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 break;
71 default:
72 raid = RATEID_IDX_BGN_40M_2SS;
73 break;
74 }
75 return raid;
76 }
77
78 unsigned char ratetbl_val_2wifirate(unsigned char rate);
ratetbl_val_2wifirate(unsigned char rate)79 unsigned char ratetbl_val_2wifirate(unsigned char rate)
80 {
81 switch (rate & 0x7f) {
82 case 0:
83 return IEEE80211_CCK_RATE_1MB;
84 case 1:
85 return IEEE80211_CCK_RATE_2MB;
86 case 2:
87 return IEEE80211_CCK_RATE_5MB;
88 case 3:
89 return IEEE80211_CCK_RATE_11MB;
90 case 4:
91 return IEEE80211_OFDM_RATE_6MB;
92 case 5:
93 return IEEE80211_OFDM_RATE_9MB;
94 case 6:
95 return IEEE80211_OFDM_RATE_12MB;
96 case 7:
97 return IEEE80211_OFDM_RATE_18MB;
98 case 8:
99 return IEEE80211_OFDM_RATE_24MB;
100 case 9:
101 return IEEE80211_OFDM_RATE_36MB;
102 case 10:
103 return IEEE80211_OFDM_RATE_48MB;
104 case 11:
105 return IEEE80211_OFDM_RATE_54MB;
106 default:
107 return 0;
108 }
109 }
110
111 int is_basicrate(struct adapter *padapter, unsigned char rate);
is_basicrate(struct adapter * padapter,unsigned char rate)112 int is_basicrate(struct adapter *padapter, unsigned char rate)
113 {
114 int i;
115 unsigned char val;
116 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
117
118 for (i = 0; i < NumRates; i++) {
119 val = pmlmeext->basicrate[i];
120
121 if ((val != 0xff) && (val != 0xfe))
122 if (rate == ratetbl_val_2wifirate(val))
123 return true;
124 }
125
126 return false;
127 }
128
129 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset);
ratetbl2rateset(struct adapter * padapter,unsigned char * rateset)130 unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
131 {
132 int i;
133 unsigned char rate;
134 unsigned int len = 0;
135 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
136
137 for (i = 0; i < NumRates; i++) {
138 rate = pmlmeext->datarate[i];
139
140 switch (rate) {
141 case 0xff:
142 return len;
143
144 case 0xfe:
145 continue;
146
147 default:
148 rate = ratetbl_val_2wifirate(rate);
149
150 if (is_basicrate(padapter, rate) == true)
151 rate |= IEEE80211_BASIC_RATE_MASK;
152
153 rateset[len] = rate;
154 len++;
155 break;
156 }
157 }
158 return len;
159 }
160
get_rate_set(struct adapter * padapter,unsigned char * pbssrate,int * bssrate_len)161 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
162 {
163 unsigned char supportedrates[NumRates];
164
165 memset(supportedrates, 0, NumRates);
166 *bssrate_len = ratetbl2rateset(padapter, supportedrates);
167 memcpy(pbssrate, supportedrates, *bssrate_len);
168 }
169
set_mcs_rate_by_mask(u8 * mcs_set,u32 mask)170 void set_mcs_rate_by_mask(u8 *mcs_set, u32 mask)
171 {
172 u8 mcs_rate_1r = (u8)(mask & 0xff);
173 u8 mcs_rate_2r = (u8)((mask >> 8) & 0xff);
174 u8 mcs_rate_3r = (u8)((mask >> 16) & 0xff);
175 u8 mcs_rate_4r = (u8)((mask >> 24) & 0xff);
176
177 mcs_set[0] &= mcs_rate_1r;
178 mcs_set[1] &= mcs_rate_2r;
179 mcs_set[2] &= mcs_rate_3r;
180 mcs_set[3] &= mcs_rate_4r;
181 }
182
update_basic_rate_table(struct adapter * Adapter,u8 * mBratesOS)183 void update_basic_rate_table(struct adapter *Adapter, u8 *mBratesOS)
184 {
185 u8 i;
186 u8 rate;
187
188 /* 1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
189 for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
190 rate = mBratesOS[i] & 0x7f;
191 switch (rate) {
192 case IEEE80211_CCK_RATE_1MB:
193 case IEEE80211_CCK_RATE_2MB:
194 case IEEE80211_CCK_RATE_5MB:
195 case IEEE80211_CCK_RATE_11MB:
196 case IEEE80211_OFDM_RATE_6MB:
197 case IEEE80211_OFDM_RATE_12MB:
198 case IEEE80211_OFDM_RATE_24MB:
199 mBratesOS[i] |= IEEE80211_BASIC_RATE_MASK;
200 break;
201 }
202 }
203 }
204
update_basic_rate_table_soft_ap(u8 * bssrateset,u32 bssratelen)205 void update_basic_rate_table_soft_ap(u8 *bssrateset, u32 bssratelen)
206 {
207 u8 i;
208 u8 rate;
209
210 for (i = 0; i < bssratelen; i++) {
211 rate = bssrateset[i] & 0x7f;
212 switch (rate) {
213 case IEEE80211_CCK_RATE_1MB:
214 case IEEE80211_CCK_RATE_2MB:
215 case IEEE80211_CCK_RATE_5MB:
216 case IEEE80211_CCK_RATE_11MB:
217 bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
218 break;
219 }
220 }
221 }
222
Save_DM_Func_Flag(struct adapter * padapter)223 void Save_DM_Func_Flag(struct adapter *padapter)
224 {
225 u8 bSaveFlag = true;
226
227 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
228 }
229
Restore_DM_Func_Flag(struct adapter * padapter)230 void Restore_DM_Func_Flag(struct adapter *padapter)
231 {
232 u8 bSaveFlag = false;
233
234 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&bSaveFlag));
235 }
236
Switch_DM_Func(struct adapter * padapter,u32 mode,u8 enable)237 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
238 {
239 if (enable == true)
240 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
241 else
242 rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
243 }
244
set_msr(struct adapter * padapter,u8 type)245 void set_msr(struct adapter *padapter, u8 type)
246 {
247 rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
248 }
249
rtw_get_oper_ch(struct adapter * adapter)250 inline u8 rtw_get_oper_ch(struct adapter *adapter)
251 {
252 return adapter_to_dvobj(adapter)->oper_channel;
253 }
254
rtw_set_oper_ch(struct adapter * adapter,u8 ch)255 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
256 {
257 #ifdef DBG_CH_SWITCH
258 const int len = 128;
259 char msg[128] = {0};
260 int cnt = 0;
261 int i = 0;
262 #endif /* DBG_CH_SWITCH */
263 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
264
265 if (dvobj->oper_channel != ch) {
266 dvobj->on_oper_ch_time = jiffies;
267
268 #ifdef DBG_CH_SWITCH
269 cnt += scnprintf(msg + cnt, len - cnt, "switch to ch %3u", ch);
270
271 for (i = 0; i < dvobj->iface_nums; i++) {
272 struct adapter *iface = dvobj->padapters[i];
273
274 cnt += scnprintf(msg + cnt, len - cnt, " [%s:", ADPT_ARG(iface));
275 if (iface->mlmeextpriv.cur_channel == ch)
276 cnt += scnprintf(msg + cnt, len - cnt, "C");
277 else
278 cnt += scnprintf(msg + cnt, len - cnt, "_");
279 if (iface->wdinfo.listen_channel == ch && !rtw_p2p_chk_state(&iface->wdinfo, P2P_STATE_NONE))
280 cnt += scnprintf(msg + cnt, len - cnt, "L");
281 else
282 cnt += scnprintf(msg + cnt, len - cnt, "_");
283 cnt += scnprintf(msg + cnt, len - cnt, "]");
284 }
285
286 #endif /* DBG_CH_SWITCH */
287 }
288
289 dvobj->oper_channel = ch;
290 }
291
rtw_set_oper_bw(struct adapter * adapter,u8 bw)292 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
293 {
294 adapter_to_dvobj(adapter)->oper_bwmode = bw;
295 }
296
rtw_set_oper_choffset(struct adapter * adapter,u8 offset)297 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
298 {
299 adapter_to_dvobj(adapter)->oper_ch_offset = offset;
300 }
301
rtw_get_center_ch(u8 channel,u8 chnl_bw,u8 chnl_offset)302 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset)
303 {
304 u8 center_ch = channel;
305
306 if (chnl_bw == CHANNEL_WIDTH_40) {
307 if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
308 center_ch = channel + 2;
309 else
310 center_ch = channel - 2;
311 }
312
313 return center_ch;
314 }
315
rtw_get_on_cur_ch_time(struct adapter * adapter)316 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter)
317 {
318 if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel)
319 return adapter_to_dvobj(adapter)->on_oper_ch_time;
320 else
321 return 0;
322 }
323
r8723bs_select_channel(struct adapter * padapter,unsigned char channel)324 void r8723bs_select_channel(struct adapter *padapter, unsigned char channel)
325 {
326 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
327 return;
328
329 /* saved channel info */
330 rtw_set_oper_ch(padapter, channel);
331
332 rtw_hal_set_chan(padapter, channel);
333
334 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
335 }
336
set_channel_bwmode(struct adapter * padapter,unsigned char channel,unsigned char channel_offset,unsigned short bwmode)337 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
338 {
339 u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
340
341 center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
342
343
344 /* set Channel */
345 if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
346 return;
347
348 /* saved channel/bw info */
349 rtw_set_oper_ch(padapter, channel);
350 rtw_set_oper_bw(padapter, bwmode);
351 rtw_set_oper_choffset(padapter, channel_offset);
352
353 rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /* set center channel */
354
355 mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
356 }
357
get_my_bssid(struct wlan_bssid_ex * pnetwork)358 inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
359 {
360 return pnetwork->mac_address;
361 }
362
get_beacon_interval(struct wlan_bssid_ex * bss)363 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
364 {
365 __le16 val;
366
367 memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->ies), 2);
368
369 return le16_to_cpu(val);
370 }
371
is_client_associated_to_ap(struct adapter * padapter)372 int is_client_associated_to_ap(struct adapter *padapter)
373 {
374 struct mlme_ext_priv *pmlmeext;
375 struct mlme_ext_info *pmlmeinfo;
376
377 if (!padapter)
378 return _FAIL;
379
380 pmlmeext = &padapter->mlmeextpriv;
381 pmlmeinfo = &(pmlmeext->mlmext_info);
382
383 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE))
384 return true;
385 else
386 return _FAIL;
387 }
388
is_client_associated_to_ibss(struct adapter * padapter)389 int is_client_associated_to_ibss(struct adapter *padapter)
390 {
391 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
392 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
393
394 if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE))
395 return true;
396 else
397 return _FAIL;
398 }
399
is_IBSS_empty(struct adapter * padapter)400 int is_IBSS_empty(struct adapter *padapter)
401 {
402 unsigned int i;
403 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
404 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
405
406 for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
407 if (pmlmeinfo->FW_sta_info[i].status == 1)
408 return _FAIL;
409 }
410
411 return true;
412 }
413
decide_wait_for_beacon_timeout(unsigned int bcn_interval)414 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
415 {
416 if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
417 return WAIT_FOR_BCN_TO_MIN;
418 else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
419 return WAIT_FOR_BCN_TO_MAX;
420 else
421 return bcn_interval << 2;
422 }
423
invalidate_cam_all(struct adapter * padapter)424 void invalidate_cam_all(struct adapter *padapter)
425 {
426 struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
427 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
428
429 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
430
431 spin_lock_bh(&cam_ctl->lock);
432 cam_ctl->bitmap = 0;
433 memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache) * TOTAL_CAM_ENTRY);
434 spin_unlock_bh(&cam_ctl->lock);
435 }
436
_write_cam(struct adapter * padapter,u8 entry,u16 ctrl,u8 * mac,u8 * key)437 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
438 {
439 unsigned int i, val, addr;
440 int j;
441 u32 cam_val[2];
442
443 addr = entry << 3;
444
445 for (j = 5; j >= 0; j--) {
446 switch (j) {
447 case 0:
448 val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
449 break;
450 case 1:
451 val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
452 break;
453 default:
454 i = (j - 2) << 2;
455 val = (key[i] | (key[i + 1] << 8) | (key[i + 2] << 16) | (key[i + 3] << 24));
456 break;
457 }
458
459 cam_val[0] = val;
460 cam_val[1] = addr + (unsigned int)j;
461
462 rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
463 }
464 }
465
_clear_cam_entry(struct adapter * padapter,u8 entry)466 void _clear_cam_entry(struct adapter *padapter, u8 entry)
467 {
468 unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
469 unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
470
471 _write_cam(padapter, entry, 0, null_sta, null_key);
472 }
473
write_cam(struct adapter * adapter,u8 id,u16 ctrl,u8 * mac,u8 * key)474 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
475 {
476 _write_cam(adapter, id, ctrl, mac, key);
477 write_cam_cache(adapter, id, ctrl, mac, key);
478 }
479
clear_cam_entry(struct adapter * adapter,u8 id)480 inline void clear_cam_entry(struct adapter *adapter, u8 id)
481 {
482 _clear_cam_entry(adapter, id);
483 clear_cam_cache(adapter, id);
484 }
485
write_cam_cache(struct adapter * adapter,u8 id,u16 ctrl,u8 * mac,u8 * key)486 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
487 {
488 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
489 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
490
491 spin_lock_bh(&cam_ctl->lock);
492
493 dvobj->cam_cache[id].ctrl = ctrl;
494 memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN);
495 memcpy(dvobj->cam_cache[id].key, key, 16);
496
497 spin_unlock_bh(&cam_ctl->lock);
498 }
499
clear_cam_cache(struct adapter * adapter,u8 id)500 void clear_cam_cache(struct adapter *adapter, u8 id)
501 {
502 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
503 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
504
505 spin_lock_bh(&cam_ctl->lock);
506
507 memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache));
508
509 spin_unlock_bh(&cam_ctl->lock);
510 }
511
_rtw_camid_is_gk(struct adapter * adapter,u8 cam_id)512 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id)
513 {
514 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
515 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
516 bool ret = false;
517
518 if (cam_id >= TOTAL_CAM_ENTRY)
519 goto exit;
520
521 if (!(cam_ctl->bitmap & BIT(cam_id)))
522 goto exit;
523
524 ret = (dvobj->cam_cache[cam_id].ctrl & BIT6) ? true : false;
525
526 exit:
527 return ret;
528 }
529
_rtw_camid_search(struct adapter * adapter,u8 * addr,s16 kid)530 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
531 {
532 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
533 int i;
534 s16 cam_id = -1;
535
536 for (i = 0; i < TOTAL_CAM_ENTRY; i++) {
537 if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN))
538 continue;
539 if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl & 0x03))
540 continue;
541
542 cam_id = i;
543 break;
544 }
545
546 return cam_id;
547 }
548
rtw_camid_search(struct adapter * adapter,u8 * addr,s16 kid)549 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
550 {
551 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
552 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
553 s16 cam_id = -1;
554
555 spin_lock_bh(&cam_ctl->lock);
556 cam_id = _rtw_camid_search(adapter, addr, kid);
557 spin_unlock_bh(&cam_ctl->lock);
558
559 return cam_id;
560 }
561
rtw_camid_alloc(struct adapter * adapter,struct sta_info * sta,u8 kid)562 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid)
563 {
564 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
565 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
566 s16 cam_id = -1;
567 struct mlme_ext_info *mlmeinfo;
568
569 spin_lock_bh(&cam_ctl->lock);
570
571 mlmeinfo = &adapter->mlmeextpriv.mlmext_info;
572
573 if ((((mlmeinfo->state & 0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE))
574 && !sta) {
575 /* AP/Ad-hoc mode group key: static alloction to default key by key ID */
576 if (kid > 3) {
577 netdev_dbg(adapter->pnetdev,
578 FUNC_ADPT_FMT " group key with invalid key id:%u\n",
579 FUNC_ADPT_ARG(adapter), kid);
580 rtw_warn_on(1);
581 goto bitmap_handle;
582 }
583
584 cam_id = kid;
585 } else {
586 int i;
587 u8 *addr = sta ? sta->hwaddr : NULL;
588
589 if (!sta) {
590 if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
591 /* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */
592 goto bitmap_handle;
593 }
594
595 addr = get_bssid(&adapter->mlmepriv);
596 }
597
598 i = _rtw_camid_search(adapter, addr, kid);
599 if (i >= 0) {
600 /* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */
601 if (sta || _rtw_camid_is_gk(adapter, i))
602 cam_id = i;
603 else
604 netdev_dbg(adapter->pnetdev,
605 FUNC_ADPT_FMT " group key id:%u the same key id as pairwise key\n",
606 FUNC_ADPT_ARG(adapter), kid);
607 goto bitmap_handle;
608 }
609
610 for (i = 4; i < TOTAL_CAM_ENTRY; i++)
611 if (!(cam_ctl->bitmap & BIT(i)))
612 break;
613
614 if (i == TOTAL_CAM_ENTRY) {
615 if (sta)
616 netdev_dbg(adapter->pnetdev,
617 FUNC_ADPT_FMT " pairwise key with %pM id:%u no room\n",
618 FUNC_ADPT_ARG(adapter),
619 sta->hwaddr, kid);
620 else
621 netdev_dbg(adapter->pnetdev,
622 FUNC_ADPT_FMT " group key id:%u no room\n",
623 FUNC_ADPT_ARG(adapter), kid);
624 rtw_warn_on(1);
625 goto bitmap_handle;
626 }
627
628 cam_id = i;
629 }
630
631 bitmap_handle:
632 if (cam_id >= 0 && cam_id < 32)
633 cam_ctl->bitmap |= BIT(cam_id);
634
635 spin_unlock_bh(&cam_ctl->lock);
636
637 return cam_id;
638 }
639
rtw_camid_free(struct adapter * adapter,u8 cam_id)640 void rtw_camid_free(struct adapter *adapter, u8 cam_id)
641 {
642 struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
643 struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
644
645 spin_lock_bh(&cam_ctl->lock);
646
647 if (cam_id < TOTAL_CAM_ENTRY)
648 cam_ctl->bitmap &= ~(BIT(cam_id));
649
650 spin_unlock_bh(&cam_ctl->lock);
651 }
652
allocate_fw_sta_entry(struct adapter * padapter)653 int allocate_fw_sta_entry(struct adapter *padapter)
654 {
655 unsigned int mac_id;
656 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
657 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
658
659 for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
660 if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
661 pmlmeinfo->FW_sta_info[mac_id].status = 1;
662 pmlmeinfo->FW_sta_info[mac_id].retry = 0;
663 break;
664 }
665 }
666
667 return mac_id;
668 }
669
flush_all_cam_entry(struct adapter * padapter)670 void flush_all_cam_entry(struct adapter *padapter)
671 {
672 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
673 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
674
675 invalidate_cam_all(padapter);
676 /* clear default key related key search setting */
677 rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false);
678
679 memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
680 }
681
WMM_param_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)682 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
683 {
684 /* struct registry_priv *pregpriv = &padapter->registrypriv; */
685 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
686 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
687 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
688
689 if (pmlmepriv->qospriv.qos_option == 0) {
690 pmlmeinfo->WMM_enable = 0;
691 return false;
692 }
693
694 if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)))
695 return false;
696
697 memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
698
699 pmlmeinfo->WMM_enable = 1;
700 return true;
701 }
702
sort_wmm_ac_params(u32 * inx,u32 * edca)703 static void sort_wmm_ac_params(u32 *inx, u32 *edca)
704 {
705 u32 i, j, change_inx = false;
706
707 /* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
708 for (i = 0; i < 4; i++) {
709 for (j = i + 1; j < 4; j++) {
710 /* compare CW and AIFS */
711 if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
712 change_inx = true;
713 } else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
714 /* compare TXOP */
715 if ((edca[j] >> 16) > (edca[i] >> 16))
716 change_inx = true;
717 }
718
719 if (change_inx) {
720 swap(edca[i], edca[j]);
721 swap(inx[i], inx[j]);
722
723 change_inx = false;
724 }
725 }
726 }
727 }
728
WMMOnAssocRsp(struct adapter * padapter)729 void WMMOnAssocRsp(struct adapter *padapter)
730 {
