ip: ensure ttl doesn't decrease to 0 when punting

Change-Id: I248ef12fd34ea2a1c383fbcc530a8ffeb31ba92b
Type: fix
Signed-off-by: Aloys Augustin <aloaugus@cisco.com>

diff --git a/src/vnet/ip/ip_punt_drop.h b/src/vnet/ip/ip_punt_drop.h
index 16d46ba..a595e44 100644 (file)
--- a/src/vnet/ip/ip_punt_drop.h
+++ b/src/vnet/ip/ip_punt_drop.h
@@ -349,6 +349,8 @@ ip_punt_redirect (vlib_main_t * vm,
 
          if (PREDICT_TRUE (INDEX_INVALID != rrxi0))
            {
+             /* prevent ttl decrement on forward */
+             b0->flags |= VNET_BUFFER_F_LOCALLY_ORIGINATED;
              rrx0 = ip_punt_redirect_get (rrxi0);
              vnet_buffer (b0)->ip.adj_index[VLIB_TX] = rrx0->dpo.dpoi_index;
              next0 = rrx0->dpo.dpoi_next_node;