--- /dev/null
+/*
+ * 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 __VOM_ACL_ETHERTYPE_H__
+#define __VOM_ACL_ETHERTYPE_H__
+
+#include <set>
+
+#include "vom/hw.hpp"
+#include "vom/inspect.hpp"
+#include "vom/interface.hpp"
+#include "vom/object_base.hpp"
+#include "vom/om.hpp"
+#include "vom/singular_db.hpp"
+
+namespace VOM {
+namespace ACL {
+/**
+ * An ACL ethertype list comprises a set of inbound ether types and out bound
+ * ether types
+ * to be applied to packets.
+ * A list is bound to a given interface.
+ */
+
+struct ethertype_rule_t
+{
+public:
+ /**
+ * Constructor
+ */
+ ethertype_rule_t(const ethertype_t& eth, const direction_t& dir);
+
+ /**
+ * Destructor
+ */
+ ~ethertype_rule_t() = default;
+
+ /**
+ * convert to string
+ */
+ std::string to_string() const;
+
+ /**
+ * comparision operator
+ */
+ bool operator<(const ethertype_rule_t& other) const;
+
+ /**
+ * comparision operator (for testing)
+ */
+ bool operator==(const ethertype_rule_t& other) const;
+
+ /**
+ * get the ether value
+ */
+ uint16_t getEthertype(void) const;
+
+ /**
+ * get the direction
+ */
+ const direction_t& getDirection(void) const;
+
+private:
+ /**
+ * ethertype for this rule
+ */
+ const ethertype_t m_eth;
+
+ /**
+ * direction in which ethertype will be applied w.r.t. intf
+ */
+ const direction_t m_dir;
+};
+
+class acl_ethertype : public object_base
+{
+public:
+ /**
+ * The KEY can be used to uniquely identify the ACL ethertype.
+ * (other choices for keys, like the summation of the properties
+ * of the rules, are rather too cumbersome to use
+ */
+ typedef std::string key_t;
+
+ /**
+ * The ethertype container
+ */
+ typedef std::multiset<ethertype_rule_t> ethertype_rules_t;
+
+ /**
+ * Construct a new object matching the desried state
+ */
+ acl_ethertype(const interface& itf, const ethertype_rules_t& le);
+
+ /**
+ * Copy Constructor
+ */
+ acl_ethertype(const acl_ethertype& o);
+
+ /**
+ * Destructor
+ */
+ ~acl_ethertype();
+
+ /**
+ * Return the binding's key
+ */
+ const key_t& key() const;
+
+ /**
+ * comparision operator (for testing)
+ */
+ bool operator==(const acl_ethertype& o) const;
+
+ /**
+ * Return the 'singular' of the acl ethertype that matches this object
+ */
+ std::shared_ptr<acl_ethertype> singular() const;
+
+ /**
+ * convert to string format for debug purposes
+ */
+ std::string to_string() const;
+
+ /**
+ * Dump all acl ethertype into the stream provided
+ */
+ static void dump(std::ostream& os);
+
+ /**
+ * Static function to find the acl_ethertype in the model
+ */
+ static std::shared_ptr<acl_ethertype> find(const key_t& key);
+
+private:
+ /**
+ * Class definition for listeners to OM events
+ */
+ class event_handler : public OM::listener, public inspect::command_handler
+ {
+ public:
+ event_handler();
+ virtual ~event_handler() = default;
+
+ /**
+ * Handle a populate event
+ */
+ void handle_populate(const client_db::key_t& key);
+
+ /**
+ * Handle a replay event
+ */
+ void handle_replay();
+
+ /**
+ * Show the object in the Singular DB
+ */
+ void show(std::ostream& os);
+
+ /**
+ * Get the sortable Id of the listener
+ */
+ dependency_t order() const;
+ };
+
+ /**
+ * event_handler to register with OM
+ */
+ static event_handler m_evh;
+
+ /**
+ * Enque commands to the VPP command Q for the update
+ */
+ void update(const acl_ethertype& obj);
+
+ /**
+ * Find or add acl ethertype to the OM
+ */
+ static std::shared_ptr<acl_ethertype> find_or_add(const acl_ethertype& temp);
+
+ /*
+ * It's the OM class that calls singular()
+ */
+ friend class VOM::OM;
+
+ /**
+ * It's the singular_db class that calls replay()
+ */
+ friend class singular_db<interface::key_t, acl_ethertype>;
+
+ /**
+ * Sweep/reap the object if still stale
+ */
+ void sweep(void);
+
+ /**
+ * replay the object to create it in hardware
+ */
+ void replay(void);
+
+ /**
+ * A reference counting pointer to the interface on which acl ethertype
+ * resides. By holding the reference here, we can guarantee that
+ * this object will outlive the interface
+ */
+ const std::shared_ptr<interface> m_itf;
+
+ /**
+ * Inbound and outbound ethers list applied on given interface
+ */
+ ethertype_rules_t m_le;
+
+ /**
+ * HW configuration for the binding. The bool representing the
+ * do/don't bind.
+ */
+ HW::item<bool> m_binding;
+
+ /**
+ * A map of all acl ethertype keyed against the interface.
+ */
+ static singular_db<interface::key_t, acl_ethertype> m_db;
+};
+};
+};
+
+/*
+ * fd.io coding-style-patch-verification: OFF
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif
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