- return format (s, "%U",
- format_vnet_sw_interface_name, vnm,
- vnet_get_sw_interface (vnm, sw_if_index));
+ vnet_sw_interface_t *si;
+
+ si = vnet_get_sw_interface_safe (vnm, sw_if_index);
+
+ if (NULL == si)
+ {
+ return format (s, "DELETED");
+ }
+ return format (s, "%U", format_vnet_sw_interface_name, vnm, si);
+}
+
+u8 *
+format_vnet_hw_if_index_name (u8 * s, va_list * args)
+{
+ vnet_main_t *vnm = va_arg (*args, vnet_main_t *);
+ u32 hw_if_index = va_arg (*args, u32);
+ vnet_hw_interface_t *hi;
+
+ hi = vnet_get_hw_interface (vnm, hw_if_index);
+
+ if (hi == 0)
+ return format (s, "DELETED");
+
+ return format (s, "%v", hi->name);