1 /******************************************************************************
3 * Copyright(c) 2003 - 2012 Intel Corporation. All rights reserved.
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.
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
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
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
27 * Please use this file (iwl-dev.h) for driver implementation definitions.
28 * Please use iwl-commands.h for uCode API definitions.
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>
42 #include "iwl-eeprom.h"
44 #include "iwl-debug.h"
45 #include "iwl-agn-hw.h"
47 #include "iwl-power.h"
48 #include "iwl-agn-rs.h"
49 #include "iwl-agn-tt.h"
50 #include "iwl-trans.h"
51 #include "iwl-op-mode.h"
52 #include "iwl-notif-wait.h"
54 /* CT-KILL constants */
55 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
56 #define CT_KILL_THRESHOLD 114 /* in Celsius */
57 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
59 /* Default noise level to report when noise measurement is not available.
60 * This may be because we're:
61 * 1) Not associated no beacon statistics being sent to driver)
62 * 2) Scanning (noise measurement does not apply to associated channel)
63 * Use default noise value of -127 ... this is below the range of measurable
64 * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
65 * Also, -127 works better than 0 when averaging frames with/without
66 * noise info (e.g. averaging might be done in app); measured dBm values are
67 * always negative ... using a negative value as the default keeps all
68 * averages within an s8's (used in some apps) range of negative values. */
69 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
72 * RTS threshold here is total size [2347] minus 4 FCS bytes
74 * a value of 0 means RTS on all data/management packets
75 * a value > max MSDU size means no RTS
76 * else RTS for data/management frames where MPDU is larger
79 #define DEFAULT_RTS_THRESHOLD 2347U
80 #define MIN_RTS_THRESHOLD 0U
81 #define MAX_RTS_THRESHOLD 2347U
82 #define MAX_MSDU_SIZE 2304U
83 #define MAX_MPDU_SIZE 2346U
84 #define DEFAULT_BEACON_INTERVAL 200U
85 #define DEFAULT_SHORT_RETRY_LIMIT 7U
86 #define DEFAULT_LONG_RETRY_LIMIT 4U
88 #define IWL_NUM_SCAN_RATES (2)
91 * One for each channel, holds all channel setup data
92 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
95 struct iwl_channel_info {
96 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
97 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for
100 u8 channel; /* channel number */
101 u8 flags; /* flags copied from EEPROM */
102 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
103 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
104 s8 min_power; /* always 0 */
105 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
107 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
108 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
109 enum ieee80211_band band;
111 /* HT40 channel info */
112 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
113 u8 ht40_flags; /* flags copied from EEPROM */
114 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
118 * Minimum number of queues. MAX_NUM is defined in hw specific files.
119 * Set the minimum to accommodate
120 * - 4 standard TX queues
121 * - the command queue
123 * - the PAN multicast queue, and
124 * - the AUX (TX during scan dwell) queue.
126 #define IWL_MIN_NUM_QUEUES 11
129 * Command queue depends on iPAN support.
131 #define IWL_DEFAULT_CMD_QUEUE_NUM 4
132 #define IWL_IPAN_CMD_QUEUE_NUM 9
134 #define IEEE80211_DATA_LEN 2304
135 #define IEEE80211_4ADDR_LEN 30
136 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
137 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
139 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
140 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
141 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
143 #define IWL_SUPPORTED_RATES_IE_LEN 8
145 #define IWL_INVALID_RATE 0xFF
146 #define IWL_INVALID_VALUE -1
148 union iwl_ht_rate_supp {
156 #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
157 #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
158 #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
159 #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
160 #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
161 #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
162 #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
165 * Maximal MPDU density for TX aggregation
171 #define CFG_HT_MPDU_DENSITY_2USEC (0x4)
172 #define CFG_HT_MPDU_DENSITY_4USEC (0x5)
173 #define CFG_HT_MPDU_DENSITY_8USEC (0x6)
174 #define CFG_HT_MPDU_DENSITY_16USEC (0x7)
175 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
176 #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
177 #define CFG_HT_MPDU_DENSITY_MIN (0x1)
179 struct iwl_ht_config {
180 bool single_chain_sufficient;
181 enum ieee80211_smps_mode smps; /* current smps mode */
185 struct iwl_qos_info {
187 struct iwl_qosparam_cmd def_qos_parm;
193 * The state machine of the BA agreement establishment / tear down.
194 * These states relate to a specific RA / TID.
196 * @IWL_AGG_OFF: aggregation is not used
197 * @IWL_AGG_STARTING: aggregation are starting (between start and oper)
198 * @IWL_AGG_ON: aggregation session is up
199 * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
200 * HW queue to be empty from packets for this RA /TID.
201 * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
202 * HW queue to be empty from packets for this RA /TID.
208 IWL_EMPTYING_HW_QUEUE_ADDBA,
209 IWL_EMPTYING_HW_QUEUE_DELBA,
213 * struct iwl_ht_agg - aggregation state machine
215 * This structs holds the states for the BA agreement establishment and tear
216 * down. It also holds the state during the BA session itself. This struct is
217 * duplicated for each RA / TID.
219 * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
220 * Tx response (REPLY_TX), and the block ack notification
221 * (REPLY_COMPRESSED_BA).
222 * @state: state of the BA agreement establishment / tear down.
223 * @txq_id: Tx queue used by the BA session
224 * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
225 * the first packet to be sent in legacy HW queue in Tx AGG stop flow.
226 * Basically when next_reclaimed reaches ssn, we can tell mac80211 that
227 * we are ready to finish the Tx AGG stop / start flow.
228 * @wait_for_ba: Expect block-ack before next Tx reply
232 enum iwl_agg_state state;
239 * struct iwl_tid_data - one for each RA / TID
241 * This structs holds the states for each RA / TID.
243 * @seq_number: the next WiFi sequence number to use
244 * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
245 * This is basically (last acked packet++).
246 * @agg: aggregation state machine
248 struct iwl_tid_data {
251 struct iwl_ht_agg agg;
255 * Structure should be accessed with sta_lock held. When station addition
256 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
257 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
260 struct iwl_station_entry {
261 struct iwl_addsta_cmd sta;
263 struct iwl_link_quality_cmd *lq;
267 * iwl_station_priv: Driver's private station information
269 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
270 * in the structure for use by driver. This structure is places in that
273 struct iwl_station_priv {
274 struct iwl_rxon_context *ctx;
275 struct iwl_lq_sta lq_sta;
276 atomic_t pending_frames;
284 * struct iwl_vif_priv - driver's private per-interface information
286 * When mac80211 allocates a virtual interface, it can allocate
287 * space for us to put data into.
289 struct iwl_vif_priv {
290 struct iwl_rxon_context *ctx;
291 u8 ibss_bssid_sta_id;
294 struct iwl_sensitivity_ranges {
300 u16 auto_corr_min_ofdm;
301 u16 auto_corr_min_ofdm_mrc;
302 u16 auto_corr_min_ofdm_x1;
303 u16 auto_corr_min_ofdm_mrc_x1;
305 u16 auto_corr_max_ofdm;
306 u16 auto_corr_max_ofdm_mrc;
307 u16 auto_corr_max_ofdm_x1;
308 u16 auto_corr_max_ofdm_mrc_x1;
310 u16 auto_corr_max_cck;
311 u16 auto_corr_max_cck_mrc;
312 u16 auto_corr_min_cck;
313 u16 auto_corr_min_cck_mrc;
315 u16 barker_corr_th_min;
316 u16 barker_corr_th_min_mrc;
321 #define KELVIN_TO_CELSIUS(x) ((x)-273)
322 #define CELSIUS_TO_KELVIN(x) ((x)+273)
325 /******************************************************************************
327 * Functions implemented in core module which are forward declared here
328 * for use by iwl-[4-5].c
330 * NOTE: The implementation of these functions are not hardware specific
331 * which is why they are in the core module files.
333 * Naming convention --
334 * iwl_ <-- Is part of iwlwifi
335 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
337 ****************************************************************************/
338 extern void iwl_update_chain_flags(struct iwl_priv *priv);
339 extern const u8 iwl_bcast_addr[ETH_ALEN];
341 #define IWL_OPERATION_MODE_AUTO 0
342 #define IWL_OPERATION_MODE_HT_ONLY 1
343 #define IWL_OPERATION_MODE_MIXED 2
344 #define IWL_OPERATION_MODE_20MHZ 3
346 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
348 /* Sensitivity and chain noise calibration */
349 #define INITIALIZATION_VALUE 0xFFFF
350 #define IWL_CAL_NUM_BEACONS 16
351 #define MAXIMUM_ALLOWED_PATHLOSS 15
353 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
355 #define MAX_FA_OFDM 50
356 #define MIN_FA_OFDM 5
357 #define MAX_FA_CCK 50
360 #define AUTO_CORR_STEP_OFDM 1
362 #define AUTO_CORR_STEP_CCK 3
363 #define AUTO_CORR_MAX_TH_CCK 160
366 #define NRG_STEP_CCK 2
368 #define MAX_NUMBER_CCK_NO_FA 100
370 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
375 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
376 #define ALL_BAND_FILTER 0xFF00
377 #define IN_BAND_FILTER 0xFF
378 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
380 #define NRG_NUM_PREV_STAT_L 20
381 #define NUM_RX_CHAINS 3
383 enum iwlagn_false_alarm_state {
386 IWL_FA_GOOD_RANGE = 2,
389 enum iwlagn_chain_noise_state {
390 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
391 IWL_CHAIN_NOISE_ACCUMULATE,
392 IWL_CHAIN_NOISE_CALIBRATED,
393 IWL_CHAIN_NOISE_DONE,
396 /* Sensitivity calib data */
397 struct iwl_sensitivity_data {
399 u32 auto_corr_ofdm_mrc;
400 u32 auto_corr_ofdm_x1;
401 u32 auto_corr_ofdm_mrc_x1;
403 u32 auto_corr_cck_mrc;
405 u32 last_bad_plcp_cnt_ofdm;
406 u32 last_fa_cnt_ofdm;
407 u32 last_bad_plcp_cnt_cck;
413 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
418 s32 nrg_auto_corr_silence_diff;
419 u32 num_in_cck_no_fa;
422 u16 barker_corr_th_min;
423 u16 barker_corr_th_min_mrc;
427 /* Chain noise (differential Rx gain) calib data */
428 struct iwl_chain_noise_data {
437 u8 disconn_array[NUM_RX_CHAINS];
438 u8 delta_gain_code[NUM_RX_CHAINS];
444 MEASUREMENT_READY = (1 << 0),
445 MEASUREMENT_ACTIVE = (1 << 1),
449 NVM_DEVICE_TYPE_EEPROM = 0,
454 * Two types of OTP memory access modes
455 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
456 * based on physical memory addressing
457 * IWL_OTP_ACCESS_RELATIVE - relative address mode,
458 * based on logical memory addressing
460 enum iwl_access_mode {
461 IWL_OTP_ACCESS_ABSOLUTE,
462 IWL_OTP_ACCESS_RELATIVE,
465 /* reply_tx_statistics (for _agn devices) */
466 struct reply_tx_error_statistics {
472 u32 int_crossed_retry;
488 u32 sta_color_mismatch;
492 /* reply_agg_tx_statistics (for _agn devices) */
493 struct reply_agg_tx_error_statistics {
500 u32 last_sent_bt_kill;
510 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
511 * to perform continuous uCode event logging operation if enabled
513 #define UCODE_TRACE_PERIOD (10)
516 * iwl_event_log: current uCode event log position
518 * @ucode_trace: enable/disable ucode continuous trace timer
519 * @num_wraps: how many times the event buffer wraps
520 * @next_entry: the entry just before the next one that uCode would fill
521 * @non_wraps_count: counter for no wrap detected when dump ucode events
522 * @wraps_once_count: counter for wrap once detected when dump ucode events
523 * @wraps_more_count: counter for wrap more than once detected
524 * when dump ucode events
526 struct iwl_event_log {
531 int wraps_once_count;
532 int wraps_more_count;
535 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
537 /* BT Antenna Coupling Threshold (dB) */
538 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
540 /* Firmware reload counter and Timestamp */
541 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
542 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
545 struct iwl_rf_reset {
546 int reset_request_count;
547 int reset_success_count;
548 int reset_reject_count;
549 unsigned long last_reset_jiffies;
552 enum iwl_rxon_context_id {
559 /* extend beacon time format bit shifting */
562 * bits 31:22 - extended
563 * bits 21:0 - interval
565 #define IWLAGN_EXT_BEACON_TIME_POS 22
567 struct iwl_rxon_context {
568 struct ieee80211_vif *vif;
571 u8 ac_to_queue[IEEE80211_NUM_ACS];
572 u8 ac_to_fifo[IEEE80211_NUM_ACS];
575 * We could use the vif to indicate active, but we
576 * also need it to be active during disabling when
577 * we already removed the vif for type setting.
579 bool always_active, is_active;
581 bool ht_need_multiple_chains;
583 enum iwl_rxon_context_id ctxid;
585 u32 interface_modes, exclusive_interface_modes;
586 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
589 * We declare this const so it can only be
590 * changed via explicit cast within the
591 * routines that actually update the physical
594 const struct iwl_rxon_cmd active;
595 struct iwl_rxon_cmd staging;
597 struct iwl_rxon_time_cmd timing;
599 struct iwl_qos_info qos_data;
601 u8 bcast_sta_id, ap_sta_id;
603 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
607 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
610 __le32 station_flags;
615 bool non_gf_sta_present;
617 bool enabled, is_40mhz;
618 u8 extension_chan_offset;
624 IWL_SCAN_RADIO_RESET,
629 * struct iwl_hw_params
631 * Holds the module parameters
633 * @tx_chains_num: Number of TX chains
634 * @rx_chains_num: Number of RX chains
635 * @valid_tx_ant: usable antennas for TX
636 * @valid_rx_ant: usable antennas for RX
637 * @ht40_channel: is 40MHz width possible: BIT(IEEE80211_BAND_XXX)
638 * @sku: sku read from EEPROM
639 * @ct_kill_threshold: temperature threshold - in hw dependent unit
640 * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
641 * relevant for 1000, 6000 and up
642 * @struct iwl_sensitivity_ranges: range of sensitivity values
643 * @use_rts_for_aggregation: use rts/cts protection for HT traffic
645 struct iwl_hw_params {
651 bool use_rts_for_aggregation;
653 u32 ct_kill_threshold;
654 u32 ct_kill_exit_threshold;
656 const struct iwl_sensitivity_ranges *sens;
660 /* set hw dependent parameters */
661 void (*set_hw_params)(struct iwl_priv *priv);
662 int (*set_channel_switch)(struct iwl_priv *priv,
663 struct ieee80211_channel_switch *ch_switch);
664 /* device specific configuration */
665 void (*nic_config)(struct iwl_priv *priv);
667 /* eeprom operations (as defined in iwl-eeprom.h) */
668 struct iwl_eeprom_ops eeprom_ops;
671 void (*temperature)(struct iwl_priv *priv);
674 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
675 struct iwl_testmode_trace {
684 struct iwl_testmode_mem {
688 bool read_in_progress;
692 struct iwl_wipan_noa_data {
693 struct rcu_head rcu_head;
698 /* Calibration disabling bit mask */
700 IWL_CALIB_ENABLE_ALL = 0,
702 IWL_SENSITIVITY_CALIB_DISABLED = BIT(0),
703 IWL_CHAIN_NOISE_CALIB_DISABLED = BIT(1),
704 IWL_TX_POWER_CALIB_DISABLED = BIT(2),
706 IWL_CALIB_DISABLE_ALL = 0xFFFFFFFF,
709 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
710 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
712 #define IWL_MAC80211_GET_DVM(_hw) \
713 ((struct iwl_priv *) ((struct iwl_op_mode *) \
714 (_hw)->priv)->op_mode_specific)
718 struct iwl_trans *trans;
719 struct device *dev; /* for debug prints only */
720 const struct iwl_cfg *cfg;
721 const struct iwl_fw *fw;
722 const struct iwl_lib_ops *lib;
723 unsigned long status;
728 unsigned long transport_queue_stop;
730 #define IWL_INVALID_AC 0xff
731 u8 queue_to_ac[IWL_MAX_HW_QUEUES];
732 atomic_t ac_stop_count[IEEE80211_NUM_ACS];
734 unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
736 /* ieee device used by generic ieee processing code */
737 struct ieee80211_hw *hw;
738 struct ieee80211_channel *ieee_channels;
739 struct ieee80211_rate *ieee_rates;
741 struct list_head calib_results;
743 struct workqueue_struct *workqueue;
745 struct iwl_hw_params hw_params;
747 enum ieee80211_band band;
750 void (*pre_rx_handler)(struct iwl_priv *priv,
751 struct iwl_rx_cmd_buffer *rxb);
752 int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
753 struct iwl_rx_cmd_buffer *rxb,
754 struct iwl_device_cmd *cmd);
756 struct iwl_notif_wait_data notif_wait;
758 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
760 /* spectrum measurement report caching */
761 struct iwl_spectrum_notification measure_report;
762 u8 measurement_status;
764 #define IWL_OWNERSHIP_DRIVER 0
765 #define IWL_OWNERSHIP_TM 1
768 /* ucode beacon time */
769 u32 ucode_beacon_time;
770 int missed_beacon_threshold;
772 /* track IBSS manager (last beacon) status */
775 /* jiffies when last recovery from statistics was performed */
776 unsigned long rx_statistics_jiffies;
779 u32 rx_handlers_stats[REPLY_MAX];
782 struct iwl_rf_reset rf_reset;
784 /* firmware reload counter and timestamp */
785 unsigned long reload_jiffies;
788 bool init_ucode_run; /* Don't run init uCode again */
790 /* we allocate array of iwl_channel_info for NIC's valid channels.
791 * Access via channel # using indirect index array */
792 struct iwl_channel_info *channel_info; /* channel info array */
793 u8 channel_count; /* # of channels */
795 u8 plcp_delta_threshold;
797 /* thermal calibration */
798 s32 temperature; /* Celsius */
799 s32 last_temperature;
801 struct iwl_wipan_noa_data __rcu *noa_data;
803 /* Scan related variables */
804 unsigned long scan_start;
805 unsigned long scan_start_tsf;
807 enum ieee80211_band scan_band;
808 struct cfg80211_scan_request *scan_request;
809 struct ieee80211_vif *scan_vif;
810 enum iwl_scan_type scan_type;
811 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
814 /* max number of station keys */
817 bool new_scan_threshold_behaviour;
821 /* EEPROM MAC addresses */
822 struct mac_address addresses[2];
824 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
826 __le16 switch_channel;
829 struct iwl_sensitivity_data sensitivity_data;
830 struct iwl_chain_noise_data chain_noise_data;
831 __le16 sensitivity_tbl[HD_TABLE_SIZE];
832 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
834 struct iwl_ht_config current_ht_config;
836 /* Rate scaling data */
839 int activity_timer_active;
841 struct iwl_power_mgr power_data;
842 struct iwl_tt_mgmt thermal_throttle;
844 /* station table variables */
846 struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
847 unsigned long ucode_key_table;
848 struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
850 u8 mac80211_registered;
852 /* Indication if ieee80211_ops->open has been called */
855 enum nl80211_iftype iw_mode;
857 /* Last Rx'd beacon timestamp */
862 struct statistics_general_common common;
863 struct statistics_rx_non_phy rx_non_phy;
864 struct statistics_rx_phy rx_ofdm;
865 struct statistics_rx_ht_phy rx_ofdm_ht;
866 struct statistics_rx_phy rx_cck;
867 struct statistics_tx tx;
868 #ifdef CONFIG_IWLWIFI_DEBUGFS
869 struct statistics_bt_activity bt_activity;
870 __le32 num_bt_kills, accum_num_bt_kills;
874 #ifdef CONFIG_IWLWIFI_DEBUGFS
876 struct statistics_general_common common;
877 struct statistics_rx_non_phy rx_non_phy;
878 struct statistics_rx_phy rx_ofdm;
879 struct statistics_rx_ht_phy rx_ofdm_ht;
880 struct statistics_rx_phy rx_cck;
881 struct statistics_tx tx;
882 struct statistics_bt_activity bt_activity;
883 } accum_stats, delta_stats, max_delta_stats;
887 * reporting the number of tids has AGG on. 0 means
892 struct iwl_rx_phy_res last_phy_res;
893 bool last_phy_res_valid;
896 * chain noise reset and gain commands are the
897 * two extra calibration commands follows the standard
898 * phy calibration commands
900 u8 phy_calib_chain_noise_reset_cmd;
901 u8 phy_calib_chain_noise_gain_cmd;
903 /* counts reply_tx error */
904 struct reply_tx_error_statistics reply_tx_stats;
905 struct reply_agg_tx_error_statistics reply_agg_tx_stats;
907 /* remain-on-channel offload support */
908 struct ieee80211_channel *hw_roc_channel;
909 struct delayed_work hw_roc_disable_work;
910 enum nl80211_channel_type hw_roc_chantype;
912 bool hw_roc_setup, hw_roc_start_notified;
917 u8 bt_traffic_load, last_bt_traffic_load;
919 bool bt_full_concurrent;
920 bool bt_ant_couple_ok;
921 __le32 kill_ack_mask;
922 __le32 kill_cts_mask;
926 u16 dynamic_frag_thresh;
928 struct work_struct bt_traffic_change_work;
929 bool bt_enable_pspoll;
930 struct iwl_rxon_context *cur_rssi_ctx;
933 struct work_struct restart;
934 struct work_struct scan_completed;
935 struct work_struct abort_scan;
937 struct work_struct beacon_update;
938 struct iwl_rxon_context *beacon_ctx;
939 struct sk_buff *beacon_skb;
942 struct work_struct tt_work;
943 struct work_struct ct_enter;
944 struct work_struct ct_exit;
945 struct work_struct start_internal_scan;
946 struct work_struct tx_flush;
947 struct work_struct bt_full_concurrency;
948 struct work_struct bt_runtime_config;
950 struct delayed_work scan_check;
953 s8 tx_power_user_lmt;
954 s8 tx_power_device_lmt;
955 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
958 #ifdef CONFIG_IWLWIFI_DEBUGFS
960 struct dentry *debugfs_dir;
961 u32 dbgfs_sram_offset, dbgfs_sram_len;
964 #endif /* CONFIG_IWLWIFI_DEBUGFS */
966 /* eeprom -- this is in the card's little endian byte order */
968 enum iwl_nvm_type nvm_device_type;
970 struct work_struct txpower_work;
972 struct work_struct run_time_calib_work;
973 struct timer_list statistics_periodic;
974 struct timer_list ucode_trace;
976 struct iwl_event_log event_log;
978 struct led_classdev led;
979 unsigned long blink_on, blink_off;
981 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
982 struct iwl_testmode_trace testmode_trace;
983 struct iwl_testmode_mem testmode_mem;
987 /* WoWLAN GTK rekey data */
988 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
991 bool have_rekey_data;
993 /* device_pointers: pointers to ucode event tables */
995 u32 error_event_table;
999 /* indicator of loaded ucode image */
1000 enum iwl_ucode_type cur_ucode;
1003 extern struct kmem_cache *iwl_tx_cmd_pool;
1005 static inline struct iwl_rxon_context *
1006 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
1008 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
1010 return vif_priv->ctx;
1013 #define for_each_context(priv, ctx) \
1014 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
1015 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
1016 if (priv->valid_contexts & BIT(ctx->ctxid))
1018 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
1020 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1023 static inline int iwl_is_associated(struct iwl_priv *priv,
1024 enum iwl_rxon_context_id ctxid)
1026 return iwl_is_associated_ctx(&priv->contexts[ctxid]);
1029 static inline int iwl_is_any_associated(struct iwl_priv *priv)
1031 struct iwl_rxon_context *ctx;
1032 for_each_context(priv, ctx)
1033 if (iwl_is_associated_ctx(ctx))
1038 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1040 if (ch_info == NULL)
1042 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1045 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1047 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1050 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1052 return ch_info->band == IEEE80211_BAND_5GHZ;
1055 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1057 return ch_info->band == IEEE80211_BAND_2GHZ;
1060 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1062 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1065 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1067 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1070 #endif /* __iwl_dev_h__ */