FD.io VPP  v17.01.1-3-gc6833f8
Vector Packet Processing
interface.c
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2015 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  * ethernet_interface.c: ethernet interfaces
17  *
18  * Copyright (c) 2008 Eliot Dresselhaus
19  *
20  * Permission is hereby granted, free of charge, to any person obtaining
21  * a copy of this software and associated documentation files (the
22  * "Software"), to deal in the Software without restriction, including
23  * without limitation the rights to use, copy, modify, merge, publish,
24  * distribute, sublicense, and/or sell copies of the Software, and to
25  * permit persons to whom the Software is furnished to do so, subject to
26  * the following conditions:
27  *
28  * The above copyright notice and this permission notice shall be
29  * included in all copies or substantial portions of the Software.
30  *
31  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38  */
39 
40 #include <vnet/vnet.h>
41 #include <vnet/ip/ip.h>
42 #include <vnet/pg/pg.h>
43 #include <vnet/ethernet/ethernet.h>
44 #include <vnet/l2/l2_input.h>
45 #include <vnet/adj/adj.h>
46 
47 /**
48  * @file
49  * @brief Loopback Interfaces.
50  *
51  * This file contains code to manage loopback interfaces.
52  */
53 
54 /**
55  * @brief build a rewrite string to use for sending packets of type 'link_type'
56  * to 'dst_address'
57  */
58 u8 *
60  u32 sw_if_index,
61  vnet_link_t link_type, const void *dst_address)
62 {
63  vnet_sw_interface_t *sub_sw = vnet_get_sw_interface (vnm, sw_if_index);
64  vnet_sw_interface_t *sup_sw = vnet_get_sup_sw_interface (vnm, sw_if_index);
65  vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
70  uword n_bytes = sizeof (h[0]);
71  u8 *rewrite = NULL;
72 
73  if (sub_sw != sup_sw)
74  {
75  if (sub_sw->sub.eth.flags.one_tag)
76  {
77  n_bytes += sizeof (ethernet_vlan_header_t);
78  }
79  else if (sub_sw->sub.eth.flags.two_tags)
80  {
81  n_bytes += 2 * (sizeof (ethernet_vlan_header_t));
82  }
83  // Check for encaps that are not supported for L3 interfaces
84  if (!(sub_sw->sub.eth.flags.exact_match) ||
85  (sub_sw->sub.eth.flags.default_sub) ||
86  (sub_sw->sub.eth.flags.outer_vlan_id_any) ||
87  (sub_sw->sub.eth.flags.inner_vlan_id_any))
88  {
89  return 0;
90  }
91  }
92 
93  switch (link_type)
94  {
95 #define _(a,b) case VNET_LINK_##a: type = ETHERNET_TYPE_##b; break
96  _(IP4, IP4);
97  _(IP6, IP6);
98  _(MPLS, MPLS_UNICAST);
99  _(ARP, ARP);
100 #undef _
101  default:
102  return NULL;
103  }
104 
105  vec_validate (rewrite, n_bytes - 1);
106  h = (ethernet_header_t *) rewrite;
107  ei = pool_elt_at_index (em->interfaces, hw->hw_instance);
108  clib_memcpy (h->src_address, ei->address, sizeof (h->src_address));
109  if (dst_address)
110  clib_memcpy (h->dst_address, dst_address, sizeof (h->dst_address));
111  else
112  memset (h->dst_address, ~0, sizeof (h->dst_address)); /* broadcast */
113 
114  if (sub_sw->sub.eth.flags.one_tag)
115  {
116  ethernet_vlan_header_t *outer = (void *) (h + 1);
117 
118  h->type = sub_sw->sub.eth.flags.dot1ad ?
119  clib_host_to_net_u16 (ETHERNET_TYPE_DOT1AD) :
120  clib_host_to_net_u16 (ETHERNET_TYPE_VLAN);
121  outer->priority_cfi_and_id =
122  clib_host_to_net_u16 (sub_sw->sub.eth.outer_vlan_id);
123  outer->type = clib_host_to_net_u16 (type);
124 
125  }
126  else if (sub_sw->sub.eth.flags.two_tags)
127  {
128  ethernet_vlan_header_t *outer = (void *) (h + 1);
129  ethernet_vlan_header_t *inner = (void *) (outer + 1);
130 
131  h->type = sub_sw->sub.eth.flags.dot1ad ?
132  clib_host_to_net_u16 (ETHERNET_TYPE_DOT1AD) :
133  clib_host_to_net_u16 (ETHERNET_TYPE_VLAN);
134  outer->priority_cfi_and_id =
135  clib_host_to_net_u16 (sub_sw->sub.eth.outer_vlan_id);
136  outer->type = clib_host_to_net_u16 (ETHERNET_TYPE_VLAN);
137  inner->priority_cfi_and_id =
138  clib_host_to_net_u16 (sub_sw->sub.eth.inner_vlan_id);
139  inner->type = clib_host_to_net_u16 (type);
140 
141  }
142  else
143  {
144  h->type = clib_host_to_net_u16 (type);
145  }
146 
147  return (rewrite);
148 }
149 
150 void
152 {
153  ip_adjacency_t *adj;
154 
155  adj = adj_get (ai);
156 
157  if (FIB_PROTOCOL_IP4 == adj->ia_nh_proto)
158  {
159  arp_update_adjacency (vnm, sw_if_index, ai);
160  }
161  else if (FIB_PROTOCOL_IP6 == adj->ia_nh_proto)
162  {
163  ip6_ethernet_update_adjacency (vnm, sw_if_index, ai);
164  }
165  else
166  {
167  ASSERT (0);
168  }
169 }
170 
171 static clib_error_t *
173 {
175  ethernet_main_t *em;
176 
177  em = &ethernet_main;
178  ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
179 
181  STRUCT_SIZE_OF (ethernet_header_t, src_address) - 1);
182  clib_memcpy (hi->hw_address, mac_address, vec_len (hi->hw_address));
183 
184  clib_memcpy (ei->address, (u8 *) mac_address, sizeof (ei->address));
187 
188  return (NULL);
189 }
190 
191 /* *INDENT-OFF* */
193  .name = "Ethernet",
194  .format_address = format_ethernet_address,
195  .format_header = format_ethernet_header_with_length,
196  .unformat_hw_address = unformat_ethernet_address,
197  .unformat_header = unformat_ethernet_header,
198  .build_rewrite = ethernet_build_rewrite,
199  .update_adjacency = ethernet_update_adjacency,
200  .mac_addr_change_function = ethernet_mac_change,
201 };
202 /* *INDENT-ON* */
203 
204 uword
206 {
207  vnet_main_t *vnm = va_arg (*args, vnet_main_t *);
208  u32 *result = va_arg (*args, u32 *);
209  u32 hw_if_index;
212 
213  if (!unformat_user (input, unformat_vnet_hw_interface, vnm, &hw_if_index))
214  return 0;
215 
216  eif = ethernet_get_interface (em, hw_if_index);
217  if (eif)
218  {
219  *result = hw_if_index;
220  return 1;
221  }
222  return 0;
223 }
224 
225 clib_error_t *
227  u32 dev_class_index,
228  u32 dev_instance,
229  u8 * address,
230  u32 * hw_if_index_return,
232 {
236  clib_error_t *error = 0;
237  u32 hw_if_index;
238 
239  pool_get (em->interfaces, ei);
240  ei->flag_change = flag_change;
241 
242  hw_if_index = vnet_register_interface
243  (vnm,
244  dev_class_index, dev_instance,
245  ethernet_hw_interface_class.index, ei - em->interfaces);
246  *hw_if_index_return = hw_if_index;
247 
248  hi = vnet_get_hw_interface (vnm, hw_if_index);
249 
251 
257  /* preamble */ 8 + /* inter frame gap */ 12;
258 
259  /* Standard default ethernet MTU. */
261 
262  clib_memcpy (ei->address, address, sizeof (ei->address));
263  vec_free (hi->hw_address);
264  vec_add (hi->hw_address, address, sizeof (ei->address));
265 
266  if (error)
267  {
268  pool_put (em->interfaces, ei);
269  return error;
270  }
271  return error;
272 }
273 
274 void
276 {
280  main_intf_t *main_intf;
281  vlan_table_t *vlan_table;
282  u32 idx;
283 
284  hi = vnet_get_hw_interface (vnm, hw_if_index);
285  ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
286 
287  /* Delete vlan mapping table for dot1q and dot1ad. */
288  main_intf = vec_elt_at_index (em->main_intfs, hi->hw_if_index);
289  if (main_intf->dot1q_vlans)
290  {
291  vlan_table = vec_elt_at_index (em->vlan_pool, main_intf->dot1q_vlans);
292  for (idx = 0; idx < ETHERNET_N_VLAN; idx++)
293  {
294  if (vlan_table->vlans[idx].qinqs)
295  {
296  pool_put_index (em->qinq_pool, vlan_table->vlans[idx].qinqs);
297  }
298  }
299  pool_put_index (em->vlan_pool, main_intf->dot1q_vlans);
300  }
301  if (main_intf->dot1ad_vlans)
302  {
303  vlan_table = vec_elt_at_index (em->vlan_pool, main_intf->dot1ad_vlans);
304  for (idx = 0; idx < ETHERNET_N_VLAN; idx++)
305  {
306  if (vlan_table->vlans[idx].qinqs)
307  {
308  pool_put_index (em->qinq_pool, vlan_table->vlans[idx].qinqs);
309  }
310  }
311  pool_put_index (em->vlan_pool, main_intf->dot1ad_vlans);
312  }
313 
314  vnet_delete_hw_interface (vnm, hw_if_index);
315  pool_put (em->interfaces, ei);
316 }
317 
318 u32
320 {
324 
325  hi = vnet_get_hw_interface (vnm, hw_if_index);
326 
328 
329  ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
330  if (ei->flag_change)
331  return ei->flag_change (vnm, hi, flags);
332  return (u32) ~ 0;
333 }
334 
335 /* Echo packets back to ethernet/l2-input. */
336 static uword
338  vlib_node_runtime_t * node,
339  vlib_frame_t * frame)
340 {
341  u32 n_left_from, n_left_to_next, n_copy, *from, *to_next;
343  u32 i, next_node_index, bvi_flag, sw_if_index;
344  u32 n_pkts = 0, n_bytes = 0;
345  u32 cpu_index = vm->cpu_index;
346  vnet_main_t *vnm = vnet_get_main ();
348  vlib_node_main_t *nm = &vm->node_main;
349  vlib_node_t *loop_node;
350  vlib_buffer_t *b;
351 
352  // check tx node index, it is ethernet-input on loopback create
353  // but can be changed to l2-input if loopback is configured as
354  // BVI of a BD (Bridge Domain).
355  loop_node = vec_elt (nm->nodes, node->node_index);
356  next_node_index = loop_node->next_nodes[next_index];
357  bvi_flag = (next_node_index == l2input_node.index) ? 1 : 0;
358 
359  n_left_from = frame->n_vectors;
360  from = vlib_frame_args (frame);
361 
362  while (n_left_from > 0)
363  {
364  vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
365 
366  n_copy = clib_min (n_left_from, n_left_to_next);
367 
368  clib_memcpy (to_next, from, n_copy * sizeof (from[0]));
369  n_left_to_next -= n_copy;
370  n_left_from -= n_copy;
371  i = 0;
372  b = vlib_get_buffer (vm, from[i]);
373  sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_TX];
374  while (1)
375  {
376  // Set up RX and TX indices as if received from a real driver
377  // unless loopback is used as a BVI. For BVI case, leave TX index
378  // and update l2_len in packet as required for l2 forwarding path
379  vnet_buffer (b)->sw_if_index[VLIB_RX] = sw_if_index;
380  if (bvi_flag)
381  {
382  vnet_update_l2_len (b);
383  vnet_buffer (b)->sw_if_index[VLIB_TX] = L2INPUT_BVI;
384  }
385  else
386  vnet_buffer (b)->sw_if_index[VLIB_TX] = (u32) ~ 0;
387 
388  i++;
389  n_pkts++;
390  n_bytes += vlib_buffer_length_in_chain (vm, b);
391 
392  if (i < n_copy)
393  b = vlib_get_buffer (vm, from[i]);
394  else
395  break;
396  }
397  from += n_copy;
398 
399  vlib_put_next_frame (vm, node, next_index, n_left_to_next);
400 
401  /* increment TX interface stat */
403  VNET_INTERFACE_COUNTER_TX, cpu_index,
404  sw_if_index, n_pkts, n_bytes);
405  }
406 
407  return n_left_from;
408 }
409 
410 static u8 *
411 format_simulated_ethernet_name (u8 * s, va_list * args)
412 {
413  u32 dev_instance = va_arg (*args, u32);
414  return format (s, "loop%d", dev_instance);
415 }
416 
417 static clib_error_t *
419  u32 flags)
420 {
421  u32 hw_flags = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
423  vnet_hw_interface_set_flags (vnm, hw_if_index, hw_flags);
424  return 0;
425 }
426 
427 /* *INDENT-OFF* */
428 VNET_DEVICE_CLASS (ethernet_simulated_device_class) = {
429  .name = "Loopback",
430  .format_device_name = format_simulated_ethernet_name,
431  .tx_function = simulated_ethernet_interface_tx,
432  .admin_up_down_function = simulated_ethernet_admin_up_down,
433 };
434 /* *INDENT-ON* */
435 
436 int
437 vnet_create_loopback_interface (u32 * sw_if_indexp, u8 * mac_address)
438 {
439  vnet_main_t *vnm = vnet_get_main ();
440  vlib_main_t *vm = vlib_get_main ();
441  clib_error_t *error;
442  static u32 instance;
443  u8 address[6];
444  u32 hw_if_index;
445  vnet_hw_interface_t *hw_if;
446  u32 slot;
447  int rv = 0;
448 
449  ASSERT (sw_if_indexp);
450 
451  *sw_if_indexp = (u32) ~ 0;
452 
453  memset (address, 0, sizeof (address));
454 
455  /*
456  * Default MAC address (dead:0000:0000 + instance) is allocated
457  * if zero mac_address is configured. Otherwise, user-configurable MAC
458  * address is programmed on the loopback interface.
459  */
460  if (memcmp (address, mac_address, sizeof (address)))
461  clib_memcpy (address, mac_address, sizeof (address));
462  else
463  {
464  address[0] = 0xde;
465  address[1] = 0xad;
466  address[5] = instance;
467  }
468 
470  (vnm,
471  ethernet_simulated_device_class.index, instance++, address, &hw_if_index,
472  /* flag change */ 0);
473 
474  if (error)
475  {
476  rv = VNET_API_ERROR_INVALID_REGISTRATION;
477  clib_error_report (error);
478  return rv;
479  }
480 
481  hw_if = vnet_get_hw_interface (vnm, hw_if_index);
483  (vm, hw_if->tx_node_index,
486 
487  {
488  vnet_sw_interface_t *si = vnet_get_hw_sw_interface (vnm, hw_if_index);
489  *sw_if_indexp = si->sw_if_index;
490  }
491 
492  return 0;
493 }
494 
495 static clib_error_t *
497  unformat_input_t * input,
498  vlib_cli_command_t * cmd)
499 {
500  int rv;
501  u32 sw_if_index;
502  u8 mac_address[6];
503 
504  memset (mac_address, 0, sizeof (mac_address));
505 
507  {
508  if (unformat (input, "mac %U", unformat_ethernet_address, mac_address))
509  ;
510  else
511  break;
512  }
513 
514  rv = vnet_create_loopback_interface (&sw_if_index, mac_address);
515 
516  if (rv)
517  return clib_error_return (0, "vnet_create_loopback_interface failed");
518 
520  sw_if_index);
521  return 0;
522 }
523 
524 /*?
525  * Create a loopback interface. Optionally, a MAC Address can be
526  * provided. If not provided, de:ad:00:00:00:<loopId> will be used.
527  *
528  * @cliexpar
529  * The following two command syntaxes are equivalent:
530  * @cliexcmd{loopback create-interface [mac <mac-addr>]}
531  * @cliexcmd{create loopback interface [mac <mac-addr>]}
532  * Example of how to create a loopback interface:
533  * @cliexcmd{loopback create-interface}
534 ?*/
535 /* *INDENT-OFF* */
536 VLIB_CLI_COMMAND (create_simulated_ethernet_interface_command, static) = {
537  .path = "loopback create-interface",
538  .short_help = "loopback create-interface [mac <mac-addr>]",
540 };
541 /* *INDENT-ON* */
542 
543 /*?
544  * Create a loopback interface. Optionally, a MAC Address can be
545  * provided. If not provided, de:ad:00:00:00:<loopId> will be used.
546  *
547  * @cliexpar
548  * The following two command syntaxes are equivalent:
549  * @cliexcmd{loopback create-interface [mac <mac-addr>]}
550  * @cliexcmd{create loopback interface [mac <mac-addr>]}
551  * Example of how to create a loopback interface:
552  * @cliexcmd{create loopback interface}
553 ?*/
554 /* *INDENT-OFF* */
555 VLIB_CLI_COMMAND (create_loopback_interface_command, static) = {
556  .path = "create loopback interface",
557  .short_help = "create loopback interface [mac <mac-addr>]",
559 };
560 /* *INDENT-ON* */
561 
564 {
566  vnet_get_hw_interface (vnet_get_main (), hw_if_index);
567  return (i->hw_class_index ==
569  index ? pool_elt_at_index (em->interfaces, i->hw_instance) : 0);
570 }
571 
572 int
574 {
575  vnet_main_t *vnm = vnet_get_main ();
577 
578  if (pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index))
579  return VNET_API_ERROR_INVALID_SW_IF_INDEX;
580 
581  si = vnet_get_sw_interface (vnm, sw_if_index);
583 
584  return 0;
585 }
586 
587 int
589 {
590  vnet_main_t *vnm = vnet_get_main ();
591  int rv = 0;
592 
593  if (pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index))
594  return VNET_API_ERROR_INVALID_SW_IF_INDEX;
595 
596 
598  vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
599 
600  if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
601  {
602  vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
603  u64 sup_and_sub_key =
604  ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
605 
606  hash_unset_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
607  vnet_delete_sw_interface (vnm, sw_if_index);
608  }
609  else
610  {
611  rv = VNET_API_ERROR_INVALID_SUB_SW_IF_INDEX;
612  }
613  return rv;
614 }
615 
616 static clib_error_t *
618  unformat_input_t * input,
619  vlib_cli_command_t * cmd)
620 {
621  int rv;
622  u32 sw_if_index = ~0;
623  vnet_main_t *vnm = vnet_get_main ();
624 
626  {
627  if (unformat (input, "intfc %U",
628  unformat_vnet_sw_interface, vnm, &sw_if_index))
629  ;
630  else
631  break;
632  }
633 
634  if (sw_if_index == ~0)
635  return clib_error_return (0, "interface not specified");
636 
637  rv = vnet_delete_loopback_interface (sw_if_index);
638 
639  if (rv)
640  return clib_error_return (0, "vnet_delete_loopback_interface failed");
641 
642  return 0;
643 }
644 
645 static clib_error_t *
647  unformat_input_t * input, vlib_cli_command_t * cmd)
648 {
649  int rv = 0;
650  u32 sw_if_index = ~0;
651  vnet_main_t *vnm = vnet_get_main ();
652 
654  {
655  if (unformat
656  (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
657  ;
658  else
659  break;
660  }
661  if (sw_if_index == ~0)
662  return clib_error_return (0, "interface doesn't exist");
663 
664  if (pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index))
665  rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
666  else
667  rv = vnet_delete_sub_interface (sw_if_index);
668  if (rv)
669  return clib_error_return (0, "delete_subinterface_interface failed");
670  return 0;
671 }
672 
673 /*?
674  * Delete a loopback interface.
675  *
676  * @cliexpar
677  * The following two command syntaxes are equivalent:
678  * @cliexcmd{loopback delete-interface intfc <interface>}
679  * @cliexcmd{delete loopback interface intfc <interface>}
680  * Example of how to delete a loopback interface:
681  * @cliexcmd{loopback delete-interface intfc loop0}
682 ?*/
683 /* *INDENT-OFF* */
684 VLIB_CLI_COMMAND (delete_simulated_ethernet_interface_command, static) = {
685  .path = "loopback delete-interface",
686  .short_help = "loopback delete-interface intfc <interface>",
688 };
689 /* *INDENT-ON* */
690 
691 /*?
692  * Delete a loopback interface.
693  *
694  * @cliexpar
695  * The following two command syntaxes are equivalent:
696  * @cliexcmd{loopback delete-interface intfc <interface>}
697  * @cliexcmd{delete loopback interface intfc <interface>}
698  * Example of how to delete a loopback interface:
699  * @cliexcmd{delete loopback interface intfc loop0}
700 ?*/
701 /* *INDENT-OFF* */
702 VLIB_CLI_COMMAND (delete_loopback_interface_command, static) = {
703  .path = "delete loopback interface",
704  .short_help = "delete loopback interface intfc <interface>",
706 };
707 /* *INDENT-ON* */
708 
709 /*?
710  * Delete a sub-interface.
711  *
712  * @cliexpar
713  * Example of how to delete a sub-interface:
714  * @cliexcmd{delete sub-interface GigabitEthernet0/8/0.200}
715 ?*/
716 /* *INDENT-OFF* */
717 VLIB_CLI_COMMAND (delete_sub_interface_command, static) = {
718  .path = "delete sub-interface",
719  .short_help = "delete sub-interface <interface>",
720  .function = delete_sub_interface,
721 };
722 /* *INDENT-ON* */
723 
724 /*
725  * fd.io coding-style-patch-verification: ON
726  *
727  * Local Variables:
728  * eval: (c-set-style "gnu")
729  * End:
730  */
unformat_function_t unformat_vnet_hw_interface
u32 * next_nodes
Definition: node.h:288
#define vec_validate(V, I)
Make sure vector is long enough for given index (no header, unspecified alignment) ...
Definition: vec.h:396
void vlib_put_next_frame(vlib_main_t *vm, vlib_node_runtime_t *r, u32 next_index, u32 n_vectors_left)
Release pointer to next frame vector data.
Definition: main.c:459
vmrglw vmrglh hi
int vnet_delete_loopback_interface(u32 sw_if_index)
Definition: interface.c:573
#define ETHERNET_N_VLAN
Definition: packet.h:88
sll srl srl sll sra u16x4 i
Definition: vector_sse2.h:343
#define clib_min(x, y)
Definition: clib.h:326
static clib_error_t * delete_simulated_ethernet_interfaces(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: interface.c:617
uword unformat(unformat_input_t *i, char *fmt,...)
Definition: unformat.c:966
clib_error_t * vnet_hw_interface_set_flags(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:531
static vlib_main_t * vlib_get_main(void)
Definition: global_funcs.h:23
bad routing header type(not 4)") sr_error (NO_MORE_SEGMENTS
static vnet_hw_interface_t * vnet_get_sup_hw_interface(vnet_main_t *vnm, u32 sw_if_index)
vnet_interface_main_t interface_main
Definition: vnet.h:57
#define UNFORMAT_END_OF_INPUT
Definition: format.h:143
#define NULL
Definition: clib.h:55
ethernet_type_t
Definition: packet.h:43
IP unicast adjacency.
Definition: lookup.h:188
u8 src_address[6]
Definition: packet.h:54
static vnet_hw_interface_t * vnet_get_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
vlib_node_registration_t l2input_node
(constructor) VLIB_REGISTER_NODE (l2input_node)
Definition: l2_input.c:406
void arp_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: arp.c:428
int vnet_delete_sub_interface(u32 sw_if_index)
Definition: interface.c:588
main_intf_t * main_intfs
Definition: ethernet.h:252
static vnet_sw_interface_t * vnet_get_sw_interface(vnet_main_t *vnm, u32 sw_if_index)
unformat_function_t unformat_vnet_sw_interface
#define clib_error_report(e)
Definition: error.h:125
#define VNET_HW_INTERFACE_FLAG_LINK_UP
Definition: interface.h:377
static uword vlib_buffer_length_in_chain(vlib_main_t *vm, vlib_buffer_t *b)
Get length in bytes of the buffer chain.
Definition: buffer_funcs.h:100
#define pool_get(P, E)
Allocate an object E from a pool P (unspecified alignment).
Definition: pool.h:200
format_function_t format_vnet_sw_if_index_name
static vnet_sw_interface_t * vnet_get_hw_sw_interface(vnet_main_t *vnm, u32 hw_if_index)
#define vec_add(V, E, N)
Add N elements to end of vector V (no header, unspecified alignment)
Definition: vec.h:559
ethernet_main_t ethernet_main
Definition: ethernet.h:270
vnet_main_t * vnet_get_main(void)
Definition: misc.c:46
static ip_adjacency_t * adj_get(adj_index_t adj_index)
Get a pointer to an adjacency object from its index.
Definition: adj.h:117
u8 * format_ethernet_address(u8 *s, va_list *args)
Definition: format.c:44
struct vnet_sub_interface_t::@154::@155::@157 flags
void ip6_ethernet_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: ip6_neighbor.c:469
vlib_combined_counter_main_t * combined_sw_if_counters
Definition: interface.h:615
u8 dst_address[6]
Definition: packet.h:53
vlib_node_t ** nodes
Definition: node.h:630
#define vec_elt_at_index(v, i)
Get vector value at index i checking that i is in bounds.
static vnet_sw_interface_t * vnet_get_sup_sw_interface(vnet_main_t *vnm, u32 sw_if_index)
u32 cpu_index
Definition: main.h:159
unsigned long u64
Definition: types.h:89
ethernet_flag_change_function_t * flag_change
Definition: ethernet.h:123
static clib_error_t * simulated_ethernet_admin_up_down(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:418
uword unformat_user(unformat_input_t *input, unformat_function_t *func,...)
Definition: unformat.c:977
u32 vnet_register_interface(vnet_main_t *vnm, u32 dev_class_index, u32 dev_instance, u32 hw_class_index, u32 hw_instance)
Definition: interface.c:688
u32 max_supported_packet_bytes
Definition: interface.h:435
u16 dot1q_vlans
Definition: ethernet.h:186
#define pool_elt_at_index(p, i)
Returns pointer to element at given index.
Definition: pool.h:369
#define hash_unset_mem(h, key)
Definition: hash.h:280
vnet_sub_interface_t sub
Definition: interface.h:558
vlib_main_t * vlib_main
Definition: vnet.h:79
#define pool_put(P, E)
Free an object E in pool P.
Definition: pool.h:214
uword * sw_if_index_by_sup_and_sub
Definition: interface.h:609
static clib_error_t * ethernet_mac_change(vnet_hw_interface_t *hi, char *mac_address)
Definition: interface.c:172
u16 dot1ad_vlans
Definition: ethernet.h:187
#define vlib_get_next_frame(vm, node, next_index, vectors, n_vectors_left)
Get pointer to next frame vector data by (vlib_node_runtime_t, next_index).
Definition: node_funcs.h:350
void vlib_cli_output(vlib_main_t *vm, char *fmt,...)
Definition: cli.c:576
#define L2INPUT_BVI
Definition: l2_input.h:90
vnet_hw_interface_class_t ethernet_hw_interface_class
uword unformat_ethernet_interface(unformat_input_t *input, va_list *args)
Definition: interface.c:205
static clib_error_t * create_simulated_ethernet_interfaces(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: interface.c:496
u8 * format_ethernet_header_with_length(u8 *s, va_list *args)
Definition: format.c:115
VNET_HW_INTERFACE_CLASS(ethernet_hw_interface_class)
u16 n_vectors
Definition: node.h:344
#define vec_free(V)
Free vector&#39;s memory (no header).
Definition: vec.h:300
#define clib_memcpy(a, b, c)
Definition: string.h:69
#define VNET_SIMULATED_ETHERNET_TX_NEXT_ETHERNET_INPUT
#define pool_is_free_index(P, I)
Use free bitmap to query whether given index is free.
Definition: pool.h:211
int vnet_create_loopback_interface(u32 *sw_if_indexp, u8 *mac_address)
Definition: interface.c:437
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:154
static u8 * format_simulated_ethernet_name(u8 *s, va_list *args)
Definition: interface.c:411
void ethernet_delete_interface(vnet_main_t *vnm, u32 hw_if_index)
Definition: interface.c:275
static uword simulated_ethernet_interface_tx(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: interface.c:337
#define VNET_SW_INTERFACE_FLAG_ADMIN_UP
Definition: interface.h:528
u32 max_l3_packet_bytes[VLIB_N_RX_TX]
Definition: interface.h:449
uword unformat_ethernet_address(unformat_input_t *input, va_list *args)
Definition: format.c:245
static void vlib_increment_combined_counter(vlib_combined_counter_main_t *cm, u32 cpu_index, u32 index, u32 packet_increment, u32 byte_increment)
Increment a combined counter.
