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1 | /****************************************************************************** |
2 | * rtl871x_mlme.c | |
3 | * | |
4 | * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. | |
5 | * Linux device driver for RTL8192SU | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify it | |
8 | * under the terms of version 2 of the GNU General Public License as | |
9 | * published by the Free Software Foundation. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
14 | * more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License along with | |
17 | * this program; if not, write to the Free Software Foundation, Inc., | |
18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA | |
19 | * | |
20 | * Modifications for inclusion into the Linux staging tree are | |
21 | * Copyright(c) 2010 Larry Finger. All rights reserved. | |
22 | * | |
23 | * Contact information: | |
24 | * WLAN FAE <wlanfae@realtek.com> | |
25 | * Larry Finger <Larry.Finger@lwfinger.net> | |
26 | * | |
27 | ******************************************************************************/ | |
28 | ||
29 | #define _RTL871X_MLME_C_ | |
30 | ||
31 | #include "osdep_service.h" | |
32 | #include "drv_types.h" | |
33 | #include "recv_osdep.h" | |
34 | #include "xmit_osdep.h" | |
35 | #include "mlme_osdep.h" | |
36 | #include "sta_info.h" | |
37 | #include "wifi.h" | |
38 | #include "wlan_bssdef.h" | |
39 | ||
40 | static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len); | |
41 | ||
42 | static sint _init_mlme_priv(struct _adapter *padapter) | |
43 | { | |
44 | sint i; | |
45 | u8 *pbuf; | |
46 | struct wlan_network *pnetwork; | |
47 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
48 | ||
49 | memset((u8 *)pmlmepriv, 0, sizeof(struct mlme_priv)); | |
50 | pmlmepriv->nic_hdl = (u8 *)padapter; | |
51 | pmlmepriv->pscanned = NULL; | |
52 | pmlmepriv->fw_state = 0; | |
53 | pmlmepriv->cur_network.network.InfrastructureMode = | |
54 | Ndis802_11AutoUnknown; | |
55 | spin_lock_init(&(pmlmepriv->lock)); | |
56 | spin_lock_init(&(pmlmepriv->lock2)); | |
57 | _init_queue(&(pmlmepriv->free_bss_pool)); | |
58 | _init_queue(&(pmlmepriv->scanned_queue)); | |
59 | set_scanned_network_val(pmlmepriv, 0); | |
60 | memset(&pmlmepriv->assoc_ssid, 0, sizeof(struct ndis_802_11_ssid)); | |
61 | pbuf = _malloc(MAX_BSS_CNT * (sizeof(struct wlan_network))); | |
62 | if (pbuf == NULL) | |
63 | return _FAIL; | |
64 | pmlmepriv->free_bss_buf = pbuf; | |
65 | pnetwork = (struct wlan_network *)pbuf; | |
66 | for (i = 0; i < MAX_BSS_CNT; i++) { | |
67 | _init_listhead(&(pnetwork->list)); | |
68 | list_insert_tail(&(pnetwork->list), | |
69 | &(pmlmepriv->free_bss_pool.queue)); | |
70 | pnetwork++; | |
71 | } | |
72 | pmlmepriv->sitesurveyctrl.last_rx_pkts = 0; | |
73 | pmlmepriv->sitesurveyctrl.last_tx_pkts = 0; | |
74 | pmlmepriv->sitesurveyctrl.traffic_busy = false; | |
75 | /* allocate DMA-able/Non-Page memory for cmd_buf and rsp_buf */ | |
76 | r8712_init_mlme_timer(padapter); | |
77 | return _SUCCESS; | |
78 | } | |
79 | ||
80 | struct wlan_network *_r8712_alloc_network(struct mlme_priv *pmlmepriv) | |
81 | { | |
82 | unsigned long irqL; | |
83 | struct wlan_network *pnetwork; | |
84 | struct __queue *free_queue = &pmlmepriv->free_bss_pool; | |
85 | struct list_head *plist = NULL; | |
86 | ||
87 | if (_queue_empty(free_queue) == true) | |
88 | return NULL; | |
89 | spin_lock_irqsave(&free_queue->lock, irqL); | |
90 | plist = get_next(&(free_queue->queue)); | |
91 | pnetwork = LIST_CONTAINOR(plist , struct wlan_network, list); | |
92 | list_delete(&pnetwork->list); | |
93 | pnetwork->last_scanned = jiffies; | |
94 | pmlmepriv->num_of_scanned++; | |
95 | spin_unlock_irqrestore(&free_queue->lock, irqL); | |
96 | return pnetwork; | |
97 | } | |
98 | ||
99 | static void _free_network(struct mlme_priv *pmlmepriv, | |
100 | struct wlan_network *pnetwork) | |
101 | { | |
102 | u32 curr_time, delta_time; | |
103 | unsigned long irqL; | |
104 | struct __queue *free_queue = &(pmlmepriv->free_bss_pool); | |
105 | ||
106 | if (pnetwork == NULL) | |
107 | return; | |
108 | if (pnetwork->fixed == true) | |
109 | return; | |
110 | curr_time = jiffies; | |
111 | delta_time = (curr_time - (u32)pnetwork->last_scanned) / HZ; | |
112 | if (delta_time < SCANQUEUE_LIFETIME) | |
113 | return; | |
114 | spin_lock_irqsave(&free_queue->lock, irqL); | |
115 | list_delete(&pnetwork->list); | |
116 | list_insert_tail(&pnetwork->list, &free_queue->queue); | |
117 | pmlmepriv->num_of_scanned--; | |
118 | spin_unlock_irqrestore(&free_queue->lock, irqL); | |
119 | } | |
120 | ||
121 | static void _free_network_nolock(struct mlme_priv *pmlmepriv, | |
122 | struct wlan_network *pnetwork) | |
123 | { | |
124 | struct __queue *free_queue = &pmlmepriv->free_bss_pool; | |
125 | ||
126 | if (pnetwork == NULL) | |
127 | return; | |
128 | if (pnetwork->fixed == true) | |
129 | return; | |
130 | list_delete(&pnetwork->list); | |
131 | list_insert_tail(&pnetwork->list, get_list_head(free_queue)); | |
132 | pmlmepriv->num_of_scanned--; | |
133 | } | |
134 | ||
135 | ||
136 | /* | |
137 | return the wlan_network with the matching addr | |
138 | Shall be calle under atomic context... | |
139 | to avoid possible racing condition... | |
140 | */ | |
141 | static struct wlan_network *_r8712_find_network(struct __queue *scanned_queue, | |
142 | u8 *addr) | |
143 | { | |
144 | unsigned long irqL; | |
145 | struct list_head *phead, *plist; | |
146 | struct wlan_network *pnetwork = NULL; | |
147 | u8 zero_addr[ETH_ALEN] = {0, 0, 0, 0, 0, 0}; | |
148 | ||
149 | if (!memcmp(zero_addr, addr, ETH_ALEN)) | |
150 | return NULL; | |
151 | spin_lock_irqsave(&scanned_queue->lock, irqL); | |
152 | phead = get_list_head(scanned_queue); | |
153 | plist = get_next(phead); | |
154 | while (plist != phead) { | |
155 | pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); | |
156 | plist = get_next(plist); | |
157 | if (!memcmp(addr, pnetwork->network.MacAddress, ETH_ALEN)) | |
158 | break; | |
159 | } | |
160 | spin_unlock_irqrestore(&scanned_queue->lock, irqL); | |
161 | return pnetwork; | |
162 | } | |
163 | ||
164 | static void _free_network_queue(struct _adapter *padapter) | |
165 | { | |
166 | unsigned long irqL; | |
167 | struct list_head *phead, *plist; | |
168 | struct wlan_network *pnetwork; | |
169 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
170 | struct __queue *scanned_queue = &pmlmepriv->scanned_queue; | |
171 | ||
172 | spin_lock_irqsave(&scanned_queue->lock, irqL); | |
173 | phead = get_list_head(scanned_queue); | |
174 | plist = get_next(phead); | |
175 | while (end_of_queue_search(phead, plist) == false) { | |
176 | pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); | |
177 | plist = get_next(plist); | |
178 | _free_network(pmlmepriv, pnetwork); | |
179 | } | |
180 | spin_unlock_irqrestore(&scanned_queue->lock, irqL); | |
181 | } | |
182 | ||
183 | sint r8712_if_up(struct _adapter *padapter) | |
184 | { | |
185 | sint res; | |
186 | ||
187 | if (padapter->bDriverStopped || padapter->bSurpriseRemoved || | |
188 | (check_fwstate(&padapter->mlmepriv, _FW_LINKED) == false)) { | |
189 | res = false; | |
190 | } else | |
191 | res = true; | |
192 | return res; | |
193 | } | |
194 | ||
195 | void r8712_generate_random_ibss(u8 *pibss) | |
196 | { | |
197 | u32 curtime = jiffies; | |
198 | ||
199 | pibss[0] = 0x02; /*in ad-hoc mode bit1 must set to 1 */ | |
200 | pibss[1] = 0x11; | |
201 | pibss[2] = 0x87; | |
202 | pibss[3] = (u8)(curtime & 0xff); | |
203 | pibss[4] = (u8)((curtime>>8) & 0xff); | |
204 | pibss[5] = (u8)((curtime>>16) & 0xff); | |
205 | } | |
206 | ||
207 | uint r8712_get_ndis_wlan_bssid_ex_sz(struct ndis_wlan_bssid_ex *bss) | |
208 | { | |
209 | uint t_len; | |
210 | ||
211 | t_len = sizeof(u32) + 6 * sizeof(unsigned long) + 2 + | |
212 | sizeof(struct ndis_802_11_ssid) + sizeof(u32) + | |
213 | sizeof(s32) + | |
214 | sizeof(enum NDIS_802_11_NETWORK_TYPE) + | |
215 | sizeof(struct NDIS_802_11_CONFIGURATION) + | |
216 | sizeof(enum NDIS_802_11_NETWORK_INFRASTRUCTURE) + | |
217 | sizeof(NDIS_802_11_RATES_EX) + | |
218 | sizeof(u32) + bss->IELength; | |
219 | return t_len; | |
220 | } | |
221 | ||
222 | u8 *r8712_get_capability_from_ie(u8 *ie) | |
223 | { | |
224 | return ie + 8 + 2; | |
225 | } | |
226 | ||
227 | int r8712_init_mlme_priv(struct _adapter *padapter) | |
228 | { | |
229 | return _init_mlme_priv(padapter); | |
230 | } | |
231 | ||
232 | void r8712_free_mlme_priv(struct mlme_priv *pmlmepriv) | |
233 | { | |
234 | kfree(pmlmepriv->free_bss_buf); | |
235 | } | |
236 | ||
237 | static struct wlan_network *alloc_network(struct mlme_priv *pmlmepriv) | |
238 | { | |
239 | return _r8712_alloc_network(pmlmepriv); | |
240 | } | |
241 | ||
242 | static void free_network_nolock(struct mlme_priv *pmlmepriv, | |
