1 /******************************************************************************
3 * Copyright(c) 2003 - 2010 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 <linux/wait.h>
38 #include <linux/leds.h>
39 #include <net/ieee80211_radiotap.h>
41 #include "iwl-eeprom.h"
45 #include "iwl-debug.h"
46 #include "iwl-4965-hw.h"
47 #include "iwl-3945-hw.h"
48 #include "iwl-agn-hw.h"
50 #include "iwl-power.h"
51 #include "iwl-agn-rs.h"
52 #include "iwl-agn-tt.h"
56 /* CT-KILL constants */
57 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
58 #define CT_KILL_THRESHOLD 114 /* in Celsius */
59 #define CT_KILL_EXIT_THRESHOLD 95 /* 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
;
97 #define rxb_addr(r) page_address(r->page)
100 struct iwl_device_cmd
;
102 struct iwl_cmd_meta
{
103 /* only for SYNC commands, iff the reply skb is wanted */
104 struct iwl_host_cmd
*source
;
106 * only for ASYNC commands
107 * (which is somewhat stupid -- look at iwl-sta.c for instance
108 * which duplicates a bunch of code because the callback isn't
109 * invoked for SYNC commands, if it were and its result passed
110 * through it would be simpler...)
112 void (*callback
)(struct iwl_priv
*priv
,
113 struct iwl_device_cmd
*cmd
,
114 struct iwl_rx_packet
*pkt
);
116 /* The CMD_SIZE_HUGE flag bit indicates that the command
117 * structure is stored at the end of the shared queue memory. */
120 DEFINE_DMA_UNMAP_ADDR(mapping
);
121 DEFINE_DMA_UNMAP_LEN(len
);
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 /* use for monitoring and recovering the stuck queue */
134 dma_addr_t dma_addr
; /* physical addr for BD's */
135 int n_window
; /* safe queue window */
137 int low_mark
; /* low watermark, resume queue if free
138 * space more than this */
139 int high_mark
; /* high watermark, stop queue if free
140 * space less than this */
143 /* One for each TFD */
146 struct iwl_rxon_context
*ctx
;
150 * struct iwl_tx_queue - Tx Queue for DMA
151 * @q: generic Rx/Tx queue descriptor
152 * @bd: base of circular buffer of TFDs
153 * @cmd: array of command/TX buffer pointers
154 * @meta: array of meta data for each command/tx buffer
155 * @dma_addr_cmd: physical address of cmd/tx buffer array
156 * @txb: array of per-TFD driver data
157 * @time_stamp: time (in jiffies) of last read_ptr change
158 * @need_update: indicates need to update read/write index
159 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
161 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
162 * descriptors) and required locking structures.
164 #define TFD_TX_CMD_SLOTS 256
165 #define TFD_CMD_SLOTS 32
167 struct iwl_tx_queue
{
170 struct iwl_device_cmd
**cmd
;
171 struct iwl_cmd_meta
*meta
;
172 struct iwl_tx_info
*txb
;
173 unsigned long time_stamp
;
180 #define IWL_NUM_SCAN_RATES (2)
182 struct iwl4965_channel_tgd_info
{
187 struct iwl4965_channel_tgh_info
{
191 #define IWL4965_MAX_RATE (33)
193 struct iwl3945_clip_group
{
194 /* maximum power level to prevent clipping for each rate, derived by
195 * us from this band's saturation power in EEPROM */
196 const s8 clip_powers
[IWL_MAX_RATES
];
199 /* current Tx power values to use, one for each rate for each channel.
200 * requested power is limited by:
201 * -- regulatory EEPROM limits for this channel
202 * -- hardware capabilities (clip-powers)
203 * -- spectrum management
204 * -- user preference (e.g. iwconfig)
205 * when requested power is set, base power index must also be set. */
206 struct iwl3945_channel_power_info
{
207 struct iwl3945_tx_power tpc
; /* actual radio and DSP gain settings */
208 s8 power_table_index
; /* actual (compenst'd) index into gain table */
209 s8 base_power_index
; /* gain index for power at factory temp. */
210 s8 requested_power
; /* power (dBm) requested for this chnl/rate */
213 /* current scan Tx power values to use, one for each scan rate for each
215 struct iwl3945_scan_power_info
{
216 struct iwl3945_tx_power tpc
; /* actual radio and DSP gain settings */
217 s8 power_table_index
; /* actual (compenst'd) index into gain table */
218 s8 requested_power
; /* scan pwr (dBm) requested for chnl/rate */
222 * One for each channel, holds all channel setup data
223 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
226 struct iwl_channel_info
{
227 struct iwl4965_channel_tgd_info tgd
;
228 struct iwl4965_channel_tgh_info tgh
;
229 struct iwl_eeprom_channel eeprom
; /* EEPROM regulatory limit */
230 struct iwl_eeprom_channel ht40_eeprom
; /* EEPROM regulatory limit for
233 u8 channel
; /* channel number */
234 u8 flags
; /* flags copied from EEPROM */
235 s8 max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
236 s8 curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) limit */
237 s8 min_power
; /* always 0 */
238 s8 scan_power
; /* (dBm) regul. eeprom, direct scans, any rate */
240 u8 group_index
; /* 0-4, maps channel to group1/2/3/4/5 */
241 u8 band_index
; /* 0-4, maps channel to band1/2/3/4/5 */
242 enum ieee80211_band band
;
244 /* HT40 channel info */
245 s8 ht40_max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
246 u8 ht40_flags
; /* flags copied from EEPROM */
247 u8 ht40_extension_channel
; /* HT_IE_EXT_CHANNEL_* */
249 /* Radio/DSP gain settings for each "normal" data Tx rate.
