1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright (c) 2016-2018 Solarflare Communications Inc.
6 * This software was jointly developed between OKTET Labs (under contract
7 * for Solarflare) and Solarflare Communications, Inc.
11 #include <rte_ethdev_driver.h>
12 #include <rte_ethdev_pci.h>
14 #include <rte_bus_pci.h>
15 #include <rte_errno.h>
20 #include "sfc_debug.h"
22 #include "sfc_kvargs.h"
28 #include "sfc_dp_rx.h"
30 static struct sfc_dp_list sfc_dp_head =
31 TAILQ_HEAD_INITIALIZER(sfc_dp_head);
34 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
36 struct sfc_adapter *sa = dev->data->dev_private;
37 efx_nic_fw_info_t enfi;
42 * Return value of the callback is likely supposed to be
43 * equal to or greater than 0, nevertheless, if an error
44 * occurs, it will be desirable to pass it to the caller
46 if ((fw_version == NULL) || (fw_size == 0))
49 rc = efx_nic_get_fw_version(sa->nic, &enfi);
53 ret = snprintf(fw_version, fw_size,
54 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
55 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
56 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
60 if (enfi.enfi_dpcpu_fw_ids_valid) {
61 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
64 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
65 fw_size - dpcpu_fw_ids_offset,
66 " rx%" PRIx16 " tx%" PRIx16,
67 enfi.enfi_rx_dpcpu_fw_id,
68 enfi.enfi_tx_dpcpu_fw_id);
75 if (fw_size < (size_t)(++ret))
82 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
84 struct sfc_adapter *sa = dev->data->dev_private;
85 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
86 uint64_t txq_offloads_def = 0;
88 sfc_log_init(sa, "entry");
90 dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
91 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
93 /* Autonegotiation may be disabled */
94 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
95 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
96 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
97 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
98 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
99 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
100 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
102 dev_info->max_rx_queues = sa->rxq_max;
103 dev_info->max_tx_queues = sa->txq_max;
105 /* By default packets are dropped if no descriptors are available */
106 dev_info->default_rxconf.rx_drop_en = 1;
108 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa);
111 * rx_offload_capa includes both device and queue offloads since
112 * the latter may be requested on a per device basis which makes
113 * sense when some offloads are needed to be set on all queues.
115 dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) |
116 dev_info->rx_queue_offload_capa;
118 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa);
121 * tx_offload_capa includes both device and queue offloads since
122 * the latter may be requested on a per device basis which makes
123 * sense when some offloads are needed to be set on all queues.
125 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) |
126 dev_info->tx_queue_offload_capa;
128 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
129 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
131 dev_info->default_txconf.offloads |= txq_offloads_def;
133 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
134 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
135 !encp->enc_hw_tx_insert_vlan_enabled)
136 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
138 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
139 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
141 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL)
142 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP;
144 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT)
145 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT;
147 #if EFSYS_OPT_RX_SCALE
148 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
149 dev_info->reta_size = EFX_RSS_TBL_SIZE;
150 dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
151 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
155 /* Initialize to hardware limits */
156 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
157 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
158 /* The RXQ hardware requires that the descriptor count is a power
159 * of 2, but rx_desc_lim cannot properly describe that constraint.
161 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
163 /* Initialize to hardware limits */
164 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
165 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
167 * The TXQ hardware requires that the descriptor count is a power
168 * of 2, but tx_desc_lim cannot properly describe that constraint
170 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
172 if (sa->dp_rx->get_dev_info != NULL)
173 sa->dp_rx->get_dev_info(dev_info);
174 if (sa->dp_tx->get_dev_info != NULL)
175 sa->dp_tx->get_dev_info(dev_info);
178 static const uint32_t *
179 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
181 struct sfc_adapter *sa = dev->data->dev_private;
182 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
183 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported;
185 return sa->dp_rx->supported_ptypes_get(tunnel_encaps);
189 sfc_dev_configure(struct rte_eth_dev *dev)
191 struct rte_eth_dev_data *dev_data = dev->data;
192 struct sfc_adapter *sa = dev_data->dev_private;
195 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
196 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
198 sfc_adapter_lock(sa);
200 case SFC_ADAPTER_CONFIGURED:
202 case SFC_ADAPTER_INITIALIZED:
203 rc = sfc_configure(sa);
206 sfc_err(sa, "unexpected adapter state %u to configure",
211 sfc_adapter_unlock(sa);
213 sfc_log_init(sa, "done %d", rc);
219 sfc_dev_start(struct rte_eth_dev *dev)
221 struct sfc_adapter *sa = dev->data->dev_private;
224 sfc_log_init(sa, "entry");
226 sfc_adapter_lock(sa);
228 sfc_adapter_unlock(sa);
230 sfc_log_init(sa, "done %d", rc);
236 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
238 struct sfc_adapter *sa = dev->data->dev_private;
239 struct rte_eth_link current_link;
242 sfc_log_init(sa, "entry");
244 if (sa->state != SFC_ADAPTER_STARTED) {
245 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
246 } else if (wait_to_complete) {
247 efx_link_mode_t link_mode;
249 if (efx_port_poll(sa->nic, &link_mode) != 0)
250 link_mode = EFX_LINK_UNKNOWN;
251 sfc_port_link_mode_to_info(link_mode, ¤t_link);
254 sfc_ev_mgmt_qpoll(sa);
255 rte_eth_linkstatus_get(dev, ¤t_link);
258 ret = rte_eth_linkstatus_set(dev, ¤t_link);
260 sfc_info(sa, "Link status is %s",
261 current_link.link_status ? "UP" : "DOWN");
266 sfc_dev_stop(struct rte_eth_dev *dev)
268 struct sfc_adapter *sa = dev->data->dev_private;
270 sfc_log_init(sa, "entry");
272 sfc_adapter_lock(sa);
274 sfc_adapter_unlock(sa);
276 sfc_log_init(sa, "done");
280 sfc_dev_set_link_up(struct rte_eth_dev *dev)
282 struct sfc_adapter *sa = dev->data->dev_private;
285 sfc_log_init(sa, "entry");
287 sfc_adapter_lock(sa);
289 sfc_adapter_unlock(sa);
296 sfc_dev_set_link_down(struct rte_eth_dev *dev)
298 struct sfc_adapter *sa = dev->data->dev_private;
300 sfc_log_init(sa, "entry");
302 sfc_adapter_lock(sa);
304 sfc_adapter_unlock(sa);
310 sfc_dev_close(struct rte_eth_dev *dev)
312 struct sfc_adapter *sa = dev->data->dev_private;
314 sfc_log_init(sa, "entry");
316 sfc_adapter_lock(sa);
318 case SFC_ADAPTER_STARTED:
320 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
322 case SFC_ADAPTER_CONFIGURED:
324 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
326 case SFC_ADAPTER_INITIALIZED:
329 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
332 sfc_adapter_unlock(sa);
334 sfc_log_init(sa, "done");
338 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
341 struct sfc_port *port;
343 struct sfc_adapter *sa = dev->data->dev_private;
344 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
345 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
347 sfc_adapter_lock(sa);
350 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
352 if (*toggle != enabled) {
355 if (port->isolated) {
356 sfc_warn(sa, "isolated mode is active on the port");
357 sfc_warn(sa, "the change is to be applied on the next "
358 "start provided that isolated mode is "
359 "disabled prior the next start");
360 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
361 (sfc_set_rx_mode(sa) != 0)) {
362 *toggle = !(enabled);
363 sfc_warn(sa, "Failed to %s %s mode",
364 ((enabled) ? "enable" : "disable"), desc);
368 sfc_adapter_unlock(sa);
372 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
374 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
378 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
380 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
384 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
386 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
390 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
392 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
396 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
397 uint16_t nb_rx_desc, unsigned int socket_id,
398 const struct rte_eth_rxconf *rx_conf,
399 struct rte_mempool *mb_pool)
401 struct sfc_adapter *sa = dev->data->dev_private;
404 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
405 rx_queue_id, nb_rx_desc, socket_id);
407 sfc_adapter_lock(sa);
409 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
414 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
416 sfc_adapter_unlock(sa);
421 sfc_adapter_unlock(sa);
427 sfc_rx_queue_release(void *queue)
429 struct sfc_dp_rxq *dp_rxq = queue;
431 struct sfc_adapter *sa;
432 unsigned int sw_index;
437 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
439 sfc_adapter_lock(sa);
441 sw_index = sfc_rxq_sw_index(rxq);
443 sfc_log_init(sa, "RxQ=%u", sw_index);
445 sa->eth_dev->data->rx_queues[sw_index] = NULL;
447 sfc_rx_qfini(sa, sw_index);
449 sfc_adapter_unlock(sa);
453 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
454 uint16_t nb_tx_desc, unsigned int socket_id,
455 const struct rte_eth_txconf *tx_conf)
457 struct sfc_adapter *sa = dev->data->dev_private;
460 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
461 tx_queue_id, nb_tx_desc, socket_id);
463 sfc_adapter_lock(sa);
465 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
469 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
471 sfc_adapter_unlock(sa);
475 sfc_adapter_unlock(sa);
481 sfc_tx_queue_release(void *queue)
483 struct sfc_dp_txq *dp_txq = queue;
485 unsigned int sw_index;
486 struct sfc_adapter *sa;
491 txq = sfc_txq_by_dp_txq(dp_txq);
492 sw_index = sfc_txq_sw_index(txq);
494 SFC_ASSERT(txq->evq != NULL);
497 sfc_log_init(sa, "TxQ = %u", sw_index);
499 sfc_adapter_lock(sa);
501 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
502 sa->eth_dev->data->tx_queues[sw_index] = NULL;
504 sfc_tx_qfini(sa, sw_index);
506 sfc_adapter_unlock(sa);
510 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
512 struct sfc_adapter *sa = dev->data->dev_private;
513 struct sfc_port *port = &sa->port;
517 rte_spinlock_lock(&port->mac_stats_lock);
519 ret = sfc_port_update_mac_stats(sa);
523 mac_stats = port->mac_stats_buf;
525 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
526 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
528 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
529 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
530 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
532 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
533 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
534 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
536 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
537 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
538 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
540 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
541 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
542 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
543 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
544 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
545 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
547 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
548 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
549 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
550 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
552 * Take into account stats which are whenever supported
553 * on EF10. If some stat is not supported by current
554 * firmware variant or HW revision, it is guaranteed
555 * to be zero in mac_stats.
558 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
559 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
560 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
561 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
562 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
563 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
564 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
565 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
566 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
567 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
569 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
570 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
571 mac_stats[EFX_MAC_RX_JABBER_PKTS];
572 /* no oerrors counters supported on EF10 */
576 rte_spinlock_unlock(&port->mac_stats_lock);
577 SFC_ASSERT(ret >= 0);
582 sfc_stats_reset(struct rte_eth_dev *dev)
584 struct sfc_adapter *sa = dev->data->dev_private;
585 struct sfc_port *port = &sa->port;
588 if (sa->state != SFC_ADAPTER_STARTED) {
590 * The operation cannot be done if port is not started; it
591 * will be scheduled to be done during the next port start
593 port->mac_stats_reset_pending = B_TRUE;
597 rc = sfc_port_reset_mac_stats(sa);
599 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
603 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
604 unsigned int xstats_count)
606 struct sfc_adapter *sa = dev->data->dev_private;
607 struct sfc_port *port = &sa->port;
613 rte_spinlock_lock(&port->mac_stats_lock);
615 rc = sfc_port_update_mac_stats(sa);
622 mac_stats = port->mac_stats_buf;
624 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
625 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
626 if (xstats != NULL && nstats < (int)xstats_count) {
627 xstats[nstats].id = nstats;
628 xstats[nstats].value = mac_stats[i];
635 rte_spinlock_unlock(&port->mac_stats_lock);
641 sfc_xstats_get_names(struct rte_eth_dev *dev,
642 struct rte_eth_xstat_name *xstats_names,
643 unsigned int xstats_count)
645 struct sfc_adapter *sa = dev->data->dev_private;
646 struct sfc_port *port = &sa->port;
648 unsigned int nstats = 0;
650 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
651 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
652 if (xstats_names != NULL && nstats < xstats_count)
653 strncpy(xstats_names[nstats].name,
654 efx_mac_stat_name(sa->nic, i),
655 sizeof(xstats_names[0].name));
664 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
665 uint64_t *values, unsigned int n)
667 struct sfc_adapter *sa = dev->data->dev_private;
668 struct sfc_port *port = &sa->port;
670 unsigned int nb_supported = 0;
671 unsigned int nb_written = 0;
676 if (unlikely(values == NULL) ||
677 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
678 return port->mac_stats_nb_supported;
680 rte_spinlock_lock(&port->mac_stats_lock);
682 rc = sfc_port_update_mac_stats(sa);
689 mac_stats = port->mac_stats_buf;
691 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
692 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
695 if ((ids == NULL) || (ids[nb_written] == nb_supported))
696 values[nb_written++] = mac_stats[i];
704 rte_spinlock_unlock(&port->mac_stats_lock);
710 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
711 struct rte_eth_xstat_name *xstats_names,
712 const uint64_t *ids, unsigned int size)
714 struct sfc_adapter *sa = dev->data->dev_private;
715 struct sfc_port *port = &sa->port;
716 unsigned int nb_supported = 0;
717 unsigned int nb_written = 0;
720 if (unlikely(xstats_names == NULL) ||
721 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
722 return port->mac_stats_nb_supported;
724 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
725 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
728 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
729 char *name = xstats_names[nb_written++].name;
731 strncpy(name, efx_mac_stat_name(sa->nic, i),
732 sizeof(xstats_names[0].name));
733 name[sizeof(xstats_names[0].name) - 1] = '\0';
743 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
745 struct sfc_adapter *sa = dev->data->dev_private;
746 unsigned int wanted_fc, link_fc;
748 memset(fc_conf, 0, sizeof(*fc_conf));
750 sfc_adapter_lock(sa);
752 if (sa->state == SFC_ADAPTER_STARTED)
753 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
755 link_fc = sa->port.flow_ctrl;
759 fc_conf->mode = RTE_FC_NONE;
761 case EFX_FCNTL_RESPOND:
762 fc_conf->mode = RTE_FC_RX_PAUSE;
764 case EFX_FCNTL_GENERATE:
765 fc_conf->mode = RTE_FC_TX_PAUSE;
767 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
768 fc_conf->mode = RTE_FC_FULL;
771 sfc_err(sa, "%s: unexpected flow control value %#x",
775 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
777 sfc_adapter_unlock(sa);
783 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
785 struct sfc_adapter *sa = dev->data->dev_private;
786 struct sfc_port *port = &sa->port;
790 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
791 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
792 fc_conf->mac_ctrl_frame_fwd != 0) {
793 sfc_err(sa, "unsupported flow control settings specified");
798 switch (fc_conf->mode) {
802 case RTE_FC_RX_PAUSE:
803 fcntl = EFX_FCNTL_RESPOND;
805 case RTE_FC_TX_PAUSE:
806 fcntl = EFX_FCNTL_GENERATE;
809 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
816 sfc_adapter_lock(sa);
818 if (sa->state == SFC_ADAPTER_STARTED) {
819 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
821 goto fail_mac_fcntl_set;
824 port->flow_ctrl = fcntl;
825 port->flow_ctrl_autoneg = fc_conf->autoneg;
827 sfc_adapter_unlock(sa);
832 sfc_adapter_unlock(sa);
839 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
841 struct sfc_adapter *sa = dev->data->dev_private;
842 size_t pdu = EFX_MAC_PDU(mtu);
846 sfc_log_init(sa, "mtu=%u", mtu);
849 if (pdu < EFX_MAC_PDU_MIN) {
850 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
851 (unsigned int)mtu, (unsigned int)pdu,
855 if (pdu > EFX_MAC_PDU_MAX) {
856 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
857 (unsigned int)mtu, (unsigned int)pdu,
862 sfc_adapter_lock(sa);
864 if (pdu != sa->port.pdu) {
865 if (sa->state == SFC_ADAPTER_STARTED) {
868 old_pdu = sa->port.pdu;
879 * The driver does not use it, but other PMDs update jumbo_frame
880 * flag and max_rx_pkt_len when MTU is set.
882 if (mtu > ETHER_MAX_LEN) {
883 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
885 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
886 rxmode->jumbo_frame = 1;
889 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
891 sfc_adapter_unlock(sa);
893 sfc_log_init(sa, "done");
897 sa->port.pdu = old_pdu;
898 if (sfc_start(sa) != 0)
899 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
900 "PDU max size - port is stopped",
901 (unsigned int)pdu, (unsigned int)old_pdu);
902 sfc_adapter_unlock(sa);
905 sfc_log_init(sa, "failed %d", rc);
910 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
912 struct sfc_adapter *sa = dev->data->dev_private;
913 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
914 struct sfc_port *port = &sa->port;
917 sfc_adapter_lock(sa);
920 * Copy the address to the device private data so that
921 * it could be recalled in the case of adapter restart.
923 ether_addr_copy(mac_addr, &port->default_mac_addr);
925 if (port->isolated) {
926 sfc_err(sa, "isolated mode is active on the port");
927 sfc_err(sa, "will not set MAC address");
931 if (sa->state != SFC_ADAPTER_STARTED) {
932 sfc_info(sa, "the port is not started");
933 sfc_info(sa, "the new MAC address will be set on port start");
938 if (encp->enc_allow_set_mac_with_installed_filters) {
939 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
941 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
946 * Changing the MAC address by means of MCDI request
947 * has no effect on received traffic, therefore
948 * we also need to update unicast filters
950 rc = sfc_set_rx_mode(sa);
952 sfc_err(sa, "cannot set filter (rc = %u)", rc);
954 sfc_warn(sa, "cannot set MAC address with filters installed");
955 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
956 sfc_warn(sa, "(some traffic may be dropped)");
959 * Since setting MAC address with filters installed is not
960 * allowed on the adapter, the new MAC address will be set
961 * by means of adapter restart. sfc_start() shall retrieve
962 * the new address from the device private data and set it.
967 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
972 * In the case of failure sa->port->default_mac_addr does not
973 * need rollback since no error code is returned, and the upper
974 * API will anyway update the external MAC address storage.
975 * To be consistent with that new value it is better to keep
976 * the device private value the same.
978 sfc_adapter_unlock(sa);
983 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
986 struct sfc_adapter *sa = dev->data->dev_private;
987 struct sfc_port *port = &sa->port;
988 uint8_t *mc_addrs = port->mcast_addrs;
992 if (port->isolated) {
993 sfc_err(sa, "isolated mode is active on the port");
994 sfc_err(sa, "will not set multicast address list");
998 if (mc_addrs == NULL)
1001 if (nb_mc_addr > port->max_mcast_addrs) {
1002 sfc_err(sa, "too many multicast addresses: %u > %u",
1003 nb_mc_addr, port->max_mcast_addrs);
1007 for (i = 0; i < nb_mc_addr; ++i) {
1008 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1010 mc_addrs += EFX_MAC_ADDR_LEN;
1013 port->nb_mcast_addrs = nb_mc_addr;
1015 if (sa->state != SFC_ADAPTER_STARTED)
1018 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1019 port->nb_mcast_addrs);
1021 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1028 * The function is used by the secondary process as well. It must not
1029 * use any process-local pointers from the adapter data.
1032 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1033 struct rte_eth_rxq_info *qinfo)
1035 struct sfc_adapter *sa = dev->data->dev_private;
1036 struct sfc_rxq_info *rxq_info;
1037 struct sfc_rxq *rxq;
1039 sfc_adapter_lock(sa);
1041 SFC_ASSERT(rx_queue_id < sa->rxq_count);
1043 rxq_info = &sa->rxq_info[rx_queue_id];
1044 rxq = rxq_info->rxq;
1045 SFC_ASSERT(rxq != NULL);
1047 qinfo->mp = rxq->refill_mb_pool;
1048 qinfo->conf.rx_free_thresh = rxq->refill_threshold;
1049 qinfo->conf.rx_drop_en = 1;
1050 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1051 qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM |
1052 DEV_RX_OFFLOAD_UDP_CKSUM |
1053 DEV_RX_OFFLOAD_TCP_CKSUM;
1054 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1055 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1056 qinfo->scattered_rx = 1;
1058 qinfo->nb_desc = rxq_info->entries;
1060 sfc_adapter_unlock(sa);
1064 * The function is used by the secondary process as well. It must not
1065 * use any process-local pointers from the adapter data.
1068 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1069 struct rte_eth_txq_info *qinfo)
1071 struct sfc_adapter *sa = dev->data->dev_private;
1072 struct sfc_txq_info *txq_info;
1074 sfc_adapter_lock(sa);
1076 SFC_ASSERT(tx_queue_id < sa->txq_count);
1078 txq_info = &sa->txq_info[tx_queue_id];
1079 SFC_ASSERT(txq_info->txq != NULL);
1081 memset(qinfo, 0, sizeof(*qinfo));
1083 qinfo->conf.txq_flags = txq_info->txq->flags;
1084 qinfo->conf.offloads = txq_info->txq->offloads;
1085 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
1086 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1087 qinfo->nb_desc = txq_info->entries;
1089 sfc_adapter_unlock(sa);
1093 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1095 struct sfc_adapter *sa = dev->data->dev_private;
1097 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1099 return sfc_rx_qdesc_npending(sa, rx_queue_id);
1103 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1105 struct sfc_dp_rxq *dp_rxq = queue;
1107 return sfc_rx_qdesc_done(dp_rxq, offset);
1111 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1113 struct sfc_dp_rxq *dp_rxq = queue;
1114 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
1116 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset);
1120 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1122 struct sfc_dp_txq *dp_txq = queue;
1123 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq);
1125 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset);
1129 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1131 struct sfc_adapter *sa = dev->data->dev_private;
1134 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1136 sfc_adapter_lock(sa);
1139 if (sa->state != SFC_ADAPTER_STARTED)
1140 goto fail_not_started;
1142 rc = sfc_rx_qstart(sa, rx_queue_id);
1144 goto fail_rx_qstart;
1146 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
1148 sfc_adapter_unlock(sa);
1154 sfc_adapter_unlock(sa);
1160 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1162 struct sfc_adapter *sa = dev->data->dev_private;
1164 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1166 sfc_adapter_lock(sa);
1167 sfc_rx_qstop(sa, rx_queue_id);
1169 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
1171 sfc_adapter_unlock(sa);
1177 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1179 struct sfc_adapter *sa = dev->data->dev_private;
1182 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1184 sfc_adapter_lock(sa);
1187 if (sa->state != SFC_ADAPTER_STARTED)
1188 goto fail_not_started;
1190 rc = sfc_tx_qstart(sa, tx_queue_id);
1192 goto fail_tx_qstart;
1194 sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
1196 sfc_adapter_unlock(sa);
1202 sfc_adapter_unlock(sa);
1208 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1210 struct sfc_adapter *sa = dev->data->dev_private;
1212 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1214 sfc_adapter_lock(sa);
1216 sfc_tx_qstop(sa, tx_queue_id);
1218 sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
1220 sfc_adapter_unlock(sa);
1224 static efx_tunnel_protocol_t
1225 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1228 case RTE_TUNNEL_TYPE_VXLAN:
1229 return EFX_TUNNEL_PROTOCOL_VXLAN;
1230 case RTE_TUNNEL_TYPE_GENEVE:
1231 return EFX_TUNNEL_PROTOCOL_GENEVE;
1233 return EFX_TUNNEL_NPROTOS;
1237 enum sfc_udp_tunnel_op_e {
1238 SFC_UDP_TUNNEL_ADD_PORT,
1239 SFC_UDP_TUNNEL_DEL_PORT,
1243 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1244 struct rte_eth_udp_tunnel *tunnel_udp,
1245 enum sfc_udp_tunnel_op_e op)
1247 struct sfc_adapter *sa = dev->data->dev_private;
1248 efx_tunnel_protocol_t tunnel_proto;
1251 sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1252 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1253 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1254 tunnel_udp->udp_port, tunnel_udp->prot_type);
1257 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1258 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1260 goto fail_bad_proto;
1263 sfc_adapter_lock(sa);
1266 case SFC_UDP_TUNNEL_ADD_PORT:
1267 rc = efx_tunnel_config_udp_add(sa->nic,
1268 tunnel_udp->udp_port,
1271 case SFC_UDP_TUNNEL_DEL_PORT:
1272 rc = efx_tunnel_config_udp_remove(sa->nic,
1273 tunnel_udp->udp_port,
1284 if (sa->state == SFC_ADAPTER_STARTED) {
1285 rc = efx_tunnel_reconfigure(sa->nic);
1288 * Configuration is accepted by FW and MC reboot
1289 * is initiated to apply the changes. MC reboot
1290 * will be handled in a usual way (MC reboot
1291 * event on management event queue and adapter
1295 } else if (rc != 0) {
1296 goto fail_reconfigure;
1300 sfc_adapter_unlock(sa);
1304 /* Remove/restore entry since the change makes the trouble */
1306 case SFC_UDP_TUNNEL_ADD_PORT:
1307 (void)efx_tunnel_config_udp_remove(sa->nic,
1308 tunnel_udp->udp_port,
1311 case SFC_UDP_TUNNEL_DEL_PORT:
1312 (void)efx_tunnel_config_udp_add(sa->nic,
1313 tunnel_udp->udp_port,
1320 sfc_adapter_unlock(sa);
1328 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1329 struct rte_eth_udp_tunnel *tunnel_udp)
1331 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1335 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1336 struct rte_eth_udp_tunnel *tunnel_udp)
1338 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1341 #if EFSYS_OPT_RX_SCALE
1343 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1344 struct rte_eth_rss_conf *rss_conf)
1346 struct sfc_adapter *sa = dev->data->dev_private;
1347 struct sfc_port *port = &sa->port;
1349 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1352 if (sa->rss_channels == 0)
1355 sfc_adapter_lock(sa);
1358 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1359 * hence, conversion is done here to derive a correct set of ETH_RSS
1360 * flags which corresponds to the active EFX configuration stored
1361 * locally in 'sfc_adapter' and kept up-to-date
1363 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
1364 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1365 if (rss_conf->rss_key != NULL)
1366 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE);
1368 sfc_adapter_unlock(sa);
1374 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1375 struct rte_eth_rss_conf *rss_conf)
1377 struct sfc_adapter *sa = dev->data->dev_private;
1378 struct sfc_port *port = &sa->port;
1379 unsigned int efx_hash_types;
1385 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1386 sfc_err(sa, "RSS is not available");
1390 if (sa->rss_channels == 0) {
1391 sfc_err(sa, "RSS is not configured");
1395 if ((rss_conf->rss_key != NULL) &&
1396 (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
1397 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1398 sizeof(sa->rss_key));
1402 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
1403 sfc_err(sa, "unsupported hash functions requested");
1407 sfc_adapter_lock(sa);
1409 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
1411 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1412 EFX_RX_HASHALG_TOEPLITZ,
1413 efx_hash_types, B_TRUE);
1415 goto fail_scale_mode_set;
1417 if (rss_conf->rss_key != NULL) {
1418 if (sa->state == SFC_ADAPTER_STARTED) {
1419 rc = efx_rx_scale_key_set(sa->nic,
1420 EFX_RSS_CONTEXT_DEFAULT,
1422 sizeof(sa->rss_key));
1424 goto fail_scale_key_set;
1427 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
1430 sa->rss_hash_types = efx_hash_types;
1432 sfc_adapter_unlock(sa);
1437 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1438 EFX_RX_HASHALG_TOEPLITZ,
1439 sa->rss_hash_types, B_TRUE) != 0)
1440 sfc_err(sa, "failed to restore RSS mode");
1442 fail_scale_mode_set:
1443 sfc_adapter_unlock(sa);
1448 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1449 struct rte_eth_rss_reta_entry64 *reta_conf,
1452 struct sfc_adapter *sa = dev->data->dev_private;
1453 struct sfc_port *port = &sa->port;
1456 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1459 if (sa->rss_channels == 0)
1462 if (reta_size != EFX_RSS_TBL_SIZE)
1465 sfc_adapter_lock(sa);
1467 for (entry = 0; entry < reta_size; entry++) {
1468 int grp = entry / RTE_RETA_GROUP_SIZE;
1469 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1471 if ((reta_conf[grp].mask >> grp_idx) & 1)
1472 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
1475 sfc_adapter_unlock(sa);
1481 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1482 struct rte_eth_rss_reta_entry64 *reta_conf,
1485 struct sfc_adapter *sa = dev->data->dev_private;
1486 struct sfc_port *port = &sa->port;
1487 unsigned int *rss_tbl_new;
1495 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1496 sfc_err(sa, "RSS is not available");
1500 if (sa->rss_channels == 0) {
1501 sfc_err(sa, "RSS is not configured");
1505 if (reta_size != EFX_RSS_TBL_SIZE) {
1506 sfc_err(sa, "RETA size is wrong (should be %u)",
1511 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
1512 if (rss_tbl_new == NULL)
1515 sfc_adapter_lock(sa);
1517 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
1519 for (entry = 0; entry < reta_size; entry++) {
1520 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1521 struct rte_eth_rss_reta_entry64 *grp;
1523 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1525 if (grp->mask & (1ull << grp_idx)) {
1526 if (grp->reta[grp_idx] >= sa->rss_channels) {
1528 goto bad_reta_entry;
1530 rss_tbl_new[entry] = grp->reta[grp_idx];
1534 if (sa->state == SFC_ADAPTER_STARTED) {
1535 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1536 rss_tbl_new, EFX_RSS_TBL_SIZE);
1538 goto fail_scale_tbl_set;
1541 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
1545 sfc_adapter_unlock(sa);
1547 rte_free(rss_tbl_new);
1549 SFC_ASSERT(rc >= 0);
1555 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
1556 enum rte_filter_op filter_op,
1559 struct sfc_adapter *sa = dev->data->dev_private;
1562 sfc_log_init(sa, "entry");
1564 switch (filter_type) {
1565 case RTE_ETH_FILTER_NONE:
1566 sfc_err(sa, "Global filters configuration not supported");
1568 case RTE_ETH_FILTER_MACVLAN:
1569 sfc_err(sa, "MACVLAN filters not supported");
1571 case RTE_ETH_FILTER_ETHERTYPE:
1572 sfc_err(sa, "EtherType filters not supported");
1574 case RTE_ETH_FILTER_FLEXIBLE:
1575 sfc_err(sa, "Flexible filters not supported");
1577 case RTE_ETH_FILTER_SYN:
1578 sfc_err(sa, "SYN filters not supported");
1580 case RTE_ETH_FILTER_NTUPLE:
1581 sfc_err(sa, "NTUPLE filters not supported");
1583 case RTE_ETH_FILTER_TUNNEL:
1584 sfc_err(sa, "Tunnel filters not supported");
1586 case RTE_ETH_FILTER_FDIR:
1587 sfc_err(sa, "Flow Director filters not supported");
1589 case RTE_ETH_FILTER_HASH:
1590 sfc_err(sa, "Hash filters not supported");
1592 case RTE_ETH_FILTER_GENERIC:
1593 if (filter_op != RTE_ETH_FILTER_GET) {
1596 *(const void **)arg = &sfc_flow_ops;
1601 sfc_err(sa, "Unknown filter type %u", filter_type);
1605 sfc_log_init(sa, "exit: %d", -rc);
1606 SFC_ASSERT(rc >= 0);
1610 static const struct eth_dev_ops sfc_eth_dev_ops = {
1611 .dev_configure = sfc_dev_configure,
1612 .dev_start = sfc_dev_start,
1613 .dev_stop = sfc_dev_stop,
1614 .dev_set_link_up = sfc_dev_set_link_up,
1615 .dev_set_link_down = sfc_dev_set_link_down,
1616 .dev_close = sfc_dev_close,
1617 .promiscuous_enable = sfc_dev_promisc_enable,
1618 .promiscuous_disable = sfc_dev_promisc_disable,
1619 .allmulticast_enable = sfc_dev_allmulti_enable,
1620 .allmulticast_disable = sfc_dev_allmulti_disable,
1621 .link_update = sfc_dev_link_update,
1622 .stats_get = sfc_stats_get,
1623 .stats_reset = sfc_stats_reset,
1624 .xstats_get = sfc_xstats_get,
1625 .xstats_reset = sfc_stats_reset,
1626 .xstats_get_names = sfc_xstats_get_names,
1627 .dev_infos_get = sfc_dev_infos_get,
1628 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1629 .mtu_set = sfc_dev_set_mtu,
1630 .rx_queue_start = sfc_rx_queue_start,
1631 .rx_queue_stop = sfc_rx_queue_stop,
1632 .tx_queue_start = sfc_tx_queue_start,
1633 .tx_queue_stop = sfc_tx_queue_stop,
1634 .rx_queue_setup = sfc_rx_queue_setup,
1635 .rx_queue_release = sfc_rx_queue_release,
1636 .rx_queue_count = sfc_rx_queue_count,
1637 .rx_descriptor_done = sfc_rx_descriptor_done,
1638 .rx_descriptor_status = sfc_rx_descriptor_status,
1639 .tx_descriptor_status = sfc_tx_descriptor_status,
1640 .tx_queue_setup = sfc_tx_queue_setup,
1641 .tx_queue_release = sfc_tx_queue_release,
1642 .flow_ctrl_get = sfc_flow_ctrl_get,
1643 .flow_ctrl_set = sfc_flow_ctrl_set,
1644 .mac_addr_set = sfc_mac_addr_set,
1645 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add,
1646 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del,
1647 #if EFSYS_OPT_RX_SCALE
1648 .reta_update = sfc_dev_rss_reta_update,
1649 .reta_query = sfc_dev_rss_reta_query,
1650 .rss_hash_update = sfc_dev_rss_hash_update,
1651 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1653 .filter_ctrl = sfc_dev_filter_ctrl,
1654 .set_mc_addr_list = sfc_set_mc_addr_list,
1655 .rxq_info_get = sfc_rx_queue_info_get,
1656 .txq_info_get = sfc_tx_queue_info_get,
1657 .fw_version_get = sfc_fw_version_get,
1658 .xstats_get_by_id = sfc_xstats_get_by_id,
1659 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1663 * Duplicate a string in potentially shared memory required for
1664 * multi-process support.
1666 * strdup() allocates from process-local heap/memory.
1669 sfc_strdup(const char *str)
1677 size = strlen(str) + 1;
1678 copy = rte_malloc(__func__, size, 0);
1680 rte_memcpy(copy, str, size);
1686 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1688 struct sfc_adapter *sa = dev->data->dev_private;
1689 unsigned int avail_caps = 0;
1690 const char *rx_name = NULL;
1691 const char *tx_name = NULL;
1694 switch (sa->family) {
1695 case EFX_FAMILY_HUNTINGTON:
1696 case EFX_FAMILY_MEDFORD:
1697 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1703 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1704 sfc_kvarg_string_handler, &rx_name);
1706 goto fail_kvarg_rx_datapath;
1708 if (rx_name != NULL) {
1709 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1710 if (sa->dp_rx == NULL) {
1711 sfc_err(sa, "Rx datapath %s not found", rx_name);
1715 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
1717 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1720 goto fail_dp_rx_caps;
1723 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1724 if (sa->dp_rx == NULL) {
1725 sfc_err(sa, "Rx datapath by caps %#x not found",
1732 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name);
1733 if (sa->dp_rx_name == NULL) {
1735 goto fail_dp_rx_name;
1738 sfc_info(sa, "use %s Rx datapath", sa->dp_rx_name);
1740 dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
1742 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1743 sfc_kvarg_string_handler, &tx_name);
1745 goto fail_kvarg_tx_datapath;
1747 if (tx_name != NULL) {
1748 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1749 if (sa->dp_tx == NULL) {
1750 sfc_err(sa, "Tx datapath %s not found", tx_name);
1754 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
1756 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1759 goto fail_dp_tx_caps;
1762 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1763 if (sa->dp_tx == NULL) {
1764 sfc_err(sa, "Tx datapath by caps %#x not found",
1771 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name);
1772 if (sa->dp_tx_name == NULL) {
1774 goto fail_dp_tx_name;
1777 sfc_info(sa, "use %s Tx datapath", sa->dp_tx_name);
1779 dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
1781 dev->dev_ops = &sfc_eth_dev_ops;
1790 fail_kvarg_tx_datapath:
1791 rte_free(sa->dp_rx_name);
1792 sa->dp_rx_name = NULL;
1799 fail_kvarg_rx_datapath:
1804 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
1806 struct sfc_adapter *sa = dev->data->dev_private;
1808 dev->dev_ops = NULL;
1809 dev->rx_pkt_burst = NULL;
1810 dev->tx_pkt_burst = NULL;
1812 rte_free(sa->dp_tx_name);
1813 sa->dp_tx_name = NULL;
1816 rte_free(sa->dp_rx_name);
1817 sa->dp_rx_name = NULL;
1821 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
1822 .rxq_info_get = sfc_rx_queue_info_get,
1823 .txq_info_get = sfc_tx_queue_info_get,
1827 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev)
1830 * Device private data has really many process-local pointers.
1831 * Below code should be extremely careful to use data located
1832 * in shared memory only.
1834 struct sfc_adapter *sa = dev->data->dev_private;
1835 const struct sfc_dp_rx *dp_rx;
1836 const struct sfc_dp_tx *dp_tx;
1839 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name);
1840 if (dp_rx == NULL) {
1841 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name);
1845 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
1846 sfc_err(sa, "%s Rx datapath does not support multi-process",
1849 goto fail_dp_rx_multi_process;
1852 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name);
1853 if (dp_tx == NULL) {
1854 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name);
1858 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
1859 sfc_err(sa, "%s Tx datapath does not support multi-process",
1862 goto fail_dp_tx_multi_process;
1865 dev->rx_pkt_burst = dp_rx->pkt_burst;
1866 dev->tx_pkt_burst = dp_tx->pkt_burst;
1867 dev->dev_ops = &sfc_eth_dev_secondary_ops;
1871 fail_dp_tx_multi_process:
1873 fail_dp_rx_multi_process:
1879 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
1881 dev->dev_ops = NULL;
1882 dev->tx_pkt_burst = NULL;
1883 dev->rx_pkt_burst = NULL;
1887 sfc_register_dp(void)
1890 if (TAILQ_EMPTY(&sfc_dp_head)) {
1891 /* Prefer EF10 datapath */
1892 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
1893 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
1895 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
1896 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
1897 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
1902 sfc_eth_dev_init(struct rte_eth_dev *dev)
1904 struct sfc_adapter *sa = dev->data->dev_private;
1905 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1907 const efx_nic_cfg_t *encp;
1908 const struct ether_addr *from;
1912 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1913 return -sfc_eth_dev_secondary_set_ops(dev);
1915 /* Required for logging */
1916 sa->pci_addr = pci_dev->addr;
1917 sa->port_id = dev->data->port_id;
1921 /* Copy PCI device info to the dev->data */
1922 rte_eth_copy_pci_info(dev, pci_dev);
1924 rc = sfc_kvargs_parse(sa);
1926 goto fail_kvargs_parse;
1928 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
1929 sfc_kvarg_bool_handler, &sa->debug_init);
1931 goto fail_kvarg_debug_init;
1933 sfc_log_init(sa, "entry");
1935 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1936 if (dev->data->mac_addrs == NULL) {
1938 goto fail_mac_addrs;
1941 sfc_adapter_lock_init(sa);
1942 sfc_adapter_lock(sa);
1944 sfc_log_init(sa, "probing");
1949 sfc_log_init(sa, "set device ops");
1950 rc = sfc_eth_dev_set_ops(dev);
1954 sfc_log_init(sa, "attaching");
1955 rc = sfc_attach(sa);
1959 encp = efx_nic_cfg_get(sa->nic);
1962 * The arguments are really reverse order in comparison to
1963 * Linux kernel. Copy from NIC config to Ethernet device data.
1965 from = (const struct ether_addr *)(encp->enc_mac_addr);
1966 ether_addr_copy(from, &dev->data->mac_addrs[0]);
1968 sfc_adapter_unlock(sa);
1970 sfc_log_init(sa, "done");
1974 sfc_eth_dev_clear_ops(dev);
1980 sfc_adapter_unlock(sa);
1981 sfc_adapter_lock_fini(sa);
1982 rte_free(dev->data->mac_addrs);
1983 dev->data->mac_addrs = NULL;
1986 fail_kvarg_debug_init:
1987 sfc_kvargs_cleanup(sa);
1990 sfc_log_init(sa, "failed %d", rc);
1996 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
1998 struct sfc_adapter *sa;
2000 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2001 sfc_eth_dev_secondary_clear_ops(dev);
2005 sa = dev->data->dev_private;
2006 sfc_log_init(sa, "entry");
2008 sfc_adapter_lock(sa);
2010 sfc_eth_dev_clear_ops(dev);
2015 rte_free(dev->data->mac_addrs);
2016 dev->data->mac_addrs = NULL;
2018 sfc_kvargs_cleanup(sa);
2020 sfc_adapter_unlock(sa);
2021 sfc_adapter_lock_fini(sa);
2023 sfc_log_init(sa, "done");
2025 /* Required for logging, so cleanup last */
2030 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2031 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2032 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2033 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2034 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2035 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2036 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2037 { .vendor_id = 0 /* sentinel */ }
2040 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2041 struct rte_pci_device *pci_dev)
2043 return rte_eth_dev_pci_generic_probe(pci_dev,
2044 sizeof(struct sfc_adapter), sfc_eth_dev_init);
2047 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2049 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2052 static struct rte_pci_driver sfc_efx_pmd = {
2053 .id_table = pci_id_sfc_efx_map,
2055 RTE_PCI_DRV_INTR_LSC |
2056 RTE_PCI_DRV_NEED_MAPPING,
2057 .probe = sfc_eth_dev_pci_probe,
2058 .remove = sfc_eth_dev_pci_remove,
2061 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2062 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2063 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2064 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2065 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2066 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2067 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2068 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> "
2069 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
2070 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);