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->max_rx_pktlen = EFX_MAC_PDU_MAX;
94 /* Autonegotiation may be disabled */
95 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
96 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
97 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
98 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
99 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
100 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_25000FDX)
101 dev_info->speed_capa |= ETH_LINK_SPEED_25G;
102 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
103 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
104 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_50000FDX)
105 dev_info->speed_capa |= ETH_LINK_SPEED_50G;
106 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_100000FDX)
107 dev_info->speed_capa |= ETH_LINK_SPEED_100G;
109 dev_info->max_rx_queues = sa->rxq_max;
110 dev_info->max_tx_queues = sa->txq_max;
112 /* By default packets are dropped if no descriptors are available */
113 dev_info->default_rxconf.rx_drop_en = 1;
115 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa);
118 * rx_offload_capa includes both device and queue offloads since
119 * the latter may be requested on a per device basis which makes
120 * sense when some offloads are needed to be set on all queues.
122 dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) |
123 dev_info->rx_queue_offload_capa;
125 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa);
128 * tx_offload_capa includes both device and queue offloads since
129 * the latter may be requested on a per device basis which makes
130 * sense when some offloads are needed to be set on all queues.
132 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) |
133 dev_info->tx_queue_offload_capa;
135 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
136 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
138 dev_info->default_txconf.offloads |= txq_offloads_def;
140 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
141 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
142 !encp->enc_hw_tx_insert_vlan_enabled)
143 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
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;
162 /* Initialize to hardware limits */
163 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
164 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
165 /* The RXQ hardware requires that the descriptor count is a power
166 * of 2, but rx_desc_lim cannot properly describe that constraint.
168 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
170 /* Initialize to hardware limits */
171 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
172 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
174 * The TXQ hardware requires that the descriptor count is a power
175 * of 2, but tx_desc_lim cannot properly describe that constraint
177 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
179 if (sa->dp_rx->get_dev_info != NULL)
180 sa->dp_rx->get_dev_info(dev_info);
181 if (sa->dp_tx->get_dev_info != NULL)
182 sa->dp_tx->get_dev_info(dev_info);
185 static const uint32_t *
186 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
188 struct sfc_adapter *sa = dev->data->dev_private;
189 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
190 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported;
192 return sa->dp_rx->supported_ptypes_get(tunnel_encaps);
196 sfc_dev_configure(struct rte_eth_dev *dev)
198 struct rte_eth_dev_data *dev_data = dev->data;
199 struct sfc_adapter *sa = dev_data->dev_private;
202 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
203 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
205 sfc_adapter_lock(sa);
207 case SFC_ADAPTER_CONFIGURED:
209 case SFC_ADAPTER_INITIALIZED:
210 rc = sfc_configure(sa);
213 sfc_err(sa, "unexpected adapter state %u to configure",
218 sfc_adapter_unlock(sa);
220 sfc_log_init(sa, "done %d", rc);
226 sfc_dev_start(struct rte_eth_dev *dev)
228 struct sfc_adapter *sa = dev->data->dev_private;
231 sfc_log_init(sa, "entry");
233 sfc_adapter_lock(sa);
235 sfc_adapter_unlock(sa);
237 sfc_log_init(sa, "done %d", rc);
243 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
245 struct sfc_adapter *sa = dev->data->dev_private;
246 struct rte_eth_link current_link;
249 sfc_log_init(sa, "entry");
251 if (sa->state != SFC_ADAPTER_STARTED) {
252 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
253 } else if (wait_to_complete) {
254 efx_link_mode_t link_mode;
256 if (efx_port_poll(sa->nic, &link_mode) != 0)
257 link_mode = EFX_LINK_UNKNOWN;
258 sfc_port_link_mode_to_info(link_mode, ¤t_link);
261 sfc_ev_mgmt_qpoll(sa);
262 rte_eth_linkstatus_get(dev, ¤t_link);
265 ret = rte_eth_linkstatus_set(dev, ¤t_link);
267 sfc_notice(sa, "Link status is %s",
268 current_link.link_status ? "UP" : "DOWN");
274 sfc_dev_stop(struct rte_eth_dev *dev)
276 struct sfc_adapter *sa = dev->data->dev_private;
278 sfc_log_init(sa, "entry");
280 sfc_adapter_lock(sa);
282 sfc_adapter_unlock(sa);
284 sfc_log_init(sa, "done");
288 sfc_dev_set_link_up(struct rte_eth_dev *dev)
290 struct sfc_adapter *sa = dev->data->dev_private;
293 sfc_log_init(sa, "entry");
295 sfc_adapter_lock(sa);
297 sfc_adapter_unlock(sa);
304 sfc_dev_set_link_down(struct rte_eth_dev *dev)
306 struct sfc_adapter *sa = dev->data->dev_private;
308 sfc_log_init(sa, "entry");
310 sfc_adapter_lock(sa);
312 sfc_adapter_unlock(sa);
318 sfc_dev_close(struct rte_eth_dev *dev)
320 struct sfc_adapter *sa = dev->data->dev_private;
322 sfc_log_init(sa, "entry");
324 sfc_adapter_lock(sa);
326 case SFC_ADAPTER_STARTED:
328 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
330 case SFC_ADAPTER_CONFIGURED:
332 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
334 case SFC_ADAPTER_INITIALIZED:
337 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
340 sfc_adapter_unlock(sa);
342 sfc_log_init(sa, "done");
346 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
349 struct sfc_port *port;
351 struct sfc_adapter *sa = dev->data->dev_private;
352 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
353 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
355 sfc_adapter_lock(sa);
358 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
360 if (*toggle != enabled) {
363 if (port->isolated) {
364 sfc_warn(sa, "isolated mode is active on the port");
365 sfc_warn(sa, "the change is to be applied on the next "
366 "start provided that isolated mode is "
367 "disabled prior the next start");
368 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
369 (sfc_set_rx_mode(sa) != 0)) {
370 *toggle = !(enabled);
371 sfc_warn(sa, "Failed to %s %s mode",
372 ((enabled) ? "enable" : "disable"), desc);
376 sfc_adapter_unlock(sa);
380 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
382 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
386 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
388 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
392 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
394 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
398 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
400 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
404 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
405 uint16_t nb_rx_desc, unsigned int socket_id,
406 const struct rte_eth_rxconf *rx_conf,
407 struct rte_mempool *mb_pool)
409 struct sfc_adapter *sa = dev->data->dev_private;
412 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
413 rx_queue_id, nb_rx_desc, socket_id);
415 sfc_adapter_lock(sa);
417 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
422 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
424 sfc_adapter_unlock(sa);
429 sfc_adapter_unlock(sa);
435 sfc_rx_queue_release(void *queue)
437 struct sfc_dp_rxq *dp_rxq = queue;
439 struct sfc_adapter *sa;
440 unsigned int sw_index;
445 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
447 sfc_adapter_lock(sa);
449 sw_index = sfc_rxq_sw_index(rxq);
451 sfc_log_init(sa, "RxQ=%u", sw_index);
453 sa->eth_dev->data->rx_queues[sw_index] = NULL;
455 sfc_rx_qfini(sa, sw_index);
457 sfc_adapter_unlock(sa);
461 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
462 uint16_t nb_tx_desc, unsigned int socket_id,
463 const struct rte_eth_txconf *tx_conf)
465 struct sfc_adapter *sa = dev->data->dev_private;
468 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
469 tx_queue_id, nb_tx_desc, socket_id);
471 sfc_adapter_lock(sa);
473 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
477 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
479 sfc_adapter_unlock(sa);
483 sfc_adapter_unlock(sa);
489 sfc_tx_queue_release(void *queue)
491 struct sfc_dp_txq *dp_txq = queue;
493 unsigned int sw_index;
494 struct sfc_adapter *sa;
499 txq = sfc_txq_by_dp_txq(dp_txq);
500 sw_index = sfc_txq_sw_index(txq);
502 SFC_ASSERT(txq->evq != NULL);
505 sfc_log_init(sa, "TxQ = %u", sw_index);
507 sfc_adapter_lock(sa);
509 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
510 sa->eth_dev->data->tx_queues[sw_index] = NULL;
512 sfc_tx_qfini(sa, sw_index);
514 sfc_adapter_unlock(sa);
518 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
520 struct sfc_adapter *sa = dev->data->dev_private;
521 struct sfc_port *port = &sa->port;
525 rte_spinlock_lock(&port->mac_stats_lock);
527 ret = sfc_port_update_mac_stats(sa);
531 mac_stats = port->mac_stats_buf;
533 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
534 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
536 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
537 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
538 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
540 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
541 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
542 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
544 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
545 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
546 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
548 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
549 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
550 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
551 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
552 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
553 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
555 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
556 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
557 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
558 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
560 * Take into account stats which are whenever supported
561 * on EF10. If some stat is not supported by current
562 * firmware variant or HW revision, it is guaranteed
563 * to be zero in mac_stats.
566 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
567 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
568 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
569 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
570 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
571 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
572 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
573 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
574 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
575 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
577 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
578 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
579 mac_stats[EFX_MAC_RX_JABBER_PKTS];
580 /* no oerrors counters supported on EF10 */
584 rte_spinlock_unlock(&port->mac_stats_lock);
585 SFC_ASSERT(ret >= 0);
590 sfc_stats_reset(struct rte_eth_dev *dev)
592 struct sfc_adapter *sa = dev->data->dev_private;
593 struct sfc_port *port = &sa->port;
596 if (sa->state != SFC_ADAPTER_STARTED) {
598 * The operation cannot be done if port is not started; it
599 * will be scheduled to be done during the next port start
601 port->mac_stats_reset_pending = B_TRUE;
605 rc = sfc_port_reset_mac_stats(sa);
607 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
611 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
612 unsigned int xstats_count)
614 struct sfc_adapter *sa = dev->data->dev_private;
615 struct sfc_port *port = &sa->port;
621 rte_spinlock_lock(&port->mac_stats_lock);
623 rc = sfc_port_update_mac_stats(sa);
630 mac_stats = port->mac_stats_buf;
632 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
633 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
634 if (xstats != NULL && nstats < (int)xstats_count) {
635 xstats[nstats].id = nstats;
636 xstats[nstats].value = mac_stats[i];
643 rte_spinlock_unlock(&port->mac_stats_lock);
649 sfc_xstats_get_names(struct rte_eth_dev *dev,
650 struct rte_eth_xstat_name *xstats_names,
651 unsigned int xstats_count)
653 struct sfc_adapter *sa = dev->data->dev_private;
654 struct sfc_port *port = &sa->port;
656 unsigned int nstats = 0;
658 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
659 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
660 if (xstats_names != NULL && nstats < xstats_count)
661 strncpy(xstats_names[nstats].name,
662 efx_mac_stat_name(sa->nic, i),
663 sizeof(xstats_names[0].name));
672 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
673 uint64_t *values, unsigned int n)
675 struct sfc_adapter *sa = dev->data->dev_private;
676 struct sfc_port *port = &sa->port;
678 unsigned int nb_supported = 0;
679 unsigned int nb_written = 0;
684 if (unlikely(values == NULL) ||
685 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
686 return port->mac_stats_nb_supported;
688 rte_spinlock_lock(&port->mac_stats_lock);
690 rc = sfc_port_update_mac_stats(sa);
697 mac_stats = port->mac_stats_buf;
699 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
700 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
703 if ((ids == NULL) || (ids[nb_written] == nb_supported))
704 values[nb_written++] = mac_stats[i];
712 rte_spinlock_unlock(&port->mac_stats_lock);
718 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
719 struct rte_eth_xstat_name *xstats_names,
720 const uint64_t *ids, unsigned int size)
722 struct sfc_adapter *sa = dev->data->dev_private;
723 struct sfc_port *port = &sa->port;
724 unsigned int nb_supported = 0;
725 unsigned int nb_written = 0;
728 if (unlikely(xstats_names == NULL) ||
729 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
730 return port->mac_stats_nb_supported;
732 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
733 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
736 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
737 char *name = xstats_names[nb_written++].name;
739 strncpy(name, efx_mac_stat_name(sa->nic, i),
740 sizeof(xstats_names[0].name));
741 name[sizeof(xstats_names[0].name) - 1] = '\0';
751 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
753 struct sfc_adapter *sa = dev->data->dev_private;
754 unsigned int wanted_fc, link_fc;
756 memset(fc_conf, 0, sizeof(*fc_conf));
758 sfc_adapter_lock(sa);
760 if (sa->state == SFC_ADAPTER_STARTED)
761 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
763 link_fc = sa->port.flow_ctrl;
767 fc_conf->mode = RTE_FC_NONE;
769 case EFX_FCNTL_RESPOND:
770 fc_conf->mode = RTE_FC_RX_PAUSE;
772 case EFX_FCNTL_GENERATE:
773 fc_conf->mode = RTE_FC_TX_PAUSE;
775 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
776 fc_conf->mode = RTE_FC_FULL;
779 sfc_err(sa, "%s: unexpected flow control value %#x",
783 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
785 sfc_adapter_unlock(sa);
791 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
793 struct sfc_adapter *sa = dev->data->dev_private;
794 struct sfc_port *port = &sa->port;
798 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
799 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
800 fc_conf->mac_ctrl_frame_fwd != 0) {
801 sfc_err(sa, "unsupported flow control settings specified");
806 switch (fc_conf->mode) {
810 case RTE_FC_RX_PAUSE:
811 fcntl = EFX_FCNTL_RESPOND;
813 case RTE_FC_TX_PAUSE:
814 fcntl = EFX_FCNTL_GENERATE;
817 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
824 sfc_adapter_lock(sa);
826 if (sa->state == SFC_ADAPTER_STARTED) {
827 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
829 goto fail_mac_fcntl_set;
832 port->flow_ctrl = fcntl;
833 port->flow_ctrl_autoneg = fc_conf->autoneg;
835 sfc_adapter_unlock(sa);
840 sfc_adapter_unlock(sa);
847 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
849 struct sfc_adapter *sa = dev->data->dev_private;
850 size_t pdu = EFX_MAC_PDU(mtu);
854 sfc_log_init(sa, "mtu=%u", mtu);
857 if (pdu < EFX_MAC_PDU_MIN) {
858 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
859 (unsigned int)mtu, (unsigned int)pdu,
863 if (pdu > EFX_MAC_PDU_MAX) {
864 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
865 (unsigned int)mtu, (unsigned int)pdu,
870 sfc_adapter_lock(sa);
872 if (pdu != sa->port.pdu) {
873 if (sa->state == SFC_ADAPTER_STARTED) {
876 old_pdu = sa->port.pdu;
887 * The driver does not use it, but other PMDs update jumbo_frame
888 * flag and max_rx_pkt_len when MTU is set.
890 if (mtu > ETHER_MAX_LEN) {
891 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
893 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
894 rxmode->jumbo_frame = 1;
897 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
899 sfc_adapter_unlock(sa);
901 sfc_log_init(sa, "done");
905 sa->port.pdu = old_pdu;
906 if (sfc_start(sa) != 0)
907 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
908 "PDU max size - port is stopped",
909 (unsigned int)pdu, (unsigned int)old_pdu);
910 sfc_adapter_unlock(sa);
913 sfc_log_init(sa, "failed %d", rc);
918 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
920 struct sfc_adapter *sa = dev->data->dev_private;
921 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
922 struct sfc_port *port = &sa->port;
925 sfc_adapter_lock(sa);
928 * Copy the address to the device private data so that
929 * it could be recalled in the case of adapter restart.
931 ether_addr_copy(mac_addr, &port->default_mac_addr);
933 if (port->isolated) {
934 sfc_err(sa, "isolated mode is active on the port");
935 sfc_err(sa, "will not set MAC address");
939 if (sa->state != SFC_ADAPTER_STARTED) {
940 sfc_notice(sa, "the port is not started");
941 sfc_notice(sa, "the new MAC address will be set on port start");
946 if (encp->enc_allow_set_mac_with_installed_filters) {
947 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
949 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
954 * Changing the MAC address by means of MCDI request
955 * has no effect on received traffic, therefore
956 * we also need to update unicast filters
958 rc = sfc_set_rx_mode(sa);
960 sfc_err(sa, "cannot set filter (rc = %u)", rc);
962 sfc_warn(sa, "cannot set MAC address with filters installed");
963 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
964 sfc_warn(sa, "(some traffic may be dropped)");
967 * Since setting MAC address with filters installed is not
968 * allowed on the adapter, the new MAC address will be set
969 * by means of adapter restart. sfc_start() shall retrieve
970 * the new address from the device private data and set it.
975 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
980 * In the case of failure sa->port->default_mac_addr does not
981 * need rollback since no error code is returned, and the upper
982 * API will anyway update the external MAC address storage.
983 * To be consistent with that new value it is better to keep
984 * the device private value the same.
986 sfc_adapter_unlock(sa);
991 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
994 struct sfc_adapter *sa = dev->data->dev_private;
995 struct sfc_port *port = &sa->port;
996 uint8_t *mc_addrs = port->mcast_addrs;
1000 if (port->isolated) {
1001 sfc_err(sa, "isolated mode is active on the port");
1002 sfc_err(sa, "will not set multicast address list");
1006 if (mc_addrs == NULL)
1009 if (nb_mc_addr > port->max_mcast_addrs) {
1010 sfc_err(sa, "too many multicast addresses: %u > %u",
1011 nb_mc_addr, port->max_mcast_addrs);
1015 for (i = 0; i < nb_mc_addr; ++i) {
1016 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1018 mc_addrs += EFX_MAC_ADDR_LEN;
1021 port->nb_mcast_addrs = nb_mc_addr;
1023 if (sa->state != SFC_ADAPTER_STARTED)
1026 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1027 port->nb_mcast_addrs);
1029 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1036 * The function is used by the secondary process as well. It must not
1037 * use any process-local pointers from the adapter data.
1040 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1041 struct rte_eth_rxq_info *qinfo)
1043 struct sfc_adapter *sa = dev->data->dev_private;
1044 struct sfc_rxq_info *rxq_info;
1045 struct sfc_rxq *rxq;
1047 sfc_adapter_lock(sa);
1049 SFC_ASSERT(rx_queue_id < sa->rxq_count);
1051 rxq_info = &sa->rxq_info[rx_queue_id];
1052 rxq = rxq_info->rxq;
1053 SFC_ASSERT(rxq != NULL);
1055 qinfo->mp = rxq->refill_mb_pool;
1056 qinfo->conf.rx_free_thresh = rxq->refill_threshold;
1057 qinfo->conf.rx_drop_en = 1;
1058 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1059 qinfo->conf.offloads = DEV_RX_OFFLOAD_IPV4_CKSUM |
1060 DEV_RX_OFFLOAD_UDP_CKSUM |
1061 DEV_RX_OFFLOAD_TCP_CKSUM;
1062 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1063 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1064 qinfo->scattered_rx = 1;
1066 qinfo->nb_desc = rxq_info->entries;
1068 sfc_adapter_unlock(sa);
1072 * The function is used by the secondary process as well. It must not
1073 * use any process-local pointers from the adapter data.
1076 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1077 struct rte_eth_txq_info *qinfo)
1079 struct sfc_adapter *sa = dev->data->dev_private;
1080 struct sfc_txq_info *txq_info;
1082 sfc_adapter_lock(sa);
1084 SFC_ASSERT(tx_queue_id < sa->txq_count);
1086 txq_info = &sa->txq_info[tx_queue_id];
1087 SFC_ASSERT(txq_info->txq != NULL);
1089 memset(qinfo, 0, sizeof(*qinfo));
1091 qinfo->conf.txq_flags = txq_info->txq->flags;
1092 qinfo->conf.offloads = txq_info->txq->offloads;
1093 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
1094 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1095 qinfo->nb_desc = txq_info->entries;
1097 sfc_adapter_unlock(sa);
1101 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1103 struct sfc_adapter *sa = dev->data->dev_private;
1105 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1107 return sfc_rx_qdesc_npending(sa, rx_queue_id);
1111 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1113 struct sfc_dp_rxq *dp_rxq = queue;
1115 return sfc_rx_qdesc_done(dp_rxq, offset);
1119 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1121 struct sfc_dp_rxq *dp_rxq = queue;
1122 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
1124 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset);
1128 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1130 struct sfc_dp_txq *dp_txq = queue;
1131 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq);
1133 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset);
1137 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1139 struct sfc_adapter *sa = dev->data->dev_private;
1142 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1144 sfc_adapter_lock(sa);
1147 if (sa->state != SFC_ADAPTER_STARTED)
1148 goto fail_not_started;
1150 rc = sfc_rx_qstart(sa, rx_queue_id);
1152 goto fail_rx_qstart;
1154 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
1156 sfc_adapter_unlock(sa);
1162 sfc_adapter_unlock(sa);
1168 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1170 struct sfc_adapter *sa = dev->data->dev_private;
1172 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1174 sfc_adapter_lock(sa);
1175 sfc_rx_qstop(sa, rx_queue_id);
1177 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
1179 sfc_adapter_unlock(sa);
1185 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1187 struct sfc_adapter *sa = dev->data->dev_private;
1190 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1192 sfc_adapter_lock(sa);
1195 if (sa->state != SFC_ADAPTER_STARTED)
1196 goto fail_not_started;
1198 rc = sfc_tx_qstart(sa, tx_queue_id);
1200 goto fail_tx_qstart;
1202 sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
1204 sfc_adapter_unlock(sa);
1210 sfc_adapter_unlock(sa);
1216 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1218 struct sfc_adapter *sa = dev->data->dev_private;
1220 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1222 sfc_adapter_lock(sa);
1224 sfc_tx_qstop(sa, tx_queue_id);
1226 sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
1228 sfc_adapter_unlock(sa);
1232 static efx_tunnel_protocol_t
1233 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1236 case RTE_TUNNEL_TYPE_VXLAN:
1237 return EFX_TUNNEL_PROTOCOL_VXLAN;
1238 case RTE_TUNNEL_TYPE_GENEVE:
1239 return EFX_TUNNEL_PROTOCOL_GENEVE;
1241 return EFX_TUNNEL_NPROTOS;
1245 enum sfc_udp_tunnel_op_e {
1246 SFC_UDP_TUNNEL_ADD_PORT,
1247 SFC_UDP_TUNNEL_DEL_PORT,
1251 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1252 struct rte_eth_udp_tunnel *tunnel_udp,
1253 enum sfc_udp_tunnel_op_e op)
1255 struct sfc_adapter *sa = dev->data->dev_private;
1256 efx_tunnel_protocol_t tunnel_proto;
1259 sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1260 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1261 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1262 tunnel_udp->udp_port, tunnel_udp->prot_type);
1265 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1266 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1268 goto fail_bad_proto;
1271 sfc_adapter_lock(sa);
1274 case SFC_UDP_TUNNEL_ADD_PORT:
1275 rc = efx_tunnel_config_udp_add(sa->nic,
1276 tunnel_udp->udp_port,
1279 case SFC_UDP_TUNNEL_DEL_PORT:
1280 rc = efx_tunnel_config_udp_remove(sa->nic,
1281 tunnel_udp->udp_port,
1292 if (sa->state == SFC_ADAPTER_STARTED) {
1293 rc = efx_tunnel_reconfigure(sa->nic);
1296 * Configuration is accepted by FW and MC reboot
1297 * is initiated to apply the changes. MC reboot
1298 * will be handled in a usual way (MC reboot
1299 * event on management event queue and adapter
1303 } else if (rc != 0) {
1304 goto fail_reconfigure;
1308 sfc_adapter_unlock(sa);
1312 /* Remove/restore entry since the change makes the trouble */
1314 case SFC_UDP_TUNNEL_ADD_PORT:
1315 (void)efx_tunnel_config_udp_remove(sa->nic,
1316 tunnel_udp->udp_port,
1319 case SFC_UDP_TUNNEL_DEL_PORT:
1320 (void)efx_tunnel_config_udp_add(sa->nic,
1321 tunnel_udp->udp_port,
1328 sfc_adapter_unlock(sa);
1336 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1337 struct rte_eth_udp_tunnel *tunnel_udp)
1339 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1343 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1344 struct rte_eth_udp_tunnel *tunnel_udp)
1346 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1349 #if EFSYS_OPT_RX_SCALE
1351 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1352 struct rte_eth_rss_conf *rss_conf)
1354 struct sfc_adapter *sa = dev->data->dev_private;
1355 struct sfc_port *port = &sa->port;
1357 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1360 if (sa->rss_channels == 0)
1363 sfc_adapter_lock(sa);
1366 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1367 * hence, conversion is done here to derive a correct set of ETH_RSS
1368 * flags which corresponds to the active EFX configuration stored
1369 * locally in 'sfc_adapter' and kept up-to-date
1371 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
1372 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1373 if (rss_conf->rss_key != NULL)
1374 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE);
1376 sfc_adapter_unlock(sa);
1382 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1383 struct rte_eth_rss_conf *rss_conf)
1385 struct sfc_adapter *sa = dev->data->dev_private;
1386 struct sfc_port *port = &sa->port;
1387 unsigned int efx_hash_types;
1393 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1394 sfc_err(sa, "RSS is not available");
1398 if (sa->rss_channels == 0) {
1399 sfc_err(sa, "RSS is not configured");
1403 if ((rss_conf->rss_key != NULL) &&
1404 (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
1405 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1406 sizeof(sa->rss_key));
1410 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
1411 sfc_err(sa, "unsupported hash functions requested");
1415 sfc_adapter_lock(sa);
1417 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
1419 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1420 EFX_RX_HASHALG_TOEPLITZ,
1421 efx_hash_types, B_TRUE);
1423 goto fail_scale_mode_set;
1425 if (rss_conf->rss_key != NULL) {
1426 if (sa->state == SFC_ADAPTER_STARTED) {
1427 rc = efx_rx_scale_key_set(sa->nic,
1428 EFX_RSS_CONTEXT_DEFAULT,
1430 sizeof(sa->rss_key));
1432 goto fail_scale_key_set;
1435 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
1438 sa->rss_hash_types = efx_hash_types;
1440 sfc_adapter_unlock(sa);
1445 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1446 EFX_RX_HASHALG_TOEPLITZ,
1447 sa->rss_hash_types, B_TRUE) != 0)
1448 sfc_err(sa, "failed to restore RSS mode");
1450 fail_scale_mode_set:
1451 sfc_adapter_unlock(sa);
1456 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1457 struct rte_eth_rss_reta_entry64 *reta_conf,
1460 struct sfc_adapter *sa = dev->data->dev_private;
1461 struct sfc_port *port = &sa->port;
1464 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1467 if (sa->rss_channels == 0)
1470 if (reta_size != EFX_RSS_TBL_SIZE)
1473 sfc_adapter_lock(sa);
1475 for (entry = 0; entry < reta_size; entry++) {
1476 int grp = entry / RTE_RETA_GROUP_SIZE;
1477 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1479 if ((reta_conf[grp].mask >> grp_idx) & 1)
1480 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
1483 sfc_adapter_unlock(sa);
1489 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1490 struct rte_eth_rss_reta_entry64 *reta_conf,
1493 struct sfc_adapter *sa = dev->data->dev_private;
1494 struct sfc_port *port = &sa->port;
1495 unsigned int *rss_tbl_new;
1503 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1504 sfc_err(sa, "RSS is not available");
1508 if (sa->rss_channels == 0) {
1509 sfc_err(sa, "RSS is not configured");
1513 if (reta_size != EFX_RSS_TBL_SIZE) {
1514 sfc_err(sa, "RETA size is wrong (should be %u)",
1519 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
1520 if (rss_tbl_new == NULL)
1523 sfc_adapter_lock(sa);
1525 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
1527 for (entry = 0; entry < reta_size; entry++) {
1528 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1529 struct rte_eth_rss_reta_entry64 *grp;
1531 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1533 if (grp->mask & (1ull << grp_idx)) {
1534 if (grp->reta[grp_idx] >= sa->rss_channels) {
1536 goto bad_reta_entry;
1538 rss_tbl_new[entry] = grp->reta[grp_idx];
1542 if (sa->state == SFC_ADAPTER_STARTED) {
1543 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1544 rss_tbl_new, EFX_RSS_TBL_SIZE);
1546 goto fail_scale_tbl_set;
1549 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
1553 sfc_adapter_unlock(sa);
1555 rte_free(rss_tbl_new);
1557 SFC_ASSERT(rc >= 0);
1563 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
1564 enum rte_filter_op filter_op,
1567 struct sfc_adapter *sa = dev->data->dev_private;
1570 sfc_log_init(sa, "entry");
1572 switch (filter_type) {
1573 case RTE_ETH_FILTER_NONE:
1574 sfc_err(sa, "Global filters configuration not supported");
1576 case RTE_ETH_FILTER_MACVLAN:
1577 sfc_err(sa, "MACVLAN filters not supported");
1579 case RTE_ETH_FILTER_ETHERTYPE:
1580 sfc_err(sa, "EtherType filters not supported");
1582 case RTE_ETH_FILTER_FLEXIBLE:
1583 sfc_err(sa, "Flexible filters not supported");
1585 case RTE_ETH_FILTER_SYN:
1586 sfc_err(sa, "SYN filters not supported");
1588 case RTE_ETH_FILTER_NTUPLE:
1589 sfc_err(sa, "NTUPLE filters not supported");
1591 case RTE_ETH_FILTER_TUNNEL:
1592 sfc_err(sa, "Tunnel filters not supported");
1594 case RTE_ETH_FILTER_FDIR:
1595 sfc_err(sa, "Flow Director filters not supported");
1597 case RTE_ETH_FILTER_HASH:
1598 sfc_err(sa, "Hash filters not supported");
1600 case RTE_ETH_FILTER_GENERIC:
1601 if (filter_op != RTE_ETH_FILTER_GET) {
1604 *(const void **)arg = &sfc_flow_ops;
1609 sfc_err(sa, "Unknown filter type %u", filter_type);
1613 sfc_log_init(sa, "exit: %d", -rc);
1614 SFC_ASSERT(rc >= 0);
1618 static const struct eth_dev_ops sfc_eth_dev_ops = {
1619 .dev_configure = sfc_dev_configure,
1620 .dev_start = sfc_dev_start,
1621 .dev_stop = sfc_dev_stop,
1622 .dev_set_link_up = sfc_dev_set_link_up,
1623 .dev_set_link_down = sfc_dev_set_link_down,
1624 .dev_close = sfc_dev_close,
1625 .promiscuous_enable = sfc_dev_promisc_enable,
1626 .promiscuous_disable = sfc_dev_promisc_disable,
1627 .allmulticast_enable = sfc_dev_allmulti_enable,
1628 .allmulticast_disable = sfc_dev_allmulti_disable,
1629 .link_update = sfc_dev_link_update,
1630 .stats_get = sfc_stats_get,
1631 .stats_reset = sfc_stats_reset,
1632 .xstats_get = sfc_xstats_get,
1633 .xstats_reset = sfc_stats_reset,
1634 .xstats_get_names = sfc_xstats_get_names,
1635 .dev_infos_get = sfc_dev_infos_get,
1636 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1637 .mtu_set = sfc_dev_set_mtu,
1638 .rx_queue_start = sfc_rx_queue_start,
1639 .rx_queue_stop = sfc_rx_queue_stop,
1640 .tx_queue_start = sfc_tx_queue_start,
1641 .tx_queue_stop = sfc_tx_queue_stop,
1642 .rx_queue_setup = sfc_rx_queue_setup,
1643 .rx_queue_release = sfc_rx_queue_release,
1644 .rx_queue_count = sfc_rx_queue_count,
1645 .rx_descriptor_done = sfc_rx_descriptor_done,
1646 .rx_descriptor_status = sfc_rx_descriptor_status,
1647 .tx_descriptor_status = sfc_tx_descriptor_status,
1648 .tx_queue_setup = sfc_tx_queue_setup,
1649 .tx_queue_release = sfc_tx_queue_release,
1650 .flow_ctrl_get = sfc_flow_ctrl_get,
1651 .flow_ctrl_set = sfc_flow_ctrl_set,
1652 .mac_addr_set = sfc_mac_addr_set,
1653 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add,
1654 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del,
1655 #if EFSYS_OPT_RX_SCALE
1656 .reta_update = sfc_dev_rss_reta_update,
1657 .reta_query = sfc_dev_rss_reta_query,
1658 .rss_hash_update = sfc_dev_rss_hash_update,
1659 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1661 .filter_ctrl = sfc_dev_filter_ctrl,
1662 .set_mc_addr_list = sfc_set_mc_addr_list,
1663 .rxq_info_get = sfc_rx_queue_info_get,
1664 .txq_info_get = sfc_tx_queue_info_get,
1665 .fw_version_get = sfc_fw_version_get,
1666 .xstats_get_by_id = sfc_xstats_get_by_id,
1667 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1671 * Duplicate a string in potentially shared memory required for
1672 * multi-process support.
1674 * strdup() allocates from process-local heap/memory.
1677 sfc_strdup(const char *str)
1685 size = strlen(str) + 1;
1686 copy = rte_malloc(__func__, size, 0);
1688 rte_memcpy(copy, str, size);
1694 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1696 struct sfc_adapter *sa = dev->data->dev_private;
1697 unsigned int avail_caps = 0;
1698 const char *rx_name = NULL;
1699 const char *tx_name = NULL;
1702 switch (sa->family) {
1703 case EFX_FAMILY_HUNTINGTON:
1704 case EFX_FAMILY_MEDFORD:
1705 case EFX_FAMILY_MEDFORD2:
1706 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1712 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1713 sfc_kvarg_string_handler, &rx_name);
1715 goto fail_kvarg_rx_datapath;
1717 if (rx_name != NULL) {
1718 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1719 if (sa->dp_rx == NULL) {
1720 sfc_err(sa, "Rx datapath %s not found", rx_name);
1724 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
1726 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1729 goto fail_dp_rx_caps;
1732 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1733 if (sa->dp_rx == NULL) {
1734 sfc_err(sa, "Rx datapath by caps %#x not found",
1741 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name);
1742 if (sa->dp_rx_name == NULL) {
1744 goto fail_dp_rx_name;
1747 sfc_notice(sa, "use %s Rx datapath", sa->dp_rx_name);
1749 dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
1751 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1752 sfc_kvarg_string_handler, &tx_name);
1754 goto fail_kvarg_tx_datapath;
1756 if (tx_name != NULL) {
1757 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1758 if (sa->dp_tx == NULL) {
1759 sfc_err(sa, "Tx datapath %s not found", tx_name);
1763 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
1765 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1768 goto fail_dp_tx_caps;
1771 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1772 if (sa->dp_tx == NULL) {
1773 sfc_err(sa, "Tx datapath by caps %#x not found",
1780 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name);
1781 if (sa->dp_tx_name == NULL) {
1783 goto fail_dp_tx_name;
1786 sfc_notice(sa, "use %s Tx datapath", sa->dp_tx_name);
1788 dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
1790 dev->dev_ops = &sfc_eth_dev_ops;
1799 fail_kvarg_tx_datapath:
1800 rte_free(sa->dp_rx_name);
1801 sa->dp_rx_name = NULL;
1808 fail_kvarg_rx_datapath:
1813 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
1815 struct sfc_adapter *sa = dev->data->dev_private;
1817 dev->dev_ops = NULL;
1818 dev->rx_pkt_burst = NULL;
1819 dev->tx_pkt_burst = NULL;
1821 rte_free(sa->dp_tx_name);
1822 sa->dp_tx_name = NULL;
1825 rte_free(sa->dp_rx_name);
1826 sa->dp_rx_name = NULL;
1830 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
1831 .rxq_info_get = sfc_rx_queue_info_get,
1832 .txq_info_get = sfc_tx_queue_info_get,
1836 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev)
1839 * Device private data has really many process-local pointers.
1840 * Below code should be extremely careful to use data located
1841 * in shared memory only.
1843 struct sfc_adapter *sa = dev->data->dev_private;
1844 const struct sfc_dp_rx *dp_rx;
1845 const struct sfc_dp_tx *dp_tx;
1848 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name);
1849 if (dp_rx == NULL) {
1850 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name);
1854 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
1855 sfc_err(sa, "%s Rx datapath does not support multi-process",
1858 goto fail_dp_rx_multi_process;
1861 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name);
1862 if (dp_tx == NULL) {
1863 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name);
1867 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
1868 sfc_err(sa, "%s Tx datapath does not support multi-process",
1871 goto fail_dp_tx_multi_process;
1874 dev->rx_pkt_burst = dp_rx->pkt_burst;
1875 dev->tx_pkt_burst = dp_tx->pkt_burst;
1876 dev->dev_ops = &sfc_eth_dev_secondary_ops;
1880 fail_dp_tx_multi_process:
1882 fail_dp_rx_multi_process:
1888 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
1890 dev->dev_ops = NULL;
1891 dev->tx_pkt_burst = NULL;
1892 dev->rx_pkt_burst = NULL;
1896 sfc_register_dp(void)
1899 if (TAILQ_EMPTY(&sfc_dp_head)) {
1900 /* Prefer EF10 datapath */
1901 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
1902 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
1904 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
1905 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
1906 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
1911 sfc_eth_dev_init(struct rte_eth_dev *dev)
1913 struct sfc_adapter *sa = dev->data->dev_private;
1914 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1916 const efx_nic_cfg_t *encp;
1917 const struct ether_addr *from;
1921 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1922 return -sfc_eth_dev_secondary_set_ops(dev);
1924 /* Required for logging */
1925 sa->pci_addr = pci_dev->addr;
1926 sa->port_id = dev->data->port_id;
1930 /* Copy PCI device info to the dev->data */
1931 rte_eth_copy_pci_info(dev, pci_dev);
1933 sa->logtype_main = sfc_register_logtype(sa, SFC_LOGTYPE_MAIN_STR,
1936 rc = sfc_kvargs_parse(sa);
1938 goto fail_kvargs_parse;
1940 sfc_log_init(sa, "entry");
1942 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1943 if (dev->data->mac_addrs == NULL) {
1945 goto fail_mac_addrs;
1948 sfc_adapter_lock_init(sa);
1949 sfc_adapter_lock(sa);
1951 sfc_log_init(sa, "probing");
1956 sfc_log_init(sa, "set device ops");
1957 rc = sfc_eth_dev_set_ops(dev);
1961 sfc_log_init(sa, "attaching");
1962 rc = sfc_attach(sa);
1966 encp = efx_nic_cfg_get(sa->nic);
1969 * The arguments are really reverse order in comparison to
1970 * Linux kernel. Copy from NIC config to Ethernet device data.
1972 from = (const struct ether_addr *)(encp->enc_mac_addr);
1973 ether_addr_copy(from, &dev->data->mac_addrs[0]);
1975 sfc_adapter_unlock(sa);
1977 sfc_log_init(sa, "done");
1981 sfc_eth_dev_clear_ops(dev);
1987 sfc_adapter_unlock(sa);
1988 sfc_adapter_lock_fini(sa);
1989 rte_free(dev->data->mac_addrs);
1990 dev->data->mac_addrs = NULL;
1993 sfc_kvargs_cleanup(sa);
1996 sfc_log_init(sa, "failed %d", rc);
2002 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
2004 struct sfc_adapter *sa;
2006 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2007 sfc_eth_dev_secondary_clear_ops(dev);
2011 sa = dev->data->dev_private;
2012 sfc_log_init(sa, "entry");
2014 sfc_adapter_lock(sa);
2016 sfc_eth_dev_clear_ops(dev);
2021 rte_free(dev->data->mac_addrs);
2022 dev->data->mac_addrs = NULL;
2024 sfc_kvargs_cleanup(sa);
2026 sfc_adapter_unlock(sa);
2027 sfc_adapter_lock_fini(sa);
2029 sfc_log_init(sa, "done");
2031 /* Required for logging, so cleanup last */
2036 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2037 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2038 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2039 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2040 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2041 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2042 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2043 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) },
2044 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) },
2045 { .vendor_id = 0 /* sentinel */ }
2048 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2049 struct rte_pci_device *pci_dev)
2051 return rte_eth_dev_pci_generic_probe(pci_dev,
2052 sizeof(struct sfc_adapter), sfc_eth_dev_init);
2055 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2057 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2060 static struct rte_pci_driver sfc_efx_pmd = {
2061 .id_table = pci_id_sfc_efx_map,
2063 RTE_PCI_DRV_INTR_LSC |
2064 RTE_PCI_DRV_NEED_MAPPING,
2065 .probe = sfc_eth_dev_pci_probe,
2066 .remove = sfc_eth_dev_pci_remove,
2069 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2070 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2071 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2072 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2073 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2074 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2075 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2076 SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " "
2077 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>");
2079 RTE_INIT(sfc_driver_register_logtype);
2081 sfc_driver_register_logtype(void)
2085 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver",
2087 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret;