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>
16 #include <rte_string_fns.h>
17 #include <rte_ether.h>
22 #include "sfc_debug.h"
24 #include "sfc_kvargs.h"
30 #include "sfc_dp_rx.h"
32 uint32_t sfc_logtype_driver;
34 static struct sfc_dp_list sfc_dp_head =
35 TAILQ_HEAD_INITIALIZER(sfc_dp_head);
38 static void sfc_eth_dev_clear_ops(struct rte_eth_dev *dev);
42 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
44 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
45 efx_nic_fw_info_t enfi;
50 * Return value of the callback is likely supposed to be
51 * equal to or greater than 0, nevertheless, if an error
52 * occurs, it will be desirable to pass it to the caller
54 if ((fw_version == NULL) || (fw_size == 0))
57 rc = efx_nic_get_fw_version(sa->nic, &enfi);
61 ret = snprintf(fw_version, fw_size,
62 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
63 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
64 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
68 if (enfi.enfi_dpcpu_fw_ids_valid) {
69 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
72 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
73 fw_size - dpcpu_fw_ids_offset,
74 " rx%" PRIx16 " tx%" PRIx16,
75 enfi.enfi_rx_dpcpu_fw_id,
76 enfi.enfi_tx_dpcpu_fw_id);
83 if (fw_size < (size_t)(++ret))
90 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
92 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
93 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
94 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
95 struct sfc_rss *rss = &sas->rss;
96 uint64_t txq_offloads_def = 0;
98 sfc_log_init(sa, "entry");
100 dev_info->min_mtu = RTE_ETHER_MIN_MTU;
101 dev_info->max_mtu = EFX_MAC_SDU_MAX;
103 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
105 /* Autonegotiation may be disabled */
106 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
107 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_1000FDX))
108 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
109 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_10000FDX))
110 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
111 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_25000FDX))
112 dev_info->speed_capa |= ETH_LINK_SPEED_25G;
113 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_40000FDX))
114 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
115 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_50000FDX))
116 dev_info->speed_capa |= ETH_LINK_SPEED_50G;
117 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_100000FDX))
118 dev_info->speed_capa |= ETH_LINK_SPEED_100G;
120 dev_info->max_rx_queues = sa->rxq_max;
121 dev_info->max_tx_queues = sa->txq_max;
123 /* By default packets are dropped if no descriptors are available */
124 dev_info->default_rxconf.rx_drop_en = 1;
126 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa);
129 * rx_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->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) |
134 dev_info->rx_queue_offload_capa;
136 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa);
139 * tx_offload_capa includes both device and queue offloads since
140 * the latter may be requested on a per device basis which makes
141 * sense when some offloads are needed to be set on all queues.
143 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) |
144 dev_info->tx_queue_offload_capa;
146 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
147 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
149 dev_info->default_txconf.offloads |= txq_offloads_def;
151 if (rss->context_type != EFX_RX_SCALE_UNAVAILABLE) {
155 for (i = 0; i < rss->hf_map_nb_entries; ++i)
156 rte_hf |= rss->hf_map[i].rte;
158 dev_info->reta_size = EFX_RSS_TBL_SIZE;
159 dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
160 dev_info->flow_type_rss_offloads = rte_hf;
163 /* Initialize to hardware limits */
164 dev_info->rx_desc_lim.nb_max = sa->rxq_max_entries;
165 dev_info->rx_desc_lim.nb_min = sa->rxq_min_entries;
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 = sa->rxq_min_entries;
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 = sa->txq_min_entries;
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 = sa->txq_min_entries;
180 if (sap->dp_rx->get_dev_info != NULL)
181 sap->dp_rx->get_dev_info(dev_info);
182 if (sap->dp_tx->get_dev_info != NULL)
183 sap->dp_tx->get_dev_info(dev_info);
185 dev_info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
186 RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
191 static const uint32_t *
192 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
194 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
196 return sap->dp_rx->supported_ptypes_get(sap->shared->tunnel_encaps);
200 sfc_dev_configure(struct rte_eth_dev *dev)
202 struct rte_eth_dev_data *dev_data = dev->data;
203 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
206 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
207 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
209 sfc_adapter_lock(sa);
211 case SFC_ADAPTER_CONFIGURED:
213 case SFC_ADAPTER_INITIALIZED:
214 rc = sfc_configure(sa);
217 sfc_err(sa, "unexpected adapter state %u to configure",
222 sfc_adapter_unlock(sa);
224 sfc_log_init(sa, "done %d", rc);
230 sfc_dev_start(struct rte_eth_dev *dev)
232 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
235 sfc_log_init(sa, "entry");
237 sfc_adapter_lock(sa);
239 sfc_adapter_unlock(sa);
241 sfc_log_init(sa, "done %d", rc);
247 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
249 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
250 struct rte_eth_link current_link;
253 sfc_log_init(sa, "entry");
255 if (sa->state != SFC_ADAPTER_STARTED) {
256 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
257 } else if (wait_to_complete) {
258 efx_link_mode_t link_mode;
260 if (efx_port_poll(sa->nic, &link_mode) != 0)
261 link_mode = EFX_LINK_UNKNOWN;
262 sfc_port_link_mode_to_info(link_mode, ¤t_link);
265 sfc_ev_mgmt_qpoll(sa);
266 rte_eth_linkstatus_get(dev, ¤t_link);
269 ret = rte_eth_linkstatus_set(dev, ¤t_link);
271 sfc_notice(sa, "Link status is %s",
272 current_link.link_status ? "UP" : "DOWN");
278 sfc_dev_stop(struct rte_eth_dev *dev)
280 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
282 sfc_log_init(sa, "entry");
284 sfc_adapter_lock(sa);
286 sfc_adapter_unlock(sa);
288 sfc_log_init(sa, "done");
292 sfc_dev_set_link_up(struct rte_eth_dev *dev)
294 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
297 sfc_log_init(sa, "entry");
299 sfc_adapter_lock(sa);
301 sfc_adapter_unlock(sa);
308 sfc_dev_set_link_down(struct rte_eth_dev *dev)
310 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
312 sfc_log_init(sa, "entry");
314 sfc_adapter_lock(sa);
316 sfc_adapter_unlock(sa);
322 sfc_dev_close(struct rte_eth_dev *dev)
324 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
326 sfc_log_init(sa, "entry");
328 sfc_adapter_lock(sa);
330 case SFC_ADAPTER_STARTED:
332 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
334 case SFC_ADAPTER_CONFIGURED:
336 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
338 case SFC_ADAPTER_INITIALIZED:
341 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
346 * Cleanup all resources in accordance with RTE_ETH_DEV_CLOSE_REMOVE.
347 * Rollback primary process sfc_eth_dev_init() below.
350 sfc_eth_dev_clear_ops(dev);
355 sfc_kvargs_cleanup(sa);
357 sfc_adapter_unlock(sa);
358 sfc_adapter_lock_fini(sa);
360 sfc_log_init(sa, "done");
362 /* Required for logging, so cleanup last */
365 dev->process_private = NULL;
370 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
373 struct sfc_port *port;
375 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
376 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
377 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
380 sfc_adapter_lock(sa);
383 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
385 if (*toggle != enabled) {
388 if (sfc_sa2shared(sa)->isolated) {
389 sfc_warn(sa, "isolated mode is active on the port");
390 sfc_warn(sa, "the change is to be applied on the next "
391 "start provided that isolated mode is "
392 "disabled prior the next start");
393 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
394 ((rc = sfc_set_rx_mode(sa)) != 0)) {
395 *toggle = !(enabled);
396 sfc_warn(sa, "Failed to %s %s mode",
397 ((enabled) ? "enable" : "disable"), desc);
401 sfc_adapter_unlock(sa);
406 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
408 return sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
412 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
414 return sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
418 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
420 return sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
424 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
426 return sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
430 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
431 uint16_t nb_rx_desc, unsigned int socket_id,
432 const struct rte_eth_rxconf *rx_conf,
433 struct rte_mempool *mb_pool)
435 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
436 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
439 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
440 rx_queue_id, nb_rx_desc, socket_id);
442 sfc_adapter_lock(sa);
444 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
449 dev->data->rx_queues[rx_queue_id] = sas->rxq_info[rx_queue_id].dp;
451 sfc_adapter_unlock(sa);
456 sfc_adapter_unlock(sa);
462 sfc_rx_queue_release(void *queue)
464 struct sfc_dp_rxq *dp_rxq = queue;
466 struct sfc_adapter *sa;
467 unsigned int sw_index;
472 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
474 sfc_adapter_lock(sa);
476 sw_index = dp_rxq->dpq.queue_id;
478 sfc_log_init(sa, "RxQ=%u", sw_index);
480 sfc_rx_qfini(sa, sw_index);
482 sfc_adapter_unlock(sa);
486 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
487 uint16_t nb_tx_desc, unsigned int socket_id,
488 const struct rte_eth_txconf *tx_conf)
490 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
491 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
494 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
495 tx_queue_id, nb_tx_desc, socket_id);
497 sfc_adapter_lock(sa);
499 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
503 dev->data->tx_queues[tx_queue_id] = sas->txq_info[tx_queue_id].dp;
505 sfc_adapter_unlock(sa);
509 sfc_adapter_unlock(sa);
515 sfc_tx_queue_release(void *queue)
517 struct sfc_dp_txq *dp_txq = queue;
519 unsigned int sw_index;
520 struct sfc_adapter *sa;
525 txq = sfc_txq_by_dp_txq(dp_txq);
526 sw_index = dp_txq->dpq.queue_id;
528 SFC_ASSERT(txq->evq != NULL);
531 sfc_log_init(sa, "TxQ = %u", sw_index);
533 sfc_adapter_lock(sa);
535 sfc_tx_qfini(sa, sw_index);
537 sfc_adapter_unlock(sa);
541 * Some statistics are computed as A - B where A and B each increase
542 * monotonically with some hardware counter(s) and the counters are read
545 * If packet X is counted in A, but not counted in B yet, computed value is
548 * If packet X is not counted in A at the moment of reading the counter,
549 * but counted in B at the moment of reading the counter, computed value
552 * However, counter which grows backward is worse evil than slightly wrong
553 * value. So, let's try to guarantee that it never happens except may be
554 * the case when the MAC stats are zeroed as a result of a NIC reset.
557 sfc_update_diff_stat(uint64_t *stat, uint64_t newval)
559 if ((int64_t)(newval - *stat) > 0 || newval == 0)
564 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
566 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
567 struct sfc_port *port = &sa->port;
571 rte_spinlock_lock(&port->mac_stats_lock);
573 ret = sfc_port_update_mac_stats(sa);
577 mac_stats = port->mac_stats_buf;
579 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
580 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
582 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
583 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
584 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
586 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
587 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
588 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
590 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
591 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
592 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
594 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
595 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
596 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
597 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
598 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
600 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
601 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
602 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
604 * Take into account stats which are whenever supported
605 * on EF10. If some stat is not supported by current
606 * firmware variant or HW revision, it is guaranteed
607 * to be zero in mac_stats.
