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Diffstat (limited to 'src/vpp-api/vom/l2_binding.cpp')
| -rw-r--r-- | src/vpp-api/vom/l2_binding.cpp | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/src/vpp-api/vom/l2_binding.cpp b/src/vpp-api/vom/l2_binding.cpp new file mode 100644 index 00000000000..3bdc8f9cd0b --- /dev/null +++ b/src/vpp-api/vom/l2_binding.cpp @@ -0,0 +1,206 @@ +/* + * 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. + */ + +#include "vom/l2_binding.hpp" +#include "vom/cmd.hpp" + +namespace VOM { +/** + * A DB of all the L2 Configs + */ +singular_db<const handle_t, l2_binding> l2_binding::m_db; + +l2_binding::event_handler l2_binding::m_evh; + +/* + * Make sure these are in sync with the smae enum in VPP + */ +const l2_binding::l2_vtr_op_t l2_binding::l2_vtr_op_t::L2_VTR_DISABLED( + 0, + "disabled"); +const l2_binding::l2_vtr_op_t l2_binding::l2_vtr_op_t::L2_VTR_PUSH_1(1, + "push-1"); +const l2_binding::l2_vtr_op_t l2_binding::l2_vtr_op_t::L2_VTR_PUSH_2(2, + "push-2"); +const l2_binding::l2_vtr_op_t l2_binding::l2_vtr_op_t::L2_VTR_POP_1(3, "pop-1"); +const l2_binding::l2_vtr_op_t l2_binding::l2_vtr_op_t::L2_VTR_POP_2(4, "pop-2"); +const l2_binding::l2_vtr_op_t l2_binding::l2_vtr_op_t::L2_VTR_TRANSLATE_1_1( + 5, + "translate-1-1"); +const l2_binding::l2_vtr_op_t l2_binding::l2_vtr_op_t::L2_VTR_TRANSLATE_1_2( + 6, + "translate-1-2"); +const l2_binding::l2_vtr_op_t l2_binding::l2_vtr_op_t::L2_VTR_TRANSLATE_2_1( + 7, + "translate-2-1"); +const l2_binding::l2_vtr_op_t l2_binding::l2_vtr_op_t::L2_VTR_TRANSLATE_2_2( + 5, + "translate-2-2"); + +l2_binding::l2_vtr_op_t::l2_vtr_op_t(int v, const std::string s) + : enum_base<l2_binding::l2_vtr_op_t>(v, s) +{ +} + +/** + * Construct a new object matching the desried state + */ +l2_binding::l2_binding(const interface& itf, const bridge_domain& bd) + : m_itf(itf.singular()) + , m_bd(bd.singular()) + , m_binding(0) + , m_vtr_op(l2_vtr_op_t::L2_VTR_DISABLED, rc_t::UNSET) + , m_vtr_op_tag(0) +{ +} + +l2_binding::l2_binding(const l2_binding& o) + : m_itf(o.m_itf) + , m_bd(o.m_bd) + , m_binding(0) + , m_vtr_op(o.m_vtr_op) + , m_vtr_op_tag(o.m_vtr_op_tag) +{ +} + +void +l2_binding::sweep() +{ + if (m_binding && handle_t::INVALID != m_itf->handle()) { + HW::enqueue(new unbind_cmd(m_binding, m_itf->handle(), m_bd->id(), + interface::type_t::BVI == m_itf->type())); + } + + // no need to undo the VTR operation. + HW::write(); +} + +void +l2_binding::replay() +{ + if (m_binding && handle_t::INVALID != m_itf->handle()) { + HW::enqueue(new bind_cmd(m_binding, m_itf->handle(), m_bd->id(), + interface::type_t::BVI == m_itf->type())); + } + + if (m_vtr_op && handle_t::INVALID != m_itf->handle()) { + HW::enqueue(new set_vtr_op_cmd(m_vtr_op, m_itf->handle(), m_vtr_op_tag)); + } +} + +l2_binding::~l2_binding() +{ + sweep(); + + // not in the DB anymore. + m_db.release(m_itf->handle(), this); +} + +std::string +l2_binding::to_string() const +{ + std::ostringstream s; + s << "L2-config:[" << m_itf->to_string() << " " << m_bd->to_string() << " " + << m_binding.to_string() << "]"; + + return (s.str()); +} + +void +l2_binding::set(const l2_vtr_op_t& op, uint16_t tag) +{ + assert(rc_t::UNSET == m_vtr_op.rc()); + m_vtr_op.set(rc_t::NOOP); + m_vtr_op.update(op); + m_vtr_op_tag = tag; +} + +void +l2_binding::update(const l2_binding& desired) +{ + /* + * the desired state is always that the interface should be created + */ + if (rc_t::OK != m_binding.rc()) { + HW::enqueue(new bind_cmd(m_binding, m_itf->handle(), m_bd->id(), + interface::type_t::BVI == m_itf->type())); + } + + /* + * set the VTR operation is request + */ + if (m_vtr_op.update(desired.m_vtr_op)) { + HW::enqueue(new set_vtr_op_cmd(m_vtr_op, m_itf->handle(), m_vtr_op_tag)); + } +} + +std::shared_ptr<l2_binding> +l2_binding::find_or_add(const l2_binding& temp) +{ + return (m_db.find_or_add(temp.m_itf->handle(), temp)); +} + +std::shared_ptr<l2_binding> +l2_binding::singular() const +{ + return find_or_add(*this); +} + +void +l2_binding::dump(std::ostream& os) +{ + m_db.dump(os); +} + +l2_binding::event_handler::event_handler() +{ + OM::register_listener(this); + inspect::register_handler({ "l2" }, "L2 bindings", this); +} + +void +l2_binding::event_handler::handle_replay() +{ + m_db.replay(); +} + +void +l2_binding::event_handler::handle_populate(const client_db::key_t& key) +{ + /** + * This is done while populating the bridge-domain + */ +} + +dependency_t +l2_binding::event_handler::order() const +{ + return (dependency_t::BINDING); +} + +void +l2_binding::event_handler::show(std::ostream& os) +{ + m_db.dump(os); +} +} + +/* + * fd.io coding-style-patch-verification: ON + * + * Local Variables: + * eval: (c-set-style "mozilla") + * End: + */ |