/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "dpdk_priv.h" dpdk_main_t dpdk_main; /* force linker to link functions used by vlib and declared weak */ void *vlib_weakly_linked_functions[] = { &rte_pktmbuf_init, &rte_pktmbuf_pool_init, }; #define LINK_STATE_ELOGS 0 #define DEFAULT_HUGE_DIR "/run/vpp/hugepages" #define VPP_RUN_DIR "/run/vpp" /* 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 = 1, /**< CRC stripped by hardware */ }, .txmode = { .mq_mode = ETH_MQ_TX_NONE, }, }; clib_error_t * dpdk_port_setup (dpdk_main_t * dm, dpdk_device_t * xd) { vlib_main_t * vm = vlib_get_main(); vlib_buffer_main_t * bm = vm->buffer_main; int rv; int j; ASSERT(os_get_cpu_number() == 0); if (xd->admin_up) { vnet_hw_interface_set_flags (dm->vnet_main, xd->vlib_hw_if_index, 0); rte_eth_dev_stop (xd->device_index); } rv = rte_eth_dev_configure (xd->device_index, xd->rx_q_used, xd->tx_q_used, &xd->port_conf); if (rv < 0) return clib_error_return (0, "rte_eth_dev_configure[%d]: err %d", xd->device_index, rv); /* Set up one TX-queue per worker thread */ for (j = 0; j < xd->tx_q_used; j++) { rv = rte_eth_tx_queue_setup(xd->device_index, j, xd->nb_tx_desc, xd->cpu_socket, &xd->tx_conf); /* retry with any other CPU socket */ if (rv < 0) rv = rte_eth_tx_queue_setup(xd->device_index, j, xd->nb_tx_desc, SOCKET_ID_ANY, &xd->tx_conf); if (rv < 0) break; } if (rv < 0) return clib_error_return (0, "rte_eth_tx_queue_setup[%d]: err %d", xd->device_index, rv); for (j = 0; j < xd->rx_q_used; j++) { rv = rte_eth_rx_queue_setup(xd->device_index, j, xd->nb_rx_desc, xd->cpu_socket, 0, bm->pktmbuf_pools[xd->cpu_socket_id_by_queue[j]]); /* retry with any other CPU socket */ if (rv < 0) rv = rte_eth_rx_queue_setup(xd->device_index, j, xd->nb_rx_desc, SOCKET_ID_ANY, 0, bm->pktmbuf_pools[xd->cpu_socket_id_by_queue[j]]); if (rv < 0) return clib_error_return (0, "rte_eth_rx_queue_setup[%d]: err %d", xd->device_index, rv); } if (xd->admin_up) { rte_eth_dev_start (xd->device_index); } return 0; } 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->promisc; xd->promisc = flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL; if (xd->admin_up) { if (xd->promisc) rte_eth_promiscuous_enable(xd->device_index); else rte_eth_promiscuous_disable(xd->device_index); } } else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU(flags)) { /* * DAW-FIXME: The Cisco VIC firmware does not provide an api for a * driver to dynamically change the mtu. If/when the * VIC firmware gets fixed, then this should be removed. */ if (xd->pmd == VNET_DPDK_PMD_VICE || xd->pmd == VNET_DPDK_PMD_ENIC) { struct rte_eth_dev_info dev_info; /* * Restore mtu to what has been set by CIMC in the firmware cfg. */ rte_eth_dev_info_get(xd->device_index, &dev_info); hi->max_packet_bytes = dev_info.max_rx_pktlen; vlib_cli_output (vlib_get_main(), "Cisco VIC mtu can only be changed " "using CIMC then rebooting the server!"); } else { int rv; xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes; if (xd->admin_up) rte_eth_dev_stop (xd->device_index); rv = rte_eth_dev_configure (xd->device_index, xd->rx_q_used, xd->tx_q_used, &xd->port_conf); if (rv < 0) vlib_cli_output (vlib_get_main(), "rte_eth_dev_configure[%d]: err %d", xd->device_index, rv); rte_eth_dev_set_mtu(xd->device_index, hi->max_packet_bytes); if (xd->admin_up) rte_eth_dev_start (xd->device_index); } } return old; } #ifdef NETMAP extern int rte_netmap_probe(void); #endif 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); } xd->need_txlock = 1; } void dpdk_device_lock_free(dpdk_device_t * xd) { int q; for (q = 0; q < vec_len(xd->lockp); q++) clib_mem_free((void *) xd->lockp[q]); vec_free(xd->lockp); xd->lockp = 0; xd->need_txlock = 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(); vlib_node_runtime_t * rt; vnet_sw_interface_t * sw; vnet_hw_interface_t * hi; dpdk_device_t * xd; vlib_thread_registration_t * tr; uword * p; u32 next_cpu = 0; u8 af_packet_port_id = 0; dm->input_cpu_first_index = 0; dm->input_cpu_count = 1; rt = vlib_node_get_runtime (vm, dpdk_input_node.index); rt->function = dpdk_input_multiarch_select(); /* find out which cpus will be used for input */ p = hash_get_mem (tm->thread_registrations_by_name, "workers"); tr = p ? (vlib_thread_registration_t *) p[0] : 0; if (tr && tr->count > 0) { dm->input_cpu_first_index = tr->first_index; dm->input_cpu_count = tr->count; } vec_validate_aligned (dm->devices_by_cpu, tm->n_vlib_mains - 1, CLIB_CACHE_LINE_BYTES); vec_validate_aligned (dm->workers, tm->n_vlib_mains - 1, CLIB_CACHE_LINE_BYTES); #ifdef NETMAP if(rte_netmap_probe() < 0) return clib_error_return (0, "rte netmap probe failed"); #endif 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 &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT | IP_BUFFER_L4_CHECKSUM_COMPUTED); for (i = 0; i < nports; i++) { u8 addr[6]; int j; struct rte_eth_dev_info dev_info; clib_error_t * rv; 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); clib_memcpy(&xd->tx_conf, &dev_info.default_txconf, sizeof(struct rte_eth_txconf)); if (dm->conf->no_multi_seg) { xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS; port_conf_template.rxmode.jumbo_frame = 0; } else { xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS; port_conf_template.rxmode.jumbo_frame = 1; } 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 && dm->use_rss == 0) { rt->function = dpdk_input_rss_multiarch_select(); dm->use_rss = 1; } 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; xd->port_conf.rx_adv_conf.rss_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP; } else xd->rx_q_used = 1; xd->dev_type = VNET_DPDK_DEV_ETH; /* 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->name; ASSERT(dev_info.driver_name); if (!xd->pmd) { #define _(s,f) else if (!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; switch (xd->pmd) { /* 1G adapters */ case VNET_DPDK_PMD_E1000EM: case VNET_DPDK_PMD_IGB: case VNET_DPDK_PMD_IGBVF: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G; break; /* 10G adapters */ case VNET_DPDK_PMD_IXGBE: case VNET_DPDK_PMD_IXGBEVF: case VNET_DPDK_PMD_THUNDERX: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G; xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE; xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE; break; /* Cisco VIC */ case VNET_DPDK_PMD_VICE: case VNET_DPDK_PMD_ENIC: rte_eth_link_get_nowait(i, &l); xd->nb_rx_desc = DPDK_NB_RX_DESC_ENIC; if (l.link_speed == 40000) { xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G; xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE; } else { xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G; xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE; } break; /* Intel Fortville */ case VNET_DPDK_PMD_I40E: case VNET_DPDK_PMD_I40EVF: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G; xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE; xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE; switch (dev_info.pci_dev->id.device_id) { case I40E_DEV_ID_10G_BASE_T: case I40E_DEV_ID_SFP_XL710: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G; break; case I40E_DEV_ID_QSFP_A: case I40E_DEV_ID_QSFP_B: case I40E_DEV_ID_QSFP_C: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G; break; case I40E_DEV_ID_VF: rte_eth_link_get_nowait(i, &l); xd->port_type = l.link_speed == 10000 ? VNET_DPDK_PORT_TYPE_ETH_10G : VNET_DPDK_PORT_TYPE_ETH_40G; break; default: xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN; } break; case VNET_DPDK_PMD_CXGBE: switch (dev_info.pci_dev->id.device_id) { case 0x5410: /* T580-LP-cr */ xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE; xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE; xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G; break; default: xd->nb_rx_desc = DPDK_NB_RX_DESC_10GE; xd->nb_tx_desc = DPDK_NB_TX_DESC_10GE; xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN; } break; /* Intel Red Rock Canyon */ case VNET_DPDK_PMD_FM10K: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH; xd->nb_rx_desc = DPDK_NB_RX_DESC_40GE; xd->nb_tx_desc = DPDK_NB_TX_DESC_40GE; 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->af_packet_port_id = af_packet_port_id++; break; case VNET_DPDK_PMD_BOND: xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND; break; default: xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN; } #ifdef NETMAP if(strncmp(dev_info.driver_name, "vale", 4) == 0 || strncmp(dev_info.driver_name, "netmap", 6) == 0) { xd->pmd = VNET_DPDK_PMD_NETMAP; xd->port_type = VNET_DPDK_PORT_TYPE_NETMAP; } #endif 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 RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0) /* * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts */ if (xd->pmd == VNET_DPDK_PMD_VMXNET3) { xd->port_conf.rxmode.max_rx_pkt_len = 1518; xd->port_conf.rxmode.jumbo_frame = 0; } #endif 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->workers) { int i; q = 0; clib_bitmap_foreach (i, devconf->workers, ({ int cpu = dm->input_cpu_first_index + i; unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id; vec_validate(xd->cpu_socket_id_by_queue, q); xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore); vec_add2(dm->devices_by_cpu[cpu], dq, 1); dq->device = xd->device_index; dq->queue_id = q++; })); } else for (q = 0; q < xd->rx_q_used; q++) { int cpu = dm->input_cpu_first_index + next_cpu; unsigned lcore = vlib_worker_threads[cpu].dpdk_lcore_id; /* * numa node for worker thread handling this queue * needed for taking buffers from the right mempool */ vec_validate(xd->cpu_socket_id_by_queue, q); xd->cpu_socket_id_by_queue[q] = rte_lcore_to_socket_id(lcore); /* * construct vector of (device,queue) pairs for each worker thread */ vec_add2(dm->devices_by_cpu[cpu], dq, 1); dq->device = xd->device_index; dq->queue_id = q; next_cpu++; if (next_cpu == dm->input_cpu_count) next_cpu = 0; } 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], DPDK_TX_RING_SIZE, 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->frames, tm->n_vlib_mains, CLIB_CACHE_LINE_BYTES); rv = dpdk_port_setup(dm, xd); if (rv < 0) return rv; /* 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->vlib_hw_if_index, dpdk_flag_change); if (error) return error; sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index); xd->vlib_sw_if_index = sw->sw_if_index; hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index); /* * DAW-FIXME: The Cisco VIC firmware does not provide an api for a * driver to dynamically change the mtu. If/when the * VIC firmware gets fixed, then this should be removed. */ if (xd->pmd == VNET_DPDK_PMD_VICE || xd->pmd == VNET_DPDK_PMD_ENIC) { /* * Initialize mtu to what has been set by CIMC in the firmware cfg. */ hi->max_packet_bytes = dev_info.max_rx_pktlen; /* * remove vlan tag from VIC port to fix VLAN0 issue. * TODO Handle VLAN tagged traffic */ int vlan_off; vlan_off = rte_eth_dev_get_vlan_offload(xd->device_index); vlan_off |= ETH_VLAN_STRIP_OFFLOAD; rte_eth_dev_set_vlan_offload(xd->device_index, vlan_off); } #if RTE_VERSION < RTE_VERSION_NUM(16, 4, 0, 0) /* * Older VMXNET3 driver doesn't support jumbo / multi-buffer pkts */ else if (xd->pmd == VNET_DPDK_PMD_VMXNET3) hi->max_packet_bytes = 1518; #endif 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); } #ifdef RTE_LIBRTE_KNI if (dm->conf->num_kni) { clib_warning("Initializing KNI interfaces..."); rte_kni_init(dm->conf->num_kni); for (i = 0; i < dm->conf->num_kni; i++) { u8 addr[6]; int j; /* Create vnet interface */ vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES); xd->dev_type = VNET_DPDK_DEV_KNI; xd->device_index = xd - dm->devices; ASSERT(nports + i == xd->device_index); xd->per_interface_next_index = ~0; xd->kni_port_id = i; xd->cpu_socket = -1; hash_set (dm->dpdk_device_by_kni_port_id, i, xd - dm->devices); xd->rx_q_used = 1; /* assign interface to input thread */ dpdk_device_and_queue_t * dq; vec_add2(dm->devices_by_cpu[dm->input_cpu_first_index], dq, 1); dq->device = xd->device_index; dq->queue_id = 0; 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], DPDK_TX_RING_SIZE, 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->frames, tm->n_vlib_mains, CLIB_CACHE_LINE_BYTES); /* FIXME Set up one TX-queue per worker thread */ { 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; } error = ethernet_register_interface (dm->vnet_main, dpdk_device_class.index, xd->device_index, /* ethernet address */ addr, &xd->vlib_hw_if_index, dpdk_flag_change); if (error) return error; sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->vlib_hw_if_index); xd->vlib_sw_if_index = sw->sw_if_index; hi = vnet_get_hw_interface (dm->vnet_main, xd->vlib_hw_if_index); } } #endif 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); /* init next vhost-user if index */ dm->next_vu_if_id = 0; 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; pci_config_header_t * c; u8 * pci_addr = 0; int num_whitelisted = vec_len (conf->dev_confs); pool_foreach (d, pm->pci_devs, ({ dpdk_device_config_t * devconf = 0; c = &d->config0.header; vec_reset_length (pci_addr); pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0); if (c->device_class != PCI_CLASS_NETWORK_ETHERNET) 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 (c->vendor_id == 0x1af4 && c->device_id == 0x1000) ; /* vmxnet3 */ else if (c->vendor_id == 0x15ad && c->device_id == 0x07b0) ; /* all Intel devices */ else if (c->vendor_id == 0x8086) ; /* Cisco VIC */ else if (c->vendor_id == 0x1137 && c->device_id == 0x0043) ; /* Chelsio T4/T5 */ else if (c->vendor_id == 0x1425 && (c->device_id & 0xe000) == 0x4000) ; else { clib_warning ("Unsupported Ethernet PCI device 0x%04x:0x%04x found " "at PCI address %s\n", (u16) c->vendor_id, (u16) c->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); } })); 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; 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; if (!input) return 0; 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 { 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; u8 * s, * tmp = 0; u8 * rte_cmd = 0, * ethname = 0; u32 log_level; int ret, i; int num_whitelisted = 0; #ifdef NETMAP int rxrings, txrings, rxslots, txslots, txburst; char * nmnam; #endif u8 no_pci = 0; u8 no_huge = 0; u8 huge_dir = 0; u8 file_prefix = 0; u8 * socket_mem = 0; conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword)); // MATT-FIXME: inverted virtio-vhost logic to use virtio by default conf->use_virtio_vhost = 1; 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, "decimal-interface-names")) conf->interface_name_format_decimal = 1; 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++; } #ifdef NETMAP else if (unformat(input, "netmap %s/%d:%d/%d:%d/%d", &nmname, &rxrings, &rxslots, &txrings, &txslots, &txburst)) { char * rv; rv = (char *) eth_nm_args(nmname, rxrings, rxslots, txrings, txslots, txburst); if (rv) { error = clib_error_return (0, "%s", rv); goto done; } }else if (unformat(input, "netmap %s", &nmname)) { char * rv; rv = (char *) eth_nm_args(nmname, 0, 0, 0, 0, 0); if (rv) { error = clib_error_return (0, "%s", rv); goto done; } } #endif else if (unformat (input, "num-mbufs %d", &conf->num_mbufs)) ; else if (unformat (input, "kni %d", &conf->num_kni)) ; else if (unformat (input, "uio-driver %s", &conf->uio_driver_name)) ; else if (unformat (input, "socket-mem %s", &socket_mem)) ; else if (unformat (input, "vhost-user-coalesce-frames %d", &conf->vhost_coalesce_frames)) ; else if (unformat (input, "vhost-user-coalesce-time %f", &conf->vhost_coalesce_time)) ; else if (unformat (input, "enable-vhost-user")) conf->use_virtio_vhost = 0; else if (unformat (input, "poll-sleep %d", &dm->poll_sleep)) ; #define _(a) \ else if (unformat(input, #a)) \ { \ if (!strncmp(#a, "no-pci", 6)) \ no_pci = 1; \ 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); \ 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 { 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, "igb_uio%c", 0); /* * Use 1G huge pages if available. */ if (!no_huge && !huge_dir) { u32 x, * mem_by_socket = 0; uword c = 0; u8 use_1g = 1; u8 use_2m = 1; u8 less_than_1g = 1; int rv; umount(DEFAULT_HUGE_DIR); /* 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); if (x > 1023) less_than_1g = 0; } /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */ unformat_free(&in); socket_mem = 0; } else { clib_bitmap_foreach (c, tm->cpu_socket_bitmap, ( { vec_validate(mem_by_socket, c); mem_by_socket[c] = 512; /* default per-socket mem */ } )); } /* check if available enough 1GB pages for each socket */ clib_bitmap_foreach (c, tm->cpu_socket_bitmap, ( { u32 pages_avail, page_size, mem; u8 *s = 0; u8 *p = 0; char * numa_path = "/sys/devices/system/node/node%u/"; char * nonnuma_path = "/sys/kernel/mm/"; char * suffix = "hugepages/hugepages-%ukB/free_hugepages%c"; char * path = NULL; struct stat sb_numa, sb_nonnuma; p = format(p, numa_path, c); stat(numa_path, &sb_numa); stat(nonnuma_path, &sb_nonnuma); if (S_ISDIR(sb_numa.st_mode)) { path = (char*)format((u8*)path, "%s%s", p, suffix); } else if (S_ISDIR(sb_nonnuma.st_mode)) { path = (char*)format((u8*)path, "%s%s", nonnuma_path, suffix); } else { use_1g = 0; use_2m = 0; vec_free(p); break; } vec_validate(mem_by_socket, c); mem = mem_by_socket[c]; page_size = 1024; pages_avail = 0; s = format (s, path, page_size * 1024, 0); vlib_sysfs_read ((char *) s, "%u", &pages_avail); vec_reset_length (s); if (page_size * pages_avail < mem) use_1g = 0; page_size = 2; pages_avail = 0; s = format (s, path, page_size * 1024, 0); vlib_sysfs_read ((char *) s, "%u", &pages_avail); vec_reset_length (s); if (page_size * pages_avail < mem) use_2m = 0; vec_free(s); vec_free(p); vec_free(path); })); _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); rv = mkdir(VPP_RUN_DIR, 0755); if (rv && errno != EEXIST) { error = clib_error_return (0, "mkdir '%s' failed errno %d", VPP_RUN_DIR, errno); goto done; } rv = mkdir(DEFAULT_HUGE_DIR, 0755); if (rv && errno != EEXIST) { error = clib_error_return (0, "mkdir '%s' failed errno %d", DEFAULT_HUGE_DIR, errno); goto done; } if (use_1g && !(less_than_1g && use_2m)) { rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G"); } else if (use_2m) { rv = mount("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL); } else { return clib_error_return (0, "not enough free huge pages"); } 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", DEFAULT_HUGE_DIR, 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 ; 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); } })); #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. */ log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE; rte_set_log_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]); ret = rte_eal_init(vec_len(conf->eal_init_args), (char **) conf->eal_init_args); /* lazy umount hugepages */ umount2(DEFAULT_HUGE_DIR, MNT_DETACH); 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); /* main thread 1st */ error = vlib_buffer_pool_create(vm, conf->num_mbufs, rte_socket_id()); if (error) return error; for (i = 0; i < RTE_MAX_LCORE; i++) { error = vlib_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->dev_type != VNET_DPDK_DEV_ETH) 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->admin_up; ed->old_link_state = (u8) vnet_hw_interface_is_link_up (vnm, xd->vlib_hw_if_index); ed->new_link_state = (u8) xd->link.link_status; } if ((xd->admin_up == 1) && ((xd->link.link_status != 0) ^ vnet_hw_interface_is_link_up (vnm, xd->vlib_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 RTE_VERSION >= RTE_VERSION_NUM(16, 4, 0, 0) 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; } } #else if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed)) { hw_flags_chg = 1; switch (xd->link.link_speed) { case ETH_LINK_SPEED_10: hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M; break; case ETH_LINK_SPEED_100: hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M; break; case ETH_LINK_SPEED_1000: hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G; break; case ETH_LINK_SPEED_10000: hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G; break; case ETH_LINK_SPEED_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; } } #endif 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->vlib_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(); void *vu_state; int i; error = dpdk_lib_init (dm); /* * Turn on the input node if we found some devices to drive * and we're not running worker threads or i/o threads */ if (error == 0 && vec_len(dm->devices) > 0) { if (tm->n_vlib_mains == 1) vlib_node_set_state (vm, dpdk_input_node.index, VLIB_NODE_STATE_POLLING); else for (i=0; i < tm->n_vlib_mains; i++) if (vec_len(dm->devices_by_cpu[i]) > 0) vlib_node_set_state (vlib_mains[i], dpdk_input_node.index, VLIB_NODE_STATE_POLLING); } if (error) clib_error_report (error); dpdk_vhost_user_process_init(&vu_state); dm->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_port_setup() but needs to be done again here to take effect. // 2. Set max L3 packet size of each bond interface to the lowerst value of // its slave links // 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++) { struct rte_eth_dev_info dev_info; rte_eth_dev_info_get(i, &dev_info); if (!dev_info.driver_name) dev_info.driver_name = dev_info.pci_dev->driver->name; ASSERT(dev_info.driver_name); if (strncmp(dev_info.driver_name, "rte_bond_pmd", 12) == 0) { u8 addr[6]; u8 slink[16]; int nlink = rte_eth_bond_slaves_get(i, slink, 16); if (nlink > 0) { vnet_hw_interface_t * bhi; ethernet_interface_t * bei; /* 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 */ rte_eth_bond_mac_address_set(i, (struct ether_addr *)addr); /* Populate MAC of bonded interface in VPP hw tables */ bhi = vnet_get_hw_interface( vnm, dm->devices[i].vlib_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_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; /* Add MAC to all slave links except the first one */ if (nlink) rte_eth_dev_mac_addr_add( slave, (struct ether_addr *)addr, 0); /* Set slaves bitmap for bonded interface */ bhi->bond_info = clib_bitmap_set( bhi->bond_info, sdev->vlib_hw_if_index, 1); /* Set slave link flags on slave interface */ shi = vnet_get_hw_interface(vnm, sdev->vlib_hw_if_index); ssi = vnet_get_sw_interface(vnm, sdev->vlib_sw_if_index); shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE; ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE; /* 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]; } } } } } } 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 (dpdk_get_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); if (xd->dev_type == VNET_DPDK_DEV_VHOST_USER) if (dpdk_vhost_user_process_if(vm, xd, vu_state) != 0) continue; } } dpdk_vhost_user_process_cleanup(vu_state); return 0; } VLIB_REGISTER_NODE (dpdk_process_node,static) = { .function = dpdk_process, .type = VLIB_NODE_TYPE_PROCESS, .name = "dpdk-process", .process_log2_n_stack_bytes = 17, }; int dpdk_set_stat_poll_interval (f64 interval) { if (interval < DPDK_MIN_STATS_POLL_INTERVAL) return (VNET_API_ERROR_INVALID_VALUE); dpdk_main.stat_poll_interval = interval; return 0; } int dpdk_set_link_state_poll_interval (f64 interval) { if (interval < DPDK_MIN_LINK_POLL_INTERVAL) return (VNET_API_ERROR_INVALID_VALUE); dpdk_main.link_state_poll_interval = interval; return 0; } clib_error_t * dpdk_init (vlib_main_t * vm) { dpdk_main_t * dm = &dpdk_main; vlib_node_t * ei; clib_error_t * error = 0; vlib_thread_main_t * tm = vlib_get_thread_main(); /* verify that structs are cacheline aligned */ ASSERT(offsetof(dpdk_device_t, cacheline0) == 0); ASSERT(offsetof(dpdk_device_t, cacheline1) == CLIB_CACHE_LINE_BYTES); ASSERT(offsetof(dpdk_worker_t, cacheline0) == 0); ASSERT(offsetof(frame_queue_trace_t, cacheline0) == 0); dm->vlib_main = vm; dm->vnet_main = vnet_get_main(); dm->conf = &dpdk_config_main; ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input"); if (ei == 0) return clib_error_return (0, "ethernet-input node AWOL"); dm->ethernet_input_node_index = ei->index; 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"); dm->dpdk_device_by_kni_port_id = hash_create (0, sizeof (uword)); dm->vu_sw_if_index_by_listener_fd = hash_create (0, sizeof (uword)); dm->vu_sw_if_index_by_sock_fd = hash_create (0, sizeof (uword)); /* $$$ use n_thread_stacks since it's known-good at this point */ vec_validate (dm->recycle, tm->n_thread_stacks - 1); /* initialize EFD (early fast discard) default settings */ dm->efd.enabled = DPDK_EFD_DISABLED; dm->efd.queue_hi_thresh = ((DPDK_EFD_DEFAULT_DEVICE_QUEUE_HI_THRESH_PCT * DPDK_NB_RX_DESC_10GE)/100); dm->efd.consec_full_frames_hi_thresh = DPDK_EFD_DEFAULT_CONSEC_FULL_FRAMES_HI_THRESH; /* vhost-user coalescence frames defaults */ dm->conf->vhost_coalesce_frames = 32; dm->conf->vhost_coalesce_time = 1e-3; /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */ dm->buffer_flags_template = (VLIB_BUFFER_TOTAL_LENGTH_VALID | IP_BUFFER_L4_CHECKSUM_COMPUTED | IP_BUFFER_L4_CHECKSUM_CORRECT); 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);