diff --git a/components/esp32/include/esp_mesh.h b/components/esp32/include/esp_mesh.h
index a532117567..e52e541ff8 100644
--- a/components/esp32/include/esp_mesh.h
+++ b/components/esp32/include/esp_mesh.h
@@ -1479,6 +1479,13 @@ esp_err_t esp_mesh_switch_channel(const uint8_t *new_bssid, int csa_newchan, int
  */
 esp_err_t esp_mesh_get_router_bssid(uint8_t *router_bssid);
 
+/**
+ * @brief      Get the TSF time
+ *
+ * @return     the TSF time
+ */
+int64_t esp_mesh_get_tsf_time(void);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/components/esp32/lib b/components/esp32/lib
index e5e3b12c31..3fdb9c146d 160000
--- a/components/esp32/lib
+++ b/components/esp32/lib
@@ -1 +1 @@
-Subproject commit e5e3b12c31e4fe143aa1aabd94c8ffac93d76b5d
+Subproject commit 3fdb9c146d540836e442d0130c37b57dde988b73