1
2
3
4#define _IEEE80211_C
5
6#include "../include/drv_types.h"
7#include "../include/ieee80211.h"
8#include "../include/wifi.h"
9#include "../include/osdep_service.h"
10#include "../include/wlan_bssdef.h"
11#include "../include/usb_osintf.h"
12
13u8 RTW_WPA_OUI_TYPE[] = { 0x00, 0x50, 0xf2, 1 };
14u16 RTW_WPA_VERSION = 1;
15u8 WPA_AUTH_KEY_MGMT_NONE[] = { 0x00, 0x50, 0xf2, 0 };
16u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[] = { 0x00, 0x50, 0xf2, 1 };
17u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[] = { 0x00, 0x50, 0xf2, 2 };
18u8 WPA_CIPHER_SUITE_NONE[] = { 0x00, 0x50, 0xf2, 0 };
19u8 WPA_CIPHER_SUITE_WEP40[] = { 0x00, 0x50, 0xf2, 1 };
20u8 WPA_CIPHER_SUITE_TKIP[] = { 0x00, 0x50, 0xf2, 2 };
21u8 WPA_CIPHER_SUITE_WRAP[] = { 0x00, 0x50, 0xf2, 3 };
22u8 WPA_CIPHER_SUITE_CCMP[] = { 0x00, 0x50, 0xf2, 4 };
23u8 WPA_CIPHER_SUITE_WEP104[] = { 0x00, 0x50, 0xf2, 5 };
24
25u16 RSN_VERSION_BSD = 1;
26u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[] = { 0x00, 0x0f, 0xac, 1 };
27u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[] = { 0x00, 0x0f, 0xac, 2 };
28u8 RSN_CIPHER_SUITE_NONE[] = { 0x00, 0x0f, 0xac, 0 };
29u8 RSN_CIPHER_SUITE_WEP40[] = { 0x00, 0x0f, 0xac, 1 };
30u8 RSN_CIPHER_SUITE_TKIP[] = { 0x00, 0x0f, 0xac, 2 };
31u8 RSN_CIPHER_SUITE_WRAP[] = { 0x00, 0x0f, 0xac, 3 };
32u8 RSN_CIPHER_SUITE_CCMP[] = { 0x00, 0x0f, 0xac, 4 };
33u8 RSN_CIPHER_SUITE_WEP104[] = { 0x00, 0x0f, 0xac, 5 };
34
35
36
37
38static u8 WIFI_CCKRATES[] = {
39 (IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK),
40 (IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK),
41 (IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK),
42 (IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK)
43 };
44
45static u8 WIFI_OFDMRATES[] = {
46 (IEEE80211_OFDM_RATE_6MB),
47 (IEEE80211_OFDM_RATE_9MB),
48 (IEEE80211_OFDM_RATE_12MB),
49 (IEEE80211_OFDM_RATE_18MB),
50 (IEEE80211_OFDM_RATE_24MB),
51 IEEE80211_OFDM_RATE_36MB,
52 IEEE80211_OFDM_RATE_48MB,
53 IEEE80211_OFDM_RATE_54MB
54 };
55
56int rtw_get_bit_value_from_ieee_value(u8 val)
57{
58 unsigned char dot11_rate_table[] = {
59 2, 4, 11, 22, 12, 18, 24, 36, 48,
60 72, 96, 108, 0};
61
62 int i = 0;
63 while (dot11_rate_table[i] != 0) {
64 if (dot11_rate_table[i] == val)
65 return BIT(i);
66 i++;
67 }
68 return 0;
69}
70
71uint rtw_is_cckrates_included(u8 *rate)
72{
73 u32 i = 0;
74
75 while (rate[i] != 0) {
76 if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
77 (((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
78 return true;
79 i++;
80 }
81 return false;
82}
83
84uint rtw_is_cckratesonly_included(u8 *rate)
85{
86 u32 i = 0;
87
88 while (rate[i] != 0) {
89 if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
90 (((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
91 return false;
92 i++;
93 }
94
95 return true;
96}
97
98int rtw_check_network_type(unsigned char *rate, int ratelen, int channel)
99{
100 if (channel > 14) {
101 return WIRELESS_INVALID;
102 } else {
103 if (rtw_is_cckratesonly_included(rate))
104 return WIRELESS_11B;
105 else if (rtw_is_cckrates_included(rate))
106 return WIRELESS_11BG;
107 else
108 return WIRELESS_11G;
109 }
110}
111
112u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source,
113 unsigned int *frlen)
114{
115 memcpy((void *)pbuf, (void *)source, len);
116 *frlen = *frlen + len;
117 return pbuf + len;
118}
119
120
121u8 *rtw_set_ie
122(
123 u8 *pbuf,
124 int index,
125 uint len,
126 u8 *source,
127 uint *frlen
128)
129{
130
131 *pbuf = (u8)index;
132
133 *(pbuf + 1) = (u8)len;
134
135 if (len > 0)
136 memcpy((void *)(pbuf + 2), (void *)source, len);
137
138 *frlen = *frlen + (len + 2);
139
140 return pbuf + len + 2;
141}
142
143inline u8 *rtw_set_ie_ch_switch(u8 *buf, u32 *buf_len, u8 ch_switch_mode,
144 u8 new_ch, u8 ch_switch_cnt)
145{
146 u8 ie_data[3];
147
148 ie_data[0] = ch_switch_mode;
149 ie_data[1] = new_ch;
150 ie_data[2] = ch_switch_cnt;
151 return rtw_set_ie(buf, WLAN_EID_CHANNEL_SWITCH, 3, ie_data, buf_len);
152}
153
154inline u8 secondary_ch_offset_to_hal_ch_offset(u8 ch_offset)
155{
156 if (ch_offset == SCN)
157 return HAL_PRIME_CHNL_OFFSET_DONT_CARE;
158 else if (ch_offset == SCA)
159 return HAL_PRIME_CHNL_OFFSET_UPPER;
160 else if (ch_offset == SCB)
161 return HAL_PRIME_CHNL_OFFSET_LOWER;
162
163 return HAL_PRIME_CHNL_OFFSET_DONT_CARE;
164}
165
166inline u8 hal_ch_offset_to_secondary_ch_offset(u8 ch_offset)
167{
168 if (ch_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)
169 return SCN;
170 else if (ch_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
171 return SCB;
172 else if (ch_offset == HAL_PRIME_CHNL_OFFSET_UPPER)
173 return SCA;
174
175 return SCN;
176}
177
178inline u8 *rtw_set_ie_secondary_ch_offset(u8 *buf, u32 *buf_len, u8 secondary_ch_offset)
179{
180 return rtw_set_ie(buf, WLAN_EID_SECONDARY_CHANNEL_OFFSET, 1, &secondary_ch_offset, buf_len);
181}
182
183inline u8 *rtw_set_ie_mesh_ch_switch_parm(u8 *buf, u32 *buf_len, u8 ttl,
184 u8 flags, u16 reason, u16 precedence)
185{
186 u8 ie_data[6];
187
188 ie_data[0] = ttl;
189 ie_data[1] = flags;
190 *(u16 *)(ie_data + 2) = cpu_to_le16(reason);
191 *(u16 *)(ie_data + 4) = cpu_to_le16(precedence);
192
193 return rtw_set_ie(buf, 0x118, 6, ie_data, buf_len);
194}
195
196
197
198
199u8 *rtw_get_ie(u8 *pbuf, int index, int *len, int limit)
200{
201 int tmp, i;
202 u8 *p;
203
204 if (limit < 1) {
205
206 return NULL;
207 }
208
209 p = pbuf;
210 i = 0;
211 *len = 0;
212 while (1) {
213 if (*p == index) {
214 *len = *(p + 1);
215 return p;
216 } else {
217 tmp = *(p + 1);
218 p += (tmp + 2);
219 i += (tmp + 2);
220 }
221 if (i >= limit)
222 break;
223 }
224
225 return NULL;
226}
227
228
229
230
231
232
233
234
235
236
237
238
239
240u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen)
241{
242 uint cnt;
243 u8 *target_ie = NULL;
244
245 if (ielen)
246 *ielen = 0;
247
248 if (!in_ie || in_len <= 0)
249 return target_ie;
250
251 cnt = 0;
252
253 while (cnt < in_len) {
254 if (eid == in_ie[cnt] && (!oui || !memcmp(&in_ie[cnt + 2], oui, oui_len))) {
255 target_ie = &in_ie[cnt];
256
257 if (ie)
258 memcpy(ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
259
260 if (ielen)
261 *ielen = in_ie[cnt + 1] + 2;
262
263 break;
264 } else {
265 cnt += in_ie[cnt + 1] + 2;
266 }
267 }
268 return target_ie;
269}
270
271
272
273
274
275
276
277
278
279
280
281
282int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len)
283{
284 int ret = _FAIL;
285 u8 *target_ie;
286 u32 target_ielen;
287 u8 *start;
288 uint search_len;
289
290 if (!ies || !ies_len || *ies_len <= offset)
291 goto exit;
292
293 start = ies + offset;
294 search_len = *ies_len - offset;
295
296 while (1) {
297 target_ie = rtw_get_ie_ex(start, search_len, eid, oui, oui_len, NULL, &target_ielen);
298 if (target_ie && target_ielen) {
299 u8 buf[MAX_IE_SZ] = {0};
300 u8 *remain_ies = target_ie + target_ielen;
301 uint remain_len = search_len - (remain_ies - start);
302
303 memcpy(buf, remain_ies, remain_len);
304 memcpy(target_ie, buf, remain_len);
305 *ies_len = *ies_len - target_ielen;
306 ret = _SUCCESS;
307
308 start = target_ie;
309 search_len = remain_len;
310 } else {
311 break;
312 }
313 }
314exit:
315 return ret;
316}
317
318void rtw_set_supported_rate(u8 *SupportedRates, uint mode)
319{
320
321 memset(SupportedRates, 0, NDIS_802_11_LENGTH_RATES_EX);
322
323 switch (mode) {
324 case WIRELESS_11B:
325 memcpy(SupportedRates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
326 break;
327 case WIRELESS_11G:
328 memcpy(SupportedRates, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
329 break;
330 case WIRELESS_11BG:
331 case WIRELESS_11G_24N:
332 case WIRELESS_11_24N:
333 case WIRELESS_11BG_24N:
334 memcpy(SupportedRates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
335 memcpy(SupportedRates + IEEE80211_CCK_RATE_LEN, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
336 break;
337 }
338
339}
340
341uint rtw_get_rateset_len(u8 *rateset)
342{
343 uint i = 0;
344
345 while (1) {
346 if ((rateset[i]) == 0)
347 break;
348 if (i > 12)
349 break;
350 i++;
351 }
352
353 return i;
354}
355
356int rtw_generate_ie(struct registry_priv *pregistrypriv)
357{
358 u8 wireless_mode;
359 int sz = 0, rateLen;
360 struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
361 u8 *ie = pdev_network->IEs;
362
363
364 sz += 8;
365 ie += sz;
366
367
368 *(__le16 *)ie = cpu_to_le16((u16)pdev_network->Configuration.BeaconPeriod);
369 sz += 2;
370 ie += 2;
371
372
373 *(u16 *)ie = 0;
374
375 *(__le16 *)ie |= cpu_to_le16(cap_IBSS);
376
377 if (pregistrypriv->preamble == PREAMBLE_SHORT)
378 *(__le16 *)ie |= cpu_to_le16(cap_ShortPremble);
379
380 if (pdev_network->Privacy)
381 *(__le16 *)ie |= cpu_to_le16(cap_Privacy);
382
383 sz += 2;
384 ie += 2;
385
386
387 ie = rtw_set_ie(ie, _SSID_IE_, pdev_network->Ssid.SsidLength, pdev_network->Ssid.Ssid, &sz);
388
389
390 wireless_mode = pregistrypriv->wireless_mode;
391
392 rtw_set_supported_rate(pdev_network->SupportedRates, wireless_mode);
393
394 rateLen = rtw_get_rateset_len(pdev_network->SupportedRates);
395
396 if (rateLen > 8) {
397 ie = rtw_set_ie(ie, _SUPPORTEDRATES_IE_, 8, pdev_network->SupportedRates, &sz);
398
399 } else {
400 ie = rtw_set_ie(ie, _SUPPORTEDRATES_IE_, rateLen, pdev_network->SupportedRates, &sz);
401 }
402
403
404 ie = rtw_set_ie(ie, _DSSET_IE_, 1, (u8 *)&pdev_network->Configuration.DSConfig, &sz);
405
406
407
408 ie = rtw_set_ie(ie, _IBSS_PARA_IE_, 2, (u8 *)&pdev_network->Configuration.ATIMWindow, &sz);
409
410 if (rateLen > 8)
411 ie = rtw_set_ie(ie, _EXT_SUPPORTEDRATES_IE_, (rateLen - 8), (pdev_network->SupportedRates + 8), &sz);
412
413 return sz;
414}
415
416unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit)
417{
418 int len;
419 u16 val16;
420 __le16 le_tmp;
421 unsigned char wpa_oui_type[] = {0x00, 0x50, 0xf2, 0x01};
422 u8 *pbuf = pie;
423 int limit_new = limit;
424
425 while (1) {
426 pbuf = rtw_get_ie(pbuf, _WPA_IE_ID_, &len, limit_new);
427
428 if (pbuf) {
429
430 if (memcmp((pbuf + 2), wpa_oui_type, sizeof(wpa_oui_type)))
431 goto check_next_ie;
432
433
434 memcpy((u8 *)&le_tmp, (pbuf + 6), sizeof(val16));
435
436 val16 = le16_to_cpu(le_tmp);
437 if (val16 != 0x0001)
438 goto check_next_ie;
439 *wpa_ie_len = *(pbuf + 1);
440 return pbuf;
441 } else {
442 *wpa_ie_len = 0;
443 return NULL;
444 }
445
446check_next_ie:
447 limit_new = limit - (pbuf - pie) - 2 - len;
448 if (limit_new <= 0)
449 break;
450 pbuf += (2 + len);
451 }
452 *wpa_ie_len = 0;
453 return NULL;
454}
455
456unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit)
457{
458
459 return rtw_get_ie(pie, _WPA2_IE_ID_, rsn_ie_len, limit);
460}
461
462int rtw_get_wpa_cipher_suite(u8 *s)
463{
464 if (!memcmp(s, WPA_CIPHER_SUITE_NONE, WPA_SELECTOR_LEN))
465 return WPA_CIPHER_NONE;
466 if (!memcmp(s, WPA_CIPHER_SUITE_WEP40, WPA_SELECTOR_LEN))
467 return WPA_CIPHER_WEP40;
468 if (!memcmp(s, WPA_CIPHER_SUITE_TKIP, WPA_SELECTOR_LEN))
469 return WPA_CIPHER_TKIP;
470 if (!memcmp(s, WPA_CIPHER_SUITE_CCMP, WPA_SELECTOR_LEN))
471 return WPA_CIPHER_CCMP;
472 if (!memcmp(s, WPA_CIPHER_SUITE_WEP104, WPA_SELECTOR_LEN))
473 return WPA_CIPHER_WEP104;
474
475 return 0;
476}
477
478int rtw_get_wpa2_cipher_suite(u8 *s)
479{
480 if (!memcmp(s, RSN_CIPHER_SUITE_NONE, RSN_SELECTOR_LEN))
481 return WPA_CIPHER_NONE;
482 if (!memcmp(s, RSN_CIPHER_SUITE_WEP40, RSN_SELECTOR_LEN))
483 return WPA_CIPHER_WEP40;
484 if (!memcmp(s, RSN_CIPHER_SUITE_TKIP, RSN_SELECTOR_LEN))
485 return WPA_CIPHER_TKIP;
486 if (!memcmp(s, RSN_CIPHER_SUITE_CCMP, RSN_SELECTOR_LEN))
487 return WPA_CIPHER_CCMP;
488 if (!memcmp(s, RSN_CIPHER_SUITE_WEP104, RSN_SELECTOR_LEN))
489 return WPA_CIPHER_WEP104;
490
491 return 0;
492}
493
494int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x)
495{
496 int i, ret = _SUCCESS;
497 int left, count;
498 u8 *pos;
499 u8 SUITE_1X[4] = {0x00, 0x50, 0xf2, 1};
500
501 if (wpa_ie_len <= 0) {
502
503 return _FAIL;
504 }
505
506 if ((*wpa_ie != _WPA_IE_ID_) || (*(wpa_ie + 1) != (u8)(wpa_ie_len - 2)) ||
507 (memcmp(wpa_ie + 2, RTW_WPA_OUI_TYPE, WPA_SELECTOR_LEN)))
508 return _FAIL;
509
510 pos = wpa_ie;
511
512 pos += 8;
513 left = wpa_ie_len - 8;
514
515
516 if (left >= WPA_SELECTOR_LEN) {
517 *group_cipher = rtw_get_wpa_cipher_suite(pos);
518 pos += WPA_SELECTOR_LEN;
519 left -= WPA_SELECTOR_LEN;
520 } else if (left > 0) {
521 return _FAIL;
522 }
523
524
525 if (left >= 2) {
526 count = get_unaligned_le16(pos);
527 pos += 2;
528 left -= 2;
529
530 if (count == 0 || left < count * WPA_SELECTOR_LEN)
531 return _FAIL;
532
533 for (i = 0; i < count; i++) {
534 *pairwise_cipher |= rtw_get_wpa_cipher_suite(pos);
535
536 pos += WPA_SELECTOR_LEN;
537 left -= WPA_SELECTOR_LEN;
538 }
539 } else if (left == 1) {
540 return _FAIL;
541 }
542
543 if (is_8021x) {
544 if (left >= 6) {
545 pos += 2;
546 if (!memcmp(pos, SUITE_1X, 4))
547 *is_8021x = 1;
548 }
549 }
550
551 return ret;
552}
553
554int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x)
555{
556 int i, ret = _SUCCESS;
557 int left, count;
558 u8 *pos;
559 u8 SUITE_1X[4] = {0x00, 0x0f, 0xac, 0x01};
560
561 if (rsn_ie_len <= 0) {
562
563 return _FAIL;
564 }
565
566 if ((*rsn_ie != _WPA2_IE_ID_) || (*(rsn_ie + 1) != (u8)(rsn_ie_len - 2)))
567 return _FAIL;
568
569 pos = rsn_ie;
570 pos += 4;
571 left = rsn_ie_len - 4;
572
573
574 if (left >= RSN_SELECTOR_LEN) {
575 *group_cipher = rtw_get_wpa2_cipher_suite(pos);
576
577 pos += RSN_SELECTOR_LEN;
578 left -= RSN_SELECTOR_LEN;
579
580 } else if (left > 0) {
581 return _FAIL;
582 }
583
584
585 if (left >= 2) {
586 count = get_unaligned_le16(pos);
587 pos += 2;
588 left -= 2;
589
590 if (count == 0 || left < count * RSN_SELECTOR_LEN)
591 return _FAIL;
592
593 for (i = 0; i < count; i++) {
594 *pairwise_cipher |= rtw_get_wpa2_cipher_suite(pos);
595
596 pos += RSN_SELECTOR_LEN;
597 left -= RSN_SELECTOR_LEN;
598 }
599
600 } else if (left == 1) {
601 return _FAIL;
602 }
603
604 if (is_8021x) {
605 if (left >= 6) {
606 pos += 2;
607 if (!memcmp(pos, SUITE_1X, 4))
608 *is_8021x = 1;
609 }
610 }
611 return ret;
612}
613
