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;
50 sfc_log_init(sa, "entry");
52 dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
53 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
55 /* Autonegotiation may be disabled */
56 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
57 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
58 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
59 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
60 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
61 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
62 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
64 dev_info->max_rx_queues = sa->rxq_max;
65 dev_info->max_tx_queues = sa->txq_max;
67 /* By default packets are dropped if no descriptors are available */
68 dev_info->default_rxconf.rx_drop_en = 1;
70 dev_info->tx_offload_capa =
71 DEV_TX_OFFLOAD_IPV4_CKSUM |
72 DEV_TX_OFFLOAD_UDP_CKSUM |
73 DEV_TX_OFFLOAD_TCP_CKSUM;
75 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOVLANOFFL |
76 ETH_TXQ_FLAGS_NOXSUMSCTP;
78 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
79 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
80 /* The RXQ hardware requires that the descriptor count is a power
81 * of 2, but rx_desc_lim cannot properly describe that constraint.
83 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
85 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
86 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
88 * The TXQ hardware requires that the descriptor count is a power
89 * of 2, but tx_desc_lim cannot properly describe that constraint
91 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
95 sfc_dev_configure(struct rte_eth_dev *dev)
97 struct rte_eth_dev_data *dev_data = dev->data;
98 struct sfc_adapter *sa = dev_data->dev_private;
101 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
102 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
104 sfc_adapter_lock(sa);
106 case SFC_ADAPTER_CONFIGURED:
108 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
110 case SFC_ADAPTER_INITIALIZED:
111 rc = sfc_configure(sa);
114 sfc_err(sa, "unexpected adapter state %u to configure",
119 sfc_adapter_unlock(sa);
121 sfc_log_init(sa, "done %d", rc);
127 sfc_dev_start(struct rte_eth_dev *dev)
129 struct sfc_adapter *sa = dev->data->dev_private;
132 sfc_log_init(sa, "entry");
134 sfc_adapter_lock(sa);
136 sfc_adapter_unlock(sa);
138 sfc_log_init(sa, "done %d", rc);
144 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
146 struct sfc_adapter *sa = dev->data->dev_private;
147 struct rte_eth_link *dev_link = &dev->data->dev_link;
148 struct rte_eth_link old_link;
149 struct rte_eth_link current_link;
151 sfc_log_init(sa, "entry");
153 if (sa->state != SFC_ADAPTER_STARTED)
157 EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
158 *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
160 if (wait_to_complete) {
161 efx_link_mode_t link_mode;
163 efx_port_poll(sa->nic, &link_mode);
164 sfc_port_link_mode_to_info(link_mode, ¤t_link);
166 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
167 *(uint64_t *)&old_link,
168 *(uint64_t *)¤t_link))
171 sfc_ev_mgmt_qpoll(sa);
172 *(int64_t *)¤t_link =
173 rte_atomic64_read((rte_atomic64_t *)dev_link);
176 if (old_link.link_status != current_link.link_status)
177 sfc_info(sa, "Link status is %s",
178 current_link.link_status ? "UP" : "DOWN");
180 return old_link.link_status == current_link.link_status ? 0 : -1;
184 sfc_dev_stop(struct rte_eth_dev *dev)
186 struct sfc_adapter *sa = dev->data->dev_private;
188 sfc_log_init(sa, "entry");
190 sfc_adapter_lock(sa);
192 sfc_adapter_unlock(sa);
194 sfc_log_init(sa, "done");
198 sfc_dev_set_link_up(struct rte_eth_dev *dev)
200 struct sfc_adapter *sa = dev->data->dev_private;
203 sfc_log_init(sa, "entry");
205 sfc_adapter_lock(sa);
207 sfc_adapter_unlock(sa);
214 sfc_dev_set_link_down(struct rte_eth_dev *dev)
216 struct sfc_adapter *sa = dev->data->dev_private;
218 sfc_log_init(sa, "entry");
220 sfc_adapter_lock(sa);
222 sfc_adapter_unlock(sa);
228 sfc_dev_close(struct rte_eth_dev *dev)
230 struct sfc_adapter *sa = dev->data->dev_private;
232 sfc_log_init(sa, "entry");
234 sfc_adapter_lock(sa);
236 case SFC_ADAPTER_STARTED:
238 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
240 case SFC_ADAPTER_CONFIGURED:
242 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
244 case SFC_ADAPTER_INITIALIZED:
247 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
250 sfc_adapter_unlock(sa);
252 sfc_log_init(sa, "done");
