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: */
21enum {
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_NONERP BIT(31)
64
65#define IEEE_CMD_SET_WPA_PARAM			1
66#define IEEE_CMD_SET_WPA_IE				2
67#define IEEE_CMD_SET_ENCRYPTION			3
68#define IEEE_CMD_MLME						4
69
70#define IEEE_PARAM_WPA_ENABLED				1
71#define IEEE_PARAM_TKIP_COUNTERMEASURES		2
72#define IEEE_PARAM_DROP_UNENCRYPTED			3
73#define IEEE_PARAM_PRIVACY_INVOKED			4
74#define IEEE_PARAM_AUTH_ALGS					5
75#define IEEE_PARAM_IEEE_802_1X				6
76#define IEEE_PARAM_WPAX_SELECT				7
77
78#define IEEE_MLME_STA_DEAUTH				1
79#define IEEE_MLME_STA_DISASSOC			2
80
81#define IEEE_CRYPT_ERR_UNKNOWN_ALG			2
82#define IEEE_CRYPT_ERR_UNKNOWN_ADDR			3
83#define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED		4
84#define IEEE_CRYPT_ERR_KEY_SET_FAILED			5
85#define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED		6
86#define IEEE_CRYPT_ERR_CARD_CONF_FAILED		7
87
88
89#define	IEEE_CRYPT_ALG_NAME_LEN			16
90
91#define WPA_CIPHER_NONE		BIT(0)
92#define WPA_CIPHER_WEP40	BIT(1)
93#define WPA_CIPHER_WEP104 BIT(2)
94#define WPA_CIPHER_TKIP		BIT(3)
95#define WPA_CIPHER_CCMP		BIT(4)
96
97
98
99#define WPA_SELECTOR_LEN 4
100extern u8 RTW_WPA_OUI_TYPE[];
101extern u16 RTW_WPA_VERSION;
102extern u8 WPA_AUTH_KEY_MGMT_NONE[];
103extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[];
104extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
105extern u8 WPA_CIPHER_SUITE_NONE[];
106extern u8 WPA_CIPHER_SUITE_WEP40[];
107extern u8 WPA_CIPHER_SUITE_TKIP[];
108extern u8 WPA_CIPHER_SUITE_WRAP[];
109extern u8 WPA_CIPHER_SUITE_CCMP[];
110extern u8 WPA_CIPHER_SUITE_WEP104[];
111
112
113#define RSN_HEADER_LEN 4
114#define RSN_SELECTOR_LEN 4
115
116extern u16 RSN_VERSION_BSD;
117extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[];
118extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
119extern u8 RSN_CIPHER_SUITE_NONE[];
120extern u8 RSN_CIPHER_SUITE_WEP40[];
121extern u8 RSN_CIPHER_SUITE_TKIP[];
122extern u8 RSN_CIPHER_SUITE_WRAP[];
123extern u8 RSN_CIPHER_SUITE_CCMP[];
124extern u8 RSN_CIPHER_SUITE_WEP104[];
125
126
127enum {
128	RATEID_IDX_BGN_40M_2SS = 0,
129	RATEID_IDX_BGN_40M_1SS = 1,
130	RATEID_IDX_BGN_20M_2SS_BN = 2,
131	RATEID_IDX_BGN_20M_1SS_BN = 3,
132	RATEID_IDX_GN_N2SS = 4,
133	RATEID_IDX_GN_N1SS = 5,
134	RATEID_IDX_BG = 6,
135	RATEID_IDX_G = 7,
136	RATEID_IDX_B = 8,
137};
138
139enum network_type {
140	WIRELESS_INVALID = 0,
141	/* Sub-Element */
142	WIRELESS_11B = BIT(0), /*  tx: cck only , rx: cck only, hw: cck */
143	WIRELESS_11G = BIT(1), /*  tx: ofdm only, rx: ofdm & cck, hw: cck & ofdm */
144	WIRELESS_11_24N = BIT(3), /*  tx: MCS only, rx: MCS & cck, hw: MCS & cck */
145	WIRELESS_AUTO = BIT(5),
146
147	/* Combination */
148	/* Type for current wireless mode */
149	WIRELESS_11BG = (WIRELESS_11B|WIRELESS_11G), /*  tx: cck & ofdm, rx: cck & ofdm & MCS, hw: cck & ofdm */
150	WIRELESS_11G_24N = (WIRELESS_11G|WIRELESS_11_24N), /*  tx: ofdm & MCS, rx: ofdm & cck & MCS, hw: cck & ofdm */
151	WIRELESS_11B_24N = (WIRELESS_11B|WIRELESS_11_24N), /*  tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
152	WIRELESS_11BG_24N = (WIRELESS_11B|WIRELESS_11G|WIRELESS_11_24N), /*  tx: ofdm & cck & MCS, rx: ofdm & cck & MCS, hw: ofdm & cck */
153};
154
155#define SUPPORTED_24G_NETTYPE_MSK (WIRELESS_11B | WIRELESS_11G | WIRELESS_11_24N)
156
157#define is_legacy_only(net_type)  ((net_type) == ((net_type) & (WIRELESS_11BG)))
158
159#define is_supported_24g(net_type) ((net_type) & SUPPORTED_24G_NETTYPE_MSK ? true : false)
160
161#define is_supported_tx_cck(net_type) (((net_type) & (WIRELESS_11B)) ? true : false)
162#define is_supported_ht(net_type) (((net_type) & (WIRELESS_11_24N)) ? true : false)
163
164struct ieee_param {
165	u32 cmd;
166	u8 sta_addr[ETH_ALEN];
167	union {
168		struct {
169			u8 name;
170			u32 value;
171		} wpa_param;
172		struct {
173			u32 len;
174			u8 reserved[32];
175			u8 data[];
176		} wpa_ie;
177		struct{
178			int command;
179			int reason_code;
180		} mlme;
181		struct {
182			u8 alg[IEEE_CRYPT_ALG_NAME_LEN];
183			u8 set_tx;
184			u32 err;
185			u8 idx;
186			u8 seq[8]; /* sequence counter (set: RX, get: TX) */
187			u16 key_len;
188			u8 key[];
189		} crypt;
190		struct {
191			u16 aid;
192			u16 capability;
193			int flags;
194			u8 tx_supp_rates[16];
195			struct ieee80211_ht_cap ht_cap;
196		} add_sta;
197		struct {
198			u8 reserved[2];/* for set max_num_sta */
199			u8 buf[];
200		} bcn_ie;
201	} u;
202};
203
204struct ieee_param_ex {
205	u32 cmd;
206	u8 sta_addr[ETH_ALEN];
207	u8 data[];
208};
209
210struct sta_data {
211	u16 aid;
212	u16 capability;
213	int flags;
214	u32 sta_set;
215	u8 tx_supp_rates[16];
216	u32 tx_supp_rates_len;
217	struct ieee80211_ht_cap ht_cap;
218	u64	rx_pkts;
219	u64	rx_bytes;
220	u64	rx_drops;
221	u64	tx_pkts;
222	u64	tx_bytes;
223	u64	tx_drops;
224};
225
226/* this is stolen from ipw2200 driver */
227#define IEEE_IBSS_MAC_HASH_SIZE 31
228
229struct eapol {
230	u8 snap[6];
231	u16 ethertype;
232	u8 version;
233	u8 type;
234	u16 length;
235} __attribute__ ((packed));
236
237#define IEEE80211_FCS_LEN    4
238
239#define MIN_FRAG_THRESHOLD     256U
240#define	MAX_FRAG_THRESHOLD     2346U
241
242/* sequence control field */
243#define RTW_IEEE80211_SCTL_FRAG	0x000F
244#define RTW_IEEE80211_SCTL_SEQ	0xFFF0
245
246
247#define RTW_ERP_INFO_NON_ERP_PRESENT BIT(0)
248#define RTW_ERP_INFO_USE_PROTECTION BIT(1)
249#define RTW_ERP_INFO_BARKER_PREAMBLE_MODE BIT(2)
250
251/* QoS, QOS */
252#define NORMAL_ACK			0
253#define NO_ACK				1
254#define NON_EXPLICIT_ACK	2
255#define BLOCK_ACK			3
256
257#ifndef ETH_P_PAE
258#define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
259#endif /* ETH_P_PAE */
260
261#define ETH_P_PREAUTH 0x88C7 /* IEEE 802.11i pre-authentication */
262
263#define ETH_P_ECONET	0x0018
264
265#ifndef ETH_P_80211_RAW
266#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
267#endif
268
269/* IEEE 802.11 defines */
270
271#define P80211_OUI_LEN 3
272
273struct ieee80211_snap_hdr {
274	u8    dsap;   /* always 0xAA */
275	u8    ssap;   /* always 0xAA */
276	u8    ctrl;   /* always 0x03 */
277	u8    oui[P80211_OUI_LEN];    /* organizational universal id */
278} __attribute__ ((packed));
279
280#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
281
282#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
283#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
284
285#define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
286
287#define WLAN_GET_SEQ_FRAG(seq) ((seq) & RTW_IEEE80211_SCTL_FRAG)
288#define WLAN_GET_SEQ_SEQ(seq)  ((seq) & RTW_IEEE80211_SCTL_SEQ)
289
290/* Reason codes */
291#define WLAN_REASON_ACTIVE_ROAM 65533
292#define WLAN_REASON_JOIN_WRONG_CHANNEL       65534
293#define WLAN_REASON_EXPIRATION_CHK 65535
294
295#define IEEE80211_MGMT_HDR_LEN 24
296#define IEEE80211_DATA_HDR3_LEN 24
297#define IEEE80211_DATA_HDR4_LEN 30
298
299
300#define IEEE80211_STATMASK_SIGNAL (1<<0)
301#define IEEE80211_STATMASK_RSSI (1<<1)
302#define IEEE80211_STATMASK_NOISE (1<<2)
303#define IEEE80211_STATMASK_RATE (1<<3)
304#define IEEE80211_STATMASK_WEMASK 0x7
305
306
307#define IEEE80211_CCK_MODULATION    (1<<0)
308#define IEEE80211_OFDM_MODULATION   (1<<1)
309
310#define IEEE80211_24GHZ_BAND     (1<<0)
311#define IEEE80211_52GHZ_BAND     (1<<1)
312
313#define IEEE80211_CCK_RATE_LEN			4
314#define IEEE80211_NUM_OFDM_RATESLEN	8
315
316
317#define IEEE80211_CCK_RATE_1MB		        0x02
318#define IEEE80211_CCK_RATE_2MB		        0x04
319#define IEEE80211_CCK_RATE_5MB		        0x0B
320#define IEEE80211_CCK_RATE_11MB		        0x16
321#define IEEE80211_OFDM_RATE_LEN			8
322#define IEEE80211_OFDM_RATE_6MB		        0x0C
323#define IEEE80211_OFDM_RATE_9MB		        0x12
324#define IEEE80211_OFDM_RATE_12MB		0x18
325#define IEEE80211_OFDM_RATE_18MB		0x24
326#define IEEE80211_OFDM_RATE_24MB		0x30
327#define IEEE80211_OFDM_RATE_36MB		0x48
328#define IEEE80211_OFDM_RATE_48MB		0x60
329#define IEEE80211_OFDM_RATE_54MB		0x6C
330#define IEEE80211_BASIC_RATE_MASK		0x80
331
332#define IEEE80211_CCK_RATE_1MB_MASK		(1<<0)
333#define IEEE80211_CCK_RATE_2MB_MASK		(1<<1)
334#define IEEE80211_CCK_RATE_5MB_MASK		(1<<2)
335#define IEEE80211_CCK_RATE_11MB_MASK		(1<<3)
336#define IEEE80211_OFDM_RATE_6MB_MASK		(1<<4)
337#define IEEE80211_OFDM_RATE_9MB_MASK		(1<<5)
338#define IEEE80211_OFDM_RATE_12MB_MASK		(1<<6)
339#define IEEE80211_OFDM_RATE_18MB_MASK		(1<<7)
340#define IEEE80211_OFDM_RATE_24MB_MASK		(1<<8)
341#define IEEE80211_OFDM_RATE_36MB_MASK		(1<<9)
342#define IEEE80211_OFDM_RATE_48MB_MASK		(1<<10)
343#define IEEE80211_OFDM_RATE_54MB_MASK		(1<<11)
344
345#define IEEE80211_CCK_RATES_MASK		0x0000000F
346#define IEEE80211_CCK_BASIC_RATES_MASK	(IEEE80211_CCK_RATE_1MB_MASK | \
347	IEEE80211_CCK_RATE_2MB_MASK)
348#define IEEE80211_CCK_DEFAULT_RATES_MASK	\
349	(IEEE80211_CCK_BASIC_RATES_MASK |	\
350	 IEEE80211_CCK_RATE_5MB_MASK |		\
351	 IEEE80211_CCK_RATE_11MB_MASK)
352
353#define IEEE80211_OFDM_RATES_MASK		0x00000FF0
354#define IEEE80211_OFDM_BASIC_RATES_MASK	(IEEE80211_OFDM_RATE_6MB_MASK | \
355	IEEE80211_OFDM_RATE_12MB_MASK | \
356	IEEE80211_OFDM_RATE_24MB_MASK)
357#define IEEE80211_OFDM_DEFAULT_RATES_MASK	(IEEE80211_OFDM_BASIC_RATES_MASK | \
358	IEEE80211_OFDM_RATE_9MB_MASK  | \
359	IEEE80211_OFDM_RATE_18MB_MASK | \
360	IEEE80211_OFDM_RATE_36MB_MASK | \
361	IEEE80211_OFDM_RATE_48MB_MASK | \
362	IEEE80211_OFDM_RATE_54MB_MASK)
363#define IEEE80211_DEFAULT_RATES_MASK		\
364	(IEEE80211_OFDM_DEFAULT_RATES_MASK |	\
365	 IEEE80211_CCK_DEFAULT_RATES_MASK)
366
367#define IEEE80211_NUM_OFDM_RATES	    8
368#define IEEE80211_NUM_CCK_RATES	            4
369#define IEEE80211_OFDM_SHIFT_MASK_A         4
370
371
372enum {
373	MGN_1M		= 0x02,
374	MGN_2M		= 0x04,
375	MGN_5_5M	= 0x0B,
376	MGN_6M		= 0x0C,
377	MGN_9M		= 0x12,
378	MGN_11M		= 0x16,
379	MGN_12M	= 0x18,
380	MGN_18M	= 0x24,
381	MGN_24M	= 0x30,
382	MGN_36M	= 0x48,
383	MGN_48M	= 0x60,
384	MGN_54M	= 0x6C,
385	MGN_MCS32	= 0x7F,
386	MGN_MCS0,
387	MGN_MCS1,
388	MGN_MCS2,
389	MGN_MCS3,
390	MGN_MCS4,
391	MGN_MCS5,
392	MGN_MCS6,
393	MGN_MCS7,
394	MGN_UNKNOWN
395};
396
397#define IS_HT_RATE(_rate)				(_rate >= MGN_MCS0 && _rate <= MGN_MCS31)
398#define IS_CCK_RATE(_rate)				(MGN_1M == _rate || _rate == MGN_2M || _rate == MGN_5_5M || _rate == MGN_11M)
399#define IS_OFDM_RATE(_rate)				(MGN_6M <= _rate && _rate <= MGN_54M  && _rate != MGN_11M)
400
401
402/* NOTE: This data is for statistical purposes; not all hardware provides this
403 *       information for frames received.  Not setting these will not cause
404 *       any adverse affects. */
405
406/* IEEE 802.11 requires that STA supports concurrent reception of at least
407 * three fragmented frames. This define can be increased to support more
408 * concurrent frames, but it should be noted that each entry can consume about
409 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
410#define IEEE80211_FRAG_CACHE_LEN 4
411
412#define SEC_KEY_1         (1<<0)
413#define SEC_KEY_2         (1<<1)
414#define SEC_KEY_3         (1<<2)
415#define SEC_KEY_4         (1<<3)
416#define SEC_ACTIVE_KEY    (1<<4)
417#define SEC_AUTH_MODE     (1<<5)
418#define SEC_UNICAST_GROUP (1<<6)
419#define SEC_LEVEL         (1<<7)
420#define SEC_ENABLED       (1<<8)
421
422#define SEC_LEVEL_0      0 /* None */
423#define SEC_LEVEL_1      1 /* WEP 40 and 104 bit */
424#define SEC_LEVEL_2      2 /* Level 1 + TKIP */
425#define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
426#define SEC_LEVEL_3      4 /* Level 2 + CCMP */
427
428#define WEP_KEYS 4
429#define WEP_KEY_LEN 13
430
431#define BIP_MAX_KEYID 5
432#define BIP_AAD_SIZE  20
433
434/*
435
436 802.11 data frame from AP
437
438      ,-------------------------------------------------------------------.
439Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
440      |------|------|---------|---------|---------|------|---------|------|
441Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
442      |      | tion | (BSSID) |         |         | ence |  data   |      |
443      `-------------------------------------------------------------------'
444
445Total: 28-2340 bytes
446
447*/
448
449#define BEACON_PROBE_SSID_ID_POSITION 12
450
451/* Management Frame Information Element Types */
452#define MFIE_TYPE_SSID       0
453#define MFIE_TYPE_RATES      1
454#define MFIE_TYPE_FH_SET     2
455#define MFIE_TYPE_DS_SET     3
456#define MFIE_TYPE_CF_SET     4
457#define MFIE_TYPE_TIM        5
458#define MFIE_TYPE_IBSS_SET   6
459#define MFIE_TYPE_CHALLENGE  16
460#define MFIE_TYPE_ERP        42
461#define MFIE_TYPE_RSN	     48
462#define MFIE_TYPE_RATES_EX   50
463#define MFIE_TYPE_GENERIC    221
464
465/* SWEEP TABLE ENTRIES NUMBER*/
466#define MAX_SWEEP_TAB_ENTRIES		  42
467#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
468/* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
469 * only use 8, and then use extended rates for the remaining supported
470 * rates.  Other APs, however, stick all of their supported rates on the
471 * main rates information element... */
472#define MAX_RATES_LENGTH                  ((u8)12)
473#define MAX_RATES_EX_LENGTH               ((u8)16)
474#define MAX_NETWORK_COUNT                  128
475#define MAX_CHANNEL_NUMBER                 161
476#define IEEE80211_SOFTMAC_SCAN_TIME	  400
477/* HZ / 2) */
478#define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
479
480#define CRC_LENGTH                 4U
481
482#define MAX_WPA_IE_LEN (256)
483#define MAX_WPS_IE_LEN (512)
484#define MAX_P2P_IE_LEN (256)
485#define MAX_WFD_IE_LEN (128)
486
487#define NETWORK_EMPTY_ESSID (1<<0)
488#define NETWORK_HAS_OFDM    (1<<1)
489#define NETWORK_HAS_CCK     (1<<2)
490
491#define IEEE80211_DTIM_MBCAST 4
492#define IEEE80211_DTIM_UCAST 2
493#define IEEE80211_DTIM_VALID 1
494#define IEEE80211_DTIM_INVALID 0
495
496#define IEEE80211_PS_DISABLED 0
497#define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
498#define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
499#define IW_ESSID_MAX_SIZE 32
500/*
501join_res:
502-1: authentication fail
503-2: association fail
504> 0: TID
505*/
506
507#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
508#define DEFAULT_FTS 2346
509#define MAC_ARG(x) (x)
510#define IP_ARG(x) (x)
511
512static inline int is_multicast_mac_addr(const u8 *addr)
513{
514	return ((addr[0] != 0xff) && (0x01 & addr[0]));
515}
516
517static inline int is_broadcast_mac_addr(const u8 *addr)
518{
519	return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) &&   \
520		(addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
521}
522
523static inline int is_zero_mac_addr(const u8 *addr)
524{
525	return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) &&   \
526		(addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00));
527}
528
529#define CFG_IEEE80211_RESERVE_FCS (1<<0)
530#define CFG_IEEE80211_COMPUTE_FCS (1<<1)
531
532#define MAXTID	16
533
534#define IEEE_A            (1<<0)
535#define IEEE_B            (1<<1)
536#define IEEE_G            (1<<2)
537#define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
538
539/* Action category code */
540enum {
541	RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
542	RTW_WLAN_CATEGORY_QOS = 1,
543	RTW_WLAN_CATEGORY_DLS = 2,
544	RTW_WLAN_CATEGORY_BACK = 3,
545	RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */
546	RTW_WLAN_CATEGORY_RADIO_MEASUREMENT  = 5,
547	RTW_WLAN_CATEGORY_FT = 6,
548	RTW_WLAN_CATEGORY_HT = 7,
549	RTW_WLAN_CATEGORY_SA_QUERY = 8,
550	RTW_WLAN_CATEGORY_UNPROTECTED_WNM = 11, /*  add for CONFIG_IEEE80211W, none 11w also can use */
551	RTW_WLAN_CATEGORY_TDLS = 12,
552	RTW_WLAN_CATEGORY_SELF_PROTECTED = 15, /*  add for CONFIG_IEEE80211W, none 11w also can use */
553	RTW_WLAN_CATEGORY_WMM = 17,
554	RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
555};
556
557enum {
558	ACT_PUBLIC_BSSCOEXIST = 0, /*  20/40 BSS Coexistence */
559	ACT_PUBLIC_DSE_ENABLE = 1,
560	ACT_PUBLIC_DSE_DEENABLE = 2,
561	ACT_PUBLIC_DSE_REG_LOCATION = 3,
562	ACT_PUBLIC_EXT_CHL_SWITCH = 4,
563	ACT_PUBLIC_DSE_MSR_REQ = 5,
564	ACT_PUBLIC_DSE_MSR_RPRT = 6,
565	ACT_PUBLIC_MP = 7, /*  Measurement Pilot */
566	ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
567	ACT_PUBLIC_VENDOR = 9, /*  for WIFI_DIRECT */
568	ACT_PUBLIC_GAS_INITIAL_REQ = 10,
569	ACT_PUBLIC_GAS_INITIAL_RSP = 11,
570	ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
571	ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
572	ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
573	ACT_PUBLIC_LOCATION_TRACK = 15,
574	ACT_PUBLIC_MAX
575};
576
577#define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
578				* 00:50:F2 */
579#define WME_OUI_TYPE 2
580#define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
581#define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
582#define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
583#define WME_VERSION 1
584
585#define WME_ACTION_CODE_SETUP_REQUEST 0
586#define WME_ACTION_CODE_SETUP_RESPONSE 1
587#define WME_ACTION_CODE_TEARDOWN 2
588
589#define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
590#define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
591#define WME_SETUP_RESPONSE_STATUS_REFUSED 3
592
593#define WME_TSPEC_DIRECTION_UPLINK 0
594#define WME_TSPEC_DIRECTION_DOWNLINK 1
595#define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
596
597
598#define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
599
600#define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
601
602/**
603 * enum rtw_ieee80211_channel_flags - channel flags
604 *
605 * Channel flags set by the regulatory control code.
606 *
607 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
608 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
609 *      on this channel.
610 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
611 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
612 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
613 *      is not permitted.
614 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
615 *      is not permitted.
616 */
617enum rtw_ieee80211_channel_flags {
618	RTW_IEEE80211_CHAN_DISABLED         = 1<<0,
619	RTW_IEEE80211_CHAN_PASSIVE_SCAN     = 1<<1,
620	RTW_IEEE80211_CHAN_NO_IBSS          = 1<<2,
621	RTW_IEEE80211_CHAN_RADAR            = 1<<3,
622	RTW_IEEE80211_CHAN_NO_HT40PLUS      = 1<<4,
623	RTW_IEEE80211_CHAN_NO_HT40MINUS     = 1<<5,
624};
625
626#define RTW_IEEE80211_CHAN_NO_HT40	  \
627	(RTW_IEEE80211_CHAN_NO_HT40PLUS | \
628	 RTW_IEEE80211_CHAN_NO_HT40MINUS)
629
630/* Represent channel details, subset of ieee80211_channel */
631struct rtw_ieee80211_channel {
632	/* enum nl80211_band band; */
633	/* u16 center_freq; */
634	u16 hw_value;
635	u32 flags;
636	/* int max_antenna_gain; */
637	/* int max_power; */
638	/* int max_reg_power; */
639	/* bool beacon_found; */
640	/* u32 orig_flags; */
641	/* int orig_mag; */
642	/* int orig_mpwr; */
643};
644
645#define CHAN_FMT \
646	/*"band:%d, "*/ \
647	/*"center_freq:%u, "*/ \
648	"hw_value:%u, " \
649	"flags:0x%08x" \
650	/*"max_antenna_gain:%d\n"*/ \
651	/*"max_power:%d\n"*/ \
652	/*"max_reg_power:%d\n"*/ \
653	/*"beacon_found:%u\n"*/ \
654	/*"orig_flags:0x%08x\n"*/ \
655	/*"orig_mag:%d\n"*/ \
656	/*"orig_mpwr:%d\n"*/
657
658#define CHAN_ARG(channel) \
659	/*(channel)->band*/ \
660	/*, (channel)->center_freq*/ \
661	(channel)->hw_value \
662	, (channel)->flags \
663	/*, (channel)->max_antenna_gain*/ \
664	/*, (channel)->max_power*/ \
665	/*, (channel)->max_reg_power*/ \
666	/*, (channel)->beacon_found*/ \
667	/*, (channel)->orig_flags*/ \
668	/*, (channel)->orig_mag*/ \
669	/*, (channel)->orig_mpwr*/ \
670
671/* Parsed Information Elements */
672struct rtw_ieee802_11_elems {
673	u8 *ssid;
674	u8 ssid_len;
675	u8 *supp_rates;
676	u8 supp_rates_len;
677	u8 *fh_params;
678	u8 fh_params_len;
679	u8 *ds_params;
680	u8 ds_params_len;
681	u8 *cf_params;
682	u8 cf_params_len;
683	u8 *tim;
684	u8 tim_len;
685	u8 *ibss_params;
686	u8 ibss_params_len;
687	u8 *challenge;
688	u8 challenge_len;
689	u8 *erp_info;
690	u8 erp_info_len;
691	u8 *ext_supp_rates;
692	u8 ext_supp_rates_len;
693	u8 *wpa_ie;
694	u8 wpa_ie_len;
695	u8 *rsn_ie;
696	u8 rsn_ie_len;
697	u8 *wme;
698	u8 wme_len;
699	u8 *wme_tspec;
700	u8 wme_tspec_len;
701	u8 *wps_ie;
702	u8 wps_ie_len;
703	u8 *power_cap;
704	u8 power_cap_len;
705	u8 *supp_channels;
706	u8 supp_channels_len;
707	u8 *mdie;
708	u8 mdie_len;
709	u8 *ftie;
710	u8 ftie_len;
711	u8 *timeout_int;
712	u8 timeout_int_len;
713	u8 *ht_capabilities;
714	u8 ht_capabilities_len;
715	u8 *ht_operation;
716	u8 ht_operation_len;
717	u8 *vendor_ht_cap;
718	u8 vendor_ht_cap_len;
719	u8 *vht_capabilities;
720	u8 vht_capabilities_len;
721	u8 *vht_operation;
722	u8 vht_operation_len;
723	u8 *vht_op_mode_notify;
724	u8 vht_op_mode_notify_len;
725};
726
727enum ParseRes { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 };
728
729enum ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
730				struct rtw_ieee802_11_elems *elems,
731				int show_errors);
732
733u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source, unsigned int *frlen);
734u8 *rtw_set_ie(u8 *pbuf, signed int index, uint len, u8 *source, uint *frlen);
735
736u8 *rtw_get_ie(u8 *pbuf, signed int index, signed int *len, signed int limit);
737u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen);
738int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len);
739
740void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
741
742unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit);
743unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit);
744int rtw_get_wpa_cipher_suite(u8 *s);
745int rtw_get_wpa2_cipher_suite(u8 *s);
746int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
747int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x);
748int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x);
749
750void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len);
751
752u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
753u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_attr, u32 *len_attr);
754u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_content, uint *len_content);
755
756/**
757 * for_each_ie - iterate over continuous IEs
758 * @ie:
759 * @buf:
760 * @buf_len:
761 */
762#define for_each_ie(ie, buf, buf_len) \
763	for (ie = (void *)buf; (((u8 *)ie) - ((u8 *)buf) + 1) < buf_len; \
764		ie = (void *)(((u8 *)ie) + *(((u8 *)ie) + 1) + 2))
765
766uint	rtw_get_rateset_len(u8 *rateset);
767
768struct registry_priv;
769int rtw_generate_ie(struct registry_priv *pregistrypriv);
770
771
772int rtw_get_bit_value_from_ieee_value(u8 val);
773
774bool rtw_is_cckrates_included(u8 *rate);
775
776bool rtw_is_cckratesonly_included(u8 *rate);
777
778int rtw_check_network_type(unsigned char *rate, int ratelen, int channel);
779
780void rtw_get_bcn_info(struct wlan_network *pnetwork);
781
782void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr);
783
784u16 rtw_mcs_rate(u8 bw_40MHz, u8 short_GI, unsigned char *MCS_rate);
785
786int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action);
787const char *action_public_str(u8 action);
788
789#endif /* IEEE80211_H */
790