/* * Copyright (c) 2015 Cisco and/or its affiliates. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <vnet/vnet.h> #include <vppinfra/vec.h> #include <vppinfra/error.h> #include <vppinfra/format.h> #include <vppinfra/bitmap.h> #include <vppinfra/linux/sysfs.h> #include <vlib/unix/unix.h> #include <vnet/ethernet/ethernet.h> #include <dpdk/device/dpdk.h> #include <vlib/pci/pci.h> #include <rte_ring.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include <sys/stat.h> #include <sys/mount.h> #include <string.h> #include <fcntl.h> #include <dpdk/device/dpdk_priv.h> dpdk_main_t dpdk_main; dpdk_config_main_t dpdk_config_main; #define LINK_STATE_ELOGS 0 /* Port configuration, mildly modified Intel app values */ static struct rte_eth_conf port_conf_template = { .rxmode = { .split_hdr_size = 0, .header_split = 0, /**< Header Split disabled */ .hw_ip_checksum = 0, /**< IP checksum offload disabled */ .hw_vlan_filter = 0, /**< VLAN filtering disabled */ .hw_strip_crc = 0, /**< CRC stripped by hardware */ }, .txmode = { .mq_mode = ETH_MQ_TX_NONE, }, }; static dpdk_port_type_t port_type_from_speed_capa (struct rte_eth_dev_info *dev_info) { if (dev_info->speed_capa & ETH_LINK_SPEED_100G) return VNET_DPDK_PORT_TYPE_ETH_100G; else if (dev_info->speed_capa & ETH_LINK_SPEED_50G) return VNET_DPDK_PORT_TYPE_ETH_50G; else if (dev_info->speed_capa & ETH_LINK_SPEED_40G) return VNET_DPDK_PORT_TYPE_ETH_40G; else if (dev_info->speed_capa & ETH_LINK_SPEED_25G) return VNET_DPDK_PORT_TYPE_ETH_25G; else if (dev_info->speed_capa & ETH_LINK_SPEED_10G) return VNET_DPDK_PORT_TYPE_ETH_10G; else if (dev_info->speed_capa & ETH_LINK_SPEED_1G) return VNET_DPDK_PORT_TYPE_ETH_1G; return VNET_DPDK_PORT_TYPE_UNKNOWN; } static u32 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags) { dpdk_main_t *dm = &dpdk_main; dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance); u32 old = 0; if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags)) { old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0; if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL) xd->flags |= DPDK_DEVICE_FLAG_PROMISC; else xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC; if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) { if (xd->flags & DPDK_DEVICE_FLAG_PROMISC) rte_eth_promiscuous_enable (xd->device_index); else rte_eth_promiscuous_disable (xd->device_index); } } else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags)) { xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes; dpdk_device_setup (xd); } return old; } static void dpdk_device_lock_init (dpdk_device_t * xd) { int q; vec_validate (xd->lockp, xd->tx_q_used - 1); for (q = 0; q < xd->tx_q_used; q++) { xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES); memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES); } } static struct rte_mempool_ops * get_ops_by_name (i8 * ops_name) { u32 i; for (i = 0; i < rte_mempool_ops_table.num_ops; i++) { if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name)) return &rte_mempool_ops_table.ops[i]; } return 0; } static int dpdk_ring_alloc (struct rte_mempool *mp) { u32 rg_flags = 0, count; i32 ret; i8 rg_name[RTE_RING_NAMESIZE]; struct rte_ring *r; ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name); if (ret < 0 || ret >= (i32) sizeof (rg_name)) return -ENAMETOOLONG; /* ring flags */ if (mp->flags & MEMPOOL_F_SP_PUT) rg_flags |= RING_F_SP_ENQ; if (mp->flags & MEMPOOL_F_SC_GET) rg_flags |= RING_F_SC_DEQ; count = rte_align32pow2 (mp->size + 1); /* * Allocate the ring that will be used to store objects. * Ring functions will return appropriate errors if we are * running as a secondary process etc., so no checks made * in this function for that condition. */ /* XXX can we get memory from the right socket? */ r = clib_mem_alloc_aligned (rte_ring_get_memsize (count), CLIB_CACHE_LINE_BYTES); /* XXX rte_ring_lookup will not work */ ret = rte_ring_init (r, rg_name, count, rg_flags); if (ret) return ret; mp->pool_data = r; return 0; } static clib_error_t * dpdk_lib_init (dpdk_main_t * dm) { u32 nports; u32 nb_desc = 0; int i; clib_error_t *error; vlib_main_t *vm = vlib_get_main (); vlib_thread_main_t *tm = vlib_get_thread_main (); vnet_device_main_t *vdm = &vnet_device_main; vnet_sw_interface_t *sw; vnet_hw_interface_t *hi; dpdk_device_t *xd; vlib_pci_addr_t last_pci_addr; u32 last_pci_addr_port = 0; vlib_thread_registration_t *tr_hqos; uword *p_hqos; u32 next_hqos_cpu = 0; u8 af_packet_port_id = 0; u8 bond_ether_port_id = 0; last_pci_addr.as_u32 = ~0; dm->hqos_cpu_first_index = 0; dm->hqos_cpu_count = 0; /* find out which cpus will be used for I/O TX */ p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads"); tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0; if (tr_hqos && tr_hqos->count > 0) { dm->hqos_cpu_first_index = tr_hqos->first_index; dm->hqos_cpu_count = tr_hqos->count; } vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1, CLIB_CACHE_LINE_BYTES); nports = rte_eth_dev_count (); if (nports < 1) { clib_warning ("DPDK drivers found no ports..."); } if (CLIB_DEBUG > 0) clib_warning ("DPDK drivers found %d ports...", nports); /* * All buffers are all allocated from the same rte_mempool. * Thus they all have the same number of data bytes. */ dm->vlib_buffer_free_list_index = vlib_buffer_get_or_create_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES, "dpdk rx"); if (dm->conf->enable_tcp_udp_checksum) dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED); /* vlib_buffer_t template */ vec_validate_aligned (dm->buffer_templates, tm->n_vlib_mains - 1, CLIB_CACHE_LINE_BYTES); for (i = 0; i < tm->n_vlib_mains; i++) { vlib_buffer_free_list_t *fl; vlib_buffer_t *bt = vec_elt_at_index (dm->buffer_templates, i); fl = vlib_buffer_get_free_list (vm, VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX); vlib_buffer_init_for_free_list (bt, fl); bt->flags = dm->buffer_flags_template; vnet_buffer (bt)->sw_if_index[VLIB_TX] = (u32) ~ 0; } for (i = 0; i < nports; i++) { u8 addr[6]; u8 vlan_strip = 0; int j; struct rte_eth_dev_info dev_info; struct rte_eth_link l; dpdk_device_config_t *devconf = 0; vlib_pci_addr_t pci_addr; uword *p = 0; rte_eth_dev_info_get (i, &dev_info); if (dev_info.pci_dev) /* bonded interface has no pci info */ { pci_addr.domain = dev_info.pci_dev->addr.domain; pci_addr.bus = dev_info.pci_dev->addr.bus; pci_addr.slot = dev_info.pci_dev->addr.devid; pci_addr.function = dev_info.pci_dev->addr.function; p = hash_get (dm->conf->device_config_index_by_pci_addr, pci_addr.as_u32); } if (p) devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]); else devconf = &dm->conf->default_devconf; /* Create vnet interface */ vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES); xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT; xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT; xd->cpu_socket = (i8) rte_eth_dev_socket_id (i); /* Handle interface naming for devices with multiple ports sharing same PCI ID */ if (dev_info.pci_dev) { struct rte_eth_dev_info di = { 0 }; rte_eth_dev_info_get (i + 1, &di); if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 && memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr, sizeof (struct rte_pci_addr)) == 0) { xd->interface_name_suffix = format (0, "0"); last_pci_addr.as_u32 = pci_addr.as_u32; last_pci_addr_port = i; } else if (pci_addr.as_u32 == last_pci_addr.as_u32) { xd->interface_name_suffix = format (0, "%u", i - last_pci_addr_port); } else { last_pci_addr.as_u32 = ~0; } } else last_pci_addr.as_u32 = ~0; clib_memcpy (&xd->tx_conf, &dev_info.default_txconf, sizeof (struct rte_eth_txconf)); if (dm->conf->no_tx_checksum_offload == 0) xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS; if (dm->conf->no_multi_seg) { xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS; port_conf_template.rxmode.jumbo_frame = 0; port_conf_template.rxmode.enable_scatter = 0; } else { xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS; port_conf_template.rxmode.jumbo_frame = 1; port_conf_template.rxmode.enable_scatter = 1; xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG; } clib_memcpy (&xd->port_conf, &port_conf_template, sizeof (struct rte_eth_conf)); xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains); if (devconf->num_tx_queues > 0 && devconf->num_tx_queues < xd->tx_q_used) xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues); if (devconf->num_rx_queues > 1 && dev_info.max_rx_queues >= devconf->num_rx_queues) { xd->rx_q_used = devconf->num_rx_queues; xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS; if (devconf->rss_fn == 0) xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP; else xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn; } else xd->rx_q_used = 1; xd->flags |= DPDK_DEVICE_FLAG_PMD; /* workaround for drivers not setting driver_name */ if ((!dev_info.driver_name) && (dev_info.pci_dev)) dev_info.driver_name = dev_info.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_E1000EM: case VNET_DPDK_PMD_IGB: case VNET_DPDK_PMD_IXGBE: case VNET_DPDK_PMD_I40E: xd->port_type = port_type_from_speed_capa (&dev_info); xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD | DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM; break; case VNET_DPDK_PMD_CXGBE: case VNET_DPDK_PMD_MLX4: case VNET_DPDK_PMD_MLX5: xd->port_type = port_type_from_speed_capa (&dev_info); break; /* SR-IOV VFs */ case VNET_DPDK_PMD_IGBVF: case VNET_DPDK_PMD_IXGBEVF: case VNET_DPDK_PMD_I40EVF: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF; xd->port_conf.rxmode.hw_strip_crc = 1; break; case VNET_DPDK_PMD_THUNDERX: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF; xd->port_conf.rxmode.hw_strip_crc = 1; break; case VNET_DPDK_PMD_DPAA2: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G; break; /* Cisco VIC */ case VNET_DPDK_PMD_ENIC: rte_eth_link_get_nowait (i, &l); if (l.link_speed == 40000) xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G; else xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G; break; /* Intel Red Rock Canyon */ case VNET_DPDK_PMD_FM10K: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH; xd->port_conf.rxmode.hw_strip_crc = 1; break; /* virtio */ case VNET_DPDK_PMD_VIRTIO: 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->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS; break; case VNET_DPDK_PMD_AF_PACKET: xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET; xd->port_id = af_packet_port_id++; break; case VNET_DPDK_PMD_BOND: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND; xd->port_id = bond_ether_port_id++; break; case VNET_DPDK_PMD_VIRTIO_USER: xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER; break; default: xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN; } if (devconf->num_rx_desc) xd->nb_rx_desc = devconf->num_rx_desc; if (devconf->num_tx_desc) xd->nb_tx_desc = devconf->num_tx_desc; } /* * 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. */ 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. */ xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen; } else { xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES; /* * Some platforms do not account for Ethernet FCS (4 bytes) in * MTU calculations. To interop with them increase mru but only * if the device's settings can support it. */ if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) && xd->port_conf.rxmode.hw_strip_crc) { /* * Allow additional 4 bytes (for Ethernet FCS). These bytes are * stripped by h/w and so will not consume any buffer memory. */ xd->port_conf.rxmode.max_rx_pkt_len += 4; } } 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, (struct ether_addr *) addr); if (xd->tx_q_used < tm->n_vlib_mains) dpdk_device_lock_init (xd); xd->device_index = xd - dm->devices; ASSERT (i == xd->device_index); xd->per_interface_next_index = ~0; /* assign interface to input thread */ dpdk_device_and_queue_t *dq; int q; if (devconf->hqos_enabled) { xd->flags |= DPDK_DEVICE_FLAG_HQOS; if (devconf->hqos.hqos_thread_valid) { int cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread; if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count) return clib_error_return (0, "invalid HQoS thread index"); vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1); dq->device = xd->device_index; dq->queue_id = 0; } else { int cpu = dm->hqos_cpu_first_index + next_hqos_cpu; if (dm->hqos_cpu_count == 0) return clib_error_return (0, "no HQoS threads available"); vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1); dq->device = xd->device_index; dq->queue_id = 0; next_hqos_cpu++; if (next_hqos_cpu == dm->hqos_cpu_count) next_hqos_cpu = 0; devconf->hqos.hqos_thread_valid = 1; devconf->hqos.hqos_thread = cpu; } } vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains, CLIB_CACHE_LINE_BYTES); for (j = 0; j < tm->n_vlib_mains; j++) { vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc, sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES); vec_reset_length (xd->tx_vectors[j]); } vec_validate_aligned (xd->rx_vectors, xd->rx_q_used, CLIB_CACHE_LINE_BYTES); for (j = 0; j < xd->rx_q_used; j++) { vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1, CLIB_CACHE_LINE_BYTES); vec_reset_length (xd->rx_vectors[j]); } vec_validate_aligned (xd->d_trace_buffers, tm->n_vlib_mains, CLIB_CACHE_LINE_BYTES); /* count the number of descriptors used for this device */ nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used; 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; sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index); xd->vlib_sw_if_index = sw->sw_if_index; vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index, dpdk_input_node.index); if (devconf->workers) { int i; q = 0; /* *INDENT-OFF* */ clib_bitmap_foreach (i, devconf->workers, ({ vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++, vdm->first_worker_thread_index + i); })); /* *INDENT-ON* */ } else for (q = 0; q < xd->rx_q_used; q++) { vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */ ~1); } hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index); if (dm->conf->no_tx_checksum_offload == 0) if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD) hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD; dpdk_device_setup (xd); if (vec_len (xd->errors)) clib_warning ("setup failed for device %U. Errors:\n %U", format_dpdk_device_name, i, format_dpdk_device_errors, xd); if (devconf->hqos_enabled) { clib_error_t *rv; rv = dpdk_port_setup_hqos (xd, &devconf->hqos); if (rv) return rv; } /* * For cisco VIC vNIC, set default to VLAN strip enabled, unless * specified otherwise in the startup config. * For other NICs default to VLAN strip disabled, unless specified * otherwis in the startup config. */ if (xd->pmd == VNET_DPDK_PMD_ENIC) { if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF) vlan_strip = 1; /* remove vlan tag from VIC port by default */ else clib_warning ("VLAN strip disabled for interface\n"); } else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON) vlan_strip = 1; if (vlan_strip) { int vlan_off; vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index); vlan_off |= ETH_VLAN_STRIP_OFFLOAD; xd->port_conf.rxmode.hw_vlan_strip = vlan_off; if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0) clib_warning ("VLAN strip enabled for interface\n"); else clib_warning ("VLAN strip cannot be supported by interface\n"); } hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] = xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t); rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes); } if (nb_desc > dm->conf->num_mbufs) clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n", dm->conf->num_mbufs, nb_desc); return 0; } static void dpdk_bind_devices_to_uio (dpdk_config_main_t * conf) { vlib_pci_main_t *pm = &pci_main; clib_error_t *error; vlib_pci_device_t *d; u8 *pci_addr = 0; int num_whitelisted = vec_len (conf->dev_confs); /* *INDENT-OFF* */ pool_foreach (d, pm->pci_devs, ({ dpdk_device_config_t * devconf = 0; vec_reset_length (pci_addr); pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0); if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO) continue; if (num_whitelisted) { uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32); if (!p) continue; devconf = pool_elt_at_index (conf->dev_confs, p[0]); } /* virtio */ if (d->vendor_id == 0x1af4 && (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET || d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET)) ; /* vmxnet3 */ else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0) ; /* all Intel network devices */ else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET) ; /* all Intel QAT devices VFs */ else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO && (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3)) ; /* Cisco VIC */ else if (d->vendor_id == 0x1137 && d->device_id == 0x0043) ; /* Chelsio T4/T5 */ else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000) ; /* Mellanox */ else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a) { continue; } else { clib_warning ("Unsupported PCI device 0x%04x:0x%04x found " "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id, pci_addr); continue; } error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name); if (error) { if (devconf == 0) { pool_get (conf->dev_confs, devconf); hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32, devconf - conf->dev_confs); devconf->pci_addr.as_u32 = d->bus_address.as_u32; } devconf->is_blacklisted = 1; clib_error_report (error); } })); /* *INDENT-ON* */ vec_free (pci_addr); } static clib_error_t * dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr, unformat_input_t * input, u8 is_default) { clib_error_t *error = 0; uword *p; dpdk_device_config_t *devconf; unformat_input_t sub_input; if (is_default) { devconf = &conf->default_devconf; } else { p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32); if (!p) { pool_get (conf->dev_confs, devconf); hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32, devconf - conf->dev_confs); } else return clib_error_return (0, "duplicate configuration for PCI address %U", format_vlib_pci_addr, &pci_addr); } devconf->pci_addr.as_u32 = pci_addr.as_u32; devconf->hqos_enabled = 0; dpdk_device_config_hqos_default (&devconf->hqos); if (!input) return 0; unformat_skip_white_space (input); while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues)) ; else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues)) ; else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc)) ; else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc)) ; else if (unformat (input, "workers %U", unformat_bitmap_list, &devconf->workers)) ; else if (unformat (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input)) { error = unformat_rss_fn (&sub_input, &devconf->rss_fn); if (error) break; } else if (unformat (input, "vlan-strip-offload off")) devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF; else if (unformat (input, "vlan-strip-offload on")) devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON; else if (unformat (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input)) { devconf->hqos_enabled = 1; error = unformat_hqos (&sub_input, &devconf->hqos); if (error) break; } else if (unformat (input, "hqos")) { devconf->hqos_enabled = 1; } else { error = clib_error_return (0, "unknown input `%U'", format_unformat_error, input); break; } } if (error) return error; if (devconf->workers && devconf->num_rx_queues == 0) devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers); else if (devconf->workers && clib_bitmap_count_set_bits (devconf->workers) != devconf->num_rx_queues) error = clib_error_return (0, "%U: number of worker threadds must be " "equal to number of rx queues", format_vlib_pci_addr, &pci_addr); return error; } static clib_error_t * dpdk_config (vlib_main_t * vm, unformat_input_t * input) { clib_error_t *error = 0; dpdk_main_t *dm = &dpdk_main; dpdk_config_main_t *conf = &dpdk_config_main; vlib_thread_main_t *tm = vlib_get_thread_main (); dpdk_device_config_t *devconf; vlib_pci_addr_t pci_addr; unformat_input_t sub_input; uword x; u8 *s, *tmp = 0; u8 *rte_cmd = 0, *ethname = 0; u32 log_level; int ret, i; int num_whitelisted = 0; u8 no_pci = 0; u8 no_huge = 0; u8 huge_dir = 0; u8 file_prefix = 0; u8 *socket_mem = 0; u8 *huge_dir_path = 0; huge_dir_path = format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0); conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword)); log_level = RTE_LOG_NOTICE; while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { /* Prime the pump */ if (unformat (input, "no-hugetlb")) { vec_add1 (conf->eal_init_args, (u8 *) "no-huge"); no_huge = 1; } else if (unformat (input, "enable-tcp-udp-checksum")) conf->enable_tcp_udp_checksum = 1; else if (unformat (input, "no-tx-checksum-offload")) conf->no_tx_checksum_offload = 1; else if (unformat (input, "decimal-interface-names")) conf->interface_name_format_decimal = 1; else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x)) log_level = x; else if (unformat (input, "no-multi-seg")) conf->no_multi_seg = 1; else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input, &sub_input)) { error = dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input, 1); if (error) return error; } else if (unformat (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr, unformat_vlib_cli_sub_input, &sub_input)) { error = dpdk_device_config (conf, pci_addr, &sub_input, 0); if (error) return error; num_whitelisted++; } else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr)) { error = dpdk_device_config (conf, pci_addr, 0, 0); if (error) return error; num_whitelisted++; } else if (unformat (input, "num-mbufs %d", &conf->num_mbufs)) ; else if (unformat (input, "uio-driver %s", &conf->uio_driver_name)) ; else if (unformat (input, "socket-mem %s", &socket_mem)) ; else if (unformat (input, "no-pci")) { no_pci = 1; tmp = format (0, "--no-pci%c", 0); vec_add1 (conf->eal_init_args, tmp); } else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec)) ; #define _(a) \ else if (unformat(input, #a)) \ { \ tmp = format (0, "--%s%c", #a, 0); \ vec_add1 (conf->eal_init_args, tmp); \ } foreach_eal_double_hyphen_predicate_arg #undef _ #define _(a) \ else if (unformat(input, #a " %s", &s)) \ { \ if (!strncmp(#a, "huge-dir", 8)) \ huge_dir = 1; \ else if (!strncmp(#a, "file-prefix", 11)) \ file_prefix = 1; \ tmp = format (0, "--%s%c", #a, 0); \ vec_add1 (conf->eal_init_args, tmp); \ vec_add1 (s, 0); \ if (!strncmp(#a, "vdev", 4)) \ if (strstr((char*)s, "af_packet")) \ clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \ vec_add1 (conf->eal_init_args, s); \ } foreach_eal_double_hyphen_arg #undef _ #define _(a,b) \ else if (unformat(input, #a " %s", &s)) \ { \ tmp = format (0, "-%s%c", #b, 0); \ vec_add1 (conf->eal_init_args, tmp); \ vec_add1 (s, 0); \ vec_add1 (conf->eal_init_args, s); \ } foreach_eal_single_hyphen_arg #undef _ #define _(a,b) \ else if (unformat(input, #a " %s", &s)) \ { \ tmp = format (0, "-%s%c", #b, 0); \ vec_add1 (conf->eal_init_args, tmp); \ vec_add1 (s, 0); \ vec_add1 (conf->eal_init_args, s); \ conf->a##_set_manually = 1; \ } foreach_eal_single_hyphen_mandatory_arg #undef _ else if (unformat (input, "default")) ; else if (unformat_skip_white_space (input)) ; else { error = clib_error_return (0, "unknown input `%U'", format_unformat_error, input); goto done; } } if (!conf->uio_driver_name) conf->uio_driver_name = format (0, "uio_pci_generic%c", 0); /* * Use 1G huge pages if available. */ if (!no_huge && !huge_dir) { u32 x, *mem_by_socket = 0; uword c = 0; int rv; umount ((char *) huge_dir_path); /* Process "socket-mem" parameter value */ if (vec_len (socket_mem)) { unformat_input_t in; unformat_init_vector (&in, socket_mem); while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT) { if (unformat (&in, "%u,", &x)) ; else if (unformat (&in, "%u", &x)) ; else if (unformat (&in, ",")) x = 0; else break; vec_add1 (mem_by_socket, x); } /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */ unformat_free (&in); socket_mem = 0; } else { /* *INDENT-OFF* */ clib_bitmap_foreach (c, tm->cpu_socket_bitmap, ( { vec_validate(mem_by_socket, c); mem_by_socket[c] = 64; /* default per-socket mem */ } )); /* *INDENT-ON* */ } /* *INDENT-OFF* */ clib_bitmap_foreach (c, tm->cpu_socket_bitmap, ( { clib_error_t *e; vec_validate(mem_by_socket, c); e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2); if (e) clib_error_report (e); })); /* *INDENT-ON* */ if (mem_by_socket == 0) { error = clib_error_return (0, "mem_by_socket NULL"); goto done; } _vec_len (mem_by_socket) = c + 1; /* regenerate socket_mem string */ vec_foreach_index (x, mem_by_socket) socket_mem = format (socket_mem, "%s%u", socket_mem ? "," : "", mem_by_socket[x]); socket_mem = format (socket_mem, "%c", 0); vec_free (mem_by_socket); error = vlib_unix_recursive_mkdir ((char *) huge_dir_path); if (error) { goto done; } rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL); if (rv) { error = clib_error_return (0, "mount failed %d", errno); goto done; } tmp = format (0, "--huge-dir%c", 0); vec_add1 (conf->eal_init_args, tmp); tmp = format (0, "%s%c", huge_dir_path, 0); vec_add1 (conf->eal_init_args, tmp); if (!file_prefix) { tmp = format (0, "--file-prefix%c", 0); vec_add1 (conf->eal_init_args, tmp); tmp = format (0, "vpp%c", 0); vec_add1 (conf->eal_init_args, tmp); } } vec_free (rte_cmd); vec_free (ethname); if (error) return error; /* I'll bet that -c and -n must be the first and second args... */ if (!conf->coremask_set_manually) { vlib_thread_registration_t *tr; uword *coremask = 0; int i; /* main thread core */ coremask = clib_bitmap_set (coremask, tm->main_lcore, 1); for (i = 0; i < vec_len (tm->registrations); i++) { tr = tm->registrations[i]; coremask = clib_bitmap_or (coremask, tr->coremask); } vec_insert (conf->eal_init_args, 2, 1); conf->eal_init_args[1] = (u8 *) "-c"; tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0); conf->eal_init_args[2] = tmp; clib_bitmap_free (coremask); } if (!conf->nchannels_set_manually) { vec_insert (conf->eal_init_args, 2, 3); conf->eal_init_args[3] = (u8 *) "-n"; tmp = format (0, "%d", conf->nchannels); conf->eal_init_args[4] = tmp; } if (no_pci == 0 && geteuid () == 0) dpdk_bind_devices_to_uio (conf); #define _(x) \ if (devconf->x == 0 && conf->default_devconf.x > 0) \ devconf->x = conf->default_devconf.x ; /* *INDENT-OFF* */ pool_foreach (devconf, conf->dev_confs, ({ /* default per-device config items */ foreach_dpdk_device_config_item /* add DPDK EAL whitelist/blacklist entry */ if (num_whitelisted > 0 && devconf->is_blacklisted == 0) { tmp = format (0, "-w%c", 0); vec_add1 (conf->eal_init_args, tmp); tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0); vec_add1 (conf->eal_init_args, tmp); } else if (num_whitelisted == 0 && devconf->is_blacklisted != 0) { tmp = format (0, "-b%c", 0); vec_add1 (conf->eal_init_args, tmp); tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0); vec_add1 (conf->eal_init_args, tmp); } })); /* *INDENT-ON* */ #undef _ /* set master-lcore */ tmp = format (0, "--master-lcore%c", 0); vec_add1 (conf->eal_init_args, tmp); tmp = format (0, "%u%c", tm->main_lcore, 0); vec_add1 (conf->eal_init_args, tmp); /* set socket-mem */ tmp = format (0, "--socket-mem%c", 0); vec_add1 (conf->eal_init_args, tmp); tmp = format (0, "%s%c", socket_mem, 0); vec_add1 (conf->eal_init_args, tmp); /* NULL terminate the "argv" vector, in case of stupidity */ vec_add1 (conf->eal_init_args, 0); _vec_len (conf->eal_init_args) -= 1; /* Set up DPDK eal and packet mbuf pool early. */ rte_log_set_global_level (log_level); vm = vlib_get_main (); /* make copy of args as rte_eal_init tends to mess up with arg array */ for (i = 1; i < vec_len (conf->eal_init_args); i++) conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ", conf->eal_init_args[i]); clib_warning ("EAL init args: %s", conf->eal_init_args_str); ret = rte_eal_init (vec_len (conf->eal_init_args), (char **) conf->eal_init_args); /* lazy umount hugepages */ umount2 ((char *) huge_dir_path, MNT_DETACH); rmdir ((char *) huge_dir_path); vec_free (huge_dir_path); if (ret < 0) return clib_error_return (0, "rte_eal_init returned %d", ret); /* Dump the physical memory layout prior to creating the mbuf_pool */ fprintf (stdout, "DPDK physical memory layout:\n"); rte_dump_physmem_layout (stdout); /* set custom ring memory allocator */ { struct rte_mempool_ops *ops = NULL; ops = get_ops_by_name ("ring_sp_sc"); ops->alloc = dpdk_ring_alloc; ops = get_ops_by_name ("ring_mp_sc"); ops->alloc = dpdk_ring_alloc; ops = get_ops_by_name ("ring_sp_mc"); ops->alloc = dpdk_ring_alloc; ops = get_ops_by_name ("ring_mp_mc"); ops->alloc = dpdk_ring_alloc; } /* main thread 1st */ error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ()); if (error) return error; for (i = 0; i < RTE_MAX_LCORE; i++) { error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_lcore_to_socket_id (i)); if (error) return error; } done: return error; } VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk"); void dpdk_update_link_state (dpdk_device_t * xd, f64 now) { vnet_main_t *vnm = vnet_get_main (); struct rte_eth_link prev_link = xd->link; u32 hw_flags = 0; u8 hw_flags_chg = 0; /* only update link state for PMD interfaces */ if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0) return; xd->time_last_link_update = now ? now : xd->time_last_link_update; memset (&xd->link, 0, sizeof (xd->link)); rte_eth_link_get_nowait (xd->device_index, &xd->link); if (LINK_STATE_ELOGS) { vlib_main_t *vm = vlib_get_main (); ELOG_TYPE_DECLARE (e) = { .format = "update-link-state: sw_if_index %d, admin_up %d," "old link_state %d new link_state %d",.format_args = "i4i1i1i1",}; struct { u32 sw_if_index; u8 admin_up; u8 old_link_state; u8 new_link_state; } *ed; ed = ELOG_DATA (&vm->elog_main, e); ed->sw_if_index = xd->vlib_sw_if_index; ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0; ed->old_link_state = (u8) vnet_hw_interface_is_link_up (vnm, xd->hw_if_index); ed->new_link_state = (u8) xd->link.link_status; } if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE)) && ((xd->link.link_status != 0) ^ vnet_hw_interface_is_link_up (vnm, xd->hw_if_index))) { hw_flags_chg = 1; hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0); } if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex)) { hw_flags_chg = 1; switch (xd->link.link_duplex) { case ETH_LINK_HALF_DUPLEX: hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX; break; case ETH_LINK_FULL_DUPLEX: hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX; break; default: break; } } if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed)) { hw_flags_chg = 1; switch (xd->link.link_speed) { case ETH_SPEED_NUM_10M: hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M; break; case ETH_SPEED_NUM_100M: hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M; break; case ETH_SPEED_NUM_1G: hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G; break; case ETH_SPEED_NUM_10G: hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G; break; case ETH_SPEED_NUM_40G: hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G; break; case 0: break; default: clib_warning ("unknown link speed %d", xd->link.link_speed); break; } } if (hw_flags_chg) { if (LINK_STATE_ELOGS) { vlib_main_t *vm = vlib_get_main (); ELOG_TYPE_DECLARE (e) = { .format = "update-link-state: sw_if_index %d, new flags %d",.format_args = "i4i4",}; struct { u32 sw_if_index; u32 flags; } *ed; ed = ELOG_DATA (&vm->elog_main, e); ed->sw_if_index = xd->vlib_sw_if_index; ed->flags = hw_flags; } vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags); } } static uword dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f) { clib_error_t *error; vnet_main_t *vnm = vnet_get_main (); dpdk_main_t *dm = &dpdk_main; ethernet_main_t *em = ðernet_main; dpdk_device_t *xd; vlib_thread_main_t *tm = vlib_get_thread_main (); int i; error = dpdk_lib_init (dm); if (error) clib_error_report (error); tm->worker_thread_release = 1; f64 now = vlib_time_now (vm); vec_foreach (xd, dm->devices) { dpdk_update_link_state (xd, now); } { /* * Extra set up for bond interfaces: * 1. Setup MACs for bond interfaces and their slave links which was set * in dpdk_device_setup() but needs to be done again here to take * effect. * 2. Set up info and register slave link state change callback handling. * 3. Set up info for bond interface related CLI support. */ int nports = rte_eth_dev_count (); if (nports > 0) { for (i = 0; i < nports; i++) { xd = &dm->devices[i]; ASSERT (i == xd->device_index); if (xd->pmd == VNET_DPDK_PMD_BOND) { u8 addr[6]; dpdk_portid_t slink[16]; int nlink = rte_eth_bond_slaves_get (i, slink, 16); if (nlink > 0) { vnet_hw_interface_t *bhi; ethernet_interface_t *bei; int rv; /* Get MAC of 1st slave link */ rte_eth_macaddr_get (slink[0], (struct ether_addr *) addr); /* Set MAC of bounded interface to that of 1st slave link */ clib_warning ("Set MAC for bond port %d BondEthernet%d", i, xd->port_id); rv = rte_eth_bond_mac_address_set (i, (struct ether_addr *) addr); if (rv) clib_warning ("Set MAC addr failure rv=%d", rv); /* Populate MAC of bonded interface in VPP hw tables */ bhi = vnet_get_hw_interface (vnm, dm->devices[i].hw_if_index); bei = pool_elt_at_index (em->interfaces, bhi->hw_instance); clib_memcpy (bhi->hw_address, addr, 6); clib_memcpy (bei->address, addr, 6); /* Init l3 packet size allowed on bonded interface */ bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES; bhi->max_l3_packet_bytes[VLIB_RX] = bhi->max_l3_packet_bytes[VLIB_TX] = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t); while (nlink >= 1) { /* for all slave links */ int slave = slink[--nlink]; dpdk_device_t *sdev = &dm->devices[slave]; vnet_hw_interface_t *shi; vnet_sw_interface_t *ssi; ethernet_interface_t *sei; /* Add MAC to all slave links except the first one */ if (nlink) { clib_warning ("Add MAC for slave port %d", slave); rv = rte_eth_dev_mac_addr_add (slave, (struct ether_addr *) addr, 0); if (rv) clib_warning ("Add MAC addr failure rv=%d", rv); } /* Setup slave link state change callback handling */ rte_eth_dev_callback_register (slave, RTE_ETH_EVENT_INTR_LSC, dpdk_port_state_callback, NULL); dpdk_device_t *sxd = &dm->devices[slave]; sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE; sxd->bond_port = i; /* Set slaves bitmap for bonded interface */ bhi->bond_info = clib_bitmap_set (bhi->bond_info, sdev->hw_if_index, 1); /* Set MACs and slave link flags on slave interface */ shi = vnet_get_hw_interface (vnm, sdev->hw_if_index); ssi = vnet_get_sw_interface (vnm, sdev->vlib_sw_if_index); sei = pool_elt_at_index (em->interfaces, shi->hw_instance); shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE; ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE; clib_memcpy (shi->hw_address, addr, 6); clib_memcpy (sei->address, addr, 6); /* Set l3 packet size allowed as the lowest of slave */ if (bhi->max_l3_packet_bytes[VLIB_RX] > shi->max_l3_packet_bytes[VLIB_RX]) bhi->max_l3_packet_bytes[VLIB_RX] = bhi->max_l3_packet_bytes[VLIB_TX] = shi->max_l3_packet_bytes[VLIB_RX]; /* Set max packet size allowed as the lowest of slave */ if (bhi->max_packet_bytes > shi->max_packet_bytes) bhi->max_packet_bytes = shi->max_packet_bytes; } } } } } } while (1) { /* * check each time through the loop in case intervals are changed */ f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ? dm->link_state_poll_interval : dm->stat_poll_interval; vlib_process_wait_for_event_or_clock (vm, min_wait); if (dm->admin_up_down_in_progress) /* skip the poll if an admin up down is in progress (on any interface) */ continue; vec_foreach (xd, dm->devices) { f64 now = vlib_time_now (vm); if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval) dpdk_update_counters (xd, now); if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval) dpdk_update_link_state (xd, now); } } return 0; } /* *INDENT-OFF* */ VLIB_REGISTER_NODE (dpdk_process_node,static) = { .function = dpdk_process, .type = VLIB_NODE_TYPE_PROCESS, .name = "dpdk-process", .process_log2_n_stack_bytes = 17, }; /* *INDENT-ON* */ static clib_error_t * dpdk_init (vlib_main_t * vm) { dpdk_main_t *dm = &dpdk_main; clib_error_t *error = 0; vlib_thread_main_t *tm = vlib_get_thread_main (); /* verify that structs are cacheline aligned */ STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0, "Cache line marker must be 1st element in dpdk_device_t"); STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) == CLIB_CACHE_LINE_BYTES, "Data in cache line 0 is bigger than cache line size"); STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0, "Cache line marker must be 1st element in frame_queue_trace_t"); dm->vlib_main = vm; dm->vnet_main = vnet_get_main (); dm->conf = &dpdk_config_main; dm->conf->nchannels = 4; dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF; vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet"); vec_validate (dm->recycle, tm->n_thread_stacks - 1); /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */ dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED | VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID); dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL; dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL; /* init CLI */ if ((error = vlib_call_init_function (vm, dpdk_cli_init))) return error; return error; } VLIB_INIT_FUNCTION (dpdk_init); /* * fd.io coding-style-patch-verification: ON * * Local Variables: * eval: (c-set-style "gnu") * End: */