VOM: bond: Add support for LACP

Change-Id: I0245263b212142858d3305b0f365d8342912dbb9
Signed-off-by: Mohsin Kazmi <sykazmi@cisco.com>
diff --git a/src/vpp-api/vom/bond_interface.hpp b/src/vpp-api/vom/bond_interface.hpp
new file mode 100644
index 0000000..4584bd1
--- /dev/null
+++ b/src/vpp-api/vom/bond_interface.hpp
@@ -0,0 +1,197 @@
+/*
+ * 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_INTERFACE_H__
+#define __VOM_BOND_INTERFACE_H__
+
+#include "vom/interface.hpp"
+
+namespace VOM {
+/**
+ * A bond-interface. e.g. a bond interface
+ */
+class bond_interface : public interface
+{
+public:
+  /**
+   * A bond interface mode
+   */
+  struct mode_t : enum_base<mode_t>
+  {
+    /**
+     * Round-Robin bond interface mode
+     */
+    const static mode_t ROUND_ROBIN;
+    /**
+     * Active-backup bond interface mode
+     */
+    const static mode_t ACTIVE_BACKUP;
+    /**
+     * XOR bond interface mode
+     */
+    const static mode_t XOR;
+    /**
+     * Broadcast bond interface mode
+     */
+    const static mode_t BROADCAST;
+    /**
+     * LACP bond interface mode
+     */
+    const static mode_t LACP;
+    /**
+     * Unspecificed bond interface mode
+     */
+    const static mode_t UNSPECIFIED;
+
+    /**
+     * Convert VPP's value of the bond to a mode
+     */
+    static const mode_t from_numeric_val(uint8_t v);
+
+  private:
+    /**
+     * Private constructor taking the value and the string name
+     */
+    mode_t(int v, const std::string& s);
+  };
+
+  /**
+    * A bond interface load balance
+    */
+  struct lb_t : enum_base<lb_t>
+  {
+    /**
+     * L2 bond interface lb
+     */
+    const static lb_t L2;
+    /**
+     * L34 bond interface lb
+     */
+    const static lb_t L34;
+    /**
+     * L23 bond interface lb
+     */
+    const static lb_t L23;
+    /**
+     * Unspecificed bond interface lb
+     */
+    const static lb_t UNSPECIFIED;
+
+    /**
+     * Convert VPP's value of the bond to a lb
+     */
+    static const lb_t from_numeric_val(uint8_t v);
+
+  private:
+    /**
+     * Private constructor taking the value and the string name
+     */
+    lb_t(int v, const std::string& s);
+  };
+
+  bond_interface(const std::string& name,
+                 admin_state_t state,
+                 mode_t mode,
+                 lb_t lb = lb_t::UNSPECIFIED);
+
+  bond_interface(const std::string& name,
+                 admin_state_t state,
+                 const l2_address_t& l2_address,
+                 mode_t mode,
+                 lb_t lb = lb_t::UNSPECIFIED);
+
+  ~bond_interface();
+  bond_interface(const bond_interface& o);
+
+  /**
+   * The the singular instance of the bond interface in the DB by handle
+   */
+  static std::shared_ptr<bond_interface> find(const handle_t& hdl);
+
+  /**
+   * Return the matching 'singular instance' of the BOND interface
+   */
+  std::shared_ptr<bond_interface> singular() const;
+
+  /**
+   * set the mode
+   */
+  void set(mode_t mode);
+
+  /**
+   * set the lb
+   */
+  void set(lb_t lb);
+
+  /**
+   * convert to string
+   */
+  virtual std::string to_string() const;
+
+protected:
+  /**
+   * set the handle
+   */
+  void set(handle_t& handle);
+  friend class interface_factory;
+
+private:
+  /**
+   * l2 address on bond interface
+   */
+  l2_address_t m_l2_address;
+
+  /**
+   *  mode on bond interface
+   */
+  mode_t m_mode;
+
+  /**
+   * lb mode on bond interface
+   */
+  lb_t m_lb;
+
+  /**
+   * Return the matching 'instance' of the sub-interface
+   *  over-ride from the base class
+   */
+  std::shared_ptr<interface> singular_i() const;
+
+  /**
+   * Virtual functions to construct an interface create commands.
+   */
+  virtual std::queue<cmd*>& mk_create_cmd(std::queue<cmd*>& cmds);
+
+  /**
+   * Virtual functions to construct an interface delete commands.
+   */
+  virtual std::queue<cmd*>& mk_delete_cmd(std::queue<cmd*>& cmds);
+
+  /*
+   * It's the OM class that call singular()
+   */
+  friend class OM;
+};
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "mozilla")
+ * End:
+ */
+
+#endif