1 /******************************************************************************
3 * Copyright(c) 2003 - 2009 Intel Corporation. All rights reserved.
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
18 * The full GNU General Public License is included in this distribution in the
19 * file called LICENSE.
21 * Contact Information:
22 * Intel Linux Wireless <ilw@linux.intel.com>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *****************************************************************************/
27 * Please use this file (iwl-dev.h) for driver implementation definitions.
28 * Please use iwl-commands.h for uCode API definitions.
29 * Please use iwl-4965-hw.h for hardware-related definitions.
35 #include <linux/pci.h> /* for struct pci_device_id */
36 #include <linux/kernel.h>
37 #include <net/ieee80211_radiotap.h>
39 #include "iwl-eeprom.h"
43 #include "iwl-debug.h"
44 #include "iwl-rfkill.h"
45 #include "iwl-4965-hw.h"
46 #include "iwl-3945-hw.h"
47 #include "iwl-3945-led.h"
49 #include "iwl-power.h"
50 #include "iwl-agn-rs.h"
52 /* configuration for the iwl4965 */
53 extern struct iwl_cfg iwl4965_agn_cfg
;
54 extern struct iwl_cfg iwl5300_agn_cfg
;
55 extern struct iwl_cfg iwl5100_agn_cfg
;
56 extern struct iwl_cfg iwl5350_agn_cfg
;
57 extern struct iwl_cfg iwl5100_bg_cfg
;
58 extern struct iwl_cfg iwl5100_abg_cfg
;
59 extern struct iwl_cfg iwl5150_agn_cfg
;
60 extern struct iwl_cfg iwl6000_2ag_cfg
;
61 extern struct iwl_cfg iwl6000_2agn_cfg
;
62 extern struct iwl_cfg iwl6000_3agn_cfg
;
63 extern struct iwl_cfg iwl6050_2agn_cfg
;
64 extern struct iwl_cfg iwl6050_3agn_cfg
;
65 extern struct iwl_cfg iwl100_bgn_cfg
;
67 /* shared structures from iwl-5000.c */
68 extern struct iwl_mod_params iwl50_mod_params
;
69 extern struct iwl_ops iwl5000_ops
;
70 extern struct iwl_lib_ops iwl5000_lib
;
71 extern struct iwl_hcmd_ops iwl5000_hcmd
;
72 extern struct iwl_hcmd_utils_ops iwl5000_hcmd_utils
;
74 /* shared functions from iwl-5000.c */
75 extern u16
iwl5000_get_hcmd_size(u8 cmd_id
, u16 len
);
76 extern u16
iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd
*cmd
,
78 extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info
*info
,
80 extern int iwl5000_calc_rssi(struct iwl_priv
*priv
,
81 struct iwl_rx_phy_res
*rx_resp
);
83 /* CT-KILL constants */
84 #define CT_KILL_THRESHOLD 110 /* in Celsius */
86 /* Default noise level to report when noise measurement is not available.
87 * This may be because we're:
88 * 1) Not associated (4965, no beacon statistics being sent to driver)
89 * 2) Scanning (noise measurement does not apply to associated channel)
90 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
91 * Use default noise value of -127 ... this is below the range of measurable
92 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
93 * Also, -127 works better than 0 when averaging frames with/without
94 * noise info (e.g. averaging might be done in app); measured dBm values are
95 * always negative ... using a negative value as the default keeps all
96 * averages within an s8's (used in some apps) range of negative values. */
97 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
100 * RTS threshold here is total size [2347] minus 4 FCS bytes
102 * a value of 0 means RTS on all data/management packets
103 * a value > max MSDU size means no RTS
104 * else RTS for data/management frames where MPDU is larger
107 #define DEFAULT_RTS_THRESHOLD 2347U
108 #define MIN_RTS_THRESHOLD 0U
109 #define MAX_RTS_THRESHOLD 2347U
110 #define MAX_MSDU_SIZE 2304U
111 #define MAX_MPDU_SIZE 2346U
112 #define DEFAULT_BEACON_INTERVAL 100U
113 #define DEFAULT_SHORT_RETRY_LIMIT 7U
114 #define DEFAULT_LONG_RETRY_LIMIT 4U
116 struct iwl_rx_mem_buffer
{
117 dma_addr_t real_dma_addr
;
118 dma_addr_t aligned_dma_addr
;
120 struct list_head list
;
124 * Generic queue structure
126 * Contains common data for Rx and Tx queues
129 int n_bd
; /* number of BDs in this queue */
130 int write_ptr
; /* 1-st empty entry (index) host_w*/
131 int read_ptr
; /* last used entry (index) host_r*/
132 dma_addr_t dma_addr
; /* physical addr for BD's */
133 int n_window
; /* safe queue window */
135 int low_mark
; /* low watermark, resume queue if free
136 * space more than this */
137 int high_mark
; /* high watermark, stop queue if free
138 * space less than this */
139 } __attribute__ ((packed
));
141 /* One for each TFD */
143 struct sk_buff
*skb
[IWL_NUM_OF_TBS
- 1];
147 * struct iwl_tx_queue - Tx Queue for DMA
148 * @q: generic Rx/Tx queue descriptor
149 * @bd: base of circular buffer of TFDs
150 * @cmd: array of command/Tx buffers
151 * @dma_addr_cmd: physical address of cmd/tx buffer array
152 * @txb: array of per-TFD driver data
153 * @need_update: indicates need to update read/write index
154 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
156 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
157 * descriptors) and required locking structures.
159 #define TFD_TX_CMD_SLOTS 256
160 #define TFD_CMD_SLOTS 32
162 struct iwl_tx_queue
{
165 struct iwl_cmd
*cmd
[TFD_TX_CMD_SLOTS
];
166 struct iwl_tx_info
*txb
;
173 #define IWL_NUM_SCAN_RATES (2)
175 struct iwl4965_channel_tgd_info
{
180 struct iwl4965_channel_tgh_info
{
184 #define IWL4965_MAX_RATE (33)
186 struct iwl3945_clip_group
{
187 /* maximum power level to prevent clipping for each rate, derived by
188 * us from this band's saturation power in EEPROM */
189 const s8 clip_powers
[IWL_MAX_RATES
];
192 /* current Tx power values to use, one for each rate for each channel.
193 * requested power is limited by:
194 * -- regulatory EEPROM limits for this channel
195 * -- hardware capabilities (clip-powers)
196 * -- spectrum management
197 * -- user preference (e.g. iwconfig)
198 * when requested power is set, base power index must also be set. */
199 struct iwl3945_channel_power_info
{
200 struct iwl3945_tx_power tpc
; /* actual radio and DSP gain settings */
201 s8 power_table_index
; /* actual (compenst'd) index into gain table */
202 s8 base_power_index
; /* gain index for power at factory temp. */
203 s8 requested_power
; /* power (dBm) requested for this chnl/rate */
206 /* current scan Tx power values to use, one for each scan rate for each
208 struct iwl3945_scan_power_info
{
209 struct iwl3945_tx_power tpc
; /* actual radio and DSP gain settings */
210 s8 power_table_index
; /* actual (compenst'd) index into gain table */
211 s8 requested_power
; /* scan pwr (dBm) requested for chnl/rate */
215 * One for each channel, holds all channel setup data
216 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
219 struct iwl_channel_info
{
220 struct iwl4965_channel_tgd_info tgd
;
221 struct iwl4965_channel_tgh_info tgh
;
222 struct iwl_eeprom_channel eeprom
; /* EEPROM regulatory limit */
223 struct iwl_eeprom_channel fat_eeprom
; /* EEPROM regulatory limit for
226 u8 channel
; /* channel number */
227 u8 flags
; /* flags copied from EEPROM */
228 s8 max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
229 s8 curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) limit */
230 s8 min_power
; /* always 0 */
231 s8 scan_power
; /* (dBm) regul. eeprom, direct scans, any rate */
233 u8 group_index
; /* 0-4, maps channel to group1/2/3/4/5 */
234 u8 band_index
; /* 0-4, maps channel to band1/2/3/4/5 */
235 enum ieee80211_band band
;
237 /* FAT channel info */
238 s8 fat_max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
239 s8 fat_curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) */
240 s8 fat_min_power
; /* always 0 */
241 s8 fat_scan_power
; /* (dBm) eeprom, direct scans, any rate */
242 u8 fat_flags
; /* flags copied from EEPROM */
243 u8 fat_extension_channel
; /* HT_IE_EXT_CHANNEL_* */
245 /* Radio/DSP gain settings for each "normal" data Tx rate.
246 * These include, in addition to RF and DSP gain, a few fields for
247 * remembering/modifying gain settings (indexes). */
248 struct iwl3945_channel_power_info power_info
[IWL4965_MAX_RATE
];
250 /* Radio/DSP gain settings for each scan rate, for directed scans. */
251 struct iwl3945_scan_power_info scan_pwr_info
[IWL_NUM_SCAN_RATES
];
254 #define IWL_TX_FIFO_AC0 0
255 #define IWL_TX_FIFO_AC1 1
256 #define IWL_TX_FIFO_AC2 2
257 #define IWL_TX_FIFO_AC3 3
258 #define IWL_TX_FIFO_HCCA_1 5
259 #define IWL_TX_FIFO_HCCA_2 6
260 #define IWL_TX_FIFO_NONE 7
262 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
263 #define IWL_MIN_NUM_QUEUES 4
265 /* Power management (not Tx power) structures */
272 #define IEEE80211_DATA_LEN 2304
273 #define IEEE80211_4ADDR_LEN 30
274 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
275 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
279 struct ieee80211_hdr frame
;
280 struct iwl_tx_beacon_cmd beacon
;
281 u8 raw
[IEEE80211_FRAME_LEN
];
284 struct list_head list
;
287 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
288 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
289 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
292 /* CMD_SIZE_NORMAL = 0, */
293 CMD_SIZE_HUGE
= (1 << 0),
295 CMD_ASYNC
= (1 << 1),
296 /* CMD_NO_SKB = 0, */
297 CMD_WANT_SKB
= (1 << 2),
303 struct iwl_cmd_meta
{
304 struct iwl_cmd_meta
*source
;
307 int (*callback
)(struct iwl_priv
*priv
,
308 struct iwl_cmd
*cmd
, struct sk_buff
*skb
);
309 } __attribute__ ((packed
)) u
;
311 /* The CMD_SIZE_HUGE flag bit indicates that the command
312 * structure is stored at the end of the shared queue memory. */
314 DECLARE_PCI_UNMAP_ADDR(mapping
)
315 DECLARE_PCI_UNMAP_LEN(len
)
316 } __attribute__ ((packed
));
318 #define IWL_CMD_MAX_PAYLOAD 320
323 * For allocation of the command and tx queues, this establishes the overall
324 * size of the largest command we send to uCode, except for a scan command
325 * (which is relatively huge; space is allocated separately).
328 struct iwl_cmd_meta meta
; /* driver data */
329 struct iwl_cmd_header hdr
; /* uCode API */
335 struct iwl_tx_cmd tx
;
336 u8 payload
[IWL_CMD_MAX_PAYLOAD
];
337 } __attribute__ ((packed
)) cmd
;
338 } __attribute__ ((packed
));
341 struct iwl_host_cmd
{
344 struct iwl_cmd_meta meta
;
348 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
349 sizeof(struct iwl_cmd_meta))
352 * RX related structures and functions
354 #define RX_FREE_BUFFERS 64
355 #define RX_LOW_WATERMARK 8
357 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
358 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
359 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
362 * struct iwl_rx_queue - Rx queue
363 * @read: Shared index to newest available Rx buffer
364 * @write: Shared index to oldest written Rx packet
365 * @free_count: Number of pre-allocated buffers in rx_free
366 * @rx_free: list of free SKBs for use
367 * @rx_used: List of Rx buffers with no SKB
368 * @need_update: flag to indicate we need to update read/write index
370 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
372 struct iwl_rx_queue
{
375 struct iwl_rx_mem_buffer pool
[RX_QUEUE_SIZE
+ RX_FREE_BUFFERS
];
376 struct iwl_rx_mem_buffer
*queue
[RX_QUEUE_SIZE
];
380 struct list_head rx_free
;
381 struct list_head rx_used
;
383 struct iwl_rb_status
*rb_stts
;
384 dma_addr_t rb_stts_dma
;
388 #define IWL_SUPPORTED_RATES_IE_LEN 8
390 #define MAX_TID_COUNT 9
392 #define IWL_INVALID_RATE 0xFF
393 #define IWL_INVALID_VALUE -1
396 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
397 * @txq_id: Tx queue used for Tx attempt
398 * @frame_count: # frames attempted by Tx command
399 * @wait_for_ba: Expect block-ack before next Tx reply
400 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
401 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
402 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
403 * @rate_n_flags: Rate at which Tx was attempted
405 * If REPLY_TX indicates that aggregation was attempted, driver must wait
406 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
407 * until block ack arrives.
416 #define IWL_AGG_OFF 0
418 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
419 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
424 struct iwl_tid_data
{
427 struct iwl_ht_agg agg
;
431 enum ieee80211_key_alg alg
;
437 union iwl_ht_rate_supp
{
445 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
446 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
447 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
450 /* self configuration data */
452 u8 supported_chan_width
;
455 u8 sgf
; /* HT_SHORT_GI_* short guard interval */
459 struct ieee80211_mcs_info mcs
;
460 /* BSS related data */
461 u8 extension_chan_offset
;
464 u8 non_GF_STA_present
;
467 union iwl_qos_capabity
{
469 u8 edca_count
:4; /* bit 0-3 */
470 u8 q_ack
:1; /* bit 4 */
471 u8 queue_request
:1; /* bit 5 */
472 u8 txop_request
:1; /* bit 6 */
473 u8 reserved
:1; /* bit 7 */
476 u8 acvo_APSD
:1; /* bit 0 */
477 u8 acvi_APSD
:1; /* bit 1 */
478 u8 ac_bk_APSD
:1; /* bit 2 */
479 u8 ac_be_APSD
:1; /* bit 3 */
480 u8 q_ack
:1; /* bit 4 */
481 u8 max_len
:2; /* bit 5-6 */
482 u8 more_data_ack
:1; /* bit 7 */
488 struct iwl_qos_info
{
490 union iwl_qos_capabity qos_cap
;
491 struct iwl_qosparam_cmd def_qos_parm
;
494 #define STA_PS_STATUS_WAKE 0
495 #define STA_PS_STATUS_SLEEP 1
497 struct iwl3945_tid_data
{
501 struct iwl3945_hw_key
{
502 enum ieee80211_key_alg alg
;
507 struct iwl3945_station_entry
{
508 struct iwl3945_addsta_cmd sta
;
509 struct iwl3945_tid_data tid
[MAX_TID_COUNT
];
512 struct iwl3945_hw_key keyinfo
;
515 struct iwl_station_entry
{
516 struct iwl_addsta_cmd sta
;
517 struct iwl_tid_data tid
[MAX_TID_COUNT
];
520 struct iwl_hw_key keyinfo
;
523 /* one for each uCode image (inst/data, boot/init/runtime) */
525 void *v_addr
; /* access by driver */
526 dma_addr_t p_addr
; /* access by card's busmaster DMA */
530 /* uCode file layout */
532 __le32 ver
; /* major/minor/API/serial */
533 __le32 inst_size
; /* bytes of runtime instructions */
534 __le32 data_size
; /* bytes of runtime data */
535 __le32 init_size
; /* bytes of initialization instructions */
536 __le32 init_data_size
; /* bytes of initialization data */
537 __le32 boot_size
; /* bytes of bootstrap instructions */
538 u8 data
[0]; /* data in same order as "size" elements */
541 struct iwl4965_ibss_seq
{
545 unsigned long packet_time
;
546 struct list_head list
;
549 struct iwl_sensitivity_ranges
{
556 u16 auto_corr_min_ofdm
;
557 u16 auto_corr_min_ofdm_mrc
;
558 u16 auto_corr_min_ofdm_x1
;
559 u16 auto_corr_min_ofdm_mrc_x1
;
561 u16 auto_corr_max_ofdm
;
562 u16 auto_corr_max_ofdm_mrc
;
563 u16 auto_corr_max_ofdm_x1
;
564 u16 auto_corr_max_ofdm_mrc_x1
;
566 u16 auto_corr_max_cck
;
567 u16 auto_corr_max_cck_mrc
;
568 u16 auto_corr_min_cck
;
569 u16 auto_corr_min_cck_mrc
;
573 #define KELVIN_TO_CELSIUS(x) ((x)-273)
574 #define CELSIUS_TO_KELVIN(x) ((x)+273)
578 * struct iwl_hw_params
579 * @max_txq_num: Max # Tx queues supported
580 * @dma_chnl_num: Number of Tx DMA/FIFO channels
581 * @scd_bc_tbls_size: size of scheduler byte count tables
582 * @tfd_size: TFD size
583 * @tx/rx_chains_num: Number of TX/RX chains
584 * @valid_tx/rx_ant: usable antennas
585 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
586 * @max_rxq_log: Log-base-2 of max_rxq_size
587 * @rx_buf_size: Rx buffer size
588 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
591 * @fat_channel: is 40MHz width possible in band 2.4
592 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
593 * @sw_crypto: 0 for hw, 1 for sw
594 * @max_xxx_size: for ucode uses
595 * @ct_kill_threshold: temperature threshold
596 * @calib_init_cfg: setup initial calibrations for the hw
597 * @struct iwl_sensitivity_ranges: range of sensitivity values
599 struct iwl_hw_params
{
602 u16 scd_bc_tbls_size
;
620 u32 ct_kill_threshold
; /* value in hw-dependent units */
622 const struct iwl_sensitivity_ranges
*sens
;
626 /******************************************************************************
628 * Functions implemented in core module which are forward declared here
629 * for use by iwl-[4-5].c
631 * NOTE: The implementation of these functions are not hardware specific
632 * which is why they are in the core module files.
634 * Naming convention --
635 * iwl_ <-- Is part of iwlwifi
636 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
637 * iwl4965_bg_ <-- Called from work queue context
638 * iwl4965_mac_ <-- mac80211 callback
640 ****************************************************************************/
641 extern void iwl_update_chain_flags(struct iwl_priv
*priv
);
642 extern int iwl_set_pwr_src(struct iwl_priv
*priv
, enum iwl_pwr_src src
);
643 extern const u8 iwl_bcast_addr
[ETH_ALEN
];
644 extern int iwl_rxq_stop(struct iwl_priv
*priv
);
645 extern void iwl_txq_ctx_stop(struct iwl_priv
*priv
);
646 extern int iwl_queue_space(const struct iwl_queue
*q
);
647 static inline int iwl_queue_used(const struct iwl_queue
*q
, int i
)
649 return q
->write_ptr
> q
->read_ptr
?
650 (i
>= q
->read_ptr
&& i
< q
->write_ptr
) :
651 !(i
< q
->read_ptr
&& i
>= q
->write_ptr
);
655 static inline u8
get_cmd_index(struct iwl_queue
*q
, u32 index
, int is_huge
)
657 /* This is for scan command, the big buffer at end of command array */
659 return q
->n_window
; /* must be power of 2 */
661 /* Otherwise, use normal size buffers */
662 return index
& (q
->n_window
- 1);
672 #define HT_SHORT_GI_20MHZ (1 << 0)
673 #define HT_SHORT_GI_40MHZ (1 << 1)
675 #define IWL_CHANNEL_WIDTH_20MHZ 0
676 #define IWL_CHANNEL_WIDTH_40MHZ 1
678 #define IWL_OPERATION_MODE_AUTO 0
679 #define IWL_OPERATION_MODE_HT_ONLY 1
680 #define IWL_OPERATION_MODE_MIXED 2
681 #define IWL_OPERATION_MODE_20MHZ 3
683 #define IWL_TX_CRC_SIZE 4
684 #define IWL_TX_DELIMITER_SIZE 4
686 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
688 /* Sensitivity and chain noise calibration */
689 #define INITIALIZATION_VALUE 0xFFFF
690 #define CAL_NUM_OF_BEACONS 20
691 #define MAXIMUM_ALLOWED_PATHLOSS 15
693 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
695 #define MAX_FA_OFDM 50
696 #define MIN_FA_OFDM 5
697 #define MAX_FA_CCK 50
700 #define AUTO_CORR_STEP_OFDM 1
702 #define AUTO_CORR_STEP_CCK 3
703 #define AUTO_CORR_MAX_TH_CCK 160
706 #define NRG_STEP_CCK 2
708 #define MAX_NUMBER_CCK_NO_FA 100
710 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
715 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
716 #define ALL_BAND_FILTER 0xFF00
717 #define IN_BAND_FILTER 0xFF
718 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
720 #define NRG_NUM_PREV_STAT_L 20
721 #define NUM_RX_CHAINS 3
723 enum iwl4965_false_alarm_state
{
726 IWL_FA_GOOD_RANGE
= 2,
729 enum iwl4965_chain_noise_state
{
730 IWL_CHAIN_NOISE_ALIVE
= 0, /* must be 0 */
731 IWL_CHAIN_NOISE_ACCUMULATE
,
732 IWL_CHAIN_NOISE_CALIBRATED
,
733 IWL_CHAIN_NOISE_DONE
,
736 enum iwl4965_calib_enabled_state
{
737 IWL_CALIB_DISABLED
= 0, /* must be 0 */
738 IWL_CALIB_ENABLED
= 1,
744 * defines the order in which results of initial calibrations
745 * should be sent to the runtime uCode
752 IWL_CALIB_TX_IQ_PERD
,
757 /* Opaque calibration results */
758 struct iwl_calib_result
{
769 /* Sensitivity calib data */
770 struct iwl_sensitivity_data
{
772 u32 auto_corr_ofdm_mrc
;
773 u32 auto_corr_ofdm_x1
;
774 u32 auto_corr_ofdm_mrc_x1
;
776 u32 auto_corr_cck_mrc
;
778 u32 last_bad_plcp_cnt_ofdm
;
779 u32 last_fa_cnt_ofdm
;
780 u32 last_bad_plcp_cnt_cck
;
786 u8 nrg_silence_rssi
[NRG_NUM_PREV_STAT_L
];
791 s32 nrg_auto_corr_silence_diff
;
792 u32 num_in_cck_no_fa
;
796 /* Chain noise (differential Rx gain) calib data */
797 struct iwl_chain_noise_data
{
806 u8 disconn_array
[NUM_RX_CHAINS
];
807 u8 delta_gain_code
[NUM_RX_CHAINS
];
812 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
813 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
817 MEASUREMENT_READY
= (1 << 0),
818 MEASUREMENT_ACTIVE
= (1 << 1),
822 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
826 /* ieee device used by generic ieee processing code */
827 struct ieee80211_hw
*hw
;
828 struct ieee80211_channel
*ieee_channels
;
829 struct ieee80211_rate
*ieee_rates
;
832 /* temporary frame storage list */
833 struct list_head free_frames
;
836 enum ieee80211_band band
;
839 void (*rx_handlers
[REPLY_MAX
])(struct iwl_priv
*priv
,
840 struct iwl_rx_mem_buffer
*rxb
);
842 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
844 #if defined(CONFIG_IWLAGN_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
845 /* spectrum measurement report caching */
846 struct iwl_spectrum_notification measure_report
;
847 u8 measurement_status
;
849 /* ucode beacon time */
850 u32 ucode_beacon_time
;
852 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
853 * Access via channel # using indirect index array */
854 struct iwl_channel_info
*channel_info
; /* channel info array */
855 u8 channel_count
; /* # of channels */
857 /* each calibration channel group in the EEPROM has a derived
858 * clip setting for each rate. 3945 only.*/
859 const struct iwl3945_clip_group clip39_groups
[5];
861 /* thermal calibration */
862 s32 temperature
; /* degrees Kelvin */
863 s32 last_temperature
;
865 /* init calibration results */
866 struct iwl_calib_result calib_results
[IWL_CALIB_MAX
];
868 /* Scan related variables */
869 unsigned long last_scan_jiffies
;
870 unsigned long next_scan_jiffies
;
871 unsigned long scan_start
;
872 unsigned long scan_pass_start
;
873 unsigned long scan_start_tsf
;
878 u8 direct_ssid
[IW_ESSID_MAX_SIZE
];
879 u8 scan_tx_ant
[IEEE80211_NUM_BANDS
];
883 spinlock_t lock
; /* protect general shared data */
884 spinlock_t hcmd_lock
; /* protect hcmd */
887 /* basic pci-network driver stuff */
888 struct pci_dev
*pci_dev
;
890 /* pci hardware address support */
891 void __iomem
*hw_base
;
896 /* uCode images, save to reload in case of failure */
897 u32 ucode_ver
; /* version of ucode, copy of
899 struct fw_desc ucode_code
; /* runtime inst */
900 struct fw_desc ucode_data
; /* runtime data original */
901 struct fw_desc ucode_data_backup
; /* runtime data save/restore */
902 struct fw_desc ucode_init
; /* initialization inst */
903 struct fw_desc ucode_init_data
; /* initialization data */
904 struct fw_desc ucode_boot
; /* bootstrap inst */
905 enum ucode_type ucode_type
;
906 u8 ucode_write_complete
; /* the image write is complete */
909 struct iwl_rxon_time_cmd rxon_timing
;
911 /* We declare this const so it can only be
912 * changed via explicit cast within the
913 * routines that actually update the physical
915 const struct iwl_rxon_cmd active_rxon
;
916 struct iwl_rxon_cmd staging_rxon
;
918 int error_recovering
;
919 struct iwl_rxon_cmd recovery_rxon
;
921 /* 1st responses from initialize and runtime uCode images.
922 * 4965's initialize alive response contains some calibration data. */
923 struct iwl_init_alive_resp card_alive_init
;
924 struct iwl_alive_resp card_alive
;
925 #if defined(CONFIG_IWLWIFI_RFKILL) || defined(CONFIG_IWL3945_RFKILL)
926 struct rfkill
*rfkill
;
929 #if defined(CONFIG_IWLWIFI_LEDS) || defined(CONFIG_IWL3945_LEDS)
930 unsigned long last_blink_time
;
936 #ifdef CONFIG_IWLWIFI_LEDS
937 struct iwl_led led
[IWL_LED_TRG_MAX
];
940 #ifdef CONFIG_IWL3945_LEDS
941 struct iwl3945_led led39
[IWL_LED_TRG_MAX
];
942 unsigned int rxtxpackets
;
945 u16 active_rate_basic
;
947 u8 assoc_station_added
;
949 struct iwl_sensitivity_data sensitivity_data
;
950 struct iwl_chain_noise_data chain_noise_data
;
951 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
953 struct iwl_ht_info current_ht_config
;
954 u8 last_phy_res
[100];
956 /* Rate scaling data */
960 wait_queue_head_t wait_command_queue
;
962 int activity_timer_active
;
964 /* Rx and Tx DMA processing queues */
965 struct iwl_rx_queue rxq
;
966 struct iwl_tx_queue txq
[IWL_MAX_NUM_QUEUES
];
967 unsigned long txq_ctx_active_msk
;
968 struct iwl_dma_ptr kw
; /* keep warm address */
969 struct iwl_dma_ptr scd_bc_tbls
;
971 u32 scd_base_addr
; /* scheduler sram base address */
973 unsigned long status
;
975 int last_rx_rssi
; /* From Rx packet statistics */
976 int last_rx_noise
; /* From beacon statistics */
978 /* counts mgmt, ctl, and data packets */
979 struct traffic_stats
{
982 } tx_stats
[3], rx_stats
[3];
984 struct iwl_power_mgr power_data
;
986 struct iwl_notif_statistics statistics
;
987 unsigned long last_statistics_time
;
989 /* context information */
995 u8 mac_addr
[ETH_ALEN
];
997 /*station table variables */
1000 struct iwl_station_entry stations
[IWL_STATION_COUNT
];
1001 struct iwl_wep_key wep_keys
[WEP_KEYS_MAX
];
1004 unsigned long ucode_key_table
;
1006 /* Indication if ieee80211_ops->open has been called */
1009 u8 mac80211_registered
;
1011 /* Rx'd packet timing information */
1012 u32 last_beacon_time
;
1017 struct iwl_eeprom_calib_info
*calib_info
;
1019 enum nl80211_iftype iw_mode
;
1021 struct sk_buff
*ibss_beacon
;
1023 /* Last Rx'd beacon timestamp */
1026 struct ieee80211_vif
*vif
;
1030 dma_addr_t shared_phys
;
1032 struct iwl_hw_params hw_params
;
1035 /* Current association information needed to configure the
1038 u16 assoc_capability
;
1040 struct iwl_qos_info qos_data
;
1042 struct workqueue_struct
*workqueue
;
1044 struct work_struct up
;
1045 struct work_struct restart
;
1046 struct work_struct calibrated_work
;
1047 struct work_struct scan_completed
;
1048 struct work_struct rx_replenish
;
1049 struct work_struct rf_kill
;
1050 struct work_struct abort_scan
;
1051 struct work_struct update_link_led
;
1052 struct work_struct auth_work
;
1053 struct work_struct report_work
;
1054 struct work_struct request_scan
;
1055 struct work_struct beacon_update
;
1057 struct tasklet_struct irq_tasklet
;
1059 struct delayed_work set_power_save
;
1060 struct delayed_work init_alive_start
;
1061 struct delayed_work alive_start
;
1062 struct delayed_work scan_check
;
1065 struct delayed_work thermal_periodic
;
1066 struct delayed_work rfkill_poll
;
1069 s8 tx_power_user_lmt
;
1070 s8 tx_power_channel_lmt
;
1073 #ifdef CONFIG_IWLWIFI_DEBUG
1074 /* debugging info */
1077 atomic_t restrict_refcnt
;
1078 #ifdef CONFIG_IWLWIFI_DEBUGFS
1080 struct iwl_debugfs
*dbgfs
;
1081 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1082 #endif /* CONFIG_IWLWIFI_DEBUG */
1084 struct work_struct txpower_work
;
1085 u32 disable_sens_cal
;
1086 u32 disable_chain_noise_cal
;
1087 u32 disable_tx_power_cal
;
1088 struct work_struct run_time_calib_work
;
1089 struct timer_list statistics_periodic
;
1092 #define IWL_DEFAULT_TX_POWER 0x0F
1094 struct iwl3945_notif_statistics statistics_39
;
1096 struct iwl3945_station_entry stations_39
[IWL_STATION_COUNT
];
1101 static inline void iwl_txq_ctx_activate(struct iwl_priv
*priv
, int txq_id
)
1103 set_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1106 static inline void iwl_txq_ctx_deactivate(struct iwl_priv
*priv
, int txq_id
)
1108 clear_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1111 #ifdef CONFIG_IWLWIFI_DEBUG
1112 const char *iwl_get_tx_fail_reason(u32 status
);
1114 static inline const char *iwl_get_tx_fail_reason(u32 status
) { return ""; }
1118 static inline struct ieee80211_hdr
*iwl_tx_queue_get_hdr(struct iwl_priv
*priv
,
1119 int txq_id
, int idx
)
1121 if (priv
->txq
[txq_id
].txb
[idx
].skb
[0])
1122 return (struct ieee80211_hdr
*)priv
->txq
[txq_id
].
1123 txb
[idx
].skb
[0]->data
;
1128 static inline int iwl_is_associated(struct iwl_priv
*priv
)
1130 return (priv
->active_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1133 static inline int is_channel_valid(const struct iwl_channel_info
*ch_info
)
1135 if (ch_info
== NULL
)
1137 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1140 static inline int is_channel_radar(const struct iwl_channel_info
*ch_info
)
1142 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1145 static inline u8
is_channel_a_band(const struct iwl_channel_info
*ch_info
)
1147 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
1150 static inline u8
is_channel_bg_band(const struct iwl_channel_info
*ch_info
)
1152 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
1155 static inline int is_channel_passive(const struct iwl_channel_info
*ch
)
1157 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1160 static inline int is_channel_ibss(const struct iwl_channel_info
*ch
)
1162 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1165 #endif /* __iwl_dev_h__ */