1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2007 - 2012 Realtek Corporation. */
3 
4 #define _RTW_WLAN_UTIL_C_
5 
6 #include "../include/osdep_service.h"
7 #include "../include/drv_types.h"
8 #include "../include/wifi.h"
9 
10 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
11 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
12 
13 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
14 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
15 
16 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
17 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
18 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
19 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
20 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
21 static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
22 
23 unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
24 
25 #define R2T_PHY_DELAY	(0)
26 
27 /* define WAIT_FOR_BCN_TO_M	(3000) */
28 #define WAIT_FOR_BCN_TO_MIN	(6000)
29 #define WAIT_FOR_BCN_TO_MAX	(20000)
30 
31 static u8 rtw_basic_rate_cck[4] = {
32 	IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
33 	IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK
34 };
35 
36 static u8 rtw_basic_rate_ofdm[3] = {
37 	IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
38 	IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
39 };
40 
41 static u8 rtw_basic_rate_mix[7] = {
42 	IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK,
43 	IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK,
44 	IEEE80211_OFDM_RATE_6MB | IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB | IEEE80211_BASIC_RATE_MASK,
45 	IEEE80211_OFDM_RATE_24MB | IEEE80211_BASIC_RATE_MASK
46 };
47 
cckrates_included(unsigned char * rate,int ratelen)48 int cckrates_included(unsigned char *rate, int ratelen)
49 {
50 	int	i;
51 
52 	for (i = 0; i < ratelen; i++) {
53 		if  ((((rate[i]) & 0x7f) == 2)	|| (((rate[i]) & 0x7f) == 4) ||
54 		     (((rate[i]) & 0x7f) == 11)  || (((rate[i]) & 0x7f) == 22))
55 			return true;
56 	}
57 	return false;
58 }
59 
cckratesonly_included(unsigned char * rate,int ratelen)60 int cckratesonly_included(unsigned char *rate, int ratelen)
61 {
62 	int	i;
63 
64 	for (i = 0; i < ratelen; i++) {
65 		if ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
66 		    (((rate[i]) & 0x7f) != 11)  && (((rate[i]) & 0x7f) != 22))
67 			return false;
68 	}
69 
70 	return true;
71 }
72 
networktype_to_raid(unsigned char network_type)73 unsigned char networktype_to_raid(unsigned char network_type)
74 {
75 	unsigned char raid;
76 
77 	switch (network_type) {
78 	case WIRELESS_11B:
79 		raid = RATR_INX_WIRELESS_B;
80 		break;
81 	case WIRELESS_11G:
82 		raid = RATR_INX_WIRELESS_G;
83 		break;
84 	case WIRELESS_11BG:
85 		raid = RATR_INX_WIRELESS_GB;
86 		break;
87 	case WIRELESS_11_24N:
88 		raid = RATR_INX_WIRELESS_N;
89 		break;
90 	case WIRELESS_11G_24N:
91 		raid = RATR_INX_WIRELESS_NG;
92 		break;
93 	case WIRELESS_11BG_24N:
94 		raid = RATR_INX_WIRELESS_NGB;
95 		break;
96 	default:
97 		raid = RATR_INX_WIRELESS_GB;
98 		break;
99 	}
100 	return raid;
101 }
102 
judge_network_type(struct adapter * padapter,unsigned char * rate,int ratelen)103 u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
104 {
105 	u8 network_type = 0;
106 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
107 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
108 
109 	if (pmlmeext->cur_channel > 14) {
110 		network_type |= WIRELESS_INVALID;
111 	} else {
112 		if (pmlmeinfo->HT_enable)
113 			network_type = WIRELESS_11_24N;
114 
115 		if (cckratesonly_included(rate, ratelen))
116 			network_type |= WIRELESS_11B;
117 		else if (cckrates_included(rate, ratelen))
118 			network_type |= WIRELESS_11BG;
119 		else
120 			network_type |= WIRELESS_11G;
121 	}
122 	return	network_type;
123 }
124 
ratetbl_val_2wifirate(unsigned char rate)125 static unsigned char ratetbl_val_2wifirate(unsigned char rate)
126 {
127 	unsigned char val = 0;
128 
129 	switch (rate & 0x7f) {
130 	case 0:
131 		val = IEEE80211_CCK_RATE_1MB;
132 		break;
133 	case 1:
134 		val = IEEE80211_CCK_RATE_2MB;
135 		break;
136 	case 2:
137 		val = IEEE80211_CCK_RATE_5MB;
138 		break;
139 	case 3:
140 		val = IEEE80211_CCK_RATE_11MB;
141 		break;
142 	case 4:
143 		val = IEEE80211_OFDM_RATE_6MB;
144 		break;
145 	case 5:
146 		val = IEEE80211_OFDM_RATE_9MB;
147 		break;
148 	case 6:
149 		val = IEEE80211_OFDM_RATE_12MB;
150 		break;
151 	case 7:
152 		val = IEEE80211_OFDM_RATE_18MB;
153 		break;
154 	case 8:
155 		val = IEEE80211_OFDM_RATE_24MB;
156 		break;
157 	case 9:
158 		val = IEEE80211_OFDM_RATE_36MB;
159 		break;
160 	case 10:
161 		val = IEEE80211_OFDM_RATE_48MB;
162 		break;
163 	case 11:
164 		val = IEEE80211_OFDM_RATE_54MB;
165 		break;
166 	}
167 	return val;
168 }
169 
is_basicrate(struct adapter * padapter,unsigned char rate)170 static int is_basicrate(struct adapter *padapter, unsigned char rate)
171 {
172 	int i;
173 	unsigned char val;
174 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
175 
176 	for (i = 0; i < NumRates; i++) {
177 		val = pmlmeext->basicrate[i];
178 
179 		if ((val != 0xff) && (val != 0xfe)) {
180 			if (rate == ratetbl_val_2wifirate(val))
181 				return true;
182 		}
183 	}
184 	return false;
185 }
186 
ratetbl2rateset(struct adapter * padapter,unsigned char * rateset)187 static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
188 {
189 	int i;
190 	unsigned char rate;
191 	unsigned int	len = 0;
192 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
193 
194 	for (i = 0; i < NumRates; i++) {
195 		rate = pmlmeext->datarate[i];
196 
197 		switch (rate) {
198 		case 0xff:
199 			return len;
200 		case 0xfe:
201 			continue;
202 		default:
203 			rate = ratetbl_val_2wifirate(rate);
204 
205 			if (is_basicrate(padapter, rate))
206 				rate |= IEEE80211_BASIC_RATE_MASK;
207 
208 			rateset[len] = rate;
209 			len++;
210 			break;
211 		}
212 	}
213 	return len;
214 }
215 
get_rate_set(struct adapter * padapter,unsigned char * pbssrate,int * bssrate_len)216 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
217 {
218 	unsigned char supportedrates[NumRates];
219 
220 	memset(supportedrates, 0, NumRates);
221 	*bssrate_len = ratetbl2rateset(padapter, supportedrates);
222 	memcpy(pbssrate, supportedrates, *bssrate_len);
223 }
224 
UpdateBrateTbl(struct adapter * Adapter,u8 * mbrate)225 void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
226 {
227 	u8	i;
228 	u8	rate;
229 
230 	/*  1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
231 	for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
232 		rate = mbrate[i] & 0x7f;
233 		switch (rate) {
234 		case IEEE80211_CCK_RATE_1MB:
235 		case IEEE80211_CCK_RATE_2MB:
236 		case IEEE80211_CCK_RATE_5MB:
237 		case IEEE80211_CCK_RATE_11MB:
238 		case IEEE80211_OFDM_RATE_6MB:
239 		case IEEE80211_OFDM_RATE_12MB:
240 		case IEEE80211_OFDM_RATE_24MB:
241 			mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
242 			break;
243 		}
244 	}
245 }
246 
UpdateBrateTblForSoftAP(u8 * bssrateset,u32 bssratelen)247 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
248 {
249 	u8	i;
250 	u8	rate;
251 
252 	for (i = 0; i < bssratelen; i++) {
253 		rate = bssrateset[i] & 0x7f;
254 		switch (rate) {
255 		case IEEE80211_CCK_RATE_1MB:
256 		case IEEE80211_CCK_RATE_2MB:
257 		case IEEE80211_CCK_RATE_5MB:
258 		case IEEE80211_CCK_RATE_11MB:
259 			bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
260 			break;
261 		}
262 	}
263 }
264 
Save_DM_Func_Flag(struct adapter * padapter)265 void Save_DM_Func_Flag(struct adapter *padapter)
266 {
267 	u8	saveflag = true;
268 
269 	rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
270 }
271 
Restore_DM_Func_Flag(struct adapter * padapter)272 void Restore_DM_Func_Flag(struct adapter *padapter)
273 {
274 	u8	saveflag = false;
275 
276 	rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
277 }
278 
Switch_DM_Func(struct adapter * padapter,u32 mode,u8 enable)279 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
280 {
281 	if (enable)
282 		rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
283 	else
284 		rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
285 }
286 
Set_NETYPE0_MSR(struct adapter * padapter,u8 type)287 static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
288 {
289 	rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
290 }
291 
Set_MSR(struct adapter * padapter,u8 type)292 void Set_MSR(struct adapter *padapter, u8 type)
293 {
294 	Set_NETYPE0_MSR(padapter, type);
295 }
296 
rtw_get_oper_ch(struct adapter * adapter)297 inline u8 rtw_get_oper_ch(struct adapter *adapter)
298 {
299 	return adapter->mlmeextpriv.oper_channel;
300 }
301 
rtw_set_oper_ch(struct adapter * adapter,u8 ch)302 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
303 {
304 	adapter->mlmeextpriv.oper_channel = ch;
305 }
306 
rtw_get_oper_bw(struct adapter * adapter)307 inline u8 rtw_get_oper_bw(struct adapter *adapter)
308 {
309 	return adapter->mlmeextpriv.oper_bwmode;
310 }
311 
rtw_set_oper_bw(struct adapter * adapter,u8 bw)312 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
313 {
314 	adapter->mlmeextpriv.oper_bwmode = bw;
315 }
316 
rtw_get_oper_choffset(struct adapter * adapter)317 inline u8 rtw_get_oper_choffset(struct adapter *adapter)
318 {
319 	return adapter->mlmeextpriv.oper_ch_offset;
320 }
321 
rtw_set_oper_choffset(struct adapter * adapter,u8 offset)322 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
323 {
324 	adapter->mlmeextpriv.oper_ch_offset = offset;
325 }
326 
SelectChannel(struct adapter * padapter,unsigned char channel)327 void SelectChannel(struct adapter *padapter, unsigned char channel)
328 {
329 	/* saved channel info */
330 	rtw_set_oper_ch(padapter, channel);
331 	rtw_hal_set_chan(padapter, channel);
332 }
333 
SetBWMode(struct adapter * padapter,unsigned short bwmode,unsigned char channel_offset)334 void SetBWMode(struct adapter *padapter, unsigned short bwmode,
335 	       unsigned char channel_offset)
336 {
337 	/* saved bw info */
338 	rtw_set_oper_bw(padapter, bwmode);
339 	rtw_set_oper_choffset(padapter, channel_offset);
340 
341 	rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
342 }
343 
set_channel_bwmode(struct adapter * padapter,unsigned char channel,unsigned char channel_offset,unsigned short bwmode)344 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
345 {
346 	u8 center_ch;
347 
348 	if (padapter->bNotifyChannelChange)
349 		DBG_88E("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
350 
351 	if ((bwmode == HT_CHANNEL_WIDTH_20) ||
352 	    (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
353 		/* SelectChannel(padapter, channel); */
354 		center_ch = channel;
355 	} else {
356 		/* switch to the proper channel */
357 		if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
358 			/* SelectChannel(padapter, channel + 2); */
359 			center_ch = channel + 2;
360 		} else {
361 			/* SelectChannel(padapter, channel - 2); */
362 			center_ch = channel - 2;
363 		}
364 	}
365 
366 	/* set Channel */
367 	/* saved channel/bw info */
368 	rtw_set_oper_ch(padapter, channel);
369 	rtw_set_oper_bw(padapter, bwmode);
370 	rtw_set_oper_choffset(padapter, channel_offset);
371 
372 	rtw_hal_set_chan(padapter, center_ch); /*  set center channel */
373 	SetBWMode(padapter, bwmode, channel_offset);
374 }
375 
get_bsstype(unsigned short capability)376 int get_bsstype(unsigned short capability)
377 {
378 	if (capability & BIT(0))
379 		return WIFI_FW_AP_STATE;
380 	else if (capability & BIT(1))
381 		return WIFI_FW_ADHOC_STATE;
382 	else
383 		return 0;
384 }
385 
get_my_bssid(struct wlan_bssid_ex * pnetwork)386 __inline u8 *get_my_bssid(struct wlan_bssid_ex *pnetwork)
387 {
388 	return pnetwork->MacAddress;
389 }
390 
get_beacon_interval(struct wlan_bssid_ex * bss)391 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
392 {
393 	__le16 val;
394 	memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
395 
396 	return le16_to_cpu(val);
397 }
398 
is_client_associated_to_ap(struct adapter * padapter)399 int is_client_associated_to_ap(struct adapter *padapter)
400 {
401 	struct mlme_ext_priv	*pmlmeext;
402 	struct mlme_ext_info	*pmlmeinfo;
403 
404 	if (!padapter)
405 		return _FAIL;
406 
407 	pmlmeext = &padapter->mlmeextpriv;
408 	pmlmeinfo = &pmlmeext->mlmext_info;
409 
410 	if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state & 0x03) == WIFI_FW_STATION_STATE))
411 		return true;
412 	else
413 		return _FAIL;
414 }
415 
is_client_associated_to_ibss(struct adapter * padapter)416 int is_client_associated_to_ibss(struct adapter *padapter)
417 {
418 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
419 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
420 
421 	if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state & 0x03) == WIFI_FW_ADHOC_STATE))
422 		return true;
423 	else
424 		return _FAIL;
425 }
426 
is_IBSS_empty(struct adapter * padapter)427 int is_IBSS_empty(struct adapter *padapter)
428 {
429 	unsigned int i;
430 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
431 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
432 
433 	for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
434 		if (pmlmeinfo->FW_sta_info[i].status == 1)
435 			return _FAIL;
436 	}
437 	return true;
438 }
439 
decide_wait_for_beacon_timeout(unsigned int bcn_interval)440 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
441 {
442 	if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
443 		return WAIT_FOR_BCN_TO_MIN;
444 	else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
445 		return WAIT_FOR_BCN_TO_MAX;
446 	else
447 		return bcn_interval << 2;
448 }
449 
CAM_empty_entry(struct adapter * Adapter,u8 ucIndex)450 void CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
451 {
452 	rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
453 }
454 
invalidate_cam_all(struct adapter * padapter)455 void invalidate_cam_all(struct adapter *padapter)
456 {
457 	rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
458 }
459 
write_cam(struct adapter * padapter,u8 entry,u16 ctrl,u8 * mac,u8 * key)460 void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
461 {
462 	unsigned int	i, val, addr;
463 	int j;
464 	u32	cam_val[2];
465 
466 	addr = entry << 3;
467 
468 	for (j = 5; j >= 0; j--) {
469 		switch (j) {
470 		case 0:
471 			val = (ctrl | (mac[0] << 16) | (mac[1] << 24));
472 			break;
473 		case 1:
474 			val = (mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24));
475 			break;
476 		default:
477 			i = (j - 2) << 2;
478 			val = (key[i] | (key[i + 1] << 8) | (key[i + 2] << 16) | (key[i + 3] << 24));
479 			break;
480 		}
481 
482 		cam_val[0] = val;
483 		cam_val[1] = addr + (unsigned int)j;
484 
485 		rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
486 	}
487 }
488 
clear_cam_entry(struct adapter * padapter,u8 entry)489 void clear_cam_entry(struct adapter *padapter, u8 entry)
490 {
491 	unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
492 	unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
493 				    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
494 
495 	write_cam(padapter, entry, 0, null_sta, null_key);
496 }
497 
allocate_fw_sta_entry(struct adapter * padapter)498 int allocate_fw_sta_entry(struct adapter *padapter)
499 {
500 	unsigned int mac_id;
501 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
502 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
503 
504 	for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
505 		if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
506 			pmlmeinfo->FW_sta_info[mac_id].status = 1;
507 			pmlmeinfo->FW_sta_info[mac_id].retry = 0;
508 			break;
509 		}
510 	}
511 
512 	return mac_id;
513 }
514 
flush_all_cam_entry(struct adapter * padapter)515 void flush_all_cam_entry(struct adapter *padapter)
516 {
517 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
518 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
519 
520 	rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
521 
522 	memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
523 }
524 
WMM_param_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)525 int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
526 {
527 	/* struct registry_priv	*pregpriv = &padapter->registrypriv; */
528 	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
529 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
530 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
531 
532 	if (pmlmepriv->qospriv.qos_option == 0) {
533 		pmlmeinfo->WMM_enable = 0;
534 		return _FAIL;
535 	}
536 
537 	pmlmeinfo->WMM_enable = 1;
538 	memcpy(&pmlmeinfo->WMM_param, pIE->data + 6, sizeof(struct WMM_para_element));
539 	return true;
540 }
541 
WMMOnAssocRsp(struct adapter * padapter)542 void WMMOnAssocRsp(struct adapter *padapter)
543 {
544 	u8	ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
545 	u8	acm_mask;
546 	u16	TXOP;
547 	u32	acParm, i;
548 	u32	edca[4], inx[4];
549 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
550 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
551 	struct xmit_priv		*pxmitpriv = &padapter->xmitpriv;
552 	struct registry_priv	*pregpriv = &padapter->registrypriv;
553 
554 	if (pmlmeinfo->WMM_enable == 0) {
555 		padapter->mlmepriv.acm_mask = 0;
556 		return;
557 	}
558 
559 	acm_mask = 0;
560 
561 	if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
562 		aSifsTime = 10;
563 	else
564 		aSifsTime = 16;
565 
566 	for (i = 0; i < 4; i++) {
567 		ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
568 		ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
569 
570 		/* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
571 		AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
572 
573 		ECWMin = (pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f);
574 		ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
575 		TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
576 
577 		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
578 
579 		switch (ACI) {
580 		case 0x0:
581 			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
582 			acm_mask |= (ACM ? BIT(1) : 0);
583 			edca[XMIT_BE_QUEUE] = acParm;
584 			break;
585 		case 0x1:
586 			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
587 			edca[XMIT_BK_QUEUE] = acParm;
588 			break;
589 		case 0x2:
590 			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
591 			acm_mask |= (ACM ? BIT(2) : 0);
592 			edca[XMIT_VI_QUEUE] = acParm;
593 			break;
594 		case 0x3:
595 			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
596 			acm_mask |= (ACM ? BIT(3) : 0);
597 			edca[XMIT_VO_QUEUE] = acParm;
598 			break;
599 		}
600 
601 		DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
602 	}
603 
604 	if (padapter->registrypriv.acm_method == 1)
605 		rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
606 	else
607 		padapter->mlmepriv.acm_mask = acm_mask;
608 
609 	inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
610 
611 	if (pregpriv->wifi_spec == 1) {
612 		u32	j, tmp, change_inx = false;
613 
614 		/* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
615 		for (i = 0; i < 4; i++) {
616 			for (j = i + 1; j < 4; j++) {
617 				/* compare CW and AIFS */
618 				if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
619 					change_inx = true;
620 				} else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
621 					/* compare TXOP */
622 					if ((edca[j] >> 16) > (edca[i] >> 16))
623 						change_inx = true;
624 				}
625 
626 				if (change_inx) {
627 					tmp = edca[i];
628 					edca[i] = edca[j];
629 					edca[j] = tmp;
630 
631 					tmp = inx[i];
632 					inx[i] = inx[j];
633 					inx[j] = tmp;
634 
635 					change_inx = false;
636 				}
637 			}
638 		}
639 	}
640 
641 	for (i = 0; i < 4; i++) {
642 		pxmitpriv->wmm_para_seq[i] = inx[i];
643 		DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
644 	}
645 }
646 
bwmode_update_check(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)647 static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
648 {
649 	unsigned char	 new_bwmode;
650 	unsigned char  new_ch_offset;
651 	struct HT_info_element	 *pHT_info;
652 	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
653 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
654 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
655 	struct registry_priv *pregistrypriv = &padapter->registrypriv;
656 	struct ht_priv			*phtpriv = &pmlmepriv->htpriv;
657 
658 	if (!pIE)
659 		return;
660 
661 	if (!phtpriv)
662 		return;
663 
664 	if (pIE->Length > sizeof(struct HT_info_element))
665 		return;
666 
667 	pHT_info = (struct HT_info_element *)pIE->data;
668 
669 	if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
670 		new_bwmode = HT_CHANNEL_WIDTH_40;
671 
672 		switch (pHT_info->infos[0] & 0x3) {
673 		case 1:
674 			new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
675 			break;
676 		case 3:
677 			new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
678 			break;
679 		default:
680 			new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
681 			break;
682 		}
683 	} else {
684 		new_bwmode = HT_CHANNEL_WIDTH_20;
685 		new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
686 	}
687 
688 	if ((new_bwmode != pmlmeext->cur_bwmode) ||
689 	    (new_ch_offset != pmlmeext->cur_ch_offset)) {
690 		pmlmeinfo->bwmode_updated = true;
691 
692 		pmlmeext->cur_bwmode = new_bwmode;
693 		pmlmeext->cur_ch_offset = new_ch_offset;
694 
695 		/* update HT info also */
696 		HT_info_handler(padapter, pIE);
697 	} else {
698 		pmlmeinfo->bwmode_updated = false;
699 	}
700 
701 	if (pmlmeinfo->bwmode_updated) {
702 		struct sta_info *psta;
703 		struct wlan_bssid_ex	*cur_network = &pmlmeinfo->network;
704 		struct sta_priv	*pstapriv = &padapter->stapriv;
705 
706 		/* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
707 
708 		/* update ap's stainfo */
709 		psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
710 		if (psta) {
711 			struct ht_priv	*phtpriv_sta = &psta->htpriv;
712 
713 			if (phtpriv_sta->ht_option) {
714 				/*  bwmode */
715 				phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
716 				phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
717 			} else {
718 				phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
719 				phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
720 			}
721 		}
722 	}
723 }
724 
HT_caps_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)725 void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
726 {
727 	unsigned int	i;
728 	u8	rf_type;
729 	u8	max_AMPDU_len, min_MPDU_spacing;
730 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
731 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
732 	struct mlme_priv		*pmlmepriv = &padapter->mlmepriv;
733 	struct ht_priv			*phtpriv = &pmlmepriv->htpriv;
734 
735 	if (!pIE)
736 		return;
737 
738 	if (!phtpriv->ht_option)
739 		return;
740 
741 	pmlmeinfo->HT_caps_enable = 1;
742 
743 	for (i = 0; i < (pIE->Length); i++) {
744 		if (i != 2) {
745 			/* 	Got the endian issue here. */
746 			pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
747 		} else {
748 			/* modify from  fw by Thomas 2010/11/17 */
749 			if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
750 				max_AMPDU_len = (pIE->data[i] & 0x3);
751 			else
752 				max_AMPDU_len = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3);
753 
754 			if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
755 				min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c);
756 			else
757 				min_MPDU_spacing = (pIE->data[i] & 0x1c);
758 
759 			pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
760 		}
761 	}
762 
763 	rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
764 
765 	/* update the MCS rates */
766 	for (i = 0; i < 16; i++) {
767 		if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
768 			pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
769 		else
770 			pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
771 	}
772 }
773 
HT_info_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)774 void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
775 {
776 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
777 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
778 	struct mlme_priv		*pmlmepriv = &padapter->mlmepriv;
779 	struct ht_priv			*phtpriv = &pmlmepriv->htpriv;
780 
781 	if (!pIE)
782 		return;
783 
784 	if (!phtpriv->ht_option)
785 		return;
786 
787 	if (pIE->Length > sizeof(struct HT_info_element))
788 		return;
789 
790 	pmlmeinfo->HT_info_enable = 1;
791 	memcpy(&pmlmeinfo->HT_info, pIE->data, pIE->Length);
792 }
793 
HTOnAssocRsp(struct adapter * padapter)794 void HTOnAssocRsp(struct adapter *padapter)
795 {
796 	unsigned char		max_AMPDU_len;
797 	unsigned char		min_MPDU_spacing;
798 	/* struct registry_priv	 *pregpriv = &padapter->registrypriv; */
799 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
800 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
801 
802 	DBG_88E("%s\n", __func__);
803 
804 	if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
805 		pmlmeinfo->HT_enable = 1;
806 	} else {
807 		pmlmeinfo->HT_enable = 0;
808 		return;
809 	}
810 
811 	/* handle A-MPDU parameter field */
812 	/*
813 		AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
814 		AMPDU_para [4:2]:Min MPDU Start Spacing
815 	*/
816 	max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
817 
818 	min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
819 
820 	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
821 
822 	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
823 }
824 
ERP_IE_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)825 void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
826 {
827 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
828 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
829 
830 	if (pIE->Length > 1)
831 		return;
832 
833 	pmlmeinfo->ERP_enable = 1;
834 	memcpy(&pmlmeinfo->ERP_IE, pIE->data, pIE->Length);
835 }
836 
VCS_update(struct adapter * padapter,struct sta_info * psta)837 void VCS_update(struct adapter *padapter, struct sta_info *psta)
838 {
839 	struct registry_priv	 *pregpriv = &padapter->registrypriv;
840 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
841 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
842 
843 	switch (pregpriv->vrtl_carrier_sense) { /* 0:off 1:on 2:auto */
844 	case 0: /* off */
845 		psta->rtsen = 0;
846 		psta->cts2self = 0;
847 		break;
848 	case 1: /* on */
849 		if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
850 			psta->rtsen = 1;
851 			psta->cts2self = 0;
852 		} else {
853 			psta->rtsen = 0;
854 			psta->cts2self = 1;
855 		}
856 		break;
857 	case 2: /* auto */
858 	default:
859 		if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
860 			if (pregpriv->vcs_type == 1) {
861 				psta->rtsen = 1;
862 				psta->cts2self = 0;
863 			} else {
864 				psta->rtsen = 0;
865 				psta->cts2self = 1;
866 			}
867 		} else {
868 			psta->rtsen = 0;
869 			psta->cts2self = 0;
870 		}
871 		break;
872 	}
873 }
874 
rtw_check_bcn_info(struct adapter * Adapter,u8 * pframe,u32 packet_len)875 int rtw_check_bcn_info(struct adapter  *Adapter, u8 *pframe, u32 packet_len)
876 {
877 	unsigned int		len;
878 	unsigned char		*p;
879 	unsigned short	val16, subtype;
880 	struct wlan_network *cur_network = &Adapter->mlmepriv.cur_network;
881 	/* u8 wpa_ie[255], rsn_ie[255]; */
882 	u16 wpa_len = 0, rsn_len = 0;
883 	u8 encryp_protocol = 0;
884 	struct wlan_bssid_ex *bssid;
885 	int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
886 	unsigned char *pbuf;
887 	u32 wpa_ielen = 0;
888 	u8 *pbssid = GetAddr3Ptr(pframe);
889 	u32 hidden_ssid = 0;
890 	struct HT_info_element *pht_info = NULL;
891 	struct ieee80211_ht_cap *pht_cap = NULL;
892 	u32 bcn_channel;
893 	unsigned short	ht_cap_info;
894 	unsigned char	ht_info_infos_0;
895 
896 	if (!is_client_associated_to_ap(Adapter))
897 		return true;
898 
899 	len = packet_len - sizeof(struct rtw_ieee80211_hdr_3addr);
900 
901 	if (len > MAX_IE_SZ) {
902 		DBG_88E("%s IE too long for survey event\n", __func__);
903 		return _FAIL;
904 	}
905 
906 	if (memcmp(cur_network->network.MacAddress, pbssid, 6)) {
907 		DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
908 			(pbssid), (cur_network->network.MacAddress));
909 		return true;
910 	}
911 
912 	bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
913 	if (!bssid)
914 		return _FAIL;
915 
916 	subtype = GetFrameSubType(pframe) >> 4;
917 
918 	if (subtype == WIFI_BEACON)
919 		bssid->Reserved[0] = 1;
920 
921 	bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
922 
923 	/* below is to copy the information element */
924 	bssid->IELength = len;
925 	memcpy(bssid->IEs, (pframe + sizeof(struct rtw_ieee80211_hdr_3addr)), bssid->IELength);
926 
927 	/* check bw and channel offset */
928 	/* parsing HT_CAP_IE */
929 	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
930 	if (p && len > 0) {
931 		pht_cap = (struct ieee80211_ht_cap *)(p + 2);
932 		ht_cap_info = le16_to_cpu(pht_cap->cap_info);
933 	} else {
934 		ht_cap_info = 0;
935 	}
936 	/* parsing HT_INFO_IE */
937 	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
938 	if (p && len > 0) {
939 			pht_info = (struct HT_info_element *)(p + 2);
940 			ht_info_infos_0 = pht_info->infos[0];
941 	} else {
942 			ht_info_infos_0 = 0;
943 	}
944 	if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
945 	    ((ht_info_infos_0 & 0x03) != (cur_network->BcnInfo.ht_info_infos_0 & 0x03))) {
946 			DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
947 				ht_cap_info, ht_info_infos_0);
948 			DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
949 				cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
950 			DBG_88E("%s bw mode change, disconnect\n", __func__);
951 			/* bcn_info_update */
952 			cur_network->BcnInfo.ht_cap_info = ht_cap_info;
953 			cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
954 			/* to do : need to check that whether modify related register of BB or not */
955 			/* goto _mismatch; */
956 	}
957 
958 	/* Checking for channel */
959 	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
960 	if (p) {
961 			bcn_channel = *(p + 2);
962 	} else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
963 			p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
964 			if (pht_info) {
965 					bcn_channel = pht_info->primary_channel;
966 			} else { /* we don't find channel IE, so don't check it */
967 					DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
968 					bcn_channel = Adapter->mlmeextpriv.cur_channel;
969 			}
970 	}
971 	if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
972 			DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
973 				bcn_channel, Adapter->mlmeextpriv.cur_channel);
974 			goto _mismatch;
975 	}
976 
977 	/* checking SSID */
978 	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
979 	if (!p) {
980 		DBG_88E("%s marc: cannot find SSID for survey event\n", __func__);
981 		hidden_ssid = true;
982 	} else {
983 		hidden_ssid = false;
984 	}
985 
986 	if ((NULL != p) && (false == hidden_ssid && (*(p + 1)))) {
987 		memcpy(bssid->Ssid.Ssid, (p + 2), *(p + 1));
988 		bssid->Ssid.SsidLength = *(p + 1);
989 	} else {
990 		bssid->Ssid.SsidLength = 0;
991 		bssid->Ssid.Ssid[0] = '\0';
992 	}
993 
994 	if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
995 	    bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
996 		if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
997 			DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
998 			goto _mismatch;
999 		}
1000 	}
1001 
1002 	/* check encryption info */
1003 	val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
1004 
1005 	if (val16 & BIT(4))
1006 		bssid->Privacy = 1;
1007 	else
1008 		bssid->Privacy = 0;
1009 
1010 	if (cur_network->network.Privacy != bssid->Privacy) {
1011 		DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
1012 		goto _mismatch;
1013 	}
1014 
1015 	rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1016 
1017 	if (rsn_len > 0) {
1018 		encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1019 	} else if (wpa_len > 0) {
1020 		encryp_protocol = ENCRYP_PROTOCOL_WPA;
1021 	} else {
1022 		if (bssid->Privacy)
1023 			encryp_protocol = ENCRYP_PROTOCOL_WEP;
1024 	}
1025 
1026 	if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
1027 		DBG_88E("%s(): enctyp is not match , return FAIL\n", __func__);
1028 		goto _mismatch;
1029 	}
1030 
1031 	if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1032 		pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength - 12);
1033 		if (pbuf && (wpa_ielen > 0)) {
1034 			rtw_parse_wpa_ie(pbuf, wpa_ielen + 2, &group_cipher, &pairwise_cipher, &is_8021x);
1035 		} else {
1036 			pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength - 12);
1037 
1038 			if (pbuf && (wpa_ielen > 0))
1039 				rtw_parse_wpa2_ie(pbuf, wpa_ielen + 2, &group_cipher, &pairwise_cipher, &is_8021x);
1040 		}
1041 
