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15#define _RTW_WLAN_UTIL_C_
16
17#include <linux/ieee80211.h>
18
19#include <osdep_service.h>
20#include <drv_types.h>
21#include <wifi.h>
22
23static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
24static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
25
26static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
27static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
28
29static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
30static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
31static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
32static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
33static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
34static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
35
36unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
37
38#define R2T_PHY_DELAY (0)
39
40
41#define WAIT_FOR_BCN_TO_MIN (6000)
42#define WAIT_FOR_BCN_TO_MAX (20000)
43
44static u8 rtw_basic_rate_cck[4] = {
45 IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
46 IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK
47};
48
49static u8 rtw_basic_rate_ofdm[3] = {
50 IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
51 IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
52};
53
54static u8 rtw_basic_rate_mix[7] = {
55 IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
56 IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK,
57 IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
58 IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
59};
60
61int cckrates_included(unsigned char *rate, int ratelen)
62{
63 int i;
64
65 for (i = 0; i < ratelen; i++) {
66 if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
67 (((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
68 return true;
69 }
70 return false;
71}
72
73int cckratesonly_included(unsigned char *rate, int ratelen)
74{
75 int i;
76
77 for (i = 0; i < ratelen; i++) {
78 if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
79 (((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
80 return false;
81 }
82
83 return true;
84}
85
86unsigned char networktype_to_raid(unsigned char network_type)
87{
88 switch (network_type) {
89 case WIRELESS_11B:
90 return RATR_INX_WIRELESS_B;
91 case WIRELESS_11A:
92 case WIRELESS_11G:
93 return RATR_INX_WIRELESS_G;
94 case WIRELESS_11BG:
95 return RATR_INX_WIRELESS_GB;
96 case WIRELESS_11_24N:
97 case WIRELESS_11_5N:
98 return RATR_INX_WIRELESS_N;
99 case WIRELESS_11A_5N:
100 case WIRELESS_11G_24N:
101 return RATR_INX_WIRELESS_NG;
102 case WIRELESS_11BG_24N:
103 return RATR_INX_WIRELESS_NGB;
104 default:
105 return RATR_INX_WIRELESS_GB;
106 }
107}
108
109u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
110{
111 u8 network_type = 0;
112 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
113 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
114
115 if (pmlmeext->cur_channel > 14) {
116 if (pmlmeinfo->HT_enable)
117 network_type = WIRELESS_11_5N;
118
119 network_type |= WIRELESS_11A;
120 } else {
121 if (pmlmeinfo->HT_enable)
122 network_type = WIRELESS_11_24N;
123
124 if ((cckratesonly_included(rate, ratelen)) == true)
125 network_type |= WIRELESS_11B;
126 else if ((cckrates_included(rate, ratelen)) == true)
127 network_type |= WIRELESS_11BG;
128 else
129 network_type |= WIRELESS_11G;
130 }
131 return network_type;
132}
133
134static unsigned char ratetbl_val_2wifirate(unsigned char rate)
135{
136 switch (rate & 0x7f) {
137 case 0:
138 return IEEE80211_CCK_RATE_1MB;
139 case 1:
140 return IEEE80211_CCK_RATE_2MB;
141 case 2:
142 return IEEE80211_CCK_RATE_5MB;
143 case 3:
144 return IEEE80211_CCK_RATE_11MB;
145 case 4:
146 return IEEE80211_OFDM_RATE_6MB;
147 case 5:
148 return IEEE80211_OFDM_RATE_9MB;
149 case 6:
150 return IEEE80211_OFDM_RATE_12MB;
151 case 7:
152 return IEEE80211_OFDM_RATE_18MB;
153 case 8:
154 return IEEE80211_OFDM_RATE_24MB;
155 case 9:
156 return IEEE80211_OFDM_RATE_36MB;
157 case 10:
158 return IEEE80211_OFDM_RATE_48MB;
159 case 11:
160 return IEEE80211_OFDM_RATE_54MB;
161 default:
162 return 0;
163 }
164}
165
166static int is_basicrate(struct adapter *padapter, unsigned char rate)
167{
168 int i;
169 unsigned char val;
170 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
171
172 for (i = 0; i < NumRates; i++) {
173 val = pmlmeext->basicrate[i];
174
175 if ((val != 0xff) && (val != 0xfe)) {
176 if (rate == ratetbl_val_2wifirate(val))
177 return true;
178 }
179 }
180 return false;
181}
182
183static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
184{
185 int i;
186 unsigned char rate;
187 unsigned int len = 0;
188 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
189
190 for (i = 0; i < NumRates; i++) {
191 rate = pmlmeext->datarate[i];
192
193 switch (rate) {
194 case 0xff:
195 return len;
196 case 0xfe:
197 continue;
198 default:
199 rate = ratetbl_val_2wifirate(rate);
200
201 if (is_basicrate(padapter, rate) == true)
202 rate |= IEEE80211_BASIC_RATE_MASK;
203
204 rateset[len] = rate;
205 len++;
206 break;
207 }
208 }
209 return len;
210}
211
212void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
213{
214 unsigned char supportedrates[NumRates];
215
216 memset(supportedrates, 0, NumRates);
217 *bssrate_len = ratetbl2rateset(padapter, supportedrates);
218 memcpy(pbssrate, supportedrates, *bssrate_len);
219}
220
221void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
222{
223 u8 i;
224 u8 rate;
225
226
227 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
228 rate = mbrate[i] & 0x7f;
229 switch (rate) {
230 case IEEE80211_CCK_RATE_1MB:
231 case IEEE80211_CCK_RATE_2MB:
232 case IEEE80211_CCK_RATE_5MB:
233 case IEEE80211_CCK_RATE_11MB:
234 case IEEE80211_OFDM_RATE_6MB:
235 case IEEE80211_OFDM_RATE_12MB:
236 case IEEE80211_OFDM_RATE_24MB:
237 mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
238 break;
239 }
240 }
241}
242
243void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
244{
245 u8 i;
246 u8 rate;
247
248 for (i = 0; i < bssratelen; i++) {
249 rate = bssrateset[i] & 0x7f;
250 switch (rate) {
251 case IEEE80211_CCK_RATE_1MB:
252 case IEEE80211_CCK_RATE_2MB:
253 case IEEE80211_CCK_RATE_5MB:
254 case IEEE80211_CCK_RATE_11MB:
255 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
256 break;
257 }
258 }
259}
260
261void Save_DM_Func_Flag(struct adapter *padapter)
262{
263 u8 saveflag = true;
264
265 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
266}
267
268void Restore_DM_Func_Flag(struct adapter *padapter)
269{
270 u8 saveflag = false;
271
272 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
273}
274
275void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
276{
277 if (enable)
278 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
279 else
280 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
281}
282
283static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
284{
285 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
286}
287
288void Set_MSR(struct adapter *padapter, u8 type)
289{
290 Set_NETYPE0_MSR(padapter, type);
291}
292
293inline u8 rtw_get_oper_ch(struct adapter *adapter)
294{
295 return adapter->mlmeextpriv.oper_channel;
296}
297
298inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
299{
300 adapter->mlmeextpriv.oper_channel = ch;
301}
302
303inline u8 rtw_get_oper_bw(struct adapter *adapter)
304{
305 return adapter->mlmeextpriv.oper_bwmode;
306}
307
308inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
309{
310 adapter->mlmeextpriv.oper_bwmode = bw;
311}
312
313inline u8 rtw_get_oper_choffset(struct adapter *adapter)
314{
315 return adapter->mlmeextpriv.oper_ch_offset;
316}
317
318inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
319{
320 adapter->mlmeextpriv.oper_ch_offset = offset;
321}
322
323void SelectChannel(struct adapter *padapter, unsigned char channel)
324{
325
326 rtw_set_oper_ch(padapter, channel);
327 rtw_hal_set_chan(padapter, channel);
328}
329
330void SetBWMode(struct adapter *padapter, unsigned short bwmode,
331 unsigned char channel_offset)
332{
333
334 rtw_set_oper_bw(padapter, bwmode);
335 rtw_set_oper_choffset(padapter, channel_offset);
336
337 rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
338}
339
340void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
341{
342 u8 center_ch;
343
344 if ((bwmode == HT_CHANNEL_WIDTH_20) ||
345 (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
346
347 center_ch = channel;
348 } else {
349
350 if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
351
352 center_ch = channel + 2;
353 } else {
354
355 center_ch = channel - 2;
356 }
357 }
358
359
360
361 rtw_set_oper_ch(padapter, channel);
362 rtw_set_oper_bw(padapter, bwmode);
363 rtw_set_oper_choffset(padapter, channel_offset);
364
365 rtw_hal_set_chan(padapter, center_ch);
366 SetBWMode(padapter, bwmode, channel_offset);
367}
368
369int get_bsstype(unsigned short capability)
370{
371 if (capability & BIT(0))
372 return WIFI_FW_AP_STATE;
373 else if (capability & BIT(1))
374 return WIFI_FW_ADHOC_STATE;
375 else
376 return 0;
377}
378
379u16 get_beacon_interval(struct wlan_bssid_ex *bss)
380{
381 __le16 val;
382 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
383
384 return le16_to_cpu(val);
385}
386
387int is_client_associated_to_ap(struct adapter *padapter)
388{
389 struct mlme_ext_priv *pmlmeext;
390 struct mlme_ext_info *pmlmeinfo;
391
392 if (!padapter)
393 return _FAIL;
394
395 pmlmeext = &padapter->mlmeextpriv;
396 pmlmeinfo = &(pmlmeext->mlmext_info);
397
398 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
399 return true;
400 else
401 return _FAIL;
402}
403
404int is_client_associated_to_ibss(struct adapter *padapter)
405{
406 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
407 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
408
409 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
410 return true;
411 else
412 return _FAIL;
413}
414
415int is_IBSS_empty(struct adapter *padapter)
416{
417 unsigned int i;
418 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
419 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
420
421 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
422 if (pmlmeinfo->FW_sta_info[i].status == 1)
423 return _FAIL;
424 }
425 return true;
426}
427
428unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
429{
430 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
431 return WAIT_FOR_BCN_TO_MIN;
432 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
433 return WAIT_FOR_BCN_TO_MAX;
434 else
435 return bcn_interval << 2;
436}
437
438void CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
439{
440 rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
441}
442
443void invalidate_cam_all(struct adapter *padapter)
444{
445 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
446}
447
448void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
449{
450 unsigned int i, val, addr;
451 int j;
452 u32 cam_val[2];
453
454 addr = entry << 3;
455
456 for (j = 5; j >= 0; j--) {
457 switch (j) {
458 case 0:
459 val = ctrl | (mac[0] << 16) | (mac[1] << 24);
460 break;
461 case 1:
462 val = mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24);
463 break;
464 default:
465 i = (j - 2) << 2;
466 val = key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24);
467 break;
468 }
469
470 cam_val[0] = val;
471 cam_val[1] = addr + (unsigned int)j;
472
473 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
474 }
475}
476
477void clear_cam_entry(struct adapter *padapter, u8 entry)
478{
479 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
480 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
481 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
482
483 write_cam(padapter, entry, 0, null_sta, null_key);
484}
485
486int allocate_fw_sta_entry(struct adapter *padapter)
487{
488 unsigned int mac_id;
489 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
490 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
491
492 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
493 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
494 pmlmeinfo->FW_sta_info[mac_id].status = 1;
495 pmlmeinfo->FW_sta_info[mac_id].retry = 0;
496 break;
497 }
498 }
499
500 return mac_id;
501}
502
503void flush_all_cam_entry(struct adapter *padapter)
504{
505 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
506 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
507
508 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
509
510 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
511}
512
513int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
514{
515
516 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
517 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
518 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
519
520 if (pmlmepriv->qospriv.qos_option == 0) {
521 pmlmeinfo->WMM_enable = 0;
522 return _FAIL;
523 }
524
525 pmlmeinfo->WMM_enable = 1;
526 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
527 return true;
528}
529
530void WMMOnAssocRsp(struct adapter *padapter)
531{
532 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
533 u8 acm_mask;
534 u16 TXOP;
535 u32 acParm, i;
536 u32 edca[4], inx[4];
537 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
538 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
539 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
540 struct registry_priv *pregpriv = &padapter->registrypriv;
541
542 if (pmlmeinfo->WMM_enable == 0) {
543 padapter->mlmepriv.acm_mask = 0;
544 return;
545 }
546
547 acm_mask = 0;
548
549 if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
550 aSifsTime = 10;
551 else
552 aSifsTime = 16;
553
554 for (i = 0; i < 4; i++) {
555 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
556 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
557
558
559 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
560
561 ECWMin = pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f;
562 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
563 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
564
565 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
566
567 switch (ACI) {
568 case 0x0:
569 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
570 acm_mask |= (ACM ? BIT(1) : 0);
571 edca[XMIT_BE_QUEUE] = acParm;
572 break;
573 case 0x1:
574 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
575 edca[XMIT_BK_QUEUE] = acParm;
576 break;
577 case 0x2:
578 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
579 acm_mask |= (ACM ? BIT(2) : 0);
580 edca[XMIT_VI_QUEUE] = acParm;
581 break;
582 case 0x3:
583 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
584 acm_mask |= (ACM ? BIT(3) : 0);
585 edca[XMIT_VO_QUEUE] = acParm;
586 break;
587 }
588
589 DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
590 }
591
592 if (padapter->registrypriv.acm_method == 1)
593 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
594 else
595 padapter->mlmepriv.acm_mask = acm_mask;
596
597 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
598
599 if (pregpriv->wifi_spec == 1) {
600 u32 j, change_inx = false;
601
602
603 for (i = 0; i < 4; i++) {
604 for (j = i+1; j < 4; j++) {
605
606 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
607 change_inx = true;
608 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
609
610 if ((edca[j] >> 16) > (edca[i] >> 16))
611 change_inx = true;
612 }
613
614 if (change_inx) {
615 swap(edca[i], edca[j]);
616 swap(inx[i], inx[j]);
617 change_inx = false;
618 }
619 }
620 }
621 }
622
623 for (i = 0; i < 4; i++) {
624 pxmitpriv->wmm_para_seq[i] = inx[i];
625 DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
626 }
627}
628
629static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
630{
631 unsigned char new_bwmode;
632 unsigned char new_ch_offset;
633 struct HT_info_element *pHT_info;
634 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
635 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
636 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
637 struct registry_priv *pregistrypriv = &padapter->registrypriv;
638 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
639
640 if (!pIE)
641 return;
642
643 if (!phtpriv)
644 return;
645
646 if (pIE->Length > sizeof(struct HT_info_element))
647 return;
648
649 pHT_info = (struct HT_info_element *)pIE->data;
650
651 if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
652 new_bwmode = HT_CHANNEL_WIDTH_40;
653
654 switch (pHT_info->infos[0] & 0x3) {
655 case 1:
656 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
657 break;
658 case 3:
659 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
660 break;
661 default:
662 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
663 break;
664 }
665 } else {
666 new_bwmode = HT_CHANNEL_WIDTH_20;
667 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
668 }
669
670 if ((new_bwmode != pmlmeext->cur_bwmode) ||
671 (new_ch_offset != pmlmeext->cur_ch_offset)) {
672 pmlmeinfo->bwmode_updated = true;
673
674 pmlmeext->cur_bwmode = new_bwmode;
675 pmlmeext->cur_ch_offset = new_ch_offset;
676
677
678 HT_info_handler(padapter, pIE);
679 } else {
680 pmlmeinfo->bwmode_updated = false;
681 }
682
683 if (pmlmeinfo->bwmode_updated) {
684 struct sta_info *psta;
685 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
686 struct sta_priv *pstapriv = &padapter->stapriv;
687
688
689
690
691 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
692 if (psta) {
693 struct ht_priv *phtpriv_sta = &psta->htpriv;
694
695 if (phtpriv_sta->ht_option) {
696
697 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
698 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
699 } else {
700 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
701 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
702 }
703 }
704 }
705}
706
707void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
708{
709 unsigned int i;
710 u8 rf_type;
711 u8 max_AMPDU_len, min_MPDU_spacing;
712 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
713 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
714 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
715 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
716 u8 *HT_cap = (u8 *)(&pmlmeinfo->HT_caps);
717
718 if (pIE == NULL)
719 return;
720
721 if (!phtpriv->ht_option)
722 return;
723
724 pmlmeinfo->HT_caps_enable = 1;
725
726 for (i = 0; i < (pIE->Length); i++) {
727 if (i != 2) {
728
729 HT_cap[i] &= (pIE->data[i]);
730 } else {
731
732 if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x3) > (pIE->data[i] & 0x3))
733 max_AMPDU_len = pIE->data[i] & 0x3;
734 else
735 max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x3;
736
737 if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) > (pIE->data[i] & 0x1c))
738 min_MPDU_spacing = pmlmeinfo->HT_caps.ampdu_params_info & 0x1c;
739 else
740 min_MPDU_spacing = pIE->data[i] & 0x1c;
741
742 pmlmeinfo->HT_caps.ampdu_params_info = max_AMPDU_len | min_MPDU_spacing;
743 }
744 }
745
746 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
747
748
749 for (i = 0; i < 16; i++) {
750 if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
751 ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i];
752 else
753 ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_2R[i];
754 }
755}
756
757void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
758{
759 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
760 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
761 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
762 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
763
764 if (pIE == NULL)
765 return;
766
767 if (!phtpriv->ht_option)
768 return;
769
770 if (pIE->Length > sizeof(struct HT_info_element))
771 return;
772
773 pmlmeinfo->HT_info_enable = 1;
774 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
775}
776
777void HTOnAssocRsp(struct adapter *padapter)
778{
779 unsigned char max_AMPDU_len;
780 unsigned char min_MPDU_spacing;
781
782 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
783 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
784
785 DBG_88E("%s\n", __func__);
786
787 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
788 pmlmeinfo->HT_enable = 1;
789 } else {
790 pmlmeinfo->HT_enable = 0;
791 return;
792 }
793
794
795
796
797
798
799 max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
800
801 min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
802
803 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
804
805 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
806}
807
808void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
809{
810 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
811 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
812
813 if (pIE->Length > 1)
814 return;
815
816 pmlmeinfo->ERP_enable = 1;
817 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
818}
819
820void VCS_update(struct adapter *padapter, struct sta_info *psta)
821{
822 struct registry_priv *pregpriv = &padapter->registrypriv;
823 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
824 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
825
826 switch (pregpriv->vrtl_carrier_sense) {
827 case 0:
828 psta->rtsen = 0;
829 psta->cts2self = 0;
830 break;
831 case 1:
832 if (pregpriv->vcs_type == 1) {
833 psta->rtsen = 1;
834 psta->cts2self = 0;
835 } else {
836 psta->rtsen = 0;
837 psta->cts2self = 1;
838 }
839 break;
840 case 2:
841 default:
842 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
843 if (pregpriv->vcs_type == 1) {
844 psta->rtsen = 1;
845 psta->cts2self = 0;
846 } else {
847 psta->rtsen = 0;
848 psta->cts2self = 1;
849 }
850 } else {
851 psta->rtsen = 0;
852 psta->cts2self = 0;
853 }
854 break;
855 }
856}
857
858int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
859{
860 unsigned int len;
861 unsigned char *p;
862 unsigned short val16, subtype;
863 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
864
865 u16 wpa_len = 0, rsn_len = 0;
866 u8 encryp_protocol = 0;
867 struct wlan_bssid_ex *bssid;
868 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
869 unsigned char *pbuf;
870 u32 wpa_ielen = 0;
871 u8 *pbssid = GetAddr3Ptr(pframe);
872 struct HT_info_element *pht_info = NULL;
873 u32 bcn_channel;
874 unsigned short ht_cap_info;
875 unsigned char ht_info_infos_0;
876 int ssid_len;
877
878 if (is_client_associated_to_ap(Adapter) == false)
879 return true;
880
881 len = packet_len - sizeof(struct ieee80211_hdr_3addr);
882
883 if (len > MAX_IE_SZ) {
884 DBG_88E("%s IE too long for survey event\n", __func__);
885 return _FAIL;
886 }
887
888 if (!memcmp(cur_network->network.MacAddress, pbssid, 6) == false) {
889 DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
890 (pbssid), (cur_network->network.MacAddress));
891 return true;
892 }
893
894 bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
895 if (!bssid)
896 return _FAIL;
897
898 subtype = GetFrameSubType(pframe) >> 4;
899
900 if (subtype == WIFI_BEACON)
901 bssid->Reserved[0] = 1;
902
903 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
904
905
906 bssid->IELength = len;
907 memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
908
909
910
911 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
912 if (p && len > 0) {
913 struct ieee80211_ht_cap *ht_cap =
914 (struct ieee80211_ht_cap *)(p + 2);
915
916 ht_cap_info = le16_to_cpu(ht_cap->cap_info);
917 } else {
918 ht_cap_info = 0;
919 }
920
921 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
922 if (p && len > 0) {
923 pht_info = (struct HT_info_element *)(p + 2);
924 ht_info_infos_0 = pht_info->infos[0];
925 } else {
926 ht_info_infos_0 = 0;
927 }
928 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
929 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
930 DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
931 ht_cap_info, ht_info_infos_0);
932 DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
933 cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
934 DBG_88E("%s bw mode change, disconnect\n", __func__);
935
936 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
937 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
938
939
940 }
941
942
943 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
944 if (p) {
945 bcn_channel = *(p + 2);
946 } else {
947 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
948 if (pht_info) {
949 bcn_channel = pht_info->primary_channel;
950 } else {
951 DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
952 bcn_channel = Adapter->mlmeextpriv.cur_channel;
953 }
954 }
955 if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
956 DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
957 bcn_channel, Adapter->mlmeextpriv.cur_channel);
958 goto _mismatch;
959 }
960
961
962 ssid_len = 0;
963 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
964 if (p) {
965 ssid_len = *(p + 1);
966 if (ssid_len > NDIS_802_11_LENGTH_SSID)
967 ssid_len = 0;
968 }
969 memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len);
970 bssid->Ssid.SsidLength = ssid_len;
971
972 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
973 "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
974 bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
975 cur_network->network.Ssid.SsidLength));
976
977 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
978 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
979 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) {
980 DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
981 goto _mismatch;
982 }
983 }
984
985
986 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
987
988 if (val16 & BIT(4))
989 bssid->Privacy = 1;
990 else
991 bssid->Privacy = 0;
992
993 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
994 ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
995 __func__, cur_network->network.Privacy, bssid->Privacy));
996 if (cur_network->network.Privacy != bssid->Privacy) {
997 DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
998 goto _mismatch;
999 }
1000
1001 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1002
1003 if (rsn_len > 0) {
1004 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1005 } else if (wpa_len > 0) {
1006 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1007 } else {
1008 if (bssid->Privacy)
1009 encryp_protocol = ENCRYP_PROTOCOL_WEP;
1010 }
1011
1012 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
1013 DBG_88E("%s(): encryption protocol is not match , return FAIL\n", __func__);
1014 goto _mismatch;
1015 }
1016
1017 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1018 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1019 if (pbuf && (wpa_ielen > 0)) {
1020 if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1021 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1022 ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
1023 pairwise_cipher, group_cipher, is_8021x));
1024 }
1025 } else {
1026 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1027
1028 if (pbuf && (wpa_ielen > 0)) {
1029 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1030 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1031 ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
1032 __func__, pairwise_cipher, group_cipher, is_8021x));
1033 }
1034 }
1035 }
1036
1037 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1038 ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
1039 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1040 DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
1041 pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1042 group_cipher, cur_network->BcnInfo.group_cipher);
1043 goto _mismatch;
1044 }
1045
1046 if (is_8021x != cur_network->BcnInfo.is_8021x) {
1047 DBG_88E("%s authentication is not match , return FAIL\n", __func__);
1048 goto _mismatch;
1049 }
1050 }
1051
1052 kfree(bssid);
1053 return _SUCCESS;
1054
1055_mismatch:
1056 kfree(bssid);
1057 return _FAIL;
1058}
1059
1060void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1061{
1062 unsigned int i;
1063 unsigned int len;
1064 struct ndis_802_11_var_ie *pIE;
1065
1066 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1067
1068 for (i = 0; i < len;) {
1069 pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1070
1071 switch (pIE->ElementID) {
1072 case _HT_EXTRA_INFO_IE_:
1073
1074 bwmode_update_check(padapter, pIE);
1075 break;
1076 case _ERPINFO_IE_:
1077 ERP_IE_handler(padapter, pIE);
1078 VCS_update(padapter, psta);
1079 break;
1080 default:
1081 break;
1082 }
1083
1084 i += (pIE->Length + 2);
1085 }
1086}
1087
1088unsigned int is_ap_in_tkip(struct adapter *padapter)
1089{
1090 u32 i;
1091 struct ndis_802_11_var_ie *pIE;
1092 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1093 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1094 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1095
1096 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1097 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1098 pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1099
1100 switch (pIE->ElementID) {
1101 case _VENDOR_SPECIFIC_IE_:
1102 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1103 return true;
1104 break;
1105 case _RSN_IE_2_:
1106 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1107 return true;
1108 default:
1109 break;
1110 }
1111
1112 i += (pIE->Length + 2);
1113 }
1114 return false;
1115 } else {
1116 return false;
1117 }
1118}
1119
1120unsigned int should_forbid_n_rate(struct adapter *padapter)
1121{
1122 u32 i;
1123 struct ndis_802_11_var_ie *pIE;
1124 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1125 struct wlan_bssid_ex *cur_network = &pmlmepriv->cur_network.network;
1126
1127 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1128 for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
1129 pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
1130
1131 switch (pIE->ElementID) {
1132 case _VENDOR_SPECIFIC_IE_:
1133 if (!memcmp(pIE->data, RTW_WPA_OUI, 4) &&
1134 ((!memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
1135 (!memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
1136 return false;
1137 break;
1138 case _RSN_IE_2_:
1139 if ((!memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4)) ||
1140 (!memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
1141 return false;
1142 default:
1143 break;
1144 }
1145
1146 i += (pIE->Length + 2);
1147 }
1148
1149 return true;
1150 } else {
1151 return false;
1152 }
1153}
1154
1155unsigned int is_ap_in_wep(struct adapter *padapter)
1156{
1157 u32 i;
1158 struct ndis_802_11_var_ie *pIE;
1159 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1160 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1161 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1162
1163 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1164 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1165 pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1166
1167 switch (pIE->ElementID) {
1168 case _VENDOR_SPECIFIC_IE_:
1169 if (!memcmp(pIE->data, RTW_WPA_OUI, 4))
1170 return false;
1171 break;
1172 case _RSN_IE_2_:
1173 return false;
1174 default:
1175 break;
1176 }
1177 i += (pIE->Length + 2);
1178 }
1179 return true;
1180 } else {
1181 return false;
1182 }
1183}
1184
1185static int wifirate2_ratetbl_inx(unsigned char rate)
1186{
1187 rate = rate & 0x7f;
1188
1189 switch (rate) {
1190 case 54*2:
1191 return 11;
1192 case 48*2:
1193 return 10;
1194 case 36*2:
1195 return 9;
1196 case 24*2:
1197 return 8;
1198 case 18*2:
1199 return 7;
1200 case 12*2:
1201 return 6;
1202 case 9*2:
1203 return 5;
1204 case 6*2:
1205 return 4;
1206 case 11*2:
1207 return 3;
1208 case 11:
1209 return 2;
1210 case 2*2:
1211 return 1;
1212 case 1*2:
1213 return 0;
1214 default:
1215 return 0;
1216 }
1217}
1218
1219unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
1220{
1221 unsigned int i, num_of_rate;
1222 unsigned int mask = 0;
1223
1224 num_of_rate = min_t(unsigned int, ptn_sz, NumRates);
1225
1226 for (i = 0; i < num_of_rate; i++) {
1227 if ((*(ptn + i)) & 0x80)
1228 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1229 }
1230 return mask;
1231}
1232
1233unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
1234{
1235 unsigned int i, num_of_rate;
1236 unsigned int mask = 0;
1237
1238 num_of_rate = min_t(unsigned int, ptn_sz, NumRates);
1239
