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;
58 /* CT-KILL constants */
59 #define CT_KILL_THRESHOLD 110 /* in Celsius */
61 /* Default noise level to report when noise measurement is not available.
62 * This may be because we're:
63 * 1) Not associated (4965, no beacon statistics being sent to driver)
64 * 2) Scanning (noise measurement does not apply to associated channel)
65 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
66 * Use default noise value of -127 ... this is below the range of measurable
67 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
68 * Also, -127 works better than 0 when averaging frames with/without
69 * noise info (e.g. averaging might be done in app); measured dBm values are
70 * always negative ... using a negative value as the default keeps all
71 * averages within an s8's (used in some apps) range of negative values. */
72 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
75 * RTS threshold here is total size [2347] minus 4 FCS bytes
77 * a value of 0 means RTS on all data/management packets
78 * a value > max MSDU size means no RTS
79 * else RTS for data/management frames where MPDU is larger
82 #define DEFAULT_RTS_THRESHOLD 2347U
83 #define MIN_RTS_THRESHOLD 0U
84 #define MAX_RTS_THRESHOLD 2347U
85 #define MAX_MSDU_SIZE 2304U
86 #define MAX_MPDU_SIZE 2346U
87 #define DEFAULT_BEACON_INTERVAL 100U
88 #define DEFAULT_SHORT_RETRY_LIMIT 7U
89 #define DEFAULT_LONG_RETRY_LIMIT 4U
91 struct iwl_rx_mem_buffer {
92 dma_addr_t real_dma_addr;
93 dma_addr_t aligned_dma_addr;
95 struct list_head list;
99 * Generic queue structure
101 * Contains common data for Rx and Tx queues
104 int n_bd; /* number of BDs in this queue */
105 int write_ptr; /* 1-st empty entry (index) host_w*/
106 int read_ptr; /* last used entry (index) host_r*/
107 dma_addr_t dma_addr; /* physical addr for BD's */
108 int n_window; /* safe queue window */
110 int low_mark; /* low watermark, resume queue if free
111 * space more than this */
112 int high_mark; /* high watermark, stop queue if free
113 * space less than this */
114 } __attribute__ ((packed));
116 /* One for each TFD */
118 struct sk_buff *skb[IWL_NUM_OF_TBS - 1];
122 * struct iwl_tx_queue - Tx Queue for DMA
123 * @q: generic Rx/Tx queue descriptor
124 * @bd: base of circular buffer of TFDs
125 * @cmd: array of command/Tx buffers
126 * @dma_addr_cmd: physical address of cmd/tx buffer array
127 * @txb: array of per-TFD driver data
128 * @need_update: indicates need to update read/write index
129 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
131 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
132 * descriptors) and required locking structures.
134 struct iwl_tx_queue {
136 struct iwl_tfd *tfds;
137 struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
138 struct iwl_tx_info *txb;
145 #define IWL_NUM_SCAN_RATES (2)
147 struct iwl4965_channel_tgd_info {
152 struct iwl4965_channel_tgh_info {
157 * One for each channel, holds all channel setup data
158 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
161 struct iwl_channel_info {
162 struct iwl4965_channel_tgd_info tgd;
163 struct iwl4965_channel_tgh_info tgh;
164 struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
165 struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
168 u8 channel; /* channel number */
169 u8 flags; /* flags copied from EEPROM */
170 s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
171 s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
172 s8 min_power; /* always 0 */
173 s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
175 u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
176 u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
177 enum ieee80211_band band;
179 /* FAT channel info */
180 s8 fat_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
181 s8 fat_curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) */
182 s8 fat_min_power; /* always 0 */
183 s8 fat_scan_power; /* (dBm) eeprom, direct scans, any rate */
184 u8 fat_flags; /* flags copied from EEPROM */
185 u8 fat_extension_channel; /* HT_IE_EXT_CHANNEL_* */
188 struct iwl4965_clip_group {
189 /* maximum power level to prevent clipping for each rate, derived by
190 * us from this band's saturation power in EEPROM */
191 const s8 clip_powers[IWL_MAX_RATES];
195 #define IWL_TX_FIFO_AC0 0
196 #define IWL_TX_FIFO_AC1 1
197 #define IWL_TX_FIFO_AC2 2
198 #define IWL_TX_FIFO_AC3 3
199 #define IWL_TX_FIFO_HCCA_1 5
200 #define IWL_TX_FIFO_HCCA_2 6
201 #define IWL_TX_FIFO_NONE 7
203 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
204 #define IWL_MIN_NUM_QUEUES 4
206 /* Power management (not Tx power) structures */
213 #define IEEE80211_DATA_LEN 2304
214 #define IEEE80211_4ADDR_LEN 30
215 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
216 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
220 struct ieee80211_hdr frame;
221 struct iwl_tx_beacon_cmd beacon;
222 u8 raw[IEEE80211_FRAME_LEN];
225 struct list_head list;
228 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
229 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
230 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
233 /* CMD_SIZE_NORMAL = 0, */
234 CMD_SIZE_HUGE = (1 << 0),
236 CMD_ASYNC = (1 << 1),
237 /* CMD_NO_SKB = 0, */
238 CMD_WANT_SKB = (1 << 2),
244 struct iwl_cmd_meta {
245 struct iwl_cmd_meta *source;
248 int (*callback)(struct iwl_priv *priv,
249 struct iwl_cmd *cmd, struct sk_buff *skb);
250 } __attribute__ ((packed)) u;
252 /* The CMD_SIZE_HUGE flag bit indicates that the command
253 * structure is stored at the end of the shared queue memory. */
255 DECLARE_PCI_UNMAP_ADDR(mapping)
256 DECLARE_PCI_UNMAP_LEN(len)
257 } __attribute__ ((packed));
259 #define IWL_CMD_MAX_PAYLOAD 320
264 * For allocation of the command and tx queues, this establishes the overall
265 * size of the largest command we send to uCode, except for a scan command
266 * (which is relatively huge; space is allocated separately).
269 struct iwl_cmd_meta meta; /* driver data */
270 struct iwl_cmd_header hdr; /* uCode API */
276 struct iwl_tx_cmd tx;
277 u8 payload[IWL_CMD_MAX_PAYLOAD];
278 } __attribute__ ((packed)) cmd;
279 } __attribute__ ((packed));
282 struct iwl_host_cmd {
285 struct iwl_cmd_meta meta;
289 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
290 sizeof(struct iwl_cmd_meta))
293 * RX related structures and functions
295 #define RX_FREE_BUFFERS 64
296 #define RX_LOW_WATERMARK 8
298 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
299 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
300 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
303 * struct iwl_rx_queue - Rx queue
304 * @read: Shared index to newest available Rx buffer
305 * @write: Shared index to oldest written Rx packet
306 * @free_count: Number of pre-allocated buffers in rx_free
307 * @rx_free: list of free SKBs for use
308 * @rx_used: List of Rx buffers with no SKB
309 * @need_update: flag to indicate we need to update read/write index
311 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
313 struct iwl_rx_queue {
316 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
317 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
321 struct list_head rx_free;
322 struct list_head rx_used;
324 struct iwl_rb_status *rb_stts;
325 dma_addr_t rb_stts_dma;
329 #define IWL_SUPPORTED_RATES_IE_LEN 8
331 #define SCAN_INTERVAL 100
333 #define MAX_A_CHANNELS 252
334 #define MIN_A_CHANNELS 7
336 #define MAX_B_CHANNELS 14
337 #define MIN_B_CHANNELS 1
339 #define MAX_TID_COUNT 9
341 #define IWL_INVALID_RATE 0xFF
342 #define IWL_INVALID_VALUE -1
345 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
346 * @txq_id: Tx queue used for Tx attempt
347 * @frame_count: # frames attempted by Tx command
348 * @wait_for_ba: Expect block-ack before next Tx reply
349 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
350 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
351 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
352 * @rate_n_flags: Rate at which Tx was attempted
354 * If REPLY_TX indicates that aggregation was attempted, driver must wait
355 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
356 * until block ack arrives.
365 #define IWL_AGG_OFF 0
367 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
368 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
373 struct iwl_tid_data {
376 struct iwl_ht_agg agg;
380 enum ieee80211_key_alg alg;
386 union iwl4965_ht_rate_supp {
394 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
395 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
396 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
399 /* self configuration data */
401 u8 supported_chan_width;
404 u8 sgf; /* HT_SHORT_GI_* short guard interval */
408 struct ieee80211_mcs_info mcs;
409 /* BSS related data */
410 u8 extension_chan_offset;
413 u8 non_GF_STA_present;
416 union iwl_qos_capabity {
418 u8 edca_count:4; /* bit 0-3 */
419 u8 q_ack:1; /* bit 4 */
420 u8 queue_request:1; /* bit 5 */
421 u8 txop_request:1; /* bit 6 */
422 u8 reserved:1; /* bit 7 */
425 u8 acvo_APSD:1; /* bit 0 */
426 u8 acvi_APSD:1; /* bit 1 */
427 u8 ac_bk_APSD:1; /* bit 2 */
428 u8 ac_be_APSD:1; /* bit 3 */
429 u8 q_ack:1; /* bit 4 */
430 u8 max_len:2; /* bit 5-6 */
431 u8 more_data_ack:1; /* bit 7 */
437 struct iwl_qos_info {
440 union iwl_qos_capabity qos_cap;
441 struct iwl_qosparam_cmd def_qos_parm;
444 #define STA_PS_STATUS_WAKE 0
445 #define STA_PS_STATUS_SLEEP 1
447 struct iwl_station_entry {
448 struct iwl_addsta_cmd sta;
449 struct iwl_tid_data tid[MAX_TID_COUNT];
452 struct iwl_hw_key keyinfo;
455 /* one for each uCode image (inst/data, boot/init/runtime) */
457 void *v_addr; /* access by driver */
458 dma_addr_t p_addr; /* access by card's busmaster DMA */
462 /* uCode file layout */
464 __le32 ver; /* major/minor/subminor */
465 __le32 inst_size; /* bytes of runtime instructions */
466 __le32 data_size; /* bytes of runtime data */
467 __le32 init_size; /* bytes of initialization instructions */
468 __le32 init_data_size; /* bytes of initialization data */
469 __le32 boot_size; /* bytes of bootstrap instructions */
470 u8 data[0]; /* data in same order as "size" elements */
473 struct iwl4965_ibss_seq {
477 unsigned long packet_time;
478 struct list_head list;
481 struct iwl_sensitivity_ranges {
488 u16 auto_corr_min_ofdm;
489 u16 auto_corr_min_ofdm_mrc;
490 u16 auto_corr_min_ofdm_x1;
491 u16 auto_corr_min_ofdm_mrc_x1;
493 u16 auto_corr_max_ofdm;
494 u16 auto_corr_max_ofdm_mrc;
495 u16 auto_corr_max_ofdm_x1;
496 u16 auto_corr_max_ofdm_mrc_x1;
498 u16 auto_corr_max_cck;
499 u16 auto_corr_max_cck_mrc;
500 u16 auto_corr_min_cck;
501 u16 auto_corr_min_cck_mrc;
505 #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
508 * struct iwl_hw_params
509 * @max_txq_num: Max # Tx queues supported
510 * @tx/rx_chains_num: Number of TX/RX chains
511 * @valid_tx/rx_ant: usable antennas
512 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
513 * @max_rxq_log: Log-base-2 of max_rxq_size
514 * @rx_buf_size: Rx buffer size
517 * @fat_channel: is 40MHz width possible in band 2.4
518 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
519 * @sw_crypto: 0 for hw, 1 for sw
520 * @max_xxx_size: for ucode uses
521 * @ct_kill_threshold: temperature threshold
522 * @calib_init_cfg: setup initial calibrations for the hw
523 * @struct iwl_sensitivity_ranges: range of sensitivity values
525 struct iwl_hw_params {
542 u32 ct_kill_threshold; /* value in hw-dependent units */
544 const struct iwl_sensitivity_ranges *sens;
547 #define HT_SHORT_GI_20MHZ (1 << 0)
548 #define HT_SHORT_GI_40MHZ (1 << 1)
551 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
552 x->u.rx_frame.stats.payload + \
553 x->u.rx_frame.stats.phy_count))
554 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
555 IWL_RX_HDR(x)->payload + \
556 le16_to_cpu(IWL_RX_HDR(x)->len)))
557 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
558 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
560 /******************************************************************************
562 * Functions implemented in core module which are forward declared here
563 * for use by iwl-[4-5].c
565 * NOTE: The implementation of these functions are not hardware specific
566 * which is why they are in the core module files.
568 * Naming convention --
569 * iwl_ <-- Is part of iwlwifi
570 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
571 * iwl4965_bg_ <-- Called from work queue context
572 * iwl4965_mac_ <-- mac80211 callback
574 ****************************************************************************/
575 struct iwl_addsta_cmd;
576 extern int iwl_send_add_sta(struct iwl_priv *priv,
577 struct iwl_addsta_cmd *sta, u8 flags);
578 extern u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr,
579 int is_ap, u8 flags, struct ieee80211_sta_ht_cap *ht_info);
580 extern void iwl_update_chain_flags(struct iwl_priv *priv);
581 extern int iwl_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
582 extern const u8 iwl_bcast_addr[ETH_ALEN];
583 extern int iwl_rxq_stop(struct iwl_priv *priv);
584 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
585 extern int iwl_queue_space(const struct iwl_queue *q);
586 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
588 return q->write_ptr > q->read_ptr ?
589 (i >= q->read_ptr && i < q->write_ptr) :
590 !(i < q->read_ptr && i >= q->write_ptr);
594 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
596 /* This is for scan command, the big buffer at end of command array */
598 return q->n_window; /* must be power of 2 */
600 /* Otherwise, use normal size buffers */
601 return index & (q->n_window - 1);
608 /* Structures, enum, and defines specific to the 4965 */
610 #define IWL_KW_SIZE 0x1000 /*4k */
618 #define IWL_CHANNEL_WIDTH_20MHZ 0
619 #define IWL_CHANNEL_WIDTH_40MHZ 1
621 #define IWL_OPERATION_MODE_AUTO 0
622 #define IWL_OPERATION_MODE_HT_ONLY 1
623 #define IWL_OPERATION_MODE_MIXED 2
624 #define IWL_OPERATION_MODE_20MHZ 3
626 #define IWL_TX_CRC_SIZE 4
627 #define IWL_TX_DELIMITER_SIZE 4
629 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
631 /* Sensitivity and chain noise calibration */
632 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
633 #define INITIALIZATION_VALUE 0xFFFF
634 #define CAL_NUM_OF_BEACONS 20
635 #define MAXIMUM_ALLOWED_PATHLOSS 15
637 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
639 #define MAX_FA_OFDM 50
640 #define MIN_FA_OFDM 5
641 #define MAX_FA_CCK 50
644 #define AUTO_CORR_STEP_OFDM 1
646 #define AUTO_CORR_STEP_CCK 3
647 #define AUTO_CORR_MAX_TH_CCK 160
650 #define NRG_STEP_CCK 2
652 #define MAX_NUMBER_CCK_NO_FA 100
654 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
659 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
660 #define ALL_BAND_FILTER 0xFF00
661 #define IN_BAND_FILTER 0xFF
662 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
664 #define NRG_NUM_PREV_STAT_L 20
665 #define NUM_RX_CHAINS 3
667 enum iwl4965_false_alarm_state {
670 IWL_FA_GOOD_RANGE = 2,
673 enum iwl4965_chain_noise_state {
674 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
675 IWL_CHAIN_NOISE_ACCUMULATE,
676 IWL_CHAIN_NOISE_CALIBRATED,
677 IWL_CHAIN_NOISE_DONE,
680 enum iwl4965_calib_enabled_state {
681 IWL_CALIB_DISABLED = 0, /* must be 0 */
682 IWL_CALIB_ENABLED = 1,
685 struct statistics_general_data {
686 u32 beacon_silence_rssi_a;
687 u32 beacon_silence_rssi_b;
688 u32 beacon_silence_rssi_c;
697 * defines the order in which results of initial calibrations
698 * should be sent to the runtime uCode
704 IWL_CALIB_TX_IQ_PERD,
708 /* Opaque calibration results */
709 struct iwl_calib_result {
720 /* Sensitivity calib data */
721 struct iwl_sensitivity_data {
723 u32 auto_corr_ofdm_mrc;
724 u32 auto_corr_ofdm_x1;
725 u32 auto_corr_ofdm_mrc_x1;
727 u32 auto_corr_cck_mrc;
729 u32 last_bad_plcp_cnt_ofdm;
730 u32 last_fa_cnt_ofdm;
731 u32 last_bad_plcp_cnt_cck;
737 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
742 s32 nrg_auto_corr_silence_diff;
743 u32 num_in_cck_no_fa;
747 /* Chain noise (differential Rx gain) calib data */
748 struct iwl_chain_noise_data {
757 u8 disconn_array[NUM_RX_CHAINS];
758 u8 delta_gain_code[NUM_RX_CHAINS];
763 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
764 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
768 MEASUREMENT_READY = (1 << 0),
769 MEASUREMENT_ACTIVE = (1 << 1),
773 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
777 /* ieee device used by generic ieee processing code */
778 struct ieee80211_hw *hw;
779 struct ieee80211_channel *ieee_channels;
780 struct ieee80211_rate *ieee_rates;
783 /* temporary frame storage list */
784 struct list_head free_frames;
787 enum ieee80211_band band;
790 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
791 struct iwl_rx_mem_buffer *rxb);
793 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
795 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
796 /* spectrum measurement report caching */
797 struct iwl4965_spectrum_notification measure_report;
798 u8 measurement_status;
800 /* ucode beacon time */
801 u32 ucode_beacon_time;
803 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
804 * Access via channel # using indirect index array */
805 struct iwl_channel_info *channel_info; /* channel info array */
806 u8 channel_count; /* # of channels */
808 /* each calibration channel group in the EEPROM has a derived
809 * clip setting for each rate. */
810 const struct iwl4965_clip_group clip_groups[5];
812 /* thermal calibration */
813 s32 temperature; /* degrees Kelvin */
814 s32 last_temperature;
816 /* init calibration results */
817 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
819 /* Scan related variables */
820 unsigned long last_scan_jiffies;
821 unsigned long next_scan_jiffies;
822 unsigned long scan_start;
823 unsigned long scan_pass_start;
824 unsigned long scan_start_tsf;
825 struct iwl_scan_cmd *scan;
829 u8 direct_ssid[IW_ESSID_MAX_SIZE];
830 u8 scan_tx_ant[IEEE80211_NUM_BANDS];
834 spinlock_t lock; /* protect general shared data */
835 spinlock_t hcmd_lock; /* protect hcmd */
838 /* basic pci-network driver stuff */
839 struct pci_dev *pci_dev;
841 /* pci hardware address support */
842 void __iomem *hw_base;
847 /* uCode images, save to reload in case of failure */
848 struct fw_desc ucode_code; /* runtime inst */
849 struct fw_desc ucode_data; /* runtime data original */
850 struct fw_desc ucode_data_backup; /* runtime data save/restore */
851 struct fw_desc ucode_init; /* initialization inst */
852 struct fw_desc ucode_init_data; /* initialization data */
853 struct fw_desc ucode_boot; /* bootstrap inst */
854 enum ucode_type ucode_type;
855 u8 ucode_write_complete; /* the image write is complete */
858 struct iwl_rxon_time_cmd rxon_timing;
860 /* We declare this const so it can only be
861 * changed via explicit cast within the
862 * routines that actually update the physical
864 const struct iwl_rxon_cmd active_rxon;
865 struct iwl_rxon_cmd staging_rxon;
867 int error_recovering;
868 struct iwl_rxon_cmd recovery_rxon;
870 /* 1st responses from initialize and runtime uCode images.
871 * 4965's initialize alive response contains some calibration data. */
872 struct iwl_init_alive_resp card_alive_init;
873 struct iwl_alive_resp card_alive;
874 #ifdef CONFIG_IWLWIFI_RFKILL
875 struct rfkill *rfkill;
878 #ifdef CONFIG_IWLWIFI_LEDS
879 struct iwl_led led[IWL_LED_TRG_MAX];
880 unsigned long last_blink_time;
887 u16 active_rate_basic;
889 u8 assoc_station_added;
891 struct iwl_sensitivity_data sensitivity_data;
892 struct iwl_chain_noise_data chain_noise_data;
893 __le16 sensitivity_tbl[HD_TABLE_SIZE];
895 struct iwl_ht_info current_ht_config;
896 u8 last_phy_res[100];
898 /* Rate scaling data */
902 wait_queue_head_t wait_command_queue;
904 int activity_timer_active;
906 /* Rx and Tx DMA processing queues */
907 struct iwl_rx_queue rxq;
908 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
909 unsigned long txq_ctx_active_msk;
910 struct iwl_kw kw; /* keep warm address */
911 u32 scd_base_addr; /* scheduler sram base address */
913 unsigned long status;
915 int last_rx_rssi; /* From Rx packet statistics */
916 int last_rx_noise; /* From beacon statistics */
918 /* counts mgmt, ctl, and data packets */
919 struct traffic_stats {
922 } tx_stats[3], rx_stats[3];
924 struct iwl_power_mgr power_data;
926 struct iwl_notif_statistics statistics;
927 unsigned long last_statistics_time;
929 /* context information */
936 u8 mac_addr[ETH_ALEN];
938 /*station table variables */
941 struct iwl_station_entry stations[IWL_STATION_COUNT];
942 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
945 unsigned long ucode_key_table;
947 /* Indication if ieee80211_ops->open has been called */
950 u8 mac80211_registered;
952 /* Rx'd packet timing information */
953 u32 last_beacon_time;
958 struct iwl_eeprom_calib_info *calib_info;
960 enum nl80211_iftype iw_mode;
962 struct sk_buff *ibss_beacon;
964 /* Last Rx'd beacon timestamp */
967 struct ieee80211_vif *vif;
969 struct iwl_hw_params hw_params;
970 /* driver/uCode shared Tx Byte Counts */
972 /* Physical Pointer to Tx Byte Counts */
973 dma_addr_t shared_phys;
975 /* Current association information needed to configure the
978 u16 assoc_capability;
980 struct iwl_qos_info qos_data;
982 struct workqueue_struct *workqueue;
984 struct work_struct up;
985 struct work_struct restart;
986 struct work_struct calibrated_work;
987 struct work_struct scan_completed;
988 struct work_struct rx_replenish;
989 struct work_struct rf_kill;
990 struct work_struct abort_scan;
991 struct work_struct update_link_led;
992 struct work_struct auth_work;
993 struct work_struct report_work;
994 struct work_struct request_scan;
995 struct work_struct beacon_update;
996 struct work_struct set_monitor;
998 struct tasklet_struct irq_tasklet;
1000 struct delayed_work set_power_save;
1001 struct delayed_work init_alive_start;
1002 struct delayed_work alive_start;
1003 struct delayed_work scan_check;
1005 s8 tx_power_user_lmt;
1006 s8 tx_power_channel_lmt;
1012 #ifdef CONFIG_IWLWIFI_DEBUG
1013 /* debugging info */
1016 atomic_t restrict_refcnt;
1017 #ifdef CONFIG_IWLWIFI_DEBUGFS
1019 struct iwl_debugfs *dbgfs;
1020 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1021 #endif /* CONFIG_IWLWIFI_DEBUG */
1023 struct work_struct txpower_work;
1024 u32 disable_sens_cal;
1025 u32 disable_chain_noise_cal;
1026 u32 disable_tx_power_cal;
1027 struct work_struct run_time_calib_work;
1028 struct timer_list statistics_periodic;
1031 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1033 set_bit(txq_id, &priv->txq_ctx_active_msk);
1036 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1038 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1041 #ifdef CONFIG_IWLWIFI_DEBUG
1042 const char *iwl_get_tx_fail_reason(u32 status);
1044 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1048 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1049 int txq_id, int idx)
1051 if (priv->txq[txq_id].txb[idx].skb[0])
1052 return (struct ieee80211_hdr *)priv->txq[txq_id].
1053 txb[idx].skb[0]->data;
1058 static inline int iwl_is_associated(struct iwl_priv *priv)
1060 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1063 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1065 if (ch_info == NULL)
1067 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1070 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1072 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1075 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1077 return ch_info->band == IEEE80211_BAND_5GHZ;
1080 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1082 return ch_info->band == IEEE80211_BAND_2GHZ;
1085 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1087 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1090 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1092 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1095 #ifdef CONFIG_IWLWIFI_DEBUG
1096 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1099 if (!(priv->debug_level & level))
1102 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1106 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1112 extern const struct iwl_channel_info *iwl_get_channel_info(
1113 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1115 /* Requires full declaration of iwl_priv before including */
1117 #endif /* __iwl_dev_h__ */