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_get_oper_bw(struct adapter * adapter)293 inline u8 rtw_get_oper_bw(struct adapter *adapter)
294 {
295 	return adapter_to_dvobj(adapter)->oper_bwmode;
296 }
297 
rtw_set_oper_bw(struct adapter * adapter,u8 bw)298 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
299 {
300 	adapter_to_dvobj(adapter)->oper_bwmode = bw;
301 }
302 
rtw_get_oper_choffset(struct adapter * adapter)303 inline u8 rtw_get_oper_choffset(struct adapter *adapter)
304 {
305 	return adapter_to_dvobj(adapter)->oper_ch_offset;
306 }
307 
rtw_set_oper_choffset(struct adapter * adapter,u8 offset)308 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
309 {
310 	adapter_to_dvobj(adapter)->oper_ch_offset = offset;
311 }
312 
rtw_get_center_ch(u8 channel,u8 chnl_bw,u8 chnl_offset)313 u8 rtw_get_center_ch(u8 channel, u8 chnl_bw, u8 chnl_offset)
314 {
315 	u8 center_ch = channel;
316 
317 	if (chnl_bw == CHANNEL_WIDTH_40) {
318 		if (chnl_offset == HAL_PRIME_CHNL_OFFSET_LOWER)
319 			center_ch = channel + 2;
320 		else
321 			center_ch = channel - 2;
322 	}
323 
324 	return center_ch;
325 }
326 
rtw_get_on_cur_ch_time(struct adapter * adapter)327 inline unsigned long rtw_get_on_cur_ch_time(struct adapter *adapter)
328 {
329 	if (adapter->mlmeextpriv.cur_channel == adapter_to_dvobj(adapter)->oper_channel)
330 		return adapter_to_dvobj(adapter)->on_oper_ch_time;
331 	else
332 		return 0;
333 }
334 
r8723bs_select_channel(struct adapter * padapter,unsigned char channel)335 void r8723bs_select_channel(struct adapter *padapter, unsigned char channel)
336 {
337 	if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
338 		return;
339 
340 	/* saved channel info */
341 	rtw_set_oper_ch(padapter, channel);
342 
343 	rtw_hal_set_chan(padapter, channel);
344 
345 	mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
346 }
347 
set_channel_bwmode(struct adapter * padapter,unsigned char channel,unsigned char channel_offset,unsigned short bwmode)348 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
349 {
350 	u8 center_ch, chnl_offset80 = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
351 
352 	center_ch = rtw_get_center_ch(channel, bwmode, channel_offset);
353 
354 
355 	/* set Channel */
356 	if (mutex_lock_interruptible(&(adapter_to_dvobj(padapter)->setch_mutex)))
357 		return;
358 
359 	/* saved channel/bw info */
360 	rtw_set_oper_ch(padapter, channel);
361 	rtw_set_oper_bw(padapter, bwmode);
362 	rtw_set_oper_choffset(padapter, channel_offset);
363 
364 	rtw_hal_set_chnl_bw(padapter, center_ch, bwmode, channel_offset, chnl_offset80); /*  set center channel */
365 
366 	mutex_unlock(&(adapter_to_dvobj(padapter)->setch_mutex));
367 }
368 
get_my_bssid(struct wlan_bssid_ex * pnetwork)369 inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
370 {
371 	return pnetwork->mac_address;
372 }
373 
get_beacon_interval(struct wlan_bssid_ex * bss)374 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
375 {
376 	__le16 val;
377 
378 	memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->ies), 2);
379 
380 	return le16_to_cpu(val);
381 }
382 
is_client_associated_to_ap(struct adapter * padapter)383 int is_client_associated_to_ap(struct adapter *padapter)
384 {
385 	struct mlme_ext_priv *pmlmeext;
386 	struct mlme_ext_info *pmlmeinfo;
387 
388 	if (!padapter)
389 		return _FAIL;
390 
391 	pmlmeext = &padapter->mlmeextpriv;
392 	pmlmeinfo = &(pmlmeext->mlmext_info);
393 
394 	if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
395 		return true;
396 	else
397 		return _FAIL;
398 }
399 
is_client_associated_to_ibss(struct adapter * padapter)400 int is_client_associated_to_ibss(struct adapter *padapter)
401 {
402 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
403 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
404 
405 	if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
406 		return true;
407 	else
408 		return _FAIL;
409 }
410 
is_IBSS_empty(struct adapter * padapter)411 int is_IBSS_empty(struct adapter *padapter)
412 {
413 	unsigned int i;
414 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
415 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
416 
417 	for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
418 		if (pmlmeinfo->FW_sta_info[i].status == 1)
419 			return _FAIL;
420 	}
421 
422 	return true;
423 }
424 
decide_wait_for_beacon_timeout(unsigned int bcn_interval)425 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
426 {
427 	if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
428 		return WAIT_FOR_BCN_TO_MIN;
429 	else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
430 		return WAIT_FOR_BCN_TO_MAX;
431 	else
432 		return bcn_interval << 2;
433 }
434 
invalidate_cam_all(struct adapter * padapter)435 void invalidate_cam_all(struct adapter *padapter)
436 {
437 	struct dvobj_priv *dvobj = adapter_to_dvobj(padapter);
438 	struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
439 
440 	rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
441 
442 	spin_lock_bh(&cam_ctl->lock);
443 	cam_ctl->bitmap = 0;
444 	memset(dvobj->cam_cache, 0, sizeof(struct cam_entry_cache)*TOTAL_CAM_ENTRY);
445 	spin_unlock_bh(&cam_ctl->lock);
446 }
447 
_ReadCAM(struct adapter * padapter,u32 addr)448 static u32 _ReadCAM(struct adapter *padapter, u32 addr)
449 {
450 	u32 count = 0, cmd;
451 
452 	cmd = CAM_POLLINIG | addr;
453 	rtw_write32(padapter, RWCAM, cmd);
454 
455 	do {
456 		if (0 == (rtw_read32(padapter, REG_CAMCMD) & CAM_POLLINIG))
457 			break;
458 	} while (count++ < 100);
459 
460 	return rtw_read32(padapter, REG_CAMREAD);
461 }
462 
read_cam(struct adapter * padapter,u8 entry,u8 * get_key)463 void read_cam(struct adapter *padapter, u8 entry, u8 *get_key)
464 {
465 	u32 j, addr, cmd;
466 
467 	addr = entry << 3;
468 
469 	for (j = 0; j < 6; j++) {
470 		cmd = _ReadCAM(padapter, addr+j);
471 		if (j > 1) /* get key from cam */
472 			memcpy(get_key+(j-2)*4, &cmd, 4);
473 	}
474 }
475 
_write_cam(struct adapter * padapter,u8 entry,u16 ctrl,u8 * mac,u8 * key)476 void _write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
477 {
478 	unsigned int i, val, addr;
479 	int j;
480 	u32 cam_val[2];
481 
482 	addr = entry << 3;
483 
484 	for (j = 5; j >= 0; j--) {
485 		switch (j) {
486 		case 0:
487 			val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
488 			break;
489 		case 1:
490 			val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
491 			break;
492 		default:
