[HICN-574] Host stack plugin for VPP.

Signed-off-by: Mauro Sardara <msardara@cisco.com>
Change-Id: I8d8fdffef31a7013265d6529c5f52f3d5ec70d18
Signed-off-by: Mauro Sardara <msardara@cisco.com>
Signed-off-by: Mauro <you@example.com>
Signed-off-by: Mauro Sardara <msardara@cisco.com>

1 files changed, 90 insertions, 0 deletions

diff --git a/hicn-plugin/src/host_stack/producer_dpo.c b/hicn-plugin/src/host_stack/producer_dpo.c
new file mode 100644
index 000000000..c7b77705d
--- /dev/null
+++ b/hicn-plugin/src/host_stack/producer_dpo.c
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2020 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 "producer_dpo.h"
+#include "host_stack.h"
+
+#include <vnet/ip/format.h>
+#include <vnet/adj/adj.h>
+#include <vnet/vnet.h>
+#include <vlib/vlib.h>
+
+dpo_type_t hicn_hs_dpo_type;
+
+const static char *const hicn_hs_prod_dpo4_nodes[] = {
+  "hicn_hs-input4",
+  NULL,
+};
+
+const static char *const hicn_hs_prod_dpo6_nodes[] = {
+  "hicn_hs-input6",
+  NULL,
+};
+
+const static char *const *const hicn_hs_prod_dpo_nodes[DPO_PROTO_NUM] = {
+  [DPO_PROTO_IP4] = hicn_hs_prod_dpo4_nodes,
+  [DPO_PROTO_IP6] = hicn_hs_prod_dpo6_nodes
+};
+
+void hicn_hs_prod_dpo_lock(dpo_id_t *dpo)
+{
+  return;
+}
+
+void hicn_hs_prod_dpo_unlock(dpo_id_t *dpo)
+{
+  return;
+}
+
+u8 *format_hicn_hs_prod_dpo (u8 * s, va_list * args)
+{
+  return s;
+}
+
+const static dpo_vft_t hicn_hs_prod_dpo_vft = {
+  .dv_lock = hicn_hs_prod_dpo_lock,
+  .dv_unlock = hicn_hs_prod_dpo_unlock,
+  .dv_format = format_hicn_hs_prod_dpo,
+};
+
+/**
+ * Register the new DPO type.
+ */
+void hicn_hs_dpo_module_init(void)
+{
+  hicn_hs_dpo_type = dpo_register_new_type (&hicn_hs_prod_dpo_vft, hicn_hs_prod_dpo_nodes);
+}
+
+int dpo_is_hicn_hs(const dpo_id_t *dpo)
+{
+  return dpo->dpoi_type == hicn_hs_dpo_type;
+}
+
+u32 hicn_hs_dpo_create(u32 hicn_hs_ctx_idx, u8 is_ip4, dpo_id_t *dpo)
+{
+  dpo->dpoi_type = DPO_FIRST;
+  dpo->dpoi_proto = DPO_PROTO_NONE;
+  dpo->dpoi_index = INDEX_INVALID;
+  dpo->dpoi_next_node = 0;
+
+  u16 next_node = is_ip4 ? hicn_hs_input4_node.index : hicn_hs_input6_node.index;
+  
+  index_t dpoi_index = hicn_hs_ctx_idx;
+  dpo_set(dpo, hicn_hs_dpo_type, is_ip4 ? DPO_PROTO_IP4 : DPO_PROTO_IP6, dpoi_index);
+  dpo->dpoi_next_node = next_node;
+  dpo_unlock (dpo);
+
+  return HICN_HS_ERROR_NONE;
+}