1 // SPDX-License-Identifier: GPL-2.0
2 /******************************************************************************
3  *
4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5  *
6  ******************************************************************************/
7 
8 #include <drv_types.h>
9 #include <rtw_debug.h>
10 #include <linux/of.h>
11 #include <asm/unaligned.h>
12 
13 u8 RTW_WPA_OUI_TYPE[] = { 0x00, 0x50, 0xf2, 1 };
14 u16 RTW_WPA_VERSION = 1;
15 u8 WPA_AUTH_KEY_MGMT_NONE[] = { 0x00, 0x50, 0xf2, 0 };
16 u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[] = { 0x00, 0x50, 0xf2, 1 };
17 u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[] = { 0x00, 0x50, 0xf2, 2 };
18 u8 WPA_CIPHER_SUITE_NONE[] = { 0x00, 0x50, 0xf2, 0 };
19 u8 WPA_CIPHER_SUITE_WEP40[] = { 0x00, 0x50, 0xf2, 1 };
20 u8 WPA_CIPHER_SUITE_TKIP[] = { 0x00, 0x50, 0xf2, 2 };
21 u8 WPA_CIPHER_SUITE_WRAP[] = { 0x00, 0x50, 0xf2, 3 };
22 u8 WPA_CIPHER_SUITE_CCMP[] = { 0x00, 0x50, 0xf2, 4 };
23 u8 WPA_CIPHER_SUITE_WEP104[] = { 0x00, 0x50, 0xf2, 5 };
24 
25 u16 RSN_VERSION_BSD = 1;
26 u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[] = { 0x00, 0x0f, 0xac, 1 };
27 u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[] = { 0x00, 0x0f, 0xac, 2 };
28 u8 RSN_CIPHER_SUITE_NONE[] = { 0x00, 0x0f, 0xac, 0 };
29 u8 RSN_CIPHER_SUITE_WEP40[] = { 0x00, 0x0f, 0xac, 1 };
30 u8 RSN_CIPHER_SUITE_TKIP[] = { 0x00, 0x0f, 0xac, 2 };
31 u8 RSN_CIPHER_SUITE_WRAP[] = { 0x00, 0x0f, 0xac, 3 };
32 u8 RSN_CIPHER_SUITE_CCMP[] = { 0x00, 0x0f, 0xac, 4 };
33 u8 RSN_CIPHER_SUITE_WEP104[] = { 0x00, 0x0f, 0xac, 5 };
34 /*  */
35 /*  for adhoc-master to generate ie and provide supported-rate to fw */
36 /*  */
37 
38 static u8 WIFI_CCKRATES[] = {
39 		(IEEE80211_CCK_RATE_1MB | IEEE80211_BASIC_RATE_MASK),
40 		(IEEE80211_CCK_RATE_2MB | IEEE80211_BASIC_RATE_MASK),
41 		(IEEE80211_CCK_RATE_5MB | IEEE80211_BASIC_RATE_MASK),
42 		(IEEE80211_CCK_RATE_11MB | IEEE80211_BASIC_RATE_MASK)
43 };
44 
45 static u8 WIFI_OFDMRATES[] = {
46 		(IEEE80211_OFDM_RATE_6MB),
47 		(IEEE80211_OFDM_RATE_9MB),
48 		(IEEE80211_OFDM_RATE_12MB),
49 		(IEEE80211_OFDM_RATE_18MB),
50 		(IEEE80211_OFDM_RATE_24MB),
51 		IEEE80211_OFDM_RATE_36MB,
52 		IEEE80211_OFDM_RATE_48MB,
53 		IEEE80211_OFDM_RATE_54MB
54 };
55 
rtw_get_bit_value_from_ieee_value(u8 val)56 int rtw_get_bit_value_from_ieee_value(u8 val)
57 {
58 	unsigned char dot11_rate_table[] = {2, 4, 11, 22, 12, 18, 24, 36, 48, 72, 96, 108, 0}; /*  last element must be zero!! */
59 	int i = 0;
60 
61 	while (dot11_rate_table[i] != 0) {
62 		if (dot11_rate_table[i] == val)
63 			return BIT(i);
64 		i++;
65 	}
66 	return 0;
67 }
68 
rtw_is_cckrates_included(u8 * rate)69 bool rtw_is_cckrates_included(u8 *rate)
70 {
71 	while (*rate) {
72 		u8 r = *rate & 0x7f;
73 
74 		if (r == 2 || r == 4 || r == 11 || r == 22)
75 			return true;
76 		rate++;
77 	}
78 
79 	return false;
80 }
81 
rtw_is_cckratesonly_included(u8 * rate)82 bool rtw_is_cckratesonly_included(u8 *rate)
83 {
84 	while (*rate) {
85 		u8 r = *rate & 0x7f;
86 
87 		if (r != 2 && r != 4 && r != 11 && r != 22)
88 			return false;
89 		rate++;
90 	}
91 
92 	return true;
93 }
94 
rtw_check_network_type(unsigned char * rate,int ratelen,int channel)95 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel)
96 {
97 	if (channel > 14)
98 		return WIRELESS_INVALID;
99 	/* could be pure B, pure G, or B/G */
100 	if (rtw_is_cckratesonly_included(rate))
101 		return WIRELESS_11B;
102 	if (rtw_is_cckrates_included(rate))
103 		return WIRELESS_11BG;
104 	return WIRELESS_11G;
105 }
106 
rtw_set_fixed_ie(unsigned char * pbuf,unsigned int len,unsigned char * source,unsigned int * frlen)107 u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source,
108 				unsigned int *frlen)
109 {
110 	memcpy((void *)pbuf, (void *)source, len);
111 	*frlen = *frlen + len;
112 	return pbuf + len;
113 }
114 
115 /*  rtw_set_ie will update frame length */
rtw_set_ie(u8 * pbuf,signed int index,uint len,u8 * source,uint * frlen)116 u8 *rtw_set_ie(u8 *pbuf,
117 	       signed int index,
118 	       uint len,
119 	       u8 *source,
120 	       uint *frlen) /* frame length */
121 {
122 	*pbuf = (u8)index;
123 
124 	*(pbuf + 1) = (u8)len;
125 
126 	if (len > 0)
127 		memcpy((void *)(pbuf + 2), (void *)source, len);
128 
129 	*frlen = *frlen + (len + 2);
130 
131 	return pbuf + len + 2;
132 }
133 
