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_40000FDX)
102 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
104 dev_info->max_rx_queues = sa->rxq_max;
105 dev_info->max_tx_queues = sa->txq_max;
107 /* By default packets are dropped if no descriptors are available */
108 dev_info->default_rxconf.rx_drop_en = 1;
110 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa);
113 * rx_offload_capa includes both device and queue offloads since
114 * the latter may be requested on a per device basis which makes
115 * sense when some offloads are needed to be set on all queues.
117 dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) |
118 dev_info->rx_queue_offload_capa;
120 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa);
123 * tx_offload_capa includes both device and queue offloads since
124 * the latter may be requested on a per device basis which makes
125 * sense when some offloads are needed to be set on all queues.
127 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) |
128 dev_info->tx_queue_offload_capa;
130 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
131 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
133 dev_info->default_txconf.offloads |= txq_offloads_def;
135 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
136 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
137 !encp->enc_hw_tx_insert_vlan_enabled)
138 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
140 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
141 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
143 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL)
144 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP;
146 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT)
147 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT;
149 #if EFSYS_OPT_RX_SCALE
150 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
151 dev_info->reta_size = EFX_RSS_TBL_SIZE;
152 dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
153 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
157 /* Initialize to hardware limits */
158 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
159 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
160 /* The RXQ hardware requires that the descriptor count is a power
161 * of 2, but rx_desc_lim cannot properly describe that constraint.
163 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
165 /* Initialize to hardware limits */
166 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
167 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
169 * The TXQ hardware requires that the descriptor count is a power
170 * of 2, but tx_desc_lim cannot properly describe that constraint
172 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
174 if (sa->dp_rx->get_dev_info != NULL)
175 sa->dp_rx->get_dev_info(dev_info);
176 if (sa->dp_tx->get_dev_info != NULL)
177 sa->dp_tx->get_dev_info(dev_info);
180 static const uint32_t *
181 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
183 struct sfc_adapter *sa = dev->data->dev_private;
184 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
185 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported;
187 return sa->dp_rx->supported_ptypes_get(tunnel_encaps);
191 sfc_dev_configure(struct rte_eth_dev *dev)
193 struct rte_eth_dev_data *dev_data = dev->data;
194 struct sfc_adapter *sa = dev_data->dev_private;
197 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
198 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
200 sfc_adapter_lock(sa);
202 case SFC_ADAPTER_CONFIGURED:
204 case SFC_ADAPTER_INITIALIZED:
205 rc = sfc_configure(sa);
208 sfc_err(sa, "unexpected adapter state %u to configure",
213 sfc_adapter_unlock(sa);
215 sfc_log_init(sa, "done %d", rc);
221 sfc_dev_start(struct rte_eth_dev *dev)
223 struct sfc_adapter *sa = dev->data->dev_private;
226 sfc_log_init(sa, "entry");
228 sfc_adapter_lock(sa);
230 sfc_adapter_unlock(sa);
232 sfc_log_init(sa, "done %d", rc);
238 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
240 struct sfc_adapter *sa = dev->data->dev_private;
241 struct rte_eth_link current_link;
244 sfc_log_init(sa, "entry");
246 if (sa->state != SFC_ADAPTER_STARTED) {
247 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
248 } else if (wait_to_complete) {
249 efx_link_mode_t link_mode;
251 if (efx_port_poll(sa->nic, &link_mode) != 0)
252 link_mode = EFX_LINK_UNKNOWN;
253 sfc_port_link_mode_to_info(link_mode, ¤t_link);
256 sfc_ev_mgmt_qpoll(sa);
257 rte_eth_linkstatus_get(dev, ¤t_link);
260 ret = rte_eth_linkstatus_set(dev, ¤t_link);
262 sfc_notice(sa, "Link status is %s",
263 current_link.link_status ? "UP" : "DOWN");
269 sfc_dev_stop(struct rte_eth_dev *dev)
271 struct sfc_adapter *sa = dev->data->dev_private;
273 sfc_log_init(sa, "entry");
275 sfc_adapter_lock(sa);
277 sfc_adapter_unlock(sa);
279 sfc_log_init(sa, "done");
283 sfc_dev_set_link_up(struct rte_eth_dev *dev)
285 struct sfc_adapter *sa = dev->data->dev_private;
288 sfc_log_init(sa, "entry");
290 sfc_adapter_lock(sa);
292 sfc_adapter_unlock(sa);
299 sfc_dev_set_link_down(struct rte_eth_dev *dev)
301 struct sfc_adapter *sa = dev->data->dev_private;
303 sfc_log_init(sa, "entry");
305 sfc_adapter_lock(sa);
307 sfc_adapter_unlock(sa);
313 sfc_dev_close(struct rte_eth_dev *dev)
315 struct sfc_adapter *sa = dev->data->dev_private;
317 sfc_log_init(sa, "entry");
319 sfc_adapter_lock(sa);
321 case SFC_ADAPTER_STARTED:
323 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
325 case SFC_ADAPTER_CONFIGURED:
327 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
329 case SFC_ADAPTER_INITIALIZED:
332 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
335 sfc_adapter_unlock(sa);
337 sfc_log_init(sa, "done");
341 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
344 struct sfc_port *port;
346 struct sfc_adapter *sa = dev->data->dev_private;
347 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
348 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
350 sfc_adapter_lock(sa);
353 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
355 if (*toggle != enabled) {
358 if (port->isolated) {
359 sfc_warn(sa, "isolated mode is active on the port");
360 sfc_warn(sa, "the change is to be applied on the next "
361 "start provided that isolated mode is "
362 "disabled prior the next start");
363 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
364 (sfc_set_rx_mode(sa) != 0)) {
365 *toggle = !(enabled);
366 sfc_warn(sa, "Failed to %s %s mode",
367 ((enabled) ? "enable" : "disable"), desc);
371 sfc_adapter_unlock(sa);
375 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
377 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
381 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
383 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
387 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
389 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
393 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
395 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
399 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
400 uint16_t nb_rx_desc, unsigned int socket_id,
401 const struct rte_eth_rxconf *rx_conf,
402 struct rte_mempool *mb_pool)
404 struct sfc_adapter *sa = dev->data->dev_private;
407 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
408 rx_queue_id, nb_rx_desc, socket_id);
410 sfc_adapter_lock(sa);
412 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
417 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
419 sfc_adapter_unlock(sa);
424 sfc_adapter_unlock(sa);
430 sfc_rx_queue_release(void *queue)
432 struct sfc_dp_rxq *dp_rxq = queue;
434 struct sfc_adapter *sa;
435 unsigned int sw_index;
440 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
442 sfc_adapter_lock(sa);
444 sw_index = sfc_rxq_sw_index(rxq);
446 sfc_log_init(sa, "RxQ=%u", sw_index);
448 sa->eth_dev->data->rx_queues[sw_index] = NULL;
450 sfc_rx_qfini(sa, sw_index);
452 sfc_adapter_unlock(sa);
456 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
457 uint16_t nb_tx_desc, unsigned int socket_id,
458 const struct rte_eth_txconf *tx_conf)
460 struct sfc_adapter *sa = dev->data->dev_private;
463 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
464 tx_queue_id, nb_tx_desc, socket_id);
466 sfc_adapter_lock(sa);
468 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
472 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
474 sfc_adapter_unlock(sa);
478 sfc_adapter_unlock(sa);
484 sfc_tx_queue_release(void *queue)
486 struct sfc_dp_txq *dp_txq = queue;
488 unsigned int sw_index;
489 struct sfc_adapter *sa;
494 txq = sfc_txq_by_dp_txq(dp_txq);
495 sw_index = sfc_txq_sw_index(txq);
497 SFC_ASSERT(txq->evq != NULL);
500 sfc_log_init(sa, "TxQ = %u", sw_index);
502 sfc_adapter_lock(sa);
504 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
505 sa->eth_dev->data->tx_queues[sw_index] = NULL;
507 sfc_tx_qfini(sa, sw_index);
509 sfc_adapter_unlock(sa);
513 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
515 struct sfc_adapter *sa = dev->data->dev_private;
516 struct sfc_port *port = &sa->port;
520 rte_spinlock_lock(&port->mac_stats_lock);
522 ret = sfc_port_update_mac_stats(sa);
526 mac_stats = port->mac_stats_buf;
528 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
529 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
531 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
532 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
533 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
535 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
536 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
537 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
539 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
540 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
541 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
543 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
544 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
545 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
546 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
547 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
548 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
550 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
551 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
552 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
553 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
555 * Take into account stats which are whenever supported
556 * on EF10. If some stat is not supported by current
557 * firmware variant or HW revision, it is guaranteed
558 * to be zero in mac_stats.
561 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
562 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
563 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
564 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
565 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
566 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
567 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
568 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
569 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
570 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
572 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
573 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
574 mac_stats[EFX_MAC_RX_JABBER_PKTS];
575 /* no oerrors counters supported on EF10 */
579 rte_spinlock_unlock(&port->mac_stats_lock);
580 SFC_ASSERT(ret >= 0);
585 sfc_stats_reset(struct rte_eth_dev *dev)
587 struct sfc_adapter *sa = dev->data->dev_private;
588 struct sfc_port *port = &sa->port;
591 if (sa->state != SFC_ADAPTER_STARTED) {
593 * The operation cannot be done if port is not started; it
594 * will be scheduled to be done during the next port start
596 port->mac_stats_reset_pending = B_TRUE;
600 rc = sfc_port_reset_mac_stats(sa);
602 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
606 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
607 unsigned int xstats_count)
609 struct sfc_adapter *sa = dev->data->dev_private;
610 struct sfc_port *port = &sa->port;
616 rte_spinlock_lock(&port->mac_stats_lock);
618 rc = sfc_port_update_mac_stats(sa);
625 mac_stats = port->mac_stats_buf;
627 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
628 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
629 if (xstats != NULL && nstats < (int)xstats_count) {
630 xstats[nstats].id = nstats;
631 xstats[nstats].value = mac_stats[i];
638 rte_spinlock_unlock(&port->mac_stats_lock);
644 sfc_xstats_get_names(struct rte_eth_dev *dev,
645 struct rte_eth_xstat_name *xstats_names,
646 unsigned int xstats_count)
648 struct sfc_adapter *sa = dev->data->dev_private;
649 struct sfc_port *port = &sa->port;
651 unsigned int nstats = 0;
653 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
654 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
655 if (xstats_names != NULL && nstats < xstats_count)
656 strncpy(xstats_names[nstats].name,
657 efx_mac_stat_name(sa->nic, i),
658 sizeof(xstats_names[0].name));
667 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
668 uint64_t *values, unsigned int n)
670 struct sfc_adapter *sa = dev->data->dev_private;
671 struct sfc_port *port = &sa->port;
673 unsigned int nb_supported = 0;
674 unsigned int nb_written = 0;
679 if (unlikely(values == NULL) ||
680 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
681 return port->mac_stats_nb_supported;
683 rte_spinlock_lock(&port->mac_stats_lock);
685 rc = sfc_port_update_mac_stats(sa);
692 mac_stats = port->mac_stats_buf;
694 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
695 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
698 if ((ids == NULL) || (ids[nb_written] == nb_supported))
699 values[nb_written++] = mac_stats[i];
707 rte_spinlock_unlock(&port->mac_stats_lock);
713 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
714 struct rte_eth_xstat_name *xstats_names,
715 const uint64_t *ids, unsigned int size)
717 struct sfc_adapter *sa = dev->data->dev_private;
718 struct sfc_port *port = &sa->port;
719 unsigned int nb_supported = 0;
720 unsigned int nb_written = 0;
723 if (unlikely(xstats_names == NULL) ||
724 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
725 return port->mac_stats_nb_supported;
727 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
728 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
731 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
732 char *name = xstats_names[nb_written++].name;
734 strncpy(name, efx_mac_stat_name(sa->nic, i),
735 sizeof(xstats_names[0].name));
736 name[sizeof(xstats_names[0].name) - 1] = '\0';
746 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
748 struct sfc_adapter *sa = dev->data->dev_private;
749 unsigned int wanted_fc, link_fc;
751 memset(fc_conf, 0, sizeof(*fc_conf));
753 sfc_adapter_lock(sa);
755 if (sa->state == SFC_ADAPTER_STARTED)
756 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
758 link_fc = sa->port.flow_ctrl;
762 fc_conf->mode = RTE_FC_NONE;
764 case EFX_FCNTL_RESPOND:
765 fc_conf->mode = RTE_FC_RX_PAUSE;
767 case EFX_FCNTL_GENERATE:
768 fc_conf->mode = RTE_FC_TX_PAUSE;
770 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
771 fc_conf->mode = RTE_FC_FULL;
774 sfc_err(sa, "%s: unexpected flow control value %#x",
778 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
780 sfc_adapter_unlock(sa);
786 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
788 struct sfc_adapter *sa = dev->data->dev_private;
789 struct sfc_port *port = &sa->port;
793 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
794 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
795 fc_conf->mac_ctrl_frame_fwd != 0) {
796 sfc_err(sa, "unsupported flow control settings specified");
801 switch (fc_conf->mode) {
805 case RTE_FC_RX_PAUSE:
806 fcntl = EFX_FCNTL_RESPOND;
808 case RTE_FC_TX_PAUSE:
809 fcntl = EFX_FCNTL_GENERATE;
812 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
819 sfc_adapter_lock(sa);
821 if (sa->state == SFC_ADAPTER_STARTED) {
822 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
824 goto fail_mac_fcntl_set;
827 port->flow_ctrl = fcntl;
828 port->flow_ctrl_autoneg = fc_conf->autoneg;
830 sfc_adapter_unlock(sa);
835 sfc_adapter_unlock(sa);
842 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
844 struct sfc_adapter *sa = dev->data->dev_private;
845 size_t pdu = EFX_MAC_PDU(mtu);
849 sfc_log_init(sa, "mtu=%u", mtu);
852 if (pdu < EFX_MAC_PDU_MIN) {
853 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
854 (unsigned int)mtu, (unsigned int)pdu,
858 if (pdu > EFX_MAC_PDU_MAX) {
859 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
860 (unsigned int)mtu, (unsigned int)pdu,
865 sfc_adapter_lock(sa);
867 if (pdu != sa->port.pdu) {
868 if (sa->state == SFC_ADAPTER_STARTED) {
871 old_pdu = sa->port.pdu;
882 * The driver does not use it, but other PMDs update jumbo_frame
883 * flag and max_rx_pkt_len when MTU is set.
885 if (mtu > ETHER_MAX_LEN) {
886 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
888 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
889 rxmode->jumbo_frame = 1;
892 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
894 sfc_adapter_unlock(sa);
896 sfc_log_init(sa, "done");
900 sa->port.pdu = old_pdu;
901 if (sfc_start(sa) != 0)
902 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
903 "PDU max size - port is stopped",
904 (unsigned int)pdu, (unsigned int)old_pdu);
905 sfc_adapter_unlock(sa);
908 sfc_log_init(sa, "failed %d", rc);
913 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
915 struct sfc_adapter *sa = dev->data->dev_private;
916 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
917 struct sfc_port *port = &sa->port;
920 sfc_adapter_lock(sa);
923 * Copy the address to the device private data so that
924 * it could be recalled in the case of adapter restart.
926 ether_addr_copy(mac_addr, &port->default_mac_addr);
928 if (port->isolated) {
929 sfc_err(sa, "isolated mode is active on the port");
930 sfc_err(sa, "will not set MAC address");
934 if (sa->state != SFC_ADAPTER_STARTED) {
935 sfc_notice(sa, "the port is not started");
936 sfc_notice(sa, "the new MAC address will be set on port start");
941 if (encp->enc_allow_set_mac_with_installed_filters) {
942 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
944 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
949 * Changing the MAC address by means of MCDI request
950 * has no effect on received traffic, therefore
951 * we also need to update unicast filters
953 rc = sfc_set_rx_mode(sa);
955 sfc_err(sa, "cannot set filter (rc = %u)", rc);
957 sfc_warn(sa, "cannot set MAC address with filters installed");
958 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
959 sfc_warn(sa, "(some traffic may be dropped)");
962 * Since setting MAC address with filters installed is not
963 * allowed on the adapter, the new MAC address will be set
964 * by means of adapter restart. sfc_start() shall retrieve
965 * the new address from the device private data and set it.
970 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
975 * In the case of failure sa->port->default_mac_addr does not
976 * need rollback since no error code is returned, and the upper
977 * API will anyway update the external MAC address storage.
978 * To be consistent with that new value it is better to keep
979 * the device private value the same.
981 sfc_adapter_unlock(sa);
986 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
989 struct sfc_adapter *sa = dev->data->dev_private;
990 struct sfc_port *port = &sa->port;
991 uint8_t *mc_addrs = port->mcast_addrs;
995 if (port->isolated) {
996 sfc_err(sa, "isolated mode is active on the port");
997 sfc_err(sa, "will not set multicast address list");
1001 if (mc_addrs == NULL)
1004 if (nb_mc_addr > port->max_mcast_addrs) {
1005 sfc_err(sa, "too many multicast addresses: %u > %u",
1006 nb_mc_addr, port->max_mcast_addrs);
1010 for (i = 0; i < nb_mc_addr; ++i) {
1011 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1013 mc_addrs += EFX_MAC_ADDR_LEN;
1016 port->nb_mcast_addrs = nb_mc_addr;
1018 if (sa->state != SFC_ADAPTER_STARTED)
1021 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1022 port->nb_mcast_addrs);
1024 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1031 * The function is used by the secondary process as well. It must not
1032 * use any process-local pointers from the adapter data.
1035 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1036 struct rte_eth_rxq_info *qinfo)
1038 struct sfc_adapter *sa = dev->data->dev_private;
1039 struct sfc_rxq_info *rxq_info;
1040 struct sfc_rxq *rxq;
1042 sfc_adapter_lock(sa);
1044 SFC_ASSERT(rx_queue_id < sa->rxq_count);
1046 rxq_info = &sa->rxq_info[rx_queue_id];
1047 rxq = rxq_info->rxq;
1048 SFC_ASSERT(rxq != NULL);
1050 qinfo->mp = rxq->refill_mb_pool;
1051 qinfo->conf.rx_free_thresh = rxq->refill_threshold;
1052 qinfo->conf.rx_drop_en = 1;
1053 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1054 qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM |
1055 DEV_RX_OFFLOAD_UDP_CKSUM |
1056 DEV_RX_OFFLOAD_TCP_CKSUM;
1057 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1058 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1059 qinfo->scattered_rx = 1;
1061 qinfo->nb_desc = rxq_info->entries;
1063 sfc_adapter_unlock(sa);
1067 * The function is used by the secondary process as well. It must not
1068 * use any process-local pointers from the adapter data.
1071 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1072 struct rte_eth_txq_info *qinfo)
1074 struct sfc_adapter *sa = dev->data->dev_private;
1075 struct sfc_txq_info *txq_info;
1077 sfc_adapter_lock(sa);
1079 SFC_ASSERT(tx_queue_id < sa->txq_count);
1081 txq_info = &sa->txq_info[tx_queue_id];
1082 SFC_ASSERT(txq_info->txq != NULL);
1084 memset(qinfo, 0, sizeof(*qinfo));
1086 qinfo->conf.txq_flags = txq_info->txq->flags;
1087 qinfo->conf.offloads = txq_info->txq->offloads;
1088 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
1089 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1090 qinfo->nb_desc = txq_info->entries;
1092 sfc_adapter_unlock(sa);
1096 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1098 struct sfc_adapter *sa = dev->data->dev_private;
1100 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1102 return sfc_rx_qdesc_npending(sa, rx_queue_id);
1106 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1108 struct sfc_dp_rxq *dp_rxq = queue;
1110 return sfc_rx_qdesc_done(dp_rxq, offset);
1114 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1116 struct sfc_dp_rxq *dp_rxq = queue;
1117 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
1119 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset);
1123 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1125 struct sfc_dp_txq *dp_txq = queue;
1126 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq);
1128 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset);
1132 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1134 struct sfc_adapter *sa = dev->data->dev_private;
1137 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1139 sfc_adapter_lock(sa);
1142 if (sa->state != SFC_ADAPTER_STARTED)
1143 goto fail_not_started;
1145 rc = sfc_rx_qstart(sa, rx_queue_id);
1147 goto fail_rx_qstart;
1149 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
1151 sfc_adapter_unlock(sa);
1157 sfc_adapter_unlock(sa);
1163 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1165 struct sfc_adapter *sa = dev->data->dev_private;
1167 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1169 sfc_adapter_lock(sa);
1170 sfc_rx_qstop(sa, rx_queue_id);
1172 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
1174 sfc_adapter_unlock(sa);
1180 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1182 struct sfc_adapter *sa = dev->data->dev_private;
1185 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1187 sfc_adapter_lock(sa);
1190 if (sa->state != SFC_ADAPTER_STARTED)
1191 goto fail_not_started;
1193 rc = sfc_tx_qstart(sa, tx_queue_id);
1195 goto fail_tx_qstart;
1197 sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
1199 sfc_adapter_unlock(sa);
1205 sfc_adapter_unlock(sa);
1211 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1213 struct sfc_adapter *sa = dev->data->dev_private;
1215 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1217 sfc_adapter_lock(sa);
1219 sfc_tx_qstop(sa, tx_queue_id);
1221 sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
1223 sfc_adapter_unlock(sa);
1227 static efx_tunnel_protocol_t
1228 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1231 case RTE_TUNNEL_TYPE_VXLAN:
1232 return EFX_TUNNEL_PROTOCOL_VXLAN;
1233 case RTE_TUNNEL_TYPE_GENEVE:
1234 return EFX_TUNNEL_PROTOCOL_GENEVE;
1236 return EFX_TUNNEL_NPROTOS;
1240 enum sfc_udp_tunnel_op_e {
1241 SFC_UDP_TUNNEL_ADD_PORT,
1242 SFC_UDP_TUNNEL_DEL_PORT,
1246 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1247 struct rte_eth_udp_tunnel *tunnel_udp,
1248 enum sfc_udp_tunnel_op_e op)
1250 struct sfc_adapter *sa = dev->data->dev_private;
1251 efx_tunnel_protocol_t tunnel_proto;
1254 sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1255 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1256 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1257 tunnel_udp->udp_port, tunnel_udp->prot_type);
1260 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1261 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1263 goto fail_bad_proto;
1266 sfc_adapter_lock(sa);
1269 case SFC_UDP_TUNNEL_ADD_PORT:
1270 rc = efx_tunnel_config_udp_add(sa->nic,
1271 tunnel_udp->udp_port,
1274 case SFC_UDP_TUNNEL_DEL_PORT:
1275 rc = efx_tunnel_config_udp_remove(sa->nic,
1276 tunnel_udp->udp_port,
1287 if (sa->state == SFC_ADAPTER_STARTED) {
1288 rc = efx_tunnel_reconfigure(sa->nic);
1291 * Configuration is accepted by FW and MC reboot
1292 * is initiated to apply the changes. MC reboot
1293 * will be handled in a usual way (MC reboot
1294 * event on management event queue and adapter
1298 } else if (rc != 0) {
1299 goto fail_reconfigure;
1303 sfc_adapter_unlock(sa);
1307 /* Remove/restore entry since the change makes the trouble */
1309 case SFC_UDP_TUNNEL_ADD_PORT:
1310 (void)efx_tunnel_config_udp_remove(sa->nic,
1311 tunnel_udp->udp_port,
1314 case SFC_UDP_TUNNEL_DEL_PORT:
1315 (void)efx_tunnel_config_udp_add(sa->nic,
1316 tunnel_udp->udp_port,
1323 sfc_adapter_unlock(sa);
1331 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1332 struct rte_eth_udp_tunnel *tunnel_udp)
1334 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1338 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1339 struct rte_eth_udp_tunnel *tunnel_udp)
1341 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1344 #if EFSYS_OPT_RX_SCALE
1346 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1347 struct rte_eth_rss_conf *rss_conf)
1349 struct sfc_adapter *sa = dev->data->dev_private;
1350 struct sfc_port *port = &sa->port;
1352 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1355 if (sa->rss_channels == 0)
1358 sfc_adapter_lock(sa);
1361 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1362 * hence, conversion is done here to derive a correct set of ETH_RSS
1363 * flags which corresponds to the active EFX configuration stored
1364 * locally in 'sfc_adapter' and kept up-to-date
1366 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
1367 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1368 if (rss_conf->rss_key != NULL)
1369 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE);
1371 sfc_adapter_unlock(sa);
1377 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1378 struct rte_eth_rss_conf *rss_conf)
1380 struct sfc_adapter *sa = dev->data->dev_private;
1381 struct sfc_port *port = &sa->port;
1382 unsigned int efx_hash_types;
1388 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1389 sfc_err(sa, "RSS is not available");
1393 if (sa->rss_channels == 0) {
1394 sfc_err(sa, "RSS is not configured");
1398 if ((rss_conf->rss_key != NULL) &&
1399 (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
1400 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1401 sizeof(sa->rss_key));
1405 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
1406 sfc_err(sa, "unsupported hash functions requested");
1410 sfc_adapter_lock(sa);
1412 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
1414 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1415 EFX_RX_HASHALG_TOEPLITZ,
1416 efx_hash_types, B_TRUE);
1418 goto fail_scale_mode_set;
1420 if (rss_conf->rss_key != NULL) {
1421 if (sa->state == SFC_ADAPTER_STARTED) {
1422 rc = efx_rx_scale_key_set(sa->nic,
1423 EFX_RSS_CONTEXT_DEFAULT,
1425 sizeof(sa->rss_key));
1427 goto fail_scale_key_set;
1430 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
1433 sa->rss_hash_types = efx_hash_types;
1435 sfc_adapter_unlock(sa);
1440 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1441 EFX_RX_HASHALG_TOEPLITZ,
1442 sa->rss_hash_types, B_TRUE) != 0)
1443 sfc_err(sa, "failed to restore RSS mode");
1445 fail_scale_mode_set:
1446 sfc_adapter_unlock(sa);
1451 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1452 struct rte_eth_rss_reta_entry64 *reta_conf,
1455 struct sfc_adapter *sa = dev->data->dev_private;
1456 struct sfc_port *port = &sa->port;
1459 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1462 if (sa->rss_channels == 0)
1465 if (reta_size != EFX_RSS_TBL_SIZE)
1468 sfc_adapter_lock(sa);
1470 for (entry = 0; entry < reta_size; entry++) {
1471 int grp = entry / RTE_RETA_GROUP_SIZE;
1472 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1474 if ((reta_conf[grp].mask >> grp_idx) & 1)
1475 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
1478 sfc_adapter_unlock(sa);
1484 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1485 struct rte_eth_rss_reta_entry64 *reta_conf,
1488 struct sfc_adapter *sa = dev->data->dev_private;
1489 struct sfc_port *port = &sa->port;
1490 unsigned int *rss_tbl_new;
1498 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1499 sfc_err(sa, "RSS is not available");
1503 if (sa->rss_channels == 0) {
1504 sfc_err(sa, "RSS is not configured");
1508 if (reta_size != EFX_RSS_TBL_SIZE) {
1509 sfc_err(sa, "RETA size is wrong (should be %u)",
1514 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
1515 if (rss_tbl_new == NULL)
1518 sfc_adapter_lock(sa);
1520 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
1522 for (entry = 0; entry < reta_size; entry++) {
1523 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1524 struct rte_eth_rss_reta_entry64 *grp;
1526 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1528 if (grp->mask & (1ull << grp_idx)) {
1529 if (grp->reta[grp_idx] >= sa->rss_channels) {
1531 goto bad_reta_entry;
1533 rss_tbl_new[entry] = grp->reta[grp_idx];
1537 if (sa->state == SFC_ADAPTER_STARTED) {
1538 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1539 rss_tbl_new, EFX_RSS_TBL_SIZE);
1541 goto fail_scale_tbl_set;
1544 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
1548 sfc_adapter_unlock(sa);
1550 rte_free(rss_tbl_new);
1552 SFC_ASSERT(rc >= 0);
1558 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
1559 enum rte_filter_op filter_op,
1562 struct sfc_adapter *sa = dev->data->dev_private;
1565 sfc_log_init(sa, "entry");
1567 switch (filter_type) {
1568 case RTE_ETH_FILTER_NONE:
1569 sfc_err(sa, "Global filters configuration not supported");
1571 case RTE_ETH_FILTER_MACVLAN:
1572 sfc_err(sa, "MACVLAN filters not supported");
1574 case RTE_ETH_FILTER_ETHERTYPE:
1575 sfc_err(sa, "EtherType filters not supported");
1577 case RTE_ETH_FILTER_FLEXIBLE:
1578 sfc_err(sa, "Flexible filters not supported");
1580 case RTE_ETH_FILTER_SYN:
1581 sfc_err(sa, "SYN filters not supported");
1583 case RTE_ETH_FILTER_NTUPLE:
1584 sfc_err(sa, "NTUPLE filters not supported");
1586 case RTE_ETH_FILTER_TUNNEL:
1587 sfc_err(sa, "Tunnel filters not supported");
1589 case RTE_ETH_FILTER_FDIR:
1590 sfc_err(sa, "Flow Director filters not supported");
1592 case RTE_ETH_FILTER_HASH:
1593 sfc_err(sa, "Hash filters not supported");
1595 case RTE_ETH_FILTER_GENERIC:
1596 if (filter_op != RTE_ETH_FILTER_GET) {
1599 *(const void **)arg = &sfc_flow_ops;
1604 sfc_err(sa, "Unknown filter type %u", filter_type);
1608 sfc_log_init(sa, "exit: %d", -rc);
1609 SFC_ASSERT(rc >= 0);
1613 static const struct eth_dev_ops sfc_eth_dev_ops = {
1614 .dev_configure = sfc_dev_configure,
1615 .dev_start = sfc_dev_start,
1616 .dev_stop = sfc_dev_stop,
1617 .dev_set_link_up = sfc_dev_set_link_up,
1618 .dev_set_link_down = sfc_dev_set_link_down,
1619 .dev_close = sfc_dev_close,
1620 .promiscuous_enable = sfc_dev_promisc_enable,
1621 .promiscuous_disable = sfc_dev_promisc_disable,
1622 .allmulticast_enable = sfc_dev_allmulti_enable,
1623 .allmulticast_disable = sfc_dev_allmulti_disable,
1624 .link_update = sfc_dev_link_update,
1625 .stats_get = sfc_stats_get,
1626 .stats_reset = sfc_stats_reset,
1627 .xstats_get = sfc_xstats_get,
1628 .xstats_reset = sfc_stats_reset,
1629 .xstats_get_names = sfc_xstats_get_names,
1630 .dev_infos_get = sfc_dev_infos_get,
1631 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1632 .mtu_set = sfc_dev_set_mtu,
1633 .rx_queue_start = sfc_rx_queue_start,
1634 .rx_queue_stop = sfc_rx_queue_stop,
1635 .tx_queue_start = sfc_tx_queue_start,
1636 .tx_queue_stop = sfc_tx_queue_stop,
1637 .rx_queue_setup = sfc_rx_queue_setup,
1638 .rx_queue_release = sfc_rx_queue_release,
1639 .rx_queue_count = sfc_rx_queue_count,
1640 .rx_descriptor_done = sfc_rx_descriptor_done,
1641 .rx_descriptor_status = sfc_rx_descriptor_status,
1642 .tx_descriptor_status = sfc_tx_descriptor_status,
1643 .tx_queue_setup = sfc_tx_queue_setup,
1644 .tx_queue_release = sfc_tx_queue_release,
1645 .flow_ctrl_get = sfc_flow_ctrl_get,
1646 .flow_ctrl_set = sfc_flow_ctrl_set,
1647 .mac_addr_set = sfc_mac_addr_set,
1648 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add,
1649 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del,
1650 #if EFSYS_OPT_RX_SCALE
1651 .reta_update = sfc_dev_rss_reta_update,
1652 .reta_query = sfc_dev_rss_reta_query,
1653 .rss_hash_update = sfc_dev_rss_hash_update,
1654 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1656 .filter_ctrl = sfc_dev_filter_ctrl,
1657 .set_mc_addr_list = sfc_set_mc_addr_list,
1658 .rxq_info_get = sfc_rx_queue_info_get,
1659 .txq_info_get = sfc_tx_queue_info_get,
1660 .fw_version_get = sfc_fw_version_get,
1661 .xstats_get_by_id = sfc_xstats_get_by_id,
1662 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1666 * Duplicate a string in potentially shared memory required for
1667 * multi-process support.
1669 * strdup() allocates from process-local heap/memory.
1672 sfc_strdup(const char *str)
1680 size = strlen(str) + 1;
1681 copy = rte_malloc(__func__, size, 0);
1683 rte_memcpy(copy, str, size);
1689 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1691 struct sfc_adapter *sa = dev->data->dev_private;
1692 unsigned int avail_caps = 0;
1693 const char *rx_name = NULL;
1694 const char *tx_name = NULL;
1697 switch (sa->family) {
1698 case EFX_FAMILY_HUNTINGTON:
1699 case EFX_FAMILY_MEDFORD:
1700 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1706 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1707 sfc_kvarg_string_handler, &rx_name);
1709 goto fail_kvarg_rx_datapath;
1711 if (rx_name != NULL) {
1712 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1713 if (sa->dp_rx == NULL) {
1714 sfc_err(sa, "Rx datapath %s not found", rx_name);
1718 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
1720 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1723 goto fail_dp_rx_caps;
1726 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1727 if (sa->dp_rx == NULL) {
1728 sfc_err(sa, "Rx datapath by caps %#x not found",
1735 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name);
1736 if (sa->dp_rx_name == NULL) {
1738 goto fail_dp_rx_name;
1741 sfc_notice(sa, "use %s Rx datapath", sa->dp_rx_name);
1743 dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
1745 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1746 sfc_kvarg_string_handler, &tx_name);
1748 goto fail_kvarg_tx_datapath;
1750 if (tx_name != NULL) {
1751 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1752 if (sa->dp_tx == NULL) {
1753 sfc_err(sa, "Tx datapath %s not found", tx_name);
1757 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
1759 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1762 goto fail_dp_tx_caps;
1765 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1766 if (sa->dp_tx == NULL) {
1767 sfc_err(sa, "Tx datapath by caps %#x not found",
1774 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name);
1775 if (sa->dp_tx_name == NULL) {
1777 goto fail_dp_tx_name;
1780 sfc_notice(sa, "use %s Tx datapath", sa->dp_tx_name);
1782 dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
1784 dev->dev_ops = &sfc_eth_dev_ops;
1793 fail_kvarg_tx_datapath:
1794 rte_free(sa->dp_rx_name);
1795 sa->dp_rx_name = NULL;
1802 fail_kvarg_rx_datapath:
1807 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
1809 struct sfc_adapter *sa = dev->data->dev_private;
1811 dev->dev_ops = NULL;
1812 dev->rx_pkt_burst = NULL;
1813 dev->tx_pkt_burst = NULL;
1815 rte_free(sa->dp_tx_name);
1816 sa->dp_tx_name = NULL;
1819 rte_free(sa->dp_rx_name);
1820 sa->dp_rx_name = NULL;
1824 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
1825 .rxq_info_get = sfc_rx_queue_info_get,
1826 .txq_info_get = sfc_tx_queue_info_get,
1830 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev)
1833 * Device private data has really many process-local pointers.
1834 * Below code should be extremely careful to use data located
1835 * in shared memory only.
1837 struct sfc_adapter *sa = dev->data->dev_private;
1838 const struct sfc_dp_rx *dp_rx;
1839 const struct sfc_dp_tx *dp_tx;
1842 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name);
1843 if (dp_rx == NULL) {
1844 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name);
1848 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
1849 sfc_err(sa, "%s Rx datapath does not support multi-process",
1852 goto fail_dp_rx_multi_process;
1855 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name);
1856 if (dp_tx == NULL) {
1857 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name);
1861 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
1862 sfc_err(sa, "%s Tx datapath does not support multi-process",
1865 goto fail_dp_tx_multi_process;
1868 dev->rx_pkt_burst = dp_rx->pkt_burst;
1869 dev->tx_pkt_burst = dp_tx->pkt_burst;
1870 dev->dev_ops = &sfc_eth_dev_secondary_ops;
1874 fail_dp_tx_multi_process:
1876 fail_dp_rx_multi_process:
1882 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
1884 dev->dev_ops = NULL;
1885 dev->tx_pkt_burst = NULL;
1886 dev->rx_pkt_burst = NULL;
1890 sfc_register_dp(void)
1893 if (TAILQ_EMPTY(&sfc_dp_head)) {
1894 /* Prefer EF10 datapath */
1895 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
1896 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
1898 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
1899 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
1900 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
1905 sfc_eth_dev_init(struct rte_eth_dev *dev)
1907 struct sfc_adapter *sa = dev->data->dev_private;
1908 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1910 const efx_nic_cfg_t *encp;
1911 const struct ether_addr *from;
1915 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1916 return -sfc_eth_dev_secondary_set_ops(dev);
1918 /* Required for logging */
1919 sa->pci_addr = pci_dev->addr;
1920 sa->port_id = dev->data->port_id;
1924 /* Copy PCI device info to the dev->data */
1925 rte_eth_copy_pci_info(dev, pci_dev);
1927 sa->logtype_main = sfc_register_logtype(sa, SFC_LOGTYPE_MAIN_STR,
1930 rc = sfc_kvargs_parse(sa);
1932 goto fail_kvargs_parse;
1934 sfc_log_init(sa, "entry");
1936 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1937 if (dev->data->mac_addrs == NULL) {
1939 goto fail_mac_addrs;
1942 sfc_adapter_lock_init(sa);
1943 sfc_adapter_lock(sa);
1945 sfc_log_init(sa, "probing");
1950 sfc_log_init(sa, "set device ops");
1951 rc = sfc_eth_dev_set_ops(dev);
1955 sfc_log_init(sa, "attaching");
1956 rc = sfc_attach(sa);
1960 encp = efx_nic_cfg_get(sa->nic);
1963 * The arguments are really reverse order in comparison to
1964 * Linux kernel. Copy from NIC config to Ethernet device data.
1966 from = (const struct ether_addr *)(encp->enc_mac_addr);
1967 ether_addr_copy(from, &dev->data->mac_addrs[0]);
1969 sfc_adapter_unlock(sa);
1971 sfc_log_init(sa, "done");
1975 sfc_eth_dev_clear_ops(dev);
1981 sfc_adapter_unlock(sa);
1982 sfc_adapter_lock_fini(sa);
1983 rte_free(dev->data->mac_addrs);
1984 dev->data->mac_addrs = NULL;
1987 sfc_kvargs_cleanup(sa);
1990 sfc_log_init(sa, "failed %d", rc);
1996 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
1998 struct sfc_adapter *sa;
2000 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2001 sfc_eth_dev_secondary_clear_ops(dev);
2005 sa = dev->data->dev_private;
2006 sfc_log_init(sa, "entry");
2008 sfc_adapter_lock(sa);
2010 sfc_eth_dev_clear_ops(dev);
2015 rte_free(dev->data->mac_addrs);
2016 dev->data->mac_addrs = NULL;
2018 sfc_kvargs_cleanup(sa);
2020 sfc_adapter_unlock(sa);
2021 sfc_adapter_lock_fini(sa);
2023 sfc_log_init(sa, "done");
2025 /* Required for logging, so cleanup last */
2030 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2031 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2032 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2033 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2034 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2035 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2036 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2037 { .vendor_id = 0 /* sentinel */ }
2040 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2041 struct rte_pci_device *pci_dev)
2043 return rte_eth_dev_pci_generic_probe(pci_dev,
2044 sizeof(struct sfc_adapter), sfc_eth_dev_init);
2047 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2049 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2052 static struct rte_pci_driver sfc_efx_pmd = {
2053 .id_table = pci_id_sfc_efx_map,
2055 RTE_PCI_DRV_INTR_LSC |
2056 RTE_PCI_DRV_NEED_MAPPING,
2057 .probe = sfc_eth_dev_pci_probe,
2058 .remove = sfc_eth_dev_pci_remove,
2061 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2062 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2063 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2064 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2065 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2066 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2067 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2068 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>");
2070 RTE_INIT(sfc_driver_register_logtype);
2072 sfc_driver_register_logtype(void)
2076 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver",
2078 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret;