Imported Upstream version 16.04
[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         if (!rte_eth_dev_is_valid_port(port_id))
64                 return -1;
65
66         return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
67 }
68
69 int
70 valid_slave_port_id(uint8_t port_id)
71 {
72         /* Verify that port id's are valid */
73         if (!rte_eth_dev_is_valid_port(port_id))
74                 return -1;
75
76         /* Verify that port_id refers to a non bonded port */
77         if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0)
78                 return -1;
79
80         return 0;
81 }
82
83 void
84 activate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
85 {
86         struct bond_dev_private *internals = eth_dev->data->dev_private;
87         uint8_t active_count = internals->active_slave_count;
88
89         if (internals->mode == BONDING_MODE_8023AD)
90                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
91
92         if (internals->mode == BONDING_MODE_TLB
93                         || internals->mode == BONDING_MODE_ALB) {
94
95                 internals->tlb_slaves_order[active_count] = port_id;
96         }
97
98         RTE_VERIFY(internals->active_slave_count <
99                         (RTE_DIM(internals->active_slaves) - 1));
100
101         internals->active_slaves[internals->active_slave_count] = port_id;
102         internals->active_slave_count++;
103
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);
108 }
109
110 void
111 deactivate_slave(struct rte_eth_dev *eth_dev, uint8_t port_id)
112 {
113         uint8_t slave_pos;
114         struct bond_dev_private *internals = eth_dev->data->dev_private;
115         uint8_t active_count = internals->active_slave_count;
116
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);
123
124         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
125                         port_id);
126
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) {
130                 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]));
135         }
136
137         RTE_VERIFY(active_count < RTE_DIM(internals->active_slaves));
138         internals->active_slave_count = active_count;
139
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);
148                 }
149         }
150 }
151
152 uint8_t
153 number_of_sockets(void)
154 {
155         int sockets = 0;
156         int i;
157         const struct rte_memseg *ms = rte_eal_get_physmem_layout();
158
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;
162         }
163
164         /* Number of sockets = maximum socket_id + 1 */
165         return ++sockets;
166 }
167
168 int
169 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
170 {
171         struct bond_dev_private *internals = NULL;
172         struct rte_eth_dev *eth_dev = NULL;
173
174         /* now do all data allocation - for eth_dev structure, dummy pci driver
175          * and internal (private) data
176          */
177
178         if (name == NULL) {
179                 RTE_BOND_LOG(ERR, "Invalid name specified");
180                 goto err;
181         }
182
183         if (socket_id >= number_of_sockets()) {
184                 RTE_BOND_LOG(ERR,
185                                 "Invalid socket id specified to create bonded device on.");
186                 goto err;
187         }
188
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");
192                 goto err;
193         }
194
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");
199                 goto err;
200         }
201
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;
205
206         TAILQ_INIT(&(eth_dev->link_intr_cbs));
207
208         eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
209
210         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
211                         socket_id);
212         if (eth_dev->data->mac_addrs == NULL) {
213                 RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
214                 goto err;
215         }
216
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;
221
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;
229
230         rte_spinlock_init(&internals->lock);
231
232         internals->port_id = eth_dev->data->port_id;
233         internals->mode = BONDING_MODE_INVALID;
234         internals->current_primary_port = RTE_MAX_ETHPORTS + 1;
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;
239
240         internals->link_status_polling_enabled = 0;
241
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;
245
246         internals->slave_count = 0;
247         internals->active_slave_count = 0;
248         internals->rx_offload_capa = 0;
249         internals->tx_offload_capa = 0;
250
251         /* Initially allow to choose any offload type */
252         internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
253
254         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
255         memset(internals->slaves, 0, sizeof(internals->slaves));
256
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);
262                 goto err;
263         }
264
265         return eth_dev->data->port_id;
266
267 err:
268         rte_free(internals);
269         if (eth_dev != NULL) {
270                 rte_free(eth_dev->data->mac_addrs);
271                 rte_eth_dev_release_port(eth_dev);
272         }
273         return -1;
274 }
275
276 int
277 rte_eth_bond_free(const char *name)
278 {
279         struct rte_eth_dev *eth_dev = NULL;
280         struct bond_dev_private *internals;
281
282         /* now free all data allocation - for eth_dev structure,
283          * dummy pci driver and internal (private) data
284          */
285
286         /* find an ethdev entry */
287         eth_dev = rte_eth_dev_allocated(name);
288         if (eth_dev == NULL)
289                 return -ENODEV;
290
291         internals = eth_dev->data->dev_private;
292         if (internals->slave_count != 0)
293                 return -EBUSY;
294
295         if (eth_dev->data->dev_started == 1) {
296                 bond_ethdev_stop(eth_dev);
297                 bond_ethdev_close(eth_dev);
298         }
299
300         eth_dev->dev_ops = NULL;
301         eth_dev->rx_pkt_burst = NULL;
302         eth_dev->tx_pkt_burst = NULL;
303
304         rte_free(eth_dev->data->dev_private);
305         rte_free(eth_dev->data->mac_addrs);
306
307         rte_eth_dev_release_port(eth_dev);
308
309         return 0;
310 }
311
312 static int
313 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
314 {
315         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
316         struct bond_dev_private *internals;
317         struct rte_eth_link link_props;
318         struct rte_eth_dev_info dev_info;
319
320         if (valid_slave_port_id(slave_port_id) != 0)
321                 return -1;
322
323         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
324         internals = bonded_eth_dev->data->dev_private;
325
326         slave_eth_dev = &rte_eth_devices[slave_port_id];
327         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
328                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
329                 return -1;
330         }
331
332         /* Add slave details to bonded device */
333         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
334         slave_add(internals, slave_eth_dev);
335
336         rte_eth_dev_info_get(slave_port_id, &dev_info);
337
338         /* We need to store slaves reta_size to be able to synchronize RETA for all
339          * slave devices even if its sizes are different.
340          */
341         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
342
343         if (internals->slave_count < 1) {
344                 /* if MAC is not user defined then use MAC of first slave add to
345                  * bonded device */
346                 if (!internals->user_defined_mac)
347                         mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
348
349                 /* Inherit eth dev link properties from first slave */
350                 link_properties_set(bonded_eth_dev,
351                                 &(slave_eth_dev->data->dev_link));
352
353                 /* Make primary slave */
354                 internals->primary_port = slave_port_id;
355                 internals->current_primary_port = slave_port_id;
356
357                 /* Inherit queues settings from first slave */
358                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
359                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
360
361                 internals->reta_size = dev_info.reta_size;
362
363                 /* Take the first dev's offload capabilities */
364                 internals->rx_offload_capa = dev_info.rx_offload_capa;
365                 internals->tx_offload_capa = dev_info.tx_offload_capa;
366                 internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
367
368         } else {
369                 /* Check slave link properties are supported if props are set,
370                  * all slaves must be the same */
371                 if (internals->link_props_set) {
372                         if (link_properties_valid(&(bonded_eth_dev->data->dev_link),
373                                                                           &(slave_eth_dev->data->dev_link))) {
374                                 slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
375                                 RTE_BOND_LOG(ERR,
376                                                 "Slave port %d link speed/duplex not supported",
377                                                 slave_port_id);
378                                 return -1;
379                         }
380                 } else {
381                         link_properties_set(bonded_eth_dev,
382                                         &(slave_eth_dev->data->dev_link));
383                 }
384                 internals->rx_offload_capa &= dev_info.rx_offload_capa;
385                 internals->tx_offload_capa &= dev_info.tx_offload_capa;
386                 internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
387
388                 /* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
389                  * the power of 2, the lower one is GCD
390                  */
391                 if (internals->reta_size > dev_info.reta_size)
392                         internals->reta_size = dev_info.reta_size;
393
394         }
395
396         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
397                         internals->flow_type_rss_offloads;
398
399         internals->slave_count++;
400
401         /* Update all slave devices MACs*/
402         mac_address_slaves_update(bonded_eth_dev);
403
404         if (bonded_eth_dev->data->dev_started) {
405                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
406                         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
407                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
408                                         slave_port_id);
409                         return -1;
410                 }
411         }
412
413         /* Register link status change callback with bonded device pointer as
414          * argument*/
415         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
416                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
417
418         /* If bonded device is started then we can add the slave to our active
419          * slave array */
420         if (bonded_eth_dev->data->dev_started) {
421                 rte_eth_link_get_nowait(slave_port_id, &link_props);
422
423                  if (link_props.link_status == ETH_LINK_UP) {
424                         if (internals->active_slave_count == 0 &&
425                             !internals->user_defined_primary_port)
426                                 bond_ethdev_primary_set(internals,
427                                                         slave_port_id);
428
429                         if (find_slave_by_id(internals->active_slaves,
430                                              internals->active_slave_count,
431                                              slave_port_id) == internals->active_slave_count)
432                                 activate_slave(bonded_eth_dev, slave_port_id);
433                 }
434         }
435         return 0;
436
437 }
438
439 int
440 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
441 {
442         struct rte_eth_dev *bonded_eth_dev;
443         struct bond_dev_private *internals;
444
445         int retval;
446
447         /* Verify that port id's are valid bonded and slave ports */
448         if (valid_bonded_port_id(bonded_port_id) != 0)
449                 return -1;
450
451         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
452         internals = bonded_eth_dev->data->dev_private;
453
454         rte_spinlock_lock(&internals->lock);
455
456         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
457
458         rte_spinlock_unlock(&internals->lock);
459
460         return retval;
461 }
462
463 static int
464 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
465 {
466         struct rte_eth_dev *bonded_eth_dev;
467         struct bond_dev_private *internals;
468         struct rte_eth_dev *slave_eth_dev;
469         int i, slave_idx;
470
471         if (valid_slave_port_id(slave_port_id) != 0)
472                 return -1;
473
474         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
475         internals = bonded_eth_dev->data->dev_private;
476
477         /* first remove from active slave list */
478         slave_idx = find_slave_by_id(internals->active_slaves,
479                 internals->active_slave_count, slave_port_id);
480
481         if (slave_idx < internals->active_slave_count)
482                 deactivate_slave(bonded_eth_dev, slave_port_id);
483
484         slave_idx = -1;
485         /* now find in slave list */
486         for (i = 0; i < internals->slave_count; i++)
487                 if (internals->slaves[i].port_id == slave_port_id) {
488                         slave_idx = i;
489                         break;
490                 }
491
492         if (slave_idx < 0) {
493                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
494                                 internals->slave_count);
495                 return -1;
496         }
497
498         /* Un-register link status change callback with bonded device pointer as
499          * argument*/
500         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
501                         bond_ethdev_lsc_event_callback,
502                         &rte_eth_devices[bonded_port_id].data->port_id);
503
504         /* Restore original MAC address of slave device */
505         mac_address_set(&rte_eth_devices[slave_port_id],
506                         &(internals->slaves[slave_idx].persisted_mac_addr));
507
508         slave_eth_dev = &rte_eth_devices[slave_port_id];
509         slave_remove(internals, slave_eth_dev);
510         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
511
512         /*  first slave in the active list will be the primary by default,
513          *  otherwise use first device in list */
514         if (internals->current_primary_port == slave_port_id) {
515                 if (internals->active_slave_count > 0)
516                         internals->current_primary_port = internals->active_slaves[0];
