1 /******************************************************************************
3 * Copyright(c) 2003 - 2009 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.
29 * Please use iwl-4965-hw.h for hardware-related definitions.
35 #include <linux/pci.h> /* for struct pci_device_id */
36 #include <linux/kernel.h>
37 #include <net/ieee80211_radiotap.h>
39 #include "iwl-eeprom.h"
43 #include "iwl-debug.h"
44 #include "iwl-rfkill.h"
45 #include "iwl-4965-hw.h"
46 #include "iwl-3945-hw.h"
47 #include "iwl-3945-led.h"
49 #include "iwl-power.h"
50 #include "iwl-agn-rs.h"
52 /* configuration for the iwl4965 */
53 extern struct iwl_cfg iwl4965_agn_cfg;
54 extern struct iwl_cfg iwl5300_agn_cfg;
55 extern struct iwl_cfg iwl5100_agn_cfg;
56 extern struct iwl_cfg iwl5350_agn_cfg;
57 extern struct iwl_cfg iwl5100_bg_cfg;
58 extern struct iwl_cfg iwl5100_abg_cfg;
59 extern struct iwl_cfg iwl5150_agn_cfg;
60 extern struct iwl_cfg iwl6000_2ag_cfg;
61 extern struct iwl_cfg iwl6000_2agn_cfg;
62 extern struct iwl_cfg iwl6000_3agn_cfg;
63 extern struct iwl_cfg iwl6050_2agn_cfg;
64 extern struct iwl_cfg iwl6050_3agn_cfg;
65 extern struct iwl_cfg iwl100_bgn_cfg;
67 /* shared structures from iwl-5000.c */
68 extern struct iwl_mod_params iwl50_mod_params;
69 extern struct iwl_ops iwl5000_ops;
71 /* CT-KILL constants */
72 #define CT_KILL_THRESHOLD 110 /* in Celsius */
74 /* Default noise level to report when noise measurement is not available.
75 * This may be because we're:
76 * 1) Not associated (4965, no beacon statistics being sent to driver)
77 * 2) Scanning (noise measurement does not apply to associated channel)
78 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
79 * Use default noise value of -127 ... this is below the range of measurable
80 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
81 * Also, -127 works better than 0 when averaging frames with/without
82 * noise info (e.g. averaging might be done in app); measured dBm values are
83 * always negative ... using a negative value as the default keeps all
84 * averages within an s8's (used in some apps) range of negative values. */
85 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
88 * RTS threshold here is total size [2347] minus 4 FCS bytes
90 * a value of 0 means RTS on all data/management packets
91 * a value > max MSDU size means no RTS
92 * else RTS for data/management frames where MPDU is larger
95 #define DEFAULT_RTS_THRESHOLD 2347U
96 #define MIN_RTS_THRESHOLD 0U
97 #define MAX_RTS_THRESHOLD 2347U
98 #define MAX_MSDU_SIZE 2304U
99 #define MAX_MPDU_SIZE 2346U
100 #define DEFAULT_BEACON_INTERVAL 100U
101 #define DEFAULT_SHORT_RETRY_LIMIT 7U
102 #define DEFAULT_LONG_RETRY_LIMIT 4U
104 struct iwl_rx_mem_buffer {
105 dma_addr_t real_dma_addr;
106 dma_addr_t aligned_dma_addr;
108 struct list_head list;
112 * Generic queue structure
114 * Contains common data for Rx and Tx queues
117 int n_bd; /* number of BDs in this queue */
118 int write_ptr; /* 1-st empty entry (index) host_w*/
119 int read_ptr; /* last used entry (index) host_r*/
120 dma_addr_t dma_addr; /* physical addr for BD's */
121 int n_window; /* safe queue window */
123 int low_mark; /* low watermark, resume queue if free
124 * space more than this */
125 int high_mark; /* high watermark, stop queue if free
126 * space less than this */
127 } __attribute__ ((packed));
129 /* One for each TFD */
131 struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
135 * struct iwl_tx_queue - Tx Queue for DMA
136 * @q: generic Rx/Tx queue descriptor
137 * @bd: base of circular buffer of TFDs
138 * @cmd: array of command/Tx buffers
139 * @dma_addr_cmd: physical address of cmd/tx buffer array
140 * @txb: array of per-TFD driver data
141 * @need_update: indicates need to update read/write index
142 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
144 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
145 * descriptors) and required locking structures.
147 #define TFD_TX_CMD_SLOTS 256
148 #define TFD_CMD_SLOTS 32
150 struct iwl_tx_queue {
153 struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
154 struct iwl_tx_info *txb;
161 #define IWL_NUM_SCAN_RATES (2)
163 struct iwl4965_channel_tgd_info {
168 struct iwl4965_channel_tgh_info {
172 #define IWL4965_MAX_RATE (33)
174 struct iwl3945_clip_group {
175 /* maximum power level to prevent clipping for each rate, derived by
176 * us from this band's saturation power in EEPROM */
177 const s8 clip_powers[IWL_MAX_RATES];
180 /* current Tx power values to use, one for each rate for each channel.
181 * requested power is limited by:
182 * -- regulatory EEPROM limits for this channel
183 * -- hardware capabilities (clip-powers)
184 * -- spectrum management
185 * -- user preference (e.g. iwconfig)
186 * when requested power is set, base power index must also be set. */
187 struct iwl3945_channel_power_info {
188 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
189 s8 power_table_index; /* actual (compenst'd) index into gain table */
190 s8 base_power_index; /* gain index for power at factory temp. */
191 s8 requested_power; /* power (dBm) requested for this chnl/rate */
194 /* current scan Tx power values to use, one for each scan rate for each
196 struct iwl3945_scan_power_info {
197 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
198 s8 power_table_index; /* actual (compenst'd) index into gain table */
199 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
203 * One for each channel, holds all channel setup data
204 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
207 struct iwl_channel_info {
208 struct iwl4965_channel_tgd_info tgd;
209 struct iwl4965_channel_tgh_info tgh;
210 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
211 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
214 u8 channel; /* channel number */
215 u8 flags; /* flags copied from EEPROM */
216 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
217 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
218 s8 min_power; /* always 0 */
219 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
221 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
222 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
223 enum ieee80211_band band;
225 /* FAT channel info */
226 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
227 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
228 s8 fat_min_power; /* always 0 */
229 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
230 u8 fat_flags; /* flags copied from EEPROM */
231 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
233 /* Radio/DSP gain settings for each "normal" data Tx rate.
234 * These include, in addition to RF and DSP gain, a few fields for
235 * remembering/modifying gain settings (indexes). */
236 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
238 /* Radio/DSP gain settings for each scan rate, for directed scans. */
239 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
242 #define IWL_TX_FIFO_AC0 0
243 #define IWL_TX_FIFO_AC1 1
244 #define IWL_TX_FIFO_AC2 2
245 #define IWL_TX_FIFO_AC3 3
246 #define IWL_TX_FIFO_HCCA_1 5
247 #define IWL_TX_FIFO_HCCA_2 6
248 #define IWL_TX_FIFO_NONE 7
250 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
251 #define IWL_MIN_NUM_QUEUES 4
253 /* Power management (not Tx power) structures */
260 #define IEEE80211_DATA_LEN 2304
261 #define IEEE80211_4ADDR_LEN 30
262 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
263 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
267 struct ieee80211_hdr frame;
268 struct iwl_tx_beacon_cmd beacon;
269 u8 raw[IEEE80211_FRAME_LEN];
272 struct list_head list;
275 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
276 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
277 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
280 /* CMD_SIZE_NORMAL = 0, */
281 CMD_SIZE_HUGE = (1 << 0),
283 CMD_ASYNC = (1 << 1),
284 /* CMD_NO_SKB = 0, */
285 CMD_WANT_SKB = (1 << 2),
291 struct iwl_cmd_meta {
292 struct iwl_cmd_meta *source;
295 int (*callback)(struct iwl_priv *priv,
296 struct iwl_cmd *cmd, struct sk_buff *skb);
297 } __attribute__ ((packed)) u;
299 /* The CMD_SIZE_HUGE flag bit indicates that the command
300 * structure is stored at the end of the shared queue memory. */
302 DECLARE_PCI_UNMAP_ADDR(mapping)
303 DECLARE_PCI_UNMAP_LEN(len)
304 } __attribute__ ((packed));
306 #define IWL_CMD_MAX_PAYLOAD 320
311 * For allocation of the command and tx queues, this establishes the overall
312 * size of the largest command we send to uCode, except for a scan command
313 * (which is relatively huge; space is allocated separately).
316 struct iwl_cmd_meta meta; /* driver data */
317 struct iwl_cmd_header hdr; /* uCode API */
323 struct iwl_tx_cmd tx;
324 u8 payload[IWL_CMD_MAX_PAYLOAD];
325 } __attribute__ ((packed)) cmd;
326 } __attribute__ ((packed));
329 struct iwl_host_cmd {
332 struct iwl_cmd_meta meta;
336 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
337 sizeof(struct iwl_cmd_meta))
340 * RX related structures and functions
342 #define RX_FREE_BUFFERS 64
343 #define RX_LOW_WATERMARK 8
345 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
346 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
347 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
350 * struct iwl_rx_queue - Rx queue
351 * @read: Shared index to newest available Rx buffer
352 * @write: Shared index to oldest written Rx packet
353 * @free_count: Number of pre-allocated buffers in rx_free
354 * @rx_free: list of free SKBs for use
355 * @rx_used: List of Rx buffers with no SKB
356 * @need_update: flag to indicate we need to update read/write index
358 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
360 struct iwl_rx_queue {
363 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
364 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
368 struct list_head rx_free;
369 struct list_head rx_used;
371 struct iwl_rb_status *rb_stts;
372 dma_addr_t rb_stts_dma;
376 #define IWL_SUPPORTED_RATES_IE_LEN 8
378 #define MAX_TID_COUNT 9
380 #define IWL_INVALID_RATE 0xFF
381 #define IWL_INVALID_VALUE -1
384 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
385 * @txq_id: Tx queue used for Tx attempt
386 * @frame_count: # frames attempted by Tx command
387 * @wait_for_ba: Expect block-ack before next Tx reply
388 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
389 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
390 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
391 * @rate_n_flags: Rate at which Tx was attempted
393 * If REPLY_TX indicates that aggregation was attempted, driver must wait
394 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
395 * until block ack arrives.
404 #define IWL_AGG_OFF 0
406 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
407 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
412 struct iwl_tid_data {
415 struct iwl_ht_agg agg;
419 enum ieee80211_key_alg alg;
425 union iwl_ht_rate_supp {
433 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
434 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
435 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
438 /* self configuration data */
440 u8 supported_chan_width;
443 u8 sgf; /* HT_SHORT_GI_* short guard interval */
447 struct ieee80211_mcs_info mcs;
448 /* BSS related data */
449 u8 extension_chan_offset;
452 u8 non_GF_STA_present;
455 union iwl_qos_capabity {
457 u8 edca_count:4; /* bit 0-3 */
458 u8 q_ack:1; /* bit 4 */
459 u8 queue_request:1; /* bit 5 */
460 u8 txop_request:1; /* bit 6 */
461 u8 reserved:1; /* bit 7 */
464 u8 acvo_APSD:1; /* bit 0 */
465 u8 acvi_APSD:1; /* bit 1 */
466 u8 ac_bk_APSD:1; /* bit 2 */
467 u8 ac_be_APSD:1; /* bit 3 */
468 u8 q_ack:1; /* bit 4 */
469 u8 max_len:2; /* bit 5-6 */
470 u8 more_data_ack:1; /* bit 7 */
476 struct iwl_qos_info {
478 union iwl_qos_capabity qos_cap;
479 struct iwl_qosparam_cmd def_qos_parm;
482 #define STA_PS_STATUS_WAKE 0
483 #define STA_PS_STATUS_SLEEP 1
485 struct iwl3945_tid_data {
489 struct iwl3945_hw_key {
490 enum ieee80211_key_alg alg;
495 struct iwl3945_station_entry {
496 struct iwl3945_addsta_cmd sta;
497 struct iwl3945_tid_data tid[MAX_TID_COUNT];
500 struct iwl3945_hw_key keyinfo;
503 struct iwl_station_entry {
504 struct iwl_addsta_cmd sta;
505 struct iwl_tid_data tid[MAX_TID_COUNT];
508 struct iwl_hw_key keyinfo;
511 /* one for each uCode image (inst/data, boot/init/runtime) */
513 void *v_addr; /* access by driver */
514 dma_addr_t p_addr; /* access by card's busmaster DMA */
518 /* uCode file layout */
520 __le32 ver; /* major/minor/API/serial */
521 __le32 inst_size; /* bytes of runtime instructions */
522 __le32 data_size; /* bytes of runtime data */
523 __le32 init_size; /* bytes of initialization instructions */
524 __le32 init_data_size; /* bytes of initialization data */
525 __le32 boot_size; /* bytes of bootstrap instructions */
526 u8 data[0]; /* data in same order as "size" elements */
529 struct iwl4965_ibss_seq {
533 unsigned long packet_time;
534 struct list_head list;
537 struct iwl_sensitivity_ranges {
544 u16 auto_corr_min_ofdm;
545 u16 auto_corr_min_ofdm_mrc;
546 u16 auto_corr_min_ofdm_x1;
547 u16 auto_corr_min_ofdm_mrc_x1;
549 u16 auto_corr_max_ofdm;
550 u16 auto_corr_max_ofdm_mrc;
551 u16 auto_corr_max_ofdm_x1;
552 u16 auto_corr_max_ofdm_mrc_x1;
554 u16 auto_corr_max_cck;
555 u16 auto_corr_max_cck_mrc;
556 u16 auto_corr_min_cck;
557 u16 auto_corr_min_cck_mrc;
561 #define KELVIN_TO_CELSIUS(x) ((x)-273)
562 #define CELSIUS_TO_KELVIN(x) ((x)+273)
566 * struct iwl_hw_params
567 * @max_txq_num: Max # Tx queues supported
568 * @dma_chnl_num: Number of Tx DMA/FIFO channels
569 * @scd_bc_tbls_size: size of scheduler byte count tables
570 * @tfd_size: TFD size
571 * @tx/rx_chains_num: Number of TX/RX chains
572 * @valid_tx/rx_ant: usable antennas
573 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
574 * @max_rxq_log: Log-base-2 of max_rxq_size
575 * @rx_buf_size: Rx buffer size
576 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
579 * @fat_channel: is 40MHz width possible in band 2.4
580 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
581 * @sw_crypto: 0 for hw, 1 for sw
582 * @max_xxx_size: for ucode uses
583 * @ct_kill_threshold: temperature threshold
584 * @calib_init_cfg: setup initial calibrations for the hw
585 * @struct iwl_sensitivity_ranges: range of sensitivity values
587 struct iwl_hw_params {
590 u16 scd_bc_tbls_size;
608 u32 ct_kill_threshold; /* value in hw-dependent units */
610 const struct iwl_sensitivity_ranges *sens;
614 /******************************************************************************
616 * Functions implemented in core module which are forward declared here
617 * for use by iwl-[4-5].c
619 * NOTE: The implementation of these functions are not hardware specific
620 * which is why they are in the core module files.
622 * Naming convention --
623 * iwl_ <-- Is part of iwlwifi
624 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
625 * iwl4965_bg_ <-- Called from work queue context
626 * iwl4965_mac_ <-- mac80211 callback
628 ****************************************************************************/
629 extern void iwl_update_chain_flags(struct iwl_priv *priv);
630 extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
631 extern const u8 iwl_bcast_addr[ETH_ALEN];
632 extern int iwl_rxq_stop(struct iwl_priv *priv);
633 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
634 extern int iwl_queue_space(const struct iwl_queue *q);
635 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
637 return q->write_ptr > q->read_ptr ?
638 (i >= q->read_ptr && i < q->write_ptr) :
639 !(i < q->read_ptr && i >= q->write_ptr);
643 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
645 /* This is for scan command, the big buffer at end of command array */
647 return q->n_window; /* must be power of 2 */
649 /* Otherwise, use normal size buffers */
650 return index & (q->n_window - 1);
660 #define HT_SHORT_GI_20MHZ (1 << 0)
661 #define HT_SHORT_GI_40MHZ (1 << 1)
663 #define IWL_CHANNEL_WIDTH_20MHZ 0
664 #define IWL_CHANNEL_WIDTH_40MHZ 1
666 #define IWL_OPERATION_MODE_AUTO 0
667 #define IWL_OPERATION_MODE_HT_ONLY 1
668 #define IWL_OPERATION_MODE_MIXED 2
669 #define IWL_OPERATION_MODE_20MHZ 3
671 #define IWL_TX_CRC_SIZE 4
672 #define IWL_TX_DELIMITER_SIZE 4
674 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
676 /* Sensitivity and chain noise calibration */
677 #define INITIALIZATION_VALUE 0xFFFF
678 #define CAL_NUM_OF_BEACONS 20
679 #define MAXIMUM_ALLOWED_PATHLOSS 15
681 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
683 #define MAX_FA_OFDM 50
684 #define MIN_FA_OFDM 5
685 #define MAX_FA_CCK 50
688 #define AUTO_CORR_STEP_OFDM 1
690 #define AUTO_CORR_STEP_CCK 3
691 #define AUTO_CORR_MAX_TH_CCK 160
694 #define NRG_STEP_CCK 2
696 #define MAX_NUMBER_CCK_NO_FA 100
698 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
703 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
704 #define ALL_BAND_FILTER 0xFF00
705 #define IN_BAND_FILTER 0xFF
706 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
708 #define NRG_NUM_PREV_STAT_L 20
709 #define NUM_RX_CHAINS 3
711 enum iwl4965_false_alarm_state {
714 IWL_FA_GOOD_RANGE = 2,
717 enum iwl4965_chain_noise_state {
718 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
719 IWL_CHAIN_NOISE_ACCUMULATE,
720 IWL_CHAIN_NOISE_CALIBRATED,
721 IWL_CHAIN_NOISE_DONE,
724 enum iwl4965_calib_enabled_state {
725 IWL_CALIB_DISABLED = 0, /* must be 0 */
726 IWL_CALIB_ENABLED = 1,
732 * defines the order in which results of initial calibrations
733 * should be sent to the runtime uCode
740 IWL_CALIB_TX_IQ_PERD,
745 /* Opaque calibration results */
746 struct iwl_calib_result {
757 /* Sensitivity calib data */
758 struct iwl_sensitivity_data {
760 u32 auto_corr_ofdm_mrc;
761 u32 auto_corr_ofdm_x1;
762 u32 auto_corr_ofdm_mrc_x1;
764 u32 auto_corr_cck_mrc;
766 u32 last_bad_plcp_cnt_ofdm;
767 u32 last_fa_cnt_ofdm;
768 u32 last_bad_plcp_cnt_cck;
774 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
779 s32 nrg_auto_corr_silence_diff;
780 u32 num_in_cck_no_fa;
784 /* Chain noise (differential Rx gain) calib data */
785 struct iwl_chain_noise_data {
794 u8 disconn_array[NUM_RX_CHAINS];
795 u8 delta_gain_code[NUM_RX_CHAINS];
800 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
801 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
805 MEASUREMENT_READY = (1 << 0),
806 MEASUREMENT_ACTIVE = (1 << 1),
810 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
814 /* ieee device used by generic ieee processing code */
815 struct ieee80211_hw *hw;
816 struct ieee80211_channel *ieee_channels;
817 struct ieee80211_rate *ieee_rates;
820 /* temporary frame storage list */
821 struct list_head free_frames;
824 enum ieee80211_band band;
827 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
828 struct iwl_rx_mem_buffer *rxb);
830 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
832 #if defined(CONFIG_IWLAGN_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
833 /* spectrum measurement report caching */
834 struct iwl_spectrum_notification measure_report;
835 u8 measurement_status;
837 /* ucode beacon time */
838 u32 ucode_beacon_time;
840 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
841 * Access via channel # using indirect index array */
842 struct iwl_channel_info *channel_info; /* channel info array */
843 u8 channel_count; /* # of channels */
845 /* each calibration channel group in the EEPROM has a derived
846 * clip setting for each rate. 3945 only.*/
847 const struct iwl3945_clip_group clip39_groups[5];
849 /* thermal calibration */
850 s32 temperature; /* degrees Kelvin */
851 s32 last_temperature;
853 /* init calibration results */
854 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
856 /* Scan related variables */
857 unsigned long last_scan_jiffies;
858 unsigned long next_scan_jiffies;
859 unsigned long scan_start;
860 unsigned long scan_pass_start;
861 unsigned long scan_start_tsf;
866 u8 direct_ssid[IW_ESSID_MAX_SIZE];
867 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
871 spinlock_t lock; /* protect general shared data */
872 spinlock_t hcmd_lock; /* protect hcmd */
875 /* basic pci-network driver stuff */
876 struct pci_dev *pci_dev;
878 /* pci hardware address support */
879 void __iomem *hw_base;
884 /* uCode images, save to reload in case of failure */
885 u32 ucode_ver; /* version of ucode, copy of
887 struct fw_desc ucode_code; /* runtime inst */
888 struct fw_desc ucode_data; /* runtime data original */
889 struct fw_desc ucode_data_backup; /* runtime data save/restore */
890 struct fw_desc ucode_init; /* initialization inst */
891 struct fw_desc ucode_init_data; /* initialization data */
892 struct fw_desc ucode_boot; /* bootstrap inst */
893 enum ucode_type ucode_type;
894 u8 ucode_write_complete; /* the image write is complete */
897 struct iwl_rxon_time_cmd rxon_timing;
899 /* We declare this const so it can only be
900 * changed via explicit cast within the
901 * routines that actually update the physical
903 const struct iwl_rxon_cmd active_rxon;
904 struct iwl_rxon_cmd staging_rxon;
906 int error_recovering;
907 struct iwl_rxon_cmd recovery_rxon;
909 /* 1st responses from initialize and runtime uCode images.
910 * 4965's initialize alive response contains some calibration data. */
911 struct iwl_init_alive_resp card_alive_init;
912 struct iwl_alive_resp card_alive;
913 #if defined(CONFIG_IWLWIFI_RFKILL) || defined(CONFIG_IWL3945_RFKILL)
914 struct rfkill *rfkill;
917 #if defined(CONFIG_IWLWIFI_LEDS) || defined(CONFIG_IWL3945_LEDS)
918 unsigned long last_blink_time;
924 #ifdef CONFIG_IWLWIFI_LEDS
925 struct iwl_led led[IWL_LED_TRG_MAX];
928 #ifdef CONFIG_IWL3945_LEDS
929 struct iwl3945_led led39[IWL_LED_TRG_MAX];
930 unsigned int rxtxpackets;
933 u16 active_rate_basic;
935 u8 assoc_station_added;
937 struct iwl_sensitivity_data sensitivity_data;
938 struct iwl_chain_noise_data chain_noise_data;
939 __le16 sensitivity_tbl[HD_TABLE_SIZE];
941 struct iwl_ht_info current_ht_config;
942 u8 last_phy_res[100];
944 /* Rate scaling data */
948 wait_queue_head_t wait_command_queue;
950 int activity_timer_active;
952 /* Rx and Tx DMA processing queues */
953 struct iwl_rx_queue rxq;
954 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
955 unsigned long txq_ctx_active_msk;
956 struct iwl_dma_ptr kw; /* keep warm address */
957 struct iwl_dma_ptr scd_bc_tbls;
959 u32 scd_base_addr; /* scheduler sram base address */
961 unsigned long status;
963 int last_rx_rssi; /* From Rx packet statistics */
964 int last_rx_noise; /* From beacon statistics */
966 /* counts mgmt, ctl, and data packets */
967 struct traffic_stats {
970 } tx_stats[3], rx_stats[3];
972 struct iwl_power_mgr power_data;
974 struct iwl_notif_statistics statistics;
975 unsigned long last_statistics_time;
977 /* context information */
983 u8 mac_addr[ETH_ALEN];
985 /*station table variables */
988 struct iwl_station_entry stations[IWL_STATION_COUNT];
989 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
992 unsigned long ucode_key_table;
994 /* Indication if ieee80211_ops->open has been called */
997 u8 mac80211_registered;
999 /* Rx'd packet timing information */
1000 u32 last_beacon_time;
1005 struct iwl_eeprom_calib_info *calib_info;
1007 enum nl80211_iftype iw_mode;
1009 struct sk_buff *ibss_beacon;
1011 /* Last Rx'd beacon timestamp */
1014 struct ieee80211_vif *vif;
1018 dma_addr_t shared_phys;
1020 struct iwl_hw_params hw_params;
1023 /* Current association information needed to configure the
1026 u16 assoc_capability;
1028 struct iwl_qos_info qos_data;
1030 struct workqueue_struct *workqueue;
1032 struct work_struct up;
1033 struct work_struct restart;
1034 struct work_struct calibrated_work;
1035 struct work_struct scan_completed;
1036 struct work_struct rx_replenish;
1037 struct work_struct rf_kill;
1038 struct work_struct abort_scan;
1039 struct work_struct update_link_led;
1040 struct work_struct auth_work;
1041 struct work_struct report_work;
1042 struct work_struct request_scan;
1043 struct work_struct beacon_update;
1045 struct tasklet_struct irq_tasklet;
1047 struct delayed_work set_power_save;
1048 struct delayed_work init_alive_start;
1049 struct delayed_work alive_start;
1050 struct delayed_work scan_check;
1053 struct delayed_work thermal_periodic;
1054 struct delayed_work rfkill_poll;
1057 s8 tx_power_user_lmt;
1058 s8 tx_power_channel_lmt;
1061 #ifdef CONFIG_IWLWIFI_DEBUG
1062 /* debugging info */
1065 atomic_t restrict_refcnt;
1066 #ifdef CONFIG_IWLWIFI_DEBUGFS
1068 struct iwl_debugfs *dbgfs;
1069 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1070 #endif /* CONFIG_IWLWIFI_DEBUG */
1072 struct work_struct txpower_work;
1073 u32 disable_sens_cal;
1074 u32 disable_chain_noise_cal;
1075 u32 disable_tx_power_cal;
1076 struct work_struct run_time_calib_work;
1077 struct timer_list statistics_periodic;
1080 #define IWL_DEFAULT_TX_POWER 0x0F
1082 struct iwl3945_notif_statistics statistics_39;
1084 struct iwl3945_station_entry stations_39[IWL_STATION_COUNT];
1089 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1091 set_bit(txq_id, &priv->txq_ctx_active_msk);
1094 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1096 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1099 #ifdef CONFIG_IWLWIFI_DEBUG
1100 const char *iwl_get_tx_fail_reason(u32 status);
1102 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1106 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1107 int txq_id, int idx)
1109 if (priv->txq[txq_id].txb[idx].skb[0])
1110 return (struct ieee80211_hdr *)priv->txq[txq_id].
1111 txb[idx].skb[0]->data;
1116 static inline int iwl_is_associated(struct iwl_priv *priv)
1118 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1121 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1123 if (ch_info == NULL)
1125 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1128 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1130 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1133 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1135 return ch_info->band == IEEE80211_BAND_5GHZ;
1138 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1140 return ch_info->band == IEEE80211_BAND_2GHZ;
1143 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1145 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1148 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1150 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1153 #endif /* __iwl_dev_h__ */