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16#ifndef __iwl_dev_h__
17#define __iwl_dev_h__
18
19#include <linux/interrupt.h>
20#include <linux/kernel.h>
21#include <linux/wait.h>
22#include <linux/leds.h>
23#include <linux/slab.h>
24#include <linux/mutex.h>
25
26#include "fw/img.h"
27#include "iwl-eeprom-parse.h"
28#include "iwl-csr.h"
29#include "iwl-debug.h"
30#include "iwl-agn-hw.h"
31#include "iwl-op-mode.h"
32#include "fw/notif-wait.h"
33#include "iwl-trans.h"
34
35#include "led.h"
36#include "power.h"
37#include "rs.h"
38#include "tt.h"
39
40
41#define CT_KILL_THRESHOLD_LEGACY 110
42#define CT_KILL_THRESHOLD 114
43#define CT_KILL_EXIT_THRESHOLD 95
44
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54
55#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
56
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64
65#define DEFAULT_RTS_THRESHOLD 2347U
66#define MIN_RTS_THRESHOLD 0U
67#define MAX_RTS_THRESHOLD 2347U
68#define MAX_MSDU_SIZE 2304U
69#define MAX_MPDU_SIZE 2346U
70#define DEFAULT_BEACON_INTERVAL 200U
71#define DEFAULT_SHORT_RETRY_LIMIT 7U
72#define DEFAULT_LONG_RETRY_LIMIT 4U
73
74#define IWL_NUM_SCAN_RATES (2)
75
76
77#define IEEE80211_DATA_LEN 2304
78#define IEEE80211_4ADDR_LEN 30
79#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
80#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
81
82#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
83#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
84#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
85
86#define IWL_SUPPORTED_RATES_IE_LEN 8
87
88#define IWL_INVALID_RATE 0xFF
89#define IWL_INVALID_VALUE -1
90
91union iwl_ht_rate_supp {
92 u16 rates;
93 struct {
94 u8 siso_rate;
95 u8 mimo_rate;
96 };
97};
98
99struct iwl_ht_config {
100 bool single_chain_sufficient;
101 enum ieee80211_smps_mode smps;
102};
103
104
105struct iwl_qos_info {
106 int qos_active;
107 struct iwl_qosparam_cmd def_qos_parm;
108};
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123
124enum iwl_agg_state {
125 IWL_AGG_OFF = 0,
126 IWL_AGG_STARTING,
127 IWL_AGG_ON,
128 IWL_EMPTYING_HW_QUEUE_ADDBA,
129 IWL_EMPTYING_HW_QUEUE_DELBA,
130};
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149
150struct iwl_ht_agg {
151 u32 rate_n_flags;
152 enum iwl_agg_state state;
153 u16 txq_id;
154 u16 ssn;
155 bool wait_for_ba;
156};
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167
168struct iwl_tid_data {
169 u16 seq_number;
170 u16 next_reclaimed;
171 struct iwl_ht_agg agg;
172};
173
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179
180struct iwl_station_entry {
181 struct iwl_addsta_cmd sta;
182 u8 used, ctxid;
183 struct iwl_link_quality_cmd *lq;
184};
185
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191
192
193struct iwl_station_priv {
194 struct iwl_rxon_context *ctx;
195 struct iwl_lq_sta lq_sta;
196 atomic_t pending_frames;
197 bool client;
198 bool asleep;
199 u8 max_agg_bufsize;
200 u8 sta_id;
201};
202
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208
209struct iwl_vif_priv {
210 struct iwl_rxon_context *ctx;
211 u8 ibss_bssid_sta_id;
212};
213
214struct iwl_sensitivity_ranges {
215 u16 min_nrg_cck;
216
217 u16 nrg_th_cck;
218 u16 nrg_th_ofdm;
219
220 u16 auto_corr_min_ofdm;
221 u16 auto_corr_min_ofdm_mrc;
222 u16 auto_corr_min_ofdm_x1;
223 u16 auto_corr_min_ofdm_mrc_x1;
224
225 u16 auto_corr_max_ofdm;
226 u16 auto_corr_max_ofdm_mrc;
227 u16 auto_corr_max_ofdm_x1;
228 u16 auto_corr_max_ofdm_mrc_x1;
229
230 u16 auto_corr_max_cck;
231 u16 auto_corr_max_cck_mrc;
232 u16 auto_corr_min_cck;
233 u16 auto_corr_min_cck_mrc;
234
235 u16 barker_corr_th_min;
236 u16 barker_corr_th_min_mrc;
237 u16 nrg_th_cca;
238};
239
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252
253void iwl_update_chain_flags(struct iwl_priv *priv);
254extern const u8 iwl_bcast_addr[ETH_ALEN];
255
256#define IWL_OPERATION_MODE_AUTO 0
257#define IWL_OPERATION_MODE_HT_ONLY 1
258#define IWL_OPERATION_MODE_MIXED 2
259#define IWL_OPERATION_MODE_20MHZ 3
260
261#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
262
263
264#define INITIALIZATION_VALUE 0xFFFF
265#define IWL_CAL_NUM_BEACONS 16
266#define MAXIMUM_ALLOWED_PATHLOSS 15
267
268#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
269
270#define MAX_FA_OFDM 50
271#define MIN_FA_OFDM 5
272#define MAX_FA_CCK 50
273#define MIN_FA_CCK 5
274
275#define AUTO_CORR_STEP_OFDM 1
276
277#define AUTO_CORR_STEP_CCK 3
278#define AUTO_CORR_MAX_TH_CCK 160
279
280#define NRG_DIFF 2
281#define NRG_STEP_CCK 2
282#define NRG_MARGIN 8
283#define MAX_NUMBER_CCK_NO_FA 100
284
285#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
286
287#define CHAIN_A 0
288#define CHAIN_B 1
289#define CHAIN_C 2
290#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
291#define ALL_BAND_FILTER 0xFF00
292#define IN_BAND_FILTER 0xFF
293#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
294
295#define NRG_NUM_PREV_STAT_L 20
296#define NUM_RX_CHAINS 3
297
298enum iwlagn_false_alarm_state {
299 IWL_FA_TOO_MANY = 0,
300 IWL_FA_TOO_FEW = 1,
301 IWL_FA_GOOD_RANGE = 2,
302};
303
304enum iwlagn_chain_noise_state {
305 IWL_CHAIN_NOISE_ALIVE = 0,
306 IWL_CHAIN_NOISE_ACCUMULATE,
307 IWL_CHAIN_NOISE_CALIBRATED,
308 IWL_CHAIN_NOISE_DONE,
309};
310
311
312struct iwl_sensitivity_data {
313 u32 auto_corr_ofdm;
314 u32 auto_corr_ofdm_mrc;
315 u32 auto_corr_ofdm_x1;
316 u32 auto_corr_ofdm_mrc_x1;
317 u32 auto_corr_cck;
318 u32 auto_corr_cck_mrc;
319
320 u32 last_bad_plcp_cnt_ofdm;
321 u32 last_fa_cnt_ofdm;
322 u32 last_bad_plcp_cnt_cck;
323 u32 last_fa_cnt_cck;
324
325 u32 nrg_curr_state;
326 u32 nrg_prev_state;
327 u32 nrg_value[10];
328 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
329 u32 nrg_silence_ref;
330 u32 nrg_energy_idx;
331 u32 nrg_silence_idx;
332 u32 nrg_th_cck;
333 s32 nrg_auto_corr_silence_diff;
334 u32 num_in_cck_no_fa;
335 u32 nrg_th_ofdm;
336
337 u16 barker_corr_th_min;
338 u16 barker_corr_th_min_mrc;
339 u16 nrg_th_cca;
340};
341
342
343struct iwl_chain_noise_data {
344 u32 active_chains;
345 u32 chain_noise_a;
346 u32 chain_noise_b;
347 u32 chain_noise_c;
348 u32 chain_signal_a;
349 u32 chain_signal_b;
350 u32 chain_signal_c;
351 u16 beacon_count;
352 u8 disconn_array[NUM_RX_CHAINS];
353 u8 delta_gain_code[NUM_RX_CHAINS];
354 u8 radio_write;
355 u8 state;
356};
357
358enum {
359 MEASUREMENT_READY = (1 << 0),
360 MEASUREMENT_ACTIVE = (1 << 1),
361};
362
363
364struct reply_tx_error_statistics {
365 u32 pp_delay;
366 u32 pp_few_bytes;
367 u32 pp_bt_prio;
368 u32 pp_quiet_period;
369 u32 pp_calc_ttak;
370 u32 int_crossed_retry;
371 u32 short_limit;
372 u32 long_limit;
373 u32 fifo_underrun;
374 u32 drain_flow;
375 u32 rfkill_flush;
376 u32 life_expire;
377 u32 dest_ps;
378 u32 host_abort;
379 u32 bt_retry;
380 u32 sta_invalid;
381 u32 frag_drop;
382 u32 tid_disable;
383 u32 fifo_flush;
384 u32 insuff_cf_poll;
385 u32 fail_hw_drop;
386 u32 sta_color_mismatch;
387 u32 unknown;
388};
389
390
391struct reply_agg_tx_error_statistics {
392 u32 underrun;
393 u32 bt_prio;
394 u32 few_bytes;
395 u32 abort;
396 u32 last_sent_ttl;
397 u32 last_sent_try;
398 u32 last_sent_bt_kill;
399 u32 scd_query;
400 u32 bad_crc32;
401 u32 response;
402 u32 dump_tx;
403 u32 delay_tx;
404 u32 unknown;
405};
406
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410
411#define UCODE_TRACE_PERIOD (10)
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423
424struct iwl_event_log {
425 bool ucode_trace;
426 u32 num_wraps;
427 u32 next_entry;
428 int non_wraps_count;
429 int wraps_once_count;
430 int wraps_more_count;
431};
432
433#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
434
435
436#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
437
438
439#define IWL_MIN_RELOAD_DURATION 1000
440#define IWL_MAX_CONTINUE_RELOAD_CNT 4
441
442
443struct iwl_rf_reset {
444 int reset_request_count;
445 int reset_success_count;
446 int reset_reject_count;
447 unsigned long last_reset_jiffies;
448};
449
450enum iwl_rxon_context_id {
451 IWL_RXON_CTX_BSS,
452 IWL_RXON_CTX_PAN,
453
454 NUM_IWL_RXON_CTX
455};
456
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461
462
463#define IWLAGN_EXT_BEACON_TIME_POS 22
464
465struct iwl_rxon_context {
466 struct ieee80211_vif *vif;
467
468 u8 mcast_queue;
469 u8 ac_to_queue[IEEE80211_NUM_ACS];
470 u8 ac_to_fifo[IEEE80211_NUM_ACS];
471
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476
477 bool always_active, is_active;
478
479 bool ht_need_multiple_chains;
480
481 enum iwl_rxon_context_id ctxid;
482
483 u32 interface_modes, exclusive_interface_modes;
484 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
485
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492 const struct iwl_rxon_cmd active;
493 struct iwl_rxon_cmd staging;
494
495 struct iwl_rxon_time_cmd timing;
496
497 struct iwl_qos_info qos_data;
498
499 u8 bcast_sta_id, ap_sta_id;
500
501 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
502 u8 qos_cmd;
503 u8 wep_key_cmd;
504
505 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
506 u8 key_mapping_keys;
507
508 __le32 station_flags;
509
510 int beacon_int;
511
512 struct {
513 bool non_gf_sta_present;
514 u8 protection;
515 bool enabled, is_40mhz;
516 u8 extension_chan_offset;
517 } ht;
518};
519
520enum iwl_scan_type {
521 IWL_SCAN_NORMAL,
522 IWL_SCAN_RADIO_RESET,
523};
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538struct iwl_hw_params {
539 u8 tx_chains_num;
540 u8 rx_chains_num;
541 bool use_rts_for_aggregation;
542 u32 ct_kill_threshold;
543 u32 ct_kill_exit_threshold;
544
545 const struct iwl_sensitivity_ranges *sens;
546};
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555
556struct iwl_dvm_bt_params {
557 bool advanced_bt_coexist;
558 u8 bt_init_traffic_load;
559 u32 bt_prio_boost;
560 u16 agg_time_limit;
561 bool bt_sco_disable;
562 bool bt_session_2;
563};
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585struct iwl_dvm_cfg {
586 void (*set_hw_params)(struct iwl_priv *priv);
587 int (*set_channel_switch)(struct iwl_priv *priv,
588 struct ieee80211_channel_switch *ch_switch);
589 void (*nic_config)(struct iwl_priv *priv);
590 void (*temperature)(struct iwl_priv *priv);
591
592 const struct iwl_dvm_bt_params *bt_params;
593 s32 chain_noise_scale;
594 u8 plcp_delta_threshold;
595 bool adv_thermal_throttle;
596 bool support_ct_kill_exit;
597 bool hd_v2;
598 bool no_idle_support;
599 bool need_temp_offset_calib;
600 bool no_xtal_calib;
601 bool temp_offset_v2;
602 bool adv_pm;
603};
604
605struct iwl_wipan_noa_data {
606 struct rcu_head rcu_head;
607 u32 length;
608 u8 data[];
609};
610
611
612enum {
613 IWL_CALIB_ENABLE_ALL = 0,
614
615 IWL_SENSITIVITY_CALIB_DISABLED = BIT(0),
616 IWL_CHAIN_NOISE_CALIB_DISABLED = BIT(1),
617 IWL_TX_POWER_CALIB_DISABLED = BIT(2),
618
619 IWL_CALIB_DISABLE_ALL = 0xFFFFFFFF,
620};
621
622#define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
623 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
624
625#define IWL_MAC80211_GET_DVM(_hw) \
626 ((struct iwl_priv *) ((struct iwl_op_mode *) \
627 (_hw)->priv)->op_mode_specific)
628
629struct iwl_priv {
630
631 struct iwl_trans *trans;
632 struct device *dev;
633 const struct iwl_cfg *cfg;
634 const struct iwl_fw *fw;
635 const struct iwl_dvm_cfg *lib;
636 unsigned long status;
637
638 spinlock_t sta_lock;
639 struct mutex mutex;
640
641 unsigned long transport_queue_stop;
642 bool passive_no_rx;
643#define IWL_INVALID_MAC80211_QUEUE 0xff
644 u8 queue_to_mac80211[IWL_MAX_HW_QUEUES];
645 atomic_t queue_stop_count[IWL_MAX_HW_QUEUES];
646
647 unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
648
649
650 struct ieee80211_hw *hw;
651
652 struct napi_struct *napi;
653
654 struct list_head calib_results;
655
656 struct workqueue_struct *workqueue;
657
658 struct iwl_hw_params hw_params;
659
660 enum nl80211_band band;
661 u8 valid_contexts;
662
663 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
664 struct iwl_rx_cmd_buffer *rxb);
665
666 struct iwl_notif_wait_data notif_wait;
667
668
669 struct iwl_spectrum_notification measure_report;
670 u8 measurement_status;
671
672
673 u32 ucode_beacon_time;
674 int missed_beacon_threshold;
675
676
677 u32 ibss_manager;
678
679
680 unsigned long rx_statistics_jiffies;
681
682
683 u32 rx_handlers_stats[REPLY_MAX];
684
685
686 struct iwl_rf_reset rf_reset;
687
688
689 unsigned long reload_jiffies;
690 int reload_count;
691 bool ucode_loaded;
692
693 u8 plcp_delta_threshold;
694
695
696 s32 temperature;
697 s32 last_temperature;
698
699 struct iwl_wipan_noa_data __rcu *noa_data;
700
701
702 unsigned long scan_start;
703 unsigned long scan_start_tsf;
704 void *scan_cmd;
705 enum nl80211_band scan_band;
706 struct cfg80211_scan_request *scan_request;
707 struct ieee80211_vif *scan_vif;
708 enum iwl_scan_type scan_type;
709 u8 scan_tx_ant[NUM_NL80211_BANDS];
710 u8 mgmt_tx_ant;
711
712
713 u8 sta_key_max_num;
714
715 bool new_scan_threshold_behaviour;
716
717 bool wowlan;
718
719
720 struct mac_address addresses[2];
721
722 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
723
724 __le16 switch_channel;
725
726 u8 start_calib;
727 struct iwl_sensitivity_data sensitivity_data;
728 struct iwl_chain_noise_data chain_noise_data;
729 __le16 sensitivity_tbl[HD_TABLE_SIZE];
730 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
731
732 struct iwl_ht_config current_ht_config;
733
734
735 u8 retry_rate;
736
737 int activity_timer_active;
738
739 struct iwl_power_mgr power_data;
740 struct iwl_tt_mgmt thermal_throttle;
741
742
743 int num_stations;
744 struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
745 unsigned long ucode_key_table;
746 struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
747 atomic_t num_aux_in_flight;
748
749 u8 mac80211_registered;
750
751
752 u8 is_open;
753
754 enum nl80211_iftype iw_mode;
755
756
757 u64 timestamp;
758
759 struct {
760 __le32 flag;
761 struct statistics_general_common common;
762 struct statistics_rx_non_phy rx_non_phy;
763 struct statistics_rx_phy rx_ofdm;
764 struct statistics_rx_ht_phy rx_ofdm_ht;
765 struct statistics_rx_phy rx_cck;
766 struct statistics_tx tx;
767#ifdef CONFIG_IWLWIFI_DEBUGFS
768 struct statistics_bt_activity bt_activity;
769 __le32 num_bt_kills, accum_num_bt_kills;
770#endif
771 spinlock_t lock;
772 } statistics;
773#ifdef CONFIG_IWLWIFI_DEBUGFS
774 struct {
775 struct statistics_general_common common;
776 struct statistics_rx_non_phy rx_non_phy;
777 struct statistics_rx_phy rx_ofdm;
778 struct statistics_rx_ht_phy rx_ofdm_ht;
779 struct statistics_rx_phy rx_cck;
780 struct statistics_tx tx;
781 struct statistics_bt_activity bt_activity;
782 } accum_stats, delta_stats, max_delta_stats;
783#endif
784
785
786
787
788
789 u8 agg_tids_count;
790
791 struct iwl_rx_phy_res last_phy_res;
792 u32 ampdu_ref;
793 bool last_phy_res_valid;
794
795
796
797
798
799
800 u8 phy_calib_chain_noise_reset_cmd;
801 u8 phy_calib_chain_noise_gain_cmd;
802
803
804 struct reply_tx_error_statistics reply_tx_stats;
805 struct reply_agg_tx_error_statistics reply_agg_tx_stats;
806
807
808 u8 bt_enable_flag;
809 u8 bt_status;
810 u8 bt_traffic_load, last_bt_traffic_load;
811 bool bt_ch_announce;
812 bool bt_full_concurrent;
813 __le32 kill_ack_mask;
814 __le32 kill_cts_mask;
815 __le16 bt_valid;
816 bool reduced_txpower;
817 u16 bt_on_thresh;
818 u16 bt_duration;
819 u16 dynamic_frag_thresh;
820 u8 bt_ci_compliance;
821 struct work_struct bt_traffic_change_work;
822 bool bt_enable_pspoll;
823 struct iwl_rxon_context *cur_rssi_ctx;
824 bool bt_is_sco;
825
826 struct work_struct restart;
827 struct work_struct scan_completed;
828 struct work_struct abort_scan;
829
830 struct work_struct beacon_update;
831 struct iwl_rxon_context *beacon_ctx;
832 struct sk_buff *beacon_skb;
833 void *beacon_cmd;
834
835 struct work_struct tt_work;
836 struct work_struct ct_enter;
837 struct work_struct ct_exit;
838 struct work_struct start_internal_scan;
839 struct work_struct tx_flush;
840 struct work_struct bt_full_concurrency;
841 struct work_struct bt_runtime_config;
842
843 struct delayed_work scan_check;
844
845
846 s8 tx_power_user_lmt;
847 s8 tx_power_next;
848
849#ifdef CONFIG_IWLWIFI_DEBUGFS
850
851 struct dentry *debugfs_dir;
852 u32 dbgfs_sram_offset, dbgfs_sram_len;
853 bool disable_ht40;
854 void *wowlan_sram;
855#endif
856
857 struct iwl_nvm_data *nvm_data;
858
859 u8 *eeprom_blob;
860 size_t eeprom_blob_size;
861
862 struct work_struct txpower_work;
863 u32 calib_disabled;
864 struct work_struct run_time_calib_work;
865 struct timer_list statistics_periodic;
866 struct timer_list ucode_trace;
867
868 struct iwl_event_log event_log;
869
870#ifdef CONFIG_IWLWIFI_LEDS
871 struct led_classdev led;
872 unsigned long blink_on, blink_off;
873 bool led_registered;
874#endif
875
876
877 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
878 __le64 replay_ctr;
879 __le16 last_seq_ctl;
880 bool have_rekey_data;
881#ifdef CONFIG_PM_SLEEP
882 struct wiphy_wowlan_support wowlan_support;
883#endif
884
885
886 struct {
887 u32 error_event_table;
888 u32 log_event_table;
889 } device_pointers;
890
891
892 enum iwl_ucode_type cur_ucode;
893};
894
895static inline struct iwl_rxon_context *
896iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
897{
898 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
899
900 return vif_priv->ctx;
901}
902
903#define for_each_context(priv, ctx) \
904 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
905 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
906 if (priv->valid_contexts & BIT(ctx->ctxid))
907
908static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
909{
910 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
911}
912
913static inline int iwl_is_associated(struct iwl_priv *priv,
914 enum iwl_rxon_context_id ctxid)
915{
916 return iwl_is_associated_ctx(&priv->contexts[ctxid]);
917}
918
919static inline int iwl_is_any_associated(struct iwl_priv *priv)
920{
921 struct iwl_rxon_context *ctx;
922 for_each_context(priv, ctx)
923 if (iwl_is_associated_ctx(ctx))
924 return true;
925 return false;
926}
927
928#endif
929