1 /******************************************************************************
3 * Copyright(c) 2003 - 2011 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.
34 #include <linux/pci.h> /* for struct pci_device_id */
35 #include <linux/kernel.h>
36 #include <linux/wait.h>
37 #include <linux/leds.h>
38 #include <net/ieee80211_radiotap.h>
40 #include "iwl-eeprom.h"
44 #include "iwl-debug.h"
45 #include "iwl-agn-hw.h"
47 #include "iwl-power.h"
48 #include "iwl-agn-rs.h"
49 #include "iwl-agn-tt.h"
51 #define U32_PAD(n) ((4-(n))&0x3)
55 /* CT-KILL constants */
56 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
57 #define CT_KILL_THRESHOLD 114 /* in Celsius */
58 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
60 /* Default noise level to report when noise measurement is not available.
61 * This may be because we're:
62 * 1) Not associated (4965, no beacon statistics being sent to driver)
63 * 2) Scanning (noise measurement does not apply to associated channel)
64 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
65 * Use default noise value of -127 ... this is below the range of measurable
66 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
67 * Also, -127 works better than 0 when averaging frames with/without
68 * noise info (e.g. averaging might be done in app); measured dBm values are
69 * always negative ... using a negative value as the default keeps all
70 * averages within an s8's (used in some apps) range of negative values. */
71 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
74 * RTS threshold here is total size [2347] minus 4 FCS bytes
76 * a value of 0 means RTS on all data/management packets
77 * a value > max MSDU size means no RTS
78 * else RTS for data/management frames where MPDU is larger
81 #define DEFAULT_RTS_THRESHOLD 2347U
82 #define MIN_RTS_THRESHOLD 0U
83 #define MAX_RTS_THRESHOLD 2347U
84 #define MAX_MSDU_SIZE 2304U
85 #define MAX_MPDU_SIZE 2346U
86 #define DEFAULT_BEACON_INTERVAL 100U
87 #define DEFAULT_SHORT_RETRY_LIMIT 7U
88 #define DEFAULT_LONG_RETRY_LIMIT 4U
90 struct iwl_rx_mem_buffer
{
93 struct list_head list
;
96 #define rxb_addr(r) page_address(r->page)
99 struct iwl_device_cmd
;
101 struct iwl_cmd_meta
{
102 /* only for SYNC commands, iff the reply skb is wanted */
103 struct iwl_host_cmd
*source
;
105 * only for ASYNC commands
106 * (which is somewhat stupid -- look at iwl-sta.c for instance
107 * which duplicates a bunch of code because the callback isn't
108 * invoked for SYNC commands, if it were and its result passed
109 * through it would be simpler...)
111 void (*callback
)(struct iwl_priv
*priv
,
112 struct iwl_device_cmd
*cmd
,
113 struct iwl_rx_packet
*pkt
);
115 /* The CMD_SIZE_HUGE flag bit indicates that the command
116 * structure is stored at the end of the shared queue memory. */
119 DEFINE_DMA_UNMAP_ADDR(mapping
);
120 DEFINE_DMA_UNMAP_LEN(len
);
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 /* use for monitoring and recovering the stuck queue */
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 */
142 /* One for each TFD */
145 struct iwl_rxon_context
*ctx
;
149 * struct iwl_tx_queue - Tx Queue for DMA
150 * @q: generic Rx/Tx queue descriptor
151 * @bd: base of circular buffer of TFDs
152 * @cmd: array of command/TX buffer pointers
153 * @meta: array of meta data for each command/tx buffer
154 * @dma_addr_cmd: physical address of cmd/tx buffer array
155 * @txb: array of per-TFD driver data
156 * @time_stamp: time (in jiffies) of last read_ptr change
157 * @need_update: indicates need to update read/write index
158 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
160 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
161 * descriptors) and required locking structures.
163 #define TFD_TX_CMD_SLOTS 256
164 #define TFD_CMD_SLOTS 32
166 struct iwl_tx_queue
{
169 struct iwl_device_cmd
**cmd
;
170 struct iwl_cmd_meta
*meta
;
171 struct iwl_tx_info
*txb
;
172 unsigned long time_stamp
;
179 #define IWL_NUM_SCAN_RATES (2)
182 * One for each channel, holds all channel setup data
183 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
186 struct iwl_channel_info
{
187 struct iwl_eeprom_channel eeprom
; /* EEPROM regulatory limit */
188 struct iwl_eeprom_channel ht40_eeprom
; /* EEPROM regulatory limit for
191 u8 channel
; /* channel number */
192 u8 flags
; /* flags copied from EEPROM */
193 s8 max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
194 s8 curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) limit */
195 s8 min_power
; /* always 0 */
196 s8 scan_power
; /* (dBm) regul. eeprom, direct scans, any rate */
198 u8 group_index
; /* 0-4, maps channel to group1/2/3/4/5 */
199 u8 band_index
; /* 0-4, maps channel to band1/2/3/4/5 */
200 enum ieee80211_band band
;
202 /* HT40 channel info */
203 s8 ht40_max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
204 u8 ht40_flags
; /* flags copied from EEPROM */
205 u8 ht40_extension_channel
; /* HT_IE_EXT_CHANNEL_* */
208 #define IWL_TX_FIFO_BK 0 /* shared */
209 #define IWL_TX_FIFO_BE 1
210 #define IWL_TX_FIFO_VI 2 /* shared */
211 #define IWL_TX_FIFO_VO 3
212 #define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK
213 #define IWL_TX_FIFO_BE_IPAN 4
214 #define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI
215 #define IWL_TX_FIFO_VO_IPAN 5
216 #define IWL_TX_FIFO_UNUSED -1
218 /* Minimum number of queues. MAX_NUM is defined in hw specific files.
