IPIP and IPv6 fragmentation

[vpp.git] / src / vnet / ipip / ipip.c

diff --git a/src/vnet/ipip/ipip.c b/src/vnet/ipip/ipip.c
index a47704a..718463d 100644 (file)
--- 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)