1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7 #define _RTW_WLAN_UTIL_C_
8
9 #include <drv_types.h>
10 #include <rtw_debug.h>
11 #include <hal_com_h2c.h>
12
13 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
14 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
15
16 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
17 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
18 static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5};
19
20 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
21 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
22 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
23 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
24 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
25 static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02};
26 static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02};
27
28 #define R2T_PHY_DELAY (0)
29
30 /* define WAIT_FOR_BCN_TO_MIN (3000) */
31 #define WAIT_FOR_BCN_TO_MIN (6000)
32 #define WAIT_FOR_BCN_TO_MAX (20000)
33
34 #define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000
35 #define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3
36
37 static u8 rtw_basic_rate_cck[4] = {
38 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
39 IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
40 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
41 IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
42 };
43
44 static u8 rtw_basic_rate_ofdm[3] = {
45 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK,
46 IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
47 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
48 };
49
networktype_to_raid_ex(struct adapter * adapter,struct sta_info * psta)50 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
51 {
52 u8 raid, cur_rf_type, rf_type = RF_1T1R;
53
54 rtw_hal_get_hwreg(adapter, HW_VAR_RF_TYPE, (u8 *)(&cur_rf_type));
55
56 if (cur_rf_type == RF_1T1R) {
57 rf_type = RF_1T1R;
58 } else if (IsSupportedVHT(psta->wireless_mode)) {
59 if (psta->ra_mask & 0xffc00000)
60 rf_type = RF_2T2R;
61 } else if (IsSupportedHT(psta->wireless_mode)) {
62 if (psta->ra_mask & 0xfff00000)
63 rf_type = RF_2T2R;
64 }
65
66 switch (psta->wireless_mode) {
67 case WIRELESS_11B:
68 raid = RATEID_IDX_B;
69 break;
70 case WIRELESS_11A:
71 case WIRELESS_11G:
72 raid = RATEID_IDX_G;
73 break;
74 case WIRELESS_11BG:
75 raid = RATEID_IDX_BG;
76 break;
77 case WIRELESS_11_24N:
78 case WIRELESS_11_5N:
79 case WIRELESS_11A_5N:
80 case WIRELESS_11G_24N:
81 if (rf_type == RF_2T2R)
82 raid = RATEID_IDX_GN_N2SS;
83 else
84 raid = RATEID_IDX_GN_N1SS;
85 break;
86 case WIRELESS_11B_24N:
87 case WIRELESS_11BG_24N:
88 if (psta->bw_mode == CHANNEL_WIDTH_20) {
89 if (rf_type == RF_2T2R)
90 raid = RATEID_IDX_BGN_20M_2SS_BN;
91 else
92 raid = RATEID_IDX_BGN_20M_1SS_BN;
93 } else {
94 if (rf_type == RF_2T2R)
95 raid = RATEID_IDX_BGN_40M_2SS;
96 else
97 raid = RATEID_IDX_BGN_40M_1SS;
98 }
99 break;
100 default:
101 raid = RATEID_IDX_BGN_40M_2SS;
102 break;
103 }
104 return raid;
105 }
106
107 unsigned char ratetbl_val_2wifirate(unsigned char rate);
ratetbl_val_2wifirate(unsigned char rate)108 unsigned char ratetbl_val_2wifirate(unsigned char rate)
109 {
110 switch (rate & 0x7f) {
111 case 0:
112 return IEEE80211_CCK_RATE_1MB;
113 case 1:
114 return IEEE80211_CCK_RATE_2MB;
115 case 2:
116 return IEEE80211_CCK_RATE_5MB;
117 case 3:
118 return IEEE80211_CCK_RATE_11MB;
119 case 4:
120 return IEEE80211_OFDM_RATE_6MB;
121 case 5:
122 return IEEE80211_OFDM_RATE_9MB;
123 case 6:
124 return IEEE80211_OFDM_RATE_12MB;
125 case 7:
126 return IEEE80211_OFDM_RATE_18MB;
127 case 8:
128 return IEEE80211_OFDM_RATE_24MB;
129 case 9:
130 return IEEE80211_OFDM_RATE_36MB;
131 case 10:
132 return IEEE80211_OFDM_RATE_48MB;
133 case 11:
134 return IEEE80211_OFDM_RATE_54MB;
135 default:
136 return 0;
137 }
138 }
139
140 int is_basicrate(struct adapter *padapter, unsigned char rate);
is_basicrate(struct adapter * padapter,unsigned char rate)141 int is_basicrate(struct adapter *padapter, unsigned char rate)
142 {
143 int i;
144 unsigned char val;
145 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
146
147 for (i = 0; i < NumRates; i++) {
148 val = pmlmeext->basicrate[i];
149
150 if ((val != 0xff) && (val != 0xfe))
151 if (rate == ratetbl_val_2wifirate(val))
152 return true;
153 }
154
155 return false;
156 }
157
158 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset);
ratetbl2rateset(struct adapter * padapter,unsigned char * rateset)159 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
160 {
161 int i;
162 unsigned char rate;
163 unsigned int len = 0;
164 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
165
166 for (i = 0; i < NumRates; i++) {
167 rate = pmlmeext->datarate[i];
168
169 switch (rate) {
170 case 0xff:
171 return len;
172
173 case 0xfe:
174 continue;
175
176 default:
177 rate = ratetbl_val_2wifirate(rate);
178
179 if (is_basicrate(padapter, rate) == true)
180 rate |= IEEE80211_BASIC_RATE_MASK;
181
182 rateset[len] = rate;
183 len++;
184 break;
185 }
186 }
187 return len;
188 }
189
get_rate_set(struct adapter * padapter,unsigned char * pbssrate,int * bssrate_len)190 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
191 {
192 unsigned char supportedrates[NumRates];
193
194 memset(supportedrates, 0, NumRates);
195 *bssrate_len = ratetbl2rateset(padapter, supportedrates);
196 memcpy(pbssrate, supportedrates, *bssrate_len);
197 }
198
set_mcs_rate_by_mask(u8 * mcs_set,u32 mask)199 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask)
200 {
201 u8 mcs_rate_1r = (u8)(mask&0xff);
202 u8 mcs_rate_2r = (u8)((mask>>8)&0xff);
203 u8 mcs_rate_3r = (u8)((mask>>16)&0xff);
204 u8 mcs_rate_4r = (u8)((mask>>24)&0xff);
205
206 mcs_set[0] &= mcs_rate_1r;
207 mcs_set[1] &= mcs_rate_2r;
208 mcs_set[2] &= mcs_rate_3r;
209 mcs_set[3] &= mcs_rate_4r;
210 }
211
UpdateBrateTbl(struct adapter * Adapter,u8 * mBratesOS)212 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS)
213 {
214 u8 i;
215 u8 rate;
216
217 /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
218 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
219 rate = mBratesOS[i] & 0x7f;
220 switch (rate) {
221 case IEEE80211_CCK_RATE_1MB:
222 case IEEE80211_CCK_RATE_2MB:
223 case IEEE80211_CCK_RATE_5MB:
224 case IEEE80211_CCK_RATE_11MB:
225 case IEEE80211_OFDM_RATE_6MB:
226 case IEEE80211_OFDM_RATE_12MB:
227 case IEEE80211_OFDM_RATE_24MB:
228 mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK;
229 break;
230 }
231 }
232 }
233
UpdateBrateTblForSoftAP(u8 * bssrateset,u32 bssratelen)234 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
235 {
236 u8 i;
237 u8 rate;
238
239 for (i = 0; i < bssratelen; i++) {
240 rate = bssrateset[i] & 0x7f;
241 switch (rate) {
242 case IEEE80211_CCK_RATE_1MB:
243 case IEEE80211_CCK_RATE_2MB:
244 case IEEE80211_CCK_RATE_5MB:
245 case IEEE80211_CCK_RATE_11MB:
246 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
247 break;
248 }
249 }
250 }
251
Save_DM_Func_Flag(struct adapter * padapter)252 void Save_DM_Func_Flag(struct adapter *padapter)
253 {
254 u8 bSaveFlag = true;
255
256 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
257 }
258
Restore_DM_Func_Flag(struct adapter * padapter)259 void Restore_DM_Func_Flag(struct adapter *padapter)
260 {
261 u8 bSaveFlag = false;
262
263 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
264 }
265
Switch_DM_Func(struct adapter * padapter,u32 mode,u8 enable)266 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
267 {
268 if (enable == true)
269 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
270 else
271 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
272 }
273
Set_MSR(struct adapter * padapter,u8 type)274 void Set_MSR(struct adapter *padapter, u8 type)
275 {
276 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
277 }
278
rtw_get_oper_ch(struct adapter * adapter)279 inline u8 rtw_get_oper_ch(struct adapter *adapter)
280 {
281 return adapter_to_dvobj(adapter)->oper_channel;
282 }
283
rtw_set_oper_ch(struct adapter * adapter,u8 ch)284 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
285 {
286 #ifdef DBG_CH_SWITCH
287 const int len = 128;
288 char msg[128] = {0};
289 int cnt = 0;
290 int i = 0;
291 #endif /* DBG_CH_SWITCH */
292 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
293
294 if (dvobj->oper_channel != ch) {
295 dvobj->on_oper_ch_time = jiffies;
296
297 #ifdef DBG_CH_SWITCH
298 cnt += scnprintf(msg+cnt, len-cnt, "switch to ch %3u", ch);
299
300 for (i = 0; i < dvobj->iface_nums; i++) {
301 struct adapter *iface = dvobj->padapters[i];
302
303 cnt += scnprintf(msg+cnt, len-cnt, " [%s:", ADPT_ARG(iface));
304 if (iface->mlmeextpriv.cur_channel == ch)
305 cnt += scnprintf(msg+cnt, len-cnt, "C");
306 else
307 cnt += scnprintf(msg+cnt, len-cnt, "_");
308 if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
309 cnt += scnprintf(msg+cnt, len-cnt, "L");
310 else
311 cnt += scnprintf(msg+cnt, len-cnt, "_");
312 cnt += scnprintf(msg+cnt, len-cnt, "]");
313 }
314
315 #endif /* DBG_CH_SWITCH */
316 }
317
318 dvobj->oper_channel = ch;
319 }
320
rtw_get_oper_bw(struct adapter * adapter)321 inline u8 rtw_get_oper_bw(struct adapter *adapter)
322 {
323 return adapter_to_dvobj(adapter)->oper_bwmode;
324 }
325
rtw_set_oper_bw(struct adapter * adapter,u8 bw)326 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
327 {
328 adapter_to_dvobj(adapter)->oper_bwmode = bw;
329 }
330
rtw_get_oper_choffset(struct adapter * adapter)331 inline u8 rtw_get_oper_choffset(struct adapter *adapter)
332 {
333 return adapter_to_dvobj(adapter)->oper_ch_offset;
334 }
335
rtw_set_oper_choffset(struct adapter * adapter,u8 offset)336 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
337 {
338 adapter_to_dvobj(adapter)->oper_ch_offset = offset;
339 }
340
rtw_get_center_ch(u8 channel,u8 chnl_bw,u8 chnl_offset)341 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset)
342 {
343 u8 center_ch = channel;
344
345 if (chnl_bw == CHANNEL_WIDTH_80) {
346 center_ch = 7;
347 } else if (chnl_bw == CHANNEL_WIDTH_40) {
348 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
349 center_ch = channel + 2;
350 else
351 center_ch = channel - 2;
352 }
353
354 return center_ch;
355 }
356
rtw_get_on_cur_ch_time(struct adapter * adapter)357 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter)
358 {
359 if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel)
360 return adapter_to_dvobj(adapter)->on_oper_ch_time;
361 else
362 return 0;
363 }
364
SelectChannel(struct adapter * padapter,unsigned char channel)365 void SelectChannel(struct adapter *padapter, unsigned char channel)
366 {
367 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
368 return;
369
370 /* saved channel info */
371 rtw_set_oper_ch(padapter, channel);
372
373 rtw_hal_set_chan(padapter, channel);
374
375 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
376 }
377
set_channel_bwmode(struct adapter * padapter,unsigned char channel,unsigned char channel_offset,unsigned short bwmode)378 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
379 {
380 u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
381
382 center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
383
384 if (bwmode == CHANNEL_WIDTH_80) {
385 if (center_ch > channel)
386 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_LOWER;
387 else if (center_ch < channel)
388 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_UPPER;
389 else
390 chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
391 }
392
393 /* set Channel */
394 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
395 return;
396
397 /* saved channel/bw info */
398 rtw_set_oper_ch(padapter, channel);
399 rtw_set_oper_bw(padapter, bwmode);
400 rtw_set_oper_choffset(padapter, channel_offset);
401
402 rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /* set center channel */
403
404 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
405 }
406
get_my_bssid(struct wlan_bssid_ex * pnetwork)407 inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
408 {
409 return pnetwork->MacAddress;
410 }
411
get_beacon_interval(struct wlan_bssid_ex * bss)412 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
413 {
414 __le16 val;
415
416 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
417
418 return le16_to_cpu(val);
419 }
420
is_client_associated_to_ap(struct adapter * padapter)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
is_client_associated_to_ibss(struct adapter * padapter)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
is_IBSS_empty(struct adapter * padapter)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
460 return true;
461 }
462
decide_wait_for_beacon_timeout(unsigned int bcn_interval)463 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
464 {
465 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
466 return WAIT_FOR_BCN_TO_MIN;
467 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
468 return WAIT_FOR_BCN_TO_MAX;
469 else
470 return bcn_interval << 2;
471 }
472
invalidate_cam_all(struct adapter * padapter)473 void invalidate_cam_all(struct adapter *padapter)
474 {
475 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
476 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
477
478 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
479
480 spin_lock_bh(&cam_ctl->lock);
481 cam_ctl->bitmap = 0;
482 memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY);
483 spin_unlock_bh(&cam_ctl->lock);
484 }
485
_ReadCAM(struct adapter * padapter,u32 addr)486 static u32 _ReadCAM(struct adapter *padapter, u32 addr)
487 {
488 u32 count = 0, cmd;
489
490 cmd = CAM_POLLINIG | addr;
491 rtw_write32(padapter, RWCAM, cmd);
492
493 do {
494 if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG))
495 break;
496 } while (count++ < 100);
497
498 return rtw_read32(padapter, REG_CAMREAD);
499 }
500
read_cam(struct adapter * padapter,u8 entry,u8 * get_key)501 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key)
502 {
503 u32 j, addr, cmd;
504
505 addr = entry << 3;
506
507 for (j = 0; j < 6; j++) {
508 cmd = _ReadCAM(padapter, addr+j);
509 if (j > 1) /* get key from cam */
510 memcpy(get_key+(j-2)*4, &cmd, 4);
511 }
512 }
513
_write_cam(struct adapter * padapter,u8 entry,u16 ctrl,u8 * mac,u8 * key)514 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
515 {
516 unsigned int i, val, addr;
517 int j;
518 u32 cam_val[2];
519
520 addr = entry << 3;
521
522 for (j = 5; j >= 0; j--) {
523 switch (j) {
524 case 0:
525 val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
526 break;
527 case 1:
528 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
529 break;
530 default:
531 i = (j - 2) << 2;
532 val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
533 break;
534 }
535
536 cam_val[0] = val;
537 cam_val[1] = addr + (unsigned int)j;
538
539 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
540 }
541 }
542
_clear_cam_entry(struct adapter * padapter,u8 entry)543 void _clear_cam_entry(struct adapter *padapter, u8 entry)
544 {
545 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
546 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
547
548 _write_cam(padapter, entry, 0, null_sta, null_key);
549 }
550
write_cam(struct adapter * adapter,u8 id,u16 ctrl,u8 * mac,u8 * key)551 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
552 {
553 _write_cam(adapter, id, ctrl, mac, key);
554 write_cam_cache(adapter, id, ctrl, mac, key);
555 }
556
clear_cam_entry(struct adapter * adapter,u8 id)557 inline void clear_cam_entry(struct adapter *adapter, u8 id)
558 {
559 _clear_cam_entry(adapter, id);
560 clear_cam_cache(adapter, id);
561 }
562
write_cam_cache(struct adapter * adapter,u8 id,u16 ctrl,u8 * mac,u8 * key)563 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
564 {
565 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
566 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
567
568 spin_lock_bh(&cam_ctl->lock);
569
570 dvobj->cam_cache[id].ctrl = ctrl;
571 memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN);
572 memcpy(dvobj->cam_cache[id].key, key, 16);
573
574 spin_unlock_bh(&cam_ctl->lock);
575 }
576
clear_cam_cache(struct adapter * adapter,u8 id)577 void clear_cam_cache(struct adapter *adapter, u8 id)
578 {
579 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
580 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
581
582 spin_lock_bh(&cam_ctl->lock);
583
584 memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache));
585
586 spin_unlock_bh(&cam_ctl->lock);
587 }
588
_rtw_camid_is_gk(struct adapter * adapter,u8 cam_id)589 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id)
590 {
591 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
592 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
593 bool ret = false;
594
595 if (cam_id >= TOTAL_CAM_ENTRY)
596 goto exit;
597
598 if (!(cam_ctl->bitmap & BIT(cam_id)))
599 goto exit;
600
601 ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false;
602
603 exit:
604 return ret;
605 }
606
_rtw_camid_search(struct adapter * adapter,u8 * addr,s16 kid)607 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
608 {
609 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
610 int i;
611 s16 cam_id = -1;
612
613 for (i = 0; i < TOTAL_CAM_ENTRY; i++) {
614 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN))
615 continue;
616 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03))
617 continue;
618
619 cam_id = i;
620 break;
621 }
622
623 return cam_id;
624 }
625
rtw_camid_search(struct adapter * adapter,u8 * addr,s16 kid)626 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
627 {
628 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
629 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
630 s16 cam_id = -1;
631
632 spin_lock_bh(&cam_ctl->lock);
633 cam_id = _rtw_camid_search(adapter, addr, kid);
634 spin_unlock_bh(&cam_ctl->lock);
635
636 return cam_id;
637 }
638
rtw_camid_alloc(struct adapter * adapter,struct sta_info * sta,u8 kid)639 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid)
640 {
641 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
642 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
643 s16 cam_id = -1;
644 struct mlme_ext_info *mlmeinfo;
645
646 spin_lock_bh(&cam_ctl->lock);
647
648 mlmeinfo = &adapter->mlmeextpriv.mlmext_info;
649
650 if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
651 && !sta) {
652 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */
653 if (kid > 3) {
654 netdev_dbg(adapter->pnetdev,
655 FUNC_ADPT_FMT " group key with invalid key id:%u\n",
656 FUNC_ADPT_ARG(adapter), kid);
657 rtw_warn_on(1);
658 goto bitmap_handle;
659 }
660
661 cam_id = kid;
662 } else {
663 int i;
664 u8 *addr = sta?sta->hwaddr:NULL;
665
666 if (!sta) {
667 if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
668 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */
669 goto bitmap_handle;
670 }
671
672 addr = get_bssid(&adapter->mlmepriv);
673 }
674
675 i = _rtw_camid_search(adapter, addr, kid);
676 if (i >= 0) {
677 /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */
678 if (sta || _rtw_camid_is_gk(adapter, i))
679 cam_id = i;
680 else
681 netdev_dbg(adapter->pnetdev,
682 FUNC_ADPT_FMT " group key id:%u the same key id as pairwise key\n",
683 FUNC_ADPT_ARG(adapter), kid);
684 goto bitmap_handle;
685 }
686
687 for (i = 4; i < TOTAL_CAM_ENTRY; i++)
688 if (!(cam_ctl->bitmap & BIT(i)))
689 break;
690
691 if (i == TOTAL_CAM_ENTRY) {
692 if (sta)
693 netdev_dbg(adapter->pnetdev,
694 FUNC_ADPT_FMT " pairwise key with %pM id:%u no room\n",
695 FUNC_ADPT_ARG(adapter),
696 MAC_ARG(sta->hwaddr), kid);
697 else
698 netdev_dbg(adapter->pnetdev,
699 FUNC_ADPT_FMT " group key id:%u no room\n",
700 FUNC_ADPT_ARG(adapter), kid);
701 rtw_warn_on(1);
702 goto bitmap_handle;
703 }
704
705 cam_id = i;
706 }
707
708 bitmap_handle:
709 if (cam_id >= 0 && cam_id < 32)
710 cam_ctl->bitmap |= BIT(cam_id);
711
712 spin_unlock_bh(&cam_ctl->lock);
713
714 return cam_id;
715 }
716
rtw_camid_free(struct adapter * adapter,u8 cam_id)717 void rtw_camid_free(struct adapter *adapter, u8 cam_id)
718 {
719 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
720 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
721
722 spin_lock_bh(&cam_ctl->lock);
723
724 if (cam_id < TOTAL_CAM_ENTRY)
725 cam_ctl->bitmap &= ~(BIT(cam_id));
726
727 spin_unlock_bh(&cam_ctl->lock);
728 }
729
allocate_fw_sta_entry(struct adapter * padapter)730 int allocate_fw_sta_entry(struct adapter *padapter)
731 {
732 unsigned int mac_id;
733 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
734 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
735
736 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
737 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
738 pmlmeinfo->FW_sta_info[mac_id].status = 1;
739 pmlmeinfo->FW_sta_info[mac_id].retry = 0;
740 break;
741 }
742 }
743
744 return mac_id;
745 }
746
flush_all_cam_entry(struct adapter * padapter)747 void flush_all_cam_entry(struct adapter *padapter)
748 {
749 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
750 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
751
752 invalidate_cam_all(padapter);
753 /* clear default key related key search setting */
754 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false);
755
756 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
757 }
758
WMM_param_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)759 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
760 {
761 /* struct registry_priv *pregpriv = &padapter->registrypriv; */
762 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
763 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
764 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
765
766 if (pmlmepriv->qospriv.qos_option == 0) {
767 pmlmeinfo->WMM_enable = 0;
768 return false;
769 }
770
771 if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)))
772 return false;
773 else
774 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
775
776 pmlmeinfo->WMM_enable = 1;
777 return true;
778 }
779
WMMOnAssocRsp(struct adapter * padapter)780 void WMMOnAssocRsp(struct adapter *padapter)
781 {
782 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
783 u8 acm_mask;
784 u16 TXOP;
785 u32 acParm, i;
786 u32 edca[4], inx[4];
787 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
788 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
789 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
790 struct registry_priv *pregpriv = &padapter->registrypriv;
791
792 acm_mask = 0;
793
794 if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N)
795 aSifsTime = 16;
796 else
797 aSifsTime = 10;
798
799 if (pmlmeinfo->WMM_enable == 0) {
800 padapter->mlmepriv.acm_mask = 0;
801
802 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
803
804 if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11A)) {
805 ECWMin = 4;
806 ECWMax = 10;
807 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
808 ECWMin = 5;
809 ECWMax = 10;
810 } else {
811 ECWMin = 4;
812 ECWMax = 10;
813 }
814
815 TXOP = 0;
816 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
817 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
818 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
819 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
820
821 ECWMin = 2;
822 ECWMax = 3;
823 TXOP = 0x2f;
824 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
825 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
826 } else {
827 edca[0] = edca[1] = edca[2] = edca[3] = 0;
828
829 for (i = 0; i < 4; i++) {
830 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
831 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
832
833 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
834 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
835
836 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
837 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
838 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
839
840 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
841
842 switch (ACI) {
843 case 0x0:
844 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
845 acm_mask |= (ACM ? BIT(1):0);
846 edca[XMIT_BE_QUEUE] = acParm;
847 break;
848
849 case 0x1:
850 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
851 /* acm_mask |= (ACM? BIT(0):0); */
852 edca[XMIT_BK_QUEUE] = acParm;
853 break;
854
855 case 0x2:
856 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
857 acm_mask |= (ACM ? BIT(2):0);
858 edca[XMIT_VI_QUEUE] = acParm;
859 break;
860
861 case 0x3:
862 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
863 acm_mask |= (ACM ? BIT(3):0);
864 edca[XMIT_VO_QUEUE] = acParm;
865 break;
866 }
867 }
868
869 if (padapter->registrypriv.acm_method == 1)
870 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
871 else
872 padapter->mlmepriv.acm_mask = acm_mask;
873
874 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
875
876 if (pregpriv->wifi_spec == 1) {
877 u32 j, tmp, change_inx = false;
878
879 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
880 for (i = 0; i < 4; i++) {
881 for (j = i+1; j < 4; j++) {
882 /* compare CW and AIFS */
883 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
884 change_inx = true;
885 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
886 /* compare TXOP */
887 if ((edca[j] >> 16) > (edca[i] >> 16))
888 change_inx = true;
889 }
890
891 if (change_inx) {
892 tmp = edca[i];
893 edca[i] = edca[j];
894 edca[j] = tmp;
895
896 tmp = inx[i];
897 inx[i] = inx[j];
898 inx[j] = tmp;
899
900 change_inx = false;
901 }
902 }
903 }
904 }
905
906 for (i = 0; i < 4; i++)
907 pxmitpriv->wmm_para_seq[i] = inx[i];
908 }
909 }
910
bwmode_update_check(struct adapter * padapter,struct ndis_80211_var_ie * pIE)911 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
912 {
913 unsigned char new_bwmode;
914 unsigned char new_ch_offset;
915 struct HT_info_element *pHT_info;
916 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
917 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
918 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
919 struct registry_priv *pregistrypriv = &padapter->registrypriv;
920 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
921 u8 cbw40_enable = 0;
922
923 if (!pIE)
924 return;
925
926 if (phtpriv->ht_option == false)
927 return;
928
929 if (pmlmeext->cur_bwmode >= CHANNEL_WIDTH_80)
930 return;
931
932 if (pIE->Length > sizeof(struct HT_info_element))
933 return;
934
935 pHT_info = (struct HT_info_element *)pIE->data;
936
937 if (pmlmeext->cur_channel > 14) {
938 if ((pregistrypriv->bw_mode & 0xf0) > 0)
939 cbw40_enable = 1;
940 } else {
941 if ((pregistrypriv->bw_mode & 0x0f) > 0)
942 cbw40_enable = 1;
943 }
944
945 if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) {
946 new_bwmode = CHANNEL_WIDTH_40;
947
948 switch (pHT_info->infos[0] & 0x3) {
949 case 1:
950 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
951 break;
952
953 case 3:
954 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
955 break;
956
957 default:
958 new_bwmode = CHANNEL_WIDTH_20;
959 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
960 break;
961 }
962 } else {
963 new_bwmode = CHANNEL_WIDTH_20;
964 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
965 }
966
967 if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) {
968 pmlmeinfo->bwmode_updated = true;
969
970 pmlmeext->cur_bwmode = new_bwmode;
971 pmlmeext->cur_ch_offset = new_ch_offset;
972
973 /* update HT info also */
974 HT_info_handler(padapter, pIE);
975 } else {
976 pmlmeinfo->bwmode_updated = false;
977 }
978
979 if (true == pmlmeinfo->bwmode_updated) {
980 struct sta_info *psta;
981 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
982 struct sta_priv *pstapriv = &padapter->stapriv;
983
984 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
985
986 /* update ap's stainfo */
987 psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
988 if (psta) {
989 struct ht_priv *phtpriv_sta = &psta->htpriv;
990
991 if (phtpriv_sta->ht_option) {
992 /* bwmode */
993 psta->bw_mode = pmlmeext->cur_bwmode;
994 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
995 } else {
996 psta->bw_mode = CHANNEL_WIDTH_20;
997 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
998 }
999
1000 rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
1001 }
1002 }
1003 }
1004
HT_caps_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)1005 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1006 {
1007 unsigned int i;
1008 u8 rf_type;
1009 u8 max_AMPDU_len, min_MPDU_spacing;
1010 u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
1011 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1012 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1013 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1014 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1015
1016 if (!pIE)
1017 return;
1018
1019 if (phtpriv->ht_option == false)
1020 return;
1021
1022 pmlmeinfo->HT_caps_enable = 1;
1023
1024 for (i = 0; i < (pIE->Length); i++) {
1025 if (i != 2) {
1026 /* Commented by Albert 2010/07/12 */
1027 /* Got the endian issue here. */
1028 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
1029 } else {
1030 /* modify from fw by Thomas 2010/11/17 */
1031 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
1032 max_AMPDU_len = (pIE->data[i] & 0x3);
1033 else
1034 max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
1035
1036 if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
1037 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
1038 else
1039 min_MPDU_spacing = (pIE->data[i] & 0x1c);
1040
1041 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
1042 }
1043 }
1044 rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
1045
1046 /* update the MCS set */
1047 for (i = 0; i < 16; i++)
1048 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
1049
1050 /* update the MCS rates */
1051 switch (rf_type) {
1052 case RF_1T1R:
1053 case RF_1T2R:
1054 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
1055 break;
1056 case RF_2T2R:
1057 default:
1058 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_2R);
1059 }
1060
1061 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1062 /* Config STBC setting */
1063 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
1064 GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data))
1065 SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX);
1066
1067 phtpriv->stbc_cap = cur_stbc_cap;
1068 } else {
1069 /* Config LDPC Coding Capability */
1070 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) &&
1071 GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data))
1072 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
1073
1074 phtpriv->ldpc_cap = cur_ldpc_cap;
1075
1076 /* Config STBC setting */
1077 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
1078 GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data))
1079 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
1080
1081 phtpriv->stbc_cap = cur_stbc_cap;
1082 }
1083 }
1084
HT_info_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)1085 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1086 {
1087 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1088 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1089 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1090 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1091
1092 if (!pIE)
1093 return;
1094
1095 if (phtpriv->ht_option == false)
1096 return;
1097
1098 if (pIE->Length > sizeof(struct HT_info_element))
1099 return;
1100
1101 pmlmeinfo->HT_info_enable = 1;
1102 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
1103 }
1104
HTOnAssocRsp(struct adapter * padapter)1105 void HTOnAssocRsp(struct adapter *padapter)
1106 {
1107 unsigned char max_AMPDU_len;
1108 unsigned char min_MPDU_spacing;
1109 /* struct registry_priv *pregpriv = &padapter->registrypriv; */
1110 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1111 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1112
1113 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
1114 pmlmeinfo->HT_enable = 1;
1115 } else {
1116 pmlmeinfo->HT_enable = 0;
1117 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
1118 return;
1119 }
1120
1121 /* handle A-MPDU parameter field */
1122 /*
1123 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1124 AMPDU_para [4:2]:Min MPDU Start Spacing
1125 */
1126 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
1127
1128 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
1129
1130 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
1131
1132 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
1133 }
1134
ERP_IE_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)1135 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1136 {
1137 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1138 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1139
1140 if (pIE->Length > 1)
1141 return;
1142
1143 pmlmeinfo->ERP_enable = 1;
1144 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
1145 }
1146
VCS_update(struct adapter * padapter,struct sta_info * psta)1147 void VCS_update(struct adapter *padapter, struct sta_info *psta)
1148 {
1149 struct registry_priv *pregpriv = &padapter->registrypriv;
1150 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1151 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1152
1153 switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */
1154 case 0: /* off */
1155 psta->rtsen = 0;
1156 psta->cts2self = 0;
1157 break;
1158
1159 case 1: /* on */
1160 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
1161 psta->rtsen = 1;
1162 psta->cts2self = 0;
1163 } else {
1164 psta->rtsen = 0;
1165 psta->cts2self = 1;
1166 }
1167 break;
1168
1169 case 2: /* auto */
1170 default:
1171 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
1172 if (pregpriv->vcs_type == 1) {
1173 psta->rtsen = 1;
1174 psta->cts2self = 0;
1175 } else {
1176 psta->rtsen = 0;
1177 psta->cts2self = 1;
1178 }
1179 } else {
1180 psta->rtsen = 0;
1181 psta->cts2self = 0;
1182 }
1183 break;
1184 }
1185 }
1186
update_ldpc_stbc_cap(struct sta_info * psta)1187 void update_ldpc_stbc_cap(struct sta_info *psta)
1188 {
1189 if (psta->htpriv.ht_option) {
1190 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX))
1191 psta->ldpc = 1;
1192
1193 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1194 psta->stbc = 1;
1195 } else {
1196 psta->ldpc = 0;
1197 psta->stbc = 0;
1198 }
1199 }
1200
rtw_check_bcn_info(struct adapter * Adapter,u8 * pframe,u32 packet_len)1201 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
1202 {
1203 unsigned int len;
1204 unsigned char *p;
1205 unsigned short val16, subtype;
1206 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
1207 /* u8 wpa_ie[255], rsn_ie[255]; */
1208 u16 wpa_len = 0, rsn_len = 0;
1209 u8 encryp_protocol = 0;
1210 struct wlan_bssid_ex *bssid;
1211 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
1212 unsigned char *pbuf;
1213 u32 wpa_ielen = 0;
1214 u8 *pbssid = GetAddr3Ptr(pframe);
1215 struct HT_info_element *pht_info = NULL;
1216 struct ieee80211_ht_cap *pht_cap = NULL;
1217 u32 bcn_channel;
1218 unsigned short ht_cap_info;
1219 unsigned char ht_info_infos_0;
1220 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
1221 int ssid_len;
1222
1223 if (is_client_associated_to_ap(Adapter) == false)
1224 return true;
1225
1226 len = packet_len - sizeof(struct ieee80211_hdr_3addr);
1227
1228 if (len > MAX_IE_SZ)
1229 return _FAIL;
1230
1231 if (memcmp(cur_network->network.MacAddress, pbssid, 6))
1232 return true;
1233
1234 bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex));
1235 if (!bssid)
1236 return true;
1237
1238 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) {
1239 pmlmepriv->timeBcnInfoChkStart = 0;
1240 pmlmepriv->NumOfBcnInfoChkFail = 0;
1241 }
1242
1243 subtype = GetFrameSubType(pframe) >> 4;
1244
1245 if (subtype == WIFI_BEACON)
1246 bssid->Reserved[0] = 1;
1247
1248 bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
1249
1250 /* below is to copy the information element */
1251 bssid->IELength = len;
1252 memcpy(bssid->IEs, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->IELength);
1253
1254 /* check bw and channel offset */
1255 /* parsing HT_CAP_IE */
1256 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1257 if (p && len > 0) {
1258 pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1259 ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1260 } else {
1261 ht_cap_info = 0;
1262 }
1263 /* parsing HT_INFO_IE */
1264 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1265 if (p && len > 0) {
1266 pht_info = (struct HT_info_element *)(p + 2);
1267 ht_info_infos_0 = pht_info->infos[0];
1268 } else {
1269 ht_info_infos_0 = 0;
1270 }
1271 if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
1272 ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
1273 {
1274 /* bcn_info_update */
1275 cur_network->BcnInfo.ht_cap_info = ht_cap_info;
1276 cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
1277 /* to do : need to check that whether modify related register of BB or not */
1278 }
1279 /* goto _mismatch; */
1280 }
1281
1282 /* Checking for channel */
1283 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1284 if (p) {
1285 bcn_channel = *(p + 2);
1286 } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
1287 rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION,
1288 &len, bssid->IELength - _FIXED_IE_LENGTH_);
1289 if (pht_info)
1290 bcn_channel = pht_info->primary_channel;
1291 else /* we don't find channel IE, so don't check it */
1292 bcn_channel = Adapter->mlmeextpriv.cur_channel;
1293 }
1294
1295 if (bcn_channel != Adapter->mlmeextpriv.cur_channel)
1296 goto _mismatch;
1297
1298 /* checking SSID */
1299 ssid_len = 0;
1300 p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->IELength - _FIXED_IE_LENGTH_);
1301 if (p) {
1302 ssid_len = *(p + 1);
1303 if (ssid_len > NDIS_802_11_LENGTH_SSID)
1304 ssid_len = 0;
1305 }
1306 memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len);
1307 bssid->Ssid.SsidLength = ssid_len;
1308
1309 if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
1310 bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength)
1311 if (bssid->Ssid.Ssid[0] != '\0' &&
1312 bssid->Ssid.SsidLength != 0) /* not hidden ssid */
1313 goto _mismatch;
1314
1315 /* check encryption info */
1316 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1317
1318 if (val16 & BIT(4))
1319 bssid->Privacy = 1;
1320 else
1321 bssid->Privacy = 0;
1322
1323 if (cur_network->network.Privacy != bssid->Privacy)
1324 goto _mismatch;
1325
1326 rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1327
1328 if (rsn_len > 0)
1329 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1330 else if (wpa_len > 0)
1331 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1332 else
1333 if (bssid->Privacy)
1334 encryp_protocol = ENCRYP_PROTOCOL_WEP;
1335
1336 if (cur_network->BcnInfo.encryp_protocol != encryp_protocol)
1337 goto _mismatch;
1338
1339 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1340 pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1341 if (pbuf && (wpa_ielen > 0)) {
1342 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher,
1343 &pairwise_cipher, &is_8021x);
1344 } else {
1345 pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1346
1347 if (pbuf && (wpa_ielen > 0))
1348 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher,
1349 &pairwise_cipher, &is_8021x);
1350 }
1351
1352 if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher ||
1353 group_cipher != cur_network->BcnInfo.group_cipher)
1354 goto _mismatch;
1355
1356 if (is_8021x != cur_network->BcnInfo.is_8021x)
1357 goto _mismatch;
1358 }
1359
1360 kfree(bssid);
1361 return _SUCCESS;
1362
1363 _mismatch:
1364 kfree(bssid);
1365
1366 if (pmlmepriv->NumOfBcnInfoChkFail == 0)
1367 pmlmepriv->timeBcnInfoChkStart = jiffies;
1368
1369 pmlmepriv->NumOfBcnInfoChkFail++;
1370
1371 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)
1372 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) {
1373 pmlmepriv->timeBcnInfoChkStart = 0;
1374 pmlmepriv->NumOfBcnInfoChkFail = 0;
1375 return _FAIL;
1376 }
1377
1378 return _SUCCESS;
1379 }
1380
update_beacon_info(struct adapter * padapter,u8 * pframe,uint pkt_len,struct sta_info * psta)1381 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1382 {
1383 unsigned int i;
1384 unsigned int len;
1385 struct ndis_80211_var_ie *pIE;
1386
1387 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1388
1389 for (i = 0; i < len;) {
1390 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1391
1392 switch (pIE->ElementID) {
1393 case WLAN_EID_VENDOR_SPECIFIC:
1394 /* to update WMM parameter set while receiving beacon */
1395 if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->Length == WLAN_WMM_LEN) /* WMM */
1396 if (WMM_param_handler(padapter, pIE))
1397 report_wmm_edca_update(padapter);
1398
1399 break;
1400
1401 case WLAN_EID_HT_OPERATION: /* HT info */
1402 /* HT_info_handler(padapter, pIE); */
1403 bwmode_update_check(padapter, pIE);
1404 break;
1405
1406 case WLAN_EID_ERP_INFO:
1407 ERP_IE_handler(padapter, pIE);
1408 VCS_update(padapter, psta);
1409 break;
1410
1411 default:
1412 break;
1413 }
1414
1415 i += (pIE->Length + 2);
1416 }
1417 }
1418
is_ap_in_tkip(struct adapter * padapter)1419 unsigned int is_ap_in_tkip(struct adapter *padapter)
1420 {
1421 u32 i;
1422 struct ndis_80211_var_ie *pIE;
1423 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1424 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1425 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1426
1427 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1428 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.IELength;) {
1429 pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.IEs + i);
1430
1431 switch (pIE->ElementID) {
1432 case WLAN_EID_VENDOR_SPECIFIC:
1433 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1434 return true;
1435
1436 break;
1437
1438 case WLAN_EID_RSN:
1439 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1440 return true;
1441 break;
1442
1443 default:
1444 break;
1445 }
1446
1447 i += (pIE->Length + 2);
1448 }
1449
1450 return false;
1451 } else {
1452 return false;
1453 }
1454 }
1455
support_short_GI(struct adapter * padapter,struct HT_caps_element * pHT_caps,u8 bwmode)1456 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode)
1457 {
1458 unsigned char bit_offset;
1459 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1460 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1461
