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"
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_ON: aggregation session is up
198 * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
199 * HW queue to be empty from packets for this RA /TID.
200 * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
201 * HW queue to be empty from packets for this RA /TID.
206 IWL_EMPTYING_HW_QUEUE_ADDBA
,
207 IWL_EMPTYING_HW_QUEUE_DELBA
,
211 * struct iwl_ht_agg - aggregation state machine
213 * This structs holds the states for the BA agreement establishment and tear
214 * down. It also holds the state during the BA session itself. This struct is
215 * duplicated for each RA / TID.
217 * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
218 * Tx response (REPLY_TX), and the block ack notification
219 * (REPLY_COMPRESSED_BA).
220 * @state: state of the BA agreement establishment / tear down.
221 * @txq_id: Tx queue used by the BA session
222 * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
223 * the first packet to be sent in legacy HW queue in Tx AGG stop flow.
224 * Basically when next_reclaimed reaches ssn, we can tell mac80211 that
225 * we are ready to finish the Tx AGG stop / start flow.
226 * @wait_for_ba: Expect block-ack before next Tx reply
230 enum iwl_agg_state state
;
237 * struct iwl_tid_data - one for each RA / TID
239 * This structs holds the states for each RA / TID.
241 * @seq_number: the next WiFi sequence number to use
242 * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
243 * This is basically (last acked packet++).
244 * @agg: aggregation state machine
246 struct iwl_tid_data
{
249 struct iwl_ht_agg agg
;
253 * Structure should be accessed with sta_lock held. When station addition
254 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
255 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
258 struct iwl_station_entry
{
259 struct iwl_addsta_cmd sta
;
261 struct iwl_link_quality_cmd
*lq
;
265 * iwl_station_priv: Driver's private station information
267 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
268 * in the structure for use by driver. This structure is places in that
271 struct iwl_station_priv
{
272 struct iwl_rxon_context
*ctx
;
273 struct iwl_lq_sta lq_sta
;
274 atomic_t pending_frames
;
282 * struct iwl_vif_priv - driver's private per-interface information
284 * When mac80211 allocates a virtual interface, it can allocate
285 * space for us to put data into.
287 struct iwl_vif_priv
{
288 struct iwl_rxon_context
*ctx
;
289 u8 ibss_bssid_sta_id
;
292 struct iwl_sensitivity_ranges
{
298 u16 auto_corr_min_ofdm
;
299 u16 auto_corr_min_ofdm_mrc
;
300 u16 auto_corr_min_ofdm_x1
;
301 u16 auto_corr_min_ofdm_mrc_x1
;
303 u16 auto_corr_max_ofdm
;
304 u16 auto_corr_max_ofdm_mrc
;
305 u16 auto_corr_max_ofdm_x1
;
306 u16 auto_corr_max_ofdm_mrc_x1
;
308 u16 auto_corr_max_cck
;
309 u16 auto_corr_max_cck_mrc
;
310 u16 auto_corr_min_cck
;
311 u16 auto_corr_min_cck_mrc
;
313 u16 barker_corr_th_min
;
314 u16 barker_corr_th_min_mrc
;
319 #define KELVIN_TO_CELSIUS(x) ((x)-273)
320 #define CELSIUS_TO_KELVIN(x) ((x)+273)
323 /******************************************************************************
325 * Functions implemented in core module which are forward declared here
326 * for use by iwl-[4-5].c
328 * NOTE: The implementation of these functions are not hardware specific
329 * which is why they are in the core module files.
331 * Naming convention --
332 * iwl_ <-- Is part of iwlwifi
333 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
335 ****************************************************************************/
336 extern void iwl_update_chain_flags(struct iwl_priv
*priv
);
337 extern const u8 iwl_bcast_addr
[ETH_ALEN
];
339 #define IWL_OPERATION_MODE_AUTO 0
340 #define IWL_OPERATION_MODE_HT_ONLY 1
341 #define IWL_OPERATION_MODE_MIXED 2
342 #define IWL_OPERATION_MODE_20MHZ 3
344 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
346 /* Sensitivity and chain noise calibration */
347 #define INITIALIZATION_VALUE 0xFFFF
348 #define IWL_CAL_NUM_BEACONS 16
349 #define MAXIMUM_ALLOWED_PATHLOSS 15
351 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
353 #define MAX_FA_OFDM 50
354 #define MIN_FA_OFDM 5
355 #define MAX_FA_CCK 50
358 #define AUTO_CORR_STEP_OFDM 1
360 #define AUTO_CORR_STEP_CCK 3
361 #define AUTO_CORR_MAX_TH_CCK 160
364 #define NRG_STEP_CCK 2
366 #define MAX_NUMBER_CCK_NO_FA 100
368 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
373 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
374 #define ALL_BAND_FILTER 0xFF00
375 #define IN_BAND_FILTER 0xFF
376 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
378 #define NRG_NUM_PREV_STAT_L 20
379 #define NUM_RX_CHAINS 3
381 enum iwlagn_false_alarm_state
{
384 IWL_FA_GOOD_RANGE
= 2,
387 enum iwlagn_chain_noise_state
{
388 IWL_CHAIN_NOISE_ALIVE
= 0, /* must be 0 */
389 IWL_CHAIN_NOISE_ACCUMULATE
,
390 IWL_CHAIN_NOISE_CALIBRATED
,
391 IWL_CHAIN_NOISE_DONE
,
394 /* Sensitivity calib data */
395 struct iwl_sensitivity_data
{
397 u32 auto_corr_ofdm_mrc
;
398 u32 auto_corr_ofdm_x1
;
399 u32 auto_corr_ofdm_mrc_x1
;
401 u32 auto_corr_cck_mrc
;
403 u32 last_bad_plcp_cnt_ofdm
;
404 u32 last_fa_cnt_ofdm
;
405 u32 last_bad_plcp_cnt_cck
;
411 u8 nrg_silence_rssi
[NRG_NUM_PREV_STAT_L
];
416 s32 nrg_auto_corr_silence_diff
;
417 u32 num_in_cck_no_fa
;
420 u16 barker_corr_th_min
;
421 u16 barker_corr_th_min_mrc
;
425 /* Chain noise (differential Rx gain) calib data */
426 struct iwl_chain_noise_data
{
435 u8 disconn_array
[NUM_RX_CHAINS
];
436 u8 delta_gain_code
[NUM_RX_CHAINS
];
442 MEASUREMENT_READY
= (1 << 0),
443 MEASUREMENT_ACTIVE
= (1 << 1),
447 NVM_DEVICE_TYPE_EEPROM
= 0,
452 * Two types of OTP memory access modes
453 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
454 * based on physical memory addressing
455 * IWL_OTP_ACCESS_RELATIVE - relative address mode,
456 * based on logical memory addressing
458 enum iwl_access_mode
{
459 IWL_OTP_ACCESS_ABSOLUTE
,
460 IWL_OTP_ACCESS_RELATIVE
,
463 /* reply_tx_statistics (for _agn devices) */
464 struct reply_tx_error_statistics
{
470 u32 int_crossed_retry
;
486 u32 sta_color_mismatch
;
490 /* reply_agg_tx_statistics (for _agn devices) */
491 struct reply_agg_tx_error_statistics
{
498 u32 last_sent_bt_kill
;
507 /* management statistics */
508 enum iwl_mgmt_stats
{
509 MANAGEMENT_ASSOC_REQ
= 0,
510 MANAGEMENT_ASSOC_RESP
,
511 MANAGEMENT_REASSOC_REQ
,
512 MANAGEMENT_REASSOC_RESP
,
513 MANAGEMENT_PROBE_REQ
,
514 MANAGEMENT_PROBE_RESP
,
523 /* control statistics */
524 enum iwl_ctrl_stats
{
525 CONTROL_BACK_REQ
= 0,
536 struct traffic_stats
{
537 #ifdef CONFIG_IWLWIFI_DEBUGFS
538 u32 mgmt
[MANAGEMENT_MAX
];
539 u32 ctrl
[CONTROL_MAX
];
546 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
547 * to perform continuous uCode event logging operation if enabled
549 #define UCODE_TRACE_PERIOD (10)
552 * iwl_event_log: current uCode event log position
554 * @ucode_trace: enable/disable ucode continuous trace timer
555 * @num_wraps: how many times the event buffer wraps
556 * @next_entry: the entry just before the next one that uCode would fill
557 * @non_wraps_count: counter for no wrap detected when dump ucode events
558 * @wraps_once_count: counter for wrap once detected when dump ucode events
559 * @wraps_more_count: counter for wrap more than once detected
560 * when dump ucode events
562 struct iwl_event_log
{
567 int wraps_once_count
;
568 int wraps_more_count
;
572 * This is the threshold value of plcp error rate per 100mSecs. It is
573 * used to set and check for the validity of plcp_delta.
575 #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
576 #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
577 #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
578 #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
579 #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
580 #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
582 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
584 /* TX queue watchdog timeouts in mSecs */
585 #define IWL_WATCHHDOG_DISABLED (0)
586 #define IWL_DEF_WD_TIMEOUT (2000)
587 #define IWL_LONG_WD_TIMEOUT (10000)
588 #define IWL_MAX_WD_TIMEOUT (120000)
590 /* BT Antenna Coupling Threshold (dB) */
591 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
593 /* Firmware reload counter and Timestamp */
594 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
595 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
598 struct iwl_rf_reset
{
599 int reset_request_count
;
600 int reset_success_count
;
601 int reset_reject_count
;
602 unsigned long last_reset_jiffies
;
605 /* extend beacon time format bit shifting */
608 * bits 31:22 - extended
609 * bits 21:0 - interval
611 #define IWLAGN_EXT_BEACON_TIME_POS 22
613 struct iwl_rxon_context
{
614 struct ieee80211_vif
*vif
;
617 u8 ac_to_queue
[IEEE80211_NUM_ACS
];
618 u8 ac_to_fifo
[IEEE80211_NUM_ACS
];
621 * We could use the vif to indicate active, but we
622 * also need it to be active during disabling when
623 * we already removed the vif for type setting.
625 bool always_active
, is_active
;
627 bool ht_need_multiple_chains
;
629 enum iwl_rxon_context_id ctxid
;
631 u32 interface_modes
, exclusive_interface_modes
;
632 u8 unused_devtype
, ap_devtype
, ibss_devtype
, station_devtype
;
635 * We declare this const so it can only be
636 * changed via explicit cast within the
637 * routines that actually update the physical
640 const struct iwl_rxon_cmd active
;
641 struct iwl_rxon_cmd staging
;
643 struct iwl_rxon_time_cmd timing
;
645 struct iwl_qos_info qos_data
;
647 u8 bcast_sta_id
, ap_sta_id
;
649 u8 rxon_cmd
, rxon_assoc_cmd
, rxon_timing_cmd
;
653 struct iwl_wep_key wep_keys
[WEP_KEYS_MAX
];
656 __le32 station_flags
;
661 bool non_gf_sta_present
;
663 bool enabled
, is_40mhz
;
664 u8 extension_chan_offset
;
670 IWL_SCAN_RADIO_RESET
,
675 * struct iwl_hw_params
677 * Holds the module parameters
679 * @tx_chains_num: Number of TX chains
680 * @rx_chains_num: Number of RX chains
681 * @valid_tx_ant: usable antennas for TX
682 * @valid_rx_ant: usable antennas for RX
683 * @ht40_channel: is 40MHz width possible: BIT(IEEE80211_BAND_XXX)
684 * @sku: sku read from EEPROM
685 * @ct_kill_threshold: temperature threshold - in hw dependent unit
686 * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
687 * relevant for 1000, 6000 and up
688 * @struct iwl_sensitivity_ranges: range of sensitivity values
689 * @use_rts_for_aggregation: use rts/cts protection for HT traffic
691 struct iwl_hw_params
{
697 bool use_rts_for_aggregation
;
699 u32 ct_kill_threshold
;
700 u32 ct_kill_exit_threshold
;
702 const struct iwl_sensitivity_ranges
*sens
;
706 /* set hw dependent parameters */
707 void (*set_hw_params
)(struct iwl_priv
*priv
);
708 int (*set_channel_switch
)(struct iwl_priv
*priv
,
709 struct ieee80211_channel_switch
*ch_switch
);
710 /* device specific configuration */
711 void (*nic_config
)(struct iwl_priv
*priv
);
713 /* eeprom operations (as defined in iwl-eeprom.h) */
714 struct iwl_eeprom_ops eeprom_ops
;
717 void (*temperature
)(struct iwl_priv
*priv
);
720 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
721 struct iwl_testmode_trace
{
730 struct iwl_testmode_mem
{
734 bool read_in_progress
;
738 struct iwl_wipan_noa_data
{
739 struct rcu_head rcu_head
;
744 /* Calibration disabling bit mask */
745 #define IWL_SENSITIVITY_CALIB_DISABLED BIT(1)
746 #define IWL_CHAIN_NOISE_CALIB_DISABLED BIT(2)
747 #define IWL_TX_POWER_CALIB_DISABLED BIT(3)
749 #define IWL_CALIB_ENABLE_ALL 0
750 #define IWL_CALIB_DISABLE_ALL 0xFFFFFFFF
752 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
753 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
755 #define IWL_MAC80211_GET_DVM(_hw) \
756 ((struct iwl_priv *) ((struct iwl_op_mode *) \
757 (_hw)->priv)->op_mode_specific)
761 /*data shared among all the driver's layers */
762 struct iwl_shared
*shrd
;
763 struct iwl_trans
*trans
;
764 const struct iwl_cfg
*cfg
;
765 const struct iwl_fw
*fw
;
766 const struct iwl_lib_ops
*lib
;
767 unsigned long status
;
772 unsigned long transport_queue_stop
;
774 #define IWL_INVALID_AC 0xff
775 u8 queue_to_ac
[IWL_MAX_HW_QUEUES
];
776 atomic_t ac_stop_count
[IEEE80211_NUM_ACS
];
778 unsigned long agg_q_alloc
[BITS_TO_LONGS(IWL_MAX_HW_QUEUES
)];
780 /* ieee device used by generic ieee processing code */
781 struct ieee80211_hw
*hw
;
782 struct ieee80211_channel
*ieee_channels
;
783 struct ieee80211_rate
*ieee_rates
;
785 struct list_head calib_results
;
787 struct workqueue_struct
*workqueue
;
789 struct iwl_hw_params hw_params
;
791 enum ieee80211_band band
;
794 void (*pre_rx_handler
)(struct iwl_priv
*priv
,
795 struct iwl_rx_cmd_buffer
*rxb
);
796 int (*rx_handlers
[REPLY_MAX
])(struct iwl_priv
*priv
,
797 struct iwl_rx_cmd_buffer
*rxb
,
798 struct iwl_device_cmd
*cmd
);
800 struct iwl_notif_wait_data notif_wait
;
802 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
804 /* spectrum measurement report caching */
805 struct iwl_spectrum_notification measure_report
;
806 u8 measurement_status
;
808 #define IWL_OWNERSHIP_DRIVER 0
809 #define IWL_OWNERSHIP_TM 1
812 /* ucode beacon time */
813 u32 ucode_beacon_time
;
814 int missed_beacon_threshold
;
816 /* track IBSS manager (last beacon) status */
819 /* jiffies when last recovery from statistics was performed */
820 unsigned long rx_statistics_jiffies
;
823 u32 rx_handlers_stats
[REPLY_MAX
];
826 struct iwl_rf_reset rf_reset
;
828 /* firmware reload counter and timestamp */
829 unsigned long reload_jiffies
;
832 bool init_ucode_run
; /* Don't run init uCode again */
834 /* we allocate array of iwl_channel_info for NIC's valid channels.
835 * Access via channel # using indirect index array */
836 struct iwl_channel_info
*channel_info
; /* channel info array */
837 u8 channel_count
; /* # of channels */
839 u8 plcp_delta_threshold
;
841 /* thermal calibration */
842 s32 temperature
; /* Celsius */
843 s32 last_temperature
;
845 struct iwl_wipan_noa_data __rcu
*noa_data
;
847 /* Scan related variables */
848 unsigned long scan_start
;
849 unsigned long scan_start_tsf
;
851 enum ieee80211_band scan_band
;
852 struct cfg80211_scan_request
*scan_request
;
853 struct ieee80211_vif
*scan_vif
;
854 enum iwl_scan_type scan_type
;
855 u8 scan_tx_ant
[IEEE80211_NUM_BANDS
];
858 /* max number of station keys */
861 bool new_scan_threshold_behaviour
;
865 /* EEPROM MAC addresses */
866 struct mac_address addresses
[2];
868 struct iwl_rxon_context contexts
[NUM_IWL_RXON_CTX
];
870 __le16 switch_channel
;
873 struct iwl_sensitivity_data sensitivity_data
;
874 struct iwl_chain_noise_data chain_noise_data
;
875 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
876 __le16 enhance_sensitivity_tbl
[ENHANCE_HD_TABLE_ENTRIES
];
878 struct iwl_ht_config current_ht_config
;
880 /* Rate scaling data */
883 int activity_timer_active
;
885 /* counts mgmt, ctl, and data packets */
886 struct traffic_stats tx_stats
;
887 struct traffic_stats rx_stats
;
889 struct iwl_power_mgr power_data
;
890 struct iwl_tt_mgmt thermal_throttle
;
892 /* station table variables */
894 struct iwl_station_entry stations
[IWLAGN_STATION_COUNT
];
895 unsigned long ucode_key_table
;
896 struct iwl_tid_data tid_data
[IWLAGN_STATION_COUNT
][IWL_MAX_TID_COUNT
];
898 u8 mac80211_registered
;
900 /* Indication if ieee80211_ops->open has been called */
903 enum nl80211_iftype iw_mode
;
905 /* Last Rx'd beacon timestamp */
910 struct statistics_general_common common
;
911 struct statistics_rx_non_phy rx_non_phy
;
912 struct statistics_rx_phy rx_ofdm
;
913 struct statistics_rx_ht_phy rx_ofdm_ht
;
914 struct statistics_rx_phy rx_cck
;
915 struct statistics_tx tx
;
916 #ifdef CONFIG_IWLWIFI_DEBUGFS
917 struct statistics_bt_activity bt_activity
;
918 __le32 num_bt_kills
, accum_num_bt_kills
;
922 #ifdef CONFIG_IWLWIFI_DEBUGFS
924 struct statistics_general_common common
;
925 struct statistics_rx_non_phy rx_non_phy
;
926 struct statistics_rx_phy rx_ofdm
;
927 struct statistics_rx_ht_phy rx_ofdm_ht
;
928 struct statistics_rx_phy rx_cck
;
929 struct statistics_tx tx
;
930 struct statistics_bt_activity bt_activity
;
931 } accum_stats
, delta_stats
, max_delta_stats
;
935 * reporting the number of tids has AGG on. 0 means
940 struct iwl_rx_phy_res last_phy_res
;
941 bool last_phy_res_valid
;
944 * chain noise reset and gain commands are the
945 * two extra calibration commands follows the standard
946 * phy calibration commands
948 u8 phy_calib_chain_noise_reset_cmd
;
949 u8 phy_calib_chain_noise_gain_cmd
;
951 /* counts reply_tx error */
952 struct reply_tx_error_statistics reply_tx_stats
;
953 struct reply_agg_tx_error_statistics reply_agg_tx_stats
;
955 /* remain-on-channel offload support */
956 struct ieee80211_channel
*hw_roc_channel
;
957 struct delayed_work hw_roc_disable_work
;
958 enum nl80211_channel_type hw_roc_chantype
;
960 bool hw_roc_setup
, hw_roc_start_notified
;
965 u8 bt_traffic_load
, last_bt_traffic_load
;
967 bool bt_full_concurrent
;
968 bool bt_ant_couple_ok
;
969 __le32 kill_ack_mask
;
970 __le32 kill_cts_mask
;
974 u16 dynamic_frag_thresh
;
976 struct work_struct bt_traffic_change_work
;
977 bool bt_enable_pspoll
;
978 struct iwl_rxon_context
*cur_rssi_ctx
;
981 struct work_struct restart
;
982 struct work_struct scan_completed
;
983 struct work_struct abort_scan
;
985 struct work_struct beacon_update
;
986 struct iwl_rxon_context
*beacon_ctx
;
987 struct sk_buff
*beacon_skb
;
990 struct work_struct tt_work
;
991 struct work_struct ct_enter
;
992 struct work_struct ct_exit
;
993 struct work_struct start_internal_scan
;
994 struct work_struct tx_flush
;
995 struct work_struct bt_full_concurrency
;
996 struct work_struct bt_runtime_config
;
998 struct delayed_work scan_check
;
1001 s8 tx_power_user_lmt
;
1002 s8 tx_power_device_lmt
;
1003 s8 tx_power_lmt_in_half_dbm
; /* max tx power in half-dBm format */
1006 #ifdef CONFIG_IWLWIFI_DEBUGFS
1012 struct dentry
*debugfs_dir
;
1013 u32 dbgfs_sram_offset
, dbgfs_sram_len
;
1016 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1018 /* eeprom -- this is in the card's little endian byte order */
1020 enum iwl_nvm_type nvm_device_type
;
1022 struct work_struct txpower_work
;
1024 struct work_struct run_time_calib_work
;
1025 struct timer_list statistics_periodic
;
1026 struct timer_list ucode_trace
;
1028 struct iwl_event_log event_log
;
1030 struct led_classdev led
;
1031 unsigned long blink_on
, blink_off
;
1032 bool led_registered
;
1033 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
1034 struct iwl_testmode_trace testmode_trace
;
1035 struct iwl_testmode_mem testmode_mem
;
1039 /* WoWLAN GTK rekey data */
1040 u8 kck
[NL80211_KCK_LEN
], kek
[NL80211_KEK_LEN
];
1042 __le16 last_seq_ctl
;
1043 bool have_rekey_data
;
1045 /* device_pointers: pointers to ucode event tables */
1047 u32 error_event_table
;
1048 u32 log_event_table
;
1051 /* indicator of loaded ucode image */
1052 enum iwl_ucode_type cur_ucode
;
1055 extern struct kmem_cache
*iwl_tx_cmd_pool
;
1056 extern struct iwl_mod_params iwlagn_mod_params
;
1058 static inline struct iwl_rxon_context
*
1059 iwl_rxon_ctx_from_vif(struct ieee80211_vif
*vif
)
1061 struct iwl_vif_priv
*vif_priv
= (void *)vif
->drv_priv
;
1063 return vif_priv
->ctx
;
1066 #define for_each_context(priv, ctx) \
1067 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
1068 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
1069 if (priv->valid_contexts & BIT(ctx->ctxid))
1071 static inline int iwl_is_associated_ctx(struct iwl_rxon_context
*ctx
)
1073 return (ctx
->active
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1076 static inline int iwl_is_associated(struct iwl_priv
*priv
,
1077 enum iwl_rxon_context_id ctxid
)
1079 return iwl_is_associated_ctx(&priv
->contexts
[ctxid
]);
1082 static inline int iwl_is_any_associated(struct iwl_priv
*priv
)
1084 struct iwl_rxon_context
*ctx
;
1085 for_each_context(priv
, ctx
)
1086 if (iwl_is_associated_ctx(ctx
))
1091 static inline int is_channel_valid(const struct iwl_channel_info
*ch_info
)
1093 if (ch_info
== NULL
)
1095 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1098 static inline int is_channel_radar(const struct iwl_channel_info
*ch_info
)
1100 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1103 static inline u8
is_channel_a_band(const struct iwl_channel_info
*ch_info
)
1105 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
1108 static inline u8
is_channel_bg_band(const struct iwl_channel_info
*ch_info
)
1110 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
1113 static inline int is_channel_passive(const struct iwl_channel_info
*ch
)
1115 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1118 static inline int is_channel_ibss(const struct iwl_channel_info
*ch
)
1120 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1123 #endif /* __iwl_dev_h__ */