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_QUEUE(x) ((x >> 8) & 0xbf)
229 #define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
230 #define SEQ_TO_INDEX(x) ((u8)(x & 0xff))
231 #define INDEX_TO_SEQ(x) ((u8)(x & 0xff))
232 #define SEQ_HUGE_FRAME (0x4000)
233 #define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
234 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
235 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
236 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
239 /* CMD_SIZE_NORMAL = 0, */
240 CMD_SIZE_HUGE = (1 << 0),
242 CMD_ASYNC = (1 << 1),
243 /* CMD_NO_SKB = 0, */
244 CMD_WANT_SKB = (1 << 2),
250 struct iwl_cmd_meta {
251 struct iwl_cmd_meta *source;
254 int (*callback)(struct iwl_priv *priv,
255 struct iwl_cmd *cmd, struct sk_buff *skb);
256 } __attribute__ ((packed)) u;
258 /* The CMD_SIZE_HUGE flag bit indicates that the command
259 * structure is stored at the end of the shared queue memory. */
262 } __attribute__ ((packed));
264 #define IWL_CMD_MAX_PAYLOAD 320
269 * For allocation of the command and tx queues, this establishes the overall
270 * size of the largest command we send to uCode, except for a scan command
271 * (which is relatively huge; space is allocated separately).
274 struct iwl_cmd_meta meta; /* driver data */
275 struct iwl_cmd_header hdr; /* uCode API */
277 struct iwl_addsta_cmd addsta;
278 struct iwl_led_cmd led;
283 struct iwl4965_bt_cmd bt;
284 struct iwl4965_rxon_time_cmd rxon_time;
285 struct iwl_powertable_cmd powertable;
286 struct iwl_qosparam_cmd qosparam;
287 struct iwl_tx_cmd tx;
288 struct iwl4965_rxon_assoc_cmd rxon_assoc;
289 struct iwl_rem_sta_cmd rm_sta;
291 u8 payload[IWL_CMD_MAX_PAYLOAD];
292 } __attribute__ ((packed)) cmd;
293 } __attribute__ ((packed));
295 struct iwl_host_cmd {
298 struct iwl_cmd_meta meta;
302 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
303 sizeof(struct iwl_cmd_meta))
306 * RX related structures and functions
308 #define RX_FREE_BUFFERS 64
309 #define RX_LOW_WATERMARK 8
311 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
312 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
313 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
316 * struct iwl_rx_queue - Rx queue
317 * @processed: Internal index to last handled Rx packet
318 * @read: Shared index to newest available Rx buffer
319 * @write: Shared index to oldest written Rx packet
320 * @free_count: Number of pre-allocated buffers in rx_free
321 * @rx_free: list of free SKBs for use
322 * @rx_used: List of Rx buffers with no SKB
323 * @need_update: flag to indicate we need to update read/write index
325 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
327 struct iwl_rx_queue {
330 struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
331 struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
336 struct list_head rx_free;
337 struct list_head rx_used;
342 #define IWL_SUPPORTED_RATES_IE_LEN 8
344 #define SCAN_INTERVAL 100
346 #define MAX_A_CHANNELS 252
347 #define MIN_A_CHANNELS 7
349 #define MAX_B_CHANNELS 14
350 #define MIN_B_CHANNELS 1
352 #define MAX_TID_COUNT 9
354 #define IWL_INVALID_RATE 0xFF
355 #define IWL_INVALID_VALUE -1
358 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
359 * @txq_id: Tx queue used for Tx attempt
360 * @frame_count: # frames attempted by Tx command
361 * @wait_for_ba: Expect block-ack before next Tx reply
362 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
363 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
364 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
365 * @rate_n_flags: Rate at which Tx was attempted
367 * If REPLY_TX indicates that aggregation was attempted, driver must wait
368 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
369 * until block ack arrives.
378 #define IWL_AGG_OFF 0
380 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
381 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
386 struct iwl_tid_data {
389 struct iwl_ht_agg agg;
393 enum ieee80211_key_alg alg;
399 union iwl4965_ht_rate_supp {
407 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
408 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
409 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
412 /* self configuration data */
414 u8 supported_chan_width;
417 u8 sgf; /* HT_SHORT_GI_* short guard interval */
422 /* BSS related data */
424 u8 extension_chan_offset;
427 u8 non_GF_STA_present;
430 union iwl_qos_capabity {
432 u8 edca_count:4; /* bit 0-3 */
433 u8 q_ack:1; /* bit 4 */
434 u8 queue_request:1; /* bit 5 */
435 u8 txop_request:1; /* bit 6 */
436 u8 reserved:1; /* bit 7 */
439 u8 acvo_APSD:1; /* bit 0 */
440 u8 acvi_APSD:1; /* bit 1 */
441 u8 ac_bk_APSD:1; /* bit 2 */
442 u8 ac_be_APSD:1; /* bit 3 */
443 u8 q_ack:1; /* bit 4 */
444 u8 max_len:2; /* bit 5-6 */
445 u8 more_data_ack:1; /* bit 7 */
451 struct iwl_qos_info {
454 union iwl_qos_capabity qos_cap;
455 struct iwl_qosparam_cmd def_qos_parm;
458 #define STA_PS_STATUS_WAKE 0
459 #define STA_PS_STATUS_SLEEP 1
461 struct iwl_station_entry {
462 struct iwl_addsta_cmd sta;
463 struct iwl_tid_data tid[MAX_TID_COUNT];
466 struct iwl_hw_key keyinfo;
469 /* one for each uCode image (inst/data, boot/init/runtime) */
471 void *v_addr; /* access by driver */
472 dma_addr_t p_addr; /* access by card's busmaster DMA */
476 /* uCode file layout */
478 __le32 ver; /* major/minor/subminor */
479 __le32 inst_size; /* bytes of runtime instructions */
480 __le32 data_size; /* bytes of runtime data */
481 __le32 init_size; /* bytes of initialization instructions */
482 __le32 init_data_size; /* bytes of initialization data */
483 __le32 boot_size; /* bytes of bootstrap instructions */
484 u8 data[0]; /* data in same order as "size" elements */
487 struct iwl4965_ibss_seq {
491 unsigned long packet_time;
492 struct list_head list;
495 struct iwl_sensitivity_ranges {
502 u16 auto_corr_min_ofdm;
503 u16 auto_corr_min_ofdm_mrc;
504 u16 auto_corr_min_ofdm_x1;
505 u16 auto_corr_min_ofdm_mrc_x1;
507 u16 auto_corr_max_ofdm;
508 u16 auto_corr_max_ofdm_mrc;
509 u16 auto_corr_max_ofdm_x1;
510 u16 auto_corr_max_ofdm_mrc_x1;
512 u16 auto_corr_max_cck;
513 u16 auto_corr_max_cck_mrc;
514 u16 auto_corr_min_cck;
515 u16 auto_corr_min_cck_mrc;
519 #define IWL_FAT_CHANNEL_52 BIT(IEEE80211_BAND_5GHZ)
522 * struct iwl_hw_params
523 * @max_txq_num: Max # Tx queues supported
524 * @tx/rx_chains_num: Number of TX/RX chains
525 * @valid_tx/rx_ant: usable antennas
526 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
527 * @max_rxq_log: Log-base-2 of max_rxq_size
528 * @rx_buf_size: Rx buffer size
531 * @fat_channel: is 40MHz width possible in band 2.4
532 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
533 * @sw_crypto: 0 for hw, 1 for sw
534 * @max_xxx_size: for ucode uses
535 * @ct_kill_threshold: temperature threshold
536 * @struct iwl_sensitivity_ranges: range of sensitivity values
537 * @first_ampdu_q: first HW queue available for ampdu
539 struct iwl_hw_params {
556 u32 ct_kill_threshold; /* value in hw-dependent units */
557 const struct iwl_sensitivity_ranges *sens;
561 #define HT_SHORT_GI_20MHZ (1 << 0)
562 #define HT_SHORT_GI_40MHZ (1 << 1)
565 #define IWL_RX_HDR(x) ((struct iwl4965_rx_frame_hdr *)(\
566 x->u.rx_frame.stats.payload + \
567 x->u.rx_frame.stats.phy_count))
568 #define IWL_RX_END(x) ((struct iwl4965_rx_frame_end *)(\
569 IWL_RX_HDR(x)->payload + \
570 le16_to_cpu(IWL_RX_HDR(x)->len)))
571 #define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
572 #define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
575 /******************************************************************************
577 * Functions implemented in iwl-base.c which are forward declared here
580 *****************************************************************************/
581 struct iwl_addsta_cmd;
582 extern int iwl_send_add_sta(struct iwl_priv *priv,
583 struct iwl_addsta_cmd *sta, u8 flags);
584 u8 iwl_add_station_flags(struct iwl_priv *priv, const u8 *addr, int is_ap,
585 u8 flags, struct ieee80211_ht_info *ht_info);
586 extern unsigned int iwl4965_fill_beacon_frame(struct iwl_priv *priv,
587 struct ieee80211_hdr *hdr,
588 const u8 *dest, int left);
589 extern void iwl4965_update_chain_flags(struct iwl_priv *priv);
590 int iwl4965_set_pwr_src(struct iwl_priv *priv, enum iwl_pwr_src src);
591 extern int iwl4965_set_power(struct iwl_priv *priv, void *cmd);
593 extern const u8 iwl_bcast_addr[ETH_ALEN];
595 /******************************************************************************
597 * Functions implemented in iwl-[34]*.c which are forward declared here
598 * for use by iwl-base.c
600 * NOTE: The implementation of these functions are hardware specific
601 * which is why they are in the hardware specific files (vs. iwl-base.c)
603 * Naming convention --
604 * iwl4965_ <-- Its part of iwlwifi (should be changed to iwl4965_)
605 * iwl4965_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
606 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
607 * iwl4965_bg_ <-- Called from work queue context
608 * iwl4965_mac_ <-- mac80211 callback
610 ****************************************************************************/
611 extern int iwl_rxq_stop(struct iwl_priv *priv);
612 extern void iwl_txq_ctx_stop(struct iwl_priv *priv);
613 extern unsigned int iwl4965_hw_get_beacon_cmd(struct iwl_priv *priv,
614 struct iwl_frame *frame, u8 rate);
615 extern void iwl4965_disable_events(struct iwl_priv *priv);
617 extern int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel);
618 extern int iwl_queue_space(const struct iwl_queue *q);
619 static inline int iwl_queue_used(const struct iwl_queue *q, int i)
621 return q->write_ptr > q->read_ptr ?
622 (i >= q->read_ptr && i < q->write_ptr) :
623 !(i < q->read_ptr && i >= q->write_ptr);
627 static inline u8 get_cmd_index(struct iwl_queue *q, u32 index, int is_huge)
629 /* This is for scan command, the big buffer at end of command array */
631 return q->n_window; /* must be power of 2 */
633 /* Otherwise, use normal size buffers */
634 return index & (q->n_window - 1);
641 * Forward declare iwl-4965.c functions for iwl-base.c
643 extern void iwl4965_rf_kill_ct_config(struct iwl_priv *priv);
644 int iwl4965_check_empty_hw_queue(struct iwl_priv *priv, int sta_id,
647 /* Structures, enum, and defines specific to the 4965 */
649 #define IWL_KW_SIZE 0x1000 /*4k */
657 #define IWL_CHANNEL_WIDTH_20MHZ 0
658 #define IWL_CHANNEL_WIDTH_40MHZ 1
660 #define IWL_MIMO_PS_STATIC 0
661 #define IWL_MIMO_PS_NONE 3
662 #define IWL_MIMO_PS_DYNAMIC 1
663 #define IWL_MIMO_PS_INVALID 2
665 #define IWL_OPERATION_MODE_AUTO 0
666 #define IWL_OPERATION_MODE_HT_ONLY 1
667 #define IWL_OPERATION_MODE_MIXED 2
668 #define IWL_OPERATION_MODE_20MHZ 3
670 #define IWL_TX_CRC_SIZE 4
671 #define IWL_TX_DELIMITER_SIZE 4
673 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
675 /* Sensitivity and chain noise calibration */
676 #define INTERFERENCE_DATA_AVAILABLE __constant_cpu_to_le32(1)
677 #define INITIALIZATION_VALUE 0xFFFF
678 #define CAL_NUM_OF_BEACONS 20
679 #define MAXIMUM_ALLOWED_PATHLOSS 15
681 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
683 #define MAX_FA_OFDM 50
684 #define MIN_FA_OFDM 5
685 #define MAX_FA_CCK 50
688 #define AUTO_CORR_STEP_OFDM 1
690 #define AUTO_CORR_STEP_CCK 3
691 #define AUTO_CORR_MAX_TH_CCK 160
694 #define NRG_STEP_CCK 2
696 #define MAX_NUMBER_CCK_NO_FA 100
698 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
703 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
704 #define ALL_BAND_FILTER 0xFF00
705 #define IN_BAND_FILTER 0xFF
706 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
708 #define NRG_NUM_PREV_STAT_L 20
709 #define NUM_RX_CHAINS 3
711 enum iwl4965_false_alarm_state {
714 IWL_FA_GOOD_RANGE = 2,
717 enum iwl4965_chain_noise_state {
718 IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
719 IWL_CHAIN_NOISE_ACCUMULATE = 1,
720 IWL_CHAIN_NOISE_CALIBRATED = 2,
723 enum iwl4965_calib_enabled_state {
724 IWL_CALIB_DISABLED = 0, /* must be 0 */
725 IWL_CALIB_ENABLED = 1,
728 struct statistics_general_data {
729 u32 beacon_silence_rssi_a;
730 u32 beacon_silence_rssi_b;
731 u32 beacon_silence_rssi_c;
737 struct iwl_calib_results {
739 void *tx_iq_perd_res;
742 u32 tx_iq_perd_res_len;
752 /* Sensitivity calib data */
753 struct iwl_sensitivity_data {
755 u32 auto_corr_ofdm_mrc;
756 u32 auto_corr_ofdm_x1;
757 u32 auto_corr_ofdm_mrc_x1;
759 u32 auto_corr_cck_mrc;
761 u32 last_bad_plcp_cnt_ofdm;
762 u32 last_fa_cnt_ofdm;
763 u32 last_bad_plcp_cnt_cck;
769 u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
774 s32 nrg_auto_corr_silence_diff;
775 u32 num_in_cck_no_fa;
779 /* Chain noise (differential Rx gain) calib data */
780 struct iwl_chain_noise_data {
789 u8 disconn_array[NUM_RX_CHAINS];
790 u8 delta_gain_code[NUM_RX_CHAINS];
794 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
795 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
799 MEASUREMENT_READY = (1 << 0),
800 MEASUREMENT_ACTIVE = (1 << 1),
804 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
808 /* ieee device used by generic ieee processing code */
809 struct ieee80211_hw *hw;
810 struct ieee80211_channel *ieee_channels;
811 struct ieee80211_rate *ieee_rates;
814 /* temporary frame storage list */
815 struct list_head free_frames;
818 enum ieee80211_band band;
821 void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
822 struct iwl_rx_mem_buffer *rxb);
824 struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
826 #ifdef CONFIG_IWLAGN_SPECTRUM_MEASUREMENT
827 /* spectrum measurement report caching */
828 struct iwl4965_spectrum_notification measure_report;
829 u8 measurement_status;
831 /* ucode beacon time */
832 u32 ucode_beacon_time;
834 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
835 * Access via channel # using indirect index array */
836 struct iwl_channel_info *channel_info; /* channel info array */
837 u8 channel_count; /* # of channels */
839 /* each calibration channel group in the EEPROM has a derived
840 * clip setting for each rate. */
841 const struct iwl4965_clip_group clip_groups[5];
843 /* thermal calibration */
844 s32 temperature; /* degrees Kelvin */
845 s32 last_temperature;
847 /* init calibration results */
848 struct iwl_calib_results calib_results;
850 /* Scan related variables */
851 unsigned long last_scan_jiffies;
852 unsigned long next_scan_jiffies;
853 unsigned long scan_start;
854 unsigned long scan_pass_start;
855 unsigned long scan_start_tsf;
859 u8 direct_ssid[IW_ESSID_MAX_SIZE];
860 struct iwl_scan_cmd *scan;
861 u32 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 struct fw_desc ucode_code; /* runtime inst */
879 struct fw_desc ucode_data; /* runtime data original */
880 struct fw_desc ucode_data_backup; /* runtime data save/restore */
881 struct fw_desc ucode_init; /* initialization inst */
882 struct fw_desc ucode_init_data; /* initialization data */
883 struct fw_desc ucode_boot; /* bootstrap inst */
884 enum ucode_type ucode_type;
885 u8 ucode_write_complete; /* the image write is complete */
888 struct iwl4965_rxon_time_cmd rxon_timing;
890 /* We declare this const so it can only be
891 * changed via explicit cast within the
892 * routines that actually update the physical
894 const struct iwl_rxon_cmd active_rxon;
895 struct iwl_rxon_cmd staging_rxon;
897 int error_recovering;
898 struct iwl_rxon_cmd recovery_rxon;
900 /* 1st responses from initialize and runtime uCode images.
901 * 4965's initialize alive response contains some calibration data. */
902 struct iwl_init_alive_resp card_alive_init;
903 struct iwl_alive_resp card_alive;
904 #ifdef CONFIG_IWLWIFI_RFKILL
905 struct rfkill *rfkill;
908 #ifdef CONFIG_IWLWIFI_LEDS
909 struct iwl_led led[IWL_LED_TRG_MAX];
910 unsigned long last_blink_time;
917 u16 active_rate_basic;
919 u8 assoc_station_added;
920 u8 use_ant_b_for_management_frame; /* Tx antenna selection */
922 struct iwl_sensitivity_data sensitivity_data;
923 struct iwl_chain_noise_data chain_noise_data;
924 __le16 sensitivity_tbl[HD_TABLE_SIZE];
926 struct iwl_ht_info current_ht_config;
927 u8 last_phy_res[100];
929 /* Rate scaling data */
933 wait_queue_head_t wait_command_queue;
935 int activity_timer_active;
937 /* Rx and Tx DMA processing queues */
938 struct iwl_rx_queue rxq;
939 struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
940 unsigned long txq_ctx_active_msk;
941 struct iwl_kw kw; /* keep warm address */
942 u32 scd_base_addr; /* scheduler sram base address */
944 unsigned long status;
946 int last_rx_rssi; /* From Rx packet statisitics */
947 int last_rx_noise; /* From beacon statistics */
949 /* counts mgmt, ctl, and data packets */
950 struct traffic_stats {
953 } tx_stats[3], rx_stats[3];
955 struct iwl_power_mgr power_data;
957 struct iwl_notif_statistics statistics;
958 unsigned long last_statistics_time;
960 /* context information */
961 u8 essid[IW_ESSID_MAX_SIZE];
969 u8 mac_addr[ETH_ALEN];
971 /*station table variables */
974 struct iwl_station_entry stations[IWL_STATION_COUNT];
975 struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
978 unsigned long ucode_key_table;
980 /* Indication if ieee80211_ops->open has been called */
983 u8 mac80211_registered;
985 /* Rx'd packet timing information */
986 u32 last_beacon_time;
991 struct iwl_eeprom_calib_info *calib_info;
993 enum ieee80211_if_types iw_mode;
995 struct sk_buff *ibss_beacon;
997 /* Last Rx'd beacon timestamp */
1000 struct ieee80211_vif *vif;
1002 struct iwl_hw_params hw_params;
1003 /* driver/uCode shared Tx Byte Counts and Rx status */
1005 int rb_closed_offset;
1006 /* Physical Pointer to Tx Byte Counts and Rx status */
1007 dma_addr_t shared_phys;
1009 /* Current association information needed to configure the
1012 u16 assoc_capability;
1015 struct iwl_qos_info qos_data;
1017 struct workqueue_struct *workqueue;
1019 struct work_struct up;
1020 struct work_struct restart;
1021 struct work_struct calibrated_work;
1022 struct work_struct scan_completed;
1023 struct work_struct rx_replenish;
1024 struct work_struct rf_kill;
1025 struct work_struct abort_scan;
1026 struct work_struct update_link_led;
1027 struct work_struct auth_work;
1028 struct work_struct report_work;
1029 struct work_struct request_scan;
1030 struct work_struct beacon_update;
1031 struct work_struct set_monitor;
1033 struct tasklet_struct irq_tasklet;
1035 struct delayed_work init_alive_start;
1036 struct delayed_work alive_start;
1037 struct delayed_work scan_check;
1039 s8 tx_power_user_lmt;
1040 s8 tx_power_channel_lmt;
1046 #ifdef CONFIG_IWLWIFI_DEBUG
1047 /* debugging info */
1050 atomic_t restrict_refcnt;
1051 #ifdef CONFIG_IWLWIFI_DEBUGFS
1053 struct iwl_debugfs *dbgfs;
1054 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1055 #endif /* CONFIG_IWLWIFI_DEBUG */
1057 struct work_struct txpower_work;
1058 u32 disable_sens_cal;
1059 u32 disable_chain_noise_cal;
1060 u32 disable_tx_power_cal;
1061 struct work_struct run_time_calib_work;
1062 struct timer_list statistics_periodic;
1065 static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
1067 set_bit(txq_id, &priv->txq_ctx_active_msk);
1070 static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
1072 clear_bit(txq_id, &priv->txq_ctx_active_msk);
1075 #ifdef CONFIG_IWLWIFI_DEBUG
1076 const char *iwl_get_tx_fail_reason(u32 status);
1078 static inline const char *iwl_get_tx_fail_reason(u32 status) { return ""; }
1082 static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
1083 int txq_id, int idx)
1085 if (priv->txq[txq_id].txb[idx].skb[0])
1086 return (struct ieee80211_hdr *)priv->txq[txq_id].
1087 txb[idx].skb[0]->data;
1092 static inline int iwl_is_associated(struct iwl_priv *priv)
1094 return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
1097 static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
1099 if (ch_info == NULL)
1101 return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
1104 static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
1106 return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
1109 static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
1111 return ch_info->band == IEEE80211_BAND_5GHZ;
1114 static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
1116 return ch_info->band == IEEE80211_BAND_2GHZ;
1119 static inline int is_channel_passive(const struct iwl_channel_info *ch)
1121 return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
1124 static inline int is_channel_ibss(const struct iwl_channel_info *ch)
1126 return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
1129 #ifdef CONFIG_IWLWIFI_DEBUG
1130 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1133 if (!(priv->debug_level & level))
1136 print_hex_dump(KERN_DEBUG, "iwl data: ", DUMP_PREFIX_OFFSET, 16, 1,
1140 static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level,
1146 extern const struct iwl_channel_info *iwl_get_channel_info(
1147 const struct iwl_priv *priv, enum ieee80211_band band, u16 channel);
1149 /* Requires full declaration of iwl_priv before including */
1151 #endif /* __iwl_dev_h__ */