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-rw-r--r--src/vnet/adj/adj.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/src/vnet/adj/adj.h b/src/vnet/adj/adj.h
index fe77d1634e0..bcf6c041209 100644
--- a/src/vnet/adj/adj.h
+++ b/src/vnet/adj/adj.h
@@ -345,6 +345,12 @@ extern const u8* adj_get_rewrite (adj_index_t ai);
extern void adj_feature_update (u32 sw_if_index, u8 arc_index, u8 is_enable);
/**
+ * @brief Notify the adjacency subsystem that the MTU settings for
+ * an HW interface have changed
+ */
+extern void adj_mtu_update (u32 hw_if_index);
+
+/**
* @brief
* The global adjacnecy pool. Exposed for fast/inline data-plane access
*/