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 iwl1000_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
;
73 extern struct iwl_station_mgmt_ops iwl5000_station_mgmt
;
75 /* shared functions from iwl-5000.c */
76 extern u16
iwl5000_get_hcmd_size(u8 cmd_id
, u16 len
);
77 extern u16
iwl5000_build_addsta_hcmd(const struct iwl_addsta_cmd
*cmd
,
79 extern void iwl5000_rts_tx_cmd_flag(struct ieee80211_tx_info
*info
,
81 extern int iwl5000_calc_rssi(struct iwl_priv
*priv
,
82 struct iwl_rx_phy_res
*rx_resp
);
84 /* CT-KILL constants */
85 #define CT_KILL_THRESHOLD 110 /* in Celsius */
87 /* Default noise level to report when noise measurement is not available.
88 * This may be because we're:
89 * 1) Not associated (4965, no beacon statistics being sent to driver)
90 * 2) Scanning (noise measurement does not apply to associated channel)
91 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
92 * Use default noise value of -127 ... this is below the range of measurable
93 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
94 * Also, -127 works better than 0 when averaging frames with/without
95 * noise info (e.g. averaging might be done in app); measured dBm values are
96 * always negative ... using a negative value as the default keeps all
97 * averages within an s8's (used in some apps) range of negative values. */
98 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
101 * RTS threshold here is total size [2347] minus 4 FCS bytes
103 * a value of 0 means RTS on all data/management packets
104 * a value > max MSDU size means no RTS
105 * else RTS for data/management frames where MPDU is larger
108 #define DEFAULT_RTS_THRESHOLD 2347U
109 #define MIN_RTS_THRESHOLD 0U
110 #define MAX_RTS_THRESHOLD 2347U
111 #define MAX_MSDU_SIZE 2304U
112 #define MAX_MPDU_SIZE 2346U
113 #define DEFAULT_BEACON_INTERVAL 100U
114 #define DEFAULT_SHORT_RETRY_LIMIT 7U
115 #define DEFAULT_LONG_RETRY_LIMIT 4U
117 struct iwl_rx_mem_buffer
{
118 dma_addr_t real_dma_addr
;
119 dma_addr_t aligned_dma_addr
;
121 struct list_head list
;
125 * Generic queue structure
127 * Contains common data for Rx and Tx queues
130 int n_bd
; /* number of BDs in this queue */
131 int write_ptr
; /* 1-st empty entry (index) host_w*/
132 int read_ptr
; /* last used entry (index) host_r*/
133 dma_addr_t dma_addr
; /* physical addr for BD's */
134 int n_window
; /* safe queue window */
136 int low_mark
; /* low watermark, resume queue if free
137 * space more than this */
138 int high_mark
; /* high watermark, stop queue if free
139 * space less than this */
140 } __attribute__ ((packed
));
142 /* One for each TFD */
144 struct sk_buff
*skb
[IWL_NUM_OF_TBS
- 1];
148 * struct iwl_tx_queue - Tx Queue for DMA
149 * @q: generic Rx/Tx queue descriptor
150 * @bd: base of circular buffer of TFDs
151 * @cmd: array of command/Tx buffers
152 * @dma_addr_cmd: physical address of cmd/tx buffer array
153 * @txb: array of per-TFD driver data
154 * @need_update: indicates need to update read/write index
155 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
157 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
158 * descriptors) and required locking structures.
160 #define TFD_TX_CMD_SLOTS 256
161 #define TFD_CMD_SLOTS 32
163 struct iwl_tx_queue
{
166 struct iwl_cmd
*cmd
[TFD_TX_CMD_SLOTS
];
167 struct iwl_tx_info
*txb
;
174 #define IWL_NUM_SCAN_RATES (2)
176 struct iwl4965_channel_tgd_info
{
181 struct iwl4965_channel_tgh_info
{
185 #define IWL4965_MAX_RATE (33)
187 struct iwl3945_clip_group
{
188 /* maximum power level to prevent clipping for each rate, derived by
189 * us from this band's saturation power in EEPROM */
190 const s8 clip_powers
[IWL_MAX_RATES
];
193 /* current Tx power values to use, one for each rate for each channel.
