xref: /dpdk/drivers/net/bonding/rte_eth_bond_api.c (revision a997a33b2a0145ad3e6320ea1fc7df8d51a2fcdf)
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 	uint32_t vlan_filter_bmp_size;
170 
171 	/* now do all data allocation - for eth_dev structure, dummy pci driver
172 	 * and internal (private) data
173 	 */
174 
175 	if (name == NULL) {
176 		RTE_BOND_LOG(ERR, "Invalid name specified");
177 		goto err;
178 	}
179 
180 	if (socket_id >= number_of_sockets()) {
181 		RTE_BOND_LOG(ERR,
182 				"Invalid socket id specified to create bonded device on.");
183 		goto err;
184 	}
185 
186 	internals = rte_zmalloc_socket(name, sizeof(*internals), 0, socket_id);
187 	if (internals == NULL) {
188 		RTE_BOND_LOG(ERR, "Unable to malloc internals on socket");
189 		goto err;
190 	}
191 
192 	/* reserve an ethdev entry */
193 	eth_dev = rte_eth_dev_allocate(name);
194 	if (eth_dev == NULL) {
195 		RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
196 		goto err;
197 	}
198 
199 	eth_dev->data->dev_private = internals;
200 	eth_dev->data->nb_rx_queues = (uint16_t)1;
201 	eth_dev->data->nb_tx_queues = (uint16_t)1;
202 
203 	eth_dev->data->mac_addrs = rte_zmalloc_socket(name, ETHER_ADDR_LEN, 0,
204 			socket_id);
205 	if (eth_dev->data->mac_addrs == NULL) {
206 		RTE_BOND_LOG(ERR, "Unable to malloc mac_addrs");
207 		goto err;
208 	}
209 
210 	eth_dev->dev_ops = &default_dev_ops;
211 	eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
212 		RTE_ETH_DEV_DETACHABLE;
213 	eth_dev->driver = NULL;
214 	eth_dev->data->kdrv = RTE_KDRV_NONE;
215 	eth_dev->data->drv_name = pmd_bond_driver_name;
216 	eth_dev->data->numa_node =  socket_id;
217 
218 	rte_spinlock_init(&internals->lock);
219 
220 	internals->port_id = eth_dev->data->port_id;
221 	internals->mode = BONDING_MODE_INVALID;
222 	internals->current_primary_port = RTE_MAX_ETHPORTS + 1;
223 	internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
224 	internals->xmit_hash = xmit_l2_hash;
225 	internals->user_defined_mac = 0;
226 	internals->link_props_set = 0;
227 
228 	internals->link_status_polling_enabled = 0;
229 
230 	internals->link_status_polling_interval_ms = DEFAULT_POLLING_INTERVAL_10_MS;
231 	internals->link_down_delay_ms = 0;
232 	internals->link_up_delay_ms = 0;
233 
234 	internals->slave_count = 0;
235 	internals->active_slave_count = 0;
236 	internals->rx_offload_capa = 0;
237 	internals->tx_offload_capa = 0;
238 	internals->candidate_max_rx_pktlen = 0;
239 	internals->max_rx_pktlen = 0;
240 
241 	/* Initially allow to choose any offload type */
242 	internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
243 
244 	memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
245 	memset(internals->slaves, 0, sizeof(internals->slaves));
246 
247 	/* Set mode 4 default configuration */
248 	bond_mode_8023ad_setup(eth_dev, NULL);
249 	if (bond_ethdev_mode_set(eth_dev, mode)) {
250 		RTE_BOND_LOG(ERR, "Failed to set bonded device %d mode too %d",
251 				 eth_dev->data->port_id, mode);
252 		goto err;
253 	}
254 
255 	vlan_filter_bmp_size =
256 		rte_bitmap_get_memory_footprint(ETHER_MAX_VLAN_ID + 1);
257 	internals->vlan_filter_bmpmem = rte_malloc(name, vlan_filter_bmp_size,
258 						   RTE_CACHE_LINE_SIZE);
259 	if (internals->vlan_filter_bmpmem == NULL) {
260 		RTE_BOND_LOG(ERR,
261 			     "Failed to allocate vlan bitmap for bonded device %u\n",
262 			     eth_dev->data->port_id);
263 		goto err;
264 	}
265 
266 	internals->vlan_filter_bmp = rte_bitmap_init(ETHER_MAX_VLAN_ID + 1,
267 			internals->vlan_filter_bmpmem, vlan_filter_bmp_size);
268 	if (internals->vlan_filter_bmp == NULL) {
269 		RTE_BOND_LOG(ERR,
270 			     "Failed to init vlan bitmap for bonded device %u\n",
271 			     eth_dev->data->port_id);
272 		rte_free(internals->vlan_filter_bmpmem);
273 		goto err;
274 	}
275 
276 	return eth_dev->data->port_id;
277 
278 err:
279 	rte_free(internals);
280 	if (eth_dev != NULL) {
281 		rte_free(eth_dev->data->mac_addrs);
282 		rte_eth_dev_release_port(eth_dev);
283 	}
284 	return -1;
285 }
286 
287 int
288 rte_eth_bond_free(const char *name)
289 {
290 	struct rte_eth_dev *eth_dev = NULL;
291 	struct bond_dev_private *internals;
292 
293 	/* now free all data allocation - for eth_dev structure,
294 	 * dummy pci driver and internal (private) data
295 	 */
296 
297 	/* find an ethdev entry */
298 	eth_dev = rte_eth_dev_allocated(name);
299 	if (eth_dev == NULL)
300 		return -ENODEV;
301 
302 	internals = eth_dev->data->dev_private;
303 	if (internals->slave_count != 0)
304 		return -EBUSY;
305 
306 	if (eth_dev->data->dev_started == 1) {
307 		bond_ethdev_stop(eth_dev);
308 		bond_ethdev_close(eth_dev);
309 	}
310 
311 	eth_dev->dev_ops = NULL;
312 	eth_dev->rx_pkt_burst = NULL;
313 	eth_dev->tx_pkt_burst = NULL;
314 
315 	internals = eth_dev->data->dev_private;
316 	rte_bitmap_free(internals->vlan_filter_bmp);
317 	rte_free(internals->vlan_filter_bmpmem);
318 	rte_free(eth_dev->data->dev_private);
319 	rte_free(eth_dev->data->mac_addrs);
320 
321 	rte_eth_dev_release_port(eth_dev);
322 
323 	return 0;
324 }
325 
326 static int
327 slave_vlan_filter_set(uint8_t bonded_port_id, uint8_t slave_port_id)
328 {
329 	struct rte_eth_dev *bonded_eth_dev;
330 	struct bond_dev_private *internals;
331 	int found;
332 	int res = 0;
333 	uint64_t slab = 0;
334 	uint32_t pos = 0;
335 	uint16_t first;
336 
337 	bonded_eth_dev = &rte_eth_devices[bonded_port_id];
338 	if (bonded_eth_dev->data->dev_conf.rxmode.hw_vlan_filter == 0)
339 		return 0;
340 
341 	internals = bonded_eth_dev->data->dev_private;
342 	found = rte_bitmap_scan(internals->vlan_filter_bmp, &pos, &slab);
343 	first = pos;
344 
345 	if (!found)
346 		return 0;
347 
348 	do {
349 		uint32_t i;
350 		uint64_t mask;
351 
352 		for (i = 0, mask = 1;
353 		     i < RTE_BITMAP_SLAB_BIT_SIZE;
354 		     i ++, mask <<= 1) {
355 			if (unlikely(slab & mask))
356 				res = rte_eth_dev_vlan_filter(slave_port_id,
357 							      (uint16_t)pos, 1);
358 		}
359 		found = rte_bitmap_scan(internals->vlan_filter_bmp,
360 					&pos, &slab);
361 	} while (found && first != pos && res == 0);
362 
363 	return res;
364 }
365 
366 static int
367 __eth_bond_slave_add_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
368 {
369 	struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
370 	struct bond_dev_private *internals;
371 	struct rte_eth_link link_props;
372 	struct rte_eth_dev_info dev_info;
373 
374 	if (valid_slave_port_id(slave_port_id) != 0)
375 		return -1;
376 
377 	bonded_eth_dev = &rte_eth_devices[bonded_port_id];
378 	internals = bonded_eth_dev->data->dev_private;
379 
380 	slave_eth_dev = &rte_eth_devices[slave_port_id];
381 	if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_BONDED_SLAVE) {
382 		RTE_BOND_LOG(ERR, "Slave device is already a slave of a bonded device");
383 		return -1;
384 	}
385 
386 	/* Add slave details to bonded device */
387 	slave_eth_dev->data->dev_flags |= RTE_ETH_DEV_BONDED_SLAVE;
388 
389 	rte_eth_dev_info_get(slave_port_id, &dev_info);
390 	if (dev_info.max_rx_pktlen < internals->max_rx_pktlen) {
391 		RTE_BOND_LOG(ERR, "Slave (port %u) max_rx_pktlen too small",
392 			     slave_port_id);
393 		return -1;
394 	}
395 
396 	slave_add(internals, slave_eth_dev);
397 
398 	/* We need to store slaves reta_size to be able to synchronize RETA for all
399 	 * slave devices even if its sizes are different.
400 	 */
401 	internals->slaves[internals->slave_count].reta_size = dev_info.reta_size;
402 
403 	if (internals->slave_count < 1) {
404 		/* if MAC is not user defined then use MAC of first slave add to
405 		 * bonded device */
406 		if (!internals->user_defined_mac)
407 			mac_address_set(bonded_eth_dev, slave_eth_dev->data->mac_addrs);
408 
409 		/* Inherit eth dev link properties from first slave */
410 		link_properties_set(bonded_eth_dev,
411 				&(slave_eth_dev->data->dev_link));
412 
413 		/* Make primary slave */
414 		internals->primary_port = slave_port_id;
415 		internals->current_primary_port = slave_port_id;
416 
417 		/* Inherit queues settings from first slave */
418 		internals->nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
419 		internals->nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
420 
421 		internals->reta_size = dev_info.reta_size;
422 
423 		/* Take the first dev's offload capabilities */
424 		internals->rx_offload_capa = dev_info.rx_offload_capa;
425 		internals->tx_offload_capa = dev_info.tx_offload_capa;
426 		internals->flow_type_rss_offloads = dev_info.flow_type_rss_offloads;
427 
428 		/* Inherit first slave's max rx packet size */
429 		internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
430 
431 	} else {
432 		internals->rx_offload_capa &= dev_info.rx_offload_capa;
433 		internals->tx_offload_capa &= dev_info.tx_offload_capa;
434 		internals->flow_type_rss_offloads &= dev_info.flow_type_rss_offloads;
435 
436 		/* RETA size is GCD of all slaves RETA sizes, so, if all sizes will be
437 		 * the power of 2, the lower one is GCD
438 		 */
439 		if (internals->reta_size > dev_info.reta_size)
440 			internals->reta_size = dev_info.reta_size;
441 
442 		if (!internals->max_rx_pktlen &&
443 		    dev_info.max_rx_pktlen < internals->candidate_max_rx_pktlen)
444 			internals->candidate_max_rx_pktlen = dev_info.max_rx_pktlen;
445 	}
446 
447 	bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf &=
448 			internals->flow_type_rss_offloads;
449 
450 	internals->slave_count++;
451 
452 	/* Update all slave devices MACs*/
453 	mac_address_slaves_update(bonded_eth_dev);
454 
455 	if (bonded_eth_dev->data->dev_started) {
456 		if (slave_configure(bonded_eth_dev, slave_eth_dev) != 0) {
457 			slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
458 			RTE_BOND_LOG(ERR, "rte_bond_slaves_configure: port=%d",
459 					slave_port_id);
460 			return -1;
461 		}
462 	}
463 
464 	/* Register link status change callback with bonded device pointer as
465 	 * argument*/
466 	rte_eth_dev_callback_register(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
467 			bond_ethdev_lsc_event_callback, &bonded_eth_dev->data->port_id);
468 
469 	/* If bonded device is started then we can add the slave to our active
470 	 * slave array */
471 	if (bonded_eth_dev->data->dev_started) {
472 		rte_eth_link_get_nowait(slave_port_id, &link_props);
473 
474 		 if (link_props.link_status == ETH_LINK_UP) {
475 			if (internals->active_slave_count == 0 &&
476 			    !internals->user_defined_primary_port)
477 				bond_ethdev_primary_set(internals,
478 							slave_port_id);
479 
480 			if (find_slave_by_id(internals->active_slaves,
481 					     internals->active_slave_count,
482 					     slave_port_id) == internals->active_slave_count)
483 				activate_slave(bonded_eth_dev, slave_port_id);
484 		}
485 	}
486 
487 	slave_vlan_filter_set(bonded_port_id, slave_port_id);
488 
489 	return 0;
490 
491 }
492 
493 int
494 rte_eth_bond_slave_add(uint8_t bonded_port_id, uint8_t slave_port_id)
495 {
496 	struct rte_eth_dev *bonded_eth_dev;
497 	struct bond_dev_private *internals;
498 
499 	int retval;
500 
501 	/* Verify that port id's are valid bonded and slave ports */
502 	if (valid_bonded_port_id(bonded_port_id) != 0)
503 		return -1;
504 
505 	bonded_eth_dev = &rte_eth_devices[bonded_port_id];
506 	internals = bonded_eth_dev->data->dev_private;
507 
508 	rte_spinlock_lock(&internals->lock);
509 
510 	retval = __eth_bond_slave_add_lock_free(bonded_port_id, slave_port_id);
511 
512 	rte_spinlock_unlock(&internals->lock);
513 
514 	return retval;
515 }
516 
517 static int
518 __eth_bond_slave_remove_lock_free(uint8_t bonded_port_id, uint8_t slave_port_id)
519 {
520 	struct rte_eth_dev *bonded_eth_dev;
521 	struct bond_dev_private *internals;
522 	struct rte_eth_dev *slave_eth_dev;
523 	int i, slave_idx;
524 
525 	if (valid_slave_port_id(slave_port_id) != 0)
526 		return -1;
527 
528 	bonded_eth_dev = &rte_eth_devices[bonded_port_id];
529 	internals = bonded_eth_dev->data->dev_private;
530 
531 	/* first remove from active slave list */
532 	slave_idx = find_slave_by_id(internals->active_slaves,
533 		internals->active_slave_count, slave_port_id);
534 
535 	if (slave_idx < internals->active_slave_count)
536 		deactivate_slave(bonded_eth_dev, slave_port_id);
537 
538 	slave_idx = -1;
539 	/* now find in slave list */
540 	for (i = 0; i < internals->slave_count; i++)
541 		if (internals->slaves[i].port_id == slave_port_id) {
542 			slave_idx = i;
543 			break;
544 		}
545 
546 	if (slave_idx < 0) {
547 		RTE_BOND_LOG(ERR, "Couldn't find slave in port list, slave count %d",
548 				internals->slave_count);
549 		return -1;
550 	}
551 
552 	/* Un-register link status change callback with bonded device pointer as
553 	 * argument*/
554 	rte_eth_dev_callback_unregister(slave_port_id, RTE_ETH_EVENT_INTR_LSC,
555 			bond_ethdev_lsc_event_callback,
556 			&rte_eth_devices[bonded_port_id].data->port_id);
557 
558 	/* Restore original MAC address of slave device */
559 	mac_address_set(&rte_eth_devices[slave_port_id],
560 			&(internals->slaves[slave_idx].persisted_mac_addr));
561 
562 	slave_eth_dev = &rte_eth_devices[slave_port_id];
563 	slave_remove(internals, slave_eth_dev);
564 	slave_eth_dev->data->dev_flags &= (~RTE_ETH_DEV_BONDED_SLAVE);
565 
566 	/*  first slave in the active list will be the primary by default,
567 	 *  otherwise use first device in list */
568 	if (internals->current_primary_port == slave_port_id) {
569 		if (internals->active_slave_count > 0)
570 			internals->current_primary_port = internals->active_slaves[0];
571 		else if (internals->slave_count > 0)
572 			internals->current_primary_port = internals->slaves[0].port_id;
573 		else
574 			internals->primary_port = 0;
575 	}
576 
577 	if (internals->active_slave_count < 1) {
578 		/* reset device link properties as no slaves are active */
579 		link_properties_reset(&rte_eth_devices[bonded_port_id]);
580 
581 		/* if no slaves are any longer attached to bonded device and MAC is not
582 		 * user defined then clear MAC of bonded device as it will be reset
583 		 * when a new slave is added */
584 		if (internals->slave_count < 1 && !internals->user_defined_mac)
585 			memset(rte_eth_devices[bonded_port_id].data->mac_addrs, 0,
586 					sizeof(*(rte_eth_devices[bonded_port_id].data->mac_addrs)));
587 	}
588 	if (internals->slave_count == 0) {
589 		internals->rx_offload_capa = 0;
590 		internals->tx_offload_capa = 0;
591 		internals->flow_type_rss_offloads = ETH_RSS_PROTO_MASK;
592 		internals->reta_size = 0;
593 		internals->candidate_max_rx_pktlen = 0;
594 		internals->max_rx_pktlen = 0;
595 	}
596 	return 0;
597 }
598 
599 int
600 rte_eth_bond_slave_remove(uint8_t bonded_port_id, uint8_t slave_port_id)
601 {
602 	struct rte_eth_dev *bonded_eth_dev;
603 	struct bond_dev_private *internals;
604 	int retval;
605 
606 	if (valid_bonded_port_id(bonded_port_id) != 0)
607 		return -1;
608 
609 	bonded_eth_dev = &rte_eth_devices[bonded_port_id];
610 	internals = bonded_eth_dev->data->dev_private;
611 
612 	rte_spinlock_lock(&internals->lock);
613 
614 	retval = __eth_bond_slave_remove_lock_free(bonded_port_id, slave_port_id);
615 
616 	rte_spinlock_unlock(&internals->lock);
617 
618 	return retval;
619 }
620 
621 int
622 rte_eth_bond_mode_set(uint8_t bonded_port_id, uint8_t mode)
623 {
624 	if (valid_bonded_port_id(bonded_port_id) != 0)
625 		return -1;
626 
627 	return bond_ethdev_mode_set(&rte_eth_devices[bonded_port_id], mode);
628 }
629 
630 int
631 rte_eth_bond_mode_get(uint8_t bonded_port_id)
632 {
633 	struct bond_dev_private *internals;
634 
635 	if (valid_bonded_port_id(bonded_port_id) != 0)
636 		return -1;
637 
638 	internals = rte_eth_devices[bonded_port_id].data->dev_private;
639 
640 	return internals->mode;
641 }
642 
643 int
644 rte_eth_bond_primary_set(uint8_t bonded_port_id, uint8_t slave_port_id)
645 {
646 	struct bond_dev_private *internals;
647 
648 	if (valid_bonded_port_id(bonded_port_id) != 0)
649 		return -1;
650 
651 	if (valid_slave_port_id(slave_port_id) != 0)
652 		return -1;
653 
654 	internals =  rte_eth_devices[bonded_port_id].data->dev_private;
655 
656 	internals->user_defined_primary_port = 1;
657 	internals->primary_port = slave_port_id;
658 
659 	bond_ethdev_primary_set(internals, slave_port_id);
660 
661 	return 0;
662 }
663 
664 int
665 rte_eth_bond_primary_get(uint8_t bonded_port_id)
666 {
667 	struct bond_dev_private *internals;
668 
669 	if (valid_bonded_port_id(bonded_port_id) != 0)
670 		return -1;
671 
672 	internals = rte_eth_devices[bonded_port_id].data->dev_private;
673 
674 	if (internals->slave_count < 1)
675 		return -1;
676 
677 	return internals->current_primary_port;
678 }
679 
680 int
681 rte_eth_bond_slaves_get(uint8_t bonded_port_id, uint8_t slaves[], uint8_t len)
682 {
683 	struct bond_dev_private *internals;
684 	uint8_t i;
685 
686 	if (valid_bonded_port_id(bonded_port_id) != 0)
687 		return -1;
688 
689 	if (slaves == NULL)
690 		return -1;
691 
692 	internals = rte_eth_devices[bonded_port_id].data->dev_private;
693 
694 	if (internals->slave_count > len)
695 		return -1;
696 
697 	for (i = 0; i < internals->slave_count; i++)
698 		slaves[i] = internals->slaves[i].port_id;
699 
700 	return internals->slave_count;
701 }
702 
703 int
704 rte_eth_bond_active_slaves_get(uint8_t bonded_port_id, uint8_t slaves[],
705 		uint8_t len)
706 {
707 	struct bond_dev_private *internals;
708 
709 	if (valid_bonded_port_id(bonded_port_id) != 0)
710 		return -1;
711 
712 	if (slaves == NULL)
713 		return -1;
714 
715 	internals = rte_eth_devices[bonded_port_id].data->dev_private;
716 
717 	if (internals->active_slave_count > len)
718 		return -1;
719 
720 	memcpy(slaves, internals->active_slaves, internals->active_slave_count);
721 
722 	return internals->active_slave_count;
723 }
724 
725 int
726 rte_eth_bond_mac_address_set(uint8_t bonded_port_id,
727 		struct ether_addr *mac_addr)
728 {
729 	struct rte_eth_dev *bonded_eth_dev;
730 	struct bond_dev_private *internals;
731 
732 	if (valid_bonded_port_id(bonded_port_id) != 0)
733 		return -1;
734 
735 	bonded_eth_dev = &rte_eth_devices[bonded_port_id];
736 	internals = bonded_eth_dev->data->dev_private;
737 
738 	/* Set MAC Address of Bonded Device */
739 	if (mac_address_set(bonded_eth_dev, mac_addr))
740 		return -1;
741 
742 	internals->user_defined_mac = 1;
743 
744 	/* Update all slave devices MACs*/
745 	if (internals->slave_count > 0)
746 		return mac_address_slaves_update(bonded_eth_dev);
747 
748 	return 0;
749 }
750 
751 int
752 rte_eth_bond_mac_address_reset(uint8_t bonded_port_id)
753 {
754 	struct rte_eth_dev *bonded_eth_dev;
755 	struct bond_dev_private *internals;
756 
757 	if (valid_bonded_port_id(bonded_port_id) != 0)
758 		return -1;
759 
760 	bonded_eth_dev = &rte_eth_devices[bonded_port_id];
761 	internals = bonded_eth_dev->data->dev_private;
762 
763 	internals->user_defined_mac = 0;
764 
765 	if (internals->slave_count > 0) {
766 		/* Set MAC Address of Bonded Device */
767 		if (mac_address_set(bonded_eth_dev,
768 				&internals->slaves[internals->primary_port].persisted_mac_addr)
769 				!= 0) {
770 			RTE_BOND_LOG(ERR, "Failed to set MAC address on bonded device");
771 			return -1;
772 		}
773 		/* Update all slave devices MAC addresses */
774 		return mac_address_slaves_update(bonded_eth_dev);
775 	}
776 	/* No need to update anything as no slaves present */
777 	return 0;
778 }
779 
780 int
781 rte_eth_bond_xmit_policy_set(uint8_t bonded_port_id, uint8_t policy)
782 {
783 	struct bond_dev_private *internals;
784 
785 	if (valid_bonded_port_id(bonded_port_id) != 0)
786 		return -1;
787 
788 	internals = rte_eth_devices[bonded_port_id].data->dev_private;
789 
790 	switch (policy) {
791 	case BALANCE_XMIT_POLICY_LAYER2:
792 		internals->balance_xmit_policy = policy;
793 		internals->xmit_hash = xmit_l2_hash;
794 		break;
795 	case BALANCE_XMIT_POLICY_LAYER23:
796 		internals->balance_xmit_policy = policy;
797 		internals->xmit_hash = xmit_l23_hash;
798 		break;
799 	case BALANCE_XMIT_POLICY_LAYER34:
800 		internals->balance_xmit_policy = policy;
801 		internals->xmit_hash = xmit_l34_hash;
802 		break;
803 
804 	default:
805 		return -1;
806 	}
807 	return 0;
808 }
809 
810 int
811 rte_eth_bond_xmit_policy_get(uint8_t bonded_port_id)
812 {
813 	struct bond_dev_private *internals;
814 
815 	if (valid_bonded_port_id(bonded_port_id) != 0)
816 		return -1;
817 
818 	internals = rte_eth_devices[bonded_port_id].data->dev_private;
819 
820 	return internals->balance_xmit_policy;
821 }
822 
823 int
824 rte_eth_bond_link_monitoring_set(uint8_t bonded_port_id, uint32_t internal_ms)
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_status_polling_interval_ms = internal_ms;
833 
834 	return 0;
835 }
836 
837 int
838 rte_eth_bond_link_monitoring_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_status_polling_interval_ms;
848 }
849 
850 int
851 rte_eth_bond_link_down_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
852 
853 {
854 	struct bond_dev_private *internals;
855 
856 	if (valid_bonded_port_id(bonded_port_id) != 0)
857 		return -1;
858 
859 	internals = rte_eth_devices[bonded_port_id].data->dev_private;
860 	internals->link_down_delay_ms = delay_ms;
861 
862 	return 0;
863 }
864 
865 int
866 rte_eth_bond_link_down_prop_delay_get(uint8_t bonded_port_id)
867 {
868 	struct bond_dev_private *internals;
869 
870 	if (valid_bonded_port_id(bonded_port_id) != 0)
871 		return -1;
872 
873 	internals = rte_eth_devices[bonded_port_id].data->dev_private;
874 
875 	return internals->link_down_delay_ms;
876 }
877 
878 int
879 rte_eth_bond_link_up_prop_delay_set(uint8_t bonded_port_id, uint32_t delay_ms)
880 
881 {
882 	struct bond_dev_private *internals;
883 
884 	if (valid_bonded_port_id(bonded_port_id) != 0)
885 		return -1;
886 
887 	internals = rte_eth_devices[bonded_port_id].data->dev_private;
888 	internals->link_up_delay_ms = delay_ms;
889 
890 	return 0;
891 }
892 
893 int
894 rte_eth_bond_link_up_prop_delay_get(uint8_t bonded_port_id)
895 {
896 	struct bond_dev_private *internals;
897 
898 	if (valid_bonded_port_id(bonded_port_id) != 0)
899 		return -1;
900 
901 	internals = rte_eth_devices[bonded_port_id].data->dev_private;
902 
903 	return internals->link_up_delay_ms;
904 }
905