250 * These include, in addition to RF and DSP gain, a few fields for
251 * remembering/modifying gain settings (indexes). */
252 struct iwl3945_channel_power_info power_info
[IWL4965_MAX_RATE
];
254 /* Radio/DSP gain settings for each scan rate, for directed scans. */
255 struct iwl3945_scan_power_info scan_pwr_info
[IWL_NUM_SCAN_RATES
];
258 #define IWL_TX_FIFO_BK 0 /* shared */
259 #define IWL_TX_FIFO_BE 1
260 #define IWL_TX_FIFO_VI 2 /* shared */
261 #define IWL_TX_FIFO_VO 3
262 #define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK
263 #define IWL_TX_FIFO_BE_IPAN 4
264 #define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI
265 #define IWL_TX_FIFO_VO_IPAN 5
266 #define IWL_TX_FIFO_UNUSED -1
268 /* Minimum number of queues. MAX_NUM is defined in hw specific files.
269 * Set the minimum to accommodate the 4 standard TX queues, 1 command
270 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
271 #define IWL_MIN_NUM_QUEUES 10
274 * Command queue depends on iPAN support.
276 #define IWL_DEFAULT_CMD_QUEUE_NUM 4
277 #define IWL_IPAN_CMD_QUEUE_NUM 9
280 * This queue number is required for proper operation
281 * because the ucode will stop/start the scheduler as
284 #define IWL_IPAN_MCAST_QUEUE 8
286 #define IEEE80211_DATA_LEN 2304
287 #define IEEE80211_4ADDR_LEN 30
288 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
289 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
293 struct ieee80211_hdr frame
;
294 struct iwl_tx_beacon_cmd beacon
;
295 u8 raw
[IEEE80211_FRAME_LEN
];
298 struct list_head list
;
301 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
302 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
303 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
309 CMD_SIZE_HUGE
= (1 << 0),
310 CMD_ASYNC
= (1 << 1),
311 CMD_WANT_SKB
= (1 << 2),
314 #define DEF_CMD_PAYLOAD_SIZE 320
317 * struct iwl_device_cmd
319 * For allocation of the command and tx queues, this establishes the overall
320 * size of the largest command we send to uCode, except for a scan command
321 * (which is relatively huge; space is allocated separately).
323 struct iwl_device_cmd
{
324 struct iwl_cmd_header hdr
; /* uCode API */
330 struct iwl_tx_cmd tx
;
331 struct iwl6000_channel_switch_cmd chswitch
;
332 u8 payload
[DEF_CMD_PAYLOAD_SIZE
];
336 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
339 struct iwl_host_cmd
{
341 unsigned long reply_page
;
342 void (*callback
)(struct iwl_priv
*priv
,
343 struct iwl_device_cmd
*cmd
,
344 struct iwl_rx_packet
*pkt
);
350 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
351 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
352 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
355 * struct iwl_rx_queue - Rx queue
356 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
357 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
358 * @read: Shared index to newest available Rx buffer
359 * @write: Shared index to oldest written Rx packet
360 * @free_count: Number of pre-allocated buffers in rx_free
361 * @rx_free: list of free SKBs for use
362 * @rx_used: List of Rx buffers with no SKB
363 * @need_update: flag to indicate we need to update read/write index
364 * @rb_stts: driver's pointer to receive buffer status
365 * @rb_stts_dma: bus address of receive buffer status
367 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
369 struct iwl_rx_queue
{
372 struct iwl_rx_mem_buffer pool
[RX_QUEUE_SIZE
+ RX_FREE_BUFFERS
];
373 struct iwl_rx_mem_buffer
*queue
[RX_QUEUE_SIZE
];
378 struct list_head rx_free
;
379 struct list_head rx_used
;
381 struct iwl_rb_status
*rb_stts
;
382 dma_addr_t rb_stts_dma
;
386 #define IWL_SUPPORTED_RATES_IE_LEN 8
388 #define MAX_TID_COUNT 9
390 #define IWL_INVALID_RATE 0xFF
391 #define IWL_INVALID_VALUE -1
394 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
395 * @txq_id: Tx queue used for Tx attempt
396 * @frame_count: # frames attempted by Tx command
397 * @wait_for_ba: Expect block-ack before next Tx reply
398 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
399 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
400 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
401 * @rate_n_flags: Rate at which Tx was attempted
403 * If REPLY_TX indicates that aggregation was attempted, driver must wait
404 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
405 * until block ack arrives.
414 #define IWL_AGG_OFF 0
416 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
417 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
422 struct iwl_tid_data
{
423 u16 seq_number
; /* agn only */
425 struct iwl_ht_agg agg
;
435 union iwl_ht_rate_supp
{
443 #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
444 #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
445 #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
446 #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
447 #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
448 #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
449 #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
452 * Maximal MPDU density for TX aggregation
458 #define CFG_HT_MPDU_DENSITY_2USEC (0x4)
459 #define CFG_HT_MPDU_DENSITY_4USEC (0x5)
460 #define CFG_HT_MPDU_DENSITY_8USEC (0x6)
461 #define CFG_HT_MPDU_DENSITY_16USEC (0x7)
462 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
463 #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
464 #define CFG_HT_MPDU_DENSITY_MIN (0x1)
466 struct iwl_ht_config
{
467 bool single_chain_sufficient
;
468 enum ieee80211_smps_mode smps
; /* current smps mode */
472 struct iwl_qos_info
{
474 struct iwl_qosparam_cmd def_qos_parm
;
478 * Structure should be accessed with sta_lock held. When station addition
479 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
480 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
483 struct iwl_station_entry
{
484 struct iwl_addsta_cmd sta
;
485 struct iwl_tid_data tid
[MAX_TID_COUNT
];
487 struct iwl_hw_key keyinfo
;
488 struct iwl_link_quality_cmd
*lq
;
491 struct iwl_station_priv_common
{
492 struct iwl_rxon_context
*ctx
;
497 * iwl_station_priv: Driver's private station information
499 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
500 * in the structure for use by driver. This structure is places in that
503 * The common struct MUST be first because it is shared between
506 struct iwl_station_priv
{
507 struct iwl_station_priv_common common
;
508 struct iwl_lq_sta lq_sta
;
509 atomic_t pending_frames
;
515 * struct iwl_vif_priv - driver's private per-interface information
517 * When mac80211 allocates a virtual interface, it can allocate
518 * space for us to put data into.
520 struct iwl_vif_priv
{
521 struct iwl_rxon_context
*ctx
;
522 u8 ibss_bssid_sta_id
;
525 /* one for each uCode image (inst/data, boot/init/runtime) */
527 void *v_addr
; /* access by driver */
528 dma_addr_t p_addr
; /* access by card's busmaster DMA */
532 /* v1/v2 uCode file layout */
533 struct iwl_ucode_header
{
534 __le32 ver
; /* major/minor/API/serial */
537 __le32 inst_size
; /* bytes of runtime code */
538 __le32 data_size
; /* bytes of runtime data */
539 __le32 init_size
; /* bytes of init code */
540 __le32 init_data_size
; /* bytes of init data */
541 __le32 boot_size
; /* bytes of bootstrap code */
542 u8 data
[0]; /* in same order as sizes */
545 __le32 build
; /* build number */
546 __le32 inst_size
; /* bytes of runtime code */
547 __le32 data_size
; /* bytes of runtime data */
548 __le32 init_size
; /* bytes of init code */
549 __le32 init_data_size
; /* bytes of init data */
550 __le32 boot_size
; /* bytes of bootstrap code */
551 u8 data
[0]; /* in same order as sizes */
557 * new TLV uCode file layout
559 * The new TLV file format contains TLVs, that each specify
560 * some piece of data. To facilitate "groups", for example
561 * different instruction image with different capabilities,
562 * bundled with the same init image, an alternative mechanism
564 * When the alternative field is 0, that means that the item
565 * is always valid. When it is non-zero, then it is only
566 * valid in conjunction with items of the same alternative,
567 * in which case the driver (user) selects one alternative
571 enum iwl_ucode_tlv_type
{
572 IWL_UCODE_TLV_INVALID
= 0, /* unused */
573 IWL_UCODE_TLV_INST
= 1,
574 IWL_UCODE_TLV_DATA
= 2,
575 IWL_UCODE_TLV_INIT
= 3,
576 IWL_UCODE_TLV_INIT_DATA
= 4,
577 IWL_UCODE_TLV_BOOT
= 5,
578 IWL_UCODE_TLV_PROBE_MAX_LEN
= 6, /* a u32 value */
579 IWL_UCODE_TLV_PAN
= 7,
580 IWL_UCODE_TLV_RUNT_EVTLOG_PTR
= 8,
581 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
= 9,
582 IWL_UCODE_TLV_RUNT_ERRLOG_PTR
= 10,
583 IWL_UCODE_TLV_INIT_EVTLOG_PTR
= 11,
584 IWL_UCODE_TLV_INIT_EVTLOG_SIZE
= 12,
585 IWL_UCODE_TLV_INIT_ERRLOG_PTR
= 13,
586 IWL_UCODE_TLV_ENHANCE_SENS_TBL
= 14,
587 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
= 15,
590 struct iwl_ucode_tlv
{
591 __le16 type
; /* see above */
592 __le16 alternative
; /* see comment */
593 __le32 length
; /* not including type/length fields */
597 #define IWL_TLV_UCODE_MAGIC 0x0a4c5749
599 struct iwl_tlv_ucode_header
{
601 * The TLV style ucode header is distinguished from
602 * the v1/v2 style header by first four bytes being
603 * zero, as such is an invalid combination of
604 * major/minor/API/serial versions.
608 u8 human_readable
[64];
609 __le32 ver
; /* major/minor/API/serial */
611 __le64 alternatives
; /* bitmask of valid alternatives */
613 * The data contained herein has a TLV layout,
614 * see above for the TLV header and types.
615 * Note that each TLV is padded to a length
616 * that is a multiple of 4 for alignment.
