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Diffstat (limited to 'extras/vom/vom/l2_binding.hpp')
| -rw-r--r-- | extras/vom/vom/l2_binding.hpp | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/extras/vom/vom/l2_binding.hpp b/extras/vom/vom/l2_binding.hpp new file mode 100644 index 00000000000..d24f69ee33d --- /dev/null +++ b/extras/vom/vom/l2_binding.hpp @@ -0,0 +1,221 @@ +/* + * Copyright (c) 2017 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_L2_BINDING_H__ +#define __VOM_L2_BINDING_H__ + +#include "vom/bridge_domain.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 Clas representing the binding of an L2 interface to a bridge-domain + * and the properties of that binding. + */ +class l2_binding : public object_base +{ +public: + /** + * Key type for an L2 binding in the singular DB + */ + typedef interface::key_t key_t; + + struct l2_vtr_op_t : public enum_base<l2_vtr_op_t> + { + l2_vtr_op_t(const l2_vtr_op_t& l) = default; + ~l2_vtr_op_t() = default; + + const static l2_vtr_op_t L2_VTR_DISABLED; + const static l2_vtr_op_t L2_VTR_PUSH_1; + const static l2_vtr_op_t L2_VTR_PUSH_2; + const static l2_vtr_op_t L2_VTR_POP_1; + const static l2_vtr_op_t L2_VTR_POP_2; + const static l2_vtr_op_t L2_VTR_TRANSLATE_1_1; + const static l2_vtr_op_t L2_VTR_TRANSLATE_1_2; + const static l2_vtr_op_t L2_VTR_TRANSLATE_2_1; + const static l2_vtr_op_t L2_VTR_TRANSLATE_2_2; + + private: + l2_vtr_op_t(int v, const std::string s); + }; + + /** + * Construct a new object matching the desried state + */ + l2_binding(const interface& itf, const bridge_domain& bd); + + /** + * Copy Constructor + */ + l2_binding(const l2_binding& o); + + /** + * Destructor + */ + ~l2_binding(); + + /** + * Return the binding's key + */ + const key_t& key() const; + + /** + * Comparison operator - for UT + */ + bool operator==(const l2_binding& l) const; + + /** + * Return the 'singular instance' of the L2 config that matches this + * object + */ + std::shared_ptr<l2_binding> singular() const; + + /** + * convert to string format for debug purposes + */ + std::string to_string() const; + + /** + * Dump all l2_bindings into the stream provided + */ + static void dump(std::ostream& os); + + /** + * Set the VTR operation on the binding/interface + */ + void set(const l2_vtr_op_t& op, uint16_t tag); + + /** + * Static function to find the bridge_domain in the model + */ + static std::shared_ptr<l2_binding> 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; + + /** + * Enquue commonds to the VPP command Q for the update + */ + void update(const l2_binding& obj); + + /** + * Find or Add the singular instance in the DB + */ + static std::shared_ptr<l2_binding> find_or_add(const l2_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, l2_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 the interface that this L2 layer + * represents. By holding the reference here, we can guarantee that + * this object will outlive the interface + */ + const std::shared_ptr<interface> m_itf; + + /** + * A reference counting pointer the Bridge-Domain that this L2 + * interface is bound to. By holding the reference here, we can + * guarantee that this object will outlive the BD. + */ + std::shared_ptr<bridge_domain> m_bd; + + /** + * HW configuration for the binding. The bool representing the + * do/don't bind. + */ + HW::item<bool> m_binding; + + /** + * HW configuration for the VTR option + */ + HW::item<l2_vtr_op_t> m_vtr_op; + + /** + * The Dot1q tag for the VTR operation + */ + uint16_t m_vtr_op_tag; + + /** + * A map of all L2 interfaces key against the interface's handle_t + */ + static singular_db<key_t, l2_binding> m_db; +}; +}; + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ + +#endif |