+ /* Number of extra bytes that go on the wire.
+ Packet length on wire
+ = max (length + per_packet_overhead_bytes, min_packet_bytes). */
+ u32 per_packet_overhead_bytes;
+
+ /* Receive and transmit layer 3 packet size limits (MRU/MTU). */
+ u32 max_l3_packet_bytes[VLIB_N_RX_TX];
+