/*
* Copyright ( c ) 2008 - 2009 Atheros Communications Inc .
*
* Permission to use , copy , modify , and / or distribute this software for any
* purpose with or without fee is hereby granted , provided that the above
* copyright notice and this permission notice appear in all copies .
*
* THE SOFTWARE IS PROVIDED " AS IS " AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS . IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL , DIRECT , INDIRECT , OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE , DATA OR PROFITS , WHETHER IN AN
* ACTION OF CONTRACT , NEGLIGENCE OR OTHER TORTIOUS ACTION , ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE .
*/
#ifndef ATH_H
#define ATH_H
#include <linux/etherdevice.h>
#include <linux/skbuff.h>
#include <linux/if_ether.h>
#include <linux/spinlock.h>
#include <net/mac80211.h>
/*
* The key cache is used for h / w cipher state and also for
* tracking station state such as the current tx antenna .
* We also setup a mapping table between key cache slot indices
* and station state to short - circuit node lookups on rx .
* Different parts have different size key caches . We handle
* up to ATH_KEYMAX entries ( could dynamically allocate state ) .
*/
#define ATH_KEYMAX 128 /* max key cache size we handle */
struct ath_ani {
bool caldone;
unsigned int longcal_timer;
unsigned int shortcal_timer;
unsigned int resetcal_timer;
unsigned int checkani_timer;
struct timer_list timer;
};
struct ath_cycle_counters {
u32 cycles;
u32 rx_busy;
u32 rx_frame;
u32 tx_frame;
};
enum ath_device_state {
ATH_HW_UNAVAILABLE,
ATH_HW_INITIALIZED,
};
enum ath_op_flags {
ATH_OP_INVALID,
ATH_OP_BEACONS,
ATH_OP_ANI_RUN,
ATH_OP_PRIM_STA_VIF,
ATH_OP_HW_RESET,
ATH_OP_SCANNING,
ATH_OP_MULTI_CHANNEL,
ATH_OP_WOW_ENABLED,
};
enum ath_bus_type {
ATH_PCI,
ATH_AHB,
ATH_USB,
};
struct reg_dmn_pair_mapping {
u16 reg_domain;
u16 reg_5ghz_ctl;
u16 reg_2ghz_ctl;
};
struct ath_regulatory {
char alpha2[2 ];
enum nl80211_dfs_regions region;
u16 country_code;
u16 max_power_level;
u16 current_rd;
int16_t power_limit;
struct reg_dmn_pair_mapping *regpair;
};
enum ath_crypt_caps {
ATH_CRYPT_CAP_CIPHER_AESCCM = BIT(0 ),
ATH_CRYPT_CAP_MIC_COMBINED = BIT(1 ),
};
struct ath_keyval {
u8 kv_type;
u8 kv_pad;
u16 kv_len;
struct_group(kv_values,
u8 kv_val[16 ]; /* TK */
u8 kv_mic[8 ]; /* Michael MIC key */
u8 kv_txmic[8 ]; /* Michael MIC TX key (used only if the hardware
* supports both MIC keys in the same key cache entry ;
* in that case, kv_mic is the RX key) */
);
};
enum ath_cipher {
ATH_CIPHER_WEP = 0 ,
ATH_CIPHER_AES_OCB = 1 ,
ATH_CIPHER_AES_CCM = 2 ,
ATH_CIPHER_CKIP = 3 ,
ATH_CIPHER_TKIP = 4 ,
ATH_CIPHER_CLR = 5 ,
ATH_CIPHER_MIC = 127
};
/**
* struct ath_ops - Register read / write operations
*
* @ read : Register read
* @ multi_read : Multiple register read
* @ write : Register write
* @ enable_write_buffer : Enable multiple register writes
* @ write_flush : flush buffered register writes and disable buffering
*/
struct ath_ops {
unsigned int (*read)(void *, u32 reg_offset);
void (*multi_read)(void *, u32 *addr, u32 *val, u16 count);
void (*write)(void *, u32 val, u32 reg_offset);
void (*enable_write_buffer)(void *);
void (*write_flush) (void *);
u32 (*rmw)(void *, u32 reg_offset, u32 set, u32 clr);
void (*enable_rmw_buffer)(void *);
void (*rmw_flush) (void *);
};
struct ath_common;
struct ath_bus_ops;
struct ath_ps_ops {
void (*wakeup)(struct ath_common *common);
void (*restore)(struct ath_common *common);
};
struct ath_common {
void *ah;
void *priv;
struct ieee80211_hw *hw;
int debug_mask;
enum ath_device_state state;
unsigned long op_flags;
struct ath_ani ani;
u16 cachelsz;
u16 curaid;
u8 macaddr[ETH_ALEN];
u8 curbssid[ETH_ALEN] __aligned(2 );
u8 bssidmask[ETH_ALEN];
u32 rx_bufsize;
u32 keymax;
DECLARE_BITMAP(keymap, ATH_KEYMAX);
DECLARE_BITMAP(tkip_keymap, ATH_KEYMAX);
DECLARE_BITMAP(ccmp_keymap, ATH_KEYMAX);
enum ath_crypt_caps crypt_caps;
unsigned int clockrate;
spinlock_t cc_lock;
struct_group(cc,
struct ath_cycle_counters cc_ani;
struct ath_cycle_counters cc_survey;
);
struct ath_regulatory regulatory;
struct ath_regulatory reg_world_copy;
const struct ath_ops *ops;
const struct ath_bus_ops *bus_ops;
const struct ath_ps_ops *ps_ops;
bool btcoex_enabled;
bool disable_ani;
bool bt_ant_diversity;
int last_rssi;
struct ieee80211_supported_band sbands[NUM_NL80211_BANDS];
};
static inline const struct ath_ps_ops *ath_ps_ops(struct ath_common *common)
{
return common->ps_ops;
}
struct sk_buff *ath_rxbuf_alloc(struct ath_common *common,
u32 len,
gfp_t gfp_mask);
bool ath_is_mybeacon(struct ath_common *common, struct ieee80211_hdr *hdr);
void ath_hw_setbssidmask(struct ath_common *common);
void ath_key_delete(struct ath_common *common, u8 hw_key_idx);
int ath_key_config(struct ath_common *common,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_key_conf *key);
bool ath_hw_keyreset(struct ath_common *common, u16 entry);
bool ath_hw_keysetmac(struct ath_common *common, u16 entry, const u8 *mac);
void ath_hw_cycle_counters_update(struct ath_common *common);
int32_t ath_hw_get_listen_time(struct ath_common *common);
__printf(3 , 4 )
void ath_printk(const char *level, const struct ath_common *common,
const char *fmt, ...);
#define ath_emerg(common, fmt, ...) \
ath_printk(KERN_EMERG, common, fmt, ## __VA_ARGS__)
#define ath_alert(common, fmt, ...) \
ath_printk(KERN_ALERT, common, fmt, ## __VA_ARGS__)
#define ath_crit(common, fmt, ...) \
ath_printk(KERN_CRIT, common, fmt, ## __VA_ARGS__)
#define ath_err(common, fmt, ...) \
ath_printk(KERN_ERR, common, fmt, ## __VA_ARGS__)
#define ath_warn(common, fmt, ...) \
ath_printk(KERN_WARNING, common, fmt, ## __VA_ARGS__)
#define ath_notice(common, fmt, ...) \
ath_printk(KERN_NOTICE, common, fmt, ## __VA_ARGS__)
#define ath_info(common, fmt, ...) \
ath_printk(KERN_INFO, common, fmt, ## __VA_ARGS__)
/**
* enum ath_debug_level - atheros wireless debug level
*
* @ ATH_DBG_RESET : reset processing
* @ ATH_DBG_QUEUE : hardware queue management
* @ ATH_DBG_EEPROM : eeprom processing
* @ ATH_DBG_CALIBRATE : periodic calibration
* @ ATH_DBG_INTERRUPT : interrupt processing
* @ ATH_DBG_REGULATORY : regulatory processing
* @ ATH_DBG_ANI : adaptive noise immunitive processing
* @ ATH_DBG_XMIT : basic xmit operation
* @ ATH_DBG_BEACON : beacon handling
* @ ATH_DBG_CONFIG : configuration of the hardware
* @ ATH_DBG_FATAL : fatal errors , this is the default , DBG_DEFAULT
* @ ATH_DBG_PS : power save processing
* @ ATH_DBG_HWTIMER : hardware timer handling
* @ ATH_DBG_BTCOEX : bluetooth coexistance
* @ ATH_DBG_BSTUCK : stuck beacons
* @ ATH_DBG_MCI : Message Coexistence Interface , a private protocol
* used exclusively for WLAN - BT coexistence starting from
* AR9462 .
* @ ATH_DBG_DFS : radar datection
* @ ATH_DBG_WOW : Wake on Wireless
* @ ATH_DBG_DYNACK : dynack handling
* @ ATH_DBG_SPECTRAL_SCAN : FFT spectral scan
* @ ATH_DBG_ANY : enable all debugging
*
* The debug level is used to control the amount and type of debugging output
* we want to see . Each driver has its own method for enabling debugging and
* modifying debug level states - - but this is typically done through a
* module parameter ' debug ' along with a respective ' debug ' debugfs file
* entry .
*/
enum ATH_DEBUG {
ATH_DBG_RESET = 0 x00000001,
ATH_DBG_QUEUE = 0 x00000002,
ATH_DBG_EEPROM = 0 x00000004,
ATH_DBG_CALIBRATE = 0 x00000008,
ATH_DBG_INTERRUPT = 0 x00000010,
ATH_DBG_REGULATORY = 0 x00000020,
ATH_DBG_ANI = 0 x00000040,
ATH_DBG_XMIT = 0 x00000080,
ATH_DBG_BEACON = 0 x00000100,
ATH_DBG_CONFIG = 0 x00000200,
ATH_DBG_FATAL = 0 x00000400,
ATH_DBG_PS = 0 x00000800,
ATH_DBG_BTCOEX = 0 x00001000,
ATH_DBG_WMI = 0 x00002000,
ATH_DBG_BSTUCK = 0 x00004000,
ATH_DBG_MCI = 0 x00008000,
ATH_DBG_DFS = 0 x00010000,
ATH_DBG_WOW = 0 x00020000,
ATH_DBG_CHAN_CTX = 0 x00040000,
ATH_DBG_DYNACK = 0 x00080000,
ATH_DBG_SPECTRAL_SCAN = 0 x00100000,
ATH_DBG_ANY = 0 xffffffff
};
#define ATH_DBG_DEFAULT (ATH_DBG_FATAL)
#define ATH_DBG_MAX_LEN 512
#ifdef CONFIG_ATH_DEBUG
#define ath_dbg(common, dbg_mask, fmt, ...) \
do { \
if ((common)->debug_mask & ATH_DBG_## dbg_mask) \
ath_printk(KERN_DEBUG, common, fmt, ## __VA_ARGS__); \
} while (0 )
#define ATH_DBG_WARN(foo, arg...) WARN(foo, arg)
#define ATH_DBG_WARN_ON_ONCE(foo) WARN_ON_ONCE(foo)
#else
static inline __attribute__ ((format (printf, 3 , 4 )))
void _ath_dbg(struct ath_common *common, enum ATH_DEBUG dbg_mask,
const char *fmt, ...)
{
}
#define ath_dbg(common, dbg_mask, fmt, ...) \
_ath_dbg(common, ATH_DBG_## dbg_mask, fmt, ## __VA_ARGS__)
#define ATH_DBG_WARN(foo, arg...) do {} while (0 )
#define ATH_DBG_WARN_ON_ONCE(foo) ({ \
int __ret_warn_once = !!(foo); \
unlikely(__ret_warn_once); \
})
#endif /* CONFIG_ATH_DEBUG */
/** Returns string describing opmode, or NULL if unknown mode. */
#ifdef CONFIG_ATH_DEBUG
const char *ath_opmode_to_string(enum nl80211_iftype opmode);
#else
static inline const char *ath_opmode_to_string(enum nl80211_iftype opmode)
{
return "UNKNOWN" ;
}
#endif
extern const char *ath_bus_type_strings[];
static inline const char *ath_bus_type_to_string(enum ath_bus_type bustype)
{
return ath_bus_type_strings[bustype];
}
#endif /* ATH_H */
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¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-28)
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