eal: add uuid API
[dpdk.git] / drivers / net / bonding / rte_eth_bond_api.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2010-2017 Intel Corporation
3  */
4
5 #include <string.h>
6
7 #include <rte_mbuf.h>
8 #include <rte_malloc.h>
9 #include <rte_ethdev_driver.h>
10 #include <rte_tcp.h>
11 #include <rte_bus_vdev.h>
12 #include <rte_kvargs.h>
13
14 #include "rte_eth_bond.h"
15 #include "rte_eth_bond_private.h"
16 #include "rte_eth_bond_8023ad_private.h"
17
18 int
19 check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev)
20 {
21         /* Check valid pointer */
22         if (eth_dev->device->driver->name == NULL)
23                 return -1;
24
25         /* return 0 if driver name matches */
26         return eth_dev->device->driver->name != pmd_bond_drv.driver.name;
27 }
28
29 int
30 valid_bonded_port_id(uint16_t port_id)
31 {
32         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
33         return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
34 }
35
36 int
37 check_for_master_bonded_ethdev(const struct rte_eth_dev *eth_dev)
38 {
39         int i;
40         struct bond_dev_private *internals;
41
42         if (check_for_bonded_ethdev(eth_dev) != 0)
43                 return 0;
44
45         internals = eth_dev->data->dev_private;
46
47         /* Check if any of slave devices is a bonded device */
48         for (i = 0; i < internals->slave_count; i++)
49                 if (valid_bonded_port_id(internals->slaves[i].port_id) == 0)
50                         return 1;
51
52         return 0;
53 }
54
55 int
56 valid_slave_port_id(uint16_t port_id, uint8_t mode)
57 {
58         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
59
60         /* Verify that port_id refers to a non bonded port */
61         if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0 &&
62                         mode == BONDING_MODE_8023AD) {
63                 RTE_BOND_LOG(ERR, "Cannot add slave to bonded device in 802.3ad"
64                                 " mode as slave is also a bonded device, only "
65                                 "physical devices can be support in this mode.");
66                 return -1;
67         }
68
69         return 0;
70 }
71
72 void
73 activate_slave(struct rte_eth_dev *eth_dev, uint16_t port_id)
74 {
75         struct bond_dev_private *internals = eth_dev->data->dev_private;
76         uint8_t active_count = internals->active_slave_count;
77
78         if (internals->mode == BONDING_MODE_8023AD)
79                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
80
81         if (internals->mode == BONDING_MODE_TLB
82                         || internals->mode == BONDING_MODE_ALB) {
83
84                 internals->tlb_slaves_order[active_count] = port_id;
85         }
86
87         RTE_ASSERT(internals->active_slave_count <
88                         (RTE_DIM(internals->active_slaves) - 1));
89
90         internals->active_slaves[internals->active_slave_count] = port_id;
91         internals->active_slave_count++;
92
93         if (internals->mode == BONDING_MODE_TLB)
94                 bond_tlb_activate_slave(internals);
95         if (internals->mode == BONDING_MODE_ALB)
96                 bond_mode_alb_client_list_upd(eth_dev);
97 }
98
99 void
100 deactivate_slave(struct rte_eth_dev *eth_dev, uint16_t port_id)
101 {
102         uint16_t slave_pos;
103         struct bond_dev_private *internals = eth_dev->data->dev_private;
104         uint16_t active_count = internals->active_slave_count;
105
106         if (internals->mode == BONDING_MODE_8023AD) {
107                 bond_mode_8023ad_stop(eth_dev);
108                 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
109         } else if (internals->mode == BONDING_MODE_TLB
110                         || internals->mode == BONDING_MODE_ALB)
111                 bond_tlb_disable(internals);
112
113         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
114                         port_id);
115
116         /* If slave was not at the end of the list
117          * shift active slaves up active array list */
118         if (slave_pos < active_count) {
119                 active_count--;
120                 memmove(internals->active_slaves + slave_pos,
121                                 internals->active_slaves + slave_pos + 1,