243 | struct wlan_network *pnetwork) | |
244 | { | |
245 | _free_network_nolock(pmlmepriv, pnetwork); | |
246 | } | |
247 | ||
248 | void r8712_free_network_queue(struct _adapter *dev) | |
249 | { | |
250 | _free_network_queue(dev); | |
251 | } | |
252 | ||
253 | /* | |
254 | return the wlan_network with the matching addr | |
255 | ||
256 | Shall be calle under atomic context... | |
257 | to avoid possible racing condition... | |
258 | */ | |
259 | static struct wlan_network *r8712_find_network(struct __queue *scanned_queue, | |
260 | u8 *addr) | |
261 | { | |
262 | struct wlan_network *pnetwork = _r8712_find_network(scanned_queue, | |
263 | addr); | |
264 | ||
265 | return pnetwork; | |
266 | } | |
267 | ||
268 | int r8712_is_same_ibss(struct _adapter *adapter, struct wlan_network *pnetwork) | |
269 | { | |
270 | int ret = true; | |
271 | struct security_priv *psecuritypriv = &adapter->securitypriv; | |
272 | ||
273 | if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) && | |
274 | (pnetwork->network.Privacy == 0)) | |
275 | ret = false; | |
276 | else if ((psecuritypriv->PrivacyAlgrthm == _NO_PRIVACY_) && | |
277 | (pnetwork->network.Privacy == 1)) | |
278 | ret = false; | |
279 | else | |
280 | ret = true; | |
281 | return ret; | |
282 | ||
283 | } | |
284 | ||
285 | static int is_same_network(struct ndis_wlan_bssid_ex *src, | |
286 | struct ndis_wlan_bssid_ex *dst) | |
287 | { | |
288 | u16 s_cap, d_cap; | |
289 | ||
290 | memcpy((u8 *)&s_cap, r8712_get_capability_from_ie(src->IEs), 2); | |
291 | memcpy((u8 *)&d_cap, r8712_get_capability_from_ie(dst->IEs), 2); | |
292 | return (src->Ssid.SsidLength == dst->Ssid.SsidLength) && | |
293 | (src->Configuration.DSConfig == | |
294 | dst->Configuration.DSConfig) && | |
295 | ((!memcmp(src->MacAddress, dst->MacAddress, | |
296 | ETH_ALEN))) && | |
297 | ((!memcmp(src->Ssid.Ssid, | |
298 | dst->Ssid.Ssid, | |
299 | src->Ssid.SsidLength))) && | |
300 | ((s_cap & WLAN_CAPABILITY_IBSS) == | |
301 | (d_cap & WLAN_CAPABILITY_IBSS)) && | |
302 | ((s_cap & WLAN_CAPABILITY_BSS) == | |
303 | (d_cap & WLAN_CAPABILITY_BSS)); | |
304 | ||
305 | } | |
306 | ||
307 | struct wlan_network *r8712_get_oldest_wlan_network( | |
308 | struct __queue *scanned_queue) | |
309 | { | |
310 | struct list_head *plist, *phead; | |
311 | struct wlan_network *pwlan = NULL; | |
312 | struct wlan_network *oldest = NULL; | |
313 | ||
314 | phead = get_list_head(scanned_queue); | |
315 | plist = get_next(phead); | |
316 | while (1) { | |
317 | if (end_of_queue_search(phead, plist) == true) | |
318 | break; | |
319 | pwlan = LIST_CONTAINOR(plist, struct wlan_network, list); | |
320 | if (pwlan->fixed != true) { | |
321 | if (oldest == NULL || | |
322 | time_after((unsigned long)oldest->last_scanned, | |
323 | (unsigned long)pwlan->last_scanned)) | |
324 | oldest = pwlan; | |
325 | } | |
326 | plist = get_next(plist); | |
327 | } | |
328 | return oldest; | |
329 | } | |
330 | ||
331 | static void update_network(struct ndis_wlan_bssid_ex *dst, | |
332 | struct ndis_wlan_bssid_ex *src, | |
333 | struct _adapter *padapter) | |
334 | { | |
335 | u32 last_evm = 0, tmpVal; | |
336 | ||
337 | if (check_fwstate(&padapter->mlmepriv, _FW_LINKED) && | |
338 | is_same_network(&(padapter->mlmepriv.cur_network.network), src)) { | |
339 | if (padapter->recvpriv.signal_qual_data.total_num++ >= | |
340 | PHY_LINKQUALITY_SLID_WIN_MAX) { | |
341 | padapter->recvpriv.signal_qual_data.total_num = | |
342 | PHY_LINKQUALITY_SLID_WIN_MAX; | |
343 | last_evm = padapter->recvpriv.signal_qual_data. | |
344 | elements[padapter->recvpriv. | |
345 | signal_qual_data.index]; | |
346 | padapter->recvpriv.signal_qual_data.total_val -= | |
347 | last_evm; | |
348 | } | |
349 | padapter->recvpriv.signal_qual_data.total_val += src->Rssi; | |
350 | ||
351 | padapter->recvpriv.signal_qual_data. | |
352 | elements[padapter->recvpriv.signal_qual_data. | |
353 | index++] = src->Rssi; | |
354 | if (padapter->recvpriv.signal_qual_data.index >= | |
355 | PHY_LINKQUALITY_SLID_WIN_MAX) | |
356 | padapter->recvpriv.signal_qual_data.index = 0; | |
357 | /* <1> Showed on UI for user, in percentage. */ | |
358 | tmpVal = padapter->recvpriv.signal_qual_data.total_val / | |
359 | padapter->recvpriv.signal_qual_data.total_num; | |
360 | padapter->recvpriv.signal = (u8)tmpVal; | |
361 | ||
362 | src->Rssi = padapter->recvpriv.signal; | |
363 | } else | |
364 | src->Rssi = (src->Rssi + dst->Rssi) / 2; | |
365 | memcpy((u8 *)dst, (u8 *)src, r8712_get_ndis_wlan_bssid_ex_sz(src)); | |
366 | } | |
367 | ||
368 | static void update_current_network(struct _adapter *adapter, | |
369 | struct ndis_wlan_bssid_ex *pnetwork) | |
370 | { | |
371 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
372 | ||
373 | if (is_same_network(&(pmlmepriv->cur_network.network), pnetwork)) { | |
374 | update_network(&(pmlmepriv->cur_network.network), | |
375 | pnetwork, adapter); | |
376 | r8712_update_protection(adapter, | |
377 | (pmlmepriv->cur_network.network.IEs) + | |
378 | sizeof(struct NDIS_802_11_FIXED_IEs), | |
379 | pmlmepriv->cur_network.network.IELength); | |
380 | } | |
381 | } | |
382 | ||
383 | /* | |
384 | Caller must hold pmlmepriv->lock first. | |
385 | */ | |
386 | static void update_scanned_network(struct _adapter *adapter, | |
387 | struct ndis_wlan_bssid_ex *target) | |
388 | { | |
389 | struct list_head *plist, *phead; | |
390 | ||
391 | u32 bssid_ex_sz; | |
392 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
393 | struct __queue *queue = &pmlmepriv->scanned_queue; | |
394 | struct wlan_network *pnetwork = NULL; | |
395 | struct wlan_network *oldest = NULL; | |
396 | ||
397 | phead = get_list_head(queue); | |
398 | plist = get_next(phead); | |
399 | ||
400 | while (1) { | |
401 | if (end_of_queue_search(phead, plist) == true) | |
402 | break; | |
403 | ||
404 | pnetwork = LIST_CONTAINOR(plist, struct wlan_network, list); | |
405 | if (is_same_network(&pnetwork->network, target)) | |
406 | break; | |
407 | if ((oldest == ((struct wlan_network *)0)) || | |
408 | time_after((unsigned long)oldest->last_scanned, | |
409 | (unsigned long)pnetwork->last_scanned)) | |
410 | oldest = pnetwork; | |
411 | ||
412 | plist = get_next(plist); | |
413 | } | |
414 | ||
415 | ||
416 | /* If we didn't find a match, then get a new network slot to initialize | |
417 | * with this beacon's information */ | |
418 | if (end_of_queue_search(phead, plist) == true) { | |
419 | if (_queue_empty(&pmlmepriv->free_bss_pool) == true) { | |
420 | /* If there are no more slots, expire the oldest */ | |
421 | pnetwork = oldest; | |
422 | target->Rssi = (pnetwork->network.Rssi + | |
423 | target->Rssi) / 2; | |
424 | memcpy(&pnetwork->network, target, | |
425 | r8712_get_ndis_wlan_bssid_ex_sz(target)); | |
426 | pnetwork->last_scanned = jiffies; | |
427 | } else { | |
428 | /* Otherwise just pull from the free list */ | |
429 | /* update scan_time */ | |
430 | pnetwork = alloc_network(pmlmepriv); | |
431 | if (pnetwork == NULL) | |
432 | return; | |
433 | bssid_ex_sz = r8712_get_ndis_wlan_bssid_ex_sz(target); | |
434 | target->Length = bssid_ex_sz; | |
435 | memcpy(&pnetwork->network, target, bssid_ex_sz); | |
436 | list_insert_tail(&pnetwork->list, &queue->queue); | |
437 | } | |
438 | } else { | |
439 | /* we have an entry and we are going to update it. But | |
440 | * this entry may be already expired. In this case we | |
441 | * do the same as we found a new net and call the new_net | |
442 | * handler | |
443 | */ | |
444 | update_network(&pnetwork->network, target, adapter); | |
445 | pnetwork->last_scanned = jiffies; | |
446 | } | |
447 | } | |
448 | ||
449 | static void rtl8711_add_network(struct _adapter *adapter, | |
450 | struct ndis_wlan_bssid_ex *pnetwork) | |
451 | { | |
452 | unsigned long irqL; | |
453 | struct mlme_priv *pmlmepriv = &(((struct _adapter *)adapter)->mlmepriv); | |
454 | struct __queue *queue = &pmlmepriv->scanned_queue; | |
455 | ||
456 | spin_lock_irqsave(&queue->lock, irqL); | |
457 | update_current_network(adapter, pnetwork); | |
458 | update_scanned_network(adapter, pnetwork); | |
459 | spin_unlock_irqrestore(&queue->lock, irqL); | |
460 | } | |
461 | ||
462 | /*select the desired network based on the capability of the (i)bss. | |
463 | * check items: (1) security | |
464 | * (2) network_type | |
465 | * (3) WMM | |
466 | * (4) HT | |
467 | * (5) others | |
468 | */ | |
469 | static int is_desired_network(struct _adapter *adapter, | |
470 | struct wlan_network *pnetwork) | |
471 | { | |
472 | u8 wps_ie[512]; | |
473 | uint wps_ielen; | |
474 | int bselected = true; | |
475 | struct security_priv *psecuritypriv = &adapter->securitypriv; | |
476 | ||
477 | if (psecuritypriv->wps_phase == true) { | |
478 | if (r8712_get_wps_ie(pnetwork->network.IEs, | |
479 | pnetwork->network.IELength, wps_ie, | |
