--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) 2016-2017 Solarflare Communications Inc.
+ * All rights reserved.
+ *
+ * This software was jointly developed between OKTET Labs (under contract
+ * for Solarflare) and Solarflare Communications, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* sysconf() */
+#include <unistd.h>
+
+#include <rte_errno.h>
+
+#include "efx.h"
+
+#include "sfc.h"
+#include "sfc_log.h"
+#include "sfc_ev.h"
+#include "sfc_rx.h"
+#include "sfc_tx.h"
+
+
+int
+sfc_dma_alloc(const struct sfc_adapter *sa, const char *name, uint16_t id,
+ size_t len, int socket_id, efsys_mem_t *esmp)
+{
+ const struct rte_memzone *mz;
+
+ sfc_log_init(sa, "name=%s id=%u len=%lu socket_id=%d",
+ name, id, len, socket_id);
+
+ mz = rte_eth_dma_zone_reserve(sa->eth_dev, name, id, len,
+ sysconf(_SC_PAGESIZE), socket_id);
+ if (mz == NULL) {
+ sfc_err(sa, "cannot reserve DMA zone for %s:%u %#x@%d: %s",
+ name, (unsigned int)id, (unsigned int)len, socket_id,
+ rte_strerror(rte_errno));
+ return ENOMEM;
+ }
+
+ esmp->esm_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
+ if (esmp->esm_addr == RTE_BAD_PHYS_ADDR) {
+ (void)rte_memzone_free(mz);
+ return EFAULT;
+ }
+
+ esmp->esm_mz = mz;
+ esmp->esm_base = mz->addr;
+
+ return 0;
+}
+
+void
+sfc_dma_free(const struct sfc_adapter *sa, efsys_mem_t *esmp)
+{
+ int rc;
+
+ sfc_log_init(sa, "name=%s", esmp->esm_mz->name);
+
+ rc = rte_memzone_free(esmp->esm_mz);
+ if (rc != 0)
+ sfc_err(sa, "rte_memzone_free(() failed: %d", rc);
+
+ memset(esmp, 0, sizeof(*esmp));
+}
+
+static uint32_t
+sfc_phy_cap_from_link_speeds(uint32_t speeds)
+{
+ uint32_t phy_caps = 0;
+
+ if (~speeds & ETH_LINK_SPEED_FIXED) {
+ phy_caps |= (1 << EFX_PHY_CAP_AN);
+ /*
+ * If no speeds are specified in the mask, any supported
+ * may be negotiated
+ */
+ if (speeds == ETH_LINK_SPEED_AUTONEG)
+ phy_caps |=
+ (1 << EFX_PHY_CAP_1000FDX) |
+ (1 << EFX_PHY_CAP_10000FDX) |
+ (1 << EFX_PHY_CAP_40000FDX);
+ }
+ if (speeds & ETH_LINK_SPEED_1G)
+ phy_caps |= (1 << EFX_PHY_CAP_1000FDX);
+ if (speeds & ETH_LINK_SPEED_10G)
+ phy_caps |= (1 << EFX_PHY_CAP_10000FDX);
+ if (speeds & ETH_LINK_SPEED_40G)
+ phy_caps |= (1 << EFX_PHY_CAP_40000FDX);
+
+ return phy_caps;
+}
+
+/*
+ * Check requested device level configuration.
+ * Receive and transmit configuration is checked in corresponding
+ * modules.
+ */
+static int
+sfc_check_conf(struct sfc_adapter *sa)
+{
+ const struct rte_eth_conf *conf = &sa->eth_dev->data->dev_conf;
+ int rc = 0;
+
+ sa->port.phy_adv_cap =
+ sfc_phy_cap_from_link_speeds(conf->link_speeds) &
+ sa->port.phy_adv_cap_mask;
+ if ((sa->port.phy_adv_cap & ~(1 << EFX_PHY_CAP_AN)) == 0) {
+ sfc_err(sa, "No link speeds from mask %#x are supported",
+ conf->link_speeds);
+ rc = EINVAL;
+ }
+
+ if (conf->lpbk_mode != 0) {
+ sfc_err(sa, "Loopback not supported");
+ rc = EINVAL;
+ }
+
+ if (conf->dcb_capability_en != 0) {
+ sfc_err(sa, "Priority-based flow control not supported");
+ rc = EINVAL;
+ }
+
+ if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
+ sfc_err(sa, "Flow Director not supported");
+ rc = EINVAL;
+ }
+
+ if ((conf->intr_conf.lsc != 0) &&
+ (sa->intr.type != EFX_INTR_LINE) &&
+ (sa->intr.type != EFX_INTR_MESSAGE)) {
+ sfc_err(sa, "Link status change interrupt not supported");
+ rc = EINVAL;
+ }
+
+ if (conf->intr_conf.rxq != 0) {
+ sfc_err(sa, "Receive queue interrupt not supported");
+ rc = EINVAL;
+ }
+
+ return rc;
+}
+
+/*
+ * Find out maximum number of receive and transmit queues which could be
+ * advertised.
+ *
+ * NIC is kept initialized on success to allow other modules acquire
+ * defaults and capabilities.
+ */
+static int
+sfc_estimate_resource_limits(struct sfc_adapter *sa)
+{
+ const efx_nic_cfg_t *encp = efx_nic_cfg_get(sa->nic);
+ efx_drv_limits_t limits;
+ int rc;
+ uint32_t evq_allocated;
+ uint32_t rxq_allocated;
+ uint32_t txq_allocated;
+
+ memset(&limits, 0, sizeof(limits));
+
+ /* Request at least one Rx and Tx queue */
+ limits.edl_min_rxq_count = 1;
+ limits.edl_min_txq_count = 1;
+ /* Management event queue plus event queue for each Tx and Rx queue */
+ limits.edl_min_evq_count =
+ 1 + limits.edl_min_rxq_count + limits.edl_min_txq_count;
+
+ /* Divide by number of functions to guarantee that all functions
+ * will get promised resources
+ */
+ /* FIXME Divide by number of functions (not 2) below */
+ limits.edl_max_evq_count = encp->enc_evq_limit / 2;
+ SFC_ASSERT(limits.edl_max_evq_count >= limits.edl_min_rxq_count);
+
+ /* Split equally between receive and transmit */
+ limits.edl_max_rxq_count =
+ MIN(encp->enc_rxq_limit, (limits.edl_max_evq_count - 1) / 2);
+ SFC_ASSERT(limits.edl_max_rxq_count >= limits.edl_min_rxq_count);
+
+ limits.edl_max_txq_count =
+ MIN(encp->enc_txq_limit,
+ limits.edl_max_evq_count - 1 - limits.edl_max_rxq_count);
+
+ if (sa->tso)
+ limits.edl_max_txq_count =
+ MIN(limits.edl_max_txq_count,
+ encp->enc_fw_assisted_tso_v2_n_contexts /
+ encp->enc_hw_pf_count);
+
+ SFC_ASSERT(limits.edl_max_txq_count >= limits.edl_min_rxq_count);
+
+ /* Configure the minimum required resources needed for the
+ * driver to operate, and the maximum desired resources that the
+ * driver is capable of using.
+ */
+ efx_nic_set_drv_limits(sa->nic, &limits);
+
+ sfc_log_init(sa, "init nic");
+ rc = efx_nic_init(sa->nic);
+ if (rc != 0)
+ goto fail_nic_init;
+
+ /* Find resource dimensions assigned by firmware to this function */
+ rc = efx_nic_get_vi_pool(sa->nic, &evq_allocated, &rxq_allocated,
+ &txq_allocated);
+ if (rc != 0)
+ goto fail_get_vi_pool;
+
+ /* It still may allocate more than maximum, ensure limit */
+ evq_allocated = MIN(evq_allocated, limits.edl_max_evq_count);
+ rxq_allocated = MIN(rxq_allocated, limits.edl_max_rxq_count);
+ txq_allocated = MIN(txq_allocated, limits.edl_max_txq_count);
+
+ /* Subtract management EVQ not used for traffic */
+ SFC_ASSERT(evq_allocated > 0);
+ evq_allocated--;
+
+ /* Right now we use separate EVQ for Rx and Tx */
+ sa->rxq_max = MIN(rxq_allocated, evq_allocated / 2);
+ sa->txq_max = MIN(txq_allocated, evq_allocated - sa->rxq_max);
+
+ /* Keep NIC initialized */
+ return 0;
+
+fail_get_vi_pool:
+fail_nic_init:
+ efx_nic_fini(sa->nic);
+ return rc;
+}
+
+static int
+sfc_set_drv_limits(struct sfc_adapter *sa)
+{
+ const struct rte_eth_dev_data *data = sa->eth_dev->data;
+ efx_drv_limits_t lim;
+
+ memset(&lim, 0, sizeof(lim));
+
+ /* Limits are strict since take into account initial estimation */
+ lim.edl_min_evq_count = lim.edl_max_evq_count =
+ 1 + data->nb_rx_queues + data->nb_tx_queues;
+ lim.edl_min_rxq_count = lim.edl_max_rxq_count = data->nb_rx_queues;
+ lim.edl_min_txq_count = lim.edl_max_txq_count = data->nb_tx_queues;
+
+ return efx_nic_set_drv_limits(sa->nic, &lim);
+}
+
+int
+sfc_start(struct sfc_adapter *sa)
+{
+ int rc;
+
+ sfc_log_init(sa, "entry");
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ switch (sa->state) {
+ case SFC_ADAPTER_CONFIGURED:
+ break;
+ case SFC_ADAPTER_STARTED:
+ sfc_info(sa, "already started");
+ return 0;
+ default:
+ rc = EINVAL;
+ goto fail_bad_state;
+ }
+
+ sa->state = SFC_ADAPTER_STARTING;
+
+ sfc_log_init(sa, "set resource limits");
+ rc = sfc_set_drv_limits(sa);
+ if (rc != 0)
+ goto fail_set_drv_limits;
+
+ sfc_log_init(sa, "init nic");
+ rc = efx_nic_init(sa->nic);
+ if (rc != 0)
+ goto fail_nic_init;
+
+ rc = sfc_intr_start(sa);
+ if (rc != 0)
+ goto fail_intr_start;
+
+ rc = sfc_ev_start(sa);
+ if (rc != 0)
+ goto fail_ev_start;
+
+ rc = sfc_port_start(sa);
+ if (rc != 0)
+ goto fail_port_start;
+
+ rc = sfc_rx_start(sa);
+ if (rc != 0)
+ goto fail_rx_start;
+
+ rc = sfc_tx_start(sa);
+ if (rc != 0)
+ goto fail_tx_start;
+
+ rc = sfc_flow_start(sa);
+ if (rc != 0)
+ goto fail_flows_insert;
+
+ sa->state = SFC_ADAPTER_STARTED;
+ sfc_log_init(sa, "done");
+ return 0;
+
+fail_flows_insert:
+ sfc_tx_stop(sa);
+
+fail_tx_start:
+ sfc_rx_stop(sa);
+
+fail_rx_start:
+ sfc_port_stop(sa);
+
+fail_port_start:
+ sfc_ev_stop(sa);
+
+fail_ev_start:
+ sfc_intr_stop(sa);
+
+fail_intr_start:
+ efx_nic_fini(sa->nic);
+
+fail_nic_init:
+fail_set_drv_limits:
+ sa->state = SFC_ADAPTER_CONFIGURED;
+fail_bad_state:
+ sfc_log_init(sa, "failed %d", rc);
+ return rc;
+}
+
+void
+sfc_stop(struct sfc_adapter *sa)
+{
+ sfc_log_init(sa, "entry");
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ switch (sa->state) {
+ case SFC_ADAPTER_STARTED:
+ break;
+ case SFC_ADAPTER_CONFIGURED:
+ sfc_info(sa, "already stopped");
+ return;
+ default:
+ sfc_err(sa, "stop in unexpected state %u", sa->state);
+ SFC_ASSERT(B_FALSE);
+ return;
+ }
+
+ sa->state = SFC_ADAPTER_STOPPING;
+
+ sfc_flow_stop(sa);
+ sfc_tx_stop(sa);
+ sfc_rx_stop(sa);
+ sfc_port_stop(sa);
+ sfc_ev_stop(sa);
+ sfc_intr_stop(sa);
+ efx_nic_fini(sa->nic);
+
+ sa->state = SFC_ADAPTER_CONFIGURED;
+ sfc_log_init(sa, "done");
+}
+
+int
+sfc_configure(struct sfc_adapter *sa)
+{
+ int rc;
+
+ sfc_log_init(sa, "entry");
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ SFC_ASSERT(sa->state == SFC_ADAPTER_INITIALIZED ||
+ sa->state == SFC_ADAPTER_CONFIGURED);
+ sa->state = SFC_ADAPTER_CONFIGURING;
+
+ rc = sfc_check_conf(sa);
+ if (rc != 0)
+ goto fail_check_conf;
+
+ rc = sfc_intr_configure(sa);
+ if (rc != 0)
+ goto fail_intr_configure;
+
+ rc = sfc_port_configure(sa);
+ if (rc != 0)
+ goto fail_port_configure;
+
+ rc = sfc_rx_configure(sa);
+ if (rc != 0)
+ goto fail_rx_configure;
+
+ rc = sfc_tx_configure(sa);
+ if (rc != 0)
+ goto fail_tx_configure;
+
+ sa->state = SFC_ADAPTER_CONFIGURED;
+ sfc_log_init(sa, "done");
+ return 0;
+
+fail_tx_configure:
+ sfc_rx_close(sa);
+
+fail_rx_configure:
+ sfc_port_close(sa);
+
+fail_port_configure:
+ sfc_intr_close(sa);
+
+fail_intr_configure:
+fail_check_conf:
+ sa->state = SFC_ADAPTER_INITIALIZED;
+ sfc_log_init(sa, "failed %d", rc);
+ return rc;
+}
+
+void
+sfc_close(struct sfc_adapter *sa)
+{
+ sfc_log_init(sa, "entry");
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ SFC_ASSERT(sa->state == SFC_ADAPTER_CONFIGURED);
+ sa->state = SFC_ADAPTER_CLOSING;
+
+ sfc_tx_close(sa);
+ sfc_rx_close(sa);
+ sfc_port_close(sa);
+ sfc_intr_close(sa);
+
+ sa->state = SFC_ADAPTER_INITIALIZED;
+ sfc_log_init(sa, "done");
+}
+
+static int
+sfc_mem_bar_init(struct sfc_adapter *sa)
+{
+ struct rte_eth_dev *eth_dev = sa->eth_dev;
+ struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(eth_dev);
+ efsys_bar_t *ebp = &sa->mem_bar;
+ unsigned int i;
+ struct rte_mem_resource *res;
+
+ for (i = 0; i < RTE_DIM(pci_dev->mem_resource); i++) {
+ res = &pci_dev->mem_resource[i];
+ if ((res->len != 0) && (res->phys_addr != 0)) {
+ /* Found first memory BAR */
+ SFC_BAR_LOCK_INIT(ebp, eth_dev->data->name);
+ ebp->esb_rid = i;
+ ebp->esb_dev = pci_dev;
+ ebp->esb_base = res->addr;
+ return 0;
+ }
+ }
+
+ return EFAULT;
+}
+
+static void
+sfc_mem_bar_fini(struct sfc_adapter *sa)
+{
+ efsys_bar_t *ebp = &sa->mem_bar;
+
+ SFC_BAR_LOCK_DESTROY(ebp);
+ memset(ebp, 0, sizeof(*ebp));
+}
+
+#if EFSYS_OPT_RX_SCALE
+/*
+ * A fixed RSS key which has a property of being symmetric
+ * (symmetrical flows are distributed to the same CPU)
+ * and also known to give a uniform distribution
+ * (a good distribution of traffic between different CPUs)
+ */
+static const uint8_t default_rss_key[SFC_RSS_KEY_SIZE] = {
+ 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a,
+ 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a,
+ 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a,
+ 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a,
+ 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a, 0x6d, 0x5a,
+};
+#endif
+
+static int
+sfc_set_rss_defaults(struct sfc_adapter *sa)
+{
+#if EFSYS_OPT_RX_SCALE
+ int rc;
+
+ rc = efx_intr_init(sa->nic, sa->intr.type, NULL);
+ if (rc != 0)
+ goto fail_intr_init;
+
+ rc = efx_ev_init(sa->nic);
+ if (rc != 0)
+ goto fail_ev_init;
+
+ rc = efx_rx_init(sa->nic);
+ if (rc != 0)
+ goto fail_rx_init;
+
+ rc = efx_rx_scale_support_get(sa->nic, &sa->rss_support);
+ if (rc != 0)
+ goto fail_scale_support_get;
+
+ rc = efx_rx_hash_support_get(sa->nic, &sa->hash_support);
+ if (rc != 0)
+ goto fail_hash_support_get;
+
+ efx_rx_fini(sa->nic);
+ efx_ev_fini(sa->nic);
+ efx_intr_fini(sa->nic);
+
+ sa->rss_hash_types = sfc_rte_to_efx_hash_type(SFC_RSS_OFFLOADS);
+
+ rte_memcpy(sa->rss_key, default_rss_key, sizeof(sa->rss_key));
+
+ return 0;
+
+fail_hash_support_get:
+fail_scale_support_get:
+fail_rx_init:
+ efx_ev_fini(sa->nic);
+
+fail_ev_init:
+ efx_intr_fini(sa->nic);
+
+fail_intr_init:
+ return rc;
+#else
+ return 0;
+#endif
+}
+
+int
+sfc_attach(struct sfc_adapter *sa)
+{
+ const efx_nic_cfg_t *encp;
+ efx_nic_t *enp = sa->nic;
+ int rc;
+
+ sfc_log_init(sa, "entry");
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ efx_mcdi_new_epoch(enp);
+
+ sfc_log_init(sa, "reset nic");
+ rc = efx_nic_reset(enp);
+ if (rc != 0)
+ goto fail_nic_reset;
+
+ encp = efx_nic_cfg_get(sa->nic);
+
+ if (sa->dp_tx->features & SFC_DP_TX_FEAT_TSO) {
+ sa->tso = encp->enc_fw_assisted_tso_v2_enabled;
+ if (!sa->tso)
+ sfc_warn(sa,
+ "TSO support isn't available on this adapter");
+ }
+
+ sfc_log_init(sa, "estimate resource limits");
+ rc = sfc_estimate_resource_limits(sa);
+ if (rc != 0)
+ goto fail_estimate_rsrc_limits;
+
+ sa->txq_max_entries = encp->enc_txq_max_ndescs;
+ SFC_ASSERT(rte_is_power_of_2(sa->txq_max_entries));
+
+ rc = sfc_intr_attach(sa);
+ if (rc != 0)
+ goto fail_intr_attach;
+
+ rc = sfc_ev_attach(sa);
+ if (rc != 0)
+ goto fail_ev_attach;
+
+ rc = sfc_port_attach(sa);
+ if (rc != 0)
+ goto fail_port_attach;
+
+ rc = sfc_set_rss_defaults(sa);
+ if (rc != 0)
+ goto fail_set_rss_defaults;
+
+ rc = sfc_filter_attach(sa);
+ if (rc != 0)
+ goto fail_filter_attach;
+
+ sfc_log_init(sa, "fini nic");
+ efx_nic_fini(enp);
+
+ sfc_flow_init(sa);
+
+ sa->state = SFC_ADAPTER_INITIALIZED;
+
+ sfc_log_init(sa, "done");
+ return 0;
+
+fail_filter_attach:
+fail_set_rss_defaults:
+ sfc_port_detach(sa);
+
+fail_port_attach:
+ sfc_ev_detach(sa);
+
+fail_ev_attach:
+ sfc_intr_detach(sa);
+
+fail_intr_attach:
+ efx_nic_fini(sa->nic);
+
+fail_estimate_rsrc_limits:
+fail_nic_reset:
+
+ sfc_log_init(sa, "failed %d", rc);
+ return rc;
+}
+
+void
+sfc_detach(struct sfc_adapter *sa)
+{
+ sfc_log_init(sa, "entry");
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ sfc_flow_fini(sa);
+
+ sfc_filter_detach(sa);
+ sfc_port_detach(sa);
+ sfc_ev_detach(sa);
+ sfc_intr_detach(sa);
+
+ sa->state = SFC_ADAPTER_UNINITIALIZED;
+}
+
+int
+sfc_probe(struct sfc_adapter *sa)
+{
+ struct rte_pci_device *pci_dev = SFC_DEV_TO_PCI(sa->eth_dev);
+ efx_nic_t *enp;
+ int rc;
+
+ sfc_log_init(sa, "entry");
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ sa->socket_id = rte_socket_id();
+
+ sfc_log_init(sa, "init mem bar");
+ rc = sfc_mem_bar_init(sa);
+ if (rc != 0)
+ goto fail_mem_bar_init;
+
+ sfc_log_init(sa, "get family");
+ rc = efx_family(pci_dev->id.vendor_id, pci_dev->id.device_id,
+ &sa->family);
+ if (rc != 0)
+ goto fail_family;
+ sfc_log_init(sa, "family is %u", sa->family);
+
+ sfc_log_init(sa, "create nic");
+ rte_spinlock_init(&sa->nic_lock);
+ rc = efx_nic_create(sa->family, (efsys_identifier_t *)sa,
+ &sa->mem_bar, &sa->nic_lock, &enp);
+ if (rc != 0)
+ goto fail_nic_create;
+ sa->nic = enp;
+
+ rc = sfc_mcdi_init(sa);
+ if (rc != 0)
+ goto fail_mcdi_init;
+
+ sfc_log_init(sa, "probe nic");
+ rc = efx_nic_probe(enp);
+ if (rc != 0)
+ goto fail_nic_probe;
+
+ sfc_log_init(sa, "done");
+ return 0;
+
+fail_nic_probe:
+ sfc_mcdi_fini(sa);
+
+fail_mcdi_init:
+ sfc_log_init(sa, "destroy nic");
+ sa->nic = NULL;
+ efx_nic_destroy(enp);
+
+fail_nic_create:
+fail_family:
+ sfc_mem_bar_fini(sa);
+
+fail_mem_bar_init:
+ sfc_log_init(sa, "failed %d", rc);
+ return rc;
+}
+
+void
+sfc_unprobe(struct sfc_adapter *sa)
+{
+ efx_nic_t *enp = sa->nic;
+
+ sfc_log_init(sa, "entry");
+
+ SFC_ASSERT(sfc_adapter_is_locked(sa));
+
+ sfc_log_init(sa, "unprobe nic");
+ efx_nic_unprobe(enp);
+
+ sfc_mcdi_fini(sa);
+
+ sfc_log_init(sa, "destroy nic");
+ sa->nic = NULL;
+ efx_nic_destroy(enp);
+
+ sfc_mem_bar_fini(sa);
+
+ sfc_flow_fini(sa);
+ sa->state = SFC_ADAPTER_UNINITIALIZED;
+}
Code Review / deb_dpdk.git / blobdiff