--- /dev/null
+/******************************************************************************
+ * rtl871x_mlme.c
+ *
+ * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
+ * Linux device driver for RTL8192SU
+ *
+ * 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
+ *
+ * Modifications for inclusion into the Linux staging tree are
+ * Copyright(c) 2010 Larry Finger. All rights reserved.
+ *
+ * Contact information:
+ * WLAN FAE <wlanfae@realtek.com>
+ * Larry Finger <Larry.Finger@lwfinger.net>
+ *
+ ******************************************************************************/
+
+#define _RTL871X_MLME_C_
+
+#include "osdep_service.h"
+#include "drv_types.h"
+#include "recv_osdep.h"
+#include "xmit_osdep.h"
+#include "mlme_osdep.h"
+#include "sta_info.h"
+#include "wifi.h"
+#include "wlan_bssdef.h"
+
+static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len);
+
+static sint _init_mlme_priv(struct _adapter *padapter)
+{
+ sint i;
+ u8 *pbuf;
+ struct wlan_network *pnetwork;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+ memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv));
+ pmlmepriv->nic_hdl = (u8 *)padapter;
+ pmlmepriv->pscanned = NULL;
+ pmlmepriv->fw_state = 0;
+ pmlmepriv->cur_network.network.InfrastructureMode =
+ Ndis802_11AutoUnknown;
+ spin_lock_init(&(pmlmepriv->lock));
+ spin_lock_init(&(pmlmepriv->lock2));
+ _init_queue(&(pmlmepriv->free_bss_pool));
+ _init_queue(&(pmlmepriv->scanned_queue));
+ set_scanned_network_val(pmlmepriv, 0);
+ memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
+ pbuf = _malloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
+ if (pbuf == NULL)
+ return _FAIL;
+ pmlmepriv->free_bss_buf = pbuf;
+ pnetwork = (struct wlan_network *)pbuf;
+ for (i = 0; i < MAX_BSS_CNT; i++) {
+ _init_listhead(&(pnetwork->list));
+ list_insert_tail(&(pnetwork->list),
+ &(pmlmepriv->free_bss_pool.queue));
+ pnetwork++;
+ }
+ pmlmepriv->sitesurveyctrl.last_rx_pkts = 0;
+ pmlmepriv->sitesurveyctrl.last_tx_pkts = 0;
+ pmlmepriv->sitesurveyctrl.traffic_busy = false;
+ /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
+ r8712_init_mlme_timer(padapter);
+ return _SUCCESS;
+}
+
+struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv)
+{
+ unsigned long irqL;
+ struct wlan_network *pnetwork;
+ struct __queue *free_queue = &pmlmepriv->free_bss_pool;
+ struct list_head *plist = NULL;
+
+ if (_queue_empty(free_queue) == true)
+ return NULL;
+ spin_lock_irqsave(&free_queue->lock, irqL);
+ plist = get_next(&(free_queue->queue));
+ pnetwork = LIST_CONTAINOR(plist , struct wlan_network, list);
+ list_delete(&pnetwork->list);
+ pnetwork->last_scanned = jiffies;
+ pmlmepriv->num_of_scanned++;
+ spin_unlock_irqrestore(&free_queue->lock, irqL);
+ return pnetwork;
+}
+
+static void _free_network(struct mlme_priv *pmlmepriv,
+ struct wlan_network *pnetwork)
+{
+ u32 curr_time, delta_time;
+ unsigned long irqL;
+ struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
+
+ if (pnetwork == NULL)
+ return;
+ if (pnetwork->fixed == true)
+ return;
+ curr_time = jiffies;
+ delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ;
+ if (delta_time < SCANQUEUE_LIFETIME)
+ return;
+ spin_lock_irqsave(&free_queue->lock, irqL);
+ list_delete(&pnetwork->list);
+ list_insert_tail(&pnetwork->list, &free_queue->queue);
+ pmlmepriv->num_of_scanned--;
+ spin_unlock_irqrestore(&free_queue->lock, irqL);
+}
+
+static void _free_network_nolock(struct mlme_priv *pmlmepriv,
+ struct wlan_network *pnetwork)
+{
+ struct __queue *free_queue = &pmlmepriv->free_bss_pool;
+
+ if (pnetwork == NULL)
+ return;
+ if (pnetwork->fixed == true)
+ return;
+ list_delete(&pnetwork->list);
+ list_insert_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...
+*/
+static struct wlan_network *_r8712_find_network(struct __queue *scanned_queue,
+ u8 *addr)
+{
+ unsigned long irqL;
+ 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))
+ return NULL;
+ spin_lock_irqsave(&scanned_queue->lock, irqL);
+ phead = get_list_head(scanned_queue);
+ plist = get_next(phead);
+ while (plist != phead) {
+ pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
+ plist = get_next(plist);
+ if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
+ break;
+ }
+ spin_unlock_irqrestore(&scanned_queue->lock, irqL);
+ return pnetwork;
+}
+
+static void _free_network_queue(struct _adapter *padapter)
+{
+ unsigned long irqL;
+ struct list_head *phead, *plist;
+ struct wlan_network *pnetwork;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
+
+ spin_lock_irqsave(&scanned_queue->lock, irqL);
+ phead = get_list_head(scanned_queue);
+ plist = get_next(phead);
+ while (end_of_queue_search(phead, plist) == false) {
+ pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
+ plist = get_next(plist);
+ _free_network(pmlmepriv, pnetwork);
+ }
+ spin_unlock_irqrestore(&scanned_queue->lock, irqL);
+}
+
+sint r8712_if_up(struct _adapter *padapter)
+{
+ sint res;
+
+ if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
+ (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
+ res = false;
+ } else
+ res = true;
+ return res;
+}
+
+void r8712_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);
+ pibss[4] = (u8)((curtime>>8) & 0xff);
+ pibss[5] = (u8)((curtime>>16) & 0xff);
+}
+
+uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss)
+{
+ uint t_len;
+
+ t_len = sizeof(u32) + 6 * sizeof(unsigned long) + 2 +
+ sizeof(struct ndis_802_11_ssid) + sizeof(u32) +
+ sizeof(s32) +
+ sizeof(enum NDIS_802_11_NETWORK_TYPE) +
+ sizeof(struct NDIS_802_11_CONFIGURATION) +
+ sizeof(enum NDIS_802_11_NETWORK_INFRASTRUCTURE) +
+ sizeof(NDIS_802_11_RATES_EX) +
+ sizeof(u32) + bss->IELength;
+ return t_len;
+}
+
+u8 *r8712_get_capability_from_ie(u8 *ie)
+{
+ return ie + 8 + 2;
+}
+
+int r8712_init_mlme_priv(struct _adapter *padapter)
+{
+ return _init_mlme_priv(padapter);
+}
+
+void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
+{
+ kfree(pmlmepriv->free_bss_buf);
+}
+
+static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
+{
+ return _r8712_alloc_network(pmlmepriv);
+}
+
+static void free_network_nolock(struct mlme_priv *pmlmepriv,
+ struct wlan_network *pnetwork)
+{
+ _free_network_nolock(pmlmepriv, pnetwork);
+}
+
+void r8712_free_network_queue(struct _adapter *dev)
+{
+ _free_network_queue(dev);
+}
+
+/*
+ return the wlan_network with the matching addr
+
+ Shall be calle under atomic context...
+ to avoid possible racing condition...
+*/
+static struct wlan_network *r8712_find_network(struct __queue *scanned_queue,
+ u8 *addr)
+{
+ struct wlan_network *pnetwork = _r8712_find_network(scanned_queue,
+ addr);
+
+ return pnetwork;
+}
+
+int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
+{
+ int ret = true;
+ struct security_priv *psecuritypriv = &adapter->securitypriv;
+
+ if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
+ (pnetwork->network.Privacy == 0))
+ ret = false;
+ else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
+ (pnetwork->network.Privacy == 1))
+ ret = false;
+ else
+ ret = true;
+ return ret;
+
+}
+
+static int is_same_network(struct ndis_wlan_bssid_ex *src,
+ struct ndis_wlan_bssid_ex *dst)
+{
+ u16 s_cap, d_cap;
+
+ memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
+ memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
+ return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
+ (src->Configuration.DSConfig ==
+ dst->Configuration.DSConfig) &&
+ ((!memcmp(src->MacAddress, dst->MacAddress,
+ ETH_ALEN))) &&
+ ((!memcmp(src->Ssid.Ssid,
+ dst->Ssid.Ssid,
+ src->Ssid.SsidLength))) &&
+ ((s_cap & WLAN_CAPABILITY_IBSS) ==
+ (d_cap & WLAN_CAPABILITY_IBSS)) &&
+ ((s_cap & WLAN_CAPABILITY_BSS) ==
+ (d_cap & WLAN_CAPABILITY_BSS));
+
+}
+
+struct wlan_network *r8712_get_oldest_wlan_network(
+ struct __queue *scanned_queue)
+{
+ struct list_head *plist, *phead;
+ struct wlan_network *pwlan = NULL;
+ struct wlan_network *oldest = NULL;
+
+ phead = get_list_head(scanned_queue);
+ plist = get_next(phead);
+ while (1) {
+ if (end_of_queue_search(phead, plist) == true)
+ break;
+ pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
+ if (pwlan->fixed != true) {
+ if (oldest == NULL ||
+ time_after((unsigned long)oldest->last_scanned,
+ (unsigned long)pwlan->last_scanned))
+ oldest = pwlan;
+ }
+ plist = get_next(plist);
+ }
+ return oldest;
+}
+
+static void update_network(struct ndis_wlan_bssid_ex *dst,
+ struct ndis_wlan_bssid_ex *src,
+ struct _adapter *padapter)
+{
+ u32 last_evm = 0, tmpVal;
+
+ if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
+ is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
+ if (padapter->recvpriv.signal_qual_data.total_num++ >=
+ PHY_LINKQUALITY_SLID_WIN_MAX) {
+ padapter->recvpriv.signal_qual_data.total_num =
+ PHY_LINKQUALITY_SLID_WIN_MAX;
+ last_evm = padapter->recvpriv.signal_qual_data.
+ elements[padapter->recvpriv.
+ signal_qual_data.index];
+ padapter->recvpriv.signal_qual_data.total_val -=
+ last_evm;
+ }
+ padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
+
+ padapter->recvpriv.signal_qual_data.
+ elements[padapter->recvpriv.signal_qual_data.
+ index++] = src->Rssi;
+ if (padapter->recvpriv.signal_qual_data.index >=
+ PHY_LINKQUALITY_SLID_WIN_MAX)
+ padapter->recvpriv.signal_qual_data.index = 0;
+ /* <1> Showed on UI for user, in percentage. */
+ tmpVal = padapter->recvpriv.signal_qual_data.total_val /
+ padapter->recvpriv.signal_qual_data.total_num;
+ padapter->recvpriv.signal = (u8)tmpVal;
+
+ src->Rssi = padapter->recvpriv.signal;
+ } else
+ src->Rssi = (src->Rssi + dst->Rssi) / 2;
+ memcpy((u8 *)dst, (u8 *)src, r8712_get_ndis_wlan_bssid_ex_sz(src));
+}
+
+static void update_current_network(struct _adapter *adapter,
+ struct ndis_wlan_bssid_ex *pnetwork)
+{
+ struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
+
+ if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
+ update_network(&(pmlmepriv->cur_network.network),
+ pnetwork, adapter);
+ r8712_update_protection(adapter,
+ (pmlmepriv->cur_network.network.IEs) +
+ sizeof(struct NDIS_802_11_FIXED_IEs),
+ pmlmepriv->cur_network.network.IELength);
+ }
+}
+
+/*
+Caller must hold pmlmepriv->lock first.
+*/
+static void update_scanned_network(struct _adapter *adapter,
+ struct ndis_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;
+
+ phead = get_list_head(queue);
+ plist = get_next(phead);
+
+ while (1) {
+ if (end_of_queue_search(phead, plist) == true)
+ break;
+
+ pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
+ if (is_same_network(&pnetwork->network, target))
+ break;
+ if ((oldest == ((struct wlan_network *)0)) ||
+ time_after((unsigned long)oldest->last_scanned,
+ (unsigned long)pnetwork->last_scanned))
+ oldest = pnetwork;
+
+ plist = get_next(plist);
+ }
+
+
+ /* If we didn't find a match, then get a new network slot to initialize
+ * with this beacon's information */
+ if (end_of_queue_search(phead, plist) == true) {
+ if (_queue_empty(&pmlmepriv->free_bss_pool) == true) {
+ /* If there are no more slots, expire the oldest */
+ pnetwork = oldest;
+ target->Rssi = (pnetwork->network.Rssi +
+ target->Rssi) / 2;
+ memcpy(&pnetwork->network, target,
+ r8712_get_ndis_wlan_bssid_ex_sz(target));
+ pnetwork->last_scanned = jiffies;
+ } else {
+ /* Otherwise just pull from the free list */
+ /* update scan_time */
+ pnetwork = alloc_network(pmlmepriv);
+ if (pnetwork == NULL)
+ return;
+ bssid_ex_sz = r8712_get_ndis_wlan_bssid_ex_sz(target);
+ target->Length = bssid_ex_sz;
+ memcpy(&pnetwork->network, target, bssid_ex_sz);
+ list_insert_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
+ */
+ update_network(&pnetwork->network, target, adapter);
+ pnetwork->last_scanned = jiffies;
+ }
+}
+
+static void rtl8711_add_network(struct _adapter *adapter,
+ struct ndis_wlan_bssid_ex *pnetwork)
+{
+ unsigned long irqL;
+ struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
+ struct __queue *queue = &pmlmepriv->scanned_queue;
+
+ spin_lock_irqsave(&queue->lock, irqL);
+ update_current_network(adapter, pnetwork);
+ update_scanned_network(adapter, pnetwork);
+ spin_unlock_irqrestore(&queue->lock, irqL);
+}
+
+/*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 is_desired_network(struct _adapter *adapter,
+ struct wlan_network *pnetwork)
+{
+ u8 wps_ie[512];
+ uint wps_ielen;
+ int bselected = true;
+ struct security_priv *psecuritypriv = &adapter->securitypriv;
+
+ if (psecuritypriv->wps_phase == true) {
+ if (r8712_get_wps_ie(pnetwork->network.IEs,
+ pnetwork->network.IELength, wps_ie,
+ &wps_ielen) == true)
+ return true;
+ else
+ return false;
+ }
+ if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
+ (pnetwork->network.Privacy == 0))
+ bselected = false;
+ return bselected;
+}
+
+/* TODO: Perry : For Power Management */
+void r8712_atimdone_event_callback(struct _adapter *adapter , u8 *pbuf)
+{
+}
+
+void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
+{
+ unsigned long flags;
+ u32 len;
+ struct ndis_wlan_bssid_ex *pnetwork;
+ struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
+
+ pnetwork = (struct ndis_wlan_bssid_ex *)pbuf;
+#ifdef __BIG_ENDIAN
+ /* endian_convert */
+ pnetwork->Length = le32_to_cpu(pnetwork->Length);
+ pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
+ pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
+ pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
+ pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
+ pnetwork->Configuration.ATIMWindow =
+ le32_to_cpu(pnetwork->Configuration.ATIMWindow);
+ pnetwork->Configuration.BeaconPeriod =
+ le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
+ pnetwork->Configuration.DSConfig =
+ le32_to_cpu(pnetwork->Configuration.DSConfig);
+ pnetwork->Configuration.FHConfig.DwellTime =
+ le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
+ pnetwork->Configuration.FHConfig.HopPattern =
+ le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
+ pnetwork->Configuration.FHConfig.HopSet =
+ le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
+ pnetwork->Configuration.FHConfig.Length =
+ le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
+ pnetwork->Configuration.Length =
+ le32_to_cpu(pnetwork->Configuration.Length);
+ pnetwork->InfrastructureMode =
+ le32_to_cpu(pnetwork->InfrastructureMode);
+ pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
+#endif
+ len = r8712_get_ndis_wlan_bssid_ex_sz(pnetwork);
+ if (len > sizeof(struct wlan_bssid_ex))
+ return;
+ spin_lock_irqsave(&pmlmepriv->lock2, flags);
+ /* 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);
+ ibss_wlan = r8712_find_network(
+ &pmlmepriv->scanned_queue,
+ pnetwork->MacAddress);
+ if (!ibss_wlan) {
+ memcpy(ibss_wlan->network.IEs,
+ pnetwork->IEs, 8);
+ goto exit;
+ }
+ }
+ }
+ /* lock pmlmepriv->lock when you accessing network_q */
+ if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == false) {
+ if (pnetwork->Ssid.Ssid[0] != 0)
+ rtl8711_add_network(adapter, pnetwork);
+ else {
+ pnetwork->Ssid.SsidLength = 8;
+ memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
+ rtl8711_add_network(adapter, pnetwork);
+ }
+ }
+exit:
+ spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
+}
+
+void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
+{
+ unsigned long irqL;
+ struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
+
+ spin_lock_irqsave(&pmlmepriv->lock, irqL);
+
+ if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
+ u8 timer_cancelled;
+
+ _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
+
+ _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
+ }
+
+ if (pmlmepriv->to_join == true) {
+ if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
+ if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
+ set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
+
+ if (r8712_select_and_join_from_scan(pmlmepriv)
+ == _SUCCESS)
+ _set_timer(&pmlmepriv->assoc_timer,
+ MAX_JOIN_TIMEOUT);
+ else {
+ struct wlan_bssid_ex *pdev_network =
+ &(adapter->registrypriv.dev_network);
+ u8 *pibss =
+ adapter->registrypriv.
+ dev_network.MacAddress;
+ pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
+ memset(&pdev_network->Ssid, 0,
+ sizeof(struct
+ ndis_802_11_ssid));
+ memcpy(&pdev_network->Ssid,
+ &pmlmepriv->assoc_ssid,
+ sizeof(struct
+ ndis_802_11_ssid));
+ r8712_update_registrypriv_dev_network
+ (adapter);
+ r8712_generate_random_ibss(pibss);
+ pmlmepriv->fw_state =
+ WIFI_ADHOC_MASTER_STATE;
+ pmlmepriv->to_join = false;
+ }
+ }
+ } else {
+ pmlmepriv->to_join = false;
+ set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
+ if (r8712_select_and_join_from_scan(pmlmepriv) ==
+ _SUCCESS)
+ _set_timer(&pmlmepriv->assoc_timer,
+ MAX_JOIN_TIMEOUT);
+ else
+ _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
+ }
+ }
+ spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
+}
+
+/*
+ *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
+ */
+void r8712_free_assoc_resources(struct _adapter *adapter)
+{
+ unsigned long irqL;
+ 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;
+
+ pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
+ tgt_network->network.MacAddress);
+
+ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
+ struct sta_info *psta;
+
+ psta = r8712_get_stainfo(&adapter->stapriv,
+ tgt_network->network.MacAddress);
+
+ spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
+ r8712_free_stainfo(adapter, psta);
+ spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
+ }
+
+ if (check_fwstate(pmlmepriv,
+ WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE))
+ r8712_free_all_stainfo(adapter);
+ if (pwlan)
+ pwlan->fixed = false;
+
+ if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
+ (adapter->stapriv.asoc_sta_count == 1)))
+ free_network_nolock(pmlmepriv, pwlan);
+}
+
+/*
+*r8712_indicate_connect: the caller has to lock pmlmepriv->lock
+*/
+void r8712_indicate_connect(struct _adapter *padapter)
+{
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+ pmlmepriv->to_join = false;
+ set_fwstate(pmlmepriv, _FW_LINKED);
+ padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
+ r8712_os_indicate_connect(padapter);
+ if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
+ _set_timer(&pmlmepriv->dhcp_timer, 60000);
+}
+
+
+/*
+*r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
+*/
+void r8712_ind_disconnect(struct _adapter *padapter)
+{
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+
+ _clr_fwstate_(pmlmepriv, _FW_LINKED);
+ padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
+ r8712_os_indicate_disconnect(padapter);
+ if (padapter->pwrctrlpriv.pwr_mode !=
+ padapter->registrypriv.power_mgnt) {
+ _cancel_timer_ex(&pmlmepriv->dhcp_timer);
+ r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
+ padapter->registrypriv.smart_ps);
+ }
+}
+
+/*Notes:
+ *pnetwork : returns from r8712_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 r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
+{
+ unsigned long irqL = 0, irqL2;
+ u8 timer_cancelled;
+ struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
+ struct sta_priv *pstapriv = &adapter->stapriv;
+ struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
+ struct wlan_network *cur_network = &pmlmepriv->cur_network;
+ struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
+ unsigned int the_same_macaddr = false;
+ struct wlan_network *pnetwork;
+
+ if (sizeof(struct list_head) == 4 * sizeof(u32)) {
+ pnetwork = (struct wlan_network *)
+ _malloc(sizeof(struct wlan_network));
+ memcpy((u8 *)pnetwork+16, (u8 *)pbuf + 8,
+ sizeof(struct wlan_network) - 16);
+ } else
+ pnetwork = (struct wlan_network *)pbuf;
+
+#ifdef __BIG_ENDIAN
+ /* endian_convert */
+ pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
+ pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
+ pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
+ pnetwork->network.Ssid.SsidLength =
+ le32_to_cpu(pnetwork->network.Ssid.SsidLength);
+ pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
+ pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
+ pnetwork->network.NetworkTypeInUse =
+ le32_to_cpu(pnetwork->network.NetworkTypeInUse);
+ pnetwork->network.Configuration.ATIMWindow =
+ le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
+ pnetwork->network.Configuration.BeaconPeriod =
+ le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
+ pnetwork->network.Configuration.DSConfig =
+ le32_to_cpu(pnetwork->network.Configuration.DSConfig);
+ pnetwork->network.Configuration.FHConfig.DwellTime =
+ le32_to_cpu(pnetwork->network.Configuration.FHConfig.
