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_info(sa, "Link status is %s",
263 current_link.link_status ? "UP" : "DOWN");
268 sfc_dev_stop(struct rte_eth_dev *dev)
270 struct sfc_adapter *sa = dev->data->dev_private;
272 sfc_log_init(sa, "entry");
274 sfc_adapter_lock(sa);
276 sfc_adapter_unlock(sa);
278 sfc_log_init(sa, "done");
282 sfc_dev_set_link_up(struct rte_eth_dev *dev)
284 struct sfc_adapter *sa = dev->data->dev_private;
287 sfc_log_init(sa, "entry");
289 sfc_adapter_lock(sa);
291 sfc_adapter_unlock(sa);
298 sfc_dev_set_link_down(struct rte_eth_dev *dev)
300 struct sfc_adapter *sa = dev->data->dev_private;
302 sfc_log_init(sa, "entry");
304 sfc_adapter_lock(sa);
306 sfc_adapter_unlock(sa);
312 sfc_dev_close(struct rte_eth_dev *dev)
314 struct sfc_adapter *sa = dev->data->dev_private;
316 sfc_log_init(sa, "entry");
318 sfc_adapter_lock(sa);
320 case SFC_ADAPTER_STARTED:
322 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
324 case SFC_ADAPTER_CONFIGURED:
326 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
328 case SFC_ADAPTER_INITIALIZED:
331 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
334 sfc_adapter_unlock(sa);
336 sfc_log_init(sa, "done");
340 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
343 struct sfc_port *port;
345 struct sfc_adapter *sa = dev->data->dev_private;
346 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
347 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
349 sfc_adapter_lock(sa);
352 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
354 if (*toggle != enabled) {
357 if (port->isolated) {
358 sfc_warn(sa, "isolated mode is active on the port");
359 sfc_warn(sa, "the change is to be applied on the next "
360 "start provided that isolated mode is "
361 "disabled prior the next start");
362 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
363 (sfc_set_rx_mode(sa) != 0)) {
364 *toggle = !(enabled);
365 sfc_warn(sa, "Failed to %s %s mode",
366 ((enabled) ? "enable" : "disable"), desc);
370 sfc_adapter_unlock(sa);
374 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
376 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
380 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
382 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
386 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
388 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
392 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
394 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
398 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
399 uint16_t nb_rx_desc, unsigned int socket_id,
400 const struct rte_eth_rxconf *rx_conf,
401 struct rte_mempool *mb_pool)
403 struct sfc_adapter *sa = dev->data->dev_private;
406 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
407 rx_queue_id, nb_rx_desc, socket_id);
409 sfc_adapter_lock(sa);
411 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
416 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
418 sfc_adapter_unlock(sa);
423 sfc_adapter_unlock(sa);
429 sfc_rx_queue_release(void *queue)
431 struct sfc_dp_rxq *dp_rxq = queue;
433 struct sfc_adapter *sa;
434 unsigned int sw_index;
439 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
441 sfc_adapter_lock(sa);
443 sw_index = sfc_rxq_sw_index(rxq);
445 sfc_log_init(sa, "RxQ=%u", sw_index);
447 sa->eth_dev->data->rx_queues[sw_index] = NULL;
449 sfc_rx_qfini(sa, sw_index);
451 sfc_adapter_unlock(sa);
455 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
456 uint16_t nb_tx_desc, unsigned int socket_id,
457 const struct rte_eth_txconf *tx_conf)
459 struct sfc_adapter *sa = dev->data->dev_private;
462 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
463 tx_queue_id, nb_tx_desc, socket_id);
465 sfc_adapter_lock(sa);
467 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
471 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
473 sfc_adapter_unlock(sa);
477 sfc_adapter_unlock(sa);
483 sfc_tx_queue_release(void *queue)
485 struct sfc_dp_txq *dp_txq = queue;
487 unsigned int sw_index;
488 struct sfc_adapter *sa;
493 txq = sfc_txq_by_dp_txq(dp_txq);
494 sw_index = sfc_txq_sw_index(txq);
496 SFC_ASSERT(txq->evq != NULL);
499 sfc_log_init(sa, "TxQ = %u", sw_index);
501 sfc_adapter_lock(sa);
503 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
504 sa->eth_dev->data->tx_queues[sw_index] = NULL;
506 sfc_tx_qfini(sa, sw_index);
508 sfc_adapter_unlock(sa);
512 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
514 struct sfc_adapter *sa = dev->data->dev_private;
515 struct sfc_port *port = &sa->port;
519 rte_spinlock_lock(&port->mac_stats_lock);
521 ret = sfc_port_update_mac_stats(sa);
525 mac_stats = port->mac_stats_buf;
527 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
528 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
530 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
531 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
532 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
534 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
535 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
536 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
538 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
539 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
540 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
542 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
543 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
544 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
545 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
546 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
547 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
549 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
550 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
551 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
552 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
554 * Take into account stats which are whenever supported
555 * on EF10. If some stat is not supported by current
556 * firmware variant or HW revision, it is guaranteed
557 * to be zero in mac_stats.
560 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
561 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
562 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
563 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
564 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
565 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
566 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
567 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
568 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
569 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
571 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
572 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
573 mac_stats[EFX_MAC_RX_JABBER_PKTS];
574 /* no oerrors counters supported on EF10 */
578 rte_spinlock_unlock(&port->mac_stats_lock);
579 SFC_ASSERT(ret >= 0);
584 sfc_stats_reset(struct rte_eth_dev *dev)
586 struct sfc_adapter *sa = dev->data->dev_private;
587 struct sfc_port *port = &sa->port;
590 if (sa->state != SFC_ADAPTER_STARTED) {
592 * The operation cannot be done if port is not started; it
593 * will be scheduled to be done during the next port start
595 port->mac_stats_reset_pending = B_TRUE;
599 rc = sfc_port_reset_mac_stats(sa);
601 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
605 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
606 unsigned int xstats_count)
608 struct sfc_adapter *sa = dev->data->dev_private;
609 struct sfc_port *port = &sa->port;
615 rte_spinlock_lock(&port->mac_stats_lock);
617 rc = sfc_port_update_mac_stats(sa);
624 mac_stats = port->mac_stats_buf;
626 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
627 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
628 if (xstats != NULL && nstats < (int)xstats_count) {
629 xstats[nstats].id = nstats;
630 xstats[nstats].value = mac_stats[i];
637 rte_spinlock_unlock(&port->mac_stats_lock);
643 sfc_xstats_get_names(struct rte_eth_dev *dev,
644 struct rte_eth_xstat_name *xstats_names,
645 unsigned int xstats_count)
647 struct sfc_adapter *sa = dev->data->dev_private;
648 struct sfc_port *port = &sa->port;
650 unsigned int nstats = 0;
652 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
653 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
654 if (xstats_names != NULL && nstats < xstats_count)
655 strncpy(xstats_names[nstats].name,
656 efx_mac_stat_name(sa->nic, i),
657 sizeof(xstats_names[0].name));
666 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
667 uint64_t *values, unsigned int n)
669 struct sfc_adapter *sa = dev->data->dev_private;
670 struct sfc_port *port = &sa->port;
672 unsigned int nb_supported = 0;
673 unsigned int nb_written = 0;
678 if (unlikely(values == NULL) ||
679 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
680 return port->mac_stats_nb_supported;
682 rte_spinlock_lock(&port->mac_stats_lock);
684 rc = sfc_port_update_mac_stats(sa);
691 mac_stats = port->mac_stats_buf;
693 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
694 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
697 if ((ids == NULL) || (ids[nb_written] == nb_supported))
698 values[nb_written++] = mac_stats[i];
706 rte_spinlock_unlock(&port->mac_stats_lock);
712 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
713 struct rte_eth_xstat_name *xstats_names,
714 const uint64_t *ids, unsigned int size)
716 struct sfc_adapter *sa = dev->data->dev_private;
717 struct sfc_port *port = &sa->port;
718 unsigned int nb_supported = 0;
719 unsigned int nb_written = 0;
722 if (unlikely(xstats_names == NULL) ||
723 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
724 return port->mac_stats_nb_supported;
726 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
727 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
730 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
731 char *name = xstats_names[nb_written++].name;
733 strncpy(name, efx_mac_stat_name(sa->nic, i),
734 sizeof(xstats_names[0].name));
735 name[sizeof(xstats_names[0].name) - 1] = '\0';
745 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
747 struct sfc_adapter *sa = dev->data->dev_private;
748 unsigned int wanted_fc, link_fc;
750 memset(fc_conf, 0, sizeof(*fc_conf));
752 sfc_adapter_lock(sa);
754 if (sa->state == SFC_ADAPTER_STARTED)
755 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
757 link_fc = sa->port.flow_ctrl;
761 fc_conf->mode = RTE_FC_NONE;
763 case EFX_FCNTL_RESPOND:
764 fc_conf->mode = RTE_FC_RX_PAUSE;
766 case EFX_FCNTL_GENERATE:
767 fc_conf->mode = RTE_FC_TX_PAUSE;
769 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
770 fc_conf->mode = RTE_FC_FULL;
773 sfc_err(sa, "%s: unexpected flow control value %#x",
777 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
779 sfc_adapter_unlock(sa);
785 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
787 struct sfc_adapter *sa = dev->data->dev_private;
788 struct sfc_port *port = &sa->port;
792 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
793 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
794 fc_conf->mac_ctrl_frame_fwd != 0) {
795 sfc_err(sa, "unsupported flow control settings specified");
800 switch (fc_conf->mode) {
804 case RTE_FC_RX_PAUSE:
805 fcntl = EFX_FCNTL_RESPOND;
807 case RTE_FC_TX_PAUSE:
808 fcntl = EFX_FCNTL_GENERATE;
811 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
818 sfc_adapter_lock(sa);
820 if (sa->state == SFC_ADAPTER_STARTED) {
821 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
823 goto fail_mac_fcntl_set;
826 port->flow_ctrl = fcntl;
827 port->flow_ctrl_autoneg = fc_conf->autoneg;
829 sfc_adapter_unlock(sa);
834 sfc_adapter_unlock(sa);
841 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
843 struct sfc_adapter *sa = dev->data->dev_private;
844 size_t pdu = EFX_MAC_PDU(mtu);
848 sfc_log_init(sa, "mtu=%u", mtu);
851 if (pdu < EFX_MAC_PDU_MIN) {
852 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
853 (unsigned int)mtu, (unsigned int)pdu,
857 if (pdu > EFX_MAC_PDU_MAX) {
858 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
859 (unsigned int)mtu, (unsigned int)pdu,
864 sfc_adapter_lock(sa);
866 if (pdu != sa->port.pdu) {
867 if (sa->state == SFC_ADAPTER_STARTED) {
870 old_pdu = sa->port.pdu;
881 * The driver does not use it, but other PMDs update jumbo_frame
882 * flag and max_rx_pkt_len when MTU is set.
884 if (mtu > ETHER_MAX_LEN) {
885 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
887 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
888 rxmode->jumbo_frame = 1;
891 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
893 sfc_adapter_unlock(sa);
895 sfc_log_init(sa, "done");
899 sa->port.pdu = old_pdu;
900 if (sfc_start(sa) != 0)
901 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
902 "PDU max size - port is stopped",
903 (unsigned int)pdu, (unsigned int)old_pdu);
904 sfc_adapter_unlock(sa);
907 sfc_log_init(sa, "failed %d", rc);
912 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
914 struct sfc_adapter *sa = dev->data->dev_private;
915 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
916 struct sfc_port *port = &sa->port;
919 sfc_adapter_lock(sa);
922 * Copy the address to the device private data so that
923 * it could be recalled in the case of adapter restart.
925 ether_addr_copy(mac_addr, &port->default_mac_addr);
927 if (port->isolated) {
928 sfc_err(sa, "isolated mode is active on the port");
929 sfc_err(sa, "will not set MAC address");
933 if (sa->state != SFC_ADAPTER_STARTED) {
934 sfc_info(sa, "the port is not started");
935 sfc_info(sa, "the new MAC address will be set on port start");
940 if (encp->enc_allow_set_mac_with_installed_filters) {
941 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
943 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
948 * Changing the MAC address by means of MCDI request
949 * has no effect on received traffic, therefore
950 * we also need to update unicast filters
952 rc = sfc_set_rx_mode(sa);
954 sfc_err(sa, "cannot set filter (rc = %u)", rc);
956 sfc_warn(sa, "cannot set MAC address with filters installed");
957 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
958 sfc_warn(sa, "(some traffic may be dropped)");
961 * Since setting MAC address with filters installed is not
962 * allowed on the adapter, the new MAC address will be set
963 * by means of adapter restart. sfc_start() shall retrieve
964 * the new address from the device private data and set it.
969 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
974 * In the case of failure sa->port->default_mac_addr does not
975 * need rollback since no error code is returned, and the upper
976 * API will anyway update the external MAC address storage.
977 * To be consistent with that new value it is better to keep
978 * the device private value the same.
980 sfc_adapter_unlock(sa);
985 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
988 struct sfc_adapter *sa = dev->data->dev_private;
989 struct sfc_port *port = &sa->port;
990 uint8_t *mc_addrs = port->mcast_addrs;
994 if (port->isolated) {
995 sfc_err(sa, "isolated mode is active on the port");
996 sfc_err(sa, "will not set multicast address list");
1000 if (mc_addrs == NULL)
1003 if (nb_mc_addr > port->max_mcast_addrs) {
1004 sfc_err(sa, "too many multicast addresses: %u > %u",
1005 nb_mc_addr, port->max_mcast_addrs);
1009 for (i = 0; i < nb_mc_addr; ++i) {
1010 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1012 mc_addrs += EFX_MAC_ADDR_LEN;
1015 port->nb_mcast_addrs = nb_mc_addr;
1017 if (sa->state != SFC_ADAPTER_STARTED)
1020 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1021 port->nb_mcast_addrs);
1023 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1030 * The function is used by the secondary process as well. It must not
1031 * use any process-local pointers from the adapter data.
1034 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1035 struct rte_eth_rxq_info *qinfo)
1037 struct sfc_adapter *sa = dev->data->dev_private;
1038 struct sfc_rxq_info *rxq_info;
1039 struct sfc_rxq *rxq;
1041 sfc_adapter_lock(sa);
1043 SFC_ASSERT(rx_queue_id < sa->rxq_count);
1045 rxq_info = &sa->rxq_info[rx_queue_id];
1046 rxq = rxq_info->rxq;
1047 SFC_ASSERT(rxq != NULL);
1049 qinfo->mp = rxq->refill_mb_pool;
1050 qinfo->conf.rx_free_thresh = rxq->refill_threshold;
1051 qinfo->conf.rx_drop_en = 1;
1052 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1053 qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM |
1054 DEV_RX_OFFLOAD_UDP_CKSUM |
1055 DEV_RX_OFFLOAD_TCP_CKSUM;
1056 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1057 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1058 qinfo->scattered_rx = 1;
1060 qinfo->nb_desc = rxq_info->entries;
1062 sfc_adapter_unlock(sa);
1066 * The function is used by the secondary process as well. It must not
1067 * use any process-local pointers from the adapter data.
1070 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1071 struct rte_eth_txq_info *qinfo)
1073 struct sfc_adapter *sa = dev->data->dev_private;
1074 struct sfc_txq_info *txq_info;
1076 sfc_adapter_lock(sa);
1078 SFC_ASSERT(tx_queue_id < sa->txq_count);
1080 txq_info = &sa->txq_info[tx_queue_id];
1081 SFC_ASSERT(txq_info->txq != NULL);
1083 memset(qinfo, 0, sizeof(*qinfo));
1085 qinfo->conf.txq_flags = txq_info->txq->flags;
1086 qinfo->conf.offloads = txq_info->txq->offloads;
1087 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
1088 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1089 qinfo->nb_desc = txq_info->entries;
1091 sfc_adapter_unlock(sa);
1095 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1097 struct sfc_adapter *sa = dev->data->dev_private;
1099 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1101 return sfc_rx_qdesc_npending(sa, rx_queue_id);
1105 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1107 struct sfc_dp_rxq *dp_rxq = queue;
1109 return sfc_rx_qdesc_done(dp_rxq, offset);
1113 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1115 struct sfc_dp_rxq *dp_rxq = queue;
1116 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
1118 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset);
1122 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1124 struct sfc_dp_txq *dp_txq = queue;
1125 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq);
1127 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset);
1131 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1133 struct sfc_adapter *sa = dev->data->dev_private;
1136 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1138 sfc_adapter_lock(sa);
1141 if (sa->state != SFC_ADAPTER_STARTED)
1142 goto fail_not_started;
1144 rc = sfc_rx_qstart(sa, rx_queue_id);
1146 goto fail_rx_qstart;
1148 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
1150 sfc_adapter_unlock(sa);
1156 sfc_adapter_unlock(sa);
1162 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1164 struct sfc_adapter *sa = dev->data->dev_private;
1166 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1168 sfc_adapter_lock(sa);
1169 sfc_rx_qstop(sa, rx_queue_id);
1171 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
1173 sfc_adapter_unlock(sa);
1179 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1181 struct sfc_adapter *sa = dev->data->dev_private;
1184 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1186 sfc_adapter_lock(sa);
1189 if (sa->state != SFC_ADAPTER_STARTED)
1190 goto fail_not_started;
1192 rc = sfc_tx_qstart(sa, tx_queue_id);
1194 goto fail_tx_qstart;
1196 sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
1198 sfc_adapter_unlock(sa);
1204 sfc_adapter_unlock(sa);
1210 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1212 struct sfc_adapter *sa = dev->data->dev_private;
1214 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1216 sfc_adapter_lock(sa);
1218 sfc_tx_qstop(sa, tx_queue_id);
1220 sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
1222 sfc_adapter_unlock(sa);
1226 static efx_tunnel_protocol_t
1227 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1230 case RTE_TUNNEL_TYPE_VXLAN:
1231 return EFX_TUNNEL_PROTOCOL_VXLAN;
1232 case RTE_TUNNEL_TYPE_GENEVE:
1233 return EFX_TUNNEL_PROTOCOL_GENEVE;
1235 return EFX_TUNNEL_NPROTOS;
1239 enum sfc_udp_tunnel_op_e {
1240 SFC_UDP_TUNNEL_ADD_PORT,
1241 SFC_UDP_TUNNEL_DEL_PORT,
1245 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1246 struct rte_eth_udp_tunnel *tunnel_udp,
1247 enum sfc_udp_tunnel_op_e op)
1249 struct sfc_adapter *sa = dev->data->dev_private;
1250 efx_tunnel_protocol_t tunnel_proto;
1253 sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1254 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1255 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1256 tunnel_udp->udp_port, tunnel_udp->prot_type);
1259 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1260 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1262 goto fail_bad_proto;
1265 sfc_adapter_lock(sa);
1268 case SFC_UDP_TUNNEL_ADD_PORT:
1269 rc = efx_tunnel_config_udp_add(sa->nic,
1270 tunnel_udp->udp_port,
1273 case SFC_UDP_TUNNEL_DEL_PORT:
1274 rc = efx_tunnel_config_udp_remove(sa->nic,
1275 tunnel_udp->udp_port,
1286 if (sa->state == SFC_ADAPTER_STARTED) {
1287 rc = efx_tunnel_reconfigure(sa->nic);
1290 * Configuration is accepted by FW and MC reboot
1291 * is initiated to apply the changes. MC reboot
1292 * will be handled in a usual way (MC reboot
1293 * event on management event queue and adapter
1297 } else if (rc != 0) {
1298 goto fail_reconfigure;
1302 sfc_adapter_unlock(sa);
1306 /* Remove/restore entry since the change makes the trouble */
1308 case SFC_UDP_TUNNEL_ADD_PORT:
1309 (void)efx_tunnel_config_udp_remove(sa->nic,
1310 tunnel_udp->udp_port,
1313 case SFC_UDP_TUNNEL_DEL_PORT:
1314 (void)efx_tunnel_config_udp_add(sa->nic,
1315 tunnel_udp->udp_port,
1322 sfc_adapter_unlock(sa);
1330 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1331 struct rte_eth_udp_tunnel *tunnel_udp)
1333 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1337 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1338 struct rte_eth_udp_tunnel *tunnel_udp)
1340 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1343 #if EFSYS_OPT_RX_SCALE
1345 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1346 struct rte_eth_rss_conf *rss_conf)
1348 struct sfc_adapter *sa = dev->data->dev_private;
1349 struct sfc_port *port = &sa->port;
1351 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1354 if (sa->rss_channels == 0)
1357 sfc_adapter_lock(sa);
1360 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1361 * hence, conversion is done here to derive a correct set of ETH_RSS
1362 * flags which corresponds to the active EFX configuration stored
1363 * locally in 'sfc_adapter' and kept up-to-date
1365 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
1366 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1367 if (rss_conf->rss_key != NULL)
1368 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE);
1370 sfc_adapter_unlock(sa);
1376 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1377 struct rte_eth_rss_conf *rss_conf)
1379 struct sfc_adapter *sa = dev->data->dev_private;
1380 struct sfc_port *port = &sa->port;
1381 unsigned int efx_hash_types;
1387 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1388 sfc_err(sa, "RSS is not available");
1392 if (sa->rss_channels == 0) {
1393 sfc_err(sa, "RSS is not configured");
1397 if ((rss_conf->rss_key != NULL) &&
1398 (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
1399 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1400 sizeof(sa->rss_key));
1404 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
1405 sfc_err(sa, "unsupported hash functions requested");
1409 sfc_adapter_lock(sa);
1411 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
1413 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1414 EFX_RX_HASHALG_TOEPLITZ,
1415 efx_hash_types, B_TRUE);
1417 goto fail_scale_mode_set;
1419 if (rss_conf->rss_key != NULL) {
1420 if (sa->state == SFC_ADAPTER_STARTED) {
1421 rc = efx_rx_scale_key_set(sa->nic,
1422 EFX_RSS_CONTEXT_DEFAULT,
1424 sizeof(sa->rss_key));
1426 goto fail_scale_key_set;
1429 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
1432 sa->rss_hash_types = efx_hash_types;
1434 sfc_adapter_unlock(sa);
1439 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1440 EFX_RX_HASHALG_TOEPLITZ,
1441 sa->rss_hash_types, B_TRUE) != 0)
1442 sfc_err(sa, "failed to restore RSS mode");
1444 fail_scale_mode_set:
1445 sfc_adapter_unlock(sa);
1450 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1451 struct rte_eth_rss_reta_entry64 *reta_conf,
1454 struct sfc_adapter *sa = dev->data->dev_private;
1455 struct sfc_port *port = &sa->port;
1458 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1461 if (sa->rss_channels == 0)
1464 if (reta_size != EFX_RSS_TBL_SIZE)
1467 sfc_adapter_lock(sa);
1469 for (entry = 0; entry < reta_size; entry++) {
1470 int grp = entry / RTE_RETA_GROUP_SIZE;
1471 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1473 if ((reta_conf[grp].mask >> grp_idx) & 1)
1474 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
1477 sfc_adapter_unlock(sa);
1483 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1484 struct rte_eth_rss_reta_entry64 *reta_conf,
1487 struct sfc_adapter *sa = dev->data->dev_private;
1488 struct sfc_port *port = &sa->port;
1489 unsigned int *rss_tbl_new;
1497 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1498 sfc_err(sa, "RSS is not available");
1502 if (sa->rss_channels == 0) {
1503 sfc_err(sa, "RSS is not configured");
1507 if (reta_size != EFX_RSS_TBL_SIZE) {
1508 sfc_err(sa, "RETA size is wrong (should be %u)",
1513 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
1514 if (rss_tbl_new == NULL)
1517 sfc_adapter_lock(sa);
1519 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
1521 for (entry = 0; entry < reta_size; entry++) {
1522 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1523 struct rte_eth_rss_reta_entry64 *grp;
1525 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1527 if (grp->mask & (1ull << grp_idx)) {
1528 if (grp->reta[grp_idx] >= sa->rss_channels) {
1530 goto bad_reta_entry;
1532 rss_tbl_new[entry] = grp->reta[grp_idx];
1536 if (sa->state == SFC_ADAPTER_STARTED) {
1537 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1538 rss_tbl_new, EFX_RSS_TBL_SIZE);
1540 goto fail_scale_tbl_set;
1543 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
1547 sfc_adapter_unlock(sa);
1549 rte_free(rss_tbl_new);
1551 SFC_ASSERT(rc >= 0);
1557 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
1558 enum rte_filter_op filter_op,
1561 struct sfc_adapter *sa = dev->data->dev_private;
1564 sfc_log_init(sa, "entry");
1566 switch (filter_type) {
1567 case RTE_ETH_FILTER_NONE:
1568 sfc_err(sa, "Global filters configuration not supported");
1570 case RTE_ETH_FILTER_MACVLAN:
1571 sfc_err(sa, "MACVLAN filters not supported");
1573 case RTE_ETH_FILTER_ETHERTYPE:
1574 sfc_err(sa, "EtherType filters not supported");
1576 case RTE_ETH_FILTER_FLEXIBLE:
1577 sfc_err(sa, "Flexible filters not supported");
1579 case RTE_ETH_FILTER_SYN:
1580 sfc_err(sa, "SYN filters not supported");
1582 case RTE_ETH_FILTER_NTUPLE:
1583 sfc_err(sa, "NTUPLE filters not supported");
1585 case RTE_ETH_FILTER_TUNNEL:
1586 sfc_err(sa, "Tunnel filters not supported");
1588 case RTE_ETH_FILTER_FDIR:
1589 sfc_err(sa, "Flow Director filters not supported");
1591 case RTE_ETH_FILTER_HASH:
1592 sfc_err(sa, "Hash filters not supported");
1594 case RTE_ETH_FILTER_GENERIC:
1595 if (filter_op != RTE_ETH_FILTER_GET) {
1598 *(const void **)arg = &sfc_flow_ops;
1603 sfc_err(sa, "Unknown filter type %u", filter_type);
1607 sfc_log_init(sa, "exit: %d", -rc);
1608 SFC_ASSERT(rc >= 0);
1612 static const struct eth_dev_ops sfc_eth_dev_ops = {
1613 .dev_configure = sfc_dev_configure,
1614 .dev_start = sfc_dev_start,
1615 .dev_stop = sfc_dev_stop,
1616 .dev_set_link_up = sfc_dev_set_link_up,
1617 .dev_set_link_down = sfc_dev_set_link_down,
1618 .dev_close = sfc_dev_close,
1619 .promiscuous_enable = sfc_dev_promisc_enable,
1620 .promiscuous_disable = sfc_dev_promisc_disable,
1621 .allmulticast_enable = sfc_dev_allmulti_enable,
1622 .allmulticast_disable = sfc_dev_allmulti_disable,
1623 .link_update = sfc_dev_link_update,
1624 .stats_get = sfc_stats_get,
1625 .stats_reset = sfc_stats_reset,
1626 .xstats_get = sfc_xstats_get,
1627 .xstats_reset = sfc_stats_reset,
1628 .xstats_get_names = sfc_xstats_get_names,
1629 .dev_infos_get = sfc_dev_infos_get,
1630 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1631 .mtu_set = sfc_dev_set_mtu,
1632 .rx_queue_start = sfc_rx_queue_start,
1633 .rx_queue_stop = sfc_rx_queue_stop,
1634 .tx_queue_start = sfc_tx_queue_start,
1635 .tx_queue_stop = sfc_tx_queue_stop,
1636 .rx_queue_setup = sfc_rx_queue_setup,
1637 .rx_queue_release = sfc_rx_queue_release,
1638 .rx_queue_count = sfc_rx_queue_count,
1639 .rx_descriptor_done = sfc_rx_descriptor_done,
1640 .rx_descriptor_status = sfc_rx_descriptor_status,
1641 .tx_descriptor_status = sfc_tx_descriptor_status,
1642 .tx_queue_setup = sfc_tx_queue_setup,
1643 .tx_queue_release = sfc_tx_queue_release,
1644 .flow_ctrl_get = sfc_flow_ctrl_get,
1645 .flow_ctrl_set = sfc_flow_ctrl_set,
1646 .mac_addr_set = sfc_mac_addr_set,
1647 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add,
1648 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del,
1649 #if EFSYS_OPT_RX_SCALE
1650 .reta_update = sfc_dev_rss_reta_update,
1651 .reta_query = sfc_dev_rss_reta_query,
1652 .rss_hash_update = sfc_dev_rss_hash_update,
1653 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1655 .filter_ctrl = sfc_dev_filter_ctrl,
1656 .set_mc_addr_list = sfc_set_mc_addr_list,
1657 .rxq_info_get = sfc_rx_queue_info_get,
1658 .txq_info_get = sfc_tx_queue_info_get,
1659 .fw_version_get = sfc_fw_version_get,
1660 .xstats_get_by_id = sfc_xstats_get_by_id,
1661 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1665 * Duplicate a string in potentially shared memory required for
1666 * multi-process support.
1668 * strdup() allocates from process-local heap/memory.
1671 sfc_strdup(const char *str)
1679 size = strlen(str) + 1;
1680 copy = rte_malloc(__func__, size, 0);
1682 rte_memcpy(copy, str, size);
1688 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1690 struct sfc_adapter *sa = dev->data->dev_private;
1691 unsigned int avail_caps = 0;
1692 const char *rx_name = NULL;
1693 const char *tx_name = NULL;
1696 switch (sa->family) {
1697 case EFX_FAMILY_HUNTINGTON:
1698 case EFX_FAMILY_MEDFORD:
1699 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1705 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1706 sfc_kvarg_string_handler, &rx_name);
1708 goto fail_kvarg_rx_datapath;
1710 if (rx_name != NULL) {
1711 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1712 if (sa->dp_rx == NULL) {
1713 sfc_err(sa, "Rx datapath %s not found", rx_name);
1717 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
1719 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1722 goto fail_dp_rx_caps;
1725 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1726 if (sa->dp_rx == NULL) {
1727 sfc_err(sa, "Rx datapath by caps %#x not found",
1734 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name);
1735 if (sa->dp_rx_name == NULL) {
1737 goto fail_dp_rx_name;
1740 sfc_info(sa, "use %s Rx datapath", sa->dp_rx_name);
1742 dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
1744 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1745 sfc_kvarg_string_handler, &tx_name);
1747 goto fail_kvarg_tx_datapath;
1749 if (tx_name != NULL) {
1750 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1751 if (sa->dp_tx == NULL) {
1752 sfc_err(sa, "Tx datapath %s not found", tx_name);
1756 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
1758 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1761 goto fail_dp_tx_caps;
1764 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1765 if (sa->dp_tx == NULL) {
1766 sfc_err(sa, "Tx datapath by caps %#x not found",
1773 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name);
1774 if (sa->dp_tx_name == NULL) {
1776 goto fail_dp_tx_name;
1779 sfc_info(sa, "use %s Tx datapath", sa->dp_tx_name);
1781 dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
1783 dev->dev_ops = &sfc_eth_dev_ops;
1792 fail_kvarg_tx_datapath:
1793 rte_free(sa->dp_rx_name);
1794 sa->dp_rx_name = NULL;
1801 fail_kvarg_rx_datapath:
1806 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
1808 struct sfc_adapter *sa = dev->data->dev_private;
1810 dev->dev_ops = NULL;
1811 dev->rx_pkt_burst = NULL;
1812 dev->tx_pkt_burst = NULL;
1814 rte_free(sa->dp_tx_name);
1815 sa->dp_tx_name = NULL;
1818 rte_free(sa->dp_rx_name);
1819 sa->dp_rx_name = NULL;
1823 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
1824 .rxq_info_get = sfc_rx_queue_info_get,
1825 .txq_info_get = sfc_tx_queue_info_get,
1829 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev)
1832 * Device private data has really many process-local pointers.
1833 * Below code should be extremely careful to use data located
1834 * in shared memory only.
1836 struct sfc_adapter *sa = dev->data->dev_private;
1837 const struct sfc_dp_rx *dp_rx;
1838 const struct sfc_dp_tx *dp_tx;
1841 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name);
1842 if (dp_rx == NULL) {
1843 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name);
1847 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
1848 sfc_err(sa, "%s Rx datapath does not support multi-process",
1851 goto fail_dp_rx_multi_process;
1854 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name);
1855 if (dp_tx == NULL) {
1856 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name);
1860 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
1861 sfc_err(sa, "%s Tx datapath does not support multi-process",
1864 goto fail_dp_tx_multi_process;
1867 dev->rx_pkt_burst = dp_rx->pkt_burst;
1868 dev->tx_pkt_burst = dp_tx->pkt_burst;
1869 dev->dev_ops = &sfc_eth_dev_secondary_ops;
1873 fail_dp_tx_multi_process:
1875 fail_dp_rx_multi_process:
1881 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
1883 dev->dev_ops = NULL;
1884 dev->tx_pkt_burst = NULL;
1885 dev->rx_pkt_burst = NULL;
1889 sfc_register_dp(void)
1892 if (TAILQ_EMPTY(&sfc_dp_head)) {
1893 /* Prefer EF10 datapath */
1894 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
1895 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
1897 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
1898 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
1899 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
1904 sfc_eth_dev_init(struct rte_eth_dev *dev)
1906 struct sfc_adapter *sa = dev->data->dev_private;
1907 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1909 const efx_nic_cfg_t *encp;
1910 const struct ether_addr *from;
1914 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1915 return -sfc_eth_dev_secondary_set_ops(dev);
1917 /* Required for logging */
1918 sa->pci_addr = pci_dev->addr;
1919 sa->port_id = dev->data->port_id;
1923 /* Copy PCI device info to the dev->data */
1924 rte_eth_copy_pci_info(dev, pci_dev);
1926 sa->logtype_main = sfc_register_logtype(sa, SFC_LOGTYPE_MAIN_STR,
1929 rc = sfc_kvargs_parse(sa);
1931 goto fail_kvargs_parse;
1933 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
1934 sfc_kvarg_bool_handler, &sa->debug_init);
1936 goto fail_kvarg_debug_init;
1938 sfc_log_init(sa, "entry");
1940 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1941 if (dev->data->mac_addrs == NULL) {
1943 goto fail_mac_addrs;
1946 sfc_adapter_lock_init(sa);
1947 sfc_adapter_lock(sa);
1949 sfc_log_init(sa, "probing");
1954 sfc_log_init(sa, "set device ops");
1955 rc = sfc_eth_dev_set_ops(dev);
1959 sfc_log_init(sa, "attaching");
1960 rc = sfc_attach(sa);
1964 encp = efx_nic_cfg_get(sa->nic);
1967 * The arguments are really reverse order in comparison to
1968 * Linux kernel. Copy from NIC config to Ethernet device data.
1970 from = (const struct ether_addr *)(encp->enc_mac_addr);
1971 ether_addr_copy(from, &dev->data->mac_addrs[0]);
1973 sfc_adapter_unlock(sa);
1975 sfc_log_init(sa, "done");
1979 sfc_eth_dev_clear_ops(dev);
1985 sfc_adapter_unlock(sa);
1986 sfc_adapter_lock_fini(sa);
1987 rte_free(dev->data->mac_addrs);
1988 dev->data->mac_addrs = NULL;
1991 fail_kvarg_debug_init:
1992 sfc_kvargs_cleanup(sa);
1995 sfc_log_init(sa, "failed %d", rc);
2001 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
2003 struct sfc_adapter *sa;
2005 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2006 sfc_eth_dev_secondary_clear_ops(dev);
2010 sa = dev->data->dev_private;
2011 sfc_log_init(sa, "entry");
2013 sfc_adapter_lock(sa);
2015 sfc_eth_dev_clear_ops(dev);
2020 rte_free(dev->data->mac_addrs);
2021 dev->data->mac_addrs = NULL;
2023 sfc_kvargs_cleanup(sa);
2025 sfc_adapter_unlock(sa);
2026 sfc_adapter_lock_fini(sa);
2028 sfc_log_init(sa, "done");
2030 /* Required for logging, so cleanup last */
2035 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2036 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2037 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2038 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2039 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2040 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2041 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2042 { .vendor_id = 0 /* sentinel */ }
2045 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2046 struct rte_pci_device *pci_dev)
2048 return rte_eth_dev_pci_generic_probe(pci_dev,
2049 sizeof(struct sfc_adapter), sfc_eth_dev_init);
2052 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2054 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2057 static struct rte_pci_driver sfc_efx_pmd = {
2058 .id_table = pci_id_sfc_efx_map,
2060 RTE_PCI_DRV_INTR_LSC |
2061 RTE_PCI_DRV_NEED_MAPPING,
2062 .probe = sfc_eth_dev_pci_probe,
2063 .remove = sfc_eth_dev_pci_remove,
2066 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2067 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2068 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2069 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2070 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2071 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2072 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2073 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> "
2074 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
2075 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);
2077 RTE_INIT(sfc_driver_register_logtype);
2079 sfc_driver_register_logtype(void)
2083 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver",
2085 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret;