4 * Copyright (c) 2016-2017 Solarflare Communications Inc.
7 * This software was jointly developed between OKTET Labs (under contract
8 * for Solarflare) and Solarflare Communications, Inc.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions are met:
13 * 1. Redistributions of source code must retain the above copyright notice,
14 * this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright notice,
16 * this list of conditions and the following disclaimer in the documentation
17 * and/or other materials provided with the distribution.
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
29 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 #include <rte_ethdev.h>
34 #include <rte_ethdev_pci.h>
36 #include <rte_bus_pci.h>
37 #include <rte_errno.h>
42 #include "sfc_debug.h"
44 #include "sfc_kvargs.h"
50 #include "sfc_dp_rx.h"
52 static struct sfc_dp_list sfc_dp_head =
53 TAILQ_HEAD_INITIALIZER(sfc_dp_head);
56 sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
58 struct sfc_adapter *sa = dev->data->dev_private;
59 efx_nic_fw_info_t enfi;
64 * Return value of the callback is likely supposed to be
65 * equal to or greater than 0, nevertheless, if an error
66 * occurs, it will be desirable to pass it to the caller
68 if ((fw_version == NULL) || (fw_size == 0))
71 rc = efx_nic_get_fw_version(sa->nic, &enfi);
75 ret = snprintf(fw_version, fw_size,
76 "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
77 enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
78 enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
82 if (enfi.enfi_dpcpu_fw_ids_valid) {
83 size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
86 ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
87 fw_size - dpcpu_fw_ids_offset,
88 " rx%" PRIx16 " tx%" PRIx16,
89 enfi.enfi_rx_dpcpu_fw_id,
90 enfi.enfi_tx_dpcpu_fw_id);
97 if (fw_size < (size_t)(++ret))
104 sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
106 struct sfc_adapter *sa = dev->data->dev_private;
107 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
109 sfc_log_init(sa, "entry");
111 dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
112 dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
114 /* Autonegotiation may be disabled */
115 dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
116 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
117 dev_info->speed_capa |= ETH_LINK_SPEED_1G;
118 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
119 dev_info->speed_capa |= ETH_LINK_SPEED_10G;
120 if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
121 dev_info->speed_capa |= ETH_LINK_SPEED_40G;
123 dev_info->max_rx_queues = sa->rxq_max;
124 dev_info->max_tx_queues = sa->txq_max;
126 /* By default packets are dropped if no descriptors are available */
127 dev_info->default_rxconf.rx_drop_en = 1;
129 dev_info->rx_offload_capa =
130 DEV_RX_OFFLOAD_IPV4_CKSUM |
131 DEV_RX_OFFLOAD_UDP_CKSUM |
132 DEV_RX_OFFLOAD_TCP_CKSUM;
134 dev_info->tx_offload_capa =
135 DEV_TX_OFFLOAD_IPV4_CKSUM |
136 DEV_TX_OFFLOAD_UDP_CKSUM |
137 DEV_TX_OFFLOAD_TCP_CKSUM;
139 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
140 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
141 !encp->enc_hw_tx_insert_vlan_enabled)
142 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
144 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
146 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
147 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
149 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL)
150 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP;
152 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT)
153 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT;
155 #if EFSYS_OPT_RX_SCALE
156 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
157 dev_info->reta_size = EFX_RSS_TBL_SIZE;
158 dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
159 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
164 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
166 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
167 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
168 /* The RXQ hardware requires that the descriptor count is a power
169 * of 2, but rx_desc_lim cannot properly describe that constraint.
171 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
173 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
174 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
176 * The TXQ hardware requires that the descriptor count is a power
177 * of 2, but tx_desc_lim cannot properly describe that constraint
179 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
182 static const uint32_t *
183 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
185 struct sfc_adapter *sa = dev->data->dev_private;
187 return sa->dp_rx->supported_ptypes_get();
191 sfc_dev_configure(struct rte_eth_dev *dev)
193 struct rte_eth_dev_data *dev_data = dev->data;
194 struct sfc_adapter *sa = dev_data->dev_private;
197 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
198 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
200 sfc_adapter_lock(sa);
202 case SFC_ADAPTER_CONFIGURED:
204 case SFC_ADAPTER_INITIALIZED:
205 rc = sfc_configure(sa);
208 sfc_err(sa, "unexpected adapter state %u to configure",
213 sfc_adapter_unlock(sa);
215 sfc_log_init(sa, "done %d", rc);
221 sfc_dev_start(struct rte_eth_dev *dev)
223 struct sfc_adapter *sa = dev->data->dev_private;
226 sfc_log_init(sa, "entry");
228 sfc_adapter_lock(sa);
230 sfc_adapter_unlock(sa);
232 sfc_log_init(sa, "done %d", rc);
238 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
240 struct sfc_adapter *sa = dev->data->dev_private;
241 struct rte_eth_link *dev_link = &dev->data->dev_link;
242 struct rte_eth_link old_link;
243 struct rte_eth_link current_link;
245 sfc_log_init(sa, "entry");
248 EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
249 *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
251 if (sa->state != SFC_ADAPTER_STARTED) {
252 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
253 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
254 *(uint64_t *)&old_link,
255 *(uint64_t *)¤t_link))
257 } else if (wait_to_complete) {
258 efx_link_mode_t link_mode;
260 if (efx_port_poll(sa->nic, &link_mode) != 0)
261 link_mode = EFX_LINK_UNKNOWN;
262 sfc_port_link_mode_to_info(link_mode, ¤t_link);
264 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
265 *(uint64_t *)&old_link,
266 *(uint64_t *)¤t_link))
269 sfc_ev_mgmt_qpoll(sa);
270 *(int64_t *)¤t_link =
271 rte_atomic64_read((rte_atomic64_t *)dev_link);
274 if (old_link.link_status != current_link.link_status)
275 sfc_info(sa, "Link status is %s",
276 current_link.link_status ? "UP" : "DOWN");
278 return old_link.link_status == current_link.link_status ? 0 : -1;
282 sfc_dev_stop(struct rte_eth_dev *dev)
284 struct sfc_adapter *sa = dev->data->dev_private;
286 sfc_log_init(sa, "entry");
288 sfc_adapter_lock(sa);
290 sfc_adapter_unlock(sa);
292 sfc_log_init(sa, "done");
296 sfc_dev_set_link_up(struct rte_eth_dev *dev)
298 struct sfc_adapter *sa = dev->data->dev_private;
301 sfc_log_init(sa, "entry");
303 sfc_adapter_lock(sa);
305 sfc_adapter_unlock(sa);
312 sfc_dev_set_link_down(struct rte_eth_dev *dev)
314 struct sfc_adapter *sa = dev->data->dev_private;
316 sfc_log_init(sa, "entry");
318 sfc_adapter_lock(sa);
320 sfc_adapter_unlock(sa);
326 sfc_dev_close(struct rte_eth_dev *dev)
328 struct sfc_adapter *sa = dev->data->dev_private;
330 sfc_log_init(sa, "entry");
332 sfc_adapter_lock(sa);
334 case SFC_ADAPTER_STARTED:
336 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
338 case SFC_ADAPTER_CONFIGURED:
340 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
342 case SFC_ADAPTER_INITIALIZED:
345 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
348 sfc_adapter_unlock(sa);
350 sfc_log_init(sa, "done");
354 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
357 struct sfc_port *port;
359 struct sfc_adapter *sa = dev->data->dev_private;
360 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
361 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
363 sfc_adapter_lock(sa);
366 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
368 if (*toggle != enabled) {
371 if (port->isolated) {
372 sfc_warn(sa, "isolated mode is active on the port");
373 sfc_warn(sa, "the change is to be applied on the next "
374 "start provided that isolated mode is "
375 "disabled prior the next start");
376 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
377 (sfc_set_rx_mode(sa) != 0)) {
378 *toggle = !(enabled);
379 sfc_warn(sa, "Failed to %s %s mode",
380 ((enabled) ? "enable" : "disable"), desc);
384 sfc_adapter_unlock(sa);
388 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
390 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
394 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
396 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
400 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
402 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
406 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
408 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
412 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
413 uint16_t nb_rx_desc, unsigned int socket_id,
414 const struct rte_eth_rxconf *rx_conf,
415 struct rte_mempool *mb_pool)
417 struct sfc_adapter *sa = dev->data->dev_private;
420 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
421 rx_queue_id, nb_rx_desc, socket_id);
423 sfc_adapter_lock(sa);
425 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
430 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
432 sfc_adapter_unlock(sa);
437 sfc_adapter_unlock(sa);
443 sfc_rx_queue_release(void *queue)
445 struct sfc_dp_rxq *dp_rxq = queue;
447 struct sfc_adapter *sa;
448 unsigned int sw_index;
453 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
455 sfc_adapter_lock(sa);
457 sw_index = sfc_rxq_sw_index(rxq);
459 sfc_log_init(sa, "RxQ=%u", sw_index);
461 sa->eth_dev->data->rx_queues[sw_index] = NULL;
463 sfc_rx_qfini(sa, sw_index);
465 sfc_adapter_unlock(sa);
469 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
470 uint16_t nb_tx_desc, unsigned int socket_id,
471 const struct rte_eth_txconf *tx_conf)
473 struct sfc_adapter *sa = dev->data->dev_private;
476 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
477 tx_queue_id, nb_tx_desc, socket_id);
479 sfc_adapter_lock(sa);
481 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
485 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
487 sfc_adapter_unlock(sa);
491 sfc_adapter_unlock(sa);
497 sfc_tx_queue_release(void *queue)
499 struct sfc_dp_txq *dp_txq = queue;
501 unsigned int sw_index;
502 struct sfc_adapter *sa;
507 txq = sfc_txq_by_dp_txq(dp_txq);
508 sw_index = sfc_txq_sw_index(txq);
510 SFC_ASSERT(txq->evq != NULL);
513 sfc_log_init(sa, "TxQ = %u", sw_index);
515 sfc_adapter_lock(sa);
517 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
518 sa->eth_dev->data->tx_queues[sw_index] = NULL;
520 sfc_tx_qfini(sa, sw_index);
522 sfc_adapter_unlock(sa);
526 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
528 struct sfc_adapter *sa = dev->data->dev_private;
529 struct sfc_port *port = &sa->port;
533 rte_spinlock_lock(&port->mac_stats_lock);
535 ret = sfc_port_update_mac_stats(sa);
539 mac_stats = port->mac_stats_buf;
541 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
542 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
544 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
545 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
546 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
548 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
549 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
550 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
552 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
553 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
554 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
556 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
557 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
558 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
559 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
560 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
561 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
563 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
564 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
565 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
566 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
568 * Take into account stats which are whenever supported
569 * on EF10. If some stat is not supported by current
570 * firmware variant or HW revision, it is guaranteed
571 * to be zero in mac_stats.
574 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
575 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
576 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
577 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
578 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
579 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
580 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
581 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
582 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
583 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
585 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
586 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
587 mac_stats[EFX_MAC_RX_JABBER_PKTS];
588 /* no oerrors counters supported on EF10 */
592 rte_spinlock_unlock(&port->mac_stats_lock);
593 SFC_ASSERT(ret >= 0);
598 sfc_stats_reset(struct rte_eth_dev *dev)
600 struct sfc_adapter *sa = dev->data->dev_private;
601 struct sfc_port *port = &sa->port;
604 if (sa->state != SFC_ADAPTER_STARTED) {
606 * The operation cannot be done if port is not started; it
607 * will be scheduled to be done during the next port start
609 port->mac_stats_reset_pending = B_TRUE;
613 rc = sfc_port_reset_mac_stats(sa);
615 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
619 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
620 unsigned int xstats_count)
622 struct sfc_adapter *sa = dev->data->dev_private;
623 struct sfc_port *port = &sa->port;
629 rte_spinlock_lock(&port->mac_stats_lock);
631 rc = sfc_port_update_mac_stats(sa);
638 mac_stats = port->mac_stats_buf;
640 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
641 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
642 if (xstats != NULL && nstats < (int)xstats_count) {
643 xstats[nstats].id = nstats;
644 xstats[nstats].value = mac_stats[i];
651 rte_spinlock_unlock(&port->mac_stats_lock);
657 sfc_xstats_get_names(struct rte_eth_dev *dev,
658 struct rte_eth_xstat_name *xstats_names,
659 unsigned int xstats_count)
661 struct sfc_adapter *sa = dev->data->dev_private;
662 struct sfc_port *port = &sa->port;
664 unsigned int nstats = 0;
666 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
667 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
668 if (xstats_names != NULL && nstats < xstats_count)
669 strncpy(xstats_names[nstats].name,
670 efx_mac_stat_name(sa->nic, i),
671 sizeof(xstats_names[0].name));
680 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
681 uint64_t *values, unsigned int n)
683 struct sfc_adapter *sa = dev->data->dev_private;
684 struct sfc_port *port = &sa->port;
686 unsigned int nb_supported = 0;
687 unsigned int nb_written = 0;
692 if (unlikely(values == NULL) ||
693 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
694 return port->mac_stats_nb_supported;
696 rte_spinlock_lock(&port->mac_stats_lock);
698 rc = sfc_port_update_mac_stats(sa);
705 mac_stats = port->mac_stats_buf;
707 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
708 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
711 if ((ids == NULL) || (ids[nb_written] == nb_supported))
712 values[nb_written++] = mac_stats[i];
720 rte_spinlock_unlock(&port->mac_stats_lock);
726 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
727 struct rte_eth_xstat_name *xstats_names,
728 const uint64_t *ids, unsigned int size)
730 struct sfc_adapter *sa = dev->data->dev_private;
731 struct sfc_port *port = &sa->port;
732 unsigned int nb_supported = 0;
733 unsigned int nb_written = 0;
736 if (unlikely(xstats_names == NULL) ||
737 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
738 return port->mac_stats_nb_supported;
740 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
741 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
744 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
745 char *name = xstats_names[nb_written++].name;
747 strncpy(name, efx_mac_stat_name(sa->nic, i),
748 sizeof(xstats_names[0].name));
749 name[sizeof(xstats_names[0].name) - 1] = '\0';
759 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
761 struct sfc_adapter *sa = dev->data->dev_private;
762 unsigned int wanted_fc, link_fc;
764 memset(fc_conf, 0, sizeof(*fc_conf));
766 sfc_adapter_lock(sa);
768 if (sa->state == SFC_ADAPTER_STARTED)
769 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
771 link_fc = sa->port.flow_ctrl;
775 fc_conf->mode = RTE_FC_NONE;
777 case EFX_FCNTL_RESPOND:
778 fc_conf->mode = RTE_FC_RX_PAUSE;
780 case EFX_FCNTL_GENERATE:
781 fc_conf->mode = RTE_FC_TX_PAUSE;
783 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
784 fc_conf->mode = RTE_FC_FULL;
787 sfc_err(sa, "%s: unexpected flow control value %#x",
791 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
793 sfc_adapter_unlock(sa);
799 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
801 struct sfc_adapter *sa = dev->data->dev_private;
802 struct sfc_port *port = &sa->port;
806 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
807 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
808 fc_conf->mac_ctrl_frame_fwd != 0) {
809 sfc_err(sa, "unsupported flow control settings specified");
814 switch (fc_conf->mode) {
818 case RTE_FC_RX_PAUSE:
819 fcntl = EFX_FCNTL_RESPOND;
821 case RTE_FC_TX_PAUSE:
822 fcntl = EFX_FCNTL_GENERATE;
825 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
832 sfc_adapter_lock(sa);
834 if (sa->state == SFC_ADAPTER_STARTED) {
835 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
837 goto fail_mac_fcntl_set;
840 port->flow_ctrl = fcntl;
841 port->flow_ctrl_autoneg = fc_conf->autoneg;
843 sfc_adapter_unlock(sa);
848 sfc_adapter_unlock(sa);
855 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
857 struct sfc_adapter *sa = dev->data->dev_private;
858 size_t pdu = EFX_MAC_PDU(mtu);
862 sfc_log_init(sa, "mtu=%u", mtu);
865 if (pdu < EFX_MAC_PDU_MIN) {
866 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
867 (unsigned int)mtu, (unsigned int)pdu,
871 if (pdu > EFX_MAC_PDU_MAX) {
872 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
873 (unsigned int)mtu, (unsigned int)pdu,
878 sfc_adapter_lock(sa);
880 if (pdu != sa->port.pdu) {
881 if (sa->state == SFC_ADAPTER_STARTED) {
884 old_pdu = sa->port.pdu;
895 * The driver does not use it, but other PMDs update jumbo_frame
896 * flag and max_rx_pkt_len when MTU is set.
898 dev->data->dev_conf.rxmode.jumbo_frame = (mtu > ETHER_MAX_LEN);
899 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
901 sfc_adapter_unlock(sa);
903 sfc_log_init(sa, "done");
907 sa->port.pdu = old_pdu;
908 if (sfc_start(sa) != 0)
909 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
910 "PDU max size - port is stopped",
911 (unsigned int)pdu, (unsigned int)old_pdu);
912 sfc_adapter_unlock(sa);
915 sfc_log_init(sa, "failed %d", rc);
920 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
922 struct sfc_adapter *sa = dev->data->dev_private;
923 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
924 struct sfc_port *port = &sa->port;
927 sfc_adapter_lock(sa);
929 if (port->isolated) {
930 sfc_err(sa, "isolated mode is active on the port");
931 sfc_err(sa, "will not set MAC address");
935 if (sa->state != SFC_ADAPTER_STARTED) {
936 sfc_info(sa, "the port is not started");
937 sfc_info(sa, "the new MAC address will be set on port start");
942 if (encp->enc_allow_set_mac_with_installed_filters) {
943 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
945 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
950 * Changing the MAC address by means of MCDI request
951 * has no effect on received traffic, therefore
952 * we also need to update unicast filters
954 rc = sfc_set_rx_mode(sa);
956 sfc_err(sa, "cannot set filter (rc = %u)", rc);
958 sfc_warn(sa, "cannot set MAC address with filters installed");
959 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
960 sfc_warn(sa, "(some traffic may be dropped)");
963 * Since setting MAC address with filters installed is not
964 * allowed on the adapter, one needs to simply restart adapter
965 * so that the new MAC address will be taken from an outer
966 * storage and set flawlessly by means of sfc_start() call
971 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
975 sfc_adapter_unlock(sa);
980 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
983 struct sfc_adapter *sa = dev->data->dev_private;
984 struct sfc_port *port = &sa->port;
985 uint8_t *mc_addrs = port->mcast_addrs;
989 if (port->isolated) {
990 sfc_err(sa, "isolated mode is active on the port");
991 sfc_err(sa, "will not set multicast address list");
995 if (mc_addrs == NULL)
998 if (nb_mc_addr > port->max_mcast_addrs) {
999 sfc_err(sa, "too many multicast addresses: %u > %u",
1000 nb_mc_addr, port->max_mcast_addrs);
1004 for (i = 0; i < nb_mc_addr; ++i) {
1005 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1007 mc_addrs += EFX_MAC_ADDR_LEN;
1010 port->nb_mcast_addrs = nb_mc_addr;
1012 if (sa->state != SFC_ADAPTER_STARTED)
1015 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1016 port->nb_mcast_addrs);
1018 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1025 * The function is used by the secondary process as well. It must not
1026 * use any process-local pointers from the adapter data.
1029 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1030 struct rte_eth_rxq_info *qinfo)
1032 struct sfc_adapter *sa = dev->data->dev_private;
1033 struct sfc_rxq_info *rxq_info;
1034 struct sfc_rxq *rxq;
1036 sfc_adapter_lock(sa);
1038 SFC_ASSERT(rx_queue_id < sa->rxq_count);
1040 rxq_info = &sa->rxq_info[rx_queue_id];
1041 rxq = rxq_info->rxq;
1042 SFC_ASSERT(rxq != NULL);
1044 qinfo->mp = rxq->refill_mb_pool;
1045 qinfo->conf.rx_free_thresh = rxq->refill_threshold;
1046 qinfo->conf.rx_drop_en = 1;
1047 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1048 qinfo->scattered_rx = (rxq_info->type == EFX_RXQ_TYPE_SCATTER);
1049 qinfo->nb_desc = rxq_info->entries;
1051 sfc_adapter_unlock(sa);
1055 * The function is used by the secondary process as well. It must not
1056 * use any process-local pointers from the adapter data.
1059 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1060 struct rte_eth_txq_info *qinfo)
1062 struct sfc_adapter *sa = dev->data->dev_private;
1063 struct sfc_txq_info *txq_info;
1065 sfc_adapter_lock(sa);
1067 SFC_ASSERT(tx_queue_id < sa->txq_count);
1069 txq_info = &sa->txq_info[tx_queue_id];
1070 SFC_ASSERT(txq_info->txq != NULL);
1072 memset(qinfo, 0, sizeof(*qinfo));
1074 qinfo->conf.txq_flags = txq_info->txq->flags;
1075 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
1076 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1077 qinfo->nb_desc = txq_info->entries;
1079 sfc_adapter_unlock(sa);
1083 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1085 struct sfc_adapter *sa = dev->data->dev_private;
1087 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1089 return sfc_rx_qdesc_npending(sa, rx_queue_id);
1093 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1095 struct sfc_dp_rxq *dp_rxq = queue;
1097 return sfc_rx_qdesc_done(dp_rxq, offset);
1101 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1103 struct sfc_dp_rxq *dp_rxq = queue;
1104 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
1106 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset);
1110 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1112 struct sfc_dp_txq *dp_txq = queue;
1113 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq);
1115 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset);
1119 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1121 struct sfc_adapter *sa = dev->data->dev_private;
1124 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1126 sfc_adapter_lock(sa);
1129 if (sa->state != SFC_ADAPTER_STARTED)
1130 goto fail_not_started;
1132 rc = sfc_rx_qstart(sa, rx_queue_id);
1134 goto fail_rx_qstart;
1136 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
1138 sfc_adapter_unlock(sa);
1144 sfc_adapter_unlock(sa);
1150 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1152 struct sfc_adapter *sa = dev->data->dev_private;
1154 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1156 sfc_adapter_lock(sa);
1157 sfc_rx_qstop(sa, rx_queue_id);
1159 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
1161 sfc_adapter_unlock(sa);
1167 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1169 struct sfc_adapter *sa = dev->data->dev_private;
1172 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1174 sfc_adapter_lock(sa);
1177 if (sa->state != SFC_ADAPTER_STARTED)
1178 goto fail_not_started;
1180 rc = sfc_tx_qstart(sa, tx_queue_id);
1182 goto fail_tx_qstart;
1184 sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
1186 sfc_adapter_unlock(sa);
1192 sfc_adapter_unlock(sa);
1198 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1200 struct sfc_adapter *sa = dev->data->dev_private;
1202 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1204 sfc_adapter_lock(sa);
1206 sfc_tx_qstop(sa, tx_queue_id);
1208 sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
1210 sfc_adapter_unlock(sa);
1214 #if EFSYS_OPT_RX_SCALE
1216 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1217 struct rte_eth_rss_conf *rss_conf)
1219 struct sfc_adapter *sa = dev->data->dev_private;
1220 struct sfc_port *port = &sa->port;
1222 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1225 if (sa->rss_channels == 0)
1228 sfc_adapter_lock(sa);
1231 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1232 * hence, conversion is done here to derive a correct set of ETH_RSS
1233 * flags which corresponds to the active EFX configuration stored
1234 * locally in 'sfc_adapter' and kept up-to-date
1236 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
1237 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1238 if (rss_conf->rss_key != NULL)
1239 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE);
1241 sfc_adapter_unlock(sa);
1247 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1248 struct rte_eth_rss_conf *rss_conf)
1250 struct sfc_adapter *sa = dev->data->dev_private;
1251 struct sfc_port *port = &sa->port;
1252 unsigned int efx_hash_types;
1258 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1259 sfc_err(sa, "RSS is not available");
1263 if (sa->rss_channels == 0) {
1264 sfc_err(sa, "RSS is not configured");
1268 if ((rss_conf->rss_key != NULL) &&
1269 (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
1270 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1271 sizeof(sa->rss_key));
1275 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
1276 sfc_err(sa, "unsupported hash functions requested");
1280 sfc_adapter_lock(sa);
1282 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
1284 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1285 EFX_RX_HASHALG_TOEPLITZ,
1286 efx_hash_types, B_TRUE);
1288 goto fail_scale_mode_set;
1290 if (rss_conf->rss_key != NULL) {
1291 if (sa->state == SFC_ADAPTER_STARTED) {
1292 rc = efx_rx_scale_key_set(sa->nic,
1293 EFX_RSS_CONTEXT_DEFAULT,
1295 sizeof(sa->rss_key));
1297 goto fail_scale_key_set;
1300 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
1303 sa->rss_hash_types = efx_hash_types;
1305 sfc_adapter_unlock(sa);
1310 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1311 EFX_RX_HASHALG_TOEPLITZ,
1312 sa->rss_hash_types, B_TRUE) != 0)
1313 sfc_err(sa, "failed to restore RSS mode");
1315 fail_scale_mode_set:
1316 sfc_adapter_unlock(sa);
1321 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1322 struct rte_eth_rss_reta_entry64 *reta_conf,
1325 struct sfc_adapter *sa = dev->data->dev_private;
1326 struct sfc_port *port = &sa->port;
1329 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1332 if (sa->rss_channels == 0)
1335 if (reta_size != EFX_RSS_TBL_SIZE)
1338 sfc_adapter_lock(sa);
1340 for (entry = 0; entry < reta_size; entry++) {
1341 int grp = entry / RTE_RETA_GROUP_SIZE;
1342 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1344 if ((reta_conf[grp].mask >> grp_idx) & 1)
1345 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
1348 sfc_adapter_unlock(sa);
1354 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1355 struct rte_eth_rss_reta_entry64 *reta_conf,
1358 struct sfc_adapter *sa = dev->data->dev_private;
1359 struct sfc_port *port = &sa->port;
1360 unsigned int *rss_tbl_new;
1368 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1369 sfc_err(sa, "RSS is not available");
1373 if (sa->rss_channels == 0) {
1374 sfc_err(sa, "RSS is not configured");
1378 if (reta_size != EFX_RSS_TBL_SIZE) {
1379 sfc_err(sa, "RETA size is wrong (should be %u)",
1384 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
1385 if (rss_tbl_new == NULL)
1388 sfc_adapter_lock(sa);
1390 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
1392 for (entry = 0; entry < reta_size; entry++) {
1393 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1394 struct rte_eth_rss_reta_entry64 *grp;
1396 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1398 if (grp->mask & (1ull << grp_idx)) {
1399 if (grp->reta[grp_idx] >= sa->rss_channels) {
1401 goto bad_reta_entry;
1403 rss_tbl_new[entry] = grp->reta[grp_idx];
1407 if (sa->state == SFC_ADAPTER_STARTED) {
1408 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1409 rss_tbl_new, EFX_RSS_TBL_SIZE);
1411 goto fail_scale_tbl_set;
1414 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
1418 sfc_adapter_unlock(sa);
1420 rte_free(rss_tbl_new);
1422 SFC_ASSERT(rc >= 0);
1428 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
1429 enum rte_filter_op filter_op,
1432 struct sfc_adapter *sa = dev->data->dev_private;
1435 sfc_log_init(sa, "entry");
1437 switch (filter_type) {
1438 case RTE_ETH_FILTER_NONE:
1439 sfc_err(sa, "Global filters configuration not supported");
1441 case RTE_ETH_FILTER_MACVLAN:
1442 sfc_err(sa, "MACVLAN filters not supported");
1444 case RTE_ETH_FILTER_ETHERTYPE:
1445 sfc_err(sa, "EtherType filters not supported");
1447 case RTE_ETH_FILTER_FLEXIBLE:
1448 sfc_err(sa, "Flexible filters not supported");
1450 case RTE_ETH_FILTER_SYN:
1451 sfc_err(sa, "SYN filters not supported");
1453 case RTE_ETH_FILTER_NTUPLE:
1454 sfc_err(sa, "NTUPLE filters not supported");
1456 case RTE_ETH_FILTER_TUNNEL:
1457 sfc_err(sa, "Tunnel filters not supported");
1459 case RTE_ETH_FILTER_FDIR:
1460 sfc_err(sa, "Flow Director filters not supported");
1462 case RTE_ETH_FILTER_HASH:
1463 sfc_err(sa, "Hash filters not supported");
1465 case RTE_ETH_FILTER_GENERIC:
1466 if (filter_op != RTE_ETH_FILTER_GET) {
1469 *(const void **)arg = &sfc_flow_ops;
1474 sfc_err(sa, "Unknown filter type %u", filter_type);
1478 sfc_log_init(sa, "exit: %d", -rc);
1479 SFC_ASSERT(rc >= 0);
1483 static const struct eth_dev_ops sfc_eth_dev_ops = {
1484 .dev_configure = sfc_dev_configure,
1485 .dev_start = sfc_dev_start,
1486 .dev_stop = sfc_dev_stop,
1487 .dev_set_link_up = sfc_dev_set_link_up,
1488 .dev_set_link_down = sfc_dev_set_link_down,
1489 .dev_close = sfc_dev_close,
1490 .promiscuous_enable = sfc_dev_promisc_enable,
1491 .promiscuous_disable = sfc_dev_promisc_disable,
1492 .allmulticast_enable = sfc_dev_allmulti_enable,
1493 .allmulticast_disable = sfc_dev_allmulti_disable,
1494 .link_update = sfc_dev_link_update,
1495 .stats_get = sfc_stats_get,
1496 .stats_reset = sfc_stats_reset,
1497 .xstats_get = sfc_xstats_get,
1498 .xstats_reset = sfc_stats_reset,
1499 .xstats_get_names = sfc_xstats_get_names,
1500 .dev_infos_get = sfc_dev_infos_get,
1501 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1502 .mtu_set = sfc_dev_set_mtu,
1503 .rx_queue_start = sfc_rx_queue_start,
1504 .rx_queue_stop = sfc_rx_queue_stop,
1505 .tx_queue_start = sfc_tx_queue_start,
1506 .tx_queue_stop = sfc_tx_queue_stop,
1507 .rx_queue_setup = sfc_rx_queue_setup,
1508 .rx_queue_release = sfc_rx_queue_release,
1509 .rx_queue_count = sfc_rx_queue_count,
1510 .rx_descriptor_done = sfc_rx_descriptor_done,
1511 .rx_descriptor_status = sfc_rx_descriptor_status,
1512 .tx_descriptor_status = sfc_tx_descriptor_status,
1513 .tx_queue_setup = sfc_tx_queue_setup,
1514 .tx_queue_release = sfc_tx_queue_release,
1515 .flow_ctrl_get = sfc_flow_ctrl_get,
1516 .flow_ctrl_set = sfc_flow_ctrl_set,
1517 .mac_addr_set = sfc_mac_addr_set,
1518 #if EFSYS_OPT_RX_SCALE
1519 .reta_update = sfc_dev_rss_reta_update,
1520 .reta_query = sfc_dev_rss_reta_query,
1521 .rss_hash_update = sfc_dev_rss_hash_update,
1522 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1524 .filter_ctrl = sfc_dev_filter_ctrl,
1525 .set_mc_addr_list = sfc_set_mc_addr_list,
1526 .rxq_info_get = sfc_rx_queue_info_get,
1527 .txq_info_get = sfc_tx_queue_info_get,
1528 .fw_version_get = sfc_fw_version_get,
1529 .xstats_get_by_id = sfc_xstats_get_by_id,
1530 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1534 * Duplicate a string in potentially shared memory required for
1535 * multi-process support.
1537 * strdup() allocates from process-local heap/memory.
1540 sfc_strdup(const char *str)
1548 size = strlen(str) + 1;
1549 copy = rte_malloc(__func__, size, 0);
1551 rte_memcpy(copy, str, size);
1557 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1559 struct sfc_adapter *sa = dev->data->dev_private;
1560 unsigned int avail_caps = 0;
1561 const char *rx_name = NULL;
1562 const char *tx_name = NULL;
1565 switch (sa->family) {
1566 case EFX_FAMILY_HUNTINGTON:
1567 case EFX_FAMILY_MEDFORD:
1568 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1574 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1575 sfc_kvarg_string_handler, &rx_name);
1577 goto fail_kvarg_rx_datapath;
1579 if (rx_name != NULL) {
1580 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1581 if (sa->dp_rx == NULL) {
1582 sfc_err(sa, "Rx datapath %s not found", rx_name);
1586 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
1588 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1591 goto fail_dp_rx_caps;
1594 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1595 if (sa->dp_rx == NULL) {
1596 sfc_err(sa, "Rx datapath by caps %#x not found",
1603 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name);
1604 if (sa->dp_rx_name == NULL) {
1606 goto fail_dp_rx_name;
1609 sfc_info(sa, "use %s Rx datapath", sa->dp_rx_name);
1611 dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
1613 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1614 sfc_kvarg_string_handler, &tx_name);
1616 goto fail_kvarg_tx_datapath;
1618 if (tx_name != NULL) {
1619 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1620 if (sa->dp_tx == NULL) {
1621 sfc_err(sa, "Tx datapath %s not found", tx_name);
1625 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
1627 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1630 goto fail_dp_tx_caps;
1633 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1634 if (sa->dp_tx == NULL) {
1635 sfc_err(sa, "Tx datapath by caps %#x not found",
1642 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name);
1643 if (sa->dp_tx_name == NULL) {
1645 goto fail_dp_tx_name;
1648 sfc_info(sa, "use %s Tx datapath", sa->dp_tx_name);
1650 dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
1652 dev->dev_ops = &sfc_eth_dev_ops;
1661 fail_kvarg_tx_datapath:
1662 rte_free(sa->dp_rx_name);
1663 sa->dp_rx_name = NULL;
1670 fail_kvarg_rx_datapath:
1675 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
1677 struct sfc_adapter *sa = dev->data->dev_private;
1679 dev->dev_ops = NULL;
1680 dev->rx_pkt_burst = NULL;
1681 dev->tx_pkt_burst = NULL;
1683 rte_free(sa->dp_tx_name);
1684 sa->dp_tx_name = NULL;
1687 rte_free(sa->dp_rx_name);
1688 sa->dp_rx_name = NULL;
1692 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
1693 .rxq_info_get = sfc_rx_queue_info_get,
1694 .txq_info_get = sfc_tx_queue_info_get,
1698 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev)
1701 * Device private data has really many process-local pointers.
1702 * Below code should be extremely careful to use data located
1703 * in shared memory only.
1705 struct sfc_adapter *sa = dev->data->dev_private;
1706 const struct sfc_dp_rx *dp_rx;
1707 const struct sfc_dp_tx *dp_tx;
1710 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name);
1711 if (dp_rx == NULL) {
1712 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name);
1716 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
1717 sfc_err(sa, "%s Rx datapath does not support multi-process",
1720 goto fail_dp_rx_multi_process;
1723 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name);
1724 if (dp_tx == NULL) {
1725 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name);
1729 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
1730 sfc_err(sa, "%s Tx datapath does not support multi-process",
1733 goto fail_dp_tx_multi_process;
1736 dev->rx_pkt_burst = dp_rx->pkt_burst;
1737 dev->tx_pkt_burst = dp_tx->pkt_burst;
1738 dev->dev_ops = &sfc_eth_dev_secondary_ops;
1742 fail_dp_tx_multi_process:
1744 fail_dp_rx_multi_process:
1750 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
1752 dev->dev_ops = NULL;
1753 dev->tx_pkt_burst = NULL;
1754 dev->rx_pkt_burst = NULL;
1758 sfc_register_dp(void)
1761 if (TAILQ_EMPTY(&sfc_dp_head)) {
1762 /* Prefer EF10 datapath */
1763 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
1764 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
1766 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
1767 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
1768 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
1773 sfc_eth_dev_init(struct rte_eth_dev *dev)
1775 struct sfc_adapter *sa = dev->data->dev_private;
1776 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1778 const efx_nic_cfg_t *encp;
1779 const struct ether_addr *from;
1783 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1784 return -sfc_eth_dev_secondary_set_ops(dev);
1786 /* Required for logging */
1787 sa->pci_addr = pci_dev->addr;
1788 sa->port_id = dev->data->port_id;
1792 /* Copy PCI device info to the dev->data */
1793 rte_eth_copy_pci_info(dev, pci_dev);
1795 rc = sfc_kvargs_parse(sa);
1797 goto fail_kvargs_parse;
1799 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
1800 sfc_kvarg_bool_handler, &sa->debug_init);
1802 goto fail_kvarg_debug_init;
1804 sfc_log_init(sa, "entry");
1806 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1807 if (dev->data->mac_addrs == NULL) {
1809 goto fail_mac_addrs;
1812 sfc_adapter_lock_init(sa);
1813 sfc_adapter_lock(sa);
1815 sfc_log_init(sa, "probing");
1820 sfc_log_init(sa, "set device ops");
1821 rc = sfc_eth_dev_set_ops(dev);
1825 sfc_log_init(sa, "attaching");
1826 rc = sfc_attach(sa);
1830 encp = efx_nic_cfg_get(sa->nic);
1833 * The arguments are really reverse order in comparison to
1834 * Linux kernel. Copy from NIC config to Ethernet device data.
1836 from = (const struct ether_addr *)(encp->enc_mac_addr);
1837 ether_addr_copy(from, &dev->data->mac_addrs[0]);
1839 sfc_adapter_unlock(sa);
1841 sfc_log_init(sa, "done");
1845 sfc_eth_dev_clear_ops(dev);
1851 sfc_adapter_unlock(sa);
1852 sfc_adapter_lock_fini(sa);
1853 rte_free(dev->data->mac_addrs);
1854 dev->data->mac_addrs = NULL;
1857 fail_kvarg_debug_init:
1858 sfc_kvargs_cleanup(sa);
1861 sfc_log_init(sa, "failed %d", rc);
1867 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
1869 struct sfc_adapter *sa;
1871 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
1872 sfc_eth_dev_secondary_clear_ops(dev);
1876 sa = dev->data->dev_private;
1877 sfc_log_init(sa, "entry");
1879 sfc_adapter_lock(sa);
1881 sfc_eth_dev_clear_ops(dev);
1886 rte_free(dev->data->mac_addrs);
1887 dev->data->mac_addrs = NULL;
1889 sfc_kvargs_cleanup(sa);
1891 sfc_adapter_unlock(sa);
1892 sfc_adapter_lock_fini(sa);
1894 sfc_log_init(sa, "done");
1896 /* Required for logging, so cleanup last */
1901 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
1902 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
1903 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
1904 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
1905 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
1906 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
1907 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
1908 { .vendor_id = 0 /* sentinel */ }
1911 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1912 struct rte_pci_device *pci_dev)
1914 return rte_eth_dev_pci_generic_probe(pci_dev,
1915 sizeof(struct sfc_adapter), sfc_eth_dev_init);
1918 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
1920 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
1923 static struct rte_pci_driver sfc_efx_pmd = {
1924 .id_table = pci_id_sfc_efx_map,
1926 RTE_PCI_DRV_INTR_LSC |
1927 RTE_PCI_DRV_NEED_MAPPING,
1928 .probe = sfc_eth_dev_pci_probe,
1929 .remove = sfc_eth_dev_pci_remove,
1932 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
1933 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
1934 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
1935 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
1936 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
1937 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
1938 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
1939 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> "
1940 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
1941 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);