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+/*
+ * Copyright (c) 2018 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.
+ */
+
+#ifndef __GBP_POLICY_DPO_H__
+#define __GBP_POLICY_DPO_H__
+
+#include <vnet/dpo/dpo.h>
+#include <vnet/dpo/load_balance.h>
+#include <vnet/fib/ip4_fib.h>
+#include <vnet/fib/ip6_fib.h>
+
+/**
+ * @brief
+ * The GBP FWD DPO. Used in the L3 path to select the correct EPG uplink
+ * based on the source EPG.
+ */
+typedef struct gbp_policy_dpo_t_
+{
+ CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+
+ /**
+ * The protocol of packets using this DPO
+ */
+ dpo_proto_t gpd_proto;
+
+ /**
+ * SClass
+ */
+ sclass_t gpd_sclass;
+
+ /**
+ * sclass scope
+ */
+ gbp_scope_t gpd_scope;
+
+ /**
+ * output sw_if_index
+ */
+ u32 gpd_sw_if_index;
+
+ /**
+ * number of locks.
+ */
+ u16 gpd_locks;
+
+ /**
+ * Stacked DPO on DVR/ADJ of output interface
+ */
+ dpo_id_t gpd_dpo;
+} gbp_policy_dpo_t;
+
+extern void gbp_policy_dpo_add_or_lock (dpo_proto_t dproto,
+ gbp_scope_t scope,
+ sclass_t sclass,
+ u32 sw_if_index, dpo_id_t * dpo);
+
+extern dpo_type_t gbp_policy_dpo_get_type (void);
+
+extern vlib_node_registration_t ip4_gbp_policy_dpo_node;
+extern vlib_node_registration_t ip6_gbp_policy_dpo_node;
+extern vlib_node_registration_t gbp_policy_port_node;
+
+/**
+ * Types exposed for the Data-plane
+ */
+extern dpo_type_t gbp_policy_dpo_type;
+extern gbp_policy_dpo_t *gbp_policy_dpo_pool;
+
+always_inline gbp_policy_dpo_t *
+gbp_policy_dpo_get (index_t index)
+{
+ return (pool_elt_at_index (gbp_policy_dpo_pool, index));
+}
+
+static_always_inline const gbp_policy_dpo_t *
+gbp_classify_get_gpd (const ip4_address_t * ip4, const ip6_address_t * ip6,
+ const u32 fib_index)
+{
+ const gbp_policy_dpo_t *gpd;
+ const dpo_id_t *dpo;
+ const load_balance_t *lb;
+ u32 lbi;
+
+ if (ip4)
+ lbi = ip4_fib_forwarding_lookup (fib_index, ip4);
+ else if (ip6)
+ lbi = ip6_fib_table_fwding_lookup (fib_index, ip6);
+ else
+ return 0;
+
+ lb = load_balance_get (lbi);
+ dpo = load_balance_get_bucket_i (lb, 0);
+
+ if (dpo->dpoi_type != gbp_policy_dpo_type)
+ return 0;
+
+ gpd = gbp_policy_dpo_get (dpo->dpoi_index);
+ return gpd;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
+
+#endif