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 uint32_t sfc_logtype_driver;
32 static struct sfc_dp_list sfc_dp_head =
33 TAILQ_HEAD_INITIALIZER(sfc_dp_head);
36 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
38 struct sfc_adapter *sa = dev->data->dev_private;
39 efx_nic_fw_info_t enfi;
44 * Return value of the callback is likely supposed to be
45 * equal to or greater than 0, nevertheless, if an error
46 * occurs, it will be desirable to pass it to the caller
48 if ((fw_version == NULL) || (fw_size == 0))
51 rc = efx_nic_get_fw_version(sa->nic, &enfi);
55 ret = snprintf(fw_version, fw_size,
56 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
57 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
58 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
62 if (enfi.enfi_dpcpu_fw_ids_valid) {
63 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
66 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
67 fw_size - dpcpu_fw_ids_offset,
68 " rx%" PRIx16 " tx%" PRIx16,
69 enfi.enfi_rx_dpcpu_fw_id,
70 enfi.enfi_tx_dpcpu_fw_id);
77 if (fw_size < (size_t)(++ret))
84 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
86 struct sfc_adapter *sa = dev->data->dev_private;
87 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
88 uint64_t txq_offloads_def = 0;
90 sfc_log_init(sa, "entry");
92 dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
93 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
95 /* Autonegotiation may be disabled */
96 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
97 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
98 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
99 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
100 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
101 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_25000FDX)
102 dev_info->speed_capa |= ETH_LINK_SPEED_25G;
103 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
104 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
105 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_50000FDX)
106 dev_info->speed_capa |= ETH_LINK_SPEED_50G;
107 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_100000FDX)
108 dev_info->speed_capa |= ETH_LINK_SPEED_100G;
110 dev_info->max_rx_queues = sa->rxq_max;
111 dev_info->max_tx_queues = sa->txq_max;
113 /* By default packets are dropped if no descriptors are available */
114 dev_info->default_rxconf.rx_drop_en = 1;
116 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa);
119 * rx_offload_capa includes both device and queue offloads since
120 * the latter may be requested on a per device basis which makes
121 * sense when some offloads are needed to be set on all queues.
123 dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) |
124 dev_info->rx_queue_offload_capa;
126 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa);
129 * tx_offload_capa includes both device and queue offloads since
130 * the latter may be requested on a per device basis which makes
131 * sense when some offloads are needed to be set on all queues.
133 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) |
134 dev_info->tx_queue_offload_capa;
136 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
137 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
139 dev_info->default_txconf.offloads |= txq_offloads_def;
141 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
142 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
143 !encp->enc_hw_tx_insert_vlan_enabled)
144 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
146 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
147 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
149 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL)
150 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP;
152 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT)
153 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT;
155 #if EFSYS_OPT_RX_SCALE
156 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
157 dev_info->reta_size = EFX_RSS_TBL_SIZE;
158 dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
159 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
163 /* Initialize to hardware limits */
164 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
165 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
166 /* The RXQ hardware requires that the descriptor count is a power
167 * of 2, but rx_desc_lim cannot properly describe that constraint.
169 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
171 /* Initialize to hardware limits */
172 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
173 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
175 * The TXQ hardware requires that the descriptor count is a power
176 * of 2, but tx_desc_lim cannot properly describe that constraint
178 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
180 if (sa->dp_rx->get_dev_info != NULL)
181 sa->dp_rx->get_dev_info(dev_info);
182 if (sa->dp_tx->get_dev_info != NULL)
183 sa->dp_tx->get_dev_info(dev_info);
186 static const uint32_t *
187 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
189 struct sfc_adapter *sa = dev->data->dev_private;
190 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
191 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported;
193 return sa->dp_rx->supported_ptypes_get(tunnel_encaps);
197 sfc_dev_configure(struct rte_eth_dev *dev)
199 struct rte_eth_dev_data *dev_data = dev->data;
200 struct sfc_adapter *sa = dev_data->dev_private;
203 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
204 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
206 sfc_adapter_lock(sa);
208 case SFC_ADAPTER_CONFIGURED:
210 case SFC_ADAPTER_INITIALIZED:
211 rc = sfc_configure(sa);
214 sfc_err(sa, "unexpected adapter state %u to configure",
219 sfc_adapter_unlock(sa);
221 sfc_log_init(sa, "done %d", rc);
227 sfc_dev_start(struct rte_eth_dev *dev)
229 struct sfc_adapter *sa = dev->data->dev_private;
232 sfc_log_init(sa, "entry");
234 sfc_adapter_lock(sa);
236 sfc_adapter_unlock(sa);
238 sfc_log_init(sa, "done %d", rc);
244 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
246 struct sfc_adapter *sa = dev->data->dev_private;
247 struct rte_eth_link current_link;
250 sfc_log_init(sa, "entry");
252 if (sa->state != SFC_ADAPTER_STARTED) {
253 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
