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