- xd->flags |= DPDK_DEVICE_FLAG_PMD;
-
- /* workaround for drivers not setting driver_name */
- if ((!dev_info.driver_name) && (pci_dev))
- dev_info.driver_name = pci_dev->driver->driver.name;
-
- ASSERT (dev_info.driver_name);
-
- if (!xd->pmd)
- {
-
-
-#define _(s,f) else if (dev_info.driver_name && \
- !strcmp(dev_info.driver_name, s)) \
- xd->pmd = VNET_DPDK_PMD_##f;
- if (0)
- ;
- foreach_dpdk_pmd
-#undef _
- else
- xd->pmd = VNET_DPDK_PMD_UNKNOWN;
-
- xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
- xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
- xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
-
- switch (xd->pmd)
- {
- /* Drivers with valid speed_capa set */
- case VNET_DPDK_PMD_I40E:
- xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
- case VNET_DPDK_PMD_E1000EM:
- case VNET_DPDK_PMD_IGB:
- case VNET_DPDK_PMD_IXGBE:
- case VNET_DPDK_PMD_ICE:
- xd->port_type = port_type_from_speed_capa (&dev_info);
- xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
- VNET_FLOW_ACTION_REDIRECT_TO_NODE |
- VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
- VNET_FLOW_ACTION_BUFFER_ADVANCE |
- VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP |
- VNET_FLOW_ACTION_RSS;
-
- if (dm->conf->no_tx_checksum_offload == 0)
- {
- xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
- xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
- xd->flags |=
- DPDK_DEVICE_FLAG_TX_OFFLOAD |
- DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
- }
-
- xd->port_conf.intr_conf.rxq = 1;
- break;
- case VNET_DPDK_PMD_CXGBE:
- case VNET_DPDK_PMD_MLX4:
- case VNET_DPDK_PMD_MLX5:
- case VNET_DPDK_PMD_QEDE:
- case VNET_DPDK_PMD_BNXT:
- xd->port_type = port_type_from_speed_capa (&dev_info);
- break;
-
- /* SR-IOV VFs */
- case VNET_DPDK_PMD_I40EVF:
- xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
- case VNET_DPDK_PMD_IGBVF:
- case VNET_DPDK_PMD_IXGBEVF:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
- if (dm->conf->no_tx_checksum_offload == 0)
- {
- xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
- xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
- xd->flags |=
- DPDK_DEVICE_FLAG_TX_OFFLOAD |
- DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
- }
- /* sDPDK bug in multiqueue... */
- /* xd->port_conf.intr_conf.rxq = 1; */
- break;
-
- /* iAVF */
- case VNET_DPDK_PMD_IAVF:
- xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
- xd->supported_flow_actions =
- VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
- VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
- VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
- VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
-
- if (dm->conf->no_tx_checksum_offload == 0)
- {
- xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
- xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
- xd->flags |=
- DPDK_DEVICE_FLAG_TX_OFFLOAD |
- DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
- }
- xd->port_conf.intr_conf.rxq = 1;
- break;
-
- case VNET_DPDK_PMD_THUNDERX:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
-
- if (dm->conf->no_tx_checksum_offload == 0)
- {
- xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
- xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
- xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
- }
- break;
-
- case VNET_DPDK_PMD_ENA:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
- xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
- xd->port_conf.intr_conf.rxq = 1;
- break;
-
- case VNET_DPDK_PMD_DPAA2:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
- break;
-
- /* Cisco VIC */
- case VNET_DPDK_PMD_ENIC:
- {
- struct rte_eth_link l;
- rte_eth_link_get_nowait (i, &l);
- xd->port_type = port_type_from_link_speed (l.link_speed);
- if (dm->conf->enable_tcp_udp_checksum)
- dpdk_enable_l4_csum_offload (xd);
- }
- break;
-
- /* Intel Red Rock Canyon */
- case VNET_DPDK_PMD_FM10K:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
- break;
-
- /* virtio */
- case VNET_DPDK_PMD_VIRTIO:
- xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
- xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
- xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
- break;
-
- /* vmxnet3 */
- case VNET_DPDK_PMD_VMXNET3:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
- xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
- break;
-
- case VNET_DPDK_PMD_AF_PACKET:
- xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
- xd->af_packet_instance_num = af_packet_instance_num++;
- break;
-
- case VNET_DPDK_PMD_VIRTIO_USER:
- xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
- break;
-
- case VNET_DPDK_PMD_VHOST_ETHER:
- xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
- break;
-
- case VNET_DPDK_PMD_LIOVF_ETHER:
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
- break;
-
- case VNET_DPDK_PMD_FAILSAFE:
- xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
- xd->port_conf.intr_conf.lsc = 1;
- break;
-
- case VNET_DPDK_PMD_NETVSC:
- {
- struct rte_eth_link l;
- rte_eth_link_get_nowait (i, &l);
- xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
- }
- break;
-
- default:
- xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
- }
-
- if (devconf->num_rx_desc)
- xd->nb_rx_desc = devconf->num_rx_desc;
- else {
-
- /* If num_rx_desc is not specified by VPP user, the current CPU is working
- with 2M page and has no L3 cache, default num_rx_desc is changed to 512
- from original 1024 to help reduce TLB misses.
- */
- if ((clib_mem_get_default_hugepage_size () == 2 << 20)
- && check_l3cache() == 0)
- xd->nb_rx_desc = 512;
- }
-
- if (devconf->num_tx_desc)
- xd->nb_tx_desc = devconf->num_tx_desc;
- else {
-
- /* If num_tx_desc is not specified by VPP user, the current CPU is working
- with 2M page and has no L3 cache, default num_tx_desc is changed to 512
- from original 1024 to help reduce TLB misses.
- */
- if ((clib_mem_get_default_hugepage_size () == 2 << 20)
- && check_l3cache() == 0)
- xd->nb_tx_desc = 512;
- }
- }
-
- if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
- {
- f64 now = vlib_time_now (vm);
- u32 rnd;
- rnd = (u32) (now * 1e6);
- rnd = random_u32 (&rnd);
- clib_memcpy (addr + 2, &rnd, sizeof (rnd));
- addr[0] = 2;
- addr[1] = 0xfe;
- }
- else
- rte_eth_macaddr_get (i, (void *) addr);
-
- xd->port_id = i;
- xd->device_index = xd - dm->devices;
- xd->per_interface_next_index = ~0;
-
- /* assign interface to input thread */
- int q;
-
- error = ethernet_register_interface
- (dm->vnet_main, dpdk_device_class.index, xd->device_index,
- /* ethernet address */ addr,
- &xd->hw_if_index, dpdk_flag_change);
- if (error)
- return error;
-
- /*
- * Ensure default mtu is not > the mtu read from the hardware.
- * Otherwise rte_eth_dev_configure() will fail and the port will
- * not be available.
- * Calculate max_frame_size and mtu supported by NIC
- */
- if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
- {
- /*
- * This device does not support the platforms's max frame
- * size. Use it's advertised mru instead.
- */
- max_rx_frame = dev_info.max_rx_pktlen;
- mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
- }