614int rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len)
615{
616 u8 authmode;
617 u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
618 uint cnt;
619
620
621
622 cnt = (_TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_);
623
624 while (cnt < in_len) {
625 authmode = in_ie[cnt];
626
627 if ((authmode == _WPA_IE_ID_) && (!memcmp(&in_ie[cnt + 2], &wpa_oui[0], 4))) {
628 if (wpa_ie)
629 memcpy(wpa_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
630
631 *wpa_len = in_ie[cnt + 1] + 2;
632 cnt += in_ie[cnt + 1] + 2;
633 } else {
634 if (authmode == _WPA2_IE_ID_) {
635 if (rsn_ie)
636 memcpy(rsn_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
637
638 *rsn_len = in_ie[cnt + 1] + 2;
639 cnt += in_ie[cnt + 1] + 2;
640 } else {
641 cnt += in_ie[cnt + 1] + 2;
642 }
643 }
644 }
645
646 return *rsn_len + *wpa_len;
647}
648
649u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen)
650{
651 u8 match = false;
652 u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
653
654 if (!ie_ptr)
655 return match;
656
657 eid = ie_ptr[0];
658
659 if ((eid == _WPA_IE_ID_) && (!memcmp(&ie_ptr[2], wps_oui, 4))) {
660 *wps_ielen = ie_ptr[1] + 2;
661 match = true;
662 }
663 return match;
664}
665
666
667
668
669
670
671
672
673
674
675u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen)
676{
677 uint cnt;
678 u8 *wpsie_ptr = NULL;
679 u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
680
681 if (wps_ielen)
682 *wps_ielen = 0;
683
684 if (!in_ie || in_len <= 0)
685 return wpsie_ptr;
686
687 cnt = 0;
688
689 while (cnt < in_len) {
690 eid = in_ie[cnt];
691
692 if ((eid == _WPA_IE_ID_) && (!memcmp(&in_ie[cnt + 2], wps_oui, 4))) {
693 wpsie_ptr = &in_ie[cnt];
694
695 if (wps_ie)
696 memcpy(wps_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
697
698 if (wps_ielen)
699 *wps_ielen = in_ie[cnt + 1] + 2;
700
701 cnt += in_ie[cnt + 1] + 2;
702
703 break;
704 } else {
705 cnt += in_ie[cnt + 1] + 2;
706 }
707 }
708 return wpsie_ptr;
709}
710
711
712
713
714
715
716
717
718
719
720
721u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_attr, u32 *len_attr)
722{
723 u8 *attr_ptr = NULL;
724 u8 *target_attr_ptr = NULL;
725 u8 wps_oui[4] = {0x00, 0x50, 0xF2, 0x04};
726
727 if (len_attr)
728 *len_attr = 0;
729
730 if ((wps_ie[0] != _VENDOR_SPECIFIC_IE_) ||
731 (memcmp(wps_ie + 2, wps_oui, 4)))
732 return attr_ptr;
733
734
735 attr_ptr = wps_ie + 6;
736
737 while (attr_ptr - wps_ie < wps_ielen) {
738
739 u16 attr_id = RTW_GET_BE16(attr_ptr);
740 u16 attr_data_len = RTW_GET_BE16(attr_ptr + 2);
741 u16 attr_len = attr_data_len + 4;
742
743 if (attr_id == target_attr_id) {
744 target_attr_ptr = attr_ptr;
745 if (buf_attr)
746 memcpy(buf_attr, attr_ptr, attr_len);
747 if (len_attr)
748 *len_attr = attr_len;
749 break;
750 } else {
751 attr_ptr += attr_len;
752 }
753 }
754 return target_attr_ptr;
755}
756
757
758
759
760
761
762
763
764
765
766
767u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_content, uint *len_content)
768{
769 u8 *attr_ptr;
770 u32 attr_len;
771
772 if (len_content)
773 *len_content = 0;
774
775 attr_ptr = rtw_get_wps_attr(wps_ie, wps_ielen, target_attr_id, NULL, &attr_len);
776
777 if (attr_ptr && attr_len) {
778 if (buf_content)
779 memcpy(buf_content, attr_ptr + 4, attr_len - 4);
780
781 if (len_content)
782 *len_content = attr_len - 4;
783
784 return attr_ptr + 4;
785 }
786
787 return NULL;
788}
789
790static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
791 struct rtw_ieee802_11_elems *elems,
792 int show_errors)
793{
794 unsigned int oui;
795
796
797
798
799 if (elen < 4) {
800 if (show_errors) {
801 DBG_88E("short vendor specific information element ignored (len=%lu)\n",
802 (unsigned long)elen);
803 }
804 return -1;
805 }
806
807 oui = RTW_GET_BE24(pos);
808 switch (oui) {
809 case OUI_MICROSOFT:
810
811
812 switch (pos[3]) {
813 case 1:
814
815
816 elems->wpa_ie = pos;
817 elems->wpa_ie_len = elen;
818 break;
819 case WME_OUI_TYPE:
820 if (elen < 5) {
821 DBG_88E("short WME information element ignored (len=%lu)\n",
822 (unsigned long)elen);
823 return -1;
824 }
825 switch (pos[4]) {
826 case WME_OUI_SUBTYPE_INFORMATION_ELEMENT:
827 case WME_OUI_SUBTYPE_PARAMETER_ELEMENT:
828 elems->wme = pos;
829 elems->wme_len = elen;
830 break;
831 case WME_OUI_SUBTYPE_TSPEC_ELEMENT:
832 elems->wme_tspec = pos;
833 elems->wme_tspec_len = elen;
834 break;
835 default:
836 DBG_88E("unknown WME information element ignored (subtype=%d len=%lu)\n",
837 pos[4], (unsigned long)elen);
838 return -1;
839 }
840 break;
841 case 4:
842
843 elems->wps_ie = pos;
844 elems->wps_ie_len = elen;
845 break;
846 default:
847 DBG_88E("Unknown Microsoft information element ignored (type=%d len=%lu)\n",
848 pos[3], (unsigned long)elen);
