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.
441 /* TODO: Perry : For Power Management */
442 void r8712_atimdone_event_callback(struct _adapter *adapter, u8 *pbuf)
446 void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf)
450 struct wlan_bssid_ex *pnetwork;
451 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
453 pnetwork = (struct wlan_bssid_ex *)pbuf;
456 pnetwork->Length = le32_to_cpu(pnetwork->Length);
457 pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength);
458 pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy);
459 pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi);
460 pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse);
461 pnetwork->Configuration.ATIMWindow =
462 le32_to_cpu(pnetwork->Configuration.ATIMWindow);
463 pnetwork->Configuration.BeaconPeriod =
464 le32_to_cpu(pnetwork->Configuration.BeaconPeriod);
465 pnetwork->Configuration.DSConfig =
466 le32_to_cpu(pnetwork->Configuration.DSConfig);
467 pnetwork->Configuration.FHConfig.DwellTime =
468 le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime);
469 pnetwork->Configuration.FHConfig.HopPattern =
470 le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern);
471 pnetwork->Configuration.FHConfig.HopSet =
472 le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet);
473 pnetwork->Configuration.FHConfig.Length =
474 le32_to_cpu(pnetwork->Configuration.FHConfig.Length);
475 pnetwork->Configuration.Length =
476 le32_to_cpu(pnetwork->Configuration.Length);
477 pnetwork->InfrastructureMode =
478 le32_to_cpu(pnetwork->InfrastructureMode);
479 pnetwork->IELength = le32_to_cpu(pnetwork->IELength);
481 len = r8712_get_wlan_bssid_ex_sz(pnetwork);
482 if (len > sizeof(struct wlan_bssid_ex))
484 spin_lock_irqsave(&pmlmepriv->lock2, flags);
485 /* update IBSS_network 's timestamp */
486 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) {
487 if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress),
488 pnetwork->MacAddress, ETH_ALEN)) {
489 struct wlan_network *ibss_wlan = NULL;
491 memcpy(pmlmepriv->cur_network.network.IEs,
493 ibss_wlan = r8712_find_network(
494 &pmlmepriv->scanned_queue,
495 pnetwork->MacAddress);
497 memcpy(ibss_wlan->network.IEs,
503 /* lock pmlmepriv->lock when you accessing network_q */
504 if (!check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
505 if (pnetwork->Ssid.Ssid[0] != 0) {
506 rtl8711_add_network(adapter, pnetwork);
508 pnetwork->Ssid.SsidLength = 8;
509 memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8);
510 rtl8711_add_network(adapter, pnetwork);
514 spin_unlock_irqrestore(&pmlmepriv->lock2, flags);
517 void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf)
520 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
522 spin_lock_irqsave(&pmlmepriv->lock, irqL);
524 if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY)) {
525 del_timer(&pmlmepriv->scan_to_timer);
527 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
530 if (pmlmepriv->to_join) {
531 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
532 if (!check_fwstate(pmlmepriv, _FW_LINKED)) {
533 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
535 if (!r8712_select_and_join_from_scan(pmlmepriv)) {
536 mod_timer(&pmlmepriv->assoc_timer, jiffies +
537 msecs_to_jiffies(MAX_JOIN_TIMEOUT));
539 struct wlan_bssid_ex *pdev_network =
540 &(adapter->registrypriv.dev_network);
542 adapter->registrypriv.
543 dev_network.MacAddress;
544 pmlmepriv->fw_state ^= _FW_UNDER_SURVEY;
545 memcpy(&pdev_network->Ssid,
546 &pmlmepriv->assoc_ssid,
549 r8712_update_registrypriv_dev_network
551 r8712_generate_random_ibss(pibss);
552 pmlmepriv->fw_state =
553 WIFI_ADHOC_MASTER_STATE;
554 pmlmepriv->to_join = false;
558 pmlmepriv->to_join = false;
559 set_fwstate(pmlmepriv, _FW_UNDER_LINKING);
560 if (!r8712_select_and_join_from_scan(pmlmepriv))
561 mod_timer(&pmlmepriv->assoc_timer, jiffies +
562 msecs_to_jiffies(MAX_JOIN_TIMEOUT));
564 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
567 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
571 *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock
573 void r8712_free_assoc_resources(struct _adapter *adapter)
576 struct wlan_network *pwlan = NULL;
577 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
578 struct sta_priv *pstapriv = &adapter->stapriv;
579 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
581 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
582 tgt_network->network.MacAddress);
584 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE | WIFI_AP_STATE)) {
585 struct sta_info *psta;
587 psta = r8712_get_stainfo(&adapter->stapriv,
588 tgt_network->network.MacAddress);
590 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
591 r8712_free_stainfo(adapter, psta);
592 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
595 if (check_fwstate(pmlmepriv,
596 WIFI_ADHOC_STATE | WIFI_ADHOC_MASTER_STATE | WIFI_AP_STATE))
597 r8712_free_all_stainfo(adapter);
599 pwlan->fixed = false;
601 if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) &&
602 (adapter->stapriv.asoc_sta_count == 1)))
603 free_network_nolock(pmlmepriv, pwlan);
607 * r8712_indicate_connect: the caller has to lock pmlmepriv->lock
609 void r8712_indicate_connect(struct _adapter *padapter)
611 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
613 pmlmepriv->to_join = false;
614 set_fwstate(pmlmepriv, _FW_LINKED);
615 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK);
616 r8712_os_indicate_connect(padapter);
617 if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE)
618 mod_timer(&pmlmepriv->dhcp_timer,
619 jiffies + msecs_to_jiffies(60000));
623 * r8712_ind_disconnect: the caller has to lock pmlmepriv->lock
625 void r8712_ind_disconnect(struct _adapter *padapter)
627 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
629 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
630 _clr_fwstate_(pmlmepriv, _FW_LINKED);
631 padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
632 r8712_os_indicate_disconnect(padapter);
634 if (padapter->pwrctrlpriv.pwr_mode !=
635 padapter->registrypriv.power_mgnt) {
636 del_timer(&pmlmepriv->dhcp_timer);
637 r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt,
638 padapter->registrypriv.smart_ps);
643 *pnetwork : returns from r8712_joinbss_event_callback
644 *ptarget_wlan: found from scanned_queue
645 *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if
646 * "ptarget_sta" & "ptarget_wlan" exist.
647 *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check
648 * if "ptarget_wlan" exist.
649 *if join_res > 0, update "cur_network->network" from
650 * "pnetwork->network" if (ptarget_wlan !=NULL).
652 void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf)
654 unsigned long irqL = 0, irqL2;
655 struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL;
656 struct sta_priv *pstapriv = &adapter->stapriv;
657 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
658 struct wlan_network *cur_network = &pmlmepriv->cur_network;
659 struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL;
660 unsigned int the_same_macaddr = false;
661 struct wlan_network *pnetwork;
663 if (sizeof(struct list_head) == 4 * sizeof(u32)) {
664 pnetwork = kmalloc(sizeof(struct wlan_network), GFP_ATOMIC);
667 memcpy((u8 *)pnetwork + 16, (u8 *)pbuf + 8,
668 sizeof(struct wlan_network) - 16);
670 pnetwork = (struct wlan_network *)pbuf;
675 pnetwork->join_res = le32_to_cpu(pnetwork->join_res);
676 pnetwork->network_type = le32_to_cpu(pnetwork->network_type);
677 pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length);
678 pnetwork->network.Ssid.SsidLength =
679 le32_to_cpu(pnetwork->network.Ssid.SsidLength);
680 pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy);
681 pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi);
682 pnetwork->network.NetworkTypeInUse =
683 le32_to_cpu(pnetwork->network.NetworkTypeInUse);
684 pnetwork->network.Configuration.ATIMWindow =
685 le32_to_cpu(pnetwork->network.Configuration.ATIMWindow);
686 pnetwork->network.Configuration.BeaconPeriod =
687 le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod);
688 pnetwork->network.Configuration.DSConfig =
689 le32_to_cpu(pnetwork->network.Configuration.DSConfig);
690 pnetwork->network.Configuration.FHConfig.DwellTime =
691 le32_to_cpu(pnetwork->network.Configuration.FHConfig.
693 pnetwork->network.Configuration.FHConfig.HopPattern =
694 le32_to_cpu(pnetwork->network.Configuration.
695 FHConfig.HopPattern);
696 pnetwork->network.Configuration.FHConfig.HopSet =
697 le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet);
698 pnetwork->network.Configuration.FHConfig.Length =
699 le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length);
700 pnetwork->network.Configuration.Length =
701 le32_to_cpu(pnetwork->network.Configuration.Length);
702 pnetwork->network.InfrastructureMode =
703 le32_to_cpu(pnetwork->network.InfrastructureMode);
704 pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength);
707 the_same_macaddr = !memcmp(pnetwork->network.MacAddress,
708 cur_network->network.MacAddress, ETH_ALEN);
709 pnetwork->network.Length =
710 r8712_get_wlan_bssid_ex_sz(&pnetwork->network);
711 spin_lock_irqsave(&pmlmepriv->lock, irqL);
712 if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex))
713 goto ignore_joinbss_callback;
714 if (pnetwork->join_res > 0) {
715 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
716 /*s1. find ptarget_wlan*/
717 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
718 if (the_same_macaddr) {
720 r8712_find_network(&pmlmepriv->
722 cur_network->network.MacAddress);
725 r8712_find_network(&pmlmepriv->
727 cur_network->network.MacAddress);
729 pcur_wlan->fixed = false;
731 pcur_sta = r8712_get_stainfo(pstapriv,
732 cur_network->network.MacAddress);
733 spin_lock_irqsave(&pstapriv->
734 sta_hash_lock, irqL2);
735 r8712_free_stainfo(adapter, pcur_sta);
736 spin_unlock_irqrestore(&(pstapriv->
737 sta_hash_lock), irqL2);
740 r8712_find_network(&pmlmepriv->
745 ptarget_wlan->fixed = true;
748 ptarget_wlan = r8712_find_network(&pmlmepriv->
750 pnetwork->network.MacAddress);
752 ptarget_wlan->fixed = true;
756 if (check_fwstate(pmlmepriv,
758 pmlmepriv->fw_state ^=
760 goto ignore_joinbss_callback;
763 /*s2. find ptarget_sta & update ptarget_sta*/
764 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
765 if (the_same_macaddr) {
767 r8712_get_stainfo(pstapriv,
768 pnetwork->network.MacAddress);
771 r8712_alloc_stainfo(pstapriv,
772 pnetwork->network.MacAddress);
775 r8712_alloc_stainfo(pstapriv,
776 pnetwork->network.MacAddress);
778 if (ptarget_sta) /*update ptarget_sta*/ {
779 ptarget_sta->aid = pnetwork->join_res;
780 ptarget_sta->qos_option = 1;
781 ptarget_sta->mac_id = 5;
782 if (adapter->securitypriv.
784 adapter->securitypriv.
787 adapter->securitypriv.
790 adapter->securitypriv.
793 ptarget_sta->ieee8021x_blocked
795 ptarget_sta->XPrivacy =
796 adapter->securitypriv.
798 memset((u8 *)&ptarget_sta->
801 sizeof(union Keytype));
802 memset((u8 *)&ptarget_sta->
805 sizeof(union Keytype));
806 memset((u8 *)&ptarget_sta->
809 sizeof(union Keytype));
810 memset((u8 *)&ptarget_sta->
813 memset((u8 *)&ptarget_sta->
818 if (check_fwstate(pmlmepriv,
820 pmlmepriv->fw_state ^=
822 goto ignore_joinbss_callback;
826 /*s3. update cur_network & indicate connect*/
827 memcpy(&cur_network->network, &pnetwork->network,
828 pnetwork->network.Length);
829 cur_network->aid = pnetwork->join_res;
830 /*update fw_state will clr _FW_UNDER_LINKING*/
831 switch (pnetwork->network.InfrastructureMode) {
832 case Ndis802_11Infrastructure:
833 pmlmepriv->fw_state = WIFI_STATION_STATE;
836 pmlmepriv->fw_state = WIFI_ADHOC_STATE;
839 pmlmepriv->fw_state = WIFI_NULL_STATE;
842 r8712_update_protection(adapter,
843 (cur_network->network.IEs) +
844 sizeof(struct NDIS_802_11_FIXED_IEs),
845 (cur_network->network.IELength));
846 /*TODO: update HT_Capability*/
847 update_ht_cap(adapter, cur_network->network.IEs,
848 cur_network->network.IELength);
850 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE))
851 r8712_indicate_connect(adapter);
852 del_timer(&pmlmepriv->assoc_timer);
854 goto ignore_joinbss_callback;
857 if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING)) {
858 mod_timer(&pmlmepriv->assoc_timer,
859 jiffies + msecs_to_jiffies(1));
860 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
863 ignore_joinbss_callback:
864 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
865 if (sizeof(struct list_head) == 4 * sizeof(u32))
869 void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf)
872 struct sta_info *psta;
873 struct mlme_priv *pmlmepriv = &(adapter->mlmepriv);
874 struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf;
877 if (!r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr))
879 psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr);
881 /*the sta have been in sta_info_queue => do nothing
882 *(between drv has received this event before and
883 * fw have not yet to set key to CAM_ENTRY)
888 psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr);
891 /* to do : init sta_info variable */
892 psta->qos_option = 0;
893 psta->mac_id = le32_to_cpu(pstassoc->cam_id);
894 /* psta->aid = (uint)pstassoc->cam_id; */
896 if (adapter->securitypriv.AuthAlgrthm == 2)
897 psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm;
898 psta->ieee8021x_blocked = false;
899 spin_lock_irqsave(&pmlmepriv->lock, irqL);
900 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) ||
901 check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
902 if (adapter->stapriv.asoc_sta_count == 2) {
903 /* a sta + bc/mc_stainfo (not Ibss_stainfo) */
904 r8712_indicate_connect(adapter);
907 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
910 void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf)
912 unsigned long irqL, irqL2;
913 struct sta_info *psta;
914 struct wlan_network *pwlan = NULL;
915 struct wlan_bssid_ex *pdev_network = NULL;
917 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
918 struct stadel_event *pstadel = (struct stadel_event *)pbuf;
919 struct sta_priv *pstapriv = &adapter->stapriv;
920 struct wlan_network *tgt_network = &pmlmepriv->cur_network;
922 spin_lock_irqsave(&pmlmepriv->lock, irqL2);
923 if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) {
924 r8712_ind_disconnect(adapter);
925 r8712_free_assoc_resources(adapter);
927 if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE |
929 psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr);
930 spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL);
931 r8712_free_stainfo(adapter, psta);
932 spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL);
933 if (adapter->stapriv.asoc_sta_count == 1) {
934 /*a sta + bc/mc_stainfo (not Ibss_stainfo) */
935 pwlan = r8712_find_network(&pmlmepriv->scanned_queue,
936 tgt_network->network.MacAddress);
938 pwlan->fixed = false;
939 free_network_nolock(pmlmepriv, pwlan);
942 pdev_network = &(adapter->registrypriv.dev_network);
943 pibss = adapter->registrypriv.dev_network.MacAddress;
944 memcpy(pdev_network, &tgt_network->network,
945 r8712_get_wlan_bssid_ex_sz(&tgt_network->
947 memcpy(&pdev_network->Ssid,
948 &pmlmepriv->assoc_ssid,
949 sizeof(struct ndis_802_11_ssid));
950 r8712_update_registrypriv_dev_network(adapter);
951 r8712_generate_random_ibss(pibss);
952 if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) {
953 _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE);
954 set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE);
958 spin_unlock_irqrestore(&pmlmepriv->lock, irqL2);
961 void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf)
963 struct reportpwrstate_parm *preportpwrstate =
964 (struct reportpwrstate_parm *)pbuf;
966 preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80);
967 r8712_cpwm_int_hdl(adapter, preportpwrstate);
970 /* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send
971 * the ADDBA req frame with start seq control = 0 to wifi client after
972 * the WPA handshake and the seqence number of following data packet
973 * will be 0. In this case, the Rx reorder sequence is not longer than 0
974 * and the WiFi client will drop the data with seq number 0.
975 * So, the 8712 firmware has to inform driver with receiving the
976 * ADDBA-Req frame so that the driver can reset the
977 * sequence value of Rx reorder control.
979 void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf)
981 struct ADDBA_Req_Report_parm *pAddbareq_pram =
982 (struct ADDBA_Req_Report_parm *)pbuf;
983 struct sta_info *psta;
984 struct sta_priv *pstapriv = &adapter->stapriv;
985 struct recv_reorder_ctrl *precvreorder_ctrl = NULL;
987 psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress);
990 &psta->recvreorder_ctrl[pAddbareq_pram->tid];
991 /* set the indicate_seq to 0xffff so that the rx reorder
992 * can store any following data packet.
994 precvreorder_ctrl->indicate_seq = 0xffff;
998 void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf)
1000 if (!adapter->securitypriv.wps_hw_pbc_pressed)
1001 adapter->securitypriv.wps_hw_pbc_pressed = true;
1004 void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter)
1006 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1007 struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl;
1008 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1009 u64 current_tx_pkts;
1010 uint current_rx_pkts;
1012 current_tx_pkts = (adapter->xmitpriv.tx_pkts) -
1013 (psitesurveyctrl->last_tx_pkts);
1014 current_rx_pkts = (adapter->recvpriv.rx_pkts) -
1015 (psitesurveyctrl->last_rx_pkts);
1016 psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts;
1017 psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts;
1018 if ((current_tx_pkts > pregistrypriv->busy_thresh) ||
1019 (current_rx_pkts > pregistrypriv->busy_thresh))
1020 psitesurveyctrl->traffic_busy = true;
1022 psitesurveyctrl->traffic_busy = false;
1025 void _r8712_join_timeout_handler(struct _adapter *adapter)
1028 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1030 if (adapter->driver_stopped || adapter->surprise_removed)
1032 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1033 _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING);
1034 pmlmepriv->to_join = false;
1035 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1036 r8712_os_indicate_disconnect(adapter);
1037 _clr_fwstate_(pmlmepriv, _FW_LINKED);
1039 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) {
1040 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1041 adapter->registrypriv.smart_ps);
1043 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1046 void r8712_scan_timeout_handler (struct _adapter *adapter)
1049 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1051 spin_lock_irqsave(&pmlmepriv->lock, irqL);
1052 _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
1053 pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */
1054 spin_unlock_irqrestore(&pmlmepriv->lock, irqL);
1057 void _r8712_dhcp_timeout_handler (struct _adapter *adapter)
1059 if (adapter->driver_stopped || adapter->surprise_removed)
1061 if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt)
1062 r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt,
1063 adapter->registrypriv.smart_ps);
1066 int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv)
1068 struct list_head *phead;
1069 unsigned char *dst_ssid, *src_ssid;
1070 struct _adapter *adapter;
1071 struct __queue *queue = NULL;
1072 struct wlan_network *pnetwork = NULL;
1073 struct wlan_network *pnetwork_max_rssi = NULL;
1075 adapter = (struct _adapter *)pmlmepriv->nic_hdl;
1076 queue = &pmlmepriv->scanned_queue;
1077 phead = &queue->queue;
1078 pmlmepriv->pscanned = phead->next;
1080 if (end_of_queue_search(phead, pmlmepriv->pscanned)) {
1081 if (pmlmepriv->assoc_by_rssi && pnetwork_max_rssi) {
1082 pnetwork = pnetwork_max_rssi;
1083 goto ask_for_joinbss;
1087 pnetwork = container_of(pmlmepriv->pscanned,
1088 struct wlan_network, list);
1089 pmlmepriv->pscanned = pmlmepriv->pscanned->next;
1090 if (pmlmepriv->assoc_by_bssid) {
1091 dst_ssid = pnetwork->network.MacAddress;
1092 src_ssid = pmlmepriv->assoc_bssid;
1093 if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) {
1094 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1095 if (is_same_network(&pmlmepriv->
1096 cur_network.network,
1097 &pnetwork->network)) {
1098 _clr_fwstate_(pmlmepriv,
1100 /*r8712_indicate_connect again*/
1101 r8712_indicate_connect(adapter);
1104 r8712_disassoc_cmd(adapter);
1105 r8712_ind_disconnect(adapter);
1106 r8712_free_assoc_resources(adapter);
1108 goto ask_for_joinbss;
1110 } else if (pmlmepriv->assoc_ssid.SsidLength == 0) {
1111 goto ask_for_joinbss;
1113 dst_ssid = pnetwork->network.Ssid.Ssid;
1114 src_ssid = pmlmepriv->assoc_ssid.Ssid;
1115 if ((pnetwork->network.Ssid.SsidLength ==
1116 pmlmepriv->assoc_ssid.SsidLength) &&
1117 (!memcmp(dst_ssid, src_ssid,
1118 pmlmepriv->assoc_ssid.SsidLength))) {
1119 if (pmlmepriv->assoc_by_rssi) {
1120 /* if the ssid is the same, select the bss
1121 * which has the max rssi
1123 if (pnetwork_max_rssi) {
1124 if (pnetwork->network.Rssi >
1125 pnetwork_max_rssi->network.Rssi)
1126 pnetwork_max_rssi = pnetwork;
1128 pnetwork_max_rssi = pnetwork;
1130 } else if (is_desired_network(adapter, pnetwork)) {
1131 if (check_fwstate(pmlmepriv, _FW_LINKED)) {
1132 r8712_disassoc_cmd(adapter);
1133 r8712_free_assoc_resources(adapter);
1135 goto ask_for_joinbss;
1141 return r8712_joinbss_cmd(adapter, pnetwork);
1144 int r8712_set_auth(struct _adapter *adapter,
1145 struct security_priv *psecuritypriv)
1147 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1148 struct cmd_obj *pcmd;
1149 struct setauth_parm *psetauthparm;
1151 pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1155 psetauthparm = kzalloc(sizeof(*psetauthparm), GFP_ATOMIC);
1156 if (!psetauthparm) {
1160 psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm;
1161 pcmd->cmdcode = _SetAuth_CMD_;
1162 pcmd->parmbuf = (unsigned char *)psetauthparm;
1163 pcmd->cmdsz = sizeof(struct setauth_parm);
1166 INIT_LIST_HEAD(&pcmd->list);
1167 r8712_enqueue_cmd(pcmdpriv, pcmd);
1171 int r8712_set_key(struct _adapter *adapter,
1172 struct security_priv *psecuritypriv,
1175 struct cmd_priv *pcmdpriv = &adapter->cmdpriv;
1176 struct cmd_obj *pcmd;
1177 struct setkey_parm *psetkeyparm;
1181 pcmd = kmalloc(sizeof(*pcmd), GFP_ATOMIC);
1184 psetkeyparm = kzalloc(sizeof(*psetkeyparm), GFP_ATOMIC);
1189 if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */
1190 psetkeyparm->algorithm =
1191 (u8)psecuritypriv->XGrpPrivacy;
1193 psetkeyparm->algorithm =
1194 (u8)psecuritypriv->PrivacyAlgrthm;
1196 psetkeyparm->keyid = (u8)keyid;
1198 switch (psetkeyparm->algorithm) {
1201 memcpy(psetkeyparm->key,
1202 psecuritypriv->DefKey[keyid].skey, keylen);
1206 memcpy(psetkeyparm->key,
1207 psecuritypriv->DefKey[keyid].skey, keylen);
1210 if (keyid < 1 || keyid > 2) {
1215 memcpy(psetkeyparm->key,
1216 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1217 psetkeyparm->grpkey = 1;
1220 if (keyid < 1 || keyid > 2) {
1225 memcpy(psetkeyparm->key,
1226 &psecuritypriv->XGrpKey[keyid - 1], keylen);
1227 psetkeyparm->grpkey = 1;
1233 pcmd->cmdcode = _SetKey_CMD_;
1234 pcmd->parmbuf = (u8 *)psetkeyparm;
1235 pcmd->cmdsz = (sizeof(struct setkey_parm));
1238 INIT_LIST_HEAD(&pcmd->list);
1239 r8712_enqueue_cmd(pcmdpriv, pcmd);
1249 /* adjust IEs for r8712_joinbss_cmd in WMM */
1250 int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie,
1251 uint in_len, uint initial_out_len)
1253 unsigned int ielength = 0;
1256 i = 12; /* after the fixed IE */
1257 while (i < in_len) {
1258 ielength = initial_out_len;
1259 if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 &&
1260 in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 &&
1261 in_ie[i + 5] == 0x02 && i + 5 < in_len) {
1262 /*WMM element ID and OUI*/
1263 for (j = i; j < i + 9; j++) {
1264 out_ie[ielength] = in_ie[j];
1267 out_ie[initial_out_len + 1] = 0x07;
1268 out_ie[initial_out_len + 6] = 0x00;
1269 out_ie[initial_out_len + 8] = 0x00;
1272 i += (in_ie[i + 1] + 2); /* to the next IE element */
1278 * Ported from 8185: IsInPreAuthKeyList().
1282 * -1 :if there is no pre-auth key in the table
1283 * >=0 :if there is pre-auth key, and return the entry id
1285 static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid)
1287 struct security_priv *psecuritypriv = &Adapter->securitypriv;
1291 if (psecuritypriv->PMKIDList[i].bUsed &&
1292 (!memcmp(psecuritypriv->PMKIDList[i].Bssid,
1297 } while (i < NUM_PMKID_CACHE);
1299 if (i == NUM_PMKID_CACHE) {
1300 i = -1; /* Could not find. */
1302 ; /* There is one Pre-Authentication Key for the
1309 sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie,
1310 u8 *out_ie, uint in_len)
1312 u8 authmode = 0, match;
1313 u8 sec_ie[IW_CUSTOM_MAX], uncst_oui[4], bkup_ie[255];
1314 u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
1315 uint ielength, cnt, remove_cnt;
1317 struct mlme_priv *pmlmepriv = &adapter->mlmepriv;
1318 struct security_priv *psecuritypriv = &adapter->securitypriv;
1319 uint ndisauthmode = psecuritypriv->ndisauthtype;
1320 uint ndissecuritytype = psecuritypriv->ndisencryptstatus;
1322 if ((ndisauthmode == Ndis802_11AuthModeWPA) ||
1323 (ndisauthmode == Ndis802_11AuthModeWPAPSK)) {
1324 authmode = _WPA_IE_ID_;
1326 uncst_oui[1] = 0x50;
1327 uncst_oui[2] = 0xf2;
1329 if ((ndisauthmode == Ndis802_11AuthModeWPA2) ||
1330 (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) {
1331 authmode = _WPA2_IE_ID_;
1333 uncst_oui[1] = 0x0f;
1334 uncst_oui[2] = 0xac;
1336 switch (ndissecuritytype) {
1337 case Ndis802_11Encryption1Enabled:
1338 case Ndis802_11Encryption1KeyAbsent:
1341 case Ndis802_11Encryption2Enabled:
1342 case Ndis802_11Encryption2KeyAbsent:
1345 case Ndis802_11Encryption3Enabled:
1346 case Ndis802_11Encryption3KeyAbsent:
1352 /*Search required WPA or WPA2 IE and copy to sec_ie[] */
1355 while (cnt < in_len) {
1356 if (in_ie[cnt] == authmode) {
1357 if ((authmode == _WPA_IE_ID_) &&
1358 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) {
1359 memcpy(&sec_ie[0], &in_ie[cnt],
1360 in_ie[cnt + 1] + 2);
1364 if (authmode == _WPA2_IE_ID_) {
1365 memcpy(&sec_ie[0], &in_ie[cnt],
1366 in_ie[cnt + 1] + 2);
1370 if (((authmode == _WPA_IE_ID_) &&
1371 (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) ||
1372 (authmode == _WPA2_IE_ID_))
1373 memcpy(&bkup_ie[0], &in_ie[cnt],
1374 in_ie[cnt + 1] + 2);
1376 cnt += in_ie[cnt + 1] + 2; /*get next*/
1378 /*restruct WPA IE or WPA2 IE in sec_ie[] */
1380 if (sec_ie[0] == _WPA_IE_ID_) {
1381 /* parsing SSN IE to select required encryption
1382 * algorithm, and set the bc/mc encryption algorithm
1385 /*check wpa_oui tag*/
1386 if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) {
1390 if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) {
1395 if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) {
1396 /* get bc/mc encryption type (group
1399 switch (sec_ie[11]) {
1401 psecuritypriv->XGrpPrivacy =
1404 case 0x1: /*WEP_40*/
1405 psecuritypriv->XGrpPrivacy =
1409 psecuritypriv->XGrpPrivacy =
1412 case 0x3: /*AESCCMP*/
1414 psecuritypriv->XGrpPrivacy =
1417 case 0x5: /*WEP_104*/
1418 psecuritypriv->XGrpPrivacy =
1426 if (sec_ie[12] == 0x01) {
1427 /*check the unicast encryption type*/
1428 if (memcmp(&sec_ie[14],
1429 &uncst_oui[0], 4)) {
1433 } /*else the uncst_oui is match*/
1434 } else { /*mixed mode, unicast_enc_type > 1*/
1435 /*select the uncst_oui and remove
1436 * the other uncst_oui
1439 remove_cnt = (cnt - 1) * 4;
1441 memcpy(&sec_ie[14], &uncst_oui[0], 4);
1442 /*remove the other unicast suit*/
1444 &sec_ie[18 + remove_cnt],
1445 sec_ie[1] - 18 + 2 -
1447 sec_ie[1] = sec_ie[1] - remove_cnt;
1452 if (authmode == _WPA2_IE_ID_) {
1453 /* parsing RSN IE to select required encryption
1454 * algorithm, and set the bc/mc encryption algorithm
1457 if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) {
1462 if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) {
1463 /*get bc/mc encryption type*/
1464 switch (sec_ie[7]) {
1465 case 0x1: /*WEP_40*/
1466 psecuritypriv->XGrpPrivacy =
1470 psecuritypriv->XGrpPrivacy =
1473 case 0x4: /*AESWRAP*/
1474 psecuritypriv->XGrpPrivacy =
1477 case 0x5: /*WEP_104*/
1478 psecuritypriv->XGrpPrivacy =
1482 psecuritypriv->XGrpPrivacy =
1490 if (sec_ie[8] == 0x01) {
1491 /*check the unicast encryption type*/
1492 if (memcmp(&sec_ie[10],
1493 &uncst_oui[0], 4)) {
1496 } /*else the uncst_oui is match*/
1497 } else { /*mixed mode, unicast_enc_type > 1*/
1498 /*select the uncst_oui and remove the
1502 remove_cnt = (cnt - 1) * 4;
1504 memcpy(&sec_ie[10], &uncst_oui[0], 4);
1505 /*remove the other unicast suit*/
1507 &sec_ie[14 + remove_cnt],
1508 (sec_ie[1] - 14 + 2 -
1510 sec_ie[1] = sec_ie[1] - remove_cnt;
1516 if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) {
1518 memcpy(out_ie, in_ie, 12);
1522 memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1] + 2);
1523 ielength += sec_ie[1] + 2;
1524 if (authmode == _WPA2_IE_ID_) {
1525 /*the Pre-Authentication bit should be zero*/
1526 out_ie[ielength - 1] = 0;
1527 out_ie[ielength - 2] = 0;
1529 r8712_report_sec_ie(adapter, authmode, sec_ie);
1532 /*copy fixed ie only*/
1533 memcpy(out_ie, in_ie, 12);
1535 if (psecuritypriv->wps_phase) {
1536 memcpy(out_ie + ielength, psecuritypriv->wps_ie,
1537 psecuritypriv->wps_ie_len);
1538 ielength += psecuritypriv->wps_ie_len;
1541 iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid);
1544 if (authmode == _WPA2_IE_ID_) {
1545 out_ie[ielength] = 1;
1547 out_ie[ielength] = 0; /*PMKID count = 0x0100*/
1549 memcpy(&out_ie[ielength],
1550 &psecuritypriv->PMKIDList[iEntry].PMKID, 16);
1552 out_ie[13] += 18;/*PMKID length = 2+16*/
1557 void r8712_init_registrypriv_dev_network(struct _adapter *adapter)
1559 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1560 struct eeprom_priv *peepriv = &adapter->eeprompriv;
1561 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1562 u8 *myhwaddr = myid(peepriv);
1564 memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN);
1565 memcpy(&pdev_network->Ssid, &pregistrypriv->ssid,
1566 sizeof(struct ndis_802_11_ssid));
1567 pdev_network->Configuration.Length =
1568 sizeof(struct NDIS_802_11_CONFIGURATION);
1569 pdev_network->Configuration.BeaconPeriod = 100;
1570 pdev_network->Configuration.FHConfig.Length = 0;
1571 pdev_network->Configuration.FHConfig.HopPattern = 0;
1572 pdev_network->Configuration.FHConfig.HopSet = 0;
1573 pdev_network->Configuration.FHConfig.DwellTime = 0;
1576 void r8712_update_registrypriv_dev_network(struct _adapter *adapter)
1579 struct registry_priv *pregistrypriv = &adapter->registrypriv;
1580 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
1581 struct security_priv *psecuritypriv = &adapter->securitypriv;
1582 struct wlan_network *cur_network = &adapter->mlmepriv.cur_network;
1584 pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm
1585 > 0 ? 1 : 0); /* adhoc no 802.1x */
1586 pdev_network->Rssi = 0;
1587 switch (pregistrypriv->wireless_mode) {
1589 pdev_network->NetworkTypeInUse = Ndis802_11DS;
1593 pdev_network->NetworkTypeInUse = Ndis802_11OFDM24;
1596 pdev_network->NetworkTypeInUse = Ndis802_11OFDM5;
1602 pdev_network->Configuration.DSConfig = pregistrypriv->channel;
1603 if (cur_network->network.InfrastructureMode == Ndis802_11IBSS)
1604 pdev_network->Configuration.ATIMWindow = 3;
1605 pdev_network->InfrastructureMode = cur_network->network.InfrastructureMode;
1606 /* 1. Supported rates
1609 sz = r8712_generate_ie(pregistrypriv);
1610 pdev_network->IELength = sz;
1611 pdev_network->Length = r8712_get_wlan_bssid_ex_sz(pdev_network);
1614 /*the function is at passive_level*/
1615 void r8712_joinbss_reset(struct _adapter *padapter)
1618 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1619 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1621 /* todo: if you want to do something io/reg/hw setting before join_bss,
1622 * please add code here
1624 phtpriv->ampdu_enable = false;/*reset to disabled*/
1625 for (i = 0; i < 16; i++)
1626 phtpriv->baddbareq_issued[i] = false;/*reset it*/
1627 if (phtpriv->ht_option) {
1628 /* validate usb rx aggregation */
1629 r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/
1631 /* invalidate usb rx aggregation */
1632 /* TH=1 => means that invalidate usb rx aggregation */
1633 r8712_write8(padapter, 0x102500D9, 1);
1637 /*the function is >= passive_level*/
1638 unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie,
1639 u8 *out_ie, uint in_len, uint *pout_len)
1643 struct ieee80211_ht_cap ht_capie;
1644 unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00};
1645 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1646 struct qos_priv *pqospriv = &pmlmepriv->qospriv;
1647 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1649 phtpriv->ht_option = 0;
1650 p = r8712_get_ie(in_ie + 12, WLAN_EID_HT_CAPABILITY, &ielen, in_len - 12);
1651 if (p && (ielen > 0)) {
1652 if (pqospriv->qos_option == 0) {
1653 out_len = *pout_len;
1654 r8712_set_ie(out_ie + out_len, WLAN_EID_VENDOR_SPECIFIC,
1655 _WMM_IE_Length_, WMM_IE, pout_len);
1656 pqospriv->qos_option = 1;
1658 out_len = *pout_len;
1659 memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap));
1660 ht_capie.cap_info = cpu_to_le16(IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
1661 IEEE80211_HT_CAP_SGI_20 |
1662 IEEE80211_HT_CAP_SGI_40 |
1663 IEEE80211_HT_CAP_TX_STBC |
1664 IEEE80211_HT_CAP_MAX_AMSDU |
1665 IEEE80211_HT_CAP_DSSSCCK40);
1666 ht_capie.ampdu_params_info = (IEEE80211_HT_AMPDU_PARM_FACTOR &
1667 0x03) | (IEEE80211_HT_AMPDU_PARM_DENSITY & 0x00);
1668 r8712_set_ie(out_ie + out_len, WLAN_EID_HT_CAPABILITY,
1669 sizeof(struct ieee80211_ht_cap),
1670 (unsigned char *)&ht_capie, pout_len);
1671 phtpriv->ht_option = 1;
1673 return phtpriv->ht_option;
1676 /* the function is > passive_level (in critical_section) */
1677 static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len)
1679 u8 *p, max_ampdu_sz;
1682 struct sta_info *bmc_sta, *psta;
1683 struct ieee80211_ht_cap *pht_capie;
1684 struct recv_reorder_ctrl *preorder_ctrl;
1685 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1686 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1687 struct registry_priv *pregistrypriv = &padapter->registrypriv;
1688 struct wlan_network *pcur_network = &(pmlmepriv->cur_network);
1690 if (!phtpriv->ht_option)
1692 /* maybe needs check if ap supports rx ampdu. */
1693 if (!phtpriv->ampdu_enable &&
1694 (pregistrypriv->ampdu_enable == 1))
1695 phtpriv->ampdu_enable = true;
1696 /*check Max Rx A-MPDU Size*/
1698 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1699 WLAN_EID_HT_CAPABILITY,
1701 sizeof(struct NDIS_802_11_FIXED_IEs));
1703 pht_capie = (struct ieee80211_ht_cap *)(p + 2);
1704 max_ampdu_sz = (pht_capie->ampdu_params_info &
1705 IEEE80211_HT_AMPDU_PARM_FACTOR);
1706 /* max_ampdu_sz (kbytes); */
1707 max_ampdu_sz = 1 << (max_ampdu_sz + 3);
1708 phtpriv->rx_ampdu_maxlen = max_ampdu_sz;
1710 /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info
1711 * if A-MPDU Rx is enabled, resetting rx_ordering_ctrl
1712 * wstart_b(indicate_seq) to default value=0xffff
1713 * todo: check if AP can send A-MPDU packets
1715 bmc_sta = r8712_get_bcmc_stainfo(padapter);
1717 for (i = 0; i < 16; i++) {
1718 preorder_ctrl = &bmc_sta->recvreorder_ctrl[i];
1719 preorder_ctrl->indicate_seq = 0xffff;
1720 preorder_ctrl->wend_b = 0xffff;
1723 psta = r8712_get_stainfo(&padapter->stapriv,
1724 pcur_network->network.MacAddress);
1726 for (i = 0; i < 16; i++) {
1727 preorder_ctrl = &psta->recvreorder_ctrl[i];
1728 preorder_ctrl->indicate_seq = 0xffff;
1729 preorder_ctrl->wend_b = 0xffff;
1733 p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs),
1734 WLAN_EID_HT_OPERATION, &len,
1735 ie_len - sizeof(struct NDIS_802_11_FIXED_IEs));
1738 void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority)
1740 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1741 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1743 if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable)) {
1744 if (!phtpriv->baddbareq_issued[priority]) {
1745 r8712_addbareq_cmd(padapter, (u8)priority);
1746 phtpriv->baddbareq_issued[priority] = true;