diff --git a/components/bt/host/nimble/Kconfig.in b/components/bt/host/nimble/Kconfig.in
index ddc21f3556..b56b900f3f 100644
--- a/components/bt/host/nimble/Kconfig.in
+++ b/components/bt/host/nimble/Kconfig.in
@@ -187,6 +187,37 @@ config BT_NIMBLE_HCI_EVT_LO_BUF_COUNT
         low-priority event buffers, then an incoming advertising report will
         get dropped
 
+config BT_NIMBLE_HS_FLOW_CTRL
+    bool "Enable Host Flow control"
+    depends on BT_NIMBLE_ENABLED
+    default y
+    help
+        Enable Host Flow control
+
+config BT_NIMBLE_HS_FLOW_CTRL_ITVL
+    int "Host Flow control interval"
+    depends on BT_NIMBLE_HS_FLOW_CTRL
+    default 1000
+    help
+        Host flow control interval in msecs
+
+config BT_NIMBLE_HS_FLOW_CTRL_THRESH
+    int "Host Flow control threshold"
+    depends on BT_NIMBLE_HS_FLOW_CTRL
+    default 2
+    help
+        Host flow control threshold, if the number of free buffers are at or
+        below this threshold, send an immediate number-of-completed-packets
+        event
+
+config BT_NIMBLE_HS_FLOW_CTRL_TX_ON_DISCONNECT
+    bool "Host Flow control on disconnect"
+    depends on BT_NIMBLE_HS_FLOW_CTRL
+    default y
+    help
+        Enable this option to send number-of-completed-packets event to
+        controller after disconnection
+
 menuconfig BT_NIMBLE_MESH
     bool "Enable BLE mesh functionality"
     select BT_NIMBLE_SM_SC
diff --git a/components/bt/host/nimble/nimble b/components/bt/host/nimble/nimble
index 4a4be39495..664d3d73bd 160000
--- a/components/bt/host/nimble/nimble
+++ b/components/bt/host/nimble/nimble
@@ -1 +1 @@
-Subproject commit 4a4be394951942cb86b8ed3f779d0c6e733f6e6b
+Subproject commit 664d3d73bd4d6f8f57d46d6a1dc5d35429fb6563
diff --git a/components/bt/host/nimble/port/include/esp_nimble_cfg.h b/components/bt/host/nimble/port/include/esp_nimble_cfg.h
index 6f163202eb..e74948fe94 100644
--- a/components/bt/host/nimble/port/include/esp_nimble_cfg.h
+++ b/components/bt/host/nimble/port/include/esp_nimble_cfg.h
@@ -452,19 +452,23 @@
 #endif
 
 #ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL
+#ifdef CONFIG_BT_NIMBLE_HS_FLOW_CTRL
+#define MYNEWT_VAL_BLE_HS_FLOW_CTRL (1)
+#else
 #define MYNEWT_VAL_BLE_HS_FLOW_CTRL (0)
 #endif
+#endif
 
 #ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL_ITVL
-#define MYNEWT_VAL_BLE_HS_FLOW_CTRL_ITVL (1000)
+#define MYNEWT_VAL_BLE_HS_FLOW_CTRL_ITVL CONFIG_BT_NIMBLE_HS_FLOW_CTRL_ITVL
 #endif
 
 #ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL_THRESH
-#define MYNEWT_VAL_BLE_HS_FLOW_CTRL_THRESH (2)
+#define MYNEWT_VAL_BLE_HS_FLOW_CTRL_THRESH CONFIG_BT_NIMBLE_HS_FLOW_CTRL_THRESH
 #endif
 
 #ifndef MYNEWT_VAL_BLE_HS_FLOW_CTRL_TX_ON_DISCONNECT
-#define MYNEWT_VAL_BLE_HS_FLOW_CTRL_TX_ON_DISCONNECT (0)
+#define MYNEWT_VAL_BLE_HS_FLOW_CTRL_TX_ON_DISCONNECT CONFIG_BT_NIMBLE_FLOW_CTRL_TX_ON_DISCONNECT
 #endif
 
 #ifndef MYNEWT_VAL_BLE_HS_PHONY_HCI_ACKS
diff --git a/examples/bluetooth/nimble/blecent/main/main.c b/examples/bluetooth/nimble/blecent/main/main.c
index be179a0699..604ca3cacf 100644
--- a/examples/bluetooth/nimble/blecent/main/main.c
+++ b/examples/bluetooth/nimble/blecent/main/main.c
@@ -319,6 +319,7 @@ blecent_should_connect(const struct ble_gap_disc_desc *disc)
 static void
 blecent_connect_if_interesting(const struct ble_gap_disc_desc *disc)
 {
+    uint8_t own_addr_type;
     int rc;
 
     /* Don't do anything if we don't care about this advertiser. */
@@ -333,16 +334,23 @@ blecent_connect_if_interesting(const struct ble_gap_disc_desc *disc)
         return;
     }
 
+    /* Figure out address to use for connect (no privacy for now) */
+    rc = ble_hs_id_infer_auto(0, &own_addr_type);
+    if (rc != 0) {
+        MODLOG_DFLT(ERROR, "error determining address type; rc=%d\n", rc);
+        return;
+    }
+
     /* Try to connect the the advertiser.  Allow 30 seconds (30000 ms) for
      * timeout.
      */
 
-    rc = ble_gap_connect(BLE_OWN_ADDR_PUBLIC, &disc->addr, 30000, NULL,
+    rc = ble_gap_connect(own_addr_type, &disc->addr, 30000, NULL,
                          blecent_gap_event, NULL);
     if (rc != 0) {
         MODLOG_DFLT(ERROR, "Error: Failed to connect to device; addr_type=%d "
-                    "addr=%s\n",
-                    disc->addr.type, addr_str(disc->addr.val));
+                    "addr=%s; rc=%d\n",
+                    disc->addr.type, addr_str(disc->addr.val), rc);
         return;
     }
 }