1 /******************************************************************************
2  *
3  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms of version 2 of the GNU General Public License as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12  * more details.
13  *
14  * You should have received a copy of the GNU General Public License along with
15  * this program; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17  *
18  *
19  ******************************************************************************/
20 #define _RTW_WLAN_UTIL_C_
21 
22 #include <osdep_service.h>
23 #include <drv_types.h>
24 #include <wifi.h>
25 
26 static unsigned char ARTHEROS_OUI1[] = {0x00, 0x03, 0x7f};
27 static unsigned char ARTHEROS_OUI2[] = {0x00, 0x13, 0x74};
28 
29 static unsigned char BROADCOM_OUI1[] = {0x00, 0x10, 0x18};
30 static unsigned char BROADCOM_OUI2[] = {0x00, 0x0a, 0xf7};
31 
32 static unsigned char CISCO_OUI[] = {0x00, 0x40, 0x96};
33 static unsigned char MARVELL_OUI[] = {0x00, 0x50, 0x43};
34 static unsigned char RALINK_OUI[] = {0x00, 0x0c, 0x43};
35 static unsigned char REALTEK_OUI[] = {0x00, 0xe0, 0x4c};
36 static unsigned char AIRGOCAP_OUI[] = {0x00, 0x0a, 0xf5};
37 static unsigned char EPIGRAM_OUI[] = {0x00, 0x90, 0x4c};
38 
39 unsigned char REALTEK_96B_IE[] = {0x00, 0xe0, 0x4c, 0x02, 0x01, 0x20};
40 
41 #define R2T_PHY_DELAY	(0)
42 
43 /* define WAIT_FOR_BCN_TO_M	(3000) */
44 #define WAIT_FOR_BCN_TO_MIN	(6000)
45 #define WAIT_FOR_BCN_TO_MAX	(20000)
46 
47 static u8 rtw_basic_rate_cck[4] = {
48 	IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
49 	IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK
50 };
51 
52 static u8 rtw_basic_rate_ofdm[3] = {
53 	IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
54 	IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
55 };
56 
57 static u8 rtw_basic_rate_mix[7] = {
58 	IEEE80211_CCK_RATE_1MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_2MB|IEEE80211_BASIC_RATE_MASK,
59 	IEEE80211_CCK_RATE_5MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_CCK_RATE_11MB|IEEE80211_BASIC_RATE_MASK,
60 	IEEE80211_OFDM_RATE_6MB|IEEE80211_BASIC_RATE_MASK, IEEE80211_OFDM_RATE_12MB|IEEE80211_BASIC_RATE_MASK,
61 	IEEE80211_OFDM_RATE_24MB|IEEE80211_BASIC_RATE_MASK
62 };
63 
cckrates_included(unsigned char * rate,int ratelen)64 int cckrates_included(unsigned char *rate, int ratelen)
65 {
66 	int	i;
67 
68 	for (i = 0; i < ratelen; i++) {
69 		if  ((((rate[i]) & 0x7f) == 2)	|| (((rate[i]) & 0x7f) == 4) ||
70 		     (((rate[i]) & 0x7f) == 11)  || (((rate[i]) & 0x7f) == 22))
71 			return true;
72 	}
73 	return false;
74 }
75 
cckratesonly_included(unsigned char * rate,int ratelen)76 int cckratesonly_included(unsigned char *rate, int ratelen)
77 {
78 	int	i;
79 
80 	for (i = 0; i < ratelen; i++) {
81 		if  ((((rate[i]) & 0x7f) != 2) && (((rate[i]) & 0x7f) != 4) &&
82 			   (((rate[i]) & 0x7f) != 11)  && (((rate[i]) & 0x7f) != 22))
83 			return false;
84 	}
85 
86 	return true;
87 }
88 
networktype_to_raid(unsigned char network_type)89 unsigned char networktype_to_raid(unsigned char network_type)
90 {
91 	switch (network_type) {
92 	case WIRELESS_11B:
93 		return RATR_INX_WIRELESS_B;
94 	case WIRELESS_11A:
95 	case WIRELESS_11G:
96 		return RATR_INX_WIRELESS_G;
97 	case WIRELESS_11BG:
98 		return RATR_INX_WIRELESS_GB;
99 	case WIRELESS_11_24N:
100 	case WIRELESS_11_5N:
101 		return RATR_INX_WIRELESS_N;
102 	case WIRELESS_11A_5N:
103 	case WIRELESS_11G_24N:
104 		return  RATR_INX_WIRELESS_NG;
105 	case WIRELESS_11BG_24N:
106 		return RATR_INX_WIRELESS_NGB;
107 	default:
108 		return RATR_INX_WIRELESS_GB;
109 	}
110 }
111 
judge_network_type(struct adapter * padapter,unsigned char * rate,int ratelen)112 u8 judge_network_type(struct adapter *padapter, unsigned char *rate, int ratelen)
113 {
114 	u8 network_type = 0;
115 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
116 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
117 
118 	if (pmlmeext->cur_channel > 14) {
119 		if (pmlmeinfo->HT_enable)
120 			network_type = WIRELESS_11_5N;
121 
122 		network_type |= WIRELESS_11A;
123 	} else {
124 		if (pmlmeinfo->HT_enable)
125 			network_type = WIRELESS_11_24N;
126 
127 		if ((cckratesonly_included(rate, ratelen)) == true)
128 			network_type |= WIRELESS_11B;
129 		else if ((cckrates_included(rate, ratelen)) == true)
130 			network_type |= WIRELESS_11BG;
131 		else
132 			network_type |= WIRELESS_11G;
133 	}
134 	return	network_type;
135 }
136 
ratetbl_val_2wifirate(unsigned char rate)137 static unsigned char ratetbl_val_2wifirate(unsigned char rate)
138 {
139 	switch (rate & 0x7f) {
140 	case 0:
141 		return IEEE80211_CCK_RATE_1MB;
142 	case 1:
143 		return IEEE80211_CCK_RATE_2MB;
144 	case 2:
145 		return IEEE80211_CCK_RATE_5MB;
146 	case 3:
147 		return IEEE80211_CCK_RATE_11MB;
148 	case 4:
149 		return IEEE80211_OFDM_RATE_6MB;
150 	case 5:
151 		return IEEE80211_OFDM_RATE_9MB;
152 	case 6:
153 		return IEEE80211_OFDM_RATE_12MB;
154 	case 7:
155 		return IEEE80211_OFDM_RATE_18MB;
156 	case 8:
157 		return IEEE80211_OFDM_RATE_24MB;
158 	case 9:
159 		return IEEE80211_OFDM_RATE_36MB;
160 	case 10:
161 		return IEEE80211_OFDM_RATE_48MB;
162 	case 11:
163 		return IEEE80211_OFDM_RATE_54MB;
164 	default:
165 		return 0;
166 	}
167 }
168 
is_basicrate(struct adapter * padapter,unsigned char rate)169 static int is_basicrate(struct adapter *padapter, unsigned char rate)
170 {
171 	int i;
172 	unsigned char val;
173 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
174 
175 	for (i = 0; i < NumRates; i++) {
176 		val = pmlmeext->basicrate[i];
177 
178 		if ((val != 0xff) && (val != 0xfe)) {
179 			if (rate == ratetbl_val_2wifirate(val))
180 				return true;
181 		}
182 	}
183 	return false;
184 }
185 
ratetbl2rateset(struct adapter * padapter,unsigned char * rateset)186 static unsigned int ratetbl2rateset(struct adapter *padapter, unsigned char *rateset)
187 {
188 	int i;
189 	unsigned char rate;
190 	unsigned int	len = 0;
191 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
192 
193 	for (i = 0; i < NumRates; i++) {
194 		rate = pmlmeext->datarate[i];
195 
196 		switch (rate) {
197 		case 0xff:
198 			return len;
199 		case 0xfe:
200 			continue;
201 		default:
202 			rate = ratetbl_val_2wifirate(rate);
203 
204 			if (is_basicrate(padapter, rate) == true)
205 				rate |= IEEE80211_BASIC_RATE_MASK;
206 
207 			rateset[len] = rate;
208 			len++;
209 			break;
210 		}
211 	}
212 	return len;
213 }
214 
get_rate_set(struct adapter * padapter,unsigned char * pbssrate,int * bssrate_len)215 void get_rate_set(struct adapter *padapter, unsigned char *pbssrate, int *bssrate_len)
216 {
217 	unsigned char supportedrates[NumRates];
218 
219 	memset(supportedrates, 0, NumRates);
220 	*bssrate_len = ratetbl2rateset(padapter, supportedrates);
221 	memcpy(pbssrate, supportedrates, *bssrate_len);
222 }
223 
UpdateBrateTbl(struct adapter * Adapter,u8 * mbrate)224 void UpdateBrateTbl(struct adapter *Adapter, u8 *mbrate)
225 {
226 	u8	i;
227 	u8	rate;
228 
229 	/*  1M, 2M, 5.5M, 11M, 6M, 12M, 24M are mandatory. */
230 	for (i = 0; i < NDIS_802_11_LENGTH_RATES_EX; i++) {
231 		rate = mbrate[i] & 0x7f;
232 		switch (rate) {
233 		case IEEE80211_CCK_RATE_1MB:
234 		case IEEE80211_CCK_RATE_2MB:
235 		case IEEE80211_CCK_RATE_5MB:
236 		case IEEE80211_CCK_RATE_11MB:
237 		case IEEE80211_OFDM_RATE_6MB:
238 		case IEEE80211_OFDM_RATE_12MB:
239 		case IEEE80211_OFDM_RATE_24MB:
240 			mbrate[i] |= IEEE80211_BASIC_RATE_MASK;
241 			break;
242 		}
243 	}
244 }
245 
UpdateBrateTblForSoftAP(u8 * bssrateset,u32 bssratelen)246 void UpdateBrateTblForSoftAP(u8 *bssrateset, u32 bssratelen)
247 {
248 	u8	i;
249 	u8	rate;
250 
251 	for (i = 0; i < bssratelen; i++) {
252 		rate = bssrateset[i] & 0x7f;
253 		switch (rate) {
254 		case IEEE80211_CCK_RATE_1MB:
255 		case IEEE80211_CCK_RATE_2MB:
256 		case IEEE80211_CCK_RATE_5MB:
257 		case IEEE80211_CCK_RATE_11MB:
258 			bssrateset[i] |= IEEE80211_BASIC_RATE_MASK;
259 			break;
260 		}
261 	}
262 }
263 
Save_DM_Func_Flag(struct adapter * padapter)264 void Save_DM_Func_Flag(struct adapter *padapter)
265 {
266 	u8	saveflag = true;
267 
268 	rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
269 }
270 
Restore_DM_Func_Flag(struct adapter * padapter)271 void Restore_DM_Func_Flag(struct adapter *padapter)
272 {
273 	u8	saveflag = false;
274 
275 	rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_OP, (u8 *)(&saveflag));
276 }
277 
Switch_DM_Func(struct adapter * padapter,u32 mode,u8 enable)278 void Switch_DM_Func(struct adapter *padapter, u32 mode, u8 enable)
279 {
280 	if (enable)
281 		rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_SET, (u8 *)(&mode));
282 	else
283 		rtw_hal_set_hwreg(padapter, HW_VAR_DM_FUNC_CLR, (u8 *)(&mode));
284 }
285 
Set_NETYPE0_MSR(struct adapter * padapter,u8 type)286 static void Set_NETYPE0_MSR(struct adapter *padapter, u8 type)
287 {
288 	rtw_hal_set_hwreg(padapter, HW_VAR_MEDIA_STATUS, (u8 *)(&type));
289 }
290 
Set_MSR(struct adapter * padapter,u8 type)291 void Set_MSR(struct adapter *padapter, u8 type)
292 {
293 	Set_NETYPE0_MSR(padapter, type);
294 }
295 
rtw_get_oper_ch(struct adapter * adapter)296 inline u8 rtw_get_oper_ch(struct adapter *adapter)
297 {
298 	return adapter->mlmeextpriv.oper_channel;
299 }
300 
rtw_set_oper_ch(struct adapter * adapter,u8 ch)301 inline void rtw_set_oper_ch(struct adapter *adapter, u8 ch)
302 {
303 	adapter->mlmeextpriv.oper_channel = ch;
304 }
305 
rtw_get_oper_bw(struct adapter * adapter)306 inline u8 rtw_get_oper_bw(struct adapter *adapter)
307 {
308 	return adapter->mlmeextpriv.oper_bwmode;
309 }
310 
rtw_set_oper_bw(struct adapter * adapter,u8 bw)311 inline void rtw_set_oper_bw(struct adapter *adapter, u8 bw)
312 {
313 	adapter->mlmeextpriv.oper_bwmode = bw;
314 }
315 
rtw_get_oper_choffset(struct adapter * adapter)316 inline u8 rtw_get_oper_choffset(struct adapter *adapter)
317 {
318 	return adapter->mlmeextpriv.oper_ch_offset;
319 }
320 
rtw_set_oper_choffset(struct adapter * adapter,u8 offset)321 inline void rtw_set_oper_choffset(struct adapter *adapter, u8 offset)
322 {
323 	adapter->mlmeextpriv.oper_ch_offset = offset;
324 }
325 
SelectChannel(struct adapter * padapter,unsigned char channel)326 void SelectChannel(struct adapter *padapter, unsigned char channel)
327 {
328 	/* saved channel info */
329 	rtw_set_oper_ch(padapter, channel);
330 	rtw_hal_set_chan(padapter, channel);
331 }
332 
SetBWMode(struct adapter * padapter,unsigned short bwmode,unsigned char channel_offset)333 void SetBWMode(struct adapter *padapter, unsigned short bwmode,
334 	       unsigned char channel_offset)
335 {
336 	/* saved bw info */
337 	rtw_set_oper_bw(padapter, bwmode);
338 	rtw_set_oper_choffset(padapter, channel_offset);
339 
340 	rtw_hal_set_bwmode(padapter, (enum ht_channel_width)bwmode, channel_offset);
341 }
342 
set_channel_bwmode(struct adapter * padapter,unsigned char channel,unsigned char channel_offset,unsigned short bwmode)343 void set_channel_bwmode(struct adapter *padapter, unsigned char channel, unsigned char channel_offset, unsigned short bwmode)
344 {
345 	u8 center_ch;
346 
347 	if (padapter->bNotifyChannelChange)
348 		DBG_88E("[%s] ch = %d, offset = %d, bwmode = %d\n", __func__, channel, channel_offset, bwmode);
349 
350 	if ((bwmode == HT_CHANNEL_WIDTH_20) ||
351 	    (channel_offset == HAL_PRIME_CHNL_OFFSET_DONT_CARE)) {
352 		/* SelectChannel(padapter, channel); */
353 		center_ch = channel;
354 	} else {
355 		/* switch to the proper channel */
356 		if (channel_offset == HAL_PRIME_CHNL_OFFSET_LOWER) {
357 			/* SelectChannel(padapter, channel + 2); */
358 			center_ch = channel + 2;
359 		} else {
360 			/* SelectChannel(padapter, channel - 2); */
361 			center_ch = channel - 2;
362 		}
363 	}
364 
365 	/* set Channel */
366 	/* saved channel/bw info */
367 	rtw_set_oper_ch(padapter, channel);
368 	rtw_set_oper_bw(padapter, bwmode);
369 	rtw_set_oper_choffset(padapter, channel_offset);
370 
371 	rtw_hal_set_chan(padapter, center_ch); /*  set center channel */
372 	SetBWMode(padapter, bwmode, channel_offset);
373 }
374 
get_bsstype(unsigned short capability)375 int get_bsstype(unsigned short capability)
376 {
377 	if (capability & BIT(0))
378 		return WIFI_FW_AP_STATE;
379 	else if (capability & BIT(1))
380 		return WIFI_FW_ADHOC_STATE;
381 	else
382 		return 0;
383 }
384 
get_beacon_interval(struct wlan_bssid_ex * bss)385 u16 get_beacon_interval(struct wlan_bssid_ex *bss)
386 {
387 	__le16 val;
388 	memcpy((unsigned char *)&val, rtw_get_beacon_interval_from_ie(bss->IEs), 2);
389 
390 	return le16_to_cpu(val);
391 }
392 
is_client_associated_to_ap(struct adapter * padapter)393 int is_client_associated_to_ap(struct adapter *padapter)
394 {
395 	struct mlme_ext_priv	*pmlmeext;
396 	struct mlme_ext_info	*pmlmeinfo;
397 
398 	if (!padapter)
399 		return _FAIL;
400 
401 	pmlmeext = &padapter->mlmeextpriv;
402 	pmlmeinfo = &(pmlmeext->mlmext_info);
403 
404 	if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_STATION_STATE))
405 		return true;
406 	else
407 		return _FAIL;
408 }
409 
is_client_associated_to_ibss(struct adapter * padapter)410 int is_client_associated_to_ibss(struct adapter *padapter)
411 {
412 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
413 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
414 
415 	if ((pmlmeinfo->state & WIFI_FW_ASSOC_SUCCESS) && ((pmlmeinfo->state&0x03) == WIFI_FW_ADHOC_STATE))
416 		return true;
417 	else
418 		return _FAIL;
419 }
420 
is_IBSS_empty(struct adapter * padapter)421 int is_IBSS_empty(struct adapter *padapter)
422 {
423 	unsigned int i;
424 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
425 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
426 
427 	for (i = IBSS_START_MAC_ID; i < NUM_STA; i++) {
428 		if (pmlmeinfo->FW_sta_info[i].status == 1)
429 			return _FAIL;
430 	}
431 	return true;
432 }
433 
decide_wait_for_beacon_timeout(unsigned int bcn_interval)434 unsigned int decide_wait_for_beacon_timeout(unsigned int bcn_interval)
435 {
436 	if ((bcn_interval << 2) < WAIT_FOR_BCN_TO_MIN)
437 		return WAIT_FOR_BCN_TO_MIN;
438 	else if ((bcn_interval << 2) > WAIT_FOR_BCN_TO_MAX)
439 		return WAIT_FOR_BCN_TO_MAX;
440 	else
441 		return bcn_interval << 2;
442 }
443 
CAM_empty_entry(struct adapter * Adapter,u8 ucIndex)444 void CAM_empty_entry(struct adapter *Adapter, u8 ucIndex)
445 {
446 	rtw_hal_set_hwreg(Adapter, HW_VAR_CAM_EMPTY_ENTRY, (u8 *)(&ucIndex));
447 }
448 
invalidate_cam_all(struct adapter * padapter)449 void invalidate_cam_all(struct adapter *padapter)
450 {
451 	rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
452 }
453 
write_cam(struct adapter * padapter,u8 entry,u16 ctrl,u8 * mac,u8 * key)454 void write_cam(struct adapter *padapter, u8 entry, u16 ctrl, u8 *mac, u8 *key)
455 {
456 	unsigned int	i, val, addr;
457 	int j;
458 	u32	cam_val[2];
459 
460 	addr = entry << 3;
461 
462 	for (j = 5; j >= 0; j--) {
463 		switch (j) {
464 		case 0:
465 			val = ctrl | (mac[0] << 16) | (mac[1] << 24);
466 			break;
467 		case 1:
468 			val = mac[2] | (mac[3] << 8) | (mac[4] << 16) | (mac[5] << 24);
469 			break;
470 		default:
471 			i = (j - 2) << 2;
472 			val = key[i] | (key[i+1] << 8) | (key[i+2] << 16) | (key[i+3] << 24);
473 			break;
474 		}
475 
476 		cam_val[0] = val;
477 		cam_val[1] = addr + (unsigned int)j;
478 
479 		rtw_hal_set_hwreg(padapter, HW_VAR_CAM_WRITE, (u8 *)cam_val);
480 	}
481 }
482 
clear_cam_entry(struct adapter * padapter,u8 entry)483 void clear_cam_entry(struct adapter *padapter, u8 entry)
484 {
485 	unsigned char null_sta[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
486 	unsigned char null_key[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
487 				    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
488 
489 	write_cam(padapter, entry, 0, null_sta, null_key);
490 }
491 
allocate_fw_sta_entry(struct adapter * padapter)492 int allocate_fw_sta_entry(struct adapter *padapter)
493 {
494 	unsigned int mac_id;
495 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
496 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
497 
498 	for (mac_id = IBSS_START_MAC_ID; mac_id < NUM_STA; mac_id++) {
499 		if (pmlmeinfo->FW_sta_info[mac_id].status == 0) {
500 			pmlmeinfo->FW_sta_info[mac_id].status = 1;
501 			pmlmeinfo->FW_sta_info[mac_id].retry = 0;
502 			break;
503 		}
504 	}
505 
506 	return mac_id;
507 }
508 
flush_all_cam_entry(struct adapter * padapter)509 void flush_all_cam_entry(struct adapter *padapter)
510 {
511 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
512 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
513 
514 	rtw_hal_set_hwreg(padapter, HW_VAR_CAM_INVALID_ALL, NULL);
515 
516 	memset((u8 *)(pmlmeinfo->FW_sta_info), 0, sizeof(pmlmeinfo->FW_sta_info));
517 }
518 
WMM_param_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)519 int WMM_param_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
520 {
521 	/* struct registry_priv	*pregpriv = &padapter->registrypriv; */
522 	struct mlme_priv	*pmlmepriv = &(padapter->mlmepriv);
523 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
524 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
525 
526 	if (pmlmepriv->qospriv.qos_option == 0) {
527 		pmlmeinfo->WMM_enable = 0;
528 		return _FAIL;
529 	}
530 
531 	pmlmeinfo->WMM_enable = 1;
532 	memcpy(&(pmlmeinfo->WMM_param), (pIE->data + 6), sizeof(struct WMM_para_element));
533 	return true;
534 }
535 
WMMOnAssocRsp(struct adapter * padapter)536 void WMMOnAssocRsp(struct adapter *padapter)
537 {
538 	u8	ACI, ACM, AIFS, ECWMin, ECWMax, aSifsTime;
539 	u8	acm_mask;
540 	u16	TXOP;
541 	u32	acParm, i;
542 	u32	edca[4], inx[4];
543 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
544 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
545 	struct xmit_priv		*pxmitpriv = &padapter->xmitpriv;
546 	struct registry_priv	*pregpriv = &padapter->registrypriv;
547 
548 	if (pmlmeinfo->WMM_enable == 0) {
549 		padapter->mlmepriv.acm_mask = 0;
550 		return;
551 	}
552 
553 	acm_mask = 0;
554 
555 	if (pmlmeext->cur_wireless_mode == WIRELESS_11B)
556 		aSifsTime = 10;
557 	else
558 		aSifsTime = 16;
559 
560 	for (i = 0; i < 4; i++) {
561 		ACI = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 5) & 0x03;
562 		ACM = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN >> 4) & 0x01;
563 
564 		/* AIFS = AIFSN * slot time + SIFS - r2t phy delay */
565 		AIFS = (pmlmeinfo->WMM_param.ac_param[i].ACI_AIFSN & 0x0f) * pmlmeinfo->slotTime + aSifsTime;
566 
567 		ECWMin = pmlmeinfo->WMM_param.ac_param[i].CW & 0x0f;
568 		ECWMax = (pmlmeinfo->WMM_param.ac_param[i].CW & 0xf0) >> 4;
569 		TXOP = le16_to_cpu(pmlmeinfo->WMM_param.ac_param[i].TXOP_limit);
570 
571 		acParm = AIFS | (ECWMin << 8) | (ECWMax << 12) | (TXOP << 16);
572 
573 		switch (ACI) {
574 		case 0x0:
575 			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BE, (u8 *)(&acParm));
576 			acm_mask |= (ACM ? BIT(1) : 0);
577 			edca[XMIT_BE_QUEUE] = acParm;
578 			break;
579 		case 0x1:
580 			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_BK, (u8 *)(&acParm));
581 			edca[XMIT_BK_QUEUE] = acParm;
582 			break;
583 		case 0x2:
584 			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VI, (u8 *)(&acParm));
585 			acm_mask |= (ACM ? BIT(2) : 0);
586 			edca[XMIT_VI_QUEUE] = acParm;
587 			break;
588 		case 0x3:
589 			rtw_hal_set_hwreg(padapter, HW_VAR_AC_PARAM_VO, (u8 *)(&acParm));
590 			acm_mask |= (ACM ? BIT(3) : 0);
591 			edca[XMIT_VO_QUEUE] = acParm;
592 			break;
593 		}
594 
595 		DBG_88E("WMM(%x): %x, %x\n", ACI, ACM, acParm);
596 	}
597 
598 	if (padapter->registrypriv.acm_method == 1)
599 		rtw_hal_set_hwreg(padapter, HW_VAR_ACM_CTRL, (u8 *)(&acm_mask));
600 	else
601 		padapter->mlmepriv.acm_mask = acm_mask;
602 
603 	inx[0] = 0; inx[1] = 1; inx[2] = 2; inx[3] = 3;
604 
605 	if (pregpriv->wifi_spec == 1) {
606 		u32	j, tmp, change_inx = false;
607 
608 		/* entry indx: 0->vo, 1->vi, 2->be, 3->bk. */
609 		for (i = 0; i < 4; i++) {
610 			for (j = i+1; j < 4; j++) {
611 				/* compare CW and AIFS */
612 				if ((edca[j] & 0xFFFF) < (edca[i] & 0xFFFF)) {
613 					change_inx = true;
614 				} else if ((edca[j] & 0xFFFF) == (edca[i] & 0xFFFF)) {
615 					/* compare TXOP */
616 					if ((edca[j] >> 16) > (edca[i] >> 16))
617 						change_inx = true;
618 				}
619 
620 				if (change_inx) {
621 					tmp = edca[i];
622 					edca[i] = edca[j];
623 					edca[j] = tmp;
624 
625 					tmp = inx[i];
626 					inx[i] = inx[j];
627 					inx[j] = tmp;
628 
629 					change_inx = false;
630 				}
631 			}
632 		}
633 	}
634 
635 	for (i = 0; i < 4; i++) {
636 		pxmitpriv->wmm_para_seq[i] = inx[i];
637 		DBG_88E("wmm_para_seq(%d): %d\n", i, pxmitpriv->wmm_para_seq[i]);
638 	}
639 }
640 
bwmode_update_check(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)641 static void bwmode_update_check(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
642 {
643 	unsigned char	 new_bwmode;
644 	unsigned char  new_ch_offset;
645 	struct HT_info_element	 *pHT_info;
646 	struct mlme_priv	*pmlmepriv = &(padapter->mlmepriv);
647 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
648 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
649 	struct registry_priv *pregistrypriv = &padapter->registrypriv;
650 	struct ht_priv			*phtpriv = &pmlmepriv->htpriv;
651 
652 	if (!pIE)
653 		return;
654 
655 	if (!phtpriv)
656 		return;
657 
658 	if (pIE->Length > sizeof(struct HT_info_element))
659 		return;
660 
661 	pHT_info = (struct HT_info_element *)pIE->data;
662 
663 	if ((pHT_info->infos[0] & BIT(2)) && pregistrypriv->cbw40_enable) {
664 		new_bwmode = HT_CHANNEL_WIDTH_40;
665 
666 		switch (pHT_info->infos[0] & 0x3) {
667 		case 1:
668 			new_ch_offset = HAL_PRIME_CHNL_OFFSET_LOWER;
669 			break;
670 		case 3:
671 			new_ch_offset = HAL_PRIME_CHNL_OFFSET_UPPER;
672 			break;
673 		default:
674 			new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
675 			break;
676 		}
677 	} else {
678 		new_bwmode = HT_CHANNEL_WIDTH_20;
679 		new_ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
680 	}
681 
682 	if ((new_bwmode != pmlmeext->cur_bwmode) ||
683 	    (new_ch_offset != pmlmeext->cur_ch_offset)) {
684 		pmlmeinfo->bwmode_updated = true;
685 
686 		pmlmeext->cur_bwmode = new_bwmode;
687 		pmlmeext->cur_ch_offset = new_ch_offset;
688 
689 		/* update HT info also */
690 		HT_info_handler(padapter, pIE);
691 	} else {
692 		pmlmeinfo->bwmode_updated = false;
693 	}
694 
695 	if (pmlmeinfo->bwmode_updated) {
696 		struct sta_info *psta;
697 		struct wlan_bssid_ex	*cur_network = &(pmlmeinfo->network);
698 		struct sta_priv	*pstapriv = &padapter->stapriv;
699 
700 		/* set_channel_bwmode(padapter, pmlmeext->cur_channel, pmlmeext->cur_ch_offset, pmlmeext->cur_bwmode); */
701 
702 		/* update ap's stainfo */
703 		psta = rtw_get_stainfo(pstapriv, cur_network->MacAddress);
704 		if (psta) {
705 			struct ht_priv	*phtpriv_sta = &psta->htpriv;
706 
707 			if (phtpriv_sta->ht_option) {
708 				/*  bwmode */
709 				phtpriv_sta->bwmode = pmlmeext->cur_bwmode;
710 				phtpriv_sta->ch_offset = pmlmeext->cur_ch_offset;
711 			} else {
712 				phtpriv_sta->bwmode = HT_CHANNEL_WIDTH_20;
713 				phtpriv_sta->ch_offset = HAL_PRIME_CHNL_OFFSET_DONT_CARE;
714 			}
715 		}
716 	}
717 }
718 
HT_caps_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)719 void HT_caps_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
720 {
721 	unsigned int	i;
722 	u8	rf_type;
723 	u8	max_AMPDU_len, min_MPDU_spacing;
724 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
725 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
726 	struct mlme_priv		*pmlmepriv = &padapter->mlmepriv;
727 	struct ht_priv			*phtpriv = &pmlmepriv->htpriv;
728 
729 	if (pIE == NULL)
730 		return;
731 
732 	if (!phtpriv->ht_option)
733 		return;
734 
735 	pmlmeinfo->HT_caps_enable = 1;
736 
737 	for (i = 0; i < (pIE->Length); i++) {
738 		if (i != 2) {
739 			/*	Got the endian issue here. */
740 			pmlmeinfo->HT_caps.u.HT_cap[i] &= (pIE->data[i]);
741 		} else {
742 			/* modify from  fw by Thomas 2010/11/17 */
743 			if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3) > (pIE->data[i] & 0x3))
744 				max_AMPDU_len = pIE->data[i] & 0x3;
745 			else
746 				max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x3;
747 
748 			if ((pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) > (pIE->data[i] & 0x1c))
749 				min_MPDU_spacing = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c;
750 			else
751 				min_MPDU_spacing = pIE->data[i] & 0x1c;
752 
753 			pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para = max_AMPDU_len | min_MPDU_spacing;
754 		}
755 	}
756 
757 	rtw_hal_get_hwreg(padapter, HW_VAR_RF_TYPE, (u8 *)(&rf_type));
758 
759 	/* update the MCS rates */
760 	for (i = 0; i < 16; i++) {
761 		if ((rf_type == RF_1T1R) || (rf_type == RF_1T2R))
762 			pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_1R[i];
763 		else
764 			pmlmeinfo->HT_caps.u.HT_cap_element.MCS_rate[i] &= MCS_rate_2R[i];
765 	}
766 }
767 
HT_info_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)768 void HT_info_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
769 {
770 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
771 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
772 	struct mlme_priv		*pmlmepriv = &padapter->mlmepriv;
773 	struct ht_priv			*phtpriv = &pmlmepriv->htpriv;
774 
775 	if (pIE == NULL)
776 		return;
777 
778 	if (!phtpriv->ht_option)
779 		return;
780 
781 	if (pIE->Length > sizeof(struct HT_info_element))
782 		return;
783 
784 	pmlmeinfo->HT_info_enable = 1;
785 	memcpy(&(pmlmeinfo->HT_info), pIE->data, pIE->Length);
786 }
787 
HTOnAssocRsp(struct adapter * padapter)788 void HTOnAssocRsp(struct adapter *padapter)
789 {
790 	unsigned char		max_AMPDU_len;
791 	unsigned char		min_MPDU_spacing;
792 	/* struct registry_priv	 *pregpriv = &padapter->registrypriv; */
793 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
794 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
795 
796 	DBG_88E("%s\n", __func__);
797 
798 	if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable)) {
799 		pmlmeinfo->HT_enable = 1;
800 	} else {
801 		pmlmeinfo->HT_enable = 0;
802 		return;
803 	}
804 
805 	/* handle A-MPDU parameter field */
806 	/*
807 		AMPDU_para [1:0]:Max AMPDU Len => 0:8k , 1:16k, 2:32k, 3:64k
808 		AMPDU_para [4:2]:Min MPDU Start Spacing
809 	*/
810 	max_AMPDU_len = pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x03;
811 
812 	min_MPDU_spacing = (pmlmeinfo->HT_caps.u.HT_cap_element.AMPDU_para & 0x1c) >> 2;
813 
814 	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_MIN_SPACE, (u8 *)(&min_MPDU_spacing));
815 
816 	rtw_hal_set_hwreg(padapter, HW_VAR_AMPDU_FACTOR, (u8 *)(&max_AMPDU_len));
817 }
818 
ERP_IE_handler(struct adapter * padapter,struct ndis_802_11_var_ie * pIE)819 void ERP_IE_handler(struct adapter *padapter, struct ndis_802_11_var_ie *pIE)
820 {
821 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
822 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
823 
824 	if (pIE->Length > 1)
825 		return;
826 
827 	pmlmeinfo->ERP_enable = 1;
828 	memcpy(&(pmlmeinfo->ERP_IE), pIE->data, pIE->Length);
829 }
830 
VCS_update(struct adapter * padapter,struct sta_info * psta)831 void VCS_update(struct adapter *padapter, struct sta_info *psta)
832 {
833 	struct registry_priv	 *pregpriv = &padapter->registrypriv;
834 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
835 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
836 
837 	switch (pregpriv->vrtl_carrier_sense) { /* 0:off 1:on 2:auto */
838 	case 0: /* off */
839 		psta->rtsen = 0;
840 		psta->cts2self = 0;
841 		break;
842 	case 1: /* on */
843 		if (pregpriv->vcs_type == 1) { /* 1:RTS/CTS 2:CTS to self */
844 			psta->rtsen = 1;
845 			psta->cts2self = 0;
846 		} else {
847 			psta->rtsen = 0;
848 			psta->cts2self = 1;
849 		}
850 		break;
851 	case 2: /* auto */
852 	default:
853 		if ((pmlmeinfo->ERP_enable) && (pmlmeinfo->ERP_IE & BIT(1))) {
854 			if (pregpriv->vcs_type == 1) {
855 				psta->rtsen = 1;
856 				psta->cts2self = 0;
857 			} else {
858 				psta->rtsen = 0;
859 				psta->cts2self = 1;
860 			}
861 		} else {
862 			psta->rtsen = 0;
863 			psta->cts2self = 0;
864 		}
865 		break;
866 	}
867 }
868 
rtw_check_bcn_info(struct adapter * Adapter,u8 * pframe,u32 packet_len)869 int rtw_check_bcn_info(struct adapter  *Adapter, u8 *pframe, u32 packet_len)
870 {
871 	unsigned int		len;
872 	unsigned char		*p;
873 	unsigned short	val16, subtype;
874 	struct wlan_network *cur_network = &(Adapter->mlmepriv.cur_network);
875 	/* u8 wpa_ie[255], rsn_ie[255]; */
876 	u16 wpa_len = 0, rsn_len = 0;
877 	u8 encryp_protocol = 0;
878 	struct wlan_bssid_ex *bssid;
879 	int group_cipher = 0, pairwise_cipher = 0, is_8021x = 0;
880 	unsigned char *pbuf;
881 	u32 wpa_ielen = 0;
882 	u8 *pbssid = GetAddr3Ptr(pframe);
883 	struct HT_info_element *pht_info = NULL;
884 	struct rtw_ieee80211_ht_cap *pht_cap = NULL;
885 	u32 bcn_channel;
886 	unsigned short	ht_cap_info;
887 	unsigned char	ht_info_infos_0;
888 	int ssid_len;
889 
890 	if (is_client_associated_to_ap(Adapter) == false)
891 		return true;
892 
893 	len = packet_len - sizeof(struct rtw_ieee80211_hdr_3addr);
894 
895 	if (len > MAX_IE_SZ) {
896 		DBG_88E("%s IE too long for survey event\n", __func__);
897 		return _FAIL;
898 	}
899 
900 	if (!memcmp(cur_network->network.MacAddress, pbssid, 6) == false) {
901 		DBG_88E("Oops: rtw_check_network_encrypt linked but recv other bssid bcn\n%pM %pM\n",
902 			(pbssid), (cur_network->network.MacAddress));
903 		return true;
904 	}
905 
906 	bssid = kzalloc(sizeof(struct wlan_bssid_ex), GFP_ATOMIC);
907 	if (!bssid)
908 		return _FAIL;
909 
910 	subtype = GetFrameSubType(pframe) >> 4;
911 
912 	if (subtype == WIFI_BEACON)
913 		bssid->Reserved[0] = 1;
914 
915 	bssid->Length = sizeof(struct wlan_bssid_ex) - MAX_IE_SZ + len;
916 
917 	/* below is to copy the information element */
918 	bssid->IELength = len;
919 	memcpy(bssid->IEs, (pframe + sizeof(struct rtw_ieee80211_hdr_3addr)), bssid->IELength);
920 
921 	/* check bw and channel offset */
922 	/* parsing HT_CAP_IE */
923 	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_CAPABILITY_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
924 	if (p && len > 0) {
925 		pht_cap = (struct rtw_ieee80211_ht_cap *)(p + 2);
926 		ht_cap_info = pht_cap->cap_info;
927 	} else {
928 		ht_cap_info = 0;
929 	}
930 	/* parsing HT_INFO_IE */
931 	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
932 	if (p && len > 0) {
933 			pht_info = (struct HT_info_element *)(p + 2);
934 			ht_info_infos_0 = pht_info->infos[0];
935 	} else {
936 			ht_info_infos_0 = 0;
937 	}
938 	if (ht_cap_info != cur_network->BcnInfo.ht_cap_info ||
939 	    ((ht_info_infos_0&0x03) != (cur_network->BcnInfo.ht_info_infos_0&0x03))) {
940 			DBG_88E("%s bcn now: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
941 				ht_cap_info, ht_info_infos_0);
942 			DBG_88E("%s bcn link: ht_cap_info:%x ht_info_infos_0:%x\n", __func__,
943 				cur_network->BcnInfo.ht_cap_info, cur_network->BcnInfo.ht_info_infos_0);
944 			DBG_88E("%s bw mode change, disconnect\n", __func__);
945 			/* bcn_info_update */
946 			cur_network->BcnInfo.ht_cap_info = ht_cap_info;
947 			cur_network->BcnInfo.ht_info_infos_0 = ht_info_infos_0;
948 			/* to do : need to check that whether modify related register of BB or not */
949 			/* goto _mismatch; */
950 	}
951 
952 	/* Checking for channel */
953 	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _DSSET_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
954 	if (p) {
955 			bcn_channel = *(p + 2);
956 	} else {/* In 5G, some ap do not have DSSET IE checking HT info for channel */
957 			p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _HT_ADD_INFO_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
958 			if (pht_info) {
959 					bcn_channel = pht_info->primary_channel;
960 			} else { /* we don't find channel IE, so don't check it */
961 					DBG_88E("Oops: %s we don't find channel IE, so don't check it\n", __func__);
962 					bcn_channel = Adapter->mlmeextpriv.cur_channel;
963 			}
964 	}
965 	if (bcn_channel != Adapter->mlmeextpriv.cur_channel) {
966 			DBG_88E("%s beacon channel:%d cur channel:%d disconnect\n", __func__,
967 				bcn_channel, Adapter->mlmeextpriv.cur_channel);
968 			goto _mismatch;
969 	}
970 
971 	/* checking SSID */
972 	ssid_len = 0;
973 	p = rtw_get_ie(bssid->IEs + _FIXED_IE_LENGTH_, _SSID_IE_, &len, bssid->IELength - _FIXED_IE_LENGTH_);
974 	if (p) {
975 		ssid_len = *(p + 1);
976 		if (ssid_len > NDIS_802_11_LENGTH_SSID)
977 			ssid_len = 0;
978 	}
979 	memcpy(bssid->Ssid.Ssid, (p + 2), ssid_len);
980 	bssid->Ssid.SsidLength = ssid_len;
981 
982 	RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_, ("%s bssid.Ssid.Ssid:%s bssid.Ssid.SsidLength:%d "
983 				"cur_network->network.Ssid.Ssid:%s len:%d\n", __func__, bssid->Ssid.Ssid,
984 				bssid->Ssid.SsidLength, cur_network->network.Ssid.Ssid,
985 				cur_network->network.Ssid.SsidLength));
986 
987 	if (memcmp(bssid->Ssid.Ssid, cur_network->network.Ssid.Ssid, 32) ||
988 	    bssid->Ssid.SsidLength != cur_network->network.Ssid.SsidLength) {
989 		if (bssid->Ssid.Ssid[0] != '\0' && bssid->Ssid.SsidLength != 0) { /* not hidden ssid */
990 			DBG_88E("%s(), SSID is not match return FAIL\n", __func__);
991 			goto _mismatch;
992 		}
993 	}
994 
995 	/* check encryption info */
996 	val16 = rtw_get_capability((struct wlan_bssid_ex *)bssid);
997 
998 	if (val16 & BIT(4))
999 		bssid->Privacy = 1;
1000 	else
1001 		bssid->Privacy = 0;
1002 
1003 	RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1004 		 ("%s(): cur_network->network.Privacy is %d, bssid.Privacy is %d\n",
1005 		 __func__, cur_network->network.Privacy, bssid->Privacy));
1006 	if (cur_network->network.Privacy != bssid->Privacy) {
1007 		DBG_88E("%s(), privacy is not match return FAIL\n", __func__);
1008 		goto _mismatch;
1009 	}
1010 
1011 	rtw_get_sec_ie(bssid->IEs, bssid->IELength, NULL, &rsn_len, NULL, &wpa_len);
1012 
1013 	if (rsn_len > 0) {
1014 		encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1015 	} else if (wpa_len > 0) {
1016 		encryp_protocol = ENCRYP_PROTOCOL_WPA;
1017 	} else {
1018 		if (bssid->Privacy)
1019 			encryp_protocol = ENCRYP_PROTOCOL_WEP;
1020 	}
1021 
1022 	if (cur_network->BcnInfo.encryp_protocol != encryp_protocol) {
1023 		DBG_88E("%s(): encryption protocol is not match , return FAIL\n", __func__);
1024 		goto _mismatch;
1025 	}
1026 
1027 	if (encryp_protocol == ENCRYP_PROTOCOL_WPA || encryp_protocol == ENCRYP_PROTOCOL_WPA2) {
1028 		pbuf = rtw_get_wpa_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1029 		if (pbuf && (wpa_ielen > 0)) {
1030 			if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1031 				RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1032 					 ("%s pnetwork->pairwise_cipher: %d, group_cipher is %d, is_8021x is %d\n", __func__,
1033 					 pairwise_cipher, group_cipher, is_8021x));
1034 			}
1035 		} else {
1036 			pbuf = rtw_get_wpa2_ie(&bssid->IEs[12], &wpa_ielen, bssid->IELength-12);
1037 
1038 			if (pbuf && (wpa_ielen > 0)) {
1039 				if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is_8021x)) {
1040 					RT_TRACE(_module_rtl871x_mlme_c_, _drv_info_,
1041 						 ("%s pnetwork->pairwise_cipher: %d, pnetwork->group_cipher is %d, is_802x is %d\n",
1042 						  __func__, pairwise_cipher, group_cipher, is_8021x));
1043 				}
1044 			}
1045 		}
1046 
1047 		RT_TRACE(_module_rtl871x_mlme_c_, _drv_err_,
1048 			 ("%s cur_network->group_cipher is %d: %d\n", __func__, cur_network->BcnInfo.group_cipher, group_cipher));
1049 		if (pairwise_cipher != cur_network->BcnInfo.pairwise_cipher || group_cipher != cur_network->BcnInfo.group_cipher) {
1050 			DBG_88E("%s pairwise_cipher(%x:%x) or group_cipher(%x:%x) is not match , return FAIL\n", __func__,
1051 				pairwise_cipher, cur_network->BcnInfo.pairwise_cipher,
1052 				group_cipher, cur_network->BcnInfo.group_cipher);
1053 			goto _mismatch;
1054 		}
1055 
1056 		if (is_8021x != cur_network->BcnInfo.is_8021x) {
1057 			DBG_88E("%s authentication is not match , return FAIL\n", __func__);
1058 			goto _mismatch;
1059 		}
1060 	}
1061 
1062 	kfree(bssid);
1063 	return _SUCCESS;
1064 
1065 _mismatch:
1066 	kfree(bssid);
1067 	return _FAIL;
1068 }
1069 
update_beacon_info(struct adapter * padapter,u8 * pframe,uint pkt_len,struct sta_info * psta)1070 void update_beacon_info(struct adapter *padapter, u8 *pframe, uint pkt_len, struct sta_info *psta)
1071 {
1072 	unsigned int i;
1073 	unsigned int len;
1074 	struct ndis_802_11_var_ie *pIE;
1075 
1076 	len = pkt_len - (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN);
1077 
1078 	for (i = 0; i < len;) {
1079 		pIE = (struct ndis_802_11_var_ie *)(pframe + (_BEACON_IE_OFFSET_ + WLAN_HDR_A3_LEN) + i);
1080 
1081 		switch (pIE->ElementID) {
1082 		case _HT_EXTRA_INFO_IE_:	/* HT info */
1083 			/* HT_info_handler(padapter, pIE); */
1084 			bwmode_update_check(padapter, pIE);
1085 			break;
1086 		case _ERPINFO_IE_:
1087 			ERP_IE_handler(padapter, pIE);
1088 			VCS_update(padapter, psta);
1089 			break;
1090 		default:
1091 			break;
1092 		}
1093 
1094 		i += (pIE->Length + 2);
1095 	}
1096 }
1097 
is_ap_in_tkip(struct adapter * padapter)1098 unsigned int is_ap_in_tkip(struct adapter *padapter)
1099 {
1100 	u32 i;
1101 	struct ndis_802_11_var_ie *pIE;
1102 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1103 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
1104 	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
1105 
1106 	if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1107 		for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1108 			pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1109 
1110 			switch (pIE->ElementID) {
1111 			case _VENDOR_SPECIFIC_IE_:
1112 				if ((!memcmp(pIE->data, RTW_WPA_OUI, 4)) && (!memcmp((pIE->data + 12), WPA_TKIP_CIPHER, 4)))
1113 					return true;
1114 				break;
1115 			case _RSN_IE_2_:
1116 				if (!memcmp((pIE->data + 8), RSN_TKIP_CIPHER, 4))
1117 					return true;
1118 			default:
1119 				break;
1120 			}
1121 
1122 			i += (pIE->Length + 2);
1123 		}
1124 		return false;
1125 	} else {
1126 		return false;
1127 	}
1128 }
1129 
should_forbid_n_rate(struct adapter * padapter)1130 unsigned int should_forbid_n_rate(struct adapter *padapter)
1131 {
1132 	u32 i;
1133 	struct ndis_802_11_var_ie *pIE;
1134 	struct mlme_priv	*pmlmepriv = &padapter->mlmepriv;
1135 	struct wlan_bssid_ex  *cur_network = &pmlmepriv->cur_network.network;
1136 
1137 	if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1138 		for (i = sizeof(struct ndis_802_11_fixed_ie); i < cur_network->IELength;) {
1139 			pIE = (struct ndis_802_11_var_ie *)(cur_network->IEs + i);
1140 
1141 			switch (pIE->ElementID) {
1142 			case _VENDOR_SPECIFIC_IE_:
1143 				if (!memcmp(pIE->data, RTW_WPA_OUI, 4) &&
1144 				    ((!memcmp((pIE->data + 12), WPA_CIPHER_SUITE_CCMP, 4)) ||
1145 				    (!memcmp((pIE->data + 16), WPA_CIPHER_SUITE_CCMP, 4))))
1146 					return false;
1147 				break;
1148 			case _RSN_IE_2_:
1149 				if  ((!memcmp((pIE->data + 8), RSN_CIPHER_SUITE_CCMP, 4))  ||
1150 				       (!memcmp((pIE->data + 12), RSN_CIPHER_SUITE_CCMP, 4)))
1151 					return false;
1152 			default:
1153 				break;
1154 			}
1155 
1156 			i += (pIE->Length + 2);
1157 		}
1158 
1159 		return true;
1160 	} else {
1161 		return false;
1162 	}
1163 }
1164 
is_ap_in_wep(struct adapter * padapter)1165 unsigned int is_ap_in_wep(struct adapter *padapter)
1166 {
1167 	u32 i;
1168 	struct ndis_802_11_var_ie *pIE;
1169 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
1170 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
1171 	struct wlan_bssid_ex		*cur_network = &(pmlmeinfo->network);
1172 
1173 	if (rtw_get_capability((struct wlan_bssid_ex *)cur_network) & WLAN_CAPABILITY_PRIVACY) {
1174 		for (i = sizeof(struct ndis_802_11_fixed_ie); i < pmlmeinfo->network.IELength;) {
1175 			pIE = (struct ndis_802_11_var_ie *)(pmlmeinfo->network.IEs + i);
1176 
1177 			switch (pIE->ElementID) {
1178 			case _VENDOR_SPECIFIC_IE_:
1179 				if (!memcmp(pIE->data, RTW_WPA_OUI, 4))
1180 					return false;
1181 				break;
1182 			case _RSN_IE_2_:
1183 				return false;
1184 			default:
1185 				break;
1186 			}
1187 			i += (pIE->Length + 2);
1188 		}
1189 		return true;
1190 	} else {
1191 		return false;
1192 	}
1193 }
1194 
wifirate2_ratetbl_inx(unsigned char rate)1195 static int wifirate2_ratetbl_inx(unsigned char rate)
1196 {
1197 	rate = rate & 0x7f;
1198 
1199 	switch (rate) {
1200 	case 54*2:
1201 		return 11;
1202 	case 48*2:
1203 		return 10;
1204 	case 36*2:
1205 		return 9;
1206 	case 24*2:
1207 		return 8;
1208 	case 18*2:
1209 		return 7;
1210 	case 12*2:
1211 		return 6;
1212 	case 9*2:
1213 		return 5;
1214 	case 6*2:
1215 		return 4;
1216 	case 11*2:
1217 		return 3;
1218 	case 11:
1219 		return 2;
1220 	case 2*2:
1221 		return 1;
1222 	case 1*2:
1223 		return 0;
1224 	default:
1225 		return 0;
1226 	}
1227 }
1228 
update_basic_rate(unsigned char * ptn,unsigned int ptn_sz)1229 unsigned int update_basic_rate(unsigned char *ptn, unsigned int ptn_sz)
1230 {
1231 	unsigned int i, num_of_rate;
1232 	unsigned int mask = 0;
1233 
1234 	num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1235 
1236 	for (i = 0; i < num_of_rate; i++) {
1237 		if ((*(ptn + i)) & 0x80)
1238 			mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1239 	}
1240 	return mask;
1241 }
1242 
update_supported_rate(unsigned char * ptn,unsigned int ptn_sz)1243 unsigned int update_supported_rate(unsigned char *ptn, unsigned int ptn_sz)
1244 {
1245 	unsigned int i, num_of_rate;
1246 	unsigned int mask = 0;
1247 
1248 	num_of_rate = (ptn_sz > NumRates) ? NumRates : ptn_sz;
1249 
1250 	for (i = 0; i < num_of_rate; i++)
1251 		mask |= 0x1 << wifirate2_ratetbl_inx(*(ptn + i));
1252 	return mask;
1253 }
1254 
update_MSC_rate(struct HT_caps_element * pHT_caps)1255 unsigned int update_MSC_rate(struct HT_caps_element *pHT_caps)
1256 {
1257 	unsigned int mask = 0;
1258 
1259 	mask = (pHT_caps->u.HT_cap_element.MCS_rate[0] << 12) | (pHT_caps->u.HT_cap_element.MCS_rate[1] << 20);
1260 
1261 	return mask;
1262 }
1263 
support_short_GI(struct adapter * padapter,struct HT_caps_element * pHT_caps)1264 int support_short_GI(struct adapter *padapter, struct HT_caps_element *pHT_caps)
1265 {
1266 	unsigned char					bit_offset;
1267 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
1268 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
1269 
1270 	if (!(pmlmeinfo->HT_enable))
1271 		return _FAIL;
1272 
1273 	if (pmlmeinfo->assoc_AP_vendor == HT_IOT_PEER_RALINK)
1274 		return _FAIL;
1275 
1276 	bit_offset = (pmlmeext->cur_bwmode & HT_CHANNEL_WIDTH_40) ? 6 : 5;
1277 
1278 	if (__le16_to_cpu(pHT_caps->u.HT_cap_element.HT_caps_info) & (0x1 << bit_offset))
1279 		return _SUCCESS;
1280 	else
1281 		return _FAIL;
1282 }
1283 
get_highest_rate_idx(u32 mask)1284 unsigned char get_highest_rate_idx(u32 mask)
1285 {
1286 	int i;
1287 	unsigned char rate_idx = 0;
1288 
1289 	for (i = 27; i >= 0; i--) {
1290 		if (mask & BIT(i)) {
1291 			rate_idx = i;
1292 			break;
1293 		}
1294 	}
1295 	return rate_idx;
1296 }
1297 
Update_RA_Entry(struct adapter * padapter,u32 mac_id)1298 void Update_RA_Entry(struct adapter *padapter, u32 mac_id)
1299 {
1300 	rtw_hal_update_ra_mask(padapter, mac_id, 0);
1301 }
1302 
enable_rate_adaptive(struct adapter * padapter,u32 mac_id)1303 static void enable_rate_adaptive(struct adapter *padapter, u32 mac_id)
1304 {
1305 	Update_RA_Entry(padapter, mac_id);
1306 }
1307 
set_sta_rate(struct adapter * padapter,struct sta_info * psta)1308 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
1309 {
1310 	/* rate adaptive */
1311 	enable_rate_adaptive(padapter, psta->mac_id);
1312 }
1313 
1314 /*  Update RRSR and Rate for USERATE */
update_tx_basic_rate(struct adapter * padapter,u8 wirelessmode)1315 void update_tx_basic_rate(struct adapter *padapter, u8 wirelessmode)
1316 {
1317 	unsigned char supported_rates[NDIS_802_11_LENGTH_RATES_EX];
1318 	memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
1319 
1320 	if ((wirelessmode & WIRELESS_11B) && (wirelessmode == WIRELESS_11B))
1321 		memcpy(supported_rates, rtw_basic_rate_cck, 4);
1322 	else if (wirelessmode & WIRELESS_11B)
1323 		memcpy(supported_rates, rtw_basic_rate_mix, 7);
1324 	else
1325 		memcpy(supported_rates, rtw_basic_rate_ofdm, 3);
1326 
1327 
1328 	if (wirelessmode & WIRELESS_11B)
1329 		update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1330 	else
1331 		update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1332 
1333 	rtw_hal_set_hwreg(padapter, HW_VAR_BASIC_RATE, supported_rates);
1334 }
1335 
check_assoc_AP(u8 * pframe,uint len)1336 unsigned char check_assoc_AP(u8 *pframe, uint len)
1337 {
1338 	unsigned int i;
1339 	struct ndis_802_11_var_ie *pIE;
1340 	u8	epigram_vendor_flag;
1341 	u8	ralink_vendor_flag;
1342 	epigram_vendor_flag = 0;
1343 	ralink_vendor_flag = 0;
1344 
1345 	for (i = sizeof(struct ndis_802_11_fixed_ie); i < len;) {
1346 		pIE = (struct ndis_802_11_var_ie *)(pframe + i);
1347 
1348 		switch (pIE->ElementID) {
1349 		case _VENDOR_SPECIFIC_IE_:
1350 			if ((!memcmp(pIE->data, ARTHEROS_OUI1, 3)) ||
1351 			    (!memcmp(pIE->data, ARTHEROS_OUI2, 3))) {
1352 				DBG_88E("link to Artheros AP\n");
1353 				return HT_IOT_PEER_ATHEROS;
1354 			} else if ((!memcmp(pIE->data, BROADCOM_OUI1, 3)) ||
1355 				   (!memcmp(pIE->data, BROADCOM_OUI2, 3))) {
1356 				DBG_88E("link to Broadcom AP\n");
1357 				return HT_IOT_PEER_BROADCOM;
1358 			} else if (!memcmp(pIE->data, MARVELL_OUI, 3)) {
1359 				DBG_88E("link to Marvell AP\n");
1360 				return HT_IOT_PEER_MARVELL;
1361 			} else if (!memcmp(pIE->data, RALINK_OUI, 3)) {
1362 				if (!ralink_vendor_flag) {
1363 					ralink_vendor_flag = 1;
1364 				} else {
1365 					DBG_88E("link to Ralink AP\n");
1366 					return HT_IOT_PEER_RALINK;
1367 				}
1368 			} else if (!memcmp(pIE->data, CISCO_OUI, 3)) {
1369 				DBG_88E("link to Cisco AP\n");
1370 				return HT_IOT_PEER_CISCO;
1371 			} else if (!memcmp(pIE->data, REALTEK_OUI, 3)) {
1372 				DBG_88E("link to Realtek 96B\n");
1373 				return HT_IOT_PEER_REALTEK;
1374 			} else if (!memcmp(pIE->data, AIRGOCAP_OUI, 3)) {
1375 				DBG_88E("link to Airgo Cap\n");
1376 				return HT_IOT_PEER_AIRGO;
1377 			} else if (!memcmp(pIE->data, EPIGRAM_OUI, 3)) {
1378 				epigram_vendor_flag = 1;
1379 				if (ralink_vendor_flag) {
1380 					DBG_88E("link to Tenda W311R AP\n");
1381 					 return HT_IOT_PEER_TENDA;
1382 				} else {
1383 					DBG_88E("Capture EPIGRAM_OUI\n");
1384 				}
1385 			} else {
1386 				break;
1387 			}
1388 
1389 		default:
1390 			break;
1391 		}
1392 		i += (pIE->Length + 2);
1393 	}
1394 
1395 	if (ralink_vendor_flag && !epigram_vendor_flag) {
1396 		DBG_88E("link to Ralink AP\n");
1397 		return HT_IOT_PEER_RALINK;
1398 	} else if (ralink_vendor_flag && epigram_vendor_flag) {
1399 		DBG_88E("link to Tenda W311R AP\n");
1400 		return HT_IOT_PEER_TENDA;
1401 	} else {
1402 		DBG_88E("link to new AP\n");
1403 		return HT_IOT_PEER_UNKNOWN;
1404 	}
1405 }
1406 
update_IOT_info(struct adapter * padapter)1407 void update_IOT_info(struct adapter *padapter)
1408 {
1409 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
1410 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
1411 
1412 	switch (pmlmeinfo->assoc_AP_vendor) {
1413 	case HT_IOT_PEER_MARVELL:
1414 		pmlmeinfo->turboMode_cts2self = 1;
1415 		pmlmeinfo->turboMode_rtsen = 0;
1416 		break;
1417 	case HT_IOT_PEER_RALINK:
1418 		pmlmeinfo->turboMode_cts2self = 0;
1419 		pmlmeinfo->turboMode_rtsen = 1;
1420 		/* disable high power */
1421 		Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1422 		break;
1423 	case HT_IOT_PEER_REALTEK:
1424 		/* rtw_write16(padapter, 0x4cc, 0xffff); */
1425 		/* rtw_write16(padapter, 0x546, 0x01c0); */
1426 		/* disable high power */
1427 		Switch_DM_Func(padapter, (~DYNAMIC_BB_DYNAMIC_TXPWR), false);
1428 		break;
1429 	default:
1430 		pmlmeinfo->turboMode_cts2self = 0;
1431 		pmlmeinfo->turboMode_rtsen = 1;
1432 		break;
1433 	}
1434 }
1435 
update_capinfo(struct adapter * Adapter,u16 updateCap)1436 void update_capinfo(struct adapter *Adapter, u16 updateCap)
1437 {
1438 	struct mlme_ext_priv	*pmlmeext = &Adapter->mlmeextpriv;
1439 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
1440 	bool		ShortPreamble;
1441 
1442 	/*  Check preamble mode, 2005.01.06, by rcnjko. */
1443 	/*  Mark to update preamble value forever, 2008.03.18 by lanhsin */
1444 
1445 	if (updateCap & cShortPreamble) { /*  Short Preamble */
1446 		if (pmlmeinfo->preamble_mode != PREAMBLE_SHORT) { /*  PREAMBLE_LONG or PREAMBLE_AUTO */
1447 			ShortPreamble = true;
1448 			pmlmeinfo->preamble_mode = PREAMBLE_SHORT;
1449 			rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1450 		}
1451 	} else { /*  Long Preamble */
1452 		if (pmlmeinfo->preamble_mode != PREAMBLE_LONG) {  /*  PREAMBLE_SHORT or PREAMBLE_AUTO */
1453 			ShortPreamble = false;
1454 			pmlmeinfo->preamble_mode = PREAMBLE_LONG;
1455 			rtw_hal_set_hwreg(Adapter, HW_VAR_ACK_PREAMBLE, (u8 *)&ShortPreamble);
1456 		}
1457 	}
1458 
1459 	if (updateCap & cIBSS) {
1460 		/* Filen: See 802.11-2007 p.91 */
1461 		pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1462 	} else { /* Filen: See 802.11-2007 p.90 */
1463 		if (pmlmeext->cur_wireless_mode & (WIRELESS_11G | WIRELESS_11_24N)) {
1464 			if (updateCap & cShortSlotTime) { /*  Short Slot Time */
1465 				if (pmlmeinfo->slotTime != SHORT_SLOT_TIME)
1466 					pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1467 			} else { /*  Long Slot Time */
1468 				if (pmlmeinfo->slotTime != NON_SHORT_SLOT_TIME)
1469 					pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1470 			}
1471 		} else if (pmlmeext->cur_wireless_mode & (WIRELESS_11A | WIRELESS_11_5N)) {
1472 			pmlmeinfo->slotTime = SHORT_SLOT_TIME;
1473 		} else {
1474 			/* B Mode */
1475 			pmlmeinfo->slotTime = NON_SHORT_SLOT_TIME;
1476 		}
1477 	}
1478 
1479 	rtw_hal_set_hwreg(Adapter, HW_VAR_SLOT_TIME, &pmlmeinfo->slotTime);
1480 }
1481 
update_wireless_mode(struct adapter * padapter)1482 void update_wireless_mode(struct adapter *padapter)
1483 {
1484 	int ratelen, network_type = 0;
1485 	u32 SIFS_Timer;
1486 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
1487 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
1488 	struct wlan_bssid_ex	*cur_network = &(pmlmeinfo->network);
1489 	unsigned char		*rate = cur_network->SupportedRates;
1490 
1491 	ratelen = rtw_get_rateset_len(cur_network->SupportedRates);
1492 
1493 	if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
1494 		pmlmeinfo->HT_enable = 1;
1495 
1496 	if (pmlmeext->cur_channel > 14) {
1497 		if (pmlmeinfo->HT_enable)
1498 			network_type = WIRELESS_11_5N;
1499 
1500 		network_type |= WIRELESS_11A;
1501 	} else {
1502 		if (pmlmeinfo->HT_enable)
1503 			network_type = WIRELESS_11_24N;
1504 
1505 		if ((cckratesonly_included(rate, ratelen)) == true)
1506 			network_type |= WIRELESS_11B;
1507 		else if ((cckrates_included(rate, ratelen)) == true)
1508 			network_type |= WIRELESS_11BG;
1509 		else
1510 			network_type |= WIRELESS_11G;
1511 	}
1512 
1513 	pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;
1514 
1515 	SIFS_Timer = 0x0a0a0808;/* 0x0808 -> for CCK, 0x0a0a -> for OFDM */
1516 				/* change this value if having IOT issues. */
1517 
1518 	padapter->HalFunc.SetHwRegHandler(padapter, HW_VAR_RESP_SIFS,  (u8 *)&SIFS_Timer);
1519 
1520 	if (pmlmeext->cur_wireless_mode & WIRELESS_11B)
1521 		update_mgnt_tx_rate(padapter, IEEE80211_CCK_RATE_1MB);
1522 	 else
1523 		update_mgnt_tx_rate(padapter, IEEE80211_OFDM_RATE_6MB);
1524 }
1525 
update_bmc_sta_support_rate(struct adapter * padapter,u32 mac_id)1526 void update_bmc_sta_support_rate(struct adapter *padapter, u32 mac_id)
1527 {
1528 	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
1529 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
1530 
1531 	if (pmlmeext->cur_wireless_mode & WIRELESS_11B) {
1532 		/*  Only B, B/G, and B/G/N AP could use CCK rate */
1533 		memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_cck, 4);
1534 	} else {
1535 		memcpy((pmlmeinfo->FW_sta_info[mac_id].SupportedRates), rtw_basic_rate_ofdm, 3);
1536 	}
1537 }
1538 
update_sta_support_rate(struct adapter * padapter,u8 * pvar_ie,uint var_ie_len,int cam_idx)1539 int update_sta_support_rate(struct adapter *padapter, u8 *pvar_ie, uint var_ie_len, int cam_idx)
1540 {
1541 	unsigned int	ie_len;
1542 	struct ndis_802_11_var_ie *pIE;
1543 	int	supportRateNum = 0;
1544 	struct mlme_ext_priv	*pmlmeext = &(padapter->mlmeextpriv);
1545 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
1546 
1547 	pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1548 	if (pIE == NULL)
1549 		return _FAIL;
1550 	if (ie_len > NDIS_802_11_LENGTH_RATES_EX)
1551 		return _FAIL;
1552 
1553 	memcpy(pmlmeinfo->FW_sta_info[cam_idx].SupportedRates, pIE->data, ie_len);
1554 	supportRateNum = ie_len;
1555 
1556 	pIE = (struct ndis_802_11_var_ie *)rtw_get_ie(pvar_ie, _EXT_SUPPORTEDRATES_IE_, &ie_len, var_ie_len);
1557 	if (pIE) {
1558 		if (supportRateNum + ie_len > NDIS_802_11_LENGTH_RATES_EX)
1559 			return _FAIL;
1560 		memcpy((pmlmeinfo->FW_sta_info[cam_idx].SupportedRates + supportRateNum), pIE->data, ie_len);
1561 	}
1562 
1563 	return _SUCCESS;
1564 }
1565 
process_addba_req(struct adapter * padapter,u8 * paddba_req,u8 * addr)1566 void process_addba_req(struct adapter *padapter, u8 *paddba_req, u8 *addr)
1567 {
1568 	struct sta_info *psta;
1569 	u16 tid;
1570 	u16 param;
1571 	struct recv_reorder_ctrl *preorder_ctrl;
1572 	struct sta_priv *pstapriv = &padapter->stapriv;
1573 	struct ADDBA_request	*preq = (struct ADDBA_request *)paddba_req;
1574 	struct mlme_ext_priv	*pmlmeext = &padapter->mlmeextpriv;
1575 	struct mlme_ext_info	*pmlmeinfo = &(pmlmeext->mlmext_info);
1576 
1577 	psta = rtw_get_stainfo(pstapriv, addr);
1578 
1579 	if (psta) {
1580 		param = le16_to_cpu(preq->BA_para_set);
1581 		tid = (param>>2)&0x0f;
1582 		preorder_ctrl = &psta->recvreorder_ctrl[tid];
1583 		preorder_ctrl->indicate_seq = 0xffff;
1584 		preorder_ctrl->enable = (pmlmeinfo->bAcceptAddbaReq) ? true : false;
1585 	}
1586 }
1587 
update_TSF(struct mlme_ext_priv * pmlmeext,u8 * pframe,uint len)1588 void update_TSF(struct mlme_ext_priv *pmlmeext, u8 *pframe, uint len)
1589 {
1590 	u8 *pIE;
1591 	__le32 *pbuf;
1592 
1593 	pIE = pframe + sizeof(struct rtw_ieee80211_hdr_3addr);
1594 	pbuf = (__le32 *)pIE;
1595 
1596 	pmlmeext->TSFValue = le32_to_cpu(*(pbuf+1));
1597 
1598 	pmlmeext->TSFValue = pmlmeext->TSFValue << 32;
1599 
1600 	pmlmeext->TSFValue |= le32_to_cpu(*pbuf);
1601 }
1602 
correct_TSF(struct adapter * padapter,struct mlme_ext_priv * pmlmeext)1603 void correct_TSF(struct adapter *padapter, struct mlme_ext_priv *pmlmeext)
1604 {
1605 	rtw_hal_set_hwreg(padapter, HW_VAR_CORRECT_TSF, NULL);
1606 }
1607 
beacon_timing_control(struct adapter * padapter)1608 void beacon_timing_control(struct adapter *padapter)
1609 {
1610 	rtw_hal_bcn_related_reg_setting(padapter);
1611 }
1612