X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_ethdev.c;h=7620080e64d83834ab2559723d6eefcfb33e05a6;hb=6d13ea8e8e49ab957deae2bba5ecf4a4bfe747d1;hp=aa02f73668c568f490e1a26c403de286aeccad0c;hpb=f3de38404400689a1ffb32b75e7c0acf5152c7ee;p=dpdk.git diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c index aa02f73668..fadcdb56a4 100644 --- a/drivers/net/sfc/sfc_ethdev.c +++ b/drivers/net/sfc/sfc_ethdev.c @@ -1,35 +1,20 @@ -/*- - * Copyright (c) 2016 Solarflare Communications Inc. +/* SPDX-License-Identifier: BSD-3-Clause + * + * Copyright (c) 2016-2018 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 -#include +#include +#include #include +#include +#include +#include +#include #include "efx.h" @@ -40,26 +25,93 @@ #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" + +uint32_t sfc_logtype_driver; + +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 = sfc_adapter_by_eth_dev(dev); + 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 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; + uint64_t txq_offloads_def = 0; sfc_log_init(sa, "entry"); - dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device); + dev_info->min_mtu = ETHER_MIN_MTU; + dev_info->max_mtu = EFX_MAC_SDU_MAX; + 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) + 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 & EFX_PHY_CAP_10000FDX) + 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 & EFX_PHY_CAP_40000FDX) + 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; @@ -67,35 +119,82 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) /* By default packets are dropped if no descriptors are available */ dev_info->default_rxconf.rx_drop_en = 1; - dev_info->tx_offload_capa = - DEV_TX_OFFLOAD_IPV4_CKSUM | - DEV_TX_OFFLOAD_UDP_CKSUM | - DEV_TX_OFFLOAD_TCP_CKSUM; + 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); - dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOVLANOFFL | - ETH_TXQ_FLAGS_NOXSUMSCTP; + /* + * 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; + } - dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS; - dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS; + /* 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 = EFX_RXQ_MINNDESCS; + 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 = EFX_TXQ_MINNDESCS; + 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 = EFX_TXQ_MINNDESCS; + 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; +} + +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 = dev_data->dev_private; + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); int rc; sfc_log_init(sa, "entry n_rxq=%u n_txq=%u", @@ -104,8 +203,6 @@ sfc_dev_configure(struct rte_eth_dev *dev) sfc_adapter_lock(sa); switch (sa->state) { case SFC_ADAPTER_CONFIGURED: - sfc_close(sa); - SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED); /* FALLTHROUGH */ case SFC_ADAPTER_INITIALIZED: rc = sfc_configure(sa); @@ -126,7 +223,7 @@ sfc_dev_configure(struct rte_eth_dev *dev) static int sfc_dev_start(struct rte_eth_dev *dev) { - struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); int rc; sfc_log_init(sa, "entry"); @@ -143,47 +240,38 @@ sfc_dev_start(struct rte_eth_dev *dev) 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 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_ADAPTER_STARTED) - return 0; - -retry: - EFX_STATIC_ASSERT(sizeof(*dev_link) == sizeof(rte_atomic64_t)); - *(int64_t *)&old_link = rte_atomic64_read((rte_atomic64_t *)dev_link); - - if (wait_to_complete) { + if (sa->state != SFC_ADAPTER_STARTED) { + sfc_port_link_mode_to_info(EFX_LINK_UNKNOWN, ¤t_link); + } else if (wait_to_complete) { efx_link_mode_t link_mode; - efx_port_poll(sa->nic, &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); + rte_eth_linkstatus_get(dev, ¤t_link); } - if (old_link.link_status != current_link.link_status) - sfc_info(sa, "Link status is %s", - current_link.link_status ? "UP" : "DOWN"); + 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 old_link.link_status == current_link.link_status ? 0 : -1; + return ret; } static void sfc_dev_stop(struct rte_eth_dev *dev) { - struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); sfc_log_init(sa, "entry"); @@ -197,7 +285,7 @@ sfc_dev_stop(struct rte_eth_dev *dev) static int sfc_dev_set_link_up(struct rte_eth_dev *dev) { - struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); int rc; sfc_log_init(sa, "entry"); @@ -213,7 +301,7 @@ sfc_dev_set_link_up(struct rte_eth_dev *dev) static int sfc_dev_set_link_down(struct rte_eth_dev *dev) { - struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); sfc_log_init(sa, "entry"); @@ -227,7 +315,7 @@ sfc_dev_set_link_down(struct rte_eth_dev *dev) static void sfc_dev_close(struct rte_eth_dev *dev) { - struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); sfc_log_init(sa, "entry"); @@ -258,7 +346,7 @@ sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode, { struct sfc_port *port; boolean_t *toggle; - struct sfc_adapter *sa = dev->data->dev_private; + 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"; @@ -270,8 +358,13 @@ sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode, if (*toggle != enabled) { *toggle = enabled; - if ((sa->state == SFC_ADAPTER_STARTED) && - (sfc_set_rx_mode(sa) != 0)) { + 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_ADAPTER_STARTED) && + (sfc_set_rx_mode(sa) != 0)) { *toggle = !(enabled); sfc_warn(sa, "Failed to %s %s mode", ((enabled) ? "enable" : "disable"), desc); @@ -311,7 +404,8 @@ sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mb_pool) { - struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); int rc; sfc_log_init(sa, "RxQ=%u nb_rx_desc=%u socket_id=%u", @@ -324,7 +418,7 @@ sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, if (rc != 0) goto fail_rx_qinit; - dev->data->rx_queues[rx_queue_id] = sa->rxq_info[rx_queue_id].rxq; + dev->data->rx_queues[rx_queue_id] = sas->rxq_info[rx_queue_id].dp; sfc_adapter_unlock(sa); @@ -339,22 +433,22 @@ fail_rx_qinit: static void sfc_rx_queue_release(void *queue) { - struct sfc_rxq *rxq = queue; + struct sfc_dp_rxq *dp_rxq = queue; + struct sfc_rxq *rxq; struct sfc_adapter *sa; unsigned int sw_index; - if (rxq == NULL) + 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); + sw_index = dp_rxq->dpq.queue_id; 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); @@ -365,7 +459,8 @@ 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; + struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); int rc; sfc_log_init(sa, "TxQ = %u, nb_tx_desc = %u, socket_id = %u", @@ -377,7 +472,7 @@ sfc_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id, if (rc != 0) goto fail_tx_qinit; - dev->data->tx_queues[tx_queue_id] = sa->txq_info[tx_queue_id].txq; + dev->data->tx_queues[tx_queue_id] = sas->txq_info[tx_queue_id].dp; sfc_adapter_unlock(sa); return 0; @@ -391,14 +486,16 @@ fail_tx_qinit: static void sfc_tx_queue_release(void *queue) { - struct sfc_txq *txq = queue; + struct sfc_dp_txq *dp_txq = queue; + struct sfc_txq *txq; unsigned int sw_index; struct sfc_adapter *sa; - if (txq == NULL) + if (dp_txq == NULL) return; - sw_index = sfc_txq_sw_index(txq); + txq = sfc_txq_by_dp_txq(dp_txq); + sw_index = dp_txq->dpq.queue_id; SFC_ASSERT(txq->evq != NULL); sa = txq->evq->sa; @@ -407,24 +504,46 @@ sfc_tx_queue_release(void *queue) 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); } +/* + * 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) { - struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_port *port = &sa->port; uint64_t *mac_stats; + int ret; rte_spinlock_lock(&port->mac_stats_lock); - if (sfc_port_update_mac_stats(sa) != 0) + ret = sfc_port_update_mac_stats(sa); + if (ret != 0) goto unlock; mac_stats = port->mac_stats_buf; @@ -447,11 +566,9 @@ sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 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->imissed = 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]; @@ -477,17 +594,47 @@ sfc_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) mac_stats[EFX_MAC_RX_ALIGN_ERRORS] + mac_stats[EFX_MAC_RX_JABBER_PKTS]; /* no oerrors counters supported on EF10 */ + + /* 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; } unlock: rte_spinlock_unlock(&port->mac_stats_lock); + SFC_ASSERT(ret >= 0); + return -ret; +} + +static void +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; + + 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_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_port *port = &sa->port; uint64_t *mac_stats; int rc; @@ -526,7 +673,7 @@ 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_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_port *port = &sa->port; unsigned int i; unsigned int nstats = 0; @@ -534,7 +681,7 @@ sfc_xstats_get_names(struct rte_eth_dev *dev, 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, + strlcpy(xstats_names[nstats].name, efx_mac_stat_name(sa->nic, i), sizeof(xstats_names[0].name)); nstats++; @@ -544,10 +691,88 @@ sfc_xstats_get_names(struct rte_eth_dev *dev, 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; + uint64_t *mac_stats; + unsigned int nb_supported = 0; + unsigned int nb_written = 0; + unsigned int i; + int ret; + int rc; + + if (unlikely(values == NULL) || + unlikely((ids == NULL) && (n < port->mac_stats_nb_supported))) + return port->mac_stats_nb_supported; + + rte_spinlock_lock(&port->mac_stats_lock); + + rc = sfc_port_update_mac_stats(sa); + if (rc != 0) { + SFC_ASSERT(rc > 0); + ret = -rc; + goto unlock; + } + + mac_stats = port->mac_stats_buf; + + for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < n); ++i) { + if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) + continue; + + if ((ids == NULL) || (ids[nb_written] == nb_supported)) + values[nb_written++] = mac_stats[i]; + + ++nb_supported; + } + + ret = nb_written; + +unlock: + rte_spinlock_unlock(&port->mac_stats_lock); + + return ret; +} + +static int +sfc_xstats_get_names_by_id(struct rte_eth_dev *dev, + struct rte_eth_xstat_name *xstats_names, + const uint64_t *ids, unsigned int size) +{ + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); + struct sfc_port *port = &sa->port; + unsigned int nb_supported = 0; + unsigned int nb_written = 0; + unsigned int i; + + if (unlikely(xstats_names == NULL) || + unlikely((ids == NULL) && (size < port->mac_stats_nb_supported))) + return port->mac_stats_nb_supported; + + for (i = 0; (i < EFX_MAC_NSTATS) && (nb_written < size); ++i) { + if (!EFX_MAC_STAT_SUPPORTED(port->mac_stats_mask, i)) + continue; + + if ((ids == NULL) || (ids[nb_written] == nb_supported)) { + char *name = xstats_names[nb_written++].name; + + strlcpy(name, efx_mac_stat_name(sa->nic, i), + sizeof(xstats_names[0].name)); + } + + ++nb_supported; + } + + return nb_written; +} + 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; + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); unsigned int wanted_fc, link_fc; memset(fc_conf, 0, sizeof(*fc_conf)); @@ -587,7 +812,7 @@ sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) 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_adapter *sa = sfc_adapter_by_eth_dev(dev); struct sfc_port *port = &sa->port; unsigned int fcntl; int rc; @@ -640,10 +865,38 @@ fail_inval: 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, &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 = dev->data->dev_private; + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); size_t pdu = EFX_MAC_PDU(mtu); size_t old_pdu; int rc; @@ -666,6 +919,10 @@ sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) 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_ADAPTER_STARTED) { sfc_stop(sa); @@ -681,10 +938,14 @@ sfc_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) } /* - * The driver does not use it, but other PMDs update jumbo_frame + * 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); + if (mtu > ETHER_MAX_LEN) { + 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); @@ -698,6 +959,8 @@ fail_start: 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: @@ -705,160 +968,1281 @@ fail_inval: 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, - .xstats_get = sfc_xstats_get, - .xstats_get_names = sfc_xstats_get_names, - .dev_infos_get = sfc_dev_infos_get, - .mtu_set = sfc_dev_set_mtu, - .rx_queue_setup = sfc_rx_queue_setup, - .rx_queue_release = sfc_rx_queue_release, - .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, -}; - static int -sfc_eth_dev_init(struct rte_eth_dev *dev) +sfc_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr) { - 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; - - /* 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; + 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; - 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_adapter_lock(sa); - sfc_log_init(sa, "entry"); + /* + * Copy the address to the device private data so that + * it could be recalled in the case of adapter restart. + */ + ether_addr_copy(mac_addr, &port->default_mac_addr); - dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0); - if (dev->data->mac_addrs == NULL) { - rc = ENOMEM; - goto fail_mac_addrs; + /* + * 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; } - sfc_adapter_lock_init(sa); - sfc_adapter_lock(sa); - - sfc_log_init(sa, "attaching"); - rc = sfc_attach(sa); - if (rc != 0) - goto fail_attach; + if (sa->state != SFC_ADAPTER_STARTED) { + sfc_notice(sa, "the port is not started"); + sfc_notice(sa, "the new MAC address will be set on port start"); - encp = efx_nic_cfg_get(sa->nic); + goto unlock; + } - /* - * 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]); + 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; + } - dev->dev_ops = &sfc_eth_dev_ops; - dev->rx_pkt_burst = &sfc_recv_pkts; - dev->tx_pkt_burst = &sfc_xmit_pkts; + /* + * 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); + /* Rollback the old address */ + (void)efx_mac_addr_set(sa->nic, old_addr->addr_bytes); + (void)sfc_set_rx_mode(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)"); - sfc_adapter_unlock(sa); + /* + * 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); + } - sfc_log_init(sa, "done"); - return 0; +unlock: + if (rc != 0) + ether_addr_copy(old_addr, &port->default_mac_addr); -fail_attach: 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); + SFC_ASSERT(rc >= 0); return -rc; } + static int -sfc_eth_dev_uninit(struct rte_eth_dev *dev) +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 = dev->data->dev_private; - - sfc_log_init(sa, "entry"); + 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; - sfc_adapter_lock(sa); + 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; + } - sfc_detach(sa); + if (mc_addrs == NULL) + return -ENOBUFS; - rte_free(dev->data->mac_addrs); - dev->data->mac_addrs = NULL; + 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; + } - dev->dev_ops = NULL; - dev->rx_pkt_burst = NULL; - dev->tx_pkt_burst = NULL; + 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; + } - sfc_kvargs_cleanup(sa); + port->nb_mcast_addrs = nb_mc_addr; - sfc_adapter_unlock(sa); - sfc_adapter_lock_fini(sa); + if (sa->state != SFC_ADAPTER_STARTED) + return 0; - sfc_log_init(sa, "done"); + 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); - /* Required for logging, so cleanup last */ - sa->eth_dev = NULL; - return 0; + SFC_ASSERT(rc >= 0); + return -rc; } -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_GREENPORT) }, - { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) }, - { .vendor_id = 0 /* sentinel */ } -}; +/* + * 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 rx_queue_id, + struct rte_eth_rxq_info *qinfo) +{ + struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); + struct sfc_rxq_info *rxq_info; + + SFC_ASSERT(rx_queue_id < sas->rxq_count); + + rxq_info = &sas->rxq_info[rx_queue_id]; + + 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 tx_queue_id, + 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(tx_queue_id < sas->txq_count); + + txq_info = &sas->txq_info[tx_queue_id]; + + 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 rx_queue_id) +{ + 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_rxq_info *rxq_info; + + SFC_ASSERT(rx_queue_id < sas->rxq_count); + rxq_info = &sas->rxq_info[rx_queue_id]; + + 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_done(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 offset < dp_rx->qdesc_npending(dp_rxq); +} + +/* + * 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 rx_queue_id) +{ + struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); + 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; + + if (sas->rxq_info[rx_queue_id].state != SFC_RXQ_INITIALIZED) + goto fail_not_setup; + + rc = sfc_rx_qstart(sa, rx_queue_id); + if (rc != 0) + goto fail_rx_qstart; + + sas->rxq_info[rx_queue_id].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 rx_queue_id) +{ + struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); + + sfc_log_init(sa, "RxQ=%u", rx_queue_id); + + sfc_adapter_lock(sa); + sfc_rx_qstop(sa, rx_queue_id); + + sas->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_shared *sas = sfc_adapter_shared_by_eth_dev(dev); + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); + 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; + + if (sas->txq_info[tx_queue_id].state != SFC_TXQ_INITIALIZED) + goto fail_not_setup; + + rc = sfc_tx_qstart(sa, tx_queue_id); + if (rc != 0) + goto fail_tx_qstart; + + sas->txq_info[tx_queue_id].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 tx_queue_id) +{ + struct sfc_adapter_shared *sas = sfc_adapter_shared_by_eth_dev(dev); + struct sfc_adapter *sa = sfc_adapter_by_eth_dev(dev); + + sfc_log_init(sa, "TxQ = %u", tx_queue_id); + + sfc_adapter_lock(sa); + + sfc_tx_qstop(sa, tx_queue_id); + + sas->txq_info[tx_queue_id].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_ADAPTER_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; + 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 ((rss_conf->rss_key != NULL) && + (rss_conf->rss_key_len != sizeof(rss->key))) { + sfc_err(sa, "RSS key size is wrong (should be %lu)", + 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; + + rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, + 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_ADAPTER_STARTED) { + rc = efx_rx_scale_key_set(sa->nic, + EFX_RSS_CONTEXT_DEFAULT, + 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: + if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, + EFX_RX_HASHALG_TOEPLITZ, + rss->hash_types, B_TRUE) != 0) + sfc_err(sa, "failed to restore RSS mode"); + +fail_scale_mode_set: +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_ADAPTER_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_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 = sfc_adapter_by_eth_dev(dev); + 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 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 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, + .rx_descriptor_status = sfc_rx_descriptor_status, + .tx_descriptor_status = sfc_tx_descriptor_status, + .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, + .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, + .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, +}; + +/** + * 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; + 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->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, + .rx_queue_count = sfc_rx_queue_count, + .rx_descriptor_done = sfc_rx_descriptor_done, + .rx_descriptor_status = sfc_rx_descriptor_status, + .tx_descriptor_status = sfc_tx_descriptor_status, + .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->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_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev) +{ + free(dev->process_private); + dev->process_private = NULL; + dev->dev_ops = NULL; + dev->tx_pkt_prepare = NULL; + dev->tx_pkt_burst = NULL; + dev->rx_pkt_burst = NULL; +} + +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_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_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_shared *sas = sfc_adapter_shared_by_eth_dev(dev); + struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); + uint32_t logtype_main; + struct sfc_adapter *sa; + int rc; + const efx_nic_cfg_t *encp; + const struct rte_ether_addr *from; + + 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 */ + 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); + + rc = sfc_kvargs_parse(sa); + if (rc != 0) + goto fail_kvargs_parse; + + 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 rte_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; -static struct eth_driver sfc_efx_pmd = { - .pci_drv = { - .id_table = pci_id_sfc_efx_map, - .drv_flags = - RTE_PCI_DRV_INTR_LSC | - RTE_PCI_DRV_NEED_MAPPING, - .probe = rte_eth_dev_pci_probe, - .remove = rte_eth_dev_pci_remove, - }, - .eth_dev_init = sfc_eth_dev_init, - .eth_dev_uninit = sfc_eth_dev_uninit, - .dev_private_size = sizeof(struct sfc_adapter), +fail_attach: + sfc_eth_dev_clear_ops(dev); + +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: + 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) +{ + struct sfc_adapter *sa; + + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + sfc_eth_dev_secondary_clear_ops(dev); + return 0; + } + + sa = sfc_adapter_by_eth_dev(dev); + sfc_log_init(sa, "entry"); + + sfc_adapter_lock(sa); + + 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; + + dev->process_private = NULL; + free(sa); + + 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) }, + { .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_shared), 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.pci_drv); +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_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_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " " - SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL); + 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; +}