849 return -1;
850 }
851 break;
852
853 case OUI_BROADCOM:
854 switch (pos[3]) {
855 case VENDOR_HT_CAPAB_OUI_TYPE:
856 elems->vendor_ht_cap = pos;
857 elems->vendor_ht_cap_len = elen;
858 break;
859 default:
860 DBG_88E("Unknown Broadcom information element ignored (type=%d len=%lu)\n",
861 pos[3], (unsigned long)elen);
862 return -1;
863 }
864 break;
865 default:
866 DBG_88E("unknown vendor specific information element ignored (vendor OUI %02x:%02x:%02x len=%lu)\n",
867 pos[0], pos[1], pos[2], (unsigned long)elen);
868 return -1;
869 }
870 return 0;
871}
872
873
874
875
876
877
878
879
880
881enum parse_res rtw_ieee802_11_parse_elems(u8 *start, uint len,
882 struct rtw_ieee802_11_elems *elems,
883 int show_errors)
884{
885 uint left = len;
886 u8 *pos = start;
887 int unknown = 0;
888
889 memset(elems, 0, sizeof(*elems));
890
891 while (left >= 2) {
892 u8 id, elen;
893
894 id = *pos++;
895 elen = *pos++;
896 left -= 2;
897
898 if (elen > left) {
899 if (show_errors) {
900 DBG_88E("IEEE 802.11 element parse failed (id=%d elen=%d left=%lu)\n",
901 id, elen, (unsigned long)left);
902 }
903 return ParseFailed;
904 }
905
906 switch (id) {
907 case WLAN_EID_SSID:
908 elems->ssid = pos;
909 elems->ssid_len = elen;
910 break;
911 case WLAN_EID_SUPP_RATES:
912 elems->supp_rates = pos;
913 elems->supp_rates_len = elen;
914 break;
915 case WLAN_EID_FH_PARAMS:
916 elems->fh_params = pos;
917 elems->fh_params_len = elen;
918 break;
919 case WLAN_EID_DS_PARAMS:
920 elems->ds_params = pos;
921 elems->ds_params_len = elen;
922 break;
923 case WLAN_EID_CF_PARAMS:
924 elems->cf_params = pos;
925 elems->cf_params_len = elen;
926 break;
927 case WLAN_EID_TIM:
928 elems->tim = pos;
929 elems->tim_len = elen;
930 break;
931 case WLAN_EID_IBSS_PARAMS:
932 elems->ibss_params = pos;
933 elems->ibss_params_len = elen;
934 break;
935 case WLAN_EID_CHALLENGE:
936 elems->challenge = pos;
937 elems->challenge_len = elen;
938 break;
939 case WLAN_EID_ERP_INFO:
940 elems->erp_info = pos;
941 elems->erp_info_len = elen;
942 break;
943 case WLAN_EID_EXT_SUPP_RATES:
944 elems->ext_supp_rates = pos;
945 elems->ext_supp_rates_len = elen;
946 break;
947 case WLAN_EID_VENDOR_SPECIFIC:
948 if (rtw_ieee802_11_parse_vendor_specific(pos, elen, elems, show_errors))
949 unknown++;
950 break;
951 case WLAN_EID_RSN:
952 elems->rsn_ie = pos;
953 elems->rsn_ie_len = elen;
954 break;
955 case WLAN_EID_PWR_CAPABILITY:
956 elems->power_cap = pos;
957 elems->power_cap_len = elen;
958 break;
959 case WLAN_EID_SUPPORTED_CHANNELS:
960 elems->supp_channels = pos;
961 elems->supp_channels_len = elen;
962 break;
963 case WLAN_EID_MOBILITY_DOMAIN:
964 elems->mdie = pos;
965 elems->mdie_len = elen;
966 break;
967 case WLAN_EID_FAST_BSS_TRANSITION:
968 elems->ftie = pos;
969 elems->ftie_len = elen;
970 break;
971 case WLAN_EID_TIMEOUT_INTERVAL:
972 elems->timeout_int = pos;
973 elems->timeout_int_len = elen;
974 break;
975 case WLAN_EID_HT_CAP:
976 elems->ht_capabilities = pos;
977 elems->ht_capabilities_len = elen;
978 break;
979 case WLAN_EID_HT_OPERATION:
980 elems->ht_operation = pos;
981 elems->ht_operation_len = elen;
982 break;
983 default:
984 unknown++;
985 if (!show_errors)
986 break;
987 DBG_88E("IEEE 802.11 element parse ignored unknown element (id=%d elen=%d)\n",
988 id, elen);
989 break;
990 }
991 left -= elen;
992 pos += elen;
993 }
994 if (left)
995 return ParseFailed;
996 return unknown ? ParseUnknown : ParseOK;
997}
998
999u8 key_char2num(u8 ch)
1000{
1001 if ((ch >= '0') && (ch <= '9'))
1002 return ch - '0';
1003 else if ((ch >= 'a') && (ch <= 'f'))
1004 return ch - 'a' + 10;
1005 else if ((ch >= 'A') && (ch <= 'F'))
1006 return ch - 'A' + 10;
1007 else
1008 return 0xff;
1009}
1010
1011u8 str_2char2num(u8 hch, u8 lch)
1012{
1013 return (key_char2num(hch) * 10) + key_char2num(lch);
1014}
1015
1016u8 key_2char2num(u8 hch, u8 lch)
1017{
1018 return (key_char2num(hch) << 4) | key_char2num(lch);
1019}
1020
1021void rtw_macaddr_cfg(u8 *mac_addr)
1022{
1023 u8 mac[ETH_ALEN];
1024 if (!mac_addr)
1025 return;
1026
1027 if (rtw_initmac) {
1028 int jj, kk;
1029
1030 for (jj = 0, kk = 0; jj < ETH_ALEN; jj++, kk += 3)
1031 mac[jj] = key_2char2num(rtw_initmac[kk], rtw_initmac[kk + 1]);
1032 memcpy(mac_addr, mac, ETH_ALEN);
1033 } else {
1034 memcpy(mac, mac_addr, ETH_ALEN);
1035 }
1036
1037 if (((mac[0] == 0xff) && (mac[1] == 0xff) && (mac[2] == 0xff) &&
1038 (mac[3] == 0xff) && (mac[4] == 0xff) && (mac[5] == 0xff)) ||
1039 ((mac[0] == 0x0) && (mac[1] == 0x0) && (mac[2] == 0x0) &&
1040 (mac[3] == 0x0) && (mac[4] == 0x0) && (mac[5] == 0x0))) {
1041 mac[0] = 0x00;
1042 mac[1] = 0xe0;
1043 mac[2] = 0x4c;
1044 mac[3] = 0x87;
1045 mac[4] = 0x00;
1046 mac[5] = 0x00;
1047
1048 memcpy(mac_addr, mac, ETH_ALEN);
1049 DBG_88E("MAC Address from efuse error, assign default one !!!\n");
1050 }
1051
1052 DBG_88E("rtw_macaddr_cfg MAC Address = %pM\n", (mac_addr));
1053}
1054
1055void dump_ies(u8 *buf, u32 buf_len)
1056{
1057 u8 *pos = (u8 *)buf;
1058 u8 id, len;
1059
1060 while (pos - buf <= buf_len) {
1061 id = *pos;
1062 len = *(pos + 1);
1063
1064 DBG_88E("%s ID:%u, LEN:%u\n", __func__, id, len);
1065 #ifdef CONFIG_88EU_P2P
1066 dump_p2p_ie(pos, len);
1067 #endif
1068 dump_wps_ie(pos, len);
1069
1070 pos += (2 + len);
1071 }
1072}
1073
1074void dump_wps_ie(u8 *ie, u32 ie_len)
1075{
1076 u8 *pos = (u8 *)ie;
1077 u16 id;
1078 u16 len;
1079 u8 *wps_ie;
1080 uint wps_ielen;
1081
1082 wps_ie = rtw_get_wps_ie(ie, ie_len, NULL, &wps_ielen);
1083 if (wps_ie != ie || wps_ielen == 0)
1084 return;
1085
1086 pos += 6;
1087 while (pos - ie < ie_len) {
1088 id = RTW_GET_BE16(pos);
1089 len = RTW_GET_BE16(pos + 2);
1090 DBG_88E("%s ID:0x%04x, LEN:%u\n", __func__, id, len);
1091 pos += (4 + len);
1092 }
1093}
1094
1095#ifdef CONFIG_88EU_P2P
1096void dump_p2p_ie(u8 *ie, u32 ie_len)
1097{
1098 u8 *pos = (u8 *)ie;
1099 u8 id;
1100 u16 len;
1101 u8 *p2p_ie;
1102 uint p2p_ielen;
1103
1104 p2p_ie = rtw_get_p2p_ie(ie, ie_len, NULL, &p2p_ielen);
1105 if (p2p_ie != ie || p2p_ielen == 0)
1106 return;
1107
1108 pos += 6;
1109 while (pos - ie < ie_len) {
1110 id = *pos;
1111 len = get_unaligned_le16(pos + 1);
1112 DBG_88E("%s ID:%u, LEN:%u\n", __func__, id, len);
1113 pos += (3 + len);
1114 }
1115}
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126u8 *rtw_get_p2p_ie(u8 *in_ie, int in_len, u8 *p2p_ie, uint *p2p_ielen)
1127{
1128 uint cnt = 0;
1129 u8 *p2p_ie_ptr;
1130 u8 eid, p2p_oui[4] = {0x50, 0x6F, 0x9A, 0x09};
1131
1132 if (p2p_ielen)
1133 *p2p_ielen = 0;
1134
1135 while (cnt < in_len) {
1136 eid = in_ie[cnt];
1137 if ((in_len < 0) || (cnt > MAX_IE_SZ)) {
1138 dump_stack();
1139 return NULL;
1140 }
1141 if ((eid == _VENDOR_SPECIFIC_IE_) && !memcmp(&in_ie[cnt + 2], p2p_oui, 4)) {
1142 p2p_ie_ptr = in_ie + cnt;
1143
1144 if (p2p_ie)
1145 memcpy(p2p_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
1146 if (p2p_ielen)
1147 *p2p_ielen = in_ie[cnt + 1] + 2;
1148 return p2p_ie_ptr;
1149 } else {
1150 cnt += in_ie[cnt + 1] + 2;
1151 }
1152 }
1153 return NULL;
1154}
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166u8 *rtw_get_p2p_attr(u8 *p2p_ie, uint p2p_ielen, u8 target_attr_id, u8 *buf_attr, u32 *len_attr)
1167{
1168 u8 *attr_ptr = NULL;
1169 u8 *target_attr_ptr = NULL;
1170 u8 p2p_oui[4] = {0x50, 0x6F, 0x9A, 0x09};
1171
1172 if (len_attr)
1173 *len_attr = 0;
1174
1175 if (!p2p_ie || (p2p_ie[0] != _VENDOR_SPECIFIC_IE_) ||
1176 memcmp(p2p_ie + 2, p2p_oui, 4))
1177 return attr_ptr;
1178
1179
1180 attr_ptr = p2p_ie + 6;
1181
1182 while (attr_ptr - p2p_ie < p2p_ielen) {
1183
1184 u8 attr_id = *attr_ptr;
1185 u16 attr_data_len = get_unaligned_le16(attr_ptr + 1);
1186 u16 attr_len = attr_data_len + 3;
1187
1188 if (attr_id == target_attr_id) {
1189 target_attr_ptr = attr_ptr;
1190
1191 if (buf_attr)
1192 memcpy(buf_attr, attr_ptr, attr_len);
1193 if (len_attr)
1194 *len_attr = attr_len;
1195 break;
1196 } else {
1197 attr_ptr += attr_len;
1198 }
1199 }
1200 return target_attr_ptr;
1201}
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213u8 *rtw_get_p2p_attr_content(u8 *p2p_ie, uint p2p_ielen, u8 target_attr_id, u8 *buf_content, uint *len_content)
1214{
1215 u8 *attr_ptr;
1216 u32 attr_len;
1217
1218 if (len_content)
1219 *len_content = 0;
1220
1221 attr_ptr = rtw_get_p2p_attr(p2p_ie, p2p_ielen, target_attr_id, NULL, &attr_len);
1222
1223 if (attr_ptr && attr_len) {
1224 if (buf_content)
1225 memcpy(buf_content, attr_ptr + 3, attr_len - 3);
1226
1227 if (len_content)
1228 *len_content = attr_len - 3;
1229
1230 return attr_ptr + 3;
1231 }
1232
1233 return NULL;
1234}
1235
1236u32 rtw_set_p2p_attr_content(u8 *pbuf, u8 attr_id, u16 attr_len, u8 *pdata_attr)
1237{
1238 u32 a_len;
1239
1240 *pbuf = attr_id;
1241
1242
1243 RTW_PUT_LE16(pbuf + 1, attr_len);
1244
1245 if (pdata_attr)
1246 memcpy(pbuf + 3, pdata_attr, attr_len);
1247
1248 a_len = attr_len + 3;
1249
1250 return a_len;
1251}
1252
1253static uint rtw_p2p_attr_remove(u8 *ie, uint ielen_ori, u8 attr_id)
1254{
1255 u8 *target_attr;
1256 u32 target_attr_len;
1257 uint ielen = ielen_ori;
1258
1259 while (1) {
1260 target_attr = rtw_get_p2p_attr(ie, ielen, attr_id, NULL, &target_attr_len);
1261 if (target_attr && target_attr_len) {
1262 u8 *next_attr = target_attr + target_attr_len;
1263 uint remain_len = ielen - (next_attr - ie);
1264
1265 memset(target_attr, 0, target_attr_len);
1266 memcpy(target_attr, next_attr, remain_len);
