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 vec_len ((const char *) hi->name)));
201 /* enforce by memset() above */
202 ASSERT(0 == bondif->interface_name[ARRAY_LEN (bondif->interface_name) - 1]);
203 bondif->mode = bif->mode;
204 bondif->lb = bif->lb;
205 bondif->numa_only = bif->numa_only;
206 bondif->active_slaves = vec_len (bif->active_slaves);
207 bondif->slaves = vec_len (bif->slaves);
211 *out_bondifs = r_bondifs;
217 bond_dump_slave_ifs (slave_interface_details_t ** out_slaveifs,
218 u32 bond_sw_if_index)
220 vnet_main_t *vnm = vnet_get_main ();
222 vnet_hw_interface_t *hi;
223 vnet_sw_interface_t *sw;
224 slave_interface_details_t *r_slaveifs = NULL;
225 slave_interface_details_t *slaveif = NULL;
226 u32 *sw_if_index = NULL;
229 bif = bond_get_master_by_sw_if_index (bond_sw_if_index);
233 vec_foreach (sw_if_index, bif->slaves)
235 vec_add2 (r_slaveifs, slaveif, 1);
236 clib_memset (slaveif, 0, sizeof (*slaveif));
237 sif = bond_get_slave_by_sw_if_index (*sw_if_index);
240 sw = vnet_get_sw_interface (vnm, sif->sw_if_index);
241 hi = vnet_get_hw_interface (vnm, sw->hw_if_index);
242 clib_memcpy (slaveif->interface_name, hi->name,
243 MIN (ARRAY_LEN (slaveif->interface_name) - 1,
244 vec_len ((const char *) hi->name)));
245 /* enforce by memset() above */
247 slaveif->interface_name[ARRAY_LEN (slaveif->interface_name) -
249 slaveif->sw_if_index = sif->sw_if_index;
250 slaveif->is_passive = sif->is_passive;
251 slaveif->is_long_timeout = sif->is_long_timeout;
252 slaveif->is_local_numa = sif->is_local_numa;
253 slaveif->weight = sif->weight;
256 *out_slaveifs = r_slaveifs;
262 bond_delete_neighbor (vlib_main_t * vm, bond_if_t * bif, slave_if_t * sif)
264 bond_main_t *bm = &bond_main;
265 vnet_main_t *vnm = vnet_get_main ();
267 vnet_hw_interface_t *sif_hw;
269 sif_hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
271 bif->port_number_bitmap =
272 clib_bitmap_set (bif->port_number_bitmap,
273 ntohs (sif->actor_admin.port_number) - 1, 0);
274 bm->slave_by_sw_if_index[sif->sw_if_index] = 0;
275 vec_free (sif->last_marker_pkt);
276 vec_free (sif->last_rx_pkt);
277 vec_foreach_index (i, bif->slaves)
279 uword p = *vec_elt_at_index (bif->slaves, i);
280 if (p == sif->sw_if_index)
282 vec_del1 (bif->slaves, i);
287 bond_disable_collecting_distributing (vm, sif);
289 vnet_feature_enable_disable ("device-input", "bond-input",
290 sif_hw->hw_if_index, 0, 0, 0);
292 /* Put back the old mac */
293 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
294 sif->persistent_hw_address);
296 if ((bif->mode == BOND_MODE_LACP) && bm->lacp_enable_disable)
297 (*bm->lacp_enable_disable) (vm, bif, sif, 0);
299 if (bif->mode == BOND_MODE_LACP)
300 stat_segment_deregister_state_counter
301 (bm->stats[bif->sw_if_index][sif->sw_if_index]);
303 pool_put (bm->neighbors, sif);
307 bond_delete_if (vlib_main_t * vm, u32 sw_if_index)
309 bond_main_t *bm = &bond_main;
310 vnet_main_t *vnm = vnet_get_main ();
313 vnet_hw_interface_t *hw;
314 u32 *sif_sw_if_index;
318 hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
319 if (hw == NULL || bond_dev_class.index != hw->dev_class_index)
320 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
322 bif = bond_get_master_by_dev_instance (hw->dev_instance);
324 vec_foreach (sif_sw_if_index, bif->slaves)
326 vec_add1 (s_list, sif_sw_if_index);
329 for (i = 0; i < vec_len (s_list); i++)
331 sif_sw_if_index = s_list[i];
332 sif = bond_get_slave_by_sw_if_index (*sif_sw_if_index);
334 bond_delete_neighbor (vm, bif, sif);
340 /* bring down the interface */
