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_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
100 extern u8 RTW_WPA_OUI_TYPE[];
101 extern u16 RTW_WPA_VERSION;
102 extern u8 WPA_AUTH_KEY_MGMT_NONE[];
103 extern u8 WPA_AUTH_KEY_MGMT_UNSPEC_802_1X[];
104 extern u8 WPA_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
105 extern u8 WPA_CIPHER_SUITE_NONE[];
106 extern u8 WPA_CIPHER_SUITE_WEP40[];
107 extern u8 WPA_CIPHER_SUITE_TKIP[];
108 extern u8 WPA_CIPHER_SUITE_WRAP[];
109 extern u8 WPA_CIPHER_SUITE_CCMP[];
110 extern u8 WPA_CIPHER_SUITE_WEP104[];
111
112
113 #define RSN_HEADER_LEN 4
114 #define RSN_SELECTOR_LEN 4
115
116 extern u16 RSN_VERSION_BSD;
117 extern u8 RSN_AUTH_KEY_MGMT_UNSPEC_802_1X[];
118 extern u8 RSN_AUTH_KEY_MGMT_PSK_OVER_802_1X[];
119 extern u8 RSN_CIPHER_SUITE_NONE[];
120 extern u8 RSN_CIPHER_SUITE_WEP40[];
121 extern u8 RSN_CIPHER_SUITE_TKIP[];
122 extern u8 RSN_CIPHER_SUITE_WRAP[];
123 extern u8 RSN_CIPHER_SUITE_CCMP[];
124 extern u8 RSN_CIPHER_SUITE_WEP104[];
125
126
127 enum {
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
139 enum 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
164 struct 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
204 struct ieee_param_ex {
205 u32 cmd;
206 u8 sta_addr[ETH_ALEN];
207 u8 data[];
208 };
209
210 struct 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
229 struct 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
273 struct 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 (IEEE80211_CCK_BASIC_RATES_MASK | \
349 IEEE80211_CCK_RATE_5MB_MASK | \
350 IEEE80211_CCK_RATE_11MB_MASK)
351
352 #define IEEE80211_OFDM_RATES_MASK 0x00000FF0
353 #define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
354 IEEE80211_OFDM_RATE_12MB_MASK | \
355 IEEE80211_OFDM_RATE_24MB_MASK)
356 #define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
357 IEEE80211_OFDM_RATE_9MB_MASK | \
358 IEEE80211_OFDM_RATE_18MB_MASK | \
359 IEEE80211_OFDM_RATE_36MB_MASK | \
360 IEEE80211_OFDM_RATE_48MB_MASK | \
361 IEEE80211_OFDM_RATE_54MB_MASK)
362 #define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
363 IEEE80211_CCK_DEFAULT_RATES_MASK)
364
365 #define IEEE80211_NUM_OFDM_RATES 8
366 #define IEEE80211_NUM_CCK_RATES 4
367 #define IEEE80211_OFDM_SHIFT_MASK_A 4
368
369
370 enum {
371 MGN_1M = 0x02,
372 MGN_2M = 0x04,
373 MGN_5_5M = 0x0B,
374 MGN_6M = 0x0C,
375 MGN_9M = 0x12,
376 MGN_11M = 0x16,
377 MGN_12M = 0x18,
378 MGN_18M = 0x24,
379 MGN_24M = 0x30,
380 MGN_36M = 0x48,
381 MGN_48M = 0x60,
382 MGN_54M = 0x6C,
383 MGN_MCS32 = 0x7F,
384 MGN_MCS0,
385 MGN_MCS1,
386 MGN_MCS2,
387 MGN_MCS3,
388 MGN_MCS4,
389 MGN_MCS5,
390 MGN_MCS6,
391 MGN_MCS7,
392 MGN_UNKNOWN
393 };
394
395 #define IS_HT_RATE(_rate) (_rate >= MGN_MCS0 && _rate <= MGN_MCS31)
396 #define IS_CCK_RATE(_rate) (MGN_1M == _rate || _rate == MGN_2M || _rate == MGN_5_5M || _rate == MGN_11M)
397 #define IS_OFDM_RATE(_rate) (MGN_6M <= _rate && _rate <= MGN_54M && _rate != MGN_11M)
398
399
400 /* NOTE: This data is for statistical purposes; not all hardware provides this
401 * information for frames received. Not setting these will not cause
402 * any adverse affects. */
403
404 /* IEEE 802.11 requires that STA supports concurrent reception of at least
405 * three fragmented frames. This define can be increased to support more
406 * concurrent frames, but it should be noted that each entry can consume about
407 * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
408 #define IEEE80211_FRAG_CACHE_LEN 4
409
410 #define SEC_KEY_1 (1<<0)
411 #define SEC_KEY_2 (1<<1)
412 #define SEC_KEY_3 (1<<2)
413 #define SEC_KEY_4 (1<<3)
414 #define SEC_ACTIVE_KEY (1<<4)
415 #define SEC_AUTH_MODE (1<<5)
416 #define SEC_UNICAST_GROUP (1<<6)
417 #define SEC_LEVEL (1<<7)
418 #define SEC_ENABLED (1<<8)
419
420 #define SEC_LEVEL_0 0 /* None */
421 #define SEC_LEVEL_1 1 /* WEP 40 and 104 bit */
422 #define SEC_LEVEL_2 2 /* Level 1 + TKIP */
423 #define SEC_LEVEL_2_CKIP 3 /* Level 1 + CKIP */
424 #define SEC_LEVEL_3 4 /* Level 2 + CCMP */
425
426 #define WEP_KEYS 4
427 #define WEP_KEY_LEN 13
428
429 #define BIP_MAX_KEYID 5
430 #define BIP_AAD_SIZE 20
431
432 /*
433
434 802.11 data frame from AP
435
436 ,-------------------------------------------------------------------.
437 Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
438 |------|------|---------|---------|---------|------|---------|------|
439 Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
440 | | tion | (BSSID) | | | ence | data | |
441 `-------------------------------------------------------------------'
442
443 Total: 28-2340 bytes
444
445 */
446
447 #define BEACON_PROBE_SSID_ID_POSITION 12
448
449 /* Management Frame Information Element Types */
450 #define MFIE_TYPE_SSID 0
451 #define MFIE_TYPE_RATES 1
452 #define MFIE_TYPE_FH_SET 2
453 #define MFIE_TYPE_DS_SET 3
454 #define MFIE_TYPE_CF_SET 4
455 #define MFIE_TYPE_TIM 5
456 #define MFIE_TYPE_IBSS_SET 6
457 #define MFIE_TYPE_CHALLENGE 16
458 #define MFIE_TYPE_ERP 42
459 #define MFIE_TYPE_RSN 48
460 #define MFIE_TYPE_RATES_EX 50
461 #define MFIE_TYPE_GENERIC 221
462
463 /* SWEEP TABLE ENTRIES NUMBER*/
464 #define MAX_SWEEP_TAB_ENTRIES 42
465 #define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
466 /* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
467 * only use 8, and then use extended rates for the remaining supported
468 * rates. Other APs, however, stick all of their supported rates on the
469 * main rates information element... */
470 #define MAX_RATES_LENGTH ((u8)12)
471 #define MAX_RATES_EX_LENGTH ((u8)16)
472 #define MAX_NETWORK_COUNT 128
473 #define MAX_CHANNEL_NUMBER 161
474 #define IEEE80211_SOFTMAC_SCAN_TIME 400
475 /* HZ / 2) */
476 #define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
477
478 #define CRC_LENGTH 4U
479
480 #define MAX_WPA_IE_LEN (256)
481 #define MAX_WPS_IE_LEN (512)
482 #define MAX_P2P_IE_LEN (256)
483 #define MAX_WFD_IE_LEN (128)
484
485 #define NETWORK_EMPTY_ESSID (1<<0)
486 #define NETWORK_HAS_OFDM (1<<1)
487 #define NETWORK_HAS_CCK (1<<2)
488
489 #define IEEE80211_DTIM_MBCAST 4
490 #define IEEE80211_DTIM_UCAST 2
491 #define IEEE80211_DTIM_VALID 1
492 #define IEEE80211_DTIM_INVALID 0
493
494 #define IEEE80211_PS_DISABLED 0
495 #define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
496 #define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
497 #define IW_ESSID_MAX_SIZE 32
498 /*
499 join_res:
500 -1: authentication fail
501 -2: association fail
502 > 0: TID
503 */
504
505 #define DEFAULT_MAX_SCAN_AGE (15 * HZ)
506 #define DEFAULT_FTS 2346
507 #define MAC_ARG(x) (x)
508 #define IP_ARG(x) (x)
509
is_multicast_mac_addr(const u8 * addr)510 static inline int is_multicast_mac_addr(const u8 *addr)
511 {
512 return ((addr[0] != 0xff) && (0x01 & addr[0]));
513 }
514
is_broadcast_mac_addr(const u8 * addr)515 static inline int is_broadcast_mac_addr(const u8 *addr)
516 {
517 return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) && \
518 (addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
519 }
520
is_zero_mac_addr(const u8 * addr)521 static inline int is_zero_mac_addr(const u8 *addr)
522 {
523 return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && \
524 (addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00));
525 }
526
527 #define CFG_IEEE80211_RESERVE_FCS (1<<0)
528 #define CFG_IEEE80211_COMPUTE_FCS (1<<1)
529
530 #define MAXTID 16
531
532 #define IEEE_A (1<<0)
533 #define IEEE_B (1<<1)
534 #define IEEE_G (1<<2)
535 #define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
536
537 /* Action category code */
538 enum {
539 RTW_WLAN_CATEGORY_SPECTRUM_MGMT = 0,
540 RTW_WLAN_CATEGORY_QOS = 1,
541 RTW_WLAN_CATEGORY_DLS = 2,
542 RTW_WLAN_CATEGORY_BACK = 3,
543 RTW_WLAN_CATEGORY_PUBLIC = 4, /* IEEE 802.11 public action frames */
544 RTW_WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
545 RTW_WLAN_CATEGORY_FT = 6,
546 RTW_WLAN_CATEGORY_HT = 7,
547 RTW_WLAN_CATEGORY_SA_QUERY = 8,
548 RTW_WLAN_CATEGORY_UNPROTECTED_WNM = 11, /* add for CONFIG_IEEE80211W, none 11w also can use */
549 RTW_WLAN_CATEGORY_TDLS = 12,
550 RTW_WLAN_CATEGORY_SELF_PROTECTED = 15, /* add for CONFIG_IEEE80211W, none 11w also can use */
551 RTW_WLAN_CATEGORY_WMM = 17,
552 RTW_WLAN_CATEGORY_P2P = 0x7f,/* P2P action frames */
553 };
554
555 enum {
556 ACT_PUBLIC_BSSCOEXIST = 0, /* 20/40 BSS Coexistence */
557 ACT_PUBLIC_DSE_ENABLE = 1,
558 ACT_PUBLIC_DSE_DEENABLE = 2,
559 ACT_PUBLIC_DSE_REG_LOCATION = 3,
560 ACT_PUBLIC_EXT_CHL_SWITCH = 4,
561 ACT_PUBLIC_DSE_MSR_REQ = 5,
562 ACT_PUBLIC_DSE_MSR_RPRT = 6,
563 ACT_PUBLIC_MP = 7, /* Measurement Pilot */
564 ACT_PUBLIC_DSE_PWR_CONSTRAINT = 8,
565 ACT_PUBLIC_VENDOR = 9, /* for WIFI_DIRECT */
566 ACT_PUBLIC_GAS_INITIAL_REQ = 10,
567 ACT_PUBLIC_GAS_INITIAL_RSP = 11,
568 ACT_PUBLIC_GAS_COMEBACK_REQ = 12,
569 ACT_PUBLIC_GAS_COMEBACK_RSP = 13,
570 ACT_PUBLIC_TDLS_DISCOVERY_RSP = 14,
571 ACT_PUBLIC_LOCATION_TRACK = 15,
572 ACT_PUBLIC_MAX
573 };
574
575 #define OUI_MICROSOFT 0x0050f2 /* Microsoft (also used in Wi-Fi specs)
576 * 00:50:F2 */
577 #define WME_OUI_TYPE 2
578 #define WME_OUI_SUBTYPE_INFORMATION_ELEMENT 0
579 #define WME_OUI_SUBTYPE_PARAMETER_ELEMENT 1
580 #define WME_OUI_SUBTYPE_TSPEC_ELEMENT 2
581 #define WME_VERSION 1
582
583 #define WME_ACTION_CODE_SETUP_REQUEST 0
584 #define WME_ACTION_CODE_SETUP_RESPONSE 1
585 #define WME_ACTION_CODE_TEARDOWN 2
586
587 #define WME_SETUP_RESPONSE_STATUS_ADMISSION_ACCEPTED 0
588 #define WME_SETUP_RESPONSE_STATUS_INVALID_PARAMETERS 1
589 #define WME_SETUP_RESPONSE_STATUS_REFUSED 3
590
591 #define WME_TSPEC_DIRECTION_UPLINK 0
592 #define WME_TSPEC_DIRECTION_DOWNLINK 1
593 #define WME_TSPEC_DIRECTION_BI_DIRECTIONAL 3
594
595
596 #define OUI_BROADCOM 0x00904c /* Broadcom (Epigram) */
597
598 #define VENDOR_HT_CAPAB_OUI_TYPE 0x33 /* 00-90-4c:0x33 */
599
600 /**
601 * enum rtw_ieee80211_channel_flags - channel flags
602 *
603 * Channel flags set by the regulatory control code.
604 *
605 * @RTW_IEEE80211_CHAN_DISABLED: This channel is disabled.
606 * @RTW_IEEE80211_CHAN_PASSIVE_SCAN: Only passive scanning is permitted
607 * on this channel.
608 * @RTW_IEEE80211_CHAN_NO_IBSS: IBSS is not allowed on this channel.
609 * @RTW_IEEE80211_CHAN_RADAR: Radar detection is required on this channel.
610 * @RTW_IEEE80211_CHAN_NO_HT40PLUS: extension channel above this channel
611 * is not permitted.
612 * @RTW_IEEE80211_CHAN_NO_HT40MINUS: extension channel below this channel
613 * is not permitted.
614 */
615 enum rtw_ieee80211_channel_flags {
616 RTW_IEEE80211_CHAN_DISABLED = 1<<0,
617 RTW_IEEE80211_CHAN_PASSIVE_SCAN = 1<<1,
618 RTW_IEEE80211_CHAN_NO_IBSS = 1<<2,
619 RTW_IEEE80211_CHAN_RADAR = 1<<3,
620 RTW_IEEE80211_CHAN_NO_HT40PLUS = 1<<4,
621 RTW_IEEE80211_CHAN_NO_HT40MINUS = 1<<5,
622 };
623
624 #define RTW_IEEE80211_CHAN_NO_HT40 \
625 (RTW_IEEE80211_CHAN_NO_HT40PLUS | RTW_IEEE80211_CHAN_NO_HT40MINUS)
626
627 /* Represent channel details, subset of ieee80211_channel */
628 struct rtw_ieee80211_channel {
629 /* enum nl80211_band band; */
630 /* u16 center_freq; */
631 u16 hw_value;
632 u32 flags;
633 /* int max_antenna_gain; */
634 /* int max_power; */
635 /* int max_reg_power; */
636 /* bool beacon_found; */
637 /* u32 orig_flags; */
638 /* int orig_mag; */
639 /* int orig_mpwr; */
640 };
641
642 #define CHAN_FMT \
643 /*"band:%d, "*/ \
644 /*"center_freq:%u, "*/ \
645 "hw_value:%u, " \
646 "flags:0x%08x" \
647 /*"max_antenna_gain:%d\n"*/ \
648 /*"max_power:%d\n"*/ \
649 /*"max_reg_power:%d\n"*/ \
650 /*"beacon_found:%u\n"*/ \
651 /*"orig_flags:0x%08x\n"*/ \
652 /*"orig_mag:%d\n"*/ \
653 /*"orig_mpwr:%d\n"*/
654
655 #define CHAN_ARG(channel) \
656 /*(channel)->band*/ \
657 /*, (channel)->center_freq*/ \
658 (channel)->hw_value \
659 , (channel)->flags \
660 /*, (channel)->max_antenna_gain*/ \
661 /*, (channel)->max_power*/ \
662 /*, (channel)->max_reg_power*/ \
663 /*, (channel)->beacon_found*/ \
664 /*, (channel)->orig_flags*/ \
665 /*, (channel)->orig_mag*/ \
666 /*, (channel)->orig_mpwr*/ \
667
668 /* Parsed Information Elements */
669 struct rtw_ieee802_11_elems {
670 u8 *ssid;
671 u8 ssid_len;
672 u8 *supp_rates;
673 u8 supp_rates_len;
674 u8 *fh_params;
675 u8 fh_params_len;
676 u8 *ds_params;
677 u8 ds_params_len;
678 u8 *cf_params;
679 u8 cf_params_len;
680 u8 *tim;
681 u8 tim_len;
682 u8 *ibss_params;
683 u8 ibss_params_len;
684 u8 *challenge;
685 u8 challenge_len;
686 u8 *erp_info;
687 u8 erp_info_len;
688 u8 *ext_supp_rates;
689 u8 ext_supp_rates_len;
690 u8 *wpa_ie;
691 u8 wpa_ie_len;
692 u8 *rsn_ie;
693 u8 rsn_ie_len;
694 u8 *wme;
695 u8 wme_len;
696 u8 *wme_tspec;
697 u8 wme_tspec_len;
698 u8 *wps_ie;
699 u8 wps_ie_len;
700 u8 *power_cap;
701 u8 power_cap_len;
702 u8 *supp_channels;
703 u8 supp_channels_len;
704 u8 *mdie;
705 u8 mdie_len;
706 u8 *ftie;
707 u8 ftie_len;
708 u8 *timeout_int;
709 u8 timeout_int_len;
710 u8 *ht_capabilities;
711 u8 ht_capabilities_len;
712 u8 *ht_operation;
713 u8 ht_operation_len;
714 u8 *vendor_ht_cap;
715 u8 vendor_ht_cap_len;
716 u8 *vht_capabilities;
717 u8 vht_capabilities_len;
718 u8 *vht_operation;
719 u8 vht_operation_len;
720 u8 *vht_op_mode_notify;
721 u8 vht_op_mode_notify_len;
722 };
723
724 enum ParseRes { ParseOK = 0, ParseUnknown = 1, ParseFailed = -1 };
725
726 enum ParseRes rtw_ieee802_11_parse_elems(u8 *start, uint len,
727 struct rtw_ieee802_11_elems *elems,
728 int show_errors);
729
730 u8 *rtw_set_fixed_ie(unsigned char *pbuf, unsigned int len, unsigned char *source, unsigned int *frlen);
731 u8 *rtw_set_ie(u8 *pbuf, signed int index, uint len, u8 *source, uint *frlen);
732
733 u8 *rtw_get_ie(u8 *pbuf, signed int index, signed int *len, signed int limit);
734 u8 *rtw_get_ie_ex(u8 *in_ie, uint in_len, u8 eid, u8 *oui, u8 oui_len, u8 *ie, uint *ielen);
735 int rtw_ies_remove_ie(u8 *ies, uint *ies_len, uint offset, u8 eid, u8 *oui, u8 oui_len);
736
737 void rtw_set_supported_rate(u8 *SupportedRates, uint mode);
738
739 unsigned char *rtw_get_wpa_ie(unsigned char *pie, int *wpa_ie_len, int limit);
740 unsigned char *rtw_get_wpa2_ie(unsigned char *pie, int *rsn_ie_len, int limit);
741 int rtw_get_wpa_cipher_suite(u8 *s);
742 int rtw_get_wpa2_cipher_suite(u8 *s);
743 int rtw_get_wapi_ie(u8 *in_ie, uint in_len, u8 *wapi_ie, u16 *wapi_len);
744 int rtw_parse_wpa_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x);
745 int rtw_parse_wpa2_ie(u8 *wpa_ie, int wpa_ie_len, int *group_cipher, int *pairwise_cipher, int *is_8021x);
746
747 void rtw_get_sec_ie(u8 *in_ie, uint in_len, u8 *rsn_ie, u16 *rsn_len, u8 *wpa_ie, u16 *wpa_len);
748
749 u8 *rtw_get_wps_ie(u8 *in_ie, uint in_len, u8 *wps_ie, uint *wps_ielen);
750 u8 *rtw_get_wps_attr(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_attr, u32 *len_attr);
751 u8 *rtw_get_wps_attr_content(u8 *wps_ie, uint wps_ielen, u16 target_attr_id, u8 *buf_content, uint *len_content);
752
753 /**
754 * for_each_ie - iterate over continuous IEs
755 * @ie:
756 * @buf:
757 * @buf_len:
758 */
759 #define for_each_ie(ie, buf, buf_len) \
760 for (ie = (void *)buf; (((u8 *)ie) - ((u8 *)buf) + 1) < buf_len; \
761 ie = (void *)(((u8 *)ie) + *(((u8 *)ie) + 1) + 2))
762
763 uint rtw_get_rateset_len(u8 *rateset);
764
765 struct registry_priv;
766 int rtw_generate_ie(struct registry_priv *pregistrypriv);
767
768
769 int rtw_get_bit_value_from_ieee_value(u8 val);
770
771 bool rtw_is_cckrates_included(u8 *rate);
772
773 bool rtw_is_cckratesonly_included(u8 *rate);
774
775 int rtw_check_network_type(unsigned char *rate, int ratelen, int channel);
776
777 void rtw_get_bcn_info(struct wlan_network *pnetwork);
778
779 void rtw_macaddr_cfg(struct device *dev, u8 *mac_addr);
780
781 u16 rtw_mcs_rate(u8 bw_40MHz, u8 short_GI, unsigned char *MCS_rate);
782
783 int rtw_action_frame_parse(const u8 *frame, u32 frame_len, u8 *category, u8 *action);
784 const char *action_public_str(u8 action);
785
786 #endif /* IEEE80211_H */
787