219 * Set the minimum to accommodate the 4 standard TX queues, 1 command
220 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
221 #define IWL_MIN_NUM_QUEUES 10
224 * Command queue depends on iPAN support.
226 #define IWL_DEFAULT_CMD_QUEUE_NUM 4
227 #define IWL_IPAN_CMD_QUEUE_NUM 9
230 * This queue number is required for proper operation
231 * because the ucode will stop/start the scheduler as
234 #define IWL_IPAN_MCAST_QUEUE 8
236 #define IEEE80211_DATA_LEN 2304
237 #define IEEE80211_4ADDR_LEN 30
238 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
239 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
243 struct ieee80211_hdr frame
;
244 struct iwl_tx_beacon_cmd beacon
;
245 u8 raw
[IEEE80211_FRAME_LEN
];
248 struct list_head list
;
251 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
252 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
253 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
259 CMD_SIZE_HUGE
= (1 << 0),
260 CMD_ASYNC
= (1 << 1),
261 CMD_WANT_SKB
= (1 << 2),
262 CMD_MAPPED
= (1 << 3),
265 #define DEF_CMD_PAYLOAD_SIZE 320
268 * struct iwl_device_cmd
270 * For allocation of the command and tx queues, this establishes the overall
271 * size of the largest command we send to uCode, except for a scan command
272 * (which is relatively huge; space is allocated separately).
274 struct iwl_device_cmd
{
275 struct iwl_cmd_header hdr
; /* uCode API */
281 struct iwl_tx_cmd tx
;
282 struct iwl6000_channel_switch_cmd chswitch
;
283 u8 payload
[DEF_CMD_PAYLOAD_SIZE
];
287 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
290 struct iwl_host_cmd
{
292 unsigned long reply_page
;
293 void (*callback
)(struct iwl_priv
*priv
,
294 struct iwl_device_cmd
*cmd
,
295 struct iwl_rx_packet
*pkt
);
301 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
302 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
303 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
306 * struct iwl_rx_queue - Rx queue
307 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
308 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
309 * @read: Shared index to newest available Rx buffer
310 * @write: Shared index to oldest written Rx packet
311 * @free_count: Number of pre-allocated buffers in rx_free
312 * @rx_free: list of free SKBs for use
313 * @rx_used: List of Rx buffers with no SKB
314 * @need_update: flag to indicate we need to update read/write index
315 * @rb_stts: driver's pointer to receive buffer status
316 * @rb_stts_dma: bus address of receive buffer status
318 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
320 struct iwl_rx_queue
{
323 struct iwl_rx_mem_buffer pool
[RX_QUEUE_SIZE
+ RX_FREE_BUFFERS
];
324 struct iwl_rx_mem_buffer
*queue
[RX_QUEUE_SIZE
];
329 struct list_head rx_free
;
330 struct list_head rx_used
;
332 struct iwl_rb_status
*rb_stts
;
333 dma_addr_t rb_stts_dma
;
337 #define IWL_SUPPORTED_RATES_IE_LEN 8
339 #define MAX_TID_COUNT 9
341 #define IWL_INVALID_RATE 0xFF
342 #define IWL_INVALID_VALUE -1
345 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
346 * @txq_id: Tx queue used for Tx attempt
347 * @frame_count: # frames attempted by Tx command
348 * @wait_for_ba: Expect block-ack before next Tx reply
349 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
350 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
351 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
352 * @rate_n_flags: Rate at which Tx was attempted
354 * If REPLY_TX indicates that aggregation was attempted, driver must wait
355 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
356 * until block ack arrives.
365 #define IWL_AGG_OFF 0
367 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
368 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
374 struct iwl_tid_data
{
375 u16 seq_number
; /* agn only */
377 struct iwl_ht_agg agg
;
387 union iwl_ht_rate_supp
{
395 #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
396 #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
397 #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
398 #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
399 #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
400 #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
401 #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
404 * Maximal MPDU density for TX aggregation
410 #define CFG_HT_MPDU_DENSITY_2USEC (0x4)
411 #define CFG_HT_MPDU_DENSITY_4USEC (0x5)
412 #define CFG_HT_MPDU_DENSITY_8USEC (0x6)
413 #define CFG_HT_MPDU_DENSITY_16USEC (0x7)
414 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
415 #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
416 #define CFG_HT_MPDU_DENSITY_MIN (0x1)
418 struct iwl_ht_config
{
419 bool single_chain_sufficient
;
420 enum ieee80211_smps_mode smps
; /* current smps mode */
424 struct iwl_qos_info
{
426 struct iwl_qosparam_cmd def_qos_parm
;
430 * Structure should be accessed with sta_lock held. When station addition
431 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
432 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
435 struct iwl_station_entry
{
436 struct iwl_addsta_cmd sta
;
437 struct iwl_tid_data tid
[MAX_TID_COUNT
];
439 struct iwl_hw_key keyinfo
;
440 struct iwl_link_quality_cmd
*lq
;
443 struct iwl_station_priv_common
{
444 struct iwl_rxon_context
*ctx
;
449 * iwl_station_priv: Driver's private station information
451 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
452 * in the structure for use by driver. This structure is places in that
455 struct iwl_station_priv
{
456 struct iwl_station_priv_common common
;
457 struct iwl_lq_sta lq_sta
;
458 atomic_t pending_frames
;
465 * struct iwl_vif_priv - driver's private per-interface information
467 * When mac80211 allocates a virtual interface, it can allocate
468 * space for us to put data into.
