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37 #include <rte_malloc.h>
38 #include <rte_ethdev.h>
41 #include "rte_eth_bond.h"
42 #include "rte_eth_bond_private.h"
43 #include "rte_eth_bond_8023ad_private.h"
45 #define DEFAULT_POLLING_INTERVAL_10_MS (10)
47 const char pmd_bond_driver_name[] = "rte_bond_pmd";
50 check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev)
52 /* Check valid pointer */
53 if (eth_dev->data->drv_name == NULL)
56 /* return 0 if driver name matches */
57 return eth_dev->data->drv_name != pmd_bond_driver_name;
61 valid_bonded_port_id(uint8_t port_id)
63 if (!rte_eth_dev_is_valid_port(port_id))
66 return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
70 valid_slave_port_id(uint8_t port_id)
72 /* Verify that port id's are valid */
73 if (!rte_eth_dev_is_valid_port(port_id))
76 /* Verify that port_id refers to a non bonded port */
77 if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0)
84 activate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
86 struct bond_dev_private *internals = eth_dev->data->dev_private;
87 uint8_t active_count = internals->active_slave_count;
89 if (internals->mode == BONDING_MODE_8023AD)
90 bond_mode_8023ad_activate_slave(eth_dev, port_id);
92 if (internals->mode == BONDING_MODE_TLB
93 || internals->mode == BONDING_MODE_ALB) {
95 internals->tlb_slaves_order[active_count] = port_id;
98 RTE_VERIFY(internals->active_slave_count <
99 (RTE_DIM(internals->active_slaves) - 1));
101 internals->active_slaves[internals->active_slave_count] = port_id;
102 internals->active_slave_count++;
104 if (internals->mode == BONDING_MODE_TLB)
105 bond_tlb_activate_slave(internals);
106 if (internals->mode == BONDING_MODE_ALB)
107 bond_mode_alb_client_list_upd(eth_dev);
111 deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
114 struct bond_dev_private *internals = eth_dev->data->dev_private;
115 uint8_t active_count = internals->active_slave_count;
117 if (internals->mode == BONDING_MODE_8023AD) {
118 bond_mode_8023ad_stop(eth_dev);
119 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
120 } else if (internals->mode == BONDING_MODE_TLB
121 || internals->mode == BONDING_MODE_ALB)
122 bond_tlb_disable(internals);
124 slave_pos = find_slave_by_id(internals->active_slaves, active_count,
127 /* If slave was not at the end of the list
128 * shift active slaves up active array list */
129 if (slave_pos < active_count) {
131 memmove(internals->active_slaves + slave_pos,
132 internals->active_slaves + slave_pos + 1,
133 (active_count - slave_pos) *
134 sizeof(internals->active_slaves[0]));
137 RTE_VERIFY(active_count < RTE_DIM(internals->active_slaves));
138 internals->active_slave_count = active_count;
140 if (eth_dev->data->dev_started) {
141 if (internals->mode == BONDING_MODE_8023AD) {
142 bond_mode_8023ad_start(eth_dev);
143 } else if (internals->mode == BONDING_MODE_TLB) {
144 bond_tlb_enable(internals);
145 } else if (internals->mode == BONDING_MODE_ALB) {
146 bond_tlb_enable(internals);
147 bond_mode_alb_client_list_upd(eth_dev);
153 number_of_sockets(void)
157 const struct rte_memseg *ms = rte_eal_get_physmem_layout();
159 for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
160 if (sockets < ms[i].socket_id)
161 sockets = ms[i].socket_id;
164 /* Number of sockets = maximum socket_id + 1 */
169 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
171 struct bond_dev_private *internals = NULL;
172 struct rte_eth_dev *eth_dev = NULL;
174 /* now do all data allocation - for eth_dev structure, dummy pci driver
175 * and internal (private) data
179 RTE_BOND_LOG(ERR, "Invalid name specified");
183 if (socket_id >= number_of_sockets()) {
185 "Invalid socket id specified to create bonded device on.");
189 internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
190 if (internals == NULL) {
191 RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
195 /* reserve an ethdev entry */
196 eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
197 if (eth_dev == NULL) {
198 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
202 eth_dev->data->dev_private = internals;
203 eth_dev->data->nb_rx_queues = (uint16_t)1;
204 eth_dev->data->nb_tx_queues = (uint16_t)1;
206 TAILQ_INIT(&(eth_dev->link_intr_cbs));
208 eth_dev->data->dev_link.link_status = 0;
210 eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
212 if (eth_dev->data->mac_addrs == NULL) {
213 RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
217 eth_dev->data->dev_started = 0;
218 eth_dev->data->promiscuous = 0;
219 eth_dev->data->scattered_rx = 0;
220 eth_dev->data->all_multicast = 0;
222 eth_dev->dev_ops = &default_dev_ops;
223 eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
224 RTE_ETH_DEV_DETACHABLE;
225 eth_dev->driver = NULL;
226 eth_dev->data->kdrv = RTE_KDRV_NONE;
227 eth_dev->data->drv_name = pmd_bond_driver_name;
228 eth_dev->data->numa_node = socket_id;
230 rte_spinlock_init(&internals->lock);
232 internals->port_id = eth_dev->data->port_id;
233 internals->mode = BONDING_MODE_INVALID;
234 internals->current_primary_port = 0;
235 internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
236 internals->xmit_hash = xmit_l2_hash;
237 internals->user_defined_mac = 0;
238 internals->link_props_set = 0;
240 internals->link_status_polling_enabled = 0;
242 internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
243 internals->link_down_delay_ms = 0;
244 internals->link_up_delay_ms = 0;
246 internals->slave_count = 0;
247 internals->active_slave_count = 0;
248 internals->rx_offload_capa = 0;
249 internals->tx_offload_capa = 0;
251 /* Initially allow to choose any offload type */
252 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
254 memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
255 memset(internals->slaves, 0, sizeof(internals->slaves));
257 /* Set mode 4 default configuration */
258 bond_mode_8023ad_setup(eth_dev, NULL);
259 if (bond_ethdev_mode_set(eth_dev, mode)) {
260 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
261 eth_dev->data->port_id, mode);
265 return eth_dev->data->port_id;
269 if (eth_dev != NULL) {
270 rte_free(eth_dev->data->mac_addrs);
271 rte_eth_dev_release_port(eth_dev);
277 rte_eth_bond_free(const char *name)
279 struct rte_eth_dev *eth_dev = NULL;
281 /* now free all data allocation - for eth_dev structure,
282 * dummy pci driver and internal (private) data
285 /* find an ethdev entry */
286 eth_dev = rte_eth_dev_allocated(name);
290 if (eth_dev->data->dev_started == 1) {
291 bond_ethdev_stop(eth_dev);
292 bond_ethdev_close(eth_dev);
295 eth_dev->dev_ops = NULL;
296 eth_dev->rx_pkt_burst = NULL;
297 eth_dev->tx_pkt_burst = NULL;
299 rte_free(eth_dev->data->dev_private);
300 rte_free(eth_dev->data->mac_addrs);
302 rte_eth_dev_release_port(eth_dev);
308 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
310 struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
311 struct bond_dev_private *internals;
312 struct bond_dev_private *temp_internals;
313 struct rte_eth_link link_props;
314 struct rte_eth_dev_info dev_info;
318 if (valid_slave_port_id(slave_port_id) != 0)
321 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
322 internals = bonded_eth_dev->data->dev_private;
324 /* Verify that new slave device is not already a slave of another
326 for (i = rte_eth_dev_count()-1; i >= 0; i--) {
327 if (check_for_bonded_ethdev(&rte_eth_devices[i]) == 0) {
328 temp_internals = rte_eth_devices[i].data->dev_private;
330 for (j = 0; j < temp_internals->slave_count; j++) {
331 /* Device already a slave of a bonded device */
332 if (temp_internals->slaves[j].port_id == slave_port_id) {
333 RTE_BOND_LOG(ERR, "Slave port %d is already a slave",
341 slave_eth_dev = &rte_eth_devices[slave_port_id];
343 /* Add slave details to bonded device */
344 slave_add(internals, slave_eth_dev);
346 rte_eth_dev_info_get(slave_port_id, &dev_info);
348 /* We need to store slaves reta_size to be able to synchronize RETA for all
349 * slave devices even if its sizes are different.
351 internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
353 if (internals->slave_count < 1) {
354 /* if MAC is not user defined then use MAC of first slave add to
356 if (!internals->user_defined_mac)
357 mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
359 /* Inherit eth dev link properties from first slave */
360 link_properties_set(bonded_eth_dev,
361 &(slave_eth_dev->data->dev_link));
363 /* Make primary slave */
364 internals->primary_port = slave_port_id;
366 /* Inherit queues settings from first slave */
367 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
368 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
370 internals->reta_size = dev_info.reta_size;
372 /* Take the first dev's offload capabilities */
373 internals->rx_offload_capa = dev_info.rx_offload_capa;
374 internals->tx_offload_capa = dev_info.tx_offload_capa;
375 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
378 /* Check slave link properties are supported if props are set,
379 * all slaves must be the same */
380 if (internals->link_props_set) {
381 if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
382 &(slave_eth_dev->data->dev_link))) {
384 "Slave port %d link speed/duplex not supported",
389 link_properties_set(bonded_eth_dev,
390 &(slave_eth_dev->data->dev_link));
392 internals->rx_offload_capa &= dev_info.rx_offload_capa;
393 internals->tx_offload_capa &= dev_info.tx_offload_capa;
394 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
396 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
397 * the power of 2, the lower one is GCD
399 if (internals->reta_size > dev_info.reta_size)
400 internals->reta_size = dev_info.reta_size;
404 bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
405 internals->flow_type_rss_offloads;
407 internals->slave_count++;
409 /* Update all slave devices MACs*/
410 mac_address_slaves_update(bonded_eth_dev);
412 if (bonded_eth_dev->data->dev_started) {
413 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
414 RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
420 /* Register link status change callback with bonded device pointer as
422 rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
423 bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
425 /* If bonded device is started then we can add the slave to our active
427 if (bonded_eth_dev->data->dev_started) {
428 rte_eth_link_get_nowait(slave_port_id, &link_props);
430 if (link_props.link_status == 1)
431 activate_slave(bonded_eth_dev, slave_port_id);
438 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
440 struct rte_eth_dev *bonded_eth_dev;
441 struct bond_dev_private *internals;
445 /* Verify that port id's are valid bonded and slave ports */
446 if (valid_bonded_port_id(bonded_port_id) != 0)
449 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
450 internals = bonded_eth_dev->data->dev_private;
452 rte_spinlock_lock(&internals->lock);
454 retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
456 rte_spinlock_unlock(&internals->lock);
462 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
464 struct rte_eth_dev *bonded_eth_dev;
465 struct bond_dev_private *internals;
469 if (valid_slave_port_id(slave_port_id) != 0)
472 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
473 internals = bonded_eth_dev->data->dev_private;
475 /* first remove from active slave list */
476 slave_idx = find_slave_by_id(internals->active_slaves,
477 internals->active_slave_count, slave_port_id);
479 if (slave_idx < internals->active_slave_count)
480 deactivate_slave(bonded_eth_dev, slave_port_id);
483 /* now find in slave list */
484 for (i = 0; i < internals->slave_count; i++)
485 if (internals->slaves[i].port_id == slave_port_id) {
491 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
492 internals->slave_count);
496 /* Un-register link status change callback with bonded device pointer as
498 rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
499 bond_ethdev_lsc_event_callback,
500 &rte_eth_devices[bonded_port_id].data->port_id);
502 /* Restore original MAC address of slave device */
503 mac_address_set(&rte_eth_devices[slave_port_id],
504 &(internals->slaves[slave_idx].persisted_mac_addr));
506 slave_remove(internals, &rte_eth_devices[slave_port_id]);
508 /* first slave in the active list will be the primary by default,
509 * otherwise use first device in list */
510 if (internals->current_primary_port == slave_port_id) {
511 if (internals->active_slave_count > 0)
512 internals->current_primary_port = internals->active_slaves[0];
513 else if (internals->slave_count > 0)
514 internals->current_primary_port = internals->slaves[0].port_id;
516 internals->primary_port = 0;
519 if (internals->active_slave_count < 1) {
520 /* reset device link properties as no slaves are active */
521 link_properties_reset(&rte_eth_devices[bonded_port_id]);
523 /* if no slaves are any longer attached to bonded device and MAC is not
524 * user defined then clear MAC of bonded device as it will be reset
525 * when a new slave is added */
526 if (internals->slave_count < 1 && !internals->user_defined_mac)
527 memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
528 sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
530 if (internals->slave_count == 0) {
531 internals->rx_offload_capa = 0;
532 internals->tx_offload_capa = 0;
533 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
534 internals->reta_size = 0;
540 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
542 struct rte_eth_dev *bonded_eth_dev;
543 struct bond_dev_private *internals;
546 if (valid_bonded_port_id(bonded_port_id) != 0)
549 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
550 internals = bonded_eth_dev->data->dev_private;
552 rte_spinlock_lock(&internals->lock);
554 retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
556 rte_spinlock_unlock(&internals->lock);
562 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
564 if (valid_bonded_port_id(bonded_port_id) != 0)
567 return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
571 rte_eth_bond_mode_get(uint8_t bonded_port_id)
573 struct bond_dev_private *internals;
575 if (valid_bonded_port_id(bonded_port_id) != 0)
578 internals = rte_eth_devices[bonded_port_id].data->dev_private;
580 return internals->mode;
584 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
586 struct bond_dev_private *internals;
588 if (valid_bonded_port_id(bonded_port_id) != 0)
591 if (valid_slave_port_id(slave_port_id) != 0)
594 internals = rte_eth_devices[bonded_port_id].data->dev_private;
596 internals->user_defined_primary_port = 1;
597 internals->primary_port = slave_port_id;
599 bond_ethdev_primary_set(internals, slave_port_id);
605 rte_eth_bond_primary_get(uint8_t bonded_port_id)
607 struct bond_dev_private *internals;
609 if (valid_bonded_port_id(bonded_port_id) != 0)
612 internals = rte_eth_devices[bonded_port_id].data->dev_private;
614 if (internals->slave_count < 1)
617 return internals->current_primary_port;
621 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
623 struct bond_dev_private *internals;
626 if (valid_bonded_port_id(bonded_port_id) != 0)
632 internals = rte_eth_devices[bonded_port_id].data->dev_private;
634 if (internals->slave_count > len)
637 for (i = 0; i < internals->slave_count; i++)
638 slaves[i] = internals->slaves[i].port_id;
640 return internals->slave_count;
644 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
647 struct bond_dev_private *internals;
649 if (valid_bonded_port_id(bonded_port_id) != 0)
655 internals = rte_eth_devices[bonded_port_id].data->dev_private;
657 if (internals->active_slave_count > len)
660 memcpy(slaves, internals->active_slaves, internals->active_slave_count);
662 return internals->active_slave_count;
666 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
667 struct ether_addr *mac_addr)
669 struct rte_eth_dev *bonded_eth_dev;
670 struct bond_dev_private *internals;
672 if (valid_bonded_port_id(bonded_port_id) != 0)
675 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
676 internals = bonded_eth_dev->data->dev_private;
678 /* Set MAC Address of Bonded Device */
679 if (mac_address_set(bonded_eth_dev, mac_addr))
682 internals->user_defined_mac = 1;
684 /* Update all slave devices MACs*/
685 if (internals->slave_count > 0)
686 return mac_address_slaves_update(bonded_eth_dev);
692 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
694 struct rte_eth_dev *bonded_eth_dev;
695 struct bond_dev_private *internals;
697 if (valid_bonded_port_id(bonded_port_id) != 0)
700 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
701 internals = bonded_eth_dev->data->dev_private;
703 internals->user_defined_mac = 0;
705 if (internals->slave_count > 0) {
706 /* Set MAC Address of Bonded Device */
707 if (mac_address_set(bonded_eth_dev,
708 &internals->slaves[internals->primary_port].persisted_mac_addr)
710 RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
713 /* Update all slave devices MAC addresses */
714 return mac_address_slaves_update(bonded_eth_dev);
716 /* No need to update anything as no slaves present */
721 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
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;
731 case BALANCE_XMIT_POLICY_LAYER2:
732 internals->balance_xmit_policy = policy;
733 internals->xmit_hash = xmit_l2_hash;
735 case BALANCE_XMIT_POLICY_LAYER23:
736 internals->balance_xmit_policy = policy;
737 internals->xmit_hash = xmit_l23_hash;
739 case BALANCE_XMIT_POLICY_LAYER34:
740 internals->balance_xmit_policy = policy;
741 internals->xmit_hash = xmit_l34_hash;
751 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
753 struct bond_dev_private *internals;
755 if (valid_bonded_port_id(bonded_port_id) != 0)
758 internals = rte_eth_devices[bonded_port_id].data->dev_private;
760 return internals->balance_xmit_policy;
764 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
766 struct bond_dev_private *internals;
768 if (valid_bonded_port_id(bonded_port_id) != 0)
771 internals = rte_eth_devices[bonded_port_id].data->dev_private;
772 internals->link_status_polling_interval_ms = internal_ms;
778 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
780 struct bond_dev_private *internals;
782 if (valid_bonded_port_id(bonded_port_id) != 0)
785 internals = rte_eth_devices[bonded_port_id].data->dev_private;
787 return internals->link_status_polling_interval_ms;
791 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
794 struct bond_dev_private *internals;
796 if (valid_bonded_port_id(bonded_port_id) != 0)
799 internals = rte_eth_devices[bonded_port_id].data->dev_private;
800 internals->link_down_delay_ms = delay_ms;
806 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
808 struct bond_dev_private *internals;
810 if (valid_bonded_port_id(bonded_port_id) != 0)
813 internals = rte_eth_devices[bonded_port_id].data->dev_private;
815 return internals->link_down_delay_ms;
819 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
822 struct bond_dev_private *internals;
824 if (valid_bonded_port_id(bonded_port_id) != 0)
827 internals = rte_eth_devices[bonded_port_id].data->dev_private;
828 internals->link_up_delay_ms = delay_ms;
834 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
836 struct bond_dev_private *internals;
838 if (valid_bonded_port_id(bonded_port_id) != 0)
841 internals = rte_eth_devices[bonded_port_id].data->dev_private;
843 return internals->link_up_delay_ms;