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Merge branch 'pci/resource' into next
[deliverable/linux.git] / drivers / staging / rtl8188eu / core / rtw_wlan_util.c
1 /******************************************************************************
2 *
3 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 *
19 ******************************************************************************/
20 #define _RTW_WLAN_UTIL_C_
21
22 #include <osdep_service.h>
23 #include <drv_types.h>
24 #include <wifi.h>
25
26 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
27 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
28
29 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
30 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
31
32 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
33 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
34 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
35 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
36 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
37 static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
38
39 unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
40
41 #define R2T_PHY_DELAY (0)
42
43 /* define WAIT_FOR_BCN_TO_M (3000) */
44 #define WAIT_FOR_BCN_TO_MIN (6000)
45 #define WAIT_FOR_BCN_TO_MAX (20000)
46
47 static u8 rtw_basic_rate_cck[4] = {
48 IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
49 IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK
50 };
51
52 static u8 rtw_basic_rate_ofdm[3] = {
53 IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
54 IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
55 };
56
57 static u8 rtw_basic_rate_mix[7] = {
58 IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
59 IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK,
60 IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
61 IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
62 };
63
64 int cckrates_included(unsigned char *rate, int ratelen)
65 {
66 int i;
67
68 for (i = 0; i < ratelen; i++) {
69 if ((((rate[i]) & 0x7f) == 2) || (((rate[i]) & 0x7f) == 4) ||
70 (((rate[i]) & 0x7f) == 11) || (((rate[i]) & 0x7f) == 22))
71 return true;
72 }
73 return false;
74 }
75
76 int cckratesonly_included(unsigned char *rate, int ratelen)
77 {
78 int i;
79
80 for (i = 0; i < ratelen; i++) {
81 if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
82 (((rate[i]) & 0x7f) != 11) && (((rate[i]) & 0x7f) != 22))
83 return false;
84 }
85
86 return true;
87 }
88
89 unsigned char networktype_to_raid(unsigned char network_type)
90 {
91 unsigned char raid;
92
93 switch (network_type) {
94 case WIRELESS_11B:
95 raid = RATR_INX_WIRELESS_B;
96 break;
97 case WIRELESS_11A:
98 case WIRELESS_11G:
99 raid = RATR_INX_WIRELESS_G;
100 break;
101 case WIRELESS_11BG:
102 raid = RATR_INX_WIRELESS_GB;
103 break;
104 case WIRELESS_11_24N:
105 case WIRELESS_11_5N:
106 raid = RATR_INX_WIRELESS_N;
107 break;
108 case WIRELESS_11A_5N:
109 case WIRELESS_11G_24N:
110 raid = RATR_INX_WIRELESS_NG;
111 break;
112 case WIRELESS_11BG_24N:
113 raid = RATR_INX_WIRELESS_NGB;
114 break;
115 default:
116 raid = RATR_INX_WIRELESS_GB;
117 break;
118 }
119 return raid;
120 }
121
122 u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
123 {
124 u8 network_type = 0;
125 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
126 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
127
128 if (pmlmeext->cur_channel > 14) {
129 if (pmlmeinfo->HT_enable)
130 network_type = WIRELESS_11_5N;
131
132 network_type |= WIRELESS_11A;
133 } else {
134 if (pmlmeinfo->HT_enable)
135 network_type = WIRELESS_11_24N;
136
137 if ((cckratesonly_included(rate, ratelen)) == true)
138 network_type |= WIRELESS_11B;
139 else if ((cckrates_included(rate, ratelen)) == true)
140 network_type |= WIRELESS_11BG;
141 else
142 network_type |= WIRELESS_11G;
143 }
144 return network_type;
145 }
146
147 static unsigned char ratetbl_val_2wifirate(unsigned char rate)
148 {
149 unsigned char val = 0;
150
151 switch (rate & 0x7f) {
152 case 0:
153 val = IEEE80211_CCK_RATE_1MB;
154 break;
155 case 1:
156 val = IEEE80211_CCK_RATE_2MB;
157 break;
158 case 2:
159 val = IEEE80211_CCK_RATE_5MB;
160 break;
161 case 3:
162 val = IEEE80211_CCK_RATE_11MB;
163 break;
164 case 4:
165 val = IEEE80211_OFDM_RATE_6MB;
166 break;
167 case 5:
168 val = IEEE80211_OFDM_RATE_9MB;
169 break;
170 case 6:
171 val = IEEE80211_OFDM_RATE_12MB;
172 break;
173 case 7:
174 val = IEEE80211_OFDM_RATE_18MB;
175 break;
176 case 8:
177 val = IEEE80211_OFDM_RATE_24MB;
178 break;
179 case 9:
180 val = IEEE80211_OFDM_RATE_36MB;
181 break;
182 case 10:
183 val = IEEE80211_OFDM_RATE_48MB;
184 break;
185 case 11:
186 val = IEEE80211_OFDM_RATE_54MB;
187 break;
188 }
189 return val;
190 }
191
192 static int is_basicrate(struct adapter *padapter, unsigned char rate)
193 {
194 int i;
195 unsigned char val;
196 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
197
198 for (i = 0; i < NumRates; i++) {
199 val = pmlmeext->basicrate[i];
200
201 if ((val != 0xff) && (val != 0xfe)) {
202 if (rate == ratetbl_val_2wifirate(val))
203 return true;
204 }
205 }
206 return false;
207 }
208
209 static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
210 {
211 int i;
212 unsigned char rate;
213 unsigned int len = 0;
214 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
215
216 for (i = 0; i < NumRates; i++) {
217 rate = pmlmeext->datarate[i];
218
219 switch (rate) {
220 case 0xff:
221 return len;
222 case 0xfe:
223 continue;
224 default:
225 rate = ratetbl_val_2wifirate(rate);
226
227 if (is_basicrate(padapter, rate) == true)
228 rate |= IEEE80211_BASIC_RATE_MASK;
229
230 rateset[len] = rate;
231 len++;
232 break;
233 }
234 }
235 return len;
236 }
237
238 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
239 {
240 unsigned char supportedrates[NumRates];
241
242 _rtw_memset(supportedrates, 0, NumRates);
243 *bssrate_len = ratetbl2rateset(padapter, supportedrates);
244 memcpy(pbssrate, supportedrates, *bssrate_len);
245 }
246
247 void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
248 {
249 u8 i;
250 u8 rate;
251
252 /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
253 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
254 rate = mbrate[i] & 0x7f;
255 switch (rate) {
256 case IEEE80211_CCK_RATE_1MB:
257 case IEEE80211_CCK_RATE_2MB:
258 case IEEE80211_CCK_RATE_5MB:
259 case IEEE80211_CCK_RATE_11MB:
260 case IEEE80211_OFDM_RATE_6MB:
261 case IEEE80211_OFDM_RATE_12MB:
262 case IEEE80211_OFDM_RATE_24MB:
263 mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
264 break;
265 }
266 }
267 }
268
269 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
270 {
271 u8 i;
272 u8 rate;
273
274 for (i = 0; i < bssratelen; i++) {
275 rate = bssrateset[i] & 0x7f;
276 switch (rate) {
277 case IEEE80211_CCK_RATE_1MB:
278 case IEEE80211_CCK_RATE_2MB:
279 case IEEE80211_CCK_RATE_5MB:
280 case IEEE80211_CCK_RATE_11MB:
281 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
282 break;
283 }
284 }
285 }
286
287 void Save_DM_Func_Flag(struct adapter *padapter)
288 {
289 u8 saveflag = true;
290
291 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
292 }
293
294 void Restore_DM_Func_Flag(struct adapter *padapter)
295 {
296 u8 saveflag = false;
297
298 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
299 }
300
301 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
302 {
303 if (enable)
304 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
305 else
306 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
307 }
308
309 static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
310 {
311 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
312 }
313
314 void Set_MSR(struct adapter *padapter, u8 type)
315 {
316 Set_NETYPE0_MSR(padapter, type);
317 }
318
319 inline u8 rtw_get_oper_ch(struct adapter *adapter)
320 {
321 return adapter->mlmeextpriv.oper_channel;
322 }
323
324 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
325 {
326 adapter->mlmeextpriv.oper_channel = ch;
327 }
328
329 inline u8 rtw_get_oper_bw(struct adapter *adapter)
330 {
331 return adapter->mlmeextpriv.oper_bwmode;
332 }
333
334 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
335 {
336 adapter->mlmeextpriv.oper_bwmode = bw;
337 }
338
339 inline u8 rtw_get_oper_choffset(struct adapter *adapter)
340 {
341 return adapter->mlmeextpriv.oper_ch_offset;
342 }
343
344 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
345 {
346 adapter->mlmeextpriv.oper_ch_offset = offset;
347 }
348
349 void SelectChannel(struct adapter *padapter, unsigned char channel)
350 {
351 /* saved channel info */
352 rtw_set_oper_ch(padapter, channel);
353 rtw_hal_set_chan(padapter, channel);
354 }
355
356 void SetBWMode(struct adapter *padapter, unsigned short bwmode,
357 unsigned char channel_offset)
358 {
359 /* saved bw info */
360 rtw_set_oper_bw(padapter, bwmode);
361 rtw_set_oper_choffset(padapter, channel_offset);
362
363 rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
364 }
365
366 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
367 {
368 u8 center_ch;
369
370 if (padapter->bNotifyChannelChange)
371 DBG_88E("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
372
373 if ((bwmode == HT_CHANNEL_WIDTH_20) ||
374 (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
375 /* SelectChannel(padapter, channel); */
376 center_ch = channel;
377 } else {
378 /* switch to the proper channel */
379 if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
380 /* SelectChannel(padapter, channel + 2); */
381 center_ch = channel + 2;
382 } else {
383 /* SelectChannel(padapter, channel - 2); */
384 center_ch = channel - 2;
385 }
386 }
387
388 /* set Channel */
389 /* saved channel/bw info */
390 rtw_set_oper_ch(padapter, channel);
391 rtw_set_oper_bw(padapter, bwmode);
392 rtw_set_oper_choffset(padapter, channel_offset);
393
394 rtw_hal_set_chan(padapter, center_ch); /* set center channel */
395 SetBWMode(padapter, bwmode, channel_offset);
396 }
397
398 int get_bsstype(unsigned short capability)
399 {
400 if (capability & BIT(0))
401 return WIFI_FW_AP_STATE;
402 else if (capability & BIT(1))
403 return WIFI_FW_ADHOC_STATE;
404 else
405 return 0;
406 }
407
408 __inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
409 {
410 return pnetwork->MacAddress;
411 }
412
413 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
414 {
415 __le16 val;
416 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
417
418 return le16_to_cpu(val);
419 }
420
421 int is_client_associated_to_ap(struct adapter *padapter)
422 {
423 struct mlme_ext_priv *pmlmeext;
424 struct mlme_ext_info *pmlmeinfo;
425
426 if (!padapter)
427 return _FAIL;
428
429 pmlmeext = &padapter->mlmeextpriv;
430 pmlmeinfo = &(pmlmeext->mlmext_info);
431
432 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
433 return true;
434 else
435 return _FAIL;
436 }
437
438 int is_client_associated_to_ibss(struct adapter *padapter)
439 {
440 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
441 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
442
443 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
444 return true;
445 else
446 return _FAIL;
447 }
448
449 int is_IBSS_empty(struct adapter *padapter)
450 {
451 unsigned int i;
452 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
453 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
454
455 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
456 if (pmlmeinfo->FW_sta_info[i].status == 1)
457 return _FAIL;
458 }
459 return true;
460 }
461
462 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
463 {
464 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
465 return WAIT_FOR_BCN_TO_MIN;
466 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
467 return WAIT_FOR_BCN_TO_MAX;
468 else
469 return bcn_interval << 2;
470 }
471
472 void CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
473 {
474 rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
475 }
476
477 void invalidate_cam_all(struct adapter *padapter)
478 {
479 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
480 }
481
482 void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
483 {
484 unsigned int i, val, addr;
485 int j;
486 u32 cam_val[2];
487
488 addr = entry << 3;
489
490 for (j = 5; j >= 0; j--) {
491 switch (j) {
492 case 0:
493 val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
494 break;
495 case 1:
496 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
497 break;
498 default:
499 i = (j - 2) << 2;
500 val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
501 break;
502 }
503
504 cam_val[0] = val;
505 cam_val[1] = addr + (unsigned int)j;
506
507 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
508 }
509 }
510
511 void clear_cam_entry(struct adapter *padapter, u8 entry)
512 {
513 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
514 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
515 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
516
517 write_cam(padapter, entry, 0, null_sta, null_key);
518 }
519
520 int allocate_fw_sta_entry(struct adapter *padapter)
521 {
522 unsigned int mac_id;
523 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
524 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
525
526 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
527 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
528 pmlmeinfo->FW_sta_info[mac_id].status = 1;
529 pmlmeinfo->FW_sta_info[mac_id].retry = 0;
530 break;
531 }
532 }
533
534 return mac_id;
535 }
536
537 void flush_all_cam_entry(struct adapter *padapter)
538 {
539 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
540 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
541
542 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
543
544 _rtw_memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
545 }
546
547 int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
548 {
549 /* struct registry_priv *pregpriv = &padapter->registrypriv; */
550 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
551 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
552 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
553
554 if (pmlmepriv->qospriv.qos_option == 0) {
555 pmlmeinfo->WMM_enable = 0;
556 return _FAIL;
557 }
558
559 pmlmeinfo->WMM_enable = 1;
560 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
561 return true;
562 }
563
564 void WMMOnAssocRsp(struct adapter *padapter)
565 {
566 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
567 u8 acm_mask;
568 u16 TXOP;
569 u32 acParm, i;
570 u32 edca[4], inx[4];
571 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
572 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
573 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
574 struct registry_priv *pregpriv = &padapter->registrypriv;
575
576 if (pmlmeinfo->WMM_enable == 0) {
577 padapter->mlmepriv.acm_mask = 0;
578 return;
579 }
580
581 acm_mask = 0;
582
583 if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
584 aSifsTime = 10;
585 else
586 aSifsTime = 16;
587
588 for (i = 0; i < 4; i++) {
589 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
590 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
591
592 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
593 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
594
595 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
596 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
597 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
598
599 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
600
601 switch (ACI) {
602 case 0x0:
603 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
604 acm_mask |= (ACM ? BIT(1) : 0);
605 edca[XMIT_BE_QUEUE] = acParm;
606 break;
607 case 0x1:
608 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
609 edca[XMIT_BK_QUEUE] = acParm;
610 break;
611 case 0x2:
612 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
613 acm_mask |= (ACM ? BIT(2) : 0);
614 edca[XMIT_VI_QUEUE] = acParm;
615 break;
616 case 0x3:
617 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
618 acm_mask |= (ACM ? BIT(3) : 0);
619 edca[XMIT_VO_QUEUE] = acParm;
620 break;
621 }
622
623 DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
624 }
625
626 if (padapter->registrypriv.acm_method == 1)
627 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
628 else
629 padapter->mlmepriv.acm_mask = acm_mask;
630
631 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
632
633 if (pregpriv->wifi_spec == 1) {
634 u32 j, tmp, change_inx = false;
635
636 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
637 for (i = 0; i < 4; i++) {
638 for (j = i+1; j < 4; j++) {
639 /* compare CW and AIFS */
640 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
641 change_inx = true;
642 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
643 /* compare TXOP */
644 if ((edca[j] >> 16) > (edca[i] >> 16))
645 change_inx = true;
646 }
647
648 if (change_inx) {
649 tmp = edca[i];
650 edca[i] = edca[j];
651 edca[j] = tmp;
652
653 tmp = inx[i];
654 inx[i] = inx[j];
655 inx[j] = tmp;
656
657 change_inx = false;
658 }
659 }
660 }
661 }
662
663 for (i = 0; i < 4; i++) {
664 pxmitpriv->wmm_para_seq[i] = inx[i];
665 DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
666 }
667
668 return;
669 }
670
671 static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
672 {
673 unsigned char new_bwmode;
674 unsigned char new_ch_offset;
675 struct HT_info_element *pHT_info;
676 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
677 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
678 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
679 struct registry_priv *pregistrypriv = &padapter->registrypriv;
680 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
681
682 if (!pIE)
683 return;
684
685 if (!phtpriv)
686 return;
687
688 if (pIE->Length > sizeof(struct HT_info_element))
689 return;
690
691 pHT_info = (struct HT_info_element *)pIE->data;
692
693 if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
694 new_bwmode = HT_CHANNEL_WIDTH_40;
695
696 switch (pHT_info->infos[0] & 0x3) {
697 case 1:
698 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
699 break;
700 case 3:
701 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
702 break;
703 default:
704 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
705 break;
706 }
707 } else {
708 new_bwmode = HT_CHANNEL_WIDTH_20;
709 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
710 }
711
712 if ((new_bwmode != pmlmeext->cur_bwmode) ||
713 (new_ch_offset != pmlmeext->cur_ch_offset)) {
714 pmlmeinfo->bwmode_updated = true;
715
716 pmlmeext->cur_bwmode = new_bwmode;
717 pmlmeext->cur_ch_offset = new_ch_offset;
718
719 /* update HT info also */
720 HT_info_handler(padapter, pIE);
721 } else {
722 pmlmeinfo->bwmode_updated = false;
723 }
724
725 if (pmlmeinfo->bwmode_updated) {
726 struct sta_info *psta;
727 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
728 struct sta_priv *pstapriv = &padapter->stapriv;
729
730 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
731
732 /* update ap's stainfo */
733 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
734 if (psta) {
735 struct ht_priv *phtpriv_sta = &psta->htpriv;
736
737 if (phtpriv_sta->ht_option) {
738 /* bwmode */
739 phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
740 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
741 } else {
742 phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
743 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
744 }
745 }
746 }
747 }
748
749 void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
750 {
751 unsigned int i;
752 u8 rf_type;
753 u8 max_AMPDU_len, min_MPDU_spacing;
754 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
755 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
756 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
757 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
758
759 if (pIE == NULL)
760 return;
761
762 if (!phtpriv->ht_option)
763 return;
764
765 pmlmeinfo->HT_caps_enable = 1;
766
767 for (i = 0; i < (pIE->Length); i++) {
768 if (i != 2) {
769 /* Got the endian issue here. */
770 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
771 } else {
772 /* modify from fw by Thomas 2010/11/17 */
773 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
774 max_AMPDU_len = (pIE->data[i] & 0x3);
775 else
776 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
777
778 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
779 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
780 else
781 min_MPDU_spacing = (pIE->data[i] & 0x1c);
782
783 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
784 }
785 }
786
787 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
788
789 /* update the MCS rates */
790 for (i = 0; i < 16; i++) {
791 if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
792 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
793 else
794 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
795 }
796 return;
797 }
798
799 void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
800 {
801 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
802 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
803 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
804 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
805
806 if (pIE == NULL)
807 return;
808
809 if (!phtpriv->ht_option)
810 return;
811
812 if (pIE->Length > sizeof(struct HT_info_element))
813 return;
814
815 pmlmeinfo->HT_info_enable = 1;
816 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
817 return;
818 }
819
820 void HTOnAssocRsp(struct adapter *padapter)
821 {
822 unsigned char max_AMPDU_len;
823 unsigned char min_MPDU_spacing;
824 /* struct registry_priv *pregpriv = &padapter->registrypriv; */
825 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
826 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
827
828 DBG_88E("%s\n", __func__);
829
830 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
831 pmlmeinfo->HT_enable = 1;
832 } else {
833 pmlmeinfo->HT_enable = 0;
834 return;
835 }
836
837 /* handle A-MPDU parameter field */
838 /*
839 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
840 AMPDU_para [4:2]:Min MPDU Start Spacing
841 */
842 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
843
844 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
845
846 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
847
848 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
849 }
850
851 void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
852 {
853 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
854 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
855
856 if (pIE->Length > 1)
857 return;
858
859 pmlmeinfo->ERP_enable = 1;
860 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
861 }
862
863 void VCS_update(struct adapter *padapter, struct sta_info *psta)
864 {
865 struct registry_priv *pregpriv = &padapter->registrypriv;
866 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
867 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
868
869 switch (pregpriv->vrtl_carrier_sense) { /* 0:off 1:on 2:auto */
870 case 0: /* off */
871 psta->rtsen = 0;
872 psta->cts2self = 0;
873 break;
874 case 1: /* on */
875 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
876 psta->rtsen = 1;
877 psta->cts2self = 0;
878 } else {
879 psta->rtsen = 0;
880 psta->cts2self = 1;
881 }
882 break;
883 case 2: /* auto */
884 default:
885 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
886 if (pregpriv->vcs_type == 1) {
887 psta->rtsen = 1;
888 psta->cts2self = 0;
889 } else {
890 psta->rtsen = 0;
891 psta->cts2self = 1;
892 }
893 } else {
894 psta->rtsen = 0;
895 psta->cts2self = 0;
896 }
897 break;
898 }
899 }
900
901 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
902 {
903 unsigned int len;
904 unsigned char *p;
905 unsigned short val16, subtype;
906 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
907 /* u8 wpa_ie[255], rsn_ie[255]; */
908 u16 wpa_len = 0, rsn_len = 0;
909 u8 encryp_protocol = 0;
910 struct wlan_bssid_ex *bssid;
911 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
912 unsigned char *pbuf;
913 u32 wpa_ielen = 0;
914 u8 *pbssid = GetAddr3Ptr(pframe);
915 u32 hidden_ssid = 0;
916 struct HT_info_element *pht_info = NULL;
917 struct rtw_ieee80211_ht_cap *pht_cap = NULL;
918 u32 bcn_channel;
919 unsigned short ht_cap_info;
920 unsigned char ht_info_infos_0;
921
922 if (is_client_associated_to_ap(Adapter) == false)
923 return true;
924
925 len = packet_len - sizeof(struct rtw_ieee80211_hdr_3addr);
926
927 if (len > MAX_IE_SZ) {
928 DBG_88E("%s IE too long for survey event\n", __func__);
929 return _FAIL;
930 }
931
932 if (_rtw_memcmp(cur_network->network.MacAddress, pbssid, 6) == false) {
933 DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
934 (pbssid), (cur_network->network.MacAddress));
935 return true;
936 }
937
938 bssid = (struct wlan_bssid_ex *)rtw_zmalloc(sizeof(struct wlan_bssid_ex));
939
940 subtype = GetFrameSubType(pframe) >> 4;
941
942 if (subtype == WIFI_BEACON)
943 bssid->Reserved[0] = 1;
944
945 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
946
947 /* below is to copy the information element */
948 bssid->IELength = len;
949 memcpy(bssid->IEs, (pframe + sizeof(struct rtw_ieee80211_hdr_3addr)), bssid->IELength);
950
951 /* check bw and channel offset */
952 /* parsing HT_CAP_IE */
953 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
954 if (p && len > 0) {
955 pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2);
956 ht_cap_info = pht_cap->cap_info;
957 } else {
958 ht_cap_info = 0;
959 }
960 /* parsing HT_INFO_IE */
961 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
962 if (p && len > 0) {
963 pht_info = (struct HT_info_element *)(p + 2);
964 ht_info_infos_0 = pht_info->infos[0];
965 } else {
966 ht_info_infos_0 = 0;
967 }
968 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
969 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
970 DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
971 ht_cap_info, ht_info_infos_0);
972 DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
973 cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
974 DBG_88E("%s bw mode change, disconnect\n", __func__);
975 /* bcn_info_update */
976 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
977 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
978 /* to do : need to check that whether modify related register of BB or not */
979 /* goto _mismatch; */
980 }
981
982 /* Checking for channel */
983 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
984 if (p) {
985 bcn_channel = *(p + 2);
986 } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
987 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
988 if (pht_info) {
989 bcn_channel = pht_info->primary_channel;
990 } else { /* we don't find channel IE, so don't check it */
991 DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
992 bcn_channel = Adapter->mlmeextpriv.cur_channel;
993 }
994 }
995 if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
996 DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
997 bcn_channel, Adapter->mlmeextpriv.cur_channel);
998 goto _mismatch;
999 }
1000
1001 /* checking SSID */
1002 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1003 if (p == NULL) {
1004 DBG_88E("%s marc: cannot find SSID for survey event\n", __func__);
1005 hidden_ssid = true;
1006 } else {
1007 hidden_ssid = false;
1008 }
1009
1010 if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) {
1011 memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
1012 bssid->Ssid.SsidLength = *(p + 1);
1013 } else {
1014 bssid->Ssid.SsidLength = 0;
1015 bssid->Ssid.Ssid[0] = '\0';
1016 }
1017
1018 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
1019 "cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
1020 bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
1021 cur_network->network.Ssid.SsidLength));
1022
1023 if (!_rtw_memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
1024 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
1025 if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
1026 DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
1027 goto _mismatch;
1028 }
1029 }
1030
1031 /* check encryption info */
1032 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1033
1034 if (val16 & BIT(4))
1035 bssid->Privacy = 1;
1036 else
1037 bssid->Privacy = 0;
1038
1039 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1040 ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
1041 __func__, cur_network->network.Privacy, bssid->Privacy));
1042 if (cur_network->network.Privacy != bssid->Privacy) {
1043 DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
1044 goto _mismatch;
1045 }
1046
1047 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1048
1049 if (rsn_len > 0) {
1050 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1051 } else if (wpa_len > 0) {
1052 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1053 } else {
1054 if (bssid->Privacy)
1055 encryp_protocol = ENCRYP_PROTOCOL_WEP;
1056 }
1057
1058 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
1059 DBG_88E("%s(): enctyp is not match , return FAIL\n", __func__);
1060 goto _mismatch;
1061 }
1062
1063 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1064 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1065 if (pbuf && (wpa_ielen > 0)) {
1066 if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1067 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1068 ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
1069 pairwise_cipher, group_cipher, is_8021x));
1070 }
1071 } else {
1072 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1073
1074 if (pbuf && (wpa_ielen > 0)) {
1075 if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1076 RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1077 ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
1078 __func__, pairwise_cipher, group_cipher, is_8021x));
1079 }
1080 }
1081 }
1082
1083 RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1084 ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
1085 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1086 DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
1087 pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1088 group_cipher, cur_network->BcnInfo.group_cipher);
1089 goto _mismatch;
1090 }
1091
1092 if (is_8021x != cur_network->BcnInfo.is_8021x) {
1093 DBG_88E("%s authentication is not match , return FAIL\n", __func__);
1094 goto _mismatch;
1095 }
1096 }
1097
1098 kfree(bssid);
1099 _func_exit_;
1100 return _SUCCESS;
1101
1102 _mismatch:
1103 kfree(bssid);
1104 _func_exit_;
1105 return _FAIL;
1106 }
1107
1108 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1109 {
1110 unsigned int i;
1111 unsigned int len;
1112 struct ndis_802_11_var_ie *pIE;
1113
1114 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1115
1116 for (i = 0; i < len;) {
1117 pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1118
1119 switch (pIE->ElementID) {
1120 case _HT_EXTRA_INFO_IE_: /* HT info */
1121 /* HT_info_handler(padapter, pIE); */
1122 bwmode_update_check(padapter, pIE);
1123 break;
1124 case _ERPINFO_IE_:
1125 ERP_IE_handler(padapter, pIE);
1126 VCS_update(padapter, psta);
1127 break;
1128 default:
1129 break;
1130 }
1131
1132 i += (pIE->Length + 2);
1133 }
1134 }
1135
1136 unsigned int is_ap_in_tkip(struct adapter *padapter)
1137 {
1138 u32 i;
1139 struct ndis_802_11_var_ie *pIE;
1140 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1141 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1142 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1143
1144 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1145 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1146 pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1147
1148 switch (pIE->ElementID) {
1149 case _VENDOR_SPECIFIC_IE_:
1150 if ((_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4)) && (_rtw_memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1151 return true;
1152 break;
1153 case _RSN_IE_2_:
1154 if (_rtw_memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1155 return true;
1156 default:
1157 break;
1158 }
1159
1160 i += (pIE->Length + 2);
1161 }
1162 return false;
1163 } else {
1164 return false;
1165 }
1166 }
1167
1168 unsigned int should_forbid_n_rate(struct adapter *padapter)
1169 {
1170 u32 i;
1171 struct ndis_802_11_var_ie *pIE;
1172 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1173 struct wlan_bssid_ex *cur_network = &pmlmepriv->cur_network.network;
1174
1175 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1176 for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
1177 pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
1178
1179 switch (pIE->ElementID) {
1180 case _VENDOR_SPECIFIC_IE_:
1181 if (_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4) &&
1182 ((_rtw_memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
1183 (_rtw_memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
1184 return false;
1185 break;
1186 case _RSN_IE_2_:
1187 if ((_rtw_memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4)) ||
1188 (_rtw_memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
1189 return false;
1190 default:
1191 break;
1192 }
1193
1194 i += (pIE->Length + 2);
1195 }
1196
1197 return true;
1198 } else {
1199 return false;
1200 }
1201 }
1202
1203 unsigned int is_ap_in_wep(struct adapter *padapter)
1204 {
1205 u32 i;
1206 struct ndis_802_11_var_ie *pIE;
1207 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1208 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1209 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1210
1211 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1212 for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1213 pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1214
1215 switch (pIE->ElementID) {
1216 case _VENDOR_SPECIFIC_IE_:
1217 if (_rtw_memcmp(pIE->data, RTW_WPA_OUI, 4))
1218 return false;
1219 break;
1220 case _RSN_IE_2_:
1221 return false;
1222 default:
1223 break;
1224 }
1225 i += (pIE->Length + 2);
1226 }
1227 return true;
1228 } else {
1229 return false;
1230 }
1231 }
1232
1233 int wifirate2_ratetbl_inx(unsigned char rate)
1234 {
1235 int inx = 0;
1236 rate = rate & 0x7f;
1237
1238 switch (rate) {
1239 case 54*2:
1240 inx = 11;
1241 break;
1242 case 48*2:
1243 inx = 10;
1244 break;
1245 case 36*2:
1246 inx = 9;
1247 break;
1248 case 24*2:
1249 inx = 8;
1250 break;
1251 case 18*2:
1252 inx = 7;
1253 break;
1254 case 12*2:
1255 inx = 6;
1256 break;
1257 case 9*2:
1258 inx = 5;
1259 break;
1260 case 6*2:
1261 inx = 4;
1262 break;
1263 case 11*2:
1264 inx = 3;
1265 break;
1266 case 11:
1267 inx = 2;
1268 break;
1269 case 2*2:
1270 inx = 1;
1271 break;
1272 case 1*2:
1273 inx = 0;
1274 break;
1275 }
1276 return inx;
1277 }
1278
1279 unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
1280 {
1281 unsigned int i, num_of_rate;
1282 unsigned int mask = 0;
1283
1284 num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1285
1286 for (i = 0; i < num_of_rate; i++) {
1287 if ((*(ptn + i)) & 0x80)
1288 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1289 }
1290 return mask;
1291 }
1292
1293 unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
1294 {
1295 unsigned int i, num_of_rate;
1296 unsigned int mask = 0;
1297
1298 num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1299
1300 for (i = 0; i < num_of_rate; i++)
1301 mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1302 return mask;
1303 }
1304
1305 unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
1306 {
1307 unsigned int mask = 0;
1308
1309 mask = ((pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20));
1310
1311 return mask;
1312 }
1313
1314 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
1315 {
1316 unsigned char bit_offset;
1317 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1318 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1319
1320 if (!(pmlmeinfo->HT_enable))
1321 return _FAIL;
1322
1323 if ((pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK))
1324 return _FAIL;
1325
1326 bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
1327
1328 if (__le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1329 return _SUCCESS;
1330 else
1331 return _FAIL;
1332 }
1333
1334 unsigned char get_highest_rate_idx(u32 mask)
1335 {
1336 int i;
1337 unsigned char rate_idx = 0;
1338
1339 for (i = 27; i >= 0; i--) {
1340 if (mask & BIT(i)) {
1341 rate_idx = i;
1342 break;
1343 }
1344 }
1345 return rate_idx;
1346 }
1347
1348 void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
1349 {
1350 rtw_hal_update_ra_mask(padapter, mac_id, 0);
1351 }
1352
1353 static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
1354 {
1355 Update_RA_Entry(padapter, mac_id);
1356 }
1357
1358 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1359 {
1360 /* rate adaptive */
1361 enable_rate_adaptive(padapter, psta->mac_id);
1362 }
1363
1364 /* Update RRSR and Rate for USERATE */
1365 void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
1366 {
1367 unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
1368 #ifdef CONFIG_88EU_P2P
1369 struct wifidirect_info *pwdinfo = &padapter->wdinfo;
1370
1371 /* Added by Albert 2011/03/22 */
1372 /* In the P2P mode, the driver should not support the b mode. */
1373 /* So, the Tx packet shouldn't use the CCK rate */
1374 if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
1375 return;
1376 #endif /* CONFIG_88EU_P2P */
1377 _rtw_memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
1378
1379 if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
1380 memcpy(supported_rates, rtw_basic_rate_cck, 4);
1381 else if (wirelessmode & WIRELESS_11B)
1382 memcpy(supported_rates, rtw_basic_rate_mix, 7);
1383 else
1384 memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
1385
1386
1387 if (wirelessmode & WIRELESS_11B)
1388 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1389 else
1390 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1391
1392 rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
1393 }
1394
1395 unsigned char check_assoc_AP(u8 *pframe, uint len)
1396 {
1397 unsigned int i;
1398 struct ndis_802_11_var_ie *pIE;
1399 u8 epigram_vendor_flag;
1400 u8 ralink_vendor_flag;
1401 epigram_vendor_flag = 0;
1402 ralink_vendor_flag = 0;
1403
1404 for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
1405 pIE = (struct ndis_802_11_var_ie *)(pframe + i);
1406
1407 switch (pIE->ElementID) {
1408 case _VENDOR_SPECIFIC_IE_:
1409 if ((_rtw_memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
1410 (_rtw_memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1411 DBG_88E("link to Artheros AP\n");
1412 return HT_IOT_PEER_ATHEROS;
1413 } else if ((_rtw_memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1414 (_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
1415 (_rtw_memcmp(pIE->data, BROADCOM_OUI2, 3))) {
1416 DBG_88E("link to Broadcom AP\n");
1417 return HT_IOT_PEER_BROADCOM;
1418 } else if (_rtw_memcmp(pIE->data, MARVELL_OUI, 3)) {
1419 DBG_88E("link to Marvell AP\n");
1420 return HT_IOT_PEER_MARVELL;
1421 } else if (_rtw_memcmp(pIE->data, RALINK_OUI, 3)) {
1422 if (!ralink_vendor_flag) {
1423 ralink_vendor_flag = 1;
1424 } else {
1425 DBG_88E("link to Ralink AP\n");
1426 return HT_IOT_PEER_RALINK;
1427 }
1428 } else if (_rtw_memcmp(pIE->data, CISCO_OUI, 3)) {
1429 DBG_88E("link to Cisco AP\n");
1430 return HT_IOT_PEER_CISCO;
1431 } else if (_rtw_memcmp(pIE->data, REALTEK_OUI, 3)) {
1432 DBG_88E("link to Realtek 96B\n");
1433 return HT_IOT_PEER_REALTEK;
1434 } else if (_rtw_memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1435 DBG_88E("link to Airgo Cap\n");
1436 return HT_IOT_PEER_AIRGO;
1437 } else if (_rtw_memcmp(pIE->data, EPIGRAM_OUI, 3)) {
1438 epigram_vendor_flag = 1;
1439 if (ralink_vendor_flag) {
1440 DBG_88E("link to Tenda W311R AP\n");
1441 return HT_IOT_PEER_TENDA;
1442 } else {
1443 DBG_88E("Capture EPIGRAM_OUI\n");
1444 }
1445 } else {
1446 break;
1447 }
1448
1449 default:
1450 break;
1451 }
1452 i += (pIE->Length + 2);
1453 }
1454
1455 if (ralink_vendor_flag && !epigram_vendor_flag) {
1456 DBG_88E("link to Ralink AP\n");
1457 return HT_IOT_PEER_RALINK;
1458 } else if (ralink_vendor_flag && epigram_vendor_flag) {
1459 DBG_88E("link to Tenda W311R AP\n");
1460 return HT_IOT_PEER_TENDA;
1461 } else {
1462 DBG_88E("link to new AP\n");
1463 return HT_IOT_PEER_UNKNOWN;
1464 }
1465 }
1466
1467 void update_IOT_info(struct adapter *padapter)
1468 {
1469 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1470 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1471
1472 switch (pmlmeinfo->assoc_AP_vendor) {
1473 case HT_IOT_PEER_MARVELL:
1474 pmlmeinfo->turboMode_cts2self = 1;
1475 pmlmeinfo->turboMode_rtsen = 0;
1476 break;
1477 case HT_IOT_PEER_RALINK:
1478 pmlmeinfo->turboMode_cts2self = 0;
1479 pmlmeinfo->turboMode_rtsen = 1;
1480 /* disable high power */
1481 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1482 break;
1483 case HT_IOT_PEER_REALTEK:
1484 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1485 /* rtw_write16(padapter, 0x546, 0x01c0); */
1486 /* disable high power */
1487 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1488 break;
1489 default:
1490 pmlmeinfo->turboMode_cts2self = 0;
1491 pmlmeinfo->turboMode_rtsen = 1;
1492 break;
1493 }
1494 }
1495
1496 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1497 {
1498 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1499 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1500 bool ShortPreamble;
1501
1502 /* Check preamble mode, 2005.01.06, by rcnjko. */
1503 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */
1504
1505 if (updateCap & cShortPreamble) { /* Short Preamble */
1506 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */
1507 ShortPreamble = true;
1508 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1509 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1510 }
1511 } else { /* Long Preamble */
1512 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */
1513 ShortPreamble = false;
1514 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1515 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1516 }
1517 }
1518
1519 if (updateCap & cIBSS) {
1520 /* Filen: See 802.11-2007 p.91 */
1521 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1522 } else { /* Filen: See 802.11-2007 p.90 */
1523 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
1524 if (updateCap & cShortSlotTime) { /* Short Slot Time */
1525 if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
1526 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1527 } else { /* Long Slot Time */
1528 if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
1529 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1530 }
1531 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
1532 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1533 } else {
1534 /* B Mode */
1535 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1536 }
1537 }
1538
1539 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1540 }
1541
1542 void update_wireless_mode(struct adapter *padapter)
1543 {
1544 int ratelen, network_type = 0;
1545 u32 SIFS_Timer;
1546 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1547 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1548 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1549 unsigned char *rate = cur_network->SupportedRates;
1550
1551 ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1552
1553 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1554 pmlmeinfo->HT_enable = 1;
1555
1556 if (pmlmeext->cur_channel > 14) {
1557 if (pmlmeinfo->HT_enable)
1558 network_type = WIRELESS_11_5N;
1559
1560 network_type |= WIRELESS_11A;
1561 } else {
1562 if (pmlmeinfo->HT_enable)
1563 network_type = WIRELESS_11_24N;
1564
1565 if ((cckratesonly_included(rate, ratelen)) == true)
1566 network_type |= WIRELESS_11B;
1567 else if ((cckrates_included(rate, ratelen)) == true)
1568 network_type |= WIRELESS_11BG;
1569 else
1570 network_type |= WIRELESS_11G;
1571 }
1572
1573 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1574
1575 SIFS_Timer = 0x0a0a0808;/* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1576 /* change this value if having IOT issues. */
1577
1578 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
1579
1580 if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1581 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1582 else
1583 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1584 }
1585
1586 void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
1587 {
1588 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1589 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1590
1591 if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
1592 /* Only B, B/G, and B/G/N AP could use CCK rate */
1593 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
1594 } else {
1595 memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
1596 }
1597 }
1598
1599 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1600 {
1601 unsigned int ie_len;
1602 struct ndis_802_11_var_ie *pIE;
1603 int supportRateNum = 0;
1604 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1605 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1606
1607 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1608 if (pIE == NULL)
1609 return _FAIL;
1610
1611 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1612 supportRateNum = ie_len;
1613
1614 pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1615 if (pIE)
1616 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1617
1618 return _SUCCESS;
1619 }
1620
1621 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1622 {
1623 struct sta_info *psta;
1624 u16 tid;
1625 u16 param;
1626 struct recv_reorder_ctrl *preorder_ctrl;
1627 struct sta_priv *pstapriv = &padapter->stapriv;
1628 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1629 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1630 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1631
1632 psta = rtw_get_stainfo(pstapriv, addr);
1633
1634 if (psta) {
1635 param = le16_to_cpu(preq->BA_para_set);
1636 tid = (param>>2)&0x0f;
1637 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1638 preorder_ctrl->indicate_seq = 0xffff;
1639 preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq) ? true : false;
1640 }
1641 }
1642
1643 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1644 {
1645 u8 *pIE;
1646 __le32 *pbuf;
1647
1648 pIE = pframe + sizeof(struct rtw_ieee80211_hdr_3addr);
1649 pbuf = (__le32 *)pIE;
1650
1651 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1652
1653 pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1654
1655 pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1656 }
1657
1658 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1659 {
1660 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1661 }
1662
1663 void beacon_timing_control(struct adapter *padapter)
1664 {
1665 rtw_hal_bcn_related_reg_setting(padapter);
1666 }
1667
1668 static struct adapter *pbuddy_padapter;
1669
1670 int rtw_handle_dualmac(struct adapter *adapter, bool init)
1671 {
1672 int status = _SUCCESS;
1673
1674 if (init) {
1675 if (pbuddy_padapter == NULL) {
1676 pbuddy_padapter = adapter;
1677 DBG_88E("%s(): pbuddy_padapter == NULL, Set pbuddy_padapter\n", __func__);
1678 } else {
1679 adapter->pbuddy_adapter = pbuddy_padapter;
1680 pbuddy_padapter->pbuddy_adapter = adapter;
1681 /* clear global value */
1682 pbuddy_padapter = NULL;
1683 DBG_88E("%s(): pbuddy_padapter exist, Exchange Information\n", __func__);
1684 }
1685 } else {
1686 pbuddy_padapter = NULL;
1687 }
1688 return status;
1689 }
Linux kernel - Deliverables
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