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 bond_delete_neighbor (vlib_main_t * vm, bond_if_t * bif, slave_if_t * sif)
267 bond_main_t *bm = &bond_main;
268 vnet_main_t *vnm = vnet_get_main ();
270 vnet_hw_interface_t *sif_hw;
272 sif_hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
274 bif->port_number_bitmap =
275 clib_bitmap_set (bif->port_number_bitmap,
276 ntohs (sif->actor_admin.port_number) - 1, 0);
277 bm->slave_by_sw_if_index[sif->sw_if_index] = 0;
278 vec_free (sif->last_marker_pkt);
279 vec_free (sif->last_rx_pkt);
280 vec_foreach_index (i, bif->slaves)
282 uword p = *vec_elt_at_index (bif->slaves, i);
283 if (p == sif->sw_if_index)
285 vec_del1 (bif->slaves, i);
290 bond_disable_collecting_distributing (vm, sif);
292 vnet_feature_enable_disable ("device-input", "bond-input",
293 sif->sw_if_index, 0, 0, 0);
295 /* Put back the old mac */
296 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
297 sif->persistent_hw_address);
299 if ((bif->mode == BOND_MODE_LACP) && bm->lacp_enable_disable)
300 (*bm->lacp_enable_disable) (vm, bif, sif, 0);
302 if (bif->mode == BOND_MODE_LACP)
303 stat_segment_deregister_state_counter
304 (bm->stats[bif->sw_if_index][sif->sw_if_index]);
306 pool_put (bm->neighbors, sif);
310 bond_delete_if (vlib_main_t * vm, u32 sw_if_index)
312 bond_main_t *bm = &bond_main;
313 vnet_main_t *vnm = vnet_get_main ();
316 vnet_hw_interface_t *hw;
317 u32 *sif_sw_if_index;
320 hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
321 if (hw == NULL || bond_dev_class.index != hw->dev_class_index)
322 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
324 bif = bond_get_master_by_dev_instance (hw->dev_instance);
326 vec_append (s_list, bif->slaves);
327 vec_foreach (sif_sw_if_index, s_list)
329 sif = bond_get_slave_by_sw_if_index (*sif_sw_if_index);
331 bond_delete_neighbor (vm, bif, sif);
335 /* bring down the interface */
336 vnet_hw_interface_set_flags (vnm, bif->hw_if_index, 0);
337 vnet_sw_interface_set_flags (vnm, bif->sw_if_index, 0);
339 ethernet_delete_interface (vnm, bif->hw_if_index);
341 clib_bitmap_free (bif->port_number_bitmap);
342 hash_unset (bm->bond_by_sw_if_index, bif->sw_if_index);
343 hash_unset (bm->id_used, bif->id);
344 clib_memset (bif, 0, sizeof (*bif));
345 pool_put (bm->interfaces, bif);
351 bond_create_if (vlib_main_t * vm, bond_create_if_args_t * args)
353 bond_main_t *bm = &bond_main;
354 vnet_main_t *vnm = vnet_get_main ();
355 vnet_sw_interface_t *sw;
358 if ((args->mode == BOND_MODE_LACP) && bm->lacp_plugin_loaded == 0)
360 args->rv = VNET_API_ERROR_FEATURE_DISABLED;
361 args->error = clib_error_return (0, "LACP plugin is not loaded");
364 if (args->mode > BOND_MODE_LACP || args->mode < BOND_MODE_ROUND_ROBIN)
366 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
367 args->error = clib_error_return (0, "Invalid mode");
370 if (args->lb > BOND_LB_L23)
372 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
373 args->error = clib_error_return (0, "Invalid load-balance");
376 pool_get (bm->interfaces, bif);
377 clib_memset (bif, 0, sizeof (*bif));
378 bif->dev_instance = bif - bm->interfaces;
381 bif->mode = args->mode;
383 // Adjust requested interface id
385 bif->id = bif->dev_instance;
386 if (hash_get (bm->id_used, bif->id))
388 args->rv = VNET_API_ERROR_INSTANCE_IN_USE;
389 pool_put (bm->interfaces, bif);
392 hash_set (bm->id_used, bif->id, 1);
394 // Special load-balance mode used for rr and bc
395 if (bif->mode == BOND_MODE_ROUND_ROBIN)
396 bif->lb = BOND_LB_RR;
397 else if (bif->mode == BOND_MODE_BROADCAST)
398 bif->lb = BOND_LB_BC;
399 else if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
400 bif->lb = BOND_LB_AB;
402 bif->use_custom_mac = args->hw_addr_set;
403 if (!args->hw_addr_set)
405 f64 now = vlib_time_now (vm);
407 rnd = (u32) (now * 1e6);
408 rnd = random_u32 (&rnd);
410 memcpy (args->hw_addr + 2, &rnd, sizeof (rnd));
411 args->hw_addr[0] = 2;
412 args->hw_addr[1] = 0xfe;
414 memcpy (bif->hw_address, args->hw_addr, 6);
415 args->error = ethernet_register_interface
416 (vnm, bond_dev_class.index, bif->dev_instance /* device instance */ ,
417 bif->hw_address /* ethernet address */ ,
418 &bif->hw_if_index, 0 /* flag change */ );
422 args->rv = VNET_API_ERROR_INVALID_REGISTRATION;
423 hash_unset (bm->id_used, bif->id);
424 pool_put (bm->interfaces, bif);
428 sw = vnet_get_hw_sw_interface (vnm, bif->hw_if_index);
429 bif->sw_if_index = sw->sw_if_index;
430 bif->group = bif->sw_if_index;
431 bif->numa_only = args->numa_only;
432 if (vlib_get_thread_main ()->n_vlib_mains > 1)
433 clib_spinlock_init (&bif->lockp);
435 vnet_hw_interface_set_flags (vnm, bif->hw_if_index,
436 VNET_HW_INTERFACE_FLAG_LINK_UP);
438 hash_set (bm->bond_by_sw_if_index, bif->sw_if_index, bif->dev_instance);
441 args->sw_if_index = bif->sw_if_index;
445 static clib_error_t *
446 bond_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
447 vlib_cli_command_t * cmd)
449 unformat_input_t _line_input, *line_input = &_line_input;
450 bond_create_if_args_t args = { 0 };
453 /* Get a line of input. */
454 if (!unformat_user (input, unformat_line_input, line_input))
455 return clib_error_return (0, "Missing required arguments.");
459 args.lb = BOND_LB_L2;
461 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
463 if (unformat (line_input, "mode %U", unformat_bond_mode, &args.mode))
465 else if (((args.mode == BOND_MODE_LACP) || (args.mode == BOND_MODE_XOR))
466 && unformat (line_input, "load-balance %U",
467 unformat_bond_load_balance, &args.lb))
469 else if (unformat (line_input, "hw-addr %U",
470 unformat_ethernet_address, args.hw_addr))
471 args.hw_addr_set = 1;
472 else if (unformat (line_input, "id %u", &args.id))
474 else if (unformat (line_input, "numa-only"))
476 if (args.mode == BOND_MODE_LACP)
479 return clib_error_return (0,
480 "Only lacp mode supports numa-only so far!");
483 return clib_error_return (0, "unknown input `%U'",
484 format_unformat_error, input);
486 unformat_free (line_input);
488 if (mode_is_set == 0)
489 return clib_error_return (0, "Missing bond mode");
491 bond_create_if (vm, &args);
494 vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
495 vnet_get_main (), args.sw_if_index);
501 VLIB_CLI_COMMAND (bond_create_command, static) = {
502 .path = "create bond",
503 .short_help = "create bond mode {round-robin | active-backup | broadcast | "
504 "{lacp | xor} [load-balance { l2 | l23 | l34 } [numa-only]]} [hw-addr <mac-address>] "
506 .function = bond_create_command_fn,
510 static clib_error_t *
511 bond_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
512 vlib_cli_command_t * cmd)
514 unformat_input_t _line_input, *line_input = &_line_input;
515 u32 sw_if_index = ~0;
516 vnet_main_t *vnm = vnet_get_main ();
519 /* Get a line of input. */
520 if (!unformat_user (input, unformat_line_input, line_input))
521 return clib_error_return (0, "Missing <interface>");
523 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
525 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
527 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
531 return clib_error_return (0, "unknown input `%U'",
532 format_unformat_error, input);
534 unformat_free (line_input);
536 if (sw_if_index == ~0)
537 return clib_error_return (0,
538 "please specify interface name or sw_if_index");
540 rv = bond_delete_if (vm, sw_if_index);
541 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
542 return clib_error_return (0, "not a bond interface");
544 return clib_error_return (0, "error on deleting bond interface");
550 VLIB_CLI_COMMAND (bond_delete__command, static) =
552 .path = "delete bond",
553 .short_help = "delete bond {<interface> | sw_if_index <sw_idx>}",
554 .function = bond_delete_command_fn,
559 bond_enslave (vlib_main_t * vm, bond_enslave_args_t * args)
561 bond_main_t *bm = &bond_main;
562 vnet_main_t *vnm = vnet_get_main ();
565 vnet_interface_main_t *im = &vnm->interface_main;
566 vnet_hw_interface_t *bif_hw, *sif_hw;
567 vnet_sw_interface_t *sw;
571 bif = bond_get_master_by_sw_if_index (args->group);
574 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
575 args->error = clib_error_return (0, "bond interface not found");
578 // make sure the interface is not already enslaved
579 if (bond_get_slave_by_sw_if_index (args->slave))
581 args->rv = VNET_API_ERROR_VALUE_EXIST;
582 args->error = clib_error_return (0, "interface was already enslaved");
585 sif_hw = vnet_get_sup_hw_interface (vnm, args->slave);
586 if (sif_hw->dev_class_index == bond_dev_class.index)
588 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
590 clib_error_return (0, "bond interface cannot be enslaved");
593 if (bif->mode == BOND_MODE_LACP)
595 u8 *name = format (0, "/if/lacp/%u/%u/state", bif->sw_if_index,
598 vec_validate (bm->stats, bif->sw_if_index);
599 vec_validate (bm->stats[bif->sw_if_index], args->slave);
601 args->error = stat_segment_register_state_counter
602 (name, &bm->stats[bif->sw_if_index][args->slave]);
604 if (args->error != 0)
606 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
611 pool_get (bm->neighbors, sif);
612 clib_memset (sif, 0, sizeof (*sif));
613 sw = pool_elt_at_index (im->sw_interfaces, args->slave);
614 /* port_enabled is both admin up and hw link up */
615 sif->port_enabled = vnet_sw_interface_is_up (vnm, sw->sw_if_index);
616 sif->sw_if_index = sw->sw_if_index;
617 sif->hw_if_index = sw->hw_if_index;
618 sif->packet_template_index = (u8) ~ 0;
619 sif->is_passive = args->is_passive;
620 sif->group = args->group;
621 sif->bif_dev_instance = bif->dev_instance;
622 sif->mode = bif->mode;
624 sif->is_long_timeout = args->is_long_timeout;
625 if (args->is_long_timeout)
626 sif->ttl_in_seconds = LACP_LONG_TIMOUT_TIME;
628 sif->ttl_in_seconds = LACP_SHORT_TIMOUT_TIME;
630 vec_validate_aligned (bm->slave_by_sw_if_index, sif->sw_if_index,
631 CLIB_CACHE_LINE_BYTES);
633 * sif - bm->neighbors may be 0
634 * Left shift it by 1 bit to distinguish the valid entry that we actually
635 * store from the null entries
637 bm->slave_by_sw_if_index[sif->sw_if_index] =
638 (uword) (((sif - bm->neighbors) << 1) | 1);
639 vec_add1 (bif->slaves, sif->sw_if_index);
641 sif_hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
643 /* Save the old mac */
644 memcpy (sif->persistent_hw_address, sif_hw->hw_address, 6);
645 bif_hw = vnet_get_sup_hw_interface (vnm, bif->sw_if_index);
646 if (bif->use_custom_mac)
648 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
653 // bond interface gets the mac address from the first slave
654 if (vec_len (bif->slaves) == 1)
656 memcpy (bif->hw_address, sif_hw->hw_address, 6);
657 vnet_hw_interface_change_mac_address (vnm, bif_hw->hw_if_index,
662 // subsequent slaves gets the mac address of the bond interface
663 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
668 if (bif_hw->l2_if_count)
670 ethernet_set_flags (vnm, sif_hw->hw_if_index,
671 ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
672 /* ensure all packets go to ethernet-input */
673 ethernet_set_rx_redirect (vnm, sif_hw, 1);
676 if (bif->mode == BOND_MODE_LACP)
678 if (bm->lacp_enable_disable)
679 (*bm->lacp_enable_disable) (vm, bif, sif, 1);
681 else if (sif->port_enabled)
683 bond_enable_collecting_distributing (vm, sif);
686 vec_foreach_index (thread_index, bm->per_thread_data)
688 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
691 vec_validate_aligned (ptd->per_port_queue, vec_len (bif->slaves) - 1,
692 CLIB_CACHE_LINE_BYTES);
694 vec_foreach_index (sif_if_index, ptd->per_port_queue)
696 ptd->per_port_queue[sif_if_index].n_buffers = 0;
700 args->rv = vnet_feature_enable_disable ("device-input", "bond-input",
701 sif->sw_if_index, 1, 0, 0);
706 clib_error_return (0,
707 "Error encountered on input feature arc enable");
711 static clib_error_t *
712 enslave_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
713 vlib_cli_command_t * cmd)
715 bond_enslave_args_t args = { 0 };
716 unformat_input_t _line_input, *line_input = &_line_input;
717 vnet_main_t *vnm = vnet_get_main ();
719 /* Get a line of input. */
720 if (!unformat_user (input, unformat_line_input, line_input))
721 return clib_error_return (0, "Missing required arguments.");
725 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
727 if (unformat (line_input, "%U %U",
728 unformat_vnet_sw_interface, vnm, &args.group,
729 unformat_vnet_sw_interface, vnm, &args.slave))
731 else if (unformat (line_input, "passive"))
733 else if (unformat (line_input, "long-timeout"))
734 args.is_long_timeout = 1;
737 args.error = clib_error_return (0, "unknown input `%U'",
738 format_unformat_error, input);
742 unformat_free (line_input);
746 if (args.group == ~0)
747 return clib_error_return (0, "Missing bond interface");
748 if (args.slave == ~0)
749 return clib_error_return (0, "please specify valid slave interface name");
751 bond_enslave (vm, &args);
757 VLIB_CLI_COMMAND (enslave_interface_command, static) = {
759 .short_help = "bond add <BondEthernetx> <slave-interface> "
760 "[passive] [long-timeout]",
761 .function = enslave_interface_command_fn,
766 bond_detach_slave (vlib_main_t * vm, bond_detach_slave_args_t * args)
771 sif = bond_get_slave_by_sw_if_index (args->slave);
774 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
775 args->error = clib_error_return (0, "interface was not enslaved");
778 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
779 bond_delete_neighbor (vm, bif, sif);
782 static clib_error_t *
783 detach_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
784 vlib_cli_command_t * cmd)
786 bond_detach_slave_args_t args = { 0 };
787 unformat_input_t _line_input, *line_input = &_line_input;
788 vnet_main_t *vnm = vnet_get_main ();
790 /* Get a line of input. */
791 if (!unformat_user (input, unformat_line_input, line_input))
792 return clib_error_return (0, "Missing required arguments.");
795 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
797 if (unformat (line_input, "%U",
798 unformat_vnet_sw_interface, vnm, &args.slave))
802 args.error = clib_error_return (0, "unknown input `%U'",
803 format_unformat_error, input);
807 unformat_free (line_input);
811 if (args.slave == ~0)
812 return clib_error_return (0, "please specify valid slave interface name");
814 bond_detach_slave (vm, &args);
820 VLIB_CLI_COMMAND (detach_interface_command, static) = {
822 .short_help = "bond del <slave-interface>",
823 .function = detach_interface_command_fn,
828 show_bond (vlib_main_t * vm)
830 bond_main_t *bm = &bond_main;
833 vlib_cli_output (vm, "%-16s %-12s %-13s %-13s %-14s %s",
834 "interface name", "sw_if_index", "mode",
835 "load balance", "active slaves", "slaves");
838 pool_foreach (bif, bm->interfaces,
840 vlib_cli_output (vm, "%-16U %-12d %-13U %-13U %-14u %u",
841 format_bond_interface_name, bif->dev_instance,
842 bif->sw_if_index, format_bond_mode, bif->mode,
843 format_bond_load_balance, bif->lb,
844 vec_len (bif->active_slaves), vec_len (bif->slaves));
850 show_bond_details (vlib_main_t * vm)
852 bond_main_t *bm = &bond_main;
857 pool_foreach (bif, bm->interfaces,
859 vlib_cli_output (vm, "%U", format_bond_interface_name, bif->dev_instance);
860 vlib_cli_output (vm, " mode: %U",
861 format_bond_mode, bif->mode);
862 vlib_cli_output (vm, " load balance: %U",
863 format_bond_load_balance, bif->lb);
864 if (bif->mode == BOND_MODE_ROUND_ROBIN)
865 vlib_cli_output (vm, " last xmit slave index: %u",
866 bif->lb_rr_last_index);
867 vlib_cli_output (vm, " number of active slaves: %d",
868 vec_len (bif->active_slaves));
869 vec_foreach (sw_if_index, bif->active_slaves)
871 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name,
872 vnet_get_main (), *sw_if_index);
873 if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
875 slave_if_t *sif = bond_get_slave_by_sw_if_index (*sw_if_index);
877 vlib_cli_output (vm, " weight: %u, is_local_numa: %u, "
878 "sw_if_index: %u", sif->weight,
879 sif->is_local_numa, sif->sw_if_index);
882 vlib_cli_output (vm, " number of slaves: %d", vec_len (bif->slaves));
883 vec_foreach (sw_if_index, bif->slaves)
885 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name,
886 vnet_get_main (), *sw_if_index);
888 vlib_cli_output (vm, " device instance: %d", bif->dev_instance);
889 vlib_cli_output (vm, " interface id: %d", bif->id);
890 vlib_cli_output (vm, " sw_if_index: %d", bif->sw_if_index);
891 vlib_cli_output (vm, " hw_if_index: %d", bif->hw_if_index);
896 static clib_error_t *
897 show_bond_fn (vlib_main_t * vm, unformat_input_t * input,
898 vlib_cli_command_t * cmd)
902 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
904 if (unformat (input, "details"))
908 return clib_error_return (0, "unknown input `%U'",
909 format_unformat_error, input);
914 show_bond_details (vm);
922 VLIB_CLI_COMMAND (show_bond_command, static) = {
924 .short_help = "show bond [details]",
925 .function = show_bond_fn,
930 bond_set_intf_weight (vlib_main_t * vm, bond_set_intf_weight_args_t * args)
937 sif = bond_get_slave_by_sw_if_index (args->sw_if_index);
940 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
941 args->error = clib_error_return (0, "Interface not enslaved");
944 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
947 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
948 args->error = clib_error_return (0, "bond interface not found");
951 if (bif->mode != BOND_MODE_ACTIVE_BACKUP)
953 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
955 clib_error_return (0, "Weight valid for active-backup only");
959 old_weight = sif->weight;
960 sif->weight = args->weight;
961 vnm = vnet_get_main ();
963 * No need to sort the list if the affected slave is not up (not in active
964 * slave set), active slave count is 1, or the current slave is already the
965 * primary slave and new weight > old weight.
967 if (!vnet_sw_interface_is_up (vnm, sif->sw_if_index) ||
968 (vec_len (bif->active_slaves) == 1) ||
969 ((bif->active_slaves[0] == sif->sw_if_index) &&
970 (sif->weight >= old_weight)))
973 bond_sort_slaves (bif);
976 static clib_error_t *
977 bond_set_intf_cmd (vlib_main_t * vm, unformat_input_t * input,
978 vlib_cli_command_t * cmd)
980 bond_set_intf_weight_args_t args = { 0 };
981 u32 sw_if_index = (u32) ~ 0;
982 unformat_input_t _line_input, *line_input = &_line_input;
983 vnet_main_t *vnm = vnet_get_main ();
987 /* Get a line of input. */
988 if (!unformat_user (input, unformat_line_input, line_input))
989 return clib_error_return (0, "Missing required arguments.");
991 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
993 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
995 else if (unformat (line_input, "%U", unformat_vnet_sw_interface, vnm,
998 else if (unformat (line_input, "weight %u", &weight))
1002 clib_error_return (0, "unknown input `%U'", format_unformat_error,
1008 unformat_free (line_input);
1009 if (sw_if_index == (u32) ~ 0)
1011 args.rv = VNET_API_ERROR_INVALID_INTERFACE;
1012 clib_error_return (0, "Interface name is invalid!");
1014 if (weight_enter == 0)
1016 args.rv = VNET_API_ERROR_INVALID_ARGUMENT;
1017 clib_error_return (0, "weight missing");
1020 args.sw_if_index = sw_if_index;
1021 args.weight = weight;
1022 bond_set_intf_weight (vm, &args);
1028 VLIB_CLI_COMMAND(set_interface_bond_cmd, static) = {
1029 .path = "set interface bond",
1030 .short_help = "set interface bond <interface> | sw_if_index <idx>"
1032 .function = bond_set_intf_cmd,
1037 bond_cli_init (vlib_main_t * vm)
1039 bond_main_t *bm = &bond_main;
1042 bm->vnet_main = vnet_get_main ();
1043 vec_validate_aligned (bm->slave_by_sw_if_index, 1, CLIB_CACHE_LINE_BYTES);
1044 vec_validate_aligned (bm->per_thread_data,
1045 vlib_get_thread_main ()->n_vlib_mains - 1,
1046 CLIB_CACHE_LINE_BYTES);
1051 VLIB_INIT_FUNCTION (bond_cli_init);
1054 * fd.io coding-style-patch-verification: ON
1057 * eval: (c-set-style "gnu")