1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2007 - 2012 Realtek Corporation. */
3
4 #define _RTW_WLAN_UTIL_C_
5
6 #include "../include/osdep_service.h"
7 #include "../include/drv_types.h"
8 #include "../include/wifi.h"
9
10 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
11 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
12
13 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
14 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
15
16 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
17 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
18 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
19 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
20 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
21 static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
22
23 unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
24
25 #define R2T_PHY_DELAY (0)
26
27 /* define WAIT_FOR_BCN_TO_M (3000) */
28 #define WAIT_FOR_BCN_TO_MIN (6000)
29 #define WAIT_FOR_BCN_TO_MAX (20000)
30
31 static u8 rtw_basic_rate_cck[4] = {
32 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
33 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
34 };
35
36 static u8 rtw_basic_rate_ofdm[3] = {
37 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
38 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
39 };
40
41 static u8 rtw_basic_rate_mix[7] = {
42 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
43 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK,
44 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
45 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
46 };
47
cckrates_included(unsigned char * rate,int ratelen)48 bool cckrates_included(unsigned char *rate, int ratelen)
49 {
50 int i;
51
52 for (i = 0; i < ratelen; i++) {
53 if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
54 (((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
55 return true;
56 }
57 return false;
58 }
59
cckratesonly_included(unsigned char * rate,int ratelen)60 bool cckratesonly_included(unsigned char *rate, int ratelen)
61 {
62 int i;
63
64 for (i = 0; i < ratelen; i++) {
65 if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
66 (((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
67 return false;
68 }
69
70 return true;
71 }
72
networktype_to_raid(unsigned char network_type)73 unsigned char networktype_to_raid(unsigned char network_type)
74 {
75 unsigned char raid;
76
77 switch (network_type) {
78 case WIRELESS_11B:
79 raid = RATR_INX_WIRELESS_B;
80 break;
81 case WIRELESS_11G:
82 raid = RATR_INX_WIRELESS_G;
83 break;
84 case WIRELESS_11BG:
85 raid = RATR_INX_WIRELESS_GB;
86 break;
87 case WIRELESS_11_24N:
88 raid = RATR_INX_WIRELESS_N;
89 break;
90 case WIRELESS_11G_24N:
91 raid = RATR_INX_WIRELESS_NG;
92 break;
93 case WIRELESS_11BG_24N:
94 raid = RATR_INX_WIRELESS_NGB;
95 break;
96 default:
97 raid = RATR_INX_WIRELESS_GB;
98 break;
99 }
100 return raid;
101 }
102
judge_network_type(struct adapter * padapter,unsigned char * rate,int ratelen)103 u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
104 {
105 u8 network_type = 0;
106 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
107 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
108
109 if (pmlmeext->cur_channel > 14) {
110 network_type |= WIRELESS_INVALID;
111 } else {
112 if (pmlmeinfo->HT_enable)
113 network_type = WIRELESS_11_24N;
114
115 if (cckratesonly_included(rate, ratelen))
116 network_type |= WIRELESS_11B;
117 else if (cckrates_included(rate, ratelen))
118 network_type |= WIRELESS_11BG;
119 else
120 network_type |= WIRELESS_11G;
121 }
122 return network_type;
123 }
124
ratetbl_val_2wifirate(unsigned char rate)125 static unsigned char ratetbl_val_2wifirate(unsigned char rate)
126 {
127 unsigned char val = 0;
128
129 switch (rate & 0x7f) {
130 case 0:
131 val = IEEE80211_CCK_RATE_1MB;
132 break;
133 case 1:
134 val = IEEE80211_CCK_RATE_2MB;
135 break;
136 case 2:
137 val = IEEE80211_CCK_RATE_5MB;
138 break;
139 case 3:
140 val = IEEE80211_CCK_RATE_11MB;
141 break;
142 case 4:
143 val = IEEE80211_OFDM_RATE_6MB;
144 break;
145 case 5:
146 val = IEEE80211_OFDM_RATE_9MB;
147 break;
148 case 6:
149 val = IEEE80211_OFDM_RATE_12MB;
150 break;
151 case 7:
152 val = IEEE80211_OFDM_RATE_18MB;
153 break;
154 case 8:
155 val = IEEE80211_OFDM_RATE_24MB;
156 break;
157 case 9:
158 val = IEEE80211_OFDM_RATE_36MB;
159 break;
160 case 10:
161 val = IEEE80211_OFDM_RATE_48MB;
162 break;
163 case 11:
164 val = IEEE80211_OFDM_RATE_54MB;
165 break;
166 }
167 return val;
168 }
169
is_basicrate(struct adapter * padapter,unsigned char rate)170 static bool is_basicrate(struct adapter *padapter, unsigned char rate)
171 {
172 int i;
173 unsigned char val;
174 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
175
176 for (i = 0; i < NumRates; i++) {
177 val = pmlmeext->basicrate[i];
178
179 if ((val != 0xff) && (val != 0xfe)) {
180 if (rate == ratetbl_val_2wifirate(val))
181 return true;
182 }
183 }
184 return false;
185 }
186
ratetbl2rateset(struct adapter * padapter,unsigned char * rateset)187 static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
188 {
189 int i;
190 unsigned char rate;
191 unsigned int len = 0;
192 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
193
194 for (i = 0; i < NumRates; i++) {
195 rate = pmlmeext->datarate[i];
196
197 switch (rate) {
198 case 0xff:
199 return len;
200 case 0xfe:
201 continue;
202 default:
203 rate = ratetbl_val_2wifirate(rate);
204
205 if (is_basicrate(padapter, rate))
206 rate |= IEEE80211_BASIC_RATE_MASK;
207
208 rateset[len] = rate;
209 len++;
210 break;
211 }
212 }
213 return len;
214 }
215
