1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3 *
4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5 *
6 ******************************************************************************/
7
8 #include <drv_types.h>
9 #include <hal_com_h2c.h>
10
11 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
12 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
13
14 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
15 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
16 static unsigned char BROADCOM_OUI3[] = {0x00, 0x05, 0xb5};
17
18 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
19 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
20 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
21 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
22 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
23 static unsigned char RSN_TKIP_CIPHER[4] = {0x00, 0x0f, 0xac, 0x02};
24 static unsigned char WPA_TKIP_CIPHER[4] = {0x00, 0x50, 0xf2, 0x02};
25
26 /* define WAIT_FOR_BCN_TO_MIN (3000) */
27 #define WAIT_FOR_BCN_TO_MIN (6000)
28 #define WAIT_FOR_BCN_TO_MAX (20000)
29
30 #define DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS 1000
31 #define DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD 3
32
33 static u8 rtw_basic_rate_cck[4] = {
34 IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK,
35 IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
36 IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK,
37 IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
38 };
39
40 static u8 rtw_basic_rate_ofdm[3] = {
41 IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK,
42 IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
43 IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
44 };
45
networktype_to_raid_ex(struct adapter * adapter,struct sta_info * psta)46 u8 networktype_to_raid_ex(struct adapter *adapter, struct sta_info *psta)
47 {
48 u8 raid;
49
50 switch (psta->wireless_mode) {
51 case WIRELESS_11B:
52 raid = RATEID_IDX_B;
53 break;
54 case WIRELESS_11G:
55 raid = RATEID_IDX_G;
56 break;
57 case WIRELESS_11BG:
58 raid = RATEID_IDX_BG;
59 break;
60 case WIRELESS_11_24N:
61 case WIRELESS_11G_24N:
62 raid = RATEID_IDX_GN_N1SS;
63 break;
64 case WIRELESS_11B_24N:
65 case WIRELESS_11BG_24N:
66 if (psta->bw_mode == CHANNEL_WIDTH_20) {
67 raid = RATEID_IDX_BGN_20M_1SS_BN;
68 } else {
69 raid = RATEID_IDX_BGN_40M_1SS;
70 }
71 break;
72 default:
73 raid = RATEID_IDX_BGN_40M_2SS;
74 break;
75 }
76 return raid;
77 }
78
79 unsigned char ratetbl_val_2wifirate(unsigned char rate);
ratetbl_val_2wifirate(unsigned char rate)80 unsigned char ratetbl_val_2wifirate(unsigned char rate)
81 {
82 switch (rate & 0x7f) {
83 case 0:
84 return IEEE80211_CCK_RATE_1MB;
85 case 1:
86 return IEEE80211_CCK_RATE_2MB;
87 case 2:
88 return IEEE80211_CCK_RATE_5MB;
89 case 3:
90 return IEEE80211_CCK_RATE_11MB;
91 case 4:
92 return IEEE80211_OFDM_RATE_6MB;
93 case 5:
94 return IEEE80211_OFDM_RATE_9MB;
95 case 6:
96 return IEEE80211_OFDM_RATE_12MB;
97 case 7:
98 return IEEE80211_OFDM_RATE_18MB;
99 case 8:
100 return IEEE80211_OFDM_RATE_24MB;
101 case 9:
102 return IEEE80211_OFDM_RATE_36MB;
103 case 10:
104 return IEEE80211_OFDM_RATE_48MB;
105 case 11:
106 return IEEE80211_OFDM_RATE_54MB;
107 default:
108 return 0;
109 }
110 }
111
112 int is_basicrate(struct adapter *padapter, unsigned char rate);
is_basicrate(struct adapter * padapter,unsigned char rate)113 int is_basicrate(struct adapter *padapter, unsigned char rate)
114 {
115 int i;
116 unsigned char val;
117 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
118
119 for (i = 0; i < NumRates; i++) {
120 val = pmlmeext->basicrate[i];
121
122 if ((val != 0xff) && (val != 0xfe))
123 if (rate == ratetbl_val_2wifirate(val))
124 return true;
125 }
126
127 return false;
128 }
129
130 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset);
ratetbl2rateset(struct adapter * padapter,unsigned char * rateset)131 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
132 {
133 int i;
134 unsigned char rate;
135 unsigned int len = 0;
136 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
137
138 for (i = 0; i < NumRates; i++) {
139 rate = pmlmeext->datarate[i];
140
141 switch (rate) {
142 case 0xff:
143 return len;
144
145 case 0xfe:
146 continue;
147
148 default:
149 rate = ratetbl_val_2wifirate(rate);
150
151 if (is_basicrate(padapter, rate) == true)
152 rate |= IEEE80211_BASIC_RATE_MASK;
153
154 rateset[len] = rate;
155 len++;
156 break;
157 }
158 }
159 return len;
160 }
161
get_rate_set(struct adapter * padapter,unsigned char * pbssrate,int * bssrate_len)162 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
163 {
164 unsigned char supportedrates[NumRates];
165
166 memset(supportedrates, 0, NumRates);
167 *bssrate_len = ratetbl2rateset(padapter, supportedrates);
168 memcpy(pbssrate, supportedrates, *bssrate_len);
169 }
170
set_mcs_rate_by_mask(u8 * mcs_set,u32 mask)171 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask)
172 {
173 u8 mcs_rate_1r = (u8)(mask&0xff);
174 u8 mcs_rate_2r = (u8)((mask>>8)&0xff);
175 u8 mcs_rate_3r = (u8)((mask>>16)&0xff);
176 u8 mcs_rate_4r = (u8)((mask>>24)&0xff);
177
178 mcs_set[0] &= mcs_rate_1r;
179 mcs_set[1] &= mcs_rate_2r;
180 mcs_set[2] &= mcs_rate_3r;
181 mcs_set[3] &= mcs_rate_4r;
182 }
183
UpdateBrateTbl(struct adapter * Adapter,u8 * mBratesOS)184 void UpdateBrateTbl(struct adapter *Adapter, u8 *mBratesOS)
185 {
186 u8 i;
187 u8 rate;
188
189 /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
190 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
191 rate = mBratesOS[i] & 0x7f;
192 switch (rate) {
193 case IEEE80211_CCK_RATE_1MB:
194 case IEEE80211_CCK_RATE_2MB:
195 case IEEE80211_CCK_RATE_5MB:
196 case IEEE80211_CCK_RATE_11MB:
197 case IEEE80211_OFDM_RATE_6MB:
198 case IEEE80211_OFDM_RATE_12MB:
199 case IEEE80211_OFDM_RATE_24MB:
200 mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK;
201 break;
202 }
203 }
204 }
205
UpdateBrateTblForSoftAP(u8 * bssrateset,u32 bssratelen)206 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
207 {
208 u8 i;
209 u8 rate;
210
211 for (i = 0; i < bssratelen; i++) {
212 rate = bssrateset[i] & 0x7f;
213 switch (rate) {
214 case IEEE80211_CCK_RATE_1MB:
215 case IEEE80211_CCK_RATE_2MB:
216 case IEEE80211_CCK_RATE_5MB:
217 case IEEE80211_CCK_RATE_11MB:
218 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
219 break;
220 }
221 }
222 }
223
Save_DM_Func_Flag(struct adapter * padapter)224 void Save_DM_Func_Flag(struct adapter *padapter)
225 {
226 u8 bSaveFlag = true;
227
228 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
229 }
230
Restore_DM_Func_Flag(struct adapter * padapter)231 void Restore_DM_Func_Flag(struct adapter *padapter)
232 {
233 u8 bSaveFlag = false;
234
235 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
236 }
237
Switch_DM_Func(struct adapter * padapter,u32 mode,u8 enable)238 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
239 {
240 if (enable == true)
241 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
242 else
243 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
244 }
245
Set_MSR(struct adapter * padapter,u8 type)246 void Set_MSR(struct adapter *padapter, u8 type)
247 {
248 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
249 }
250
rtw_get_oper_ch(struct adapter * adapter)251 inline u8 rtw_get_oper_ch(struct adapter *adapter)
252 {
253 return adapter_to_dvobj(adapter)->oper_channel;
254 }
255
rtw_set_oper_ch(struct adapter * adapter,u8 ch)256 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
257 {
258 #ifdef DBG_CH_SWITCH
259 const int len = 128;
260 char msg[128] = {0};
261 int cnt = 0;
262 int i = 0;
263 #endif /* DBG_CH_SWITCH */
264 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
265
266 if (dvobj->oper_channel != ch) {
267 dvobj->on_oper_ch_time = jiffies;
268
269 #ifdef DBG_CH_SWITCH
270 cnt += scnprintf(msg+cnt, len-cnt, "switch to ch %3u", ch);
271
272 for (i = 0; i < dvobj->iface_nums; i++) {
273 struct adapter *iface = dvobj->padapters[i];
274
275 cnt += scnprintf(msg+cnt, len-cnt, " [%s:", ADPT_ARG(iface));
276 if (iface->mlmeextpriv.cur_channel == ch)
277 cnt += scnprintf(msg+cnt, len-cnt, "C");
278 else
279 cnt += scnprintf(msg+cnt, len-cnt, "_");
280 if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
281 cnt += scnprintf(msg+cnt, len-cnt, "L");
282 else
283 cnt += scnprintf(msg+cnt, len-cnt, "_");
284 cnt += scnprintf(msg+cnt, len-cnt, "]");
285 }
286
287 #endif /* DBG_CH_SWITCH */
288 }
289
290 dvobj->oper_channel = ch;
291 }
292
rtw_set_oper_bw(struct adapter * adapter,u8 bw)293 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
294 {
295 adapter_to_dvobj(adapter)->oper_bwmode = bw;
296 }
297
rtw_set_oper_choffset(struct adapter * adapter,u8 offset)298 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
299 {
300 adapter_to_dvobj(adapter)->oper_ch_offset = offset;
301 }
302
rtw_get_center_ch(u8 channel,u8 chnl_bw,u8 chnl_offset)303 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset)
304 {
305 u8 center_ch = channel;
306
307 if (chnl_bw == CHANNEL_WIDTH_40) {
308 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
309 center_ch = channel + 2;
310 else
311 center_ch = channel - 2;
312 }
313
314 return center_ch;
315 }
316
rtw_get_on_cur_ch_time(struct adapter * adapter)317 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter)
318 {
319 if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel)
320 return adapter_to_dvobj(adapter)->on_oper_ch_time;
321 else
322 return 0;
323 }
324
r8723bs_select_channel(struct adapter * padapter,unsigned char channel)325 void r8723bs_select_channel(struct adapter *padapter, unsigned char channel)
326 {
327 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
328 return;
329
330 /* saved channel info */
331 rtw_set_oper_ch(padapter, channel);
332
333 rtw_hal_set_chan(padapter, channel);
334
335 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
336 }
337
set_channel_bwmode(struct adapter * padapter,unsigned char channel,unsigned char channel_offset,unsigned short bwmode)338 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
339 {
340 u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
341
342 center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
343
344
345 /* set Channel */
346 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
347 return;
348
349 /* saved channel/bw info */
350 rtw_set_oper_ch(padapter, channel);
351 rtw_set_oper_bw(padapter, bwmode);
352 rtw_set_oper_choffset(padapter, channel_offset);
353
354 rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /* set center channel */
355
356 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
357 }
358
get_my_bssid(struct wlan_bssid_ex * pnetwork)359 inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
360 {
361 return pnetwork->mac_address;
362 }
363
get_beacon_interval(struct wlan_bssid_ex * bss)364 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
365 {
366 __le16 val;
367
368 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->ies), 2);
369
370 return le16_to_cpu(val);
371 }
372
is_client_associated_to_ap(struct adapter * padapter)373 int is_client_associated_to_ap(struct adapter *padapter)
374 {
375 struct mlme_ext_priv *pmlmeext;
376 struct mlme_ext_info *pmlmeinfo;
377
378 if (!padapter)
379 return _FAIL;
380
381 pmlmeext = &padapter->mlmeextpriv;
382 pmlmeinfo = &(pmlmeext->mlmext_info);
383
384 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
385 return true;
386 else
387 return _FAIL;
388 }
389
is_client_associated_to_ibss(struct adapter * padapter)390 int is_client_associated_to_ibss(struct adapter *padapter)
391 {
392 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
393 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
394
395 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
396 return true;
397 else
398 return _FAIL;
399 }
400
is_IBSS_empty(struct adapter * padapter)401 int is_IBSS_empty(struct adapter *padapter)
402 {
403 unsigned int i;
404 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
405 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
406
407 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
408 if (pmlmeinfo->FW_sta_info[i].status == 1)
409 return _FAIL;
410 }
411
412 return true;
413 }
414
decide_wait_for_beacon_timeout(unsigned int bcn_interval)415 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
416 {
417 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
418 return WAIT_FOR_BCN_TO_MIN;
419 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
420 return WAIT_FOR_BCN_TO_MAX;
421 else
422 return bcn_interval << 2;
423 }
424
invalidate_cam_all(struct adapter * padapter)425 void invalidate_cam_all(struct adapter *padapter)
426 {
427 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
428 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
429
430 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
431
432 spin_lock_bh(&cam_ctl->lock);
433 cam_ctl->bitmap = 0;
434 memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY);
435 spin_unlock_bh(&cam_ctl->lock);
436 }
437
_write_cam(struct adapter * padapter,u8 entry,u16 ctrl,u8 * mac,u8 * key)438 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
439 {
440 unsigned int i, val, addr;
441 int j;
442 u32 cam_val[2];
443
444 addr = entry << 3;
445
446 for (j = 5; j >= 0; j--) {
447 switch (j) {
448 case 0:
449 val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
450 break;
451 case 1:
452 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
453 break;
454 default:
455 i = (j - 2) << 2;
456 val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
457 break;
458 }
459
460 cam_val[0] = val;
461 cam_val[1] = addr + (unsigned int)j;
462
463 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
464 }
465 }
466
_clear_cam_entry(struct adapter * padapter,u8 entry)467 void _clear_cam_entry(struct adapter *padapter, u8 entry)
468 {
469 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
470 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
471
472 _write_cam(padapter, entry, 0, null_sta, null_key);
473 }
474
write_cam(struct adapter * adapter,u8 id,u16 ctrl,u8 * mac,u8 * key)475 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
476 {
477 _write_cam(adapter, id, ctrl, mac, key);
478 write_cam_cache(adapter, id, ctrl, mac, key);
479 }
480
clear_cam_entry(struct adapter * adapter,u8 id)481 inline void clear_cam_entry(struct adapter *adapter, u8 id)
482 {
483 _clear_cam_entry(adapter, id);
484 clear_cam_cache(adapter, id);
485 }
486
write_cam_cache(struct adapter * adapter,u8 id,u16 ctrl,u8 * mac,u8 * key)487 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
488 {
489 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
490 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
491
492 spin_lock_bh(&cam_ctl->lock);
493
494 dvobj->cam_cache[id].ctrl = ctrl;
495 memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN);
496 memcpy(dvobj->cam_cache[id].key, key, 16);
497
498 spin_unlock_bh(&cam_ctl->lock);
499 }
500
clear_cam_cache(struct adapter * adapter,u8 id)501 void clear_cam_cache(struct adapter *adapter, u8 id)
502 {
503 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
504 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
505
506 spin_lock_bh(&cam_ctl->lock);
507
508 memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache));
509
510 spin_unlock_bh(&cam_ctl->lock);
511 }
512
_rtw_camid_is_gk(struct adapter * adapter,u8 cam_id)513 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id)
514 {
515 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
516 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
517 bool ret = false;
518
519 if (cam_id >= TOTAL_CAM_ENTRY)
520 goto exit;
521
522 if (!(cam_ctl->bitmap & BIT(cam_id)))
523 goto exit;
524
525 ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false;
526
527 exit:
528 return ret;
529 }
530
_rtw_camid_search(struct adapter * adapter,u8 * addr,s16 kid)531 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
532 {
533 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
534 int i;
535 s16 cam_id = -1;
536
537 for (i = 0; i < TOTAL_CAM_ENTRY; i++) {
538 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN))
539 continue;
540 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03))
541 continue;
542
543 cam_id = i;
544 break;
545 }
546
547 return cam_id;
548 }
549
rtw_camid_search(struct adapter * adapter,u8 * addr,s16 kid)550 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
551 {
552 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
553 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
554 s16 cam_id = -1;
555
556 spin_lock_bh(&cam_ctl->lock);
557 cam_id = _rtw_camid_search(adapter, addr, kid);
558 spin_unlock_bh(&cam_ctl->lock);
559
560 return cam_id;
561 }
562
rtw_camid_alloc(struct adapter * adapter,struct sta_info * sta,u8 kid)563 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid)
564 {
565 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
566 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
567 s16 cam_id = -1;
568 struct mlme_ext_info *mlmeinfo;
569
570 spin_lock_bh(&cam_ctl->lock);
571
572 mlmeinfo = &adapter->mlmeextpriv.mlmext_info;
573
574 if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
575 && !sta) {
576 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */
577 if (kid > 3) {
578 netdev_dbg(adapter->pnetdev,
579 FUNC_ADPT_FMT " group key with invalid key id:%u\n",
580 FUNC_ADPT_ARG(adapter), kid);
581 rtw_warn_on(1);
582 goto bitmap_handle;
583 }
584
585 cam_id = kid;
586 } else {
587 int i;
588 u8 *addr = sta?sta->hwaddr:NULL;
589
590 if (!sta) {
591 if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
592 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */
593 goto bitmap_handle;
594 }
595
596 addr = get_bssid(&adapter->mlmepriv);
597 }
598
599 i = _rtw_camid_search(adapter, addr, kid);
600 if (i >= 0) {
601 /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */
602 if (sta || _rtw_camid_is_gk(adapter, i))
603 cam_id = i;
604 else
605 netdev_dbg(adapter->pnetdev,
606 FUNC_ADPT_FMT " group key id:%u the same key id as pairwise key\n",
607 FUNC_ADPT_ARG(adapter), kid);
608 goto bitmap_handle;
609 }
610
611 for (i = 4; i < TOTAL_CAM_ENTRY; i++)
612 if (!(cam_ctl->bitmap & BIT(i)))
613 break;
614
615 if (i == TOTAL_CAM_ENTRY) {
616 if (sta)
617 netdev_dbg(adapter->pnetdev,
618 FUNC_ADPT_FMT " pairwise key with %pM id:%u no room\n",
619 FUNC_ADPT_ARG(adapter),
620 MAC_ARG(sta->hwaddr), kid);
621 else
622 netdev_dbg(adapter->pnetdev,
623 FUNC_ADPT_FMT " group key id:%u no room\n",
624 FUNC_ADPT_ARG(adapter), kid);
625 rtw_warn_on(1);
626 goto bitmap_handle;
627 }
628
629 cam_id = i;
630 }
631
632 bitmap_handle:
633 if (cam_id >= 0 && cam_id < 32)
634 cam_ctl->bitmap |= BIT(cam_id);
635
636 spin_unlock_bh(&cam_ctl->lock);
637
638 return cam_id;
639 }
640
rtw_camid_free(struct adapter * adapter,u8 cam_id)641 void rtw_camid_free(struct adapter *adapter, u8 cam_id)
642 {
643 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
644 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
645
646 spin_lock_bh(&cam_ctl->lock);
647
648 if (cam_id < TOTAL_CAM_ENTRY)
649 cam_ctl->bitmap &= ~(BIT(cam_id));
650
651 spin_unlock_bh(&cam_ctl->lock);
652 }
653
allocate_fw_sta_entry(struct adapter * padapter)654 int allocate_fw_sta_entry(struct adapter *padapter)
655 {
656 unsigned int mac_id;
657 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
658 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
659
660 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
661 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
662 pmlmeinfo->FW_sta_info[mac_id].status = 1;
663 pmlmeinfo->FW_sta_info[mac_id].retry = 0;
664 break;
665 }
666 }
667
668 return mac_id;
669 }
670
flush_all_cam_entry(struct adapter * padapter)671 void flush_all_cam_entry(struct adapter *padapter)
672 {
673 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
674 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
675
676 invalidate_cam_all(padapter);
677 /* clear default key related key search setting */
678 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false);
679
680 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
681 }
682
WMM_param_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)683 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
684 {
685 /* struct registry_priv *pregpriv = &padapter->registrypriv; */
686 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
687 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
688 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
689
690 if (pmlmepriv->qospriv.qos_option == 0) {
691 pmlmeinfo->WMM_enable = 0;
692 return false;
693 }
694
695 if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)))
696 return false;
697 else
698 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
699
700 pmlmeinfo->WMM_enable = 1;
701 return true;
702 }
703
sort_wmm_ac_params(u32 * inx,u32 * edca)704 static void sort_wmm_ac_params(u32 *inx, u32 *edca)
705 {
706 u32 i, j, change_inx = false;
707
708 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
709 for (i = 0; i < 4; i++) {
710 for (j = i + 1; j < 4; j++) {
711 /* compare CW and AIFS */
712 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
713 change_inx = true;
714 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
715 /* compare TXOP */
716 if ((edca[j] >> 16) > (edca[i] >> 16))
717 change_inx = true;
718 }
719
720 if (change_inx) {
721 swap(edca[i], edca[j]);
722 swap(inx[i], inx[j]);
723
724 change_inx = false;
725 }
726 }
727 }
728 }
729
WMMOnAssocRsp(struct adapter * padapter)730 void WMMOnAssocRsp(struct adapter *padapter)
731 {
732 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
733 u8 acm_mask;
734 u16 TXOP;
735 u32 acParm, i;
736 u32 edca[4], inx[4];
737 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
738 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
739 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
740 struct registry_priv *pregpriv = &padapter->registrypriv;
741
742 acm_mask = 0;
743
744 if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N)
745 aSifsTime = 16;
746 else
747 aSifsTime = 10;
748
749 if (pmlmeinfo->WMM_enable == 0) {
750 padapter->mlmepriv.acm_mask = 0;
751
752 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
753
754 if (pmlmeext->cur_wireless_mode & WIRELESS_11G) {
755 ECWMin = 4;
756 ECWMax = 10;
757 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
758 ECWMin = 5;
759 ECWMax = 10;
760 } else {
761 ECWMin = 4;
762 ECWMax = 10;
763 }
764
765 TXOP = 0;
766 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
767 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
768 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
769 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
770
771 ECWMin = 2;
772 ECWMax = 3;
773 TXOP = 0x2f;
774 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
775 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
776 } else {
777 edca[0] = edca[1] = edca[2] = edca[3] = 0;
778
779 for (i = 0; i < 4; i++) {
780 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
781 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
782
783 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
784 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
785
786 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
787 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
788 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
789
790 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
791
792 switch (ACI) {
793 case 0x0:
794 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
795 acm_mask |= (ACM ? BIT(1):0);
796 edca[XMIT_BE_QUEUE] = acParm;
797 break;
798
799 case 0x1:
800 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
801 /* acm_mask |= (ACM? BIT(0):0); */
802 edca[XMIT_BK_QUEUE] = acParm;
803 break;
804
805 case 0x2:
806 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
807 acm_mask |= (ACM ? BIT(2):0);
808 edca[XMIT_VI_QUEUE] = acParm;
809 break;
810
811 case 0x3:
812 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
813 acm_mask |= (ACM ? BIT(3):0);
814 edca[XMIT_VO_QUEUE] = acParm;
815 break;
816 }
817 }
818
819 if (padapter->registrypriv.acm_method == 1)
820 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
821 else
822 padapter->mlmepriv.acm_mask = acm_mask;
823
824 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
825
826 if (pregpriv->wifi_spec == 1)
827 sort_wmm_ac_params(inx, edca);
828
829 for (i = 0; i < 4; i++)
830 pxmitpriv->wmm_para_seq[i] = inx[i];
831 }
832 }
833
bwmode_update_check(struct adapter * padapter,struct ndis_80211_var_ie * pIE)834 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
835 {
836 unsigned char new_bwmode;
837 unsigned char new_ch_offset;
838 struct HT_info_element *pHT_info;
839 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
840 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
841 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
842 struct registry_priv *pregistrypriv = &padapter->registrypriv;
843 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
844 u8 cbw40_enable = 0;
845
846 if (!pIE)
847 return;
848
849 if (phtpriv->ht_option == false)
850 return;
851
852 if (pIE->length > sizeof(struct HT_info_element))
853 return;
854
855 pHT_info = (struct HT_info_element *)pIE->data;
856
857 if (pmlmeext->cur_channel > 14) {
858 if ((pregistrypriv->bw_mode & 0xf0) > 0)
859 cbw40_enable = 1;
860 } else {
861 if ((pregistrypriv->bw_mode & 0x0f) > 0)
862 cbw40_enable = 1;
863 }
864
865 if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) {
866 new_bwmode = CHANNEL_WIDTH_40;
867
868 switch (pHT_info->infos[0] & 0x3) {
869 case 1:
870 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
871 break;
872
873 case 3:
874 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
875 break;
876
877 default:
878 new_bwmode = CHANNEL_WIDTH_20;
879 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
880 break;
881 }
882 } else {
883 new_bwmode = CHANNEL_WIDTH_20;
884 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
885 }
886
887 if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) {
888 pmlmeinfo->bwmode_updated = true;
889
890 pmlmeext->cur_bwmode = new_bwmode;
891 pmlmeext->cur_ch_offset = new_ch_offset;
892
893 /* update HT info also */
894 HT_info_handler(padapter, pIE);
895 } else {
896 pmlmeinfo->bwmode_updated = false;
897 }
898
899 if (true == pmlmeinfo->bwmode_updated) {
900 struct sta_info *psta;
901 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
902 struct sta_priv *pstapriv = &padapter->stapriv;
903
904 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
905
906 /* update ap's stainfo */
907 psta = rtw_get_stainfo(pstapriv, cur_network->mac_address);
908 if (psta) {
909 struct ht_priv *phtpriv_sta = &psta->htpriv;
910
911 if (phtpriv_sta->ht_option) {
912 /* bwmode */
913 psta->bw_mode = pmlmeext->cur_bwmode;
914 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
915 } else {
916 psta->bw_mode = CHANNEL_WIDTH_20;
917 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
918 }
919
920 rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
921 }
922 }
923 }
924
HT_caps_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)925 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
926 {
927 unsigned int i;
928 u8 max_AMPDU_len, min_MPDU_spacing;
929 u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
930 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
931 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
932 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
933 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
934
935 if (!pIE)
936 return;
937
938 if (phtpriv->ht_option == false)
939 return;
940
941 pmlmeinfo->HT_caps_enable = 1;
942
943 for (i = 0; i < (pIE->length); i++) {
944 if (i != 2) {
945 /* Commented by Albert 2010/07/12 */
946 /* Got the endian issue here. */
947 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
948 } else {
949 /* modify from fw by Thomas 2010/11/17 */
950 max_AMPDU_len = min(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3,
951 pIE->data[i] & 0x3);
952
953 min_MPDU_spacing = max(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c,
954 pIE->data[i] & 0x1c);
955
956 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
957 }
958 }
959
960 /* update the MCS set */
961 for (i = 0; i < 16; i++)
962 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
963
964 /* update the MCS rates */
965 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
966
967 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
968 /* Config STBC setting */
969 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
970 GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data))
971 SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX);
972
973 phtpriv->stbc_cap = cur_stbc_cap;
974 } else {
975 /* Config LDPC Coding Capability */
976 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) &&
977 GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data))
978 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
979
980 phtpriv->ldpc_cap = cur_ldpc_cap;
981
982 /* Config STBC setting */
983 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
984 GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data))
985 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
986
987 phtpriv->stbc_cap = cur_stbc_cap;
988 }
989 }
990
HT_info_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)991 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
992 {
993 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
994 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
995 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
996 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
997
998 if (!pIE)
999 return;
1000
1001 if (phtpriv->ht_option == false)
1002 return;
1003
1004 if (pIE->length > sizeof(struct HT_info_element))
1005 return;
1006
1007 pmlmeinfo->HT_info_enable = 1;
1008 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->length);
1009 }
1010
HTOnAssocRsp(struct adapter * padapter)1011 void HTOnAssocRsp(struct adapter *padapter)
1012 {
1013 unsigned char max_AMPDU_len;
1014 unsigned char min_MPDU_spacing;
1015 /* struct registry_priv *pregpriv = &padapter->registrypriv; */
1016 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1017 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1018
1019 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
1020 pmlmeinfo->HT_enable = 1;
1021 } else {
1022 pmlmeinfo->HT_enable = 0;
1023 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
1024 return;
1025 }
1026
1027 /* handle A-MPDU parameter field */
1028 /*
1029 AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1030 AMPDU_para [4:2]:Min MPDU Start Spacing
1031 */
1032 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
1033
1034 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
1035
1036 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
1037
1038 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
1039 }
1040
ERP_IE_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)1041 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1042 {
1043 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1044 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1045
1046 if (pIE->length > 1)
1047 return;
1048
1049 pmlmeinfo->ERP_enable = 1;
1050 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->length);
1051 }
1052
VCS_update(struct adapter * padapter,struct sta_info * psta)1053 void VCS_update(struct adapter *padapter, struct sta_info *psta)
1054 {
1055 struct registry_priv *pregpriv = &padapter->registrypriv;
1056 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1057 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1058
1059 switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */
1060 case 0: /* off */
1061 psta->rtsen = 0;
1062 psta->cts2self = 0;
1063 break;
1064
1065 case 1: /* on */
1066 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
1067 psta->rtsen = 1;
1068 psta->cts2self = 0;
1069 } else {
1070 psta->rtsen = 0;
1071 psta->cts2self = 1;
1072 }
1073 break;
1074
1075 case 2: /* auto */
1076 default:
1077 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
1078 if (pregpriv->vcs_type == 1) {
1079 psta->rtsen = 1;
1080 psta->cts2self = 0;
1081 } else {
1082 psta->rtsen = 0;
1083 psta->cts2self = 1;
1084 }
1085 } else {
1086 psta->rtsen = 0;
1087 psta->cts2self = 0;
1088 }
1089 break;
1090 }
1091 }
1092
update_ldpc_stbc_cap(struct sta_info * psta)1093 void update_ldpc_stbc_cap(struct sta_info *psta)
1094 {
1095 if (psta->htpriv.ht_option) {
1096 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX))
1097 psta->ldpc = 1;
1098
1099 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1100 psta->stbc = 1;
1101 } else {
1102 psta->ldpc = 0;
1103 psta->stbc = 0;
1104 }
1105 }
1106
rtw_check_bcn_info(struct adapter * Adapter,u8 * pframe,u32 packet_len)1107 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
1108 {
1109 unsigned int len;
1110 unsigned char *p;
1111 unsigned short val16, subtype;
1112 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
1113 /* u8 wpa_ie[255], rsn_ie[255]; */
1114 u16 wpa_len = 0, rsn_len = 0;
1115 u8 encryp_protocol = 0;
1116 struct wlan_bssid_ex *bssid;
1117 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
1118 unsigned char *pbuf;
1119 u32 wpa_ielen = 0;
1120 u8 *pbssid = GetAddr3Ptr(pframe);
1121 struct HT_info_element *pht_info = NULL;
1122 struct ieee80211_ht_cap *pht_cap = NULL;
1123 u32 bcn_channel;
1124 unsigned short ht_cap_info;
1125 unsigned char ht_info_infos_0;
1126 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
1127 int ssid_len;
1128
1129 if (is_client_associated_to_ap(Adapter) == false)
1130 return true;
1131
1132 len = packet_len - sizeof(struct ieee80211_hdr_3addr);
1133
1134 if (len > MAX_IE_SZ)
1135 return _FAIL;
1136
1137 if (memcmp(cur_network->network.mac_address, pbssid, 6))
1138 return true;
1139
1140 bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex));
1141 if (!bssid)
1142 return true;
1143
1144 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) {
1145 pmlmepriv->timeBcnInfoChkStart = 0;
1146 pmlmepriv->NumOfBcnInfoChkFail = 0;
1147 }
1148
1149 subtype = GetFrameSubType(pframe) >> 4;
1150
1151 if (subtype == WIFI_BEACON)
1152 bssid->reserved[0] = 1;
1153
1154 bssid->length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
1155
1156 /* below is to copy the information element */
1157 bssid->ie_length = len;
1158 memcpy(bssid->ies, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->ie_length);
1159
1160 /* check bw and channel offset */
1161 /* parsing HT_CAP_IE */
1162 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1163 if (p && len > 0) {
1164 pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1165 ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1166 } else {
1167 ht_cap_info = 0;
1168 }
1169 /* parsing HT_INFO_IE */
1170 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1171 if (p && len > 0) {
1172 pht_info = (struct HT_info_element *)(p + 2);
1173 ht_info_infos_0 = pht_info->infos[0];
1174 } else {
1175 ht_info_infos_0 = 0;
1176 }
1177 if (ht_cap_info != cur_network->bcn_info.ht_cap_info ||
1178 ((ht_info_infos_0&0x03) != (cur_network->bcn_info.ht_info_infos_0&0x03))) {
1179 {
1180 /* bcn_info_update */
1181 cur_network->bcn_info.ht_cap_info = ht_cap_info;
1182 cur_network->bcn_info.ht_info_infos_0 = ht_info_infos_0;
1183 /* to do : need to check that whether modify related register of BB or not */
1184 }
1185 /* goto _mismatch; */
1186 }
1187
1188 /* Checking for channel */
1189 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1190 if (p) {
1191 bcn_channel = *(p + 2);
1192 } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
1193 rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION,
1194 &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1195 if (pht_info)
1196 bcn_channel = pht_info->primary_channel;
1197 else /* we don't find channel IE, so don't check it */
1198 bcn_channel = Adapter->mlmeextpriv.cur_channel;
1199 }
1200
1201 if (bcn_channel != Adapter->mlmeextpriv.cur_channel)
1202 goto _mismatch;
1203
1204 /* checking SSID */
1205 ssid_len = 0;
1206 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1207 if (p) {
1208 ssid_len = *(p + 1);
1209 if (ssid_len > NDIS_802_11_LENGTH_SSID)
1210 ssid_len = 0;
1211 }
1212 memcpy(bssid->ssid.ssid, (p + 2), ssid_len);
1213 bssid->ssid.ssid_length = ssid_len;
1214
1215 if (memcmp(bssid->ssid.ssid, cur_network->network.ssid.ssid, 32) ||
1216 bssid->ssid.ssid_length != cur_network->network.ssid.ssid_length)
1217 if (bssid->ssid.ssid[0] != '\0' &&
1218 bssid->ssid.ssid_length != 0) /* not hidden ssid */
1219 goto _mismatch;
1220
1221 /* check encryption info */
1222 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1223
1224 if (val16 & BIT(4))
1225 bssid->privacy = 1;
1226 else
1227 bssid->privacy = 0;
1228
1229 if (cur_network->network.privacy != bssid->privacy)
1230 goto _mismatch;
1231
1232 rtw_get_sec_ie(bssid->ies, bssid->ie_length, NULL, &rsn_len, NULL, &wpa_len);
1233
1234 if (rsn_len > 0)
1235 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1236 else if (wpa_len > 0)
1237 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1238 else
1239 if (bssid->privacy)
1240 encryp_protocol = ENCRYP_PROTOCOL_WEP;
1241
1242 if (cur_network->bcn_info.encryp_protocol != encryp_protocol)
1243 goto _mismatch;
1244
1245 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1246 pbuf = rtw_get_wpa_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length-12);
1247 if (pbuf && (wpa_ielen > 0)) {
1248 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher,
1249 &pairwise_cipher, &is_8021x);
1250 } else {
1251 pbuf = rtw_get_wpa2_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length-12);
1252
1253 if (pbuf && (wpa_ielen > 0))
1254 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher,
1255 &pairwise_cipher, &is_8021x);
1256 }
1257
1258 if (pairwise_cipher != cur_network->bcn_info.pairwise_cipher ||
1259 group_cipher != cur_network->bcn_info.group_cipher)
1260 goto _mismatch;
1261
1262 if (is_8021x != cur_network->bcn_info.is_8021x)
1263 goto _mismatch;
1264 }
1265
1266 kfree(bssid);
1267 return _SUCCESS;
1268
1269 _mismatch:
1270 kfree(bssid);
1271
1272 if (pmlmepriv->NumOfBcnInfoChkFail == 0)
1273 pmlmepriv->timeBcnInfoChkStart = jiffies;
1274
1275 pmlmepriv->NumOfBcnInfoChkFail++;
1276
1277 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)
1278 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) {
1279 pmlmepriv->timeBcnInfoChkStart = 0;
1280 pmlmepriv->NumOfBcnInfoChkFail = 0;
1281 return _FAIL;
1282 }
1283
1284 return _SUCCESS;
1285 }
1286
update_beacon_info(struct adapter * padapter,u8 * pframe,uint pkt_len,struct sta_info * psta)1287 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1288 {
1289 unsigned int i;
1290 unsigned int len;
1291 struct ndis_80211_var_ie *pIE;
1292
1293 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1294
1295 for (i = 0; i < len;) {
1296 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1297
1298 switch (pIE->element_id) {
1299 case WLAN_EID_VENDOR_SPECIFIC:
1300 /* to update WMM parameter set while receiving beacon */
1301 if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->length == WLAN_WMM_LEN) /* WMM */
1302 if (WMM_param_handler(padapter, pIE))
1303 report_wmm_edca_update(padapter);
1304
1305 break;
1306
1307 case WLAN_EID_HT_OPERATION: /* HT info */
1308 /* HT_info_handler(padapter, pIE); */
1309 bwmode_update_check(padapter, pIE);
1310 break;
1311
1312 case WLAN_EID_ERP_INFO:
1313 ERP_IE_handler(padapter, pIE);
1314 VCS_update(padapter, psta);
1315 break;
1316
1317 default:
1318 break;
1319 }
1320
1321 i += (pIE->length + 2);
1322 }
1323 }
1324
is_ap_in_tkip(struct adapter * padapter)1325 unsigned int is_ap_in_tkip(struct adapter *padapter)
1326 {
1327 u32 i;
1328 struct ndis_80211_var_ie *pIE;
1329 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1330 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1331 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1332
1333 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1334 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.ie_length;) {
1335 pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.ies + i);
1336
1337 switch (pIE->element_id) {
1338 case WLAN_EID_VENDOR_SPECIFIC:
1339 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1340 return true;
1341
1342 break;
1343
1344 case WLAN_EID_RSN:
1345 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1346 return true;
1347 break;
1348
1349 default:
1350 break;
1351 }
1352
1353 i += (pIE->length + 2);
1354 }
1355
1356 return false;
1357 } else {
1358 return false;
1359 }
1360 }
1361
support_short_GI(struct adapter * padapter,struct HT_caps_element * pHT_caps,u8 bwmode)1362 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode)
1363 {
1364 unsigned char bit_offset;
1365 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1366 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1367
1368 if (!(pmlmeinfo->HT_enable))
1369 return _FAIL;
1370
1371 bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5;
1372
1373 if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1374 return _SUCCESS;
1375 else
1376 return _FAIL;
1377 }
1378
get_highest_rate_idx(u32 mask)1379 unsigned char get_highest_rate_idx(u32 mask)
1380 {
1381 int i;
1382 unsigned char rate_idx = 0;
1383
1384 for (i = 31; i >= 0; i--) {
1385 if (mask & BIT(i)) {
1386 rate_idx = i;
1387 break;
1388 }
1389 }
1390
1391 return rate_idx;
1392 }
1393
Update_RA_Entry(struct adapter * padapter,struct sta_info * psta)1394 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
1395 {
1396 rtw_hal_update_ra_mask(psta, 0);
1397 }
1398
set_sta_rate(struct adapter * padapter,struct sta_info * psta)1399 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1400 {
1401 /* rate adaptive */
1402 Update_RA_Entry(padapter, psta);
1403 }
1404
get_realtek_assoc_AP_vender(struct ndis_80211_var_ie * pIE)1405 static u32 get_realtek_assoc_AP_vender(struct ndis_80211_var_ie *pIE)
1406 {
1407 u32 Vender = HT_IOT_PEER_REALTEK;
1408
1409 if (pIE->length >= 5) {
1410 if (pIE->data[4] == 1)
1411 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */
1412 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */
1413 if (pIE->data[5] & RT_HT_CAP_USE_92SE)
1414 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */
1415 Vender = HT_IOT_PEER_REALTEK_92SE;
1416
1417 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP)
1418 Vender = HT_IOT_PEER_REALTEK_SOFTAP;
1419
1420 if (pIE->data[4] == 2) {
1421 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT)
1422 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP;
1423
1424 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT)
1425 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
1426 }
1427 }
1428
1429 return Vender;
1430 }
1431
check_assoc_AP(u8 * pframe,uint len)1432 unsigned char check_assoc_AP(u8 *pframe, uint len)
1433 {
1434 unsigned int i;
1435 struct ndis_80211_var_ie *pIE;
1436
1437 for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) {
1438 pIE = (struct ndis_80211_var_ie *)(pframe + i);
1439
1440 switch (pIE->element_id) {
1441 case WLAN_EID_VENDOR_SPECIFIC:
1442 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3)))
1443 return HT_IOT_PEER_ATHEROS;
1444 else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1445 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
1446 (!memcmp(pIE->data, BROADCOM_OUI3, 3)))
1447 return HT_IOT_PEER_BROADCOM;
1448 else if (!memcmp(pIE->data, MARVELL_OUI, 3))
1449 return HT_IOT_PEER_MARVELL;
1450 else if (!memcmp(pIE->data, RALINK_OUI, 3))
1451 return HT_IOT_PEER_RALINK;
1452 else if (!memcmp(pIE->data, CISCO_OUI, 3))
1453 return HT_IOT_PEER_CISCO;
1454 else if (!memcmp(pIE->data, REALTEK_OUI, 3))
1455 return get_realtek_assoc_AP_vender(pIE);
1456 else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3))
1457 return HT_IOT_PEER_AIRGO;
1458 else
1459 break;
1460
1461 default:
1462 break;
1463 }
1464
1465 i += (pIE->length + 2);
1466 }
1467
1468 return HT_IOT_PEER_UNKNOWN;
1469 }
1470
update_IOT_info(struct adapter * padapter)1471 void update_IOT_info(struct adapter *padapter)
1472 {
1473 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1474 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1475
1476 switch (pmlmeinfo->assoc_AP_vendor) {
1477 case HT_IOT_PEER_MARVELL:
1478 pmlmeinfo->turboMode_cts2self = 1;
1479 pmlmeinfo->turboMode_rtsen = 0;
1480 break;
1481
1482 case HT_IOT_PEER_RALINK:
1483 pmlmeinfo->turboMode_cts2self = 0;
1484 pmlmeinfo->turboMode_rtsen = 1;
1485 /* disable high power */
1486 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1487 break;
1488 case HT_IOT_PEER_REALTEK:
1489 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1490 /* rtw_write16(padapter, 0x546, 0x01c0); */
1491 /* disable high power */
1492 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1493 break;
1494 default:
1495 pmlmeinfo->turboMode_cts2self = 0;
1496 pmlmeinfo->turboMode_rtsen = 1;
1497 break;
1498 }
1499 }
1500
update_capinfo(struct adapter * Adapter,u16 updateCap)1501 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1502 {
1503 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1504 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1505 bool ShortPreamble;
1506
1507 /* Check preamble mode, 2005.01.06, by rcnjko. */
1508 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */
1509 /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */
1510 {
1511 if (updateCap & cShortPreamble) {
1512 /* Short Preamble */
1513 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */
1514 ShortPreamble = true;
1515 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1516 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1517 }
1518 } else {
1519 /* Long Preamble */
1520 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */
1521 ShortPreamble = false;
1522 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1523 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1524 }
1525 }
1526 }
1527
1528 if (updateCap & cIBSS) {
1529 /* Filen: See 802.11-2007 p.91 */
1530 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1531 } else {
1532 /* Filen: See 802.11-2007 p.90 */
1533 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N)) {
1534 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1535 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
1536 if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */)
1537 /* Short Slot Time */
1538 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1539 else
1540 /* Long Slot Time */
1541 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1542 } else {
1543 /* B Mode */
1544 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1545 }
1546 }
1547
1548 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1549 }
1550
update_wireless_mode(struct adapter * padapter)1551 void update_wireless_mode(struct adapter *padapter)
1552 {
1553 int network_type = 0;
1554 u32 SIFS_Timer;
1555 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1556 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1557 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1558 unsigned char *rate = cur_network->supported_rates;
1559
1560 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1561 pmlmeinfo->HT_enable = 1;
1562
1563 if (pmlmeinfo->HT_enable)
1564 network_type = WIRELESS_11_24N;
1565
1566 if (rtw_is_cckratesonly_included(rate))
1567 network_type |= WIRELESS_11B;
1568 else if (rtw_is_cckrates_included(rate))
1569 network_type |= WIRELESS_11BG;
1570 else
1571 network_type |= WIRELESS_11G;
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 SetHwReg8723BS(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
1579
1580 SetHwReg8723BS(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode));
1581
1582 if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1583 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1584 else
1585 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1586 }
1587
update_sta_basic_rate(struct sta_info * psta,u8 wireless_mode)1588 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
1589 {
1590 if (is_supported_tx_cck(wireless_mode)) {
1591 /* Only B, B/G, and B/G/N AP could use CCK rate */
1592 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4);
1593 psta->bssratelen = 4;
1594 } else {
1595 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3);
1596 psta->bssratelen = 3;
1597 }
1598 }
1599
update_sta_support_rate(struct adapter * padapter,u8 * pvar_ie,uint var_ie_len,int cam_idx)1600 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1601 {
1602 unsigned int ie_len;
1603 struct ndis_80211_var_ie *pIE;
1604 int supportRateNum = 0;
1605 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1606 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1607
1608 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len);
1609 if (!pIE)
1610 return _FAIL;
1611 if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates))
1612 return _FAIL;
1613
1614 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1615 supportRateNum = ie_len;
1616
1617 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len);
1618 if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum))
1619 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1620
1621 return _SUCCESS;
1622 }
1623
process_addba_req(struct adapter * padapter,u8 * paddba_req,u8 * addr)1624 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1625 {
1626 struct sta_info *psta;
1627 u16 tid, param;
1628 struct recv_reorder_ctrl *preorder_ctrl;
1629 struct sta_priv *pstapriv = &padapter->stapriv;
1630 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1631 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1632 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1633
1634 psta = rtw_get_stainfo(pstapriv, addr);
1635
1636 if (psta) {
1637 param = le16_to_cpu(preq->BA_para_set);
1638 tid = (param>>2)&0x0f;
1639
1640 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1641
1642 preorder_ctrl->indicate_seq = 0xffff;
1643
1644 preorder_ctrl->enable = pmlmeinfo->accept_addba_req;
1645 }
1646 }
1647
update_TSF(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1648 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1649 {
1650 u8 *pIE;
1651 __le32 *pbuf;
1652
1653 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1654 pbuf = (__le32 *)pIE;
1655
1656 pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1657
1658 pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1659
1660 pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1661 }
1662
correct_TSF(struct adapter * padapter,struct mlme_ext_priv * pmlmeext)1663 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1664 {
1665 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1666 }
1667
adaptive_early_32k(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1668 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1669 {
1670 int i;
1671 u8 *pIE;
1672 __le32 *pbuf;
1673 u64 tsf = 0;
1674 u32 delay_ms;
1675 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1676
1677 pmlmeext->bcn_cnt++;
1678
1679 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1680 pbuf = (__le32 *)pIE;
1681
1682 tsf = le32_to_cpu(*(pbuf+1));
1683 tsf = tsf << 32;
1684 tsf |= le32_to_cpu(*pbuf);
1685
1686 /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */
1687 /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */
1688 delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024));
1689 delay_ms = delay_ms/1000;
1690
1691 if (delay_ms >= 8)
1692 pmlmeext->bcn_delay_cnt[8]++;
1693 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */
1694 else
1695 pmlmeext->bcn_delay_cnt[delay_ms]++;
1696 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */
1697
1698 /*
1699
1700 for (i = 0; i<9; i++)
1701 {
1702 pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]);
1703 }
1704 */
1705
1706 /* dump for adaptive_early_32k */
1707 if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) {
1708 u8 ratio_20_delay, ratio_80_delay;
1709 u8 DrvBcnEarly, DrvBcnTimeOut;
1710
1711 ratio_20_delay = 0;
1712 ratio_80_delay = 0;
1713 DrvBcnEarly = 0xff;
1714 DrvBcnTimeOut = 0xff;
1715
1716 for (i = 0; i < 9; i++) {
1717 pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
1718
1719 ratio_20_delay += pmlmeext->bcn_delay_ratio[i];
1720 ratio_80_delay += pmlmeext->bcn_delay_ratio[i];
1721
1722 if (ratio_20_delay > 20 && DrvBcnEarly == 0xff)
1723 DrvBcnEarly = i;
1724
1725 if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff)
1726 DrvBcnTimeOut = i;
1727
1728 /* reset adaptive_early_32k cnt */
1729 pmlmeext->bcn_delay_cnt[i] = 0;
1730 pmlmeext->bcn_delay_ratio[i] = 0;
1731 }
1732
1733 pmlmeext->DrvBcnEarly = DrvBcnEarly;
1734 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut;
1735
1736 pmlmeext->bcn_cnt = 0;
1737 }
1738 }
1739
rtw_alloc_macid(struct adapter * padapter,struct sta_info * psta)1740 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
1741 {
1742 int i;
1743 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1744
1745 if (is_broadcast_ether_addr(psta->hwaddr))
1746 return;
1747
1748 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) {
1749 psta->mac_id = NUM_STA;
1750 return;
1751 }
1752
1753 spin_lock_bh(&pdvobj->lock);
1754 for (i = 0; i < NUM_STA; i++) {
1755 if (pdvobj->macid[i] == false) {
1756 pdvobj->macid[i] = true;
1757 break;
1758 }
1759 }
1760 spin_unlock_bh(&pdvobj->lock);
1761
1762 if (i > (NUM_STA - 1))
1763 psta->mac_id = NUM_STA;
1764 else
1765 psta->mac_id = i;
1766 }
1767
rtw_release_macid(struct adapter * padapter,struct sta_info * psta)1768 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
1769 {
1770 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1771
1772 if (is_broadcast_ether_addr(psta->hwaddr))
1773 return;
1774
1775 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN))
1776 return;
1777
1778 spin_lock_bh(&pdvobj->lock);
1779 if (psta->mac_id < NUM_STA && psta->mac_id != 1) {
1780 if (pdvobj->macid[psta->mac_id] == true) {
1781 pdvobj->macid[psta->mac_id] = false;
1782 psta->mac_id = NUM_STA;
1783 }
1784 }
1785 spin_unlock_bh(&pdvobj->lock);
1786 }
1787