summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/intersil/p54/lmac.h
blob: 8adde6ba35ab860afc666c469b9c92b1dc321c92 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * LMAC Interface specific definitions for mac80211 Prism54 drivers
 *
 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
 * Copyright (c) 2007 - 2009, Christian Lamparter <chunkeey@web.de>
 *
 * Based on:
 * - the islsm (softmac prism54) driver, which is:
 *   Copyright 2004-2006 Jean-Baptiste Note <jbnote@gmail.com>, et al.
 *
 * - LMAC API interface header file for STLC4560 (lmac_longbow.h)
 *   Copyright (C) 2007 Conexant Systems, Inc.
 */

#ifndef LMAC_H
#define LMAC_H

enum p54_control_frame_types {
	P54_CONTROL_TYPE_SETUP = 0,
	P54_CONTROL_TYPE_SCAN,
	P54_CONTROL_TYPE_TRAP,
	P54_CONTROL_TYPE_DCFINIT,
	P54_CONTROL_TYPE_RX_KEYCACHE,
	P54_CONTROL_TYPE_TIM,
	P54_CONTROL_TYPE_PSM,
	P54_CONTROL_TYPE_TXCANCEL,
	P54_CONTROL_TYPE_TXDONE,
	P54_CONTROL_TYPE_BURST,
	P54_CONTROL_TYPE_STAT_READBACK,
	P54_CONTROL_TYPE_BBP,
	P54_CONTROL_TYPE_EEPROM_READBACK,
	P54_CONTROL_TYPE_LED,
	P54_CONTROL_TYPE_GPIO,
	P54_CONTROL_TYPE_TIMER,
	P54_CONTROL_TYPE_MODULATION,
	P54_CONTROL_TYPE_SYNTH_CONFIG,
	P54_CONTROL_TYPE_DETECTOR_VALUE,
	P54_CONTROL_TYPE_XBOW_SYNTH_CFG,
	P54_CONTROL_TYPE_CCE_QUIET,
	P54_CONTROL_TYPE_PSM_STA_UNLOCK,
	P54_CONTROL_TYPE_PCS,
	P54_CONTROL_TYPE_BT_BALANCER = 28,
	P54_CONTROL_TYPE_GROUP_ADDRESS_TABLE = 30,
	P54_CONTROL_TYPE_ARPTABLE = 31,
	P54_CONTROL_TYPE_BT_OPTIONS = 35,
};

#define P54_HDR_FLAG_CONTROL		BIT(15)
#define P54_HDR_FLAG_CONTROL_OPSET	(BIT(15) + BIT(0))
#define P54_HDR_FLAG_DATA_ALIGN		BIT(14)

#define P54_HDR_FLAG_DATA_OUT_PROMISC		BIT(0)
#define P54_HDR_FLAG_DATA_OUT_TIMESTAMP		BIT(1)
#define P54_HDR_FLAG_DATA_OUT_SEQNR		BIT(2)
#define P54_HDR_FLAG_DATA_OUT_BIT3		BIT(3)
#define P54_HDR_FLAG_DATA_OUT_BURST		BIT(4)
#define P54_HDR_FLAG_DATA_OUT_NOCANCEL		BIT(5)
#define P54_HDR_FLAG_DATA_OUT_CLEARTIM		BIT(6)
#define P54_HDR_FLAG_DATA_OUT_HITCHHIKE		BIT(7)
#define P54_HDR_FLAG_DATA_OUT_COMPRESS		BIT(8)
#define P54_HDR_FLAG_DATA_OUT_CONCAT		BIT(9)
#define P54_HDR_FLAG_DATA_OUT_PCS_ACCEPT	BIT(10)
#define P54_HDR_FLAG_DATA_OUT_WAITEOSP		BIT(11)

#define P54_HDR_FLAG_DATA_IN_FCS_GOOD		BIT(0)
#define P54_HDR_FLAG_DATA_IN_MATCH_MAC		BIT(1)
#define P54_HDR_FLAG_DATA_IN_MCBC		BIT(2)
#define P54_HDR_FLAG_DATA_IN_BEACON		BIT(3)
#define P54_HDR_FLAG_DATA_IN_MATCH_BSS		BIT(4)
#define P54_HDR_FLAG_DATA_IN_BCAST_BSS		BIT(5)
#define P54_HDR_FLAG_DATA_IN_DATA		BIT(6)
#define P54_HDR_FLAG_DATA_IN_TRUNCATED		BIT(7)
#define P54_HDR_FLAG_DATA_IN_BIT8		BIT(8)
#define P54_HDR_FLAG_DATA_IN_TRANSPARENT	BIT(9)

struct p54_hdr {
	__le16 flags;
	__le16 len;
	__le32 req_id;
	__le16 type;	/* enum p54_control_frame_types */
	u8 rts_tries;
	u8 tries;
	u8 data[];
} __packed;

#define GET_REQ_ID(skb)							\
	(((struct p54_hdr *) ((struct sk_buff *) skb)->data)->req_id)	\

#define FREE_AFTER_TX(skb)						\
	((((struct p54_hdr *) ((struct sk_buff *) skb)->data)->		\
	flags) == cpu_to_le16(P54_HDR_FLAG_CONTROL_OPSET))

#define IS_DATA_FRAME(skb)						\
	(!((((struct p54_hdr *) ((struct sk_buff *) skb)->data)->	\
	flags) & cpu_to_le16(P54_HDR_FLAG_CONTROL)))

#define GET_HW_QUEUE(skb)						\
	(((struct p54_tx_data *)((struct p54_hdr *)			\
	skb->data)->data)->hw_queue)

/*
 * shared interface ID definitions
 * The interface ID is a unique identification of a specific interface.
 * The following values are reserved: 0x0000, 0x0002, 0x0012, 0x0014, 0x0015
 */
#define IF_ID_ISL36356A			0x0001	/* ISL36356A <-> Firmware */
#define IF_ID_MVC			0x0003	/* MAC Virtual Coprocessor */
#define IF_ID_DEBUG			0x0008	/* PolDebug Interface */
#define IF_ID_PRODUCT			0x0009
#define IF_ID_OEM			0x000a
#define IF_ID_PCI3877			0x000b	/* 3877 <-> Host PCI */
#define IF_ID_ISL37704C			0x000c	/* ISL37704C <-> Fw */
#define IF_ID_ISL39000			0x000f	/* ISL39000 <-> Fw */
#define IF_ID_ISL39300A			0x0010	/* ISL39300A <-> Fw */
#define IF_ID_ISL37700_UAP		0x0016	/* ISL37700 uAP Fw <-> Fw */
#define IF_ID_ISL39000_UAP		0x0017	/* ISL39000 uAP Fw <-> Fw */
#define IF_ID_LMAC			0x001a	/* Interface exposed by LMAC */

struct exp_if {
	__le16 role;
	__le16 if_id;
	__le16 variant;
	__le16 btm_compat;
	__le16 top_compat;
} __packed;

struct dep_if {
	__le16 role;
	__le16 if_id;
	__le16 variant;
} __packed;

/* driver <-> lmac definitions */
struct p54_eeprom_lm86 {
	union {
		struct {
			__le16 offset;
			__le16 len;
			u8 data[0];
		} __packed v1;
		struct {
			__le32 offset;
			__le16 len;
			u8 magic2;
			u8 pad;
			u8 magic[4];
			u8 data[0];
		} __packed v2;
	}  __packed;
} __packed;

enum p54_rx_decrypt_status {
	P54_DECRYPT_NONE = 0,
	P54_DECRYPT_OK,
	P54_DECRYPT_NOKEY,
	P54_DECRYPT_NOMICHAEL,
	P54_DECRYPT_NOCKIPMIC,
	P54_DECRYPT_FAIL_WEP,
	P54_DECRYPT_FAIL_TKIP,
	P54_DECRYPT_FAIL_MICHAEL,
	P54_DECRYPT_FAIL_CKIPKP,
	P54_DECRYPT_FAIL_CKIPMIC,
	P54_DECRYPT_FAIL_AESCCMP
};

struct p54_rx_data {
	__le16 flags;
	__le16 len;
	__le16 freq;
	u8 antenna;
	u8 rate;
	u8 rssi;
	u8 quality;
	u8 decrypt_status;
	u8 rssi_raw;
	__le32 tsf32;
	__le32 unalloc0;
	u8 align[];
} __packed;

enum p54_trap_type {
	P54_TRAP_SCAN = 0,
	P54_TRAP_TIMER,
	P54_TRAP_BEACON_TX,
	P54_TRAP_FAA_RADIO_ON,
	P54_TRAP_FAA_RADIO_OFF,
	P54_TRAP_RADAR,
	P54_TRAP_NO_BEACON,
	P54_TRAP_TBTT,
	P54_TRAP_SCO_ENTER,
	P54_TRAP_SCO_EXIT
};

struct p54_trap {
	__le16 event;
	__le16 frequency;
} __packed;

enum p54_frame_sent_status {
	P54_TX_OK = 0,
	P54_TX_FAILED,
	P54_TX_PSM,
	P54_TX_PSM_CANCELLED = 4
};

struct p54_frame_sent {
	u8 status;
	u8 tries;
	u8 ack_rssi;
	u8 quality;
	__le16 seq;
	u8 antenna;
	u8 padding;
} __packed;

enum p54_tx_data_crypt {
	P54_CRYPTO_NONE = 0,
	P54_CRYPTO_WEP,
	P54_CRYPTO_TKIP,
	P54_CRYPTO_TKIPMICHAEL,
	P54_CRYPTO_CCX_WEPMIC,
	P54_CRYPTO_CCX_KPMIC,
	P54_CRYPTO_CCX_KP,
	P54_CRYPTO_AESCCMP
};

enum p54_tx_data_queue {
	P54_QUEUE_BEACON	= 0,
	P54_QUEUE_FWSCAN	= 1,
	P54_QUEUE_MGMT		= 2,
	P54_QUEUE_CAB		= 3,
	P54_QUEUE_DATA		= 4,

	P54_QUEUE_AC_NUM	= 4,
	P54_QUEUE_AC_VO		= 4,
	P54_QUEUE_AC_VI		= 5,
	P54_QUEUE_AC_BE		= 6,
	P54_QUEUE_AC_BK		= 7,

	/* keep last */
	P54_QUEUE_NUM		= 8,
};

#define IS_QOS_QUEUE(n)	(n >= P54_QUEUE_DATA)

struct p54_tx_data {
	u8 rateset[8];
	u8 rts_rate_idx;
	u8 crypt_offset;
	u8 key_type;
	u8 key_len;
	u8 key[16];
	u8 hw_queue;
	u8 backlog;
	__le16 durations[4];
	u8 tx_antenna;
	union {
		struct {
			u8 cts_rate;
			__le16 output_power;
		} __packed longbow;
		struct {
			u8 output_power;
			u8 cts_rate;
			u8 unalloc;
		} __packed normal;
	} __packed;
	u8 unalloc2[2];
	u8 align[];
} __packed;

/* unit is ms */
#define P54_TX_FRAME_LIFETIME 2000
#define P54_TX_TIMEOUT 4000
#define P54_STATISTICS_UPDATE 5000

#define P54_FILTER_TYPE_NONE		0
#define P54_FILTER_TYPE_STATION		BIT(0)
#define P54_FILTER_TYPE_IBSS		BIT(1)
#define P54_FILTER_TYPE_AP		BIT(2)
#define P54_FILTER_TYPE_TRANSPARENT	BIT(3)
#define P54_FILTER_TYPE_PROMISCUOUS	BIT(4)
#define P54_FILTER_TYPE_HIBERNATE	BIT(5)
#define P54_FILTER_TYPE_NOACK		BIT(6)
#define P54_FILTER_TYPE_RX_DISABLED	BIT(7)

struct p54_setup_mac {
	__le16 mac_mode;
	u8 mac_addr[ETH_ALEN];
	u8 bssid[ETH_ALEN];
	u8 rx_antenna;
	u8 rx_align;
	union {
		struct {
			__le32 basic_rate_mask;
			u8 rts_rates[8];
			__le32 rx_addr;
			__le16 max_rx;
			__le16 rxhw;
			__le16 wakeup_timer;
			__le16 unalloc0;
		} __packed v1;
		struct {
			__le32 rx_addr;
			__le16 max_rx;
			__le16 rxhw;
			__le16 timer;
			__le16 truncate;
			__le32 basic_rate_mask;
			u8 sbss_offset;
			u8 mcast_window;
			u8 rx_rssi_threshold;
			u8 rx_ed_threshold;
			__le32 ref_clock;
			__le16 lpf_bandwidth;
			__le16 osc_start_delay;
		} __packed v2;
	} __packed;
} __packed;

#define P54_SETUP_V1_LEN 40
#define P54_SETUP_V2_LEN (sizeof(struct p54_setup_mac))

#define P54_SCAN_EXIT	BIT(0)
#define P54_SCAN_TRAP	BIT(1)
#define P54_SCAN_ACTIVE BIT(2)
#define P54_SCAN_FILTER BIT(3)

struct p54_scan_head {
	__le16 mode;
	__le16 dwell;
	u8 scan_params[20];
	__le16 freq;
} __packed;

struct p54_pa_curve_data_sample {
	u8 rf_power;
	u8 pa_detector;
	u8 data_barker;
	u8 data_bpsk;
	u8 data_qpsk;
	u8 data_16qam;
	u8 data_64qam;
	u8 padding;
} __packed;

struct p54_scan_body {
	u8 pa_points_per_curve;
	u8 val_barker;
	u8 val_bpsk;
	u8 val_qpsk;
	u8 val_16qam;
	u8 val_64qam;
	struct p54_pa_curve_data_sample curve_data[8];
	u8 dup_bpsk;
	u8 dup_qpsk;
	u8 dup_16qam;
	u8 dup_64qam;
} __packed;

/*
 * Warning: Longbow's structures are bogus.
 */
struct p54_channel_output_limit_longbow {
	__le16 rf_power_points[12];
} __packed;

struct p54_pa_curve_data_sample_longbow {
	__le16 rf_power;
	__le16 pa_detector;
	struct {
		__le16 data[4];
	} points[3] __packed;
} __packed;

struct p54_scan_body_longbow {
	struct p54_channel_output_limit_longbow power_limits;
	struct p54_pa_curve_data_sample_longbow curve_data[8];
	__le16 unkn[6];		/* maybe more power_limits or rate_mask */
} __packed;

union p54_scan_body_union {
	struct p54_scan_body normal;
	struct p54_scan_body_longbow longbow;
} __packed;

struct p54_scan_tail_rate {
	__le32 basic_rate_mask;
	u8 rts_rates[8];
} __packed;

struct p54_led {
	__le16 flags;
	__le16 mask[2];
	__le16 delay[2];
} __packed;

struct p54_edcf {
	u8 flags;
	u8 slottime;
	u8 sifs;
	u8 eofpad;
	struct p54_edcf_queue_param queue[8];
	u8 mapping[4];
	__le16 frameburst;
	__le16 round_trip_delay;
} __packed;

struct p54_statistics {
	__le32 rx_success;
	__le32 rx_bad_fcs;
	__le32 rx_abort;
	__le32 rx_abort_phy;
	__le32 rts_success;
	__le32 rts_fail;
	__le32 tsf32;
	__le32 airtime;
	__le32 noise;
	__le32 sample_noise[8];
	__le32 sample_cca;
	__le32 sample_tx;
} __packed;

struct p54_xbow_synth {
	__le16 magic1;
	__le16 magic2;
	__le16 freq;
	u32 padding[5];
} __packed;

struct p54_timer {
	__le32 interval;
} __packed;

struct p54_keycache {
	u8 entry;
	u8 key_id;
	u8 mac[ETH_ALEN];
	u8 padding[2];
	u8 key_type;
	u8 key_len;
	u8 key[24];
} __packed;

struct p54_burst {
	u8 flags;
	u8 queue;
	u8 backlog;
	u8 pad;
	__le16 durations[32];
} __packed;

struct p54_psm_interval {
	__le16 interval;
	__le16 periods;
} __packed;

#define P54_PSM_CAM			0
#define P54_PSM				BIT(0)
#define P54_PSM_DTIM			BIT(1)
#define P54_PSM_MCBC			BIT(2)
#define P54_PSM_CHECKSUM		BIT(3)
#define P54_PSM_SKIP_MORE_DATA		BIT(4)
#define P54_PSM_BEACON_TIMEOUT		BIT(5)
#define P54_PSM_HFOSLEEP		BIT(6)
#define P54_PSM_AUTOSWITCH_SLEEP	BIT(7)
#define P54_PSM_LPIT			BIT(8)
#define P54_PSM_BF_UCAST_SKIP		BIT(9)
#define P54_PSM_BF_MCAST_SKIP		BIT(10)

struct p54_psm {
	__le16 mode;
	__le16 aid;
	struct p54_psm_interval intervals[4];
	u8 beacon_rssi_skip_max;
	u8 rssi_delta_threshold;
	u8 nr;
	u8 exclude[1];
} __packed;

#define MC_FILTER_ADDRESS_NUM 4

struct p54_group_address_table {
	__le16 filter_enable;
	__le16 num_address;
	u8 mac_list[MC_FILTER_ADDRESS_NUM][ETH_ALEN];
} __packed;

struct p54_txcancel {
	__le32 req_id;
} __packed;

struct p54_sta_unlock {
	u8 addr[ETH_ALEN];
	u16 padding;
} __packed;

#define P54_TIM_CLEAR BIT(15)
struct p54_tim {
	u8 count;
	u8 padding[3];
	__le16 entry[8];
} __packed;

struct p54_cce_quiet {
	__le32 period;
} __packed;

struct p54_bt_balancer {
	__le16 prio_thresh;
	__le16 acl_thresh;
} __packed;

struct p54_arp_table {
	__le16 filter_enable;
	u8 ipv4_addr[4];
} __packed;

/* LED control */
int p54_set_leds(struct p54_common *priv);
int p54_init_leds(struct p54_common *priv);
void p54_unregister_leds(struct p54_common *priv);

/* xmit functions */
void p54_tx_80211(struct ieee80211_hw *dev,
		  struct ieee80211_tx_control *control,
		  struct sk_buff *skb);
int p54_tx_cancel(struct p54_common *priv, __le32 req_id);
void p54_tx(struct p54_common *priv, struct sk_buff *skb);

/* synth/phy configuration */
int p54_init_xbow_synth(struct p54_common *priv);
int p54_scan(struct p54_common *priv, u16 mode, u16 dwell);

/* MAC */
int p54_sta_unlock(struct p54_common *priv, u8 *addr);
int p54_update_beacon_tim(struct p54_common *priv, u16 aid, bool set);
int p54_setup_mac(struct p54_common *priv);
int p54_set_ps(struct p54_common *priv);
int p54_fetch_statistics(struct p54_common *priv);
int p54_set_groupfilter(struct p54_common *priv);

/* e/v DCF setup */
int p54_set_edcf(struct p54_common *priv);

/* cryptographic engine */
int p54_upload_key(struct p54_common *priv, u8 algo, int slot,
		   u8 idx, u8 len, u8 *addr, u8* key);

/* eeprom */
int p54_download_eeprom(struct p54_common *priv, void *buf,
			u16 offset, u16 len);
struct p54_rssi_db_entry *p54_rssi_find(struct p54_common *p, const u16 freq);

/* utility */
u8 *p54_find_ie(struct sk_buff *skb, u8 ie);

#endif /* LMAC_H */