254 } else if (wait_to_complete) {
255 efx_link_mode_t link_mode;
257 if (efx_port_poll(sa->nic, &link_mode) != 0)
258 link_mode = EFX_LINK_UNKNOWN;
259 sfc_port_link_mode_to_info(link_mode, ¤t_link);
262 sfc_ev_mgmt_qpoll(sa);
263 rte_eth_linkstatus_get(dev, ¤t_link);
266 ret = rte_eth_linkstatus_set(dev, ¤t_link);
268 sfc_notice(sa, "Link status is %s",
269 current_link.link_status ? "UP" : "DOWN");
275 sfc_dev_stop(struct rte_eth_dev *dev)
277 struct sfc_adapter *sa = dev->data->dev_private;
279 sfc_log_init(sa, "entry");
281 sfc_adapter_lock(sa);
283 sfc_adapter_unlock(sa);
285 sfc_log_init(sa, "done");
289 sfc_dev_set_link_up(struct rte_eth_dev *dev)
291 struct sfc_adapter *sa = dev->data->dev_private;
294 sfc_log_init(sa, "entry");
296 sfc_adapter_lock(sa);
298 sfc_adapter_unlock(sa);
305 sfc_dev_set_link_down(struct rte_eth_dev *dev)
307 struct sfc_adapter *sa = dev->data->dev_private;
309 sfc_log_init(sa, "entry");
311 sfc_adapter_lock(sa);
313 sfc_adapter_unlock(sa);
319 sfc_dev_close(struct rte_eth_dev *dev)
321 struct sfc_adapter *sa = dev->data->dev_private;
323 sfc_log_init(sa, "entry");
325 sfc_adapter_lock(sa);
327 case SFC_ADAPTER_STARTED:
329 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
331 case SFC_ADAPTER_CONFIGURED:
333 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
335 case SFC_ADAPTER_INITIALIZED:
338 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
341 sfc_adapter_unlock(sa);
343 sfc_log_init(sa, "done");
347 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
350 struct sfc_port *port;
352 struct sfc_adapter *sa = dev->data->dev_private;
353 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
354 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
356 sfc_adapter_lock(sa);
359 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
361 if (*toggle != enabled) {
364 if (port->isolated) {
365 sfc_warn(sa, "isolated mode is active on the port");
366 sfc_warn(sa, "the change is to be applied on the next "
367 "start provided that isolated mode is "
368 "disabled prior the next start");
369 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
370 (sfc_set_rx_mode(sa) != 0)) {
371 *toggle = !(enabled);
372 sfc_warn(sa, "Failed to %s %s mode",
373 ((enabled) ? "enable" : "disable"), desc);
377 sfc_adapter_unlock(sa);
381 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
383 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
387 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
389 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
393 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
395 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
399 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
401 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
405 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
406 uint16_t nb_rx_desc, unsigned int socket_id,
407 const struct rte_eth_rxconf *rx_conf,
408 struct rte_mempool *mb_pool)
410 struct sfc_adapter *sa = dev->data->dev_private;
413 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
414 rx_queue_id, nb_rx_desc, socket_id);
416 sfc_adapter_lock(sa);
418 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
423 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
425 sfc_adapter_unlock(sa);
430 sfc_adapter_unlock(sa);
436 sfc_rx_queue_release(void *queue)
438 struct sfc_dp_rxq *dp_rxq = queue;
440 struct sfc_adapter *sa;
441 unsigned int sw_index;
446 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
448 sfc_adapter_lock(sa);
450 sw_index = sfc_rxq_sw_index(rxq);
452 sfc_log_init(sa, "RxQ=%u", sw_index);
454 sa->eth_dev->data->rx_queues[sw_index] = NULL;
456 sfc_rx_qfini(sa, sw_index);
458 sfc_adapter_unlock(sa);
462 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
463 uint16_t nb_tx_desc, unsigned int socket_id,
464 const struct rte_eth_txconf *tx_conf)
466 struct sfc_adapter *sa = dev->data->dev_private;
469 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
470 tx_queue_id, nb_tx_desc, socket_id);
472 sfc_adapter_lock(sa);
474 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
478 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
480 sfc_adapter_unlock(sa);
484 sfc_adapter_unlock(sa);
490 sfc_tx_queue_release(void *queue)
492 struct sfc_dp_txq *dp_txq = queue;
494 unsigned int sw_index;
495 struct sfc_adapter *sa;
500 txq = sfc_txq_by_dp_txq(dp_txq);
501 sw_index = sfc_txq_sw_index(txq);
503 SFC_ASSERT(txq->evq != NULL);
506 sfc_log_init(sa, "TxQ = %u", sw_index);
508 sfc_adapter_lock(sa);
510 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
511 sa->eth_dev->data->tx_queues[sw_index] = NULL;
513 sfc_tx_qfini(sa, sw_index);
515 sfc_adapter_unlock(sa);
519 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
521 struct sfc_adapter *sa = dev->data->dev_private;
522 struct sfc_port *port = &sa->port;
526 rte_spinlock_lock(&port->mac_stats_lock);
528 ret = sfc_port_update_mac_stats(sa);
532 mac_stats = port->mac_stats_buf;
534 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
535 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
537 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
538 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
539 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
541 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
542 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
543 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
545 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
546 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
547 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
549 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
550 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
551 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
552 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
553 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
554 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
556 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
557 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
558 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
559 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
561 * Take into account stats which are whenever supported
562 * on EF10. If some stat is not supported by current
563 * firmware variant or HW revision, it is guaranteed
564 * to be zero in mac_stats.
567 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
568 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
569 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
570 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
571 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
572 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
573 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
574 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
575 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
576 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
578 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
579 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
580 mac_stats[EFX_MAC_RX_JABBER_PKTS];
581 /* no oerrors counters supported on EF10 */
585 rte_spinlock_unlock(&port->mac_stats_lock);
586 SFC_ASSERT(ret >= 0);
591 sfc_stats_reset(struct rte_eth_dev *dev)
593 struct sfc_adapter *sa = dev->data->dev_private;
594 struct sfc_port *port = &sa->port;
597 if (sa->state != SFC_ADAPTER_STARTED) {
599 * The operation cannot be done if port is not started; it
600 * will be scheduled to be done during the next port start
602 port->mac_stats_reset_pending = B_TRUE;
606 rc = sfc_port_reset_mac_stats(sa);
608 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
612 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
613 unsigned int xstats_count)
615 struct sfc_adapter *sa = dev->data->dev_private;
616 struct sfc_port *port = &sa->port;
622 rte_spinlock_lock(&port->mac_stats_lock);
624 rc = sfc_port_update_mac_stats(sa);
631 mac_stats = port->mac_stats_buf;
633 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
634 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
635 if (xstats != NULL && nstats < (int)xstats_count) {
636 xstats[nstats].id = nstats;
637 xstats[nstats].value = mac_stats[i];
644 rte_spinlock_unlock(&port->mac_stats_lock);
650 sfc_xstats_get_names(struct rte_eth_dev *dev,
651 struct rte_eth_xstat_name *xstats_names,
652 unsigned int xstats_count)
654 struct sfc_adapter *sa = dev->data->dev_private;
655 struct sfc_port *port = &sa->port;
657 unsigned int nstats = 0;
659 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
660 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
661 if (xstats_names != NULL && nstats < xstats_count)
662 strncpy(xstats_names[nstats].name,
663 efx_mac_stat_name(sa->nic, i),
664 sizeof(xstats_names[0].name));
673 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
674 uint64_t *values, unsigned int n)
676 struct sfc_adapter *sa = dev->data->dev_private;
677 struct sfc_port *port = &sa->port;
679 unsigned int nb_supported = 0;
680 unsigned int nb_written = 0;
685 if (unlikely(values == NULL) ||
686 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
687 return port->mac_stats_nb_supported;
689 rte_spinlock_lock(&port->mac_stats_lock);
691 rc = sfc_port_update_mac_stats(sa);
698 mac_stats = port->mac_stats_buf;
700 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
701 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
704 if ((ids == NULL) || (ids[nb_written] == nb_supported))
705 values[nb_written++] = mac_stats[i];
713 rte_spinlock_unlock(&port->mac_stats_lock);
719 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
720 struct rte_eth_xstat_name *xstats_names,
721 const uint64_t *ids, unsigned int size)
723 struct sfc_adapter *sa = dev->data->dev_private;
724 struct sfc_port *port = &sa->port;
725 unsigned int nb_supported = 0;
726 unsigned int nb_written = 0;
729 if (unlikely(xstats_names == NULL) ||
730 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
731 return port->mac_stats_nb_supported;
733 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
734 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
737 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
738 char *name = xstats_names[nb_written++].name;
740 strncpy(name, efx_mac_stat_name(sa->nic, i),
741 sizeof(xstats_names[0].name));
742 name[sizeof(xstats_names[0].name) - 1] = '\0';
752 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
754 struct sfc_adapter *sa = dev->data->dev_private;
755 unsigned int wanted_fc, link_fc;
757 memset(fc_conf, 0, sizeof(*fc_conf));
759 sfc_adapter_lock(sa);
761 if (sa->state == SFC_ADAPTER_STARTED)
762 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
764 link_fc = sa->port.flow_ctrl;
768 fc_conf->mode = RTE_FC_NONE;
770 case EFX_FCNTL_RESPOND:
771 fc_conf->mode = RTE_FC_RX_PAUSE;
773 case EFX_FCNTL_GENERATE:
774 fc_conf->mode = RTE_FC_TX_PAUSE;
776 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
777 fc_conf->mode = RTE_FC_FULL;
780 sfc_err(sa, "%s: unexpected flow control value %#x",
784 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
786 sfc_adapter_unlock(sa);
792 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
794 struct sfc_adapter *sa = dev->data->dev_private;
795 struct sfc_port *port = &sa->port;
799 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
800 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
801 fc_conf->mac_ctrl_frame_fwd != 0) {
802 sfc_err(sa, "unsupported flow control settings specified");
807 switch (fc_conf->mode) {
811 case RTE_FC_RX_PAUSE:
812 fcntl = EFX_FCNTL_RESPOND;
814 case RTE_FC_TX_PAUSE:
815 fcntl = EFX_FCNTL_GENERATE;
818 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
825 sfc_adapter_lock(sa);
827 if (sa->state == SFC_ADAPTER_STARTED) {
828 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
830 goto fail_mac_fcntl_set;
833 port->flow_ctrl = fcntl;
834 port->flow_ctrl_autoneg = fc_conf->autoneg;
836 sfc_adapter_unlock(sa);
841 sfc_adapter_unlock(sa);
848 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
850 struct sfc_adapter *sa = dev->data->dev_private;
851 size_t pdu = EFX_MAC_PDU(mtu);
855 sfc_log_init(sa, "mtu=%u", mtu);
858 if (pdu < EFX_MAC_PDU_MIN) {
859 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
860 (unsigned int)mtu, (unsigned int)pdu,
864 if (pdu > EFX_MAC_PDU_MAX) {
865 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
866 (unsigned int)mtu, (unsigned int)pdu,
871 sfc_adapter_lock(sa);
873 if (pdu != sa->port.pdu) {
874 if (sa->state == SFC_ADAPTER_STARTED) {
877 old_pdu = sa->port.pdu;
888 * The driver does not use it, but other PMDs update jumbo_frame
889 * flag and max_rx_pkt_len when MTU is set.
891 if (mtu > ETHER_MAX_LEN) {
892 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
894 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
895 rxmode->jumbo_frame = 1;
898 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
900 sfc_adapter_unlock(sa);
902 sfc_log_init(sa, "done");
906 sa->port.pdu = old_pdu;
907 if (sfc_start(sa) != 0)
908 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
909 "PDU max size - port is stopped",
910 (unsigned int)pdu, (unsigned int)old_pdu);
911 sfc_adapter_unlock(sa);
914 sfc_log_init(sa, "failed %d", rc);
919 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
921 struct sfc_adapter *sa = dev->data->dev_private;
922 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
923 struct sfc_port *port = &sa->port;
926 sfc_adapter_lock(sa);
929 * Copy the address to the device private data so that
930 * it could be recalled in the case of adapter restart.
932 ether_addr_copy(mac_addr, &port->default_mac_addr);
934 if (port->isolated) {
935 sfc_err(sa, "isolated mode is active on the port");
936 sfc_err(sa, "will not set MAC address");
940 if (sa->state != SFC_ADAPTER_STARTED) {
941 sfc_notice(sa, "the port is not started");
942 sfc_notice(sa, "the new MAC address will be set on port start");
947 if (encp->enc_allow_set_mac_with_installed_filters) {
948 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
950 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
955 * Changing the MAC address by means of MCDI request
956 * has no effect on received traffic, therefore
957 * we also need to update unicast filters
959 rc = sfc_set_rx_mode(sa);
961 sfc_err(sa, "cannot set filter (rc = %u)", rc);
963 sfc_warn(sa, "cannot set MAC address with filters installed");
964 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
965 sfc_warn(sa, "(some traffic may be dropped)");
968 * Since setting MAC address with filters installed is not
969 * allowed on the adapter, the new MAC address will be set
970 * by means of adapter restart. sfc_start() shall retrieve
971 * the new address from the device private data and set it.
976 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
981 * In the case of failure sa->port->default_mac_addr does not
982 * need rollback since no error code is returned, and the upper
983 * API will anyway update the external MAC address storage.
984 * To be consistent with that new value it is better to keep
985 * the device private value the same.
987 sfc_adapter_unlock(sa);
992 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
995 struct sfc_adapter *sa = dev->data->dev_private;
996 struct sfc_port *port = &sa->port;
997 uint8_t *mc_addrs = port->mcast_addrs;
1001 if (port->isolated) {
1002 sfc_err(sa, "isolated mode is active on the port");
1003 sfc_err(sa, "will not set multicast address list");
1007 if (mc_addrs == NULL)
1010 if (nb_mc_addr > port->max_mcast_addrs) {
1011 sfc_err(sa, "too many multicast addresses: %u > %u",
1012 nb_mc_addr, port->max_mcast_addrs);
1016 for (i = 0; i < nb_mc_addr; ++i) {
1017 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1019 mc_addrs += EFX_MAC_ADDR_LEN;
1022 port->nb_mcast_addrs = nb_mc_addr;
1024 if (sa->state != SFC_ADAPTER_STARTED)
1027 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1028 port->nb_mcast_addrs);
1030 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1037 * The function is used by the secondary process as well. It must not
1038 * use any process-local pointers from the adapter data.
1041 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1042 struct rte_eth_rxq_info *qinfo)
1044 struct sfc_adapter *sa = dev->data->dev_private;
1045 struct sfc_rxq_info *rxq_info;
1046 struct sfc_rxq *rxq;
1048 sfc_adapter_lock(sa);
1050 SFC_ASSERT(rx_queue_id < sa->rxq_count);
1052 rxq_info = &sa->rxq_info[rx_queue_id];
1053 rxq = rxq_info->rxq;
1054 SFC_ASSERT(rxq != NULL);
1056 qinfo->mp = rxq->refill_mb_pool;
1057 qinfo->conf.rx_free_thresh = rxq->refill_threshold;
1058 qinfo->conf.rx_drop_en = 1;
1059 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1060 qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM |
1061 DEV_RX_OFFLOAD_UDP_CKSUM |
1062 DEV_RX_OFFLOAD_TCP_CKSUM;
1063 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1064 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1065 qinfo->scattered_rx = 1;
1067 qinfo->nb_desc = rxq_info->entries;
1069 sfc_adapter_unlock(sa);
1073 * The function is used by the secondary process as well. It must not
1074 * use any process-local pointers from the adapter data.
1077 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1078 struct rte_eth_txq_info *qinfo)
1080 struct sfc_adapter *sa = dev->data->dev_private;
1081 struct sfc_txq_info *txq_info;
1083 sfc_adapter_lock(sa);
1085 SFC_ASSERT(tx_queue_id < sa->txq_count);
1087 txq_info = &sa->txq_info[tx_queue_id];
1088 SFC_ASSERT(txq_info->txq != NULL);
1090 memset(qinfo, 0, sizeof(*qinfo));
1092 qinfo->conf.txq_flags = txq_info->txq->flags;
1093 qinfo->conf.offloads = txq_info->txq->offloads;
1094 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
1095 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1096 qinfo->nb_desc = txq_info->entries;
1098 sfc_adapter_unlock(sa);
1102 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1104 struct sfc_adapter *sa = dev->data->dev_private;
1106 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1108 return sfc_rx_qdesc_npending(sa, rx_queue_id);
1112 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1114 struct sfc_dp_rxq *dp_rxq = queue;
1116 return sfc_rx_qdesc_done(dp_rxq, offset);
1120 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1122 struct sfc_dp_rxq *dp_rxq = queue;
1123 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
1125 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset);
1129 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1131 struct sfc_dp_txq *dp_txq = queue;
1132 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq);
1134 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset);
1138 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1140 struct sfc_adapter *sa = dev->data->dev_private;
1143 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1145 sfc_adapter_lock(sa);
1148 if (sa->state != SFC_ADAPTER_STARTED)
1149 goto fail_not_started;
1151 rc = sfc_rx_qstart(sa, rx_queue_id);
1153 goto fail_rx_qstart;
1155 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
1157 sfc_adapter_unlock(sa);
1163 sfc_adapter_unlock(sa);
1169 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1171 struct sfc_adapter *sa = dev->data->dev_private;
1173 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1175 sfc_adapter_lock(sa);
1176 sfc_rx_qstop(sa, rx_queue_id);
1178 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
1180 sfc_adapter_unlock(sa);
1186 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1188 struct sfc_adapter *sa = dev->data->dev_private;
1191 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1193 sfc_adapter_lock(sa);
1196 if (sa->state != SFC_ADAPTER_STARTED)
1197 goto fail_not_started;
1199 rc = sfc_tx_qstart(sa, tx_queue_id);
1201 goto fail_tx_qstart;
1203 sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
1205 sfc_adapter_unlock(sa);
1211 sfc_adapter_unlock(sa);
1217 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1219 struct sfc_adapter *sa = dev->data->dev_private;
1221 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1223 sfc_adapter_lock(sa);
1225 sfc_tx_qstop(sa, tx_queue_id);
1227 sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
1229 sfc_adapter_unlock(sa);
1233 static efx_tunnel_protocol_t
1234 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1237 case RTE_TUNNEL_TYPE_VXLAN:
1238 return EFX_TUNNEL_PROTOCOL_VXLAN;
1239 case RTE_TUNNEL_TYPE_GENEVE:
1240 return EFX_TUNNEL_PROTOCOL_GENEVE;
1242 return EFX_TUNNEL_NPROTOS;
1246 enum sfc_udp_tunnel_op_e {
1247 SFC_UDP_TUNNEL_ADD_PORT,
1248 SFC_UDP_TUNNEL_DEL_PORT,
1252 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1253 struct rte_eth_udp_tunnel *tunnel_udp,
1254 enum sfc_udp_tunnel_op_e op)
1256 struct sfc_adapter *sa = dev->data->dev_private;
1257 efx_tunnel_protocol_t tunnel_proto;
1260 sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1261 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1262 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1263 tunnel_udp->udp_port, tunnel_udp->prot_type);
1266 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1267 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1269 goto fail_bad_proto;
1272 sfc_adapter_lock(sa);
1275 case SFC_UDP_TUNNEL_ADD_PORT:
1276 rc = efx_tunnel_config_udp_add(sa->nic,
1277 tunnel_udp->udp_port,
1280 case SFC_UDP_TUNNEL_DEL_PORT:
1281 rc = efx_tunnel_config_udp_remove(sa->nic,
1282 tunnel_udp->udp_port,
1293 if (sa->state == SFC_ADAPTER_STARTED) {
1294 rc = efx_tunnel_reconfigure(sa->nic);
1297 * Configuration is accepted by FW and MC reboot
1298 * is initiated to apply the changes. MC reboot
1299 * will be handled in a usual way (MC reboot
1300 * event on management event queue and adapter
1304 } else if (rc != 0) {
1305 goto fail_reconfigure;
1309 sfc_adapter_unlock(sa);
1313 /* Remove/restore entry since the change makes the trouble */
1315 case SFC_UDP_TUNNEL_ADD_PORT:
1316 (void)efx_tunnel_config_udp_remove(sa->nic,
1317 tunnel_udp->udp_port,
1320 case SFC_UDP_TUNNEL_DEL_PORT:
1321 (void)efx_tunnel_config_udp_add(sa->nic,
1322 tunnel_udp->udp_port,
1329 sfc_adapter_unlock(sa);
1337 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1338 struct rte_eth_udp_tunnel *tunnel_udp)
1340 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1344 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1345 struct rte_eth_udp_tunnel *tunnel_udp)
1347 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1350 #if EFSYS_OPT_RX_SCALE
1352 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1353 struct rte_eth_rss_conf *rss_conf)
1355 struct sfc_adapter *sa = dev->data->dev_private;
1356 struct sfc_port *port = &sa->port;
1358 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1361 if (sa->rss_channels == 0)
1364 sfc_adapter_lock(sa);
1367 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1368 * hence, conversion is done here to derive a correct set of ETH_RSS
1369 * flags which corresponds to the active EFX configuration stored
1370 * locally in 'sfc_adapter' and kept up-to-date
1372 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
1373 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1374 if (rss_conf->rss_key != NULL)
1375 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE);
1377 sfc_adapter_unlock(sa);
1383 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1384 struct rte_eth_rss_conf *rss_conf)
1386 struct sfc_adapter *sa = dev->data->dev_private;
1387 struct sfc_port *port = &sa->port;
1388 unsigned int efx_hash_types;
1394 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1395 sfc_err(sa, "RSS is not available");
1399 if (sa->rss_channels == 0) {
1400 sfc_err(sa, "RSS is not configured");
1404 if ((rss_conf->rss_key != NULL) &&
1405 (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
1406 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1407 sizeof(sa->rss_key));
1411 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
1412 sfc_err(sa, "unsupported hash functions requested");
1416 sfc_adapter_lock(sa);
1418 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
1420 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1421 EFX_RX_HASHALG_TOEPLITZ,
1422 efx_hash_types, B_TRUE);
1424 goto fail_scale_mode_set;
1426 if (rss_conf->rss_key != NULL) {
1427 if (sa->state == SFC_ADAPTER_STARTED) {
1428 rc = efx_rx_scale_key_set(sa->nic,
1429 EFX_RSS_CONTEXT_DEFAULT,
1431 sizeof(sa->rss_key));
1433 goto fail_scale_key_set;
1436 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
1439 sa->rss_hash_types = efx_hash_types;
1441 sfc_adapter_unlock(sa);
1446 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1447 EFX_RX_HASHALG_TOEPLITZ,
1448 sa->rss_hash_types, B_TRUE) != 0)
1449 sfc_err(sa, "failed to restore RSS mode");
1451 fail_scale_mode_set:
1452 sfc_adapter_unlock(sa);
1457 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1458 struct rte_eth_rss_reta_entry64 *reta_conf,
1461 struct sfc_adapter *sa = dev->data->dev_private;
1462 struct sfc_port *port = &sa->port;
1465 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1468 if (sa->rss_channels == 0)
1471 if (reta_size != EFX_RSS_TBL_SIZE)
1474 sfc_adapter_lock(sa);
1476 for (entry = 0; entry < reta_size; entry++) {
1477 int grp = entry / RTE_RETA_GROUP_SIZE;
1478 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1480 if ((reta_conf[grp].mask >> grp_idx) & 1)
1481 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
1484 sfc_adapter_unlock(sa);
1490 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1491 struct rte_eth_rss_reta_entry64 *reta_conf,
1494 struct sfc_adapter *sa = dev->data->dev_private;
1495 struct sfc_port *port = &sa->port;
1496 unsigned int *rss_tbl_new;
1504 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1505 sfc_err(sa, "RSS is not available");
1509 if (sa->rss_channels == 0) {
1510 sfc_err(sa, "RSS is not configured");
1514 if (reta_size != EFX_RSS_TBL_SIZE) {
1515 sfc_err(sa, "RETA size is wrong (should be %u)",
1520 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
1521 if (rss_tbl_new == NULL)
1524 sfc_adapter_lock(sa);
1526 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
1528 for (entry = 0; entry < reta_size; entry++) {
1529 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1530 struct rte_eth_rss_reta_entry64 *grp;
1532 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1534 if (grp->mask & (1ull << grp_idx)) {
1535 if (grp->reta[grp_idx] >= sa->rss_channels) {
1537 goto bad_reta_entry;
1539 rss_tbl_new[entry] = grp->reta[grp_idx];
1543 if (sa->state == SFC_ADAPTER_STARTED) {
1544 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1545 rss_tbl_new, EFX_RSS_TBL_SIZE);
1547 goto fail_scale_tbl_set;
1550 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
1554 sfc_adapter_unlock(sa);
1556 rte_free(rss_tbl_new);
1558 SFC_ASSERT(rc >= 0);
1564 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
1565 enum rte_filter_op filter_op,
1568 struct sfc_adapter *sa = dev->data->dev_private;
1571 sfc_log_init(sa, "entry");
1573 switch (filter_type) {
1574 case RTE_ETH_FILTER_NONE:
1575 sfc_err(sa, "Global filters configuration not supported");
1577 case RTE_ETH_FILTER_MACVLAN:
1578 sfc_err(sa, "MACVLAN filters not supported");
1580 case RTE_ETH_FILTER_ETHERTYPE:
1581 sfc_err(sa, "EtherType filters not supported");
1583 case RTE_ETH_FILTER_FLEXIBLE:
1584 sfc_err(sa, "Flexible filters not supported");
1586 case RTE_ETH_FILTER_SYN:
1587 sfc_err(sa, "SYN filters not supported");
1589 case RTE_ETH_FILTER_NTUPLE:
1590 sfc_err(sa, "NTUPLE filters not supported");
1592 case RTE_ETH_FILTER_TUNNEL:
1593 sfc_err(sa, "Tunnel filters not supported");
1595 case RTE_ETH_FILTER_FDIR:
1596 sfc_err(sa, "Flow Director filters not supported");
1598 case RTE_ETH_FILTER_HASH:
1599 sfc_err(sa, "Hash filters not supported");
1601 case RTE_ETH_FILTER_GENERIC:
1602 if (filter_op != RTE_ETH_FILTER_GET) {
1605 *(const void **)arg = &sfc_flow_ops;
1610 sfc_err(sa, "Unknown filter type %u", filter_type);
1614 sfc_log_init(sa, "exit: %d", -rc);
1615 SFC_ASSERT(rc >= 0);
1619 static const struct eth_dev_ops sfc_eth_dev_ops = {
1620 .dev_configure = sfc_dev_configure,
1621 .dev_start = sfc_dev_start,
1622 .dev_stop = sfc_dev_stop,
1623 .dev_set_link_up = sfc_dev_set_link_up,
1624 .dev_set_link_down = sfc_dev_set_link_down,
1625 .dev_close = sfc_dev_close,
1626 .promiscuous_enable = sfc_dev_promisc_enable,
1627 .promiscuous_disable = sfc_dev_promisc_disable,
1628 .allmulticast_enable = sfc_dev_allmulti_enable,
1629 .allmulticast_disable = sfc_dev_allmulti_disable,
1630 .link_update = sfc_dev_link_update,
1631 .stats_get = sfc_stats_get,
1632 .stats_reset = sfc_stats_reset,
1633 .xstats_get = sfc_xstats_get,
1634 .xstats_reset = sfc_stats_reset,
1635 .xstats_get_names = sfc_xstats_get_names,
1636 .dev_infos_get = sfc_dev_infos_get,
1637 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1638 .mtu_set = sfc_dev_set_mtu,
1639 .rx_queue_start = sfc_rx_queue_start,
1640 .rx_queue_stop = sfc_rx_queue_stop,
1641 .tx_queue_start = sfc_tx_queue_start,
1642 .tx_queue_stop = sfc_tx_queue_stop,
1643 .rx_queue_setup = sfc_rx_queue_setup,
1644 .rx_queue_release = sfc_rx_queue_release,
1645 .rx_queue_count = sfc_rx_queue_count,
1646 .rx_descriptor_done = sfc_rx_descriptor_done,
1647 .rx_descriptor_status = sfc_rx_descriptor_status,
1648 .tx_descriptor_status = sfc_tx_descriptor_status,
1649 .tx_queue_setup = sfc_tx_queue_setup,
1650 .tx_queue_release = sfc_tx_queue_release,
1651 .flow_ctrl_get = sfc_flow_ctrl_get,
1652 .flow_ctrl_set = sfc_flow_ctrl_set,
1653 .mac_addr_set = sfc_mac_addr_set,
1654 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add,
1655 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del,
1656 #if EFSYS_OPT_RX_SCALE
1657 .reta_update = sfc_dev_rss_reta_update,
1658 .reta_query = sfc_dev_rss_reta_query,
1659 .rss_hash_update = sfc_dev_rss_hash_update,
1660 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1662 .filter_ctrl = sfc_dev_filter_ctrl,
1663 .set_mc_addr_list = sfc_set_mc_addr_list,
1664 .rxq_info_get = sfc_rx_queue_info_get,
1665 .txq_info_get = sfc_tx_queue_info_get,
1666 .fw_version_get = sfc_fw_version_get,
1667 .xstats_get_by_id = sfc_xstats_get_by_id,
1668 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1672 * Duplicate a string in potentially shared memory required for
1673 * multi-process support.
1675 * strdup() allocates from process-local heap/memory.
1678 sfc_strdup(const char *str)
1686 size = strlen(str) + 1;
1687 copy = rte_malloc(__func__, size, 0);
1689 rte_memcpy(copy, str, size);
1695 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1697 struct sfc_adapter *sa = dev->data->dev_private;
1698 unsigned int avail_caps = 0;
1699 const char *rx_name = NULL;
1700 const char *tx_name = NULL;
1703 switch (sa->family) {
1704 case EFX_FAMILY_HUNTINGTON:
1705 case EFX_FAMILY_MEDFORD:
1706 case EFX_FAMILY_MEDFORD2:
1707 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1713 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1714 sfc_kvarg_string_handler, &rx_name);
1716 goto fail_kvarg_rx_datapath;
1718 if (rx_name != NULL) {
1719 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1720 if (sa->dp_rx == NULL) {
1721 sfc_err(sa, "Rx datapath %s not found", rx_name);
1725 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
1727 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1730 goto fail_dp_rx_caps;
1733 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1734 if (sa->dp_rx == NULL) {
1735 sfc_err(sa, "Rx datapath by caps %#x not found",
1742 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name);
1743 if (sa->dp_rx_name == NULL) {
1745 goto fail_dp_rx_name;
1748 sfc_notice(sa, "use %s Rx datapath", sa->dp_rx_name);
1750 dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
1752 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1753 sfc_kvarg_string_handler, &tx_name);
1755 goto fail_kvarg_tx_datapath;
1757 if (tx_name != NULL) {
1758 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1759 if (sa->dp_tx == NULL) {
1760 sfc_err(sa, "Tx datapath %s not found", tx_name);
1764 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
1766 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1769 goto fail_dp_tx_caps;
1772 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1773 if (sa->dp_tx == NULL) {
1774 sfc_err(sa, "Tx datapath by caps %#x not found",
1781 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name);
1782 if (sa->dp_tx_name == NULL) {
1784 goto fail_dp_tx_name;
1787 sfc_notice(sa, "use %s Tx datapath", sa->dp_tx_name);
1789 dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
1791 dev->dev_ops = &sfc_eth_dev_ops;
1800 fail_kvarg_tx_datapath:
1801 rte_free(sa->dp_rx_name);
1802 sa->dp_rx_name = NULL;
1809 fail_kvarg_rx_datapath:
1814 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
1816 struct sfc_adapter *sa = dev->data->dev_private;
1818 dev->dev_ops = NULL;
1819 dev->rx_pkt_burst = NULL;
1820 dev->tx_pkt_burst = NULL;
1822 rte_free(sa->dp_tx_name);
1823 sa->dp_tx_name = NULL;
1826 rte_free(sa->dp_rx_name);
1827 sa->dp_rx_name = NULL;
1831 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
1832 .rxq_info_get = sfc_rx_queue_info_get,
1833 .txq_info_get = sfc_tx_queue_info_get,
1837 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev)
1840 * Device private data has really many process-local pointers.
1841 * Below code should be extremely careful to use data located
1842 * in shared memory only.
1844 struct sfc_adapter *sa = dev->data->dev_private;
1845 const struct sfc_dp_rx *dp_rx;
1846 const struct sfc_dp_tx *dp_tx;
1849 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name);
1850 if (dp_rx == NULL) {
1851 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name);
1855 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
1856 sfc_err(sa, "%s Rx datapath does not support multi-process",
1859 goto fail_dp_rx_multi_process;
1862 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name);
1863 if (dp_tx == NULL) {
1864 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name);
1868 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
1869 sfc_err(sa, "%s Tx datapath does not support multi-process",
1872 goto fail_dp_tx_multi_process;
1875 dev->rx_pkt_burst = dp_rx->pkt_burst;
1876 dev->tx_pkt_burst = dp_tx->pkt_burst;
1877 dev->dev_ops = &sfc_eth_dev_secondary_ops;
1881 fail_dp_tx_multi_process:
1883 fail_dp_rx_multi_process:
1889 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
1891 dev->dev_ops = NULL;
1892 dev->tx_pkt_burst = NULL;
1893 dev->rx_pkt_burst = NULL;
1897 sfc_register_dp(void)
1900 if (TAILQ_EMPTY(&sfc_dp_head)) {
1901 /* Prefer EF10 datapath */
1902 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
1903 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
1905 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
1906 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
1907 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
1912 sfc_eth_dev_init(struct rte_eth_dev *dev)
1914 struct sfc_adapter *sa = dev->data->dev_private;
1915 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1917 const efx_nic_cfg_t *encp;
1918 const struct ether_addr *from;
1922 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1923 return -sfc_eth_dev_secondary_set_ops(dev);
1925 /* Required for logging */
1926 sa->pci_addr = pci_dev->addr;
1927 sa->port_id = dev->data->port_id;
1931 /* Copy PCI device info to the dev->data */
1932 rte_eth_copy_pci_info(dev, pci_dev);
1934 sa->logtype_main = sfc_register_logtype(sa, SFC_LOGTYPE_MAIN_STR,
1937 rc = sfc_kvargs_parse(sa);
1939 goto fail_kvargs_parse;
1941 sfc_log_init(sa, "entry");
1943 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1944 if (dev->data->mac_addrs == NULL) {
1946 goto fail_mac_addrs;
1949 sfc_adapter_lock_init(sa);
1950 sfc_adapter_lock(sa);
1952 sfc_log_init(sa, "probing");
1957 sfc_log_init(sa, "set device ops");
1958 rc = sfc_eth_dev_set_ops(dev);
1962 sfc_log_init(sa, "attaching");
1963 rc = sfc_attach(sa);
1967 encp = efx_nic_cfg_get(sa->nic);
1970 * The arguments are really reverse order in comparison to
1971 * Linux kernel. Copy from NIC config to Ethernet device data.
1973 from = (const struct ether_addr *)(encp->enc_mac_addr);
1974 ether_addr_copy(from, &dev->data->mac_addrs[0]);
1976 sfc_adapter_unlock(sa);
1978 sfc_log_init(sa, "done");
1982 sfc_eth_dev_clear_ops(dev);
1988 sfc_adapter_unlock(sa);
1989 sfc_adapter_lock_fini(sa);
1990 rte_free(dev->data->mac_addrs);
1991 dev->data->mac_addrs = NULL;
1994 sfc_kvargs_cleanup(sa);
1997 sfc_log_init(sa, "failed %d", rc);
2003 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
2005 struct sfc_adapter *sa;
2007 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2008 sfc_eth_dev_secondary_clear_ops(dev);
2012 sa = dev->data->dev_private;
2013 sfc_log_init(sa, "entry");
2015 sfc_adapter_lock(sa);
2017 sfc_eth_dev_clear_ops(dev);
2022 rte_free(dev->data->mac_addrs);
2023 dev->data->mac_addrs = NULL;
2025 sfc_kvargs_cleanup(sa);
2027 sfc_adapter_unlock(sa);
2028 sfc_adapter_lock_fini(sa);
2030 sfc_log_init(sa, "done");
2032 /* Required for logging, so cleanup last */
2037 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2038 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2039 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2040 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2041 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2042 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2043 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2044 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) },
2045 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) },
2046 { .vendor_id = 0 /* sentinel */ }
2049 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2050 struct rte_pci_device *pci_dev)
2052 return rte_eth_dev_pci_generic_probe(pci_dev,
2053 sizeof(struct sfc_adapter), sfc_eth_dev_init);
2056 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2058 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2061 static struct rte_pci_driver sfc_efx_pmd = {
2062 .id_table = pci_id_sfc_efx_map,
2064 RTE_PCI_DRV_INTR_LSC |
2065 RTE_PCI_DRV_NEED_MAPPING,
2066 .probe = sfc_eth_dev_pci_probe,
2067 .remove = sfc_eth_dev_pci_remove,
2070 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2071 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2072 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2073 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2074 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2075 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2076 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2077 SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " "
2078 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>");
2080 RTE_INIT(sfc_driver_register_logtype);
2082 sfc_driver_register_logtype(void)
2086 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver",
2088 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret;