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6
7#define _RTW_WLAN_UTIL_C_
8
9#include <linux/ieee80211.h>
10
11#include <osdep_service.h>
12#include <drv_types.h>
13#include <wifi.h>
14
15static const u8 ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
16static const u8 ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
17
18static const u8 BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
19static const u8 BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
20
21static const u8 CISCO_OUI[] = {0x00, 0x40, 0x96};
22static const u8 MARVELL_OUI[] = {0x00, 0x50, 0x43};
23static const u8 RALINK_OUI[] = {0x00, 0x0c, 0x43};
24static const u8 REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
25static const u8 AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
26static const u8 EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
27
28u8 REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
29
30#define WAIT_FOR_BCN_TO_MIN (6000)
31#define WAIT_FOR_BCN_TO_MAX (20000)
32
33static const u8 rtw_basic_rate_cck[4] = {
34 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
35 IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
36 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
37 IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
38};
39
40static const u8 rtw_basic_rate_ofdm[3] = {
41 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK,
42 IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
43 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
44};
45
46static const u8 rtw_basic_rate_mix[7] = {
47 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
48 IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
49 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
50 IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK,
51 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK,
52 IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
53 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
54};
55
56unsigned char networktype_to_raid(unsigned char network_type)
57{
58 switch (network_type) {
59 case WIRELESS_11B:
60 return RATR_INX_WIRELESS_B;
61 case WIRELESS_11A:
62 case WIRELESS_11G:
63 return RATR_INX_WIRELESS_G;
64 case WIRELESS_11BG:
65 return RATR_INX_WIRELESS_GB;
66 case WIRELESS_11_24N:
67 case WIRELESS_11_5N:
68 return RATR_INX_WIRELESS_N;
69 case WIRELESS_11A_5N:
70 case WIRELESS_11G_24N:
71 return RATR_INX_WIRELESS_NG;
72 case WIRELESS_11BG_24N:
73 return RATR_INX_WIRELESS_NGB;
74 default:
75 return RATR_INX_WIRELESS_GB;
76 }
77}
78
79u8 judge_network_type(struct adapter *padapter, unsigned char *rate)
80{
81 u8 network_type = 0;
82 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
83 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
84
85 if (pmlmeinfo->HT_enable)
86 network_type = WIRELESS_11_24N;
87
88 if (rtw_is_cckratesonly_included(rate))
89 network_type |= WIRELESS_11B;
90 else if (rtw_is_cckrates_included(rate))
91 network_type |= WIRELESS_11BG;
92 else
93 network_type |= WIRELESS_11G;
94
95 return network_type;
96}
97
98static unsigned char ratetbl_val_2wifirate(unsigned char rate)
99{
100 switch (rate & 0x7f) {
101 case 0:
102 return IEEE80211_CCK_RATE_1MB;
103 case 1:
104 return IEEE80211_CCK_RATE_2MB;
105 case 2:
106 return IEEE80211_CCK_RATE_5MB;
107 case 3:
108 return IEEE80211_CCK_RATE_11MB;
109 case 4:
110 return IEEE80211_OFDM_RATE_6MB;
111 case 5:
112 return IEEE80211_OFDM_RATE_9MB;
113 case 6:
114 return IEEE80211_OFDM_RATE_12MB;
115 case 7:
116 return IEEE80211_OFDM_RATE_18MB;
117 case 8:
118 return IEEE80211_OFDM_RATE_24MB;
119 case 9:
120 return IEEE80211_OFDM_RATE_36MB;
121 case 10:
122 return IEEE80211_OFDM_RATE_48MB;
123 case 11:
124 return IEEE80211_OFDM_RATE_54MB;
125 default:
126 return 0;
127 }
128}
129
130static bool is_basicrate(struct adapter *padapter, unsigned char rate)
131{
132 int i;
133 unsigned char val;
134 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
135
136 for (i = 0; i < NumRates; i++) {
137 val = pmlmeext->basicrate[i];
138
139 if ((val != 0xff) && (val != 0xfe)) {
140 if (rate == ratetbl_val_2wifirate(val))
141 return true;
142 }
143 }
144 return false;
145}
146
147static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
148{
149 int i;
150 unsigned char rate;
151 unsigned int len = 0;
152 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
153
154 for (i = 0; i < NumRates; i++) {
155 rate = pmlmeext->datarate[i];
156
157 switch (rate) {
158 case 0xff:
159 return len;
160 case 0xfe:
161 continue;
162 default:
163 rate = ratetbl_val_2wifirate(rate);
164
165 if (is_basicrate(padapter, rate))
166 rate |= IEEE80211_BASIC_RATE_MASK;
167
168 rateset[len] = rate;
169 len++;
170 break;
171 }
172 }
173 return len;
174}
175
176void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
177{
178 unsigned char supportedrates[NumRates];
179
180 memset(supportedrates, 0, NumRates);
181 *bssrate_len = ratetbl2rateset(padapter, supportedrates);
182 memcpy(pbssrate, supportedrates, *bssrate_len);
183}
184
185void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
186{
187 u8 i;
188 u8 rate;
189
190
191 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
192 rate = mbrate[i] & 0x7f;
193 switch (rate) {
194 case IEEE80211_CCK_RATE_1MB:
195 case IEEE80211_CCK_RATE_2MB:
196 case IEEE80211_CCK_RATE_5MB:
197 case IEEE80211_CCK_RATE_11MB:
198 case IEEE80211_OFDM_RATE_6MB:
199 case IEEE80211_OFDM_RATE_12MB:
200 case IEEE80211_OFDM_RATE_24MB:
201 mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
202 break;
203 }
204 }
205}
206
207void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
208{
209 u8 i;
210 u8 rate;
211
212 for (i = 0; i < bssratelen; i++) {
213 rate = bssrateset[i] & 0x7f;
214 switch (rate) {
215 case IEEE80211_CCK_RATE_1MB:
216 case IEEE80211_CCK_RATE_2MB:
217 case IEEE80211_CCK_RATE_5MB:
218 case IEEE80211_CCK_RATE_11MB:
219 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
220 break;
221 }
222 }
223}
224
225void Save_DM_Func_Flag(struct adapter *padapter)
226{
227 u8 saveflag = true;
228
229 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
230}
231
232void Restore_DM_Func_Flag(struct adapter *padapter)
233{
234 u8 saveflag = false;
235
236 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
237}
238
239void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
240{
241 if (enable)
242 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
243 else
244 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
245}
246
247void Set_MSR(struct adapter *padapter, u8 type)
248{
249 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
250}
251
252inline u8 rtw_get_oper_ch(struct adapter *adapter)
253{
254 return adapter->mlmeextpriv.oper_channel;
255}
256
257inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
258{
259 adapter->mlmeextpriv.oper_channel = ch;
260}
261
262inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
263{
264 adapter->mlmeextpriv.oper_bwmode = bw;
265}
266
267inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
268{
269 adapter->mlmeextpriv.oper_ch_offset = offset;
270}
271
272void SelectChannel(struct adapter *padapter, unsigned char channel)
273{
274
275 rtw_set_oper_ch(padapter, channel);
276 rtw_hal_set_chan(padapter, channel);
277}
278
279void SetBWMode(struct adapter *padapter, unsigned short bwmode,
280 unsigned char channel_offset)
281{
282
283 rtw_set_oper_bw(padapter, bwmode);
284 rtw_set_oper_choffset(padapter, channel_offset);
285
286 rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
287}
288
289void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
290{
291 u8 center_ch;
292
293 if ((bwmode == HT_CHANNEL_WIDTH_20) ||
294 (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
295
296 center_ch = channel;
297 } else {
298
299 if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
300
301 center_ch = channel + 2;
302 } else {
303
304 center_ch = channel - 2;
305 }
306 }
307
308
309
310 rtw_set_oper_ch(padapter, channel);
311 rtw_set_oper_bw(padapter, bwmode);
312 rtw_set_oper_choffset(padapter, channel_offset);
313
314 rtw_hal_set_chan(padapter, center_ch);
315 SetBWMode(padapter, bwmode, channel_offset);
316}
317
318u16 get_beacon_interval(struct wlan_bssid_ex *bss)
319{
320 __le16 val;
321
322 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->ies), 2);
323
324 return le16_to_cpu(val);
325}
326
327int is_client_associated_to_ap(struct adapter *padapter)
328{
329 struct mlme_ext_priv *pmlmeext;
330 struct mlme_ext_info *pmlmeinfo;
331
332 if (!padapter)
333 return _FAIL;
334
335 pmlmeext = &padapter->mlmeextpriv;
336 pmlmeinfo = &pmlmeext->mlmext_info;
337
338 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) &&
339 (pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE)
340 return true;
341 else
342 return _FAIL;
343}
344
345int is_client_associated_to_ibss(struct adapter *padapter)
346{
347 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
348 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
349
350 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) &&
351 (pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE)
352 return true;
353 else
354 return _FAIL;
355}
356
357int is_IBSS_empty(struct adapter *padapter)
358{
359 unsigned int i;
360 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
361 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
362
363 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
364 if (pmlmeinfo->FW_sta_info[i].status == 1)
365 return _FAIL;
366 }
367 return true;
368}
369
370unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
371{
372 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
373 return WAIT_FOR_BCN_TO_MIN;
374 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
375 return WAIT_FOR_BCN_TO_MAX;
376 else
377 return bcn_interval << 2;
378}
379
380void invalidate_cam_all(struct adapter *padapter)
381{
382 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
383}
384
385void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
386{
387 unsigned int i, val, addr;
388 int j;
389 u32 cam_val[2];
390
391 addr = entry << 3;
392
393 for (j = 5; j >= 0; j--) {
394 switch (j) {
395 case 0:
396 val = ctrl | (mac[0] << 16) | (mac[1] << 24);
397 break;
398 case 1:
399 val = mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24);
400 break;
401 default:
402 i = (j - 2) << 2;
403 val = key[i] | (key[i + 1] << 8) | (key[i + 2] << 16) |
404 (key[i + 3] << 24);
405 break;
406 }
407
408 cam_val[0] = val;
409 cam_val[1] = addr + (unsigned int)j;
410
411 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
412 }
413}
414
415void clear_cam_entry(struct adapter *padapter, u8 entry)
416{
417 u8 null_sta[ETH_ALEN] = {};
418 u8 null_key[16] = {};
419
420 write_cam(padapter, entry, 0, null_sta, null_key);
421}
422
423int allocate_fw_sta_entry(struct adapter *padapter)
424{
425 unsigned int mac_id;
426 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
427 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
428
429 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
430 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
431 pmlmeinfo->FW_sta_info[mac_id].status = 1;
432 pmlmeinfo->FW_sta_info[mac_id].retry = 0;
433 break;
434 }
435 }
436
437 return mac_id;
438}
439
440void flush_all_cam_entry(struct adapter *padapter)
441{
442 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
443 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
444
445 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
446
447 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
448}
449
450int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
451{
452 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
453 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
454 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
455
456 if (pmlmepriv->qospriv.qos_option == 0) {
457 pmlmeinfo->WMM_enable = 0;
458 return _FAIL;
459 }
460
461 pmlmeinfo->WMM_enable = 1;
462 memcpy(&pmlmeinfo->WMM_param, pIE->data + 6, sizeof(struct WMM_para_element));
463 return true;
464}
465
466void WMMOnAssocRsp(struct adapter *padapter)
467{
468 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
469 u8 acm_mask;
470 u16 TXOP;
471 u32 acParm, i;
472 u32 edca[4], inx[4];
473 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
474 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
475 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
476 struct registry_priv *pregpriv = &padapter->registrypriv;
477
478 if (pmlmeinfo->WMM_enable == 0) {
479 padapter->mlmepriv.acm_mask = 0;
480 return;
481 }
482
483 acm_mask = 0;
484
485 if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
486 aSifsTime = 10;
487 else
488 aSifsTime = 16;
489
490 for (i = 0; i < 4; i++) {
491 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
492 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
493
494
495 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
496
497 ECWMin = pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f;
498 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
499 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
500
501 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
502
503 switch (ACI) {
504 case 0x0:
505 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
506 acm_mask |= (ACM ? BIT(1) : 0);
507 edca[XMIT_BE_QUEUE] = acParm;
508 break;
509 case 0x1:
510 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
511 edca[XMIT_BK_QUEUE] = acParm;
512 break;
513 case 0x2:
514 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
515 acm_mask |= (ACM ? BIT(2) : 0);
516 edca[XMIT_VI_QUEUE] = acParm;
517 break;
518 case 0x3:
519 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
520 acm_mask |= (ACM ? BIT(3) : 0);
521 edca[XMIT_VO_QUEUE] = acParm;
522 break;
523 }
524 }
525
526 if (padapter->registrypriv.acm_method == 1)
527 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
528 else
529 padapter->mlmepriv.acm_mask = acm_mask;
530
531 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
532
533 if (pregpriv->wifi_spec == 1) {
534 u32 j, change_inx = false;
535
536
537 for (i = 0; i < 4; i++) {
538 for (j = i + 1; j < 4; j++) {
539
540 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
541 change_inx = true;
542 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
543
544 if ((edca[j] >> 16) > (edca[i] >> 16))
545 change_inx = true;
546 }
547
548 if (change_inx) {
549 swap(edca[i], edca[j]);
550 swap(inx[i], inx[j]);
551 change_inx = false;
552 }
553 }
554 }
555 }
556
557 for (i = 0; i < 4; i++)
558 pxmitpriv->wmm_para_seq[i] = inx[i];
559}
560
561static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
562{
563 unsigned char new_bwmode;
564 unsigned char new_ch_offset;
565 struct HT_info_element *pHT_info;
566 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
567 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
568 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
569 struct registry_priv *pregistrypriv = &padapter->registrypriv;
570 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
571
572 if (!pIE)
573 return;
574
575 if (!phtpriv)
576 return;
577
578 if (pIE->Length > sizeof(struct HT_info_element))
579 return;
580
581 pHT_info = (struct HT_info_element *)pIE->data;
582
583 if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
584 new_bwmode = HT_CHANNEL_WIDTH_40;
585
586 switch (pHT_info->infos[0] & 0x3) {
587 case 1:
588 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
589 break;
590 case 3:
591 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
592 break;
593 default:
594 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
595 break;
596 }
597 } else {
598 new_bwmode = HT_CHANNEL_WIDTH_20;
599 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
600 }
601
602 if ((new_bwmode != pmlmeext->cur_bwmode) ||
603 (new_ch_offset != pmlmeext->cur_ch_offset)) {
604 pmlmeinfo->bwmode_updated = true;
605
606 pmlmeext->cur_bwmode = new_bwmode;
607 pmlmeext->cur_ch_offset = new_ch_offset;
608
609
610 HT_info_handler(padapter, pIE);
611 } else {
612 pmlmeinfo->bwmode_updated = false;
613 }
614
615 if (pmlmeinfo->bwmode_updated) {
616 struct sta_info *psta;
617 struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
618 struct sta_priv *pstapriv = &padapter->stapriv;
619
620
621 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
622 if (psta) {
623 struct ht_priv *phtpriv_sta = &psta->htpriv;
624
625 if (phtpriv_sta->ht_option) {
626
627 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
628 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
629 } else {
630 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
631 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
632 }
633 }
634 }
635}
636
637void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
638{
639 unsigned int i;
640 u8 max_ampdu_len, min_mpdu_spacing;
641 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
642 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
643 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
644 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
645 u8 *HT_cap = (u8 *)(&pmlmeinfo->HT_caps);
646
647 if (!pIE)
648 return;
649
650 if (!phtpriv->ht_option)
651 return;
652
653 pmlmeinfo->HT_caps_enable = 1;
654
655 for (i = 0; i < (pIE->Length); i++) {
656 if (i != 2) {
657
658 HT_cap[i] &= (pIE->data[i]);
659 } else {
660
661 if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x3) > (pIE->data[i] & 0x3))
662 max_ampdu_len = pIE->data[i] & 0x3;
663 else
664 max_ampdu_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x3;
665
666 if ((pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) > (pIE->data[i] & 0x1c))
667 min_mpdu_spacing = pmlmeinfo->HT_caps.ampdu_params_info & 0x1c;
668 else
669 min_mpdu_spacing = pIE->data[i] & 0x1c;
670
671 pmlmeinfo->HT_caps.ampdu_params_info = max_ampdu_len | min_mpdu_spacing;
672 }
673 }
674
675
676 for (i = 0; i < 16; i++)
677 ((u8 *)&pmlmeinfo->HT_caps.mcs)[i] &= MCS_rate_1R[i];
678}
679
680void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
681{
682 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
683 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
684 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
685 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
686
687 if (!pIE)
688 return;
689
690 if (!phtpriv->ht_option)
691 return;
692
693 if (pIE->Length > sizeof(struct HT_info_element))
694 return;
695
696 pmlmeinfo->HT_info_enable = 1;
697 memcpy(&pmlmeinfo->HT_info, pIE->data, pIE->Length);
698}
699
700void HTOnAssocRsp(struct adapter *padapter)
701{
702 u8 max_ampdu_len;
703 u8 min_mpdu_spacing;
704 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
705 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
706
707 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
708 pmlmeinfo->HT_enable = 1;
709 } else {
710 pmlmeinfo->HT_enable = 0;
711 return;
712 }
713
714
715
716
717
718
719 max_ampdu_len = pmlmeinfo->HT_caps.ampdu_params_info & 0x03;
720 min_mpdu_spacing = (pmlmeinfo->HT_caps.ampdu_params_info & 0x1c) >> 2;
721
722 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, &min_mpdu_spacing);
723 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, &max_ampdu_len);
724}
725
726void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
727{
728 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
729 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
730
731 if (pIE->Length > 1)
732 return;
733
734 pmlmeinfo->ERP_enable = 1;
735 memcpy(&pmlmeinfo->ERP_IE, pIE->data, pIE->Length);
736}
737
738void VCS_update(struct adapter *padapter, struct sta_info *psta)
739{
740 struct registry_priv *pregpriv = &padapter->registrypriv;
741 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
742 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
743
744 switch (pregpriv->vrtl_carrier_sense) {
745 case 0:
746 psta->rtsen = 0;
747 psta->cts2self = 0;
748 break;
749 case 1:
750 if (pregpriv->vcs_type == 1) {
751 psta->rtsen = 1;
752 psta->cts2self = 0;
753 } else {
754 psta->rtsen = 0;
755 psta->cts2self = 1;
756 }
757 break;
758 case 2:
759 default:
760 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
761 if (pregpriv->vcs_type == 1) {
762 psta->rtsen = 1;
763 psta->cts2self = 0;
764 } else {
765 psta->rtsen = 0;
766 psta->cts2self = 1;
767 }
768 } else {
769 psta->rtsen = 0;
770 psta->cts2self = 0;
771 }
772 break;
773 }
774}
775
776int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
777{
778 unsigned int len;
779 unsigned char *p;
780 unsigned short val16, subtype;
781 struct wlan_network *cur_network = &Adapter->mlmepriv.cur_network;
782 u16 wpa_len = 0, rsn_len = 0;
783 u8 encryp_protocol = 0;
784 struct wlan_bssid_ex *bssid;
785 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
786 unsigned char *pbuf;
787 u32 wpa_ielen = 0;
788 u8 *pbssid = GetAddr3Ptr(pframe);
789 struct HT_info_element *pht_info = NULL;
790 u32 bcn_channel;
791 unsigned short ht_cap_info;
792 unsigned char ht_info_infos_0;
793 int ssid_len;
794
795 if (!is_client_associated_to_ap(Adapter))
796 return true;
797
798 len = packet_len - sizeof(struct ieee80211_hdr_3addr);
799
800 if (len > MAX_IE_SZ)
801 return _FAIL;
802
803 if (memcmp(cur_network->network.MacAddress, pbssid, 6))
804 return true;
805
806 bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
807 if (!bssid)
808 return _FAIL;
809
810 subtype = GetFrameSubType(pframe) >> 4;
811
812 if (subtype == IEEE80211_STYPE_BEACON)
813 bssid->Reserved[0] = 1;
814
815 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
816
817
818 bssid->ie_length = len;
819 memcpy(bssid->ies, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->ie_length);
820
821
822
823 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
824 if (p && len > 0) {
825 struct ieee80211_ht_cap *ht_cap =
826 (struct ieee80211_ht_cap *)(p + 2);
827
828 ht_cap_info = le16_to_cpu(ht_cap->cap_info);
829 } else {
830 ht_cap_info = 0;
831 }
832
833 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
834 if (p && len > 0) {
835 pht_info = (struct HT_info_element *)(p + 2);
836 ht_info_infos_0 = pht_info->infos[0];
837 } else {
838 ht_info_infos_0 = 0;
839 }
840 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
841 ((ht_info_infos_0 & 0x03) != (cur_network->BcnInfo.ht_info_infos_0 & 0x03))) {
842
843 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
844 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
845
846
847 }
848
849
850 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
851 if (p) {
852 bcn_channel = *(p + 2);
853 } else {
854 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
855 if (pht_info)
856 bcn_channel = pht_info->primary_channel;
857 else
858 bcn_channel = Adapter->mlmeextpriv.cur_channel;
859 }
860 if (bcn_channel != Adapter->mlmeextpriv.cur_channel)
861 goto _mismatch;
862
863
864 ssid_len = 0;
865 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
866 if (p) {
867 ssid_len = *(p + 1);
868 if (ssid_len > NDIS_802_11_LENGTH_SSID)
869 ssid_len = 0;
870 }
871 memcpy(bssid->ssid.ssid, (p + 2), ssid_len);
872 bssid->ssid.ssid_length = ssid_len;
873
874 if (memcmp(bssid->ssid.ssid, cur_network->network.ssid.ssid, 32) ||
875 bssid->ssid.ssid_length != cur_network->network.ssid.ssid_length) {
876 if (bssid->ssid.ssid[0] != '\0' && bssid->ssid.ssid_length != 0)
877 goto _mismatch;
878 }
879
880
881 val16 = rtw_get_capability(bssid);
882
883 if (val16 & BIT(4))
884 bssid->Privacy = 1;
885 else
886 bssid->Privacy = 0;
887
888 if (cur_network->network.Privacy != bssid->Privacy)
889 goto _mismatch;
890
891 rtw_get_sec_ie(bssid->ies, bssid->ie_length, NULL, &rsn_len, NULL, &wpa_len);
892
893 if (rsn_len > 0) {
894 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
895 } else if (wpa_len > 0) {
896 encryp_protocol = ENCRYP_PROTOCOL_WPA;
897 } else {
898 if (bssid->Privacy)
899 encryp_protocol = ENCRYP_PROTOCOL_WEP;
900 }
901
902 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol)
903 goto _mismatch;
904
905 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
906 pbuf = rtw_get_wpa_ie(&bssid->ies[12], &wpa_ielen,
907 bssid->ie_length - 12);
908 if (pbuf && (wpa_ielen > 0)) {
909 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher,
910 &pairwise_cipher, &is_8021x);
911 } else {
912 pbuf = rtw_get_wpa2_ie(&bssid->ies[12], &wpa_ielen,
913 bssid->ie_length - 12);
914
915 if (pbuf && (wpa_ielen > 0))
916 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher,
917 &pairwise_cipher, &is_8021x);
918 }
919
920 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher)
921 goto _mismatch;
922
923 if (is_8021x != cur_network->BcnInfo.is_8021x)
924 goto _mismatch;
925 }
926
927 kfree(bssid);
928 return _SUCCESS;
929
930_mismatch:
931 kfree(bssid);
932 return _FAIL;
933}
934
935void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
936{
937 unsigned int i;
938 unsigned int len;
939 struct ndis_802_11_var_ie *pIE;
940
941 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
942
943 for (i = 0; i < len;) {
944 pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
945
946 switch (pIE->ElementID) {
947 case WLAN_EID_HT_OPERATION:
948 bwmode_update_check(padapter, pIE);
949 break;
950 case WLAN_EID_ERP_INFO:
951 ERP_IE_handler(padapter, pIE);
952 VCS_update(padapter, psta);
953 break;
954 default:
955 break;
956 }
957
958 i += (pIE->Length + 2);
959 }
960}
961
962unsigned int is_ap_in_tkip(struct adapter *padapter)
963{
964 u32 i;
965 struct ndis_802_11_var_ie *pIE;
966 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
967 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
968 struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
969
970 if (rtw_get_capability(cur_network) & WLAN_CAPABILITY_PRIVACY) {
971 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.ie_length;) {
972 pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.ies + i);
973
974 switch (pIE->ElementID) {
975 case WLAN_EID_VENDOR_SPECIFIC:
976 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
977 return true;
978 break;
979 case WLAN_EID_RSN:
980 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
981 return true;
982 break;
983 default:
984 break;
985 }
986
987 i += (pIE->Length + 2);
988 }
989 return false;
990 } else {
991 return false;
992 }
993}
994
995static int wifirate2_ratetbl_inx(unsigned char rate)
996{
997 rate = rate & 0x7f;
998
999 switch (rate) {
1000 case 108:
1001 return 11;
1002 case 96:
1003 return 10;
1004 case 72:
1005 return 9;
1006 case 48:
1007 return 8;
1008 case 36:
1009 return 7;
1010 case 24:
1011 return 6;
1012 case 18:
1013 return 5;
1014 case 12:
1015 return 4;
1016 case 22:
1017 return 3;
1018 case 11:
1019 return 2;
1020 case 4:
1021 return 1;
1022 case 2:
1023 return 0;
1024 default:
1025 return 0;
1026 }
1027}
1028
1029unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
1030{
1031 unsigned int i, num_of_rate;
1032 unsigned int mask = 0;
1033
1034 num_of_rate = min_t(unsigned int, ptn_sz, NumRates);
1035
1036 for (i = 0; i < num_of_rate; i++) {
1037 if ((*(ptn + i)) & 0x80)
1038 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1039 }
1040 return mask;
1041}
1042
1043unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
1044{
1045 unsigned int i, num_of_rate;
1046 unsigned int mask = 0;
1047
1048 num_of_rate = min_t(unsigned int, ptn_sz, NumRates);
1049
1050 for (i = 0; i < num_of_rate; i++)
1051 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1052 return mask;
1053}
1054
1055unsigned int update_MSC_rate(struct ieee80211_ht_cap *pHT_caps)
1056{
1057 return (pHT_caps->mcs.rx_mask[0] << 12) |
1058 (pHT_caps->mcs.rx_mask[1] << 20);
1059}
1060
1061int support_short_GI(struct adapter *padapter, struct ieee80211_ht_cap *pHT_caps)
1062{
1063 unsigned char bit_offset;
1064 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1065 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1066
1067 if (!(pmlmeinfo->HT_enable))
1068 return _FAIL;
1069
1070 if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
1071 return _FAIL;
1072
1073 bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
1074
1075 if (__le16_to_cpu(pHT_caps->cap_info) & (0x1 << bit_offset))
1076 return _SUCCESS;
1077 else
1078 return _FAIL;
1079}
1080
1081unsigned char get_highest_rate_idx(u32 mask)
1082{
1083 int i;
1084 unsigned char rate_idx = 0;
1085
1086 for (i = 27; i >= 0; i--) {
1087 if (mask & BIT(i)) {
1088 rate_idx = i;
1089 break;
1090 }
1091 }
1092 return rate_idx;
1093}
1094
1095void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
1096{
1097 rtw_hal_update_ra_mask(padapter, mac_id, 0);
1098}
1099
1100void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1101{
1102
1103 Update_RA_Entry(padapter, psta->mac_id);
1104}
1105
1106
1107void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
1108{
1109 unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
1110
1111 memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
1112
1113 if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
1114 memcpy(supported_rates, rtw_basic_rate_cck, 4);
1115 else if (wirelessmode & WIRELESS_11B)
1116 memcpy(supported_rates, rtw_basic_rate_mix, 7);
1117 else
1118 memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
1119
1120 if (wirelessmode & WIRELESS_11B)
1121 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1122 else
1123 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1124
1125 rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
1126}
1127
1128unsigned char check_assoc_AP(u8 *pframe, uint len)
1129{
1130 unsigned int i;
1131 struct ndis_802_11_var_ie *pIE;
1132 u8 epigram_vendor_flag;
1133 u8 ralink_vendor_flag;
1134
1135 epigram_vendor_flag = 0;
1136 ralink_vendor_flag = 0;
1137
1138 for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
1139 pIE = (struct ndis_802_11_var_ie *)(pframe + i);
1140
1141 switch (pIE->ElementID) {
1142 case WLAN_EID_VENDOR_SPECIFIC:
1143 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
1144 (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1145 return HT_IOT_PEER_ATHEROS;
1146 } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1147 (!memcmp(pIE->data, BROADCOM_OUI2, 3))) {
1148 return HT_IOT_PEER_BROADCOM;
1149 } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1150 return HT_IOT_PEER_MARVELL;
1151 } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1152 if (!ralink_vendor_flag)
1153 ralink_vendor_flag = 1;
1154 else
1155 return HT_IOT_PEER_RALINK;
1156 } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1157 return HT_IOT_PEER_CISCO;
1158 } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1159 return HT_IOT_PEER_REALTEK;
1160 } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1161 return HT_IOT_PEER_AIRGO;
1162 } else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) {
1163 epigram_vendor_flag = 1;
1164 if (ralink_vendor_flag)
1165 return HT_IOT_PEER_TENDA;
1166 } else {
1167 break;
1168 }
1169 break;
1170
1171 default:
1172 break;
1173 }
1174 i += (pIE->Length + 2);
1175 }
1176
1177 if (ralink_vendor_flag && !epigram_vendor_flag)
1178 return HT_IOT_PEER_RALINK;
1179 else if (ralink_vendor_flag && epigram_vendor_flag)
1180 return HT_IOT_PEER_TENDA;
1181 return HT_IOT_PEER_UNKNOWN;
1182}
1183
1184void update_IOT_info(struct adapter *padapter)
1185{
1186 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1187 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1188
1189 switch (pmlmeinfo->assoc_AP_vendor) {
1190 case HT_IOT_PEER_MARVELL:
1191 pmlmeinfo->turboMode_cts2self = 1;
1192 pmlmeinfo->turboMode_rtsen = 0;
1193 break;
1194 case HT_IOT_PEER_RALINK:
1195 pmlmeinfo->turboMode_cts2self = 0;
1196 pmlmeinfo->turboMode_rtsen = 1;
1197
1198 Switch_DM_Func(padapter, (u32)(~DYNAMIC_BB_DYNAMIC_TXPWR),
1199 false);
1200 break;
1201 case HT_IOT_PEER_REALTEK:
1202
1203 Switch_DM_Func(padapter, (u32)(~DYNAMIC_BB_DYNAMIC_TXPWR),
1204 false);
1205 break;
1206 default:
1207 pmlmeinfo->turboMode_cts2self = 0;
1208 pmlmeinfo->turboMode_rtsen = 1;
1209 break;
1210 }
1211}
1212
1213void update_capinfo(struct adapter *Adapter, u16 updateCap)
1214{
1215 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1216 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1217 bool ShortPreamble;
1218
1219
1220
1221
1222 if (updateCap & cShortPreamble) {
1223 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) {
1224 ShortPreamble = true;
1225 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1226 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1227 }
1228 } else {
1229 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) {
1230 ShortPreamble = false;
1231 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1232 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1233 }
1234 }
1235
1236 if (updateCap & cIBSS) {
1237
1238 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1239 } else {
1240 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
1241 if (updateCap & cShortSlotTime) {
1242 if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
1243 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1244 } else {
1245 if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
1246 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1247 }
1248 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
1249 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1250 } else {
1251
1252 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1253 }
1254 }
1255
1256 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1257}
1258
1259void update_wireless_mode(struct adapter *padapter)
1260{
1261 int network_type = 0;
1262 u32 SIFS_Timer;
1263 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1264 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1265 struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
1266 unsigned char *rate = cur_network->SupportedRates;
1267
1268 if (pmlmeinfo->HT_info_enable && pmlmeinfo->HT_caps_enable)
1269 pmlmeinfo->HT_enable = 1;
1270
1271 if (pmlmeinfo->HT_enable)
1272 network_type = WIRELESS_11_24N;
1273
1274 if (rtw_is_cckratesonly_included(rate))
1275 network_type |= WIRELESS_11B;
1276 else if (rtw_is_cckrates_included(rate))
1277 network_type |= WIRELESS_11BG;
1278 else
1279 network_type |= WIRELESS_11G;
1280
1281 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1282
1283 SIFS_Timer = 0x0a0a0808;
1284
1285
1286 rtw_hal_set_hwreg(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
1287
1288 update_mgnt_tx_rate(padapter,
1289 pmlmeext->cur_wireless_mode & WIRELESS_11B ?
1290 IEEE80211_CCK_RATE_1MB : IEEE80211_OFDM_RATE_6MB);
1291}
1292
1293void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
1294{
1295 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1296 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1297
1298 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
1299
1300 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
1301 } else {
1302 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
1303 }
1304}
1305
1306int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1307{
1308 unsigned int ie_len;
1309 struct ndis_802_11_var_ie *pIE;
1310 int supportRateNum = 0;
1311 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1312 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1313
1314 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len);
1315 if (!pIE)
1316 return _FAIL;
1317 if (ie_len > NDIS_802_11_LENGTH_RATES_EX)
1318 return _FAIL;
1319
1320 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1321 supportRateNum = ie_len;
1322
1323 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len);
1324 if (pIE) {
1325 if (supportRateNum + ie_len > NDIS_802_11_LENGTH_RATES_EX)
1326 return _FAIL;
1327 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1328 }
1329
1330 return _SUCCESS;
1331}
1332
1333void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1334{
1335 struct sta_info *psta;
1336 u16 tid;
1337 u16 param;
1338 struct recv_reorder_ctrl *preorder_ctrl;
1339 struct sta_priv *pstapriv = &padapter->stapriv;
1340 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1341 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1342 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1343
1344 psta = rtw_get_stainfo(pstapriv, addr);
1345
1346 if (psta) {
1347 param = le16_to_cpu(preq->BA_para_set);
1348 tid = (param >> 2) & 0x0f;
1349 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1350 preorder_ctrl->indicate_seq = 0xffff;
1351 preorder_ctrl->enable = pmlmeinfo->accept_addba_req;
1352 }
1353}
1354
1355void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1356{
1357 u8 *pIE;
1358 __le32 *pbuf;
1359
1360 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1361 pbuf = (__le32 *)pIE;
1362
1363 pmlmeext->TSFValue = le32_to_cpu(*(pbuf + 1));
1364
1365 pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1366
1367 pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1368}
1369
1370void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1371{
1372 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1373}
1374
