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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)
48 valid_bonded_ethdev(const struct rte_eth_dev *eth_dev)
50 /* Check valid pointer */
51 if (eth_dev->driver->pci_drv.name == NULL)
54 /* return 0 if driver name matches */
55 return eth_dev->driver->pci_drv.name != pmd_bond_driver_name;
59 valid_bonded_port_id(uint8_t port_id)
61 if (!rte_eth_dev_is_valid_port(port_id))
64 return valid_bonded_ethdev(&rte_eth_devices[port_id]);
68 valid_slave_port_id(uint8_t port_id)
70 /* Verify that port id's are valid */
71 if (!rte_eth_dev_is_valid_port(port_id))
74 /* Verify that port_id refers to a non bonded port */
75 if (!valid_bonded_ethdev(&rte_eth_devices[port_id]))
82 activate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
84 struct bond_dev_private *internals = eth_dev->data->dev_private;
85 uint8_t active_count = internals->active_slave_count;
87 if (internals->mode == BONDING_MODE_8023AD)
88 bond_mode_8023ad_activate_slave(eth_dev, port_id);
90 if (internals->mode == BONDING_MODE_TLB
91 || internals->mode == BONDING_MODE_ALB) {
93 internals->tlb_slaves_order[active_count] = port_id;
96 RTE_VERIFY(internals->active_slave_count <
97 (RTE_DIM(internals->active_slaves) - 1));
99 internals->active_slaves[internals->active_slave_count] = port_id;
100 internals->active_slave_count++;
102 if (internals->mode == BONDING_MODE_TLB)
103 bond_tlb_activate_slave(internals);
104 if (internals->mode == BONDING_MODE_ALB)
105 bond_mode_alb_client_list_upd(eth_dev);
109 deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
112 struct bond_dev_private *internals = eth_dev->data->dev_private;
113 uint8_t active_count = internals->active_slave_count;
115 if (internals->mode == BONDING_MODE_8023AD) {
116 bond_mode_8023ad_stop(eth_dev);
117 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
118 } else if (internals->mode == BONDING_MODE_TLB
119 || internals->mode == BONDING_MODE_ALB)
120 bond_tlb_disable(internals);
122 slave_pos = find_slave_by_id(internals->active_slaves, active_count,
125 /* If slave was not at the end of the list
126 * shift active slaves up active array list */
127 if (slave_pos < active_count) {
129 memmove(internals->active_slaves + slave_pos,
130 internals->active_slaves + slave_pos + 1,
131 (active_count - slave_pos) *
132 sizeof(internals->active_slaves[0]));
135 RTE_VERIFY(active_count < RTE_DIM(internals->active_slaves));
136 internals->active_slave_count = active_count;
138 if (eth_dev->data->dev_started) {
139 if (internals->mode == BONDING_MODE_8023AD) {
140 bond_mode_8023ad_start(eth_dev);
141 } else if (internals->mode == BONDING_MODE_TLB) {
142 bond_tlb_enable(internals);
143 } else if (internals->mode == BONDING_MODE_ALB) {
144 bond_tlb_enable(internals);
145 bond_mode_alb_client_list_upd(eth_dev);
151 number_of_sockets(void)
155 const struct rte_memseg *ms = rte_eal_get_physmem_layout();
157 for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
158 if (sockets < ms[i].socket_id)
159 sockets = ms[i].socket_id;
162 /* Number of sockets = maximum socket_id + 1 */
166 const char pmd_bond_driver_name[] = "rte_bond_pmd";
168 static struct rte_pci_id pci_id_table = {
169 .device_id = PCI_ANY_ID,
170 .subsystem_device_id = PCI_ANY_ID,
171 .vendor_id = PCI_ANY_ID,
172 .subsystem_vendor_id = PCI_ANY_ID,
175 static struct eth_driver rte_bond_pmd = {
177 .name = pmd_bond_driver_name,
178 .drv_flags = RTE_PCI_DRV_INTR_LSC | RTE_PCI_DRV_DETACHABLE,
179 .id_table = &pci_id_table,
184 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
186 struct rte_pci_device *pci_dev = NULL;
187 struct bond_dev_private *internals = NULL;
188 struct rte_eth_dev *eth_dev = NULL;
189 struct rte_pci_driver *pci_drv = NULL;
191 /* now do all data allocation - for eth_dev structure, dummy pci driver
192 * and internal (private) data
196 RTE_BOND_LOG(ERR, "Invalid name specified");
200 if (socket_id >= number_of_sockets()) {
202 "Invalid socket id specified to create bonded device on.");
206 pci_dev = rte_zmalloc_socket(name, sizeof(*pci_dev), 0, socket_id);
207 if (pci_dev == NULL) {
208 RTE_BOND_LOG(ERR, "Unable to malloc pci dev on socket");
212 pci_drv = &rte_bond_pmd.pci_drv;
214 internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
215 if (internals == NULL) {
216 RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
220 /* reserve an ethdev entry */
221 eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
222 if (eth_dev == NULL) {
223 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
227 pci_dev->numa_node = socket_id;
228 pci_drv->name = pmd_bond_driver_name;
229 pci_dev->driver = pci_drv;
231 eth_dev->driver = &rte_bond_pmd;
232 eth_dev->data->dev_private = internals;
233 eth_dev->data->nb_rx_queues = (uint16_t)1;
234 eth_dev->data->nb_tx_queues = (uint16_t)1;
236 TAILQ_INIT(&(eth_dev->link_intr_cbs));
238 eth_dev->data->dev_link.link_status = 0;
240 eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
242 if (eth_dev->data->mac_addrs == NULL) {
243 RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
247 eth_dev->data->dev_started = 0;
248 eth_dev->data->promiscuous = 0;
249 eth_dev->data->scattered_rx = 0;
250 eth_dev->data->all_multicast = 0;
252 eth_dev->dev_ops = &default_dev_ops;
253 eth_dev->pci_dev = pci_dev;
255 rte_spinlock_init(&internals->lock);
257 internals->port_id = eth_dev->data->port_id;
258 internals->mode = BONDING_MODE_INVALID;
259 internals->current_primary_port = 0;
260 internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
261 internals->xmit_hash = xmit_l2_hash;
262 internals->user_defined_mac = 0;
263 internals->link_props_set = 0;
265 internals->link_status_polling_enabled = 0;
267 internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
268 internals->link_down_delay_ms = 0;
269 internals->link_up_delay_ms = 0;
271 internals->slave_count = 0;
272 internals->active_slave_count = 0;
273 internals->rx_offload_capa = 0;
274 internals->tx_offload_capa = 0;
276 memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
277 memset(internals->slaves, 0, sizeof(internals->slaves));
279 /* Set mode 4 default configuration */
280 bond_mode_8023ad_setup(eth_dev, NULL);
281 if (bond_ethdev_mode_set(eth_dev, mode)) {
282 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
283 eth_dev->data->port_id, mode);
287 return eth_dev->data->port_id;
292 if (eth_dev != NULL) {
293 rte_free(eth_dev->data->mac_addrs);
294 rte_eth_dev_release_port(eth_dev);
300 rte_eth_bond_free(const char *name)
302 struct rte_eth_dev *eth_dev = NULL;
304 /* now free all data allocation - for eth_dev structure,
305 * dummy pci driver and internal (private) data
308 /* find an ethdev entry */
309 eth_dev = rte_eth_dev_allocated(name);
313 if (eth_dev->data->dev_started == 1) {
314 bond_ethdev_stop(eth_dev);
315 bond_ethdev_close(eth_dev);
318 eth_dev->dev_ops = NULL;
319 eth_dev->rx_pkt_burst = NULL;
320 eth_dev->tx_pkt_burst = NULL;
322 rte_free(eth_dev->pci_dev);
323 rte_free(eth_dev->data->dev_private);
324 rte_free(eth_dev->data->mac_addrs);
326 rte_eth_dev_release_port(eth_dev);
332 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
334 struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
335 struct bond_dev_private *internals;
336 struct bond_dev_private *temp_internals;
337 struct rte_eth_link link_props;
338 struct rte_eth_dev_info dev_info;
342 if (valid_slave_port_id(slave_port_id) != 0)
345 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
346 internals = bonded_eth_dev->data->dev_private;
348 /* Verify that new slave device is not already a slave of another
350 for (i = rte_eth_dev_count()-1; i >= 0; i--) {
351 if (valid_bonded_ethdev(&rte_eth_devices[i]) == 0) {
352 temp_internals = rte_eth_devices[i].data->dev_private;
354 for (j = 0; j < temp_internals->slave_count; j++) {
355 /* Device already a slave of a bonded device */
356 if (temp_internals->slaves[j].port_id == slave_port_id) {
357 RTE_BOND_LOG(ERR, "Slave port %d is already a slave",
365 slave_eth_dev = &rte_eth_devices[slave_port_id];
367 /* Add slave details to bonded device */
368 slave_add(internals, slave_eth_dev);
370 rte_eth_dev_info_get(slave_port_id, &dev_info);
372 if (internals->slave_count < 1) {
373 /* if MAC is not user defined then use MAC of first slave add to
375 if (!internals->user_defined_mac)
376 mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
378 /* Inherit eth dev link properties from first slave */
379 link_properties_set(bonded_eth_dev,
380 &(slave_eth_dev->data->dev_link));
382 /* Make primary slave */
383 internals->primary_port = slave_port_id;
385 /* Take the first dev's offload capabilities */
386 internals->rx_offload_capa = dev_info.rx_offload_capa;
387 internals->tx_offload_capa = dev_info.tx_offload_capa;
390 /* Check slave link properties are supported if props are set,
391 * all slaves must be the same */
392 if (internals->link_props_set) {
393 if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
394 &(slave_eth_dev->data->dev_link))) {
396 "Slave port %d link speed/duplex not supported",
401 link_properties_set(bonded_eth_dev,
402 &(slave_eth_dev->data->dev_link));
404 internals->rx_offload_capa &= dev_info.rx_offload_capa;
405 internals->tx_offload_capa &= dev_info.tx_offload_capa;
408 internals->slave_count++;
410 /* Update all slave devices MACs*/
411 mac_address_slaves_update(bonded_eth_dev);
413 if (bonded_eth_dev->data->dev_started) {
414 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
415 RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
421 /* Register link status change callback with bonded device pointer as
423 rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
424 bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
426 /* If bonded device is started then we can add the slave to our active
428 if (bonded_eth_dev->data->dev_started) {
429 rte_eth_link_get_nowait(slave_port_id, &link_props);
431 if (link_props.link_status == 1)
432 activate_slave(bonded_eth_dev, slave_port_id);
439 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
441 struct rte_eth_dev *bonded_eth_dev;
442 struct bond_dev_private *internals;
446 /* Verify that port id's are valid bonded and slave ports */
447 if (valid_bonded_port_id(bonded_port_id) != 0)
450 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
451 internals = bonded_eth_dev->data->dev_private;
453 rte_spinlock_lock(&internals->lock);
455 retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
457 rte_spinlock_unlock(&internals->lock);
463 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
465 struct rte_eth_dev *bonded_eth_dev;
466 struct bond_dev_private *internals;
470 if (valid_slave_port_id(slave_port_id) != 0)
473 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
474 internals = bonded_eth_dev->data->dev_private;
476 /* first remove from active slave list */
477 slave_idx = find_slave_by_id(internals->active_slaves,
478 internals->active_slave_count, slave_port_id);
480 if (slave_idx < internals->active_slave_count)
481 deactivate_slave(bonded_eth_dev, slave_port_id);
484 /* now find in slave list */
485 for (i = 0; i < internals->slave_count; i++)
486 if (internals->slaves[i].port_id == slave_port_id) {
492 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
493 internals->slave_count);
497 /* Un-register link status change callback with bonded device pointer as
499 rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
500 bond_ethdev_lsc_event_callback,
501 &rte_eth_devices[bonded_port_id].data->port_id);
503 /* Restore original MAC address of slave device */
504 mac_address_set(&rte_eth_devices[slave_port_id],
505 &(internals->slaves[slave_idx].persisted_mac_addr));
507 slave_remove(internals, &rte_eth_devices[slave_port_id]);
509 /* first slave in the active list will be the primary by default,
510 * otherwise use first device in list */
511 if (internals->current_primary_port == slave_port_id) {
512 if (internals->active_slave_count > 0)
513 internals->current_primary_port = internals->active_slaves[0];
514 else if (internals->slave_count > 0)
515 internals->current_primary_port = internals->slaves[0].port_id;
517 internals->primary_port = 0;
520 if (internals->active_slave_count < 1) {
521 /* reset device link properties as no slaves are active */
522 link_properties_reset(&rte_eth_devices[bonded_port_id]);
524 /* if no slaves are any longer attached to bonded device and MAC is not
525 * user defined then clear MAC of bonded device as it will be reset
526 * when a new slave is added */
527 if (internals->slave_count < 1 && !internals->user_defined_mac)
528 memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
529 sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
531 if (internals->slave_count == 0) {
532 internals->rx_offload_capa = 0;
533 internals->tx_offload_capa = 0;
539 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
541 struct rte_eth_dev *bonded_eth_dev;
542 struct bond_dev_private *internals;
545 if (valid_bonded_port_id(bonded_port_id) != 0)
548 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
549 internals = bonded_eth_dev->data->dev_private;
551 rte_spinlock_lock(&internals->lock);
553 retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
555 rte_spinlock_unlock(&internals->lock);
561 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
563 if (valid_bonded_port_id(bonded_port_id) != 0)
566 return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
570 rte_eth_bond_mode_get(uint8_t bonded_port_id)
572 struct bond_dev_private *internals;
574 if (valid_bonded_port_id(bonded_port_id) != 0)
577 internals = rte_eth_devices[bonded_port_id].data->dev_private;
579 return internals->mode;
583 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
585 struct bond_dev_private *internals;
587 if (valid_bonded_port_id(bonded_port_id) != 0)
590 if (valid_slave_port_id(slave_port_id) != 0)
593 internals = rte_eth_devices[bonded_port_id].data->dev_private;
595 internals->user_defined_primary_port = 1;
596 internals->primary_port = slave_port_id;
598 bond_ethdev_primary_set(internals, slave_port_id);
604 rte_eth_bond_primary_get(uint8_t bonded_port_id)
606 struct bond_dev_private *internals;
608 if (valid_bonded_port_id(bonded_port_id) != 0)
611 internals = rte_eth_devices[bonded_port_id].data->dev_private;
613 if (internals->slave_count < 1)
616 return internals->current_primary_port;
620 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
622 struct bond_dev_private *internals;
625 if (valid_bonded_port_id(bonded_port_id) != 0)
631 internals = rte_eth_devices[bonded_port_id].data->dev_private;
633 if (internals->slave_count > len)
636 for (i = 0; i < internals->slave_count; i++)
637 slaves[i] = internals->slaves[i].port_id;
639 return internals->slave_count;
643 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
646 struct bond_dev_private *internals;
648 if (valid_bonded_port_id(bonded_port_id) != 0)
654 internals = rte_eth_devices[bonded_port_id].data->dev_private;
656 if (internals->active_slave_count > len)
659 memcpy(slaves, internals->active_slaves, internals->active_slave_count);
661 return internals->active_slave_count;
665 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
666 struct ether_addr *mac_addr)
668 struct rte_eth_dev *bonded_eth_dev;
669 struct bond_dev_private *internals;
671 if (valid_bonded_port_id(bonded_port_id) != 0)
674 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
675 internals = bonded_eth_dev->data->dev_private;
677 /* Set MAC Address of Bonded Device */
678 if (mac_address_set(bonded_eth_dev, mac_addr))
681 internals->user_defined_mac = 1;
683 /* Update all slave devices MACs*/
684 if (internals->slave_count > 0)
685 return mac_address_slaves_update(bonded_eth_dev);
691 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
693 struct rte_eth_dev *bonded_eth_dev;
694 struct bond_dev_private *internals;
696 if (valid_bonded_port_id(bonded_port_id) != 0)
699 bonded_eth_dev = &rte_eth_devices[bonded_port_id];
700 internals = bonded_eth_dev->data->dev_private;
702 internals->user_defined_mac = 0;
704 if (internals->slave_count > 0) {
705 /* Set MAC Address of Bonded Device */
706 if (mac_address_set(bonded_eth_dev,
707 &internals->slaves[internals->primary_port].persisted_mac_addr)
709 RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
712 /* Update all slave devices MAC addresses */
713 return mac_address_slaves_update(bonded_eth_dev);
715 /* No need to update anything as no slaves present */
720 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
722 struct bond_dev_private *internals;
724 if (valid_bonded_port_id(bonded_port_id) != 0)
727 internals = rte_eth_devices[bonded_port_id].data->dev_private;
730 case BALANCE_XMIT_POLICY_LAYER2:
731 internals->balance_xmit_policy = policy;
732 internals->xmit_hash = xmit_l2_hash;
734 case BALANCE_XMIT_POLICY_LAYER23:
735 internals->balance_xmit_policy = policy;
736 internals->xmit_hash = xmit_l23_hash;
738 case BALANCE_XMIT_POLICY_LAYER34:
739 internals->balance_xmit_policy = policy;
740 internals->xmit_hash = xmit_l34_hash;
750 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
752 struct bond_dev_private *internals;
754 if (valid_bonded_port_id(bonded_port_id) != 0)
757 internals = rte_eth_devices[bonded_port_id].data->dev_private;
759 return internals->balance_xmit_policy;
763 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
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;
771 internals->link_status_polling_interval_ms = internal_ms;
777 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
779 struct bond_dev_private *internals;
781 if (valid_bonded_port_id(bonded_port_id) != 0)
784 internals = rte_eth_devices[bonded_port_id].data->dev_private;
786 return internals->link_status_polling_interval_ms;
790 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
793 struct bond_dev_private *internals;
795 if (valid_bonded_port_id(bonded_port_id) != 0)
798 internals = rte_eth_devices[bonded_port_id].data->dev_private;
799 internals->link_down_delay_ms = delay_ms;
805 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
807 struct bond_dev_private *internals;
809 if (valid_bonded_port_id(bonded_port_id) != 0)
812 internals = rte_eth_devices[bonded_port_id].data->dev_private;
814 return internals->link_down_delay_ms;
818 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
821 struct bond_dev_private *internals;
823 if (valid_bonded_port_id(bonded_port_id) != 0)
826 internals = rte_eth_devices[bonded_port_id].data->dev_private;
827 internals->link_up_delay_ms = delay_ms;
833 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
835 struct bond_dev_private *internals;
837 if (valid_bonded_port_id(bonded_port_id) != 0)
840 internals = rte_eth_devices[bonded_port_id].data->dev_private;
842 return internals->link_up_delay_ms;