+/* Unload the driver, release resources */
+static int bnxt_dev_stop_op(struct rte_eth_dev *eth_dev)
+{
+ struct bnxt *bp = eth_dev->data->dev_private;
+
+ pthread_mutex_lock(&bp->err_recovery_lock);
+ if (bp->flags & BNXT_FLAG_FW_RESET) {
+ PMD_DRV_LOG(ERR,
+ "Adapter recovering from error..Please retry\n");
+ pthread_mutex_unlock(&bp->err_recovery_lock);
+ return -EAGAIN;
+ }
+ pthread_mutex_unlock(&bp->err_recovery_lock);
+
+ return bnxt_dev_stop(eth_dev);
+}
+
+static int bnxt_dev_start_op(struct rte_eth_dev *eth_dev)
+{
+ struct bnxt *bp = eth_dev->data->dev_private;
+ uint64_t rx_offloads = eth_dev->data->dev_conf.rxmode.offloads;
+ int vlan_mask = 0;
+ int rc, retry_cnt = BNXT_IF_CHANGE_RETRY_COUNT;
+
+ if (!eth_dev->data->nb_tx_queues || !eth_dev->data->nb_rx_queues) {
+ PMD_DRV_LOG(ERR, "Queues are not configured yet!\n");
+ return -EINVAL;
+ }
+
+ if (bp->rx_cp_nr_rings > RTE_ETHDEV_QUEUE_STAT_CNTRS)
+ PMD_DRV_LOG(ERR,
+ "RxQ cnt %d > RTE_ETHDEV_QUEUE_STAT_CNTRS %d\n",
+ bp->rx_cp_nr_rings, RTE_ETHDEV_QUEUE_STAT_CNTRS);
+
+ do {
+ rc = bnxt_hwrm_if_change(bp, true);
+ if (rc == 0 || rc != -EAGAIN)
+ break;
+
+ rte_delay_ms(BNXT_IF_CHANGE_RETRY_INTERVAL);
+ } while (retry_cnt--);
+
+ if (rc)
+ return rc;
+
+ if (bp->flags & BNXT_FLAG_IF_CHANGE_HOT_FW_RESET_DONE) {
+ rc = bnxt_handle_if_change_status(bp);
+ if (rc)
+ return rc;
+ }
+
+ bnxt_enable_int(bp);
+
+ eth_dev->data->scattered_rx = bnxt_scattered_rx(eth_dev);
+
+ rc = bnxt_start_nic(bp);
+ if (rc)
+ goto error;
+
+ eth_dev->data->dev_started = 1;
+
+ bnxt_link_update_op(eth_dev, 1);
+
+ if (rx_offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
+ vlan_mask |= ETH_VLAN_FILTER_MASK;
+ if (rx_offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
+ vlan_mask |= ETH_VLAN_STRIP_MASK;
+ rc = bnxt_vlan_offload_set_op(eth_dev, vlan_mask);
+ if (rc)
+ goto error;
+
+ /* Initialize bnxt ULP port details */
+ rc = bnxt_ulp_port_init(bp);
+ if (rc)
+ goto error;
+
+ eth_dev->rx_pkt_burst = bnxt_receive_function(eth_dev);
+ eth_dev->tx_pkt_burst = bnxt_transmit_function(eth_dev);
+
+ bnxt_schedule_fw_health_check(bp);
+
+ if (BNXT_P5_PTP_TIMESYNC_ENABLED(bp))
+ bnxt_schedule_ptp_alarm(bp);
+
+ return 0;
+
+error:
+ bnxt_dev_stop(eth_dev);
+ return rc;
+}
+