/* SPDX-License-Identifier: BSD-3-Clause * * Copyright(c) 2019-2021 Xilinx, Inc. * Copyright(c) 2016-2019 Solarflare Communications Inc. * * This software was jointly developed between OKTET Labs (under contract * for Solarflare) and Solarflare Communications, Inc. */ #include #include #include #include #include #include #include #include #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" #include "sfc_repr.h" #include "sfc_sw_stats.h" #include "sfc_switch.h" #define SFC_XSTAT_ID_INVALID_VAL UINT64_MAX #define SFC_XSTAT_ID_INVALID_NAME '\0' uint32_t sfc_logtype_driver; static struct sfc_dp_list sfc_dp_head = TAILQ_HEAD_INITIALIZER(sfc_dp_head); static void sfc_eth_dev_clear_ops(struct rte_eth_dev *dev); static int sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); efx_nic_fw_info_t enfi; int ret; int rc; 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 int sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) { const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev); struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_rss *rss = &sas->rss; struct sfc_mae *mae = &sa->mae; uint64_t txq_offloads_def = 0; sfc_log_init(sa, "entry"); dev_info->min_mtu = RTE_ETHER_MIN_MTU; dev_info->max_mtu = EFX_MAC_SDU_MAX; dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX; dev_info->max_vfs = sa->sriov.num_vfs; /* Autonegotiation may be disabled */ dev_info->speed_capa = ETH_LINK_SPEED_FIXED; if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_1000FDX)) dev_info->speed_capa |= ETH_LINK_SPEED_1G; if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_10000FDX)) dev_info->speed_capa |= ETH_LINK_SPEED_10G; if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_25000FDX)) dev_info->speed_capa |= ETH_LINK_SPEED_25G; if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_40000FDX)) dev_info->speed_capa |= ETH_LINK_SPEED_40G; if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_50000FDX)) dev_info->speed_capa |= ETH_LINK_SPEED_50G; if (sa->port.phy_adv_cap_mask & (1u << EFX_PHY_CAP_100000FDX)) dev_info->speed_capa |= ETH_LINK_SPEED_100G; 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_queue_offload_capa = sfc_rx_get_queue_offload_caps(sa); /* * rx_offload_capa includes both device and queue offloads since * the latter may be requested on a per device basis which makes * sense when some offloads are needed to be set on all queues. */ dev_info->rx_offload_capa = sfc_rx_get_dev_offload_caps(sa) | dev_info->rx_queue_offload_capa; dev_info->tx_queue_offload_capa = sfc_tx_get_queue_offload_caps(sa); /* * tx_offload_capa includes both device and queue offloads since * the latter may be requested on a per device basis which makes * sense when some offloads are needed to be set on all queues. */ dev_info->tx_offload_capa = sfc_tx_get_dev_offload_caps(sa) | dev_info->tx_queue_offload_capa; if (dev_info->tx_offload_capa & DEV_TX_OFFLOAD_MBUF_FAST_FREE) txq_offloads_def |= DEV_TX_OFFLOAD_MBUF_FAST_FREE; dev_info->default_txconf.offloads |= txq_offloads_def; if (rss->context_type != EFX_RX_SCALE_UNAVAILABLE) { uint64_t rte_hf = 0; unsigned int i; for (i = 0; i < rss->hf_map_nb_entries; ++i) rte_hf |= rss->hf_map[i].rte; dev_info->reta_size = EFX_RSS_TBL_SIZE; dev_info->hash_key_size = EFX_RSS_KEY_SIZE; dev_info->flow_type_rss_offloads = rte_hf; } /* Initialize to hardware limits */ dev_info->rx_desc_lim.nb_max = sa->rxq_max_entries; dev_info->rx_desc_lim.nb_min = sa->rxq_min_entries; /* 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 = sa->rxq_min_entries; /* Initialize to hardware limits */ dev_info->tx_desc_lim.nb_max = sa->txq_max_entries; dev_info->tx_desc_lim.nb_min = sa->txq_min_entries; /* * 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 = sa->txq_min_entries; if (sap->dp_rx->get_dev_info != NULL) sap->dp_rx->get_dev_info(dev_info); if (sap->dp_tx->get_dev_info != NULL) sap->dp_tx->get_dev_info(dev_info); dev_info->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP | RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP; if (mae->status == SFC_MAE_STATUS_SUPPORTED) { dev_info->switch_info.name = dev->device->driver->name; dev_info->switch_info.domain_id = mae->switch_domain_id; dev_info->switch_info.port_id = mae->switch_port_id; } return 0; } static const uint32_t * sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev) { const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev); return sap->dp_rx->supported_ptypes_get(sap->shared->tunnel_encaps); } static int sfc_dev_configure(struct rte_eth_dev *dev) { struct rte_eth_dev_data *dev_data = dev->data; struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); 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_ETHDEV_CONFIGURED: /* FALLTHROUGH */ case SFC_ETHDEV_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 = sfc_adapter_by_eth_dev(dev); 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 = sfc_adapter_by_eth_dev(dev); struct rte_eth_link current_link; int ret; sfc_log_init(sa, "entry"); if (sa->state != SFC_ETHDEV_STARTED) { sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link); } 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); } else { sfc_ev_mgmt_qpoll(sa); rte_eth_linkstatus_get(dev, ¤t_link); } ret = rte_eth_linkstatus_set(dev, ¤t_link); if (ret == 0) sfc_notice(sa, "Link status is %s", current_link.link_status ? "UP" : "DOWN"); return ret; } static int sfc_dev_stop(struct rte_eth_dev *dev) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); sfc_log_init(sa, "entry"); sfc_adapter_lock(sa); sfc_stop(sa); sfc_adapter_unlock(sa); sfc_log_init(sa, "done"); return 0; } static int sfc_dev_set_link_up(struct rte_eth_dev *dev) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); 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 = sfc_adapter_by_eth_dev(dev); sfc_log_init(sa, "entry"); sfc_adapter_lock(sa); sfc_stop(sa); sfc_adapter_unlock(sa); return 0; } static void sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev) { free(dev->process_private); rte_eth_dev_release_port(dev); } static int sfc_dev_close(struct rte_eth_dev *dev) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); sfc_log_init(sa, "entry"); if (rte_eal_process_type() != RTE_PROC_PRIMARY) { sfc_eth_dev_secondary_clear_ops(dev); return 0; } sfc_pre_detach(sa); sfc_adapter_lock(sa); switch (sa->state) { case SFC_ETHDEV_STARTED: sfc_stop(sa); SFC_ASSERT(sa->state == SFC_ETHDEV_CONFIGURED); /* FALLTHROUGH */ case SFC_ETHDEV_CONFIGURED: sfc_close(sa); SFC_ASSERT(sa->state == SFC_ETHDEV_INITIALIZED); /* FALLTHROUGH */ case SFC_ETHDEV_INITIALIZED: break; default: sfc_err(sa, "unexpected adapter state %u on close", sa->state); break; } /* * Cleanup all resources. * Rollback primary process sfc_eth_dev_init() below. */ sfc_eth_dev_clear_ops(dev); sfc_detach(sa); sfc_unprobe(sa); 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; free(sa); return 0; } static int 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 = sfc_adapter_by_eth_dev(dev); boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI); const char *desc = (allmulti) ? "all-multi" : "promiscuous"; int rc = 0; sfc_adapter_lock(sa); port = &sa->port; toggle = (allmulti) ? (&port->allmulti) : (&port->promisc); if (*toggle != enabled) { *toggle = enabled; if (sfc_sa2shared(sa)->isolated) { sfc_warn(sa, "isolated mode is active on the port"); sfc_warn(sa, "the change is to be applied on the next " "start provided that isolated mode is " "disabled prior the next start"); } else if ((sa->state == SFC_ETHDEV_STARTED) && ((rc = sfc_set_rx_mode(sa)) != 0)) { *toggle = !(enabled); sfc_warn(sa, "Failed to %s %s mode, rc = %d", ((enabled) ? "enable" : "disable"), desc, rc); /* * For promiscuous and all-multicast filters a * permission failure should be reported as an * unsupported filter. */ if (rc == EPERM) rc = ENOTSUP; } } sfc_adapter_unlock(sa); return rc; } static int sfc_dev_promisc_enable(struct rte_eth_dev *dev) { int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE); SFC_ASSERT(rc >= 0); return -rc; } static int sfc_dev_promisc_disable(struct rte_eth_dev *dev) { int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE); SFC_ASSERT(rc >= 0); return -rc; } static int sfc_dev_allmulti_enable(struct rte_eth_dev *dev) { int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE); SFC_ASSERT(rc >= 0); return -rc; } static int sfc_dev_allmulti_disable(struct rte_eth_dev *dev) { int rc = sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE); SFC_ASSERT(rc >= 0); return -rc; } static int sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t ethdev_qid, uint16_t nb_rx_desc, unsigned int socket_id, const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mb_pool) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid; struct sfc_rxq_info *rxq_info; sfc_sw_index_t sw_index; int rc; sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u", ethdev_qid, nb_rx_desc, socket_id); sfc_adapter_lock(sa); sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid); rc = sfc_rx_qinit(sa, sw_index, nb_rx_desc, socket_id, rx_conf, mb_pool); if (rc != 0) goto fail_rx_qinit; rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid); dev->data->rx_queues[ethdev_qid] = rxq_info->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(struct rte_eth_dev *dev, uint16_t qid) { struct sfc_dp_rxq *dp_rxq = dev->data->rx_queues[qid]; struct sfc_rxq *rxq; struct sfc_adapter *sa; sfc_sw_index_t 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 = dp_rxq->dpq.queue_id; sfc_log_init(sa, "RxQ=%u", sw_index); sfc_rx_qfini(sa, sw_index); sfc_adapter_unlock(sa); } static int sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t ethdev_qid, uint16_t nb_tx_desc, unsigned int socket_id, const struct rte_eth_txconf *tx_conf) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_txq_info *txq_info; sfc_sw_index_t sw_index; int rc; sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u", ethdev_qid, nb_tx_desc, socket_id); sfc_adapter_lock(sa); sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid); rc = sfc_tx_qinit(sa, sw_index, nb_tx_desc, socket_id, tx_conf); if (rc != 0) goto fail_tx_qinit; txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid); dev->data->tx_queues[ethdev_qid] = txq_info->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(struct rte_eth_dev *dev, uint16_t qid) { struct sfc_dp_txq *dp_txq = dev->data->tx_queues[qid]; struct sfc_txq *txq; sfc_sw_index_t sw_index; struct sfc_adapter *sa; if (dp_txq == NULL) return; txq = sfc_txq_by_dp_txq(dp_txq); sw_index = dp_txq->dpq.queue_id; SFC_ASSERT(txq->evq != NULL); sa = txq->evq->sa; sfc_log_init(sa, "TxQ = %u", sw_index); sfc_adapter_lock(sa); sfc_tx_qfini(sa, sw_index); sfc_adapter_unlock(sa); } static void sfc_stats_get_dp_rx(struct sfc_adapter *sa, uint64_t *pkts, uint64_t *bytes) { struct sfc_adapter_shared *sas = sfc_sa2shared(sa); uint64_t pkts_sum = 0; uint64_t bytes_sum = 0; unsigned int i; for (i = 0; i < sas->ethdev_rxq_count; ++i) { struct sfc_rxq_info *rxq_info; rxq_info = sfc_rxq_info_by_ethdev_qid(sas, i); if (rxq_info->state & SFC_RXQ_INITIALIZED) { union sfc_pkts_bytes qstats; sfc_pkts_bytes_get(&rxq_info->dp->dpq.stats, &qstats); pkts_sum += qstats.pkts - sa->sw_stats.reset_rx_pkts[i]; bytes_sum += qstats.bytes - sa->sw_stats.reset_rx_bytes[i]; } } *pkts = pkts_sum; *bytes = bytes_sum; } static void sfc_stats_get_dp_tx(struct sfc_adapter *sa, uint64_t *pkts, uint64_t *bytes) { struct sfc_adapter_shared *sas = sfc_sa2shared(sa); uint64_t pkts_sum = 0; uint64_t bytes_sum = 0; unsigned int i; for (i = 0; i < sas->ethdev_txq_count; ++i) { struct sfc_txq_info *txq_info; txq_info = sfc_txq_info_by_ethdev_qid(sas, i); if (txq_info->state & SFC_TXQ_INITIALIZED) { union sfc_pkts_bytes qstats; sfc_pkts_bytes_get(&txq_info->dp->dpq.stats, &qstats); pkts_sum += qstats.pkts - sa->sw_stats.reset_tx_pkts[i]; bytes_sum += qstats.bytes - sa->sw_stats.reset_tx_bytes[i]; } } *pkts = pkts_sum; *bytes = bytes_sum; } /* * Some statistics are computed as A - B where A and B each increase * monotonically with some hardware counter(s) and the counters are read * asynchronously. * * If packet X is counted in A, but not counted in B yet, computed value is * greater than real. * * If packet X is not counted in A at the moment of reading the counter, * but counted in B at the moment of reading the counter, computed value * is less than real. * * However, counter which grows backward is worse evil than slightly wrong * value. So, let's try to guarantee that it never happens except may be * the case when the MAC stats are zeroed as a result of a NIC reset. */ static void sfc_update_diff_stat(uint64_t *stat, uint64_t newval) { if ((int64_t)(newval - *stat) > 0 || newval == 0) *stat = newval; } static int sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) { const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev); bool have_dp_rx_stats = sap->dp_rx->features & SFC_DP_RX_FEAT_STATS; bool have_dp_tx_stats = sap->dp_tx->features & SFC_DP_TX_FEAT_STATS; struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_port *port = &sa->port; uint64_t *mac_stats; int ret; sfc_adapter_lock(sa); if (have_dp_rx_stats) sfc_stats_get_dp_rx(sa, &stats->ipackets, &stats->ibytes); if (have_dp_tx_stats) sfc_stats_get_dp_tx(sa, &stats->opackets, &stats->obytes); ret = sfc_port_update_mac_stats(sa, B_FALSE); if (ret != 0) goto unlock; mac_stats = port->mac_stats_buf; if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, EFX_MAC_VADAPTER_RX_UNICAST_PACKETS)) { if (!have_dp_rx_stats) { 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->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]; /* CRC is included in these stats, but shouldn't be */ stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN; } if (!have_dp_tx_stats) { 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->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]; /* CRC is included in these stats, but shouldn't be */ stats->obytes -= stats->opackets * RTE_ETHER_CRC_LEN; } stats->imissed = mac_stats[EFX_MAC_VADAPTER_RX_BAD_PACKETS]; stats->oerrors = mac_stats[EFX_MAC_VADAPTER_TX_BAD_PACKETS]; } else { if (!have_dp_tx_stats) { stats->opackets = mac_stats[EFX_MAC_TX_PKTS]; stats->obytes = mac_stats[EFX_MAC_TX_OCTETS] - mac_stats[EFX_MAC_TX_PKTS] * RTE_ETHER_CRC_LEN; } /* * 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 */ if (!have_dp_rx_stats) { /* Exclude missed, errors and pauses from Rx packets */ sfc_update_diff_stat(&port->ipackets, mac_stats[EFX_MAC_RX_PKTS] - mac_stats[EFX_MAC_RX_PAUSE_PKTS] - stats->imissed - stats->ierrors); stats->ipackets = port->ipackets; stats->ibytes = mac_stats[EFX_MAC_RX_OCTETS] - mac_stats[EFX_MAC_RX_PKTS] * RTE_ETHER_CRC_LEN; } } unlock: sfc_adapter_unlock(sa); SFC_ASSERT(ret >= 0); return -ret; } static int sfc_stats_reset(struct rte_eth_dev *dev) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_port *port = &sa->port; int rc; sfc_adapter_lock(sa); if (sa->state != SFC_ETHDEV_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; sfc_adapter_unlock(sa); return 0; } rc = sfc_port_reset_mac_stats(sa); if (rc != 0) sfc_err(sa, "failed to reset statistics (rc = %d)", rc); sfc_sw_xstats_reset(sa); sfc_adapter_unlock(sa); SFC_ASSERT(rc >= 0); return -rc; } static unsigned int sfc_xstats_get_nb_supported(struct sfc_adapter *sa) { struct sfc_port *port = &sa->port; unsigned int nb_supported; sfc_adapter_lock(sa); nb_supported = port->mac_stats_nb_supported + sfc_sw_xstats_get_nb_supported(sa); sfc_adapter_unlock(sa); return nb_supported; } static int sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, unsigned int xstats_count) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); unsigned int nb_written = 0; unsigned int nb_supported = 0; int rc; if (unlikely(xstats == NULL)) return sfc_xstats_get_nb_supported(sa); rc = sfc_port_get_mac_stats(sa, xstats, xstats_count, &nb_written); if (rc < 0) return rc; nb_supported = rc; sfc_sw_xstats_get_vals(sa, xstats, xstats_count, &nb_written, &nb_supported); return nb_supported; } 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 = sfc_adapter_by_eth_dev(dev); struct sfc_port *port = &sa->port; unsigned int i; unsigned int nstats = 0; unsigned int nb_written = 0; int ret; if (unlikely(xstats_names == NULL)) return sfc_xstats_get_nb_supported(sa); for (i = 0; i < EFX_MAC_NSTATS; ++i) { if (EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) { if (nstats < xstats_count) { strlcpy(xstats_names[nstats].name, efx_mac_stat_name(sa->nic, i), sizeof(xstats_names[0].name)); nb_written++; } nstats++; } } ret = sfc_sw_xstats_get_names(sa, xstats_names, xstats_count, &nb_written, &nstats); if (ret != 0) { SFC_ASSERT(ret < 0); return ret; } return nstats; } static int sfc_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids, uint64_t *values, unsigned int n) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_port *port = &sa->port; unsigned int nb_supported; unsigned int i; int rc; if (unlikely(ids == NULL || values == NULL)) return -EINVAL; /* * Values array could be filled in nonsequential order. Fill values with * constant indicating invalid ID first. */ for (i = 0; i < n; i++) values[i] = SFC_XSTAT_ID_INVALID_VAL; rc = sfc_port_get_mac_stats_by_id(sa, ids, values, n); if (rc != 0) return rc; nb_supported = port->mac_stats_nb_supported; sfc_sw_xstats_get_vals_by_id(sa, ids, values, n, &nb_supported); /* Return number of written stats before invalid ID is encountered. */ for (i = 0; i < n; i++) { if (values[i] == SFC_XSTAT_ID_INVALID_VAL) return i; } return n; } static int sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, const uint64_t *ids, struct rte_eth_xstat_name *xstats_names, unsigned int size) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_port *port = &sa->port; unsigned int nb_supported; unsigned int i; int ret; if (unlikely(xstats_names == NULL && ids != NULL) || unlikely(xstats_names != NULL && ids == NULL)) return -EINVAL; if (unlikely(xstats_names == NULL && ids == NULL)) return sfc_xstats_get_nb_supported(sa); /* * Names array could be filled in nonsequential order. Fill names with * string indicating invalid ID first. */ for (i = 0; i < size; i++) xstats_names[i].name[0] = SFC_XSTAT_ID_INVALID_NAME; sfc_adapter_lock(sa); SFC_ASSERT(port->mac_stats_nb_supported <= RTE_DIM(port->mac_stats_by_id)); for (i = 0; i < size; i++) { if (ids[i] < port->mac_stats_nb_supported) { strlcpy(xstats_names[i].name, efx_mac_stat_name(sa->nic, port->mac_stats_by_id[ids[i]]), sizeof(xstats_names[0].name)); } } nb_supported = port->mac_stats_nb_supported; sfc_adapter_unlock(sa); ret = sfc_sw_xstats_get_names_by_id(sa, ids, xstats_names, size, &nb_supported); if (ret != 0) { SFC_ASSERT(ret < 0); return ret; } /* Return number of written names before invalid ID is encountered. */ for (i = 0; i < size; i++) { if (xstats_names[i].name[0] == SFC_XSTAT_ID_INVALID_NAME) return i; } return size; } static int sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); unsigned int wanted_fc, link_fc; memset(fc_conf, 0, sizeof(*fc_conf)); sfc_adapter_lock(sa); if (sa->state == SFC_ETHDEV_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 = sfc_adapter_by_eth_dev(dev); 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_ETHDEV_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_check_scatter_on_all_rx_queues(struct sfc_adapter *sa, size_t pdu) { struct sfc_adapter_shared * const sas = sfc_sa2shared(sa); const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); boolean_t scatter_enabled; const char *error; unsigned int i; for (i = 0; i < sas->rxq_count; i++) { if ((sas->rxq_info[i].state & SFC_RXQ_INITIALIZED) == 0) continue; scatter_enabled = (sas->rxq_info[i].type_flags & EFX_RXQ_FLAG_SCATTER); if (!sfc_rx_check_scatter(pdu, sa->rxq_ctrl[i].buf_size, encp->enc_rx_prefix_size, scatter_enabled, encp->enc_rx_scatter_max, &error)) { sfc_err(sa, "MTU check for RxQ %u failed: %s", i, error); return EINVAL; } } return 0; } static int sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); 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, (unsigned int)EFX_MAC_PDU_MAX); goto fail_inval; } sfc_adapter_lock(sa); rc = sfc_check_scatter_on_all_rx_queues(sa, pdu); if (rc != 0) goto fail_check_scatter; if (pdu != sa->port.pdu) { if (sa->state == SFC_ETHDEV_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. */ if (mtu > RTE_ETHER_MTU) { struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; rxmode->offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME; } 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); fail_check_scatter: sfc_adapter_unlock(sa); fail_inval: sfc_log_init(sa, "failed %d", rc); SFC_ASSERT(rc > 0); return -rc; } static int sfc_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); struct sfc_port *port = &sa->port; struct rte_ether_addr *old_addr = &dev->data->mac_addrs[0]; int rc = 0; sfc_adapter_lock(sa); if (rte_is_same_ether_addr(mac_addr, &port->default_mac_addr)) goto unlock; /* * Copy the address to the device private data so that * it could be recalled in the case of adapter restart. */ rte_ether_addr_copy(mac_addr, &port->default_mac_addr); /* * Neither of the two following checks can return * an error. The new MAC address is preserved in * the device private data and can be activated * on the next port start if the user prevents * isolated mode from being enabled. */ if (sfc_sa2shared(sa)->isolated) { sfc_warn(sa, "isolated mode is active on the port"); sfc_warn(sa, "will not set MAC address"); goto unlock; } if (sa->state != SFC_ETHDEV_STARTED) { sfc_notice(sa, "the port is not started"); sfc_notice(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_unchecked(sa); if (rc != 0) { sfc_err(sa, "cannot set filter (rc = %u)", rc); /* Rollback the old address */ (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes); (void)sfc_set_rx_mode_unchecked(sa); } } 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, the new MAC address will be set * by means of adapter restart. sfc_start() shall retrieve * the new address from the device private data and set it. */ sfc_stop(sa); rc = sfc_start(sa); if (rc != 0) sfc_err(sa, "cannot restart adapter (rc = %u)", rc); } unlock: if (rc != 0) rte_ether_addr_copy(old_addr, &port->default_mac_addr); sfc_adapter_unlock(sa); SFC_ASSERT(rc >= 0); return -rc; } static int sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct rte_ether_addr *mc_addr_set, uint32_t nb_mc_addr) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_port *port = &sa->port; uint8_t *mc_addrs = port->mcast_addrs; int rc; unsigned int i; if (sfc_sa2shared(sa)->isolated) { sfc_err(sa, "isolated mode is active on the port"); sfc_err(sa, "will not set multicast address list"); return -ENOTSUP; } 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) { 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_ETHDEV_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; } /* * The function is used by the secondary process as well. It must not * use any process-local pointers from the adapter data. */ static void sfc_rx_queue_info_get(struct rte_eth_dev *dev, uint16_t ethdev_qid, struct rte_eth_rxq_info *qinfo) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid; struct sfc_rxq_info *rxq_info; rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid); qinfo->mp = rxq_info->refill_mb_pool; qinfo->conf.rx_free_thresh = rxq_info->refill_threshold; qinfo->conf.rx_drop_en = 1; qinfo->conf.rx_deferred_start = rxq_info->deferred_start; qinfo->conf.offloads = dev->data->dev_conf.rxmode.offloads; if (rxq_info->type_flags & EFX_RXQ_FLAG_SCATTER) { qinfo->conf.offloads |= DEV_RX_OFFLOAD_SCATTER; qinfo->scattered_rx = 1; } qinfo->nb_desc = rxq_info->entries; } /* * The function is used by the secondary process as well. It must not * use any process-local pointers from the adapter data. */ static void sfc_tx_queue_info_get(struct rte_eth_dev *dev, uint16_t ethdev_qid, struct rte_eth_txq_info *qinfo) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_txq_info *txq_info; SFC_ASSERT(ethdev_qid < sas->ethdev_txq_count); txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid); memset(qinfo, 0, sizeof(*qinfo)); qinfo->conf.offloads = txq_info->offloads; qinfo->conf.tx_free_thresh = txq_info->free_thresh; qinfo->conf.tx_deferred_start = txq_info->deferred_start; qinfo->nb_desc = txq_info->entries; } /* * The function is used by the secondary process as well. It must not * use any process-local pointers from the adapter data. */ static uint32_t sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t ethdev_qid) { const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev); struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid; struct sfc_rxq_info *rxq_info; rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid); if ((rxq_info->state & SFC_RXQ_STARTED) == 0) return 0; return sap->dp_rx->qdesc_npending(rxq_info->dp); } /* * The function is used by the secondary process as well. It must not * use any process-local pointers from the adapter data. */ static int sfc_rx_descriptor_status(void *queue, uint16_t offset) { struct sfc_dp_rxq *dp_rxq = queue; const struct sfc_dp_rx *dp_rx; dp_rx = sfc_dp_rx_by_dp_rxq(dp_rxq); return dp_rx->qdesc_status(dp_rxq, offset); } /* * The function is used by the secondary process as well. It must not * use any process-local pointers from the adapter data. */ static int sfc_tx_descriptor_status(void *queue, uint16_t offset) { struct sfc_dp_txq *dp_txq = queue; const struct sfc_dp_tx *dp_tx; dp_tx = sfc_dp_tx_by_dp_txq(dp_txq); return dp_tx->qdesc_status(dp_txq, offset); } static int sfc_rx_queue_start(struct rte_eth_dev *dev, uint16_t ethdev_qid) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid; struct sfc_rxq_info *rxq_info; sfc_sw_index_t sw_index; int rc; sfc_log_init(sa, "RxQ=%u", ethdev_qid); sfc_adapter_lock(sa); rc = EINVAL; if (sa->state != SFC_ETHDEV_STARTED) goto fail_not_started; rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid); if (rxq_info->state != SFC_RXQ_INITIALIZED) goto fail_not_setup; sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid); rc = sfc_rx_qstart(sa, sw_index); if (rc != 0) goto fail_rx_qstart; rxq_info->deferred_started = B_TRUE; sfc_adapter_unlock(sa); return 0; fail_rx_qstart: fail_not_setup: 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 ethdev_qid) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid; struct sfc_rxq_info *rxq_info; sfc_sw_index_t sw_index; sfc_log_init(sa, "RxQ=%u", ethdev_qid); sfc_adapter_lock(sa); sw_index = sfc_rxq_sw_index_by_ethdev_rx_qid(sas, sfc_ethdev_qid); sfc_rx_qstop(sa, sw_index); rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid); rxq_info->deferred_started = B_FALSE; sfc_adapter_unlock(sa); return 0; } static int sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t ethdev_qid) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_txq_info *txq_info; sfc_sw_index_t sw_index; int rc; sfc_log_init(sa, "TxQ = %u", ethdev_qid); sfc_adapter_lock(sa); rc = EINVAL; if (sa->state != SFC_ETHDEV_STARTED) goto fail_not_started; txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid); if (txq_info->state != SFC_TXQ_INITIALIZED) goto fail_not_setup; sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid); rc = sfc_tx_qstart(sa, sw_index); if (rc != 0) goto fail_tx_qstart; txq_info->deferred_started = B_TRUE; sfc_adapter_unlock(sa); return 0; fail_tx_qstart: fail_not_setup: 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 ethdev_qid) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_txq_info *txq_info; sfc_sw_index_t sw_index; sfc_log_init(sa, "TxQ = %u", ethdev_qid); sfc_adapter_lock(sa); sw_index = sfc_txq_sw_index_by_ethdev_tx_qid(sas, ethdev_qid); sfc_tx_qstop(sa, sw_index); txq_info = sfc_txq_info_by_ethdev_qid(sas, ethdev_qid); txq_info->deferred_started = B_FALSE; sfc_adapter_unlock(sa); return 0; } static efx_tunnel_protocol_t sfc_tunnel_rte_type_to_efx_udp_proto(enum rte_eth_tunnel_type rte_type) { switch (rte_type) { case RTE_TUNNEL_TYPE_VXLAN: return EFX_TUNNEL_PROTOCOL_VXLAN; case RTE_TUNNEL_TYPE_GENEVE: return EFX_TUNNEL_PROTOCOL_GENEVE; default: return EFX_TUNNEL_NPROTOS; } } enum sfc_udp_tunnel_op_e { SFC_UDP_TUNNEL_ADD_PORT, SFC_UDP_TUNNEL_DEL_PORT, }; static int sfc_dev_udp_tunnel_op(struct rte_eth_dev *dev, struct rte_eth_udp_tunnel *tunnel_udp, enum sfc_udp_tunnel_op_e op) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); efx_tunnel_protocol_t tunnel_proto; int rc; sfc_log_init(sa, "%s udp_port=%u prot_type=%u", (op == SFC_UDP_TUNNEL_ADD_PORT) ? "add" : (op == SFC_UDP_TUNNEL_DEL_PORT) ? "delete" : "unknown", tunnel_udp->udp_port, tunnel_udp->prot_type); tunnel_proto = sfc_tunnel_rte_type_to_efx_udp_proto(tunnel_udp->prot_type); if (tunnel_proto >= EFX_TUNNEL_NPROTOS) { rc = ENOTSUP; goto fail_bad_proto; } sfc_adapter_lock(sa); switch (op) { case SFC_UDP_TUNNEL_ADD_PORT: rc = efx_tunnel_config_udp_add(sa->nic, tunnel_udp->udp_port, tunnel_proto); break; case SFC_UDP_TUNNEL_DEL_PORT: rc = efx_tunnel_config_udp_remove(sa->nic, tunnel_udp->udp_port, tunnel_proto); break; default: rc = EINVAL; goto fail_bad_op; } if (rc != 0) goto fail_op; if (sa->state == SFC_ETHDEV_STARTED) { rc = efx_tunnel_reconfigure(sa->nic); if (rc == EAGAIN) { /* * Configuration is accepted by FW and MC reboot * is initiated to apply the changes. MC reboot * will be handled in a usual way (MC reboot * event on management event queue and adapter * restart). */ rc = 0; } else if (rc != 0) { goto fail_reconfigure; } } sfc_adapter_unlock(sa); return 0; fail_reconfigure: /* Remove/restore entry since the change makes the trouble */ switch (op) { case SFC_UDP_TUNNEL_ADD_PORT: (void)efx_tunnel_config_udp_remove(sa->nic, tunnel_udp->udp_port, tunnel_proto); break; case SFC_UDP_TUNNEL_DEL_PORT: (void)efx_tunnel_config_udp_add(sa->nic, tunnel_udp->udp_port, tunnel_proto); break; } fail_op: fail_bad_op: sfc_adapter_unlock(sa); fail_bad_proto: SFC_ASSERT(rc > 0); return -rc; } static int sfc_dev_udp_tunnel_port_add(struct rte_eth_dev *dev, struct rte_eth_udp_tunnel *tunnel_udp) { return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_ADD_PORT); } static int sfc_dev_udp_tunnel_port_del(struct rte_eth_dev *dev, struct rte_eth_udp_tunnel *tunnel_udp) { return sfc_dev_udp_tunnel_op(dev, tunnel_udp, SFC_UDP_TUNNEL_DEL_PORT); } /* * The function is used by the secondary process as well. It must not * use any process-local pointers from the adapter data. */ static int sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev, struct rte_eth_rss_conf *rss_conf) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_rss *rss = &sas->rss; if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) return -ENOTSUP; /* * 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_rx_hf_efx_to_rte(rss, rss->hash_types); rss_conf->rss_key_len = EFX_RSS_KEY_SIZE; if (rss_conf->rss_key != NULL) rte_memcpy(rss_conf->rss_key, rss->key, EFX_RSS_KEY_SIZE); 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 = sfc_adapter_by_eth_dev(dev); struct sfc_rss *rss = &sfc_sa2shared(sa)->rss; unsigned int efx_hash_types; uint32_t contexts[] = {EFX_RSS_CONTEXT_DEFAULT, rss->dummy_rss_context}; unsigned int n_contexts; unsigned int mode_i = 0; unsigned int key_i = 0; unsigned int i = 0; int rc = 0; n_contexts = rss->dummy_rss_context == EFX_RSS_CONTEXT_DEFAULT ? 1 : 2; if (sfc_sa2shared(sa)->isolated) return -ENOTSUP; if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) { sfc_err(sa, "RSS is not available"); return -ENOTSUP; } if (rss->channels == 0) { sfc_err(sa, "RSS is not configured"); return -EINVAL; } if ((rss_conf->rss_key != NULL) && (rss_conf->rss_key_len != sizeof(rss->key))) { sfc_err(sa, "RSS key size is wrong (should be %zu)", sizeof(rss->key)); return -EINVAL; } sfc_adapter_lock(sa); rc = sfc_rx_hf_rte_to_efx(sa, rss_conf->rss_hf, &efx_hash_types); if (rc != 0) goto fail_rx_hf_rte_to_efx; for (mode_i = 0; mode_i < n_contexts; mode_i++) { rc = efx_rx_scale_mode_set(sa->nic, contexts[mode_i], rss->hash_alg, efx_hash_types, B_TRUE); if (rc != 0) goto fail_scale_mode_set; } if (rss_conf->rss_key != NULL) { if (sa->state == SFC_ETHDEV_STARTED) { for (key_i = 0; key_i < n_contexts; key_i++) { rc = efx_rx_scale_key_set(sa->nic, contexts[key_i], rss_conf->rss_key, sizeof(rss->key)); if (rc != 0) goto fail_scale_key_set; } } rte_memcpy(rss->key, rss_conf->rss_key, sizeof(rss->key)); } rss->hash_types = efx_hash_types; sfc_adapter_unlock(sa); return 0; fail_scale_key_set: for (i = 0; i < key_i; i++) { if (efx_rx_scale_key_set(sa->nic, contexts[i], rss->key, sizeof(rss->key)) != 0) sfc_err(sa, "failed to restore RSS key"); } fail_scale_mode_set: for (i = 0; i < mode_i; i++) { if (efx_rx_scale_mode_set(sa->nic, contexts[i], EFX_RX_HASHALG_TOEPLITZ, rss->hash_types, B_TRUE) != 0) sfc_err(sa, "failed to restore RSS mode"); } fail_rx_hf_rte_to_efx: sfc_adapter_unlock(sa); return -rc; } /* * The function is used by the secondary process as well. It must not * use any process-local pointers from the adapter data. */ 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_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_rss *rss = &sas->rss; int entry; if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE || sas->isolated) return -ENOTSUP; if (rss->channels == 0) return -EINVAL; if (reta_size != EFX_RSS_TBL_SIZE) return -EINVAL; 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] = rss->tbl[entry]; } 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 = sfc_adapter_by_eth_dev(dev); struct sfc_rss *rss = &sfc_sa2shared(sa)->rss; unsigned int *rss_tbl_new; uint16_t entry; int rc = 0; if (sfc_sa2shared(sa)->isolated) return -ENOTSUP; if (rss->context_type != EFX_RX_SCALE_EXCLUSIVE) { sfc_err(sa, "RSS is not available"); return -ENOTSUP; } if (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(rss->tbl), 0); if (rss_tbl_new == NULL) return -ENOMEM; sfc_adapter_lock(sa); rte_memcpy(rss_tbl_new, rss->tbl, sizeof(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] >= rss->channels) { rc = EINVAL; goto bad_reta_entry; } rss_tbl_new[entry] = grp->reta[grp_idx]; } } if (sa->state == SFC_ETHDEV_STARTED) { rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, rss_tbl_new, EFX_RSS_TBL_SIZE); if (rc != 0) goto fail_scale_tbl_set; } rte_memcpy(rss->tbl, rss_tbl_new, sizeof(rss->tbl)); fail_scale_tbl_set: bad_reta_entry: sfc_adapter_unlock(sa); rte_free(rss_tbl_new); SFC_ASSERT(rc >= 0); return -rc; } static int sfc_dev_flow_ops_get(struct rte_eth_dev *dev __rte_unused, const struct rte_flow_ops **ops) { *ops = &sfc_flow_ops; return 0; } static int sfc_pool_ops_supported(struct rte_eth_dev *dev, const char *pool) { const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev); /* * If Rx datapath does not provide callback to check mempool, * all pools are supported. */ if (sap->dp_rx->pool_ops_supported == NULL) return 1; return sap->dp_rx->pool_ops_supported(pool); } static int sfc_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t ethdev_qid) { const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev); struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid; struct sfc_rxq_info *rxq_info; rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid); return sap->dp_rx->intr_enable(rxq_info->dp); } static int sfc_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t ethdev_qid) { const struct sfc_adapter_priv *sap = sfc_adapter_priv_by_eth_dev(dev); struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); sfc_ethdev_qid_t sfc_ethdev_qid = ethdev_qid; struct sfc_rxq_info *rxq_info; rxq_info = sfc_rxq_info_by_ethdev_qid(sas, sfc_ethdev_qid); return sap->dp_rx->intr_disable(rxq_info->dp); } struct sfc_mport_journal_ctx { struct sfc_adapter *sa; uint16_t switch_domain_id; uint32_t mcdi_handle; bool controllers_assigned; efx_pcie_interface_t *controllers; size_t nb_controllers; }; static int sfc_journal_ctx_add_controller(struct sfc_mport_journal_ctx *ctx, efx_pcie_interface_t intf) { efx_pcie_interface_t *new_controllers; size_t i, target; size_t new_size; if (ctx->controllers == NULL) { ctx->controllers = rte_malloc("sfc_controller_mapping", sizeof(ctx->controllers[0]), 0); if (ctx->controllers == NULL) return ENOMEM; ctx->controllers[0] = intf; ctx->nb_controllers = 1; return 0; } for (i = 0; i < ctx->nb_controllers; i++) { if (ctx->controllers[i] == intf) return 0; if (ctx->controllers[i] > intf) break; } target = i; ctx->nb_controllers += 1; new_size = ctx->nb_controllers * sizeof(ctx->controllers[0]); new_controllers = rte_realloc(ctx->controllers, new_size, 0); if (new_controllers == NULL) { rte_free(ctx->controllers); return ENOMEM; } ctx->controllers = new_controllers; for (i = target + 1; i < ctx->nb_controllers; i++) ctx->controllers[i] = ctx->controllers[i - 1]; ctx->controllers[target] = intf; return 0; } static efx_rc_t sfc_process_mport_journal_entry(struct sfc_mport_journal_ctx *ctx, efx_mport_desc_t *mport) { struct sfc_mae_switch_port_request req; efx_mport_sel_t entity_selector; efx_mport_sel_t ethdev_mport; uint16_t switch_port_id; efx_rc_t efx_rc; int rc; sfc_dbg(ctx->sa, "processing mport id %u (controller %u pf %u vf %u)", mport->emd_id.id, mport->emd_vnic.ev_intf, mport->emd_vnic.ev_pf, mport->emd_vnic.ev_vf); efx_mae_mport_invalid(ðdev_mport); if (!ctx->controllers_assigned) { rc = sfc_journal_ctx_add_controller(ctx, mport->emd_vnic.ev_intf); if (rc != 0) return rc; } /* Build Mport selector */ efx_rc = efx_mae_mport_by_pcie_mh_function(mport->emd_vnic.ev_intf, mport->emd_vnic.ev_pf, mport->emd_vnic.ev_vf, &entity_selector); if (efx_rc != 0) { sfc_err(ctx->sa, "failed to build entity mport selector for c%upf%uvf%u", mport->emd_vnic.ev_intf, mport->emd_vnic.ev_pf, mport->emd_vnic.ev_vf); return efx_rc; } rc = sfc_mae_switch_port_id_by_entity(ctx->switch_domain_id, &entity_selector, SFC_MAE_SWITCH_PORT_REPRESENTOR, &switch_port_id); switch (rc) { case 0: /* Already registered */ break; case ENOENT: /* * No representor has been created for this entity. * Create a dummy switch registry entry with an invalid ethdev * mport selector. When a corresponding representor is created, * this entry will be updated. */ req.type = SFC_MAE_SWITCH_PORT_REPRESENTOR; req.entity_mportp = &entity_selector; req.ethdev_mportp = ðdev_mport; req.ethdev_port_id = RTE_MAX_ETHPORTS; req.port_data.repr.intf = mport->emd_vnic.ev_intf; req.port_data.repr.pf = mport->emd_vnic.ev_pf; req.port_data.repr.vf = mport->emd_vnic.ev_vf; rc = sfc_mae_assign_switch_port(ctx->switch_domain_id, &req, &switch_port_id); if (rc != 0) { sfc_err(ctx->sa, "failed to assign MAE switch port for c%upf%uvf%u: %s", mport->emd_vnic.ev_intf, mport->emd_vnic.ev_pf, mport->emd_vnic.ev_vf, rte_strerror(rc)); return rc; } break; default: sfc_err(ctx->sa, "failed to find MAE switch port for c%upf%uvf%u: %s", mport->emd_vnic.ev_intf, mport->emd_vnic.ev_pf, mport->emd_vnic.ev_vf, rte_strerror(rc)); return rc; } return 0; } static efx_rc_t sfc_process_mport_journal_cb(void *data, efx_mport_desc_t *mport, size_t mport_len) { struct sfc_mport_journal_ctx *ctx = data; if (ctx == NULL || ctx->sa == NULL) { sfc_err(ctx->sa, "received NULL context or SFC adapter"); return EINVAL; } if (mport_len != sizeof(*mport)) { sfc_err(ctx->sa, "actual and expected mport buffer sizes differ"); return EINVAL; } SFC_ASSERT(sfc_adapter_is_locked(ctx->sa)); /* * If a zombie flag is set, it means the mport has been marked for * deletion and cannot be used for any new operations. The mport will * be destroyed completely once all references to it are released. */ if (mport->emd_zombie) { sfc_dbg(ctx->sa, "mport is a zombie, skipping"); return 0; } if (mport->emd_type != EFX_MPORT_TYPE_VNIC) { sfc_dbg(ctx->sa, "mport is not a VNIC, skipping"); return 0; } if (mport->emd_vnic.ev_client_type != EFX_MPORT_VNIC_CLIENT_FUNCTION) { sfc_dbg(ctx->sa, "mport is not a function, skipping"); return 0; } if (mport->emd_vnic.ev_handle == ctx->mcdi_handle) { sfc_dbg(ctx->sa, "mport is this driver instance, skipping"); return 0; } return sfc_process_mport_journal_entry(ctx, mport); } static int sfc_process_mport_journal(struct sfc_adapter *sa) { struct sfc_mport_journal_ctx ctx; const efx_pcie_interface_t *controllers; size_t nb_controllers; efx_rc_t efx_rc; int rc; memset(&ctx, 0, sizeof(ctx)); ctx.sa = sa; ctx.switch_domain_id = sa->mae.switch_domain_id; efx_rc = efx_mcdi_get_own_client_handle(sa->nic, &ctx.mcdi_handle); if (efx_rc != 0) { sfc_err(sa, "failed to get own MCDI handle"); SFC_ASSERT(efx_rc > 0); return efx_rc; } rc = sfc_mae_switch_domain_controllers(ctx.switch_domain_id, &controllers, &nb_controllers); if (rc != 0) { sfc_err(sa, "failed to get controller mapping"); return rc; } ctx.controllers_assigned = controllers != NULL; ctx.controllers = NULL; ctx.nb_controllers = 0; efx_rc = efx_mae_read_mport_journal(sa->nic, sfc_process_mport_journal_cb, &ctx); if (efx_rc != 0) { sfc_err(sa, "failed to process MAE mport journal"); SFC_ASSERT(efx_rc > 0); return efx_rc; } if (controllers == NULL) { rc = sfc_mae_switch_domain_map_controllers(ctx.switch_domain_id, ctx.controllers, ctx.nb_controllers); if (rc != 0) return rc; } return 0; } static void sfc_count_representors_cb(enum sfc_mae_switch_port_type type, const efx_mport_sel_t *ethdev_mportp __rte_unused, uint16_t ethdev_port_id __rte_unused, const efx_mport_sel_t *entity_mportp __rte_unused, uint16_t switch_port_id __rte_unused, union sfc_mae_switch_port_data *port_datap __rte_unused, void *user_datap) { int *counter = user_datap; SFC_ASSERT(counter != NULL); if (type == SFC_MAE_SWITCH_PORT_REPRESENTOR) (*counter)++; } struct sfc_get_representors_ctx { struct rte_eth_representor_info *info; struct sfc_adapter *sa; uint16_t switch_domain_id; const efx_pcie_interface_t *controllers; size_t nb_controllers; }; static void sfc_get_representors_cb(enum sfc_mae_switch_port_type type, const efx_mport_sel_t *ethdev_mportp __rte_unused, uint16_t ethdev_port_id __rte_unused, const efx_mport_sel_t *entity_mportp __rte_unused, uint16_t switch_port_id, union sfc_mae_switch_port_data *port_datap, void *user_datap) { struct sfc_get_representors_ctx *ctx = user_datap; struct rte_eth_representor_range *range; int ret; int rc; SFC_ASSERT(ctx != NULL); SFC_ASSERT(ctx->info != NULL); SFC_ASSERT(ctx->sa != NULL); if (type != SFC_MAE_SWITCH_PORT_REPRESENTOR) { sfc_dbg(ctx->sa, "not a representor, skipping"); return; } if (ctx->info->nb_ranges >= ctx->info->nb_ranges_alloc) { sfc_dbg(ctx->sa, "info structure is full already"); return; } range = &ctx->info->ranges[ctx->info->nb_ranges]; rc = sfc_mae_switch_controller_from_mapping(ctx->controllers, ctx->nb_controllers, port_datap->repr.intf, &range->controller); if (rc != 0) { sfc_err(ctx->sa, "invalid representor controller: %d", port_datap->repr.intf); range->controller = -1; } range->pf = port_datap->repr.pf; range->id_base = switch_port_id; range->id_end = switch_port_id; if (port_datap->repr.vf != EFX_PCI_VF_INVALID) { range->type = RTE_ETH_REPRESENTOR_VF; range->vf = port_datap->repr.vf; ret = snprintf(range->name, RTE_DEV_NAME_MAX_LEN, "c%dpf%dvf%d", range->controller, range->pf, range->vf); } else { range->type = RTE_ETH_REPRESENTOR_PF; ret = snprintf(range->name, RTE_DEV_NAME_MAX_LEN, "c%dpf%d", range->controller, range->pf); } if (ret >= RTE_DEV_NAME_MAX_LEN) { sfc_err(ctx->sa, "representor name has been truncated: %s", range->name); } ctx->info->nb_ranges++; } static int sfc_representor_info_get(struct rte_eth_dev *dev, struct rte_eth_representor_info *info) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_get_representors_ctx get_repr_ctx; const efx_nic_cfg_t *nic_cfg; uint16_t switch_domain_id; uint32_t nb_repr; int controller; int rc; sfc_adapter_lock(sa); if (sa->mae.status != SFC_MAE_STATUS_SUPPORTED) { sfc_adapter_unlock(sa); return -ENOTSUP; } rc = sfc_process_mport_journal(sa); if (rc != 0) { sfc_adapter_unlock(sa); SFC_ASSERT(rc > 0); return -rc; } switch_domain_id = sa->mae.switch_domain_id; nb_repr = 0; rc = sfc_mae_switch_ports_iterate(switch_domain_id, sfc_count_representors_cb, &nb_repr); if (rc != 0) { sfc_adapter_unlock(sa); SFC_ASSERT(rc > 0); return -rc; } if (info == NULL) { sfc_adapter_unlock(sa); return nb_repr; } rc = sfc_mae_switch_domain_controllers(switch_domain_id, &get_repr_ctx.controllers, &get_repr_ctx.nb_controllers); if (rc != 0) { sfc_adapter_unlock(sa); SFC_ASSERT(rc > 0); return -rc; } nic_cfg = efx_nic_cfg_get(sa->nic); rc = sfc_mae_switch_domain_get_controller(switch_domain_id, nic_cfg->enc_intf, &controller); if (rc != 0) { sfc_err(sa, "invalid controller: %d", nic_cfg->enc_intf); controller = -1; } info->controller = controller; info->pf = nic_cfg->enc_pf; get_repr_ctx.info = info; get_repr_ctx.sa = sa; get_repr_ctx.switch_domain_id = switch_domain_id; rc = sfc_mae_switch_ports_iterate(switch_domain_id, sfc_get_representors_cb, &get_repr_ctx); if (rc != 0) { sfc_adapter_unlock(sa); SFC_ASSERT(rc > 0); return -rc; } sfc_adapter_unlock(sa); return nb_repr; } 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_intr_enable = sfc_rx_queue_intr_enable, .rx_queue_intr_disable = sfc_rx_queue_intr_disable, .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, .udp_tunnel_port_add = sfc_dev_udp_tunnel_port_add, .udp_tunnel_port_del = sfc_dev_udp_tunnel_port_del, .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, .flow_ops_get = sfc_dev_flow_ops_get, .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, .xstats_get_by_id = sfc_xstats_get_by_id, .xstats_get_names_by_id = sfc_xstats_get_names_by_id, .pool_ops_supported = sfc_pool_ops_supported, .representor_info_get = sfc_representor_info_get, }; struct sfc_ethdev_init_data { uint16_t nb_representors; }; /** * Duplicate a string in potentially shared memory required for * multi-process support. * * strdup() allocates from process-local heap/memory. */ static char * sfc_strdup(const char *str) { size_t size; char *copy; if (str == NULL) return NULL; size = strlen(str) + 1; copy = rte_malloc(__func__, size, 0); if (copy != NULL) rte_memcpy(copy, str, size); return copy; } static int sfc_eth_dev_set_ops(struct rte_eth_dev *dev) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); const struct sfc_dp_rx *dp_rx; const struct sfc_dp_tx *dp_tx; const efx_nic_cfg_t *encp; 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: case EFX_FAMILY_MEDFORD2: avail_caps |= SFC_DP_HW_FW_CAP_EF10; avail_caps |= SFC_DP_HW_FW_CAP_RX_EFX; avail_caps |= SFC_DP_HW_FW_CAP_TX_EFX; break; case EFX_FAMILY_RIVERHEAD: avail_caps |= SFC_DP_HW_FW_CAP_EF100; break; default: break; } encp = efx_nic_cfg_get(sa->nic); if (encp->enc_rx_es_super_buffer_supported) avail_caps |= SFC_DP_HW_FW_CAP_RX_ES_SUPER_BUFFER; 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) { dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name); if (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(&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_caps; } } else { dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps); if (dp_rx == NULL) { sfc_err(sa, "Rx datapath by caps %#x not found", avail_caps); rc = ENOENT; goto fail_dp_rx; } } sas->dp_rx_name = sfc_strdup(dp_rx->dp.name); if (sas->dp_rx_name == NULL) { rc = ENOMEM; goto fail_dp_rx_name; } sfc_notice(sa, "use %s Rx datapath", sas->dp_rx_name); 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) { dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name); if (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(&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_caps; } } else { dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps); if (dp_tx == NULL) { sfc_err(sa, "Tx datapath by caps %#x not found", avail_caps); rc = ENOENT; goto fail_dp_tx; } } sas->dp_tx_name = sfc_strdup(dp_tx->dp.name); if (sas->dp_tx_name == NULL) { rc = ENOMEM; goto fail_dp_tx_name; } sfc_notice(sa, "use %s Tx datapath", sas->dp_tx_name); sa->priv.dp_rx = dp_rx; sa->priv.dp_tx = dp_tx; dev->rx_pkt_burst = dp_rx->pkt_burst; dev->tx_pkt_prepare = dp_tx->pkt_prepare; dev->tx_pkt_burst = dp_tx->pkt_burst; dev->rx_queue_count = sfc_rx_queue_count; dev->rx_descriptor_status = sfc_rx_descriptor_status; dev->tx_descriptor_status = sfc_tx_descriptor_status; dev->dev_ops = &sfc_eth_dev_ops; return 0; fail_dp_tx_name: fail_dp_tx_caps: fail_dp_tx: fail_kvarg_tx_datapath: rte_free(sas->dp_rx_name); sas->dp_rx_name = NULL; fail_dp_rx_name: fail_dp_rx_caps: fail_dp_rx: fail_kvarg_rx_datapath: return rc; } static void sfc_eth_dev_clear_ops(struct rte_eth_dev *dev) { struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); dev->dev_ops = NULL; dev->tx_pkt_prepare = NULL; dev->rx_pkt_burst = NULL; dev->tx_pkt_burst = NULL; rte_free(sas->dp_tx_name); sas->dp_tx_name = NULL; sa->priv.dp_tx = NULL; rte_free(sas->dp_rx_name); sas->dp_rx_name = NULL; sa->priv.dp_rx = NULL; } static const struct eth_dev_ops sfc_eth_dev_secondary_ops = { .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get, .reta_query = sfc_dev_rss_reta_query, .rss_hash_conf_get = sfc_dev_rss_hash_conf_get, .rxq_info_get = sfc_rx_queue_info_get, .txq_info_get = sfc_tx_queue_info_get, }; static int sfc_eth_dev_secondary_init(struct rte_eth_dev *dev, uint32_t logtype_main) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct sfc_adapter_priv *sap; const struct sfc_dp_rx *dp_rx; const struct sfc_dp_tx *dp_tx; int rc; /* * Allocate process private data from heap, since it should not * be located in shared memory allocated using rte_malloc() API. */ sap = calloc(1, sizeof(*sap)); if (sap == NULL) { rc = ENOMEM; goto fail_alloc_priv; } sap->logtype_main = logtype_main; dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sas->dp_rx_name); if (dp_rx == NULL) { SFC_LOG(sas, RTE_LOG_ERR, logtype_main, "cannot find %s Rx datapath", sas->dp_rx_name); rc = ENOENT; goto fail_dp_rx; } if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) { SFC_LOG(sas, RTE_LOG_ERR, logtype_main, "%s Rx datapath does not support multi-process", sas->dp_rx_name); rc = EINVAL; goto fail_dp_rx_multi_process; } dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sas->dp_tx_name); if (dp_tx == NULL) { SFC_LOG(sas, RTE_LOG_ERR, logtype_main, "cannot find %s Tx datapath", sas->dp_tx_name); rc = ENOENT; goto fail_dp_tx; } if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) { SFC_LOG(sas, RTE_LOG_ERR, logtype_main, "%s Tx datapath does not support multi-process", sas->dp_tx_name); rc = EINVAL; goto fail_dp_tx_multi_process; } sap->dp_rx = dp_rx; sap->dp_tx = dp_tx; dev->process_private = sap; dev->rx_pkt_burst = dp_rx->pkt_burst; dev->tx_pkt_prepare = dp_tx->pkt_prepare; dev->tx_pkt_burst = dp_tx->pkt_burst; dev->rx_queue_count = sfc_rx_queue_count; dev->rx_descriptor_status = sfc_rx_descriptor_status; dev->tx_descriptor_status = sfc_tx_descriptor_status; dev->dev_ops = &sfc_eth_dev_secondary_ops; return 0; fail_dp_tx_multi_process: fail_dp_tx: fail_dp_rx_multi_process: fail_dp_rx: free(sap); fail_alloc_priv: 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_ef100_rx.dp); sfc_dp_register(&sfc_dp_head, &sfc_ef10_essb_rx.dp); 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_ef100_tx.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_parse_switch_mode(struct sfc_adapter *sa, bool has_representors) { const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); const char *switch_mode = NULL; int rc; sfc_log_init(sa, "entry"); rc = sfc_kvargs_process(sa, SFC_KVARG_SWITCH_MODE, sfc_kvarg_string_handler, &switch_mode); if (rc != 0) goto fail_kvargs; if (switch_mode == NULL) { sa->switchdev = encp->enc_mae_supported && (!encp->enc_datapath_cap_evb || has_representors); } else if (strcasecmp(switch_mode, SFC_KVARG_SWITCH_MODE_LEGACY) == 0) { sa->switchdev = false; } else if (strcasecmp(switch_mode, SFC_KVARG_SWITCH_MODE_SWITCHDEV) == 0) { sa->switchdev = true; } else { sfc_err(sa, "invalid switch mode device argument '%s'", switch_mode); rc = EINVAL; goto fail_mode; } sfc_log_init(sa, "done"); return 0; fail_mode: fail_kvargs: sfc_log_init(sa, "failed: %s", rte_strerror(rc)); return rc; } static int sfc_eth_dev_init(struct rte_eth_dev *dev, void *init_params) { struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); struct sfc_ethdev_init_data *init_data = init_params; uint32_t logtype_main; struct sfc_adapter *sa; int rc; const efx_nic_cfg_t *encp; const struct rte_ether_addr *from; int ret; if (sfc_efx_dev_class_get(pci_dev->device.devargs) != SFC_EFX_DEV_CLASS_NET) { SFC_GENERIC_LOG(DEBUG, "Incompatible device class: skip probing, should be probed by other sfc driver."); return 1; } rc = sfc_dp_mport_register(); if (rc != 0) return rc; sfc_register_dp(); logtype_main = sfc_register_logtype(&pci_dev->addr, SFC_LOGTYPE_MAIN_STR, RTE_LOG_NOTICE); if (rte_eal_process_type() != RTE_PROC_PRIMARY) return -sfc_eth_dev_secondary_init(dev, logtype_main); /* Required for logging */ ret = snprintf(sas->log_prefix, sizeof(sas->log_prefix), "PMD: sfc_efx " PCI_PRI_FMT " #%" PRIu16 ": ", pci_dev->addr.domain, pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function, dev->data->port_id); if (ret < 0 || ret >= (int)sizeof(sas->log_prefix)) { SFC_GENERIC_LOG(ERR, "reserved log prefix is too short for " PCI_PRI_FMT, pci_dev->addr.domain, pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function); return -EINVAL; } sas->pci_addr = pci_dev->addr; sas->port_id = dev->data->port_id; /* * Allocate process private data from heap, since it should not * be located in shared memory allocated using rte_malloc() API. */ sa = calloc(1, sizeof(*sa)); if (sa == NULL) { rc = ENOMEM; goto fail_alloc_sa; } dev->process_private = sa; /* Required for logging */ sa->priv.shared = sas; sa->priv.logtype_main = logtype_main; sa->eth_dev = dev; /* Copy PCI device info to the dev->data */ rte_eth_copy_pci_info(dev, pci_dev); dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; dev->data->dev_flags |= RTE_ETH_DEV_FLOW_OPS_THREAD_SAFE; rc = sfc_kvargs_parse(sa); if (rc != 0) goto fail_kvargs_parse; sfc_log_init(sa, "entry"); dev->data->mac_addrs = rte_zmalloc("sfc", RTE_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; /* * Selecting a default switch mode requires the NIC to be probed and * to have its capabilities filled in. */ rc = sfc_parse_switch_mode(sa, init_data->nb_representors > 0); if (rc != 0) goto fail_switch_mode; 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; if (sa->switchdev && sa->mae.status != SFC_MAE_STATUS_SUPPORTED) { sfc_err(sa, "failed to enable switchdev mode without MAE support"); rc = ENOTSUP; goto fail_switchdev_no_mae; } 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 rte_ether_addr *)(encp->enc_mac_addr); rte_ether_addr_copy(from, &dev->data->mac_addrs[0]); sfc_adapter_unlock(sa); sfc_log_init(sa, "done"); return 0; fail_switchdev_no_mae: sfc_detach(sa); fail_attach: sfc_eth_dev_clear_ops(dev); fail_set_ops: fail_switch_mode: 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: sfc_kvargs_cleanup(sa); fail_kvargs_parse: sfc_log_init(sa, "failed %d", rc); dev->process_private = NULL; free(sa); fail_alloc_sa: SFC_ASSERT(rc > 0); return -rc; } static int sfc_eth_dev_uninit(struct rte_eth_dev *dev) { sfc_dev_close(dev); 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) }, { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2) }, { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD2_VF) }, { RTE_PCI_DEVICE(EFX_PCI_VENID_XILINX, EFX_PCI_DEVID_RIVERHEAD) }, { .vendor_id = 0 /* sentinel */ } }; static int sfc_parse_rte_devargs(const char *args, struct rte_eth_devargs *devargs) { struct rte_eth_devargs eth_da = { .nb_representor_ports = 0 }; int rc; if (args != NULL) { rc = rte_eth_devargs_parse(args, ð_da); if (rc != 0) { SFC_GENERIC_LOG(ERR, "Failed to parse generic devargs '%s'", args); return rc; } } *devargs = eth_da; return 0; } static int sfc_eth_dev_find_or_create(struct rte_pci_device *pci_dev, struct sfc_ethdev_init_data *init_data, struct rte_eth_dev **devp, bool *dev_created) { struct rte_eth_dev *dev; bool created = false; int rc; dev = rte_eth_dev_allocated(pci_dev->device.name); if (dev == NULL) { rc = rte_eth_dev_create(&pci_dev->device, pci_dev->device.name, sizeof(struct sfc_adapter_shared), eth_dev_pci_specific_init, pci_dev, sfc_eth_dev_init, init_data); if (rc != 0) { SFC_GENERIC_LOG(ERR, "Failed to create sfc ethdev '%s'", pci_dev->device.name); return rc; } created = true; dev = rte_eth_dev_allocated(pci_dev->device.name); if (dev == NULL) { SFC_GENERIC_LOG(ERR, "Failed to find allocated sfc ethdev '%s'", pci_dev->device.name); return -ENODEV; } } *devp = dev; *dev_created = created; return 0; } static int sfc_eth_dev_create_repr(struct sfc_adapter *sa, efx_pcie_interface_t controller, uint16_t port, uint16_t repr_port, enum rte_eth_representor_type type) { struct sfc_repr_entity_info entity; efx_mport_sel_t mport_sel; int rc; switch (type) { case RTE_ETH_REPRESENTOR_NONE: return 0; case RTE_ETH_REPRESENTOR_VF: case RTE_ETH_REPRESENTOR_PF: break; case RTE_ETH_REPRESENTOR_SF: sfc_err(sa, "SF representors are not supported"); return ENOTSUP; default: sfc_err(sa, "unknown representor type: %d", type); return ENOTSUP; } rc = efx_mae_mport_by_pcie_mh_function(controller, port, repr_port, &mport_sel); if (rc != 0) { sfc_err(sa, "failed to get m-port selector for controller %u port %u repr_port %u: %s", controller, port, repr_port, rte_strerror(-rc)); return rc; } memset(&entity, 0, sizeof(entity)); entity.type = type; entity.intf = controller; entity.pf = port; entity.vf = repr_port; rc = sfc_repr_create(sa->eth_dev, &entity, sa->mae.switch_domain_id, &mport_sel); if (rc != 0) { sfc_err(sa, "failed to create representor for controller %u port %u repr_port %u: %s", controller, port, repr_port, rte_strerror(-rc)); return rc; } return 0; } static int sfc_eth_dev_create_repr_port(struct sfc_adapter *sa, const struct rte_eth_devargs *eth_da, efx_pcie_interface_t controller, uint16_t port) { int first_error = 0; uint16_t i; int rc; if (eth_da->type == RTE_ETH_REPRESENTOR_PF) { return sfc_eth_dev_create_repr(sa, controller, port, EFX_PCI_VF_INVALID, eth_da->type); } for (i = 0; i < eth_da->nb_representor_ports; i++) { rc = sfc_eth_dev_create_repr(sa, controller, port, eth_da->representor_ports[i], eth_da->type); if (rc != 0 && first_error == 0) first_error = rc; } return first_error; } static int sfc_eth_dev_create_repr_controller(struct sfc_adapter *sa, const struct rte_eth_devargs *eth_da, efx_pcie_interface_t controller) { const efx_nic_cfg_t *encp; int first_error = 0; uint16_t default_port; uint16_t i; int rc; if (eth_da->nb_ports == 0) { encp = efx_nic_cfg_get(sa->nic); default_port = encp->enc_intf == controller ? encp->enc_pf : 0; return sfc_eth_dev_create_repr_port(sa, eth_da, controller, default_port); } for (i = 0; i < eth_da->nb_ports; i++) { rc = sfc_eth_dev_create_repr_port(sa, eth_da, controller, eth_da->ports[i]); if (rc != 0 && first_error == 0) first_error = rc; } return first_error; } static int sfc_eth_dev_create_representors(struct rte_eth_dev *dev, const struct rte_eth_devargs *eth_da) { efx_pcie_interface_t intf; const efx_nic_cfg_t *encp; struct sfc_adapter *sa; uint16_t switch_domain_id; uint16_t i; int rc; sa = sfc_adapter_by_eth_dev(dev); switch_domain_id = sa->mae.switch_domain_id; switch (eth_da->type) { case RTE_ETH_REPRESENTOR_NONE: return 0; case RTE_ETH_REPRESENTOR_PF: case RTE_ETH_REPRESENTOR_VF: break; case RTE_ETH_REPRESENTOR_SF: sfc_err(sa, "SF representors are not supported"); return -ENOTSUP; default: sfc_err(sa, "unknown representor type: %d", eth_da->type); return -ENOTSUP; } if (!sa->switchdev) { sfc_err(sa, "cannot create representors in non-switchdev mode"); return -EINVAL; } if (!sfc_repr_available(sfc_sa2shared(sa))) { sfc_err(sa, "cannot create representors: unsupported"); return -ENOTSUP; } /* * This is needed to construct the DPDK controller -> EFX interface * mapping. */ sfc_adapter_lock(sa); rc = sfc_process_mport_journal(sa); sfc_adapter_unlock(sa); if (rc != 0) { SFC_ASSERT(rc > 0); return -rc; } if (eth_da->nb_mh_controllers > 0) { for (i = 0; i < eth_da->nb_mh_controllers; i++) { rc = sfc_mae_switch_domain_get_intf(switch_domain_id, eth_da->mh_controllers[i], &intf); if (rc != 0) { sfc_err(sa, "failed to get representor"); continue; } sfc_eth_dev_create_repr_controller(sa, eth_da, intf); } } else { encp = efx_nic_cfg_get(sa->nic); sfc_eth_dev_create_repr_controller(sa, eth_da, encp->enc_intf); } return 0; } static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, struct rte_pci_device *pci_dev) { struct sfc_ethdev_init_data init_data; struct rte_eth_devargs eth_da; struct rte_eth_dev *dev; bool dev_created; int rc; if (pci_dev->device.devargs != NULL) { rc = sfc_parse_rte_devargs(pci_dev->device.devargs->args, ð_da); if (rc != 0) return rc; } else { memset(ð_da, 0, sizeof(eth_da)); } /* If no VF representors specified, check for PF ones */ if (eth_da.nb_representor_ports > 0) init_data.nb_representors = eth_da.nb_representor_ports; else init_data.nb_representors = eth_da.nb_ports; if (init_data.nb_representors > 0 && rte_eal_process_type() != RTE_PROC_PRIMARY) { SFC_GENERIC_LOG(ERR, "Create representors from secondary process not supported, dev '%s'", pci_dev->device.name); return -ENOTSUP; } /* * Driver supports RTE_PCI_DRV_PROBE_AGAIN. Hence create device only * if it does not already exist. Re-probing an existing device is * expected to allow additional representors to be configured. */ rc = sfc_eth_dev_find_or_create(pci_dev, &init_data, &dev, &dev_created); if (rc != 0) return rc; rc = sfc_eth_dev_create_representors(dev, ð_da); if (rc != 0) { if (dev_created) (void)rte_eth_dev_destroy(dev, sfc_eth_dev_uninit); return rc; } return 0; } 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 | RTE_PCI_DRV_PROBE_AGAIN, .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-pci"); RTE_PMD_REGISTER_PARAM_STRING(net_sfc_efx, SFC_KVARG_SWITCH_MODE "=" SFC_KVARG_VALUES_SWITCH_MODE " " 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_FW_VARIANT "=" SFC_KVARG_VALUES_FW_VARIANT " " SFC_KVARG_RXD_WAIT_TIMEOUT_NS "= " SFC_KVARG_STATS_UPDATE_PERIOD_MS "="); RTE_INIT(sfc_driver_register_logtype) { int ret; ret = rte_log_register_type_and_pick_level(SFC_LOGTYPE_PREFIX "driver", RTE_LOG_NOTICE); sfc_logtype_driver = (ret < 0) ? RTE_LOGTYPE_PMD : ret; }