1 /* SPDX-License-Identifier: BSD-3-Clause
3 * Copyright(c) 2019-2021 Xilinx, Inc.
4 * Copyright(c) 2016-2019 Solarflare Communications Inc.
6 * This software was jointly developed between OKTET Labs (under contract
7 * for Solarflare) and Solarflare Communications, Inc.
11 #include <ethdev_driver.h>
12 #include <ethdev_pci.h>
14 #include <rte_bus_pci.h>
15 #include <rte_errno.h>
16 #include <rte_string_fns.h>
17 #include <rte_ether.h>
22 #include "sfc_debug.h"
24 #include "sfc_kvargs.h"
30 #include "sfc_dp_rx.h"
32 #include "sfc_sw_stats.h"
34 #define SFC_XSTAT_ID_INVALID_VAL UINT64_MAX
35 #define SFC_XSTAT_ID_INVALID_NAME '\0'
37 uint32_t sfc_logtype_driver;
39 static struct sfc_dp_list sfc_dp_head =
40 TAILQ_HEAD_INITIALIZER(sfc_dp_head);
43 static void sfc_eth_dev_clear_ops(struct rte_eth_dev *dev);
47 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
49 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
50 efx_nic_fw_info_t enfi;
54 rc = efx_nic_get_fw_version(sa->nic, &enfi);
58 ret = snprintf(fw_version, fw_size,
59 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
60 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
61 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
65 if (enfi.enfi_dpcpu_fw_ids_valid) {
66 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
69 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
70 fw_size - dpcpu_fw_ids_offset,
71 " rx%" PRIx16 " tx%" PRIx16,
72 enfi.enfi_rx_dpcpu_fw_id,
73 enfi.enfi_tx_dpcpu_fw_id);
80 if (fw_size < (size_t)(++ret))
87 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
89 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
90 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
91 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
92 struct sfc_rss *rss = &sas->rss;
93 struct sfc_mae *mae = &sa->mae;
94 uint64_t txq_offloads_def = 0;
96 sfc_log_init(sa, "entry");
98 dev_info->min_mtu = RTE_ETHER_MIN_MTU;
99 dev_info->max_mtu = EFX_MAC_SDU_MAX;
101 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
103 dev_info->max_vfs = sa->sriov.num_vfs;
105 /* Autonegotiation may be disabled */
106 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
107 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_1000FDX))
108 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
109 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_10000FDX))
110 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
111 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_25000FDX))
112 dev_info->speed_capa |= ETH_LINK_SPEED_25G;
113 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_40000FDX))
114 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
115 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_50000FDX))
116 dev_info->speed_capa |= ETH_LINK_SPEED_50G;
117 if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_100000FDX))
118 dev_info->speed_capa |= ETH_LINK_SPEED_100G;
120 dev_info->max_rx_queues = sa->rxq_max;
121 dev_info->max_tx_queues = sa->txq_max;
123 /* By default packets are dropped if no descriptors are available */
124 dev_info->default_rxconf.rx_drop_en = 1;
126 dev_info->rx_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa);
129 * rx_offload_capa includes both device and queue offloads since
130 * the latter may be requested on a per device basis which makes
131 * sense when some offloads are needed to be set on all queues.
133 dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) |
134 dev_info->rx_queue_offload_capa;
136 dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa);
139 * tx_offload_capa includes both device and queue offloads since
140 * the latter may be requested on a per device basis which makes
141 * sense when some offloads are needed to be set on all queues.
143 dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) |
144 dev_info->tx_queue_offload_capa;
146 if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE)
147 txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE;
149 dev_info->default_txconf.offloads |= txq_offloads_def;
151 if (rss->context_type != EFX_RX_SCALE_UNAVAILABLE) {
155 for (i = 0; i < rss->hf_map_nb_entries; ++i)
156 rte_hf |= rss->hf_map[i].rte;
158 dev_info->reta_size = EFX_RSS_TBL_SIZE;
159 dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
160 dev_info->flow_type_rss_offloads = rte_hf;
163 /* Initialize to hardware limits */
164 dev_info->rx_desc_lim.nb_max = sa->rxq_max_entries;
165 dev_info->rx_desc_lim.nb_min = sa->rxq_min_entries;
166 /* The RXQ hardware requires that the descriptor count is a power
167 * of 2, but rx_desc_lim cannot properly describe that constraint.
169 dev_info->rx_desc_lim.nb_align = sa->rxq_min_entries;
171 /* Initialize to hardware limits */
172 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
173 dev_info->tx_desc_lim.nb_min = sa->txq_min_entries;
175 * The TXQ hardware requires that the descriptor count is a power
176 * of 2, but tx_desc_lim cannot properly describe that constraint
178 dev_info->tx_desc_lim.nb_align = sa->txq_min_entries;
180 if (sap->dp_rx->get_dev_info != NULL)
181 sap->dp_rx->get_dev_info(dev_info);
182 if (sap->dp_tx->get_dev_info != NULL)
183 sap->dp_tx->get_dev_info(dev_info);
185 dev_info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
186 RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
188 if (mae->status == SFC_MAE_STATUS_SUPPORTED) {
189 dev_info->switch_info.name = dev->device->driver->name;
190 dev_info->switch_info.domain_id = mae->switch_domain_id;
191 dev_info->switch_info.port_id = mae->switch_port_id;
197 static const uint32_t *
198 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
200 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
202 return sap->dp_rx->supported_ptypes_get(sap->shared->tunnel_encaps);
206 sfc_dev_configure(struct rte_eth_dev *dev)
208 struct rte_eth_dev_data *dev_data = dev->data;
209 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
212 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
213 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
215 sfc_adapter_lock(sa);
217 case SFC_ETHDEV_CONFIGURED:
219 case SFC_ETHDEV_INITIALIZED:
220 rc = sfc_configure(sa);
223 sfc_err(sa, "unexpected adapter state %u to configure",
228 sfc_adapter_unlock(sa);
230 sfc_log_init(sa, "done %d", rc);
236 sfc_dev_start(struct rte_eth_dev *dev)
238 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
241 sfc_log_init(sa, "entry");
243 sfc_adapter_lock(sa);
245 sfc_adapter_unlock(sa);
247 sfc_log_init(sa, "done %d", rc);
253 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
255 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
256 struct rte_eth_link current_link;
259 sfc_log_init(sa, "entry");
261 if (sa->state != SFC_ETHDEV_STARTED) {
262 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
263 } else if (wait_to_complete) {
264 efx_link_mode_t link_mode;
266 if (efx_port_poll(sa->nic, &link_mode) != 0)
267 link_mode = EFX_LINK_UNKNOWN;
268 sfc_port_link_mode_to_info(link_mode, ¤t_link);
271 sfc_ev_mgmt_qpoll(sa);
272 rte_eth_linkstatus_get(dev, ¤t_link);
275 ret = rte_eth_linkstatus_set(dev, ¤t_link);
277 sfc_notice(sa, "Link status is %s",
278 current_link.link_status ? "UP" : "DOWN");
284 sfc_dev_stop(struct rte_eth_dev *dev)
286 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
288 sfc_log_init(sa, "entry");
290 sfc_adapter_lock(sa);
292 sfc_adapter_unlock(sa);
294 sfc_log_init(sa, "done");
300 sfc_dev_set_link_up(struct rte_eth_dev *dev)
302 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
305 sfc_log_init(sa, "entry");
307 sfc_adapter_lock(sa);
309 sfc_adapter_unlock(sa);
316 sfc_dev_set_link_down(struct rte_eth_dev *dev)
318 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
320 sfc_log_init(sa, "entry");
322 sfc_adapter_lock(sa);
324 sfc_adapter_unlock(sa);
330 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
332 free(dev->process_private);
333 rte_eth_dev_release_port(dev);
337 sfc_dev_close(struct rte_eth_dev *dev)
339 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
341 sfc_log_init(sa, "entry");
343 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
344 sfc_eth_dev_secondary_clear_ops(dev);
350 sfc_adapter_lock(sa);
352 case SFC_ETHDEV_STARTED:
354 SFC_ASSERT(sa->state == SFC_ETHDEV_CONFIGURED);
356 case SFC_ETHDEV_CONFIGURED:
358 SFC_ASSERT(sa->state == SFC_ETHDEV_INITIALIZED);
360 case SFC_ETHDEV_INITIALIZED:
363 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
368 * Cleanup all resources.
369 * Rollback primary process sfc_eth_dev_init() below.
372 sfc_eth_dev_clear_ops(dev);
377 sfc_kvargs_cleanup(sa);
379 sfc_adapter_unlock(sa);
380 sfc_adapter_lock_fini(sa);
382 sfc_log_init(sa, "done");
384 /* Required for logging, so cleanup last */
393 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
396 struct sfc_port *port;
398 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
399 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
400 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
403 sfc_adapter_lock(sa);
406 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
408 if (*toggle != enabled) {
411 if (sfc_sa2shared(sa)->isolated) {
412 sfc_warn(sa, "isolated mode is active on the port");
413 sfc_warn(sa, "the change is to be applied on the next "
414 "start provided that isolated mode is "
415 "disabled prior the next start");
416 } else if ((sa->state == SFC_ETHDEV_STARTED) &&
417 ((rc = sfc_set_rx_mode(sa)) != 0)) {
418 *toggle = !(enabled);
419 sfc_warn(sa, "Failed to %s %s mode, rc = %d",
420 ((enabled) ? "enable" : "disable"), desc, rc);
423 * For promiscuous and all-multicast filters a
424 * permission failure should be reported as an
425 * unsupported filter.
432 sfc_adapter_unlock(sa);
437 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
439 int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
446 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
448 int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
455 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
457 int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
464 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
466 int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
473 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t ethdev_qid,
474 uint16_t nb_rx_desc, unsigned int socket_id,
475 const struct rte_eth_rxconf *rx_conf,
476 struct rte_mempool *mb_pool)
478 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
479 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
480 sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
481 struct sfc_rxq_info *rxq_info;
482 sfc_sw_index_t sw_index;
485 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
486 ethdev_qid, nb_rx_desc, socket_id);
488 sfc_adapter_lock(sa);
490 sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid);
491 rc = sfc_rx_qinit(sa, sw_index, nb_rx_desc, socket_id,
496 rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
497 dev->data->rx_queues[ethdev_qid] = rxq_info->dp;
499 sfc_adapter_unlock(sa);
504 sfc_adapter_unlock(sa);
510 sfc_rx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
512 struct sfc_dp_rxq *dp_rxq = dev->data->rx_queues[qid];
514 struct sfc_adapter *sa;
515 sfc_sw_index_t sw_index;
520 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
522 sfc_adapter_lock(sa);
524 sw_index = dp_rxq->dpq.queue_id;
526 sfc_log_init(sa, "RxQ=%u", sw_index);
528 sfc_rx_qfini(sa, sw_index);
530 sfc_adapter_unlock(sa);
534 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t ethdev_qid,
535 uint16_t nb_tx_desc, unsigned int socket_id,
536 const struct rte_eth_txconf *tx_conf)
538 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
539 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
540 struct sfc_txq_info *txq_info;
541 sfc_sw_index_t sw_index;
544 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
545 ethdev_qid, nb_tx_desc, socket_id);
547 sfc_adapter_lock(sa);
549 sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
550 rc = sfc_tx_qinit(sa, sw_index, nb_tx_desc, socket_id, tx_conf);
554 txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
555 dev->data->tx_queues[ethdev_qid] = txq_info->dp;
557 sfc_adapter_unlock(sa);
561 sfc_adapter_unlock(sa);
567 sfc_tx_queue_release(struct rte_eth_dev *dev, uint16_t qid)
569 struct sfc_dp_txq *dp_txq = dev->data->tx_queues[qid];
571 sfc_sw_index_t sw_index;
572 struct sfc_adapter *sa;
577 txq = sfc_txq_by_dp_txq(dp_txq);
578 sw_index = dp_txq->dpq.queue_id;
580 SFC_ASSERT(txq->evq != NULL);
583 sfc_log_init(sa, "TxQ = %u", sw_index);
585 sfc_adapter_lock(sa);
587 sfc_tx_qfini(sa, sw_index);
589 sfc_adapter_unlock(sa);
593 sfc_stats_get_dp_rx(struct sfc_adapter *sa, uint64_t *pkts, uint64_t *bytes)
595 struct sfc_adapter_shared *sas = sfc_sa2shared(sa);
596 uint64_t pkts_sum = 0;
597 uint64_t bytes_sum = 0;
600 for (i = 0; i < sas->ethdev_rxq_count; ++i) {
601 struct sfc_rxq_info *rxq_info;
603 rxq_info = sfc_rxq_info_by_ethdev_qid(sas, i);
604 if (rxq_info->state & SFC_RXQ_INITIALIZED) {
605 union sfc_pkts_bytes qstats;
607 sfc_pkts_bytes_get(&rxq_info->dp->dpq.stats, &qstats);
608 pkts_sum += qstats.pkts -
609 sa->sw_stats.reset_rx_pkts[i];
610 bytes_sum += qstats.bytes -
611 sa->sw_stats.reset_rx_bytes[i];
620 sfc_stats_get_dp_tx(struct sfc_adapter *sa, uint64_t *pkts, uint64_t *bytes)
622 struct sfc_adapter_shared *sas = sfc_sa2shared(sa);
623 uint64_t pkts_sum = 0;
624 uint64_t bytes_sum = 0;
627 for (i = 0; i < sas->ethdev_txq_count; ++i) {
628 struct sfc_txq_info *txq_info;
630 txq_info = sfc_txq_info_by_ethdev_qid(sas, i);
631 if (txq_info->state & SFC_TXQ_INITIALIZED) {
632 union sfc_pkts_bytes qstats;
634 sfc_pkts_bytes_get(&txq_info->dp->dpq.stats, &qstats);
635 pkts_sum += qstats.pkts -
636 sa->sw_stats.reset_tx_pkts[i];
637 bytes_sum += qstats.bytes -
638 sa->sw_stats.reset_tx_bytes[i];
647 * Some statistics are computed as A - B where A and B each increase
648 * monotonically with some hardware counter(s) and the counters are read
651 * If packet X is counted in A, but not counted in B yet, computed value is
654 * If packet X is not counted in A at the moment of reading the counter,
655 * but counted in B at the moment of reading the counter, computed value
658 * However, counter which grows backward is worse evil than slightly wrong
659 * value. So, let's try to guarantee that it never happens except may be
660 * the case when the MAC stats are zeroed as a result of a NIC reset.
663 sfc_update_diff_stat(uint64_t *stat, uint64_t newval)
665 if ((int64_t)(newval - *stat) > 0 || newval == 0)
670 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
672 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
673 bool have_dp_rx_stats = sap->dp_rx->features & SFC_DP_RX_FEAT_STATS;
674 bool have_dp_tx_stats = sap->dp_tx->features & SFC_DP_TX_FEAT_STATS;
675 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
676 struct sfc_port *port = &sa->port;
680 sfc_adapter_lock(sa);
682 if (have_dp_rx_stats)
683 sfc_stats_get_dp_rx(sa, &stats->ipackets, &stats->ibytes);
684 if (have_dp_tx_stats)
685 sfc_stats_get_dp_tx(sa, &stats->opackets, &stats->obytes);
687 ret = sfc_port_update_mac_stats(sa, B_FALSE);
691 mac_stats = port->mac_stats_buf;
693 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
694 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
695 if (!have_dp_rx_stats) {
697 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
698 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
699 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
701 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
702 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
703 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
705 /* CRC is included in these stats, but shouldn't be */
706 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN;
708 if (!have_dp_tx_stats) {
710 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
711 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
712 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
714 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
715 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
716 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
718 /* CRC is included in these stats, but shouldn't be */
719 stats->obytes -= stats->opackets * RTE_ETHER_CRC_LEN;
721 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
722 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
724 if (!have_dp_tx_stats) {
725 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
726 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS] -
727 mac_stats[EFX_MAC_TX_PKTS] * RTE_ETHER_CRC_LEN;
731 * Take into account stats which are whenever supported
732 * on EF10. If some stat is not supported by current
733 * firmware variant or HW revision, it is guaranteed
734 * to be zero in mac_stats.
737 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
738 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
739 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
740 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
741 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
742 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
743 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
744 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
745 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
746 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
748 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
749 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
750 mac_stats[EFX_MAC_RX_JABBER_PKTS];
751 /* no oerrors counters supported on EF10 */
753 if (!have_dp_rx_stats) {
754 /* Exclude missed, errors and pauses from Rx packets */
755 sfc_update_diff_stat(&port->ipackets,
756 mac_stats[EFX_MAC_RX_PKTS] -
757 mac_stats[EFX_MAC_RX_PAUSE_PKTS] -
758 stats->imissed - stats->ierrors);
759 stats->ipackets = port->ipackets;
760 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS] -
761 mac_stats[EFX_MAC_RX_PKTS] * RTE_ETHER_CRC_LEN;
766 sfc_adapter_unlock(sa);
767 SFC_ASSERT(ret >= 0);
772 sfc_stats_reset(struct rte_eth_dev *dev)
774 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
775 struct sfc_port *port = &sa->port;
778 sfc_adapter_lock(sa);
780 if (sa->state != SFC_ETHDEV_STARTED) {
782 * The operation cannot be done if port is not started; it
783 * will be scheduled to be done during the next port start
785 port->mac_stats_reset_pending = B_TRUE;
786 sfc_adapter_unlock(sa);
790 rc = sfc_port_reset_mac_stats(sa);
792 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
794 sfc_sw_xstats_reset(sa);
796 sfc_adapter_unlock(sa);
803 sfc_xstats_get_nb_supported(struct sfc_adapter *sa)
805 struct sfc_port *port = &sa->port;
806 unsigned int nb_supported;
808 sfc_adapter_lock(sa);
809 nb_supported = port->mac_stats_nb_supported +
810 sfc_sw_xstats_get_nb_supported(sa);
811 sfc_adapter_unlock(sa);
817 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
818 unsigned int xstats_count)
820 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
821 unsigned int nb_written = 0;
822 unsigned int nb_supported = 0;
825 if (unlikely(xstats == NULL))
826 return sfc_xstats_get_nb_supported(sa);
828 rc = sfc_port_get_mac_stats(sa, xstats, xstats_count, &nb_written);
833 sfc_sw_xstats_get_vals(sa, xstats, xstats_count, &nb_written,
840 sfc_xstats_get_names(struct rte_eth_dev *dev,
841 struct rte_eth_xstat_name *xstats_names,
842 unsigned int xstats_count)
844 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
845 struct sfc_port *port = &sa->port;
847 unsigned int nstats = 0;
848 unsigned int nb_written = 0;
851 if (unlikely(xstats_names == NULL))
852 return sfc_xstats_get_nb_supported(sa);
854 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
855 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
856 if (nstats < xstats_count) {
857 strlcpy(xstats_names[nstats].name,
858 efx_mac_stat_name(sa->nic, i),
859 sizeof(xstats_names[0].name));
866 ret = sfc_sw_xstats_get_names(sa, xstats_names, xstats_count,
867 &nb_written, &nstats);
877 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
878 uint64_t *values, unsigned int n)
880 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
881 struct sfc_port *port = &sa->port;
882 unsigned int nb_supported;
886 if (unlikely(ids == NULL || values == NULL))
890 * Values array could be filled in nonsequential order. Fill values with
891 * constant indicating invalid ID first.
893 for (i = 0; i < n; i++)
894 values[i] = SFC_XSTAT_ID_INVALID_VAL;
896 rc = sfc_port_get_mac_stats_by_id(sa, ids, values, n);
900 nb_supported = port->mac_stats_nb_supported;
901 sfc_sw_xstats_get_vals_by_id(sa, ids, values, n, &nb_supported);
903 /* Return number of written stats before invalid ID is encountered. */
904 for (i = 0; i < n; i++) {
905 if (values[i] == SFC_XSTAT_ID_INVALID_VAL)
913 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
915 struct rte_eth_xstat_name *xstats_names,
918 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
919 struct sfc_port *port = &sa->port;
920 unsigned int nb_supported;
924 if (unlikely(xstats_names == NULL && ids != NULL) ||
925 unlikely(xstats_names != NULL && ids == NULL))
928 if (unlikely(xstats_names == NULL && ids == NULL))
929 return sfc_xstats_get_nb_supported(sa);
932 * Names array could be filled in nonsequential order. Fill names with
933 * string indicating invalid ID first.
935 for (i = 0; i < size; i++)
936 xstats_names[i].name[0] = SFC_XSTAT_ID_INVALID_NAME;
938 sfc_adapter_lock(sa);
940 SFC_ASSERT(port->mac_stats_nb_supported <=
941 RTE_DIM(port->mac_stats_by_id));
943 for (i = 0; i < size; i++) {
944 if (ids[i] < port->mac_stats_nb_supported) {
945 strlcpy(xstats_names[i].name,
946 efx_mac_stat_name(sa->nic,
947 port->mac_stats_by_id[ids[i]]),
948 sizeof(xstats_names[0].name));
952 nb_supported = port->mac_stats_nb_supported;
954 sfc_adapter_unlock(sa);
956 ret = sfc_sw_xstats_get_names_by_id(sa, ids, xstats_names, size,
963 /* Return number of written names before invalid ID is encountered. */
964 for (i = 0; i < size; i++) {
965 if (xstats_names[i].name[0] == SFC_XSTAT_ID_INVALID_NAME)
973 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
975 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
976 unsigned int wanted_fc, link_fc;
978 memset(fc_conf, 0, sizeof(*fc_conf));
980 sfc_adapter_lock(sa);
982 if (sa->state == SFC_ETHDEV_STARTED)
983 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
985 link_fc = sa->port.flow_ctrl;
989 fc_conf->mode = RTE_FC_NONE;
991 case EFX_FCNTL_RESPOND:
992 fc_conf->mode = RTE_FC_RX_PAUSE;
994 case EFX_FCNTL_GENERATE:
995 fc_conf->mode = RTE_FC_TX_PAUSE;
997 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
998 fc_conf->mode = RTE_FC_FULL;
1001 sfc_err(sa, "%s: unexpected flow control value %#x",
1005 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
1007 sfc_adapter_unlock(sa);
1013 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
1015 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1016 struct sfc_port *port = &sa->port;
1020 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
1021 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
1022 fc_conf->mac_ctrl_frame_fwd != 0) {
1023 sfc_err(sa, "unsupported flow control settings specified");
1028 switch (fc_conf->mode) {
1032 case RTE_FC_RX_PAUSE:
1033 fcntl = EFX_FCNTL_RESPOND;
1035 case RTE_FC_TX_PAUSE:
1036 fcntl = EFX_FCNTL_GENERATE;
1039 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
1046 sfc_adapter_lock(sa);
1048 if (sa->state == SFC_ETHDEV_STARTED) {
1049 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
1051 goto fail_mac_fcntl_set;
1054 port->flow_ctrl = fcntl;
1055 port->flow_ctrl_autoneg = fc_conf->autoneg;
1057 sfc_adapter_unlock(sa);
1062 sfc_adapter_unlock(sa);
1069 sfc_check_scatter_on_all_rx_queues(struct sfc_adapter *sa, size_t pdu)
1071 struct sfc_adapter_shared * const sas = sfc_sa2shared(sa);
1072 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
1073 boolean_t scatter_enabled;
1077 for (i = 0; i < sas->rxq_count; i++) {
1078 if ((sas->rxq_info[i].state & SFC_RXQ_INITIALIZED) == 0)
1081 scatter_enabled = (sas->rxq_info[i].type_flags &
1082 EFX_RXQ_FLAG_SCATTER);
1084 if (!sfc_rx_check_scatter(pdu, sa->rxq_ctrl[i].buf_size,
1085 encp->enc_rx_prefix_size,
1087 encp->enc_rx_scatter_max, &error)) {
1088 sfc_err(sa, "MTU check for RxQ %u failed: %s", i,
1098 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
1100 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1101 size_t pdu = EFX_MAC_PDU(mtu);
1105 sfc_log_init(sa, "mtu=%u", mtu);
1108 if (pdu < EFX_MAC_PDU_MIN) {
1109 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
1110 (unsigned int)mtu, (unsigned int)pdu,
1114 if (pdu > EFX_MAC_PDU_MAX) {
1115 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
1116 (unsigned int)mtu, (unsigned int)pdu,
1117 (unsigned int)EFX_MAC_PDU_MAX);
1121 sfc_adapter_lock(sa);
1123 rc = sfc_check_scatter_on_all_rx_queues(sa, pdu);
1125 goto fail_check_scatter;
1127 if (pdu != sa->port.pdu) {
1128 if (sa->state == SFC_ETHDEV_STARTED) {
1131 old_pdu = sa->port.pdu;
1142 * The driver does not use it, but other PMDs update jumbo frame
1143 * flag and max_rx_pkt_len when MTU is set.
1145 if (mtu > RTE_ETHER_MTU) {
1146 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode;
1147 rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
1150 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
1152 sfc_adapter_unlock(sa);
1154 sfc_log_init(sa, "done");
1158 sa->port.pdu = old_pdu;
1159 if (sfc_start(sa) != 0)
1160 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
1161 "PDU max size - port is stopped",
1162 (unsigned int)pdu, (unsigned int)old_pdu);
1165 sfc_adapter_unlock(sa);
1168 sfc_log_init(sa, "failed %d", rc);
1173 sfc_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
1175 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1176 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
1177 struct sfc_port *port = &sa->port;
1178 struct rte_ether_addr *old_addr = &dev->data->mac_addrs[0];
1181 sfc_adapter_lock(sa);
1183 if (rte_is_same_ether_addr(mac_addr, &port->default_mac_addr))
1187 * Copy the address to the device private data so that
1188 * it could be recalled in the case of adapter restart.
1190 rte_ether_addr_copy(mac_addr, &port->default_mac_addr);
1193 * Neither of the two following checks can return
1194 * an error. The new MAC address is preserved in
1195 * the device private data and can be activated
1196 * on the next port start if the user prevents
1197 * isolated mode from being enabled.
1199 if (sfc_sa2shared(sa)->isolated) {
1200 sfc_warn(sa, "isolated mode is active on the port");
1201 sfc_warn(sa, "will not set MAC address");
1205 if (sa->state != SFC_ETHDEV_STARTED) {
1206 sfc_notice(sa, "the port is not started");
1207 sfc_notice(sa, "the new MAC address will be set on port start");
1212 if (encp->enc_allow_set_mac_with_installed_filters) {
1213 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
1215 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
1220 * Changing the MAC address by means of MCDI request
1221 * has no effect on received traffic, therefore
1222 * we also need to update unicast filters
1224 rc = sfc_set_rx_mode_unchecked(sa);
1226 sfc_err(sa, "cannot set filter (rc = %u)", rc);
1227 /* Rollback the old address */
1228 (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes);
1229 (void)sfc_set_rx_mode_unchecked(sa);
1232 sfc_warn(sa, "cannot set MAC address with filters installed");
1233 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
1234 sfc_warn(sa, "(some traffic may be dropped)");
1237 * Since setting MAC address with filters installed is not
1238 * allowed on the adapter, the new MAC address will be set
1239 * by means of adapter restart. sfc_start() shall retrieve
1240 * the new address from the device private data and set it.
1245 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
1250 rte_ether_addr_copy(old_addr, &port->default_mac_addr);
1252 sfc_adapter_unlock(sa);
1254 SFC_ASSERT(rc >= 0);
1260 sfc_set_mc_addr_list(struct rte_eth_dev *dev,
1261 struct rte_ether_addr *mc_addr_set, uint32_t nb_mc_addr)
1263 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1264 struct sfc_port *port = &sa->port;
1265 uint8_t *mc_addrs = port->mcast_addrs;
1269 if (sfc_sa2shared(sa)->isolated) {
1270 sfc_err(sa, "isolated mode is active on the port");
1271 sfc_err(sa, "will not set multicast address list");
1275 if (mc_addrs == NULL)
1278 if (nb_mc_addr > port->max_mcast_addrs) {
1279 sfc_err(sa, "too many multicast addresses: %u > %u",
1280 nb_mc_addr, port->max_mcast_addrs);
1284 for (i = 0; i < nb_mc_addr; ++i) {
1285 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1287 mc_addrs += EFX_MAC_ADDR_LEN;
1290 port->nb_mcast_addrs = nb_mc_addr;
1292 if (sa->state != SFC_ETHDEV_STARTED)
1295 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1296 port->nb_mcast_addrs);
1298 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1300 SFC_ASSERT(rc >= 0);
1305 * The function is used by the secondary process as well. It must not
1306 * use any process-local pointers from the adapter data.
1309 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t ethdev_qid,
1310 struct rte_eth_rxq_info *qinfo)
1312 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1313 sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1314 struct sfc_rxq_info *rxq_info;
1316 rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1318 qinfo->mp = rxq_info->refill_mb_pool;
1319 qinfo->conf.rx_free_thresh = rxq_info->refill_threshold;
1320 qinfo->conf.rx_drop_en = 1;
1321 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1322 qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads;
1323 if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) {
1324 qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER;
1325 qinfo->scattered_rx = 1;
1327 qinfo->nb_desc = rxq_info->entries;
1331 * The function is used by the secondary process as well. It must not
1332 * use any process-local pointers from the adapter data.
1335 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t ethdev_qid,
1336 struct rte_eth_txq_info *qinfo)
1338 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1339 struct sfc_txq_info *txq_info;
1341 SFC_ASSERT(ethdev_qid < sas->ethdev_txq_count);
1343 txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1345 memset(qinfo, 0, sizeof(*qinfo));
1347 qinfo->conf.offloads = txq_info->offloads;
1348 qinfo->conf.tx_free_thresh = txq_info->free_thresh;
1349 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1350 qinfo->nb_desc = txq_info->entries;
1354 * The function is used by the secondary process as well. It must not
1355 * use any process-local pointers from the adapter data.
1358 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1360 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1361 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1362 sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1363 struct sfc_rxq_info *rxq_info;
1365 rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1367 if ((rxq_info->state & SFC_RXQ_STARTED) == 0)
1370 return sap->dp_rx->qdesc_npending(rxq_info->dp);
1374 * The function is used by the secondary process as well. It must not
1375 * use any process-local pointers from the adapter data.
1378 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1380 struct sfc_dp_rxq *dp_rxq = queue;
1381 const struct sfc_dp_rx *dp_rx;
1383 dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq);
1385 return dp_rx->qdesc_status(dp_rxq, offset);
1389 * The function is used by the secondary process as well. It must not
1390 * use any process-local pointers from the adapter data.
1393 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1395 struct sfc_dp_txq *dp_txq = queue;
1396 const struct sfc_dp_tx *dp_tx;
1398 dp_tx = sfc_dp_tx_by_dp_txq(dp_txq);
1400 return dp_tx->qdesc_status(dp_txq, offset);
1404 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1406 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1407 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1408 sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1409 struct sfc_rxq_info *rxq_info;
1410 sfc_sw_index_t sw_index;
1413 sfc_log_init(sa, "RxQ=%u", ethdev_qid);
1415 sfc_adapter_lock(sa);
1418 if (sa->state != SFC_ETHDEV_STARTED)
1419 goto fail_not_started;
1421 rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1422 if (rxq_info->state != SFC_RXQ_INITIALIZED)
1423 goto fail_not_setup;
1425 sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid);
1426 rc = sfc_rx_qstart(sa, sw_index);
1428 goto fail_rx_qstart;
1430 rxq_info->deferred_started = B_TRUE;
1432 sfc_adapter_unlock(sa);
1439 sfc_adapter_unlock(sa);
1445 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1447 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1448 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1449 sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1450 struct sfc_rxq_info *rxq_info;
1451 sfc_sw_index_t sw_index;
1453 sfc_log_init(sa, "RxQ=%u", ethdev_qid);
1455 sfc_adapter_lock(sa);
1457 sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid);
1458 sfc_rx_qstop(sa, sw_index);
1460 rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1461 rxq_info->deferred_started = B_FALSE;
1463 sfc_adapter_unlock(sa);
1469 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1471 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1472 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1473 struct sfc_txq_info *txq_info;
1474 sfc_sw_index_t sw_index;
1477 sfc_log_init(sa, "TxQ = %u", ethdev_qid);
1479 sfc_adapter_lock(sa);
1482 if (sa->state != SFC_ETHDEV_STARTED)
1483 goto fail_not_started;
1485 txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1486 if (txq_info->state != SFC_TXQ_INITIALIZED)
1487 goto fail_not_setup;
1489 sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
1490 rc = sfc_tx_qstart(sa, sw_index);
1492 goto fail_tx_qstart;
1494 txq_info->deferred_started = B_TRUE;
1496 sfc_adapter_unlock(sa);
1503 sfc_adapter_unlock(sa);
1509 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1511 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1512 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1513 struct sfc_txq_info *txq_info;
1514 sfc_sw_index_t sw_index;
1516 sfc_log_init(sa, "TxQ = %u", ethdev_qid);
1518 sfc_adapter_lock(sa);
1520 sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid);
1521 sfc_tx_qstop(sa, sw_index);
1523 txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid);
1524 txq_info->deferred_started = B_FALSE;
1526 sfc_adapter_unlock(sa);
1530 static efx_tunnel_protocol_t
1531 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1534 case RTE_TUNNEL_TYPE_VXLAN:
1535 return EFX_TUNNEL_PROTOCOL_VXLAN;
1536 case RTE_TUNNEL_TYPE_GENEVE:
1537 return EFX_TUNNEL_PROTOCOL_GENEVE;
1539 return EFX_TUNNEL_NPROTOS;
1543 enum sfc_udp_tunnel_op_e {
1544 SFC_UDP_TUNNEL_ADD_PORT,
1545 SFC_UDP_TUNNEL_DEL_PORT,
1549 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1550 struct rte_eth_udp_tunnel *tunnel_udp,
1551 enum sfc_udp_tunnel_op_e op)
1553 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1554 efx_tunnel_protocol_t tunnel_proto;
1557 sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1558 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1559 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1560 tunnel_udp->udp_port, tunnel_udp->prot_type);
1563 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1564 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1566 goto fail_bad_proto;
1569 sfc_adapter_lock(sa);
1572 case SFC_UDP_TUNNEL_ADD_PORT:
1573 rc = efx_tunnel_config_udp_add(sa->nic,
1574 tunnel_udp->udp_port,
1577 case SFC_UDP_TUNNEL_DEL_PORT:
1578 rc = efx_tunnel_config_udp_remove(sa->nic,
1579 tunnel_udp->udp_port,
1590 if (sa->state == SFC_ETHDEV_STARTED) {
1591 rc = efx_tunnel_reconfigure(sa->nic);
1594 * Configuration is accepted by FW and MC reboot
1595 * is initiated to apply the changes. MC reboot
1596 * will be handled in a usual way (MC reboot
1597 * event on management event queue and adapter
1601 } else if (rc != 0) {
1602 goto fail_reconfigure;
1606 sfc_adapter_unlock(sa);
1610 /* Remove/restore entry since the change makes the trouble */
1612 case SFC_UDP_TUNNEL_ADD_PORT:
1613 (void)efx_tunnel_config_udp_remove(sa->nic,
1614 tunnel_udp->udp_port,
1617 case SFC_UDP_TUNNEL_DEL_PORT:
1618 (void)efx_tunnel_config_udp_add(sa->nic,
1619 tunnel_udp->udp_port,
1626 sfc_adapter_unlock(sa);
1634 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1635 struct rte_eth_udp_tunnel *tunnel_udp)
1637 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1641 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1642 struct rte_eth_udp_tunnel *tunnel_udp)
1644 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1648 * The function is used by the secondary process as well. It must not
1649 * use any process-local pointers from the adapter data.
1652 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1653 struct rte_eth_rss_conf *rss_conf)
1655 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1656 struct sfc_rss *rss = &sas->rss;
1658 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE)
1662 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1663 * hence, conversion is done here to derive a correct set of ETH_RSS
1664 * flags which corresponds to the active EFX configuration stored
1665 * locally in 'sfc_adapter' and kept up-to-date
1667 rss_conf->rss_hf = sfc_rx_hf_efx_to_rte(rss, rss->hash_types);
1668 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1669 if (rss_conf->rss_key != NULL)
1670 rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE);
1676 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1677 struct rte_eth_rss_conf *rss_conf)
1679 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1680 struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
1681 unsigned int efx_hash_types;
1682 uint32_t contexts[] = {EFX_RSS_CONTEXT_DEFAULT, rss->dummy_rss_context};
1683 unsigned int n_contexts;
1684 unsigned int mode_i = 0;
1685 unsigned int key_i = 0;
1689 n_contexts = rss->dummy_rss_context == EFX_RSS_CONTEXT_DEFAULT ? 1 : 2;
1691 if (sfc_sa2shared(sa)->isolated)
1694 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
1695 sfc_err(sa, "RSS is not available");
1699 if (rss->channels == 0) {
1700 sfc_err(sa, "RSS is not configured");
1704 if ((rss_conf->rss_key != NULL) &&
1705 (rss_conf->rss_key_len != sizeof(rss->key))) {
1706 sfc_err(sa, "RSS key size is wrong (should be %zu)",
1711 sfc_adapter_lock(sa);
1713 rc = sfc_rx_hf_rte_to_efx(sa, rss_conf->rss_hf, &efx_hash_types);
1715 goto fail_rx_hf_rte_to_efx;
1717 for (mode_i = 0; mode_i < n_contexts; mode_i++) {
1718 rc = efx_rx_scale_mode_set(sa->nic, contexts[mode_i],
1719 rss->hash_alg, efx_hash_types,
1722 goto fail_scale_mode_set;
1725 if (rss_conf->rss_key != NULL) {
1726 if (sa->state == SFC_ETHDEV_STARTED) {
1727 for (key_i = 0; key_i < n_contexts; key_i++) {
1728 rc = efx_rx_scale_key_set(sa->nic,
1733 goto fail_scale_key_set;
1737 rte_memcpy(rss->key, rss_conf->rss_key, sizeof(rss->key));
1740 rss->hash_types = efx_hash_types;
1742 sfc_adapter_unlock(sa);
1747 for (i = 0; i < key_i; i++) {
1748 if (efx_rx_scale_key_set(sa->nic, contexts[i], rss->key,
1749 sizeof(rss->key)) != 0)
1750 sfc_err(sa, "failed to restore RSS key");
1753 fail_scale_mode_set:
1754 for (i = 0; i < mode_i; i++) {
1755 if (efx_rx_scale_mode_set(sa->nic, contexts[i],
1756 EFX_RX_HASHALG_TOEPLITZ,
1757 rss->hash_types, B_TRUE) != 0)
1758 sfc_err(sa, "failed to restore RSS mode");
1761 fail_rx_hf_rte_to_efx:
1762 sfc_adapter_unlock(sa);
1767 * The function is used by the secondary process as well. It must not
1768 * use any process-local pointers from the adapter data.
1771 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1772 struct rte_eth_rss_reta_entry64 *reta_conf,
1775 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1776 struct sfc_rss *rss = &sas->rss;
1779 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || sas->isolated)
1782 if (rss->channels == 0)
1785 if (reta_size != EFX_RSS_TBL_SIZE)
1788 for (entry = 0; entry < reta_size; entry++) {
1789 int grp = entry / RTE_RETA_GROUP_SIZE;
1790 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1792 if ((reta_conf[grp].mask >> grp_idx) & 1)
1793 reta_conf[grp].reta[grp_idx] = rss->tbl[entry];
1800 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1801 struct rte_eth_rss_reta_entry64 *reta_conf,
1804 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
1805 struct sfc_rss *rss = &sfc_sa2shared(sa)->rss;
1806 unsigned int *rss_tbl_new;
1811 if (sfc_sa2shared(sa)->isolated)
1814 if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) {
1815 sfc_err(sa, "RSS is not available");
1819 if (rss->channels == 0) {
1820 sfc_err(sa, "RSS is not configured");
1824 if (reta_size != EFX_RSS_TBL_SIZE) {
1825 sfc_err(sa, "RETA size is wrong (should be %u)",
1830 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(rss->tbl), 0);
1831 if (rss_tbl_new == NULL)
1834 sfc_adapter_lock(sa);
1836 rte_memcpy(rss_tbl_new, rss->tbl, sizeof(rss->tbl));
1838 for (entry = 0; entry < reta_size; entry++) {
1839 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1840 struct rte_eth_rss_reta_entry64 *grp;
1842 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1844 if (grp->mask & (1ull << grp_idx)) {
1845 if (grp->reta[grp_idx] >= rss->channels) {
1847 goto bad_reta_entry;
1849 rss_tbl_new[entry] = grp->reta[grp_idx];
1853 if (sa->state == SFC_ETHDEV_STARTED) {
1854 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1855 rss_tbl_new, EFX_RSS_TBL_SIZE);
1857 goto fail_scale_tbl_set;
1860 rte_memcpy(rss->tbl, rss_tbl_new, sizeof(rss->tbl));
1864 sfc_adapter_unlock(sa);
1866 rte_free(rss_tbl_new);
1868 SFC_ASSERT(rc >= 0);
1873 sfc_dev_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
1874 const struct rte_flow_ops **ops)
1876 *ops = &sfc_flow_ops;
1881 sfc_pool_ops_supported(struct rte_eth_dev *dev, const char *pool)
1883 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1886 * If Rx datapath does not provide callback to check mempool,
1887 * all pools are supported.
1889 if (sap->dp_rx->pool_ops_supported == NULL)
1892 return sap->dp_rx->pool_ops_supported(pool);
1896 sfc_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1898 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1899 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1900 sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1901 struct sfc_rxq_info *rxq_info;
1903 rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1905 return sap->dp_rx->intr_enable(rxq_info->dp);
1909 sfc_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t ethdev_qid)
1911 const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev);
1912 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
1913 sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid;
1914 struct sfc_rxq_info *rxq_info;
1916 rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid);
1918 return sap->dp_rx->intr_disable(rxq_info->dp);
1921 static const struct eth_dev_ops sfc_eth_dev_ops = {
1922 .dev_configure = sfc_dev_configure,
1923 .dev_start = sfc_dev_start,
1924 .dev_stop = sfc_dev_stop,
1925 .dev_set_link_up = sfc_dev_set_link_up,
1926 .dev_set_link_down = sfc_dev_set_link_down,
1927 .dev_close = sfc_dev_close,
1928 .promiscuous_enable = sfc_dev_promisc_enable,
1929 .promiscuous_disable = sfc_dev_promisc_disable,
1930 .allmulticast_enable = sfc_dev_allmulti_enable,
1931 .allmulticast_disable = sfc_dev_allmulti_disable,
1932 .link_update = sfc_dev_link_update,
1933 .stats_get = sfc_stats_get,
1934 .stats_reset = sfc_stats_reset,
1935 .xstats_get = sfc_xstats_get,
1936 .xstats_reset = sfc_stats_reset,
1937 .xstats_get_names = sfc_xstats_get_names,
1938 .dev_infos_get = sfc_dev_infos_get,
1939 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1940 .mtu_set = sfc_dev_set_mtu,
1941 .rx_queue_start = sfc_rx_queue_start,
1942 .rx_queue_stop = sfc_rx_queue_stop,
1943 .tx_queue_start = sfc_tx_queue_start,
1944 .tx_queue_stop = sfc_tx_queue_stop,
1945 .rx_queue_setup = sfc_rx_queue_setup,
1946 .rx_queue_release = sfc_rx_queue_release,
1947 .rx_queue_intr_enable = sfc_rx_queue_intr_enable,
1948 .rx_queue_intr_disable = sfc_rx_queue_intr_disable,
1949 .tx_queue_setup = sfc_tx_queue_setup,
1950 .tx_queue_release = sfc_tx_queue_release,
1951 .flow_ctrl_get = sfc_flow_ctrl_get,
1952 .flow_ctrl_set = sfc_flow_ctrl_set,
1953 .mac_addr_set = sfc_mac_addr_set,
1954 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add,
1955 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del,
1956 .reta_update = sfc_dev_rss_reta_update,
1957 .reta_query = sfc_dev_rss_reta_query,
1958 .rss_hash_update = sfc_dev_rss_hash_update,
1959 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1960 .flow_ops_get = sfc_dev_flow_ops_get,
1961 .set_mc_addr_list = sfc_set_mc_addr_list,
1962 .rxq_info_get = sfc_rx_queue_info_get,
1963 .txq_info_get = sfc_tx_queue_info_get,
1964 .fw_version_get = sfc_fw_version_get,
1965 .xstats_get_by_id = sfc_xstats_get_by_id,
1966 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1967 .pool_ops_supported = sfc_pool_ops_supported,
1970 struct sfc_ethdev_init_data {
1971 uint16_t nb_representors;
1975 * Duplicate a string in potentially shared memory required for
1976 * multi-process support.
1978 * strdup() allocates from process-local heap/memory.
1981 sfc_strdup(const char *str)
1989 size = strlen(str) + 1;
1990 copy = rte_malloc(__func__, size, 0);
1992 rte_memcpy(copy, str, size);
1998 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
2000 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
2001 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2002 const struct sfc_dp_rx *dp_rx;
2003 const struct sfc_dp_tx *dp_tx;
2004 const efx_nic_cfg_t *encp;
2005 unsigned int avail_caps = 0;
2006 const char *rx_name = NULL;
2007 const char *tx_name = NULL;
2010 switch (sa->family) {
2011 case EFX_FAMILY_HUNTINGTON:
2012 case EFX_FAMILY_MEDFORD:
2013 case EFX_FAMILY_MEDFORD2:
2014 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
2015 avail_caps |= SFC_DP_HW_FW_CAP_RX_EFX;
2016 avail_caps |= SFC_DP_HW_FW_CAP_TX_EFX;
2018 case EFX_FAMILY_RIVERHEAD:
2019 avail_caps |= SFC_DP_HW_FW_CAP_EF100;
2025 encp = efx_nic_cfg_get(sa->nic);
2026 if (encp->enc_rx_es_super_buffer_supported)
2027 avail_caps |= SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER;
2029 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
2030 sfc_kvarg_string_handler, &rx_name);
2032 goto fail_kvarg_rx_datapath;
2034 if (rx_name != NULL) {
2035 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
2036 if (dp_rx == NULL) {
2037 sfc_err(sa, "Rx datapath %s not found", rx_name);
2041 if (!sfc_dp_match_hw_fw_caps(&dp_rx->dp, avail_caps)) {
2043 "Insufficient Hw/FW capabilities to use Rx datapath %s",
2046 goto fail_dp_rx_caps;
2049 dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
2050 if (dp_rx == NULL) {
2051 sfc_err(sa, "Rx datapath by caps %#x not found",
2058 sas->dp_rx_name = sfc_strdup(dp_rx->dp.name);
2059 if (sas->dp_rx_name == NULL) {
2061 goto fail_dp_rx_name;
2064 sfc_notice(sa, "use %s Rx datapath", sas->dp_rx_name);
2066 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
2067 sfc_kvarg_string_handler, &tx_name);
2069 goto fail_kvarg_tx_datapath;
2071 if (tx_name != NULL) {
2072 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
2073 if (dp_tx == NULL) {
2074 sfc_err(sa, "Tx datapath %s not found", tx_name);
2078 if (!sfc_dp_match_hw_fw_caps(&dp_tx->dp, avail_caps)) {
2080 "Insufficient Hw/FW capabilities to use Tx datapath %s",
2083 goto fail_dp_tx_caps;
2086 dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
2087 if (dp_tx == NULL) {
2088 sfc_err(sa, "Tx datapath by caps %#x not found",
2095 sas->dp_tx_name = sfc_strdup(dp_tx->dp.name);
2096 if (sas->dp_tx_name == NULL) {
2098 goto fail_dp_tx_name;
2101 sfc_notice(sa, "use %s Tx datapath", sas->dp_tx_name);
2103 sa->priv.dp_rx = dp_rx;
2104 sa->priv.dp_tx = dp_tx;
2106 dev->rx_pkt_burst = dp_rx->pkt_burst;
2107 dev->tx_pkt_prepare = dp_tx->pkt_prepare;
2108 dev->tx_pkt_burst = dp_tx->pkt_burst;
2110 dev->rx_queue_count = sfc_rx_queue_count;
2111 dev->rx_descriptor_status = sfc_rx_descriptor_status;
2112 dev->tx_descriptor_status = sfc_tx_descriptor_status;
2113 dev->dev_ops = &sfc_eth_dev_ops;
2120 fail_kvarg_tx_datapath:
2121 rte_free(sas->dp_rx_name);
2122 sas->dp_rx_name = NULL;
2127 fail_kvarg_rx_datapath:
2132 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
2134 struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev);
2135 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2137 dev->dev_ops = NULL;
2138 dev->tx_pkt_prepare = NULL;
2139 dev->rx_pkt_burst = NULL;
2140 dev->tx_pkt_burst = NULL;
2142 rte_free(sas->dp_tx_name);
2143 sas->dp_tx_name = NULL;
2144 sa->priv.dp_tx = NULL;
2146 rte_free(sas->dp_rx_name);
2147 sas->dp_rx_name = NULL;
2148 sa->priv.dp_rx = NULL;
2151 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
2152 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
2153 .reta_query = sfc_dev_rss_reta_query,
2154 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
2155 .rxq_info_get = sfc_rx_queue_info_get,
2156 .txq_info_get = sfc_tx_queue_info_get,
2160 sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main)
2162 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2163 struct sfc_adapter_priv *sap;
2164 const struct sfc_dp_rx *dp_rx;
2165 const struct sfc_dp_tx *dp_tx;
2169 * Allocate process private data from heap, since it should not
2170 * be located in shared memory allocated using rte_malloc() API.
2172 sap = calloc(1, sizeof(*sap));
2175 goto fail_alloc_priv;
2178 sap->logtype_main = logtype_main;
2180 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sas->dp_rx_name);
2181 if (dp_rx == NULL) {
2182 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2183 "cannot find %s Rx datapath", sas->dp_rx_name);
2187 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
2188 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2189 "%s Rx datapath does not support multi-process",
2192 goto fail_dp_rx_multi_process;
2195 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sas->dp_tx_name);
2196 if (dp_tx == NULL) {
2197 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2198 "cannot find %s Tx datapath", sas->dp_tx_name);
2202 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
2203 SFC_LOG(sas, RTE_LOG_ERR, logtype_main,
2204 "%s Tx datapath does not support multi-process",
2207 goto fail_dp_tx_multi_process;
2213 dev->process_private = sap;
2214 dev->rx_pkt_burst = dp_rx->pkt_burst;
2215 dev->tx_pkt_prepare = dp_tx->pkt_prepare;
2216 dev->tx_pkt_burst = dp_tx->pkt_burst;
2217 dev->rx_queue_count = sfc_rx_queue_count;
2218 dev->rx_descriptor_status = sfc_rx_descriptor_status;
2219 dev->tx_descriptor_status = sfc_tx_descriptor_status;
2220 dev->dev_ops = &sfc_eth_dev_secondary_ops;
2224 fail_dp_tx_multi_process:
2226 fail_dp_rx_multi_process:
2235 sfc_register_dp(void)
2238 if (TAILQ_EMPTY(&sfc_dp_head)) {
2239 /* Prefer EF10 datapath */
2240 sfc_dp_register(&sfc_dp_head, &sfc_ef100_rx.dp);
2241 sfc_dp_register(&sfc_dp_head, &sfc_ef10_essb_rx.dp);
2242 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
2243 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
2245 sfc_dp_register(&sfc_dp_head, &sfc_ef100_tx.dp);
2246 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
2247 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
2248 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
2253 sfc_parse_switch_mode(struct sfc_adapter *sa, bool has_representors)
2255 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
2256 const char *switch_mode = NULL;
2259 sfc_log_init(sa, "entry");
2261 rc = sfc_kvargs_process(sa, SFC_KVARG_SWITCH_MODE,
2262 sfc_kvarg_string_handler, &switch_mode);
2266 if (switch_mode == NULL) {
2267 sa->switchdev = encp->enc_mae_supported &&
2268 (!encp->enc_datapath_cap_evb ||
2270 } else if (strcasecmp(switch_mode, SFC_KVARG_SWITCH_MODE_LEGACY) == 0) {
2271 sa->switchdev = false;
2272 } else if (strcasecmp(switch_mode,
2273 SFC_KVARG_SWITCH_MODE_SWITCHDEV) == 0) {
2274 sa->switchdev = true;
2276 sfc_err(sa, "invalid switch mode device argument '%s'",
2282 sfc_log_init(sa, "done");
2288 sfc_log_init(sa, "failed: %s", rte_strerror(rc));
2294 sfc_eth_dev_init(struct rte_eth_dev *dev, void *init_params)
2296 struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev);
2297 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2298 struct sfc_ethdev_init_data *init_data = init_params;
2299 uint32_t logtype_main;
2300 struct sfc_adapter *sa;
2302 const efx_nic_cfg_t *encp;
2303 const struct rte_ether_addr *from;
2306 if (sfc_efx_dev_class_get(pci_dev->device.devargs) !=
2307 SFC_EFX_DEV_CLASS_NET) {
2308 SFC_GENERIC_LOG(DEBUG,
2309 "Incompatible device class: skip probing, should be probed by other sfc driver.");
2313 rc = sfc_dp_mport_register();
2319 logtype_main = sfc_register_logtype(&pci_dev->addr,
2320 SFC_LOGTYPE_MAIN_STR,
2323 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2324 return -sfc_eth_dev_secondary_init(dev, logtype_main);
2326 /* Required for logging */
2327 ret = snprintf(sas->log_prefix, sizeof(sas->log_prefix),
2328 "PMD: sfc_efx " PCI_PRI_FMT " #%" PRIu16 ": ",
2329 pci_dev->addr.domain, pci_dev->addr.bus,
2330 pci_dev->addr.devid, pci_dev->addr.function,
2331 dev->data->port_id);
2332 if (ret < 0 || ret >= (int)sizeof(sas->log_prefix)) {
2333 SFC_GENERIC_LOG(ERR,
2334 "reserved log prefix is too short for " PCI_PRI_FMT,
2335 pci_dev->addr.domain, pci_dev->addr.bus,
2336 pci_dev->addr.devid, pci_dev->addr.function);
2339 sas->pci_addr = pci_dev->addr;
2340 sas->port_id = dev->data->port_id;
2343 * Allocate process private data from heap, since it should not
2344 * be located in shared memory allocated using rte_malloc() API.
2346 sa = calloc(1, sizeof(*sa));
2352 dev->process_private = sa;
2354 /* Required for logging */
2355 sa->priv.shared = sas;
2356 sa->priv.logtype_main = logtype_main;
2360 /* Copy PCI device info to the dev->data */
2361 rte_eth_copy_pci_info(dev, pci_dev);
2362 dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
2363 dev->data->dev_flags |= RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE;
2365 rc = sfc_kvargs_parse(sa);
2367 goto fail_kvargs_parse;
2369 sfc_log_init(sa, "entry");
2371 dev->data->mac_addrs = rte_zmalloc("sfc", RTE_ETHER_ADDR_LEN, 0);
2372 if (dev->data->mac_addrs == NULL) {
2374 goto fail_mac_addrs;
2377 sfc_adapter_lock_init(sa);
2378 sfc_adapter_lock(sa);
2380 sfc_log_init(sa, "probing");
2386 * Selecting a default switch mode requires the NIC to be probed and
2387 * to have its capabilities filled in.
2389 rc = sfc_parse_switch_mode(sa, init_data->nb_representors > 0);
2391 goto fail_switch_mode;
2393 sfc_log_init(sa, "set device ops");
2394 rc = sfc_eth_dev_set_ops(dev);
2398 sfc_log_init(sa, "attaching");
2399 rc = sfc_attach(sa);
2403 if (sa->switchdev && sa->mae.status != SFC_MAE_STATUS_SUPPORTED) {
2405 "failed to enable switchdev mode without MAE support");
2407 goto fail_switchdev_no_mae;
2410 encp = efx_nic_cfg_get(sa->nic);
2413 * The arguments are really reverse order in comparison to
2414 * Linux kernel. Copy from NIC config to Ethernet device data.
2416 from = (const struct rte_ether_addr *)(encp->enc_mac_addr);
2417 rte_ether_addr_copy(from, &dev->data->mac_addrs[0]);
2419 sfc_adapter_unlock(sa);
2421 sfc_log_init(sa, "done");
2424 fail_switchdev_no_mae:
2428 sfc_eth_dev_clear_ops(dev);
2435 sfc_adapter_unlock(sa);
2436 sfc_adapter_lock_fini(sa);
2437 rte_free(dev->data->mac_addrs);
2438 dev->data->mac_addrs = NULL;
2441 sfc_kvargs_cleanup(sa);
2444 sfc_log_init(sa, "failed %d", rc);
2445 dev->process_private = NULL;
2454 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
2461 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2462 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2463 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2464 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2465 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2466 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2467 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2468 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) },
2469 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) },
2470 { RTE_PCI_DEVICE(EFX_PCI_VENID_XILINX, EFX_PCI_DEVID_RIVERHEAD) },
2471 { .vendor_id = 0 /* sentinel */ }
2475 sfc_parse_rte_devargs(const char *args, struct rte_eth_devargs *devargs)
2477 struct rte_eth_devargs eth_da = { .nb_representor_ports = 0 };
2481 rc = rte_eth_devargs_parse(args, ð_da);
2483 SFC_GENERIC_LOG(ERR,
2484 "Failed to parse generic devargs '%s'",
2496 sfc_eth_dev_create(struct rte_pci_device *pci_dev,
2497 struct sfc_ethdev_init_data *init_data,
2498 struct rte_eth_dev **devp)
2500 struct rte_eth_dev *dev;
2503 rc = rte_eth_dev_create(&pci_dev->device, pci_dev->device.name,
2504 sizeof(struct sfc_adapter_shared),
2505 eth_dev_pci_specific_init, pci_dev,
2506 sfc_eth_dev_init, init_data);
2508 SFC_GENERIC_LOG(ERR, "Failed to create sfc ethdev '%s'",
2509 pci_dev->device.name);
2513 dev = rte_eth_dev_allocated(pci_dev->device.name);
2515 SFC_GENERIC_LOG(ERR, "Failed to find allocated sfc ethdev '%s'",
2516 pci_dev->device.name);
2526 sfc_eth_dev_create_representors(struct rte_eth_dev *dev,
2527 const struct rte_eth_devargs *eth_da)
2529 struct sfc_adapter *sa;
2533 if (eth_da->nb_representor_ports == 0)
2536 sa = sfc_adapter_by_eth_dev(dev);
2538 if (!sa->switchdev) {
2539 sfc_err(sa, "cannot create representors in non-switchdev mode");
2543 if (!sfc_repr_available(sfc_sa2shared(sa))) {
2544 sfc_err(sa, "cannot create representors: unsupported");
2549 for (i = 0; i < eth_da->nb_representor_ports; ++i) {
2550 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
2551 efx_mport_sel_t mport_sel;
2553 rc = efx_mae_mport_by_pcie_function(encp->enc_pf,
2554 eth_da->representor_ports[i], &mport_sel);
2557 "failed to get representor %u m-port: %s - ignore",
2558 eth_da->representor_ports[i],
2563 rc = sfc_repr_create(dev, eth_da->representor_ports[i],
2564 sa->mae.switch_domain_id, &mport_sel);
2566 sfc_err(sa, "cannot create representor %u: %s - ignore",
2567 eth_da->representor_ports[i],
2575 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2576 struct rte_pci_device *pci_dev)
2578 struct sfc_ethdev_init_data init_data;
2579 struct rte_eth_devargs eth_da;
2580 struct rte_eth_dev *dev;
2583 if (pci_dev->device.devargs != NULL) {
2584 rc = sfc_parse_rte_devargs(pci_dev->device.devargs->args,
2589 memset(ð_da, 0, sizeof(eth_da));
2592 init_data.nb_representors = eth_da.nb_representor_ports;
2594 if (eth_da.nb_representor_ports > 0 &&
2595 rte_eal_process_type() != RTE_PROC_PRIMARY) {
2596 SFC_GENERIC_LOG(ERR,
2597 "Create representors from secondary process not supported, dev '%s'",
2598 pci_dev->device.name);
2602 rc = sfc_eth_dev_create(pci_dev, &init_data, &dev);
2606 rc = sfc_eth_dev_create_representors(dev, ð_da);
2608 (void)rte_eth_dev_destroy(dev, sfc_eth_dev_uninit);
2615 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2617 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2620 static struct rte_pci_driver sfc_efx_pmd = {
2621 .id_table = pci_id_sfc_efx_map,
2623 RTE_PCI_DRV_INTR_LSC |
2624 RTE_PCI_DRV_NEED_MAPPING,
2625 .probe = sfc_eth_dev_pci_probe,
2626 .remove = sfc_eth_dev_pci_remove,
2629 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2630 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2631 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2632 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2633 SFC_KVARG_SWITCH_MODE "=" SFC_KVARG_VALUES_SWITCH_MODE " "
2634 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2635 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2636 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2637 SFC_KVARG_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " "
2638 SFC_KVARG_RXD_WAIT_TIMEOUT_NS "=<long> "
2639 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long>");
2641 RTE_INIT(sfc_driver_register_logtype)
2645 ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver",
2647 sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret;