MTU: Setting of MTU on software interface (instead of hardware interface)
[vpp.git] / src / vnet / ipip / ipip.c
index 82c961c..9b808d4 100644 (file)
@@ -476,17 +476,16 @@ ipip_add_tunnel (ipip_transport_t transport,
     {
       vec_validate (im4->fib_index_by_sw_if_index, sw_if_index);
       hi->min_packet_bytes = 64 + sizeof (ip4_header_t);
+      hi->max_packet_bytes = 65536 - sizeof (ip4_header_t);
     }
   else
     {
       vec_validate (im6->fib_index_by_sw_if_index, sw_if_index);
       hi->min_packet_bytes = 64 + sizeof (ip6_header_t);
+      hi->max_packet_bytes = 65536 - sizeof (ip6_header_t);
     }
 
-  hi->per_packet_overhead_bytes = /* preamble */ 8 + /* inter frame gap */ 12;
-
-  /* Standard default ipip MTU. */
-  hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] = 9000;
+  vnet_sw_interface_set_mtu (vnm, sw_if_index, hi->max_packet_bytes);
 
   t->tunnel_src = *src;
   t->tunnel_dst = *dst;