Imported Upstream version 16.07.2
[deb_dpdk.git] / drivers / net / bonding / rte_eth_bond_api.c
1 /*-
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
5  *   All rights reserved.
6  *
7  *   Redistribution and use in source and binary forms, with or without
8  *   modification, are permitted provided that the following conditions
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Intel Corporation nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33
34 #include <string.h>
35
36 #include <rte_mbuf.h>
37 #include <rte_malloc.h>
38 #include <rte_ethdev.h>
39 #include <rte_tcp.h>
40
41 #include "rte_eth_bond.h"
42 #include "rte_eth_bond_private.h"
43 #include "rte_eth_bond_8023ad_private.h"
44
45 #define DEFAULT_POLLING_INTERVAL_10_MS (10)
46
47 const char pmd_bond_driver_name[] = "rte_bond_pmd";
48
49 int
50 check_for_bonded_ethdev(const struct rte_eth_dev *eth_dev)
51 {
52         /* Check valid pointer */
53         if (eth_dev->data->drv_name == NULL)
54                 return -1;
55
56         /* return 0 if driver name matches */
57         return eth_dev->data->drv_name != pmd_bond_driver_name;
58 }
59
60 int
61 valid_bonded_port_id(uint8_t port_id)
62 {
63         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
64         return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
65 }
66
67 int
68 valid_slave_port_id(uint8_t port_id)
69 {
70         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
71
72         /* Verify that port_id refers to a non bonded port */
73         if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0)
74                 return -1;
75
76         return 0;
77 }
78
79 void
80 activate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
81 {
82         struct bond_dev_private *internals = eth_dev->data->dev_private;
83         uint8_t active_count = internals->active_slave_count;
84
85         if (internals->mode == BONDING_MODE_8023AD)
86                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
87
88         if (internals->mode == BONDING_MODE_TLB
89                         || internals->mode == BONDING_MODE_ALB) {
90
91                 internals->tlb_slaves_order[active_count] = port_id;
92         }
93
94         RTE_ASSERT(internals->active_slave_count <
95                         (RTE_DIM(internals->active_slaves) - 1));
96
97         internals->active_slaves[internals->active_slave_count] = port_id;
98         internals->active_slave_count++;
99
100         if (internals->mode == BONDING_MODE_TLB)
101                 bond_tlb_activate_slave(internals);
102         if (internals->mode == BONDING_MODE_ALB)
103                 bond_mode_alb_client_list_upd(eth_dev);
104 }
105
106 void
107 deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
108 {
109         uint8_t slave_pos;
110         struct bond_dev_private *internals = eth_dev->data->dev_private;
111         uint8_t active_count = internals->active_slave_count;
112
113         if (internals->mode == BONDING_MODE_8023AD) {
114                 bond_mode_8023ad_stop(eth_dev);
115                 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
116         } else if (internals->mode == BONDING_MODE_TLB
117                         || internals->mode == BONDING_MODE_ALB)
118                 bond_tlb_disable(internals);
119
120         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
121                         port_id);
122
123         /* If slave was not at the end of the list
124          * shift active slaves up active array list */
125         if (slave_pos < active_count) {
126                 active_count--;
127                 memmove(internals->active_slaves + slave_pos,
128                                 internals->active_slaves + slave_pos + 1,
129                                 (active_count - slave_pos) *
130                                         sizeof(internals->active_slaves[0]));
131         }
132
133         RTE_ASSERT(active_count < RTE_DIM(internals->active_slaves));
134         internals->active_slave_count = active_count;
135
136         if (eth_dev->data->dev_started) {
137                 if (internals->mode == BONDING_MODE_8023AD) {
138                         bond_mode_8023ad_start(eth_dev);
139                 } else if (internals->mode == BONDING_MODE_TLB) {
140                         bond_tlb_enable(internals);
141                 } else if (internals->mode == BONDING_MODE_ALB) {
142                         bond_tlb_enable(internals);
143                         bond_mode_alb_client_list_upd(eth_dev);
144                 }
145         }
146 }
147
148 uint8_t
149 number_of_sockets(void)
150 {
151         int sockets = 0;
152         int i;
153         const struct rte_memseg *ms = rte_eal_get_physmem_layout();
154
155         for (i = 0; ((i < RTE_MAX_MEMSEG) && (ms[i].addr != NULL)); i++) {
156                 if (sockets < ms[i].socket_id)
157                         sockets = ms[i].socket_id;
158         }
159
160         /* Number of sockets = maximum socket_id + 1 */
161         return ++sockets;
162 }
163
164 int
165 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
166 {
167         struct bond_dev_private *internals = NULL;
168         struct rte_eth_dev *eth_dev = NULL;
169
170         /* now do all data allocation - for eth_dev structure, dummy pci driver
171          * and internal (private) data
172          */
173
174         if (name == NULL) {
175                 RTE_BOND_LOG(ERR, "Invalid name specified");
176                 goto err;
177         }
178
179         if (socket_id >= number_of_sockets()) {
180                 RTE_BOND_LOG(ERR,
181                                 "Invalid socket id specified to create bonded device on.");
182                 goto err;
183         }
184
185         internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
186         if (internals == NULL) {
187                 RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
188                 goto err;
189         }
190
191         /* reserve an ethdev entry */
192         eth_dev = rte_eth_dev_allocate(name, RTE_ETH_DEV_VIRTUAL);
193         if (eth_dev == NULL) {
194                 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
195                 goto err;
196         }
197
198         eth_dev->data->dev_private = internals;
199         eth_dev->data->nb_rx_queues = (uint16_t)1;
200         eth_dev->data->nb_tx_queues = (uint16_t)1;
201
202         TAILQ_INIT(&(eth_dev->link_intr_cbs));
203
204         eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
205
206         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
207                         socket_id);
208         if (eth_dev->data->mac_addrs == NULL) {
209                 RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
210                 goto err;
211         }
212
213         eth_dev->data->dev_started = 0;
214         eth_dev->data->promiscuous = 0;
215         eth_dev->data->scattered_rx = 0;
216         eth_dev->data->all_multicast = 0;
217
218         eth_dev->dev_ops = &default_dev_ops;
219         eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
220                 RTE_ETH_DEV_DETACHABLE;
221         eth_dev->driver = NULL;
222         eth_dev->data->kdrv = RTE_KDRV_NONE;
223         eth_dev->data->drv_name = pmd_bond_driver_name;
224         eth_dev->data->numa_node =  socket_id;
225
226         rte_spinlock_init(&internals->lock);
227
228         internals->port_id = eth_dev->data->port_id;
229         internals->mode = BONDING_MODE_INVALID;
230         internals->current_primary_port = RTE_MAX_ETHPORTS + 1;
231         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
232         internals->xmit_hash = xmit_l2_hash;
233         internals->user_defined_mac = 0;
234         internals->link_props_set = 0;
235
236         internals->link_status_polling_enabled = 0;
237
238         internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
239         internals->link_down_delay_ms = 0;
240         internals->link_up_delay_ms = 0;
241
242         internals->slave_count = 0;
243         internals->active_slave_count = 0;
244         internals->rx_offload_capa = 0;
245         internals->tx_offload_capa = 0;
246         internals->candidate_max_rx_pktlen = 0;
247         internals->max_rx_pktlen = 0;
248
249         /* Initially allow to choose any offload type */
250         internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
251
252         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
253         memset(internals->slaves, 0, sizeof(internals->slaves));
254
255         /* Set mode 4 default configuration */
256         bond_mode_8023ad_setup(eth_dev, NULL);
257         if (bond_ethdev_mode_set(eth_dev, mode)) {
258                 RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
259                                  eth_dev->data->port_id, mode);
260                 goto err;
261         }
262
263         return eth_dev->data->port_id;
264
265 err:
266         rte_free(internals);
267         if (eth_dev != NULL) {
268                 rte_free(eth_dev->data->mac_addrs);
269                 rte_eth_dev_release_port(eth_dev);
270         }
271         return -1;
272 }
273
274 int
275 rte_eth_bond_free(const char *name)
276 {
277         struct rte_eth_dev *eth_dev = NULL;
278         struct bond_dev_private *internals;
279
280         /* now free all data allocation - for eth_dev structure,
281          * dummy pci driver and internal (private) data
282          */
283
284         /* find an ethdev entry */
285         eth_dev = rte_eth_dev_allocated(name);
286         if (eth_dev == NULL)
287                 return -ENODEV;
288
289         internals = eth_dev->data->dev_private;
290         if (internals->slave_count != 0)
291                 return -EBUSY;
292
293         if (eth_dev->data->dev_started == 1) {
294                 bond_ethdev_stop(eth_dev);
295                 bond_ethdev_close(eth_dev);
296         }
297
298         eth_dev->dev_ops = NULL;
299         eth_dev->rx_pkt_burst = NULL;
300         eth_dev->tx_pkt_burst = NULL;
301
302         rte_free(eth_dev->data->dev_private);
303         rte_free(eth_dev->data->mac_addrs);
304
305         rte_eth_dev_release_port(eth_dev);
306
307         return 0;
308 }
309
310 static int
311 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
312 {
313         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
314         struct bond_dev_private *internals;
315         struct rte_eth_link link_props;
316         struct rte_eth_dev_info dev_info;
317
318         if (valid_slave_port_id(slave_port_id) != 0)
319                 return -1;
320
321         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
322         internals = bonded_eth_dev->data->dev_private;
323
324         slave_eth_dev = &rte_eth_devices[slave_port_id];
325         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
326                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
327                 return -1;
328         }
329
330         /* Add slave details to bonded device */
331         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
332
333         rte_eth_dev_info_get(slave_port_id, &dev_info);
334         if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
335                 RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
336                              slave_port_id);
337                 return -1;
338         }
339
340         slave_add(internals, slave_eth_dev);
341
342         /* We need to store slaves reta_size to be able to synchronize RETA for all
343          * slave devices even if its sizes are different.
344          */
345         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
346
347         if (internals->slave_count < 1) {
348                 /* if MAC is not user defined then use MAC of first slave add to
349                  * bonded device */
350                 if (!internals->user_defined_mac)
351                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
352
353                 /* Inherit eth dev link properties from first slave */
354                 link_properties_set(bonded_eth_dev,
355                                 &(slave_eth_dev->data->dev_link));
356
357                 /* Make primary slave */
358                 internals->primary_port = slave_port_id;
359                 internals->current_primary_port = slave_port_id;
360
361                 /* Inherit queues settings from first slave */
362                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
363                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
364
365                 internals->reta_size = dev_info.reta_size;
366
367                 /* Take the first dev's offload capabilities */
368                 internals->rx_offload_capa = dev_info.rx_offload_capa;
369                 internals->tx_offload_capa = dev_info.tx_offload_capa;
370                 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
371
372                 /* Inherit first slave's max rx packet size */
373                 internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
374
375         } else {
376                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
377                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
378                 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
379
380                 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
381                  * the power of 2, the lower one is GCD
382                  */
383                 if (internals->reta_size > dev_info.reta_size)
384                         internals->reta_size = dev_info.reta_size;
385
386                 if (!internals->max_rx_pktlen &&
387                     dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
388                         internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
389         }
390
391         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
392                         internals->flow_type_rss_offloads;
393
394         internals->slave_count++;
395
396         /* Update all slave devices MACs*/
397         mac_address_slaves_update(bonded_eth_dev);
398
399         if (bonded_eth_dev->data->dev_started) {
400                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
401                         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
402                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
403                                         slave_port_id);
404                         return -1;
405                 }
406         }
407
408         /* Register link status change callback with bonded device pointer as
409          * argument*/
410         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
411                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
412
413         /* If bonded device is started then we can add the slave to our active
414          * slave array */
415         if (bonded_eth_dev->data->dev_started) {
416                 rte_eth_link_get_nowait(slave_port_id, &link_props);
417
418                  if (link_props.link_status == ETH_LINK_UP) {
419                         if (internals->active_slave_count == 0 &&
420                             !internals->user_defined_primary_port)
421                                 bond_ethdev_primary_set(internals,
422                                                         slave_port_id);
423
424                         if (find_slave_by_id(internals->active_slaves,
425                                              internals->active_slave_count,
426                                              slave_port_id) == internals->active_slave_count)
427                                 activate_slave(bonded_eth_dev, slave_port_id);
428                 }
429         }
430         return 0;
431
432 }
433
434 int
435 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
436 {
437         struct rte_eth_dev *bonded_eth_dev;
438         struct bond_dev_private *internals;
439
440         int retval;
441
442         /* Verify that port id's are valid bonded and slave ports */
443         if (valid_bonded_port_id(bonded_port_id) != 0)
444                 return -1;
445
446         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
447         internals = bonded_eth_dev->data->dev_private;
448
449         rte_spinlock_lock(&internals->lock);
450
451         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
452
453         rte_spinlock_unlock(&internals->lock);
454
455         return retval;
456 }
457
458 static int
459 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
460 {
461         struct rte_eth_dev *bonded_eth_dev;
462         struct bond_dev_private *internals;
463         struct rte_eth_dev *slave_eth_dev;
464         int i, slave_idx;
465
466         if (valid_slave_port_id(slave_port_id) != 0)
467                 return -1;
468
469         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
470         internals = bonded_eth_dev->data->dev_private;
471
472         /* first remove from active slave list */
473         slave_idx = find_slave_by_id(internals->active_slaves,
474                 internals->active_slave_count, slave_port_id);
475
476         if (slave_idx < internals->active_slave_count)
477                 deactivate_slave(bonded_eth_dev, slave_port_id);
478
479         slave_idx = -1;
480         /* now find in slave list */
481         for (i = 0; i < internals->slave_count; i++)
482                 if (internals->slaves[i].port_id == slave_port_id) {
483                         slave_idx = i;
484                         break;
485                 }
486
487         if (slave_idx < 0) {
488                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
489                                 internals->slave_count);
490                 return -1;
491         }
492
493         /* Un-register link status change callback with bonded device pointer as
494          * argument*/
495         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
496                         bond_ethdev_lsc_event_callback,
497                         &rte_eth_devices[bonded_port_id].data->port_id);
498
499         /* Restore original MAC address of slave device */
500         mac_address_set(&rte_eth_devices[slave_port_id],
501                         &(internals->slaves[slave_idx].persisted_mac_addr));
502
503         slave_eth_dev = &rte_eth_devices[slave_port_id];
504         slave_remove(internals, slave_eth_dev);
505         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
506
507         /*  first slave in the active list will be the primary by default,
508          *  otherwise use first device in list */
509         if (internals->current_primary_port == slave_port_id) {
510                 if (internals->active_slave_count > 0)
511                         internals->current_primary_port = internals->active_slaves[0];
512                 else if (internals->slave_count > 0)
513                         internals->current_primary_port = internals->slaves[0].port_id;
514                 else
515                         internals->primary_port = 0;
516         }
517
518         if (internals->active_slave_count < 1) {
519                 /* reset device link properties as no slaves are active */
520                 link_properties_reset(&rte_eth_devices[bonded_port_id]);
521
522                 /* if no slaves are any longer attached to bonded device and MAC is not
523                  * user defined then clear MAC of bonded device as it will be reset
524                  * when a new slave is added */
525                 if (internals->slave_count < 1 && !internals->user_defined_mac)
526                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
527                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
528         }
529         if (internals->slave_count == 0) {
530                 internals->rx_offload_capa = 0;
531                 internals->tx_offload_capa = 0;
532                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
533                 internals->reta_size = 0;
534                 internals->candidate_max_rx_pktlen = 0;
535                 internals->max_rx_pktlen = 0;
536         }
537         return 0;
538 }
539
540 int
541 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
542 {
543         struct rte_eth_dev *bonded_eth_dev;
544         struct bond_dev_private *internals;
545         int retval;
546
547         if (valid_bonded_port_id(bonded_port_id) != 0)
548                 return -1;
549
550         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
551         internals = bonded_eth_dev->data->dev_private;
552
553         rte_spinlock_lock(&internals->lock);
554
555         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
556
557         rte_spinlock_unlock(&internals->lock);
558
559         return retval;
560 }
561
562 int
563 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
564 {
565         if (valid_bonded_port_id(bonded_port_id) != 0)
566                 return -1;
567
568         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
569 }
570
571 int
572 rte_eth_bond_mode_get(uint8_t bonded_port_id)
573 {
574         struct bond_dev_private *internals;
575
576         if (valid_bonded_port_id(bonded_port_id) != 0)
577                 return -1;
578
579         internals = rte_eth_devices[bonded_port_id].data->dev_private;
580
581         return internals->mode;
582 }
583
584 int
585 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
586 {
587         struct bond_dev_private *internals;
588
589         if (valid_bonded_port_id(bonded_port_id) != 0)
590                 return -1;
591
592         if (valid_slave_port_id(slave_port_id) != 0)
593                 return -1;
594
595         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
596
597         internals->user_defined_primary_port = 1;
598         internals->primary_port = slave_port_id;
599
600         bond_ethdev_primary_set(internals, slave_port_id);
601
602         return 0;
603 }
604
605 int
606 rte_eth_bond_primary_get(uint8_t bonded_port_id)
607 {
608         struct bond_dev_private *internals;
609
610         if (valid_bonded_port_id(bonded_port_id) != 0)
611                 return -1;
612
613         internals = rte_eth_devices[bonded_port_id].data->dev_private;
614
615         if (internals->slave_count < 1)
616                 return -1;
617
618         return internals->current_primary_port;
619 }
620
621 int
622 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
623 {
624         struct bond_dev_private *internals;
625         uint8_t i;
626
627         if (valid_bonded_port_id(bonded_port_id) != 0)
628                 return -1;
629
630         if (slaves == NULL)
631                 return -1;
632
633         internals = rte_eth_devices[bonded_port_id].data->dev_private;
634
635         if (internals->slave_count > len)
636                 return -1;
637
638         for (i = 0; i < internals->slave_count; i++)
639                 slaves[i] = internals->slaves[i].port_id;
640
641         return internals->slave_count;
642 }
643
644 int
645 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
646                 uint8_t len)
647 {
648         struct bond_dev_private *internals;
649
650         if (valid_bonded_port_id(bonded_port_id) != 0)
651                 return -1;
652
653         if (slaves == NULL)
654                 return -1;
655
656         internals = rte_eth_devices[bonded_port_id].data->dev_private;
657
658         if (internals->active_slave_count > len)
659                 return -1;
660
661         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
662
663         return internals->active_slave_count;
664 }
665
666 int
667 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
668                 struct ether_addr *mac_addr)
669 {
670         struct rte_eth_dev *bonded_eth_dev;
671         struct bond_dev_private *internals;
672
673         if (valid_bonded_port_id(bonded_port_id) != 0)
674                 return -1;
675
676         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
677         internals = bonded_eth_dev->data->dev_private;
678
679         /* Set MAC Address of Bonded Device */
680         if (mac_address_set(bonded_eth_dev, mac_addr))
681                 return -1;
682
683         internals->user_defined_mac = 1;
684
685         /* Update all slave devices MACs*/
686         if (internals->slave_count > 0)
687                 return mac_address_slaves_update(bonded_eth_dev);
688
689         return 0;
690 }
691
692 int
693 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
694 {
695         struct rte_eth_dev *bonded_eth_dev;
696         struct bond_dev_private *internals;
697
698         if (valid_bonded_port_id(bonded_port_id) != 0)
699                 return -1;
700
701         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
702         internals = bonded_eth_dev->data->dev_private;
703
704         internals->user_defined_mac = 0;
705
706         if (internals->slave_count > 0) {
707                 /* Set MAC Address of Bonded Device */
708                 if (mac_address_set(bonded_eth_dev,
709                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
710                                 != 0) {
711                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
712                         return -1;
713                 }
714                 /* Update all slave devices MAC addresses */
715                 return mac_address_slaves_update(bonded_eth_dev);
716         }
717         /* No need to update anything as no slaves present */
718         return 0;
719 }
720
721 int
722 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
723 {
724         struct bond_dev_private *internals;
725
726         if (valid_bonded_port_id(bonded_port_id) != 0)
727                 return -1;
728
729         internals = rte_eth_devices[bonded_port_id].data->dev_private;
730
731         switch (policy) {
732         case BALANCE_XMIT_POLICY_LAYER2:
733                 internals->balance_xmit_policy = policy;
734                 internals->xmit_hash = xmit_l2_hash;
735                 break;
736         case BALANCE_XMIT_POLICY_LAYER23:
737                 internals->balance_xmit_policy = policy;
738                 internals->xmit_hash = xmit_l23_hash;
739                 break;
740         case BALANCE_XMIT_POLICY_LAYER34:
741                 internals->balance_xmit_policy = policy;
742                 internals->xmit_hash = xmit_l34_hash;
743                 break;
744
745         default:
746                 return -1;
747         }
748         return 0;
749 }
750
751 int
752 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
753 {
754         struct bond_dev_private *internals;
755
756         if (valid_bonded_port_id(bonded_port_id) != 0)
757                 return -1;
758
759         internals = rte_eth_devices[bonded_port_id].data->dev_private;
760
761         return internals->balance_xmit_policy;
762 }
763
764 int
765 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
766 {
767         struct bond_dev_private *internals;
768
769         if (valid_bonded_port_id(bonded_port_id) != 0)
770                 return -1;
771
772         internals = rte_eth_devices[bonded_port_id].data->dev_private;
773         internals->link_status_polling_interval_ms = internal_ms;
774
775         return 0;
776 }
777
778 int
779 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
780 {
781         struct bond_dev_private *internals;
782
783         if (valid_bonded_port_id(bonded_port_id) != 0)
784                 return -1;
785
786         internals = rte_eth_devices[bonded_port_id].data->dev_private;
787
788         return internals->link_status_polling_interval_ms;
789 }
790
791 int
792 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
793
794 {
795         struct bond_dev_private *internals;
796
797         if (valid_bonded_port_id(bonded_port_id) != 0)
798                 return -1;
799
800         internals = rte_eth_devices[bonded_port_id].data->dev_private;
801         internals->link_down_delay_ms = delay_ms;
802
803         return 0;
804 }
805
806 int
807 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
808 {
809         struct bond_dev_private *internals;
810
811         if (valid_bonded_port_id(bonded_port_id) != 0)
812                 return -1;
813
814         internals = rte_eth_devices[bonded_port_id].data->dev_private;
815
816         return internals->link_down_delay_ms;
817 }
818
819 int
820 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
821
822 {
823         struct bond_dev_private *internals;
824
825         if (valid_bonded_port_id(bonded_port_id) != 0)
826                 return -1;
827
828         internals = rte_eth_devices[bonded_port_id].data->dev_private;
829         internals->link_up_delay_ms = delay_ms;
830
831         return 0;
832 }
833
834 int
835 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
836 {
837         struct bond_dev_private *internals;
838
839         if (valid_bonded_port_id(bonded_port_id) != 0)
840                 return -1;
841
842         internals = rte_eth_devices[bonded_port_id].data->dev_private;
843
844         return internals->link_up_delay_ms;
845 }