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 {
94 struct list_head list;
98 * Generic queue structure
100 * Contains common data for Rx and Tx queues
103 int n_bd; /* number of BDs in this queue */
104 int write_ptr; /* 1-st empty entry (index) host_w*/
105 int read_ptr; /* last used entry (index) host_r*/
106 dma_addr_t dma_addr; /* physical addr for BD's */
107 int n_window; /* safe queue window */
109 int low_mark; /* low watermark, resume queue if free
110 * space more than this */
111 int high_mark; /* high watermark, stop queue if free
112 * space less than this */
113 } __attribute__ ((packed));
115 #define MAX_NUM_OF_TBS (20)
117 /* One for each TFD */
119 struct sk_buff *skb[MAX_NUM_OF_TBS];
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_frame *bd;
138 struct iwl_cmd *cmd[TFD_TX_CMD_SLOTS];
139 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. */
256 } __attribute__ ((packed));
258 #define IWL_CMD_MAX_PAYLOAD 320
263 * For allocation of the command and tx queues, this establishes the overall
264 * size of the largest command we send to uCode, except for a scan command
265 * (which is relatively huge; space is allocated separately).
268 struct iwl_cmd_meta meta; /* driver data */
269 struct iwl_cmd_header hdr; /* uCode API */
275 struct iwl_tx_cmd tx;
276 u8 payload[IWL_CMD_MAX_PAYLOAD];
277 } __attribute__ ((packed)) cmd;
278 } __attribute__ ((packed));
281 struct iwl_host_cmd {
284 struct iwl_cmd_meta meta;
288 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
289 sizeof(struct iwl_cmd_meta))
292 * RX related structures and functions
294 #define RX_FREE_BUFFERS 64
295 #define RX_LOW_WATERMARK 8
297 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
298 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
299 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
302 * struct iwl_rx_queue - Rx queue
303 * @processed: Internal index to last handled Rx packet
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];
322 struct list_head rx_free;
323 struct list_head rx_used;
328 #define IWL_SUPPORTED_RATES_IE_LEN 8
330 #define SCAN_INTERVAL 100
332 #define MAX_A_CHANNELS 252
333 #define MIN_A_CHANNELS 7
335 #define MAX_B_CHANNELS 14
336 #define MIN_B_CHANNELS 1
338 #define MAX_TID_COUNT 9
340 #define IWL_INVALID_RATE 0xFF
341 #define IWL_INVALID_VALUE -1
344 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
345 * @txq_id: Tx queue used for Tx attempt
346 * @frame_count: # frames attempted by Tx command
347 * @wait_for_ba: Expect block-ack before next Tx reply
348 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
349 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
350 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
351 * @rate_n_flags: Rate at which Tx was attempted
353 * If REPLY_TX indicates that aggregation was attempted, driver must wait
354 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
355 * until block ack arrives.
364 #define IWL_AGG_OFF 0
366 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
367 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
372 struct iwl_tid_data {
375 struct iwl_ht_agg agg;
379 enum ieee80211_key_alg alg;
385 union iwl4965_ht_rate_supp {
393 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
394 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
395 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
398 /* self configuration data */
400 u8 supported_chan_width;
403 u8 sgf; /* HT_SHORT_GI_* short guard interval */
407 struct ieee80211_mcs_info mcs;
408 /* BSS related data */
409 u8 extension_chan_offset;
412 u8 non_GF_STA_present;
415 union iwl_qos_capabity {
417 u8 edca_count:4; /* bit 0-3 */
418 u8 q_ack:1; /* bit 4 */
419 u8 queue_request:1; /* bit 5 */
420 u8 txop_request:1; /* bit 6 */
421 u8 reserved:1; /* bit 7 */
424 u8 acvo_APSD:1; /* bit 0 */
425 u8 acvi_APSD:1; /* bit 1 */
426 u8 ac_bk_APSD:1; /* bit 2 */
427 u8 ac_be_APSD:1; /* bit 3 */
428 u8 q_ack:1; /* bit 4 */
429 u8 max_len:2; /* bit 5-6 */
430 u8 more_data_ack:1; /* bit 7 */
436 struct iwl_qos_info {
439 union iwl_qos_capabity qos_cap;
440 struct iwl_qosparam_cmd def_qos_parm;
443 #define STA_PS_STATUS_WAKE 0
444 #define STA_PS_STATUS_SLEEP 1
446 struct iwl_station_entry {
447 struct iwl_addsta_cmd sta;
448 struct iwl_tid_data tid[MAX_TID_COUNT];
451 struct iwl_hw_key keyinfo;
454 /* one for each uCode image (inst/data, boot/init/runtime) */
456 void *v_addr; /* access by driver */
457 dma_addr_t p_addr; /* access by card's busmaster DMA */
461 /* uCode file layout */
463 __le32 ver; /* major/minor/subminor */
464 __le32 inst_size; /* bytes of runtime instructions */
465 __le32 data_size; /* bytes of runtime data */
466 __le32 init_size; /* bytes of initialization instructions */
467 __le32 init_data_size; /* bytes of initialization data */
468 __le32 boot_size; /* bytes of bootstrap instructions */
469 u8 data[0]; /* data in same order as "size" elements */
472 struct iwl4965_ibss_seq {
476 unsigned long packet_time;
477 struct list_head list;
480 struct iwl_sensitivity_ranges {
487 u16 auto_corr_min_ofdm;
488 u16 auto_corr_min_ofdm_mrc;
489 u16 auto_corr_min_ofdm_x1;
490 u16 auto_corr_min_ofdm_mrc_x1;
492 u16 auto_corr_max_ofdm;
493 u16 auto_corr_max_ofdm_mrc;
494 u16 auto_corr_max_ofdm_x1;
495 u16 auto_corr_max_ofdm_mrc_x1;
497 u16 auto_corr_max_cck;
498 u16 auto_corr_max_cck_mrc;
499 u16 auto_corr_min_cck;
500 u16 auto_corr_min_cck_mrc;
504 #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
507 * struct iwl_hw_params
508 * @max_txq_num: Max # Tx queues supported
509 * @tx/rx_chains_num: Number of TX/RX chains
510 * @valid_tx/rx_ant: usable antennas
511 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
512 * @max_rxq_log: Log-base-2 of max_rxq_size
513 * @rx_buf_size: Rx buffer size
516 * @fat_channel: is 40MHz width possible in band 2.4
517 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
518 * @sw_crypto: 0 for hw, 1 for sw
519 * @max_xxx_size: for ucode uses
520 * @ct_kill_threshold: temperature threshold
521 * @calib_init_cfg: setup initial claibrations for the hw
522 * @struct iwl_sensitivity_ranges: range of sensitivity values
523 * @first_ampdu_q: first HW queue available for ampdu
525 struct iwl_hw_params {
542 u32 ct_kill_threshold; /* value in hw-dependent units */
544 const struct iwl_sensitivity_ranges *sens;
548 #define HT_SHORT_GI_20MHZ (1 << 0)
549 #define HT_SHORT_GI_40MHZ (1 << 1)
552 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
553 x->u.rx_frame.stats.payload + \
554 x->u.rx_frame.stats.phy_count))
555 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
556 IWL_RX_HDR(x)->payload + \
557 le16_to_cpu(IWL_RX_HDR(x)->len)))
558 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
559 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
561 /******************************************************************************
563 * Functions implemented in core module which are forward declared here
564 * for use by iwl-[4-5].c
566 * NOTE: The implementation of these functions are not hardware specific
567 * which is why they are in the core module files.
569 * Naming convention --
570 * iwl_ <-- Is part of iwlwifi
571 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
572 * iwl4965_bg_ <-- Called from work queue context
573 * iwl4965_mac_ <-- mac80211 callback
575 ****************************************************************************/
576 struct iwl_addsta_cmd;
577 extern int iwl_send_add_sta(struct iwl_priv *priv,
578 struct iwl_addsta_cmd *sta, u8 flags);
579 extern u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr,
580 int is_ap, u8 flags, struct ieee80211_sta_ht_cap *ht_info);
581 extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
582 extern int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
583 extern const u8 iwl_bcast_addr[ETH_ALEN];
584 extern int iwl_rxq_stop(struct iwl_priv *priv);
585 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
586 extern int iwl_queue_space(const struct iwl_queue *q);
587 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
589 return q->write_ptr > q->read_ptr ?
590 (i >= q->read_ptr && i < q->write_ptr) :
591 !(i < q->read_ptr && i >= q->write_ptr);
595 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
597 /* This is for scan command, the big buffer at end of command array */
599 return q->n_window; /* must be power of 2 */
601 /* Otherwise, use normal size buffers */
602 return index & (q->n_window - 1);
609 /* Structures, enum, and defines specific to the 4965 */
611 #define IWL_KW_SIZE 0x1000 /*4k */
619 #define IWL_CHANNEL_WIDTH_20MHZ 0
620 #define IWL_CHANNEL_WIDTH_40MHZ 1
622 #define IWL_OPERATION_MODE_AUTO 0
623 #define IWL_OPERATION_MODE_HT_ONLY 1
624 #define IWL_OPERATION_MODE_MIXED 2
625 #define IWL_OPERATION_MODE_20MHZ 3
627 #define IWL_TX_CRC_SIZE 4
628 #define IWL_TX_DELIMITER_SIZE 4
630 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
632 /* Sensitivity and chain noise calibration */
633 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
634 #define INITIALIZATION_VALUE 0xFFFF
635 #define CAL_NUM_OF_BEACONS 20
636 #define MAXIMUM_ALLOWED_PATHLOSS 15
638 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
640 #define MAX_FA_OFDM 50
641 #define MIN_FA_OFDM 5
642 #define MAX_FA_CCK 50
645 #define AUTO_CORR_STEP_OFDM 1
647 #define AUTO_CORR_STEP_CCK 3
648 #define AUTO_CORR_MAX_TH_CCK 160
651 #define NRG_STEP_CCK 2
653 #define MAX_NUMBER_CCK_NO_FA 100
655 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
660 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
661 #define ALL_BAND_FILTER 0xFF00
662 #define IN_BAND_FILTER 0xFF
663 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
665 #define NRG_NUM_PREV_STAT_L 20
666 #define NUM_RX_CHAINS 3
668 enum iwl4965_false_alarm_state {
671 IWL_FA_GOOD_RANGE = 2,
674 enum iwl4965_chain_noise_state {
675 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
676 IWL_CHAIN_NOISE_ACCUMULATE,
677 IWL_CHAIN_NOISE_CALIBRATED,
678 IWL_CHAIN_NOISE_DONE,
681 enum iwl4965_calib_enabled_state {
682 IWL_CALIB_DISABLED = 0, /* must be 0 */
683 IWL_CALIB_ENABLED = 1,
686 struct statistics_general_data {
687 u32 beacon_silence_rssi_a;
688 u32 beacon_silence_rssi_b;
689 u32 beacon_silence_rssi_c;
695 /* Opaque calibration results */
696 struct iwl_calib_result {
707 /* Sensitivity calib data */
708 struct iwl_sensitivity_data {
710 u32 auto_corr_ofdm_mrc;
711 u32 auto_corr_ofdm_x1;
712 u32 auto_corr_ofdm_mrc_x1;
714 u32 auto_corr_cck_mrc;
716 u32 last_bad_plcp_cnt_ofdm;
717 u32 last_fa_cnt_ofdm;
718 u32 last_bad_plcp_cnt_cck;
724 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
729 s32 nrg_auto_corr_silence_diff;
730 u32 num_in_cck_no_fa;
734 /* Chain noise (differential Rx gain) calib data */
735 struct iwl_chain_noise_data {
744 u8 disconn_array[NUM_RX_CHAINS];
745 u8 delta_gain_code[NUM_RX_CHAINS];
750 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
751 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
755 MEASUREMENT_READY = (1 << 0),
756 MEASUREMENT_ACTIVE = (1 << 1),
760 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
761 #define IWL_CALIB_MAX 4
765 /* ieee device used by generic ieee processing code */
766 struct ieee80211_hw *hw;
767 struct ieee80211_channel *ieee_channels;
768 struct ieee80211_rate *ieee_rates;
771 /* temporary frame storage list */
772 struct list_head free_frames;
775 enum ieee80211_band band;
778 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
779 struct iwl_rx_mem_buffer *rxb);
781 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
783 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
784 /* spectrum measurement report caching */
785 struct iwl4965_spectrum_notification measure_report;
786 u8 measurement_status;
788 /* ucode beacon time */
789 u32 ucode_beacon_time;
791 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
792 * Access via channel # using indirect index array */
793 struct iwl_channel_info *channel_info; /* channel info array */
794 u8 channel_count; /* # of channels */
796 /* each calibration channel group in the EEPROM has a derived
797 * clip setting for each rate. */
798 const struct iwl4965_clip_group clip_groups[5];
800 /* thermal calibration */
801 s32 temperature; /* degrees Kelvin */
802 s32 last_temperature;
804 /* init calibration results */
805 struct iwl_calib_result calib_results[IWL_CALIB_MAX];
807 /* Scan related variables */
808 unsigned long last_scan_jiffies;
809 unsigned long next_scan_jiffies;
810 unsigned long scan_start;
811 unsigned long scan_pass_start;
812 unsigned long scan_start_tsf;
816 u8 direct_ssid[IW_ESSID_MAX_SIZE];
817 struct iwl_scan_cmd *scan;
818 u32 scan_tx_ant[IEEE80211_NUM_BANDS];
821 spinlock_t lock; /* protect general shared data */
822 spinlock_t hcmd_lock; /* protect hcmd */
825 /* basic pci-network driver stuff */
826 struct pci_dev *pci_dev;
828 /* pci hardware address support */
829 void __iomem *hw_base;
834 /* uCode images, save to reload in case of failure */
835 struct fw_desc ucode_code; /* runtime inst */
836 struct fw_desc ucode_data; /* runtime data original */
837 struct fw_desc ucode_data_backup; /* runtime data save/restore */
838 struct fw_desc ucode_init; /* initialization inst */
839 struct fw_desc ucode_init_data; /* initialization data */
840 struct fw_desc ucode_boot; /* bootstrap inst */
841 enum ucode_type ucode_type;
842 u8 ucode_write_complete; /* the image write is complete */
845 struct iwl_rxon_time_cmd rxon_timing;
847 /* We declare this const so it can only be
848 * changed via explicit cast within the
849 * routines that actually update the physical
851 const struct iwl_rxon_cmd active_rxon;
852 struct iwl_rxon_cmd staging_rxon;
854 int error_recovering;
855 struct iwl_rxon_cmd recovery_rxon;
857 /* 1st responses from initialize and runtime uCode images.
858 * 4965's initialize alive response contains some calibration data. */
859 struct iwl_init_alive_resp card_alive_init;
860 struct iwl_alive_resp card_alive;
861 #ifdef CONFIG_IWLWIFI_RFKILL
862 struct rfkill *rfkill;
865 #ifdef CONFIG_IWLWIFI_LEDS
866 struct iwl_led led[IWL_LED_TRG_MAX];
867 unsigned long last_blink_time;
874 u16 active_rate_basic;
876 u8 assoc_station_added;
877 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
879 struct iwl_sensitivity_data sensitivity_data;
880 struct iwl_chain_noise_data chain_noise_data;
881 __le16 sensitivity_tbl[HD_TABLE_SIZE];
883 struct iwl_ht_info current_ht_config;
884 u8 last_phy_res[100];
886 /* Rate scaling data */
890 wait_queue_head_t wait_command_queue;
892 int activity_timer_active;
894 /* Rx and Tx DMA processing queues */
895 struct iwl_rx_queue rxq;
896 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
897 unsigned long txq_ctx_active_msk;
898 struct iwl_kw kw; /* keep warm address */
899 u32 scd_base_addr; /* scheduler sram base address */
901 unsigned long status;
903 int last_rx_rssi; /* From Rx packet statisitics */
904 int last_rx_noise; /* From beacon statistics */
906 /* counts mgmt, ctl, and data packets */
907 struct traffic_stats {
910 } tx_stats[3], rx_stats[3];
912 struct iwl_power_mgr power_data;
914 struct iwl_notif_statistics statistics;
915 unsigned long last_statistics_time;
917 /* context information */
918 u8 essid[IW_ESSID_MAX_SIZE];
926 u8 mac_addr[ETH_ALEN];
928 /*station table variables */
931 struct iwl_station_entry stations[IWL_STATION_COUNT];
932 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
935 unsigned long ucode_key_table;
937 /* Indication if ieee80211_ops->open has been called */
940 u8 mac80211_registered;
942 /* Rx'd packet timing information */
943 u32 last_beacon_time;
948 struct iwl_eeprom_calib_info *calib_info;
950 enum nl80211_iftype iw_mode;
952 struct sk_buff *ibss_beacon;
954 /* Last Rx'd beacon timestamp */
957 struct ieee80211_vif *vif;
959 struct iwl_hw_params hw_params;
960 /* driver/uCode shared Tx Byte Counts and Rx status */
962 int rb_closed_offset;
963 /* Physical Pointer to Tx Byte Counts and Rx status */
964 dma_addr_t shared_phys;
966 /* Current association information needed to configure the
969 u16 assoc_capability;
971 struct iwl_qos_info qos_data;
973 struct workqueue_struct *workqueue;
975 struct work_struct up;
976 struct work_struct restart;
977 struct work_struct calibrated_work;
978 struct work_struct scan_completed;
979 struct work_struct rx_replenish;
980 struct work_struct rf_kill;
981 struct work_struct abort_scan;
982 struct work_struct update_link_led;
983 struct work_struct auth_work;
984 struct work_struct report_work;
985 struct work_struct request_scan;
986 struct work_struct beacon_update;
987 struct work_struct set_monitor;
989 struct tasklet_struct irq_tasklet;
991 struct delayed_work set_power_save;
992 struct delayed_work init_alive_start;
993 struct delayed_work alive_start;
994 struct delayed_work scan_check;
996 s8 tx_power_user_lmt;
997 s8 tx_power_channel_lmt;
1003 #ifdef CONFIG_IWLWIFI_DEBUG
1004 /* debugging info */
1007 atomic_t restrict_refcnt;
1008 #ifdef CONFIG_IWLWIFI_DEBUGFS
1010 struct iwl_debugfs *dbgfs;
1011 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1012 #endif /* CONFIG_IWLWIFI_DEBUG */
1014 struct work_struct txpower_work;
1015 u32 disable_sens_cal;
1016 u32 disable_chain_noise_cal;
1017 u32 disable_tx_power_cal;
1018 struct work_struct run_time_calib_work;
1019 struct timer_list statistics_periodic;
1022 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1024 set_bit(txq_id, &priv->txq_ctx_active_msk);
1027 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1029 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1032 #ifdef CONFIG_IWLWIFI_DEBUG
1033 const char *iwl_get_tx_fail_reason(u32 status);
1035 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1039 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1040 int txq_id, int idx)
1042 if (priv->txq[txq_id].txb[idx].skb[0])
1043 return (struct ieee80211_hdr *)priv->txq[txq_id].
1044 txb[idx].skb[0]->data;
1049 static inline int iwl_is_associated(struct iwl_priv *priv)
1051 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1054 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1056 if (ch_info == NULL)
1058 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1061 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1063 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1066 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1068 return ch_info->band == IEEE80211_BAND_5GHZ;
1071 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1073 return ch_info->band == IEEE80211_BAND_2GHZ;
1076 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1078 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1081 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1083 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1086 #ifdef CONFIG_IWLWIFI_DEBUG
1087 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1090 if (!(priv->debug_level & level))
1093 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1097 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1103 extern const struct iwl_channel_info *iwl_get_channel_info(
1104 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1106 /* Requires full declaration of iwl_priv before including */
1108 #endif /* __iwl_dev_h__ */