| /****************************************************************************** |
| * |
| * 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. |
| * |
| ******************************************************************************/ |
| #define _RTW_MLME_C_ |
| |
| #include <osdep_service.h> |
| #include <drv_types.h> |
| #include <recv_osdep.h> |
| #include <xmit_osdep.h> |
| #include <hal_intf.h> |
| #include <mlme_osdep.h> |
| #include <sta_info.h> |
| #include <linux/ieee80211.h> |
| #include <wifi.h> |
| #include <wlan_bssdef.h> |
| #include <rtw_sreset.h> |
| |
| static struct wlan_network * |
| rtw_select_candidate_from_queue(struct mlme_priv *pmlmepriv); |
| static int rtw_do_join(struct rtw_adapter *padapter); |
| |
| static void rtw_init_mlme_timer(struct rtw_adapter *padapter) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| setup_timer(&pmlmepriv->assoc_timer, rtw23a_join_to_handler, |
| (unsigned long)padapter); |
| |
| setup_timer(&pmlmepriv->scan_to_timer, rtw_scan_timeout_handler23a, |
| (unsigned long)padapter); |
| |
| setup_timer(&pmlmepriv->dynamic_chk_timer, |
| rtw_dynamic_check_timer_handler, (unsigned long)padapter); |
| |
| setup_timer(&pmlmepriv->set_scan_deny_timer, |
| rtw_set_scan_deny_timer_hdl, (unsigned long)padapter); |
| } |
| |
| int rtw_init_mlme_priv23a(struct rtw_adapter *padapter) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| pmlmepriv->nic_hdl = padapter; |
| |
| pmlmepriv->fw_state = 0; |
| pmlmepriv->cur_network.network.ifmode = NL80211_IFTYPE_UNSPECIFIED; |
| /* 1: active, 0: pasive. Maybe someday we should rename this |
| varable to "active_mode" (Jeff) */ |
| pmlmepriv->scan_mode = SCAN_ACTIVE; |
| |
| spin_lock_init(&pmlmepriv->lock); |
| _rtw_init_queue23a(&pmlmepriv->scanned_queue); |
| |
| memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct cfg80211_ssid)); |
| |
| rtw_clear_scan_deny(padapter); |
| |
| rtw_init_mlme_timer(padapter); |
| return _SUCCESS; |
| } |
| |
| #ifdef CONFIG_8723AU_AP_MODE |
| static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen) |
| { |
| if (*ppie) { |
| kfree(*ppie); |
| *plen = 0; |
| *ppie = NULL; |
| } |
| } |
| #endif |
| |
| void rtw23a_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv) |
| { |
| #ifdef CONFIG_8723AU_AP_MODE |
| kfree(pmlmepriv->assoc_req); |
| kfree(pmlmepriv->assoc_rsp); |
| rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, |
| &pmlmepriv->wps_probe_req_ie_len); |
| #endif |
| } |
| |
| void rtw_free_mlme_priv23a(struct mlme_priv *pmlmepriv) |
| { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("rtw_free_mlme_priv23a\n")); |
| |
| rtw23a_free_mlme_priv_ie_data(pmlmepriv); |
| } |
| |
| struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv, gfp_t gfp) |
| { |
| struct wlan_network *pnetwork; |
| |
| pnetwork = kzalloc(sizeof(struct wlan_network), gfp); |
| if (pnetwork) { |
| INIT_LIST_HEAD(&pnetwork->list); |
| pnetwork->network_type = 0; |
| pnetwork->fixed = false; |
| pnetwork->last_scanned = jiffies; |
| pnetwork->join_res = 0; |
| } |
| |
| return pnetwork; |
| } |
| |
| static void _rtw_free_network23a(struct mlme_priv *pmlmepriv, |
| struct wlan_network *pnetwork) |
| { |
| if (!pnetwork) |
| return; |
| |
| if (pnetwork->fixed == true) |
| return; |
| |
| list_del_init(&pnetwork->list); |
| |
| kfree(pnetwork); |
| } |
| |
| /* |
| return the wlan_network with the matching addr |
| |
| Shall be called under atomic context... to avoid possible racing condition... |
| */ |
| struct wlan_network * |
| rtw_find_network23a(struct rtw_queue *scanned_queue, u8 *addr) |
| { |
| struct list_head *phead, *plist; |
| struct wlan_network *pnetwork = NULL; |
| |
| if (is_zero_ether_addr(addr)) { |
| pnetwork = NULL; |
| goto exit; |
| } |
| |
| /* spin_lock_bh(&scanned_queue->lock); */ |
| |
| phead = get_list_head(scanned_queue); |
| plist = phead->next; |
| |
| while (plist != phead) { |
| pnetwork = container_of(plist, struct wlan_network, list); |
| |
| if (ether_addr_equal(addr, pnetwork->network.MacAddress)) |
| break; |
| |
| plist = plist->next; |
| } |
| |
| if (plist == phead) |
| pnetwork = NULL; |
| |
| /* spin_unlock_bh(&scanned_queue->lock); */ |
| |
| exit: |
| |
| return pnetwork; |
| } |
| |
| void rtw_free_network_queue23a(struct rtw_adapter *padapter) |
| { |
| struct list_head *phead, *plist, *ptmp; |
| struct wlan_network *pnetwork; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct rtw_queue *scanned_queue = &pmlmepriv->scanned_queue; |
| |
| spin_lock_bh(&scanned_queue->lock); |
| |
| phead = get_list_head(scanned_queue); |
| |
| list_for_each_safe(plist, ptmp, phead) { |
| pnetwork = container_of(plist, struct wlan_network, list); |
| |
| _rtw_free_network23a(pmlmepriv, pnetwork); |
| } |
| |
| spin_unlock_bh(&scanned_queue->lock); |
| } |
| |
| int rtw_if_up23a(struct rtw_adapter *padapter) |
| { |
| int res; |
| |
| if (padapter->bDriverStopped || padapter->bSurpriseRemoved || |
| !check_fwstate(&padapter->mlmepriv, _FW_LINKED)) { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("rtw_if_up23a:bDriverStopped(%d) OR " |
| "bSurpriseRemoved(%d)", padapter->bDriverStopped, |
| padapter->bSurpriseRemoved)); |
| res = false; |
| } else |
| res = true; |
| |
| return res; |
| } |
| |
| void rtw_generate_random_ibss23a(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] = curtime & 0xff;/* p[0]; */ |
| pibss[4] = (curtime >> 8) & 0xff;/* p[1]; */ |
| pibss[5] = (curtime >> 16) & 0xff;/* p[2]; */ |
| } |
| |
| void rtw_set_roaming(struct rtw_adapter *adapter, u8 to_roaming) |
| { |
| if (to_roaming == 0) |
| adapter->mlmepriv.to_join = false; |
| adapter->mlmepriv.to_roaming = to_roaming; |
| } |
| |
| static void _rtw_roaming(struct rtw_adapter *padapter, |
| struct wlan_network *tgt_network) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct wlan_network *pnetwork; |
| int do_join_r; |
| |
| if (tgt_network) |
| pnetwork = tgt_network; |
| else |
| pnetwork = &pmlmepriv->cur_network; |
| |
| if (padapter->mlmepriv.to_roaming > 0) { |
| DBG_8723A("roaming from %s("MAC_FMT"), length:%d\n", |
| pnetwork->network.Ssid.ssid, |
| MAC_ARG(pnetwork->network.MacAddress), |
| pnetwork->network.Ssid.ssid_len); |
| memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.Ssid, |
| sizeof(struct cfg80211_ssid)); |
| |
| pmlmepriv->assoc_by_bssid = false; |
| |
| while (1) { |
| do_join_r = rtw_do_join(padapter); |
| if (do_join_r == _SUCCESS) |
| break; |
| else { |
| DBG_8723A("roaming do_join return %d\n", |
| do_join_r); |
| pmlmepriv->to_roaming--; |
| |
| if (padapter->mlmepriv.to_roaming > 0) |
| continue; |
| else { |
| DBG_8723A("%s(%d) -to roaming fail, " |
| "indicate_disconnect\n", |
| __func__, __LINE__); |
| rtw_indicate_disconnect23a(padapter); |
| break; |
| } |
| } |
| } |
| } |
| } |
| |
| void rtw23a_roaming(struct rtw_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); |
| } |
| |
| static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv, |
| struct wlan_network *pnetwork) |
| { |
| _rtw_free_network23a(pmlmepriv, pnetwork); |
| } |
| |
| bool rtw_is_same_ibss23a(struct rtw_adapter *adapter, |
| struct wlan_network *pnetwork) |
| { |
| int ret; |
| struct security_priv *psecuritypriv = &adapter->securitypriv; |
| |
| if (psecuritypriv->dot11PrivacyAlgrthm != 0 && |
| pnetwork->network.Privacy == 0) |
| ret = false; |
| else if (psecuritypriv->dot11PrivacyAlgrthm == 0 && |
| 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.ssid_len == b->Ssid.ssid_len) && |
| !memcmp(a->Ssid.ssid, b->Ssid.ssid, a->Ssid.ssid_len); |
| } |
| |
| int is_same_network23a(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst) |
| { |
| u16 s_cap, d_cap; |
| |
| s_cap = src->capability; |
| d_cap = dst->capability; |
| |
| return ((src->Ssid.ssid_len == dst->Ssid.ssid_len) && |
| /* (src->DSConfig == dst->DSConfig) && */ |
| ether_addr_equal(src->MacAddress, dst->MacAddress) && |
| !memcmp(src->Ssid.ssid, dst->Ssid.ssid, src->Ssid.ssid_len) && |
| (s_cap & WLAN_CAPABILITY_IBSS) == |
| (d_cap & WLAN_CAPABILITY_IBSS) && |
| (s_cap & WLAN_CAPABILITY_ESS) == (d_cap & WLAN_CAPABILITY_ESS)); |
| } |
| |
| struct wlan_network * |
| rtw_get_oldest_wlan_network23a(struct rtw_queue *scanned_queue) |
| { |
| struct list_head *plist, *phead; |
| struct wlan_network *pwlan; |
| struct wlan_network *oldest = NULL; |
| |
| phead = get_list_head(scanned_queue); |
| |
| list_for_each(plist, phead) { |
| pwlan = container_of(plist, struct wlan_network, list); |
| |
| if (pwlan->fixed != true) { |
| if (!oldest || time_after(oldest->last_scanned, |
| pwlan->last_scanned)) |
| oldest = pwlan; |
| } |
| } |
| |
| return oldest; |
| } |
| |
| void update_network23a(struct wlan_bssid_ex *dst, struct wlan_bssid_ex *src, |
| struct rtw_adapter *padapter, bool update_ie) |
| { |
| u8 ss_ori = dst->SignalStrength; |
| u8 sq_ori = dst->SignalQuality; |
| long rssi_ori = dst->Rssi; |
| |
| u8 ss_smp = src->SignalStrength; |
| u8 sq_smp = src->SignalQuality; |
| long rssi_smp = src->Rssi; |
| |
| u8 ss_final; |
| u8 sq_final; |
| long rssi_final; |
| |
| DBG_8723A("%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->DSConfig, ss_ori, sq_ori, rssi_ori, |
| ss_smp, sq_smp, rssi_smp |
| ); |
| |
| /* The rule below is 1/5 for sample value, 4/5 for history value */ |
| if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && |
| is_same_network23a(&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->SignalStrength + |
| (u32)dst->SignalStrength * 4) / 5; |
| sq_final = ((u32)src->SignalQuality + |
| (u32)dst->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->SignalStrength; |
| sq_final = dst->SignalQuality; |
| rssi_final = dst->Rssi; |
| } |
| |
| } |
| |
| if (update_ie) |
| memcpy(dst, src, get_wlan_bssid_ex_sz(src)); |
| |
| dst->SignalStrength = ss_final; |
| dst->SignalQuality = sq_final; |
| dst->Rssi = rssi_final; |
| |
| DBG_8723A("%s %s(%pM), SignalStrength:%u, SignalQuality:%u, " |
| "RawRSSI:%ld\n", __func__, dst->Ssid.ssid, dst->MacAddress, |
| dst->SignalStrength, dst->SignalQuality, dst->Rssi); |
| } |
| |
| static void update_current_network(struct rtw_adapter *adapter, |
| struct wlan_bssid_ex *pnetwork) |
| { |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| |
| if (check_fwstate(pmlmepriv, _FW_LINKED) && |
| is_same_network23a(&pmlmepriv->cur_network.network, pnetwork)) { |
| update_network23a(&pmlmepriv->cur_network.network, |
| pnetwork, adapter, true); |
| |
| rtw_update_protection23a(adapter, |
| pmlmepriv->cur_network.network.IEs, |
| pmlmepriv->cur_network.network.IELength); |
| } |
| } |
| |
| /* |
| |
| Caller must hold pmlmepriv->lock first. |
| |
| */ |
| static void rtw_update_scanned_network(struct rtw_adapter *adapter, |
| struct wlan_bssid_ex *target) |
| { |
| struct list_head *plist, *phead; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct wlan_network *pnetwork = NULL; |
| struct wlan_network *oldest = NULL; |
| struct rtw_queue *queue = &pmlmepriv->scanned_queue; |
| u32 bssid_ex_sz; |
| int found = 0; |
| |
| spin_lock_bh(&queue->lock); |
| phead = get_list_head(queue); |
| |
| list_for_each(plist, phead) { |
| pnetwork = container_of(plist, struct wlan_network, list); |
| |
| if (is_same_network23a(&pnetwork->network, target)) { |
| found = 1; |
| break; |
| } |
| if (!oldest || time_after(oldest->last_scanned, |
| pnetwork->last_scanned)) |
| oldest = pnetwork; |
| } |
| |
| /* If we didn't find a match, then get a new network slot to initialize |
| * with this beacon's information */ |
| if (!found) { |
| pnetwork = rtw_alloc_network(pmlmepriv, GFP_ATOMIC); |
| if (!pnetwork) { |
| if (!oldest) { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("\n\n\nsomething wrong here\n\n\n")); |
| goto exit; |
| } |
| pnetwork = oldest; |
| } else |
| list_add_tail(&pnetwork->list, &queue->queue); |
| |
| bssid_ex_sz = get_wlan_bssid_ex_sz(target); |
| target->Length = bssid_ex_sz; |
| memcpy(&pnetwork->network, target, bssid_ex_sz); |
| |
| /* variable initialize */ |
| pnetwork->fixed = false; |
| pnetwork->last_scanned = jiffies; |
| |
| pnetwork->network_type = 0; |
| pnetwork->join_res = 0; |
| |
| /* bss info not receiving from the right channel */ |
| if (pnetwork->network.SignalQuality == 101) |
| pnetwork->network.SignalQuality = 0; |
| } 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 == 1, means that scanned network is |
| * a bcn frame. */ |
| if (pnetwork->network.IELength > target->IELength && |
| target->reserved == 1) |
| update_ie = false; |
| |
| update_network23a(&pnetwork->network, target, adapter, |
| update_ie); |
| } |
| |
| exit: |
| spin_unlock_bh(&queue->lock); |
| } |
| |
| static void rtw_add_network(struct rtw_adapter *adapter, |
| struct wlan_bssid_ex *pnetwork) |
| { |
| update_current_network(adapter, pnetwork); |
| rtw_update_scanned_network(adapter, pnetwork); |
| } |
| |
| /* select the desired network based on the capability of the (i)bss. */ |
| /* check items: (1) security */ |
| /* (2) network_type */ |
| /* (3) WMM */ |
| /* (4) HT */ |
| /* (5) others */ |
| static int rtw_is_desired_network(struct rtw_adapter *adapter, |
| struct wlan_network *pnetwork) |
| { |
| struct security_priv *psecuritypriv = &adapter->securitypriv; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| u32 desired_encmode; |
| u32 privacy; |
| int bselected = true; |
| |
| desired_encmode = psecuritypriv->ndisencryptstatus; |
| privacy = pnetwork->network.Privacy; |
| |
| if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) { |
| if (cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, |
| WLAN_OUI_TYPE_MICROSOFT_WPA, |
| pnetwork->network.IEs, |
| pnetwork->network.IELength)) |
| 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_8723A("desired_encmode: %d, privacy: %d\n", |
| desired_encmode, privacy); |
| bselected = false; |
| } |
| |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| if (pnetwork->network.ifmode != |
| pmlmepriv->cur_network.network.ifmode) |
| bselected = false; |
| } |
| |
| return bselected; |
| } |
| |
| /* TODO: Perry : For Power Management */ |
| void rtw_atimdone_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf) |
| { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("receive atimdone_evet\n")); |
| } |
| |
| void rtw_survey_event_cb23a(struct rtw_adapter *adapter, const u8 *pbuf) |
| { |
| u32 len; |
| struct wlan_bssid_ex *pnetwork; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct survey_event *survey = (struct survey_event *)pbuf; |
| |
| pnetwork = survey->bss; |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("rtw_survey_event_cb23a, 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_cb23a: return a wrong " |
| "bss ***\n")); |
| return; |
| } |
| |
| spin_lock_bh(&pmlmepriv->lock); |
| |
| /* update IBSS_network 's timestamp */ |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { |
| /* RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| "rtw_survey_event_cb23a : WIFI_ADHOC_MASTER_STATE\n\n"); */ |
| if (ether_addr_equal(pmlmepriv->cur_network.network.MacAddress, |
| pnetwork->MacAddress)) { |
| struct wlan_network *ibss_wlan; |
| |
| pmlmepriv->cur_network.network.beacon_interval = |
| pnetwork->beacon_interval; |
| pmlmepriv->cur_network.network.capability = |
| pnetwork->capability; |
| pmlmepriv->cur_network.network.tsf = pnetwork->tsf; |
| spin_lock_bh(&pmlmepriv->scanned_queue.lock); |
| ibss_wlan = rtw_find_network23a( |
| &pmlmepriv->scanned_queue, |
| pnetwork->MacAddress); |
| if (ibss_wlan) { |
| pmlmepriv->cur_network.network.beacon_interval = |
| ibss_wlan->network.beacon_interval; |
| pmlmepriv->cur_network.network.capability = |
| ibss_wlan->network.capability; |
| pmlmepriv->cur_network.network.tsf = |
| ibss_wlan->network.tsf; |
| 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)) { |
| if (pnetwork->Ssid.ssid[0] == 0) |
| pnetwork->Ssid.ssid_len = 0; |
| |
| rtw_add_network(adapter, pnetwork); |
| } |
| |
| exit: |
| |
| spin_unlock_bh(&pmlmepriv->lock); |
| |
| kfree(survey->bss); |
| survey->bss = NULL; |
| } |
| |
| void |
| rtw_surveydone_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf) |
| { |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct mlme_ext_priv *pmlmeext = &adapter->mlmeextpriv; |
| int ret; |
| |
| 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_callback23a: fw_state:%x\n\n", |
| get_fwstate(pmlmepriv))); |
| |
| if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) { |
| del_timer_sync(&pmlmepriv->scan_to_timer); |
| |
| _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) { |
| set_fwstate(pmlmepriv, _FW_UNDER_LINKING); |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| ret = rtw_select_and_join_from_scanned_queue23a( |
| pmlmepriv); |
| if (ret != _SUCCESS) |
| rtw_do_join_adhoc(adapter); |
| } else { |
| pmlmepriv->to_join = false; |
| ret = rtw_select_and_join_from_scanned_queue23a( |
| pmlmepriv); |
| if (ret != _SUCCESS) { |
| DBG_8723A("try_to_join, but select scanning " |
| "queue fail, to_roaming:%d\n", |
| adapter->mlmepriv.to_roaming); |
| if (adapter->mlmepriv.to_roaming) { |
| if (--pmlmepriv->to_roaming == 0 || |
| rtw_sitesurvey_cmd23a( |
| adapter, |
| &pmlmepriv->assoc_ssid, 1, |
| NULL, 0) != _SUCCESS) { |
| rtw_set_roaming(adapter, 0); |
| rtw_free_assoc_resources23a( |
| adapter, 1); |
| rtw_indicate_disconnect23a( |
| adapter); |
| } else |
| pmlmepriv->to_join = true; |
| } |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); |
| } |
| } |
| } |
| |
| spin_unlock_bh(&pmlmepriv->lock); |
| |
| rtw_os_xmit_schedule23a(adapter); |
| |
| if (pmlmeext->sitesurvey_res.bss_cnt == 0) |
| rtw_sreset_reset(adapter); |
| |
| rtw_cfg80211_surveydone_event_callback(adapter); |
| } |
| |
| static void free_scanqueue(struct mlme_priv *pmlmepriv) |
| { |
| struct wlan_network *pnetwork; |
| struct rtw_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); |
| |
| phead = get_list_head(scan_queue); |
| |
| list_for_each_safe(plist, ptemp, phead) { |
| pnetwork = container_of(plist, struct wlan_network, list); |
| pnetwork->fixed = false; |
| _rtw_free_network23a(pmlmepriv, pnetwork); |
| } |
| |
| spin_unlock_bh(&scan_queue->lock); |
| } |
| |
| /* |
| *rtw_free_assoc_resources23a: the caller has to lock pmlmepriv->lock |
| */ |
| void rtw_free_assoc_resources23a(struct rtw_adapter *adapter, |
| int lock_scanned_queue) |
| { |
| struct wlan_network *pwlan; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct sta_priv *pstapriv = &adapter->stapriv; |
| struct wlan_network *tgt_network = &pmlmepriv->cur_network; |
| struct sta_info *psta; |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, |
| ("+rtw_free_assoc_resources23a\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)) { |
| psta = rtw_get_stainfo23a(&adapter->stapriv, |
| tgt_network->network.MacAddress); |
| |
| spin_lock_bh(&pstapriv->sta_hash_lock); |
| rtw_free_stainfo23a(adapter, psta); |
| spin_unlock_bh(&pstapriv->sta_hash_lock); |
| } |
| |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE | |
| WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) { |
| rtw_free_all_stainfo23a(adapter); |
| |
| psta = rtw_get_bcmc_stainfo23a(adapter); |
| spin_lock_bh(&pstapriv->sta_hash_lock); |
| rtw_free_stainfo23a(adapter, psta); |
| spin_unlock_bh(&pstapriv->sta_hash_lock); |
| |
| rtw_init_bcmc_stainfo23a(adapter); |
| } |
| |
| if (lock_scanned_queue) |
| spin_lock_bh(&pmlmepriv->scanned_queue.lock); |
| |
| pwlan = rtw_find_network23a(&pmlmepriv->scanned_queue, |
| tgt_network->network.MacAddress); |
| if (pwlan) |
| pwlan->fixed = false; |
| else |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("rtw_free_assoc_resources23a : pwlan== NULL\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) |
| spin_unlock_bh(&pmlmepriv->scanned_queue.lock); |
| |
| pmlmepriv->key_mask = 0; |
| } |
| |
| /* |
| *rtw_indicate_connect23a: the caller has to lock pmlmepriv->lock |
| */ |
| void rtw_indicate_connect23a(struct rtw_adapter *padapter) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("+rtw_indicate_connect23a\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_cfg80211_indicate_connect(padapter); |
| |
| netif_carrier_on(padapter->pnetdev); |
| |
| if (padapter->pid[2] != 0) |
| kill_pid(find_vpid(padapter->pid[2]), SIGALRM, 1); |
| } |
| |
| rtw_set_roaming(padapter, 0); |
| |
| rtw_set_scan_deny(padapter, 3000); |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("-rtw_indicate_connect23a: fw_state=0x%08x\n", |
| get_fwstate(pmlmepriv))); |
| } |
| |
| /* |
| *rtw_indicate_disconnect23a: the caller has to lock pmlmepriv->lock |
| */ |
| void rtw_indicate_disconnect23a(struct rtw_adapter *padapter) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("+rtw_indicate_disconnect23a\n")); |
| |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING|WIFI_UNDER_WPS); |
| |
| /* DBG_8723A("clear wps when %s\n", __func__); */ |
| |
| if (padapter->mlmepriv.to_roaming > 0) |
| _clr_fwstate_(pmlmepriv, _FW_LINKED); |
| |
| if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) || |
| padapter->mlmepriv.to_roaming <= 0) { |
| rtw_os_indicate_disconnect23a(padapter); |
| |
| /* set ips_deny_time to avoid enter IPS before LPS leave */ |
| padapter->pwrctrlpriv.ips_deny_time = |
| jiffies + msecs_to_jiffies(3000); |
| |
| _clr_fwstate_(pmlmepriv, _FW_LINKED); |
| |
| rtw_led_control(padapter, LED_CTL_NO_LINK); |
| |
| rtw_clear_scan_deny(padapter); |
| |
| } |
| |
| rtw_lps_ctrl_wk_cmd23a(padapter, LPS_CTRL_DISCONNECT, 1); |
| } |
| |
| void rtw_scan_abort23a(struct rtw_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(jiffies - start) <= 200) { |
| if (adapter->bDriverStopped || adapter->bSurpriseRemoved) |
| break; |
| |
| DBG_8723A("%s(%s): fw_state = _FW_UNDER_SURVEY!\n", |
| __func__, adapter->pnetdev->name); |
| msleep(20); |
| } |
| |
| if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) { |
| if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved) |
| DBG_8723A("%s(%s): waiting for scan_abort time out!\n", |
| __func__, adapter->pnetdev->name); |
| rtw_cfg80211_indicate_scan_done(wdev_to_priv(adapter->rtw_wdev), |
| true); |
| } |
| pmlmeext->scan_abort = false; |
| } |
| |
| static struct sta_info * |
| rtw_joinbss_update_stainfo(struct rtw_adapter *padapter, |
| struct wlan_network *pnetwork) |
| { |
| int i; |
| struct sta_info *bmc_sta, *psta; |
| struct recv_reorder_ctrl *preorder_ctrl; |
| struct sta_priv *pstapriv = &padapter->stapriv; |
| |
| psta = rtw_get_stainfo23a(pstapriv, pnetwork->network.MacAddress); |
| if (!psta) |
| psta = rtw_alloc_stainfo23a(pstapriv, |
| pnetwork->network.MacAddress, |
| GFP_ATOMIC); |
| |
| if (psta) { /* update ptarget_sta */ |
| DBG_8723A("%s\n", __func__); |
| |
| psta->aid = pnetwork->join_res; |
| psta->mac_id = 0; |
| |
| /* sta mode */ |
| rtl8723a_SetHalODMVar(padapter, HAL_ODM_STA_INFO, psta, true); |
| |
| /* security related */ |
| if (padapter->securitypriv.dot11AuthAlgrthm == |
| dot11AuthAlgrthm_8021X) { |
| padapter->securitypriv.binstallGrpkey = 0; |
| padapter->securitypriv.busetkipkey = 0; |
| |
| psta->ieee8021x_blocked = true; |
| psta->dot118021XPrivacy = |
| padapter->securitypriv.dot11PrivacyAlgrthm; |
| |
| memset(&psta->dot118021x_UncstKey, 0, |
| sizeof (union Keytype)); |
| |
| memset(&psta->dot11tkiprxmickey, 0, |
| sizeof (union Keytype)); |
| memset(&psta->dot11tkiptxmickey, 0, |
| sizeof (union Keytype)); |
| |
| memset(&psta->dot11txpn, 0, sizeof (union pn48)); |
| memset(&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; |
| preorder_ctrl->wend_b = 0xffff; |
| /* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */ |
| preorder_ctrl->wsize_b = 64; |
| } |
| |
| bmc_sta = rtw_get_bcmc_stainfo23a(padapter); |
| if (bmc_sta) { |
| for (i = 0; i < 16 ; i++) { |
| preorder_ctrl = &bmc_sta->recvreorder_ctrl[i]; |
| preorder_ctrl->enable = false; |
| preorder_ctrl->indicate_seq = 0xffff; |
| preorder_ctrl->wend_b = 0xffff; |
| /* max_ampdu_sz; ex. 32(kbytes) -> |
| wsize_b = 32 */ |
| preorder_ctrl->wsize_b = 64; |
| } |
| } |
| |
| /* misc. */ |
| update_sta_info23a(padapter, psta); |
| |
| } |
| |
| return psta; |
| } |
| |
| /* pnetwork : returns from rtw23a_joinbss_event_cb */ |
| /* ptarget_wlan: found from scanned_queue */ |
| static void |
| rtw_joinbss_update_network23a(struct rtw_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_8723A("%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->network.capability = ptarget_wlan->network.capability; |
| cur_network->network.beacon_interval = |
| ptarget_wlan->network.beacon_interval; |
| cur_network->network.tsf = ptarget_wlan->network.tsf; |
| |
| rtw_set_signal_stat_timer(&padapter->recvpriv); |
| padapter->recvpriv.signal_strength = |
| ptarget_wlan->network.SignalStrength; |
| padapter->recvpriv.signal_qual = ptarget_wlan->network.SignalQuality; |
| /* |
| * the ptarget_wlan->network.Rssi is raw data, we use |
| * ptarget_wlan->network.SignalStrength instead (has scaled) |
| */ |
| padapter->recvpriv.rssi = translate_percentage_to_dbm( |
| ptarget_wlan->network.SignalStrength); |
| DBG_8723A("%s signal_strength:%3u, rssi:%3d, signal_qual:%3u\n", |
| __func__, padapter->recvpriv.signal_strength, |
| padapter->recvpriv.rssi, padapter->recvpriv.signal_qual); |
| rtw_set_signal_stat_timer(&padapter->recvpriv); |
| |
| /* update fw_state will clr _FW_UNDER_LINKING here indirectly */ |
| switch (pnetwork->network.ifmode) { |
| case NL80211_IFTYPE_P2P_CLIENT: |
| case NL80211_IFTYPE_STATION: |
| 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 NL80211_IFTYPE_ADHOC: |
| 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_protection23a(padapter, cur_network->network.IEs, |
| cur_network->network.IELength); |
| |
| rtw_update_ht_cap23a(padapter, cur_network->network.IEs, |
| cur_network->network.IELength); |
| } |
| |
| /* |
| * Notes: |
| * the function could be > passive_level (the same context as Rx tasklet) |
| * pnetwork : returns from rtw23a_joinbss_event_cb |
| * 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_prehandle23a(struct rtw_adapter *adapter, u8 *pbuf) |
| { |
| struct sta_info *ptarget_sta, *pcur_sta; |
| 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, *ptarget_wlan = NULL; |
| bool the_same_macaddr; |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("joinbss event call back received with res=%d\n", |
| pnetwork->join_res)); |
| |
| if (pmlmepriv->assoc_ssid.ssid_len == 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_, |
| ("@@@@@ rtw23a_joinbss_event_cb for SSid:%s\n", |
| pmlmepriv->assoc_ssid.ssid)); |
| } |
| |
| if (ether_addr_equal(pnetwork->network.MacAddress, |
| cur_network->network.MacAddress)) |
| the_same_macaddr = true; |
| else |
| the_same_macaddr = false; |
| |
| 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); |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("\n rtw23a_joinbss_event_cb !! _enter_critical\n")); |
| |
| if (pnetwork->join_res > 0) { |
| spin_lock_bh(&pmlmepriv->scanned_queue.lock); |
| if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) { |
| /* s1. find ptarget_wlan */ |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) { |
| if (the_same_macaddr) { |
| ptarget_wlan = rtw_find_network23a(&pmlmepriv->scanned_queue, cur_network->network.MacAddress); |
| } else { |
| pcur_wlan = rtw_find_network23a(&pmlmepriv->scanned_queue, cur_network->network.MacAddress); |
| if (pcur_wlan) |
| pcur_wlan->fixed = false; |
| |
| pcur_sta = rtw_get_stainfo23a(pstapriv, cur_network->network.MacAddress); |
| if (pcur_sta) { |
| spin_lock_bh(&pstapriv->sta_hash_lock); |
| rtw_free_stainfo23a(adapter, |
| pcur_sta); |
| spin_unlock_bh(&pstapriv->sta_hash_lock); |
| } |
| |
| ptarget_wlan = rtw_find_network23a(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress); |
| if (check_fwstate(pmlmepriv, |
| WIFI_STATION_STATE)) { |
| if (ptarget_wlan) |
| ptarget_wlan->fixed = |
| true; |
| } |
| } |
| |
| } else { |
| ptarget_wlan = rtw_find_network23a( |
| &pmlmepriv->scanned_queue, |
| pnetwork->network.MacAddress); |
| if (check_fwstate(pmlmepriv, |
| WIFI_STATION_STATE)) { |
| if (ptarget_wlan) |
| ptarget_wlan->fixed = true; |
| } |
| } |
| |
| /* s2. update cur_network */ |
| if (ptarget_wlan) |
| rtw_joinbss_update_network23a(adapter, |
| ptarget_wlan, |
| pnetwork); |
| else { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("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)) { |
| ptarget_sta = rtw_joinbss_update_stainfo( |
| adapter, pnetwork); |
| if (!ptarget_sta) { |
| 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)) |
| rtw_indicate_connect23a(adapter); |
| else { |
| /* adhoc mode will rtw_indicate_connect23a |
| when rtw_stassoc_event_callback23a */ |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("adhoc mode, fw_state:%x", |
| get_fwstate(pmlmepriv))); |
| } |
| |
| /* s5. Cancle assoc_timer */ |
| del_timer_sync(&pmlmepriv->assoc_timer); |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("Cancle assoc_timer\n")); |
| } else { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("rtw23a_joinbss_event_cb 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_securitypriv23a(adapter); |
| mod_timer(&pmlmepriv->assoc_timer, |
| jiffies + msecs_to_jiffies(1)); |
| |
| /* rtw_free_assoc_resources23a(adapter, 1); */ |
| |
| if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) { |
| 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 */ |
| mod_timer(&pmlmepriv->assoc_timer, |
| jiffies + msecs_to_jiffies(1)); |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); |
| } |
| |
| ignore_joinbss_callback: |
| |
| spin_unlock_bh(&pmlmepriv->lock); |
| } |
| |
| void rtw23a_joinbss_event_cb(struct rtw_adapter *adapter, const u8 *pbuf) |
| { |
| struct wlan_network *pnetwork = (struct wlan_network *)pbuf; |
| |
| mlmeext_joinbss_event_callback23a(adapter, pnetwork->join_res); |
| |
| rtw_os_xmit_schedule23a(adapter); |
| } |
| |
| void rtw_stassoc_event_callback23a(struct rtw_adapter *adapter, const 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; |
| |
| if (rtw_access_ctrl23a(adapter, pstassoc->macaddr) == false) |
| return; |
| |
| #ifdef CONFIG_8723AU_AP_MODE |
| if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { |
| psta = rtw_get_stainfo23a(&adapter->stapriv, pstassoc->macaddr); |
| if (psta) { |
| /* bss_cap_update_on_sta_join23a(adapter, psta); */ |
| /* sta_info_update23a(adapter, psta); */ |
| ap_sta_info_defer_update23a(adapter, psta); |
| } |
| return; |
| } |
| #endif |
| /* for AD-HOC mode */ |
| psta = rtw_get_stainfo23a(&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_callback23a: sta has " |
| "been in sta_hash_queue\n")); |
| /* between drv has received this event before and |
| fw have not yet to set key to CAM_ENTRY) */ |
| return; |
| } |
| |
| psta = rtw_alloc_stainfo23a(&adapter->stapriv, pstassoc->macaddr, |
| GFP_KERNEL); |
| if (!psta) { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("Can't alloc sta_info when " |
| "rtw_stassoc_event_callback23a\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_8723A("%s\n", __func__); |
| /* for ad-hoc mode */ |
| rtl8723a_SetHalODMVar(adapter, HAL_ODM_STA_INFO, psta, true); |
| |
| 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) || |
| check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| if (adapter->stapriv.asoc_sta_count == 2) { |
| spin_lock_bh(&pmlmepriv->scanned_queue.lock); |
| ptarget_wlan = |
| rtw_find_network23a(&pmlmepriv->scanned_queue, |
| cur_network->network.MacAddress); |
| if (ptarget_wlan) |
| ptarget_wlan->fixed = true; |
| spin_unlock_bh(&pmlmepriv->scanned_queue.lock); |
| /* a sta + bc/mc_stainfo (not Ibss_stainfo) */ |
| rtw_indicate_connect23a(adapter); |
| } |
| } |
| |
| spin_unlock_bh(&pmlmepriv->lock); |
| |
| mlmeext_sta_add_event_callback23a(adapter, psta); |
| } |
| |
| void rtw_stadel_event_callback23a(struct rtw_adapter *adapter, const u8 *pbuf) |
| { |
| int mac_id; |
| struct sta_info *psta; |
| struct wlan_network *pwlan; |
| struct wlan_bssid_ex *pdev_network; |
| 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; |
| |
| psta = rtw_get_stainfo23a(&adapter->stapriv, pstadel->macaddr); |
| if (psta) |
| mac_id = psta->mac_id; |
| else |
| mac_id = pstadel->mac_id; |
| |
| DBG_8723A("%s(mac_id=%d)=" MAC_FMT "\n", __func__, mac_id, |
| MAC_ARG(pstadel->macaddr)); |
| |
| if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) |
| return; |
| |
| mlmeext_sta_del_event_callback23a(adapter); |
| |
| spin_lock_bh(&pmlmepriv->lock); |
| |
| if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { |
| if (adapter->mlmepriv.to_roaming > 0) { |
| /* this stadel_event is caused by roaming, |
| decrease to_roaming */ |
| pmlmepriv->to_roaming--; |
| } else if (adapter->mlmepriv.to_roaming == 0) |
| rtw_set_roaming(adapter, adapter->registrypriv.max_roaming_times); |
| if (*((u16 *)pstadel->rsvd) != WLAN_REASON_EXPIRATION_CHK) |
| rtw_set_roaming(adapter, 0); /* don't roam */ |
| |
| rtw_free_uc_swdec_pending_queue23a(adapter); |
| |
| rtw_free_assoc_resources23a(adapter, 1); |
| rtw_indicate_disconnect23a(adapter); |
| spin_lock_bh(&pmlmepriv->scanned_queue.lock); |
| /* remove the network entry in scanned_queue */ |
| pwlan = rtw_find_network23a(&pmlmepriv->scanned_queue, |
| tgt_network->network.MacAddress); |
| if (pwlan) { |
| pwlan->fixed = false; |
| rtw_free_network_nolock(pmlmepriv, pwlan); |
| } |
| spin_unlock_bh(&pmlmepriv->scanned_queue.lock); |
| |
| _rtw_roaming(adapter, tgt_network); |
| } |
| |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) || |
| check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| |
| spin_lock_bh(&pstapriv->sta_hash_lock); |
| rtw_free_stainfo23a(adapter, psta); |
| spin_unlock_bh(&pstapriv->sta_hash_lock); |
| |
| /* a sta + bc/mc_stainfo (not Ibss_stainfo) */ |
| if (adapter->stapriv.asoc_sta_count == 1) { |
| spin_lock_bh(&pmlmepriv->scanned_queue.lock); |
| /* free old ibss network */ |
| /* pwlan = rtw_find_network23a( |
| &pmlmepriv->scanned_queue, pstadel->macaddr); */ |
| pwlan = rtw_find_network23a(&pmlmepriv->scanned_queue, |
| tgt_network->network.MacAddress); |
| if (pwlan) { |
| pwlan->fixed = false; |
| rtw_free_network_nolock(pmlmepriv, pwlan); |
| } |
| spin_unlock_bh(&pmlmepriv->scanned_queue.lock); |
| /* re-create ibss */ |
| pdev_network = &adapter->registrypriv.dev_network; |
| |
| memcpy(pdev_network, &tgt_network->network, |
| get_wlan_bssid_ex_sz(&tgt_network->network)); |
| |
| rtw_do_join_adhoc(adapter); |
| } |
| } |
| |
| spin_unlock_bh(&pmlmepriv->lock); |
| } |
| |
| /* |
| * rtw23a_join_to_handler - Timeout/failure handler for CMD JoinBss |
| * @adapter: pointer to _adapter structure |
| */ |
| void rtw23a_join_to_handler (unsigned long data) |
| { |
| struct rtw_adapter *adapter = (struct rtw_adapter *)data; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| int do_join_r; |
| |
| DBG_8723A("%s, fw_state=%x\n", __func__, get_fwstate(pmlmepriv)); |
| |
| if (adapter->bDriverStopped || adapter->bSurpriseRemoved) |
| return; |
| |
| spin_lock_bh(&pmlmepriv->lock); |
| |
| if (adapter->mlmepriv.to_roaming > 0) { |
| /* join timeout caused by roaming */ |
| while (1) { |
| pmlmepriv->to_roaming--; |
| if (adapter->mlmepriv.to_roaming != 0) { |
| /* try another */ |
| DBG_8723A("%s try another roaming\n", __func__); |
| do_join_r = rtw_do_join(adapter); |
| if (do_join_r != _SUCCESS) { |
| DBG_8723A("%s roaming do_join return " |
| "%d\n", __func__ , do_join_r); |
| continue; |
| } |
| break; |
| } else { |
| DBG_8723A("%s We've try roaming but fail\n", |
| __func__); |
| rtw_indicate_disconnect23a(adapter); |
| break; |
| } |
| } |
| } else { |
| rtw_indicate_disconnect23a(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_handler23a - Timeout/Failure handler for CMD SiteSurvey |
| * @data: pointer to _adapter structure |
| */ |
| void rtw_scan_timeout_handler23a(unsigned long data) |
| { |
| struct rtw_adapter *adapter = (struct rtw_adapter *)data; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| |
| DBG_8723A("%s(%s): fw_state =%x\n", __func__, adapter->pnetdev->name, |
| get_fwstate(pmlmepriv)); |
| |
| spin_lock_bh(&pmlmepriv->lock); |
| |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); |
| |
| spin_unlock_bh(&pmlmepriv->lock); |
| |
| rtw_cfg80211_indicate_scan_done(wdev_to_priv(adapter->rtw_wdev), true); |
| } |
| |
| void rtw_dynamic_check_timer_handler(unsigned long data) |
| { |
| struct rtw_adapter *adapter = (struct rtw_adapter *)data; |
| |
| if (adapter->hw_init_completed == false) |
| goto out; |
| |
| if (adapter->bDriverStopped == true || |
| adapter->bSurpriseRemoved == true) |
| goto out; |
| |
| if (adapter->net_closed == true) |
| goto out; |
| |
| rtw_dynamic_chk_wk_cmd23a(adapter); |
| |
| out: |
| mod_timer(&adapter->mlmepriv.dynamic_chk_timer, |
| jiffies + msecs_to_jiffies(2000)); |
| } |
| |
| inline bool rtw_is_scan_deny(struct rtw_adapter *adapter) |
| { |
| struct mlme_priv *mlmepriv = &adapter->mlmepriv; |
| |
| return (atomic_read(&mlmepriv->set_scan_deny) != 0) ? true : false; |
| } |
| |
| void rtw_clear_scan_deny(struct rtw_adapter *adapter) |
| { |
| struct mlme_priv *mlmepriv = &adapter->mlmepriv; |
| |
| atomic_set(&mlmepriv->set_scan_deny, 0); |
| } |
| |
| void rtw_set_scan_deny_timer_hdl(unsigned long data) |
| { |
| struct rtw_adapter *adapter = (struct rtw_adapter *)data; |
| |
| rtw_clear_scan_deny(adapter); |
| } |
| |
| void rtw_set_scan_deny(struct rtw_adapter *adapter, u32 ms) |
| { |
| struct mlme_priv *mlmepriv = &adapter->mlmepriv; |
| |
| atomic_set(&mlmepriv->set_scan_deny, 1); |
| mod_timer(&mlmepriv->set_scan_deny_timer, |
| jiffies + msecs_to_jiffies(ms)); |
| } |
| |
| #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; |
| struct rtw_adapter *adapter; |
| |
| adapter = container_of(pmlmepriv, struct rtw_adapter, mlmepriv); |
| |
| /* check bssid, if needed */ |
| if (pmlmepriv->assoc_by_bssid == true) { |
| if (!ether_addr_equal(competitor->network.MacAddress, |
| pmlmepriv->assoc_bssid)) |
| goto exit; |
| } |
| |
| /* check ssid, if needed */ |
| if (pmlmepriv->assoc_ssid.ssid_len) { |
| if (competitor->network.Ssid.ssid_len != |
| pmlmepriv->assoc_ssid.ssid_len || |
| memcmp(competitor->network.Ssid.ssid, |
| pmlmepriv->assoc_ssid.ssid, |
| pmlmepriv->assoc_ssid.ssid_len)) |
| goto exit; |
| } |
| |
| if (rtw_is_desired_network(adapter, competitor) == false) |
| goto exit; |
| |
| if (adapter->mlmepriv.to_roaming > 0) { |
| unsigned int passed; |
| |
| passed = jiffies_to_msecs(jiffies - competitor->last_scanned); |
| if (passed >= RTW_SCAN_RESULT_EXPIRE || |
| is_same_ess(&competitor->network, |
| &pmlmepriv->cur_network.network) == false) |
| goto exit; |
| } |
| |
| if (!*candidate || |
| (*candidate)->network.Rssi<competitor->network.Rssi) { |
| *candidate = competitor; |
| updated = true; |
| } |
| |
| if (updated) { |
| DBG_8723A("[by_bssid:%u][assoc_ssid:%s][to_roaming:%u] " |
| "new candidate: %s("MAC_FMT") rssi:%d\n", |
| pmlmepriv->assoc_by_bssid, |
| pmlmepriv->assoc_ssid.ssid, |
| adapter->mlmepriv.to_roaming, |
| (*candidate)->network.Ssid.ssid, |
| MAC_ARG((*candidate)->network.MacAddress), |
| (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 |
| |
| */ |
| |
| static int rtw_do_join(struct rtw_adapter *padapter) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| int ret; |
| |
| pmlmepriv->cur_network.join_res = -2; |
| |
| set_fwstate(pmlmepriv, _FW_UNDER_LINKING); |
| |
| pmlmepriv->to_join = true; |
| |
| ret = rtw_select_and_join_from_scanned_queue23a(pmlmepriv); |
| if (ret == _SUCCESS) { |
| pmlmepriv->to_join = false; |
| } else { |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| /* switch to ADHOC_MASTER */ |
| ret = rtw_do_join_adhoc(padapter); |
| if (ret != _SUCCESS) |
| goto exit; |
| } else { |
| /* can't associate ; reset under-linking */ |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); |
| |
| ret = _FAIL; |
| pmlmepriv->to_join = false; |
| } |
| } |
| |
| exit: |
| return ret; |
| } |
| |
| static struct wlan_network * |
| rtw_select_candidate_from_queue(struct mlme_priv *pmlmepriv) |
| { |
| struct wlan_network *pnetwork, *candidate = NULL; |
| struct rtw_queue *queue = &pmlmepriv->scanned_queue; |
| struct list_head *phead, *plist, *ptmp; |
| |
| spin_lock_bh(&pmlmepriv->scanned_queue.lock); |
| phead = get_list_head(queue); |
| |
| list_for_each_safe(plist, ptmp, phead) { |
| pnetwork = container_of(plist, struct wlan_network, list); |
| if (!pnetwork) { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("%s: return _FAIL:(pnetwork == NULL)\n", |
| __func__)); |
| goto exit; |
| } |
| |
| rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork); |
| } |
| |
| exit: |
| spin_unlock_bh(&pmlmepriv->scanned_queue.lock); |
| return candidate; |
| } |
| |
| |
| int rtw_do_join_adhoc(struct rtw_adapter *adapter) |
| { |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct wlan_bssid_ex *pdev_network; |
| u8 *ibss; |
| int ret; |
| |
| pdev_network = &adapter->registrypriv.dev_network; |
| ibss = adapter->registrypriv.dev_network.MacAddress; |
| |
| _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 cfg80211_ssid)); |
| |
| rtw_update_registrypriv_dev_network23a(adapter); |
| rtw_generate_random_ibss23a(ibss); |
| |
| pmlmepriv->fw_state = WIFI_ADHOC_MASTER_STATE; |
| |
| ret = rtw_createbss_cmd23a(adapter); |
| if (ret != _SUCCESS) { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("Error =>rtw_createbss_cmd23a status FAIL\n")); |
| } else { |
| pmlmepriv->to_join = false; |
| } |
| |
| return ret; |
| } |
| |
| int rtw_do_join_network(struct rtw_adapter *adapter, |
| struct wlan_network *candidate) |
| { |
| int ret; |
| |
| /* check for situation of _FW_LINKED */ |
| if (check_fwstate(&adapter->mlmepriv, _FW_LINKED)) { |
| DBG_8723A("%s: _FW_LINKED while ask_for_joinbss!\n", __func__); |
| |
| rtw_disassoc_cmd23a(adapter, 0, true); |
| rtw_indicate_disconnect23a(adapter); |
| rtw_free_assoc_resources23a(adapter, 0); |
| } |
| set_fwstate(&adapter->mlmepriv, _FW_UNDER_LINKING); |
| |
| ret = rtw_joinbss_cmd23a(adapter, candidate); |
| |
| if (ret == _SUCCESS) |
| mod_timer(&adapter->mlmepriv.assoc_timer, |
| jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT)); |
| |
| return ret; |
| } |
| |
| int rtw_select_and_join_from_scanned_queue23a(struct mlme_priv *pmlmepriv) |
| { |
| struct rtw_adapter *adapter; |
| struct wlan_network *candidate = NULL; |
| int ret; |
| |
| adapter = pmlmepriv->nic_hdl; |
| |
| candidate = rtw_select_candidate_from_queue(pmlmepriv); |
| if (!candidate) { |
| DBG_8723A("%s: return _FAIL(candidate == NULL)\n", __func__); |
| ret = _FAIL; |
| goto exit; |
| } else { |
| DBG_8723A("%s: candidate: %s("MAC_FMT", ch:%u)\n", __func__, |
| candidate->network.Ssid.ssid, |
| MAC_ARG(candidate->network.MacAddress), |
| candidate->network.DSConfig); |
| } |
| |
| ret = rtw_do_join_network(adapter, candidate); |
| |
| exit: |
| return ret; |
| } |
| |
| int rtw_set_auth23a(struct rtw_adapter *adapter, |
| struct security_priv *psecuritypriv) |
| { |
| struct cmd_obj *pcmd; |
| struct setauth_parm *psetauthparm; |
| struct cmd_priv *pcmdpriv = &adapter->cmdpriv; |
| int res = _SUCCESS; |
| |
| pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); |
| if (!pcmd) { |
| res = _FAIL; /* try again */ |
| goto exit; |
| } |
| |
| psetauthparm = kzalloc(sizeof(struct setauth_parm), GFP_KERNEL); |
| if (!psetauthparm) { |
| kfree(pcmd); |
| res = _FAIL; |
| goto exit; |
| } |
| |
| 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; |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("after enqueue set_auth_cmd, auth_mode=%x\n", |
| psecuritypriv->dot11AuthAlgrthm)); |
| |
| res = rtw_enqueue_cmd23a(pcmdpriv, pcmd); |
| |
| exit: |
| |
| return res; |
| } |
| |
| int rtw_set_key23a(struct rtw_adapter *adapter, |
| struct security_priv *psecuritypriv, int keyid, u8 set_tx) |
| { |
| u8 keylen; |
| struct cmd_obj *pcmd; |
| struct setkey_parm *psetkeyparm; |
| struct cmd_priv *pcmdpriv = &adapter->cmdpriv; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| int res = _SUCCESS; |
| |
| if (keyid >= 4) { |
| res = _FAIL; |
| goto exit; |
| } |
| |
| pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); |
| if (!pcmd) { |
| res = _FAIL; /* try again */ |
| goto exit; |
| } |
| psetkeyparm = kzalloc(sizeof(struct setkey_parm), GFP_KERNEL); |
| if (!psetkeyparm) { |
| kfree(pcmd); |
| res = _FAIL; |
| goto exit; |
| } |
| |
| if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { |
| psetkeyparm->algorithm = (unsigned char) |
| psecuritypriv->dot118021XGrpPrivacy; |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("\n rtw_set_key23a: 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_key23a: psetkeyparm->algorithm = (u8)" |
| "psecuritypriv->dot11PrivacyAlgrthm =%d\n", |
| psetkeyparm->algorithm)); |
| } |
| psetkeyparm->keyid = keyid;/* 0~3 */ |
| psetkeyparm->set_tx = set_tx; |
| if (is_wep_enc(psetkeyparm->algorithm)) |
| pmlmepriv->key_mask |= BIT(psetkeyparm->keyid); |
| |
| DBG_8723A("==> rtw_set_key23a 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_key23a: psetkeyparm->algorithm =%d psetkeyparm->" |
| "keyid = (u8)keyid =%d\n", psetkeyparm->algorithm, keyid)); |
| |
| switch (psetkeyparm->algorithm) { |
| case WLAN_CIPHER_SUITE_WEP40: |
| keylen = 5; |
| memcpy(&psetkeyparm->key[0], |
| &psecuritypriv->wep_key[keyid].key, keylen); |
| break; |
| case WLAN_CIPHER_SUITE_WEP104: |
| keylen = 13; |
| memcpy(&psetkeyparm->key[0], |
| &psecuritypriv->wep_key[keyid].key, keylen); |
| break; |
| case WLAN_CIPHER_SUITE_TKIP: |
| keylen = 16; |
| memcpy(&psetkeyparm->key, |
| &psecuritypriv->dot118021XGrpKey[keyid], keylen); |
| psetkeyparm->grpkey = 1; |
| break; |
| case WLAN_CIPHER_SUITE_CCMP: |
| 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_key23a:psecuritypriv->dot11PrivacyAlgrthm" |
| " = %x (must be 1 or 2 or 4 or 5)\n", |
| psecuritypriv->dot11PrivacyAlgrthm)); |
| res = _FAIL; |
| kfree(pcmd); |
| kfree(psetkeyparm); |
| goto exit; |
| } |
| |
| pcmd->cmdcode = _SetKey_CMD_; |
| pcmd->parmbuf = (u8 *)psetkeyparm; |
| pcmd->cmdsz = (sizeof(struct setkey_parm)); |
| pcmd->rsp = NULL; |
| pcmd->rspsz = 0; |
| |
| /* sema_init(&pcmd->cmd_sem, 0); */ |
| |
| res = rtw_enqueue_cmd23a(pcmdpriv, pcmd); |
| |
| exit: |
| |
| return res; |
| } |
| |
| /* adjust IEs for rtw_joinbss_cmd23a in WMM */ |
| int rtw_restruct_wmm_ie23a(struct rtw_adapter *adapter, u8 *in_ie, |
| u8 *out_ie, uint in_len, uint initial_out_len) |
| { |
| int ielength; |
| const u8 *p; |
| |
| ielength = initial_out_len; |
| |
| p = cfg80211_find_vendor_ie(WLAN_OUI_MICROSOFT, |
| WLAN_OUI_TYPE_MICROSOFT_WMM, |
| in_ie, in_len); |
| |
| if (p && p[1]) { |
| memcpy(out_ie + initial_out_len, p, 9); |
| |
| out_ie[initial_out_len + 1] = 7; |
| out_ie[initial_out_len + 6] = 0; |
| out_ie[initial_out_len + 8] = 0; |
| |
| ielength += 9; |
| } |
| |
| 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 rtw_adapter *Adapter, u8 *bssid) |
| { |
| struct security_priv *psecuritypriv = &Adapter->securitypriv; |
| int i = 0; |
| |
| do { |
| if (psecuritypriv->PMKIDList[i].bUsed && |
| ether_addr_equal(psecuritypriv->PMKIDList[i].Bssid, bssid)) { |
| 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 rtw_adapter *Adapter, int iEntry, |
| u8 *ie, uint ie_len) |
| { |
| struct security_priv *psecuritypriv = &Adapter->securitypriv; |
| |
| if (ie[1] <= 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[1] += 18;/* PMKID length = 2+16 */ |
| } |
| return ie_len; |
| } |
| |
| int rtw_restruct_sec_ie23a(struct rtw_adapter *adapter, u8 *in_ie, u8 *out_ie, |
| uint in_len) |
| { |
| u8 authmode; |
| uint ielength; |
| int iEntry; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct security_priv *psecuritypriv = &adapter->securitypriv; |
| uint ndisauthmode = psecuritypriv->ndisauthtype; |
| uint ndissecuritytype = psecuritypriv->ndisencryptstatus; |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, |
| ("+rtw_restruct_sec_ie23a: ndisauthmode=%d " |
| "ndissecuritytype=%d\n", ndisauthmode, ndissecuritytype)); |
| |
| ielength = 0; |
| if (ndisauthmode == Ndis802_11AuthModeWPA || |
| ndisauthmode == Ndis802_11AuthModeWPAPSK) |
| authmode = WLAN_EID_VENDOR_SPECIFIC; |
| if (ndisauthmode == Ndis802_11AuthModeWPA2 || |
| ndisauthmode == Ndis802_11AuthModeWPA2PSK) |
| authmode = WLAN_EID_RSN; |
| |
| 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 == WLAN_EID_VENDOR_SPECIFIC || |
| authmode == WLAN_EID_RSN) { |
| /* copy RSN or SSN */ |
| memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], |
| psecuritypriv->supplicant_ie[1] + 2); |
| ielength += psecuritypriv->supplicant_ie[1] + 2; |
| } |
| |
| iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid); |
| if (iEntry < 0) |
| return ielength; |
| else { |
| if (authmode == WLAN_EID_RSN) |
| ielength = rtw_append_pmkid(adapter, iEntry, |
| out_ie, ielength); |
| } |
| |
| return ielength; |
| } |
| |
| void rtw_init_registrypriv_dev_network23a(struct rtw_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); |
| |
| ether_addr_copy(pdev_network->MacAddress, myhwaddr); |
| |
| memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, |
| sizeof(struct cfg80211_ssid)); |
| |
| pdev_network->beacon_interval = 100; |
| } |
| |
| void rtw_update_registrypriv_dev_network23a(struct rtw_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); |
| |
| pdev_network->Rssi = 0; |
| |
| pdev_network->DSConfig = pregistrypriv->channel; |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("pregistrypriv->channel =%d, pdev_network->DSConfig = 0x%x\n", |
| pregistrypriv->channel, pdev_network->DSConfig)); |
| |
| if (cur_network->network.ifmode == NL80211_IFTYPE_ADHOC) |
| pdev_network->ATIMWindow = 0; |
| |
| pdev_network->ifmode = cur_network->network.ifmode; |
| |
| /* 1. Supported rates */ |
| /* 2. IE */ |
| |
| sz = rtw_generate_ie23a(pregistrypriv); |
| |
| pdev_network->IELength = sz; |
| |
| pdev_network->Length = |
| get_wlan_bssid_ex_sz(pdev_network); |
| |
| /* notes: translate IELength & Length after assign the |
| Length to cmdsz in createbss_cmd(); */ |
| /* pdev_network->IELength = cpu_to_le32(sz); */ |
| } |
| |
| /* the function is at passive_level */ |
| void rtw_joinbss_reset23a(struct rtw_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; |
| } else |
| threshold = 1; |
| |
| rtl8723a_set_rxdma_agg_pg_th(padapter, threshold); |
| } |
| |
| /* the function is >= passive_level */ |
| bool rtw_restructure_ht_ie23a(struct rtw_adapter *padapter, u8 *in_ie, |
| u8 *out_ie, uint in_len, uint *pout_len) |
| { |
| u32 out_len; |
| int max_rx_ampdu_factor; |
| unsigned char *pframe; |
| const u8 *p; |
| struct ieee80211_ht_cap ht_capie; |
| u8 WMM_IE[7] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct ht_priv *phtpriv = &pmlmepriv->htpriv; |
| |
| phtpriv->ht_option = false; |
| |
| p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, in_ie, in_len); |
| |
| if (p && p[1] > 0) { |
| u32 rx_packet_offset, max_recvbuf_sz; |
| |
| if (pmlmepriv->qos_option == 0) { |
| out_len = *pout_len; |
| pframe = rtw_set_ie23a(out_ie + out_len, |
| WLAN_EID_VENDOR_SPECIFIC, |
| sizeof(WMM_IE), WMM_IE, |
| pout_len); |
| |
| pmlmepriv->qos_option = 1; |
| } |
| |
| out_len = *pout_len; |
| |
| memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap)); |
| |
| ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | |
| IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | |
| IEEE80211_HT_CAP_TX_STBC | IEEE80211_HT_CAP_DSSSCCK40; |
| |
| GetHalDefVar8192CUsb(padapter, HAL_DEF_RX_PACKET_OFFSET, |
| &rx_packet_offset); |
| GetHalDefVar8192CUsb(padapter, HAL_DEF_MAX_RECVBUF_SZ, |
| &max_recvbuf_sz); |
| |
| GetHalDefVar8192CUsb(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 == |
| WLAN_CIPHER_SUITE_CCMP) |
| ht_capie.ampdu_params_info |= |
| (IEEE80211_HT_AMPDU_PARM_DENSITY& (0x07 << 2)); |
| else |
| ht_capie.ampdu_params_info |= |
| (IEEE80211_HT_AMPDU_PARM_DENSITY & 0x00); |
| |
| pframe = rtw_set_ie23a(out_ie + out_len, WLAN_EID_HT_CAPABILITY, |
| sizeof(struct ieee80211_ht_cap), |
| (unsigned char *)&ht_capie, pout_len); |
| |
| phtpriv->ht_option = true; |
| |
| p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, in_ie, in_len); |
| if (p && (p[1] == sizeof(struct ieee80211_ht_operation))) { |
| out_len = *pout_len; |
| pframe = rtw_set_ie23a(out_ie + out_len, |
| WLAN_EID_HT_OPERATION, |
| p[1], p + 2 , pout_len); |
| } |
| } |
| |
| return phtpriv->ht_option; |
| } |
| |
| /* the function is > passive_level (in critical_section) */ |
| void rtw_update_ht_cap23a(struct rtw_adapter *padapter, u8 *pie, uint ie_len) |
| { |
| u8 max_ampdu_sz; |
| const u8 *p; |
| struct ieee80211_ht_cap *pht_capie; |
| struct ieee80211_ht_operation *pht_addtinfo; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct ht_priv *phtpriv = &pmlmepriv->htpriv; |
| struct registry_priv *pregistrypriv = &padapter->registrypriv; |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| |
| if (!phtpriv->ht_option) |
| return; |
| |
| if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable)) |
| return; |
| |
| DBG_8723A("+rtw_update_ht_cap23a()\n"); |
| |
| /* maybe needs check if ap supports rx ampdu. */ |
| if (!phtpriv->ampdu_enable && pregistrypriv->ampdu_enable == 1) { |
| if (pregistrypriv->wifi_spec == 1) |
| phtpriv->ampdu_enable = false; |
| else |
| phtpriv->ampdu_enable = true; |
| } else if (pregistrypriv->ampdu_enable == 2) |
| phtpriv->ampdu_enable = true; |
| |
| /* check Max Rx A-MPDU Size */ |
| p = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, pie, ie_len); |
| |
| if (p && p[1] > 0) { |
| pht_capie = (struct ieee80211_ht_cap *)(p + 2); |
| max_ampdu_sz = pht_capie->ampdu_params_info & |
| IEEE80211_HT_AMPDU_PARM_FACTOR; |
| /* max_ampdu_sz (kbytes); */ |
| max_ampdu_sz = 1 << (max_ampdu_sz + 3); |
| |
| phtpriv->rx_ampdu_maxlen = max_ampdu_sz; |
| } |
| |
| p = cfg80211_find_ie(WLAN_EID_HT_OPERATION, pie, ie_len); |
| if (p && p[1] > 0) { |
| pht_addtinfo = (struct ieee80211_ht_operation *)(p + 2); |
| /* todo: */ |
| } |
| |
| /* update cur_bwmode & cur_ch_offset */ |
| if (pregistrypriv->cbw40_enable && |
| pmlmeinfo->ht_cap.cap_info & |
| cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40) && |
| pmlmeinfo->HT_info.ht_param & IEEE80211_HT_PARAM_CHAN_WIDTH_ANY) { |
| int i; |
| u8 rf_type; |
| |
| rf_type = rtl8723a_get_rf_type(padapter); |
| |
| /* update the MCS rates */ |
| for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { |
| if (rf_type == RF_1T1R || rf_type == RF_1T2R) |
| pmlmeinfo->ht_cap.mcs.rx_mask[i] &= |
| MCS_rate_1R23A[i]; |
| else |
| pmlmeinfo->ht_cap.mcs.rx_mask[i] &= |
| MCS_rate_2R23A[i]; |
| } |
| /* switch to the 40M Hz mode according to the AP */ |
| pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40; |
| switch (pmlmeinfo->HT_info.ht_param & |
| IEEE80211_HT_PARAM_CHA_SEC_OFFSET) { |
| case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: |
| pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; |
| break; |
| |
| case IEEE80211_HT_PARAM_CHA_SEC_BELOW: |
| 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_cap.cap_info) & |
| IEEE80211_HT_CAP_SM_PS) >> IEEE80211_HT_CAP_SM_PS_SHIFT; |
| if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC) |
| DBG_8723A("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__); |
| |
| /* */ |
| /* Config current HT Protection mode. */ |
| /* */ |
| pmlmeinfo->HT_protection = |
| le16_to_cpu(pmlmeinfo->HT_info.operation_mode) & |
| IEEE80211_HT_OP_MODE_PROTECTION; |
| } |
| |
| void rtw_issue_addbareq_cmd23a(struct rtw_adapter *padapter, |
| struct xmit_frame *pxmitframe) |
| { |
| u8 issued; |
| int priority; |
| struct sta_info *psta; |
| struct ht_priv *phtpriv; |
| struct pkt_attrib *pattrib = &pxmitframe->attrib; |
| s32 bmcst = is_multicast_ether_addr(pattrib->ra); |
| |
| if (bmcst || padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100) |
| return; |
| |
| priority = pattrib->priority; |
| |
| if (pattrib->psta) |
| psta = pattrib->psta; |
| else { |
| DBG_8723A("%s, call rtw_get_stainfo23a()\n", __func__); |
| psta = rtw_get_stainfo23a(&padapter->stapriv, pattrib->ra); |
| } |
| |
| if (!psta) { |
| DBG_8723A("%s, psta == NUL\n", __func__); |
| return; |
| } |
| |
| if (!(psta->state &_FW_LINKED)) { |
| DBG_8723A("%s, psta->state(0x%x) != _FW_LINKED\n", |
| __func__, psta->state); |
| return; |
| } |
| |
| phtpriv = &psta->htpriv; |
| |
| if (phtpriv->ht_option && phtpriv->ampdu_enable) { |
| issued = (phtpriv->agg_enable_bitmap>>priority)&0x1; |
| issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1; |
| |
| if (issued == 0) { |
| DBG_8723A("rtw_issue_addbareq_cmd23a, p =%d\n", |
| priority); |
| psta->htpriv.candidate_tid_bitmap |= BIT(priority); |
| rtw_addbareq_cmd23a(padapter, (u8) priority, |
| pattrib->ra); |
| } |
| } |
| } |
| |
| int rtw_linked_check(struct rtw_adapter *padapter) |
| { |
| if (check_fwstate(&padapter->mlmepriv, WIFI_AP_STATE) || |
| check_fwstate(&padapter->mlmepriv, |
| WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE)) { |
| if (padapter->stapriv.asoc_sta_count > 2) |
| return true; |
| } else { /* Station mode */ |
| if (check_fwstate(&padapter->mlmepriv, _FW_LINKED)) |
| return true; |
| } |
| return false; |
| } |