ath9k_htc: Add a new WMI event WMI_TXSTATUS_EVENTID

This event will be generated by the target for packet completions.

Signed-off-by: Sujith Manoharan <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath9k/wmi.h b/drivers/net/wireless/ath/ath9k/wmi.h
index a81d554edb8..8c877dc2e2e 100644
--- a/drivers/net/wireless/ath/ath9k/wmi.h
+++ b/drivers/net/wireless/ath/ath9k/wmi.h
@@ -41,6 +41,44 @@ struct wmi_event_swba {
         __be64 tsf;
         u8 beacon_pending;
 };
+
+/*
+ * 64 - HTC header - WMI header - 1 / txstatus
+ * And some other hdr. space is also accounted for.
+ * 13 seems to be the magic number.
+ */
+#define HTC_MAX_TX_STATUS 13
+
+#define ATH9K_HTC_TXSTAT_ACK        BIT(0)
+#define ATH9K_HTC_TXSTAT_FILT       BIT(1)
+#define ATH9K_HTC_TXSTAT_RTC_CTS    BIT(2)
+#define ATH9K_HTC_TXSTAT_MCS        BIT(3)
+#define ATH9K_HTC_TXSTAT_CW40       BIT(4)
+#define ATH9K_HTC_TXSTAT_SGI        BIT(5)
+
+/*
+ * Legacy rates are indicated as indices.
+ * HT rates are indicated as dot11 numbers.
+ * This allows us to resrict the rate field
+ * to 4 bits.
+ */
+#define ATH9K_HTC_TXSTAT_RATE       0x0f
+#define ATH9K_HTC_TXSTAT_RATE_S     0
+
+#define ATH9K_HTC_TXSTAT_EPID       0xf0
+#define ATH9K_HTC_TXSTAT_EPID_S     4
+
+struct __wmi_event_txstatus {
+        u8 cookie;
+        u8 ts_rate; /* Also holds EP ID */
+        u8 ts_flags;
+};
+
+struct wmi_event_txstatus {
+        u8 cnt;
+        struct __wmi_event_txstatus txstatus[HTC_MAX_TX_STATUS];
+} __packed;
+
 enum wmi_cmd_id {
         WMI_ECHO_CMDID = 0x0001,
         WMI_ACCESS_MEMORY_CMDID,
@@ -82,6 +120,7 @@ enum wmi_event_id {
         WMI_BMISS_EVENTID,
         WMI_DELBA_EVENTID,
         WMI_TXRATE_EVENTID,
+        WMI_TXSTATUS_EVENTID,
 };
 
 #define MAX_CMD_NUMBER 62