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-rw-r--r--vnet/vnet/fib/fib_entry_src.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/vnet/vnet/fib/fib_entry_src.c b/vnet/vnet/fib/fib_entry_src.c
index 66bb3df2843..2cbdf187c05 100644
--- a/vnet/vnet/fib/fib_entry_src.c
+++ b/vnet/vnet/fib/fib_entry_src.c
@@ -745,6 +745,56 @@ fib_entry_src_action_add (fib_entry_t *fib_entry,
return (fib_entry);
}
+/*
+ * fib_entry_src_action_update
+ *
+ * Adding a source can result in a new fib_entry being created, which
+ * can inturn mean the pool is realloc'd and thus the entry passed as
+ * an argument it also realloc'd
+ * @return the original entry
+ */
+fib_entry_t *
+fib_entry_src_action_update (fib_entry_t *fib_entry,
+ fib_source_t source,
+ fib_entry_flag_t flags,
+ const dpo_id_t *dpo)
+{
+ fib_node_index_t fib_entry_index, old_path_list_index;
+ fib_entry_src_t *esrc;
+
+ esrc = fib_entry_src_find_or_create(fib_entry, source, NULL);
+
+ if (NULL == esrc)
+ return (fib_entry_src_action_add(fib_entry, source, flags, dpo));
+
+ old_path_list_index = esrc->fes_pl;
+ esrc->fes_entry_flags = flags;
+
+ /*
+ * save variable so we can recover from a fib_entry realloc.
+ */
+ fib_entry_index = fib_entry_get_index(fib_entry);
+
+ if (NULL != fib_entry_src_vft[source].fesv_add)
+ {
+ fib_entry_src_vft[source].fesv_add(esrc,
+ fib_entry,
+ flags,
+ fib_entry_get_proto(fib_entry),
+ dpo);
+ }
+
+ fib_entry = fib_entry_get(fib_entry_index);
+
+ esrc->fes_flags |= FIB_ENTRY_SRC_FLAG_ADDED;
+
+ fib_path_list_lock(esrc->fes_pl);
+ fib_path_list_unlock(old_path_list_index);
+
+ return (fib_entry);
+}
+
+
fib_entry_src_flag_t
fib_entry_src_action_remove (fib_entry_t *fib_entry,
fib_source_t source)