1 files changed, 64 insertions, 0 deletions
diff --git a/include/hardware_legacy/rtt.h b/include/hardware_legacy/rtt.h
new file mode 100644
index 0000000..143b2dd
--- /dev/null
+++ b/include/hardware_legacy/rtt.h
@@ -0,0 +1,64 @@
+
+#include "wifi_hal.h"
+
+#ifndef __WIFI_HAL_RTT_H__
+#define __WIFI_HAL_RTT_H__
+
+/* RTT */
+
+/* Type */
+
+#define RTT_TYPE_RTS_CTS    1
+#define RTT_TYPE_NULL_ACK   2
+#define RTT_TYPE_3          3                   // This is required for D2D RTT
+
+typedef struct {
+    int type;                                   // One of RTT_TYPE_ values
+    byte token[16];                             // Local token to be published in rtt service info
+    wifi_channel primary;                       // Use primary when it doesn't conflict with infra
+    wifi_channel secondary;                     // Use secondary when primary conflicts with infra
+    wifi_timespan offset_from_dw_timestamp;     // Time offset to go to primary or secondary channel
+    char rtt_service_name[32];                  // Service name to use
+    byte rtt_servic_info[256];                  // Blob to publish in service info
+} RttConfig;
+
+typedef struct {
+    void (*on_device_ranged)(wifi_request_id id, mac_addr addr, byte token[16], wifi_timespan ts);
+    void (*on_failed)(wifi_request_id id, wifi_error reason);
+} wifi_rtt_event_handler;
+
+/* Enable rtt - publishes a service advertising RTT; and starts playing
+ * two phase nXn RTT protocol. To stop it, use wifi_disable_rtt */
+
+wifi_error wifi_enable_rtt(wifi_request_id id, wifi_interface_handle iface, RttConfig config,
+        wifi_rtt_event_handler handler);
+wifi_error wifi_disable_rtt(wifi_request_id id);
+
+/* RTT Hotlist */
+
+typedef struct {
+    byte token[16];
+    int64_t max_rtt_timespan;
+} wifi_rtt_hotlist_criterion;
+
+typedef struct {
+    void (*on_token_found)(wifi_request_id id, byte token[16], wifi_timespan ts);
+} wifi_rtt_hotlist_event_handler;
+
+wifi_error wifi_set_rtt_hotlist(wifi_request_id id, wifi_interface_handle iface, int num_criteria,
+        wifi_rtt_hotlist_criterion *criteria, wifi_rtt_hotlist_event_handler handler);
+wifi_error wifi_reset_rtt_hotlist(wifi_request_id id);
+
+/* single shot RTT (Device to AP??) */
+
+typedef struct {
+    void (*on_succeeded) (wifi_request_id id, wifi_timestamp ts);
+    void (*on_failed) (wifi_request_id id, wifi_error reason);
+} IRttEventHandler;
+
+wifi_error wifi_rtt_request_range(wifi_request_id id, wifi_interface_handle iface, mac_addr addr,
+        RttConfig config, int continuous, IRttEventHandler *handler);
+void wifi_rtt_cancel_range_request(wifi_request_id id);
+
+#endif
+