1
2
3
4#define _RTW_WLAN_UTIL_C_
5
6#include "../include/osdep_service.h"
7#include "../include/drv_types.h"
8#include "../include/wifi.h"
9
10static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
11static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
12
13static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
14static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
15
16static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
17static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
18static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
19static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
20static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
21static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
22
23unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
24
25#define R2T_PHY_DELAY (0)
26
27
28#define WAIT_FOR_BCN_TO_MIN (6000)
29#define WAIT_FOR_BCN_TO_MAX (20000)
30
31static u8 rtw_basic_rate_cck[4] = {
32 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
33 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
34};
35
36static u8 rtw_basic_rate_ofdm[3] = {
37 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
38 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
39};
40
41static u8 rtw_basic_rate_mix[7] = {
42 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
43 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK,
44 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
45 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
46};
47
48int cckrates_included(unsigned char *rate, int ratelen)
49{
50 int i;
51
52 for (i = 0; i < ratelen; i++) {
53 if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
54 (((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
55 return true;
56 }
57 return false;
58}
59
60int cckratesonly_included(unsigned char *rate, int ratelen)
61{
62 int i;
63
64 for (i = 0; i < ratelen; i++) {
65 if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
66 (((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
67 return false;
68 }
69
70 return true;
71}
72
73unsigned char networktype_to_raid(unsigned char network_type)
74{
75 unsigned char raid;
76
77 switch (network_type) {
78 case WIRELESS_11B:
79 raid = RATR_INX_WIRELESS_B;
80 break;
81 case WIRELESS_11G:
82 raid = RATR_INX_WIRELESS_G;
83 break;
84 case WIRELESS_11BG:
85 raid = RATR_INX_WIRELESS_GB;
86 break;
87 case WIRELESS_11_24N:
88 raid = RATR_INX_WIRELESS_N;
89 break;
90 case WIRELESS_11G_24N:
91 raid = RATR_INX_WIRELESS_NG;
92 break;
93 case WIRELESS_11BG_24N:
94 raid = RATR_INX_WIRELESS_NGB;
95 break;
96 default:
97 raid = RATR_INX_WIRELESS_GB;
98 break;
99 }
100 return raid;
101}
102
103u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
104{
105 u8 network_type = 0;
106 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
107 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
108
109 if (pmlmeext->cur_channel > 14) {
110 network_type |= WIRELESS_INVALID;
111 } else {
112 if (pmlmeinfo->HT_enable)
113 network_type = WIRELESS_11_24N;
114
115 if (cckratesonly_included(rate, ratelen))
116 network_type |= WIRELESS_11B;
117 else if (cckrates_included(rate, ratelen))
118 network_type |= WIRELESS_11BG;
119 else
120 network_type |= WIRELESS_11G;
121 }
122 return network_type;
123}
124
125static unsigned char ratetbl_val_2wifirate(unsigned char rate)
126{
127 unsigned char val = 0;
128
129 switch (rate & 0x7f) {
130 case 0:
131 val = IEEE80211_CCK_RATE_1MB;
132 break;
133 case 1:
134 val = IEEE80211_CCK_RATE_2MB;
135 break;
136 case 2:
137 val = IEEE80211_CCK_RATE_5MB;
138 break;
139 case 3:
140 val = IEEE80211_CCK_RATE_11MB;
141 break;
142 case 4:
143 val = IEEE80211_OFDM_RATE_6MB;
144 break;
145 case 5:
146 val = IEEE80211_OFDM_RATE_9MB;
147 break;
148 case 6:
149 val = IEEE80211_OFDM_RATE_12MB;
150 break;
151 case 7:
152 val = IEEE80211_OFDM_RATE_18MB;
153 break;
154 case 8:
155 val = IEEE80211_OFDM_RATE_24MB;
156 break;
157 case 9:
158 val = IEEE80211_OFDM_RATE_36MB;
159 break;
160 case 10:
161 val = IEEE80211_OFDM_RATE_48MB;
162 break;
163 case 11:
164 val = IEEE80211_OFDM_RATE_54MB;
165 break;
166 }
167 return val;
168}
169
170static int is_basicrate(struct adapter *padapter, unsigned char rate)
171{
172 int i;
173 unsigned char val;
174 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
175
176 for (i = 0; i < NumRates; i++) {
177 val = pmlmeext->basicrate[i];
178
179 if ((val != 0xff) && (val != 0xfe)) {
180 if (rate == ratetbl_val_2wifirate(val))
181 return true;
182 }
183 }
184 return false;
185}
186
187static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
188{
189 int i;
190 unsigned char rate;
191 unsigned int len = 0;
192 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
193
194 for (i = 0; i < NumRates; i++) {
195 rate = pmlmeext->datarate[i];
196
197 switch (rate) {
198 case 0xff:
199 return len;
200 case 0xfe:
201 continue;
202 default:
203 rate = ratetbl_val_2wifirate(rate);
204
205 if (is_basicrate(padapter, rate))
206 rate |= IEEE80211_BASIC_RATE_MASK;
207
208 rateset[len] = rate;
209 len++;
210 break;
211 }
212 }
213 return len;
214}
215
216void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
217{
218 unsigned char supportedrates[NumRates];
219
220 memset(supportedrates, 0, NumRates);
221 *bssrate_len = ratetbl2rateset(padapter, supportedrates);
222 memcpy(pbssrate, supportedrates, *bssrate_len);
223}
224
225void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
226{
227 u8 i;
228 u8 rate;
229
230
231 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
232 rate = mbrate[i] & 0x7f;
233 switch (rate) {
234 case IEEE80211_CCK_RATE_1MB:
235 case IEEE80211_CCK_RATE_2MB:
236 case IEEE80211_CCK_RATE_5MB:
237 case IEEE80211_CCK_RATE_11MB:
238 case IEEE80211_OFDM_RATE_6MB:
239 case IEEE80211_OFDM_RATE_12MB:
240 case IEEE80211_OFDM_RATE_24MB:
241 mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
242 break;
243 }
244 }
245}
246
247void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
248{
249 u8 i;
250 u8 rate;
251
252 for (i = 0; i < bssratelen; i++) {
253 rate = bssrateset[i] & 0x7f;
254 switch (rate) {
255 case IEEE80211_CCK_RATE_1MB:
256 case IEEE80211_CCK_RATE_2MB:
257 case IEEE80211_CCK_RATE_5MB:
258 case IEEE80211_CCK_RATE_11MB:
259 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
260 break;
261 }
262 }
263}
264
265void Save_DM_Func_Flag(struct adapter *padapter)
266{
267 u8 saveflag = true;
268
269 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
270}
271
272void Restore_DM_Func_Flag(struct adapter *padapter)
273{
274 u8 saveflag = false;
275
276 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
277}
278
279void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
280{
281 if (enable)
282 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
283 else
284 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
285}
286
287static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
288{
289 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
290}
291
292void Set_MSR(struct adapter *padapter, u8 type)
293{
294 Set_NETYPE0_MSR(padapter, type);
295}
296
297inline u8 rtw_get_oper_ch(struct adapter *adapter)
298{
299 return adapter->mlmeextpriv.oper_channel;
300}
301
302inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
303{
304 adapter->mlmeextpriv.oper_channel = ch;
305}
306
307inline u8 rtw_get_oper_bw(struct adapter *adapter)
308{
309 return adapter->mlmeextpriv.oper_bwmode;
310}
311
312inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
313{
314 adapter->mlmeextpriv.oper_bwmode = bw;
315}
316
317inline u8 rtw_get_oper_choffset(struct adapter *adapter)
318{
319 return adapter->mlmeextpriv.oper_ch_offset;
320}
321
322inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
323{
324 adapter->mlmeextpriv.oper_ch_offset = offset;
325}
326
327void SelectChannel(struct adapter *padapter, unsigned char channel)
328{
329
330 rtw_set_oper_ch(padapter, channel);
331 rtw_hal_set_chan(padapter, channel);
332}
333
334void SetBWMode(struct adapter *padapter, unsigned short bwmode,
335 unsigned char channel_offset)
336{
337
338 rtw_set_oper_bw(padapter, bwmode);
339 rtw_set_oper_choffset(padapter, channel_offset);
340
341 rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
342}
343
344void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
345{
346 u8 center_ch;
347
348 if (padapter->bNotifyChannelChange)
349 DBG_88E("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
350
351 if ((bwmode == HT_CHANNEL_WIDTH_20) ||
352 (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
353
354 center_ch = channel;
355 } else {
356
357 if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
358
359 center_ch = channel + 2;
360 } else {
361
362 center_ch = channel - 2;
363 }
364 }
365
366
367
368 rtw_set_oper_ch(padapter, channel);
369 rtw_set_oper_bw(padapter, bwmode);
370 rtw_set_oper_choffset(padapter, channel_offset);
371
372 rtw_hal_set_chan(padapter, center_ch);
373 SetBWMode(padapter, bwmode, channel_offset);
374}
375
376int get_bsstype(unsigned short capability)
377{
378 if (capability & BIT(0))
379 return WIFI_FW_AP_STATE;
380 else if (capability & BIT(1))
381 return WIFI_FW_ADHOC_STATE;
382 else
383 return 0;
384}
385
386__inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
387{
388 return pnetwork->MacAddress;
389}
390
391u16 get_beacon_interval(struct wlan_bssid_ex *bss)
392{
393 __le16 val;
394 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
395
396 return le16_to_cpu(val);
397}
398
399int is_client_associated_to_ap(struct adapter *padapter)
400{
401 struct mlme_ext_priv *pmlmeext;
402 struct mlme_ext_info *pmlmeinfo;
403
404 if (!padapter)
405 return _FAIL;
406
407 pmlmeext = &padapter->mlmeextpriv;
408 pmlmeinfo = &pmlmeext->mlmext_info;
409
410 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE))
411 return true;
412 else
413 return _FAIL;
414}
415
416int is_client_associated_to_ibss(struct adapter *padapter)
417{
418 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
419 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
420
421 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE))
422 return true;
423 else
424 return _FAIL;
425}
426
427int is_IBSS_empty(struct adapter *padapter)
428{
429 unsigned int i;
430 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
431 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
432
433 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
434 if (pmlmeinfo->FW_sta_info[i].status == 1)
435 return _FAIL;
436 }
437 return true;
438}
439
440unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
441{
442 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
443 return WAIT_FOR_BCN_TO_MIN;
444 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
445 return WAIT_FOR_BCN_TO_MAX;
446 else
447 return bcn_interval << 2;
448}
449