517                 else if (internals->slave_count > 0)
518                         internals->current_primary_port = internals->slaves[0].port_id;
519                 else
520                         internals->primary_port = 0;
521         }
522
523         if (internals->active_slave_count < 1) {
524                 /* reset device link properties as no slaves are active */
525                 link_properties_reset(&rte_eth_devices[bonded_port_id]);
526
527                 /* if no slaves are any longer attached to bonded device and MAC is not
528                  * user defined then clear MAC of bonded device as it will be reset
529                  * when a new slave is added */
530                 if (internals->slave_count < 1 && !internals->user_defined_mac)
531                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
532                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
533         }
534         if (internals->slave_count == 0) {
535                 internals->rx_offload_capa = 0;
536                 internals->tx_offload_capa = 0;
537                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
538                 internals->reta_size = 0;
539         }
540         return 0;
541 }
542
543 int
544 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
545 {
546         struct rte_eth_dev *bonded_eth_dev;
547         struct bond_dev_private *internals;
548         int retval;
549
550         if (valid_bonded_port_id(bonded_port_id) != 0)
551                 return -1;
552
553         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
554         internals = bonded_eth_dev->data->dev_private;
555
556         rte_spinlock_lock(&internals->lock);
557
558         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
559
560         rte_spinlock_unlock(&internals->lock);
561
562         return retval;
563 }
564
565 int
566 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
567 {
568         if (valid_bonded_port_id(bonded_port_id) != 0)
569                 return -1;
570
571         return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
572 }
573
574 int
575 rte_eth_bond_mode_get(uint8_t bonded_port_id)
576 {
577         struct bond_dev_private *internals;
578
579         if (valid_bonded_port_id(bonded_port_id) != 0)
580                 return -1;
581
582         internals = rte_eth_devices[bonded_port_id].data->dev_private;
583
584         return internals->mode;
585 }
586
587 int
588 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
589 {
590         struct bond_dev_private *internals;
591
592         if (valid_bonded_port_id(bonded_port_id) != 0)
593                 return -1;
594
595         if (valid_slave_port_id(slave_port_id) != 0)
596                 return -1;
597
598         internals =  rte_eth_devices[bonded_port_id].data->dev_private;
599
600         internals->user_defined_primary_port = 1;
601         internals->primary_port = slave_port_id;
602
603         bond_ethdev_primary_set(internals, slave_port_id);
604
605         return 0;
606 }
607
608 int
609 rte_eth_bond_primary_get(uint8_t bonded_port_id)
610 {
611         struct bond_dev_private *internals;
612
613         if (valid_bonded_port_id(bonded_port_id) != 0)
614                 return -1;
615
616         internals = rte_eth_devices[bonded_port_id].data->dev_private;
617
618         if (internals->slave_count < 1)
619                 return -1;
620
621         return internals->current_primary_port;
622 }
623
624 int
625 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
626 {
627         struct bond_dev_private *internals;
628         uint8_t i;
629
630         if (valid_bonded_port_id(bonded_port_id) != 0)
631                 return -1;
632
633         if (slaves == NULL)
634                 return -1;
635
636         internals = rte_eth_devices[bonded_port_id].data->dev_private;
637
638         if (internals->slave_count > len)
639                 return -1;
640
641         for (i = 0; i < internals->slave_count; i++)
642                 slaves[i] = internals->slaves[i].port_id;
643
644         return internals->slave_count;
645 }
646
647 int
648 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
649                 uint8_t len)
650 {
651         struct bond_dev_private *internals;
652
653         if (valid_bonded_port_id(bonded_port_id) != 0)
654                 return -1;
655
656         if (slaves == NULL)
657                 return -1;
658
659         internals = rte_eth_devices[bonded_port_id].data->dev_private;
660
661         if (internals->active_slave_count > len)
662                 return -1;
663
664         memcpy(slaves, internals->active_slaves, internals->active_slave_count);
665
666         return internals->active_slave_count;
667 }
668
669 int
670 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
671                 struct ether_addr *mac_addr)
672 {
673         struct rte_eth_dev *bonded_eth_dev;
674         struct bond_dev_private *internals;
675
676         if (valid_bonded_port_id(bonded_port_id) != 0)
677                 return -1;
678
679         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
680         internals = bonded_eth_dev->data->dev_private;
681
682         /* Set MAC Address of Bonded Device */
683         if (mac_address_set(bonded_eth_dev, mac_addr))
684                 return -1;
685
686         internals->user_defined_mac = 1;
687
688         /* Update all slave devices MACs*/
689         if (internals->slave_count > 0)
690                 return mac_address_slaves_update(bonded_eth_dev);
691
692         return 0;
693 }
694
695 int
696 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
697 {
698         struct rte_eth_dev *bonded_eth_dev;
699         struct bond_dev_private *internals;
700
701         if (valid_bonded_port_id(bonded_port_id) != 0)
702                 return -1;
703
704         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
705         internals = bonded_eth_dev->data->dev_private;
706
707         internals->user_defined_mac = 0;
708
709         if (internals->slave_count > 0) {
710                 /* Set MAC Address of Bonded Device */
711                 if (mac_address_set(bonded_eth_dev,
712                                 &internals->slaves[internals->primary_port].persisted_mac_addr)
713                                 != 0) {
714                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
715                         return -1;
716                 }
717                 /* Update all slave devices MAC addresses */
718                 return mac_address_slaves_update(bonded_eth_dev);
719         }
720         /* No need to update anything as no slaves present */
721         return 0;
722 }
723
724 int
725 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
726 {
727         struct bond_dev_private *internals;
728
729         if (valid_bonded_port_id(bonded_port_id) != 0)
730                 return -1;
731
732         internals = rte_eth_devices[bonded_port_id].data->dev_private;
733
734         switch (policy) {
735         case BALANCE_XMIT_POLICY_LAYER2:
736                 internals->balance_xmit_policy = policy;
737                 internals->xmit_hash = xmit_l2_hash;
738                 break;
739         case BALANCE_XMIT_POLICY_LAYER23:
740                 internals->balance_xmit_policy = policy;
741                 internals->xmit_hash = xmit_l23_hash;
742                 break;
743         case BALANCE_XMIT_POLICY_LAYER34:
744                 internals->balance_xmit_policy = policy;
745                 internals->xmit_hash = xmit_l34_hash;
746                 break;
747
748         default:
749                 return -1;
750         }
751         return 0;
752 }
753
754 int
755 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
756 {
757         struct bond_dev_private *internals;
758
759         if (valid_bonded_port_id(bonded_port_id) != 0)
760                 return -1;
761
762         internals = rte_eth_devices[bonded_port_id].data->dev_private;
763
764         return internals->balance_xmit_policy;
765 }
766
767 int
768 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
769 {
770         struct bond_dev_private *internals;
771
772         if (valid_bonded_port_id(bonded_port_id) != 0)
773                 return -1;
774
775         internals = rte_eth_devices[bonded_port_id].data->dev_private;
776         internals->link_status_polling_interval_ms = internal_ms;
777
778         return 0;
779 }
780
781 int
782 rte_eth_bond_link_monitoring_get(uint8_t bonded_port_id)
783 {
784         struct bond_dev_private *internals;
785
786         if (valid_bonded_port_id(bonded_port_id) != 0)
787                 return -1;
788
789         internals = rte_eth_devices[bonded_port_id].data->dev_private;
790
791         return internals->link_status_polling_interval_ms;
792 }
793
794 int
795 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
796
797 {
798         struct bond_dev_private *internals;
799
800         if (valid_bonded_port_id(bonded_port_id) != 0)
801                 return -1;
802
803         internals = rte_eth_devices[bonded_port_id].data->dev_private;
804         internals->link_down_delay_ms = delay_ms;
805
806         return 0;
807 }
808
809 int
810 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
811 {
812         struct bond_dev_private *internals;
813
814         if (valid_bonded_port_id(bonded_port_id) != 0)
815                 return -1;
816
817         internals = rte_eth_devices[bonded_port_id].data->dev_private;
818
819         return internals->link_down_delay_ms;
820 }
821
822 int
823 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
824
825 {
826         struct bond_dev_private *internals;
827
828         if (valid_bonded_port_id(bonded_port_id) != 0)
829                 return -1;
830
831         internals = rte_eth_devices[bonded_port_id].data->dev_private;
832         internals->link_up_delay_ms = delay_ms;
833
834         return 0;
835 }
836
837 int
838 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
839 {
840         struct bond_dev_private *internals;
841
842         if (valid_bonded_port_id(bonded_port_id) != 0)
843                 return -1;
844
845         internals = rte_eth_devices[bonded_port_id].data->dev_private;
846
847         return internals->link_up_delay_ms;
848 }