1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
5 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
6 * Linux device driver for RTL8192SU
8 * Modifications for inclusion into the Linux staging tree are
9 * Copyright(c) 2010 Larry Finger. All rights reserved.
11 * Contact information:
12 * WLAN FAE <wlanfae@realtek.com>
13 * Larry Finger <Larry.Finger@lwfinger.net>
15 ******************************************************************************/
17 #define _RTL871X_MLME_C_
19 #include <linux/etherdevice.h>
21 #include "osdep_service.h"
22 #include "drv_types.h"
23 #include "recv_osdep.h"
24 #include "xmit_osdep.h"
25 #include "mlme_osdep.h"
28 #include "wlan_bssdef.h"
30 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len);
32 int r8712_init_mlme_priv(struct _adapter *padapter)
36 struct wlan_network *pnetwork;
37 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
39 memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv));
40 pmlmepriv->nic_hdl = (u8 *)padapter;
41 pmlmepriv->pscanned = NULL;
42 pmlmepriv->fw_state = 0;
43 pmlmepriv->cur_network.network.InfrastructureMode =
44 Ndis802_11AutoUnknown;
45 /* Maybe someday we should rename this variable to "active_mode"(Jeff)*/
46 pmlmepriv->passive_mode = 1; /* 1: active, 0: passive. */
47 spin_lock_init(&(pmlmepriv->lock));
48 spin_lock_init(&(pmlmepriv->lock2));
49 _init_queue(&(pmlmepriv->free_bss_pool));
50 _init_queue(&(pmlmepriv->scanned_queue));
51 set_scanned_network_val(pmlmepriv, 0);
52 memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid));
53 pbuf = kmalloc_array(MAX_BSS_CNT, sizeof(struct wlan_network),
57 pmlmepriv->free_bss_buf = pbuf;
58 pnetwork = (struct wlan_network *)pbuf;
59 for (i = 0; i < MAX_BSS_CNT; i++) {
60 INIT_LIST_HEAD(&(pnetwork->list));
61 list_add_tail(&(pnetwork->list),
62 &(pmlmepriv->free_bss_pool.queue));
65 pmlmepriv->sitesurveyctrl.last_rx_pkts = 0;
66 pmlmepriv->sitesurveyctrl.last_tx_pkts = 0;
67 pmlmepriv->sitesurveyctrl.traffic_busy = false;
68 /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */
69 r8712_init_mlme_timer(padapter);
73 struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv)
76 struct wlan_network *pnetwork;
77 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
79 spin_lock_irqsave(&free_queue->lock, irqL);
80 pnetwork = list_first_entry_or_null(&free_queue->queue,
81 struct wlan_network, list);
83 list_del_init(&pnetwork->list);
84 pnetwork->last_scanned = jiffies;
85 pmlmepriv->num_of_scanned++;
87 spin_unlock_irqrestore(&free_queue->lock, irqL);
91 static void _free_network(struct mlme_priv *pmlmepriv,
92 struct wlan_network *pnetwork)
94 u32 curr_time, delta_time;
96 struct __queue *free_queue = &(pmlmepriv->free_bss_pool);
103 delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ;
104 if (delta_time < SCANQUEUE_LIFETIME)
106 spin_lock_irqsave(&free_queue->lock, irqL);
107 list_del_init(&pnetwork->list);
108 list_add_tail(&pnetwork->list, &free_queue->queue);
109 pmlmepriv->num_of_scanned--;
110 spin_unlock_irqrestore(&free_queue->lock, irqL);
113 static void free_network_nolock(struct mlme_priv *pmlmepriv,
114 struct wlan_network *pnetwork)
116 struct __queue *free_queue = &pmlmepriv->free_bss_pool;
122 list_del_init(&pnetwork->list);
123 list_add_tail(&pnetwork->list, &free_queue->queue);
124 pmlmepriv->num_of_scanned--;
127 /* return the wlan_network with the matching addr
128 * Shall be called under atomic context...
129 * to avoid possible racing condition...
131 static struct wlan_network *r8712_find_network(struct __queue *scanned_queue,
135 struct list_head *phead, *plist;
136 struct wlan_network *pnetwork = NULL;
138 if (is_zero_ether_addr(addr))
140 spin_lock_irqsave(&scanned_queue->lock, irqL);
141 phead = &scanned_queue->queue;
142 list_for_each(plist, phead) {
143 pnetwork = list_entry(plist, struct wlan_network, list);
144 if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN))
149 spin_unlock_irqrestore(&scanned_queue->lock, irqL);
153 void r8712_free_network_queue(struct _adapter *padapter)
156 struct list_head *phead, *plist;
157 struct wlan_network *pnetwork;
158 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
159 struct __queue *scanned_queue = &pmlmepriv->scanned_queue;
161 spin_lock_irqsave(&scanned_queue->lock, irqL);
162 phead = &scanned_queue->queue;
164 while (!end_of_queue_search(phead, plist)) {
165 pnetwork = container_of(plist, struct wlan_network, list);
167 _free_network(pmlmepriv, pnetwork);
169 spin_unlock_irqrestore(&scanned_queue->lock, irqL);
172 sint r8712_if_up(struct _adapter *padapter)
176 if (padapter->driver_stopped || padapter->surprise_removed ||
177 !check_fwstate(&padapter->mlmepriv, _FW_LINKED)) {
185 void r8712_generate_random_ibss(u8 *pibss)
187 u32 curtime = jiffies;
189 pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */
192 pibss[3] = (u8)(curtime & 0xff);
193 pibss[4] = (u8)((curtime >> 8) & 0xff);
194 pibss[5] = (u8)((curtime >> 16) & 0xff);
197 uint r8712_get_wlan_bssid_ex_sz(struct wlan_bssid_ex *bss)
199 return sizeof(*bss) + bss->IELength - MAX_IE_SZ;
202 u8 *r8712_get_capability_from_ie(u8 *ie)
207 void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv)
209 kfree(pmlmepriv->free_bss_buf);
212 static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv)
214 return _r8712_alloc_network(pmlmepriv);
217 int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork)
220 struct security_priv *psecuritypriv = &adapter->securitypriv;
222 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
223 (pnetwork->network.Privacy == cpu_to_le32(0)))
225 else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) &&
226 (pnetwork->network.Privacy == cpu_to_le32(1)))
234 static int is_same_network(struct wlan_bssid_ex *src,
235 struct wlan_bssid_ex *dst)
239 memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2);
240 memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2);
241 return (src->Ssid.SsidLength == dst->Ssid.SsidLength) &&
242 (src->Configuration.DSConfig ==
243 dst->Configuration.DSConfig) &&
244 ((!memcmp(src->MacAddress, dst->MacAddress,
246 ((!memcmp(src->Ssid.Ssid,
248 src->Ssid.SsidLength))) &&
249 ((s_cap & WLAN_CAPABILITY_IBSS) ==
250 (d_cap & WLAN_CAPABILITY_IBSS)) &&
251 ((s_cap & WLAN_CAPABILITY_ESS) ==
252 (d_cap & WLAN_CAPABILITY_ESS));
256 struct wlan_network *r8712_get_oldest_wlan_network(
257 struct __queue *scanned_queue)
259 struct list_head *plist, *phead;
260 struct wlan_network *pwlan = NULL;
261 struct wlan_network *oldest = NULL;
263 phead = &scanned_queue->queue;
266 if (end_of_queue_search(phead, plist))
268 pwlan = container_of(plist, struct wlan_network, list);
271 time_after((unsigned long)oldest->last_scanned,
272 (unsigned long)pwlan->last_scanned))
280 static void update_network(struct wlan_bssid_ex *dst,
281 struct wlan_bssid_ex *src,
282 struct _adapter *padapter)
284 u32 last_evm = 0, tmpVal;
285 struct smooth_rssi_data *sqd = &padapter->recvpriv.signal_qual_data;
287 if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) &&
288 is_same_network(&(padapter->mlmepriv.cur_network.network), src)) {
289 if (padapter->recvpriv.signal_qual_data.total_num++ >=
290 PHY_LINKQUALITY_SLID_WIN_MAX) {
291 padapter->recvpriv.signal_qual_data.total_num =
292 PHY_LINKQUALITY_SLID_WIN_MAX;
293 last_evm = sqd->elements[sqd->index];
294 padapter->recvpriv.signal_qual_data.total_val -=
297 padapter->recvpriv.signal_qual_data.total_val += src->Rssi;
299 sqd->elements[sqd->index++] = src->Rssi;
300 if (padapter->recvpriv.signal_qual_data.index >=
301 PHY_LINKQUALITY_SLID_WIN_MAX)
302 padapter->recvpriv.signal_qual_data.index = 0;
303 /* <1> Showed on UI for user, in percentage. */
304 tmpVal = padapter->recvpriv.signal_qual_data.total_val /
305 padapter->recvpriv.signal_qual_data.total_num;
306 padapter->recvpriv.signal = (u8)tmpVal;
308 src->Rssi = padapter->recvpriv.signal;
310 src->Rssi = (src->Rssi + dst->Rssi) / 2;
312 memcpy((u8 *)dst, (u8 *)src, r8712_get_wlan_bssid_ex_sz(src));
315 static void update_current_network(struct _adapter *adapter,
316 struct wlan_bssid_ex *pnetwork)
318 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
320 if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) {
321 update_network(&(pmlmepriv->cur_network.network),
323 r8712_update_protection(adapter,
324 (pmlmepriv->cur_network.network.IEs) +
325 sizeof(struct NDIS_802_11_FIXED_IEs),
326 pmlmepriv->cur_network.network.IELength);
330 /* Caller must hold pmlmepriv->lock first */
331 static void update_scanned_network(struct _adapter *adapter,
332 struct wlan_bssid_ex *target)
334 struct list_head *plist, *phead;
337 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
338 struct __queue *queue = &pmlmepriv->scanned_queue;
339 struct wlan_network *pnetwork = NULL;
340 struct wlan_network *oldest = NULL;
342 phead = &queue->queue;
346 if (end_of_queue_search(phead, plist))
349 pnetwork = container_of(plist, struct wlan_network, list);
350 if (is_same_network(&pnetwork->network, target))
352 if ((oldest == ((struct wlan_network *)0)) ||
353 time_after((unsigned long)oldest->last_scanned,
354 (unsigned long)pnetwork->last_scanned))
360 /* If we didn't find a match, then get a new network slot to initialize
361 * with this beacon's information
363 if (end_of_queue_search(phead, plist)) {
364 if (list_empty(&pmlmepriv->free_bss_pool.queue)) {
365 /* If there are no more slots, expire the oldest */
367 target->Rssi = (pnetwork->network.Rssi +
369 memcpy(&pnetwork->network, target,
370 r8712_get_wlan_bssid_ex_sz(target));
371 pnetwork->last_scanned = jiffies;
373 /* Otherwise just pull from the free list */
374 /* update scan_time */
375 pnetwork = alloc_network(pmlmepriv);
378 bssid_ex_sz = r8712_get_wlan_bssid_ex_sz(target);
379 target->Length = bssid_ex_sz;
380 memcpy(&pnetwork->network, target, bssid_ex_sz);
381 list_add_tail(&pnetwork->list, &queue->queue);
384 /* we have an entry and we are going to update it. But
385 * this entry may be already expired. In this case we
386 * do the same as we found a new net and call the new_net
389 update_network(&pnetwork->network, target, adapter);
390 pnetwork->last_scanned = jiffies;
394 static void rtl8711_add_network(struct _adapter *adapter,
395 struct wlan_bssid_ex *pnetwork)
398 struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv);
399 struct __queue *queue = &pmlmepriv->scanned_queue;
401 spin_lock_irqsave(&queue->lock, irqL);
402 update_current_network(adapter, pnetwork);
403 update_scanned_network(adapter, pnetwork);
404 spin_unlock_irqrestore(&queue->lock, irqL);
407 /*select the desired network based on the capability of the (i)bss.
408 * check items: (1) security
414 static int is_desired_network(struct _adapter *adapter,
415 struct wlan_network *pnetwork)
419 int bselected = true;
420 struct security_priv *psecuritypriv = &adapter->securitypriv;
422 if (psecuritypriv->wps_phase) {
423 if (r8712_get_wps_ie(pnetwork->network.IEs,
424 pnetwork->network.IELength, wps_ie,
429 if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) &&
430 (pnetwork->network.Privacy == 0))
432 if (check_fwstate(&adapter->mlmepriv, WIFI_ADHOC_STATE)) {
433 if (pnetwork->network.InfrastructureMode !=
434 adapter->mlmepriv.cur_network.network.InfrastructureMode)
440 /* TODO: Perry : For Power Management */
441 void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf)
445 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
449 struct wlan_bssid_ex *pnetwork;
450 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
452 pnetwork = (struct wlan_bssid_ex *)pbuf;
455 pnetwork->Length = le32_to_cpu(pnetwork->Length);
456 pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
457 pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
458 pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
459 pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
460 pnetwork->Configuration.ATIMWindow =
461 le32_to_cpu(pnetwork->Configuration.ATIMWindow);
462 pnetwork->Configuration.BeaconPeriod =
463 le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
464 pnetwork->Configuration.DSConfig =
465 le32_to_cpu(pnetwork->Configuration.DSConfig);
466 pnetwork->Configuration.FHConfig.DwellTime =
467 le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
468 pnetwork->Configuration.FHConfig.HopPattern =
469 le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
470 pnetwork->Configuration.FHConfig.HopSet =
471 le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
472 pnetwork->Configuration.FHConfig.Length =
473 le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
474 pnetwork->Configuration.Length =
475 le32_to_cpu(pnetwork->Configuration.Length);
476 pnetwork->InfrastructureMode =
477 le32_to_cpu(pnetwork->InfrastructureMode);
478 pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
480 len = r8712_get_wlan_bssid_ex_sz(pnetwork);
481 if (len > sizeof(struct wlan_bssid_ex))
483 spin_lock_irqsave(&pmlmepriv->lock2, flags);
484 /* update IBSS_network 's timestamp */
485 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
486 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
487 pnetwork->MacAddress, ETH_ALEN)) {
488 struct wlan_network *ibss_wlan = NULL;
490 memcpy(pmlmepriv->cur_network.network.IEs,
492 ibss_wlan = r8712_find_network(
493 &pmlmepriv->scanned_queue,
494 pnetwork->MacAddress);
496 memcpy(ibss_wlan->network.IEs,
502 /* lock pmlmepriv->lock when you accessing network_q */
503 if (!check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
504 if (pnetwork->Ssid.Ssid[0] != 0) {
505 rtl8711_add_network(adapter, pnetwork);
507 pnetwork->Ssid.SsidLength = 8;
508 memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
509 rtl8711_add_network(adapter, pnetwork);
513 spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
516 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
519 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
521 spin_lock_irqsave(&pmlmepriv->lock, irqL);
523 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
524 del_timer(&pmlmepriv->scan_to_timer);
526 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
529 if (pmlmepriv->to_join) {
530 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
531 if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
532 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
534 if (!r8712_select_and_join_from_scan(pmlmepriv)) {
535 mod_timer(&pmlmepriv->assoc_timer, jiffies +
536 msecs_to_jiffies(MAX_JOIN_TIMEOUT));
538 struct wlan_bssid_ex *pdev_network =
539 &(adapter->registrypriv.dev_network);
541 adapter->registrypriv.dev_network.MacAddress;
542 pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
543 memcpy(&pdev_network->Ssid,
544 &pmlmepriv->assoc_ssid,
547 r8712_update_registrypriv_dev_network
549 r8712_generate_random_ibss(pibss);
550 pmlmepriv->fw_state =
551 WIFI_ADHOC_MASTER_STATE;
552 pmlmepriv->to_join = false;
556 pmlmepriv->to_join = false;
557 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
558 if (!r8712_select_and_join_from_scan(pmlmepriv))
559 mod_timer(&pmlmepriv->assoc_timer, jiffies +
560 msecs_to_jiffies(MAX_JOIN_TIMEOUT));
562 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
565 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
569 *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
571 void r8712_free_assoc_resources(struct _adapter *adapter)
574 struct wlan_network *pwlan = NULL;
575 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
576 struct sta_priv *pstapriv = &adapter->stapriv;
577 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
579 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
580 tgt_network->network.MacAddress);
582 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
583 struct sta_info *psta;
585 psta = r8712_get_stainfo(&adapter->stapriv,
586 tgt_network->network.MacAddress);
588 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
589 r8712_free_stainfo(adapter, psta);
590 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
593 if (check_fwstate(pmlmepriv,
594 WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE))
595 r8712_free_all_stainfo(adapter);
597 pwlan->fixed = false;
599 if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
600 (adapter->stapriv.asoc_sta_count == 1)))
601 free_network_nolock(pmlmepriv, pwlan);
605 * r8712_indicate_connect: the caller has to lock pmlmepriv->lock
607 void r8712_indicate_connect(struct _adapter *padapter)
609 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
611 pmlmepriv->to_join = false;
612 set_fwstate(pmlmepriv, _FW_LINKED);
613 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
614 r8712_os_indicate_connect(padapter);
615 if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
616 mod_timer(&pmlmepriv->dhcp_timer,
617 jiffies + msecs_to_jiffies(60000));
621 * r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
623 void r8712_ind_disconnect(struct _adapter *padapter)
625 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
627 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
628 _clr_fwstate_(pmlmepriv, _FW_LINKED);
629 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
630 r8712_os_indicate_disconnect(padapter);
632 if (padapter->pwrctrlpriv.pwr_mode !=
633 padapter->registrypriv.power_mgnt) {
634 del_timer(&pmlmepriv->dhcp_timer);
635 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
636 padapter->registrypriv.smart_ps);
641 *pnetwork : returns from r8712_joinbss_event_callback
642 *ptarget_wlan: found from scanned_queue
643 *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
644 * "ptarget_sta" & "ptarget_wlan" exist.
645 *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
646 * if "ptarget_wlan" exist.
647 *if join_res > 0, update "cur_network->network" from
648 * "pnetwork->network" if (ptarget_wlan !=NULL).
650 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
652 unsigned long irqL = 0, irqL2;
653 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
654 struct sta_priv *pstapriv = &adapter->stapriv;
655 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
656 struct wlan_network *cur_network = &pmlmepriv->cur_network;
657 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
658 unsigned int the_same_macaddr = false;
659 struct wlan_network *pnetwork;
661 if (sizeof(struct list_head) == 4 * sizeof(u32)) {
662 pnetwork = kmalloc(sizeof(struct wlan_network), GFP_ATOMIC);
665 memcpy((u8 *)pnetwork + 16, (u8 *)pbuf + 8,
666 sizeof(struct wlan_network) - 16);
668 pnetwork = (struct wlan_network *)pbuf;
673 pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
674 pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
675 pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
676 pnetwork->network.Ssid.SsidLength =
677 le32_to_cpu(pnetwork->network.Ssid.SsidLength);
678 pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
679 pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
680 pnetwork->network.NetworkTypeInUse =
681 le32_to_cpu(pnetwork->network.NetworkTypeInUse);
682 pnetwork->network.Configuration.ATIMWindow =
683 le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
684 pnetwork->network.Configuration.BeaconPeriod =
685 le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
686 pnetwork->network.Configuration.DSConfig =
687 le32_to_cpu(pnetwork->network.Configuration.DSConfig);
688 pnetwork->network.Configuration.FHConfig.DwellTime =
689 le32_to_cpu(pnetwork->network.Configuration.FHConfig.DwellTime);
690 pnetwork->network.Configuration.FHConfig.HopPattern =
691 le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopPattern);
692 pnetwork->network.Configuration.FHConfig.HopSet =
693 le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
694 pnetwork->network.Configuration.FHConfig.Length =
695 le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
696 pnetwork->network.Configuration.Length =
697 le32_to_cpu(pnetwork->network.Configuration.Length);
698 pnetwork->network.InfrastructureMode =
699 le32_to_cpu(pnetwork->network.InfrastructureMode);
700 pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
703 the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
704 cur_network->network.MacAddress, ETH_ALEN);
705 pnetwork->network.Length =
706 r8712_get_wlan_bssid_ex_sz(&pnetwork->network);
707 spin_lock_irqsave(&pmlmepriv->lock, irqL);
708 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
709 goto ignore_joinbss_callback;
710 if (pnetwork->join_res > 0) {
711 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
712 /*s1. find ptarget_wlan*/
713 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
714 if (the_same_macaddr) {
716 r8712_find_network(&pmlmepriv->scanned_queue,
717 cur_network->network.MacAddress);
720 r8712_find_network(&pmlmepriv->scanned_queue,
721 cur_network->network.MacAddress);
723 pcur_wlan->fixed = false;
725 pcur_sta = r8712_get_stainfo(pstapriv,
726 cur_network->network.MacAddress);
727 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL2);
728 r8712_free_stainfo(adapter, pcur_sta);
729 spin_unlock_irqrestore(&(pstapriv->sta_hash_lock), irqL2);
732 r8712_find_network(&pmlmepriv->scanned_queue,
733 pnetwork->network.MacAddress);
735 ptarget_wlan->fixed = true;
738 ptarget_wlan = r8712_find_network(&pmlmepriv->scanned_queue,
739 pnetwork->network.MacAddress);
741 ptarget_wlan->fixed = true;
745 if (check_fwstate(pmlmepriv,
747 pmlmepriv->fw_state ^=
749 goto ignore_joinbss_callback;
752 /*s2. find ptarget_sta & update ptarget_sta*/
753 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
754 if (the_same_macaddr) {
756 r8712_get_stainfo(pstapriv,
757 pnetwork->network.MacAddress);
760 r8712_alloc_stainfo(pstapriv,
761 pnetwork->network.MacAddress);
764 r8712_alloc_stainfo(pstapriv,
765 pnetwork->network.MacAddress);
767 if (ptarget_sta) /*update ptarget_sta*/ {
768 ptarget_sta->aid = pnetwork->join_res;
769 ptarget_sta->qos_option = 1;
770 ptarget_sta->mac_id = 5;
771 if (adapter->securitypriv.AuthAlgrthm == 2) {
772 adapter->securitypriv.binstallGrpkey = false;
773 adapter->securitypriv.busetkipkey = false;
774 adapter->securitypriv.bgrpkey_handshake = false;
775 ptarget_sta->ieee8021x_blocked = true;
776 ptarget_sta->XPrivacy = adapter->
777 securitypriv.PrivacyAlgrthm;
778 memset((u8 *)&ptarget_sta->x_UncstKey,
780 sizeof(union Keytype));
781 memset((u8 *)&ptarget_sta->tkiprxmickey,
783 sizeof(union Keytype));
784 memset((u8 *)&ptarget_sta->tkiptxmickey,
786 sizeof(union Keytype));
787 memset((u8 *)&ptarget_sta->txpn, 0,
789 memset((u8 *)&ptarget_sta->rxpn, 0,
793 if (check_fwstate(pmlmepriv,
795 pmlmepriv->fw_state ^=
797 goto ignore_joinbss_callback;
801 /*s3. update cur_network & indicate connect*/
802 memcpy(&cur_network->network, &pnetwork->network,
803 pnetwork->network.Length);
804 cur_network->aid = pnetwork->join_res;
805 /*update fw_state will clr _FW_UNDER_LINKING*/
806 switch (pnetwork->network.InfrastructureMode) {
807 case Ndis802_11Infrastructure:
808 pmlmepriv->fw_state = WIFI_STATION_STATE;
811 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
814 pmlmepriv->fw_state = WIFI_NULL_STATE;
817 r8712_update_protection(adapter,
818 (cur_network->network.IEs) +
819 sizeof(struct NDIS_802_11_FIXED_IEs),
820 (cur_network->network.IELength));
821 /*TODO: update HT_Capability*/
822 update_ht_cap(adapter, cur_network->network.IEs,
823 cur_network->network.IELength);
825 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
826 r8712_indicate_connect(adapter);
827 del_timer(&pmlmepriv->assoc_timer);
829 goto ignore_joinbss_callback;
832 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
833 mod_timer(&pmlmepriv->assoc_timer,
834 jiffies + msecs_to_jiffies(1));
835 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
838 ignore_joinbss_callback:
839 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
840 if (sizeof(struct list_head) == 4 * sizeof(u32))
844 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
847 struct sta_info *psta;
848 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
849 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
852 if (!r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr))
854 psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
856 /*the sta have been in sta_info_queue => do nothing
857 *(between drv has received this event before and
858 * fw have not yet to set key to CAM_ENTRY)
863 psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
866 /* to do : init sta_info variable */
867 psta->qos_option = 0;
868 psta->mac_id = le32_to_cpu(pstassoc->cam_id);
869 /* psta->aid = (uint)pstassoc->cam_id; */
871 if (adapter->securitypriv.AuthAlgrthm == 2)
872 psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
873 psta->ieee8021x_blocked = false;
874 spin_lock_irqsave(&pmlmepriv->lock, irqL);
875 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
876 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
877 if (adapter->stapriv.asoc_sta_count == 2) {
878 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
879 r8712_indicate_connect(adapter);
882 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
885 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
887 unsigned long irqL, irqL2;
888 struct sta_info *psta;
889 struct wlan_network *pwlan = NULL;
890 struct wlan_bssid_ex *pdev_network = NULL;
892 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
893 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
894 struct sta_priv *pstapriv = &adapter->stapriv;
895 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
897 spin_lock_irqsave(&pmlmepriv->lock, irqL2);
898 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
899 r8712_ind_disconnect(adapter);
900 r8712_free_assoc_resources(adapter);
902 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
904 psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
905 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
906 r8712_free_stainfo(adapter, psta);
907 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
908 if (adapter->stapriv.asoc_sta_count == 1) {
909 /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
910 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
911 tgt_network->network.MacAddress);
913 pwlan->fixed = false;
914 free_network_nolock(pmlmepriv, pwlan);
917 pdev_network = &(adapter->registrypriv.dev_network);
918 pibss = adapter->registrypriv.dev_network.MacAddress;
919 memcpy(pdev_network, &tgt_network->network,
920 r8712_get_wlan_bssid_ex_sz(&tgt_network->network));
921 memcpy(&pdev_network->Ssid,
922 &pmlmepriv->assoc_ssid,
923 sizeof(struct ndis_802_11_ssid));
924 r8712_update_registrypriv_dev_network(adapter);
925 r8712_generate_random_ibss(pibss);
926 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
927 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
928 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
932 spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
935 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
937 struct reportpwrstate_parm *preportpwrstate =
938 (struct reportpwrstate_parm *)pbuf;
940 preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
941 r8712_cpwm_int_hdl(adapter, preportpwrstate);
944 /* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
945 * the ADDBA req frame with start seq control = 0 to wifi client after
946 * the WPA handshake and the seqence number of following data packet
947 * will be 0. In this case, the Rx reorder sequence is not longer than 0
948 * and the WiFi client will drop the data with seq number 0.
949 * So, the 8712 firmware has to inform driver with receiving the
950 * ADDBA-Req frame so that the driver can reset the
951 * sequence value of Rx reorder control.
953 void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
955 struct ADDBA_Req_Report_parm *pAddbareq_pram =
956 (struct ADDBA_Req_Report_parm *)pbuf;
957 struct sta_info *psta;
958 struct sta_priv *pstapriv = &adapter->stapriv;
959 struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
961 psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
964 &psta->recvreorder_ctrl[pAddbareq_pram->tid];
965 /* set the indicate_seq to 0xffff so that the rx reorder
966 * can store any following data packet.
968 precvreorder_ctrl->indicate_seq = 0xffff;
972 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
974 if (!adapter->securitypriv.wps_hw_pbc_pressed)
975 adapter->securitypriv.wps_hw_pbc_pressed = true;
978 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
980 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
981 struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
982 struct registry_priv *pregistrypriv = &adapter->registrypriv;
984 uint current_rx_pkts;
986 current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
987 (psitesurveyctrl->last_tx_pkts);
988 current_rx_pkts = (adapter->recvpriv.rx_pkts) -
989 (psitesurveyctrl->last_rx_pkts);
990 psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
991 psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
992 if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
993 (current_rx_pkts > pregistrypriv->busy_thresh))
994 psitesurveyctrl->traffic_busy = true;
996 psitesurveyctrl->traffic_busy = false;
999 void _r8712_join_timeout_handler(struct _adapter *adapter)
1002 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1004 if (adapter->driver_stopped || adapter->surprise_removed)
1006 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1007 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1008 pmlmepriv->to_join = false;
1009 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1010 r8712_os_indicate_disconnect(adapter);
1011 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1013 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1014 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1015 adapter->registrypriv.smart_ps);
1017 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1020 void r8712_scan_timeout_handler (struct _adapter *adapter)
1023 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1025 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1026 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1027 pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
1028 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1031 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1033 if (adapter->driver_stopped || adapter->surprise_removed)
1035 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1036 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1037 adapter->registrypriv.smart_ps);
1040 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1042 struct list_head *phead;
1043 unsigned char *dst_ssid, *src_ssid;
1044 struct _adapter *adapter;
1045 struct __queue *queue = NULL;
1046 struct wlan_network *pnetwork = NULL;
1047 struct wlan_network *pnetwork_max_rssi = NULL;
1049 adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1050 queue = &pmlmepriv->scanned_queue;
1051 phead = &queue->queue;
1052 pmlmepriv->pscanned = phead->next;
1054 if (end_of_queue_search(phead, pmlmepriv->pscanned)) {
1055 if (pmlmepriv->assoc_by_rssi && pnetwork_max_rssi) {
1056 pnetwork = pnetwork_max_rssi;
1057 goto ask_for_joinbss;
1061 pnetwork = container_of(pmlmepriv->pscanned,
1062 struct wlan_network, list);
1063 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
1064 if (pmlmepriv->assoc_by_bssid) {
1065 dst_ssid = pnetwork->network.MacAddress;
1066 src_ssid = pmlmepriv->assoc_bssid;
1067 if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1068 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1069 if (is_same_network(&pmlmepriv->cur_network.network,
1070 &pnetwork->network)) {
1071 _clr_fwstate_(pmlmepriv,
1073 /*r8712_indicate_connect again*/
1074 r8712_indicate_connect(adapter);
1077 r8712_disassoc_cmd(adapter);
1078 r8712_ind_disconnect(adapter);
1079 r8712_free_assoc_resources(adapter);
1081 goto ask_for_joinbss;
1083 } else if (pmlmepriv->assoc_ssid.SsidLength == 0) {
1084 goto ask_for_joinbss;
1086 dst_ssid = pnetwork->network.Ssid.Ssid;
1087 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1088 if ((pnetwork->network.Ssid.SsidLength ==
1089 pmlmepriv->assoc_ssid.SsidLength) &&
1090 (!memcmp(dst_ssid, src_ssid,
1091 pmlmepriv->assoc_ssid.SsidLength))) {
1092 if (pmlmepriv->assoc_by_rssi) {
1093 /* if the ssid is the same, select the bss
1094 * which has the max rssi
1096 if (pnetwork_max_rssi) {
1097 if (pnetwork->network.Rssi >
1098 pnetwork_max_rssi->network.Rssi)
1099 pnetwork_max_rssi = pnetwork;
1101 pnetwork_max_rssi = pnetwork;
1103 } else if (is_desired_network(adapter, pnetwork)) {
1104 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1105 r8712_disassoc_cmd(adapter);
1106 r8712_free_assoc_resources(adapter);
1108 goto ask_for_joinbss;
1114 return r8712_joinbss_cmd(adapter, pnetwork);
1117 int r8712_set_auth(struct _adapter *adapter,
1118 struct security_priv *psecuritypriv)
1120 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1121 struct cmd_obj *pcmd;
1122 struct setauth_parm *psetauthparm;
1124 pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1128 psetauthparm = kzalloc(sizeof(*psetauthparm), GFP_ATOMIC);
1129 if (!psetauthparm) {
1133 psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1134 pcmd->cmdcode = _SetAuth_CMD_;
1135 pcmd->parmbuf = (unsigned char *)psetauthparm;
1136 pcmd->cmdsz = sizeof(struct setauth_parm);
1139 INIT_LIST_HEAD(&pcmd->list);
1140 r8712_enqueue_cmd(pcmdpriv, pcmd);
1144 int r8712_set_key(struct _adapter *adapter,
1145 struct security_priv *psecuritypriv,
1148 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1149 struct cmd_obj *pcmd;
1150 struct setkey_parm *psetkeyparm;
1154 pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1157 psetkeyparm = kzalloc(sizeof(*psetkeyparm), GFP_ATOMIC);
1162 if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1163 psetkeyparm->algorithm =
1164 (u8)psecuritypriv->XGrpPrivacy;
1166 psetkeyparm->algorithm =
1167 (u8)psecuritypriv->PrivacyAlgrthm;
1169 psetkeyparm->keyid = (u8)keyid;
1171 switch (psetkeyparm->algorithm) {
1174 memcpy(psetkeyparm->key,
1175 psecuritypriv->DefKey[keyid].skey, keylen);
1179 memcpy(psetkeyparm->key,
1180 psecuritypriv->DefKey[keyid].skey, keylen);
1183 if (keyid < 1 || keyid > 2) {
1188 memcpy(psetkeyparm->key,
1189 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1190 psetkeyparm->grpkey = 1;
1193 if (keyid < 1 || keyid > 2) {
1198 memcpy(psetkeyparm->key,
1199 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1200 psetkeyparm->grpkey = 1;
1206 pcmd->cmdcode = _SetKey_CMD_;
1207 pcmd->parmbuf = (u8 *)psetkeyparm;
1208 pcmd->cmdsz = (sizeof(struct setkey_parm));
1211 INIT_LIST_HEAD(&pcmd->list);
1212 r8712_enqueue_cmd(pcmdpriv, pcmd);
1222 /* adjust IEs for r8712_joinbss_cmd in WMM */
1223 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1224 uint in_len, uint initial_out_len)
1226 unsigned int ielength = 0;
1229 i = 12; /* after the fixed IE */
1230 while (i < in_len) {
1231 ielength = initial_out_len;
1232 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1233 in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1234 in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1235 /*WMM element ID and OUI*/
1236 for (j = i; j < i + 9; j++) {
1237 out_ie[ielength] = in_ie[j];
1240 out_ie[initial_out_len + 1] = 0x07;
1241 out_ie[initial_out_len + 6] = 0x00;
1242 out_ie[initial_out_len + 8] = 0x00;
1245 i += (in_ie[i + 1] + 2); /* to the next IE element */
1251 * Ported from 8185: IsInPreAuthKeyList().
1255 * -1 :if there is no pre-auth key in the table
1256 * >=0 :if there is pre-auth key, and return the entry id
1258 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1260 struct security_priv *p = &Adapter->securitypriv;
1263 for (i = 0; i < NUM_PMKID_CACHE; i++)
1264 if (p->PMKIDList[i].bUsed && !memcmp(p->PMKIDList[i].Bssid, bssid, ETH_ALEN))
1269 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1270 u8 *out_ie, uint in_len)
1272 u8 authmode = 0, match;
1273 u8 sec_ie[IW_CUSTOM_MAX], uncst_oui[4], bkup_ie[255];
1274 u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1275 uint ielength, cnt, remove_cnt;
1277 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1278 struct security_priv *psecuritypriv = &adapter->securitypriv;
1279 uint ndisauthmode = psecuritypriv->ndisauthtype;
1280 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1282 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1283 (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1284 authmode = _WPA_IE_ID_;
1286 uncst_oui[1] = 0x50;
1287 uncst_oui[2] = 0xf2;
1289 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1290 (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1291 authmode = _WPA2_IE_ID_;
1293 uncst_oui[1] = 0x0f;
1294 uncst_oui[2] = 0xac;
1296 switch (ndissecuritytype) {
1297 case Ndis802_11Encryption1Enabled:
1298 case Ndis802_11Encryption1KeyAbsent:
1301 case Ndis802_11Encryption2Enabled:
1302 case Ndis802_11Encryption2KeyAbsent:
1305 case Ndis802_11Encryption3Enabled:
1306 case Ndis802_11Encryption3KeyAbsent:
1312 /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1315 while (cnt < in_len) {
1316 if (in_ie[cnt] == authmode) {
1317 if ((authmode == _WPA_IE_ID_) &&
1318 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) {
1319 memcpy(&sec_ie[0], &in_ie[cnt],
1320 in_ie[cnt + 1] + 2);
1324 if (authmode == _WPA2_IE_ID_) {
1325 memcpy(&sec_ie[0], &in_ie[cnt],
1326 in_ie[cnt + 1] + 2);
1330 if (((authmode == _WPA_IE_ID_) &&
1331 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1332 (authmode == _WPA2_IE_ID_))
1333 memcpy(&bkup_ie[0], &in_ie[cnt],
1334 in_ie[cnt + 1] + 2);
1336 cnt += in_ie[cnt + 1] + 2; /*get next*/
1338 /*restruct WPA IE or WPA2 IE in sec_ie[] */
1340 if (sec_ie[0] == _WPA_IE_ID_) {
1341 /* parsing SSN IE to select required encryption
1342 * algorithm, and set the bc/mc encryption algorithm
1345 /*check wpa_oui tag*/
1346 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1350 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1355 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1356 /* get bc/mc encryption type (group
1359 switch (sec_ie[11]) {
1361 psecuritypriv->XGrpPrivacy =
1364 case 0x1: /*WEP_40*/
1365 psecuritypriv->XGrpPrivacy =
1369 psecuritypriv->XGrpPrivacy =
1372 case 0x3: /*AESCCMP*/
1374 psecuritypriv->XGrpPrivacy =
1377 case 0x5: /*WEP_104*/
1378 psecuritypriv->XGrpPrivacy =
1386 if (sec_ie[12] == 0x01) {
1387 /*check the unicast encryption type*/
1388 if (memcmp(&sec_ie[14],
1389 &uncst_oui[0], 4)) {
1393 } /*else the uncst_oui is match*/
1394 } else { /*mixed mode, unicast_enc_type > 1*/
1395 /*select the uncst_oui and remove
1396 * the other uncst_oui
1399 remove_cnt = (cnt - 1) * 4;
1401 memcpy(&sec_ie[14], &uncst_oui[0], 4);
1402 /*remove the other unicast suit*/
1404 &sec_ie[18 + remove_cnt],
1405 sec_ie[1] - 18 + 2 -
1407 sec_ie[1] = sec_ie[1] - remove_cnt;
1412 if (authmode == _WPA2_IE_ID_) {
1413 /* parsing RSN IE to select required encryption
1414 * algorithm, and set the bc/mc encryption algorithm
1417 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1422 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1423 /*get bc/mc encryption type*/
1424 switch (sec_ie[7]) {
1425 case 0x1: /*WEP_40*/
1426 psecuritypriv->XGrpPrivacy =
1430 psecuritypriv->XGrpPrivacy =
1433 case 0x4: /*AESWRAP*/
1434 psecuritypriv->XGrpPrivacy =
1437 case 0x5: /*WEP_104*/
1438 psecuritypriv->XGrpPrivacy =
1442 psecuritypriv->XGrpPrivacy =
1450 if (sec_ie[8] == 0x01) {
1451 /*check the unicast encryption type*/
1452 if (memcmp(&sec_ie[10],
1453 &uncst_oui[0], 4)) {
1456 } /*else the uncst_oui is match*/
1457 } else { /*mixed mode, unicast_enc_type > 1*/
1458 /*select the uncst_oui and remove the
1462 remove_cnt = (cnt - 1) * 4;
1464 memcpy(&sec_ie[10], &uncst_oui[0], 4);
1465 /*remove the other unicast suit*/
1467 &sec_ie[14 + remove_cnt],
1468 (sec_ie[1] - 14 + 2 -
1470 sec_ie[1] = sec_ie[1] - remove_cnt;
1476 if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1478 memcpy(out_ie, in_ie, 12);
1482 memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1] + 2);
1483 ielength += sec_ie[1] + 2;
1484 if (authmode == _WPA2_IE_ID_) {
1485 /*the Pre-Authentication bit should be zero*/
1486 out_ie[ielength - 1] = 0;
1487 out_ie[ielength - 2] = 0;
1489 r8712_report_sec_ie(adapter, authmode, sec_ie);
1492 /*copy fixed ie only*/
1493 memcpy(out_ie, in_ie, 12);
1495 if (psecuritypriv->wps_phase) {
1496 memcpy(out_ie + ielength, psecuritypriv->wps_ie,
1497 psecuritypriv->wps_ie_len);
1498 ielength += psecuritypriv->wps_ie_len;
1501 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1504 if (authmode == _WPA2_IE_ID_) {
1505 out_ie[ielength] = 1;
1507 out_ie[ielength] = 0; /*PMKID count = 0x0100*/
1509 memcpy(&out_ie[ielength],
1510 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1512 out_ie[13] += 18;/*PMKID length = 2+16*/
1517 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1519 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1520 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1521 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1522 u8 *myhwaddr = myid(peepriv);
1524 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1525 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1526 sizeof(struct ndis_802_11_ssid));
1527 pdev_network->Configuration.Length =
1528 sizeof(struct NDIS_802_11_CONFIGURATION);
1529 pdev_network->Configuration.BeaconPeriod = 100;
1530 pdev_network->Configuration.FHConfig.Length = 0;
1531 pdev_network->Configuration.FHConfig.HopPattern = 0;
1532 pdev_network->Configuration.FHConfig.HopSet = 0;
1533 pdev_network->Configuration.FHConfig.DwellTime = 0;
1536 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1539 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1540 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1541 struct security_priv *psecuritypriv = &adapter->securitypriv;
1542 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1544 pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1545 > 0 ? 1 : 0); /* adhoc no 802.1x */
1546 pdev_network->Rssi = 0;
1547 switch (pregistrypriv->wireless_mode) {
1549 pdev_network->NetworkTypeInUse = Ndis802_11DS;
1553 pdev_network->NetworkTypeInUse = Ndis802_11OFDM24;
1556 pdev_network->NetworkTypeInUse = Ndis802_11OFDM5;
1562 pdev_network->Configuration.DSConfig = pregistrypriv->channel;
1563 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1564 pdev_network->Configuration.ATIMWindow = 3;
1565 pdev_network->InfrastructureMode = cur_network->network.InfrastructureMode;
1566 /* 1. Supported rates
1569 sz = r8712_generate_ie(pregistrypriv);
1570 pdev_network->IELength = sz;
1571 pdev_network->Length = r8712_get_wlan_bssid_ex_sz(pdev_network);
1574 /*the function is at passive_level*/
1575 void r8712_joinbss_reset(struct _adapter *padapter)
1578 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1579 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1581 /* todo: if you want to do something io/reg/hw setting before join_bss,
1582 * please add code here
1584 phtpriv->ampdu_enable = false;/*reset to disabled*/
1585 for (i = 0; i < 16; i++)
1586 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1587 if (phtpriv->ht_option) {
1588 /* validate usb rx aggregation */
1589 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1591 /* invalidate usb rx aggregation */
1592 /* TH=1 => means that invalidate usb rx aggregation */
1593 r8712_write8(padapter, 0x102500D9, 1);
1597 /*the function is >= passive_level*/
1598 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1599 u8 *out_ie, uint in_len, uint *pout_len)
1603 struct ieee80211_ht_cap ht_capie;
1604 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1605 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1606 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1607 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1609 phtpriv->ht_option = 0;
1610 p = r8712_get_ie(in_ie + 12, WLAN_EID_HT_CAPABILITY, &ielen, in_len - 12);
1611 if (p && (ielen > 0)) {
1612 if (pqospriv->qos_option == 0) {
1613 out_len = *pout_len;
1614 r8712_set_ie(out_ie + out_len, WLAN_EID_VENDOR_SPECIFIC,
1615 _WMM_IE_Length_, WMM_IE, pout_len);
1616 pqospriv->qos_option = 1;
1618 out_len = *pout_len;
1619 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1620 ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
1621 IEEE80211_HT_CAP_SGI_20 |
1622 IEEE80211_HT_CAP_SGI_40 |
1623 IEEE80211_HT_CAP_TX_STBC |
1624 IEEE80211_HT_CAP_MAX_AMSDU |
1625 IEEE80211_HT_CAP_DSSSCCK40);
1626 ht_capie.ampdu_params_info = (IEEE80211_HT_AMPDU_PARM_FACTOR &
1627 0x03) | (IEEE80211_HT_AMPDU_PARM_DENSITY & 0x00);
1628 r8712_set_ie(out_ie + out_len, WLAN_EID_HT_CAPABILITY,
1629 sizeof(struct ieee80211_ht_cap),
1630 (unsigned char *)&ht_capie, pout_len);
1631 phtpriv->ht_option = 1;
1633 return phtpriv->ht_option;
1636 /* the function is > passive_level (in critical_section) */
1637 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1639 u8 *p, max_ampdu_sz;
1642 struct sta_info *bmc_sta, *psta;
1643 struct ieee80211_ht_cap *pht_capie;
1644 struct recv_reorder_ctrl *preorder_ctrl;
1645 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1646 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1647 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1648 struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1650 if (!phtpriv->ht_option)
1652 /* maybe needs check if ap supports rx ampdu. */
1653 if (!phtpriv->ampdu_enable &&
1654 (pregistrypriv->ampdu_enable == 1))
1655 phtpriv->ampdu_enable = true;
1656 /*check Max Rx A-MPDU Size*/
1658 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1659 WLAN_EID_HT_CAPABILITY,
1661 sizeof(struct NDIS_802_11_FIXED_IEs));
1663 pht_capie = (struct ieee80211_ht_cap *)(p + 2);
1664 max_ampdu_sz = (pht_capie->ampdu_params_info &
1665 IEEE80211_HT_AMPDU_PARM_FACTOR);
1666 /* max_ampdu_sz (kbytes); */
1667 max_ampdu_sz = 1 << (max_ampdu_sz + 3);
1668 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1670 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1671 * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1672 * wstart_b(indicate_seq) to default value=0xffff
1673 * todo: check if AP can send A-MPDU packets
1675 bmc_sta = r8712_get_bcmc_stainfo(padapter);
1677 for (i = 0; i < 16; i++) {
1678 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1679 preorder_ctrl->indicate_seq = 0xffff;
1680 preorder_ctrl->wend_b = 0xffff;
1683 psta = r8712_get_stainfo(&padapter->stapriv,
1684 pcur_network->network.MacAddress);
1686 for (i = 0; i < 16; i++) {
1687 preorder_ctrl = &psta->recvreorder_ctrl[i];
1688 preorder_ctrl->indicate_seq = 0xffff;
1689 preorder_ctrl->wend_b = 0xffff;
1693 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1694 WLAN_EID_HT_OPERATION, &len,
1695 ie_len - sizeof(struct NDIS_802_11_FIXED_IEs));
1698 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1700 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1701 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1703 if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable)) {
1704 if (!phtpriv->baddbareq_issued[priority]) {
1705 r8712_addbareq_cmd(padapter, (u8)priority);
1706 phtpriv->baddbareq_issued[priority] = true;