FD.io VPP  v16.12-rc0-308-g931be3a
Vector Packet Processing
interface.c
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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 /* *INDENT-OFF* */
173  .name = "Ethernet",
174  .format_address = format_ethernet_address,
175  .format_header = format_ethernet_header_with_length,
176  .unformat_hw_address = unformat_ethernet_address,
177  .unformat_header = unformat_ethernet_header,
178  .build_rewrite = ethernet_build_rewrite,
179  .update_adjacency = ethernet_update_adjacency,
180 };
181 /* *INDENT-ON* */
182 
183 uword
185 {
186  vnet_main_t *vnm = va_arg (*args, vnet_main_t *);
187  u32 *result = va_arg (*args, u32 *);
188  u32 hw_if_index;
191 
192  if (!unformat_user (input, unformat_vnet_hw_interface, vnm, &hw_if_index))
193  return 0;
194 
195  eif = ethernet_get_interface (em, hw_if_index);
196  if (eif)
197  {
198  *result = hw_if_index;
199  return 1;
200  }
201  return 0;
202 }
203 
204 clib_error_t *
206  u32 dev_class_index,
207  u32 dev_instance,
208  u8 * address,
209  u32 * hw_if_index_return,
211 {
215  clib_error_t *error = 0;
216  u32 hw_if_index;
217 
218  pool_get (em->interfaces, ei);
219  ei->flag_change = flag_change;
220 
221  hw_if_index = vnet_register_interface
222  (vnm,
223  dev_class_index, dev_instance,
224  ethernet_hw_interface_class.index, ei - em->interfaces);
225  *hw_if_index_return = hw_if_index;
226 
227  hi = vnet_get_hw_interface (vnm, hw_if_index);
228 
230 
236  /* preamble */ 8 + /* inter frame gap */ 12;
237 
238  /* Standard default ethernet MTU. */
240 
241  clib_memcpy (ei->address, address, sizeof (ei->address));
242  vec_free (hi->hw_address);
243  vec_add (hi->hw_address, address, sizeof (ei->address));
244 
245  if (error)
246  {
247  pool_put (em->interfaces, ei);
248  return error;
249  }
250  return error;
251 }
252 
253 void
255 {
259  main_intf_t *main_intf;
260  vlan_table_t *vlan_table;
261  u32 idx;
262 
263  hi = vnet_get_hw_interface (vnm, hw_if_index);
264  ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
265 
266  /* Delete vlan mapping table for dot1q and dot1ad. */
267  main_intf = vec_elt_at_index (em->main_intfs, hi->hw_if_index);
268  if (main_intf->dot1q_vlans)
269  {
270  vlan_table = vec_elt_at_index (em->vlan_pool, main_intf->dot1q_vlans);
271  for (idx = 0; idx < ETHERNET_N_VLAN; idx++)
272  {
273  if (vlan_table->vlans[idx].qinqs)
274  {
275  pool_put_index (em->qinq_pool, vlan_table->vlans[idx].qinqs);
276  }
277  }
278  pool_put_index (em->vlan_pool, main_intf->dot1q_vlans);
279  }
280  if (main_intf->dot1ad_vlans)
281  {
282  vlan_table = vec_elt_at_index (em->vlan_pool, main_intf->dot1ad_vlans);
283  for (idx = 0; idx < ETHERNET_N_VLAN; idx++)
284  {
285  if (vlan_table->vlans[idx].qinqs)
286  {
287  pool_put_index (em->qinq_pool, vlan_table->vlans[idx].qinqs);
288  }
289  }
290  pool_put_index (em->vlan_pool, main_intf->dot1ad_vlans);
291  }
292 
293  vnet_delete_hw_interface (vnm, hw_if_index);
294  pool_put (em->interfaces, ei);
295 }
296 
297 u32
299 {
303 
304  hi = vnet_get_hw_interface (vnm, hw_if_index);
305 
307 
308  ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
309  if (ei->flag_change)
310  return ei->flag_change (vnm, hi, flags);
311  return (u32) ~ 0;
312 }
313 
314 /* Echo packets back to ethernet/l2-input. */
315 static uword
317  vlib_node_runtime_t * node,
318  vlib_frame_t * frame)
319 {
320  u32 n_left_from, n_left_to_next, n_copy, *from, *to_next;
322  u32 i, next_node_index, bvi_flag, sw_if_index;
323  u32 n_pkts = 0, n_bytes = 0;
324  u32 cpu_index = vm->cpu_index;
325  vnet_main_t *vnm = vnet_get_main ();
327  vlib_node_main_t *nm = &vm->node_main;
328  vlib_node_t *loop_node;
329  vlib_buffer_t *b;
330 
331  // check tx node index, it is ethernet-input on loopback create
332  // but can be changed to l2-input if loopback is configured as
333  // BVI of a BD (Bridge Domain).
334  loop_node = vec_elt (nm->nodes, node->node_index);
335  next_node_index = loop_node->next_nodes[next_index];
336  bvi_flag = (next_node_index == l2input_node.index) ? 1 : 0;
337 
338  n_left_from = frame->n_vectors;
339  from = vlib_frame_args (frame);
340 
341  while (n_left_from > 0)
342  {
343  vlib_get_next_frame (vm, node, next_index, to_next, n_left_to_next);
344 
345  n_copy = clib_min (n_left_from, n_left_to_next);
346 
347  clib_memcpy (to_next, from, n_copy * sizeof (from[0]));
348  n_left_to_next -= n_copy;
349  n_left_from -= n_copy;
350  i = 0;
351  b = vlib_get_buffer (vm, from[i]);
352  sw_if_index = vnet_buffer (b)->sw_if_index[VLIB_TX];
353  while (1)
354  {
355  // Set up RX and TX indices as if received from a real driver
356  // unless loopback is used as a BVI. For BVI case, leave TX index
357  // and update l2_len in packet as required for l2 forwarding path
358  vnet_buffer (b)->sw_if_index[VLIB_RX] = sw_if_index;
359  if (bvi_flag)
360  {
361  vnet_update_l2_len (b);
362  vnet_buffer (b)->sw_if_index[VLIB_TX] = L2INPUT_BVI;
363  }
364  else
365  vnet_buffer (b)->sw_if_index[VLIB_TX] = (u32) ~ 0;
366 
367  i++;
368  n_pkts++;
369  n_bytes += vlib_buffer_length_in_chain (vm, b);
370 
371  if (i < n_copy)
372  b = vlib_get_buffer (vm, from[i]);
373  else
374  break;
375  }
376  from += n_copy;
377 
378  vlib_put_next_frame (vm, node, next_index, n_left_to_next);
379 
380  /* increment TX interface stat */
382  VNET_INTERFACE_COUNTER_TX, cpu_index,
383  sw_if_index, n_pkts, n_bytes);
384  }
385 
386  return n_left_from;
387 }
388 
389 static u8 *
390 format_simulated_ethernet_name (u8 * s, va_list * args)
391 {
392  u32 dev_instance = va_arg (*args, u32);
393  return format (s, "loop%d", dev_instance);
394 }
395 
396 static clib_error_t *
398  u32 flags)
399 {
400  u32 hw_flags = (flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
402  vnet_hw_interface_set_flags (vnm, hw_if_index, hw_flags);
403  return 0;
404 }
405 
406 /* *INDENT-OFF* */
407 VNET_DEVICE_CLASS (ethernet_simulated_device_class) = {
408  .name = "Loopback",
409  .format_device_name = format_simulated_ethernet_name,
410  .tx_function = simulated_ethernet_interface_tx,
411  .admin_up_down_function = simulated_ethernet_admin_up_down,
412  .no_flatten_output_chains = 1,
413 };
414 /* *INDENT-ON* */
415 
416 int
417 vnet_create_loopback_interface (u32 * sw_if_indexp, u8 * mac_address)
418 {
419  vnet_main_t *vnm = vnet_get_main ();
420  vlib_main_t *vm = vlib_get_main ();
421  clib_error_t *error;
422  static u32 instance;
423  u8 address[6];
424  u32 hw_if_index;
425  vnet_hw_interface_t *hw_if;
426  u32 slot;
427  int rv = 0;
428 
429  ASSERT (sw_if_indexp);
430 
431  *sw_if_indexp = (u32) ~ 0;
432 
433  memset (address, 0, sizeof (address));
434 
435  /*
436  * Default MAC address (dead:0000:0000 + instance) is allocated
437  * if zero mac_address is configured. Otherwise, user-configurable MAC
438  * address is programmed on the loopback interface.
