--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) 2016-2017 Solarflare Communications Inc.
+ * All rights reserved.
+ *
+ * This software was jointly developed between OKTET Labs (under contract
+ * for Solarflare) and Solarflare Communications, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <rte_dev.h>
+#include <rte_ethdev.h>
+#include <rte_ethdev_pci.h>
+#include <rte_pci.h>
+#include <rte_errno.h>
+
+#include "efx.h"
+
+#include "sfc.h"
+#include "sfc_debug.h"
+#include "sfc_log.h"
+#include "sfc_kvargs.h"
+#include "sfc_ev.h"
+#include "sfc_rx.h"
+#include "sfc_tx.h"
+#include "sfc_flow.h"
+#include "sfc_dp.h"
+#include "sfc_dp_rx.h"
+
+static struct sfc_dp_list sfc_dp_head =
+ TAILQ_HEAD_INITIALIZER(sfc_dp_head);
+
+static int
+sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ efx_nic_fw_info_t enfi;
+ int ret;
+ int rc;
+
+ /*
+ * Return value of the callback is likely supposed to be
+ * equal to or greater than 0, nevertheless, if an error
+ * occurs, it will be desirable to pass it to the caller
+ */
+ if ((fw_version == NULL) || (fw_size == 0))
+ return -EINVAL;
+
+ rc = efx_nic_get_fw_version(sa->nic, &enfi);
+ if (rc != 0)
+ return -rc;
+
+ ret = snprintf(fw_version, fw_size,
+ "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16,
+ enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1],
+ enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]);
+ if (ret < 0)
+ return ret;
+
+ if (enfi.enfi_dpcpu_fw_ids_valid) {
+ size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret);
+ int ret_extra;
+
+ ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset,
+ fw_size - dpcpu_fw_ids_offset,
+ " rx%" PRIx16 " tx%" PRIx16,
+ enfi.enfi_rx_dpcpu_fw_id,
+ enfi.enfi_tx_dpcpu_fw_id);
+ if (ret_extra < 0)
+ return ret_extra;
+
+ ret += ret_extra;
+ }
+
+ if (fw_size < (size_t)(++ret))
+ return ret;
+ else
+ return 0;
+}
+
+static void
+sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+
+ sfc_log_init(sa, "entry");
+
+ dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
+ dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX;
+
+ /* Autonegotiation may be disabled */
+ dev_info->speed_capa = ETH_LINK_SPEED_FIXED;
+ if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_1000FDX)
+ dev_info->speed_capa |= ETH_LINK_SPEED_1G;
+ if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_10000FDX)
+ dev_info->speed_capa |= ETH_LINK_SPEED_10G;
+ if (sa->port.phy_adv_cap_mask & EFX_PHY_CAP_40000FDX)
+ dev_info->speed_capa |= ETH_LINK_SPEED_40G;
+
+ dev_info->max_rx_queues = sa->rxq_max;
+ dev_info->max_tx_queues = sa->txq_max;
+
+ /* By default packets are dropped if no descriptors are available */
+ dev_info->default_rxconf.rx_drop_en = 1;
+
+ dev_info->rx_offload_capa =
+ DEV_RX_OFFLOAD_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_UDP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_CKSUM;
+
+ dev_info->tx_offload_capa =
+ DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM;
+
+ dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP;
+ if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) ||
+ !encp->enc_hw_tx_insert_vlan_enabled)
+ dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL;
+ else
+ dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT;
+
+ if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG)
+ dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
+
+#if EFSYS_OPT_RX_SCALE
+ if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) {
+ dev_info->reta_size = EFX_RSS_TBL_SIZE;
+ dev_info->hash_key_size = SFC_RSS_KEY_SIZE;
+ dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS;
+ }
+#endif
+
+ if (sa->tso)
+ dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO;
+
+ dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS;
+ dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS;
+ /* The RXQ hardware requires that the descriptor count is a power
+ * of 2, but rx_desc_lim cannot properly describe that constraint.
+ */
+ dev_info->rx_desc_lim.nb_align = EFX_RXQ_MINNDESCS;
+
+ dev_info->tx_desc_lim.nb_max = sa->txq_max_entries;
+ dev_info->tx_desc_lim.nb_min = EFX_TXQ_MINNDESCS;
+ /*
+ * The TXQ hardware requires that the descriptor count is a power
+ * of 2, but tx_desc_lim cannot properly describe that constraint
+ */
+ dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS;
+}
+
+static const uint32_t *
+sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ return sa->dp_rx->supported_ptypes_get();
+}
+
+static int
+sfc_dev_configure(struct rte_eth_dev *dev)
+{
+ struct rte_eth_dev_data *dev_data = dev->data;
+ struct sfc_adapter *sa = dev_data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "entry n_rxq=%u n_txq=%u",
+ dev_data->nb_rx_queues, dev_data->nb_tx_queues);
+
+ sfc_adapter_lock(sa);
+ switch (sa->state) {
+ case SFC_ADAPTER_CONFIGURED:
+ /* FALLTHROUGH */
+ case SFC_ADAPTER_INITIALIZED:
+ rc = sfc_configure(sa);
+ break;
+ default:
+ sfc_err(sa, "unexpected adapter state %u to configure",
+ sa->state);
+ rc = EINVAL;
+ break;
+ }
+ sfc_adapter_unlock(sa);
+
+ sfc_log_init(sa, "done %d", rc);
+ SFC_ASSERT(rc >= 0);
+ return -rc;
+}
+
+static int
+sfc_dev_start(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "entry");
+
+ sfc_adapter_lock(sa);
+ rc = sfc_start(sa);
+ sfc_adapter_unlock(sa);
+
+ sfc_log_init(sa, "done %d", rc);
+ SFC_ASSERT(rc >= 0);
+ return -rc;
+}
+
+static int
+sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct rte_eth_link *dev_link = &dev->data->dev_link;
+ struct rte_eth_link old_link;
+ struct rte_eth_link current_link;
+
+ sfc_log_init(sa, "entry");
+
+retry:
+ EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t));
+ *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link);
+
+ if (sa->state != SFC_ADAPTER_STARTED) {
+ sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link);
+ if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
+ *(uint64_t *)&old_link,
+ *(uint64_t *)¤t_link))
+ goto retry;
+ } else if (wait_to_complete) {
+ efx_link_mode_t link_mode;
+
+ if (efx_port_poll(sa->nic, &link_mode) != 0)
+ link_mode = EFX_LINK_UNKNOWN;
+ sfc_port_link_mode_to_info(link_mode, ¤t_link);
+
+ if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link,
+ *(uint64_t *)&old_link,
+ *(uint64_t *)¤t_link))
+ goto retry;
+ } else {
+ sfc_ev_mgmt_qpoll(sa);
+ *(int64_t *)¤t_link =
+ rte_atomic64_read((rte_atomic64_t *)dev_link);
+ }
+
+ if (old_link.link_status != current_link.link_status)
+ sfc_info(sa, "Link status is %s",
+ current_link.link_status ? "UP" : "DOWN");
+
+ return old_link.link_status == current_link.link_status ? 0 : -1;
+}
+
+static void
+sfc_dev_stop(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ sfc_log_init(sa, "entry");
+
+ sfc_adapter_lock(sa);
+ sfc_stop(sa);
+ sfc_adapter_unlock(sa);
+
+ sfc_log_init(sa, "done");
+}
+
+static int
+sfc_dev_set_link_up(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "entry");
+
+ sfc_adapter_lock(sa);
+ rc = sfc_start(sa);
+ sfc_adapter_unlock(sa);
+
+ SFC_ASSERT(rc >= 0);
+ return -rc;
+}
+
+static int
+sfc_dev_set_link_down(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ sfc_log_init(sa, "entry");
+
+ sfc_adapter_lock(sa);
+ sfc_stop(sa);
+ sfc_adapter_unlock(sa);
+
+ return 0;
+}
+
+static void
+sfc_dev_close(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ sfc_log_init(sa, "entry");
+
+ sfc_adapter_lock(sa);
+ switch (sa->state) {
+ case SFC_ADAPTER_STARTED:
+ sfc_stop(sa);
+ SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
+ /* FALLTHROUGH */
+ case SFC_ADAPTER_CONFIGURED:
+ sfc_close(sa);
+ SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED);
+ /* FALLTHROUGH */
+ case SFC_ADAPTER_INITIALIZED:
+ break;
+ default:
+ sfc_err(sa, "unexpected adapter state %u on close", sa->state);
+ break;
+ }
+ sfc_adapter_unlock(sa);
+
+ sfc_log_init(sa, "done");
+}
+
+static void
+sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode,
+ boolean_t enabled)
+{
+ struct sfc_port *port;
+ boolean_t *toggle;
+ struct sfc_adapter *sa = dev->data->dev_private;
+ boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI);
+ const char *desc = (allmulti) ? "all-multi" : "promiscuous";
+
+ sfc_adapter_lock(sa);
+
+ port = &sa->port;
+ toggle = (allmulti) ? (&port->allmulti) : (&port->promisc);
+
+ if (*toggle != enabled) {
+ *toggle = enabled;
+
+ if ((sa->state == SFC_ADAPTER_STARTED) &&
+ (sfc_set_rx_mode(sa) != 0)) {
+ *toggle = !(enabled);
+ sfc_warn(sa, "Failed to %s %s mode",
+ ((enabled) ? "enable" : "disable"), desc);
+ }
+ }
+
+ sfc_adapter_unlock(sa);
+}
+
+static void
+sfc_dev_promisc_enable(struct rte_eth_dev *dev)
+{
+ sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE);
+}
+
+static void
+sfc_dev_promisc_disable(struct rte_eth_dev *dev)
+{
+ sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE);
+}
+
+static void
+sfc_dev_allmulti_enable(struct rte_eth_dev *dev)
+{
+ sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE);
+}
+
+static void
+sfc_dev_allmulti_disable(struct rte_eth_dev *dev)
+{
+ sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE);
+}
+
+static int
+sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+ uint16_t nb_rx_desc, unsigned int socket_id,
+ const struct rte_eth_rxconf *rx_conf,
+ struct rte_mempool *mb_pool)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u",
+ rx_queue_id, nb_rx_desc, socket_id);
+
+ sfc_adapter_lock(sa);
+
+ rc = sfc_rx_qinit(sa, rx_queue_id, nb_rx_desc, socket_id,
+ rx_conf, mb_pool);
+ if (rc != 0)
+ goto fail_rx_qinit;
+
+ dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq->dp;
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+
+fail_rx_qinit:
+ sfc_adapter_unlock(sa);
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static void
+sfc_rx_queue_release(void *queue)
+{
+ struct sfc_dp_rxq *dp_rxq = queue;
+ struct sfc_rxq *rxq;
+ struct sfc_adapter *sa;
+ unsigned int sw_index;
+
+ if (dp_rxq == NULL)
+ return;
+
+ rxq = sfc_rxq_by_dp_rxq(dp_rxq);
+ sa = rxq->evq->sa;
+ sfc_adapter_lock(sa);
+
+ sw_index = sfc_rxq_sw_index(rxq);
+
+ sfc_log_init(sa, "RxQ=%u", sw_index);
+
+ sa->eth_dev->data->rx_queues[sw_index] = NULL;
+
+ sfc_rx_qfini(sa, sw_index);
+
+ sfc_adapter_unlock(sa);
+}
+
+static int
+sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+ uint16_t nb_tx_desc, unsigned int socket_id,
+ const struct rte_eth_txconf *tx_conf)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u",
+ tx_queue_id, nb_tx_desc, socket_id);
+
+ sfc_adapter_lock(sa);
+
+ rc = sfc_tx_qinit(sa, tx_queue_id, nb_tx_desc, socket_id, tx_conf);
+ if (rc != 0)
+ goto fail_tx_qinit;
+
+ dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq->dp;
+
+ sfc_adapter_unlock(sa);
+ return 0;
+
+fail_tx_qinit:
+ sfc_adapter_unlock(sa);
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static void
+sfc_tx_queue_release(void *queue)
+{
+ struct sfc_dp_txq *dp_txq = queue;
+ struct sfc_txq *txq;
+ unsigned int sw_index;
+ struct sfc_adapter *sa;
+
+ if (dp_txq == NULL)
+ return;
+
+ txq = sfc_txq_by_dp_txq(dp_txq);
+ sw_index = sfc_txq_sw_index(txq);
+
+ SFC_ASSERT(txq->evq != NULL);
+ sa = txq->evq->sa;
+
+ sfc_log_init(sa, "TxQ = %u", sw_index);
+
+ sfc_adapter_lock(sa);
+
+ SFC_ASSERT(sw_index < sa->eth_dev->data->nb_tx_queues);
+ sa->eth_dev->data->tx_queues[sw_index] = NULL;
+
+ sfc_tx_qfini(sa, sw_index);
+
+ sfc_adapter_unlock(sa);
+}
+
+static void
+sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ uint64_t *mac_stats;
+
+ rte_spinlock_lock(&port->mac_stats_lock);
+
+ if (sfc_port_update_mac_stats(sa) != 0)
+ goto unlock;
+
+ mac_stats = port->mac_stats_buf;
+
+ if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask,
+ EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) {
+ stats->ipackets =
+ mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_PACKETS] +
+ mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_PACKETS] +
+ mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_PACKETS];
+ stats->opackets =
+ mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_PACKETS] +
+ mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_PACKETS] +
+ mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_PACKETS];
+ stats->ibytes =
+ mac_stats[EFX_MAC_VADAPTER_RX_UNICAST_BYTES] +
+ mac_stats[EFX_MAC_VADAPTER_RX_MULTICAST_BYTES] +
+ mac_stats[EFX_MAC_VADAPTER_RX_BROADCAST_BYTES];
+ stats->obytes =
+ mac_stats[EFX_MAC_VADAPTER_TX_UNICAST_BYTES] +
+ mac_stats[EFX_MAC_VADAPTER_TX_MULTICAST_BYTES] +
+ mac_stats[EFX_MAC_VADAPTER_TX_BROADCAST_BYTES];
+ stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_OVERFLOW];
+ stats->ierrors = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS];
+ stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS];
+ } else {
+ stats->ipackets = mac_stats[EFX_MAC_RX_PKTS];
+ stats->opackets = mac_stats[EFX_MAC_TX_PKTS];
+ stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS];
+ stats->obytes = mac_stats[EFX_MAC_TX_OCTETS];
+ /*
+ * Take into account stats which are whenever supported
+ * on EF10. If some stat is not supported by current
+ * firmware variant or HW revision, it is guaranteed
+ * to be zero in mac_stats.
+ */
+ stats->imissed =
+ mac_stats[EFX_MAC_RX_NODESC_DROP_CNT] +
+ mac_stats[EFX_MAC_PM_TRUNC_BB_OVERFLOW] +
+ mac_stats[EFX_MAC_PM_DISCARD_BB_OVERFLOW] +
+ mac_stats[EFX_MAC_PM_TRUNC_VFIFO_FULL] +
+ mac_stats[EFX_MAC_PM_DISCARD_VFIFO_FULL] +
+ mac_stats[EFX_MAC_PM_TRUNC_QBB] +
+ mac_stats[EFX_MAC_PM_DISCARD_QBB] +
+ mac_stats[EFX_MAC_PM_DISCARD_MAPPING] +
+ mac_stats[EFX_MAC_RXDP_Q_DISABLED_PKTS] +
+ mac_stats[EFX_MAC_RXDP_DI_DROPPED_PKTS];
+ stats->ierrors =
+ mac_stats[EFX_MAC_RX_FCS_ERRORS] +
+ mac_stats[EFX_MAC_RX_ALIGN_ERRORS] +
+ mac_stats[EFX_MAC_RX_JABBER_PKTS];
+ /* no oerrors counters supported on EF10 */
+ }
+
+unlock:
+ rte_spinlock_unlock(&port->mac_stats_lock);
+}
+
+static void
+sfc_stats_reset(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ int rc;
+
+ if (sa->state != SFC_ADAPTER_STARTED) {
+ /*
+ * The operation cannot be done if port is not started; it
+ * will be scheduled to be done during the next port start
+ */
+ port->mac_stats_reset_pending = B_TRUE;
+ return;
+ }
+
+ rc = sfc_port_reset_mac_stats(sa);
+ if (rc != 0)
+ sfc_err(sa, "failed to reset statistics (rc = %d)", rc);
+}
+
+static int
+sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
+ unsigned int xstats_count)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ uint64_t *mac_stats;
+ int rc;
+ unsigned int i;
+ int nstats = 0;
+
+ rte_spinlock_lock(&port->mac_stats_lock);
+
+ rc = sfc_port_update_mac_stats(sa);
+ if (rc != 0) {
+ SFC_ASSERT(rc > 0);
+ nstats = -rc;
+ goto unlock;
+ }
+
+ mac_stats = port->mac_stats_buf;
+
+ for (i = 0; i < EFX_MAC_NSTATS; ++i) {
+ if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
+ if (xstats != NULL && nstats < (int)xstats_count) {
+ xstats[nstats].id = nstats;
+ xstats[nstats].value = mac_stats[i];
+ }
+ nstats++;
+ }
+ }
+
+unlock:
+ rte_spinlock_unlock(&port->mac_stats_lock);
+
+ return nstats;
+}
+
+static int
+sfc_xstats_get_names(struct rte_eth_dev *dev,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int xstats_count)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ unsigned int i;
+ unsigned int nstats = 0;
+
+ for (i = 0; i < EFX_MAC_NSTATS; ++i) {
+ if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) {
+ if (xstats_names != NULL && nstats < xstats_count)
+ strncpy(xstats_names[nstats].name,
+ efx_mac_stat_name(sa->nic, i),
+ sizeof(xstats_names[0].name));
+ nstats++;
+ }
+ }
+
+ return nstats;
+}
+
+static int
+sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ unsigned int wanted_fc, link_fc;
+
+ memset(fc_conf, 0, sizeof(*fc_conf));
+
+ sfc_adapter_lock(sa);
+
+ if (sa->state == SFC_ADAPTER_STARTED)
+ efx_mac_fcntl_get(sa->nic, &wanted_fc, &link_fc);
+ else
+ link_fc = sa->port.flow_ctrl;
+
+ switch (link_fc) {
+ case 0:
+ fc_conf->mode = RTE_FC_NONE;
+ break;
+ case EFX_FCNTL_RESPOND:
+ fc_conf->mode = RTE_FC_RX_PAUSE;
+ break;
+ case EFX_FCNTL_GENERATE:
+ fc_conf->mode = RTE_FC_TX_PAUSE;
+ break;
+ case (EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE):
+ fc_conf->mode = RTE_FC_FULL;
+ break;
+ default:
+ sfc_err(sa, "%s: unexpected flow control value %#x",
+ __func__, link_fc);
+ }
+
+ fc_conf->autoneg = sa->port.flow_ctrl_autoneg;
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+}
+
+static int
+sfc_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ unsigned int fcntl;
+ int rc;
+
+ if (fc_conf->high_water != 0 || fc_conf->low_water != 0 ||
+ fc_conf->pause_time != 0 || fc_conf->send_xon != 0 ||
+ fc_conf->mac_ctrl_frame_fwd != 0) {
+ sfc_err(sa, "unsupported flow control settings specified");
+ rc = EINVAL;
+ goto fail_inval;
+ }
+
+ switch (fc_conf->mode) {
+ case RTE_FC_NONE:
+ fcntl = 0;
+ break;
+ case RTE_FC_RX_PAUSE:
+ fcntl = EFX_FCNTL_RESPOND;
+ break;
+ case RTE_FC_TX_PAUSE:
+ fcntl = EFX_FCNTL_GENERATE;
+ break;
+ case RTE_FC_FULL:
+ fcntl = EFX_FCNTL_RESPOND | EFX_FCNTL_GENERATE;
+ break;
+ default:
+ rc = EINVAL;
+ goto fail_inval;
+ }
+
+ sfc_adapter_lock(sa);
+
+ if (sa->state == SFC_ADAPTER_STARTED) {
+ rc = efx_mac_fcntl_set(sa->nic, fcntl, fc_conf->autoneg);
+ if (rc != 0)
+ goto fail_mac_fcntl_set;
+ }
+
+ port->flow_ctrl = fcntl;
+ port->flow_ctrl_autoneg = fc_conf->autoneg;
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+
+fail_mac_fcntl_set:
+ sfc_adapter_unlock(sa);
+fail_inval:
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static int
+sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ size_t pdu = EFX_MAC_PDU(mtu);
+ size_t old_pdu;
+ int rc;
+
+ sfc_log_init(sa, "mtu=%u", mtu);
+
+ rc = EINVAL;
+ if (pdu < EFX_MAC_PDU_MIN) {
+ sfc_err(sa, "too small MTU %u (PDU size %u less than min %u)",
+ (unsigned int)mtu, (unsigned int)pdu,
+ EFX_MAC_PDU_MIN);
+ goto fail_inval;
+ }
+ if (pdu > EFX_MAC_PDU_MAX) {
+ sfc_err(sa, "too big MTU %u (PDU size %u greater than max %u)",
+ (unsigned int)mtu, (unsigned int)pdu,
+ EFX_MAC_PDU_MAX);
+ goto fail_inval;
+ }
+
+ sfc_adapter_lock(sa);
+
+ if (pdu != sa->port.pdu) {
+ if (sa->state == SFC_ADAPTER_STARTED) {
+ sfc_stop(sa);
+
+ old_pdu = sa->port.pdu;
+ sa->port.pdu = pdu;
+ rc = sfc_start(sa);
+ if (rc != 0)
+ goto fail_start;
+ } else {
+ sa->port.pdu = pdu;
+ }
+ }
+
+ /*
+ * The driver does not use it, but other PMDs update jumbo_frame
+ * flag and max_rx_pkt_len when MTU is set.
+ */
+ dev->data->dev_conf.rxmode.jumbo_frame = (mtu > ETHER_MAX_LEN);
+ dev->data->dev_conf.rxmode.max_rx_pkt_len = sa->port.pdu;
+
+ sfc_adapter_unlock(sa);
+
+ sfc_log_init(sa, "done");
+ return 0;
+
+fail_start:
+ sa->port.pdu = old_pdu;
+ if (sfc_start(sa) != 0)
+ sfc_err(sa, "cannot start with neither new (%u) nor old (%u) "
+ "PDU max size - port is stopped",
+ (unsigned int)pdu, (unsigned int)old_pdu);
+ sfc_adapter_unlock(sa);
+
+fail_inval:
+ sfc_log_init(sa, "failed %d", rc);
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+static void
+sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+ int rc;
+
+ sfc_adapter_lock(sa);
+
+ if (sa->state != SFC_ADAPTER_STARTED) {
+ sfc_info(sa, "the port is not started");
+ sfc_info(sa, "the new MAC address will be set on port start");
+
+ goto unlock;
+ }
+
+ if (encp->enc_allow_set_mac_with_installed_filters) {
+ rc = efx_mac_addr_set(sa->nic, mac_addr->addr_bytes);
+ if (rc != 0) {
+ sfc_err(sa, "cannot set MAC address (rc = %u)", rc);
+ goto unlock;
+ }
+
+ /*
+ * Changing the MAC address by means of MCDI request
+ * has no effect on received traffic, therefore
+ * we also need to update unicast filters
+ */
+ rc = sfc_set_rx_mode(sa);
+ if (rc != 0)
+ sfc_err(sa, "cannot set filter (rc = %u)", rc);
+ } else {
+ sfc_warn(sa, "cannot set MAC address with filters installed");
+ sfc_warn(sa, "adapter will be restarted to pick the new MAC");
+ sfc_warn(sa, "(some traffic may be dropped)");
+
+ /*
+ * Since setting MAC address with filters installed is not
+ * allowed on the adapter, one needs to simply restart adapter
+ * so that the new MAC address will be taken from an outer
+ * storage and set flawlessly by means of sfc_start() call
+ */
+ sfc_stop(sa);
+ rc = sfc_start(sa);
+ if (rc != 0)
+ sfc_err(sa, "cannot restart adapter (rc = %u)", rc);
+ }
+
+unlock:
+ sfc_adapter_unlock(sa);
+}
+
+
+static int
+sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set,
+ uint32_t nb_mc_addr)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_port *port = &sa->port;
+ uint8_t *mc_addrs = port->mcast_addrs;
+ int rc;
+ unsigned int i;
+
+ if (mc_addrs == NULL)
+ return -ENOBUFS;
+
+ if (nb_mc_addr > port->max_mcast_addrs) {
+ sfc_err(sa, "too many multicast addresses: %u > %u",
+ nb_mc_addr, port->max_mcast_addrs);
+ return -EINVAL;
+ }
+
+ for (i = 0; i < nb_mc_addr; ++i) {
+ (void)rte_memcpy(mc_addrs, mc_addr_set[i].addr_bytes,
+ EFX_MAC_ADDR_LEN);
+ mc_addrs += EFX_MAC_ADDR_LEN;
+ }
+
+ port->nb_mcast_addrs = nb_mc_addr;
+
+ if (sa->state != SFC_ADAPTER_STARTED)
+ return 0;
+
+ rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs,
+ port->nb_mcast_addrs);
+ if (rc != 0)
+ sfc_err(sa, "cannot set multicast address list (rc = %u)", rc);
+
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static void
+sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t rx_queue_id,
+ struct rte_eth_rxq_info *qinfo)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_rxq_info *rxq_info;
+ struct sfc_rxq *rxq;
+
+ sfc_adapter_lock(sa);
+
+ SFC_ASSERT(rx_queue_id < sa->rxq_count);
+
+ rxq_info = &sa->rxq_info[rx_queue_id];
+ rxq = rxq_info->rxq;
+ SFC_ASSERT(rxq != NULL);
+
+ qinfo->mp = rxq->refill_mb_pool;
+ qinfo->conf.rx_free_thresh = rxq->refill_threshold;
+ qinfo->conf.rx_drop_en = 1;
+ qinfo->conf.rx_deferred_start = rxq_info->deferred_start;
+ qinfo->scattered_rx = (rxq_info->type == EFX_RXQ_TYPE_SCATTER);
+ qinfo->nb_desc = rxq_info->entries;
+
+ sfc_adapter_unlock(sa);
+}
+
+static void
+sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t tx_queue_id,
+ struct rte_eth_txq_info *qinfo)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct sfc_txq_info *txq_info;
+
+ sfc_adapter_lock(sa);
+
+ SFC_ASSERT(tx_queue_id < sa->txq_count);
+
+ txq_info = &sa->txq_info[tx_queue_id];
+ SFC_ASSERT(txq_info->txq != NULL);
+
+ memset(qinfo, 0, sizeof(*qinfo));
+
+ qinfo->conf.txq_flags = txq_info->txq->flags;
+ qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh;
+ qinfo->conf.tx_deferred_start = txq_info->deferred_start;
+ qinfo->nb_desc = txq_info->entries;
+
+ sfc_adapter_unlock(sa);
+}
+
+static uint32_t
+sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ sfc_log_init(sa, "RxQ=%u", rx_queue_id);
+
+ return sfc_rx_qdesc_npending(sa, rx_queue_id);
+}
+
+static int
+sfc_rx_descriptor_done(void *queue, uint16_t offset)
+{
+ struct sfc_dp_rxq *dp_rxq = queue;
+
+ return sfc_rx_qdesc_done(dp_rxq, offset);
+}
+
+static int
+sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "RxQ=%u", rx_queue_id);
+
+ sfc_adapter_lock(sa);
+
+ rc = EINVAL;
+ if (sa->state != SFC_ADAPTER_STARTED)
+ goto fail_not_started;
+
+ rc = sfc_rx_qstart(sa, rx_queue_id);
+ if (rc != 0)
+ goto fail_rx_qstart;
+
+ sa->rxq_info[rx_queue_id].deferred_started = B_TRUE;
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+
+fail_rx_qstart:
+fail_not_started:
+ sfc_adapter_unlock(sa);
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static int
+sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ sfc_log_init(sa, "RxQ=%u", rx_queue_id);
+
+ sfc_adapter_lock(sa);
+ sfc_rx_qstop(sa, rx_queue_id);
+
+ sa->rxq_info[rx_queue_id].deferred_started = B_FALSE;
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+}
+
+static int
+sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc;
+
+ sfc_log_init(sa, "TxQ = %u", tx_queue_id);
+
+ sfc_adapter_lock(sa);
+
+ rc = EINVAL;
+ if (sa->state != SFC_ADAPTER_STARTED)
+ goto fail_not_started;
+
+ rc = sfc_tx_qstart(sa, tx_queue_id);
+ if (rc != 0)
+ goto fail_tx_qstart;
+
+ sa->txq_info[tx_queue_id].deferred_started = B_TRUE;
+
+ sfc_adapter_unlock(sa);
+ return 0;
+
+fail_tx_qstart:
+
+fail_not_started:
+ sfc_adapter_unlock(sa);
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static int
+sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ sfc_log_init(sa, "TxQ = %u", tx_queue_id);
+
+ sfc_adapter_lock(sa);
+
+ sfc_tx_qstop(sa, tx_queue_id);
+
+ sa->txq_info[tx_queue_id].deferred_started = B_FALSE;
+
+ sfc_adapter_unlock(sa);
+ return 0;
+}
+
+#if EFSYS_OPT_RX_SCALE
+static int
+sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)
+ return -ENOTSUP;
+
+ if (sa->rss_channels == 0)
+ return -EINVAL;
+
+ sfc_adapter_lock(sa);
+
+ /*
+ * Mapping of hash configuration between RTE and EFX is not one-to-one,
+ * hence, conversion is done here to derive a correct set of ETH_RSS
+ * flags which corresponds to the active EFX configuration stored
+ * locally in 'sfc_adapter' and kept up-to-date
+ */
+ rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types);
+ rss_conf->rss_key_len = SFC_RSS_KEY_SIZE;
+ if (rss_conf->rss_key != NULL)
+ rte_memcpy(rss_conf->rss_key, sa->rss_key, SFC_RSS_KEY_SIZE);
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+}
+
+static int
+sfc_dev_rss_hash_update(struct rte_eth_dev *dev,
+ struct rte_eth_rss_conf *rss_conf)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ unsigned int efx_hash_types;
+ int rc = 0;
+
+ if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
+ sfc_err(sa, "RSS is not available");
+ return -ENOTSUP;
+ }
+
+ if (sa->rss_channels == 0) {
+ sfc_err(sa, "RSS is not configured");
+ return -EINVAL;
+ }
+
+ if ((rss_conf->rss_key != NULL) &&
+ (rss_conf->rss_key_len != sizeof(sa->rss_key))) {
+ sfc_err(sa, "RSS key size is wrong (should be %lu)",
+ sizeof(sa->rss_key));
+ return -EINVAL;
+ }
+
+ if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) {
+ sfc_err(sa, "unsupported hash functions requested");
+ return -EINVAL;
+ }
+
+ sfc_adapter_lock(sa);
+
+ efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf);
+
+ rc = efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
+ efx_hash_types, B_TRUE);
+ if (rc != 0)
+ goto fail_scale_mode_set;
+
+ if (rss_conf->rss_key != NULL) {
+ if (sa->state == SFC_ADAPTER_STARTED) {
+ rc = efx_rx_scale_key_set(sa->nic, rss_conf->rss_key,
+ sizeof(sa->rss_key));
+ if (rc != 0)
+ goto fail_scale_key_set;
+ }
+
+ rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key));
+ }
+
+ sa->rss_hash_types = efx_hash_types;
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+
+fail_scale_key_set:
+ if (efx_rx_scale_mode_set(sa->nic, EFX_RX_HASHALG_TOEPLITZ,
+ sa->rss_hash_types, B_TRUE) != 0)
+ sfc_err(sa, "failed to restore RSS mode");
+
+fail_scale_mode_set:
+ sfc_adapter_unlock(sa);
+ return -rc;
+}
+
+static int
+sfc_dev_rss_reta_query(struct rte_eth_dev *dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int entry;
+
+ if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE)
+ return -ENOTSUP;
+
+ if (sa->rss_channels == 0)
+ return -EINVAL;
+
+ if (reta_size != EFX_RSS_TBL_SIZE)
+ return -EINVAL;
+
+ sfc_adapter_lock(sa);
+
+ for (entry = 0; entry < reta_size; entry++) {
+ int grp = entry / RTE_RETA_GROUP_SIZE;
+ int grp_idx = entry % RTE_RETA_GROUP_SIZE;
+
+ if ((reta_conf[grp].mask >> grp_idx) & 1)
+ reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry];
+ }
+
+ sfc_adapter_unlock(sa);
+
+ return 0;
+}
+
+static int
+sfc_dev_rss_reta_update(struct rte_eth_dev *dev,
+ struct rte_eth_rss_reta_entry64 *reta_conf,
+ uint16_t reta_size)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ unsigned int *rss_tbl_new;
+ uint16_t entry;
+ int rc;
+
+
+ if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) {
+ sfc_err(sa, "RSS is not available");
+ return -ENOTSUP;
+ }
+
+ if (sa->rss_channels == 0) {
+ sfc_err(sa, "RSS is not configured");
+ return -EINVAL;
+ }
+
+ if (reta_size != EFX_RSS_TBL_SIZE) {
+ sfc_err(sa, "RETA size is wrong (should be %u)",
+ EFX_RSS_TBL_SIZE);
+ return -EINVAL;
+ }
+
+ rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0);
+ if (rss_tbl_new == NULL)
+ return -ENOMEM;
+
+ sfc_adapter_lock(sa);
+
+ rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl));
+
+ for (entry = 0; entry < reta_size; entry++) {
+ int grp_idx = entry % RTE_RETA_GROUP_SIZE;
+ struct rte_eth_rss_reta_entry64 *grp;
+
+ grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE];
+
+ if (grp->mask & (1ull << grp_idx)) {
+ if (grp->reta[grp_idx] >= sa->rss_channels) {
+ rc = EINVAL;
+ goto bad_reta_entry;
+ }
+ rss_tbl_new[entry] = grp->reta[grp_idx];
+ }
+ }
+
+ rc = efx_rx_scale_tbl_set(sa->nic, rss_tbl_new, EFX_RSS_TBL_SIZE);
+ if (rc == 0)
+ rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl));
+
+bad_reta_entry:
+ sfc_adapter_unlock(sa);
+
+ rte_free(rss_tbl_new);
+
+ SFC_ASSERT(rc >= 0);
+ return -rc;
+}
+#endif
+
+static int
+sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type,
+ enum rte_filter_op filter_op,
+ void *arg)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ int rc = ENOTSUP;
+
+ sfc_log_init(sa, "entry");
+
+ switch (filter_type) {
+ case RTE_ETH_FILTER_NONE:
+ sfc_err(sa, "Global filters configuration not supported");
+ break;
+ case RTE_ETH_FILTER_MACVLAN:
+ sfc_err(sa, "MACVLAN filters not supported");
+ break;
+ case RTE_ETH_FILTER_ETHERTYPE:
+ sfc_err(sa, "EtherType filters not supported");
+ break;
+ case RTE_ETH_FILTER_FLEXIBLE:
+ sfc_err(sa, "Flexible filters not supported");
+ break;
+ case RTE_ETH_FILTER_SYN:
+ sfc_err(sa, "SYN filters not supported");
+ break;
+ case RTE_ETH_FILTER_NTUPLE:
+ sfc_err(sa, "NTUPLE filters not supported");
+ break;
+ case RTE_ETH_FILTER_TUNNEL:
+ sfc_err(sa, "Tunnel filters not supported");
+ break;
+ case RTE_ETH_FILTER_FDIR:
+ sfc_err(sa, "Flow Director filters not supported");
+ break;
+ case RTE_ETH_FILTER_HASH:
+ sfc_err(sa, "Hash filters not supported");
+ break;
+ case RTE_ETH_FILTER_GENERIC:
+ if (filter_op != RTE_ETH_FILTER_GET) {
+ rc = EINVAL;
+ } else {
+ *(const void **)arg = &sfc_flow_ops;
+ rc = 0;
+ }
+ break;
+ default:
+ sfc_err(sa, "Unknown filter type %u", filter_type);
+ break;
+ }
+
+ sfc_log_init(sa, "exit: %d", -rc);
+ SFC_ASSERT(rc >= 0);
+ return -rc;
+}
+
+static const struct eth_dev_ops sfc_eth_dev_ops = {
+ .dev_configure = sfc_dev_configure,
+ .dev_start = sfc_dev_start,
+ .dev_stop = sfc_dev_stop,
+ .dev_set_link_up = sfc_dev_set_link_up,
+ .dev_set_link_down = sfc_dev_set_link_down,
+ .dev_close = sfc_dev_close,
+ .promiscuous_enable = sfc_dev_promisc_enable,
+ .promiscuous_disable = sfc_dev_promisc_disable,
+ .allmulticast_enable = sfc_dev_allmulti_enable,
+ .allmulticast_disable = sfc_dev_allmulti_disable,
+ .link_update = sfc_dev_link_update,
+ .stats_get = sfc_stats_get,
+ .stats_reset = sfc_stats_reset,
+ .xstats_get = sfc_xstats_get,
+ .xstats_reset = sfc_stats_reset,
+ .xstats_get_names = sfc_xstats_get_names,
+ .dev_infos_get = sfc_dev_infos_get,
+ .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get,
+ .mtu_set = sfc_dev_set_mtu,
+ .rx_queue_start = sfc_rx_queue_start,
+ .rx_queue_stop = sfc_rx_queue_stop,
+ .tx_queue_start = sfc_tx_queue_start,
+ .tx_queue_stop = sfc_tx_queue_stop,
+ .rx_queue_setup = sfc_rx_queue_setup,
+ .rx_queue_release = sfc_rx_queue_release,
+ .rx_queue_count = sfc_rx_queue_count,
+ .rx_descriptor_done = sfc_rx_descriptor_done,
+ .tx_queue_setup = sfc_tx_queue_setup,
+ .tx_queue_release = sfc_tx_queue_release,
+ .flow_ctrl_get = sfc_flow_ctrl_get,
+ .flow_ctrl_set = sfc_flow_ctrl_set,
+ .mac_addr_set = sfc_mac_addr_set,
+#if EFSYS_OPT_RX_SCALE
+ .reta_update = sfc_dev_rss_reta_update,
+ .reta_query = sfc_dev_rss_reta_query,
+ .rss_hash_update = sfc_dev_rss_hash_update,
+ .rss_hash_conf_get = sfc_dev_rss_hash_conf_get,
+#endif
+ .filter_ctrl = sfc_dev_filter_ctrl,
+ .set_mc_addr_list = sfc_set_mc_addr_list,
+ .rxq_info_get = sfc_rx_queue_info_get,
+ .txq_info_get = sfc_tx_queue_info_get,
+ .fw_version_get = sfc_fw_version_get,
+};
+
+static int
+sfc_eth_dev_set_ops(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ unsigned int avail_caps = 0;
+ const char *rx_name = NULL;
+ const char *tx_name = NULL;
+ int rc;
+
+ switch (sa->family) {
+ case EFX_FAMILY_HUNTINGTON:
+ case EFX_FAMILY_MEDFORD:
+ avail_caps |= SFC_DP_HW_FW_CAP_EF10;
+ break;
+ default:
+ break;
+ }
+
+ rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH,
+ sfc_kvarg_string_handler, &rx_name);
+ if (rc != 0)
+ goto fail_kvarg_rx_datapath;
+
+ if (rx_name != NULL) {
+ sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name);
+ if (sa->dp_rx == NULL) {
+ sfc_err(sa, "Rx datapath %s not found", rx_name);
+ rc = ENOENT;
+ goto fail_dp_rx;
+ }
+ if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) {
+ sfc_err(sa,
+ "Insufficient Hw/FW capabilities to use Rx datapath %s",
+ rx_name);
+ rc = EINVAL;
+ goto fail_dp_rx;
+ }
+ } else {
+ sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps);
+ if (sa->dp_rx == NULL) {
+ sfc_err(sa, "Rx datapath by caps %#x not found",
+ avail_caps);
+ rc = ENOENT;
+ goto fail_dp_rx;
+ }
+ }
+
+ sfc_info(sa, "use %s Rx datapath", sa->dp_rx->dp.name);
+
+ dev->rx_pkt_burst = sa->dp_rx->pkt_burst;
+
+ rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH,
+ sfc_kvarg_string_handler, &tx_name);
+ if (rc != 0)
+ goto fail_kvarg_tx_datapath;
+
+ if (tx_name != NULL) {
+ sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name);
+ if (sa->dp_tx == NULL) {
+ sfc_err(sa, "Tx datapath %s not found", tx_name);
+ rc = ENOENT;
+ goto fail_dp_tx;
+ }
+ if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) {
+ sfc_err(sa,
+ "Insufficient Hw/FW capabilities to use Tx datapath %s",
+ tx_name);
+ rc = EINVAL;
+ goto fail_dp_tx;
+ }
+ } else {
+ sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps);
+ if (sa->dp_tx == NULL) {
+ sfc_err(sa, "Tx datapath by caps %#x not found",
+ avail_caps);
+ rc = ENOENT;
+ goto fail_dp_tx;
+ }
+ }
+
+ sfc_info(sa, "use %s Tx datapath", sa->dp_tx->dp.name);
+
+ dev->tx_pkt_burst = sa->dp_tx->pkt_burst;
+
+ dev->dev_ops = &sfc_eth_dev_ops;
+
+ return 0;
+
+fail_dp_tx:
+fail_kvarg_tx_datapath:
+fail_dp_rx:
+fail_kvarg_rx_datapath:
+ return rc;
+}
+
+static void
+sfc_register_dp(void)
+{
+ /* Register once */
+ if (TAILQ_EMPTY(&sfc_dp_head)) {
+ /* Prefer EF10 datapath */
+ sfc_dp_register(&sfc_dp_head, &sfc_ef10_rx.dp);
+ sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp);
+
+ sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp);
+ sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp);
+ sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp);
+ }
+}
+
+static int
+sfc_eth_dev_init(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+ struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(dev);
+ int rc;
+ const efx_nic_cfg_t *encp;
+ const struct ether_addr *from;
+
+ sfc_register_dp();
+
+ /* Required for logging */
+ sa->eth_dev = dev;
+
+ /* Copy PCI device info to the dev->data */
+ rte_eth_copy_pci_info(dev, pci_dev);
+
+ rc = sfc_kvargs_parse(sa);
+ if (rc != 0)
+ goto fail_kvargs_parse;
+
+ rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT,
+ sfc_kvarg_bool_handler, &sa->debug_init);
+ if (rc != 0)
+ goto fail_kvarg_debug_init;
+
+ sfc_log_init(sa, "entry");
+
+ dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0);
+ if (dev->data->mac_addrs == NULL) {
+ rc = ENOMEM;
+ goto fail_mac_addrs;
+ }
+
+ sfc_adapter_lock_init(sa);
+ sfc_adapter_lock(sa);
+
+ sfc_log_init(sa, "probing");
+ rc = sfc_probe(sa);
+ if (rc != 0)
+ goto fail_probe;
+
+ sfc_log_init(sa, "set device ops");
+ rc = sfc_eth_dev_set_ops(dev);
+ if (rc != 0)
+ goto fail_set_ops;
+
+ sfc_log_init(sa, "attaching");
+ rc = sfc_attach(sa);
+ if (rc != 0)
+ goto fail_attach;
+
+ encp = efx_nic_cfg_get(sa->nic);
+
+ /*
+ * The arguments are really reverse order in comparison to
+ * Linux kernel. Copy from NIC config to Ethernet device data.
+ */
+ from = (const struct ether_addr *)(encp->enc_mac_addr);
+ ether_addr_copy(from, &dev->data->mac_addrs[0]);
+
+ sfc_adapter_unlock(sa);
+
+ sfc_log_init(sa, "done");
+ return 0;
+
+fail_attach:
+fail_set_ops:
+ sfc_unprobe(sa);
+
+fail_probe:
+ sfc_adapter_unlock(sa);
+ sfc_adapter_lock_fini(sa);
+ rte_free(dev->data->mac_addrs);
+ dev->data->mac_addrs = NULL;
+
+fail_mac_addrs:
+fail_kvarg_debug_init:
+ sfc_kvargs_cleanup(sa);
+
+fail_kvargs_parse:
+ sfc_log_init(sa, "failed %d", rc);
+ SFC_ASSERT(rc > 0);
+ return -rc;
+}
+
+static int
+sfc_eth_dev_uninit(struct rte_eth_dev *dev)
+{
+ struct sfc_adapter *sa = dev->data->dev_private;
+
+ sfc_log_init(sa, "entry");
+
+ sfc_adapter_lock(sa);
+
+ sfc_detach(sa);
+ sfc_unprobe(sa);
+
+ rte_free(dev->data->mac_addrs);
+ dev->data->mac_addrs = NULL;
+
+ dev->dev_ops = NULL;
+ dev->rx_pkt_burst = NULL;
+ dev->tx_pkt_burst = NULL;
+
+ sfc_kvargs_cleanup(sa);
+
+ sfc_adapter_unlock(sa);
+ sfc_adapter_lock_fini(sa);
+
+ sfc_log_init(sa, "done");
+
+ /* Required for logging, so cleanup last */
+ sa->eth_dev = NULL;
+ return 0;
+}
+
+static const struct rte_pci_id pci_id_sfc_efx_map[] = {
+ { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) },
+ { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) },
+ { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) },
+ { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) },
+ { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) },
+ { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) },
+ { .vendor_id = 0 /* sentinel */ }
+};
+
+static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
+ struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_probe(pci_dev,
+ sizeof(struct sfc_adapter), sfc_eth_dev_init);
+}
+
+static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev)
+{
+ return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit);
+}
+
+static struct rte_pci_driver sfc_efx_pmd = {
+ .id_table = pci_id_sfc_efx_map,
+ .drv_flags =
+ RTE_PCI_DRV_INTR_LSC |
+ RTE_PCI_DRV_NEED_MAPPING,
+ .probe = sfc_eth_dev_pci_probe,
+ .remove = sfc_eth_dev_pci_remove,
+};
+
+RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd);
+RTE_PMD_REGISTER_PCI_TABLE(net_sfc_efx, pci_id_sfc_efx_map);
+RTE_PMD_REGISTER_KMOD_DEP(net_sfc_efx, "* igb_uio | uio_pci_generic | vfio");
+RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx,
+ SFC_KVARG_RX_DATAPATH "=" SFC_KVARG_VALUES_RX_DATAPATH " "
+ SFC_KVARG_TX_DATAPATH "=" SFC_KVARG_VALUES_TX_DATAPATH " "
+ SFC_KVARG_PERF_PROFILE "=" SFC_KVARG_VALUES_PERF_PROFILE " "
+ SFC_KVARG_STATS_UPDATE_PERIOD_MS "=<long> "
+ SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " "
+ SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);
Code Review / deb_dpdk.git / blobdiff