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-shared.h"
52 #include "iwl-op-mode.h"
53 #include "iwl-notif-wait.h"
55 /* CT-KILL constants */
56 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
57 #define CT_KILL_THRESHOLD 114 /* in Celsius */
58 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
60 /* Default noise level to report when noise measurement is not available.
61 * This may be because we're:
62 * 1) Not associated no beacon statistics being sent to driver)
63 * 2) Scanning (noise measurement does not apply to associated channel)
64 * Use default noise value of -127 ... this is below the range of measurable
65 * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
66 * Also, -127 works better than 0 when averaging frames with/without
67 * noise info (e.g. averaging might be done in app); measured dBm values are
68 * always negative ... using a negative value as the default keeps all
69 * averages within an s8's (used in some apps) range of negative values. */
70 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
73 * RTS threshold here is total size [2347] minus 4 FCS bytes
75 * a value of 0 means RTS on all data/management packets
76 * a value > max MSDU size means no RTS
77 * else RTS for data/management frames where MPDU is larger
80 #define DEFAULT_RTS_THRESHOLD 2347U
81 #define MIN_RTS_THRESHOLD 0U
82 #define MAX_RTS_THRESHOLD 2347U
83 #define MAX_MSDU_SIZE 2304U
84 #define MAX_MPDU_SIZE 2346U
85 #define DEFAULT_BEACON_INTERVAL 200U
86 #define DEFAULT_SHORT_RETRY_LIMIT 7U
87 #define DEFAULT_LONG_RETRY_LIMIT 4U
89 #define IWL_NUM_SCAN_RATES (2)
92 * One for each channel, holds all channel setup data
93 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
96 struct iwl_channel_info {
97 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
98 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for
101 u8 channel; /* channel number */
102 u8 flags; /* flags copied from EEPROM */
103 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
104 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
105 s8 min_power; /* always 0 */
106 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
108 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
109 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
110 enum ieee80211_band band;
112 /* HT40 channel info */
113 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
114 u8 ht40_flags; /* flags copied from EEPROM */
115 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
119 * Minimum number of queues. MAX_NUM is defined in hw specific files.
120 * Set the minimum to accommodate
121 * - 4 standard TX queues
122 * - the command queue
124 * - the PAN multicast queue, and
125 * - the AUX (TX during scan dwell) queue.
127 #define IWL_MIN_NUM_QUEUES 11
130 * Command queue depends on iPAN support.
132 #define IWL_DEFAULT_CMD_QUEUE_NUM 4
133 #define IWL_IPAN_CMD_QUEUE_NUM 9
135 #define IEEE80211_DATA_LEN 2304
136 #define IEEE80211_4ADDR_LEN 30
137 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
138 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
140 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
141 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
142 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
144 #define IWL_SUPPORTED_RATES_IE_LEN 8
146 #define IWL_INVALID_RATE 0xFF
147 #define IWL_INVALID_VALUE -1
149 union iwl_ht_rate_supp {
157 #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
158 #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
159 #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
160 #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
161 #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
162 #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
163 #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
166 * Maximal MPDU density for TX aggregation
172 #define CFG_HT_MPDU_DENSITY_2USEC (0x4)
173 #define CFG_HT_MPDU_DENSITY_4USEC (0x5)
174 #define CFG_HT_MPDU_DENSITY_8USEC (0x6)
175 #define CFG_HT_MPDU_DENSITY_16USEC (0x7)
176 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
177 #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
178 #define CFG_HT_MPDU_DENSITY_MIN (0x1)
180 struct iwl_ht_config {
181 bool single_chain_sufficient;
182 enum ieee80211_smps_mode smps; /* current smps mode */
186 struct iwl_qos_info {
188 struct iwl_qosparam_cmd def_qos_parm;
194 * The state machine of the BA agreement establishment / tear down.
195 * These states relate to a specific RA / TID.
197 * @IWL_AGG_OFF: aggregation is not used
198 * @IWL_AGG_STARTING: aggregation are starting (between start and oper)
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.
209 IWL_EMPTYING_HW_QUEUE_ADDBA,
210 IWL_EMPTYING_HW_QUEUE_DELBA,
214 * struct iwl_ht_agg - aggregation state machine
216 * This structs holds the states for the BA agreement establishment and tear
217 * down. It also holds the state during the BA session itself. This struct is
218 * duplicated for each RA / TID.
220 * @rate_n_flags: Rate at which Tx was attempted. Holds the data between the
221 * Tx response (REPLY_TX), and the block ack notification
222 * (REPLY_COMPRESSED_BA).
223 * @state: state of the BA agreement establishment / tear down.
224 * @txq_id: Tx queue used by the BA session
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 {
301 u16 auto_corr_min_ofdm;
302 u16 auto_corr_min_ofdm_mrc;
303 u16 auto_corr_min_ofdm_x1;
304 u16 auto_corr_min_ofdm_mrc_x1;
306 u16 auto_corr_max_ofdm;
307 u16 auto_corr_max_ofdm_mrc;
308 u16 auto_corr_max_ofdm_x1;
309 u16 auto_corr_max_ofdm_mrc_x1;
311 u16 auto_corr_max_cck;
312 u16 auto_corr_max_cck_mrc;
313 u16 auto_corr_min_cck;
314 u16 auto_corr_min_cck_mrc;
316 u16 barker_corr_th_min;
317 u16 barker_corr_th_min_mrc;
322 #define KELVIN_TO_CELSIUS(x) ((x)-273)
323 #define CELSIUS_TO_KELVIN(x) ((x)+273)
326 /******************************************************************************
328 * Functions implemented in core module which are forward declared here
329 * for use by iwl-[4-5].c
331 * NOTE: The implementation of these functions are not hardware specific
332 * which is why they are in the core module files.
334 * Naming convention --
335 * iwl_ <-- Is part of iwlwifi
336 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
338 ****************************************************************************/
339 extern void iwl_update_chain_flags(struct iwl_priv *priv);
340 extern const u8 iwl_bcast_addr[ETH_ALEN];
342 #define IWL_OPERATION_MODE_AUTO 0
343 #define IWL_OPERATION_MODE_HT_ONLY 1
344 #define IWL_OPERATION_MODE_MIXED 2
345 #define IWL_OPERATION_MODE_20MHZ 3
347 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
349 /* Sensitivity and chain noise calibration */
350 #define INITIALIZATION_VALUE 0xFFFF
351 #define IWL_CAL_NUM_BEACONS 16
352 #define MAXIMUM_ALLOWED_PATHLOSS 15
354 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
356 #define MAX_FA_OFDM 50
357 #define MIN_FA_OFDM 5
358 #define MAX_FA_CCK 50
361 #define AUTO_CORR_STEP_OFDM 1
363 #define AUTO_CORR_STEP_CCK 3
364 #define AUTO_CORR_MAX_TH_CCK 160
367 #define NRG_STEP_CCK 2
369 #define MAX_NUMBER_CCK_NO_FA 100
371 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
376 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
377 #define ALL_BAND_FILTER 0xFF00
378 #define IN_BAND_FILTER 0xFF
379 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
381 #define NRG_NUM_PREV_STAT_L 20
382 #define NUM_RX_CHAINS 3
384 enum iwlagn_false_alarm_state {
387 IWL_FA_GOOD_RANGE = 2,
390 enum iwlagn_chain_noise_state {
391 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
392 IWL_CHAIN_NOISE_ACCUMULATE,
393 IWL_CHAIN_NOISE_CALIBRATED,
394 IWL_CHAIN_NOISE_DONE,
397 /* Sensitivity calib data */
398 struct iwl_sensitivity_data {
400 u32 auto_corr_ofdm_mrc;
401 u32 auto_corr_ofdm_x1;
402 u32 auto_corr_ofdm_mrc_x1;
404 u32 auto_corr_cck_mrc;
406 u32 last_bad_plcp_cnt_ofdm;
407 u32 last_fa_cnt_ofdm;
408 u32 last_bad_plcp_cnt_cck;
414 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
419 s32 nrg_auto_corr_silence_diff;
420 u32 num_in_cck_no_fa;
423 u16 barker_corr_th_min;
424 u16 barker_corr_th_min_mrc;
428 /* Chain noise (differential Rx gain) calib data */
429 struct iwl_chain_noise_data {
438 u8 disconn_array[NUM_RX_CHAINS];
439 u8 delta_gain_code[NUM_RX_CHAINS];
445 MEASUREMENT_READY = (1 << 0),
446 MEASUREMENT_ACTIVE = (1 << 1),
450 NVM_DEVICE_TYPE_EEPROM = 0,
455 * Two types of OTP memory access modes
456 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
457 * based on physical memory addressing
458 * IWL_OTP_ACCESS_RELATIVE - relative address mode,
459 * based on logical memory addressing
461 enum iwl_access_mode {
462 IWL_OTP_ACCESS_ABSOLUTE,
463 IWL_OTP_ACCESS_RELATIVE,
466 /* reply_tx_statistics (for _agn devices) */
467 struct reply_tx_error_statistics {
473 u32 int_crossed_retry;
489 u32 sta_color_mismatch;
493 /* reply_agg_tx_statistics (for _agn devices) */
494 struct reply_agg_tx_error_statistics {
501 u32 last_sent_bt_kill;
511 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
512 * to perform continuous uCode event logging operation if enabled
514 #define UCODE_TRACE_PERIOD (10)
517 * iwl_event_log: current uCode event log position
519 * @ucode_trace: enable/disable ucode continuous trace timer
520 * @num_wraps: how many times the event buffer wraps
521 * @next_entry: the entry just before the next one that uCode would fill
522 * @non_wraps_count: counter for no wrap detected when dump ucode events
523 * @wraps_once_count: counter for wrap once detected when dump ucode events
524 * @wraps_more_count: counter for wrap more than once detected
525 * when dump ucode events
527 struct iwl_event_log {
532 int wraps_once_count;
533 int wraps_more_count;
537 * This is the threshold value of plcp error rate per 100mSecs. It is
538 * used to set and check for the validity of plcp_delta.
540 #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
541 #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
542 #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
543 #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
544 #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
545 #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
547 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
549 /* TX queue watchdog timeouts in mSecs */
550 #define IWL_WATCHHDOG_DISABLED (0)
551 #define IWL_DEF_WD_TIMEOUT (2000)
552 #define IWL_LONG_WD_TIMEOUT (10000)
553 #define IWL_MAX_WD_TIMEOUT (120000)
555 /* BT Antenna Coupling Threshold (dB) */
556 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
558 /* Firmware reload counter and Timestamp */
559 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
560 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
563 struct iwl_rf_reset {
564 int reset_request_count;
565 int reset_success_count;
566 int reset_reject_count;
567 unsigned long last_reset_jiffies;
570 enum iwl_rxon_context_id {
577 /* extend beacon time format bit shifting */
580 * bits 31:22 - extended
581 * bits 21:0 - interval
583 #define IWLAGN_EXT_BEACON_TIME_POS 22
585 struct iwl_rxon_context {
586 struct ieee80211_vif *vif;
589 u8 ac_to_queue[IEEE80211_NUM_ACS];
590 u8 ac_to_fifo[IEEE80211_NUM_ACS];
593 * We could use the vif to indicate active, but we
594 * also need it to be active during disabling when
595 * we already removed the vif for type setting.
597 bool always_active, is_active;
599 bool ht_need_multiple_chains;
601 enum iwl_rxon_context_id ctxid;
603 u32 interface_modes, exclusive_interface_modes;
604 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
607 * We declare this const so it can only be
608 * changed via explicit cast within the
609 * routines that actually update the physical
612 const struct iwl_rxon_cmd active;
613 struct iwl_rxon_cmd staging;
615 struct iwl_rxon_time_cmd timing;
617 struct iwl_qos_info qos_data;
619 u8 bcast_sta_id, ap_sta_id;
621 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
625 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
628 __le32 station_flags;
633 bool non_gf_sta_present;
635 bool enabled, is_40mhz;
636 u8 extension_chan_offset;
642 IWL_SCAN_RADIO_RESET,
647 * struct iwl_hw_params
649 * Holds the module parameters
651 * @tx_chains_num: Number of TX chains
652 * @rx_chains_num: Number of RX chains
653 * @valid_tx_ant: usable antennas for TX
654 * @valid_rx_ant: usable antennas for RX
655 * @ht40_channel: is 40MHz width possible: BIT(IEEE80211_BAND_XXX)
656 * @sku: sku read from EEPROM
657 * @ct_kill_threshold: temperature threshold - in hw dependent unit
658 * @ct_kill_exit_threshold: when to reeable the device - in hw dependent unit
659 * relevant for 1000, 6000 and up
660 * @struct iwl_sensitivity_ranges: range of sensitivity values
661 * @use_rts_for_aggregation: use rts/cts protection for HT traffic
663 struct iwl_hw_params {
669 bool use_rts_for_aggregation;
671 u32 ct_kill_threshold;
672 u32 ct_kill_exit_threshold;
674 const struct iwl_sensitivity_ranges *sens;
678 /* set hw dependent parameters */
679 void (*set_hw_params)(struct iwl_priv *priv);
680 int (*set_channel_switch)(struct iwl_priv *priv,
681 struct ieee80211_channel_switch *ch_switch);
682 /* device specific configuration */
683 void (*nic_config)(struct iwl_priv *priv);
685 /* eeprom operations (as defined in iwl-eeprom.h) */
686 struct iwl_eeprom_ops eeprom_ops;
689 void (*temperature)(struct iwl_priv *priv);
692 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
693 struct iwl_testmode_trace {
702 struct iwl_testmode_mem {
706 bool read_in_progress;
710 struct iwl_wipan_noa_data {
711 struct rcu_head rcu_head;
716 /* Calibration disabling bit mask */
718 IWL_CALIB_ENABLE_ALL = 0,
720 IWL_SENSITIVITY_CALIB_DISABLED = BIT(0),
721 IWL_CHAIN_NOISE_CALIB_DISABLED = BIT(1),
722 IWL_TX_POWER_CALIB_DISABLED = BIT(2),
724 IWL_CALIB_DISABLE_ALL = 0xFFFFFFFF,
727 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
728 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
730 #define IWL_MAC80211_GET_DVM(_hw) \
731 ((struct iwl_priv *) ((struct iwl_op_mode *) \
732 (_hw)->priv)->op_mode_specific)
736 struct iwl_trans *trans;
737 struct device *dev; /* for debug prints only */
738 const struct iwl_cfg *cfg;
739 const struct iwl_fw *fw;
740 const struct iwl_lib_ops *lib;
741 unsigned long status;
746 unsigned long transport_queue_stop;
748 #define IWL_INVALID_AC 0xff
749 u8 queue_to_ac[IWL_MAX_HW_QUEUES];
750 atomic_t ac_stop_count[IEEE80211_NUM_ACS];
752 unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
754 /* ieee device used by generic ieee processing code */
755 struct ieee80211_hw *hw;
756 struct ieee80211_channel *ieee_channels;
757 struct ieee80211_rate *ieee_rates;
759 struct list_head calib_results;
761 struct workqueue_struct *workqueue;
763 struct iwl_hw_params hw_params;
765 enum ieee80211_band band;
768 void (*pre_rx_handler)(struct iwl_priv *priv,
769 struct iwl_rx_cmd_buffer *rxb);
770 int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
771 struct iwl_rx_cmd_buffer *rxb,
772 struct iwl_device_cmd *cmd);
774 struct iwl_notif_wait_data notif_wait;
776 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
778 /* spectrum measurement report caching */
779 struct iwl_spectrum_notification measure_report;
780 u8 measurement_status;
782 #define IWL_OWNERSHIP_DRIVER 0
783 #define IWL_OWNERSHIP_TM 1
786 /* ucode beacon time */
787 u32 ucode_beacon_time;
788 int missed_beacon_threshold;
790 /* track IBSS manager (last beacon) status */
793 /* jiffies when last recovery from statistics was performed */
794 unsigned long rx_statistics_jiffies;
797 u32 rx_handlers_stats[REPLY_MAX];
800 struct iwl_rf_reset rf_reset;
802 /* firmware reload counter and timestamp */
803 unsigned long reload_jiffies;
806 bool init_ucode_run; /* Don't run init uCode again */
808 /* we allocate array of iwl_channel_info for NIC's valid channels.
809 * Access via channel # using indirect index array */
810 struct iwl_channel_info *channel_info; /* channel info array */
811 u8 channel_count; /* # of channels */
813 u8 plcp_delta_threshold;
815 /* thermal calibration */
816 s32 temperature; /* Celsius */
817 s32 last_temperature;
819 struct iwl_wipan_noa_data __rcu *noa_data;
821 /* Scan related variables */
822 unsigned long scan_start;
823 unsigned long scan_start_tsf;
825 enum ieee80211_band scan_band;
826 struct cfg80211_scan_request *scan_request;
827 struct ieee80211_vif *scan_vif;
828 enum iwl_scan_type scan_type;
829 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
832 /* max number of station keys */
835 bool new_scan_threshold_behaviour;
839 /* EEPROM MAC addresses */
840 struct mac_address addresses[2];
842 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
844 __le16 switch_channel;
847 struct iwl_sensitivity_data sensitivity_data;
848 struct iwl_chain_noise_data chain_noise_data;
849 __le16 sensitivity_tbl[HD_TABLE_SIZE];
850 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
852 struct iwl_ht_config current_ht_config;
854 /* Rate scaling data */
857 int activity_timer_active;
859 struct iwl_power_mgr power_data;
860 struct iwl_tt_mgmt thermal_throttle;
862 /* station table variables */
864 struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
865 unsigned long ucode_key_table;
866 struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
868 u8 mac80211_registered;
870 /* Indication if ieee80211_ops->open has been called */
873 enum nl80211_iftype iw_mode;
875 /* Last Rx'd beacon timestamp */
880 struct statistics_general_common common;
881 struct statistics_rx_non_phy rx_non_phy;
882 struct statistics_rx_phy rx_ofdm;
883 struct statistics_rx_ht_phy rx_ofdm_ht;
884 struct statistics_rx_phy rx_cck;
885 struct statistics_tx tx;
886 #ifdef CONFIG_IWLWIFI_DEBUGFS
887 struct statistics_bt_activity bt_activity;
888 __le32 num_bt_kills, accum_num_bt_kills;
892 #ifdef CONFIG_IWLWIFI_DEBUGFS
894 struct statistics_general_common common;
895 struct statistics_rx_non_phy rx_non_phy;
896 struct statistics_rx_phy rx_ofdm;
897 struct statistics_rx_ht_phy rx_ofdm_ht;
898 struct statistics_rx_phy rx_cck;
899 struct statistics_tx tx;
900 struct statistics_bt_activity bt_activity;
901 } accum_stats, delta_stats, max_delta_stats;
905 * reporting the number of tids has AGG on. 0 means
910 struct iwl_rx_phy_res last_phy_res;
911 bool last_phy_res_valid;
914 * chain noise reset and gain commands are the
915 * two extra calibration commands follows the standard
916 * phy calibration commands
918 u8 phy_calib_chain_noise_reset_cmd;
919 u8 phy_calib_chain_noise_gain_cmd;
921 /* counts reply_tx error */
922 struct reply_tx_error_statistics reply_tx_stats;
923 struct reply_agg_tx_error_statistics reply_agg_tx_stats;
925 /* remain-on-channel offload support */
926 struct ieee80211_channel *hw_roc_channel;
927 struct delayed_work hw_roc_disable_work;
928 enum nl80211_channel_type hw_roc_chantype;
930 bool hw_roc_setup, hw_roc_start_notified;
935 u8 bt_traffic_load, last_bt_traffic_load;
937 bool bt_full_concurrent;
938 bool bt_ant_couple_ok;
939 __le32 kill_ack_mask;
940 __le32 kill_cts_mask;
944 u16 dynamic_frag_thresh;
946 struct work_struct bt_traffic_change_work;
947 bool bt_enable_pspoll;
948 struct iwl_rxon_context *cur_rssi_ctx;
951 struct work_struct restart;
952 struct work_struct scan_completed;
953 struct work_struct abort_scan;
955 struct work_struct beacon_update;
956 struct iwl_rxon_context *beacon_ctx;
957 struct sk_buff *beacon_skb;
960 struct work_struct tt_work;
961 struct work_struct ct_enter;
962 struct work_struct ct_exit;
963 struct work_struct start_internal_scan;
964 struct work_struct tx_flush;
965 struct work_struct bt_full_concurrency;
966 struct work_struct bt_runtime_config;
968 struct delayed_work scan_check;
971 s8 tx_power_user_lmt;
972 s8 tx_power_device_lmt;
973 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
976 #ifdef CONFIG_IWLWIFI_DEBUGFS
978 struct dentry *debugfs_dir;
979 u32 dbgfs_sram_offset, dbgfs_sram_len;
982 #endif /* CONFIG_IWLWIFI_DEBUGFS */
984 /* eeprom -- this is in the card's little endian byte order */
986 enum iwl_nvm_type nvm_device_type;
988 struct work_struct txpower_work;
990 struct work_struct run_time_calib_work;
991 struct timer_list statistics_periodic;
992 struct timer_list ucode_trace;
994 struct iwl_event_log event_log;
996 struct led_classdev led;
997 unsigned long blink_on, blink_off;
999 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
1000 struct iwl_testmode_trace testmode_trace;
1001 struct iwl_testmode_mem testmode_mem;
1005 /* WoWLAN GTK rekey data */
1006 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
1008 __le16 last_seq_ctl;
1009 bool have_rekey_data;
1011 /* device_pointers: pointers to ucode event tables */
1013 u32 error_event_table;
1014 u32 log_event_table;
1017 /* indicator of loaded ucode image */
1018 enum iwl_ucode_type cur_ucode;
1021 extern struct kmem_cache *iwl_tx_cmd_pool;
1022 extern struct iwl_mod_params iwlagn_mod_params;
1024 static inline struct iwl_rxon_context *
1025 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
1027 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
1029 return vif_priv->ctx;
1032 #define for_each_context(priv, ctx) \
1033 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
1034 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
1035 if (priv->valid_contexts & BIT(ctx->ctxid))
1037 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
1039 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1042 static inline int iwl_is_associated(struct iwl_priv *priv,
1043 enum iwl_rxon_context_id ctxid)
1045 return iwl_is_associated_ctx(&priv->contexts[ctxid]);
1048 static inline int iwl_is_any_associated(struct iwl_priv *priv)
1050 struct iwl_rxon_context *ctx;
1051 for_each_context(priv, ctx)
1052 if (iwl_is_associated_ctx(ctx))
1057 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1059 if (ch_info == NULL)
1061 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1064 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1066 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1069 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1071 return ch_info->band == IEEE80211_BAND_5GHZ;
1074 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1076 return ch_info->band == IEEE80211_BAND_2GHZ;
1079 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1081 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1084 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1086 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1089 #endif /* __iwl_dev_h__ */