1240 for (i = 0; i < num_of_rate; i++)
1241 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1242 return mask;
1243}
1244
1245unsigned int update_MSC_rate(struct ieee80211_ht_cap *pHT_caps)
1246{
1247 unsigned int mask = 0;
1248
1249 mask = (pHT_caps->mcs.rx_mask[0] << 12) |
1250 (pHT_caps->mcs.rx_mask[1] << 20);
1251
1252 return mask;
1253}
1254
1255int support_short_GI(struct adapter *padapter, struct ieee80211_ht_cap *pHT_caps)
1256{
1257 unsigned char bit_offset;
1258 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1259 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1260
1261 if (!(pmlmeinfo->HT_enable))
1262 return _FAIL;
1263
1264 if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
1265 return _FAIL;
1266
1267 bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
1268
1269 if (__le16_to_cpu(pHT_caps->cap_info) & (0x1 << bit_offset))
1270 return _SUCCESS;
1271 else
1272 return _FAIL;
1273}
1274
1275unsigned char get_highest_rate_idx(u32 mask)
1276{
1277 int i;
1278 unsigned char rate_idx = 0;
1279
1280 for (i = 27; i >= 0; i--) {
1281 if (mask & BIT(i)) {
1282 rate_idx = i;
1283 break;
1284 }
1285 }
1286 return rate_idx;
1287}
1288
1289void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
1290{
1291 rtw_hal_update_ra_mask(padapter, mac_id, 0);
1292}
1293
1294static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
1295{
1296 Update_RA_Entry(padapter, mac_id);
1297}
1298
1299void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1300{
1301
1302 enable_rate_adaptive(padapter, psta->mac_id);
1303}
1304
1305
1306void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
1307{
1308 unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
1309 memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
1310
1311 if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
1312 memcpy(supported_rates, rtw_basic_rate_cck, 4);
1313 else if (wirelessmode & WIRELESS_11B)
1314 memcpy(supported_rates, rtw_basic_rate_mix, 7);
1315 else
1316 memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
1317
1318
1319 if (wirelessmode & WIRELESS_11B)
1320 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1321 else
1322 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1323
1324 rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
1325}
1326
1327unsigned char check_assoc_AP(u8 *pframe, uint len)
1328{
1329 unsigned int i;
1330 struct ndis_802_11_var_ie *pIE;
1331 u8 epigram_vendor_flag;
1332 u8 ralink_vendor_flag;
1333 epigram_vendor_flag = 0;
1334 ralink_vendor_flag = 0;
1335
1336 for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
1337 pIE = (struct ndis_802_11_var_ie *)(pframe + i);
1338
1339 switch (pIE->ElementID) {
1340 case _VENDOR_SPECIFIC_IE_:
1341 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
1342 (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1343 DBG_88E("link to Artheros AP\n");
1344 return HT_IOT_PEER_ATHEROS;
1345 } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1346 (!memcmp(pIE->data, BROADCOM_OUI2, 3))) {
1347 DBG_88E("link to Broadcom AP\n");
1348 return HT_IOT_PEER_BROADCOM;
1349 } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1350 DBG_88E("link to Marvell AP\n");
1351 return HT_IOT_PEER_MARVELL;
1352 } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1353 if (!ralink_vendor_flag) {
1354 ralink_vendor_flag = 1;
1355 } else {
1356 DBG_88E("link to Ralink AP\n");
1357 return HT_IOT_PEER_RALINK;
1358 }
1359 } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1360 DBG_88E("link to Cisco AP\n");
1361 return HT_IOT_PEER_CISCO;
1362 } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1363 DBG_88E("link to Realtek 96B\n");
1364 return HT_IOT_PEER_REALTEK;
1365 } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1366 DBG_88E("link to Airgo Cap\n");
1367 return HT_IOT_PEER_AIRGO;
1368 } else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) {
1369 epigram_vendor_flag = 1;
1370 if (ralink_vendor_flag) {
1371 DBG_88E("link to Tenda W311R AP\n");
1372 return HT_IOT_PEER_TENDA;
1373 } else {
1374 DBG_88E("Capture EPIGRAM_OUI\n");
1375 }
1376 } else {
1377 break;
1378 }
1379
1380 default:
1381 break;
1382 }
1383 i += (pIE->Length + 2);
1384 }
1385
1386 if (ralink_vendor_flag && !epigram_vendor_flag) {
1387 DBG_88E("link to Ralink AP\n");
1388 return HT_IOT_PEER_RALINK;
1389 } else if (ralink_vendor_flag && epigram_vendor_flag) {
1390 DBG_88E("link to Tenda W311R AP\n");
1391 return HT_IOT_PEER_TENDA;
1392 } else {
1393 DBG_88E("link to new AP\n");
1394 return HT_IOT_PEER_UNKNOWN;
1395 }
1396}
1397
1398void update_IOT_info(struct adapter *padapter)
1399{
1400 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1401 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1402
1403 switch (pmlmeinfo->assoc_AP_vendor) {
1404 case HT_IOT_PEER_MARVELL:
1405 pmlmeinfo->turboMode_cts2self = 1;
1406 pmlmeinfo->turboMode_rtsen = 0;
1407 break;
1408 case HT_IOT_PEER_RALINK:
1409 pmlmeinfo->turboMode_cts2self = 0;
1410 pmlmeinfo->turboMode_rtsen = 1;
1411
1412 Switch_DM_Func(padapter, (u32)(~DYNAMIC_BB_DYNAMIC_TXPWR),
1413 false);
1414 break;
1415 case HT_IOT_PEER_REALTEK:
1416
1417
1418
1419 Switch_DM_Func(padapter, (u32)(~DYNAMIC_BB_DYNAMIC_TXPWR),
1420 false);
1421 break;
1422 default:
1423 pmlmeinfo->turboMode_cts2self = 0;
1424 pmlmeinfo->turboMode_rtsen = 1;
1425 break;
1426 }
1427}
1428
1429void update_capinfo(struct adapter *Adapter, u16 updateCap)
1430{
1431 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1432 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1433 bool ShortPreamble;
1434
1435
1436
1437
1438 if (updateCap & cShortPreamble) {
1439 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) {
1440 ShortPreamble = true;
1441 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1442 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1443 }
1444 } else {
1445 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) {
1446 ShortPreamble = false;
1447 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1448 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1449 }
1450 }
1451
1452 if (updateCap & cIBSS) {
1453
1454 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1455 } else {
1456 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
1457 if (updateCap & cShortSlotTime) {
1458 if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
1459 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1460 } else {
1461 if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
1462 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1463 }
1464 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
1465 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1466 } else {
1467
1468 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1469 }
1470 }
1471
1472 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1473}
1474
1475void update_wireless_mode(struct adapter *padapter)
1476{
1477 int ratelen, network_type = 0;
1478 u32 SIFS_Timer;
1479 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1480 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1481 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1482 unsigned char *rate = cur_network->SupportedRates;
1483
1484 ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1485
1486 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1487 pmlmeinfo->HT_enable = 1;
1488
1489 if (pmlmeext->cur_channel > 14) {
1490 if (pmlmeinfo->HT_enable)
1491 network_type = WIRELESS_11_5N;
1492
1493 network_type |= WIRELESS_11A;
1494 } else {
1495 if (pmlmeinfo->HT_enable)
1496 network_type = WIRELESS_11_24N;
1497
1498 if ((cckratesonly_included(rate, ratelen)) == true)
1499 network_type |= WIRELESS_11B;
1500 else if ((cckrates_included(rate, ratelen)) == true)
1501 network_type |= WIRELESS_11BG;
1502 else
1503 network_type |= WIRELESS_11G;
1504 }
1505
1506 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1507
1508 SIFS_Timer = 0x0a0a0808;
1509
1510
1511 rtw_hal_set_hwreg(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
1512
1513 if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1514 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1515 else
1516 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1517}
1518
1519void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
1520{
1521 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1522 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1523
1524 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
1525
1526 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
1527 } else {
1528 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
1529 }
1530}
1531
1532int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1533{
1534 unsigned int ie_len;
1535 struct ndis_802_11_var_ie *pIE;
1536 int supportRateNum = 0;
1537 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1538 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1539
1540 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1541 if (pIE == NULL)
1542 return _FAIL;
1543 if (ie_len > NDIS_802_11_LENGTH_RATES_EX)
1544 return _FAIL;
1545
1546 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1547 supportRateNum = ie_len;
1548
1549 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1550 if (pIE) {
1551 if (supportRateNum + ie_len > NDIS_802_11_LENGTH_RATES_EX)
1552 return _FAIL;
1553 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1554 }
1555
1556 return _SUCCESS;
1557}
1558
1559void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1560{
1561 struct sta_info *psta;
1562 u16 tid;
1563 u16 param;
1564 struct recv_reorder_ctrl *preorder_ctrl;
1565 struct sta_priv *pstapriv = &padapter->stapriv;
1566 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1567 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1568 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1569
1570 psta = rtw_get_stainfo(pstapriv, addr);
1571
1572 if (psta) {
1573 param = le16_to_cpu(preq->BA_para_set);
1574 tid = (param>>2)&0x0f;
1575 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1576 preorder_ctrl->indicate_seq = 0xffff;
1577 preorder_ctrl->enable = (pmlmeinfo->accept_addba_req) ? true
1578 : false;
1579 }
1580}
1581
1582void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1583{
1584 u8 *pIE;
1585 __le32 *pbuf;
1586
1587 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1588 pbuf = (__le32 *)pIE;
1589
1590 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1591
1592 pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1593
1594 pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1595}
1596
1597void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1598{
1599 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1600}
1601
1602void beacon_timing_control(struct adapter *padapter)
1603{
1604 rtw_hal_bcn_related_reg_setting(padapter);
1605}
1606
