| // SPDX-License-Identifier: GPL-2.0 |
| /****************************************************************************** |
| * |
| * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. |
| * |
| ******************************************************************************/ |
| #define _RTW_MLME_C_ |
| |
| #include <linux/ieee80211.h> |
| |
| #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 <wifi.h> |
| #include <wlan_bssdef.h> |
| #include <rtw_ioctl_set.h> |
| #include <linux/vmalloc.h> |
| |
| extern const u8 MCS_rate_1R[16]; |
| |
| int rtw_init_mlme_priv(struct adapter *padapter) |
| { |
| int i; |
| u8 *pbuf; |
| struct wlan_network *pnetwork; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| int res = _SUCCESS; |
| |
| /* We don't need to memset padapter->XXX to zero, because adapter is allocated by vzalloc(). */ |
| |
| pmlmepriv->nic_hdl = (u8 *)padapter; |
| |
| pmlmepriv->pscanned = NULL; |
| pmlmepriv->fw_state = 0; |
| pmlmepriv->cur_network.network.InfrastructureMode = Ndis802_11AutoUnknown; |
| pmlmepriv->scan_mode = SCAN_ACTIVE;/* 1: active, 0: pasive. Maybe someday we should rename this varable to "active_mode" (Jeff) */ |
| |
| spin_lock_init(&pmlmepriv->lock); |
| _rtw_init_queue(&pmlmepriv->free_bss_pool); |
| _rtw_init_queue(&pmlmepriv->scanned_queue); |
| |
| memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid)); |
| |
| pbuf = vzalloc(array_size(MAX_BSS_CNT, sizeof(struct wlan_network))); |
| |
| if (!pbuf) { |
| 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); |
| |
| rtw_init_mlme_timer(padapter); |
| |
| exit: |
| return res; |
| } |
| |
| #if defined(CONFIG_88EU_AP_MODE) |
| static void rtw_free_mlme_ie_data(u8 **ppie, u32 *plen) |
| { |
| kfree(*ppie); |
| *plen = 0; |
| *ppie = NULL; |
| } |
| |
| void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv) |
| { |
| rtw_buf_free(&pmlmepriv->assoc_req, &pmlmepriv->assoc_req_len); |
| rtw_buf_free(&pmlmepriv->assoc_rsp, &pmlmepriv->assoc_rsp_len); |
| rtw_free_mlme_ie_data(&pmlmepriv->wps_beacon_ie, &pmlmepriv->wps_beacon_ie_len); |
| rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_req_ie, &pmlmepriv->wps_probe_req_ie_len); |
| rtw_free_mlme_ie_data(&pmlmepriv->wps_probe_resp_ie, &pmlmepriv->wps_probe_resp_ie_len); |
| rtw_free_mlme_ie_data(&pmlmepriv->wps_assoc_resp_ie, &pmlmepriv->wps_assoc_resp_ie_len); |
| } |
| #else |
| void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv) |
| { |
| } |
| #endif |
| |
| void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv) |
| { |
| if (pmlmepriv) { |
| rtw_free_mlme_priv_ie_data(pmlmepriv); |
| vfree(pmlmepriv->free_bss_buf); |
| } |
| } |
| |
| 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; |
| |
| spin_lock_bh(&free_queue->lock); |
| pnetwork = list_first_entry_or_null(&free_queue->queue, |
| struct wlan_network, list); |
| if (!pnetwork) |
| goto exit; |
| |
| list_del_init(&pnetwork->list); |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("_rtw_alloc_network: ptr=%p\n", &pnetwork->list)); |
| pnetwork->network_type = 0; |
| pnetwork->fixed = false; |
| pnetwork->last_scanned = jiffies; |
| pnetwork->aid = 0; |
| pnetwork->join_res = 0; |
| |
| exit: |
| spin_unlock_bh(&free_queue->lock); |
| |
| return pnetwork; |
| } |
| |
| static void _rtw_free_network(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork, u8 isfreeall) |
| { |
| unsigned long curr_time; |
| u32 delta_time; |
| u32 lifetime = SCANQUEUE_LIFETIME; |
| struct __queue *free_queue = &pmlmepriv->free_bss_pool; |
| |
| if (!pnetwork) |
| return; |
| |
| if (pnetwork->fixed) |
| return; |
| curr_time = jiffies; |
| if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) || |
| (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE))) |
| lifetime = 1; |
| if (!isfreeall) { |
| delta_time = (curr_time - pnetwork->last_scanned)/HZ; |
| if (delta_time < lifetime)/* unit:sec */ |
| return; |
| } |
| spin_lock_bh(&free_queue->lock); |
| list_del_init(&pnetwork->list); |
| list_add_tail(&pnetwork->list, &free_queue->queue); |
| 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) |
| return; |
| if (pnetwork->fixed) |
| return; |
| list_del_init(&pnetwork->list); |
| list_add_tail(&pnetwork->list, get_list_head(free_queue)); |
| } |
| |
| /* |
| * 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; |
| } |
| phead = get_list_head(scanned_queue); |
| plist = phead->next; |
| |
| while (plist != phead) { |
| pnetwork = container_of(plist, struct wlan_network, list); |
| if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN)) |
| break; |
| plist = plist->next; |
| } |
| if (plist == phead) |
| pnetwork = NULL; |
| 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 = phead->next; |
| |
| while (phead != plist) { |
| pnetwork = container_of(plist, struct wlan_network, list); |
| |
| plist = plist->next; |
| |
| _rtw_free_network(pmlmepriv, pnetwork, isfreeall); |
| } |
| spin_unlock_bh(&scanned_queue->lock); |
| } |
| |
| int rtw_if_up(struct adapter *padapter) |
| { |
| int res; |
| |
| if (padapter->bDriverStopped || padapter->bSurpriseRemoved || |
| !check_fwstate(&padapter->mlmepriv, _FW_LINKED)) { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("%s:bDriverStopped(%d) OR bSurpriseRemoved(%d)", |
| __func__, 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]; */ |
| } |
| |
| 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; |
| } |
| |
| static struct wlan_network *rtw_alloc_network(struct mlme_priv *pmlmepriv) |
| { |
| return _rtw_alloc_network(pmlmepriv); |
| } |
| |
| static void rtw_free_network_nolock(struct mlme_priv *pmlmepriv, |
| struct wlan_network *pnetwork) |
| { |
| _rtw_free_network_nolock(pmlmepriv, pnetwork); |
| } |
| |
| int rtw_is_same_ibss(struct adapter *adapter, struct wlan_network *pnetwork) |
| { |
| int ret = true; |
| struct security_priv *psecuritypriv = &adapter->securitypriv; |
| |
| if ((psecuritypriv->dot11PrivacyAlgrthm != _NO_PRIVACY_) && |
| (pnetwork->network.Privacy == 0)) |
| ret = false; |
| else if ((psecuritypriv->dot11PrivacyAlgrthm == _NO_PRIVACY_) && |
| (pnetwork->network.Privacy == 1)) |
| ret = false; |
| else |
| ret = true; |
| return ret; |
| } |
| |
| static int is_same_ess(struct wlan_bssid_ex *a, struct wlan_bssid_ex *b) |
| { |
| return (a->ssid.ssid_length == b->ssid.ssid_length) && |
| !memcmp(a->ssid.ssid, b->ssid.ssid, a->ssid.ssid_length); |
| } |
| |
| int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst) |
| { |
| u16 s_cap, d_cap; |
| __le16 le_scap, le_dcap; |
| |
| memcpy((u8 *)&le_scap, rtw_get_capability_from_ie(src->ies), 2); |
| memcpy((u8 *)&le_dcap, rtw_get_capability_from_ie(dst->ies), 2); |
| |
| s_cap = le16_to_cpu(le_scap); |
| d_cap = le16_to_cpu(le_dcap); |
| |
| return ((src->ssid.ssid_length == dst->ssid.ssid_length) && |
| (!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN)) && |
| (!memcmp(src->ssid.ssid, dst->ssid.ssid, src->ssid.ssid_length)) && |
| ((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_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); |
| |
| for (plist = phead->next; plist != phead; plist = plist->next) { |
| pwlan = container_of(plist, struct wlan_network, list); |
| |
| if (!pwlan->fixed) { |
| if (!oldest || time_after(oldest->last_scanned, pwlan->last_scanned)) |
| oldest = pwlan; |
| } |
| } |
| 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; |
| |
| rtw_hal_antdiv_rssi_compared(padapter, dst, src); /* this will update src.Rssi, need consider again */ |
| |
| /* The rule below is 1/5 for sample value, 4/5 for history value */ |
| if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && |
| is_same_network(&padapter->mlmepriv.cur_network.network, src)) { |
| /* Take the recvpriv's value for the connected AP*/ |
| ss_final = padapter->recvpriv.signal_strength; |
| sq_final = padapter->recvpriv.signal_qual; |
| /* the rssi value here is undecorated, and will be used for antenna diversity */ |
| if (sq_smp != 101) /* from the right channel */ |
| rssi_final = (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) |
| 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; |
| } |
| |
| static void update_current_network(struct adapter *adapter, struct wlan_bssid_ex *pnetwork) |
| { |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| |
| if (check_fwstate(pmlmepriv, _FW_LINKED) && |
| is_same_network(&pmlmepriv->cur_network.network, pnetwork)) { |
| update_network(&pmlmepriv->cur_network.network, pnetwork, adapter, true); |
| rtw_update_protection(adapter, (pmlmepriv->cur_network.network.ies) + sizeof(struct ndis_802_11_fixed_ie), |
| pmlmepriv->cur_network.network.ie_length); |
| } |
| } |
| |
| /* |
| * 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; |
| |
| spin_lock_bh(&queue->lock); |
| phead = get_list_head(queue); |
| plist = phead->next; |
| |
| while (phead != plist) { |
| pnetwork = container_of(plist, struct wlan_network, list); |
| |
| if (is_same_network(&pnetwork->network, target)) |
| break; |
| if ((oldest == ((struct wlan_network *)0)) || |
| time_after(oldest->last_scanned, pnetwork->last_scanned)) |
| oldest = pnetwork; |
| plist = plist->next; |
| } |
| /* If we didn't find a match, then get a new network slot to initialize |
| * with this beacon's information |
| */ |
| if (phead == plist) { |
| if (list_empty(&pmlmepriv->free_bss_pool.queue)) { |
| /* If there are no more slots, expire the oldest */ |
| pnetwork = oldest; |
| |
| rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, |
| &target->PhyInfo.Optimum_antenna); |
| memcpy(&pnetwork->network, target, |
| get_wlan_bssid_ex_sz(target)); |
| /* variable initialize */ |
| pnetwork->fixed = false; |
| pnetwork->last_scanned = 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) { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("\n\n\nsomething wrong here\n\n\n")); |
| goto exit; |
| } |
| |
| bssid_ex_sz = get_wlan_bssid_ex_sz(target); |
| target->Length = bssid_ex_sz; |
| rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, |
| &target->PhyInfo.Optimum_antenna); |
| memcpy(&pnetwork->network, target, bssid_ex_sz); |
| |
| pnetwork->last_scanned = 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.ie_length > target->ie_length) && (target->Reserved[0] == 1)) |
| update_ie = false; |
| |
| update_network(&pnetwork->network, target, adapter, update_ie); |
| } |
| |
| exit: |
| spin_unlock_bh(&queue->lock); |
| } |
| |
| static void rtw_add_network(struct 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 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.ie_length-_FIXED_IE_LENGTH_, NULL, &wps_ielen)) |
| return true; |
| else |
| return false; |
| } |
| if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */ |
| if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0)) |
| bselected = false; |
| } |
| |
| if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) { |
| DBG_88E("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy); |
| bselected = false; |
| } |
| |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| 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_event\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_, |
| ("%s, ssid=%s\n", __func__, 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****%s: return a wrong bss ***\n", __func__)); |
| return; |
| } |
| spin_lock_bh(&pmlmepriv->lock); |
| |
| /* update IBSS_network 's timestamp */ |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) { |
