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"
53 /* CT-KILL constants */
54 #define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
55 #define CT_KILL_THRESHOLD 114 /* in Celsius */
56 #define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
58 /* Default noise level to report when noise measurement is not available.
59 * This may be because we're:
60 * 1) Not associated (4965, no beacon statistics being sent to driver)
61 * 2) Scanning (noise measurement does not apply to associated channel)
62 * 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
63 * Use default noise value of -127 ... this is below the range of measurable
64 * Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
65 * Also, -127 works better than 0 when averaging frames with/without
66 * noise info (e.g. averaging might be done in app); measured dBm values are
67 * always negative ... using a negative value as the default keeps all
68 * averages within an s8's (used in some apps) range of negative values. */
69 #define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
72 * RTS threshold here is total size [2347] minus 4 FCS bytes
74 * a value of 0 means RTS on all data/management packets
75 * a value > max MSDU size means no RTS
76 * else RTS for data/management frames where MPDU is larger
79 #define DEFAULT_RTS_THRESHOLD 2347U
80 #define MIN_RTS_THRESHOLD 0U
81 #define MAX_RTS_THRESHOLD 2347U
82 #define MAX_MSDU_SIZE 2304U
83 #define MAX_MPDU_SIZE 2346U
84 #define DEFAULT_BEACON_INTERVAL 100U
85 #define DEFAULT_SHORT_RETRY_LIMIT 7U
86 #define DEFAULT_LONG_RETRY_LIMIT 4U
88 struct iwl_rx_mem_buffer
{
91 struct list_head list
;
94 #define rxb_addr(r) page_address(r->page)
97 struct iwl_device_cmd
;
100 /* only for SYNC commands, iff the reply skb is wanted */
101 struct iwl_host_cmd
*source
;
103 * only for ASYNC commands
104 * (which is somewhat stupid -- look at iwl-sta.c for instance
105 * which duplicates a bunch of code because the callback isn't
106 * invoked for SYNC commands, if it were and its result passed
107 * through it would be simpler...)
109 void (*callback
)(struct iwl_priv
*priv
,
110 struct iwl_device_cmd
*cmd
,
111 struct iwl_rx_packet
*pkt
);
113 /* The CMD_SIZE_HUGE flag bit indicates that the command
114 * structure is stored at the end of the shared queue memory. */
117 DEFINE_DMA_UNMAP_ADDR(mapping
);
118 DEFINE_DMA_UNMAP_LEN(len
);
122 * Generic queue structure
124 * Contains common data for Rx and Tx queues
127 int n_bd
; /* number of BDs in this queue */
128 int write_ptr
; /* 1-st empty entry (index) host_w*/
129 int read_ptr
; /* last used entry (index) host_r*/
130 /* use for monitoring and recovering the stuck queue */
131 dma_addr_t dma_addr
; /* physical addr for BD's */
132 int n_window
; /* safe queue window */
134 int low_mark
; /* low watermark, resume queue if free
135 * space more than this */
136 int high_mark
; /* high watermark, stop queue if free
137 * space less than this */
140 /* One for each TFD */
143 struct iwl_rxon_context
*ctx
;
147 * struct iwl_tx_queue - Tx Queue for DMA
148 * @q: generic Rx/Tx queue descriptor
149 * @bd: base of circular buffer of TFDs
150 * @cmd: array of command/TX buffer pointers
151 * @meta: array of meta data for each command/tx buffer
152 * @dma_addr_cmd: physical address of cmd/tx buffer array
153 * @txb: array of per-TFD driver data
154 * @time_stamp: time (in jiffies) of last read_ptr change
155 * @need_update: indicates need to update read/write index
156 * @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
158 * A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
159 * descriptors) and required locking structures.
161 #define TFD_TX_CMD_SLOTS 256
162 #define TFD_CMD_SLOTS 32
164 struct iwl_tx_queue
{
167 struct iwl_device_cmd
**cmd
;
168 struct iwl_cmd_meta
*meta
;
169 struct iwl_tx_info
*txb
;
170 unsigned long time_stamp
;
177 #define IWL_NUM_SCAN_RATES (2)
180 * One for each channel, holds all channel setup data
181 * Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
184 struct iwl_channel_info
{
185 struct iwl_eeprom_channel eeprom
; /* EEPROM regulatory limit */
186 struct iwl_eeprom_channel ht40_eeprom
; /* EEPROM regulatory limit for
189 u8 channel
; /* channel number */
190 u8 flags
; /* flags copied from EEPROM */
191 s8 max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
192 s8 curr_txpow
; /* (dBm) regulatory/spectrum/user (not h/w) limit */
193 s8 min_power
; /* always 0 */
194 s8 scan_power
; /* (dBm) regul. eeprom, direct scans, any rate */
196 u8 group_index
; /* 0-4, maps channel to group1/2/3/4/5 */
197 u8 band_index
; /* 0-4, maps channel to band1/2/3/4/5 */
198 enum ieee80211_band band
;
200 /* HT40 channel info */
201 s8 ht40_max_power_avg
; /* (dBm) regul. eeprom, normal Tx, any rate */
202 u8 ht40_flags
; /* flags copied from EEPROM */
203 u8 ht40_extension_channel
; /* HT_IE_EXT_CHANNEL_* */
206 #define IWL_TX_FIFO_BK 0 /* shared */
207 #define IWL_TX_FIFO_BE 1
208 #define IWL_TX_FIFO_VI 2 /* shared */
209 #define IWL_TX_FIFO_VO 3
210 #define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK
211 #define IWL_TX_FIFO_BE_IPAN 4
212 #define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI
213 #define IWL_TX_FIFO_VO_IPAN 5
214 #define IWL_TX_FIFO_UNUSED -1
216 /* Minimum number of queues. MAX_NUM is defined in hw specific files.
