summaryrefslogtreecommitdiffstats
path: root/src/vpp-api/vom/l2_binding.cpp
blob: e380760805cb8ee121adf9ab3b2a3509af4fc4fd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
/*
 * 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/l2_binding_cmds.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 l2_binding_cmds::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 l2_binding_cmds::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 l2_binding_cmds::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 l2_binding_cmds::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 l2_binding_cmds::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:
 */