ip: Path MTU

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

diff --git a/src/vnet/dpo/dpo.c b/src/vnet/dpo/dpo.c
index 1331b55..d8342ff 100644 (file)
--- a/src/vnet/dpo/dpo.c
+++ b/src/vnet/dpo/dpo.c
@@ -23,6 +23,8 @@
  * The VLIB graph nodes are graph of types, the DPO graph is a graph of instances.
  */
 
+// clang-format off
+
 #include <vnet/dpo/dpo.h>
 #include <vnet/ip/lookup.h>
 #include <vnet/ip/format.h>
@@ -395,6 +397,18 @@ dpo_get_urpf(const dpo_id_t *dpo)
     return (~0);
 }
 
+u16
+dpo_get_mtu(const dpo_id_t *dpo)
+{
+    if (dpo_id_is_valid(dpo) &&
+        (NULL != dpo_vfts[dpo->dpoi_type].dv_get_mtu))
+    {
+        return (dpo_vfts[dpo->dpoi_type].dv_get_mtu(dpo));
+    }
+
+    return (0xffff);
+}
+
 static u32
 dpo_get_next_node (dpo_type_t child_type,
                    dpo_proto_t child_proto,
@@ -649,3 +663,5 @@ VLIB_CLI_COMMAND (show_fib_memory, static) = {
     .short_help = "show dpo memory",
 };
 /* *INDENT-ON* */
+
+// clang-format on