X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fsfc%2Fsfc_ethdev.c;h=9e65b6a3302426dfc6a51976032c62ae61f2290c;hb=093e1afa24f93b4ae619c0534f1b4fe44e30d11b;hp=b7626c005bc23b6c657aecc481a57767b4b62f62;hpb=2a05f337ce5ac4029769e58d2c94dc200b66e4dc;p=dpdk.git diff --git a/drivers/net/sfc/sfc_ethdev.c b/drivers/net/sfc/sfc_ethdev.c index b7626c005b..9e65b6a330 100644 --- a/drivers/net/sfc/sfc_ethdev.c +++ b/drivers/net/sfc/sfc_ethdev.c @@ -1,5 +1,7 @@ /*- - * Copyright (c) 2016 Solarflare Communications Inc. + * BSD LICENSE + * + * Copyright (c) 2016-2017 Solarflare Communications Inc. * All rights reserved. * * This software was jointly developed between OKTET Labs (under contract @@ -29,7 +31,9 @@ #include #include +#include #include +#include #include "efx.h" @@ -40,16 +44,70 @@ #include "sfc_ev.h" #include "sfc_rx.h" #include "sfc_tx.h" +#include "sfc_flow.h" +#include "sfc_dp.h" +#include "sfc_dp_rx.h" + +static struct sfc_dp_list sfc_dp_head = + TAILQ_HEAD_INITIALIZER(sfc_dp_head); + +static int +sfc_fw_version_get(struct rte_eth_dev *dev, char *fw_version, size_t fw_size) +{ + struct sfc_adapter *sa = dev->data->dev_private; + efx_nic_fw_info_t enfi; + int ret; + int rc; + + /* + * Return value of the callback is likely supposed to be + * equal to or greater than 0, nevertheless, if an error + * occurs, it will be desirable to pass it to the caller + */ + if ((fw_version == NULL) || (fw_size == 0)) + return -EINVAL; + + rc = efx_nic_get_fw_version(sa->nic, &enfi); + if (rc != 0) + return -rc; + + ret = snprintf(fw_version, fw_size, + "%" PRIu16 ".%" PRIu16 ".%" PRIu16 ".%" PRIu16, + enfi.enfi_mc_fw_version[0], enfi.enfi_mc_fw_version[1], + enfi.enfi_mc_fw_version[2], enfi.enfi_mc_fw_version[3]); + if (ret < 0) + return ret; + + if (enfi.enfi_dpcpu_fw_ids_valid) { + size_t dpcpu_fw_ids_offset = MIN(fw_size - 1, (size_t)ret); + int ret_extra; + + ret_extra = snprintf(fw_version + dpcpu_fw_ids_offset, + fw_size - dpcpu_fw_ids_offset, + " rx%" PRIx16 " tx%" PRIx16, + enfi.enfi_rx_dpcpu_fw_id, + enfi.enfi_tx_dpcpu_fw_id); + if (ret_extra < 0) + return ret_extra; + + ret += ret_extra; + } + if (fw_size < (size_t)(++ret)) + return ret; + else + return 0; +} static void sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) { struct sfc_adapter *sa = dev->data->dev_private; + const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); sfc_log_init(sa, "entry"); - dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device); + dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev); dev_info->max_rx_pktlen = EFX_MAC_PDU_MAX; /* Autonegotiation may be disabled */ @@ -67,13 +125,42 @@ 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->rx_offload_capa = + DEV_RX_OFFLOAD_IPV4_CKSUM | + DEV_RX_OFFLOAD_UDP_CKSUM | + DEV_RX_OFFLOAD_TCP_CKSUM; + dev_info->tx_offload_capa = DEV_TX_OFFLOAD_IPV4_CKSUM | DEV_TX_OFFLOAD_UDP_CKSUM | DEV_TX_OFFLOAD_TCP_CKSUM; - dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOVLANOFFL | - ETH_TXQ_FLAGS_NOXSUMSCTP; + dev_info->default_txconf.txq_flags = ETH_TXQ_FLAGS_NOXSUMSCTP; + if ((~sa->dp_tx->features & SFC_DP_TX_FEAT_VLAN_INSERT) || + !encp->enc_hw_tx_insert_vlan_enabled) + dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOVLANOFFL; + else + dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_VLAN_INSERT; + + if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_SEG) + dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS; + + if (~sa->dp_tx->features & SFC_DP_TX_FEAT_MULTI_POOL) + dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOMULTMEMP; + + if (~sa->dp_tx->features & SFC_DP_TX_FEAT_REFCNT) + dev_info->default_txconf.txq_flags |= ETH_TXQ_FLAGS_NOREFCOUNT; + +#if EFSYS_OPT_RX_SCALE + if (sa->rss_support != EFX_RX_SCALE_UNAVAILABLE) { + dev_info->reta_size = EFX_RSS_TBL_SIZE; + dev_info->hash_key_size = EFX_RSS_KEY_SIZE; + dev_info->flow_type_rss_offloads = SFC_RSS_OFFLOADS; + } +#endif + + if (sa->tso) + dev_info->tx_offload_capa |= DEV_TX_OFFLOAD_TCP_TSO; dev_info->rx_desc_lim.nb_max = EFX_RXQ_MAXNDESCS; dev_info->rx_desc_lim.nb_min = EFX_RXQ_MINNDESCS; @@ -91,6 +178,14 @@ sfc_dev_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) dev_info->tx_desc_lim.nb_align = EFX_TXQ_MINNDESCS; } +static const uint32_t * +sfc_dev_supported_ptypes_get(struct rte_eth_dev *dev) +{ + struct sfc_adapter *sa = dev->data->dev_private; + + return sa->dp_rx->supported_ptypes_get(); +} + static int sfc_dev_configure(struct rte_eth_dev *dev) { @@ -104,8 +199,6 @@ 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); @@ -150,17 +243,21 @@ sfc_dev_link_update(struct rte_eth_dev *dev, int wait_to_complete) 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); + if (!rte_atomic64_cmpset((volatile uint64_t *)dev_link, + *(uint64_t *)&old_link, + *(uint64_t *)¤t_link)) + goto retry; + } else if (wait_to_complete) { efx_link_mode_t link_mode; - 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, @@ -252,6 +349,64 @@ sfc_dev_close(struct rte_eth_dev *dev) sfc_log_init(sa, "done"); } +static void +sfc_dev_filter_set(struct rte_eth_dev *dev, enum sfc_dev_filter_mode mode, + boolean_t enabled) +{ + struct sfc_port *port; + boolean_t *toggle; + struct sfc_adapter *sa = dev->data->dev_private; + boolean_t allmulti = (mode == SFC_DEV_FILTER_MODE_ALLMULTI); + const char *desc = (allmulti) ? "all-multi" : "promiscuous"; + + sfc_adapter_lock(sa); + + port = &sa->port; + toggle = (allmulti) ? (&port->allmulti) : (&port->promisc); + + if (*toggle != enabled) { + *toggle = enabled; + + if (port->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); + } + } + + sfc_adapter_unlock(sa); +} + +static void +sfc_dev_promisc_enable(struct rte_eth_dev *dev) +{ + sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_TRUE); +} + +static void +sfc_dev_promisc_disable(struct rte_eth_dev *dev) +{ + sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_PROMISC, B_FALSE); +} + +static void +sfc_dev_allmulti_enable(struct rte_eth_dev *dev) +{ + sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_TRUE); +} + +static void +sfc_dev_allmulti_disable(struct rte_eth_dev *dev) +{ + sfc_dev_filter_set(dev, SFC_DEV_FILTER_MODE_ALLMULTI, B_FALSE); +} + static int sfc_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id, uint16_t nb_rx_desc, unsigned int socket_id, @@ -271,7 +426,7 @@ 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] = sa->rxq_info[rx_queue_id].rxq->dp; sfc_adapter_unlock(sa); @@ -286,13 +441,15 @@ 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); @@ -324,7 +481,7 @@ 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] = sa->txq_info[tx_queue_id].txq->dp; sfc_adapter_unlock(sa); return 0; @@ -338,13 +495,15 @@ 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; + txq = sfc_txq_by_dp_txq(dp_txq); sw_index = sfc_txq_sw_index(txq); SFC_ASSERT(txq->evq != NULL); @@ -430,6 +589,27 @@ unlock: rte_spinlock_unlock(&port->mac_stats_lock); } +static void +sfc_stats_reset(struct rte_eth_dev *dev) +{ + struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_port *port = &sa->port; + int rc; + + if (sa->state != SFC_ADAPTER_STARTED) { + /* + * The operation cannot be done if port is not started; it + * will be scheduled to be done during the next port start + */ + port->mac_stats_reset_pending = B_TRUE; + return; + } + + rc = sfc_port_reset_mac_stats(sa); + if (rc != 0) + sfc_err(sa, "failed to reset statistics (rc = %d)", rc); +} + static int sfc_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats, unsigned int xstats_count) @@ -491,6 +671,85 @@ 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 = dev->data->dev_private; + 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 = dev->data->dev_private; + 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; + + strncpy(name, efx_mac_stat_name(sa->nic, i), + sizeof(xstats_names[0].name)); + name[sizeof(xstats_names[0].name) - 1] = '\0'; + } + + ++nb_supported; + } + + return nb_written; +} + static int sfc_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf) { @@ -652,156 +911,1023 @@ 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, - .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) +static void +sfc_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr) { struct sfc_adapter *sa = dev->data->dev_private; - struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(dev); + const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic); + struct sfc_port *port = &sa->port; int rc; - const efx_nic_cfg_t *encp; - const struct ether_addr *from; - /* Required for logging */ - sa->eth_dev = dev; + sfc_adapter_lock(sa); - /* Copy PCI device info to the dev->data */ - rte_eth_copy_pci_info(dev, pci_dev); + if (port->isolated) { + sfc_err(sa, "isolated mode is active on the port"); + sfc_err(sa, "will not set MAC address"); + goto unlock; + } - rc = sfc_kvargs_parse(sa); - if (rc != 0) - goto fail_kvargs_parse; + if (sa->state != SFC_ADAPTER_STARTED) { + sfc_info(sa, "the port is not started"); + sfc_info(sa, "the new MAC address will be set on port start"); - rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT, - sfc_kvarg_bool_handler, &sa->debug_init); - if (rc != 0) - goto fail_kvarg_debug_init; + goto unlock; + } - sfc_log_init(sa, "entry"); + 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->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0); - if (dev->data->mac_addrs == NULL) { - rc = ENOMEM; - goto fail_mac_addrs; + /* + * Changing the MAC address by means of MCDI request + * has no effect on received traffic, therefore + * we also need to update unicast filters + */ + rc = sfc_set_rx_mode(sa); + if (rc != 0) + sfc_err(sa, "cannot set filter (rc = %u)", rc); + } else { + sfc_warn(sa, "cannot set MAC address with filters installed"); + sfc_warn(sa, "adapter will be restarted to pick the new MAC"); + sfc_warn(sa, "(some traffic may be dropped)"); + + /* + * Since setting MAC address with filters installed is not + * allowed on the adapter, one needs to simply restart adapter + * so that the new MAC address will be taken from an outer + * storage and set flawlessly by means of sfc_start() call + */ + sfc_stop(sa); + rc = sfc_start(sa); + if (rc != 0) + sfc_err(sa, "cannot restart adapter (rc = %u)", rc); } - sfc_adapter_lock_init(sa); - sfc_adapter_lock(sa); +unlock: + sfc_adapter_unlock(sa); +} - sfc_log_init(sa, "attaching"); - rc = sfc_attach(sa); - if (rc != 0) - goto fail_attach; - encp = efx_nic_cfg_get(sa->nic); +static int +sfc_set_mc_addr_list(struct rte_eth_dev *dev, struct ether_addr *mc_addr_set, + uint32_t nb_mc_addr) +{ + struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_port *port = &sa->port; + uint8_t *mc_addrs = port->mcast_addrs; + int rc; + unsigned int i; - /* - * 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 (port->isolated) { + sfc_err(sa, "isolated mode is active on the port"); + sfc_err(sa, "will not set multicast address list"); + return -ENOTSUP; + } - dev->dev_ops = &sfc_eth_dev_ops; - dev->rx_pkt_burst = &sfc_recv_pkts; - dev->tx_pkt_burst = &sfc_xmit_pkts; + if (mc_addrs == NULL) + return -ENOBUFS; - sfc_adapter_unlock(sa); + 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; + } - sfc_log_init(sa, "done"); - return 0; + 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; + } -fail_attach: - sfc_adapter_unlock(sa); - sfc_adapter_lock_fini(sa); - rte_free(dev->data->mac_addrs); - dev->data->mac_addrs = NULL; + port->nb_mcast_addrs = nb_mc_addr; -fail_mac_addrs: -fail_kvarg_debug_init: - sfc_kvargs_cleanup(sa); + if (sa->state != SFC_ADAPTER_STARTED) + return 0; + + rc = efx_mac_multicast_list_set(sa->nic, port->mcast_addrs, + port->nb_mcast_addrs); + if (rc != 0) + sfc_err(sa, "cannot set multicast address list (rc = %u)", rc); -fail_kvargs_parse: - sfc_log_init(sa, "failed %d", rc); SFC_ASSERT(rc > 0); return -rc; } -static int -sfc_eth_dev_uninit(struct rte_eth_dev *dev) +/* + * 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 *sa = dev->data->dev_private; + struct sfc_rxq_info *rxq_info; + struct sfc_rxq *rxq; - sfc_log_init(sa, "entry"); + sfc_adapter_lock(sa); + + SFC_ASSERT(rx_queue_id < sa->rxq_count); + + rxq_info = &sa->rxq_info[rx_queue_id]; + rxq = rxq_info->rxq; + SFC_ASSERT(rxq != NULL); + + qinfo->mp = rxq->refill_mb_pool; + qinfo->conf.rx_free_thresh = rxq->refill_threshold; + qinfo->conf.rx_drop_en = 1; + qinfo->conf.rx_deferred_start = rxq_info->deferred_start; + qinfo->scattered_rx = (rxq_info->type == EFX_RXQ_TYPE_SCATTER); + qinfo->nb_desc = rxq_info->entries; + + sfc_adapter_unlock(sa); +} + +/* + * 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 *sa = dev->data->dev_private; + struct sfc_txq_info *txq_info; sfc_adapter_lock(sa); - sfc_detach(sa); + SFC_ASSERT(tx_queue_id < sa->txq_count); - rte_free(dev->data->mac_addrs); - dev->data->mac_addrs = NULL; + txq_info = &sa->txq_info[tx_queue_id]; + SFC_ASSERT(txq_info->txq != NULL); - dev->dev_ops = NULL; - dev->rx_pkt_burst = NULL; - dev->tx_pkt_burst = NULL; + memset(qinfo, 0, sizeof(*qinfo)); - sfc_kvargs_cleanup(sa); + qinfo->conf.txq_flags = txq_info->txq->flags; + qinfo->conf.tx_free_thresh = txq_info->txq->free_thresh; + qinfo->conf.tx_deferred_start = txq_info->deferred_start; + qinfo->nb_desc = txq_info->entries; sfc_adapter_unlock(sa); - sfc_adapter_lock_fini(sa); +} - sfc_log_init(sa, "done"); +static uint32_t +sfc_rx_queue_count(struct rte_eth_dev *dev, uint16_t rx_queue_id) +{ + struct sfc_adapter *sa = dev->data->dev_private; - /* Required for logging, so cleanup last */ + sfc_log_init(sa, "RxQ=%u", rx_queue_id); + + return sfc_rx_qdesc_npending(sa, rx_queue_id); +} + +static int +sfc_rx_descriptor_done(void *queue, uint16_t offset) +{ + struct sfc_dp_rxq *dp_rxq = queue; + + return sfc_rx_qdesc_done(dp_rxq, offset); +} + +static int +sfc_rx_descriptor_status(void *queue, uint16_t offset) +{ + struct sfc_dp_rxq *dp_rxq = queue; + struct sfc_rxq *rxq = sfc_rxq_by_dp_rxq(dp_rxq); + + return rxq->evq->sa->dp_rx->qdesc_status(dp_rxq, offset); +} + +static int +sfc_tx_descriptor_status(void *queue, uint16_t offset) +{ + struct sfc_dp_txq *dp_txq = queue; + struct sfc_txq *txq = sfc_txq_by_dp_txq(dp_txq); + + return txq->evq->sa->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 *sa = dev->data->dev_private; + int rc; + + sfc_log_init(sa, "RxQ=%u", rx_queue_id); + + sfc_adapter_lock(sa); + + rc = EINVAL; + if (sa->state != SFC_ADAPTER_STARTED) + goto fail_not_started; + + rc = sfc_rx_qstart(sa, rx_queue_id); + if (rc != 0) + goto fail_rx_qstart; + + sa->rxq_info[rx_queue_id].deferred_started = B_TRUE; + + sfc_adapter_unlock(sa); + + return 0; + +fail_rx_qstart: +fail_not_started: + sfc_adapter_unlock(sa); + SFC_ASSERT(rc > 0); + return -rc; +} + +static int +sfc_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id) +{ + struct sfc_adapter *sa = dev->data->dev_private; + + sfc_log_init(sa, "RxQ=%u", rx_queue_id); + + sfc_adapter_lock(sa); + sfc_rx_qstop(sa, rx_queue_id); + + sa->rxq_info[rx_queue_id].deferred_started = B_FALSE; + + sfc_adapter_unlock(sa); + + return 0; +} + +static int +sfc_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id) +{ + struct sfc_adapter *sa = dev->data->dev_private; + int rc; + + sfc_log_init(sa, "TxQ = %u", tx_queue_id); + + sfc_adapter_lock(sa); + + rc = EINVAL; + if (sa->state != SFC_ADAPTER_STARTED) + goto fail_not_started; + + rc = sfc_tx_qstart(sa, tx_queue_id); + if (rc != 0) + goto fail_tx_qstart; + + sa->txq_info[tx_queue_id].deferred_started = B_TRUE; + + sfc_adapter_unlock(sa); + return 0; + +fail_tx_qstart: + +fail_not_started: + sfc_adapter_unlock(sa); + SFC_ASSERT(rc > 0); + return -rc; +} + +static int +sfc_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id) +{ + struct sfc_adapter *sa = dev->data->dev_private; + + sfc_log_init(sa, "TxQ = %u", tx_queue_id); + + sfc_adapter_lock(sa); + + sfc_tx_qstop(sa, tx_queue_id); + + sa->txq_info[tx_queue_id].deferred_started = B_FALSE; + + sfc_adapter_unlock(sa); + return 0; +} + +#if EFSYS_OPT_RX_SCALE +static int +sfc_dev_rss_hash_conf_get(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_port *port = &sa->port; + + if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) + return -ENOTSUP; + + if (sa->rss_channels == 0) + return -EINVAL; + + sfc_adapter_lock(sa); + + /* + * Mapping of hash configuration between RTE and EFX is not one-to-one, + * hence, conversion is done here to derive a correct set of ETH_RSS + * flags which corresponds to the active EFX configuration stored + * locally in 'sfc_adapter' and kept up-to-date + */ + rss_conf->rss_hf = sfc_efx_to_rte_hash_type(sa->rss_hash_types); + rss_conf->rss_key_len = EFX_RSS_KEY_SIZE; + if (rss_conf->rss_key != NULL) + rte_memcpy(rss_conf->rss_key, sa->rss_key, EFX_RSS_KEY_SIZE); + + sfc_adapter_unlock(sa); + + return 0; +} + +static int +sfc_dev_rss_hash_update(struct rte_eth_dev *dev, + struct rte_eth_rss_conf *rss_conf) +{ + struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_port *port = &sa->port; + unsigned int efx_hash_types; + int rc = 0; + + if (port->isolated) + return -ENOTSUP; + + if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { + sfc_err(sa, "RSS is not available"); + return -ENOTSUP; + } + + if (sa->rss_channels == 0) { + sfc_err(sa, "RSS is not configured"); + return -EINVAL; + } + + if ((rss_conf->rss_key != NULL) && + (rss_conf->rss_key_len != sizeof(sa->rss_key))) { + sfc_err(sa, "RSS key size is wrong (should be %lu)", + sizeof(sa->rss_key)); + return -EINVAL; + } + + if ((rss_conf->rss_hf & ~SFC_RSS_OFFLOADS) != 0) { + sfc_err(sa, "unsupported hash functions requested"); + return -EINVAL; + } + + sfc_adapter_lock(sa); + + efx_hash_types = sfc_rte_to_efx_hash_type(rss_conf->rss_hf); + + rc = efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, + EFX_RX_HASHALG_TOEPLITZ, + efx_hash_types, B_TRUE); + if (rc != 0) + goto fail_scale_mode_set; + + if (rss_conf->rss_key != NULL) { + if (sa->state == SFC_ADAPTER_STARTED) { + rc = efx_rx_scale_key_set(sa->nic, + EFX_RSS_CONTEXT_DEFAULT, + rss_conf->rss_key, + sizeof(sa->rss_key)); + if (rc != 0) + goto fail_scale_key_set; + } + + rte_memcpy(sa->rss_key, rss_conf->rss_key, sizeof(sa->rss_key)); + } + + sa->rss_hash_types = efx_hash_types; + + sfc_adapter_unlock(sa); + + return 0; + +fail_scale_key_set: + if (efx_rx_scale_mode_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, + EFX_RX_HASHALG_TOEPLITZ, + sa->rss_hash_types, B_TRUE) != 0) + sfc_err(sa, "failed to restore RSS mode"); + +fail_scale_mode_set: + sfc_adapter_unlock(sa); + return -rc; +} + +static int +sfc_dev_rss_reta_query(struct rte_eth_dev *dev, + struct rte_eth_rss_reta_entry64 *reta_conf, + uint16_t reta_size) +{ + struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_port *port = &sa->port; + int entry; + + if ((sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) || port->isolated) + return -ENOTSUP; + + if (sa->rss_channels == 0) + return -EINVAL; + + if (reta_size != EFX_RSS_TBL_SIZE) + return -EINVAL; + + sfc_adapter_lock(sa); + + for (entry = 0; entry < reta_size; entry++) { + int grp = entry / RTE_RETA_GROUP_SIZE; + int grp_idx = entry % RTE_RETA_GROUP_SIZE; + + if ((reta_conf[grp].mask >> grp_idx) & 1) + reta_conf[grp].reta[grp_idx] = sa->rss_tbl[entry]; + } + + sfc_adapter_unlock(sa); + + return 0; +} + +static int +sfc_dev_rss_reta_update(struct rte_eth_dev *dev, + struct rte_eth_rss_reta_entry64 *reta_conf, + uint16_t reta_size) +{ + struct sfc_adapter *sa = dev->data->dev_private; + struct sfc_port *port = &sa->port; + unsigned int *rss_tbl_new; + uint16_t entry; + int rc; + + + if (port->isolated) + return -ENOTSUP; + + if (sa->rss_support != EFX_RX_SCALE_EXCLUSIVE) { + sfc_err(sa, "RSS is not available"); + return -ENOTSUP; + } + + if (sa->rss_channels == 0) { + sfc_err(sa, "RSS is not configured"); + return -EINVAL; + } + + if (reta_size != EFX_RSS_TBL_SIZE) { + sfc_err(sa, "RETA size is wrong (should be %u)", + EFX_RSS_TBL_SIZE); + return -EINVAL; + } + + rss_tbl_new = rte_zmalloc("rss_tbl_new", sizeof(sa->rss_tbl), 0); + if (rss_tbl_new == NULL) + return -ENOMEM; + + sfc_adapter_lock(sa); + + rte_memcpy(rss_tbl_new, sa->rss_tbl, sizeof(sa->rss_tbl)); + + for (entry = 0; entry < reta_size; entry++) { + int grp_idx = entry % RTE_RETA_GROUP_SIZE; + struct rte_eth_rss_reta_entry64 *grp; + + grp = &reta_conf[entry / RTE_RETA_GROUP_SIZE]; + + if (grp->mask & (1ull << grp_idx)) { + if (grp->reta[grp_idx] >= sa->rss_channels) { + rc = EINVAL; + goto bad_reta_entry; + } + rss_tbl_new[entry] = grp->reta[grp_idx]; + } + } + + rc = efx_rx_scale_tbl_set(sa->nic, EFX_RSS_CONTEXT_DEFAULT, + rss_tbl_new, EFX_RSS_TBL_SIZE); + if (rc == 0) + rte_memcpy(sa->rss_tbl, rss_tbl_new, sizeof(sa->rss_tbl)); + +bad_reta_entry: + sfc_adapter_unlock(sa); + + rte_free(rss_tbl_new); + + SFC_ASSERT(rc >= 0); + return -rc; +} +#endif + +static int +sfc_dev_filter_ctrl(struct rte_eth_dev *dev, enum rte_filter_type filter_type, + enum rte_filter_op filter_op, + void *arg) +{ + struct sfc_adapter *sa = dev->data->dev_private; + int rc = ENOTSUP; + + sfc_log_init(sa, "entry"); + + switch (filter_type) { + case RTE_ETH_FILTER_NONE: + sfc_err(sa, "Global filters configuration not supported"); + break; + case RTE_ETH_FILTER_MACVLAN: + sfc_err(sa, "MACVLAN filters not supported"); + break; + case RTE_ETH_FILTER_ETHERTYPE: + sfc_err(sa, "EtherType filters not supported"); + break; + case RTE_ETH_FILTER_FLEXIBLE: + sfc_err(sa, "Flexible filters not supported"); + break; + case RTE_ETH_FILTER_SYN: + sfc_err(sa, "SYN filters not supported"); + break; + case RTE_ETH_FILTER_NTUPLE: + sfc_err(sa, "NTUPLE filters not supported"); + break; + case RTE_ETH_FILTER_TUNNEL: + sfc_err(sa, "Tunnel filters not supported"); + break; + case RTE_ETH_FILTER_FDIR: + sfc_err(sa, "Flow Director filters not supported"); + break; + case RTE_ETH_FILTER_HASH: + sfc_err(sa, "Hash filters not supported"); + break; + case RTE_ETH_FILTER_GENERIC: + if (filter_op != RTE_ETH_FILTER_GET) { + rc = EINVAL; + } else { + *(const void **)arg = &sfc_flow_ops; + rc = 0; + } + break; + default: + sfc_err(sa, "Unknown filter type %u", filter_type); + break; + } + + sfc_log_init(sa, "exit: %d", -rc); + SFC_ASSERT(rc >= 0); + return -rc; +} + +static const struct eth_dev_ops sfc_eth_dev_ops = { + .dev_configure = sfc_dev_configure, + .dev_start = sfc_dev_start, + .dev_stop = sfc_dev_stop, + .dev_set_link_up = sfc_dev_set_link_up, + .dev_set_link_down = sfc_dev_set_link_down, + .dev_close = sfc_dev_close, + .promiscuous_enable = sfc_dev_promisc_enable, + .promiscuous_disable = sfc_dev_promisc_disable, + .allmulticast_enable = sfc_dev_allmulti_enable, + .allmulticast_disable = sfc_dev_allmulti_disable, + .link_update = sfc_dev_link_update, + .stats_get = sfc_stats_get, + .stats_reset = sfc_stats_reset, + .xstats_get = sfc_xstats_get, + .xstats_reset = sfc_stats_reset, + .xstats_get_names = sfc_xstats_get_names, + .dev_infos_get = sfc_dev_infos_get, + .dev_supported_ptypes_get = sfc_dev_supported_ptypes_get, + .mtu_set = sfc_dev_set_mtu, + .rx_queue_start = sfc_rx_queue_start, + .rx_queue_stop = sfc_rx_queue_stop, + .tx_queue_start = sfc_tx_queue_start, + .tx_queue_stop = sfc_tx_queue_stop, + .rx_queue_setup = sfc_rx_queue_setup, + .rx_queue_release = sfc_rx_queue_release, + .rx_queue_count = sfc_rx_queue_count, + .rx_descriptor_done = sfc_rx_descriptor_done, + .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, +#if EFSYS_OPT_RX_SCALE + .reta_update = sfc_dev_rss_reta_update, + .reta_query = sfc_dev_rss_reta_query, + .rss_hash_update = sfc_dev_rss_hash_update, + .rss_hash_conf_get = sfc_dev_rss_hash_conf_get, +#endif + .filter_ctrl = sfc_dev_filter_ctrl, + .set_mc_addr_list = sfc_set_mc_addr_list, + .rxq_info_get = sfc_rx_queue_info_get, + .txq_info_get = sfc_tx_queue_info_get, + .fw_version_get = sfc_fw_version_get, + .xstats_get_by_id = sfc_xstats_get_by_id, + .xstats_get_names_by_id = sfc_xstats_get_names_by_id, +}; + +/** + * 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 = dev->data->dev_private; + unsigned int avail_caps = 0; + const char *rx_name = NULL; + const char *tx_name = NULL; + int rc; + + switch (sa->family) { + case EFX_FAMILY_HUNTINGTON: + case EFX_FAMILY_MEDFORD: + avail_caps |= SFC_DP_HW_FW_CAP_EF10; + break; + default: + break; + } + + rc = sfc_kvargs_process(sa, SFC_KVARG_RX_DATAPATH, + sfc_kvarg_string_handler, &rx_name); + if (rc != 0) + goto fail_kvarg_rx_datapath; + + if (rx_name != NULL) { + sa->dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, rx_name); + if (sa->dp_rx == NULL) { + sfc_err(sa, "Rx datapath %s not found", rx_name); + rc = ENOENT; + goto fail_dp_rx; + } + if (!sfc_dp_match_hw_fw_caps(&sa->dp_rx->dp, avail_caps)) { + sfc_err(sa, + "Insufficient Hw/FW capabilities to use Rx datapath %s", + rx_name); + rc = EINVAL; + goto fail_dp_rx_caps; + } + } else { + sa->dp_rx = sfc_dp_find_rx_by_caps(&sfc_dp_head, avail_caps); + if (sa->dp_rx == NULL) { + sfc_err(sa, "Rx datapath by caps %#x not found", + avail_caps); + rc = ENOENT; + goto fail_dp_rx; + } + } + + sa->dp_rx_name = sfc_strdup(sa->dp_rx->dp.name); + if (sa->dp_rx_name == NULL) { + rc = ENOMEM; + goto fail_dp_rx_name; + } + + sfc_info(sa, "use %s Rx datapath", sa->dp_rx_name); + + dev->rx_pkt_burst = sa->dp_rx->pkt_burst; + + rc = sfc_kvargs_process(sa, SFC_KVARG_TX_DATAPATH, + sfc_kvarg_string_handler, &tx_name); + if (rc != 0) + goto fail_kvarg_tx_datapath; + + if (tx_name != NULL) { + sa->dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, tx_name); + if (sa->dp_tx == NULL) { + sfc_err(sa, "Tx datapath %s not found", tx_name); + rc = ENOENT; + goto fail_dp_tx; + } + if (!sfc_dp_match_hw_fw_caps(&sa->dp_tx->dp, avail_caps)) { + sfc_err(sa, + "Insufficient Hw/FW capabilities to use Tx datapath %s", + tx_name); + rc = EINVAL; + goto fail_dp_tx_caps; + } + } else { + sa->dp_tx = sfc_dp_find_tx_by_caps(&sfc_dp_head, avail_caps); + if (sa->dp_tx == NULL) { + sfc_err(sa, "Tx datapath by caps %#x not found", + avail_caps); + rc = ENOENT; + goto fail_dp_tx; + } + } + + sa->dp_tx_name = sfc_strdup(sa->dp_tx->dp.name); + if (sa->dp_tx_name == NULL) { + rc = ENOMEM; + goto fail_dp_tx_name; + } + + sfc_info(sa, "use %s Tx datapath", sa->dp_tx_name); + + dev->tx_pkt_burst = sa->dp_tx->pkt_burst; + + dev->dev_ops = &sfc_eth_dev_ops; + + return 0; + +fail_dp_tx_name: +fail_dp_tx_caps: + sa->dp_tx = NULL; + +fail_dp_tx: +fail_kvarg_tx_datapath: + rte_free(sa->dp_rx_name); + sa->dp_rx_name = NULL; + +fail_dp_rx_name: +fail_dp_rx_caps: + sa->dp_rx = NULL; + +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 = dev->data->dev_private; + + dev->dev_ops = NULL; + dev->rx_pkt_burst = NULL; + dev->tx_pkt_burst = NULL; + + rte_free(sa->dp_tx_name); + sa->dp_tx_name = NULL; + sa->dp_tx = NULL; + + rte_free(sa->dp_rx_name); + sa->dp_rx_name = NULL; + sa->dp_rx = NULL; +} + +static const struct eth_dev_ops sfc_eth_dev_secondary_ops = { + .rxq_info_get = sfc_rx_queue_info_get, + .txq_info_get = sfc_tx_queue_info_get, +}; + +static int +sfc_eth_dev_secondary_set_ops(struct rte_eth_dev *dev) +{ + /* + * Device private data has really many process-local pointers. + * Below code should be extremely careful to use data located + * in shared memory only. + */ + struct sfc_adapter *sa = dev->data->dev_private; + const struct sfc_dp_rx *dp_rx; + const struct sfc_dp_tx *dp_tx; + int rc; + + dp_rx = sfc_dp_find_rx_by_name(&sfc_dp_head, sa->dp_rx_name); + if (dp_rx == NULL) { + sfc_err(sa, "cannot find %s Rx datapath", sa->dp_tx_name); + rc = ENOENT; + goto fail_dp_rx; + } + if (~dp_rx->features & SFC_DP_RX_FEAT_MULTI_PROCESS) { + sfc_err(sa, "%s Rx datapath does not support multi-process", + sa->dp_tx_name); + rc = EINVAL; + goto fail_dp_rx_multi_process; + } + + dp_tx = sfc_dp_find_tx_by_name(&sfc_dp_head, sa->dp_tx_name); + if (dp_tx == NULL) { + sfc_err(sa, "cannot find %s Tx datapath", sa->dp_tx_name); + rc = ENOENT; + goto fail_dp_tx; + } + if (~dp_tx->features & SFC_DP_TX_FEAT_MULTI_PROCESS) { + sfc_err(sa, "%s Tx datapath does not support multi-process", + sa->dp_tx_name); + rc = EINVAL; + goto fail_dp_tx_multi_process; + } + + dev->rx_pkt_burst = dp_rx->pkt_burst; + 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: + return rc; +} + +static void +sfc_eth_dev_secondary_clear_ops(struct rte_eth_dev *dev) +{ + dev->dev_ops = 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_rx.dp); + sfc_dp_register(&sfc_dp_head, &sfc_efx_rx.dp); + + sfc_dp_register(&sfc_dp_head, &sfc_ef10_tx.dp); + sfc_dp_register(&sfc_dp_head, &sfc_efx_tx.dp); + sfc_dp_register(&sfc_dp_head, &sfc_ef10_simple_tx.dp); + } +} + +static int +sfc_eth_dev_init(struct rte_eth_dev *dev) +{ + struct sfc_adapter *sa = dev->data->dev_private; + struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); + int rc; + const efx_nic_cfg_t *encp; + const struct ether_addr *from; + + sfc_register_dp(); + + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return -sfc_eth_dev_secondary_set_ops(dev); + + /* Required for logging */ + sa->pci_addr = pci_dev->addr; + sa->port_id = dev->data->port_id; + + 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_DETACHABLE; + + rc = sfc_kvargs_parse(sa); + if (rc != 0) + goto fail_kvargs_parse; + + rc = sfc_kvargs_process(sa, SFC_KVARG_DEBUG_INIT, + sfc_kvarg_bool_handler, &sa->debug_init); + if (rc != 0) + goto fail_kvarg_debug_init; + + sfc_log_init(sa, "entry"); + + dev->data->mac_addrs = rte_zmalloc("sfc", ETHER_ADDR_LEN, 0); + if (dev->data->mac_addrs == NULL) { + rc = ENOMEM; + goto fail_mac_addrs; + } + + sfc_adapter_lock_init(sa); + sfc_adapter_lock(sa); + + sfc_log_init(sa, "probing"); + rc = sfc_probe(sa); + if (rc != 0) + goto fail_probe; + + sfc_log_init(sa, "set device ops"); + rc = sfc_eth_dev_set_ops(dev); + if (rc != 0) + goto fail_set_ops; + + sfc_log_init(sa, "attaching"); + rc = sfc_attach(sa); + if (rc != 0) + goto fail_attach; + + encp = efx_nic_cfg_get(sa->nic); + + /* + * The arguments are really reverse order in comparison to + * Linux kernel. Copy from NIC config to Ethernet device data. + */ + from = (const struct ether_addr *)(encp->enc_mac_addr); + ether_addr_copy(from, &dev->data->mac_addrs[0]); + + sfc_adapter_unlock(sa); + + sfc_log_init(sa, "done"); + return 0; + +fail_attach: + 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: +fail_kvarg_debug_init: + sfc_kvargs_cleanup(sa); + +fail_kvargs_parse: + sfc_log_init(sa, "failed %d", rc); + SFC_ASSERT(rc > 0); + return -rc; +} + +static int +sfc_eth_dev_uninit(struct rte_eth_dev *dev) +{ + struct sfc_adapter *sa; + + if (rte_eal_process_type() != RTE_PROC_PRIMARY) { + sfc_eth_dev_secondary_clear_ops(dev); + return 0; + } + + sa = dev->data->dev_private; + sfc_log_init(sa, "entry"); + + sfc_adapter_lock(sa); + + sfc_eth_dev_clear_ops(dev); + + sfc_detach(sa); + sfc_unprobe(sa); + + rte_free(dev->data->mac_addrs); + dev->data->mac_addrs = NULL; + + sfc_kvargs_cleanup(sa); + + sfc_adapter_unlock(sa); + sfc_adapter_lock_fini(sa); + + sfc_log_init(sa, "done"); + + /* Required for logging, so cleanup last */ sa->eth_dev = NULL; return 0; } static const struct rte_pci_id pci_id_sfc_efx_map[] = { { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE) }, + { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_FARMINGDALE_VF) }, { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT) }, + { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_GREENPORT_VF) }, { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD) }, + { RTE_PCI_DEVICE(EFX_PCI_VENID_SFC, EFX_PCI_DEVID_MEDFORD_VF) }, { .vendor_id = 0 /* sentinel */ } }; -static 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), +static int sfc_eth_dev_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, + struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_probe(pci_dev, + sizeof(struct sfc_adapter), sfc_eth_dev_init); +} + +static int sfc_eth_dev_pci_remove(struct rte_pci_device *pci_dev) +{ + return rte_eth_dev_pci_generic_remove(pci_dev, sfc_eth_dev_uninit); +} + +static struct rte_pci_driver sfc_efx_pmd = { + .id_table = pci_id_sfc_efx_map, + .drv_flags = + RTE_PCI_DRV_INTR_LSC | + RTE_PCI_DRV_NEED_MAPPING, + .probe = sfc_eth_dev_pci_probe, + .remove = sfc_eth_dev_pci_remove, }; -RTE_PMD_REGISTER_PCI(net_sfc_efx, sfc_efx_pmd.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_STATS_UPDATE_PERIOD_MS "= " SFC_KVARG_MCDI_LOGGING "=" SFC_KVARG_VALUES_BOOL " " SFC_KVARG_DEBUG_INIT "=" SFC_KVARG_VALUES_BOOL);