1462 if (!(pmlmeinfo->HT_enable))
1463 return _FAIL;
1464
1465 bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5;
1466
1467 if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1468 return _SUCCESS;
1469 else
1470 return _FAIL;
1471 }
1472
get_highest_rate_idx(u32 mask)1473 unsigned char get_highest_rate_idx(u32 mask)
1474 {
1475 int i;
1476 unsigned char rate_idx = 0;
1477
1478 for (i = 31; i >= 0; i--) {
1479 if (mask & BIT(i)) {
1480 rate_idx = i;
1481 break;
1482 }
1483 }
1484
1485 return rate_idx;
1486 }
1487
Update_RA_Entry(struct adapter * padapter,struct sta_info * psta)1488 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
1489 {
1490 rtw_hal_update_ra_mask(psta, 0);
1491 }
1492
set_sta_rate(struct adapter * padapter,struct sta_info * psta)1493 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1494 {
1495 /* rate adaptive */
1496 Update_RA_Entry(padapter, psta);
1497 }
1498
check_assoc_AP(u8 * pframe,uint len)1499 unsigned char check_assoc_AP(u8 *pframe, uint len)
1500 {
1501 unsigned int i;
1502 struct ndis_80211_var_ie *pIE;
1503
1504 for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) {
1505 pIE = (struct ndis_80211_var_ie *)(pframe + i);
1506
1507 switch (pIE->ElementID) {
1508 case WLAN_EID_VENDOR_SPECIFIC:
1509 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1510 return HT_IOT_PEER_ATHEROS;
1511 } else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1512 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
1513 (!memcmp(pIE->data, BROADCOM_OUI3, 3))) {
1514 return HT_IOT_PEER_BROADCOM;
1515 } else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1516 return HT_IOT_PEER_MARVELL;
1517 } else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1518 return HT_IOT_PEER_RALINK;
1519 } else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1520 return HT_IOT_PEER_CISCO;
1521 } else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1522 u32 Vender = HT_IOT_PEER_REALTEK;
1523
1524 if (pIE->Length >= 5) {
1525 if (pIE->data[4] == 1)
1526 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */
1527 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */
1528 if (pIE->data[5] & RT_HT_CAP_USE_92SE)
1529 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */
1530 Vender = HT_IOT_PEER_REALTEK_92SE;
1531
1532 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP)
1533 Vender = HT_IOT_PEER_REALTEK_SOFTAP;
1534
1535 if (pIE->data[4] == 2) {
1536 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT)
1537 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP;
1538
1539 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT)
1540 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
1541 }
1542 }
1543
1544 return Vender;
1545 } else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1546 return HT_IOT_PEER_AIRGO;
1547 } else {
1548 break;
1549 }
1550
1551 default:
1552 break;
1553 }
1554
1555 i += (pIE->Length + 2);
1556 }
1557
1558 return HT_IOT_PEER_UNKNOWN;
1559 }
1560
update_IOT_info(struct adapter * padapter)1561 void update_IOT_info(struct adapter *padapter)
1562 {
1563 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1564 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1565
1566 switch (pmlmeinfo->assoc_AP_vendor) {
1567 case HT_IOT_PEER_MARVELL:
1568 pmlmeinfo->turboMode_cts2self = 1;
1569 pmlmeinfo->turboMode_rtsen = 0;
1570 break;
1571
1572 case HT_IOT_PEER_RALINK:
1573 pmlmeinfo->turboMode_cts2self = 0;
1574 pmlmeinfo->turboMode_rtsen = 1;
1575 /* disable high power */
1576 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1577 break;
1578 case HT_IOT_PEER_REALTEK:
1579 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1580 /* rtw_write16(padapter, 0x546, 0x01c0); */
1581 /* disable high power */
1582 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1583 break;
1584 default:
1585 pmlmeinfo->turboMode_cts2self = 0;
1586 pmlmeinfo->turboMode_rtsen = 1;
1587 break;
1588 }
1589 }
1590
update_capinfo(struct adapter * Adapter,u16 updateCap)1591 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1592 {
1593 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1594 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1595 bool ShortPreamble;
1596
1597 /* Check preamble mode, 2005.01.06, by rcnjko. */
1598 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */
1599 /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */
1600 {
1601 if (updateCap & cShortPreamble) {
1602 /* Short Preamble */
1603 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */
1604 ShortPreamble = true;
1605 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1606 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1607 }
1608 } else {
1609 /* Long Preamble */
1610 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */
1611 ShortPreamble = false;
1612 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1613 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1614 }
1615 }
1616 }
1617
1618 if (updateCap & cIBSS) {
1619 /* Filen: See 802.11-2007 p.91 */
1620 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1621 } else {
1622 /* Filen: See 802.11-2007 p.90 */
1623 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N | WIRELESS_11A | WIRELESS_11_5N | WIRELESS_11AC)) {
1624 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1625 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
1626 if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */)
1627 /* Short Slot Time */
1628 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1629 else
1630 /* Long Slot Time */
1631 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1632 } else {
1633 /* B Mode */
1634 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1635 }
1636 }
1637
1638 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1639 }
1640
update_wireless_mode(struct adapter * padapter)1641 void update_wireless_mode(struct adapter *padapter)
1642 {
1643 int network_type = 0;
1644 u32 SIFS_Timer;
1645 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1646 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1647 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1648 unsigned char *rate = cur_network->SupportedRates;
1649
1650 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1651 pmlmeinfo->HT_enable = 1;
1652
1653 if (pmlmeinfo->VHT_enable)
1654 network_type = WIRELESS_11AC;
1655 else if (pmlmeinfo->HT_enable)
1656 network_type = WIRELESS_11_24N;
1657
1658 if (rtw_is_cckratesonly_included(rate))
1659 network_type |= WIRELESS_11B;
1660 else if (rtw_is_cckrates_included(rate))
1661 network_type |= WIRELESS_11BG;
1662 else
1663 network_type |= WIRELESS_11G;
1664
1665 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1666
1667 SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1668 /* change this value if having IOT issues. */
1669
1670 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
1671
1672 padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode));
1673
1674 if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1675 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1676 else
1677 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1678 }
1679
update_sta_basic_rate(struct sta_info * psta,u8 wireless_mode)1680 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
1681 {
1682 if (IsSupportedTxCCK(wireless_mode)) {
1683 /* Only B, B/G, and B/G/N AP could use CCK rate */
1684 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4);
1685 psta->bssratelen = 4;
1686 } else {
1687 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3);
1688 psta->bssratelen = 3;
1689 }
1690 }
1691
update_sta_support_rate(struct adapter * padapter,u8 * pvar_ie,uint var_ie_len,int cam_idx)1692 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1693 {
1694 unsigned int ie_len;
1695 struct ndis_80211_var_ie *pIE;
1696 int supportRateNum = 0;
1697 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1698 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1699
1700 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len);
1701 if (!pIE)
1702 return _FAIL;
1703 if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates))
1704 return _FAIL;
1705
1706 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1707 supportRateNum = ie_len;
1708
1709 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len);
1710 if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum))
1711 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1712
1713 return _SUCCESS;
1714 }
1715
process_addba_req(struct adapter * padapter,u8 * paddba_req,u8 * addr)1716 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1717 {
1718 struct sta_info *psta;
1719 u16 tid, start_seq, param;
1720 struct recv_reorder_ctrl *preorder_ctrl;
1721 struct sta_priv *pstapriv = &padapter->stapriv;
1722 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1723 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1724 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1725
1726 psta = rtw_get_stainfo(pstapriv, addr);
1727
1728 if (psta) {
1729 start_seq = le16_to_cpu(preq->BA_starting_seqctrl) >> 4;
1730
1731 param = le16_to_cpu(preq->BA_para_set);
1732 tid = (param>>2)&0x0f;
1733
1734 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1735
1736 preorder_ctrl->indicate_seq = 0xffff;
1737
1738 preorder_ctrl->enable = pmlmeinfo->accept_addba_req;
1739 }
1740 }
1741
update_TSF(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1742 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1743 {
1744 u8 *pIE;
1745 __le32 *pbuf;
1746
1747 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1748 pbuf = (__le32 *)pIE;
1749
1750 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1751
1752 pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1753
1754 pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1755 }
1756
correct_TSF(struct adapter * padapter,struct mlme_ext_priv * pmlmeext)1757 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1758 {
1759 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1760 }
1761
adaptive_early_32k(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1762 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1763 {
1764 int i;
1765 u8 *pIE;
1766 __le32 *pbuf;
1767 u64 tsf = 0;
1768 u32 delay_ms;
1769 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1770
1771 pmlmeext->bcn_cnt++;
1772
1773 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1774 pbuf = (__le32 *)pIE;
1775
1776 tsf = le32_to_cpu(*(pbuf+1));
1777 tsf = tsf << 32;
1778 tsf |= le32_to_cpu(*pbuf);
1779
1780 /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */
1781 /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */
1782 delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024));
1783 delay_ms = delay_ms/1000;
1784
1785 if (delay_ms >= 8)
1786 pmlmeext->bcn_delay_cnt[8]++;
1787 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */
1788 else
1789 pmlmeext->bcn_delay_cnt[delay_ms]++;
1790 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */
1791
1792 /*
1793
1794 for (i = 0; i<9; i++)
1795 {
1796 pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]);
1797 }
1798 */
1799
1800 /* dump for adaptive_early_32k */
1801 if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) {
1802 u8 ratio_20_delay, ratio_80_delay;
1803 u8 DrvBcnEarly, DrvBcnTimeOut;
1804
1805 ratio_20_delay = 0;
1806 ratio_80_delay = 0;
1807 DrvBcnEarly = 0xff;
1808 DrvBcnTimeOut = 0xff;
1809
1810 for (i = 0; i < 9; i++) {
1811 pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
1812
1813 ratio_20_delay += pmlmeext->bcn_delay_ratio[i];
1814 ratio_80_delay += pmlmeext->bcn_delay_ratio[i];
1815
1816 if (ratio_20_delay > 20 && DrvBcnEarly == 0xff)
1817 DrvBcnEarly = i;
1818
1819 if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff)
1820 DrvBcnTimeOut = i;
1821
1822 /* reset adaptive_early_32k cnt */
1823 pmlmeext->bcn_delay_cnt[i] = 0;
1824 pmlmeext->bcn_delay_ratio[i] = 0;
1825 }
1826
1827 pmlmeext->DrvBcnEarly = DrvBcnEarly;
1828 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut;
1829
1830 pmlmeext->bcn_cnt = 0;
1831 }
1832 }
1833
rtw_alloc_macid(struct adapter * padapter,struct sta_info * psta)1834 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
1835 {
1836 int i;
1837 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1838 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1839
1840 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
1841 return;
1842
1843 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) {
1844 psta->mac_id = NUM_STA;
1845 return;
1846 }
1847
1848 spin_lock_bh(&pdvobj->lock);
1849 for (i = 0; i < NUM_STA; i++) {
1850 if (pdvobj->macid[i] == false) {
1851 pdvobj->macid[i] = true;
1852 break;
1853 }
1854 }
1855 spin_unlock_bh(&pdvobj->lock);
1856
1857 if (i > (NUM_STA - 1))
1858 psta->mac_id = NUM_STA;
1859 else
1860 psta->mac_id = i;
1861 }
1862
rtw_release_macid(struct adapter * padapter,struct sta_info * psta)1863 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
1864 {
1865 u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
1866 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1867
1868 if (!memcmp(psta->hwaddr, bc_addr, ETH_ALEN))
1869 return;
1870
1871 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN))
1872 return;
1873
1874 spin_lock_bh(&pdvobj->lock);
1875 if (psta->mac_id < NUM_STA && psta->mac_id != 1) {
1876 if (pdvobj->macid[psta->mac_id] == true) {
1877 pdvobj->macid[psta->mac_id] = false;
1878 psta->mac_id = NUM_STA;
1879 }
1880 }
1881 spin_unlock_bh(&pdvobj->lock);
1882 }
1883
1884 /* For 8188E RA */
rtw_search_max_mac_id(struct adapter * padapter)1885 u8 rtw_search_max_mac_id(struct adapter *padapter)
1886 {
1887 u8 max_mac_id = 0;
1888 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1889 int i;
1890
1891 spin_lock_bh(&pdvobj->lock);
1892 for (i = (NUM_STA-1); i >= 0 ; i--) {
1893 if (pdvobj->macid[i] == true)
1894 break;
1895 }
1896 max_mac_id = i;
1897 spin_unlock_bh(&pdvobj->lock);
1898
1899 return max_mac_id;
1900 }
1901
dvobj_get_port0_adapter(struct dvobj_priv * dvobj)1902 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj)
1903 {
1904 if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0)
1905 return NULL;
1906
1907 return dvobj->padapters;
1908 }
1909