1267 memset(target_attr + remain_len, 0, target_attr_len);
1268 *(ie + 1) -= target_attr_len;
1269 ielen -= target_attr_len;
1270 } else {
1271 break;
1272 }
1273 }
1274 return ielen;
1275}
1276
1277void rtw_wlan_bssid_ex_remove_p2p_attr(struct wlan_bssid_ex *bss_ex, u8 attr_id)
1278{
1279 u8 *p2p_ie;
1280 uint p2p_ielen, p2p_ielen_ori;
1281
1282 p2p_ie = rtw_get_p2p_ie(bss_ex->IEs + _FIXED_IE_LENGTH_, bss_ex->IELength - _FIXED_IE_LENGTH_, NULL, &p2p_ielen_ori);
1283 if (p2p_ie) {
1284 p2p_ielen = rtw_p2p_attr_remove(p2p_ie, p2p_ielen_ori, attr_id);
1285 if (p2p_ielen != p2p_ielen_ori) {
1286 u8 *next_ie_ori = p2p_ie + p2p_ielen_ori;
1287 u8 *next_ie = p2p_ie + p2p_ielen;
1288 uint remain_len = bss_ex->IELength - (next_ie_ori - bss_ex->IEs);
1289
1290 memcpy(next_ie, next_ie_ori, remain_len);
1291 memset(next_ie + remain_len, 0, p2p_ielen_ori - p2p_ielen);
1292 bss_ex->IELength -= p2p_ielen_ori - p2p_ielen;
1293 }
1294 }
1295}
1296
1297#endif
1298
1299
1300int ieee80211_is_empty_essid(const char *essid, int essid_len)
1301{
1302
1303 if (essid_len == 1 && essid[0] == ' ')
1304 return 1;
1305
1306
1307 while (essid_len) {
1308 essid_len--;
1309 if (essid[essid_len] != '\0')
1310 return 0;
1311 }
1312
1313 return 1;
1314}
1315
1316int ieee80211_get_hdrlen(u16 fc)
1317{
1318 int hdrlen = 24;
1319
1320 switch (WLAN_FC_GET_TYPE(fc)) {
1321 case RTW_IEEE80211_FTYPE_DATA:
1322 if (fc & RTW_IEEE80211_STYPE_QOS_DATA)
1323 hdrlen += 2;
1324 if ((fc & RTW_IEEE80211_FCTL_FROMDS) && (fc & RTW_IEEE80211_FCTL_TODS))
1325 hdrlen += 6;
1326 break;
1327 case RTW_IEEE80211_FTYPE_CTL:
1328 switch (WLAN_FC_GET_STYPE(fc)) {
1329 case RTW_IEEE80211_STYPE_CTS:
1330 case RTW_IEEE80211_STYPE_ACK:
1331 hdrlen = 10;
1332 break;
1333 default:
1334 hdrlen = 16;
1335 break;
1336 }
1337 break;
1338 }
1339
1340 return hdrlen;
1341}
1342
1343static int rtw_get_cipher_info(struct wlan_network *pnetwork)
1344{
1345 u32 wpa_ielen;
1346 unsigned char *pbuf;
1347 int group_cipher = 0, pairwise_cipher = 0, is8021x = 0;
1348 int ret = _FAIL;
1349 pbuf = rtw_get_wpa_ie(&pnetwork->network.IEs[12], &wpa_ielen, pnetwork->network.IELength - 12);
1350
1351 if (pbuf && (wpa_ielen > 0)) {
1352 if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher, &pairwise_cipher, &is8021x)) {
1353 pnetwork->BcnInfo.pairwise_cipher = pairwise_cipher;
1354 pnetwork->BcnInfo.group_cipher = group_cipher;
1355 pnetwork->BcnInfo.is_8021x = is8021x;
1356 ret = _SUCCESS;
1357 }
1358 } else {
1359 pbuf = rtw_get_wpa2_ie(&pnetwork->network.IEs[12], &wpa_ielen, pnetwork->network.IELength - 12);
1360
1361 if (pbuf && (wpa_ielen > 0)) {
1362 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher, &pairwise_cipher, &is8021x)) {
1363 pnetwork->BcnInfo.pairwise_cipher = pairwise_cipher;
1364 pnetwork->BcnInfo.group_cipher = group_cipher;
1365 pnetwork->BcnInfo.is_8021x = is8021x;
1366 ret = _SUCCESS;
1367 }
1368 }
1369 }
1370
1371 return ret;
1372}
1373
1374void rtw_get_bcn_info(struct wlan_network *pnetwork)
1375{
1376 unsigned short cap = 0;
1377 u8 bencrypt = 0;
1378 __le16 le_tmp;
1379 u16 wpa_len = 0, rsn_len = 0;
1380 struct HT_info_element *pht_info = NULL;
1381 struct ieee80211_ht_cap *pht_cap = NULL;
1382 unsigned int len;
1383 unsigned char *p;
1384
1385 memcpy(&le_tmp, rtw_get_capability_from_ie(pnetwork->network.IEs), 2);
1386 cap = le16_to_cpu(le_tmp);
1387 if (cap & WLAN_CAPABILITY_PRIVACY) {
1388 bencrypt = 1;
1389 pnetwork->network.Privacy = 1;
1390 } else {
1391 pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_OPENSYS;
1392 }
1393 rtw_get_sec_ie(pnetwork->network.IEs, pnetwork->network.IELength, NULL, &rsn_len, NULL, &wpa_len);
1394
1395 if (rsn_len > 0) {
1396 pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1397 } else if (wpa_len > 0) {
1398 pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WPA;
1399 } else {
1400 if (bencrypt)
1401 pnetwork->BcnInfo.encryp_protocol = ENCRYP_PROTOCOL_WEP;
1402 }
1403 rtw_get_cipher_info(pnetwork);
1404
1405
1406
1407 p = rtw_get_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, pnetwork->network.IELength - _FIXED_IE_LENGTH_);
1408 if (p && len > 0) {
1409 pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1410 pnetwork->BcnInfo.ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1411 } else {
1412 pnetwork->BcnInfo.ht_cap_info = 0;
1413 }
1414
1415 p = rtw_get_ie(pnetwork->network.IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, pnetwork->network.IELength - _FIXED_IE_LENGTH_);
1416 if (p && len > 0) {
1417 pht_info = (struct HT_info_element *)(p + 2);
1418 pnetwork->BcnInfo.ht_info_infos_0 = pht_info->infos[0];
1419 } else {
1420 pnetwork->BcnInfo.ht_info_infos_0 = 0;
