+static int
+i40e_dev_get_filter_type(uint16_t filter_type, uint16_t *flag)
+{
+ switch (filter_type) {
+ case RTE_TUNNEL_FILTER_IMAC_IVLAN:
+ *flag = I40E_AQC_ADD_CLOUD_FILTER_IMAC_IVLAN;
+ break;
+ case RTE_TUNNEL_FILTER_IMAC_IVLAN_TENID:
+ *flag = I40E_AQC_ADD_CLOUD_FILTER_IMAC_IVLAN_TEN_ID;
+ break;
+ case RTE_TUNNEL_FILTER_IMAC_TENID:
+ *flag = I40E_AQC_ADD_CLOUD_FILTER_IMAC_TEN_ID;
+ break;
+ case RTE_TUNNEL_FILTER_OMAC_TENID_IMAC:
+ *flag = I40E_AQC_ADD_CLOUD_FILTER_OMAC_TEN_ID_IMAC;
+ break;
+ case ETH_TUNNEL_FILTER_IMAC:
+ *flag = I40E_AQC_ADD_CLOUD_FILTER_IMAC;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "invalid tunnel filter type");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int
+i40e_dev_tunnel_filter_set(struct i40e_pf *pf,
+ struct rte_eth_tunnel_filter_conf *tunnel_filter,
+ uint8_t add)
+{
+ uint16_t ip_type;
+ uint8_t tun_type = 0;
+ int val, ret = 0;
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ struct i40e_vsi *vsi = pf->main_vsi;
+ struct i40e_aqc_add_remove_cloud_filters_element_data *cld_filter;
+ struct i40e_aqc_add_remove_cloud_filters_element_data *pfilter;
+
+ cld_filter = rte_zmalloc("tunnel_filter",
+ sizeof(struct i40e_aqc_add_remove_cloud_filters_element_data),
+ 0);
+
+ if (NULL == cld_filter) {
+ PMD_DRV_LOG(ERR, "Failed to alloc memory.");
+ return -EINVAL;
+ }
+ pfilter = cld_filter;
+
+ (void)rte_memcpy(&pfilter->outer_mac, tunnel_filter->outer_mac,
+ sizeof(struct ether_addr));
+ (void)rte_memcpy(&pfilter->inner_mac, tunnel_filter->inner_mac,
+ sizeof(struct ether_addr));
+
+ pfilter->inner_vlan = tunnel_filter->inner_vlan;
+ if (tunnel_filter->ip_type == RTE_TUNNEL_IPTYPE_IPV4) {
+ ip_type = I40E_AQC_ADD_CLOUD_FLAGS_IPV4;
+ (void)rte_memcpy(&pfilter->ipaddr.v4.data,
+ &tunnel_filter->ip_addr,
+ sizeof(pfilter->ipaddr.v4.data));
+ } else {
+ ip_type = I40E_AQC_ADD_CLOUD_FLAGS_IPV6;
+ (void)rte_memcpy(&pfilter->ipaddr.v6.data,
+ &tunnel_filter->ip_addr,
+ sizeof(pfilter->ipaddr.v6.data));
+ }
+
+ /* check tunneled type */
+ switch (tunnel_filter->tunnel_type) {
+ case RTE_TUNNEL_TYPE_VXLAN:
+ tun_type = I40E_AQC_ADD_CLOUD_TNL_TYPE_XVLAN;
+ break;
+ default:
+ /* Other tunnel types is not supported. */
+ PMD_DRV_LOG(ERR, "tunnel type is not supported.");
+ rte_free(cld_filter);
+ return -EINVAL;
+ }
+
+ val = i40e_dev_get_filter_type(tunnel_filter->filter_type,
+ &pfilter->flags);
+ if (val < 0) {
+ rte_free(cld_filter);
+ return -EINVAL;
+ }
+
+ pfilter->flags |= I40E_AQC_ADD_CLOUD_FLAGS_TO_QUEUE | ip_type |
+ (tun_type << I40E_AQC_ADD_CLOUD_TNL_TYPE_SHIFT);
+ pfilter->tenant_id = tunnel_filter->tenant_id;
+ pfilter->queue_number = tunnel_filter->queue_id;
+
+ if (add)
+ ret = i40e_aq_add_cloud_filters(hw, vsi->seid, cld_filter, 1);
+ else
+ ret = i40e_aq_remove_cloud_filters(hw, vsi->seid,
+ cld_filter, 1);
+
+ rte_free(cld_filter);
+ return ret;
+}
+
+static int
+i40e_get_vxlan_port_idx(struct i40e_pf *pf, uint16_t port)
+{
+ uint8_t i;
+
+ for (i = 0; i < I40E_MAX_PF_UDP_OFFLOAD_PORTS; i++) {
+ if (pf->vxlan_ports[i] == port)
+ return i;
+ }
+
+ return -1;
+}
+
+static int
+i40e_add_vxlan_port(struct i40e_pf *pf, uint16_t port)
+{
+ int idx, ret;
+ uint8_t filter_idx;
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+
+ idx = i40e_get_vxlan_port_idx(pf, port);
+
+ /* Check if port already exists */
+ if (idx >= 0) {
+ PMD_DRV_LOG(ERR, "Port %d already offloaded", port);
+ return -EINVAL;
+ }
+
+ /* Now check if there is space to add the new port */
+ idx = i40e_get_vxlan_port_idx(pf, 0);
+ if (idx < 0) {
+ PMD_DRV_LOG(ERR, "Maximum number of UDP ports reached,"
+ "not adding port %d", port);
+ return -ENOSPC;
+ }
+
+ ret = i40e_aq_add_udp_tunnel(hw, port, I40E_AQC_TUNNEL_TYPE_VXLAN,
+ &filter_idx, NULL);
+ if (ret < 0) {
+ PMD_DRV_LOG(ERR, "Failed to add VXLAN UDP port %d", port);
+ return -1;
+ }
+
+ PMD_DRV_LOG(INFO, "Added port %d with AQ command with index %d",
+ port, filter_idx);
+
+ /* New port: add it and mark its index in the bitmap */
+ pf->vxlan_ports[idx] = port;
+ pf->vxlan_bitmap |= (1 << idx);
+
+ if (!(pf->flags & I40E_FLAG_VXLAN))
+ pf->flags |= I40E_FLAG_VXLAN;
+
+ return 0;
+}
+
+static int
+i40e_del_vxlan_port(struct i40e_pf *pf, uint16_t port)
+{
+ int idx;
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+
+ if (!(pf->flags & I40E_FLAG_VXLAN)) {
+ PMD_DRV_LOG(ERR, "VXLAN UDP port was not configured.");
+ return -EINVAL;
+ }
+
+ idx = i40e_get_vxlan_port_idx(pf, port);
+
+ if (idx < 0) {
+ PMD_DRV_LOG(ERR, "Port %d doesn't exist", port);
+ return -EINVAL;
+ }
+
+ if (i40e_aq_del_udp_tunnel(hw, idx, NULL) < 0) {
+ PMD_DRV_LOG(ERR, "Failed to delete VXLAN UDP port %d", port);
+ return -1;
+ }
+
+ PMD_DRV_LOG(INFO, "Deleted port %d with AQ command with index %d",
+ port, idx);
+
+ pf->vxlan_ports[idx] = 0;
+ pf->vxlan_bitmap &= ~(1 << idx);
+
+ if (!pf->vxlan_bitmap)
+ pf->flags &= ~I40E_FLAG_VXLAN;
+
+ return 0;
+}
+
+/* Add UDP tunneling port */
+static int
+i40e_dev_udp_tunnel_add(struct rte_eth_dev *dev,
+ struct rte_eth_udp_tunnel *udp_tunnel)
+{
+ int ret = 0;
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+
+ if (udp_tunnel == NULL)
+ return -EINVAL;
+
+ switch (udp_tunnel->prot_type) {
+ case RTE_TUNNEL_TYPE_VXLAN:
+ ret = i40e_add_vxlan_port(pf, 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 = -1;
+ break;
+
+ default:
+ PMD_DRV_LOG(ERR, "Invalid tunnel type");
+ ret = -1;
+ break;
+ }
+
+ return ret;
+}
+
+/* Remove UDP tunneling port */
+static int
+i40e_dev_udp_tunnel_del(struct rte_eth_dev *dev,
+ struct rte_eth_udp_tunnel *udp_tunnel)
+{
+ int ret = 0;
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+
+ if (udp_tunnel == NULL)
+ return -EINVAL;
+
+ switch (udp_tunnel->prot_type) {
+ case RTE_TUNNEL_TYPE_VXLAN:
+ ret = i40e_del_vxlan_port(pf, 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 = -1;
+ break;
+ default:
+ PMD_DRV_LOG(ERR, "Invalid tunnel type");
+ ret = -1;
+ break;
+ }
+
+ return ret;
+}
+
+/* Calculate the maximum number of contiguous PF queues that are configured */
+static int
+i40e_pf_calc_configured_queues_num(struct i40e_pf *pf)
+{
+ struct rte_eth_dev_data *data = pf->dev_data;
+ int i, num;
+ struct i40e_rx_queue *rxq;
+
+ num = 0;
+ for (i = 0; i < pf->lan_nb_qps; i++) {
+ rxq = data->rx_queues[i];
+ if (rxq && rxq->q_set)
+ num++;
+ else
+ break;
+ }
+
+ return num;
+}
+