1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright (c) 2016-2018 Solarflare Communications Inc.
6 * This software was jointly developed between OKTET Labs (under contract
7 * for Solarflare) and Solarflare Communications, Inc.
11 #include <rte_ethdev_driver.h>
12 #include <rte_ethdev_pci.h>
14 #include <rte_bus_pci.h>
15 #include <rte_errno.h>
20 #include "sfc_debug.h"
22 #include "sfc_kvargs.h"
28 #include "sfc_dp_rx.h"
30 static struct sfc_dp_list sfc_dp_head =
31 TAILQ_HEAD_INITIALIZER(sfc_dp_head);
34 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
36 struct sfc_adapter *sa = dev->data->dev_private;
37 efx_nic_fw_info_t enfi;
42 * Return value of the callback is likely supposed to be
43 * equal to or greater than 0, nevertheless, if an error
44 * occurs, it will be desirable to pass it to the caller
46 if ((fw_version == NULL) || (fw_size == 0))
49 rc = efx_nic_get_fw_version(sa->nic, &enfi);
53 ret = snprintf(fw_version, fw_size,
54 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
55 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
56 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
60 if (enfi.enfi_dpcpu_fw_ids_valid) {
61 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
64 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
65 fw_size - dpcpu_fw_ids_offset,
66 " rx%" PRIx16 " tx%" PRIx16,
67 enfi.enfi_rx_dpcpu_fw_id,
68 enfi.enfi_tx_dpcpu_fw_id);
75 if (fw_size < (size_t)(++ret))
82 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
84 struct sfc_adapter *sa = dev->data->dev_private;
85 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
86 uint64_t txq_offloads_def = 0;
88 sfc_log_init(sa, "entry");
90 dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
91 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
93 /* Autonegotiation may be disabled */
94 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
95 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
96 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
97 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
98 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
99 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
100 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
102 dev_info->max_rx_queues = sa->rxq_max;
103 dev_info->max_tx_queues = sa->txq_max;
105 /* By default packets are dropped if no descriptors are available */
106 dev_info->default_rxconf.rx_drop_en = 1;
108 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa);
111 * rx_offload_capa includes both device and queue offloads since
112 * the latter may be requested on a per device basis which makes
113 * sense when some offloads are needed to be set on all queues.
115 dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) |
116 dev_info->rx_queue_offload_capa;
118 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa);
121 * tx_offload_capa includes both device and queue offloads since
122 * the latter may be requested on a per device basis which makes
123 * sense when some offloads are needed to be set on all queues.
125 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) |
126 dev_info->tx_queue_offload_capa;
128 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
129 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
131 dev_info->default_txconf.offloads |= txq_offloads_def;
133 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
134 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
135 !encp->enc_hw_tx_insert_vlan_enabled)
136 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
138 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
139 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
141 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL)
142 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP;
144 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT)
145 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT;
147 #if EFSYS_OPT_RX_SCALE
148 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
149 dev_info->reta_size = EFX_RSS_TBL_SIZE;
150 dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
151 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
155 /* Initialize to hardware limits */
156 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
157 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
158 /* The RXQ hardware requires that the descriptor count is a power
159 * of 2, but rx_desc_lim cannot properly describe that constraint.
161 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
163 /* Initialize to hardware limits */
164 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
165 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
167 * The TXQ hardware requires that the descriptor count is a power
168 * of 2, but tx_desc_lim cannot properly describe that constraint
170 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
172 if (sa->dp_rx->get_dev_info != NULL)
173 sa->dp_rx->get_dev_info(dev_info);
174 if (sa->dp_tx->get_dev_info != NULL)
175 sa->dp_tx->get_dev_info(dev_info);
178 static const uint32_t *
179 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
181 struct sfc_adapter *sa = dev->data->dev_private;
182 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
183 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported;
185 return sa->dp_rx->supported_ptypes_get(tunnel_encaps);
189 sfc_dev_configure(struct rte_eth_dev *dev)
191 struct rte_eth_dev_data *dev_data = dev->data;
192 struct sfc_adapter *sa = dev_data->dev_private;
195 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
196 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
198 sfc_adapter_lock(sa);
200 case SFC_ADAPTER_CONFIGURED:
202 case SFC_ADAPTER_INITIALIZED:
203 rc = sfc_configure(sa);
206 sfc_err(sa, "unexpected adapter state %u to configure",
211 sfc_adapter_unlock(sa);
213 sfc_log_init(sa, "done %d", rc);
219 sfc_dev_start(struct rte_eth_dev *dev)
221 struct sfc_adapter *sa = dev->data->dev_private;
224 sfc_log_init(sa, "entry");
226 sfc_adapter_lock(sa);
228 sfc_adapter_unlock(sa);
230 sfc_log_init(sa, "done %d", rc);
236 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
238 struct sfc_adapter *sa = dev->data->dev_private;
239 struct rte_eth_link *dev_link = &dev->data->dev_link;
240 struct rte_eth_link old_link;
241 struct rte_eth_link current_link;
243 sfc_log_init(sa, "entry");
246 EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
247 *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
249 if (sa->state != SFC_ADAPTER_STARTED) {
250 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
251 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
252 *(uint64_t *)&old_link,
253 *(uint64_t *)¤t_link))
255 } else if (wait_to_complete) {
256 efx_link_mode_t link_mode;
258 if (efx_port_poll(sa->nic, &link_mode) != 0)
259 link_mode = EFX_LINK_UNKNOWN;
260 sfc_port_link_mode_to_info(link_mode, ¤t_link);
262 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
263 *(uint64_t *)&old_link,
264 *(uint64_t *)¤t_link))
267 sfc_ev_mgmt_qpoll(sa);
268 *(int64_t *)¤t_link =
269 rte_atomic64_read((rte_atomic64_t *)dev_link);
272 if (old_link.link_status != current_link.link_status)
273 sfc_info(sa, "Link status is %s",
274 current_link.link_status ? "UP" : "DOWN");
276 return old_link.link_status == current_link.link_status ? 0 : -1;
280 sfc_dev_stop(struct rte_eth_dev *dev)
282 struct sfc_adapter *sa = dev->data->dev_private;
284 sfc_log_init(sa, "entry");
286 sfc_adapter_lock(sa);
288 sfc_adapter_unlock(sa);
290 sfc_log_init(sa, "done");
294 sfc_dev_set_link_up(struct rte_eth_dev *dev)
296 struct sfc_adapter *sa = dev->data->dev_private;
299 sfc_log_init(sa, "entry");
301 sfc_adapter_lock(sa);
303 sfc_adapter_unlock(sa);
310 sfc_dev_set_link_down(struct rte_eth_dev *dev)
312 struct sfc_adapter *sa = dev->data->dev_private;
314 sfc_log_init(sa, "entry");
316 sfc_adapter_lock(sa);
318 sfc_adapter_unlock(sa);
324 sfc_dev_close(struct rte_eth_dev *dev)
326 struct sfc_adapter *sa = dev->data->dev_private;
328 sfc_log_init(sa, "entry");
330 sfc_adapter_lock(sa);
332 case SFC_ADAPTER_STARTED:
334 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
336 case SFC_ADAPTER_CONFIGURED:
338 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
340 case SFC_ADAPTER_INITIALIZED:
343 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
346 sfc_adapter_unlock(sa);
348 sfc_log_init(sa, "done");
352 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
355 struct sfc_port *port;
357 struct sfc_adapter *sa = dev->data->dev_private;
358 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
359 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
361 sfc_adapter_lock(sa);
364 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
366 if (*toggle != enabled) {
369 if (port->isolated) {
370 sfc_warn(sa, "isolated mode is active on the port");
371 sfc_warn(sa, "the change is to be applied on the next "
372 "start provided that isolated mode is "
373 "disabled prior the next start");
374 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
375 (sfc_set_rx_mode(sa) != 0)) {
376 *toggle = !(enabled);
377 sfc_warn(sa, "Failed to %s %s mode",
378 ((enabled) ? "enable" : "disable"), desc);
382 sfc_adapter_unlock(sa);
386 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
388 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
392 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
394 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
398 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
400 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
404 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
406 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
410 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
411 uint16_t nb_rx_desc, unsigned int socket_id,
412 const struct rte_eth_rxconf *rx_conf,
413 struct rte_mempool *mb_pool)
415 struct sfc_adapter *sa = dev->data->dev_private;
418 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
419 rx_queue_id, nb_rx_desc, socket_id);
421 sfc_adapter_lock(sa);
423 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
428 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
430 sfc_adapter_unlock(sa);
435 sfc_adapter_unlock(sa);
441 sfc_rx_queue_release(void *queue)
443 struct sfc_dp_rxq *dp_rxq = queue;
445 struct sfc_adapter *sa;
446 unsigned int sw_index;
451 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
453 sfc_adapter_lock(sa);
455 sw_index = sfc_rxq_sw_index(rxq);
457 sfc_log_init(sa, "RxQ=%u", sw_index);
459 sa->eth_dev->data->rx_queues[sw_index] = NULL;
461 sfc_rx_qfini(sa, sw_index);
463 sfc_adapter_unlock(sa);
467 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
468 uint16_t nb_tx_desc, unsigned int socket_id,
469 const struct rte_eth_txconf *tx_conf)
471 struct sfc_adapter *sa = dev->data->dev_private;
474 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
475 tx_queue_id, nb_tx_desc, socket_id);
477 sfc_adapter_lock(sa);
479 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
483 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
485 sfc_adapter_unlock(sa);
489 sfc_adapter_unlock(sa);
495 sfc_tx_queue_release(void *queue)
497 struct sfc_dp_txq *dp_txq = queue;
499 unsigned int sw_index;
500 struct sfc_adapter *sa;
505 txq = sfc_txq_by_dp_txq(dp_txq);
506 sw_index = sfc_txq_sw_index(txq);
508 SFC_ASSERT(txq->evq != NULL);
511 sfc_log_init(sa, "TxQ = %u", sw_index);
513 sfc_adapter_lock(sa);
515 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
516 sa->eth_dev->data->tx_queues[sw_index] = NULL;
518 sfc_tx_qfini(sa, sw_index);
520 sfc_adapter_unlock(sa);
524 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
526 struct sfc_adapter *sa = dev->data->dev_private;
527 struct sfc_port *port = &sa->port;
531 rte_spinlock_lock(&port->mac_stats_lock);
533 ret = sfc_port_update_mac_stats(sa);
537 mac_stats = port->mac_stats_buf;
539 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
540 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
542 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
543 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
544 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
546 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
547 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
548 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
550 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
551 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
552 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
554 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
555 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
556 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
557 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
558 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
559 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
561 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
562 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
563 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
564 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
566 * Take into account stats which are whenever supported
567 * on EF10. If some stat is not supported by current
568 * firmware variant or HW revision, it is guaranteed
569 * to be zero in mac_stats.
572 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
573 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
574 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
575 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
576 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
577 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
578 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
579 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
580 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
581 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
583 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
584 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
585 mac_stats[EFX_MAC_RX_JABBER_PKTS];
586 /* no oerrors counters supported on EF10 */
590 rte_spinlock_unlock(&port->mac_stats_lock);
591 SFC_ASSERT(ret >= 0);
596 sfc_stats_reset(struct rte_eth_dev *dev)
598 struct sfc_adapter *sa = dev->data->dev_private;
599 struct sfc_port *port = &sa->port;
602 if (sa->state != SFC_ADAPTER_STARTED) {
604 * The operation cannot be done if port is not started; it
605 * will be scheduled to be done during the next port start
607 port->mac_stats_reset_pending = B_TRUE;
611 rc = sfc_port_reset_mac_stats(sa);
613 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
617 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
618 unsigned int xstats_count)
620 struct sfc_adapter *sa = dev->data->dev_private;
621 struct sfc_port *port = &sa->port;
627 rte_spinlock_lock(&port->mac_stats_lock);
629 rc = sfc_port_update_mac_stats(sa);
636 mac_stats = port->mac_stats_buf;
638 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
639 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
640 if (xstats != NULL && nstats < (int)xstats_count) {
641 xstats[nstats].id = nstats;
642 xstats[nstats].value = mac_stats[i];
649 rte_spinlock_unlock(&port->mac_stats_lock);
655 sfc_xstats_get_names(struct rte_eth_dev *dev,
656 struct rte_eth_xstat_name *xstats_names,
657 unsigned int xstats_count)
659 struct sfc_adapter *sa = dev->data->dev_private;
660 struct sfc_port *port = &sa->port;
662 unsigned int nstats = 0;
664 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
665 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
666 if (xstats_names != NULL && nstats < xstats_count)
667 strncpy(xstats_names[nstats].name,
668 efx_mac_stat_name(sa->nic, i),
669 sizeof(xstats_names[0].name));
678 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
679 uint64_t *values, unsigned int n)
681 struct sfc_adapter *sa = dev->data->dev_private;
682 struct sfc_port *port = &sa->port;
684 unsigned int nb_supported = 0;
685 unsigned int nb_written = 0;
690 if (unlikely(values == NULL) ||
691 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
692 return port->mac_stats_nb_supported;
694 rte_spinlock_lock(&port->mac_stats_lock);
696 rc = sfc_port_update_mac_stats(sa);
703 mac_stats = port->mac_stats_buf;
705 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
706 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
709 if ((ids == NULL) || (ids[nb_written] == nb_supported))
710 values[nb_written++] = mac_stats[i];
718 rte_spinlock_unlock(&port->mac_stats_lock);
724 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
725 struct rte_eth_xstat_name *xstats_names,
726 const uint64_t *ids, unsigned int size)
728 struct sfc_adapter *sa = dev->data->dev_private;
729 struct sfc_port *port = &sa->port;
730 unsigned int nb_supported = 0;
731 unsigned int nb_written = 0;
734 if (unlikely(xstats_names == NULL) ||
735 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
736 return port->mac_stats_nb_supported;
738 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
739 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
742 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
743 char *name = xstats_names[nb_written++].name;
745 strncpy(name, efx_mac_stat_name(sa->nic, i),
746 sizeof(xstats_names[0].name));
747 name[sizeof(xstats_names[0].name) - 1] = '\0';
757 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
759 struct sfc_adapter *sa = dev->data->dev_private;
760 unsigned int wanted_fc, link_fc;
762 memset(fc_conf, 0, sizeof(*fc_conf));
764 sfc_adapter_lock(sa);
766 if (sa->state == SFC_ADAPTER_STARTED)
767 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
769 link_fc = sa->port.flow_ctrl;
773 fc_conf->mode = RTE_FC_NONE;
775 case EFX_FCNTL_RESPOND:
776 fc_conf->mode = RTE_FC_RX_PAUSE;
778 case EFX_FCNTL_GENERATE:
779 fc_conf->mode = RTE_FC_TX_PAUSE;
781 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
782 fc_conf->mode = RTE_FC_FULL;
785 sfc_err(sa, "%s: unexpected flow control value %#x",
789 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
791 sfc_adapter_unlock(sa);
797 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
799 struct sfc_adapter *sa = dev->data->dev_private;
800 struct sfc_port *port = &sa->port;
804 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
805 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
806 fc_conf->mac_ctrl_frame_fwd != 0) {
807 sfc_err(sa, "unsupported flow control settings specified");
812 switch (fc_conf->mode) {
816 case RTE_FC_RX_PAUSE:
817 fcntl = EFX_FCNTL_RESPOND;
819 case RTE_FC_TX_PAUSE:
820 fcntl = EFX_FCNTL_GENERATE;
823 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
830 sfc_adapter_lock(sa);
832 if (sa->state == SFC_ADAPTER_STARTED) {
833 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
835 goto fail_mac_fcntl_set;
838 port->flow_ctrl = fcntl;
839 port->flow_ctrl_autoneg = fc_conf->autoneg;
841 sfc_adapter_unlock(sa);
846 sfc_adapter_unlock(sa);
853 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
855 struct sfc_adapter *sa = dev->data->dev_private;
856 size_t pdu = EFX_MAC_PDU(mtu);
860 sfc_log_init(sa, "mtu=%u", mtu);
863 if (pdu < EFX_MAC_PDU_MIN) {
864 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
865 (unsigned int)mtu, (unsigned int)pdu,
869 if (pdu > EFX_MAC_PDU_MAX) {
870 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
871 (unsigned int)mtu, (unsigned int)pdu,
876 sfc_adapter_lock(sa);
878 if (pdu != sa->port.pdu) {
879 if (sa->state == SFC_ADAPTER_STARTED) {
882 old_pdu = sa->port.pdu;
893 * The driver does not use it, but other PMDs update jumbo_frame
894 * flag and max_rx_pkt_len when MTU is set.
896 if (mtu > ETHER_MAX_LEN) {
897 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
899 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
900 rxmode->jumbo_frame = 1;
903 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
905 sfc_adapter_unlock(sa);
907 sfc_log_init(sa, "done");
911 sa->port.pdu = old_pdu;
912 if (sfc_start(sa) != 0)
913 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
914 "PDU max size - port is stopped",
915 (unsigned int)pdu, (unsigned int)old_pdu);
916 sfc_adapter_unlock(sa);
919 sfc_log_init(sa, "failed %d", rc);
924 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
926 struct sfc_adapter *sa = dev->data->dev_private;
927 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
928 struct sfc_port *port = &sa->port;
931 sfc_adapter_lock(sa);
934 * Copy the address to the device private data so that
935 * it could be recalled in the case of adapter restart.
937 ether_addr_copy(mac_addr, &port->default_mac_addr);
939 if (port->isolated) {
940 sfc_err(sa, "isolated mode is active on the port");
941 sfc_err(sa, "will not set MAC address");
945 if (sa->state != SFC_ADAPTER_STARTED) {
946 sfc_info(sa, "the port is not started");
947 sfc_info(sa, "the new MAC address will be set on port start");
952 if (encp->enc_allow_set_mac_with_installed_filters) {
953 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
955 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
960 * Changing the MAC address by means of MCDI request
961 * has no effect on received traffic, therefore
962 * we also need to update unicast filters
964 rc = sfc_set_rx_mode(sa);
966 sfc_err(sa, "cannot set filter (rc = %u)", rc);
968 sfc_warn(sa, "cannot set MAC address with filters installed");
969 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
970 sfc_warn(sa, "(some traffic may be dropped)");
973 * Since setting MAC address with filters installed is not
974 * allowed on the adapter, the new MAC address will be set
975 * by means of adapter restart. sfc_start() shall retrieve
976 * the new address from the device private data and set it.
981 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
986 * In the case of failure sa->port->default_mac_addr does not
987 * need rollback since no error code is returned, and the upper
988 * API will anyway update the external MAC address storage.
989 * To be consistent with that new value it is better to keep
990 * the device private value the same.
992 sfc_adapter_unlock(sa);
997 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
1000 struct sfc_adapter *sa = dev->data->dev_private;
1001 struct sfc_port *port = &sa->port;
1002 uint8_t *mc_addrs = port->mcast_addrs;
1006 if (port->isolated) {
1007 sfc_err(sa, "isolated mode is active on the port");
1008 sfc_err(sa, "will not set multicast address list");
1012 if (mc_addrs == NULL)
1015 if (nb_mc_addr > port->max_mcast_addrs) {
1016 sfc_err(sa, "too many multicast addresses: %u > %u",
1017 nb_mc_addr, port->max_mcast_addrs);
1021 for (i = 0; i < nb_mc_addr; ++i) {
1022 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1024 mc_addrs += EFX_MAC_ADDR_LEN;
1027 port->nb_mcast_addrs = nb_mc_addr;
1029 if (sa->state != SFC_ADAPTER_STARTED)
1032 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1033 port->nb_mcast_addrs);
1035 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1042 * The function is used by the secondary process as well. It must not
1043 * use any process-local pointers from the adapter data.
1046 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1047 struct rte_eth_rxq_info *qinfo)
1049 struct sfc_adapter *sa = dev->data->dev_private;
1050 struct sfc_rxq_info *rxq_info;
1051 struct sfc_rxq *rxq;
1053 sfc_adapter_lock(sa);
1055 SFC_ASSERT(rx_queue_id < sa->rxq_count);
1057 rxq_info = &sa->rxq_info[rx_queue_id];
1058 rxq = rxq_info->rxq;
1059 SFC_ASSERT(rxq != NULL);
1061 qinfo->mp = rxq->refill_mb_pool;
1062 qinfo->conf.rx_free_thresh = rxq->refill_threshold;
1063 qinfo->conf.rx_drop_en = 1;
1064 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1065 qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM |
1066 DEV_RX_OFFLOAD_UDP_CKSUM |
1067 DEV_RX_OFFLOAD_TCP_CKSUM;
1068 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1069 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1070 qinfo->scattered_rx = 1;
1072 qinfo->nb_desc = rxq_info->entries;
1074 sfc_adapter_unlock(sa);
1078 * The function is used by the secondary process as well. It must not
1079 * use any process-local pointers from the adapter data.
1082 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1083 struct rte_eth_txq_info *qinfo)
1085 struct sfc_adapter *sa = dev->data->dev_private;
1086 struct sfc_txq_info *txq_info;
1088 sfc_adapter_lock(sa);
1090 SFC_ASSERT(tx_queue_id < sa->txq_count);
1092 txq_info = &sa->txq_info[tx_queue_id];
1093 SFC_ASSERT(txq_info->txq != NULL);
1095 memset(qinfo, 0, sizeof(*qinfo));
1097 qinfo->conf.txq_flags = txq_info->txq->flags;
1098 qinfo->conf.offloads = txq_info->txq->offloads;
1099 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
1100 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1101 qinfo->nb_desc = txq_info->entries;
1103 sfc_adapter_unlock(sa);
1107 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1109 struct sfc_adapter *sa = dev->data->dev_private;
1111 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1113 return sfc_rx_qdesc_npending(sa, rx_queue_id);
1117 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1119 struct sfc_dp_rxq *dp_rxq = queue;
1121 return sfc_rx_qdesc_done(dp_rxq, offset);
1125 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1127 struct sfc_dp_rxq *dp_rxq = queue;
1128 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
1130 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset);
1134 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1136 struct sfc_dp_txq *dp_txq = queue;
1137 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq);
1139 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset);
1143 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1145 struct sfc_adapter *sa = dev->data->dev_private;
1148 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1150 sfc_adapter_lock(sa);
1153 if (sa->state != SFC_ADAPTER_STARTED)
1154 goto fail_not_started;
1156 rc = sfc_rx_qstart(sa, rx_queue_id);
1158 goto fail_rx_qstart;
1160 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
1162 sfc_adapter_unlock(sa);
1168 sfc_adapter_unlock(sa);
1174 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1176 struct sfc_adapter *sa = dev->data->dev_private;
1178 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1180 sfc_adapter_lock(sa);
1181 sfc_rx_qstop(sa, rx_queue_id);
1183 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
1185 sfc_adapter_unlock(sa);
1191 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1193 struct sfc_adapter *sa = dev->data->dev_private;
1196 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1198 sfc_adapter_lock(sa);
1201 if (sa->state != SFC_ADAPTER_STARTED)
1202 goto fail_not_started;
1204 rc = sfc_tx_qstart(sa, tx_queue_id);
1206 goto fail_tx_qstart;
1208 sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
1210 sfc_adapter_unlock(sa);
1216 sfc_adapter_unlock(sa);
1222 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1224 struct sfc_adapter *sa = dev->data->dev_private;
1226 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1228 sfc_adapter_lock(sa);
1230 sfc_tx_qstop(sa, tx_queue_id);
1232 sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
1234 sfc_adapter_unlock(sa);
1238 static efx_tunnel_protocol_t
1239 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1242 case RTE_TUNNEL_TYPE_VXLAN:
1243 return EFX_TUNNEL_PROTOCOL_VXLAN;
1244 case RTE_TUNNEL_TYPE_GENEVE:
1245 return EFX_TUNNEL_PROTOCOL_GENEVE;
1247 return EFX_TUNNEL_NPROTOS;
1251 enum sfc_udp_tunnel_op_e {
1252 SFC_UDP_TUNNEL_ADD_PORT,
1253 SFC_UDP_TUNNEL_DEL_PORT,
1257 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1258 struct rte_eth_udp_tunnel *tunnel_udp,
1259 enum sfc_udp_tunnel_op_e op)
1261 struct sfc_adapter *sa = dev->data->dev_private;
1262 efx_tunnel_protocol_t tunnel_proto;
1265 sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1266 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1267 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1268 tunnel_udp->udp_port, tunnel_udp->prot_type);
1271 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1272 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1274 goto fail_bad_proto;
1277 sfc_adapter_lock(sa);
1280 case SFC_UDP_TUNNEL_ADD_PORT:
1281 rc = efx_tunnel_config_udp_add(sa->nic,
1282 tunnel_udp->udp_port,
1285 case SFC_UDP_TUNNEL_DEL_PORT:
1286 rc = efx_tunnel_config_udp_remove(sa->nic,
1287 tunnel_udp->udp_port,
1298 if (sa->state == SFC_ADAPTER_STARTED) {
1299 rc = efx_tunnel_reconfigure(sa->nic);
1302 * Configuration is accepted by FW and MC reboot
1303 * is initiated to apply the changes. MC reboot
1304 * will be handled in a usual way (MC reboot
1305 * event on management event queue and adapter
1309 } else if (rc != 0) {
1310 goto fail_reconfigure;
1314 sfc_adapter_unlock(sa);
1318 /* Remove/restore entry since the change makes the trouble */
1320 case SFC_UDP_TUNNEL_ADD_PORT:
1321 (void)efx_tunnel_config_udp_remove(sa->nic,
1322 tunnel_udp->udp_port,
1325 case SFC_UDP_TUNNEL_DEL_PORT:
1326 (void)efx_tunnel_config_udp_add(sa->nic,
1327 tunnel_udp->udp_port,
1334 sfc_adapter_unlock(sa);
1342 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1343 struct rte_eth_udp_tunnel *tunnel_udp)
1345 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1349 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1350 struct rte_eth_udp_tunnel *tunnel_udp)
1352 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1355 #if EFSYS_OPT_RX_SCALE
1357 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1358 struct rte_eth_rss_conf *rss_conf)
1360 struct sfc_adapter *sa = dev->data->dev_private;
1361 struct sfc_port *port = &sa->port;
1363 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1366 if (sa->rss_channels == 0)
1369 sfc_adapter_lock(sa);
1372 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1373 * hence, conversion is done here to derive a correct set of ETH_RSS
1374 * flags which corresponds to the active EFX configuration stored
1375 * locally in 'sfc_adapter' and kept up-to-date
1377 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
1378 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1379 if (rss_conf->rss_key != NULL)
1380 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE);
1382 sfc_adapter_unlock(sa);
1388 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1389 struct rte_eth_rss_conf *rss_conf)
1391 struct sfc_adapter *sa = dev->data->dev_private;
1392 struct sfc_port *port = &sa->port;
1393 unsigned int efx_hash_types;
1399 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1400 sfc_err(sa, "RSS is not available");
1404 if (sa->rss_channels == 0) {
1405 sfc_err(sa, "RSS is not configured");
1409 if ((rss_conf->rss_key != NULL) &&
1410 (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
1411 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1412 sizeof(sa->rss_key));
1416 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
1417 sfc_err(sa, "unsupported hash functions requested");
1421 sfc_adapter_lock(sa);
1423 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
1425 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1426 EFX_RX_HASHALG_TOEPLITZ,
1427 efx_hash_types, B_TRUE);
1429 goto fail_scale_mode_set;
1431 if (rss_conf->rss_key != NULL) {
1432 if (sa->state == SFC_ADAPTER_STARTED) {
1433 rc = efx_rx_scale_key_set(sa->nic,
1434 EFX_RSS_CONTEXT_DEFAULT,
1436 sizeof(sa->rss_key));
1438 goto fail_scale_key_set;
1441 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
1444 sa->rss_hash_types = efx_hash_types;
1446 sfc_adapter_unlock(sa);
1451 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1452 EFX_RX_HASHALG_TOEPLITZ,
1453 sa->rss_hash_types, B_TRUE) != 0)
1454 sfc_err(sa, "failed to restore RSS mode");
1456 fail_scale_mode_set:
1457 sfc_adapter_unlock(sa);
1462 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1463 struct rte_eth_rss_reta_entry64 *reta_conf,
1466 struct sfc_adapter *sa = dev->data->dev_private;
1467 struct sfc_port *port = &sa->port;
1470 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1473 if (sa->rss_channels == 0)
1476 if (reta_size != EFX_RSS_TBL_SIZE)
1479 sfc_adapter_lock(sa);
1481 for (entry = 0; entry < reta_size; entry++) {
1482 int grp = entry / RTE_RETA_GROUP_SIZE;
1483 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1485 if ((reta_conf[grp].mask >> grp_idx) & 1)
1486 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
1489 sfc_adapter_unlock(sa);
1495 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1496 struct rte_eth_rss_reta_entry64 *reta_conf,
1499 struct sfc_adapter *sa = dev->data->dev_private;
1500 struct sfc_port *port = &sa->port;
1501 unsigned int *rss_tbl_new;
1509 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1510 sfc_err(sa, "RSS is not available");
1514 if (sa->rss_channels == 0) {
1515 sfc_err(sa, "RSS is not configured");
1519 if (reta_size != EFX_RSS_TBL_SIZE) {
1520 sfc_err(sa, "RETA size is wrong (should be %u)",
1525 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
1526 if (rss_tbl_new == NULL)
1529 sfc_adapter_lock(sa);
1531 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
1533 for (entry = 0; entry < reta_size; entry++) {
1534 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1535 struct rte_eth_rss_reta_entry64 *grp;
1537 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1539 if (grp->mask & (1ull << grp_idx)) {
1540 if (grp->reta[grp_idx] >= sa->rss_channels) {
1542 goto bad_reta_entry;
1544 rss_tbl_new[entry] = grp->reta[grp_idx];
1548 if (sa->state == SFC_ADAPTER_STARTED) {
1549 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1550 rss_tbl_new, EFX_RSS_TBL_SIZE);
1552 goto fail_scale_tbl_set;
1555 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
1559 sfc_adapter_unlock(sa);
1561 rte_free(rss_tbl_new);
1563 SFC_ASSERT(rc >= 0);
1569 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
1570 enum rte_filter_op filter_op,
1573 struct sfc_adapter *sa = dev->data->dev_private;
1576 sfc_log_init(sa, "entry");
1578 switch (filter_type) {
1579 case RTE_ETH_FILTER_NONE:
1580 sfc_err(sa, "Global filters configuration not supported");
1582 case RTE_ETH_FILTER_MACVLAN:
1583 sfc_err(sa, "MACVLAN filters not supported");
1585 case RTE_ETH_FILTER_ETHERTYPE:
1586 sfc_err(sa, "EtherType filters not supported");
1588 case RTE_ETH_FILTER_FLEXIBLE:
1589 sfc_err(sa, "Flexible filters not supported");
1591 case RTE_ETH_FILTER_SYN:
1592 sfc_err(sa, "SYN filters not supported");
1594 case RTE_ETH_FILTER_NTUPLE:
1595 sfc_err(sa, "NTUPLE filters not supported");
1597 case RTE_ETH_FILTER_TUNNEL:
1598 sfc_err(sa, "Tunnel filters not supported");
1600 case RTE_ETH_FILTER_FDIR:
1601 sfc_err(sa, "Flow Director filters not supported");
1603 case RTE_ETH_FILTER_HASH:
1604 sfc_err(sa, "Hash filters not supported");
1606 case RTE_ETH_FILTER_GENERIC:
1607 if (filter_op != RTE_ETH_FILTER_GET) {
1610 *(const void **)arg = &sfc_flow_ops;
1615 sfc_err(sa, "Unknown filter type %u", filter_type);
1619 sfc_log_init(sa, "exit: %d", -rc);
1620 SFC_ASSERT(rc >= 0);
1624 static const struct eth_dev_ops sfc_eth_dev_ops = {
1625 .dev_configure = sfc_dev_configure,
1626 .dev_start = sfc_dev_start,
1627 .dev_stop = sfc_dev_stop,
1628 .dev_set_link_up = sfc_dev_set_link_up,
1629 .dev_set_link_down = sfc_dev_set_link_down,
1630 .dev_close = sfc_dev_close,
1631 .promiscuous_enable = sfc_dev_promisc_enable,
1632 .promiscuous_disable = sfc_dev_promisc_disable,
1633 .allmulticast_enable = sfc_dev_allmulti_enable,
1634 .allmulticast_disable = sfc_dev_allmulti_disable,
1635 .link_update = sfc_dev_link_update,
1636 .stats_get = sfc_stats_get,
1637 .stats_reset = sfc_stats_reset,
1638 .xstats_get = sfc_xstats_get,
1639 .xstats_reset = sfc_stats_reset,
1640 .xstats_get_names = sfc_xstats_get_names,
1641 .dev_infos_get = sfc_dev_infos_get,
1642 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1643 .mtu_set = sfc_dev_set_mtu,
1644 .rx_queue_start = sfc_rx_queue_start,
1645 .rx_queue_stop = sfc_rx_queue_stop,
1646 .tx_queue_start = sfc_tx_queue_start,
1647 .tx_queue_stop = sfc_tx_queue_stop,
1648 .rx_queue_setup = sfc_rx_queue_setup,
1649 .rx_queue_release = sfc_rx_queue_release,
1650 .rx_queue_count = sfc_rx_queue_count,
1651 .rx_descriptor_done = sfc_rx_descriptor_done,
1652 .rx_descriptor_status = sfc_rx_descriptor_status,
1653 .tx_descriptor_status = sfc_tx_descriptor_status,
1654 .tx_queue_setup = sfc_tx_queue_setup,
1655 .tx_queue_release = sfc_tx_queue_release,
1656 .flow_ctrl_get = sfc_flow_ctrl_get,
1657 .flow_ctrl_set = sfc_flow_ctrl_set,
1658 .mac_addr_set = sfc_mac_addr_set,
1659 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add,
1660 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del,
1661 #if EFSYS_OPT_RX_SCALE
1662 .reta_update = sfc_dev_rss_reta_update,
1663 .reta_query = sfc_dev_rss_reta_query,
1664 .rss_hash_update = sfc_dev_rss_hash_update,
1665 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1667 .filter_ctrl = sfc_dev_filter_ctrl,
1668 .set_mc_addr_list = sfc_set_mc_addr_list,
1669 .rxq_info_get = sfc_rx_queue_info_get,
1670 .txq_info_get = sfc_tx_queue_info_get,
1671 .fw_version_get = sfc_fw_version_get,
1672 .xstats_get_by_id = sfc_xstats_get_by_id,
1673 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1677 * Duplicate a string in potentially shared memory required for
1678 * multi-process support.
1680 * strdup() allocates from process-local heap/memory.
1683 sfc_strdup(const char *str)
1691 size = strlen(str) + 1;
1692 copy = rte_malloc(__func__, size, 0);
1694 rte_memcpy(copy, str, size);
1700 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1702 struct sfc_adapter *sa = dev->data->dev_private;
1703 unsigned int avail_caps = 0;
1704 const char *rx_name = NULL;
1705 const char *tx_name = NULL;
1708 switch (sa->family) {
1709 case EFX_FAMILY_HUNTINGTON:
1710 case EFX_FAMILY_MEDFORD:
1711 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1717 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1718 sfc_kvarg_string_handler, &rx_name);
1720 goto fail_kvarg_rx_datapath;
1722 if (rx_name != NULL) {
1723 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1724 if (sa->dp_rx == NULL) {
1725 sfc_err(sa, "Rx datapath %s not found", rx_name);
1729 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
1731 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1734 goto fail_dp_rx_caps;
1737 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1738 if (sa->dp_rx == NULL) {
1739 sfc_err(sa, "Rx datapath by caps %#x not found",
1746 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name);
1747 if (sa->dp_rx_name == NULL) {
1749 goto fail_dp_rx_name;
1752 sfc_info(sa, "use %s Rx datapath", sa->dp_rx_name);
1754 dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
1756 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1757 sfc_kvarg_string_handler, &tx_name);
1759 goto fail_kvarg_tx_datapath;
1761 if (tx_name != NULL) {
1762 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1763 if (sa->dp_tx == NULL) {
1764 sfc_err(sa, "Tx datapath %s not found", tx_name);
1768 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
1770 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1773 goto fail_dp_tx_caps;
1776 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1777 if (sa->dp_tx == NULL) {
1778 sfc_err(sa, "Tx datapath by caps %#x not found",
1785 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name);
1786 if (sa->dp_tx_name == NULL) {
1788 goto fail_dp_tx_name;
1791 sfc_info(sa, "use %s Tx datapath", sa->dp_tx_name);
1793 dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
1795 dev->dev_ops = &sfc_eth_dev_ops;
1804 fail_kvarg_tx_datapath:
1805 rte_free(sa->dp_rx_name);
1806 sa->dp_rx_name = NULL;
1813 fail_kvarg_rx_datapath:
1818 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
1820 struct sfc_adapter *sa = dev->data->dev_private;
1822 dev->dev_ops = NULL;
1823 dev->rx_pkt_burst = NULL;
1824 dev->tx_pkt_burst = NULL;
1826 rte_free(sa->dp_tx_name);
1827 sa->dp_tx_name = NULL;
1830 rte_free(sa->dp_rx_name);
1831 sa->dp_rx_name = NULL;
1835 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
1836 .rxq_info_get = sfc_rx_queue_info_get,
1837 .txq_info_get = sfc_tx_queue_info_get,
1841 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev)
1844 * Device private data has really many process-local pointers.
1845 * Below code should be extremely careful to use data located
1846 * in shared memory only.
1848 struct sfc_adapter *sa = dev->data->dev_private;
1849 const struct sfc_dp_rx *dp_rx;
1850 const struct sfc_dp_tx *dp_tx;
1853 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name);
1854 if (dp_rx == NULL) {
1855 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name);
1859 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
1860 sfc_err(sa, "%s Rx datapath does not support multi-process",
1863 goto fail_dp_rx_multi_process;
1866 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name);
1867 if (dp_tx == NULL) {
1868 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name);
1872 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
1873 sfc_err(sa, "%s Tx datapath does not support multi-process",
1876 goto fail_dp_tx_multi_process;
1879 dev->rx_pkt_burst = dp_rx->pkt_burst;
1880 dev->tx_pkt_burst = dp_tx->pkt_burst;
1881 dev->dev_ops = &sfc_eth_dev_secondary_ops;
1885 fail_dp_tx_multi_process:
1887 fail_dp_rx_multi_process:
1893 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
1895 dev->dev_ops = NULL;
1896 dev->tx_pkt_burst = NULL;
1897 dev->rx_pkt_burst = NULL;
1901 sfc_register_dp(void)
1904 if (TAILQ_EMPTY(&sfc_dp_head)) {
1905 /* Prefer EF10 datapath */
1906 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
1907 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
1909 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
1910 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
1911 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
1916 sfc_eth_dev_init(struct rte_eth_dev *dev)
1918 struct sfc_adapter *sa = dev->data->dev_private;
1919 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1921 const efx_nic_cfg_t *encp;
1922 const struct ether_addr *from;
1926 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1927 return -sfc_eth_dev_secondary_set_ops(dev);
1929 /* Required for logging */
1930 sa->pci_addr = pci_dev->addr;
1931 sa->port_id = dev->data->port_id;
1935 /* Copy PCI device info to the dev->data */
1936 rte_eth_copy_pci_info(dev, pci_dev);
1938 rc = sfc_kvargs_parse(sa);
1940 goto fail_kvargs_parse;
1942 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
1943 sfc_kvarg_bool_handler, &sa->debug_init);
1945 goto fail_kvarg_debug_init;
1947 sfc_log_init(sa, "entry");
1949 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1950 if (dev->data->mac_addrs == NULL) {
1952 goto fail_mac_addrs;
1955 sfc_adapter_lock_init(sa);
1956 sfc_adapter_lock(sa);
1958 sfc_log_init(sa, "probing");
1963 sfc_log_init(sa, "set device ops");
1964 rc = sfc_eth_dev_set_ops(dev);
1968 sfc_log_init(sa, "attaching");
1969 rc = sfc_attach(sa);
1973 encp = efx_nic_cfg_get(sa->nic);
1976 * The arguments are really reverse order in comparison to
1977 * Linux kernel. Copy from NIC config to Ethernet device data.
1979 from = (const struct ether_addr *)(encp->enc_mac_addr);
1980 ether_addr_copy(from, &dev->data->mac_addrs[0]);
1982 sfc_adapter_unlock(sa);
1984 sfc_log_init(sa, "done");
1988 sfc_eth_dev_clear_ops(dev);
1994 sfc_adapter_unlock(sa);
1995 sfc_adapter_lock_fini(sa);
1996 rte_free(dev->data->mac_addrs);
1997 dev->data->mac_addrs = NULL;
2000 fail_kvarg_debug_init:
2001 sfc_kvargs_cleanup(sa);
2004 sfc_log_init(sa, "failed %d", rc);
2010 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
2012 struct sfc_adapter *sa;
2014 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2015 sfc_eth_dev_secondary_clear_ops(dev);
2019 sa = dev->data->dev_private;
2020 sfc_log_init(sa, "entry");
2022 sfc_adapter_lock(sa);
2024 sfc_eth_dev_clear_ops(dev);
2029 rte_free(dev->data->mac_addrs);
2030 dev->data->mac_addrs = NULL;
2032 sfc_kvargs_cleanup(sa);
2034 sfc_adapter_unlock(sa);
2035 sfc_adapter_lock_fini(sa);
2037 sfc_log_init(sa, "done");
2039 /* Required for logging, so cleanup last */
2044 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2045 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2046 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2047 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2048 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2049 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2050 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2051 { .vendor_id = 0 /* sentinel */ }
2054 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2055 struct rte_pci_device *pci_dev)
2057 return rte_eth_dev_pci_generic_probe(pci_dev,
2058 sizeof(struct sfc_adapter), sfc_eth_dev_init);
2061 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2063 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2066 static struct rte_pci_driver sfc_efx_pmd = {
2067 .id_table = pci_id_sfc_efx_map,
2069 RTE_PCI_DRV_INTR_LSC |
2070 RTE_PCI_DRV_NEED_MAPPING,
2071 .probe = sfc_eth_dev_pci_probe,
2072 .remove = sfc_eth_dev_pci_remove,
2075 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2076 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2077 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2078 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2079 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2080 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2081 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2082 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> "
2083 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
2084 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);