2 *------------------------------------------------------------------
3 * Copyright (c) 2017 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
19 #include <vlib/vlib.h>
20 #include <vlib/unix/unix.h>
21 #include <vnet/ethernet/ethernet.h>
22 #include <vnet/bonding/node.h>
23 #include <vpp/stats/stat_segment.h>
26 bond_disable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif)
28 bond_main_t *bm = &bond_main;
32 u8 switching_active = 0;
34 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
35 clib_spinlock_lock_if_init (&bif->lockp);
36 vec_foreach_index (i, bif->active_slaves)
38 p = *vec_elt_at_index (bif->active_slaves, i);
39 if (p == sif->sw_if_index)
41 if ((bif->mode == BOND_MODE_ACTIVE_BACKUP) && (i == 0) &&
42 (vec_len (bif->active_slaves) > 1))
43 /* deleting the active slave for active-backup */
45 vec_del1 (bif->active_slaves, i);
46 hash_unset (bif->active_slave_by_sw_if_index, sif->sw_if_index);
47 if (sif->lacp_enabled && bif->numa_only)
49 /* For lacp mode, if we check it is a slave on local numa node,
50 bif->n_numa_slaves should be decreased by 1 becasue the first
51 bif->n_numa_slaves are all slaves on local numa node */
52 if (i < bif->n_numa_slaves)
55 ASSERT (bif->n_numa_slaves >= 0);
62 /* We get a new slave just becoming active */
64 vlib_process_signal_event (bm->vlib_main, bond_process_node.index,
65 BOND_SEND_GARP_NA, bif->hw_if_index);
66 clib_spinlock_unlock_if_init (&bif->lockp);
68 if (bif->mode == BOND_MODE_LACP)
69 stat_segment_set_state_counter (bm->stats[bif->sw_if_index]
70 [sif->sw_if_index], sif->actor.state);
74 * return 1 if s2 is preferred.
75 * return -1 if s1 is preferred.
78 bond_slave_sort (void *a1, void *a2)
82 slave_if_t *sif1 = bond_get_slave_by_sw_if_index (*s1);
83 slave_if_t *sif2 = bond_get_slave_by_sw_if_index (*s2);
89 * sort entries according to preference rules:
92 * 3. current active slave (to prevent churning)
93 * 4. lowest sw_if_index (for deterministic behavior)
96 if (sif2->weight > sif1->weight)
98 if (sif2->weight < sif1->weight)
102 if (sif2->is_local_numa > sif1->is_local_numa)
104 if (sif2->is_local_numa < sif1->is_local_numa)
108 bif = bond_get_master_by_dev_instance (sif1->bif_dev_instance);
109 /* Favor the current active slave to avoid churning */
110 if (bif->active_slaves[0] == sif2->sw_if_index)
112 if (bif->active_slaves[0] == sif1->sw_if_index)
114 /* go for the tiebreaker as the last resort */
115 if (sif1->sw_if_index > sif2->sw_if_index)
117 if (sif1->sw_if_index < sif2->sw_if_index)
127 bond_sort_slaves (bond_if_t * bif)
129 bond_main_t *bm = &bond_main;
130 u32 old_active = bif->active_slaves[0];
132 vec_sort_with_function (bif->active_slaves, bond_slave_sort);
133 if (old_active != bif->active_slaves[0])
134 vlib_process_signal_event (bm->vlib_main, bond_process_node.index,
135 BOND_SEND_GARP_NA, bif->hw_if_index);
139 bond_enable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif)
142 bond_main_t *bm = &bond_main;
143 vnet_main_t *vnm = vnet_get_main ();
144 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
146 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
147 clib_spinlock_lock_if_init (&bif->lockp);
148 if (!hash_get (bif->active_slave_by_sw_if_index, sif->sw_if_index))
150 hash_set (bif->active_slave_by_sw_if_index, sif->sw_if_index,
153 if ((sif->lacp_enabled && bif->numa_only)
154 && (vm->numa_node == hw->numa_node))
156 vec_insert_elts (bif->active_slaves, &sif->sw_if_index, 1,
158 bif->n_numa_slaves++;
161 vec_add1 (bif->active_slaves, sif->sw_if_index);
163 sif->is_local_numa = (vm->numa_node == hw->numa_node) ? 1 : 0;
164 if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
166 if (vec_len (bif->active_slaves) == 1)
167 /* First slave becomes active? */
168 vlib_process_signal_event (bm->vlib_main, bond_process_node.index,
169 BOND_SEND_GARP_NA, bif->hw_if_index);
171 bond_sort_slaves (bif);
174 clib_spinlock_unlock_if_init (&bif->lockp);
176 if (bif->mode == BOND_MODE_LACP)
177 stat_segment_set_state_counter (bm->stats[bif->sw_if_index]
178 [sif->sw_if_index], sif->actor.state);
182 bond_dump_ifs (bond_interface_details_t ** out_bondifs)
184 vnet_main_t *vnm = vnet_get_main ();
185 bond_main_t *bm = &bond_main;
187 vnet_hw_interface_t *hi;
188 bond_interface_details_t *r_bondifs = NULL;
189 bond_interface_details_t *bondif = NULL;
192 pool_foreach (bif, bm->interfaces,
193 vec_add2(r_bondifs, bondif, 1);
194 clib_memset (bondif, 0, sizeof (*bondif));
195 bondif->id = bif->id;
196 bondif->sw_if_index = bif->sw_if_index;
197 hi = vnet_get_hw_interface (vnm, bif->hw_if_index);
198 clib_memcpy(bondif->interface_name, hi->name,
199 MIN (ARRAY_LEN (bondif->interface_name) - 1,
200 strlen ((const char *) hi->name)));
201 bondif->mode = bif->mode;
202 bondif->lb = bif->lb;
203 bondif->numa_only = bif->numa_only;
204 bondif->active_slaves = vec_len (bif->active_slaves);
205 bondif->slaves = vec_len (bif->slaves);
209 *out_bondifs = r_bondifs;
215 bond_dump_slave_ifs (slave_interface_details_t ** out_slaveifs,
216 u32 bond_sw_if_index)
218 vnet_main_t *vnm = vnet_get_main ();
220 vnet_hw_interface_t *hi;
221 vnet_sw_interface_t *sw;
222 slave_interface_details_t *r_slaveifs = NULL;
223 slave_interface_details_t *slaveif = NULL;
224 u32 *sw_if_index = NULL;
227 bif = bond_get_master_by_sw_if_index (bond_sw_if_index);
231 vec_foreach (sw_if_index, bif->slaves)
233 vec_add2 (r_slaveifs, slaveif, 1);
234 clib_memset (slaveif, 0, sizeof (*slaveif));
235 sif = bond_get_slave_by_sw_if_index (*sw_if_index);
238 sw = vnet_get_sw_interface (vnm, sif->sw_if_index);
239 hi = vnet_get_hw_interface (vnm, sw->hw_if_index);
240 clib_memcpy (slaveif->interface_name, hi->name,
241 MIN (ARRAY_LEN (slaveif->interface_name) - 1,
242 strlen ((const char *) hi->name)));
243 slaveif->sw_if_index = sif->sw_if_index;
244 slaveif->is_passive = sif->is_passive;
245 slaveif->is_long_timeout = sif->is_long_timeout;
246 slaveif->is_local_numa = sif->is_local_numa;
247 slaveif->weight = sif->weight;
250 *out_slaveifs = r_slaveifs;
256 bond_delete_neighbor (vlib_main_t * vm, bond_if_t * bif, slave_if_t * sif)
258 bond_main_t *bm = &bond_main;
259 vnet_main_t *vnm = vnet_get_main ();
261 vnet_hw_interface_t *sif_hw;
263 sif_hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
265 bif->port_number_bitmap =
266 clib_bitmap_set (bif->port_number_bitmap,
267 ntohs (sif->actor_admin.port_number) - 1, 0);
268 bm->slave_by_sw_if_index[sif->sw_if_index] = 0;
269 vec_free (sif->last_marker_pkt);
270 vec_free (sif->last_rx_pkt);
271 vec_foreach_index (i, bif->slaves)
273 uword p = *vec_elt_at_index (bif->slaves, i);
274 if (p == sif->sw_if_index)
276 vec_del1 (bif->slaves, i);
281 bond_disable_collecting_distributing (vm, sif);
283 vnet_feature_enable_disable ("device-input", "bond-input",
284 sif_hw->hw_if_index, 0, 0, 0);
286 /* Put back the old mac */
287 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
288 sif->persistent_hw_address);
290 if ((bif->mode == BOND_MODE_LACP) && bm->lacp_enable_disable)
291 (*bm->lacp_enable_disable) (vm, bif, sif, 0);
293 if (bif->mode == BOND_MODE_LACP)
294 stat_segment_deregister_state_counter
295 (bm->stats[bif->sw_if_index][sif->sw_if_index]);
297 pool_put (bm->neighbors, sif);
301 bond_delete_if (vlib_main_t * vm, u32 sw_if_index)
303 bond_main_t *bm = &bond_main;
304 vnet_main_t *vnm = vnet_get_main ();
307 vnet_hw_interface_t *hw;
308 u32 *sif_sw_if_index;
312 hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
313 if (hw == NULL || bond_dev_class.index != hw->dev_class_index)
314 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
316 bif = bond_get_master_by_dev_instance (hw->dev_instance);
318 vec_foreach (sif_sw_if_index, bif->slaves)
320 vec_add1 (s_list, sif_sw_if_index);
323 for (i = 0; i < vec_len (s_list); i++)
325 sif_sw_if_index = s_list[i];
326 sif = bond_get_slave_by_sw_if_index (*sif_sw_if_index);
328 bond_delete_neighbor (vm, bif, sif);
334 /* bring down the interface */
335 vnet_hw_interface_set_flags (vnm, bif->hw_if_index, 0);
336 vnet_sw_interface_set_flags (vnm, bif->sw_if_index, 0);
338 ethernet_delete_interface (vnm, bif->hw_if_index);
340 clib_bitmap_free (bif->port_number_bitmap);
341 hash_unset (bm->bond_by_sw_if_index, bif->sw_if_index);
342 hash_unset (bm->id_used, bif->id);
343 clib_memset (bif, 0, sizeof (*bif));
344 pool_put (bm->interfaces, bif);
350 bond_create_if (vlib_main_t * vm, bond_create_if_args_t * args)
352 bond_main_t *bm = &bond_main;
353 vnet_main_t *vnm = vnet_get_main ();
354 vnet_sw_interface_t *sw;
357 if ((args->mode == BOND_MODE_LACP) && bm->lacp_plugin_loaded == 0)
359 args->rv = VNET_API_ERROR_FEATURE_DISABLED;
360 args->error = clib_error_return (0, "LACP plugin is not loaded");
363 if (args->mode > BOND_MODE_LACP || args->mode < BOND_MODE_ROUND_ROBIN)
365 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
366 args->error = clib_error_return (0, "Invalid mode");
369 if (args->lb > BOND_LB_L23)
371 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
372 args->error = clib_error_return (0, "Invalid load-balance");
375 pool_get (bm->interfaces, bif);
376 clib_memset (bif, 0, sizeof (*bif));
377 bif->dev_instance = bif - bm->interfaces;
380 bif->mode = args->mode;
382 // Adjust requested interface id
384 bif->id = bif->dev_instance;
385 if (hash_get (bm->id_used, bif->id))
387 args->rv = VNET_API_ERROR_INSTANCE_IN_USE;
388 pool_put (bm->interfaces, bif);
391 hash_set (bm->id_used, bif->id, 1);
393 // Special load-balance mode used for rr and bc
394 if (bif->mode == BOND_MODE_ROUND_ROBIN)
395 bif->lb = BOND_LB_RR;
396 else if (bif->mode == BOND_MODE_BROADCAST)
397 bif->lb = BOND_LB_BC;
398 else if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
399 bif->lb = BOND_LB_AB;
401 bif->use_custom_mac = args->hw_addr_set;
402 if (!args->hw_addr_set)
404 f64 now = vlib_time_now (vm);
406 rnd = (u32) (now * 1e6);
407 rnd = random_u32 (&rnd);
409 memcpy (args->hw_addr + 2, &rnd, sizeof (rnd));
410 args->hw_addr[0] = 2;
411 args->hw_addr[1] = 0xfe;
413 memcpy (bif->hw_address, args->hw_addr, 6);
414 args->error = ethernet_register_interface
415 (vnm, bond_dev_class.index, bif->dev_instance /* device instance */ ,
416 bif->hw_address /* ethernet address */ ,
417 &bif->hw_if_index, 0 /* flag change */ );
421 args->rv = VNET_API_ERROR_INVALID_REGISTRATION;
422 hash_unset (bm->id_used, bif->id);
423 pool_put (bm->interfaces, bif);
427 sw = vnet_get_hw_sw_interface (vnm, bif->hw_if_index);
428 bif->sw_if_index = sw->sw_if_index;
429 bif->group = bif->sw_if_index;
430 bif->numa_only = args->numa_only;
431 if (vlib_get_thread_main ()->n_vlib_mains > 1)
432 clib_spinlock_init (&bif->lockp);
434 vnet_hw_interface_set_flags (vnm, bif->hw_if_index,
435 VNET_HW_INTERFACE_FLAG_LINK_UP);
437 hash_set (bm->bond_by_sw_if_index, bif->sw_if_index, bif->dev_instance);
440 args->sw_if_index = bif->sw_if_index;
444 static clib_error_t *
445 bond_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
446 vlib_cli_command_t * cmd)
448 unformat_input_t _line_input, *line_input = &_line_input;
449 bond_create_if_args_t args = { 0 };
452 /* Get a line of input. */
453 if (!unformat_user (input, unformat_line_input, line_input))
454 return clib_error_return (0, "Missing required arguments.");
458 args.lb = BOND_LB_L2;
460 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
462 if (unformat (line_input, "mode %U", unformat_bond_mode, &args.mode))
464 else if (((args.mode == BOND_MODE_LACP) || (args.mode == BOND_MODE_XOR))
465 && unformat (line_input, "load-balance %U",
466 unformat_bond_load_balance, &args.lb))
468 else if (unformat (line_input, "hw-addr %U",
469 unformat_ethernet_address, args.hw_addr))
470 args.hw_addr_set = 1;
471 else if (unformat (line_input, "id %u", &args.id))
473 else if (unformat (line_input, "numa-only"))
475 if (args.mode == BOND_MODE_LACP)
478 return clib_error_return (0,
479 "Only lacp mode supports numa-only so far!");
482 return clib_error_return (0, "unknown input `%U'",
483 format_unformat_error, input);
485 unformat_free (line_input);
487 if (mode_is_set == 0)
488 return clib_error_return (0, "Missing bond mode");
490 bond_create_if (vm, &args);
493 vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
494 vnet_get_main (), args.sw_if_index);
500 VLIB_CLI_COMMAND (bond_create_command, static) = {
501 .path = "create bond",
502 .short_help = "create bond mode {round-robin | active-backup | broadcast | "
503 "{lacp | xor} [load-balance { l2 | l23 | l34 } [numa-only]]} [hw-addr <mac-address>] "
505 .function = bond_create_command_fn,
509 static clib_error_t *
510 bond_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
511 vlib_cli_command_t * cmd)
513 unformat_input_t _line_input, *line_input = &_line_input;
514 u32 sw_if_index = ~0;
515 vnet_main_t *vnm = vnet_get_main ();
518 /* Get a line of input. */
519 if (!unformat_user (input, unformat_line_input, line_input))
520 return clib_error_return (0, "Missing <interface>");
522 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
524 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
526 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
530 return clib_error_return (0, "unknown input `%U'",
531 format_unformat_error, input);
533 unformat_free (line_input);
535 if (sw_if_index == ~0)
536 return clib_error_return (0,
537 "please specify interface name or sw_if_index");
539 rv = bond_delete_if (vm, sw_if_index);
540 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
541 return clib_error_return (0, "not a bond interface");
543 return clib_error_return (0, "error on deleting bond interface");
549 VLIB_CLI_COMMAND (bond_delete__command, static) =
551 .path = "delete bond",
552 .short_help = "delete bond {<interface> | sw_if_index <sw_idx>}",
553 .function = bond_delete_command_fn,
558 bond_enslave (vlib_main_t * vm, bond_enslave_args_t * args)
560 bond_main_t *bm = &bond_main;
561 vnet_main_t *vnm = vnet_get_main ();
564 vnet_interface_main_t *im = &vnm->interface_main;
565 vnet_hw_interface_t *bif_hw, *sif_hw;
566 vnet_sw_interface_t *sw;
570 bif = bond_get_master_by_sw_if_index (args->group);
573 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
574 args->error = clib_error_return (0, "bond interface not found");
577 // make sure the interface is not already enslaved
578 if (bond_get_slave_by_sw_if_index (args->slave))
580 args->rv = VNET_API_ERROR_VALUE_EXIST;
581 args->error = clib_error_return (0, "interface was already enslaved");
584 sif_hw = vnet_get_sup_hw_interface (vnm, args->slave);
585 if (sif_hw->dev_class_index == bond_dev_class.index)
587 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
589 clib_error_return (0, "bond interface cannot be enslaved");
592 if (bif->mode == BOND_MODE_LACP)
594 u8 *name = format (0, "/if/lacp/%u/%u/state", bif->sw_if_index,
597 vec_validate (bm->stats, bif->sw_if_index);
598 vec_validate (bm->stats[bif->sw_if_index], args->slave);
600 args->error = stat_segment_register_state_counter
601 (name, &bm->stats[bif->sw_if_index][args->slave]);
603 if (args->error != 0)
605 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
610 pool_get (bm->neighbors, sif);
611 clib_memset (sif, 0, sizeof (*sif));
612 sw = pool_elt_at_index (im->sw_interfaces, args->slave);
613 /* port_enabled is both admin up and hw link up */
614 sif->port_enabled = vnet_sw_interface_is_up (vnm, sw->sw_if_index);
615 sif->sw_if_index = sw->sw_if_index;
616 sif->hw_if_index = sw->hw_if_index;
617 sif->packet_template_index = (u8) ~ 0;
618 sif->is_passive = args->is_passive;
619 sif->group = args->group;
620 sif->bif_dev_instance = bif->dev_instance;
621 sif->mode = bif->mode;
623 sif->is_long_timeout = args->is_long_timeout;
624 if (args->is_long_timeout)
625 sif->ttl_in_seconds = LACP_LONG_TIMOUT_TIME;
627 sif->ttl_in_seconds = LACP_SHORT_TIMOUT_TIME;
629 vec_validate_aligned (bm->slave_by_sw_if_index, sif->sw_if_index,
630 CLIB_CACHE_LINE_BYTES);
632 * sif - bm->neighbors may be 0
633 * Left shift it by 1 bit to distinguish the valid entry that we actually
634 * store from the null entries
636 bm->slave_by_sw_if_index[sif->sw_if_index] =
637 (uword) (((sif - bm->neighbors) << 1) | 1);
638 vec_add1 (bif->slaves, sif->sw_if_index);
640 sif_hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
642 /* Save the old mac */
643 memcpy (sif->persistent_hw_address, sif_hw->hw_address, 6);
644 bif_hw = vnet_get_sup_hw_interface (vnm, bif->sw_if_index);
645 if (bif->use_custom_mac)
647 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
652 // bond interface gets the mac address from the first slave
653 if (vec_len (bif->slaves) == 1)
655 memcpy (bif->hw_address, sif_hw->hw_address, 6);
656 vnet_hw_interface_change_mac_address (vnm, bif_hw->hw_if_index,
661 // subsequent slaves gets the mac address of the bond interface
662 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
667 if (bif_hw->l2_if_count)
669 ethernet_set_flags (vnm, sif_hw->hw_if_index,
670 ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
671 /* ensure all packets go to ethernet-input */
672 ethernet_set_rx_redirect (vnm, sif_hw, 1);
675 if (bif->mode == BOND_MODE_LACP)
677 if (bm->lacp_enable_disable)
678 (*bm->lacp_enable_disable) (vm, bif, sif, 1);
680 else if (sif->port_enabled)
682 bond_enable_collecting_distributing (vm, sif);
685 vec_foreach_index (thread_index, bm->per_thread_data)
687 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
690 vec_validate_aligned (ptd->per_port_queue, vec_len (bif->slaves) - 1,
691 CLIB_CACHE_LINE_BYTES);
693 vec_foreach_index (sif_if_index, ptd->per_port_queue)
695 ptd->per_port_queue[sif_if_index].n_buffers = 0;
699 args->rv = vnet_feature_enable_disable ("device-input", "bond-input",
700 sif_hw->hw_if_index, 1, 0, 0);
705 clib_error_return (0,
706 "Error encountered on input feature arc enable");
710 static clib_error_t *
711 enslave_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
712 vlib_cli_command_t * cmd)
714 bond_enslave_args_t args = { 0 };
715 unformat_input_t _line_input, *line_input = &_line_input;
716 vnet_main_t *vnm = vnet_get_main ();
718 /* Get a line of input. */
719 if (!unformat_user (input, unformat_line_input, line_input))
720 return clib_error_return (0, "Missing required arguments.");
724 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
726 if (unformat (line_input, "%U %U",
727 unformat_vnet_sw_interface, vnm, &args.group,
728 unformat_vnet_sw_interface, vnm, &args.slave))
730 else if (unformat (line_input, "passive"))
