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 if (sif->lacp_enabled && bif->numa_only)
48 /* For lacp mode, if we check it is a slave on local numa node,
49 bif->n_numa_slaves should be decreased by 1 becasue the first
50 bif->n_numa_slaves are all slaves on local numa node */
51 if (i < bif->n_numa_slaves)
54 ASSERT (bif->n_numa_slaves >= 0);
61 /* We get a new slave just becoming active */
63 vlib_process_signal_event (bm->vlib_main, bond_process_node.index,
64 BOND_SEND_GARP_NA, bif->hw_if_index);
65 clib_spinlock_unlock_if_init (&bif->lockp);
67 if (bif->mode == BOND_MODE_LACP)
68 stat_segment_set_state_counter (bm->stats[bif->sw_if_index]
69 [sif->sw_if_index], sif->actor.state);
73 * return 1 if s2 is preferred.
74 * return -1 if s1 is preferred.
77 bond_slave_sort (void *a1, void *a2)
81 slave_if_t *sif1 = bond_get_slave_by_sw_if_index (*s1);
82 slave_if_t *sif2 = bond_get_slave_by_sw_if_index (*s2);
88 * sort entries according to preference rules:
91 * 3. current active slave (to prevent churning)
92 * 4. lowest sw_if_index (for deterministic behavior)
95 if (sif2->weight > sif1->weight)
97 if (sif2->weight < sif1->weight)
101 if (sif2->is_local_numa > sif1->is_local_numa)
103 if (sif2->is_local_numa < sif1->is_local_numa)
107 bif = bond_get_master_by_dev_instance (sif1->bif_dev_instance);
108 /* Favor the current active slave to avoid churning */
109 if (bif->active_slaves[0] == sif2->sw_if_index)
111 if (bif->active_slaves[0] == sif1->sw_if_index)
113 /* go for the tiebreaker as the last resort */
114 if (sif1->sw_if_index > sif2->sw_if_index)
116 if (sif1->sw_if_index < sif2->sw_if_index)
126 bond_sort_slaves (bond_if_t * bif)
128 bond_main_t *bm = &bond_main;
129 u32 old_active = bif->active_slaves[0];
131 vec_sort_with_function (bif->active_slaves, bond_slave_sort);
132 if (old_active != bif->active_slaves[0])
133 vlib_process_signal_event (bm->vlib_main, bond_process_node.index,
134 BOND_SEND_GARP_NA, bif->hw_if_index);
138 bond_enable_collecting_distributing (vlib_main_t * vm, slave_if_t * sif)
141 bond_main_t *bm = &bond_main;
142 vnet_main_t *vnm = vnet_get_main ();
143 vnet_hw_interface_t *hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
147 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
148 clib_spinlock_lock_if_init (&bif->lockp);
149 vec_foreach_index (i, bif->active_slaves)
151 p = *vec_elt_at_index (bif->active_slaves, i);
152 if (p == sif->sw_if_index)
156 if (sif->lacp_enabled && bif->numa_only && (vm->numa_node == hw->numa_node))
158 vec_insert_elts (bif->active_slaves, &sif->sw_if_index, 1,
160 bif->n_numa_slaves++;
163 vec_add1 (bif->active_slaves, sif->sw_if_index);
165 sif->is_local_numa = (vm->numa_node == hw->numa_node) ? 1 : 0;
166 if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
168 if (vec_len (bif->active_slaves) == 1)
169 /* First slave becomes active? */
170 vlib_process_signal_event (bm->vlib_main, bond_process_node.index,
171 BOND_SEND_GARP_NA, bif->hw_if_index);
173 bond_sort_slaves (bif);
177 clib_spinlock_unlock_if_init (&bif->lockp);
179 if (bif->mode == BOND_MODE_LACP)
180 stat_segment_set_state_counter (bm->stats[bif->sw_if_index]
181 [sif->sw_if_index], sif->actor.state);
185 bond_dump_ifs (bond_interface_details_t ** out_bondifs)
187 vnet_main_t *vnm = vnet_get_main ();
188 bond_main_t *bm = &bond_main;
190 vnet_hw_interface_t *hi;
191 bond_interface_details_t *r_bondifs = NULL;
192 bond_interface_details_t *bondif = NULL;
195 pool_foreach (bif, bm->interfaces,
196 vec_add2(r_bondifs, bondif, 1);
197 clib_memset (bondif, 0, sizeof (*bondif));
198 bondif->id = bif->id;
199 bondif->sw_if_index = bif->sw_if_index;
200 hi = vnet_get_hw_interface (vnm, bif->hw_if_index);
201 clib_memcpy(bondif->interface_name, hi->name,
202 MIN (ARRAY_LEN (bondif->interface_name) - 1,
203 vec_len ((const char *) hi->name)));
204 /* enforce by memset() above */
205 ASSERT(0 == bondif->interface_name[ARRAY_LEN (bondif->interface_name) - 1]);
206 bondif->mode = bif->mode;
207 bondif->lb = bif->lb;
208 bondif->numa_only = bif->numa_only;
209 bondif->active_slaves = vec_len (bif->active_slaves);
210 bondif->slaves = vec_len (bif->slaves);
214 *out_bondifs = r_bondifs;
220 bond_dump_slave_ifs (slave_interface_details_t ** out_slaveifs,
221 u32 bond_sw_if_index)
223 vnet_main_t *vnm = vnet_get_main ();
225 vnet_hw_interface_t *hi;
226 vnet_sw_interface_t *sw;
227 slave_interface_details_t *r_slaveifs = NULL;
228 slave_interface_details_t *slaveif = NULL;
229 u32 *sw_if_index = NULL;
232 bif = bond_get_master_by_sw_if_index (bond_sw_if_index);
236 vec_foreach (sw_if_index, bif->slaves)
238 vec_add2 (r_slaveifs, slaveif, 1);
239 clib_memset (slaveif, 0, sizeof (*slaveif));
240 sif = bond_get_slave_by_sw_if_index (*sw_if_index);
243 sw = vnet_get_sw_interface (vnm, sif->sw_if_index);
244 hi = vnet_get_hw_interface (vnm, sw->hw_if_index);
245 clib_memcpy (slaveif->interface_name, hi->name,
246 MIN (ARRAY_LEN (slaveif->interface_name) - 1,
247 vec_len ((const char *) hi->name)));
248 /* enforce by memset() above */
250 slaveif->interface_name[ARRAY_LEN (slaveif->interface_name) -
252 slaveif->sw_if_index = sif->sw_if_index;
253 slaveif->is_passive = sif->is_passive;
254 slaveif->is_long_timeout = sif->is_long_timeout;
255 slaveif->is_local_numa = sif->is_local_numa;
256 slaveif->weight = sif->weight;
259 *out_slaveifs = r_slaveifs;
265 * Manage secondary mac addresses when attaching/detaching a slave.
266 * If adding, copies any secondary addresses from master to slave
267 * If deleting, deletes the master's secondary addresses from the slave
271 bond_slave_add_del_mac_addrs (bond_if_t * bif, u32 sif_sw_if_index, u8 is_add)
273 vnet_main_t *vnm = vnet_get_main ();
274 ethernet_interface_t *b_ei;
275 mac_address_t *sec_mac;
276 vnet_hw_interface_t *s_hwif;
278 b_ei = ethernet_get_interface (ðernet_main, bif->hw_if_index);
279 if (!b_ei || !b_ei->secondary_addrs)
282 s_hwif = vnet_get_sup_hw_interface (vnm, sif_sw_if_index);
284 vec_foreach (sec_mac, b_ei->secondary_addrs)
285 vnet_hw_interface_add_del_mac_address (vnm, s_hwif->hw_if_index,
286 sec_mac->bytes, is_add);
290 bond_delete_neighbor (vlib_main_t * vm, bond_if_t * bif, slave_if_t * sif)
292 bond_main_t *bm = &bond_main;
293 vnet_main_t *vnm = vnet_get_main ();
295 vnet_hw_interface_t *sif_hw;
297 sif_hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
299 bif->port_number_bitmap =
300 clib_bitmap_set (bif->port_number_bitmap,
301 ntohs (sif->actor_admin.port_number) - 1, 0);
302 bm->slave_by_sw_if_index[sif->sw_if_index] = 0;
303 vec_free (sif->last_marker_pkt);
304 vec_free (sif->last_rx_pkt);
305 vec_foreach_index (i, bif->slaves)
307 uword p = *vec_elt_at_index (bif->slaves, i);
308 if (p == sif->sw_if_index)
310 vec_del1 (bif->slaves, i);
315 bond_disable_collecting_distributing (vm, sif);
317 vnet_feature_enable_disable ("device-input", "bond-input",
318 sif->sw_if_index, 0, 0, 0);
320 /* Put back the old mac */
321 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
322 sif->persistent_hw_address);
324 /* delete the bond's secondary/virtual mac addrs from the slave */
325 bond_slave_add_del_mac_addrs (bif, sif->sw_if_index, 0 /* is_add */ );
328 if ((bif->mode == BOND_MODE_LACP) && bm->lacp_enable_disable)
329 (*bm->lacp_enable_disable) (vm, bif, sif, 0);
331 if (bif->mode == BOND_MODE_LACP)
332 stat_segment_deregister_state_counter
333 (bm->stats[bif->sw_if_index][sif->sw_if_index]);
335 pool_put (bm->neighbors, sif);
339 bond_delete_if (vlib_main_t * vm, u32 sw_if_index)
341 bond_main_t *bm = &bond_main;
342 vnet_main_t *vnm = vnet_get_main ();
345 vnet_hw_interface_t *hw;
346 u32 *sif_sw_if_index;
349 hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
350 if (hw == NULL || bond_dev_class.index != hw->dev_class_index)
351 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
353 bif = bond_get_master_by_dev_instance (hw->dev_instance);
355 vec_append (s_list, bif->slaves);
356 vec_foreach (sif_sw_if_index, s_list)
358 sif = bond_get_slave_by_sw_if_index (*sif_sw_if_index);
360 bond_delete_neighbor (vm, bif, sif);
364 /* bring down the interface */
365 vnet_hw_interface_set_flags (vnm, bif->hw_if_index, 0);
366 vnet_sw_interface_set_flags (vnm, bif->sw_if_index, 0);
368 ethernet_delete_interface (vnm, bif->hw_if_index);
370 clib_bitmap_free (bif->port_number_bitmap);
371 hash_unset (bm->bond_by_sw_if_index, bif->sw_if_index);
372 hash_unset (bm->id_used, bif->id);
373 clib_memset (bif, 0, sizeof (*bif));
374 pool_put (bm->interfaces, bif);
380 bond_create_if (vlib_main_t * vm, bond_create_if_args_t * args)
382 bond_main_t *bm = &bond_main;
383 vnet_main_t *vnm = vnet_get_main ();
384 vnet_sw_interface_t *sw;
387 if ((args->mode == BOND_MODE_LACP) && bm->lacp_plugin_loaded == 0)
389 args->rv = VNET_API_ERROR_FEATURE_DISABLED;
390 args->error = clib_error_return (0, "LACP plugin is not loaded");
393 if (args->mode > BOND_MODE_LACP || args->mode < BOND_MODE_ROUND_ROBIN)
395 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
396 args->error = clib_error_return (0, "Invalid mode");
399 if (args->lb > BOND_LB_L23)
401 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
402 args->error = clib_error_return (0, "Invalid load-balance");
405 pool_get (bm->interfaces, bif);
406 clib_memset (bif, 0, sizeof (*bif));
407 bif->dev_instance = bif - bm->interfaces;
410 bif->mode = args->mode;
412 // Adjust requested interface id
414 bif->id = bif->dev_instance;
415 if (hash_get (bm->id_used, bif->id))
417 args->rv = VNET_API_ERROR_INSTANCE_IN_USE;
418 pool_put (bm->interfaces, bif);
421 hash_set (bm->id_used, bif->id, 1);
423 // Special load-balance mode used for rr and bc
424 if (bif->mode == BOND_MODE_ROUND_ROBIN)
425 bif->lb = BOND_LB_RR;
426 else if (bif->mode == BOND_MODE_BROADCAST)
427 bif->lb = BOND_LB_BC;
428 else if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
429 bif->lb = BOND_LB_AB;
431 bif->use_custom_mac = args->hw_addr_set;
432 if (!args->hw_addr_set)
434 f64 now = vlib_time_now (vm);
436 rnd = (u32) (now * 1e6);
437 rnd = random_u32 (&rnd);
439 memcpy (args->hw_addr + 2, &rnd, sizeof (rnd));
440 args->hw_addr[0] = 2;
441 args->hw_addr[1] = 0xfe;
443 memcpy (bif->hw_address, args->hw_addr, 6);
444 args->error = ethernet_register_interface
445 (vnm, bond_dev_class.index, bif->dev_instance /* device instance */ ,
446 bif->hw_address /* ethernet address */ ,
447 &bif->hw_if_index, 0 /* flag change */ );
451 args->rv = VNET_API_ERROR_INVALID_REGISTRATION;
452 hash_unset (bm->id_used, bif->id);
453 pool_put (bm->interfaces, bif);
457 sw = vnet_get_hw_sw_interface (vnm, bif->hw_if_index);
458 bif->sw_if_index = sw->sw_if_index;
459 bif->group = bif->sw_if_index;
460 bif->numa_only = args->numa_only;
461 if (vlib_get_thread_main ()->n_vlib_mains > 1)
462 clib_spinlock_init (&bif->lockp);
464 vnet_hw_interface_set_flags (vnm, bif->hw_if_index,
465 VNET_HW_INTERFACE_FLAG_LINK_UP);
467 hash_set (bm->bond_by_sw_if_index, bif->sw_if_index, bif->dev_instance);
470 args->sw_if_index = bif->sw_if_index;
474 static clib_error_t *
475 bond_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
476 vlib_cli_command_t * cmd)
478 unformat_input_t _line_input, *line_input = &_line_input;
479 bond_create_if_args_t args = { 0 };
