free_network_nolock(pmlmepriv, pwlan); } _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); /* re-create ibss */ pdev_network = &(adapter->registrypriv.dev_network); pibss = adapter->registrypriv.dev_network.MacAddress; memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network)); _rtw_memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid)); memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid)); rtw_update_registrypriv_dev_network(adapter); rtw_generate_random_ibss(pibss); if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE); _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE); } if (rtw_createbss_cmd(adapter) != _SUCCESS) RT_TRACE(_module_rtl871x_ioctl_set_c_, _drv_err_, ("***Error=>stadel_event_callback: rtw_createbss_cmd status FAIL***\n ")); } } _exit_critical_bh(&pmlmepriv->lock, &irql2); _func_exit_; } void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf) { _func_enter_; RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n")); _func_exit_; } /* * _rtw_join_timeout_handler - Timeout/faliure handler for CMD JoinBss * @adapter: pointer to struct adapter structure */ void _rtw_join_timeout_handler (struct adapter *adapter) { unsigned long irql; struct mlme_priv *pmlmepriv = &adapter->mlmepriv; int do_join_r; _func_enter_; DBG_88E("%s, fw_state=%x\n", __func__, get_fwstate(pmlmepriv)); if (adapter->bDriverStopped || adapter->bSurpriseRemoved) return; _enter_critical_bh(&pmlmepriv->lock, &irql); if (rtw_to_roaming(adapter) > 0) { /* join timeout caused by roaming */ while (1) { pmlmepriv->to_roaming--; if (rtw_to_roaming(adapter) != 0) { /* try another */ DBG_88E("%s try another roaming\n", __func__); do_join_r = rtw_do_join(adapter); if (_SUCCESS != do_join_r) { DBG_88E("%s roaming do_join return %d\n", __func__ , do_join_r); continue; } break; } else { DBG_88E("%s We've try roaming but fail\n", __func__); rtw_indicate_disconnect(adapter); break; } } } else { rtw_indicate_disconnect(adapter); free_scanqueue(pmlmepriv);/* */ } _exit_critical_bh(&pmlmepriv->lock, &irql); _func_exit_; } /* * rtw_scan_timeout_handler - Timeout/Faliure handler for CMD SiteSurvey * @adapter: pointer to struct adapter structure */ void rtw_scan_timeout_handler (struct adapter *adapter) { unsigned long irql; struct mlme_priv *pmlmepriv = &adapter->mlmepriv; DBG_88E(FUNC_ADPT_FMT" fw_state=%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv)); _enter_critical_bh(&pmlmepriv->lock, &irql); _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); _exit_critical_bh(&pmlmepriv->lock, &irql); rtw_indicate_scan_done(adapter, true); } static void rtw_auto_scan_handler(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; /* auto site survey per 60sec */ if (pmlmepriv->scan_interval > 0) { pmlmepriv->scan_interval--; if (pmlmepriv->scan_interval == 0) { DBG_88E("%s\n", __func__); rtw_set_802_11_bssid_list_scan(padapter, NULL, 0); pmlmepriv->scan_interval = SCAN_INTERVAL;/* 30*2 sec = 60sec */ } } } void rtw_dynamic_check_timer_handlder(struct adapter *adapter) { struct mlme_priv *pmlmepriv = &adapter->mlmepriv; struct registry_priv *pregistrypriv = &adapter->registrypriv; if (!adapter) return; if (!adapter->hw_init_completed) return; if ((adapter->bDriverStopped) || (adapter->bSurpriseRemoved)) return; if (adapter->net_closed) return; rtw_dynamic_chk_wk_cmd(adapter); if (pregistrypriv->wifi_spec == 1) { #ifdef CONFIG_88EU_P2P struct wifidirect_info *pwdinfo = &adapter->wdinfo; if (rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE)) #endif { /* auto site survey */ rtw_auto_scan_handler(adapter); } } rcu_read_lock(); #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36) if (rcu_dereference(adapter->pnetdev->rx_handler_data) && #else if (rcu_dereference(adapter->pnetdev->br_port) && #endif (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == true)) { /* expire NAT2.5 entry */ nat25_db_expire(adapter); if (adapter->pppoe_connection_in_progress > 0) { adapter->pppoe_connection_in_progress--; } /* due to rtw_dynamic_check_timer_handlder() is called every 2 seconds */ if (adapter->pppoe_connection_in_progress > 0) { adapter->pppoe_connection_in_progress--; } } rcu_read_unlock(); } #define RTW_SCAN_RESULT_EXPIRE 2000 /* * Select a new join candidate from the original @param candidate and @param competitor * @return true: candidate is updated * @return false: candidate is not updated */ static int rtw_check_join_candidate(struct mlme_priv *pmlmepriv , struct wlan_network **candidate, struct wlan_network *competitor) { int updated = false; struct adapter *adapter = container_of(pmlmepriv, struct adapter, mlmepriv); /* check bssid, if needed */ if (pmlmepriv->assoc_by_bssid) { if (!_rtw_memcmp(competitor->network.MacAddress, pmlmepriv->assoc_bssid, ETH_ALEN)) goto exit; } /* check ssid, if needed */ if (pmlmepriv->assoc_ssid.Ssid && pmlmepriv->assoc_ssid.SsidLength) { if (competitor->network.Ssid.SsidLength != pmlmepriv->assoc_ssid.SsidLength || _rtw_memcmp(competitor->network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength) == false) goto exit; } if (rtw_is_desired_network(adapter, competitor) == false) goto exit; if(rtw_to_roaming(adapter) > 0) { if (rtw_get_passing_time_ms((u32)competitor->last_scanned) >= RTW_SCAN_RESULT_EXPIRE || is_same_ess(&competitor->network, &pmlmepriv->cur_network.network) == false) goto exit; } if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) { *candidate = competitor; updated = true; } if (updated) { DBG_88E("[by_bssid:%u][assoc_ssid:%s]new candidate: %s(%pM rssi:%d\n", pmlmepriv->assoc_by_bssid, pmlmepriv->assoc_ssid.Ssid, (*candidate)->network.Ssid.Ssid, (*candidate)->network.MacAddress, (int)(*candidate)->network.Rssi); DBG_88E("[to_roaming:%u]\n",rtw_to_roaming(adapter)); } exit: return updated; } /* Calling context: The caller of the sub-routine will be in critical section... The caller must hold the following spinlock pmlmepriv->lock */ int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv) { unsigned long irql; int ret; struct list_head *phead; struct adapter *adapter; struct __queue *queue = &(pmlmepriv->scanned_queue); struct wlan_network *pnetwork = NULL; struct wlan_network *candidate = NULL; u8 supp_ant_div = false; _func_enter_; _enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); phead = get_list_head(queue); adapter = (struct adapter *)pmlmepriv->nic_hdl; pmlmepriv->pscanned = get_next(phead); while (!rtw_end_of_queue_search(phead, pmlmepriv->pscanned)) { pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned, struct wlan_network, list); if (pnetwork == NULL) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork==NULL)\n", __func__)); ret = _FAIL; goto exit; } pmlmepriv->pscanned = get_next(pmlmepriv->pscanned); rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork); } if (candidate == NULL) { DBG_88E("%s: return _FAIL(candidate==NULL)\n", __func__); ret = _FAIL; goto exit; } else { DBG_88E("%s: candidate: %s(%pM ch:%u)\n", __func__, candidate->network.Ssid.Ssid, candidate->network.MacAddress, candidate->network.Configuration.DSConfig); } /* check for situation of _FW_LINKED */ if (check_fwstate(pmlmepriv, _FW_LINKED) == true) { DBG_88E("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__); rtw_disassoc_cmd(adapter, 0, true); rtw_indicate_disconnect(adapter); rtw_free_assoc_resources(adapter, 0); } rtw_hal_get_def_var(adapter, HAL_DEF_IS_SUPPORT_ANT_DIV, &(supp_ant_div)); if (supp_ant_div) { u8 cur_ant; rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(cur_ant)); DBG_88E("#### Opt_Ant_(%s), cur_Ant(%s)\n", (2 == candidate->network.PhyInfo.Optimum_antenna) ? "A" : "B", (2 == cur_ant) ? "A" : "B" ); } ret = rtw_joinbss_cmd(adapter, candidate); exit: _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irql); _func_exit_; return ret; } int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv) { struct cmd_obj *pcmd; struct setauth_parm *psetauthparm; struct cmd_priv *pcmdpriv = &(adapter->cmdpriv); int res = _SUCCESS; _func_enter_; pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd == NULL) { res = _FAIL; /* try again */ goto exit; } psetauthparm = (struct setauth_parm *)rtw_zmalloc(sizeof(struct setauth_parm)); if (psetauthparm == NULL) { kfree(pcmd); res = _FAIL; goto exit; } _rtw_memset(psetauthparm, 0, sizeof(struct setauth_parm)); psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm; pcmd->cmdcode = _SetAuth_CMD_; pcmd->parmbuf = (unsigned char *)psetauthparm; pcmd->cmdsz = (sizeof(struct setauth_parm)); pcmd->rsp = NULL; pcmd->rspsz = 0; _rtw_init_listhead(&pcmd->list); RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("after enqueue set_auth_cmd, auth_mode=%x\n", psecuritypriv->dot11AuthAlgrthm)); res = rtw_enqueue_cmd(pcmdpriv, pcmd); exit: _func_exit_; return res; } int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, int keyid, u8 set_tx) { u8 keylen; struct cmd_obj *pcmd; struct setkey_parm *psetkeyparm; struct cmd_priv *pcmdpriv = &(adapter->cmdpriv); struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); int res = _SUCCESS; _func_enter_; pcmd = (struct cmd_obj *)rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd == NULL) { res = _FAIL; /* try again */ goto exit; } psetkeyparm = (struct setkey_parm *)rtw_zmalloc(sizeof(struct setkey_parm)); if (psetkeyparm == NULL) { kfree(pcmd); res = _FAIL; goto exit; } _rtw_memset(psetkeyparm, 0, sizeof(struct setkey_parm)); if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy; RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm=(unsigned char)psecuritypriv->dot118021XGrpPrivacy=%d\n", psetkeyparm->algorithm)); } else { psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm; RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm=(u8)psecuritypriv->dot11PrivacyAlgrthm=%d\n", psetkeyparm->algorithm)); } psetkeyparm->keyid = (u8)keyid;/* 0~3 */ psetkeyparm->set_tx = set_tx; pmlmepriv->key_mask |= BIT(psetkeyparm->keyid); DBG_88E("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n", psetkeyparm->algorithm, psetkeyparm->keyid, pmlmepriv->key_mask); RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key: psetkeyparm->algorithm=%d psetkeyparm->keyid=(u8)keyid=%d\n", psetkeyparm->algorithm, keyid)); switch (psetkeyparm->algorithm) { case _WEP40_: keylen = 5; memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen); break; case _WEP104_: keylen = 13; memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen); break; case _TKIP_: keylen = 16; memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen); psetkeyparm->grpkey = 1; break; case _AES_: keylen = 16; memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen); psetkeyparm->grpkey = 1; break; default: RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm=%x (must be 1 or 2 or 4 or 5)\n", psecuritypriv->dot11PrivacyAlgrthm)); res = _FAIL; goto exit; } pcmd->cmdcode = _SetKey_CMD_; pcmd->parmbuf = (u8 *)psetkeyparm; pcmd->cmdsz = (sizeof(struct setkey_parm)); pcmd->rsp = NULL; pcmd->rspsz = 0; _rtw_init_listhead(&pcmd->list); res = rtw_enqueue_cmd(pcmdpriv, pcmd); exit: _func_exit_; return res; } /* adjust IEs for rtw_joinbss_cmd in WMM */ int rtw_restruct_wmm_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len, uint initial_out_len) { unsigned int ielength = 0; unsigned int i, j; i = 12; /* after the fixed IE */ while (i < in_len) { ielength = initial_out_len; if (in_ie[i] == 0xDD && in_ie[i+2] == 0x00 && in_ie[i+3] == 0x50 && in_ie[i+4] == 0xF2 && in_ie[i+5] == 0x02 && i+5 < in_len) { /* WMM element ID and OUI */ /* Append WMM IE to the last index of out_ie */ for (j = i; j < i + 9; j++) { out_ie[ielength] = in_ie[j]; ielength++; } out_ie[initial_out_len + 1] = 0x07; out_ie[initial_out_len + 6] = 0x00; out_ie[initial_out_len + 8] = 0x00; break; } i += (in_ie[i+1]+2); /* to the next IE element */ } return ielength; } /* */ /* Ported from 8185: IsInPreAuthKeyList(). (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.) */ /* Added by Annie, 2006-05-07. */ /* */ /* Search by BSSID, */ /* Return Value: */ /* -1 :if there is no pre-auth key in the table */ /* >= 0 :if there is pre-auth key, and return the entry