1 /******************************************************************************
4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
5 * Linux device driver for RTL8192SU
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of version 2 of the GNU General Public License as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
20 * Modifications for inclusion into the Linux staging tree are
21 * Copyright(c) 2010 Larry Finger. All rights reserved.
23 * Contact information:
24 * WLAN FAE <wlanfae@realtek.com>
25 * Larry Finger <Larry.Finger@lwfinger.net>
27 ******************************************************************************/
29 #define _RTL871X_MLME_C_
31 #include "osdep_service.h"
32 #include "drv_types.h"
33 #include "recv_osdep.h"
34 #include "xmit_osdep.h"
35 #include "mlme_osdep.h"
38 #include "wlan_bssdef.h"
40 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len);
42 static sint _init_mlme_priv(struct _adapter *padapter)
46 struct wlan_network *pnetwork;
47 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
49 memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv));
50 pmlmepriv->nic_hdl = (u8 *)padapter;
51 pmlmepriv->pscanned = NULL;
52 pmlmepriv->fw_state = 0;
53 pmlmepriv->cur_network.network.InfrastructureMode =
54 Ndis802_11AutoUnknown;
55 /* Maybe someday we should rename this variable to "active_mode"(Jeff)*/
56 pmlmepriv->passive_mode = 1; /* 1: active, 0: passive. */
57 spin_lock_init(&(pmlmepriv->lock));
58 spin_lock_init(&(pmlmepriv->lock2));
59 _init_queue(&(pmlmepriv->free_bss_pool));
60 _init_queue(&(pmlmepriv->scanned_queue));
61 set_scanned_network_val(pmlmepriv, 0);
62 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
63 pbuf = _malloc(MAX_BSS_CNT * (sizeof(struct wlan_network)));
66 pmlmepriv->free_bss_buf = pbuf;
67 pnetwork = (struct wlan_network *)pbuf;
68 for (i = 0; i < MAX_BSS_CNT; i++) {
69 _init_listhead(&(pnetwork->list));
70 list_insert_tail(&(pnetwork->list),
71 &(pmlmepriv->free_bss_pool.queue));
74 pmlmepriv->sitesurveyctrl.last_rx_pkts = 0;
75 pmlmepriv->sitesurveyctrl.last_tx_pkts = 0;
76 pmlmepriv->sitesurveyctrl.traffic_busy = false;
77 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
78 r8712_init_mlme_timer(padapter);
82 struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv)
85 struct wlan_network *pnetwork;
86 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
87 struct list_head *plist = NULL;
89 if (_queue_empty(free_queue) == true)
91 spin_lock_irqsave(&free_queue->lock, irqL);
92 plist = get_next(&(free_queue->queue));
93 pnetwork = LIST_CONTAINOR(plist , struct wlan_network, list);
94 list_delete(&pnetwork->list);
95 pnetwork->last_scanned = jiffies;
96 pmlmepriv->num_of_scanned++;
97 spin_unlock_irqrestore(&free_queue->lock, irqL);
101 static void _free_network(struct mlme_priv *pmlmepriv,
102 struct wlan_network *pnetwork)
104 u32 curr_time, delta_time;
106 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
108 if (pnetwork == NULL)
110 if (pnetwork->fixed == true)
113 delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ;
114 if (delta_time < SCANQUEUE_LIFETIME)
116 spin_lock_irqsave(&free_queue->lock, irqL);
117 list_delete(&pnetwork->list);
118 list_insert_tail(&pnetwork->list, &free_queue->queue);
119 pmlmepriv->num_of_scanned--;
120 spin_unlock_irqrestore(&free_queue->lock, irqL);
123 static void _free_network_nolock(struct mlme_priv *pmlmepriv,
124 struct wlan_network *pnetwork)
126 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
128 if (pnetwork == NULL)
130 if (pnetwork->fixed == true)
132 list_delete(&pnetwork->list);
133 list_insert_tail(&pnetwork->list, get_list_head(free_queue));
134 pmlmepriv->num_of_scanned--;
139 return the wlan_network with the matching addr
140 Shall be called under atomic context...
141 to avoid possible racing condition...
143 static struct wlan_network *_r8712_find_network(struct __queue *scanned_queue,
147 struct list_head *phead, *plist;
148 struct wlan_network *pnetwork = NULL;
149 u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0};
151 if (!memcmp(zero_addr, addr, ETH_ALEN))
153 spin_lock_irqsave(&scanned_queue->lock, irqL);
154 phead = get_list_head(scanned_queue);
155 plist = get_next(phead);
156 while (plist != phead) {
157 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
158 plist = get_next(plist);
159 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
162 spin_unlock_irqrestore(&scanned_queue->lock, irqL);
166 static void _free_network_queue(struct _adapter *padapter)
169 struct list_head *phead, *plist;
170 struct wlan_network *pnetwork;
171 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
172 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
174 spin_lock_irqsave(&scanned_queue->lock, irqL);
175 phead = get_list_head(scanned_queue);
176 plist = get_next(phead);
177 while (end_of_queue_search(phead, plist) == false) {
178 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
179 plist = get_next(plist);
180 _free_network(pmlmepriv, pnetwork);
182 spin_unlock_irqrestore(&scanned_queue->lock, irqL);
185 sint r8712_if_up(struct _adapter *padapter)
189 if (padapter->bDriverStopped || padapter->bSurpriseRemoved ||
190 (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) {
197 void r8712_generate_random_ibss(u8 *pibss)
199 u32 curtime = jiffies;
201 pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
204 pibss[3] = (u8)(curtime & 0xff);
205 pibss[4] = (u8)((curtime>>8) & 0xff);
206 pibss[5] = (u8)((curtime>>16) & 0xff);
209 uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss)
213 t_len = sizeof(u32) + 6 * sizeof(unsigned long) + 2 +
214 sizeof(struct ndis_802_11_ssid) + sizeof(u32) +
216 sizeof(enum NDIS_802_11_NETWORK_TYPE) +
217 sizeof(struct NDIS_802_11_CONFIGURATION) +
218 sizeof(enum NDIS_802_11_NETWORK_INFRASTRUCTURE) +
219 sizeof(NDIS_802_11_RATES_EX) +
220 sizeof(u32) + bss->IELength;
224 u8 *r8712_get_capability_from_ie(u8 *ie)
229 int r8712_init_mlme_priv(struct _adapter *padapter)
231 return _init_mlme_priv(padapter);
234 void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
236 kfree(pmlmepriv->free_bss_buf);
239 static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
241 return _r8712_alloc_network(pmlmepriv);
244 static void free_network_nolock(struct mlme_priv *pmlmepriv,
245 struct wlan_network *pnetwork)
247 _free_network_nolock(pmlmepriv, pnetwork);
250 void r8712_free_network_queue(struct _adapter *dev)
252 _free_network_queue(dev);
256 return the wlan_network with the matching addr
258 Shall be called under atomic context...
259 to avoid possible racing condition...
261 static struct wlan_network *r8712_find_network(struct __queue *scanned_queue,
264 struct wlan_network *pnetwork = _r8712_find_network(scanned_queue,
270 int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
273 struct security_priv *psecuritypriv = &adapter->securitypriv;
275 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
276 (pnetwork->network.Privacy == 0))
278 else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
279 (pnetwork->network.Privacy == 1))
287 static int is_same_network(struct ndis_wlan_bssid_ex *src,
288 struct ndis_wlan_bssid_ex *dst)
292 memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
293 memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
294 return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
295 (src->Configuration.DSConfig ==
296 dst->Configuration.DSConfig) &&
297 ((!memcmp(src->MacAddress, dst->MacAddress,
299 ((!memcmp(src->Ssid.Ssid,
301 src->Ssid.SsidLength))) &&
302 ((s_cap & WLAN_CAPABILITY_IBSS) ==
303 (d_cap & WLAN_CAPABILITY_IBSS)) &&
304 ((s_cap & WLAN_CAPABILITY_BSS) ==
305 (d_cap & WLAN_CAPABILITY_BSS));
309 struct wlan_network *r8712_get_oldest_wlan_network(
310 struct __queue *scanned_queue)
312 struct list_head *plist, *phead;
313 struct wlan_network *pwlan = NULL;
314 struct wlan_network *oldest = NULL;
316 phead = get_list_head(scanned_queue);
317 plist = get_next(phead);
319 if (end_of_queue_search(phead, plist) == true)
321 pwlan = LIST_CONTAINOR(plist, struct wlan_network, list);
322 if (pwlan->fixed != true) {
323 if (oldest == NULL ||
324 time_after((unsigned long)oldest->last_scanned,
325 (unsigned long)pwlan->last_scanned))
328 plist = get_next(plist);
333 static void update_network(struct ndis_wlan_bssid_ex *dst,
334 struct ndis_wlan_bssid_ex *src,
335 struct _adapter *padapter)
337 u32 last_evm = 0, tmpVal;
339 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
340 is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
341 if (padapter->recvpriv.signal_qual_data.total_num++ >=
342 PHY_LINKQUALITY_SLID_WIN_MAX) {
343 padapter->recvpriv.signal_qual_data.total_num =
344 PHY_LINKQUALITY_SLID_WIN_MAX;
345 last_evm = padapter->recvpriv.signal_qual_data.
346 elements[padapter->recvpriv.
347 signal_qual_data.index];
348 padapter->recvpriv.signal_qual_data.total_val -=
351 padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
353 padapter->recvpriv.signal_qual_data.
354 elements[padapter->recvpriv.signal_qual_data.
355 index++] = src->Rssi;
356 if (padapter->recvpriv.signal_qual_data.index >=
357 PHY_LINKQUALITY_SLID_WIN_MAX)
358 padapter->recvpriv.signal_qual_data.index = 0;
359 /* <1> Showed on UI for user, in percentage. */
360 tmpVal = padapter->recvpriv.signal_qual_data.total_val /
361 padapter->recvpriv.signal_qual_data.total_num;
362 padapter->recvpriv.signal = (u8)tmpVal;
364 src->Rssi = padapter->recvpriv.signal;
366 src->Rssi = (src->Rssi + dst->Rssi) / 2;
367 memcpy((u8 *)dst, (u8 *)src, r8712_get_ndis_wlan_bssid_ex_sz(src));
370 static void update_current_network(struct _adapter *adapter,
371 struct ndis_wlan_bssid_ex *pnetwork)
373 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
375 if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
376 update_network(&(pmlmepriv->cur_network.network),
378 r8712_update_protection(adapter,
379 (pmlmepriv->cur_network.network.IEs) +
380 sizeof(struct NDIS_802_11_FIXED_IEs),
381 pmlmepriv->cur_network.network.IELength);
386 Caller must hold pmlmepriv->lock first.
388 static void update_scanned_network(struct _adapter *adapter,
389 struct ndis_wlan_bssid_ex *target)
391 struct list_head *plist, *phead;
394 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
395 struct __queue *queue = &pmlmepriv->scanned_queue;
396 struct wlan_network *pnetwork = NULL;
397 struct wlan_network *oldest = NULL;
399 phead = get_list_head(queue);
400 plist = get_next(phead);
403 if (end_of_queue_search(phead, plist) == true)
406 pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list);
407 if (is_same_network(&pnetwork->network, target))
409 if ((oldest == ((struct wlan_network *)0)) ||
410 time_after((unsigned long)oldest->last_scanned,
411 (unsigned long)pnetwork->last_scanned))
414 plist = get_next(plist);
418 /* If we didn't find a match, then get a new network slot to initialize
419 * with this beacon's information */
420 if (end_of_queue_search(phead, plist) == true) {
421 if (_queue_empty(&pmlmepriv->free_bss_pool) == true) {
422 /* If there are no more slots, expire the oldest */
424 target->Rssi = (pnetwork->network.Rssi +
426 memcpy(&pnetwork->network, target,
427 r8712_get_ndis_wlan_bssid_ex_sz(target));
428 pnetwork->last_scanned = jiffies;
430 /* Otherwise just pull from the free list */
431 /* update scan_time */
432 pnetwork = alloc_network(pmlmepriv);
433 if (pnetwork == NULL)
435 bssid_ex_sz = r8712_get_ndis_wlan_bssid_ex_sz(target);
436 target->Length = bssid_ex_sz;
437 memcpy(&pnetwork->network, target, bssid_ex_sz);
438 list_insert_tail(&pnetwork->list, &queue->queue);
441 /* we have an entry and we are going to update it. But
442 * this entry may be already expired. In this case we
443 * do the same as we found a new net and call the new_net
446 update_network(&pnetwork->network, target, adapter);
447 pnetwork->last_scanned = jiffies;
451 static void rtl8711_add_network(struct _adapter *adapter,
452 struct ndis_wlan_bssid_ex *pnetwork)
455 struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
456 struct __queue *queue = &pmlmepriv->scanned_queue;
458 spin_lock_irqsave(&queue->lock, irqL);
459 update_current_network(adapter, pnetwork);
460 update_scanned_network(adapter, pnetwork);
461 spin_unlock_irqrestore(&queue->lock, irqL);
464 /*select the desired network based on the capability of the (i)bss.
465 * check items: (1) security
471 static int is_desired_network(struct _adapter *adapter,
472 struct wlan_network *pnetwork)
476 int bselected = true;
477 struct security_priv *psecuritypriv = &adapter->securitypriv;
479 if (psecuritypriv->wps_phase == true) {
480 if (r8712_get_wps_ie(pnetwork->network.IEs,
481 pnetwork->network.IELength, wps_ie,
487 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
488 (pnetwork->network.Privacy == 0))
490 if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE) == true) {
491 if (pnetwork->network.InfrastructureMode !=
492 adapter->mlmepriv.cur_network.network.
499 /* TODO: Perry : For Power Management */
500 void r8712_atimdone_event_callback(struct _adapter *adapter , u8 *pbuf)
504 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
508 struct ndis_wlan_bssid_ex *pnetwork;
509 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
511 pnetwork = (struct ndis_wlan_bssid_ex *)pbuf;
514 pnetwork->Length = le32_to_cpu(pnetwork->Length);
515 pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
516 pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
517 pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
518 pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
519 pnetwork->Configuration.ATIMWindow =
520 le32_to_cpu(pnetwork->Configuration.ATIMWindow);
521 pnetwork->Configuration.BeaconPeriod =
522 le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
523 pnetwork->Configuration.DSConfig =
524 le32_to_cpu(pnetwork->Configuration.DSConfig);
525 pnetwork->Configuration.FHConfig.DwellTime =
526 le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
527 pnetwork->Configuration.FHConfig.HopPattern =
528 le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
529 pnetwork->Configuration.FHConfig.HopSet =
530 le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
531 pnetwork->Configuration.FHConfig.Length =
532 le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
533 pnetwork->Configuration.Length =
534 le32_to_cpu(pnetwork->Configuration.Length);
535 pnetwork->InfrastructureMode =
536 le32_to_cpu(pnetwork->InfrastructureMode);
537 pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
539 len = r8712_get_ndis_wlan_bssid_ex_sz(pnetwork);
540 if (len > sizeof(struct wlan_bssid_ex))
542 spin_lock_irqsave(&pmlmepriv->lock2, flags);
543 /* update IBSS_network 's timestamp */
544 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) {
545 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
546 pnetwork->MacAddress, ETH_ALEN)) {
547 struct wlan_network *ibss_wlan = NULL;
549 memcpy(pmlmepriv->cur_network.network.IEs,
551 ibss_wlan = r8712_find_network(
552 &pmlmepriv->scanned_queue,
553 pnetwork->MacAddress);
555 memcpy(ibss_wlan->network.IEs,
561 /* lock pmlmepriv->lock when you accessing network_q */
562 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == false) {
563 if (pnetwork->Ssid.Ssid[0] != 0)
564 rtl8711_add_network(adapter, pnetwork);
566 pnetwork->Ssid.SsidLength = 8;
567 memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
568 rtl8711_add_network(adapter, pnetwork);
572 spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
575 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
578 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
580 spin_lock_irqsave(&pmlmepriv->lock, irqL);
582 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) {
585 _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled);
587 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
590 if (pmlmepriv->to_join == true) {
591 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
592 if (check_fwstate(pmlmepriv, _FW_LINKED) == false) {
593 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
595 if (r8712_select_and_join_from_scan(pmlmepriv)
597 _set_timer(&pmlmepriv->assoc_timer,
600 struct wlan_bssid_ex *pdev_network =
601 &(adapter->registrypriv.dev_network);
603 adapter->registrypriv.
604 dev_network.MacAddress;
605 pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
606 memset(&pdev_network->Ssid, 0,
609 memcpy(&pdev_network->Ssid,
610 &pmlmepriv->assoc_ssid,
613 r8712_update_registrypriv_dev_network
615 r8712_generate_random_ibss(pibss);
616 pmlmepriv->fw_state =
617 WIFI_ADHOC_MASTER_STATE;
618 pmlmepriv->to_join = false;
622 pmlmepriv->to_join = false;
623 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
624 if (r8712_select_and_join_from_scan(pmlmepriv) ==
626 _set_timer(&pmlmepriv->assoc_timer,
629 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
632 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
636 *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
638 void r8712_free_assoc_resources(struct _adapter *adapter)
641 struct wlan_network *pwlan = NULL;
642 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
643 struct sta_priv *pstapriv = &adapter->stapriv;
644 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
646 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
647 tgt_network->network.MacAddress);
649 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) {
650 struct sta_info *psta;
652 psta = r8712_get_stainfo(&adapter->stapriv,
653 tgt_network->network.MacAddress);
655 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
656 r8712_free_stainfo(adapter, psta);
657 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
660 if (check_fwstate(pmlmepriv,
661 WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE))
662 r8712_free_all_stainfo(adapter);
664 pwlan->fixed = false;
666 if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
667 (adapter->stapriv.asoc_sta_count == 1)))
668 free_network_nolock(pmlmepriv, pwlan);
672 *r8712_indicate_connect: the caller has to lock pmlmepriv->lock
674 void r8712_indicate_connect(struct _adapter *padapter)
676 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
678 pmlmepriv->to_join = false;
679 set_fwstate(pmlmepriv, _FW_LINKED);
680 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
681 r8712_os_indicate_connect(padapter);
682 if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
683 _set_timer(&pmlmepriv->dhcp_timer, 60000);
688 *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
690 void r8712_ind_disconnect(struct _adapter *padapter)
692 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
694 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
695 _clr_fwstate_(pmlmepriv, _FW_LINKED);
696 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
697 r8712_os_indicate_disconnect(padapter);
699 if (padapter->pwrctrlpriv.pwr_mode !=
700 padapter->registrypriv.power_mgnt) {
701 _cancel_timer_ex(&pmlmepriv->dhcp_timer);
702 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
703 padapter->registrypriv.smart_ps);
708 *pnetwork : returns from r8712_joinbss_event_callback
709 *ptarget_wlan: found from scanned_queue
710 *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
711 * "ptarget_sta" & "ptarget_wlan" exist.
712 *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
713 * if "ptarget_wlan" exist.
714 *if join_res > 0, update "cur_network->network" from
715 * "pnetwork->network" if (ptarget_wlan !=NULL).
717 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
719 unsigned long irqL = 0, irqL2;
721 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
722 struct sta_priv *pstapriv = &adapter->stapriv;
723 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
724 struct wlan_network *cur_network = &pmlmepriv->cur_network;
725 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
726 unsigned int the_same_macaddr = false;
727 struct wlan_network *pnetwork;
729 if (sizeof(struct list_head) == 4 * sizeof(u32)) {
730 pnetwork = (struct wlan_network *)
731 _malloc(sizeof(struct wlan_network));
732 memcpy((u8 *)pnetwork+16, (u8 *)pbuf + 8,
733 sizeof(struct wlan_network) - 16);
735 pnetwork = (struct wlan_network *)pbuf;
739 pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
740 pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
741 pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
742 pnetwork->network.Ssid.SsidLength =
743 le32_to_cpu(pnetwork->network.Ssid.SsidLength);
744 pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
745 pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
746 pnetwork->network.NetworkTypeInUse =
747 le32_to_cpu(pnetwork->network.NetworkTypeInUse);
748 pnetwork->network.Configuration.ATIMWindow =
749 le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
750 pnetwork->network.Configuration.BeaconPeriod =
751 le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
752 pnetwork->network.Configuration.DSConfig =
753 le32_to_cpu(pnetwork->network.Configuration.DSConfig);
754 pnetwork->network.Configuration.FHConfig.DwellTime =
755 le32_to_cpu(pnetwork->network.Configuration.FHConfig.
757 pnetwork->network.Configuration.FHConfig.HopPattern =
758 le32_to_cpu(pnetwork->network.Configuration.
759 FHConfig.HopPattern);
760 pnetwork->network.Configuration.FHConfig.HopSet =
761 le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
762 pnetwork->network.Configuration.FHConfig.Length =
763 le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
764 pnetwork->network.Configuration.Length =
765 le32_to_cpu(pnetwork->network.Configuration.Length);
766 pnetwork->network.InfrastructureMode =
767 le32_to_cpu(pnetwork->network.InfrastructureMode);
768 pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
771 the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
772 cur_network->network.MacAddress, ETH_ALEN);
773 pnetwork->network.Length =
774 r8712_get_ndis_wlan_bssid_ex_sz(&pnetwork->network);
775 spin_lock_irqsave(&pmlmepriv->lock, irqL);
776 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
777 goto ignore_joinbss_callback;
778 if (pnetwork->join_res > 0) {
779 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
780 /*s1. find ptarget_wlan*/
781 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
782 if (the_same_macaddr == true)
784 r8712_find_network(&pmlmepriv->
786 cur_network->network.MacAddress);
789 r8712_find_network(&pmlmepriv->
791 cur_network->network.MacAddress);
792 pcur_wlan->fixed = false;
794 pcur_sta = r8712_get_stainfo(pstapriv,
795 cur_network->network.MacAddress);
796 spin_lock_irqsave(&pstapriv->
797 sta_hash_lock, irqL2);
798 r8712_free_stainfo(adapter, pcur_sta);
799 spin_unlock_irqrestore(&(pstapriv->
800 sta_hash_lock), irqL2);
803 r8712_find_network(&pmlmepriv->
808 ptarget_wlan->fixed = true;
811 ptarget_wlan = r8712_find_network(&pmlmepriv->
813 pnetwork->network.MacAddress);
815 ptarget_wlan->fixed = true;
818 if (ptarget_wlan == NULL) {
819 if (check_fwstate(pmlmepriv,
821 pmlmepriv->fw_state ^=
823 goto ignore_joinbss_callback;
826 /*s2. find ptarget_sta & update ptarget_sta*/
827 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
828 if (the_same_macaddr == true) {
830 r8712_get_stainfo(pstapriv,
831 pnetwork->network.MacAddress);
832 if (ptarget_sta == NULL)
834 r8712_alloc_stainfo(pstapriv,
835 pnetwork->network.MacAddress);
838 r8712_alloc_stainfo(pstapriv,
839 pnetwork->network.MacAddress);
840 if (ptarget_sta) /*update ptarget_sta*/ {
841 ptarget_sta->aid = pnetwork->join_res;
842 ptarget_sta->qos_option = 1;
843 ptarget_sta->mac_id = 5;
844 if (adapter->securitypriv.
846 adapter->securitypriv.
849 adapter->securitypriv.
852 adapter->securitypriv.
855 ptarget_sta->ieee8021x_blocked
857 ptarget_sta->XPrivacy =
858 adapter->securitypriv.
