2 * Copyright (c) 2016 Solarflare Communications Inc.
5 * This software was jointly developed between OKTET Labs (under contract
6 * for Solarflare) and Solarflare Communications, Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are met:
11 * 1. Redistributions of source code must retain the above copyright notice,
12 * this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright notice,
14 * this list of conditions and the following disclaimer in the documentation
15 * and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
19 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
24 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
27 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #include <rte_ethdev.h>
37 #include "sfc_debug.h"
39 #include "sfc_kvargs.h"
46 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
48 struct sfc_adapter *sa = dev->data->dev_private;
49 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
51 sfc_log_init(sa, "entry");
53 dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
54 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
56 /* Autonegotiation may be disabled */
57 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
58 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
59 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
60 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
61 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
62 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
63 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
65 dev_info->max_rx_queues = sa->rxq_max;
66 dev_info->max_tx_queues = sa->txq_max;
68 /* By default packets are dropped if no descriptors are available */
69 dev_info->default_rxconf.rx_drop_en = 1;
71 dev_info->rx_offload_capa =
72 DEV_RX_OFFLOAD_IPV4_CKSUM |
73 DEV_RX_OFFLOAD_UDP_CKSUM |
74 DEV_RX_OFFLOAD_TCP_CKSUM;
76 dev_info->tx_offload_capa =
77 DEV_TX_OFFLOAD_IPV4_CKSUM |
78 DEV_TX_OFFLOAD_UDP_CKSUM |
79 DEV_TX_OFFLOAD_TCP_CKSUM;
81 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
82 if (!encp->enc_hw_tx_insert_vlan_enabled)
83 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
85 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
87 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
88 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
89 /* The RXQ hardware requires that the descriptor count is a power
90 * of 2, but rx_desc_lim cannot properly describe that constraint.
92 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
94 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
95 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
97 * The TXQ hardware requires that the descriptor count is a power
98 * of 2, but tx_desc_lim cannot properly describe that constraint
100 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
103 static const uint32_t *
104 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
106 static const uint32_t ptypes[] = {
108 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
109 RTE_PTYPE_L3_IPV6_EXT_UNKNOWN,
115 if (dev->rx_pkt_burst == sfc_recv_pkts)
122 sfc_dev_configure(struct rte_eth_dev *dev)
124 struct rte_eth_dev_data *dev_data = dev->data;
125 struct sfc_adapter *sa = dev_data->dev_private;
128 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
129 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
131 sfc_adapter_lock(sa);
133 case SFC_ADAPTER_CONFIGURED:
135 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
137 case SFC_ADAPTER_INITIALIZED:
138 rc = sfc_configure(sa);
141 sfc_err(sa, "unexpected adapter state %u to configure",
146 sfc_adapter_unlock(sa);
148 sfc_log_init(sa, "done %d", rc);
154 sfc_dev_start(struct rte_eth_dev *dev)
156 struct sfc_adapter *sa = dev->data->dev_private;
159 sfc_log_init(sa, "entry");
161 sfc_adapter_lock(sa);
163 sfc_adapter_unlock(sa);
165 sfc_log_init(sa, "done %d", rc);
171 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
173 struct sfc_adapter *sa = dev->data->dev_private;
174 struct rte_eth_link *dev_link = &dev->data->dev_link;
175 struct rte_eth_link old_link;
176 struct rte_eth_link current_link;
178 sfc_log_init(sa, "entry");
180 if (sa->state != SFC_ADAPTER_STARTED)
184 EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
185 *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
187 if (wait_to_complete) {
188 efx_link_mode_t link_mode;
190 efx_port_poll(sa->nic, &link_mode);
191 sfc_port_link_mode_to_info(link_mode, ¤t_link);
193 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
194 *(uint64_t *)&old_link,
195 *(uint64_t *)¤t_link))
198 sfc_ev_mgmt_qpoll(sa);
199 *(int64_t *)¤t_link =
200 rte_atomic64_read((rte_atomic64_t *)dev_link);
203 if (old_link.link_status != current_link.link_status)
204 sfc_info(sa, "Link status is %s",
205 current_link.link_status ? "UP" : "DOWN");
207 return old_link.link_status == current_link.link_status ? 0 : -1;
211 sfc_dev_stop(struct rte_eth_dev *dev)
213 struct sfc_adapter *sa = dev->data->dev_private;
215 sfc_log_init(sa, "entry");
217 sfc_adapter_lock(sa);
219 sfc_adapter_unlock(sa);
221 sfc_log_init(sa, "done");
225 sfc_dev_set_link_up(struct rte_eth_dev *dev)
227 struct sfc_adapter *sa = dev->data->dev_private;
230 sfc_log_init(sa, "entry");
232 sfc_adapter_lock(sa);
234 sfc_adapter_unlock(sa);
241 sfc_dev_set_link_down(struct rte_eth_dev *dev)
243 struct sfc_adapter *sa = dev->data->dev_private;
245 sfc_log_init(sa, "entry");
247 sfc_adapter_lock(sa);
249 sfc_adapter_unlock(sa);
255 sfc_dev_close(struct rte_eth_dev *dev)
257 struct sfc_adapter *sa = dev->data->dev_private;
259 sfc_log_init(sa, "entry");
261 sfc_adapter_lock(sa);
263 case SFC_ADAPTER_STARTED:
265 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
267 case SFC_ADAPTER_CONFIGURED:
269 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
271 case SFC_ADAPTER_INITIALIZED:
274 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
277 sfc_adapter_unlock(sa);
279 sfc_log_init(sa, "done");
283 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
286 struct sfc_port *port;
288 struct sfc_adapter *sa = dev->data->dev_private;
289 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
290 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
292 sfc_adapter_lock(sa);
295 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
297 if (*toggle != enabled) {
300 if ((sa->state == SFC_ADAPTER_STARTED) &&
301 (sfc_set_rx_mode(sa) != 0)) {
302 *toggle = !(enabled);
303 sfc_warn(sa, "Failed to %s %s mode",
304 ((enabled) ? "enable" : "disable"), desc);
308 sfc_adapter_unlock(sa);
312 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
314 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
318 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
320 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
324 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
326 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
330 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
332 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
336 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
337 uint16_t nb_rx_desc, unsigned int socket_id,
338 const struct rte_eth_rxconf *rx_conf,
339 struct rte_mempool *mb_pool)
341 struct sfc_adapter *sa = dev->data->dev_private;
344 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
345 rx_queue_id, nb_rx_desc, socket_id);
347 sfc_adapter_lock(sa);
349 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
354 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq;
356 sfc_adapter_unlock(sa);
361 sfc_adapter_unlock(sa);
367 sfc_rx_queue_release(void *queue)
369 struct sfc_rxq *rxq = queue;
370 struct sfc_adapter *sa;
371 unsigned int sw_index;
377 sfc_adapter_lock(sa);
379 sw_index = sfc_rxq_sw_index(rxq);
381 sfc_log_init(sa, "RxQ=%u", sw_index);
383 sa->eth_dev->data->rx_queues[sw_index] = NULL;
385 sfc_rx_qfini(sa, sw_index);
387 sfc_adapter_unlock(sa);
391 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
392 uint16_t nb_tx_desc, unsigned int socket_id,
393 const struct rte_eth_txconf *tx_conf)
395 struct sfc_adapter *sa = dev->data->dev_private;
398 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
399 tx_queue_id, nb_tx_desc, socket_id);
401 sfc_adapter_lock(sa);
403 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
407 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq;
409 sfc_adapter_unlock(sa);
413 sfc_adapter_unlock(sa);
419 sfc_tx_queue_release(void *queue)
421 struct sfc_txq *txq = queue;
422 unsigned int sw_index;
423 struct sfc_adapter *sa;
428 sw_index = sfc_txq_sw_index(txq);
430 SFC_ASSERT(txq->evq != NULL);
433 sfc_log_init(sa, "TxQ = %u", sw_index);
435 sfc_adapter_lock(sa);
437 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
438 sa->eth_dev->data->tx_queues[sw_index] = NULL;
440 sfc_tx_qfini(sa, sw_index);
442 sfc_adapter_unlock(sa);
446 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
448 struct sfc_adapter *sa = dev->data->dev_private;
449 struct sfc_port *port = &sa->port;
452 rte_spinlock_lock(&port->mac_stats_lock);
454 if (sfc_port_update_mac_stats(sa) != 0)
457 mac_stats = port->mac_stats_buf;
459 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
460 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
462 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
463 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
464 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
466 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
467 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
468 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
470 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
471 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
472 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
474 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
475 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
476 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
477 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
478 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
479 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
481 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
482 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
483 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
484 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
486 * Take into account stats which are whenever supported
487 * on EF10. If some stat is not supported by current
488 * firmware variant or HW revision, it is guaranteed
489 * to be zero in mac_stats.
492 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
493 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
494 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
495 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
496 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
497 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
498 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
499 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
500 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
501 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
503 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
504 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
505 mac_stats[EFX_MAC_RX_JABBER_PKTS];
506 /* no oerrors counters supported on EF10 */
510 rte_spinlock_unlock(&port->mac_stats_lock);
514 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
515 unsigned int xstats_count)
517 struct sfc_adapter *sa = dev->data->dev_private;
518 struct sfc_port *port = &sa->port;
524 rte_spinlock_lock(&port->mac_stats_lock);
526 rc = sfc_port_update_mac_stats(sa);
533 mac_stats = port->mac_stats_buf;
535 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
536 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
537 if (xstats != NULL && nstats < (int)xstats_count) {
538 xstats[nstats].id = nstats;
539 xstats[nstats].value = mac_stats[i];
546 rte_spinlock_unlock(&port->mac_stats_lock);
552 sfc_xstats_get_names(struct rte_eth_dev *dev,
553 struct rte_eth_xstat_name *xstats_names,
554 unsigned int xstats_count)
556 struct sfc_adapter *sa = dev->data->dev_private;
557 struct sfc_port *port = &sa->port;
559 unsigned int nstats = 0;
561 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
562 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
563 if (xstats_names != NULL && nstats < xstats_count)
564 strncpy(xstats_names[nstats].name,
565 efx_mac_stat_name(sa->nic, i),
566 sizeof(xstats_names[0].name));
575 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
577 struct sfc_adapter *sa = dev->data->dev_private;
578 unsigned int wanted_fc, link_fc;
580 memset(fc_conf, 0, sizeof(*fc_conf));
582 sfc_adapter_lock(sa);
584 if (sa->state == SFC_ADAPTER_STARTED)
585 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
587 link_fc = sa->port.flow_ctrl;
591 fc_conf->mode = RTE_FC_NONE;
593 case EFX_FCNTL_RESPOND:
594 fc_conf->mode = RTE_FC_RX_PAUSE;
596 case EFX_FCNTL_GENERATE:
597 fc_conf->mode = RTE_FC_TX_PAUSE;
599 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
600 fc_conf->mode = RTE_FC_FULL;
603 sfc_err(sa, "%s: unexpected flow control value %#x",
607 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
609 sfc_adapter_unlock(sa);
615 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
617 struct sfc_adapter *sa = dev->data->dev_private;
618 struct sfc_port *port = &sa->port;
622 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
623 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
624 fc_conf->mac_ctrl_frame_fwd != 0) {
625 sfc_err(sa, "unsupported flow control settings specified");
630 switch (fc_conf->mode) {
634 case RTE_FC_RX_PAUSE:
635 fcntl = EFX_FCNTL_RESPOND;
637 case RTE_FC_TX_PAUSE:
638 fcntl = EFX_FCNTL_GENERATE;
641 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
648 sfc_adapter_lock(sa);
650 if (sa->state == SFC_ADAPTER_STARTED) {
651 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
653 goto fail_mac_fcntl_set;
656 port->flow_ctrl = fcntl;
657 port->flow_ctrl_autoneg = fc_conf->autoneg;
659 sfc_adapter_unlock(sa);
664 sfc_adapter_unlock(sa);
671 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
673 struct sfc_adapter *sa = dev->data->dev_private;
674 size_t pdu = EFX_MAC_PDU(mtu);
678 sfc_log_init(sa, "mtu=%u", mtu);
681 if (pdu < EFX_MAC_PDU_MIN) {
682 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
683 (unsigned int)mtu, (unsigned int)pdu,
687 if (pdu > EFX_MAC_PDU_MAX) {
688 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
689 (unsigned int)mtu, (unsigned int)pdu,
694 sfc_adapter_lock(sa);
696 if (pdu != sa->port.pdu) {
697 if (sa->state == SFC_ADAPTER_STARTED) {
700 old_pdu = sa->port.pdu;
711 * The driver does not use it, but other PMDs update jumbo_frame
712 * flag and max_rx_pkt_len when MTU is set.
714 dev->data->dev_conf.rxmode.jumbo_frame = (mtu > ETHER_MAX_LEN);
715 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
717 sfc_adapter_unlock(sa);
719 sfc_log_init(sa, "done");
723 sa->port.pdu = old_pdu;
724 if (sfc_start(sa) != 0)
725 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
726 "PDU max size - port is stopped",
727 (unsigned int)pdu, (unsigned int)old_pdu);
728 sfc_adapter_unlock(sa);
731 sfc_log_init(sa, "failed %d", rc);
736 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
738 struct sfc_adapter *sa = dev->data->dev_private;
739 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
742 sfc_adapter_lock(sa);
744 if (sa->state != SFC_ADAPTER_STARTED) {
745 sfc_info(sa, "the port is not started");
746 sfc_info(sa, "the new MAC address will be set on port start");
751 if (encp->enc_allow_set_mac_with_installed_filters) {
752 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
754 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
759 * Changing the MAC address by means of MCDI request
760 * has no effect on received traffic, therefore
761 * we also need to update unicast filters
763 rc = sfc_set_rx_mode(sa);
765 sfc_err(sa, "cannot set filter (rc = %u)", rc);
767 sfc_warn(sa, "cannot set MAC address with filters installed");
768 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
769 sfc_warn(sa, "(some traffic may be dropped)");
772 * Since setting MAC address with filters installed is not
773 * allowed on the adapter, one needs to simply restart adapter
774 * so that the new MAC address will be taken from an outer
775 * storage and set flawlessly by means of sfc_start() call
780 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
784 sfc_adapter_unlock(sa);
789 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
792 struct sfc_adapter *sa = dev->data->dev_private;
798 if (nb_mc_addr > EFX_MAC_MULTICAST_LIST_MAX) {
799 sfc_err(sa, "too many multicast addresses: %u > %u",
800 nb_mc_addr, EFX_MAC_MULTICAST_LIST_MAX);
804 mc_addrs_p = rte_calloc("mc-addrs", nb_mc_addr, EFX_MAC_ADDR_LEN, 0);
805 if (mc_addrs_p == NULL)
808 mc_addrs = mc_addrs_p;
810 for (i = 0; i < nb_mc_addr; ++i) {
811 (void)rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
813 mc_addrs += EFX_MAC_ADDR_LEN;
816 rc = efx_mac_multicast_list_set(sa->nic, mc_addrs_p, nb_mc_addr);
818 rte_free(mc_addrs_p);
821 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
828 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
829 struct rte_eth_rxq_info *qinfo)
831 struct sfc_adapter *sa = dev->data->dev_private;
832 struct sfc_rxq_info *rxq_info;
835 sfc_adapter_lock(sa);
837 SFC_ASSERT(rx_queue_id < sa->rxq_count);
839 rxq_info = &sa->rxq_info[rx_queue_id];
841 SFC_ASSERT(rxq != NULL);
843 qinfo->mp = rxq->refill_mb_pool;
844 qinfo->conf.rx_free_thresh = rxq->refill_threshold;
845 qinfo->conf.rx_drop_en = 1;
846 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
847 qinfo->scattered_rx = (rxq_info->type == EFX_RXQ_TYPE_SCATTER);
848 qinfo->nb_desc = rxq_info->entries;
850 sfc_adapter_unlock(sa);
854 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
855 struct rte_eth_txq_info *qinfo)
857 struct sfc_adapter *sa = dev->data->dev_private;
858 struct sfc_txq_info *txq_info;
860 sfc_adapter_lock(sa);
862 SFC_ASSERT(tx_queue_id < sa->txq_count);
864 txq_info = &sa->txq_info[tx_queue_id];
865 SFC_ASSERT(txq_info->txq != NULL);
867 memset(qinfo, 0, sizeof(*qinfo));
869 qinfo->conf.txq_flags = txq_info->txq->flags;
870 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
871 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
872 qinfo->nb_desc = txq_info->entries;
874 sfc_adapter_unlock(sa);
878 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
880 struct sfc_adapter *sa = dev->data->dev_private;
882 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
884 return sfc_rx_qdesc_npending(sa, rx_queue_id);
888 sfc_rx_descriptor_done(void *queue, uint16_t offset)
890 struct sfc_rxq *rxq = queue;
892 return sfc_rx_qdesc_done(rxq, offset);
896 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
898 struct sfc_adapter *sa = dev->data->dev_private;
901 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
903 sfc_adapter_lock(sa);
906 if (sa->state != SFC_ADAPTER_STARTED)
907 goto fail_not_started;
909 rc = sfc_rx_qstart(sa, rx_queue_id);
913 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
915 sfc_adapter_unlock(sa);
921 sfc_adapter_unlock(sa);
927 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
929 struct sfc_adapter *sa = dev->data->dev_private;
931 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
933 sfc_adapter_lock(sa);
934 sfc_rx_qstop(sa, rx_queue_id);
936 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
938 sfc_adapter_unlock(sa);
944 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
946 struct sfc_adapter *sa = dev->data->dev_private;
949 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
951 sfc_adapter_lock(sa);
954 if (sa->state != SFC_ADAPTER_STARTED)
955 goto fail_not_started;
957 rc = sfc_tx_qstart(sa, tx_queue_id);
961 sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
963 sfc_adapter_unlock(sa);
969 sfc_adapter_unlock(sa);
975 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
977 struct sfc_adapter *sa = dev->data->dev_private;
979 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
981 sfc_adapter_lock(sa);
983 sfc_tx_qstop(sa, tx_queue_id);
985 sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
987 sfc_adapter_unlock(sa);
991 static const struct eth_dev_ops sfc_eth_dev_ops = {
992 .dev_configure = sfc_dev_configure,
993 .dev_start = sfc_dev_start,
994 .dev_stop = sfc_dev_stop,
995 .dev_set_link_up = sfc_dev_set_link_up,
996 .dev_set_link_down = sfc_dev_set_link_down,
997 .dev_close = sfc_dev_close,
998 .promiscuous_enable = sfc_dev_promisc_enable,
999 .promiscuous_disable = sfc_dev_promisc_disable,
1000 .allmulticast_enable = sfc_dev_allmulti_enable,
1001 .allmulticast_disable = sfc_dev_allmulti_disable,
1002 .link_update = sfc_dev_link_update,
1003 .stats_get = sfc_stats_get,
1004 .xstats_get = sfc_xstats_get,
1005 .xstats_get_names = sfc_xstats_get_names,
1006 .dev_infos_get = sfc_dev_infos_get,
1007 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1008 .mtu_set = sfc_dev_set_mtu,
1009 .rx_queue_start = sfc_rx_queue_start,
1010 .rx_queue_stop = sfc_rx_queue_stop,
1011 .tx_queue_start = sfc_tx_queue_start,
1012 .tx_queue_stop = sfc_tx_queue_stop,
1013 .rx_queue_setup = sfc_rx_queue_setup,
1014 .rx_queue_release = sfc_rx_queue_release,
1015 .rx_queue_count = sfc_rx_queue_count,
1016 .rx_descriptor_done = sfc_rx_descriptor_done,
1017 .tx_queue_setup = sfc_tx_queue_setup,
1018 .tx_queue_release = sfc_tx_queue_release,
1019 .flow_ctrl_get = sfc_flow_ctrl_get,
1020 .flow_ctrl_set = sfc_flow_ctrl_set,
1021 .mac_addr_set = sfc_mac_addr_set,
1022 .set_mc_addr_list = sfc_set_mc_addr_list,
1023 .rxq_info_get = sfc_rx_queue_info_get,
1024 .txq_info_get = sfc_tx_queue_info_get,
1028 sfc_eth_dev_init(struct rte_eth_dev *dev)
1030 struct sfc_adapter *sa = dev->data->dev_private;
1031 struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(dev);
1033 const efx_nic_cfg_t *encp;
1034 const struct ether_addr *from;
1036 /* Required for logging */
1039 /* Copy PCI device info to the dev->data */
1040 rte_eth_copy_pci_info(dev, pci_dev);
1042 rc = sfc_kvargs_parse(sa);
1044 goto fail_kvargs_parse;
1046 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
1047 sfc_kvarg_bool_handler, &sa->debug_init);
1049 goto fail_kvarg_debug_init;
1051 sfc_log_init(sa, "entry");
1053 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1054 if (dev->data->mac_addrs == NULL) {
1056 goto fail_mac_addrs;
1059 sfc_adapter_lock_init(sa);
1060 sfc_adapter_lock(sa);
1062 sfc_log_init(sa, "attaching");
1063 rc = sfc_attach(sa);
1067 encp = efx_nic_cfg_get(sa->nic);
1070 * The arguments are really reverse order in comparison to
1071 * Linux kernel. Copy from NIC config to Ethernet device data.
1073 from = (const struct ether_addr *)(encp->enc_mac_addr);
1074 ether_addr_copy(from, &dev->data->mac_addrs[0]);
1076 dev->dev_ops = &sfc_eth_dev_ops;
1077 dev->rx_pkt_burst = &sfc_recv_pkts;
1078 dev->tx_pkt_burst = &sfc_xmit_pkts;
1080 sfc_adapter_unlock(sa);
1082 sfc_log_init(sa, "done");
1086 sfc_adapter_unlock(sa);
1087 sfc_adapter_lock_fini(sa);
1088 rte_free(dev->data->mac_addrs);
1089 dev->data->mac_addrs = NULL;
1092 fail_kvarg_debug_init:
1093 sfc_kvargs_cleanup(sa);
1096 sfc_log_init(sa, "failed %d", rc);
1102 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
1104 struct sfc_adapter *sa = dev->data->dev_private;
1106 sfc_log_init(sa, "entry");
1108 sfc_adapter_lock(sa);
1112 rte_free(dev->data->mac_addrs);
1113 dev->data->mac_addrs = NULL;
1115 dev->dev_ops = NULL;
1116 dev->rx_pkt_burst = NULL;
1117 dev->tx_pkt_burst = NULL;
1119 sfc_kvargs_cleanup(sa);
1121 sfc_adapter_unlock(sa);
1122 sfc_adapter_lock_fini(sa);
1124 sfc_log_init(sa, "done");
1126 /* Required for logging, so cleanup last */
1131 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
1132 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
1133 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
1134 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
1135 { .vendor_id = 0 /* sentinel */ }
1138 static struct eth_driver sfc_efx_pmd = {
1140 .id_table = pci_id_sfc_efx_map,
1142 RTE_PCI_DRV_INTR_LSC |
1143 RTE_PCI_DRV_NEED_MAPPING,
1144 .probe = rte_eth_dev_pci_probe,
1145 .remove = rte_eth_dev_pci_remove,
1147 .eth_dev_init = sfc_eth_dev_init,
1148 .eth_dev_uninit = sfc_eth_dev_uninit,
1149 .dev_private_size = sizeof(struct sfc_adapter),
1152 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd.pci_drv);
1153 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
1154 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
1155 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
1156 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
1157 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);