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 if ((encp->enc_tunnel_encapsulations_supported != 0) &&
135 (sa->dp_rx->features & SFC_DP_RX_FEAT_TUNNELS))
136 dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM;
138 dev_info->tx_offload_capa =
139 DEV_TX_OFFLOAD_IPV4_CKSUM |
140 DEV_TX_OFFLOAD_UDP_CKSUM |
141 DEV_TX_OFFLOAD_TCP_CKSUM;
143 if (encp->enc_tunnel_encapsulations_supported != 0)
144 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
146 dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
147 if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
148 !encp->enc_hw_tx_insert_vlan_enabled)
149 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
151 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
153 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
154 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
156 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL)
157 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP;
159 if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT)
160 dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT;
162 #if EFSYS_OPT_RX_SCALE
163 if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
164 dev_info->reta_size = EFX_RSS_TBL_SIZE;
165 dev_info->hash_key_size = EFX_RSS_KEY_SIZE;
166 dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
171 dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
173 /* Initialize to hardware limits */
174 dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
175 dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
176 /* The RXQ hardware requires that the descriptor count is a power
177 * of 2, but rx_desc_lim cannot properly describe that constraint.
179 dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
181 /* Initialize to hardware limits */
182 dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
183 dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
185 * The TXQ hardware requires that the descriptor count is a power
186 * of 2, but tx_desc_lim cannot properly describe that constraint
188 dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
190 if (sa->dp_rx->get_dev_info != NULL)
191 sa->dp_rx->get_dev_info(dev_info);
192 if (sa->dp_tx->get_dev_info != NULL)
193 sa->dp_tx->get_dev_info(dev_info);
196 static const uint32_t *
197 sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
199 struct sfc_adapter *sa = dev->data->dev_private;
200 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
201 uint32_t tunnel_encaps = encp->enc_tunnel_encapsulations_supported;
203 return sa->dp_rx->supported_ptypes_get(tunnel_encaps);
207 sfc_dev_configure(struct rte_eth_dev *dev)
209 struct rte_eth_dev_data *dev_data = dev->data;
210 struct sfc_adapter *sa = dev_data->dev_private;
213 sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
214 dev_data->nb_rx_queues, dev_data->nb_tx_queues);
216 sfc_adapter_lock(sa);
218 case SFC_ADAPTER_CONFIGURED:
220 case SFC_ADAPTER_INITIALIZED:
221 rc = sfc_configure(sa);
224 sfc_err(sa, "unexpected adapter state %u to configure",
229 sfc_adapter_unlock(sa);
231 sfc_log_init(sa, "done %d", rc);
237 sfc_dev_start(struct rte_eth_dev *dev)
239 struct sfc_adapter *sa = dev->data->dev_private;
242 sfc_log_init(sa, "entry");
244 sfc_adapter_lock(sa);
246 sfc_adapter_unlock(sa);
248 sfc_log_init(sa, "done %d", rc);
254 sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
256 struct sfc_adapter *sa = dev->data->dev_private;
257 struct rte_eth_link *dev_link = &dev->data->dev_link;
258 struct rte_eth_link old_link;
259 struct rte_eth_link current_link;
261 sfc_log_init(sa, "entry");
264 EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
265 *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
267 if (sa->state != SFC_ADAPTER_STARTED) {
268 sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
269 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
270 *(uint64_t *)&old_link,
271 *(uint64_t *)¤t_link))
273 } else if (wait_to_complete) {
274 efx_link_mode_t link_mode;
276 if (efx_port_poll(sa->nic, &link_mode) != 0)
277 link_mode = EFX_LINK_UNKNOWN;
278 sfc_port_link_mode_to_info(link_mode, ¤t_link);
280 if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
281 *(uint64_t *)&old_link,
282 *(uint64_t *)¤t_link))
285 sfc_ev_mgmt_qpoll(sa);
286 *(int64_t *)¤t_link =
287 rte_atomic64_read((rte_atomic64_t *)dev_link);
290 if (old_link.link_status != current_link.link_status)
291 sfc_info(sa, "Link status is %s",
292 current_link.link_status ? "UP" : "DOWN");
294 return old_link.link_status == current_link.link_status ? 0 : -1;
298 sfc_dev_stop(struct rte_eth_dev *dev)
300 struct sfc_adapter *sa = dev->data->dev_private;
302 sfc_log_init(sa, "entry");
304 sfc_adapter_lock(sa);
306 sfc_adapter_unlock(sa);
308 sfc_log_init(sa, "done");
312 sfc_dev_set_link_up(struct rte_eth_dev *dev)
314 struct sfc_adapter *sa = dev->data->dev_private;
317 sfc_log_init(sa, "entry");
319 sfc_adapter_lock(sa);
321 sfc_adapter_unlock(sa);
328 sfc_dev_set_link_down(struct rte_eth_dev *dev)
330 struct sfc_adapter *sa = dev->data->dev_private;
332 sfc_log_init(sa, "entry");
334 sfc_adapter_lock(sa);
336 sfc_adapter_unlock(sa);
342 sfc_dev_close(struct rte_eth_dev *dev)
344 struct sfc_adapter *sa = dev->data->dev_private;
346 sfc_log_init(sa, "entry");
348 sfc_adapter_lock(sa);
350 case SFC_ADAPTER_STARTED:
352 SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
354 case SFC_ADAPTER_CONFIGURED:
356 SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
358 case SFC_ADAPTER_INITIALIZED:
361 sfc_err(sa, "unexpected adapter state %u on close", sa->state);
364 sfc_adapter_unlock(sa);
366 sfc_log_init(sa, "done");
370 sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
373 struct sfc_port *port;
375 struct sfc_adapter *sa = dev->data->dev_private;
376 boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
377 const char *desc = (allmulti) ? "all-multi" : "promiscuous";
379 sfc_adapter_lock(sa);
382 toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
384 if (*toggle != enabled) {
387 if (port->isolated) {
388 sfc_warn(sa, "isolated mode is active on the port");
389 sfc_warn(sa, "the change is to be applied on the next "
390 "start provided that isolated mode is "
391 "disabled prior the next start");
392 } else if ((sa->state == SFC_ADAPTER_STARTED) &&
393 (sfc_set_rx_mode(sa) != 0)) {
394 *toggle = !(enabled);
395 sfc_warn(sa, "Failed to %s %s mode",
396 ((enabled) ? "enable" : "disable"), desc);
400 sfc_adapter_unlock(sa);
404 sfc_dev_promisc_enable(struct rte_eth_dev *dev)
406 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
410 sfc_dev_promisc_disable(struct rte_eth_dev *dev)
412 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
416 sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
418 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
422 sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
424 sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
428 sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
429 uint16_t nb_rx_desc, unsigned int socket_id,
430 const struct rte_eth_rxconf *rx_conf,
431 struct rte_mempool *mb_pool)
433 struct sfc_adapter *sa = dev->data->dev_private;
436 sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
437 rx_queue_id, nb_rx_desc, socket_id);
439 sfc_adapter_lock(sa);
441 rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
446 dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
448 sfc_adapter_unlock(sa);
453 sfc_adapter_unlock(sa);
459 sfc_rx_queue_release(void *queue)
461 struct sfc_dp_rxq *dp_rxq = queue;
463 struct sfc_adapter *sa;
464 unsigned int sw_index;
469 rxq = sfc_rxq_by_dp_rxq(dp_rxq);
471 sfc_adapter_lock(sa);
473 sw_index = sfc_rxq_sw_index(rxq);
475 sfc_log_init(sa, "RxQ=%u", sw_index);
477 sa->eth_dev->data->rx_queues[sw_index] = NULL;
479 sfc_rx_qfini(sa, sw_index);
481 sfc_adapter_unlock(sa);
485 sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
486 uint16_t nb_tx_desc, unsigned int socket_id,
487 const struct rte_eth_txconf *tx_conf)
489 struct sfc_adapter *sa = dev->data->dev_private;
492 sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
493 tx_queue_id, nb_tx_desc, socket_id);
495 sfc_adapter_lock(sa);
497 rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
501 dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
503 sfc_adapter_unlock(sa);
507 sfc_adapter_unlock(sa);
513 sfc_tx_queue_release(void *queue)
515 struct sfc_dp_txq *dp_txq = queue;
517 unsigned int sw_index;
518 struct sfc_adapter *sa;
523 txq = sfc_txq_by_dp_txq(dp_txq);
524 sw_index = sfc_txq_sw_index(txq);
526 SFC_ASSERT(txq->evq != NULL);
529 sfc_log_init(sa, "TxQ = %u", sw_index);
531 sfc_adapter_lock(sa);
533 SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
534 sa->eth_dev->data->tx_queues[sw_index] = NULL;
536 sfc_tx_qfini(sa, sw_index);
538 sfc_adapter_unlock(sa);
542 sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
544 struct sfc_adapter *sa = dev->data->dev_private;
545 struct sfc_port *port = &sa->port;
549 rte_spinlock_lock(&port->mac_stats_lock);
551 ret = sfc_port_update_mac_stats(sa);
555 mac_stats = port->mac_stats_buf;
557 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
558 EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
560 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
561 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
562 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
564 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
565 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
566 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
568 mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
569 mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
570 mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
572 mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
573 mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
574 mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
575 stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
576 stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
577 stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
579 stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
580 stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
581 stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
582 stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
584 * Take into account stats which are whenever supported
585 * on EF10. If some stat is not supported by current
586 * firmware variant or HW revision, it is guaranteed
587 * to be zero in mac_stats.
590 mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
591 mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
592 mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
593 mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
594 mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
595 mac_stats[EFX_MAC_PM_TRUNC_QBB] +
596 mac_stats[EFX_MAC_PM_DISCARD_QBB] +
597 mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
598 mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
599 mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
601 mac_stats[EFX_MAC_RX_FCS_ERRORS] +
602 mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
603 mac_stats[EFX_MAC_RX_JABBER_PKTS];
604 /* no oerrors counters supported on EF10 */
608 rte_spinlock_unlock(&port->mac_stats_lock);
609 SFC_ASSERT(ret >= 0);
614 sfc_stats_reset(struct rte_eth_dev *dev)
616 struct sfc_adapter *sa = dev->data->dev_private;
617 struct sfc_port *port = &sa->port;
620 if (sa->state != SFC_ADAPTER_STARTED) {
622 * The operation cannot be done if port is not started; it
623 * will be scheduled to be done during the next port start
625 port->mac_stats_reset_pending = B_TRUE;
629 rc = sfc_port_reset_mac_stats(sa);
631 sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
635 sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
636 unsigned int xstats_count)
638 struct sfc_adapter *sa = dev->data->dev_private;
639 struct sfc_port *port = &sa->port;
645 rte_spinlock_lock(&port->mac_stats_lock);
647 rc = sfc_port_update_mac_stats(sa);
654 mac_stats = port->mac_stats_buf;
656 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
657 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
658 if (xstats != NULL && nstats < (int)xstats_count) {
659 xstats[nstats].id = nstats;
660 xstats[nstats].value = mac_stats[i];
667 rte_spinlock_unlock(&port->mac_stats_lock);
673 sfc_xstats_get_names(struct rte_eth_dev *dev,
674 struct rte_eth_xstat_name *xstats_names,
675 unsigned int xstats_count)
677 struct sfc_adapter *sa = dev->data->dev_private;
678 struct sfc_port *port = &sa->port;
680 unsigned int nstats = 0;
682 for (i = 0; i < EFX_MAC_NSTATS; ++i) {
683 if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
684 if (xstats_names != NULL && nstats < xstats_count)
685 strncpy(xstats_names[nstats].name,
686 efx_mac_stat_name(sa->nic, i),
687 sizeof(xstats_names[0].name));
696 sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
697 uint64_t *values, unsigned int n)
699 struct sfc_adapter *sa = dev->data->dev_private;
700 struct sfc_port *port = &sa->port;
702 unsigned int nb_supported = 0;
703 unsigned int nb_written = 0;
708 if (unlikely(values == NULL) ||
709 unlikely((ids == NULL) && (n < port->mac_stats_nb_supported)))
710 return port->mac_stats_nb_supported;
712 rte_spinlock_lock(&port->mac_stats_lock);
714 rc = sfc_port_update_mac_stats(sa);
721 mac_stats = port->mac_stats_buf;
723 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) {
724 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
727 if ((ids == NULL) || (ids[nb_written] == nb_supported))
728 values[nb_written++] = mac_stats[i];
736 rte_spinlock_unlock(&port->mac_stats_lock);
742 sfc_xstats_get_names_by_id(struct rte_eth_dev *dev,
743 struct rte_eth_xstat_name *xstats_names,
744 const uint64_t *ids, unsigned int size)
746 struct sfc_adapter *sa = dev->data->dev_private;
747 struct sfc_port *port = &sa->port;
748 unsigned int nb_supported = 0;
749 unsigned int nb_written = 0;
752 if (unlikely(xstats_names == NULL) ||
753 unlikely((ids == NULL) && (size < port->mac_stats_nb_supported)))
754 return port->mac_stats_nb_supported;
756 for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) {
757 if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i))
760 if ((ids == NULL) || (ids[nb_written] == nb_supported)) {
761 char *name = xstats_names[nb_written++].name;
763 strncpy(name, efx_mac_stat_name(sa->nic, i),
764 sizeof(xstats_names[0].name));
765 name[sizeof(xstats_names[0].name) - 1] = '\0';
775 sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
777 struct sfc_adapter *sa = dev->data->dev_private;
778 unsigned int wanted_fc, link_fc;
780 memset(fc_conf, 0, sizeof(*fc_conf));
782 sfc_adapter_lock(sa);
784 if (sa->state == SFC_ADAPTER_STARTED)
785 efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
787 link_fc = sa->port.flow_ctrl;
791 fc_conf->mode = RTE_FC_NONE;
793 case EFX_FCNTL_RESPOND:
794 fc_conf->mode = RTE_FC_RX_PAUSE;
796 case EFX_FCNTL_GENERATE:
797 fc_conf->mode = RTE_FC_TX_PAUSE;
799 case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
800 fc_conf->mode = RTE_FC_FULL;
803 sfc_err(sa, "%s: unexpected flow control value %#x",
807 fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
809 sfc_adapter_unlock(sa);
815 sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
817 struct sfc_adapter *sa = dev->data->dev_private;
818 struct sfc_port *port = &sa->port;
822 if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
823 fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
824 fc_conf->mac_ctrl_frame_fwd != 0) {
825 sfc_err(sa, "unsupported flow control settings specified");
830 switch (fc_conf->mode) {
834 case RTE_FC_RX_PAUSE:
835 fcntl = EFX_FCNTL_RESPOND;
837 case RTE_FC_TX_PAUSE:
838 fcntl = EFX_FCNTL_GENERATE;
841 fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
848 sfc_adapter_lock(sa);
850 if (sa->state == SFC_ADAPTER_STARTED) {
851 rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
853 goto fail_mac_fcntl_set;
856 port->flow_ctrl = fcntl;
857 port->flow_ctrl_autoneg = fc_conf->autoneg;
859 sfc_adapter_unlock(sa);
864 sfc_adapter_unlock(sa);
871 sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
873 struct sfc_adapter *sa = dev->data->dev_private;
874 size_t pdu = EFX_MAC_PDU(mtu);
878 sfc_log_init(sa, "mtu=%u", mtu);
881 if (pdu < EFX_MAC_PDU_MIN) {
882 sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
883 (unsigned int)mtu, (unsigned int)pdu,
887 if (pdu > EFX_MAC_PDU_MAX) {
888 sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
889 (unsigned int)mtu, (unsigned int)pdu,
894 sfc_adapter_lock(sa);
896 if (pdu != sa->port.pdu) {
897 if (sa->state == SFC_ADAPTER_STARTED) {
900 old_pdu = sa->port.pdu;
911 * The driver does not use it, but other PMDs update jumbo_frame
912 * flag and max_rx_pkt_len when MTU is set.
914 dev->data->dev_conf.rxmode.jumbo_frame = (mtu > ETHER_MAX_LEN);
915 dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
917 sfc_adapter_unlock(sa);
919 sfc_log_init(sa, "done");
923 sa->port.pdu = old_pdu;
924 if (sfc_start(sa) != 0)
925 sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
926 "PDU max size - port is stopped",
927 (unsigned int)pdu, (unsigned int)old_pdu);
928 sfc_adapter_unlock(sa);
931 sfc_log_init(sa, "failed %d", rc);
936 sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
938 struct sfc_adapter *sa = dev->data->dev_private;
939 const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
940 struct sfc_port *port = &sa->port;
943 sfc_adapter_lock(sa);
946 * Copy the address to the device private data so that
947 * it could be recalled in the case of adapter restart.
949 ether_addr_copy(mac_addr, &port->default_mac_addr);
951 if (port->isolated) {
952 sfc_err(sa, "isolated mode is active on the port");
953 sfc_err(sa, "will not set MAC address");
957 if (sa->state != SFC_ADAPTER_STARTED) {
958 sfc_info(sa, "the port is not started");
959 sfc_info(sa, "the new MAC address will be set on port start");
964 if (encp->enc_allow_set_mac_with_installed_filters) {
965 rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
967 sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
972 * Changing the MAC address by means of MCDI request
973 * has no effect on received traffic, therefore
974 * we also need to update unicast filters
976 rc = sfc_set_rx_mode(sa);
978 sfc_err(sa, "cannot set filter (rc = %u)", rc);
980 sfc_warn(sa, "cannot set MAC address with filters installed");
981 sfc_warn(sa, "adapter will be restarted to pick the new MAC");
982 sfc_warn(sa, "(some traffic may be dropped)");
985 * Since setting MAC address with filters installed is not
986 * allowed on the adapter, the new MAC address will be set
987 * by means of adapter restart. sfc_start() shall retrieve
988 * the new address from the device private data and set it.
993 sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
998 * In the case of failure sa->port->default_mac_addr does not
999 * need rollback since no error code is returned, and the upper
1000 * API will anyway update the external MAC address storage.
1001 * To be consistent with that new value it is better to keep
1002 * the device private value the same.
1004 sfc_adapter_unlock(sa);
1009 sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
1010 uint32_t nb_mc_addr)
1012 struct sfc_adapter *sa = dev->data->dev_private;
1013 struct sfc_port *port = &sa->port;
1014 uint8_t *mc_addrs = port->mcast_addrs;
1018 if (port->isolated) {
1019 sfc_err(sa, "isolated mode is active on the port");
1020 sfc_err(sa, "will not set multicast address list");
1024 if (mc_addrs == NULL)
1027 if (nb_mc_addr > port->max_mcast_addrs) {
1028 sfc_err(sa, "too many multicast addresses: %u > %u",
1029 nb_mc_addr, port->max_mcast_addrs);
1033 for (i = 0; i < nb_mc_addr; ++i) {
1034 rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
1036 mc_addrs += EFX_MAC_ADDR_LEN;
1039 port->nb_mcast_addrs = nb_mc_addr;
1041 if (sa->state != SFC_ADAPTER_STARTED)
1044 rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
1045 port->nb_mcast_addrs);
1047 sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
1054 * The function is used by the secondary process as well. It must not
1055 * use any process-local pointers from the adapter data.
1058 sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1059 struct rte_eth_rxq_info *qinfo)
1061 struct sfc_adapter *sa = dev->data->dev_private;
1062 struct sfc_rxq_info *rxq_info;
1063 struct sfc_rxq *rxq;
1065 sfc_adapter_lock(sa);
1067 SFC_ASSERT(rx_queue_id < sa->rxq_count);
1069 rxq_info = &sa->rxq_info[rx_queue_id];
1070 rxq = rxq_info->rxq;
1071 SFC_ASSERT(rxq != NULL);
1073 qinfo->mp = rxq->refill_mb_pool;
1074 qinfo->conf.rx_free_thresh = rxq->refill_threshold;
1075 qinfo->conf.rx_drop_en = 1;
1076 qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
1077 qinfo->scattered_rx =
1078 ((rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) != 0);
1079 qinfo->nb_desc = rxq_info->entries;
1081 sfc_adapter_unlock(sa);
1085 * The function is used by the secondary process as well. It must not
1086 * use any process-local pointers from the adapter data.
1089 sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1090 struct rte_eth_txq_info *qinfo)
1092 struct sfc_adapter *sa = dev->data->dev_private;
1093 struct sfc_txq_info *txq_info;
1095 sfc_adapter_lock(sa);
1097 SFC_ASSERT(tx_queue_id < sa->txq_count);
1099 txq_info = &sa->txq_info[tx_queue_id];
1100 SFC_ASSERT(txq_info->txq != NULL);
1102 memset(qinfo, 0, sizeof(*qinfo));
1104 qinfo->conf.txq_flags = txq_info->txq->flags;
1105 qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
1106 qinfo->conf.tx_deferred_start = txq_info->deferred_start;
1107 qinfo->nb_desc = txq_info->entries;
1109 sfc_adapter_unlock(sa);
1113 sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1115 struct sfc_adapter *sa = dev->data->dev_private;
1117 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1119 return sfc_rx_qdesc_npending(sa, rx_queue_id);
1123 sfc_rx_descriptor_done(void *queue, uint16_t offset)
1125 struct sfc_dp_rxq *dp_rxq = queue;
1127 return sfc_rx_qdesc_done(dp_rxq, offset);
1131 sfc_rx_descriptor_status(void *queue, uint16_t offset)
1133 struct sfc_dp_rxq *dp_rxq = queue;
1134 struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq);
1136 return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset);
1140 sfc_tx_descriptor_status(void *queue, uint16_t offset)
1142 struct sfc_dp_txq *dp_txq = queue;
1143 struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq);
1145 return txq->evq->sa->dp_tx->qdesc_status(dp_txq, offset);
1149 sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1151 struct sfc_adapter *sa = dev->data->dev_private;
1154 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1156 sfc_adapter_lock(sa);
1159 if (sa->state != SFC_ADAPTER_STARTED)
1160 goto fail_not_started;
1162 rc = sfc_rx_qstart(sa, rx_queue_id);
1164 goto fail_rx_qstart;
1166 sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
1168 sfc_adapter_unlock(sa);
1174 sfc_adapter_unlock(sa);
1180 sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1182 struct sfc_adapter *sa = dev->data->dev_private;
1184 sfc_log_init(sa, "RxQ=%u", rx_queue_id);
1186 sfc_adapter_lock(sa);
1187 sfc_rx_qstop(sa, rx_queue_id);
1189 sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
1191 sfc_adapter_unlock(sa);
1197 sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1199 struct sfc_adapter *sa = dev->data->dev_private;
1202 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1204 sfc_adapter_lock(sa);
1207 if (sa->state != SFC_ADAPTER_STARTED)
1208 goto fail_not_started;
1210 rc = sfc_tx_qstart(sa, tx_queue_id);
1212 goto fail_tx_qstart;
1214 sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
1216 sfc_adapter_unlock(sa);
1222 sfc_adapter_unlock(sa);
1228 sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1230 struct sfc_adapter *sa = dev->data->dev_private;
1232 sfc_log_init(sa, "TxQ = %u", tx_queue_id);
1234 sfc_adapter_lock(sa);
1236 sfc_tx_qstop(sa, tx_queue_id);
1238 sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
1240 sfc_adapter_unlock(sa);
1244 static efx_tunnel_protocol_t
1245 sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type)
1248 case RTE_TUNNEL_TYPE_VXLAN:
1249 return EFX_TUNNEL_PROTOCOL_VXLAN;
1250 case RTE_TUNNEL_TYPE_GENEVE:
1251 return EFX_TUNNEL_PROTOCOL_GENEVE;
1253 return EFX_TUNNEL_NPROTOS;
1257 enum sfc_udp_tunnel_op_e {
1258 SFC_UDP_TUNNEL_ADD_PORT,
1259 SFC_UDP_TUNNEL_DEL_PORT,
1263 sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev,
1264 struct rte_eth_udp_tunnel *tunnel_udp,
1265 enum sfc_udp_tunnel_op_e op)
1267 struct sfc_adapter *sa = dev->data->dev_private;
1268 efx_tunnel_protocol_t tunnel_proto;
1271 sfc_log_init(sa, "%s udp_port=%u prot_type=%u",
1272 (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" :
1273 (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown",
1274 tunnel_udp->udp_port, tunnel_udp->prot_type);
1277 sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type);
1278 if (tunnel_proto >= EFX_TUNNEL_NPROTOS) {
1280 goto fail_bad_proto;
1283 sfc_adapter_lock(sa);
1286 case SFC_UDP_TUNNEL_ADD_PORT:
1287 rc = efx_tunnel_config_udp_add(sa->nic,
1288 tunnel_udp->udp_port,
1291 case SFC_UDP_TUNNEL_DEL_PORT:
1292 rc = efx_tunnel_config_udp_remove(sa->nic,
1293 tunnel_udp->udp_port,
1304 if (sa->state == SFC_ADAPTER_STARTED) {
1305 rc = efx_tunnel_reconfigure(sa->nic);
1308 * Configuration is accepted by FW and MC reboot
1309 * is initiated to apply the changes. MC reboot
1310 * will be handled in a usual way (MC reboot
1311 * event on management event queue and adapter
1315 } else if (rc != 0) {
1316 goto fail_reconfigure;
1320 sfc_adapter_unlock(sa);
1324 /* Remove/restore entry since the change makes the trouble */
1326 case SFC_UDP_TUNNEL_ADD_PORT:
1327 (void)efx_tunnel_config_udp_remove(sa->nic,
1328 tunnel_udp->udp_port,
1331 case SFC_UDP_TUNNEL_DEL_PORT:
1332 (void)efx_tunnel_config_udp_add(sa->nic,
1333 tunnel_udp->udp_port,
1340 sfc_adapter_unlock(sa);
1348 sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
1349 struct rte_eth_udp_tunnel *tunnel_udp)
1351 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT);
1355 sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
1356 struct rte_eth_udp_tunnel *tunnel_udp)
1358 return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT);
1361 #if EFSYS_OPT_RX_SCALE
1363 sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1364 struct rte_eth_rss_conf *rss_conf)
1366 struct sfc_adapter *sa = dev->data->dev_private;
1367 struct sfc_port *port = &sa->port;
1369 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1372 if (sa->rss_channels == 0)
1375 sfc_adapter_lock(sa);
1378 * Mapping of hash configuration between RTE and EFX is not one-to-one,
1379 * hence, conversion is done here to derive a correct set of ETH_RSS
1380 * flags which corresponds to the active EFX configuration stored
1381 * locally in 'sfc_adapter' and kept up-to-date
1383 rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
1384 rss_conf->rss_key_len = EFX_RSS_KEY_SIZE;
1385 if (rss_conf->rss_key != NULL)
1386 rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE);
1388 sfc_adapter_unlock(sa);
1394 sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
1395 struct rte_eth_rss_conf *rss_conf)
1397 struct sfc_adapter *sa = dev->data->dev_private;
1398 struct sfc_port *port = &sa->port;
1399 unsigned int efx_hash_types;
1405 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1406 sfc_err(sa, "RSS is not available");
1410 if (sa->rss_channels == 0) {
1411 sfc_err(sa, "RSS is not configured");
1415 if ((rss_conf->rss_key != NULL) &&
1416 (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
1417 sfc_err(sa, "RSS key size is wrong (should be %lu)",
1418 sizeof(sa->rss_key));
1422 if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
1423 sfc_err(sa, "unsupported hash functions requested");
1427 sfc_adapter_lock(sa);
1429 efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
1431 rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1432 EFX_RX_HASHALG_TOEPLITZ,
1433 efx_hash_types, B_TRUE);
1435 goto fail_scale_mode_set;
1437 if (rss_conf->rss_key != NULL) {
1438 if (sa->state == SFC_ADAPTER_STARTED) {
1439 rc = efx_rx_scale_key_set(sa->nic,
1440 EFX_RSS_CONTEXT_DEFAULT,
1442 sizeof(sa->rss_key));
1444 goto fail_scale_key_set;
1447 rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
1450 sa->rss_hash_types = efx_hash_types;
1452 sfc_adapter_unlock(sa);
1457 if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1458 EFX_RX_HASHALG_TOEPLITZ,
1459 sa->rss_hash_types, B_TRUE) != 0)
1460 sfc_err(sa, "failed to restore RSS mode");
1462 fail_scale_mode_set:
1463 sfc_adapter_unlock(sa);
1468 sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
1469 struct rte_eth_rss_reta_entry64 *reta_conf,
1472 struct sfc_adapter *sa = dev->data->dev_private;
1473 struct sfc_port *port = &sa->port;
1476 if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated)
1479 if (sa->rss_channels == 0)
1482 if (reta_size != EFX_RSS_TBL_SIZE)
1485 sfc_adapter_lock(sa);
1487 for (entry = 0; entry < reta_size; entry++) {
1488 int grp = entry / RTE_RETA_GROUP_SIZE;
1489 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1491 if ((reta_conf[grp].mask >> grp_idx) & 1)
1492 reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
1495 sfc_adapter_unlock(sa);
1501 sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
1502 struct rte_eth_rss_reta_entry64 *reta_conf,
1505 struct sfc_adapter *sa = dev->data->dev_private;
1506 struct sfc_port *port = &sa->port;
1507 unsigned int *rss_tbl_new;
1515 if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
1516 sfc_err(sa, "RSS is not available");
1520 if (sa->rss_channels == 0) {
1521 sfc_err(sa, "RSS is not configured");
1525 if (reta_size != EFX_RSS_TBL_SIZE) {
1526 sfc_err(sa, "RETA size is wrong (should be %u)",
1531 rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
1532 if (rss_tbl_new == NULL)
1535 sfc_adapter_lock(sa);
1537 rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
1539 for (entry = 0; entry < reta_size; entry++) {
1540 int grp_idx = entry % RTE_RETA_GROUP_SIZE;
1541 struct rte_eth_rss_reta_entry64 *grp;
1543 grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
1545 if (grp->mask & (1ull << grp_idx)) {
1546 if (grp->reta[grp_idx] >= sa->rss_channels) {
1548 goto bad_reta_entry;
1550 rss_tbl_new[entry] = grp->reta[grp_idx];
1554 if (sa->state == SFC_ADAPTER_STARTED) {
1555 rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT,
1556 rss_tbl_new, EFX_RSS_TBL_SIZE);
1558 goto fail_scale_tbl_set;
1561 rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
1565 sfc_adapter_unlock(sa);
1567 rte_free(rss_tbl_new);
1569 SFC_ASSERT(rc >= 0);
1575 sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
1576 enum rte_filter_op filter_op,
1579 struct sfc_adapter *sa = dev->data->dev_private;
1582 sfc_log_init(sa, "entry");
1584 switch (filter_type) {
1585 case RTE_ETH_FILTER_NONE:
1586 sfc_err(sa, "Global filters configuration not supported");
1588 case RTE_ETH_FILTER_MACVLAN:
1589 sfc_err(sa, "MACVLAN filters not supported");
1591 case RTE_ETH_FILTER_ETHERTYPE:
1592 sfc_err(sa, "EtherType filters not supported");
1594 case RTE_ETH_FILTER_FLEXIBLE:
1595 sfc_err(sa, "Flexible filters not supported");
1597 case RTE_ETH_FILTER_SYN:
1598 sfc_err(sa, "SYN filters not supported");
1600 case RTE_ETH_FILTER_NTUPLE:
1601 sfc_err(sa, "NTUPLE filters not supported");
1603 case RTE_ETH_FILTER_TUNNEL:
1604 sfc_err(sa, "Tunnel filters not supported");
1606 case RTE_ETH_FILTER_FDIR:
1607 sfc_err(sa, "Flow Director filters not supported");
1609 case RTE_ETH_FILTER_HASH:
1610 sfc_err(sa, "Hash filters not supported");
1612 case RTE_ETH_FILTER_GENERIC:
1613 if (filter_op != RTE_ETH_FILTER_GET) {
1616 *(const void **)arg = &sfc_flow_ops;
1621 sfc_err(sa, "Unknown filter type %u", filter_type);
1625 sfc_log_init(sa, "exit: %d", -rc);
1626 SFC_ASSERT(rc >= 0);
1630 static const struct eth_dev_ops sfc_eth_dev_ops = {
1631 .dev_configure = sfc_dev_configure,
1632 .dev_start = sfc_dev_start,
1633 .dev_stop = sfc_dev_stop,
1634 .dev_set_link_up = sfc_dev_set_link_up,
1635 .dev_set_link_down = sfc_dev_set_link_down,
1636 .dev_close = sfc_dev_close,
1637 .promiscuous_enable = sfc_dev_promisc_enable,
1638 .promiscuous_disable = sfc_dev_promisc_disable,
1639 .allmulticast_enable = sfc_dev_allmulti_enable,
1640 .allmulticast_disable = sfc_dev_allmulti_disable,
1641 .link_update = sfc_dev_link_update,
1642 .stats_get = sfc_stats_get,
1643 .stats_reset = sfc_stats_reset,
1644 .xstats_get = sfc_xstats_get,
1645 .xstats_reset = sfc_stats_reset,
1646 .xstats_get_names = sfc_xstats_get_names,
1647 .dev_infos_get = sfc_dev_infos_get,
1648 .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
1649 .mtu_set = sfc_dev_set_mtu,
1650 .rx_queue_start = sfc_rx_queue_start,
1651 .rx_queue_stop = sfc_rx_queue_stop,
1652 .tx_queue_start = sfc_tx_queue_start,
1653 .tx_queue_stop = sfc_tx_queue_stop,
1654 .rx_queue_setup = sfc_rx_queue_setup,
1655 .rx_queue_release = sfc_rx_queue_release,
1656 .rx_queue_count = sfc_rx_queue_count,
1657 .rx_descriptor_done = sfc_rx_descriptor_done,
1658 .rx_descriptor_status = sfc_rx_descriptor_status,
1659 .tx_descriptor_status = sfc_tx_descriptor_status,
1660 .tx_queue_setup = sfc_tx_queue_setup,
1661 .tx_queue_release = sfc_tx_queue_release,
1662 .flow_ctrl_get = sfc_flow_ctrl_get,
1663 .flow_ctrl_set = sfc_flow_ctrl_set,
1664 .mac_addr_set = sfc_mac_addr_set,
1665 .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add,
1666 .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del,
1667 #if EFSYS_OPT_RX_SCALE
1668 .reta_update = sfc_dev_rss_reta_update,
1669 .reta_query = sfc_dev_rss_reta_query,
1670 .rss_hash_update = sfc_dev_rss_hash_update,
1671 .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
1673 .filter_ctrl = sfc_dev_filter_ctrl,
1674 .set_mc_addr_list = sfc_set_mc_addr_list,
1675 .rxq_info_get = sfc_rx_queue_info_get,
1676 .txq_info_get = sfc_tx_queue_info_get,
1677 .fw_version_get = sfc_fw_version_get,
1678 .xstats_get_by_id = sfc_xstats_get_by_id,
1679 .xstats_get_names_by_id = sfc_xstats_get_names_by_id,
1683 * Duplicate a string in potentially shared memory required for
1684 * multi-process support.
1686 * strdup() allocates from process-local heap/memory.
1689 sfc_strdup(const char *str)
1697 size = strlen(str) + 1;
1698 copy = rte_malloc(__func__, size, 0);
1700 rte_memcpy(copy, str, size);
1706 sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
1708 struct sfc_adapter *sa = dev->data->dev_private;
1709 unsigned int avail_caps = 0;
1710 const char *rx_name = NULL;
1711 const char *tx_name = NULL;
1714 switch (sa->family) {
1715 case EFX_FAMILY_HUNTINGTON:
1716 case EFX_FAMILY_MEDFORD:
1717 avail_caps |= SFC_DP_HW_FW_CAP_EF10;
1723 rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
1724 sfc_kvarg_string_handler, &rx_name);
1726 goto fail_kvarg_rx_datapath;
1728 if (rx_name != NULL) {
1729 sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
1730 if (sa->dp_rx == NULL) {
1731 sfc_err(sa, "Rx datapath %s not found", rx_name);
1735 if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
1737 "Insufficient Hw/FW capabilities to use Rx datapath %s",
1740 goto fail_dp_rx_caps;
1743 sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
1744 if (sa->dp_rx == NULL) {
1745 sfc_err(sa, "Rx datapath by caps %#x not found",
1752 sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name);
1753 if (sa->dp_rx_name == NULL) {
1755 goto fail_dp_rx_name;
1758 sfc_info(sa, "use %s Rx datapath", sa->dp_rx_name);
1760 dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
1762 rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
1763 sfc_kvarg_string_handler, &tx_name);
1765 goto fail_kvarg_tx_datapath;
1767 if (tx_name != NULL) {
1768 sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
1769 if (sa->dp_tx == NULL) {
1770 sfc_err(sa, "Tx datapath %s not found", tx_name);
1774 if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
1776 "Insufficient Hw/FW capabilities to use Tx datapath %s",
1779 goto fail_dp_tx_caps;
1782 sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
1783 if (sa->dp_tx == NULL) {
1784 sfc_err(sa, "Tx datapath by caps %#x not found",
1791 sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name);
1792 if (sa->dp_tx_name == NULL) {
1794 goto fail_dp_tx_name;
1797 sfc_info(sa, "use %s Tx datapath", sa->dp_tx_name);
1799 dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
1801 dev->dev_ops = &sfc_eth_dev_ops;
1810 fail_kvarg_tx_datapath:
1811 rte_free(sa->dp_rx_name);
1812 sa->dp_rx_name = NULL;
1819 fail_kvarg_rx_datapath:
1824 sfc_eth_dev_clear_ops(struct rte_eth_dev *dev)
1826 struct sfc_adapter *sa = dev->data->dev_private;
1828 dev->dev_ops = NULL;
1829 dev->rx_pkt_burst = NULL;
1830 dev->tx_pkt_burst = NULL;
1832 rte_free(sa->dp_tx_name);
1833 sa->dp_tx_name = NULL;
1836 rte_free(sa->dp_rx_name);
1837 sa->dp_rx_name = NULL;
1841 static const struct eth_dev_ops sfc_eth_dev_secondary_ops = {
1842 .rxq_info_get = sfc_rx_queue_info_get,
1843 .txq_info_get = sfc_tx_queue_info_get,
1847 sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev)
1850 * Device private data has really many process-local pointers.
1851 * Below code should be extremely careful to use data located
1852 * in shared memory only.
1854 struct sfc_adapter *sa = dev->data->dev_private;
1855 const struct sfc_dp_rx *dp_rx;
1856 const struct sfc_dp_tx *dp_tx;
1859 dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name);
1860 if (dp_rx == NULL) {
1861 sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name);
1865 if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) {
1866 sfc_err(sa, "%s Rx datapath does not support multi-process",
1869 goto fail_dp_rx_multi_process;
1872 dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name);
1873 if (dp_tx == NULL) {
1874 sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name);
1878 if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) {
1879 sfc_err(sa, "%s Tx datapath does not support multi-process",
1882 goto fail_dp_tx_multi_process;
1885 dev->rx_pkt_burst = dp_rx->pkt_burst;
1886 dev->tx_pkt_burst = dp_tx->pkt_burst;
1887 dev->dev_ops = &sfc_eth_dev_secondary_ops;
1891 fail_dp_tx_multi_process:
1893 fail_dp_rx_multi_process:
1899 sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev)
1901 dev->dev_ops = NULL;
1902 dev->tx_pkt_burst = NULL;
1903 dev->rx_pkt_burst = NULL;
1907 sfc_register_dp(void)
1910 if (TAILQ_EMPTY(&sfc_dp_head)) {
1911 /* Prefer EF10 datapath */
1912 sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
1913 sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
1915 sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
1916 sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
1917 sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
1922 sfc_eth_dev_init(struct rte_eth_dev *dev)
1924 struct sfc_adapter *sa = dev->data->dev_private;
1925 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1927 const efx_nic_cfg_t *encp;
1928 const struct ether_addr *from;
1932 if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1933 return -sfc_eth_dev_secondary_set_ops(dev);
1935 /* Required for logging */
1936 sa->pci_addr = pci_dev->addr;
1937 sa->port_id = dev->data->port_id;
1941 /* Copy PCI device info to the dev->data */
1942 rte_eth_copy_pci_info(dev, pci_dev);
1944 rc = sfc_kvargs_parse(sa);
1946 goto fail_kvargs_parse;
1948 rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
1949 sfc_kvarg_bool_handler, &sa->debug_init);
1951 goto fail_kvarg_debug_init;
1953 sfc_log_init(sa, "entry");
1955 dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
1956 if (dev->data->mac_addrs == NULL) {
1958 goto fail_mac_addrs;
1961 sfc_adapter_lock_init(sa);
1962 sfc_adapter_lock(sa);
1964 sfc_log_init(sa, "probing");
1969 sfc_log_init(sa, "set device ops");
1970 rc = sfc_eth_dev_set_ops(dev);
1974 sfc_log_init(sa, "attaching");
1975 rc = sfc_attach(sa);
1979 encp = efx_nic_cfg_get(sa->nic);
1982 * The arguments are really reverse order in comparison to
1983 * Linux kernel. Copy from NIC config to Ethernet device data.
1985 from = (const struct ether_addr *)(encp->enc_mac_addr);
1986 ether_addr_copy(from, &dev->data->mac_addrs[0]);
1988 sfc_adapter_unlock(sa);
1990 sfc_log_init(sa, "done");
1994 sfc_eth_dev_clear_ops(dev);
2000 sfc_adapter_unlock(sa);
2001 sfc_adapter_lock_fini(sa);
2002 rte_free(dev->data->mac_addrs);
2003 dev->data->mac_addrs = NULL;
2006 fail_kvarg_debug_init:
2007 sfc_kvargs_cleanup(sa);
2010 sfc_log_init(sa, "failed %d", rc);
2016 sfc_eth_dev_uninit(struct rte_eth_dev *dev)
2018 struct sfc_adapter *sa;
2020 if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
2021 sfc_eth_dev_secondary_clear_ops(dev);
2025 sa = dev->data->dev_private;
2026 sfc_log_init(sa, "entry");
2028 sfc_adapter_lock(sa);
2030 sfc_eth_dev_clear_ops(dev);
2035 rte_free(dev->data->mac_addrs);
2036 dev->data->mac_addrs = NULL;
2038 sfc_kvargs_cleanup(sa);
2040 sfc_adapter_unlock(sa);
2041 sfc_adapter_lock_fini(sa);
2043 sfc_log_init(sa, "done");
2045 /* Required for logging, so cleanup last */
2050 static const struct rte_pci_id pci_id_sfc_efx_map[] = {
2051 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
2052 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
2053 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
2054 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
2055 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
2056 { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
2057 { .vendor_id = 0 /* sentinel */ }
2060 static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
2061 struct rte_pci_device *pci_dev)
2063 return rte_eth_dev_pci_generic_probe(pci_dev,
2064 sizeof(struct sfc_adapter), sfc_eth_dev_init);
2067 static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
2069 return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
2072 static struct rte_pci_driver sfc_efx_pmd = {
2073 .id_table = pci_id_sfc_efx_map,
2075 RTE_PCI_DRV_INTR_LSC |
2076 RTE_PCI_DRV_NEED_MAPPING,
2077 .probe = sfc_eth_dev_pci_probe,
2078 .remove = sfc_eth_dev_pci_remove,
2081 RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
2082 RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
2083 RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio-pci");
2084 RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
2085 SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
2086 SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
2087 SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
2088 SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> "
2089 SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
2090 SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);