get_rate_set(struct adapter * padapter,unsigned char * pbssrate,int * bssrate_len)216 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
217 {
218 unsigned char supportedrates[NumRates];
219
220 memset(supportedrates, 0, NumRates);
221 *bssrate_len = ratetbl2rateset(padapter, supportedrates);
222 memcpy(pbssrate, supportedrates, *bssrate_len);
223 }
224
UpdateBrateTbl(struct adapter * Adapter,u8 * mbrate)225 void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
226 {
227 u8 i;
228 u8 rate;
229
230 /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
231 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
232 rate = mbrate[i] & 0x7f;
233 switch (rate) {
234 case IEEE80211_CCK_RATE_1MB:
235 case IEEE80211_CCK_RATE_2MB:
236 case IEEE80211_CCK_RATE_5MB:
237 case IEEE80211_CCK_RATE_11MB:
238 case IEEE80211_OFDM_RATE_6MB:
239 case IEEE80211_OFDM_RATE_12MB:
240 case IEEE80211_OFDM_RATE_24MB:
241 mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
242 break;
243 }
244 }
245 }
246
UpdateBrateTblForSoftAP(u8 * bssrateset,u32 bssratelen)247 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
248 {
249 u8 i;
250 u8 rate;
251
252 for (i = 0; i < bssratelen; i++) {
253 rate = bssrateset[i] & 0x7f;
254 switch (rate) {
255 case IEEE80211_CCK_RATE_1MB:
256 case IEEE80211_CCK_RATE_2MB:
257 case IEEE80211_CCK_RATE_5MB:
258 case IEEE80211_CCK_RATE_11MB:
259 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
260 break;
261 }
262 }
263 }
264
Save_DM_Func_Flag(struct adapter * padapter)265 void Save_DM_Func_Flag(struct adapter *padapter)
266 {
267 u8 saveflag = true;
268
269 SetHwReg8188EU(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
270 }
271
Restore_DM_Func_Flag(struct adapter * padapter)272 void Restore_DM_Func_Flag(struct adapter *padapter)
273 {
274 u8 saveflag = false;
275
276 SetHwReg8188EU(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
277 }
278
Set_MSR(struct adapter * padapter,u8 type)279 void Set_MSR(struct adapter *padapter, u8 type)
280 {
281 u8 val8;
282 int res;
283
284 res = rtw_read8(padapter, MSR, &val8);
285 if (res)
286 return;
287
288 val8 &= 0x0c;
289 val8 |= type;
290 rtw_write8(padapter, MSR, val8);
291 }
292
rtw_get_oper_ch(struct adapter * adapter)293 inline u8 rtw_get_oper_ch(struct adapter *adapter)
294 {
295 return adapter->mlmeextpriv.oper_channel;
296 }
297
rtw_set_oper_ch(struct adapter * adapter,u8 ch)298 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
299 {
300 adapter->mlmeextpriv.oper_channel = ch;
301 }
302
rtw_set_oper_bw(struct adapter * adapter,u8 bw)303 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
304 {
305 adapter->mlmeextpriv.oper_bwmode = bw;
306 }
307
rtw_set_oper_choffset(struct adapter * adapter,u8 offset)308 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
309 {
310 adapter->mlmeextpriv.oper_ch_offset = offset;
311 }
312
SelectChannel(struct adapter * padapter,unsigned char channel)313 void SelectChannel(struct adapter *padapter, unsigned char channel)
314 {
315 /* saved channel info */
316 rtw_set_oper_ch(padapter, channel);
317 PHY_SwChnl8188E(padapter, channel);
318 }
319
SetBWMode(struct adapter * padapter,unsigned short bwmode,unsigned char channel_offset)320 void SetBWMode(struct adapter *padapter, unsigned short bwmode,
321 unsigned char channel_offset)
322 {
323 /* saved bw info */
324 rtw_set_oper_bw(padapter, bwmode);
325 rtw_set_oper_choffset(padapter, channel_offset);
326
327 PHY_SetBWMode8188E(padapter, (enum ht_channel_width)bwmode, channel_offset);
328 }
329
set_channel_bwmode(struct adapter * padapter,unsigned char channel,unsigned char channel_offset,unsigned short bwmode)330 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
331 {
332 u8 center_ch;
333
334 if ((bwmode == HT_CHANNEL_WIDTH_20) ||
335 (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
336 /* SelectChannel(padapter, channel); */
337 center_ch = channel;
338 } else {
339 /* switch to the proper channel */
340 if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
341 /* SelectChannel(padapter, channel + 2); */
342 center_ch = channel + 2;
343 } else {
344 /* SelectChannel(padapter, channel - 2); */
345 center_ch = channel - 2;
346 }
347 }
348
349 /* set Channel */
350 /* saved channel/bw info */
351 rtw_set_oper_ch(padapter, channel);
352 rtw_set_oper_bw(padapter, bwmode);
353 rtw_set_oper_choffset(padapter, channel_offset);
354
355 PHY_SwChnl8188E(padapter, center_ch); /* set center channel */
356 SetBWMode(padapter, bwmode, channel_offset);
357 }
358
get_my_bssid(struct wlan_bssid_ex * pnetwork)359 __inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
360 {
361 return pnetwork->MacAddress;
362 }
363
get_beacon_interval(struct wlan_bssid_ex * bss)364 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
365 {
366 __le16 val;
367 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
368
369 return le16_to_cpu(val);
370 }
371
is_client_associated_to_ap(struct adapter * padapter)372 int is_client_associated_to_ap(struct adapter *padapter)
373 {
374 struct mlme_ext_priv *pmlmeext;
375 struct mlme_ext_info *pmlmeinfo;
376
377 if (!padapter)
378 return _FAIL;
379
380 pmlmeext = &padapter->mlmeextpriv;
381 pmlmeinfo = &pmlmeext->mlmext_info;
382
383 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE))
384 return true;
385 else
386 return _FAIL;
387 }
388
is_client_associated_to_ibss(struct adapter * padapter)389 int is_client_associated_to_ibss(struct adapter *padapter)
390 {
391 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
392 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
393
394 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE))
395 return true;
396 else
397 return _FAIL;
398 }
399
is_IBSS_empty(struct adapter * padapter)400 int is_IBSS_empty(struct adapter *padapter)
401 {
402 unsigned int i;
403 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
404 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
405
406 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
407 if (pmlmeinfo->FW_sta_info[i].status == 1)
408 return _FAIL;
409 }
410 return true;
411 }
412
decide_wait_for_beacon_timeout(unsigned int bcn_interval)413 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
414 {
415 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
416 return WAIT_FOR_BCN_TO_MIN;
417 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
418 return WAIT_FOR_BCN_TO_MAX;
419 else
420 return bcn_interval << 2;
421 }
422
invalidate_cam_all(struct adapter * padapter)423 void invalidate_cam_all(struct adapter *padapter)
424 {
425 rtw_write32(padapter, RWCAM, BIT(31) | BIT(30));
426 }
427
write_cam(struct adapter * padapter,u8 entry,u16 ctrl,u8 * mac,u8 * key)428 void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
429 {
430 unsigned int i, val, addr;
431 int j;
432 u32 cam_val[2];
433
434 addr = entry << 3;
435
436 for (j = 5; j >= 0; j--) {
437 switch (j) {
438 case 0:
439 val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
440 break;
441 case 1:
442 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
443 break;
444 default:
445 i = (j - 2) << 2;
446 val = (key[i] | (key[i + 1] << 8) | (key[i + 2] << 16) | (key[i + 3] << 24));
447 break;
448 }
449
450 cam_val[0] = val;
451 cam_val[1] = addr + (unsigned int)j;
452
453 rtw_write32(padapter, WCAMI, cam_val[0]);
454 rtw_write32(padapter, RWCAM, CAM_POLLINIG | CAM_WRITE | cam_val[1]);
455 }
456 }
457
clear_cam_entry(struct adapter * padapter,u8 entry)458 void clear_cam_entry(struct adapter *padapter, u8 entry)
459 {
460 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
461 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
462 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
463
464 write_cam(padapter, entry, 0, null_sta, null_key);
465 }
466
allocate_fw_sta_entry(struct adapter * padapter)467 int allocate_fw_sta_entry(struct adapter *padapter)
468 {
469 unsigned int mac_id;
470 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
471 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
472
473 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
474 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
475 pmlmeinfo->FW_sta_info[mac_id].status = 1;
476 pmlmeinfo->FW_sta_info[mac_id].retry = 0;
477 break;
478 }
479 }
480
481 return mac_id;
482 }
483
flush_all_cam_entry(struct adapter * padapter)484 void flush_all_cam_entry(struct adapter *padapter)
485 {
486 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
487 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
488
489 rtw_write32(padapter, RWCAM, BIT(31) | BIT(30));
490
491 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
492 }
493
WMM_param_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)494 int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
495 {
496 /* struct registry_priv *pregpriv = &padapter->registrypriv; */
497 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
498 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
499 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
500
501 if (pmlmepriv->qospriv.qos_option == 0) {
502 pmlmeinfo->WMM_enable = 0;
503 return _FAIL;
504 }
505
506 pmlmeinfo->WMM_enable = 1;
507 memcpy(&pmlmeinfo->WMM_param, pIE->data + 6, sizeof(struct WMM_para_element));
508 return true;
509 }
510
set_acm_ctrl(struct adapter * adapter,u8 acm_mask)511 static void set_acm_ctrl(struct adapter *adapter, u8 acm_mask)
512 {
513 u8 acmctrl;
514 int res = rtw_read8(adapter, REG_ACMHWCTRL, &acmctrl);
515
516 if (res)
517 return;
518
519 if (acm_mask > 1)
520 acmctrl = acmctrl | 0x1;
521
522 if (acm_mask & BIT(3))
523 acmctrl |= ACMHW_VOQEN;
524 else
525 acmctrl &= (~ACMHW_VOQEN);
526
527 if (acm_mask & BIT(2))
528 acmctrl |= ACMHW_VIQEN;
529 else
530 acmctrl &= (~ACMHW_VIQEN);
531
532 if (acm_mask & BIT(1))
533 acmctrl |= ACMHW_BEQEN;
534 else
535 acmctrl &= (~ACMHW_BEQEN);
536
537 rtw_write8(adapter, REG_ACMHWCTRL, acmctrl);
538 }
539
WMMOnAssocRsp(struct adapter * padapter)540 void WMMOnAssocRsp(struct adapter *padapter)
541 {
542 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
543 u8 acm_mask;
544 u16 TXOP;
545 u32 acParm, i;
546 u32 edca[4], inx[4];
547 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
548 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
549 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
550 struct registry_priv *pregpriv = &padapter->registrypriv;
551 struct hal_data_8188e *haldata = &padapter->haldata;
552
553 if (pmlmeinfo->WMM_enable == 0) {
554 padapter->mlmepriv.acm_mask = 0;
555 return;
556 }
557
558 acm_mask = 0;
559
560 if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
561 aSifsTime = 10;
562 else
563 aSifsTime = 16;
564
565 for (i = 0; i < 4; i++) {
566 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
567 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
568
569 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
570 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
571
572 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
573 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
574 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
575
576 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
577
578 switch (ACI) {
579 case 0x0:
580 haldata->AcParam_BE = acParm;
581 rtw_write32(padapter, REG_EDCA_BE_PARAM, acParm);
582 acm_mask |= (ACM ? BIT(1) : 0);
583 edca[XMIT_BE_QUEUE] = acParm;
584 break;
585 case 0x1:
586 rtw_write32(padapter, REG_EDCA_BK_PARAM, acParm);
587 edca[XMIT_BK_QUEUE] = acParm;
588 break;
589 case 0x2:
590 rtw_write32(padapter, REG_EDCA_VI_PARAM, acParm);
591 acm_mask |= (ACM ? BIT(2) : 0);
592 edca[XMIT_VI_QUEUE] = acParm;
593 break;
594 case 0x3:
595 rtw_write32(padapter, REG_EDCA_VO_PARAM, acParm);
596 acm_mask |= (ACM ? BIT(3) : 0);
597 edca[XMIT_VO_QUEUE] = acParm;
598 break;
599 }
600 }
601
602 if (padapter->registrypriv.acm_method == 1)
603 set_acm_ctrl(padapter, acm_mask);
604 else
605 padapter->mlmepriv.acm_mask = acm_mask;
606
607 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
608
609 if (pregpriv->wifi_spec == 1) {
610 u32 j, change_inx = false;
611
612 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
613 for (i = 0; i < 4; i++) {
614 for (j = i + 1; j < 4; j++) {
615 /* compare CW and AIFS */
616 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
617 change_inx = true;
618 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
619 /* compare TXOP */
620 if ((edca[j] >> 16) > (edca[i] >> 16))
621 change_inx = true;
622 }
623
624 if (change_inx) {
625 swap(edca[i], edca[j]);
626 swap(inx[i], inx[j]);
627
628 change_inx = false;
629 }
630 }
631 }
632 }
633
634 for (i = 0; i < 4; i++)
635 pxmitpriv->wmm_para_seq[i] = inx[i];
636 }
637
bwmode_update_check(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)638 static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
639 {
640 unsigned char new_bwmode;
641 unsigned char new_ch_offset;
642 struct HT_info_element *pHT_info;
643 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
644 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
645 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
646 struct registry_priv *pregistrypriv = &padapter->registrypriv;
647 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
648
649 if (!pIE)
650 return;
651
652 if (!phtpriv)
653 return;
654
655 if (pIE->Length > sizeof(struct HT_info_element))
656 return;
657
658 pHT_info = (struct HT_info_element *)pIE->data;
659
660 if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
661 new_bwmode = HT_CHANNEL_WIDTH_40;
662
663 switch (pHT_info->infos[0] & 0x3) {
664 case 1:
665 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
666 break;
667 case 3:
668 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
669 break;
670 default:
671 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
672 break;
673 }
674 } else {
675 new_bwmode = HT_CHANNEL_WIDTH_20;
676 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
677 }
678
679 if ((new_bwmode != pmlmeext->cur_bwmode) ||
680 (new_ch_offset != pmlmeext->cur_ch_offset)) {
681 pmlmeinfo->bwmode_updated = true;
682
683 pmlmeext->cur_bwmode = new_bwmode;
684 pmlmeext->cur_ch_offset = new_ch_offset;
685
686 /* update HT info also */
687 HT_info_handler(padapter, pIE);
688 } else {
689 pmlmeinfo->bwmode_updated = false;
690 }
691
692 if (pmlmeinfo->bwmode_updated) {
693 struct sta_info *psta;
694 struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
695 struct sta_priv *pstapriv = &padapter->stapriv;
696
697 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
698
699 /* update ap's stainfo */
700 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
701 if (psta) {
702 struct ht_priv *phtpriv_sta = &psta->htpriv;
703
704 if (phtpriv_sta->ht_option) {
705 /* bwmode */
706 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
707 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
708 } else {
709 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
710 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
711 }
712 }
713 }
714 }
715
HT_caps_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)716 void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
717 {
718 unsigned int i;
719 u8 max_AMPDU_len, min_MPDU_spacing;
720 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
721 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
722 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
723 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
724
725 if (!pIE)
726 return;
727
728 if (!phtpriv->ht_option)
729 return;
730
731 pmlmeinfo->HT_caps_enable = 1;
732
733 for (i = 0; i < (pIE->Length); i++) {
734 if (i != 2) {
735 /* Got the endian issue here. */
736 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
737 } else {
738 /* modify from fw by Thomas 2010/11/17 */
739 max_AMPDU_len = min(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3,
740 pIE->data[i] & 0x3);
741
742 min_MPDU_spacing = max(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c,
743 pIE->data[i] & 0x1c);
744
745 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
746 }
747 }
748
749 /* update the MCS rates */
750 for (i = 0; i < 16; i++)
751 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
752 }
753
HT_info_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)754 void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
755 {
756 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
757 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
758 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
759 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
760
761 if (!pIE)
762 return;
763
764 if (!phtpriv->ht_option)
765 return;
766
767 if (pIE->Length > sizeof(struct HT_info_element))
768 return;
769
770 pmlmeinfo->HT_info_enable = 1;
771 memcpy(&pmlmeinfo->HT_info, pIE->data, pIE->Length);
772 }
773
set_min_ampdu_spacing(struct adapter * adapter,u8 spacing)774 static void set_min_ampdu_spacing(struct adapter *adapter, u8 spacing)
775 {
776 u8 sec_spacing;
777 int res;
778
779 if (spacing <= 7) {
780 switch (adapter->securitypriv.dot11PrivacyAlgrthm) {
781 case _NO_PRIVACY_:
782 case _AES_:
783 sec_spacing = 0;
784 break;
785 case _WEP40_:
786 case _WEP104_:
787 case _TKIP_:
788 case _TKIP_WTMIC_:
789 sec_spacing = 6;
790 break;
791 default:
792 sec_spacing = 7;
793 break;
794 }
795
796 if (spacing < sec_spacing)
797 spacing = sec_spacing;
798
799 res = rtw_read8(adapter, REG_AMPDU_MIN_SPACE, &sec_spacing);
800 if (res)
801 return;
802
803 rtw_write8(adapter, REG_AMPDU_MIN_SPACE,
804 (sec_spacing & 0xf8) | spacing);
805 }
806 }
807
HTOnAssocRsp(struct adapter * padapter)808 void HTOnAssocRsp(struct adapter *padapter)
809 {
810 unsigned char max_AMPDU_len;
811 unsigned char min_MPDU_spacing;
812 /* struct registry_priv *pregpriv = &padapter->registrypriv; */
813 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
814 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
815
816 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
817 pmlmeinfo->HT_enable = 1;
818 } else {
819 pmlmeinfo->HT_enable = 0;
820 return;
821 }
822
823 /* handle A-MPDU parameter field */
824 /*
825 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
826 AMPDU_para [4:2]:Min MPDU Start Spacing
827 */
828 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
829
830 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
831
832 set_min_ampdu_spacing(padapter, min_MPDU_spacing);
833
834 SetHwReg8188EU(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
835 }
836
ERP_IE_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)837 void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
838 {
839 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
840 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
841
842 if (pIE->Length > 1)
843 return;
844
845 pmlmeinfo->ERP_enable = 1;
846 memcpy(&pmlmeinfo->ERP_IE, pIE->data, pIE->Length);
847 }
848
VCS_update(struct adapter * padapter,struct sta_info * psta)849 void VCS_update(struct adapter *padapter, struct sta_info *psta)
850 {
851 struct registry_priv *pregpriv = &padapter->registrypriv;
852 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
853 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
854
855 switch (pregpriv->vrtl_carrier_sense) { /* 0:off 1:on 2:auto */
856 case 0: /* off */
857 psta->rtsen = 0;
858 psta->cts2self = 0;
859 break;
860 case 1: /* on */
861 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
862 psta->rtsen = 1;
863 psta->cts2self = 0;
864 } else {
865 psta->rtsen = 0;
866 psta->cts2self = 1;
867 }
868 break;
869 case 2: /* auto */
870 default:
871 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
872 if (pregpriv->vcs_type == 1) {
873 psta->rtsen = 1;
874 psta->cts2self = 0;
875 } else {
876 psta->rtsen = 0;
877 psta->cts2self = 1;
878 }
879 } else {
880 psta->rtsen = 0;
881 psta->cts2self = 0;
882 }
883 break;
884 }
885 }
886
rtw_check_bcn_info(struct adapter * Adapter,u8 * pframe,u32 packet_len)887 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
888 {
889 unsigned int len;
890 unsigned char *p;
891 unsigned short val16, subtype;
892 struct wlan_network *cur_network = &Adapter->mlmepriv.cur_network;
893 /* u8 wpa_ie[255], rsn_ie[255]; */
894 u16 wpa_len = 0, rsn_len = 0;
895 u8 encryp_protocol = 0;
896 struct wlan_bssid_ex *bssid;
897 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
898 unsigned char *pbuf;
899 u32 wpa_ielen = 0;
900 u8 *pbssid = GetAddr3Ptr(pframe);
901 u32 hidden_ssid = 0;
902 struct HT_info_element *pht_info = NULL;
903 struct ieee80211_ht_cap *pht_cap = NULL;
904 u32 bcn_channel;
905 unsigned short ht_cap_info;
906 unsigned char ht_info_infos_0;
907
908 if (!is_client_associated_to_ap(Adapter))
909 return true;
910
911 len = packet_len - sizeof(struct ieee80211_hdr_3addr);
912
913 if (len > MAX_IE_SZ)
914 return _FAIL;
915
916 if (memcmp(cur_network->network.MacAddress, pbssid, 6))
917 return true;
918
919 bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
920 if (!bssid)
921 return _FAIL;
922
923 subtype = GetFrameSubType(pframe) >> 4;
924
925 if (subtype == WIFI_BEACON)
926 bssid->Reserved[0] = 1;
927
928 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
929
930 /* below is to copy the information element */
931 bssid->IELength = len;
932 memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
933
934 /* check bw and channel offset */
935 /* parsing HT_CAP_IE */
936 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
937 if (p && len > 0) {
938 pht_cap = (struct ieee80211_ht_cap *)(p + 2);
939 ht_cap_info = le16_to_cpu(pht_cap->cap_info);
940 } else {
941 ht_cap_info = 0;
942 }
943 /* parsing HT_INFO_IE */
944 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
945 if (p && len > 0) {
946 pht_info = (struct HT_info_element *)(p + 2);
947 ht_info_infos_0 = pht_info->infos[0];
948 } else {
949 ht_info_infos_0 = 0;
950 }
951 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
952 ((ht_info_infos_0 & 0x03) != (cur_network->BcnInfo.ht_info_infos_0 & 0x03))) {
953 /* bcn_info_update */
954 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
955 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
956 /* to do : need to check that whether modify related register of BB or not */
957 /* goto _mismatch; */
958 }
959
960 /* Checking for channel */
961 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
962 if (p) {
963 bcn_channel = *(p + 2);
964 } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
965 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
966 if (pht_info)
967 bcn_channel = pht_info->primary_channel;
968 else /* we don't find channel IE, so don't check it */
969 bcn_channel = Adapter->mlmeextpriv.cur_channel;
970 }
971 if (bcn_channel != Adapter->mlmeextpriv.cur_channel)
972 goto _mismatch;
973
974 /* checking SSID */
975 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
976 if (!p)
977 hidden_ssid = true;
978 else
979 hidden_ssid = false;
980
981 if (p && (!hidden_ssid && (*(p + 1)))) {
982 memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
983 bssid->Ssid.SsidLength = *(p + 1);
984 } else {
985 bssid->Ssid.SsidLength = 0;
986 bssid->Ssid.Ssid[0] = '\0';
987 }
988
989 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
990 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
991 /* not hidden ssid */
992 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0)
993 goto _mismatch;
994 }
995
996 /* check encryption info */
997 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
998
999 if (val16 & BIT(4))
1000 bssid->Privacy = 1;
1001 else
1002 bssid->Privacy = 0;
1003
1004 if (cur_network->network.Privacy != bssid->Privacy)
1005 goto _mismatch;
1006
1007 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1008
1009 if (rsn_len > 0) {
1010 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1011 } else if (wpa_len > 0) {
1012 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1013 } else {
1014 if (bssid->Privacy)
1015 encryp_protocol = ENCRYP_PROTOCOL_WEP;
1016 }
1017
1018 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol)
1019 goto _mismatch;
1020
1021 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1022 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength - 12);
1023 if (pbuf && (wpa_ielen > 0)) {
1024 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher, &pairwise_cipher, &is_8021x);
1025 } else {
1026 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength - 12);
1027
1028 if (pbuf && (wpa_ielen > 0))
1029 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher, &pairwise_cipher, &is_8021x);
1030 }
1031
1032 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher ||
1033 group_cipher != cur_network->BcnInfo.group_cipher)
1034 goto _mismatch;
1035
1036 if (is_8021x != cur_network->BcnInfo.is_8021x)
1037 goto _mismatch;
1038 }
1039
1040 kfree(bssid);
1041
1042 return _SUCCESS;
1043
1044 _mismatch:
1045 kfree(bssid);
1046
1047 return _FAIL;
1048 }
1049
update_beacon_info(struct adapter * padapter,u8 * pframe,uint pkt_len,struct sta_info * psta)1050 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1051 {
1052 unsigned int i;
1053 unsigned int len;
1054 struct ndis_802_11_var_ie *pIE;
1055
1056 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1057
1058 for (i = 0; i < len;) {
1059 pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1060
1061 switch (pIE->ElementID) {
1062 case _HT_EXTRA_INFO_IE_: /* HT info */
1063 /* HT_info_handler(padapter, pIE); */
1064 bwmode_update_check(padapter, pIE);
1065 break;
1066 case _ERPINFO_IE_:
1067 ERP_IE_handler(padapter, pIE);
1068 VCS_update(padapter, psta);
1069 break;
1070 default:
1071 break;
1072 }
1073
1074 i += (pIE->Length + 2);
1075 }
1076 }
1077
is_ap_in_tkip(struct adapter * padapter)1078 bool is_ap_in_tkip(struct adapter *padapter)
1079 {
1080 u32 i;
1081 struct ndis_802_11_var_ie *pIE;
1082 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1083 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1084 struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
1085
1086 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1087 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1088 pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1089
1090 switch (pIE->ElementID) {
1091 case _VENDOR_SPECIFIC_IE_:
1092 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1093 return true;
1094 break;
1095 case _RSN_IE_2_:
1096 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1097 return true;
1098 break;
1099 default:
1100 break;
1101 }
1102
1103 i += (pIE->Length + 2);
1104 }
1105 return false;
1106 } else {
1107 return false;
1108 }
1109 }
1110
wifirate2_ratetbl_inx(unsigned char rate)1111 int wifirate2_ratetbl_inx(unsigned char rate)
1112 {
1113 int inx = 0;
1114 rate = rate & 0x7f;
1115
1116 switch (rate) {
1117 case 54 * 2:
1118 inx = 11;
1119 break;
1120 case 48 * 2:
1121 inx = 10;
1122 break;
1123 case 36 * 2:
1124 inx = 9;
1125 break;
1126 case 24 * 2:
1127 inx = 8;
1128 break;
1129 case 18 * 2:
1130 inx = 7;
1131 break;
1132 case 12 * 2:
1133 inx = 6;
1134 break;
1135 case 9 * 2:
1136 inx = 5;
1137 break;
1138 case 6 * 2:
1139 inx = 4;
1140 break;
1141 case 11 * 2:
1142 inx = 3;
1143 break;
1144 case 11:
1145 inx = 2;
1146 break;
1147 case 2 * 2:
1148 inx = 1;
1149 break;
1150 case 1 * 2:
1151 inx = 0;
1152 break;
1153 }
1154 return inx;
1155 }
1156
update_basic_rate(unsigned char * ptn,unsigned int ptn_sz)1157 unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
1158 {
1159 unsigned int i, num_of_rate;
1160 unsigned int mask = 0;
1161
1162 num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1163
1164 for (i = 0; i < num_of_rate; i++) {
1165 if ((*(ptn + i)) & 0x80)
1166 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1167 }
1168 return mask;
1169 }
1170
update_supported_rate(unsigned char * ptn,unsigned int ptn_sz)1171 unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
1172 {
1173 unsigned int i, num_of_rate;
1174 unsigned int mask = 0;
1175
1176 num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1177
1178 for (i = 0; i < num_of_rate; i++)
1179 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1180 return mask;
1181 }
1182
update_MSC_rate(struct HT_caps_element * pHT_caps)1183 unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
1184 {
1185 unsigned int mask = 0;
1186
1187 mask = ((pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20));
1188
1189 return mask;
1190 }
1191
support_short_GI(struct adapter * padapter,struct HT_caps_element * pHT_caps)1192 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
1193 {
1194 unsigned char bit_offset;
1195 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1196 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1197
1198 if (!(pmlmeinfo->HT_enable))
1199 return _FAIL;
1200
1201 if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
1202 return _FAIL;
1203
1204 bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
1205
1206 if (__le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1207 return _SUCCESS;
1208 else
1209 return _FAIL;
1210 }
1211
get_highest_rate_idx(u32 mask)1212 unsigned char get_highest_rate_idx(u32 mask)
1213 {
1214 int i;
1215 unsigned char rate_idx = 0;
1216
1217 for (i = 27; i >= 0; i--) {
1218 if (mask & BIT(i)) {
1219 rate_idx = i;
1220 break;
1221 }
1222 }
1223 return rate_idx;
1224 }
1225
Update_RA_Entry(struct adapter * padapter,u32 mac_id)1226 void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
1227 {
1228 rtw_hal_update_ra_mask(padapter, mac_id, 0);
1229 }
1230
enable_rate_adaptive(struct adapter * padapter,u32 mac_id)1231 static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
1232 {
1233 Update_RA_Entry(padapter, mac_id);
1234 }
1235
set_sta_rate(struct adapter * padapter,struct sta_info * psta)1236 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1237 {
1238 /* rate adaptive */
1239 enable_rate_adaptive(padapter, psta->mac_id);
1240 }
1241
1242 /* Update RRSR and Rate for USERATE */
update_tx_basic_rate(struct adapter * padapter,u8 wirelessmode)1243 void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
1244 {
1245 unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
1246 struct wifidirect_info *pwdinfo = &padapter->wdinfo;
1247
1248 /* Added by Albert 2011/03/22 */
1249 /* In the P2P mode, the driver should not support the b mode. */
1250 /* So, the Tx packet shouldn't use the CCK rate */
1251 if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
1252 return;
1253 memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
1254
1255 if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
1256 memcpy(supported_rates, rtw_basic_rate_cck, 4);
1257 else if (wirelessmode & WIRELESS_11B)
1258 memcpy(supported_rates, rtw_basic_rate_mix, 7);
1259 else
1260 memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
1261
1262 if (wirelessmode & WIRELESS_11B)
1263 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1264 else
1265 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1266
1267 SetHwReg8188EU(padapter, HW_VAR_BASIC_RATE, supported_rates);
1268 }
1269
check_assoc_AP(u8 * pframe,uint len)1270 unsigned char check_assoc_AP(u8 *pframe, uint len)
1271 {
1272 unsigned int i;
1273 struct ndis_802_11_var_ie *pIE;
1274 u8 epigram_vendor_flag;
1275 u8 ralink_vendor_flag;
1276 epigram_vendor_flag = 0;
1277 ralink_vendor_flag = 0;
1278
1279 for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
1280 pIE = (struct ndis_802_11_var_ie *)(pframe + i);
1281
1282 switch (pIE->ElementID) {
1283 case _VENDOR_SPECIFIC_IE_:
1284 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
1285 (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1286 return HT_IOT_PEER_ATHEROS;
1287 } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1288 (!memcmp(pIE->data, BROADCOM_OUI2, 3))) {
1289 return HT_IOT_PEER_BROADCOM;
1290 } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1291 return HT_IOT_PEER_MARVELL;
1292 } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1293 if (!ralink_vendor_flag) {
1294 ralink_vendor_flag = 1;
1295 } else {
1296 return HT_IOT_PEER_RALINK;
1297 }
1298 } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1299 return HT_IOT_PEER_CISCO;
1300 } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1301 return HT_IOT_PEER_REALTEK;
1302 } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1303 return HT_IOT_PEER_AIRGO;
1304 } else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) {
1305 epigram_vendor_flag = 1;
1306 if (ralink_vendor_flag)
1307 return HT_IOT_PEER_TENDA;
1308 } else {
1309 break;
1310 }
1311 break;
1312
1313 default:
1314 break;
1315 }
1316 i += (pIE->Length + 2);
1317 }
1318
1319 if (ralink_vendor_flag && !epigram_vendor_flag)
1320 return HT_IOT_PEER_RALINK;
1321 else if (ralink_vendor_flag && epigram_vendor_flag)
1322 return HT_IOT_PEER_TENDA;
1323 else
1324 return HT_IOT_PEER_UNKNOWN;
1325 }
1326
update_IOT_info(struct adapter * padapter)1327 void update_IOT_info(struct adapter *padapter)
1328 {
1329 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1330 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1331
1332 switch (pmlmeinfo->assoc_AP_vendor) {
1333 case HT_IOT_PEER_MARVELL:
1334 pmlmeinfo->turboMode_cts2self = 1;
1335 pmlmeinfo->turboMode_rtsen = 0;
1336 break;
1337 case HT_IOT_PEER_RALINK:
1338 pmlmeinfo->turboMode_cts2self = 0;
1339 pmlmeinfo->turboMode_rtsen = 1;
1340 break;
1341 case HT_IOT_PEER_REALTEK:
1342 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1343 /* rtw_write16(padapter, 0x546, 0x01c0); */
1344 break;
1345 default:
1346 pmlmeinfo->turboMode_cts2self = 0;
1347 pmlmeinfo->turboMode_rtsen = 1;
1348 break;
1349 }
1350 }
1351
set_ack_preamble(struct adapter * adapter,bool short_preamble)1352 static void set_ack_preamble(struct adapter *adapter, bool short_preamble)
1353 {
1354 struct hal_data_8188e *haldata = &adapter->haldata;
1355 u8 val8;
1356
1357 /* Joseph marked out for Netgear 3500 TKIP channel 7 issue.(Temporarily) */
1358 val8 = haldata->nCur40MhzPrimeSC << 5;
1359 if (short_preamble)
1360 val8 |= 0x80;
1361
1362 rtw_write8(adapter, REG_RRSR + 2, val8);
1363 };
1364
update_capinfo(struct adapter * Adapter,u16 updateCap)1365 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1366 {
1367 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1368 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1369
1370 /* Check preamble mode, 2005.01.06, by rcnjko. */
1371 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */
1372
1373 if (updateCap & cShortPreamble) { /* Short Preamble */
1374 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */
1375 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1376 set_ack_preamble(Adapter, true);
1377 }
1378 } else { /* Long Preamble */
1379 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */
1380 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1381 set_ack_preamble(Adapter, false);
1382 }
1383 }
1384
1385 if (updateCap & cIBSS) {
1386 /* Filen: See 802.11-2007 p.91 */
1387 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1388 } else { /* Filen: See 802.11-2007 p.90 */
1389 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
1390 if (updateCap & cShortSlotTime) { /* Short Slot Time */
1391 if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
1392 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1393 } else { /* Long Slot Time */
1394 if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
1395 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1396 }
1397 } else {
1398 /* B Mode */
1399 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1400 }
1401 }
1402
1403 SetHwReg8188EU(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1404 }
1405
update_wireless_mode(struct adapter * padapter)1406 void update_wireless_mode(struct adapter *padapter)
1407 {
1408 int ratelen, network_type = 0;
1409 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1410 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1411 struct wlan_bssid_ex *cur_network = &pmlmeinfo->network;
1412 unsigned char *rate = cur_network->SupportedRates;
1413
1414 ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1415
1416 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1417 pmlmeinfo->HT_enable = 1;
1418
1419 if (pmlmeext->cur_channel > 14) {
1420 network_type |= WIRELESS_INVALID;
1421 } else {
1422 if (pmlmeinfo->HT_enable)
1423 network_type = WIRELESS_11_24N;
1424
1425 if (cckratesonly_included(rate, ratelen))
1426 network_type |= WIRELESS_11B;
1427 else if (cckrates_included(rate, ratelen))
1428 network_type |= WIRELESS_11BG;
1429 else
1430 network_type |= WIRELESS_11G;
1431 }
1432
1433 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1434
1435 /* RESP_SIFS for CCK */
1436 rtw_write8(padapter, REG_R2T_SIFS, 0x08);
1437 rtw_write8(padapter, REG_R2T_SIFS + 1, 0x08);
1438 /* RESP_SIFS for OFDM */
1439 rtw_write8(padapter, REG_T2T_SIFS, 0x0a);
1440 rtw_write8(padapter, REG_T2T_SIFS + 1, 0x0a);
1441
1442 if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1443 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1444 else
1445 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1446 }
1447
update_bmc_sta_support_rate(struct adapter * padapter,u32 mac_id)1448 void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
1449 {
1450 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1451 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1452
1453 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
1454 /* Only B, B/G, and B/G/N AP could use CCK rate */
1455 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
1456 } else {
1457 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
1458 }
1459 }
1460
update_sta_support_rate(struct adapter * padapter,u8 * pvar_ie,uint var_ie_len,int cam_idx)1461 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1462 {
1463 unsigned int ie_len;
1464 struct ndis_802_11_var_ie *pIE;
1465 int supportRateNum = 0;
1466 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1467 struct mlme_ext_info *pmlmeinfo = &pmlmeext->mlmext_info;
1468
1469 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1470 if (!pIE)
1471 return _FAIL;
1472
1473 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1474 supportRateNum = ie_len;
1475
1476 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1477 if (pIE)
1478 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1479
1480 return _SUCCESS;
1481 }
1482
update_TSF(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1483 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1484 {
1485 u8 *pIE;
1486 __le32 *pbuf;
1487
1488 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1489 pbuf = (__le32 *)pIE;
1490
1491 pmlmeext->TSFValue = le32_to_cpu(*(pbuf + 1));
1492
1493 pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1494
1495 pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1496 }
1497
correct_TSF(struct adapter * padapter,struct mlme_ext_priv * pmlmeext)1498 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1499 {
1500 SetHwReg8188EU(padapter, HW_VAR_CORRECT_TSF, NULL);
1501 }
1502
beacon_timing_control(struct adapter * padapter)1503 void beacon_timing_control(struct adapter *padapter)
1504 {
1505 SetBeaconRelatedRegisters8188EUsb(padapter);
1506 }
1507
1508 static struct adapter *pbuddy_padapter;
1509
rtw_handle_dualmac(struct adapter * adapter,bool init)1510 int rtw_handle_dualmac(struct adapter *adapter, bool init)
1511 {
1512 int status = _SUCCESS;
1513
1514 if (init) {
1515 if (!pbuddy_padapter) {
1516 pbuddy_padapter = adapter;
1517 } else {
1518 adapter->pbuddy_adapter = pbuddy_padapter;
1519 pbuddy_padapter->pbuddy_adapter = adapter;
1520 /* clear global value */
1521 pbuddy_padapter = NULL;
1522 }
1523 } else {
1524 pbuddy_padapter = NULL;
1525 }
1526 return status;
1527 }
1528