621 struct iwl4965_ibss_seq
{
625 unsigned long packet_time
;
626 struct list_head list
;
629 struct iwl_sensitivity_ranges
{
636 u16 auto_corr_min_ofdm
;
637 u16 auto_corr_min_ofdm_mrc
;
638 u16 auto_corr_min_ofdm_x1
;
639 u16 auto_corr_min_ofdm_mrc_x1
;
641 u16 auto_corr_max_ofdm
;
642 u16 auto_corr_max_ofdm_mrc
;
643 u16 auto_corr_max_ofdm_x1
;
644 u16 auto_corr_max_ofdm_mrc_x1
;
646 u16 auto_corr_max_cck
;
647 u16 auto_corr_max_cck_mrc
;
648 u16 auto_corr_min_cck
;
649 u16 auto_corr_min_cck_mrc
;
651 u16 barker_corr_th_min
;
652 u16 barker_corr_th_min_mrc
;
657 #define KELVIN_TO_CELSIUS(x) ((x)-273)
658 #define CELSIUS_TO_KELVIN(x) ((x)+273)
662 * struct iwl_hw_params
663 * @max_txq_num: Max # Tx queues supported
664 * @dma_chnl_num: Number of Tx DMA/FIFO channels
665 * @scd_bc_tbls_size: size of scheduler byte count tables
666 * @tfd_size: TFD size
667 * @tx/rx_chains_num: Number of TX/RX chains
668 * @valid_tx/rx_ant: usable antennas
669 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
670 * @max_rxq_log: Log-base-2 of max_rxq_size
671 * @rx_page_order: Rx buffer page order
672 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
674 * @ht40_channel: is 40MHz width possible in band 2.4
675 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
676 * @sw_crypto: 0 for hw, 1 for sw
677 * @max_xxx_size: for ucode uses
678 * @ct_kill_threshold: temperature threshold
679 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
680 * @calib_init_cfg: setup initial calibrations for the hw
681 * @calib_rt_cfg: setup runtime calibrations for the hw
682 * @struct iwl_sensitivity_ranges: range of sensitivity values
684 struct iwl_hw_params
{
687 u16 scd_bc_tbls_size
;
699 u8 max_beacon_itrvl
; /* in 1024 ms */
703 u32 ct_kill_threshold
; /* value in hw-dependent units */
704 u32 ct_kill_exit_threshold
; /* value in hw-dependent units */
705 /* for 1000, 6000 series and up */
706 u16 beacon_time_tsf_bits
;
709 const struct iwl_sensitivity_ranges
*sens
;
713 /******************************************************************************
715 * Functions implemented in core module which are forward declared here
716 * for use by iwl-[4-5].c
718 * NOTE: The implementation of these functions are not hardware specific
719 * which is why they are in the core module files.
721 * Naming convention --
722 * iwl_ <-- Is part of iwlwifi
723 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
724 * iwl4965_bg_ <-- Called from work queue context
725 * iwl4965_mac_ <-- mac80211 callback
727 ****************************************************************************/
728 extern void iwl_update_chain_flags(struct iwl_priv
*priv
);
729 extern const u8 iwl_bcast_addr
[ETH_ALEN
];
730 extern int iwl_rxq_stop(struct iwl_priv
*priv
);
731 extern void iwl_txq_ctx_stop(struct iwl_priv
*priv
);
732 extern int iwl_queue_space(const struct iwl_queue
*q
);
733 static inline int iwl_queue_used(const struct iwl_queue
*q
, int i
)
735 return q
->write_ptr
>= q
->read_ptr
?
736 (i
>= q
->read_ptr
&& i
< q
->write_ptr
) :
737 !(i
< q
->read_ptr
&& i
>= q
->write_ptr
);
741 static inline u8
get_cmd_index(struct iwl_queue
*q
, u32 index
, int is_huge
)
744 * This is for init calibration result and scan command which
745 * required buffer > TFD_MAX_PAYLOAD_SIZE,
746 * the big buffer at end of command array
749 return q
->n_window
; /* must be power of 2 */
751 /* Otherwise, use normal size buffers */
752 return index
& (q
->n_window
- 1);
762 #define IWL_OPERATION_MODE_AUTO 0
763 #define IWL_OPERATION_MODE_HT_ONLY 1
764 #define IWL_OPERATION_MODE_MIXED 2
765 #define IWL_OPERATION_MODE_20MHZ 3
767 #define IWL_TX_CRC_SIZE 4
768 #define IWL_TX_DELIMITER_SIZE 4
770 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
772 /* Sensitivity and chain noise calibration */
773 #define INITIALIZATION_VALUE 0xFFFF
774 #define IWL4965_CAL_NUM_BEACONS 20
775 #define IWL_CAL_NUM_BEACONS 16
776 #define MAXIMUM_ALLOWED_PATHLOSS 15
778 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
780 #define MAX_FA_OFDM 50
781 #define MIN_FA_OFDM 5
782 #define MAX_FA_CCK 50
785 #define AUTO_CORR_STEP_OFDM 1
787 #define AUTO_CORR_STEP_CCK 3
788 #define AUTO_CORR_MAX_TH_CCK 160
791 #define NRG_STEP_CCK 2
793 #define MAX_NUMBER_CCK_NO_FA 100
795 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
800 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
801 #define ALL_BAND_FILTER 0xFF00
802 #define IN_BAND_FILTER 0xFF
803 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
805 #define NRG_NUM_PREV_STAT_L 20
806 #define NUM_RX_CHAINS 3
808 enum iwl4965_false_alarm_state
{
811 IWL_FA_GOOD_RANGE
= 2,
814 enum iwl4965_chain_noise_state
{
815 IWL_CHAIN_NOISE_ALIVE
= 0, /* must be 0 */
816 IWL_CHAIN_NOISE_ACCUMULATE
,
817 IWL_CHAIN_NOISE_CALIBRATED
,
818 IWL_CHAIN_NOISE_DONE
,
821 enum iwl4965_calib_enabled_state
{
822 IWL_CALIB_DISABLED
= 0, /* must be 0 */
823 IWL_CALIB_ENABLED
= 1,
829 * defines the order in which results of initial calibrations
830 * should be sent to the runtime uCode
837 IWL_CALIB_TX_IQ_PERD
,
839 IWL_CALIB_TEMP_OFFSET
,
843 /* Opaque calibration results */
844 struct iwl_calib_result
{
855 /* Sensitivity calib data */
856 struct iwl_sensitivity_data
{
858 u32 auto_corr_ofdm_mrc
;
859 u32 auto_corr_ofdm_x1
;
860 u32 auto_corr_ofdm_mrc_x1
;
862 u32 auto_corr_cck_mrc
;
864 u32 last_bad_plcp_cnt_ofdm
;
865 u32 last_fa_cnt_ofdm
;
866 u32 last_bad_plcp_cnt_cck
;
872 u8 nrg_silence_rssi
[NRG_NUM_PREV_STAT_L
];
877 s32 nrg_auto_corr_silence_diff
;
878 u32 num_in_cck_no_fa
;
881 u16 barker_corr_th_min
;
882 u16 barker_corr_th_min_mrc
;
886 /* Chain noise (differential Rx gain) calib data */
887 struct iwl_chain_noise_data
{
896 u8 disconn_array
[NUM_RX_CHAINS
];
897 u8 delta_gain_code
[NUM_RX_CHAINS
];
902 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
903 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
905 #define IWL_TRAFFIC_ENTRIES (256)
906 #define IWL_TRAFFIC_ENTRY_SIZE (64)
909 MEASUREMENT_READY
= (1 << 0),
910 MEASUREMENT_ACTIVE
= (1 << 1),
914 NVM_DEVICE_TYPE_EEPROM
= 0,
919 * Two types of OTP memory access modes
920 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
921 * based on physical memory addressing
922 * IWL_OTP_ACCESS_RELATIVE - relative address mode,
923 * based on logical memory addressing
925 enum iwl_access_mode
{
926 IWL_OTP_ACCESS_ABSOLUTE
,
927 IWL_OTP_ACCESS_RELATIVE
,
931 * enum iwl_pa_type - Power Amplifier type
932 * @IWL_PA_SYSTEM: based on uCode configuration
933 * @IWL_PA_INTERNAL: use Internal only
940 /* interrupt statistics */
941 struct isr_statistics
{
951 u32 rx_handlers
[REPLY_MAX
];
956 /* reply_tx_statistics (for _agn devices) */
957 struct reply_tx_error_statistics
{
963 u32 int_crossed_retry
;
979 u32 sta_color_mismatch
;
983 /* reply_agg_tx_statistics (for _agn devices) */
984 struct reply_agg_tx_error_statistics
{
991 u32 last_sent_bt_kill
;
1000 /* management statistics */
1001 enum iwl_mgmt_stats
{
1002 MANAGEMENT_ASSOC_REQ
= 0,
1003 MANAGEMENT_ASSOC_RESP
,
1004 MANAGEMENT_REASSOC_REQ
,
1005 MANAGEMENT_REASSOC_RESP
,
1006 MANAGEMENT_PROBE_REQ
,
1007 MANAGEMENT_PROBE_RESP
,
1010 MANAGEMENT_DISASSOC
,
1016 /* control statistics */
1017 enum iwl_ctrl_stats
{
1018 CONTROL_BACK_REQ
= 0,
1029 struct traffic_stats
{
1030 #ifdef CONFIG_IWLWIFI_DEBUGFS
1031 u32 mgmt
[MANAGEMENT_MAX
];
1032 u32 ctrl
[CONTROL_MAX
];
1039 * iwl_switch_rxon: "channel switch" structure
1041 * @ switch_in_progress: channel switch in progress
1042 * @ channel: new channel
1044 struct iwl_switch_rxon
{
1045 bool switch_in_progress
;
1050 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
1051 * to perform continuous uCode event logging operation if enabled
1053 #define UCODE_TRACE_PERIOD (100)
1056 * iwl_event_log: current uCode event log position
1058 * @ucode_trace: enable/disable ucode continuous trace timer
1059 * @num_wraps: how many times the event buffer wraps
1060 * @next_entry: the entry just before the next one that uCode would fill
1061 * @non_wraps_count: counter for no wrap detected when dump ucode events
1062 * @wraps_once_count: counter for wrap once detected when dump ucode events
1063 * @wraps_more_count: counter for wrap more than once detected
1064 * when dump ucode events
1066 struct iwl_event_log
{
1070 int non_wraps_count
;
1071 int wraps_once_count
;
1072 int wraps_more_count
;
1076 * host interrupt timeout value
1077 * used with setting interrupt coalescing timer
1078 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit
1080 * default interrupt coalescing timer is 64 x 32 = 2048 usecs
1081 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs
1083 #define IWL_HOST_INT_TIMEOUT_MAX (0xFF)
1084 #define IWL_HOST_INT_TIMEOUT_DEF (0x40)
1085 #define IWL_HOST_INT_TIMEOUT_MIN (0x0)
1086 #define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF)
1087 #define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10)
1088 #define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0)
1091 * This is the threshold value of plcp error rate per 100mSecs. It is
1092 * used to set and check for the validity of plcp_delta.
1094 #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
1095 #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
1096 #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
1097 #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
1098 #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
1099 #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
1101 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
1102 #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
1104 /* TX queue watchdog timeouts in mSecs */
1105 #define IWL_DEF_WD_TIMEOUT (2000)
1106 #define IWL_LONG_WD_TIMEOUT (10000)
1107 #define IWL_MAX_WD_TIMEOUT (120000)
1109 /* BT Antenna Coupling Threshold (dB) */
1110 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
1115 IWL_MAX_FORCE_RESET
,
1118 struct iwl_force_reset
{
1119 int reset_request_count
;
1120 int reset_success_count
;
1121 int reset_reject_count
;
1122 unsigned long reset_duration
;
1123 unsigned long last_force_reset_jiffies
;
1126 /* extend beacon time format bit shifting */
1129 * bits 31:24 - extended
1130 * bits 23:0 - interval
1132 #define IWL3945_EXT_BEACON_TIME_POS 24
1135 * bits 31:22 - extended
1136 * bits 21:0 - interval
1138 #define IWLAGN_EXT_BEACON_TIME_POS 22
1141 * struct iwl_notification_wait - notification wait entry
1142 * @list: list head for global list
1143 * @fn: function called with the notification
1146 * This structure is not used directly, to wait for a
1147 * notification declare it on the stack, and call
1148 * iwlagn_init_notification_wait() with appropriate
1149 * parameters. Then do whatever will cause the ucode
1150 * to notify the driver, and to wait for that then
1151 * call iwlagn_wait_notification().
1153 * Each notification is one-shot. If at some point we
1154 * need to support multi-shot notifications (which
1155 * can't be allocated on the stack) we need to modify
1156 * the code for them.
1158 struct iwl_notification_wait
{
1159 struct list_head list
;
1161 void (*fn
)(struct iwl_priv
*priv
, struct iwl_rx_packet
*pkt
);
1167 enum iwl_rxon_context_id
{
1174 struct iwl_rxon_context
{
1175 struct ieee80211_vif
*vif
;
1177 const u8
*ac_to_fifo
;
1178 const u8
*ac_to_queue
;
1182 * We could use the vif to indicate active, but we
1183 * also need it to be active during disabling when
1184 * we already removed the vif for type setting.
1186 bool always_active
, is_active
;
1188 bool ht_need_multiple_chains
;
1190 enum iwl_rxon_context_id ctxid
;
1192 u32 interface_modes
, exclusive_interface_modes
;
1193 u8 unused_devtype
, ap_devtype
, ibss_devtype
, station_devtype
;
1196 * We declare this const so it can only be
1197 * changed via explicit cast within the
1198 * routines that actually update the physical
1201 const struct iwl_rxon_cmd active
;
1202 struct iwl_rxon_cmd staging
;
1204 struct iwl_rxon_time_cmd timing
;
1206 struct iwl_qos_info qos_data
;
1208 u8 bcast_sta_id
, ap_sta_id
;
1210 u8 rxon_cmd
, rxon_assoc_cmd
, rxon_timing_cmd
;
1214 struct iwl_wep_key wep_keys
[WEP_KEYS_MAX
];
1215 u8 key_mapping_keys
;
1217 __le32 station_flags
;
1220 bool non_gf_sta_present
;
1222 bool enabled
, is_40mhz
;
1223 u8 extension_chan_offset
;
1229 /* ieee device used by generic ieee processing code */
1230 struct ieee80211_hw
*hw
;
1231 struct ieee80211_channel
*ieee_channels
;
1232 struct ieee80211_rate
*ieee_rates
;
1233 struct iwl_cfg
*cfg
;
1235 /* temporary frame storage list */
1236 struct list_head free_frames
;
1239 enum ieee80211_band band
;
1242 void (*rx_handlers
[REPLY_MAX
])(struct iwl_priv
*priv
,
1243 struct iwl_rx_mem_buffer
*rxb
);
1245 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
1247 /* spectrum measurement report caching */
1248 struct iwl_spectrum_notification measure_report
;
1249 u8 measurement_status
;
1251 /* ucode beacon time */
1252 u32 ucode_beacon_time
;
1253 int missed_beacon_threshold
;
1255 /* track IBSS manager (last beacon) status */
1258 /* storing the jiffies when the plcp error rate is received */
1259 unsigned long plcp_jiffies
;
1262 struct iwl_force_reset force_reset
[IWL_MAX_FORCE_RESET
];
1264 /* we allocate array of iwl_channel_info for NIC's valid channels.
1265 * Access via channel # using indirect index array */
1266 struct iwl_channel_info
*channel_info
; /* channel info array */
1267 u8 channel_count
; /* # of channels */
1269 /* thermal calibration */
1270 s32 temperature
; /* degrees Kelvin */
1271 s32 last_temperature
;
1273 /* init calibration results */
1274 struct iwl_calib_result calib_results
[IWL_CALIB_MAX
];
1276 /* Scan related variables */
1277 unsigned long scan_start
;
1278 unsigned long scan_start_tsf
;
1280 enum ieee80211_band scan_band
;
1281 struct cfg80211_scan_request
*scan_request
;
1282 struct ieee80211_vif
*scan_vif
;
1283 bool is_internal_short_scan
;
1284 u8 scan_tx_ant
[IEEE80211_NUM_BANDS
];
1288 spinlock_t lock
; /* protect general shared data */
1289 spinlock_t hcmd_lock
; /* protect hcmd */
1290 spinlock_t reg_lock
; /* protect hw register access */
1292 struct mutex sync_cmd_mutex
; /* enable serialization of sync commands */
1294 /* basic pci-network driver stuff */
1295 struct pci_dev
*pci_dev
;
1297 /* pci hardware address support */
1298 void __iomem
*hw_base
;
1303 /* microcode/device supports multiple contexts */
1306 /* command queue number */
1309 /* max number of station keys */
1312 /* EEPROM MAC addresses */
1313 struct mac_address addresses
[2];
1315 /* uCode images, save to reload in case of failure */
1316 int fw_index
; /* firmware we're trying to load */
1317 u32 ucode_ver
; /* version of ucode, copy of
1319 struct fw_desc ucode_code
; /* runtime inst */
1320 struct fw_desc ucode_data
; /* runtime data original */
1321 struct fw_desc ucode_data_backup
; /* runtime data save/restore */
1322 struct fw_desc ucode_init
; /* initialization inst */
1323 struct fw_desc ucode_init_data
; /* initialization data */
1324 struct fw_desc ucode_boot
; /* bootstrap inst */
1325 enum ucode_type ucode_type
;
1326 u8 ucode_write_complete
; /* the image write is complete */
1327 char firmware_name
[25];
1329 struct iwl_rxon_context contexts
[NUM_IWL_RXON_CTX
];
1331 struct iwl_switch_rxon switch_rxon
;
1333 /* 1st responses from initialize and runtime uCode images.
1334 * _agn's initialize alive response contains some calibration data. */
1335 struct iwl_init_alive_resp card_alive_init
;
1336 struct iwl_alive_resp card_alive
;
1341 struct iwl_sensitivity_data sensitivity_data
;
1342 struct iwl_chain_noise_data chain_noise_data
;
1343 bool enhance_sensitivity_table
;
1344 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
1345 __le16 enhance_sensitivity_tbl
[ENHANCE_HD_TABLE_ENTRIES
];
1347 struct iwl_ht_config current_ht_config
;
1349 /* Rate scaling data */
1352 wait_queue_head_t wait_command_queue
;
1354 int activity_timer_active
;
1356 /* Rx and Tx DMA processing queues */
1357 struct iwl_rx_queue rxq
;
1358 struct iwl_tx_queue
*txq
;
1359 unsigned long txq_ctx_active_msk
;
1360 struct iwl_dma_ptr kw
; /* keep warm address */
1361 struct iwl_dma_ptr scd_bc_tbls
;
1363 u32 scd_base_addr
; /* scheduler sram base address */
1365 unsigned long status
;
1367 /* counts mgmt, ctl, and data packets */
1368 struct traffic_stats tx_stats
;
1369 struct traffic_stats rx_stats
;
1371 /* counts interrupts */
1372 struct isr_statistics isr_stats
;
1374 struct iwl_power_mgr power_data
;
1375 struct iwl_tt_mgmt thermal_throttle
;
1377 /* context information */
1378 u8 bssid
[ETH_ALEN
]; /* used only on 3945 but filled by core */
1380 /* station table variables */
1382 /* Note: if lock and sta_lock are needed, lock must be acquired first */
1383 spinlock_t sta_lock
;
1385 struct iwl_station_entry stations
[IWL_STATION_COUNT
];
1386 unsigned long ucode_key_table
;
1388 /* queue refcounts */
1389 #define IWL_MAX_HW_QUEUES 32
1390 unsigned long queue_stopped
[BITS_TO_LONGS(IWL_MAX_HW_QUEUES
)];
1392 atomic_t queue_stop_count
[4];
1394 /* Indication if ieee80211_ops->open has been called */
1397 u8 mac80211_registered
;
1399 /* eeprom -- this is in the card's little endian byte order */
1401 int nvm_device_type
;
1402 struct iwl_eeprom_calib_info
*calib_info
;
1404 enum nl80211_iftype iw_mode
;
1406 /* Last Rx'd beacon timestamp */
1410 #if defined(CONFIG_IWL3945) || defined(CONFIG_IWL3945_MODULE)
1413 dma_addr_t shared_phys
;
1415 struct delayed_work thermal_periodic
;
1416 struct delayed_work rfkill_poll
;
1418 struct iwl3945_notif_statistics statistics
;
1419 #ifdef CONFIG_IWLWIFI_DEBUGFS
1420 struct iwl3945_notif_statistics accum_statistics
;
1421 struct iwl3945_notif_statistics delta_statistics
;
1422 struct iwl3945_notif_statistics max_delta
;
1426 int last_rx_rssi
; /* From Rx packet statistics */
1428 /* Rx'd packet timing information */
1429 u32 last_beacon_time
;
1433 * each calibration channel group in the
1434 * EEPROM has a derived clip setting for
1437 const struct iwl3945_clip_group clip_groups
[5];
1441 #if defined(CONFIG_IWLAGN) || defined(CONFIG_IWLAGN_MODULE)
1446 dma_addr_t ict_tbl_dma
;
1447 dma_addr_t aligned_ict_tbl_dma
;
1452 * reporting the number of tids has AGG on. 0 means
1457 struct iwl_rx_phy_res last_phy_res
;
1458 bool last_phy_res_valid
;
1460 struct completion firmware_loading_complete
;
1462 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
1463 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
1466 * chain noise reset and gain commands are the
1467 * two extra calibration commands follows the standard
1468 * phy calibration commands
1470 u8 phy_calib_chain_noise_reset_cmd
;
1471 u8 phy_calib_chain_noise_gain_cmd
;
1473 struct iwl_notif_statistics statistics
;
1474 struct iwl_bt_notif_statistics statistics_bt
;
1475 /* counts reply_tx error */
1476 struct reply_tx_error_statistics reply_tx_stats
;
1477 struct reply_agg_tx_error_statistics reply_agg_tx_stats
;
1478 #ifdef CONFIG_IWLWIFI_DEBUGFS
1479 struct iwl_notif_statistics accum_statistics
;
1480 struct iwl_notif_statistics delta_statistics
;
1481 struct iwl_notif_statistics max_delta
;
1482 struct iwl_bt_notif_statistics accum_statistics_bt
;
1483 struct iwl_bt_notif_statistics delta_statistics_bt
;
1484 struct iwl_bt_notif_statistics max_delta_bt
;
1487 /* notification wait support */
1488 struct list_head notif_waits
;
1489 spinlock_t notif_wait_lock
;
1490 wait_queue_head_t notif_waitq
;
1492 /* remain-on-channel offload support */
1493 struct ieee80211_channel
*hw_roc_channel
;
1494 struct delayed_work hw_roc_work
;
1495 enum nl80211_channel_type hw_roc_chantype
;
1496 int hw_roc_duration
;
1504 u8 bt_traffic_load
, last_bt_traffic_load
;
1505 bool bt_ch_announce
;
1507 bool bt_full_concurrent
;
1508 bool bt_ant_couple_ok
;
1509 __le32 kill_ack_mask
;
1510 __le32 kill_cts_mask
;
1514 u16 dynamic_frag_thresh
;
1515 u8 bt_ci_compliance
;
1516 struct work_struct bt_traffic_change_work
;
1518 struct iwl_hw_params hw_params
;
1522 struct workqueue_struct
*workqueue
;
1524 struct work_struct restart
;
1525 struct work_struct scan_completed
;
1526 struct work_struct rx_replenish
;
1527 struct work_struct abort_scan
;
1529 struct work_struct beacon_update
;
1530 struct iwl_rxon_context
*beacon_ctx
;
1531 struct sk_buff
*beacon_skb
;
1533 struct work_struct tt_work
;
1534 struct work_struct ct_enter
;
1535 struct work_struct ct_exit
;
1536 struct work_struct start_internal_scan
;
1537 struct work_struct tx_flush
;
1538 struct work_struct bt_full_concurrency
;
1539 struct work_struct bt_runtime_config
;
1541 struct tasklet_struct irq_tasklet
;
1543 struct delayed_work init_alive_start
;
1544 struct delayed_work alive_start
;
1545 struct delayed_work scan_check
;
1548 s8 tx_power_user_lmt
;
1549 s8 tx_power_device_lmt
;
1550 s8 tx_power_lmt_in_half_dbm
; /* max tx power in half-dBm format */
1554 #ifdef CONFIG_IWLWIFI_DEBUG
1555 /* debugging info */
1556 u32 debug_level
; /* per device debugging will override global
1557 iwl_debug_level if set */
1558 #endif /* CONFIG_IWLWIFI_DEBUG */
1559 #ifdef CONFIG_IWLWIFI_DEBUGFS
1565 struct dentry
*debugfs_dir
;
1566 u32 dbgfs_sram_offset
, dbgfs_sram_len
;
1568 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1570 struct work_struct txpower_work
;
1571 u32 disable_sens_cal
;
1572 u32 disable_chain_noise_cal
;
1573 u32 disable_tx_power_cal
;
1574 struct work_struct run_time_calib_work
;
1575 struct timer_list statistics_periodic
;
1576 struct timer_list ucode_trace
;
1577 struct timer_list watchdog
;
1580 struct iwl_event_log event_log
;
1582 struct led_classdev led
;
1583 unsigned long blink_on
, blink_off
;
1584 bool led_registered
;
1587 static inline void iwl_txq_ctx_activate(struct iwl_priv
*priv
, int txq_id
)
1589 set_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1592 static inline void iwl_txq_ctx_deactivate(struct iwl_priv
*priv
, int txq_id
)
1594 clear_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1597 #ifdef CONFIG_IWLWIFI_DEBUG
1599 * iwl_get_debug_level: Return active debug level for device
1601 * Using sysfs it is possible to set per device debug level. This debug
1602 * level will be used if set, otherwise the global debug level which can be
1603 * set via module parameter is used.
1605 static inline u32
iwl_get_debug_level(struct iwl_priv
*priv
)
1607 if (priv
->debug_level
)
1608 return priv
->debug_level
;
1610 return iwl_debug_level
;
1613 static inline u32
iwl_get_debug_level(struct iwl_priv
*priv
)
1615 return iwl_debug_level
;
1620 static inline struct ieee80211_hdr
*iwl_tx_queue_get_hdr(struct iwl_priv
*priv
,
1621 int txq_id
, int idx
)
1623 if (priv
->txq
[txq_id
].txb
[idx
].skb
)
1624 return (struct ieee80211_hdr
*)priv
->txq
[txq_id
].
1629 static inline struct iwl_rxon_context
*
1630 iwl_rxon_ctx_from_vif(struct ieee80211_vif
*vif
)
1632 struct iwl_vif_priv
*vif_priv
= (void *)vif
->drv_priv
;
1634 return vif_priv
->ctx
;
1637 #define for_each_context(priv, ctx) \
1638 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
1639 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
1640 if (priv->valid_contexts & BIT(ctx->ctxid))
1642 static inline int iwl_is_associated(struct iwl_priv
*priv
,
1643 enum iwl_rxon_context_id ctxid
)
1645 return (priv
->contexts
[ctxid
].active
.filter_flags
&
1646 RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1649 static inline int iwl_is_any_associated(struct iwl_priv
*priv
)
1651 return iwl_is_associated(priv
, IWL_RXON_CTX_BSS
);
1654 static inline int iwl_is_associated_ctx(struct iwl_rxon_context
*ctx
)
1656 return (ctx
->active
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1659 static inline int is_channel_valid(const struct iwl_channel_info
*ch_info
)
1661 if (ch_info
== NULL
)
1663 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1666 static inline int is_channel_radar(const struct iwl_channel_info
*ch_info
)
1668 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1671 static inline u8
is_channel_a_band(const struct iwl_channel_info
*ch_info
)
1673 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
1676 static inline u8
is_channel_bg_band(const struct iwl_channel_info
*ch_info
)
1678 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
1681 static inline int is_channel_passive(const struct iwl_channel_info
*ch
)
1683 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1686 static inline int is_channel_ibss(const struct iwl_channel_info
*ch
)
1688 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1691 static inline void __iwl_free_pages(struct iwl_priv
*priv
, struct page
*page
)
1693 __free_pages(page
, priv
->hw_params
.rx_page_order
);
1694 priv
->alloc_rxb_page
--;
1697 static inline void iwl_free_pages(struct iwl_priv
*priv
, unsigned long page
)
1699 free_pages(page
, priv
->hw_params
.rx_page_order
);
1700 priv
->alloc_rxb_page
--;
1702 #endif /* __iwl_dev_h__ */