860 memset((u8 *)&ptarget_sta->
863 sizeof(union Keytype));
864 memset((u8 *)&ptarget_sta->
867 sizeof(union Keytype));
868 memset((u8 *)&ptarget_sta->
871 sizeof(union Keytype));
872 memset((u8 *)&ptarget_sta->
875 memset((u8 *)&ptarget_sta->
880 if (check_fwstate(pmlmepriv,
882 pmlmepriv->fw_state ^=
884 goto ignore_joinbss_callback;
888 /*s3. update cur_network & indicate connect*/
889 memcpy(&cur_network->network, &pnetwork->network,
890 pnetwork->network.Length);
891 cur_network->aid = pnetwork->join_res;
892 /*update fw_state will clr _FW_UNDER_LINKING*/
893 switch (pnetwork->network.InfrastructureMode) {
894 case Ndis802_11Infrastructure:
895 pmlmepriv->fw_state = WIFI_STATION_STATE;
898 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
901 pmlmepriv->fw_state = WIFI_NULL_STATE;
904 r8712_update_protection(adapter,
905 (cur_network->network.IEs) +
906 sizeof(struct NDIS_802_11_FIXED_IEs),
907 (cur_network->network.IELength));
908 /*TODO: update HT_Capability*/
909 update_ht_cap(adapter, cur_network->network.IEs,
910 cur_network->network.IELength);
912 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)
914 r8712_indicate_connect(adapter);
915 _cancel_timer(&pmlmepriv->assoc_timer,
918 goto ignore_joinbss_callback;
920 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) {
921 _set_timer(&pmlmepriv->assoc_timer, 1);
922 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
925 ignore_joinbss_callback:
926 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
927 if (sizeof(struct list_head) == 4 * sizeof(u32))
928 kfree((u8 *)pnetwork);
931 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
934 struct sta_info *psta;
935 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
936 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
939 if (r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr) == false)
941 psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
943 /*the sta have been in sta_info_queue => do nothing
944 *(between drv has received this event before and
945 * fw have not yet to set key to CAM_ENTRY) */
949 psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
952 /* to do : init sta_info variable */
953 psta->qos_option = 0;
954 psta->mac_id = le32_to_cpu((uint)pstassoc->cam_id);
955 /* psta->aid = (uint)pstassoc->cam_id; */
957 if (adapter->securitypriv.AuthAlgrthm == 2)
958 psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
959 psta->ieee8021x_blocked = false;
960 spin_lock_irqsave(&pmlmepriv->lock, irqL);
961 if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) ||
962 (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) {
963 if (adapter->stapriv.asoc_sta_count == 2) {
964 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
965 r8712_indicate_connect(adapter);
968 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
971 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
973 unsigned long irqL, irqL2;
974 struct sta_info *psta;
975 struct wlan_network *pwlan = NULL;
976 struct wlan_bssid_ex *pdev_network = NULL;
978 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
979 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
980 struct sta_priv *pstapriv = &adapter->stapriv;
981 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
983 spin_lock_irqsave(&pmlmepriv->lock, irqL2);
984 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) {
985 r8712_ind_disconnect(adapter);
986 r8712_free_assoc_resources(adapter);
988 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
990 psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
991 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
992 r8712_free_stainfo(adapter, psta);
993 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
994 if (adapter->stapriv.asoc_sta_count == 1) {
995 /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
996 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
997 tgt_network->network.MacAddress);
999 pwlan->fixed = false;
1000 free_network_nolock(pmlmepriv, pwlan);
1003 pdev_network = &(adapter->registrypriv.dev_network);
1004 pibss = adapter->registrypriv.dev_network.MacAddress;
1005 memcpy(pdev_network, &tgt_network->network,
1006 r8712_get_ndis_wlan_bssid_ex_sz(&tgt_network->
1008 memset(&pdev_network->Ssid, 0,
1009 sizeof(struct ndis_802_11_ssid));
1010 memcpy(&pdev_network->Ssid,
1011 &pmlmepriv->assoc_ssid,
1012 sizeof(struct ndis_802_11_ssid));
1013 r8712_update_registrypriv_dev_network(adapter);
1014 r8712_generate_random_ibss(pibss);
1015 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
1016 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
1017 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
1021 spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
1024 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
1026 struct reportpwrstate_parm *preportpwrstate =
1027 (struct reportpwrstate_parm *)pbuf;
1029 preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
1030 r8712_cpwm_int_hdl(adapter, preportpwrstate);
1033 /* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
1034 * the ADDBA req frame with start seq control = 0 to wifi client after
1035 * the WPA handshake and the seqence number of following data packet
1036 * will be 0. In this case, the Rx reorder sequence is not longer than 0
1037 * and the WiFi client will drop the data with seq number 0.
1038 * So, the 8712 firmware has to inform driver with receiving the
1039 * ADDBA-Req frame so that the driver can reset the
1040 * sequence value of Rx reorder control.
1042 void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
1044 struct ADDBA_Req_Report_parm *pAddbareq_pram =
1045 (struct ADDBA_Req_Report_parm *)pbuf;
1046 struct sta_info *psta;
1047 struct sta_priv *pstapriv = &adapter->stapriv;
1048 struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
1050 printk(KERN_INFO "r8712u: [%s] mac = %pM, seq = %d, tid = %d\n",
1051 __func__, pAddbareq_pram->MacAddress,
1052 pAddbareq_pram->StartSeqNum, pAddbareq_pram->tid);
1053 psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
1056 &psta->recvreorder_ctrl[pAddbareq_pram->tid];
1057 /* set the indicate_seq to 0xffff so that the rx reorder
1058 * can store any following data packet.
1060 precvreorder_ctrl->indicate_seq = 0xffff;
1064 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1066 if (adapter->securitypriv.wps_hw_pbc_pressed == false)
1067 adapter->securitypriv.wps_hw_pbc_pressed = true;
1070 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1072 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1073 struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1074 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1075 u64 current_tx_pkts;
1076 uint current_rx_pkts;
1078 current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1079 (psitesurveyctrl->last_tx_pkts);
1080 current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1081 (psitesurveyctrl->last_rx_pkts);
1082 psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1083 psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1084 if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1085 (current_rx_pkts > pregistrypriv->busy_thresh))
1086 psitesurveyctrl->traffic_busy = true;
1088 psitesurveyctrl->traffic_busy = false;
1091 void _r8712_join_timeout_handler(struct _adapter *adapter)
1094 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1096 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1098 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1099 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1100 pmlmepriv->to_join = false;
1101 if (check_fwstate(pmlmepriv, _FW_LINKED) == true) {
1102 r8712_os_indicate_disconnect(adapter);
1103 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1105 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1106 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1107 adapter->registrypriv.smart_ps);
1109 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1112 void r8712_scan_timeout_handler (struct _adapter *adapter)
1115 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1117 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1118 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1119 pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
1120 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1123 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1125 if (adapter->bDriverStopped || adapter->bSurpriseRemoved)
1127 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1128 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1129 adapter->registrypriv.smart_ps);
1132 void _r8712_wdg_timeout_handler(struct _adapter *adapter)
1134 r8712_wdg_wk_cmd(adapter);
1137 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1139 struct list_head *phead;
1140 unsigned char *dst_ssid, *src_ssid;
1141 struct _adapter *adapter;
1142 struct __queue *queue = NULL;
1143 struct wlan_network *pnetwork = NULL;
1144 struct wlan_network *pnetwork_max_rssi = NULL;
1146 adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1147 queue = &pmlmepriv->scanned_queue;
1148 phead = get_list_head(queue);
1149 pmlmepriv->pscanned = get_next(phead);
1151 if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) {
1152 if ((pmlmepriv->assoc_by_rssi == true) &&
1153 (pnetwork_max_rssi != NULL)) {
1154 pnetwork = pnetwork_max_rssi;
1155 goto ask_for_joinbss;
1159 pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned,
1160 struct wlan_network, list);
1161 if (pnetwork == NULL)
1163 pmlmepriv->pscanned = get_next(pmlmepriv->pscanned);
1164 if (pmlmepriv->assoc_by_bssid == true) {
1165 dst_ssid = pnetwork->network.MacAddress;
1166 src_ssid = pmlmepriv->assoc_bssid;
1167 if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1168 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1169 if (is_same_network(&pmlmepriv->
1170 cur_network.network,
1171 &pnetwork->network)) {
1172 _clr_fwstate_(pmlmepriv,
1174 /*r8712_indicate_connect again*/
1175 r8712_indicate_connect(adapter);
1178 r8712_disassoc_cmd(adapter);
1179 r8712_ind_disconnect(adapter);
1180 r8712_free_assoc_resources(adapter);
1182 goto ask_for_joinbss;
1184 } else if (pmlmepriv->assoc_ssid.SsidLength == 0)
1185 goto ask_for_joinbss;
1186 dst_ssid = pnetwork->network.Ssid.Ssid;
1187 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1188 if ((pnetwork->network.Ssid.SsidLength ==
1189 pmlmepriv->assoc_ssid.SsidLength) &&
1190 (!memcmp(dst_ssid, src_ssid,
1191 pmlmepriv->assoc_ssid.SsidLength))) {
1192 if (pmlmepriv->assoc_by_rssi == true) {
1193 /* if the ssid is the same, select the bss
1194 * which has the max rssi*/
1195 if (pnetwork_max_rssi) {
1196 if (pnetwork->network.Rssi >
1197 pnetwork_max_rssi->network.Rssi)
1198 pnetwork_max_rssi = pnetwork;
1200 pnetwork_max_rssi = pnetwork;
1201 } else if (is_desired_network(adapter, pnetwork)) {
1202 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1203 r8712_disassoc_cmd(adapter);
1204 r8712_free_assoc_resources(adapter);
1206 goto ask_for_joinbss;
1212 return r8712_joinbss_cmd(adapter, pnetwork);
1215 sint r8712_set_auth(struct _adapter *adapter,
1216 struct security_priv *psecuritypriv)
1218 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1219 struct cmd_obj *pcmd;
1220 struct setauth_parm *psetauthparm;
1221 sint ret = _SUCCESS;
1223 pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1227 psetauthparm = (struct setauth_parm *)_malloc(
1228 sizeof(struct setauth_parm));
1229 if (psetauthparm == NULL) {
1230 kfree((unsigned char *)pcmd);
1233 memset(psetauthparm, 0, sizeof(struct setauth_parm));
1234 psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1235 pcmd->cmdcode = _SetAuth_CMD_;
1236 pcmd->parmbuf = (unsigned char *)psetauthparm;
1237 pcmd->cmdsz = sizeof(struct setauth_parm);
1240 _init_listhead(&pcmd->list);
1241 r8712_enqueue_cmd(pcmdpriv, pcmd);
1245 sint r8712_set_key(struct _adapter *adapter,
1246 struct security_priv *psecuritypriv,
1249 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1250 struct cmd_obj *pcmd;
1251 struct setkey_parm *psetkeyparm;
1254 pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj));
1257 psetkeyparm = (struct setkey_parm *)_malloc(sizeof(struct setkey_parm));
1258 if (psetkeyparm == NULL) {
1259 kfree((unsigned char *)pcmd);
1262 memset(psetkeyparm, 0, sizeof(struct setkey_parm));
1263 if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1264 psetkeyparm->algorithm =
1265 (u8)psecuritypriv->XGrpPrivacy;
1267 psetkeyparm->algorithm =
1268 (u8)psecuritypriv->PrivacyAlgrthm;
1270 psetkeyparm->keyid = (u8)keyid;
1272 switch (psetkeyparm->algorithm) {
1275 memcpy(psetkeyparm->key,
1276 psecuritypriv->DefKey[keyid].skey, keylen);
1280 memcpy(psetkeyparm->key,
1281 psecuritypriv->DefKey[keyid].skey, keylen);
1284 if (keyid < 1 || keyid > 2)
1287 memcpy(psetkeyparm->key,
1288 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1289 psetkeyparm->grpkey = 1;
1292 if (keyid < 1 || keyid > 2)
1295 memcpy(psetkeyparm->key,
1296 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1297 psetkeyparm->grpkey = 1;
1302 pcmd->cmdcode = _SetKey_CMD_;
1303 pcmd->parmbuf = (u8 *)psetkeyparm;
1304 pcmd->cmdsz = (sizeof(struct setkey_parm));
1307 _init_listhead(&pcmd->list);
1308 r8712_enqueue_cmd(pcmdpriv, pcmd);
1312 /* adjust IEs for r8712_joinbss_cmd in WMM */
1313 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1314 uint in_len, uint initial_out_len)
1316 unsigned int ielength = 0;
1319 i = 12; /* after the fixed IE */
1320 while (i < in_len) {
1321 ielength = initial_out_len;
1322 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1323 in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1324 in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1325 /*WMM element ID and OUI*/
1326 for (j = i; j < i + 9; j++) {
1327 out_ie[ielength] = in_ie[j];
1330 out_ie[initial_out_len + 1] = 0x07;
1331 out_ie[initial_out_len + 6] = 0x00;
1332 out_ie[initial_out_len + 8] = 0x00;
1335 i += (in_ie[i + 1] + 2); /* to the next IE element */
1341 * Ported from 8185: IsInPreAuthKeyList().
