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"
53 #include "iwl-op-mode.h"
57 /* CT-KILL constants */
58 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
59 #define CT_KILL_THRESHOLD 114 /* in Celsius */
60 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
62 /* Default noise level to report when noise measurement is not available.
63 * This may be because we're:
64 * 1) Not associated no beacon statistics being sent to driver)
65 * 2) Scanning (noise measurement does not apply to associated channel)
66 * Use default noise value of -127 ... this is below the range of measurable
67 * Rx dBm for all agn devices, so it can indicate "unmeasurable" to user.
68 * Also, -127 works better than 0 when averaging frames with/without
69 * noise info (e.g. averaging might be done in app); measured dBm values are
70 * always negative ... using a negative value as the default keeps all
71 * averages within an s8's (used in some apps) range of negative values. */
72 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
75 * RTS threshold here is total size [2347] minus 4 FCS bytes
77 * a value of 0 means RTS on all data/management packets
78 * a value > max MSDU size means no RTS
79 * else RTS for data/management frames where MPDU is larger
82 #define DEFAULT_RTS_THRESHOLD 2347U
83 #define MIN_RTS_THRESHOLD 0U
84 #define MAX_RTS_THRESHOLD 2347U
85 #define MAX_MSDU_SIZE 2304U
86 #define MAX_MPDU_SIZE 2346U
87 #define DEFAULT_BEACON_INTERVAL 200U
88 #define DEFAULT_SHORT_RETRY_LIMIT 7U
89 #define DEFAULT_LONG_RETRY_LIMIT 4U
91 #define IWL_NUM_SCAN_RATES (2)
94 * One for each channel, holds all channel setup data
95 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
98 struct iwl_channel_info {
99 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
100 struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for
103 u8 channel; /* channel number */
104 u8 flags; /* flags copied from EEPROM */
105 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
106 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
107 s8 min_power; /* always 0 */
108 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
110 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
111 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
112 enum ieee80211_band band;
114 /* HT40 channel info */
115 s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
116 u8 ht40_flags; /* flags copied from EEPROM */
117 u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
121 * Minimum number of queues. MAX_NUM is defined in hw specific files.
122 * Set the minimum to accommodate
123 * - 4 standard TX queues
124 * - the command queue
126 * - the PAN multicast queue, and
127 * - the AUX (TX during scan dwell) queue.
129 #define IWL_MIN_NUM_QUEUES 11
132 * Command queue depends on iPAN support.
134 #define IWL_DEFAULT_CMD_QUEUE_NUM 4
135 #define IWL_IPAN_CMD_QUEUE_NUM 9
137 #define IEEE80211_DATA_LEN 2304
138 #define IEEE80211_4ADDR_LEN 30
139 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
140 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
142 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
143 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
144 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
146 #define IWL_SUPPORTED_RATES_IE_LEN 8
148 #define IWL_INVALID_RATE 0xFF
149 #define IWL_INVALID_VALUE -1
151 union iwl_ht_rate_supp {
159 #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
160 #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
161 #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
162 #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
163 #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
164 #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
165 #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
168 * Maximal MPDU density for TX aggregation
174 #define CFG_HT_MPDU_DENSITY_2USEC (0x4)
175 #define CFG_HT_MPDU_DENSITY_4USEC (0x5)
176 #define CFG_HT_MPDU_DENSITY_8USEC (0x6)
177 #define CFG_HT_MPDU_DENSITY_16USEC (0x7)
178 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
179 #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
180 #define CFG_HT_MPDU_DENSITY_MIN (0x1)
182 struct iwl_ht_config {
183 bool single_chain_sufficient;
184 enum ieee80211_smps_mode smps; /* current smps mode */
188 struct iwl_qos_info {
190 struct iwl_qosparam_cmd def_qos_parm;
196 * The state machine of the BA agreement establishment / tear down.
197 * These states relate to a specific RA / TID.
199 * @IWL_AGG_OFF: aggregation is not used
200 * @IWL_AGG_ON: aggregation session is up
201 * @IWL_EMPTYING_HW_QUEUE_ADDBA: establishing a BA session - waiting for the
202 * HW queue to be empty from packets for this RA /TID.
203 * @IWL_EMPTYING_HW_QUEUE_DELBA: tearing down a BA session - waiting for the
204 * 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 - used by the transport layer.
225 * Needed by the upper layer for debugfs only.
226 * @ssn: the first packet to be sent in AGG HW queue in Tx AGG start flow, or
227 * the first packet to be sent in legacy HW queue in Tx AGG stop flow.
228 * Basically when next_reclaimed reaches ssn, we can tell mac80211 that
229 * we are ready to finish the Tx AGG stop / start flow.
230 * @wait_for_ba: Expect block-ack before next Tx reply
234 enum iwl_agg_state state;
241 * struct iwl_tid_data - one for each RA / TID
243 * This structs holds the states for each RA / TID.
245 * @seq_number: the next WiFi sequence number to use
246 * @next_reclaimed: the WiFi sequence number of the next packet to be acked.
247 * This is basically (last acked packet++).
248 * @agg: aggregation state machine
250 struct iwl_tid_data {
253 struct iwl_ht_agg agg;
257 * Structure should be accessed with sta_lock held. When station addition
258 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
259 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
262 struct iwl_station_entry {
263 struct iwl_addsta_cmd sta;
265 struct iwl_link_quality_cmd *lq;
269 * iwl_station_priv: Driver's private station information
271 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
272 * in the structure for use by driver. This structure is places in that
275 struct iwl_station_priv {
276 struct iwl_rxon_context *ctx;
277 struct iwl_lq_sta lq_sta;
278 atomic_t pending_frames;
286 * struct iwl_vif_priv - driver's private per-interface information
288 * When mac80211 allocates a virtual interface, it can allocate
289 * space for us to put data into.
291 struct iwl_vif_priv {
292 struct iwl_rxon_context *ctx;
293 u8 ibss_bssid_sta_id;
296 struct iwl_sensitivity_ranges {
303 u16 auto_corr_min_ofdm;
304 u16 auto_corr_min_ofdm_mrc;
305 u16 auto_corr_min_ofdm_x1;
306 u16 auto_corr_min_ofdm_mrc_x1;
308 u16 auto_corr_max_ofdm;
309 u16 auto_corr_max_ofdm_mrc;
310 u16 auto_corr_max_ofdm_x1;
311 u16 auto_corr_max_ofdm_mrc_x1;
313 u16 auto_corr_max_cck;
314 u16 auto_corr_max_cck_mrc;
315 u16 auto_corr_min_cck;
316 u16 auto_corr_min_cck_mrc;
318 u16 barker_corr_th_min;
319 u16 barker_corr_th_min_mrc;
324 #define KELVIN_TO_CELSIUS(x) ((x)-273)
325 #define CELSIUS_TO_KELVIN(x) ((x)+273)
328 /******************************************************************************
330 * Functions implemented in core module which are forward declared here
331 * for use by iwl-[4-5].c
333 * NOTE: The implementation of these functions are not hardware specific
334 * which is why they are in the core module files.
336 * Naming convention --
337 * iwl_ <-- Is part of iwlwifi
338 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
340 ****************************************************************************/
341 extern void iwl_update_chain_flags(struct iwl_priv *priv);
342 extern const u8 iwl_bcast_addr[ETH_ALEN];
344 #define IWL_OPERATION_MODE_AUTO 0
345 #define IWL_OPERATION_MODE_HT_ONLY 1
346 #define IWL_OPERATION_MODE_MIXED 2
347 #define IWL_OPERATION_MODE_20MHZ 3
349 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
351 /* Sensitivity and chain noise calibration */
352 #define INITIALIZATION_VALUE 0xFFFF
353 #define IWL_CAL_NUM_BEACONS 16
354 #define MAXIMUM_ALLOWED_PATHLOSS 15
356 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
358 #define MAX_FA_OFDM 50
359 #define MIN_FA_OFDM 5
360 #define MAX_FA_CCK 50
363 #define AUTO_CORR_STEP_OFDM 1
365 #define AUTO_CORR_STEP_CCK 3
366 #define AUTO_CORR_MAX_TH_CCK 160
369 #define NRG_STEP_CCK 2
371 #define MAX_NUMBER_CCK_NO_FA 100
373 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
378 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
379 #define ALL_BAND_FILTER 0xFF00
380 #define IN_BAND_FILTER 0xFF
381 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
383 #define NRG_NUM_PREV_STAT_L 20
384 #define NUM_RX_CHAINS 3
386 enum iwlagn_false_alarm_state {
389 IWL_FA_GOOD_RANGE = 2,
392 enum iwlagn_chain_noise_state {
393 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
394 IWL_CHAIN_NOISE_ACCUMULATE,
395 IWL_CHAIN_NOISE_CALIBRATED,
396 IWL_CHAIN_NOISE_DONE,
399 /* Sensitivity calib data */
400 struct iwl_sensitivity_data {
402 u32 auto_corr_ofdm_mrc;
403 u32 auto_corr_ofdm_x1;
404 u32 auto_corr_ofdm_mrc_x1;
406 u32 auto_corr_cck_mrc;
408 u32 last_bad_plcp_cnt_ofdm;
409 u32 last_fa_cnt_ofdm;
410 u32 last_bad_plcp_cnt_cck;
416 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
421 s32 nrg_auto_corr_silence_diff;
422 u32 num_in_cck_no_fa;
425 u16 barker_corr_th_min;
426 u16 barker_corr_th_min_mrc;
430 /* Chain noise (differential Rx gain) calib data */
431 struct iwl_chain_noise_data {
440 u8 disconn_array[NUM_RX_CHAINS];
441 u8 delta_gain_code[NUM_RX_CHAINS];
446 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
447 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
450 MEASUREMENT_READY = (1 << 0),
451 MEASUREMENT_ACTIVE = (1 << 1),
455 NVM_DEVICE_TYPE_EEPROM = 0,
460 * Two types of OTP memory access modes
461 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
462 * based on physical memory addressing
463 * IWL_OTP_ACCESS_RELATIVE - relative address mode,
464 * based on logical memory addressing
466 enum iwl_access_mode {
467 IWL_OTP_ACCESS_ABSOLUTE,
468 IWL_OTP_ACCESS_RELATIVE,
471 /* reply_tx_statistics (for _agn devices) */
472 struct reply_tx_error_statistics {
478 u32 int_crossed_retry;
494 u32 sta_color_mismatch;
498 /* reply_agg_tx_statistics (for _agn devices) */
499 struct reply_agg_tx_error_statistics {
506 u32 last_sent_bt_kill;
515 /* management statistics */
516 enum iwl_mgmt_stats {
517 MANAGEMENT_ASSOC_REQ = 0,
518 MANAGEMENT_ASSOC_RESP,
519 MANAGEMENT_REASSOC_REQ,
520 MANAGEMENT_REASSOC_RESP,
521 MANAGEMENT_PROBE_REQ,
522 MANAGEMENT_PROBE_RESP,
531 /* control statistics */
532 enum iwl_ctrl_stats {
533 CONTROL_BACK_REQ = 0,
544 struct traffic_stats {
545 #ifdef CONFIG_IWLWIFI_DEBUGFS
546 u32 mgmt[MANAGEMENT_MAX];
547 u32 ctrl[CONTROL_MAX];
554 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
555 * to perform continuous uCode event logging operation if enabled
557 #define UCODE_TRACE_PERIOD (10)
560 * iwl_event_log: current uCode event log position
562 * @ucode_trace: enable/disable ucode continuous trace timer
563 * @num_wraps: how many times the event buffer wraps
564 * @next_entry: the entry just before the next one that uCode would fill
565 * @non_wraps_count: counter for no wrap detected when dump ucode events
566 * @wraps_once_count: counter for wrap once detected when dump ucode events
567 * @wraps_more_count: counter for wrap more than once detected
568 * when dump ucode events
570 struct iwl_event_log {
575 int wraps_once_count;
576 int wraps_more_count;
580 * This is the threshold value of plcp error rate per 100mSecs. It is
581 * used to set and check for the validity of plcp_delta.
583 #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
584 #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
585 #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
586 #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
587 #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
588 #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
590 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
591 #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
593 /* TX queue watchdog timeouts in mSecs */
594 #define IWL_DEF_WD_TIMEOUT (2000)
595 #define IWL_LONG_WD_TIMEOUT (10000)
596 #define IWL_MAX_WD_TIMEOUT (120000)
598 /* BT Antenna Coupling Threshold (dB) */
599 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
601 /* Firmware reload counter and Timestamp */
602 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
603 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
612 struct iwl_force_reset {
613 int reset_request_count;
614 int reset_success_count;
615 int reset_reject_count;
616 unsigned long reset_duration;
617 unsigned long last_force_reset_jiffies;
620 /* extend beacon time format bit shifting */
623 * bits 31:22 - extended
624 * bits 21:0 - interval
626 #define IWLAGN_EXT_BEACON_TIME_POS 22
628 struct iwl_rxon_context {
629 struct ieee80211_vif *vif;
632 * We could use the vif to indicate active, but we
633 * also need it to be active during disabling when
634 * we already removed the vif for type setting.
636 bool always_active, is_active;
638 bool ht_need_multiple_chains;
640 enum iwl_rxon_context_id ctxid;
642 u32 interface_modes, exclusive_interface_modes;
643 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
646 * We declare this const so it can only be
647 * changed via explicit cast within the
648 * routines that actually update the physical
651 const struct iwl_rxon_cmd active;
652 struct iwl_rxon_cmd staging;
654 struct iwl_rxon_time_cmd timing;
656 struct iwl_qos_info qos_data;
658 u8 bcast_sta_id, ap_sta_id;
660 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
664 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
667 __le32 station_flags;
672 bool non_gf_sta_present;
674 bool enabled, is_40mhz;
675 u8 extension_chan_offset;
681 bool last_tx_rejected;
686 IWL_SCAN_RADIO_RESET,
690 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
691 struct iwl_testmode_trace {
700 struct iwl_testmode_mem {
704 bool read_in_progress;
708 struct iwl_wipan_noa_data {
709 struct rcu_head rcu_head;
714 #define IWL_OP_MODE_GET_DVM(_iwl_op_mode) \
715 ((struct iwl_priv *) ((_iwl_op_mode)->op_mode_specific))
717 #define IWL_MAC80211_GET_DVM(_hw) \
718 ((struct iwl_priv *) ((struct iwl_op_mode *) \
719 (_hw)->priv)->op_mode_specific)
723 /*data shared among all the driver's layers */
724 struct iwl_shared *shrd;
726 /* ieee device used by generic ieee processing code */
727 struct ieee80211_hw *hw;
728 struct ieee80211_channel *ieee_channels;
729 struct ieee80211_rate *ieee_rates;
730 struct kmem_cache *tx_cmd_pool;
732 struct workqueue_struct *workqueue;
734 enum ieee80211_band band;
736 void (*pre_rx_handler)(struct iwl_priv *priv,
737 struct iwl_rx_mem_buffer *rxb);
738 int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
739 struct iwl_rx_mem_buffer *rxb,
740 struct iwl_device_cmd *cmd);
742 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
744 /* spectrum measurement report caching */
745 struct iwl_spectrum_notification measure_report;
746 u8 measurement_status;
748 /* ucode beacon time */
749 u32 ucode_beacon_time;
750 int missed_beacon_threshold;
752 /* track IBSS manager (last beacon) status */
755 /* jiffies when last recovery from statistics was performed */
756 unsigned long rx_statistics_jiffies;
759 u32 rx_handlers_stats[REPLY_MAX];
762 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET];
764 /* firmware reload counter and timestamp */
765 unsigned long reload_jiffies;
768 /* we allocate array of iwl_channel_info for NIC's valid channels.
769 * Access via channel # using indirect index array */
770 struct iwl_channel_info *channel_info; /* channel info array */
771 u8 channel_count; /* # of channels */
773 /* thermal calibration */
774 s32 temperature; /* Celsius */
775 s32 last_temperature;
777 struct iwl_wipan_noa_data __rcu *noa_data;
779 /* Scan related variables */
780 unsigned long scan_start;
781 unsigned long scan_start_tsf;
783 enum ieee80211_band scan_band;
784 struct cfg80211_scan_request *scan_request;
785 struct ieee80211_vif *scan_vif;
786 enum iwl_scan_type scan_type;
787 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
790 /* max number of station keys */
793 bool new_scan_threshold_behaviour;
795 /* EEPROM MAC addresses */
796 struct mac_address addresses[2];
798 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
800 __le16 switch_channel;
805 struct iwl_sensitivity_data sensitivity_data;
806 struct iwl_chain_noise_data chain_noise_data;
807 __le16 sensitivity_tbl[HD_TABLE_SIZE];
808 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
810 struct iwl_ht_config current_ht_config;
812 /* Rate scaling data */
815 int activity_timer_active;
817 /* counts mgmt, ctl, and data packets */
818 struct traffic_stats tx_stats;
819 struct traffic_stats rx_stats;
821 struct iwl_power_mgr power_data;
822 struct iwl_tt_mgmt thermal_throttle;
824 /* station table variables */
826 struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
827 unsigned long ucode_key_table;
828 struct iwl_tid_data tid_data[IWLAGN_STATION_COUNT][IWL_MAX_TID_COUNT];
830 u8 mac80211_registered;
832 /* Indication if ieee80211_ops->open has been called */
835 enum nl80211_iftype iw_mode;
837 /* Last Rx'd beacon timestamp */
842 struct statistics_general_common common;
843 struct statistics_rx_non_phy rx_non_phy;
844 struct statistics_rx_phy rx_ofdm;
845 struct statistics_rx_ht_phy rx_ofdm_ht;
846 struct statistics_rx_phy rx_cck;
847 struct statistics_tx tx;
848 #ifdef CONFIG_IWLWIFI_DEBUGFS
849 struct statistics_bt_activity bt_activity;
850 __le32 num_bt_kills, accum_num_bt_kills;
853 #ifdef CONFIG_IWLWIFI_DEBUGFS
855 struct statistics_general_common common;
856 struct statistics_rx_non_phy rx_non_phy;
857 struct statistics_rx_phy rx_ofdm;
858 struct statistics_rx_ht_phy rx_ofdm_ht;
859 struct statistics_rx_phy rx_cck;
860 struct statistics_tx tx;
861 struct statistics_bt_activity bt_activity;
862 } accum_stats, delta_stats, max_delta_stats;
866 * reporting the number of tids has AGG on. 0 means
871 struct iwl_rx_phy_res last_phy_res;
872 bool last_phy_res_valid;
875 * chain noise reset and gain commands are the
876 * two extra calibration commands follows the standard
877 * phy calibration commands
879 u8 phy_calib_chain_noise_reset_cmd;
880 u8 phy_calib_chain_noise_gain_cmd;
882 /* counts reply_tx error */
883 struct reply_tx_error_statistics reply_tx_stats;
884 struct reply_agg_tx_error_statistics reply_agg_tx_stats;
886 /* remain-on-channel offload support */
887 struct ieee80211_channel *hw_roc_channel;
888 struct delayed_work hw_roc_disable_work;
889 enum nl80211_channel_type hw_roc_chantype;
891 bool hw_roc_setup, hw_roc_start_notified;
896 u8 bt_traffic_load, last_bt_traffic_load;
898 bool bt_full_concurrent;
899 bool bt_ant_couple_ok;
900 __le32 kill_ack_mask;
901 __le32 kill_cts_mask;
905 u16 dynamic_frag_thresh;
907 struct work_struct bt_traffic_change_work;
908 bool bt_enable_pspoll;
909 struct iwl_rxon_context *cur_rssi_ctx;
912 struct work_struct restart;
913 struct work_struct scan_completed;
914 struct work_struct abort_scan;
916 struct work_struct beacon_update;
917 struct iwl_rxon_context *beacon_ctx;
918 struct sk_buff *beacon_skb;
921 struct work_struct tt_work;
922 struct work_struct ct_enter;
923 struct work_struct ct_exit;
924 struct work_struct start_internal_scan;
925 struct work_struct tx_flush;
926 struct work_struct bt_full_concurrency;
927 struct work_struct bt_runtime_config;
929 struct delayed_work scan_check;
932 s8 tx_power_user_lmt;
933 s8 tx_power_device_lmt;
934 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
937 #ifdef CONFIG_IWLWIFI_DEBUGFS
943 struct dentry *debugfs_dir;
944 u32 dbgfs_sram_offset, dbgfs_sram_len;
947 #endif /* CONFIG_IWLWIFI_DEBUGFS */
949 struct work_struct txpower_work;
950 u32 disable_sens_cal;
951 u32 disable_chain_noise_cal;
952 struct work_struct run_time_calib_work;
953 struct timer_list statistics_periodic;
954 struct timer_list ucode_trace;
955 struct timer_list watchdog;
957 struct iwl_event_log event_log;
959 struct led_classdev led;
960 unsigned long blink_on, blink_off;
962 #ifdef CONFIG_IWLWIFI_DEVICE_TESTMODE
963 struct iwl_testmode_trace testmode_trace;
964 struct iwl_testmode_mem testmode_mem;
968 /* WoWLAN GTK rekey data */
969 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
972 bool have_rekey_data;
975 extern struct iwl_mod_params iwlagn_mod_params;
977 static inline struct iwl_rxon_context *
978 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
980 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
982 return vif_priv->ctx;
985 #define for_each_context(priv, ctx) \
986 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
987 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
988 if (priv->shrd->valid_contexts & BIT(ctx->ctxid))
990 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
992 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
995 static inline int iwl_is_associated(struct iwl_priv *priv,
996 enum iwl_rxon_context_id ctxid)
998 return iwl_is_associated_ctx(&priv->contexts[ctxid]);
1001 static inline int iwl_is_any_associated(struct iwl_priv *priv)
1003 struct iwl_rxon_context *ctx;
1004 for_each_context(priv, ctx)
1005 if (iwl_is_associated_ctx(ctx))
1010 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1012 if (ch_info == NULL)
1014 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1017 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1019 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1022 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1024 return ch_info->band == IEEE80211_BAND_5GHZ;
1027 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1029 return ch_info->band == IEEE80211_BAND_2GHZ;
1032 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1034 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1037 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1039 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1042 #endif /* __iwl_dev_h__ */