134 /*----------------------------------------------------------------------------
135 index: the information element id index, limit is the limit for search
136 -----------------------------------------------------------------------------*/
rtw_get_ie(u8 * pbuf,signed int index,signed int * len,signed int limit)137 u8 *rtw_get_ie(u8 *pbuf, signed int index, signed int *len, signed int limit)
138 {
139 	signed int tmp, i;
140 	u8 *p;
141 
142 	if (limit < 1)
143 		return NULL;
144 
145 	p = pbuf;
146 	i = 0;
147 	*len = 0;
148 	while (1) {
149 		if (*p == index) {
150 			*len = *(p + 1);
151 			return p;
152 		}
153 		tmp = *(p + 1);
154 		p += (tmp + 2);
155 		i += (tmp + 2);
156 		if (i >= limit)
157 			break;
158 	}
159 	return NULL;
160 }
161 
162 /**
163  * rtw_get_ie_ex - Search specific IE from a series of IEs
164  * @in_ie: Address of IEs to search
165  * @in_len: Length limit from in_ie
166  * @eid: Element ID to match
167  * @oui: OUI to match
168  * @oui_len: OUI length
169  * @ie: If not NULL and the specific IE is found, the IE will be copied to the buf starting from the specific IE
170  * @ielen: If not NULL and the specific IE is found, will set to the length of the entire IE
171  *
172  * Returns: The address of the specific IE found, or NULL
173  */
rtw_get_ie_ex(u8 * in_ie,uint in_len,u8 eid,u8 * oui,u8 oui_len,u8 * ie,uint * ielen)174 u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen)
175 {
176 	uint cnt;
177 	u8 *target_ie = NULL;
178 
179 	if (ielen)
180 		*ielen = 0;
181 
182 	if (!in_ie || in_len <= 0)
183 		return target_ie;
184 
185 	cnt = 0;
186 
187 	while (cnt < in_len) {
188 		if (eid == in_ie[cnt]
189 			&& (!oui || !memcmp(&in_ie[cnt+2], oui, oui_len))) {
190 			target_ie = &in_ie[cnt];
191 
192 			if (ie)
193 				memcpy(ie, &in_ie[cnt], in_ie[cnt+1]+2);
194 
195 			if (ielen)
196 				*ielen = in_ie[cnt+1]+2;
197 
198 			break;
199 		}
200 		cnt += in_ie[cnt+1]+2; /* goto next */
201 	}
202 
203 	return target_ie;
204 }
205 
206 /**
207  * rtw_ies_remove_ie - Find matching IEs and remove
208  * @ies: Address of IEs to search
209  * @ies_len: Pointer of length of ies, will update to new length
210  * @offset: The offset to start search
211  * @eid: Element ID to match
212  * @oui: OUI to match
213  * @oui_len: OUI length
214  *
215  * Returns: _SUCCESS: ies is updated, _FAIL: not updated
216  */
rtw_ies_remove_ie(u8 * ies,uint * ies_len,uint offset,u8 eid,u8 * oui,u8 oui_len)217 int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len)
218 {
219 	int ret = _FAIL;
220 	u8 *target_ie;
221 	u32 target_ielen;
222 	u8 *start;
223 	uint search_len;
224 
225 	if (!ies || !ies_len || *ies_len <= offset)
226 		goto exit;
227 
228 	start = ies + offset;
229 	search_len = *ies_len - offset;
230 
231 	while (1) {
232 		target_ie = rtw_get_ie_ex(start, search_len, eid, oui, oui_len, NULL, &target_ielen);
233 		if (target_ie && target_ielen) {
234 			u8 *remain_ies = target_ie + target_ielen;
235 			uint remain_len = search_len - (remain_ies - start);
236 
237 			memcpy(target_ie, remain_ies, remain_len);
238 			*ies_len = *ies_len - target_ielen;
239 			ret = _SUCCESS;
240 
241 			start = target_ie;
242 			search_len = remain_len;
243 		} else {
244 			break;
245 		}
246 	}
247 exit:
248 	return ret;
249 }
250 
rtw_set_supported_rate(u8 * supported_rates,uint mode)251 void rtw_set_supported_rate(u8 *supported_rates, uint mode)
252 {
253 	memset(supported_rates, 0, NDIS_802_11_LENGTH_RATES_EX);
254 
255 	switch (mode) {
256 	case WIRELESS_11B:
257 		memcpy(supported_rates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
258 		break;
259 
260 	case WIRELESS_11G:
261 		memcpy(supported_rates, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
262 		break;
263 
264 	case WIRELESS_11BG:
265 	case WIRELESS_11G_24N:
266 	case WIRELESS_11_24N:
267 	case WIRELESS_11BG_24N:
268 		memcpy(supported_rates, WIFI_CCKRATES, IEEE80211_CCK_RATE_LEN);
269 		memcpy(supported_rates + IEEE80211_CCK_RATE_LEN, WIFI_OFDMRATES, IEEE80211_NUM_OFDM_RATESLEN);
270 		break;
271 	}
272 }
273 
rtw_get_rateset_len(u8 * rateset)274 uint rtw_get_rateset_len(u8 *rateset)
275 {
276 	uint i;
277 
278 	for (i = 0; i < 13; i++)
279 		if (rateset[i] == 0)
280 			break;
281 	return i;
282 }
283 
rtw_generate_ie(struct registry_priv * pregistrypriv)284 int rtw_generate_ie(struct registry_priv *pregistrypriv)
285 {
286 	u8 wireless_mode;
287 	int	sz = 0, rateLen;
288 	struct wlan_bssid_ex *pdev_network = &pregistrypriv->dev_network;
289 	u8 *ie = pdev_network->ies;
290 
291 	/* timestamp will be inserted by hardware */
292 	sz += 8;
293 	ie += sz;
294 
295 	/* beacon interval : 2bytes */
296 	*(__le16 *)ie = cpu_to_le16((u16)pdev_network->configuration.beacon_period);/* BCN_INTERVAL; */
297 	sz += 2;
298 	ie += 2;
299 
300 	/* capability info */
301 	*(u16 *)ie = 0;
302 
303 	*(__le16 *)ie |= cpu_to_le16(WLAN_CAPABILITY_IBSS);
304 
305 	if (pregistrypriv->preamble == PREAMBLE_SHORT)
306 		*(__le16 *)ie |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE);
307 
308 	if (pdev_network->privacy)
309 		*(__le16 *)ie |= cpu_to_le16(WLAN_CAPABILITY_PRIVACY);
310 
311 	sz += 2;
312 	ie += 2;
313 
314 	/* SSID */
315 	ie = rtw_set_ie(ie, WLAN_EID_SSID, pdev_network->ssid.ssid_length, pdev_network->ssid.ssid, &sz);
316 
317 	/* supported rates */
318 	wireless_mode = pregistrypriv->wireless_mode;
319 
320 	rtw_set_supported_rate(pdev_network->supported_rates, wireless_mode);
321 
322 	rateLen = rtw_get_rateset_len(pdev_network->supported_rates);
323 
324 	if (rateLen > 8) {
325 		ie = rtw_set_ie(ie, WLAN_EID_SUPP_RATES, 8, pdev_network->supported_rates, &sz);
326 		/* ie = rtw_set_ie(ie, WLAN_EID_EXT_SUPP_RATES, (rateLen - 8), (pdev_network->supported_rates + 8), &sz); */
327 	} else {
328 		ie = rtw_set_ie(ie, WLAN_EID_SUPP_RATES, rateLen, pdev_network->supported_rates, &sz);
329 	}
330 
331 	/* DS parameter set */
332 	ie = rtw_set_ie(ie, WLAN_EID_DS_PARAMS, 1, (u8 *)&(pdev_network->configuration.ds_config), &sz);
333 
334 	/* IBSS Parameter Set */
335 
336 	ie = rtw_set_ie(ie, WLAN_EID_IBSS_PARAMS, 2, (u8 *)&(pdev_network->configuration.atim_window), &sz);
337 
338 	if (rateLen > 8)
339 		ie = rtw_set_ie(ie, WLAN_EID_EXT_SUPP_RATES, (rateLen - 8), (pdev_network->supported_rates + 8), &sz);
340 
341 	/* HT Cap. */
342 	if ((pregistrypriv->wireless_mode & WIRELESS_11_24N) &&
343 	    (pregistrypriv->ht_enable == true)) {
344 		/* todo: */
345 	}
346 
347 	/* pdev_network->ie_length =  sz; update ie_length */
348 
349 	/* return _SUCCESS; */
350 
351 	return sz;
352 }
353 
rtw_get_wpa_ie(unsigned char * pie,int * wpa_ie_len,int limit)354 unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit)
355 {
356 	int len;
357 	u16 val16;
358 	unsigned char wpa_oui_type[] = {0x00, 0x50, 0xf2, 0x01};
359 	u8 *pbuf = pie;
360 	int limit_new = limit;
361 	__le16 le_tmp;
362 
363 	while (1) {
364 		pbuf = rtw_get_ie(pbuf, WLAN_EID_VENDOR_SPECIFIC, &len, limit_new);
365 
366 		if (pbuf) {
367 			/* check if oui matches... */
368 			if (memcmp((pbuf + 2), wpa_oui_type, sizeof(wpa_oui_type)))
369 				goto check_next_ie;
370 
371 			/* check version... */
372 			memcpy((u8 *)&le_tmp, (pbuf + 6), sizeof(val16));
373 
374 			val16 = le16_to_cpu(le_tmp);
375 			if (val16 != 0x0001)
376 				goto check_next_ie;
377 
378 			*wpa_ie_len = *(pbuf + 1);
379 
380 			return pbuf;
381 
382 		} else {
383 			*wpa_ie_len = 0;
384 			return NULL;
385 		}
386 
387 check_next_ie:
388 
389 		limit_new = limit - (pbuf - pie) - 2 - len;
390 
391 		if (limit_new <= 0)
392 			break;
393 
394 		pbuf += (2 + len);
395 	}
396 
397 	*wpa_ie_len = 0;
398 
399 	return NULL;
400 }
401 
rtw_get_wpa2_ie(unsigned char * pie,int * rsn_ie_len,int limit)402 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit)
403 {
404 	return rtw_get_ie(pie, WLAN_EID_RSN, rsn_ie_len, limit);
405 }
406 
rtw_get_wpa_cipher_suite(u8 * s)407 int rtw_get_wpa_cipher_suite(u8 *s)
408 {
409 	if (!memcmp(s, WPA_CIPHER_SUITE_NONE, WPA_SELECTOR_LEN))
410 		return WPA_CIPHER_NONE;
411 	if (!memcmp(s, WPA_CIPHER_SUITE_WEP40, WPA_SELECTOR_LEN))
412 		return WPA_CIPHER_WEP40;
413 	if (!memcmp(s, WPA_CIPHER_SUITE_TKIP, WPA_SELECTOR_LEN))
414 		return WPA_CIPHER_TKIP;
415 	if (!memcmp(s, WPA_CIPHER_SUITE_CCMP, WPA_SELECTOR_LEN))
416 		return WPA_CIPHER_CCMP;
417 	if (!memcmp(s, WPA_CIPHER_SUITE_WEP104, WPA_SELECTOR_LEN))
418 		return WPA_CIPHER_WEP104;
419 
420 	return 0;
421 }
422 
rtw_get_wpa2_cipher_suite(u8 * s)423 int rtw_get_wpa2_cipher_suite(u8 *s)
424 {
425 	if (!memcmp(s, RSN_CIPHER_SUITE_NONE, RSN_SELECTOR_LEN))
426 		return WPA_CIPHER_NONE;
427 	if (!memcmp(s, RSN_CIPHER_SUITE_WEP40, RSN_SELECTOR_LEN))
428 		return WPA_CIPHER_WEP40;
429 	if (!memcmp(s, RSN_CIPHER_SUITE_TKIP, RSN_SELECTOR_LEN))
430 		return WPA_CIPHER_TKIP;
