// SPDX-License-Identifier: GPL-2.0 /****************************************************************************** * * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. * ******************************************************************************/ #define _RTW_MLME_C_ #include #include #include #include extern u8 rtw_do_join(struct adapter *padapter); sint _rtw_init_mlme_priv(struct adapter *padapter) { sint i; u8 *pbuf; struct wlan_network *pnetwork; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; sint res = _SUCCESS; pmlmepriv->nic_hdl = (u8 *)padapter; pmlmepriv->pscanned = NULL; pmlmepriv->fw_state = WIFI_STATION_STATE; /* Must sync with rtw_wdev_alloc() */ /* wdev->iftype = NL80211_IFTYPE_STATION */ 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) */ spin_lock_init(&(pmlmepriv->lock)); _rtw_init_queue(&(pmlmepriv->free_bss_pool)); _rtw_init_queue(&(pmlmepriv->scanned_queue)); set_scanned_network_val(pmlmepriv, 0); memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid)); pbuf = vzalloc(array_size(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++) { INIT_LIST_HEAD(&(pnetwork->list)); list_add_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); #define RTW_ROAM_SCAN_RESULT_EXP_MS 5000 #define RTW_ROAM_RSSI_DIFF_TH 10 #define RTW_ROAM_SCAN_INTERVAL_MS 10000 pmlmepriv->roam_flags = 0 | RTW_ROAM_ON_EXPIRED | RTW_ROAM_ON_RESUME #ifdef CONFIG_LAYER2_ROAMING_ACTIVE /* FIXME */ | RTW_ROAM_ACTIVE #endif ; pmlmepriv->roam_scanr_exp_ms = RTW_ROAM_SCAN_RESULT_EXP_MS; pmlmepriv->roam_rssi_diff_th = RTW_ROAM_RSSI_DIFF_TH; pmlmepriv->roam_scan_int_ms = RTW_ROAM_SCAN_INTERVAL_MS; rtw_init_mlme_timer(padapter); exit: return res; } static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen) { if (*ppie) { 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); } void _rtw_free_mlme_priv(struct mlme_priv *pmlmepriv) { if (pmlmepriv) { rtw_free_mlme_priv_ie_data(pmlmepriv); if (pmlmepriv->free_bss_buf) { vfree(pmlmepriv->free_bss_buf); } } } /* struct wlan_network *_rtw_dequeue_network(struct __queue *queue) { _irqL irqL; struct wlan_network *pnetwork; spin_lock_bh(&queue->lock); if (list_empty(&queue->queue)) pnetwork = NULL; else { pnetwork = LIST_CONTAINOR(get_next(&queue->queue), struct wlan_network, list); list_del_init(&(pnetwork->list)); } spin_unlock_bh(&queue->lock); return pnetwork; } */ struct wlan_network *_rtw_alloc_network(struct mlme_priv *pmlmepriv)/* _queue *free_queue) */ { struct wlan_network *pnetwork; struct __queue *free_queue = &pmlmepriv->free_bss_pool; struct list_head *plist = NULL; spin_lock_bh(&free_queue->lock); if (list_empty(&free_queue->queue)) { pnetwork = NULL; goto exit; } plist = get_next(&(free_queue->queue)); pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); list_del_init(&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 = jiffies; pnetwork->aid = 0; pnetwork->join_res = 0; pmlmepriv->num_of_scanned++; exit: spin_unlock_bh(&free_queue->lock); return pnetwork; } void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall) { unsigned int delta_time; u32 lifetime = SCANQUEUE_LIFETIME; /* _irqL irqL; */ struct __queue *free_queue = &(pmlmepriv->free_bss_pool); if (pnetwork == NULL) return; if (pnetwork->fixed == true) return; if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) || (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) lifetime = 1; if (!isfreeall) { delta_time = jiffies_to_msecs(jiffies - pnetwork->last_scanned); if (delta_time < lifetime)/* unit:msec */ return; } spin_lock_bh(&free_queue->lock); list_del_init(&(pnetwork->list)); list_add_tail(&(pnetwork->list), &(free_queue->queue)); pmlmepriv->num_of_scanned--; /* DBG_871X("_rtw_free_network:SSID =%s\n", pnetwork->network.Ssid.Ssid); */ spin_unlock_bh(&free_queue->lock); } void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork) { struct __queue *free_queue = &(pmlmepriv->free_bss_pool); if (pnetwork == NULL) return; if (pnetwork->fixed == true) return; /* spin_lock_irqsave(&free_queue->lock, irqL); */ list_del_init(&(pnetwork->list)); list_add_tail(&(pnetwork->list), get_list_head(free_queue)); pmlmepriv->num_of_scanned--; /* spin_unlock_irqrestore(&free_queue->lock, irqL); */ } /* return the wlan_network with the matching addr Shall be called 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}; if (!memcmp(zero_addr, addr, ETH_ALEN)) { pnetwork = NULL; goto exit; } /* spin_lock_bh(&scanned_queue->lock); */ phead = get_list_head(scanned_queue); plist = get_next(phead); while (plist != phead) { pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN)) break; plist = get_next(plist); } if (plist == phead) pnetwork = NULL; /* spin_unlock_bh(&scanned_queue->lock); */ exit: return pnetwork; } void _rtw_free_network_queue(struct adapter *padapter, u8 isfreeall) { struct list_head *phead, *plist; struct wlan_network *pnetwork; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct __queue *scanned_queue = &pmlmepriv->scanned_queue; spin_lock_bh(&scanned_queue->lock); phead = get_list_head(scanned_queue); plist = get_next(phead); while (phead != plist) { pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); plist = get_next(plist); _rtw_free_network(pmlmepriv, pnetwork, isfreeall); } spin_unlock_bh(&scanned_queue->lock); } sint rtw_if_up(struct adapter *padapter) { sint res; 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; return res; } void rtw_generate_random_ibss(u8 *pibss) { unsigned long curtime = jiffies; 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]; */ return; } u8 *rtw_get_capability_from_ie(u8 *ie) { return (ie + 8 + 2); } u16 rtw_get_capability(struct wlan_bssid_ex *bss) { __le16 val; memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2); return le16_to_cpu(val); } 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; res = _rtw_init_mlme_priv(padapter);/* (pmlmepriv); */ return res; } void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_mlme_priv\n")); _rtw_free_mlme_priv(pmlmepriv); } /* static struct wlan_network *rtw_dequeue_network(struct __queue *queue) { struct wlan_network *pnetwork; pnetwork = _rtw_dequeue_network(queue); 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; pnetwork = _rtw_alloc_network(pmlmepriv); return pnetwork; } void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork); void rtw_free_network_nolock(struct adapter *padapter, struct wlan_network *pnetwork) { /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_network ==> ssid = %s\n\n" , pnetwork->network.Ssid.Ssid)); */ _rtw_free_network_nolock(&(padapter->mlmepriv), pnetwork); rtw_cfg80211_unlink_bss(padapter, pnetwork); } void rtw_free_network_queue(struct adapter *dev, u8 isfreeall) { _rtw_free_network_queue(dev, isfreeall); } /* return the wlan_network with the matching addr Shall be called 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; } inline int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b) { /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("(%s,%d)(%s,%d)\n", */ /* a->Ssid.Ssid, a->Ssid.SsidLength, b->Ssid.Ssid, b->Ssid.SsidLength)); */ return (a->Ssid.SsidLength == b->Ssid.SsidLength) && !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength); } int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst, u8 feature) { u16 s_cap, d_cap; __le16 tmps, tmpd; if (rtw_bug_check(dst, src, &s_cap, &d_cap) == false) return false; memcpy((u8 *)&tmps, rtw_get_capability_from_ie(src->IEs), 2); memcpy((u8 *)&tmpd, rtw_get_capability_from_ie(dst->IEs), 2); s_cap = le16_to_cpu(tmps); d_cap = le16_to_cpu(tmpd); return ((src->Ssid.SsidLength == dst->Ssid.SsidLength) && /* (src->Configuration.DSConfig == dst->Configuration.DSConfig) && */ ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN))) && ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength))) && ((s_cap & WLAN_CAPABILITY_IBSS) == (d_cap & WLAN_CAPABILITY_IBSS)) && ((s_cap & WLAN_CAPABILITY_BSS) == (d_cap & WLAN_CAPABILITY_BSS))); } struct wlan_network *_rtw_find_same_network(struct __queue *scanned_queue, struct wlan_network *network) { struct list_head *phead, *plist; struct wlan_network *found = NULL; phead = get_list_head(scanned_queue); plist = get_next(phead); while (plist != phead) { found = LIST_CONTAINOR(plist, struct wlan_network, list); if (is_same_network(&network->network, &found->network, 0)) break; plist = get_next(plist); } if (plist == phead) found = NULL; return found; } 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; phead = get_list_head(scanned_queue); plist = get_next(phead); while (1) { if (phead == plist) 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); } 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; #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) { DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT", ch%u) ss_ori:%3u, sq_ori:%3u, rssi_ori:%3ld, ss_smp:%3u, sq_smp:%3u, rssi_smp:%3ld\n" , FUNC_ADPT_ARG(padapter) , src->Ssid.Ssid, MAC_ARG(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, 0)) { /* 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 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; #if defined(DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) && 1 if (strcmp(dst->Ssid.Ssid, DBG_RX_SIGNAL_DISPLAY_SSID_MONITORED) == 0) { DBG_871X(FUNC_ADPT_FMT" %s("MAC_FMT"), SignalStrength:%u, SignalQuality:%u, RawRSSI:%ld\n" , FUNC_ADPT_ARG(padapter) , dst->Ssid.Ssid, MAC_ARG(dst->MacAddress), dst->PhyInfo.SignalStrength, dst->PhyInfo.SignalQuality, dst->Rssi); } #endif } static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork) { struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); rtw_bug_check(&(pmlmepriv->cur_network.network), &(pmlmepriv->cur_network.network), &(pmlmepriv->cur_network.network), &(pmlmepriv->cur_network.network)); if ((check_fwstate(pmlmepriv, _FW_LINKED) == true) && (is_same_network(&(pmlmepriv->cur_network.network), pnetwork, 0))) { /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"Same Network\n"); */ /* if (pmlmepriv->cur_network.network.IELength<= pnetwork->IELength) */ { update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true); rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fix_ie), pmlmepriv->cur_network.network.IELength); } } } /* Caller must hold pmlmepriv->lock first. */ void rtw_update_scanned_network(struct adapter *adapter, struct wlan_bssid_ex *target) { 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; int target_find = 0; u8 feature = 0; spin_lock_bh(&queue->lock); phead = get_list_head(queue); plist = get_next(phead); while (1) { if (phead == plist) break; pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); rtw_bug_check(pnetwork, pnetwork, pnetwork, pnetwork); if (is_same_network(&(pnetwork->network), target, feature)) { target_find = 1; break; } if (rtw_roam_flags(adapter)) { /* TODO: don't select netowrk in the same ess as oldest if it's new enough*/ } if (oldest == NULL || 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 (phead == plist) { */ if (!target_find) { if (list_empty(&pmlmepriv->free_bss_pool.queue)) { /* If there are no more slots, expire the oldest */ /* list_del_init(&oldest->list); */ pnetwork = oldest; if (pnetwork == NULL) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n")); goto exit; } memcpy(&(pnetwork->network), target, get_wlan_bssid_ex_sz(target)); /* variable initialize */ pnetwork->fixed = false; pnetwork->last_scanned = jiffies; 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; memcpy(&(pnetwork->network), target, bssid_ex_sz); pnetwork->last_scanned = jiffies; /* bss info not receiving from the right channel */ if (pnetwork->network.PhyInfo.SignalQuality == 101) pnetwork->network.PhyInfo.SignalQuality = 0; list_add_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 = jiffies; /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */ if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1)) update_ie = false; /* 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: spin_unlock_bh(&queue->lock); } void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork); void rtw_add_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork) { /* struct __queue *queue = &(pmlmepriv->scanned_queue); */ /* spin_lock_bh(&queue->lock); */ update_current_network(adapter, pnetwork); rtw_update_scanned_network(adapter, pnetwork); /* spin_unlock_bh(&queue->lock); */ } /* 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 */ int rtw_is_desired_network(struct adapter *adapter, struct wlan_network *pnetwork); 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_871X("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) { RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n")); } void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf) { u32 len; struct wlan_bssid_ex *pnetwork; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); 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; } spin_lock_bh(&pmlmepriv->lock); /* update IBSS_network 's timestamp */ if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) { /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,"rtw_survey_event_callback : WIFI_ADHOC_MASTER_STATE\n\n"); */ if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) { struct wlan_network *ibss_wlan = NULL; memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8); spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress); if (ibss_wlan) { memcpy(ibss_wlan->network.IEs, pnetwork->IEs, 8); spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); goto exit; } spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); } } /* 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: spin_unlock_bh(&pmlmepriv->lock); return; } void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf) { u8 timer_cancelled = false; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); spin_lock_bh(&pmlmepriv->lock); 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)) { /* u8 timer_cancelled; */ timer_cancelled = true; /* _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))); } spin_unlock_bh(&pmlmepriv->lock); if (timer_cancelled) _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); spin_lock_bh(&pmlmepriv->lock); 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; /* pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;because don't set assoc_timer */ _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n")); 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_871X("try_to_join, but select scanning queue fail, to_roam:%d\n", rtw_to_roam(adapter)); if (rtw_to_roam(adapter) != 0) { if (rtw_dec_to_roam(adapter) == 0 || _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0) ) { rtw_set_to_roam(adapter, 0); #ifdef CONFIG_INTEL_WIDI if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) { memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN); intel_widi_wk_cmd(adapter, INTEL_WIDI_LISTEN_WK, NULL, 0); DBG_871X("change to widi listen\n"); } #endif /* CONFIG_INTEL_WIDI */ 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); } } } else { if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) { if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) && check_fwstate(pmlmepriv, _FW_LINKED)) { if (rtw_select_roaming_candidate(pmlmepriv) == _SUCCESS) { receive_disconnect(adapter, pmlmepriv->cur_network.network.MacAddress , WLAN_REASON_ACTIVE_ROAM); } } } } /* DBG_871X("scan complete in %dms\n", jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time)); */ spin_unlock_bh(&pmlmepriv->lock); rtw_os_xmit_schedule(adapter); rtw_cfg80211_surveydone_event_callback(adapter); rtw_indicate_scan_done(adapter, false); } 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) { struct __queue *free_queue = &pmlmepriv->free_bss_pool; struct __queue *scan_queue = &pmlmepriv->scanned_queue; struct list_head *plist, *phead, *ptemp; RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n")); spin_lock_bh(&scan_queue->lock); spin_lock_bh(&free_queue->lock); phead = get_list_head(scan_queue); plist = get_next(phead); while (plist != phead) { ptemp = get_next(plist); list_del_init(plist); list_add_tail(plist, &free_queue->queue); plist = ptemp; pmlmepriv->num_of_scanned--; } spin_unlock_bh(&free_queue->lock); spin_unlock_bh(&scan_queue->lock); } static void rtw_reset_rx_info(struct debug_priv *pdbgpriv) { pdbgpriv->dbg_rx_ampdu_drop_count = 0; pdbgpriv->dbg_rx_ampdu_forced_indicate_count = 0; pdbgpriv->dbg_rx_ampdu_loss_count = 0; pdbgpriv->dbg_rx_dup_mgt_frame_drop_count = 0; pdbgpriv->dbg_rx_ampdu_window_shift_cnt = 0; } static void find_network(struct adapter *adapter) { struct wlan_network *pwlan = NULL; struct mlme_priv *pmlmepriv = &adapter->mlmepriv; struct wlan_network *tgt_network = &pmlmepriv->cur_network; 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(adapter, pwlan); } /* *rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock */ void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue) { struct mlme_priv *pmlmepriv = &adapter->mlmepriv; struct wlan_network *tgt_network = &pmlmepriv->cur_network; struct sta_priv *pstapriv = &adapter->stapriv; struct dvobj_priv *psdpriv = adapter->dvobj; struct debug_priv *pdbgpriv = &psdpriv->drv_dbg; 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 ="MAC_FMT" ssid =%s\n", MAC_ARG(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); spin_lock_bh(&(pstapriv->sta_hash_lock)); rtw_free_stainfo(adapter, psta); spin_unlock_bh(&(pstapriv->sta_hash_lock)); } 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); rtw_free_stainfo(adapter, psta); rtw_init_bcmc_stainfo(adapter); } find_network(adapter); if (lock_scanned_queue) adapter->securitypriv.key_mask = 0; rtw_reset_rx_info(pdbgpriv); } /* *rtw_indicate_connect: the caller has to lock pmlmepriv->lock */ void rtw_indicate_connect(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; 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_os_indicate_connect(padapter); } rtw_set_to_roam(padapter, 0); #ifdef CONFIG_INTEL_WIDI if (padapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) { memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN); intel_widi_wk_cmd(padapter, INTEL_WIDI_LISTEN_WK, NULL, 0); DBG_871X("change to widi listen\n"); } #endif /* CONFIG_INTEL_WIDI */ 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))); } /* *rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock */ void rtw_indicate_disconnect(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n")); _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS); /* DBG_871X("clear wps when %s\n", __func__); */ if (rtw_to_roam(padapter) > 0) _clr_fwstate_(pmlmepriv, _FW_LINKED); if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) || (rtw_to_roam(padapter) <= 0) ) { rtw_os_indicate_disconnect(padapter); /* set ips_deny_time to avoid enter IPS before LPS leave */ rtw_set_ips_deny(padapter, 3000); _clr_fwstate_(pmlmepriv, _FW_LINKED); rtw_clear_scan_deny(padapter); } rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_DISCONNECT, 1); } inline void rtw_indicate_scan_done(struct adapter *padapter, bool aborted) { DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter)); rtw_os_indicate_scan_done(padapter, aborted); if (is_primary_adapter(padapter) && (!adapter_to_pwrctl(padapter)->bInSuspend) && (!check_fwstate(&padapter->mlmepriv, WIFI_ASOC_STATE|WIFI_UNDER_LINKING))) { struct pwrctrl_priv *pwrpriv; pwrpriv = adapter_to_pwrctl(padapter); rtw_set_ips_deny(padapter, 0); _set_timer(&padapter->mlmepriv.dynamic_chk_timer, 1); } } void rtw_scan_abort(struct adapter *adapter) { unsigned long start; struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); struct mlme_ext_priv *pmlmeext = &(adapter->mlmeextpriv); start = jiffies; pmlmeext->scan_abort = true; while (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) && jiffies_to_msecs(start) <= 200) { if (adapter->bDriverStopped || adapter->bSurpriseRemoved) break; DBG_871X(FUNC_NDEV_FMT"fw_state = _FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev)); msleep(20); } if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) { if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved) DBG_871X(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; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; 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_871X("%s\n", __func__); psta->aid = pnetwork->join_res; update_sta_info(padapter, psta); /* update station supportRate */ psta->bssratelen = rtw_get_rateset_len(pnetwork->network.SupportedRates); memcpy(psta->bssrateset, pnetwork->network.SupportedRates, psta->bssratelen); rtw_hal_update_sta_rate_mask(padapter, psta); psta->wireless_mode = pmlmeext->cur_wireless_mode; psta->raid = rtw_hal_networktype_to_raid(padapter, psta); /* 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; memset((u8 *)&psta->dot118021x_UncstKey, 0, sizeof(union Keytype)); memset((u8 *)&psta->dot11tkiprxmickey, 0, sizeof(union Keytype)); memset((u8 *)&psta->dot11tkiptxmickey, 0, sizeof(union Keytype)); memset((u8 *)&psta->dot11txpn, 0, sizeof(union pn48)); psta->dot11txpn.val = psta->dot11txpn.val + 1; memset((u8 *)&psta->dot11wtxpn, 0, sizeof(union pn48)); 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 transmitted. */ 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; #ifdef DBG_RX_SEQ DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__, preorder_ctrl->indicate_seq); #endif 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; #ifdef DBG_RX_SEQ DBG_871X("DBG_RX_SEQ %s:%d indicate_seq:%u\n", __func__, __LINE__, preorder_ctrl->indicate_seq); #endif preorder_ctrl->wend_b = 0xffff; preorder_ctrl->wsize_b = 64;/* max_ampdu_sz;ex. 32(kbytes) -> wsize_b =32 */ } } } 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_871X("%s\n", __func__); RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nfw_state:%x, BSSID:"MAC_FMT"\n" , get_fwstate(pmlmepriv), MAC_ARG(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); #if defined(DBG_RX_SIGNAL_DISPLAY_PROCESSING) && 1 DBG_871X(FUNC_ADPT_FMT" signal_strength:%3u, rssi:%3d, signal_qual:%3u" "\n" , FUNC_ADPT_ARG(padapter) , 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_fix_ie), (cur_network->network.IELength)); rtw_update_ht_cap(padapter, cur_network->network.IEs, cur_network->network.IELength, (u8) cur_network->network.Configuration.DSConfig); } /* 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). */ /* */ /* define REJOIN */ void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf) { static u8 retry; 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; 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 = !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")); return; } spin_lock_bh(&pmlmepriv->lock); pmlmepriv->LinkDetectInfo.TrafficTransitionCount = 0; pmlmepriv->LinkDetectInfo.LowPowerTransitionCount = 0; RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\n rtw_joinbss_event_callback !! spin_lock_irqsave\n")); if (pnetwork->join_res > 0) { spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); retry = 0; 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) rtw_free_stainfo(adapter, pcur_sta); 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_same_network(&pmlmepriv->scanned_queue, pnetwork); 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{ DBG_871X_LEVEL(_drv_always_, "Can't find ptarget_wlan when joinbss_event callback\n"); spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); 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")); spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); 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. Cancel assoc_timer */ _cancel_timer(&pmlmepriv->assoc_timer, &timer_cancelled); RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("Cancel assoc_timer\n")); } else{ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_joinbss_event_callback err: fw_state:%x", get_fwstate(pmlmepriv))); spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); goto ignore_joinbss_callback; } spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); } else if (pnetwork->join_res == -4) { rtw_reset_securitypriv(adapter); _set_timer(&pmlmepriv->assoc_timer, 1); /* rtw_free_assoc_resources(adapter, 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 */ #ifdef REJOIN res = _FAIL; if (retry < 2) { res = rtw_select_and_join_from_scanned_queue(pmlmepriv); RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_select_and_join_from_scanned_queue again! res:%d\n", res)); } if (res == _SUCCESS) { /* extend time of assoc_timer */ _set_timer(&pmlmepriv->assoc_timer, MAX_JOIN_TIMEOUT); retry++; } else if (res == 2) {/* there is no need to wait for join */ _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); rtw_indicate_connect(adapter); } else{ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Set Assoc_Timer = 1; can't find match ssid in scanned_q\n")); #endif _set_timer(&pmlmepriv->assoc_timer, 1); /* rtw_free_assoc_resources(adapter, 1); */ _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); #ifdef REJOIN retry = 0; } #endif } ignore_joinbss_callback: spin_unlock_bh(&pmlmepriv->lock); } void rtw_joinbss_event_callback(struct adapter *adapter, u8 *pbuf) { struct wlan_network *pnetwork = (struct wlan_network *)pbuf; mlmeext_joinbss_event_callback(adapter, pnetwork->join_res); rtw_os_xmit_schedule(adapter); } /* FOR STA, AP , AD-HOC mode */ void rtw_sta_media_status_rpt(struct adapter *adapter, struct sta_info *psta, u32 mstatus) { u16 media_status_rpt; if (psta == NULL) return; media_status_rpt = (u16)((psta->mac_id<<8)|mstatus); /* MACID|OPMODE:1 connect */ 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) { 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; if (rtw_access_ctrl(adapter, pstassoc->macaddr) == false) return; if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); if (psta) { u8 *passoc_req = NULL; u32 assoc_req_len = 0; rtw_sta_media_status_rpt(adapter, psta, 1); #ifndef CONFIG_AUTO_AP_MODE ap_sta_info_defer_update(adapter, psta); /* report to upper layer */ DBG_871X("indicate_sta_assoc_event to upper layer - hostapd\n"); spin_lock_bh(&psta->lock); if (psta->passoc_req && psta->assoc_req_len > 0) { passoc_req = rtw_zmalloc(psta->assoc_req_len); if (passoc_req) { assoc_req_len = psta->assoc_req_len; memcpy(passoc_req, psta->passoc_req, assoc_req_len); kfree(psta->passoc_req); psta->passoc_req = NULL; psta->assoc_req_len = 0; } } spin_unlock_bh(&psta->lock); if (passoc_req && assoc_req_len > 0) { rtw_cfg80211_indicate_sta_assoc(adapter, passoc_req, assoc_req_len); kfree(passoc_req); } #endif /* CONFIG_AUTO_AP_MODE */ } return; } /* 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")); return; /* 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")); return; } /* to do : init sta_info variable */ psta->qos_option = 0; psta->mac_id = (uint)pstassoc->cam_id; /* psta->aid = (uint)pstassoc->cam_id; */ DBG_871X("%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; spin_lock_bh(&pmlmepriv->lock); if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) || (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) { if (adapter->stapriv.asoc_sta_count == 2) { spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); 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; spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); /* a sta + bc/mc_stainfo (not Ibss_stainfo) */ rtw_indicate_connect(adapter); } } spin_unlock_bh(&pmlmepriv->lock); mlmeext_sta_add_event_callback(adapter, psta); } void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf) { 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 wlan_network *tgt_network = &(pmlmepriv->cur_network); struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr); if (psta) mac_id = psta->mac_id; else mac_id = pstadel->mac_id; DBG_871X("%s(mac_id =%d) =" MAC_FMT "\n", __func__, mac_id, MAC_ARG(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)) */ if ((pmlmeinfo->state&0x03) == WIFI_FW_AP_STATE) return; mlmeext_sta_del_event_callback(adapter); spin_lock_bh(&pmlmepriv->lock); if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { u16 reason = *((unsigned short *)(pstadel->rsvd)); bool roam = false; struct wlan_network *roam_target = NULL; if (adapter->registrypriv.wifi_spec == 1) { roam = false; } else