Definition: counter.h:241
#define pool_put_index(p, i)
Free pool element with given index.
Definition: pool.h:228
vlan_table_t * vlan_pool
Definition: ethernet.h:255
#define ASSERT(truth)
void ethernet_ndp_change_mac(u32 sw_if_index)
unsigned int u32
Definition: types.h:88
#define vnet_buffer(b)
Definition: buffer.h:361
clib_error_t * ethernet_register_interface(vnet_main_t *vnm, u32 dev_class_index, u32 dev_instance, u8 *address, u32 *hw_if_index_return, ethernet_flag_change_function_t flag_change)
Definition: interface.c:226
enum vnet_link_t_ vnet_link_t
Link Type: A description of the protocol of packets on the link.
u32( ethernet_flag_change_function_t)(vnet_main_t *vnm, struct vnet_hw_interface_t *hi, u32 flags)
Definition: ethernet.h:103
static void * vlib_frame_args(vlib_frame_t *f)
Get pointer to frame scalar data.
Definition: node_funcs.h:270
vlan_intf_t vlans[ETHERNET_N_VLAN]
Definition: ethernet.h:199
void vnet_delete_hw_interface(vnet_main_t *vnm, u32 hw_if_index)
Definition: interface.c:884
u64 uword
Definition: types.h:112
#define vec_elt(v, i)
Get vector value at index i.
Definition: defs.h:47
#define vec_len(v)
Number of elements in vector (rvalue-only, NULL tolerant)
unsigned char u8
Definition: types.h:56
static void vnet_update_l2_len(vlib_buffer_t *b)
Definition: l2_input.h:193
struct vnet_sub_interface_t::@154 eth
vlib_node_main_t node_main
Definition: main.h:115
vnet_sw_interface_t * sw_interfaces
Definition: interface.h:606
u32 ethernet_set_flags(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:319
u8 * ethernet_build_rewrite(vnet_main_t *vnm, u32 sw_if_index, vnet_link_t link_type, const void *dst_address)
build a rewrite string to use for sending packets of type &#39;link_type&#39; to &#39;dst_address&#39; ...
Definition: interface.c:59
Definition: lisp_types.h:37
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:169
u32 min_supported_packet_bytes
Definition: interface.h:432
vnet_sw_interface_type_t type
Definition: interface.h:523
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:418
qinq_table_t * qinq_pool
Definition: ethernet.h:258
#define STRUCT_SIZE_OF(t, f)
Definition: clib.h:64
#define ETHERNET_MAX_PACKET_BYTES
Definition: ethernet.h:106
void vnet_delete_sw_interface(vnet_main_t *vnm, u32 sw_if_index)
Definition: interface.c:638
ethernet_interface_t * ethernet_get_interface(ethernet_main_t *em, u32 hw_if_index)
Definition: interface.c:563
u32 per_packet_overhead_bytes
Definition: interface.h:446
#define clib_error_return(e, args...)
Definition: error.h:111
VNET_DEVICE_CLASS(ethernet_simulated_device_class)
struct _unformat_input_t unformat_input_t
uword vlib_node_add_named_next_with_slot(vlib_main_t *vm, uword node, char *name, uword slot)
Definition: node.c:213
u32 flags
Definition: vhost-user.h:75
Definition: lisp_types.h:38
ethernet_interface_t * interfaces
Definition: ethernet.h:243
#define ETHERNET_MIN_PACKET_BYTES
Definition: ethernet.h:105
void ethernet_arp_change_mac(u32 sw_if_index)
Definition: arp.c:2355
void ethernet_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: interface.c:151
static clib_error_t * delete_sub_interface(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: interface.c:646
static vlib_buffer_t * vlib_get_buffer(vlib_main_t *vm, u32 buffer_index)
Translate buffer index into buffer pointer.
Definition: buffer_funcs.h:57
static void ethernet_setup_node(vlib_main_t *vm, u32 node_index)
Definition: ethernet.h:331
Definition: defs.h:46
uword unformat_ethernet_header(unformat_input_t *input, va_list *args)
Definition: format.c:295