Improve MTU handling

[vpp.git] / src / vnet / adj / adj.h

diff --git a/src/vnet/adj/adj.h b/src/vnet/adj/adj.h
index ed5eb1f..bcf6c04 100644 (file)
--- a/src/vnet/adj/adj.h
+++ b/src/vnet/adj/adj.h
@@ -141,7 +141,8 @@ struct ip_adjacency_t_;
  */
 typedef void (*adj_midchain_fixup_t) (vlib_main_t * vm,
                                      struct ip_adjacency_t_ * adj,
-                                     vlib_buffer_t * b0);
+                                     vlib_buffer_t * b0,
+                                      const void *data);
 
 /**
  * @brief Flags on an IP adjacency
@@ -242,6 +243,10 @@ typedef struct ip_adjacency_t_
        * A function to perform the post-rewrite fixup
        */
       adj_midchain_fixup_t fixup_func;
+      /**
+       * Fixup data passed back to the client in the fixup function
+       */
+      const void *fixup_data;
     } midchain;
     /**
      * IP_LOOKUP_NEXT_GLEAN
@@ -339,6 +344,12 @@ 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