X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fvnet%2Fadj%2Fadj_delegate.h;h=d49c6661c192a1d8d347b5982982ad92b44e3d32;hb=282872127bbeee6ae59ab3f885c09bad601ee0cc;hp=c47380012f1576822b16d144719cea03eaf3b54e;hpb=76447a740a6989db08dcd0fcbd066b193a875177;p=vpp.git

diff --git a/src/vnet/adj/adj_delegate.h b/src/vnet/adj/adj_delegate.h
index c47380012f1..d49c6661c19 100644
--- a/src/vnet/adj/adj_delegate.h
+++ b/src/vnet/adj/adj_delegate.h
@@ -36,8 +36,14 @@ typedef enum adj_delegate_type_t_ {
      * BFD session state
      */
     ADJ_DELEGATE_BFD,
+    /**
+     * Stacking of a midchain's nexthop
+     */
+    ADJ_DELEGATE_MIDCHAIN,
 } adj_delegate_type_t;
 
+#define ADJ_DELEGATE_LAST (ADJ_DELEGATE_MIDCHAIN)
+
 /**
  * Adj delegate. This object is attached to the adjacency.
  */
@@ -71,12 +77,18 @@ typedef void (*adj_delegate_adj_deleted_t)(adj_delegate_t *aed);
  */
 typedef u8 * (*adj_delegate_format_t)(const adj_delegate_t *aed, u8 *s);
 
+/**
+ * Notification that an adjacency has been created
+ */
+typedef void (*adj_delegate_adj_created_t)(adj_index_t ai);
+
 /**
  * An ADJ delegate virtual function table
  */
 typedef struct adj_delegate_vft_t_ {
     adj_delegate_format_t adv_format;
     adj_delegate_adj_deleted_t adv_adj_deleted;
+    adj_delegate_adj_created_t adv_adj_created;
 } adj_delegate_vft_t;
 
 /**
@@ -99,7 +111,6 @@ extern int adj_delegate_add(ip_adjacency_t *adj,
                             adj_delegate_type_t fdt,
                             index_t adi);
 
-
 /**
  * @brief Get a delegate from an adjacency
  *