450void CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
451{
452 rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
453}
454
455void invalidate_cam_all(struct adapter *padapter)
456{
457 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
458}
459
460void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
461{
462 unsigned int i, val, addr;
463 int j;
464 u32 cam_val[2];
465
466 addr = entry << 3;
467
468 for (j = 5; j >= 0; j--) {
469 switch (j) {
470 case 0:
471 val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
472 break;
473 case 1:
474 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
475 break;
476 default:
477 i = (j - 2) << 2;
478 val = (key[i] | (key[i + 1] << 8) | (key[i + 2] << 16) | (key[i + 3] << 24));
479 break;
480 }
481
482 cam_val[0] = val;
483 cam_val[1] = addr + (unsigned int)j;
484
485 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
486 }
487}
488
489void clear_cam_entry(struct adapter *padapter, u8 entry)
490{
491 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
492 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
493 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
494
495 write_cam(padapter, entry, 0, null_sta, null_key);
496}
497
498int allocate_fw_sta_entry(struct adapter *padapter)
499{
500 unsigned int mac_id;
501 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
502 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
503
504 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
505 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
506 pmlmeinfo->FW_sta_info[mac_id].status = 1;
507 pmlmeinfo->FW_sta_info[mac_id].retry = 0;
508 break;
509 }
510 }
511
512 return mac_id;
513}
514
515void flush_all_cam_entry(struct adapter *padapter)
516{
517 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
518 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
519
520 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
521
522 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
523}
524
525int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
526{
527
528 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
529 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
530 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
531
532 if (pmlmepriv->qospriv.qos_option == 0) {
533 pmlmeinfo->WMM_enable = 0;
534 return _FAIL;
535 }
536
537 pmlmeinfo->WMM_enable = 1;
538 memcpy(&pmlmeinfo->WMM_param, pIE->data + 6, sizeof(struct WMM_para_element));
539 return true;
540}
541
542void WMMOnAssocRsp(struct adapter *padapter)
543{
544 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
545 u8 acm_mask;
546 u16 TXOP;
547 u32 acParm, i;
548 u32 edca[4], inx[4];
549 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
550 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
551 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
552 struct registry_priv *pregpriv = &padapter->registrypriv;
553
554 if (pmlmeinfo->WMM_enable == 0) {
555 padapter->mlmepriv.acm_mask = 0;
556 return;
557 }
558
559 acm_mask = 0;
560
561 if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
562 aSifsTime = 10;
563 else
564 aSifsTime = 16;
565
566 for (i = 0; i < 4; i++) {
567 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
568 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
569
570
571 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
572
573 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
574 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
575 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
576
577 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
578
579 switch (ACI) {
580 case 0x0:
581 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
582 acm_mask |= (ACM ? BIT(1) : 0);
583 edca[XMIT_BE_QUEUE] = acParm;
584 break;
585 case 0x1:
586 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
587 edca[XMIT_BK_QUEUE] = acParm;
588 break;
589 case 0x2:
590 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
591 acm_mask |= (ACM ? BIT(2) : 0);
592 edca[XMIT_VI_QUEUE] = acParm;
593 break;
594 case 0x3:
595 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
596 acm_mask |= (ACM ? BIT(3) : 0);
597 edca[XMIT_VO_QUEUE] = acParm;
598 break;
599 }
600
601 DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
602 }
603
604 if (padapter->registrypriv.acm_method == 1)
605 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
606 else
607 padapter->mlmepriv.acm_mask = acm_mask;
608
609 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
610
611 if (pregpriv->wifi_spec == 1) {
612 u32 j, tmp, change_inx = false;
613
614
615 for (i = 0; i < 4; i++) {
616 for (j = i + 1; j < 4; j++) {
617
618 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
619 change_inx = true;
620 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
621
622 if ((edca[j] >> 16) > (edca[i] >> 16))
623 change_inx = true;
624 }
625
626 if (change_inx) {
627 tmp = edca[i];
628 edca[i] = edca[j];
629 edca[j] = tmp;
630
631 tmp = inx[i];
632 inx[i] = inx[j];
633 inx[j] = tmp;
634
635 change_inx = false;
636 }
637 }
638 }
639 }
640
641 for (i = 0; i < 4; i++) {
642 pxmitpriv->wmm_para_seq[i] = inx[i];
643 DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
644 }
645}
646
647static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
648{
649 unsigned char new_bwmode;
650 unsigned char new_ch_offset;
651 struct HT_info_element *pHT_info;
652 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
653 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
654 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
655 struct registry_priv *pregistrypriv = &padapter->registrypriv;
656 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
657
658 if (!pIE)
659 return;
660
661 if (!phtpriv)
662 return;
663
664 if (pIE->Length > sizeof(struct HT_info_element))
665 return;
666
667 pHT_info = (struct HT_info_element *)pIE->data;
668
669 if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
670 new_bwmode = HT_CHANNEL_WIDTH_40;
671
672 switch (pHT_info->infos[0] & 0x3) {
673 case 1:
674 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
675 break;
676 case 3:
677 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
678 break;
679 default:
680 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
681 break;
682 }
683 } else {
684 new_bwmode = HT_CHANNEL_WIDTH_20;
685 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
686 }
687
688 if ((new_bwmode != pmlmeext->cur_bwmode) ||
689 (new_ch_offset != pmlmeext->cur_ch_offset)) {
690 pmlmeinfo->bwmode_updated = true;
691
692 pmlmeext->cur_bwmode = new_bwmode;
693 pmlmeext->cur_ch_offset = new_ch_offset;
694
695
696 HT_info_handler(padapter, pIE);
697 } else {
698 pmlmeinfo->bwmode_updated = false;
699 }
700
701 if (pmlmeinfo->bwmode_updated) {
702 struct sta_info *psta;
703 struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
704 struct sta_priv *pstapriv = &padapter->stapriv;
705
706
707
708
709 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
710 if (psta) {
711 struct ht_priv *phtpriv_sta = &psta->htpriv;
712
713 if (phtpriv_sta->ht_option) {
714
715 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
716 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
717 } else {
718 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
719 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
720 }
721 }
722 }
723}
724
725void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
726{
727 unsigned int i;
728 u8 rf_type;
729 u8 max_AMPDU_len, min_MPDU_spacing;
730 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
731 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
732 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
733 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
734
735 if (!pIE)
736 return;
737
738 if (!phtpriv->ht_option)
739 return;
740
741 pmlmeinfo->HT_caps_enable = 1;
742
743 for (i = 0; i < (pIE->Length); i++) {
744 if (i != 2) {
745
746 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
747 } else {
748
749 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
750 max_AMPDU_len = (pIE->data[i] & 0x3);
751 else
752 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
753
754 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
755 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
756 else
757 min_MPDU_spacing = (pIE->data[i] & 0x1c);
758
759 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
760 }
761 }
762
763 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
764
765
766 for (i = 0; i < 16; i++) {
767 if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
768 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
769 else
770 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
771 }
772}
773
774void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
775{
776 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
777 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
778 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
779 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
780
781 if (!pIE)
782 return;
783
784 if (!phtpriv->ht_option)
785 return;
786
787 if (pIE->Length > sizeof(struct HT_info_element))
788 return;
789
790 pmlmeinfo->HT_info_enable = 1;
791 memcpy(&pmlmeinfo->HT_info, pIE->data, pIE->Length);
792}
793
794void HTOnAssocRsp(struct adapter *padapter)
795{
796 unsigned char max_AMPDU_len;
797 unsigned char min_MPDU_spacing;
798
799 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
800 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
801
802 DBG_88E("%s\n", __func__);
803
804 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
805 pmlmeinfo->HT_enable = 1;
806 } else {
807 pmlmeinfo->HT_enable = 0;
808 return;
809 }
810
811
812
813
814
815
816 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
817
818 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
819
820 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
821
822 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
823}
824
825void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
826{
827 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
828 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
829
830 if (pIE->Length > 1)
831 return;
832
833 pmlmeinfo->ERP_enable = 1;
834 memcpy(&pmlmeinfo->ERP_IE, pIE->data, pIE->Length);
835}
836
837void VCS_update(struct adapter *padapter, struct sta_info *psta)
838{
839 struct registry_priv *pregpriv = &padapter->registrypriv;
840 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
841 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
842
843 switch (pregpriv->vrtl_carrier_sense) {
844 case 0:
845 psta->rtsen = 0;
846 psta->cts2self = 0;
847 break;
848 case 1:
849 if (pregpriv->vcs_type == 1) {
850 psta->rtsen = 1;
851 psta->cts2self = 0;
852 } else {
853 psta->rtsen = 0;
854 psta->cts2self = 1;
855 }
856 break;
857 case 2:
858 default:
859 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
860 if (pregpriv->vcs_type == 1) {
861 psta->rtsen = 1;
862 psta->cts2self = 0;
863 } else {
864 psta->rtsen = 0;
865 psta->cts2self = 1;
866 }
867 } else {
868 psta->rtsen = 0;
869 psta->cts2self = 0;
870 }
871 break;
872 }
873}
874
875int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
876{
877 unsigned int len;
878 unsigned char *p;
879 unsigned short val16, subtype;
880 struct wlan_network *cur_network = &Adapter->mlmepriv.cur_network;
881
882 u16 wpa_len = 0, rsn_len = 0;
883 u8 encryp_protocol = 0;
884 struct wlan_bssid_ex *bssid;
885 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
886 unsigned char *pbuf;
887 u32 wpa_ielen = 0;
888 u8 *pbssid = GetAddr3Ptr(pframe);
889 u32 hidden_ssid = 0;
890 struct HT_info_element *pht_info = NULL;
891 struct ieee80211_ht_cap *pht_cap = NULL;
892 u32 bcn_channel;
893 unsigned short ht_cap_info;
894 unsigned char ht_info_infos_0;
895
896 if (!is_client_associated_to_ap(Adapter))
897 return true;
898
899 len = packet_len - sizeof(struct rtw_ieee80211_hdr_3addr);
900
901 if (len > MAX_IE_SZ) {
902 DBG_88E("%s IE too long for survey event\n", __func__);
903 return _FAIL;
904 }
905
906 if (memcmp(cur_network->network.MacAddress, pbssid, 6)) {
907 DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
908 (pbssid), (cur_network->network.MacAddress));
909 return true;
910 }
911
912 bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
913 if (!bssid)
914 return _FAIL;
915
916 subtype = GetFrameSubType(pframe) >> 4;
917
918 if (subtype == WIFI_BEACON)
919 bssid->Reserved[0] = 1;
920
921 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
922
923
924 bssid->IELength = len;
925 memcpy(bssid->IEs, (pframe + sizeof(struct rtw_ieee80211_hdr_3addr)), bssid->IELength);
926
927
928
929 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
930 if (p && len > 0) {
931 pht_cap = (struct ieee80211_ht_cap *)(p + 2);
932 ht_cap_info = le16_to_cpu(pht_cap->cap_info);
933 } else {
934 ht_cap_info = 0;
935 }
936
937 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
938 if (p && len > 0) {
939 pht_info = (struct HT_info_element *)(p + 2);
940 ht_info_infos_0 = pht_info->infos[0];
941 } else {
942 ht_info_infos_0 = 0;
943 }
944 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
945 ((ht_info_infos_0 & 0x03) != (cur_network->BcnInfo.ht_info_infos_0 & 0x03))) {
946 DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
947 ht_cap_info, ht_info_infos_0);
948 DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
949 cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
950 DBG_88E("%s bw mode change, disconnect\n", __func__);
951
952 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
953 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
954
955
956 }
957
958
959 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
960 if (p) {
961 bcn_channel = *(p + 2);
962 } else {
963 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
964 if (pht_info) {
965 bcn_channel = pht_info->primary_channel;
966 } else {
967 DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
968 bcn_channel = Adapter->mlmeextpriv.cur_channel;
969 }
970 }
971 if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
972 DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
973 bcn_channel, Adapter->mlmeextpriv.cur_channel);
974 goto _mismatch;
975 }
976
977
978 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
979 if (!p) {
980 DBG_88E("%s marc: cannot find SSID for survey event\n", __func__);
981 hidden_ssid = true;
982 } else {
983 hidden_ssid = false;
984 }
985
986 if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) {
987 memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
988 bssid->Ssid.SsidLength = *(p + 1);
989 } else {
990 bssid->Ssid.SsidLength = 0;
991 bssid->Ssid.Ssid[0] = '\0';
992 }
993
994 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
995 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
996 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) {
997 DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
998 goto _mismatch;
999 }
1000 }
1001
1002
1003 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1004
1005 if (val16 & BIT(4))
1006 bssid->Privacy = 1;
1007 else
1008 bssid->Privacy = 0;
1009
1010 if (cur_network->network.Privacy != bssid->Privacy) {
1011 DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
1012 goto _mismatch;
1013 }
1014
1015 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1016
1017 if (rsn_len > 0) {
1018 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1019 } else if (wpa_len > 0) {
1020 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1021 } else {
1022 if (bssid->Privacy)
1023 encryp_protocol = ENCRYP_PROTOCOL_WEP;
1024 }
1025
1026 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
1027 DBG_88E("%s(): enctyp is not match , return FAIL\n", __func__);
1028 goto _mismatch;
1029 }
1030
1031 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1032 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength - 12);
1033 if (pbuf && (wpa_ielen > 0)) {
1034 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher, &pairwise_cipher, &is_8021x);
1035 } else {
1036 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength - 12);
1037
1038 if (pbuf && (wpa_ielen > 0))
1039 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher, &pairwise_cipher, &is_8021x);
1040 }
1041
1042 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1043 DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
1044 pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1045 group_cipher, cur_network->BcnInfo.group_cipher);
1046 goto _mismatch;
1047 }
1048
1049 if (is_8021x != cur_network->BcnInfo.is_8021x) {
1050 DBG_88E("%s authentication is not match , return FAIL\n", __func__);
1051 goto _mismatch;
1052 }
1053 }
1054
1055 kfree(bssid);
1056
1057 return _SUCCESS;
1058
1059_mismatch:
1060 kfree(bssid);
1061
1062 return _FAIL;
1063}
1064
1065void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1066{
1067 unsigned int i;
1068 unsigned int len;
1069 struct ndis_802_11_var_ie *pIE;
1070
1071 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1072
1073 for (i = 0; i < len;) {
1074 pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1075
1076 switch (pIE->ElementID) {
1077 case _HT_EXTRA_INFO_IE_:
1078
1079 bwmode_update_check(padapter, pIE);
1080 break;
1081 case _ERPINFO_IE_:
1082 ERP_IE_handler(padapter, pIE);
1083 VCS_update(padapter, psta);
1084 break;
1085 default:
1086 break;
1087 }
1088
1089 i += (pIE->Length + 2);
1090 }
1091}
1092
1093unsigned int is_ap_in_tkip(struct adapter *padapter)
1094{
1095 u32 i;
1096 struct ndis_802_11_var_ie *pIE;
1097 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1098 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1099 struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
1100
1101 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1102 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1103 pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1104
1105 switch (pIE->ElementID) {
1106 case _VENDOR_SPECIFIC_IE_:
1107 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1108 return true;
1109 break;
1110 case _RSN_IE_2_:
1111 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1112 return true;
1113 break;
1114 default:
1115 break;
1116 }
1117
1118 i += (pIE->Length + 2);
1119 }
1120 return false;
1121 } else {
1122 return false;
1123 }
1124}
1125
1126unsigned int should_forbid_n_rate(struct adapter *padapter)
1127{
1128 u32 i;
1129 struct ndis_802_11_var_ie *pIE;
1130 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1131 struct wlan_bssid_ex *cur_network = &pmlmepriv->cur_network.network;
1132
1133 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1134 for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
1135 pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
1136
1137 switch (pIE->ElementID) {
1138 case _VENDOR_SPECIFIC_IE_:
1139 if (!memcmp(pIE->data, RTW_WPA_OUI, 4) &&
1140 ((!memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
1141 (!memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
1142 return false;
1143 break;
1144 case _RSN_IE_2_:
1145 if ((!memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4)) ||
1146 (!memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
1147 return false;
1148 break;
1149 default:
1150 break;
1151 }
1152
1153 i += (pIE->Length + 2);
1154 }
1155
1156 return true;
1157 } else {
1158 return false;
1159 }
1160}
1161
1162unsigned int is_ap_in_wep(struct adapter *padapter)
1163{
1164 u32 i;
1165 struct ndis_802_11_var_ie *pIE;
1166 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1167 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1168 struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
1169
1170 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1171 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1172 pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1173
1174 switch (pIE->ElementID) {
1175 case _VENDOR_SPECIFIC_IE_:
1176 if (!memcmp(pIE->data, RTW_WPA_OUI, 4))
1177 return false;
1178 break;
1179 case _RSN_IE_2_:
1180 return false;
1181 default:
1182 break;
1183 }
1184 i += (pIE->Length + 2);
1185 }
1186 return true;
1187 } else {
1188 return false;
1189 }
1190}
1191
1192int wifirate2_ratetbl_inx(unsigned char rate)
1193{
1194 int inx = 0;
1195 rate = rate & 0x7f;
1196
1197 switch (rate) {
1198 case 54 * 2:
1199 inx = 11;
1200 break;
1201 case 48 * 2:
1202 inx = 10;
1203 break;
1204 case 36 * 2:
1205 inx = 9;
1206 break;
1207 case 24 * 2:
1208 inx = 8;
1209 break;
1210 case 18 * 2:
1211 inx = 7;
1212 break;
1213 case 12 * 2:
1214 inx = 6;
1215 break;
1216 case 9 * 2:
1217 inx = 5;
1218 break;
1219 case 6 * 2:
1220 inx = 4;
1221 break;
1222 case 11 * 2:
1223 inx = 3;
1224 break;
1225 case 11:
1226 inx = 2;
1227 break;
1228 case 2 * 2:
1229 inx = 1;
1230 break;
1231 case 1 * 2:
1232 inx = 0;
1233 break;
1234 }
1235 return inx;
1236}
1237
1238unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
1239{
1240 unsigned int i, num_of_rate;
1241 unsigned int mask = 0;
1242
1243 num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1244
1245 for (i = 0; i < num_of_rate; i++) {
1246 if ((*(ptn + i)) & 0x80)
1247 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1248 }
1249 return mask;
1250}
1251
1252unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
1253{
1254 unsigned int i, num_of_rate;
1255 unsigned int mask = 0;
1256
1257 num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1258
1259 for (i = 0; i < num_of_rate; i++)
1260 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1261 return mask;
1262}
1263
1264unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
1265{
1266 unsigned int mask = 0;
1267
1268 mask = ((pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20));
1269
1270 return mask;
1271}
1272
1273int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
1274{
1275 unsigned char bit_offset;
1276 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1277 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1278
1279 if (!(pmlmeinfo->HT_enable))
1280 return _FAIL;
1281
1282 if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
1283 return _FAIL;
1284
1285 bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
1286
1287 if (__le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1288 return _SUCCESS;
1289 else
1290 return _FAIL;
1291}
1292
1293unsigned char get_highest_rate_idx(u32 mask)
1294{
1295 int i;
1296 unsigned char rate_idx = 0;
1297
1298 for (i = 27; i >= 0; i--) {
1299 if (mask & BIT(i)) {
1300 rate_idx = i;
1301 break;
1302 }
1303 }
1304 return rate_idx;
1305}
1306
1307void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
1308{
1309 rtw_hal_update_ra_mask(padapter, mac_id, 0);
1310}
1311
1312static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
1313{
1314 Update_RA_Entry(padapter, mac_id);
1315}
1316
1317void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1318{
1319
1320 enable_rate_adaptive(padapter, psta->mac_id);
1321}
1322
1323
1324void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
1325{
1326 unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
1327#ifdef CONFIG_88EU_P2P
1328 struct wifidirect_info *pwdinfo = &padapter->wdinfo;
1329
1330
1331
1332
1333 if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
1334 return;
1335#endif
1336 memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
1337
1338 if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
1339 memcpy(supported_rates, rtw_basic_rate_cck, 4);
1340 else if (wirelessmode & WIRELESS_11B)
1341 memcpy(supported_rates, rtw_basic_rate_mix, 7);
1342 else
1343 memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
1344
1345 if (wirelessmode & WIRELESS_11B)
1346 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1347 else
1348 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1349
1350 rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
1351}
1352
1353unsigned char check_assoc_AP(u8 *pframe, uint len)
1354{
1355 unsigned int i;
1356 struct ndis_802_11_var_ie *pIE;
1357 u8 epigram_vendor_flag;
1358 u8 ralink_vendor_flag;
1359 epigram_vendor_flag = 0;
1360 ralink_vendor_flag = 0;
1361
1362 for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
1363 pIE = (struct ndis_802_11_var_ie *)(pframe + i);
1364
1365 switch (pIE->ElementID) {
1366 case _VENDOR_SPECIFIC_IE_:
1367 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
1368 (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1369 DBG_88E("link to Artheros AP\n");
1370 return HT_IOT_PEER_ATHEROS;
1371 } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1372 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
1373 (!memcmp(pIE->data, BROADCOM_OUI2, 3))) {
1374 DBG_88E("link to Broadcom AP\n");
1375 return HT_IOT_PEER_BROADCOM;
1376 } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1377 DBG_88E("link to Marvell AP\n");
1378 return HT_IOT_PEER_MARVELL;
1379 } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1380 if (!ralink_vendor_flag) {
1381 ralink_vendor_flag = 1;
1382 } else {
1383 DBG_88E("link to Ralink AP\n");
1384 return HT_IOT_PEER_RALINK;
1385 }
1386 } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1387 DBG_88E("link to Cisco AP\n");
1388 return HT_IOT_PEER_CISCO;
1389 } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1390 DBG_88E("link to Realtek 96B\n");
1391 return HT_IOT_PEER_REALTEK;
1392 } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1393 DBG_88E("link to Airgo Cap\n");
1394 return HT_IOT_PEER_AIRGO;
1395 } else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) {
1396 epigram_vendor_flag = 1;
1397 if (ralink_vendor_flag) {
1398 DBG_88E("link to Tenda W311R AP\n");
1399 return HT_IOT_PEER_TENDA;
1400 } else {
1401 DBG_88E("Capture EPIGRAM_OUI\n");
1402 }
1403 } else {
1404 break;
1405 }
1406 break;
1407
1408 default:
1409 break;
1410 }
1411 i += (pIE->Length + 2);
1412 }
1413
1414 if (ralink_vendor_flag && !epigram_vendor_flag) {
1415 DBG_88E("link to Ralink AP\n");
1416 return HT_IOT_PEER_RALINK;
1417 } else if (ralink_vendor_flag && epigram_vendor_flag) {
1418 DBG_88E("link to Tenda W311R AP\n");
1419 return HT_IOT_PEER_TENDA;
1420 } else {
1421 DBG_88E("link to new AP\n");
1422 return HT_IOT_PEER_UNKNOWN;
1423 }
1424}
1425
1426void update_IOT_info(struct adapter *padapter)
1427{
1428 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1429 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1430
1431 switch (pmlmeinfo->assoc_AP_vendor) {
1432 case HT_IOT_PEER_MARVELL:
1433 pmlmeinfo->turboMode_cts2self = 1;
1434 pmlmeinfo->turboMode_rtsen = 0;
1435 break;
1436 case HT_IOT_PEER_RALINK:
1437 pmlmeinfo->turboMode_cts2self = 0;
1438 pmlmeinfo->turboMode_rtsen = 1;
1439
1440 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1441 break;
1442 case HT_IOT_PEER_REALTEK:
1443
1444
1445
1446 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1447 break;
1448 default:
1449 pmlmeinfo->turboMode_cts2self = 0;
1450 pmlmeinfo->turboMode_rtsen = 1;
1451 break;
1452 }
1453}
1454
1455void update_capinfo(struct adapter *Adapter, u16 updateCap)
1456{
1457 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1458 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1459 bool ShortPreamble;
1460
1461
1462
1463
1464 if (updateCap & cShortPreamble) {
1465 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) {
1466 ShortPreamble = true;
1467 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1468 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1469 }
1470 } else {
1471 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) {
1472 ShortPreamble = false;
1473 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1474 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1475 }
1476 }
1477
1478 if (updateCap & cIBSS) {
1479
1480 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1481 } else {
1482 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
1483 if (updateCap & cShortSlotTime) {
1484 if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
1485 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1486 } else {
1487 if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
1488 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1489 }
1490 } else {
1491
1492 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1493 }
1494 }
1495
1496 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1497}
1498
1499void update_wireless_mode(struct adapter *padapter)
1500{
1501 int ratelen, network_type = 0;
1502 u32 SIFS_Timer;
1503 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1504 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1505 struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
1506 unsigned char *rate = cur_network->SupportedRates;
1507
1508 ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1509
1510 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1511 pmlmeinfo->HT_enable = 1;
1512
1513 if (pmlmeext->cur_channel > 14) {
1514 network_type |= WIRELESS_INVALID;
1515 } else {
1516 if (pmlmeinfo->HT_enable)
1517 network_type = WIRELESS_11_24N;
1518
1519 if (cckratesonly_included(rate, ratelen))
1520 network_type |= WIRELESS_11B;
1521 else if (cckrates_included(rate, ratelen))
1522 network_type |= WIRELESS_11BG;
1523 else
1524 network_type |= WIRELESS_11G;
1525 }
1526
1527 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1528
1529 SIFS_Timer = 0x0a0a0808;
1530
1531
1532 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
1533
1534 if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1535 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1536 else
1537 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1538}
1539
1540void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
1541{
1542 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1543 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1544
1545 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
1546
1547 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
1548 } else {
1549 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
1550 }
1551}
1552
1553int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1554{
1555 unsigned int ie_len;
1556 struct ndis_802_11_var_ie *pIE;
1557 int supportRateNum = 0;
1558 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1559 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1560
1561 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1562 if (!pIE)
1563 return _FAIL;
1564
1565 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1566 supportRateNum = ie_len;
1567
1568 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1569 if (pIE)
1570 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1571
1572 return _SUCCESS;
1573}
1574
1575void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1576{
1577 struct sta_info *psta;
1578 u16 tid;
1579 u16 param;
1580 struct recv_reorder_ctrl *preorder_ctrl;
1581 struct sta_priv *pstapriv = &padapter->stapriv;
1582 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1583 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1584 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1585
1586 psta = rtw_get_stainfo(pstapriv, addr);
1587
1588 if (psta) {
1589 param = le16_to_cpu(preq->BA_para_set);
1590 tid = (param >> 2) & 0x0f;
1591 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1592 preorder_ctrl->indicate_seq = 0xffff;
1593 preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq) ? true : false;
1594 }
1595}
1596
1597void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1598{
1599 u8 *pIE;
1600 __le32 *pbuf;
1601
1602 pIE = pframe + sizeof(struct rtw_ieee80211_hdr_3addr);
1603 pbuf = (__le32 *)pIE;
1604
1605 pmlmeext->TSFValue = le32_to_cpu(*(pbuf + 1));
1606
1607 pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1608
1609 pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1610}
1611
1612void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1613{
1614 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1615}
1616
1617void beacon_timing_control(struct adapter *padapter)
1618{
1619 rtw_hal_bcn_related_reg_setting(padapter);
1620}
1621
1622static struct adapter *pbuddy_padapter;
1623
1624int rtw_handle_dualmac(struct adapter *adapter, bool init)
1625{
1626 int status = _SUCCESS;
1627
1628 if (init) {
1629 if (!pbuddy_padapter) {
1630 pbuddy_padapter = adapter;
1631 DBG_88E("%s(): pbuddy_padapter == NULL, Set pbuddy_padapter\n", __func__);
1632 } else {
1633 adapter->pbuddy_adapter = pbuddy_padapter;
1634 pbuddy_padapter->pbuddy_adapter = adapter;
1635
1636 pbuddy_padapter = NULL;
1637 DBG_88E("%s(): pbuddy_padapter exist, Exchange Information\n", __func__);
1638 }
1639 } else {
1640 pbuddy_padapter = NULL;
1641 }
1642 return status;
1643}
1644