493 			i = (j - 2) << 2;
494 			val = (key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24));
495 			break;
496 		}
497 
498 		cam_val[0] = val;
499 		cam_val[1] = addr + (unsigned int)j;
500 
501 		rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
502 	}
503 }
504 
_clear_cam_entry(struct adapter * padapter,u8 entry)505 void _clear_cam_entry(struct adapter *padapter, u8 entry)
506 {
507 	unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
508 	unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
509 
510 	_write_cam(padapter, entry, 0, null_sta, null_key);
511 }
512 
write_cam(struct adapter * adapter,u8 id,u16 ctrl,u8 * mac,u8 * key)513 inline void write_cam(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
514 {
515 	_write_cam(adapter, id, ctrl, mac, key);
516 	write_cam_cache(adapter, id, ctrl, mac, key);
517 }
518 
clear_cam_entry(struct adapter * adapter,u8 id)519 inline void clear_cam_entry(struct adapter *adapter, u8 id)
520 {
521 	_clear_cam_entry(adapter, id);
522 	clear_cam_cache(adapter, id);
523 }
524 
write_cam_cache(struct adapter * adapter,u8 id,u16 ctrl,u8 * mac,u8 * key)525 void write_cam_cache(struct adapter *adapter, u8 id, u16 ctrl, u8 *mac, u8 *key)
526 {
527 	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
528 	struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
529 
530 	spin_lock_bh(&cam_ctl->lock);
531 
532 	dvobj->cam_cache[id].ctrl = ctrl;
533 	memcpy(dvobj->cam_cache[id].mac, mac, ETH_ALEN);
534 	memcpy(dvobj->cam_cache[id].key, key, 16);
535 
536 	spin_unlock_bh(&cam_ctl->lock);
537 }
538 
clear_cam_cache(struct adapter * adapter,u8 id)539 void clear_cam_cache(struct adapter *adapter, u8 id)
540 {
541 	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
542 	struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
543 
544 	spin_lock_bh(&cam_ctl->lock);
545 
546 	memset(&(dvobj->cam_cache[id]), 0, sizeof(struct cam_entry_cache));
547 
548 	spin_unlock_bh(&cam_ctl->lock);
549 }
550 
_rtw_camid_is_gk(struct adapter * adapter,u8 cam_id)551 static bool _rtw_camid_is_gk(struct adapter *adapter, u8 cam_id)
552 {
553 	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
554 	struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
555 	bool ret = false;
556 
557 	if (cam_id >= TOTAL_CAM_ENTRY)
558 		goto exit;
559 
560 	if (!(cam_ctl->bitmap & BIT(cam_id)))
561 		goto exit;
562 
563 	ret = (dvobj->cam_cache[cam_id].ctrl&BIT6)?true:false;
564 
565 exit:
566 	return ret;
567 }
568 
_rtw_camid_search(struct adapter * adapter,u8 * addr,s16 kid)569 static s16 _rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
570 {
571 	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
572 	int i;
573 	s16 cam_id = -1;
574 
575 	for (i = 0; i < TOTAL_CAM_ENTRY; i++) {
576 		if (addr && memcmp(dvobj->cam_cache[i].mac, addr, ETH_ALEN))
577 			continue;
578 		if (kid >= 0 && kid != (dvobj->cam_cache[i].ctrl&0x03))
579 			continue;
580 
581 		cam_id = i;
582 		break;
583 	}
584 
585 	return cam_id;
586 }
587 
rtw_camid_search(struct adapter * adapter,u8 * addr,s16 kid)588 s16 rtw_camid_search(struct adapter *adapter, u8 *addr, s16 kid)
589 {
590 	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
591 	struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
592 	s16 cam_id = -1;
593 
594 	spin_lock_bh(&cam_ctl->lock);
595 	cam_id = _rtw_camid_search(adapter, addr, kid);
596 	spin_unlock_bh(&cam_ctl->lock);
597 
598 	return cam_id;
599 }
600 
rtw_camid_alloc(struct adapter * adapter,struct sta_info * sta,u8 kid)601 s16 rtw_camid_alloc(struct adapter *adapter, struct sta_info *sta, u8 kid)
602 {
603 	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
604 	struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
605 	s16 cam_id = -1;
606 	struct mlme_ext_info *mlmeinfo;
607 
608 	spin_lock_bh(&cam_ctl->lock);
609 
610 	mlmeinfo = &adapter->mlmeextpriv.mlmext_info;
611 
612 	if ((((mlmeinfo->state&0x03) == WIFI_FW_AP_STATE) || ((mlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
613 		&& !sta) {
614 		/* AP/Ad-hoc mode group key: static alloction to default key by key ID */
615 		if (kid > 3) {
616 			netdev_dbg(adapter->pnetdev,
617 				   FUNC_ADPT_FMT " group key with invalid key id:%u\n",
618 				   FUNC_ADPT_ARG(adapter), kid);
619 			rtw_warn_on(1);
620 			goto bitmap_handle;
621 		}
622 
623 		cam_id = kid;
624 	} else {
625 		int i;
626 		u8 *addr = sta?sta->hwaddr:NULL;
627 
628 		if (!sta) {
629 			if (!(mlmeinfo->state & WIFI_FW_ASSOC_SUCCESS)) {
630 				/* bypass STA mode group key setting before connected(ex:WEP) because bssid is not ready */
631 				goto bitmap_handle;
632 			}
633 
634 			addr = get_bssid(&adapter->mlmepriv);
635 		}
636 
637 		i = _rtw_camid_search(adapter, addr, kid);
638 		if (i >= 0) {
639 			/* Fix issue that pairwise and group key have same key id. Pairwise key first, group key can overwirte group only(ex: rekey) */
640 			if (sta || _rtw_camid_is_gk(adapter, i))
641 				cam_id = i;
642 			else
643 				netdev_dbg(adapter->pnetdev,
644 					   FUNC_ADPT_FMT " group key id:%u the same key id as pairwise key\n",
645 					   FUNC_ADPT_ARG(adapter), kid);
646 			goto bitmap_handle;
647 		}
648 
649 		for (i = 4; i < TOTAL_CAM_ENTRY; i++)
650 			if (!(cam_ctl->bitmap & BIT(i)))
651 				break;
652 
653 		if (i == TOTAL_CAM_ENTRY) {
654 			if (sta)
655 				netdev_dbg(adapter->pnetdev,
656 					   FUNC_ADPT_FMT " pairwise key with %pM id:%u no room\n",
657 					   FUNC_ADPT_ARG(adapter),
658 					   MAC_ARG(sta->hwaddr), kid);
659 			else
660 				netdev_dbg(adapter->pnetdev,
661 					   FUNC_ADPT_FMT " group key id:%u no room\n",
662 					   FUNC_ADPT_ARG(adapter), kid);
663 			rtw_warn_on(1);
664 			goto bitmap_handle;
665 		}
666 
667 		cam_id = i;
668 	}
669 
670 bitmap_handle:
671 	if (cam_id >= 0 && cam_id < 32)
672 		cam_ctl->bitmap |= BIT(cam_id);
673 
674 	spin_unlock_bh(&cam_ctl->lock);
675 
676 	return cam_id;
677 }
678 
rtw_camid_free(struct adapter * adapter,u8 cam_id)679 void rtw_camid_free(struct adapter *adapter, u8 cam_id)
680 {
681 	struct dvobj_priv *dvobj = adapter_to_dvobj(adapter);
682 	struct cam_ctl_t *cam_ctl = &dvobj->cam_ctl;
683 
684 	spin_lock_bh(&cam_ctl->lock);
685 
686 	if (cam_id < TOTAL_CAM_ENTRY)
687 		cam_ctl->bitmap &= ~(BIT(cam_id));
688 
689 	spin_unlock_bh(&cam_ctl->lock);
690 }
691 
allocate_fw_sta_entry(struct adapter * padapter)692 int allocate_fw_sta_entry(struct adapter *padapter)
693 {
694 	unsigned int mac_id;
695 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
696 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
697 
698 	for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
699 		if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
700 			pmlmeinfo->FW_sta_info[mac_id].status = 1;
701 			pmlmeinfo->FW_sta_info[mac_id].retry = 0;
702 			break;
703 		}
704 	}
705 
706 	return mac_id;
707 }
708 
flush_all_cam_entry(struct adapter * padapter)709 void flush_all_cam_entry(struct adapter *padapter)
710 {
711 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
712 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
713 
714 	invalidate_cam_all(padapter);
715 	/* clear default key related key search setting */
716 	rtw_hal_set_hwreg(padapter, HW_VAR_SEC_DK_CFG, (u8 *)false);
717 
718 	memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
719 }
720 
WMM_param_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)721 int WMM_param_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
722 {
723 	/* struct registry_priv *pregpriv = &padapter->registrypriv; */
724 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
725 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
726 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
727 
728 	if (pmlmepriv->qospriv.qos_option == 0) {
729 		pmlmeinfo->WMM_enable = 0;
730 		return false;
731 	}
732 
733 	if (!memcmp(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element)))
734 		return false;
735 	else
736 		memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
737 
738 	pmlmeinfo->WMM_enable = 1;
739 	return true;
740 }
741 
sort_wmm_ac_params(u32 * inx,u32 * edca)742 static void sort_wmm_ac_params(u32 *inx, u32 *edca)
743 {
744 	u32 i, j, change_inx = false;
745 
746 	/* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
747 	for (i = 0; i < 4; i++) {
748 		for (j = i + 1; j < 4; j++) {
749 			/* compare CW and AIFS */
750 			if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
751 				change_inx = true;
752 			} else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
753 				/* compare TXOP */
754 				if ((edca[j] >> 16) > (edca[i] >> 16))
755 					change_inx = true;
756 			}
757 
758 			if (change_inx) {
759 				swap(edca[i], edca[j]);
760 				swap(inx[i], inx[j]);
761 
762 				change_inx = false;
763 			}
764 		}
765 	}
766 }
767 
WMMOnAssocRsp(struct adapter * padapter)768 void WMMOnAssocRsp(struct adapter *padapter)
769 {
770 	u8 ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
771 	u8 acm_mask;
772 	u16 TXOP;
773 	u32 acParm, i;
774 	u32 edca[4], inx[4];
775 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
776 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
777 	struct xmit_priv *pxmitpriv = &padapter->xmitpriv;
778 	struct registry_priv *pregpriv = &padapter->registrypriv;
779 
780 	acm_mask = 0;
781 
782 	if (pmlmeext->cur_wireless_mode & WIRELESS_11_24N)
783 		aSifsTime = 16;
784 	else
785 		aSifsTime = 10;
786 
787 	if (pmlmeinfo->WMM_enable == 0) {
788 		padapter->mlmepriv.acm_mask = 0;
789 
790 		AIFS = aSifsTime + (2 * pmlmeinfo->slotTime);
791 
792 		if (pmlmeext->cur_wireless_mode & WIRELESS_11G) {
793 			ECWMin = 4;
794 			ECWMax = 10;
795 		} else if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
796 			ECWMin = 5;
797 			ECWMax = 10;
798 		} else {
799 			ECWMin = 4;
800 			ECWMax = 10;
801 		}
802 
803 		TXOP = 0;
804 		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
805 		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
806 		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
807 		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
808 
809 		ECWMin = 2;
810 		ECWMax = 3;
811 		TXOP = 0x2f;
812 		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
813 		rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
814 	} else {
815 		edca[0] = edca[1] = edca[2] = edca[3] = 0;
816 
817 		for (i = 0; i < 4; i++) {
818 			ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
819 			ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
820 
821 			/* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
822 			AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
823 
824 			ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
825 			ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
826 			TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
827 
828 			acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
829 
830 			switch (ACI) {
831 			case 0x0:
832 				rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
833 				acm_mask |= (ACM ? BIT(1):0);
834 				edca[XMIT_BE_QUEUE] = acParm;
835 				break;
836 
837 			case 0x1:
838 				rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
839 				/* acm_mask |= (ACM? BIT(0):0); */
840 				edca[XMIT_BK_QUEUE] = acParm;
841 				break;
842 
843 			case 0x2:
844 				rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
845 				acm_mask |= (ACM ? BIT(2):0);
846 				edca[XMIT_VI_QUEUE] = acParm;
847 				break;
848 
849 			case 0x3:
850 				rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
851 				acm_mask |= (ACM ? BIT(3):0);
852 				edca[XMIT_VO_QUEUE] = acParm;
853 				break;
854 			}
855 		}
856 
857 		if (padapter->registrypriv.acm_method == 1)
858 			rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
859 		else
860 			padapter->mlmepriv.acm_mask = acm_mask;
861 
862 		inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
863 
864 		if (pregpriv->wifi_spec == 1)
865 			sort_wmm_ac_params(inx, edca);
866 
867 		for (i = 0; i < 4; i++)
868 			pxmitpriv->wmm_para_seq[i] = inx[i];
869 	}
870 }
871 
bwmode_update_check(struct adapter * padapter,struct ndis_80211_var_ie * pIE)872 static void bwmode_update_check(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
873 {
874 	unsigned char  new_bwmode;
875 	unsigned char  new_ch_offset;
876 	struct HT_info_element	 *pHT_info;
877 	struct mlme_priv *pmlmepriv = &(padapter->mlmepriv);
878 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
879 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
880 	struct registry_priv *pregistrypriv = &padapter->registrypriv;
881 	struct ht_priv *phtpriv = &pmlmepriv->htpriv;
882 	u8 cbw40_enable = 0;
883 
884 	if (!pIE)
885 		return;
886 
887 	if (phtpriv->ht_option == false)
888 		return;
889 
890 	if (pIE->length > sizeof(struct HT_info_element))
891 		return;
892 
893 	pHT_info = (struct HT_info_element *)pIE->data;
894 
895 	if (pmlmeext->cur_channel > 14) {
896 		if ((pregistrypriv->bw_mode & 0xf0) > 0)
897 			cbw40_enable = 1;
898 	} else {
899 		if ((pregistrypriv->bw_mode & 0x0f) > 0)
900 			cbw40_enable = 1;
901 	}
902 
903 	if ((pHT_info->infos[0] & BIT(2)) && cbw40_enable) {
904 		new_bwmode = CHANNEL_WIDTH_40;
905 
906 		switch (pHT_info->infos[0] & 0x3) {
907 		case 1:
908 			new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
909 			break;
910 
911 		case 3:
912 			new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
913 			break;
914 
915 		default:
916 			new_bwmode = CHANNEL_WIDTH_20;
917 			new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
918 			break;
919 		}
920 	} else {
921 		new_bwmode = CHANNEL_WIDTH_20;
922 		new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
923 	}
924 
925 	if ((new_bwmode != pmlmeext->cur_bwmode) || (new_ch_offset != pmlmeext->cur_ch_offset)) {
926 		pmlmeinfo->bwmode_updated = true;
927 
928 		pmlmeext->cur_bwmode = new_bwmode;
929 		pmlmeext->cur_ch_offset = new_ch_offset;
930 
931 		/* update HT info also */
932 		HT_info_handler(padapter, pIE);
933 	} else {
934 		pmlmeinfo->bwmode_updated = false;
935 	}
936 
937 	if (true == pmlmeinfo->bwmode_updated) {
938 		struct sta_info *psta;
939 		struct wlan_bssid_ex	*cur_network = &(pmlmeinfo->network);
940 		struct sta_priv *pstapriv = &padapter->stapriv;
941 
942 		/* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
943 
944 		/* update ap's stainfo */
945 		psta = rtw_get_stainfo(pstapriv, cur_network->mac_address);
946 		if (psta) {
947 			struct ht_priv *phtpriv_sta = &psta->htpriv;
948 
949 			if (phtpriv_sta->ht_option) {
950 				/*  bwmode */
951 				psta->bw_mode = pmlmeext->cur_bwmode;
952 				phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
953 			} else {
954 				psta->bw_mode = CHANNEL_WIDTH_20;
955 				phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
956 			}
957 
958 			rtw_dm_ra_mask_wk_cmd(padapter, (u8 *)psta);
959 		}
960 	}
961 }
962 
HT_caps_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)963 void HT_caps_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
964 {
965 	unsigned int	i;
966 	u8 max_AMPDU_len, min_MPDU_spacing;
967 	u8 cur_ldpc_cap = 0, cur_stbc_cap = 0;
968 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
969 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
970 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
971 	struct ht_priv *phtpriv = &pmlmepriv->htpriv;
972 
973 	if (!pIE)
974 		return;
975 
976 	if (phtpriv->ht_option == false)
977 		return;
978 
979 	pmlmeinfo->HT_caps_enable = 1;
980 
981 	for (i = 0; i < (pIE->length); i++) {
982 		if (i != 2) {
983 			/* Commented by Albert 2010/07/12 */
984 			/* Got the endian issue here. */
985 			pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
986 		} else {
987 			/* modify from  fw by Thomas 2010/11/17 */
988 			max_AMPDU_len = min(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3,
989 					    pIE->data[i] & 0x3);
990 
991 			min_MPDU_spacing = max(pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c,
992 					       pIE->data[i] & 0x1c);
993 
994 			pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
995 		}
996 	}
997 
998 	/* update the MCS set */
999 	for (i = 0; i < 16; i++)
1000 		pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= pmlmeext->default_supported_mcs_set[i];
1001 
1002 	/* update the MCS rates */
1003 	set_mcs_rate_by_mask(pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate, MCS_RATE_1R);
1004 
1005 	if (check_fwstate(pmlmepriv, WIFI_AP_STATE)) {
1006 		/*  Config STBC setting */
1007 		if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
1008 		    GET_HT_CAPABILITY_ELE_TX_STBC(pIE->data))
1009 			SET_FLAG(cur_stbc_cap, STBC_HT_ENABLE_TX);
1010 
1011 		phtpriv->stbc_cap = cur_stbc_cap;
1012 	} else {
1013 		/*  Config LDPC Coding Capability */
1014 		if (TEST_FLAG(phtpriv->ldpc_cap, LDPC_HT_ENABLE_TX) &&
1015 		    GET_HT_CAPABILITY_ELE_LDPC_CAP(pIE->data))
1016 			SET_FLAG(cur_ldpc_cap, (LDPC_HT_ENABLE_TX | LDPC_HT_CAP_TX));
1017 
1018 		phtpriv->ldpc_cap = cur_ldpc_cap;
1019 
1020 		/*  Config STBC setting */
1021 		if (TEST_FLAG(phtpriv->stbc_cap, STBC_HT_ENABLE_TX) &&
1022 		    GET_HT_CAPABILITY_ELE_RX_STBC(pIE->data))
1023 			SET_FLAG(cur_stbc_cap, (STBC_HT_ENABLE_TX | STBC_HT_CAP_TX));
1024 
1025 		phtpriv->stbc_cap = cur_stbc_cap;
1026 	}
1027 }
1028 
HT_info_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)1029 void HT_info_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1030 {
1031 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1032 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1033 	struct mlme_priv *pmlmepriv = &padapter->mlmepriv;
1034 	struct ht_priv *phtpriv = &pmlmepriv->htpriv;
1035 
1036 	if (!pIE)
1037 		return;
1038 
1039 	if (phtpriv->ht_option == false)
1040 		return;
1041 
1042 	if (pIE->length > sizeof(struct HT_info_element))
1043 		return;
1044 
1045 	pmlmeinfo->HT_info_enable = 1;
1046 	memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->length);
1047 }
1048 
HTOnAssocRsp(struct adapter * padapter)1049 void HTOnAssocRsp(struct adapter *padapter)
1050 {
1051 	unsigned char max_AMPDU_len;
1052 	unsigned char min_MPDU_spacing;
1053 	/* struct registry_priv  *pregpriv = &padapter->registrypriv; */
1054 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1055 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1056 
1057 	if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
1058 		pmlmeinfo->HT_enable = 1;
1059 	} else {
1060 		pmlmeinfo->HT_enable = 0;
1061 		/* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
1062 		return;
1063 	}
1064 
1065 	/* handle A-MPDU parameter field */
1066 	/*
1067 		AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
1068 		AMPDU_para [4:2]:Min MPDU Start Spacing
1069 	*/
1070 	max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
1071 
1072 	min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
1073 
1074 	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
1075 
1076 	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
1077 }
1078 
ERP_IE_handler(struct adapter * padapter,struct ndis_80211_var_ie * pIE)1079 void ERP_IE_handler(struct adapter *padapter, struct ndis_80211_var_ie *pIE)
1080 {
1081 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1082 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1083 
1084 	if (pIE->length > 1)
1085 		return;
1086 
1087 	pmlmeinfo->ERP_enable = 1;
1088 	memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->length);
1089 }
1090 
VCS_update(struct adapter * padapter,struct sta_info * psta)1091 void VCS_update(struct adapter *padapter, struct sta_info *psta)
1092 {
1093 	struct registry_priv  *pregpriv = &padapter->registrypriv;
1094 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1095 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1096 
1097 	switch (pregpriv->vrtl_carrier_sense) {/* 0:off 1:on 2:auto */
1098 	case 0: /* off */
1099 		psta->rtsen = 0;
1100 		psta->cts2self = 0;
1101 		break;
1102 
1103 	case 1: /* on */
1104 		if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
1105 			psta->rtsen = 1;
1106 			psta->cts2self = 0;
1107 		} else {
1108 			psta->rtsen = 0;
1109 			psta->cts2self = 1;
1110 		}
1111 		break;
1112 
1113 	case 2: /* auto */
1114 	default:
1115 		if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
1116 			if (pregpriv->vcs_type == 1) {
1117 				psta->rtsen = 1;
1118 				psta->cts2self = 0;
1119 			} else {
1120 				psta->rtsen = 0;
1121 				psta->cts2self = 1;
1122 			}
1123 		} else {
1124 			psta->rtsen = 0;
1125 			psta->cts2self = 0;
1126 		}
1127 		break;
1128 	}
1129 }
1130 
update_ldpc_stbc_cap(struct sta_info * psta)1131 void update_ldpc_stbc_cap(struct sta_info *psta)
1132 {
1133 	if (psta->htpriv.ht_option) {
1134 		if (TEST_FLAG(psta->htpriv.ldpc_cap, LDPC_HT_ENABLE_TX))
1135 			psta->ldpc = 1;
1136 
1137 		if (TEST_FLAG(psta->htpriv.stbc_cap, STBC_HT_ENABLE_TX))
1138 			psta->stbc = 1;
1139 	} else {
1140 		psta->ldpc = 0;
1141 		psta->stbc = 0;
1142 	}
1143 }
1144 
rtw_check_bcn_info(struct adapter * Adapter,u8 * pframe,u32 packet_len)1145 int rtw_check_bcn_info(struct adapter *Adapter, u8 *pframe, u32 packet_len)
1146 {
1147 	unsigned int len;
1148 	unsigned char *p;
1149 	unsigned short	val16, subtype;
1150 	struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
1151 	/* u8 wpa_ie[255], rsn_ie[255]; */
1152 	u16 wpa_len = 0, rsn_len = 0;
1153 	u8 encryp_protocol = 0;
1154 	struct wlan_bssid_ex *bssid;
1155 	int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
1156 	unsigned char *pbuf;
1157 	u32 wpa_ielen = 0;
1158 	u8 *pbssid = GetAddr3Ptr(pframe);
1159 	struct HT_info_element *pht_info = NULL;
1160 	struct ieee80211_ht_cap *pht_cap = NULL;
1161 	u32 bcn_channel;
1162 	unsigned short	ht_cap_info;
1163 	unsigned char ht_info_infos_0;
1164 	struct mlme_priv *pmlmepriv = &Adapter->mlmepriv;
1165 	int ssid_len;
1166 
1167 	if (is_client_associated_to_ap(Adapter) == false)
1168 		return true;
1169 
1170 	len = packet_len - sizeof(struct ieee80211_hdr_3addr);
1171 
1172 	if (len > MAX_IE_SZ)
1173 		return _FAIL;
1174 
1175 	if (memcmp(cur_network->network.mac_address, pbssid, 6))
1176 		return true;
1177 
1178 	bssid = rtw_zmalloc(sizeof(struct wlan_bssid_ex));
1179 	if (!bssid)
1180 		return true;
1181 
1182 	if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) > DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)) {
1183 		pmlmepriv->timeBcnInfoChkStart = 0;
1184 		pmlmepriv->NumOfBcnInfoChkFail = 0;
1185 	}
1186 
1187 	subtype = GetFrameSubType(pframe) >> 4;
1188 
1189 	if (subtype == WIFI_BEACON)
1190 		bssid->reserved[0] = 1;
1191 
1192 	bssid->length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
1193 
1194 	/* below is to copy the information element */
1195 	bssid->ie_length = len;
1196 	memcpy(bssid->ies, (pframe + sizeof(struct ieee80211_hdr_3addr)), bssid->ie_length);
1197 
1198 	/* check bw and channel offset */
1199 	/* parsing HT_CAP_IE */
1200 	p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1201 	if (p && len > 0) {
1202 		pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1203 		ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1204 	} else {
1205 		ht_cap_info = 0;
1206 	}
1207 	/* parsing HT_INFO_IE */
1208 	p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1209 	if (p && len > 0) {
1210 		pht_info = (struct HT_info_element *)(p + 2);
1211 		ht_info_infos_0 = pht_info->infos[0];
1212 	} else {
1213 		ht_info_infos_0 = 0;
1214 	}
1215 	if (ht_cap_info != cur_network->bcn_info.ht_cap_info ||
1216 	    ((ht_info_infos_0&0x03) != (cur_network->bcn_info.ht_info_infos_0&0x03))) {
1217 		{
1218 			/* bcn_info_update */
1219 			cur_network->bcn_info.ht_cap_info = ht_cap_info;
1220 			cur_network->bcn_info.ht_info_infos_0 = ht_info_infos_0;
1221 			/* to do : need to check that whether modify related register of BB or not */
1222 		}
1223 		/* goto _mismatch; */
1224 	}
1225 
1226 	/* Checking for channel */
1227 	p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_DS_PARAMS, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1228 	if (p) {
1229 		bcn_channel = *(p + 2);
1230 	} else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
1231 		rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION,
1232 			   &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1233 		if (pht_info)
1234 			bcn_channel = pht_info->primary_channel;
1235 		else /* we don't find channel IE, so don't check it */
1236 			bcn_channel = Adapter->mlmeextpriv.cur_channel;
1237 	}
1238 
1239 	if (bcn_channel != Adapter->mlmeextpriv.cur_channel)
1240 		goto _mismatch;
1241 
1242 	/* checking SSID */
1243 	ssid_len = 0;
1244 	p = rtw_get_ie(bssid->ies + _FIXED_IE_LENGTH_, WLAN_EID_SSID, &len, bssid->ie_length - _FIXED_IE_LENGTH_);
1245 	if (p) {
1246 		ssid_len = *(p + 1);
1247 		if (ssid_len > NDIS_802_11_LENGTH_SSID)
1248 			ssid_len = 0;
1249 	}
1250 	memcpy(bssid->ssid.ssid, (p + 2), ssid_len);
1251 	bssid->ssid.ssid_length = ssid_len;
1252 
1253 	if (memcmp(bssid->ssid.ssid, cur_network->network.ssid.ssid, 32) ||
1254 			bssid->ssid.ssid_length != cur_network->network.ssid.ssid_length)
1255 		if (bssid->ssid.ssid[0] != '\0' &&
1256 		    bssid->ssid.ssid_length != 0) /* not hidden ssid */
1257 			goto _mismatch;
1258 
1259 	/* check encryption info */
1260 	val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1261 
1262 	if (val16 & BIT(4))
1263 		bssid->privacy = 1;
1264 	else
1265 		bssid->privacy = 0;
1266 
1267 	if (cur_network->network.privacy != bssid->privacy)
1268 		goto _mismatch;
1269 
1270 	rtw_get_sec_ie(bssid->ies, bssid->ie_length, NULL, &rsn_len, NULL, &wpa_len);
1271 
1272 	if (rsn_len > 0)
1273 		encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1274 	else if (wpa_len > 0)
1275 		encryp_protocol = ENCRYP_PROTOCOL_WPA;
1276 	else
1277 		if (bssid->privacy)
1278 			encryp_protocol = ENCRYP_PROTOCOL_WEP;
