+static void
+enetc_dev_close(struct rte_eth_dev *dev)
+{
+ uint16_t i;
+
+ PMD_INIT_FUNC_TRACE();
+ enetc_dev_stop(dev);
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ enetc_rx_queue_release(dev->data->rx_queues[i]);
+ dev->data->rx_queues[i] = NULL;
+ }
+ dev->data->nb_rx_queues = 0;
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ enetc_tx_queue_release(dev->data->tx_queues[i]);
+ dev->data->tx_queues[i] = NULL;
+ }
+ dev->data->nb_tx_queues = 0;
+}
+
+static void
+enetc_promiscuous_enable(struct rte_eth_dev *dev)
+{
+ struct enetc_eth_hw *hw =
+ ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct enetc_hw *enetc_hw = &hw->hw;
+ uint32_t psipmr = 0;
+
+ psipmr = enetc_port_rd(enetc_hw, ENETC_PSIPMR);
+
+ /* Setting to enable promiscuous mode*/
+ psipmr |= ENETC_PSIPMR_SET_UP(0) | ENETC_PSIPMR_SET_MP(0);
+
+ enetc_port_wr(enetc_hw, ENETC_PSIPMR, psipmr);
+}
+
+static void
+enetc_promiscuous_disable(struct rte_eth_dev *dev)
+{
+ struct enetc_eth_hw *hw =
+ ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct enetc_hw *enetc_hw = &hw->hw;
+ uint32_t psipmr = 0;
+
+ /* Setting to disable promiscuous mode for SI0*/
+ psipmr = enetc_port_rd(enetc_hw, ENETC_PSIPMR);
+ psipmr &= (~ENETC_PSIPMR_SET_UP(0));
+
+ if (dev->data->all_multicast == 0)
+ psipmr &= (~ENETC_PSIPMR_SET_MP(0));
+
+ enetc_port_wr(enetc_hw, ENETC_PSIPMR, psipmr);
+}
+
+static void
+enetc_allmulticast_enable(struct rte_eth_dev *dev)
+{
+ struct enetc_eth_hw *hw =
+ ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct enetc_hw *enetc_hw = &hw->hw;
+ uint32_t psipmr = 0;
+
+ psipmr = enetc_port_rd(enetc_hw, ENETC_PSIPMR);
+
+ /* Setting to enable allmulticast mode for SI0*/
+ psipmr |= ENETC_PSIPMR_SET_MP(0);
+
+ enetc_port_wr(enetc_hw, ENETC_PSIPMR, psipmr);
+}
+
+static void
+enetc_allmulticast_disable(struct rte_eth_dev *dev)
+{
+ struct enetc_eth_hw *hw =
+ ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct enetc_hw *enetc_hw = &hw->hw;
+ uint32_t psipmr = 0;
+
+ if (dev->data->promiscuous == 1)
+ return; /* must remain in all_multicast mode */
+
+ /* Setting to disable all multicast mode for SI0*/
+ psipmr = enetc_port_rd(enetc_hw, ENETC_PSIPMR) &
+ ~(ENETC_PSIPMR_SET_MP(0));
+
+ enetc_port_wr(enetc_hw, ENETC_PSIPMR, psipmr);
+}
+
+static int
+enetc_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+ struct enetc_eth_hw *hw =
+ ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct enetc_hw *enetc_hw = &hw->hw;
+ uint32_t frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+
+ /* check that mtu is within the allowed range */
+ if (mtu < ENETC_MAC_MINFRM_SIZE || frame_size > ENETC_MAC_MAXFRM_SIZE)
+ return -EINVAL;
+
+ /*
+ * Refuse mtu that requires the support of scattered packets
+ * when this feature has not been enabled before.
+ */
+ if (dev->data->min_rx_buf_size &&
+ !dev->data->scattered_rx && frame_size >
+ dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM) {
+ ENETC_PMD_ERR("SG not enabled, will not fit in one buffer");
+ return -EINVAL;
+ }
+
+ if (frame_size > ETHER_MAX_LEN)
+ dev->data->dev_conf.rxmode.offloads &=
+ DEV_RX_OFFLOAD_JUMBO_FRAME;
+ else
+ dev->data->dev_conf.rxmode.offloads &=
+ ~DEV_RX_OFFLOAD_JUMBO_FRAME;
+
+ enetc_port_wr(enetc_hw, ENETC_PTCMSDUR(0), ENETC_MAC_MAXFRM_SIZE);
+ enetc_port_wr(enetc_hw, ENETC_PTXMBAR, 2 * ENETC_MAC_MAXFRM_SIZE);
+
+ dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
+
+ /*setting the MTU*/
+ enetc_port_wr(enetc_hw, ENETC_PM0_MAXFRM, ENETC_SET_MAXFRM(frame_size) |
+ ENETC_SET_TX_MTU(ENETC_MAC_MAXFRM_SIZE));
+
+ return 0;
+}
+
+static int
+enetc_dev_configure(struct rte_eth_dev *dev)
+{
+ struct rte_eth_conf *eth_conf = &dev->data->dev_conf;
+ uint64_t rx_offloads = eth_conf->rxmode.offloads;
+ struct enetc_eth_hw *hw =
+ ENETC_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct enetc_hw *enetc_hw = &hw->hw;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (rx_offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
+ uint32_t max_len;
+
+ max_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
+
+ enetc_port_wr(enetc_hw, ENETC_PM0_MAXFRM,
+ ENETC_SET_MAXFRM(max_len));
+ enetc_port_wr(enetc_hw, ENETC_PTCMSDUR(0),
+ ENETC_MAC_MAXFRM_SIZE);
+ enetc_port_wr(enetc_hw, ENETC_PTXMBAR,
+ 2 * ENETC_MAC_MAXFRM_SIZE);
+ dev->data->mtu = ETHER_MAX_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN;
+ }
+
+ return 0;
+}
+
+/*
+ * The set of PCI devices this driver supports
+ */
+static const struct rte_pci_id pci_id_enetc_map[] = {
+ { RTE_PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, ENETC_DEV_ID) },
+ { RTE_PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, ENETC_DEV_ID_VF) },
+ { .vendor_id = 0, /* sentinel */ },
+};
+
+/* Features supported by this driver */
+static const struct eth_dev_ops enetc_ops = {
+ .dev_configure = enetc_dev_configure,
+ .dev_start = enetc_dev_start,
+ .dev_stop = enetc_dev_stop,
+ .dev_close = enetc_dev_close,
+ .link_update = enetc_link_update,
+ .stats_get = enetc_stats_get,
+ .stats_reset = enetc_stats_reset,
+ .promiscuous_enable = enetc_promiscuous_enable,
+ .promiscuous_disable = enetc_promiscuous_disable,
+ .allmulticast_enable = enetc_allmulticast_enable,
+ .allmulticast_disable = enetc_allmulticast_disable,
+ .dev_infos_get = enetc_dev_infos_get,
+ .mtu_set = enetc_mtu_set,
+ .rx_queue_setup = enetc_rx_queue_setup,
+ .rx_queue_release = enetc_rx_queue_release,
+ .tx_queue_setup = enetc_tx_queue_setup,
+ .tx_queue_release = enetc_tx_queue_release,
+ .dev_supported_ptypes_get = enetc_supported_ptypes_get,
+};
+
+/**
+ * Initialisation of the enetc device
+ *
+ * @param eth_dev
+ * - Pointer to the structure rte_eth_dev
+ *
+ * @return
+ * - On success, zero.
+ * - On failure, negative value.
+ */
+static int
+enetc_dev_init(struct rte_eth_dev *eth_dev)
+{
+ int error = 0;
+ struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+ struct enetc_eth_hw *hw =
+ ENETC_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+
+ PMD_INIT_FUNC_TRACE();
+ eth_dev->dev_ops = &enetc_ops;
+ eth_dev->rx_pkt_burst = &enetc_recv_pkts;
+ eth_dev->tx_pkt_burst = &enetc_xmit_pkts;
+
+ /* Retrieving and storing the HW base address of device */
+ hw->hw.reg = (void *)pci_dev->mem_resource[0].addr;
+ hw->device_id = pci_dev->id.device_id;
+
+ error = enetc_hardware_init(hw);
+ if (error != 0) {
+ ENETC_PMD_ERR("Hardware initialization failed");
+ return -1;
+ }
+
+ /* Allocate memory for storing MAC addresses */
+ eth_dev->data->mac_addrs = rte_zmalloc("enetc_eth", ETHER_ADDR_LEN, 0);
+ if (!eth_dev->data->mac_addrs) {
+ ENETC_PMD_ERR("Failed to allocate %d bytes needed to "
+ "store MAC addresses",
+ ETHER_ADDR_LEN * 1);
+ error = -ENOMEM;
+ return -1;
+ }
+
+ /* Copy the permanent MAC address */
+ ether_addr_copy((struct ether_addr *)hw->mac.addr,
+ ð_dev->data->mac_addrs[0]);
+
+ /* Set MTU */
+ enetc_port_wr(&hw->hw, ENETC_PM0_MAXFRM,
+ ENETC_SET_MAXFRM(ETHER_MAX_LEN));
+ eth_dev->data->mtu = ETHER_MAX_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN;
+
+ ENETC_PMD_DEBUG("port_id %d vendorID=0x%x deviceID=0x%x",
+ eth_dev->data->port_id, pci_dev->id.vendor_id,
+ pci_dev->id.device_id);
+ return 0;
+}
+
+static int
+enetc_dev_uninit(struct rte_eth_dev *eth_dev __rte_unused)
+{
+ PMD_INIT_FUNC_TRACE();
+ return 0;
+}
+