GBP V2

[vpp.git] / src / plugins / gbp / gbp_endpoint.h

diff --git a/src/plugins/gbp/gbp_endpoint.h b/src/plugins/gbp/gbp_endpoint.h
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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_H__
+#define __GBP_ENDPOINT_H__
+
+#include <plugins/gbp/gbp_types.h>
+#include <vnet/ip/ip.h>
+
+/**
+ * The key for an Endpoint
+ */
+typedef struct gbp_endpoint_key_t_
+{
+  /**
+   * The interface on which the EP is connected
+   */
+  u32 gek_sw_if_index;
+
+  /**
+   * The IP[46] address of the endpoint
+   */
+  ip46_address_t gek_ip;
+} gbp_endpoint_key_t;
+
+/**
+ * A Group Based Policy Endpoint.
+ * This is typcially a VM on the local compute node for which policy must be
+ * locally applied
+ */
+typedef struct gbp_endpoint_t_
+{
+  /**
+   * The endpoint's interface and IP address
+   */
+  gbp_endpoint_key_t *ge_key;
+
+  /**
+   * The endpoint's designated EPG
+   */
+  epg_id_t ge_epg_id;
+} gbp_endpoint_t;
+
+/**
+ * Result of a interface to EPG mapping.
+ * multiple Endpoints can occur on the same interface, so this
+ * mapping needs to be reference counted.
+ */
+typedef struct gbp_itf_t_
+{
+  epg_id_t gi_epg;
+  u32 gi_ref_count;
+} gbp_itf_t;
+
+/**
+ * Interface to source EPG DB - a per-interface vector
+ */
+typedef struct gbp_itf_to_epg_db_t_
+{
+  gbp_itf_t *gte_vec;
+} gbp_itf_to_epg_db_t;
+
+extern int gbp_endpoint_update (u32 sw_if_index,
+                               const ip46_address_t * ip, epg_id_t epg_id);
+extern void gbp_endpoint_delete (u32 sw_if_index, const ip46_address_t * ip);
+
+typedef int (*gbp_endpoint_cb_t) (gbp_endpoint_t * gbpe, void *ctx);
+extern void gbp_endpoint_walk (gbp_endpoint_cb_t cb, void *ctx);
+
+/**
+ * Port to EPG mapping management
+ */
+extern void gbp_itf_epg_update (u32 sw_if_index, epg_id_t src_epg,
+                               u8 do_policy);
+extern void gbp_itf_epg_delete (u32 sw_if_index);
+
+/**
+ * DP functions and databases
+ */
+extern gbp_itf_to_epg_db_t gbp_itf_to_epg_db;
+
+/**
+ * Get the source EPG for a port/interface
+ */
+always_inline u32
+gbp_port_to_epg (u32 sw_if_index)
+{
+  return (gbp_itf_to_epg_db.gte_vec[sw_if_index].gi_epg);
+}
+
+#endif
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */