fib: support "midchain delegate" removal

[vpp.git] / src / vnet / adj / adj_midchain_delegate.c

diff --git a/src/vnet/adj/adj_midchain_delegate.c b/src/vnet/adj/adj_midchain_delegate.c
index 9e78843..de57442 100644 (file)
--- a/src/vnet/adj/adj_midchain_delegate.c
+++ b/src/vnet/adj/adj_midchain_delegate.c
@@ -131,6 +131,32 @@ adj_midchain_delegate_stack (adj_index_t ai,
     adj_midchain_delegate_restack_i(ai, amd);
 }
 
+void
+adj_midchain_delegate_remove (adj_index_t ai)
+{
+    adj_midchain_delegate_t *amd;
+    ip_adjacency_t *adj;
+    adj_delegate_t *ad;
+
+    /*
+     * if there's a delegate, it can be removed
+     */
+    adj = adj_get(ai);
+    ad = adj_delegate_get(adj, ADJ_DELEGATE_MIDCHAIN);
+
+    if (NULL != ad)
+    {
+        adj_nbr_midchain_unstack(ai);
+
+        adj_delegate_remove (ai, ADJ_DELEGATE_MIDCHAIN);
+
+        amd = pool_elt_at_index(amd_pool, ad->ad_index);
+        fib_entry_untrack(amd->amd_fei, amd->amd_sibling);
+
+        pool_put(amd_pool, amd);
+    }
+}
+
 void
 adj_midchain_delegate_unstack (adj_index_t ai)
 {