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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
383 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
384
385 return le16_to_cpu(val);
386}
387
388int is_client_associated_to_ap(struct adapter *padapter)
389{
390 struct mlme_ext_priv *pmlmeext;
391 struct mlme_ext_info *pmlmeinfo;
392
393 if (!padapter)
394 return _FAIL;
395
396 pmlmeext = &padapter->mlmeextpriv;
397 pmlmeinfo = &(pmlmeext->mlmext_info);
398
399 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
400 return true;
401 else
402 return _FAIL;
403}
404
405int is_client_associated_to_ibss(struct adapter *padapter)
406{
407 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
408 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
409
410 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
411 return true;
412 else
413 return _FAIL;
414}
415
416int is_IBSS_empty(struct adapter *padapter)
417{
418 unsigned int i;
419 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
420 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
421
422 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
423 if (pmlmeinfo->FW_sta_info[i].status == 1)
424 return _FAIL;
425 }
426 return true;
427}
428
429unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
430{
431 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
432 return WAIT_FOR_BCN_TO_MIN;
433 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
434 return WAIT_FOR_BCN_TO_MAX;
435 else
436 return bcn_interval << 2;
437}
438
439void CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
440{
441 rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
442}
443
444void invalidate_cam_all(struct adapter *padapter)
445{
446 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
447}
448
449void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
450{
451 unsigned int i, val, addr;
452 int j;
453 u32 cam_val[2];
454
455 addr = entry << 3;
456
457 for (j = 5; j >= 0; j--) {
458 switch (j) {
459 case 0:
460 val = ctrl | (mac[0] << 16) | (mac[1] << 24);
461 break;
462 case 1:
463 val = mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24);
464 break;
465 default:
466 i = (j - 2) << 2;
467 val = key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24);
468 break;
469 }
470
471 cam_val[0] = val;
472 cam_val[1] = addr + (unsigned int)j;
473
474 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
475 }
476}
477
478void clear_cam_entry(struct adapter *padapter, u8 entry)
479{
480 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
481 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
482 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
483
484 write_cam(padapter, entry, 0, null_sta, null_key);
485}
486
487int allocate_fw_sta_entry(struct adapter *padapter)
488{
489 unsigned int mac_id;
490 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
491 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
492
493 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
494 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
495 pmlmeinfo->FW_sta_info[mac_id].status = 1;
496 pmlmeinfo->FW_sta_info[mac_id].retry = 0;
497 break;
498 }
499 }
500
501 return mac_id;
502}
503
504void flush_all_cam_entry(struct adapter *padapter)
505{
506 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
507 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
508
509 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
510
511 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
512}
513
514int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
515{
516
517 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
518 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
519 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
520
521 if (pmlmepriv->qospriv.qos_option == 0) {
522 pmlmeinfo->WMM_enable = 0;
523 return _FAIL;
524 }
525
526 pmlmeinfo->WMM_enable = 1;
527 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
528 return true;
529}
530
531void WMMOnAssocRsp(struct adapter *padapter)
532{
533 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
534 u8 acm_mask;
535 u16 TXOP;
536 u32 acParm, i;
537 u32 edca[4], inx[4];
538 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
539 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
540 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
541 struct registry_priv *pregpriv = &padapter->registrypriv;
542
543 if (pmlmeinfo->WMM_enable == 0) {
544 padapter->mlmepriv.acm_mask = 0;
545 return;
546 }
547
548 acm_mask = 0;
549
550 if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
551 aSifsTime = 10;
552 else
553 aSifsTime = 16;
554
555 for (i = 0; i < 4; i++) {
556 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
557 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
558
559
560 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
561
562 ECWMin = pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f;
563 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
564 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
565
566 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
567
568 switch (ACI) {
569 case 0x0:
570 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
571 acm_mask |= (ACM ? BIT(1) : 0);
572 edca[XMIT_BE_QUEUE] = acParm;
573 break;
574 case 0x1:
575 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
576 edca[XMIT_BK_QUEUE] = acParm;
577 break;
578 case 0x2:
579 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
580 acm_mask |= (ACM ? BIT(2) : 0);
581 edca[XMIT_VI_QUEUE] = acParm;
582 break;
583 case 0x3:
584 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
585 acm_mask |= (ACM ? BIT(3) : 0);
586 edca[XMIT_VO_QUEUE] = acParm;
587 break;
588 }
589
590 DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
591 }
592
593 if (padapter->registrypriv.acm_method == 1)
594 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
595 else
596 padapter->mlmepriv.acm_mask = acm_mask;
597
598 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
599
600 if (pregpriv->wifi_spec == 1) {
601 u32 j, change_inx = false;
602
603
604 for (i = 0; i < 4; i++) {
605 for (j = i+1; j < 4; j++) {
606
607 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
608 change_inx = true;
609 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
610
611 if ((edca[j] >> 16) > (edca[i] >> 16))
612 change_inx = true;
613 }
614
615 if (change_inx) {
616 swap(edca[i], edca[j]);
617 swap(inx[i], inx[j]);
618 change_inx = false;
619 }
620 }
621 }
622 }
623
624 for (i = 0; i < 4; i++) {
625 pxmitpriv->wmm_para_seq[i] = inx[i];
626 DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
627 }
628}
629
630static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
631{
632 unsigned char new_bwmode;
633 unsigned char new_ch_offset;
634 struct HT_info_element *pHT_info;
635 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
636 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
637 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
638 struct registry_priv *pregistrypriv = &padapter->registrypriv;
639 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
640
641 if (!pIE)
642 return;
643
644 if (!phtpriv)
645 return;
646
647 if (pIE->Length > sizeof(struct HT_info_element))
648 return;
649
650 pHT_info = (struct HT_info_element *)pIE->data;
651
652 if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
653 new_bwmode = HT_CHANNEL_WIDTH_40;
654
655 switch (pHT_info->infos[0] & 0x3) {
656 case 1:
657 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
658 break;
659 case 3:
660 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
661 break;
662 default:
663 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
664 break;
665 }
666 } else {
667 new_bwmode = HT_CHANNEL_WIDTH_20;
668 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
669 }
670
671 if ((new_bwmode != pmlmeext->cur_bwmode) ||
672 (new_ch_offset != pmlmeext->cur_ch_offset)) {
673 pmlmeinfo->bwmode_updated = true;
674
675 pmlmeext->cur_bwmode = new_bwmode;
676 pmlmeext->cur_ch_offset = new_ch_offset;
677
678
679 HT_info_handler(padapter, pIE);
680 } else {
681 pmlmeinfo->bwmode_updated = false;
682 }
683
684 if (pmlmeinfo->bwmode_updated) {
685 struct sta_info *psta;
686 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
687 struct sta_priv *pstapriv = &padapter->stapriv;
688
689
690
691
692 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
693 if (psta) {
694 struct ht_priv *phtpriv_sta = &psta->htpriv;
695
696 if (phtpriv_sta->ht_option) {
697
698 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
699 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
700 } else {
701 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
702 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
703 }
704 }
705 }
706}
707
708void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
709{
710 unsigned int i;
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)
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
747 for (i = 0; i < 16; i++)
748 ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i];
749}
750
751void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
752{
753 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
754 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
755 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
756 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
757
758 if (!pIE)
759 return;
760
761 if (!phtpriv->ht_option)
762 return;
763
764 if (pIE->Length > sizeof(struct HT_info_element))
765 return;
766
767 pmlmeinfo->HT_info_enable = 1;
768 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
769}
770
771void HTOnAssocRsp(struct adapter *padapter)
772{
773 unsigned char max_AMPDU_len;
774 unsigned char min_MPDU_spacing;
775
776 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
777 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
778
779 DBG_88E("%s\n", __func__);
780
781 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
782 pmlmeinfo->HT_enable = 1;
783 } else {
784 pmlmeinfo->HT_enable = 0;
785 return;
786 }
787
788
789
790
791
792
793 max_AMPDU_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
794
795 min_MPDU_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
796
797 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
798
799 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
800}
801
802void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
803{
804 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
805 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
806
807 if (pIE->Length > 1)
808 return;
809
810 pmlmeinfo->ERP_enable = 1;
811 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
812}
813
814void VCS_update(struct adapter *padapter, struct sta_info *psta)
815{
816 struct registry_priv *pregpriv = &padapter->registrypriv;
817 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
818 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
819
820 switch (pregpriv->vrtl_carrier_sense) {
821 case 0:
822 psta->rtsen = 0;
823 psta->cts2self = 0;
824 break;
825 case 1:
826 if (pregpriv->vcs_type == 1) {
827 psta->rtsen = 1;
828 psta->cts2self = 0;
829 } else {
830 psta->rtsen = 0;
831 psta->cts2self = 1;
832 }
833 break;
834 case 2:
835 default:
836 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
837 if (pregpriv->vcs_type == 1) {
838 psta->rtsen = 1;
839 psta->cts2self = 0;
840 } else {
841 psta->rtsen = 0;
842 psta->cts2self = 1;
843 }
844 } else {
845 psta->rtsen = 0;
846 psta->cts2self = 0;
847 }
848 break;
849 }
850}
851
852int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
853{
854 unsigned int len;
855 unsigned char *p;
856 unsigned short val16, subtype;
857 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
858
859 u16 wpa_len = 0, rsn_len = 0;
860 u8 encryp_protocol = 0;
861 struct wlan_bssid_ex *bssid;
862 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
863 unsigned char *pbuf;
864 u32 wpa_ielen = 0;
865 u8 *pbssid = GetAddr3Ptr(pframe);
866 struct HT_info_element *pht_info = NULL;
867 u32 bcn_channel;
868 unsigned short ht_cap_info;
869 unsigned char ht_info_infos_0;
870 int ssid_len;
871
872 if (is_client_associated_to_ap(Adapter) == false)
873 return true;
874
875 len = packet_len - sizeof(struct ieee80211_hdr_3addr);
876
877 if (len > MAX_IE_SZ) {
878 DBG_88E("%s IE too long for survey event\n", __func__);
879 return _FAIL;
880 }
881
882 if (!memcmp(cur_network->network.MacAddress, pbssid, 6) == false) {
883 DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
884 (pbssid), (cur_network->network.MacAddress));
885 return true;
886 }
887
888 bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
889 if (!bssid)
890 return _FAIL;
891
892 subtype = GetFrameSubType(pframe) >> 4;
893
894 if (subtype == WIFI_BEACON)
895 bssid->Reserved[0] = 1;
896
897 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
898
899
900 bssid->IELength = len;
901 memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
902
903
904
905 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
906 if (p && len > 0) {
907 struct ieee80211_ht_cap *ht_cap =
908 (struct ieee80211_ht_cap *)(p + 2);
909
910 ht_cap_info = le16_to_cpu(ht_cap->cap_info);
911 } else {
912 ht_cap_info = 0;
913 }
914
915 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
916 if (p && len > 0) {
917 pht_info = (struct HT_info_element *)(p + 2);
918 ht_info_infos_0 = pht_info->infos[0];
919 } else {
920 ht_info_infos_0 = 0;
921 }
922 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
923 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
924 DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
925 ht_cap_info, ht_info_infos_0);
926 DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
927 cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
928 DBG_88E("%s bw mode change, disconnect\n", __func__);
929
930 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
931 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
932
933
934 }
935
936
937 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
938 if (p) {
939 bcn_channel = *(p + 2);
940 } else {
941 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
942 if (pht_info) {
943 bcn_channel = pht_info->primary_channel;
944 } else {
945 DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
946 bcn_channel = Adapter->mlmeextpriv.cur_channel;
947 }
948 }
949 if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
950 DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
951 bcn_channel, Adapter->mlmeextpriv.cur_channel);
952 goto _mismatch;
953 }
954
955
956 ssid_len = 0;
957 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
958 if (p) {
959 ssid_len = *(p + 1);
960 if (ssid_len > NDIS_802_11_LENGTH_SSID)
961 ssid_len = 0;
962 }
963 memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len);
964 bssid->Ssid.SsidLength = ssid_len;
965
966 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
967 "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
968 bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
969 cur_network->network.Ssid.SsidLength));
970
971 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
972 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
973 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) {
974 DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
975 goto _mismatch;
976 }
977 }
978
979
980 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
981
982 if (val16 & BIT(4))
983 bssid->Privacy = 1;
984 else
985 bssid->Privacy = 0;
986
987 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
988 ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
989 __func__, cur_network->network.Privacy, bssid->Privacy));
990 if (cur_network->network.Privacy != bssid->Privacy) {
991 DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
992 goto _mismatch;
993 }
994
995 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
996
997 if (rsn_len > 0) {
998 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
999 } else if (wpa_len > 0) {
1000 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1001 } else {
1002 if (bssid->Privacy)
1003 encryp_protocol = ENCRYP_PROTOCOL_WEP;
1004 }
1005
1006 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
1007 DBG_88E("%s(): encryption protocol is not match , return FAIL\n", __func__);
1008 goto _mismatch;
1009 }
1010
1011 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1012 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1013 if (pbuf && (wpa_ielen > 0)) {
1014 if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1015 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1016 ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
1017 pairwise_cipher, group_cipher, is_8021x));
1018 }
1019 } else {
1020 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1021
1022 if (pbuf && (wpa_ielen > 0)) {
1023 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1024 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1025 ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
1026 __func__, pairwise_cipher, group_cipher, is_8021x));
1027 }
1028 }
1029 }
1030
1031 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1032 ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
1033 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1034 DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
1035 pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1036 group_cipher, cur_network->BcnInfo.group_cipher);
1037 goto _mismatch;
1038 }
1039
1040 if (is_8021x != cur_network->BcnInfo.is_8021x) {
1041 DBG_88E("%s authentication is not match , return FAIL\n", __func__);
1042 goto _mismatch;
1043 }
1044 }
1045
1046 kfree(bssid);
1047 return _SUCCESS;
1048
1049_mismatch:
1050 kfree(bssid);
1051 return _FAIL;
1052}
1053
1054void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1055{
1056 unsigned int i;
1057 unsigned int len;
1058 struct ndis_802_11_var_ie *pIE;
1059
1060 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1061
1062 for (i = 0; i < len;) {
1063 pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1064
1065 switch (pIE->ElementID) {
1066 case _HT_EXTRA_INFO_IE_:
1067
1068 bwmode_update_check(padapter, pIE);
1069 break;
1070 case _ERPINFO_IE_:
1071 ERP_IE_handler(padapter, pIE);
1072 VCS_update(padapter, psta);
1073 break;
1074 default:
1075 break;
1076 }
1077
1078 i += (pIE->Length + 2);
1079 }
1080}
1081
1082unsigned int is_ap_in_tkip(struct adapter *padapter)
1083{
1084 u32 i;
1085 struct ndis_802_11_var_ie *pIE;
1086 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1087 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1088 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1089
1090 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1091 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1092 pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1093
1094 switch (pIE->ElementID) {
1095 case _VENDOR_SPECIFIC_IE_:
1096 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1097 return true;
1098 break;
1099 case _RSN_IE_2_:
1100 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1101 return true;
1102 default:
1103 break;
1104 }
1105
1106 i += (pIE->Length + 2);
1107 }
1108 return false;
1109 } else {
1110 return false;
1111 }
1112}
1113
1114unsigned int should_forbid_n_rate(struct adapter *padapter)
1115{
1116 u32 i;
1117 struct ndis_802_11_var_ie *pIE;
1118 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1119 struct wlan_bssid_ex *cur_network = &pmlmepriv->cur_network.network;
1120
1121 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1122 for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
1123 pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
1124
1125 switch (pIE->ElementID) {
1126 case _VENDOR_SPECIFIC_IE_:
1127 if (!memcmp(pIE->data, RTW_WPA_OUI, 4) &&
1128 ((!memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
1129 (!memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
1130 return false;
1131 break;
1132 case _RSN_IE_2_:
1133 if ((!memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4)) ||
1134 (!memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
1135 return false;
1136 default:
1137 break;
1138 }
1139
1140 i += (pIE->Length + 2);
1141 }
1142
1143 return true;
1144 } else {
1145 return false;
1146 }
1147}
1148
1149unsigned int is_ap_in_wep(struct adapter *padapter)
1150{
1151 u32 i;
1152 struct ndis_802_11_var_ie *pIE;
1153 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1154 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1155 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1156
1157 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1158 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1159 pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1160
1161 switch (pIE->ElementID) {
1162 case _VENDOR_SPECIFIC_IE_:
1163 if (!memcmp(pIE->data, RTW_WPA_OUI, 4))
1164 return false;
1165 break;
1166 case _RSN_IE_2_:
1167 return false;
1168 default:
1169 break;
1170 }
1171 i += (pIE->Length + 2);
1172 }
1173 return true;
1174 } else {
1175 return false;
1176 }
1177}
1178
1179static int wifirate2_ratetbl_inx(unsigned char rate)
1180{
1181 rate = rate & 0x7f;
1182
1183 switch (rate) {
1184 case 54*2:
1185 return 11;
1186 case 48*2:
1187 return 10;
1188 case 36*2:
1189 return 9;
1190 case 24*2:
1191 return 8;
1192 case 18*2:
1193 return 7;
1194 case 12*2:
1195 return 6;
1196 case 9*2:
1197 return 5;
1198 case 6*2:
1199 return 4;
1200 case 11*2:
1201 return 3;
1202 case 11:
1203 return 2;
1204 case 2*2:
1205 return 1;
1206 case 1*2:
1207 return 0;
1208 default:
1209 return 0;
1210 }
1211}
1212
1213unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
1214{
1215 unsigned int i, num_of_rate;
1216 unsigned int mask = 0;
1217
1218 num_of_rate = min_t(unsigned int, ptn_sz, NumRates);
1219
1220 for (i = 0; i < num_of_rate; i++) {
1221 if ((*(ptn + i)) & 0x80)
1222 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1223 }
1224 return mask;
1225}
1226
1227unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
1228{
1229 unsigned int i, num_of_rate;
1230 unsigned int mask = 0;
1231
1232 num_of_rate = min_t(unsigned int, ptn_sz, NumRates);
1233
1234 for (i = 0; i < num_of_rate; i++)
1235 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1236 return mask;
1237}
1238
1239unsigned int update_MSC_rate(struct ieee80211_ht_cap *pHT_caps)
1240{
1241 unsigned int mask = 0;
1242
1243 mask = (pHT_caps->mcs.rx_mask[0] << 12) |
1244 (pHT_caps->mcs.rx_mask[1] << 20);
1245
1246 return mask;
1247}
1248
1249int support_short_GI(struct adapter *padapter, struct ieee80211_ht_cap *pHT_caps)
1250{
1251 unsigned char bit_offset;
1252 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1253 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1254
1255 if (!(pmlmeinfo->HT_enable))
1256 return _FAIL;
1257
1258 if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
1259 return _FAIL;
1260
1261 bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
1262
1263 if (__le16_to_cpu(pHT_caps->cap_info) & (0x1 << bit_offset))
1264 return _SUCCESS;
1265 else
1266 return _FAIL;
1267}
1268
1269unsigned char get_highest_rate_idx(u32 mask)
1270{
1271 int i;
1272 unsigned char rate_idx = 0;
1273
1274 for (i = 27; i >= 0; i--) {
1275 if (mask & BIT(i)) {
1276 rate_idx = i;
1277 break;
1278 }
1279 }
1280 return rate_idx;
1281}
1282
1283void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
1284{
1285 rtw_hal_update_ra_mask(padapter, mac_id, 0);
1286}
1287
1288static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
1289{
1290 Update_RA_Entry(padapter, mac_id);
1291}
1292
1293void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1294{
1295
1296 enable_rate_adaptive(padapter, psta->mac_id);
1297}
1298
1299
1300void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
1301{
1302 unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
1303
1304 memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
1305
1306 if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
1307 memcpy(supported_rates, rtw_basic_rate_cck, 4);
1308 else if (wirelessmode & WIRELESS_11B)
1309 memcpy(supported_rates, rtw_basic_rate_mix, 7);
1310 else
1311 memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
1312
1313
1314 if (wirelessmode & WIRELESS_11B)
1315 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1316 else
1317 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1318
1319 rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
1320}
1321
1322unsigned char check_assoc_AP(u8 *pframe, uint len)
1323{
1324 unsigned int i;
1325 struct ndis_802_11_var_ie *pIE;
1326 u8 epigram_vendor_flag;
1327 u8 ralink_vendor_flag;
1328
1329 epigram_vendor_flag = 0;
1330 ralink_vendor_flag = 0;
1331
1332 for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
1333 pIE = (struct ndis_802_11_var_ie *)(pframe + i);
1334
1335 switch (pIE->ElementID) {
1336 case _VENDOR_SPECIFIC_IE_:
1337 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
1338 (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1339 DBG_88E("link to Artheros AP\n");
1340 return HT_IOT_PEER_ATHEROS;
1341 } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1342 (!memcmp(pIE->data, BROADCOM_OUI2, 3))) {
1343 DBG_88E("link to Broadcom AP\n");
1344 return HT_IOT_PEER_BROADCOM;
1345 } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1346 DBG_88E("link to Marvell AP\n");
1347 return HT_IOT_PEER_MARVELL;
1348 } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1349 if (!ralink_vendor_flag) {
1350 ralink_vendor_flag = 1;
1351 } else {
1352 DBG_88E("link to Ralink AP\n");
1353 return HT_IOT_PEER_RALINK;
1354 }
1355 } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1356 DBG_88E("link to Cisco AP\n");
1357 return HT_IOT_PEER_CISCO;
1358 } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1359 DBG_88E("link to Realtek 96B\n");
1360 return HT_IOT_PEER_REALTEK;
1361 } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1362 DBG_88E("link to Airgo Cap\n");
1363 return HT_IOT_PEER_AIRGO;
1364 } else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) {
1365 epigram_vendor_flag = 1;
1366 if (ralink_vendor_flag) {
1367 DBG_88E("link to Tenda W311R AP\n");
1368 return HT_IOT_PEER_TENDA;
1369 } else {
1370 DBG_88E("Capture EPIGRAM_OUI\n");
1371 }
1372 } else {
1373 break;
1374 }
1375
1376 default:
1377 break;
1378 }
1379 i += (pIE->Length + 2);
1380 }
1381
1382 if (ralink_vendor_flag && !epigram_vendor_flag) {
1383 DBG_88E("link to Ralink AP\n");
1384 return HT_IOT_PEER_RALINK;
1385 } else if (ralink_vendor_flag && epigram_vendor_flag) {
1386 DBG_88E("link to Tenda W311R AP\n");
1387 return HT_IOT_PEER_TENDA;
1388 } else {
1389 DBG_88E("link to new AP\n");
1390 return HT_IOT_PEER_UNKNOWN;
1391 }
1392}
1393
1394void update_IOT_info(struct adapter *padapter)
1395{
1396 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1397 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1398
1399 switch (pmlmeinfo->assoc_AP_vendor) {
1400 case HT_IOT_PEER_MARVELL:
1401 pmlmeinfo->turboMode_cts2self = 1;
1402 pmlmeinfo->turboMode_rtsen = 0;
1403 break;
1404 case HT_IOT_PEER_RALINK:
1405 pmlmeinfo->turboMode_cts2self = 0;
1406 pmlmeinfo->turboMode_rtsen = 1;
1407
1408 Switch_DM_Func(padapter, (u32)(~DYNAMIC_BB_DYNAMIC_TXPWR),
1409 false);
1410 break;
1411 case HT_IOT_PEER_REALTEK:
1412
1413
1414
1415 Switch_DM_Func(padapter, (u32)(~DYNAMIC_BB_DYNAMIC_TXPWR),
1416 false);
1417 break;
1418 default:
1419 pmlmeinfo->turboMode_cts2self = 0;
1420 pmlmeinfo->turboMode_rtsen = 1;
1421 break;
1422 }
1423}
1424
1425void update_capinfo(struct adapter *Adapter, u16 updateCap)
1426{
1427 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1428 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1429 bool ShortPreamble;
1430
1431
1432
1433
1434 if (updateCap & cShortPreamble) {
1435 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) {
1436 ShortPreamble = true;
1437 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1438 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1439 }
1440 } else {
1441 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) {
1442 ShortPreamble = false;
1443 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1444 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1445 }
1446 }
1447
1448 if (updateCap & cIBSS) {
1449
1450 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1451 } else {
1452 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
1453 if (updateCap & cShortSlotTime) {
1454 if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
1455 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1456 } else {
1457 if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
1458 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1459 }
1460 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
1461 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1462 } else {
1463
1464 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1465 }
1466 }
1467
1468 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1469}
1470
1471void update_wireless_mode(struct adapter *padapter)
1472{
1473 int ratelen, network_type = 0;
1474 u32 SIFS_Timer;
1475 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1476 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1477 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1478 unsigned char *rate = cur_network->SupportedRates;
1479
1480 ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1481
1482 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1483 pmlmeinfo->HT_enable = 1;
1484
1485 if (pmlmeext->cur_channel > 14) {
1486 if (pmlmeinfo->HT_enable)
1487 network_type = WIRELESS_11_5N;
1488
1489 network_type |= WIRELESS_11A;
1490 } else {
1491 if (pmlmeinfo->HT_enable)
1492 network_type = WIRELESS_11_24N;
1493
1494 if ((cckratesonly_included(rate, ratelen)) == true)
1495 network_type |= WIRELESS_11B;
1496 else if ((cckrates_included(rate, ratelen)) == true)
1497 network_type |= WIRELESS_11BG;
1498 else
1499 network_type |= WIRELESS_11G;
1500 }
1501
1502 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1503
1504 SIFS_Timer = 0x0a0a0808;
1505
1506
1507 rtw_hal_set_hwreg(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
1508
1509 if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1510 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1511 else
1512 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1513}
1514
1515void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
1516{
1517 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1518 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1519
1520 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
1521
1522 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
1523 } else {
1524 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
1525 }
1526}
1527
1528int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1529{
1530 unsigned int ie_len;
1531 struct ndis_802_11_var_ie *pIE;
1532 int supportRateNum = 0;
1533 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1534 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1535
1536 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1537 if (!pIE)
1538 return _FAIL;
1539 if (ie_len > NDIS_802_11_LENGTH_RATES_EX)
1540 return _FAIL;
1541
1542 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1543 supportRateNum = ie_len;
1544
1545 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1546 if (pIE) {
1547 if (supportRateNum + ie_len > NDIS_802_11_LENGTH_RATES_EX)
1548 return _FAIL;
1549 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1550 }
1551
1552 return _SUCCESS;
1553}
1554
1555void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1556{
1557 struct sta_info *psta;
1558 u16 tid;
1559 u16 param;
1560 struct recv_reorder_ctrl *preorder_ctrl;
1561 struct sta_priv *pstapriv = &padapter->stapriv;
1562 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1563 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1564 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1565
1566 psta = rtw_get_stainfo(pstapriv, addr);
1567
1568 if (psta) {
1569 param = le16_to_cpu(preq->BA_para_set);
1570 tid = (param>>2)&0x0f;
1571 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1572 preorder_ctrl->indicate_seq = 0xffff;
1573 preorder_ctrl->enable = (pmlmeinfo->accept_addba_req) ? true
1574 : false;
1575 }
1576}
1577
1578void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1579{
1580 u8 *pIE;
1581 __le32 *pbuf;
1582
1583 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1584 pbuf = (__le32 *)pIE;
1585
1586 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1587
1588 pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1589
1590 pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1591}
1592
1593void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1594{
1595 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1596}
1597
1598void beacon_timing_control(struct adapter *padapter)
1599{
1600 rtw_hal_bcn_related_reg_setting(padapter);
1601}
1602
