1 files changed, 122 insertions, 0 deletions
diff --git a/src/plugins/lisp/lisp-cp/lisp_cp_dpo.c b/src/plugins/lisp/lisp-cp/lisp_cp_dpo.c
new file mode 100644
index 00000000000..bbb0ee3b6dc
--- /dev/null
+++ b/src/plugins/lisp/lisp-cp/lisp_cp_dpo.c
@@ -0,0 +1,122 @@
+/*
+ * 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/dpo/dpo.h>
+#include <lisp/lisp-gpe/lisp_gpe.h>
+#include <lisp/lisp-cp/control.h>
+
+/**
+ * The static array of LISP punt DPOs
+ */
+static dpo_id_t lisp_cp_dpos[DPO_PROTO_NUM];
+
+const dpo_id_t *
+lisp_cp_dpo_get (dpo_proto_t proto)
+{
+  /*
+   * there are only two instances of this DPO type.
+   * we can use the protocol as the index
+   */
+  return (&lisp_cp_dpos[proto]);
+}
+
+static u8 *
+format_lisp_cp_dpo (u8 * s, va_list * args)
+{
+  index_t index = va_arg (*args, index_t);
+  CLIB_UNUSED (u32 indent) = va_arg (*args, u32);
+
+  return (format (s, "lisp-cp-punt-%U", format_dpo_proto, index));
+}
+
+static void
+lisp_cp_dpo_lock (dpo_id_t * dpo)
+{
+}
+
+static void
+lisp_cp_dpo_unlock (dpo_id_t * dpo)
+{
+}
+
+const static dpo_vft_t lisp_cp_vft = {
+  .dv_lock = lisp_cp_dpo_lock,
+  .dv_unlock = lisp_cp_dpo_unlock,
+  .dv_format = format_lisp_cp_dpo,
+};
+
+/**
+ * @brief The per-protocol VLIB graph nodes that are assigned to a LISP-CP
+ *        object.
+ *
+ * this means that these graph nodes are ones from which a LISP-CP is the
+ * parent object in the DPO-graph.
+ */
+const static char *const lisp_cp_ip4_nodes[] = {
+  "lisp-cp-lookup-ip4",
+  NULL,
+};
+
+const static char *const lisp_cp_ip6_nodes[] = {
+  "lisp-cp-lookup-ip6",
+  NULL,
+};
+
+const static char *const lisp_cp_ethernet_nodes[] = {
+  "lisp-cp-lookup-l2",
+  NULL,
+};
+
+const static char *const lisp_cp_nsh_nodes[] = {
+  "lisp-cp-lookup-nsh",
+  NULL,
+};
+
+const static char *const *const lisp_cp_nodes[DPO_PROTO_NUM] = {
+  [DPO_PROTO_IP4] = lisp_cp_ip4_nodes,
+  [DPO_PROTO_IP6] = lisp_cp_ip6_nodes,
+  [DPO_PROTO_ETHERNET] = lisp_cp_ethernet_nodes,
+  [DPO_PROTO_MPLS] = NULL,
+  [DPO_PROTO_NSH] = lisp_cp_nsh_nodes,
+};
+
+clib_error_t *
+lisp_cp_dpo_module_init (vlib_main_t * vm)
+{
+  dpo_proto_t dproto;
+
+  /*
+   * there are no exit arcs from the LIS-CP VLIB node, so we
+   * pass NULL as said node array.
+   */
+  dpo_register (DPO_LISP_CP, &lisp_cp_vft, lisp_cp_nodes);
+
+  FOR_EACH_DPO_PROTO (dproto)
+  {
+    dpo_set (&lisp_cp_dpos[dproto], DPO_LISP_CP, dproto, dproto);
+  }
+
+  return (NULL);
+}
+
+VLIB_INIT_FUNCTION (lisp_cp_dpo_module_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */