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| author |  Oleksij Rempel <linux@rempel-privat.de>
| 2015-03-22 19:29:46 +0100 |
|---|---|---|
| committer |  Kalle Valo <kvalo@codeaurora.org>
| 2015-03-30 11:31:18 +0300 |
| commit | 8badb50cfab6d433622dbfd5a90b6adf27333107 (patch) | |
| tree | b8b6569c7390aaa1a8fb693c5e37a4935d0175bb /drivers/net/wireless/ath/ath9k/wmi.h | |
| parent | rtlwifi: Change REG_CR+2 to MSR (diff) | |
| download | linux-8badb50cfab6d433622dbfd5a90b6adf27333107.tar.gz linux-8badb50cfab6d433622dbfd5a90b6adf27333107.tar.bz2 linux-8badb50cfab6d433622dbfd5a90b6adf27333107.zip | |
ath9k_htc: add new WMI_REG_RMW_CMDID command
Since usb bus add extra delay on each request, a command
with read + write requests is too expensive. We can dramtically
reduce usb load by moving this command to firmware.
In my tests, this patch will reduce channel scan time
for about 5-10 seconds.
Signed-off-by: Oleksij Rempel <linux@rempel-privat.de>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/wmi.h')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/wmi.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h index 0db37f230018..aa84a335289a 100644 --- a/drivers/net/wireless/ath/ath9k/wmi.h +++ b/drivers/net/wireless/ath/ath9k/wmi.h @@ -112,6 +112,7 @@ enum wmi_cmd_id { WMI_TX_STATS_CMDID, WMI_RX_STATS_CMDID, WMI_BITRATE_MASK_CMDID, + WMI_REG_RMW_CMDID, }; enum wmi_event_id { @@ -125,12 +126,19 @@ enum wmi_event_id { }; #define MAX_CMD_NUMBER 62 +#define MAX_RMW_CMD_NUMBER 15 struct register_write { __be32 reg; __be32 val; }; +struct register_rmw { + __be32 reg; + __be32 set; + __be32 clr; +} __packed; + struct ath9k_htc_tx_event { int count; struct __wmi_event_txstatus txs; @@ -156,10 +164,18 @@ struct wmi { spinlock_t wmi_lock; + /* multi write section */ atomic_t mwrite_cnt; struct register_write multi_write[MAX_CMD_NUMBER]; u32 multi_write_idx; struct mutex multi_write_mutex; + + /* multi rmw section */ + atomic_t m_rmw_cnt; + struct register_rmw multi_rmw[MAX_RMW_CMD_NUMBER]; + u32 multi_rmw_idx; + struct mutex multi_rmw_mutex; + }; struct wmi *ath9k_init_wmi(struct ath9k_htc_priv *priv); |