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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_ENDPOINT_GROUP_H__
+#define __GBP_ENDPOINT_GROUP_H__
+
+#include <plugins/gbp/gbp_types.h>
+#include <plugins/gbp/gbp_itf.h>
+
+#include <vnet/fib/fib_types.h>
+
+/**
+ * Endpoint Retnetion Policy
+ */
+typedef struct gbp_endpoint_retention_t_
+{
+ /** Aging timeout for remote endpoints */
+ u32 remote_ep_timeout;
+} gbp_endpoint_retention_t;
+
+/**
+ * An Endpoint Group representation
+ */
+typedef struct gpb_endpoint_group_t_
+{
+ /**
+ * ID
+ */
+ vnid_t gg_vnid;
+
+ /**
+ * Sclass. Could be unset => ~0
+ */
+ u16 gg_sclass;
+
+ /**
+ * Bridge-domain ID the EPG is in
+ */
+ index_t gg_gbd;
+
+ /**
+ * route-domain/IP-table ID the EPG is in
+ */
+ index_t gg_rd;
+
+ /**
+ * Is the EPG an external/NAT
+ */
+ u8 gg_is_ext;
+
+ /**
+ * the uplink interface dedicated to the EPG
+ */
+ u32 gg_uplink_sw_if_index;
+ gbp_itf_hdl_t gg_uplink_itf;
+
+ /**
+ * The DPO used in the L3 path for forwarding internal subnets
+ */
+ dpo_id_t gg_dpo[FIB_PROTOCOL_IP_MAX];
+
+ /**
+ * Locks/references to this EPG
+ */
+ u32 gg_locks;
+
+ /**
+ * EP retention policy
+ */
+ gbp_endpoint_retention_t gg_retention;
+} gbp_endpoint_group_t;
+
+/**
+ * EPG DB, key'd on EGP-ID
+ */
+typedef struct gbp_endpoint_group_db_t_
+{
+ uword *gg_hash_sclass;
+} gbp_endpoint_group_db_t;
+
+extern int gbp_endpoint_group_add_and_lock (vnid_t vnid,
+ u16 sclass,
+ u32 bd_id,
+ u32 rd_id,
+ u32 uplink_sw_if_index,
+ const gbp_endpoint_retention_t *
+ retention);
+extern index_t gbp_endpoint_group_find (sclass_t sclass);
+extern int gbp_endpoint_group_delete (sclass_t sclass);
+extern void gbp_endpoint_group_unlock (index_t index);
+extern void gbp_endpoint_group_lock (index_t index);
+extern u32 gbp_endpoint_group_get_bd_id (const gbp_endpoint_group_t *);
+
+extern gbp_endpoint_group_t *gbp_endpoint_group_get (index_t i);
+extern index_t gbp_endpoint_group_get_fib_index (const gbp_endpoint_group_t *
+ gg, fib_protocol_t fproto);
+
+typedef int (*gbp_endpoint_group_cb_t) (gbp_endpoint_group_t * gbpe,
+ void *ctx);
+extern void gbp_endpoint_group_walk (gbp_endpoint_group_cb_t bgpe, void *ctx);
+
+
+extern u8 *format_gbp_endpoint_group (u8 * s, va_list * args);
+
+/**
+ * DP functions and databases
+ */
+extern gbp_endpoint_group_db_t gbp_endpoint_group_db;
+extern gbp_endpoint_group_t *gbp_endpoint_group_pool;
+extern uword *gbp_epg_sclass_db;
+
+always_inline u32
+gbp_epg_itf_lookup_sclass (sclass_t sclass)
+{
+ uword *p;
+
+ p = hash_get (gbp_endpoint_group_db.gg_hash_sclass, sclass);
+
+ if (NULL != p)
+ {
+ gbp_endpoint_group_t *gg;
+
+ gg = pool_elt_at_index (gbp_endpoint_group_pool, p[0]);
+ return (gg->gg_uplink_sw_if_index);
+ }
+ return (~0);
+}
+
+always_inline const dpo_id_t *
+gbp_epg_dpo_lookup (sclass_t sclass, fib_protocol_t fproto)
+{
+ uword *p;
+
+ p = hash_get (gbp_endpoint_group_db.gg_hash_sclass, sclass);
+
+ if (NULL != p)
+ {
+ gbp_endpoint_group_t *gg;
+
+ gg = pool_elt_at_index (gbp_endpoint_group_pool, p[0]);
+ return (&gg->gg_dpo[fproto]);
+ }
+ return (NULL);
+}
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */