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;
61 /* shared structures from iwl-5000.c */
62 extern struct iwl_mod_params iwl50_mod_params;
63 extern struct iwl_ops iwl5000_ops;
65 /* CT-KILL constants */
66 #define CT_KILL_THRESHOLD 110 /* in Celsius */
68 /* Default noise level to report when noise measurement is not available.
69 * This may be because we're:
70 * 1) Not associated (4965, no beacon statistics being sent to driver)
71 * 2) Scanning (noise measurement does not apply to associated channel)
72 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
73 * Use default noise value of -127 ... this is below the range of measurable
74 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
75 * Also, -127 works better than 0 when averaging frames with/without
76 * noise info (e.g. averaging might be done in app); measured dBm values are
77 * always negative ... using a negative value as the default keeps all
78 * averages within an s8's (used in some apps) range of negative values. */
79 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
82 * RTS threshold here is total size [2347] minus 4 FCS bytes
84 * a value of 0 means RTS on all data/management packets
85 * a value > max MSDU size means no RTS
86 * else RTS for data/management frames where MPDU is larger
89 #define DEFAULT_RTS_THRESHOLD 2347U
90 #define MIN_RTS_THRESHOLD 0U
91 #define MAX_RTS_THRESHOLD 2347U
92 #define MAX_MSDU_SIZE 2304U
93 #define MAX_MPDU_SIZE 2346U
94 #define DEFAULT_BEACON_INTERVAL 100U
95 #define DEFAULT_SHORT_RETRY_LIMIT 7U
96 #define DEFAULT_LONG_RETRY_LIMIT 4U
98 struct iwl_rx_mem_buffer {
99 dma_addr_t real_dma_addr;
100 dma_addr_t aligned_dma_addr;
102 struct list_head list;
106 * Generic queue structure
108 * Contains common data for Rx and Tx queues
111 int n_bd; /* number of BDs in this queue */
112 int write_ptr; /* 1-st empty entry (index) host_w*/
113 int read_ptr; /* last used entry (index) host_r*/
114 dma_addr_t dma_addr; /* physical addr for BD's */
115 int n_window; /* safe queue window */
117 int low_mark; /* low watermark, resume queue if free
118 * space more than this */
119 int high_mark; /* high watermark, stop queue if free
120 * space less than this */
121 } __attribute__ ((packed));
123 /* One for each TFD */
125 struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
129 * struct iwl_tx_queue - Tx Queue for DMA
130 * @q: generic Rx/Tx queue descriptor
131 * @bd: base of circular buffer of TFDs
132 * @cmd: array of command/Tx buffers
133 * @dma_addr_cmd: physical address of cmd/tx buffer array
134 * @txb: array of per-TFD driver data
135 * @need_update: indicates need to update read/write index
136 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
138 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
139 * descriptors) and required locking structures.
141 #define TFD_TX_CMD_SLOTS 256
142 #define TFD_CMD_SLOTS 32
144 struct iwl_tx_queue {
146 struct iwl_tfd *tfds;
147 struct iwl3945_tfd *tfds39;
148 struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
149 struct iwl_tx_info *txb;
156 #define IWL_NUM_SCAN_RATES (2)
158 struct iwl4965_channel_tgd_info {
163 struct iwl4965_channel_tgh_info {
167 #define IWL4965_MAX_RATE (33)
169 struct iwl3945_clip_group {
170 /* maximum power level to prevent clipping for each rate, derived by
171 * us from this band's saturation power in EEPROM */
172 const s8 clip_powers[IWL_MAX_RATES];
175 /* current Tx power values to use, one for each rate for each channel.
176 * requested power is limited by:
177 * -- regulatory EEPROM limits for this channel
178 * -- hardware capabilities (clip-powers)
179 * -- spectrum management
180 * -- user preference (e.g. iwconfig)
181 * when requested power is set, base power index must also be set. */
182 struct iwl3945_channel_power_info {
183 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
184 s8 power_table_index; /* actual (compenst'd) index into gain table */
185 s8 base_power_index; /* gain index for power at factory temp. */
186 s8 requested_power; /* power (dBm) requested for this chnl/rate */
189 /* current scan Tx power values to use, one for each scan rate for each
191 struct iwl3945_scan_power_info {
192 struct iwl3945_tx_power tpc; /* actual radio and DSP gain settings */
193 s8 power_table_index; /* actual (compenst'd) index into gain table */
194 s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
198 * One for each channel, holds all channel setup data
199 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
202 struct iwl_channel_info {
203 struct iwl4965_channel_tgd_info tgd;
204 struct iwl4965_channel_tgh_info tgh;
205 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
206 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
209 u8 channel; /* channel number */
210 u8 flags; /* flags copied from EEPROM */
211 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
212 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
213 s8 min_power; /* always 0 */
214 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
216 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
217 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
218 enum ieee80211_band band;
220 /* FAT channel info */
221 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
222 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
223 s8 fat_min_power; /* always 0 */
224 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
225 u8 fat_flags; /* flags copied from EEPROM */
226 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
228 /* Radio/DSP gain settings for each "normal" data Tx rate.
229 * These include, in addition to RF and DSP gain, a few fields for
230 * remembering/modifying gain settings (indexes). */
231 struct iwl3945_channel_power_info power_info[IWL4965_MAX_RATE];
233 /* Radio/DSP gain settings for each scan rate, for directed scans. */
234 struct iwl3945_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
237 #define IWL_TX_FIFO_AC0 0
238 #define IWL_TX_FIFO_AC1 1
239 #define IWL_TX_FIFO_AC2 2
240 #define IWL_TX_FIFO_AC3 3
241 #define IWL_TX_FIFO_HCCA_1 5
242 #define IWL_TX_FIFO_HCCA_2 6
243 #define IWL_TX_FIFO_NONE 7
245 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
246 #define IWL_MIN_NUM_QUEUES 4
248 /* Power management (not Tx power) structures */
255 #define IEEE80211_DATA_LEN 2304
256 #define IEEE80211_4ADDR_LEN 30
257 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
258 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
262 struct ieee80211_hdr frame;
263 struct iwl_tx_beacon_cmd beacon;
264 u8 raw[IEEE80211_FRAME_LEN];
267 struct list_head list;
270 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
271 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
272 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
275 /* CMD_SIZE_NORMAL = 0, */
276 CMD_SIZE_HUGE = (1 << 0),
278 CMD_ASYNC = (1 << 1),
279 /* CMD_NO_SKB = 0, */
280 CMD_WANT_SKB = (1 << 2),
286 struct iwl_cmd_meta {
287 struct iwl_cmd_meta *source;
290 int (*callback)(struct iwl_priv *priv,
291 struct iwl_cmd *cmd, struct sk_buff *skb);
292 } __attribute__ ((packed)) u;
294 /* The CMD_SIZE_HUGE flag bit indicates that the command
295 * structure is stored at the end of the shared queue memory. */
297 DECLARE_PCI_UNMAP_ADDR(mapping)
298 DECLARE_PCI_UNMAP_LEN(len)
299 } __attribute__ ((packed));
301 #define IWL_CMD_MAX_PAYLOAD 320
306 * For allocation of the command and tx queues, this establishes the overall
307 * size of the largest command we send to uCode, except for a scan command
308 * (which is relatively huge; space is allocated separately).
311 struct iwl_cmd_meta meta; /* driver data */
312 struct iwl_cmd_header hdr; /* uCode API */
318 struct iwl_tx_cmd tx;
319 u8 payload[IWL_CMD_MAX_PAYLOAD];
320 } __attribute__ ((packed)) cmd;
321 } __attribute__ ((packed));
324 struct iwl_host_cmd {
327 struct iwl_cmd_meta meta;
331 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
332 sizeof(struct iwl_cmd_meta))
335 * RX related structures and functions
337 #define RX_FREE_BUFFERS 64
338 #define RX_LOW_WATERMARK 8
340 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
341 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
342 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
345 * struct iwl_rx_queue - Rx queue
346 * @read: Shared index to newest available Rx buffer
347 * @write: Shared index to oldest written Rx packet
348 * @free_count: Number of pre-allocated buffers in rx_free
349 * @rx_free: list of free SKBs for use
350 * @rx_used: List of Rx buffers with no SKB
351 * @need_update: flag to indicate we need to update read/write index
353 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
355 struct iwl_rx_queue {
358 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
359 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
363 struct list_head rx_free;
364 struct list_head rx_used;
366 struct iwl_rb_status *rb_stts;
367 dma_addr_t rb_stts_dma;
371 #define IWL_SUPPORTED_RATES_IE_LEN 8
373 #define MAX_TID_COUNT 9
375 #define IWL_INVALID_RATE 0xFF
376 #define IWL_INVALID_VALUE -1
379 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
380 * @txq_id: Tx queue used for Tx attempt
381 * @frame_count: # frames attempted by Tx command
382 * @wait_for_ba: Expect block-ack before next Tx reply
383 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
384 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
385 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
386 * @rate_n_flags: Rate at which Tx was attempted
388 * If REPLY_TX indicates that aggregation was attempted, driver must wait
389 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
390 * until block ack arrives.
399 #define IWL_AGG_OFF 0
401 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
402 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
407 struct iwl_tid_data {
410 struct iwl_ht_agg agg;
414 enum ieee80211_key_alg alg;
420 union iwl_ht_rate_supp {
428 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
429 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
430 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
433 /* self configuration data */
435 u8 supported_chan_width;
438 u8 sgf; /* HT_SHORT_GI_* short guard interval */
442 struct ieee80211_mcs_info mcs;
443 /* BSS related data */
444 u8 extension_chan_offset;
447 u8 non_GF_STA_present;
450 union iwl_qos_capabity {
452 u8 edca_count:4; /* bit 0-3 */
453 u8 q_ack:1; /* bit 4 */
454 u8 queue_request:1; /* bit 5 */
455 u8 txop_request:1; /* bit 6 */
456 u8 reserved:1; /* bit 7 */
459 u8 acvo_APSD:1; /* bit 0 */
460 u8 acvi_APSD:1; /* bit 1 */
461 u8 ac_bk_APSD:1; /* bit 2 */
462 u8 ac_be_APSD:1; /* bit 3 */
463 u8 q_ack:1; /* bit 4 */
464 u8 max_len:2; /* bit 5-6 */
465 u8 more_data_ack:1; /* bit 7 */
471 struct iwl_qos_info {
473 union iwl_qos_capabity qos_cap;
474 struct iwl_qosparam_cmd def_qos_parm;
477 #define STA_PS_STATUS_WAKE 0
478 #define STA_PS_STATUS_SLEEP 1
480 struct iwl3945_tid_data {
484 struct iwl3945_hw_key {
485 enum ieee80211_key_alg alg;
490 struct iwl3945_station_entry {
491 struct iwl3945_addsta_cmd sta;
492 struct iwl3945_tid_data tid[MAX_TID_COUNT];
495 struct iwl3945_hw_key keyinfo;
498 struct iwl_station_entry {
499 struct iwl_addsta_cmd sta;
500 struct iwl_tid_data tid[MAX_TID_COUNT];
503 struct iwl_hw_key keyinfo;
506 /* one for each uCode image (inst/data, boot/init/runtime) */
508 void *v_addr; /* access by driver */
509 dma_addr_t p_addr; /* access by card's busmaster DMA */
513 /* uCode file layout */
515 __le32 ver; /* major/minor/API/serial */
516 __le32 inst_size; /* bytes of runtime instructions */
517 __le32 data_size; /* bytes of runtime data */
518 __le32 init_size; /* bytes of initialization instructions */
519 __le32 init_data_size; /* bytes of initialization data */
520 __le32 boot_size; /* bytes of bootstrap instructions */
521 u8 data[0]; /* data in same order as "size" elements */
524 struct iwl4965_ibss_seq {
528 unsigned long packet_time;
529 struct list_head list;
532 struct iwl_sensitivity_ranges {
539 u16 auto_corr_min_ofdm;
540 u16 auto_corr_min_ofdm_mrc;
541 u16 auto_corr_min_ofdm_x1;
542 u16 auto_corr_min_ofdm_mrc_x1;
544 u16 auto_corr_max_ofdm;
545 u16 auto_corr_max_ofdm_mrc;
546 u16 auto_corr_max_ofdm_x1;
547 u16 auto_corr_max_ofdm_mrc_x1;
549 u16 auto_corr_max_cck;
550 u16 auto_corr_max_cck_mrc;
551 u16 auto_corr_min_cck;
552 u16 auto_corr_min_cck_mrc;
556 #define KELVIN_TO_CELSIUS(x) ((x)-273)
557 #define CELSIUS_TO_KELVIN(x) ((x)+273)
561 * struct iwl_hw_params
562 * @max_txq_num: Max # Tx queues supported
563 * @dma_chnl_num: Number of Tx DMA/FIFO channels
564 * @scd_bc_tbls_size: size of scheduler byte count tables
565 * @tx/rx_chains_num: Number of TX/RX chains
566 * @valid_tx/rx_ant: usable antennas
567 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
568 * @max_rxq_log: Log-base-2 of max_rxq_size
569 * @rx_buf_size: Rx buffer size
570 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
573 * @fat_channel: is 40MHz width possible in band 2.4
574 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
575 * @sw_crypto: 0 for hw, 1 for sw
576 * @max_xxx_size: for ucode uses
577 * @ct_kill_threshold: temperature threshold
578 * @calib_init_cfg: setup initial calibrations for the hw
579 * @struct iwl_sensitivity_ranges: range of sensitivity values
581 struct iwl_hw_params {
584 u16 scd_bc_tbls_size;
601 u32 ct_kill_threshold; /* value in hw-dependent units */
603 const struct iwl_sensitivity_ranges *sens;
607 /******************************************************************************
609 * Functions implemented in core module which are forward declared here
610 * for use by iwl-[4-5].c
612 * NOTE: The implementation of these functions are not hardware specific
613 * which is why they are in the core module files.
615 * Naming convention --
616 * iwl_ <-- Is part of iwlwifi
617 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
618 * iwl4965_bg_ <-- Called from work queue context
619 * iwl4965_mac_ <-- mac80211 callback
621 ****************************************************************************/
622 extern void iwl_update_chain_flags(struct iwl_priv *priv);
623 extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
624 extern const u8 iwl_bcast_addr[ETH_ALEN];
625 extern int iwl_rxq_stop(struct iwl_priv *priv);
626 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
627 extern int iwl_queue_space(const struct iwl_queue *q);
628 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
630 return q->write_ptr > q->read_ptr ?
631 (i >= q->read_ptr && i < q->write_ptr) :
632 !(i < q->read_ptr && i >= q->write_ptr);
636 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
638 /* This is for scan command, the big buffer at end of command array */
640 return q->n_window; /* must be power of 2 */
642 /* Otherwise, use normal size buffers */
643 return index & (q->n_window - 1);
653 #define HT_SHORT_GI_20MHZ (1 << 0)
654 #define HT_SHORT_GI_40MHZ (1 << 1)
656 #define IWL_CHANNEL_WIDTH_20MHZ 0
657 #define IWL_CHANNEL_WIDTH_40MHZ 1
659 #define IWL_OPERATION_MODE_AUTO 0
660 #define IWL_OPERATION_MODE_HT_ONLY 1
661 #define IWL_OPERATION_MODE_MIXED 2
662 #define IWL_OPERATION_MODE_20MHZ 3
664 #define IWL_TX_CRC_SIZE 4
665 #define IWL_TX_DELIMITER_SIZE 4
667 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
669 /* Sensitivity and chain noise calibration */
670 #define INITIALIZATION_VALUE 0xFFFF
671 #define CAL_NUM_OF_BEACONS 20
672 #define MAXIMUM_ALLOWED_PATHLOSS 15
674 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
676 #define MAX_FA_OFDM 50
677 #define MIN_FA_OFDM 5
678 #define MAX_FA_CCK 50
681 #define AUTO_CORR_STEP_OFDM 1
683 #define AUTO_CORR_STEP_CCK 3
684 #define AUTO_CORR_MAX_TH_CCK 160
687 #define NRG_STEP_CCK 2
689 #define MAX_NUMBER_CCK_NO_FA 100
691 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
696 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
697 #define ALL_BAND_FILTER 0xFF00
698 #define IN_BAND_FILTER 0xFF
699 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
701 #define NRG_NUM_PREV_STAT_L 20
702 #define NUM_RX_CHAINS 3
704 enum iwl4965_false_alarm_state {
707 IWL_FA_GOOD_RANGE = 2,
710 enum iwl4965_chain_noise_state {
711 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
712 IWL_CHAIN_NOISE_ACCUMULATE,
713 IWL_CHAIN_NOISE_CALIBRATED,
714 IWL_CHAIN_NOISE_DONE,
717 enum iwl4965_calib_enabled_state {
718 IWL_CALIB_DISABLED = 0, /* must be 0 */
719 IWL_CALIB_ENABLED = 1,
725 * defines the order in which results of initial calibrations
726 * should be sent to the runtime uCode
733 IWL_CALIB_TX_IQ_PERD,
738 /* Opaque calibration results */
739 struct iwl_calib_result {
750 /* Sensitivity calib data */
751 struct iwl_sensitivity_data {
753 u32 auto_corr_ofdm_mrc;
754 u32 auto_corr_ofdm_x1;
755 u32 auto_corr_ofdm_mrc_x1;
757 u32 auto_corr_cck_mrc;
759 u32 last_bad_plcp_cnt_ofdm;
760 u32 last_fa_cnt_ofdm;
761 u32 last_bad_plcp_cnt_cck;
767 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
772 s32 nrg_auto_corr_silence_diff;
773 u32 num_in_cck_no_fa;
777 /* Chain noise (differential Rx gain) calib data */
778 struct iwl_chain_noise_data {
787 u8 disconn_array[NUM_RX_CHAINS];
788 u8 delta_gain_code[NUM_RX_CHAINS];
793 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
794 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
798 MEASUREMENT_READY = (1 << 0),
799 MEASUREMENT_ACTIVE = (1 << 1),
803 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
807 /* ieee device used by generic ieee processing code */
808 struct ieee80211_hw *hw;
809 struct ieee80211_channel *ieee_channels;
810 struct ieee80211_rate *ieee_rates;
813 /* temporary frame storage list */
814 struct list_head free_frames;
817 enum ieee80211_band band;
820 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
821 struct iwl_rx_mem_buffer *rxb);
823 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
825 #if defined(CONFIG_IWLAGN_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
826 /* spectrum measurement report caching */
827 struct iwl_spectrum_notification measure_report;
828 u8 measurement_status;
830 /* ucode beacon time */
831 u32 ucode_beacon_time;
833 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
834 * Access via channel # using indirect index array */
835 struct iwl_channel_info *channel_info; /* channel info array */
836 u8 channel_count; /* # of channels */
838 /* each calibration channel group in the EEPROM has a derived
839 * clip setting for each rate. 3945 only.*/
840 const struct iwl3945_clip_group clip39_groups[5];
842 /* thermal calibration */
843 s32 temperature; /* degrees Kelvin */
844 s32 last_temperature;
846 /* init calibration results */
847 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
849 /* Scan related variables */
850 unsigned long last_scan_jiffies;
851 unsigned long next_scan_jiffies;
852 unsigned long scan_start;
853 unsigned long scan_pass_start;
854 unsigned long scan_start_tsf;
859 u8 direct_ssid[IW_ESSID_MAX_SIZE];
860 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
864 spinlock_t lock; /* protect general shared data */
865 spinlock_t hcmd_lock; /* protect hcmd */
868 /* basic pci-network driver stuff */
869 struct pci_dev *pci_dev;
871 /* pci hardware address support */
872 void __iomem *hw_base;
877 /* uCode images, save to reload in case of failure */
878 u32 ucode_ver; /* version of ucode, copy of
880 struct fw_desc ucode_code; /* runtime inst */
881 struct fw_desc ucode_data; /* runtime data original */
882 struct fw_desc ucode_data_backup; /* runtime data save/restore */
883 struct fw_desc ucode_init; /* initialization inst */
884 struct fw_desc ucode_init_data; /* initialization data */
885 struct fw_desc ucode_boot; /* bootstrap inst */
886 enum ucode_type ucode_type;
887 u8 ucode_write_complete; /* the image write is complete */
890 struct iwl_rxon_time_cmd rxon_timing;
892 /* We declare this const so it can only be
893 * changed via explicit cast within the
894 * routines that actually update the physical
896 const struct iwl_rxon_cmd active_rxon;
897 struct iwl_rxon_cmd staging_rxon;
899 int error_recovering;
900 struct iwl_rxon_cmd recovery_rxon;
902 /* 1st responses from initialize and runtime uCode images.
903 * 4965's initialize alive response contains some calibration data. */
904 struct iwl_init_alive_resp card_alive_init;
905 struct iwl_alive_resp card_alive;
906 #if defined(CONFIG_IWLWIFI_RFKILL) || defined(CONFIG_IWL3945_RFKILL)
907 struct rfkill *rfkill;
910 #if defined(CONFIG_IWLWIFI_LEDS) || defined(CONFIG_IWL3945_LEDS)
911 unsigned long last_blink_time;
917 #ifdef CONFIG_IWLWIFI_LEDS
918 struct iwl_led led[IWL_LED_TRG_MAX];
921 #ifdef CONFIG_IWL3945_LEDS
922 struct iwl3945_led led39[IWL_LED_TRG_MAX];
923 unsigned int rxtxpackets;
926 u16 active_rate_basic;
928 u8 assoc_station_added;
930 struct iwl_sensitivity_data sensitivity_data;
931 struct iwl_chain_noise_data chain_noise_data;
932 __le16 sensitivity_tbl[HD_TABLE_SIZE];
934 struct iwl_ht_info current_ht_config;
935 u8 last_phy_res[100];
937 /* Rate scaling data */
941 wait_queue_head_t wait_command_queue;
943 int activity_timer_active;
945 /* Rx and Tx DMA processing queues */
946 struct iwl_rx_queue rxq;
947 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
948 unsigned long txq_ctx_active_msk;
949 struct iwl_dma_ptr kw; /* keep warm address */
950 struct iwl_dma_ptr scd_bc_tbls;
952 u32 scd_base_addr; /* scheduler sram base address */
954 unsigned long status;
956 int last_rx_rssi; /* From Rx packet statistics */
957 int last_rx_noise; /* From beacon statistics */
959 /* counts mgmt, ctl, and data packets */
960 struct traffic_stats {
963 } tx_stats[3], rx_stats[3];
965 struct iwl_power_mgr power_data;
967 struct iwl_notif_statistics statistics;
968 unsigned long last_statistics_time;
970 /* context information */
977 u8 mac_addr[ETH_ALEN];
979 /*station table variables */
982 struct iwl_station_entry stations[IWL_STATION_COUNT];
983 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
986 unsigned long ucode_key_table;
988 /* Indication if ieee80211_ops->open has been called */
991 u8 mac80211_registered;
993 /* Rx'd packet timing information */
994 u32 last_beacon_time;
999 struct iwl_eeprom_calib_info *calib_info;
1001 enum nl80211_iftype iw_mode;
1003 struct sk_buff *ibss_beacon;
1005 /* Last Rx'd beacon timestamp */
1008 struct ieee80211_vif *vif;
1012 dma_addr_t shared_phys;
1014 struct iwl_hw_params hw_params;
1017 /* Current association information needed to configure the
1020 u16 assoc_capability;
1022 struct iwl_qos_info qos_data;
1024 struct workqueue_struct *workqueue;
1026 struct work_struct up;
1027 struct work_struct restart;
1028 struct work_struct calibrated_work;
1029 struct work_struct scan_completed;
1030 struct work_struct rx_replenish;
1031 struct work_struct rf_kill;
1032 struct work_struct abort_scan;
1033 struct work_struct update_link_led;
1034 struct work_struct auth_work;
1035 struct work_struct report_work;
1036 struct work_struct request_scan;
1037 struct work_struct beacon_update;
1039 struct tasklet_struct irq_tasklet;
1041 struct delayed_work set_power_save;
1042 struct delayed_work init_alive_start;
1043 struct delayed_work alive_start;
1044 struct delayed_work scan_check;
1047 struct delayed_work thermal_periodic;
1048 struct delayed_work rfkill_poll;
1051 s8 tx_power_user_lmt;
1052 s8 tx_power_channel_lmt;
1055 #if defined(CONFIG_IWLWIFI_DEBUG) || defined(CONFIG_IWL3945_DEBUG)
1056 /* debugging info */
1059 atomic_t restrict_refcnt;
1060 #ifdef CONFIG_IWLWIFI_DEBUGFS
1062 struct iwl_debugfs *dbgfs;
1063 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1064 #endif /* CONFIG_IWLWIFI_DEBUG */
1066 struct work_struct txpower_work;
1067 u32 disable_sens_cal;
1068 u32 disable_chain_noise_cal;
1069 u32 disable_tx_power_cal;
1070 struct work_struct run_time_calib_work;
1071 struct timer_list statistics_periodic;
1074 #define IWL_DEFAULT_TX_POWER 0x0F
1075 /* We declare this const so it can only be
1076 * changed via explicit cast within the
1077 * routines that actually update the physical
1079 const struct iwl3945_rxon_cmd active39_rxon;
1080 struct iwl3945_rxon_cmd staging39_rxon;
1081 struct iwl3945_rxon_cmd recovery39_rxon;
1083 struct iwl3945_notif_statistics statistics_39;
1085 struct iwl3945_station_entry stations_39[IWL_STATION_COUNT];
1088 struct iwl3945_eeprom eeprom39;
1093 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1095 set_bit(txq_id, &priv->txq_ctx_active_msk);
1098 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1100 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1103 #ifdef CONFIG_IWLWIFI_DEBUG
1104 const char *iwl_get_tx_fail_reason(u32 status);
1106 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1110 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1111 int txq_id, int idx)
1113 if (priv->txq[txq_id].txb[idx].skb[0])
1114 return (struct ieee80211_hdr *)priv->txq[txq_id].
1115 txb[idx].skb[0]->data;
1120 static inline int iwl_is_associated(struct iwl_priv *priv)
1122 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1125 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1127 if (ch_info == NULL)
1129 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1132 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1134 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1137 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1139 return ch_info->band == IEEE80211_BAND_5GHZ;
1142 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1144 return ch_info->band == IEEE80211_BAND_2GHZ;
1147 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1149 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1152 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1154 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1157 #endif /* __iwl_dev_h__ */