1345 * -1 :if there is no pre-auth key in the table
1346 * >=0 :if there is pre-auth key, and return the entry id
1348 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1350 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1354 if (psecuritypriv->PMKIDList[i].bUsed &&
1355 (!memcmp(psecuritypriv->PMKIDList[i].Bssid,
1360 } while (i < NUM_PMKID_CACHE);
1362 if (i == NUM_PMKID_CACHE) {
1363 i = -1; /* Could not find. */
1365 ; /* There is one Pre-Authentication Key for the
1366 * specific BSSID. */
1371 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1372 u8 *out_ie, uint in_len)
1374 u8 authmode = 0, securitytype, match;
1375 u8 sec_ie[255], uncst_oui[4], bkup_ie[255];
1376 u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1377 uint ielength, cnt, remove_cnt;
1379 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1380 struct security_priv *psecuritypriv = &adapter->securitypriv;
1381 uint ndisauthmode = psecuritypriv->ndisauthtype;
1382 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1384 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1385 (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1386 authmode = _WPA_IE_ID_;
1388 uncst_oui[1] = 0x50;
1389 uncst_oui[2] = 0xf2;
1391 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1392 (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1393 authmode = _WPA2_IE_ID_;
1395 uncst_oui[1] = 0x0f;
1396 uncst_oui[2] = 0xac;
1398 switch (ndissecuritytype) {
1399 case Ndis802_11Encryption1Enabled:
1400 case Ndis802_11Encryption1KeyAbsent:
1401 securitytype = _WEP40_;
1404 case Ndis802_11Encryption2Enabled:
1405 case Ndis802_11Encryption2KeyAbsent:
1406 securitytype = _TKIP_;
1409 case Ndis802_11Encryption3Enabled:
1410 case Ndis802_11Encryption3KeyAbsent:
1411 securitytype = _AES_;
1415 securitytype = _NO_PRIVACY_;
1418 /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1421 while (cnt < in_len) {
1422 if (in_ie[cnt] == authmode) {
1423 if ((authmode == _WPA_IE_ID_) &&
1424 (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
1425 memcpy(&sec_ie[0], &in_ie[cnt],
1426 in_ie[cnt + 1] + 2);
1430 if (authmode == _WPA2_IE_ID_) {
1431 memcpy(&sec_ie[0], &in_ie[cnt],
1432 in_ie[cnt + 1] + 2);
1436 if (((authmode == _WPA_IE_ID_) &&
1437 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1438 (authmode == _WPA2_IE_ID_))
1439 memcpy(&bkup_ie[0], &in_ie[cnt],
1440 in_ie[cnt + 1] + 2);
1442 cnt += in_ie[cnt+1] + 2; /*get next*/
1444 /*restruct WPA IE or WPA2 IE in sec_ie[] */
1445 if (match == true) {
1446 if (sec_ie[0] == _WPA_IE_ID_) {
1447 /* parsing SSN IE to select required encryption
1448 * algorithm, and set the bc/mc encryption algorithm */
1450 /*check wpa_oui tag*/
1451 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1455 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1460 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1461 /* get bc/mc encryption type (group
1463 switch (sec_ie[11]) {
1465 psecuritypriv->XGrpPrivacy =
1468 case 0x1: /*WEP_40*/
1469 psecuritypriv->XGrpPrivacy =
1473 psecuritypriv->XGrpPrivacy =
1476 case 0x3: /*AESCCMP*/
1478 psecuritypriv->XGrpPrivacy =
1481 case 0x5: /*WEP_104*/
1482 psecuritypriv->XGrpPrivacy =
1490 if (sec_ie[12] == 0x01) {
1491 /*check the unicast encryption type*/
1492 if (memcmp(&sec_ie[14],
1493 &uncst_oui[0], 4)) {
1497 } /*else the uncst_oui is match*/
1498 } else { /*mixed mode, unicast_enc_type > 1*/
1499 /*select the uncst_oui and remove
1500 * the other uncst_oui*/
1502 remove_cnt = (cnt-1) * 4;
1504 memcpy(&sec_ie[14], &uncst_oui[0], 4);
1505 /*remove the other unicast suit*/
1507 &sec_ie[18 + remove_cnt],
1508 sec_ie[1] - 18 + 2 -
1510 sec_ie[1] = sec_ie[1] - remove_cnt;
1515 if (authmode == _WPA2_IE_ID_) {
1516 /* parsing RSN IE to select required encryption
1517 * algorithm, and set the bc/mc encryption algorithm */
1519 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1524 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1525 /*get bc/mc encryption type*/
1526 switch (sec_ie[7]) {
1527 case 0x1: /*WEP_40*/
1528 psecuritypriv->XGrpPrivacy =
1532 psecuritypriv->XGrpPrivacy =
1535 case 0x4: /*AESWRAP*/
1536 psecuritypriv->XGrpPrivacy =
1539 case 0x5: /*WEP_104*/
1540 psecuritypriv->XGrpPrivacy =
1544 psecuritypriv->XGrpPrivacy =
1552 if (sec_ie[8] == 0x01) {
1553 /*check the unicast encryption type*/
1554 if (memcmp(&sec_ie[10],
1555 &uncst_oui[0], 4)) {
1558 } /*else the uncst_oui is match*/
1559 } else { /*mixed mode, unicast_enc_type > 1*/
1560 /*select the uncst_oui and remove the
1563 remove_cnt = (cnt-1)*4;
1565 memcpy(&sec_ie[10], &uncst_oui[0], 4);
1566 /*remove the other unicast suit*/
1568 &sec_ie[14 + remove_cnt],
1569 (sec_ie[1] - 14 + 2 -
1571 sec_ie[1] = sec_ie[1]-remove_cnt;
1577 if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1579 memcpy(out_ie, in_ie, 12);
1582 if (match == true) {
1583 memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1]+2);
1584 ielength += sec_ie[1] + 2;
1585 if (authmode == _WPA2_IE_ID_) {
1586 /*the Pre-Authentication bit should be zero*/
1587 out_ie[ielength - 1] = 0;
1588 out_ie[ielength - 2] = 0;
1590 r8712_report_sec_ie(adapter, authmode, sec_ie);
1593 /*copy fixed ie only*/
1594 memcpy(out_ie, in_ie, 12);
1596 if (psecuritypriv->wps_phase == true) {
1597 memcpy(out_ie+ielength, psecuritypriv->wps_ie,
1598 psecuritypriv->wps_ie_len);
1599 ielength += psecuritypriv->wps_ie_len;
1602 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1606 if (authmode == _WPA2_IE_ID_) {
1607 out_ie[ielength] = 1;
1609 out_ie[ielength] = 0; /*PMKID count = 0x0100*/
1611 memcpy(&out_ie[ielength],
1612 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1614 out_ie[13] += 18;/*PMKID length = 2+16*/
1620 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1622 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1623 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1624 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1625 u8 *myhwaddr = myid(peepriv);
1627 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1628 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1629 sizeof(struct ndis_802_11_ssid));
1630 pdev_network->Configuration.Length =
1631 sizeof(struct NDIS_802_11_CONFIGURATION);
1632 pdev_network->Configuration.BeaconPeriod = 100;
1633 pdev_network->Configuration.FHConfig.Length = 0;
1634 pdev_network->Configuration.FHConfig.HopPattern = 0;
1635 pdev_network->Configuration.FHConfig.HopSet = 0;
1636 pdev_network->Configuration.FHConfig.DwellTime = 0;
1639 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1642 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1643 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1644 struct security_priv *psecuritypriv = &adapter->securitypriv;
1645 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1647 pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1648 > 0 ? 1 : 0) ; /* adhoc no 802.1x */
1649 pdev_network->Rssi = 0;
1650 switch (pregistrypriv->wireless_mode) {
1652 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11DS);
1656 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24);
1659 pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5);
1665 pdev_network->Configuration.DSConfig = cpu_to_le32(
1666 pregistrypriv->channel);
1667 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1668 pdev_network->Configuration.ATIMWindow = cpu_to_le32(3);
1669 pdev_network->InfrastructureMode = cpu_to_le32(
1670 cur_network->network.InfrastructureMode);
1671 /* 1. Supported rates
1674 sz = r8712_generate_ie(pregistrypriv);
1675 pdev_network->IELength = sz;
1676 pdev_network->Length = r8712_get_ndis_wlan_bssid_ex_sz(
1677 (struct ndis_wlan_bssid_ex *)pdev_network);
1680 /*the function is at passive_level*/
1681 void r8712_joinbss_reset(struct _adapter *padapter)
1684 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1685 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1687 /* todo: if you want to do something io/reg/hw setting before join_bss,
1688 * please add code here */
1689 phtpriv->ampdu_enable = false;/*reset to disabled*/
1690 for (i = 0; i < 16; i++)
1691 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1692 if (phtpriv->ht_option) {
1693 /* validate usb rx aggregation */
1694 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1696 /* invalidate usb rx aggregation */
1697 /* TH=1 => means that invalidate usb rx aggregation */
1698 r8712_write8(padapter, 0x102500D9, 1);
1702 /*the function is >= passive_level*/
1703 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1704 u8 *out_ie, uint in_len, uint *pout_len)
1707 unsigned char *p, *pframe;
1708 struct ieee80211_ht_cap ht_capie;
1709 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1710 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1711 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1712 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1714 phtpriv->ht_option = 0;
1715 p = r8712_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12);
1716 if (p && (ielen > 0)) {
1717 if (pqospriv->qos_option == 0) {
1718 out_len = *pout_len;
1719 pframe = r8712_set_ie(out_ie+out_len,
1720 _VENDOR_SPECIFIC_IE_,
1723 pqospriv->qos_option = 1;
1725 out_len = *pout_len;
1726 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1727 ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH |
1728 IEEE80211_HT_CAP_SGI_20 |
1729 IEEE80211_HT_CAP_SGI_40 |
1730 IEEE80211_HT_CAP_TX_STBC |
1731 IEEE80211_HT_CAP_MAX_AMSDU |
1732 IEEE80211_HT_CAP_DSSSCCK40;
1733 ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR &
1734 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00);
1735 pframe = r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_,
1736 sizeof(struct ieee80211_ht_cap),
1737 (unsigned char *)&ht_capie, pout_len);
1738 phtpriv->ht_option = 1;
1740 return phtpriv->ht_option;
1743 /* the function is > passive_level (in critical_section) */
1744 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1746 u8 *p, max_ampdu_sz;
1748 struct sta_info *bmc_sta, *psta;
1749 struct ieee80211_ht_cap *pht_capie;
1750 struct ieee80211_ht_addt_info *pht_addtinfo;
1751 struct recv_reorder_ctrl *preorder_ctrl;
1752 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1753 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1754 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1755 struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1757 if (!phtpriv->ht_option)
1759 /* maybe needs check if ap supports rx ampdu. */
1760 if ((phtpriv->ampdu_enable == false) &&
1761 (pregistrypriv->ampdu_enable == 1))
1762 phtpriv->ampdu_enable = true;
1763 /*check Max Rx A-MPDU Size*/
1765 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1768 sizeof(struct NDIS_802_11_FIXED_IEs));
1770 pht_capie = (struct ieee80211_ht_cap *)(p+2);
1771 max_ampdu_sz = (pht_capie->ampdu_params_info &
1772 IEEE80211_HT_CAP_AMPDU_FACTOR);
1773 /* max_ampdu_sz (kbytes); */
1774 max_ampdu_sz = 1 << (max_ampdu_sz+3);
1775 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1777 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1778 * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1779 * wstart_b(indicate_seq) to default value=0xffff
1780 * todo: check if AP can send A-MPDU packets
1782 bmc_sta = r8712_get_bcmc_stainfo(padapter);
1784 for (i = 0; i < 16; i++) {
1785 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1786 preorder_ctrl->indicate_seq = 0xffff;
1787 preorder_ctrl->wend_b = 0xffff;
1790 psta = r8712_get_stainfo(&padapter->stapriv,
1791 pcur_network->network.MacAddress);
1793 for (i = 0; i < 16 ; i++) {
1794 preorder_ctrl = &psta->recvreorder_ctrl[i];
1795 preorder_ctrl->indicate_seq = 0xffff;
1796 preorder_ctrl->wend_b = 0xffff;
1800 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1801 _HT_ADD_INFO_IE_, &len,
1802 ie_len-sizeof(struct NDIS_802_11_FIXED_IEs));
1804 pht_addtinfo = (struct ieee80211_ht_addt_info *)(p + 2);
1807 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1809 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1810 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1812 if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable == true)) {
1813 if (phtpriv->baddbareq_issued[priority] == false) {
1814 r8712_addbareq_cmd(padapter, (u8)priority);
1815 phtpriv->baddbareq_issued[priority] = true;