rx-placement: Add API call for interface rx-placement

Change-Id: I9228ce29e9d2fc862a2d076b4072bcdd728d6dd1
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
diff --git a/src/vnet/interface_funcs.h b/src/vnet/interface_funcs.h
index a8a41e3..557ed14 100644
--- a/src/vnet/interface_funcs.h
+++ b/src/vnet/interface_funcs.h
@@ -354,6 +354,10 @@
 					       vnet_hw_interface_rx_mode
 					       mode);
 
+/* Set rx-placement on the interface */
+clib_error_t *set_hw_interface_rx_placement (u32 hw_if_index, u32 queue_id,
+					     u32 thread_index, u8 is_main);
+
 /* Set the MTU on the HW interface */
 void vnet_hw_interface_set_mtu (vnet_main_t * vnm, u32 hw_if_index, u32 mtu);