+ DwellTime);
+ pnetwork->network.Configuration.FHConfig.HopPattern =
+ le32_to_cpu(pnetwork->network.Configuration.
+ FHConfig.HopPattern);
+ pnetwork->network.Configuration.FHConfig.HopSet =
+ le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
+ pnetwork->network.Configuration.FHConfig.Length =
+ le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
+ pnetwork->network.Configuration.Length =
+ le32_to_cpu(pnetwork->network.Configuration.Length);
+ pnetwork->network.InfrastructureMode =
+ le32_to_cpu(pnetwork->network.InfrastructureMode);
+ pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
+#endif
+
+ the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
+ cur_network->network.MacAddress, ETH_ALEN);
+ pnetwork->network.Length =
+ r8712_get_ndis_wlan_bssid_ex_sz(&pnetwork->network);
+ spin_lock_irqsave(&pmlmepriv->lock, irqL);
+ if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
+ goto ignore_joinbss_callback;
+ if (pnetwork->join_res > 0) {
+ if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
+ /*s1. find ptarget_wlan*/
+ if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
+ if (the_same_macaddr == true)
+ ptarget_wlan =
+ r8712_find_network(&pmlmepriv->
+ scanned_queue,
+ cur_network->network.MacAddress);
+ else {
+ pcur_wlan =
+ r8712_find_network(&pmlmepriv->
+ scanned_queue,
+ cur_network->network.MacAddress);
+ pcur_wlan->fixed = false;
+
+ pcur_sta = r8712_get_stainfo(pstapriv,
+ cur_network->network.MacAddress);
+ spin_lock_irqsave(&pstapriv->
+ sta_hash_lock, irqL2);
+ r8712_free_stainfo(adapter, pcur_sta);
+ spin_unlock_irqrestore(&(pstapriv->
+ sta_hash_lock), irqL2);
+
+ ptarget_wlan =
+ r8712_find_network(&pmlmepriv->
+ scanned_queue,
+ pnetwork->network.
+ MacAddress);
+ if (ptarget_wlan)
+ ptarget_wlan->fixed = true;
+ }
+ } else {
+ ptarget_wlan = r8712_find_network(&pmlmepriv->
+ scanned_queue,
+ pnetwork->network.MacAddress);
+ if (ptarget_wlan)
+ ptarget_wlan->fixed = true;
+ }
+
+ if (ptarget_wlan == NULL) {
+ if (check_fwstate(pmlmepriv,
+ _FW_UNDER_LINKING))
+ pmlmepriv->fw_state ^=
+ _FW_UNDER_LINKING;
+ goto ignore_joinbss_callback;
+ }
+
+ /*s2. find ptarget_sta & update ptarget_sta*/
+ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
+ if (the_same_macaddr == true) {
+ ptarget_sta =
+ r8712_get_stainfo(pstapriv,
+ pnetwork->network.MacAddress);
+ if (ptarget_sta == NULL)
+ ptarget_sta =
+ r8712_alloc_stainfo(pstapriv,
+ pnetwork->network.MacAddress);
+ } else
+ ptarget_sta =
+ r8712_alloc_stainfo(pstapriv,
+ pnetwork->network.MacAddress);
+ if (ptarget_sta) /*update ptarget_sta*/ {
+ ptarget_sta->aid = pnetwork->join_res;
+ ptarget_sta->qos_option = 1;
+ ptarget_sta->mac_id = 5;
+ if (adapter->securitypriv.
+ AuthAlgrthm == 2) {
+ adapter->securitypriv.
+ binstallGrpkey =
+ false;
+ adapter->securitypriv.
+ busetkipkey =
+ false;
+ adapter->securitypriv.
+ bgrpkey_handshake =
+ false;
+ ptarget_sta->ieee8021x_blocked
+ = true;
+ ptarget_sta->XPrivacy =
+ adapter->securitypriv.
+ PrivacyAlgrthm;
+ memset((u8 *)&ptarget_sta->
+ x_UncstKey,
+ 0,
+ sizeof(union Keytype));
+ memset((u8 *)&ptarget_sta->
+ tkiprxmickey,
+ 0,
+ sizeof(union Keytype));
+ memset((u8 *)&ptarget_sta->
+ tkiptxmickey,
+ 0,
+ sizeof(union Keytype));
+ memset((u8 *)&ptarget_sta->
+ txpn, 0,
+ sizeof(union pn48));
+ memset((u8 *)&ptarget_sta->
+ rxpn, 0,
+ sizeof(union pn48));
+ }
+ } else {
+ if (check_fwstate(pmlmepriv,
+ _FW_UNDER_LINKING))
+ pmlmepriv->fw_state ^=
+ _FW_UNDER_LINKING;
+ goto ignore_joinbss_callback;
+ }
+ }
+
+ /*s3. update cur_network & indicate connect*/
+ memcpy(&cur_network->network, &pnetwork->network,
+ pnetwork->network.Length);
+ cur_network->aid = pnetwork->join_res;
+ /*update fw_state will clr _FW_UNDER_LINKING*/
+ switch (pnetwork->network.InfrastructureMode) {
+ case Ndis802_11Infrastructure:
+ pmlmepriv->fw_state = WIFI_STATION_STATE;
+ break;
+ case Ndis802_11IBSS:
+ pmlmepriv->fw_state = WIFI_ADHOC_STATE;
+ break;
+ default:
+ pmlmepriv->fw_state = WIFI_NULL_STATE;
+ break;
+ }
+ r8712_update_protection(adapter,
+ (cur_network->network.IEs) +
+ sizeof(struct NDIS_802_11_FIXED_IEs),
+ (cur_network->network.IELength));
+ /*TODO: update HT_Capability*/
+ update_ht_cap(adapter, cur_network->network.IEs,
+ cur_network->network.IELength);
+ /*indicate connect*/
+ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
+ == true)
+ r8712_indicate_connect(adapter);
+ _cancel_timer(&pmlmepriv->assoc_timer,
+ &timer_cancelled);
+ } else
+ goto ignore_joinbss_callback;
+ } else {
+ if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
+ _set_timer(&pmlmepriv->assoc_timer, 1);
+ _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
+ }
+ }
+ignore_joinbss_callback:
+ spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
+ if (sizeof(struct list_head) == 4 * sizeof(u32))
+ kfree((u8 *)pnetwork);
+}
+
+void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
+{
+ unsigned long irqL;
+ struct sta_info *psta;
+ struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
+ struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
+
+ /* to do: */
+ if (r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr) == false)
+ return;
+ psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
+ if (psta != NULL) {
+ /*the sta have been in sta_info_queue => do nothing
+ *(between drv has received this event before and
+ * fw have not yet to set key to CAM_ENTRY) */
+ return;
+ }
+
+ psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
+ if (psta == NULL)
+ return;
+ /* to do : init sta_info variable */
+ psta->qos_option = 0;
+ psta->mac_id = le32_to_cpu((uint)pstassoc->cam_id);
+ /* psta->aid = (uint)pstassoc->cam_id; */
+
+ if (adapter->securitypriv.AuthAlgrthm == 2)
+ psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
+ psta->ieee8021x_blocked = false;
+ spin_lock_irqsave(&pmlmepriv->lock, irqL);
+ if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
+ (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
+ if (adapter->stapriv.asoc_sta_count == 2) {
+ /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
+ r8712_indicate_connect(adapter);
+ }
+ }
+ spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
+}
+
+void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
+{
+ unsigned long irqL, irqL2;
+ 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;
+
+ spin_lock_irqsave(&pmlmepriv->lock, irqL2);
+ if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
+ r8712_ind_disconnect(adapter);
+ r8712_free_assoc_resources(adapter);
+ }
+ if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
+ WIFI_ADHOC_STATE)) {
+ psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
+ spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
+ r8712_free_stainfo(adapter, psta);
+ spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
+ if (adapter->stapriv.asoc_sta_count == 1) {
+ /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
+ pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
+ tgt_network->network.MacAddress);
+ if (pwlan) {
+ pwlan->fixed = false;
+ free_network_nolock(pmlmepriv, pwlan);
+ }
+ /*re-create ibss*/
+ pdev_network = &(adapter->registrypriv.dev_network);
+ pibss = adapter->registrypriv.dev_network.MacAddress;
+ memcpy(pdev_network, &tgt_network->network,
+ r8712_get_ndis_wlan_bssid_ex_sz(&tgt_network->
+ network));
+ memset(&pdev_network->Ssid, 0,
+ sizeof(struct ndis_802_11_ssid));
+ memcpy(&pdev_network->Ssid,
+ &pmlmepriv->assoc_ssid,
+ sizeof(struct ndis_802_11_ssid));
+ r8712_update_registrypriv_dev_network(adapter);
+ r8712_generate_random_ibss(pibss);
+ if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
+ _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
+ set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
+ }
+ }
+ }
+ spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
+}
+
+void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
+{
+ struct reportpwrstate_parm *preportpwrstate =
+ (struct reportpwrstate_parm *)pbuf;
+
+ preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
+ r8712_cpwm_int_hdl(adapter, preportpwrstate);
+}
+
+/* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
+ * the ADDBA req frame with start seq control = 0 to wifi client after
+ * the WPA handshake and the seqence number of following data packet
+ * will be 0. In this case, the Rx reorder sequence is not longer than 0
+ * and the WiFi client will drop the data with seq number 0.
+ * So, the 8712 firmware has to inform driver with receiving the
+ * ADDBA-Req frame so that the driver can reset the
+ * sequence value of Rx reorder contorl.
+ */
+void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
+{
+ struct ADDBA_Req_Report_parm *pAddbareq_pram =
+ (struct ADDBA_Req_Report_parm *)pbuf;
+ struct sta_info *psta;
+ struct sta_priv *pstapriv = &adapter->stapriv;
+ struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
+
+ printk(KERN_INFO "r8712u: [%s] mac = %pM, seq = %d, tid = %d\n",
+ __func__, pAddbareq_pram->MacAddress,
+ pAddbareq_pram->StartSeqNum, pAddbareq_pram->tid);
+ psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
+ if (psta) {
+ precvreorder_ctrl =
+ &psta->recvreorder_ctrl[pAddbareq_pram->tid];
+ /* set the indicate_seq to 0xffff so that the rx reorder
+ * can store any following data packet.
+ */
+ precvreorder_ctrl->indicate_seq = 0xffff;
+ }
+}
+
+void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
+{
+ if (adapter->securitypriv.wps_hw_pbc_pressed == false)
+ adapter->securitypriv.wps_hw_pbc_pressed = true;
+}
+
+void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
+{
+ struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
+ struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
+ struct registry_priv *pregistrypriv = &adapter->registrypriv;
+ u64 current_tx_pkts;
+ uint current_rx_pkts;
+
+ current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
+ (psitesurveyctrl->last_tx_pkts);
+ current_rx_pkts = (adapter->recvpriv.rx_pkts) -
+ (psitesurveyctrl->last_rx_pkts);
+ psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
+ psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
+ if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
+ (current_rx_pkts > pregistrypriv->busy_thresh))
+ psitesurveyctrl->traffic_busy = true;
+ else
+ psitesurveyctrl->traffic_busy = false;
+}
+
+void _r8712_join_timeout_handler(struct _adapter *adapter)
+{
+ unsigned long irqL;
+ struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
+
+ if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
+ return;
+ spin_lock_irqsave(&pmlmepriv->lock, irqL);
+ _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
+ pmlmepriv->to_join = false;
+ if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
+ r8712_os_indicate_disconnect(adapter);
+ _clr_fwstate_(pmlmepriv, _FW_LINKED);
+ }
+ if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
+ r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
+ adapter->registrypriv.smart_ps);
+ }
+ spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
+}
+
+void r8712_scan_timeout_handler (struct _adapter *adapter)
+{
+ unsigned long irqL;
+ struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
+
+ spin_lock_irqsave(&pmlmepriv->lock, irqL);
+ _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
+ pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
+ spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
+}
+
+void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
+{
+ if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
+ return;
+ if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
