FD.io VPP  v19.04.2-12-g66b1689
Vector Packet Processing
interface_cmds.hpp
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1 /*
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:
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
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.
14  */
15 
16 #ifndef __VOM_INTERFACE_CMDS_H__
17 #define __VOM_INTERFACE_CMDS_H__
18 
19 #include <vapi/vapi.hpp>
20 
21 #include "vom/dump_cmd.hpp"
22 #include "vom/event_cmd.hpp"
23 #include "vom/interface.hpp"
24 #include "vom/rpc_cmd.hpp"
25 
26 #include <vapi/af_packet.api.vapi.hpp>
27 #include <vapi/interface.api.vapi.hpp>
28 #include <vapi/l2.api.vapi.hpp>
29 #include <vapi/vhost_user.api.vapi.hpp>
30 #include <vapi/vpe.api.vapi.hpp>
31 
32 namespace VOM {
33 
34 namespace interface_cmds {
35 /**
36  * Factory method to construct a new interface from the VPP record
37  */
38 std::unique_ptr<interface> new_interface(
39  const vapi_payload_sw_interface_details& vd);
40 
41 /**
42  * A command class to create bvi interfaces in VPP
43  */
44 class bvi_create_cmd : public interface::create_cmd<vapi::Bvi_create>
45 {
46 public:
47  /**
48  * Constructor taking the HW::item to update
49  * and the name of the interface to create
50  */
51  bvi_create_cmd(HW::item<handle_t>& item, const std::string& name);
52  ~bvi_create_cmd() = default;
53 
54  /**
55  * Issue the command to VPP/HW
56  */
57  rc_t issue(connection& con);
58 
59  /**
60  * convert to string format for debug purposes
61  */
62  std::string to_string() const;
63 };
64 
65 /**
66  * A command class to create Loopback interfaces in VPP
67  */
68 class loopback_create_cmd : public interface::create_cmd<vapi::Create_loopback>
69 {
70 public:
71  /**
72  * Constructor taking the HW::item to update
73  * and the name of the interface to create
74  */
75  loopback_create_cmd(HW::item<handle_t>& item, const std::string& name);
76  ~loopback_create_cmd() = default;
77 
78  /**
79  * Issue the command to VPP/HW
80  */
81  rc_t issue(connection& con);
82 
83  /**
84  * convert to string format for debug purposes
85  */
86  std::string to_string() const;
87 };
88 
89 /**
90  * A command class to create af_packet interfaces in VPP
91  */
93  : public interface::create_cmd<vapi::Af_packet_create>
94 {
95 public:
96  /**
97  * Constructor taking the HW::item to update
98  * and the name of the interface to create
99  */
100  af_packet_create_cmd(HW::item<handle_t>& item, const std::string& name);
101  ~af_packet_create_cmd() = default;
102  /**
103  * Issue the command to VPP/HW
104  */
105  rc_t issue(connection& con);
106  /**
107  * convert to string format for debug purposes
108  */
109  std::string to_string() const;
110 };
111 
112 /**
113  * A functor class that creates an interface
114  */
116  : public interface::create_cmd<vapi::Create_vhost_user_if>
117 {
118 public:
120  const std::string& name,
121  const std::string& tag);
122 
123  /**
124  * Issue the command to VPP/HW
125  */
126  rc_t issue(connection& con);
127  /**
128  * convert to string format for debug purposes
129  */
130  std::string to_string() const;
131 
132 private:
133  const std::string m_tag;
134 };
135 
136 /**
137  * A command class to delete bvi interfaces in VPP
138  */
139 class bvi_delete_cmd : public interface::delete_cmd<vapi::Bvi_delete>
140 {
141 public:
142  /**
143  * Constructor taking the HW::item to update
144  */
146 
147  /**
148  * Issue the command to VPP/HW
149  */
150  rc_t issue(connection& con);
151  /**
152  * convert to string format for debug purposes
153  */
154  std::string to_string() const;
155 };
156 
157 /**
158  * A command class to delete loopback interfaces in VPP
159  */
160 class loopback_delete_cmd : public interface::delete_cmd<vapi::Delete_loopback>
161 {
162 public:
163  /**
164  * Constructor taking the HW::item to update
165  */
167 
168  /**
169  * Issue the command to VPP/HW
170  */
171  rc_t issue(connection& con);
172  /**
173  * convert to string format for debug purposes
174  */
175  std::string to_string() const;
176 };
177 
178 /**
179  * A command class to delete af-packet interfaces in VPP
180  */
182  : public interface::delete_cmd<vapi::Af_packet_delete>
183 {
184 public:
185  /**
186  * Constructor taking the HW::item to update
187  * and the name of the interface to delete
188  */
189  af_packet_delete_cmd(HW::item<handle_t>& item, const std::string& name);
190 
191  /**
192  * Issue the command to VPP/HW
193  */
194  rc_t issue(connection& con);
195  /**
196  * convert to string format for debug purposes
197  */
198  std::string to_string() const;
199 };
200 
201 /**
202  * A functor class that deletes a Vhost interface
203  */
205  : public interface::delete_cmd<vapi::Delete_vhost_user_if>
206 {
207 public:
208  vhost_delete_cmd(HW::item<handle_t>& item, const std::string& name);
209 
210  /**
211  * Issue the command to VPP/HW
212  */
213  rc_t issue(connection& con);
214  /**
215  * convert to string format for debug purposes
216  */
217  std::string to_string() const;
218 };
219 
220 /**
221  * A command class to set tag on interfaces
222  */
223 class set_tag
224  : public rpc_cmd<HW::item<handle_t>, vapi::Sw_interface_tag_add_del>
225 {
226 public:
227  /**
228  * Constructor taking the HW::item to update
229  */
230  set_tag(HW::item<handle_t>& item, const std::string& name);
231 
232  /**
233  * Issue the command to VPP/HW
234  */
235  rc_t issue(connection& con);
236 
237  /**
238  * convert to string format for debug purposes
239  */
240  std::string to_string() const;
241 
242  /**
243  * Comparison operator - only used for UT
244  */
245  bool operator==(const set_tag& i) const;
246 
247 private:
248  /**
249  * The tag to add
250  */
251  const std::string m_name;
252 };
253 
254 /**
255  * A cmd class that changes the admin state
256  */
257 class state_change_cmd : public rpc_cmd<HW::item<interface::admin_state_t>,
258  vapi::Sw_interface_set_flags>
259 {
260 public:
261  /**
262  * Constructor taking the HW::item to update
263  * and the name handle of the interface whose state is to change
264  */
266  const HW::item<handle_t>& h);
267 
268  /**
269  * Issue the command to VPP/HW
270  */
271  rc_t issue(connection& con);
272  /**
273  * convert to string format for debug purposes
274  */
275  std::string to_string() const;
276 
277  /**
278  * Comparison operator - only used for UT
279  */
280  bool operator==(const state_change_cmd& i) const;
281 
282 private:
283  /**
284  * the handle of the interface to update
285  */
286  const HW::item<handle_t>& m_hdl;
287 };
288 
289 /**
290  * A command class that binds an interface to an L3 table
291  */
293  : public rpc_cmd<HW::item<route::table_id_t>, vapi::Sw_interface_set_table>
294 {
295 public:
296  /**
297  * Constructor taking the HW::item to update
298  * and the name handle of the interface whose table is to change
299  */
301  const l3_proto_t& proto,
302  const HW::item<handle_t>& h);
303 
304  /**
305  * Issue the command to VPP/HW
306  */
307  rc_t issue(connection& con);
308 
309  /**
310  * convert to string format for debug purposes
311  */
312  std::string to_string() const;
313 
314  /**
315  * Comparison operator - only used for UT
316  */
317  bool operator==(const set_table_cmd& i) const;
318 
319 private:
320  /**
321  * the handle of the interface to update
322  */
323  const HW::item<handle_t>& m_hdl;
324 
325  /**
326  * The L3 protocol of the table
327  */
328  l3_proto_t m_proto;
329 };
330 
331 /**
332  * A command class that changes the MAC address on an interface
333  */
335  : public rpc_cmd<HW::item<l2_address_t>, vapi::Sw_interface_set_mac_address>
336 {
337 public:
338  /**
339  * Constructor taking the HW::item to update
340  * and the handle of the interface
341  */
343 
344  /**
345  * Issue the command to VPP/HW
346  */
347  rc_t issue(connection& con);
348 
349  /**
350  * convert to string format for debug purposes
351  */
352  std::string to_string() const;
353 
354  /**
355  * Comparison operator - only used for UT
356  */
357  bool operator==(const set_mac_cmd& i) const;
358 
359 private:
360  /**
361  * the handle of the interface to update
362  */
363  const HW::item<handle_t>& m_hdl;
364 };
365 
366 /**
367  * A command class that enables detailed stats collection on an interface
368  */
370  : public rpc_cmd<HW::item<interface::stats_type_t>,
371  vapi::Collect_detailed_interface_stats>
372 {
373 public:
374  /**
375  * Constructor taking the HW::item to update
376  * and the handle of the interface
377  */
379  const handle_t& h,
380  bool enable);
381 
382  /**
383  * Issue the command to VPP/HW
384  */
385  rc_t issue(connection& con);
386 
387  /**
388  * convert to string format for debug purposes
389  */
390  std::string to_string() const;
391 
392  /**
393  * Comparison operator - only used for UT
394  */
395  bool operator==(const collect_detail_stats_change_cmd& i) const;
396 
397 private:
398  /**
399  * the handle of the interface to update
400  */
401  const handle_t& m_hdl;
402 
403  /**
404  * enable or disable the detailed stats collection
405  */
406  bool m_enable;
407 };
408 
409 /**
410  * A command class represents our desire to recieve interface events
411  */
413  : public event_cmd<vapi::Want_interface_events, vapi::Sw_interface_event>
414 {
415 public:
416  /**
417  * Constructor taking the listner to notify
418  */
420 
421  /**
422  * Issue the command to VPP/HW
423  */
424  rc_t issue(connection& con);
425 
426  /**
427  * Retires the command - unsubscribe from the events.
428  */
429  void retire(connection& con);
430 
431  /**
432  * convert to string format for debug purposes
433  */
434  std::string to_string() const;
435 
436  /**
437  * Comparison operator - only used for UT
438  */
439  bool operator==(const events_cmd& i) const;
440 
441  /**
442  * Called when it's time to poke the listeners
443  */
444  void notify();
445 
446 private:
447  /**
448  * The listeners to notify when data/events arrive
449  */
450  interface::event_listener& m_listener;
451 };
452 
453 /**
454  * A cmd class that Dumps all the Vpp interfaces
455  */
456 class dump_cmd : public VOM::dump_cmd<vapi::Sw_interface_dump>
457 {
458 public:
459  /**
460  * Default Constructor
461  */
462  dump_cmd();
463 
464  /**
465  * Issue the command to VPP/HW
466  */
467  rc_t issue(connection& con);
468  /**
469  * convert to string format for debug purposes
470  */
471  std::string to_string() const;
472 
473  /**
474  * Comparison operator - only used for UT
475  */
476  bool operator==(const dump_cmd& i) const;
477 };
478 
479 /**
480  * A cmd class that Dumps all the Vpp Interfaces
481  */
482 class vhost_dump_cmd : public VOM::dump_cmd<vapi::Sw_interface_vhost_user_dump>
483 {
484 public:
485  /**
486  * Default Constructor
487  */
488  vhost_dump_cmd();
489 
490  /**
491  * Issue the command to VPP/HW
492  */
493  rc_t issue(connection& con);
494  /**
495  * convert to string format for debug purposes
496  */
497  std::string to_string() const;
498 
499  /**
500  * Comparison operator - only used for UT
501  */
502  bool operator==(const vhost_dump_cmd& i) const;
503 };
504 
505 /**
506  * A cmd class that Dumps all the Vpp interfaces
507  */
508 class af_packet_dump_cmd : public VOM::dump_cmd<vapi::Af_packet_dump>
509 {
510 public:
511  /**
512  * Default Constructor
513  */
514  af_packet_dump_cmd() = default;
515 
516  /**
517  * Issue the command to VPP/HW
518  */
519  rc_t issue(connection& con);
520  /**
521  * convert to string format for debug purposes
522  */
523  std::string to_string() const;
524 
525  /**
526  * Comparison operator - only used for UT
527  */
528  bool operator==(const af_packet_dump_cmd& i) const;
529 };
530 };
531 };
532 /*
533  * fd.io coding-style-patch-verification: ON
534  *
535  * Local Variables:
536  * eval: (c-set-style "mozilla")
537  * End:
538  */
539 #endif
std::string to_string() const
convert to string format for debug purposes
A cmd class that Dumps all the Vpp interfaces.
static clib_error_t * set_tag(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
int i
rc_t issue(connection &con)
Issue the command to VPP/HW.
A command class to set tag on interfaces.
Error codes that VPP will return during a HW write.
Definition: types.hpp:89
An L3 protocol can be used to construct a prefix that is used to match packets are part of a route...
Definition: prefix.hpp:52
virtual void retire(connection &con)
Retire/cancel a long running command.
Definition: rpc_cmd.hpp:128
A command class that enables detailed stats collection on an interface.
C++ VPP API.
A command class that changes the MAC address on an interface.
const std::string & m_name
The name of the interface to be created.
Definition: interface.hpp:364
A representation of the connection to VPP.
Definition: connection.hpp:33
std::unique_ptr< interface > new_interface(const vapi_payload_sw_interface_details &vd)
Factory method to construct a new interface from the VPP record.
A class that listens to interface Events.
Definition: interface.hpp:431
A base class for all RPC commands to VPP.
Definition: rpc_cmd.hpp:40
u8 name[64]
Definition: memclnt.api:152
A command class to create Loopback interfaces in VPP.
A command class to create bvi interfaces in VPP.
A cmd class that changes the admin state.
A command class that binds an interface to an L3 table.
virtual bool operator==(const create_cmd &o) const
Comparison operator - only used for UT.
Definition: interface.hpp:321
A command class represents our desire to recieve interface events.
A cmd class that Dumps all the Vpp Interfaces.
Base class for intterface Delete commands.
Definition: interface.hpp:371
A command class to create af_packet interfaces in VPP.
A type declaration of an interface handle in VPP.
Definition: types.hpp:233
A functor class that deletes a Vhost interface.
bvi_create_cmd(HW::item< handle_t > &item, const std::string &name)
Constructor taking the HW::item to update and the name of the interface to create.
A command class to delete bvi interfaces in VPP.
A command class to delete af-packet interfaces in VPP.
A base class for interface Create commands.
Definition: interface.hpp:304
The VPP Object Model (VOM) library.
Definition: acl_binding.cpp:19
A command class to delete loopback interfaces in VPP.
A functor class that creates an interface.
An Event command base class.
Definition: event_cmd.hpp:39
A cmd class that Dumps all the Vpp interfaces.
A base class for VPP dump commands.
Definition: dump_cmd.hpp:43
HW::item< handle_t > & item()
return the HW item the command updates
Definition: rpc_cmd.hpp:66