610 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
611 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
612 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
613 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
614 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
615 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
616 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
617 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
618 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
619 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
621 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
622 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
623 mac_stats[EFX_MAC_RX_JABBER_PKTS];
624 /* no oerrors counters supported on EF10 */
626 /* Exclude missed, errors and pauses from Rx packets */
627 sfc_update_diff_stat(&port->ipackets,
628 mac_stats[EFX_MAC_RX_PKTS] -
629 mac_stats[EFX_MAC_RX_PAUSE_PKTS] -
630 stats->imissed - stats->ierrors);
631 stats->ipackets = port->ipackets;
635 rte_spinlock_unlock(&port->mac_stats_lock);
636 SFC_ASSERT(ret >= 0);
641 sfc_stats_reset(struct rte_eth_dev *dev)
643 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
644 struct sfc_port *port = &sa->port;
647 if (sa->state != SFC_ADAPTER_STARTED) {
649 * The operation cannot be done if port is not started; it
650 * will be scheduled to be done during the next port start
652 port->mac_stats_reset_pending = B_TRUE;
656 rc = sfc_port_reset_mac_stats(sa);
658 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
665 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
666 unsigned int xstats_count)
668 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
669 struct sfc_port *port = &sa->port;
675 rte_spinlock_lock(&port->mac_stats_lock);
677 rc = sfc_port_update_mac_stats(sa);
684 mac_stats = port->mac_stats_buf;
686 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
687 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
688 if (xstats != NULL && nstats < (int)xstats_count) {
689 xstats[nstats].id = nstats;
690 xstats[nstats].value = mac_stats[i];
697 rte_spinlock_unlock(&port->mac_stats_lock);
703 sfc_xstats_get_names(struct rte_eth_dev *dev,
704 struct rte_eth_xstat_name *xstats_names,
705 unsigned int xstats_count)
707 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
708 struct sfc_port *port = &sa->port;
710 unsigned int nstats = 0;
712 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
713 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
714 if (xstats_names != NULL && nstats < xstats_count)
715 strlcpy(xstats_names[nstats].name,
716 efx_mac_stat_name(sa->nic, i),
717 sizeof(xstats_names[0].name));
726 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
727 uint64_t *values, unsigned int n)
729 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
730 struct sfc_port *port = &sa->port;
732 unsigned int nb_supported = 0;
733 unsigned int nb_written = 0;
738 if (unlikely(values == NULL) ||
739 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
740 return port->mac_stats_nb_supported;
742 rte_spinlock_lock(&port->mac_stats_lock);
744 rc = sfc_port_update_mac_stats(sa);
751 mac_stats = port->mac_stats_buf;
753 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
754 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
757 if ((ids == NULL) || (ids[nb_written] == nb_supported))
758 values[nb_written++] = mac_stats[i];
766 rte_spinlock_unlock(&port->mac_stats_lock);
772 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
773 struct rte_eth_xstat_name *xstats_names,
774 const uint64_t *ids, unsigned int size)
776 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
777 struct sfc_port *port = &sa->port;
778 unsigned int nb_supported = 0;
779 unsigned int nb_written = 0;
782 if (unlikely(xstats_names == NULL) ||
783 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
784 return port->mac_stats_nb_supported;
786 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
787 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
790 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
791 char *name = xstats_names[nb_written++].name;
793 strlcpy(name, efx_mac_stat_name(sa->nic, i),
794 sizeof(xstats_names[0].name));
804 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
806 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
807 unsigned int wanted_fc, link_fc;
809 memset(fc_conf, 0, sizeof(*fc_conf));
811 sfc_adapter_lock(sa);
813 if (sa->state == SFC_ADAPTER_STARTED)
814 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
816 link_fc = sa->port.flow_ctrl;
820 fc_conf->mode = RTE_FC_NONE;
822 case EFX_FCNTL_RESPOND:
823 fc_conf->mode = RTE_FC_RX_PAUSE;
825 case EFX_FCNTL_GENERATE:
826 fc_conf->mode = RTE_FC_TX_PAUSE;
828 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
829 fc_conf->mode = RTE_FC_FULL;
832 sfc_err(sa, "%s: unexpected flow control value %#x",
836 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
838 sfc_adapter_unlock(sa);
844 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
846 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
847 struct sfc_port *port = &sa->port;
851 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
852 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
853 fc_conf->mac_ctrl_frame_fwd != 0) {
854 sfc_err(sa, "unsupported flow control settings specified");
859 switch (fc_conf->mode) {
863 case RTE_FC_RX_PAUSE:
864 fcntl = EFX_FCNTL_RESPOND;
866 case RTE_FC_TX_PAUSE:
867 fcntl = EFX_FCNTL_GENERATE;
870 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
877 sfc_adapter_lock(sa);
879 if (sa->state == SFC_ADAPTER_STARTED) {
880 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
882 goto fail_mac_fcntl_set;
885 port->flow_ctrl = fcntl;
886 port->flow_ctrl_autoneg = fc_conf->autoneg;
888 sfc_adapter_unlock(sa);
893 sfc_adapter_unlock(sa);
900 sfc_check_scatter_on_all_rx_queues(struct sfc_adapter *sa, size_t pdu)
902 struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
903 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
904 boolean_t scatter_enabled;
908 for (i = 0; i < sas->rxq_count; i++) {
909 if ((sas->rxq_info[i].state & SFC_RXQ_INITIALIZED) == 0)
912 scatter_enabled = (sas->rxq_info[i].type_flags &
913 EFX_RXQ_FLAG_SCATTER);
915 if (!sfc_rx_check_scatter(pdu, sa->rxq_ctrl[i].buf_size,
916 encp->enc_rx_prefix_size,
917 scatter_enabled, &error)) {
918 sfc_err(sa, "MTU check for RxQ %u failed: %s", i,
928 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
930 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
931 size_t pdu = EFX_MAC_PDU(mtu);
935 sfc_log_init(sa, "mtu=%u", mtu);
938 if (pdu < EFX_MAC_PDU_MIN) {
939 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
940 (unsigned int)mtu, (unsigned int)pdu,
944 if (pdu > EFX_MAC_PDU_MAX) {
945 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
946 (unsigned int)mtu, (unsigned int)pdu,
947 (unsigned int)EFX_MAC_PDU_MAX);
951 sfc_adapter_lock(sa);
953 rc = sfc_check_scatter_on_all_rx_queues(sa, pdu);
955 goto fail_check_scatter;
957 if (pdu != sa->port.pdu) {
958 if (sa->state == SFC_ADAPTER_STARTED) {
961 old_pdu = sa->port.pdu;
972 * The driver does not use it, but other PMDs update jumbo frame
973 * flag and max_rx_pkt_len when MTU is set.
975 if (mtu > RTE_ETHER_MAX_LEN) {
976 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
977 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
980 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
982 sfc_adapter_unlock(sa);
984 sfc_log_init(sa, "done");
988 sa->port.pdu = old_pdu;
989 if (sfc_start(sa) != 0)
990 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
991 "PDU max size - port is stopped",
992 (unsigned int)pdu, (unsigned int)old_pdu);
995 sfc_adapter_unlock(sa);
998 sfc_log_init(sa, "failed %d", rc);
1003 sfc_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
1005 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1006 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
1007 struct sfc_port *port = &sa->port;
1008 struct rte_ether_addr *old_addr = &dev->data->mac_addrs[0];
1011 sfc_adapter_lock(sa);
1014 * Copy the address to the device private data so that
1015 * it could be recalled in the case of adapter restart.
1017 rte_ether_addr_copy(mac_addr, &port->default_mac_addr);
1020 * Neither of the two following checks can return
1021 * an error. The new MAC address is preserved in
1022 * the device private data and can be activated
1023 * on the next port start if the user prevents
1024 * isolated mode from being enabled.
1026 if (sfc_sa2shared(sa)->isolated) {
1027 sfc_warn(sa, "isolated mode is active on the port");
1028 sfc_warn(sa, "will not set MAC address");
1032 if (sa->state != SFC_ADAPTER_STARTED) {
1033 sfc_notice(sa, "the port is not started");
1034 sfc_notice(sa, "the new MAC address will be set on port start");
1039 if (encp->enc_allow_set_mac_with_installed_filters) {
1040 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
1042 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
1047 * Changing the MAC address by means of MCDI request
1048 * has no effect on received traffic, therefore
1049 * we also need to update unicast filters
1051 rc = sfc_set_rx_mode(sa);
1053 sfc_err(sa, "cannot set filter (rc = %u)", rc);
1054 /* Rollback the old address */
1055 (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes);
1056 (void)sfc_set_rx_mode(sa);
1059 sfc_warn(sa, "cannot set MAC address with filters installed");
1060 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
1061 sfc_warn(sa, "(some traffic may be dropped)");
1064 * Since setting MAC address with filters installed is not
1065 * allowed on the adapter, the new MAC address will be set
1066 * by means of adapter restart. sfc_start() shall retrieve
1067 * the new address from the device private data and set it.
1072 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
1077 rte_ether_addr_copy(old_addr, &port->default_mac_addr);
1079 sfc_adapter_unlock(sa);
1081 SFC_ASSERT(rc >= 0);
1087 sfc_set_mc_addr_list(struct rte_eth_dev *dev,
1088 struct rte_ether_addr *mc_addr_set, uint32_t nb_mc_addr)
1090 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1091 struct sfc_port *port = &sa->port;
1092 uint8_t *mc_addrs = port->mcast_addrs;
1096 if (sfc_sa2shared(sa)->isolated) {
1097 sfc_err(sa, "isolated mode is active on the port");
1098 sfc_err(sa, "will not set multicast address list");
1102 if (mc_addrs == NULL)
1105 if (nb_mc_addr > port->max_mcast_addrs) {
1106 sfc_err(sa, "too many multicast addresses: %u > %u",
1107 nb_mc_addr, port->max_mcast_addrs);
1111 for (i = 0; i < nb_mc_addr; ++i) {
1112 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1114 mc_addrs += EFX_MAC_ADDR_LEN;
1117 port->nb_mcast_addrs = nb_mc_addr;
1119 if (sa->state != SFC_ADAPTER_STARTED)
1122 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1123 port->nb_mcast_addrs);
1125 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1127 SFC_ASSERT(rc >= 0);
1132 * The function is used by the secondary process as well. It must not
1133 * use any process-local pointers from the adapter data.
1136 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1137 struct rte_eth_rxq_info *qinfo)
1139 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1140 struct sfc_rxq_info *rxq_info;
1142 SFC_ASSERT(rx_queue_id < sas->rxq_count);
1144 rxq_info = &sas->rxq_info[rx_queue_id];
1146 qinfo->mp = rxq_info->refill_mb_pool;
1147 qinfo->conf.rx_free_thresh = rxq_info->refill_threshold;
1148 qinfo->conf.rx_drop_en = 1;
1149 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1150 qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads;
1151 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1152 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1153 qinfo->scattered_rx = 1;
1155 qinfo->nb_desc = rxq_info->entries;
1159 * The function is used by the secondary process as well. It must not
1160 * use any process-local pointers from the adapter data.
1163 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1164 struct rte_eth_txq_info *qinfo)
1166 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1167 struct sfc_txq_info *txq_info;
1169 SFC_ASSERT(tx_queue_id < sas->txq_count);
1171 txq_info = &sas->txq_info[tx_queue_id];
1173 memset(qinfo, 0, sizeof(*qinfo));
1175 qinfo->conf.offloads = txq_info->offloads;
1176 qinfo->conf.tx_free_thresh = txq_info->free_thresh;
1177 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1178 qinfo->nb_desc = txq_info->entries;
1182 * The function is used by the secondary process as well. It must not
1183 * use any process-local pointers from the adapter data.
1186 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1188 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1189 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1190 struct sfc_rxq_info *rxq_info;
1192 SFC_ASSERT(rx_queue_id < sas->rxq_count);
1193 rxq_info = &sas->rxq_info[rx_queue_id];
1195 if ((rxq_info->state & SFC_RXQ_STARTED) == 0)
1198 return sap->dp_rx->qdesc_npending(rxq_info->dp);
1202 * The function is used by the secondary process as well. It must not
1203 * use any process-local pointers from the adapter data.
1206 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1208 struct sfc_dp_rxq *dp_rxq = queue;
1209 const struct sfc_dp_rx *dp_rx;
1211 dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
1213 return offset < dp_rx->qdesc_npending(dp_rxq);
1217 * The function is used by the secondary process as well. It must not
1218 * use any process-local pointers from the adapter data.
1221 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1223 struct sfc_dp_rxq *dp_rxq = queue;
1224 const struct sfc_dp_rx *dp_rx;
1226 dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
1228 return dp_rx->qdesc_status(dp_rxq, offset);
1232 * The function is used by the secondary process as well. It must not
1233 * use any process-local pointers from the adapter data.
1236 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1238 struct sfc_dp_txq *dp_txq = queue;
1239 const struct sfc_dp_tx *dp_tx;
1241 dp_tx = sfc_dp_tx_by_dp_txq(dp_txq);
1243 return dp_tx->qdesc_status(dp_txq, offset);
1247 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1249 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1250 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1253 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1255 sfc_adapter_lock(sa);
1258 if (sa->state != SFC_ADAPTER_STARTED)
1259 goto fail_not_started;
1261 if (sas->rxq_info[rx_queue_id].state != SFC_RXQ_INITIALIZED)
1262 goto fail_not_setup;
1264 rc = sfc_rx_qstart(sa, rx_queue_id);
1266 goto fail_rx_qstart;
1268 sas->rxq_info[rx_queue_id].deferred_started = B_TRUE;
1270 sfc_adapter_unlock(sa);
1277 sfc_adapter_unlock(sa);
1283 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1285 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1286 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1288 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1290 sfc_adapter_lock(sa);
1291 sfc_rx_qstop(sa, rx_queue_id);
1293 sas->rxq_info[rx_queue_id].deferred_started = B_FALSE;
1295 sfc_adapter_unlock(sa);
1301 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1303 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1304 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1307 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1309 sfc_adapter_lock(sa);
1312 if (sa->state != SFC_ADAPTER_STARTED)
1313 goto fail_not_started;
1315 if (sas->txq_info[tx_queue_id].state != SFC_TXQ_INITIALIZED)
1316 goto fail_not_setup;
1318 rc = sfc_tx_qstart(sa, tx_queue_id);
1320 goto fail_tx_qstart;
1322 sas->txq_info[tx_queue_id].deferred_started = B_TRUE;
1324 sfc_adapter_unlock(sa);
1331 sfc_adapter_unlock(sa);
1337 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1339 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1340 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1342 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1344 sfc_adapter_lock(sa);
1346 sfc_tx_qstop(sa, tx_queue_id);
1348 sas->txq_info[tx_queue_id].deferred_started = B_FALSE;
1350 sfc_adapter_unlock(sa);
1354 static efx_tunnel_protocol_t
1355 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1358 case RTE_TUNNEL_TYPE_VXLAN:
1359 return EFX_TUNNEL_PROTOCOL_VXLAN;
1360 case RTE_TUNNEL_TYPE_GENEVE:
1361 return EFX_TUNNEL_PROTOCOL_GENEVE;
1363 return EFX_TUNNEL_NPROTOS;
1367 enum sfc_udp_tunnel_op_e {
1368 SFC_UDP_TUNNEL_ADD_PORT,
1369 SFC_UDP_TUNNEL_DEL_PORT,
1373 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1374 struct rte_eth_udp_tunnel *tunnel_udp,
1375 enum sfc_udp_tunnel_op_e op)
1377 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1378 efx_tunnel_protocol_t tunnel_proto;
1381 sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1382 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1383 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1384 tunnel_udp->udp_port, tunnel_udp->prot_type);
1387 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1388 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1390 goto fail_bad_proto;
1393 sfc_adapter_lock(sa);
1396 case SFC_UDP_TUNNEL_ADD_PORT:
1397 rc = efx_tunnel_config_udp_add(sa->nic,
1398 tunnel_udp->udp_port,
1401 case SFC_UDP_TUNNEL_DEL_PORT:
1402 rc = efx_tunnel_config_udp_remove(sa->nic,
1403 tunnel_udp->udp_port,
1414 if (sa->state == SFC_ADAPTER_STARTED) {
1415 rc = efx_tunnel_reconfigure(sa->nic);
1418 * Configuration is accepted by FW and MC reboot
1419 * is initiated to apply the changes. MC reboot
1420 * will be handled in a usual way (MC reboot
1421 * event on management event queue and adapter
1425 } else if (rc != 0) {
1426 goto fail_reconfigure;
1430 sfc_adapter_unlock(sa);
1434 /* Remove/restore entry since the change makes the trouble */
1436 case SFC_UDP_TUNNEL_ADD_PORT:
1437 (void)efx_tunnel_config_udp_remove(sa->nic,
1438 tunnel_udp->udp_port,
1441 case SFC_UDP_TUNNEL_DEL_PORT:
1442 (void)efx_tunnel_config_udp_add(sa->nic,
1443 tunnel_udp->udp_port,
1450 sfc_adapter_unlock(sa);
1458 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1459 struct rte_eth_udp_tunnel *tunnel_udp)
1461 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1465 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1466 struct rte_eth_udp_tunnel *tunnel_udp)
1468 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1472 * The function is used by the secondary process as well. It must not
1473 * use any process-local pointers from the adapter data.
1476 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1477 struct rte_eth_rss_conf *rss_conf)
1479 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1480 struct sfc_rss *rss = &sas->rss;
1482 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE)
1486 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1487 * hence, conversion is done here to derive a correct set of ETH_RSS
1488 * flags which corresponds to the active EFX configuration stored
1489 * locally in 'sfc_adapter' and kept up-to-date
1491 rss_conf->rss_hf = sfc_rx_hf_efx_to_rte(rss, rss->hash_types);
1492 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1493 if (rss_conf->rss_key != NULL)
1494 rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE);
1500 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1501 struct rte_eth_rss_conf *rss_conf)
1503 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1504 struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
1505 unsigned int efx_hash_types;
1508 if (sfc_sa2shared(sa)->isolated)
1511 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
1512 sfc_err(sa, "RSS is not available");
1516 if (rss->channels == 0) {
1517 sfc_err(sa, "RSS is not configured");
1521 if ((rss_conf->rss_key != NULL) &&
1522 (rss_conf->rss_key_len != sizeof(rss->key))) {
1523 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1528 sfc_adapter_lock(sa);
1530 rc = sfc_rx_hf_rte_to_efx(sa, rss_conf->rss_hf, &efx_hash_types);
1532 goto fail_rx_hf_rte_to_efx;
1534 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1535 rss->hash_alg, efx_hash_types, B_TRUE);
1537 goto fail_scale_mode_set;
1539 if (rss_conf->rss_key != NULL) {
1540 if (sa->state == SFC_ADAPTER_STARTED) {
1541 rc = efx_rx_scale_key_set(sa->nic,
1542 EFX_RSS_CONTEXT_DEFAULT,
1546 goto fail_scale_key_set;
1549 rte_memcpy(rss->key, rss_conf->rss_key, sizeof(rss->key));
1552 rss->hash_types = efx_hash_types;
1554 sfc_adapter_unlock(sa);
1559 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1560 EFX_RX_HASHALG_TOEPLITZ,
1561 rss->hash_types, B_TRUE) != 0)
1562 sfc_err(sa, "failed to restore RSS mode");
1564 fail_scale_mode_set:
1565 fail_rx_hf_rte_to_efx:
1566 sfc_adapter_unlock(sa);
1571 * The function is used by the secondary process as well. It must not
1572 * use any process-local pointers from the adapter data.
1575 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1576 struct rte_eth_rss_reta_entry64 *reta_conf,
1579 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1580 struct sfc_rss *rss = &sas->rss;
1583 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || sas->isolated)
1586 if (rss->channels == 0)
1589 if (reta_size != EFX_RSS_TBL_SIZE)
1592 for (entry = 0; entry < reta_size; entry++) {
1593 int grp = entry / RTE_RETA_GROUP_SIZE;
1594 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1596 if ((reta_conf[grp].mask >> grp_idx) & 1)
1597 reta_conf[grp].reta[grp_idx] = rss->tbl[entry];
1604 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1605 struct rte_eth_rss_reta_entry64 *reta_conf,
1608 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1609 struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
1610 unsigned int *rss_tbl_new;
1615 if (sfc_sa2shared(sa)->isolated)
1618 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
1619 sfc_err(sa, "RSS is not available");
1623 if (rss->channels == 0) {
1624 sfc_err(sa, "RSS is not configured");
1628 if (reta_size != EFX_RSS_TBL_SIZE) {
1629 sfc_err(sa, "RETA size is wrong (should be %u)",
1634 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(rss->tbl), 0);
1635 if (rss_tbl_new == NULL)
1638 sfc_adapter_lock(sa);
1640 rte_memcpy(rss_tbl_new, rss->tbl, sizeof(rss->tbl));
1642 for (entry = 0; entry < reta_size; entry++) {
1643 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1644 struct rte_eth_rss_reta_entry64 *grp;
1646 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1648 if (grp->mask & (1ull << grp_idx)) {
1649 if (grp->reta[grp_idx] >= rss->channels) {
1651 goto bad_reta_entry;
1653 rss_tbl_new[entry] = grp->reta[grp_idx];
1657 if (sa->state == SFC_ADAPTER_STARTED) {
1658 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1659 rss_tbl_new, EFX_RSS_TBL_SIZE);
1661 goto fail_scale_tbl_set;
1664 rte_memcpy(rss->tbl, rss_tbl_new, sizeof(rss->tbl));
1668 sfc_adapter_unlock(sa);
1670 rte_free(rss_tbl_new);
1672 SFC_ASSERT(rc >= 0);
1677 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
1678 enum rte_filter_op filter_op,
1681 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1684 sfc_log_init(sa, "entry");
1686 switch (filter_type) {
1687 case RTE_ETH_FILTER_NONE:
1688 sfc_err(sa, "Global filters configuration not supported");
1690 case RTE_ETH_FILTER_MACVLAN:
1691 sfc_err(sa, "MACVLAN filters not supported");
1693 case RTE_ETH_FILTER_ETHERTYPE:
1694 sfc_err(sa, "EtherType filters not supported");
1696 case RTE_ETH_FILTER_FLEXIBLE:
1697 sfc_err(sa, "Flexible filters not supported");
1699 case RTE_ETH_FILTER_SYN:
1700 sfc_err(sa, "SYN filters not supported");
1702 case RTE_ETH_FILTER_NTUPLE:
1703 sfc_err(sa, "NTUPLE filters not supported");
1705 case RTE_ETH_FILTER_TUNNEL:
1706 sfc_err(sa, "Tunnel filters not supported");
1708 case RTE_ETH_FILTER_FDIR:
1709 sfc_err(sa, "Flow Director filters not supported");
1711 case RTE_ETH_FILTER_HASH:
1712 sfc_err(sa, "Hash filters not supported");
1714 case RTE_ETH_FILTER_GENERIC:
1715 if (filter_op != RTE_ETH_FILTER_GET) {
1718 *(const void **)arg = &sfc_flow_ops;
1723 sfc_err(sa, "Unknown filter type %u", filter_type);
1727 sfc_log_init(sa, "exit: %d", -rc);
1728 SFC_ASSERT(rc >= 0);
1733 sfc_pool_ops_supported(struct rte_eth_dev *dev, const char *pool)
1735 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1738 * If Rx datapath does not provide callback to check mempool,
1739 * all pools are supported.
1741 if (sap->dp_rx->pool_ops_supported == NULL)
1744 return sap->dp_rx->pool_ops_supported(pool);
1748 sfc_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1750 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1751 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1752 struct sfc_rxq_info *rxq_info;
1754 SFC_ASSERT(queue_id < sas->rxq_count);
1755 rxq_info = &sas->rxq_info[queue_id];
1757 return sap->dp_rx->intr_enable(rxq_info->dp);
1761 sfc_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1763 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1764 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1765 struct sfc_rxq_info *rxq_info;
1767 SFC_ASSERT(queue_id < sas->rxq_count);
1768 rxq_info = &sas->rxq_info[queue_id];
1770 return sap->dp_rx->intr_disable(rxq_info->dp);
1773 static const struct eth_dev_ops sfc_eth_dev_ops = {
1774 .dev_configure = sfc_dev_configure,
1775 .dev_start = sfc_dev_start,
1776 .dev_stop = sfc_dev_stop,
1777 .dev_set_link_up = sfc_dev_set_link_up,
1778 .dev_set_link_down = sfc_dev_set_link_down,
1779 .dev_close = sfc_dev_close,
1780 .promiscuous_enable = sfc_dev_promisc_enable,
1781 .promiscuous_disable = sfc_dev_promisc_disable,
1782 .allmulticast_enable = sfc_dev_allmulti_enable,
1783 .allmulticast_disable = sfc_dev_allmulti_disable,
1784 .link_update = sfc_dev_link_update,
1785 .stats_get = sfc_stats_get,
1786 .stats_reset = sfc_stats_reset,
1787 .xstats_get = sfc_xstats_get,
1788 .xstats_reset = sfc_stats_reset,
1789 .xstats_get_names = sfc_xstats_get_names,
1790 .dev_infos_get = sfc_dev_infos_get,
1791 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1792 .mtu_set = sfc_dev_set_mtu,
1793 .rx_queue_start = sfc_rx_queue_start,
1794 .rx_queue_stop = sfc_rx_queue_stop,
1795 .tx_queue_start = sfc_tx_queue_start,
1796 .tx_queue_stop = sfc_tx_queue_stop,
1797 .rx_queue_setup = sfc_rx_queue_setup,
1798 .rx_queue_release = sfc_rx_queue_release,
1799 .rx_queue_count = sfc_rx_queue_count,
1800 .rx_descriptor_done = sfc_rx_descriptor_done,
1801 .rx_descriptor_status = sfc_rx_descriptor_status,
1802 .tx_descriptor_status = sfc_tx_descriptor_status,
1803 .rx_queue_intr_enable = sfc_rx_queue_intr_enable,
1804 .rx_queue_intr_disable = sfc_rx_queue_intr_disable,
1805 .tx_queue_setup = sfc_tx_queue_setup,
1806 .tx_queue_release = sfc_tx_queue_release,
1807 .flow_ctrl_get = sfc_flow_ctrl_get,
1808 .flow_ctrl_set = sfc_flow_ctrl_set,
1809 .mac_addr_set = sfc_mac_addr_set,
1810 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add,
1811 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del,
1812 .reta_update = sfc_dev_rss_reta_update,
1813 .reta_query = sfc_dev_rss_reta_query,
1814 .rss_hash_update = sfc_dev_rss_hash_update,
1815 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1816 .filter_ctrl = sfc_dev_filter_ctrl,
1817 .set_mc_addr_list = sfc_set_mc_addr_list,
1818 .rxq_info_get = sfc_rx_queue_info_get,
1819 .txq_info_get = sfc_tx_queue_info_get,
1820 .fw_version_get = sfc_fw_version_get,
1821 .xstats_get_by_id = sfc_xstats_get_by_id,
1822 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1823 .pool_ops_supported = sfc_pool_ops_supported,
1827 * Duplicate a string in potentially shared memory required for
1828 * multi-process support.
1830 * strdup() allocates from process-local heap/memory.
1833 sfc_strdup(const char *str)
1841 size = strlen(str) + 1;
1842 copy = rte_malloc(__func__, size, 0);
1844 rte_memcpy(copy, str, size);
1850 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1852 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1853 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1854 const struct sfc_dp_rx *dp_rx;
1855 const struct sfc_dp_tx *dp_tx;
1856 const efx_nic_cfg_t *encp;
1857 unsigned int avail_caps = 0;
1858 const char *rx_name = NULL;
1859 const char *tx_name = NULL;
1862 switch (sa->family) {
1863 case EFX_FAMILY_HUNTINGTON:
1864 case EFX_FAMILY_MEDFORD:
1865 case EFX_FAMILY_MEDFORD2:
1866 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1872 encp = efx_nic_cfg_get(sa->nic);
1873 if (encp->enc_rx_es_super_buffer_supported)
1874 avail_caps |= SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER;
1876 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1877 sfc_kvarg_string_handler, &rx_name);
1879 goto fail_kvarg_rx_datapath;
1881 if (rx_name != NULL) {
1882 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1883 if (dp_rx == NULL) {
1884 sfc_err(sa, "Rx datapath %s not found", rx_name);
1888 if (!sfc_dp_match_hw_fw_caps(&dp_rx->dp, avail_caps)) {
1890 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1893 goto fail_dp_rx_caps;
1896 dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1897 if (dp_rx == NULL) {
1898 sfc_err(sa, "Rx datapath by caps %#x not found",
1905 sas->dp_rx_name = sfc_strdup(dp_rx->dp.name);
1906 if (sas->dp_rx_name == NULL) {
1908 goto fail_dp_rx_name;
1911 sfc_notice(sa, "use %s Rx datapath", sas->dp_rx_name);
1913 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1914 sfc_kvarg_string_handler, &tx_name);
1916 goto fail_kvarg_tx_datapath;
1918 if (tx_name != NULL) {
1919 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1920 if (dp_tx == NULL) {
1921 sfc_err(sa, "Tx datapath %s not found", tx_name);
1925 if (!sfc_dp_match_hw_fw_caps(&dp_tx->dp, avail_caps)) {
1927 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1930 goto fail_dp_tx_caps;
1933 dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1934 if (dp_tx == NULL) {
1935 sfc_err(sa, "Tx datapath by caps %#x not found",
1942 sas->dp_tx_name = sfc_strdup(dp_tx->dp.name);
1943 if (sas->dp_tx_name == NULL) {
1945 goto fail_dp_tx_name;
1948 sfc_notice(sa, "use %s Tx datapath", sas->dp_tx_name);
1950 sa->priv.dp_rx = dp_rx;
1951 sa->priv.dp_tx = dp_tx;
1953 dev->rx_pkt_burst = dp_rx->pkt_burst;
1954 dev->tx_pkt_prepare = dp_tx->pkt_prepare;
1955 dev->tx_pkt_burst = dp_tx->pkt_burst;
1957 dev->dev_ops = &sfc_eth_dev_ops;
1964 fail_kvarg_tx_datapath:
1965 rte_free(sas->dp_rx_name);
1966 sas->dp_rx_name = NULL;
1971 fail_kvarg_rx_datapath:
1976 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
1978 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1979 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1981 dev->dev_ops = NULL;
1982 dev->tx_pkt_prepare = NULL;
1983 dev->rx_pkt_burst = NULL;
1984 dev->tx_pkt_burst = NULL;
1986 rte_free(sas->dp_tx_name);
1987 sas->dp_tx_name = NULL;
1988 sa->priv.dp_tx = NULL;
1990 rte_free(sas->dp_rx_name);
1991 sas->dp_rx_name = NULL;
1992 sa->priv.dp_rx = NULL;
1995 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
1996 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1997 .rx_queue_count = sfc_rx_queue_count,
1998 .rx_descriptor_done = sfc_rx_descriptor_done,
1999 .rx_descriptor_status = sfc_rx_descriptor_status,
2000 .tx_descriptor_status = sfc_tx_descriptor_status,
2001 .reta_query = sfc_dev_rss_reta_query,
2002 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
2003 .rxq_info_get = sfc_rx_queue_info_get,
2004 .txq_info_get = sfc_tx_queue_info_get,
2008 sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main)
2010 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2011 struct sfc_adapter_priv *sap;
2012 const struct sfc_dp_rx *dp_rx;
2013 const struct sfc_dp_tx *dp_tx;
2017 * Allocate process private data from heap, since it should not
2018 * be located in shared memory allocated using rte_malloc() API.
2020 sap = calloc(1, sizeof(*sap));
2023 goto fail_alloc_priv;
2026 sap->logtype_main = logtype_main;
2028 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sas->dp_rx_name);
2029 if (dp_rx == NULL) {
2030 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2031 "cannot find %s Rx datapath", sas->dp_rx_name);
2035 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
2036 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2037 "%s Rx datapath does not support multi-process",
2040 goto fail_dp_rx_multi_process;
2043 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sas->dp_tx_name);
2044 if (dp_tx == NULL) {
2045 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2046 "cannot find %s Tx datapath", sas->dp_tx_name);
2050 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
2051 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2052 "%s Tx datapath does not support multi-process",
2055 goto fail_dp_tx_multi_process;
2061 dev->process_private = sap;
2062 dev->rx_pkt_burst = dp_rx->pkt_burst;
2063 dev->tx_pkt_prepare = dp_tx->pkt_prepare;
2064 dev->tx_pkt_burst = dp_tx->pkt_burst;
2065 dev->dev_ops = &sfc_eth_dev_secondary_ops;
2069 fail_dp_tx_multi_process:
2071 fail_dp_rx_multi_process:
2080 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
2082 free(dev->process_private);
2083 dev->process_private = NULL;
2084 dev->dev_ops = NULL;
2085 dev->tx_pkt_prepare = NULL;
2086 dev->tx_pkt_burst = NULL;
2087 dev->rx_pkt_burst = NULL;
2091 sfc_register_dp(void)
2094 if (TAILQ_EMPTY(&sfc_dp_head)) {
2095 /* Prefer EF10 datapath */
2096 sfc_dp_register(&sfc_dp_head, &sfc_ef10_essb_rx.dp);
2097 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
2098 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
2100 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
2101 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
2102 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
2107 sfc_eth_dev_init(struct rte_eth_dev *dev)
2109 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2110 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2111 uint32_t logtype_main;
2112 struct sfc_adapter *sa;
2114 const efx_nic_cfg_t *encp;
2115 const struct rte_ether_addr *from;
2119 logtype_main = sfc_register_logtype(&pci_dev->addr,
2120 SFC_LOGTYPE_MAIN_STR,
2123 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2124 return -sfc_eth_dev_secondary_init(dev, logtype_main);
2126 /* Required for logging */
2127 sas->pci_addr = pci_dev->addr;
2128 sas->port_id = dev->data->port_id;
2131 * Allocate process private data from heap, since it should not
2132 * be located in shared memory allocated using rte_malloc() API.
2134 sa = calloc(1, sizeof(*sa));
2140 dev->process_private = sa;
2142 /* Required for logging */
2143 sa->priv.shared = sas;
2144 sa->priv.logtype_main = logtype_main;
2148 /* Copy PCI device info to the dev->data */
2149 rte_eth_copy_pci_info(dev, pci_dev);
2151 rc = sfc_kvargs_parse(sa);
2153 goto fail_kvargs_parse;
2155 sfc_log_init(sa, "entry");
2157 dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
2159 dev->data->mac_addrs = rte_zmalloc("sfc", RTE_ETHER_ADDR_LEN, 0);
2160 if (dev->data->mac_addrs == NULL) {
2162 goto fail_mac_addrs;
2165 sfc_adapter_lock_init(sa);
2166 sfc_adapter_lock(sa);
2168 sfc_log_init(sa, "probing");
2173 sfc_log_init(sa, "set device ops");
2174 rc = sfc_eth_dev_set_ops(dev);
2178 sfc_log_init(sa, "attaching");
2179 rc = sfc_attach(sa);
2183 encp = efx_nic_cfg_get(sa->nic);
2186 * The arguments are really reverse order in comparison to
2187 * Linux kernel. Copy from NIC config to Ethernet device data.
2189 from = (const struct rte_ether_addr *)(encp->enc_mac_addr);
2190 rte_ether_addr_copy(from, &dev->data->mac_addrs[0]);
2192 sfc_adapter_unlock(sa);
2194 sfc_log_init(sa, "done");
2198 sfc_eth_dev_clear_ops(dev);
2204 sfc_adapter_unlock(sa);
2205 sfc_adapter_lock_fini(sa);
2206 rte_free(dev->data->mac_addrs);
2207 dev->data->mac_addrs = NULL;
2210 sfc_kvargs_cleanup(sa);
2213 sfc_log_init(sa, "failed %d", rc);
2214 dev->process_private = NULL;
2223 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
2225 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2226 sfc_eth_dev_secondary_clear_ops(dev);
2235 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2236 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2237 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2238 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2239 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2240 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2241 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2242 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) },
2243 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) },
2244 { .vendor_id = 0 /* sentinel */ }
2247 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2248 struct rte_pci_device *pci_dev)
2250 return rte_eth_dev_pci_generic_probe(pci_dev,
2251 sizeof(struct sfc_adapter_shared), sfc_eth_dev_init);
2254 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2256 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2259 static struct rte_pci_driver sfc_efx_pmd = {
2260 .id_table = pci_id_sfc_efx_map,
2262 RTE_PCI_DRV_INTR_LSC |
2263 RTE_PCI_DRV_NEED_MAPPING,
2264 .probe = sfc_eth_dev_pci_probe,
2265 .remove = sfc_eth_dev_pci_remove,
2268 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2269 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2270 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2271 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2272 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2273 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2274 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2275 SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " "
2276 SFC_KVARG_RXD_WAIT_TIMEOUT_NS "=<long> "
2277 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>");
2279 RTE_INIT(sfc_driver_register_logtype)
2283 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver",
2285 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret;