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-rw-r--r--src/vnet/adj/adj_rewrite.c53
1 files changed, 53 insertions, 0 deletions
diff --git a/src/vnet/adj/adj_rewrite.c b/src/vnet/adj/adj_rewrite.c
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+++ b/src/vnet/adj/adj_rewrite.c
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+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/adj/adj.h>
+#include <vnet/adj/adj_internal.h>
+
+/**
+ * adj_rewrite_add_and_lock
+ *
+ * A rewrite sub-type has the rewrite string provided, but no key
+ */
+adj_index_t
+adj_rewrite_add_and_lock (fib_protocol_t nh_proto,
+ vnet_link_t link_type,
+ u32 sw_if_index,
+ u8 *rewrite)
+{
+ ip_adjacency_t *adj;
+
+ adj = adj_alloc(nh_proto);
+
+ adj->lookup_next_index = IP_LOOKUP_NEXT_REWRITE;
+ memset(&adj->sub_type.nbr.next_hop, 0, sizeof(adj->sub_type.nbr.next_hop));
+ adj->ia_link = link_type;
+ adj->ia_nh_proto = nh_proto;
+ adj->rewrite_header.sw_if_index = sw_if_index;
+
+ ASSERT(NULL != rewrite);
+
+ vnet_rewrite_for_sw_interface(vnet_get_main(),
+ link_type,
+ adj->rewrite_header.sw_if_index,
+ adj_get_rewrite_node(link_type),
+ rewrite,
+ &adj->rewrite_header,
+ sizeof (adj->rewrite_data));
+
+ adj_lock(adj_get_index(adj));
+
+ return (adj_get_index(adj));
+}