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-rw-r--r--src/vnet/dpo/dpo.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/vnet/dpo/dpo.h b/src/vnet/dpo/dpo.h
index ee4990d0058..e9976c2dd87 100644
--- a/src/vnet/dpo/dpo.h
+++ b/src/vnet/dpo/dpo.h
@@ -24,6 +24,8 @@
* instances.
*/
+// clang-format off
+
#ifndef __DPO_H__
#define __DPO_H__
@@ -362,6 +364,16 @@ extern void dpo_stack_from_node(u32 child_node,
extern u32 dpo_get_urpf(const dpo_id_t *dpo);
/**
+ * Get the MTU DPO
+ *
+ * @param dpo
+ * The DPO from which to get the MTU
+ *
+ * @return MTU (0xffff if something more usefull was unavailable)
+ */
+extern u16 dpo_get_mtu(const dpo_id_t *dpo);
+
+/**
* @brief A lock function registered for a DPO type
*/
typedef void (*dpo_lock_fn_t)(dpo_id_t *dpo);
@@ -389,6 +401,11 @@ typedef u32* (*dpo_get_next_node_t)(const dpo_id_t *dpo);
typedef u32 (*dpo_get_urpf_t)(const dpo_id_t *dpo);
/**
+ * @brief Given a DPO instance return the MTU
+ */
+typedef u16 (*dpo_get_mtu_t)(const dpo_id_t *dpo);
+
+/**
* @brief Called during FIB interposition when the originally
* registered DPO is used to 'clone' an instance for interposition
* at a particular location in the FIB graph.
@@ -433,6 +450,10 @@ typedef struct dpo_vft_t_
*/
dpo_get_urpf_t dv_get_urpf;
/**
+ * Get MTU
+ */
+ dpo_get_mtu_t dv_get_mtu;
+ /**
* Signal on an interposed child that the parent has changed
*/
dpo_mk_interpose_t dv_mk_interpose;
@@ -548,3 +569,5 @@ do { \
if ((YESNO)) vlib_worker_thread_barrier_release((VM));
#endif
+
+// clang-format on