+ 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;
+
+ /*
+ * Probed NIC is sufficient for tunnel init.
+ * Initialize tunnel support to be able to use libefx
+ * efx_tunnel_config_udp_{add,remove}() in any state and
+ * efx_tunnel_reconfigure() on start up.
+ */
+ rc = efx_tunnel_init(enp);
+ if (rc != 0)
+ goto fail_tunnel_init;
+
+ 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_tunnel_init:
+ efx_tunnel_fini(sa->nic);
+
+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);
+ efx_tunnel_fini(sa->nic);
+
+ sa->state = SFC_ADAPTER_UNINITIALIZED;
+}
+
+int
+sfc_probe(struct sfc_adapter *sa)
+{
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(sa->eth_dev);