id */ /* */ /* */ static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid) { struct security_priv *psecuritypriv = &Adapter->securitypriv; int i = 0; do { if ((psecuritypriv->PMKIDList[i].bUsed) && (_rtw_memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN) == true)) { break; } else { i++; /* continue; */ } } while (i < NUM_PMKID_CACHE); if (i == NUM_PMKID_CACHE) { i = -1;/* Could not find. */ } else { /* There is one Pre-Authentication Key for the specific BSSID. */ } return i; } /* */ /* Check the RSN IE length */ /* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */ /* 0-11th element in the array are the fixed IE */ /* 12th element in the array is the IE */ /* 13th element in the array is the IE length */ /* */ static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len) { struct security_priv *psecuritypriv = &Adapter->securitypriv; if (ie[13] <= 20) { /* The RSN IE didn't include the PMK ID, append the PMK information */ ie[ie_len] = 1; ie_len++; ie[ie_len] = 0; /* PMKID count = 0x0100 */ ie_len++; memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16); ie_len += 16; ie[13] += 18;/* PMKID length = 2+16 */ } return ie_len; } int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len) { u8 authmode; uint ielength; int iEntry; struct mlme_priv *pmlmepriv = &adapter->mlmepriv; struct security_priv *psecuritypriv = &adapter->securitypriv; uint ndisauthmode = psecuritypriv->ndisauthtype; uint ndissecuritytype = psecuritypriv->ndisencryptstatus; _func_enter_; RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_restruct_sec_ie: ndisauthmode=%d ndissecuritytype=%d\n", ndisauthmode, ndissecuritytype)); /* copy fixed ie only */ memcpy(out_ie, in_ie, 12); ielength = 12; if ((ndisauthmode == Ndis802_11AuthModeWPA) || (ndisauthmode == Ndis802_11AuthModeWPAPSK)) authmode = _WPA_IE_ID_; if ((ndisauthmode == Ndis802_11AuthModeWPA2) || (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) authmode = _WPA2_IE_ID_; if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) { memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len); ielength += psecuritypriv->wps_ie_len; } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) { /* copy RSN or SSN */ memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2); ielength += psecuritypriv->supplicant_ie[1]+2; rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie); } iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid); if (iEntry < 0) { return ielength; } else { if (authmode == _WPA2_IE_ID_) ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength); } _func_exit_; return ielength; } void rtw_init_registrypriv_dev_network(struct adapter *adapter) { struct registry_priv *pregistrypriv = &adapter->registrypriv; struct eeprom_priv *peepriv = &adapter->eeprompriv; struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network; u8 *myhwaddr = myid(peepriv); _func_enter_; memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN); memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid)); pdev_network->Configuration.Length = sizeof(struct ndis_802_11_config); pdev_network->Configuration.BeaconPeriod = 100; pdev_network->Configuration.FHConfig.Length = 0; pdev_network->Configuration.FHConfig.HopPattern = 0; pdev_network->Configuration.FHConfig.HopSet = 0; pdev_network->Configuration.FHConfig.DwellTime = 0; _func_exit_; } void rtw_update_registrypriv_dev_network(struct adapter *adapter) { int sz = 0; struct registry_priv *pregistrypriv = &adapter->registrypriv; struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network; struct security_priv *psecuritypriv = &adapter->securitypriv; struct wlan_network *cur_network = &adapter->mlmepriv.cur_network; _func_enter_; pdev_network->Privacy = (psecuritypriv->dot11PrivacyAlgrthm > 0 ? 