| 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)) { |
| if (pnetwork->ssid.ssid[0] == 0) |
| pnetwork->ssid.ssid_length = 0; |
| rtw_add_network(adapter, pnetwork); |
| } |
| |
| exit: |
| spin_unlock_bh(&pmlmepriv->lock); |
| } |
| |
| void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf) |
| { |
| 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_, |
| ("%s: fw_state:%x\n\n", __func__, 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) { |
| if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { |
| if (!check_fwstate(pmlmepriv, _FW_LINKED)) { |
| set_fwstate(pmlmepriv, _FW_UNDER_LINKING); |
| |
| if (rtw_select_and_join_from_scanned_queue(pmlmepriv) == _SUCCESS) { |
| mod_timer(&pmlmepriv->assoc_timer, |
| jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT)); |
| } else { |
| struct wlan_bssid_ex *pdev_network = &adapter->registrypriv.dev_network; |
| u8 *pibss = adapter->registrypriv.dev_network.MacAddress; |
| |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("switching to adhoc master\n")); |
| |
| 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 (s_ret == _SUCCESS) { |
| mod_timer(&pmlmepriv->assoc_timer, |
| jiffies + msecs_to_jiffies(MAX_JOIN_TIMEOUT)); |
| } else if (s_ret == 2) { /* there is no need to wait for join */ |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); |
| rtw_indicate_connect(adapter); |
| } else { |
| DBG_88E("try_to_join, but select scanning queue fail, to_roaming:%d\n", pmlmepriv->to_roaming); |
| if (pmlmepriv->to_roaming != 0) { |
| if (--pmlmepriv->to_roaming == 0 || |
| rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0) != _SUCCESS) { |
| pmlmepriv->to_roaming = 0; |
| rtw_free_assoc_resources(adapter); |
| rtw_indicate_disconnect(adapter); |
| } else { |
| pmlmepriv->to_join = true; |
| } |
| } |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); |
| } |
| } |
| } |
| |
| indicate_wx_scan_complete_event(adapter); |
| |
| spin_unlock_bh(&pmlmepriv->lock); |
| |
| rtw_os_xmit_schedule(adapter); |
| } |
| |
| 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_, ("+%s\n", __func__)); |
| spin_lock_bh(&scan_queue->lock); |
| spin_lock_bh(&free_queue->lock); |
| |
| phead = get_list_head(scan_queue); |
| plist = phead->next; |
| |
| while (plist != phead) { |
| ptemp = plist->next; |
| list_del_init(plist); |
| list_add_tail(plist, &free_queue->queue); |
| plist = ptemp; |
| } |
| |
| spin_unlock_bh(&free_queue->lock); |
| spin_unlock_bh(&scan_queue->lock); |
| } |
| |
| /* |
| * rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock |
| */ |
| void rtw_free_assoc_resources(struct adapter *adapter) |
| { |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| |
| spin_lock_bh(&pmlmepriv->scanned_queue.lock); |
| rtw_free_assoc_resources_locked(adapter); |
| spin_unlock_bh(&pmlmepriv->scanned_queue.lock); |
| } |
| |
| /* |
| * rtw_free_assoc_resources_locked: the caller has to lock pmlmepriv->lock |
| */ |
| void rtw_free_assoc_resources_locked(struct adapter *adapter) |
| { |
| struct wlan_network *pwlan = NULL; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct sta_priv *pstapriv = &adapter->stapriv; |
| struct wlan_network *tgt_network = &pmlmepriv->cur_network; |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+rtw_free_assoc_resources\n")); |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("tgt_network->network.MacAddress=%pM ssid=%s\n", |
| tgt_network->network.MacAddress, tgt_network->network.ssid.ssid)); |
| |
| if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) { |
| struct sta_info *psta; |
| |
| psta = rtw_get_stainfo(&adapter->stapriv, tgt_network->network.MacAddress); |
| |
| 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); |
| spin_lock_bh(&pstapriv->sta_hash_lock); |
| rtw_free_stainfo(adapter, psta); |
| spin_unlock_bh(&pstapriv->sta_hash_lock); |
| |
| rtw_init_bcmc_stainfo(adapter); |
| } |
| |
| pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress); |
| if (pwlan) |
| pwlan->fixed = false; |
| else |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources:pwlan==NULL\n\n")); |
| |
| if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && (adapter->stapriv.asoc_sta_count == 1))) |
| rtw_free_network_nolock(pmlmepriv, pwlan); |
| |
| pmlmepriv->key_mask = 0; |
| } |
| |
| /* |
| * 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_, ("+%s\n", __func__)); |
| |
| pmlmepriv->to_join = false; |
| |
| if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) { |
| set_fwstate(pmlmepriv, _FW_LINKED); |
| |
| led_control_8188eu(padapter, LED_CTL_LINK); |
| |
| rtw_os_indicate_connect(padapter); |
| } |
| |
| pmlmepriv->to_roaming = 0; |
| |
| rtw_set_scan_deny(padapter, 3000); |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-%s: fw_state=0x%08x\n", __func__, 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_, ("+%s\n", __func__)); |
| |
| _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING | WIFI_UNDER_WPS); |
| |
| if (pmlmepriv->to_roaming > 0) |
| _clr_fwstate_(pmlmepriv, _FW_LINKED); |
| |
| if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) || |
| (pmlmepriv->to_roaming <= 0)) { |
| rtw_os_indicate_disconnect(padapter); |
| |
| _clr_fwstate_(pmlmepriv, _FW_LINKED); |
| led_control_8188eu(padapter, LED_CTL_NO_LINK); |
| 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) |
| { |
| rtw_os_indicate_scan_done(padapter, aborted); |
| } |
| |
| static struct sta_info *rtw_joinbss_update_stainfo(struct adapter *padapter, struct wlan_network *pnetwork) |
| { |
| int i; |
| struct sta_info *bmc_sta, *psta = NULL; |
| struct recv_reorder_ctrl *preorder_ctrl; |
| struct sta_priv *pstapriv = &padapter->stapriv; |
| |
| psta = rtw_get_stainfo(pstapriv, pnetwork->network.MacAddress); |
| if (!psta) |
| psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress); |
| |
| if (psta) { /* update ptarget_sta */ |
| DBG_88E("%s\n", __func__); |
| psta->aid = pnetwork->join_res; |
| psta->mac_id = 0; |
| /* sta mode */ |
| rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true); |
| /* security related */ |
| if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { |
| padapter->securitypriv.binstallGrpkey = false; |
| padapter->securitypriv.busetkipkey = false; |
| padapter->securitypriv.bgrpkey_handshake = false; |
| psta->ieee8021x_blocked = true; |
| psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm; |
| 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)); |
| 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; |
| preorder_ctrl->wend_b = 0xffff; |
| preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */ |
| } |
| bmc_sta = rtw_get_bcmc_stainfo(padapter); |
| if (bmc_sta) { |
| for (i = 0; i < 16; i++) { |
| /* preorder_ctrl = &precvpriv->recvreorder_ctrl[i]; */ |
| preorder_ctrl = &bmc_sta->recvreorder_ctrl[i]; |
| preorder_ctrl->enable = false; |
| preorder_ctrl->indicate_seq = 0xffff; |
| preorder_ctrl->wend_b = 0xffff; |
| preorder_ctrl->wsize_b = 64;/* max_ampdu_sz; ex. 32(kbytes) -> wsize_b = 32 */ |
| } |
| } |
| /* misc. */ |
| update_sta_info(padapter, psta); |
| } |
| return psta; |
| } |
| |
| /* pnetwork: returns from rtw_joinbss_event_callback */ |
| /* ptarget_wlan: found from scanned_queue */ |
| static void rtw_joinbss_update_network(struct adapter *padapter, struct wlan_network *ptarget_wlan, struct wlan_network *pnetwork) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct wlan_network *cur_network = &pmlmepriv->cur_network; |
| |
| DBG_88E("%s\n", __func__); |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("\nfw_state:%x, BSSID:%pM\n", |
| get_fwstate(pmlmepriv), pnetwork->network.MacAddress)); |
| |
| /* why not use ptarget_wlan?? */ |
| memcpy(&cur_network->network, &pnetwork->network, pnetwork->network.Length); |
| /* some ies in pnetwork is wrong, so we should use ptarget_wlan ies */ |
| cur_network->network.ie_length = ptarget_wlan->network.ie_length; |
| memcpy(&cur_network->network.ies[0], &ptarget_wlan->network.ies[0], MAX_IE_SZ); |
| |
| cur_network->aid = pnetwork->join_res; |
| |
| rtw_set_signal_stat_timer(&padapter->recvpriv); |
| padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength; |
| padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality; |
| /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */ |
| padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength); |
| rtw_set_signal_stat_timer(&padapter->recvpriv); |
| |
| /* update fw_state will clr _FW_UNDER_LINKING here indirectly */ |
| switch (pnetwork->network.InfrastructureMode) { |
| case Ndis802_11Infrastructure: |
| if (pmlmepriv->fw_state&WIFI_UNDER_WPS) |
| pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS; |
| else |
| pmlmepriv->fw_state = WIFI_STATION_STATE; |
| break; |
| case Ndis802_11IBSS: |
| pmlmepriv->fw_state = WIFI_ADHOC_STATE; |
| break; |
| default: |
| pmlmepriv->fw_state = WIFI_NULL_STATE; |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n")); |
| break; |
| } |
| |
| rtw_update_protection(padapter, (cur_network->network.ies) + |
| sizeof(struct ndis_802_11_fixed_ie), |
| (cur_network->network.ie_length)); |
| rtw_update_ht_cap(padapter, cur_network->network.ies, cur_network->network.ie_length); |
| } |
| |
| /* Notes: the function could be > passive_level (the same context as Rx tasklet) */ |
| /* pnetwork: returns from rtw_joinbss_event_callback */ |
| /* ptarget_wlan: found from scanned_queue */ |
| /* if join_res > 0, for (fw_state == WIFI_STATION_STATE), we check if "ptarget_sta" & "ptarget_wlan" exist. */ |
| /* if join_res > 0, for (fw_state == WIFI_ADHOC_STATE), we only check if "ptarget_wlan" exist. */ |
| /* if join_res > 0, update "cur_network->network" from "pnetwork->network" if (ptarget_wlan != NULL). */ |
| |
| void rtw_joinbss_event_prehandle(struct adapter *adapter, u8 *pbuf) |
| { |
| 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.ssid_length == 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); |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("\nrtw_joinbss_event_callback!! _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_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) { |
| spin_lock_bh(&pstapriv->sta_hash_lock); |
| rtw_free_stainfo(adapter, pcur_sta); |
| spin_unlock_bh(&pstapriv->sta_hash_lock); |
| } |
| |
| ptarget_wlan = rtw_find_network(&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_network(&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_network(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_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 */ |
| del_timer_sync(&pmlmepriv->assoc_timer); |
| |
| 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); |
| mod_timer(&pmlmepriv->assoc_timer, |
| jiffies + msecs_to_jiffies(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 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); |
| } |
| |
| static u8 search_max_mac_id(struct adapter *padapter) |
| { |
| u8 mac_id; |
| #if defined(CONFIG_88EU_AP_MODE) |
| u8 aid; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct sta_priv *pstapriv = &padapter->stapriv; |
| #endif |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| |
| #if defined(CONFIG_88EU_AP_MODE) |
| if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { |
| for (aid = pstapriv->max_num_sta; aid > 0; aid--) { |
| if (pstapriv->sta_aid[aid-1]) |
| break; |
| } |
| mac_id = aid + 1; |
| } else |
| #endif |
| {/* adhoc id = 31~2 */ |
| for (mac_id = NUM_STA-1; mac_id >= IBSS_START_MAC_ID; mac_id--) { |
| if (pmlmeinfo->FW_sta_info[mac_id].status == 1) |
| break; |
| } |
| } |
| return mac_id; |
| } |
| |
| /* FOR AP , AD-HOC mode */ |
| void rtw_stassoc_hw_rpt(struct adapter *adapter, struct sta_info *psta) |
| { |
| u16 media_status; |
| u8 macid; |
| |
| if (!psta) |
| return; |
| |
| macid = search_max_mac_id(adapter); |
| rtw_hal_set_hwreg(adapter, HW_VAR_TX_RPT_MAX_MACID, (u8 *)&macid); |
| media_status = (psta->mac_id<<8)|1; /* MACID|OPMODE:1 connect */ |
| rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status); |
| } |
| |
| void rtw_stassoc_event_callback(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)) |
| return; |
| |
| #if defined(CONFIG_88EU_AP_MODE) |
| if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) { |
| psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); |
| if (psta) { |
| ap_sta_info_defer_update(adapter, psta); |
| rtw_stassoc_hw_rpt(adapter, psta); |
| } |
| return; |
| } |
| #endif |
| /* for AD-HOC mode */ |
| psta = rtw_get_stainfo(&adapter->stapriv, pstassoc->macaddr); |
| if (psta) { |
| /* the sta have been in sta_info_queue => do nothing */ |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("Error: %s: sta has been in sta_hash_queue\n", |
| __func__)); |
| 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) { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("Can't alloc sta_info when %s\n", __func__)); |
| return; |
| } |
| /* to do: init sta_info variable */ |
| psta->qos_option = 0; |
| psta->mac_id = (uint)pstassoc->cam_id; |
| DBG_88E("%s\n", __func__); |
| /* for ad-hoc mode */ |
| rtw_hal_set_odm_var(adapter, HAL_ODM_STA_INFO, psta, true); |
| rtw_stassoc_hw_rpt(adapter, psta); |
| 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_network(&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_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 sta_priv *pstapriv = &adapter->stapriv; |
| struct wlan_network *tgt_network = &pmlmepriv->cur_network; |
| |
| psta = rtw_get_stainfo(&adapter->stapriv, pstadel->macaddr); |
| if (psta) |
| mac_id = psta->mac_id; |
| else |
| mac_id = pstadel->mac_id; |
| |
| DBG_88E("%s(mac_id=%d)=%pM\n", __func__, mac_id, pstadel->macaddr); |
| |
| if (mac_id >= 0) { |
| u16 media_status; |
| |
| media_status = (mac_id<<8)|0; /* MACID|OPMODE:0 means disconnect */ |
| /* for STA, AP, ADHOC mode, report disconnect stauts to FW */ |
| rtw_hal_set_hwreg(adapter, HW_VAR_H2C_MEDIA_STATUS_RPT, (u8 *)&media_status); |
| } |
| |
| if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) |
| return; |
| |
| mlmeext_sta_del_event_callback(adapter); |
| |
| spin_lock_bh(&pmlmepriv->lock); |
| |
| if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { |
| if (pmlmepriv->to_roaming > 0) |
| pmlmepriv->to_roaming--; /* this stadel_event is caused by roaming, decrease to_roaming */ |
| else if (pmlmepriv->to_roaming == 0) |
| pmlmepriv->to_roaming = adapter->registrypriv.max_roaming_times; |
| |
| if (*((unsigned short *)(pstadel->rsvd)) != WLAN_REASON_EXPIRATION_CHK) |
| pmlmepriv->to_roaming = 0; /* don't roam */ |
| |
| rtw_free_uc_swdec_pending_queue(adapter); |
| |
| rtw_free_assoc_resources(adapter); |
| 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(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_stainfo(adapter, psta); |
| spin_unlock_bh(&pstapriv->sta_hash_lock); |
| |
| if (adapter->stapriv.asoc_sta_count == 1) { /* a sta + bc/mc_stainfo (not Ibss_stainfo) */ |
| spin_lock_bh(&pmlmepriv->scanned_queue.lock); |
| /* free old ibss network */ |
| pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress); |
| if (pwlan) { |
| pwlan->fixed = false; |
| rtw_free_network_nolock(pmlmepriv, pwlan); |
| } |
| 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) |
| { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+%s !!!\n", __func__)); |
| } |
| |
| /* |
| * _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; |
| int do_join_r; |
| |
| DBG_88E("%s, fw_state=%x\n", __func__, get_fwstate(pmlmepriv)); |
| |
| if (adapter->bDriverStopped || adapter->bSurpriseRemoved) |
| return; |
| |
| spin_lock_bh(&pmlmepriv->lock); |
| |
| if (pmlmepriv->to_roaming > 0) { /* join timeout caused by roaming */ |
| while (1) { |
| pmlmepriv->to_roaming--; |
| if (pmlmepriv->to_roaming != 0) { /* try another , */ |
| DBG_88E("%s try another roaming\n", __func__); |
| do_join_r = rtw_do_join(adapter); |
| if (do_join_r != _SUCCESS) { |
| DBG_88E("%s roaming do_join return %d\n", __func__, do_join_r); |
| continue; |
| } |
| break; |
| } else { |
| DBG_88E("%s We've try roaming but fail\n", __func__); |
| rtw_indicate_disconnect(adapter); |
| break; |
| } |
| } |
| } else { |
| rtw_indicate_disconnect(adapter); |
| free_scanqueue(pmlmepriv);/* */ |
| } |
| 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_88E(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); |
| } |
| |
| static void rtw_auto_scan_handler(struct adapter *padapter) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| |
| /* auto site survey per 60sec */ |
| if (pmlmepriv->scan_interval > 0) { |
| pmlmepriv->scan_interval--; |
| if (pmlmepriv->scan_interval == 0) { |
| DBG_88E("%s\n", __func__); |
| rtw_set_802_11_bssid_list_scan(padapter, NULL, 0); |
| pmlmepriv->scan_interval = SCAN_INTERVAL;/* 30*2 sec = 60sec */ |
| } |
| } |
| } |
| |
| void rtw_dynamic_check_timer_handlder(struct timer_list *t) |
| { |
| struct adapter *adapter = from_timer(adapter, t, |
| mlmepriv.dynamic_chk_timer); |
| struct registry_priv *pregistrypriv = &adapter->registrypriv; |
| |
| if (!adapter) |
| return; |
| if (!adapter->hw_init_completed) |
| goto exit; |
| if ((adapter->bDriverStopped) || (adapter->bSurpriseRemoved)) |
| goto exit; |
| if (adapter->net_closed) |
| goto exit; |
| rtw_dynamic_chk_wk_cmd(adapter); |
| |
| if (pregistrypriv->wifi_spec == 1) { |
| /* auto site survey */ |
| rtw_auto_scan_handler(adapter); |
| } |
| exit: |
| mod_timer(&adapter->mlmepriv.dynamic_chk_timer, |
| jiffies + msecs_to_jiffies(2000)); |
| } |
| |
| #define RTW_SCAN_RESULT_EXPIRE 2000 |
| |
| /* |
| * Select a new join candidate from the original @param candidate and @param competitor |
| * @return true: candidate is updated |
| * @return false: candidate is not updated |
| */ |
| static int rtw_check_join_candidate(struct mlme_priv *pmlmepriv |
| , struct wlan_network **candidate, struct wlan_network *competitor) |
| { |
| int updated = false; |
| unsigned long since_scan; |
| struct adapter *adapter = container_of(pmlmepriv, struct adapter, |
| mlmepriv); |
| |
| /* check bssid, if needed */ |
| if (pmlmepriv->assoc_by_bssid) { |
| if (memcmp(competitor->network.MacAddress, pmlmepriv->assoc_bssid, ETH_ALEN)) |
| goto exit; |
| } |
| |
| /* check ssid, if needed */ |
| if (pmlmepriv->assoc_ssid.ssid_length) { |
| if (competitor->network.ssid.ssid_length != pmlmepriv->assoc_ssid.ssid_length || |
| memcmp(competitor->network.ssid.ssid, pmlmepriv->assoc_ssid.ssid, pmlmepriv->assoc_ssid.ssid_length)) |
| goto exit; |
| } |
| |
| if (!rtw_is_desired_network(adapter, competitor)) |
| goto exit; |
| |
| if (pmlmepriv->to_roaming) { |
| since_scan = jiffies - competitor->last_scanned; |
| if (jiffies_to_msecs(since_scan) >= RTW_SCAN_RESULT_EXPIRE || |
| !is_same_ess(&competitor->network, &pmlmepriv->cur_network.network)) |
| goto exit; |
| } |
| |
| if (*candidate == NULL || (*candidate)->network.Rssi < competitor->network.Rssi) { |
| *candidate = competitor; |
| updated = true; |
| } |
| if (updated) { |
| DBG_88E("[by_bssid:%u][assoc_ssid:%s]new candidate: %s(%pM rssi:%d\n", |
| pmlmepriv->assoc_by_bssid, |
| pmlmepriv->assoc_ssid.ssid, |
| (*candidate)->network.ssid.ssid, |
| (*candidate)->network.MacAddress, |
| (int)(*candidate)->network.Rssi); |
| DBG_88E("[to_roaming:%u]\n", pmlmepriv->to_roaming); |
| } |
| |
| exit: |
| return updated; |
| } |
| |
| /* |
| * Calling context: |
| * The caller of the sub-routine will be in critical section... |
| * The caller must hold the following spinlock |
| * pmlmepriv->lock |
| */ |
| |
| int rtw_select_and_join_from_scanned_queue(struct mlme_priv *pmlmepriv) |
| { |
| int ret; |
| struct list_head *phead; |
| struct adapter *adapter; |
| struct __queue *queue = &pmlmepriv->scanned_queue; |
| struct wlan_network *pnetwork = NULL; |
| struct wlan_network *candidate = NULL; |
| u8 supp_ant_div = false; |
| |
| spin_lock_bh(&pmlmepriv->scanned_queue.lock); |
| phead = get_list_head(queue); |
| adapter = (struct adapter *)pmlmepriv->nic_hdl; |
| pmlmepriv->pscanned = phead->next; |
| while (phead != pmlmepriv->pscanned) { |
| pnetwork = container_of(pmlmepriv->pscanned, struct wlan_network, list); |
| if (!pnetwork) { |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("%s return _FAIL:(pnetwork==NULL)\n", __func__)); |
| ret = _FAIL; |
| goto exit; |
| } |
| pmlmepriv->pscanned = pmlmepriv->pscanned->next; |
| rtw_check_join_candidate(pmlmepriv, &candidate, pnetwork); |
| } |
| if (!candidate) { |
| DBG_88E("%s: return _FAIL(candidate==NULL)\n", __func__); |
| ret = _FAIL; |
| goto exit; |
| } else { |
| DBG_88E("%s: candidate: %s(%pM ch:%u)\n", __func__, |
| candidate->network.ssid.ssid, candidate->network.MacAddress, |
| candidate->network.Configuration.DSConfig); |
| } |
| |
| /* check for situation of _FW_LINKED */ |
| if (check_fwstate(pmlmepriv, _FW_LINKED)) { |
| DBG_88E("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__); |
| |
| rtw_disassoc_cmd(adapter, 0, true); |
| rtw_indicate_disconnect(adapter); |
| rtw_free_assoc_resources_locked(adapter); |
| } |
| |
| rtw_hal_get_def_var(adapter, HAL_DEF_IS_SUPPORT_ANT_DIV, &(supp_ant_div)); |
| if (supp_ant_div) { |
| u8 cur_ant; |
| |
| rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(cur_ant)); |
| DBG_88E("#### Opt_Ant_(%s), cur_Ant(%s)\n", |
| (candidate->network.PhyInfo.Optimum_antenna == 2) ? "A" : "B", |
| (cur_ant == 2) ? "A" : "B" |
| ); |
| } |
| |
| ret = rtw_joinbss_cmd(adapter, candidate); |
| |
| exit: |
| spin_unlock_bh(&pmlmepriv->scanned_queue.lock); |
| return ret; |
| } |
| |
| int rtw_set_auth(struct adapter *adapter, struct security_priv *psecuritypriv) |
| { |
| struct cmd_obj *pcmd; |
| struct setauth_parm *psetauthparm; |
| struct cmd_priv *pcmdpriv = &adapter->cmdpriv; |
| int res = _SUCCESS; |
| |
| 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; |
| 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; |
| } |
| |
| int rtw_set_key(struct adapter *adapter, struct security_priv *psecuritypriv, int keyid, u8 set_tx) |
| { |
| u8 keylen; |
| struct cmd_obj *pcmd; |
| struct setkey_parm *psetkeyparm; |
| struct cmd_priv *pcmdpriv = &adapter->cmdpriv; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| int res = _SUCCESS; |
| |
| pcmd = kzalloc(sizeof(struct cmd_obj), GFP_KERNEL); |
| if (!pcmd) |
| return _FAIL; /* try again */ |
| |
| psetkeyparm = kzalloc(sizeof(struct setkey_parm), GFP_KERNEL); |
| if (!psetkeyparm) { |
| res = _FAIL; |
| goto err_free_cmd; |
| } |
| |
| if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) { |
| psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy; |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("\n %s: psetkeyparm->algorithm=(unsigned char)psecuritypriv->dot118021XGrpPrivacy=%d\n", |
| __func__, psetkeyparm->algorithm)); |
| } else { |
| psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm; |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("\n %s: psetkeyparm->algorithm=(u8)psecuritypriv->dot11PrivacyAlgrthm=%d\n", |
| __func__, psetkeyparm->algorithm)); |
| } |
| psetkeyparm->keyid = (u8)keyid;/* 0~3 */ |
| psetkeyparm->set_tx = set_tx; |
| pmlmepriv->key_mask |= BIT(psetkeyparm->keyid); |
| DBG_88E("==> %s algorithm(%x), keyid(%x), key_mask(%x)\n", |
| __func__, psetkeyparm->algorithm, psetkeyparm->keyid, |
| pmlmepriv->key_mask); |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, |
| ("\n %s: psetkeyparm->algorithm=%d psetkeyparm->keyid=(u8)keyid=%d\n", |
| __func__, 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 %s:psecuritypriv->dot11PrivacyAlgrthm=%x (must be 1 or 2 or 4 or 5)\n", |
| __func__, psecuritypriv->dot11PrivacyAlgrthm)); |
| res = _FAIL; |
| goto err_free_parm; |
| } |
| 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); |
| res = rtw_enqueue_cmd(pcmdpriv, pcmd); |
| return res; |
| |
| err_free_parm: |
| kfree(psetkeyparm); |
| err_free_cmd: |
| kfree(pcmd); |
| 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 */ |
| for (i = 12; i < in_len; i += (in_ie[i + 1] + 2) /* to the next IE element */) { |
| ielength = initial_out_len; |
| |
| if (in_ie[i] == 0xDD && in_ie[i+2] == 0x00 && in_ie[i+3] == 0x50 && in_ie[i+4] == 0xF2 && in_ie[i+5] == 0x02 && i+5 < in_len) { |
| /* WMM element ID and OUI */ |
| /* Append WMM IE to the last index of out_ie */ |
| |
| for (j = i; j < i + 9; j++) { |
| out_ie[ielength] = in_ie[j]; |
| ielength++; |
| } |
| out_ie[initial_out_len + 1] = 0x07; |
| out_ie[initial_out_len + 6] = 0x00; |
| out_ie[initial_out_len + 8] = 0x00; |
| break; |
| } |
| } |
| 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; |
| } while (++i < NUM_PMKID_CACHE); |
| |
| if (i == NUM_PMKID_CACHE) |
| i = -1;/* Could not find. */ |
| |
| return i; |
| } |
| |
| /* */ |
| /* Check the RSN IE length */ |
| /* If the RSN IE length <= 20, the RSN IE didn't include the PMKID information */ |
| /* 0-11th element in the array are the fixed IE */ |
| /* 12th element in the array is the IE */ |
| /* 13th element in the array is the IE length */ |
| /* */ |
| |
| static int rtw_append_pmkid(struct adapter *Adapter, int iEntry, u8 *ie, uint ie_len) |
| { |
| struct security_priv *psecuritypriv = &Adapter->securitypriv; |
| |
| if (ie[13] <= 20) { |
| /* The RSN IE didn't include the PMK ID, append the PMK information */ |
| ie[ie_len] = 1; |
| ie_len++; |
| ie[ie_len] = 0; /* PMKID count = 0x0100 */ |
| ie_len++; |
| memcpy(&ie[ie_len], &psecuritypriv->PMKIDList[iEntry].PMKID, 16); |
| |
| ie_len += 16; |
| ie[13] += 18;/* PMKID length = 2+16 */ |
| } |
| return ie_len; |
| } |
| |
| int rtw_restruct_sec_ie(struct adapter *adapter, u8 *in_ie, u8 *out_ie, uint in_len) |
| { |
| u8 authmode; |
| uint ielength; |
| int iEntry; |
| struct mlme_priv *pmlmepriv = &adapter->mlmepriv; |
| struct security_priv *psecuritypriv = &adapter->securitypriv; |
| uint ndisauthmode = psecuritypriv->ndisauthtype; |
| uint ndissecuritytype = psecuritypriv->ndisencryptstatus; |
| |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, |
| ("+%s: ndisauthmode=%d ndissecuritytype=%d\n", __func__, |
| ndisauthmode, ndissecuritytype)); |
| |
| /* copy fixed ie only */ |
| memcpy(out_ie, in_ie, 12); |
| ielength = 12; |
| if ((ndisauthmode == Ndis802_11AuthModeWPA) || |
| (ndisauthmode == Ndis802_11AuthModeWPAPSK)) |
| authmode = _WPA_IE_ID_; |
| if ((ndisauthmode == Ndis802_11AuthModeWPA2) || |
| (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) |
| authmode = _WPA2_IE_ID_; |
| |
| if (check_fwstate(pmlmepriv, WIFI_UNDER_WPS)) { |
| memcpy(out_ie+ielength, psecuritypriv->wps_ie, psecuritypriv->wps_ie_len); |
| |
| ielength += psecuritypriv->wps_ie_len; |
| } else if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) { |
| /* copy RSN or SSN */ |
| memcpy(&out_ie[ielength], &psecuritypriv->supplicant_ie[0], psecuritypriv->supplicant_ie[1]+2); |
| ielength += psecuritypriv->supplicant_ie[1]+2; |
| rtw_report_sec_ie(adapter, authmode, psecuritypriv->supplicant_ie); |
| } |
| |
| iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid); |
| if (iEntry >= 0 && 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_config); |
| pdev_network->Configuration.BeaconPeriod = 100; |
| pdev_network->Configuration.FHConfig.Length = 0; |
| pdev_network->Configuration.FHConfig.HopPattern = 0; |
| pdev_network->Configuration.FHConfig.HopSet = 0; |
| pdev_network->Configuration.FHConfig.DwellTime = 0; |
| } |
| |
| 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; |
| |
| 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; |
| default: |
| pdev_network->NetworkTypeInUse = Ndis802_11OFDM24; |
| break; |
| } |
| |
| pdev_network->Configuration.DSConfig = pregistrypriv->channel; |
| RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, |
| ("pregistrypriv->channel=%d, pdev_network->Configuration.DSConfig=0x%x\n", |
| pregistrypriv->channel, pdev_network->Configuration.DSConfig)); |
| |
| if (cur_network->network.InfrastructureMode == Ndis802_11IBSS) |
| pdev_network->Configuration.ATIMWindow = 0; |
| |
| pdev_network->InfrastructureMode = cur_network->network.InfrastructureMode; |
| |
| /* 1. Supported rates */ |
| /* 2. IE */ |
| |
| sz = rtw_generate_ie(pregistrypriv); |
| pdev_network->ie_length = sz; |
| pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network); |
| |
| /* notes: translate ie_length & Length after assign the Length to cmdsz in createbss_cmd(); */ |
| /* pdev_network->ie_length = 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)); |
| } |
| } |
| |
| /* the function is >= passive_level */ |
| unsigned int rtw_restructure_ht_ie(struct adapter *padapter, u8 *in_ie, u8 *out_ie, uint in_len, uint *pout_len) |
| { |
| u32 ielen, out_len; |
| enum ht_cap_ampdu_factor max_rx_ampdu_factor; |
| unsigned char *p; |
| unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct qos_priv *pqospriv = &pmlmepriv->qospriv; |
| struct ht_priv *phtpriv = &pmlmepriv->htpriv; |
| u32 rx_packet_offset, max_recvbuf_sz; |
| |
| phtpriv->ht_option = false; |
| |
| p = rtw_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12); |
| |
| if (p && ielen > 0) { |
| struct ieee80211_ht_cap ht_cap; |
| |
| if (pqospriv->qos_option == 0) { |
| out_len = *pout_len; |
| rtw_set_ie(out_ie + out_len, _VENDOR_SPECIFIC_IE_, |
| _WMM_IE_Length_, WMM_IE, pout_len); |
| |
| pqospriv->qos_option = 1; |
| } |
| |
| out_len = *pout_len; |
| |
| memset(&ht_cap, 0, sizeof(struct ieee80211_ht_cap)); |
| |
| ht_cap.cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH | |
| IEEE80211_HT_CAP_SGI_20 | |
| IEEE80211_HT_CAP_SGI_40 | |
| IEEE80211_HT_CAP_TX_STBC | |
| IEEE80211_HT_CAP_DSSSCCK40); |
| |
| rtw_hal_get_def_var(padapter, HAL_DEF_RX_PACKET_OFFSET, &rx_packet_offset); |
| rtw_hal_get_def_var(padapter, HAL_DEF_MAX_RECVBUF_SZ, &max_recvbuf_sz); |
| |
| /* |
| ampdu_params_info [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k |
| ampdu_params_info [4:2]:Min MPDU Start Spacing |
| */ |
| |
| rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor); |
| ht_cap.ampdu_params_info = max_rx_ampdu_factor & 0x03; |
| |
| if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_) |
| ht_cap.ampdu_params_info |= IEEE80211_HT_CAP_AMPDU_DENSITY & (0x07 << 2); |
| else |
| ht_cap.ampdu_params_info |= IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00; |
| |
| rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_, |
| sizeof(struct ieee80211_ht_cap), |
| (unsigned char *)&ht_cap, pout_len); |
| |
| phtpriv->ht_option = true; |
| |
| p = rtw_get_ie(in_ie+12, _HT_ADD_INFO_IE_, &ielen, in_len-12); |
| if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) { |
| out_len = *pout_len; |
| rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2, pout_len); |
| } |
| } |
| return phtpriv->ht_option; |
| } |
| |
| /* the function is > passive_level (in critical_section) */ |
| void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len) |
| { |
| struct mlme_priv *pmlmepriv = &padapter->mlmepriv; |
| struct ht_priv *phtpriv = &pmlmepriv->htpriv; |
| struct registry_priv *pregistrypriv = &padapter->registrypriv; |
| struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv; |
| struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info; |
| |
| if (!phtpriv->ht_option) |
| return; |
| |
| if ((!pmlmeinfo->HT_info_enable) || (!pmlmeinfo->HT_caps_enable)) |
| return; |
| |
| DBG_88E("+%s()\n", __func__); |
| |
| /* 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; |
| } |
| |
| /* update cur_bwmode & cur_ch_offset */ |
| if ((pregistrypriv->cbw40_enable) && |
| (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & BIT(1)) && |
| (pmlmeinfo->HT_info.infos[0] & BIT(2))) { |
| int i; |
| |
| /* update the MCS rates */ |
| for (i = 0; i < 16; i++) |
| ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i]; |
| /* switch to the 40M Hz mode according to the AP */ |
| pmlmeext->cur_bwmode = HT_CHANNEL_WIDTH_40; |
| switch ((pmlmeinfo->HT_info.infos[0] & 0x3)) { |
| case HT_EXTCHNL_OFFSET_UPPER: |
| pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER; |
| break; |
| case HT_EXTCHNL_OFFSET_LOWER: |
| pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER; |
| break; |
| default: |
| pmlmeext->cur_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE; |
| break; |
| } |
| } |
| |
| /* Config SM Power Save setting */ |
| pmlmeinfo->SM_PS = (le16_to_cpu(pmlmeinfo->HT_caps.cap_info) & 0x0C) >> 2; |
| if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC) |
| DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__); |
| |
| /* Config current HT Protection mode. */ |
| pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3; |
| } |
| |
| void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe) |
| { |
| u8 issued; |
| int priority; |
| struct sta_info *psta = NULL; |
| struct ht_priv *phtpriv; |
| struct pkt_attrib *pattrib = &pxmitframe->attrib; |
| |
| if (is_multicast_ether_addr(pattrib->ra) || |
| padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100) |
| return; |
| |
| priority = pattrib->priority; |
| |
| if (pattrib->psta) |
| psta = pattrib->psta; |
| else |
| psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra); |
| |
| if (!psta) |
| 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_88E("%s, p=%d\n", __func__, priority); |
| psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority); |
| rtw_addbareq_cmd(padapter, (u8)priority, pattrib->ra); |
| } |
| } |
| } |
| |
| void rtw_roaming(struct adapter *padapter, struct wlan_network *tgt_network) |
| { |
| 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; |
| int do_join_r; |
| struct wlan_network *pnetwork; |
| |
| if (tgt_network) |
| pnetwork = tgt_network; |
| else |
| pnetwork = &pmlmepriv->cur_network; |
| |
| if (pmlmepriv->to_roaming > 0) { |
| DBG_88E("roaming from %s(%pM length:%d\n", |
| pnetwork->network.ssid.ssid, pnetwork->network.MacAddress, |
| pnetwork->network.ssid.ssid_length); |
| memcpy(&pmlmepriv->assoc_ssid, &pnetwork->network.ssid, sizeof(struct ndis_802_11_ssid)); |
| |
| pmlmepriv->assoc_by_bssid = false; |
| |
| while (1) { |
| do_join_r = rtw_do_join(padapter); |
| if (do_join_r == _SUCCESS) { |
| break; |
| } else { |
| DBG_88E("roaming do_join return %d\n", do_join_r); |
| pmlmepriv->to_roaming--; |
| |
| if (pmlmepriv->to_roaming > 0) { |
| continue; |
| } else { |
| DBG_88E("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__); |
| rtw_indicate_disconnect(padapter); |
| break; |
| } |
| } |
| } |
| } |
| } |