VOM: bond: Add support for LACP

Change-Id: I0245263b212142858d3305b0f365d8342912dbb9
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>

1 files changed, 186 insertions, 0 deletions

diff --git a/src/vpp-api/vom/bond_group_binding.hpp b/src/vpp-api/vom/bond_group_binding.hpp
new file mode 100644
index 00000000000..bfac4881a44
--- /dev/null
+++ b/src/vpp-api/vom/bond_group_binding.hpp
@@ -0,0 +1,186 @@
+/*
+ * 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_BOND_GROUP_BINDING_H__
+#define __VOM_BOND_GROUP_BINDING_H__
+
+#include <set>
+
+#include "vom/bond_interface.hpp"
+#include "vom/bond_member.hpp"
+#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 {
+/**
+ * A representation of bond interface binding
+ */
+class bond_group_binding : public object_base
+{
+public:
+  /**
+   * The KEY can be used to uniquely identify the Bond Binding.
+   * (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 container type for enslaved itfs
+   */
+  typedef std::set<bond_member> enslaved_itf_t;
+
+  /**
+   * Construct a new object matching the desried state
+   */
+  bond_group_binding(const bond_interface& itf, const enslaved_itf_t& mem);
+
+  /**
+   * Copy Constructor
+   */
+  bond_group_binding(const bond_group_binding& o);
+
+  /**
+   * Destructor
+   */
+  ~bond_group_binding();
+
+  /**
+   * Return the 'singular' of the bond interface binding that matches this
+   * object
+   */
+  std::shared_ptr<bond_group_binding> singular() const;
+
+  /**
+   * convert to string format for debug purposes
+   */
+  std::string to_string() const;
+
+  /**
+   * get the key to this object
+   */
+  const key_t key() const;
+
+  /**
+   * Dump all bond interface bindings into the stream provided
+   */
+  static void dump(std::ostream& os);
+
+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;
+
+  /**
+   * Enqueue command to the VPP command Q for the update
+   */
+  void update(const bond_group_binding& obj);
+
+  /**
+   * Find or add bond interface binding to the OM
+   */
+  static std::shared_ptr<bond_group_binding> find_or_add(
+    const bond_group_binding& temp);
+
+  /*
+   * It's the OM class that calls singular()
+   */
+  friend class OM;
+
+  /**
+   * It's the singular_db class that calls replay()
+   */
+  friend class singular_db<key_t, bond_group_binding>;
+
+  /**
+   * 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 bond interface.
+   * By holding the reference here, we can guarantee that
+   * this object will outlive the interface
+   */
+  std::shared_ptr<bond_interface> m_itf;
+
+  /**
+   * A list of member interfaces.
+   */
+  const enslaved_itf_t m_mem_itfs;
+
+  /**
+   * HW configuration for the binding. The bool representing the
+   * do/don't bind.
+   */
+  HW::item<bool> m_binding;
+
+  /**
+   * A map of all bond interface bindings keyed against the interface +
+   * "binding".
+   */
+  static singular_db<key_t, bond_group_binding> m_db;
+};
+};
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif