net/bonding: check status of getting ethdev info
[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 == NULL ||
23                 eth_dev->device == NULL ||
24                 eth_dev->device->driver == NULL ||
25                 eth_dev->device->driver->name == NULL)
26                 return -1;
27
28         /* return 0 if driver name matches */
29         return eth_dev->device->driver->name != pmd_bond_drv.driver.name;
30 }
31
32 int
33 valid_bonded_port_id(uint16_t port_id)
34 {
35         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
36         return check_for_bonded_ethdev(&rte_eth_devices[port_id]);
37 }
38
39 int
40 check_for_master_bonded_ethdev(const struct rte_eth_dev *eth_dev)
41 {
42         int i;
43         struct bond_dev_private *internals;
44
45         if (check_for_bonded_ethdev(eth_dev) != 0)
46                 return 0;
47
48         internals = eth_dev->data->dev_private;
49
50         /* Check if any of slave devices is a bonded device */
51         for (i = 0; i < internals->slave_count; i++)
52                 if (valid_bonded_port_id(internals->slaves[i].port_id) == 0)
53                         return 1;
54
55         return 0;
56 }
57
58 int
59 valid_slave_port_id(uint16_t port_id, uint8_t mode)
60 {
61         RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -1);
62
63         /* Verify that port_id refers to a non bonded port */
64         if (check_for_bonded_ethdev(&rte_eth_devices[port_id]) == 0 &&
65                         mode == BONDING_MODE_8023AD) {
66                 RTE_BOND_LOG(ERR, "Cannot add slave to bonded device in 802.3ad"
67                                 " mode as slave is also a bonded device, only "
68                                 "physical devices can be support in this mode.");
69                 return -1;
70         }
71
72         return 0;
73 }
74
75 void
76 activate_slave(struct rte_eth_dev *eth_dev, uint16_t port_id)
77 {
78         struct bond_dev_private *internals = eth_dev->data->dev_private;
79         uint16_t active_count = internals->active_slave_count;
80
81         if (internals->mode == BONDING_MODE_8023AD)
82                 bond_mode_8023ad_activate_slave(eth_dev, port_id);
83
84         if (internals->mode == BONDING_MODE_TLB
85                         || internals->mode == BONDING_MODE_ALB) {
86
87                 internals->tlb_slaves_order[active_count] = port_id;
88         }
89
90         RTE_ASSERT(internals->active_slave_count <
91                         (RTE_DIM(internals->active_slaves) - 1));
92
93         internals->active_slaves[internals->active_slave_count] = port_id;
94         internals->active_slave_count++;
95
96         if (internals->mode == BONDING_MODE_TLB)
97                 bond_tlb_activate_slave(internals);
98         if (internals->mode == BONDING_MODE_ALB)
99                 bond_mode_alb_client_list_upd(eth_dev);
100 }
101
102 void
103 deactivate_slave(struct rte_eth_dev *eth_dev, uint16_t port_id)
104 {
105         uint16_t slave_pos;
106         struct bond_dev_private *internals = eth_dev->data->dev_private;
107         uint16_t active_count = internals->active_slave_count;
108
109         if (internals->mode == BONDING_MODE_8023AD) {
110                 bond_mode_8023ad_stop(eth_dev);
111                 bond_mode_8023ad_deactivate_slave(eth_dev, port_id);
112         } else if (internals->mode == BONDING_MODE_TLB
113                         || internals->mode == BONDING_MODE_ALB)
114                 bond_tlb_disable(internals);
115
116         slave_pos = find_slave_by_id(internals->active_slaves, active_count,
117                         port_id);
118
119         /* If slave was not at the end of the list
120          * shift active slaves up active array list */
121         if (slave_pos < active_count) {
122                 active_count--;
123                 memmove(internals->active_slaves + slave_pos,
124                                 internals->active_slaves + slave_pos + 1,
125                                 (active_count - slave_pos) *
126                                         sizeof(internals->active_slaves[0]));
127         }
128
129         RTE_ASSERT(active_count < RTE_DIM(internals->active_slaves));
130         internals->active_slave_count = active_count;
131
132         /* Resetting active_slave when reaches to max
133          * no of slaves in active list
134          */
135         if (internals->active_slave >= active_count)
136                 internals->active_slave = 0;
137
138         if (eth_dev->data->dev_started) {
139                 if (internals->mode == BONDING_MODE_8023AD) {
140                         bond_mode_8023ad_start(eth_dev);
141                 } else if (internals->mode == BONDING_MODE_TLB) {
142                         bond_tlb_enable(internals);
143                 } else if (internals->mode == BONDING_MODE_ALB) {
144                         bond_tlb_enable(internals);
145                         bond_mode_alb_client_list_upd(eth_dev);
146                 }
147         }
148 }
149
150 int
151 rte_eth_bond_create(const char *name, uint8_t mode, uint8_t socket_id)
152 {
153         struct bond_dev_private *internals;
154         char devargs[52];
155         uint16_t port_id;
156         int ret;
157
158         if (name == NULL) {
159                 RTE_BOND_LOG(ERR, "Invalid name specified");
160                 return -EINVAL;
161         }
162
163         ret = snprintf(devargs, sizeof(devargs),
164                 "driver=net_bonding,mode=%d,socket_id=%d", mode, socket_id);
165         if (ret < 0 || ret >= (int)sizeof(devargs))
166                 return -ENOMEM;
167
168         ret = rte_vdev_init(name, devargs);
169         if (ret)
170                 return -ENOMEM;
171
172         ret = rte_eth_dev_get_port_by_name(name, &port_id);
173         RTE_ASSERT(!ret);
174
175         /*
176          * To make bond_ethdev_configure() happy we need to free the
177          * internals->kvlist here.
178          *
179          * Also see comment in bond_ethdev_configure().
180          */
181         internals = rte_eth_devices[port_id].data->dev_private;
182         rte_kvargs_free(internals->kvlist);
183         internals->kvlist = NULL;
184
185         return port_id;
186 }
187
188 int
189 rte_eth_bond_free(const char *name)
190 {
191         return rte_vdev_uninit(name);
192 }
193
194 static int
195 slave_vlan_filter_set(uint16_t bonded_port_id, uint16_t slave_port_id)
196 {
197         struct rte_eth_dev *bonded_eth_dev;
198         struct bond_dev_private *internals;
199         int found;
200         int res = 0;
201         uint64_t slab = 0;
202         uint32_t pos = 0;
203         uint16_t first;
204
205         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
206         if ((bonded_eth_dev->data->dev_conf.rxmode.offloads &
207                         DEV_RX_OFFLOAD_VLAN_FILTER) == 0)
208                 return 0;
209
210         internals = bonded_eth_dev->data->dev_private;
211         found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
212         first = pos;
213
214         if (!found)
215                 return 0;
216
217         do {
218                 uint32_t i;
219                 uint64_t mask;
220
221                 for (i = 0, mask = 1;
222                      i < RTE_BITMAP_SLAB_BIT_SIZE;
223                      i ++, mask <<= 1) {
224                         if (unlikely(slab & mask)) {
225                                 uint16_t vlan_id = pos + i;
226
227                                 res = rte_eth_dev_vlan_filter(slave_port_id,
228                                                               vlan_id, 1);
229                         }
230                 }
231                 found = rte_bitmap_scan(internals->vlan_filter_bmp,
232                                         &pos, &slab);
233         } while (found && first != pos && res == 0);
234
235         return res;
236 }
237
238 static int
239 slave_rte_flow_prepare(uint16_t slave_id, struct bond_dev_private *internals)
240 {
241         struct rte_flow *flow;
242         struct rte_flow_error ferror;
243         uint16_t slave_port_id = internals->slaves[slave_id].port_id;
244
245         if (internals->flow_isolated_valid != 0) {
246                 rte_eth_dev_stop(slave_port_id);
247                 if (rte_flow_isolate(slave_port_id, internals->flow_isolated,
248                     &ferror)) {
249                         RTE_BOND_LOG(ERR, "rte_flow_isolate failed for slave"
250                                      " %d: %s", slave_id, ferror.message ?
251                                      ferror.message : "(no stated reason)");
252                         return -1;
253                 }
254         }
255         TAILQ_FOREACH(flow, &internals->flow_list, next) {
256                 flow->flows[slave_id] = rte_flow_create(slave_port_id,
257                                                         flow->rule.attr,
258                                                         flow->rule.pattern,
259                                                         flow->rule.actions,
260                                                         &ferror);
261                 if (flow->flows[slave_id] == NULL) {
262                         RTE_BOND_LOG(ERR, "Cannot create flow for slave"
263                                      " %d: %s", slave_id,
264                                      ferror.message ? ferror.message :
265                                      "(no stated reason)");
266                         /* Destroy successful bond flows from the slave */
267                         TAILQ_FOREACH(flow, &internals->flow_list, next) {
268                                 if (flow->flows[slave_id] != NULL) {
269                                         rte_flow_destroy(slave_port_id,
270                                                          flow->flows[slave_id],
271                                                          &ferror);
272                                         flow->flows[slave_id] = NULL;
273                                 }
274                         }
275                         return -1;
276                 }
277         }
278         return 0;
279 }
280
281 static void
282 eth_bond_slave_inherit_dev_info_rx_first(struct bond_dev_private *internals,
283                                          const struct rte_eth_dev_info *di)
284 {
285         struct rte_eth_rxconf *rxconf_i = &internals->default_rxconf;
286
287         internals->reta_size = di->reta_size;
288
289         /* Inherit Rx offload capabilities from the first slave device */
290         internals->rx_offload_capa = di->rx_offload_capa;
291         internals->rx_queue_offload_capa = di->rx_queue_offload_capa;
292         internals->flow_type_rss_offloads = di->flow_type_rss_offloads;
293
294         /* Inherit maximum Rx packet size from the first slave device */
295         internals->candidate_max_rx_pktlen = di->max_rx_pktlen;
296
297         /* Inherit default Rx queue settings from the first slave device */
298         memcpy(rxconf_i, &di->default_rxconf, sizeof(*rxconf_i));
299
300         /*
301          * Turn off descriptor prefetch and writeback by default for all
302          * slave devices. Applications may tweak this setting if need be.
303          */
304         rxconf_i->rx_thresh.pthresh = 0;
305         rxconf_i->rx_thresh.hthresh = 0;
306         rxconf_i->rx_thresh.wthresh = 0;
307
308         /* Setting this to zero should effectively enable default values */
309         rxconf_i->rx_free_thresh = 0;
310
311         /* Disable deferred start by default for all slave devices */
312         rxconf_i->rx_deferred_start = 0;
313 }
314
315 static void
316 eth_bond_slave_inherit_dev_info_tx_first(struct bond_dev_private *internals,
317                                          const struct rte_eth_dev_info *di)
318 {
319         struct rte_eth_txconf *txconf_i = &internals->default_txconf;
320
321         /* Inherit Tx offload capabilities from the first slave device */
322         internals->tx_offload_capa = di->tx_offload_capa;
323         internals->tx_queue_offload_capa = di->tx_queue_offload_capa;
324
325         /* Inherit default Tx queue settings from the first slave device */
326         memcpy(txconf_i, &di->default_txconf, sizeof(*txconf_i));
327
328         /*
329          * Turn off descriptor prefetch and writeback by default for all
330          * slave devices. Applications may tweak this setting if need be.
331          */
332         txconf_i->tx_thresh.pthresh = 0;
333         txconf_i->tx_thresh.hthresh = 0;
334         txconf_i->tx_thresh.wthresh = 0;
335
336         /*
337          * Setting these parameters to zero assumes that default
338          * values will be configured implicitly by slave devices.
339          */
340         txconf_i->tx_free_thresh = 0;
341         txconf_i->tx_rs_thresh = 0;
342
343         /* Disable deferred start by default for all slave devices */
344         txconf_i->tx_deferred_start = 0;
345 }
346
347 static void
348 eth_bond_slave_inherit_dev_info_rx_next(struct bond_dev_private *internals,
349                                         const struct rte_eth_dev_info *di)
350 {
351         struct rte_eth_rxconf *rxconf_i = &internals->default_rxconf;
352         const struct rte_eth_rxconf *rxconf = &di->default_rxconf;
353
354         internals->rx_offload_capa &= di->rx_offload_capa;
355         internals->rx_queue_offload_capa &= di->rx_queue_offload_capa;
356         internals->flow_type_rss_offloads &= di->flow_type_rss_offloads;
357
358         /*
359          * If at least one slave device suggests enabling this
360          * setting by default, enable it for all slave devices
361          * since disabling it may not be necessarily supported.
362          */
363         if (rxconf->rx_drop_en == 1)
364                 rxconf_i->rx_drop_en = 1;
365
366         /*
367          * Adding a new slave device may cause some of previously inherited
368          * offloads to be withdrawn from the internal rx_queue_offload_capa
369          * value. Thus, the new internal value of default Rx queue offloads
370          * has to be masked by rx_queue_offload_capa to make sure that only
371          * commonly supported offloads are preserved from both the previous
372          * value and the value being inhereted from the new slave device.
373          */
374         rxconf_i->offloads = (rxconf_i->offloads | rxconf->offloads) &
375                              internals->rx_queue_offload_capa;
376
377         /*
378          * RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
379          * the power of 2, the lower one is GCD
380          */
381         if (internals->reta_size > di->reta_size)
382                 internals->reta_size = di->reta_size;
383
384         if (!internals->max_rx_pktlen &&
385             di->max_rx_pktlen < internals->candidate_max_rx_pktlen)
386                 internals->candidate_max_rx_pktlen = di->max_rx_pktlen;
387 }
388
389 static void
390 eth_bond_slave_inherit_dev_info_tx_next(struct bond_dev_private *internals,
391                                         const struct rte_eth_dev_info *di)
392 {
393         struct rte_eth_txconf *txconf_i = &internals->default_txconf;
394         const struct rte_eth_txconf *txconf = &di->default_txconf;
395
396         internals->tx_offload_capa &= di->tx_offload_capa;
397         internals->tx_queue_offload_capa &= di->tx_queue_offload_capa;
398
399         /*
400          * Adding a new slave device may cause some of previously inherited
401          * offloads to be withdrawn from the internal tx_queue_offload_capa
402          * value. Thus, the new internal value of default Tx queue offloads
403          * has to be masked by tx_queue_offload_capa to make sure that only
404          * commonly supported offloads are preserved from both the previous
405          * value and the value being inhereted from the new slave device.
406          */
407         txconf_i->offloads = (txconf_i->offloads | txconf->offloads) &
408                              internals->tx_queue_offload_capa;
409 }
410
411 static void
412 eth_bond_slave_inherit_desc_lim_first(struct rte_eth_desc_lim *bond_desc_lim,
413                 const struct rte_eth_desc_lim *slave_desc_lim)
414 {
415         memcpy(bond_desc_lim, slave_desc_lim, sizeof(*bond_desc_lim));
416 }
417
418 static int
419 eth_bond_slave_inherit_desc_lim_next(struct rte_eth_desc_lim *bond_desc_lim,
420                 const struct rte_eth_desc_lim *slave_desc_lim)
421 {
422         bond_desc_lim->nb_max = RTE_MIN(bond_desc_lim->nb_max,
423                                         slave_desc_lim->nb_max);
424         bond_desc_lim->nb_min = RTE_MAX(bond_desc_lim->nb_min,
425                                         slave_desc_lim->nb_min);
426         bond_desc_lim->nb_align = RTE_MAX(bond_desc_lim->nb_align,
427                                           slave_desc_lim->nb_align);
428
429         if (bond_desc_lim->nb_min > bond_desc_lim->nb_max ||
430             bond_desc_lim->nb_align > bond_desc_lim->nb_max) {
431                 RTE_BOND_LOG(ERR, "Failed to inherit descriptor limits");
432                 return -EINVAL;
433         }
434
435         /* Treat maximum number of segments equal to 0 as unspecified */
436         if (slave_desc_lim->nb_seg_max != 0 &&
437             (bond_desc_lim->nb_seg_max == 0 ||
438              slave_desc_lim->nb_seg_max < bond_desc_lim->nb_seg_max))
439                 bond_desc_lim->nb_seg_max = slave_desc_lim->nb_seg_max;
440         if (slave_desc_lim->nb_mtu_seg_max != 0 &&
441             (bond_desc_lim->nb_mtu_seg_max == 0 ||
442              slave_desc_lim->nb_mtu_seg_max < bond_desc_lim->nb_mtu_seg_max))
443                 bond_desc_lim->nb_mtu_seg_max = slave_desc_lim->nb_mtu_seg_max;
444
445         return 0;
446 }
447
448 static int
449 __eth_bond_slave_add_lock_free(uint16_t bonded_port_id, uint16_t slave_port_id)
450 {
451         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
452         struct bond_dev_private *internals;
453         struct rte_eth_link link_props;
454         struct rte_eth_dev_info dev_info;
455         int ret;
456
457         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
458         internals = bonded_eth_dev->data->dev_private;
459
460         if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
461                 return -1;
462
463         slave_eth_dev = &rte_eth_devices[slave_port_id];
464         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
465                 RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
466                 return -1;
467         }
468
469         ret = rte_eth_dev_info_get(slave_port_id, &dev_info);
470         if (ret != 0) {
471                 RTE_BOND_LOG(ERR,
472                         "%s: Error during getting device (port %u) info: %s\n",
473                         __func__, slave_port_id, strerror(-ret));
474
475                 return ret;
476         }
477         if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
478                 RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
479                              slave_port_id);
480                 return -1;
481         }
482
483         slave_add(internals, slave_eth_dev);
484
485         /* We need to store slaves reta_size to be able to synchronize RETA for all
486          * slave devices even if its sizes are different.
487          */
488         internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
489
490         if (internals->slave_count < 1) {
491                 /* if MAC is not user defined then use MAC of first slave add to
492                  * bonded device */
493                 if (!internals->user_defined_mac) {
494                         if (mac_address_set(bonded_eth_dev,
495                                             slave_eth_dev->data->mac_addrs)) {
496                                 RTE_BOND_LOG(ERR, "Failed to set MAC address");
497                                 return -1;
498                         }
499                 }
500
501                 /* Make primary slave */
502                 internals->primary_port = slave_port_id;
503                 internals->current_primary_port = slave_port_id;
504
505                 /* Inherit queues settings from first slave */
506                 internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
507                 internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
508
509                 eth_bond_slave_inherit_dev_info_rx_first(internals, &dev_info);
510                 eth_bond_slave_inherit_dev_info_tx_first(internals, &dev_info);
511
512                 eth_bond_slave_inherit_desc_lim_first(&internals->rx_desc_lim,
513                                                       &dev_info.rx_desc_lim);
514                 eth_bond_slave_inherit_desc_lim_first(&internals->tx_desc_lim,
515                                                       &dev_info.tx_desc_lim);
516         } else {
517                 int ret;
518
519                 eth_bond_slave_inherit_dev_info_rx_next(internals, &dev_info);
520                 eth_bond_slave_inherit_dev_info_tx_next(internals, &dev_info);
521
522                 ret = eth_bond_slave_inherit_desc_lim_next(
523                                 &internals->rx_desc_lim, &dev_info.rx_desc_lim);
524                 if (ret != 0)
525                         return ret;
526
527                 ret = eth_bond_slave_inherit_desc_lim_next(
528                                 &internals->tx_desc_lim, &dev_info.tx_desc_lim);
529                 if (ret != 0)
530                         return ret;
531         }
532
533         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
534                         internals->flow_type_rss_offloads;
535
536         if (slave_rte_flow_prepare(internals->slave_count, internals) != 0) {
537                 RTE_BOND_LOG(ERR, "Failed to prepare new slave flows: port=%d",
538                              slave_port_id);
539                 return -1;
540         }
541
542         /* Add additional MAC addresses to the slave */
543         if (slave_add_mac_addresses(bonded_eth_dev, slave_port_id) != 0) {
544                 RTE_BOND_LOG(ERR, "Failed to add mac address(es) to slave %hu",
545                                 slave_port_id);
546                 return -1;
547         }
548
549         internals->slave_count++;
550
551         if (bonded_eth_dev->data->dev_started) {
552                 if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
553                         internals->slave_count--;
554                         RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
555                                         slave_port_id);
556                         return -1;
557                 }
558         }
559
560         /* Add slave details to bonded device */
561         slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
562
563         /* Update all slave devices MACs */
564         mac_address_slaves_update(bonded_eth_dev);
565
566         /* Register link status change callback with bonded device pointer as
567          * argument*/
568         rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
569                         bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
570
571         /* If bonded device is started then we can add the slave to our active
572          * slave array */
573         if (bonded_eth_dev->data->dev_started) {
574                 rte_eth_link_get_nowait(slave_port_id, &link_props);
575
576                  if (link_props.link_status == ETH_LINK_UP) {
577                         if (internals->active_slave_count == 0 &&
578                             !internals->user_defined_primary_port)
579                                 bond_ethdev_primary_set(internals,
580                                                         slave_port_id);
581                 }
582         }
583
584         slave_vlan_filter_set(bonded_port_id, slave_port_id);
585
586         return 0;
587
588 }
589
590 int
591 rte_eth_bond_slave_add(uint16_t bonded_port_id, uint16_t slave_port_id)
592 {
593         struct rte_eth_dev *bonded_eth_dev;
594         struct bond_dev_private *internals;
595
596         int retval;
597
598         /* Verify that port id's are valid bonded and slave ports */
599         if (valid_bonded_port_id(bonded_port_id) != 0)
600                 return -1;
601
602         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
603         internals = bonded_eth_dev->data->dev_private;
604
605         rte_spinlock_lock(&internals->lock);
606
607         retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
608
609         rte_spinlock_unlock(&internals->lock);
610
611         return retval;
612 }
613
614 static int
615 __eth_bond_slave_remove_lock_free(uint16_t bonded_port_id,
616                                    uint16_t slave_port_id)
617 {
618         struct rte_eth_dev *bonded_eth_dev;
619         struct bond_dev_private *internals;
620         struct rte_eth_dev *slave_eth_dev;
621         struct rte_flow_error flow_error;
622         struct rte_flow *flow;
623         int i, slave_idx;
624
625         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
626         internals = bonded_eth_dev->data->dev_private;
627
628         if (valid_slave_port_id(slave_port_id, internals->mode) < 0)
629                 return -1;
630
631         /* first remove from active slave list */
632         slave_idx = find_slave_by_id(internals->active_slaves,
633                 internals->active_slave_count, slave_port_id);
634
635         if (slave_idx < internals->active_slave_count)
636                 deactivate_slave(bonded_eth_dev, slave_port_id);
637
638         slave_idx = -1;
639         /* now find in slave list */
640         for (i = 0; i < internals->slave_count; i++)
641                 if (internals->slaves[i].port_id == slave_port_id) {
642                         slave_idx = i;
643                         break;
644                 }
645
646         if (slave_idx < 0) {
647                 RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
648                                 internals->slave_count);
649                 return -1;
650         }
651
652         /* Un-register link status change callback with bonded device pointer as
653          * argument*/
654         rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
655                         bond_ethdev_lsc_event_callback,
656                         &rte_eth_devices[bonded_port_id].data->port_id);
657
658         /* Restore original MAC address of slave device */
659         rte_eth_dev_default_mac_addr_set(slave_port_id,
660                         &(internals->slaves[slave_idx].persisted_mac_addr));
661
662         /* remove additional MAC addresses from the slave */
663         slave_remove_mac_addresses(bonded_eth_dev, slave_port_id);
664
665         /*
666          * Remove bond device flows from slave device.
667          * Note: don't restore flow isolate mode.
668          */
669         TAILQ_FOREACH(flow, &internals->flow_list, next) {
670                 if (flow->flows[slave_idx] != NULL) {
671                         rte_flow_destroy(slave_port_id, flow->flows[slave_idx],
672                                          &flow_error);
673                         flow->flows[slave_idx] = NULL;
674                 }
675         }
676
677         slave_eth_dev = &rte_eth_devices[slave_port_id];
678         slave_remove(internals, slave_eth_dev);
679         slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
680
681         /*  first slave in the active list will be the primary by default,
682          *  otherwise use first device in list */
683         if (internals->current_primary_port == slave_port_id) {
684                 if (internals->active_slave_count > 0)
685                         internals->current_primary_port = internals->active_slaves[0];
686                 else if (internals->slave_count > 0)
687                         internals->current_primary_port = internals->slaves[0].port_id;
688                 else
689                         internals->primary_port = 0;
690         }
691
692         if (internals->active_slave_count < 1) {
693                 /* if no slaves are any longer attached to bonded device and MAC is not
694                  * user defined then clear MAC of bonded device as it will be reset
695                  * when a new slave is added */
696                 if (internals->slave_count < 1 && !internals->user_defined_mac)
697                         memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
698                                         sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
699         }
700         if (internals->slave_count == 0) {
701                 internals->rx_offload_capa = 0;
702                 internals->tx_offload_capa = 0;
703                 internals->rx_queue_offload_capa = 0;
704                 internals->tx_queue_offload_capa = 0;
705                 internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
706                 internals->reta_size = 0;
707                 internals->candidate_max_rx_pktlen = 0;
708                 internals->max_rx_pktlen = 0;
709         }
710         return 0;
711 }
712
713 int
714 rte_eth_bond_slave_remove(uint16_t bonded_port_id, uint16_t slave_port_id)
715 {
716         struct rte_eth_dev *bonded_eth_dev;
717         struct bond_dev_private *internals;
718         int retval;
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         rte_spinlock_lock(&internals->lock);
727
728         retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
729
730         rte_spinlock_unlock(&internals->lock);
731
732         return retval;
733 }
734
735 int
736 rte_eth_bond_mode_set(uint16_t bonded_port_id, uint8_t mode)
737 {
738         struct rte_eth_dev *bonded_eth_dev;
739
740         if (valid_bonded_port_id(bonded_port_id) != 0)
741                 return -1;
742
743         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
744
745         if (check_for_master_bonded_ethdev(bonded_eth_dev) != 0 &&
746                         mode == BONDING_MODE_8023AD)
747                 return -1;
748
749         return bond_ethdev_mode_set(bonded_eth_dev, mode);
750 }
751
752 int
753 rte_eth_bond_mode_get(uint16_t bonded_port_id)
754 {
755         struct bond_dev_private *internals;
756
757         if (valid_bonded_port_id(bonded_port_id) != 0)
758                 return -1;
759
760         internals = rte_eth_devices[bonded_port_id].data->dev_private;
761
762         return internals->mode;
763 }
764
765 int
766 rte_eth_bond_primary_set(uint16_t bonded_port_id, uint16_t slave_port_id)
767 {
768         struct bond_dev_private *internals;
769
770         if (valid_bonded_port_id(bonded_port_id) != 0)
771                 return -1;
772
773         internals = rte_eth_devices[bonded_port_id].data->dev_private;
774
775         if (valid_slave_port_id(slave_port_id, internals->mode) != 0)
776                 return -1;
777
778         internals->user_defined_primary_port = 1;
779         internals->primary_port = slave_port_id;
780
781         bond_ethdev_primary_set(internals, slave_port_id);
782
783         return 0;
784 }
785
786 int
787 rte_eth_bond_primary_get(uint16_t bonded_port_id)
788 {
789         struct bond_dev_private *internals;
790
791         if (valid_bonded_port_id(bonded_port_id) != 0)
792                 return -1;
793
794         internals = rte_eth_devices[bonded_port_id].data->dev_private;
795
796         if (internals->slave_count < 1)
797                 return -1;
798
799         return internals->current_primary_port;
800 }
801
802 int
803 rte_eth_bond_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
804                         uint16_t len)
805 {
806         struct bond_dev_private *internals;
807         uint16_t i;
808
809         if (valid_bonded_port_id(bonded_port_id) != 0)
810                 return -1;
811
812         if (slaves == NULL)
813                 return -1;
814
815         internals = rte_eth_devices[bonded_port_id].data->dev_private;
816
817         if (internals->slave_count > len)
818                 return -1;
819
820         for (i = 0; i < internals->slave_count; i++)
821                 slaves[i] = internals->slaves[i].port_id;
822
823         return internals->slave_count;
824 }
825
826 int
827 rte_eth_bond_active_slaves_get(uint16_t bonded_port_id, uint16_t slaves[],
828                 uint16_t len)
829 {
830         struct bond_dev_private *internals;
831
832         if (valid_bonded_port_id(bonded_port_id) != 0)
833                 return -1;
834
835         if (slaves == NULL)
836                 return -1;
837
838         internals = rte_eth_devices[bonded_port_id].data->dev_private;
839
840         if (internals->active_slave_count > len)
841                 return -1;
842
843         memcpy(slaves, internals->active_slaves,
844         internals->active_slave_count * sizeof(internals->active_slaves[0]));
845
846         return internals->active_slave_count;
847 }
848
849 int
850 rte_eth_bond_mac_address_set(uint16_t bonded_port_id,
851                 struct rte_ether_addr *mac_addr)
852 {
853         struct rte_eth_dev *bonded_eth_dev;
854         struct bond_dev_private *internals;
855
856         if (valid_bonded_port_id(bonded_port_id) != 0)
857                 return -1;
858
859         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
860         internals = bonded_eth_dev->data->dev_private;
861
862         /* Set MAC Address of Bonded Device */
863         if (mac_address_set(bonded_eth_dev, mac_addr))
864                 return -1;
865
866         internals->user_defined_mac = 1;
867
868         /* Update all slave devices MACs*/
869         if (internals->slave_count > 0)
870                 return mac_address_slaves_update(bonded_eth_dev);
871
872         return 0;
873 }
874
875 int
876 rte_eth_bond_mac_address_reset(uint16_t bonded_port_id)
877 {
878         struct rte_eth_dev *bonded_eth_dev;
879         struct bond_dev_private *internals;
880
881         if (valid_bonded_port_id(bonded_port_id) != 0)
882                 return -1;
883
884         bonded_eth_dev = &rte_eth_devices[bonded_port_id];
885         internals = bonded_eth_dev->data->dev_private;
886
887         internals->user_defined_mac = 0;
888
889         if (internals->slave_count > 0) {
890                 int slave_port;
891                 /* Get the primary slave location based on the primary port
892                  * number as, while slave_add(), we will keep the primary
893                  * slave based on slave_count,but not based on the primary port.
894                  */
895                 for (slave_port = 0; slave_port < internals->slave_count;
896                      slave_port++) {
897                         if (internals->slaves[slave_port].port_id ==
898                             internals->primary_port)
899                                 break;
900                 }
901
902                 /* Set MAC Address of Bonded Device */
903                 if (mac_address_set(bonded_eth_dev,
904                         &internals->slaves[slave_port].persisted_mac_addr)
905                                 != 0) {
906                         RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
907                         return -1;
908                 }
909                 /* Update all slave devices MAC addresses */
910                 return mac_address_slaves_update(bonded_eth_dev);
911         }
912         /* No need to update anything as no slaves present */
913         return 0;
914 }
915
916 int
917 rte_eth_bond_xmit_policy_set(uint16_t bonded_port_id, uint8_t policy)
918 {
919         struct bond_dev_private *internals;
920
921         if (valid_bonded_port_id(bonded_port_id) != 0)
922                 return -1;
923
924         internals = rte_eth_devices[bonded_port_id].data->dev_private;
925
926         switch (policy) {
927         case BALANCE_XMIT_POLICY_LAYER2:
928                 internals->balance_xmit_policy = policy;
929                 internals->burst_xmit_hash = burst_xmit_l2_hash;
930                 break;
931         case BALANCE_XMIT_POLICY_LAYER23:
932                 internals->balance_xmit_policy = policy;
933                 internals->burst_xmit_hash = burst_xmit_l23_hash;
934                 break;
935         case BALANCE_XMIT_POLICY_LAYER34:
936                 internals->balance_xmit_policy = policy;
937                 internals->burst_xmit_hash = burst_xmit_l34_hash;
938                 break;
939
940         default:
941                 return -1;
942         }
943         return 0;
944 }
945
946 int
947 rte_eth_bond_xmit_policy_get(uint16_t bonded_port_id)
948 {
949         struct bond_dev_private *internals;
950
951         if (valid_bonded_port_id(bonded_port_id) != 0)
952                 return -1;
953
954         internals = rte_eth_devices[bonded_port_id].data->dev_private;
955
956         return internals->balance_xmit_policy;
957 }
958
959 int
960 rte_eth_bond_link_monitoring_set(uint16_t bonded_port_id, uint32_t internal_ms)
961 {
962         struct bond_dev_private *internals;
963
964         if (valid_bonded_port_id(bonded_port_id) != 0)
965                 return -1;
966
967         internals = rte_eth_devices[bonded_port_id].data->dev_private;
968         internals->link_status_polling_interval_ms = internal_ms;
969
970         return 0;
971 }
972
973 int
974 rte_eth_bond_link_monitoring_get(uint16_t bonded_port_id)
975 {
976         struct bond_dev_private *internals;
977
978         if (valid_bonded_port_id(bonded_port_id) != 0)
979                 return -1;
980
981         internals = rte_eth_devices[bonded_port_id].data->dev_private;
982
983         return internals->link_status_polling_interval_ms;
984 }
985
986 int
987 rte_eth_bond_link_down_prop_delay_set(uint16_t bonded_port_id,
988                                        uint32_t delay_ms)
989
990 {
991         struct bond_dev_private *internals;
992
993         if (valid_bonded_port_id(bonded_port_id) != 0)
994                 return -1;
995
996         internals = rte_eth_devices[bonded_port_id].data->dev_private;
997         internals->link_down_delay_ms = delay_ms;
998
999         return 0;
1000 }
1001
1002 int
1003 rte_eth_bond_link_down_prop_delay_get(uint16_t bonded_port_id)
1004 {
1005         struct bond_dev_private *internals;
1006
1007         if (valid_bonded_port_id(bonded_port_id) != 0)
1008                 return -1;
1009
1010         internals = rte_eth_devices[bonded_port_id].data->dev_private;
1011
1012         return internals->link_down_delay_ms;
1013 }
1014
1015 int
1016 rte_eth_bond_link_up_prop_delay_set(uint16_t bonded_port_id, uint32_t delay_ms)
1017
1018 {
1019         struct bond_dev_private *internals;
1020
1021         if (valid_bonded_port_id(bonded_port_id) != 0)
1022                 return -1;
1023
1024         internals = rte_eth_devices[bonded_port_id].data->dev_private;
1025         internals->link_up_delay_ms = delay_ms;
1026
1027         return 0;
1028 }
1029
1030 int
1031 rte_eth_bond_link_up_prop_delay_get(uint16_t bonded_port_id)
1032 {
1033         struct bond_dev_private *internals;
1034
1035         if (valid_bonded_port_id(bonded_port_id) != 0)
1036                 return -1;
1037
1038         internals = rte_eth_devices[bonded_port_id].data->dev_private;
1039
1040         return internals->link_up_delay_ms;
1041 }