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android_kernel_xiaomi_sm8350/drivers/net/wireless/iwlwifi/iwl-3945.h
Christoph Hellwig c8b0e6e19c iwlwifi: cleanup Kconfig and ifdefs to split 3945 and 4965 
Currently the iwl3945 & iwl4965 drivers share some common Kconfig
symbols.  This split it up into options for the individual drivers
and gets rid of all the CONFIG_IWLWIFI cruft.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-01-28 15:03:25 -08:00

1001 lines
29 KiB
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/******************************************************************************
*
* Copyright(c) 2003 - 2007 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:
* James P. Ketrenos <ipw2100-admin@linux.intel.com>
* Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
*
*****************************************************************************/
#ifndef __iwl_3945_h__
#define __iwl_3945_h__
#include <linux/pci.h> /* for struct pci_device_id */
#include <linux/kernel.h>
#include <net/ieee80211_radiotap.h>
struct iwl_priv;
/* Hardware specific file defines the PCI IDs table for that hardware module */
extern struct pci_device_id iwl_hw_card_ids[];
#define DRV_NAME "iwl3945"
#include "iwl-3945-hw.h"
#include "iwl-prph.h"
#include "iwl-3945-debug.h"
/* 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)
/* Module parameters accessible from iwl-*.c */
extern int iwl_param_hwcrypto;
extern int iwl_param_queues_num;
enum iwl_antenna {
IWL_ANTENNA_DIVERSITY,
IWL_ANTENNA_MAIN,
IWL_ANTENNA_AUX
};
/*
* 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 100U
#define DEFAULT_SHORT_RETRY_LIMIT 7U
#define DEFAULT_LONG_RETRY_LIMIT 4U
struct iwl_rx_mem_buffer {
dma_addr_t dma_addr;
struct sk_buff *skb;
struct list_head list;
};
struct iwl_rt_rx_hdr {
struct ieee80211_radiotap_header rt_hdr;
__le64 rt_tsf; /* TSF */
u8 rt_flags; /* radiotap packet flags */
u8 rt_rate; /* rate in 500kb/s */
__le16 rt_channelMHz; /* channel in MHz */
__le16 rt_chbitmask; /* channel bitfield */
s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
s8 rt_dbmnoise;
u8 rt_antenna; /* antenna number */
u8 payload[0]; /* payload... */
} __attribute__ ((packed));
struct iwl_rt_tx_hdr {
struct ieee80211_radiotap_header rt_hdr;
u8 rt_rate; /* rate in 500kb/s */
__le16 rt_channel; /* channel in mHz */
__le16 rt_chbitmask; /* channel bitfield */
s8 rt_dbmsignal; /* signal in dBm, kluged to signed */
u8 rt_antenna; /* antenna number */
u8 payload[0]; /* payload... */
} __attribute__ ((packed));
/*
* Generic queue structure
*
* Contains common data for Rx and Tx queues
*/
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*/
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 */
} __attribute__ ((packed));
#define MAX_NUM_OF_TBS (20)
struct iwl_tx_info {
struct ieee80211_tx_status status;
struct sk_buff *skb[MAX_NUM_OF_TBS];
};
/**
* struct iwl_tx_queue - Tx Queue for DMA
* @need_update: need to update read/write index
* @shed_retry: queue is HT AGG enabled
*
* Queue consists of circular buffer of BD's and required locking structures.
*/
struct iwl_tx_queue {
struct iwl_queue q;
struct iwl_tfd_frame *bd;
struct iwl_cmd *cmd;
dma_addr_t dma_addr_cmd;
struct iwl_tx_info *txb;
int need_update;
int sched_retry;
int active;
};
#define IWL_NUM_SCAN_RATES (2)
struct iwl_channel_tgd_info {
u8 type;
s8 max_power;
};
struct iwl_channel_tgh_info {
s64 last_radar_time;
};
/* current Tx power values to use, one for each rate for each channel.
* requested power is limited by:
* -- regulatory EEPROM limits for this channel
* -- hardware capabilities (clip-powers)
* -- spectrum management
* -- user preference (e.g. iwconfig)
* when requested power is set, base power index must also be set. */
struct iwl_channel_power_info {
struct iwl_tx_power tpc; /* actual radio and DSP gain settings */
s8 power_table_index; /* actual (compenst'd) index into gain table */
s8 base_power_index; /* gain index for power at factory temp. */
s8 requested_power; /* power (dBm) requested for this chnl/rate */
};
/* current scan Tx power values to use, one for each scan rate for each
* channel. */
struct iwl_scan_power_info {
struct iwl_tx_power tpc; /* actual radio and DSP gain settings */
s8 power_table_index; /* actual (compenst'd) index into gain table */
s8 requested_power; /* scan pwr (dBm) requested for chnl/rate */
};
/* Channel unlock period is 15 seconds. If no beacon or probe response
* has been received within 15 seconds on a locked channel then the channel
* remains locked. */
#define TX_UNLOCK_PERIOD 15
/* CSA lock period is 15 seconds. If a CSA has been received on a channel in
* the last 15 seconds, the channel is locked */
#define CSA_LOCK_PERIOD 15
/*
* 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!
*/
#define IWL4965_MAX_RATE (33)
struct iwl_channel_info {
struct iwl_channel_tgd_info tgd;
struct iwl_channel_tgh_info tgh;
struct iwl_eeprom_channel eeprom; /* EEPROM regulatory limit */
struct iwl_eeprom_channel fat_eeprom; /* EEPROM regulatory limit for
* FAT 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) */
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 */
u8 phymode; /* MODE_IEEE80211{A,B,G} */
/* Radio/DSP gain settings for each "normal" data Tx rate.
* These include, in addition to RF and DSP gain, a few fields for
* remembering/modifying gain settings (indexes). */
struct iwl_channel_power_info power_info[IWL4965_MAX_RATE];
/* Radio/DSP gain settings for each scan rate, for directed scans. */
struct iwl_scan_power_info scan_pwr_info[IWL_NUM_SCAN_RATES];
};
struct iwl_clip_group {
/* maximum power level to prevent clipping for each rate, derived by
* us from this band's saturation power in EEPROM */
const s8 clip_powers[IWL_MAX_RATES];
};
#include "iwl-3945-rs.h"
#define IWL_TX_FIFO_AC0 0
#define IWL_TX_FIFO_AC1 1
#define IWL_TX_FIFO_AC2 2
#define IWL_TX_FIFO_AC3 3
#define IWL_TX_FIFO_HCCA_1 5
#define IWL_TX_FIFO_HCCA_2 6
#define IWL_TX_FIFO_NONE 7
/* Minimum number of queues. MAX_NUM is defined in hw specific files */
#define IWL_MIN_NUM_QUEUES 4
/* Power management (not Tx power) structures */
struct iwl_power_vec_entry {
struct iwl_powertable_cmd cmd;
u8 no_dtim;
};
#define IWL_POWER_RANGE_0 (0)
#define IWL_POWER_RANGE_1 (1)
#define IWL_POWER_MODE_CAM 0x00 /* Continuously Aware Mode, always on */
#define IWL_POWER_INDEX_3 0x03
#define IWL_POWER_INDEX_5 0x05
#define IWL_POWER_AC 0x06
#define IWL_POWER_BATTERY 0x07
#define IWL_POWER_LIMIT 0x07
#define IWL_POWER_MASK 0x0F
#define IWL_POWER_ENABLED 0x10
#define IWL_POWER_LEVEL(x) ((x) & IWL_POWER_MASK)
struct iwl_power_mgr {
spinlock_t lock;
struct iwl_power_vec_entry pwr_range_0[IWL_POWER_AC];
struct iwl_power_vec_entry pwr_range_1[IWL_POWER_AC];
u8 active_index;
u32 dtim_val;
};
#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)
struct iwl_frame {
union {
struct ieee80211_hdr frame;
struct iwl_tx_beacon_cmd beacon;
u8 raw[IEEE80211_FRAME_LEN];
u8 cmd[360];
} u;
struct list_head list;
};
#define SEQ_TO_QUEUE(x) ((x >> 8) & 0xbf)
#define QUEUE_TO_SEQ(x) ((x & 0xbf) << 8)
#define SEQ_TO_INDEX(x) (x & 0xff)
#define INDEX_TO_SEQ(x) (x & 0xff)
#define SEQ_HUGE_FRAME (0x4000)
#define SEQ_RX_FRAME __constant_cpu_to_le16(0x8000)
#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_SIZE_NORMAL = 0, */
CMD_SIZE_HUGE = (1 << 0),
/* CMD_SYNC = 0, */
CMD_ASYNC = (1 << 1),
/* CMD_NO_SKB = 0, */
CMD_WANT_SKB = (1 << 2),
};
struct iwl_cmd;
struct iwl_priv;
struct iwl_cmd_meta {
struct iwl_cmd_meta *source;
union {
struct sk_buff *skb;
int (*callback)(struct iwl_priv *priv,
struct iwl_cmd *cmd, struct sk_buff *skb);
} __attribute__ ((packed)) u;
/* The CMD_SIZE_HUGE flag bit indicates that the command
* structure is stored at the end of the shared queue memory. */
u32 flags;
} __attribute__ ((packed));
struct iwl_cmd {
struct iwl_cmd_meta meta;
struct iwl_cmd_header hdr;
union {
struct iwl_addsta_cmd addsta;
struct iwl_led_cmd led;
u32 flags;
u8 val8;
u16 val16;
u32 val32;
struct iwl_bt_cmd bt;
struct iwl_rxon_time_cmd rxon_time;
struct iwl_powertable_cmd powertable;
struct iwl_qosparam_cmd qosparam;
struct iwl_tx_cmd tx;
struct iwl_tx_beacon_cmd tx_beacon;
struct iwl_rxon_assoc_cmd rxon_assoc;
u8 *indirect;
u8 payload[360];
} __attribute__ ((packed)) cmd;
} __attribute__ ((packed));
struct iwl_host_cmd {
u8 id;
u16 len;
struct iwl_cmd_meta meta;
const void *data;
};
#define TFD_MAX_PAYLOAD_SIZE (sizeof(struct iwl_cmd) - \
sizeof(struct iwl_cmd_meta))
/*
* RX related structures and functions
*/
#define RX_FREE_BUFFERS 64
#define RX_LOW_WATERMARK 8
#define SUP_RATE_11A_MAX_NUM_CHANNELS 8
#define SUP_RATE_11B_MAX_NUM_CHANNELS 4
#define SUP_RATE_11G_MAX_NUM_CHANNELS 12
/**
* struct iwl_rx_queue - Rx queue
* @processed: Internal index to last handled Rx packet
* @read: Shared index to newest available Rx buffer
* @write: Shared index to oldest written Rx packet
* @free_count: Number of pre-allocated buffers in rx_free
* @rx_free: list of free SKBs for use
* @rx_used: List of Rx buffers with no SKB
* @need_update: flag to indicate we need to update read/write index
*
* NOTE: rx_free and rx_used are used as a FIFO for iwl_rx_mem_buffers
*/
struct iwl_rx_queue {
__le32 *bd;
dma_addr_t dma_addr;
struct iwl_rx_mem_buffer pool[RX_QUEUE_SIZE + RX_FREE_BUFFERS];
struct iwl_rx_mem_buffer *queue[RX_QUEUE_SIZE];
u32 processed;
u32 read;
u32 write;
u32 free_count;
struct list_head rx_free;
struct list_head rx_used;
int need_update;
spinlock_t lock;
};
#define IWL_SUPPORTED_RATES_IE_LEN 8
#define SCAN_INTERVAL 100
#define MAX_A_CHANNELS 252
#define MIN_A_CHANNELS 7
#define MAX_B_CHANNELS 14
#define MIN_B_CHANNELS 1
#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
#define STATUS_INT_ENABLED 1
#define STATUS_RF_KILL_HW 2
#define STATUS_RF_KILL_SW 3
#define STATUS_INIT 4
#define STATUS_ALIVE 5
#define STATUS_READY 6
#define STATUS_TEMPERATURE 7
#define STATUS_GEO_CONFIGURED 8
#define STATUS_EXIT_PENDING 9
#define STATUS_IN_SUSPEND 10
#define STATUS_STATISTICS 11
#define STATUS_SCANNING 12
#define STATUS_SCAN_ABORTING 13
#define STATUS_SCAN_HW 14
#define STATUS_POWER_PMI 15
#define STATUS_FW_ERROR 16
#define MAX_TID_COUNT 9
#define IWL_INVALID_RATE 0xFF
#define IWL_INVALID_VALUE -1
struct iwl_tid_data {
u16 seq_number;
};
struct iwl_hw_key {
enum ieee80211_key_alg alg;
int keylen;
u8 key[32];
};
union iwl_ht_rate_supp {
u16 rates;
struct {
u8 siso_rate;
u8 mimo_rate;
};
};
#ifdef CONFIG_IWL3945_HT
#define CFG_HT_RX_AMPDU_FACTOR_DEF (0x3)
#define HT_IE_MAX_AMSDU_SIZE_4K (0)
#define CFG_HT_MPDU_DENSITY_2USEC (0x5)
#define CFG_HT_MPDU_DENSITY_DEF CFG_HT_MPDU_DENSITY_2USEC
struct sta_ht_info {
u8 is_ht;
u16 rx_mimo_ps_mode;
u16 tx_mimo_ps_mode;
u16 control_channel;
u8 max_amsdu_size;
u8 ampdu_factor;
u8 mpdu_density;
u8 operating_mode;
u8 supported_chan_width;
u8 extension_chan_offset;
u8 is_green_field;
u8 sgf;
u8 supp_rates[16];
u8 tx_chan_width;
u8 chan_width_cap;
};
#endif /*CONFIG_IWL3945_HT */
#ifdef CONFIG_IWL3945_QOS
union iwl_qos_capabity {
struct {
u8 edca_count:4; /* bit 0-3 */
u8 q_ack:1; /* bit 4 */
u8 queue_request:1; /* bit 5 */
u8 txop_request:1; /* bit 6 */
u8 reserved:1; /* bit 7 */
} q_AP;
struct {
u8 acvo_APSD:1; /* bit 0 */
u8 acvi_APSD:1; /* bit 1 */
u8 ac_bk_APSD:1; /* bit 2 */
u8 ac_be_APSD:1; /* bit 3 */
u8 q_ack:1; /* bit 4 */
u8 max_len:2; /* bit 5-6 */
u8 more_data_ack:1; /* bit 7 */
} q_STA;
u8 val;
};
/* QoS structures */
struct iwl_qos_info {
int qos_enable;
int qos_active;
union iwl_qos_capabity qos_cap;
struct iwl_qosparam_cmd def_qos_parm;
};
#endif /*CONFIG_IWL3945_QOS */
#define STA_PS_STATUS_WAKE 0
#define STA_PS_STATUS_SLEEP 1
struct iwl_station_entry {
struct iwl_addsta_cmd sta;
struct iwl_tid_data tid[MAX_TID_COUNT];
union {
struct {
u8 rate;
u8 flags;
} s;
u16 rate_n_flags;
} current_rate;
u8 used;
u8 ps_status;
struct iwl_hw_key keyinfo;
};
/* 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 */
};
/* uCode file layout */
struct iwl_ucode {
__le32 ver; /* major/minor/subminor */
__le32 inst_size; /* bytes of runtime instructions */
__le32 data_size; /* bytes of runtime data */
__le32 init_size; /* bytes of initialization instructions */
__le32 init_data_size; /* bytes of initialization data */
__le32 boot_size; /* bytes of bootstrap instructions */
u8 data[0]; /* data in same order as "size" elements */
};
#define IWL_IBSS_MAC_HASH_SIZE 32
struct iwl_ibss_seq {
u8 mac[ETH_ALEN];
u16 seq_num;
u16 frag_num;
unsigned long packet_time;
struct list_head list;
};
struct iwl_driver_hw_info {
u16 max_txq_num;
u16 ac_queue_count;
u16 tx_cmd_len;
u16 max_rxq_size;
u32 rx_buffer_size;
u16 max_rxq_log;
u8 max_stations;
u8 bcast_sta_id;
void *shared_virt;
dma_addr_t shared_phys;
};
#define STA_FLG_RTS_MIMO_PROT_MSK __constant_cpu_to_le32(1 << 17)
#define STA_FLG_AGG_MPDU_8US_MSK __constant_cpu_to_le32(1 << 18)
#define STA_FLG_MAX_AGG_SIZE_POS (19)
#define STA_FLG_MAX_AGG_SIZE_MSK __constant_cpu_to_le32(3 << 19)
#define STA_FLG_FAT_EN_MSK __constant_cpu_to_le32(1 << 21)
#define STA_FLG_MIMO_DIS_MSK __constant_cpu_to_le32(1 << 22)
#define STA_FLG_AGG_MPDU_DENSITY_POS (23)
#define STA_FLG_AGG_MPDU_DENSITY_MSK __constant_cpu_to_le32(7 << 23)
#define HT_SHORT_GI_20MHZ_ONLY (1 << 0)
#define HT_SHORT_GI_40MHZ_ONLY (1 << 1)
#define IWL_RX_HDR(x) ((struct iwl_rx_frame_hdr *)(\
x->u.rx_frame.stats.payload + \
x->u.rx_frame.stats.phy_count))
#define IWL_RX_END(x) ((struct iwl_rx_frame_end *)(\
IWL_RX_HDR(x)->payload + \
le16_to_cpu(IWL_RX_HDR(x)->len)))
#define IWL_RX_STATS(x) (&x->u.rx_frame.stats)
#define IWL_RX_DATA(x) (IWL_RX_HDR(x)->payload)
/******************************************************************************
*
* Functions implemented in iwl-base.c which are forward declared here
* for use by iwl-*.c
*
*****************************************************************************/
struct iwl_addsta_cmd;
extern int iwl_send_add_station(struct iwl_priv *priv,
struct iwl_addsta_cmd *sta, u8 flags);
extern u8 iwl_add_station(struct iwl_priv *priv, const u8 *bssid,
int is_ap, u8 flags);
extern int iwl_is_network_packet(struct iwl_priv *priv,
struct ieee80211_hdr *header);
extern int iwl_power_init_handle(struct iwl_priv *priv);
extern int iwl_eeprom_init(struct iwl_priv *priv);
#ifdef CONFIG_IWL3945_DEBUG
extern void iwl_report_frame(struct iwl_priv *priv,
struct iwl_rx_packet *pkt,
struct ieee80211_hdr *header, int group100);
#else
static inline void iwl_report_frame(struct iwl_priv *priv,
struct iwl_rx_packet *pkt,
struct ieee80211_hdr *header,
int group100) {}
#endif
extern void iwl_handle_data_packet_monitor(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb,
void *data, short len,
struct ieee80211_rx_status *stats,
u16 phy_flags);
extern int is_duplicate_packet(struct iwl_priv *priv, struct ieee80211_hdr
*header);
extern int iwl_rx_queue_alloc(struct iwl_priv *priv);
extern void iwl_rx_queue_reset(struct iwl_priv *priv,
struct iwl_rx_queue *rxq);
extern int iwl_calc_db_from_ratio(int sig_ratio);
extern int iwl_calc_sig_qual(int rssi_dbm, int noise_dbm);
extern int iwl_tx_queue_init(struct iwl_priv *priv,
struct iwl_tx_queue *txq, int count, u32 id);
extern void iwl_rx_replenish(void *data);
extern void iwl_tx_queue_free(struct iwl_priv *priv, struct iwl_tx_queue *txq);
extern int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len,
const void *data);
extern int __must_check iwl_send_cmd(struct iwl_priv *priv,
struct iwl_host_cmd *cmd);
extern unsigned int iwl_fill_beacon_frame(struct iwl_priv *priv,
struct ieee80211_hdr *hdr,
const u8 *dest, int left);
extern int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
struct iwl_rx_queue *q);
extern int iwl_send_statistics_request(struct iwl_priv *priv);
extern void iwl_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb,
u32 decrypt_res,
struct ieee80211_rx_status *stats);
extern const u8 BROADCAST_ADDR[ETH_ALEN];
/*
* Currently used by iwl-3945-rs... look at restructuring so that it doesn't
* call this... todo... fix that.
*/
extern u8 iwl_sync_station(struct iwl_priv *priv, int sta_id,
u16 tx_rate, u8 flags);
/******************************************************************************
*
* Functions implemented in iwl-[34]*.c which are forward declared here
* for use by iwl-base.c
*
* NOTE: The implementation of these functions are hardware specific
* which is why they are in the hardware specific files (vs. iwl-base.c)
*
* Naming convention --
* iwl_ <-- Its part of iwlwifi (should be changed to iwl_)
* iwl_hw_ <-- Hardware specific (implemented in iwl-XXXX.c by all HW)
* iwlXXXX_ <-- Hardware specific (implemented in iwl-XXXX.c for XXXX)
* iwl_bg_ <-- Called from work queue context
* iwl_mac_ <-- mac80211 callback
*
****************************************************************************/
extern void iwl_hw_rx_handler_setup(struct iwl_priv *priv);
extern void iwl_hw_setup_deferred_work(struct iwl_priv *priv);
extern void iwl_hw_cancel_deferred_work(struct iwl_priv *priv);
extern int iwl_hw_rxq_stop(struct iwl_priv *priv);
extern int iwl_hw_set_hw_setting(struct iwl_priv *priv);
extern int iwl_hw_nic_init(struct iwl_priv *priv);
extern int iwl_hw_nic_stop_master(struct iwl_priv *priv);
extern void iwl_hw_txq_ctx_free(struct iwl_priv *priv);
extern void iwl_hw_txq_ctx_stop(struct iwl_priv *priv);
extern int iwl_hw_nic_reset(struct iwl_priv *priv);
extern int iwl_hw_txq_attach_buf_to_tfd(struct iwl_priv *priv, void *tfd,
dma_addr_t addr, u16 len);
extern int iwl_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq);
extern int iwl_hw_get_temperature(struct iwl_priv *priv);
extern int iwl_hw_tx_queue_init(struct iwl_priv *priv,
struct iwl_tx_queue *txq);
extern unsigned int iwl_hw_get_beacon_cmd(struct iwl_priv *priv,
struct iwl_frame *frame, u8 rate);
extern int iwl_hw_get_rx_read(struct iwl_priv *priv);
extern void iwl_hw_build_tx_cmd_rate(struct iwl_priv *priv,
struct iwl_cmd *cmd,
struct ieee80211_tx_control *ctrl,
struct ieee80211_hdr *hdr,
int sta_id, int tx_id);
extern int iwl_hw_reg_send_txpower(struct iwl_priv *priv);
extern int iwl_hw_reg_set_txpower(struct iwl_priv *priv, s8 power);
extern void iwl_hw_rx_statistics(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
extern void iwl_disable_events(struct iwl_priv *priv);
extern int iwl4965_get_temperature(const struct iwl_priv *priv);
/**
* iwl_hw_find_station - Find station id for a given BSSID
* @bssid: MAC address of station ID to find
*
* NOTE: This should not be hardware specific but the code has
* not yet been merged into a single common layer for managing the
* station tables.
*/
extern u8 iwl_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
extern int iwl_hw_channel_switch(struct iwl_priv *priv, u16 channel);
/*
* Forward declare iwl-3945.c functions for iwl-base.c
*/
extern int iwl_eeprom_acquire_semaphore(struct iwl_priv *priv);
extern __le32 iwl3945_get_antenna_flags(const struct iwl_priv *priv);
extern int iwl3945_init_hw_rate_table(struct iwl_priv *priv);
extern void iwl3945_reg_txpower_periodic(struct iwl_priv *priv);
extern int iwl3945_txpower_set_from_eeprom(struct iwl_priv *priv);
extern u8 iwl3945_sync_sta(struct iwl_priv *priv, int sta_id,
u16 tx_rate, u8 flags);
#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
enum {
MEASUREMENT_READY = (1 << 0),
MEASUREMENT_ACTIVE = (1 << 1),
};
#endif
struct iwl_priv {
/* ieee device used by generic ieee processing code */
struct ieee80211_hw *hw;
struct ieee80211_channel *ieee_channels;
struct ieee80211_rate *ieee_rates;
/* temporary frame storage list */
struct list_head free_frames;
int frames_count;
u8 phymode;
int alloc_rxb_skb;
void (*rx_handlers[REPLY_MAX])(struct iwl_priv *priv,
struct iwl_rx_mem_buffer *rxb);
const struct ieee80211_hw_mode *modes;
#ifdef CONFIG_IWL3945_SPECTRUM_MEASUREMENT
/* spectrum measurement report caching */
struct iwl_spectrum_notification measure_report;
u8 measurement_status;
#endif
/* ucode beacon time */
u32 ucode_beacon_time;
/* 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 */
/* each calibration channel group in the EEPROM has a derived
* clip setting for each rate. */
const struct iwl_clip_group clip_groups[5];
/* thermal calibration */
s32 temperature; /* degrees Kelvin */
s32 last_temperature;
/* Scan related variables */
unsigned long last_scan_jiffies;
unsigned long scan_start;
unsigned long scan_pass_start;
unsigned long scan_start_tsf;
int scan_bands;
int one_direct_scan;
u8 direct_ssid_len;
u8 direct_ssid[IW_ESSID_MAX_SIZE];
struct iwl_scan_cmd *scan;
u8 only_active_channel;
/* spinlock */
spinlock_t lock; /* protect general shared data */
spinlock_t hcmd_lock; /* protect hcmd */
struct mutex mutex;
/* basic pci-network driver stuff */
struct pci_dev *pci_dev;
/* pci hardware address support */
void __iomem *hw_base;
/* uCode images, save to reload in case of failure */
struct fw_desc ucode_code; /* runtime inst */
struct fw_desc ucode_data; /* runtime data original */
struct fw_desc ucode_data_backup; /* runtime data save/restore */
struct fw_desc ucode_init; /* initialization inst */
struct fw_desc ucode_init_data; /* initialization data */
struct fw_desc ucode_boot; /* bootstrap inst */
struct iwl_rxon_time_cmd rxon_timing;
/* 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_rxon;
struct iwl_rxon_cmd staging_rxon;
int error_recovering;
struct iwl_rxon_cmd recovery_rxon;
/* 1st responses from initialize and runtime uCode images.
* 4965's initialize alive response contains some calibration data. */
struct iwl_init_alive_resp card_alive_init;
struct iwl_alive_resp card_alive;
#ifdef LED
/* LED related variables */
struct iwl_activity_blink activity;
unsigned long led_packets;
int led_state;
#endif
u16 active_rate;
u16 active_rate_basic;
u8 call_post_assoc_from_beacon;
u8 assoc_station_added;
/* Rate scaling data */
s8 data_retry_limit;
u8 retry_rate;
wait_queue_head_t wait_command_queue;
int activity_timer_active;
/* Rx and Tx DMA processing queues */
struct iwl_rx_queue rxq;
struct iwl_tx_queue txq[IWL_MAX_NUM_QUEUES];
unsigned long status;
u32 config;
int last_rx_rssi; /* From Rx packet statisitics */
int last_rx_noise; /* From beacon statistics */
struct iwl_power_mgr power_data;
struct iwl_notif_statistics statistics;
unsigned long last_statistics_time;
/* context information */
u8 essid[IW_ESSID_MAX_SIZE];
u8 essid_len;
u16 rates_mask;
u32 power_mode;
u32 antenna;
u8 bssid[ETH_ALEN];
u16 rts_threshold;
u8 mac_addr[ETH_ALEN];
/*station table variables */
spinlock_t sta_lock;
int num_stations;
struct iwl_station_entry stations[IWL_STATION_COUNT];
/* Indication if ieee80211_ops->open has been called */
int is_open;
u8 mac80211_registered;
int is_abg;
u32 notif_missed_beacons;
/* Rx'd packet timing information */
u32 last_beacon_time;
u64 last_tsf;
/* Duplicate packet detection */
u16 last_seq_num;
u16 last_frag_num;
unsigned long last_packet_time;
struct list_head ibss_mac_hash[IWL_IBSS_MAC_HASH_SIZE];
/* eeprom */
struct iwl_eeprom eeprom;
int iw_mode;
struct sk_buff *ibss_beacon;
/* Last Rx'd beacon timestamp */
u32 timestamp0;
u32 timestamp1;
u16 beacon_int;
struct iwl_driver_hw_info hw_setting;
int interface_id;
/* Current association information needed to configure the
* hardware */
u16 assoc_id;
u16 assoc_capability;
u8 ps_mode;
#ifdef CONFIG_IWL3945_QOS
struct iwl_qos_info qos_data;
#endif /*CONFIG_IWL3945_QOS */
struct workqueue_struct *workqueue;
struct work_struct up;
struct work_struct restart;
struct work_struct calibrated_work;
struct work_struct scan_completed;
struct work_struct rx_replenish;
struct work_struct rf_kill;
struct work_struct abort_scan;
struct work_struct update_link_led;
struct work_struct auth_work;
struct work_struct report_work;
struct work_struct request_scan;
struct work_struct beacon_update;
struct tasklet_struct irq_tasklet;
struct delayed_work init_alive_start;
struct delayed_work alive_start;
struct delayed_work activity_timer;
struct delayed_work thermal_periodic;
struct delayed_work gather_stats;
struct delayed_work scan_check;
struct delayed_work post_associate;
#define IWL_DEFAULT_TX_POWER 0x0F
s8 user_txpower_limit;
s8 max_channel_txpower_limit;
#ifdef CONFIG_PM
u32 pm_state[16];
#endif
#ifdef CONFIG_IWL3945_DEBUG
/* debugging info */
u32 framecnt_to_us;
atomic_t restrict_refcnt;
#endif
}; /*iwl_priv */
static inline int iwl_is_associated(struct iwl_priv *priv)
{
return (priv->active_rxon.filter_flags & RXON_FILTER_ASSOC_MSK) ? 1 : 0;
}
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_narrow(const struct iwl_channel_info *ch_info)
{
return (ch_info->flags & EEPROM_CHANNEL_NARROW) ? 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->phymode == MODE_IEEE80211A;
}
static inline u8 is_channel_bg_band(const struct iwl_channel_info *ch_info)
{
return ((ch_info->phymode == MODE_IEEE80211B) ||
(ch_info->phymode == MODE_IEEE80211G));
}
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;
}
extern const struct iwl_channel_info *iwl_get_channel_info(
const struct iwl_priv *priv, int phymode, u16 channel);
/* Requires full declaration of iwl_priv before including */
#include "iwl-3945-io.h"
#endif
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