--- /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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
+ *
+ *
+ ******************************************************************************/
+#define _RTW_MLME_C_
+
+
+#include <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 unsigned char MCS_rate_2R[16];
+extern unsigned char 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));
+
+ set_scanned_network_val(pmlmepriv, 0);
+
+ memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
+
+ pbuf = vzalloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
+
+ if (pbuf == NULL) {
+ res = _FAIL;
+ goto exit;
+ }
+ pmlmepriv->free_bss_buf = pbuf;
+
+ pnetwork = (struct wlan_network *)pbuf;
+
+ for (i = 0; i < MAX_BSS_CNT; i++) {
+ INIT_LIST_HEAD(&(pnetwork->list));
+
+ list_add_tail(&(pnetwork->list), &(pmlmepriv->free_bss_pool.queue));
+
+ pnetwork++;
+ }
+
+ /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
+
+ rtw_clear_scan_deny(padapter);
+
+ 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);
+
+ rtw_free_mlme_ie_data(&pmlmepriv->p2p_beacon_ie, &pmlmepriv->p2p_beacon_ie_len);
+ rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_req_ie, &pmlmepriv->p2p_probe_req_ie_len);
+ rtw_free_mlme_ie_data(&pmlmepriv->p2p_probe_resp_ie, &pmlmepriv->p2p_probe_resp_ie_len);
+ rtw_free_mlme_ie_data(&pmlmepriv->p2p_go_probe_resp_ie, &pmlmepriv->p2p_go_probe_resp_ie_len);
+ rtw_free_mlme_ie_data(&pmlmepriv->p2p_assoc_req_ie, &pmlmepriv->p2p_assoc_req_ie_len);
+}
+#else
+void rtw_free_mlme_priv_ie_data(struct mlme_priv *pmlmepriv)
+{
+}
+#endif
+
+void rtw_free_mlme_priv(struct mlme_priv *pmlmepriv)
+{
+ rtw_free_mlme_priv_ie_data(pmlmepriv);
+
+ if (pmlmepriv) {
+ if (pmlmepriv->free_bss_buf)
+ 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;
+ struct list_head *plist = NULL;
+
+ spin_lock_bh(&free_queue->lock);
+
+ if (list_empty(&free_queue->queue)) {
+ pnetwork = NULL;
+ goto exit;
+ }
+ plist = free_queue->queue.next;
+
+ pnetwork = container_of(plist , struct wlan_network, list);
+
+ list_del_init(&pnetwork->list);
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("_rtw_alloc_network: ptr=%p\n", plist));
+ pnetwork->network_type = 0;
+ pnetwork->fixed = false;
+ pnetwork->last_scanned = jiffies;
+ pnetwork->aid = 0;
+ pnetwork->join_res = 0;
+
+ pmlmepriv->num_of_scanned++;
+
+exit:
+ spin_unlock_bh(&free_queue->lock);
+
+ return pnetwork;
+}
+
+static void _rtw_free_network(struct mlme_priv *pmlmepriv , struct wlan_network *pnetwork, u8 isfreeall)
+{
+ u32 curr_time, delta_time;
+ u32 lifetime = SCANQUEUE_LIFETIME;
+ struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
+
+ if (pnetwork == NULL)
+ 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));
+ pmlmepriv->num_of_scanned--;
+ spin_unlock_bh(&free_queue->lock);
+}
+
+void _rtw_free_network_nolock(struct mlme_priv *pmlmepriv, struct wlan_network *pnetwork)
+{
+ struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
+
+ if (pnetwork == NULL)
+ return;
+ if (pnetwork->fixed)
+ return;
+ list_del_init(&(pnetwork->list));
+ list_add_tail(&(pnetwork->list), get_list_head(free_queue));
+ pmlmepriv->num_of_scanned--;
+}
+
+/*
+ return the wlan_network with the matching addr
+
+ Shall be calle under atomic context... to avoid possible racing condition...
