1 /******************************************************************************
2 *
3 * Copyright(c) 2003 - 2013 Intel Corporation. All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17 *
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
20 *
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 *****************************************************************************/
26 /*
27 * Please use this file (dev.h) for driver implementation definitions.
28 * Please use commands.h for uCode API definitions.
29 */
30
31 #ifndef __iwl_dev_h__
32 #define __iwl_dev_h__
33
34 #include <linux/interrupt.h>
35 #include <linux/kernel.h>
36 #include <linux/wait.h>
37 #include <linux/leds.h>
38 #include <linux/slab.h>
39 #include <linux/mutex.h>
40
41 #include "iwl-fw.h"
42 #include "iwl-eeprom-parse.h"
43 #include "iwl-csr.h"
44 #include "iwl-debug.h"
45 #include "iwl-agn-hw.h"
46 #include "iwl-op-mode.h"
47 #include "iwl-notif-wait.h"
48 #include "iwl-trans.h"
49
50 #include "led.h"
51 #include "power.h"
52 #include "rs.h"
53 #include "tt.h"
54
55 #include "iwl-test.h"
56
57 /* CT-KILL constants */
58 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
59 #define CT_KILL_THRESHOLD 114 /* in Celsius */
60 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
61
62 /* Default noise level to report when noise measurement is not available.
63 * This may be because we're:
64 * 1) Not associated no beacon statistics being sent to driver)
65 * 2) Scanning (noise measurement does not apply to associated channel)
66 * Use default noise value of -127 ... this is below the range of measurable
67 * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
68 * Also, -127 works better than 0 when averaging frames with/without
69 * noise info (e.g. averaging might be done in app); measured dBm values are
70 * always negative ... using a negative value as the default keeps all
71 * averages within an s8's (used in some apps) range of negative values. */
72 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
73
74 /*
75 * RTS threshold here is total size [2347] minus 4 FCS bytes
76 * Per spec:
77 * a value of 0 means RTS on all data/management packets
78 * a value > max MSDU size means no RTS
79 * else RTS for data/management frames where MPDU is larger
80 * than RTS value.
81 */
82 #define DEFAULT_RTS_THRESHOLD 2347U
83 #define MIN_RTS_THRESHOLD 0U
84 #define MAX_RTS_THRESHOLD 2347U
85 #define MAX_MSDU_SIZE 2304U
86 #define MAX_MPDU_SIZE 2346U
87 #define DEFAULT_BEACON_INTERVAL 200U
88 #define DEFAULT_SHORT_RETRY_LIMIT 7U
89 #define DEFAULT_LONG_RETRY_LIMIT 4U
90
91 #define IWL_NUM_SCAN_RATES (2)
92
93
94 #define IEEE80211_DATA_LEN 2304
95 #define IEEE80211_4ADDR_LEN 30
96 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
97 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
98
99 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
100 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
101 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
102
103 #define IWL_SUPPORTED_RATES_IE_LEN 8
104
105 #define IWL_INVALID_RATE 0xFF
106 #define IWL_INVALID_VALUE -1
107
108 union iwl_ht_rate_supp {
109 u16 rates;
110 struct {
111 u8 siso_rate;
112 u8 mimo_rate;
113 };
114 };
115
116 struct iwl_ht_config {
117 bool single_chain_sufficient;
118 enum ieee80211_smps_mode smps; /* current smps mode */
119 };
120
121 /* QoS structures */
122 struct iwl_qos_info {
123 int qos_active;
124 struct iwl_qosparam_cmd def_qos_parm;
125 };
126
127 /**
128 * enum iwl_agg_state
129 *
130 * The state machine of the BA agreement establishment / tear down.
131 * These states relate to a specific RA / TID.
132 *
133 * @IWL_AGG_OFF: aggregation is not used
134 * @IWL_AGG_STARTING: aggregation are starting (between start and oper)
135 * @IWL_AGG_ON: aggregation session is up
136 * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
137 * HW queue to be empty from packets for this RA /TID.
138 * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
139 * HW queue to be empty from packets for this RA /TID.
140 */
141 enum iwl_agg_state {
142 IWL_AGG_OFF = 0,
143 IWL_AGG_STARTING,
144 IWL_AGG_ON,
145 IWL_EMPTYING_HW_QUEUE_ADDBA,
146 IWL_EMPTYING_HW_QUEUE_DELBA,
147 };
148
149 /**
150 * struct iwl_ht_agg - aggregation state machine
151
152 * This structs holds the states for the BA agreement establishment and tear
153 * down. It also holds the state during the BA session itself. This struct is
154 * duplicated for each RA / TID.
155
156 * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
157 * Tx response (REPLY_TX), and the block ack notification
158 * (REPLY_COMPRESSED_BA).
159 * @state: state of the BA agreement establishment / tear down.
160 * @txq_id: Tx queue used by the BA session
161 * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
162 * the first packet to be sent in legacy HW queue in Tx AGG stop flow.
163 * Basically when next_reclaimed reaches ssn, we can tell mac80211 that
164 * we are ready to finish the Tx AGG stop / start flow.
165 * @wait_for_ba: Expect block-ack before next Tx reply
166 */
167 struct iwl_ht_agg {
168 u32 rate_n_flags;
169 enum iwl_agg_state state;
170 u16 txq_id;
171 u16 ssn;
172 bool wait_for_ba;
173 };
174
175 /**
176 * struct iwl_tid_data - one for each RA / TID
177
178 * This structs holds the states for each RA / TID.
179
180 * @seq_number: the next WiFi sequence number to use
181 * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
182 * This is basically (last acked packet++).
183 * @agg: aggregation state machine
184 */
185 struct iwl_tid_data {
186 u16 seq_number;
187 u16 next_reclaimed;
188 struct iwl_ht_agg agg;
189 };
190
191 /*
192 * Structure should be accessed with sta_lock held. When station addition
193 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
194 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
195 * held.
196 */
197 struct iwl_station_entry {
198 struct iwl_addsta_cmd sta;
199 u8 used, ctxid;
200 struct iwl_link_quality_cmd *lq;
201 };
202
203 /*
204 * iwl_station_priv: Driver's private station information
205 *
206 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
207 * in the structure for use by driver. This structure is places in that
208 * space.
209 */
210 struct iwl_station_priv {
211 struct iwl_rxon_context *ctx;
212 struct iwl_lq_sta lq_sta;
213 atomic_t pending_frames;
214 bool client;
215 bool asleep;
216 u8 max_agg_bufsize;
217 u8 sta_id;
218 };
219
220 /**
221 * struct iwl_vif_priv - driver's private per-interface information
222 *
223 * When mac80211 allocates a virtual interface, it can allocate
224 * space for us to put data into.
225 */
226 struct iwl_vif_priv {
227 struct iwl_rxon_context *ctx;
228 u8 ibss_bssid_sta_id;
229 };
230
231 struct iwl_sensitivity_ranges {
232 u16 min_nrg_cck;
233
234 u16 nrg_th_cck;
235 u16 nrg_th_ofdm;
236
237 u16 auto_corr_min_ofdm;
238 u16 auto_corr_min_ofdm_mrc;
239 u16 auto_corr_min_ofdm_x1;
240 u16 auto_corr_min_ofdm_mrc_x1;
241
242 u16 auto_corr_max_ofdm;
243 u16 auto_corr_max_ofdm_mrc;
244 u16 auto_corr_max_ofdm_x1;
245 u16 auto_corr_max_ofdm_mrc_x1;
246
247 u16 auto_corr_max_cck;
248 u16 auto_corr_max_cck_mrc;
249 u16 auto_corr_min_cck;
250 u16 auto_corr_min_cck_mrc;
251
252 u16 barker_corr_th_min;
253 u16 barker_corr_th_min_mrc;
254 u16 nrg_th_cca;
255 };
256
257
258 #define KELVIN_TO_CELSIUS(x) ((x)-273)
259 #define CELSIUS_TO_KELVIN(x) ((x)+273)
260
261
262 /******************************************************************************
263 *
264 * Functions implemented in core module which are forward declared here
265 * for use by iwl-[4-5].c
266 *
267 * NOTE: The implementation of these functions are not hardware specific
268 * which is why they are in the core module files.
269 *
270 * Naming convention --
271 * iwl_ <-- Is part of iwlwifi
272 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
273 *
274 ****************************************************************************/
275 extern void iwl_update_chain_flags(struct iwl_priv *priv);
276 extern const u8 iwl_bcast_addr[ETH_ALEN];
277
278 #define IWL_OPERATION_MODE_AUTO 0
279 #define IWL_OPERATION_MODE_HT_ONLY 1
280 #define IWL_OPERATION_MODE_MIXED 2
281 #define IWL_OPERATION_MODE_20MHZ 3
282
283 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
284
285 /* Sensitivity and chain noise calibration */
286 #define INITIALIZATION_VALUE 0xFFFF
287 #define IWL_CAL_NUM_BEACONS 16
288 #define MAXIMUM_ALLOWED_PATHLOSS 15
289
290 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
291
292 #define MAX_FA_OFDM 50
293 #define MIN_FA_OFDM 5
294 #define MAX_FA_CCK 50
295 #define MIN_FA_CCK 5
296
297 #define AUTO_CORR_STEP_OFDM 1
298
299 #define AUTO_CORR_STEP_CCK 3
300 #define AUTO_CORR_MAX_TH_CCK 160
301
302 #define NRG_DIFF 2
303 #define NRG_STEP_CCK 2
304 #define NRG_MARGIN 8
305 #define MAX_NUMBER_CCK_NO_FA 100
306
307 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
308
309 #define CHAIN_A 0
310 #define CHAIN_B 1
311 #define CHAIN_C 2
312 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
313 #define ALL_BAND_FILTER 0xFF00
314 #define IN_BAND_FILTER 0xFF
315 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
316
317 #define NRG_NUM_PREV_STAT_L 20
318 #define NUM_RX_CHAINS 3
319
320 enum iwlagn_false_alarm_state {
321 IWL_FA_TOO_MANY = 0,
322 IWL_FA_TOO_FEW = 1,
323 IWL_FA_GOOD_RANGE = 2,
324 };
325
326 enum iwlagn_chain_noise_state {
327 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
328 IWL_CHAIN_NOISE_ACCUMULATE,
329 IWL_CHAIN_NOISE_CALIBRATED,
330 IWL_CHAIN_NOISE_DONE,
331 };
332
333 /* Sensitivity calib data */
334 struct iwl_sensitivity_data {
335 u32 auto_corr_ofdm;
336 u32 auto_corr_ofdm_mrc;
337 u32 auto_corr_ofdm_x1;
338 u32 auto_corr_ofdm_mrc_x1;
339 u32 auto_corr_cck;
340 u32 auto_corr_cck_mrc;
341
342 u32 last_bad_plcp_cnt_ofdm;
343 u32 last_fa_cnt_ofdm;
344 u32 last_bad_plcp_cnt_cck;
345 u32 last_fa_cnt_cck;
346
347 u32 nrg_curr_state;
348 u32 nrg_prev_state;
349 u32 nrg_value[10];
350 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
351 u32 nrg_silence_ref;
352 u32 nrg_energy_idx;
353 u32 nrg_silence_idx;
354 u32 nrg_th_cck;
355 s32 nrg_auto_corr_silence_diff;
356 u32 num_in_cck_no_fa;
357 u32 nrg_th_ofdm;
358
359 u16 barker_corr_th_min;
360 u16 barker_corr_th_min_mrc;
361 u16 nrg_th_cca;
362 };
363
364 /* Chain noise (differential Rx gain) calib data */
365 struct iwl_chain_noise_data {
366 u32 active_chains;
367 u32 chain_noise_a;
368 u32 chain_noise_b;
369 u32 chain_noise_c;
370 u32 chain_signal_a;
371 u32 chain_signal_b;
372 u32 chain_signal_c;
373 u16 beacon_count;
374 u8 disconn_array[NUM_RX_CHAINS];
375 u8 delta_gain_code[NUM_RX_CHAINS];
376 u8 radio_write;
377 u8 state;
378 };
379
380 enum {
381 MEASUREMENT_READY = (1 << 0),
382 MEASUREMENT_ACTIVE = (1 << 1),
383 };
384
385 /* reply_tx_statistics (for _agn devices) */
386 struct reply_tx_error_statistics {
387 u32 pp_delay;
388 u32 pp_few_bytes;
389 u32 pp_bt_prio;
390 u32 pp_quiet_period;
391 u32 pp_calc_ttak;
392 u32 int_crossed_retry;
393 u32 short_limit;
394 u32 long_limit;
395 u32 fifo_underrun;
396 u32 drain_flow;
397 u32 rfkill_flush;
398 u32 life_expire;
399 u32 dest_ps;
400 u32 host_abort;
401 u32 bt_retry;
402 u32 sta_invalid;
403 u32 frag_drop;
404 u32 tid_disable;
405 u32 fifo_flush;
406 u32 insuff_cf_poll;
407 u32 fail_hw_drop;
408 u32 sta_color_mismatch;
409 u32 unknown;
410 };
411
412 /* reply_agg_tx_statistics (for _agn devices) */
413 struct reply_agg_tx_error_statistics {
414 u32 underrun;
415 u32 bt_prio;
416 u32 few_bytes;
417 u32 abort;
418 u32 last_sent_ttl;
419 u32 last_sent_try;
420 u32 last_sent_bt_kill;
421 u32 scd_query;
422 u32 bad_crc32;
423 u32 response;
424 u32 dump_tx;
425 u32 delay_tx;
426 u32 unknown;
427 };
428
429 /*
430 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
431 * to perform continuous uCode event logging operation if enabled
432 */
433 #define UCODE_TRACE_PERIOD (10)
434
435 /*
436 * iwl_event_log: current uCode event log position
437 *
438 * @ucode_trace: enable/disable ucode continuous trace timer
439 * @num_wraps: how many times the event buffer wraps
440 * @next_entry: the entry just before the next one that uCode would fill
441 * @non_wraps_count: counter for no wrap detected when dump ucode events
442 * @wraps_once_count: counter for wrap once detected when dump ucode events
443 * @wraps_more_count: counter for wrap more than once detected
444 * when dump ucode events
445 */
446 struct iwl_event_log {
447 bool ucode_trace;
448 u32 num_wraps;
449 u32 next_entry;
450 int non_wraps_count;
451 int wraps_once_count;
452 int wraps_more_count;
453 };
454
455 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
456
457 /* BT Antenna Coupling Threshold (dB) */
458 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
459
460 /* Firmware reload counter and Timestamp */
461 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
462 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
463
464
465 struct iwl_rf_reset {
466 int reset_request_count;
467 int reset_success_count;
468 int reset_reject_count;
469 unsigned long last_reset_jiffies;
470 };
471
472 enum iwl_rxon_context_id {
473 IWL_RXON_CTX_BSS,
474 IWL_RXON_CTX_PAN,
475
476 NUM_IWL_RXON_CTX
477 };
478
479 /* extend beacon time format bit shifting */
480 /*
481 * for _agn devices
482 * bits 31:22 - extended
483 * bits 21:0 - interval
484 */
485 #define IWLAGN_EXT_BEACON_TIME_POS 22
486
487 struct iwl_rxon_context {
488 struct ieee80211_vif *vif;
489
490 u8 mcast_queue;
491 u8 ac_to_queue[IEEE80211_NUM_ACS];
492 u8 ac_to_fifo[IEEE80211_NUM_ACS];
493
494 /*
495 * We could use the vif to indicate active, but we
496 * also need it to be active during disabling when
497 * we already removed the vif for type setting.
498 */
499 bool always_active, is_active;
500
501 bool ht_need_multiple_chains;
502
503 enum iwl_rxon_context_id ctxid;
504
505 u32 interface_modes, exclusive_interface_modes;
506 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
507
508 /*
509 * We declare this const so it can only be
510 * changed via explicit cast within the
511 * routines that actually update the physical
512 * hardware.
513 */
514 const struct iwl_rxon_cmd active;
515 struct iwl_rxon_cmd staging;
516
517 struct iwl_rxon_time_cmd timing;
518
519 struct iwl_qos_info qos_data;
520
521 u8 bcast_sta_id, ap_sta_id;
522
523 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
524 u8 qos_cmd;
525 u8 wep_key_cmd;
526
527 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
528 u8 key_mapping_keys;
529
530 __le32 station_flags;
531
532 int beacon_int;
533
534 struct {
535 bool non_gf_sta_present;
536 u8 protection;
537 bool enabled, is_40mhz;
538 u8 extension_chan_offset;
539 } ht;
540 };
541
542 enum iwl_scan_type {
543 IWL_SCAN_NORMAL,
544 IWL_SCAN_RADIO_RESET,
545 IWL_SCAN_ROC,
546 };
547
548 /**
549 * struct iwl_hw_params
550 *
551 * Holds the module parameters
552 *
553 * @tx_chains_num: Number of TX chains
554 * @rx_chains_num: Number of RX chains
555 * @ct_kill_threshold: temperature threshold - in hw dependent unit
556 * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
557 * relevant for 1000, 6000 and up
558 * @struct iwl_sensitivity_ranges: range of sensitivity values
559 * @use_rts_for_aggregation: use rts/cts protection for HT traffic
560 */
561 struct iwl_hw_params {
562 u8 tx_chains_num;
563 u8 rx_chains_num;
564 bool use_rts_for_aggregation;
565 u32 ct_kill_threshold;
566 u32 ct_kill_exit_threshold;
567
568 const struct iwl_sensitivity_ranges *sens;
569 };
570
571 struct iwl_lib_ops {
572 /* set hw dependent parameters */
573 void (*set_hw_params)(struct iwl_priv *priv);
574 int (*set_channel_switch)(struct iwl_priv *priv,
575 struct ieee80211_channel_switch *ch_switch);
576 /* device specific configuration */
577 void (*nic_config)(struct iwl_priv *priv);
578
579 /* temperature */
580 void (*temperature)(struct iwl_priv *priv);
581 };
582
583 struct iwl_wipan_noa_data {
584 struct rcu_head rcu_head;
585 u32 length;
586 u8 data[];
587 };
588
589 /* Calibration disabling bit mask */
590 enum {
591 IWL_CALIB_ENABLE_ALL = 0,
592
593 IWL_SENSITIVITY_CALIB_DISABLED = BIT(0),
594 IWL_CHAIN_NOISE_CALIB_DISABLED = BIT(1),
595 IWL_TX_POWER_CALIB_DISABLED = BIT(2),
596
597 IWL_CALIB_DISABLE_ALL = 0xFFFFFFFF,
598 };
599
600 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
601 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
602
603 #define IWL_MAC80211_GET_DVM(_hw) \
604 ((struct iwl_priv *) ((struct iwl_op_mode *) \
605 (_hw)->priv)->op_mode_specific)
606
607 struct iwl_priv {
608
609 struct iwl_trans *trans;
610 struct device *dev; /* for debug prints only */
611 const struct iwl_cfg *cfg;
612 const struct iwl_fw *fw;
613 const struct iwl_lib_ops *lib;
614 unsigned long status;
615
616 spinlock_t sta_lock;
617 struct mutex mutex;
618
619 unsigned long transport_queue_stop;
620 bool passive_no_rx;
621 #define IWL_INVALID_MAC80211_QUEUE 0xff
622 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
623 atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
624
625 unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
626
627 /* ieee device used by generic ieee processing code */
628 struct ieee80211_hw *hw;
629
630 struct list_head calib_results;
631
632 struct workqueue_struct *workqueue;
633
634 struct iwl_hw_params hw_params;
635
636 enum ieee80211_band band;
637 u8 valid_contexts;
638
639 int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
640 struct iwl_rx_cmd_buffer *rxb,
641 struct iwl_device_cmd *cmd);
642
643 struct iwl_notif_wait_data notif_wait;
644
645 /* spectrum measurement report caching */
646 struct iwl_spectrum_notification measure_report;
647 u8 measurement_status;
648
649 #define IWL_OWNERSHIP_DRIVER 0
650 #define IWL_OWNERSHIP_TM 1
651 u8 ucode_owner;
652
653 /* ucode beacon time */
654 u32 ucode_beacon_time;
655 int missed_beacon_threshold;
656
657 /* track IBSS manager (last beacon) status */
658 u32 ibss_manager;
659
660 /* jiffies when last recovery from statistics was performed */
661 unsigned long rx_statistics_jiffies;
662
663 /*counters */
664 u32 rx_handlers_stats[REPLY_MAX];
665
666 /* rf reset */
667 struct iwl_rf_reset rf_reset;
668
669 /* firmware reload counter and timestamp */
670 unsigned long reload_jiffies;
671 int reload_count;
672 bool ucode_loaded;
673 bool init_ucode_run; /* Don't run init uCode again */
674
675 u8 plcp_delta_threshold;
676
677 /* thermal calibration */
678 s32 temperature; /* Celsius */
679 s32 last_temperature;
680
681 struct iwl_wipan_noa_data __rcu *noa_data;
682
683 /* Scan related variables */
684 unsigned long scan_start;
685 unsigned long scan_start_tsf;
686 void *scan_cmd;
687 enum ieee80211_band scan_band;
688 struct cfg80211_scan_request *scan_request;
689 struct ieee80211_vif *scan_vif;
690 enum iwl_scan_type scan_type;
691 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
692 u8 mgmt_tx_ant;
693
694 /* max number of station keys */
695 u8 sta_key_max_num;
696
697 bool new_scan_threshold_behaviour;
698
699 bool wowlan;
700
701 /* EEPROM MAC addresses */
702 struct mac_address addresses[2];
703
704 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
705
706 __le16 switch_channel;
707
708 u8 start_calib;
709 struct iwl_sensitivity_data sensitivity_data;
710 struct iwl_chain_noise_data chain_noise_data;
711 __le16 sensitivity_tbl[HD_TABLE_SIZE];
712 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
713
714 struct iwl_ht_config current_ht_config;
715
716 /* Rate scaling data */
717 u8 retry_rate;
718
719 int activity_timer_active;
720
721 struct iwl_power_mgr power_data;
722 struct iwl_tt_mgmt thermal_throttle;
723
724 /* station table variables */
725 int num_stations;
726 struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
727 unsigned long ucode_key_table;
728 struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
729 atomic_t num_aux_in_flight;
730
731 u8 mac80211_registered;
732
733 /* Indication if ieee80211_ops->open has been called */
734 u8 is_open;
735
736 enum nl80211_iftype iw_mode;
737
738 /* Last Rx'd beacon timestamp */
739 u64 timestamp;
740
741 struct {
742 __le32 flag;
743 struct statistics_general_common common;
744 struct statistics_rx_non_phy rx_non_phy;
745 struct statistics_rx_phy rx_ofdm;
746 struct statistics_rx_ht_phy rx_ofdm_ht;
747 struct statistics_rx_phy rx_cck;
748 struct statistics_tx tx;
749 #ifdef CONFIG_IWLWIFI_DEBUGFS
750 struct statistics_bt_activity bt_activity;
751 __le32 num_bt_kills, accum_num_bt_kills;
752 #endif
753 spinlock_t lock;
754 } statistics;
755 #ifdef CONFIG_IWLWIFI_DEBUGFS
756 struct {
757 struct statistics_general_common common;
758 struct statistics_rx_non_phy rx_non_phy;
759 struct statistics_rx_phy rx_ofdm;
760 struct statistics_rx_ht_phy rx_ofdm_ht;
761 struct statistics_rx_phy rx_cck;
762 struct statistics_tx tx;
763 struct statistics_bt_activity bt_activity;
764 } accum_stats, delta_stats, max_delta_stats;
765 #endif
766
767 /*
768 * reporting the number of tids has AGG on. 0 means
769 * no AGGREGATION
770 */
771 u8 agg_tids_count;
772
773 struct iwl_rx_phy_res last_phy_res;
774 u32 ampdu_ref;
775 bool last_phy_res_valid;
776
777 /*
778 * chain noise reset and gain commands are the
779 * two extra calibration commands follows the standard
780 * phy calibration commands
781 */
782 u8 phy_calib_chain_noise_reset_cmd;
783 u8 phy_calib_chain_noise_gain_cmd;
784
785 /* counts reply_tx error */
786 struct reply_tx_error_statistics reply_tx_stats;
787 struct reply_agg_tx_error_statistics reply_agg_tx_stats;
788
789 /* remain-on-channel offload support */
790 struct ieee80211_channel *hw_roc_channel;
791 struct delayed_work hw_roc_disable_work;
792 int hw_roc_duration;
793 bool hw_roc_setup, hw_roc_start_notified;
794
795 /* bt coex */
796 u8 bt_enable_flag;
797 u8 bt_status;
798 u8 bt_traffic_load, last_bt_traffic_load;
799 bool bt_ch_announce;
800 bool bt_full_concurrent;
801 bool bt_ant_couple_ok;
802 __le32 kill_ack_mask;
803 __le32 kill_cts_mask;
804 __le16 bt_valid;
805 bool reduced_txpower;
806 u16 bt_on_thresh;
807 u16 bt_duration;
808 u16 dynamic_frag_thresh;
809 u8 bt_ci_compliance;
810 struct work_struct bt_traffic_change_work;
811 bool bt_enable_pspoll;
812 struct iwl_rxon_context *cur_rssi_ctx;
813 bool bt_is_sco;
814
815 struct work_struct restart;
816 struct work_struct scan_completed;
817 struct work_struct abort_scan;
818
819 struct work_struct beacon_update;
820 struct iwl_rxon_context *beacon_ctx;
821 struct sk_buff *beacon_skb;
822 void *beacon_cmd;
823
824 struct work_struct tt_work;
825 struct work_struct ct_enter;
826 struct work_struct ct_exit;
827 struct work_struct start_internal_scan;
828 struct work_struct tx_flush;
829 struct work_struct bt_full_concurrency;
830 struct work_struct bt_runtime_config;
831
832 struct delayed_work scan_check;
833
834 /* TX Power settings */
835 s8 tx_power_user_lmt;
836 s8 tx_power_next;
837
838 #ifdef CONFIG_IWLWIFI_DEBUGFS
839 /* debugfs */
840 struct dentry *debugfs_dir;
841 u32 dbgfs_sram_offset, dbgfs_sram_len;
842 bool disable_ht40;
843 void *wowlan_sram;
844 #endif /* CONFIG_IWLWIFI_DEBUGFS */
845
846 struct iwl_nvm_data *nvm_data;
847 /* eeprom blob for debugfs/testmode */
848 u8 *eeprom_blob;
849 size_t eeprom_blob_size;
850
851 struct work_struct txpower_work;
852 u32 calib_disabled;
853 struct work_struct run_time_calib_work;
854 struct timer_list statistics_periodic;
855 struct timer_list ucode_trace;
856
857 struct iwl_event_log event_log;
858
859 struct led_classdev led;
860 unsigned long blink_on, blink_off;
861 bool led_registered;
862
863 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
864 struct iwl_test tst;
865 u32 tm_fixed_rate;
866 #endif
867
868 /* WoWLAN GTK rekey data */
869 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
870 __le64 replay_ctr;
871 __le16 last_seq_ctl;
872 bool have_rekey_data;
873
874 /* device_pointers: pointers to ucode event tables */
875 struct {
876 u32 error_event_table;
877 u32 log_event_table;
878 } device_pointers;
879
880 /* indicator of loaded ucode image */
881 enum iwl_ucode_type cur_ucode;
882 }; /*iwl_priv */
883
884 static inline struct iwl_rxon_context *
iwl_rxon_ctx_from_vif(struct ieee80211_vif * vif)885 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
886 {
887 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
888
889 return vif_priv->ctx;
890 }
891
892 #define for_each_context(priv, ctx) \
893 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
894 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
895 if (priv->valid_contexts & BIT(ctx->ctxid))
896
iwl_is_associated_ctx(struct iwl_rxon_context * ctx)897 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
898 {
899 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
900 }
901
iwl_is_associated(struct iwl_priv * priv,enum iwl_rxon_context_id ctxid)902 static inline int iwl_is_associated(struct iwl_priv *priv,
903 enum iwl_rxon_context_id ctxid)
904 {
905 return iwl_is_associated_ctx(&priv->contexts[ctxid]);
906 }
907
iwl_is_any_associated(struct iwl_priv * priv)908 static inline int iwl_is_any_associated(struct iwl_priv *priv)
909 {
910 struct iwl_rxon_context *ctx;
911 for_each_context(priv, ctx)
912 if (iwl_is_associated_ctx(ctx))
913 return true;
914 return false;
915 }
916
917 #endif /* __iwl_dev_h__ */
918