1421 }
1422}
1423
1424
1425u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI_20, u8 short_GI_40, unsigned char *MCS_rate)
1426{
1427 u16 max_rate = 0;
1428
1429 if (rf_type == RF_1T1R) {
1430 if (MCS_rate[0] & BIT(7))
1431 max_rate = (bw_40MHz) ? ((short_GI_40) ? 1500 : 1350) : ((short_GI_20) ? 722 : 650);
1432 else if (MCS_rate[0] & BIT(6))
1433 max_rate = (bw_40MHz) ? ((short_GI_40) ? 1350 : 1215) : ((short_GI_20) ? 650 : 585);
1434 else if (MCS_rate[0] & BIT(5))
1435 max_rate = (bw_40MHz) ? ((short_GI_40) ? 1200 : 1080) : ((short_GI_20) ? 578 : 520);
1436 else if (MCS_rate[0] & BIT(4))
1437 max_rate = (bw_40MHz) ? ((short_GI_40) ? 900 : 810) : ((short_GI_20) ? 433 : 390);
1438 else if (MCS_rate[0] & BIT(3))
1439 max_rate = (bw_40MHz) ? ((short_GI_40) ? 600 : 540) : ((short_GI_20) ? 289 : 260);
1440 else if (MCS_rate[0] & BIT(2))
1441 max_rate = (bw_40MHz) ? ((short_GI_40) ? 450 : 405) : ((short_GI_20) ? 217 : 195);
1442 else if (MCS_rate[0] & BIT(1))
1443 max_rate = (bw_40MHz) ? ((short_GI_40) ? 300 : 270) : ((short_GI_20) ? 144 : 130);
1444 else if (MCS_rate[0] & BIT(0))
1445 max_rate = (bw_40MHz) ? ((short_GI_40) ? 150 : 135) : ((short_GI_20) ? 72 : 65);
1446 } else {
1447 if (MCS_rate[1]) {
1448 if (MCS_rate[1] & BIT(7))
1449 max_rate = (bw_40MHz) ? ((short_GI_40) ? 3000 : 2700) : ((short_GI_20) ? 1444 : 1300);
1450 else if (MCS_rate[1] & BIT(6))
1451 max_rate = (bw_40MHz) ? ((short_GI_40) ? 2700 : 2430) : ((short_GI_20) ? 1300 : 1170);
1452 else if (MCS_rate[1] & BIT(5))
1453 max_rate = (bw_40MHz) ? ((short_GI_40) ? 2400 : 2160) : ((short_GI_20) ? 1156 : 1040);
1454 else if (MCS_rate[1] & BIT(4))
1455 max_rate = (bw_40MHz) ? ((short_GI_40) ? 1800 : 1620) : ((short_GI_20) ? 867 : 780);
1456 else if (MCS_rate[1] & BIT(3))
1457 max_rate = (bw_40MHz) ? ((short_GI_40) ? 1200 : 1080) : ((short_GI_20) ? 578 : 520);
1458 else if (MCS_rate[1] & BIT(2))
1459 max_rate = (bw_40MHz) ? ((short_GI_40) ? 900 : 810) : ((short_GI_20) ? 433 : 390);
1460 else if (MCS_rate[1] & BIT(1))
1461 max_rate = (bw_40MHz) ? ((short_GI_40) ? 600 : 540) : ((short_GI_20) ? 289 : 260);
1462 else if (MCS_rate[1] & BIT(0))
1463 max_rate = (bw_40MHz) ? ((short_GI_40) ? 300 : 270) : ((short_GI_20) ? 144 : 130);
1464 } else {
1465 if (MCS_rate[0] & BIT(7))
1466 max_rate = (bw_40MHz) ? ((short_GI_40) ? 1500 : 1350) : ((short_GI_20) ? 722 : 650);
1467 else if (MCS_rate[0] & BIT(6))
1468 max_rate = (bw_40MHz) ? ((short_GI_40) ? 1350 : 1215) : ((short_GI_20) ? 650 : 585);
1469 else if (MCS_rate[0] & BIT(5))
1470 max_rate = (bw_40MHz) ? ((short_GI_40) ? 1200 : 1080) : ((short_GI_20) ? 578 : 520);
1471 else if (MCS_rate[0] & BIT(4))
1472 max_rate = (bw_40MHz) ? ((short_GI_40) ? 900 : 810) : ((short_GI_20) ? 433 : 390);
1473 else if (MCS_rate[0] & BIT(3))
1474 max_rate = (bw_40MHz) ? ((short_GI_40) ? 600 : 540) : ((short_GI_20) ? 289 : 260);
1475 else if (MCS_rate[0] & BIT(2))
1476 max_rate = (bw_40MHz) ? ((short_GI_40) ? 450 : 405) : ((short_GI_20) ? 217 : 195);
1477 else if (MCS_rate[0] & BIT(1))
1478 max_rate = (bw_40MHz) ? ((short_GI_40) ? 300 : 270) : ((short_GI_20) ? 144 : 130);
1479 else if (MCS_rate[0] & BIT(0))
1480 max_rate = (bw_40MHz) ? ((short_GI_40) ? 150 : 135) : ((short_GI_20) ? 72 : 65);
1481 }
1482 }
1483 return max_rate;
1484}
1485
1486int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action)
1487{
1488 const u8 *frame_body = frame + sizeof(struct rtw_ieee80211_hdr_3addr);
1489 u16 fc;
1490 u8 c, a = 0;
1491
1492 fc = le16_to_cpu(((struct rtw_ieee80211_hdr_3addr *)frame)->frame_ctl);
1493
1494 if ((fc & (RTW_IEEE80211_FCTL_FTYPE | RTW_IEEE80211_FCTL_STYPE)) !=
1495 (RTW_IEEE80211_FTYPE_MGMT | RTW_IEEE80211_STYPE_ACTION))
1496 return false;
1497
1498 c = frame_body[0];
1499
1500 switch (c) {
1501 case RTW_WLAN_CATEGORY_P2P:
1502 break;
1503 default:
1504 a = frame_body[1];
1505 }
1506
1507 if (category)
1508 *category = c;
1509 if (action)
1510 *action = a;
1511
1512 return true;
1513}
1514
1515static const char *_action_public_str[] = {
1516 "ACT_PUB_BSSCOEXIST",
1517 "ACT_PUB_DSE_ENABLE",
1518 "ACT_PUB_DSE_DEENABLE",
1519 "ACT_PUB_DSE_REG_LOCATION",
1520 "ACT_PUB_EXT_CHL_SWITCH",
1521 "ACT_PUB_DSE_MSR_REQ",
1522 "ACT_PUB_DSE_MSR_RPRT",
1523 "ACT_PUB_MP",
1524 "ACT_PUB_DSE_PWR_CONSTRAINT",
1525 "ACT_PUB_VENDOR",
1526 "ACT_PUB_GAS_INITIAL_REQ",
1527 "ACT_PUB_GAS_INITIAL_RSP",
1528 "ACT_PUB_GAS_COMEBACK_REQ",
1529 "ACT_PUB_GAS_COMEBACK_RSP",
1530 "ACT_PUB_TDLS_DISCOVERY_RSP",
1531 "ACT_PUB_LOCATION_TRACK",
1532 "ACT_PUB_RSVD",
1533};
1534
1535const char *action_public_str(u8 action)
1536{
1537 action = (action >= ACT_PUBLIC_MAX) ? ACT_PUBLIC_MAX : action;
1538 return _action_public_str[action];
1539}
1540