217 * Set the minimum to accommodate the 4 standard TX queues, 1 command
218 * queue, 2 (unused) HCCA queues, and 4 HT queues (one for each AC) */
219 #define IWL_MIN_NUM_QUEUES 10
222 * Command queue depends on iPAN support.
224 #define IWL_DEFAULT_CMD_QUEUE_NUM 4
225 #define IWL_IPAN_CMD_QUEUE_NUM 9
228 * This queue number is required for proper operation
229 * because the ucode will stop/start the scheduler as
232 #define IWL_IPAN_MCAST_QUEUE 8
234 #define IEEE80211_DATA_LEN 2304
235 #define IEEE80211_4ADDR_LEN 30
236 #define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
237 #define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
240 #define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
241 #define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
242 #define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
248 CMD_SIZE_HUGE
= (1 << 0),
249 CMD_ASYNC
= (1 << 1),
250 CMD_WANT_SKB
= (1 << 2),
251 CMD_MAPPED
= (1 << 3),
254 #define DEF_CMD_PAYLOAD_SIZE 320
257 * struct iwl_device_cmd
259 * For allocation of the command and tx queues, this establishes the overall
260 * size of the largest command we send to uCode, except for a scan command
261 * (which is relatively huge; space is allocated separately).
263 struct iwl_device_cmd
{
264 struct iwl_cmd_header hdr
; /* uCode API */
270 struct iwl_tx_cmd tx
;
271 struct iwl6000_channel_switch_cmd chswitch
;
272 u8 payload
[DEF_CMD_PAYLOAD_SIZE
];
276 #define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
278 #define IWL_MAX_CMD_TFDS 1
280 struct iwl_host_cmd
{
281 const void *data
[IWL_MAX_CMD_TFDS
];
282 unsigned long reply_page
;
283 void (*callback
)(struct iwl_priv
*priv
,
284 struct iwl_device_cmd
*cmd
,
285 struct iwl_rx_packet
*pkt
);
287 u16 len
[IWL_MAX_CMD_TFDS
];
291 #define SUP_RATE_11A_MAX_NUM_CHANNELS 8
292 #define SUP_RATE_11B_MAX_NUM_CHANNELS 4
293 #define SUP_RATE_11G_MAX_NUM_CHANNELS 12
296 * struct iwl_rx_queue - Rx queue
297 * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
298 * @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
299 * @read: Shared index to newest available Rx buffer
300 * @write: Shared index to oldest written Rx packet
301 * @free_count: Number of pre-allocated buffers in rx_free
302 * @rx_free: list of free SKBs for use
303 * @rx_used: List of Rx buffers with no SKB
304 * @need_update: flag to indicate we need to update read/write index
305 * @rb_stts: driver's pointer to receive buffer status
306 * @rb_stts_dma: bus address of receive buffer status
308 * NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
310 struct iwl_rx_queue
{
313 struct iwl_rx_mem_buffer pool
[RX_QUEUE_SIZE
+ RX_FREE_BUFFERS
];
314 struct iwl_rx_mem_buffer
*queue
[RX_QUEUE_SIZE
];
319 struct list_head rx_free
;
320 struct list_head rx_used
;
322 struct iwl_rb_status
*rb_stts
;
323 dma_addr_t rb_stts_dma
;
327 #define IWL_SUPPORTED_RATES_IE_LEN 8
329 #define MAX_TID_COUNT 9
331 #define IWL_INVALID_RATE 0xFF
332 #define IWL_INVALID_VALUE -1
335 * struct iwl_ht_agg -- aggregation status while waiting for block-ack
336 * @txq_id: Tx queue used for Tx attempt
337 * @frame_count: # frames attempted by Tx command
338 * @wait_for_ba: Expect block-ack before next Tx reply
339 * @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
340 * @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
341 * @bitmap1: High order, one bit for each frame pending ACK in Tx window
342 * @rate_n_flags: Rate at which Tx was attempted
344 * If REPLY_TX indicates that aggregation was attempted, driver must wait
345 * for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
346 * until block ack arrives.
355 #define IWL_AGG_OFF 0
357 #define IWL_EMPTYING_HW_QUEUE_ADDBA 2
358 #define IWL_EMPTYING_HW_QUEUE_DELBA 3
364 struct iwl_tid_data
{
365 u16 seq_number
; /* agn only */
367 struct iwl_ht_agg agg
;
377 union iwl_ht_rate_supp
{
385 #define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
386 #define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
387 #define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
388 #define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
389 #define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
390 #define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
391 #define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
394 * Maximal MPDU density for TX aggregation
400 #define CFG_HT_MPDU_DENSITY_2USEC (0x4)
401 #define CFG_HT_MPDU_DENSITY_4USEC (0x5)
402 #define CFG_HT_MPDU_DENSITY_8USEC (0x6)
403 #define CFG_HT_MPDU_DENSITY_16USEC (0x7)
404 #define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
405 #define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
406 #define CFG_HT_MPDU_DENSITY_MIN (0x1)
408 struct iwl_ht_config
{
409 bool single_chain_sufficient
;
410 enum ieee80211_smps_mode smps
; /* current smps mode */
414 struct iwl_qos_info
{
416 struct iwl_qosparam_cmd def_qos_parm
;
420 * Structure should be accessed with sta_lock held. When station addition
421 * is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
422 * the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
425 struct iwl_station_entry
{
426 struct iwl_addsta_cmd sta
;
427 struct iwl_tid_data tid
[MAX_TID_COUNT
];
429 struct iwl_hw_key keyinfo
;
430 struct iwl_link_quality_cmd
*lq
;
433 struct iwl_station_priv_common
{
434 struct iwl_rxon_context
*ctx
;
439 * iwl_station_priv: Driver's private station information
441 * When mac80211 creates a station it reserves some space (hw->sta_data_size)
442 * in the structure for use by driver. This structure is places in that
445 struct iwl_station_priv
{
446 struct iwl_station_priv_common common
;
447 struct iwl_lq_sta lq_sta
;
448 atomic_t pending_frames
;
455 * struct iwl_vif_priv - driver's private per-interface information
457 * When mac80211 allocates a virtual interface, it can allocate
458 * space for us to put data into.
460 struct iwl_vif_priv
{
461 struct iwl_rxon_context
*ctx
;
462 u8 ibss_bssid_sta_id
;
465 /* one for each uCode image (inst/data, boot/init/runtime) */
467 void *v_addr
; /* access by driver */
468 dma_addr_t p_addr
; /* access by card's busmaster DMA */
473 struct fw_desc code
, data
;
476 /* v1/v2 uCode file layout */
477 struct iwl_ucode_header
{
478 __le32 ver
; /* major/minor/API/serial */
481 __le32 inst_size
; /* bytes of runtime code */
482 __le32 data_size
; /* bytes of runtime data */
483 __le32 init_size
; /* bytes of init code */
484 __le32 init_data_size
; /* bytes of init data */
485 __le32 boot_size
; /* bytes of bootstrap code */
486 u8 data
[0]; /* in same order as sizes */
489 __le32 build
; /* build number */
490 __le32 inst_size
; /* bytes of runtime code */
491 __le32 data_size
; /* bytes of runtime data */
492 __le32 init_size
; /* bytes of init code */
493 __le32 init_data_size
; /* bytes of init data */
494 __le32 boot_size
; /* bytes of bootstrap code */
495 u8 data
[0]; /* in same order as sizes */
501 * new TLV uCode file layout
503 * The new TLV file format contains TLVs, that each specify
504 * some piece of data. To facilitate "groups", for example
505 * different instruction image with different capabilities,
506 * bundled with the same init image, an alternative mechanism
508 * When the alternative field is 0, that means that the item
509 * is always valid. When it is non-zero, then it is only
510 * valid in conjunction with items of the same alternative,
511 * in which case the driver (user) selects one alternative
515 enum iwl_ucode_tlv_type
{
516 IWL_UCODE_TLV_INVALID
= 0, /* unused */
517 IWL_UCODE_TLV_INST
= 1,
518 IWL_UCODE_TLV_DATA
= 2,
519 IWL_UCODE_TLV_INIT
= 3,
520 IWL_UCODE_TLV_INIT_DATA
= 4,
521 IWL_UCODE_TLV_BOOT
= 5,
522 IWL_UCODE_TLV_PROBE_MAX_LEN
= 6, /* a u32 value */
523 IWL_UCODE_TLV_PAN
= 7,
524 IWL_UCODE_TLV_RUNT_EVTLOG_PTR
= 8,
525 IWL_UCODE_TLV_RUNT_EVTLOG_SIZE
= 9,
526 IWL_UCODE_TLV_RUNT_ERRLOG_PTR
= 10,
527 IWL_UCODE_TLV_INIT_EVTLOG_PTR
= 11,
528 IWL_UCODE_TLV_INIT_EVTLOG_SIZE
= 12,
529 IWL_UCODE_TLV_INIT_ERRLOG_PTR
= 13,
530 IWL_UCODE_TLV_ENHANCE_SENS_TBL
= 14,
531 IWL_UCODE_TLV_PHY_CALIBRATION_SIZE
= 15,
532 /* 16 and 17 reserved for future use */
533 IWL_UCODE_TLV_FLAGS
= 18,
537 * enum iwl_ucode_tlv_flag - ucode API flags
538 * @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
539 * was a separate TLV but moved here to save space.
540 * @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID,
541 * treats good CRC threshold as a boolean
542 * @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
544 enum iwl_ucode_tlv_flag
{
545 IWL_UCODE_TLV_FLAGS_PAN
= BIT(0),
546 IWL_UCODE_TLV_FLAGS_NEWSCAN
= BIT(1),
547 IWL_UCODE_TLV_FLAGS_MFP
= BIT(2),
550 struct iwl_ucode_tlv
{
551 __le16 type
; /* see above */
552 __le16 alternative
; /* see comment */
553 __le32 length
; /* not including type/length fields */
557 #define IWL_TLV_UCODE_MAGIC 0x0a4c5749
559 struct iwl_tlv_ucode_header
{
561 * The TLV style ucode header is distinguished from
562 * the v1/v2 style header by first four bytes being
563 * zero, as such is an invalid combination of
564 * major/minor/API/serial versions.
568 u8 human_readable
[64];
569 __le32 ver
; /* major/minor/API/serial */
571 __le64 alternatives
; /* bitmask of valid alternatives */
573 * The data contained herein has a TLV layout,
574 * see above for the TLV header and types.
575 * Note that each TLV is padded to a length
576 * that is a multiple of 4 for alignment.
581 struct iwl_sensitivity_ranges
{
588 u16 auto_corr_min_ofdm
;
589 u16 auto_corr_min_ofdm_mrc
;
590 u16 auto_corr_min_ofdm_x1
;
591 u16 auto_corr_min_ofdm_mrc_x1
;
593 u16 auto_corr_max_ofdm
;
594 u16 auto_corr_max_ofdm_mrc
;
595 u16 auto_corr_max_ofdm_x1
;
596 u16 auto_corr_max_ofdm_mrc_x1
;
598 u16 auto_corr_max_cck
;
599 u16 auto_corr_max_cck_mrc
;
600 u16 auto_corr_min_cck
;
601 u16 auto_corr_min_cck_mrc
;
603 u16 barker_corr_th_min
;
604 u16 barker_corr_th_min_mrc
;
609 #define KELVIN_TO_CELSIUS(x) ((x)-273)
610 #define CELSIUS_TO_KELVIN(x) ((x)+273)
614 * struct iwl_hw_params
615 * @max_txq_num: Max # Tx queues supported
616 * @dma_chnl_num: Number of Tx DMA/FIFO channels
617 * @scd_bc_tbls_size: size of scheduler byte count tables
618 * @tfd_size: TFD size
619 * @tx/rx_chains_num: Number of TX/RX chains
620 * @valid_tx/rx_ant: usable antennas
621 * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2)
622 * @max_rxq_log: Log-base-2 of max_rxq_size
623 * @rx_page_order: Rx buffer page order
624 * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR
626 * @ht40_channel: is 40MHz width possible in band 2.4
627 * BIT(IEEE80211_BAND_5GHZ) BIT(IEEE80211_BAND_5GHZ)
628 * @sw_crypto: 0 for hw, 1 for sw
629 * @max_xxx_size: for ucode uses
630 * @ct_kill_threshold: temperature threshold
631 * @beacon_time_tsf_bits: number of valid tsf bits for beacon time
632 * @calib_init_cfg: setup initial calibrations for the hw
633 * @calib_rt_cfg: setup runtime calibrations for the hw
634 * @struct iwl_sensitivity_ranges: range of sensitivity values
636 struct iwl_hw_params
{
639 u16 scd_bc_tbls_size
;
651 u8 max_beacon_itrvl
; /* in 1024 ms */
654 u32 ct_kill_threshold
; /* value in hw-dependent units */
655 u32 ct_kill_exit_threshold
; /* value in hw-dependent units */
656 /* for 1000, 6000 series and up */
657 u16 beacon_time_tsf_bits
;
660 const struct iwl_sensitivity_ranges
*sens
;
664 /******************************************************************************
666 * Functions implemented in core module which are forward declared here
667 * for use by iwl-[4-5].c
669 * NOTE: The implementation of these functions are not hardware specific
670 * which is why they are in the core module files.
672 * Naming convention --
673 * iwl_ <-- Is part of iwlwifi
674 * iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
676 ****************************************************************************/
677 extern void iwl_update_chain_flags(struct iwl_priv
*priv
);
678 extern const u8 iwl_bcast_addr
[ETH_ALEN
];
679 extern int iwl_rxq_stop(struct iwl_priv
*priv
);
680 extern void iwl_txq_ctx_stop(struct iwl_priv
*priv
);
681 extern int iwl_queue_space(const struct iwl_queue
*q
);
682 static inline int iwl_queue_used(const struct iwl_queue
*q
, int i
)
684 return q
->write_ptr
>= q
->read_ptr
?
685 (i
>= q
->read_ptr
&& i
< q
->write_ptr
) :
686 !(i
< q
->read_ptr
&& i
>= q
->write_ptr
);
690 static inline u8
get_cmd_index(struct iwl_queue
*q
, u32 index
, int is_huge
)
693 * This is for init calibration result and scan command which
694 * required buffer > TFD_MAX_PAYLOAD_SIZE,
695 * the big buffer at end of command array
698 return q
->n_window
; /* must be power of 2 */
700 /* Otherwise, use normal size buffers */
701 return index
& (q
->n_window
- 1);
711 #define IWL_OPERATION_MODE_AUTO 0
712 #define IWL_OPERATION_MODE_HT_ONLY 1
713 #define IWL_OPERATION_MODE_MIXED 2
714 #define IWL_OPERATION_MODE_20MHZ 3
716 #define IWL_TX_CRC_SIZE 4
717 #define IWL_TX_DELIMITER_SIZE 4
719 #define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
721 /* Sensitivity and chain noise calibration */
722 #define INITIALIZATION_VALUE 0xFFFF
723 #define IWL_CAL_NUM_BEACONS 16
724 #define MAXIMUM_ALLOWED_PATHLOSS 15
726 #define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
728 #define MAX_FA_OFDM 50
729 #define MIN_FA_OFDM 5
730 #define MAX_FA_CCK 50
733 #define AUTO_CORR_STEP_OFDM 1
735 #define AUTO_CORR_STEP_CCK 3
736 #define AUTO_CORR_MAX_TH_CCK 160
739 #define NRG_STEP_CCK 2
741 #define MAX_NUMBER_CCK_NO_FA 100
743 #define AUTO_CORR_CCK_MIN_VAL_DEF (125)
748 #define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
749 #define ALL_BAND_FILTER 0xFF00
750 #define IN_BAND_FILTER 0xFF
751 #define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
753 #define NRG_NUM_PREV_STAT_L 20
754 #define NUM_RX_CHAINS 3
756 enum iwlagn_false_alarm_state
{
759 IWL_FA_GOOD_RANGE
= 2,
762 enum iwlagn_chain_noise_state
{
763 IWL_CHAIN_NOISE_ALIVE
= 0, /* must be 0 */
764 IWL_CHAIN_NOISE_ACCUMULATE
,
765 IWL_CHAIN_NOISE_CALIBRATED
,
766 IWL_CHAIN_NOISE_DONE
,
772 * defines the order in which results of initial calibrations
773 * should be sent to the runtime uCode
780 IWL_CALIB_TX_IQ_PERD
,
782 IWL_CALIB_TEMP_OFFSET
,
786 /* Opaque calibration results */
787 struct iwl_calib_result
{
792 /* Sensitivity calib data */
793 struct iwl_sensitivity_data
{
795 u32 auto_corr_ofdm_mrc
;
796 u32 auto_corr_ofdm_x1
;
797 u32 auto_corr_ofdm_mrc_x1
;
799 u32 auto_corr_cck_mrc
;
801 u32 last_bad_plcp_cnt_ofdm
;
802 u32 last_fa_cnt_ofdm
;
803 u32 last_bad_plcp_cnt_cck
;
809 u8 nrg_silence_rssi
[NRG_NUM_PREV_STAT_L
];
814 s32 nrg_auto_corr_silence_diff
;
815 u32 num_in_cck_no_fa
;
818 u16 barker_corr_th_min
;
819 u16 barker_corr_th_min_mrc
;
823 /* Chain noise (differential Rx gain) calib data */
824 struct iwl_chain_noise_data
{
833 u8 disconn_array
[NUM_RX_CHAINS
];
834 u8 delta_gain_code
[NUM_RX_CHAINS
];
839 #define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
840 #define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
842 #define IWL_TRAFFIC_ENTRIES (256)
843 #define IWL_TRAFFIC_ENTRY_SIZE (64)
846 MEASUREMENT_READY
= (1 << 0),
847 MEASUREMENT_ACTIVE
= (1 << 1),
851 NVM_DEVICE_TYPE_EEPROM
= 0,
856 * Two types of OTP memory access modes
857 * IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
858 * based on physical memory addressing
859 * IWL_OTP_ACCESS_RELATIVE - relative address mode,
860 * based on logical memory addressing
862 enum iwl_access_mode
{
863 IWL_OTP_ACCESS_ABSOLUTE
,
864 IWL_OTP_ACCESS_RELATIVE
,
868 * enum iwl_pa_type - Power Amplifier type
869 * @IWL_PA_SYSTEM: based on uCode configuration
870 * @IWL_PA_INTERNAL: use Internal only
877 /* interrupt statistics */
878 struct isr_statistics
{
888 u32 rx_handlers
[REPLY_MAX
];
893 /* reply_tx_statistics (for _agn devices) */
894 struct reply_tx_error_statistics
{
900 u32 int_crossed_retry
;
916 u32 sta_color_mismatch
;
920 /* reply_agg_tx_statistics (for _agn devices) */
921 struct reply_agg_tx_error_statistics
{
928 u32 last_sent_bt_kill
;
937 /* management statistics */
938 enum iwl_mgmt_stats
{
939 MANAGEMENT_ASSOC_REQ
= 0,
940 MANAGEMENT_ASSOC_RESP
,
941 MANAGEMENT_REASSOC_REQ
,
942 MANAGEMENT_REASSOC_RESP
,
943 MANAGEMENT_PROBE_REQ
,
944 MANAGEMENT_PROBE_RESP
,
953 /* control statistics */
954 enum iwl_ctrl_stats
{
955 CONTROL_BACK_REQ
= 0,
966 struct traffic_stats
{
967 #ifdef CONFIG_IWLWIFI_DEBUGFS
968 u32 mgmt
[MANAGEMENT_MAX
];
969 u32 ctrl
[CONTROL_MAX
];
976 * iwl_switch_rxon: "channel switch" structure
978 * @ switch_in_progress: channel switch in progress
979 * @ channel: new channel
981 struct iwl_switch_rxon
{
982 bool switch_in_progress
;
987 * schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
988 * to perform continuous uCode event logging operation if enabled
990 #define UCODE_TRACE_PERIOD (100)
993 * iwl_event_log: current uCode event log position
995 * @ucode_trace: enable/disable ucode continuous trace timer
996 * @num_wraps: how many times the event buffer wraps
997 * @next_entry: the entry just before the next one that uCode would fill
998 * @non_wraps_count: counter for no wrap detected when dump ucode events
999 * @wraps_once_count: counter for wrap once detected when dump ucode events
1000 * @wraps_more_count: counter for wrap more than once detected
1001 * when dump ucode events
1003 struct iwl_event_log
{
1007 int non_wraps_count
;
1008 int wraps_once_count
;
1009 int wraps_more_count
;
1013 * host interrupt timeout value
1014 * used with setting interrupt coalescing timer
1015 * the CSR_INT_COALESCING is an 8 bit register in 32-usec unit
1017 * default interrupt coalescing timer is 64 x 32 = 2048 usecs
1018 * default interrupt coalescing calibration timer is 16 x 32 = 512 usecs
1020 #define IWL_HOST_INT_TIMEOUT_MAX (0xFF)
1021 #define IWL_HOST_INT_TIMEOUT_DEF (0x40)
1022 #define IWL_HOST_INT_TIMEOUT_MIN (0x0)
1023 #define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF)
1024 #define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10)
1025 #define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0)
1028 * This is the threshold value of plcp error rate per 100mSecs. It is
1029 * used to set and check for the validity of plcp_delta.
1031 #define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
1032 #define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
1033 #define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
1034 #define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
1035 #define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
1036 #define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
1038 #define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
1039 #define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
1041 /* TX queue watchdog timeouts in mSecs */
1042 #define IWL_DEF_WD_TIMEOUT (2000)
1043 #define IWL_LONG_WD_TIMEOUT (10000)
1044 #define IWL_MAX_WD_TIMEOUT (120000)
1046 /* BT Antenna Coupling Threshold (dB) */
1047 #define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
1049 /* Firmware reload counter and Timestamp */
1050 #define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
1051 #define IWL_MAX_CONTINUE_RELOAD_CNT 4
1057 IWL_MAX_FORCE_RESET
,
1060 struct iwl_force_reset
{
1061 int reset_request_count
;
1062 int reset_success_count
;
1063 int reset_reject_count
;
1064 unsigned long reset_duration
;
1065 unsigned long last_force_reset_jiffies
;
1068 /* extend beacon time format bit shifting */
1071 * bits 31:22 - extended
1072 * bits 21:0 - interval
1074 #define IWLAGN_EXT_BEACON_TIME_POS 22
1077 * struct iwl_notification_wait - notification wait entry
1078 * @list: list head for global list
1079 * @fn: function called with the notification
1082 * This structure is not used directly, to wait for a
1083 * notification declare it on the stack, and call
1084 * iwlagn_init_notification_wait() with appropriate
1085 * parameters. Then do whatever will cause the ucode
1086 * to notify the driver, and to wait for that then
1087 * call iwlagn_wait_notification().
1089 * Each notification is one-shot. If at some point we
1090 * need to support multi-shot notifications (which
1091 * can't be allocated on the stack) we need to modify
1092 * the code for them.
1094 struct iwl_notification_wait
{
1095 struct list_head list
;
1097 void (*fn
)(struct iwl_priv
*priv
, struct iwl_rx_packet
*pkt
,
1102 bool triggered
, aborted
;
1105 enum iwl_rxon_context_id
{
1112 struct iwl_rxon_context
{
1113 struct ieee80211_vif
*vif
;
1115 const u8
*ac_to_fifo
;
1116 const u8
*ac_to_queue
;
1120 * We could use the vif to indicate active, but we
1121 * also need it to be active during disabling when
1122 * we already removed the vif for type setting.
1124 bool always_active
, is_active
;
1126 bool ht_need_multiple_chains
;
1128 enum iwl_rxon_context_id ctxid
;
1130 u32 interface_modes
, exclusive_interface_modes
;
1131 u8 unused_devtype
, ap_devtype
, ibss_devtype
, station_devtype
;
1134 * We declare this const so it can only be
1135 * changed via explicit cast within the
1136 * routines that actually update the physical
1139 const struct iwl_rxon_cmd active
;
1140 struct iwl_rxon_cmd staging
;
1142 struct iwl_rxon_time_cmd timing
;
1144 struct iwl_qos_info qos_data
;
1146 u8 bcast_sta_id
, ap_sta_id
;
1148 u8 rxon_cmd
, rxon_assoc_cmd
, rxon_timing_cmd
;
1152 struct iwl_wep_key wep_keys
[WEP_KEYS_MAX
];
1153 u8 key_mapping_keys
;
1155 __le32 station_flags
;
1158 bool non_gf_sta_present
;
1160 bool enabled
, is_40mhz
;
1161 u8 extension_chan_offset
;
1164 bool last_tx_rejected
;
1167 enum iwl_scan_type
{
1169 IWL_SCAN_RADIO_RESET
,
1175 /* ieee device used by generic ieee processing code */
1176 struct ieee80211_hw
*hw
;
1177 struct ieee80211_channel
*ieee_channels
;
1178 struct ieee80211_rate
*ieee_rates
;
1179 struct iwl_cfg
*cfg
;
1181 enum ieee80211_band band
;
1183 void (*pre_rx_handler
)(struct iwl_priv
*priv
,
1184 struct iwl_rx_mem_buffer
*rxb
);
1185 void (*rx_handlers
[REPLY_MAX
])(struct iwl_priv
*priv
,
1186 struct iwl_rx_mem_buffer
*rxb
);
1188 struct ieee80211_supported_band bands
[IEEE80211_NUM_BANDS
];
1190 /* spectrum measurement report caching */
1191 struct iwl_spectrum_notification measure_report
;
1192 u8 measurement_status
;
1194 /* ucode beacon time */
1195 u32 ucode_beacon_time
;
1196 int missed_beacon_threshold
;
1198 /* track IBSS manager (last beacon) status */
1201 /* jiffies when last recovery from statistics was performed */
1202 unsigned long rx_statistics_jiffies
;
1205 struct iwl_force_reset force_reset
[IWL_MAX_FORCE_RESET
];
1207 /* firmware reload counter and timestamp */
1208 unsigned long reload_jiffies
;
1211 /* we allocate array of iwl_channel_info for NIC's valid channels.
1212 * Access via channel # using indirect index array */
1213 struct iwl_channel_info
*channel_info
; /* channel info array */
1214 u8 channel_count
; /* # of channels */
1216 /* thermal calibration */
1217 s32 temperature
; /* degrees Kelvin */
1218 s32 last_temperature
;
1220 /* init calibration results */
1221 struct iwl_calib_result calib_results
[IWL_CALIB_MAX
];
1223 /* Scan related variables */
1224 unsigned long scan_start
;
1225 unsigned long scan_start_tsf
;
1227 enum ieee80211_band scan_band
;
1228 struct cfg80211_scan_request
*scan_request
;
1229 struct ieee80211_vif
*scan_vif
;
1230 enum iwl_scan_type scan_type
;
1231 u8 scan_tx_ant
[IEEE80211_NUM_BANDS
];
1235 spinlock_t lock
; /* protect general shared data */
1236 spinlock_t hcmd_lock
; /* protect hcmd */
1237 spinlock_t reg_lock
; /* protect hw register access */
1240 /* basic pci-network driver stuff */
1241 struct pci_dev
*pci_dev
;
1243 /* pci hardware address support */
1244 void __iomem
*hw_base
;
1246 /* microcode/device supports multiple contexts */
1249 /* command queue number */
1252 /* max number of station keys */
1255 bool new_scan_threshold_behaviour
;
1257 /* EEPROM MAC addresses */
1258 struct mac_address addresses
[2];
1260 /* uCode images, save to reload in case of failure */
1261 int fw_index
; /* firmware we're trying to load */
1262 u32 ucode_ver
; /* version of ucode, copy of
1264 struct fw_img ucode_rt
;
1265 struct fw_img ucode_init
;
1267 enum iwlagn_ucode_subtype ucode_type
;
1268 u8 ucode_write_complete
; /* the image write is complete */
1269 char firmware_name
[25];
1271 struct iwl_rxon_context contexts
[NUM_IWL_RXON_CTX
];
1273 struct iwl_switch_rxon switch_rxon
;
1276 u32 error_event_table
;
1277 u32 log_event_table
;
1283 struct iwl_sensitivity_data sensitivity_data
;
1284 struct iwl_chain_noise_data chain_noise_data
;
1285 bool enhance_sensitivity_table
;
1286 __le16 sensitivity_tbl
[HD_TABLE_SIZE
];
1287 __le16 enhance_sensitivity_tbl
[ENHANCE_HD_TABLE_ENTRIES
];
1289 struct iwl_ht_config current_ht_config
;
1291 /* Rate scaling data */
1294 wait_queue_head_t wait_command_queue
;
1296 int activity_timer_active
;
1298 /* Rx and Tx DMA processing queues */
1299 struct iwl_rx_queue rxq
;
1300 struct iwl_tx_queue
*txq
;
1301 unsigned long txq_ctx_active_msk
;
1302 struct iwl_dma_ptr kw
; /* keep warm address */
1303 struct iwl_dma_ptr scd_bc_tbls
;
1305 u32 scd_base_addr
; /* scheduler sram base address */
1307 unsigned long status
;
1309 /* counts mgmt, ctl, and data packets */
1310 struct traffic_stats tx_stats
;
1311 struct traffic_stats rx_stats
;
1313 /* counts interrupts */
1314 struct isr_statistics isr_stats
;
1316 struct iwl_power_mgr power_data
;
1317 struct iwl_tt_mgmt thermal_throttle
;
1319 /* station table variables */
1321 /* Note: if lock and sta_lock are needed, lock must be acquired first */
1322 spinlock_t sta_lock
;
1324 struct iwl_station_entry stations
[IWLAGN_STATION_COUNT
];
1325 unsigned long ucode_key_table
;
1327 /* queue refcounts */
1328 #define IWL_MAX_HW_QUEUES 32
1329 unsigned long queue_stopped
[BITS_TO_LONGS(IWL_MAX_HW_QUEUES
)];
1331 atomic_t queue_stop_count
[4];
1333 /* Indication if ieee80211_ops->open has been called */
1336 u8 mac80211_registered
;
1338 /* eeprom -- this is in the card's little endian byte order */
1340 int nvm_device_type
;
1341 struct iwl_eeprom_calib_info
*calib_info
;
1343 enum nl80211_iftype iw_mode
;
1345 /* Last Rx'd beacon timestamp */
1350 struct statistics_general_common common
;
1351 struct statistics_rx_non_phy rx_non_phy
;
1352 struct statistics_rx_phy rx_ofdm
;
1353 struct statistics_rx_ht_phy rx_ofdm_ht
;
1354 struct statistics_rx_phy rx_cck
;
1355 struct statistics_tx tx
;
1356 #ifdef CONFIG_IWLWIFI_DEBUGFS
1357 struct statistics_bt_activity bt_activity
;
1358 __le32 num_bt_kills
, accum_num_bt_kills
;
1361 #ifdef CONFIG_IWLWIFI_DEBUGFS
1363 struct statistics_general_common common
;
1364 struct statistics_rx_non_phy rx_non_phy
;
1365 struct statistics_rx_phy rx_ofdm
;
1366 struct statistics_rx_ht_phy rx_ofdm_ht
;
1367 struct statistics_rx_phy rx_cck
;
1368 struct statistics_tx tx
;
1369 struct statistics_bt_activity bt_activity
;
1370 } accum_stats
, delta_stats
, max_delta_stats
;
1377 dma_addr_t ict_tbl_dma
;
1378 dma_addr_t aligned_ict_tbl_dma
;
1383 * reporting the number of tids has AGG on. 0 means
1388 struct iwl_rx_phy_res last_phy_res
;
1389 bool last_phy_res_valid
;
1391 struct completion firmware_loading_complete
;
1393 u32 init_evtlog_ptr
, init_evtlog_size
, init_errlog_ptr
;
1394 u32 inst_evtlog_ptr
, inst_evtlog_size
, inst_errlog_ptr
;
1397 * chain noise reset and gain commands are the
1398 * two extra calibration commands follows the standard
1399 * phy calibration commands
1401 u8 phy_calib_chain_noise_reset_cmd
;
1402 u8 phy_calib_chain_noise_gain_cmd
;
1404 /* counts reply_tx error */
1405 struct reply_tx_error_statistics reply_tx_stats
;
1406 struct reply_agg_tx_error_statistics reply_agg_tx_stats
;
1407 /* notification wait support */
1408 struct list_head notif_waits
;
1409 spinlock_t notif_wait_lock
;
1410 wait_queue_head_t notif_waitq
;
1412 /* remain-on-channel offload support */
1413 struct ieee80211_channel
*hw_roc_channel
;
1414 struct delayed_work hw_roc_work
;
1415 enum nl80211_channel_type hw_roc_chantype
;
1416 int hw_roc_duration
;
1419 struct sk_buff
*offchan_tx_skb
;
1420 int offchan_tx_timeout
;
1421 struct ieee80211_channel
*offchan_tx_chan
;
1427 u8 bt_traffic_load
, last_bt_traffic_load
;
1428 bool bt_ch_announce
;
1429 bool bt_full_concurrent
;
1430 bool bt_ant_couple_ok
;
1431 __le32 kill_ack_mask
;
1432 __le32 kill_cts_mask
;
1436 u16 dynamic_frag_thresh
;
1437 u8 bt_ci_compliance
;
1438 struct work_struct bt_traffic_change_work
;
1440 struct iwl_hw_params hw_params
;
1444 struct workqueue_struct
*workqueue
;
1446 struct work_struct restart
;
1447 struct work_struct scan_completed
;
1448 struct work_struct rx_replenish
;
1449 struct work_struct abort_scan
;
1451 struct work_struct beacon_update
;
1452 struct iwl_rxon_context
*beacon_ctx
;
1453 struct sk_buff
*beacon_skb
;
1455 struct work_struct tt_work
;
1456 struct work_struct ct_enter
;
1457 struct work_struct ct_exit
;
1458 struct work_struct start_internal_scan
;
1459 struct work_struct tx_flush
;
1460 struct work_struct bt_full_concurrency
;
1461 struct work_struct bt_runtime_config
;
1463 struct tasklet_struct irq_tasklet
;
1465 struct delayed_work scan_check
;
1468 s8 tx_power_user_lmt
;
1469 s8 tx_power_device_lmt
;
1470 s8 tx_power_lmt_in_half_dbm
; /* max tx power in half-dBm format */
1474 #ifdef CONFIG_IWLWIFI_DEBUG
1475 /* debugging info */
1476 u32 debug_level
; /* per device debugging will override global
1477 iwl_debug_level if set */
1478 #endif /* CONFIG_IWLWIFI_DEBUG */
1479 #ifdef CONFIG_IWLWIFI_DEBUGFS
1485 struct dentry
*debugfs_dir
;
1486 u32 dbgfs_sram_offset
, dbgfs_sram_len
;
1488 #endif /* CONFIG_IWLWIFI_DEBUGFS */
1490 struct work_struct txpower_work
;
1491 u32 disable_sens_cal
;
1492 u32 disable_chain_noise_cal
;
1493 struct work_struct run_time_calib_work
;
1494 struct timer_list statistics_periodic
;
1495 struct timer_list ucode_trace
;
1496 struct timer_list watchdog
;
1498 struct iwl_event_log event_log
;
1500 struct led_classdev led
;
1501 unsigned long blink_on
, blink_off
;
1502 bool led_registered
;
1505 static inline void iwl_txq_ctx_activate(struct iwl_priv
*priv
, int txq_id
)
1507 set_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1510 static inline void iwl_txq_ctx_deactivate(struct iwl_priv
*priv
, int txq_id
)
1512 clear_bit(txq_id
, &priv
->txq_ctx_active_msk
);
1515 #ifdef CONFIG_IWLWIFI_DEBUG
1517 * iwl_get_debug_level: Return active debug level for device
1519 * Using sysfs it is possible to set per device debug level. This debug
1520 * level will be used if set, otherwise the global debug level which can be
1521 * set via module parameter is used.
1523 static inline u32
iwl_get_debug_level(struct iwl_priv
*priv
)
1525 if (priv
->debug_level
)
1526 return priv
->debug_level
;
1528 return iwl_debug_level
;
1531 static inline u32
iwl_get_debug_level(struct iwl_priv
*priv
)
1533 return iwl_debug_level
;
1538 static inline struct ieee80211_hdr
*iwl_tx_queue_get_hdr(struct iwl_priv
*priv
,
1539 int txq_id
, int idx
)
1541 if (priv
->txq
[txq_id
].txb
[idx
].skb
)
1542 return (struct ieee80211_hdr
*)priv
->txq
[txq_id
].
1547 static inline struct iwl_rxon_context
*
1548 iwl_rxon_ctx_from_vif(struct ieee80211_vif
*vif
)
1550 struct iwl_vif_priv
*vif_priv
= (void *)vif
->drv_priv
;
1552 return vif_priv
->ctx
;
1555 #define for_each_context(priv, ctx) \
1556 for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
1557 ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
1558 if (priv->valid_contexts & BIT(ctx->ctxid))
1560 static inline int iwl_is_associated_ctx(struct iwl_rxon_context
*ctx
)
1562 return (ctx
->active
.filter_flags
& RXON_FILTER_ASSOC_MSK
) ? 1 : 0;
1565 static inline int iwl_is_associated(struct iwl_priv
*priv
,
1566 enum iwl_rxon_context_id ctxid
)
1568 return iwl_is_associated_ctx(&priv
->contexts
[ctxid
]);
1571 static inline int iwl_is_any_associated(struct iwl_priv
*priv
)
1573 struct iwl_rxon_context
*ctx
;
1574 for_each_context(priv
, ctx
)
1575 if (iwl_is_associated_ctx(ctx
))
1580 static inline int is_channel_valid(const struct iwl_channel_info
*ch_info
)
1582 if (ch_info
== NULL
)
1584 return (ch_info
->flags
& EEPROM_CHANNEL_VALID
) ? 1 : 0;
1587 static inline int is_channel_radar(const struct iwl_channel_info
*ch_info
)
1589 return (ch_info
->flags
& EEPROM_CHANNEL_RADAR
) ? 1 : 0;
1592 static inline u8
is_channel_a_band(const struct iwl_channel_info
*ch_info
)
1594 return ch_info
->band
== IEEE80211_BAND_5GHZ
;
1597 static inline u8
is_channel_bg_band(const struct iwl_channel_info
*ch_info
)
1599 return ch_info
->band
== IEEE80211_BAND_2GHZ
;
1602 static inline int is_channel_passive(const struct iwl_channel_info
*ch
)
1604 return (!(ch
->flags
& EEPROM_CHANNEL_ACTIVE
)) ? 1 : 0;
1607 static inline int is_channel_ibss(const struct iwl_channel_info
*ch
)
1609 return ((ch
->flags
& EEPROM_CHANNEL_IBSS
)) ? 1 : 0;
1612 static inline void __iwl_free_pages(struct iwl_priv
*priv
, struct page
*page
)
1614 __free_pages(page
, priv
->hw_params
.rx_page_order
);
1617 static inline void iwl_free_pages(struct iwl_priv
*priv
, unsigned long page
)
1619 free_pages(page
, priv
->hw_params
.rx_page_order
);
1621 #endif /* __iwl_dev_h__ */