439  */
440  if (memcmp (address, mac_address, sizeof (address)))
441  clib_memcpy (address, mac_address, sizeof (address));
442  else
443  {
444  address[0] = 0xde;
445  address[1] = 0xad;
446  address[5] = instance;
447  }
448 
450  (vnm,
451  ethernet_simulated_device_class.index, instance++, address, &hw_if_index,
452  /* flag change */ 0);
453 
454  if (error)
455  {
456  rv = VNET_API_ERROR_INVALID_REGISTRATION;
457  clib_error_report (error);
458  return rv;
459  }
460 
461  hw_if = vnet_get_hw_interface (vnm, hw_if_index);
463  (vm, hw_if->tx_node_index,
466 
467  {
468  vnet_sw_interface_t *si = vnet_get_hw_sw_interface (vnm, hw_if_index);
469  *sw_if_indexp = si->sw_if_index;
470  }
471 
472  return 0;
473 }
474 
475 static clib_error_t *
477  unformat_input_t * input,
478  vlib_cli_command_t * cmd)
479 {
480  int rv;
481  u32 sw_if_index;
482  u8 mac_address[6];
483 
484  memset (mac_address, 0, sizeof (mac_address));
485 
487  {
488  if (unformat (input, "mac %U", unformat_ethernet_address, mac_address))
489  ;
490  else
491  break;
492  }
493 
494  rv = vnet_create_loopback_interface (&sw_if_index, mac_address);
495 
496  if (rv)
497  return clib_error_return (0, "vnet_create_loopback_interface failed");
498 
500  sw_if_index);
501  return 0;
502 }
503 
504 /*?
505  * Create a loopback interface. Optionally, a MAC Address can be
506  * provided. If not provided, de:ad:00:00:00:<loopId> will be used.
507  *
508  * @cliexpar
509  * The following two command syntaxes are equivalent:
510  * @cliexcmd{loopback create-interface [mac <mac-addr>]}
511  * @cliexcmd{create loopback interface [mac <mac-addr>]}
512  * Example of how to create a loopback interface:
513  * @cliexcmd{loopback create-interface}
514 ?*/
515 /* *INDENT-OFF* */
516 VLIB_CLI_COMMAND (create_simulated_ethernet_interface_command, static) = {
517  .path = "loopback create-interface",
518  .short_help = "loopback create-interface [mac <mac-addr>]",
520 };
521 /* *INDENT-ON* */
522 
523 /*?
524  * Create a loopback interface. Optionally, a MAC Address can be
525  * provided. If not provided, de:ad:00:00:00:<loopId> will be used.
526  *
527  * @cliexpar
528  * The following two command syntaxes are equivalent:
529  * @cliexcmd{loopback create-interface [mac <mac-addr>]}
530  * @cliexcmd{create loopback interface [mac <mac-addr>]}
531  * Example of how to create a loopback interface:
532  * @cliexcmd{create loopback interface}
533 ?*/
534 /* *INDENT-OFF* */
535 VLIB_CLI_COMMAND (create_loopback_interface_command, static) = {
536  .path = "create loopback interface",
537  .short_help = "create loopback interface [mac <mac-addr>]",
539 };
540 /* *INDENT-ON* */
541 
544 {
546  vnet_get_hw_interface (vnet_get_main (), hw_if_index);
547  return (i->hw_class_index ==
549  index ? pool_elt_at_index (em->interfaces, i->hw_instance) : 0);
550 }
551 
552 int
554 {
555  vnet_main_t *vnm = vnet_get_main ();
557 
558  if (pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index))
559  return VNET_API_ERROR_INVALID_SW_IF_INDEX;
560 
561  si = vnet_get_sw_interface (vnm, sw_if_index);
563 
564  return 0;
565 }
566 
567 int
569 {
570  vnet_main_t *vnm = vnet_get_main ();
571  int rv = 0;
572 
573  if (pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index))
574  return VNET_API_ERROR_INVALID_SW_IF_INDEX;
575 
576 
578  vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
579 
580  if (si->type == VNET_SW_INTERFACE_TYPE_SUB)
581  {
582  vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
583  u64 sup_and_sub_key =
584  ((u64) (si->sup_sw_if_index) << 32) | (u64) si->sub.id;
585 
586  hash_unset_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
587  vnet_delete_sw_interface (vnm, sw_if_index);
588  }
589  else
590  {
591  rv = VNET_API_ERROR_INVALID_SUB_SW_IF_INDEX;
592  }
593  return rv;
594 }
595 
596 static clib_error_t *
598  unformat_input_t * input,
599  vlib_cli_command_t * cmd)
600 {
601  int rv;
602  u32 sw_if_index = ~0;
603  vnet_main_t *vnm = vnet_get_main ();
604 
606  {
607  if (unformat (input, "intfc %U",
608  unformat_vnet_sw_interface, vnm, &sw_if_index))
609  ;
610  else
611  break;
612  }
613 
614  if (sw_if_index == ~0)
615  return clib_error_return (0, "interface not specified");
616 
617  rv = vnet_delete_loopback_interface (sw_if_index);
618 
619  if (rv)
620  return clib_error_return (0, "vnet_delete_loopback_interface failed");
621 
622  return 0;
623 }
624 
625 static clib_error_t *
627  unformat_input_t * input, vlib_cli_command_t * cmd)
628 {
629  int rv = 0;
630  u32 sw_if_index = ~0;
631  vnet_main_t *vnm = vnet_get_main ();
632 
634  {
635  if (unformat
636  (input, "%U", unformat_vnet_sw_interface, vnm, &sw_if_index))
637  ;
638  else
639  break;
640  }
641  if (sw_if_index == ~0)
642  return clib_error_return (0, "interface doesn't exist");
643 
644  if (pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index))
645  rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
646  else
647  rv = vnet_delete_sub_interface (sw_if_index);
648  if (rv)
649  return clib_error_return (0, "delete_subinterface_interface failed");
650  return 0;
651 }
652 
653 /*?
654  * Delete a loopback interface.
655  *
656  * @cliexpar
657  * The following two command syntaxes are equivalent:
658  * @cliexcmd{loopback delete-interface intfc <interface>}
659  * @cliexcmd{delete loopback interface intfc <interface>}
660  * Example of how to delete a loopback interface:
661  * @cliexcmd{loopback delete-interface intfc loop0}
662 ?*/
663 /* *INDENT-OFF* */
664 VLIB_CLI_COMMAND (delete_simulated_ethernet_interface_command, static) = {
665  .path = "loopback delete-interface",
666  .short_help = "loopback delete-interface intfc <interface>",
668 };
669 /* *INDENT-ON* */
670 
671 /*?
672  * Delete a loopback interface.
673  *
674  * @cliexpar
675  * The following two command syntaxes are equivalent:
676  * @cliexcmd{loopback delete-interface intfc <interface>}
677  * @cliexcmd{delete loopback interface intfc <interface>}
678  * Example of how to delete a loopback interface:
679  * @cliexcmd{delete loopback interface intfc loop0}
680 ?*/
681 /* *INDENT-OFF* */
682 VLIB_CLI_COMMAND (delete_loopback_interface_command, static) = {
683  .path = "delete loopback interface",
684  .short_help = "delete loopback interface intfc <interface>",
686 };
687 /* *INDENT-ON* */
688 
689 /*?
690  * Delete a sub-interface.
691  *
692  * @cliexpar
693  * Example of how to delete a sub-interface:
694  * @cliexcmd{delete sub-interface GigabitEthernet0/8/0.200}
695 ?*/
696 /* *INDENT-OFF* */
697 VLIB_CLI_COMMAND (delete_sub_interface_command, static) = {
698  .path = "delete sub-interface",
699  .short_help = "delete sub-interface <interface>",
700  .function = delete_sub_interface,
701 };
702 /* *INDENT-ON* */
703 
704 /*
705  * fd.io coding-style-patch-verification: ON
706  *
707  * Local Variables:
708  * eval: (c-set-style "gnu")
709  * End:
710  */
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:457
vmrglw vmrglh hi
int vnet_delete_loopback_interface(u32 sw_if_index)
Definition: interface.c:553
#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:597
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:522
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:72
#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:174
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:452
void arp_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: arp.c:447
int vnet_delete_sub_interface(u32 sw_if_index)
Definition: interface.c:568
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:348
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:112
#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:279
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
void ip6_ethernet_update_adjacency(vnet_main_t *vnm, u32 sw_if_index, u32 ai)
Definition: ip6_neighbor.c:484
vlib_combined_counter_main_t * combined_sw_if_counters
Definition: interface.h:577
u8 dst_address[6]
Definition: packet.h:53
vlib_node_t ** nodes
Definition: node.h:633
#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:397
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:660
u32 max_supported_packet_bytes
Definition: interface.h:406
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:522
vlib_main_t * vlib_main
Definition: vnet.h:88
#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:571
struct vnet_sub_interface_t::@143::@144::@146 flags
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:575
#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:184
static clib_error_t * create_simulated_ethernet_interfaces(vlib_main_t *vm, unformat_input_t *input, vlib_cli_command_t *cmd)
Definition: interface.c:476
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:64
struct vnet_sub_interface_t::@143 eth
#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:417
#define VLIB_CLI_COMMAND(x,...)
Definition: cli.h:154
static u8 * format_simulated_ethernet_name(u8 *s, va_list *args)
Definition: interface.c:390
void ethernet_delete_interface(vnet_main_t *vnm, u32 hw_if_index)
Definition: interface.c:254
static uword simulated_ethernet_interface_tx(vlib_main_t *vm, vlib_node_runtime_t *node, vlib_frame_t *frame)
Definition: interface.c:316
#define VNET_SW_INTERFACE_FLAG_ADMIN_UP
Definition: interface.h:490
u32 max_l3_packet_bytes[VLIB_N_RX_TX]
Definition: interface.h:420
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)
unsigned int u32
Definition: types.h:88
#define vnet_buffer(b)
Definition: buffer.h:333
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:205
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:837
u64 uword
Definition: types.h:112
#define vec_elt(v, i)
Get vector value at index i.
Definition: defs.h:47
unsigned char u8
Definition: types.h:56
static void vnet_update_l2_len(vlib_buffer_t *b)
Definition: l2_input.h:233
vlib_node_main_t node_main
Definition: main.h:115
vnet_sw_interface_t * sw_interfaces
Definition: interface.h:568
u32 ethernet_set_flags(vnet_main_t *vnm, u32 hw_if_index, u32 flags)
Definition: interface.c:298
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:24
static uword unformat_check_input(unformat_input_t *i)
Definition: format.h:169
u32 min_supported_packet_bytes
Definition: interface.h:403
vnet_sw_interface_type_t type
Definition: interface.h:485
u8 * format(u8 *s, const char *fmt,...)
Definition: format.c:418
qinq_table_t * qinq_pool
Definition: ethernet.h:258
#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:620
ethernet_interface_t * ethernet_get_interface(ethernet_main_t *em, u32 hw_if_index)
Definition: interface.c:543
u32 per_packet_overhead_bytes
Definition: interface.h:417
#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:25
ethernet_interface_t * interfaces
Definition: ethernet.h:243
#define ETHERNET_MIN_PACKET_BYTES
Definition: ethernet.h:105
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:626
static vlib_buffer_t * vlib_get_buffer(vlib_main_t *vm, u32 buffer_index)
Translate buffer index into buffer pointer.
Definition: buffer_funcs.h:69
static void ethernet_setup_node(vlib_main_t *vm, u32 node_index)
Definition: ethernet.h:353
Definition: defs.h:46
uword unformat_ethernet_header(unformat_input_t *input, va_list *args)
Definition: format.c:295