122                                 (active_count - slave_pos) *
123                                         sizeof(internals->active_slaves[0]));
124         }
125
126         RTE_ASSERT(active_count < RTE_DIM(internals->active_slaves));
127         internals->active_slave_count = active_count;
128
129         if (eth_dev->data->dev_started) {
130                 if (internals->mode == BONDING_MODE_8023AD) {
131                         bond_mode_8023ad_start(eth_dev);
132                 } else if (internals->mode == BONDING_MODE_TLB) {
133                         bond_tlb_enable(internals);
134                 } else if (internals->mode == BONDING_MODE_ALB) {
135                         bond_tlb_enable(internals);
136                         bond_mode_alb_client_list_upd(eth_dev);
137                 }
138         }
139 }
140
141 int
142 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
143 {
144         struct bond_dev_private *internals;
145         char devargs[52];
146         uint16_t port_id;
147         int ret;
148
149         if (name == NULL) {
150                 RTE_BOND_LOG(ERR, "Invalid name specified");
151                 return -EINVAL;
152         }
153
154         ret = snprintf(devargs, sizeof(devargs),
155                 "driver=net_bonding,mode=%d,socket_id=%d", mode, socket_id);
156         if (ret < 0 || ret >= (int)sizeof(devargs))
157                 return -ENOMEM;
158
159         ret = rte_vdev_init(name, devargs);
160         if (ret)
161                 return -ENOMEM;
162
163         ret = rte_eth_dev_get_port_by_name(name, &port_id);
164         RTE_ASSERT(!ret);
165
166         /*
167          * To make bond_ethdev_configure() happy we need to free the
168          * internals->kvlist here.
169          *
170          * Also see comment in bond_ethdev_configure().
171          */
172         internals = rte_eth_devices[port_id].data->dev_private;
173         rte_kvargs_free(internals->kvlist);
174         internals->kvlist = NULL;
175
176         return port_id;
177 }
178
179 int
180 rte_eth_bond_free(const char *name)
181 {
182         return rte_vdev_uninit(name);
183 }
184
185 static int
186 slave_vlan_filter_set(uint16_t bonded_port_id, uint16_t slave_port_id)
187 {
188         struct rte_eth_dev *bonded_eth_dev;
189         struct bond_dev_private *internals;
190         int found;
191         int res = 0;
192         uint64_t slab = 0;
193         uint32_t pos = 0;
194         uint16_t first;
195
196         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
197         if ((bonded_eth_dev->data->dev_conf.rxmode.offloads &
198                         DEV_RX_OFFLOAD_VLAN_FILTER) == 0)
199                 return 0;
200
201         internals = bonded_eth_dev->data->dev_private;
202         found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
203         first = pos;
204
205         if (!found)
206                 return 0;
207
208         do {
209                 uint32_t i;
210                 uint64_t mask;
211
212                 for (i = 0, mask = 1;
213                      i < RTE_BITMAP_SLAB_BIT_SIZE;
214                      i ++, mask <<= 1) {
215                         if (unlikely(slab & mask)) {
216                                 uint16_t vlan_id = pos + i;
217
218                                 res = rte_eth_dev_vlan_filter(slave_port_id,
219                                                               vlan_id, 1);
220                         }
221                 }
222                 found = rte_bitmap_scan(internals->vlan_filter_bmp,
223                                         &pos, &slab);
224         } while (found && first != pos && res == 0);
225
226         return res;
227 }
228
229 static int
230 slave_rte_flow_prepare(uint16_t slave_id, struct bond_dev_private *internals)
231 {
232         struct rte_flow *flow;
233         struct rte_flow_error ferror;
234         uint16_t slave_port_id = internals->slaves[slave_id].port_id;
235
236         if (internals->flow_isolated_valid != 0) {
237                 rte_eth_dev_stop(slave_port_id);
238                 if (rte_flow_isolate(slave_port_id, internals->flow_isolated,
239                     &ferror)) {
240                         RTE_BOND_LOG(ERR, "rte_flow_isolate failed for slave"
241                                      " %d: %s", slave_id, ferror.message ?
242                                      ferror.message : "(no stated reason)");
243                         return -1;
244                 }
245         }
246         TAILQ_FOREACH(flow, &internals->flow_list, next) {
247                 flow->flows[slave_id] = rte_flow_create(slave_port_id,
248                                                         &flow->fd->attr,
249                                                         flow->fd->items,
250                                                         flow->fd->actions,
251                                                         &ferror);
252                 if (flow->flows[slave_id] == NULL) {
253                         RTE_BOND_LOG(ERR, "Cannot create flow for slave"
254                                      " %d: %s", slave_id,
255                                      ferror.message ? ferror.message :
256                                      "(no stated reason)");
257                         /* Destroy successful bond flows from the slave */
258                         TAILQ_FOREACH(flow, &internals->flow_list, next) {
259                                 if (flow->flows[slave_id] != NULL) {
260                                         rte_flow_destroy(slave_port_id,
261                                                          flow->flows[slave_id],
262                                                          &ferror);
263                                         flow->flows[slave_id] = NULL;
264                                 }
265                         }
266                         return -1;
267                 }
268         }
269         return 0;
270 }
271
272 static int
273 __eth_bond_slave_add_lock_free(uint16_t bonded_port_id, uint16_t slave_port_id)
274 {
275         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
276         struct bond_dev_private *internals;
277         struct rte_eth_link link_props;
278         struct rte_eth_dev_info dev_info;
279
280         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
281         internals = bonded_eth_dev->data->dev_private;
282
283         if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
284                 return -1;
285
286         slave_eth_dev = &rte_eth_devices[slave_port_id];
287         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
288                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
289                 return -1;
290         }
291
292         rte_eth_dev_info_get(slave_port_id, &dev_info);
293         if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
294                 RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
295                              slave_port_id);
296                 return -1;
297         }
298
299         slave_add(internals, slave_eth_dev);
300
301         /* We need to store slaves reta_size to be able to synchronize RETA for all
302          * slave devices even if its sizes are different.
303          */
304         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
305
306         if (internals->slave_count < 1) {
307                 /* if MAC is not user defined then use MAC of first slave add to
308                  * bonded device */
309                 if (!internals->user_defined_mac) {
310                         if (mac_address_set(bonded_eth_dev,
311                                             slave_eth_dev->data->mac_addrs)) {
312                                 RTE_BOND_LOG(ERR, "Failed to set MAC address");
313                                 return -1;
314                         }
315                 }
316
317                 /* Inherit eth dev link properties from first slave */
318                 link_properties_set(bonded_eth_dev,
319                                 &(slave_eth_dev->data->dev_link));
320
321                 /* Make primary slave */
322                 internals->primary_port = slave_port_id;
323                 internals->current_primary_port = slave_port_id;
324
325                 /* Inherit queues settings from first slave */
326                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
327                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
328
329                 internals->reta_size = dev_info.reta_size;
330
331                 /* Take the first dev's offload capabilities */
332                 internals->rx_offload_capa = dev_info.rx_offload_capa;
333                 internals->tx_offload_capa = dev_info.tx_offload_capa;
334                 internals->rx_queue_offload_capa = dev_info.rx_queue_offload_capa;
335                 internals->tx_queue_offload_capa = dev_info.tx_queue_offload_capa;
336                 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
337
338                 /* Inherit first slave's max rx packet size */
339                 internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
340
341         } else {
342                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
343                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
344                 internals->rx_queue_offload_capa &= dev_info.rx_queue_offload_capa;
345                 internals->tx_queue_offload_capa &= dev_info.tx_queue_offload_capa;
346                 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
347
348                 if (link_properties_valid(bonded_eth_dev,
349                                 &slave_eth_dev->data->dev_link) != 0) {
350                         RTE_BOND_LOG(ERR, "Invalid link properties for slave %d"
351                                         " in bonding mode %d", slave_port_id,
352                                         internals->mode);
353                         return -1;
354                 }
355
356                 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
357                  * the power of 2, the lower one is GCD
358                  */
359                 if (internals->reta_size > dev_info.reta_size)
360                         internals->reta_size = dev_info.reta_size;
361
362                 if (!internals->max_rx_pktlen &&
363                     dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
364                         internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
365         }
366
367         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
368                         internals->flow_type_rss_offloads;
369
370         if (slave_rte_flow_prepare(internals->slave_count, internals) != 0) {
371                 RTE_BOND_LOG(ERR, "Failed to prepare new slave flows: port=%d",
372                              slave_port_id);
373                 return -1;
374         }
375
376         /* Add additional MAC addresses to the slave */
377         if (slave_add_mac_addresses(bonded_eth_dev, slave_port_id) != 0) {
378                 RTE_BOND_LOG(ERR, "Failed to add mac address(es) to slave %hu",
379                                 slave_port_id);
380                 return -1;
381         }
382
383         internals->slave_count++;
384
385         if (bonded_eth_dev->data->dev_started) {
386                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
387                         internals->slave_count--;
388                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
389                                         slave_port_id);
390                         return -1;
391                 }
392         }
393
394         /* Add slave details to bonded device */
395         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
396
397         /* Update all slave devices MACs */
398         mac_address_slaves_update(bonded_eth_dev);
399
400         /* Register link status change callback with bonded device pointer as
401          * argument*/
402         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
403                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
404
405         /* If bonded device is started then we can add the slave to our active
406          * slave array */
407         if (bonded_eth_dev->data->dev_started) {
408                 rte_eth_link_get_nowait(slave_port_id, &link_props);
409
410                  if (link_props.link_status == ETH_LINK_UP) {
411                         if (internals->active_slave_count == 0 &&
412                             !internals->user_defined_primary_port)
413                                 bond_ethdev_primary_set(internals,
414                                                         slave_port_id);
415
416                         if (find_slave_by_id(internals->active_slaves,
417                                              internals->active_slave_count,
418                                              slave_port_id) == internals->active_slave_count)
419                                 activate_slave(bonded_eth_dev, slave_port_id);
420                 }
421         }
422
423         slave_vlan_filter_set(bonded_port_id, slave_port_id);
424
425         return 0;
426
427 }
428
429 int
430 rte_eth_bond_slave_add(uint16_t bonded_port_id, uint16_t slave_port_id)
431 {
432         struct rte_eth_dev *bonded_eth_dev;
433         struct bond_dev_private *internals;
434
435         int retval;
436
437         /* Verify that port id's are valid bonded and slave ports */
438         if (valid_bonded_port_id(bonded_port_id) != 0)
439                 return -1;
440
441         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
442         internals = bonded_eth_dev->data->dev_private;
443
444         rte_spinlock_lock(&internals->lock);
445
446         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
447
448         rte_spinlock_unlock(&internals->lock);
449
450         return retval;
451 }
452
453 static int
454 __eth_bond_slave_remove_lock_free(uint16_t bonded_port_id,
455                                    uint16_t slave_port_id)
456 {
457         struct rte_eth_dev *bonded_eth_dev;
458         struct bond_dev_private *internals;
459         struct rte_eth_dev *slave_eth_dev;
460         struct rte_flow_error flow_error;
461         struct rte_flow *flow;
462         int i, slave_idx;
463
464         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
465         internals = bonded_eth_dev->data->dev_private;
466
467         if (valid_slave_port_id(slave_port_id, internals->mode) < 0)
468                 return -1;
469
470         /* first remove from active slave list */
471         slave_idx = find_slave_by_id(internals->active_slaves,
472                 internals->active_slave_count, slave_port_id);
473
474         if (slave_idx < internals->active_slave_count)
475                 deactivate_slave(bonded_eth_dev, slave_port_id);
476
477         slave_idx = -1;
478         /* now find in slave list */
479         for (i = 0; i < internals->slave_count; i++)
480                 if (internals->slaves[i].port_id == slave_port_id) {
481                         slave_idx = i;
482                         break;
483                 }
484
485         if (slave_idx < 0) {
486                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
487                                 internals->slave_count);
488                 return -1;
489         }
490
491         /* Un-register link status change callback with bonded device pointer as
492          * argument*/
493         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
494                         bond_ethdev_lsc_event_callback,
495                         &rte_eth_devices[bonded_port_id].data->port_id);
496
497         /* Restore original MAC address of slave device */
498         rte_eth_dev_default_mac_addr_set(slave_port_id,
499                         &(internals->slaves[slave_idx].persisted_mac_addr));
500
501         /* remove additional MAC addresses from the slave */
502         slave_remove_mac_addresses(bonded_eth_dev, slave_port_id);
503
504         /*
505          * Remove bond device flows from slave device.
506          * Note: don't restore flow isolate mode.
507          */
508         TAILQ_FOREACH(flow, &internals->flow_list, next) {
509                 if (flow->flows[slave_idx] != NULL) {
510                         rte_flow_destroy(slave_port_id, flow->flows[slave_idx],
511                                          &flow_error);
512                         flow->flows[slave_idx] = NULL;
513                 }
514         }
515
516         slave_eth_dev = &rte_eth_devices[slave_port_id];
517         slave_remove(internals, slave_eth_dev);
518         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
519
520         /*  first slave in the active list will be the primary by default,
521          *  otherwise use first device in list */
522         if (internals->current_primary_port == slave_port_id) {
523                 if (internals->active_slave_count > 0)
524                         internals->current_primary_port = internals->active_slaves[0];
525                 else if (internals->slave_count > 0)
526                         internals->current_primary_port = internals->slaves[0].port_id;
527                 else
528                         internals->primary_port = 0;
529         }
530
531         if (internals->active_slave_count < 1) {
532                 /* if no slaves are any longer attached to bonded device and MAC is not
533                  * user defined then clear MAC of bonded device as it will be reset
534                  * when a new slave is added */
535                 if (internals->slave_count < 1 && !internals->user_defined_mac)
536                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
537                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
538         }
539         if (internals->slave_count == 0) {
540                 internals->rx_offload_capa = 0;
541                 internals->tx_offload_capa = 0;
542                 internals->rx_queue_offload_capa = 0;
543                 internals->tx_queue_offload_capa = 0;
544                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
545                 internals->reta_size = 0;
546                 internals->candidate_max_rx_pktlen = 0;
547                 internals->max_rx_pktlen = 0;
548         }
549         return 0;
550 }
551
552 int
553 rte_eth_bond_slave_remove(uint16_t bonded_port_id, uint16_t slave_port_id)
554 {
555         struct rte_eth_dev *bonded_eth_dev;
556         struct bond_dev_private *internals;
557         int retval;
558
559         if (valid_bonded_port_id(bonded_port_id) != 0)
560                 return -1;
561
562         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
563         internals = bonded_eth_dev->data->dev_private;
564
565         rte_spinlock_lock(&internals->lock);
566
567         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
568
569         rte_spinlock_unlock(&internals->lock);
570
571         return retval;
572 }
573
574 int
575 rte_eth_bond_mode_set(uint16_t bonded_port_id, uint8_t mode)
576 {
577         struct rte_eth_dev *bonded_eth_dev;
578
579         if (valid_bonded_port_id(bonded_port_id) != 0)
580                 return -1;
581
582         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
583
584         if (check_for_master_bonded_ethdev(bonded_eth_dev) != 0 &&
585                         mode == BONDING_MODE_8023AD)
586                 return -1;
587
588         return bond_ethdev_mode_set(bonded_eth_dev, mode);
589 }
590
591 int
592 rte_eth_bond_mode_get(uint16_t bonded_port_id)
593 {
594         struct bond_dev_private *internals;
595
596         if (valid_bonded_port_id(bonded_port_id) != 0)
597                 return -1;
598
599         internals = rte_eth_devices[bonded_port_id].data->dev_private;
600
601         return internals->mode;
602 }
603
604 int
605 rte_eth_bond_primary_set(uint16_t bonded_port_id, uint16_t slave_port_id)
606 {
607         struct bond_dev_private *internals;
608
609         if (valid_bonded_port_id(bonded_port_id) != 0)
610                 return -1;
611
612         internals = rte_eth_devices[bonded_port_id].data->dev_private;
613
614         if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
615                 return -1;
616
617         internals->user_defined_primary_port = 1;
618         internals->primary_port = slave_port_id;
619
620         bond_ethdev_primary_set(internals, slave_port_id);
621
622         return 0;
623 }
624
625 int
626 rte_eth_bond_primary_get(uint16_t bonded_port_id)
627 {
628         struct bond_dev_private *internals;
629
630         if (valid_bonded_port_id(bonded_port_id) != 0)
631                 return -1;
632
633         internals = rte_eth_devices[bonded_port_id].data->dev_private;
634
635         if (internals->slave_count < 1)
636                 return -1;
637
638         return internals->current_primary_port;
639 }
640
641 int
642 rte_eth_bond_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
643                         uint16_t len)
644 {
645         struct bond_dev_private *internals;
646         uint8_t i;
647
648         if (valid_bonded_port_id(bonded_port_id) != 0)
649                 return -1;
650
651         if (slaves == NULL)
652                 return -1;
653
654         internals = rte_eth_devices[bonded_port_id].data->dev_private;
655
656         if (internals->slave_count > len)
657                 return -1;
658
659         for (i = 0; i < internals->slave_count; i++)
660                 slaves[i] = internals->slaves[i].port_id;
661
662         return internals->slave_count;
663 }
664
665 int
666 rte_eth_bond_active_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
667                 uint16_t len)
668 {
669         struct bond_dev_private *internals;
670
671         if (valid_bonded_port_id(bonded_port_id) != 0)
672                 return -1;
673
674         if (slaves == NULL)
675                 return -1;
676
677         internals = rte_eth_devices[bonded_port_id].data->dev_private;
678
679         if (internals->active_slave_count > len)
680                 return -1;
681
682         memcpy(slaves, internals->active_slaves,
683         internals->active_slave_count * sizeof(internals->active_slaves[0]));
684
685         return internals->active_slave_count;
686 }
687
688 int
689 rte_eth_bond_mac_address_set(uint16_t bonded_port_id,
690                 struct ether_addr *mac_addr)
691 {
692         struct rte_eth_dev *bonded_eth_dev;
693         struct bond_dev_private *internals;
694
695         if (valid_bonded_port_id(bonded_port_id) != 0)
696                 return -1;
697
698         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
699         internals = bonded_eth_dev->data->dev_private;
700
701         /* Set MAC Address of Bonded Device */
702         if (mac_address_set(bonded_eth_dev, mac_addr))
703                 return -1;
704
705         internals->user_defined_mac = 1;
706
707         /* Update all slave devices MACs*/
708         if (internals->slave_count > 0)
709                 return mac_address_slaves_update(bonded_eth_dev);
710
711         return 0;
712 }
713
714 int
715 rte_eth_bond_mac_address_reset(uint16_t bonded_port_id)
716 {
717         struct rte_eth_dev *bonded_eth_dev;
718         struct bond_dev_private *internals;
719
720         if (valid_bonded_port_id(bonded_port_id) != 0)
721                 return -1;
722
723         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
724         internals = bonded_eth_dev->data->dev_private;
725
726         internals->user_defined_mac = 0;
727
728         if (internals->slave_count > 0) {
729                 int slave_port;
730                 /* Get the primary slave location based on the primary port
731                  * number as, while slave_add(), we will keep the primary
732                  * slave based on slave_count,but not based on the primary port.
733                  */
734                 for (slave_port = 0; slave_port < internals->slave_count;
735                      slave_port++) {
736                         if (internals->slaves[slave_port].port_id ==
737                             internals->primary_port)
738                                 break;
739                 }
740
741                 /* Set MAC Address of Bonded Device */
742                 if (mac_address_set(bonded_eth_dev,
743                         &internals->slaves[slave_port].persisted_mac_addr)
744                                 != 0) {
745                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
746                         return -1;
747                 }
748                 /* Update all slave devices MAC addresses */
749                 return mac_address_slaves_update(bonded_eth_dev);
750         }
751         /* No need to update anything as no slaves present */
752         return 0;
753 }
754
755 int
756 rte_eth_bond_xmit_policy_set(uint16_t bonded_port_id, uint8_t policy)
757 {
758         struct bond_dev_private *internals;
759
760         if (valid_bonded_port_id(bonded_port_id) != 0)
761                 return -1;
762
763         internals = rte_eth_devices[bonded_port_id].data->dev_private;
764
765         switch (policy) {
766         case BALANCE_XMIT_POLICY_LAYER2:
767                 internals->balance_xmit_policy = policy;
768                 internals->burst_xmit_hash = burst_xmit_l2_hash;
769                 break;
770         case BALANCE_XMIT_POLICY_LAYER23:
771                 internals->balance_xmit_policy = policy;
772                 internals->burst_xmit_hash = burst_xmit_l23_hash;
773                 break;
774         case BALANCE_XMIT_POLICY_LAYER34:
775                 internals->balance_xmit_policy = policy;
776                 internals->burst_xmit_hash = burst_xmit_l34_hash;
777                 break;
778
779         default:
780                 return -1;
781         }
782         return 0;
783 }
784
785 int
786 rte_eth_bond_xmit_policy_get(uint16_t bonded_port_id)
787 {
788         struct bond_dev_private *internals;
789
790         if (valid_bonded_port_id(bonded_port_id) != 0)
791                 return -1;
792
793         internals = rte_eth_devices[bonded_port_id].data->dev_private;
794
795         return internals->balance_xmit_policy;
796 }
797
798 int
799 rte_eth_bond_link_monitoring_set(uint16_t bonded_port_id, uint32_t internal_ms)
800 {
801         struct bond_dev_private *internals;
802
803         if (valid_bonded_port_id(bonded_port_id) != 0)
804                 return -1;
805
806         internals = rte_eth_devices[bonded_port_id].data->dev_private;
807         internals->link_status_polling_interval_ms = internal_ms;
808
809         return 0;
810 }
811
812 int
813 rte_eth_bond_link_monitoring_get(uint16_t bonded_port_id)
814 {
815         struct bond_dev_private *internals;
816
817         if (valid_bonded_port_id(bonded_port_id) != 0)
818                 return -1;
819
820         internals = rte_eth_devices[bonded_port_id].data->dev_private;
821
822         return internals->link_status_polling_interval_ms;
823 }
824
825 int
826 rte_eth_bond_link_down_prop_delay_set(uint16_t bonded_port_id,
827                                        uint32_t delay_ms)
828
829 {
830         struct bond_dev_private *internals;
831
832         if (valid_bonded_port_id(bonded_port_id) != 0)
833                 return -1;
834
835         internals = rte_eth_devices[bonded_port_id].data->dev_private;
836         internals->link_down_delay_ms = delay_ms;
837
838         return 0;
839 }
840
841 int
842 rte_eth_bond_link_down_prop_delay_get(uint16_t bonded_port_id)
843 {
844         struct bond_dev_private *internals;
845
846         if (valid_bonded_port_id(bonded_port_id) != 0)
847                 return -1;
848
849         internals = rte_eth_devices[bonded_port_id].data->dev_private;
850
851         return internals->link_down_delay_ms;
852 }
853
854 int
855 rte_eth_bond_link_up_prop_delay_set(uint16_t bonded_port_id, uint32_t delay_ms)
856
857 {
858         struct bond_dev_private *internals;
859
860         if (valid_bonded_port_id(bonded_port_id) != 0)
861                 return -1;
862
863         internals = rte_eth_devices[bonded_port_id].data->dev_private;
864         internals->link_up_delay_ms = delay_ms;
865
866         return 0;
867 }
868
869 int
870 rte_eth_bond_link_up_prop_delay_get(uint16_t bonded_port_id)
871 {
872         struct bond_dev_private *internals;
873
874         if (valid_bonded_port_id(bonded_port_id) != 0)
875                 return -1;
876
877         internals = rte_eth_devices[bonded_port_id].data->dev_private;
878
879         return internals->link_up_delay_ms;
880 }