MTU: Software interface / Per-protocol MTU support

[vpp.git] / src / vnet / gre / interface.c

diff --git a/src/vnet/gre/interface.c b/src/vnet/gre/interface.c
index 97c4f16..0822cd7 100644 (file)
--- a/src/vnet/gre/interface.c
+++ b/src/vnet/gre/interface.c
@@ -309,9 +309,11 @@ vnet_gre_tunnel_add (vnet_gre_add_del_tunnel_args_t * a,
   else
     {
       /* Default MAC address (d00b:eed0:0000 + sw_if_index) */
-      u8 address[6] = { 0xd0, 0x0b, 0xee, 0xd0, (u8) t_idx >> 8, (u8) t_idx };
-      error = ethernet_register_interface (vnm, gre_device_class.index, t_idx,
-                                          address, &hw_if_index, 0);
+      u8 address[6] =
+       { 0xd0, 0x0b, 0xee, 0xd0, (u8) (t_idx >> 8), (u8) t_idx };
+      error =
+       ethernet_register_interface (vnm, gre_device_class.index, t_idx,
+                                    address, &hw_if_index, 0);
       if (error)
        {
          clib_error_report (error);
@@ -346,11 +348,8 @@ vnet_gre_tunnel_add (vnet_gre_add_del_tunnel_args_t * a,
        64 + sizeof (gre_header_t) + sizeof (ip6_header_t);
     }
 
-  hi->per_packet_overhead_bytes =
-    /* preamble */ 8 + /* inter frame gap */ 12;
-
   /* Standard default gre 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, 9000);
 
   /*
    * source the FIB entry for the tunnel's destination