1 /******************************************************************************
3 * Copyright(c) 2003 - 2011 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 (4965, no beacon statistics being sent to driver)
64 * 2) Scanning (noise measurement does not apply to associated channel)
65 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
66 * Use default noise value of -127 ... this is below the range of measurable
67 * Rx dBm for either 3945 or 4965, 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;
194 * Structure should be accessed with sta_lock held. When station addition
195 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
196 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
199 struct iwl_station_entry {
200 struct iwl_addsta_cmd sta;
202 struct iwl_link_quality_cmd *lq;
206 * iwl_station_priv: Driver's private station information
208 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
209 * in the structure for use by driver. This structure is places in that
212 struct iwl_station_priv {
213 struct iwl_rxon_context *ctx;
214 struct iwl_lq_sta lq_sta;
215 atomic_t pending_frames;
223 * struct iwl_vif_priv - driver's private per-interface information
225 * When mac80211 allocates a virtual interface, it can allocate
226 * space for us to put data into.
228 struct iwl_vif_priv {
229 struct iwl_rxon_context *ctx;
230 u8 ibss_bssid_sta_id;
233 /* one for each uCode image (inst/data, boot/init/runtime) */
235 void *v_addr; /* access by driver */
236 dma_addr_t p_addr; /* access by card's busmaster DMA */
241 struct fw_desc code, data;
244 /* v1/v2 uCode file layout */
245 struct iwl_ucode_header {
246 __le32 ver; /* major/minor/API/serial */
249 __le32 inst_size; /* bytes of runtime code */
250 __le32 data_size; /* bytes of runtime data */
251 __le32 init_size; /* bytes of init code */
252 __le32 init_data_size; /* bytes of init data */
253 __le32 boot_size; /* bytes of bootstrap code */
254 u8 data[0]; /* in same order as sizes */
257 __le32 build; /* build number */
258 __le32 inst_size; /* bytes of runtime code */
259 __le32 data_size; /* bytes of runtime data */
260 __le32 init_size; /* bytes of init code */
261 __le32 init_data_size; /* bytes of init data */
262 __le32 boot_size; /* bytes of bootstrap code */
263 u8 data[0]; /* in same order as sizes */
269 * new TLV uCode file layout
271 * The new TLV file format contains TLVs, that each specify
272 * some piece of data. To facilitate "groups", for example
273 * different instruction image with different capabilities,
274 * bundled with the same init image, an alternative mechanism
276 * When the alternative field is 0, that means that the item
277 * is always valid. When it is non-zero, then it is only
278 * valid in conjunction with items of the same alternative,
279 * in which case the driver (user) selects one alternative
283 enum iwl_ucode_tlv_type {
284 IWL_UCODE_TLV_INVALID = 0, /* unused */
285 IWL_UCODE_TLV_INST = 1,
286 IWL_UCODE_TLV_DATA = 2,
287 IWL_UCODE_TLV_INIT = 3,
288 IWL_UCODE_TLV_INIT_DATA = 4,
289 IWL_UCODE_TLV_BOOT = 5,
290 IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */
291 IWL_UCODE_TLV_PAN = 7,
292 IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8,
293 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9,
294 IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10,
295 IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11,
296 IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12,
297 IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13,
298 IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14,
299 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15,
300 IWL_UCODE_TLV_WOWLAN_INST = 16,
301 IWL_UCODE_TLV_WOWLAN_DATA = 17,
302 IWL_UCODE_TLV_FLAGS = 18,
306 * enum iwl_ucode_tlv_flag - ucode API flags
307 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
308 * was a separate TLV but moved here to save space.
309 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID,
310 * treats good CRC threshold as a boolean
311 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
312 * @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P.
314 enum iwl_ucode_tlv_flag {
315 IWL_UCODE_TLV_FLAGS_PAN = BIT(0),
316 IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1),
317 IWL_UCODE_TLV_FLAGS_MFP = BIT(2),
318 IWL_UCODE_TLV_FLAGS_P2P = BIT(3),
321 struct iwl_ucode_tlv {
322 __le16 type; /* see above */
323 __le16 alternative; /* see comment */
324 __le32 length; /* not including type/length fields */
328 #define IWL_TLV_UCODE_MAGIC 0x0a4c5749
330 struct iwl_tlv_ucode_header {
332 * The TLV style ucode header is distinguished from
333 * the v1/v2 style header by first four bytes being
334 * zero, as such is an invalid combination of
335 * major/minor/API/serial versions.
339 u8 human_readable[64];
340 __le32 ver; /* major/minor/API/serial */
342 __le64 alternatives; /* bitmask of valid alternatives */
344 * The data contained herein has a TLV layout,
345 * see above for the TLV header and types.
346 * Note that each TLV is padded to a length
347 * that is a multiple of 4 for alignment.
352 struct iwl_sensitivity_ranges {
359 u16 auto_corr_min_ofdm;
360 u16 auto_corr_min_ofdm_mrc;
361 u16 auto_corr_min_ofdm_x1;
362 u16 auto_corr_min_ofdm_mrc_x1;
364 u16 auto_corr_max_ofdm;
365 u16 auto_corr_max_ofdm_mrc;
366 u16 auto_corr_max_ofdm_x1;
367 u16 auto_corr_max_ofdm_mrc_x1;
369 u16 auto_corr_max_cck;
370 u16 auto_corr_max_cck_mrc;
371 u16 auto_corr_min_cck;
372 u16 auto_corr_min_cck_mrc;
374 u16 barker_corr_th_min;
375 u16 barker_corr_th_min_mrc;
380 #define KELVIN_TO_CELSIUS(x) ((x)-273)
381 #define CELSIUS_TO_KELVIN(x) ((x)+273)
384 /******************************************************************************
386 * Functions implemented in core module which are forward declared here
387 * for use by iwl-[4-5].c
389 * NOTE: The implementation of these functions are not hardware specific
390 * which is why they are in the core module files.
392 * Naming convention --
393 * iwl_ <-- Is part of iwlwifi
394 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
396 ****************************************************************************/
397 extern void iwl_update_chain_flags(struct iwl_priv *priv);
398 extern const u8 iwl_bcast_addr[ETH_ALEN];
400 #define IWL_OPERATION_MODE_AUTO 0
401 #define IWL_OPERATION_MODE_HT_ONLY 1
402 #define IWL_OPERATION_MODE_MIXED 2
403 #define IWL_OPERATION_MODE_20MHZ 3
405 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
407 /* Sensitivity and chain noise calibration */
408 #define INITIALIZATION_VALUE 0xFFFF
409 #define IWL_CAL_NUM_BEACONS 16
410 #define MAXIMUM_ALLOWED_PATHLOSS 15
412 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
414 #define MAX_FA_OFDM 50
415 #define MIN_FA_OFDM 5
416 #define MAX_FA_CCK 50
419 #define AUTO_CORR_STEP_OFDM 1
421 #define AUTO_CORR_STEP_CCK 3
422 #define AUTO_CORR_MAX_TH_CCK 160
425 #define NRG_STEP_CCK 2
427 #define MAX_NUMBER_CCK_NO_FA 100
429 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
434 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
435 #define ALL_BAND_FILTER 0xFF00
436 #define IN_BAND_FILTER 0xFF
437 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
439 #define NRG_NUM_PREV_STAT_L 20
440 #define NUM_RX_CHAINS 3
442 enum iwlagn_false_alarm_state {
445 IWL_FA_GOOD_RANGE = 2,
448 enum iwlagn_chain_noise_state {
449 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
450 IWL_CHAIN_NOISE_ACCUMULATE,
451 IWL_CHAIN_NOISE_CALIBRATED,
452 IWL_CHAIN_NOISE_DONE,
458 * defines the order in which results of initial calibrations
459 * should be sent to the runtime uCode
466 IWL_CALIB_TX_IQ_PERD,
468 IWL_CALIB_TEMP_OFFSET,
472 /* Opaque calibration results */
473 struct iwl_calib_result {
478 /* Sensitivity calib data */
479 struct iwl_sensitivity_data {
481 u32 auto_corr_ofdm_mrc;
482 u32 auto_corr_ofdm_x1;
483 u32 auto_corr_ofdm_mrc_x1;
485 u32 auto_corr_cck_mrc;
487 u32 last_bad_plcp_cnt_ofdm;
488 u32 last_fa_cnt_ofdm;
489 u32 last_bad_plcp_cnt_cck;
495 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
500 s32 nrg_auto_corr_silence_diff;
501 u32 num_in_cck_no_fa;
504 u16 barker_corr_th_min;
505 u16 barker_corr_th_min_mrc;
509 /* Chain noise (differential Rx gain) calib data */
510 struct iwl_chain_noise_data {
519 u8 disconn_array[NUM_RX_CHAINS];
520 u8 delta_gain_code[NUM_RX_CHAINS];
525 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
526 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
529 MEASUREMENT_READY = (1 << 0),
530 MEASUREMENT_ACTIVE = (1 << 1),
534 NVM_DEVICE_TYPE_EEPROM = 0,
539 * Two types of OTP memory access modes
540 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
541 * based on physical memory addressing
542 * IWL_OTP_ACCESS_RELATIVE - relative address mode,
543 * based on logical memory addressing
545 enum iwl_access_mode {
546 IWL_OTP_ACCESS_ABSOLUTE,
547 IWL_OTP_ACCESS_RELATIVE,
551 * enum iwl_pa_type - Power Amplifier type
552 * @IWL_PA_SYSTEM: based on uCode configuration
553 * @IWL_PA_INTERNAL: use Internal only
560 /* reply_tx_statistics (for _agn devices) */
561 struct reply_tx_error_statistics {
567 u32 int_crossed_retry;
583 u32 sta_color_mismatch;
587 /* reply_agg_tx_statistics (for _agn devices) */
588 struct reply_agg_tx_error_statistics {
595 u32 last_sent_bt_kill;
604 /* management statistics */
605 enum iwl_mgmt_stats {
606 MANAGEMENT_ASSOC_REQ = 0,
607 MANAGEMENT_ASSOC_RESP,
608 MANAGEMENT_REASSOC_REQ,
609 MANAGEMENT_REASSOC_RESP,
610 MANAGEMENT_PROBE_REQ,
611 MANAGEMENT_PROBE_RESP,
620 /* control statistics */
621 enum iwl_ctrl_stats {
622 CONTROL_BACK_REQ = 0,
633 struct traffic_stats {
634 #ifdef CONFIG_IWLWIFI_DEBUGFS
635 u32 mgmt[MANAGEMENT_MAX];
636 u32 ctrl[CONTROL_MAX];
643 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
644 * to perform continuous uCode event logging operation if enabled
646 #define UCODE_TRACE_PERIOD (100)
649 * iwl_event_log: current uCode event log position
651 * @ucode_trace: enable/disable ucode continuous trace timer
652 * @num_wraps: how many times the event buffer wraps
653 * @next_entry: the entry just before the next one that uCode would fill
654 * @non_wraps_count: counter for no wrap detected when dump ucode events
655 * @wraps_once_count: counter for wrap once detected when dump ucode events
656 * @wraps_more_count: counter for wrap more than once detected
657 * when dump ucode events
659 struct iwl_event_log {
664 int wraps_once_count;
665 int wraps_more_count;
669 * This is the threshold value of plcp error rate per 100mSecs. It is
670 * used to set and check for the validity of plcp_delta.
672 #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
673 #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
674 #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
675 #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
676 #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
677 #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
679 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
680 #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
682 /* TX queue watchdog timeouts in mSecs */
683 #define IWL_DEF_WD_TIMEOUT (2000)
684 #define IWL_LONG_WD_TIMEOUT (10000)
685 #define IWL_MAX_WD_TIMEOUT (120000)
687 /* BT Antenna Coupling Threshold (dB) */
688 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
690 /* Firmware reload counter and Timestamp */
691 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
692 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
701 struct iwl_force_reset {
702 int reset_request_count;
703 int reset_success_count;
704 int reset_reject_count;
705 unsigned long reset_duration;
706 unsigned long last_force_reset_jiffies;
709 /* extend beacon time format bit shifting */
712 * bits 31:22 - extended
713 * bits 21:0 - interval
715 #define IWLAGN_EXT_BEACON_TIME_POS 22
718 * struct iwl_notification_wait - notification wait entry
719 * @list: list head for global list
720 * @fn: function called with the notification
723 * This structure is not used directly, to wait for a
724 * notification declare it on the stack, and call
725 * iwlagn_init_notification_wait() with appropriate
726 * parameters. Then do whatever will cause the ucode
727 * to notify the driver, and to wait for that then
728 * call iwlagn_wait_notification().
730 * Each notification is one-shot. If at some point we
731 * need to support multi-shot notifications (which
732 * can't be allocated on the stack) we need to modify
735 struct iwl_notification_wait {
736 struct list_head list;
738 void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt,
743 bool triggered, aborted;
746 struct iwl_rxon_context {
747 struct ieee80211_vif *vif;
750 * We could use the vif to indicate active, but we
751 * also need it to be active during disabling when
752 * we already removed the vif for type setting.
754 bool always_active, is_active;
756 bool ht_need_multiple_chains;
758 enum iwl_rxon_context_id ctxid;
760 u32 interface_modes, exclusive_interface_modes;
761 u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
764 * We declare this const so it can only be
765 * changed via explicit cast within the
766 * routines that actually update the physical
769 const struct iwl_rxon_cmd active;
770 struct iwl_rxon_cmd staging;
772 struct iwl_rxon_time_cmd timing;
774 struct iwl_qos_info qos_data;
776 u8 bcast_sta_id, ap_sta_id;
778 u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
782 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
785 __le32 station_flags;
790 bool non_gf_sta_present;
792 bool enabled, is_40mhz;
793 u8 extension_chan_offset;
799 bool last_tx_rejected;
804 IWL_SCAN_RADIO_RESET,
808 enum iwlagn_ucode_type {
815 #ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
816 struct iwl_testmode_trace {
827 struct iwl_wipan_noa_data {
828 struct rcu_head rcu_head;
835 /*data shared among all the driver's layers */
836 struct iwl_shared _shrd;
837 struct iwl_shared *shrd;
839 /* ieee device used by generic ieee processing code */
840 struct ieee80211_hw *hw;
841 struct ieee80211_channel *ieee_channels;
842 struct ieee80211_rate *ieee_rates;
843 struct kmem_cache *tx_cmd_pool;
846 enum ieee80211_band band;
848 void (*pre_rx_handler)(struct iwl_priv *priv,
849 struct iwl_rx_mem_buffer *rxb);
850 int (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
851 struct iwl_rx_mem_buffer *rxb,
852 struct iwl_device_cmd *cmd);
854 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
856 /* spectrum measurement report caching */
857 struct iwl_spectrum_notification measure_report;
858 u8 measurement_status;
860 /* ucode beacon time */
861 u32 ucode_beacon_time;
862 int missed_beacon_threshold;
864 /* track IBSS manager (last beacon) status */
867 /* jiffies when last recovery from statistics was performed */
868 unsigned long rx_statistics_jiffies;
871 u32 rx_handlers_stats[REPLY_MAX];
874 struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET];
876 /* firmware reload counter and timestamp */
877 unsigned long reload_jiffies;
880 /* we allocate array of iwl_channel_info for NIC's valid channels.
881 * Access via channel # using indirect index array */
882 struct iwl_channel_info *channel_info; /* channel info array */
883 u8 channel_count; /* # of channels */
885 /* thermal calibration */
886 s32 temperature; /* Celsius */
887 s32 last_temperature;
889 /* init calibration results */
890 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
892 struct iwl_wipan_noa_data __rcu *noa_data;
894 /* Scan related variables */
895 unsigned long scan_start;
896 unsigned long scan_start_tsf;
898 enum ieee80211_band scan_band;
899 struct cfg80211_scan_request *scan_request;
900 struct ieee80211_vif *scan_vif;
901 enum iwl_scan_type scan_type;
902 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
905 /* max number of station keys */
908 bool new_scan_threshold_behaviour;
910 /* EEPROM MAC addresses */
911 struct mac_address addresses[2];
913 /* uCode images, save to reload in case of failure */
914 int fw_index; /* firmware we're trying to load */
915 u32 ucode_ver; /* version of ucode, copy of
918 struct fw_img ucode_rt;
919 struct fw_img ucode_init;
920 struct fw_img ucode_wowlan;
922 enum iwlagn_ucode_type ucode_type;
923 u8 ucode_write_complete; /* the image write is complete */
924 char firmware_name[25];
926 struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
928 __le16 switch_channel;
931 u32 error_event_table;
938 struct iwl_sensitivity_data sensitivity_data;
939 struct iwl_chain_noise_data chain_noise_data;
940 bool enhance_sensitivity_table;
941 __le16 sensitivity_tbl[HD_TABLE_SIZE];
942 __le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
944 struct iwl_ht_config current_ht_config;
946 /* Rate scaling data */
949 int activity_timer_active;
951 /* counts mgmt, ctl, and data packets */
952 struct traffic_stats tx_stats;
953 struct traffic_stats rx_stats;
955 struct iwl_power_mgr power_data;
956 struct iwl_tt_mgmt thermal_throttle;
958 /* station table variables */
960 struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
961 unsigned long ucode_key_table;
963 u8 mac80211_registered;
965 /* Indication if ieee80211_ops->open has been called */
968 /* eeprom -- this is in the card's little endian byte order */
971 struct iwl_eeprom_calib_info *calib_info;
973 enum nl80211_iftype iw_mode;
975 /* Last Rx'd beacon timestamp */
980 struct statistics_general_common common;
981 struct statistics_rx_non_phy rx_non_phy;
982 struct statistics_rx_phy rx_ofdm;
983 struct statistics_rx_ht_phy rx_ofdm_ht;
984 struct statistics_rx_phy rx_cck;
985 struct statistics_tx tx;
986 #ifdef CONFIG_IWLWIFI_DEBUGFS
987 struct statistics_bt_activity bt_activity;
988 __le32 num_bt_kills, accum_num_bt_kills;
991 #ifdef CONFIG_IWLWIFI_DEBUGFS
993 struct statistics_general_common common;
994 struct statistics_rx_non_phy rx_non_phy;
995 struct statistics_rx_phy rx_ofdm;
996 struct statistics_rx_ht_phy rx_ofdm_ht;
997 struct statistics_rx_phy rx_cck;
998 struct statistics_tx tx;
999 struct statistics_bt_activity bt_activity;
1000 } accum_stats, delta_stats, max_delta_stats;
1004 * reporting the number of tids has AGG on. 0 means
1009 struct iwl_rx_phy_res last_phy_res;
1010 bool last_phy_res_valid;
1012 struct completion firmware_loading_complete;
1014 u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
1015 u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
1018 * chain noise reset and gain commands are the
1019 * two extra calibration commands follows the standard
1020 * phy calibration commands
1022 u8 phy_calib_chain_noise_reset_cmd;
1023 u8 phy_calib_chain_noise_gain_cmd;
1025 /* counts reply_tx error */
1026 struct reply_tx_error_statistics reply_tx_stats;
1027 struct reply_agg_tx_error_statistics reply_agg_tx_stats;
1028 /* notification wait support */
1029 struct list_head notif_waits;
1030 spinlock_t notif_wait_lock;
1031 wait_queue_head_t notif_waitq;
1033 /* remain-on-channel offload support */
1034 struct ieee80211_channel *hw_roc_channel;
1035 struct delayed_work hw_roc_disable_work;
1036 enum nl80211_channel_type hw_roc_chantype;
1037 int hw_roc_duration;
1038 bool hw_roc_setup, hw_roc_start_notified;
1043 u8 bt_traffic_load, last_bt_traffic_load;
1044 bool bt_ch_announce;
1045 bool bt_full_concurrent;
1046 bool bt_ant_couple_ok;
1047 __le32 kill_ack_mask;
1048 __le32 kill_cts_mask;
1052 u16 dynamic_frag_thresh;
1053 u8 bt_ci_compliance;
1054 struct work_struct bt_traffic_change_work;
1055 bool bt_enable_pspoll;
1056 struct iwl_rxon_context *cur_rssi_ctx;
1059 struct work_struct restart;
1060 struct work_struct scan_completed;
1061 struct work_struct abort_scan;
1063 struct work_struct beacon_update;
1064 struct iwl_rxon_context *beacon_ctx;
1065 struct sk_buff *beacon_skb;
1068 struct work_struct tt_work;
1069 struct work_struct ct_enter;
1070 struct work_struct ct_exit;
1071 struct work_struct start_internal_scan;
1072 struct work_struct tx_flush;
1073 struct work_struct bt_full_concurrency;
1074 struct work_struct bt_runtime_config;
1076 struct delayed_work scan_check;
1079 s8 tx_power_user_lmt;
1080 s8 tx_power_device_lmt;
1081 s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
1084 #ifdef CONFIG_IWLWIFI_DEBUGFS
1090 struct dentry *debugfs_dir;
1091 u32 dbgfs_sram_offset, dbgfs_sram_len;
1094 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1096 struct work_struct txpower_work;
1097 u32 disable_sens_cal;
1098 u32 disable_chain_noise_cal;
1099 struct work_struct run_time_calib_work;
1100 struct timer_list statistics_periodic;
1101 struct timer_list ucode_trace;
1102 struct timer_list watchdog;
1104 struct iwl_event_log event_log;
1106 struct led_classdev led;
1107 unsigned long blink_on, blink_off;
1108 bool led_registered;
1109 #ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
1110 struct iwl_testmode_trace testmode_trace;
1114 /* WoWLAN GTK rekey data */
1115 u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
1117 __le16 last_seq_ctl;
1118 bool have_rekey_data;
1121 extern struct iwl_mod_params iwlagn_mod_params;
1123 static inline struct iwl_rxon_context *
1124 iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
1126 struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
1128 return vif_priv->ctx;
1131 #define for_each_context(priv, ctx) \
1132 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
1133 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
1134 if (priv->shrd->valid_contexts & BIT(ctx->ctxid))
1136 static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
1138 return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1141 static inline int iwl_is_associated(struct iwl_priv *priv,
1142 enum iwl_rxon_context_id ctxid)
1144 return iwl_is_associated_ctx(&priv->contexts[ctxid]);
1147 static inline int iwl_is_any_associated(struct iwl_priv *priv)
1149 struct iwl_rxon_context *ctx;
1150 for_each_context(priv, ctx)
1151 if (iwl_is_associated_ctx(ctx))
1156 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1158 if (ch_info == NULL)
1160 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1163 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1165 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1168 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1170 return ch_info->band == IEEE80211_BAND_5GHZ;
1173 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1175 return ch_info->band == IEEE80211_BAND_2GHZ;
1178 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1180 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1183 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1185 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1188 #endif /* __iwl_dev_h__ */