1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2017 6WIND S.A.
3 * Copyright 2017 Mellanox Technologies, Ltd
10 #include <rte_debug.h>
11 #include <rte_atomic.h>
12 #include <rte_ethdev_driver.h>
13 #include <rte_malloc.h>
15 #include <rte_cycles.h>
16 #include <rte_ethdev.h>
17 #include <rte_string_fns.h>
19 #include "failsafe_private.h"
22 fs_dev_configure(struct rte_eth_dev *dev)
24 struct sub_device *sdev;
29 FOREACH_SUBDEV(sdev, i, dev) {
30 int rmv_interrupt = 0;
31 int lsc_interrupt = 0;
34 if (sdev->state != DEV_PROBED &&
35 !(PRIV(dev)->alarm_lock == 0 && sdev->state == DEV_ACTIVE))
38 rmv_interrupt = ETH(sdev)->data->dev_flags &
41 DEBUG("Enabling RMV interrupts for sub_device %d", i);
42 dev->data->dev_conf.intr_conf.rmv = 1;
44 DEBUG("sub_device %d does not support RMV event", i);
46 lsc_enabled = dev->data->dev_conf.intr_conf.lsc;
47 lsc_interrupt = lsc_enabled &&
48 (ETH(sdev)->data->dev_flags &
49 RTE_ETH_DEV_INTR_LSC);
51 DEBUG("Enabling LSC interrupts for sub_device %d", i);
52 dev->data->dev_conf.intr_conf.lsc = 1;
53 } else if (lsc_enabled && !lsc_interrupt) {
54 DEBUG("Disabling LSC interrupts for sub_device %d", i);
55 dev->data->dev_conf.intr_conf.lsc = 0;
57 DEBUG("Configuring sub-device %d", i);
58 ret = rte_eth_dev_configure(PORT_ID(sdev),
59 dev->data->nb_rx_queues,
60 dev->data->nb_tx_queues,
61 &dev->data->dev_conf);
63 if (!fs_err(sdev, ret))
65 ERROR("Could not configure sub_device %d", i);
69 if (rmv_interrupt && sdev->rmv_callback == 0) {
70 ret = rte_eth_dev_callback_register(PORT_ID(sdev),
71 RTE_ETH_EVENT_INTR_RMV,
72 failsafe_eth_rmv_event_callback,
75 WARN("Failed to register RMV callback for sub_device %d",
78 sdev->rmv_callback = 1;
80 dev->data->dev_conf.intr_conf.rmv = 0;
81 if (lsc_interrupt && sdev->lsc_callback == 0) {
82 ret = rte_eth_dev_callback_register(PORT_ID(sdev),
83 RTE_ETH_EVENT_INTR_LSC,
84 failsafe_eth_lsc_event_callback,
87 WARN("Failed to register LSC callback for sub_device %d",
90 sdev->lsc_callback = 1;
92 dev->data->dev_conf.intr_conf.lsc = lsc_enabled;
93 sdev->state = DEV_ACTIVE;
95 if (PRIV(dev)->state < DEV_ACTIVE)
96 PRIV(dev)->state = DEV_ACTIVE;
102 fs_set_queues_state_start(struct rte_eth_dev *dev)
108 for (i = 0; i < dev->data->nb_rx_queues; i++) {
109 rxq = dev->data->rx_queues[i];
110 if (rxq != NULL && !rxq->info.conf.rx_deferred_start)
111 dev->data->rx_queue_state[i] =
112 RTE_ETH_QUEUE_STATE_STARTED;
114 for (i = 0; i < dev->data->nb_tx_queues; i++) {
115 txq = dev->data->tx_queues[i];
116 if (txq != NULL && !txq->info.conf.tx_deferred_start)
117 dev->data->tx_queue_state[i] =
118 RTE_ETH_QUEUE_STATE_STARTED;
123 fs_dev_start(struct rte_eth_dev *dev)
125 struct sub_device *sdev;
130 ret = failsafe_rx_intr_install(dev);
135 FOREACH_SUBDEV(sdev, i, dev) {
136 if (sdev->state != DEV_ACTIVE)
138 DEBUG("Starting sub_device %d", i);
139 ret = rte_eth_dev_start(PORT_ID(sdev));
141 if (!fs_err(sdev, ret))
146 ret = failsafe_rx_intr_install_subdevice(sdev);
148 if (!fs_err(sdev, ret))
150 rte_eth_dev_stop(PORT_ID(sdev));
154 sdev->state = DEV_STARTED;
156 if (PRIV(dev)->state < DEV_STARTED) {
157 PRIV(dev)->state = DEV_STARTED;
158 fs_set_queues_state_start(dev);
160 fs_switch_dev(dev, NULL);
166 fs_set_queues_state_stop(struct rte_eth_dev *dev)
170 for (i = 0; i < dev->data->nb_rx_queues; i++)
171 if (dev->data->rx_queues[i] != NULL)
172 dev->data->rx_queue_state[i] =
173 RTE_ETH_QUEUE_STATE_STOPPED;
174 for (i = 0; i < dev->data->nb_tx_queues; i++)
175 if (dev->data->tx_queues[i] != NULL)
176 dev->data->tx_queue_state[i] =
177 RTE_ETH_QUEUE_STATE_STOPPED;
181 fs_dev_stop(struct rte_eth_dev *dev)
183 struct sub_device *sdev;
187 PRIV(dev)->state = DEV_STARTED - 1;
188 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_STARTED) {
189 rte_eth_dev_stop(PORT_ID(sdev));
190 failsafe_rx_intr_uninstall_subdevice(sdev);
191 sdev->state = DEV_STARTED - 1;
193 failsafe_rx_intr_uninstall(dev);
194 fs_set_queues_state_stop(dev);
199 fs_dev_set_link_up(struct rte_eth_dev *dev)
201 struct sub_device *sdev;
206 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
207 DEBUG("Calling rte_eth_dev_set_link_up on sub_device %d", i);
208 ret = rte_eth_dev_set_link_up(PORT_ID(sdev));
209 if ((ret = fs_err(sdev, ret))) {
210 ERROR("Operation rte_eth_dev_set_link_up failed for sub_device %d"
211 " with error %d", i, ret);
221 fs_dev_set_link_down(struct rte_eth_dev *dev)
223 struct sub_device *sdev;
228 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
229 DEBUG("Calling rte_eth_dev_set_link_down on sub_device %d", i);
230 ret = rte_eth_dev_set_link_down(PORT_ID(sdev));
231 if ((ret = fs_err(sdev, ret))) {
232 ERROR("Operation rte_eth_dev_set_link_down failed for sub_device %d"
233 " with error %d", i, ret);
242 static void fs_dev_free_queues(struct rte_eth_dev *dev);
244 fs_dev_close(struct rte_eth_dev *dev)
246 struct sub_device *sdev;
250 failsafe_hotplug_alarm_cancel(dev);
251 if (PRIV(dev)->state == DEV_STARTED)
252 dev->dev_ops->dev_stop(dev);
253 PRIV(dev)->state = DEV_ACTIVE - 1;
254 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
255 DEBUG("Closing sub_device %d", i);
256 failsafe_eth_dev_unregister_callbacks(sdev);
257 rte_eth_dev_close(PORT_ID(sdev));
258 sdev->state = DEV_ACTIVE - 1;
260 fs_dev_free_queues(dev);
266 fs_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
268 struct sub_device *sdev;
275 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
276 uint16_t port_id = ETH(sdev)->data->port_id;
278 ret = rte_eth_dev_rx_queue_stop(port_id, rx_queue_id);
279 ret = fs_err(sdev, ret);
281 ERROR("Rx queue stop failed for subdevice %d", i);
287 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
289 /* Return 0 in case of at least one successful queue stop */
290 return (failure) ? err : 0;
294 fs_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
296 struct sub_device *sdev;
301 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
302 uint16_t port_id = ETH(sdev)->data->port_id;
304 ret = rte_eth_dev_rx_queue_start(port_id, rx_queue_id);
305 ret = fs_err(sdev, ret);
307 ERROR("Rx queue start failed for subdevice %d", i);
308 fs_rx_queue_stop(dev, rx_queue_id);
313 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
319 fs_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
321 struct sub_device *sdev;
328 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
329 uint16_t port_id = ETH(sdev)->data->port_id;
331 ret = rte_eth_dev_tx_queue_stop(port_id, tx_queue_id);
332 ret = fs_err(sdev, ret);
334 ERROR("Tx queue stop failed for subdevice %d", i);
340 dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
342 /* Return 0 in case of at least one successful queue stop */
343 return (failure) ? err : 0;
347 fs_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
349 struct sub_device *sdev;
354 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
355 uint16_t port_id = ETH(sdev)->data->port_id;
357 ret = rte_eth_dev_tx_queue_start(port_id, tx_queue_id);
358 ret = fs_err(sdev, ret);
360 ERROR("Tx queue start failed for subdevice %d", i);
361 fs_tx_queue_stop(dev, tx_queue_id);
366 dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
372 fs_rx_queue_release(void *queue)
374 struct rte_eth_dev *dev;
375 struct sub_device *sdev;
382 dev = &rte_eth_devices[rxq->priv->data->port_id];
384 if (rxq->event_fd >= 0)
385 close(rxq->event_fd);
386 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
387 if (ETH(sdev)->data->rx_queues != NULL &&
388 ETH(sdev)->data->rx_queues[rxq->qid] != NULL) {
389 SUBOPS(sdev, rx_queue_release)
390 (ETH(sdev)->data->rx_queues[rxq->qid]);
393 dev->data->rx_queues[rxq->qid] = NULL;
399 fs_rx_queue_setup(struct rte_eth_dev *dev,
400 uint16_t rx_queue_id,
402 unsigned int socket_id,
403 const struct rte_eth_rxconf *rx_conf,
404 struct rte_mempool *mb_pool)
407 * FIXME: Add a proper interface in rte_eal_interrupts for
408 * allocating eventfd as an interrupt vector.
409 * For the time being, fake as if we are using MSIX interrupts,
410 * this will cause rte_intr_efd_enable to allocate an eventfd for us.
412 struct rte_intr_handle intr_handle = {
413 .type = RTE_INTR_HANDLE_VFIO_MSIX,
416 struct sub_device *sdev;
422 if (rx_conf->rx_deferred_start) {
423 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_PROBED) {
424 if (SUBOPS(sdev, rx_queue_start) == NULL) {
425 ERROR("Rx queue deferred start is not "
426 "supported for subdevice %d", i);
432 rxq = dev->data->rx_queues[rx_queue_id];
434 fs_rx_queue_release(rxq);
435 dev->data->rx_queues[rx_queue_id] = NULL;
437 rxq = rte_zmalloc(NULL,
439 sizeof(rte_atomic64_t) * PRIV(dev)->subs_tail,
440 RTE_CACHE_LINE_SIZE);
445 FOREACH_SUBDEV(sdev, i, dev)
446 rte_atomic64_init(&rxq->refcnt[i]);
447 rxq->qid = rx_queue_id;
448 rxq->socket_id = socket_id;
449 rxq->info.mp = mb_pool;
450 rxq->info.conf = *rx_conf;
451 rxq->info.nb_desc = nb_rx_desc;
452 rxq->priv = PRIV(dev);
453 rxq->sdev = PRIV(dev)->subs;
454 ret = rte_intr_efd_enable(&intr_handle, 1);
459 rxq->event_fd = intr_handle.efds[0];
460 dev->data->rx_queues[rx_queue_id] = rxq;
461 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
462 ret = rte_eth_rx_queue_setup(PORT_ID(sdev),
464 nb_rx_desc, socket_id,
466 if ((ret = fs_err(sdev, ret))) {
467 ERROR("RX queue setup failed for sub_device %d", i);
474 fs_rx_queue_release(rxq);
480 fs_rx_intr_enable(struct rte_eth_dev *dev, uint16_t idx)
483 struct sub_device *sdev;
489 if (idx >= dev->data->nb_rx_queues) {
493 rxq = dev->data->rx_queues[idx];
494 if (rxq == NULL || rxq->event_fd <= 0) {
498 /* Fail if proxy service is nor running. */
499 if (PRIV(dev)->rxp.sstate != SS_RUNNING) {
500 ERROR("failsafe interrupt services are not running");
504 rxq->enable_events = 1;
505 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
506 ret = rte_eth_dev_rx_intr_enable(PORT_ID(sdev), idx);
507 ret = fs_err(sdev, ret);
519 fs_rx_intr_disable(struct rte_eth_dev *dev, uint16_t idx)
522 struct sub_device *sdev;
529 if (idx >= dev->data->nb_rx_queues) {
533 rxq = dev->data->rx_queues[idx];
534 if (rxq == NULL || rxq->event_fd <= 0) {
538 rxq->enable_events = 0;
539 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
540 ret = rte_eth_dev_rx_intr_disable(PORT_ID(sdev), idx);
541 ret = fs_err(sdev, ret);
545 /* Clear pending events */
546 while (read(rxq->event_fd, &u64, sizeof(uint64_t)) > 0)
556 fs_tx_queue_release(void *queue)
558 struct rte_eth_dev *dev;
559 struct sub_device *sdev;
566 dev = &rte_eth_devices[txq->priv->data->port_id];
568 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
569 if (ETH(sdev)->data->tx_queues != NULL &&
570 ETH(sdev)->data->tx_queues[txq->qid] != NULL) {
571 SUBOPS(sdev, tx_queue_release)
572 (ETH(sdev)->data->tx_queues[txq->qid]);
575 dev->data->tx_queues[txq->qid] = NULL;
581 fs_tx_queue_setup(struct rte_eth_dev *dev,
582 uint16_t tx_queue_id,
584 unsigned int socket_id,
585 const struct rte_eth_txconf *tx_conf)
587 struct sub_device *sdev;
593 if (tx_conf->tx_deferred_start) {
594 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_PROBED) {
595 if (SUBOPS(sdev, tx_queue_start) == NULL) {
596 ERROR("Tx queue deferred start is not "
597 "supported for subdevice %d", i);
603 txq = dev->data->tx_queues[tx_queue_id];
605 fs_tx_queue_release(txq);
606 dev->data->tx_queues[tx_queue_id] = NULL;
608 txq = rte_zmalloc("ethdev TX queue",
610 sizeof(rte_atomic64_t) * PRIV(dev)->subs_tail,
611 RTE_CACHE_LINE_SIZE);
616 FOREACH_SUBDEV(sdev, i, dev)
617 rte_atomic64_init(&txq->refcnt[i]);
618 txq->qid = tx_queue_id;
619 txq->socket_id = socket_id;
620 txq->info.conf = *tx_conf;
621 txq->info.nb_desc = nb_tx_desc;
622 txq->priv = PRIV(dev);
623 dev->data->tx_queues[tx_queue_id] = txq;
624 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
625 ret = rte_eth_tx_queue_setup(PORT_ID(sdev),
627 nb_tx_desc, socket_id,
629 if ((ret = fs_err(sdev, ret))) {
630 ERROR("TX queue setup failed for sub_device %d", i);
637 fs_tx_queue_release(txq);
643 fs_dev_free_queues(struct rte_eth_dev *dev)
647 for (i = 0; i < dev->data->nb_rx_queues; i++) {
648 fs_rx_queue_release(dev->data->rx_queues[i]);
649 dev->data->rx_queues[i] = NULL;
651 dev->data->nb_rx_queues = 0;
652 for (i = 0; i < dev->data->nb_tx_queues; i++) {
653 fs_tx_queue_release(dev->data->tx_queues[i]);
654 dev->data->tx_queues[i] = NULL;
656 dev->data->nb_tx_queues = 0;
660 fs_promiscuous_enable(struct rte_eth_dev *dev)
662 struct sub_device *sdev;
667 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
668 ret = rte_eth_promiscuous_enable(PORT_ID(sdev));
669 ret = fs_err(sdev, ret);
671 ERROR("Promiscuous mode enable failed for subdevice %d",
677 /* Rollback in the case of failure */
678 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
679 ret = rte_eth_promiscuous_disable(PORT_ID(sdev));
680 ret = fs_err(sdev, ret);
682 ERROR("Promiscuous mode disable during rollback failed for subdevice %d",
692 fs_promiscuous_disable(struct rte_eth_dev *dev)
694 struct sub_device *sdev;
699 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
700 ret = rte_eth_promiscuous_disable(PORT_ID(sdev));
701 ret = fs_err(sdev, ret);
703 ERROR("Promiscuous mode disable failed for subdevice %d",
709 /* Rollback in the case of failure */
710 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
711 ret = rte_eth_promiscuous_enable(PORT_ID(sdev));
712 ret = fs_err(sdev, ret);
714 ERROR("Promiscuous mode enable during rollback failed for subdevice %d",
724 fs_allmulticast_enable(struct rte_eth_dev *dev)
726 struct sub_device *sdev;
731 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
732 ret = rte_eth_allmulticast_enable(PORT_ID(sdev));
733 ret = fs_err(sdev, ret);
735 ERROR("All-multicast mode enable failed for subdevice %d",
741 /* Rollback in the case of failure */
742 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
743 ret = rte_eth_allmulticast_disable(PORT_ID(sdev));
744 ret = fs_err(sdev, ret);
746 ERROR("All-multicast mode disable during rollback failed for subdevice %d",
756 fs_allmulticast_disable(struct rte_eth_dev *dev)
758 struct sub_device *sdev;
763 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
764 ret = rte_eth_allmulticast_disable(PORT_ID(sdev));
765 ret = fs_err(sdev, ret);
767 ERROR("All-multicast mode disable failed for subdevice %d",
773 /* Rollback in the case of failure */
774 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
775 ret = rte_eth_allmulticast_enable(PORT_ID(sdev));
776 ret = fs_err(sdev, ret);
778 ERROR("All-multicast mode enable during rollback failed for subdevice %d",
788 fs_link_update(struct rte_eth_dev *dev,
789 int wait_to_complete)
791 struct sub_device *sdev;
796 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
797 DEBUG("Calling link_update on sub_device %d", i);
798 ret = (SUBOPS(sdev, link_update))(ETH(sdev), wait_to_complete);
799 if (ret && ret != -1 && sdev->remove == 0 &&
800 rte_eth_dev_is_removed(PORT_ID(sdev)) == 0) {
801 ERROR("Link update failed for sub_device %d with error %d",
807 if (TX_SUBDEV(dev)) {
808 struct rte_eth_link *l1;
809 struct rte_eth_link *l2;
811 l1 = &dev->data->dev_link;
812 l2 = Ð(TX_SUBDEV(dev))->data->dev_link;
813 if (memcmp(l1, l2, sizeof(*l1))) {
824 fs_stats_get(struct rte_eth_dev *dev,
825 struct rte_eth_stats *stats)
827 struct rte_eth_stats backup;
828 struct sub_device *sdev;
833 rte_memcpy(stats, &PRIV(dev)->stats_accumulator, sizeof(*stats));
834 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
835 struct rte_eth_stats *snapshot = &sdev->stats_snapshot.stats;
836 uint64_t *timestamp = &sdev->stats_snapshot.timestamp;
838 rte_memcpy(&backup, snapshot, sizeof(backup));
839 ret = rte_eth_stats_get(PORT_ID(sdev), snapshot);
841 if (!fs_err(sdev, ret)) {
842 rte_memcpy(snapshot, &backup, sizeof(backup));
845 ERROR("Operation rte_eth_stats_get failed for sub_device %d with error %d",
851 *timestamp = rte_rdtsc();
853 failsafe_stats_increment(stats, snapshot);
860 fs_stats_reset(struct rte_eth_dev *dev)
862 struct sub_device *sdev;
867 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
868 ret = rte_eth_stats_reset(PORT_ID(sdev));
870 if (!fs_err(sdev, ret))
873 ERROR("Operation rte_eth_stats_reset failed for sub_device %d with error %d",
878 memset(&sdev->stats_snapshot, 0, sizeof(struct rte_eth_stats));
880 memset(&PRIV(dev)->stats_accumulator, 0, sizeof(struct rte_eth_stats));
887 __fs_xstats_count(struct rte_eth_dev *dev)
889 struct sub_device *sdev;
894 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
895 ret = rte_eth_xstats_get_names(PORT_ID(sdev), NULL, 0);
905 __fs_xstats_get_names(struct rte_eth_dev *dev,
906 struct rte_eth_xstat_name *xstats_names,
909 struct sub_device *sdev;
910 unsigned int count = 0;
913 /* Caller only cares about count */
915 return __fs_xstats_count(dev);
917 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
918 struct rte_eth_xstat_name *sub_names = xstats_names + count;
924 r = rte_eth_xstats_get_names(PORT_ID(sdev),
925 sub_names, limit - count);
929 /* add subN_ prefix to names */
930 for (j = 0; j < r; j++) {
931 char *xname = sub_names[j].name;
932 char tmp[RTE_ETH_XSTATS_NAME_SIZE];
934 if ((xname[0] == 't' || xname[0] == 'r') &&
935 xname[1] == 'x' && xname[2] == '_')
936 snprintf(tmp, sizeof(tmp), "%.3ssub%u_%s",
937 xname, i, xname + 3);
939 snprintf(tmp, sizeof(tmp), "sub%u_%s",
942 strlcpy(xname, tmp, RTE_ETH_XSTATS_NAME_SIZE);
950 fs_xstats_get_names(struct rte_eth_dev *dev,
951 struct rte_eth_xstat_name *xstats_names,
957 ret = __fs_xstats_get_names(dev, xstats_names, limit);
963 __fs_xstats_get(struct rte_eth_dev *dev,
964 struct rte_eth_xstat *xstats,
967 unsigned int count = 0;
968 struct sub_device *sdev;
972 ret = __fs_xstats_count(dev);
975 * or caller did not give enough space
978 if (ret < 0 || ret > (int)n || xstats == NULL)
981 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
982 ret = rte_eth_xstats_get(PORT_ID(sdev), xstats, n);
989 /* add offset to id's from sub-device */
990 for (j = 0; j < ret; j++)
991 xstats[j].id += count;
1002 fs_xstats_get(struct rte_eth_dev *dev,
1003 struct rte_eth_xstat *xstats,
1009 ret = __fs_xstats_get(dev, xstats, n);
1017 fs_xstats_reset(struct rte_eth_dev *dev)
1019 struct sub_device *sdev;
1024 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
1025 r = rte_eth_xstats_reset(PORT_ID(sdev));
1035 fs_dev_merge_desc_lim(struct rte_eth_desc_lim *to,
1036 const struct rte_eth_desc_lim *from)
1038 to->nb_max = RTE_MIN(to->nb_max, from->nb_max);
1039 to->nb_min = RTE_MAX(to->nb_min, from->nb_min);
1040 to->nb_align = RTE_MAX(to->nb_align, from->nb_align);
1042 to->nb_seg_max = RTE_MIN(to->nb_seg_max, from->nb_seg_max);
1043 to->nb_mtu_seg_max = RTE_MIN(to->nb_mtu_seg_max, from->nb_mtu_seg_max);
1047 * Merge the information from sub-devices.
1049 * The reported values must be the common subset of all sub devices
1052 fs_dev_merge_info(struct rte_eth_dev_info *info,
1053 const struct rte_eth_dev_info *sinfo)
1055 info->max_rx_pktlen = RTE_MIN(info->max_rx_pktlen, sinfo->max_rx_pktlen);
1056 info->max_rx_queues = RTE_MIN(info->max_rx_queues, sinfo->max_rx_queues);
1057 info->max_tx_queues = RTE_MIN(info->max_tx_queues, sinfo->max_tx_queues);
1058 info->max_mac_addrs = RTE_MIN(info->max_mac_addrs, sinfo->max_mac_addrs);
1059 info->max_hash_mac_addrs = RTE_MIN(info->max_hash_mac_addrs,
1060 sinfo->max_hash_mac_addrs);
1061 info->max_vmdq_pools = RTE_MIN(info->max_vmdq_pools, sinfo->max_vmdq_pools);
1062 info->max_vfs = RTE_MIN(info->max_vfs, sinfo->max_vfs);
1064 fs_dev_merge_desc_lim(&info->rx_desc_lim, &sinfo->rx_desc_lim);
1065 fs_dev_merge_desc_lim(&info->tx_desc_lim, &sinfo->tx_desc_lim);
1067 info->rx_offload_capa &= sinfo->rx_offload_capa;
1068 info->tx_offload_capa &= sinfo->tx_offload_capa;
1069 info->rx_queue_offload_capa &= sinfo->rx_queue_offload_capa;
1070 info->tx_queue_offload_capa &= sinfo->tx_queue_offload_capa;
1071 info->flow_type_rss_offloads &= sinfo->flow_type_rss_offloads;
1074 * RETA size is a GCD of RETA sizes indicated by sub-devices.
1075 * Each of these sizes is a power of 2, so use the lower one.
1077 info->reta_size = RTE_MIN(info->reta_size, sinfo->reta_size);
1079 info->hash_key_size = RTE_MIN(info->hash_key_size,
1080 sinfo->hash_key_size);
1084 * Fail-safe dev_infos_get rules:
1088 * Use the maximum possible values for any field, so as not
1089 * to impede any further configuration effort.
1091 * Limits capabilities to those that are understood by the
1092 * fail-safe PMD. This understanding stems from the fail-safe
1093 * being capable of verifying that the related capability is
1094 * expressed within the device configuration (struct rte_eth_conf).
1096 * At least one probed sub_device:
1098 * Uses values from the active probed sub_device
1099 * The rationale here is that if any sub_device is less capable
1100 * (for example concerning the number of queues) than the active
1101 * sub_device, then its subsequent configuration will fail.
1102 * It is impossible to foresee this failure when the failing sub_device
1103 * is supposed to be plugged-in later on, so the configuration process
1104 * is the single point of failure and error reporting.
1106 * Uses a logical AND of RX capabilities among
1107 * all sub_devices and the default capabilities.
1108 * Uses a logical AND of TX capabilities among
1109 * the active probed sub_device and the default capabilities.
1110 * Uses a logical AND of device capabilities among
1111 * all sub_devices and the default capabilities.
1115 fs_dev_infos_get(struct rte_eth_dev *dev,
1116 struct rte_eth_dev_info *infos)
1118 struct sub_device *sdev;
1122 /* Use maximum upper bounds by default */
1123 infos->max_rx_pktlen = UINT32_MAX;
1124 infos->max_rx_queues = RTE_MAX_QUEUES_PER_PORT;
1125 infos->max_tx_queues = RTE_MAX_QUEUES_PER_PORT;
1126 infos->max_mac_addrs = FAILSAFE_MAX_ETHADDR;
1127 infos->max_hash_mac_addrs = UINT32_MAX;
1128 infos->max_vfs = UINT16_MAX;
1129 infos->max_vmdq_pools = UINT16_MAX;
1130 infos->reta_size = UINT16_MAX;
1131 infos->hash_key_size = UINT8_MAX;
1134 * Set of capabilities that can be verified upon
1135 * configuring a sub-device.
1137 infos->rx_offload_capa =
1138 DEV_RX_OFFLOAD_VLAN_STRIP |
1139 DEV_RX_OFFLOAD_IPV4_CKSUM |
1140 DEV_RX_OFFLOAD_UDP_CKSUM |
1141 DEV_RX_OFFLOAD_TCP_CKSUM |
1142 DEV_RX_OFFLOAD_TCP_LRO |
1143 DEV_RX_OFFLOAD_QINQ_STRIP |
1144 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
1145 DEV_RX_OFFLOAD_MACSEC_STRIP |
1146 DEV_RX_OFFLOAD_HEADER_SPLIT |
1147 DEV_RX_OFFLOAD_VLAN_FILTER |
1148 DEV_RX_OFFLOAD_VLAN_EXTEND |
1149 DEV_RX_OFFLOAD_JUMBO_FRAME |
1150 DEV_RX_OFFLOAD_SCATTER |
1151 DEV_RX_OFFLOAD_TIMESTAMP |
1152 DEV_RX_OFFLOAD_SECURITY;
1154 infos->rx_queue_offload_capa =
1155 DEV_RX_OFFLOAD_VLAN_STRIP |
1156 DEV_RX_OFFLOAD_IPV4_CKSUM |
1157 DEV_RX_OFFLOAD_UDP_CKSUM |
1158 DEV_RX_OFFLOAD_TCP_CKSUM |
1159 DEV_RX_OFFLOAD_TCP_LRO |
1160 DEV_RX_OFFLOAD_QINQ_STRIP |
1161 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM |
1162 DEV_RX_OFFLOAD_MACSEC_STRIP |
1163 DEV_RX_OFFLOAD_HEADER_SPLIT |
1164 DEV_RX_OFFLOAD_VLAN_FILTER |
1165 DEV_RX_OFFLOAD_VLAN_EXTEND |
1166 DEV_RX_OFFLOAD_JUMBO_FRAME |
1167 DEV_RX_OFFLOAD_SCATTER |
1168 DEV_RX_OFFLOAD_TIMESTAMP |
1169 DEV_RX_OFFLOAD_SECURITY;
1171 infos->tx_offload_capa =
1172 DEV_TX_OFFLOAD_MULTI_SEGS |
1173 DEV_TX_OFFLOAD_MBUF_FAST_FREE |
1174 DEV_TX_OFFLOAD_IPV4_CKSUM |
1175 DEV_TX_OFFLOAD_UDP_CKSUM |
1176 DEV_TX_OFFLOAD_TCP_CKSUM |
1177 DEV_TX_OFFLOAD_TCP_TSO;
1179 infos->flow_type_rss_offloads =
1184 RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
1185 RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
1187 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_PROBED) {
1188 struct rte_eth_dev_info sub_info;
1190 ret = rte_eth_dev_info_get(PORT_ID(sdev), &sub_info);
1191 ret = fs_err(sdev, ret);
1195 fs_dev_merge_info(infos, &sub_info);
1201 static const uint32_t *
1202 fs_dev_supported_ptypes_get(struct rte_eth_dev *dev)
1204 struct sub_device *sdev;
1205 struct rte_eth_dev *edev;
1206 const uint32_t *ret;
1209 sdev = TX_SUBDEV(dev);
1215 /* ENOTSUP: counts as no supported ptypes */
1216 if (SUBOPS(sdev, dev_supported_ptypes_get) == NULL) {
1221 * The API does not permit to do a clean AND of all ptypes,
1222 * It is also incomplete by design and we do not really care
1223 * to have a best possible value in this context.
1224 * We just return the ptypes of the device of highest
1225 * priority, usually the PREFERRED device.
1227 ret = SUBOPS(sdev, dev_supported_ptypes_get)(edev);
1234 fs_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
1236 struct sub_device *sdev;
1241 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
1242 DEBUG("Calling rte_eth_dev_set_mtu on sub_device %d", i);
1243 ret = rte_eth_dev_set_mtu(PORT_ID(sdev), mtu);
1244 if ((ret = fs_err(sdev, ret))) {
1245 ERROR("Operation rte_eth_dev_set_mtu failed for sub_device %d with error %d",
1256 fs_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1258 struct sub_device *sdev;
1263 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
1264 DEBUG("Calling rte_eth_dev_vlan_filter on sub_device %d", i);
1265 ret = rte_eth_dev_vlan_filter(PORT_ID(sdev), vlan_id, on);
1266 if ((ret = fs_err(sdev, ret))) {
1267 ERROR("Operation rte_eth_dev_vlan_filter failed for sub_device %d"
1268 " with error %d", i, ret);
1278 fs_flow_ctrl_get(struct rte_eth_dev *dev,
1279 struct rte_eth_fc_conf *fc_conf)
1281 struct sub_device *sdev;
1285 sdev = TX_SUBDEV(dev);
1290 if (SUBOPS(sdev, flow_ctrl_get) == NULL) {
1294 ret = SUBOPS(sdev, flow_ctrl_get)(ETH(sdev), fc_conf);
1301 fs_flow_ctrl_set(struct rte_eth_dev *dev,
1302 struct rte_eth_fc_conf *fc_conf)
1304 struct sub_device *sdev;
1309 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
1310 DEBUG("Calling rte_eth_dev_flow_ctrl_set on sub_device %d", i);
1311 ret = rte_eth_dev_flow_ctrl_set(PORT_ID(sdev), fc_conf);
1312 if ((ret = fs_err(sdev, ret))) {
1313 ERROR("Operation rte_eth_dev_flow_ctrl_set failed for sub_device %d"
1314 " with error %d", i, ret);
1324 fs_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
1326 struct sub_device *sdev;
1330 /* No check: already done within the rte_eth_dev_mac_addr_remove
1331 * call for the fail-safe device.
1333 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE)
1334 rte_eth_dev_mac_addr_remove(PORT_ID(sdev),
1335 &dev->data->mac_addrs[index]);
1336 PRIV(dev)->mac_addr_pool[index] = 0;
1341 fs_mac_addr_add(struct rte_eth_dev *dev,
1342 struct rte_ether_addr *mac_addr,
1346 struct sub_device *sdev;
1350 RTE_ASSERT(index < FAILSAFE_MAX_ETHADDR);
1352 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
1353 ret = rte_eth_dev_mac_addr_add(PORT_ID(sdev), mac_addr, vmdq);
1354 if ((ret = fs_err(sdev, ret))) {
1355 ERROR("Operation rte_eth_dev_mac_addr_add failed for sub_device %"
1356 PRIu8 " with error %d", i, ret);
1361 if (index >= PRIV(dev)->nb_mac_addr) {
1362 DEBUG("Growing mac_addrs array");
1363 PRIV(dev)->nb_mac_addr = index;
1365 PRIV(dev)->mac_addr_pool[index] = vmdq;
1371 fs_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
1373 struct sub_device *sdev;
1378 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
1379 ret = rte_eth_dev_default_mac_addr_set(PORT_ID(sdev), mac_addr);
1380 ret = fs_err(sdev, ret);
1382 ERROR("Operation rte_eth_dev_mac_addr_set failed for sub_device %d with error %d",
1394 fs_set_mc_addr_list(struct rte_eth_dev *dev,
1395 struct rte_ether_addr *mc_addr_set, uint32_t nb_mc_addr)
1397 struct sub_device *sdev;
1404 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
1405 ret = rte_eth_dev_set_mc_addr_list(PORT_ID(sdev),
1406 mc_addr_set, nb_mc_addr);
1408 ERROR("Operation rte_eth_dev_set_mc_addr_list failed for sub_device %d with error %d",
1414 mcast_addrs = rte_realloc(PRIV(dev)->mcast_addrs,
1415 nb_mc_addr * sizeof(PRIV(dev)->mcast_addrs[0]), 0);
1416 if (mcast_addrs == NULL && nb_mc_addr > 0) {
1420 rte_memcpy(mcast_addrs, mc_addr_set,
1421 nb_mc_addr * sizeof(PRIV(dev)->mcast_addrs[0]));
1422 PRIV(dev)->nb_mcast_addr = nb_mc_addr;
1423 PRIV(dev)->mcast_addrs = mcast_addrs;
1429 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
1430 int rc = rte_eth_dev_set_mc_addr_list(PORT_ID(sdev),
1431 PRIV(dev)->mcast_addrs, PRIV(dev)->nb_mcast_addr);
1433 ERROR("Multicast MAC address list rollback for sub_device %d failed with error %d",
1443 fs_rss_hash_update(struct rte_eth_dev *dev,
1444 struct rte_eth_rss_conf *rss_conf)
1446 struct sub_device *sdev;
1451 FOREACH_SUBDEV_STATE(sdev, i, dev, DEV_ACTIVE) {
1452 ret = rte_eth_dev_rss_hash_update(PORT_ID(sdev), rss_conf);
1453 ret = fs_err(sdev, ret);
1455 ERROR("Operation rte_eth_dev_rss_hash_update"
1456 " failed for sub_device %d with error %d",
1468 fs_filter_ctrl(struct rte_eth_dev *dev __rte_unused,
1469 enum rte_filter_type type,
1470 enum rte_filter_op op,
1473 if (type == RTE_ETH_FILTER_GENERIC &&
1474 op == RTE_ETH_FILTER_GET) {
1475 *(const void **)arg = &fs_flow_ops;
1481 const struct eth_dev_ops failsafe_ops = {
1482 .dev_configure = fs_dev_configure,
1483 .dev_start = fs_dev_start,
1484 .dev_stop = fs_dev_stop,
1485 .dev_set_link_down = fs_dev_set_link_down,
1486 .dev_set_link_up = fs_dev_set_link_up,
1487 .dev_close = fs_dev_close,
1488 .promiscuous_enable = fs_promiscuous_enable,
1489 .promiscuous_disable = fs_promiscuous_disable,
1490 .allmulticast_enable = fs_allmulticast_enable,
1491 .allmulticast_disable = fs_allmulticast_disable,
1492 .link_update = fs_link_update,
1493 .stats_get = fs_stats_get,
1494 .stats_reset = fs_stats_reset,
1495 .xstats_get = fs_xstats_get,
1496 .xstats_get_names = fs_xstats_get_names,
1497 .xstats_reset = fs_xstats_reset,
1498 .dev_infos_get = fs_dev_infos_get,
1499 .dev_supported_ptypes_get = fs_dev_supported_ptypes_get,
1500 .mtu_set = fs_mtu_set,
1501 .vlan_filter_set = fs_vlan_filter_set,
1502 .rx_queue_start = fs_rx_queue_start,
1503 .rx_queue_stop = fs_rx_queue_stop,
1504 .tx_queue_start = fs_tx_queue_start,
1505 .tx_queue_stop = fs_tx_queue_stop,
1506 .rx_queue_setup = fs_rx_queue_setup,
1507 .tx_queue_setup = fs_tx_queue_setup,
1508 .rx_queue_release = fs_rx_queue_release,
1509 .tx_queue_release = fs_tx_queue_release,
1510 .rx_queue_intr_enable = fs_rx_intr_enable,
1511 .rx_queue_intr_disable = fs_rx_intr_disable,
1512 .flow_ctrl_get = fs_flow_ctrl_get,
1513 .flow_ctrl_set = fs_flow_ctrl_set,
1514 .mac_addr_remove = fs_mac_addr_remove,
1515 .mac_addr_add = fs_mac_addr_add,
1516 .mac_addr_set = fs_mac_addr_set,
1517 .set_mc_addr_list = fs_set_mc_addr_list,
1518 .rss_hash_update = fs_rss_hash_update,
1519 .filter_ctrl = fs_filter_ctrl,