1 /******************************************************************************
3 * Copyright(c) 2003 - 2008 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 * James P. Ketrenos <ipw2100-admin@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 #define DRV_NAME "iwlagn"
40 #include "iwl-rfkill.h"
41 #include "iwl-eeprom.h"
42 #include "iwl-4965-hw.h"
45 #include "iwl-debug.h"
47 #include "iwl-power.h"
48 #include "iwl-agn-rs.h"
50 /* configuration for the iwl4965 */
51 extern struct iwl_cfg iwl4965_agn_cfg;
52 extern struct iwl_cfg iwl5300_agn_cfg;
53 extern struct iwl_cfg iwl5100_agn_cfg;
54 extern struct iwl_cfg iwl5350_agn_cfg;
55 extern struct iwl_cfg iwl5100_bg_cfg;
56 extern struct iwl_cfg iwl5100_abg_cfg;
57 extern struct iwl_cfg iwl5150_agn_cfg;
59 /* CT-KILL constants */
60 #define CT_KILL_THRESHOLD 110 /* in Celsius */
62 /* Default noise level to report when noise measurement is not available.
63 * This may be because we're:
64 * 1) Not associated (4965, no beacon statistics being sent to driver)
65 * 2) Scanning (noise measurement does not apply to associated channel)
66 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
67 * Use default noise value of -127 ... this is below the range of measurable
68 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
69 * Also, -127 works better than 0 when averaging frames with/without
70 * noise info (e.g. averaging might be done in app); measured dBm values are
71 * always negative ... using a negative value as the default keeps all
72 * averages within an s8's (used in some apps) range of negative values. */
73 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
76 * RTS threshold here is total size [2347] minus 4 FCS bytes
78 * a value of 0 means RTS on all data/management packets
79 * a value > max MSDU size means no RTS
80 * else RTS for data/management frames where MPDU is larger
83 #define DEFAULT_RTS_THRESHOLD 2347U
84 #define MIN_RTS_THRESHOLD 0U
85 #define MAX_RTS_THRESHOLD 2347U
86 #define MAX_MSDU_SIZE 2304U
87 #define MAX_MPDU_SIZE 2346U
88 #define DEFAULT_BEACON_INTERVAL 100U
89 #define DEFAULT_SHORT_RETRY_LIMIT 7U
90 #define DEFAULT_LONG_RETRY_LIMIT 4U
92 struct iwl_rx_mem_buffer {
93 dma_addr_t real_dma_addr;
94 dma_addr_t aligned_dma_addr;
96 struct list_head list;
100 * Generic queue structure
102 * Contains common data for Rx and Tx queues
105 int n_bd; /* number of BDs in this queue */
106 int write_ptr; /* 1-st empty entry (index) host_w*/
107 int read_ptr; /* last used entry (index) host_r*/
108 dma_addr_t dma_addr; /* physical addr for BD's */
109 int n_window; /* safe queue window */
111 int low_mark; /* low watermark, resume queue if free
112 * space more than this */
113 int high_mark; /* high watermark, stop queue if free
114 * space less than this */
115 } __attribute__ ((packed));
117 /* One for each TFD */
119 struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
123 * struct iwl_tx_queue - Tx Queue for DMA
124 * @q: generic Rx/Tx queue descriptor
125 * @bd: base of circular buffer of TFDs
126 * @cmd: array of command/Tx buffers
127 * @dma_addr_cmd: physical address of cmd/tx buffer array
128 * @txb: array of per-TFD driver data
129 * @need_update: indicates need to update read/write index
130 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
132 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
133 * descriptors) and required locking structures.
135 struct iwl_tx_queue {
137 struct iwl_tfd *tfds;
138 struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
139 struct iwl_tx_info *txb;
146 #define IWL_NUM_SCAN_RATES (2)
148 struct iwl4965_channel_tgd_info {
153 struct iwl4965_channel_tgh_info {
158 * One for each channel, holds all channel setup data
159 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
162 struct iwl_channel_info {
163 struct iwl4965_channel_tgd_info tgd;
164 struct iwl4965_channel_tgh_info tgh;
165 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
166 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
169 u8 channel; /* channel number */
170 u8 flags; /* flags copied from EEPROM */
171 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
172 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
173 s8 min_power; /* always 0 */
174 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
176 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
177 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
178 enum ieee80211_band band;
180 /* FAT channel info */
181 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
182 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
183 s8 fat_min_power; /* always 0 */
184 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
185 u8 fat_flags; /* flags copied from EEPROM */
186 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
189 struct iwl4965_clip_group {
190 /* maximum power level to prevent clipping for each rate, derived by
191 * us from this band's saturation power in EEPROM */
192 const s8 clip_powers[IWL_MAX_RATES];
196 #define IWL_TX_FIFO_AC0 0
197 #define IWL_TX_FIFO_AC1 1
198 #define IWL_TX_FIFO_AC2 2
199 #define IWL_TX_FIFO_AC3 3
200 #define IWL_TX_FIFO_HCCA_1 5
201 #define IWL_TX_FIFO_HCCA_2 6
202 #define IWL_TX_FIFO_NONE 7
204 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
205 #define IWL_MIN_NUM_QUEUES 4
207 /* Power management (not Tx power) structures */
214 #define IEEE80211_DATA_LEN 2304
215 #define IEEE80211_4ADDR_LEN 30
216 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
217 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
221 struct ieee80211_hdr frame;
222 struct iwl_tx_beacon_cmd beacon;
223 u8 raw[IEEE80211_FRAME_LEN];
226 struct list_head list;
229 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
230 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
231 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
234 /* CMD_SIZE_NORMAL = 0, */
235 CMD_SIZE_HUGE = (1 << 0),
237 CMD_ASYNC = (1 << 1),
238 /* CMD_NO_SKB = 0, */
239 CMD_WANT_SKB = (1 << 2),
245 struct iwl_cmd_meta {
246 struct iwl_cmd_meta *source;
249 int (*callback)(struct iwl_priv *priv,
250 struct iwl_cmd *cmd, struct sk_buff *skb);
251 } __attribute__ ((packed)) u;
253 /* The CMD_SIZE_HUGE flag bit indicates that the command
254 * structure is stored at the end of the shared queue memory. */
256 DECLARE_PCI_UNMAP_ADDR(mapping)
257 DECLARE_PCI_UNMAP_LEN(len)
258 } __attribute__ ((packed));
260 #define IWL_CMD_MAX_PAYLOAD 320
265 * For allocation of the command and tx queues, this establishes the overall
266 * size of the largest command we send to uCode, except for a scan command
267 * (which is relatively huge; space is allocated separately).
270 struct iwl_cmd_meta meta; /* driver data */
271 struct iwl_cmd_header hdr; /* uCode API */
277 struct iwl_tx_cmd tx;
278 u8 payload[IWL_CMD_MAX_PAYLOAD];
279 } __attribute__ ((packed)) cmd;
280 } __attribute__ ((packed));
283 struct iwl_host_cmd {
286 struct iwl_cmd_meta meta;
290 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
291 sizeof(struct iwl_cmd_meta))
294 * RX related structures and functions
296 #define RX_FREE_BUFFERS 64
297 #define RX_LOW_WATERMARK 8
299 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
300 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
301 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
304 * struct iwl_rx_queue - Rx queue
305 * @read: Shared index to newest available Rx buffer
306 * @write: Shared index to oldest written Rx packet
307 * @free_count: Number of pre-allocated buffers in rx_free
308 * @rx_free: list of free SKBs for use
309 * @rx_used: List of Rx buffers with no SKB
310 * @need_update: flag to indicate we need to update read/write index
312 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
314 struct iwl_rx_queue {
317 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
318 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
322 struct list_head rx_free;
323 struct list_head rx_used;
325 struct iwl_rb_status *rb_stts;
326 dma_addr_t rb_stts_dma;
330 #define IWL_SUPPORTED_RATES_IE_LEN 8
332 #define SCAN_INTERVAL 100
334 #define MAX_A_CHANNELS 252
335 #define MIN_A_CHANNELS 7
337 #define MAX_B_CHANNELS 14
338 #define MIN_B_CHANNELS 1
340 #define MAX_TID_COUNT 9
342 #define IWL_INVALID_RATE 0xFF
343 #define IWL_INVALID_VALUE -1
346 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
347 * @txq_id: Tx queue used for Tx attempt
348 * @frame_count: # frames attempted by Tx command
349 * @wait_for_ba: Expect block-ack before next Tx reply
350 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
351 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
352 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
353 * @rate_n_flags: Rate at which Tx was attempted
355 * If REPLY_TX indicates that aggregation was attempted, driver must wait
356 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
357 * until block ack arrives.
366 #define IWL_AGG_OFF 0
368 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
369 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
374 struct iwl_tid_data {
377 struct iwl_ht_agg agg;
381 enum ieee80211_key_alg alg;
387 union iwl4965_ht_rate_supp {
395 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
396 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
397 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
400 /* self configuration data */
402 u8 supported_chan_width;
405 u8 sgf; /* HT_SHORT_GI_* short guard interval */
409 struct ieee80211_mcs_info mcs;
410 /* BSS related data */
411 u8 extension_chan_offset;
414 u8 non_GF_STA_present;
417 union iwl_qos_capabity {
419 u8 edca_count:4; /* bit 0-3 */
420 u8 q_ack:1; /* bit 4 */
421 u8 queue_request:1; /* bit 5 */
422 u8 txop_request:1; /* bit 6 */
423 u8 reserved:1; /* bit 7 */
426 u8 acvo_APSD:1; /* bit 0 */
427 u8 acvi_APSD:1; /* bit 1 */
428 u8 ac_bk_APSD:1; /* bit 2 */
429 u8 ac_be_APSD:1; /* bit 3 */
430 u8 q_ack:1; /* bit 4 */
431 u8 max_len:2; /* bit 5-6 */
432 u8 more_data_ack:1; /* bit 7 */
438 struct iwl_qos_info {
441 union iwl_qos_capabity qos_cap;
442 struct iwl_qosparam_cmd def_qos_parm;
445 #define STA_PS_STATUS_WAKE 0
446 #define STA_PS_STATUS_SLEEP 1
448 struct iwl_station_entry {
449 struct iwl_addsta_cmd sta;
450 struct iwl_tid_data tid[MAX_TID_COUNT];
453 struct iwl_hw_key keyinfo;
456 /* one for each uCode image (inst/data, boot/init/runtime) */
458 void *v_addr; /* access by driver */
459 dma_addr_t p_addr; /* access by card's busmaster DMA */
463 /* uCode file layout */
465 __le32 ver; /* major/minor/API/serial */
466 __le32 inst_size; /* bytes of runtime instructions */
467 __le32 data_size; /* bytes of runtime data */
468 __le32 init_size; /* bytes of initialization instructions */
469 __le32 init_data_size; /* bytes of initialization data */
470 __le32 boot_size; /* bytes of bootstrap instructions */
471 u8 data[0]; /* data in same order as "size" elements */
474 struct iwl4965_ibss_seq {
478 unsigned long packet_time;
479 struct list_head list;
482 struct iwl_sensitivity_ranges {
489 u16 auto_corr_min_ofdm;
490 u16 auto_corr_min_ofdm_mrc;
491 u16 auto_corr_min_ofdm_x1;
492 u16 auto_corr_min_ofdm_mrc_x1;
494 u16 auto_corr_max_ofdm;
495 u16 auto_corr_max_ofdm_mrc;
496 u16 auto_corr_max_ofdm_x1;
497 u16 auto_corr_max_ofdm_mrc_x1;
499 u16 auto_corr_max_cck;
500 u16 auto_corr_max_cck_mrc;
501 u16 auto_corr_min_cck;
502 u16 auto_corr_min_cck_mrc;
506 #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
509 * struct iwl_hw_params
510 * @max_txq_num: Max # Tx queues supported
511 * @dma_chnl_num: Number of Tx DMA/FIFO channels
512 * @scd_bc_tbls_size: size of scheduler byte count tables
513 * @tx/rx_chains_num: Number of TX/RX chains
514 * @valid_tx/rx_ant: usable antennas
515 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
516 * @max_rxq_log: Log-base-2 of max_rxq_size
517 * @rx_buf_size: Rx buffer size
520 * @fat_channel: is 40MHz width possible in band 2.4
521 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
522 * @sw_crypto: 0 for hw, 1 for sw
523 * @max_xxx_size: for ucode uses
524 * @ct_kill_threshold: temperature threshold
525 * @calib_init_cfg: setup initial calibrations for the hw
526 * @struct iwl_sensitivity_ranges: range of sensitivity values
528 struct iwl_hw_params {
531 u16 scd_bc_tbls_size;
547 u32 ct_kill_threshold; /* value in hw-dependent units */
549 const struct iwl_sensitivity_ranges *sens;
552 #define HT_SHORT_GI_20MHZ (1 << 0)
553 #define HT_SHORT_GI_40MHZ (1 << 1)
556 /******************************************************************************
558 * Functions implemented in core module which are forward declared here
559 * for use by iwl-[4-5].c
561 * NOTE: The implementation of these functions are not hardware specific
562 * which is why they are in the core module files.
564 * Naming convention --
565 * iwl_ <-- Is part of iwlwifi
566 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
567 * iwl4965_bg_ <-- Called from work queue context
568 * iwl4965_mac_ <-- mac80211 callback
570 ****************************************************************************/
571 extern void iwl_update_chain_flags(struct iwl_priv *priv);
572 extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
573 extern const u8 iwl_bcast_addr[ETH_ALEN];
574 extern int iwl_rxq_stop(struct iwl_priv *priv);
575 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
576 extern int iwl_queue_space(const struct iwl_queue *q);
577 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
579 return q->write_ptr > q->read_ptr ?
580 (i >= q->read_ptr && i < q->write_ptr) :
581 !(i < q->read_ptr && i >= q->write_ptr);
585 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
587 /* This is for scan command, the big buffer at end of command array */
589 return q->n_window; /* must be power of 2 */
591 /* Otherwise, use normal size buffers */
592 return index & (q->n_window - 1);
605 #define IWL_CHANNEL_WIDTH_20MHZ 0
606 #define IWL_CHANNEL_WIDTH_40MHZ 1
608 #define IWL_OPERATION_MODE_AUTO 0
609 #define IWL_OPERATION_MODE_HT_ONLY 1
610 #define IWL_OPERATION_MODE_MIXED 2
611 #define IWL_OPERATION_MODE_20MHZ 3
613 #define IWL_TX_CRC_SIZE 4
614 #define IWL_TX_DELIMITER_SIZE 4
616 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
618 /* Sensitivity and chain noise calibration */
619 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
620 #define INITIALIZATION_VALUE 0xFFFF
621 #define CAL_NUM_OF_BEACONS 20
622 #define MAXIMUM_ALLOWED_PATHLOSS 15
624 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
626 #define MAX_FA_OFDM 50
627 #define MIN_FA_OFDM 5
628 #define MAX_FA_CCK 50
631 #define AUTO_CORR_STEP_OFDM 1
633 #define AUTO_CORR_STEP_CCK 3
634 #define AUTO_CORR_MAX_TH_CCK 160
637 #define NRG_STEP_CCK 2
639 #define MAX_NUMBER_CCK_NO_FA 100
641 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
646 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
647 #define ALL_BAND_FILTER 0xFF00
648 #define IN_BAND_FILTER 0xFF
649 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
651 #define NRG_NUM_PREV_STAT_L 20
652 #define NUM_RX_CHAINS 3
654 enum iwl4965_false_alarm_state {
657 IWL_FA_GOOD_RANGE = 2,
660 enum iwl4965_chain_noise_state {
661 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
662 IWL_CHAIN_NOISE_ACCUMULATE,
663 IWL_CHAIN_NOISE_CALIBRATED,
664 IWL_CHAIN_NOISE_DONE,
667 enum iwl4965_calib_enabled_state {
668 IWL_CALIB_DISABLED = 0, /* must be 0 */
669 IWL_CALIB_ENABLED = 1,
672 struct statistics_general_data {
673 u32 beacon_silence_rssi_a;
674 u32 beacon_silence_rssi_b;
675 u32 beacon_silence_rssi_c;
684 * defines the order in which results of initial calibrations
685 * should be sent to the runtime uCode
692 IWL_CALIB_TX_IQ_PERD,
697 /* Opaque calibration results */
698 struct iwl_calib_result {
709 /* Sensitivity calib data */
710 struct iwl_sensitivity_data {
712 u32 auto_corr_ofdm_mrc;
713 u32 auto_corr_ofdm_x1;
714 u32 auto_corr_ofdm_mrc_x1;
716 u32 auto_corr_cck_mrc;
718 u32 last_bad_plcp_cnt_ofdm;
719 u32 last_fa_cnt_ofdm;
720 u32 last_bad_plcp_cnt_cck;
726 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
731 s32 nrg_auto_corr_silence_diff;
732 u32 num_in_cck_no_fa;
736 /* Chain noise (differential Rx gain) calib data */
737 struct iwl_chain_noise_data {
746 u8 disconn_array[NUM_RX_CHAINS];
747 u8 delta_gain_code[NUM_RX_CHAINS];
752 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
753 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
757 MEASUREMENT_READY = (1 << 0),
758 MEASUREMENT_ACTIVE = (1 << 1),
762 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
766 /* ieee device used by generic ieee processing code */
767 struct ieee80211_hw *hw;
768 struct ieee80211_channel *ieee_channels;
769 struct ieee80211_rate *ieee_rates;
772 /* temporary frame storage list */
773 struct list_head free_frames;
776 enum ieee80211_band band;
779 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
780 struct iwl_rx_mem_buffer *rxb);
782 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
784 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
785 /* spectrum measurement report caching */
786 struct iwl4965_spectrum_notification measure_report;
787 u8 measurement_status;
789 /* ucode beacon time */
790 u32 ucode_beacon_time;
792 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
793 * Access via channel # using indirect index array */
794 struct iwl_channel_info *channel_info; /* channel info array */
795 u8 channel_count; /* # of channels */
797 /* each calibration channel group in the EEPROM has a derived
798 * clip setting for each rate. */
799 const struct iwl4965_clip_group clip_groups[5];
801 /* thermal calibration */
802 s32 temperature; /* degrees Kelvin */
803 s32 last_temperature;
805 /* init calibration results */
806 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
808 /* Scan related variables */
809 unsigned long last_scan_jiffies;
810 unsigned long next_scan_jiffies;
811 unsigned long scan_start;
812 unsigned long scan_pass_start;
813 unsigned long scan_start_tsf;
814 struct iwl_scan_cmd *scan;
818 u8 direct_ssid[IW_ESSID_MAX_SIZE];
819 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
823 spinlock_t lock; /* protect general shared data */
824 spinlock_t hcmd_lock; /* protect hcmd */
827 /* basic pci-network driver stuff */
828 struct pci_dev *pci_dev;
830 /* pci hardware address support */
831 void __iomem *hw_base;
836 /* uCode images, save to reload in case of failure */
837 u32 ucode_ver; /* version of ucode, copy of
839 struct fw_desc ucode_code; /* runtime inst */
840 struct fw_desc ucode_data; /* runtime data original */
841 struct fw_desc ucode_data_backup; /* runtime data save/restore */
842 struct fw_desc ucode_init; /* initialization inst */
843 struct fw_desc ucode_init_data; /* initialization data */
844 struct fw_desc ucode_boot; /* bootstrap inst */
845 enum ucode_type ucode_type;
846 u8 ucode_write_complete; /* the image write is complete */
849 struct iwl_rxon_time_cmd rxon_timing;
851 /* We declare this const so it can only be
852 * changed via explicit cast within the
853 * routines that actually update the physical
855 const struct iwl_rxon_cmd active_rxon;
856 struct iwl_rxon_cmd staging_rxon;
858 int error_recovering;
859 struct iwl_rxon_cmd recovery_rxon;
861 /* 1st responses from initialize and runtime uCode images.
862 * 4965's initialize alive response contains some calibration data. */
863 struct iwl_init_alive_resp card_alive_init;
864 struct iwl_alive_resp card_alive;
865 #ifdef CONFIG_IWLWIFI_RFKILL
866 struct rfkill *rfkill;
869 #ifdef CONFIG_IWLWIFI_LEDS
870 struct iwl_led led[IWL_LED_TRG_MAX];
871 unsigned long last_blink_time;
878 u16 active_rate_basic;
880 u8 assoc_station_added;
882 struct iwl_sensitivity_data sensitivity_data;
883 struct iwl_chain_noise_data chain_noise_data;
884 __le16 sensitivity_tbl[HD_TABLE_SIZE];
886 struct iwl_ht_info current_ht_config;
887 u8 last_phy_res[100];
889 /* Rate scaling data */
893 wait_queue_head_t wait_command_queue;
895 int activity_timer_active;
897 /* Rx and Tx DMA processing queues */
898 struct iwl_rx_queue rxq;
899 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
900 unsigned long txq_ctx_active_msk;
901 struct iwl_dma_ptr kw; /* keep warm address */
902 struct iwl_dma_ptr scd_bc_tbls;
904 u32 scd_base_addr; /* scheduler sram base address */
906 unsigned long status;
908 int last_rx_rssi; /* From Rx packet statistics */
909 int last_rx_noise; /* From beacon statistics */
911 /* counts mgmt, ctl, and data packets */
912 struct traffic_stats {
915 } tx_stats[3], rx_stats[3];
917 struct iwl_power_mgr power_data;
919 struct iwl_notif_statistics statistics;
920 unsigned long last_statistics_time;
922 /* context information */
929 u8 mac_addr[ETH_ALEN];
931 /*station table variables */
934 struct iwl_station_entry stations[IWL_STATION_COUNT];
935 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
938 unsigned long ucode_key_table;
940 /* Indication if ieee80211_ops->open has been called */
943 u8 mac80211_registered;
945 /* Rx'd packet timing information */
946 u32 last_beacon_time;
951 struct iwl_eeprom_calib_info *calib_info;
953 enum nl80211_iftype iw_mode;
955 struct sk_buff *ibss_beacon;
957 /* Last Rx'd beacon timestamp */
960 struct ieee80211_vif *vif;
962 struct iwl_hw_params hw_params;
965 /* Current association information needed to configure the
968 u16 assoc_capability;
970 struct iwl_qos_info qos_data;
972 struct workqueue_struct *workqueue;
974 struct work_struct up;
975 struct work_struct restart;
976 struct work_struct calibrated_work;
977 struct work_struct scan_completed;
978 struct work_struct rx_replenish;
979 struct work_struct rf_kill;
980 struct work_struct abort_scan;
981 struct work_struct update_link_led;
982 struct work_struct auth_work;
983 struct work_struct report_work;
984 struct work_struct request_scan;
985 struct work_struct beacon_update;
987 struct tasklet_struct irq_tasklet;
989 struct delayed_work set_power_save;
990 struct delayed_work init_alive_start;
991 struct delayed_work alive_start;
992 struct delayed_work scan_check;
994 s8 tx_power_user_lmt;
995 s8 tx_power_channel_lmt;
998 #ifdef CONFIG_IWLWIFI_DEBUG
1002 atomic_t restrict_refcnt;
1003 #ifdef CONFIG_IWLWIFI_DEBUGFS
1005 struct iwl_debugfs *dbgfs;
1006 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1007 #endif /* CONFIG_IWLWIFI_DEBUG */
1009 struct work_struct txpower_work;
1010 u32 disable_sens_cal;
1011 u32 disable_chain_noise_cal;
1012 u32 disable_tx_power_cal;
1013 struct work_struct run_time_calib_work;
1014 struct timer_list statistics_periodic;
1017 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1019 set_bit(txq_id, &priv->txq_ctx_active_msk);
1022 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1024 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1027 #ifdef CONFIG_IWLWIFI_DEBUG
1028 const char *iwl_get_tx_fail_reason(u32 status);
1030 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1034 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1035 int txq_id, int idx)
1037 if (priv->txq[txq_id].txb[idx].skb[0])
1038 return (struct ieee80211_hdr *)priv->txq[txq_id].
1039 txb[idx].skb[0]->data;
1044 static inline int iwl_is_associated(struct iwl_priv *priv)
1046 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1049 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1051 if (ch_info == NULL)
1053 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1056 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1058 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1061 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1063 return ch_info->band == IEEE80211_BAND_5GHZ;
1066 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1068 return ch_info->band == IEEE80211_BAND_2GHZ;
1071 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1073 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1076 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1078 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1081 #endif /* __iwl_dev_h__ */