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-4965-hw.h"
45 #include "iwl-3945-hw.h"
46 #include "iwl-3945-led.h"
48 #include "iwl-power.h"
49 #include "iwl-agn-rs.h"
51 /* configuration for the iwl4965 */
52 extern struct iwl_cfg iwl4965_agn_cfg;
53 extern struct iwl_cfg iwl5300_agn_cfg;
54 extern struct iwl_cfg iwl5100_agn_cfg;
55 extern struct iwl_cfg iwl5350_agn_cfg;
56 extern struct iwl_cfg iwl5100_bg_cfg;
57 extern struct iwl_cfg iwl5100_abg_cfg;
58 extern struct iwl_cfg iwl5150_agn_cfg;
59 extern struct iwl_cfg iwl6000_2ag_cfg;
60 extern struct iwl_cfg iwl6000_2agn_cfg;
61 extern struct iwl_cfg iwl6000_3agn_cfg;
62 extern struct iwl_cfg iwl6050_2agn_cfg;
63 extern struct iwl_cfg iwl6050_3agn_cfg;
64 extern struct iwl_cfg iwl1000_bgn_cfg;
66 /* shared structures from iwl-5000.c */
67 extern struct iwl_mod_params iwl50_mod_params;
68 extern struct iwl_ops iwl5000_ops;
69 extern struct iwl_lib_ops iwl5000_lib;
70 extern struct iwl_hcmd_ops iwl5000_hcmd;
71 extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils;
73 /* shared functions from iwl-5000.c */
74 extern u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len);
75 extern u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd,
77 extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
79 extern int iwl5000_calc_rssi(struct iwl_priv *priv,
80 struct iwl_rx_phy_res *rx_resp);
82 /* CT-KILL constants */
83 #define CT_KILL_THRESHOLD 110 /* in Celsius */
85 /* Default noise level to report when noise measurement is not available.
86 * This may be because we're:
87 * 1) Not associated (4965, no beacon statistics being sent to driver)
88 * 2) Scanning (noise measurement does not apply to associated channel)
89 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
90 * Use default noise value of -127 ... this is below the range of measurable
91 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
92 * Also, -127 works better than 0 when averaging frames with/without
93 * noise info (e.g. averaging might be done in app); measured dBm values are
94 * always negative ... using a negative value as the default keeps all
95 * averages within an s8's (used in some apps) range of negative values. */
96 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
99 * RTS threshold here is total size [2347] minus 4 FCS bytes
101 * a value of 0 means RTS on all data/management packets
102 * a value > max MSDU size means no RTS
103 * else RTS for data/management frames where MPDU is larger
106 #define DEFAULT_RTS_THRESHOLD 2347U
107 #define MIN_RTS_THRESHOLD 0U
108 #define MAX_RTS_THRESHOLD 2347U
109 #define MAX_MSDU_SIZE 2304U
110 #define MAX_MPDU_SIZE 2346U
111 #define DEFAULT_BEACON_INTERVAL 100U
112 #define DEFAULT_SHORT_RETRY_LIMIT 7U
113 #define DEFAULT_LONG_RETRY_LIMIT 4U
115 struct iwl_rx_mem_buffer {
116 dma_addr_t real_dma_addr;
117 dma_addr_t aligned_dma_addr;
119 struct list_head list;
123 * Generic queue structure
125 * Contains common data for Rx and Tx queues
128 int n_bd; /* number of BDs in this queue */
129 int write_ptr; /* 1-st empty entry (index) host_w*/
130 int read_ptr; /* last used entry (index) host_r*/
131 dma_addr_t dma_addr; /* physical addr for BD's */
132 int n_window; /* safe queue window */
134 int low_mark; /* low watermark, resume queue if free
135 * space more than this */
136 int high_mark; /* high watermark, stop queue if free
137 * space less than this */
138 } __attribute__ ((packed));
140 /* One for each TFD */
142 struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
146 * struct iwl_tx_queue - Tx Queue for DMA
147 * @q: generic Rx/Tx queue descriptor
148 * @bd: base of circular buffer of TFDs
149 * @cmd: array of command/Tx buffers
150 * @dma_addr_cmd: physical address of cmd/tx buffer array
151 * @txb: array of per-TFD driver data
152 * @need_update: indicates need to update read/write index
153 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
155 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
156 * descriptors) and required locking structures.
158 #define TFD_TX_CMD_SLOTS 256
159 #define TFD_CMD_SLOTS 32
161 struct iwl_tx_queue {
164 struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
165 struct iwl_tx_info *txb;
172 #define IWL_NUM_SCAN_RATES (2)
174 struct iwl4965_channel_tgd_info {
179 struct iwl4965_channel_tgh_info {
183 #define IWL4965_MAX_RATE (33)
185 struct iwl3945_clip_group {
186 /* maximum power level to prevent clipping for each rate, derived by
187 * us from this band's saturation power in EEPROM */
188 const s8 clip_powers[IWL_MAX_RATES];
191 /* current Tx power values to use, one for each rate for each channel.
192 * requested power is limited by:
193 * -- regulatory EEPROM limits for this channel
194 * -- hardware capabilities (clip-powers)
195 * -- spectrum management
196 * -- user preference (e.g. iwconfig)
197 * when requested power is set, base power index must also be set. */
198 struct iwl3945_channel_power_info {
199 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
200 s8 power_table_index; /* actual (compenst'd) index into gain table */
201 s8 base_power_index; /* gain index for power at factory temp. */
202 s8 requested_power; /* power (dBm) requested for this chnl/rate */
205 /* current scan Tx power values to use, one for each scan rate for each
207 struct iwl3945_scan_power_info {
208 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
209 s8 power_table_index; /* actual (compenst'd) index into gain table */
210 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
214 * One for each channel, holds all channel setup data
215 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
218 struct iwl_channel_info {
219 struct iwl4965_channel_tgd_info tgd;
220 struct iwl4965_channel_tgh_info tgh;
221 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
222 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
225 u8 channel; /* channel number */
226 u8 flags; /* flags copied from EEPROM */
227 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
228 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
229 s8 min_power; /* always 0 */
230 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
232 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
233 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
234 enum ieee80211_band band;
236 /* FAT channel info */
237 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
238 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
239 s8 fat_min_power; /* always 0 */
240 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
241 u8 fat_flags; /* flags copied from EEPROM */
242 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
244 /* Radio/DSP gain settings for each "normal" data Tx rate.
245 * These include, in addition to RF and DSP gain, a few fields for
246 * remembering/modifying gain settings (indexes). */
247 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
249 /* Radio/DSP gain settings for each scan rate, for directed scans. */
250 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
253 #define IWL_TX_FIFO_AC0 0
254 #define IWL_TX_FIFO_AC1 1
255 #define IWL_TX_FIFO_AC2 2
256 #define IWL_TX_FIFO_AC3 3
257 #define IWL_TX_FIFO_HCCA_1 5
258 #define IWL_TX_FIFO_HCCA_2 6
259 #define IWL_TX_FIFO_NONE 7
261 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
262 #define IWL_MIN_NUM_QUEUES 4
264 /* Power management (not Tx power) structures */
271 #define IEEE80211_DATA_LEN 2304
272 #define IEEE80211_4ADDR_LEN 30
273 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
274 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
278 struct ieee80211_hdr frame;
279 struct iwl_tx_beacon_cmd beacon;
280 u8 raw[IEEE80211_FRAME_LEN];
283 struct list_head list;
286 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
287 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
288 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
294 CMD_SIZE_HUGE = (1 << 0),
295 CMD_ASYNC = (1 << 1),
296 CMD_WANT_SKB = (1 << 2),
302 struct iwl_cmd_meta {
303 struct iwl_cmd_meta *source;
306 int (*callback)(struct iwl_priv *priv,
307 struct iwl_cmd *cmd, struct sk_buff *skb);
308 } __attribute__ ((packed)) u;
310 /* The CMD_SIZE_HUGE flag bit indicates that the command
311 * structure is stored at the end of the shared queue memory. */
313 DECLARE_PCI_UNMAP_ADDR(mapping)
314 DECLARE_PCI_UNMAP_LEN(len)
315 } __attribute__ ((packed));
317 #define IWL_CMD_MAX_PAYLOAD 320
322 * For allocation of the command and tx queues, this establishes the overall
323 * size of the largest command we send to uCode, except for a scan command
324 * (which is relatively huge; space is allocated separately).
327 struct iwl_cmd_meta meta; /* driver data */
328 struct iwl_cmd_header hdr; /* uCode API */
334 struct iwl_tx_cmd tx;
335 u8 payload[IWL_CMD_MAX_PAYLOAD];
336 } __attribute__ ((packed)) cmd;
337 } __attribute__ ((packed));
340 struct iwl_host_cmd {
343 struct iwl_cmd_meta meta;
347 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
348 sizeof(struct iwl_cmd_meta))
351 * RX related structures and functions
353 #define RX_FREE_BUFFERS 64
354 #define RX_LOW_WATERMARK 8
356 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
357 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
358 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
361 * struct iwl_rx_queue - Rx queue
362 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
363 * @dma_addr: bus address of buffer of receive buffer descriptors (rbd)
364 * @read: Shared index to newest available Rx buffer
365 * @write: Shared index to oldest written Rx packet
366 * @free_count: Number of pre-allocated buffers in rx_free
367 * @rx_free: list of free SKBs for use
368 * @rx_used: List of Rx buffers with no SKB
369 * @need_update: flag to indicate we need to update read/write index
370 * @rb_stts: driver's pointer to receive buffer status
371 * @rb_stts_dma: bus address of receive buffer status
373 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
375 struct iwl_rx_queue {
378 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
379 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
384 struct list_head rx_free;
385 struct list_head rx_used;
387 struct iwl_rb_status *rb_stts;
388 dma_addr_t rb_stts_dma;
392 #define IWL_SUPPORTED_RATES_IE_LEN 8
394 #define MAX_TID_COUNT 9
396 #define IWL_INVALID_RATE 0xFF
397 #define IWL_INVALID_VALUE -1
400 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
401 * @txq_id: Tx queue used for Tx attempt
402 * @frame_count: # frames attempted by Tx command
403 * @wait_for_ba: Expect block-ack before next Tx reply
404 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
405 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
406 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
407 * @rate_n_flags: Rate at which Tx was attempted
409 * If REPLY_TX indicates that aggregation was attempted, driver must wait
410 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
411 * until block ack arrives.
420 #define IWL_AGG_OFF 0
422 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
423 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
428 struct iwl_tid_data {
431 struct iwl_ht_agg agg;
435 enum ieee80211_key_alg alg;
441 union iwl_ht_rate_supp {
449 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
450 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
451 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
454 /* self configuration data */
456 u8 supported_chan_width;
459 u8 sgf; /* HT_SHORT_GI_* short guard interval */
463 struct ieee80211_mcs_info mcs;
464 /* BSS related data */
465 u8 extension_chan_offset;
468 u8 non_GF_STA_present;
471 union iwl_qos_capabity {
473 u8 edca_count:4; /* bit 0-3 */
474 u8 q_ack:1; /* bit 4 */
475 u8 queue_request:1; /* bit 5 */
476 u8 txop_request:1; /* bit 6 */
477 u8 reserved:1; /* bit 7 */
480 u8 acvo_APSD:1; /* bit 0 */
481 u8 acvi_APSD:1; /* bit 1 */
482 u8 ac_bk_APSD:1; /* bit 2 */
483 u8 ac_be_APSD:1; /* bit 3 */
484 u8 q_ack:1; /* bit 4 */
485 u8 max_len:2; /* bit 5-6 */
486 u8 more_data_ack:1; /* bit 7 */
492 struct iwl_qos_info {
494 union iwl_qos_capabity qos_cap;
495 struct iwl_qosparam_cmd def_qos_parm;
498 #define STA_PS_STATUS_WAKE 0
499 #define STA_PS_STATUS_SLEEP 1
502 struct iwl3945_station_entry {
503 struct iwl3945_addsta_cmd sta;
504 struct iwl_tid_data tid[MAX_TID_COUNT];
507 struct iwl_hw_key keyinfo;
510 struct iwl_station_entry {
511 struct iwl_addsta_cmd sta;
512 struct iwl_tid_data tid[MAX_TID_COUNT];
515 struct iwl_hw_key keyinfo;
518 /* one for each uCode image (inst/data, boot/init/runtime) */
520 void *v_addr; /* access by driver */
521 dma_addr_t p_addr; /* access by card's busmaster DMA */
525 /* uCode file layout */
527 __le32 ver; /* major/minor/API/serial */
528 __le32 inst_size; /* bytes of runtime instructions */
529 __le32 data_size; /* bytes of runtime data */
530 __le32 init_size; /* bytes of initialization instructions */
531 __le32 init_data_size; /* bytes of initialization data */
532 __le32 boot_size; /* bytes of bootstrap instructions */
533 u8 data[0]; /* data in same order as "size" elements */
536 struct iwl4965_ibss_seq {
540 unsigned long packet_time;
541 struct list_head list;
544 struct iwl_sensitivity_ranges {
551 u16 auto_corr_min_ofdm;
552 u16 auto_corr_min_ofdm_mrc;
553 u16 auto_corr_min_ofdm_x1;
554 u16 auto_corr_min_ofdm_mrc_x1;
556 u16 auto_corr_max_ofdm;
557 u16 auto_corr_max_ofdm_mrc;
558 u16 auto_corr_max_ofdm_x1;
559 u16 auto_corr_max_ofdm_mrc_x1;
561 u16 auto_corr_max_cck;
562 u16 auto_corr_max_cck_mrc;
563 u16 auto_corr_min_cck;
564 u16 auto_corr_min_cck_mrc;
568 #define KELVIN_TO_CELSIUS(x) ((x)-273)
569 #define CELSIUS_TO_KELVIN(x) ((x)+273)
573 * struct iwl_hw_params
574 * @max_txq_num: Max # Tx queues supported
575 * @dma_chnl_num: Number of Tx DMA/FIFO channels
576 * @scd_bc_tbls_size: size of scheduler byte count tables
577 * @tfd_size: TFD size
578 * @tx/rx_chains_num: Number of TX/RX chains
579 * @valid_tx/rx_ant: usable antennas
580 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
581 * @max_rxq_log: Log-base-2 of max_rxq_size
582 * @rx_buf_size: Rx buffer size
583 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
586 * @fat_channel: is 40MHz width possible in band 2.4
587 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
588 * @sw_crypto: 0 for hw, 1 for sw
589 * @max_xxx_size: for ucode uses
590 * @ct_kill_threshold: temperature threshold
591 * @calib_init_cfg: setup initial calibrations for the hw
592 * @struct iwl_sensitivity_ranges: range of sensitivity values
594 struct iwl_hw_params {
597 u16 scd_bc_tbls_size;
615 u32 ct_kill_threshold; /* value in hw-dependent units */
617 const struct iwl_sensitivity_ranges *sens;
621 /******************************************************************************
623 * Functions implemented in core module which are forward declared here
624 * for use by iwl-[4-5].c
626 * NOTE: The implementation of these functions are not hardware specific
627 * which is why they are in the core module files.
629 * Naming convention --
630 * iwl_ <-- Is part of iwlwifi
631 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
632 * iwl4965_bg_ <-- Called from work queue context
633 * iwl4965_mac_ <-- mac80211 callback
635 ****************************************************************************/
636 extern void iwl_update_chain_flags(struct iwl_priv *priv);
637 extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
638 extern const u8 iwl_bcast_addr[ETH_ALEN];
639 extern int iwl_rxq_stop(struct iwl_priv *priv);
640 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
641 extern int iwl_queue_space(const struct iwl_queue *q);
642 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
644 return q->write_ptr > q->read_ptr ?
645 (i >= q->read_ptr && i < q->write_ptr) :
646 !(i < q->read_ptr && i >= q->write_ptr);
650 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
652 /* This is for scan command, the big buffer at end of command array */
654 return q->n_window; /* must be power of 2 */
656 /* Otherwise, use normal size buffers */
657 return index & (q->n_window - 1);
667 #define HT_SHORT_GI_20MHZ (1 << 0)
668 #define HT_SHORT_GI_40MHZ (1 << 1)
670 #define IWL_CHANNEL_WIDTH_20MHZ 0
671 #define IWL_CHANNEL_WIDTH_40MHZ 1
673 #define IWL_OPERATION_MODE_AUTO 0
674 #define IWL_OPERATION_MODE_HT_ONLY 1
675 #define IWL_OPERATION_MODE_MIXED 2
676 #define IWL_OPERATION_MODE_20MHZ 3
678 #define IWL_TX_CRC_SIZE 4
679 #define IWL_TX_DELIMITER_SIZE 4
681 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
683 /* Sensitivity and chain noise calibration */
684 #define INITIALIZATION_VALUE 0xFFFF
685 #define CAL_NUM_OF_BEACONS 20
686 #define MAXIMUM_ALLOWED_PATHLOSS 15
688 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
690 #define MAX_FA_OFDM 50
691 #define MIN_FA_OFDM 5
692 #define MAX_FA_CCK 50
695 #define AUTO_CORR_STEP_OFDM 1
697 #define AUTO_CORR_STEP_CCK 3
698 #define AUTO_CORR_MAX_TH_CCK 160
701 #define NRG_STEP_CCK 2
703 #define MAX_NUMBER_CCK_NO_FA 100
705 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
710 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
711 #define ALL_BAND_FILTER 0xFF00
712 #define IN_BAND_FILTER 0xFF
713 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
715 #define NRG_NUM_PREV_STAT_L 20
716 #define NUM_RX_CHAINS 3
718 enum iwl4965_false_alarm_state {
721 IWL_FA_GOOD_RANGE = 2,
724 enum iwl4965_chain_noise_state {
725 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
726 IWL_CHAIN_NOISE_ACCUMULATE,
727 IWL_CHAIN_NOISE_CALIBRATED,
728 IWL_CHAIN_NOISE_DONE,
731 enum iwl4965_calib_enabled_state {
732 IWL_CALIB_DISABLED = 0, /* must be 0 */
733 IWL_CALIB_ENABLED = 1,
739 * defines the order in which results of initial calibrations
740 * should be sent to the runtime uCode
747 IWL_CALIB_TX_IQ_PERD,
752 /* Opaque calibration results */
753 struct iwl_calib_result {
764 /* Sensitivity calib data */
765 struct iwl_sensitivity_data {
767 u32 auto_corr_ofdm_mrc;
768 u32 auto_corr_ofdm_x1;
769 u32 auto_corr_ofdm_mrc_x1;
771 u32 auto_corr_cck_mrc;
773 u32 last_bad_plcp_cnt_ofdm;
774 u32 last_fa_cnt_ofdm;
775 u32 last_bad_plcp_cnt_cck;
781 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
786 s32 nrg_auto_corr_silence_diff;
787 u32 num_in_cck_no_fa;
791 /* Chain noise (differential Rx gain) calib data */
792 struct iwl_chain_noise_data {
801 u8 disconn_array[NUM_RX_CHAINS];
802 u8 delta_gain_code[NUM_RX_CHAINS];
807 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
808 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
812 MEASUREMENT_READY = (1 << 0),
813 MEASUREMENT_ACTIVE = (1 << 1),
817 NVM_DEVICE_TYPE_EEPROM = 0,
821 /* interrupt statistics */
822 struct isr_statistics {
832 u32 rx_handlers[REPLY_MAX];
837 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
841 /* ieee device used by generic ieee processing code */
842 struct ieee80211_hw *hw;
843 struct ieee80211_channel *ieee_channels;
844 struct ieee80211_rate *ieee_rates;
847 /* temporary frame storage list */
848 struct list_head free_frames;
851 enum ieee80211_band band;
854 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
855 struct iwl_rx_mem_buffer *rxb);
857 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
859 #if defined(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
860 /* spectrum measurement report caching */
861 struct iwl_spectrum_notification measure_report;
862 u8 measurement_status;
864 /* ucode beacon time */
865 u32 ucode_beacon_time;
867 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
868 * Access via channel # using indirect index array */
869 struct iwl_channel_info *channel_info; /* channel info array */
870 u8 channel_count; /* # of channels */
872 /* each calibration channel group in the EEPROM has a derived
873 * clip setting for each rate. 3945 only.*/
874 const struct iwl3945_clip_group clip39_groups[5];
876 /* thermal calibration */
877 s32 temperature; /* degrees Kelvin */
878 s32 last_temperature;
880 /* init calibration results */
881 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
883 /* Scan related variables */
884 unsigned long last_scan_jiffies;
885 unsigned long next_scan_jiffies;
886 unsigned long scan_start;
887 unsigned long scan_pass_start;
888 unsigned long scan_start_tsf;
891 struct cfg80211_scan_request *scan_request;
892 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
896 spinlock_t lock; /* protect general shared data */
897 spinlock_t hcmd_lock; /* protect hcmd */
898 spinlock_t reg_lock; /* protect hw register access */
901 /* basic pci-network driver stuff */
902 struct pci_dev *pci_dev;
904 /* pci hardware address support */
905 void __iomem *hw_base;
910 /* uCode images, save to reload in case of failure */
911 u32 ucode_ver; /* version of ucode, copy of
913 struct fw_desc ucode_code; /* runtime inst */
914 struct fw_desc ucode_data; /* runtime data original */
915 struct fw_desc ucode_data_backup; /* runtime data save/restore */
916 struct fw_desc ucode_init; /* initialization inst */
917 struct fw_desc ucode_init_data; /* initialization data */
918 struct fw_desc ucode_boot; /* bootstrap inst */
919 enum ucode_type ucode_type;
920 u8 ucode_write_complete; /* the image write is complete */
923 struct iwl_rxon_time_cmd rxon_timing;
925 /* We declare this const so it can only be
926 * changed via explicit cast within the
927 * routines that actually update the physical
929 const struct iwl_rxon_cmd active_rxon;
930 struct iwl_rxon_cmd staging_rxon;
932 struct iwl_rxon_cmd recovery_rxon;
934 /* 1st responses from initialize and runtime uCode images.
935 * 4965's initialize alive response contains some calibration data. */
936 struct iwl_init_alive_resp card_alive_init;
937 struct iwl_alive_resp card_alive;
939 #ifdef CONFIG_IWLWIFI_LEDS
940 unsigned long last_blink_time;
944 struct iwl_led led[IWL_LED_TRG_MAX];
945 unsigned int rxtxpackets;
948 u16 active_rate_basic;
950 u8 assoc_station_added;
952 struct iwl_sensitivity_data sensitivity_data;
953 struct iwl_chain_noise_data chain_noise_data;
954 __le16 sensitivity_tbl[HD_TABLE_SIZE];
956 struct iwl_ht_info current_ht_config;
957 u8 last_phy_res[100];
959 /* Rate scaling data */
963 wait_queue_head_t wait_command_queue;
965 int activity_timer_active;
967 /* Rx and Tx DMA processing queues */
968 struct iwl_rx_queue rxq;
969 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
970 unsigned long txq_ctx_active_msk;
971 struct iwl_dma_ptr kw; /* keep warm address */
972 struct iwl_dma_ptr scd_bc_tbls;
974 u32 scd_base_addr; /* scheduler sram base address */
976 unsigned long status;
978 int last_rx_rssi; /* From Rx packet statistics */
979 int last_rx_noise; /* From beacon statistics */
981 /* counts mgmt, ctl, and data packets */
982 struct traffic_stats {
985 } tx_stats[3], rx_stats[3];
987 /* counts interrupts */
988 struct isr_statistics isr_stats;
990 struct iwl_power_mgr power_data;
992 struct iwl_notif_statistics statistics;
993 unsigned long last_statistics_time;
995 /* context information */
1001 u8 mac_addr[ETH_ALEN];
1003 /*station table variables */
1004 spinlock_t sta_lock;
1006 struct iwl_station_entry stations[IWL_STATION_COUNT];
1007 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1010 unsigned long ucode_key_table;
1012 /* queue refcounts */
1013 #define IWL_MAX_HW_QUEUES 32
1014 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
1016 atomic_t queue_stop_count[4];
1018 /* Indication if ieee80211_ops->open has been called */
1021 u8 mac80211_registered;
1023 /* Rx'd packet timing information */
1024 u32 last_beacon_time;
1029 int nvm_device_type;
1030 struct iwl_eeprom_calib_info *calib_info;
1032 enum nl80211_iftype iw_mode;
1034 struct sk_buff *ibss_beacon;
1036 /* Last Rx'd beacon timestamp */
1039 struct ieee80211_vif *vif;
1043 dma_addr_t shared_phys;
1045 struct iwl_hw_params hw_params;
1049 dma_addr_t ict_tbl_dma;
1050 dma_addr_t aligned_ict_tbl_dma;
1057 /* Current association information needed to configure the
1060 u16 assoc_capability;
1062 struct iwl_qos_info qos_data;
1064 struct workqueue_struct *workqueue;
1066 struct work_struct up;
1067 struct work_struct restart;
1068 struct work_struct calibrated_work;
1069 struct work_struct scan_completed;
1070 struct work_struct rx_replenish;
1071 struct work_struct abort_scan;
1072 struct work_struct update_link_led;
1073 struct work_struct auth_work;
1074 struct work_struct report_work;
1075 struct work_struct request_scan;
1076 struct work_struct beacon_update;
1078 struct tasklet_struct irq_tasklet;
1080 struct delayed_work init_alive_start;
1081 struct delayed_work alive_start;
1082 struct delayed_work scan_check;
1085 struct delayed_work thermal_periodic;
1086 struct delayed_work rfkill_poll;
1089 s8 tx_power_user_lmt;
1090 s8 tx_power_channel_lmt;
1093 #ifdef CONFIG_IWLWIFI_DEBUG
1094 /* debugging info */
1097 atomic_t restrict_refcnt;
1098 #ifdef CONFIG_IWLWIFI_DEBUGFS
1100 struct iwl_debugfs *dbgfs;
1101 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1102 #endif /* CONFIG_IWLWIFI_DEBUG */
1104 struct work_struct txpower_work;
1105 u32 disable_sens_cal;
1106 u32 disable_chain_noise_cal;
1107 u32 disable_tx_power_cal;
1108 struct work_struct run_time_calib_work;
1109 struct timer_list statistics_periodic;
1112 #define IWL_DEFAULT_TX_POWER 0x0F
1114 struct iwl3945_notif_statistics statistics_39;
1119 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1121 set_bit(txq_id, &priv->txq_ctx_active_msk);
1124 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1126 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1129 #ifdef CONFIG_IWLWIFI_DEBUG
1130 const char *iwl_get_tx_fail_reason(u32 status);
1132 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1136 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1137 int txq_id, int idx)
1139 if (priv->txq[txq_id].txb[idx].skb[0])
1140 return (struct ieee80211_hdr *)priv->txq[txq_id].
1141 txb[idx].skb[0]->data;
1146 static inline int iwl_is_associated(struct iwl_priv *priv)
1148 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1151 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1153 if (ch_info == NULL)
1155 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1158 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1160 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1163 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1165 return ch_info->band == IEEE80211_BAND_5GHZ;
1168 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1170 return ch_info->band == IEEE80211_BAND_2GHZ;
1173 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1175 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1178 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1180 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1183 #endif /* __iwl_dev_h__ */