+ r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
+ adapter->registrypriv.smart_ps);
+}
+
+void _r8712_wdg_timeout_handler(struct _adapter *adapter)
+{
+ r8712_wdg_wk_cmd(adapter);
+}
+
+int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
+{
+ struct list_head *phead;
+ unsigned char *dst_ssid, *src_ssid;
+ struct _adapter *adapter;
+ struct __queue *queue = NULL;
+ struct wlan_network *pnetwork = NULL;
+ struct wlan_network *pnetwork_max_rssi = NULL;
+
+ adapter = (struct _adapter *)pmlmepriv->nic_hdl;
+ queue = &pmlmepriv->scanned_queue;
+ phead = get_list_head(queue);
+ pmlmepriv->pscanned = get_next(phead);
+ while (1) {
+ if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) {
+ if ((pmlmepriv->assoc_by_rssi == true) &&
+ (pnetwork_max_rssi != NULL)) {
+ pnetwork = pnetwork_max_rssi;
+ goto ask_for_joinbss;
+ }
+ return _FAIL;
+ }
+ pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
+ struct wlan_network, list);
+ if (pnetwork == NULL)
+ return _FAIL;
+ pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
+ if (pmlmepriv->assoc_by_bssid == true) {
+ dst_ssid = pnetwork->network.MacAddress;
+ src_ssid = pmlmepriv->assoc_bssid;
+ if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
+ if (check_fwstate(pmlmepriv, _FW_LINKED)) {
+ if (is_same_network(&pmlmepriv->
+ cur_network.network,
+ &pnetwork->network)) {
+ _clr_fwstate_(pmlmepriv,
+ _FW_UNDER_LINKING);
+ /*r8712_indicate_connect again*/
+ r8712_indicate_connect(adapter);
+ return 2;
+ }
+ r8712_disassoc_cmd(adapter);
+ r8712_ind_disconnect(adapter);
+ r8712_free_assoc_resources(adapter);
+ }
+ goto ask_for_joinbss;
+ }
+ } else if (pmlmepriv->assoc_ssid.SsidLength == 0)
+ goto ask_for_joinbss;
+ dst_ssid = pnetwork->network.Ssid.Ssid;
+ src_ssid = pmlmepriv->assoc_ssid.Ssid;
+ if ((pnetwork->network.Ssid.SsidLength ==
+ pmlmepriv->assoc_ssid.SsidLength) &&
+ (!memcmp(dst_ssid, src_ssid,
+ pmlmepriv->assoc_ssid.SsidLength))) {
+ if (pmlmepriv->assoc_by_rssi == true) {
+ /* if the ssid is the same, select the bss
+ * which has the max rssi*/
+ if (pnetwork_max_rssi) {
+ if (pnetwork->network.Rssi >
+ pnetwork_max_rssi->network.Rssi)
+ pnetwork_max_rssi = pnetwork;
+ } else
+ pnetwork_max_rssi = pnetwork;
+ } else if (is_desired_network(adapter, pnetwork)) {
+ if (check_fwstate(pmlmepriv, _FW_LINKED)) {
+ r8712_disassoc_cmd(adapter);
+ r8712_free_assoc_resources(adapter);
+ }
+ goto ask_for_joinbss;
+ }
+ }
+ }
+ return _FAIL;
+ask_for_joinbss:
+ return r8712_joinbss_cmd(adapter, pnetwork);
+}
+
+sint r8712_set_auth(struct _adapter *adapter,
+ struct security_priv *psecuritypriv)
+{
+ struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
+ struct cmd_obj *pcmd;
+ struct setauth_parm *psetauthparm;
+ sint ret = _SUCCESS;
+
+ pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
+ if (pcmd == NULL)
+ return _FAIL;
+
+ psetauthparm = (struct setauth_parm *)_malloc(
+ sizeof(struct setauth_parm));
+ if (psetauthparm == NULL) {
+ kfree((unsigned char *)pcmd);
+ return _FAIL;
+ }
+ memset(psetauthparm, 0, sizeof(struct setauth_parm));
+ psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
+ pcmd->cmdcode = _SetAuth_CMD_;
+ pcmd->parmbuf = (unsigned char *)psetauthparm;
+ pcmd->cmdsz = sizeof(struct setauth_parm);
+ pcmd->rsp = NULL;
+ pcmd->rspsz = 0;
+ _init_listhead(&pcmd->list);
+ r8712_enqueue_cmd(pcmdpriv, pcmd);
+ return ret;
+}
+
+sint r8712_set_key(struct _adapter *adapter,
+ struct security_priv *psecuritypriv,
+ sint keyid)
+{
+ struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
+ struct cmd_obj *pcmd;
+ struct setkey_parm *psetkeyparm;
+ u8 keylen;
+
+ pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
+ if (pcmd == NULL)
+ return _FAIL;
+ psetkeyparm = (struct setkey_parm *)_malloc(sizeof(struct setkey_parm));
+ if (psetkeyparm == NULL) {
+ kfree((unsigned char *)pcmd);
+ return _FAIL;
+ }
+ memset(psetkeyparm, 0, sizeof(struct setkey_parm));
+ if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
+ psetkeyparm->algorithm =
+ (u8)psecuritypriv->XGrpPrivacy;
+ } else { /* WEP */
+ psetkeyparm->algorithm =
+ (u8)psecuritypriv->PrivacyAlgrthm;
+ }
+ psetkeyparm->keyid = (u8)keyid;
+
+ switch (psetkeyparm->algorithm) {
+ case _WEP40_:
+ keylen = 5;
+ memcpy(psetkeyparm->key,
+ psecuritypriv->DefKey[keyid].skey, keylen);
+ break;
+ case _WEP104_:
+ keylen = 13;
+ memcpy(psetkeyparm->key,
+ psecuritypriv->DefKey[keyid].skey, keylen);
+ break;
+ case _TKIP_:
+ keylen = 16;
+ memcpy(psetkeyparm->key,
+ &psecuritypriv->XGrpKey[keyid - 1], keylen);
+ psetkeyparm->grpkey = 1;
+ break;
+ case _AES_:
+ keylen = 16;
+ memcpy(psetkeyparm->key,
+ &psecuritypriv->XGrpKey[keyid - 1], keylen);
+ psetkeyparm->grpkey = 1;
+ break;
+ default:
+ return _FAIL;
+ }
+ pcmd->cmdcode = _SetKey_CMD_;
+ pcmd->parmbuf = (u8 *)psetkeyparm;
+ pcmd->cmdsz = (sizeof(struct setkey_parm));
+ pcmd->rsp = NULL;
+ pcmd->rspsz = 0;
+ _init_listhead(&pcmd->list);
+ r8712_enqueue_cmd(pcmdpriv, pcmd);
+ return _SUCCESS;
+}
+
+/* adjust IEs for r8712_joinbss_cmd in WMM */
+int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
+ uint in_len, uint initial_out_len)
+{
+ unsigned int ielength = 0;
+ unsigned int i, j;
+
+ i = 12; /* after the fixed IE */
+ while (i < in_len) {
+ ielength = initial_out_len;
+ if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
+ in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
+ in_ie[i + 5] == 0x02 && i + 5 < in_len) {
+ /*WMM element ID and OUI*/
+ for (j = i; j < i + 9; j++) {
+ out_ie[ielength] = in_ie[j];
+ ielength++;
+ }
+ out_ie[initial_out_len + 1] = 0x07;
+ out_ie[initial_out_len + 6] = 0x00;
+ out_ie[initial_out_len + 8] = 0x00;
+ break;
+ }
+ i += (in_ie[i + 1] + 2); /* to the next IE element */
+ }
+ return ielength;
+}
+
+/*
+ * Ported from 8185: IsInPreAuthKeyList().
+ *
+ * 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++;
+ } 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;
+}
+
+sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
+ u8 *out_ie, uint in_len)
+{
+ u8 authmode = 0, securitytype, match;
+ u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
+ u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
+ uint ielength, cnt, remove_cnt;
+ int iEntry;
+ struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
+ struct security_priv *psecuritypriv = &adapter->securitypriv;
+ uint ndisauthmode = psecuritypriv->ndisauthtype;
+ uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
+
+ if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
+ (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
+ authmode = _WPA_IE_ID_;
+ uncst_oui[0] = 0x0;
+ uncst_oui[1] = 0x50;
+ uncst_oui[2] = 0xf2;
+ }
+ if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
+ (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
+ authmode = _WPA2_IE_ID_;
+ uncst_oui[0] = 0x0;
+ uncst_oui[1] = 0x0f;
+ uncst_oui[2] = 0xac;
+ }
+ switch (ndissecuritytype) {
+ case Ndis802_11Encryption1Enabled:
+ case Ndis802_11Encryption1KeyAbsent:
+ securitytype = _WEP40_;
+ uncst_oui[3] = 0x1;
+ break;
+ case Ndis802_11Encryption2Enabled:
+ case Ndis802_11Encryption2KeyAbsent:
+ securitytype = _TKIP_;
+ uncst_oui[3] = 0x2;
+ break;
+ case Ndis802_11Encryption3Enabled:
+ case Ndis802_11Encryption3KeyAbsent:
+ securitytype = _AES_;
+ uncst_oui[3] = 0x4;
+ break;
+ default:
+ securitytype = _NO_PRIVACY_;
+ break;
+ }
+ /*Search required WPA or WPA2 IE and copy to sec_ie[] */
+ cnt = 12;
+ match = false;
+ while (cnt < in_len) {
+ if (in_ie[cnt] == authmode) {
+ if ((authmode == _WPA_IE_ID_) &&
+ (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
+ memcpy(&sec_ie[0], &in_ie[cnt],
+ in_ie[cnt + 1] + 2);
+ match = true;
+ break;
+ }
+ if (authmode == _WPA2_IE_ID_) {
+ memcpy(&sec_ie[0], &in_ie[cnt],
+ in_ie[cnt + 1] + 2);
+ match = true;
+ break;
+ }
+ if (((authmode == _WPA_IE_ID_) &&
+ (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
+ (authmode == _WPA2_IE_ID_))
+ memcpy(&bkup_ie[0], &in_ie[cnt],
+ in_ie[cnt + 1] + 2);
+ }
+ cnt += in_ie[cnt+1] + 2; /*get next*/
+ }
+ /*restruct WPA IE or WPA2 IE in sec_ie[] */
+ if (match == true) {
+ if (sec_ie[0] == _WPA_IE_ID_) {
+ /* parsing SSN IE to select required encryption
+ * algorithm, and set the bc/mc encryption algorithm */
+ while (true) {
+ /*check wpa_oui tag*/
+ if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
+ match = false;
+ break;
+ }
+ if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
+ /*IE Ver error*/
+ match = false;
+ break;
+ }
+ if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
+ /* get bc/mc encryption type (group
+ * key type)*/
+ switch (sec_ie[11]) {
+ case 0x0: /*none*/
+ psecuritypriv->XGrpPrivacy =
+ _NO_PRIVACY_;
+ break;
+ case 0x1: /*WEP_40*/
+ psecuritypriv->XGrpPrivacy =
+ _WEP40_;
+ break;
+ case 0x2: /*TKIP*/
+ psecuritypriv->XGrpPrivacy =
+ _TKIP_;
+ break;
+ case 0x3: /*AESCCMP*/
+ case 0x4:
+ psecuritypriv->XGrpPrivacy =
+ _AES_;
+ break;
+ case 0x5: /*WEP_104*/
+ psecuritypriv->XGrpPrivacy =
+ _WEP104_;
+ break;
+ }
+ } else {
+ match = false;
+ break;
+ }
+ if (sec_ie[12] == 0x01) {
+ /*check the unicast encryption type*/
+ if (memcmp(&sec_ie[14],
+ &uncst_oui[0], 4)) {
+ match = false;
+ break;
+
+ } /*else the uncst_oui is match*/
+ } else { /*mixed mode, unicast_enc_type > 1*/
+ /*select the uncst_oui and remove
+ * the other uncst_oui*/
+ cnt = sec_ie[12];
+ remove_cnt = (cnt-1) * 4;
+ sec_ie[12] = 0x01;
+ memcpy(&sec_ie[14], &uncst_oui[0], 4);
+ /*remove the other unicast suit*/
+ memcpy(&sec_ie[18],
+ &sec_ie[18 + remove_cnt],
+ sec_ie[1] - 18 + 2 -
+ remove_cnt);
+ sec_ie[1] = sec_ie[1] - remove_cnt;
+ }
+ break;
+ }
+ }
+ if (authmode == _WPA2_IE_ID_) {
+ /* parsing RSN IE to select required encryption
+ * algorithm, and set the bc/mc encryption algorithm */
+ while (true) {
+ if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
+ /*IE Ver error*/
+ match = false;
+ break;
+ }
+ if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
+ /*get bc/mc encryption type*/
+ switch (sec_ie[7]) {
+ case 0x1: /*WEP_40*/
+ psecuritypriv->XGrpPrivacy =
+ _WEP40_;
+ break;
+ case 0x2: /*TKIP*/
+ psecuritypriv->XGrpPrivacy =
+ _TKIP_;
+ break;
+ case 0x4: /*AESWRAP*/
+ psecuritypriv->XGrpPrivacy =
+ _AES_;
+ break;
+ case 0x5: /*WEP_104*/
+ psecuritypriv->XGrpPrivacy =
+ _WEP104_;
+ break;
+ default: /*one*/
+ psecuritypriv->XGrpPrivacy =
+ _NO_PRIVACY_;
+ break;
+ }
+ } else {
+ match = false;
+ break;
+ }
+ if (sec_ie[8] == 0x01) {
+ /*check the unicast encryption type*/
+ if (memcmp(&sec_ie[10],
+ &uncst_oui[0], 4)) {
+ match = false;
+ break;
+ } /*else the uncst_oui is match*/
+ } else { /*mixed mode, unicast_enc_type > 1*/
+ /*select the uncst_oui and remove the
+ * other uncst_oui*/
+ cnt = sec_ie[8];
+ remove_cnt = (cnt-1)*4;
+ sec_ie[8] = 0x01;
+ memcpy(&sec_ie[10], &uncst_oui[0], 4);
+ /*remove the other unicast suit*/
+ memcpy(&sec_ie[14],
+ &sec_ie[14 + remove_cnt],
+ (sec_ie[1] - 14 + 2 -
+ remove_cnt));
+ sec_ie[1] = sec_ie[1]-remove_cnt;
+ }
+ break;
+ }
+ }
+ }
+ if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
+ /*copy fixed ie*/
+ memcpy(out_ie, in_ie, 12);
+ ielength = 12;
+ /*copy RSN or SSN*/
+ if (match == true) {
+ memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1]+2);
+ ielength += sec_ie[1] + 2;
+ if (authmode == _WPA2_IE_ID_) {
+ /*the Pre-Authentication bit should be zero*/
+ out_ie[ielength - 1] = 0;
+ out_ie[ielength - 2] = 0;
+ }
+ r8712_report_sec_ie(adapter, authmode, sec_ie);
+ }
+ } else {
+ /*copy fixed ie only*/
+ memcpy(out_ie, in_ie, 12);
+ ielength = 12;
+ if (psecuritypriv->wps_phase == true) {
+ memcpy(out_ie+ielength, psecuritypriv->wps_ie,
+ psecuritypriv->wps_ie_len);
+ ielength += psecuritypriv->wps_ie_len;
+ }
+ }
+ iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
+ if (iEntry < 0)
+ return ielength;
+ else {
+ if (authmode == _WPA2_IE_ID_) {
+ out_ie[ielength] = 1;
+ ielength++;
+ out_ie[ielength] = 0; /*PMKID count = 0x0100*/
+ ielength++;
+ memcpy(&out_ie[ielength],
+ &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
+ ielength += 16;
+ out_ie[13] += 18;/*PMKID length = 2+16*/
+ }
+ }
+ return ielength;
+}
+
+void r8712_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_CONFIGURATION);
+ 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 r8712_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 = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
+ > 0 ? 1 : 0) ; /* adhoc no 802.1x */
+ pdev_network->Rssi = 0;
+ switch (pregistrypriv->wireless_mode) {
+ case WIRELESS_11B:
+ pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11DS);
+ break;
+ case WIRELESS_11G:
+ case WIRELESS_11BG:
+ pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24);
+ break;
+ case WIRELESS_11A:
+ pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5);
+ break;
+ default:
+ /* TODO */
+ break;
+ }
+ pdev_network->Configuration.DSConfig = cpu_to_le32(
+ pregistrypriv->channel);
+ if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
+ pdev_network->Configuration.ATIMWindow = cpu_to_le32(3);
+ pdev_network->InfrastructureMode = cpu_to_le32(
+ cur_network->network.InfrastructureMode);
+ /* 1. Supported rates
+ * 2. IE
+ */
+ sz = r8712_generate_ie(pregistrypriv, adapter);
+ pdev_network->IELength = sz;
+ pdev_network->Length = r8712_get_ndis_wlan_bssid_ex_sz(
+ (struct ndis_wlan_bssid_ex *)pdev_network);
+}
+
+/*the fucntion is at passive_level*/
+void r8712_joinbss_reset(struct _adapter *padapter)
+{
+ int i;
+ 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 */
+ phtpriv->ampdu_enable = false;/*reset to disabled*/
+ for (i = 0; i < 16; i++)
+ phtpriv->baddbareq_issued[i] = false;/*reset it*/
+ if (phtpriv->ht_option) {
+ /* validate usb rx aggregation */
+ r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
+ } else {
+ /* invalidate usb rx aggregation */
+ /* TH=1 => means that invalidate usb rx aggregation */
+ r8712_write8(padapter, 0x102500D9, 1);
+ }
+}
+
+/*the function is >= passive_level*/
+unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
+ u8 *out_ie, uint in_len, uint *pout_len)
+{
+ u32 ielen, out_len;
+ unsigned char *p, *pframe;
+ struct 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;
+
+ phtpriv->ht_option = 0;
+ p = r8712_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;
+ pframe = r8712_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 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_MAX_AMSDU |
+ IEEE80211_HT_CAP_DSSSCCK40;
+ ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
+ 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
+ pframe = r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
+ sizeof(struct ieee80211_ht_cap),
+ (unsigned char *)&ht_capie, pout_len);
+ phtpriv->ht_option = 1;
+ }
+ return phtpriv->ht_option;
+}
+
+/* the fucntion is > passive_level (in critical_section) */
+static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
+{
+ u8 *p, max_ampdu_sz;
+ int i, len;
+ struct sta_info *bmc_sta, *psta;
+ struct ieee80211_ht_cap *pht_capie;
+ struct ieee80211_ht_addt_info *pht_addtinfo;
+ struct recv_reorder_ctrl *preorder_ctrl;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct ht_priv *phtpriv = &pmlmepriv->htpriv;
+ struct registry_priv *pregistrypriv = &padapter->registrypriv;
+ struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
+
+ if (!phtpriv->ht_option)
+ return;
+ /* maybe needs check if ap supports rx ampdu. */
+ if ((phtpriv->ampdu_enable == false) &&
+ (pregistrypriv->ampdu_enable == 1))
+ phtpriv->ampdu_enable = true;
+ /*check Max Rx A-MPDU Size*/
+ len = 0;
+ p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
+ _HT_CAPABILITY_IE_,
+ &len, ie_len -
+ sizeof(struct NDIS_802_11_FIXED_IEs));
+ if (p && len > 0) {
+ pht_capie = (struct ieee80211_ht_cap *)(p+2);
+ max_ampdu_sz = (pht_capie->ampdu_params_info &
+ IEEE80211_HT_CAP_AMPDU_FACTOR);
+ /* max_ampdu_sz (kbytes); */
+ max_ampdu_sz = 1 << (max_ampdu_sz+3);
+ phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
+ }
+ /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
+ * if A-MPDU Rx is enabled, reseting rx_ordering_ctrl
+ * wstart_b(indicate_seq) to default value=0xffff
+ * todo: check if AP can send A-MPDU packets
+ */
+ bmc_sta = r8712_get_bcmc_stainfo(padapter);
+ if (bmc_sta) {
+ for (i = 0; i < 16; i++) {
+ preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
+ preorder_ctrl->indicate_seq = 0xffff;
+ preorder_ctrl->wend_b = 0xffff;
+ }
+ }
+ psta = r8712_get_stainfo(&padapter->stapriv,
+ pcur_network->network.MacAddress);
+ if (psta) {
+ for (i = 0; i < 16 ; i++) {
+ preorder_ctrl = &psta->recvreorder_ctrl[i];
+ preorder_ctrl->indicate_seq = 0xffff;
+ preorder_ctrl->wend_b = 0xffff;
+ }
+ }
+ len = 0;
+ p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
+ _HT_ADD_INFO_IE_, &len,
+ ie_len-sizeof(struct NDIS_802_11_FIXED_IEs));
+ if (p && len > 0)
+ pht_addtinfo = (struct ieee80211_ht_addt_info *)(p + 2);
+}
+
+void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
+{
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct ht_priv *phtpriv = &pmlmepriv->htpriv;
+
+ if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable == true)) {
+ if (phtpriv->baddbareq_issued[priority] == false) {
+ r8712_addbareq_cmd(padapter, (u8)priority);
+ phtpriv->baddbareq_issued[priority] = true;
+ }
+ }
+}
+
+/*the fucntion is >= passive_level*/
+unsigned int r8712_add_ht_addt_info(struct _adapter *padapter,
+ u8 *in_ie, u8 *out_ie,
+ uint in_len, uint *pout_len)
+{
+ u32 ielen, out_len = 0;
+ unsigned char *p, *pframe;
+ struct ieee80211_ht_addt_info ht_addt_info;
+ struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
+ struct ht_priv *phtpriv = &pmlmepriv->htpriv;
+ struct registry_priv *pregistrypriv = &padapter->registrypriv;
+ out_len = *pout_len;
+
+ if (pregistrypriv->ht_enable == 1) {
+ p = r8712_get_ie(in_ie+12, _HT_ADD_INFO_IE_,
+ &ielen, in_len - 12);
+ if (p && (ielen > 0)) {
+ ; /* dummy branch */
+ } else {
+ if (p == NULL) {
+ int sz = sizeof(struct ieee80211_ht_addt_info);
+ memset(&ht_addt_info, 0, sz);
+ /*need to add the HT additional IEs*/
+ ht_addt_info.control_chan =
+ pregistrypriv->channel;
+ pframe = r8712_set_ie(out_ie + out_len,
+ _HT_ADD_INFO_IE_,
+ sz,
+ (unsigned char *)&ht_addt_info,
+ pout_len);
+ }
+ }
+ }
+ return phtpriv->ht_option;
+}
projects / mv-sheeva.git / blobdiff