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ath9k: Add definitions and structures to support WoW 

*add structures, macros and variables for WoW, so that the driver
can make use of it.
*maintain a list for user enabled patterns and masks
*track pattern slots for the hardware limitation on the
maximum number of patterns that can be stored.
*track interrupts enabled before WoW suspend, so
that can be reconfigured after resume
*have macros to parse user defined wow configurations to
hardware code

Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com>
Cc: Rajkumar Manoharan <rmanohar@qca.qualcomm.com>
Cc: vadivel@qca.qualcomm.com
Signed-off-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Mohammed Shafi Shajakhan 2012-07-10 14:54:34 +05:30 committed by John W. Linville
parent 900902986c
commit 01c785338e
2 changed files with 46 additions and 0 deletions
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12
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -510,6 +510,12 @@ static inline void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc)
}
#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
struct ath9k_wow_pattern {
u8 pattern_bytes[MAX_PATTERN_SIZE];
u8 mask_bytes[MAX_PATTERN_SIZE];
u32 pattern_len;
};
/********************/
/* LED Control */
/********************/
@ -711,6 +717,12 @@ struct ath_softc {
struct ath_ant_comb ant_comb;
u8 ant_tx, ant_rx;
struct dfs_pattern_detector *dfs_detector;
#ifdef CONFIG_PM_SLEEP
atomic_t wow_got_bmiss_intr;
atomic_t wow_sleep_proc_intr; /* in the middle of WoW sleep ? */
u32 wow_intr_before_sleep;
#endif
};
void ath9k_tasklet(unsigned long data);

34
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -180,6 +180,37 @@
#define PAPRD_TABLE_SZ 24
#define PAPRD_IDEAL_AGC2_PWR_RANGE 0xe0
/*
* Wake on Wireless
*/
/* Keep Alive Frame */
#define KAL_FRAME_LEN 28
#define KAL_FRAME_TYPE 0x2 /* data frame */
#define KAL_FRAME_SUB_TYPE 0x4 /* null data frame */
#define KAL_DURATION_ID 0x3d
#define KAL_NUM_DATA_WORDS 6
#define KAL_NUM_DESC_WORDS 12
#define KAL_ANTENNA_MODE 1
#define KAL_TO_DS 1
#define KAL_DELAY 4 /*delay of 4ms between 2 KAL frames */
#define KAL_TIMEOUT 900
#define MAX_PATTERN_SIZE 256
#define MAX_PATTERN_MASK_SIZE 32
#define MAX_NUM_PATTERN 8
#define MAX_NUM_USER_PATTERN 6 /* deducting the disassociate and
deauthenticate packets */
/*
* WoW trigger mapping to hardware code
*/
#define AH_WOW_USER_PATTERN_EN BIT(0)
#define AH_WOW_MAGIC_PATTERN_EN BIT(1)
#define AH_WOW_LINK_CHANGE BIT(2)
#define AH_WOW_BEACON_MISS BIT(3)
enum ath_hw_txq_subtype {
ATH_TXQ_AC_BE = 0,
ATH_TXQ_AC_BK = 1,
@ -863,6 +894,9 @@ struct ath_hw {
/* Enterprise mode cap */
u32 ent_mode;
#ifdef CONFIG_PM_SLEEP
u32 wow_event_mask;
#endif
bool is_clk_25mhz;
int (*get_mac_revision)(void);
int (*external_reset)(void);