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>
41 #include "iwl-eeprom.h"
43 #include "iwl-debug.h"
44 #include "iwl-agn-hw.h"
46 #include "iwl-power.h"
47 #include "iwl-agn-rs.h"
48 #include "iwl-agn-tt.h"
49 #include "iwl-trans.h"
50 #include "iwl-shared.h"
51 #include "iwl-op-mode.h"
52 #include "iwl-notif-wait.h"
56 /* CT-KILL constants */
57 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
58 #define CT_KILL_THRESHOLD 114 /* in Celsius */
59 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
61 /* Default noise level to report when noise measurement is not available.
62 * This may be because we're:
63 * 1) Not associated no beacon statistics being sent to driver)
64 * 2) Scanning (noise measurement does not apply to associated channel)
65 * Use default noise value of -127 ... this is below the range of measurable
66 * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
67 * Also, -127 works better than 0 when averaging frames with/without
68 * noise info (e.g. averaging might be done in app); measured dBm values are
69 * always negative ... using a negative value as the default keeps all
70 * averages within an s8's (used in some apps) range of negative values. */
71 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
74 * RTS threshold here is total size [2347] minus 4 FCS bytes
76 * a value of 0 means RTS on all data/management packets
77 * a value > max MSDU size means no RTS
78 * else RTS for data/management frames where MPDU is larger
81 #define DEFAULT_RTS_THRESHOLD 2347U
82 #define MIN_RTS_THRESHOLD 0U
83 #define MAX_RTS_THRESHOLD 2347U
84 #define MAX_MSDU_SIZE 2304U
85 #define MAX_MPDU_SIZE 2346U
86 #define DEFAULT_BEACON_INTERVAL 200U
87 #define DEFAULT_SHORT_RETRY_LIMIT 7U
88 #define DEFAULT_LONG_RETRY_LIMIT 4U
90 #define IWL_NUM_SCAN_RATES (2)
93 * One for each channel, holds all channel setup data
94 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
97 struct iwl_channel_info
{
98 struct iwl_eeprom_channel eeprom
; /* EEPROM regulatory limit */
99 struct iwl_eeprom_channel ht40_eeprom
; /* EEPROM regulatory limit for
102 u8 channel
; /* channel number */
103 u8 flags
; /* flags copied from EEPROM */
104 s8 max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
105 s8 curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) limit */
106 s8 min_power
; /* always 0 */
107 s8 scan_power
; /* (dBm) regul. eeprom, direct scans, any rate */
109 u8 group_index
; /* 0-4, maps channel to group1/2/3/4/5 */
110 u8 band_index
; /* 0-4, maps channel to band1/2/3/4/5 */
111 enum ieee80211_band band
;
113 /* HT40 channel info */
114 s8 ht40_max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
115 u8 ht40_flags
; /* flags copied from EEPROM */
116 u8 ht40_extension_channel
; /* HT_IE_EXT_CHANNEL_* */
120 * Minimum number of queues. MAX_NUM is defined in hw specific files.
121 * Set the minimum to accommodate
122 * - 4 standard TX queues
123 * - the command queue
125 * - the PAN multicast queue, and
126 * - the AUX (TX during scan dwell) queue.
128 #define IWL_MIN_NUM_QUEUES 11
131 * Command queue depends on iPAN support.
133 #define IWL_DEFAULT_CMD_QUEUE_NUM 4
134 #define IWL_IPAN_CMD_QUEUE_NUM 9
136 #define IEEE80211_DATA_LEN 2304
137 #define IEEE80211_4ADDR_LEN 30
138 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
139 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
141 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
142 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
143 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
145 #define IWL_SUPPORTED_RATES_IE_LEN 8
147 #define IWL_INVALID_RATE 0xFF
148 #define IWL_INVALID_VALUE -1
150 union iwl_ht_rate_supp
{
158 #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
159 #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
160 #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
161 #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
162 #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
163 #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
164 #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
167 * Maximal MPDU density for TX aggregation
173 #define CFG_HT_MPDU_DENSITY_2USEC (0x4)
174 #define CFG_HT_MPDU_DENSITY_4USEC (0x5)
175 #define CFG_HT_MPDU_DENSITY_8USEC (0x6)
176 #define CFG_HT_MPDU_DENSITY_16USEC (0x7)
177 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
178 #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
179 #define CFG_HT_MPDU_DENSITY_MIN (0x1)
181 struct iwl_ht_config
{
182 bool single_chain_sufficient
;
183 enum ieee80211_smps_mode smps
; /* current smps mode */
187 struct iwl_qos_info
{
189 struct iwl_qosparam_cmd def_qos_parm
;
195 * The state machine of the BA agreement establishment / tear down.
196 * These states relate to a specific RA / TID.
198 * @IWL_AGG_OFF: aggregation is not used
199 * @IWL_AGG_ON: aggregation session is up
200 * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
201 * HW queue to be empty from packets for this RA /TID.
202 * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
203 * 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
;
509 /* management statistics */
510 enum iwl_mgmt_stats
{
511 MANAGEMENT_ASSOC_REQ
= 0,
512 MANAGEMENT_ASSOC_RESP
,
513 MANAGEMENT_REASSOC_REQ
,
514 MANAGEMENT_REASSOC_RESP
,
515 MANAGEMENT_PROBE_REQ
,
516 MANAGEMENT_PROBE_RESP
,
525 /* control statistics */
526 enum iwl_ctrl_stats
{
527 CONTROL_BACK_REQ
= 0,
538 struct traffic_stats
{
539 #ifdef CONFIG_IWLWIFI_DEBUGFS
540 u32 mgmt
[MANAGEMENT_MAX
];
541 u32 ctrl
[CONTROL_MAX
];
548 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
549 * to perform continuous uCode event logging operation if enabled
551 #define UCODE_TRACE_PERIOD (10)
554 * iwl_event_log: current uCode event log position
556 * @ucode_trace: enable/disable ucode continuous trace timer
557 * @num_wraps: how many times the event buffer wraps
558 * @next_entry: the entry just before the next one that uCode would fill
559 * @non_wraps_count: counter for no wrap detected when dump ucode events
560 * @wraps_once_count: counter for wrap once detected when dump ucode events
561 * @wraps_more_count: counter for wrap more than once detected
562 * when dump ucode events
564 struct iwl_event_log
{
569 int wraps_once_count
;
570 int wraps_more_count
;
574 * This is the threshold value of plcp error rate per 100mSecs. It is
575 * used to set and check for the validity of plcp_delta.
577 #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
578 #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
579 #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
580 #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
581 #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
582 #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
584 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
586 /* TX queue watchdog timeouts in mSecs */
587 #define IWL_WATCHHDOG_DISABLED (0)
588 #define IWL_DEF_WD_TIMEOUT (2000)
589 #define IWL_LONG_WD_TIMEOUT (10000)
590 #define IWL_MAX_WD_TIMEOUT (120000)
592 /* BT Antenna Coupling Threshold (dB) */
593 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
595 /* Firmware reload counter and Timestamp */
596 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
597 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
600 struct iwl_rf_reset
{
601 int reset_request_count
;
602 int reset_success_count
;
603 int reset_reject_count
;
604 unsigned long last_reset_jiffies
;
607 /* extend beacon time format bit shifting */
610 * bits 31:22 - extended
611 * bits 21:0 - interval
613 #define IWLAGN_EXT_BEACON_TIME_POS 22
615 struct iwl_rxon_context
{
616 struct ieee80211_vif
*vif
;
619 u8 ac_to_queue
[IEEE80211_NUM_ACS
];
620 u8 ac_to_fifo
[IEEE80211_NUM_ACS
];
623 * We could use the vif to indicate active, but we
624 * also need it to be active during disabling when
625 * we already removed the vif for type setting.
627 bool always_active
, is_active
;
629 bool ht_need_multiple_chains
;
631 enum iwl_rxon_context_id ctxid
;
633 u32 interface_modes
, exclusive_interface_modes
;
634 u8 unused_devtype
, ap_devtype
, ibss_devtype
, station_devtype
;
637 * We declare this const so it can only be
638 * changed via explicit cast within the
639 * routines that actually update the physical
642 const struct iwl_rxon_cmd active
;
643 struct iwl_rxon_cmd staging
;
645 struct iwl_rxon_time_cmd timing
;
647 struct iwl_qos_info qos_data
;
649 u8 bcast_sta_id
, ap_sta_id
;
651 u8 rxon_cmd
, rxon_assoc_cmd
, rxon_timing_cmd
;
655 struct iwl_wep_key wep_keys
[WEP_KEYS_MAX
];
658 __le32 station_flags
;
663 bool non_gf_sta_present
;
665 bool enabled
, is_40mhz
;
666 u8 extension_chan_offset
;
672 IWL_SCAN_RADIO_RESET
,
677 * struct iwl_hw_params
679 * Holds the module parameters
681 * @tx_chains_num: Number of TX chains
682 * @rx_chains_num: Number of RX chains
683 * @valid_tx_ant: usable antennas for TX
684 * @valid_rx_ant: usable antennas for RX
685 * @ht40_channel: is 40MHz width possible: BIT(IEEE80211_BAND_XXX)
686 * @sku: sku read from EEPROM
687 * @ct_kill_threshold: temperature threshold - in hw dependent unit
688 * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
689 * relevant for 1000, 6000 and up
690 * @struct iwl_sensitivity_ranges: range of sensitivity values
691 * @use_rts_for_aggregation: use rts/cts protection for HT traffic
693 struct iwl_hw_params
{
699 bool use_rts_for_aggregation
;
701 u32 ct_kill_threshold
;
702 u32 ct_kill_exit_threshold
;
704 const struct iwl_sensitivity_ranges
*sens
;
707 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
708 struct iwl_testmode_trace
{
717 struct iwl_testmode_mem
{
721 bool read_in_progress
;
725 struct iwl_wipan_noa_data
{
726 struct rcu_head rcu_head
;
731 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
732 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
734 #define IWL_MAC80211_GET_DVM(_hw) \
735 ((struct iwl_priv *) ((struct iwl_op_mode *) \
736 (_hw)->priv)->op_mode_specific)
740 /*data shared among all the driver's layers */
741 struct iwl_shared
*shrd
;
742 const struct iwl_fw
*fw
;
743 unsigned long status
;
748 unsigned long transport_queue_stop
;
750 #define IWL_INVALID_AC 0xff
751 u8 queue_to_ac
[IWL_MAX_HW_QUEUES
];
752 atomic_t ac_stop_count
[IEEE80211_NUM_ACS
];
754 unsigned long agg_q_alloc
[BITS_TO_LONGS(IWL_MAX_HW_QUEUES
)];
756 /* ieee device used by generic ieee processing code */
757 struct ieee80211_hw
*hw
;
758 struct ieee80211_channel
*ieee_channels
;
759 struct ieee80211_rate
*ieee_rates
;
761 struct list_head calib_results
;
763 struct workqueue_struct
*workqueue
;
765 struct iwl_hw_params hw_params
;
767 enum ieee80211_band band
;
770 void (*pre_rx_handler
)(struct iwl_priv
*priv
,
771 struct iwl_rx_cmd_buffer
*rxb
);
772 int (*rx_handlers
[REPLY_MAX
])(struct iwl_priv
*priv
,
773 struct iwl_rx_cmd_buffer
*rxb
,
774 struct iwl_device_cmd
*cmd
);
776 struct iwl_notif_wait_data notif_wait
;
778 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
780 /* spectrum measurement report caching */
781 struct iwl_spectrum_notification measure_report
;
782 u8 measurement_status
;
784 #define IWL_OWNERSHIP_DRIVER 0
785 #define IWL_OWNERSHIP_TM 1
788 /* ucode beacon time */
789 u32 ucode_beacon_time
;
790 int missed_beacon_threshold
;
792 /* track IBSS manager (last beacon) status */
795 /* jiffies when last recovery from statistics was performed */
796 unsigned long rx_statistics_jiffies
;
799 u32 rx_handlers_stats
[REPLY_MAX
];
802 struct iwl_rf_reset rf_reset
;
804 /* firmware reload counter and timestamp */
805 unsigned long reload_jiffies
;
808 bool init_ucode_run
; /* Don't run init uCode again */
810 /* we allocate array of iwl_channel_info for NIC's valid channels.
811 * Access via channel # using indirect index array */
812 struct iwl_channel_info
*channel_info
; /* channel info array */
813 u8 channel_count
; /* # of channels */
815 u8 plcp_delta_threshold
;
817 /* thermal calibration */
818 s32 temperature
; /* Celsius */
819 s32 last_temperature
;
821 struct iwl_wipan_noa_data __rcu
*noa_data
;
823 /* Scan related variables */
824 unsigned long scan_start
;
825 unsigned long scan_start_tsf
;
827 enum ieee80211_band scan_band
;
828 struct cfg80211_scan_request
*scan_request
;
829 struct ieee80211_vif
*scan_vif
;
830 enum iwl_scan_type scan_type
;
831 u8 scan_tx_ant
[IEEE80211_NUM_BANDS
];
834 /* max number of station keys */
837 bool new_scan_threshold_behaviour
;
841 /* EEPROM MAC addresses */
842 struct mac_address addresses
[2];
844 struct iwl_rxon_context contexts
[NUM_IWL_RXON_CTX
];
846 __le16 switch_channel
;
851 struct iwl_sensitivity_data sensitivity_data
;
852 struct iwl_chain_noise_data chain_noise_data
;
853 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
854 __le16 enhance_sensitivity_tbl
[ENHANCE_HD_TABLE_ENTRIES
];
856 struct iwl_ht_config current_ht_config
;
858 /* Rate scaling data */
861 int activity_timer_active
;
863 /* counts mgmt, ctl, and data packets */
864 struct traffic_stats tx_stats
;
865 struct traffic_stats rx_stats
;
867 struct iwl_power_mgr power_data
;
868 struct iwl_tt_mgmt thermal_throttle
;
870 /* station table variables */
872 struct iwl_station_entry stations
[IWLAGN_STATION_COUNT
];
873 unsigned long ucode_key_table
;
874 struct iwl_tid_data tid_data
[IWLAGN_STATION_COUNT
][IWL_MAX_TID_COUNT
];
876 u8 mac80211_registered
;
878 /* Indication if ieee80211_ops->open has been called */
881 enum nl80211_iftype iw_mode
;
883 /* Last Rx'd beacon timestamp */
888 struct statistics_general_common common
;
889 struct statistics_rx_non_phy rx_non_phy
;
890 struct statistics_rx_phy rx_ofdm
;
891 struct statistics_rx_ht_phy rx_ofdm_ht
;
892 struct statistics_rx_phy rx_cck
;
893 struct statistics_tx tx
;
894 #ifdef CONFIG_IWLWIFI_DEBUGFS
895 struct statistics_bt_activity bt_activity
;
896 __le32 num_bt_kills
, accum_num_bt_kills
;
900 #ifdef CONFIG_IWLWIFI_DEBUGFS
902 struct statistics_general_common common
;
903 struct statistics_rx_non_phy rx_non_phy
;
904 struct statistics_rx_phy rx_ofdm
;
905 struct statistics_rx_ht_phy rx_ofdm_ht
;
906 struct statistics_rx_phy rx_cck
;
907 struct statistics_tx tx
;
908 struct statistics_bt_activity bt_activity
;
909 } accum_stats
, delta_stats
, max_delta_stats
;
913 * reporting the number of tids has AGG on. 0 means
918 struct iwl_rx_phy_res last_phy_res
;
919 bool last_phy_res_valid
;
922 * chain noise reset and gain commands are the
923 * two extra calibration commands follows the standard
924 * phy calibration commands
926 u8 phy_calib_chain_noise_reset_cmd
;
927 u8 phy_calib_chain_noise_gain_cmd
;
929 /* counts reply_tx error */
930 struct reply_tx_error_statistics reply_tx_stats
;
931 struct reply_agg_tx_error_statistics reply_agg_tx_stats
;
933 /* remain-on-channel offload support */
934 struct ieee80211_channel
*hw_roc_channel
;
935 struct delayed_work hw_roc_disable_work
;
936 enum nl80211_channel_type hw_roc_chantype
;
938 bool hw_roc_setup
, hw_roc_start_notified
;
943 u8 bt_traffic_load
, last_bt_traffic_load
;
945 bool bt_full_concurrent
;
946 bool bt_ant_couple_ok
;
947 __le32 kill_ack_mask
;
948 __le32 kill_cts_mask
;
952 u16 dynamic_frag_thresh
;
954 struct work_struct bt_traffic_change_work
;
955 bool bt_enable_pspoll
;
956 struct iwl_rxon_context
*cur_rssi_ctx
;
959 struct work_struct restart
;
960 struct work_struct scan_completed
;
961 struct work_struct abort_scan
;
963 struct work_struct beacon_update
;
964 struct iwl_rxon_context
*beacon_ctx
;
965 struct sk_buff
*beacon_skb
;
968 struct work_struct tt_work
;
969 struct work_struct ct_enter
;
970 struct work_struct ct_exit
;
971 struct work_struct start_internal_scan
;
972 struct work_struct tx_flush
;
973 struct work_struct bt_full_concurrency
;
974 struct work_struct bt_runtime_config
;
976 struct delayed_work scan_check
;
979 s8 tx_power_user_lmt
;
980 s8 tx_power_device_lmt
;
981 s8 tx_power_lmt_in_half_dbm
; /* max tx power in half-dBm format */
984 #ifdef CONFIG_IWLWIFI_DEBUGFS
990 struct dentry
*debugfs_dir
;
991 u32 dbgfs_sram_offset
, dbgfs_sram_len
;
994 #endif /* CONFIG_IWLWIFI_DEBUGFS */
996 /* eeprom -- this is in the card's little endian byte order */
998 enum iwl_nvm_type nvm_device_type
;
1000 struct work_struct txpower_work
;
1001 u32 disable_sens_cal
;
1002 u32 disable_chain_noise_cal
;
1003 struct work_struct run_time_calib_work
;
1004 struct timer_list statistics_periodic
;
1005 struct timer_list ucode_trace
;
1007 struct iwl_event_log event_log
;
1009 struct led_classdev led
;
1010 unsigned long blink_on
, blink_off
;
1011 bool led_registered
;
1012 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
1013 struct iwl_testmode_trace testmode_trace
;
1014 struct iwl_testmode_mem testmode_mem
;
1018 /* WoWLAN GTK rekey data */
1019 u8 kck
[NL80211_KCK_LEN
], kek
[NL80211_KEK_LEN
];
1021 __le16 last_seq_ctl
;
1022 bool have_rekey_data
;
1024 /* device_pointers: pointers to ucode event tables */
1026 u32 error_event_table
;
1027 u32 log_event_table
;
1030 /* indicator of loaded ucode image */
1031 enum iwl_ucode_type cur_ucode
;
1034 extern struct kmem_cache
*iwl_tx_cmd_pool
;
1035 extern struct iwl_mod_params iwlagn_mod_params
;
1037 static inline struct iwl_rxon_context
*
1038 iwl_rxon_ctx_from_vif(struct ieee80211_vif
*vif
)
1040 struct iwl_vif_priv
*vif_priv
= (void *)vif
->drv_priv
;
1042 return vif_priv
->ctx
;
1045 #define for_each_context(priv, ctx) \
1046 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
1047 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
1048 if (priv->valid_contexts & BIT(ctx->ctxid))
1050 static inline int iwl_is_associated_ctx(struct iwl_rxon_context
*ctx
)
1052 return (ctx
->active
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1055 static inline int iwl_is_associated(struct iwl_priv
*priv
,
1056 enum iwl_rxon_context_id ctxid
)
1058 return iwl_is_associated_ctx(&priv
->contexts
[ctxid
]);
1061 static inline int iwl_is_any_associated(struct iwl_priv
*priv
)
1063 struct iwl_rxon_context
*ctx
;
1064 for_each_context(priv
, ctx
)
1065 if (iwl_is_associated_ctx(ctx
))
1070 static inline int is_channel_valid(const struct iwl_channel_info
*ch_info
)
1072 if (ch_info
== NULL
)
1074 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1077 static inline int is_channel_radar(const struct iwl_channel_info
*ch_info
)
1079 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1082 static inline u8
is_channel_a_band(const struct iwl_channel_info
*ch_info
)
1084 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
1087 static inline u8
is_channel_bg_band(const struct iwl_channel_info
*ch_info
)
1089 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
1092 static inline int is_channel_passive(const struct iwl_channel_info
*ch
)
1094 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1097 static inline int is_channel_ibss(const struct iwl_channel_info
*ch
)
1099 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1102 #endif /* __iwl_dev_h__ */