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-rw-r--r--src/vnet/adj/adj_midchain.h5
-rw-r--r--src/vnet/adj/adj_midchain_delegate.c26
2 files changed, 31 insertions, 0 deletions
diff --git a/src/vnet/adj/adj_midchain.h b/src/vnet/adj/adj_midchain.h
index 85294122f08..eee8c99ae40 100644
--- a/src/vnet/adj/adj_midchain.h
+++ b/src/vnet/adj/adj_midchain.h
@@ -160,6 +160,11 @@ extern void adj_midchain_delegate_restack(adj_index_t ai);
*/
extern void adj_midchain_delegate_unstack(adj_index_t ai);
+/**
+ * @brief remove a midchain delegate (this stacks it on a drop)
+ */
+extern void adj_midchain_delegate_remove (adj_index_t ai);
+
extern u8 adj_is_midchain (adj_index_t ai);
#endif
diff --git a/src/vnet/adj/adj_midchain_delegate.c b/src/vnet/adj/adj_midchain_delegate.c
index 9e788432640..de57442ac9b 100644
--- a/src/vnet/adj/adj_midchain_delegate.c
+++ b/src/vnet/adj/adj_midchain_delegate.c
@@ -132,6 +132,32 @@ adj_midchain_delegate_stack (adj_index_t ai,
}
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)
{
adj_nbr_midchain_unstack(ai);