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)
585 #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
587 /* TX queue watchdog timeouts in mSecs */
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
606 struct iwl_force_reset {
607 int reset_request_count;
608 int reset_success_count;
609 int reset_reject_count;
610 unsigned long reset_duration;
611 unsigned long last_force_reset_jiffies;
614 /* extend beacon time format bit shifting */
617 * bits 31:22 - extended
618 * bits 21:0 - interval
620 #define IWLAGN_EXT_BEACON_TIME_POS 22
622 struct iwl_rxon_context {
623 struct ieee80211_vif *vif;
626 u8 ac_to_queue[IEEE80211_NUM_ACS];
627 u8 ac_to_fifo[IEEE80211_NUM_ACS];
630 * We could use the vif to indicate active, but we
631 * also need it to be active during disabling when
632 * we already removed the vif for type setting.
634 bool always_active, is_active;
636 bool ht_need_multiple_chains;
638 enum iwl_rxon_context_id ctxid;
640 u32 interface_modes, exclusive_interface_modes;
641 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
644 * We declare this const so it can only be
645 * changed via explicit cast within the
646 * routines that actually update the physical
649 const struct iwl_rxon_cmd active;
650 struct iwl_rxon_cmd staging;
652 struct iwl_rxon_time_cmd timing;
654 struct iwl_qos_info qos_data;
656 u8 bcast_sta_id, ap_sta_id;
658 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
662 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
665 __le32 station_flags;
670 bool non_gf_sta_present;
672 bool enabled, is_40mhz;
673 u8 extension_chan_offset;
679 IWL_SCAN_RADIO_RESET,
683 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
684 struct iwl_testmode_trace {
693 struct iwl_testmode_mem {
697 bool read_in_progress;
701 struct iwl_wipan_noa_data {
702 struct rcu_head rcu_head;
707 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
708 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
710 #define IWL_MAC80211_GET_DVM(_hw) \
711 ((struct iwl_priv *) ((struct iwl_op_mode *) \
712 (_hw)->priv)->op_mode_specific)
716 /*data shared among all the driver's layers */
717 struct iwl_shared *shrd;
718 const struct iwl_fw *fw;
719 unsigned long status;
724 unsigned long transport_queue_stop;
726 #define IWL_INVALID_AC 0xff
727 u8 queue_to_ac[IWL_MAX_HW_QUEUES];
728 atomic_t ac_stop_count[IEEE80211_NUM_ACS];
730 unsigned long agg_q_alloc[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
732 /* ieee device used by generic ieee processing code */
733 struct ieee80211_hw *hw;
734 struct ieee80211_channel *ieee_channels;
735 struct ieee80211_rate *ieee_rates;
737 struct list_head calib_results;
739 struct workqueue_struct *workqueue;
741 enum ieee80211_band band;
744 void (*pre_rx_handler)(struct iwl_priv *priv,
745 struct iwl_rx_cmd_buffer *rxb);
746 int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
747 struct iwl_rx_cmd_buffer *rxb,
748 struct iwl_device_cmd *cmd);
750 struct iwl_notif_wait_data notif_wait;
752 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
754 /* spectrum measurement report caching */
755 struct iwl_spectrum_notification measure_report;
756 u8 measurement_status;
758 #define IWL_OWNERSHIP_DRIVER 0
759 #define IWL_OWNERSHIP_TM 1
762 /* ucode beacon time */
763 u32 ucode_beacon_time;
764 int missed_beacon_threshold;
766 /* track IBSS manager (last beacon) status */
769 /* jiffies when last recovery from statistics was performed */
770 unsigned long rx_statistics_jiffies;
773 u32 rx_handlers_stats[REPLY_MAX];
776 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET];
778 /* firmware reload counter and timestamp */
779 unsigned long reload_jiffies;
782 bool init_ucode_run; /* Don't run init uCode again */
784 /* we allocate array of iwl_channel_info for NIC's valid channels.
785 * Access via channel # using indirect index array */
786 struct iwl_channel_info *channel_info; /* channel info array */
787 u8 channel_count; /* # of channels */
789 u8 plcp_delta_threshold;
791 /* thermal calibration */
792 s32 temperature; /* Celsius */
793 s32 last_temperature;
795 struct iwl_wipan_noa_data __rcu *noa_data;
797 /* Scan related variables */
798 unsigned long scan_start;
799 unsigned long scan_start_tsf;
801 enum ieee80211_band scan_band;
802 struct cfg80211_scan_request *scan_request;
803 struct ieee80211_vif *scan_vif;
804 enum iwl_scan_type scan_type;
805 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
808 /* max number of station keys */
811 bool new_scan_threshold_behaviour;
815 /* EEPROM MAC addresses */
816 struct mac_address addresses[2];
818 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
820 __le16 switch_channel;
825 struct iwl_sensitivity_data sensitivity_data;
826 struct iwl_chain_noise_data chain_noise_data;
827 __le16 sensitivity_tbl[HD_TABLE_SIZE];
828 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
830 struct iwl_ht_config current_ht_config;
832 /* Rate scaling data */
835 int activity_timer_active;
837 /* counts mgmt, ctl, and data packets */
838 struct traffic_stats tx_stats;
839 struct traffic_stats rx_stats;
841 struct iwl_power_mgr power_data;
842 struct iwl_tt_mgmt thermal_throttle;
844 /* station table variables */
846 struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
847 unsigned long ucode_key_table;
848 struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
850 u8 mac80211_registered;
852 /* Indication if ieee80211_ops->open has been called */
855 enum nl80211_iftype iw_mode;
857 /* Last Rx'd beacon timestamp */
862 struct statistics_general_common common;
863 struct statistics_rx_non_phy rx_non_phy;
864 struct statistics_rx_phy rx_ofdm;
865 struct statistics_rx_ht_phy rx_ofdm_ht;
866 struct statistics_rx_phy rx_cck;
867 struct statistics_tx tx;
868 #ifdef CONFIG_IWLWIFI_DEBUGFS
869 struct statistics_bt_activity bt_activity;
870 __le32 num_bt_kills, accum_num_bt_kills;
874 #ifdef CONFIG_IWLWIFI_DEBUGFS
876 struct statistics_general_common common;
877 struct statistics_rx_non_phy rx_non_phy;
878 struct statistics_rx_phy rx_ofdm;
879 struct statistics_rx_ht_phy rx_ofdm_ht;
880 struct statistics_rx_phy rx_cck;
881 struct statistics_tx tx;
882 struct statistics_bt_activity bt_activity;
883 } accum_stats, delta_stats, max_delta_stats;
887 * reporting the number of tids has AGG on. 0 means
892 struct iwl_rx_phy_res last_phy_res;
893 bool last_phy_res_valid;
896 * chain noise reset and gain commands are the
897 * two extra calibration commands follows the standard
898 * phy calibration commands
900 u8 phy_calib_chain_noise_reset_cmd;
901 u8 phy_calib_chain_noise_gain_cmd;
903 /* counts reply_tx error */
904 struct reply_tx_error_statistics reply_tx_stats;
905 struct reply_agg_tx_error_statistics reply_agg_tx_stats;
907 /* remain-on-channel offload support */
908 struct ieee80211_channel *hw_roc_channel;
909 struct delayed_work hw_roc_disable_work;
910 enum nl80211_channel_type hw_roc_chantype;
912 bool hw_roc_setup, hw_roc_start_notified;
917 u8 bt_traffic_load, last_bt_traffic_load;
919 bool bt_full_concurrent;
920 bool bt_ant_couple_ok;
921 __le32 kill_ack_mask;
922 __le32 kill_cts_mask;
926 u16 dynamic_frag_thresh;
928 struct work_struct bt_traffic_change_work;
929 bool bt_enable_pspoll;
930 struct iwl_rxon_context *cur_rssi_ctx;
933 struct work_struct restart;
934 struct work_struct scan_completed;
935 struct work_struct abort_scan;
937 struct work_struct beacon_update;
938 struct iwl_rxon_context *beacon_ctx;
939 struct sk_buff *beacon_skb;
942 struct work_struct tt_work;
943 struct work_struct ct_enter;
944 struct work_struct ct_exit;
945 struct work_struct start_internal_scan;
946 struct work_struct tx_flush;
947 struct work_struct bt_full_concurrency;
948 struct work_struct bt_runtime_config;
950 struct delayed_work scan_check;
953 s8 tx_power_user_lmt;
954 s8 tx_power_device_lmt;
955 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
958 #ifdef CONFIG_IWLWIFI_DEBUGFS
964 struct dentry *debugfs_dir;
965 u32 dbgfs_sram_offset, dbgfs_sram_len;
968 #endif /* CONFIG_IWLWIFI_DEBUGFS */
970 struct work_struct txpower_work;
971 u32 disable_sens_cal;
972 u32 disable_chain_noise_cal;
973 struct work_struct run_time_calib_work;
974 struct timer_list statistics_periodic;
975 struct timer_list ucode_trace;
976 struct timer_list watchdog;
978 struct iwl_event_log event_log;
980 struct led_classdev led;
981 unsigned long blink_on, blink_off;
983 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
984 struct iwl_testmode_trace testmode_trace;
985 struct iwl_testmode_mem testmode_mem;
989 /* WoWLAN GTK rekey data */
990 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
993 bool have_rekey_data;
995 /* device_pointers: pointers to ucode event tables */
997 u32 error_event_table;
1001 /* indicator of loaded ucode image */
1002 enum iwl_ucode_type cur_ucode;
1005 extern struct kmem_cache *iwl_tx_cmd_pool;
1006 extern struct iwl_mod_params iwlagn_mod_params;
1008 static inline struct iwl_rxon_context *
1009 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
1011 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
1013 return vif_priv->ctx;
1016 #define for_each_context(priv, ctx) \
1017 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
1018 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
1019 if (priv->valid_contexts & BIT(ctx->ctxid))
1021 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
1023 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1026 static inline int iwl_is_associated(struct iwl_priv *priv,
1027 enum iwl_rxon_context_id ctxid)
1029 return iwl_is_associated_ctx(&priv->contexts[ctxid]);
1032 static inline int iwl_is_any_associated(struct iwl_priv *priv)
1034 struct iwl_rxon_context *ctx;
1035 for_each_context(priv, ctx)
1036 if (iwl_is_associated_ctx(ctx))
1041 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1043 if (ch_info == NULL)
1045 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1048 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1050 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1053 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1055 return ch_info->band == IEEE80211_BAND_5GHZ;
1058 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1060 return ch_info->band == IEEE80211_BAND_2GHZ;
1063 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1065 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1068 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1070 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1073 #endif /* __iwl_dev_h__ */