Introduce TDLS APIs in wifi HAL

Change-Id: I611012412f58682ea11179631622023eda5393e7

2 files changed, 74 insertions, 0 deletions

diff --git a/include/hardware_legacy/tdls.h b/include/hardware_legacy/tdls.h
new file mode 100644
index 0000000..c1cd33e
--- /dev/null
+++ b/include/hardware_legacy/tdls.h
@@ -0,0 +1,73 @@
+
+#include "wifi_hal.h"
+
+#ifndef _TDLS_H_
+#define _TDLS_H_
+
+typedef enum {
+    WIFI_TDLS_DISABLED,                 /* TDLS is not enabled, or is disabled now */
+    WIFI_TDLS_ENABLED,                  /* TDLS is enabled, but not yet tried */
+    WIFI_TDLS_TRYING,                   /* Direct link is being attempted (optional) */
+    WIFI_TDLS_ESTABLISHED,              /* Direct link is established */
+    WIFI_TDLS_ESTABLISHED_OFF_CHANNEL,  /* Direct link is established using MCC */
+    WIFI_TDLS_DROPPED,                  /* Direct link was established, but is now dropped */
+    WIFI_TDLS_FAILED                    /* Direct link failed */
+} wifi_tdls_state;
+
+typedef enum {
+    WIFI_TDLS_SUCCESS,                              /* Success */
+    WIFI_TDLS_UNSPECIFIED           = -1,           /* Unspecified reason */
+    WIFI_TDLS_NOT_SUPPORTED         = -2,           /* Remote side doesn't support TDLS */
+    WIFI_TDLS_UNSUPPORTED_BAND      = -3,           /* Remote side doesn't support this band */
+    WIFI_TDLS_NOT_BENEFICIAL        = -4,           /* Going to AP is better than going direct */
+    WIFI_TDLS_DROPPED_BY_REMOTE     = -5            /* Remote side doesn't want it anymore */
+} wifi_tdls_reason;
+
+typedef struct {
+    int channel;                        /* channel hint, in channel number (NOT frequency ) */
+    int global_operating_class;         /* operating class to use */
+    int max_latency_ms;                 /* max latency that can be tolerated by apps */
+    int min_bandwidth_kbps;             /* bandwidth required by apps, in kilo bits per second */
+} wifi_tdls_params;
+
+typedef struct {
+    int channel;
+    int global_operating_class;
+    wifi_tdls_state state;
+    wifi_tdls_reason reason;
+} wifi_tdls_status;
+
+typedef struct {
+    /* on_tdls_state_changed - reports state to TDLS link
+     * Report this event when the state of TDLS link changes */
+    void (*on_tdls_state_changed)(mac_addr addr, wifi_tdls_status status);
+} wifi_tdls_handler;
+
+
+/* wifi_enable_tdls - enables TDLS-auto mode for a specific route
+ *
+ * params specifies hints, which provide more information about
+ * why TDLS is being sought. The firmware should do its best to
+ * honor the hints before downgrading regular AP link
+ *
+ * On successful completion, must fire on_tdls_state_changed event
+ * to indicate the status of TDLS operation.
+ */
+wifi_error wifi_enable_tdls(wifi_interface_handle iface, mac_addr addr,
+        wifi_tdls_params params, wifi_tdls_handler handler);
+
+/* wifi_disable_tdls - disables TDLS-auto mode for a specific route
+ *
+ * This terminates any existing TDLS with addr device, and frees the
+ * device resources to make TDLS connections on new routes.
+ *
+ * DON'T fire any more events on 'handler' specified in earlier call to
+ * wifi_enable_tdls after this action.
+ */
+wifi_error wifi_disable_tdls(wifi_interface_handle iface, mac_addr addr);
+
+/* wifi_get_tdls_status - allows getting the status of TDLS for a specific route */
+wifi_error wifi_get_tdls_status(wifi_interface_handle iface, mac_addr addr,
+        wifi_tdls_status *status);
+
+#endif
\ No newline at end of file
diff --git a/include/hardware_legacy/wifi_hal.h b/include/hardware_legacy/wifi_hal.h
index 9a82505..0d11c82 100644
--- a/include/hardware_legacy/wifi_hal.h
+++ b/include/hardware_legacy/wifi_hal.h
@@ -117,6 +117,7 @@ wifi_error wifi_reset_iface_event_handler(wifi_request_id id, wifi_interface_han
 #include "link_layer_stats.h"
 #include "rtt.h"
 #include "nan.h"
+#include "tdls.h"
 
 #endif