Allow interface types to override glean adjacency behaivour

update the glean adj on a local interface MAC change

Change-Id: Ia5c5cde424ed0fea3431532cc5abf22b364bbab5
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 19 insertions, 0 deletions

diff --git a/src/vnet/adj/adj_glean.h b/src/vnet/adj/adj_glean.h
index 640bd2f91eb..47cddfbed2b 100644
--- a/src/vnet/adj/adj_glean.h
+++ b/src/vnet/adj/adj_glean.h
@@ -48,6 +48,25 @@ extern adj_index_t adj_glean_add_or_lock(fib_protocol_t proto,
 					 const ip46_address_t *nh_addr);
 
 /**
+ * @brief Get an existing glean
+ *
+ * @return INVALID if it does not exist
+ */
+extern adj_index_t adj_glean_get(fib_protocol_t proto,
+                                 u32 sw_if_index);
+
+/**
+ * adj_glean_update_rewrite
+ *
+ * Called by an adjacency provider (an interface type) to configure
+ * a glean adj (i.e. and adjacency linked to a connected prefix) to
+ * its default behaviour.
+ * Other interface types (i.e. 6RD tunnels) can can choose not to use
+ * glean behaviour on an adjacency liked to a connected prefix.
+ */
+extern void adj_glean_update_rewrite(adj_index_t adj_index);
+
+/**
  * @brief Format/display a glean adjacency.
  */
 extern u8* format_adj_glean(u8* s, va_list *ap);