431 	if (!memcmp(s, RSN_CIPHER_SUITE_CCMP, RSN_SELECTOR_LEN))
432 		return WPA_CIPHER_CCMP;
433 	if (!memcmp(s, RSN_CIPHER_SUITE_WEP104, RSN_SELECTOR_LEN))
434 		return WPA_CIPHER_WEP104;
435 
436 	return 0;
437 }
438 
rtw_parse_wpa_ie(u8 * wpa_ie,int wpa_ie_len,int * group_cipher,int * pairwise_cipher,int * is_8021x)439 int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x)
440 {
441 	int i, ret = _SUCCESS;
442 	int left, count;
443 	u8 *pos;
444 	u8 SUITE_1X[4] = {0x00, 0x50, 0xf2, 1};
445 
446 	if (wpa_ie_len <= 0) {
447 		/* No WPA IE - fail silently */
448 		return _FAIL;
449 	}
450 
451 	if ((*wpa_ie != WLAN_EID_VENDOR_SPECIFIC) || (*(wpa_ie+1) != (u8)(wpa_ie_len - 2)) ||
452 	   (memcmp(wpa_ie+2, RTW_WPA_OUI_TYPE, WPA_SELECTOR_LEN))) {
453 		return _FAIL;
454 	}
455 
456 	pos = wpa_ie;
457 
458 	pos += 8;
459 	left = wpa_ie_len - 8;
460 
461 	/* group_cipher */
462 	if (left >= WPA_SELECTOR_LEN) {
463 		*group_cipher = rtw_get_wpa_cipher_suite(pos);
464 
465 		pos += WPA_SELECTOR_LEN;
466 		left -= WPA_SELECTOR_LEN;
467 
468 	} else if (left > 0)
469 		return _FAIL;
470 
471 	/* pairwise_cipher */
472 	if (left >= 2) {
473 		/* count = le16_to_cpu(*(u16*)pos); */
474 		count = get_unaligned_le16(pos);
475 		pos += 2;
476 		left -= 2;
477 
478 		if (count == 0 || left < count * WPA_SELECTOR_LEN)
479 			return _FAIL;
480 
481 		for (i = 0; i < count; i++) {
482 			*pairwise_cipher |= rtw_get_wpa_cipher_suite(pos);
483 
484 			pos += WPA_SELECTOR_LEN;
485 			left -= WPA_SELECTOR_LEN;
486 		}
487 
488 	} else if (left == 1)
489 		return _FAIL;
490 
491 	if (is_8021x) {
492 		if (left >= 6) {
493 			pos += 2;
494 			if (!memcmp(pos, SUITE_1X, 4))
495 				*is_8021x = 1;
496 		}
497 	}
498 
499 	return ret;
500 }
501 
rtw_parse_wpa2_ie(u8 * rsn_ie,int rsn_ie_len,int * group_cipher,int * pairwise_cipher,int * is_8021x)502 int rtw_parse_wpa2_ie(u8 *rsn_ie, int rsn_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x)
503 {
504 	int i, ret = _SUCCESS;
505 	int left, count;
506 	u8 *pos;
507 	u8 SUITE_1X[4] = {0x00, 0x0f, 0xac, 0x01};
508 
509 	if (rsn_ie_len <= 0) {
510 		/* No RSN IE - fail silently */
511 		return _FAIL;
512 	}
513 
514 	if ((*rsn_ie != WLAN_EID_RSN) || (*(rsn_ie+1) != (u8)(rsn_ie_len - 2)))
515 		return _FAIL;
516 
517 	pos = rsn_ie;
518 	pos += 4;
519 	left = rsn_ie_len - 4;
520 
521 	/* group_cipher */
522 	if (left >= RSN_SELECTOR_LEN) {
523 		*group_cipher = rtw_get_wpa2_cipher_suite(pos);
524 
525 		pos += RSN_SELECTOR_LEN;
526 		left -= RSN_SELECTOR_LEN;
527 
528 	} else if (left > 0)
529 		return _FAIL;
530 
531 	/* pairwise_cipher */
532 	if (left >= 2) {
533 	  /* count = le16_to_cpu(*(u16*)pos); */
534 		count = get_unaligned_le16(pos);
535 		pos += 2;
536 		left -= 2;
537 
538 		if (count == 0 || left < count * RSN_SELECTOR_LEN)
539 			return _FAIL;
540 
541 		for (i = 0; i < count; i++) {
542 			*pairwise_cipher |= rtw_get_wpa2_cipher_suite(pos);
543 
544 			pos += RSN_SELECTOR_LEN;
545 			left -= RSN_SELECTOR_LEN;
546 		}
547 
548 	} else if (left == 1)
549 		return _FAIL;
550 
551 	if (is_8021x) {
552 		if (left >= 6) {
553 			pos += 2;
554 			if (!memcmp(pos, SUITE_1X, 4))
555 				*is_8021x = 1;
556 		}
557 	}
558 
559 	return ret;
560 }
561 
562 /* ifdef CONFIG_WAPI_SUPPORT */
rtw_get_wapi_ie(u8 * in_ie,uint in_len,u8 * wapi_ie,u16 * wapi_len)563 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len)
564 {
565 	int len = 0;
566 	u8 authmode;
567 	uint	cnt;
568 	u8 wapi_oui1[4] = {0x0, 0x14, 0x72, 0x01};
569 	u8 wapi_oui2[4] = {0x0, 0x14, 0x72, 0x02};
570 
571 	if (wapi_len)
572 		*wapi_len = 0;
573 
574 	if (!in_ie || in_len <= 0)
575 		return len;
576 
577 	cnt = (_TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_);
578 
579 	while (cnt < in_len) {
580 		authmode = in_ie[cnt];
581 
582 		/* if (authmode == WLAN_EID_BSS_AC_ACCESS_DELAY) */
583 		if (authmode == WLAN_EID_BSS_AC_ACCESS_DELAY && (!memcmp(&in_ie[cnt+6], wapi_oui1, 4) ||
584 					!memcmp(&in_ie[cnt+6], wapi_oui2, 4))) {
585 			if (wapi_ie)
586 				memcpy(wapi_ie, &in_ie[cnt], in_ie[cnt+1]+2);
587 
588 			if (wapi_len)
589 				*wapi_len = in_ie[cnt+1]+2;
590 
591 			cnt += in_ie[cnt+1]+2;  /* get next */
592 		} else {
593 			cnt += in_ie[cnt+1]+2;   /* get next */
594 		}
595 	}
596 
597 	if (wapi_len)
598 		len = *wapi_len;
599 
600 	return len;
601 }
602 /* endif */
603 
rtw_get_sec_ie(u8 * in_ie,uint in_len,u8 * rsn_ie,u16 * rsn_len,u8 * wpa_ie,u16 * wpa_len)604 void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len)
605 {
606 	u8 authmode;
607 	u8 wpa_oui[4] = {0x0, 0x50, 0xf2, 0x01};
608 	uint	cnt;
609 
610 	/* Search required WPA or WPA2 IE and copy to sec_ie[ ] */
611 
612 	cnt = (_TIMESTAMP_ + _BEACON_ITERVAL_ + _CAPABILITY_);
613 
614 	while (cnt < in_len) {
615 		authmode = in_ie[cnt];
616 
617 		if ((authmode == WLAN_EID_VENDOR_SPECIFIC) && (!memcmp(&in_ie[cnt+2], &wpa_oui[0], 4))) {
618 			if (wpa_ie)
619 				memcpy(wpa_ie, &in_ie[cnt], in_ie[cnt+1]+2);
620 
621 			*wpa_len = in_ie[cnt + 1] + 2;
622 			cnt += in_ie[cnt + 1] + 2;  /* get next */
623 		} else {
624 			if (authmode == WLAN_EID_RSN) {
625 				if (rsn_ie)
626 					memcpy(rsn_ie, &in_ie[cnt], in_ie[cnt + 1] + 2);
627 
628 				*rsn_len = in_ie[cnt+1]+2;
629 				cnt += in_ie[cnt+1]+2;  /* get next */
630 			} else {
631 				cnt += in_ie[cnt+1]+2;   /* get next */
632 			}
633 		}
634 	}
635 }
636 
637 /**
638  * rtw_get_wps_ie - Search WPS IE from a series of IEs
639  * @in_ie: Address of IEs to search
640  * @in_len: Length limit from in_ie
641  * @wps_ie: If not NULL and WPS IE is found, WPS IE will be copied to the buf starting from wps_ie
642  * @wps_ielen: If not NULL and WPS IE is found, will set to the length of the entire WPS IE
643  *
644  * Returns: The address of the WPS IE found, or NULL
645  */
rtw_get_wps_ie(u8 * in_ie,uint in_len,u8 * wps_ie,uint * wps_ielen)646 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen)
647 {
648 	uint cnt;
649 	u8 *wpsie_ptr = NULL;
650 	u8 eid, wps_oui[4] = {0x0, 0x50, 0xf2, 0x04};
651 
652 	if (wps_ielen)
653 		*wps_ielen = 0;
654 
655 	if (!in_ie || in_len <= 0)
656 		return wpsie_ptr;
657 
658 	cnt = 0;
659 
660 	while (cnt < in_len) {
661 		eid = in_ie[cnt];
662 
663 		if ((eid == WLAN_EID_VENDOR_SPECIFIC) && (!memcmp(&in_ie[cnt+2], wps_oui, 4))) {
664 			wpsie_ptr = &in_ie[cnt];
665 
666 			if (wps_ie)
667 				memcpy(wps_ie, &in_ie[cnt], in_ie[cnt+1]+2);
668 
669 			if (wps_ielen)
670 				*wps_ielen = in_ie[cnt+1]+2;
671 
672 			cnt += in_ie[cnt+1]+2;
673 
674 			break;
675 		}
676 		cnt += in_ie[cnt+1]+2; /* goto next */
677 	}
678 
679 	return wpsie_ptr;
680 }
681 
682 /**
683  * rtw_get_wps_attr - Search a specific WPS attribute from a given WPS IE
684  * @wps_ie: Address of WPS IE to search
685  * @wps_ielen: Length limit from wps_ie
686  * @target_attr_id: The attribute ID of WPS attribute to search
687  * @buf_attr: If not NULL and the WPS attribute is found, WPS attribute will be copied to the buf starting from buf_attr
688  * @len_attr: If not NULL and the WPS attribute is found, will set to the length of the entire WPS attribute
689  *
690  * Returns: the address of the specific WPS attribute found, or NULL
691  */
rtw_get_wps_attr(u8 * wps_ie,uint wps_ielen,u16 target_attr_id,u8 * buf_attr,u32 * len_attr)692 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_attr, u32 *len_attr)
693 {
694 	u8 *attr_ptr = NULL;
695 	u8 *target_attr_ptr = NULL;
696 	u8 wps_oui[4] = {0x00, 0x50, 0xF2, 0x04};
697 
698 	if (len_attr)
699 		*len_attr = 0;
700 
701 	if ((wps_ie[0] != WLAN_EID_VENDOR_SPECIFIC) ||
702 		(memcmp(wps_ie + 2, wps_oui, 4))) {
703 		return attr_ptr;
704 	}
705 
706 	/*  6 = 1(Element ID) + 1(Length) + 4(WPS OUI) */
707 	attr_ptr = wps_ie + 6; /* goto first attr */
708 
709 	while (attr_ptr - wps_ie < wps_ielen) {
710 		/*  4 = 2(Attribute ID) + 2(Length) */
711 		u16 attr_id = get_unaligned_be16(attr_ptr);
712 		u16 attr_data_len = get_unaligned_be16(attr_ptr + 2);
713 		u16 attr_len = attr_data_len + 4;
714 
715 		if (attr_id == target_attr_id) {
716 			target_attr_ptr = attr_ptr;
717 
718 			if (buf_attr)
719 				memcpy(buf_attr, attr_ptr, attr_len);
720 
721 			if (len_attr)
722 				*len_attr = attr_len;
723 
724 			break;
725 		}
726 		attr_ptr += attr_len; /* goto next */
727 	}
728 
729 	return target_attr_ptr;
730 }
731 
732 /**
733  * rtw_get_wps_attr_content - Search a specific WPS attribute content from a given WPS IE
734  * @wps_ie: Address of WPS IE to search
735  * @wps_ielen: Length limit from wps_ie
736  * @target_attr_id: The attribute ID of WPS attribute to search
737  * @buf_content: If not NULL and the WPS attribute is found, WPS attribute content will be copied to the buf starting from buf_content
738  * @len_content: If not NULL and the WPS attribute is found, will set to the length of the WPS attribute content
739  *
740  * Returns: the address of the specific WPS attribute content found, or NULL
741  */
rtw_get_wps_attr_content(u8 * wps_ie,uint wps_ielen,u16 target_attr_id,u8 * buf_content,uint * len_content)742 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_content, uint *len_content)
743 {
744 	u8 *attr_ptr;
745 	u32 attr_len;
746 
747 	if (len_content)
748 		*len_content = 0;
749 
750 	attr_ptr = rtw_get_wps_attr(wps_ie, wps_ielen, target_attr_id, NULL, &attr_len);
751 
752 	if (attr_ptr && attr_len) {
753 		if (buf_content)
754 			memcpy(buf_content, attr_ptr+4, attr_len-4);
755 
756 		if (len_content)
757 			*len_content = attr_len-4;
758 
759 		return attr_ptr+4;
760 	}
761 
762 	return NULL;
763 }
764 
rtw_ieee802_11_parse_vendor_specific(u8 * pos,uint elen,struct rtw_ieee802_11_elems * elems,int show_errors)765 static int rtw_ieee802_11_parse_vendor_specific(u8 *pos, uint elen,
766 					    struct rtw_ieee802_11_elems *elems,
767 					    int show_errors)
768 {
769 	unsigned int oui;
770 
771 	/* first 3 bytes in vendor specific information element are the IEEE
772 	 * OUI of the vendor. The following byte is used a vendor specific
773 	 * sub-type. */
774 	if (elen < 4)
775 		return -1;
776 
777 	oui = get_unaligned_be24(pos);
778 	switch (oui) {
779 	case OUI_MICROSOFT:
780 		/* Microsoft/Wi-Fi information elements are further typed and
781 		 * subtyped */
782 		switch (pos[3]) {
783 		case 1:
784 			/* Microsoft OUI (00:50:F2) with OUI Type 1:
785 			 * real WPA information element */
786 			elems->wpa_ie = pos;
787 			elems->wpa_ie_len = elen;
788 			break;
789 		case WME_OUI_TYPE: /* this is a Wi-Fi WME info. element */
790 			if (elen < 5)
791 				return -1;
792 
793 			switch (pos[4]) {
794 			case WME_OUI_SUBTYPE_INFORMATION_ELEMENT:
795 			case WME_OUI_SUBTYPE_PARAMETER_ELEMENT:
796 				elems->wme = pos;
797 				elems->wme_len = elen;
798 				break;
799 			case WME_OUI_SUBTYPE_TSPEC_ELEMENT:
800 				elems->wme_tspec = pos;
801 				elems->wme_tspec_len = elen;
802 				break;
803 			default:
804 				return -1;
805 			}
806 			break;
807 		case 4:
808 			/* Wi-Fi Protected Setup (WPS) IE */
809 			elems->wps_ie = pos;
810 			elems->wps_ie_len = elen;
811 			break;
812 		default:
813 			return -1;
814 		}
815 		break;
816 
817 	case OUI_BROADCOM:
818 		switch (pos[3]) {
819 		case VENDOR_HT_CAPAB_OUI_TYPE:
820 			elems->vendor_ht_cap = pos;
821 			elems->vendor_ht_cap_len = elen;
822 			break;
823 		default:
824 			return -1;
825 		}
826 		break;
827 
828 	default:
829 		return -1;
830 	}
831 
832 	return 0;
833 }
834 
835 /**
836  * rtw_ieee802_11_parse_elems - Parse information elements in management frames
837  * @start: Pointer to the start of IEs
838  * @len: Length of IE buffer in octets
839  * @elems: Data structure for parsed elements
840  * @show_errors: Whether to show parsing errors in debug log
841  * Returns: Parsing result
842  */
rtw_ieee802_11_parse_elems(u8 * start,uint len,struct rtw_ieee802_11_elems * elems,int show_errors)843 enum ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
844 				struct rtw_ieee802_11_elems *elems,
845 				int show_errors)
846 {
847 	uint left = len;
848 	u8 *pos = start;
849 	int unknown = 0;
850 
851 	memset(elems, 0, sizeof(*elems));
852 
853 	while (left >= 2) {
854 		u8 id, elen;
855 
856 		id = *pos++;
857 		elen = *pos++;
858 		left -= 2;
859 
860 		if (elen > left)
861 			return ParseFailed;
862 
863 		switch (id) {
864 		case WLAN_EID_SSID:
865 			elems->ssid = pos;
866 			elems->ssid_len = elen;
867 			break;
868 		case WLAN_EID_SUPP_RATES:
869 			elems->supp_rates = pos;
870 			elems->supp_rates_len = elen;
871 			break;
872 		case WLAN_EID_FH_PARAMS:
873 			elems->fh_params = pos;
874 			elems->fh_params_len = elen;
875 			break;
876 		case WLAN_EID_DS_PARAMS:
877 			elems->ds_params = pos;
878 			elems->ds_params_len = elen;
879 			break;
880 		case WLAN_EID_CF_PARAMS:
881 			elems->cf_params = pos;
882 			elems->cf_params_len = elen;
883 			break;
884 		case WLAN_EID_TIM:
885 			elems->tim = pos;
886 			elems->tim_len = elen;
887 			break;
888 		case WLAN_EID_IBSS_PARAMS:
889 			elems->ibss_params = pos;
890 			elems->ibss_params_len = elen;
891 			break;
892 		case WLAN_EID_CHALLENGE:
893 			elems->challenge = pos;
894 			elems->challenge_len = elen;
895 			break;
896 		case WLAN_EID_ERP_INFO:
897 			elems->erp_info = pos;
898 			elems->erp_info_len = elen;
899 			break;
900 		case WLAN_EID_EXT_SUPP_RATES:
901 			elems->ext_supp_rates = pos;
902 			elems->ext_supp_rates_len = elen;
903 			break;
904 		case WLAN_EID_VENDOR_SPECIFIC:
905 			if (rtw_ieee802_11_parse_vendor_specific(pos, elen,
906 							     elems,
907 							     show_errors))
908 				unknown++;
909 			break;
910 		case WLAN_EID_RSN:
911 			elems->rsn_ie = pos;
912 			elems->rsn_ie_len = elen;
913 			break;
914 		case WLAN_EID_PWR_CAPABILITY:
915 			elems->power_cap = pos;
916 			elems->power_cap_len = elen;
917 			break;
918 		case WLAN_EID_SUPPORTED_CHANNELS:
919 			elems->supp_channels = pos;
920 			elems->supp_channels_len = elen;
921 			break;
922 		case WLAN_EID_MOBILITY_DOMAIN:
923 			elems->mdie = pos;
924 			elems->mdie_len = elen;
925 			break;
926 		case WLAN_EID_FAST_BSS_TRANSITION:
927 			elems->ftie = pos;
928 			elems->ftie_len = elen;
929 			break;
930 		case WLAN_EID_TIMEOUT_INTERVAL:
931 			elems->timeout_int = pos;
932 			elems->timeout_int_len = elen;
933 			break;
934 		case WLAN_EID_HT_CAPABILITY:
935 			elems->ht_capabilities = pos;
936 			elems->ht_capabilities_len = elen;
937 			break;
938 		case WLAN_EID_HT_OPERATION:
939 			elems->ht_operation = pos;
940 			elems->ht_operation_len = elen;
941 			break;
942 		case WLAN_EID_VHT_CAPABILITY:
943 			elems->vht_capabilities = pos;
944 			elems->vht_capabilities_len = elen;
945 			break;
946 		case WLAN_EID_VHT_OPERATION:
947 			elems->vht_operation = pos;
948 			elems->vht_operation_len = elen;
949 			break;
950 		case WLAN_EID_OPMODE_NOTIF:
951 			elems->vht_op_mode_notify = pos;
952 			elems->vht_op_mode_notify_len = elen;
953 			break;
954 		default:
955 			unknown++;
956 			break;
957 		}
958 
959 		left -= elen;
960 		pos += elen;
961 	}
962 
963 	if (left)
964 		return ParseFailed;
965 
966 	return unknown ? ParseUnknown : ParseOK;
967 }
968 
rtw_macaddr_cfg(struct device * dev,u8 * mac_addr)969 void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr)
970 {
971 	u8 mac[ETH_ALEN];
972 	struct device_node *np = dev->of_node;
973 	const unsigned char *addr;
974 	int len;
975 
976 	if (!mac_addr)
977 		return;
978 
979 	if (rtw_initmac && mac_pton(rtw_initmac, mac)) {
980 		/* Users specify the mac address */
981 		ether_addr_copy(mac_addr, mac);
982 	} else {
983 		/* Use the mac address stored in the Efuse */
984 		ether_addr_copy(mac, mac_addr);
985 	}
986 
987 	if (is_broadcast_ether_addr(mac) || is_zero_ether_addr(mac)) {
988 		addr = of_get_property(np, "local-mac-address", &len);
989 
990 		if (addr && len == ETH_ALEN) {
991 			ether_addr_copy(mac_addr, addr);
992 		} else {
993 			eth_random_addr(mac_addr);
994 		}
995 	}
996 }
997 
rtw_get_cipher_info(struct wlan_network * pnetwork)998 static int rtw_get_cipher_info(struct wlan_network *pnetwork)
999 {
1000 	u32 wpa_ielen;
1001 	unsigned char *pbuf;
1002 	int group_cipher = 0, pairwise_cipher = 0, is8021x = 0;
1003 	int ret = _FAIL;
1004 
1005 	pbuf = rtw_get_wpa_ie(&pnetwork->network.ies[12], &wpa_ielen, pnetwork->network.ie_length-12);
1006 
1007 	if (pbuf && (wpa_ielen > 0)) {
1008 		if (_SUCCESS == rtw_parse_wpa_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is8021x)) {
1009 			pnetwork->bcn_info.pairwise_cipher = pairwise_cipher;
1010 			pnetwork->bcn_info.group_cipher = group_cipher;
1011 			pnetwork->bcn_info.is_8021x = is8021x;
1012 			ret = _SUCCESS;
1013 		}
1014 	} else {
1015 		pbuf = rtw_get_wpa2_ie(&pnetwork->network.ies[12], &wpa_ielen, pnetwork->network.ie_length-12);
1016 
1017 		if (pbuf && (wpa_ielen > 0)) {
1018 			if (_SUCCESS == rtw_parse_wpa2_ie(pbuf, wpa_ielen+2, &group_cipher, &pairwise_cipher, &is8021x)) {
1019 				pnetwork->bcn_info.pairwise_cipher = pairwise_cipher;
1020 				pnetwork->bcn_info.group_cipher = group_cipher;
1021 				pnetwork->bcn_info.is_8021x = is8021x;
1022 				ret = _SUCCESS;
1023 			}
1024 		}
1025 	}
1026 
1027 	return ret;
1028 }
1029 
rtw_get_bcn_info(struct wlan_network * pnetwork)1030 void rtw_get_bcn_info(struct wlan_network *pnetwork)
1031 {
1032 	unsigned short cap = 0;
1033 	u8 bencrypt = 0;
1034 	/* u8 wpa_ie[255], rsn_ie[255]; */
1035 	u16 wpa_len = 0, rsn_len = 0;
1036 	struct HT_info_element *pht_info = NULL;
1037 	struct ieee80211_ht_cap *pht_cap = NULL;
1038 	unsigned int		len;
1039 	unsigned char 	*p;
1040 	__le16 le_cap;
1041 
1042 	memcpy((u8 *)&le_cap, rtw_get_capability_from_ie(pnetwork->network.ies), 2);
1043 	cap = le16_to_cpu(le_cap);
1044 	if (cap & WLAN_CAPABILITY_PRIVACY) {
1045 		bencrypt = 1;
1046 		pnetwork->network.privacy = 1;
1047 	} else {
1048 		pnetwork->bcn_info.encryp_protocol = ENCRYP_PROTOCOL_OPENSYS;
1049 	}
1050 	rtw_get_sec_ie(pnetwork->network.ies, pnetwork->network.ie_length, NULL, &rsn_len, NULL, &wpa_len);
1051 
1052 	if (rsn_len > 0) {
1053 		pnetwork->bcn_info.encryp_protocol = ENCRYP_PROTOCOL_WPA2;
1054 	} else if (wpa_len > 0) {
1055 		pnetwork->bcn_info.encryp_protocol = ENCRYP_PROTOCOL_WPA;
1056 	} else {
1057 		if (bencrypt)
1058 			pnetwork->bcn_info.encryp_protocol = ENCRYP_PROTOCOL_WEP;
1059 	}
1060 	rtw_get_cipher_info(pnetwork);
1061 
1062 	/* get bwmode and ch_offset */
1063 	/* parsing HT_CAP_IE */
1064 	p = rtw_get_ie(pnetwork->network.ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_CAPABILITY, &len, pnetwork->network.ie_length - _FIXED_IE_LENGTH_);
1065 	if (p && len > 0) {
1066 			pht_cap = (struct ieee80211_ht_cap *)(p + 2);
1067 			pnetwork->bcn_info.ht_cap_info = le16_to_cpu(pht_cap->cap_info);
1068 	} else {
1069 			pnetwork->bcn_info.ht_cap_info = 0;
1070 	}
1071 	/* parsing HT_INFO_IE */
1072 	p = rtw_get_ie(pnetwork->network.ies + _FIXED_IE_LENGTH_, WLAN_EID_HT_OPERATION, &len, pnetwork->network.ie_length - _FIXED_IE_LENGTH_);
1073 	if (p && len > 0) {
1074 			pht_info = (struct HT_info_element *)(p + 2);
1075 			pnetwork->bcn_info.ht_info_infos_0 = pht_info->infos[0];
1076 	} else {
1077 			pnetwork->bcn_info.ht_info_infos_0 = 0;
1078 	}
1079 }
1080 
1081 /* show MCS rate, unit: 100Kbps */
rtw_mcs_rate(u8 bw_40MHz,u8 short_GI,unsigned char * MCS_rate)1082 u16 rtw_mcs_rate(u8 bw_40MHz, u8 short_GI, unsigned char *MCS_rate)
1083 {
1084 	u16 max_rate = 0;
1085 
1086 	if (MCS_rate[0] & BIT(7))
1087 		max_rate = (bw_40MHz) ? ((short_GI)?1500:1350):((short_GI)?722:650);
1088 	else if (MCS_rate[0] & BIT(6))
1089 		max_rate = (bw_40MHz) ? ((short_GI)?1350:1215):((short_GI)?650:585);
1090 	else if (MCS_rate[0] & BIT(5))
1091 		max_rate = (bw_40MHz) ? ((short_GI)?1200:1080):((short_GI)?578:520);
1092 	else if (MCS_rate[0] & BIT(4))
1093 		max_rate = (bw_40MHz) ? ((short_GI)?900:810):((short_GI)?433:390);
1094 	else if (MCS_rate[0] & BIT(3))
1095 		max_rate = (bw_40MHz) ? ((short_GI)?600:540):((short_GI)?289:260);
1096 	else if (MCS_rate[0] & BIT(2))
1097 		max_rate = (bw_40MHz) ? ((short_GI)?450:405):((short_GI)?217:195);
1098 	else if (MCS_rate[0] & BIT(1))
1099 		max_rate = (bw_40MHz) ? ((short_GI)?300:270):((short_GI)?144:130);
1100 	else if (MCS_rate[0] & BIT(0))
1101 		max_rate = (bw_40MHz) ? ((short_GI)?150:135):((short_GI)?72:65);
1102 
1103 	return max_rate;
1104 }
1105 
rtw_action_frame_parse(const u8 * frame,u32 frame_len,u8 * category,u8 * action)1106 int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action)
1107 {
1108 	const u8 *frame_body = frame + sizeof(struct ieee80211_hdr_3addr);
1109 	u16 fc;
1110 	u8 c;
1111 	u8 a = ACT_PUBLIC_MAX;
1112 
1113 	fc = le16_to_cpu(((struct ieee80211_hdr_3addr *)frame)->frame_control);
1114 
1115 	if ((fc & (IEEE80211_FCTL_FTYPE|IEEE80211_FCTL_STYPE))
1116 		!= (IEEE80211_FTYPE_MGMT|IEEE80211_STYPE_ACTION)
1117 	) {
1118 		return false;
1119 	}
1120 
1121 	c = frame_body[0];
1122 
1123 	switch (c) {
1124 	case RTW_WLAN_CATEGORY_P2P: /* vendor-specific */
1125 		break;
1126 	default:
1127 		a = frame_body[1];
1128 	}
1129 
1130 	if (category)
1131 		*category = c;
1132 	if (action)
1133 		*action = a;
1134 
1135 	return true;
1136 }
1137 
1138 static const char *_action_public_str[] = {
1139 	"ACT_PUB_BSSCOEXIST",
1140 	"ACT_PUB_DSE_ENABLE",
1141 	"ACT_PUB_DSE_DEENABLE",
1142 	"ACT_PUB_DSE_REG_LOCATION",
1143 	"ACT_PUB_EXT_CHL_SWITCH",
1144 	"ACT_PUB_DSE_MSR_REQ",
1145 	"ACT_PUB_DSE_MSR_RPRT",
1146 	"ACT_PUB_MP",
1147 	"ACT_PUB_DSE_PWR_CONSTRAINT",
1148 	"ACT_PUB_VENDOR",
1149 	"ACT_PUB_GAS_INITIAL_REQ",
1150 	"ACT_PUB_GAS_INITIAL_RSP",
1151 	"ACT_PUB_GAS_COMEBACK_REQ",
1152 	"ACT_PUB_GAS_COMEBACK_RSP",
1153 	"ACT_PUB_TDLS_DISCOVERY_RSP",
1154 	"ACT_PUB_LOCATION_TRACK",
1155 	"ACT_PUB_RSVD",
1156 };
1157 
action_public_str(u8 action)1158 const char *action_public_str(u8 action)
1159 {
1160 	action = (action >= ACT_PUBLIC_MAX) ? ACT_PUBLIC_MAX : action;
1161 	return _action_public_str[action];
1162 }
1163