480 | &wps_ielen) == true) | |
481 | return true; | |
482 | else | |
483 | return false; | |
484 | } | |
485 | if ((psecuritypriv->PrivacyAlgrthm != _NO_PRIVACY_) && | |
486 | (pnetwork->network.Privacy == 0)) | |
487 | bselected = false; | |
488 | return bselected; | |
489 | } | |
490 | ||
491 | /* TODO: Perry : For Power Management */ | |
492 | void r8712_atimdone_event_callback(struct _adapter *adapter , u8 *pbuf) | |
493 | { | |
494 | } | |
495 | ||
496 | void r8712_survey_event_callback(struct _adapter *adapter, u8 *pbuf) | |
497 | { | |
498 | unsigned long flags; | |
499 | u32 len; | |
500 | struct ndis_wlan_bssid_ex *pnetwork; | |
501 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
502 | ||
503 | pnetwork = (struct ndis_wlan_bssid_ex *)pbuf; | |
504 | #ifdef __BIG_ENDIAN | |
505 | /* endian_convert */ | |
506 | pnetwork->Length = le32_to_cpu(pnetwork->Length); | |
507 | pnetwork->Ssid.SsidLength = le32_to_cpu(pnetwork->Ssid.SsidLength); | |
508 | pnetwork->Privacy = le32_to_cpu(pnetwork->Privacy); | |
509 | pnetwork->Rssi = le32_to_cpu(pnetwork->Rssi); | |
510 | pnetwork->NetworkTypeInUse = le32_to_cpu(pnetwork->NetworkTypeInUse); | |
511 | pnetwork->Configuration.ATIMWindow = | |
512 | le32_to_cpu(pnetwork->Configuration.ATIMWindow); | |
513 | pnetwork->Configuration.BeaconPeriod = | |
514 | le32_to_cpu(pnetwork->Configuration.BeaconPeriod); | |
515 | pnetwork->Configuration.DSConfig = | |
516 | le32_to_cpu(pnetwork->Configuration.DSConfig); | |
517 | pnetwork->Configuration.FHConfig.DwellTime = | |
518 | le32_to_cpu(pnetwork->Configuration.FHConfig.DwellTime); | |
519 | pnetwork->Configuration.FHConfig.HopPattern = | |
520 | le32_to_cpu(pnetwork->Configuration.FHConfig.HopPattern); | |
521 | pnetwork->Configuration.FHConfig.HopSet = | |
522 | le32_to_cpu(pnetwork->Configuration.FHConfig.HopSet); | |
523 | pnetwork->Configuration.FHConfig.Length = | |
524 | le32_to_cpu(pnetwork->Configuration.FHConfig.Length); | |
525 | pnetwork->Configuration.Length = | |
526 | le32_to_cpu(pnetwork->Configuration.Length); | |
527 | pnetwork->InfrastructureMode = | |
528 | le32_to_cpu(pnetwork->InfrastructureMode); | |
529 | pnetwork->IELength = le32_to_cpu(pnetwork->IELength); | |
530 | #endif | |
531 | len = r8712_get_ndis_wlan_bssid_ex_sz(pnetwork); | |
532 | if (len > sizeof(struct wlan_bssid_ex)) | |
533 | return; | |
534 | spin_lock_irqsave(&pmlmepriv->lock2, flags); | |
535 | /* update IBSS_network 's timestamp */ | |
536 | if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) { | |
537 | if (!memcmp(&(pmlmepriv->cur_network.network.MacAddress), | |
538 | pnetwork->MacAddress, ETH_ALEN)) { | |
539 | struct wlan_network *ibss_wlan = NULL; | |
540 | ||
541 | memcpy(pmlmepriv->cur_network.network.IEs, | |
542 | pnetwork->IEs, 8); | |
543 | ibss_wlan = r8712_find_network( | |
544 | &pmlmepriv->scanned_queue, | |
545 | pnetwork->MacAddress); | |
546 | if (!ibss_wlan) { | |
547 | memcpy(ibss_wlan->network.IEs, | |
548 | pnetwork->IEs, 8); | |
549 | goto exit; | |
550 | } | |
551 | } | |
552 | } | |
553 | /* lock pmlmepriv->lock when you accessing network_q */ | |
554 | if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == false) { | |
555 | if (pnetwork->Ssid.Ssid[0] != 0) | |
556 | rtl8711_add_network(adapter, pnetwork); | |
557 | else { | |
558 | pnetwork->Ssid.SsidLength = 8; | |
559 | memcpy(pnetwork->Ssid.Ssid, "<hidden>", 8); | |
560 | rtl8711_add_network(adapter, pnetwork); | |
561 | } | |
562 | } | |
563 | exit: | |
564 | spin_unlock_irqrestore(&pmlmepriv->lock2, flags); | |
565 | } | |
566 | ||
567 | void r8712_surveydone_event_callback(struct _adapter *adapter, u8 *pbuf) | |
568 | { | |
569 | unsigned long irqL; | |
570 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
571 | ||
572 | spin_lock_irqsave(&pmlmepriv->lock, irqL); | |
573 | ||
574 | if (check_fwstate(pmlmepriv, _FW_UNDER_SURVEY) == true) { | |
575 | u8 timer_cancelled; | |
576 | ||
577 | _cancel_timer(&pmlmepriv->scan_to_timer, &timer_cancelled); | |
578 | ||
579 | _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); | |
580 | } | |
581 | ||
582 | if (pmlmepriv->to_join == true) { | |
583 | if ((check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) { | |
584 | if (check_fwstate(pmlmepriv, _FW_LINKED) == false) { | |
585 | set_fwstate(pmlmepriv, _FW_UNDER_LINKING); | |
586 | ||
587 | if (r8712_select_and_join_from_scan(pmlmepriv) | |
588 | == _SUCCESS) | |
589 | _set_timer(&pmlmepriv->assoc_timer, | |
590 | MAX_JOIN_TIMEOUT); | |
591 | else { | |
592 | struct wlan_bssid_ex *pdev_network = | |
593 | &(adapter->registrypriv.dev_network); | |
594 | u8 *pibss = | |
595 | adapter->registrypriv. | |
596 | dev_network.MacAddress; | |
597 | pmlmepriv->fw_state ^= _FW_UNDER_SURVEY; | |
598 | memset(&pdev_network->Ssid, 0, | |
599 | sizeof(struct | |
600 | ndis_802_11_ssid)); | |
601 | memcpy(&pdev_network->Ssid, | |
602 | &pmlmepriv->assoc_ssid, | |
603 | sizeof(struct | |
604 | ndis_802_11_ssid)); | |
605 | r8712_update_registrypriv_dev_network | |
606 | (adapter); | |
607 | r8712_generate_random_ibss(pibss); | |
608 | pmlmepriv->fw_state = | |
609 | WIFI_ADHOC_MASTER_STATE; | |
610 | pmlmepriv->to_join = false; | |
611 | } | |
612 | } | |
613 | } else { | |
614 | pmlmepriv->to_join = false; | |
615 | set_fwstate(pmlmepriv, _FW_UNDER_LINKING); | |
616 | if (r8712_select_and_join_from_scan(pmlmepriv) == | |
617 | _SUCCESS) | |
618 | _set_timer(&pmlmepriv->assoc_timer, | |
619 | MAX_JOIN_TIMEOUT); | |
620 | else | |
621 | _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); | |
622 | } | |
623 | } | |
624 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); | |
625 | } | |
626 | ||
627 | /* | |
628 | *r8712_free_assoc_resources: the caller has to lock pmlmepriv->lock | |
629 | */ | |
630 | void r8712_free_assoc_resources(struct _adapter *adapter) | |
631 | { | |
632 | unsigned long irqL; | |
633 | struct wlan_network *pwlan = NULL; | |
634 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
635 | struct sta_priv *pstapriv = &adapter->stapriv; | |
636 | struct wlan_network *tgt_network = &pmlmepriv->cur_network; | |
637 | ||
638 | pwlan = r8712_find_network(&pmlmepriv->scanned_queue, | |
639 | tgt_network->network.MacAddress); | |
640 | ||
641 | if (check_fwstate(pmlmepriv, WIFI_STATION_STATE|WIFI_AP_STATE)) { | |
642 | struct sta_info *psta; | |
643 | ||
644 | psta = r8712_get_stainfo(&adapter->stapriv, | |
645 | tgt_network->network.MacAddress); | |
646 | ||
647 | spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL); | |
648 | r8712_free_stainfo(adapter, psta); | |
649 | spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL); | |
650 | } | |
651 | ||
652 | if (check_fwstate(pmlmepriv, | |
653 | WIFI_ADHOC_STATE|WIFI_ADHOC_MASTER_STATE|WIFI_AP_STATE)) | |
654 | r8712_free_all_stainfo(adapter); | |
655 | if (pwlan) | |
656 | pwlan->fixed = false; | |
657 | ||
658 | if (((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE)) && | |
659 | (adapter->stapriv.asoc_sta_count == 1))) | |
660 | free_network_nolock(pmlmepriv, pwlan); | |
661 | } | |
662 | ||
663 | /* | |
664 | *r8712_indicate_connect: the caller has to lock pmlmepriv->lock | |
665 | */ | |
666 | void r8712_indicate_connect(struct _adapter *padapter) | |
667 | { | |
668 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
669 | ||
670 | pmlmepriv->to_join = false; | |
671 | set_fwstate(pmlmepriv, _FW_LINKED); | |
672 | padapter->ledpriv.LedControlHandler(padapter, LED_CTL_LINK); | |
673 | r8712_os_indicate_connect(padapter); | |
674 | if (padapter->registrypriv.power_mgnt > PS_MODE_ACTIVE) | |
675 | _set_timer(&pmlmepriv->dhcp_timer, 60000); | |
676 | } | |
677 | ||
678 | ||
679 | /* | |
680 | *r8712_ind_disconnect: the caller has to lock pmlmepriv->lock | |
681 | */ | |
682 | void r8712_ind_disconnect(struct _adapter *padapter) | |
683 | { | |
684 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
685 | ||
686 | _clr_fwstate_(pmlmepriv, _FW_LINKED); | |
687 | padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK); | |
688 | r8712_os_indicate_disconnect(padapter); | |
689 | if (padapter->pwrctrlpriv.pwr_mode != | |
690 | padapter->registrypriv.power_mgnt) { | |
691 | _cancel_timer_ex(&pmlmepriv->dhcp_timer); | |
692 | r8712_set_ps_mode(padapter, padapter->registrypriv.power_mgnt, | |
693 | padapter->registrypriv.smart_ps); | |
694 | } | |
695 | } | |
696 | ||
697 | /*Notes: | |
698 | *pnetwork : returns from r8712_joinbss_event_callback | |
699 | *ptarget_wlan: found from scanned_queue | |
700 | *if join_res > 0, for (fw_state==WIFI_STATION_STATE), we check if | |
701 | * "ptarget_sta" & "ptarget_wlan" exist. | |
702 | *if join_res > 0, for (fw_state==WIFI_ADHOC_STATE), we only check | |
703 | * if "ptarget_wlan" exist. | |
704 | *if join_res > 0, update "cur_network->network" from | |
705 | * "pnetwork->network" if (ptarget_wlan !=NULL). | |
706 | */ | |
707 | void r8712_joinbss_event_callback(struct _adapter *adapter, u8 *pbuf) | |
708 | { | |
709 | unsigned long irqL = 0, irqL2; | |
710 | u8 timer_cancelled; | |
711 | struct sta_info *ptarget_sta = NULL, *pcur_sta = NULL; | |
712 | struct sta_priv *pstapriv = &adapter->stapriv; | |
713 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
714 | struct wlan_network *cur_network = &pmlmepriv->cur_network; | |
715 | struct wlan_network *pcur_wlan = NULL, *ptarget_wlan = NULL; | |
716 | unsigned int the_same_macaddr = false; | |
717 | struct wlan_network *pnetwork; | |
718 | ||
719 | if (sizeof(struct list_head) == 4 * sizeof(u32)) { | |
720 | pnetwork = (struct wlan_network *) | |
721 | _malloc(sizeof(struct wlan_network)); | |
722 | memcpy((u8 *)pnetwork+16, (u8 *)pbuf + 8, | |
723 | sizeof(struct wlan_network) - 16); | |
724 | } else | |
725 | pnetwork = (struct wlan_network *)pbuf; | |
726 | ||
727 | #ifdef __BIG_ENDIAN | |
728 | /* endian_convert */ | |
729 | pnetwork->join_res = le32_to_cpu(pnetwork->join_res); | |
730 | pnetwork->network_type = le32_to_cpu(pnetwork->network_type); | |
731 | pnetwork->network.Length = le32_to_cpu(pnetwork->network.Length); | |
732 | pnetwork->network.Ssid.SsidLength = | |
733 | le32_to_cpu(pnetwork->network.Ssid.SsidLength); | |
734 | pnetwork->network.Privacy = le32_to_cpu(pnetwork->network.Privacy); | |
735 | pnetwork->network.Rssi = le32_to_cpu(pnetwork->network.Rssi); | |
736 | pnetwork->network.NetworkTypeInUse = | |
737 | le32_to_cpu(pnetwork->network.NetworkTypeInUse); | |
738 | pnetwork->network.Configuration.ATIMWindow = | |
739 | le32_to_cpu(pnetwork->network.Configuration.ATIMWindow); | |
740 | pnetwork->network.Configuration.BeaconPeriod = | |
741 | le32_to_cpu(pnetwork->network.Configuration.BeaconPeriod); | |
742 | pnetwork->network.Configuration.DSConfig = | |
743 | le32_to_cpu(pnetwork->network.Configuration.DSConfig); | |
744 | pnetwork->network.Configuration.FHConfig.DwellTime = | |
745 | le32_to_cpu(pnetwork->network.Configuration.FHConfig. | |
746 | DwellTime); | |
747 | pnetwork->network.Configuration.FHConfig.HopPattern = | |
748 | le32_to_cpu(pnetwork->network.Configuration. | |
749 | FHConfig.HopPattern); | |
750 | pnetwork->network.Configuration.FHConfig.HopSet = | |
751 | le32_to_cpu(pnetwork->network.Configuration.FHConfig.HopSet); | |
752 | pnetwork->network.Configuration.FHConfig.Length = | |
753 | le32_to_cpu(pnetwork->network.Configuration.FHConfig.Length); | |
754 | pnetwork->network.Configuration.Length = | |
755 | le32_to_cpu(pnetwork->network.Configuration.Length); | |
756 | pnetwork->network.InfrastructureMode = | |
757 | le32_to_cpu(pnetwork->network.InfrastructureMode); | |
758 | pnetwork->network.IELength = le32_to_cpu(pnetwork->network.IELength); | |
759 | #endif | |
760 | ||
761 | the_same_macaddr = !memcmp(pnetwork->network.MacAddress, | |
762 | cur_network->network.MacAddress, ETH_ALEN); | |
763 | pnetwork->network.Length = | |
764 | r8712_get_ndis_wlan_bssid_ex_sz(&pnetwork->network); | |
765 | spin_lock_irqsave(&pmlmepriv->lock, irqL); | |
766 | if (pnetwork->network.Length > sizeof(struct wlan_bssid_ex)) | |
767 | goto ignore_joinbss_callback; | |
768 | if (pnetwork->join_res > 0) { | |
769 | if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) { | |
770 | /*s1. find ptarget_wlan*/ | |
771 | if (check_fwstate(pmlmepriv, _FW_LINKED) == true) { | |
772 | if (the_same_macaddr == true) | |
773 | ptarget_wlan = | |
774 | r8712_find_network(&pmlmepriv-> | |
775 | scanned_queue, | |
776 | cur_network->network.MacAddress); | |
777 | else { | |
778 | pcur_wlan = | |
779 | r8712_find_network(&pmlmepriv-> | |
780 | scanned_queue, | |
781 | cur_network->network.MacAddress); | |
782 | pcur_wlan->fixed = false; | |
783 | ||
784 | pcur_sta = r8712_get_stainfo(pstapriv, | |
785 | cur_network->network.MacAddress); | |
786 | spin_lock_irqsave(&pstapriv-> | |
787 | sta_hash_lock, irqL2); | |
788 | r8712_free_stainfo(adapter, pcur_sta); | |
789 | spin_unlock_irqrestore(&(pstapriv-> | |
790 | sta_hash_lock), irqL2); | |
791 | ||
792 | ptarget_wlan = | |
793 | r8712_find_network(&pmlmepriv-> | |
794 | scanned_queue, | |
795 | pnetwork->network. | |
796 | MacAddress); | |
797 | if (ptarget_wlan) | |
798 | ptarget_wlan->fixed = true; | |
799 | } | |
800 | } else { | |
801 | ptarget_wlan = r8712_find_network(&pmlmepriv-> | |
802 | scanned_queue, | |
803 | pnetwork->network.MacAddress); | |
804 | if (ptarget_wlan) | |
805 | ptarget_wlan->fixed = true; | |
806 | } | |
807 | ||
808 | if (ptarget_wlan == NULL) { | |
809 | if (check_fwstate(pmlmepriv, | |
810 | _FW_UNDER_LINKING)) | |
811 | pmlmepriv->fw_state ^= | |
812 | _FW_UNDER_LINKING; | |
813 | goto ignore_joinbss_callback; | |
814 | } | |
815 | ||
816 | /*s2. find ptarget_sta & update ptarget_sta*/ | |
817 | if (check_fwstate(pmlmepriv, WIFI_STATION_STATE)) { | |
818 | if (the_same_macaddr == true) { | |
819 | ptarget_sta = | |
820 | r8712_get_stainfo(pstapriv, | |
821 | pnetwork->network.MacAddress); | |
822 | if (ptarget_sta == NULL) | |
823 | ptarget_sta = | |
824 | r8712_alloc_stainfo(pstapriv, | |
825 | pnetwork->network.MacAddress); | |
826 | } else | |
827 | ptarget_sta = | |
828 | r8712_alloc_stainfo(pstapriv, | |
829 | pnetwork->network.MacAddress); | |
830 | if (ptarget_sta) /*update ptarget_sta*/ { | |
831 | ptarget_sta->aid = pnetwork->join_res; | |
832 | ptarget_sta->qos_option = 1; | |
833 | ptarget_sta->mac_id = 5; | |
834 | if (adapter->securitypriv. | |
835 | AuthAlgrthm == 2) { | |
836 | adapter->securitypriv. | |
837 | binstallGrpkey = | |
838 | false; | |
839 | adapter->securitypriv. | |
840 | busetkipkey = | |
841 | false; | |
842 | adapter->securitypriv. | |
843 | bgrpkey_handshake = | |
844 | false; | |
845 | ptarget_sta->ieee8021x_blocked | |
846 | = true; | |
847 | ptarget_sta->XPrivacy = | |
848 | adapter->securitypriv. | |
849 | PrivacyAlgrthm; | |
850 | memset((u8 *)&ptarget_sta-> | |
851 | x_UncstKey, | |
852 | 0, | |
853 | sizeof(union Keytype)); | |
854 | memset((u8 *)&ptarget_sta-> | |
855 | tkiprxmickey, | |
856 | 0, | |
857 | sizeof(union Keytype)); | |
858 | memset((u8 *)&ptarget_sta-> | |
859 | tkiptxmickey, | |
860 | 0, | |
861 | sizeof(union Keytype)); | |
862 | memset((u8 *)&ptarget_sta-> | |
863 | txpn, 0, | |
864 | sizeof(union pn48)); | |
865 | memset((u8 *)&ptarget_sta-> | |
866 | rxpn, 0, | |
867 | sizeof(union pn48)); | |
868 | } | |
869 | } else { | |
870 | if (check_fwstate(pmlmepriv, | |
871 | _FW_UNDER_LINKING)) | |
872 | pmlmepriv->fw_state ^= | |
873 | _FW_UNDER_LINKING; | |
874 | goto ignore_joinbss_callback; | |
875 | } | |
876 | } | |
877 | ||
878 | /*s3. update cur_network & indicate connect*/ | |
879 | memcpy(&cur_network->network, &pnetwork->network, | |
880 | pnetwork->network.Length); | |
881 | cur_network->aid = pnetwork->join_res; | |
882 | /*update fw_state will clr _FW_UNDER_LINKING*/ | |
883 | switch (pnetwork->network.InfrastructureMode) { | |
884 | case Ndis802_11Infrastructure: | |
885 | pmlmepriv->fw_state = WIFI_STATION_STATE; | |
886 | break; | |
887 | case Ndis802_11IBSS: | |
888 | pmlmepriv->fw_state = WIFI_ADHOC_STATE; | |
889 | break; | |
890 | default: | |
891 | pmlmepriv->fw_state = WIFI_NULL_STATE; | |
892 | break; | |
893 | } | |
894 | r8712_update_protection(adapter, | |
895 | (cur_network->network.IEs) + | |
896 | sizeof(struct NDIS_802_11_FIXED_IEs), | |
897 | (cur_network->network.IELength)); | |
898 | /*TODO: update HT_Capability*/ | |
899 | update_ht_cap(adapter, cur_network->network.IEs, | |
900 | cur_network->network.IELength); | |
901 | /*indicate connect*/ | |
902 | if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) | |
903 | == true) | |
904 | r8712_indicate_connect(adapter); | |
905 | _cancel_timer(&pmlmepriv->assoc_timer, | |
906 | &timer_cancelled); | |
907 | } else | |
908 | goto ignore_joinbss_callback; | |
909 | } else { | |
910 | if (check_fwstate(pmlmepriv, _FW_UNDER_LINKING) == true) { | |
911 | _set_timer(&pmlmepriv->assoc_timer, 1); | |
912 | _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); | |
913 | } | |
914 | } | |
915 | ignore_joinbss_callback: | |
916 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); | |
917 | if (sizeof(struct list_head) == 4 * sizeof(u32)) | |
918 | kfree((u8 *)pnetwork); | |
919 | } | |
920 | ||
921 | void r8712_stassoc_event_callback(struct _adapter *adapter, u8 *pbuf) | |
922 | { | |
923 | unsigned long irqL; | |
924 | struct sta_info *psta; | |
925 | struct mlme_priv *pmlmepriv = &(adapter->mlmepriv); | |
926 | struct stassoc_event *pstassoc = (struct stassoc_event *)pbuf; | |
927 | ||
928 | /* to do: */ | |
929 | if (r8712_access_ctrl(&adapter->acl_list, pstassoc->macaddr) == false) | |
930 | return; | |
931 | psta = r8712_get_stainfo(&adapter->stapriv, pstassoc->macaddr); | |
932 | if (psta != NULL) { | |
933 | /*the sta have been in sta_info_queue => do nothing | |
934 | *(between drv has received this event before and | |
935 | * fw have not yet to set key to CAM_ENTRY) */ | |
936 | return; | |
937 | } | |
938 | ||
939 | psta = r8712_alloc_stainfo(&adapter->stapriv, pstassoc->macaddr); | |
940 | if (psta == NULL) | |
941 | return; | |
942 | /* to do : init sta_info variable */ | |
943 | psta->qos_option = 0; | |
944 | psta->mac_id = le32_to_cpu((uint)pstassoc->cam_id); | |
945 | /* psta->aid = (uint)pstassoc->cam_id; */ | |
946 | ||
947 | if (adapter->securitypriv.AuthAlgrthm == 2) | |
948 | psta->XPrivacy = adapter->securitypriv.PrivacyAlgrthm; | |
949 | psta->ieee8021x_blocked = false; | |
950 | spin_lock_irqsave(&pmlmepriv->lock, irqL); | |
951 | if ((check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE) == true) || | |
952 | (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE) == true)) { | |
953 | if (adapter->stapriv.asoc_sta_count == 2) { | |
954 | /* a sta + bc/mc_stainfo (not Ibss_stainfo) */ | |
955 | r8712_indicate_connect(adapter); | |
956 | } | |
957 | } | |
958 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); | |
959 | } | |
960 | ||
961 | void r8712_stadel_event_callback(struct _adapter *adapter, u8 *pbuf) | |
962 | { | |
963 | unsigned long irqL, irqL2; | |
964 | struct sta_info *psta; | |
965 | struct wlan_network *pwlan = NULL; | |
966 | struct wlan_bssid_ex *pdev_network = NULL; | |
967 | u8 *pibss = NULL; | |
968 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
969 | struct stadel_event *pstadel = (struct stadel_event *)pbuf; | |
970 | struct sta_priv *pstapriv = &adapter->stapriv; | |
971 | struct wlan_network *tgt_network = &pmlmepriv->cur_network; | |
972 | ||
973 | spin_lock_irqsave(&pmlmepriv->lock, irqL2); | |
974 | if (check_fwstate(pmlmepriv, WIFI_STATION_STATE) == true) { | |
975 | r8712_ind_disconnect(adapter); | |
976 | r8712_free_assoc_resources(adapter); | |
977 | } | |
978 | if (check_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE | | |
979 | WIFI_ADHOC_STATE)) { | |
980 | psta = r8712_get_stainfo(&adapter->stapriv, pstadel->macaddr); | |
981 | spin_lock_irqsave(&pstapriv->sta_hash_lock, irqL); | |
982 | r8712_free_stainfo(adapter, psta); | |
983 | spin_unlock_irqrestore(&pstapriv->sta_hash_lock, irqL); | |
984 | if (adapter->stapriv.asoc_sta_count == 1) { | |
985 | /*a sta + bc/mc_stainfo (not Ibss_stainfo) */ | |
986 | pwlan = r8712_find_network(&pmlmepriv->scanned_queue, | |
987 | tgt_network->network.MacAddress); | |
988 | if (pwlan) { | |
989 | pwlan->fixed = false; | |
990 | free_network_nolock(pmlmepriv, pwlan); | |
991 | } | |
992 | /*re-create ibss*/ | |
993 | pdev_network = &(adapter->registrypriv.dev_network); | |
994 | pibss = adapter->registrypriv.dev_network.MacAddress; | |
995 | memcpy(pdev_network, &tgt_network->network, | |
996 | r8712_get_ndis_wlan_bssid_ex_sz(&tgt_network-> | |
997 | network)); | |
998 | memset(&pdev_network->Ssid, 0, | |
999 | sizeof(struct ndis_802_11_ssid)); | |
1000 | memcpy(&pdev_network->Ssid, | |
1001 | &pmlmepriv->assoc_ssid, | |
1002 | sizeof(struct ndis_802_11_ssid)); | |
1003 | r8712_update_registrypriv_dev_network(adapter); | |
1004 | r8712_generate_random_ibss(pibss); | |
1005 | if (check_fwstate(pmlmepriv, WIFI_ADHOC_STATE)) { | |
1006 | _clr_fwstate_(pmlmepriv, WIFI_ADHOC_STATE); | |
1007 | set_fwstate(pmlmepriv, WIFI_ADHOC_MASTER_STATE); | |
1008 | } | |
1009 | } | |
1010 | } | |
1011 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL2); | |
1012 | } | |
1013 | ||
1014 | void r8712_cpwm_event_callback(struct _adapter *adapter, u8 *pbuf) | |
1015 | { | |
1016 | struct reportpwrstate_parm *preportpwrstate = | |
1017 | (struct reportpwrstate_parm *)pbuf; | |
1018 | ||
1019 | preportpwrstate->state |= (u8)(adapter->pwrctrlpriv.cpwm_tog + 0x80); | |
1020 | r8712_cpwm_int_hdl(adapter, preportpwrstate); | |
1021 | } | |
1022 | ||
1023 | /* When the Netgear 3500 AP is with WPA2PSK-AES mode, it will send | |
1024 | * the ADDBA req frame with start seq control = 0 to wifi client after | |
1025 | * the WPA handshake and the seqence number of following data packet | |
1026 | * will be 0. In this case, the Rx reorder sequence is not longer than 0 | |
1027 | * and the WiFi client will drop the data with seq number 0. | |
1028 | * So, the 8712 firmware has to inform driver with receiving the | |
1029 | * ADDBA-Req frame so that the driver can reset the | |
1030 | * sequence value of Rx reorder contorl. | |
1031 | */ | |
1032 | void r8712_got_addbareq_event_callback(struct _adapter *adapter, u8 *pbuf) | |
1033 | { | |
1034 | struct ADDBA_Req_Report_parm *pAddbareq_pram = | |
1035 | (struct ADDBA_Req_Report_parm *)pbuf; | |
1036 | struct sta_info *psta; | |
1037 | struct sta_priv *pstapriv = &adapter->stapriv; | |
1038 | struct recv_reorder_ctrl *precvreorder_ctrl = NULL; | |
2865d42c LF |
1039 | |
1040 | printk(KERN_INFO "r8712u: [%s] mac = %pM, seq = %d, tid = %d\n", | |
1041 | __func__, pAddbareq_pram->MacAddress, | |
1042 | pAddbareq_pram->StartSeqNum, pAddbareq_pram->tid); | |
1043 | psta = r8712_get_stainfo(pstapriv, pAddbareq_pram->MacAddress); | |
2e04fc83 LF |
1044 | if (psta) { |
1045 | precvreorder_ctrl = | |
1046 | &psta->recvreorder_ctrl[pAddbareq_pram->tid]; | |
1047 | /* set the indicate_seq to 0xffff so that the rx reorder | |
1048 | * can store any following data packet. | |
1049 | */ | |
1050 | precvreorder_ctrl->indicate_seq = 0xffff; | |
1051 | } | |
2865d42c LF |
1052 | } |
1053 | ||
1054 | void r8712_wpspbc_event_callback(struct _adapter *adapter, u8 *pbuf) | |
1055 | { | |
1056 | if (adapter->securitypriv.wps_hw_pbc_pressed == false) | |
1057 | adapter->securitypriv.wps_hw_pbc_pressed = true; | |
1058 | } | |
1059 | ||
1060 | void _r8712_sitesurvey_ctrl_handler(struct _adapter *adapter) | |
1061 | { | |
1062 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
1063 | struct sitesurvey_ctrl *psitesurveyctrl = &pmlmepriv->sitesurveyctrl; | |
1064 | struct registry_priv *pregistrypriv = &adapter->registrypriv; | |
1065 | u64 current_tx_pkts; | |
1066 | uint current_rx_pkts; | |
1067 | ||
1068 | current_tx_pkts = (adapter->xmitpriv.tx_pkts) - | |
1069 | (psitesurveyctrl->last_tx_pkts); | |
1070 | current_rx_pkts = (adapter->recvpriv.rx_pkts) - | |
1071 | (psitesurveyctrl->last_rx_pkts); | |
1072 | psitesurveyctrl->last_tx_pkts = adapter->xmitpriv.tx_pkts; | |
1073 | psitesurveyctrl->last_rx_pkts = adapter->recvpriv.rx_pkts; | |
1074 | if ((current_tx_pkts > pregistrypriv->busy_thresh) || | |
1075 | (current_rx_pkts > pregistrypriv->busy_thresh)) | |
1076 | psitesurveyctrl->traffic_busy = true; | |
1077 | else | |
1078 | psitesurveyctrl->traffic_busy = false; | |
1079 | } | |
1080 | ||
1081 | void _r8712_join_timeout_handler(struct _adapter *adapter) | |
1082 | { | |
1083 | unsigned long irqL; | |
1084 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
1085 | ||
1086 | if (adapter->bDriverStopped || adapter->bSurpriseRemoved) | |
1087 | return; | |
1088 | spin_lock_irqsave(&pmlmepriv->lock, irqL); | |
1089 | _clr_fwstate_(pmlmepriv, _FW_UNDER_LINKING); | |
1090 | pmlmepriv->to_join = false; | |
1091 | if (check_fwstate(pmlmepriv, _FW_LINKED) == true) { | |
1092 | r8712_os_indicate_disconnect(adapter); | |
1093 | _clr_fwstate_(pmlmepriv, _FW_LINKED); | |
1094 | } | |
1095 | if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) { | |
1096 | r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt, | |
1097 | adapter->registrypriv.smart_ps); | |
1098 | } | |
1099 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); | |
1100 | } | |
1101 | ||
1102 | void r8712_scan_timeout_handler (struct _adapter *adapter) | |
1103 | { | |
1104 | unsigned long irqL; | |
1105 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
1106 | ||
1107 | spin_lock_irqsave(&pmlmepriv->lock, irqL); | |
1108 | _clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY); | |
1109 | pmlmepriv->to_join = false; /* scan fail, so clear to_join flag */ | |
1110 | spin_unlock_irqrestore(&pmlmepriv->lock, irqL); | |
1111 | } | |
1112 | ||
1113 | void _r8712_dhcp_timeout_handler (struct _adapter *adapter) | |
1114 | { | |
1115 | if (adapter->bDriverStopped || adapter->bSurpriseRemoved) | |
1116 | return; | |
1117 | if (adapter->pwrctrlpriv.pwr_mode != adapter->registrypriv.power_mgnt) | |
1118 | r8712_set_ps_mode(adapter, adapter->registrypriv.power_mgnt, | |
1119 | adapter->registrypriv.smart_ps); | |
1120 | } | |
1121 | ||
1122 | void _r8712_wdg_timeout_handler(struct _adapter *adapter) | |
1123 | { | |
1124 | r8712_wdg_wk_cmd(adapter); | |
1125 | } | |
1126 | ||
1127 | int r8712_select_and_join_from_scan(struct mlme_priv *pmlmepriv) | |
1128 | { | |
1129 | struct list_head *phead; | |
1130 | unsigned char *dst_ssid, *src_ssid; | |
1131 | struct _adapter *adapter; | |
1132 | struct __queue *queue = NULL; | |
1133 | struct wlan_network *pnetwork = NULL; | |
1134 | struct wlan_network *pnetwork_max_rssi = NULL; | |
1135 | ||
1136 | adapter = (struct _adapter *)pmlmepriv->nic_hdl; | |
1137 | queue = &pmlmepriv->scanned_queue; | |
1138 | phead = get_list_head(queue); | |
1139 | pmlmepriv->pscanned = get_next(phead); | |
1140 | while (1) { | |
1141 | if (end_of_queue_search(phead, pmlmepriv->pscanned) == true) { | |
1142 | if ((pmlmepriv->assoc_by_rssi == true) && | |
1143 | (pnetwork_max_rssi != NULL)) { | |
1144 | pnetwork = pnetwork_max_rssi; | |
1145 | goto ask_for_joinbss; | |
1146 | } | |
1147 | return _FAIL; | |
1148 | } | |
1149 | pnetwork = LIST_CONTAINOR(pmlmepriv->pscanned, | |
1150 | struct wlan_network, list); | |
1151 | if (pnetwork == NULL) | |
1152 | return _FAIL; | |
1153 | pmlmepriv->pscanned = get_next(pmlmepriv->pscanned); | |
1154 | if (pmlmepriv->assoc_by_bssid == true) { | |
1155 | dst_ssid = pnetwork->network.MacAddress; | |
1156 | src_ssid = pmlmepriv->assoc_bssid; | |
1157 | if (!memcmp(dst_ssid, src_ssid, ETH_ALEN)) { | |
1158 | if (check_fwstate(pmlmepriv, _FW_LINKED)) { | |
1159 | if (is_same_network(&pmlmepriv-> | |
1160 | cur_network.network, | |
1161 | &pnetwork->network)) { | |
1162 | _clr_fwstate_(pmlmepriv, | |
1163 | _FW_UNDER_LINKING); | |
1164 | /*r8712_indicate_connect again*/ | |
1165 | r8712_indicate_connect(adapter); | |
1166 | return 2; | |
1167 | } | |
1168 | r8712_disassoc_cmd(adapter); | |
1169 | r8712_ind_disconnect(adapter); | |
1170 | r8712_free_assoc_resources(adapter); | |
1171 | } | |
1172 | goto ask_for_joinbss; | |
1173 | } | |
1174 | } else if (pmlmepriv->assoc_ssid.SsidLength == 0) | |
1175 | goto ask_for_joinbss; | |
1176 | dst_ssid = pnetwork->network.Ssid.Ssid; | |
1177 | src_ssid = pmlmepriv->assoc_ssid.Ssid; | |
1178 | if ((pnetwork->network.Ssid.SsidLength == | |
1179 | pmlmepriv->assoc_ssid.SsidLength) && | |
1180 | (!memcmp(dst_ssid, src_ssid, | |
1181 | pmlmepriv->assoc_ssid.SsidLength))) { | |
1182 | if (pmlmepriv->assoc_by_rssi == true) { | |
1183 | /* if the ssid is the same, select the bss | |
1184 | * which has the max rssi*/ | |
1185 | if (pnetwork_max_rssi) { | |
1186 | if (pnetwork->network.Rssi > | |
1187 | pnetwork_max_rssi->network.Rssi) | |
1188 | pnetwork_max_rssi = pnetwork; | |
1189 | } else | |
1190 | pnetwork_max_rssi = pnetwork; | |
1191 | } else if (is_desired_network(adapter, pnetwork)) { | |
1192 | if (check_fwstate(pmlmepriv, _FW_LINKED)) { | |
1193 | r8712_disassoc_cmd(adapter); | |
1194 | r8712_free_assoc_resources(adapter); | |
1195 | } | |
1196 | goto ask_for_joinbss; | |
1197 | } | |
1198 | } | |
1199 | } | |
1200 | return _FAIL; | |
1201 | ask_for_joinbss: | |
1202 | return r8712_joinbss_cmd(adapter, pnetwork); | |
1203 | } | |
1204 | ||
1205 | sint r8712_set_auth(struct _adapter *adapter, | |
1206 | struct security_priv *psecuritypriv) | |
1207 | { | |
1208 | struct cmd_priv *pcmdpriv = &adapter->cmdpriv; | |
1209 | struct cmd_obj *pcmd; | |
1210 | struct setauth_parm *psetauthparm; | |
1211 | sint ret = _SUCCESS; | |
1212 | ||
1213 | pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj)); | |
1214 | if (pcmd == NULL) | |
1215 | return _FAIL; | |
1216 | ||
1217 | psetauthparm = (struct setauth_parm *)_malloc( | |
1218 | sizeof(struct setauth_parm)); | |
1219 | if (psetauthparm == NULL) { | |
1220 | kfree((unsigned char *)pcmd); | |
1221 | return _FAIL; | |
1222 | } | |
1223 | memset(psetauthparm, 0, sizeof(struct setauth_parm)); | |
1224 | psetauthparm->mode = (u8)psecuritypriv->AuthAlgrthm; | |
1225 | pcmd->cmdcode = _SetAuth_CMD_; | |
1226 | pcmd->parmbuf = (unsigned char *)psetauthparm; | |
1227 | pcmd->cmdsz = sizeof(struct setauth_parm); | |
1228 | pcmd->rsp = NULL; | |
1229 | pcmd->rspsz = 0; | |
1230 | _init_listhead(&pcmd->list); | |
1231 | r8712_enqueue_cmd(pcmdpriv, pcmd); | |
1232 | return ret; | |
1233 | } | |
1234 | ||
1235 | sint r8712_set_key(struct _adapter *adapter, | |
1236 | struct security_priv *psecuritypriv, | |
1237 | sint keyid) | |
1238 | { | |
1239 | struct cmd_priv *pcmdpriv = &adapter->cmdpriv; | |
1240 | struct cmd_obj *pcmd; | |
1241 | struct setkey_parm *psetkeyparm; | |
1242 | u8 keylen; | |
1243 | ||
1244 | pcmd = (struct cmd_obj *)_malloc(sizeof(struct cmd_obj)); | |
1245 | if (pcmd == NULL) | |
1246 | return _FAIL; | |
1247 | psetkeyparm = (struct setkey_parm *)_malloc(sizeof(struct setkey_parm)); | |
1248 | if (psetkeyparm == NULL) { | |
1249 | kfree((unsigned char *)pcmd); | |
1250 | return _FAIL; | |
1251 | } | |
1252 | memset(psetkeyparm, 0, sizeof(struct setkey_parm)); | |
1253 | if (psecuritypriv->AuthAlgrthm == 2) { /* 802.1X */ | |
1254 | psetkeyparm->algorithm = | |
1255 | (u8)psecuritypriv->XGrpPrivacy; | |
1256 | } else { /* WEP */ | |
1257 | psetkeyparm->algorithm = | |
1258 | (u8)psecuritypriv->PrivacyAlgrthm; | |
1259 | } | |
1260 | psetkeyparm->keyid = (u8)keyid; | |
1261 | ||
1262 | switch (psetkeyparm->algorithm) { | |
1263 | case _WEP40_: | |
1264 | keylen = 5; | |
1265 | memcpy(psetkeyparm->key, | |
1266 | psecuritypriv->DefKey[keyid].skey, keylen); | |
1267 | break; | |
1268 | case _WEP104_: | |
1269 | keylen = 13; | |
1270 | memcpy(psetkeyparm->key, | |
1271 | psecuritypriv->DefKey[keyid].skey, keylen); | |
1272 | break; | |
1273 | case _TKIP_: | |
1274 | keylen = 16; | |
1275 | memcpy(psetkeyparm->key, | |
1276 | &psecuritypriv->XGrpKey[keyid - 1], keylen); | |
1277 | psetkeyparm->grpkey = 1; | |
1278 | break; | |
1279 | case _AES_: | |
1280 | keylen = 16; | |
1281 | memcpy(psetkeyparm->key, | |
1282 | &psecuritypriv->XGrpKey[keyid - 1], keylen); | |
1283 | psetkeyparm->grpkey = 1; | |
1284 | break; | |
1285 | default: | |
1286 | return _FAIL; | |
1287 | } | |
1288 | pcmd->cmdcode = _SetKey_CMD_; | |
1289 | pcmd->parmbuf = (u8 *)psetkeyparm; | |
1290 | pcmd->cmdsz = (sizeof(struct setkey_parm)); | |
1291 | pcmd->rsp = NULL; | |
1292 | pcmd->rspsz = 0; | |
1293 | _init_listhead(&pcmd->list); | |
1294 | r8712_enqueue_cmd(pcmdpriv, pcmd); | |
1295 | return _SUCCESS; | |
1296 | } | |
1297 | ||
1298 | /* adjust IEs for r8712_joinbss_cmd in WMM */ | |
1299 | int r8712_restruct_wmm_ie(struct _adapter *adapter, u8 *in_ie, u8 *out_ie, | |
1300 | uint in_len, uint initial_out_len) | |
1301 | { | |
1302 | unsigned int ielength = 0; | |
1303 | unsigned int i, j; | |
1304 | ||
1305 | i = 12; /* after the fixed IE */ | |
1306 | while (i < in_len) { | |
1307 | ielength = initial_out_len; | |
1308 | if (in_ie[i] == 0xDD && in_ie[i + 2] == 0x00 && | |
1309 | in_ie[i + 3] == 0x50 && in_ie[i + 4] == 0xF2 && | |
1310 | in_ie[i + 5] == 0x02 && i + 5 < in_len) { | |
1311 | /*WMM element ID and OUI*/ | |
1312 | for (j = i; j < i + 9; j++) { | |
1313 | out_ie[ielength] = in_ie[j]; | |
1314 | ielength++; | |
1315 | } | |
1316 | out_ie[initial_out_len + 1] = 0x07; | |
1317 | out_ie[initial_out_len + 6] = 0x00; | |
1318 | out_ie[initial_out_len + 8] = 0x00; | |
1319 | break; | |
1320 | } | |
1321 | i += (in_ie[i + 1] + 2); /* to the next IE element */ | |
1322 | } | |
1323 | return ielength; | |
1324 | } | |
1325 | ||
1326 | /* | |
1327 | * Ported from 8185: IsInPreAuthKeyList(). | |
1328 | * | |
1329 | * Search by BSSID, | |
1330 | * Return Value: | |
1331 | * -1 :if there is no pre-auth key in the table | |
1332 | * >=0 :if there is pre-auth key, and return the entry id | |
1333 | */ | |
1334 | static int SecIsInPMKIDList(struct _adapter *Adapter, u8 *bssid) | |
1335 | { | |
1336 | struct security_priv *psecuritypriv = &Adapter->securitypriv; | |
1337 | int i = 0; | |
1338 | ||
1339 | do { | |
1340 | if (psecuritypriv->PMKIDList[i].bUsed && | |
1341 | (!memcmp(psecuritypriv->PMKIDList[i].Bssid, | |
1342 | bssid, ETH_ALEN))) | |
1343 | break; | |
1344 | else | |
1345 | i++; | |
1346 | } while (i < NUM_PMKID_CACHE); | |
1347 | ||
1348 | if (i == NUM_PMKID_CACHE) { | |
1349 | i = -1; /* Could not find. */ | |
1350 | } else { | |
1351 | ; /* There is one Pre-Authentication Key for the | |
1352 | * specific BSSID. */ | |
1353 | } | |
1354 | return i; | |
1355 | } | |
1356 | ||
1357 | sint r8712_restruct_sec_ie(struct _adapter *adapter, u8 *in_ie, | |
1358 | u8 *out_ie, uint in_len) | |
1359 | { | |
1360 | u8 authmode = 0, securitytype, match; | |
1361 | u8 sec_ie[255], uncst_oui[4], bkup_ie[255]; | |
1362 | u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01}; | |
1363 | uint ielength, cnt, remove_cnt; | |
1364 | int iEntry; | |
1365 | struct mlme_priv *pmlmepriv = &adapter->mlmepriv; | |
1366 | struct security_priv *psecuritypriv = &adapter->securitypriv; | |
1367 | uint ndisauthmode = psecuritypriv->ndisauthtype; | |
1368 | uint ndissecuritytype = psecuritypriv->ndisencryptstatus; | |
1369 | ||
1370 | if ((ndisauthmode == Ndis802_11AuthModeWPA) || | |
1371 | (ndisauthmode == Ndis802_11AuthModeWPAPSK)) { | |
1372 | authmode = _WPA_IE_ID_; | |
1373 | uncst_oui[0] = 0x0; | |
1374 | uncst_oui[1] = 0x50; | |
1375 | uncst_oui[2] = 0xf2; | |
1376 | } | |
1377 | if ((ndisauthmode == Ndis802_11AuthModeWPA2) || | |
1378 | (ndisauthmode == Ndis802_11AuthModeWPA2PSK)) { | |
1379 | authmode = _WPA2_IE_ID_; | |
1380 | uncst_oui[0] = 0x0; | |
1381 | uncst_oui[1] = 0x0f; | |
1382 | uncst_oui[2] = 0xac; | |
1383 | } | |
1384 | switch (ndissecuritytype) { | |
1385 | case Ndis802_11Encryption1Enabled: | |
1386 | case Ndis802_11Encryption1KeyAbsent: | |
1387 | securitytype = _WEP40_; | |
1388 | uncst_oui[3] = 0x1; | |
1389 | break; | |
1390 | case Ndis802_11Encryption2Enabled: | |
1391 | case Ndis802_11Encryption2KeyAbsent: | |
1392 | securitytype = _TKIP_; | |
1393 | uncst_oui[3] = 0x2; | |
1394 | break; | |
1395 | case Ndis802_11Encryption3Enabled: | |
1396 | case Ndis802_11Encryption3KeyAbsent: | |
1397 | securitytype = _AES_; | |
1398 | uncst_oui[3] = 0x4; | |
1399 | break; | |
1400 | default: | |
1401 | securitytype = _NO_PRIVACY_; | |
1402 | break; | |
1403 | } | |
1404 | /*Search required WPA or WPA2 IE and copy to sec_ie[] */ | |
1405 | cnt = 12; | |
1406 | match = false; | |
1407 | while (cnt < in_len) { | |
1408 | if (in_ie[cnt] == authmode) { | |
1409 | if ((authmode == _WPA_IE_ID_) && | |
1410 | (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) { | |
1411 | memcpy(&sec_ie[0], &in_ie[cnt], | |
1412 | in_ie[cnt + 1] + 2); | |
1413 | match = true; | |
1414 | break; | |
1415 | } | |
1416 | if (authmode == _WPA2_IE_ID_) { | |
1417 | memcpy(&sec_ie[0], &in_ie[cnt], | |
1418 | in_ie[cnt + 1] + 2); | |
1419 | match = true; | |
1420 | break; | |
1421 | } | |
1422 | if (((authmode == _WPA_IE_ID_) && | |
1423 | (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) || | |
1424 | (authmode == _WPA2_IE_ID_)) | |
1425 | memcpy(&bkup_ie[0], &in_ie[cnt], | |
1426 | in_ie[cnt + 1] + 2); | |
1427 | } | |
1428 | cnt += in_ie[cnt+1] + 2; /*get next*/ | |
1429 | } | |
1430 | /*restruct WPA IE or WPA2 IE in sec_ie[] */ | |
1431 | if (match == true) { | |
1432 | if (sec_ie[0] == _WPA_IE_ID_) { | |
1433 | /* parsing SSN IE to select required encryption | |
1434 | * algorithm, and set the bc/mc encryption algorithm */ | |
1435 | while (true) { | |
1436 | /*check wpa_oui tag*/ | |
1437 | if (memcmp(&sec_ie[2], &wpa_oui[0], 4)) { | |
1438 | match = false; | |
1439 | break; | |
1440 | } | |
1441 | if ((sec_ie[6] != 0x01) || (sec_ie[7] != 0x0)) { | |
1442 | /*IE Ver error*/ | |
1443 | match = false; | |
1444 | break; | |
1445 | } | |
1446 | if (!memcmp(&sec_ie[8], &wpa_oui[0], 3)) { | |
1447 | /* get bc/mc encryption type (group | |
1448 | * key type)*/ | |
1449 | switch (sec_ie[11]) { | |
1450 | case 0x0: /*none*/ | |
1451 | psecuritypriv->XGrpPrivacy = | |
1452 | _NO_PRIVACY_; | |
1453 | break; | |
1454 | case 0x1: /*WEP_40*/ | |
1455 | psecuritypriv->XGrpPrivacy = | |
1456 | _WEP40_; | |
1457 | break; | |
1458 | case 0x2: /*TKIP*/ | |
1459 | psecuritypriv->XGrpPrivacy = | |
1460 | _TKIP_; | |
1461 | break; | |
1462 | case 0x3: /*AESCCMP*/ | |
1463 | case 0x4: | |
1464 | psecuritypriv->XGrpPrivacy = | |
1465 | _AES_; | |
1466 | break; | |
1467 | case 0x5: /*WEP_104*/ | |
1468 | psecuritypriv->XGrpPrivacy = | |
1469 | _WEP104_; | |
1470 | break; | |
1471 | } | |
1472 | } else { | |
1473 | match = false; | |
1474 | break; | |
1475 | } | |
1476 | if (sec_ie[12] == 0x01) { | |
1477 | /*check the unicast encryption type*/ | |
1478 | if (memcmp(&sec_ie[14], | |
1479 | &uncst_oui[0], 4)) { | |
1480 | match = false; | |
1481 | break; | |
1482 | ||
1483 | } /*else the uncst_oui is match*/ | |
1484 | } else { /*mixed mode, unicast_enc_type > 1*/ | |
1485 | /*select the uncst_oui and remove | |
1486 | * the other uncst_oui*/ | |
1487 | cnt = sec_ie[12]; | |
1488 | remove_cnt = (cnt-1) * 4; | |
1489 | sec_ie[12] = 0x01; | |
1490 | memcpy(&sec_ie[14], &uncst_oui[0], 4); | |
1491 | /*remove the other unicast suit*/ | |
1492 | memcpy(&sec_ie[18], | |
1493 | &sec_ie[18 + remove_cnt], | |
1494 | sec_ie[1] - 18 + 2 - | |
1495 | remove_cnt); | |
1496 | sec_ie[1] = sec_ie[1] - remove_cnt; | |
1497 | } | |
1498 | break; | |
1499 | } | |
1500 | } | |
1501 | if (authmode == _WPA2_IE_ID_) { | |
1502 | /* parsing RSN IE to select required encryption | |
1503 | * algorithm, and set the bc/mc encryption algorithm */ | |
1504 | while (true) { | |
1505 | if ((sec_ie[2] != 0x01) || (sec_ie[3] != 0x0)) { | |
1506 | /*IE Ver error*/ | |
1507 | match = false; | |
1508 | break; | |
1509 | } | |
1510 | if (!memcmp(&sec_ie[4], &uncst_oui[0], 3)) { | |
1511 | /*get bc/mc encryption type*/ | |
1512 | switch (sec_ie[7]) { | |
1513 | case 0x1: /*WEP_40*/ | |
1514 | psecuritypriv->XGrpPrivacy = | |
1515 | _WEP40_; | |
1516 | break; | |
1517 | case 0x2: /*TKIP*/ | |
1518 | psecuritypriv->XGrpPrivacy = | |
1519 | _TKIP_; | |
1520 | break; | |
1521 | case 0x4: /*AESWRAP*/ | |
1522 | psecuritypriv->XGrpPrivacy = | |
1523 | _AES_; | |
1524 | break; | |
1525 | case 0x5: /*WEP_104*/ | |
1526 | psecuritypriv->XGrpPrivacy = | |
1527 | _WEP104_; | |
1528 | break; | |
1529 | default: /*one*/ | |
1530 | psecuritypriv->XGrpPrivacy = | |
1531 | _NO_PRIVACY_; | |
1532 | break; | |
1533 | } | |
1534 | } else { | |
1535 | match = false; | |
1536 | break; | |
1537 | } | |
1538 | if (sec_ie[8] == 0x01) { | |
1539 | /*check the unicast encryption type*/ | |
1540 | if (memcmp(&sec_ie[10], | |
1541 | &uncst_oui[0], 4)) { | |
1542 | match = false; | |
1543 | break; | |
1544 | } /*else the uncst_oui is match*/ | |
1545 | } else { /*mixed mode, unicast_enc_type > 1*/ | |
1546 | /*select the uncst_oui and remove the | |
1547 | * other uncst_oui*/ | |
1548 | cnt = sec_ie[8]; | |
1549 | remove_cnt = (cnt-1)*4; | |
1550 | sec_ie[8] = 0x01; | |
1551 | memcpy(&sec_ie[10], &uncst_oui[0], 4); | |
1552 | /*remove the other unicast suit*/ | |
1553 | memcpy(&sec_ie[14], | |
1554 | &sec_ie[14 + remove_cnt], | |
1555 | (sec_ie[1] - 14 + 2 - | |
1556 | remove_cnt)); | |
1557 | sec_ie[1] = sec_ie[1]-remove_cnt; | |
1558 | } | |
1559 | break; | |
1560 | } | |
1561 | } | |
1562 | } | |
1563 | if ((authmode == _WPA_IE_ID_) || (authmode == _WPA2_IE_ID_)) { | |
1564 | /*copy fixed ie*/ | |
1565 | memcpy(out_ie, in_ie, 12); | |
1566 | ielength = 12; | |
1567 | /*copy RSN or SSN*/ | |
1568 | if (match == true) { | |
1569 | memcpy(&out_ie[ielength], &sec_ie[0], sec_ie[1]+2); | |
1570 | ielength += sec_ie[1] + 2; | |
1571 | if (authmode == _WPA2_IE_ID_) { | |
1572 | /*the Pre-Authentication bit should be zero*/ | |
1573 | out_ie[ielength - 1] = 0; | |
1574 | out_ie[ielength - 2] = 0; | |
1575 | } | |
1576 | r8712_report_sec_ie(adapter, authmode, sec_ie); | |
1577 | } | |
1578 | } else { | |
1579 | /*copy fixed ie only*/ | |
1580 | memcpy(out_ie, in_ie, 12); | |
1581 | ielength = 12; | |
1582 | if (psecuritypriv->wps_phase == true) { | |
1583 | memcpy(out_ie+ielength, psecuritypriv->wps_ie, | |
1584 | psecuritypriv->wps_ie_len); | |
1585 | ielength += psecuritypriv->wps_ie_len; | |
1586 | } | |
1587 | } | |
1588 | iEntry = SecIsInPMKIDList(adapter, pmlmepriv->assoc_bssid); | |
1589 | if (iEntry < 0) | |
1590 | return ielength; | |
1591 | else { | |
1592 | if (authmode == _WPA2_IE_ID_) { | |
1593 | out_ie[ielength] = 1; | |
1594 | ielength++; | |
1595 | out_ie[ielength] = 0; /*PMKID count = 0x0100*/ | |
1596 | ielength++; | |
1597 | memcpy(&out_ie[ielength], | |
1598 | &psecuritypriv->PMKIDList[iEntry].PMKID, 16); | |
1599 | ielength += 16; | |
1600 | out_ie[13] += 18;/*PMKID length = 2+16*/ | |
1601 | } | |
1602 | } | |
1603 | return ielength; | |
1604 | } | |
1605 | ||
1606 | void r8712_init_registrypriv_dev_network(struct _adapter *adapter) | |
1607 | { | |
1608 | struct registry_priv *pregistrypriv = &adapter->registrypriv; | |
1609 | struct eeprom_priv *peepriv = &adapter->eeprompriv; | |
1610 | struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network; | |
1611 | u8 *myhwaddr = myid(peepriv); | |
1612 | ||
1613 | memcpy(pdev_network->MacAddress, myhwaddr, ETH_ALEN); | |
1614 | memcpy(&pdev_network->Ssid, &pregistrypriv->ssid, | |
1615 | sizeof(struct ndis_802_11_ssid)); | |
1616 | pdev_network->Configuration.Length = | |
1617 | sizeof(struct NDIS_802_11_CONFIGURATION); | |
1618 | pdev_network->Configuration.BeaconPeriod = 100; | |
1619 | pdev_network->Configuration.FHConfig.Length = 0; | |
1620 | pdev_network->Configuration.FHConfig.HopPattern = 0; | |
1621 | pdev_network->Configuration.FHConfig.HopSet = 0; | |
1622 | pdev_network->Configuration.FHConfig.DwellTime = 0; | |
1623 | } | |
1624 | ||
1625 | void r8712_update_registrypriv_dev_network(struct _adapter *adapter) | |
1626 | { | |
1627 | int sz = 0; | |
1628 | struct registry_priv *pregistrypriv = &adapter->registrypriv; | |
1629 | struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network; | |
1630 | struct security_priv *psecuritypriv = &adapter->securitypriv; | |
1631 | struct wlan_network *cur_network = &adapter->mlmepriv.cur_network; | |
1632 | ||
1633 | pdev_network->Privacy = cpu_to_le32(psecuritypriv->PrivacyAlgrthm | |
1634 | > 0 ? 1 : 0) ; /* adhoc no 802.1x */ | |
1635 | pdev_network->Rssi = 0; | |
1636 | switch (pregistrypriv->wireless_mode) { | |
1637 | case WIRELESS_11B: | |
1638 | pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11DS); | |
1639 | break; | |
1640 | case WIRELESS_11G: | |
1641 | case WIRELESS_11BG: | |
1642 | pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM24); | |
1643 | break; | |
1644 | case WIRELESS_11A: | |
1645 | pdev_network->NetworkTypeInUse = cpu_to_le32(Ndis802_11OFDM5); | |
1646 | break; | |
1647 | default: | |
1648 | /* TODO */ | |
1649 | break; | |
1650 | } | |
1651 | pdev_network->Configuration.DSConfig = cpu_to_le32( | |
1652 | pregistrypriv->channel); | |
1653 | if (cur_network->network.InfrastructureMode == Ndis802_11IBSS) | |
1654 | pdev_network->Configuration.ATIMWindow = cpu_to_le32(3); | |
1655 | pdev_network->InfrastructureMode = cpu_to_le32( | |
1656 | cur_network->network.InfrastructureMode); | |
1657 | /* 1. Supported rates | |
1658 | * 2. IE | |
1659 | */ | |
1660 | sz = r8712_generate_ie(pregistrypriv, adapter); | |
1661 | pdev_network->IELength = sz; | |
1662 | pdev_network->Length = r8712_get_ndis_wlan_bssid_ex_sz( | |
1663 | (struct ndis_wlan_bssid_ex *)pdev_network); | |
1664 | } | |
1665 | ||
25985edc | 1666 | /*the function is at passive_level*/ |
2865d42c LF |
1667 | void r8712_joinbss_reset(struct _adapter *padapter) |
1668 | { | |
1669 | int i; | |
1670 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
1671 | struct ht_priv *phtpriv = &pmlmepriv->htpriv; | |
1672 | ||
1673 | /* todo: if you want to do something io/reg/hw setting before join_bss, | |
1674 | * please add code here */ | |
1675 | phtpriv->ampdu_enable = false;/*reset to disabled*/ | |
1676 | for (i = 0; i < 16; i++) | |
1677 | phtpriv->baddbareq_issued[i] = false;/*reset it*/ | |
1678 | if (phtpriv->ht_option) { | |
1679 | /* validate usb rx aggregation */ | |
1680 | r8712_write8(padapter, 0x102500D9, 48);/*TH = 48 pages, 6k*/ | |
1681 | } else { | |
1682 | /* invalidate usb rx aggregation */ | |
1683 | /* TH=1 => means that invalidate usb rx aggregation */ | |
1684 | r8712_write8(padapter, 0x102500D9, 1); | |
1685 | } | |
1686 | } | |
1687 | ||
1688 | /*the function is >= passive_level*/ | |
1689 | unsigned int r8712_restructure_ht_ie(struct _adapter *padapter, u8 *in_ie, | |
1690 | u8 *out_ie, uint in_len, uint *pout_len) | |
1691 | { | |
1692 | u32 ielen, out_len; | |
1693 | unsigned char *p, *pframe; | |
1694 | struct ieee80211_ht_cap ht_capie; | |
1695 | unsigned char WMM_IE[] = {0x00, 0x50, 0xf2, 0x02, 0x00, 0x01, 0x00}; | |
1696 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
1697 | struct qos_priv *pqospriv = &pmlmepriv->qospriv; | |
1698 | struct ht_priv *phtpriv = &pmlmepriv->htpriv; | |
1699 | ||
1700 | phtpriv->ht_option = 0; | |
1701 | p = r8712_get_ie(in_ie+12, _HT_CAPABILITY_IE_, &ielen, in_len-12); | |
1702 | if (p && (ielen > 0)) { | |
1703 | if (pqospriv->qos_option == 0) { | |
1704 | out_len = *pout_len; | |
1705 | pframe = r8712_set_ie(out_ie+out_len, | |
1706 | _VENDOR_SPECIFIC_IE_, | |
1707 | _WMM_IE_Length_, | |
1708 | WMM_IE, pout_len); | |
1709 | pqospriv->qos_option = 1; | |
1710 | } | |
1711 | out_len = *pout_len; | |
1712 | memset(&ht_capie, 0, sizeof(struct ieee80211_ht_cap)); | |
1713 | ht_capie.cap_info = IEEE80211_HT_CAP_SUP_WIDTH | | |
1714 | IEEE80211_HT_CAP_SGI_20 | | |
1715 | IEEE80211_HT_CAP_SGI_40 | | |
1716 | IEEE80211_HT_CAP_TX_STBC | | |
1717 | IEEE80211_HT_CAP_MAX_AMSDU | | |
1718 | IEEE80211_HT_CAP_DSSSCCK40; | |
1719 | ht_capie.ampdu_params_info = (IEEE80211_HT_CAP_AMPDU_FACTOR & | |
1720 | 0x03) | (IEEE80211_HT_CAP_AMPDU_DENSITY & 0x00); | |
1721 | pframe = r8712_set_ie(out_ie+out_len, _HT_CAPABILITY_IE_, | |
1722 | sizeof(struct ieee80211_ht_cap), | |
1723 | (unsigned char *)&ht_capie, pout_len); | |
1724 | phtpriv->ht_option = 1; | |
1725 | } | |
1726 | return phtpriv->ht_option; | |
1727 | } | |
1728 | ||
25985edc | 1729 | /* the function is > passive_level (in critical_section) */ |
2865d42c LF |
1730 | static void update_ht_cap(struct _adapter *padapter, u8 *pie, uint ie_len) |
1731 | { | |
1732 | u8 *p, max_ampdu_sz; | |
1733 | int i, len; | |
1734 | struct sta_info *bmc_sta, *psta; | |
1735 | struct ieee80211_ht_cap *pht_capie; | |
1736 | struct ieee80211_ht_addt_info *pht_addtinfo; | |
1737 | struct recv_reorder_ctrl *preorder_ctrl; | |
1738 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
1739 | struct ht_priv *phtpriv = &pmlmepriv->htpriv; | |
1740 | struct registry_priv *pregistrypriv = &padapter->registrypriv; | |
1741 | struct wlan_network *pcur_network = &(pmlmepriv->cur_network); | |
1742 | ||
1743 | if (!phtpriv->ht_option) | |
1744 | return; | |
1745 | /* maybe needs check if ap supports rx ampdu. */ | |
1746 | if ((phtpriv->ampdu_enable == false) && | |
1747 | (pregistrypriv->ampdu_enable == 1)) | |
1748 | phtpriv->ampdu_enable = true; | |
1749 | /*check Max Rx A-MPDU Size*/ | |
1750 | len = 0; | |
1751 | p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs), | |
1752 | _HT_CAPABILITY_IE_, | |
1753 | &len, ie_len - | |
1754 | sizeof(struct NDIS_802_11_FIXED_IEs)); | |
1755 | if (p && len > 0) { | |
1756 | pht_capie = (struct ieee80211_ht_cap *)(p+2); | |
1757 | max_ampdu_sz = (pht_capie->ampdu_params_info & | |
1758 | IEEE80211_HT_CAP_AMPDU_FACTOR); | |
1759 | /* max_ampdu_sz (kbytes); */ | |
1760 | max_ampdu_sz = 1 << (max_ampdu_sz+3); | |
1761 | phtpriv->rx_ampdu_maxlen = max_ampdu_sz; | |
1762 | } | |
1763 | /* for A-MPDU Rx reordering buffer control for bmc_sta & sta_info | |
1764 | * if A-MPDU Rx is enabled, reseting rx_ordering_ctrl | |
1765 | * wstart_b(indicate_seq) to default value=0xffff | |
1766 | * todo: check if AP can send A-MPDU packets | |
1767 | */ | |
1768 | bmc_sta = r8712_get_bcmc_stainfo(padapter); | |
1769 | if (bmc_sta) { | |
1770 | for (i = 0; i < 16; i++) { | |
1771 | preorder_ctrl = &bmc_sta->recvreorder_ctrl[i]; | |
1772 | preorder_ctrl->indicate_seq = 0xffff; | |
1773 | preorder_ctrl->wend_b = 0xffff; | |
1774 | } | |
1775 | } | |
1776 | psta = r8712_get_stainfo(&padapter->stapriv, | |
1777 | pcur_network->network.MacAddress); | |
1778 | if (psta) { | |
1779 | for (i = 0; i < 16 ; i++) { | |
1780 | preorder_ctrl = &psta->recvreorder_ctrl[i]; | |
1781 | preorder_ctrl->indicate_seq = 0xffff; | |
1782 | preorder_ctrl->wend_b = 0xffff; | |
1783 | } | |
1784 | } | |
1785 | len = 0; | |
1786 | p = r8712_get_ie(pie + sizeof(struct NDIS_802_11_FIXED_IEs), | |
1787 | _HT_ADD_INFO_IE_, &len, | |
1788 | ie_len-sizeof(struct NDIS_802_11_FIXED_IEs)); | |
1789 | if (p && len > 0) | |
1790 | pht_addtinfo = (struct ieee80211_ht_addt_info *)(p + 2); | |
1791 | } | |
1792 | ||
1793 | void r8712_issue_addbareq_cmd(struct _adapter *padapter, int priority) | |
1794 | { | |
1795 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
1796 | struct ht_priv *phtpriv = &pmlmepriv->htpriv; | |
1797 | ||
1798 | if ((phtpriv->ht_option == 1) && (phtpriv->ampdu_enable == true)) { | |
1799 | if (phtpriv->baddbareq_issued[priority] == false) { | |
1800 | r8712_addbareq_cmd(padapter, (u8)priority); | |
1801 | phtpriv->baddbareq_issued[priority] = true; | |
1802 | } | |
1803 | } | |
1804 | } | |
1805 | ||
25985edc | 1806 | /*the function is >= passive_level*/ |
2865d42c LF |
1807 | unsigned int r8712_add_ht_addt_info(struct _adapter *padapter, |
1808 | u8 *in_ie, u8 *out_ie, | |
1809 | uint in_len, uint *pout_len) | |
1810 | { | |
1811 | u32 ielen, out_len = 0; | |
1812 | unsigned char *p, *pframe; | |
1813 | struct ieee80211_ht_addt_info ht_addt_info; | |
1814 | struct mlme_priv *pmlmepriv = &padapter->mlmepriv; | |
1815 | struct ht_priv *phtpriv = &pmlmepriv->htpriv; | |
1816 | struct registry_priv *pregistrypriv = &padapter->registrypriv; | |
1817 | out_len = *pout_len; | |
1818 | ||
1819 | if (pregistrypriv->ht_enable == 1) { | |
1820 | p = r8712_get_ie(in_ie+12, _HT_ADD_INFO_IE_, | |
1821 | &ielen, in_len - 12); | |
1822 | if (p && (ielen > 0)) { | |
1823 | ; /* dummy branch */ | |
1824 | } else { | |
1825 | if (p == NULL) { | |
1826 | int sz = sizeof(struct ieee80211_ht_addt_info); | |
1827 | memset(&ht_addt_info, 0, sz); | |
1828 | /*need to add the HT additional IEs*/ | |
1829 | ht_addt_info.control_chan = | |
1830 | pregistrypriv->channel; | |
1831 | pframe = r8712_set_ie(out_ie + out_len, | |
1832 | _HT_ADD_INFO_IE_, | |
1833 | sz, | |
1834 | (unsigned char *)&ht_addt_info, | |
1835 | pout_len); | |
1836 | } | |
1837 | } | |
1838 | } | |
1839 | return phtpriv->ht_option; | |
1840 | } |