732 else if (unformat (line_input, "long-timeout"))
733 args.is_long_timeout = 1;
736 args.error = clib_error_return (0, "unknown input `%U'",
737 format_unformat_error, input);
741 unformat_free (line_input);
745 if (args.group == ~0)
746 return clib_error_return (0, "Missing bond interface");
747 if (args.slave == ~0)
748 return clib_error_return (0, "please specify valid slave interface name");
750 bond_enslave (vm, &args);
756 VLIB_CLI_COMMAND (enslave_interface_command, static) = {
758 .short_help = "bond add <BondEthernetx> <slave-interface> "
759 "[passive] [long-timeout]",
760 .function = enslave_interface_command_fn,
765 bond_detach_slave (vlib_main_t * vm, bond_detach_slave_args_t * args)
770 sif = bond_get_slave_by_sw_if_index (args->slave);
773 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
774 args->error = clib_error_return (0, "interface was not enslaved");
777 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
778 bond_delete_neighbor (vm, bif, sif);
781 static clib_error_t *
782 detach_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
783 vlib_cli_command_t * cmd)
785 bond_detach_slave_args_t args = { 0 };
786 unformat_input_t _line_input, *line_input = &_line_input;
787 vnet_main_t *vnm = vnet_get_main ();
789 /* Get a line of input. */
790 if (!unformat_user (input, unformat_line_input, line_input))
791 return clib_error_return (0, "Missing required arguments.");
794 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
796 if (unformat (line_input, "%U",
797 unformat_vnet_sw_interface, vnm, &args.slave))
801 args.error = clib_error_return (0, "unknown input `%U'",
802 format_unformat_error, input);
806 unformat_free (line_input);
810 if (args.slave == ~0)
811 return clib_error_return (0, "please specify valid slave interface name");
813 bond_detach_slave (vm, &args);
819 VLIB_CLI_COMMAND (detach_interface_command, static) = {
821 .short_help = "bond del <slave-interface>",
822 .function = detach_interface_command_fn,
827 show_bond (vlib_main_t * vm)
829 bond_main_t *bm = &bond_main;
832 vlib_cli_output (vm, "%-16s %-12s %-13s %-13s %-14s %s",
833 "interface name", "sw_if_index", "mode",
834 "load balance", "active slaves", "slaves");
837 pool_foreach (bif, bm->interfaces,
839 vlib_cli_output (vm, "%-16U %-12d %-13U %-13U %-14u %u",
840 format_bond_interface_name, bif->dev_instance,
841 bif->sw_if_index, format_bond_mode, bif->mode,
842 format_bond_load_balance, bif->lb,
843 vec_len (bif->active_slaves), vec_len (bif->slaves));
849 show_bond_details (vlib_main_t * vm)
851 bond_main_t *bm = &bond_main;
856 pool_foreach (bif, bm->interfaces,
858 vlib_cli_output (vm, "%U", format_bond_interface_name, bif->dev_instance);
859 vlib_cli_output (vm, " mode: %U",
860 format_bond_mode, bif->mode);
861 vlib_cli_output (vm, " load balance: %U",
862 format_bond_load_balance, bif->lb);
863 if (bif->mode == BOND_MODE_ROUND_ROBIN)
864 vlib_cli_output (vm, " last xmit slave index: %u",
865 bif->lb_rr_last_index);
866 vlib_cli_output (vm, " number of active slaves: %d",
867 vec_len (bif->active_slaves));
868 vec_foreach (sw_if_index, bif->active_slaves)
870 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name,
871 vnet_get_main (), *sw_if_index);
872 if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
874 slave_if_t *sif = bond_get_slave_by_sw_if_index (*sw_if_index);
876 vlib_cli_output (vm, " weight: %u, is_local_numa: %u, "
877 "sw_if_index: %u", sif->weight,
878 sif->is_local_numa, sif->sw_if_index);
881 vlib_cli_output (vm, " number of slaves: %d", vec_len (bif->slaves));
882 vec_foreach (sw_if_index, bif->slaves)
884 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name,
885 vnet_get_main (), *sw_if_index);
887 vlib_cli_output (vm, " device instance: %d", bif->dev_instance);
888 vlib_cli_output (vm, " interface id: %d", bif->id);
889 vlib_cli_output (vm, " sw_if_index: %d", bif->sw_if_index);
890 vlib_cli_output (vm, " hw_if_index: %d", bif->hw_if_index);
895 static clib_error_t *
896 show_bond_fn (vlib_main_t * vm, unformat_input_t * input,
897 vlib_cli_command_t * cmd)
901 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
903 if (unformat (input, "details"))
907 return clib_error_return (0, "unknown input `%U'",
908 format_unformat_error, input);
913 show_bond_details (vm);
921 VLIB_CLI_COMMAND (show_bond_command, static) = {
923 .short_help = "show bond [details]",
924 .function = show_bond_fn,
929 bond_set_intf_weight (vlib_main_t * vm, bond_set_intf_weight_args_t * args)
936 sif = bond_get_slave_by_sw_if_index (args->sw_if_index);
939 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
940 args->error = clib_error_return (0, "Interface not enslaved");
943 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
946 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
947 args->error = clib_error_return (0, "bond interface not found");
950 if (bif->mode != BOND_MODE_ACTIVE_BACKUP)
952 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
954 clib_error_return (0, "Weight valid for active-backup only");
958 old_weight = sif->weight;
959 sif->weight = args->weight;
960 vnm = vnet_get_main ();
962 * No need to sort the list if the affected slave is not up (not in active
963 * slave set), active slave count is 1, or the current slave is already the
964 * primary slave and new weight > old weight.
966 if (!vnet_sw_interface_is_up (vnm, sif->sw_if_index) ||
967 (vec_len (bif->active_slaves) == 1) ||
968 ((bif->active_slaves[0] == sif->sw_if_index) &&
969 (sif->weight >= old_weight)))
972 bond_sort_slaves (bif);
975 static clib_error_t *
976 bond_set_intf_cmd (vlib_main_t * vm, unformat_input_t * input,
977 vlib_cli_command_t * cmd)
979 bond_set_intf_weight_args_t args = { 0 };
980 u32 sw_if_index = (u32) ~ 0;
981 unformat_input_t _line_input, *line_input = &_line_input;
982 vnet_main_t *vnm = vnet_get_main ();
986 /* Get a line of input. */
987 if (!unformat_user (input, unformat_line_input, line_input))
988 return clib_error_return (0, "Missing required arguments.");
990 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
992 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
994 else if (unformat (line_input, "%U", unformat_vnet_sw_interface, vnm,
997 else if (unformat (line_input, "weight %u", &weight))
1001 clib_error_return (0, "unknown input `%U'", format_unformat_error,
1007 unformat_free (line_input);
1008 if (sw_if_index == (u32) ~ 0)
1010 args.rv = VNET_API_ERROR_INVALID_INTERFACE;
1011 clib_error_return (0, "Interface name is invalid!");
1013 if (weight_enter == 0)
1015 args.rv = VNET_API_ERROR_INVALID_ARGUMENT;
1016 clib_error_return (0, "weight missing");
1019 args.sw_if_index = sw_if_index;
1020 args.weight = weight;
1021 bond_set_intf_weight (vm, &args);
1027 VLIB_CLI_COMMAND(set_interface_bond_cmd, static) = {
1028 .path = "set interface bond",
1029 .short_help = "set interface bond <interface> | sw_if_index <idx>"
1031 .function = bond_set_intf_cmd,
1036 bond_cli_init (vlib_main_t * vm)
1038 bond_main_t *bm = &bond_main;
1041 bm->vnet_main = vnet_get_main ();
1042 vec_validate_aligned (bm->slave_by_sw_if_index, 1, CLIB_CACHE_LINE_BYTES);
1043 vec_validate_aligned (bm->per_thread_data,
1044 vlib_get_thread_main ()->n_vlib_mains - 1,
1045 CLIB_CACHE_LINE_BYTES);
1050 VLIB_INIT_FUNCTION (bond_cli_init);
1053 * fd.io coding-style-patch-verification: ON
1056 * eval: (c-set-style "gnu")