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 <net/ieee80211_radiotap.h>
41 #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"
51 #include "iwl-trans.h"
52 #include "iwl-shared.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 - used by the transport layer.
224 * Needed by the upper layer for debugfs only.
225 * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
226 * the first packet to be sent in legacy HW queue in Tx AGG stop flow.
227 * Basically when next_reclaimed reaches ssn, we can tell mac80211 that
228 * we are ready to finish the Tx AGG stop / start flow.
229 * @wait_for_ba: Expect block-ack before next Tx reply
233 enum iwl_agg_state state
;
240 * struct iwl_tid_data - one for each RA / TID
242 * This structs holds the states for each RA / TID.
244 * @seq_number: the next WiFi sequence number to use
245 * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
246 * This is basically (last acked packet++).
247 * @agg: aggregation state machine
249 struct iwl_tid_data
{
252 struct iwl_ht_agg agg
;
256 * Structure should be accessed with sta_lock held. When station addition
257 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
258 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
261 struct iwl_station_entry
{
262 struct iwl_addsta_cmd sta
;
264 struct iwl_link_quality_cmd
*lq
;
268 * iwl_station_priv: Driver's private station information
270 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
271 * in the structure for use by driver. This structure is places in that
274 struct iwl_station_priv
{
275 struct iwl_rxon_context
*ctx
;
276 struct iwl_lq_sta lq_sta
;
277 atomic_t pending_frames
;
285 * struct iwl_vif_priv - driver's private per-interface information
287 * When mac80211 allocates a virtual interface, it can allocate
288 * space for us to put data into.
290 struct iwl_vif_priv
{
291 struct iwl_rxon_context
*ctx
;
292 u8 ibss_bssid_sta_id
;
295 struct iwl_sensitivity_ranges
{
302 u16 auto_corr_min_ofdm
;
303 u16 auto_corr_min_ofdm_mrc
;
304 u16 auto_corr_min_ofdm_x1
;
305 u16 auto_corr_min_ofdm_mrc_x1
;
307 u16 auto_corr_max_ofdm
;
308 u16 auto_corr_max_ofdm_mrc
;
309 u16 auto_corr_max_ofdm_x1
;
310 u16 auto_corr_max_ofdm_mrc_x1
;
312 u16 auto_corr_max_cck
;
313 u16 auto_corr_max_cck_mrc
;
314 u16 auto_corr_min_cck
;
315 u16 auto_corr_min_cck_mrc
;
317 u16 barker_corr_th_min
;
318 u16 barker_corr_th_min_mrc
;
323 #define KELVIN_TO_CELSIUS(x) ((x)-273)
324 #define CELSIUS_TO_KELVIN(x) ((x)+273)
327 /******************************************************************************
329 * Functions implemented in core module which are forward declared here
330 * for use by iwl-[4-5].c
332 * NOTE: The implementation of these functions are not hardware specific
333 * which is why they are in the core module files.
335 * Naming convention --
336 * iwl_ <-- Is part of iwlwifi
337 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
339 ****************************************************************************/
340 extern void iwl_update_chain_flags(struct iwl_priv
*priv
);
341 extern const u8 iwl_bcast_addr
[ETH_ALEN
];
343 #define IWL_OPERATION_MODE_AUTO 0
344 #define IWL_OPERATION_MODE_HT_ONLY 1
345 #define IWL_OPERATION_MODE_MIXED 2
346 #define IWL_OPERATION_MODE_20MHZ 3
348 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
350 /* Sensitivity and chain noise calibration */
351 #define INITIALIZATION_VALUE 0xFFFF
352 #define IWL_CAL_NUM_BEACONS 16
353 #define MAXIMUM_ALLOWED_PATHLOSS 15
355 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
357 #define MAX_FA_OFDM 50
358 #define MIN_FA_OFDM 5
359 #define MAX_FA_CCK 50
362 #define AUTO_CORR_STEP_OFDM 1
364 #define AUTO_CORR_STEP_CCK 3
365 #define AUTO_CORR_MAX_TH_CCK 160
368 #define NRG_STEP_CCK 2
370 #define MAX_NUMBER_CCK_NO_FA 100
372 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
377 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
378 #define ALL_BAND_FILTER 0xFF00
379 #define IN_BAND_FILTER 0xFF
380 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
382 #define NRG_NUM_PREV_STAT_L 20
383 #define NUM_RX_CHAINS 3
385 enum iwlagn_false_alarm_state
{
388 IWL_FA_GOOD_RANGE
= 2,
391 enum iwlagn_chain_noise_state
{
392 IWL_CHAIN_NOISE_ALIVE
= 0, /* must be 0 */
393 IWL_CHAIN_NOISE_ACCUMULATE
,
394 IWL_CHAIN_NOISE_CALIBRATED
,
395 IWL_CHAIN_NOISE_DONE
,
398 /* Sensitivity calib data */
399 struct iwl_sensitivity_data
{
401 u32 auto_corr_ofdm_mrc
;
402 u32 auto_corr_ofdm_x1
;
403 u32 auto_corr_ofdm_mrc_x1
;
405 u32 auto_corr_cck_mrc
;
407 u32 last_bad_plcp_cnt_ofdm
;
408 u32 last_fa_cnt_ofdm
;
409 u32 last_bad_plcp_cnt_cck
;
415 u8 nrg_silence_rssi
[NRG_NUM_PREV_STAT_L
];
420 s32 nrg_auto_corr_silence_diff
;
421 u32 num_in_cck_no_fa
;
424 u16 barker_corr_th_min
;
425 u16 barker_corr_th_min_mrc
;
429 /* Chain noise (differential Rx gain) calib data */
430 struct iwl_chain_noise_data
{
439 u8 disconn_array
[NUM_RX_CHAINS
];
440 u8 delta_gain_code
[NUM_RX_CHAINS
];
445 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
446 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
449 MEASUREMENT_READY
= (1 << 0),
450 MEASUREMENT_ACTIVE
= (1 << 1),
454 NVM_DEVICE_TYPE_EEPROM
= 0,
459 * Two types of OTP memory access modes
460 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
461 * based on physical memory addressing
462 * IWL_OTP_ACCESS_RELATIVE - relative address mode,
463 * based on logical memory addressing
465 enum iwl_access_mode
{
466 IWL_OTP_ACCESS_ABSOLUTE
,
467 IWL_OTP_ACCESS_RELATIVE
,
470 /* reply_tx_statistics (for _agn devices) */
471 struct reply_tx_error_statistics
{
477 u32 int_crossed_retry
;
493 u32 sta_color_mismatch
;
497 /* reply_agg_tx_statistics (for _agn devices) */
498 struct reply_agg_tx_error_statistics
{
505 u32 last_sent_bt_kill
;
514 /* management statistics */
515 enum iwl_mgmt_stats
{
516 MANAGEMENT_ASSOC_REQ
= 0,
517 MANAGEMENT_ASSOC_RESP
,
518 MANAGEMENT_REASSOC_REQ
,
519 MANAGEMENT_REASSOC_RESP
,
520 MANAGEMENT_PROBE_REQ
,
521 MANAGEMENT_PROBE_RESP
,
530 /* control statistics */
531 enum iwl_ctrl_stats
{
532 CONTROL_BACK_REQ
= 0,
543 struct traffic_stats
{
544 #ifdef CONFIG_IWLWIFI_DEBUGFS
545 u32 mgmt
[MANAGEMENT_MAX
];
546 u32 ctrl
[CONTROL_MAX
];
553 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
554 * to perform continuous uCode event logging operation if enabled
556 #define UCODE_TRACE_PERIOD (10)
559 * iwl_event_log: current uCode event log position
561 * @ucode_trace: enable/disable ucode continuous trace timer
562 * @num_wraps: how many times the event buffer wraps
563 * @next_entry: the entry just before the next one that uCode would fill
564 * @non_wraps_count: counter for no wrap detected when dump ucode events
565 * @wraps_once_count: counter for wrap once detected when dump ucode events
566 * @wraps_more_count: counter for wrap more than once detected
567 * when dump ucode events
569 struct iwl_event_log
{
574 int wraps_once_count
;
575 int wraps_more_count
;
579 * This is the threshold value of plcp error rate per 100mSecs. It is
580 * used to set and check for the validity of plcp_delta.
582 #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
583 #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
584 #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
585 #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
586 #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
587 #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
589 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
590 #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
592 /* TX queue watchdog timeouts in mSecs */
593 #define IWL_DEF_WD_TIMEOUT (2000)
594 #define IWL_LONG_WD_TIMEOUT (10000)
595 #define IWL_MAX_WD_TIMEOUT (120000)
597 /* BT Antenna Coupling Threshold (dB) */
598 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
600 /* Firmware reload counter and Timestamp */
601 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
602 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
611 struct iwl_force_reset
{
612 int reset_request_count
;
613 int reset_success_count
;
614 int reset_reject_count
;
615 unsigned long reset_duration
;
616 unsigned long last_force_reset_jiffies
;
619 /* extend beacon time format bit shifting */
622 * bits 31:22 - extended
623 * bits 21:0 - interval
625 #define IWLAGN_EXT_BEACON_TIME_POS 22
627 struct iwl_rxon_context
{
628 struct ieee80211_vif
*vif
;
631 * We could use the vif to indicate active, but we
632 * also need it to be active during disabling when
633 * we already removed the vif for type setting.
635 bool always_active
, is_active
;
637 bool ht_need_multiple_chains
;
639 enum iwl_rxon_context_id ctxid
;
641 u32 interface_modes
, exclusive_interface_modes
;
642 u8 unused_devtype
, ap_devtype
, ibss_devtype
, station_devtype
;
645 * We declare this const so it can only be
646 * changed via explicit cast within the
647 * routines that actually update the physical
650 const struct iwl_rxon_cmd active
;
651 struct iwl_rxon_cmd staging
;
653 struct iwl_rxon_time_cmd timing
;
655 struct iwl_qos_info qos_data
;
657 u8 bcast_sta_id
, ap_sta_id
;
659 u8 rxon_cmd
, rxon_assoc_cmd
, rxon_timing_cmd
;
663 struct iwl_wep_key wep_keys
[WEP_KEYS_MAX
];
666 __le32 station_flags
;
671 bool non_gf_sta_present
;
673 bool enabled
, is_40mhz
;
674 u8 extension_chan_offset
;
680 bool last_tx_rejected
;
685 IWL_SCAN_RADIO_RESET
,
689 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
690 struct iwl_testmode_trace
{
699 struct iwl_testmode_sram
{
707 struct iwl_wipan_noa_data
{
708 struct rcu_head rcu_head
;
715 /*data shared among all the driver's layers */
716 struct iwl_shared
*shrd
;
718 /* ieee device used by generic ieee processing code */
719 struct ieee80211_hw
*hw
;
720 struct ieee80211_channel
*ieee_channels
;
721 struct ieee80211_rate
*ieee_rates
;
722 struct kmem_cache
*tx_cmd_pool
;
724 enum ieee80211_band band
;
726 void (*pre_rx_handler
)(struct iwl_priv
*priv
,
727 struct iwl_rx_mem_buffer
*rxb
);
728 int (*rx_handlers
[REPLY_MAX
])(struct iwl_priv
*priv
,
729 struct iwl_rx_mem_buffer
*rxb
,
730 struct iwl_device_cmd
*cmd
);
732 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
734 /* spectrum measurement report caching */
735 struct iwl_spectrum_notification measure_report
;
736 u8 measurement_status
;
738 /* ucode beacon time */
739 u32 ucode_beacon_time
;
740 int missed_beacon_threshold
;
742 /* track IBSS manager (last beacon) status */
745 /* jiffies when last recovery from statistics was performed */
746 unsigned long rx_statistics_jiffies
;
749 u32 rx_handlers_stats
[REPLY_MAX
];
752 struct iwl_force_reset force_reset
[IWL_MAX_FORCE_RESET
];
754 /* firmware reload counter and timestamp */
755 unsigned long reload_jiffies
;
758 /* we allocate array of iwl_channel_info for NIC's valid channels.
759 * Access via channel # using indirect index array */
760 struct iwl_channel_info
*channel_info
; /* channel info array */
761 u8 channel_count
; /* # of channels */
763 /* thermal calibration */
764 s32 temperature
; /* Celsius */
765 s32 last_temperature
;
767 struct iwl_wipan_noa_data __rcu
*noa_data
;
769 /* Scan related variables */
770 unsigned long scan_start
;
771 unsigned long scan_start_tsf
;
773 enum ieee80211_band scan_band
;
774 struct cfg80211_scan_request
*scan_request
;
775 struct ieee80211_vif
*scan_vif
;
776 enum iwl_scan_type scan_type
;
777 u8 scan_tx_ant
[IEEE80211_NUM_BANDS
];
780 /* max number of station keys */
783 bool new_scan_threshold_behaviour
;
785 /* EEPROM MAC addresses */
786 struct mac_address addresses
[2];
788 /* uCode images, save to reload in case of failure */
789 int fw_index
; /* firmware we're trying to load */
790 u32 ucode_ver
; /* version of ucode, copy of
793 char firmware_name
[25];
795 struct iwl_rxon_context contexts
[NUM_IWL_RXON_CTX
];
797 __le16 switch_channel
;
802 struct iwl_sensitivity_data sensitivity_data
;
803 struct iwl_chain_noise_data chain_noise_data
;
804 bool enhance_sensitivity_table
;
805 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
806 __le16 enhance_sensitivity_tbl
[ENHANCE_HD_TABLE_ENTRIES
];
808 struct iwl_ht_config current_ht_config
;
810 /* Rate scaling data */
813 int activity_timer_active
;
815 /* counts mgmt, ctl, and data packets */
816 struct traffic_stats tx_stats
;
817 struct traffic_stats rx_stats
;
819 struct iwl_power_mgr power_data
;
820 struct iwl_tt_mgmt thermal_throttle
;
822 /* station table variables */
824 struct iwl_station_entry stations
[IWLAGN_STATION_COUNT
];
825 unsigned long ucode_key_table
;
826 struct iwl_tid_data tid_data
[IWLAGN_STATION_COUNT
][IWL_MAX_TID_COUNT
];
828 u8 mac80211_registered
;
830 /* Indication if ieee80211_ops->open has been called */
833 enum nl80211_iftype iw_mode
;
835 /* Last Rx'd beacon timestamp */
840 struct statistics_general_common common
;
841 struct statistics_rx_non_phy rx_non_phy
;
842 struct statistics_rx_phy rx_ofdm
;
843 struct statistics_rx_ht_phy rx_ofdm_ht
;
844 struct statistics_rx_phy rx_cck
;
845 struct statistics_tx tx
;
846 #ifdef CONFIG_IWLWIFI_DEBUGFS
847 struct statistics_bt_activity bt_activity
;
848 __le32 num_bt_kills
, accum_num_bt_kills
;
851 #ifdef CONFIG_IWLWIFI_DEBUGFS
853 struct statistics_general_common common
;
854 struct statistics_rx_non_phy rx_non_phy
;
855 struct statistics_rx_phy rx_ofdm
;
856 struct statistics_rx_ht_phy rx_ofdm_ht
;
857 struct statistics_rx_phy rx_cck
;
858 struct statistics_tx tx
;
859 struct statistics_bt_activity bt_activity
;
860 } accum_stats
, delta_stats
, max_delta_stats
;
864 * reporting the number of tids has AGG on. 0 means
869 struct iwl_rx_phy_res last_phy_res
;
870 bool last_phy_res_valid
;
872 struct completion firmware_loading_complete
;
874 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
875 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
878 * chain noise reset and gain commands are the
879 * two extra calibration commands follows the standard
880 * phy calibration commands
882 u8 phy_calib_chain_noise_reset_cmd
;
883 u8 phy_calib_chain_noise_gain_cmd
;
885 /* counts reply_tx error */
886 struct reply_tx_error_statistics reply_tx_stats
;
887 struct reply_agg_tx_error_statistics reply_agg_tx_stats
;
889 /* remain-on-channel offload support */
890 struct ieee80211_channel
*hw_roc_channel
;
891 struct delayed_work hw_roc_disable_work
;
892 enum nl80211_channel_type hw_roc_chantype
;
894 bool hw_roc_setup
, hw_roc_start_notified
;
899 u8 bt_traffic_load
, last_bt_traffic_load
;
901 bool bt_full_concurrent
;
902 bool bt_ant_couple_ok
;
903 __le32 kill_ack_mask
;
904 __le32 kill_cts_mask
;
908 u16 dynamic_frag_thresh
;
910 struct work_struct bt_traffic_change_work
;
911 bool bt_enable_pspoll
;
912 struct iwl_rxon_context
*cur_rssi_ctx
;
915 struct work_struct restart
;
916 struct work_struct scan_completed
;
917 struct work_struct abort_scan
;
919 struct work_struct beacon_update
;
920 struct iwl_rxon_context
*beacon_ctx
;
921 struct sk_buff
*beacon_skb
;
924 struct work_struct tt_work
;
925 struct work_struct ct_enter
;
926 struct work_struct ct_exit
;
927 struct work_struct start_internal_scan
;
928 struct work_struct tx_flush
;
929 struct work_struct bt_full_concurrency
;
930 struct work_struct bt_runtime_config
;
932 struct delayed_work scan_check
;
935 s8 tx_power_user_lmt
;
936 s8 tx_power_device_lmt
;
937 s8 tx_power_lmt_in_half_dbm
; /* max tx power in half-dBm format */
940 #ifdef CONFIG_IWLWIFI_DEBUGFS
946 struct dentry
*debugfs_dir
;
947 u32 dbgfs_sram_offset
, dbgfs_sram_len
;
950 #endif /* CONFIG_IWLWIFI_DEBUGFS */
952 struct work_struct txpower_work
;
953 u32 disable_sens_cal
;
954 u32 disable_chain_noise_cal
;
955 struct work_struct run_time_calib_work
;
956 struct timer_list statistics_periodic
;
957 struct timer_list ucode_trace
;
958 struct timer_list watchdog
;
960 struct iwl_event_log event_log
;
962 struct led_classdev led
;
963 unsigned long blink_on
, blink_off
;
965 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
966 struct iwl_testmode_trace testmode_trace
;
967 struct iwl_testmode_sram testmode_sram
;
971 /* WoWLAN GTK rekey data */
972 u8 kck
[NL80211_KCK_LEN
], kek
[NL80211_KEK_LEN
];
975 bool have_rekey_data
;
978 extern struct iwl_mod_params iwlagn_mod_params
;
980 static inline struct iwl_rxon_context
*
981 iwl_rxon_ctx_from_vif(struct ieee80211_vif
*vif
)
983 struct iwl_vif_priv
*vif_priv
= (void *)vif
->drv_priv
;
985 return vif_priv
->ctx
;
988 #define for_each_context(priv, ctx) \
989 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
990 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
991 if (priv->shrd->valid_contexts & BIT(ctx->ctxid))
993 static inline int iwl_is_associated_ctx(struct iwl_rxon_context
*ctx
)
995 return (ctx
->active
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
998 static inline int iwl_is_associated(struct iwl_priv
*priv
,
999 enum iwl_rxon_context_id ctxid
)
1001 return iwl_is_associated_ctx(&priv
->contexts
[ctxid
]);
1004 static inline int iwl_is_any_associated(struct iwl_priv
*priv
)
1006 struct iwl_rxon_context
*ctx
;
1007 for_each_context(priv
, ctx
)
1008 if (iwl_is_associated_ctx(ctx
))
1013 static inline int is_channel_valid(const struct iwl_channel_info
*ch_info
)
1015 if (ch_info
== NULL
)
1017 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1020 static inline int is_channel_radar(const struct iwl_channel_info
*ch_info
)
1022 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1025 static inline u8
is_channel_a_band(const struct iwl_channel_info
*ch_info
)
1027 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
1030 static inline u8
is_channel_bg_band(const struct iwl_channel_info
*ch_info
)
1032 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
1035 static inline int is_channel_passive(const struct iwl_channel_info
*ch
)
1037 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1040 static inline int is_channel_ibss(const struct iwl_channel_info
*ch
)
1042 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1045 #endif /* __iwl_dev_h__ */