731 u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
732 u8 acm_mask;
733 u16 TXOP;
734 u32 acParm, i;
735 u32 edca[4], inx[4];
736 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
737 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
738 struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
739 struct registry_priv *pregpriv = &padapter->registrypriv;
740
741 acm_mask = 0;
742
743 if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N)
744 aSifsTime = 16;
745 else
746 aSifsTime = 10;
747
748 if (pmlmeinfo->WMM_enable == 0) {
749 padapter->mlmepriv.acm_mask = 0;
750
751 AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
752
753 if (pmlmeext->cur_wireless_mode & WIRELESS_11G) {
754 ECWMin = 4;
755 ECWMax = 10;
756 } else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
757 ECWMin = 5;
758 ECWMax = 10;
759 } else {
760 ECWMin = 4;
761 ECWMax = 10;
762 }
763
764 TXOP = 0;
765 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
766 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
767 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
768 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
769
770 ECWMin = 2;
771 ECWMax = 3;
772 TXOP = 0x2f;
773 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
774 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
775 } else {
776 edca[0] = edca[1] = edca[2] = edca[3] = 0;
777
778 for (i = 0; i < 4; i++) {
779 ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
780 ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
781
782 /* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
783 AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
784
785 ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
786 ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
787 TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
788
789 acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
790
791 switch (ACI) {
792 case 0x0:
793 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
794 acm_mask |= (ACM ? BIT(1) : 0);
795 edca[XMIT_BE_QUEUE] = acParm;
796 break;
797
798 case 0x1:
799 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
800 /* acm_mask |= (ACM? BIT(0):0); */
801 edca[XMIT_BK_QUEUE] = acParm;
802 break;
803
804 case 0x2:
805 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
806 acm_mask |= (ACM ? BIT(2) : 0);
807 edca[XMIT_VI_QUEUE] = acParm;
808 break;
809
810 case 0x3:
811 rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
812 acm_mask |= (ACM ? BIT(3) : 0);
813 edca[XMIT_VO_QUEUE] = acParm;
814 break;
815 }
816 }
817
818 if (padapter->registrypriv.acm_method == 1)
819 rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
820 else
821 padapter->mlmepriv.acm_mask = acm_mask;
822
823 inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
824
825 if (pregpriv->wifi_spec == 1)
826 sort_wmm_ac_params(inx, edca);
827
828 for (i = 0; i < 4; i++)
829 pxmitpriv->wmm_para_seq[i] = inx[i];
830 }
831 }
832
bwmode_update_check(struct adapter * padapter,struct ndis_80211_var_ie * pIE)833 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
834 {
835 unsigned char new_bwmode;
836 unsigned char new_ch_offset;
837 struct HT_info_element *pHT_info;
838 struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
839 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
840 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
841 struct registry_priv *pregistrypriv = &padapter->registrypriv;
842 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
843 u8 cbw40_enable = 0;
844
845 if (!pIE)
846 return;
847
848 if (phtpriv->ht_option == false)
849 return;
850
851 if (pIE->length > sizeof(struct HT_info_element))
852 return;
853
854 pHT_info = (struct HT_info_element *)pIE->data;
855
856 if ((pregistrypriv->bw_mode & 0x0f) > 0)
857 cbw40_enable = 1;
858
859 if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) {
860 new_bwmode = CHANNEL_WIDTH_40;
861
862 switch (pHT_info->infos[0] & 0x3) {
863 case 1:
864 new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
865 break;
866
867 case 3:
868 new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
869 break;
870
871 default:
872 new_bwmode = CHANNEL_WIDTH_20;
873 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
874 break;
875 }
876 } else {
877 new_bwmode = CHANNEL_WIDTH_20;
878 new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
879 }
880
881 if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) {
882 pmlmeinfo->bwmode_updated = true;
883
884 pmlmeext->cur_bwmode = new_bwmode;
885 pmlmeext->cur_ch_offset = new_ch_offset;
886
887 /* update HT info also */
888 HT_info_handler(padapter, pIE);
889 } else {
890 pmlmeinfo->bwmode_updated = false;
891 }
892
893 if (true == pmlmeinfo->bwmode_updated) {
894 struct sta_info *psta;
895 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
896 struct sta_priv *pstapriv = &padapter->stapriv;
897
898 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
899
900 /* update ap's stainfo */
901 psta = rtw_get_stainfo(pstapriv, cur_network->mac_address);
902 if (psta) {
903 struct ht_priv *phtpriv_sta = &psta->htpriv;
904
905 if (phtpriv_sta->ht_option) {
906 /* bwmode */
907 psta->bw_mode = pmlmeext->cur_bwmode;
908 phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
909 } else {
910 psta->bw_mode = CHANNEL_WIDTH_20;
911 phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
912 }
913
914 rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
915 }
916 }
917 }
918
HT_caps_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)919 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
920 {
921 unsigned int i;
922 u8 max_AMPDU_len, min_MPDU_spacing;
923 u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
924 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
925 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
926 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
927 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
928
929 if (!pIE)
930 return;
931
932 if (phtpriv->ht_option == false)
933 return;
934
935 pmlmeinfo->HT_caps_enable = 1;
936
937 for (i = 0; i < (pIE->length); i++) {
938 if (i != 2) {
939 /* Commented by Albert 2010/07/12 */
940 /* Got the endian issue here. */
941 pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
942 } else {
943 /* modify from fw by Thomas 2010/11/17 */
944 max_AMPDU_len = min(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3,
945 pIE->data[i] & 0x3);
946
947 min_MPDU_spacing = max(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c,
948 pIE->data[i] & 0x1c);
949
950 pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
951 }
952 }
953
954 /* update the MCS set */
955 for (i = 0; i < 16; i++)
956 pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
957
958 /* update the MCS rates */
959 set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
960
961 if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
962 /* Config STBC setting */
963 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
964 GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data))
965 SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX);
966
967 phtpriv->stbc_cap = cur_stbc_cap;
968 } else {
969 /* Config LDPC Coding Capability */
970 if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) &&
971 GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data))
972 SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
973
974 phtpriv->ldpc_cap = cur_ldpc_cap;
975
976 /* Config STBC setting */
977 if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
978 GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data))
979 SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
980
981 phtpriv->stbc_cap = cur_stbc_cap;
982 }
983 }
984
HT_info_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)985 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
986 {
987 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
988 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
989 struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
990 struct ht_priv *phtpriv = &pmlmepriv->htpriv;
991
992 if (!pIE)
993 return;
994
995 if (phtpriv->ht_option == false)
996 return;
997
998 if (pIE->length > sizeof(struct HT_info_element))
999 return;
1000
1001 pmlmeinfo->HT_info_enable = 1;
1002 memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->length);
1003 }
1004
HTOnAssocRsp(struct adapter * padapter)1005 void HTOnAssocRsp(struct adapter *padapter)
1006 {
1007 unsigned char max_AMPDU_len;
1008 unsigned char min_MPDU_spacing;
1009 /* struct registry_priv *pregpriv = &padapter->registrypriv; */
1010 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1011 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1012
1013 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
1014 pmlmeinfo->HT_enable = 1;
1015 } else {
1016 pmlmeinfo->HT_enable = 0;
1017 /* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
1018 return;
1019 }
1020
1021 /* handle A-MPDU parameter field */
1022 /*
1023 * AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1024 * AMPDU_para [4:2]:Min MPDU Start Spacing
1025 */
1026 max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
1027
1028 min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
1029
1030 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
1031
1032 rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
1033 }
1034
ERP_IE_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)1035 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1036 {
1037 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1038 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1039
1040 if (pIE->length > 1)
1041 return;
1042
1043 pmlmeinfo->ERP_enable = 1;
1044 memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->length);
1045 }
1046
VCS_update(struct adapter * padapter,struct sta_info * psta)1047 void VCS_update(struct adapter *padapter, struct sta_info *psta)
1048 {
1049 struct registry_priv *pregpriv = &padapter->registrypriv;
1050 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1051 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1052
1053 switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */
1054 case 0: /* off */
1055 psta->rtsen = 0;
1056 psta->cts2self = 0;
1057 break;
1058
1059 case 1: /* on */
1060 if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
1061 psta->rtsen = 1;
1062 psta->cts2self = 0;
1063 } else {
1064 psta->rtsen = 0;
1065 psta->cts2self = 1;
1066 }
1067 break;
1068
1069 case 2: /* auto */
1070 default:
1071 if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
1072 if (pregpriv->vcs_type == 1) {
1073 psta->rtsen = 1;
1074 psta->cts2self = 0;
1075 } else {
1076 psta->rtsen = 0;
1077 psta->cts2self = 1;
1078 }
1079 } else {
1080 psta->rtsen = 0;
1081 psta->cts2self = 0;
1082 }
1083 break;
1084 }
1085 }
1086
update_ldpc_stbc_cap(struct sta_info * psta)1087 void update_ldpc_stbc_cap(struct sta_info *psta)
1088 {
1089 if (psta->htpriv.ht_option) {
1090 if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX))
1091 psta->ldpc = 1;
1092
1093 if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1094 psta->stbc = 1;
1095 } else {
1096 psta->ldpc = 0;
1097 psta->stbc = 0;
1098 }
1099 }
1100
rtw_check_bcn_info(struct adapter * Adapter,u8 * pframe,u32 packet_len)1101 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
1102 {
1103 unsigned int len;
1104 unsigned char *p;
1105 unsigned short val16, subtype;
1106 struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
1107 /* u8 wpa_ie[255], rsn_ie[255]; */
1108 u16 wpa_len = 0, rsn_len = 0;
1109 u8 encryp_protocol = 0;
1110 struct wlan_bssid_ex *bssid;
1111 int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
1112 unsigned char *pbuf;
1113 u32 wpa_ielen = 0;
1114 u8 *pbssid = GetAddr3Ptr(pframe);
1115 struct HT_info_element *pht_info = NULL;
1116 struct ieee80211_ht_cap *pht_cap = NULL;
1117 u32 bcn_channel;
1118 unsigned short ht_cap_info;
1119 unsigned char ht_info_infos_0;
1120 struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
1121 int ssid_len;
1122
1123 if (is_client_associated_to_ap(Adapter) == false)
1124 return true;
1125
1126 len = packet_len - sizeof(struct ieee80211_hdr_3addr);
1127
1128 if (len > MAX_IE_SZ)
1129 return _FAIL;
1130
1131 if (memcmp(cur_network->network.mac_address, pbssid, 6))
1132 return true;
1133
1134 bssid = kzalloc_obj(*bssid);
1135 if (!bssid)
1136 return true;
1137
1138 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) {
1139 pmlmepriv->timeBcnInfoChkStart = 0;
1140 pmlmepriv->NumOfBcnInfoChkFail = 0;
1141 }
1142
1143 subtype = GetFrameSubType(pframe) >> 4;
1144
1145 if (subtype == WIFI_BEACON)
1146 bssid->reserved[0] = 1;
1147
1148 bssid->length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
1149
1150 /* below is to copy the information element */
1151 bssid->ie_length = len;
1152 memcpy(bssid->ies, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->ie_length);
1153
1154 /* check bw and channel offset */
1155 /* parsing HT_CAP_IE */
1156 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1157 if (p && len > 0) {
1158 pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1159 ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1160 } else {
1161 ht_cap_info = 0;
1162 }
1163 /* parsing HT_INFO_IE */
1164 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1165 if (p && len > 0) {
1166 pht_info = (struct HT_info_element *)(p + 2);
1167 ht_info_infos_0 = pht_info->infos[0];
1168 } else {
1169 ht_info_infos_0 = 0;
1170 }
1171 if (ht_cap_info != cur_network->bcn_info.ht_cap_info ||
1172 ((ht_info_infos_0 & 0x03) != (cur_network->bcn_info.ht_info_infos_0 & 0x03))) {
1173 {
1174 /* bcn_info_update */
1175 cur_network->bcn_info.ht_cap_info = ht_cap_info;
1176 cur_network->bcn_info.ht_info_infos_0 = ht_info_infos_0;
1177 /* to do : need to check that whether modify related register of BB or not */
1178 }
1179 /* goto _mismatch; */
1180 }
1181
1182 /* Checking for channel */
1183 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1184 if (p) {
1185 bcn_channel = *(p + 2);
1186 } else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
1187 rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION,
1188 &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1189 if (pht_info)
1190 bcn_channel = pht_info->primary_channel;
1191 else /* we don't find channel IE, so don't check it */
1192 bcn_channel = Adapter->mlmeextpriv.cur_channel;
1193 }
1194
1195 if (bcn_channel != Adapter->mlmeextpriv.cur_channel)
1196 goto _mismatch;
1197
1198 /* checking SSID */
1199 ssid_len = 0;
1200 p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1201 if (p) {
1202 ssid_len = *(p + 1);
1203 if (ssid_len > NDIS_802_11_LENGTH_SSID)
1204 ssid_len = 0;
1205 }
1206 memcpy(bssid->ssid.ssid, (p + 2), ssid_len);
1207 bssid->ssid.ssid_length = ssid_len;
1208
1209 if (memcmp(bssid->ssid.ssid, cur_network->network.ssid.ssid, 32) ||
1210 bssid->ssid.ssid_length != cur_network->network.ssid.ssid_length)
1211 if (bssid->ssid.ssid[0] != '\0' &&
1212 bssid->ssid.ssid_length != 0) /* not hidden ssid */
1213 goto _mismatch;
1214
1215 /* check encryption info */
1216 val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1217
1218 if (val16 & BIT(4))
1219 bssid->privacy = 1;
1220 else
1221 bssid->privacy = 0;
1222
1223 if (cur_network->network.privacy != bssid->privacy)
1224 goto _mismatch;
1225
1226 rtw_get_sec_ie(bssid->ies, bssid->ie_length, NULL, &rsn_len, NULL, &wpa_len);
1227
1228 if (rsn_len > 0)
1229 encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1230 else if (wpa_len > 0)
1231 encryp_protocol = ENCRYP_PROTOCOL_WPA;
1232 else
1233 if (bssid->privacy)
1234 encryp_protocol = ENCRYP_PROTOCOL_WEP;
1235
1236 if (cur_network->bcn_info.encryp_protocol != encryp_protocol)
1237 goto _mismatch;
1238
1239 if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1240 pbuf = rtw_get_wpa_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length - 12);
1241 if (pbuf && (wpa_ielen > 0)) {
1242 rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher,
1243 &pairwise_cipher, &is_8021x);
1244 } else {
1245 pbuf = rtw_get_wpa2_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length - 12);
1246
1247 if (pbuf && (wpa_ielen > 0))
1248 rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher,
1249 &pairwise_cipher, &is_8021x);
1250 }
1251
1252 if (pairwise_cipher != cur_network->bcn_info.pairwise_cipher ||
1253 group_cipher != cur_network->bcn_info.group_cipher)
1254 goto _mismatch;
1255
1256 if (is_8021x != cur_network->bcn_info.is_8021x)
1257 goto _mismatch;
1258 }
1259
1260 kfree(bssid);
1261 return _SUCCESS;
1262
1263 _mismatch:
1264 kfree(bssid);
1265
1266 if (pmlmepriv->NumOfBcnInfoChkFail == 0)
1267 pmlmepriv->timeBcnInfoChkStart = jiffies;
1268
1269 pmlmepriv->NumOfBcnInfoChkFail++;
1270
1271 if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)
1272 && (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) {
1273 pmlmepriv->timeBcnInfoChkStart = 0;
1274 pmlmepriv->NumOfBcnInfoChkFail = 0;
1275 return _FAIL;
1276 }
1277
1278 return _SUCCESS;
1279 }
1280
update_beacon_info(struct adapter * padapter,u8 * pframe,uint pkt_len,struct sta_info * psta)1281 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1282 {
1283 unsigned int i;
1284 unsigned int len;
1285 struct ndis_80211_var_ie *pIE;
1286
1287 len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1288
1289 for (i = 0; i < len;) {
1290 pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1291
1292 switch (pIE->element_id) {
1293 case WLAN_EID_VENDOR_SPECIFIC:
1294 /* to update WMM parameter set while receiving beacon */
1295 if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->length == WLAN_WMM_LEN) /* WMM */
1296 if (WMM_param_handler(padapter, pIE))
1297 report_wmm_edca_update(padapter);
1298
1299 break;
1300
1301 case WLAN_EID_HT_OPERATION: /* HT info */
1302 /* HT_info_handler(padapter, pIE); */
1303 bwmode_update_check(padapter, pIE);
1304 break;
1305
1306 case WLAN_EID_ERP_INFO:
1307 ERP_IE_handler(padapter, pIE);
1308 VCS_update(padapter, psta);
1309 break;
1310
1311 default:
1312 break;
1313 }
1314
1315 i += (pIE->length + 2);
1316 }
1317 }
1318
is_ap_in_tkip(struct adapter * padapter)1319 unsigned int is_ap_in_tkip(struct adapter *padapter)
1320 {
1321 u32 i;
1322 struct ndis_80211_var_ie *pIE;
1323 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1324 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1325 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1326
1327 if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1328 for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.ie_length;) {
1329 pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.ies + i);
1330
1331 switch (pIE->element_id) {
1332 case WLAN_EID_VENDOR_SPECIFIC:
1333 if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1334 return true;
1335
1336 break;
1337
1338 case WLAN_EID_RSN:
1339 if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1340 return true;
1341 break;
1342
1343 default:
1344 break;
1345 }
1346
1347 i += (pIE->length + 2);
1348 }
1349
1350 return false;
1351 } else {
1352 return false;
1353 }
1354 }
1355
support_short_GI(struct adapter * padapter,struct HT_caps_element * pHT_caps,u8 bwmode)1356 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode)
1357 {
1358 unsigned char bit_offset;
1359 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1360 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1361
1362 if (!(pmlmeinfo->HT_enable))
1363 return _FAIL;
1364
1365 bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5;
1366
1367 if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1368 return _SUCCESS;
1369 else
