4 * Copyright (c) 2016-2017 Solarflare Communications Inc.
7 * This software was jointly developed between OKTET Labs (under contract
8 * for Solarflare) and Solarflare Communications, Inc.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions are met:
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <rte_ethdev.h>
34 #include <rte_ethdev_pci.h>
36 #include <rte_errno.h>
41 #include "sfc_debug.h"
43 #include "sfc_kvargs.h"
49 #include "sfc_dp_rx.h"
51 static struct sfc_dp_list sfc_dp_head =
52 TAILQ_HEAD_INITIALIZER(sfc_dp_head);
55 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
57 struct sfc_adapter *sa = dev->data->dev_private;
58 efx_nic_fw_info_t enfi;
63 * Return value of the callback is likely supposed to be
64 * equal to or greater than 0, nevertheless, if an error
65 * occurs, it will be desirable to pass it to the caller
67 if ((fw_version == NULL) || (fw_size == 0))
70 rc = efx_nic_get_fw_version(sa->nic, &enfi);
74 ret = snprintf(fw_version, fw_size,
75 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
76 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
77 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
81 if (enfi.enfi_dpcpu_fw_ids_valid) {
82 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
85 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
86 fw_size - dpcpu_fw_ids_offset,
87 " rx%" PRIx16 " tx%" PRIx16,
88 enfi.enfi_rx_dpcpu_fw_id,
89 enfi.enfi_tx_dpcpu_fw_id);
96 if (fw_size < (size_t)(++ret))
103 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
105 struct sfc_adapter *sa = dev->data->dev_private;
106 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
108 sfc_log_init(sa, "entry");
110 dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
111 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
113 /* Autonegotiation may be disabled */
114 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
115 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
116 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
117 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
118 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
119 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
120 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
122 dev_info->max_rx_queues = sa->rxq_max;
123 dev_info->max_tx_queues = sa->txq_max;
125 /* By default packets are dropped if no descriptors are available */
126 dev_info->default_rxconf.rx_drop_en = 1;
128 dev_info->rx_offload_capa =
129 DEV_RX_OFFLOAD_IPV4_CKSUM |
130 DEV_RX_OFFLOAD_UDP_CKSUM |
131 DEV_RX_OFFLOAD_TCP_CKSUM;
133 dev_info->tx_offload_capa =
134 DEV_TX_OFFLOAD_IPV4_CKSUM |
135 DEV_TX_OFFLOAD_UDP_CKSUM |
136 DEV_TX_OFFLOAD_TCP_CKSUM;
138 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
139 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
140 !encp->enc_hw_tx_insert_vlan_enabled)
141 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
143 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
145 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
146 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
148 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL)
149 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP;
151 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT)
152 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT;
154 #if EFSYS_OPT_RX_SCALE
155 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
156 dev_info->reta_size = EFX_RSS_TBL_SIZE;
157 dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
158 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
163 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
165 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
166 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
167 /* The RXQ hardware requires that the descriptor count is a power
168 * of 2, but rx_desc_lim cannot properly describe that constraint.
170 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
172 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
173 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
175 * The TXQ hardware requires that the descriptor count is a power
176 * of 2, but tx_desc_lim cannot properly describe that constraint
178 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
181 static const uint32_t *
182 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
184 struct sfc_adapter *sa = dev->data->dev_private;
186 return sa->dp_rx->supported_ptypes_get();
190 sfc_dev_configure(struct rte_eth_dev *dev)
192 struct rte_eth_dev_data *dev_data = dev->data;
193 struct sfc_adapter *sa = dev_data->dev_private;
196 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
197 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
199 sfc_adapter_lock(sa);
201 case SFC_ADAPTER_CONFIGURED:
203 case SFC_ADAPTER_INITIALIZED:
204 rc = sfc_configure(sa);
207 sfc_err(sa, "unexpected adapter state %u to configure",
212 sfc_adapter_unlock(sa);
214 sfc_log_init(sa, "done %d", rc);
220 sfc_dev_start(struct rte_eth_dev *dev)
222 struct sfc_adapter *sa = dev->data->dev_private;
225 sfc_log_init(sa, "entry");
227 sfc_adapter_lock(sa);
229 sfc_adapter_unlock(sa);
231 sfc_log_init(sa, "done %d", rc);
237 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
239 struct sfc_adapter *sa = dev->data->dev_private;
240 struct rte_eth_link *dev_link = &dev->data->dev_link;
241 struct rte_eth_link old_link;
242 struct rte_eth_link current_link;
244 sfc_log_init(sa, "entry");
247 EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
248 *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
250 if (sa->state != SFC_ADAPTER_STARTED) {
251 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
252 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
253 *(uint64_t *)&old_link,
254 *(uint64_t *)¤t_link))
256 } else if (wait_to_complete) {
257 efx_link_mode_t link_mode;
259 if (efx_port_poll(sa->nic, &link_mode) != 0)
260 link_mode = EFX_LINK_UNKNOWN;
261 sfc_port_link_mode_to_info(link_mode, ¤t_link);
263 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
264 *(uint64_t *)&old_link,
265 *(uint64_t *)¤t_link))
268 sfc_ev_mgmt_qpoll(sa);
269 *(int64_t *)¤t_link =
270 rte_atomic64_read((rte_atomic64_t *)dev_link);
273 if (old_link.link_status != current_link.link_status)
274 sfc_info(sa, "Link status is %s",
275 current_link.link_status ? "UP" : "DOWN");
277 return old_link.link_status == current_link.link_status ? 0 : -1;
281 sfc_dev_stop(struct rte_eth_dev *dev)
283 struct sfc_adapter *sa = dev->data->dev_private;
285 sfc_log_init(sa, "entry");
287 sfc_adapter_lock(sa);
289 sfc_adapter_unlock(sa);
291 sfc_log_init(sa, "done");
295 sfc_dev_set_link_up(struct rte_eth_dev *dev)
297 struct sfc_adapter *sa = dev->data->dev_private;
300 sfc_log_init(sa, "entry");
302 sfc_adapter_lock(sa);
304 sfc_adapter_unlock(sa);
311 sfc_dev_set_link_down(struct rte_eth_dev *dev)
313 struct sfc_adapter *sa = dev->data->dev_private;
315 sfc_log_init(sa, "entry");
317 sfc_adapter_lock(sa);
319 sfc_adapter_unlock(sa);
325 sfc_dev_close(struct rte_eth_dev *dev)
327 struct sfc_adapter *sa = dev->data->dev_private;
329 sfc_log_init(sa, "entry");
331 sfc_adapter_lock(sa);
333 case SFC_ADAPTER_STARTED:
335 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
337 case SFC_ADAPTER_CONFIGURED:
339 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
341 case SFC_ADAPTER_INITIALIZED:
344 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
347 sfc_adapter_unlock(sa);
349 sfc_log_init(sa, "done");
353 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
356 struct sfc_port *port;
358 struct sfc_adapter *sa = dev->data->dev_private;
359 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
360 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
362 sfc_adapter_lock(sa);
365 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
367 if (*toggle != enabled) {
370 if (port->isolated) {
371 sfc_warn(sa, "isolated mode is active on the port");
372 sfc_warn(sa, "the change is to be applied on the next "
373 "start provided that isolated mode is "
374 "disabled prior the next start");
375 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
376 (sfc_set_rx_mode(sa) != 0)) {
377 *toggle = !(enabled);
378 sfc_warn(sa, "Failed to %s %s mode",
379 ((enabled) ? "enable" : "disable"), desc);
383 sfc_adapter_unlock(sa);
387 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
389 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
393 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
395 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
399 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
401 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
405 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
407 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
411 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
412 uint16_t nb_rx_desc, unsigned int socket_id,
413 const struct rte_eth_rxconf *rx_conf,
414 struct rte_mempool *mb_pool)
416 struct sfc_adapter *sa = dev->data->dev_private;
419 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
420 rx_queue_id, nb_rx_desc, socket_id);
422 sfc_adapter_lock(sa);
424 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
429 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
431 sfc_adapter_unlock(sa);
436 sfc_adapter_unlock(sa);
442 sfc_rx_queue_release(void *queue)
444 struct sfc_dp_rxq *dp_rxq = queue;
446 struct sfc_adapter *sa;
447 unsigned int sw_index;
452 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
454 sfc_adapter_lock(sa);
456 sw_index = sfc_rxq_sw_index(rxq);
458 sfc_log_init(sa, "RxQ=%u", sw_index);
460 sa->eth_dev->data->rx_queues[sw_index] = NULL;
462 sfc_rx_qfini(sa, sw_index);
464 sfc_adapter_unlock(sa);
468 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
469 uint16_t nb_tx_desc, unsigned int socket_id,
470 const struct rte_eth_txconf *tx_conf)
472 struct sfc_adapter *sa = dev->data->dev_private;
475 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
476 tx_queue_id, nb_tx_desc, socket_id);
478 sfc_adapter_lock(sa);
480 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
484 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
486 sfc_adapter_unlock(sa);
490 sfc_adapter_unlock(sa);
496 sfc_tx_queue_release(void *queue)
498 struct sfc_dp_txq *dp_txq = queue;
500 unsigned int sw_index;
501 struct sfc_adapter *sa;
506 txq = sfc_txq_by_dp_txq(dp_txq);
507 sw_index = sfc_txq_sw_index(txq);
509 SFC_ASSERT(txq->evq != NULL);
512 sfc_log_init(sa, "TxQ = %u", sw_index);
514 sfc_adapter_lock(sa);
516 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
517 sa->eth_dev->data->tx_queues[sw_index] = NULL;
519 sfc_tx_qfini(sa, sw_index);
521 sfc_adapter_unlock(sa);
525 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
527 struct sfc_adapter *sa = dev->data->dev_private;
528 struct sfc_port *port = &sa->port;
532 rte_spinlock_lock(&port->mac_stats_lock);
534 ret = sfc_port_update_mac_stats(sa);
538 mac_stats = port->mac_stats_buf;
540 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
541 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
543 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
544 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
545 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
547 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
548 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
549 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
551 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
552 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
553 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
555 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
556 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
557 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
558 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
559 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
560 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
562 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
563 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
564 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
565 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
567 * Take into account stats which are whenever supported
568 * on EF10. If some stat is not supported by current
569 * firmware variant or HW revision, it is guaranteed
570 * to be zero in mac_stats.
573 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
574 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
575 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
576 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
577 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
578 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
579 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
580 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
581 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
582 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
584 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
585 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
586 mac_stats[EFX_MAC_RX_JABBER_PKTS];
587 /* no oerrors counters supported on EF10 */
591 rte_spinlock_unlock(&port->mac_stats_lock);
592 SFC_ASSERT(ret >= 0);
597 sfc_stats_reset(struct rte_eth_dev *dev)
599 struct sfc_adapter *sa = dev->data->dev_private;
600 struct sfc_port *port = &sa->port;
603 if (sa->state != SFC_ADAPTER_STARTED) {
605 * The operation cannot be done if port is not started; it
606 * will be scheduled to be done during the next port start
608 port->mac_stats_reset_pending = B_TRUE;
612 rc = sfc_port_reset_mac_stats(sa);
614 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
618 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
619 unsigned int xstats_count)
621 struct sfc_adapter *sa = dev->data->dev_private;
622 struct sfc_port *port = &sa->port;
628 rte_spinlock_lock(&port->mac_stats_lock);
630 rc = sfc_port_update_mac_stats(sa);
637 mac_stats = port->mac_stats_buf;
639 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
640 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
641 if (xstats != NULL && nstats < (int)xstats_count) {
642 xstats[nstats].id = nstats;
643 xstats[nstats].value = mac_stats[i];
650 rte_spinlock_unlock(&port->mac_stats_lock);
656 sfc_xstats_get_names(struct rte_eth_dev *dev,
657 struct rte_eth_xstat_name *xstats_names,
658 unsigned int xstats_count)
660 struct sfc_adapter *sa = dev->data->dev_private;
661 struct sfc_port *port = &sa->port;
663 unsigned int nstats = 0;
665 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
666 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
667 if (xstats_names != NULL && nstats < xstats_count)
668 strncpy(xstats_names[nstats].name,
669 efx_mac_stat_name(sa->nic, i),
670 sizeof(xstats_names[0].name));
679 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
680 uint64_t *values, unsigned int n)
682 struct sfc_adapter *sa = dev->data->dev_private;
683 struct sfc_port *port = &sa->port;
685 unsigned int nb_supported = 0;
686 unsigned int nb_written = 0;
691 if (unlikely(values == NULL) ||
692 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
693 return port->mac_stats_nb_supported;
695 rte_spinlock_lock(&port->mac_stats_lock);
697 rc = sfc_port_update_mac_stats(sa);
704 mac_stats = port->mac_stats_buf;
706 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
707 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
710 if ((ids == NULL) || (ids[nb_written] == nb_supported))
711 values[nb_written++] = mac_stats[i];
719 rte_spinlock_unlock(&port->mac_stats_lock);
725 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
726 struct rte_eth_xstat_name *xstats_names,
727 const uint64_t *ids, unsigned int size)
729 struct sfc_adapter *sa = dev->data->dev_private;
730 struct sfc_port *port = &sa->port;
731 unsigned int nb_supported = 0;
732 unsigned int nb_written = 0;
735 if (unlikely(xstats_names == NULL) ||
736 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
737 return port->mac_stats_nb_supported;
739 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
740 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
743 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
744 char *name = xstats_names[nb_written++].name;
746 strncpy(name, efx_mac_stat_name(sa->nic, i),
747 sizeof(xstats_names[0].name));
748 name[sizeof(xstats_names[0].name) - 1] = '\0';
758 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
760 struct sfc_adapter *sa = dev->data->dev_private;
761 unsigned int wanted_fc, link_fc;
763 memset(fc_conf, 0, sizeof(*fc_conf));
765 sfc_adapter_lock(sa);
767 if (sa->state == SFC_ADAPTER_STARTED)
768 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
770 link_fc = sa->port.flow_ctrl;
774 fc_conf->mode = RTE_FC_NONE;
776 case EFX_FCNTL_RESPOND:
777 fc_conf->mode = RTE_FC_RX_PAUSE;
779 case EFX_FCNTL_GENERATE:
780 fc_conf->mode = RTE_FC_TX_PAUSE;
782 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
783 fc_conf->mode = RTE_FC_FULL;
786 sfc_err(sa, "%s: unexpected flow control value %#x",
790 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
792 sfc_adapter_unlock(sa);
798 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
800 struct sfc_adapter *sa = dev->data->dev_private;
801 struct sfc_port *port = &sa->port;
805 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
806 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
807 fc_conf->mac_ctrl_frame_fwd != 0) {
808 sfc_err(sa, "unsupported flow control settings specified");
813 switch (fc_conf->mode) {
817 case RTE_FC_RX_PAUSE:
818 fcntl = EFX_FCNTL_RESPOND;
820 case RTE_FC_TX_PAUSE:
821 fcntl = EFX_FCNTL_GENERATE;
824 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
831 sfc_adapter_lock(sa);
833 if (sa->state == SFC_ADAPTER_STARTED) {
834 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
836 goto fail_mac_fcntl_set;
839 port->flow_ctrl = fcntl;
840 port->flow_ctrl_autoneg = fc_conf->autoneg;
842 sfc_adapter_unlock(sa);
847 sfc_adapter_unlock(sa);
854 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
856 struct sfc_adapter *sa = dev->data->dev_private;
857 size_t pdu = EFX_MAC_PDU(mtu);
861 sfc_log_init(sa, "mtu=%u", mtu);
864 if (pdu < EFX_MAC_PDU_MIN) {
865 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
866 (unsigned int)mtu, (unsigned int)pdu,
870 if (pdu > EFX_MAC_PDU_MAX) {
871 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
872 (unsigned int)mtu, (unsigned int)pdu,
877 sfc_adapter_lock(sa);
879 if (pdu != sa->port.pdu) {
880 if (sa->state == SFC_ADAPTER_STARTED) {
883 old_pdu = sa->port.pdu;
894 * The driver does not use it, but other PMDs update jumbo_frame
895 * flag and max_rx_pkt_len when MTU is set.
897 dev->data->dev_conf.rxmode.jumbo_frame = (mtu > ETHER_MAX_LEN);
898 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
900 sfc_adapter_unlock(sa);
902 sfc_log_init(sa, "done");
906 sa->port.pdu = old_pdu;
907 if (sfc_start(sa) != 0)
908 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
909 "PDU max size - port is stopped",
910 (unsigned int)pdu, (unsigned int)old_pdu);
911 sfc_adapter_unlock(sa);
914 sfc_log_init(sa, "failed %d", rc);
919 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
921 struct sfc_adapter *sa = dev->data->dev_private;
922 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
923 struct sfc_port *port = &sa->port;
926 sfc_adapter_lock(sa);
928 if (port->isolated) {
929 sfc_err(sa, "isolated mode is active on the port");
930 sfc_err(sa, "will not set MAC address");
934 if (sa->state != SFC_ADAPTER_STARTED) {
935 sfc_info(sa, "the port is not started");
936 sfc_info(sa, "the new MAC address will be set on port start");
941 if (encp->enc_allow_set_mac_with_installed_filters) {
942 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
944 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
949 * Changing the MAC address by means of MCDI request
950 * has no effect on received traffic, therefore
951 * we also need to update unicast filters
953 rc = sfc_set_rx_mode(sa);
955 sfc_err(sa, "cannot set filter (rc = %u)", rc);
957 sfc_warn(sa, "cannot set MAC address with filters installed");
958 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
959 sfc_warn(sa, "(some traffic may be dropped)");
962 * Since setting MAC address with filters installed is not
963 * allowed on the adapter, one needs to simply restart adapter
964 * so that the new MAC address will be taken from an outer
965 * storage and set flawlessly by means of sfc_start() call
970 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
974 sfc_adapter_unlock(sa);
979 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
982 struct sfc_adapter *sa = dev->data->dev_private;
983 struct sfc_port *port = &sa->port;
984 uint8_t *mc_addrs = port->mcast_addrs;
988 if (port->isolated) {
989 sfc_err(sa, "isolated mode is active on the port");
990 sfc_err(sa, "will not set multicast address list");
994 if (mc_addrs == NULL)
997 if (nb_mc_addr > port->max_mcast_addrs) {
998 sfc_err(sa, "too many multicast addresses: %u > %u",
999 nb_mc_addr, port->max_mcast_addrs);
1003 for (i = 0; i < nb_mc_addr; ++i) {
1004 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1006 mc_addrs += EFX_MAC_ADDR_LEN;
1009 port->nb_mcast_addrs = nb_mc_addr;
1011 if (sa->state != SFC_ADAPTER_STARTED)
1014 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1015 port->nb_mcast_addrs);
1017 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1024 * The function is used by the secondary process as well. It must not
1025 * use any process-local pointers from the adapter data.
1028 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1029 struct rte_eth_rxq_info *qinfo)
1031 struct sfc_adapter *sa = dev->data->dev_private;
1032 struct sfc_rxq_info *rxq_info;
1033 struct sfc_rxq *rxq;
1035 sfc_adapter_lock(sa);
1037 SFC_ASSERT(rx_queue_id < sa->rxq_count);
1039 rxq_info = &sa->rxq_info[rx_queue_id];
1040 rxq = rxq_info->rxq;
1041 SFC_ASSERT(rxq != NULL);
1043 qinfo->mp = rxq->refill_mb_pool;
1044 qinfo->conf.rx_free_thresh = rxq->refill_threshold;
1045 qinfo->conf.rx_drop_en = 1;
1046 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1047 qinfo->scattered_rx = (rxq_info->type == EFX_RXQ_TYPE_SCATTER);
1048 qinfo->nb_desc = rxq_info->entries;
1050 sfc_adapter_unlock(sa);
1054 * The function is used by the secondary process as well. It must not
1055 * use any process-local pointers from the adapter data.
1058 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1059 struct rte_eth_txq_info *qinfo)
1061 struct sfc_adapter *sa = dev->data->dev_private;
1062 struct sfc_txq_info *txq_info;
1064 sfc_adapter_lock(sa);
1066 SFC_ASSERT(tx_queue_id < sa->txq_count);
1068 txq_info = &sa->txq_info[tx_queue_id];
1069 SFC_ASSERT(txq_info->txq != NULL);
1071 memset(qinfo, 0, sizeof(*qinfo));
1073 qinfo->conf.txq_flags = txq_info->txq->flags;
1074 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
1075 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1076 qinfo->nb_desc = txq_info->entries;
1078 sfc_adapter_unlock(sa);
1082 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1084 struct sfc_adapter *sa = dev->data->dev_private;
1086 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1088 return sfc_rx_qdesc_npending(sa, rx_queue_id);
1092 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1094 struct sfc_dp_rxq *dp_rxq = queue;
1096 return sfc_rx_qdesc_done(dp_rxq, offset);
1100 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1102 struct sfc_dp_rxq *dp_rxq = queue;
1103 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
1105 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset);
1109 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1111 struct sfc_dp_txq *dp_txq = queue;
1112 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq);
1114 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset);
1118 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1120 struct sfc_adapter *sa = dev->data->dev_private;
1123 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1125 sfc_adapter_lock(sa);
1128 if (sa->state != SFC_ADAPTER_STARTED)
1129 goto fail_not_started;
1131 rc = sfc_rx_qstart(sa, rx_queue_id);
1133 goto fail_rx_qstart;
1135 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
1137 sfc_adapter_unlock(sa);
1143 sfc_adapter_unlock(sa);
1149 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1151 struct sfc_adapter *sa = dev->data->dev_private;
1153 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1155 sfc_adapter_lock(sa);
1156 sfc_rx_qstop(sa, rx_queue_id);
1158 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
1160 sfc_adapter_unlock(sa);
1166 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1168 struct sfc_adapter *sa = dev->data->dev_private;
1171 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1173 sfc_adapter_lock(sa);
1176 if (sa->state != SFC_ADAPTER_STARTED)
1177 goto fail_not_started;
1179 rc = sfc_tx_qstart(sa, tx_queue_id);
1181 goto fail_tx_qstart;
1183 sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
1185 sfc_adapter_unlock(sa);
1191 sfc_adapter_unlock(sa);
1197 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1199 struct sfc_adapter *sa = dev->data->dev_private;
1201 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1203 sfc_adapter_lock(sa);
1205 sfc_tx_qstop(sa, tx_queue_id);
1207 sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
1209 sfc_adapter_unlock(sa);
1213 #if EFSYS_OPT_RX_SCALE
1215 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1216 struct rte_eth_rss_conf *rss_conf)
1218 struct sfc_adapter *sa = dev->data->dev_private;
1219 struct sfc_port *port = &sa->port;
1221 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1224 if (sa->rss_channels == 0)
1227 sfc_adapter_lock(sa);
1230 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1231 * hence, conversion is done here to derive a correct set of ETH_RSS
1232 * flags which corresponds to the active EFX configuration stored
1233 * locally in 'sfc_adapter' and kept up-to-date
1235 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
1236 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1237 if (rss_conf->rss_key != NULL)
1238 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE);
1240 sfc_adapter_unlock(sa);
1246 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1247 struct rte_eth_rss_conf *rss_conf)
1249 struct sfc_adapter *sa = dev->data->dev_private;
1250 struct sfc_port *port = &sa->port;
1251 unsigned int efx_hash_types;
1257 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1258 sfc_err(sa, "RSS is not available");
1262 if (sa->rss_channels == 0) {
1263 sfc_err(sa, "RSS is not configured");
1267 if ((rss_conf->rss_key != NULL) &&
1268 (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
1269 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1270 sizeof(sa->rss_key));
1274 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
1275 sfc_err(sa, "unsupported hash functions requested");
1279 sfc_adapter_lock(sa);
1281 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
1283 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1284 EFX_RX_HASHALG_TOEPLITZ,
1285 efx_hash_types, B_TRUE);
1287 goto fail_scale_mode_set;
1289 if (rss_conf->rss_key != NULL) {
1290 if (sa->state == SFC_ADAPTER_STARTED) {
1291 rc = efx_rx_scale_key_set(sa->nic,
1292 EFX_RSS_CONTEXT_DEFAULT,
1294 sizeof(sa->rss_key));
1296 goto fail_scale_key_set;
1299 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
1302 sa->rss_hash_types = efx_hash_types;
1304 sfc_adapter_unlock(sa);
1309 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1310 EFX_RX_HASHALG_TOEPLITZ,
1311 sa->rss_hash_types, B_TRUE) != 0)
1312 sfc_err(sa, "failed to restore RSS mode");
1314 fail_scale_mode_set:
1315 sfc_adapter_unlock(sa);
1320 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1321 struct rte_eth_rss_reta_entry64 *reta_conf,
1324 struct sfc_adapter *sa = dev->data->dev_private;
1325 struct sfc_port *port = &sa->port;
1328 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1331 if (sa->rss_channels == 0)
1334 if (reta_size != EFX_RSS_TBL_SIZE)
1337 sfc_adapter_lock(sa);
1339 for (entry = 0; entry < reta_size; entry++) {
1340 int grp = entry / RTE_RETA_GROUP_SIZE;
1341 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1343 if ((reta_conf[grp].mask >> grp_idx) & 1)
1344 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
1347 sfc_adapter_unlock(sa);
1353 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1354 struct rte_eth_rss_reta_entry64 *reta_conf,
1357 struct sfc_adapter *sa = dev->data->dev_private;
1358 struct sfc_port *port = &sa->port;
1359 unsigned int *rss_tbl_new;
1367 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1368 sfc_err(sa, "RSS is not available");
1372 if (sa->rss_channels == 0) {
1373 sfc_err(sa, "RSS is not configured");
1377 if (reta_size != EFX_RSS_TBL_SIZE) {
1378 sfc_err(sa, "RETA size is wrong (should be %u)",
1383 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
1384 if (rss_tbl_new == NULL)
1387 sfc_adapter_lock(sa);
1389 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
1391 for (entry = 0; entry < reta_size; entry++) {
1392 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1393 struct rte_eth_rss_reta_entry64 *grp;
1395 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1397 if (grp->mask & (1ull << grp_idx)) {
1398 if (grp->reta[grp_idx] >= sa->rss_channels) {
1400 goto bad_reta_entry;
1402 rss_tbl_new[entry] = grp->reta[grp_idx];
1406 if (sa->state == SFC_ADAPTER_STARTED) {
1407 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1408 rss_tbl_new, EFX_RSS_TBL_SIZE);
1410 goto fail_scale_tbl_set;
1413 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
1417 sfc_adapter_unlock(sa);
1419 rte_free(rss_tbl_new);
1421 SFC_ASSERT(rc >= 0);
1427 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
1428 enum rte_filter_op filter_op,
1431 struct sfc_adapter *sa = dev->data->dev_private;
1434 sfc_log_init(sa, "entry");
1436 switch (filter_type) {
1437 case RTE_ETH_FILTER_NONE:
1438 sfc_err(sa, "Global filters configuration not supported");
1440 case RTE_ETH_FILTER_MACVLAN:
1441 sfc_err(sa, "MACVLAN filters not supported");
1443 case RTE_ETH_FILTER_ETHERTYPE:
1444 sfc_err(sa, "EtherType filters not supported");
1446 case RTE_ETH_FILTER_FLEXIBLE:
1447 sfc_err(sa, "Flexible filters not supported");
1449 case RTE_ETH_FILTER_SYN:
1450 sfc_err(sa, "SYN filters not supported");
1452 case RTE_ETH_FILTER_NTUPLE:
1453 sfc_err(sa, "NTUPLE filters not supported");
1455 case RTE_ETH_FILTER_TUNNEL:
1456 sfc_err(sa, "Tunnel filters not supported");
1458 case RTE_ETH_FILTER_FDIR:
1459 sfc_err(sa, "Flow Director filters not supported");
1461 case RTE_ETH_FILTER_HASH:
1462 sfc_err(sa, "Hash filters not supported");
1464 case RTE_ETH_FILTER_GENERIC:
1465 if (filter_op != RTE_ETH_FILTER_GET) {
1468 *(const void **)arg = &sfc_flow_ops;
1473 sfc_err(sa, "Unknown filter type %u", filter_type);
1477 sfc_log_init(sa, "exit: %d", -rc);
1478 SFC_ASSERT(rc >= 0);
1482 static const struct eth_dev_ops sfc_eth_dev_ops = {
1483 .dev_configure = sfc_dev_configure,
1484 .dev_start = sfc_dev_start,
1485 .dev_stop = sfc_dev_stop,
1486 .dev_set_link_up = sfc_dev_set_link_up,
1487 .dev_set_link_down = sfc_dev_set_link_down,
1488 .dev_close = sfc_dev_close,
1489 .promiscuous_enable = sfc_dev_promisc_enable,
1490 .promiscuous_disable = sfc_dev_promisc_disable,
1491 .allmulticast_enable = sfc_dev_allmulti_enable,
1492 .allmulticast_disable = sfc_dev_allmulti_disable,
1493 .link_update = sfc_dev_link_update,
1494 .stats_get = sfc_stats_get,
1495 .stats_reset = sfc_stats_reset,
1496 .xstats_get = sfc_xstats_get,
1497 .xstats_reset = sfc_stats_reset,
1498 .xstats_get_names = sfc_xstats_get_names,
1499 .dev_infos_get = sfc_dev_infos_get,
1500 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1501 .mtu_set = sfc_dev_set_mtu,
1502 .rx_queue_start = sfc_rx_queue_start,
1503 .rx_queue_stop = sfc_rx_queue_stop,
1504 .tx_queue_start = sfc_tx_queue_start,
1505 .tx_queue_stop = sfc_tx_queue_stop,
1506 .rx_queue_setup = sfc_rx_queue_setup,
1507 .rx_queue_release = sfc_rx_queue_release,
1508 .rx_queue_count = sfc_rx_queue_count,
1509 .rx_descriptor_done = sfc_rx_descriptor_done,
1510 .rx_descriptor_status = sfc_rx_descriptor_status,
1511 .tx_descriptor_status = sfc_tx_descriptor_status,
1512 .tx_queue_setup = sfc_tx_queue_setup,
1513 .tx_queue_release = sfc_tx_queue_release,
1514 .flow_ctrl_get = sfc_flow_ctrl_get,
1515 .flow_ctrl_set = sfc_flow_ctrl_set,
1516 .mac_addr_set = sfc_mac_addr_set,
1517 #if EFSYS_OPT_RX_SCALE
1518 .reta_update = sfc_dev_rss_reta_update,
1519 .reta_query = sfc_dev_rss_reta_query,
1520 .rss_hash_update = sfc_dev_rss_hash_update,
1521 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1523 .filter_ctrl = sfc_dev_filter_ctrl,
1524 .set_mc_addr_list = sfc_set_mc_addr_list,
1525 .rxq_info_get = sfc_rx_queue_info_get,
1526 .txq_info_get = sfc_tx_queue_info_get,
1527 .fw_version_get = sfc_fw_version_get,
1528 .xstats_get_by_id = sfc_xstats_get_by_id,
1529 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1533 * Duplicate a string in potentially shared memory required for
1534 * multi-process support.
1536 * strdup() allocates from process-local heap/memory.
1539 sfc_strdup(const char *str)
1547 size = strlen(str) + 1;
1548 copy = rte_malloc(__func__, size, 0);
1550 rte_memcpy(copy, str, size);
1556 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1558 struct sfc_adapter *sa = dev->data->dev_private;
1559 unsigned int avail_caps = 0;
1560 const char *rx_name = NULL;
1561 const char *tx_name = NULL;
1564 switch (sa->family) {
1565 case EFX_FAMILY_HUNTINGTON:
1566 case EFX_FAMILY_MEDFORD:
1567 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1573 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1574 sfc_kvarg_string_handler, &rx_name);
1576 goto fail_kvarg_rx_datapath;
1578 if (rx_name != NULL) {
1579 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1580 if (sa->dp_rx == NULL) {
1581 sfc_err(sa, "Rx datapath %s not found", rx_name);
1585 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
1587 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1590 goto fail_dp_rx_caps;
1593 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1594 if (sa->dp_rx == NULL) {
1595 sfc_err(sa, "Rx datapath by caps %#x not found",
1602 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name);
1603 if (sa->dp_rx_name == NULL) {
1605 goto fail_dp_rx_name;
1608 sfc_info(sa, "use %s Rx datapath", sa->dp_rx_name);
1610 dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
1612 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1613 sfc_kvarg_string_handler, &tx_name);
1615 goto fail_kvarg_tx_datapath;
1617 if (tx_name != NULL) {
1618 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1619 if (sa->dp_tx == NULL) {
1620 sfc_err(sa, "Tx datapath %s not found", tx_name);
1624 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
1626 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1629 goto fail_dp_tx_caps;
1632 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1633 if (sa->dp_tx == NULL) {
1634 sfc_err(sa, "Tx datapath by caps %#x not found",
1641 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name);
1642 if (sa->dp_tx_name == NULL) {
1644 goto fail_dp_tx_name;
1647 sfc_info(sa, "use %s Tx datapath", sa->dp_tx_name);
1649 dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
1651 dev->dev_ops = &sfc_eth_dev_ops;
1660 fail_kvarg_tx_datapath:
1661 rte_free(sa->dp_rx_name);
1662 sa->dp_rx_name = NULL;
1669 fail_kvarg_rx_datapath:
1674 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
1676 struct sfc_adapter *sa = dev->data->dev_private;
1678 dev->dev_ops = NULL;
1679 dev->rx_pkt_burst = NULL;
1680 dev->tx_pkt_burst = NULL;
1682 rte_free(sa->dp_tx_name);
1683 sa->dp_tx_name = NULL;
1686 rte_free(sa->dp_rx_name);
1687 sa->dp_rx_name = NULL;
1691 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
1692 .rxq_info_get = sfc_rx_queue_info_get,
1693 .txq_info_get = sfc_tx_queue_info_get,
1697 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev)
1700 * Device private data has really many process-local pointers.
1701 * Below code should be extremely careful to use data located
1702 * in shared memory only.
1704 struct sfc_adapter *sa = dev->data->dev_private;
1705 const struct sfc_dp_rx *dp_rx;
1706 const struct sfc_dp_tx *dp_tx;
1709 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name);
1710 if (dp_rx == NULL) {
1711 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name);
1715 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
1716 sfc_err(sa, "%s Rx datapath does not support multi-process",
1719 goto fail_dp_rx_multi_process;
1722 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name);
1723 if (dp_tx == NULL) {
1724 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name);
1728 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
1729 sfc_err(sa, "%s Tx datapath does not support multi-process",
1732 goto fail_dp_tx_multi_process;
1735 dev->rx_pkt_burst = dp_rx->pkt_burst;
1736 dev->tx_pkt_burst = dp_tx->pkt_burst;
1737 dev->dev_ops = &sfc_eth_dev_secondary_ops;
1741 fail_dp_tx_multi_process:
1743 fail_dp_rx_multi_process:
1749 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
1751 dev->dev_ops = NULL;
1752 dev->tx_pkt_burst = NULL;
1753 dev->rx_pkt_burst = NULL;
1757 sfc_register_dp(void)
1760 if (TAILQ_EMPTY(&sfc_dp_head)) {
1761 /* Prefer EF10 datapath */
1762 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
1763 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
1765 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
1766 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
1767 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
1772 sfc_eth_dev_init(struct rte_eth_dev *dev)
1774 struct sfc_adapter *sa = dev->data->dev_private;
1775 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1777 const efx_nic_cfg_t *encp;
1778 const struct ether_addr *from;
1782 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1783 return -sfc_eth_dev_secondary_set_ops(dev);
1785 /* Required for logging */
1786 sa->pci_addr = pci_dev->addr;
1787 sa->port_id = dev->data->port_id;
1791 /* Copy PCI device info to the dev->data */
1792 rte_eth_copy_pci_info(dev, pci_dev);
1794 rc = sfc_kvargs_parse(sa);
1796 goto fail_kvargs_parse;
1798 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
1799 sfc_kvarg_bool_handler, &sa->debug_init);
1801 goto fail_kvarg_debug_init;
1803 sfc_log_init(sa, "entry");
1805 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1806 if (dev->data->mac_addrs == NULL) {
1808 goto fail_mac_addrs;
1811 sfc_adapter_lock_init(sa);
1812 sfc_adapter_lock(sa);
1814 sfc_log_init(sa, "probing");
1819 sfc_log_init(sa, "set device ops");
1820 rc = sfc_eth_dev_set_ops(dev);
1824 sfc_log_init(sa, "attaching");
1825 rc = sfc_attach(sa);
1829 encp = efx_nic_cfg_get(sa->nic);
1832 * The arguments are really reverse order in comparison to
1833 * Linux kernel. Copy from NIC config to Ethernet device data.
1835 from = (const struct ether_addr *)(encp->enc_mac_addr);
1836 ether_addr_copy(from, &dev->data->mac_addrs[0]);
1838 sfc_adapter_unlock(sa);
1840 sfc_log_init(sa, "done");
1844 sfc_eth_dev_clear_ops(dev);
1850 sfc_adapter_unlock(sa);
1851 sfc_adapter_lock_fini(sa);
1852 rte_free(dev->data->mac_addrs);
1853 dev->data->mac_addrs = NULL;
1856 fail_kvarg_debug_init:
1857 sfc_kvargs_cleanup(sa);
1860 sfc_log_init(sa, "failed %d", rc);
1866 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
1868 struct sfc_adapter *sa;
1870 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1871 sfc_eth_dev_secondary_clear_ops(dev);
1875 sa = dev->data->dev_private;
1876 sfc_log_init(sa, "entry");
1878 sfc_adapter_lock(sa);
1880 sfc_eth_dev_clear_ops(dev);
1885 rte_free(dev->data->mac_addrs);
1886 dev->data->mac_addrs = NULL;
1888 sfc_kvargs_cleanup(sa);
1890 sfc_adapter_unlock(sa);
1891 sfc_adapter_lock_fini(sa);
1893 sfc_log_init(sa, "done");
1895 /* Required for logging, so cleanup last */
1900 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
1901 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
1902 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
1903 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
1904 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
1905 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
1906 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
1907 { .vendor_id = 0 /* sentinel */ }
1910 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1911 struct rte_pci_device *pci_dev)
1913 return rte_eth_dev_pci_generic_probe(pci_dev,
1914 sizeof(struct sfc_adapter), sfc_eth_dev_init);
1917 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
1919 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
1922 static struct rte_pci_driver sfc_efx_pmd = {
1923 .id_table = pci_id_sfc_efx_map,
1925 RTE_PCI_DRV_INTR_LSC |
1926 RTE_PCI_DRV_NEED_MAPPING,
1927 .probe = sfc_eth_dev_pci_probe,
1928 .remove = sfc_eth_dev_pci_remove,
1931 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
1932 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
1933 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
1934 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
1935 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
1936 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
1937 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
1938 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> "
1939 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
1940 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);