2 * Copyright (c) 2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #include "vom/l2_binding.hpp"
17 #include "vom/l2_binding_cmds.hpp"
18 #include "vom/l2_vtr_cmds.hpp"
19 #include "vom/singular_db_funcs.hpp"
23 * A DB of all the L2 Configs
25 singular_db<l2_binding::key_t, l2_binding> l2_binding::m_db;
27 l2_binding::event_handler l2_binding::m_evh;
29 const l2_binding::l2_port_type_t
30 l2_binding::l2_port_type_t::L2_PORT_TYPE_NORMAL(0, "normal");
31 const l2_binding::l2_port_type_t l2_binding::l2_port_type_t::L2_PORT_TYPE_BVI(
34 const l2_binding::l2_port_type_t
35 l2_binding::l2_port_type_t::L2_PORT_TYPE_UU_FWD(2, "uu-fwd");
37 l2_binding::l2_port_type_t::l2_port_type_t(int v, const std::string s)
38 : enum_base<l2_binding::l2_port_type_t>(v, s)
43 * Construct a new object matching the desried state
45 l2_binding::l2_binding(const interface& itf, const bridge_domain& bd)
46 : m_itf(itf.singular())
48 , m_port_type(l2_port_type_t::L2_PORT_TYPE_NORMAL)
50 , m_vtr_op(l2_vtr_op_t::L2_VTR_DISABLED, rc_t::UNSET)
53 if (interface::type_t::BVI == m_itf->type())
54 m_port_type = l2_port_type_t::L2_PORT_TYPE_BVI;
58 * Construct a new object matching the desried state
60 l2_binding::l2_binding(const interface& itf,
61 const bridge_domain& bd,
62 const l2_port_type_t& port_type)
63 : m_itf(itf.singular())
65 , m_port_type(port_type)
67 , m_vtr_op(l2_vtr_op_t::L2_VTR_DISABLED, rc_t::UNSET)
72 l2_binding::l2_binding(const l2_binding& o)
75 , m_port_type(o.m_port_type)
77 , m_vtr_op(o.m_vtr_op)
78 , m_vtr_op_tag(o.m_vtr_op_tag)
82 const l2_binding::key_t&
83 l2_binding::key() const
85 return (m_itf->key());
89 l2_binding::operator==(const l2_binding& l) const
91 return ((*m_itf == *l.m_itf) && (*m_bd == *l.m_bd) &&
92 (m_port_type == l.m_port_type));
95 std::shared_ptr<l2_binding>
96 l2_binding::find(const key_t& key)
98 return (m_db.find(key));
104 if (m_binding && handle_t::INVALID != m_itf->handle()) {
105 HW::enqueue(new l2_binding_cmds::unbind_cmd(m_binding, m_itf->handle(),
106 m_bd->id(), m_port_type));
109 // no need to undo the VTR operation.
116 if (m_binding && handle_t::INVALID != m_itf->handle()) {
117 HW::enqueue(new l2_binding_cmds::bind_cmd(m_binding, m_itf->handle(),
118 m_bd->id(), m_port_type));
121 if (m_vtr_op && handle_t::INVALID != m_itf->handle()) {
122 HW::enqueue(new set_vtr_op_cmd(m_vtr_op, m_itf->handle(), m_vtr_op_tag));
126 l2_binding::~l2_binding()
130 // not in the DB anymore.
131 m_db.release(m_itf->key(), this);
135 l2_binding::to_string() const
137 std::ostringstream s;
138 s << "L2-binding:[" << m_itf->to_string() << " " << m_bd->to_string() << " "
139 << m_port_type.to_string() << " " << m_binding.to_string() << "]";
145 l2_binding::set(const l2_vtr_op_t& op, uint16_t tag)
147 assert(rc_t::UNSET == m_vtr_op.rc());
148 m_vtr_op.set(rc_t::NOOP);
154 l2_binding::update(const l2_binding& desired)
157 * the desired state is always that the interface should be created
159 if (rc_t::OK != m_binding.rc()) {
160 HW::enqueue(new l2_binding_cmds::bind_cmd(m_binding, m_itf->handle(),
161 m_bd->id(), m_port_type));
162 } else if (!(*m_bd == *desired.m_bd)) {
164 * re-binding to a different BD. do unbind, bind.
166 HW::enqueue(new l2_binding_cmds::unbind_cmd(m_binding, m_itf->handle(),
167 m_bd->id(), m_port_type));
169 HW::enqueue(new l2_binding_cmds::bind_cmd(m_binding, m_itf->handle(),
170 m_bd->id(), m_port_type));
174 * set the VTR operation if request
176 if (m_vtr_op.update(desired.m_vtr_op)) {
177 HW::enqueue(new set_vtr_op_cmd(m_vtr_op, m_itf->handle(), m_vtr_op_tag));
181 std::shared_ptr<l2_binding>
182 l2_binding::find_or_add(const l2_binding& temp)
184 return (m_db.find_or_add(temp.m_itf->key(), temp));
187 std::shared_ptr<l2_binding>
188 l2_binding::singular() const
190 return find_or_add(*this);
194 l2_binding::dump(std::ostream& os)
199 l2_binding::event_handler::event_handler()
201 OM::register_listener(this);
202 inspect::register_handler({ "l2" }, "L2 bindings", this);
206 l2_binding::event_handler::handle_replay()
212 l2_binding::event_handler::handle_populate(const client_db::key_t& key)
215 * This is done while populating the bridge-domain
220 l2_binding::event_handler::order() const
222 return (dependency_t::BINDING);
226 l2_binding::event_handler::show(std::ostream& os)
233 * fd.io coding-style-patch-verification: ON
236 * eval: (c-set-style "mozilla")