/****************************************************************************** * * 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 extern void indicate_wx_scan_complete_event(_adapter *padapter); extern u8 rtw_do_join(_adapter * padapter); extern unsigned char MCS_rate_2R[16]; extern unsigned char MCS_rate_1R[16]; sint _rtw_init_mlme_priv (_adapter* padapter) { sint i; u8 *pbuf; struct wlan_network *pnetwork; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; sint 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; } 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)); } static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen) { if (*ppie) { _rtw_mfree(*ppie, *plen); *plen = 0; *ppie=NULL; } } void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv) { #if defined (CONFIG_AP_MODE) 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); #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_; } sint _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) == true) 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; _list* 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 == true) goto exit; curr_time = rtw_get_current_time(); if ( (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)==true ) || (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)==true ) ) 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 == true) 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) { _list *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(_adapter *padapter, u8 isfreeall) { unsigned long irqL; _list *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_; } sint rtw_if_up(_adapter *padapter) { sint 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_; _rtw_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 (_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_; } int rtw_enqueue_network(struct __queue *queue, struct wlan_network *pnetwork); int rtw_enqueue_network(struct __queue *queue, struct wlan_network *pnetwork) { int res; _func_enter_; res = _rtw_enqueue_network(queue, pnetwork); _func_exit_; return res; } static struct wlan_network *rtw_dequeue_network(struct __queue *queue) { struct wlan_network *pnetwork; _func_enter_; pnetwork = _rtw_dequeue_network(queue); _func_exit_; return pnetwork; } struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv ); struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv )/* _queue *free_queue) */ { struct wlan_network *pnetwork; _func_enter_; pnetwork = _rtw_alloc_network(pmlmepriv); _func_exit_; return pnetwork; } void rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 is_freeall) { _func_enter_; RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,("rtw_free_network==> ssid = %s\n\n" , pnetwork->network.Ssid.Ssid)); _rtw_free_network(pmlmepriv, pnetwork, is_freeall); _func_exit_; } void rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork ); void rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork ) { _func_enter_; /* RT_TRACE(_module_rtl871x_mlme_c_,_drv_err_,("rtw_free_network==> ssid = %s\n\n" , pnetwork->network.Ssid.Ssid)); */ _rtw_free_network_nolock(pmlmepriv, pnetwork); _func_exit_; } void rtw_free_network_queue(_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(_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; } inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b); inline 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)==true; } 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_; _rtw_memcpy((u8 *)&le_scap, rtw_get_capability_from_ie(src->IEs), 2); _rtw_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) { _list *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!=true) { 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, _adapter * padapter, bool update_ie) { u8 ss_ori = dst->PhyInfo.SignalStrength; u8 sq_ori = dst->PhyInfo.SignalQuality; long rssi_ori = dst->Rssi; u8 ss_smp = src->PhyInfo.SignalStrength; u8 sq_smp = src->PhyInfo.SignalQuality; long rssi_smp = src->Rssi; 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 */ #if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) { DBG_88E("%s %s(%pm, ch%u) ss_ori:%3u, sq_ori:%3u, rssi_ori:%3ld, ss_smp:%3u, sq_smp:%3u, rssi_smp:%3ld\n" , __func__ , src->Ssid.Ssid, src->MacAddress, src->Configuration.DSConfig ,ss_ori, sq_ori, rssi_ori ,ss_smp, sq_smp, rssi_smp ); } #endif /* 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 = (src->Rssi+dst->Rssi*4)/5; else rssi_final = rssi_ori; } else { if (sq_smp != 101) { /* from the right channel */ ss_final = ((u32)(src->PhyInfo.SignalStrength)+(u32)(dst->PhyInfo.SignalStrength)*4)/5; sq_final = ((u32)(src->PhyInfo.SignalQuality)+(u32)(dst->PhyInfo.SignalQuality)*4)/5; rssi_final = (src->Rssi+dst->Rssi*4)/5; } else { /* bss info not receving 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) _rtw_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; #if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) { DBG_88E("%s %s(%pm SignalStrength:%u, SignalQuality:%u, RawRSSI:%ld\n", __func__, dst->Ssid.Ssid, dst->MacAddress, dst->PhyInfo.SignalStrength, dst->PhyInfo.SignalQuality, dst->Rssi); } #endif _func_exit_; } static void update_current_network(_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(_adapter *adapter, struct wlan_bssid_ex *target) { unsigned long irqL; _list *plist, *phead; ULONG 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; _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 ((unsigned long)(pnetwork) < 0x7ffffff) { } if (is_same_network(&(pnetwork->network), target)) 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 (rtw_end_of_queue_search(phead,plist)== true) { if (_rtw_queue_empty(&(pmlmepriv->free_bss_pool)) == true) { /* If there are no more slots, expire the oldest */ /* list_del_init(&oldest->list); */ pnetwork = oldest; rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna)); _rtw_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 receving 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)); _rtw_memcpy(&(pnetwork->network), target, bssid_ex_sz ); pnetwork->last_scanned = rtw_get_current_time(); /* bss info not receving 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 scaned network is a bcn frame. */ if ((pnetwork->network.IELength>target->IELength) && (target->Reserved[0]==1)) update_ie = false; update_network(&(pnetwork->network), target,adapter, update_ie); } exit: _exit_critical_bh(&queue->lock, &irqL); _func_exit_; } void rtw_add_network(_adapter *adapter, struct wlan_bssid_ex *pnetwork) { unsigned long irqL; struct mlme_priv *pmlmepriv = &(((_adapter *)adapter)->mlmepriv); _func_enter_; #if defined(CONFIG_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(_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.... */ { if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0)) 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(_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(_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; _rtw_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) { _rtw_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(_adapter *adapter, u8 *pbuf) { unsigned long irqL; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); #ifdef CONFIG_MLME_EXT mlmeext_surveydone_event_callback(adapter); #endif _func_enter_; _enter_critical_bh(&pmlmepriv->lock, &irqL); if (pmlmepriv->wps_probe_req_ie) { u32 free_len = pmlmepriv->wps_probe_req_ie_len; pmlmepriv->wps_probe_req_ie_len = 0; rtw_mfree(pmlmepriv->wps_probe_req_ie, free_len); 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)) { u8 timer_cancelled; _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); _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))); } rtw_set_signal_stat_timer(&adapter->recvpriv); if (pmlmepriv->to_join == true) { 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)); _rtw_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; if (_SUCCESS == (s_ret=rtw_select_and_join_from_scanned_queue(pmlmepriv))) { _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 (pmlmepriv->to_roaming!=0) { if (--pmlmepriv->to_roaming == 0 || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) { pmlmepriv->to_roaming = 0; rtw_free_assoc_resources(adapter, 1); rtw_indicate_disconnect(adapter); } else { pmlmepriv->to_join = true; } } _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); { struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv; if (pmlmeext->sitesurvey_res.bss_cnt == 0){ rtw_hal_sreset_reset(adapter); } } _func_exit_; } void rtw_dummy_event_callback(_adapter *adapter , u8 *pbuf) { } void rtw_fwdbg_event_callback(_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; _list *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(_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(_adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct xmit_priv *pxmitpriv = &padapter->xmitpriv; _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( _adapter *padapter ) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network); struct sta_info *psta; struct sta_priv *pstapriv = &padapter->stapriv; _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); #ifdef CONFIG_WOWLAN if (padapter->pwrctrlpriv.wowlan_mode==false) #endif /* CONFIG_WOWLAN */ rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1); _func_exit_; } inline void rtw_indicate_scan_done( _adapter *padapter, bool aborted) { rtw_os_indicate_scan_done(padapter, aborted); } void rtw_scan_abort(_adapter *adapter) { u32 cnt=0; 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(_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, reseting 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(_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?? */ _rtw_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; _rtw_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); #if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1 DBG_88E("%s signal_strength:%3u, rssi:%3d, signal_qual:%3u" "\n" , __func__ , padapter->recvpriv.signal_strength , padapter->recvpriv.rssi , padapter->recvpriv.signal_qual ); #endif 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)); #ifdef CONFIG_80211N_HT rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength); #endif } /* Notes: the fucntion 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(_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_,("\n rtw_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 == true) { 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) { 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(_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(_adapter *padapter) { u8 mac_id, aid; #if (RATE_ADAPTIVE_SUPPORT==1) /* for 88E RA */ struct mlme_priv *pmlmepriv = &(padapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv); struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); struct sta_priv *pstapriv = &padapter->stapriv; #if defined (CONFIG_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; } } } #endif return mac_id; } /* FOR AP ,AD-HOC mode */ void rtw_stassoc_hw_rpt(_adapter *adapter,struct sta_info *psta) { u16 media_status; if (psta==NULL) return; #if (RATE_ADAPTIVE_SUPPORT==1) /* for 88E RA */ { u8 macid = search_max_mac_id(adapter); rtw_hal_set_hwreg(adapter,HW_VAR_TX_RPT_MAX_MACID, (u8*)&macid); } #endif media_status = (psta->mac_id<<8)|1; /* MACID|OPMODE:1 connect */ rtw_hal_set_hwreg(adapter,HW_VAR_H2C_MEDIA_STATUS_RPT,(u8 *)&media_status); } void rtw_stassoc_event_callback(_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_AP_MODE) if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); if (psta) { /* bss_cap_update_on_sta_join(adapter, psta); */ /* sta_info_update(adapter, psta); */ ap_sta_info_defer_update(adapter, psta); rtw_stassoc_hw_rpt(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; /* psta->aid = (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_stassoc_hw_rpt(adapter,psta); 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)==true ) || (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)==true ) ) { 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); 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(_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 (pmlmepriv->to_roaming > 0) pmlmepriv->to_roaming--; /* this stadel_event is caused by roaming, decrease to_roaming */ else if (pmlmepriv->to_roaming ==0) pmlmepriv->to_roaming= adapter->registrypriv.max_roaming_times; if (*((unsigned short *)(pstadel->rsvd)) != WLAN_REASON_EXPIRATION_CHK) pmlmepriv->to_roaming=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; _rtw_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)); _rtw_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(PADAPTER 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 _adapter structure */ void _rtw_join_timeout_handler (_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 (pmlmepriv->to_roaming>0) { /* join timeout caused by roaming */ while (1) { pmlmepriv->to_roaming--; if (pmlmepriv->to_roaming!=0) { /* try another , */ DBG_88E("%s try another roaming\n", __func__); if ( _SUCCESS!=(do_join_r=rtw_do_join(adapter)) ) { 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 _adapter structure */ void rtw_scan_timeout_handler (_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(_adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct pwrctrl_priv *pwrctrlpriv = &padapter->pwrctrlpriv; /* 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(_adapter *adapter) { #ifdef CONFIG_AP_MODE struct mlme_priv *pmlmepriv = &adapter->mlmepriv; #endif /* CONFIG_AP_MODE */ struct registry_priv *pregistrypriv = &adapter->registrypriv; if (!adapter) return; #if defined(CONFIG_CHECK_BT_HANG) && defined(CONFIG_BT_COEXIST) if (adapter->HalFunc.hal_checke_bt_hang) adapter->HalFunc.hal_checke_bt_hang(adapter); #endif if (adapter->hw_init_completed == false) return; if ((adapter->bDriverStopped == true)||(adapter->bSurpriseRemoved== true)) return; if (adapter->net_closed == true) return; rtw_dynamic_chk_wk_cmd(adapter); if (pregistrypriv->wifi_spec==1) { #ifdef CONFIG_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); } } #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35)) rcu_read_lock(); #endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35)) */ #if (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) if ( adapter->pnetdev->br_port && (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == true) ) #else /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) */ if ( rcu_dereference(adapter->pnetdev->rx_handler_data) && (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_ADHOC_STATE) == true) ) #endif /* (LINUX_VERSION_CODE <= KERNEL_VERSION(2, 6, 35)) */ { /* 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--; } } #if (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35)) rcu_read_unlock(); #endif /* (LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 35)) */ } #if defined(IEEE80211_SCAN_RESULT_EXPIRE) #define RTW_SCAN_RESULT_EXPIRE IEEE80211_SCAN_RESULT_EXPIRE/HZ*1000 -1000 /* 3000 -1000 */ #else #define RTW_SCAN_RESULT_EXPIRE 2000 #endif /* * 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; _adapter *adapter = container_of(pmlmepriv, _adapter, mlmepriv); /* check bssid, if needed */ if (pmlmepriv->assoc_by_bssid==true) { if (_rtw_memcmp(competitor->network.MacAddress, pmlmepriv->assoc_bssid, ETH_ALEN) ==false) 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 (pmlmepriv->to_roaming) { 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.Rssinetwork.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", pmlmepriv->to_roaming); } 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; _list *phead; _adapter *adapter; struct __queue *queue = &(pmlmepriv->scanned_queue); struct wlan_network *pnetwork = NULL; struct wlan_network *candidate = NULL; u8 bSupportAntDiv = false; _func_enter_; _enter_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL); phead = get_list_head(queue); adapter = (_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__); #ifdef CONFIG_WOWLAN _clr_fwstate_(pmlmepriv, _FW_LINKED|_FW_UNDER_LINKING); #endif 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, &(bSupportAntDiv)); if (true == bSupportAntDiv) { u8 CurrentAntenna; rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(CurrentAntenna)); DBG_88E("#### Opt_Ant_(%s) , cur_Ant(%s)\n", (2==candidate->network.PhyInfo.Optimum_antenna)?"A":"B", (2==CurrentAntenna)?"A":"B" ); } ret = rtw_joinbss_cmd(adapter, candidate); exit: _exit_critical_bh(&(pmlmepriv->scanned_queue.lock), &irqL); _func_exit_; return ret; } sint rtw_set_auth(_adapter * adapter,struct security_priv *psecuritypriv) { struct cmd_obj* pcmd; struct setauth_parm *psetauthparm; struct cmd_priv *pcmdpriv=&(adapter->cmdpriv); sint 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){ rtw_mfree((unsigned char *)pcmd, sizeof(struct cmd_obj)); 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; } sint rtw_set_key(_adapter * adapter,struct security_priv *psecuritypriv,sint 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); sint 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){ rtw_mfree((unsigned char *)pcmd, sizeof(struct cmd_obj)); 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; _rtw_memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen); break; case _WEP104_: keylen=13; _rtw_memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen); break; case _TKIP_: keylen=16; _rtw_memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen); psetkeyparm->grpkey=1; break; case _AES_: keylen=16; _rtw_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); /* _rtw_init_sema(&(pcmd->cmd_sem), 0); */ res = rtw_enqueue_cmd(pcmdpriv, pcmd); exit: _func_exit_; return res; } /* adjust IEs for rtw_joinbss_cmd in WMM */ int rtw_restruct_wmm_ie(_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=0 :if there is pre-auth key, and return the entry id */ /* */ /* */ static int SecIsInPMKIDList(_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 (isecuritypriv; 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++; _rtw_memcpy( &ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16); ie_len+=16; ie[13]+=18;/* PMKID length = 2+16 */ } return (ie_len); } sint rtw_restruct_sec_ie(_adapter *adapter,u8 *in_ie, u8 *out_ie, uint in_len) { u8 authmode, securitytype, match; u8 sec_ie[255], uncst_oui[4], bkup_ie[255]; u8 wpa_oui[4]={0x0, 0x50, 0xf2, 0x01}; uint ielength, cnt, remove_cnt; 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 */ _rtw_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)) { _rtw_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 */ _rtw_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( _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_; _rtw_memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN); _rtw_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(_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; /* struct xmit_priv *pxmitpriv = &adapter->xmitpriv; */ _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(_adapter* adapter) { _func_enter_; _func_exit_; } /* the fucntion is at passive_level */ void rtw_joinbss_reset(_adapter *padapter) { u8 threshold; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; #ifdef CONFIG_80211N_HT struct ht_priv *phtpriv = &pmlmepriv->htpriv; #endif /* todo: if you want to do something io/reg/hw setting before join_bss, please add code here */ #ifdef CONFIG_80211N_HT 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)); } #endif } #ifdef CONFIG_80211N_HT /* the fucntion is >= passive_level */ unsigned int rtw_restructure_ht_ie(_adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len) { u32 ielen, out_len; 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; 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; { u32 rx_packet_offset, max_recvbuf_sz; 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); /* if (max_recvbuf_sz-rx_packet_offset>(8191-256)) { */ /* DBG_88E("%s IEEE80211_HT_CAP_MAX_AMSDU is set\n", __func__); */ /* ht_capie.cap_info = ht_capie.cap_info |IEEE80211_HT_CAP_MAX_AMSDU; */ /* */ } /* 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 fucntion is > passive_level (in critical_section) */ void rtw_update_ht_cap(_adapter *padapter, u8 *pie, uint ie_len) { u8 *p, max_ampdu_sz; int len; /* struct sta_info *bmc_sta, *psta; */ struct rtw_ieee80211_ht_cap *pht_capie; /* struct recv_reorder_ctrl *preorder_ctrl; */ struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; /* struct recv_priv *precvpriv = &padapter->recvpriv; */ struct registry_priv *pregistrypriv = &padapter->registrypriv; /* struct wlan_network *pcur_network = &(pmlmepriv->cur_network);; */ 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==false) &&(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); */ /* DBG_88E("rtw_update_ht_cap(): max_ampdu_sz=%d\n", max_ampdu_sz); */ 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)); if (p && len>0) { /* todo: */ } /* 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 accoring 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(_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==true) && (phtpriv->ampdu_enable==true)) { 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); } } } #endif void rtw_roaming(_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(_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 < pmlmepriv->to_roaming) { DBG_88E("roaming from %s(%pM length:%d\n", pnetwork->network.Ssid.Ssid, pnetwork->network.MacAddress, pnetwork->network.Ssid.SsidLength); _rtw_memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid, sizeof(struct ndis_802_11_ssid)); pmlmepriv->assoc_by_bssid = false; while (1) { if ( _SUCCESS==(do_join_r=rtw_do_join(padapter)) ) { 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; } } } } }