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1 /* SPDX-License-Identifier: GPL-2.0 */
2 /******************************************************************************
3  *
4  * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
5  *
6  ******************************************************************************/
7 #ifndef __IEEE80211_H
8 #define __IEEE80211_H
9 
10 #include <linux/ieee80211.h>
11 
12 #define MGMT_QUEUE_NUM 5
13 
14 #define ETH_ALEN	6
15 #define ETH_TYPE_LEN		2
16 #define PAYLOAD_TYPE_LEN	1
17 
18 #define RTL_IOCTL_HOSTAPD (SIOCIWFIRSTPRIV + 28)
19 
20 /* RTL871X_IOCTL_HOSTAPD ioctl() cmd: */
21 enum {
22 	RTL871X_HOSTAPD_FLUSH = 1,
23 	RTL871X_HOSTAPD_ADD_STA = 2,
24 	RTL871X_HOSTAPD_REMOVE_STA = 3,
25 	RTL871X_HOSTAPD_GET_INFO_STA = 4,
26 	/* REMOVED: PRISM2_HOSTAPD_RESET_TXEXC_STA = 5, */
27 	RTL871X_HOSTAPD_GET_WPAIE_STA = 5,
28 	RTL871X_SET_ENCRYPTION = 6,
29 	RTL871X_GET_ENCRYPTION = 7,
30 	RTL871X_HOSTAPD_SET_FLAGS_STA = 8,
31 	RTL871X_HOSTAPD_GET_RID = 9,
32 	RTL871X_HOSTAPD_SET_RID = 10,
33 	RTL871X_HOSTAPD_SET_ASSOC_AP_ADDR = 11,
34 	RTL871X_HOSTAPD_SET_GENERIC_ELEMENT = 12,
35 	RTL871X_HOSTAPD_MLME = 13,
36 	RTL871X_HOSTAPD_SCAN_REQ = 14,
37 	RTL871X_HOSTAPD_STA_CLEAR_STATS = 15,
38 	RTL871X_HOSTAPD_SET_BEACON = 16,
39 	RTL871X_HOSTAPD_SET_WPS_BEACON = 17,
40 	RTL871X_HOSTAPD_SET_WPS_PROBE_RESP = 18,
41 	RTL871X_HOSTAPD_SET_WPS_ASSOC_RESP = 19,
42 	RTL871X_HOSTAPD_SET_HIDDEN_SSID = 20,
43 	RTL871X_HOSTAPD_SET_MACADDR_ACL = 21,
44 	RTL871X_HOSTAPD_ACL_ADD_STA = 22,
45 	RTL871X_HOSTAPD_ACL_REMOVE_STA = 23,
46 };
47 
48 /* STA flags */
49 #define WLAN_STA_AUTH BIT(0)
50 #define WLAN_STA_ASSOC BIT(1)
51 #define WLAN_STA_PS BIT(2)
52 #define WLAN_STA_TIM BIT(3)
53 #define WLAN_STA_PERM BIT(4)
54 #define WLAN_STA_AUTHORIZED BIT(5)
55 #define WLAN_STA_PENDING_POLL BIT(6) /* pending activity poll not ACKed */
56 #define WLAN_STA_SHORT_PREAMBLE BIT(7)
57 #define WLAN_STA_PREAUTH BIT(8)
58 #define WLAN_STA_WME BIT(9)
59 #define WLAN_STA_MFP BIT(10)
60 #define WLAN_STA_HT BIT(11)
61 #define WLAN_STA_WPS BIT(12)
62 #define WLAN_STA_MAYBE_WPS BIT(13)
63 #define WLAN_STA_VHT BIT(14)
64 #define WLAN_STA_NONERP BIT(31)
65 
66 #define IEEE_CMD_SET_WPA_PARAM			1
67 #define IEEE_CMD_SET_WPA_IE				2
68 #define IEEE_CMD_SET_ENCRYPTION			3
69 #define IEEE_CMD_MLME						4
70 
71 #define IEEE_PARAM_WPA_ENABLED				1
72 #define IEEE_PARAM_TKIP_COUNTERMEASURES		2
73 #define IEEE_PARAM_DROP_UNENCRYPTED			3
74 #define IEEE_PARAM_PRIVACY_INVOKED			4
75 #define IEEE_PARAM_AUTH_ALGS					5
76 #define IEEE_PARAM_IEEE_802_1X				6
77 #define IEEE_PARAM_WPAX_SELECT				7
78 
79 #define IEEE_MLME_STA_DEAUTH				1
80 #define IEEE_MLME_STA_DISASSOC			2
81 
82 #define IEEE_CRYPT_ERR_UNKNOWN_ALG			2
83 #define IEEE_CRYPT_ERR_UNKNOWN_ADDR			3
84 #define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED		4
85 #define IEEE_CRYPT_ERR_KEY_SET_FAILED			5
86 #define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED		6
87 #define IEEE_CRYPT_ERR_CARD_CONF_FAILED		7
88 
89 
90 #define	IEEE_CRYPT_ALG_NAME_LEN			16
91 
92 #define WPA_CIPHER_NONE		BIT(0)
93 #define WPA_CIPHER_WEP40	BIT(1)
94 #define WPA_CIPHER_WEP104 BIT(2)
95 #define WPA_CIPHER_TKIP		BIT(3)
96 #define WPA_CIPHER_CCMP		BIT(4)
97 
98 
99 
100 #define WPA_SELECTOR_LEN 4
101 extern u8 RTW_WPA_OUI_TYPE[];
102 extern u16 RTW_WPA_VERSION;
103 extern u8 WPA_AUTH_KEY_MGMT_NONE[];
104 extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[];
105 extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
106 extern u8 WPA_CIPHER_SUITE_NONE[];
107 extern u8 WPA_CIPHER_SUITE_WEP40[];
108 extern u8 WPA_CIPHER_SUITE_TKIP[];
109 extern u8 WPA_CIPHER_SUITE_WRAP[];
110 extern u8 WPA_CIPHER_SUITE_CCMP[];
111 extern u8 WPA_CIPHER_SUITE_WEP104[];
112 
113 
114 #define RSN_HEADER_LEN 4
115 #define RSN_SELECTOR_LEN 4
116 
117 extern u16 RSN_VERSION_BSD;
118 extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[];
119 extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
120 extern u8 RSN_CIPHER_SUITE_NONE[];
121 extern u8 RSN_CIPHER_SUITE_WEP40[];
122 extern u8 RSN_CIPHER_SUITE_TKIP[];
123 extern u8 RSN_CIPHER_SUITE_WRAP[];
124 extern u8 RSN_CIPHER_SUITE_CCMP[];
125 extern u8 RSN_CIPHER_SUITE_WEP104[];
126 
127 
128 typedef enum _RATEID_IDX_ {
129 	RATEID_IDX_BGN_40M_2SS = 0,
130 	RATEID_IDX_BGN_40M_1SS = 1,
131 	RATEID_IDX_BGN_20M_2SS_BN = 2,
132 	RATEID_IDX_BGN_20M_1SS_BN = 3,
133 	RATEID_IDX_GN_N2SS = 4,
134 	RATEID_IDX_GN_N1SS = 5,
135 	RATEID_IDX_BG = 6,
136 	RATEID_IDX_G = 7,
137 	RATEID_IDX_B = 8,
138 	RATEID_IDX_VHT_2SS = 9,
139 	RATEID_IDX_VHT_1SS = 10,
140 } RATEID_IDX, *PRATEID_IDX;
141 
142 typedef enum _RATR_TABLE_MODE {
143 	RATR_INX_WIRELESS_NGB = 0,	/*  BGN 40 Mhz 2SS 1SS */
144 	RATR_INX_WIRELESS_NG = 1,		/*  GN or N */
145 	RATR_INX_WIRELESS_NB = 2,		/*  BGN 20 Mhz 2SS 1SS  or BN */
146 	RATR_INX_WIRELESS_N = 3,
147 	RATR_INX_WIRELESS_GB = 4,
148 	RATR_INX_WIRELESS_G = 5,
149 	RATR_INX_WIRELESS_B = 6,
150 	RATR_INX_WIRELESS_MC = 7,
151 	RATR_INX_WIRELESS_AC_N = 8,
152 } RATR_TABLE_MODE, *PRATR_TABLE_MODE;
153 
154 
155 enum NETWORK_TYPE {
156 	WIRELESS_INVALID = 0,
157 	/* Sub-Element */
158 	WIRELESS_11B = BIT(0), /*  tx: cck only , rx: cck only, hw: cck */
159 	WIRELESS_11G = BIT(1), /*  tx: ofdm only, rx: ofdm & cck, hw: cck & ofdm */
160 	WIRELESS_11A = BIT(2), /*  tx: ofdm only, rx: ofdm only, hw: ofdm only */
161 	WIRELESS_11_24N = BIT(3), /*  tx: MCS only, rx: MCS & cck, hw: MCS & cck */
162 	WIRELESS_11_5N = BIT(4), /*  tx: MCS only, rx: MCS & ofdm, hw: ofdm only */
163 	WIRELESS_AUTO = BIT(5),
164 	WIRELESS_11AC = BIT(6),
165 
166 	/* Combination */
167 	/* Type for current wireless mode */
168 	WIRELESS_11BG = (WIRELESS_11B|WIRELESS_11G), /*  tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */
169 	WIRELESS_11G_24N = (WIRELESS_11G|WIRELESS_11_24N), /*  tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */
170 	WIRELESS_11A_5N = (WIRELESS_11A|WIRELESS_11_5N), /*  tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
171 	WIRELESS_11B_24N = (WIRELESS_11B|WIRELESS_11_24N), /*  tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
172 	WIRELESS_11BG_24N = (WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N), /*  tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
173 	WIRELESS_11_24AC = (WIRELESS_11G|WIRELESS_11AC),
174 	WIRELESS_11_5AC = (WIRELESS_11A|WIRELESS_11AC),
175 
176 
177 	/* Type for registry default wireless mode */
178 	WIRELESS_11AGN = (WIRELESS_11A|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11_5N), /*  tx: ofdm & MCS, rx: ofdm & MCS, hw: ofdm only */
179 	WIRELESS_11ABGN = (WIRELESS_11A|WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11_5N),
180 	WIRELESS_MODE_24G = (WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11AC),
181 	WIRELESS_MODE_MAX = (WIRELESS_11A|WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N|WIRELESS_11_5N|WIRELESS_11AC),
182 };
183 
184 #define SUPPORTED_24G_NETTYPE_MSK (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N)
185 
186 #define IsLegacyOnly(NetType)  ((NetType) == ((NetType) & (WIRELESS_11BG|WIRELESS_11A)))
187 
188 #define IsSupported24G(NetType) ((NetType) & SUPPORTED_24G_NETTYPE_MSK ? true : false)
189 
190 #define IsEnableHWCCK(NetType) IsSupported24G(NetType)
191 #define IsEnableHWOFDM(NetType) (((NetType) & (WIRELESS_11G|WIRELESS_11_24N)) ? true : false)
192 
193 #define IsSupportedRxCCK(NetType) IsEnableHWCCK(NetType)
194 #define IsSupportedRxOFDM(NetType) IsEnableHWOFDM(NetType)
195 #define IsSupportedRxHT(NetType) IsEnableHWOFDM(NetType)
196 
197 #define IsSupportedTxCCK(NetType) (((NetType) & (WIRELESS_11B)) ? true : false)
198 #define IsSupportedTxOFDM(NetType) (((NetType) & (WIRELESS_11G|WIRELESS_11A)) ? true : false)
199 #define IsSupportedHT(NetType) (((NetType) & (WIRELESS_11_24N|WIRELESS_11_5N)) ? true : false)
200 
201 #define IsSupportedVHT(NetType) (((NetType) & (WIRELESS_11AC)) ? true : false)
202 
203 
204 struct ieee_param {
205 	u32 cmd;
206 	u8 sta_addr[ETH_ALEN];
207 	union {
208 		struct {
209 			u8 name;
210 			u32 value;
211 		} wpa_param;
212 		struct {
213 			u32 len;
214 			u8 reserved[32];
215 			u8 data[0];
216 		} wpa_ie;
217 	        struct{
218 			int command;
219 			int reason_code;
220 		} mlme;
221 		struct {
222 			u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
223 			u8 set_tx;
224 			u32 err;
225 			u8 idx;
226 			u8 seq[8]; /* sequence counter (set: RX, get: TX) */
227 			u16 key_len;
228 			u8 key[0];
229 		} crypt;
230 		struct {
231 			u16 aid;
232 			u16 capability;
233 			int flags;
234 			u8 tx_supp_rates[16];
235 			struct rtw_ieee80211_ht_cap ht_cap;
236 		} add_sta;
237 		struct {
238 			u8 reserved[2];/* for set max_num_sta */
239 			u8 buf[0];
240 		} bcn_ie;
241 	} u;
242 };
243 
244 struct ieee_param_ex {
245 	u32 cmd;
246 	u8 sta_addr[ETH_ALEN];
247 	u8 data[0];
248 };
249 
250 struct sta_data {
251 	u16 aid;
252 	u16 capability;
253 	int flags;
254 	u32 sta_set;
255 	u8 tx_supp_rates[16];
256 	u32 tx_supp_rates_len;
257 	struct rtw_ieee80211_ht_cap ht_cap;
258 	u64	rx_pkts;
259 	u64	rx_bytes;
260 	u64	rx_drops;
261 	u64	tx_pkts;
262 	u64	tx_bytes;
263 	u64	tx_drops;
264 };
265 
266 /* this is stolen from ipw2200 driver */
267 #define IEEE_IBSS_MAC_HASH_SIZE 31
268 
269 struct ieee_ibss_seq {
270 	u8 mac[ETH_ALEN];
271 	u16 seq_num;
272 	u16 frag_num;
273 	unsigned long packet_time;
274 	struct list_head	list;
275 };
276 
277 struct eapol {
278 	u8 snap[6];
279 	u16 ethertype;
280 	u8 version;
281 	u8 type;
282 	u16 length;
283 } __attribute__ ((packed));
284 
285 enum eap_type {
286 	EAP_PACKET = 0,
287 	EAPOL_START,
288 	EAPOL_LOGOFF,
289 	EAPOL_KEY,
290 	EAPOL_ENCAP_ASF_ALERT
291 };
292 
293 #define IEEE80211_FCS_LEN    4
294 
295 #define MIN_FRAG_THRESHOLD     256U
296 #define	MAX_FRAG_THRESHOLD     2346U
297 
298 /* sequence control field */
299 #define RTW_IEEE80211_SCTL_FRAG	0x000F
300 #define RTW_IEEE80211_SCTL_SEQ	0xFFF0
301 
302 
303 #define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0)
304 #define RTW_ERP_INFO_USE_PROTECTION BIT(1)
305 #define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
306 
307 /* QoS, QOS */
308 #define NORMAL_ACK			0
309 #define NO_ACK				1
310 #define NON_EXPLICIT_ACK	2
311 #define BLOCK_ACK			3
312 
313 #ifndef ETH_P_PAE
314 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
315 #endif /* ETH_P_PAE */
316 
317 #define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
318 
319 #define ETH_P_ECONET	0x0018
320 
321 #ifndef ETH_P_80211_RAW
322 #define ETH_P_80211_RAW (ETH_P_ECONET + 1)
323 #endif
324 
325 /* IEEE 802.11 defines */
326 
327 #define P80211_OUI_LEN 3
328 
329 struct ieee80211_snap_hdr {
330         u8    dsap;   /* always 0xAA */
331         u8    ssap;   /* always 0xAA */
332         u8    ctrl;   /* always 0x03 */
333         u8    oui[P80211_OUI_LEN];    /* organizational universal id */
334 } __attribute__ ((packed));
335 
336 #define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
337 
338 #define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
339 #define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
340 
341 #define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
342 
343 #define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
344 #define WLAN_GET_SEQ_SEQ(seq)  ((seq) & RTW_IEEE80211_SCTL_SEQ)
345 
346 /* Authentication algorithms */
347 #define WLAN_CAPABILITY_BSS (1<<0)
348 #define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
349 
350 /* 802.11b */
351 #define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
352 
353 /* Reason codes */
354 #define WLAN_REASON_ACTIVE_ROAM 65533
355 #define WLAN_REASON_JOIN_WRONG_CHANNEL       65534
356 #define WLAN_REASON_EXPIRATION_CHK 65535
357 
358 /* EIDs defined by IEEE 802.11h - END */
359 #define WLAN_EID_HT_CAP 45
360 #define WLAN_EID_20_40_BSS_COEXISTENCE 72
361 #define WLAN_EID_20_40_BSS_INTOLERANT 73
362 #define WLAN_EID_OVERLAPPING_BSS_SCAN_PARAMS 74
363 #define WLAN_EID_GENERIC (WLAN_EID_VENDOR_SPECIFIC)
364 #define WLAN_EID_VHT_OP_MODE_NOTIFY 199
365 
366 #define IEEE80211_MGMT_HDR_LEN 24
367 #define IEEE80211_DATA_HDR3_LEN 24
368 #define IEEE80211_DATA_HDR4_LEN 30
369 
370 
371 #define IEEE80211_STATMASK_SIGNAL (1<<0)
372 #define IEEE80211_STATMASK_RSSI (1<<1)
373 #define IEEE80211_STATMASK_NOISE (1<<2)
374 #define IEEE80211_STATMASK_RATE (1<<3)
375 #define IEEE80211_STATMASK_WEMASK 0x7
376 
377 
378 #define IEEE80211_CCK_MODULATION    (1<<0)
379 #define IEEE80211_OFDM_MODULATION   (1<<1)
380 
381 #define IEEE80211_24GHZ_BAND     (1<<0)
382 #define IEEE80211_52GHZ_BAND     (1<<1)
383 
384 #define IEEE80211_CCK_RATE_LEN			4
385 #define IEEE80211_NUM_OFDM_RATESLEN	8
386 
387 
388 #define IEEE80211_CCK_RATE_1MB		        0x02
389 #define IEEE80211_CCK_RATE_2MB		        0x04
390 #define IEEE80211_CCK_RATE_5MB		        0x0B
391 #define IEEE80211_CCK_RATE_11MB		        0x16
392 #define IEEE80211_OFDM_RATE_LEN			8
393 #define IEEE80211_OFDM_RATE_6MB		        0x0C
394 #define IEEE80211_OFDM_RATE_9MB		        0x12
395 #define IEEE80211_OFDM_RATE_12MB		0x18
396 #define IEEE80211_OFDM_RATE_18MB		0x24
397 #define IEEE80211_OFDM_RATE_24MB		0x30
398 #define IEEE80211_OFDM_RATE_36MB		0x48
399 #define IEEE80211_OFDM_RATE_48MB		0x60
400 #define IEEE80211_OFDM_RATE_54MB		0x6C
401 #define IEEE80211_BASIC_RATE_MASK		0x80
402 
403 #define IEEE80211_CCK_RATE_1MB_MASK		(1<<0)
404 #define IEEE80211_CCK_RATE_2MB_MASK		(1<<1)
405 #define IEEE80211_CCK_RATE_5MB_MASK		(1<<2)
406 #define IEEE80211_CCK_RATE_11MB_MASK		(1<<3)
407 #define IEEE80211_OFDM_RATE_6MB_MASK		(1<<4)
408 #define IEEE80211_OFDM_RATE_9MB_MASK		(1<<5)
409 #define IEEE80211_OFDM_RATE_12MB_MASK		(1<<6)
410 #define IEEE80211_OFDM_RATE_18MB_MASK		(1<<7)
411 #define IEEE80211_OFDM_RATE_24MB_MASK		(1<<8)
412 #define IEEE80211_OFDM_RATE_36MB_MASK		(1<<9)
413 #define IEEE80211_OFDM_RATE_48MB_MASK		(1<<10)
414 #define IEEE80211_OFDM_RATE_54MB_MASK		(1<<11)
415 
416 #define IEEE80211_CCK_RATES_MASK	        0x0000000F
417 #define IEEE80211_CCK_BASIC_RATES_MASK	(IEEE80211_CCK_RATE_1MB_MASK | \
418 	IEEE80211_CCK_RATE_2MB_MASK)
419 #define IEEE80211_CCK_DEFAULT_RATES_MASK	(IEEE80211_CCK_BASIC_RATES_MASK | \
420         IEEE80211_CCK_RATE_5MB_MASK | \
421         IEEE80211_CCK_RATE_11MB_MASK)
422 
423 #define IEEE80211_OFDM_RATES_MASK		0x00000FF0
424 #define IEEE80211_OFDM_BASIC_RATES_MASK	(IEEE80211_OFDM_RATE_6MB_MASK | \
425 	IEEE80211_OFDM_RATE_12MB_MASK | \
426 	IEEE80211_OFDM_RATE_24MB_MASK)
427 #define IEEE80211_OFDM_DEFAULT_RATES_MASK	(IEEE80211_OFDM_BASIC_RATES_MASK | \
428 	IEEE80211_OFDM_RATE_9MB_MASK  | \
429 	IEEE80211_OFDM_RATE_18MB_MASK | \
430 	IEEE80211_OFDM_RATE_36MB_MASK | \
431 	IEEE80211_OFDM_RATE_48MB_MASK | \
432 	IEEE80211_OFDM_RATE_54MB_MASK)
433 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
434                                 IEEE80211_CCK_DEFAULT_RATES_MASK)
435 
436 #define IEEE80211_NUM_OFDM_RATES	    8
437 #define IEEE80211_NUM_CCK_RATES	            4
438 #define IEEE80211_OFDM_SHIFT_MASK_A         4
439 
440 
441 enum MGN_RATE {
442 	MGN_1M		= 0x02,
443 	MGN_2M		= 0x04,
444 	MGN_5_5M	= 0x0B,
445 	MGN_6M		= 0x0C,
446 	MGN_9M		= 0x12,
447 	MGN_11M		= 0x16,
448 	MGN_12M	= 0x18,
449 	MGN_18M	= 0x24,
450 	MGN_24M	= 0x30,
451 	MGN_36M	= 0x48,
452 	MGN_48M	= 0x60,
453 	MGN_54M	= 0x6C,
454 	MGN_MCS32	= 0x7F,
455 	MGN_MCS0,
456 	MGN_MCS1,
457 	MGN_MCS2,
458 	MGN_MCS3,
459 	MGN_MCS4,
460 	MGN_MCS5,
461 	MGN_MCS6,
462 	MGN_MCS7,
463 	MGN_MCS8,
464 	MGN_MCS9,
465 	MGN_MCS10,
466 	MGN_MCS11,
467 	MGN_MCS12,
468 	MGN_MCS13,
469 	MGN_MCS14,
470 	MGN_MCS15,
471 	MGN_MCS16,
472 	MGN_MCS17,
473 	MGN_MCS18,
474 	MGN_MCS19,
475 	MGN_MCS20,
476 	MGN_MCS21,
477 	MGN_MCS22,
478 	MGN_MCS23,
479 	MGN_MCS24,
480 	MGN_MCS25,
481 	MGN_MCS26,
482 	MGN_MCS27,
483 	MGN_MCS28,
484 	MGN_MCS29,
485 	MGN_MCS30,
486 	MGN_MCS31,
487 	MGN_VHT1SS_MCS0,
488 	MGN_VHT1SS_MCS1,
489 	MGN_VHT1SS_MCS2,
490 	MGN_VHT1SS_MCS3,
491 	MGN_VHT1SS_MCS4,
492 	MGN_VHT1SS_MCS5,
493 	MGN_VHT1SS_MCS6,
494 	MGN_VHT1SS_MCS7,
495 	MGN_VHT1SS_MCS8,
496 	MGN_VHT1SS_MCS9,
497 	MGN_VHT2SS_MCS0,
498 	MGN_VHT2SS_MCS1,
499 	MGN_VHT2SS_MCS2,
500 	MGN_VHT2SS_MCS3,
501 	MGN_VHT2SS_MCS4,
502 	MGN_VHT2SS_MCS5,
503 	MGN_VHT2SS_MCS6,
504 	MGN_VHT2SS_MCS7,
505 	MGN_VHT2SS_MCS8,
506 	MGN_VHT2SS_MCS9,
507 	MGN_VHT3SS_MCS0,
508 	MGN_VHT3SS_MCS1,
509 	MGN_VHT3SS_MCS2,
510 	MGN_VHT3SS_MCS3,
511 	MGN_VHT3SS_MCS4,
512 	MGN_VHT3SS_MCS5,
513 	MGN_VHT3SS_MCS6,
514 	MGN_VHT3SS_MCS7,
515 	MGN_VHT3SS_MCS8,
516 	MGN_VHT3SS_MCS9,
517 	MGN_VHT4SS_MCS0,
518 	MGN_VHT4SS_MCS1,
519 	MGN_VHT4SS_MCS2,
520 	MGN_VHT4SS_MCS3,
521 	MGN_VHT4SS_MCS4,
522 	MGN_VHT4SS_MCS5,
523 	MGN_VHT4SS_MCS6,
524 	MGN_VHT4SS_MCS7,
525 	MGN_VHT4SS_MCS8,
526 	MGN_VHT4SS_MCS9,
527 	MGN_UNKNOWN
528 };
529 
530 #define IS_HT_RATE(_rate)				(_rate >= MGN_MCS0 && _rate <= MGN_MCS31)
531 #define IS_VHT_RATE(_rate)				(_rate >= MGN_VHT1SS_MCS0 && _rate <= MGN_VHT4SS_MCS9)
532 #define IS_CCK_RATE(_rate)				(MGN_1M == _rate || _rate == MGN_2M || _rate == MGN_5_5M || _rate == MGN_11M)
533 #define IS_OFDM_RATE(_rate)				(MGN_6M <= _rate && _rate <= MGN_54M  && _rate != MGN_11M)
534 
535 
536 /* NOTE: This data is for statistical purposes; not all hardware provides this
537  *       information for frames received.  Not setting these will not cause
538  *       any adverse affects. */
539 struct ieee80211_rx_stats {
540 	s8 rssi;
541 	u8 signal;
542 	u8 noise;
543 	u8 received_channel;
544 	u16 rate; /* in 100 kbps */
545 	u8 mask;
546 	u8 freq;
547 	u16 len;
548 };
549 
550 /* IEEE 802.11 requires that STA supports concurrent reception of at least
551  * three fragmented frames. This define can be increased to support more
552  * concurrent frames, but it should be noted that each entry can consume about
553  * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
554 #define IEEE80211_FRAG_CACHE_LEN 4
555 
556 struct ieee80211_frag_entry {
557 	u32 first_frag_time;
558 	uint seq;
559 	uint last_frag;
560 	uint qos;   /* jackson */
561 	uint tid;	/* jackson */
562 	struct sk_buff *skb;
563 	u8 src_addr[ETH_ALEN];
564 	u8 dst_addr[ETH_ALEN];
565 };
566 
567 struct ieee80211_stats {
568 	uint tx_unicast_frames;
569 	uint tx_multicast_frames;
570 	uint tx_fragments;
571 	uint tx_unicast_octets;
572 	uint tx_multicast_octets;
573 	uint tx_deferred_transmissions;
574 	uint tx_single_retry_frames;
575 	uint tx_multiple_retry_frames;
576 	uint tx_retry_limit_exceeded;
577 	uint tx_discards;
578 	uint rx_unicast_frames;
579 	uint rx_multicast_frames;
580 	uint rx_fragments;
581 	uint rx_unicast_octets;
582 	uint rx_multicast_octets;
583 	uint rx_fcs_errors;
584 	uint rx_discards_no_buffer;
585 	uint tx_discards_wrong_sa;
586 	uint rx_discards_undecryptable;
587 	uint rx_message_in_msg_fragments;
588 	uint rx_message_in_bad_msg_fragments;
589 };
590 
591 struct ieee80211_softmac_stats {
592 	uint rx_ass_ok;
593 	uint rx_ass_err;
594 	uint rx_probe_rq;
595 	uint tx_probe_rs;
596 	uint tx_beacons;
597 	uint rx_auth_rq;
598 	uint rx_auth_rs_ok;
599 	uint rx_auth_rs_err;
600 	uint tx_auth_rq;
601 	uint no_auth_rs;
602 	uint no_ass_rs;
603 	uint tx_ass_rq;
604 	uint rx_ass_rq;
605 	uint tx_probe_rq;
606 	uint reassoc;
607 	uint swtxstop;
608 	uint swtxawake;
609 };
610 
611 #define SEC_KEY_1         (1<<0)
612 #define SEC_KEY_2         (1<<1)
613 #define SEC_KEY_3         (1<<2)
614 #define SEC_KEY_4         (1<<3)
615 #define SEC_ACTIVE_KEY    (1<<4)
616 #define SEC_AUTH_MODE     (1<<5)
617 #define SEC_UNICAST_GROUP (1<<6)
618 #define SEC_LEVEL         (1<<7)
619 #define SEC_ENABLED       (1<<8)
620 
621 #define SEC_LEVEL_0      0 /* None */
622 #define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
623 #define SEC_LEVEL_2      2 /* Level 1 + TKIP */
624 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
625 #define SEC_LEVEL_3      4 /* Level 2 + CCMP */
626 
627 #define WEP_KEYS 4
628 #define WEP_KEY_LEN 13
629 
630 #define BIP_MAX_KEYID 5
631 #define BIP_AAD_SIZE  20
632 
633 struct ieee80211_security {
634 	u16 active_key:2,
635             enabled:1,
636 	    auth_mode:2,
637             auth_algo:4,
638             unicast_uses_group:1;
639 	u8 key_sizes[WEP_KEYS];
640 	u8 keys[WEP_KEYS][WEP_KEY_LEN];
641 	u8 level;
642 	u16 flags;
643 } __attribute__ ((packed));
644 
645 /*
646 
647  802.11 data frame from AP
648 
649       ,-------------------------------------------------------------------.
650 Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
651       |------|------|---------|---------|---------|------|---------|------|
652 Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
653       |      | tion | (BSSID) |         |         | ence |  data   |      |
654       `-------------------------------------------------------------------'
655 
656 Total: 28-2340 bytes
657 
658 */
659 
660 struct ieee80211_header_data {
661 	u16 frame_ctl;
662 	u16 duration_id;
663 	u8 addr1[6];
664 	u8 addr2[6];
665 	u8 addr3[6];
666 	u16 seq_ctrl;
667 };
668 
669 #define BEACON_PROBE_SSID_ID_POSITION 12
670 
671 /* Management Frame Information Element Types */
672 #define MFIE_TYPE_SSID       0
673 #define MFIE_TYPE_RATES      1
674 #define MFIE_TYPE_FH_SET     2
675 #define MFIE_TYPE_DS_SET     3
676 #define MFIE_TYPE_CF_SET     4
677 #define MFIE_TYPE_TIM        5
678 #define MFIE_TYPE_IBSS_SET   6
679 #define MFIE_TYPE_CHALLENGE  16
680 #define MFIE_TYPE_ERP        42
681 #define MFIE_TYPE_RSN	     48
682 #define MFIE_TYPE_RATES_EX   50
683 #define MFIE_TYPE_GENERIC    221
684 
685 struct ieee80211_info_element_hdr {
686 	u8 id;
687 	u8 len;
688 } __attribute__ ((packed));
689 
690 struct ieee80211_info_element {
691 	u8 id;
692 	u8 len;
693 	u8 data[0];
694 } __attribute__ ((packed));
695 
696 /*
697  * These are the data types that can make up management packets
698  *
699 	u16 auth_algorithm;
700 	u16 auth_sequence;
701 	u16 beacon_interval;
702 	u16 capability;
703 	u8 current_ap[ETH_ALEN];
704 	u16 listen_interval;
705 	struct {
706 		u16 association_id:14, reserved:2;
707 	} __attribute__ ((packed));
708 	u32 time_stamp[2];
709 	u16 reason;
710 	u16 status;
711 */
712 
713 #define IEEE80211_DEFAULT_TX_ESSID "Penguin"
714 #define IEEE80211_DEFAULT_BASIC_RATE 10
715 
716 
717 struct ieee80211_authentication {
718 	struct ieee80211_header_data header;
719 	u16 algorithm;
720 	u16 transaction;
721 	u16 status;
722 	/* struct ieee80211_info_element_hdr info_element; */
723 } __attribute__ ((packed));
724 
725 
726 struct ieee80211_probe_response {
727 	struct ieee80211_header_data header;
728 	u32 time_stamp[2];
729 	u16 beacon_interval;
730 	u16 capability;
731 	struct ieee80211_info_element info_element;
732 } __attribute__ ((packed));
733 
734 struct ieee80211_probe_request {
735 	struct ieee80211_header_data header;
736 	/*struct ieee80211_info_element info_element;*/
737 } __attribute__ ((packed));
738 
739 struct ieee80211_assoc_request_frame {
740 	struct ieee80211_hdr_3addr header;
741 	u16 capability;
742 	u16 listen_interval;
743 	/* u8 current_ap[ETH_ALEN]; */
744 	struct ieee80211_info_element_hdr info_element;
745 } __attribute__ ((packed));
746 
747 struct ieee80211_assoc_response_frame {
748 	struct ieee80211_hdr_3addr header;
749 	u16 capability;
750 	u16 status;
751 	u16 aid;
752 } __attribute__ ((packed));
753 
754 struct ieee80211_txb {
755 	u8 nr_frags;
756 	u8 encrypted;
757 	u16 reserved;
758 	u16 frag_size;
759 	u16 payload_size;
760 	struct sk_buff *fragments[0];
761 };
762 
763 
764 /* SWEEP TABLE ENTRIES NUMBER*/
765 #define MAX_SWEEP_TAB_ENTRIES		  42
766 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
767 /* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
768  * only use 8, and then use extended rates for the remaining supported
769  * rates.  Other APs, however, stick all of their supported rates on the
770  * main rates information element... */
771 #define MAX_RATES_LENGTH                  ((u8)12)
772 #define MAX_RATES_EX_LENGTH               ((u8)16)
773 #define MAX_NETWORK_COUNT                  128
774 #define MAX_CHANNEL_NUMBER                 161
775 #define IEEE80211_SOFTMAC_SCAN_TIME	  400
776 /* HZ / 2) */
777 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
778 
779 #define CRC_LENGTH                 4U
780 
781 #define MAX_WPA_IE_LEN (256)
782 #define MAX_WPS_IE_LEN (512)
783 #define MAX_P2P_IE_LEN (256)
784 #define MAX_WFD_IE_LEN (128)
785 
786 #define NETWORK_EMPTY_ESSID (1<<0)
787 #define NETWORK_HAS_OFDM    (1<<1)
788 #define NETWORK_HAS_CCK     (1<<2)
789 
790 #define IEEE80211_DTIM_MBCAST 4
791 #define IEEE80211_DTIM_UCAST 2
792 #define IEEE80211_DTIM_VALID 1
793 #define IEEE80211_DTIM_INVALID 0
794 
795 #define IEEE80211_PS_DISABLED 0
796 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
797 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
798 #define IW_ESSID_MAX_SIZE 32
799 /*
800 join_res:
801 -1: authentication fail
802 -2: association fail
803 > 0: TID
804 */
805 
806 enum ieee80211_state {
807 
808 	/* the card is not linked at all */
809 	IEEE80211_NOLINK = 0,
810 
811 	/* IEEE80211_ASSOCIATING* are for BSS client mode
812 	 * the driver shall not perform RX filtering unless
813 	 * the state is LINKED.
814 	 * The driver shall just check for the state LINKED and
815 	 * defaults to NOLINK for ALL the other states (including
816 	 * LINKED_SCANNING)
817 	 */
818 
819 	/* the association procedure will start (wq scheduling)*/
820 	IEEE80211_ASSOCIATING,
821 	IEEE80211_ASSOCIATING_RETRY,
822 
823 	/* the association procedure is sending AUTH request*/
824 	IEEE80211_ASSOCIATING_AUTHENTICATING,
825 
826 	/* the association procedure has successfully authentcated
827 	 * and is sending association request
828 	 */
829 	IEEE80211_ASSOCIATING_AUTHENTICATED,
830 
831 	/* the link is ok. the card associated to a BSS or linked
832 	 * to a ibss cell or acting as an AP and creating the bss
833 	 */
834 	IEEE80211_LINKED,
835 
836 	/* same as LINKED, but the driver shall apply RX filter
837 	 * rules as we are in NO_LINK mode. As the card is still
838 	 * logically linked, but it is doing a syncro site survey
839 	 * then it will be back to LINKED state.
840 	 */
841 	IEEE80211_LINKED_SCANNING,
842 
843 };
844 
845 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
846 #define DEFAULT_FTS 2346
847 #define MAC_FMT "%pM"
848 #define MAC_ARG(x) (x)
849 #define IP_FMT "%pI4"
850 #define IP_ARG(x) (x)
851 
is_multicast_mac_addr(const u8 * addr)852 static inline int is_multicast_mac_addr(const u8 *addr)
853 {
854         return ((addr[0] != 0xff) && (0x01 & addr[0]));
855 }
856 
is_broadcast_mac_addr(const u8 * addr)857 static inline int is_broadcast_mac_addr(const u8 *addr)
858 {
859 	return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&   \
860 		(addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
861 }
862 
is_zero_mac_addr(const u8 * addr)863 static inline int is_zero_mac_addr(const u8 *addr)
864 {
865 	return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) &&   \
866 		(addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00));
867 }
868 
869 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
870 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
871 
872 #define MAXTID	16
873 
874 #define IEEE_A            (1<<0)
875 #define IEEE_B            (1<<1)
876 #define IEEE_G            (1<<2)
877 #define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
878 
879 /* Action category code */
880 enum rtw_ieee80211_category {
881 	RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
882 	RTW_WLAN_CATEGORY_QOS = 1,
883 	RTW_WLAN_CATEGORY_DLS = 2,
884 	RTW_WLAN_CATEGORY_BACK = 3,
885 	RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */
886 	RTW_WLAN_CATEGORY_RADIO_MEASUREMENT  = 5,
887 	RTW_WLAN_CATEGORY_FT = 6,
888 	RTW_WLAN_CATEGORY_HT = 7,
889 	RTW_WLAN_CATEGORY_SA_QUERY = 8,
890 	RTW_WLAN_CATEGORY_UNPROTECTED_WNM = 11, /*  add for CONFIG_IEEE80211W, none 11w also can use */
891 	RTW_WLAN_CATEGORY_TDLS = 12,
892 	RTW_WLAN_CATEGORY_SELF_PROTECTED = 15, /*  add for CONFIG_IEEE80211W, none 11w also can use */
893 	RTW_WLAN_CATEGORY_WMM = 17,
894 	RTW_WLAN_CATEGORY_VHT = 21,
895 	RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
896 };
897 
898 /* SPECTRUM_MGMT action code */
899 enum rtw_ieee80211_spectrum_mgmt_actioncode {
900 	RTW_WLAN_ACTION_SPCT_MSR_REQ = 0,
901 	RTW_WLAN_ACTION_SPCT_MSR_RPRT = 1,
902 	RTW_WLAN_ACTION_SPCT_TPC_REQ = 2,
903 	RTW_WLAN_ACTION_SPCT_TPC_RPRT = 3,
904 	RTW_WLAN_ACTION_SPCT_CHL_SWITCH = 4,
905 	RTW_WLAN_ACTION_SPCT_EXT_CHL_SWITCH = 5,
906 };
907 
908 enum _PUBLIC_ACTION {
909 	ACT_PUBLIC_BSSCOEXIST = 0, /*  20/40 BSS Coexistence */
910 	ACT_PUBLIC_DSE_ENABLE = 1,
911 	ACT_PUBLIC_DSE_DEENABLE = 2,
912 	ACT_PUBLIC_DSE_REG_LOCATION = 3,
913 	ACT_PUBLIC_EXT_CHL_SWITCH = 4,
914 	ACT_PUBLIC_DSE_MSR_REQ = 5,
915 	ACT_PUBLIC_DSE_MSR_RPRT = 6,
916 	ACT_PUBLIC_MP = 7, /*  Measurement Pilot */
917 	ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
918 	ACT_PUBLIC_VENDOR = 9, /*  for WIFI_DIRECT */
919 	ACT_PUBLIC_GAS_INITIAL_REQ = 10,
920 	ACT_PUBLIC_GAS_INITIAL_RSP = 11,
921 	ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
922 	ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
923 	ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
924 	ACT_PUBLIC_LOCATION_TRACK = 15,
925 	ACT_PUBLIC_MAX
926 };
927 
928 /* BACK action code */
929 enum rtw_ieee80211_back_actioncode {
930 	RTW_WLAN_ACTION_ADDBA_REQ = 0,
931 	RTW_WLAN_ACTION_ADDBA_RESP = 1,
932 	RTW_WLAN_ACTION_DELBA = 2,
933 };
934 
935 /* HT features action code */
936 enum rtw_ieee80211_ht_actioncode {
937 	RTW_WLAN_ACTION_HT_NOTI_CHNL_WIDTH = 0,
938        RTW_WLAN_ACTION_HT_SM_PS = 1,
939        RTW_WLAN_ACTION_HT_PSMP = 2,
940        RTW_WLAN_ACTION_HT_SET_PCO_PHASE = 3,
941        RTW_WLAN_ACTION_HT_CSI = 4,
942        RTW_WLAN_ACTION_HT_NON_COMPRESS_BEAMFORMING = 5,
943        RTW_WLAN_ACTION_HT_COMPRESS_BEAMFORMING = 6,
944        RTW_WLAN_ACTION_HT_ASEL_FEEDBACK = 7,
945 };
946 
947 /* BACK (block-ack) parties */
948 enum rtw_ieee80211_back_parties {
949 	RTW_WLAN_BACK_RECIPIENT = 0,
950 	RTW_WLAN_BACK_INITIATOR = 1,
951 	RTW_WLAN_BACK_TIMER = 2,
952 };
953 
954 /* VHT features action code */
955 enum rtw_ieee80211_vht_actioncode {
956 	RTW_WLAN_ACTION_VHT_COMPRESSED_BEAMFORMING = 0,
957        RTW_WLAN_ACTION_VHT_GROUPID_MANAGEMENT = 1,
958        RTW_WLAN_ACTION_VHT_OPMODE_NOTIFICATION = 2,
959 };
960 
961 
962 #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
963 				* 00:50:F2 */
964 #define WME_OUI_TYPE 2
965 #define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
966 #define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
967 #define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
968 #define WME_VERSION 1
969 
970 #define WME_ACTION_CODE_SETUP_REQUEST 0
971 #define WME_ACTION_CODE_SETUP_RESPONSE 1
972 #define WME_ACTION_CODE_TEARDOWN 2
973 
974 #define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
975 #define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
976 #define WME_SETUP_RESPONSE_STATUS_REFUSED 3
977 
978 #define WME_TSPEC_DIRECTION_UPLINK 0
979 #define WME_TSPEC_DIRECTION_DOWNLINK 1
980 #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
981 
982 
983 #define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
984 
985 #define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
986 
987 /**
988  * enum rtw_ieee80211_channel_flags - channel flags
989  *
990  * Channel flags set by the regulatory control code.
991  *
992  * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
993  * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
994  *      on this channel.
995  * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
996  * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
997  * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
998  *      is not permitted.
999  * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
1000  *      is not permitted.
1001  */
1002   enum rtw_ieee80211_channel_flags {
1003           RTW_IEEE80211_CHAN_DISABLED         = 1<<0,
1004           RTW_IEEE80211_CHAN_PASSIVE_SCAN     = 1<<1,
1005           RTW_IEEE80211_CHAN_NO_IBSS          = 1<<2,
1006           RTW_IEEE80211_CHAN_RADAR            = 1<<3,
1007           RTW_IEEE80211_CHAN_NO_HT40PLUS      = 1<<4,
1008           RTW_IEEE80211_CHAN_NO_HT40MINUS     = 1<<5,
1009   };
1010 
1011   #define RTW_IEEE80211_CHAN_NO_HT40 \
1012           (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS)
1013 
1014 /* Represent channel details, subset of ieee80211_channel */
1015 struct rtw_ieee80211_channel {
1016 	/* enum nl80211_band band; */
1017 	/* u16 center_freq; */
1018 	u16 hw_value;
1019 	u32 flags;
1020 	/* int max_antenna_gain; */
1021 	/* int max_power; */
1022 	/* int max_reg_power; */
1023 	/* bool beacon_found; */
1024 	/* u32 orig_flags; */
1025 	/* int orig_mag; */
1026 	/* int orig_mpwr; */
1027 };
1028 
1029 #define CHAN_FMT \
1030 	/*"band:%d, "*/ \
1031 	/*"center_freq:%u, "*/ \
1032 	"hw_value:%u, " \
1033 	"flags:0x%08x" \
1034 	/*"max_antenna_gain:%d\n"*/ \
1035 	/*"max_power:%d\n"*/ \
1036 	/*"max_reg_power:%d\n"*/ \
1037 	/*"beacon_found:%u\n"*/ \
1038 	/*"orig_flags:0x%08x\n"*/ \
1039 	/*"orig_mag:%d\n"*/ \
1040 	/*"orig_mpwr:%d\n"*/
1041 
1042 #define CHAN_ARG(channel) \
1043 	/*(channel)->band*/ \
1044 	/*, (channel)->center_freq*/ \
1045 	(channel)->hw_value \
1046 	, (channel)->flags \
1047 	/*, (channel)->max_antenna_gain*/ \
1048 	/*, (channel)->max_power*/ \
1049 	/*, (channel)->max_reg_power*/ \
1050 	/*, (channel)->beacon_found*/ \
1051 	/*, (channel)->orig_flags*/ \
1052 	/*, (channel)->orig_mag*/ \
1053 	/*, (channel)->orig_mpwr*/ \
1054 
1055 /* Parsed Information Elements */
1056 struct rtw_ieee802_11_elems {
1057 	u8 *ssid;
1058 	u8 ssid_len;
1059 	u8 *supp_rates;
1060 	u8 supp_rates_len;
1061 	u8 *fh_params;
1062 	u8 fh_params_len;
1063 	u8 *ds_params;
1064 	u8 ds_params_len;
1065 	u8 *cf_params;
1066 	u8 cf_params_len;
1067 	u8 *tim;
1068 	u8 tim_len;
1069 	u8 *ibss_params;
1070 	u8 ibss_params_len;
1071 	u8 *challenge;
1072 	u8 challenge_len;
1073 	u8 *erp_info;
1074 	u8 erp_info_len;
1075 	u8 *ext_supp_rates;
1076 	u8 ext_supp_rates_len;
1077 	u8 *wpa_ie;
1078 	u8 wpa_ie_len;
1079 	u8 *rsn_ie;
1080 	u8 rsn_ie_len;
1081 	u8 *wme;
1082 	u8 wme_len;
1083 	u8 *wme_tspec;
1084 	u8 wme_tspec_len;
1085 	u8 *wps_ie;
1086 	u8 wps_ie_len;
1087 	u8 *power_cap;
1088 	u8 power_cap_len;
1089 	u8 *supp_channels;
1090 	u8 supp_channels_len;
1091 	u8 *mdie;
1092 	u8 mdie_len;
1093 	u8 *ftie;
1094 	u8 ftie_len;
1095 	u8 *timeout_int;
1096 	u8 timeout_int_len;
1097 	u8 *ht_capabilities;
1098 	u8 ht_capabilities_len;
1099 	u8 *ht_operation;
1100 	u8 ht_operation_len;
1101 	u8 *vendor_ht_cap;
1102 	u8 vendor_ht_cap_len;
1103 	u8 *vht_capabilities;
1104 	u8 vht_capabilities_len;
1105 	u8 *vht_operation;
1106 	u8 vht_operation_len;
1107 	u8 *vht_op_mode_notify;
1108 	u8 vht_op_mode_notify_len;
1109 };
1110 
1111 typedef enum { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 } ParseRes;
1112 
1113 ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
1114 				struct rtw_ieee802_11_elems *elems,
1115 				int show_errors);
1116 
1117 u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source, unsigned int *frlen);
1118 u8 *rtw_set_ie(u8 *pbuf, sint index, uint len, u8 *source, uint *frlen);
1119 
1120 enum secondary_ch_offset {
1121 	SCN = 0, /* no secondary channel */
1122 	SCA = 1, /* secondary channel above */
1123 	SCB = 3,  /* secondary channel below */
1124 };
1125 
1126 u8 *rtw_get_ie(u8*pbuf, sint index, sint *len, sint limit);
1127 u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen);
1128 int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len);
1129 
1130 void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
1131 
1132 unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit);
1133 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit);
1134 int rtw_get_wpa_cipher_suite(u8 *s);
1135 int rtw_get_wpa2_cipher_suite(u8 *s);
1136 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
1137 int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x);
1138 int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x);
1139 
1140 void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len);
1141 
1142 u8 rtw_is_wps_ie(u8 *ie_ptr, uint *wps_ielen);
1143 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
1144 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_attr, u32 *len_attr);
1145 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_content, uint *len_content);
1146 
1147 /**
1148  * for_each_ie - iterate over continuous IEs
1149  * @ie:
1150  * @buf:
1151  * @buf_len:
1152  */
1153 #define for_each_ie(ie, buf, buf_len) \
1154 	for (ie = (void*)buf; (((u8 *)ie) - ((u8 *)buf) + 1) < buf_len; ie = (void*)(((u8 *)ie) + *(((u8 *)ie)+1) + 2))
1155 
1156 uint	rtw_get_rateset_len(u8 *rateset);
1157 
1158 struct registry_priv;
1159 int rtw_generate_ie(struct registry_priv *pregistrypriv);
1160 
1161 
1162 int rtw_get_bit_value_from_ieee_value(u8 val);
1163 
1164 bool rtw_is_cckrates_included(u8 *rate);
1165 
1166 bool rtw_is_cckratesonly_included(u8 *rate);
1167 
1168 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel);
1169 
1170 void rtw_get_bcn_info(struct wlan_network *pnetwork);
1171 
1172 void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr);
1173 
1174 u16 rtw_mcs_rate(u8 rf_type, u8 bw_40MHz, u8 short_GI, unsigned char * MCS_rate);
1175 
1176 int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action);
1177 const char *action_public_str(u8 action);
1178 
1179 #endif /* IEEE80211_H */
1180