X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fipip%2Fipip.c;h=718463d735217319cb86de01262a528dfad043de;hb=282093f1fe783b5d36a014d4495995cd64e2e3fb;hp=c39d27d5e4f474dfa34e6c3fefc348c948fad71a;hpb=d57f63698f99fad0288ac040d83b3ecd380d4bfd;p=vpp.git

diff --git a/src/vnet/ipip/ipip.c b/src/vnet/ipip/ipip.c
index c39d27d5e4f..718463d7352 100644
--- a/src/vnet/ipip/ipip.c
+++ b/src/vnet/ipip/ipip.c
@@ -138,6 +138,10 @@ ipip6_fixup (vlib_main_t * vm, ip_adjacency_t * adj, vlib_buffer_t * b,
   ip6_header_t *ip6;
   const ipip_tunnel_t *t = data;
 
+  /* Must set locally originated otherwise we're not allowed to
+     fragment the packet later */
+  b->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
+
   ip6 = vlib_buffer_get_current (b);
   ip6->payload_length =
     clib_host_to_net_u16 (vlib_buffer_length_in_chain (vm, b) -
@@ -355,7 +359,7 @@ ipip_tunnel_t *
 ipip_tunnel_db_find_by_sw_if_index (u32 sw_if_index)
 {
   ipip_main_t *gm = &ipip_main;
-  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)
     return NULL;
   u32 ti = gm->tunnel_index_by_sw_if_index[sw_if_index];
   if (ti == ~0)
@@ -526,10 +530,8 @@ ipip_add_tunnel (ipip_transport_t transport,
       hi->min_packet_bytes = 64 + 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, 9000);
 
   t->tunnel_src = *src;
   t->tunnel_dst = *dst;