194 * requested power is limited by:
195 * -- regulatory EEPROM limits for this channel
196 * -- hardware capabilities (clip-powers)
197 * -- spectrum management
198 * -- user preference (e.g. iwconfig)
199 * when requested power is set, base power index must also be set. */
200 struct iwl3945_channel_power_info
{
201 struct iwl3945_tx_power tpc
; /* actual radio and DSP gain settings */
202 s8 power_table_index
; /* actual (compenst'd) index into gain table */
203 s8 base_power_index
; /* gain index for power at factory temp. */
204 s8 requested_power
; /* power (dBm) requested for this chnl/rate */
207 /* current scan Tx power values to use, one for each scan rate for each
209 struct iwl3945_scan_power_info
{
210 struct iwl3945_tx_power tpc
; /* actual radio and DSP gain settings */
211 s8 power_table_index
; /* actual (compenst'd) index into gain table */
212 s8 requested_power
; /* scan pwr (dBm) requested for chnl/rate */
216 * One for each channel, holds all channel setup data
217 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
220 struct iwl_channel_info
{
221 struct iwl4965_channel_tgd_info tgd
;
222 struct iwl4965_channel_tgh_info tgh
;
223 struct iwl_eeprom_channel eeprom
; /* EEPROM regulatory limit */
224 struct iwl_eeprom_channel fat_eeprom
; /* EEPROM regulatory limit for
227 u8 channel
; /* channel number */
228 u8 flags
; /* flags copied from EEPROM */
229 s8 max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
230 s8 curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) limit */
231 s8 min_power
; /* always 0 */
232 s8 scan_power
; /* (dBm) regul. eeprom, direct scans, any rate */
234 u8 group_index
; /* 0-4, maps channel to group1/2/3/4/5 */
235 u8 band_index
; /* 0-4, maps channel to band1/2/3/4/5 */
236 enum ieee80211_band band
;
238 /* FAT channel info */
239 s8 fat_max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
240 s8 fat_curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) */
241 s8 fat_min_power
; /* always 0 */
242 s8 fat_scan_power
; /* (dBm) eeprom, direct scans, any rate */
243 u8 fat_flags
; /* flags copied from EEPROM */
244 u8 fat_extension_channel
; /* HT_IE_EXT_CHANNEL_* */
246 /* Radio/DSP gain settings for each "normal" data Tx rate.
247 * These include, in addition to RF and DSP gain, a few fields for
248 * remembering/modifying gain settings (indexes). */
249 struct iwl3945_channel_power_info power_info
[IWL4965_MAX_RATE
];
251 /* Radio/DSP gain settings for each scan rate, for directed scans. */
252 struct iwl3945_scan_power_info scan_pwr_info
[IWL_NUM_SCAN_RATES
];
255 #define IWL_TX_FIFO_AC0 0
256 #define IWL_TX_FIFO_AC1 1
257 #define IWL_TX_FIFO_AC2 2
258 #define IWL_TX_FIFO_AC3 3
259 #define IWL_TX_FIFO_HCCA_1 5
260 #define IWL_TX_FIFO_HCCA_2 6
261 #define IWL_TX_FIFO_NONE 7
263 /* Minimum number of queues. MAX_NUM is defined in hw specific files */
264 #define IWL_MIN_NUM_QUEUES 4
266 /* Power management (not Tx power) structures */
273 #define IEEE80211_DATA_LEN 2304
274 #define IEEE80211_4ADDR_LEN 30
275 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
276 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
280 struct ieee80211_hdr frame
;
281 struct iwl_tx_beacon_cmd beacon
;
282 u8 raw
[IEEE80211_FRAME_LEN
];
285 struct list_head list
;
288 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
289 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
290 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
293 /* CMD_SIZE_NORMAL = 0, */
294 CMD_SIZE_HUGE
= (1 << 0),
296 CMD_ASYNC
= (1 << 1),
297 /* CMD_NO_SKB = 0, */
298 CMD_WANT_SKB
= (1 << 2),
304 struct iwl_cmd_meta
{
305 struct iwl_cmd_meta
*source
;
308 int (*callback
)(struct iwl_priv
*priv
,
309 struct iwl_cmd
*cmd
, struct sk_buff
*skb
);
310 } __attribute__ ((packed
)) u
;
312 /* The CMD_SIZE_HUGE flag bit indicates that the command
313 * structure is stored at the end of the shared queue memory. */
315 DECLARE_PCI_UNMAP_ADDR(mapping
)
316 DECLARE_PCI_UNMAP_LEN(len
)
317 } __attribute__ ((packed
));
319 #define IWL_CMD_MAX_PAYLOAD 320
324 * For allocation of the command and tx queues, this establishes the overall
325 * size of the largest command we send to uCode, except for a scan command
326 * (which is relatively huge; space is allocated separately).
329 struct iwl_cmd_meta meta
; /* driver data */
330 struct iwl_cmd_header hdr
; /* uCode API */
336 struct iwl_tx_cmd tx
;
337 u8 payload
[IWL_CMD_MAX_PAYLOAD
];
338 } __attribute__ ((packed
)) cmd
;
339 } __attribute__ ((packed
));
342 struct iwl_host_cmd
{
345 struct iwl_cmd_meta meta
;
349 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
350 sizeof(struct iwl_cmd_meta))
353 * RX related structures and functions
355 #define RX_FREE_BUFFERS 64
356 #define RX_LOW_WATERMARK 8
358 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
359 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
360 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
363 * struct iwl_rx_queue - Rx queue
364 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
365 * @dma_addr: bus address of buffer of receive buffer descriptors (rbd)
366 * @read: Shared index to newest available Rx buffer
367 * @write: Shared index to oldest written Rx packet
368 * @free_count: Number of pre-allocated buffers in rx_free
369 * @rx_free: list of free SKBs for use
370 * @rx_used: List of Rx buffers with no SKB
371 * @need_update: flag to indicate we need to update read/write index
372 * @rb_stts: driver's pointer to receive buffer status
373 * @rb_stts_dma: bus address of receive buffer status
375 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
377 struct iwl_rx_queue
{
380 struct iwl_rx_mem_buffer pool
[RX_QUEUE_SIZE
+ RX_FREE_BUFFERS
];
381 struct iwl_rx_mem_buffer
*queue
[RX_QUEUE_SIZE
];
386 struct list_head rx_free
;
387 struct list_head rx_used
;
389 struct iwl_rb_status
*rb_stts
;
390 dma_addr_t rb_stts_dma
;
394 #define IWL_SUPPORTED_RATES_IE_LEN 8
396 #define MAX_TID_COUNT 9
398 #define IWL_INVALID_RATE 0xFF
399 #define IWL_INVALID_VALUE -1
402 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
403 * @txq_id: Tx queue used for Tx attempt
404 * @frame_count: # frames attempted by Tx command
405 * @wait_for_ba: Expect block-ack before next Tx reply
406 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
407 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
408 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
409 * @rate_n_flags: Rate at which Tx was attempted
411 * If REPLY_TX indicates that aggregation was attempted, driver must wait
412 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
413 * until block ack arrives.
422 #define IWL_AGG_OFF 0
424 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
425 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
430 struct iwl_tid_data
{
433 struct iwl_ht_agg agg
;
437 enum ieee80211_key_alg alg
;
443 union iwl_ht_rate_supp
{
451 #define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
452 #define CFG_HT_MPDU_DENSITY_2USEC (0x5)
453 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
456 /* self configuration data */
458 u8 supported_chan_width
;
461 u8 sgf
; /* HT_SHORT_GI_* short guard interval */
465 struct ieee80211_mcs_info mcs
;
466 /* BSS related data */
467 u8 extension_chan_offset
;
470 u8 non_GF_STA_present
;
473 union iwl_qos_capabity
{
475 u8 edca_count
:4; /* bit 0-3 */
476 u8 q_ack
:1; /* bit 4 */
477 u8 queue_request
:1; /* bit 5 */
478 u8 txop_request
:1; /* bit 6 */
479 u8 reserved
:1; /* bit 7 */
482 u8 acvo_APSD
:1; /* bit 0 */
483 u8 acvi_APSD
:1; /* bit 1 */
484 u8 ac_bk_APSD
:1; /* bit 2 */
485 u8 ac_be_APSD
:1; /* bit 3 */
486 u8 q_ack
:1; /* bit 4 */
487 u8 max_len
:2; /* bit 5-6 */
488 u8 more_data_ack
:1; /* bit 7 */
494 struct iwl_qos_info
{
496 union iwl_qos_capabity qos_cap
;
497 struct iwl_qosparam_cmd def_qos_parm
;
500 #define STA_PS_STATUS_WAKE 0
501 #define STA_PS_STATUS_SLEEP 1
504 struct iwl3945_station_entry
{
505 struct iwl3945_addsta_cmd sta
;
506 struct iwl_tid_data tid
[MAX_TID_COUNT
];
509 struct iwl_hw_key keyinfo
;
512 struct iwl_station_entry
{
513 struct iwl_addsta_cmd sta
;
514 struct iwl_tid_data tid
[MAX_TID_COUNT
];
517 struct iwl_hw_key keyinfo
;
520 /* one for each uCode image (inst/data, boot/init/runtime) */
522 void *v_addr
; /* access by driver */
523 dma_addr_t p_addr
; /* access by card's busmaster DMA */
527 /* uCode file layout */
529 __le32 ver
; /* major/minor/API/serial */
530 __le32 inst_size
; /* bytes of runtime instructions */
531 __le32 data_size
; /* bytes of runtime data */
532 __le32 init_size
; /* bytes of initialization instructions */
533 __le32 init_data_size
; /* bytes of initialization data */
534 __le32 boot_size
; /* bytes of bootstrap instructions */
535 u8 data
[0]; /* data in same order as "size" elements */
538 struct iwl4965_ibss_seq
{
542 unsigned long packet_time
;
543 struct list_head list
;
546 struct iwl_sensitivity_ranges
{
553 u16 auto_corr_min_ofdm
;
554 u16 auto_corr_min_ofdm_mrc
;
555 u16 auto_corr_min_ofdm_x1
;
556 u16 auto_corr_min_ofdm_mrc_x1
;
558 u16 auto_corr_max_ofdm
;
559 u16 auto_corr_max_ofdm_mrc
;
560 u16 auto_corr_max_ofdm_x1
;
561 u16 auto_corr_max_ofdm_mrc_x1
;
563 u16 auto_corr_max_cck
;
564 u16 auto_corr_max_cck_mrc
;
565 u16 auto_corr_min_cck
;
566 u16 auto_corr_min_cck_mrc
;
570 #define KELVIN_TO_CELSIUS(x) ((x)-273)
571 #define CELSIUS_TO_KELVIN(x) ((x)+273)
575 * struct iwl_hw_params
576 * @max_txq_num: Max # Tx queues supported
577 * @dma_chnl_num: Number of Tx DMA/FIFO channels
578 * @scd_bc_tbls_size: size of scheduler byte count tables
579 * @tfd_size: TFD size
580 * @tx/rx_chains_num: Number of TX/RX chains
581 * @valid_tx/rx_ant: usable antennas
582 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
583 * @max_rxq_log: Log-base-2 of max_rxq_size
584 * @rx_buf_size: Rx buffer size
585 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
588 * @fat_channel: is 40MHz width possible in band 2.4
589 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
590 * @sw_crypto: 0 for hw, 1 for sw
591 * @max_xxx_size: for ucode uses
592 * @ct_kill_threshold: temperature threshold
593 * @calib_init_cfg: setup initial calibrations for the hw
594 * @struct iwl_sensitivity_ranges: range of sensitivity values
596 struct iwl_hw_params
{
599 u16 scd_bc_tbls_size
;
617 u32 ct_kill_threshold
; /* value in hw-dependent units */
619 const struct iwl_sensitivity_ranges
*sens
;
623 /******************************************************************************
625 * Functions implemented in core module which are forward declared here
626 * for use by iwl-[4-5].c
628 * NOTE: The implementation of these functions are not hardware specific
629 * which is why they are in the core module files.
631 * Naming convention --
632 * iwl_ <-- Is part of iwlwifi
633 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
634 * iwl4965_bg_ <-- Called from work queue context
635 * iwl4965_mac_ <-- mac80211 callback
637 ****************************************************************************/
638 extern void iwl_update_chain_flags(struct iwl_priv
*priv
);
639 extern int iwl_set_pwr_src(struct iwl_priv
*priv
, enum iwl_pwr_src src
);
640 extern const u8 iwl_bcast_addr
[ETH_ALEN
];
641 extern int iwl_rxq_stop(struct iwl_priv
*priv
);
642 extern void iwl_txq_ctx_stop(struct iwl_priv
*priv
);
643 extern int iwl_queue_space(const struct iwl_queue
*q
);
644 static inline int iwl_queue_used(const struct iwl_queue
*q
, int i
)
646 return q
->write_ptr
> q
->read_ptr
?
647 (i
>= q
->read_ptr
&& i
< q
->write_ptr
) :
648 !(i
< q
->read_ptr
&& i
>= q
->write_ptr
);
652 static inline u8
get_cmd_index(struct iwl_queue
*q
, u32 index
, int is_huge
)
654 /* This is for scan command, the big buffer at end of command array */
656 return q
->n_window
; /* must be power of 2 */
658 /* Otherwise, use normal size buffers */
659 return index
& (q
->n_window
- 1);
669 #define HT_SHORT_GI_20MHZ (1 << 0)
670 #define HT_SHORT_GI_40MHZ (1 << 1)
672 #define IWL_CHANNEL_WIDTH_20MHZ 0
673 #define IWL_CHANNEL_WIDTH_40MHZ 1
675 #define IWL_OPERATION_MODE_AUTO 0
676 #define IWL_OPERATION_MODE_HT_ONLY 1
677 #define IWL_OPERATION_MODE_MIXED 2
678 #define IWL_OPERATION_MODE_20MHZ 3
680 #define IWL_TX_CRC_SIZE 4
681 #define IWL_TX_DELIMITER_SIZE 4
683 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
685 /* Sensitivity and chain noise calibration */
686 #define INITIALIZATION_VALUE 0xFFFF
687 #define CAL_NUM_OF_BEACONS 20
688 #define MAXIMUM_ALLOWED_PATHLOSS 15
690 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
692 #define MAX_FA_OFDM 50
693 #define MIN_FA_OFDM 5
694 #define MAX_FA_CCK 50
697 #define AUTO_CORR_STEP_OFDM 1
699 #define AUTO_CORR_STEP_CCK 3
700 #define AUTO_CORR_MAX_TH_CCK 160
703 #define NRG_STEP_CCK 2
705 #define MAX_NUMBER_CCK_NO_FA 100
707 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
712 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
713 #define ALL_BAND_FILTER 0xFF00
714 #define IN_BAND_FILTER 0xFF
715 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
717 #define NRG_NUM_PREV_STAT_L 20
718 #define NUM_RX_CHAINS 3
720 enum iwl4965_false_alarm_state
{
723 IWL_FA_GOOD_RANGE
= 2,
726 enum iwl4965_chain_noise_state
{
727 IWL_CHAIN_NOISE_ALIVE
= 0, /* must be 0 */
728 IWL_CHAIN_NOISE_ACCUMULATE
,
729 IWL_CHAIN_NOISE_CALIBRATED
,
730 IWL_CHAIN_NOISE_DONE
,
733 enum iwl4965_calib_enabled_state
{
734 IWL_CALIB_DISABLED
= 0, /* must be 0 */
735 IWL_CALIB_ENABLED
= 1,
741 * defines the order in which results of initial calibrations
742 * should be sent to the runtime uCode
749 IWL_CALIB_TX_IQ_PERD
,
754 /* Opaque calibration results */
755 struct iwl_calib_result
{
766 /* Sensitivity calib data */
767 struct iwl_sensitivity_data
{
769 u32 auto_corr_ofdm_mrc
;
770 u32 auto_corr_ofdm_x1
;
771 u32 auto_corr_ofdm_mrc_x1
;
773 u32 auto_corr_cck_mrc
;
775 u32 last_bad_plcp_cnt_ofdm
;
776 u32 last_fa_cnt_ofdm
;
777 u32 last_bad_plcp_cnt_cck
;
783 u8 nrg_silence_rssi
[NRG_NUM_PREV_STAT_L
];
788 s32 nrg_auto_corr_silence_diff
;
789 u32 num_in_cck_no_fa
;
793 /* Chain noise (differential Rx gain) calib data */
794 struct iwl_chain_noise_data
{
803 u8 disconn_array
[NUM_RX_CHAINS
];
804 u8 delta_gain_code
[NUM_RX_CHAINS
];
809 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
810 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
814 MEASUREMENT_READY
= (1 << 0),
815 MEASUREMENT_ACTIVE
= (1 << 1),
819 NVM_DEVICE_TYPE_EEPROM
= 0,
823 /* interrupt statistics */
824 struct isr_statistics
{
834 u32 rx_handlers
[REPLY_MAX
];
839 #define IWL_MAX_NUM_QUEUES 20 /* FIXME: do dynamic allocation */
843 /* ieee device used by generic ieee processing code */
844 struct ieee80211_hw
*hw
;
845 struct ieee80211_channel
*ieee_channels
;
846 struct ieee80211_rate
*ieee_rates
;
849 /* temporary frame storage list */
850 struct list_head free_frames
;
853 enum ieee80211_band band
;
856 void (*rx_handlers
[REPLY_MAX
])(struct iwl_priv
*priv
,
857 struct iwl_rx_mem_buffer
*rxb
);
859 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
861 #if defined(CONFIG_IWLWIFI_SPECTRUM_MEASUREMENT) || defined(CONFIG_IWL3945_SPECTRUM_MEASUREMENT)
862 /* spectrum measurement report caching */
863 struct iwl_spectrum_notification measure_report
;
864 u8 measurement_status
;
866 /* ucode beacon time */
867 u32 ucode_beacon_time
;
869 /* we allocate array of iwl4965_channel_info for NIC's valid channels.
870 * Access via channel # using indirect index array */
871 struct iwl_channel_info
*channel_info
; /* channel info array */
872 u8 channel_count
; /* # of channels */
874 /* each calibration channel group in the EEPROM has a derived
875 * clip setting for each rate. 3945 only.*/
876 const struct iwl3945_clip_group clip39_groups
[5];
878 /* thermal calibration */
879 s32 temperature
; /* degrees Kelvin */
880 s32 last_temperature
;
882 /* init calibration results */
883 struct iwl_calib_result calib_results
[IWL_CALIB_MAX
];
885 /* Scan related variables */
886 unsigned long last_scan_jiffies
;
887 unsigned long next_scan_jiffies
;
888 unsigned long scan_start
;
889 unsigned long scan_pass_start
;
890 unsigned long scan_start_tsf
;
893 struct cfg80211_scan_request
*scan_request
;
894 u8 scan_tx_ant
[IEEE80211_NUM_BANDS
];
898 spinlock_t lock
; /* protect general shared data */
899 spinlock_t hcmd_lock
; /* protect hcmd */
900 spinlock_t reg_lock
; /* protect hw register access */
903 /* basic pci-network driver stuff */
904 struct pci_dev
*pci_dev
;
906 /* pci hardware address support */
907 void __iomem
*hw_base
;
912 /* uCode images, save to reload in case of failure */
913 u32 ucode_ver
; /* version of ucode, copy of
915 struct fw_desc ucode_code
; /* runtime inst */
916 struct fw_desc ucode_data
; /* runtime data original */
917 struct fw_desc ucode_data_backup
; /* runtime data save/restore */
918 struct fw_desc ucode_init
; /* initialization inst */
919 struct fw_desc ucode_init_data
; /* initialization data */
920 struct fw_desc ucode_boot
; /* bootstrap inst */
921 enum ucode_type ucode_type
;
922 u8 ucode_write_complete
; /* the image write is complete */
925 struct iwl_rxon_time_cmd rxon_timing
;
927 /* We declare this const so it can only be
928 * changed via explicit cast within the
929 * routines that actually update the physical
931 const struct iwl_rxon_cmd active_rxon
;
932 struct iwl_rxon_cmd staging_rxon
;
934 struct iwl_rxon_cmd recovery_rxon
;
936 /* 1st responses from initialize and runtime uCode images.
937 * 4965's initialize alive response contains some calibration data. */
938 struct iwl_init_alive_resp card_alive_init
;
939 struct iwl_alive_resp card_alive
;
940 #if defined(CONFIG_IWLWIFI_RFKILL)
941 struct rfkill
*rfkill
;
944 #ifdef CONFIG_IWLWIFI_LEDS
945 unsigned long last_blink_time
;
949 struct iwl_led led
[IWL_LED_TRG_MAX
];
950 unsigned int rxtxpackets
;
953 u16 active_rate_basic
;
955 u8 assoc_station_added
;
957 struct iwl_sensitivity_data sensitivity_data
;
958 struct iwl_chain_noise_data chain_noise_data
;
959 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
961 struct iwl_ht_info current_ht_config
;
962 u8 last_phy_res
[100];
964 /* Rate scaling data */
968 wait_queue_head_t wait_command_queue
;
970 int activity_timer_active
;
972 /* Rx and Tx DMA processing queues */
973 struct iwl_rx_queue rxq
;
974 struct iwl_tx_queue txq
[IWL_MAX_NUM_QUEUES
];
975 unsigned long txq_ctx_active_msk
;
976 struct iwl_dma_ptr kw
; /* keep warm address */
977 struct iwl_dma_ptr scd_bc_tbls
;
979 u32 scd_base_addr
; /* scheduler sram base address */
981 unsigned long status
;
983 int last_rx_rssi
; /* From Rx packet statistics */
984 int last_rx_noise
; /* From beacon statistics */
986 /* counts mgmt, ctl, and data packets */
987 struct traffic_stats
{
990 } tx_stats
[3], rx_stats
[3];
992 /* counts interrupts */
993 struct isr_statistics isr_stats
;
995 struct iwl_power_mgr power_data
;
997 struct iwl_notif_statistics statistics
;
998 unsigned long last_statistics_time
;
1000 /* context information */
1006 u8 mac_addr
[ETH_ALEN
];
1008 /*station table variables */
1009 spinlock_t sta_lock
;
1011 struct iwl_station_entry stations
[IWL_STATION_COUNT
];
1012 struct iwl_wep_key wep_keys
[WEP_KEYS_MAX
];
1015 unsigned long ucode_key_table
;
1017 /* queue refcounts */
1018 #define IWL_MAX_HW_QUEUES 32
1019 unsigned long queue_stopped
[BITS_TO_LONGS(IWL_MAX_HW_QUEUES
)];
1021 atomic_t queue_stop_count
[4];
1023 /* Indication if ieee80211_ops->open has been called */
1026 u8 mac80211_registered
;
1028 /* Rx'd packet timing information */
1029 u32 last_beacon_time
;
1034 int nvm_device_type
;
1035 struct iwl_eeprom_calib_info
*calib_info
;
1037 enum nl80211_iftype iw_mode
;
1039 struct sk_buff
*ibss_beacon
;
1041 /* Last Rx'd beacon timestamp */
1044 struct ieee80211_vif
*vif
;
1048 dma_addr_t shared_phys
;
1050 struct iwl_hw_params hw_params
;
1054 dma_addr_t ict_tbl_dma
;
1055 dma_addr_t aligned_ict_tbl_dma
;
1062 /* Current association information needed to configure the
1065 u16 assoc_capability
;
1067 struct iwl_qos_info qos_data
;
1069 struct workqueue_struct
*workqueue
;
1071 struct work_struct up
;
1072 struct work_struct restart
;
1073 struct work_struct calibrated_work
;
1074 struct work_struct scan_completed
;
1075 struct work_struct rx_replenish
;
1076 struct work_struct rf_kill
;
1077 struct work_struct abort_scan
;
1078 struct work_struct update_link_led
;
1079 struct work_struct auth_work
;
1080 struct work_struct report_work
;
1081 struct work_struct request_scan
;
1082 struct work_struct beacon_update
;
1084 struct tasklet_struct irq_tasklet
;
1086 struct delayed_work init_alive_start
;
1087 struct delayed_work alive_start
;
1088 struct delayed_work scan_check
;
1091 struct delayed_work thermal_periodic
;
1092 struct delayed_work rfkill_poll
;
1095 s8 tx_power_user_lmt
;
1096 s8 tx_power_channel_lmt
;
1099 #ifdef CONFIG_IWLWIFI_DEBUG
1100 /* debugging info */
1103 atomic_t restrict_refcnt
;
1104 #ifdef CONFIG_IWLWIFI_DEBUGFS
1106 struct iwl_debugfs
*dbgfs
;
1107 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1108 #endif /* CONFIG_IWLWIFI_DEBUG */
1110 struct work_struct txpower_work
;
1111 u32 disable_sens_cal
;
1112 u32 disable_chain_noise_cal
;
1113 u32 disable_tx_power_cal
;
1114 struct work_struct run_time_calib_work
;
1115 struct timer_list statistics_periodic
;
1118 #define IWL_DEFAULT_TX_POWER 0x0F
1120 struct iwl3945_notif_statistics statistics_39
;
1122 struct iwl3945_station_entry stations_39
[IWL_STATION_COUNT
];
1127 static inline void iwl_txq_ctx_activate(struct iwl_priv
*priv
, int txq_id
)
1129 set_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1132 static inline void iwl_txq_ctx_deactivate(struct iwl_priv
*priv
, int txq_id
)
1134 clear_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1137 #ifdef CONFIG_IWLWIFI_DEBUG
1138 const char *iwl_get_tx_fail_reason(u32 status
);
1140 static inline const char *iwl_get_tx_fail_reason(u32 status
) { return ""; }
1144 static inline struct ieee80211_hdr
*iwl_tx_queue_get_hdr(struct iwl_priv
*priv
,
1145 int txq_id
, int idx
)
1147 if (priv
->txq
[txq_id
].txb
[idx
].skb
[0])
1148 return (struct ieee80211_hdr
*)priv
->txq
[txq_id
].
1149 txb
[idx
].skb
[0]->data
;
1154 static inline int iwl_is_associated(struct iwl_priv
*priv
)
1156 return (priv
->active_rxon
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1159 static inline int is_channel_valid(const struct iwl_channel_info
*ch_info
)
1161 if (ch_info
== NULL
)
1163 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1166 static inline int is_channel_radar(const struct iwl_channel_info
*ch_info
)
1168 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1171 static inline u8
is_channel_a_band(const struct iwl_channel_info
*ch_info
)
1173 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
1176 static inline u8
is_channel_bg_band(const struct iwl_channel_info
*ch_info
)
1178 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
1181 static inline int is_channel_passive(const struct iwl_channel_info
*ch
)
1183 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1186 static inline int is_channel_ibss(const struct iwl_channel_info
*ch
)
1188 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1191 #endif /* __iwl_dev_h__ */