1370 return _FAIL;
1371 }
1372
get_highest_rate_idx(u32 mask)1373 unsigned char get_highest_rate_idx(u32 mask)
1374 {
1375 int i;
1376 unsigned char rate_idx = 0;
1377
1378 for (i = 31; i >= 0; i--) {
1379 if (mask & BIT(i)) {
1380 rate_idx = i;
1381 break;
1382 }
1383 }
1384
1385 return rate_idx;
1386 }
1387
Update_RA_Entry(struct adapter * padapter,struct sta_info * psta)1388 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
1389 {
1390 rtw_hal_update_ra_mask(psta, 0);
1391 }
1392
set_sta_rate(struct adapter * padapter,struct sta_info * psta)1393 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1394 {
1395 /* rate adaptive */
1396 Update_RA_Entry(padapter, psta);
1397 }
1398
get_realtek_assoc_AP_vender(struct ndis_80211_var_ie * pIE)1399 static u32 get_realtek_assoc_AP_vender(struct ndis_80211_var_ie *pIE)
1400 {
1401 u32 Vender = HT_IOT_PEER_REALTEK;
1402
1403 if (pIE->length >= 5) {
1404 if (pIE->data[4] == 1)
1405 /* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */
1406 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */
1407 if (pIE->data[5] & RT_HT_CAP_USE_92SE)
1408 /* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */
1409 Vender = HT_IOT_PEER_REALTEK_92SE;
1410
1411 if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP)
1412 Vender = HT_IOT_PEER_REALTEK_SOFTAP;
1413
1414 if (pIE->data[4] == 2) {
1415 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT)
1416 Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP;
1417
1418 if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT)
1419 Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
1420 }
1421 }
1422
1423 return Vender;
1424 }
1425
check_assoc_AP(u8 * pframe,uint len)1426 unsigned char check_assoc_AP(u8 *pframe, uint len)
1427 {
1428 unsigned int i;
1429 struct ndis_80211_var_ie *pIE;
1430
1431 for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) {
1432 pIE = (struct ndis_80211_var_ie *)(pframe + i);
1433
1434 switch (pIE->element_id) {
1435 case WLAN_EID_VENDOR_SPECIFIC:
1436 if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3)))
1437 return HT_IOT_PEER_ATHEROS;
1438 else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1439 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
1440 (!memcmp(pIE->data, BROADCOM_OUI3, 3)))
1441 return HT_IOT_PEER_BROADCOM;
1442 else if (!memcmp(pIE->data, MARVELL_OUI, 3))
1443 return HT_IOT_PEER_MARVELL;
1444 else if (!memcmp(pIE->data, RALINK_OUI, 3))
1445 return HT_IOT_PEER_RALINK;
1446 else if (!memcmp(pIE->data, CISCO_OUI, 3))
1447 return HT_IOT_PEER_CISCO;
1448 else if (!memcmp(pIE->data, REALTEK_OUI, 3))
1449 return get_realtek_assoc_AP_vender(pIE);
1450 else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3))
1451 return HT_IOT_PEER_AIRGO;
1452 break;
1453 default:
1454 break;
1455 }
1456
1457 i += (pIE->length + 2);
1458 }
1459
1460 return HT_IOT_PEER_UNKNOWN;
1461 }
1462
update_IOT_info(struct adapter * padapter)1463 void update_IOT_info(struct adapter *padapter)
1464 {
1465 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1466 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1467
1468 switch (pmlmeinfo->assoc_AP_vendor) {
1469 case HT_IOT_PEER_MARVELL:
1470 pmlmeinfo->turboMode_cts2self = 1;
1471 pmlmeinfo->turboMode_rtsen = 0;
1472 break;
1473
1474 case HT_IOT_PEER_RALINK:
1475 pmlmeinfo->turboMode_cts2self = 0;
1476 pmlmeinfo->turboMode_rtsen = 1;
1477 /* disable high power */
1478 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1479 break;
1480 case HT_IOT_PEER_REALTEK:
1481 /* rtw_write16(padapter, 0x4cc, 0xffff); */
1482 /* rtw_write16(padapter, 0x546, 0x01c0); */
1483 /* disable high power */
1484 Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1485 break;
1486 default:
1487 pmlmeinfo->turboMode_cts2self = 0;
1488 pmlmeinfo->turboMode_rtsen = 1;
1489 break;
1490 }
1491 }
1492
update_capinfo(struct adapter * Adapter,u16 updateCap)1493 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1494 {
1495 struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1496 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1497 bool ShortPreamble;
1498
1499 /* Check preamble mode, 2005.01.06, by rcnjko. */
1500 /* Mark to update preamble value forever, 2008.03.18 by lanhsin */
1501 /* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */
1502 {
1503 if (updateCap & cShortPreamble) {
1504 /* Short Preamble */
1505 if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /* PREAMBLE_LONG or PREAMBLE_AUTO */
1506 ShortPreamble = true;
1507 pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1508 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1509 }
1510 } else {
1511 /* Long Preamble */
1512 if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /* PREAMBLE_SHORT or PREAMBLE_AUTO */
1513 ShortPreamble = false;
1514 pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1515 rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1516 }
1517 }
1518 }
1519
1520 if (updateCap & cIBSS) {
1521 /* Filen: See 802.11-2007 p.91 */
1522 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1523 } else {
1524 /* Filen: See 802.11-2007 p.90 */
1525 if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N)) {
1526 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1527 } else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
1528 if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */)
1529 /* Short Slot Time */
1530 pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1531 else
1532 /* Long Slot Time */
1533 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1534 } else {
1535 /* B Mode */
1536 pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1537 }
1538 }
1539
1540 rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1541 }
1542
update_wireless_mode(struct adapter * padapter)1543 void update_wireless_mode(struct adapter *padapter)
1544 {
1545 int network_type = 0;
1546 u32 SIFS_Timer;
1547 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1548 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1549 struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1550 unsigned char *rate = cur_network->supported_rates;
1551
1552 if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1553 pmlmeinfo->HT_enable = 1;
1554
1555 if (pmlmeinfo->HT_enable)
1556 network_type = WIRELESS_11_24N;
1557
1558 if (rtw_is_cckratesonly_included(rate))
1559 network_type |= WIRELESS_11B;
1560 else if (rtw_is_cckrates_included(rate))
1561 network_type |= WIRELESS_11BG;
1562 else
1563 network_type |= WIRELESS_11G;
1564
1565 pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1566
1567 SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1568 /* change this value if having IOT issues. */
1569
1570 SetHwReg8723BS(padapter, HW_VAR_RESP_SIFS, (u8 *)&SIFS_Timer);
1571
1572 SetHwReg8723BS(padapter, HW_VAR_WIRELESS_MODE, (u8 *)&(pmlmeext->cur_wireless_mode));
1573
1574 if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1575 update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1576 else
1577 update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1578 }
1579
update_sta_basic_rate(struct sta_info * psta,u8 wireless_mode)1580 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
1581 {
1582 if (is_supported_tx_cck(wireless_mode)) {
1583 /* Only B, B/G, and B/G/N AP could use CCK rate */
1584 memcpy(psta->bssrateset, rtw_basic_rate_cck, 4);
1585 psta->bssratelen = 4;
1586 } else {
1587 memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3);
1588 psta->bssratelen = 3;
1589 }
1590 }
1591
update_sta_support_rate(struct adapter * padapter,u8 * pvar_ie,uint var_ie_len,int cam_idx)1592 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1593 {
1594 unsigned int ie_len;
1595 struct ndis_80211_var_ie *pIE;
1596 int supportRateNum = 0;
1597 struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1598 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1599
1600 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len);
1601 if (!pIE)
1602 return _FAIL;
1603 if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates))
1604 return _FAIL;
1605
1606 memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1607 supportRateNum = ie_len;
1608
1609 pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len);
1610 if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum))
1611 memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1612
1613 return _SUCCESS;
1614 }
1615
process_addba_req(struct adapter * padapter,u8 * paddba_req,u8 * addr)1616 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1617 {
1618 struct sta_info *psta;
1619 u16 tid, param;
1620 struct recv_reorder_ctrl *preorder_ctrl;
1621 struct sta_priv *pstapriv = &padapter->stapriv;
1622 struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1623 struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1624 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1625
1626 psta = rtw_get_stainfo(pstapriv, addr);
1627
1628 if (psta) {
1629 param = le16_to_cpu(preq->BA_para_set);
1630 tid = (param >> 2) & 0x0f;
1631
1632 preorder_ctrl = &psta->recvreorder_ctrl[tid];
1633
1634 preorder_ctrl->indicate_seq = 0xffff;
1635
1636 preorder_ctrl->enable = pmlmeinfo->accept_addba_req;
1637 }
1638 }
1639
update_TSF(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1640 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1641 {
1642 u8 *pIE;
1643 __le32 *pbuf;
1644
1645 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1646 pbuf = (__le32 *)pIE;
1647
1648 pmlmeext->TSFValue = le32_to_cpu(*(pbuf + 1));
1649
1650 pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1651
1652 pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1653 }
1654
correct_TSF(struct adapter * padapter,struct mlme_ext_priv * pmlmeext)1655 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1656 {
1657 rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1658 }
1659
adaptive_early_32k(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1660 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1661 {
1662 int i;
1663 u8 *pIE;
1664 __le32 *pbuf;
1665 u64 tsf = 0;
1666 u32 delay_ms;
1667 struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1668
1669 pmlmeext->bcn_cnt++;
1670
1671 pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1672 pbuf = (__le32 *)pIE;
1673
1674 tsf = le32_to_cpu(*(pbuf + 1));
1675 tsf = tsf << 32;
1676 tsf |= le32_to_cpu(*pbuf);
1677
1678 /* delay = (timestamp mod 1024*100)/1000 (unit: ms) */
1679 /* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */
1680 delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval * 1024));
1681 delay_ms = delay_ms / 1000;
1682
1683 if (delay_ms >= 8)
1684 pmlmeext->bcn_delay_cnt[8]++;
1685 /* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */
1686 else
1687 pmlmeext->bcn_delay_cnt[delay_ms]++;
1688 /* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */
1689 /* dump for adaptive_early_32k */
1690 if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) {
1691 u8 ratio_20_delay, ratio_80_delay;
1692 u8 DrvBcnEarly, DrvBcnTimeOut;
1693
1694 ratio_20_delay = 0;
1695 ratio_80_delay = 0;
1696 DrvBcnEarly = 0xff;
1697 DrvBcnTimeOut = 0xff;
1698
1699 for (i = 0; i < 9; i++) {
1700 pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
1701
1702 ratio_20_delay += pmlmeext->bcn_delay_ratio[i];
1703 ratio_80_delay += pmlmeext->bcn_delay_ratio[i];
1704
1705 if (ratio_20_delay > 20 && DrvBcnEarly == 0xff)
1706 DrvBcnEarly = i;
1707
1708 if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff)
1709 DrvBcnTimeOut = i;
1710
1711 /* reset adaptive_early_32k cnt */
1712 pmlmeext->bcn_delay_cnt[i] = 0;
1713 pmlmeext->bcn_delay_ratio[i] = 0;
1714 }
1715
1716 pmlmeext->DrvBcnEarly = DrvBcnEarly;
1717 pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut;
1718
1719 pmlmeext->bcn_cnt = 0;
1720 }
1721 }
1722
rtw_alloc_macid(struct adapter * padapter,struct sta_info * psta)1723 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
1724 {
1725 int i;
1726 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1727
1728 if (is_broadcast_ether_addr(psta->hwaddr))
1729 return;
1730
1731 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) {
1732 psta->mac_id = NUM_STA;
1733 return;
1734 }
1735
1736 spin_lock_bh(&pdvobj->lock);
1737 for (i = 0; i < NUM_STA; i++) {
1738 if (pdvobj->macid[i] == false) {
1739 pdvobj->macid[i] = true;
1740 break;
1741 }
1742 }
1743 spin_unlock_bh(&pdvobj->lock);
1744
1745 if (i > (NUM_STA - 1))
1746 psta->mac_id = NUM_STA;
1747 else
1748 psta->mac_id = i;
1749 }
1750
rtw_release_macid(struct adapter * padapter,struct sta_info * psta)1751 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
1752 {
1753 struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1754
1755 if (is_broadcast_ether_addr(psta->hwaddr))
1756 return;
1757
1758 if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN))
1759 return;
1760
1761 spin_lock_bh(&pdvobj->lock);
1762 if (psta->mac_id < NUM_STA && psta->mac_id != 1) {
1763 if (pdvobj->macid[psta->mac_id] == true) {
1764 pdvobj->macid[psta->mac_id] = false;
1765 psta->mac_id = NUM_STA;
1766 }
1767 }
1768 spin_unlock_bh(&pdvobj->lock);
1769 }
1770