+*/
+struct wlan_network *rtw_find_network(struct __queue *scanned_queue, u8 *addr)
+{
+ struct 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) == false)) {
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
+ ("rtw_if_up:bDriverStopped(%d) OR bSurpriseRemoved(%d)",
+ padapter->bDriverStopped, padapter->bSurpriseRemoved));
+ res = false;
+ } else {
+ res = true;
+ }
+ return res;
+}
+
+void rtw_generate_random_ibss(u8 *pibss)
+{
+ u32 curtime = jiffies;
+
+ pibss[0] = 0x02; /* in ad-hoc mode bit1 must set to 1 */
+ pibss[1] = 0x11;
+ pibss[2] = 0x87;
+ pibss[3] = (u8)(curtime & 0xff);/* p[0]; */
+ pibss[4] = (u8)((curtime>>8) & 0xff);/* p[1]; */
+ pibss[5] = (u8)((curtime>>16) & 0xff);/* p[2]; */
+ return;
+}
+
+u8 *rtw_get_capability_from_ie(u8 *ie)
+{
+ return ie + 8 + 2;
+}
+
+
+u16 rtw_get_capability(struct wlan_bssid_ex *bss)
+{
+ __le16 val;
+
+ memcpy((u8 *)&val, rtw_get_capability_from_ie(bss->IEs), 2);
+
+ return le16_to_cpu(val);
+}
+
+u8 *rtw_get_beacon_interval_from_ie(u8 *ie)
+{
+ return ie + 8;
+}
+
+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.SsidLength == b->Ssid.SsidLength) &&
+ !memcmp(a->Ssid.Ssid, b->Ssid.Ssid, a->Ssid.SsidLength);
+}
+
+int is_same_network(struct wlan_bssid_ex *src, struct wlan_bssid_ex *dst)
+{
+ 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.SsidLength == dst->Ssid.SsidLength) &&
+ ((!memcmp(src->MacAddress, dst->MacAddress, ETH_ALEN)) == true) &&
+ ((!memcmp(src->Ssid.Ssid, dst->Ssid.Ssid, src->Ssid.SsidLength)) == true) &&
+ ((s_cap & WLAN_CAPABILITY_IBSS) ==
+ (d_cap & WLAN_CAPABILITY_IBSS)) &&
+ ((s_cap & WLAN_CAPABILITY_BSS) ==
+ (d_cap & WLAN_CAPABILITY_BSS)));
+}
+
+struct wlan_network *rtw_get_oldest_wlan_network(struct __queue *scanned_queue)
+{
+ struct list_head *plist, *phead;
+ struct wlan_network *pwlan = NULL;
+ struct wlan_network *oldest = NULL;
+
+ phead = get_list_head(scanned_queue);
+
+ plist = phead->next;
+
+ while (1) {
+ if (phead == plist)
+ break;
+
+ pwlan = container_of(plist, struct wlan_network, list);
+
+ if (!pwlan->fixed) {
+ if (oldest == NULL || time_after(oldest->last_scanned, pwlan->last_scanned))
+ oldest = pwlan;
+ }
+
+ plist = plist->next;
+ }
+ 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) == true) &&
+ (is_same_network(&(pmlmepriv->cur_network.network), pnetwork))) {
+ update_network(&(pmlmepriv->cur_network.network), pnetwork, adapter, true);
+ rtw_update_protection(adapter, (pmlmepriv->cur_network.network.IEs) + sizeof(struct ndis_802_11_fixed_ie),
+ pmlmepriv->cur_network.network.IELength);
+ }
+}
+
+/*
+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 == NULL) {
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n\nsomething wrong here\n\n\n"));
+ goto exit;
+ }
+
+ bssid_ex_sz = get_wlan_bssid_ex_sz(target);
+ target->Length = bssid_ex_sz;
+ rtw_hal_get_def_var(adapter, HAL_DEF_CURRENT_ANTENNA, &(target->PhyInfo.Optimum_antenna));
+ memcpy(&(pnetwork->network), target, bssid_ex_sz);
+
+ pnetwork->last_scanned = jiffies;
+
+ /* bss info not receiving from the right channel */
+ if (pnetwork->network.PhyInfo.SignalQuality == 101)
+ pnetwork->network.PhyInfo.SignalQuality = 0;
+ list_add_tail(&(pnetwork->list), &(queue->queue));
+ }
+ } else {
+ /* we have an entry and we are going to update it. But this entry may
+ * be already expired. In this case we do the same as we found a new
+ * net and call the new_net handler
+ */
+ bool update_ie = true;
+
+ pnetwork->last_scanned = jiffies;
+
+ /* target.Reserved[0]== 1, means that scanned network is a bcn frame. */
+ if ((pnetwork->network.IELength > target->IELength) && (target->Reserved[0] == 1))
+ update_ie = false;
+
+ 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.IELength-_FIXED_IE_LENGTH_, NULL, &wps_ielen) != NULL)
+ return true;
+ else
+ return false;
+ }
+ if (adapter->registrypriv.wifi_spec == 1) { /* for correct flow of 8021X to do.... */
+ if ((desired_encmode == Ndis802_11EncryptionDisabled) && (privacy != 0))
+ bselected = false;
+ }
+
+
+ if ((desired_encmode != Ndis802_11EncryptionDisabled) && (privacy == 0)) {
+ DBG_88E("desired_encmode: %d, privacy: %d\n", desired_encmode, privacy);
+ bselected = false;
+ }
+
+ if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true) {
+ if (pnetwork->network.InfrastructureMode != pmlmepriv->cur_network.network.InfrastructureMode)
+ bselected = false;
+ }
+
+
+ return bselected;
+}
+
+/* TODO: Perry: For Power Management */
+void rtw_atimdone_event_callback(struct adapter *adapter , u8 *pbuf)
+{
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("receive atimdone_evet\n"));
+ return;
+}
+
+
+void rtw_survey_event_callback(struct adapter *adapter, u8 *pbuf)
+{
+ u32 len;
+ struct wlan_bssid_ex *pnetwork;
+ struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
+
+ pnetwork = (struct wlan_bssid_ex *)pbuf;
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_survey_event_callback, ssid=%s\n", pnetwork->Ssid.Ssid));
+
+ len = get_wlan_bssid_ex_sz(pnetwork);
+ if (len > (sizeof(struct wlan_bssid_ex))) {
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n****rtw_survey_event_callback: return a wrong bss ***\n"));
+ return;
+ }
+ spin_lock_bh(&pmlmepriv->lock);
+
+ /* update IBSS_network 's timestamp */
+ if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) == true) {
+ if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), pnetwork->MacAddress, ETH_ALEN)) {
+ struct wlan_network *ibss_wlan = NULL;
+
+ memcpy(pmlmepriv->cur_network.network.IEs, pnetwork->IEs, 8);
+ spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
+ ibss_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->MacAddress);
+ if (ibss_wlan) {
+ memcpy(ibss_wlan->network.IEs , pnetwork->IEs, 8);
+ spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
+ goto exit;
+ }
+ spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
+ }
+ }
+
+ /* lock pmlmepriv->lock when you accessing network_q */
+ if ((check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) == false) {
+ if (pnetwork->Ssid.Ssid[0] == 0)
+ pnetwork->Ssid.SsidLength = 0;
+ rtw_add_network(adapter, pnetwork);
+ }
+
+exit:
+
+ spin_unlock_bh(&pmlmepriv->lock);
+ return;
+}
+
+void rtw_surveydone_event_callback(struct adapter *adapter, u8 *pbuf)
+{
+ struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
+ struct mlme_ext_priv *pmlmeext;
+
+ spin_lock_bh(&pmlmepriv->lock);
+
+ if (pmlmepriv->wps_probe_req_ie) {
+ pmlmepriv->wps_probe_req_ie_len = 0;
+ kfree(pmlmepriv->wps_probe_req_ie);
+ pmlmepriv->wps_probe_req_ie = NULL;
+ }
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("rtw_surveydone_event_callback: fw_state:%x\n\n", get_fwstate(pmlmepriv)));
+
+ if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
+ 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) == true)) {
+ if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
+ 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 (_SUCCESS == s_ret) {
+ 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 ||
+ _SUCCESS != rtw_sitesurvey_cmd(adapter, &pmlmepriv->assoc_ssid, 1, NULL, 0)) {
+ pmlmepriv->to_roaming = 0;
+ rtw_free_assoc_resources(adapter, 1);
+ rtw_indicate_disconnect(adapter);
+ } else {
+ pmlmepriv->to_join = true;
+ }
+ }
+ _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
+ }
+ }
+ }
+
+ indicate_wx_scan_complete_event(adapter);
+
+ spin_unlock_bh(&pmlmepriv->lock);
+
+ rtw_os_xmit_schedule(adapter);
+
+ pmlmeext = &adapter->mlmeextpriv;
+}
+
+void rtw_dummy_event_callback(struct adapter *adapter , u8 *pbuf)
+{
+}
+
+void rtw_fwdbg_event_callback(struct adapter *adapter , u8 *pbuf)
+{
+}
+
+static void free_scanqueue(struct mlme_priv *pmlmepriv)
+{
+ struct __queue *free_queue = &pmlmepriv->free_bss_pool;
+ struct __queue *scan_queue = &pmlmepriv->scanned_queue;
+ struct list_head *plist, *phead, *ptemp;
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_notice_, ("+free_scanqueue\n"));
+ spin_lock_bh(&scan_queue->lock);
+ spin_lock_bh(&free_queue->lock);
+
+ phead = get_list_head(scan_queue);
+ plist = phead->next;
+
+ while (plist != phead) {
+ ptemp = plist->next;
+ list_del_init(plist);
+ list_add_tail(plist, &free_queue->queue);
+ plist = ptemp;
+ pmlmepriv->num_of_scanned--;
+ }
+
+ spin_unlock_bh(&free_queue->lock);
+ spin_unlock_bh(&scan_queue->lock);
+}
+
+/*
+*rtw_free_assoc_resources: the caller has to lock pmlmepriv->lock
+*/
+void rtw_free_assoc_resources(struct adapter *adapter, int lock_scanned_queue)
+{
+ 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);
+ }
+
+ if (lock_scanned_queue)
+ spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
+
+ pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
+ if (pwlan)
+ pwlan->fixed = false;
+ else
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("rtw_free_assoc_resources:pwlan==NULL\n\n"));
+
+ if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) && (adapter->stapriv.asoc_sta_count == 1)))
+ rtw_free_network_nolock(pmlmepriv, pwlan);
+
+ if (lock_scanned_queue)
+ spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
+ 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_, ("+rtw_indicate_connect\n"));
+
+ pmlmepriv->to_join = false;
+
+ if (!check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
+ set_fwstate(pmlmepriv, _FW_LINKED);
+
+ rtw_led_control(padapter, LED_CTL_LINK);
+
+ rtw_os_indicate_connect(padapter);
+ }
+
+ pmlmepriv->to_roaming = 0;
+
+ rtw_set_scan_deny(padapter, 3000);
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("-rtw_indicate_connect: fw_state=0x%08x\n", get_fwstate(pmlmepriv)));
+}
+
+/*
+*rtw_indicate_disconnect: the caller has to lock pmlmepriv->lock
+*/
+void rtw_indicate_disconnect(struct adapter *padapter)
+{
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("+rtw_indicate_disconnect\n"));
+
+ _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING | WIFI_UNDER_WPS);
+
+
+ if (pmlmepriv->to_roaming > 0)
+ _clr_fwstate_(pmlmepriv, _FW_LINKED);
+
+ if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) ||
+ (pmlmepriv->to_roaming <= 0)) {
+ rtw_os_indicate_disconnect(padapter);
+
+ _clr_fwstate_(pmlmepriv, _FW_LINKED);
+ rtw_led_control(padapter, LED_CTL_NO_LINK);
+ rtw_clear_scan_deny(padapter);
+ }
+
+ 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);
+}
+
+void rtw_scan_abort(struct adapter *adapter)
+{
+ u32 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) &&
+ rtw_get_passing_time_ms(start) <= 200) {
+ if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
+ break;
+ DBG_88E(FUNC_NDEV_FMT"fw_state=_FW_UNDER_SURVEY!\n", FUNC_NDEV_ARG(adapter->pnetdev));
+ msleep(20);
+ }
+ if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
+ if (!adapter->bDriverStopped && !adapter->bSurpriseRemoved)
+ DBG_88E(FUNC_NDEV_FMT"waiting for scan_abort time out!\n", FUNC_NDEV_ARG(adapter->pnetdev));
+ rtw_indicate_scan_done(adapter, true);
+ }
+ pmlmeext->scan_abort = false;
+}
+
+static struct sta_info *rtw_joinbss_update_stainfo(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 == NULL)
+ psta = rtw_alloc_stainfo(pstapriv, pnetwork->network.MacAddress);
+
+ if (psta) { /* update ptarget_sta */
+ DBG_88E("%s\n", __func__);
+ psta->aid = pnetwork->join_res;
+ psta->mac_id = 0;
+ /* sta mode */
+ rtw_hal_set_odm_var(padapter, HAL_ODM_STA_INFO, psta, true);
+ /* security related */
+ if (padapter->securitypriv.dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
+ padapter->securitypriv.binstallGrpkey = false;
+ padapter->securitypriv.busetkipkey = false;
+ padapter->securitypriv.bgrpkey_handshake = false;
+ psta->ieee8021x_blocked = true;
+ psta->dot118021XPrivacy = padapter->securitypriv.dot11PrivacyAlgrthm;
+ 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 tramsmitted.
+ */
+ if (padapter->securitypriv.wps_ie_len != 0) {
+ psta->ieee8021x_blocked = true;
+ padapter->securitypriv.wps_ie_len = 0;
+ }
+ /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info */
+ /* if A-MPDU Rx is enabled, 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.IELength = ptarget_wlan->network.IELength;
+ memcpy(&cur_network->network.IEs[0], &ptarget_wlan->network.IEs[0], MAX_IE_SZ);
+
+ cur_network->aid = pnetwork->join_res;
+
+
+ rtw_set_signal_stat_timer(&padapter->recvpriv);
+ padapter->recvpriv.signal_strength = ptarget_wlan->network.PhyInfo.SignalStrength;
+ padapter->recvpriv.signal_qual = ptarget_wlan->network.PhyInfo.SignalQuality;
+ /* the ptarget_wlan->network.Rssi is raw data, we use ptarget_wlan->network.PhyInfo.SignalStrength instead (has scaled) */
+ padapter->recvpriv.rssi = translate_percentage_to_dbm(ptarget_wlan->network.PhyInfo.SignalStrength);
+ rtw_set_signal_stat_timer(&padapter->recvpriv);
+
+ /* update fw_state will clr _FW_UNDER_LINKING here indirectly */
+ switch (pnetwork->network.InfrastructureMode) {
+ case Ndis802_11Infrastructure:
+ if (pmlmepriv->fw_state&WIFI_UNDER_WPS)
+ pmlmepriv->fw_state = WIFI_STATION_STATE|WIFI_UNDER_WPS;
+ else
+ pmlmepriv->fw_state = WIFI_STATION_STATE;
+ break;
+ case Ndis802_11IBSS:
+ pmlmepriv->fw_state = WIFI_ADHOC_STATE;
+ break;
+ default:
+ pmlmepriv->fw_state = WIFI_NULL_STATE;
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Invalid network_mode\n"));
+ break;
+ }
+
+ rtw_update_protection(padapter, (cur_network->network.IEs) +
+ sizeof(struct ndis_802_11_fixed_ie),
+ (cur_network->network.IELength));
+ rtw_update_ht_cap(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 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.SsidLength == 0)
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ joinbss event call back for Any SSid\n"));
+ else
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("@@@@@ rtw_joinbss_event_callback for SSid:%s\n", pmlmepriv->assoc_ssid.Ssid));
+
+ the_same_macaddr = !memcmp(pnetwork->network.MacAddress, cur_network->network.MacAddress, ETH_ALEN);
+
+ pnetwork->network.Length = get_wlan_bssid_ex_sz(&pnetwork->network);
+ if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) {
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("\n\n ***joinbss_evt_callback return a wrong bss ***\n\n"));
+ return;
+ }
+
+ spin_lock_bh(&pmlmepriv->lock);
+
+ 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) == true) {
+ if (ptarget_wlan)
+ ptarget_wlan->fixed = true;
+ }
+ }
+ } else {
+ ptarget_wlan = rtw_find_network(&pmlmepriv->scanned_queue, pnetwork->network.MacAddress);
+ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
+ if (ptarget_wlan)
+ ptarget_wlan->fixed = true;
+ }
+ }
+
+ /* s2. update cur_network */
+ if (ptarget_wlan) {
+ rtw_joinbss_update_network(adapter, ptarget_wlan, pnetwork);
+ } else {
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't find ptarget_wlan when joinbss_event callback\n"));
+ spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
+ goto ignore_joinbss_callback;
+ }
+
+
+ /* s3. find ptarget_sta & update ptarget_sta after update cur_network only for station mode */
+ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
+ ptarget_sta = rtw_joinbss_update_stainfo(adapter, pnetwork);
+ if (ptarget_sta == NULL) {
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't update stainfo when joinbss_event callback\n"));
+ spin_unlock_bh(&pmlmepriv->scanned_queue.lock);
+ goto ignore_joinbss_callback;
+ }
+ }
+
+ /* s4. indicate connect */
+ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
+ rtw_indicate_connect(adapter);
+ } else {
+ /* adhoc mode will rtw_indicate_connect when rtw_stassoc_event_callback */
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("adhoc mode, fw_state:%x", get_fwstate(pmlmepriv)));
+ }
+
+ /* s5. Cancle assoc_timer */
+ 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_, ("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)) == true) {
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("fail! clear _FW_UNDER_LINKING ^^^fw_state=%x\n", get_fwstate(pmlmepriv)));
+ _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
+ }
+ } else { /* if join_res < 0 (join fails), then try again */
+ 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] != NULL)
+ break;
+ }
+ mac_id = aid + 1;
+ } else
+#endif
+ {/* adhoc id = 31~2 */
+ for (mac_id = (NUM_STA-1); mac_id >= IBSS_START_MAC_ID; mac_id--) {
+ if (pmlmeinfo->FW_sta_info[mac_id].status == 1)
+ break;
+ }
+ }
+ 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 == NULL)
+ 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) == false)
+ 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 != NULL) {
+ /* the sta have been in sta_info_queue => do nothing */
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Error: rtw_stassoc_event_callback: sta has been in sta_hash_queue\n"));
+ return; /* between drv has received this event before and fw have not yet to set key to CAM_ENTRY) */
+ }
+ psta = rtw_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
+ if (psta == NULL) {
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_, ("Can't alloc sta_info when rtw_stassoc_event_callback\n"));
+ return;
+ }
+ /* to do: init sta_info variable */
+ psta->qos_option = 0;
+ psta->mac_id = (uint)pstassoc->cam_id;
+ 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, 1);
+ rtw_indicate_disconnect(adapter);
+ spin_lock_bh(&(pmlmepriv->scanned_queue.lock));
+ /* remove the network entry in scanned_queue */
+ pwlan = rtw_find_network(&pmlmepriv->scanned_queue, tgt_network->network.MacAddress);
+ if (pwlan) {
+ pwlan->fixed = false;
+ rtw_free_network_nolock(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_, ("+rtw_cpwm_event_callback !!!\n"));
+}
+
+/*
+* _rtw_join_timeout_handler - Timeout/faliure handler for CMD JoinBss
+* @adapter: pointer to struct adapter structure
+*/
+void _rtw_join_timeout_handler (unsigned long data)
+{
+ struct adapter *adapter = (struct adapter *)data;
+ 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 (_SUCCESS != do_join_r) {
+ 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/Faliure handler for CMD SiteSurvey
+* @adapter: pointer to struct adapter structure
+*/
+void rtw_scan_timeout_handler (unsigned long data)
+{
+ struct adapter *adapter = (struct adapter *)data;
+ 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(unsigned long data)
+{
+ struct adapter *adapter = (struct adapter *)data;
+ 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;
+ 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.SsidLength) {
+ if (competitor->network.Ssid.SsidLength != pmlmepriv->assoc_ssid.SsidLength ||
+ !memcmp(competitor->network.Ssid.Ssid, pmlmepriv->assoc_ssid.Ssid, pmlmepriv->assoc_ssid.SsidLength) == false)
+ goto exit;
+ }
+
+ if (rtw_is_desired_network(adapter, competitor) == false)
+ goto exit;
+
+ if (pmlmepriv->to_roaming) {
+ if (rtw_get_passing_time_ms((u32)competitor->last_scanned) >= RTW_SCAN_RESULT_EXPIRE ||
+ is_same_ess(&competitor->network, &pmlmepriv->cur_network.network) == false)
+ goto exit;
+ }
+
+ if (*candidate == NULL || (*candidate)->network.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 == NULL) {
+ 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 == NULL) {
+ 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) == true) {
+ DBG_88E("%s: _FW_LINKED while ask_for_joinbss!!!\n", __func__);
+
+ rtw_disassoc_cmd(adapter, 0, true);
+ rtw_indicate_disconnect(adapter);
+ rtw_free_assoc_resources(adapter, 0);
+ }
+
+ rtw_hal_get_def_var(adapter, HAL_DEF_IS_SUPPORT_ANT_DIV, &(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",
+ (2 == candidate->network.PhyInfo.Optimum_antenna) ? "A" : "B",
+ (2 == cur_ant) ? "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 == NULL) {
+ res = _FAIL; /* try again */
+ goto exit;
+ }
+
+ psetauthparm = kzalloc(sizeof(struct setauth_parm), GFP_KERNEL);
+ if (psetauthparm == NULL) {
+ kfree(pcmd);
+ res = _FAIL;
+ goto exit;
+ }
+ memset(psetauthparm, 0, sizeof(struct setauth_parm));
+ psetauthparm->mode = (unsigned char)psecuritypriv->dot11AuthAlgrthm;
+ pcmd->cmdcode = _SetAuth_CMD_;
+ pcmd->parmbuf = (unsigned char *)psetauthparm;
+ pcmd->cmdsz = (sizeof(struct setauth_parm));
+ pcmd->rsp = NULL;
+ pcmd->rspsz = 0;
+ INIT_LIST_HEAD(&pcmd->list);
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
+ ("after enqueue set_auth_cmd, auth_mode=%x\n",
+ psecuritypriv->dot11AuthAlgrthm));
+ res = rtw_enqueue_cmd(pcmdpriv, pcmd);
+exit:
+ return res;
+}
+
+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 == NULL)
+ return _FAIL; /* try again */
+
+ psetkeyparm = kzalloc(sizeof(struct setkey_parm), GFP_KERNEL);
+ if (psetkeyparm == NULL) {
+ res = _FAIL;
+ goto err_free_cmd;
+ }
+
+ memset(psetkeyparm, 0, sizeof(struct setkey_parm));
+
+ if (psecuritypriv->dot11AuthAlgrthm == dot11AuthAlgrthm_8021X) {
+ psetkeyparm->algorithm = (unsigned char)psecuritypriv->dot118021XGrpPrivacy;
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
+ ("\n rtw_set_key: psetkeyparm->algorithm=(unsigned char)psecuritypriv->dot118021XGrpPrivacy=%d\n",
+ psetkeyparm->algorithm));
+ } else {
+ psetkeyparm->algorithm = (u8)psecuritypriv->dot11PrivacyAlgrthm;
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
+ ("\n rtw_set_key: psetkeyparm->algorithm=(u8)psecuritypriv->dot11PrivacyAlgrthm=%d\n",
+ psetkeyparm->algorithm));
+ }
+ psetkeyparm->keyid = (u8)keyid;/* 0~3 */
+ psetkeyparm->set_tx = set_tx;
+ pmlmepriv->key_mask |= BIT(psetkeyparm->keyid);
+ DBG_88E("==> rtw_set_key algorithm(%x), keyid(%x), key_mask(%x)\n",
+ psetkeyparm->algorithm, psetkeyparm->keyid, pmlmepriv->key_mask);
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
+ ("\n rtw_set_key: psetkeyparm->algorithm=%d psetkeyparm->keyid=(u8)keyid=%d\n",
+ psetkeyparm->algorithm, keyid));
+
+ switch (psetkeyparm->algorithm) {
+ case _WEP40_:
+ keylen = 5;
+ memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
+ break;
+ case _WEP104_:
+ keylen = 13;
+ memcpy(&(psetkeyparm->key[0]), &(psecuritypriv->dot11DefKey[keyid].skey[0]), keylen);
+ break;
+ case _TKIP_:
+ keylen = 16;
+ memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
+ psetkeyparm->grpkey = 1;
+ break;
+ case _AES_:
+ keylen = 16;
+ memcpy(&psetkeyparm->key, &psecuritypriv->dot118021XGrpKey[keyid], keylen);
+ psetkeyparm->grpkey = 1;
+ break;
+ default:
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
+ ("\n rtw_set_key:psecuritypriv->dot11PrivacyAlgrthm=%x (must be 1 or 2 or 4 or 5)\n",
+ psecuritypriv->dot11PrivacyAlgrthm));
+ res = _FAIL;
+ 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 */
+ while (i < in_len) {
+ ielength = initial_out_len;
+
+ if (in_ie[i] == 0xDD && in_ie[i+2] == 0x00 && in_ie[i+3] == 0x50 && in_ie[i+4] == 0xF2 && in_ie[i+5] == 0x02 && i+5 < in_len) {
+ /* WMM element ID and OUI */
+ /* 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;
+ }
+ i += (in_ie[i+1]+2); /* to the next IE element */
+ }
+ return ielength;
+}
+
+/*
+ * Ported from 8185: IsInPreAuthKeyList().
+ * (Renamed from SecIsInPreAuthKeyList(), 2006-10-13.)
+ * Added by Annie, 2006-05-07.
+ * Search by BSSID,
+ * Return Value:
+ * -1 :if there is no pre-auth key in the table
+ * >= 0 :if there is pre-auth key, and return the entry id
+ */
+static int SecIsInPMKIDList(struct adapter *Adapter, u8 *bssid)
+{
+ struct security_priv *psecuritypriv = &Adapter->securitypriv;
+ int i = 0;
+
+ do {
+ if ((psecuritypriv->PMKIDList[i].bUsed) &&
+ (!memcmp(psecuritypriv->PMKIDList[i].Bssid, bssid, ETH_ALEN))) {
+ break;
+ } else {
+ i++;
+ /* continue; */
+ }
+
+ } while (i < NUM_PMKID_CACHE);
+
+ if (i == NUM_PMKID_CACHE)
+ i = -1;/* Could not find. */
+
+ 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_,
+ ("+rtw_restruct_sec_ie: ndisauthmode=%d ndissecuritytype=%d\n",
+ 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) {
+ return ielength;
+ } else {
+ if (authmode == _WPA2_IE_ID_)
+ ielength = rtw_append_pmkid(adapter, iEntry, out_ie, ielength);
+ }
+ return ielength;
+}
+
+void rtw_init_registrypriv_dev_network(struct adapter *adapter)
+{
+ struct registry_priv *pregistrypriv = &adapter->registrypriv;
+ struct eeprom_priv *peepriv = &adapter->eeprompriv;
+ struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
+ u8 *myhwaddr = myid(peepriv);
+
+ memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
+
+ memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, sizeof(struct ndis_802_11_ssid));
+
+ pdev_network->Configuration.Length = sizeof(struct ndis_802_11_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;
+ case WIRELESS_11A:
+ case WIRELESS_11A_5N:
+ pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
+ break;
+ case WIRELESS_11ABGN:
+ if (pregistrypriv->channel > 14)
+ pdev_network->NetworkTypeInUse = (Ndis802_11OFDM5);
+ else
+ pdev_network->NetworkTypeInUse = (Ndis802_11OFDM24);
+ break;
+ default:
+ /* TODO */
+ break;
+ }
+
+ pdev_network->Configuration.DSConfig = (pregistrypriv->channel);
+ RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
+ ("pregistrypriv->channel=%d, pdev_network->Configuration.DSConfig=0x%x\n",
+ pregistrypriv->channel, pdev_network->Configuration.DSConfig));
+
+ if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
+ pdev_network->Configuration.ATIMWindow = (0);
+
+ pdev_network->InfrastructureMode = (cur_network->network.InfrastructureMode);
+
+ /* 1. Supported rates */
+ /* 2. IE */
+
+ sz = rtw_generate_ie(pregistrypriv);
+ pdev_network->IELength = sz;
+ pdev_network->Length = get_wlan_bssid_ex_sz((struct wlan_bssid_ex *)pdev_network);
+
+ /* notes: translate IELength & Length after assign the Length to cmdsz in createbss_cmd(); */
+ /* pdev_network->IELength = cpu_to_le32(sz); */
+}
+
+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;
+ struct rtw_ieee80211_ht_cap ht_capie;
+ unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct qos_priv *pqospriv = &pmlmepriv->qospriv;
+ struct ht_priv *phtpriv = &pmlmepriv->htpriv;
+ 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) {
+ 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_capie, 0, sizeof(struct rtw_ieee80211_ht_cap));
+
+ ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
+ IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_TX_STBC |
+ IEEE80211_HT_CAP_DSSSCCK40;
+
+ 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_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
+ AMPDU_para [4:2]:Min MPDU Start Spacing
+ */
+
+ rtw_hal_get_def_var(padapter, HW_VAR_MAX_RX_AMPDU_FACTOR, &max_rx_ampdu_factor);
+ ht_capie.ampdu_params_info = (max_rx_ampdu_factor&0x03);
+
+ if (padapter->securitypriv.dot11PrivacyAlgrthm == _AES_)
+ ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&(0x07<<2));
+ else
+ ht_capie.ampdu_params_info |= (IEEE80211_HT_CAP_AMPDU_DENSITY&0x00);
+
+
+ rtw_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
+ sizeof(struct rtw_ieee80211_ht_cap), (unsigned char *)&ht_capie, pout_len);
+
+ phtpriv->ht_option = true;
+
+ p = rtw_get_ie(in_ie+12, _HT_ADD_INFO_IE_, &ielen, in_len-12);
+ if (p && (ielen == sizeof(struct ieee80211_ht_addt_info))) {
+ out_len = *pout_len;
+ rtw_set_ie(out_ie+out_len, _HT_ADD_INFO_IE_, ielen, p+2 , pout_len);
+ }
+ }
+ return phtpriv->ht_option;
+}
+
+/* the function is > passive_level (in critical_section) */
+void rtw_update_ht_cap(struct adapter *padapter, u8 *pie, uint ie_len)
+{
+ u8 *p, max_ampdu_sz;
+ int len;
+ struct rtw_ieee80211_ht_cap *pht_capie;
+ 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("+rtw_update_ht_cap()\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 */
+ len = 0;
+ p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_CAPABILITY_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie));
+ if (p && len > 0) {
+ pht_capie = (struct rtw_ieee80211_ht_cap *)(p+2);
+ max_ampdu_sz = pht_capie->ampdu_params_info & IEEE80211_HT_CAP_AMPDU_FACTOR;
+ max_ampdu_sz = 1 << (max_ampdu_sz+3); /* max_ampdu_sz (kbytes); */
+ phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
+ }
+ len = 0;
+ p = rtw_get_ie(pie+sizeof(struct ndis_802_11_fixed_ie), _HT_ADD_INFO_IE_, &len, ie_len-sizeof(struct ndis_802_11_fixed_ie));
+
+ /* update cur_bwmode & cur_ch_offset */
+ if ((pregistrypriv->cbw40_enable) &&
+ (le16_to_cpu(pmlmeinfo->HT_caps.u.HT_cap_element.HT_caps_info) & BIT(1)) &&
+ (pmlmeinfo->HT_info.infos[0] & BIT(2))) {
+ int i;
+ u8 rf_type;
+
+ padapter->HalFunc.GetHwRegHandler(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
+
+ /* update the MCS rates */
+ for (i = 0; i < 16; i++) {
+ if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
+ pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
+ else
+ pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
+ }
+ /* switch to the 40M Hz mode 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.u.HT_cap_element.HT_caps_info) & 0x0C) >> 2;
+ if (pmlmeinfo->SM_PS == WLAN_HT_CAP_SM_PS_STATIC)
+ DBG_88E("%s(): WLAN_HT_CAP_SM_PS_STATIC\n", __func__);
+
+ /* Config current HT Protection mode. */
+ pmlmeinfo->HT_protection = pmlmeinfo->HT_info.infos[1] & 0x3;
+}
+
+void rtw_issue_addbareq_cmd(struct adapter *padapter, struct xmit_frame *pxmitframe)
+{
+ u8 issued;
+ int priority;
+ struct sta_info *psta = NULL;
+ struct ht_priv *phtpriv;
+ struct pkt_attrib *pattrib = &pxmitframe->attrib;
+ s32 bmcst = IS_MCAST(pattrib->ra);
+
+ if (bmcst || (padapter->mlmepriv.LinkDetectInfo.NumTxOkInPeriod < 100))
+ return;
+
+ priority = pattrib->priority;
+
+ if (pattrib->psta)
+ psta = pattrib->psta;
+ else
+ psta = rtw_get_stainfo(&padapter->stapriv, pattrib->ra);
+
+ if (psta == NULL)
+ return;
+
+ phtpriv = &psta->htpriv;
+
+ if ((phtpriv->ht_option) && (phtpriv->ampdu_enable)) {
+ issued = (phtpriv->agg_enable_bitmap>>priority)&0x1;
+ issued |= (phtpriv->candidate_tid_bitmap>>priority)&0x1;
+
+ if (0 == issued) {
+ DBG_88E("rtw_issue_addbareq_cmd, p=%d\n", priority);
+ psta->htpriv.candidate_tid_bitmap |= BIT((u8)priority);
+ rtw_addbareq_cmd(padapter, (u8)priority, pattrib->ra);
+ }
+ }
+}
+
+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 != NULL)
+ pnetwork = tgt_network;
+ else
+ pnetwork = &pmlmepriv->cur_network;
+
+ if (0 < pmlmepriv->to_roaming) {
+ DBG_88E("roaming from %s(%pM length:%d\n",
+ pnetwork->network.Ssid.Ssid, pnetwork->network.MacAddress,
+ pnetwork->network.Ssid.SsidLength);
+ 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 (_SUCCESS == do_join_r) {
+ break;
+ } else {
+ DBG_88E("roaming do_join return %d\n", do_join_r);
+ pmlmepriv->to_roaming--;
+
+ if (0 < pmlmepriv->to_roaming) {
+ continue;
+ } else {
+ DBG_88E("%s(%d) -to roaming fail, indicate_disconnect\n", __func__, __LINE__);
+ rtw_indicate_disconnect(padapter);
+ break;
+ }
+ }
+ }
+ }
+}
Code Review / kvmfornfv.git / blobdiff