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linux/drivers/net/wireless/iwlwifi/iwl-dev.h
Emmanuel Grumbach 83ed90155f iwlagn: all function iwl-io.c receive iwl_bus 
Which means that iwl-io.c doesn't need to include iwl-dev.h any more.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2011-08-29 15:30:29 -04:00

1496 lines
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/******************************************************************************
*
* Copyright(c) 2003 - 2011 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
*****************************************************************************/
/*
* Please use this file (iwl-dev.h) for driver implementation definitions.
* Please use iwl-commands.h for uCode API definitions.
*/
#ifndef __iwl_dev_h__
#define __iwl_dev_h__
#include <linux/interrupt.h>
#include <linux/pci.h> /* for struct pci_device_id */
#include <linux/kernel.h>
#include <linux/wait.h>
#include <linux/leds.h>
#include <net/ieee80211_radiotap.h>
#include "iwl-eeprom.h"
#include "iwl-csr.h"
#include "iwl-prph.h"
#include "iwl-debug.h"
#include "iwl-agn-hw.h"
#include "iwl-led.h"
#include "iwl-power.h"
#include "iwl-agn-rs.h"
#include "iwl-agn-tt.h"
#include "iwl-bus.h"
#include "iwl-trans.h"
#include "iwl-shared.h"
#define DRV_NAME "iwlagn"
struct iwl_tx_queue;
/* CT-KILL constants */
#define CT_KILL_THRESHOLD_LEGACY 110 /* in Celsius */
#define CT_KILL_THRESHOLD 114 /* in Celsius */
#define CT_KILL_EXIT_THRESHOLD 95 /* in Celsius */
/* Default noise level to report when noise measurement is not available.
* This may be because we're:
* 1) Not associated (4965, no beacon statistics being sent to driver)
* 2) Scanning (noise measurement does not apply to associated channel)
* 3) Receiving CCK (3945 delivers noise info only for OFDM frames)
* Use default noise value of -127 ... this is below the range of measurable
* Rx dBm for either 3945 or 4965, so it can indicate "unmeasurable" to user.
* Also, -127 works better than 0 when averaging frames with/without
* noise info (e.g. averaging might be done in app); measured dBm values are
* always negative ... using a negative value as the default keeps all
* averages within an s8's (used in some apps) range of negative values. */
#define IWL_NOISE_MEAS_NOT_AVAILABLE (-127)
/*
* RTS threshold here is total size [2347] minus 4 FCS bytes
* Per spec:
* a value of 0 means RTS on all data/management packets
* a value > max MSDU size means no RTS
* else RTS for data/management frames where MPDU is larger
* than RTS value.
*/
#define DEFAULT_RTS_THRESHOLD 2347U
#define MIN_RTS_THRESHOLD 0U
#define MAX_RTS_THRESHOLD 2347U
#define MAX_MSDU_SIZE 2304U
#define MAX_MPDU_SIZE 2346U
#define DEFAULT_BEACON_INTERVAL 200U
#define DEFAULT_SHORT_RETRY_LIMIT 7U
#define DEFAULT_LONG_RETRY_LIMIT 4U
/* defined below */
struct iwl_device_cmd;
struct iwl_cmd_meta {
/* only for SYNC commands, iff the reply skb is wanted */
struct iwl_host_cmd *source;
/*
* only for ASYNC commands
* (which is somewhat stupid -- look at iwl-sta.c for instance
* which duplicates a bunch of code because the callback isn't
* invoked for SYNC commands, if it were and its result passed
* through it would be simpler...)
*/
void (*callback)(struct iwl_priv *priv,
struct iwl_device_cmd *cmd,
struct iwl_rx_packet *pkt);
u32 flags;
DEFINE_DMA_UNMAP_ADDR(mapping);
DEFINE_DMA_UNMAP_LEN(len);
};
/*
* Generic queue structure
*
* Contains common data for Rx and Tx queues.
*
* Note the difference between n_bd and n_window: the hardware
* always assumes 256 descriptors, so n_bd is always 256 (unless
* there might be HW changes in the future). For the normal TX
* queues, n_window, which is the size of the software queue data
* is also 256; however, for the command queue, n_window is only
* 32 since we don't need so many commands pending. Since the HW
* still uses 256 BDs for DMA though, n_bd stays 256. As a result,
* the software buffers (in the variables @meta, @txb in struct
* iwl_tx_queue) only have 32 entries, while the HW buffers (@tfds
* in the same struct) have 256.
* This means that we end up with the following:
* HW entries: | 0 | ... | N * 32 | ... | N * 32 + 31 | ... | 255 |
* SW entries: | 0 | ... | 31 |
* where N is a number between 0 and 7. This means that the SW
* data is a window overlayed over the HW queue.
*/
struct iwl_queue {
int n_bd; /* number of BDs in this queue */
int write_ptr; /* 1-st empty entry (index) host_w*/
int read_ptr; /* last used entry (index) host_r*/
/* use for monitoring and recovering the stuck queue */
dma_addr_t dma_addr; /* physical addr for BD's */
int n_window; /* safe queue window */
u32 id;
int low_mark; /* low watermark, resume queue if free
* space more than this */
int high_mark; /* high watermark, stop queue if free
* space less than this */
};
/* One for each TFD */
struct iwl_tx_info {
struct sk_buff *skb;
struct iwl_rxon_context *ctx;
};
/**
* struct iwl_tx_queue - Tx Queue for DMA
* @q: generic Rx/Tx queue descriptor
* @bd: base of circular buffer of TFDs
* @cmd: array of command/TX buffer pointers
* @meta: array of meta data for each command/tx buffer
* @dma_addr_cmd: physical address of cmd/tx buffer array
* @txb: array of per-TFD driver data
* @time_stamp: time (in jiffies) of last read_ptr change
* @need_update: indicates need to update read/write index
* @sched_retry: indicates queue is high-throughput aggregation (HT AGG) enabled
* @sta_id: valid if sched_retry is set
* @tid: valid if sched_retry is set
*
* A Tx queue consists of circular buffer of BDs (a.k.a. TFDs, transmit frame
* descriptors) and required locking structures.
*/
#define TFD_TX_CMD_SLOTS 256
#define TFD_CMD_SLOTS 32
struct iwl_tx_queue {
struct iwl_queue q;
struct iwl_tfd *tfds;
struct iwl_device_cmd **cmd;
struct iwl_cmd_meta *meta;
struct iwl_tx_info *txb;
unsigned long time_stamp;
u8 need_update;
u8 sched_retry;
u8 active;
u8 swq_id;
u16 sta_id;
u16 tid;
};
#define IWL_NUM_SCAN_RATES (2)
/*
* One for each channel, holds all channel setup data
* Some of the fields (e.g. eeprom and flags/max_power_avg) are redundant
* with one another!
*/
struct iwl_channel_info {
struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
struct iwl_eeprom_channel ht40_eeprom; /* EEPROM regulatory limit for
* HT40 channel */
u8 channel; /* channel number */
u8 flags; /* flags copied from EEPROM */
s8 max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
s8 curr_txpow; /* (dBm) regulatory/spectrum/user (not h/w) limit */
s8 min_power; /* always 0 */
s8 scan_power; /* (dBm) regul. eeprom, direct scans, any rate */
u8 group_index; /* 0-4, maps channel to group1/2/3/4/5 */
u8 band_index; /* 0-4, maps channel to band1/2/3/4/5 */
enum ieee80211_band band;
/* HT40 channel info */
s8 ht40_max_power_avg; /* (dBm) regul. eeprom, normal Tx, any rate */
u8 ht40_flags; /* flags copied from EEPROM */
u8 ht40_extension_channel; /* HT_IE_EXT_CHANNEL_* */
};
#define IWL_TX_FIFO_BK 0 /* shared */
#define IWL_TX_FIFO_BE 1
#define IWL_TX_FIFO_VI 2 /* shared */
#define IWL_TX_FIFO_VO 3
#define IWL_TX_FIFO_BK_IPAN IWL_TX_FIFO_BK
#define IWL_TX_FIFO_BE_IPAN 4
#define IWL_TX_FIFO_VI_IPAN IWL_TX_FIFO_VI
#define IWL_TX_FIFO_VO_IPAN 5
/* re-uses the VO FIFO, uCode will properly flush/schedule */
#define IWL_TX_FIFO_AUX 5
#define IWL_TX_FIFO_UNUSED -1
/* AUX (TX during scan dwell) queue */
#define IWL_AUX_QUEUE 10
/*
* Minimum number of queues. MAX_NUM is defined in hw specific files.
* Set the minimum to accommodate
* - 4 standard TX queues
* - the command queue
* - 4 PAN TX queues
* - the PAN multicast queue, and
* - the AUX (TX during scan dwell) queue.
*/
#define IWL_MIN_NUM_QUEUES 11
/*
* Command queue depends on iPAN support.
*/
#define IWL_DEFAULT_CMD_QUEUE_NUM 4
#define IWL_IPAN_CMD_QUEUE_NUM 9
/*
* This queue number is required for proper operation
* because the ucode will stop/start the scheduler as
* required.
*/
#define IWL_IPAN_MCAST_QUEUE 8
#define IEEE80211_DATA_LEN 2304
#define IEEE80211_4ADDR_LEN 30
#define IEEE80211_HLEN (IEEE80211_4ADDR_LEN)
#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
#define SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
#define SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
#define MAX_SN ((IEEE80211_SCTL_SEQ) >> 4)
enum {
CMD_SYNC = 0,
CMD_ASYNC = BIT(0),
CMD_WANT_SKB = BIT(1),
CMD_ON_DEMAND = BIT(2),
};
#define DEF_CMD_PAYLOAD_SIZE 320
/**
* struct iwl_device_cmd
*
* For allocation of the command and tx queues, this establishes the overall
* size of the largest command we send to uCode, except for commands that
* aren't fully copied and use other TFD space.
*/
struct iwl_device_cmd {
struct iwl_cmd_header hdr; /* uCode API */
union {
u32 flags;
u8 val8;
u16 val16;
u32 val32;
struct iwl_tx_cmd tx;
struct iwl6000_channel_switch_cmd chswitch;
u8 payload[DEF_CMD_PAYLOAD_SIZE];
} __packed cmd;
} __packed;
#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_device_cmd))
#define IWL_MAX_CMD_TFDS 2
enum iwl_hcmd_dataflag {
IWL_HCMD_DFL_NOCOPY = BIT(0),
};
/**
* struct iwl_host_cmd - Host command to the uCode
* @data: array of chunks that composes the data of the host command
* @reply_page: pointer to the page that holds the response to the host command
* @callback:
* @flags: can be CMD_* note CMD_WANT_SKB is incompatible withe CMD_ASYNC
* @len: array of the lenths of the chunks in data
* @dataflags:
* @id: id of the host command
*/
struct iwl_host_cmd {
const void *data[IWL_MAX_CMD_TFDS];
unsigned long reply_page;
void (*callback)(struct iwl_priv *priv,
struct iwl_device_cmd *cmd,
struct iwl_rx_packet *pkt);
u32 flags;
u16 len[IWL_MAX_CMD_TFDS];
u8 dataflags[IWL_MAX_CMD_TFDS];
u8 id;
};
#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
#define IWL_SUPPORTED_RATES_IE_LEN 8
#define MAX_TID_COUNT 9
#define IWL_INVALID_RATE 0xFF
#define IWL_INVALID_VALUE -1
/**
* struct iwl_ht_agg -- aggregation status while waiting for block-ack
* @txq_id: Tx queue used for Tx attempt
* @frame_count: # frames attempted by Tx command
* @wait_for_ba: Expect block-ack before next Tx reply
* @start_idx: Index of 1st Transmit Frame Descriptor (TFD) in Tx window
* @bitmap0: Low order bitmap, one bit for each frame pending ACK in Tx window
* @bitmap1: High order, one bit for each frame pending ACK in Tx window
* @rate_n_flags: Rate at which Tx was attempted
*
* If REPLY_TX indicates that aggregation was attempted, driver must wait
* for block ack (REPLY_COMPRESSED_BA). This struct stores tx reply info
* until block ack arrives.
*/
struct iwl_ht_agg {
u16 txq_id;
u16 frame_count;
u16 wait_for_ba;
u16 start_idx;
u64 bitmap;
u32 rate_n_flags;
#define IWL_AGG_OFF 0
#define IWL_AGG_ON 1
#define IWL_EMPTYING_HW_QUEUE_ADDBA 2
#define IWL_EMPTYING_HW_QUEUE_DELBA 3
u8 state;
u8 tx_fifo;
};
struct iwl_tid_data {
u16 seq_number; /* agn only */
u16 tfds_in_queue;
struct iwl_ht_agg agg;
};
union iwl_ht_rate_supp {
u16 rates;
struct {
u8 siso_rate;
u8 mimo_rate;
};
};
#define CFG_HT_RX_AMPDU_FACTOR_8K (0x0)
#define CFG_HT_RX_AMPDU_FACTOR_16K (0x1)
#define CFG_HT_RX_AMPDU_FACTOR_32K (0x2)
#define CFG_HT_RX_AMPDU_FACTOR_64K (0x3)
#define CFG_HT_RX_AMPDU_FACTOR_DEF CFG_HT_RX_AMPDU_FACTOR_64K
#define CFG_HT_RX_AMPDU_FACTOR_MAX CFG_HT_RX_AMPDU_FACTOR_64K
#define CFG_HT_RX_AMPDU_FACTOR_MIN CFG_HT_RX_AMPDU_FACTOR_8K
/*
* Maximal MPDU density for TX aggregation
* 4 - 2us density
* 5 - 4us density
* 6 - 8us density
* 7 - 16us density
*/
#define CFG_HT_MPDU_DENSITY_2USEC (0x4)
#define CFG_HT_MPDU_DENSITY_4USEC (0x5)
#define CFG_HT_MPDU_DENSITY_8USEC (0x6)
#define CFG_HT_MPDU_DENSITY_16USEC (0x7)
#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_4USEC
#define CFG_HT_MPDU_DENSITY_MAX CFG_HT_MPDU_DENSITY_16USEC
#define CFG_HT_MPDU_DENSITY_MIN (0x1)
struct iwl_ht_config {
bool single_chain_sufficient;
enum ieee80211_smps_mode smps; /* current smps mode */
};
/* QoS structures */
struct iwl_qos_info {
int qos_active;
struct iwl_qosparam_cmd def_qos_parm;
};
/*
* Structure should be accessed with sta_lock held. When station addition
* is in progress (IWL_STA_UCODE_INPROGRESS) it is possible to access only
* the commands (iwl_addsta_cmd and iwl_link_quality_cmd) without sta_lock
* held.
*/
struct iwl_station_entry {
struct iwl_addsta_cmd sta;
struct iwl_tid_data tid[MAX_TID_COUNT];
u8 used, ctxid;
struct iwl_link_quality_cmd *lq;
};
struct iwl_station_priv_common {
struct iwl_rxon_context *ctx;
u8 sta_id;
};
/*
* iwl_station_priv: Driver's private station information
*
* When mac80211 creates a station it reserves some space (hw->sta_data_size)
* in the structure for use by driver. This structure is places in that
* space.
*/
struct iwl_station_priv {
struct iwl_station_priv_common common;
struct iwl_lq_sta lq_sta;
atomic_t pending_frames;
bool client;
bool asleep;
u8 max_agg_bufsize;
};
/**
* struct iwl_vif_priv - driver's private per-interface information
*
* When mac80211 allocates a virtual interface, it can allocate
* space for us to put data into.
*/
struct iwl_vif_priv {
struct iwl_rxon_context *ctx;
u8 ibss_bssid_sta_id;
};
/* one for each uCode image (inst/data, boot/init/runtime) */
struct fw_desc {
void *v_addr; /* access by driver */
dma_addr_t p_addr; /* access by card's busmaster DMA */
u32 len; /* bytes */
};
struct fw_img {
struct fw_desc code, data;
};
/* v1/v2 uCode file layout */
struct iwl_ucode_header {
__le32 ver; /* major/minor/API/serial */
union {
struct {
__le32 inst_size; /* bytes of runtime code */
__le32 data_size; /* bytes of runtime data */
__le32 init_size; /* bytes of init code */
__le32 init_data_size; /* bytes of init data */
__le32 boot_size; /* bytes of bootstrap code */
u8 data[0]; /* in same order as sizes */
} v1;
struct {
__le32 build; /* build number */
__le32 inst_size; /* bytes of runtime code */
__le32 data_size; /* bytes of runtime data */
__le32 init_size; /* bytes of init code */
__le32 init_data_size; /* bytes of init data */
__le32 boot_size; /* bytes of bootstrap code */
u8 data[0]; /* in same order as sizes */
} v2;
} u;
};
/*
* new TLV uCode file layout
*
* The new TLV file format contains TLVs, that each specify
* some piece of data. To facilitate "groups", for example
* different instruction image with different capabilities,
* bundled with the same init image, an alternative mechanism
* is provided:
* When the alternative field is 0, that means that the item
* is always valid. When it is non-zero, then it is only
* valid in conjunction with items of the same alternative,
* in which case the driver (user) selects one alternative
* to use.
*/
enum iwl_ucode_tlv_type {
IWL_UCODE_TLV_INVALID = 0, /* unused */
IWL_UCODE_TLV_INST = 1,
IWL_UCODE_TLV_DATA = 2,
IWL_UCODE_TLV_INIT = 3,
IWL_UCODE_TLV_INIT_DATA = 4,
IWL_UCODE_TLV_BOOT = 5,
IWL_UCODE_TLV_PROBE_MAX_LEN = 6, /* a u32 value */
IWL_UCODE_TLV_PAN = 7,
IWL_UCODE_TLV_RUNT_EVTLOG_PTR = 8,
IWL_UCODE_TLV_RUNT_EVTLOG_SIZE = 9,
IWL_UCODE_TLV_RUNT_ERRLOG_PTR = 10,
IWL_UCODE_TLV_INIT_EVTLOG_PTR = 11,
IWL_UCODE_TLV_INIT_EVTLOG_SIZE = 12,
IWL_UCODE_TLV_INIT_ERRLOG_PTR = 13,
IWL_UCODE_TLV_ENHANCE_SENS_TBL = 14,
IWL_UCODE_TLV_PHY_CALIBRATION_SIZE = 15,
IWL_UCODE_TLV_WOWLAN_INST = 16,
IWL_UCODE_TLV_WOWLAN_DATA = 17,
IWL_UCODE_TLV_FLAGS = 18,
};
/**
* enum iwl_ucode_tlv_flag - ucode API flags
* @IWL_UCODE_TLV_FLAGS_PAN: This is PAN capable microcode; this previously
* was a separate TLV but moved here to save space.
* @IWL_UCODE_TLV_FLAGS_NEWSCAN: new uCode scan behaviour on hidden SSID,
* treats good CRC threshold as a boolean
* @IWL_UCODE_TLV_FLAGS_MFP: This uCode image supports MFP (802.11w).
* @IWL_UCODE_TLV_FLAGS_P2P: This uCode image supports P2P.
*/
enum iwl_ucode_tlv_flag {
IWL_UCODE_TLV_FLAGS_PAN = BIT(0),
IWL_UCODE_TLV_FLAGS_NEWSCAN = BIT(1),
IWL_UCODE_TLV_FLAGS_MFP = BIT(2),
IWL_UCODE_TLV_FLAGS_P2P = BIT(3),
};
struct iwl_ucode_tlv {
__le16 type; /* see above */
__le16 alternative; /* see comment */
__le32 length; /* not including type/length fields */
u8 data[0];
} __packed;
#define IWL_TLV_UCODE_MAGIC 0x0a4c5749
struct iwl_tlv_ucode_header {
/*
* The TLV style ucode header is distinguished from
* the v1/v2 style header by first four bytes being
* zero, as such is an invalid combination of
* major/minor/API/serial versions.
*/
__le32 zero;
__le32 magic;
u8 human_readable[64];
__le32 ver; /* major/minor/API/serial */
__le32 build;
__le64 alternatives; /* bitmask of valid alternatives */
/*
* The data contained herein has a TLV layout,
* see above for the TLV header and types.
* Note that each TLV is padded to a length
* that is a multiple of 4 for alignment.
*/
u8 data[0];
};
struct iwl_sensitivity_ranges {
u16 min_nrg_cck;
u16 max_nrg_cck;
u16 nrg_th_cck;
u16 nrg_th_ofdm;
u16 auto_corr_min_ofdm;
u16 auto_corr_min_ofdm_mrc;
u16 auto_corr_min_ofdm_x1;
u16 auto_corr_min_ofdm_mrc_x1;
u16 auto_corr_max_ofdm;
u16 auto_corr_max_ofdm_mrc;
u16 auto_corr_max_ofdm_x1;
u16 auto_corr_max_ofdm_mrc_x1;
u16 auto_corr_max_cck;
u16 auto_corr_max_cck_mrc;
u16 auto_corr_min_cck;
u16 auto_corr_min_cck_mrc;
u16 barker_corr_th_min;
u16 barker_corr_th_min_mrc;
u16 nrg_th_cca;
};
#define KELVIN_TO_CELSIUS(x) ((x)-273)
#define CELSIUS_TO_KELVIN(x) ((x)+273)
/******************************************************************************
*
* Functions implemented in core module which are forward declared here
* for use by iwl-[4-5].c
*
* NOTE: The implementation of these functions are not hardware specific
* which is why they are in the core module files.
*
* Naming convention --
* iwl_ <-- Is part of iwlwifi
* iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
*
****************************************************************************/
extern void iwl_update_chain_flags(struct iwl_priv *priv);
extern const u8 iwl_bcast_addr[ETH_ALEN];
extern int iwl_queue_space(const struct iwl_queue *q);
static inline int iwl_queue_used(const struct iwl_queue *q, int i)
{
return q->write_ptr >= q->read_ptr ?
(i >= q->read_ptr && i < q->write_ptr) :
!(i < q->read_ptr && i >= q->write_ptr);
}
static inline u8 get_cmd_index(struct iwl_queue *q, u32 index)
{
return index & (q->n_window - 1);
}
#define IWL_OPERATION_MODE_AUTO 0
#define IWL_OPERATION_MODE_HT_ONLY 1
#define IWL_OPERATION_MODE_MIXED 2
#define IWL_OPERATION_MODE_20MHZ 3
#define IWL_TX_CRC_SIZE 4
#define IWL_TX_DELIMITER_SIZE 4
#define TX_POWER_IWL_ILLEGAL_VOLTAGE -10000
/* Sensitivity and chain noise calibration */
#define INITIALIZATION_VALUE 0xFFFF
#define IWL_CAL_NUM_BEACONS 16
#define MAXIMUM_ALLOWED_PATHLOSS 15
#define CHAIN_NOISE_MAX_DELTA_GAIN_CODE 3
#define MAX_FA_OFDM 50
#define MIN_FA_OFDM 5
#define MAX_FA_CCK 50
#define MIN_FA_CCK 5
#define AUTO_CORR_STEP_OFDM 1
#define AUTO_CORR_STEP_CCK 3
#define AUTO_CORR_MAX_TH_CCK 160
#define NRG_DIFF 2
#define NRG_STEP_CCK 2
#define NRG_MARGIN 8
#define MAX_NUMBER_CCK_NO_FA 100
#define AUTO_CORR_CCK_MIN_VAL_DEF (125)
#define CHAIN_A 0
#define CHAIN_B 1
#define CHAIN_C 2
#define CHAIN_NOISE_DELTA_GAIN_INIT_VAL 4
#define ALL_BAND_FILTER 0xFF00
#define IN_BAND_FILTER 0xFF
#define MIN_AVERAGE_NOISE_MAX_VALUE 0xFFFFFFFF
#define NRG_NUM_PREV_STAT_L 20
#define NUM_RX_CHAINS 3
enum iwlagn_false_alarm_state {
IWL_FA_TOO_MANY = 0,
IWL_FA_TOO_FEW = 1,
IWL_FA_GOOD_RANGE = 2,
};
enum iwlagn_chain_noise_state {
IWL_CHAIN_NOISE_ALIVE = 0, /* must be 0 */
IWL_CHAIN_NOISE_ACCUMULATE,
IWL_CHAIN_NOISE_CALIBRATED,
IWL_CHAIN_NOISE_DONE,
};
/*
* enum iwl_calib
* defines the order in which results of initial calibrations
* should be sent to the runtime uCode
*/
enum iwl_calib {
IWL_CALIB_XTAL,
IWL_CALIB_DC,
IWL_CALIB_LO,
IWL_CALIB_TX_IQ,
IWL_CALIB_TX_IQ_PERD,
IWL_CALIB_BASE_BAND,
IWL_CALIB_TEMP_OFFSET,
IWL_CALIB_MAX
};
/* Opaque calibration results */
struct iwl_calib_result {
void *buf;
size_t buf_len;
};
/* Sensitivity calib data */
struct iwl_sensitivity_data {
u32 auto_corr_ofdm;
u32 auto_corr_ofdm_mrc;
u32 auto_corr_ofdm_x1;
u32 auto_corr_ofdm_mrc_x1;
u32 auto_corr_cck;
u32 auto_corr_cck_mrc;
u32 last_bad_plcp_cnt_ofdm;
u32 last_fa_cnt_ofdm;
u32 last_bad_plcp_cnt_cck;
u32 last_fa_cnt_cck;
u32 nrg_curr_state;
u32 nrg_prev_state;
u32 nrg_value[10];
u8 nrg_silence_rssi[NRG_NUM_PREV_STAT_L];
u32 nrg_silence_ref;
u32 nrg_energy_idx;
u32 nrg_silence_idx;
u32 nrg_th_cck;
s32 nrg_auto_corr_silence_diff;
u32 num_in_cck_no_fa;
u32 nrg_th_ofdm;
u16 barker_corr_th_min;
u16 barker_corr_th_min_mrc;
u16 nrg_th_cca;
};
/* Chain noise (differential Rx gain) calib data */
struct iwl_chain_noise_data {
u32 active_chains;
u32 chain_noise_a;
u32 chain_noise_b;
u32 chain_noise_c;
u32 chain_signal_a;
u32 chain_signal_b;
u32 chain_signal_c;
u16 beacon_count;
u8 disconn_array[NUM_RX_CHAINS];
u8 delta_gain_code[NUM_RX_CHAINS];
u8 radio_write;
u8 state;
};
#define EEPROM_SEM_TIMEOUT 10 /* milliseconds */
#define EEPROM_SEM_RETRY_LIMIT 1000 /* number of attempts (not time) */
#define IWL_TRAFFIC_ENTRIES (256)
#define IWL_TRAFFIC_ENTRY_SIZE (64)
enum {
MEASUREMENT_READY = (1 << 0),
MEASUREMENT_ACTIVE = (1 << 1),
};
enum iwl_nvm_type {
NVM_DEVICE_TYPE_EEPROM = 0,
NVM_DEVICE_TYPE_OTP,
};
/*
* Two types of OTP memory access modes
* IWL_OTP_ACCESS_ABSOLUTE - absolute address mode,
* based on physical memory addressing
* IWL_OTP_ACCESS_RELATIVE - relative address mode,
* based on logical memory addressing
*/
enum iwl_access_mode {
IWL_OTP_ACCESS_ABSOLUTE,
IWL_OTP_ACCESS_RELATIVE,
};
/**
* enum iwl_pa_type - Power Amplifier type
* @IWL_PA_SYSTEM: based on uCode configuration
* @IWL_PA_INTERNAL: use Internal only
*/
enum iwl_pa_type {
IWL_PA_SYSTEM = 0,
IWL_PA_INTERNAL = 1,
};
/* reply_tx_statistics (for _agn devices) */
struct reply_tx_error_statistics {
u32 pp_delay;
u32 pp_few_bytes;
u32 pp_bt_prio;
u32 pp_quiet_period;
u32 pp_calc_ttak;
u32 int_crossed_retry;
u32 short_limit;
u32 long_limit;
u32 fifo_underrun;
u32 drain_flow;
u32 rfkill_flush;
u32 life_expire;
u32 dest_ps;
u32 host_abort;
u32 bt_retry;
u32 sta_invalid;
u32 frag_drop;
u32 tid_disable;
u32 fifo_flush;
u32 insuff_cf_poll;
u32 fail_hw_drop;
u32 sta_color_mismatch;
u32 unknown;
};
/* reply_agg_tx_statistics (for _agn devices) */
struct reply_agg_tx_error_statistics {
u32 underrun;
u32 bt_prio;
u32 few_bytes;
u32 abort;
u32 last_sent_ttl;
u32 last_sent_try;
u32 last_sent_bt_kill;
u32 scd_query;
u32 bad_crc32;
u32 response;
u32 dump_tx;
u32 delay_tx;
u32 unknown;
};
/* management statistics */
enum iwl_mgmt_stats {
MANAGEMENT_ASSOC_REQ = 0,
MANAGEMENT_ASSOC_RESP,
MANAGEMENT_REASSOC_REQ,
MANAGEMENT_REASSOC_RESP,
MANAGEMENT_PROBE_REQ,
MANAGEMENT_PROBE_RESP,
MANAGEMENT_BEACON,
MANAGEMENT_ATIM,
MANAGEMENT_DISASSOC,
MANAGEMENT_AUTH,
MANAGEMENT_DEAUTH,
MANAGEMENT_ACTION,
MANAGEMENT_MAX,
};
/* control statistics */
enum iwl_ctrl_stats {
CONTROL_BACK_REQ = 0,
CONTROL_BACK,
CONTROL_PSPOLL,
CONTROL_RTS,
CONTROL_CTS,
CONTROL_ACK,
CONTROL_CFEND,
CONTROL_CFENDACK,
CONTROL_MAX,
};
struct traffic_stats {
#ifdef CONFIG_IWLWIFI_DEBUGFS
u32 mgmt[MANAGEMENT_MAX];
u32 ctrl[CONTROL_MAX];
u32 data_cnt;
u64 data_bytes;
#endif
};
/*
* schedule the timer to wake up every UCODE_TRACE_PERIOD milliseconds
* to perform continuous uCode event logging operation if enabled
*/
#define UCODE_TRACE_PERIOD (100)
/*
* iwl_event_log: current uCode event log position
*
* @ucode_trace: enable/disable ucode continuous trace timer
* @num_wraps: how many times the event buffer wraps
* @next_entry: the entry just before the next one that uCode would fill
* @non_wraps_count: counter for no wrap detected when dump ucode events
* @wraps_once_count: counter for wrap once detected when dump ucode events
* @wraps_more_count: counter for wrap more than once detected
* when dump ucode events
*/
struct iwl_event_log {
bool ucode_trace;
u32 num_wraps;
u32 next_entry;
int non_wraps_count;
int wraps_once_count;
int wraps_more_count;
};
/*
* host interrupt timeout value
* used with setting interrupt coalescing timer
* the CSR_INT_COALESCING is an 8 bit register in 32-usec unit
*
* default interrupt coalescing timer is 64 x 32 = 2048 usecs
* default interrupt coalescing calibration timer is 16 x 32 = 512 usecs
*/
#define IWL_HOST_INT_TIMEOUT_MAX (0xFF)
#define IWL_HOST_INT_TIMEOUT_DEF (0x40)
#define IWL_HOST_INT_TIMEOUT_MIN (0x0)
#define IWL_HOST_INT_CALIB_TIMEOUT_MAX (0xFF)
#define IWL_HOST_INT_CALIB_TIMEOUT_DEF (0x10)
#define IWL_HOST_INT_CALIB_TIMEOUT_MIN (0x0)
/*
* This is the threshold value of plcp error rate per 100mSecs. It is
* used to set and check for the validity of plcp_delta.
*/
#define IWL_MAX_PLCP_ERR_THRESHOLD_MIN (1)
#define IWL_MAX_PLCP_ERR_THRESHOLD_DEF (50)
#define IWL_MAX_PLCP_ERR_LONG_THRESHOLD_DEF (100)
#define IWL_MAX_PLCP_ERR_EXT_LONG_THRESHOLD_DEF (200)
#define IWL_MAX_PLCP_ERR_THRESHOLD_MAX (255)
#define IWL_MAX_PLCP_ERR_THRESHOLD_DISABLE (0)
#define IWL_DELAY_NEXT_FORCE_RF_RESET (HZ*3)
#define IWL_DELAY_NEXT_FORCE_FW_RELOAD (HZ*5)
/* TX queue watchdog timeouts in mSecs */
#define IWL_DEF_WD_TIMEOUT (2000)
#define IWL_LONG_WD_TIMEOUT (10000)
#define IWL_MAX_WD_TIMEOUT (120000)
/* BT Antenna Coupling Threshold (dB) */
#define IWL_BT_ANTENNA_COUPLING_THRESHOLD (35)
/* Firmware reload counter and Timestamp */
#define IWL_MIN_RELOAD_DURATION 1000 /* 1000 ms */
#define IWL_MAX_CONTINUE_RELOAD_CNT 4
enum iwl_reset {
IWL_RF_RESET = 0,
IWL_FW_RESET,
IWL_MAX_FORCE_RESET,
};
struct iwl_force_reset {
int reset_request_count;
int reset_success_count;
int reset_reject_count;
unsigned long reset_duration;
unsigned long last_force_reset_jiffies;
};
/* extend beacon time format bit shifting */
/*
* for _agn devices
* bits 31:22 - extended
* bits 21:0 - interval
*/
#define IWLAGN_EXT_BEACON_TIME_POS 22
/**
* struct iwl_notification_wait - notification wait entry
* @list: list head for global list
* @fn: function called with the notification
* @cmd: command ID
*
* This structure is not used directly, to wait for a
* notification declare it on the stack, and call
* iwlagn_init_notification_wait() with appropriate
* parameters. Then do whatever will cause the ucode
* to notify the driver, and to wait for that then
* call iwlagn_wait_notification().
*
* Each notification is one-shot. If at some point we
* need to support multi-shot notifications (which
* can't be allocated on the stack) we need to modify
* the code for them.
*/
struct iwl_notification_wait {
struct list_head list;
void (*fn)(struct iwl_priv *priv, struct iwl_rx_packet *pkt,
void *data);
void *fn_data;
u8 cmd;
bool triggered, aborted;
};
enum iwl_rxon_context_id {
IWL_RXON_CTX_BSS,
IWL_RXON_CTX_PAN,
NUM_IWL_RXON_CTX
};
struct iwl_rxon_context {
struct ieee80211_vif *vif;
const u8 *ac_to_fifo;
const u8 *ac_to_queue;
u8 mcast_queue;
/*
* We could use the vif to indicate active, but we
* also need it to be active during disabling when
* we already removed the vif for type setting.
*/
bool always_active, is_active;
bool ht_need_multiple_chains;
enum iwl_rxon_context_id ctxid;
u32 interface_modes, exclusive_interface_modes;
u8 unused_devtype, ap_devtype, ibss_devtype, station_devtype;
/*
* We declare this const so it can only be
* changed via explicit cast within the
* routines that actually update the physical
* hardware.
*/
const struct iwl_rxon_cmd active;
struct iwl_rxon_cmd staging;
struct iwl_rxon_time_cmd timing;
struct iwl_qos_info qos_data;
u8 bcast_sta_id, ap_sta_id;
u8 rxon_cmd, rxon_assoc_cmd, rxon_timing_cmd;
u8 qos_cmd;
u8 wep_key_cmd;
struct iwl_wep_key wep_keys[WEP_KEYS_MAX];
u8 key_mapping_keys;
__le32 station_flags;
int beacon_int;
struct {
bool non_gf_sta_present;
u8 protection;
bool enabled, is_40mhz;
u8 extension_chan_offset;
} ht;
bool last_tx_rejected;
};
enum iwl_scan_type {
IWL_SCAN_NORMAL,
IWL_SCAN_RADIO_RESET,
IWL_SCAN_ROC,
};
enum iwlagn_ucode_type {
IWL_UCODE_NONE,
IWL_UCODE_REGULAR,
IWL_UCODE_INIT,
IWL_UCODE_WOWLAN,
};
#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
struct iwl_testmode_trace {
u32 buff_size;
u32 total_size;
u32 num_chunks;
u8 *cpu_addr;
u8 *trace_addr;
dma_addr_t dma_addr;
bool trace_enabled;
};
#endif
/* uCode ownership */
#define IWL_OWNERSHIP_DRIVER 0
#define IWL_OWNERSHIP_TM 1
struct iwl_priv {
/*data shared among all the driver's layers */
struct iwl_shared _shrd;
struct iwl_shared *shrd;
/* ieee device used by generic ieee processing code */
struct ieee80211_hw *hw;
struct ieee80211_channel *ieee_channels;
struct ieee80211_rate *ieee_rates;
struct iwl_cfg *cfg;
enum ieee80211_band band;
void (*pre_rx_handler)(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
/* spectrum measurement report caching */
struct iwl_spectrum_notification measure_report;
u8 measurement_status;
/* ucode beacon time */
u32 ucode_beacon_time;
int missed_beacon_threshold;
/* track IBSS manager (last beacon) status */
u32 ibss_manager;
/* jiffies when last recovery from statistics was performed */
unsigned long rx_statistics_jiffies;
/*counters */
u32 rx_handlers_stats[REPLY_MAX];
/* force reset */
struct iwl_force_reset force_reset[IWL_MAX_FORCE_RESET];
/* firmware reload counter and timestamp */
unsigned long reload_jiffies;
int reload_count;
/* we allocate array of iwl_channel_info for NIC's valid channels.
* Access via channel # using indirect index array */
struct iwl_channel_info *channel_info; /* channel info array */
u8 channel_count; /* # of channels */
/* thermal calibration */
s32 temperature; /* degrees Kelvin */
s32 last_temperature;
/* init calibration results */
struct iwl_calib_result calib_results[IWL_CALIB_MAX];
/* Scan related variables */
unsigned long scan_start;
unsigned long scan_start_tsf;
void *scan_cmd;
enum ieee80211_band scan_band;
struct cfg80211_scan_request *scan_request;
struct ieee80211_vif *scan_vif;
enum iwl_scan_type scan_type;
u8 scan_tx_ant[IEEE80211_NUM_BANDS];
u8 mgmt_tx_ant;
/*TODO: remove these pointers - use bus(priv) instead */
struct iwl_bus *bus; /* bus specific data */
/* microcode/device supports multiple contexts */
u8 valid_contexts;
/* max number of station keys */
u8 sta_key_max_num;
bool new_scan_threshold_behaviour;
/* EEPROM MAC addresses */
struct mac_address addresses[2];
/* uCode images, save to reload in case of failure */
int fw_index; /* firmware we're trying to load */
u32 ucode_ver; /* version of ucode, copy of
iwl_ucode.ver */
/* uCode owner: default: IWL_OWNERSHIP_DRIVER */
u8 ucode_owner;
struct fw_img ucode_rt;
struct fw_img ucode_init;
struct fw_img ucode_wowlan;
enum iwlagn_ucode_type ucode_type;
u8 ucode_write_complete; /* the image write is complete */
char firmware_name[25];
struct iwl_rxon_context contexts[NUM_IWL_RXON_CTX];
__le16 switch_channel;
struct {
u32 error_event_table;
u32 log_event_table;
} device_pointers;
u16 active_rate;
u8 start_calib;
struct iwl_sensitivity_data sensitivity_data;
struct iwl_chain_noise_data chain_noise_data;
bool enhance_sensitivity_table;
__le16 sensitivity_tbl[HD_TABLE_SIZE];
__le16 enhance_sensitivity_tbl[ENHANCE_HD_TABLE_ENTRIES];
struct iwl_ht_config current_ht_config;
/* Rate scaling data */
u8 retry_rate;
wait_queue_head_t wait_command_queue;
int activity_timer_active;
/* Tx DMA processing queues */
struct iwl_tx_queue *txq;
unsigned long txq_ctx_active_msk;
/* counts mgmt, ctl, and data packets */
struct traffic_stats tx_stats;
struct traffic_stats rx_stats;
struct iwl_power_mgr power_data;
struct iwl_tt_mgmt thermal_throttle;
/* station table variables */
int num_stations;
struct iwl_station_entry stations[IWLAGN_STATION_COUNT];
unsigned long ucode_key_table;
/* queue refcounts */
#define IWL_MAX_HW_QUEUES 32
unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
/* for each AC */
atomic_t queue_stop_count[4];
/* Indication if ieee80211_ops->open has been called */
u8 is_open;
u8 mac80211_registered;
/* eeprom -- this is in the card's little endian byte order */
u8 *eeprom;
int nvm_device_type;
struct iwl_eeprom_calib_info *calib_info;
enum nl80211_iftype iw_mode;
/* Last Rx'd beacon timestamp */
u64 timestamp;
struct {
__le32 flag;
struct statistics_general_common common;
struct statistics_rx_non_phy rx_non_phy;
struct statistics_rx_phy rx_ofdm;
struct statistics_rx_ht_phy rx_ofdm_ht;
struct statistics_rx_phy rx_cck;
struct statistics_tx tx;
#ifdef CONFIG_IWLWIFI_DEBUGFS
struct statistics_bt_activity bt_activity;
__le32 num_bt_kills, accum_num_bt_kills;
#endif
} statistics;
#ifdef CONFIG_IWLWIFI_DEBUGFS
struct {
struct statistics_general_common common;
struct statistics_rx_non_phy rx_non_phy;
struct statistics_rx_phy rx_ofdm;
struct statistics_rx_ht_phy rx_ofdm_ht;
struct statistics_rx_phy rx_cck;
struct statistics_tx tx;
struct statistics_bt_activity bt_activity;
} accum_stats, delta_stats, max_delta_stats;
#endif
/*
* reporting the number of tids has AGG on. 0 means
* no AGGREGATION
*/
u8 agg_tids_count;
struct iwl_rx_phy_res last_phy_res;
bool last_phy_res_valid;
struct completion firmware_loading_complete;
u32 init_evtlog_ptr, init_evtlog_size, init_errlog_ptr;
u32 inst_evtlog_ptr, inst_evtlog_size, inst_errlog_ptr;
/*
* chain noise reset and gain commands are the
* two extra calibration commands follows the standard
* phy calibration commands
*/
u8 phy_calib_chain_noise_reset_cmd;
u8 phy_calib_chain_noise_gain_cmd;
/* counts reply_tx error */
struct reply_tx_error_statistics reply_tx_stats;
struct reply_agg_tx_error_statistics reply_agg_tx_stats;
/* notification wait support */
struct list_head notif_waits;
spinlock_t notif_wait_lock;
wait_queue_head_t notif_waitq;
/* remain-on-channel offload support */
struct ieee80211_channel *hw_roc_channel;
struct delayed_work hw_roc_disable_work;
enum nl80211_channel_type hw_roc_chantype;
int hw_roc_duration;
bool hw_roc_setup;
/* bt coex */
u8 bt_enable_flag;
u8 bt_status;
u8 bt_traffic_load, last_bt_traffic_load;
bool bt_ch_announce;
bool bt_full_concurrent;
bool bt_ant_couple_ok;
__le32 kill_ack_mask;
__le32 kill_cts_mask;
__le16 bt_valid;
u16 bt_on_thresh;
u16 bt_duration;
u16 dynamic_frag_thresh;
u8 bt_ci_compliance;
struct work_struct bt_traffic_change_work;
bool bt_enable_pspoll;
struct iwl_rxon_context *cur_rssi_ctx;
bool bt_is_sco;
struct work_struct restart;
struct work_struct scan_completed;
struct work_struct abort_scan;
struct work_struct beacon_update;
struct iwl_rxon_context *beacon_ctx;
struct sk_buff *beacon_skb;
void *beacon_cmd;
struct work_struct tt_work;
struct work_struct ct_enter;
struct work_struct ct_exit;
struct work_struct start_internal_scan;
struct work_struct tx_flush;
struct work_struct bt_full_concurrency;
struct work_struct bt_runtime_config;
struct delayed_work scan_check;
/* TX Power */
s8 tx_power_user_lmt;
s8 tx_power_device_lmt;
s8 tx_power_lmt_in_half_dbm; /* max tx power in half-dBm format */
s8 tx_power_next;
#ifdef CONFIG_IWLWIFI_DEBUGFS
/* debugfs */
u16 tx_traffic_idx;
u16 rx_traffic_idx;
u8 *tx_traffic;
u8 *rx_traffic;
struct dentry *debugfs_dir;
u32 dbgfs_sram_offset, dbgfs_sram_len;
bool disable_ht40;
void *wowlan_sram;
#endif /* CONFIG_IWLWIFI_DEBUGFS */
struct work_struct txpower_work;
u32 disable_sens_cal;
u32 disable_chain_noise_cal;
struct work_struct run_time_calib_work;
struct timer_list statistics_periodic;
struct timer_list ucode_trace;
struct timer_list watchdog;
struct iwl_event_log event_log;
struct led_classdev led;
unsigned long blink_on, blink_off;
bool led_registered;
#ifdef CONFIG_IWLWIFI_DEVICE_SVTOOL
struct iwl_testmode_trace testmode_trace;
u32 tm_fixed_rate;
#endif
/* WoWLAN GTK rekey data */
u8 kck[NL80211_KCK_LEN], kek[NL80211_KEK_LEN];
__le64 replay_ctr;
__le16 last_seq_ctl;
bool have_rekey_data;
}; /*iwl_priv */
static inline void iwl_txq_ctx_activate(struct iwl_priv *priv, int txq_id)
{
set_bit(txq_id, &priv->txq_ctx_active_msk);
}
static inline void iwl_txq_ctx_deactivate(struct iwl_priv *priv, int txq_id)
{
clear_bit(txq_id, &priv->txq_ctx_active_msk);
}
extern struct iwl_mod_params iwlagn_mod_params;
static inline struct ieee80211_hdr *iwl_tx_queue_get_hdr(struct iwl_priv *priv,
int txq_id, int idx)
{
if (priv->txq[txq_id].txb[idx].skb)
return (struct ieee80211_hdr *)priv->txq[txq_id].
txb[idx].skb->data;
return NULL;
}
static inline struct iwl_rxon_context *
iwl_rxon_ctx_from_vif(struct ieee80211_vif *vif)
{
struct iwl_vif_priv *vif_priv = (void *)vif->drv_priv;
return vif_priv->ctx;
}
#define for_each_context(priv, ctx) \
for (ctx = &priv->contexts[IWL_RXON_CTX_BSS]; \
ctx < &priv->contexts[NUM_IWL_RXON_CTX]; ctx++) \
if (priv->valid_contexts & BIT(ctx->ctxid))
static inline int iwl_is_associated_ctx(struct iwl_rxon_context *ctx)
{
return (ctx->active.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
}
static inline int iwl_is_associated(struct iwl_priv *priv,
enum iwl_rxon_context_id ctxid)
{
return iwl_is_associated_ctx(&priv->contexts[ctxid]);
}
static inline int iwl_is_any_associated(struct iwl_priv *priv)
{
struct iwl_rxon_context *ctx;
for_each_context(priv, ctx)
if (iwl_is_associated_ctx(ctx))
return true;
return false;
}
static inline int is_channel_valid(const struct iwl_channel_info *ch_info)
{
if (ch_info == NULL)
return 0;
return (ch_info->flags & EEPROM_CHANNEL_VALID) ? 1 : 0;
}
static inline int is_channel_radar(const struct iwl_channel_info *ch_info)
{
return (ch_info->flags & EEPROM_CHANNEL_RADAR) ? 1 : 0;
}
static inline u8 is_channel_a_band(const struct iwl_channel_info *ch_info)
{
return ch_info->band == IEEE80211_BAND_5GHZ;
}
static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
{
return ch_info->band == IEEE80211_BAND_2GHZ;
}
static inline int is_channel_passive(const struct iwl_channel_info *ch)
{
return (!(ch->flags & EEPROM_CHANNEL_ACTIVE)) ? 1 : 0;
}
static inline int is_channel_ibss(const struct iwl_channel_info *ch)
{
return ((ch->flags & EEPROM_CHANNEL_IBSS)) ? 1 : 0;
}
#endif /* __iwl_dev_h__ */
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