aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/libertas/dev.h
blob: 968acdb53f563d8869ddd8acb6e9367826fe8526 (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
/**
  * This file contains definitions and data structures specific
  * to Marvell 802.11 NIC. It contains the Device Information
  * structure struct lbs_private..
  */
#ifndef _LBS_DEV_H_
#define _LBS_DEV_H_

#include <linux/netdevice.h>
#include <linux/wireless.h>
#include <linux/ethtool.h>
#include <linux/debugfs.h>

#include "defs.h"
#include "host.h"

extern const struct ethtool_ops lbs_ethtool_ops;

#define	MAX_BSSID_PER_CHANNEL		16

#define NR_TX_QUEUE			3

/* For the extended Scan */
#define MAX_EXTENDED_SCAN_BSSID_LIST    MAX_BSSID_PER_CHANNEL * \
						MRVDRV_MAX_CHANNEL_SIZE + 1

#define	MAX_REGION_CHANNEL_NUM	2

/** Chan-freq-TxPower mapping table*/
struct chan_freq_power {
	/** channel Number		*/
	u16 channel;
	/** frequency of this channel	*/
	u32 freq;
	/** Max allowed Tx power level	*/
	u16 maxtxpower;
	/** TRUE:channel unsupported;  FLASE:supported*/
	u8 unsupported;
};

/** region-band mapping table*/
struct region_channel {
	/** TRUE if this entry is valid		     */
	u8 valid;
	/** region code for US, Japan ...	     */
	u8 region;
	/** band B/G/A, used for BAND_CONFIG cmd	     */
	u8 band;
	/** Actual No. of elements in the array below */
	u8 nrcfp;
	/** chan-freq-txpower mapping table*/
	struct chan_freq_power *CFP;
};

struct lbs_802_11_security {
	u8 WPAenabled;
	u8 WPA2enabled;
	u8 wep_enabled;
	u8 auth_mode;
	u32 key_mgmt;
};

/** Current Basic Service Set State Structure */
struct current_bss_params {
	/** bssid */
	u8 bssid[ETH_ALEN];
	/** ssid */
	u8 ssid[IW_ESSID_MAX_SIZE + 1];
	u8 ssid_len;

	/** band */
	u8 band;
	/** channel */
	u8 channel;
	/** zero-terminated array of supported data rates */
	u8 rates[MAX_RATES + 1];
};

/** sleep_params */
struct sleep_params {
	uint16_t sp_error;
	uint16_t sp_offset;
	uint16_t sp_stabletime;
	uint8_t  sp_calcontrol;
	uint8_t  sp_extsleepclk;
	uint16_t sp_reserved;
};

/* Mesh statistics */
struct lbs_mesh_stats {
	u32	fwd_bcast_cnt;		/* Fwd: Broadcast counter */
	u32	fwd_unicast_cnt;	/* Fwd: Unicast counter */
	u32	fwd_drop_ttl;		/* Fwd: TTL zero */
	u32	fwd_drop_rbt;		/* Fwd: Recently Broadcasted */
	u32	fwd_drop_noroute; 	/* Fwd: No route to Destination */
	u32	fwd_drop_nobuf;		/* Fwd: Run out of internal buffers */
	u32	drop_blind;		/* Rx:  Dropped by blinding table */
	u32	tx_failed_cnt;		/* Tx:  Failed transmissions */
};

/** Private structure for the MV device */
struct lbs_private {
	struct wireless_dev *wdev;
	int mesh_open;
	int mesh_fw_ver;
	int infra_open;
	int mesh_autostart_enabled;

	char name[DEV_NAME_LEN];

	void *card;
	struct net_device *dev;

	struct net_device *mesh_dev; /* Virtual device */
	struct net_device *rtap_net_dev;

	struct iw_statistics wstats;
	struct lbs_mesh_stats mstats;
	struct dentry *debugfs_dir;
	struct dentry *debugfs_debug;
	struct dentry *debugfs_files[6];

	struct dentry *events_dir;
	struct dentry *debugfs_events_files[6];

	struct dentry *regs_dir;
	struct dentry *debugfs_regs_files[6];

	u32 mac_offset;
	u32 bbp_offset;
	u32 rf_offset;

	/** Deep sleep flag */
	int is_deep_sleep;
	/** Auto deep sleep enabled flag */
	int is_auto_deep_sleep_enabled;
	/** Device wakeup required flag */
	int wakeup_dev_required;
	/** Auto deep sleep flag*/
	int is_activity_detected;
	/** Auto deep sleep timeout (in miliseconds) */
	int auto_deep_sleep_timeout;

	/** Deep sleep wait queue */
	wait_queue_head_t       ds_awake_q;

	/* Download sent:
	   bit0 1/0=data_sent/data_tx_done,
	   bit1 1/0=cmd_sent/cmd_tx_done,
	   all other bits reserved 0 */
	u8 dnld_sent;

	/** thread to service interrupts */
	struct task_struct *main_thread;
	wait_queue_head_t waitq;
	struct workqueue_struct *work_thread;

	struct work_struct mcast_work;

	/** Scanning */
	struct delayed_work scan_work;
	struct delayed_work assoc_work;
	struct work_struct sync_channel;
	/* remember which channel was scanned last, != 0 if currently scanning */
	int scan_channel;
	u8 scan_ssid[IW_ESSID_MAX_SIZE + 1];
	u8 scan_ssid_len;

	/** Hardware access */
	int (*hw_host_to_card) (struct lbs_private *priv, u8 type, u8 *payload, u16 nb);
	void (*reset_card) (struct lbs_private *priv);
	int (*enter_deep_sleep) (struct lbs_private *priv);
	int (*exit_deep_sleep) (struct lbs_private *priv);
	int (*reset_deep_sleep_wakeup) (struct lbs_private *priv);

	/* Wake On LAN */
	uint32_t wol_criteria;
	uint8_t wol_gpio;
	uint8_t wol_gap;

	/** Wlan adapter data structure*/
	/** STATUS variables */
	u32 fwrelease;
	u32 fwcapinfo;

	struct mutex lock;

	/* TX packet ready to be sent... */
	int tx_pending_len;		/* -1 while building packet */

	u8 tx_pending_buf[LBS_UPLD_SIZE];
	/* protected by hard_start_xmit serialization */

	/** command-related variables */
	u16 seqnum;

	struct cmd_ctrl_node *cmd_array;
	/** Current command */
	struct cmd_ctrl_node *cur_cmd;
	int cur_cmd_retcode;
	/** command Queues */
	/** Free command buffers */
	struct list_head cmdfreeq;
	/** Pending command buffers */
	struct list_head cmdpendingq;

	wait_queue_head_t cmd_pending;

	/* Command responses sent from the hardware to the driver */
	u8 resp_idx;
	u8 resp_buf[2][LBS_UPLD_SIZE];
	u32 resp_len[2];

	/* Events sent from hardware to driver */
	struct kfifo *event_fifo;

	/* nickname */
	u8 nodename[16];

	/** spin locks */
	spinlock_t driver_lock;

	/** Timers */
	struct timer_list command_timer;
	struct timer_list auto_deepsleep_timer;
	int nr_retries;
	int cmd_timed_out;

	/** current ssid/bssid related parameters*/
	struct current_bss_params curbssparams;

	uint16_t mesh_tlv;
	u8 mesh_ssid[IW_ESSID_MAX_SIZE + 1];
	u8 mesh_ssid_len;

	/* IW_MODE_* */
	u8 mode;

	/* Scan results list */
	struct list_head network_list;
	struct list_head network_free_list;
	struct bss_descriptor *networks;

	u16 beacon_period;
	u8 beacon_enable;
	u8 adhoccreate;

	/** capability Info used in Association, start, join */
	u16 capability;

	/** MAC address information */
	u8 current_addr[ETH_ALEN];
	u8 multicastlist[MRVDRV_MAX_MULTICAST_LIST_SIZE][ETH_ALEN];
	u32 nr_of_multicastmacaddr;

	/** 802.11 statistics */
//	struct cmd_DS_802_11_GET_STAT wlan802_11Stat;

	uint16_t enablehwauto;
	uint16_t ratebitmap;

	u8 txretrycount;

	/** Tx-related variables (for single packet tx) */
	struct sk_buff *currenttxskb;

	/** NIC Operation characteristics */
	u16 mac_control;
	u32 connect_status;
	u32 mesh_connect_status;
	u16 regioncode;
	s16 txpower_cur;
	s16 txpower_min;
	s16 txpower_max;

	/** POWER MANAGEMENT AND PnP SUPPORT */
	u8 surpriseremoved;

	u16 psmode;		/* Wlan802_11PowermodeCAM=disable
				   Wlan802_11PowermodeMAX_PSP=enable */
	u32 psstate;
	u8 needtowakeup;

	struct assoc_request * pending_assoc_req;
	struct assoc_request * in_progress_assoc_req;

	/** Encryption parameter */
	struct lbs_802_11_security secinfo;

	/** WEP keys */
	struct enc_key wep_keys[4];
	u16 wep_tx_keyidx;

	/** WPA keys */
	struct enc_key wpa_mcast_key;
	struct enc_key wpa_unicast_key;

/*
 * In theory, the IE is limited to the IE length, 255,
 * but in practice 64 bytes are enough.
 */
#define MAX_WPA_IE_LEN 64

	/** WPA Information Elements*/
	u8 wpa_ie[MAX_WPA_IE_LEN];
	u8 wpa_ie_len;

	/** Requested Signal Strength*/
	u16 SNR[MAX_TYPE_B][MAX_TYPE_AVG];
	u16 NF[MAX_TYPE_B][MAX_TYPE_AVG];
	u8 RSSI[MAX_TYPE_B][MAX_TYPE_AVG];
	u8 rawSNR[DEFAULT_DATA_AVG_FACTOR];
	u8 rawNF[DEFAULT_DATA_AVG_FACTOR];
	u16 nextSNRNF;
	u16 numSNRNF;

	u8 radio_on;

	/** data rate stuff */
	u8 cur_rate;

	/** RF calibration data */

#define	MAX_REGION_CHANNEL_NUM	2
	/** region channel data */
	struct region_channel region_channel[MAX_REGION_CHANNEL_NUM];

	/**	MISCELLANEOUS */
	struct lbs_offset_value offsetvalue;

	u32 monitormode;
	u8 fw_ready;
};

extern struct cmd_confirm_sleep confirm_sleep;

/**
 *  @brief Structure used to store information for each beacon/probe response
 */
struct bss_descriptor {
	u8 bssid[ETH_ALEN];

	u8 ssid[IW_ESSID_MAX_SIZE + 1];
	u8 ssid_len;

	u16 capability;
	u32 rssi;
	u32 channel;
	u16 beaconperiod;
	__le16 atimwindow;

	/* IW_MODE_AUTO, IW_MODE_ADHOC, IW_MODE_INFRA */
	u8 mode;

	/* zero-terminated array of supported data rates */
	u8 rates[MAX_RATES + 1];

	unsigned long last_scanned;

	union ieee_phy_param_set phy;
	union ieee_ss_param_set ss;

	struct ieee_ie_country_info_full_set countryinfo;

	u8 wpa_ie[MAX_WPA_IE_LEN];
	size_t wpa_ie_len;
	u8 rsn_ie[MAX_WPA_IE_LEN];
	size_t rsn_ie_len;

	u8 mesh;

	struct list_head list;
};

/** Association request
 *
 * Encapsulates all the options that describe a specific assocation request
 * or configuration of the wireless card's radio, mode, and security settings.
 */
struct assoc_request {
#define ASSOC_FLAG_SSID			1
#define ASSOC_FLAG_CHANNEL		2
#define ASSOC_FLAG_BAND			3
#define ASSOC_FLAG_MODE			4
#define ASSOC_FLAG_BSSID		5
#define ASSOC_FLAG_WEP_KEYS		6
#define ASSOC_FLAG_WEP_TX_KEYIDX	7
#define ASSOC_FLAG_WPA_MCAST_KEY	8
#define ASSOC_FLAG_WPA_UCAST_KEY	9
#define ASSOC_FLAG_SECINFO		10
#define ASSOC_FLAG_WPA_IE		11
	unsigned long flags;

	u8 ssid[IW_ESSID_MAX_SIZE + 1];
	u8 ssid_len;
	u8 channel;
	u8 band;
	u8 mode;
	u8 bssid[ETH_ALEN] __attribute__ ((aligned (2)));

	/** WEP keys */
	struct enc_key wep_keys[4];
	u16 wep_tx_keyidx;

	/** WPA keys */
	struct enc_key wpa_mcast_key;
	struct enc_key wpa_unicast_key;

	struct lbs_802_11_security secinfo;

	/** WPA Information Elements*/
	u8 wpa_ie[MAX_WPA_IE_LEN];
	u8 wpa_ie_len;

	/* BSS to associate with for infrastructure of Ad-Hoc join */
	struct bss_descriptor bss;
};

#endif