On Tue, Jun 19, 2012 at 09:17:22PM +0530, Mohammed Shafi Shajakhan wrote:
> From: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>
>
> *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@xxxxxxxxxxxxxxxx>
> Cc: Rajkumar Manoharan <rmanohar@xxxxxxxxxxxxxxxx>
> Cc: vadivel@xxxxxxxxxxxxxxxx
> Tested-by: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>
> Signed-off-by: Luis R. Rodriguez <mcgrof@xxxxxxxxxxxxxxxx>
> Signed-off-by: Mohammed Shafi Shajakhan <mohammed@xxxxxxxxxxxxxxxx>
> ---
> drivers/net/wireless/ath/ath9k/ath9k.h | 20 ++++++++++++++++++++
> drivers/net/wireless/ath/ath9k/hw.h | 21 +++++++++++++++++++++
> 2 files changed, 41 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
> index a8c0500..264c25b 100644
> --- a/drivers/net/wireless/ath/ath9k/ath9k.h
> +++ b/drivers/net/wireless/ath/ath9k/ath9k.h
> @@ -505,6 +505,19 @@ static inline u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc,
> }
> #endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */
>
> +struct ath9k_wow_pattern {
> + bool slot;
> + u8 pattern_bytes[MAX_PATTERN_SIZE];
> + u8 mask_bytes[MAX_PATTERN_SIZE];
> + u32 pattern_len;
> + struct list_head list;
> +};
> +
> +struct ath9k_wow_info {
> + u32 num_of_patterns;
> + struct list_head wow_patterns;
> +};
> +
> /********************/
> /* LED Control */
> /********************/
> @@ -706,6 +719,13 @@ struct ath_softc {
> struct ath_ant_comb ant_comb;
> u8 ant_tx, ant_rx;
> struct dfs_pattern_detector *dfs_detector;
> +
> +#ifdef CONFIG_PM_SLEEP
> + bool wow_got_bmiss_intr;
> + bool wow_sleep_proc_intr; /* in the middle of WoW sleep ? */
> + u32 wow_intr_before_sleep;
> + struct ath9k_wow_info wow_info;
> +#endif
> };
>
> void ath9k_tasklet(unsigned long data);
> diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
> index 03d5909..d0e14a3 100644
> --- a/drivers/net/wireless/ath/ath9k/hw.h
> +++ b/drivers/net/wireless/ath/ath9k/hw.h
> @@ -179,6 +179,24 @@
> #define PAPRD_TABLE_SZ 24
> #define PAPRD_IDEAL_AGC2_PWR_RANGE 0xe0
>
> +/* Wake on Wireless */
> +
> +#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)
> +#define AH_WOW_MAX_EVENTS 4
Why do you need AH_WOW_MAX_EVENT? It looks like out of sync and also it is never be used.
-Rajkumar
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