341 vnet_hw_interface_set_flags (vnm, bif->hw_if_index, 0);
342 vnet_sw_interface_set_flags (vnm, bif->sw_if_index, 0);
344 ethernet_delete_interface (vnm, bif->hw_if_index);
346 clib_bitmap_free (bif->port_number_bitmap);
347 hash_unset (bm->bond_by_sw_if_index, bif->sw_if_index);
348 hash_unset (bm->id_used, bif->id);
349 clib_memset (bif, 0, sizeof (*bif));
350 pool_put (bm->interfaces, bif);
356 bond_create_if (vlib_main_t * vm, bond_create_if_args_t * args)
358 bond_main_t *bm = &bond_main;
359 vnet_main_t *vnm = vnet_get_main ();
360 vnet_sw_interface_t *sw;
363 if ((args->mode == BOND_MODE_LACP) && bm->lacp_plugin_loaded == 0)
365 args->rv = VNET_API_ERROR_FEATURE_DISABLED;
366 args->error = clib_error_return (0, "LACP plugin is not loaded");
369 if (args->mode > BOND_MODE_LACP || args->mode < BOND_MODE_ROUND_ROBIN)
371 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
372 args->error = clib_error_return (0, "Invalid mode");
375 if (args->lb > BOND_LB_L23)
377 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
378 args->error = clib_error_return (0, "Invalid load-balance");
381 pool_get (bm->interfaces, bif);
382 clib_memset (bif, 0, sizeof (*bif));
383 bif->dev_instance = bif - bm->interfaces;
386 bif->mode = args->mode;
388 // Adjust requested interface id
390 bif->id = bif->dev_instance;
391 if (hash_get (bm->id_used, bif->id))
393 args->rv = VNET_API_ERROR_INSTANCE_IN_USE;
394 pool_put (bm->interfaces, bif);
397 hash_set (bm->id_used, bif->id, 1);
399 // Special load-balance mode used for rr and bc
400 if (bif->mode == BOND_MODE_ROUND_ROBIN)
401 bif->lb = BOND_LB_RR;
402 else if (bif->mode == BOND_MODE_BROADCAST)
403 bif->lb = BOND_LB_BC;
404 else if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
405 bif->lb = BOND_LB_AB;
407 bif->use_custom_mac = args->hw_addr_set;
408 if (!args->hw_addr_set)
410 f64 now = vlib_time_now (vm);
412 rnd = (u32) (now * 1e6);
413 rnd = random_u32 (&rnd);
415 memcpy (args->hw_addr + 2, &rnd, sizeof (rnd));
416 args->hw_addr[0] = 2;
417 args->hw_addr[1] = 0xfe;
419 memcpy (bif->hw_address, args->hw_addr, 6);
420 args->error = ethernet_register_interface
421 (vnm, bond_dev_class.index, bif->dev_instance /* device instance */ ,
422 bif->hw_address /* ethernet address */ ,
423 &bif->hw_if_index, 0 /* flag change */ );
427 args->rv = VNET_API_ERROR_INVALID_REGISTRATION;
428 hash_unset (bm->id_used, bif->id);
429 pool_put (bm->interfaces, bif);
433 sw = vnet_get_hw_sw_interface (vnm, bif->hw_if_index);
434 bif->sw_if_index = sw->sw_if_index;
435 bif->group = bif->sw_if_index;
436 bif->numa_only = args->numa_only;
437 if (vlib_get_thread_main ()->n_vlib_mains > 1)
438 clib_spinlock_init (&bif->lockp);
440 vnet_hw_interface_set_flags (vnm, bif->hw_if_index,
441 VNET_HW_INTERFACE_FLAG_LINK_UP);
443 hash_set (bm->bond_by_sw_if_index, bif->sw_if_index, bif->dev_instance);
446 args->sw_if_index = bif->sw_if_index;
450 static clib_error_t *
451 bond_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
452 vlib_cli_command_t * cmd)
454 unformat_input_t _line_input, *line_input = &_line_input;
455 bond_create_if_args_t args = { 0 };
458 /* Get a line of input. */
459 if (!unformat_user (input, unformat_line_input, line_input))
460 return clib_error_return (0, "Missing required arguments.");
464 args.lb = BOND_LB_L2;
466 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
468 if (unformat (line_input, "mode %U", unformat_bond_mode, &args.mode))
470 else if (((args.mode == BOND_MODE_LACP) || (args.mode == BOND_MODE_XOR))
471 && unformat (line_input, "load-balance %U",
472 unformat_bond_load_balance, &args.lb))
474 else if (unformat (line_input, "hw-addr %U",
475 unformat_ethernet_address, args.hw_addr))
476 args.hw_addr_set = 1;
477 else if (unformat (line_input, "id %u", &args.id))
479 else if (unformat (line_input, "numa-only"))
481 if (args.mode == BOND_MODE_LACP)
484 return clib_error_return (0,
485 "Only lacp mode supports numa-only so far!");
488 return clib_error_return (0, "unknown input `%U'",
489 format_unformat_error, input);
491 unformat_free (line_input);
493 if (mode_is_set == 0)
494 return clib_error_return (0, "Missing bond mode");
496 bond_create_if (vm, &args);
499 vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
500 vnet_get_main (), args.sw_if_index);
506 VLIB_CLI_COMMAND (bond_create_command, static) = {
507 .path = "create bond",
508 .short_help = "create bond mode {round-robin | active-backup | broadcast | "
509 "{lacp | xor} [load-balance { l2 | l23 | l34 } [numa-only]]} [hw-addr <mac-address>] "
511 .function = bond_create_command_fn,
515 static clib_error_t *
516 bond_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
517 vlib_cli_command_t * cmd)
519 unformat_input_t _line_input, *line_input = &_line_input;
520 u32 sw_if_index = ~0;
521 vnet_main_t *vnm = vnet_get_main ();
524 /* Get a line of input. */
525 if (!unformat_user (input, unformat_line_input, line_input))
526 return clib_error_return (0, "Missing <interface>");
528 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
530 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
532 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
536 return clib_error_return (0, "unknown input `%U'",
537 format_unformat_error, input);
539 unformat_free (line_input);
541 if (sw_if_index == ~0)
542 return clib_error_return (0,
543 "please specify interface name or sw_if_index");
545 rv = bond_delete_if (vm, sw_if_index);
546 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
547 return clib_error_return (0, "not a bond interface");
549 return clib_error_return (0, "error on deleting bond interface");
555 VLIB_CLI_COMMAND (bond_delete__command, static) =
557 .path = "delete bond",
558 .short_help = "delete bond {<interface> | sw_if_index <sw_idx>}",
559 .function = bond_delete_command_fn,
564 bond_enslave (vlib_main_t * vm, bond_enslave_args_t * args)
566 bond_main_t *bm = &bond_main;
567 vnet_main_t *vnm = vnet_get_main ();
570 vnet_interface_main_t *im = &vnm->interface_main;
571 vnet_hw_interface_t *bif_hw, *sif_hw;
572 vnet_sw_interface_t *sw;
576 bif = bond_get_master_by_sw_if_index (args->group);
579 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
580 args->error = clib_error_return (0, "bond interface not found");
583 // make sure the interface is not already enslaved
584 if (bond_get_slave_by_sw_if_index (args->slave))
586 args->rv = VNET_API_ERROR_VALUE_EXIST;
587 args->error = clib_error_return (0, "interface was already enslaved");
590 sif_hw = vnet_get_sup_hw_interface (vnm, args->slave);
591 if (sif_hw->dev_class_index == bond_dev_class.index)
593 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
595 clib_error_return (0, "bond interface cannot be enslaved");
598 if (bif->mode == BOND_MODE_LACP)
600 u8 *name = format (0, "/if/lacp/%u/%u/state", bif->sw_if_index,
603 vec_validate (bm->stats, bif->sw_if_index);
604 vec_validate (bm->stats[bif->sw_if_index], args->slave);
606 args->error = stat_segment_register_state_counter
607 (name, &bm->stats[bif->sw_if_index][args->slave]);
609 if (args->error != 0)
611 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
616 pool_get (bm->neighbors, sif);
617 clib_memset (sif, 0, sizeof (*sif));
618 sw = pool_elt_at_index (im->sw_interfaces, args->slave);
619 /* port_enabled is both admin up and hw link up */
620 sif->port_enabled = vnet_sw_interface_is_up (vnm, sw->sw_if_index);
621 sif->sw_if_index = sw->sw_if_index;
622 sif->hw_if_index = sw->hw_if_index;
623 sif->packet_template_index = (u8) ~ 0;
624 sif->is_passive = args->is_passive;
625 sif->group = args->group;
626 sif->bif_dev_instance = bif->dev_instance;
627 sif->mode = bif->mode;
629 sif->is_long_timeout = args->is_long_timeout;
630 if (args->is_long_timeout)
631 sif->ttl_in_seconds = LACP_LONG_TIMOUT_TIME;
633 sif->ttl_in_seconds = LACP_SHORT_TIMOUT_TIME;
635 vec_validate_aligned (bm->slave_by_sw_if_index, sif->sw_if_index,
636 CLIB_CACHE_LINE_BYTES);
638 * sif - bm->neighbors may be 0
639 * Left shift it by 1 bit to distinguish the valid entry that we actually
640 * store from the null entries
642 bm->slave_by_sw_if_index[sif->sw_if_index] =
643 (uword) (((sif - bm->neighbors) << 1) | 1);
644 vec_add1 (bif->slaves, sif->sw_if_index);
646 sif_hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
648 /* Save the old mac */
649 memcpy (sif->persistent_hw_address, sif_hw->hw_address, 6);
650 bif_hw = vnet_get_sup_hw_interface (vnm, bif->sw_if_index);
651 if (bif->use_custom_mac)
653 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
658 // bond interface gets the mac address from the first slave
659 if (vec_len (bif->slaves) == 1)
661 memcpy (bif->hw_address, sif_hw->hw_address, 6);
662 vnet_hw_interface_change_mac_address (vnm, bif_hw->hw_if_index,
667 // subsequent slaves gets the mac address of the bond interface
668 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
673 if (bif_hw->l2_if_count)
675 ethernet_set_flags (vnm, sif_hw->hw_if_index,
676 ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
677 /* ensure all packets go to ethernet-input */
678 ethernet_set_rx_redirect (vnm, sif_hw, 1);
681 if (bif->mode == BOND_MODE_LACP)
683 if (bm->lacp_enable_disable)
684 (*bm->lacp_enable_disable) (vm, bif, sif, 1);
686 else if (sif->port_enabled)
688 bond_enable_collecting_distributing (vm, sif);
691 vec_foreach_index (thread_index, bm->per_thread_data)
693 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
696 vec_validate_aligned (ptd->per_port_queue, vec_len (bif->slaves) - 1,
697 CLIB_CACHE_LINE_BYTES);
699 vec_foreach_index (sif_if_index, ptd->per_port_queue)
701 ptd->per_port_queue[sif_if_index].n_buffers = 0;
705 args->rv = vnet_feature_enable_disable ("device-input", "bond-input",
706 sif_hw->hw_if_index, 1, 0, 0);
711 clib_error_return (0,
712 "Error encountered on input feature arc enable");
716 static clib_error_t *
717 enslave_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
718 vlib_cli_command_t * cmd)
720 bond_enslave_args_t args = { 0 };
721 unformat_input_t _line_input, *line_input = &_line_input;
722 vnet_main_t *vnm = vnet_get_main ();
724 /* Get a line of input. */
725 if (!unformat_user (input, unformat_line_input, line_input))
726 return clib_error_return (0, "Missing required arguments.");
730 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
732 if (unformat (line_input, "%U %U",
733 unformat_vnet_sw_interface, vnm, &args.group,
734 unformat_vnet_sw_interface, vnm, &args.slave))
736 else if (unformat (line_input, "passive"))
738 else if (unformat (line_input, "long-timeout"))
739 args.is_long_timeout = 1;
742 args.error = clib_error_return (0, "unknown input `%U'",
743 format_unformat_error, input);
747 unformat_free (line_input);
751 if (args.group == ~0)
752 return clib_error_return (0, "Missing bond interface");
753 if (args.slave == ~0)
754 return clib_error_return (0, "please specify valid slave interface name");
756 bond_enslave (vm, &args);
762 VLIB_CLI_COMMAND (enslave_interface_command, static) = {
764 .short_help = "bond add <BondEthernetx> <slave-interface> "
765 "[passive] [long-timeout]",
766 .function = enslave_interface_command_fn,
771 bond_detach_slave (vlib_main_t * vm, bond_detach_slave_args_t * args)
776 sif = bond_get_slave_by_sw_if_index (args->slave);
779 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
780 args->error = clib_error_return (0, "interface was not enslaved");
783 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
784 bond_delete_neighbor (vm, bif, sif);
787 static clib_error_t *
788 detach_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
789 vlib_cli_command_t * cmd)
791 bond_detach_slave_args_t args = { 0 };
792 unformat_input_t _line_input, *line_input = &_line_input;
793 vnet_main_t *vnm = vnet_get_main ();
795 /* Get a line of input. */
796 if (!unformat_user (input, unformat_line_input, line_input))
797 return clib_error_return (0, "Missing required arguments.");
800 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
802 if (unformat (line_input, "%U",
803 unformat_vnet_sw_interface, vnm, &args.slave))
807 args.error = clib_error_return (0, "unknown input `%U'",
808 format_unformat_error, input);
812 unformat_free (line_input);
816 if (args.slave == ~0)
817 return clib_error_return (0, "please specify valid slave interface name");
819 bond_detach_slave (vm, &args);
825 VLIB_CLI_COMMAND (detach_interface_command, static) = {
827 .short_help = "bond del <slave-interface>",
828 .function = detach_interface_command_fn,
833 show_bond (vlib_main_t * vm)
835 bond_main_t *bm = &bond_main;
838 vlib_cli_output (vm, "%-16s %-12s %-13s %-13s %-14s %s",
839 "interface name", "sw_if_index", "mode",
840 "load balance", "active slaves", "slaves");
843 pool_foreach (bif, bm->interfaces,
845 vlib_cli_output (vm, "%-16U %-12d %-13U %-13U %-14u %u",
846 format_bond_interface_name, bif->dev_instance,
847 bif->sw_if_index, format_bond_mode, bif->mode,
848 format_bond_load_balance, bif->lb,
849 vec_len (bif->active_slaves), vec_len (bif->slaves));
855 show_bond_details (vlib_main_t * vm)
857 bond_main_t *bm = &bond_main;
862 pool_foreach (bif, bm->interfaces,
864 vlib_cli_output (vm, "%U", format_bond_interface_name, bif->dev_instance);
865 vlib_cli_output (vm, " mode: %U",
866 format_bond_mode, bif->mode);
867 vlib_cli_output (vm, " load balance: %U",
868 format_bond_load_balance, bif->lb);
869 if (bif->mode == BOND_MODE_ROUND_ROBIN)
870 vlib_cli_output (vm, " last xmit slave index: %u",
871 bif->lb_rr_last_index);
872 vlib_cli_output (vm, " number of active slaves: %d",
873 vec_len (bif->active_slaves));
874 vec_foreach (sw_if_index, bif->active_slaves)
876 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name,
877 vnet_get_main (), *sw_if_index);
878 if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
880 slave_if_t *sif = bond_get_slave_by_sw_if_index (*sw_if_index);
882 vlib_cli_output (vm, " weight: %u, is_local_numa: %u, "
883 "sw_if_index: %u", sif->weight,
884 sif->is_local_numa, sif->sw_if_index);
887 vlib_cli_output (vm, " number of slaves: %d", vec_len (bif->slaves));
888 vec_foreach (sw_if_index, bif->slaves)
890 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name,
891 vnet_get_main (), *sw_if_index);
893 vlib_cli_output (vm, " device instance: %d", bif->dev_instance);
894 vlib_cli_output (vm, " interface id: %d", bif->id);
895 vlib_cli_output (vm, " sw_if_index: %d", bif->sw_if_index);
896 vlib_cli_output (vm, " hw_if_index: %d", bif->hw_if_index);
901 static clib_error_t *
902 show_bond_fn (vlib_main_t * vm, unformat_input_t * input,
903 vlib_cli_command_t * cmd)
907 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
909 if (unformat (input, "details"))
913 return clib_error_return (0, "unknown input `%U'",
914 format_unformat_error, input);
919 show_bond_details (vm);
927 VLIB_CLI_COMMAND (show_bond_command, static) = {
929 .short_help = "show bond [details]",
930 .function = show_bond_fn,
935 bond_set_intf_weight (vlib_main_t * vm, bond_set_intf_weight_args_t * args)
942 sif = bond_get_slave_by_sw_if_index (args->sw_if_index);
945 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
946 args->error = clib_error_return (0, "Interface not enslaved");
949 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
952 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
953 args->error = clib_error_return (0, "bond interface not found");
956 if (bif->mode != BOND_MODE_ACTIVE_BACKUP)
958 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
960 clib_error_return (0, "Weight valid for active-backup only");
964 old_weight = sif->weight;
965 sif->weight = args->weight;
966 vnm = vnet_get_main ();
968 * No need to sort the list if the affected slave is not up (not in active
969 * slave set), active slave count is 1, or the current slave is already the
970 * primary slave and new weight > old weight.
972 if (!vnet_sw_interface_is_up (vnm, sif->sw_if_index) ||
973 (vec_len (bif->active_slaves) == 1) ||
974 ((bif->active_slaves[0] == sif->sw_if_index) &&
975 (sif->weight >= old_weight)))
978 bond_sort_slaves (bif);
981 static clib_error_t *
982 bond_set_intf_cmd (vlib_main_t * vm, unformat_input_t * input,
983 vlib_cli_command_t * cmd)
985 bond_set_intf_weight_args_t args = { 0 };
986 u32 sw_if_index = (u32) ~ 0;
987 unformat_input_t _line_input, *line_input = &_line_input;
988 vnet_main_t *vnm = vnet_get_main ();
992 /* Get a line of input. */
993 if (!unformat_user (input, unformat_line_input, line_input))
994 return clib_error_return (0, "Missing required arguments.");
996 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
998 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
1000 else if (unformat (line_input, "%U", unformat_vnet_sw_interface, vnm,
1003 else if (unformat (line_input, "weight %u", &weight))
1007 clib_error_return (0, "unknown input `%U'", format_unformat_error,
1013 unformat_free (line_input);
1014 if (sw_if_index == (u32) ~ 0)
1016 args.rv = VNET_API_ERROR_INVALID_INTERFACE;
1017 clib_error_return (0, "Interface name is invalid!");
1019 if (weight_enter == 0)
1021 args.rv = VNET_API_ERROR_INVALID_ARGUMENT;
1022 clib_error_return (0, "weight missing");
1025 args.sw_if_index = sw_if_index;
1026 args.weight = weight;
1027 bond_set_intf_weight (vm, &args);
1033 VLIB_CLI_COMMAND(set_interface_bond_cmd, static) = {
1034 .path = "set interface bond",
1035 .short_help = "set interface bond <interface> | sw_if_index <idx>"
1037 .function = bond_set_intf_cmd,
1042 bond_cli_init (vlib_main_t * vm)
1044 bond_main_t *bm = &bond_main;
1047 bm->vnet_main = vnet_get_main ();
1048 vec_validate_aligned (bm->slave_by_sw_if_index, 1, CLIB_CACHE_LINE_BYTES);
1049 vec_validate_aligned (bm->per_thread_data,
1050 vlib_get_thread_main ()->n_vlib_mains - 1,
1051 CLIB_CACHE_LINE_BYTES);
1056 VLIB_INIT_FUNCTION (bond_cli_init);
1059 * fd.io coding-style-patch-verification: ON
1062 * eval: (c-set-style "gnu")