X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fgre%2Finterface.c;h=70c6c4df3b34f4c802c4f09be38a2380bedf61a9;hb=cd30774fa9280736ffaea3e9a51948593e8eebc2;hp=97c4f1643d9931793e18d20bcad2b3c940a60aef;hpb=a43ccaefc3bd50c03c90f7c3bee02eac9709df56;p=vpp.git

diff --git a/src/vnet/gre/interface.c b/src/vnet/gre/interface.c
index 97c4f1643d9..70c6c4df3b3 100644
--- a/src/vnet/gre/interface.c
+++ b/src/vnet/gre/interface.c
@@ -135,7 +135,7 @@ gre_tunnel_stack (adj_index_t ai)
   adj = adj_get (ai);
   sw_if_index = adj->rewrite_header.sw_if_index;
 
-  if ((vec_len (gm->tunnel_index_by_sw_if_index) < sw_if_index) ||
+  if ((vec_len (gm->tunnel_index_by_sw_if_index) <= sw_if_index) ||
       (~0 == gm->tunnel_index_by_sw_if_index[sw_if_index]))
     return;
 
@@ -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