if (reason == WLAN_REASON_EXPIRATION_CHK && rtw_chk_roam_flags(adapter, RTW_ROAM_ON_EXPIRED)) { roam = true; } else if (reason == WLAN_REASON_ACTIVE_ROAM && rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) { roam = true; roam_target = pmlmepriv->roam_network; } #ifdef CONFIG_INTEL_WIDI else if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_CONNECTED) { roam = true; } #endif /* CONFIG_INTEL_WIDI */ if (roam == true) { if (rtw_to_roam(adapter) > 0) rtw_dec_to_roam(adapter); /* this stadel_event is caused by roaming, decrease to_roam */ else if (rtw_to_roam(adapter) == 0) rtw_set_to_roam(adapter, adapter->registrypriv.max_roaming_times); } else { rtw_set_to_roam(adapter, 0); } rtw_free_uc_swdec_pending_queue(adapter); rtw_free_assoc_resources(adapter, 1); rtw_indicate_disconnect(adapter); spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); /* 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(adapter, pwlan); } spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); #ifdef CONFIG_INTEL_WIDI if (!rtw_to_roam(adapter)) process_intel_widi_disconnect(adapter, 1); #endif /* CONFIG_INTEL_WIDI */ _rtw_roaming(adapter, roam_target); } if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) || check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { rtw_free_stainfo(adapter, psta); if (adapter->stapriv.asoc_sta_count == 1) {/* a sta + bc/mc_stainfo (not Ibss_stainfo) */ /* rtw_indicate_disconnect(adapter);removed@20091105 */ spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); /* free old ibss network */ /* pwlan = rtw_find_network(&pmlmepriv->scanned_queue, pstadel->macaddr); */ pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress); if (pwlan) { pwlan->fixed = false; rtw_free_network_nolock(adapter, pwlan); } spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); /* 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)); 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 ")); } } } spin_unlock_bh(&pmlmepriv->lock); } void rtw_cpwm_event_callback(struct adapter *padapter, u8 *pbuf) { struct reportpwrstate_parm *preportpwrstate; RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_cpwm_event_callback !!!\n")); preportpwrstate = (struct reportpwrstate_parm *)pbuf; preportpwrstate->state |= (u8)(adapter_to_pwrctl(padapter)->cpwm_tog + 0x80); cpwm_int_hdl(padapter, preportpwrstate); } void rtw_wmm_event_callback(struct adapter *padapter, u8 *pbuf) { WMMOnAssocRsp(padapter); } /* * _rtw_join_timeout_handler - Timeout/failure handler for CMD JoinBss * @adapter: pointer to struct adapter structure */ void _rtw_join_timeout_handler(struct timer_list *t) { struct adapter *adapter = from_timer(adapter, t, mlmepriv.assoc_timer); struct mlme_priv *pmlmepriv = &adapter->mlmepriv; DBG_871X("%s, fw_state =%x\n", __func__, get_fwstate(pmlmepriv)); if (adapter->bDriverStopped || adapter->bSurpriseRemoved) return; spin_lock_bh(&pmlmepriv->lock); if (rtw_to_roam(adapter) > 0) { /* join timeout caused by roaming */ while (1) { rtw_dec_to_roam(adapter); if (rtw_to_roam(adapter) != 0) { /* try another */ int do_join_r; DBG_871X("%s try another roaming\n", __func__); do_join_r = rtw_do_join(adapter); if (_SUCCESS != do_join_r) { DBG_871X("%s roaming do_join return %d\n", __func__, do_join_r); continue; } break; } else { #ifdef CONFIG_INTEL_WIDI if (adapter->mlmepriv.widi_state == INTEL_WIDI_STATE_ROAMING) { memset(pmlmepriv->sa_ext, 0x00, L2SDTA_SERVICE_VE_LEN); intel_widi_wk_cmd(adapter, INTEL_WIDI_LISTEN_WK, NULL, 0); DBG_871X("change to widi listen\n"); } #endif /* CONFIG_INTEL_WIDI */ DBG_871X("%s We've try roaming but fail\n", __func__); rtw_indicate_disconnect(adapter); break; } } } else{ rtw_indicate_disconnect(adapter); free_scanqueue(pmlmepriv);/* */ /* indicate disconnect for the case that join_timeout and check_fwstate != FW_LINKED */ rtw_cfg80211_indicate_disconnect(adapter); } spin_unlock_bh(&pmlmepriv->lock); } /* * rtw_scan_timeout_handler - Timeout/Failure handler for CMD SiteSurvey * @adapter: pointer to struct adapter structure */ void rtw_scan_timeout_handler(struct timer_list *t) { struct adapter *adapter = from_timer(adapter, t, mlmepriv.scan_to_timer); struct mlme_priv *pmlmepriv = &adapter->mlmepriv; DBG_871X(FUNC_ADPT_FMT" fw_state =%x\n", FUNC_ADPT_ARG(adapter), get_fwstate(pmlmepriv)); spin_lock_bh(&pmlmepriv->lock); _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); spin_unlock_bh(&pmlmepriv->lock); rtw_indicate_scan_done(adapter, true); } void rtw_mlme_reset_auto_scan_int(struct adapter *adapter) { struct mlme_priv *mlme = &adapter->mlmepriv; struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv; struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info); if (pmlmeinfo->VHT_enable) /* disable auto scan when connect to 11AC AP */ mlme->auto_scan_int_ms = 0; else if (adapter->registrypriv.wifi_spec && is_client_associated_to_ap(adapter) == true) mlme->auto_scan_int_ms = 60*1000; else if (rtw_chk_roam_flags(adapter, RTW_ROAM_ACTIVE)) { if (check_fwstate(mlme, WIFI_STATION_STATE) && check_fwstate(mlme, _FW_LINKED)) mlme->auto_scan_int_ms = mlme->roam_scan_int_ms; } else mlme->auto_scan_int_ms = 0; /* disabled */ return; } static void rtw_auto_scan_handler(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; rtw_mlme_reset_auto_scan_int(padapter); if (pmlmepriv->auto_scan_int_ms != 0 && jiffies_to_msecs(jiffies - pmlmepriv->scan_start_time) > pmlmepriv->auto_scan_int_ms) { if (!padapter->registrypriv.wifi_spec) { if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY|_FW_UNDER_LINKING) == true) { DBG_871X(FUNC_ADPT_FMT" _FW_UNDER_SURVEY|_FW_UNDER_LINKING\n", FUNC_ADPT_ARG(padapter)); goto exit; } if (pmlmepriv->LinkDetectInfo.bBusyTraffic == true) { DBG_871X(FUNC_ADPT_FMT" exit BusyTraffic\n", FUNC_ADPT_ARG(padapter)); goto exit; } } DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter)); rtw_set_802_11_bssid_list_scan(padapter, NULL, 0); } exit: return; } void rtw_dynamic_check_timer_handler(struct adapter *adapter) { if (!adapter) return; if (adapter->hw_init_completed == false) return; if ((adapter->bDriverStopped == true) || (adapter->bSurpriseRemoved == true)) return; if (adapter->net_closed == true) return; if (is_primary_adapter(adapter)) DBG_871X("IsBtDisabled =%d, IsBtControlLps =%d\n", rtw_btcoex_IsBtDisabled(adapter), rtw_btcoex_IsBtControlLps(adapter)); if ((adapter_to_pwrctl(adapter)->bFwCurrentInPSMode == true) && (rtw_btcoex_IsBtControlLps(adapter) == false) ) { u8 bEnterPS; linked_status_chk(adapter); bEnterPS = traffic_status_watchdog(adapter, 1); if (bEnterPS) { /* rtw_lps_ctrl_wk_cmd(adapter, LPS_CTRL_ENTER, 1); */ rtw_hal_dm_watchdog_in_lps(adapter); } else{ /* call rtw_lps_ctrl_wk_cmd(padapter, LPS_CTRL_LEAVE, 1) in traffic_status_watchdog() */ } } else{ if (is_primary_adapter(adapter)) { rtw_dynamic_chk_wk_cmd(adapter); } } /* auto site survey */ rtw_auto_scan_handler(adapter); } inline bool rtw_is_scan_deny(struct adapter *adapter) { struct mlme_priv *mlmepriv = &adapter->mlmepriv; return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false; } inline void rtw_clear_scan_deny(struct adapter *adapter) { struct mlme_priv *mlmepriv = &adapter->mlmepriv; atomic_set(&mlmepriv->set_scan_deny, 0); DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter)); } void rtw_set_scan_deny_timer_hdl(struct adapter *adapter) { rtw_clear_scan_deny(adapter); } void rtw_set_scan_deny(struct adapter *adapter, u32 ms) { struct mlme_priv *mlmepriv = &adapter->mlmepriv; DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(adapter)); atomic_set(&mlmepriv->set_scan_deny, 1); _set_timer(&mlmepriv->set_scan_deny_timer, ms); } /* * Select a new roaming candidate from the original @param candidate and @param competitor * @return true: candidate is updated * @return false: candidate is not updated */ static int rtw_check_roaming_candidate(struct mlme_priv *mlme , struct wlan_network **candidate, struct wlan_network *competitor) { int updated = false; struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv); if (is_same_ess(&competitor->network, &mlme->cur_network.network) == false) goto exit; if (rtw_is_desired_network(adapter, competitor) == false) goto exit; DBG_871X("roam candidate:%s %s("MAC_FMT", ch%3u) rssi:%d, age:%5d\n", (competitor == mlme->cur_network_scanned)?"*":" ", competitor->network.Ssid.Ssid, MAC_ARG(competitor->network.MacAddress), competitor->network.Configuration.DSConfig, (int)competitor->network.Rssi, jiffies_to_msecs(jiffies - competitor->last_scanned) ); /* got specific addr to roam */ if (!is_zero_mac_addr(mlme->roam_tgt_addr)) { if (!memcmp(mlme->roam_tgt_addr, competitor->network.MacAddress, ETH_ALEN)) goto update; else goto exit; } if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms) goto exit; if (competitor->network.Rssi - mlme->cur_network_scanned->network.Rssi < mlme->roam_rssi_diff_th) goto exit; if (*candidate != NULL && (*candidate)->network.Rssi >= competitor->network.Rssi) goto exit; update: *candidate = competitor; updated = true; exit: return updated; } int rtw_select_roaming_candidate(struct mlme_priv *mlme) { int ret = _FAIL; struct list_head *phead; struct adapter *adapter; struct __queue *queue = &(mlme->scanned_queue); struct wlan_network *pnetwork = NULL; struct wlan_network *candidate = NULL; if (mlme->cur_network_scanned == NULL) { rtw_warn_on(1); return ret; } spin_lock_bh(&(mlme->scanned_queue.lock)); phead = get_list_head(queue); adapter = (struct adapter *)mlme->nic_hdl; mlme->pscanned = get_next(phead); while (phead != mlme->pscanned) { pnetwork = LIST_CONTAINOR(mlme->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; } mlme->pscanned = get_next(mlme->pscanned); DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n" , pnetwork->network.Ssid.Ssid , MAC_ARG(pnetwork->network.MacAddress) , pnetwork->network.Configuration.DSConfig , (int)pnetwork->network.Rssi); rtw_check_roaming_candidate(mlme, &candidate, pnetwork); } if (candidate == NULL) { DBG_871X("%s: return _FAIL(candidate == NULL)\n", __func__); ret = _FAIL; goto exit; } else { DBG_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__, candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress), candidate->network.Configuration.DSConfig); mlme->roam_network = candidate; if (!memcmp(candidate->network.MacAddress, mlme->roam_tgt_addr, ETH_ALEN)) eth_zero_addr(mlme->roam_tgt_addr); } ret = _SUCCESS; exit: spin_unlock_bh(&(mlme->scanned_queue.lock)); return ret; } /* * 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 *mlme , struct wlan_network **candidate, struct wlan_network *competitor) { int updated = false; struct adapter *adapter = container_of(mlme, struct adapter, mlmepriv); /* check bssid, if needed */ if (mlme->assoc_by_bssid == true) { if (memcmp(competitor->network.MacAddress, mlme->assoc_bssid, ETH_ALEN)) goto exit; } /* check ssid, if needed */ if (mlme->assoc_ssid.Ssid[0] && mlme->assoc_ssid.SsidLength) { if (competitor->network.Ssid.SsidLength != mlme->assoc_ssid.SsidLength || memcmp(competitor->network.Ssid.Ssid, mlme->assoc_ssid.Ssid, mlme->assoc_ssid.SsidLength) ) goto exit; } if (rtw_is_desired_network(adapter, competitor) == false) goto exit; if (rtw_to_roam(adapter) > 0) { if (jiffies_to_msecs(jiffies - competitor->last_scanned) >= mlme->roam_scanr_exp_ms || is_same_ess(&competitor->network, &mlme->cur_network.network) == false ) goto exit; } if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) { *candidate = competitor; updated = true; } if (updated) { DBG_871X("[by_bssid:%u][assoc_ssid:%s]" "[to_roam:%u] " "new candidate: %s("MAC_FMT", ch%u) rssi:%d\n", mlme->assoc_by_bssid, mlme->assoc_ssid.Ssid, rtw_to_roam(adapter), (*candidate)->network.Ssid.Ssid, MAC_ARG((*candidate)->network.MacAddress), (*candidate)->network.Configuration.DSConfig, (int)(*candidate)->network.Rssi ); } 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) { 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; adapter = (struct adapter *)pmlmepriv->nic_hdl; spin_lock_bh(&(pmlmepriv->scanned_queue.lock)); if (pmlmepriv->roam_network) { candidate = pmlmepriv->roam_network; pmlmepriv->roam_network = NULL; goto candidate_exist; } phead = get_list_head(queue); pmlmepriv->pscanned = get_next(phead); while (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); DBG_871X("%s("MAC_FMT", ch%u) rssi:%d\n" , pnetwork->network.Ssid.Ssid , MAC_ARG(pnetwork->network.MacAddress) , pnetwork->network.Configuration.DSConfig , (int)pnetwork->network.Rssi); rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork); } if (candidate == NULL) { DBG_871X("%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_871X("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__, candidate->network.Ssid.Ssid, MAC_ARG(candidate->network.MacAddress), candidate->network.Configuration.DSConfig); goto candidate_exist; } candidate_exist: /* check for situation of _FW_LINKED */ if (check_fwstate(pmlmepriv, _FW_LINKED) == true) { DBG_871X("%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); } set_fwstate(pmlmepriv, _FW_UNDER_LINKING); ret = rtw_joinbss_cmd(adapter, candidate); exit: spin_unlock_bh(&(pmlmepriv->scanned_queue.lock)); return ret; } sint rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv) { struct cmd_obj *pcmd; struct setauth_parm *psetauthparm; struct cmd_priv *pcmdpriv = &(adapter->cmdpriv); sint res = _SUCCESS; pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd == NULL) { res = _FAIL; /* try again */ goto exit; } psetauthparm = rtw_zmalloc(sizeof(struct setauth_parm)); if (psetauthparm == NULL) { kfree((unsigned char *)pcmd); res = _FAIL; goto exit; } 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; INIT_LIST_HEAD(&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: return res; } sint rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, sint keyid, u8 set_tx, bool enqueue) { u8 keylen; struct cmd_obj *pcmd; struct setkey_parm *psetkeyparm; struct cmd_priv *pcmdpriv = &(adapter->cmdpriv); sint res = _SUCCESS; psetkeyparm = rtw_zmalloc(sizeof(struct setkey_parm)); if (psetkeyparm == NULL) { res = _FAIL; goto exit; } 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; if (is_wep_enc(psetkeyparm->algorithm)) adapter->securitypriv.key_mask |= BIT(psetkeyparm->keyid); DBG_871X("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n", psetkeyparm->algorithm, psetkeyparm->keyid, adapter->securitypriv.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; kfree((unsigned char *)psetkeyparm); goto exit; } if (enqueue) { pcmd = rtw_zmalloc(sizeof(struct cmd_obj)); if (pcmd == NULL) { kfree((unsigned char *)psetkeyparm); res = _FAIL; /* try again */ goto exit; } pcmd->cmdcode = _SetKey_CMD_; pcmd->parmbuf = (u8 *)psetkeyparm; pcmd->cmdsz = (sizeof(struct setkey_parm)); pcmd->rsp = NULL; pcmd->rspsz = 0; INIT_LIST_HEAD(&pcmd->list); /* sema_init(&(pcmd->cmd_sem), 0); */ res = rtw_enqueue_cmd(pcmdpriv, pcmd); } else{ setkey_hdl(adapter, (u8 *)psetkeyparm); kfree((u8 *) psetkeyparm); } 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 */ 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) && (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) { 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; } sint rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len) { u8 authmode = 0x0; uint ielength; int iEntry; struct mlme_priv *pmlmepriv = &adapter->mlmepriv; struct security_priv *psecuritypriv = &adapter->securitypriv; uint ndisauthmode = psecuritypriv->ndisauthtype; RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_restruct_sec_ie: ndisauthmode =%d\n", ndisauthmode)); /* 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); /* debug for CONFIG_IEEE80211W { int jj; printk("supplicant_ie_length =%d &&&&&&&&&&&&&&&&&&&\n", psecuritypriv->supplicant_ie[1]+2); for (jj = 0; jj < psecuritypriv->supplicant_ie[1]+2; jj++) printk(" %02x ", psecuritypriv->supplicant_ie[jj]); printk("\n"); }*/ 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); } 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); 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_conf); 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; } 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; /* struct xmit_priv *pxmitpriv = &adapter->xmitpriv; */ 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 */ /* rtw_set_supported_rate(pdev_network->SupportedRates, pregistrypriv->wireless_mode) ; will be called in rtw_generate_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); */ } void rtw_get_encrypt_decrypt_from_registrypriv(struct adapter *adapter) { } /* 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)); } } void rtw_ht_use_default_setting(struct adapter *padapter) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; struct registry_priv *pregistrypriv = &padapter->registrypriv; bool bHwLDPCSupport = false, bHwSTBCSupport = false; bool bHwSupportBeamformer = false, bHwSupportBeamformee = false; if (pregistrypriv->wifi_spec) phtpriv->bss_coexist = 1; else phtpriv->bss_coexist = 0; phtpriv->sgi_40m = TEST_FLAG(pregistrypriv->short_gi, BIT1) ? true : false; phtpriv->sgi_20m = TEST_FLAG(pregistrypriv->short_gi, BIT0) ? true : false; /* LDPC support */ rtw_hal_get_def_var(padapter, HAL_DEF_RX_LDPC, (u8 *)&bHwLDPCSupport); CLEAR_FLAGS(phtpriv->ldpc_cap); if (bHwLDPCSupport) { if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT4)) SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_RX); } rtw_hal_get_def_var(padapter, HAL_DEF_TX_LDPC, (u8 *)&bHwLDPCSupport); if (bHwLDPCSupport) { if (TEST_FLAG(pregistrypriv->ldpc_cap, BIT5)) SET_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX); } if (phtpriv->ldpc_cap) DBG_871X("[HT] Support LDPC = 0x%02X\n", phtpriv->ldpc_cap); /* STBC */ rtw_hal_get_def_var(padapter, HAL_DEF_TX_STBC, (u8 *)&bHwSTBCSupport); CLEAR_FLAGS(phtpriv->stbc_cap); if (bHwSTBCSupport) { if (TEST_FLAG(pregistrypriv->stbc_cap, BIT5)) SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX); } rtw_hal_get_def_var(padapter, HAL_DEF_RX_STBC, (u8 *)&bHwSTBCSupport); if (bHwSTBCSupport) { if (TEST_FLAG(pregistrypriv->stbc_cap, BIT4)) SET_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX); } if (phtpriv->stbc_cap) DBG_871X("[HT] Support STBC = 0x%02X\n", phtpriv->stbc_cap); /* Beamforming setting */ rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMER, (u8 *)&bHwSupportBeamformer); rtw_hal_get_def_var(padapter, HAL_DEF_EXPLICIT_BEAMFORMEE, (u8 *)&bHwSupportBeamformee); CLEAR_FLAGS(phtpriv->beamform_cap); if (TEST_FLAG(pregistrypriv->beamform_cap, BIT4) && bHwSupportBeamformer) { SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMER_ENABLE); DBG_871X("[HT] Support Beamformer\n"); } if (TEST_FLAG(pregistrypriv->beamform_cap, BIT5) && bHwSupportBeamformee) { SET_FLAG(phtpriv->beamform_cap, BEAMFORMING_HT_BEAMFORMEE_ENABLE); DBG_871X("[HT] Support Beamformee\n"); } } void rtw_build_wmm_ie_ht(struct adapter *padapter, u8 *out_ie, uint *pout_len) { unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; int out_len; u8 *pframe; if (padapter->mlmepriv.qospriv.qos_option == 0) { out_len = *pout_len; pframe = rtw_set_ie(out_ie+out_len, _VENDOR_SPECIFIC_IE_, _WMM_IE_Length_, WMM_IE, pout_len); padapter->mlmepriv.qospriv.qos_option = 1; } } /* 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, u8 channel) { u32 ielen, out_len; enum HT_CAP_AMPDU_FACTOR max_rx_ampdu_factor; unsigned char *p, *pframe; struct rtw_ieee80211_ht_cap ht_capie; u8 cbw40_enable = 0, stbc_rx_enable = 0, rf_type = 0, operation_bw = 0; struct registry_priv *pregistrypriv = &padapter->registrypriv; struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; phtpriv->ht_option = false; out_len = *pout_len; memset(&ht_capie, 0, sizeof(struct rtw_ieee80211_ht_cap)); ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_DSSSCCK40); if (phtpriv->sgi_20m) ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_20); /* Get HT BW */ if (in_ie == NULL) { /* TDLS: TODO 20/40 issue */ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { operation_bw = padapter->mlmeextpriv.cur_bwmode; if (operation_bw > CHANNEL_WIDTH_40) operation_bw = CHANNEL_WIDTH_40; } else /* TDLS: TODO 40? */ operation_bw = CHANNEL_WIDTH_40; } else { p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len); if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) { struct HT_info_element *pht_info = (struct HT_info_element *)(p+2); if (pht_info->infos[0] & BIT(2)) { switch (pht_info->infos[0] & 0x3) { case 1: case 3: operation_bw = CHANNEL_WIDTH_40; break; default: operation_bw = CHANNEL_WIDTH_20; break; } } else { operation_bw = CHANNEL_WIDTH_20; } } } /* to disable 40M Hz support while gd_bw_40MHz_en = 0 */ if (channel > 14) { if ((pregistrypriv->bw_mode & 0xf0) > 0) cbw40_enable = 1; } else { if ((pregistrypriv->bw_mode & 0x0f) > 0) cbw40_enable = 1; } if ((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) { ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH); if (phtpriv->sgi_40m) ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SGI_40); } if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX)) ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_TX_STBC); /* todo: disable SM power save mode */ ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_SM_PS); if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_RX)) { if ((channel <= 14 && pregistrypriv->rx_stbc == 0x1) || /* enable for 2.4GHz */ (pregistrypriv->wifi_spec == 1)) { stbc_rx_enable = 1; DBG_871X("declare supporting RX STBC\n"); } } /* fill default supported_mcs_set */ memcpy(ht_capie.supp_mcs_set, pmlmeext->default_supported_mcs_set, 16); /* update default supported_mcs_set */ rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); switch (rf_type) { case RF_1T1R: if (stbc_rx_enable) ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_1R);/* RX STBC One spatial stream */ set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_1R); break; case RF_2T2R: case RF_1T2R: default: if (stbc_rx_enable) ht_capie.cap_info |= cpu_to_le16(IEEE80211_HT_CAP_RX_STBC_2R);/* RX STBC two spatial stream */ #ifdef CONFIG_DISABLE_MCS13TO15 if (((cbw40_enable == 1) && (operation_bw == CHANNEL_WIDTH_40)) && (pregistrypriv->wifi_spec != 1)) set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R_13TO15_OFF); else set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R); #else /* CONFIG_DISABLE_MCS13TO15 */ set_mcs_rate_by_mask(ht_capie.supp_mcs_set, MCS_RATE_2R); #endif /* CONFIG_DISABLE_MCS13TO15 */ break; } { 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 (padapter->driver_rx_ampdu_factor != 0xFF) max_rx_ampdu_factor = (enum HT_CAP_AMPDU_FACTOR)padapter->driver_rx_ampdu_factor; else rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); /* 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); pframe = 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; if (in_ie != NULL) { p = rtw_get_ie(in_ie, _HT_ADD_INFO_IE_, &ielen, in_len); if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) { out_len = *pout_len; pframe = 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 channel) { u8 *p, max_ampdu_sz; int len; /* struct sta_info *bmc_sta, *psta; */ struct rtw_ieee80211_ht_cap *pht_capie; struct ieee80211_ht_addt_info *pht_addtinfo; /* 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); u8 cbw40_enable = 0; if (!phtpriv->ht_option) return; if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable)) return; DBG_871X("+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) { /* remove this part because testbed AP should disable RX AMPDU */ /* phtpriv->ampdu_enable = false; */ phtpriv->ampdu_enable = true; } else { phtpriv->ampdu_enable = true; } } else if (pregistrypriv->ampdu_enable == 2) { /* remove this part because testbed AP should disable RX AMPDU */ /* phtpriv->ampdu_enable = true; */ } /* check Max Rx A-MPDU Size */ len = 0; p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fix_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_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_871X("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_fix_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fix_ie)); if (p && len > 0) { pht_addtinfo = (struct ieee80211_ht_addt_info *)(p+2); /* todo: */ } if (channel > 14) { if ((pregistrypriv->bw_mode & 0xf0) > 0) cbw40_enable = 1; } else { if ((pregistrypriv->bw_mode & 0x0f) > 0) cbw40_enable = 1; } /* update cur_bwmode & cur_ch_offset */ if ((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; rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type)); /* update the MCS set */ for (i = 0; i < 16; i++) pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i]; /* update the MCS rates */ switch (rf_type) { case RF_1T1R: case RF_1T2R: set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R); break; case RF_2T2R: default: #ifdef CONFIG_DISABLE_MCS13TO15 if (pmlmeext->cur_bwmode == CHANNEL_WIDTH_40 && pregistrypriv->wifi_spec != 1) set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R_13TO15_OFF); else set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); #else /* CONFIG_DISABLE_MCS13TO15 */ set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R); #endif /* CONFIG_DISABLE_MCS13TO15 */ } /* switch to the 40M Hz mode according to the AP */ /* pmlmeext->cur_bwmode = CHANNEL_WIDTH_40; */ switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) { case EXTCHNL_OFFSET_UPPER: pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; break; case 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_871X("%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.bTxBusyTraffic == false)) */ if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100)) return; priority = pattrib->priority; psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); if (pattrib->psta != psta) { DBG_871X("%s, pattrib->psta(%p) != psta(%p)\n", __func__, pattrib->psta, psta); return; } if (psta == NULL) { DBG_871X("%s, psta ==NUL\n", __func__); return; } if (!(psta->state & _FW_LINKED)) { DBG_871X("%s, psta->state(0x%x) != _FW_LINKED\n", __func__, psta->state); 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_871X("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_append_exented_cap(struct adapter *padapter, u8 *out_ie, uint *pout_len) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct ht_priv *phtpriv = &pmlmepriv->htpriv; u8 cap_content[8] = {0}; u8 *pframe; if (phtpriv->bss_coexist) { SET_EXT_CAPABILITY_ELE_BSS_COEXIST(cap_content, 1); } pframe = rtw_set_ie(out_ie + *pout_len, EID_EXTCapability, 8, cap_content, pout_len); } inline void rtw_set_to_roam(struct adapter *adapter, u8 to_roam) { if (to_roam == 0) adapter->mlmepriv.to_join = false; adapter->mlmepriv.to_roam = to_roam; } inline u8 rtw_dec_to_roam(struct adapter *adapter) { adapter->mlmepriv.to_roam--; return adapter->mlmepriv.to_roam; } inline u8 rtw_to_roam(struct adapter *adapter) { return adapter->mlmepriv.to_roam; } void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; spin_lock_bh(&pmlmepriv->lock); _rtw_roaming(padapter, tgt_network); spin_unlock_bh(&pmlmepriv->lock); } void _rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network) { struct mlme_priv *pmlmepriv = &padapter->mlmepriv; struct wlan_network *cur_network = &pmlmepriv->cur_network; int do_join_r; if (0 < rtw_to_roam(padapter)) { DBG_871X("roaming from %s("MAC_FMT"), length:%d\n", cur_network->network.Ssid.Ssid, MAC_ARG(cur_network->network.MacAddress), cur_network->network.Ssid.SsidLength); memcpy(&pmlmepriv->assoc_ssid, &cur_network->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_871X("roaming do_join return %d\n", do_join_r); rtw_dec_to_roam(padapter); if (rtw_to_roam(padapter) > 0) { continue; } else { DBG_871X("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__); rtw_indicate_disconnect(padapter); break; } } } } } sint rtw_linked_check(struct adapter *padapter) { if ((check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) == true) || (check_fwstate(&padapter->mlmepriv, WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE) == true)) { if (padapter->stapriv.asoc_sta_count > 2) return true; } else{ /* Station mode */ if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == true) return true; } return false; }