470 struct iwl_vif_priv
{
471 struct iwl_rxon_context
*ctx
;
472 u8 ibss_bssid_sta_id
;
475 /* one for each uCode image (inst/data, boot/init/runtime) */
477 void *v_addr
; /* access by driver */
478 dma_addr_t p_addr
; /* access by card's busmaster DMA */
482 /* v1/v2 uCode file layout */
483 struct iwl_ucode_header
{
484 __le32 ver
; /* major/minor/API/serial */
487 __le32 inst_size
; /* bytes of runtime code */
488 __le32 data_size
; /* bytes of runtime data */
489 __le32 init_size
; /* bytes of init code */
490 __le32 init_data_size
; /* bytes of init data */
491 __le32 boot_size
; /* bytes of bootstrap code */
492 u8 data
[0]; /* in same order as sizes */
495 __le32 build
; /* build number */
496 __le32 inst_size
; /* bytes of runtime code */
497 __le32 data_size
; /* bytes of runtime data */
498 __le32 init_size
; /* bytes of init code */
499 __le32 init_data_size
; /* bytes of init data */
500 __le32 boot_size
; /* bytes of bootstrap code */
501 u8 data
[0]; /* in same order as sizes */
507 * new TLV uCode file layout
509 * The new TLV file format contains TLVs, that each specify
510 * some piece of data. To facilitate "groups", for example
511 * different instruction image with different capabilities,
512 * bundled with the same init image, an alternative mechanism
514 * When the alternative field is 0, that means that the item
515 * is always valid. When it is non-zero, then it is only
516 * valid in conjunction with items of the same alternative,
517 * in which case the driver (user) selects one alternative
521 enum iwl_ucode_tlv_type
{
522 IWL_UCODE_TLV_INVALID
= 0, /* unused */
523 IWL_UCODE_TLV_INST
= 1,
524 IWL_UCODE_TLV_DATA
= 2,
525 IWL_UCODE_TLV_INIT
= 3,
526 IWL_UCODE_TLV_INIT_DATA
= 4,
527 IWL_UCODE_TLV_BOOT
= 5,
528 IWL_UCODE_TLV_PROBE_MAX_LEN
= 6, /* a u32 value */
529 IWL_UCODE_TLV_PAN
= 7,
530 IWL_UCODE_TLV_RUNT_EVTLOG_PTR
= 8,
531 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
= 9,
532 IWL_UCODE_TLV_RUNT_ERRLOG_PTR
= 10,
533 IWL_UCODE_TLV_INIT_EVTLOG_PTR
= 11,
534 IWL_UCODE_TLV_INIT_EVTLOG_SIZE
= 12,
535 IWL_UCODE_TLV_INIT_ERRLOG_PTR
= 13,
536 IWL_UCODE_TLV_ENHANCE_SENS_TBL
= 14,
537 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
= 15,
538 /* 16 and 17 reserved for future use */
539 IWL_UCODE_TLV_FLAGS
= 18,
543 * enum iwl_ucode_tlv_flag - ucode API flags
544 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
545 * was a separate TLV but moved here to save space.
546 * @IWL_UCODE_TLV_FLAGS_RESERVED_1: reserved
547 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
549 enum iwl_ucode_tlv_flag
{
550 IWL_UCODE_TLV_FLAGS_PAN
= BIT(0),
551 IWL_UCODE_TLV_FLAGS_RESERVED_1
= BIT(1),
552 IWL_UCODE_TLV_FLAGS_MFP
= BIT(2),
555 struct iwl_ucode_tlv
{
556 __le16 type
; /* see above */
557 __le16 alternative
; /* see comment */
558 __le32 length
; /* not including type/length fields */
562 #define IWL_TLV_UCODE_MAGIC 0x0a4c5749
564 struct iwl_tlv_ucode_header
{
566 * The TLV style ucode header is distinguished from
567 * the v1/v2 style header by first four bytes being
568 * zero, as such is an invalid combination of
569 * major/minor/API/serial versions.
573 u8 human_readable
[64];
574 __le32 ver
; /* major/minor/API/serial */
576 __le64 alternatives
; /* bitmask of valid alternatives */
578 * The data contained herein has a TLV layout,
579 * see above for the TLV header and types.
580 * Note that each TLV is padded to a length
581 * that is a multiple of 4 for alignment.
586 struct iwl_sensitivity_ranges
{
593 u16 auto_corr_min_ofdm
;
594 u16 auto_corr_min_ofdm_mrc
;
595 u16 auto_corr_min_ofdm_x1
;
596 u16 auto_corr_min_ofdm_mrc_x1
;
598 u16 auto_corr_max_ofdm
;
599 u16 auto_corr_max_ofdm_mrc
;
600 u16 auto_corr_max_ofdm_x1
;
601 u16 auto_corr_max_ofdm_mrc_x1
;
603 u16 auto_corr_max_cck
;
604 u16 auto_corr_max_cck_mrc
;
605 u16 auto_corr_min_cck
;
606 u16 auto_corr_min_cck_mrc
;
608 u16 barker_corr_th_min
;
609 u16 barker_corr_th_min_mrc
;
614 #define KELVIN_TO_CELSIUS(x) ((x)-273)
615 #define CELSIUS_TO_KELVIN(x) ((x)+273)
619 * struct iwl_hw_params
620 * @max_txq_num: Max # Tx queues supported
621 * @dma_chnl_num: Number of Tx DMA/FIFO channels
622 * @scd_bc_tbls_size: size of scheduler byte count tables
623 * @tfd_size: TFD size
624 * @tx/rx_chains_num: Number of TX/RX chains
625 * @valid_tx/rx_ant: usable antennas
626 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
627 * @max_rxq_log: Log-base-2 of max_rxq_size
628 * @rx_page_order: Rx buffer page order
629 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
631 * @ht40_channel: is 40MHz width possible in band 2.4
632 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
633 * @sw_crypto: 0 for hw, 1 for sw
634 * @max_xxx_size: for ucode uses
635 * @ct_kill_threshold: temperature threshold
636 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
637 * @calib_init_cfg: setup initial calibrations for the hw
638 * @calib_rt_cfg: setup runtime calibrations for the hw
639 * @struct iwl_sensitivity_ranges: range of sensitivity values
641 struct iwl_hw_params
{
644 u16 scd_bc_tbls_size
;
656 u8 max_beacon_itrvl
; /* in 1024 ms */
659 u32 ct_kill_threshold
; /* value in hw-dependent units */
660 u32 ct_kill_exit_threshold
; /* value in hw-dependent units */
661 /* for 1000, 6000 series and up */
662 u16 beacon_time_tsf_bits
;
665 const struct iwl_sensitivity_ranges
*sens
;
669 /******************************************************************************
671 * Functions implemented in core module which are forward declared here
672 * for use by iwl-[4-5].c
674 * NOTE: The implementation of these functions are not hardware specific
675 * which is why they are in the core module files.
677 * Naming convention --
678 * iwl_ <-- Is part of iwlwifi
679 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
681 ****************************************************************************/
682 extern void iwl_update_chain_flags(struct iwl_priv
*priv
);
683 extern const u8 iwl_bcast_addr
[ETH_ALEN
];
684 extern int iwl_rxq_stop(struct iwl_priv
*priv
);
685 extern void iwl_txq_ctx_stop(struct iwl_priv
*priv
);
686 extern int iwl_queue_space(const struct iwl_queue
*q
);
687 static inline int iwl_queue_used(const struct iwl_queue
*q
, int i
)
689 return q
->write_ptr
>= q
->read_ptr
?
690 (i
>= q
->read_ptr
&& i
< q
->write_ptr
) :
691 !(i
< q
->read_ptr
&& i
>= q
->write_ptr
);
695 static inline u8
get_cmd_index(struct iwl_queue
*q
, u32 index
, int is_huge
)
698 * This is for init calibration result and scan command which
699 * required buffer > TFD_MAX_PAYLOAD_SIZE,
700 * the big buffer at end of command array
703 return q
->n_window
; /* must be power of 2 */
705 /* Otherwise, use normal size buffers */
706 return index
& (q
->n_window
- 1);
716 #define IWL_OPERATION_MODE_AUTO 0
717 #define IWL_OPERATION_MODE_HT_ONLY 1
718 #define IWL_OPERATION_MODE_MIXED 2
719 #define IWL_OPERATION_MODE_20MHZ 3
721 #define IWL_TX_CRC_SIZE 4
722 #define IWL_TX_DELIMITER_SIZE 4
724 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
726 /* Sensitivity and chain noise calibration */
727 #define INITIALIZATION_VALUE 0xFFFF
728 #define IWL_CAL_NUM_BEACONS 16
729 #define MAXIMUM_ALLOWED_PATHLOSS 15
731 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
733 #define MAX_FA_OFDM 50
734 #define MIN_FA_OFDM 5
735 #define MAX_FA_CCK 50
738 #define AUTO_CORR_STEP_OFDM 1
740 #define AUTO_CORR_STEP_CCK 3
741 #define AUTO_CORR_MAX_TH_CCK 160
744 #define NRG_STEP_CCK 2
746 #define MAX_NUMBER_CCK_NO_FA 100
748 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
753 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
754 #define ALL_BAND_FILTER 0xFF00
755 #define IN_BAND_FILTER 0xFF
756 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
758 #define NRG_NUM_PREV_STAT_L 20
759 #define NUM_RX_CHAINS 3
761 enum iwlagn_false_alarm_state
{
764 IWL_FA_GOOD_RANGE
= 2,
767 enum iwlagn_chain_noise_state
{
768 IWL_CHAIN_NOISE_ALIVE
= 0, /* must be 0 */
769 IWL_CHAIN_NOISE_ACCUMULATE
,
770 IWL_CHAIN_NOISE_CALIBRATED
,
771 IWL_CHAIN_NOISE_DONE
,
777 * defines the order in which results of initial calibrations
778 * should be sent to the runtime uCode
785 IWL_CALIB_TX_IQ_PERD
,
787 IWL_CALIB_TEMP_OFFSET
,
791 /* Opaque calibration results */
792 struct iwl_calib_result
{
797 /* Sensitivity calib data */
798 struct iwl_sensitivity_data
{
800 u32 auto_corr_ofdm_mrc
;
801 u32 auto_corr_ofdm_x1
;
802 u32 auto_corr_ofdm_mrc_x1
;
804 u32 auto_corr_cck_mrc
;
806 u32 last_bad_plcp_cnt_ofdm
;
807 u32 last_fa_cnt_ofdm
;
808 u32 last_bad_plcp_cnt_cck
;
814 u8 nrg_silence_rssi
[NRG_NUM_PREV_STAT_L
];
819 s32 nrg_auto_corr_silence_diff
;
820 u32 num_in_cck_no_fa
;
823 u16 barker_corr_th_min
;
824 u16 barker_corr_th_min_mrc
;
828 /* Chain noise (differential Rx gain) calib data */
829 struct iwl_chain_noise_data
{
838 u8 disconn_array
[NUM_RX_CHAINS
];
839 u8 delta_gain_code
[NUM_RX_CHAINS
];
844 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
845 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
847 #define IWL_TRAFFIC_ENTRIES (256)
848 #define IWL_TRAFFIC_ENTRY_SIZE (64)
851 MEASUREMENT_READY
= (1 << 0),
852 MEASUREMENT_ACTIVE
= (1 << 1),
856 NVM_DEVICE_TYPE_EEPROM
= 0,
861 * Two types of OTP memory access modes
862 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
863 * based on physical memory addressing
864 * IWL_OTP_ACCESS_RELATIVE - relative address mode,
865 * based on logical memory addressing
867 enum iwl_access_mode
{
868 IWL_OTP_ACCESS_ABSOLUTE
,
869 IWL_OTP_ACCESS_RELATIVE
,
873 * enum iwl_pa_type - Power Amplifier type
874 * @IWL_PA_SYSTEM: based on uCode configuration
875 * @IWL_PA_INTERNAL: use Internal only
882 /* interrupt statistics */
883 struct isr_statistics
{
893 u32 rx_handlers
[REPLY_MAX
];
898 /* reply_tx_statistics (for _agn devices) */
899 struct reply_tx_error_statistics
{
905 u32 int_crossed_retry
;
921 u32 sta_color_mismatch
;
925 /* reply_agg_tx_statistics (for _agn devices) */
926 struct reply_agg_tx_error_statistics
{
933 u32 last_sent_bt_kill
;
942 /* management statistics */
943 enum iwl_mgmt_stats
{
944 MANAGEMENT_ASSOC_REQ
= 0,
945 MANAGEMENT_ASSOC_RESP
,
946 MANAGEMENT_REASSOC_REQ
,
947 MANAGEMENT_REASSOC_RESP
,
948 MANAGEMENT_PROBE_REQ
,
949 MANAGEMENT_PROBE_RESP
,
958 /* control statistics */
959 enum iwl_ctrl_stats
{
960 CONTROL_BACK_REQ
= 0,
971 struct traffic_stats
{
972 #ifdef CONFIG_IWLWIFI_DEBUGFS
973 u32 mgmt
[MANAGEMENT_MAX
];
974 u32 ctrl
[CONTROL_MAX
];
981 * iwl_switch_rxon: "channel switch" structure
983 * @ switch_in_progress: channel switch in progress
984 * @ channel: new channel
986 struct iwl_switch_rxon
{
987 bool switch_in_progress
;
992 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
993 * to perform continuous uCode event logging operation if enabled
995 #define UCODE_TRACE_PERIOD (100)
998 * iwl_event_log: current uCode event log position
1000 * @ucode_trace: enable/disable ucode continuous trace timer
1001 * @num_wraps: how many times the event buffer wraps
1002 * @next_entry: the entry just before the next one that uCode would fill
1003 * @non_wraps_count: counter for no wrap detected when dump ucode events
1004 * @wraps_once_count: counter for wrap once detected when dump ucode events
1005 * @wraps_more_count: counter for wrap more than once detected
1006 * when dump ucode events
1008 struct iwl_event_log
{
1012 int non_wraps_count
;
1013 int wraps_once_count
;
1014 int wraps_more_count
;
1018 * host interrupt timeout value
1019 * used with setting interrupt coalescing timer
1020 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit
1022 * default interrupt coalescing timer is 64 x 32 = 2048 usecs
1023 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs
1025 #define IWL_HOST_INT_TIMEOUT_MAX (0xFF)
1026 #define IWL_HOST_INT_TIMEOUT_DEF (0x40)
1027 #define IWL_HOST_INT_TIMEOUT_MIN (0x0)
1028 #define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF)
1029 #define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10)
1030 #define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0)
1033 * This is the threshold value of plcp error rate per 100mSecs. It is
1034 * used to set and check for the validity of plcp_delta.
1036 #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
1037 #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
1038 #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
1039 #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
1040 #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
1041 #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
1043 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
1044 #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
1046 /* TX queue watchdog timeouts in mSecs */
1047 #define IWL_DEF_WD_TIMEOUT (2000)
1048 #define IWL_LONG_WD_TIMEOUT (10000)
1049 #define IWL_MAX_WD_TIMEOUT (120000)
1051 /* BT Antenna Coupling Threshold (dB) */
1052 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
1054 /* Firmware reload counter and Timestamp */
1055 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
1056 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
1062 IWL_MAX_FORCE_RESET
,
1065 struct iwl_force_reset
{
1066 int reset_request_count
;
1067 int reset_success_count
;
1068 int reset_reject_count
;
1069 unsigned long reset_duration
;
1070 unsigned long last_force_reset_jiffies
;
1073 /* extend beacon time format bit shifting */
1076 * bits 31:22 - extended
1077 * bits 21:0 - interval
1079 #define IWLAGN_EXT_BEACON_TIME_POS 22
1082 * struct iwl_notification_wait - notification wait entry
1083 * @list: list head for global list
1084 * @fn: function called with the notification
1087 * This structure is not used directly, to wait for a
1088 * notification declare it on the stack, and call
1089 * iwlagn_init_notification_wait() with appropriate
1090 * parameters. Then do whatever will cause the ucode
1091 * to notify the driver, and to wait for that then
1092 * call iwlagn_wait_notification().
1094 * Each notification is one-shot. If at some point we
1095 * need to support multi-shot notifications (which
1096 * can't be allocated on the stack) we need to modify
1097 * the code for them.
1099 struct iwl_notification_wait
{
1100 struct list_head list
;
1102 void (*fn
)(struct iwl_priv
*priv
, struct iwl_rx_packet
*pkt
,
1107 bool triggered
, aborted
;
1110 enum iwl_rxon_context_id
{
1117 struct iwl_rxon_context
{
1118 struct ieee80211_vif
*vif
;
1120 const u8
*ac_to_fifo
;
1121 const u8
*ac_to_queue
;
1125 * We could use the vif to indicate active, but we
1126 * also need it to be active during disabling when
1127 * we already removed the vif for type setting.
1129 bool always_active
, is_active
;
1131 bool ht_need_multiple_chains
;
1133 enum iwl_rxon_context_id ctxid
;
1135 u32 interface_modes
, exclusive_interface_modes
;
1136 u8 unused_devtype
, ap_devtype
, ibss_devtype
, station_devtype
;
1139 * We declare this const so it can only be
1140 * changed via explicit cast within the
1141 * routines that actually update the physical
1144 const struct iwl_rxon_cmd active
;
1145 struct iwl_rxon_cmd staging
;
1147 struct iwl_rxon_time_cmd timing
;
1149 struct iwl_qos_info qos_data
;
1151 u8 bcast_sta_id
, ap_sta_id
;
1153 u8 rxon_cmd
, rxon_assoc_cmd
, rxon_timing_cmd
;
1157 struct iwl_wep_key wep_keys
[WEP_KEYS_MAX
];
1158 u8 key_mapping_keys
;
1160 __le32 station_flags
;
1163 bool non_gf_sta_present
;
1165 bool enabled
, is_40mhz
;
1166 u8 extension_chan_offset
;
1169 bool last_tx_rejected
;
1172 enum iwl_scan_type
{
1174 IWL_SCAN_RADIO_RESET
,
1180 /* ieee device used by generic ieee processing code */
1181 struct ieee80211_hw
*hw
;
1182 struct ieee80211_channel
*ieee_channels
;
1183 struct ieee80211_rate
*ieee_rates
;
1184 struct iwl_cfg
*cfg
;
1186 /* temporary frame storage list */
1187 struct list_head free_frames
;
1190 enum ieee80211_band band
;
1192 void (*rx_handlers
[REPLY_MAX
])(struct iwl_priv
*priv
,
1193 struct iwl_rx_mem_buffer
*rxb
);
1195 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
1197 /* spectrum measurement report caching */
1198 struct iwl_spectrum_notification measure_report
;
1199 u8 measurement_status
;
1201 /* ucode beacon time */
1202 u32 ucode_beacon_time
;
1203 int missed_beacon_threshold
;
1205 /* track IBSS manager (last beacon) status */
1208 /* jiffies when last recovery from statistics was performed */
1209 unsigned long rx_statistics_jiffies
;
1212 struct iwl_force_reset force_reset
[IWL_MAX_FORCE_RESET
];
1214 /* firmware reload counter and timestamp */
1215 unsigned long reload_jiffies
;
1218 /* we allocate array of iwl_channel_info for NIC's valid channels.
1219 * Access via channel # using indirect index array */
1220 struct iwl_channel_info
*channel_info
; /* channel info array */
1221 u8 channel_count
; /* # of channels */
1223 /* thermal calibration */
1224 s32 temperature
; /* degrees Kelvin */
1225 s32 last_temperature
;
1227 /* init calibration results */
1228 struct iwl_calib_result calib_results
[IWL_CALIB_MAX
];
1230 /* Scan related variables */
1231 unsigned long scan_start
;
1232 unsigned long scan_start_tsf
;
1234 enum ieee80211_band scan_band
;
1235 struct cfg80211_scan_request
*scan_request
;
1236 struct ieee80211_vif
*scan_vif
;
1237 enum iwl_scan_type scan_type
;
1238 u8 scan_tx_ant
[IEEE80211_NUM_BANDS
];
1242 spinlock_t lock
; /* protect general shared data */
1243 spinlock_t hcmd_lock
; /* protect hcmd */
1244 spinlock_t reg_lock
; /* protect hw register access */
1247 /* basic pci-network driver stuff */
1248 struct pci_dev
*pci_dev
;
1250 /* pci hardware address support */
1251 void __iomem
*hw_base
;
1253 /* microcode/device supports multiple contexts */
1256 /* command queue number */
1259 /* max number of station keys */
1262 /* EEPROM MAC addresses */
1263 struct mac_address addresses
[2];
1265 /* uCode images, save to reload in case of failure */
1266 int fw_index
; /* firmware we're trying to load */
1267 u32 ucode_ver
; /* version of ucode, copy of
1269 struct fw_desc ucode_code
; /* runtime inst */
1270 struct fw_desc ucode_data
; /* runtime data original */
1271 struct fw_desc ucode_init
; /* initialization inst */
1272 struct fw_desc ucode_init_data
; /* initialization data */
1273 enum iwlagn_ucode_subtype ucode_type
;
1274 u8 ucode_write_complete
; /* the image write is complete */
1275 char firmware_name
[25];
1277 struct iwl_rxon_context contexts
[NUM_IWL_RXON_CTX
];
1279 struct iwl_switch_rxon switch_rxon
;
1282 u32 error_event_table
;
1283 u32 log_event_table
;
1289 struct iwl_sensitivity_data sensitivity_data
;
1290 struct iwl_chain_noise_data chain_noise_data
;
1291 bool enhance_sensitivity_table
;
1292 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
1293 __le16 enhance_sensitivity_tbl
[ENHANCE_HD_TABLE_ENTRIES
];
1295 struct iwl_ht_config current_ht_config
;
1297 /* Rate scaling data */
1300 wait_queue_head_t wait_command_queue
;
1302 int activity_timer_active
;
1304 /* Rx and Tx DMA processing queues */
1305 struct iwl_rx_queue rxq
;
1306 struct iwl_tx_queue
*txq
;
1307 unsigned long txq_ctx_active_msk
;
1308 struct iwl_dma_ptr kw
; /* keep warm address */
1309 struct iwl_dma_ptr scd_bc_tbls
;
1311 u32 scd_base_addr
; /* scheduler sram base address */
1313 unsigned long status
;
1315 /* counts mgmt, ctl, and data packets */
1316 struct traffic_stats tx_stats
;
1317 struct traffic_stats rx_stats
;
1319 /* counts interrupts */
1320 struct isr_statistics isr_stats
;
1322 struct iwl_power_mgr power_data
;
1323 struct iwl_tt_mgmt thermal_throttle
;
1325 /* station table variables */
1327 /* Note: if lock and sta_lock are needed, lock must be acquired first */
1328 spinlock_t sta_lock
;
1330 struct iwl_station_entry stations
[IWLAGN_STATION_COUNT
];
1331 unsigned long ucode_key_table
;
1333 /* queue refcounts */
1334 #define IWL_MAX_HW_QUEUES 32
1335 unsigned long queue_stopped
[BITS_TO_LONGS(IWL_MAX_HW_QUEUES
)];
1337 atomic_t queue_stop_count
[4];
1339 /* Indication if ieee80211_ops->open has been called */
1342 u8 mac80211_registered
;
1344 /* eeprom -- this is in the card's little endian byte order */
1346 int nvm_device_type
;
1347 struct iwl_eeprom_calib_info
*calib_info
;
1349 enum nl80211_iftype iw_mode
;
1351 /* Last Rx'd beacon timestamp */
1356 struct statistics_general_common common
;
1357 struct statistics_rx_non_phy rx_non_phy
;
1358 struct statistics_rx_phy rx_ofdm
;
1359 struct statistics_rx_ht_phy rx_ofdm_ht
;
1360 struct statistics_rx_phy rx_cck
;
1361 struct statistics_tx tx
;
1362 #ifdef CONFIG_IWLWIFI_DEBUGFS
1363 struct statistics_bt_activity bt_activity
;
1364 __le32 num_bt_kills
, accum_num_bt_kills
;
1367 #ifdef CONFIG_IWLWIFI_DEBUGFS
1369 struct statistics_general_common common
;
1370 struct statistics_rx_non_phy rx_non_phy
;
1371 struct statistics_rx_phy rx_ofdm
;
1372 struct statistics_rx_ht_phy rx_ofdm_ht
;
1373 struct statistics_rx_phy rx_cck
;
1374 struct statistics_tx tx
;
1375 struct statistics_bt_activity bt_activity
;
1376 } accum_stats
, delta_stats
, max_delta_stats
;
1383 dma_addr_t ict_tbl_dma
;
1384 dma_addr_t aligned_ict_tbl_dma
;
1389 * reporting the number of tids has AGG on. 0 means
1394 struct iwl_rx_phy_res last_phy_res
;
1395 bool last_phy_res_valid
;
1397 struct completion firmware_loading_complete
;
1399 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
1400 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
1403 * chain noise reset and gain commands are the
1404 * two extra calibration commands follows the standard
1405 * phy calibration commands
1407 u8 phy_calib_chain_noise_reset_cmd
;
1408 u8 phy_calib_chain_noise_gain_cmd
;
1410 /* counts reply_tx error */
1411 struct reply_tx_error_statistics reply_tx_stats
;
1412 struct reply_agg_tx_error_statistics reply_agg_tx_stats
;
1413 /* notification wait support */
1414 struct list_head notif_waits
;
1415 spinlock_t notif_wait_lock
;
1416 wait_queue_head_t notif_waitq
;
1418 /* remain-on-channel offload support */
1419 struct ieee80211_channel
*hw_roc_channel
;
1420 struct delayed_work hw_roc_work
;
1421 enum nl80211_channel_type hw_roc_chantype
;
1422 int hw_roc_duration
;
1425 struct sk_buff
*offchan_tx_skb
;
1426 int offchan_tx_timeout
;
1427 struct ieee80211_channel
*offchan_tx_chan
;
1433 u8 bt_traffic_load
, last_bt_traffic_load
;
1434 bool bt_ch_announce
;
1435 bool bt_full_concurrent
;
1436 bool bt_ant_couple_ok
;
1437 __le32 kill_ack_mask
;
1438 __le32 kill_cts_mask
;
1442 u16 dynamic_frag_thresh
;
1443 u8 bt_ci_compliance
;
1444 struct work_struct bt_traffic_change_work
;
1446 struct iwl_hw_params hw_params
;
1450 struct workqueue_struct
*workqueue
;
1452 struct work_struct restart
;
1453 struct work_struct scan_completed
;
1454 struct work_struct rx_replenish
;
1455 struct work_struct abort_scan
;
1457 struct work_struct beacon_update
;
1458 struct iwl_rxon_context
*beacon_ctx
;
1459 struct sk_buff
*beacon_skb
;
1461 struct work_struct tt_work
;
1462 struct work_struct ct_enter
;
1463 struct work_struct ct_exit
;
1464 struct work_struct start_internal_scan
;
1465 struct work_struct tx_flush
;
1466 struct work_struct bt_full_concurrency
;
1467 struct work_struct bt_runtime_config
;
1469 struct tasklet_struct irq_tasklet
;
1471 struct delayed_work scan_check
;
1474 s8 tx_power_user_lmt
;
1475 s8 tx_power_device_lmt
;
1476 s8 tx_power_lmt_in_half_dbm
; /* max tx power in half-dBm format */
1480 #ifdef CONFIG_IWLWIFI_DEBUG
1481 /* debugging info */
1482 u32 debug_level
; /* per device debugging will override global
1483 iwl_debug_level if set */
1484 #endif /* CONFIG_IWLWIFI_DEBUG */
1485 #ifdef CONFIG_IWLWIFI_DEBUGFS
1491 struct dentry
*debugfs_dir
;
1492 u32 dbgfs_sram_offset
, dbgfs_sram_len
;
1494 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1496 struct work_struct txpower_work
;
1497 u32 disable_sens_cal
;
1498 u32 disable_chain_noise_cal
;
1499 struct work_struct run_time_calib_work
;
1500 struct timer_list statistics_periodic
;
1501 struct timer_list ucode_trace
;
1502 struct timer_list watchdog
;
1505 struct iwl_event_log event_log
;
1507 struct led_classdev led
;
1508 unsigned long blink_on
, blink_off
;
1509 bool led_registered
;
1512 static inline void iwl_txq_ctx_activate(struct iwl_priv
*priv
, int txq_id
)
1514 set_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1517 static inline void iwl_txq_ctx_deactivate(struct iwl_priv
*priv
, int txq_id
)
1519 clear_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1522 #ifdef CONFIG_IWLWIFI_DEBUG
1524 * iwl_get_debug_level: Return active debug level for device
1526 * Using sysfs it is possible to set per device debug level. This debug
1527 * level will be used if set, otherwise the global debug level which can be
1528 * set via module parameter is used.
1530 static inline u32
iwl_get_debug_level(struct iwl_priv
*priv
)
1532 if (priv
->debug_level
)
1533 return priv
->debug_level
;
1535 return iwl_debug_level
;
1538 static inline u32
iwl_get_debug_level(struct iwl_priv
*priv
)
1540 return iwl_debug_level
;
1545 static inline struct ieee80211_hdr
*iwl_tx_queue_get_hdr(struct iwl_priv
*priv
,
1546 int txq_id
, int idx
)
1548 if (priv
->txq
[txq_id
].txb
[idx
].skb
)
1549 return (struct ieee80211_hdr
*)priv
->txq
[txq_id
].
1554 static inline struct iwl_rxon_context
*
1555 iwl_rxon_ctx_from_vif(struct ieee80211_vif
*vif
)
1557 struct iwl_vif_priv
*vif_priv
= (void *)vif
->drv_priv
;
1559 return vif_priv
->ctx
;
1562 #define for_each_context(priv, ctx) \
1563 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
1564 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
1565 if (priv->valid_contexts & BIT(ctx->ctxid))
1567 static inline int iwl_is_associated(struct iwl_priv
*priv
,
1568 enum iwl_rxon_context_id ctxid
)
1570 return (priv
->contexts
[ctxid
].active
.filter_flags
&
1571 RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1574 static inline int iwl_is_any_associated(struct iwl_priv
*priv
)
1576 return iwl_is_associated(priv
, IWL_RXON_CTX_BSS
);
1579 static inline int iwl_is_associated_ctx(struct iwl_rxon_context
*ctx
)
1581 return (ctx
->active
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1584 static inline int is_channel_valid(const struct iwl_channel_info
*ch_info
)
1586 if (ch_info
== NULL
)
1588 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1591 static inline int is_channel_radar(const struct iwl_channel_info
*ch_info
)
1593 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1596 static inline u8
is_channel_a_band(const struct iwl_channel_info
*ch_info
)
1598 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
1601 static inline u8
is_channel_bg_band(const struct iwl_channel_info
*ch_info
)
1603 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
1606 static inline int is_channel_passive(const struct iwl_channel_info
*ch
)
1608 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1611 static inline int is_channel_ibss(const struct iwl_channel_info
*ch
)
1613 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1616 static inline void __iwl_free_pages(struct iwl_priv
*priv
, struct page
*page
)
1618 __free_pages(page
, priv
->hw_params
.rx_page_order
);
1621 static inline void iwl_free_pages(struct iwl_priv
*priv
, unsigned long page
)
1623 free_pages(page
, priv
->hw_params
.rx_page_order
);
1625 #endif /* __iwl_dev_h__ */