1042 		if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1043 			DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
1044 				pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1045 				group_cipher, cur_network->BcnInfo.group_cipher);
1046 			goto _mismatch;
1047 		}
1048 
1049 		if (is_8021x != cur_network->BcnInfo.is_8021x) {
1050 			DBG_88E("%s authentication is not match , return FAIL\n", __func__);
1051 			goto _mismatch;
1052 		}
1053 	}
1054 
1055 	kfree(bssid);
1056 
1057 	return _SUCCESS;
1058 
1059 _mismatch:
1060 	kfree(bssid);
1061 
1062 	return _FAIL;
1063 }
1064 
update_beacon_info(struct adapter * padapter,u8 * pframe,uint pkt_len,struct sta_info * psta)1065 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1066 {
1067 	unsigned int i;
1068 	unsigned int len;
1069 	struct ndis_802_11_var_ie *pIE;
1070 
1071 	len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1072 
1073 	for (i = 0; i < len;) {
1074 		pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1075 
1076 		switch (pIE->ElementID) {
1077 		case _HT_EXTRA_INFO_IE_:	/* HT info */
1078 			/* HT_info_handler(padapter, pIE); */
1079 			bwmode_update_check(padapter, pIE);
1080 			break;
1081 		case _ERPINFO_IE_:
1082 			ERP_IE_handler(padapter, pIE);
1083 			VCS_update(padapter, psta);
1084 			break;
1085 		default:
1086 			break;
1087 		}
1088 
1089 		i += (pIE->Length + 2);
1090 	}
1091 }
1092 
is_ap_in_tkip(struct adapter * padapter)1093 unsigned int is_ap_in_tkip(struct adapter *padapter)
1094 {
1095 	u32 i;
1096 	struct ndis_802_11_var_ie *pIE;
1097 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1098 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
1099 	struct wlan_bssid_ex		*cur_network = &pmlmeinfo->network;
1100 
1101 	if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1102 		for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1103 			pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1104 
1105 			switch (pIE->ElementID) {
1106 			case _VENDOR_SPECIFIC_IE_:
1107 				if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1108 					return true;
1109 				break;
1110 			case _RSN_IE_2_:
1111 				if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1112 					return true;
1113 				break;
1114 			default:
1115 				break;
1116 			}
1117 
1118 			i += (pIE->Length + 2);
1119 		}
1120 		return false;
1121 	} else {
1122 		return false;
1123 	}
1124 }
1125 
should_forbid_n_rate(struct adapter * padapter)1126 unsigned int should_forbid_n_rate(struct adapter *padapter)
1127 {
1128 	u32 i;
1129 	struct ndis_802_11_var_ie *pIE;
1130 	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
1131 	struct wlan_bssid_ex  *cur_network = &pmlmepriv->cur_network.network;
1132 
1133 	if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1134 		for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
1135 			pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
1136 
1137 			switch (pIE->ElementID) {
1138 			case _VENDOR_SPECIFIC_IE_:
1139 				if (!memcmp(pIE->data, RTW_WPA_OUI, 4) &&
1140 				    ((!memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
1141 				    (!memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
1142 					return false;
1143 				break;
1144 			case _RSN_IE_2_:
1145 				if  ((!memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4))  ||
1146 				     (!memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
1147 					return false;
1148 				break;
1149 			default:
1150 				break;
1151 			}
1152 
1153 			i += (pIE->Length + 2);
1154 		}
1155 
1156 		return true;
1157 	} else {
1158 		return false;
1159 	}
1160 }
1161 
is_ap_in_wep(struct adapter * padapter)1162 unsigned int is_ap_in_wep(struct adapter *padapter)
1163 {
1164 	u32 i;
1165 	struct ndis_802_11_var_ie *pIE;
1166 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1167 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
1168 	struct wlan_bssid_ex		*cur_network = &pmlmeinfo->network;
1169 
1170 	if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1171 		for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1172 			pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1173 
1174 			switch (pIE->ElementID) {
1175 			case _VENDOR_SPECIFIC_IE_:
1176 				if (!memcmp(pIE->data, RTW_WPA_OUI, 4))
1177 					return false;
1178 				break;
1179 			case _RSN_IE_2_:
1180 				return false;
1181 			default:
1182 				break;
1183 			}
1184 			i += (pIE->Length + 2);
1185 		}
1186 		return true;
1187 	} else {
1188 		return false;
1189 	}
1190 }
1191 
wifirate2_ratetbl_inx(unsigned char rate)1192 int wifirate2_ratetbl_inx(unsigned char rate)
1193 {
1194 	int	inx = 0;
1195 	rate = rate & 0x7f;
1196 
1197 	switch (rate) {
1198 	case 54 * 2:
1199 		inx = 11;
1200 		break;
1201 	case 48 * 2:
1202 		inx = 10;
1203 		break;
1204 	case 36 * 2:
1205 		inx = 9;
1206 		break;
1207 	case 24 * 2:
1208 		inx = 8;
1209 		break;
1210 	case 18 * 2:
1211 		inx = 7;
1212 		break;
1213 	case 12 * 2:
1214 		inx = 6;
1215 		break;
1216 	case 9 * 2:
1217 		inx = 5;
1218 		break;
1219 	case 6 * 2:
1220 		inx = 4;
1221 		break;
1222 	case 11 * 2:
1223 		inx = 3;
1224 		break;
1225 	case 11:
1226 		inx = 2;
1227 		break;
1228 	case 2 * 2:
1229 		inx = 1;
1230 		break;
1231 	case 1 * 2:
1232 		inx = 0;
1233 		break;
1234 	}
1235 	return inx;
1236 }
1237 
update_basic_rate(unsigned char * ptn,unsigned int ptn_sz)1238 unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
1239 {
1240 	unsigned int i, num_of_rate;
1241 	unsigned int mask = 0;
1242 
1243 	num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1244 
1245 	for (i = 0; i < num_of_rate; i++) {
1246 		if ((*(ptn + i)) & 0x80)
1247 			mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1248 	}
1249 	return mask;
1250 }
1251 
update_supported_rate(unsigned char * ptn,unsigned int ptn_sz)1252 unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
1253 {
1254 	unsigned int i, num_of_rate;
1255 	unsigned int mask = 0;
1256 
1257 	num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1258 
1259 	for (i = 0; i < num_of_rate; i++)
1260 		mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1261 	return mask;
1262 }
1263 
update_MSC_rate(struct HT_caps_element * pHT_caps)1264 unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
1265 {
1266 	unsigned int mask = 0;
1267 
1268 	mask = ((pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20));
1269 
1270 	return mask;
1271 }
1272 
support_short_GI(struct adapter * padapter,struct HT_caps_element * pHT_caps)1273 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
1274 {
1275 	unsigned char					bit_offset;
1276 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
1277 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
1278 
1279 	if (!(pmlmeinfo->HT_enable))
1280 		return _FAIL;
1281 
1282 	if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
1283 		return _FAIL;
1284 
1285 	bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
1286 
1287 	if (__le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1288 		return _SUCCESS;
1289 	else
1290 		return _FAIL;
1291 }
1292 
get_highest_rate_idx(u32 mask)1293 unsigned char get_highest_rate_idx(u32 mask)
1294 {
1295 	int i;
1296 	unsigned char rate_idx = 0;
1297 
1298 	for (i = 27; i >= 0; i--) {
1299 		if (mask & BIT(i)) {
1300 			rate_idx = i;
1301 			break;
1302 		}
1303 	}
1304 	return rate_idx;
1305 }
1306 
Update_RA_Entry(struct adapter * padapter,u32 mac_id)1307 void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
1308 {
1309 	rtw_hal_update_ra_mask(padapter, mac_id, 0);
1310 }
1311 
enable_rate_adaptive(struct adapter * padapter,u32 mac_id)1312 static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
1313 {
1314 	Update_RA_Entry(padapter, mac_id);
1315 }
1316 
set_sta_rate(struct adapter * padapter,struct sta_info * psta)1317 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1318 {
1319 	/* rate adaptive */
1320 	enable_rate_adaptive(padapter, psta->mac_id);
1321 }
1322 
1323 /*  Update RRSR and Rate for USERATE */
update_tx_basic_rate(struct adapter * padapter,u8 wirelessmode)1324 void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
1325 {
1326 	unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
1327 #ifdef CONFIG_88EU_P2P
1328 	struct wifidirect_info *pwdinfo = &padapter->wdinfo;
1329 
1330 	/* 	Added by Albert 2011/03/22 */
1331 	/* 	In the P2P mode, the driver should not support the b mode. */
1332 	/* 	So, the Tx packet shouldn't use the CCK rate */
1333 	if (!rtw_p2p_chk_state(pwdinfo, P2P_STATE_NONE))
1334 		return;
1335 #endif /* CONFIG_88EU_P2P */
1336 	memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
1337 
1338 	if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
1339 		memcpy(supported_rates, rtw_basic_rate_cck, 4);
1340 	else if (wirelessmode & WIRELESS_11B)
1341 		memcpy(supported_rates, rtw_basic_rate_mix, 7);
1342 	else
1343 		memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
1344 
1345 	if (wirelessmode & WIRELESS_11B)
1346 		update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1347 	else
1348 		update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1349 
1350 	rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
1351 }
1352 
check_assoc_AP(u8 * pframe,uint len)1353 unsigned char check_assoc_AP(u8 *pframe, uint len)
1354 {
1355 	unsigned int i;
1356 	struct ndis_802_11_var_ie *pIE;
1357 	u8	epigram_vendor_flag;
1358 	u8	ralink_vendor_flag;
1359 	epigram_vendor_flag = 0;
1360 	ralink_vendor_flag = 0;
1361 
1362 	for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
1363 		pIE = (struct ndis_802_11_var_ie *)(pframe + i);
1364 
1365 		switch (pIE->ElementID) {
1366 		case _VENDOR_SPECIFIC_IE_:
1367 			if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
1368 			    (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1369 				DBG_88E("link to Artheros AP\n");
1370 				return HT_IOT_PEER_ATHEROS;
1371 			} else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1372 				   (!memcmp(pIE->data, BROADCOM_OUI2, 3)) ||
1373 				   (!memcmp(pIE->data, BROADCOM_OUI2, 3))) {
1374 				DBG_88E("link to Broadcom AP\n");
1375 				return HT_IOT_PEER_BROADCOM;
1376 			} else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1377 				DBG_88E("link to Marvell AP\n");
1378 				return HT_IOT_PEER_MARVELL;
1379 			} else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1380 				if (!ralink_vendor_flag) {
1381 					ralink_vendor_flag = 1;
1382 				} else {
1383 					DBG_88E("link to Ralink AP\n");
1384 					return HT_IOT_PEER_RALINK;
1385 				}
1386 			} else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1387 				DBG_88E("link to Cisco AP\n");
1388 				return HT_IOT_PEER_CISCO;
1389 			} else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1390 				DBG_88E("link to Realtek 96B\n");
1391 				return HT_IOT_PEER_REALTEK;
1392 			} else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1393 				DBG_88E("link to Airgo Cap\n");
1394 				return HT_IOT_PEER_AIRGO;
1395 			} else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) {
1396 				epigram_vendor_flag = 1;
1397 				if (ralink_vendor_flag) {
1398 					DBG_88E("link to Tenda W311R AP\n");
1399 					return HT_IOT_PEER_TENDA;
1400 				} else {
1401 					DBG_88E("Capture EPIGRAM_OUI\n");
1402 				}
1403 			} else {
1404 				break;
1405 			}
1406 			break;
1407 
1408 		default:
1409 			break;
1410 		}
1411 		i += (pIE->Length + 2);
1412 	}
1413 
1414 	if (ralink_vendor_flag && !epigram_vendor_flag) {
1415 		DBG_88E("link to Ralink AP\n");
1416 		return HT_IOT_PEER_RALINK;
1417 	} else if (ralink_vendor_flag && epigram_vendor_flag) {
1418 		DBG_88E("link to Tenda W311R AP\n");
1419 		return HT_IOT_PEER_TENDA;
1420 	} else {
1421 		DBG_88E("link to new AP\n");
1422 		return HT_IOT_PEER_UNKNOWN;
1423 	}
1424 }
1425 
update_IOT_info(struct adapter * padapter)1426 void update_IOT_info(struct adapter *padapter)
1427 {
1428 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
1429 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
1430 
1431 	switch (pmlmeinfo->assoc_AP_vendor) {
1432 	case HT_IOT_PEER_MARVELL:
1433 		pmlmeinfo->turboMode_cts2self = 1;
1434 		pmlmeinfo->turboMode_rtsen = 0;
1435 		break;
1436 	case HT_IOT_PEER_RALINK:
1437 		pmlmeinfo->turboMode_cts2self = 0;
1438 		pmlmeinfo->turboMode_rtsen = 1;
1439 		/* disable high power */
1440 		Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1441 		break;
1442 	case HT_IOT_PEER_REALTEK:
1443 		/* rtw_write16(padapter, 0x4cc, 0xffff); */
1444 		/* rtw_write16(padapter, 0x546, 0x01c0); */
1445 		/* disable high power */
1446 		Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1447 		break;
1448 	default:
1449 		pmlmeinfo->turboMode_cts2self = 0;
1450 		pmlmeinfo->turboMode_rtsen = 1;
1451 		break;
1452 	}
1453 }
1454 
update_capinfo(struct adapter * Adapter,u16 updateCap)1455 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1456 {
1457 	struct mlme_ext_priv	*pmlmeext = &Adapter->mlmeextpriv;
1458 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
1459 	bool		ShortPreamble;
1460 
1461 	/*  Check preamble mode, 2005.01.06, by rcnjko. */
1462 	/*  Mark to update preamble value forever, 2008.03.18 by lanhsin */
1463 
1464 	if (updateCap & cShortPreamble) { /*  Short Preamble */
1465 		if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /*  PREAMBLE_LONG or PREAMBLE_AUTO */
1466 			ShortPreamble = true;
1467 			pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1468 			rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1469 		}
1470 	} else { /*  Long Preamble */
1471 		if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) {  /*  PREAMBLE_SHORT or PREAMBLE_AUTO */
1472 			ShortPreamble = false;
1473 			pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1474 			rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1475 		}
1476 	}
1477 
1478 	if (updateCap & cIBSS) {
1479 		/* Filen: See 802.11-2007 p.91 */
1480 		pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1481 	} else { /* Filen: See 802.11-2007 p.90 */
1482 		if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
1483 			if (updateCap & cShortSlotTime) { /*  Short Slot Time */
1484 				if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
1485 					pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1486 			} else { /*  Long Slot Time */
1487 				if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
1488 					pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1489 			}
1490 		} else {
1491 			/* B Mode */
1492 			pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1493 		}
1494 	}
1495 
1496 	rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1497 }
1498 
update_wireless_mode(struct adapter * padapter)1499 void update_wireless_mode(struct adapter *padapter)
1500 {
1501 	int ratelen, network_type = 0;
1502 	u32 SIFS_Timer;
1503 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
1504 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
1505 	struct wlan_bssid_ex	*cur_network = &pmlmeinfo->network;
1506 	unsigned char		*rate = cur_network->SupportedRates;
1507 
1508 	ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1509 
1510 	if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1511 		pmlmeinfo->HT_enable = 1;
1512 
1513 	if (pmlmeext->cur_channel > 14) {
1514 		network_type |= WIRELESS_INVALID;
1515 	} else {
1516 		if (pmlmeinfo->HT_enable)
1517 			network_type = WIRELESS_11_24N;
1518 
1519 		if (cckratesonly_included(rate, ratelen))
1520 			network_type |= WIRELESS_11B;
1521 		else if (cckrates_included(rate, ratelen))
1522 			network_type |= WIRELESS_11BG;
1523 		else
1524 			network_type |= WIRELESS_11G;
1525 	}
1526 
1527 	pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1528 
1529 	SIFS_Timer = 0x0a0a0808;/* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1530 				/* change this value if having IOT issues. */
1531 
1532 	padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS,  (u8 *)&SIFS_Timer);
1533 
1534 	if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1535 		update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1536 	 else
1537 		update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1538 }
1539 
update_bmc_sta_support_rate(struct adapter * padapter,u32 mac_id)1540 void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
1541 {
1542 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
1543 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
1544 
1545 	if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
1546 		/*  Only B, B/G, and B/G/N AP could use CCK rate */
1547 		memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
1548 	} else {
1549 		memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
1550 	}
1551 }
1552 
update_sta_support_rate(struct adapter * padapter,u8 * pvar_ie,uint var_ie_len,int cam_idx)1553 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1554 {
1555 	unsigned int	ie_len;
1556 	struct ndis_802_11_var_ie *pIE;
1557 	int	supportRateNum = 0;
1558 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
1559 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
1560 
1561 	pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1562 	if (!pIE)
1563 		return _FAIL;
1564 
1565 	memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1566 	supportRateNum = ie_len;
1567 
1568 	pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1569 	if (pIE)
1570 		memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1571 
1572 	return _SUCCESS;
1573 }
1574 
process_addba_req(struct adapter * padapter,u8 * paddba_req,u8 * addr)1575 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1576 {
1577 	struct sta_info *psta;
1578 	u16 tid;
1579 	u16 param;
1580 	struct recv_reorder_ctrl *preorder_ctrl;
1581 	struct sta_priv *pstapriv = &padapter->stapriv;
1582 	struct ADDBA_request	*preq = (struct ADDBA_request *)paddba_req;
1583 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
1584 	struct mlme_ext_info	*pmlmeinfo = &pmlmeext->mlmext_info;
1585 
1586 	psta = rtw_get_stainfo(pstapriv, addr);
1587 
1588 	if (psta) {
1589 		param = le16_to_cpu(preq->BA_para_set);
1590 		tid = (param >> 2) & 0x0f;
1591 		preorder_ctrl = &psta->recvreorder_ctrl[tid];
1592 		preorder_ctrl->indicate_seq = 0xffff;
1593 		preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq) ? true : false;
1594 	}
1595 }
1596 
update_TSF(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1597 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1598 {
1599 	u8 *pIE;
1600 	__le32 *pbuf;
1601 
1602 	pIE = pframe + sizeof(struct rtw_ieee80211_hdr_3addr);
1603 	pbuf = (__le32 *)pIE;
1604 
1605 	pmlmeext->TSFValue = le32_to_cpu(*(pbuf + 1));
1606 
1607 	pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1608 
1609 	pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1610 }
1611 
correct_TSF(struct adapter * padapter,struct mlme_ext_priv * pmlmeext)1612 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1613 {
1614 	rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1615 }
1616 
beacon_timing_control(struct adapter * padapter)1617 void beacon_timing_control(struct adapter *padapter)
1618 {
1619 	rtw_hal_bcn_related_reg_setting(padapter);
1620 }
1621 
1622 static struct adapter *pbuddy_padapter;
1623 
rtw_handle_dualmac(struct adapter * adapter,bool init)1624 int rtw_handle_dualmac(struct adapter *adapter, bool init)
1625 {
1626 	int status = _SUCCESS;
1627 
1628 	if (init) {
1629 		if (!pbuddy_padapter) {
1630 			pbuddy_padapter = adapter;
1631 			DBG_88E("%s(): pbuddy_padapter == NULL, Set pbuddy_padapter\n", __func__);
1632 		} else {
1633 			adapter->pbuddy_adapter = pbuddy_padapter;
1634 			pbuddy_padapter->pbuddy_adapter = adapter;
1635 			/*  clear global value */
1636 			pbuddy_padapter = NULL;
1637 			DBG_88E("%s(): pbuddy_padapter exist, Exchange Information\n", __func__);
1638 		}
1639 	} else {
1640 		pbuddy_padapter = NULL;
1641 	}
1642 	return status;
1643 }
1644