1 : 0); /* adhoc no 802.1x */ pdev_network->Rssi = 0; switch (pregistrypriv->wireless_mode) { case WIRELESS_11B: pdev_network->NetworkTypeInUse = (Ndis802_11DS); break; case WIRELESS_11G: case WIRELESS_11BG: case WIRELESS_11_24N: case WIRELESS_11G_24N: case WIRELESS_11BG_24N: pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24); break; case WIRELESS_11A: case WIRELESS_11A_5N: pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5); break; case WIRELESS_11ABGN: if (pregistrypriv->channel > 14) pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5); else pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24); break; default: /* TODO */ break; } pdev_network->Configuration.DSConfig = (pregistrypriv->channel); RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("pregistrypriv->channel=%d, pdev_network->Configuration.DSConfig=0x%x\n", pregistrypriv->channel, pdev_network->Configuration.DSConfig)); if (cur_network->network.InfrastructureMode == Ndis802_11IBSS) pdev_network->Configuration.ATIMWindow = (0); pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode); /* 1. Supported rates */ /* 2. IE */ sz = rtw_generate_ie(pregistrypriv); pdev_network->IELength = sz; pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network); /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */ /* pdev_network->IELength = cpu_to_le32(sz); */ _func_exit_; } void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter) { _func_enter_; _func_exit_; } /* the function is at passive_level */ void rtw_joinbss_reset(struct adapter *padapter) { u8 threshold; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */ pmlmepriv->num_FortyMHzIntolerant = 0; pmlmepriv->num_sta_no_ht = 0; phtpriv->ampdu_enable = false;/* reset to disabled */ /* TH = 1 => means that invalidate usb rx aggregation */ /* TH = 0 => means that validate usb rx aggregation, use init value. */ if (phtpriv->ht_option) { if (padapter->registrypriv.wifi_spec == 1) threshold = 1; else threshold = 0; rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold)); } else { threshold = 1; rtw_hal_set_hwreg(padapter, HW_VAR_RXDMA_AGG_PG_TH, (u8 *)(&threshold)); } } /* the function is >= passive_level */ unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len) { u32 ielen, out_len; enum ht_cap_ampdu_factor max_rx_ampdu_factor; unsigned char *p; struct rtw_ieee80211_ht_cap ht_capie; unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct qos_priv *pqospriv = &pmlmepriv->qospriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; u32 rx_packet_offset, max_recvbuf_sz; phtpriv->ht_option = false; p = rtw_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12); if (p && ielen > 0) { if (pqospriv->qos_option == 0) { out_len = *pout_len; rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_, _WMM_IE_Length_, WMM_IE, pout_len); pqospriv->qos_option = 1; } out_len = *pout_len; _rtw_memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap)); ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_TX_STBC | IEEE80211_HT_CAP_DSSSCCK40; rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset); rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz); /* AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k AMPDU_para [4:2]:Min MPDU Start Spacing */ rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03); if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_) ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2)); else ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00); rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_, sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len); phtpriv->ht_option = true; p = rtw_get_ie(in_ie+12, _HT_ADD_INFO_IE_, &ielen, in_len-12); if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) { out_len = *pout_len; rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2 , pout_len); } } return phtpriv->ht_option; } /* the function is > passive_level (in critical_section) */ void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len) { u8 *p, max_ampdu_sz; int len; struct rtw_ieee80211_ht_cap *pht_capie; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; struct registry_priv *pregistrypriv = &padapter->registrypriv; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); if (!phtpriv->ht_option) return; if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable)) return; DBG_88E("+rtw_update_ht_cap()\n"); /* maybe needs check if ap supports rx ampdu. */ if ((!phtpriv->ampdu_enable) && (pregistrypriv->ampdu_enable == 1)) { if (pregistrypriv->wifi_spec == 1) phtpriv->ampdu_enable = false; else phtpriv->ampdu_enable = true; } else if (pregistrypriv->ampdu_enable == 2) { phtpriv->ampdu_enable = true; } /* check Max Rx A-MPDU Size */ len = 0; p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie)); if (p && len > 0) { pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2); max_ampdu_sz = (pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR); max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */ phtpriv->rx_ampdu_maxlen = max_ampdu_sz; } len = 0; p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie)); /* update cur_bwmode & cur_ch_offset */ if ((pregistrypriv->cbw40_enable) && (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & BIT(1)) && (pmlmeinfo->HT_info.infos[0] & BIT(2))) { int i; u8 rf_type; padapter->HalFunc.GetHwRegHandler(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); /* update the MCS rates */ for (i = 0; i < 16; i++) { if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R)) pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i]; else pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i]; } /* switch to the 40M Hz mode according to the AP */ pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40; switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) { case HT_EXTCHNL_OFFSET_UPPER: pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; break; case HT_EXTCHNL_OFFSET_LOWER: pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; break; default: pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; break; } } /* Config SM Power Save setting */ pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2; if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC) DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__); /* Config current HT Protection mode. */ pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3; } void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe) { u8 issued; int priority; struct sta_info *psta = NULL; struct ht_priv *phtpriv; struct pkt_attrib *pattrib = &pxmitframe->attrib; s32 bmcst = IS_MCAST(pattrib->ra); if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100)) return; priority = pattrib->priority; if (pattrib->psta) psta = pattrib->psta; else psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); if (psta == NULL) return; phtpriv = &psta->htpriv; if ((phtpriv->ht_option) && (phtpriv->ampdu_enable)) { issued = (phtpriv->agg_enable_bitmap>>priority)&0x1; issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1; if (0 == issued) { DBG_88E("rtw_issue_addbareq_cmd, p=%d\n", priority); psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority); rtw_addbareq_cmd(padapter, (u8) priority, pattrib->ra); } } } void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network) { unsigned long irql; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; _enter_critical_bh(&pmlmepriv->lock, &irql); _rtw_roaming(padapter, tgt_network); _exit_critical_bh(&pmlmepriv->lock, &irql); } void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; int do_join_r; struct wlan_network *pnetwork; if (tgt_network != NULL) pnetwork = tgt_network; else pnetwork = &pmlmepriv->cur_network; if (0 < rtw_to_roaming(padapter)) { DBG_88E("roaming from %s(%pM length:%d\n", pnetwork->network.Ssid.Ssid, pnetwork->network.MacAddress, pnetwork->network.Ssid.SsidLength); memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid, sizeof(struct ndis_802_11_ssid)); pmlmepriv->assoc_by_bssid = false; while (1) { do_join_r = rtw_do_join(padapter); if (_SUCCESS == do_join_r) { break; } else { DBG_88E("roaming do_join return %d\n", do_join_r); pmlmepriv->to_roaming--; if (0 < pmlmepriv->to_roaming) { continue; } else { DBG_88E("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__); rtw_indicate_disconnect(padapter); break; } } } } }