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->sw_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;
317 hw = vnet_get_sup_hw_interface (vnm, sw_if_index);
318 if (hw == NULL || bond_dev_class.index != hw->dev_class_index)
319 return VNET_API_ERROR_INVALID_SW_IF_INDEX;
321 bif = bond_get_master_by_dev_instance (hw->dev_instance);
323 vec_append (s_list, bif->slaves);
324 vec_foreach (sif_sw_if_index, s_list)
326 sif = bond_get_slave_by_sw_if_index (*sif_sw_if_index);
328 bond_delete_neighbor (vm, bif, sif);
332 /* bring down the interface */
333 vnet_hw_interface_set_flags (vnm, bif->hw_if_index, 0);
334 vnet_sw_interface_set_flags (vnm, bif->sw_if_index, 0);
336 ethernet_delete_interface (vnm, bif->hw_if_index);
338 clib_bitmap_free (bif->port_number_bitmap);
339 hash_unset (bm->bond_by_sw_if_index, bif->sw_if_index);
340 hash_unset (bm->id_used, bif->id);
341 clib_memset (bif, 0, sizeof (*bif));
342 pool_put (bm->interfaces, bif);
348 bond_create_if (vlib_main_t * vm, bond_create_if_args_t * args)
350 bond_main_t *bm = &bond_main;
351 vnet_main_t *vnm = vnet_get_main ();
352 vnet_sw_interface_t *sw;
355 if ((args->mode == BOND_MODE_LACP) && bm->lacp_plugin_loaded == 0)
357 args->rv = VNET_API_ERROR_FEATURE_DISABLED;
358 args->error = clib_error_return (0, "LACP plugin is not loaded");
361 if (args->mode > BOND_MODE_LACP || args->mode < BOND_MODE_ROUND_ROBIN)
363 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
364 args->error = clib_error_return (0, "Invalid mode");
367 if (args->lb > BOND_LB_L23)
369 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
370 args->error = clib_error_return (0, "Invalid load-balance");
373 pool_get (bm->interfaces, bif);
374 clib_memset (bif, 0, sizeof (*bif));
375 bif->dev_instance = bif - bm->interfaces;
378 bif->mode = args->mode;
380 // Adjust requested interface id
382 bif->id = bif->dev_instance;
383 if (hash_get (bm->id_used, bif->id))
385 args->rv = VNET_API_ERROR_INSTANCE_IN_USE;
386 pool_put (bm->interfaces, bif);
389 hash_set (bm->id_used, bif->id, 1);
391 // Special load-balance mode used for rr and bc
392 if (bif->mode == BOND_MODE_ROUND_ROBIN)
393 bif->lb = BOND_LB_RR;
394 else if (bif->mode == BOND_MODE_BROADCAST)
395 bif->lb = BOND_LB_BC;
396 else if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
397 bif->lb = BOND_LB_AB;
399 bif->use_custom_mac = args->hw_addr_set;
400 if (!args->hw_addr_set)
402 f64 now = vlib_time_now (vm);
404 rnd = (u32) (now * 1e6);
405 rnd = random_u32 (&rnd);
407 memcpy (args->hw_addr + 2, &rnd, sizeof (rnd));
408 args->hw_addr[0] = 2;
409 args->hw_addr[1] = 0xfe;
411 memcpy (bif->hw_address, args->hw_addr, 6);
412 args->error = ethernet_register_interface
413 (vnm, bond_dev_class.index, bif->dev_instance /* device instance */ ,
414 bif->hw_address /* ethernet address */ ,
415 &bif->hw_if_index, 0 /* flag change */ );
419 args->rv = VNET_API_ERROR_INVALID_REGISTRATION;
420 hash_unset (bm->id_used, bif->id);
421 pool_put (bm->interfaces, bif);
425 sw = vnet_get_hw_sw_interface (vnm, bif->hw_if_index);
426 bif->sw_if_index = sw->sw_if_index;
427 bif->group = bif->sw_if_index;
428 bif->numa_only = args->numa_only;
429 if (vlib_get_thread_main ()->n_vlib_mains > 1)
430 clib_spinlock_init (&bif->lockp);
432 vnet_hw_interface_set_flags (vnm, bif->hw_if_index,
433 VNET_HW_INTERFACE_FLAG_LINK_UP);
435 hash_set (bm->bond_by_sw_if_index, bif->sw_if_index, bif->dev_instance);
438 args->sw_if_index = bif->sw_if_index;
442 static clib_error_t *
443 bond_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
444 vlib_cli_command_t * cmd)
446 unformat_input_t _line_input, *line_input = &_line_input;
447 bond_create_if_args_t args = { 0 };
450 /* Get a line of input. */
451 if (!unformat_user (input, unformat_line_input, line_input))
452 return clib_error_return (0, "Missing required arguments.");
456 args.lb = BOND_LB_L2;
458 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
460 if (unformat (line_input, "mode %U", unformat_bond_mode, &args.mode))
462 else if (((args.mode == BOND_MODE_LACP) || (args.mode == BOND_MODE_XOR))
463 && unformat (line_input, "load-balance %U",
464 unformat_bond_load_balance, &args.lb))
466 else if (unformat (line_input, "hw-addr %U",
467 unformat_ethernet_address, args.hw_addr))
468 args.hw_addr_set = 1;
469 else if (unformat (line_input, "id %u", &args.id))
471 else if (unformat (line_input, "numa-only"))
473 if (args.mode == BOND_MODE_LACP)
476 return clib_error_return (0,
477 "Only lacp mode supports numa-only so far!");
480 return clib_error_return (0, "unknown input `%U'",
481 format_unformat_error, input);
483 unformat_free (line_input);
485 if (mode_is_set == 0)
486 return clib_error_return (0, "Missing bond mode");
488 bond_create_if (vm, &args);
491 vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
492 vnet_get_main (), args.sw_if_index);
498 VLIB_CLI_COMMAND (bond_create_command, static) = {
499 .path = "create bond",
500 .short_help = "create bond mode {round-robin | active-backup | broadcast | "
501 "{lacp | xor} [load-balance { l2 | l23 | l34 } [numa-only]]} [hw-addr <mac-address>] "
503 .function = bond_create_command_fn,
507 static clib_error_t *
508 bond_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
509 vlib_cli_command_t * cmd)
511 unformat_input_t _line_input, *line_input = &_line_input;
512 u32 sw_if_index = ~0;
513 vnet_main_t *vnm = vnet_get_main ();
516 /* Get a line of input. */
517 if (!unformat_user (input, unformat_line_input, line_input))
518 return clib_error_return (0, "Missing <interface>");
520 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
522 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
524 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
528 return clib_error_return (0, "unknown input `%U'",
529 format_unformat_error, input);
531 unformat_free (line_input);
533 if (sw_if_index == ~0)
534 return clib_error_return (0,
535 "please specify interface name or sw_if_index");
537 rv = bond_delete_if (vm, sw_if_index);
538 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
539 return clib_error_return (0, "not a bond interface");
541 return clib_error_return (0, "error on deleting bond interface");
547 VLIB_CLI_COMMAND (bond_delete__command, static) =
549 .path = "delete bond",
550 .short_help = "delete bond {<interface> | sw_if_index <sw_idx>}",
551 .function = bond_delete_command_fn,
556 bond_enslave (vlib_main_t * vm, bond_enslave_args_t * args)
558 bond_main_t *bm = &bond_main;
559 vnet_main_t *vnm = vnet_get_main ();
562 vnet_interface_main_t *im = &vnm->interface_main;
563 vnet_hw_interface_t *bif_hw, *sif_hw;
564 vnet_sw_interface_t *sw;
568 bif = bond_get_master_by_sw_if_index (args->group);
571 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
572 args->error = clib_error_return (0, "bond interface not found");
575 // make sure the interface is not already enslaved
576 if (bond_get_slave_by_sw_if_index (args->slave))
578 args->rv = VNET_API_ERROR_VALUE_EXIST;
579 args->error = clib_error_return (0, "interface was already enslaved");
582 sif_hw = vnet_get_sup_hw_interface (vnm, args->slave);
583 if (sif_hw->dev_class_index == bond_dev_class.index)
585 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
587 clib_error_return (0, "bond interface cannot be enslaved");
590 if (bif->mode == BOND_MODE_LACP)
592 u8 *name = format (0, "/if/lacp/%u/%u/state", bif->sw_if_index,
595 vec_validate (bm->stats, bif->sw_if_index);
596 vec_validate (bm->stats[bif->sw_if_index], args->slave);
598 args->error = stat_segment_register_state_counter
599 (name, &bm->stats[bif->sw_if_index][args->slave]);
601 if (args->error != 0)
603 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
608 pool_get (bm->neighbors, sif);
609 clib_memset (sif, 0, sizeof (*sif));
610 sw = pool_elt_at_index (im->sw_interfaces, args->slave);
611 /* port_enabled is both admin up and hw link up */
612 sif->port_enabled = vnet_sw_interface_is_up (vnm, sw->sw_if_index);
613 sif->sw_if_index = sw->sw_if_index;
614 sif->hw_if_index = sw->hw_if_index;
615 sif->packet_template_index = (u8) ~ 0;
616 sif->is_passive = args->is_passive;
617 sif->group = args->group;
618 sif->bif_dev_instance = bif->dev_instance;
619 sif->mode = bif->mode;
621 sif->is_long_timeout = args->is_long_timeout;
622 if (args->is_long_timeout)
623 sif->ttl_in_seconds = LACP_LONG_TIMOUT_TIME;
625 sif->ttl_in_seconds = LACP_SHORT_TIMOUT_TIME;
627 vec_validate_aligned (bm->slave_by_sw_if_index, sif->sw_if_index,
628 CLIB_CACHE_LINE_BYTES);
630 * sif - bm->neighbors may be 0
631 * Left shift it by 1 bit to distinguish the valid entry that we actually
632 * store from the null entries
634 bm->slave_by_sw_if_index[sif->sw_if_index] =
635 (uword) (((sif - bm->neighbors) << 1) | 1);
636 vec_add1 (bif->slaves, sif->sw_if_index);
638 sif_hw = vnet_get_sup_hw_interface (vnm, sif->sw_if_index);
640 /* Save the old mac */
641 memcpy (sif->persistent_hw_address, sif_hw->hw_address, 6);
642 bif_hw = vnet_get_sup_hw_interface (vnm, bif->sw_if_index);
643 if (bif->use_custom_mac)
645 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
650 // bond interface gets the mac address from the first slave
651 if (vec_len (bif->slaves) == 1)
653 memcpy (bif->hw_address, sif_hw->hw_address, 6);
654 vnet_hw_interface_change_mac_address (vnm, bif_hw->hw_if_index,
659 // subsequent slaves gets the mac address of the bond interface
660 vnet_hw_interface_change_mac_address (vnm, sif_hw->hw_if_index,
665 if (bif_hw->l2_if_count)
667 ethernet_set_flags (vnm, sif_hw->hw_if_index,
668 ETHERNET_INTERFACE_FLAG_ACCEPT_ALL);
669 /* ensure all packets go to ethernet-input */
670 ethernet_set_rx_redirect (vnm, sif_hw, 1);
673 if (bif->mode == BOND_MODE_LACP)
675 if (bm->lacp_enable_disable)
676 (*bm->lacp_enable_disable) (vm, bif, sif, 1);
678 else if (sif->port_enabled)
680 bond_enable_collecting_distributing (vm, sif);
683 vec_foreach_index (thread_index, bm->per_thread_data)
685 bond_per_thread_data_t *ptd = vec_elt_at_index (bm->per_thread_data,
688 vec_validate_aligned (ptd->per_port_queue, vec_len (bif->slaves) - 1,
689 CLIB_CACHE_LINE_BYTES);
691 vec_foreach_index (sif_if_index, ptd->per_port_queue)
693 ptd->per_port_queue[sif_if_index].n_buffers = 0;
697 args->rv = vnet_feature_enable_disable ("device-input", "bond-input",
698 sif->sw_if_index, 1, 0, 0);
703 clib_error_return (0,
704 "Error encountered on input feature arc enable");
708 static clib_error_t *
709 enslave_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
710 vlib_cli_command_t * cmd)
712 bond_enslave_args_t args = { 0 };
713 unformat_input_t _line_input, *line_input = &_line_input;
714 vnet_main_t *vnm = vnet_get_main ();
716 /* Get a line of input. */
717 if (!unformat_user (input, unformat_line_input, line_input))
718 return clib_error_return (0, "Missing required arguments.");
722 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
724 if (unformat (line_input, "%U %U",
725 unformat_vnet_sw_interface, vnm, &args.group,
726 unformat_vnet_sw_interface, vnm, &args.slave))
728 else if (unformat (line_input, "passive"))
730 else if (unformat (line_input, "long-timeout"))
731 args.is_long_timeout = 1;
734 args.error = clib_error_return (0, "unknown input `%U'",
735 format_unformat_error, input);
739 unformat_free (line_input);
743 if (args.group == ~0)
744 return clib_error_return (0, "Missing bond interface");
745 if (args.slave == ~0)
746 return clib_error_return (0, "please specify valid slave interface name");
748 bond_enslave (vm, &args);
754 VLIB_CLI_COMMAND (enslave_interface_command, static) = {
756 .short_help = "bond add <BondEthernetx> <slave-interface> "
757 "[passive] [long-timeout]",
758 .function = enslave_interface_command_fn,
763 bond_detach_slave (vlib_main_t * vm, bond_detach_slave_args_t * args)
768 sif = bond_get_slave_by_sw_if_index (args->slave);
771 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
772 args->error = clib_error_return (0, "interface was not enslaved");
775 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
776 bond_delete_neighbor (vm, bif, sif);
779 static clib_error_t *
780 detach_interface_command_fn (vlib_main_t * vm, unformat_input_t * input,
781 vlib_cli_command_t * cmd)
783 bond_detach_slave_args_t args = { 0 };
784 unformat_input_t _line_input, *line_input = &_line_input;
785 vnet_main_t *vnm = vnet_get_main ();
787 /* Get a line of input. */
788 if (!unformat_user (input, unformat_line_input, line_input))
789 return clib_error_return (0, "Missing required arguments.");
792 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
794 if (unformat (line_input, "%U",
795 unformat_vnet_sw_interface, vnm, &args.slave))
799 args.error = clib_error_return (0, "unknown input `%U'",
800 format_unformat_error, input);
804 unformat_free (line_input);
808 if (args.slave == ~0)
809 return clib_error_return (0, "please specify valid slave interface name");
811 bond_detach_slave (vm, &args);
817 VLIB_CLI_COMMAND (detach_interface_command, static) = {
819 .short_help = "bond del <slave-interface>",
820 .function = detach_interface_command_fn,
825 show_bond (vlib_main_t * vm)
827 bond_main_t *bm = &bond_main;
830 vlib_cli_output (vm, "%-16s %-12s %-13s %-13s %-14s %s",
831 "interface name", "sw_if_index", "mode",
832 "load balance", "active slaves", "slaves");
835 pool_foreach (bif, bm->interfaces,
837 vlib_cli_output (vm, "%-16U %-12d %-13U %-13U %-14u %u",
838 format_bond_interface_name, bif->dev_instance,
839 bif->sw_if_index, format_bond_mode, bif->mode,
840 format_bond_load_balance, bif->lb,
841 vec_len (bif->active_slaves), vec_len (bif->slaves));
847 show_bond_details (vlib_main_t * vm)
849 bond_main_t *bm = &bond_main;
854 pool_foreach (bif, bm->interfaces,
856 vlib_cli_output (vm, "%U", format_bond_interface_name, bif->dev_instance);
857 vlib_cli_output (vm, " mode: %U",
858 format_bond_mode, bif->mode);
859 vlib_cli_output (vm, " load balance: %U",
860 format_bond_load_balance, bif->lb);
861 if (bif->mode == BOND_MODE_ROUND_ROBIN)
862 vlib_cli_output (vm, " last xmit slave index: %u",
863 bif->lb_rr_last_index);
864 vlib_cli_output (vm, " number of active slaves: %d",
865 vec_len (bif->active_slaves));
866 vec_foreach (sw_if_index, bif->active_slaves)
868 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name,
869 vnet_get_main (), *sw_if_index);
870 if (bif->mode == BOND_MODE_ACTIVE_BACKUP)
872 slave_if_t *sif = bond_get_slave_by_sw_if_index (*sw_if_index);
874 vlib_cli_output (vm, " weight: %u, is_local_numa: %u, "
875 "sw_if_index: %u", sif->weight,
876 sif->is_local_numa, sif->sw_if_index);
879 vlib_cli_output (vm, " number of slaves: %d", vec_len (bif->slaves));
880 vec_foreach (sw_if_index, bif->slaves)
882 vlib_cli_output (vm, " %U", format_vnet_sw_if_index_name,
883 vnet_get_main (), *sw_if_index);
885 vlib_cli_output (vm, " device instance: %d", bif->dev_instance);
886 vlib_cli_output (vm, " interface id: %d", bif->id);
887 vlib_cli_output (vm, " sw_if_index: %d", bif->sw_if_index);
888 vlib_cli_output (vm, " hw_if_index: %d", bif->hw_if_index);
893 static clib_error_t *
894 show_bond_fn (vlib_main_t * vm, unformat_input_t * input,
895 vlib_cli_command_t * cmd)
899 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
901 if (unformat (input, "details"))
905 return clib_error_return (0, "unknown input `%U'",
906 format_unformat_error, input);
911 show_bond_details (vm);
919 VLIB_CLI_COMMAND (show_bond_command, static) = {
921 .short_help = "show bond [details]",
922 .function = show_bond_fn,
927 bond_set_intf_weight (vlib_main_t * vm, bond_set_intf_weight_args_t * args)
934 sif = bond_get_slave_by_sw_if_index (args->sw_if_index);
937 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
938 args->error = clib_error_return (0, "Interface not enslaved");
941 bif = bond_get_master_by_dev_instance (sif->bif_dev_instance);
944 args->rv = VNET_API_ERROR_INVALID_INTERFACE;
945 args->error = clib_error_return (0, "bond interface not found");
948 if (bif->mode != BOND_MODE_ACTIVE_BACKUP)
950 args->rv = VNET_API_ERROR_INVALID_ARGUMENT;
952 clib_error_return (0, "Weight valid for active-backup only");
956 old_weight = sif->weight;
957 sif->weight = args->weight;
958 vnm = vnet_get_main ();
960 * No need to sort the list if the affected slave is not up (not in active
961 * slave set), active slave count is 1, or the current slave is already the
962 * primary slave and new weight > old weight.
964 if (!vnet_sw_interface_is_up (vnm, sif->sw_if_index) ||
965 (vec_len (bif->active_slaves) == 1) ||
966 ((bif->active_slaves[0] == sif->sw_if_index) &&
967 (sif->weight >= old_weight)))
970 bond_sort_slaves (bif);
973 static clib_error_t *
974 bond_set_intf_cmd (vlib_main_t * vm, unformat_input_t * input,
975 vlib_cli_command_t * cmd)
977 bond_set_intf_weight_args_t args = { 0 };
978 u32 sw_if_index = (u32) ~ 0;
979 unformat_input_t _line_input, *line_input = &_line_input;
980 vnet_main_t *vnm = vnet_get_main ();
984 /* Get a line of input. */
985 if (!unformat_user (input, unformat_line_input, line_input))
986 return clib_error_return (0, "Missing required arguments.");
988 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
990 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
992 else if (unformat (line_input, "%U", unformat_vnet_sw_interface, vnm,
995 else if (unformat (line_input, "weight %u", &weight))
999 clib_error_return (0, "unknown input `%U'", format_unformat_error,
1005 unformat_free (line_input);
1006 if (sw_if_index == (u32) ~ 0)
1008 args.rv = VNET_API_ERROR_INVALID_INTERFACE;
1009 clib_error_return (0, "Interface name is invalid!");
1011 if (weight_enter == 0)
1013 args.rv = VNET_API_ERROR_INVALID_ARGUMENT;
1014 clib_error_return (0, "weight missing");
1017 args.sw_if_index = sw_if_index;
1018 args.weight = weight;
1019 bond_set_intf_weight (vm, &args);
1025 VLIB_CLI_COMMAND(set_interface_bond_cmd, static) = {
1026 .path = "set interface bond",
1027 .short_help = "set interface bond <interface> | sw_if_index <idx>"
1029 .function = bond_set_intf_cmd,
1034 bond_cli_init (vlib_main_t * vm)
1036 bond_main_t *bm = &bond_main;
1039 bm->vnet_main = vnet_get_main ();
1040 vec_validate_aligned (bm->slave_by_sw_if_index, 1, CLIB_CACHE_LINE_BYTES);
1041 vec_validate_aligned (bm->per_thread_data,
1042 vlib_get_thread_main ()->n_vlib_mains - 1,
1043 CLIB_CACHE_LINE_BYTES);
1048 VLIB_INIT_FUNCTION (bond_cli_init);
1051 * fd.io coding-style-patch-verification: ON
1054 * eval: (c-set-style "gnu")