+ return 0;
+}
+
+/* There's only one register for VxLAN UDP port.
+ * So, we cannot add several ports. Will update it.
+ */
+static int
+ixgbe_add_vxlan_port(struct ixgbe_hw *hw,
+ uint16_t port)
+{
+ if (port == 0) {
+ PMD_DRV_LOG(ERR, "Add VxLAN port 0 is not allowed.");
+ return -EINVAL;
+ }
+
+ return ixgbe_update_vxlan_port(hw, port);
+}
+
+/* We cannot delete the VxLAN port. For there's a register for VxLAN
+ * UDP port, it must have a value.
+ * So, will reset it to the original value 0.
+ */
+static int
+ixgbe_del_vxlan_port(struct ixgbe_hw *hw,
+ uint16_t port)
+{
+ uint16_t cur_port;
+
+ cur_port = (uint16_t)IXGBE_READ_REG(hw, IXGBE_VXLANCTRL);
+
+ if (cur_port != port) {
+ PMD_DRV_LOG(ERR, "Port %u does not exist.", port);
+ return -EINVAL;
+ }
+
+ return ixgbe_update_vxlan_port(hw, 0);
+}
+
+/* Add UDP tunneling port */
+static int
+ixgbe_dev_udp_tunnel_port_add(struct rte_eth_dev *dev,
+ struct rte_eth_udp_tunnel *udp_tunnel)
+{
+ int ret = 0;
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (hw->mac.type != ixgbe_mac_X550 &&
+ hw->mac.type != ixgbe_mac_X550EM_x &&
+ hw->mac.type != ixgbe_mac_X550EM_a) {
+ return -ENOTSUP;
+ }
+
+ if (udp_tunnel == NULL)
+ return -EINVAL;
+
+ switch (udp_tunnel->prot_type) {
+ case RTE_TUNNEL_TYPE_VXLAN:
+ ret = ixgbe_add_vxlan_port(hw, udp_tunnel->udp_port);
+ break;
+
+ case RTE_TUNNEL_TYPE_GENEVE:
+ case RTE_TUNNEL_TYPE_TEREDO:
+ PMD_DRV_LOG(ERR, "Tunnel type is not supported now.");
+ ret = -EINVAL;
+ break;
+
+ default:
+ PMD_DRV_LOG(ERR, "Invalid tunnel type");
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+/* Remove UDP tunneling port */
+static int
+ixgbe_dev_udp_tunnel_port_del(struct rte_eth_dev *dev,
+ struct rte_eth_udp_tunnel *udp_tunnel)
+{
+ int ret = 0;
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ if (hw->mac.type != ixgbe_mac_X550 &&
+ hw->mac.type != ixgbe_mac_X550EM_x &&
+ hw->mac.type != ixgbe_mac_X550EM_a) {
+ return -ENOTSUP;
+ }
+
+ if (udp_tunnel == NULL)
+ return -EINVAL;
+
+ switch (udp_tunnel->prot_type) {
+ case RTE_TUNNEL_TYPE_VXLAN:
+ ret = ixgbe_del_vxlan_port(hw, udp_tunnel->udp_port);
+ break;
+ case RTE_TUNNEL_TYPE_GENEVE:
+ case RTE_TUNNEL_TYPE_TEREDO:
+ PMD_DRV_LOG(ERR, "Tunnel type is not supported now.");
+ ret = -EINVAL;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Invalid tunnel type");
+ ret = -EINVAL;
+ break;
+ }
+
+ return ret;
+}
+
+/* ixgbevf_update_xcast_mode - Update Multicast mode
+ * @hw: pointer to the HW structure
+ * @netdev: pointer to net device structure
+ * @xcast_mode: new multicast mode
+ *
+ * Updates the Multicast Mode of VF.
+ */
+static int ixgbevf_update_xcast_mode(struct ixgbe_hw *hw,
+ int xcast_mode)
+{
+ struct ixgbe_mbx_info *mbx = &hw->mbx;
+ u32 msgbuf[2];
+ s32 err;
+
+ switch (hw->api_version) {
+ case ixgbe_mbox_api_12:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ msgbuf[0] = IXGBE_VF_UPDATE_XCAST_MODE;
+ msgbuf[1] = xcast_mode;
+
+ err = mbx->ops.write_posted(hw, msgbuf, 2, 0);
+ if (err)
+ return err;
+
+ err = mbx->ops.read_posted(hw, msgbuf, 2, 0);
+ if (err)
+ return err;
+
+ msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
+ if (msgbuf[0] == (IXGBE_VF_UPDATE_XCAST_MODE | IXGBE_VT_MSGTYPE_NACK))
+ return -EPERM;
+
+ return 0;
+}
+
+static void
+ixgbevf_dev_allmulticast_enable(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ ixgbevf_update_xcast_mode(hw, IXGBEVF_XCAST_MODE_ALLMULTI);
+}
+
+static void
+ixgbevf_dev_allmulticast_disable(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+ ixgbevf_update_xcast_mode(hw, IXGBEVF_XCAST_MODE_NONE);
+}
+
+static void ixgbevf_mbx_process(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ u32 in_msg = 0;
+
+ if (ixgbe_read_mbx(hw, &in_msg, 1, 0))
+ return;
+
+ /* PF reset VF event */
+ if (in_msg == IXGBE_PF_CONTROL_MSG)
+ _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET);
+}
+
+static int
+ixgbevf_dev_interrupt_get_status(struct rte_eth_dev *dev)
+{
+ uint32_t eicr;
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct ixgbe_interrupt *intr =
+ IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+ ixgbevf_intr_disable(hw);
+
+ /* read-on-clear nic registers here */
+ eicr = IXGBE_READ_REG(hw, IXGBE_VTEICR);
+ intr->flags = 0;
+
+ /* only one misc vector supported - mailbox */
+ eicr &= IXGBE_VTEICR_MASK;
+ if (eicr == IXGBE_MISC_VEC_ID)
+ intr->flags |= IXGBE_FLAG_MAILBOX;
+
+ return 0;
+}
+
+static int
+ixgbevf_dev_interrupt_action(struct rte_eth_dev *dev)
+{
+ struct ixgbe_hw *hw = IXGBE_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+ struct ixgbe_interrupt *intr =
+ IXGBE_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+
+ if (intr->flags & IXGBE_FLAG_MAILBOX) {
+ ixgbevf_mbx_process(dev);
+ intr->flags &= ~IXGBE_FLAG_MAILBOX;
+ }
+
+ ixgbevf_intr_enable(hw);
+
+ return 0;
+}
+
+static void
+ixgbevf_dev_interrupt_handler(__rte_unused struct rte_intr_handle *handle,
+ void *param)
+{
+ struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
+
+ ixgbevf_dev_interrupt_get_status(dev);
+ ixgbevf_dev_interrupt_action(dev);
+}