1279 
1280 	if (cur_network->bcn_info.encryp_protocol != encryp_protocol)
1281 		goto _mismatch;
1282 
1283 	if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1284 		pbuf = rtw_get_wpa_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length-12);
1285 		if (pbuf && (wpa_ielen > 0)) {
1286 			rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher,
1287 					 &pairwise_cipher, &is_8021x);
1288 		} else {
1289 			pbuf = rtw_get_wpa2_ie(&bssid->ies[12], &wpa_ielen, bssid->ie_length-12);
1290 
1291 			if (pbuf && (wpa_ielen > 0))
1292 				rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher,
1293 						  &pairwise_cipher, &is_8021x);
1294 		}
1295 
1296 		if (pairwise_cipher != cur_network->bcn_info.pairwise_cipher ||
1297 		    group_cipher != cur_network->bcn_info.group_cipher)
1298 			goto _mismatch;
1299 
1300 		if (is_8021x != cur_network->bcn_info.is_8021x)
1301 			goto _mismatch;
1302 	}
1303 
1304 	kfree(bssid);
1305 	return _SUCCESS;
1306 
1307 _mismatch:
1308 	kfree(bssid);
1309 
1310 	if (pmlmepriv->NumOfBcnInfoChkFail == 0)
1311 		pmlmepriv->timeBcnInfoChkStart = jiffies;
1312 
1313 	pmlmepriv->NumOfBcnInfoChkFail++;
1314 
1315 	if ((pmlmepriv->timeBcnInfoChkStart != 0) && (jiffies_to_msecs(jiffies - pmlmepriv->timeBcnInfoChkStart) <= DISCONNECT_BY_CHK_BCN_FAIL_OBSERV_PERIOD_IN_MS)
1316 		&& (pmlmepriv->NumOfBcnInfoChkFail >= DISCONNECT_BY_CHK_BCN_FAIL_THRESHOLD)) {
1317 		pmlmepriv->timeBcnInfoChkStart = 0;
1318 		pmlmepriv->NumOfBcnInfoChkFail = 0;
1319 		return _FAIL;
1320 	}
1321 
1322 	return _SUCCESS;
1323 }
1324 
update_beacon_info(struct adapter * padapter,u8 * pframe,uint pkt_len,struct sta_info * psta)1325 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1326 {
1327 	unsigned int i;
1328 	unsigned int len;
1329 	struct ndis_80211_var_ie *pIE;
1330 
1331 	len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1332 
1333 	for (i = 0; i < len;) {
1334 		pIE = (struct ndis_80211_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1335 
1336 		switch (pIE->element_id) {
1337 		case WLAN_EID_VENDOR_SPECIFIC:
1338 			/* to update WMM parameter set while receiving beacon */
1339 			if (!memcmp(pIE->data, WMM_PARA_OUI, 6) && pIE->length == WLAN_WMM_LEN)	/* WMM */
1340 				if (WMM_param_handler(padapter, pIE))
1341 					report_wmm_edca_update(padapter);
1342 
1343 			break;
1344 
1345 		case WLAN_EID_HT_OPERATION:	/* HT info */
1346 			/* HT_info_handler(padapter, pIE); */
1347 			bwmode_update_check(padapter, pIE);
1348 			break;
1349 
1350 		case WLAN_EID_ERP_INFO:
1351 			ERP_IE_handler(padapter, pIE);
1352 			VCS_update(padapter, psta);
1353 			break;
1354 
1355 		default:
1356 			break;
1357 		}
1358 
1359 		i += (pIE->length + 2);
1360 	}
1361 }
1362 
is_ap_in_tkip(struct adapter * padapter)1363 unsigned int is_ap_in_tkip(struct adapter *padapter)
1364 {
1365 	u32 i;
1366 	struct ndis_80211_var_ie *pIE;
1367 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1368 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1369 	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
1370 
1371 	if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1372 		for (i = sizeof(struct ndis_802_11_fix_ie); i < pmlmeinfo->network.ie_length;) {
1373 			pIE = (struct ndis_80211_var_ie *)(pmlmeinfo->network.ies + i);
1374 
1375 			switch (pIE->element_id) {
1376 			case WLAN_EID_VENDOR_SPECIFIC:
1377 				if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1378 					return true;
1379 
1380 				break;
1381 
1382 			case WLAN_EID_RSN:
1383 				if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1384 					return true;
1385 				break;
1386 
1387 			default:
1388 				break;
1389 			}
1390 
1391 			i += (pIE->length + 2);
1392 		}
1393 
1394 		return false;
1395 	} else {
1396 		return false;
1397 	}
1398 }
1399 
support_short_GI(struct adapter * padapter,struct HT_caps_element * pHT_caps,u8 bwmode)1400 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps, u8 bwmode)
1401 {
1402 	unsigned char bit_offset;
1403 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1404 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1405 
1406 	if (!(pmlmeinfo->HT_enable))
1407 		return _FAIL;
1408 
1409 	bit_offset = (bwmode & CHANNEL_WIDTH_40) ? 6 : 5;
1410 
1411 	if (le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1412 		return _SUCCESS;
1413 	else
1414 		return _FAIL;
1415 }
1416 
get_highest_rate_idx(u32 mask)1417 unsigned char get_highest_rate_idx(u32 mask)
1418 {
1419 	int i;
1420 	unsigned char rate_idx = 0;
1421 
1422 	for (i = 31; i >= 0; i--) {
1423 		if (mask & BIT(i)) {
1424 			rate_idx = i;
1425 			break;
1426 		}
1427 	}
1428 
1429 	return rate_idx;
1430 }
1431 
Update_RA_Entry(struct adapter * padapter,struct sta_info * psta)1432 void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
1433 {
1434 	rtw_hal_update_ra_mask(psta, 0);
1435 }
1436 
set_sta_rate(struct adapter * padapter,struct sta_info * psta)1437 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1438 {
1439 	/* rate adaptive */
1440 	Update_RA_Entry(padapter, psta);
1441 }
1442 
get_realtek_assoc_AP_vender(struct ndis_80211_var_ie * pIE)1443 static u32 get_realtek_assoc_AP_vender(struct ndis_80211_var_ie *pIE)
1444 {
1445 	u32 Vender = HT_IOT_PEER_REALTEK;
1446 
1447 	if (pIE->length >= 5) {
1448 		if (pIE->data[4] == 1)
1449 			/* if (pIE->data[5] & RT_HT_CAP_USE_LONG_PREAMBLE) */
1450 			/* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_LONG_PREAMBLE; */
1451 			if (pIE->data[5] & RT_HT_CAP_USE_92SE)
1452 				/* bssDesc->BssHT.RT2RT_HT_Mode |= RT_HT_CAP_USE_92SE; */
1453 				Vender = HT_IOT_PEER_REALTEK_92SE;
1454 
1455 		if (pIE->data[5] & RT_HT_CAP_USE_SOFTAP)
1456 			Vender = HT_IOT_PEER_REALTEK_SOFTAP;
1457 
1458 		if (pIE->data[4] == 2) {
1459 			if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_BCUT)
1460 				Vender = HT_IOT_PEER_REALTEK_JAGUAR_BCUTAP;
1461 
1462 			if (pIE->data[6] & RT_HT_CAP_USE_JAGUAR_CCUT)
1463 				Vender = HT_IOT_PEER_REALTEK_JAGUAR_CCUTAP;
1464 		}
1465 	}
1466 
1467 	return Vender;
1468 }
1469 
check_assoc_AP(u8 * pframe,uint len)1470 unsigned char check_assoc_AP(u8 *pframe, uint len)
1471 {
1472 	unsigned int	i;
1473 	struct ndis_80211_var_ie *pIE;
1474 
1475 	for (i = sizeof(struct ndis_802_11_fix_ie); i < len;) {
1476 		pIE = (struct ndis_80211_var_ie *)(pframe + i);
1477 
1478 		switch (pIE->element_id) {
1479 		case WLAN_EID_VENDOR_SPECIFIC:
1480 			if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) || (!memcmp(pIE->data, ARTHEROS_OUI2, 3)))
1481 				return HT_IOT_PEER_ATHEROS;
1482 			else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1483 				 (!memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
1484 				 (!memcmp(pIE->data, BROADCOM_OUI3, 3)))
1485 				return HT_IOT_PEER_BROADCOM;
1486 			else if (!memcmp(pIE->data, MARVELL_OUI, 3))
1487 				return HT_IOT_PEER_MARVELL;
1488 			else if (!memcmp(pIE->data, RALINK_OUI, 3))
1489 				return HT_IOT_PEER_RALINK;
1490 			else if (!memcmp(pIE->data, CISCO_OUI, 3))
1491 				return HT_IOT_PEER_CISCO;
1492 			else if (!memcmp(pIE->data, REALTEK_OUI, 3))
1493 				return get_realtek_assoc_AP_vender(pIE);
1494 			else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3))
1495 				return HT_IOT_PEER_AIRGO;
1496 			else
1497 				break;
1498 
1499 		default:
1500 			break;
1501 		}
1502 
1503 		i += (pIE->length + 2);
1504 	}
1505 
1506 	return HT_IOT_PEER_UNKNOWN;
1507 }
1508 
update_IOT_info(struct adapter * padapter)1509 void update_IOT_info(struct adapter *padapter)
1510 {
1511 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1512 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1513 
1514 	switch (pmlmeinfo->assoc_AP_vendor) {
1515 	case HT_IOT_PEER_MARVELL:
1516 		pmlmeinfo->turboMode_cts2self = 1;
1517 		pmlmeinfo->turboMode_rtsen = 0;
1518 		break;
1519 
1520 	case HT_IOT_PEER_RALINK:
1521 		pmlmeinfo->turboMode_cts2self = 0;
1522 		pmlmeinfo->turboMode_rtsen = 1;
1523 		/* disable high power */
1524 		Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1525 		break;
1526 	case HT_IOT_PEER_REALTEK:
1527 		/* rtw_write16(padapter, 0x4cc, 0xffff); */
1528 		/* rtw_write16(padapter, 0x546, 0x01c0); */
1529 		/* disable high power */
1530 		Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1531 		break;
1532 	default:
1533 		pmlmeinfo->turboMode_cts2self = 0;
1534 		pmlmeinfo->turboMode_rtsen = 1;
1535 		break;
1536 	}
1537 }
1538 
update_capinfo(struct adapter * Adapter,u16 updateCap)1539 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1540 {
1541 	struct mlme_ext_priv *pmlmeext = &Adapter->mlmeextpriv;
1542 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1543 	bool		ShortPreamble;
1544 
1545 	/*  Check preamble mode, 2005.01.06, by rcnjko. */
1546 	/*  Mark to update preamble value forever, 2008.03.18 by lanhsin */
1547 	/* if (pMgntInfo->RegPreambleMode == PREAMBLE_AUTO) */
1548 	{
1549 		if (updateCap & cShortPreamble) {
1550 			/*  Short Preamble */
1551 			if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /*  PREAMBLE_LONG or PREAMBLE_AUTO */
1552 				ShortPreamble = true;
1553 				pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1554 				rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1555 			}
1556 		} else {
1557 			/*  Long Preamble */
1558 			if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) { /*  PREAMBLE_SHORT or PREAMBLE_AUTO */
1559 				ShortPreamble = false;
1560 				pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1561 				rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1562 			}
1563 		}
1564 	}
1565 
1566 	if (updateCap & cIBSS) {
1567 		/* Filen: See 802.11-2007 p.91 */
1568 		pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1569 	} else {
1570 		/* Filen: See 802.11-2007 p.90 */
1571 		if (pmlmeext->cur_wireless_mode & (WIRELESS_11_24N)) {
1572 			pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1573 		} else if (pmlmeext->cur_wireless_mode & (WIRELESS_11G)) {
1574 			if ((updateCap & cShortSlotTime) /* && (!(pMgntInfo->pHTInfo->RT2RT_HT_Mode & RT_HT_CAP_USE_LONG_PREAMBLE)) */)
1575 				/*  Short Slot Time */
1576 				pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1577 			else
1578 				/*  Long Slot Time */
1579 				pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1580 		} else {
1581 			/* B Mode */
1582 			pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1583 		}
1584 	}
1585 
1586 	rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1587 }
1588 
update_wireless_mode(struct adapter * padapter)1589 void update_wireless_mode(struct adapter *padapter)
1590 {
1591 	int network_type = 0;
1592 	u32 SIFS_Timer;
1593 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1594 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1595 	struct wlan_bssid_ex *cur_network = &(pmlmeinfo->network);
1596 	unsigned char *rate = cur_network->supported_rates;
1597 
1598 	if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1599 		pmlmeinfo->HT_enable = 1;
1600 
1601 	if (pmlmeinfo->HT_enable)
1602 		network_type = WIRELESS_11_24N;
1603 
1604 	if (rtw_is_cckratesonly_included(rate))
1605 		network_type |= WIRELESS_11B;
1606 	else if (rtw_is_cckrates_included(rate))
1607 		network_type |= WIRELESS_11BG;
1608 	else
1609 		network_type |= WIRELESS_11G;
1610 
1611 	pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1612 
1613 	SIFS_Timer = 0x0a0a0808; /* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1614 													/* change this value if having IOT issues. */
1615 
1616 	padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS,  (u8 *)&SIFS_Timer);
1617 
1618 	padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_WIRELESS_MODE,  (u8 *)&(pmlmeext->cur_wireless_mode));
1619 
1620 	if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1621 		update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1622 	else
1623 		update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1624 }
1625 
update_sta_basic_rate(struct sta_info * psta,u8 wireless_mode)1626 void update_sta_basic_rate(struct sta_info *psta, u8 wireless_mode)
1627 {
1628 	if (is_supported_tx_cck(wireless_mode)) {
1629 		/*  Only B, B/G, and B/G/N AP could use CCK rate */
1630 		memcpy(psta->bssrateset, rtw_basic_rate_cck, 4);
1631 		psta->bssratelen = 4;
1632 	} else {
1633 		memcpy(psta->bssrateset, rtw_basic_rate_ofdm, 3);
1634 		psta->bssratelen = 3;
1635 	}
1636 }
1637 
update_sta_support_rate(struct adapter * padapter,u8 * pvar_ie,uint var_ie_len,int cam_idx)1638 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1639 {
1640 	unsigned int	ie_len;
1641 	struct ndis_80211_var_ie *pIE;
1642 	int	supportRateNum = 0;
1643 	struct mlme_ext_priv *pmlmeext = &(padapter->mlmeextpriv);
1644 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1645 
1646 	pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_SUPP_RATES, &ie_len, var_ie_len);
1647 	if (!pIE)
1648 		return _FAIL;
1649 	if (ie_len > sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates))
1650 		return _FAIL;
1651 
1652 	memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1653 	supportRateNum = ie_len;
1654 
1655 	pIE = (struct ndis_80211_var_ie *)rtw_get_ie(pvar_ie, WLAN_EID_EXT_SUPP_RATES, &ie_len, var_ie_len);
1656 	if (pIE && (ie_len <= sizeof(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates) - supportRateNum))
1657 		memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1658 
1659 	return _SUCCESS;
1660 }
1661 
process_addba_req(struct adapter * padapter,u8 * paddba_req,u8 * addr)1662 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1663 {
1664 	struct sta_info *psta;
1665 	u16 tid, param;
1666 	struct recv_reorder_ctrl *preorder_ctrl;
1667 	struct sta_priv *pstapriv = &padapter->stapriv;
1668 	struct ADDBA_request *preq = (struct ADDBA_request *)paddba_req;
1669 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1670 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1671 
1672 	psta = rtw_get_stainfo(pstapriv, addr);
1673 
1674 	if (psta) {
1675 		param = le16_to_cpu(preq->BA_para_set);
1676 		tid = (param>>2)&0x0f;
1677 
1678 		preorder_ctrl = &psta->recvreorder_ctrl[tid];
1679 
1680 		preorder_ctrl->indicate_seq = 0xffff;
1681 
1682 		preorder_ctrl->enable = pmlmeinfo->accept_addba_req;
1683 	}
1684 }
1685 
update_TSF(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1686 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1687 {
1688 	u8 *pIE;
1689 	__le32 *pbuf;
1690 
1691 	pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1692 	pbuf = (__le32 *)pIE;
1693 
1694 	pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1695 
1696 	pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1697 
1698 	pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1699 }
1700 
correct_TSF(struct adapter * padapter,struct mlme_ext_priv * pmlmeext)1701 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1702 {
1703 	rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1704 }
1705 
adaptive_early_32k(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1706 void adaptive_early_32k(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1707 {
1708 	int i;
1709 	u8 *pIE;
1710 	__le32 *pbuf;
1711 	u64 tsf = 0;
1712 	u32 delay_ms;
1713 	struct mlme_ext_info *pmlmeinfo = &(pmlmeext->mlmext_info);
1714 
1715 	pmlmeext->bcn_cnt++;
1716 
1717 	pIE = pframe + sizeof(struct ieee80211_hdr_3addr);
1718 	pbuf = (__le32 *)pIE;
1719 
1720 	tsf = le32_to_cpu(*(pbuf+1));
1721 	tsf = tsf << 32;
1722 	tsf |= le32_to_cpu(*pbuf);
1723 
1724 	/* delay = (timestamp mod 1024*100)/1000 (unit: ms) */
1725 	/* delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024))/1000; */
1726 	delay_ms = do_div(tsf, (pmlmeinfo->bcn_interval*1024));
1727 	delay_ms = delay_ms/1000;
1728 
1729 	if (delay_ms >= 8)
1730 		pmlmeext->bcn_delay_cnt[8]++;
1731 		/* pmlmeext->bcn_delay_ratio[8] = (pmlmeext->bcn_delay_cnt[8] * 100) /pmlmeext->bcn_cnt; */
1732 	else
1733 		pmlmeext->bcn_delay_cnt[delay_ms]++;
1734 		/* pmlmeext->bcn_delay_ratio[delay_ms] = (pmlmeext->bcn_delay_cnt[delay_ms] * 100) /pmlmeext->bcn_cnt; */
1735 
1736 /*
1737 
1738 	for (i = 0; i<9; i++)
1739 	{
1740 			pmlmeext->bcn_delay_cnt[i] , i, pmlmeext->bcn_delay_ratio[i]);
1741 	}
1742 */
1743 
1744 	/* dump for  adaptive_early_32k */
1745 	if (pmlmeext->bcn_cnt > 100 && (pmlmeext->adaptive_tsf_done == true)) {
1746 		u8 ratio_20_delay, ratio_80_delay;
1747 		u8 DrvBcnEarly, DrvBcnTimeOut;
1748 
1749 		ratio_20_delay = 0;
1750 		ratio_80_delay = 0;
1751 		DrvBcnEarly = 0xff;
1752 		DrvBcnTimeOut = 0xff;
1753 
1754 		for (i = 0; i < 9; i++) {
1755 			pmlmeext->bcn_delay_ratio[i] = (pmlmeext->bcn_delay_cnt[i] * 100) / pmlmeext->bcn_cnt;
1756 
1757 			ratio_20_delay += pmlmeext->bcn_delay_ratio[i];
1758 			ratio_80_delay += pmlmeext->bcn_delay_ratio[i];
1759 
1760 			if (ratio_20_delay > 20 && DrvBcnEarly == 0xff)
1761 				DrvBcnEarly = i;
1762 
1763 			if (ratio_80_delay > 80 && DrvBcnTimeOut == 0xff)
1764 				DrvBcnTimeOut = i;
1765 
1766 			/* reset adaptive_early_32k cnt */
1767 			pmlmeext->bcn_delay_cnt[i] = 0;
1768 			pmlmeext->bcn_delay_ratio[i] = 0;
1769 		}
1770 
1771 		pmlmeext->DrvBcnEarly = DrvBcnEarly;
1772 		pmlmeext->DrvBcnTimeOut = DrvBcnTimeOut;
1773 
1774 		pmlmeext->bcn_cnt = 0;
1775 	}
1776 }
1777 
rtw_alloc_macid(struct adapter * padapter,struct sta_info * psta)1778 void rtw_alloc_macid(struct adapter *padapter, struct sta_info *psta)
1779 {
1780 	int i;
1781 	struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1782 
1783 	if (is_broadcast_ether_addr(psta->hwaddr))
1784 		return;
1785 
1786 	if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN)) {
1787 		psta->mac_id = NUM_STA;
1788 		return;
1789 	}
1790 
1791 	spin_lock_bh(&pdvobj->lock);
1792 	for (i = 0; i < NUM_STA; i++) {
1793 		if (pdvobj->macid[i] == false) {
1794 			pdvobj->macid[i]  = true;
1795 			break;
1796 		}
1797 	}
1798 	spin_unlock_bh(&pdvobj->lock);
1799 
1800 	if (i > (NUM_STA - 1))
1801 		psta->mac_id = NUM_STA;
1802 	else
1803 		psta->mac_id = i;
1804 }
1805 
rtw_release_macid(struct adapter * padapter,struct sta_info * psta)1806 void rtw_release_macid(struct adapter *padapter, struct sta_info *psta)
1807 {
1808 	struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1809 
1810 	if (is_broadcast_ether_addr(psta->hwaddr))
1811 		return;
1812 
1813 	if (!memcmp(psta->hwaddr, myid(&padapter->eeprompriv), ETH_ALEN))
1814 		return;
1815 
1816 	spin_lock_bh(&pdvobj->lock);
1817 	if (psta->mac_id < NUM_STA && psta->mac_id != 1) {
1818 		if (pdvobj->macid[psta->mac_id] == true) {
1819 			pdvobj->macid[psta->mac_id] = false;
1820 			psta->mac_id = NUM_STA;
1821 		}
1822 	}
1823 	spin_unlock_bh(&pdvobj->lock);
1824 }
1825 
1826 /* For 8188E RA */
rtw_search_max_mac_id(struct adapter * padapter)1827 u8 rtw_search_max_mac_id(struct adapter *padapter)
1828 {
1829 	u8 max_mac_id = 0;
1830 	struct dvobj_priv *pdvobj = adapter_to_dvobj(padapter);
1831 	int i;
1832 
1833 	spin_lock_bh(&pdvobj->lock);
1834 	for (i = (NUM_STA-1); i >= 0 ; i--) {
1835 		if (pdvobj->macid[i] == true)
1836 			break;
1837 	}
1838 	max_mac_id = i;
1839 	spin_unlock_bh(&pdvobj->lock);
1840 
1841 	return max_mac_id;
1842 }
1843 
dvobj_get_port0_adapter(struct dvobj_priv * dvobj)1844 struct adapter *dvobj_get_port0_adapter(struct dvobj_priv *dvobj)
1845 {
1846 	if (get_iface_type(dvobj->padapters[i]) != IFACE_PORT0)
1847 		return NULL;
1848 
1849 	return dvobj->padapters;
1850 }
1851