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 iwl1000_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;
70 extern struct iwl_lib_ops iwl5000_lib;
71 extern struct iwl_hcmd_ops iwl5000_hcmd;
72 extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils;
73 extern struct iwl_station_mgmt_ops iwl5000_station_mgmt;
75 /* shared functions from iwl-5000.c */
76 extern u16 iwl5000_get_hcmd_size(u8 cmd_id, u16 len);
77 extern u16 iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd *cmd,
79 extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info *info,
81 extern int iwl5000_calc_rssi(struct iwl_priv *priv,
82 struct iwl_rx_phy_res *rx_resp);
84 /* CT-KILL constants */
85 #define CT_KILL_THRESHOLD 110 /* in Celsius */
87 /* Default noise level to report when noise measurement is not available.
88 * This may be because we're:
89 * 1) Not associated (4965, no beacon statistics being sent to driver)
90 * 2) Scanning (noise measurement does not apply to associated channel)
91 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
92 * Use default noise value of -127 ... this is below the range of measurable
93 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
94 * Also, -127 works better than 0 when averaging frames with/without
95 * noise info (e.g. averaging might be done in app); measured dBm values are
96 * always negative ... using a negative value as the default keeps all
97 * averages within an s8's (used in some apps) range of negative values. */
98 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
101 * RTS threshold here is total size [2347] minus 4 FCS bytes
103 * a value of 0 means RTS on all data/management packets
104 * a value > max MSDU size means no RTS
105 * else RTS for data/management frames where MPDU is larger
108 #define DEFAULT_RTS_THRESHOLD 2347U
109 #define MIN_RTS_THRESHOLD 0U
110 #define MAX_RTS_THRESHOLD 2347U
111 #define MAX_MSDU_SIZE 2304U
112 #define MAX_MPDU_SIZE 2346U
113 #define DEFAULT_BEACON_INTERVAL 100U
114 #define DEFAULT_SHORT_RETRY_LIMIT 7U
115 #define DEFAULT_LONG_RETRY_LIMIT 4U
117 struct iwl_rx_mem_buffer {
118 dma_addr_t real_dma_addr;
119 dma_addr_t aligned_dma_addr;
121 struct list_head list;
125 * Generic queue structure
127 * Contains common data for Rx and Tx queues
130 int n_bd; /* number of BDs in this queue */
131 int write_ptr; /* 1-st empty entry (index) host_w*/
132 int read_ptr; /* last used entry (index) host_r*/
133 dma_addr_t dma_addr; /* physical addr for BD's */
134 int n_window; /* safe queue window */
136 int low_mark; /* low watermark, resume queue if free
137 * space more than this */
138 int high_mark; /* high watermark, stop queue if free
139 * space less than this */
140 } __attribute__ ((packed));
142 /* One for each TFD */
144 struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
148 * struct iwl_tx_queue - Tx Queue for DMA
149 * @q: generic Rx/Tx queue descriptor
150 * @bd: base of circular buffer of TFDs
151 * @cmd: array of command/Tx buffers
152 * @dma_addr_cmd: physical address of cmd/tx buffer array
153 * @txb: array of per-TFD driver data
154 * @need_update: indicates need to update read/write index
155 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
157 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
158 * descriptors) and required locking structures.
160 #define TFD_TX_CMD_SLOTS 256
161 #define TFD_CMD_SLOTS 32
163 struct iwl_tx_queue {
166 struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
167 struct iwl_tx_info *txb;
174 #define IWL_NUM_SCAN_RATES (2)
176 struct iwl4965_channel_tgd_info {
181 struct iwl4965_channel_tgh_info {
185 #define IWL4965_MAX_RATE (33)
187 struct iwl3945_clip_group {
188 /* maximum power level to prevent clipping for each rate, derived by
189 * us from this band's saturation power in EEPROM */
190 const s8 clip_powers[IWL_MAX_RATES];
193 /* current Tx power values to use, one for each rate for each channel.
194 * requested power is limited by:
195 * -- regulatory EEPROM limits for this channel
196 * -- hardware capabilities (clip-powers)
197 * -- spectrum management
198 * -- user preference (e.g. iwconfig)
199 * when requested power is set, base power index must also be set. */
200 struct iwl3945_channel_power_info {
201 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
202 s8 power_table_index; /* actual (compenst'd) index into gain table */
203 s8 base_power_index; /* gain index for power at factory temp. */
204 s8 requested_power; /* power (dBm) requested for this chnl/rate */
207 /* current scan Tx power values to use, one for each scan rate for each
209 struct iwl3945_scan_power_info {
210 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
211 s8 power_table_index; /* actual (compenst'd) index into gain table */
212 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
216 * One for each channel, holds all channel setup data
217 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
220 struct iwl_channel_info {
221 struct iwl4965_channel_tgd_info tgd;
222 struct iwl4965_channel_tgh_info tgh;
223 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
224 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
227 u8 channel; /* channel number */
228 u8 flags; /* flags copied from EEPROM */
229 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
230 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
231 s8 min_power; /* always 0 */
232 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
234 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
235 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
236 enum ieee80211_band band;
238 /* FAT channel info */
239 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
240 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
241 s8 fat_min_power; /* always 0 */
242 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
243 u8 fat_flags; /* flags copied from EEPROM */
244 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
246 /* Radio/DSP gain settings for each "normal" data Tx rate.
247 * These include, in addition to RF and DSP gain, a few fields for
248 * remembering/modifying gain settings (indexes). */
249 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
251 /* Radio/DSP gain settings for each scan rate, for directed scans. */
252 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
255 #define IWL_TX_FIFO_AC0 0
256 #define IWL_TX_FIFO_AC1 1
257 #define IWL_TX_FIFO_AC2 2
258 #define IWL_TX_FIFO_AC3 3
259 #define IWL_TX_FIFO_HCCA_1 5
260 #define IWL_TX_FIFO_HCCA_2 6
261 #define IWL_TX_FIFO_NONE 7
263 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
264 #define IWL_MIN_NUM_QUEUES 4
266 /* Power management (not Tx power) structures */
273 #define IEEE80211_DATA_LEN 2304
274 #define IEEE80211_4ADDR_LEN 30
275 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
276 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
280 struct ieee80211_hdr frame;
281 struct iwl_tx_beacon_cmd beacon;
282 u8 raw[IEEE80211_FRAME_LEN];
285 struct list_head list;
288 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
289 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
290 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
293 /* CMD_SIZE_NORMAL = 0, */
294 CMD_SIZE_HUGE = (1 << 0),
296 CMD_ASYNC = (1 << 1),
297 /* CMD_NO_SKB = 0, */
298 CMD_WANT_SKB = (1 << 2),
304 struct iwl_cmd_meta {
305 struct iwl_cmd_meta *source;
308 int (*callback)(struct iwl_priv *priv,
309 struct iwl_cmd *cmd, struct sk_buff *skb);
310 } __attribute__ ((packed)) u;
312 /* The CMD_SIZE_HUGE flag bit indicates that the command
313 * structure is stored at the end of the shared queue memory. */
315 DECLARE_PCI_UNMAP_ADDR(mapping)
316 DECLARE_PCI_UNMAP_LEN(len)
317 } __attribute__ ((packed));
319 #define IWL_CMD_MAX_PAYLOAD 320
324 * For allocation of the command and tx queues, this establishes the overall
325 * size of the largest command we send to uCode, except for a scan command
326 * (which is relatively huge; space is allocated separately).
329 struct iwl_cmd_meta meta; /* driver data */
330 struct iwl_cmd_header hdr; /* uCode API */
336 struct iwl_tx_cmd tx;
337 u8 payload[IWL_CMD_MAX_PAYLOAD];
338 } __attribute__ ((packed)) cmd;
339 } __attribute__ ((packed));
342 struct iwl_host_cmd {
345 struct iwl_cmd_meta meta;
349 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
350 sizeof(struct iwl_cmd_meta))
353 * RX related structures and functions
355 #define RX_FREE_BUFFERS 64
356 #define RX_LOW_WATERMARK 8
358 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
359 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
360 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
363 * struct iwl_rx_queue - Rx queue
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
371 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
373 struct iwl_rx_queue {
376 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
377 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
381 struct list_head rx_free;
382 struct list_head rx_used;
384 struct iwl_rb_status *rb_stts;
385 dma_addr_t rb_stts_dma;
389 #define IWL_SUPPORTED_RATES_IE_LEN 8
391 #define MAX_TID_COUNT 9
393 #define IWL_INVALID_RATE 0xFF
394 #define IWL_INVALID_VALUE -1
397 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
398 * @txq_id: Tx queue used for Tx attempt
399 * @frame_count: # frames attempted by Tx command
400 * @wait_for_ba: Expect block-ack before next Tx reply
401 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
402 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
403 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
404 * @rate_n_flags: Rate at which Tx was attempted
406 * If REPLY_TX indicates that aggregation was attempted, driver must wait
407 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
408 * until block ack arrives.
417 #define IWL_AGG_OFF 0
419 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
420 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
425 struct iwl_tid_data {
428 struct iwl_ht_agg agg;
432 enum ieee80211_key_alg alg;
438 union iwl_ht_rate_supp {
446 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
447 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
448 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
451 /* self configuration data */
453 u8 supported_chan_width;
456 u8 sgf; /* HT_SHORT_GI_* short guard interval */
460 struct ieee80211_mcs_info mcs;
461 /* BSS related data */
462 u8 extension_chan_offset;
465 u8 non_GF_STA_present;
468 union iwl_qos_capabity {
470 u8 edca_count:4; /* bit 0-3 */
471 u8 q_ack:1; /* bit 4 */
472 u8 queue_request:1; /* bit 5 */
473 u8 txop_request:1; /* bit 6 */
474 u8 reserved:1; /* bit 7 */
477 u8 acvo_APSD:1; /* bit 0 */
478 u8 acvi_APSD:1; /* bit 1 */
479 u8 ac_bk_APSD:1; /* bit 2 */
480 u8 ac_be_APSD:1; /* bit 3 */
481 u8 q_ack:1; /* bit 4 */
482 u8 max_len:2; /* bit 5-6 */
483 u8 more_data_ack:1; /* bit 7 */
489 struct iwl_qos_info {
491 union iwl_qos_capabity qos_cap;
492 struct iwl_qosparam_cmd def_qos_parm;
495 #define STA_PS_STATUS_WAKE 0
496 #define STA_PS_STATUS_SLEEP 1
498 struct iwl3945_tid_data {
502 struct iwl3945_hw_key {
503 enum ieee80211_key_alg alg;
508 struct iwl3945_station_entry {
509 struct iwl3945_addsta_cmd sta;
510 struct iwl3945_tid_data tid[MAX_TID_COUNT];
513 struct iwl3945_hw_key keyinfo;
516 struct iwl_station_entry {
517 struct iwl_addsta_cmd sta;
518 struct iwl_tid_data tid[MAX_TID_COUNT];
521 struct iwl_hw_key keyinfo;
524 /* one for each uCode image (inst/data, boot/init/runtime) */
526 void *v_addr; /* access by driver */
527 dma_addr_t p_addr; /* access by card's busmaster DMA */
531 /* uCode file layout */
533 __le32 ver; /* major/minor/API/serial */
534 __le32 inst_size; /* bytes of runtime instructions */
535 __le32 data_size; /* bytes of runtime data */
536 __le32 init_size; /* bytes of initialization instructions */
537 __le32 init_data_size; /* bytes of initialization data */
538 __le32 boot_size; /* bytes of bootstrap instructions */
539 u8 data[0]; /* data in same order as "size" elements */
542 struct iwl4965_ibss_seq {
546 unsigned long packet_time;
547 struct list_head list;
550 struct iwl_sensitivity_ranges {
557 u16 auto_corr_min_ofdm;
558 u16 auto_corr_min_ofdm_mrc;
559 u16 auto_corr_min_ofdm_x1;
560 u16 auto_corr_min_ofdm_mrc_x1;
562 u16 auto_corr_max_ofdm;
563 u16 auto_corr_max_ofdm_mrc;
564 u16 auto_corr_max_ofdm_x1;
565 u16 auto_corr_max_ofdm_mrc_x1;
567 u16 auto_corr_max_cck;
568 u16 auto_corr_max_cck_mrc;
569 u16 auto_corr_min_cck;
570 u16 auto_corr_min_cck_mrc;
574 #define KELVIN_TO_CELSIUS(x) ((x)-273)
575 #define CELSIUS_TO_KELVIN(x) ((x)+273)
579 * struct iwl_hw_params
580 * @max_txq_num: Max # Tx queues supported
581 * @dma_chnl_num: Number of Tx DMA/FIFO channels
582 * @scd_bc_tbls_size: size of scheduler byte count tables
583 * @tfd_size: TFD size
584 * @tx/rx_chains_num: Number of TX/RX chains
585 * @valid_tx/rx_ant: usable antennas
586 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
587 * @max_rxq_log: Log-base-2 of max_rxq_size
588 * @rx_buf_size: Rx buffer size
589 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
592 * @fat_channel: is 40MHz width possible in band 2.4
593 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
594 * @sw_crypto: 0 for hw, 1 for sw
595 * @max_xxx_size: for ucode uses
596 * @ct_kill_threshold: temperature threshold
597 * @calib_init_cfg: setup initial calibrations for the hw
598 * @struct iwl_sensitivity_ranges: range of sensitivity values
600 struct iwl_hw_params {
603 u16 scd_bc_tbls_size;
621 u32 ct_kill_threshold; /* value in hw-dependent units */
623 const struct iwl_sensitivity_ranges *sens;
627 /******************************************************************************
629 * Functions implemented in core module which are forward declared here
630 * for use by iwl-[4-5].c
632 * NOTE: The implementation of these functions are not hardware specific
633 * which is why they are in the core module files.
635 * Naming convention --
636 * iwl_ <-- Is part of iwlwifi
637 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
638 * iwl4965_bg_ <-- Called from work queue context
639 * iwl4965_mac_ <-- mac80211 callback
641 ****************************************************************************/
642 extern void iwl_update_chain_flags(struct iwl_priv *priv);
643 extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
644 extern const u8 iwl_bcast_addr[ETH_ALEN];
645 extern int iwl_rxq_stop(struct iwl_priv *priv);
646 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
647 extern int iwl_queue_space(const struct iwl_queue *q);
648 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
650 return q->write_ptr > q->read_ptr ?
651 (i >= q->read_ptr && i < q->write_ptr) :
652 !(i < q->read_ptr && i >= q->write_ptr);
656 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
658 /* This is for scan command, the big buffer at end of command array */
660 return q->n_window; /* must be power of 2 */
662 /* Otherwise, use normal size buffers */
663 return index & (q->n_window - 1);
673 #define HT_SHORT_GI_20MHZ (1 << 0)
674 #define HT_SHORT_GI_40MHZ (1 << 1)
676 #define IWL_CHANNEL_WIDTH_20MHZ 0
677 #define IWL_CHANNEL_WIDTH_40MHZ 1
679 #define IWL_OPERATION_MODE_AUTO 0
680 #define IWL_OPERATION_MODE_HT_ONLY 1
681 #define IWL_OPERATION_MODE_MIXED 2
682 #define IWL_OPERATION_MODE_20MHZ 3
684 #define IWL_TX_CRC_SIZE 4
685 #define IWL_TX_DELIMITER_SIZE 4
687 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
689 /* Sensitivity and chain noise calibration */
690 #define INITIALIZATION_VALUE 0xFFFF
691 #define CAL_NUM_OF_BEACONS 20
692 #define MAXIMUM_ALLOWED_PATHLOSS 15
694 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
696 #define MAX_FA_OFDM 50
697 #define MIN_FA_OFDM 5
698 #define MAX_FA_CCK 50
701 #define AUTO_CORR_STEP_OFDM 1
703 #define AUTO_CORR_STEP_CCK 3
704 #define AUTO_CORR_MAX_TH_CCK 160
707 #define NRG_STEP_CCK 2
709 #define MAX_NUMBER_CCK_NO_FA 100
711 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
716 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
717 #define ALL_BAND_FILTER 0xFF00
718 #define IN_BAND_FILTER 0xFF
719 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
721 #define NRG_NUM_PREV_STAT_L 20
722 #define NUM_RX_CHAINS 3
724 enum iwl4965_false_alarm_state {
727 IWL_FA_GOOD_RANGE = 2,
730 enum iwl4965_chain_noise_state {
731 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
732 IWL_CHAIN_NOISE_ACCUMULATE,
733 IWL_CHAIN_NOISE_CALIBRATED,
734 IWL_CHAIN_NOISE_DONE,
737 enum iwl4965_calib_enabled_state {
738 IWL_CALIB_DISABLED = 0, /* must be 0 */
739 IWL_CALIB_ENABLED = 1,
745 * defines the order in which results of initial calibrations
746 * should be sent to the runtime uCode
753 IWL_CALIB_TX_IQ_PERD,
758 /* Opaque calibration results */
759 struct iwl_calib_result {
770 /* Sensitivity calib data */
771 struct iwl_sensitivity_data {
773 u32 auto_corr_ofdm_mrc;
774 u32 auto_corr_ofdm_x1;
775 u32 auto_corr_ofdm_mrc_x1;
777 u32 auto_corr_cck_mrc;
779 u32 last_bad_plcp_cnt_ofdm;
780 u32 last_fa_cnt_ofdm;
781 u32 last_bad_plcp_cnt_cck;
787 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
792 s32 nrg_auto_corr_silence_diff;
793 u32 num_in_cck_no_fa;
797 /* Chain noise (differential Rx gain) calib data */
798 struct iwl_chain_noise_data {
807 u8 disconn_array[NUM_RX_CHAINS];
808 u8 delta_gain_code[NUM_RX_CHAINS];
813 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
814 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
818 MEASUREMENT_READY = (1 << 0),
819 MEASUREMENT_ACTIVE = (1 << 1),
822 /* interrupt statistics */
823 struct isr_statistics {
833 u32 rx_handlers[REPLY_MAX];
838 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
842 /* ieee device used by generic ieee processing code */
843 struct ieee80211_hw *hw;
844 struct ieee80211_channel *ieee_channels;
845 struct ieee80211_rate *ieee_rates;
848 /* temporary frame storage list */
849 struct list_head free_frames;
852 enum ieee80211_band band;
855 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
856 struct iwl_rx_mem_buffer *rxb);
858 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
860 #if defined(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
861 /* spectrum measurement report caching */
862 struct iwl_spectrum_notification measure_report;
863 u8 measurement_status;
865 /* ucode beacon time */
866 u32 ucode_beacon_time;
868 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
869 * Access via channel # using indirect index array */
870 struct iwl_channel_info *channel_info; /* channel info array */
871 u8 channel_count; /* # of channels */
873 /* each calibration channel group in the EEPROM has a derived
874 * clip setting for each rate. 3945 only.*/
875 const struct iwl3945_clip_group clip39_groups[5];
877 /* thermal calibration */
878 s32 temperature; /* degrees Kelvin */
879 s32 last_temperature;
881 /* init calibration results */
882 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
884 /* Scan related variables */
885 unsigned long last_scan_jiffies;
886 unsigned long next_scan_jiffies;
887 unsigned long scan_start;
888 unsigned long scan_pass_start;
889 unsigned long scan_start_tsf;
894 u8 direct_ssid[IW_ESSID_MAX_SIZE];
895 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
899 spinlock_t lock; /* protect general shared data */
900 spinlock_t hcmd_lock; /* protect hcmd */
903 /* basic pci-network driver stuff */
904 struct pci_dev *pci_dev;
906 /* pci hardware address support */
907 void __iomem *hw_base;
912 /* uCode images, save to reload in case of failure */
913 u32 ucode_ver; /* version of ucode, copy of
915 struct fw_desc ucode_code; /* runtime inst */
916 struct fw_desc ucode_data; /* runtime data original */
917 struct fw_desc ucode_data_backup; /* runtime data save/restore */
918 struct fw_desc ucode_init; /* initialization inst */
919 struct fw_desc ucode_init_data; /* initialization data */
920 struct fw_desc ucode_boot; /* bootstrap inst */
921 enum ucode_type ucode_type;
922 u8 ucode_write_complete; /* the image write is complete */
925 struct iwl_rxon_time_cmd rxon_timing;
927 /* We declare this const so it can only be
928 * changed via explicit cast within the
929 * routines that actually update the physical
931 const struct iwl_rxon_cmd active_rxon;
932 struct iwl_rxon_cmd staging_rxon;
934 int error_recovering;
935 struct iwl_rxon_cmd recovery_rxon;
937 /* 1st responses from initialize and runtime uCode images.
938 * 4965's initialize alive response contains some calibration data. */
939 struct iwl_init_alive_resp card_alive_init;
940 struct iwl_alive_resp card_alive;
941 #if defined(CONFIG_IWLWIFI_RFKILL)
942 struct rfkill *rfkill;
945 #ifdef CONFIG_IWLWIFI_LEDS
946 unsigned long last_blink_time;
950 struct iwl_led led[IWL_LED_TRG_MAX];
951 unsigned int rxtxpackets;
954 u16 active_rate_basic;
956 u8 assoc_station_added;
958 struct iwl_sensitivity_data sensitivity_data;
959 struct iwl_chain_noise_data chain_noise_data;
960 __le16 sensitivity_tbl[HD_TABLE_SIZE];
962 struct iwl_ht_info current_ht_config;
963 u8 last_phy_res[100];
965 /* Rate scaling data */
969 wait_queue_head_t wait_command_queue;
971 int activity_timer_active;
973 /* Rx and Tx DMA processing queues */
974 struct iwl_rx_queue rxq;
975 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
976 unsigned long txq_ctx_active_msk;
977 struct iwl_dma_ptr kw; /* keep warm address */
978 struct iwl_dma_ptr scd_bc_tbls;
980 u32 scd_base_addr; /* scheduler sram base address */
982 unsigned long status;
984 int last_rx_rssi; /* From Rx packet statistics */
985 int last_rx_noise; /* From beacon statistics */
987 /* counts mgmt, ctl, and data packets */
988 struct traffic_stats {
991 } tx_stats[3], rx_stats[3];
993 /* counts interrupts */
994 struct isr_statistics isr_stats;
996 struct iwl_power_mgr power_data;
998 struct iwl_notif_statistics statistics;
999 unsigned long last_statistics_time;
1001 /* context information */
1007 u8 mac_addr[ETH_ALEN];
1009 /*station table variables */
1010 spinlock_t sta_lock;
1012 struct iwl_station_entry stations[IWL_STATION_COUNT];
1013 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
1016 unsigned long ucode_key_table;
1018 /* queue refcounts */
1019 #define IWL_MAX_HW_QUEUES 32
1020 unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
1022 atomic_t queue_stop_count[4];
1024 /* Indication if ieee80211_ops->open has been called */
1027 u8 mac80211_registered;
1029 /* Rx'd packet timing information */
1030 u32 last_beacon_time;
1035 struct iwl_eeprom_calib_info *calib_info;
1037 enum nl80211_iftype iw_mode;
1039 struct sk_buff *ibss_beacon;
1041 /* Last Rx'd beacon timestamp */
1044 struct ieee80211_vif *vif;
1048 dma_addr_t shared_phys;
1050 struct iwl_hw_params hw_params;
1053 /* Current association information needed to configure the
1056 u16 assoc_capability;
1058 struct iwl_qos_info qos_data;
1060 struct workqueue_struct *workqueue;
1062 struct work_struct up;
1063 struct work_struct restart;
1064 struct work_struct calibrated_work;
1065 struct work_struct scan_completed;
1066 struct work_struct rx_replenish;
1067 struct work_struct rf_kill;
1068 struct work_struct abort_scan;
1069 struct work_struct update_link_led;
1070 struct work_struct auth_work;
1071 struct work_struct report_work;
1072 struct work_struct request_scan;
1073 struct work_struct beacon_update;
1075 struct tasklet_struct irq_tasklet;
1077 struct delayed_work set_power_save;
1078 struct delayed_work init_alive_start;
1079 struct delayed_work alive_start;
1080 struct delayed_work scan_check;
1083 struct delayed_work thermal_periodic;
1084 struct delayed_work rfkill_poll;
1087 s8 tx_power_user_lmt;
1088 s8 tx_power_channel_lmt;
1091 #ifdef CONFIG_IWLWIFI_DEBUG
1092 /* debugging info */
1095 atomic_t restrict_refcnt;
1096 #ifdef CONFIG_IWLWIFI_DEBUGFS
1098 struct iwl_debugfs *dbgfs;
1099 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1100 #endif /* CONFIG_IWLWIFI_DEBUG */
1102 struct work_struct txpower_work;
1103 u32 disable_sens_cal;
1104 u32 disable_chain_noise_cal;
1105 u32 disable_tx_power_cal;
1106 struct work_struct run_time_calib_work;
1107 struct timer_list statistics_periodic;
1110 #define IWL_DEFAULT_TX_POWER 0x0F
1112 struct iwl3945_notif_statistics statistics_39;
1114 struct iwl3945_station_entry stations_39[IWL_STATION_COUNT];
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__ */