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37 #include <rte_malloc.h>
38 #include <rte_ethdev.h>
41 #include <rte_kvargs.h>
43 #include "rte_eth_bond.h"
44 #include "rte_eth_bond_private.h"
45 #include "rte_eth_bond_8023ad_private.h"
48 check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev)
50 /* Check valid pointer */
51 if (eth_dev->device->driver->name == NULL)
54 /* return 0 if driver name matches */
55 return eth_dev->device->driver->name != pmd_bond_drv.driver.name;
59 valid_bonded_port_id(uint8_t port_id)
61 RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
62 return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
66 valid_slave_port_id(uint8_t port_id, uint8_t mode)
68 RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
70 /* Verify that port_id refers to a non bonded port */
71 if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0 &&
72 mode == BONDING_MODE_8023AD) {
73 RTE_BOND_LOG(ERR, "Cannot add slave to bonded device in 802.3ad"
74 " mode as slave is also a bonded device, only "
75 "physical devices can be support in this mode.");
83 activate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
85 struct bond_dev_private *internals = eth_dev->data->dev_private;
86 uint8_t active_count = internals->active_slave_count;
88 if (internals->mode == BONDING_MODE_8023AD)
89 bond_mode_8023ad_activate_slave(eth_dev, port_id);
91 if (internals->mode == BONDING_MODE_TLB
92 || internals->mode == BONDING_MODE_ALB) {
94 internals->tlb_slaves_order[active_count] = port_id;
97 RTE_ASSERT(internals->active_slave_count <
98 (RTE_DIM(internals->active_slaves) - 1));
100 internals->active_slaves[internals->active_slave_count] = port_id;
101 internals->active_slave_count++;
103 if (internals->mode == BONDING_MODE_TLB)
104 bond_tlb_activate_slave(internals);
105 if (internals->mode == BONDING_MODE_ALB)
106 bond_mode_alb_client_list_upd(eth_dev);
110 deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
113 struct bond_dev_private *internals = eth_dev->data->dev_private;
114 uint8_t active_count = internals->active_slave_count;
116 if (internals->mode == BONDING_MODE_8023AD) {
117 bond_mode_8023ad_stop(eth_dev);
118 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
119 } else if (internals->mode == BONDING_MODE_TLB
120 || internals->mode == BONDING_MODE_ALB)
121 bond_tlb_disable(internals);
123 slave_pos = find_slave_by_id(internals->active_slaves, active_count,
126 /* If slave was not at the end of the list
127 * shift active slaves up active array list */
128 if (slave_pos < active_count) {
130 memmove(internals->active_slaves + slave_pos,
131 internals->active_slaves + slave_pos + 1,
132 (active_count - slave_pos) *
133 sizeof(internals->active_slaves[0]));
136 RTE_ASSERT(active_count < RTE_DIM(internals->active_slaves));
137 internals->active_slave_count = active_count;
139 if (eth_dev->data->dev_started) {
140 if (internals->mode == BONDING_MODE_8023AD) {
141 bond_mode_8023ad_start(eth_dev);
142 } else if (internals->mode == BONDING_MODE_TLB) {
143 bond_tlb_enable(internals);
144 } else if (internals->mode == BONDING_MODE_ALB) {
145 bond_tlb_enable(internals);
146 bond_mode_alb_client_list_upd(eth_dev);
152 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
154 struct bond_dev_private *internals;
160 RTE_BOND_LOG(ERR, "Invalid name specified");
164 ret = snprintf(devargs, sizeof(devargs),
165 "driver=net_bonding,mode=%d,socket_id=%d", mode, socket_id);
166 if (ret < 0 || ret >= (int)sizeof(devargs))
169 ret = rte_vdev_init(name, devargs);
173 ret = rte_eth_dev_get_port_by_name(name, &port_id);
177 * To make bond_ethdev_configure() happy we need to free the
178 * internals->kvlist here.
180 * Also see comment in bond_ethdev_configure().
182 internals = rte_eth_devices[port_id].data->dev_private;
183 rte_kvargs_free(internals->kvlist);
184 internals->kvlist = NULL;
190 rte_eth_bond_free(const char *name)
192 return rte_vdev_uninit(name);
196 slave_vlan_filter_set(uint8_t bonded_port_id, uint8_t slave_port_id)
198 struct rte_eth_dev *bonded_eth_dev;
199 struct bond_dev_private *internals;
206 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
207 if (bonded_eth_dev->data->dev_conf.rxmode.hw_vlan_filter == 0)
210 internals = bonded_eth_dev->data->dev_private;
211 found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
221 for (i = 0, mask = 1;
222 i < RTE_BITMAP_SLAB_BIT_SIZE;
224 if (unlikely(slab & mask))
225 res = rte_eth_dev_vlan_filter(slave_port_id,
228 found = rte_bitmap_scan(internals->vlan_filter_bmp,
230 } while (found && first != pos && res == 0);
236 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
238 struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
239 struct bond_dev_private *internals;
240 struct rte_eth_link link_props;
241 struct rte_eth_dev_info dev_info;
243 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
244 internals = bonded_eth_dev->data->dev_private;
246 if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
249 slave_eth_dev = &rte_eth_devices[slave_port_id];
250 if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
251 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
255 /* Add slave details to bonded device */
256 slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
258 rte_eth_dev_info_get(slave_port_id, &dev_info);
259 if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
260 RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
265 slave_add(internals, slave_eth_dev);
267 /* We need to store slaves reta_size to be able to synchronize RETA for all
268 * slave devices even if its sizes are different.
270 internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
272 if (internals->slave_count < 1) {
273 /* if MAC is not user defined then use MAC of first slave add to
275 if (!internals->user_defined_mac)
276 mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
278 /* Inherit eth dev link properties from first slave */
279 link_properties_set(bonded_eth_dev,
280 &(slave_eth_dev->data->dev_link));
282 /* Make primary slave */
283 internals->primary_port = slave_port_id;
284 internals->current_primary_port = slave_port_id;
286 /* Inherit queues settings from first slave */
287 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
288 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
290 internals->reta_size = dev_info.reta_size;
292 /* Take the first dev's offload capabilities */
293 internals->rx_offload_capa = dev_info.rx_offload_capa;
294 internals->tx_offload_capa = dev_info.tx_offload_capa;
295 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
297 /* Inherit first slave's max rx packet size */
298 internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
301 internals->rx_offload_capa &= dev_info.rx_offload_capa;
302 internals->tx_offload_capa &= dev_info.tx_offload_capa;
303 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
305 link_properties_valid(bonded_eth_dev,
306 &slave_eth_dev->data->dev_link);
308 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
309 * the power of 2, the lower one is GCD
311 if (internals->reta_size > dev_info.reta_size)
312 internals->reta_size = dev_info.reta_size;
314 if (!internals->max_rx_pktlen &&
315 dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
316 internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
319 bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
320 internals->flow_type_rss_offloads;
322 internals->slave_count++;
324 /* Update all slave devices MACs*/
325 mac_address_slaves_update(bonded_eth_dev);
327 if (bonded_eth_dev->data->dev_started) {
328 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
329 slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
330 RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
336 /* Register link status change callback with bonded device pointer as
338 rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
339 bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
341 /* If bonded device is started then we can add the slave to our active
343 if (bonded_eth_dev->data->dev_started) {
344 rte_eth_link_get_nowait(slave_port_id, &link_props);
346 if (link_props.link_status == ETH_LINK_UP) {
347 if (internals->active_slave_count == 0 &&
348 !internals->user_defined_primary_port)
349 bond_ethdev_primary_set(internals,
352 if (find_slave_by_id(internals->active_slaves,
353 internals->active_slave_count,
354 slave_port_id) == internals->active_slave_count)
355 activate_slave(bonded_eth_dev, slave_port_id);
359 slave_vlan_filter_set(bonded_port_id, slave_port_id);
366 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
368 struct rte_eth_dev *bonded_eth_dev;
369 struct bond_dev_private *internals;
373 /* Verify that port id's are valid bonded and slave ports */
374 if (valid_bonded_port_id(bonded_port_id) != 0)
377 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
378 internals = bonded_eth_dev->data->dev_private;
380 rte_spinlock_lock(&internals->lock);
382 retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
384 rte_spinlock_unlock(&internals->lock);
390 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
392 struct rte_eth_dev *bonded_eth_dev;
393 struct bond_dev_private *internals;
394 struct rte_eth_dev *slave_eth_dev;
397 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
398 internals = bonded_eth_dev->data->dev_private;
400 if (valid_slave_port_id(slave_port_id, internals->mode) < 0)
403 /* first remove from active slave list */
404 slave_idx = find_slave_by_id(internals->active_slaves,
405 internals->active_slave_count, slave_port_id);
407 if (slave_idx < internals->active_slave_count)
408 deactivate_slave(bonded_eth_dev, slave_port_id);
411 /* now find in slave list */
412 for (i = 0; i < internals->slave_count; i++)
413 if (internals->slaves[i].port_id == slave_port_id) {
419 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
420 internals->slave_count);
424 /* Un-register link status change callback with bonded device pointer as
426 rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
427 bond_ethdev_lsc_event_callback,
428 &rte_eth_devices[bonded_port_id].data->port_id);
430 /* Restore original MAC address of slave device */
431 mac_address_set(&rte_eth_devices[slave_port_id],
432 &(internals->slaves[slave_idx].persisted_mac_addr));
434 slave_eth_dev = &rte_eth_devices[slave_port_id];
435 slave_remove(internals, slave_eth_dev);
436 slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
438 /* first slave in the active list will be the primary by default,
439 * otherwise use first device in list */
440 if (internals->current_primary_port == slave_port_id) {
441 if (internals->active_slave_count > 0)
442 internals->current_primary_port = internals->active_slaves[0];
443 else if (internals->slave_count > 0)
444 internals->current_primary_port = internals->slaves[0].port_id;
446 internals->primary_port = 0;
449 if (internals->active_slave_count < 1) {
450 /* if no slaves are any longer attached to bonded device and MAC is not
451 * user defined then clear MAC of bonded device as it will be reset
452 * when a new slave is added */
453 if (internals->slave_count < 1 && !internals->user_defined_mac)
454 memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
455 sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
457 if (internals->slave_count == 0) {
458 internals->rx_offload_capa = 0;
459 internals->tx_offload_capa = 0;
460 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
461 internals->reta_size = 0;
462 internals->candidate_max_rx_pktlen = 0;
463 internals->max_rx_pktlen = 0;
469 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
471 struct rte_eth_dev *bonded_eth_dev;
472 struct bond_dev_private *internals;
475 if (valid_bonded_port_id(bonded_port_id) != 0)
478 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
479 internals = bonded_eth_dev->data->dev_private;
481 rte_spinlock_lock(&internals->lock);
483 retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
485 rte_spinlock_unlock(&internals->lock);
491 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
493 if (valid_bonded_port_id(bonded_port_id) != 0)
496 return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
500 rte_eth_bond_mode_get(uint8_t bonded_port_id)
502 struct bond_dev_private *internals;
504 if (valid_bonded_port_id(bonded_port_id) != 0)
507 internals = rte_eth_devices[bonded_port_id].data->dev_private;
509 return internals->mode;
513 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
515 struct bond_dev_private *internals;
517 if (valid_bonded_port_id(bonded_port_id) != 0)
520 internals = rte_eth_devices[bonded_port_id].data->dev_private;
522 if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
525 internals->user_defined_primary_port = 1;
526 internals->primary_port = slave_port_id;
528 bond_ethdev_primary_set(internals, slave_port_id);
534 rte_eth_bond_primary_get(uint8_t bonded_port_id)
536 struct bond_dev_private *internals;
538 if (valid_bonded_port_id(bonded_port_id) != 0)
541 internals = rte_eth_devices[bonded_port_id].data->dev_private;
543 if (internals->slave_count < 1)
546 return internals->current_primary_port;
550 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
552 struct bond_dev_private *internals;
555 if (valid_bonded_port_id(bonded_port_id) != 0)
561 internals = rte_eth_devices[bonded_port_id].data->dev_private;
563 if (internals->slave_count > len)
566 for (i = 0; i < internals->slave_count; i++)
567 slaves[i] = internals->slaves[i].port_id;
569 return internals->slave_count;
573 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
576 struct bond_dev_private *internals;
578 if (valid_bonded_port_id(bonded_port_id) != 0)
584 internals = rte_eth_devices[bonded_port_id].data->dev_private;
586 if (internals->active_slave_count > len)
589 memcpy(slaves, internals->active_slaves, internals->active_slave_count);
591 return internals->active_slave_count;
595 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
596 struct ether_addr *mac_addr)
598 struct rte_eth_dev *bonded_eth_dev;
599 struct bond_dev_private *internals;
601 if (valid_bonded_port_id(bonded_port_id) != 0)
604 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
605 internals = bonded_eth_dev->data->dev_private;
607 /* Set MAC Address of Bonded Device */
608 if (mac_address_set(bonded_eth_dev, mac_addr))
611 internals->user_defined_mac = 1;
613 /* Update all slave devices MACs*/
614 if (internals->slave_count > 0)
615 return mac_address_slaves_update(bonded_eth_dev);
621 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
623 struct rte_eth_dev *bonded_eth_dev;
624 struct bond_dev_private *internals;
626 if (valid_bonded_port_id(bonded_port_id) != 0)
629 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
630 internals = bonded_eth_dev->data->dev_private;
632 internals->user_defined_mac = 0;
634 if (internals->slave_count > 0) {
635 /* Set MAC Address of Bonded Device */
636 if (mac_address_set(bonded_eth_dev,
637 &internals->slaves[internals->primary_port].persisted_mac_addr)
639 RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
642 /* Update all slave devices MAC addresses */
643 return mac_address_slaves_update(bonded_eth_dev);
645 /* No need to update anything as no slaves present */
650 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
652 struct bond_dev_private *internals;
654 if (valid_bonded_port_id(bonded_port_id) != 0)
657 internals = rte_eth_devices[bonded_port_id].data->dev_private;
660 case BALANCE_XMIT_POLICY_LAYER2:
661 internals->balance_xmit_policy = policy;
662 internals->xmit_hash = xmit_l2_hash;
664 case BALANCE_XMIT_POLICY_LAYER23:
665 internals->balance_xmit_policy = policy;
666 internals->xmit_hash = xmit_l23_hash;
668 case BALANCE_XMIT_POLICY_LAYER34:
669 internals->balance_xmit_policy = policy;
670 internals->xmit_hash = xmit_l34_hash;
680 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
682 struct bond_dev_private *internals;
684 if (valid_bonded_port_id(bonded_port_id) != 0)
687 internals = rte_eth_devices[bonded_port_id].data->dev_private;
689 return internals->balance_xmit_policy;
693 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
695 struct bond_dev_private *internals;
697 if (valid_bonded_port_id(bonded_port_id) != 0)
700 internals = rte_eth_devices[bonded_port_id].data->dev_private;
701 internals->link_status_polling_interval_ms = internal_ms;
707 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
709 struct bond_dev_private *internals;
711 if (valid_bonded_port_id(bonded_port_id) != 0)
714 internals = rte_eth_devices[bonded_port_id].data->dev_private;
716 return internals->link_status_polling_interval_ms;
720 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
723 struct bond_dev_private *internals;
725 if (valid_bonded_port_id(bonded_port_id) != 0)
728 internals = rte_eth_devices[bonded_port_id].data->dev_private;
729 internals->link_down_delay_ms = delay_ms;
735 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
737 struct bond_dev_private *internals;
739 if (valid_bonded_port_id(bonded_port_id) != 0)
742 internals = rte_eth_devices[bonded_port_id].data->dev_private;
744 return internals->link_down_delay_ms;
748 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
751 struct bond_dev_private *internals;
753 if (valid_bonded_port_id(bonded_port_id) != 0)
756 internals = rte_eth_devices[bonded_port_id].data->dev_private;
757 internals->link_up_delay_ms = delay_ms;
763 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
765 struct bond_dev_private *internals;
767 if (valid_bonded_port_id(bonded_port_id) != 0)
770 internals = rte_eth_devices[bonded_port_id].data->dev_private;
772 return internals->link_up_delay_ms;