--- /dev/null
+/******************************************************************************
+ *
+ * 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)\n",
+ 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(%pM), length:%d\n",
+ pnetwork->network.Ssid.ssid,
+ 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_,
+ "something wrong here\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;
+}
+
+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_,
+ "****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)) {
+ 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",
+ 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=%pM ssid=%s\n",
+ 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_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_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_,
+ "fw_state:%x, BSSID:%pM\n",
+ get_fwstate(pmlmepriv),
+ pnetwork->network.MacAddress);
+
+ /* why not use ptarget_wlan?? */
+ memcpy(&cur_network->network, &pnetwork->network,
+ pnetwork->network.Length);
+ /* some IEs in pnetwork is wrong, so we should use ptarget_wlan IEs */
+ cur_network->network.IELength = ptarget_wlan->network.IELength;
+ memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0],
+ MAX_IE_SZ);
+
+ cur_network->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)
+ */
+ DBG_8723A("%s signal_strength:%3u, signal_qual:%3u\n",
+ __func__, padapter->recvpriv.signal_strength,
+ 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_,
+ "***joinbss_evt_callback return a wrong bss ***\n");
+ return;
+ }
+
+ spin_lock_bh(&pmlmepriv->lock);
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
+ "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\n",
+ 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\n",
+ 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)=%pM\n", __func__, mac_id, 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(%pM) rssi:%d\n",
+ pmlmepriv->assoc_by_bssid,
+ pmlmepriv->assoc_ssid.ssid,
+ adapter->mlmepriv.to_roaming,
+ (*candidate)->network.Ssid.ssid,
+ (*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(%pM, ch:%u)\n",
+ __func__,
+ candidate->network.Ssid.ssid,
+ 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_,
+ "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_,
+ "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_,
+ "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_,
+ "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 = cpu_to_le16(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;
+}
Code Review / kvmfornfv.git / blobdiff