482 /* Get a line of input. */
483 if (!unformat_user (input, unformat_line_input, line_input))
484 return clib_error_return (0, "Missing required arguments.");
488 args.lb = BOND_LB_L2;
490 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
492 if (unformat (line_input, "mode %U", unformat_bond_mode, &args.mode))
494 else if (((args.mode == BOND_MODE_LACP) || (args.mode == BOND_MODE_XOR))
495 && unformat (line_input, "load-balance %U",
496 unformat_bond_load_balance, &args.lb))
498 else if (unformat (line_input, "hw-addr %U",
499 unformat_ethernet_address, args.hw_addr))
500 args.hw_addr_set = 1;
501 else if (unformat (line_input, "id %u", &args.id))
503 else if (unformat (line_input, "numa-only"))
505 if (args.mode == BOND_MODE_LACP)
508 return clib_error_return (0,
509 "Only lacp mode supports numa-only so far!");
512 return clib_error_return (0, "unknown input `%U'",
513 format_unformat_error, input);
515 unformat_free (line_input);
517 if (mode_is_set == 0)
518 return clib_error_return (0, "Missing bond mode");
520 bond_create_if (vm, &args);
523 vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
524 vnet_get_main (), args.sw_if_index);
530 VLIB_CLI_COMMAND (bond_create_command, static) = {
531 .path = "create bond",
532 .short_help = "create bond mode {round-robin | active-backup | broadcast | "
533 "{lacp | xor} [load-balance { l2 | l23 | l34 } [numa-only]]} [hw-addr <mac-address>] "
535 .function = bond_create_command_fn,
539 static clib_error_t *
540 bond_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
541 vlib_cli_command_t * cmd)
543 unformat_input_t _line_input, *line_input = &_line_input;
544 u32 sw_if_index = ~0;
545 vnet_main_t *vnm = vnet_get_main ();
548 /* Get a line of input. */
549 if (!unformat_user (input, unformat_line_input, line_input))
550 return clib_error_return (0, "Missing <interface>");
552 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
554 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
556 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
560 return clib_error_return (0, "unknown input `%U'",
561 format_unformat_error, input);
563 unformat_free (line_input);
565 if (sw_if_index == ~0)
566 return clib_error_return (0,
567 "please specify interface name or sw_if_index");
569 rv = bond_delete_if (vm, sw_if_index);
570 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
571 return clib_error_return (0, "not a bond interface");
573 return clib_error_return (0, "error on deleting bond interface");
579 VLIB_CLI_COMMAND (bond_delete__command, static) =
581 .path = "delete bond",
582 .short_help = "delete bond {<interface> | sw_if_index <sw_idx>}",
583 .function = bond_delete_command_fn,
588 bond_enslave (vlib_main_t * vm, bond_enslave_args_t * args)
590 bond_main_t *bm = &bond_main;
591 vnet_main_t *vnm = vnet_get_main ();
594 vnet_interface_main_t *im = &vnm->interface_main;
595 vnet_hw_interface_t *bif_hw, *sif_hw;
596 vnet_sw_interface_t *sw;
600 bif = bond_get_master_by_sw_if_index (args->group);
603 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
604 args->error = clib_error_return (0, "bond interface not found");
607 // make sure the interface is not already enslaved
608 if (bond_get_slave_by_sw_if_index (args->slave))
610 args->rv = VNET_API_ERROR_VALUE_EXIST;
611 args->error = clib_error_return (0, "interface was already enslaved");
614 sif_hw = vnet_get_sup_hw_interface (vnm, args->slave);
615 if (sif_hw->dev_class_index == bond_dev_class.index)
617 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
619 clib_error_return (0, "bond interface cannot be enslaved");
622 if (bif->mode == BOND_MODE_LACP)
624 u8 *name = format (0, "/if/lacp/%u/%u/state%c", bif->sw_if_index,
627 vec_validate (bm->stats, bif->sw_if_index);
628 vec_validate (bm->stats[bif->sw_if_index], args->slave);
630 args->error = stat_segment_register_state_counter
631 (name, &bm->stats[bif->sw_if_index][args->slave]);
633 if (args->error != 0)
635 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
640 pool_get (bm->neighbors, sif);
641 clib_memset (sif, 0, sizeof (*sif));
642 sw = pool_elt_at_index (im->sw_interfaces, args->slave);
643 /* port_enabled is both admin up and hw link up */
644 sif->port_enabled = vnet_sw_interface_is_up (vnm, sw->sw_if_index);
645 sif->sw_if_index = sw->sw_if_index;
646 sif->hw_if_index = sw->hw_if_index;
647 sif->packet_template_index = (u8) ~ 0;
648 sif->is_passive = args->is_passive;
649 sif->group = args->group;
650 sif->bif_dev_instance = bif->dev_instance;
651 sif->mode = bif->mode;
653 sif->is_long_timeout = args->is_long_timeout;
654 if (args->is_long_timeout)
655 sif->ttl_in_seconds = LACP_LONG_TIMOUT_TIME;
657 sif->ttl_in_seconds = LACP_SHORT_TIMOUT_TIME;
659 vec_validate_aligned (bm->slave_by_sw_if_index, sif->sw_if_index,
660 CLIB_CACHE_LINE_BYTES);
662 * sif - bm->neighbors may be 0
663 * Left shift it by 1 bit to distinguish the valid entry that we actually
664 * store from the null entries
666 bm->slave_by_sw_if_index[sif->sw_if_index] =
667 (uword) (((sif - bm->neighbors) << 1) | 1);
668 vec_add1 (bif->slaves, sif->sw_if_index);
670 sif_hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
672 /* Save the old mac */
673 memcpy (sif->persistent_hw_address, sif_hw->hw_address, 6);
674 bif_hw = vnet_get_sup_hw_interface (vnm, bif->sw_if_index);
675 if (bif->use_custom_mac)
677 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
682 // bond interface gets the mac address from the first slave
683 if (vec_len (bif->slaves) == 1)
685 memcpy (bif->hw_address, sif_hw->hw_address, 6);
686 vnet_hw_interface_change_mac_address (vnm, bif_hw->hw_if_index,
691 // subsequent slaves gets the mac address of the bond interface
692 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
697 /* if there are secondary/virtual mac addrs, propagate to the slave */
698 bond_slave_add_del_mac_addrs (bif, sif->sw_if_index, 1 /* is_add */ );
700 if (bif_hw->l2_if_count)
702 ethernet_set_flags (vnm, sif_hw->hw_if_index,
703 ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
704 /* ensure all packets go to ethernet-input */
705 ethernet_set_rx_redirect (vnm, sif_hw, 1);
708 if (bif->mode == BOND_MODE_LACP)
710 if (bm->lacp_enable_disable)
711 (*bm->lacp_enable_disable) (vm, bif, sif, 1);
713 else if (sif->port_enabled)
715 bond_enable_collecting_distributing (vm, sif);
718 vec_foreach_index (thread_index, bm->per_thread_data)
720 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
723 vec_validate_aligned (ptd->per_port_queue, vec_len (bif->slaves) - 1,
724 CLIB_CACHE_LINE_BYTES);
726 vec_foreach_index (sif_if_index, ptd->per_port_queue)
728 ptd->per_port_queue[sif_if_index].n_buffers = 0;
732 args->rv = vnet_feature_enable_disable ("device-input", "bond-input",
733 sif->sw_if_index, 1, 0, 0);
738 clib_error_return (0,
739 "Error encountered on input feature arc enable");
743 static clib_error_t *
744 enslave_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
745 vlib_cli_command_t * cmd)
747 bond_enslave_args_t args = { 0 };
748 unformat_input_t _line_input, *line_input = &_line_input;
749 vnet_main_t *vnm = vnet_get_main ();
751 /* Get a line of input. */
752 if (!unformat_user (input, unformat_line_input, line_input))
753 return clib_error_return (0, "Missing required arguments.");
757 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
759 if (unformat (line_input, "%U %U",
760 unformat_vnet_sw_interface, vnm, &args.group,
761 unformat_vnet_sw_interface, vnm, &args.slave))
763 else if (unformat (line_input, "passive"))
765 else if (unformat (line_input, "long-timeout"))
766 args.is_long_timeout = 1;
769 args.error = clib_error_return (0, "unknown input `%U'",
770 format_unformat_error, input);
774 unformat_free (line_input);
778 if (args.group == ~0)
779 return clib_error_return (0, "Missing bond interface");
780 if (args.slave == ~0)
781 return clib_error_return (0, "please specify valid slave interface name");
783 bond_enslave (vm, &args);
789 VLIB_CLI_COMMAND (enslave_interface_command, static) = {
791 .short_help = "bond add <BondEthernetx> <slave-interface> "
792 "[passive] [long-timeout]",
793 .function = enslave_interface_command_fn,
798 bond_detach_slave (vlib_main_t * vm, bond_detach_slave_args_t * args)
803 sif = bond_get_slave_by_sw_if_index (args->slave);
806 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
807 args->error = clib_error_return (0, "interface was not enslaved");
810 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
811 bond_delete_neighbor (vm, bif, sif);
814 static clib_error_t *
815 detach_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
816 vlib_cli_command_t * cmd)
818 bond_detach_slave_args_t args = { 0 };
819 unformat_input_t _line_input, *line_input = &_line_input;
820 vnet_main_t *vnm = vnet_get_main ();
822 /* Get a line of input. */
823 if (!unformat_user (input, unformat_line_input, line_input))
824 return clib_error_return (0, "Missing required arguments.");
827 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
829 if (unformat (line_input, "%U",
830 unformat_vnet_sw_interface, vnm, &args.slave))
834 args.error = clib_error_return (0, "unknown input `%U'",
835 format_unformat_error, input);
839 unformat_free (line_input);
843 if (args.slave == ~0)
844 return clib_error_return (0, "please specify valid slave interface name");
846 bond_detach_slave (vm, &args);
852 VLIB_CLI_COMMAND (detach_interface_command, static) = {
854 .short_help = "bond del <slave-interface>",
855 .function = detach_interface_command_fn,
860 show_bond (vlib_main_t * vm)
862 bond_main_t *bm = &bond_main;
865 vlib_cli_output (vm, "%-16s %-12s %-13s %-13s %-14s %s",
866 "interface name", "sw_if_index", "mode",
867 "load balance", "active slaves", "slaves");
870 pool_foreach (bif, bm->interfaces,
872 vlib_cli_output (vm, "%-16U %-12d %-13U %-13U %-14u %u",
873 format_bond_interface_name, bif->dev_instance,
874 bif->sw_if_index, format_bond_mode, bif->mode,
875 format_bond_load_balance, bif->lb,
876 vec_len (bif->active_slaves), vec_len (bif->slaves));
882 show_bond_details (vlib_main_t * vm)
884 bond_main_t *bm = &bond_main;
889 pool_foreach (bif, bm->interfaces,
891 vlib_cli_output (vm, "%U", format_bond_interface_name, bif->dev_instance);
892 vlib_cli_output (vm, " mode: %U",
893 format_bond_mode, bif->mode);
894 vlib_cli_output (vm, " load balance: %U",
895 format_bond_load_balance, bif->lb);
896 if (bif->mode == BOND_MODE_ROUND_ROBIN)
897 vlib_cli_output (vm, " last xmit slave index: %u",
898 bif->lb_rr_last_index);
899 vlib_cli_output (vm, " number of active slaves: %d",
900 vec_len (bif->active_slaves));
901 vec_foreach (sw_if_index, bif->active_slaves)
903 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name,
904 vnet_get_main (), *sw_if_index);
905 if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
907 slave_if_t *sif = bond_get_slave_by_sw_if_index (*sw_if_index);
909 vlib_cli_output (vm, " weight: %u, is_local_numa: %u, "
910 "sw_if_index: %u", sif->weight,
911 sif->is_local_numa, sif->sw_if_index);
914 vlib_cli_output (vm, " number of slaves: %d", vec_len (bif->slaves));
915 vec_foreach (sw_if_index, bif->slaves)
917 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name,
918 vnet_get_main (), *sw_if_index);
920 vlib_cli_output (vm, " device instance: %d", bif->dev_instance);
921 vlib_cli_output (vm, " interface id: %d", bif->id);
922 vlib_cli_output (vm, " sw_if_index: %d", bif->sw_if_index);
923 vlib_cli_output (vm, " hw_if_index: %d", bif->hw_if_index);
928 static clib_error_t *
929 show_bond_fn (vlib_main_t * vm, unformat_input_t * input,
930 vlib_cli_command_t * cmd)
934 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
936 if (unformat (input, "details"))
940 return clib_error_return (0, "unknown input `%U'",
941 format_unformat_error, input);
946 show_bond_details (vm);
954 VLIB_CLI_COMMAND (show_bond_command, static) = {
956 .short_help = "show bond [details]",
957 .function = show_bond_fn,
962 bond_set_intf_weight (vlib_main_t * vm, bond_set_intf_weight_args_t * args)
969 sif = bond_get_slave_by_sw_if_index (args->sw_if_index);
972 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
973 args->error = clib_error_return (0, "Interface not enslaved");
976 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
979 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
980 args->error = clib_error_return (0, "bond interface not found");
983 if (bif->mode != BOND_MODE_ACTIVE_BACKUP)
985 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
987 clib_error_return (0, "Weight valid for active-backup only");
991 old_weight = sif->weight;
992 sif->weight = args->weight;
993 vnm = vnet_get_main ();
995 * No need to sort the list if the affected slave is not up (not in active
996 * slave set), active slave count is 1, or the current slave is already the
997 * primary slave and new weight > old weight.
999 if (!vnet_sw_interface_is_up (vnm, sif->sw_if_index) ||
1000 (vec_len (bif->active_slaves) == 1) ||
1001 ((bif->active_slaves[0] == sif->sw_if_index) &&
1002 (sif->weight >= old_weight)))
1005 bond_sort_slaves (bif);
1008 static clib_error_t *
1009 bond_set_intf_cmd (vlib_main_t * vm, unformat_input_t * input,
1010 vlib_cli_command_t * cmd)
1012 bond_set_intf_weight_args_t args = { 0 };
1013 u32 sw_if_index = (u32) ~ 0;
1014 unformat_input_t _line_input, *line_input = &_line_input;
1015 vnet_main_t *vnm = vnet_get_main ();
1016 u8 weight_enter = 0;
1019 /* Get a line of input. */
1020 if (!unformat_user (input, unformat_line_input, line_input))
1021 return clib_error_return (0, "Missing required arguments.");
1023 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
1025 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
1027 else if (unformat (line_input, "%U", unformat_vnet_sw_interface, vnm,
1030 else if (unformat (line_input, "weight %u", &weight))
1034 clib_error_return (0, "unknown input `%U'", format_unformat_error,
1040 unformat_free (line_input);
1041 if (sw_if_index == (u32) ~ 0)
1043 args.rv = VNET_API_ERROR_INVALID_INTERFACE;
1044 clib_error_return (0, "Interface name is invalid!");
1046 if (weight_enter == 0)
1048 args.rv = VNET_API_ERROR_INVALID_ARGUMENT;
1049 clib_error_return (0, "weight missing");
1052 args.sw_if_index = sw_if_index;
1053 args.weight = weight;
1054 bond_set_intf_weight (vm, &args);
1060 VLIB_CLI_COMMAND(set_interface_bond_cmd, static) = {
1061 .path = "set interface bond",
1062 .short_help = "set interface bond <interface> | sw_if_index <idx>"
1064 .function = bond_set_intf_cmd,
1069 bond_cli_init (vlib_main_t * vm)
1071 bond_main_t *bm = &bond_main;
1074 bm->vnet_main = vnet_get_main ();
1075 vec_validate_aligned (bm->slave_by_sw_if_index, 1, CLIB_CACHE_LINE_BYTES);
1076 vec_validate_aligned (bm->per_thread_data,
1077 vlib_get_thread_main ()->n_vlib_mains - 1,
1078 CLIB_CACHE_LINE_BYTES);
1083 VLIB_INIT_FUNCTION (bond_cli_init);
1086 * fd.io coding-style-patch-verification: ON
1089 * eval: (c-set-style "gnu")