256 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
259 struct sfc_port *port;
261 struct sfc_adapter *sa = dev->data->dev_private;
262 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
263 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
265 sfc_adapter_lock(sa);
268 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
270 if (*toggle != enabled) {
273 if ((sa->state == SFC_ADAPTER_STARTED) &&
274 (sfc_set_rx_mode(sa) != 0)) {
275 *toggle = !(enabled);
276 sfc_warn(sa, "Failed to %s %s mode",
277 ((enabled) ? "enable" : "disable"), desc);
281 sfc_adapter_unlock(sa);
285 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
287 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
291 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
293 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
297 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
299 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
303 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
305 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
309 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
310 uint16_t nb_rx_desc, unsigned int socket_id,
311 const struct rte_eth_rxconf *rx_conf,
312 struct rte_mempool *mb_pool)
314 struct sfc_adapter *sa = dev->data->dev_private;
317 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
318 rx_queue_id, nb_rx_desc, socket_id);
320 sfc_adapter_lock(sa);
322 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
327 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq;
329 sfc_adapter_unlock(sa);
334 sfc_adapter_unlock(sa);
340 sfc_rx_queue_release(void *queue)
342 struct sfc_rxq *rxq = queue;
343 struct sfc_adapter *sa;
344 unsigned int sw_index;
350 sfc_adapter_lock(sa);
352 sw_index = sfc_rxq_sw_index(rxq);
354 sfc_log_init(sa, "RxQ=%u", sw_index);
356 sa->eth_dev->data->rx_queues[sw_index] = NULL;
358 sfc_rx_qfini(sa, sw_index);
360 sfc_adapter_unlock(sa);
364 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
365 uint16_t nb_tx_desc, unsigned int socket_id,
366 const struct rte_eth_txconf *tx_conf)
368 struct sfc_adapter *sa = dev->data->dev_private;
371 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
372 tx_queue_id, nb_tx_desc, socket_id);
374 sfc_adapter_lock(sa);
376 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
380 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq;
382 sfc_adapter_unlock(sa);
386 sfc_adapter_unlock(sa);
392 sfc_tx_queue_release(void *queue)
394 struct sfc_txq *txq = queue;
395 unsigned int sw_index;
396 struct sfc_adapter *sa;
401 sw_index = sfc_txq_sw_index(txq);
403 SFC_ASSERT(txq->evq != NULL);
406 sfc_log_init(sa, "TxQ = %u", sw_index);
408 sfc_adapter_lock(sa);
410 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
411 sa->eth_dev->data->tx_queues[sw_index] = NULL;
413 sfc_tx_qfini(sa, sw_index);
415 sfc_adapter_unlock(sa);
419 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
421 struct sfc_adapter *sa = dev->data->dev_private;
422 struct sfc_port *port = &sa->port;
425 rte_spinlock_lock(&port->mac_stats_lock);
427 if (sfc_port_update_mac_stats(sa) != 0)
430 mac_stats = port->mac_stats_buf;
432 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
433 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
435 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
436 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
437 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
439 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
440 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
441 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
443 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
444 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
445 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
447 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
448 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
449 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
450 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
451 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
452 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
454 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
455 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
456 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
457 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
459 * Take into account stats which are whenever supported
460 * on EF10. If some stat is not supported by current
461 * firmware variant or HW revision, it is guaranteed
462 * to be zero in mac_stats.
465 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
466 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
467 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
468 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
469 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
470 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
471 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
472 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
473 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
474 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
476 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
477 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
478 mac_stats[EFX_MAC_RX_JABBER_PKTS];
479 /* no oerrors counters supported on EF10 */
483 rte_spinlock_unlock(&port->mac_stats_lock);
487 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
488 unsigned int xstats_count)
490 struct sfc_adapter *sa = dev->data->dev_private;
491 struct sfc_port *port = &sa->port;
497 rte_spinlock_lock(&port->mac_stats_lock);
499 rc = sfc_port_update_mac_stats(sa);
506 mac_stats = port->mac_stats_buf;
508 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
509 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
510 if (xstats != NULL && nstats < (int)xstats_count) {
511 xstats[nstats].id = nstats;
512 xstats[nstats].value = mac_stats[i];
519 rte_spinlock_unlock(&port->mac_stats_lock);
525 sfc_xstats_get_names(struct rte_eth_dev *dev,
526 struct rte_eth_xstat_name *xstats_names,
527 unsigned int xstats_count)
529 struct sfc_adapter *sa = dev->data->dev_private;
530 struct sfc_port *port = &sa->port;
532 unsigned int nstats = 0;
534 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
535 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
536 if (xstats_names != NULL && nstats < xstats_count)
537 strncpy(xstats_names[nstats].name,
538 efx_mac_stat_name(sa->nic, i),
539 sizeof(xstats_names[0].name));
548 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
550 struct sfc_adapter *sa = dev->data->dev_private;
551 unsigned int wanted_fc, link_fc;
553 memset(fc_conf, 0, sizeof(*fc_conf));
555 sfc_adapter_lock(sa);
557 if (sa->state == SFC_ADAPTER_STARTED)
558 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
560 link_fc = sa->port.flow_ctrl;
564 fc_conf->mode = RTE_FC_NONE;
566 case EFX_FCNTL_RESPOND:
567 fc_conf->mode = RTE_FC_RX_PAUSE;
569 case EFX_FCNTL_GENERATE:
570 fc_conf->mode = RTE_FC_TX_PAUSE;
572 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
573 fc_conf->mode = RTE_FC_FULL;
576 sfc_err(sa, "%s: unexpected flow control value %#x",
580 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
582 sfc_adapter_unlock(sa);
588 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
590 struct sfc_adapter *sa = dev->data->dev_private;
591 struct sfc_port *port = &sa->port;
595 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
596 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
597 fc_conf->mac_ctrl_frame_fwd != 0) {
598 sfc_err(sa, "unsupported flow control settings specified");
603 switch (fc_conf->mode) {
607 case RTE_FC_RX_PAUSE:
608 fcntl = EFX_FCNTL_RESPOND;
610 case RTE_FC_TX_PAUSE:
611 fcntl = EFX_FCNTL_GENERATE;
614 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
621 sfc_adapter_lock(sa);
623 if (sa->state == SFC_ADAPTER_STARTED) {
624 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
626 goto fail_mac_fcntl_set;
629 port->flow_ctrl = fcntl;
630 port->flow_ctrl_autoneg = fc_conf->autoneg;
632 sfc_adapter_unlock(sa);
637 sfc_adapter_unlock(sa);
644 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
646 struct sfc_adapter *sa = dev->data->dev_private;
647 size_t pdu = EFX_MAC_PDU(mtu);
651 sfc_log_init(sa, "mtu=%u", mtu);
654 if (pdu < EFX_MAC_PDU_MIN) {
655 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
656 (unsigned int)mtu, (unsigned int)pdu,
660 if (pdu > EFX_MAC_PDU_MAX) {
661 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
662 (unsigned int)mtu, (unsigned int)pdu,
667 sfc_adapter_lock(sa);
669 if (pdu != sa->port.pdu) {
670 if (sa->state == SFC_ADAPTER_STARTED) {
673 old_pdu = sa->port.pdu;
684 * The driver does not use it, but other PMDs update jumbo_frame
685 * flag and max_rx_pkt_len when MTU is set.
687 dev->data->dev_conf.rxmode.jumbo_frame = (mtu > ETHER_MAX_LEN);
688 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
690 sfc_adapter_unlock(sa);
692 sfc_log_init(sa, "done");
696 sa->port.pdu = old_pdu;
697 if (sfc_start(sa) != 0)
698 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
699 "PDU max size - port is stopped",
700 (unsigned int)pdu, (unsigned int)old_pdu);
701 sfc_adapter_unlock(sa);
704 sfc_log_init(sa, "failed %d", rc);
709 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
711 struct sfc_adapter *sa = dev->data->dev_private;
712 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
715 sfc_adapter_lock(sa);
717 if (sa->state != SFC_ADAPTER_STARTED) {
718 sfc_info(sa, "the port is not started");
719 sfc_info(sa, "the new MAC address will be set on port start");
724 if (encp->enc_allow_set_mac_with_installed_filters) {
725 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
727 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
732 * Changing the MAC address by means of MCDI request
733 * has no effect on received traffic, therefore
734 * we also need to update unicast filters
736 rc = sfc_set_rx_mode(sa);
738 sfc_err(sa, "cannot set filter (rc = %u)", rc);
740 sfc_warn(sa, "cannot set MAC address with filters installed");
741 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
742 sfc_warn(sa, "(some traffic may be dropped)");
745 * Since setting MAC address with filters installed is not
746 * allowed on the adapter, one needs to simply restart adapter
747 * so that the new MAC address will be taken from an outer
748 * storage and set flawlessly by means of sfc_start() call
753 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
757 sfc_adapter_unlock(sa);
761 static const struct eth_dev_ops sfc_eth_dev_ops = {
762 .dev_configure = sfc_dev_configure,
763 .dev_start = sfc_dev_start,
764 .dev_stop = sfc_dev_stop,
765 .dev_set_link_up = sfc_dev_set_link_up,
766 .dev_set_link_down = sfc_dev_set_link_down,
767 .dev_close = sfc_dev_close,
768 .promiscuous_enable = sfc_dev_promisc_enable,
769 .promiscuous_disable = sfc_dev_promisc_disable,
770 .allmulticast_enable = sfc_dev_allmulti_enable,
771 .allmulticast_disable = sfc_dev_allmulti_disable,
772 .link_update = sfc_dev_link_update,
773 .stats_get = sfc_stats_get,
774 .xstats_get = sfc_xstats_get,
775 .xstats_get_names = sfc_xstats_get_names,
776 .dev_infos_get = sfc_dev_infos_get,
777 .mtu_set = sfc_dev_set_mtu,
778 .rx_queue_setup = sfc_rx_queue_setup,
779 .rx_queue_release = sfc_rx_queue_release,
780 .tx_queue_setup = sfc_tx_queue_setup,
781 .tx_queue_release = sfc_tx_queue_release,
782 .flow_ctrl_get = sfc_flow_ctrl_get,
783 .flow_ctrl_set = sfc_flow_ctrl_set,
784 .mac_addr_set = sfc_mac_addr_set,
788 sfc_eth_dev_init(struct rte_eth_dev *dev)
790 struct sfc_adapter *sa = dev->data->dev_private;
791 struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(dev);
793 const efx_nic_cfg_t *encp;
794 const struct ether_addr *from;
796 /* Required for logging */
799 /* Copy PCI device info to the dev->data */
800 rte_eth_copy_pci_info(dev, pci_dev);
802 rc = sfc_kvargs_parse(sa);
804 goto fail_kvargs_parse;
806 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
807 sfc_kvarg_bool_handler, &sa->debug_init);
809 goto fail_kvarg_debug_init;
811 sfc_log_init(sa, "entry");
813 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
814 if (dev->data->mac_addrs == NULL) {
819 sfc_adapter_lock_init(sa);
820 sfc_adapter_lock(sa);
822 sfc_log_init(sa, "attaching");
827 encp = efx_nic_cfg_get(sa->nic);
830 * The arguments are really reverse order in comparison to
831 * Linux kernel. Copy from NIC config to Ethernet device data.
833 from = (const struct ether_addr *)(encp->enc_mac_addr);
834 ether_addr_copy(from, &dev->data->mac_addrs[0]);
836 dev->dev_ops = &sfc_eth_dev_ops;
837 dev->rx_pkt_burst = &sfc_recv_pkts;
838 dev->tx_pkt_burst = &sfc_xmit_pkts;
840 sfc_adapter_unlock(sa);
842 sfc_log_init(sa, "done");
846 sfc_adapter_unlock(sa);
847 sfc_adapter_lock_fini(sa);
848 rte_free(dev->data->mac_addrs);
849 dev->data->mac_addrs = NULL;
852 fail_kvarg_debug_init:
853 sfc_kvargs_cleanup(sa);
856 sfc_log_init(sa, "failed %d", rc);
862 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
864 struct sfc_adapter *sa = dev->data->dev_private;
866 sfc_log_init(sa, "entry");
868 sfc_adapter_lock(sa);
872 rte_free(dev->data->mac_addrs);
873 dev->data->mac_addrs = NULL;
876 dev->rx_pkt_burst = NULL;
877 dev->tx_pkt_burst = NULL;
879 sfc_kvargs_cleanup(sa);
881 sfc_adapter_unlock(sa);
882 sfc_adapter_lock_fini(sa);
884 sfc_log_init(sa, "done");
886 /* Required for logging, so cleanup last */
891 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
892 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
893 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
894 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
895 { .vendor_id = 0 /* sentinel */ }
898 static struct eth_driver sfc_efx_pmd = {
900 .id_table = pci_id_sfc_efx_map,
902 RTE_PCI_DRV_INTR_LSC |
903 RTE_PCI_DRV_NEED_MAPPING,
904 .probe = rte_eth_dev_pci_probe,
905 .remove = rte_eth_dev_pci_remove,
907 .eth_dev_init = sfc_eth_dev_init,
908 .eth_dev_uninit = sfc_eth_dev_uninit,
909 .dev_private_size = sizeof(struct sfc_adapter),
912 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd.pci_drv);
913 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
914 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
915 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
916 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
917 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);