1 /******************************************************************************
2 *
3 * Copyright(c) 2003 - 2014 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 <linuxwifi@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 "fw/img.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 "fw/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 /* CT-KILL constants */
56 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
57 #define CT_KILL_THRESHOLD 114 /* in Celsius */
58 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
59
60 /* Default noise level to report when noise measurement is not available.
61 * This may be because we're:
62 * 1) Not associated no beacon statistics being sent to driver)
63 * 2) Scanning (noise measurement does not apply to associated channel)
64 * Use default noise value of -127 ... this is below the range of measurable
65 * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
66 * Also, -127 works better than 0 when averaging frames with/without
67 * noise info (e.g. averaging might be done in app); measured dBm values are
68 * always negative ... using a negative value as the default keeps all
69 * averages within an s8's (used in some apps) range of negative values. */
70 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
71
72 /*
73 * RTS threshold here is total size [2347] minus 4 FCS bytes
74 * Per spec:
75 * a value of 0 means RTS on all data/management packets
76 * a value > max MSDU size means no RTS
77 * else RTS for data/management frames where MPDU is larger
78 * than RTS value.
79 */
80 #define DEFAULT_RTS_THRESHOLD 2347U
81 #define MIN_RTS_THRESHOLD 0U
82 #define MAX_RTS_THRESHOLD 2347U
83 #define MAX_MSDU_SIZE 2304U
84 #define MAX_MPDU_SIZE 2346U
85 #define DEFAULT_BEACON_INTERVAL 200U
86 #define DEFAULT_SHORT_RETRY_LIMIT 7U
87 #define DEFAULT_LONG_RETRY_LIMIT 4U
88
89 #define IWL_NUM_SCAN_RATES (2)
90
91
92 #define IEEE80211_DATA_LEN 2304
93 #define IEEE80211_4ADDR_LEN 30
94 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
95 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
96
97 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
98 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
99 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
100
101 #define IWL_SUPPORTED_RATES_IE_LEN 8
102
103 #define IWL_INVALID_RATE 0xFF
104 #define IWL_INVALID_VALUE -1
105
106 union iwl_ht_rate_supp {
107 u16 rates;
108 struct {
109 u8 siso_rate;
110 u8 mimo_rate;
111 };
112 };
113
114 struct iwl_ht_config {
115 bool single_chain_sufficient;
116 enum ieee80211_smps_mode smps; /* current smps mode */
117 };
118
119 /* QoS structures */
120 struct iwl_qos_info {
121 int qos_active;
122 struct iwl_qosparam_cmd def_qos_parm;
123 };
124
125 /**
126 * enum iwl_agg_state
127 *
128 * The state machine of the BA agreement establishment / tear down.
129 * These states relate to a specific RA / TID.
130 *
131 * @IWL_AGG_OFF: aggregation is not used
132 * @IWL_AGG_STARTING: aggregation are starting (between start and oper)
133 * @IWL_AGG_ON: aggregation session is up
134 * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
135 * HW queue to be empty from packets for this RA /TID.
136 * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
137 * HW queue to be empty from packets for this RA /TID.
138 */
139 enum iwl_agg_state {
140 IWL_AGG_OFF = 0,
141 IWL_AGG_STARTING,
142 IWL_AGG_ON,
143 IWL_EMPTYING_HW_QUEUE_ADDBA,
144 IWL_EMPTYING_HW_QUEUE_DELBA,
145 };
146
147 /**
148 * struct iwl_ht_agg - aggregation state machine
149
150 * This structs holds the states for the BA agreement establishment and tear
151 * down. It also holds the state during the BA session itself. This struct is
152 * duplicated for each RA / TID.
153
154 * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
155 * Tx response (REPLY_TX), and the block ack notification
156 * (REPLY_COMPRESSED_BA).
157 * @state: state of the BA agreement establishment / tear down.
158 * @txq_id: Tx queue used by the BA session
159 * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
160 * the first packet to be sent in legacy HW queue in Tx AGG stop flow.
161 * Basically when next_reclaimed reaches ssn, we can tell mac80211 that
162 * we are ready to finish the Tx AGG stop / start flow.
163 * @wait_for_ba: Expect block-ack before next Tx reply
164 */
165 struct iwl_ht_agg {
166 u32 rate_n_flags;
167 enum iwl_agg_state state;
168 u16 txq_id;
169 u16 ssn;
170 bool wait_for_ba;
171 };
172
173 /**
174 * struct iwl_tid_data - one for each RA / TID
175
176 * This structs holds the states for each RA / TID.
177
178 * @seq_number: the next WiFi sequence number to use
179 * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
180 * This is basically (last acked packet++).
181 * @agg: aggregation state machine
182 */
183 struct iwl_tid_data {
184 u16 seq_number;
185 u16 next_reclaimed;
186 struct iwl_ht_agg agg;
187 };
188
189 /*
190 * Structure should be accessed with sta_lock held. When station addition
191 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
192 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
193 * held.
194 */
195 struct iwl_station_entry {
196 struct iwl_addsta_cmd sta;
197 u8 used, ctxid;
198 struct iwl_link_quality_cmd *lq;
199 };
200
201 /*
202 * iwl_station_priv: Driver's private station information
203 *
204 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
205 * in the structure for use by driver. This structure is places in that
206 * space.
207 */
208 struct iwl_station_priv {
209 struct iwl_rxon_context *ctx;
210 struct iwl_lq_sta lq_sta;
211 atomic_t pending_frames;
212 bool client;
213 bool asleep;
214 u8 max_agg_bufsize;
215 u8 sta_id;
216 };
217
218 /**
219 * struct iwl_vif_priv - driver's private per-interface information
220 *
221 * When mac80211 allocates a virtual interface, it can allocate
222 * space for us to put data into.
223 */
224 struct iwl_vif_priv {
225 struct iwl_rxon_context *ctx;
226 u8 ibss_bssid_sta_id;
227 };
228
229 struct iwl_sensitivity_ranges {
230 u16 min_nrg_cck;
231
232 u16 nrg_th_cck;
233 u16 nrg_th_ofdm;
234
235 u16 auto_corr_min_ofdm;
236 u16 auto_corr_min_ofdm_mrc;
237 u16 auto_corr_min_ofdm_x1;
238 u16 auto_corr_min_ofdm_mrc_x1;
239
240 u16 auto_corr_max_ofdm;
241 u16 auto_corr_max_ofdm_mrc;
242 u16 auto_corr_max_ofdm_x1;
243 u16 auto_corr_max_ofdm_mrc_x1;
244
245 u16 auto_corr_max_cck;
246 u16 auto_corr_max_cck_mrc;
247 u16 auto_corr_min_cck;
248 u16 auto_corr_min_cck_mrc;
249
250 u16 barker_corr_th_min;
251 u16 barker_corr_th_min_mrc;
252 u16 nrg_th_cca;
253 };
254
255
256 #define KELVIN_TO_CELSIUS(x) ((x)-273)
257 #define CELSIUS_TO_KELVIN(x) ((x)+273)
258
259
260 /******************************************************************************
261 *
262 * Functions implemented in core module which are forward declared here
263 * for use by iwl-[4-5].c
264 *
265 * NOTE: The implementation of these functions are not hardware specific
266 * which is why they are in the core module files.
267 *
268 * Naming convention --
269 * iwl_ <-- Is part of iwlwifi
270 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
271 *
272 ****************************************************************************/
273 void iwl_update_chain_flags(struct iwl_priv *priv);
274 extern const u8 iwl_bcast_addr[ETH_ALEN];
275
276 #define IWL_OPERATION_MODE_AUTO 0
277 #define IWL_OPERATION_MODE_HT_ONLY 1
278 #define IWL_OPERATION_MODE_MIXED 2
279 #define IWL_OPERATION_MODE_20MHZ 3
280
281 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
282
283 /* Sensitivity and chain noise calibration */
284 #define INITIALIZATION_VALUE 0xFFFF
285 #define IWL_CAL_NUM_BEACONS 16
286 #define MAXIMUM_ALLOWED_PATHLOSS 15
287
288 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
289
290 #define MAX_FA_OFDM 50
291 #define MIN_FA_OFDM 5
292 #define MAX_FA_CCK 50
293 #define MIN_FA_CCK 5
294
295 #define AUTO_CORR_STEP_OFDM 1
296
297 #define AUTO_CORR_STEP_CCK 3
298 #define AUTO_CORR_MAX_TH_CCK 160
299
300 #define NRG_DIFF 2
301 #define NRG_STEP_CCK 2
302 #define NRG_MARGIN 8
303 #define MAX_NUMBER_CCK_NO_FA 100
304
305 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
306
307 #define CHAIN_A 0
308 #define CHAIN_B 1
309 #define CHAIN_C 2
310 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
311 #define ALL_BAND_FILTER 0xFF00
312 #define IN_BAND_FILTER 0xFF
313 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
314
315 #define NRG_NUM_PREV_STAT_L 20
316 #define NUM_RX_CHAINS 3
317
318 enum iwlagn_false_alarm_state {
319 IWL_FA_TOO_MANY = 0,
320 IWL_FA_TOO_FEW = 1,
321 IWL_FA_GOOD_RANGE = 2,
322 };
323
324 enum iwlagn_chain_noise_state {
325 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
326 IWL_CHAIN_NOISE_ACCUMULATE,
327 IWL_CHAIN_NOISE_CALIBRATED,
328 IWL_CHAIN_NOISE_DONE,
329 };
330
331 /* Sensitivity calib data */
332 struct iwl_sensitivity_data {
333 u32 auto_corr_ofdm;
334 u32 auto_corr_ofdm_mrc;
335 u32 auto_corr_ofdm_x1;
336 u32 auto_corr_ofdm_mrc_x1;
337 u32 auto_corr_cck;
338 u32 auto_corr_cck_mrc;
339
340 u32 last_bad_plcp_cnt_ofdm;
341 u32 last_fa_cnt_ofdm;
342 u32 last_bad_plcp_cnt_cck;
343 u32 last_fa_cnt_cck;
344
345 u32 nrg_curr_state;
346 u32 nrg_prev_state;
347 u32 nrg_value[10];
348 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
349 u32 nrg_silence_ref;
350 u32 nrg_energy_idx;
351 u32 nrg_silence_idx;
352 u32 nrg_th_cck;
353 s32 nrg_auto_corr_silence_diff;
354 u32 num_in_cck_no_fa;
355 u32 nrg_th_ofdm;
356
357 u16 barker_corr_th_min;
358 u16 barker_corr_th_min_mrc;
359 u16 nrg_th_cca;
360 };
361
362 /* Chain noise (differential Rx gain) calib data */
363 struct iwl_chain_noise_data {
364 u32 active_chains;
365 u32 chain_noise_a;
366 u32 chain_noise_b;
367 u32 chain_noise_c;
368 u32 chain_signal_a;
369 u32 chain_signal_b;
370 u32 chain_signal_c;
371 u16 beacon_count;
372 u8 disconn_array[NUM_RX_CHAINS];
373 u8 delta_gain_code[NUM_RX_CHAINS];
374 u8 radio_write;
375 u8 state;
376 };
377
378 enum {
379 MEASUREMENT_READY = (1 << 0),
380 MEASUREMENT_ACTIVE = (1 << 1),
381 };
382
383 /* reply_tx_statistics (for _agn devices) */
384 struct reply_tx_error_statistics {
385 u32 pp_delay;
386 u32 pp_few_bytes;
387 u32 pp_bt_prio;
388 u32 pp_quiet_period;
389 u32 pp_calc_ttak;
390 u32 int_crossed_retry;
391 u32 short_limit;
392 u32 long_limit;
393 u32 fifo_underrun;
394 u32 drain_flow;
395 u32 rfkill_flush;
396 u32 life_expire;
397 u32 dest_ps;
398 u32 host_abort;
399 u32 bt_retry;
400 u32 sta_invalid;
401 u32 frag_drop;
402 u32 tid_disable;
403 u32 fifo_flush;
404 u32 insuff_cf_poll;
405 u32 fail_hw_drop;
406 u32 sta_color_mismatch;
407 u32 unknown;
408 };
409
410 /* reply_agg_tx_statistics (for _agn devices) */
411 struct reply_agg_tx_error_statistics {
412 u32 underrun;
413 u32 bt_prio;
414 u32 few_bytes;
415 u32 abort;
416 u32 last_sent_ttl;
417 u32 last_sent_try;
418 u32 last_sent_bt_kill;
419 u32 scd_query;
420 u32 bad_crc32;
421 u32 response;
422 u32 dump_tx;
423 u32 delay_tx;
424 u32 unknown;
425 };
426
427 /*
428 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
429 * to perform continuous uCode event logging operation if enabled
430 */
431 #define UCODE_TRACE_PERIOD (10)
432
433 /*
434 * iwl_event_log: current uCode event log position
435 *
436 * @ucode_trace: enable/disable ucode continuous trace timer
437 * @num_wraps: how many times the event buffer wraps
438 * @next_entry: the entry just before the next one that uCode would fill
439 * @non_wraps_count: counter for no wrap detected when dump ucode events
440 * @wraps_once_count: counter for wrap once detected when dump ucode events
441 * @wraps_more_count: counter for wrap more than once detected
442 * when dump ucode events
443 */
444 struct iwl_event_log {
445 bool ucode_trace;
446 u32 num_wraps;
447 u32 next_entry;
448 int non_wraps_count;
449 int wraps_once_count;
450 int wraps_more_count;
451 };
452
453 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
454
455 /* BT Antenna Coupling Threshold (dB) */
456 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
457
458 /* Firmware reload counter and Timestamp */
459 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
460 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
461
462
463 struct iwl_rf_reset {
464 int reset_request_count;
465 int reset_success_count;
466 int reset_reject_count;
467 unsigned long last_reset_jiffies;
468 };
469
470 enum iwl_rxon_context_id {
471 IWL_RXON_CTX_BSS,
472 IWL_RXON_CTX_PAN,
473
474 NUM_IWL_RXON_CTX
475 };
476
477 /* extend beacon time format bit shifting */
478 /*
479 * for _agn devices
480 * bits 31:22 - extended
481 * bits 21:0 - interval
482 */
483 #define IWLAGN_EXT_BEACON_TIME_POS 22
484
485 struct iwl_rxon_context {
486 struct ieee80211_vif *vif;
487
488 u8 mcast_queue;
489 u8 ac_to_queue[IEEE80211_NUM_ACS];
490 u8 ac_to_fifo[IEEE80211_NUM_ACS];
491
492 /*
493 * We could use the vif to indicate active, but we
494 * also need it to be active during disabling when
495 * we already removed the vif for type setting.
496 */
497 bool always_active, is_active;
498
499 bool ht_need_multiple_chains;
500
501 enum iwl_rxon_context_id ctxid;
502
503 u32 interface_modes, exclusive_interface_modes;
504 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
505
506 /*
507 * We declare this const so it can only be
508 * changed via explicit cast within the
509 * routines that actually update the physical
510 * hardware.
511 */
512 const struct iwl_rxon_cmd active;
513 struct iwl_rxon_cmd staging;
514
515 struct iwl_rxon_time_cmd timing;
516
517 struct iwl_qos_info qos_data;
518
519 u8 bcast_sta_id, ap_sta_id;
520
521 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
522 u8 qos_cmd;
523 u8 wep_key_cmd;
524
525 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
526 u8 key_mapping_keys;
527
528 __le32 station_flags;
529
530 int beacon_int;
531
532 struct {
533 bool non_gf_sta_present;
534 u8 protection;
535 bool enabled, is_40mhz;
536 u8 extension_chan_offset;
537 } ht;
538 };
539
540 enum iwl_scan_type {
541 IWL_SCAN_NORMAL,
542 IWL_SCAN_RADIO_RESET,
543 };
544
545 /**
546 * struct iwl_hw_params
547 *
548 * Holds the module parameters
549 *
550 * @tx_chains_num: Number of TX chains
551 * @rx_chains_num: Number of RX chains
552 * @ct_kill_threshold: temperature threshold - in hw dependent unit
553 * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
554 * relevant for 1000, 6000 and up
555 * @struct iwl_sensitivity_ranges: range of sensitivity values
556 * @use_rts_for_aggregation: use rts/cts protection for HT traffic
557 */
558 struct iwl_hw_params {
559 u8 tx_chains_num;
560 u8 rx_chains_num;
561 bool use_rts_for_aggregation;
562 u32 ct_kill_threshold;
563 u32 ct_kill_exit_threshold;
564
565 const struct iwl_sensitivity_ranges *sens;
566 };
567
568 /**
569 * struct iwl_dvm_bt_params - DVM specific BT (coex) parameters
570 * @advanced_bt_coexist: support advanced bt coexist
571 * @bt_init_traffic_load: specify initial bt traffic load
572 * @bt_prio_boost: default bt priority boost value
573 * @agg_time_limit: maximum number of uSec in aggregation
574 * @bt_sco_disable: uCode should not response to BT in SCO/ESCO mode
575 */
576 struct iwl_dvm_bt_params {
577 bool advanced_bt_coexist;
578 u8 bt_init_traffic_load;
579 u32 bt_prio_boost;
580 u16 agg_time_limit;
581 bool bt_sco_disable;
582 bool bt_session_2;
583 };
584
585 /**
586 * struct iwl_dvm_cfg - DVM firmware specific device configuration
587 * @set_hw_params: set hardware parameters
588 * @set_channel_switch: send channel switch command
589 * @nic_config: apply device specific configuration
590 * @temperature: read temperature
591 * @adv_thermal_throttle: support advance thermal throttle
592 * @support_ct_kill_exit: support ct kill exit condition
593 * @plcp_delta_threshold: plcp error rate threshold used to trigger
594 * radio tuning when there is a high receiving plcp error rate
595 * @chain_noise_scale: default chain noise scale used for gain computation
596 * @hd_v2: v2 of enhanced sensitivity value, used for 2000 series and up
597 * @no_idle_support: do not support idle mode
598 * @bt_params: pointer to BT parameters
599 * @need_temp_offset_calib: need to perform temperature offset calibration
600 * @no_xtal_calib: some devices do not need crystal calibration data,
601 * don't send it to those
602 * @temp_offset_v2: support v2 of temperature offset calibration
603 * @adv_pm: advanced power management
604 */
605 struct iwl_dvm_cfg {
606 void (*set_hw_params)(struct iwl_priv *priv);
607 int (*set_channel_switch)(struct iwl_priv *priv,
608 struct ieee80211_channel_switch *ch_switch);
609 void (*nic_config)(struct iwl_priv *priv);
610 void (*temperature)(struct iwl_priv *priv);
611
612 const struct iwl_dvm_bt_params *bt_params;
613 s32 chain_noise_scale;
614 u8 plcp_delta_threshold;
615 bool adv_thermal_throttle;
616 bool support_ct_kill_exit;
617 bool hd_v2;
618 bool no_idle_support;
619 bool need_temp_offset_calib;
620 bool no_xtal_calib;
621 bool temp_offset_v2;
622 bool adv_pm;
623 };
624
625 struct iwl_wipan_noa_data {
626 struct rcu_head rcu_head;
627 u32 length;
628 u8 data[];
629 };
630
631 /* Calibration disabling bit mask */
632 enum {
633 IWL_CALIB_ENABLE_ALL = 0,
634
635 IWL_SENSITIVITY_CALIB_DISABLED = BIT(0),
636 IWL_CHAIN_NOISE_CALIB_DISABLED = BIT(1),
637 IWL_TX_POWER_CALIB_DISABLED = BIT(2),
638
639 IWL_CALIB_DISABLE_ALL = 0xFFFFFFFF,
640 };
641
642 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
643 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
644
645 #define IWL_MAC80211_GET_DVM(_hw) \
646 ((struct iwl_priv *) ((struct iwl_op_mode *) \
647 (_hw)->priv)->op_mode_specific)
648
649 struct iwl_priv {
650
651 struct iwl_trans *trans;
652 struct device *dev; /* for debug prints only */
653 const struct iwl_cfg *cfg;
654 const struct iwl_fw *fw;
655 const struct iwl_dvm_cfg *lib;
656 unsigned long status;
657
658 spinlock_t sta_lock;
659 struct mutex mutex;
660
661 unsigned long transport_queue_stop;
662 bool passive_no_rx;
663 #define IWL_INVALID_MAC80211_QUEUE 0xff
664 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
665 atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
666
667 unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
668
669 /* ieee device used by generic ieee processing code */
670 struct ieee80211_hw *hw;
671
672 struct napi_struct *napi;
673
674 struct list_head calib_results;
675
676 struct workqueue_struct *workqueue;
677
678 struct iwl_hw_params hw_params;
679
680 enum nl80211_band band;
681 u8 valid_contexts;
682
683 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
684 struct iwl_rx_cmd_buffer *rxb);
685
686 struct iwl_notif_wait_data notif_wait;
687
688 /* spectrum measurement report caching */
689 struct iwl_spectrum_notification measure_report;
690 u8 measurement_status;
691
692 /* ucode beacon time */
693 u32 ucode_beacon_time;
694 int missed_beacon_threshold;
695
696 /* track IBSS manager (last beacon) status */
697 u32 ibss_manager;
698
699 /* jiffies when last recovery from statistics was performed */
700 unsigned long rx_statistics_jiffies;
701
702 /*counters */
703 u32 rx_handlers_stats[REPLY_MAX];
704
705 /* rf reset */
706 struct iwl_rf_reset rf_reset;
707
708 /* firmware reload counter and timestamp */
709 unsigned long reload_jiffies;
710 int reload_count;
711 bool ucode_loaded;
712
713 u8 plcp_delta_threshold;
714
715 /* thermal calibration */
716 s32 temperature; /* Celsius */
717 s32 last_temperature;
718
719 struct iwl_wipan_noa_data __rcu *noa_data;
720
721 /* Scan related variables */
722 unsigned long scan_start;
723 unsigned long scan_start_tsf;
724 void *scan_cmd;
725 enum nl80211_band scan_band;
726 struct cfg80211_scan_request *scan_request;
727 struct ieee80211_vif *scan_vif;
728 enum iwl_scan_type scan_type;
729 u8 scan_tx_ant[NUM_NL80211_BANDS];
730 u8 mgmt_tx_ant;
731
732 /* max number of station keys */
733 u8 sta_key_max_num;
734
735 bool new_scan_threshold_behaviour;
736
737 bool wowlan;
738
739 /* EEPROM MAC addresses */
740 struct mac_address addresses[2];
741
742 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
743
744 __le16 switch_channel;
745
746 u8 start_calib;
747 struct iwl_sensitivity_data sensitivity_data;
748 struct iwl_chain_noise_data chain_noise_data;
749 __le16 sensitivity_tbl[HD_TABLE_SIZE];
750 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
751
752 struct iwl_ht_config current_ht_config;
753
754 /* Rate scaling data */
755 u8 retry_rate;
756
757 int activity_timer_active;
758
759 struct iwl_power_mgr power_data;
760 struct iwl_tt_mgmt thermal_throttle;
761
762 /* station table variables */
763 int num_stations;
764 struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
765 unsigned long ucode_key_table;
766 struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
767 atomic_t num_aux_in_flight;
768
769 u8 mac80211_registered;
770
771 /* Indication if ieee80211_ops->open has been called */
772 u8 is_open;
773
774 enum nl80211_iftype iw_mode;
775
776 /* Last Rx'd beacon timestamp */
777 u64 timestamp;
778
779 struct {
780 __le32 flag;
781 struct statistics_general_common common;
782 struct statistics_rx_non_phy rx_non_phy;
783 struct statistics_rx_phy rx_ofdm;
784 struct statistics_rx_ht_phy rx_ofdm_ht;
785 struct statistics_rx_phy rx_cck;
786 struct statistics_tx tx;
787 #ifdef CONFIG_IWLWIFI_DEBUGFS
788 struct statistics_bt_activity bt_activity;
789 __le32 num_bt_kills, accum_num_bt_kills;
790 #endif
791 spinlock_t lock;
792 } statistics;
793 #ifdef CONFIG_IWLWIFI_DEBUGFS
794 struct {
795 struct statistics_general_common common;
796 struct statistics_rx_non_phy rx_non_phy;
797 struct statistics_rx_phy rx_ofdm;
798 struct statistics_rx_ht_phy rx_ofdm_ht;
799 struct statistics_rx_phy rx_cck;
800 struct statistics_tx tx;
801 struct statistics_bt_activity bt_activity;
802 } accum_stats, delta_stats, max_delta_stats;
803 #endif
804
805 /*
806 * reporting the number of tids has AGG on. 0 means
807 * no AGGREGATION
808 */
809 u8 agg_tids_count;
810
811 struct iwl_rx_phy_res last_phy_res;
812 u32 ampdu_ref;
813 bool last_phy_res_valid;
814
815 /*
816 * chain noise reset and gain commands are the
817 * two extra calibration commands follows the standard
818 * phy calibration commands
819 */
820 u8 phy_calib_chain_noise_reset_cmd;
821 u8 phy_calib_chain_noise_gain_cmd;
822
823 /* counts reply_tx error */
824 struct reply_tx_error_statistics reply_tx_stats;
825 struct reply_agg_tx_error_statistics reply_agg_tx_stats;
826
827 /* bt coex */
828 u8 bt_enable_flag;
829 u8 bt_status;
830 u8 bt_traffic_load, last_bt_traffic_load;
831 bool bt_ch_announce;
832 bool bt_full_concurrent;
833 bool bt_ant_couple_ok;
834 __le32 kill_ack_mask;
835 __le32 kill_cts_mask;
836 __le16 bt_valid;
837 bool reduced_txpower;
838 u16 bt_on_thresh;
839 u16 bt_duration;
840 u16 dynamic_frag_thresh;
841 u8 bt_ci_compliance;
842 struct work_struct bt_traffic_change_work;
843 bool bt_enable_pspoll;
844 struct iwl_rxon_context *cur_rssi_ctx;
845 bool bt_is_sco;
846
847 struct work_struct restart;
848 struct work_struct scan_completed;
849 struct work_struct abort_scan;
850
851 struct work_struct beacon_update;
852 struct iwl_rxon_context *beacon_ctx;
853 struct sk_buff *beacon_skb;
854 void *beacon_cmd;
855
856 struct work_struct tt_work;
857 struct work_struct ct_enter;
858 struct work_struct ct_exit;
859 struct work_struct start_internal_scan;
860 struct work_struct tx_flush;
861 struct work_struct bt_full_concurrency;
862 struct work_struct bt_runtime_config;
863
864 struct delayed_work scan_check;
865
866 /* TX Power settings */
867 s8 tx_power_user_lmt;
868 s8 tx_power_next;
869
870 #ifdef CONFIG_IWLWIFI_DEBUGFS
871 /* debugfs */
872 struct dentry *debugfs_dir;
873 u32 dbgfs_sram_offset, dbgfs_sram_len;
874 bool disable_ht40;
875 void *wowlan_sram;
876 #endif /* CONFIG_IWLWIFI_DEBUGFS */
877
878 struct iwl_nvm_data *nvm_data;
879 /* eeprom blob for debugfs */
880 u8 *eeprom_blob;
881 size_t eeprom_blob_size;
882
883 struct work_struct txpower_work;
884 u32 calib_disabled;
885 struct work_struct run_time_calib_work;
886 struct timer_list statistics_periodic;
887 struct timer_list ucode_trace;
888
889 struct iwl_event_log event_log;
890
891 #ifdef CONFIG_IWLWIFI_LEDS
892 struct led_classdev led;
893 unsigned long blink_on, blink_off;
894 bool led_registered;
895 #endif
896
897 /* WoWLAN GTK rekey data */
898 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
899 __le64 replay_ctr;
900 __le16 last_seq_ctl;
901 bool have_rekey_data;
902 #ifdef CONFIG_PM_SLEEP
903 struct wiphy_wowlan_support wowlan_support;
904 #endif
905
906 /* device_pointers: pointers to ucode event tables */
907 struct {
908 u32 error_event_table;
909 u32 log_event_table;
910 } device_pointers;
911
912 /* indicator of loaded ucode image */
913 enum iwl_ucode_type cur_ucode;
914 }; /*iwl_priv */
915
916 static inline struct iwl_rxon_context *
iwl_rxon_ctx_from_vif(struct ieee80211_vif * vif)917 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
918 {
919 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
920
921 return vif_priv->ctx;
922 }
923
924 #define for_each_context(priv, ctx) \
925 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
926 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
927 if (priv->valid_contexts & BIT(ctx->ctxid))
928
iwl_is_associated_ctx(struct iwl_rxon_context * ctx)929 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
930 {
931 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
932 }
933
iwl_is_associated(struct iwl_priv * priv,enum iwl_rxon_context_id ctxid)934 static inline int iwl_is_associated(struct iwl_priv *priv,
935 enum iwl_rxon_context_id ctxid)
936 {
937 return iwl_is_associated_ctx(&priv->contexts[ctxid]);
938 }
939
iwl_is_any_associated(struct iwl_priv * priv)940 static inline int iwl_is_any_associated(struct iwl_priv *priv)
941 {
942 struct iwl_rxon_context *ctx;
943 for_each_context(priv, ctx)
944 if (iwl_is_associated_ctx(ctx))
945 return true;
946 return false;
947 }
948
949 #endif /* __iwl_dev_h__ */
950
