- return (vnet_hw_interface_get_flags (vnm, hw_if_index) &
- VNET_HW_INTERFACE_FLAG_LINK_UP) != 0;
+ return ((vnet_hw_interface_get_flags (vnm, hw_if_index) &
+ VNET_HW_INTERFACE_FLAG_LINK_UP) != 0);
+}
+
+always_inline uword
+vnet_sw_interface_is_link_up (vnet_main_t * vnm, u32 sw_if_index)
+{
+ vnet_sw_interface_t *sw = vnet_get_sup_sw_interface (vnm, sw_if_index);
+
+ return (vnet_hw_interface_is_link_up (vnm, sw->hw_if_index));
+}
+
+always_inline uword
+vnet_sw_interface_is_up (vnet_main_t * vnm, u32 sw_if_index)
+{
+ return (vnet_sw_interface_is_admin_up (vnm, sw_if_index) &&
+ vnet_sw_interface_is_link_up (vnm, sw_if_index));