add some wifi interface statistics (beacon tsf offset) and guard time

Change-Id: If0286abc0942bed40bf321438117546f0e6dbd25

1 files changed, 17 insertions, 0 deletions

diff --git a/include/hardware_legacy/wifi_config.h b/include/hardware_legacy/wifi_config.h
index 50603b7..c19099d 100644
--- a/include/hardware_legacy/wifi_config.h
+++ b/include/hardware_legacy/wifi_config.h
@@ -21,6 +21,23 @@ wifi_error wifi_extended_dtim_config_set(wifi_request_id id,
 //set the country code to driver

 wifi_error wifi_set_country_code(wifi_request_id id, wifi_interface_handle iface,

         const char* country_code);

+

+//set the wifi_iface stats averaging factor used to calculate

+// statistics like average the TSF offset or average number of frame leaked

+// For instance, upon beacon reception:

+//    current_avg = ((beacon_TSF - TBTT) * factor + previous_avg * (0x10000 - factor) ) / 0x10000

+// For instance, when evaluating leaky APs:

+//    current_avg = ((num frame received within guard time) * factor + previous_avg * (0x10000 - factor)) / 0x10000

+

+wifi_error wifi_set_beacon_wifi_iface_stats_averaging_factor(wifi_request_id id, wifi_interface_handle iface,

+        u16 factor);

+

+// configure guard time, i.e. when implementing IEEE power management based on

+// frame control PM bit, how long driver waits before shutting down the radio and

+// after receiving an ACK for a data frame with PM bit set

+wifi_error wifi_set_guard_time(wifi_request_id id, wifi_interface_handle iface,

+        u32 guard_time);

+

 #ifdef __cplusplus

 }