/* * 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 #include #include #include #include #include #include #include #include #include #include #include #include dpdk_main_t dpdk_main; dpdk_config_main_t dpdk_config_main; #define LINK_STATE_ELOGS 0 /* dev_info.speed_capa -> interface name mapppings */ const struct { u32 link_speed; const char *pfx; } if_name_prefixes[] = { /* sorted, higher speed first */ { RTE_ETH_LINK_SPEED_200G, "TwoHundredGigabitEthernet" }, { RTE_ETH_LINK_SPEED_100G, "HundredGigabitEthernet" }, { RTE_ETH_LINK_SPEED_56G, "FiftySixGigabitEthernet" }, { RTE_ETH_LINK_SPEED_50G, "FiftyGigabitEthernet" }, { RTE_ETH_LINK_SPEED_40G, "FortyGigabitEthernet" }, { RTE_ETH_LINK_SPEED_25G, "TwentyFiveGigabitEthernet" }, { RTE_ETH_LINK_SPEED_20G, "TwentyGigabitEthernet" }, { RTE_ETH_LINK_SPEED_10G, "TenGigabitEthernet" }, { RTE_ETH_LINK_SPEED_5G, "FiveGigabitEthernet" }, { RTE_ETH_LINK_SPEED_2_5G, "TwoDotFiveGigabitEthernet" }, { RTE_ETH_LINK_SPEED_1G, "GigabitEthernet" }, }; static clib_error_t * dpdk_set_max_frame_size (vnet_main_t *vnm, vnet_hw_interface_t *hi, u32 frame_size) { dpdk_main_t *dm = &dpdk_main; dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance); int rv; u32 mtu; mtu = frame_size - xd->driver_frame_overhead; rv = rte_eth_dev_set_mtu (xd->port_id, mtu); if (rv < 0) { dpdk_log_err ("[%u] rte_eth_dev_set_mtu failed (mtu %u, rv %d)", xd->port_id, mtu, rv); switch (rv) { case -ENOTSUP: return vnet_error (VNET_ERR_UNSUPPORTED, "dpdk driver doesn't support MTU change"); case -EBUSY: return vnet_error (VNET_ERR_BUSY, "port is running"); case -EINVAL: return vnet_error (VNET_ERR_INVALID_VALUE, "invalid MTU"); default: return vnet_error (VNET_ERR_BUG, "unexpected return value %d returned from " "rte_eth_dev_set_mtu(...)", rv); } } else dpdk_log_debug ("[%u] max_frame_size set to %u by setting MTU to %u", xd->port_id, frame_size, mtu); 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 = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0; switch (flags) { case ETHERNET_INTERFACE_FLAG_DEFAULT_L3: /* set to L3/non-promisc mode */ dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_PROMISC, 0); break; case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL: dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_PROMISC, 1); break; default: return ~0; } if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) { if (xd->flags & DPDK_DEVICE_FLAG_PROMISC) rte_eth_promiscuous_enable (xd->port_id); else rte_eth_promiscuous_disable (xd->port_id); } return old; } /* The function check_l3cache helps check if Level 3 cache exists or not on current CPUs return value 1: exist. return value 0: not exist. */ static int check_l3cache () { struct dirent *dp; clib_error_t *err; const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache"; DIR *dir_cache = opendir (sys_cache_dir); if (dir_cache == NULL) return -1; while ((dp = readdir (dir_cache)) != NULL) { if (dp->d_type == DT_DIR) { u8 *p = NULL; int level_cache = -1; p = format (p, "%s/%s/%s%c", sys_cache_dir, dp->d_name, "level", 0); if ((err = clib_sysfs_read ((char *) p, "%d", &level_cache))) clib_error_free (err); if (level_cache == 3) { closedir (dir_cache); return 1; } } } if (dir_cache != NULL) closedir (dir_cache); return 0; } static dpdk_device_config_t * dpdk_find_startup_config (struct rte_eth_dev_info *di) { dpdk_main_t *dm = &dpdk_main; struct rte_pci_device *pci_dev; vlib_pci_addr_t pci_addr; #ifdef __linux__ struct rte_vmbus_device *vmbus_dev; vlib_vmbus_addr_t vmbus_addr; #endif /* __linux__ */ uword *p = 0; if ((pci_dev = dpdk_get_pci_device (di))) { pci_addr.domain = pci_dev->addr.domain; pci_addr.bus = pci_dev->addr.bus; pci_addr.slot = pci_dev->addr.devid; pci_addr.function = pci_dev->addr.function; p = hash_get (dm->conf->device_config_index_by_pci_addr, pci_addr.as_u32); } #ifdef __linux__ if ((vmbus_dev = dpdk_get_vmbus_device (di))) { unformat_input_t input_vmbus; #if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0) const char *dev_name = rte_dev_name (di->device); #else const char *dev_name = di->device->name; #endif unformat_init_string (&input_vmbus, dev_name, strlen (dev_name)); if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr, &vmbus_addr)) p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr, &vmbus_addr); unformat_free (&input_vmbus); } #endif /* __linux__ */ if (p) return pool_elt_at_index (dm->conf->dev_confs, p[0]); return &dm->conf->default_devconf; } /* * Initialise or refresh the xstats counters for a device */ void dpdk_counters_xstats_init (dpdk_device_t *xd) { int len, ret, i; struct rte_eth_xstat_name *xstats_names = 0; char *name; dpdk_driver_t *dr = xd->driver; /* Only support xstats for supported drivers */ if (!dr) return; len = rte_eth_xstats_get_names (xd->port_id, 0, 0); if (len < 0) { dpdk_log_err ("[%u] rte_eth_xstats_get_names failed: %d", xd->port_id, len); return; } /* Counters for this driver is already initialised */ if (vec_len (dr->xstats_counters) == len) { vec_foreach_index (i, dr->xstats_counters) { vlib_validate_simple_counter (&dr->xstats_counters[i], xd->sw_if_index); vlib_zero_simple_counter (&dr->xstats_counters[i], xd->sw_if_index); } return; } /* Same driver, different interface, different length of counter array. */ ASSERT (vec_len (dr->xstats_counters) == 0); vec_validate (xstats_names, len - 1); ret = rte_eth_xstats_get_names (xd->port_id, xstats_names, len); if (ret >= 0 && ret <= len) { vec_validate (dr->xstats_counters, len - 1); vec_foreach_index (i, xstats_names) { name = (char *) format (0, "/if/%s/%s%c", dr->drivers->name, xstats_names[i].name, 0); /* There is a bug in the ENA driver where the xstats names are not * unique. */ if (vlib_stats_find_entry_index (name) != STAT_SEGMENT_INDEX_INVALID) { vec_free (name); name = (char *) format (0, "/if/%s/%s_%d%c", dr->drivers->name, xstats_names[i].name, i, 0); } dr->xstats_counters[i].name = name; dr->xstats_counters[i].stat_segment_name = name; dr->xstats_counters[i].counters = 0; vlib_validate_simple_counter (&dr->xstats_counters[i], xd->sw_if_index); vlib_zero_simple_counter (&dr->xstats_counters[i], xd->sw_if_index); vec_free (name); } } vec_free (xstats_names); } static clib_error_t * dpdk_lib_init (dpdk_main_t * dm) { vnet_main_t *vnm = vnet_get_main (); u16 port_id; 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; char *if_num_fmt; /* vlib_buffer_t template */ vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1, CLIB_CACHE_LINE_BYTES); for (int i = 0; i < tm->n_vlib_mains; i++) { dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i); clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t)); vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0; } if_num_fmt = dm->conf->interface_name_format_decimal ? "%d/%d/%d" : "%x/%x/%x"; /* device config defaults */ dm->default_port_conf.n_rx_desc = DPDK_NB_RX_DESC_DEFAULT; dm->default_port_conf.n_tx_desc = DPDK_NB_TX_DESC_DEFAULT; dm->default_port_conf.n_rx_queues = 1; dm->default_port_conf.n_tx_queues = tm->n_vlib_mains; dm->default_port_conf.rss_hf = RTE_ETH_RSS_IP | RTE_ETH_RSS_UDP | RTE_ETH_RSS_TCP; dm->default_port_conf.max_lro_pkt_size = DPDK_MAX_LRO_SIZE_DEFAULT; if ((clib_mem_get_default_hugepage_size () == 2 << 20) && check_l3cache () == 0) dm->default_port_conf.n_rx_desc = dm->default_port_conf.n_tx_desc = 512; RTE_ETH_FOREACH_DEV (port_id) { u8 addr[6]; int rv, q; struct rte_eth_dev_info di; dpdk_device_config_t *devconf = 0; vnet_eth_interface_registration_t eir = {}; dpdk_driver_t *dr; i8 numa_node; if (!rte_eth_dev_is_valid_port (port_id)) continue; if ((rv = rte_eth_dev_info_get (port_id, &di)) != 0) { dpdk_log_warn ("[%u] failed to get device info. skipping device.", port_id); continue; } if (di.device == 0) { dpdk_log_warn ("[%u] missing device info. Skipping '%s' device", port_id, di.driver_name); continue; } devconf = dpdk_find_startup_config (&di); /* If device is blacklisted, we should skip it */ if (devconf->is_blacklisted) { dpdk_log_notice ("[%d] Device %s blacklisted. Skipping...", port_id, di.driver_name); continue; } vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES); xd->port_id = port_id; xd->device_index = xd - dm->devices; xd->per_interface_next_index = ~0; clib_memcpy (&xd->conf, &dm->default_port_conf, sizeof (dpdk_port_conf_t)); /* find driver datea for this PMD */ if ((dr = dpdk_driver_find (di.driver_name, &xd->if_desc))) { xd->driver = dr; xd->supported_flow_actions = dr->supported_flow_actions; xd->conf.disable_rss = dr->mq_mode_none; xd->conf.disable_rx_scatter = dr->disable_rx_scatter; xd->conf.enable_rxq_int = dr->enable_rxq_int; if (dr->use_intel_phdr_cksum) dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM, 1); if (dr->int_unmaskable) dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INT_UNMASKABLE, 1); } else dpdk_log_warn ("[%u] unknown driver '%s'", port_id, di.driver_name); if (devconf->name) { xd->name = devconf->name; } else { struct rte_pci_device *pci_dev; if (dr && dr->interface_name_prefix) { /* prefix override by driver */ xd->name = format (xd->name, "%s", dr->interface_name_prefix); } else { /* interface name prefix from speed_capa */ u64 mask = ~((if_name_prefixes[0].link_speed << 1) - 1); if (di.speed_capa & mask) dpdk_log_warn ("[%u] unknown speed capability 0x%x reported", xd->port_id, di.speed_capa & mask); for (int i = 0; i < ARRAY_LEN (if_name_prefixes); i++) if (if_name_prefixes[i].link_speed & di.speed_capa) { xd->name = format (xd->name, "%s", if_name_prefixes[i].pfx); break; } if (xd->name == 0) xd->name = format (xd->name, "Ethernet"); } if (dr && dr->interface_number_from_port_id) xd->name = format (xd->name, "%u", port_id); else if ((pci_dev = dpdk_get_pci_device (&di))) xd->name = format (xd->name, if_num_fmt, pci_dev->addr.bus, pci_dev->addr.devid, pci_dev->addr.function); else xd->name = format (xd->name, "%u", port_id); /* Handle representor devices that share the same PCI ID */ if ((di.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) && (di.switch_info.port_id != (uint16_t) -1)) xd->name = format (xd->name, "/%d", di.switch_info.port_id); } /* number of RX and TX queues */ if (devconf->num_tx_queues > 0) { if (di.max_tx_queues < devconf->num_tx_queues) dpdk_log_warn ("[%u] Configured number of TX queues (%u) is " "bigger than maximum supported (%u)", port_id, devconf->num_tx_queues, di.max_tx_queues); xd->conf.n_tx_queues = devconf->num_tx_queues; } xd->conf.n_tx_queues = clib_min (di.max_tx_queues, xd->conf.n_tx_queues); if (devconf->num_rx_queues > 1 && di.max_rx_queues >= devconf->num_rx_queues) { xd->conf.n_rx_queues = devconf->num_rx_queues; if (devconf->rss_fn) { u64 unsupported_bits; xd->conf.rss_hf = devconf->rss_fn; unsupported_bits = xd->conf.rss_hf; unsupported_bits &= ~di.flow_type_rss_offloads; if (unsupported_bits) dpdk_log_warn ("Unsupported RSS hash functions: %U", format_dpdk_rss_hf_name, unsupported_bits); } xd->conf.rss_hf &= di.flow_type_rss_offloads; dpdk_log_debug ("[%u] rss_hf: %U", port_id, format_dpdk_rss_hf_name, xd->conf.rss_hf); } #ifndef RTE_VLAN_HLEN #define RTE_VLAN_HLEN 4 #endif xd->driver_frame_overhead = RTE_ETHER_HDR_LEN + 2 * RTE_VLAN_HLEN + RTE_ETHER_CRC_LEN; #if RTE_VERSION >= RTE_VERSION_NUM(21, 11, 0, 0) q = di.max_rx_pktlen - di.max_mtu; /* attempt to protect from bogus value provided by pmd */ if (q < (2 * xd->driver_frame_overhead) && q > 0 && di.max_mtu != UINT16_MAX) xd->driver_frame_overhead = q; dpdk_log_debug ("[%u] min_mtu: %u, max_mtu: %u, min_rx_bufsize: %u, " "max_rx_pktlen: %u, max_lro_pkt_size: %u", xd->port_id, di.min_mtu, di.max_mtu, di.min_rx_bufsize, di.max_rx_pktlen, di.max_lro_pkt_size); #endif dpdk_log_debug ("[%u] driver frame overhead is %u", port_id, xd->driver_frame_overhead); /* number of RX and TX tescriptors */ if (devconf->num_rx_desc) xd->conf.n_rx_desc = devconf->num_rx_desc; else if (dr && dr->n_rx_desc) xd->conf.n_rx_desc = dr->n_rx_desc; if (devconf->num_tx_desc) xd->conf.n_tx_desc = devconf->num_tx_desc; else if (dr && dr->n_tx_desc) xd->conf.n_tx_desc = dr->n_tx_desc; dpdk_log_debug ( "[%u] n_rx_queues: %u n_tx_queues: %u n_rx_desc: %u n_tx_desc: %u", port_id, xd->conf.n_rx_queues, xd->conf.n_tx_queues, xd->conf.n_rx_desc, xd->conf.n_tx_desc); vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1, CLIB_CACHE_LINE_BYTES); vec_validate_aligned (xd->tx_queues, xd->conf.n_tx_queues - 1, CLIB_CACHE_LINE_BYTES); rte_eth_macaddr_get (port_id, (void *) addr); /* create interface */ eir.dev_class_index = dpdk_device_class.index; eir.dev_instance = xd->device_index; eir.address = addr; eir.cb.flag_change = dpdk_flag_change; eir.cb.set_max_frame_size = dpdk_set_max_frame_size; xd->hw_if_index = vnet_eth_register_interface (vnm, &eir); hi = vnet_get_hw_interface (vnm, xd->hw_if_index); numa_node = (i8) rte_eth_dev_socket_id (port_id); if (numa_node == SOCKET_ID_ANY) /* numa_node is not set, default to 0 */ hi->numa_node = xd->cpu_socket = 0; else hi->numa_node = xd->cpu_socket = numa_node; sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index); xd->sw_if_index = sw->sw_if_index; dpdk_log_debug ("[%u] interface %v created", port_id, hi->name); if (devconf->tag) vnet_set_sw_interface_tag (vnm, devconf->tag, sw->sw_if_index); ethernet_set_flags (vnm, xd->hw_if_index, ETHERNET_INTERFACE_FLAG_DEFAULT_L3); /* assign worker threads */ vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index); if (devconf->workers) { int j; q = 0; clib_bitmap_foreach (j, devconf->workers) { dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q); rxq->queue_index = vnet_hw_if_register_rx_queue ( vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j); } } else for (q = 0; q < xd->conf.n_rx_queues; q++) { dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q); rxq->queue_index = vnet_hw_if_register_rx_queue ( vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY); } for (q = 0; q < xd->conf.n_tx_queues; q++) { dpdk_tx_queue_t *txq = vec_elt_at_index (xd->tx_queues, q); txq->queue_index = vnet_hw_if_register_tx_queue (vnm, xd->hw_if_index, q); } for (q = 0; q < tm->n_vlib_mains; q++) { u32 qi = xd->tx_queues[q % xd->conf.n_tx_queues].queue_index; vnet_hw_if_tx_queue_assign_thread (vnm, qi, q); } if (devconf->tso == DPDK_DEVICE_TSO_ON) { /*tcp_udp checksum must be enabled*/ if (xd->conf.enable_tcp_udp_checksum == 0) dpdk_log_warn ("[%u] TCP/UDP checksum offload must be enabled", xd->port_id); else if ((di.tx_offload_capa & RTE_ETH_TX_OFFLOAD_TCP_TSO) == 0) dpdk_log_warn ("[%u] TSO not supported by device", xd->port_id); else xd->conf.enable_tso = 1; } if (devconf->max_lro_pkt_size) xd->conf.max_lro_pkt_size = devconf->max_lro_pkt_size; if (devconf->disable_rxq_int) xd->conf.enable_rxq_int = 0; dpdk_device_setup (xd); /* rss queues should be configured after dpdk_device_setup() */ if (devconf->rss_queues) { if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi, devconf->rss_queues)) dpdk_log_warn ("[%u] Failed to set rss queues", port_id); } if (vec_len (xd->errors)) dpdk_log_err ("[%u] setup failed Errors:\n %U", port_id, format_dpdk_device_errors, xd); dpdk_counters_xstats_init (xd); } for (int i = 0; i < vec_len (dm->devices); i++) vnet_hw_if_update_runtime_data (vnm, dm->devices[i].hw_if_index); return 0; } static void dpdk_bind_devices_to_uio (dpdk_config_main_t * conf) { vlib_main_t *vm = vlib_get_main (); clib_error_t *error; u8 *pci_addr = 0; int num_whitelisted = vec_len (conf->dev_confs); vlib_pci_device_info_t *d = 0; vlib_pci_addr_t *addr = 0, *addrs; int i; addrs = vlib_pci_get_all_dev_addrs (); vec_foreach (addr, addrs) { dpdk_device_config_t * devconf = 0; vec_reset_length (pci_addr); pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0); if (d) { vlib_pci_free_device_info (d); d = 0; } d = vlib_pci_get_device_info (vm, addr, &error); if (error) { vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error); clib_error_free (error); continue; } #ifdef __FreeBSD__ /* * The defines for the PCI_CLASS_* types are platform specific and differ * on FreeBSD. */ if (d->device_class != PCI_CLASS_NETWORK && d->device_class != PCI_CLASS_PROCESSOR_CO) continue; #else if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO) continue; #endif /* __FreeBSD__ */ if (num_whitelisted) { uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32); if (!p) { skipped_pci: continue; } devconf = pool_elt_at_index (conf->dev_confs, p[0]); } /* Enforce Device blacklist by vendor and device */ for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++) { u16 vendor, device; vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16); device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF); if (d->vendor_id == vendor && d->device_id == device) { /* * Expected case: device isn't whitelisted, * so blacklist it... */ if (devconf == 0) { /* Device is blacklisted */ pool_get (conf->dev_confs, devconf); hash_set (conf->device_config_index_by_pci_addr, addr->as_u32, devconf - conf->dev_confs); devconf->pci_addr.as_u32 = addr->as_u32; devconf->dev_addr_type = VNET_DEV_ADDR_PCI; devconf->is_blacklisted = 1; goto skipped_pci; } else /* explicitly whitelisted, ignore the device blacklist */ break; } } /* 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) { /* * For vmxnet3 PCI, unless it is explicitly specified in the whitelist, * the default is to put it in the blacklist. */ if (devconf == 0) { pool_get (conf->dev_confs, devconf); hash_set (conf->device_config_index_by_pci_addr, addr->as_u32, devconf - conf->dev_confs); devconf->pci_addr.as_u32 = addr->as_u32; devconf->is_blacklisted = 1; } } /* 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 == 0x18a1 || d->device_id == 0x19e3 || d->device_id == 0x37c9 || d->device_id == 0x6f55 || d->device_id == 0x18ef || d->device_id == 0x4941 || d->device_id == 0x4943 || d->device_id == 0x4945)) ; /* Cisco VIC */ else if (d->vendor_id == 0x1137 && (d->device_id == 0x0043 || d->device_id == 0x0071)) ; /* Chelsio T4/T5 */ else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000) ; /* Amazon Elastic Network Adapter */ else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21) ; /* Cavium Network Adapter */ else if (d->vendor_id == 0x177d && d->device_id == 0x9712) ; /* Cavium FastlinQ QL41000 Series */ else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090) ; /* Mellanox CX3, CX3VF */ else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004) { continue; } /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */ else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a) { continue; } /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF, CX6LX */ else if (d->vendor_id == 0x15b3 && (d->device_id >= 0x101b && d->device_id <= 0x101f)) { continue; } /* Mellanox CX7 */ else if (d->vendor_id == 0x15b3 && d->device_id == 0x1021) { continue; } /* Mellanox BF, BFVF */ else if (d->vendor_id == 0x15b3 && (d->device_id >= 0xa2d2 && d->device_id <= 0Xa2d3)) { continue; } /* Mellanox BF2, BF3 */ else if (d->vendor_id == 0x15b3 && (d->device_id == 0xa2d6 || d->device_id == 0xa2dc)) { continue; } /* Broadcom NetXtreme S, and E series only */ else if (d->vendor_id == 0x14e4 && ((d->device_id >= 0x16c0 && d->device_id != 0x16c6 && d->device_id != 0x16c7 && d->device_id != 0x16dd && d->device_id != 0x16f7 && d->device_id != 0x16fd && d->device_id != 0x16fe && d->device_id != 0x170d && d->device_id != 0x170c && d->device_id != 0x170e && d->device_id != 0x1712 && d->device_id != 0x1713) || (d->device_id == 0x1604 || d->device_id == 0x1605 || d->device_id == 0x1614 || d->device_id == 0x1606 || d->device_id == 0x1609 || d->device_id == 0x1614))) ; /* Google vNIC */ else if (d->vendor_id == 0x1ae0 && d->device_id == 0x0042) ; else { dpdk_log_warn ("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 (vm, addr, (char *) conf->uio_driver_name, conf->uio_bind_force); if (error) { if (devconf == 0) { pool_get (conf->dev_confs, devconf); hash_set (conf->device_config_index_by_pci_addr, addr->as_u32, devconf - conf->dev_confs); devconf->pci_addr.as_u32 = addr->as_u32; } devconf->dev_addr_type = VNET_DEV_ADDR_PCI; devconf->is_blacklisted = 1; clib_error_report (error); } } vec_free (pci_addr); vlib_pci_free_device_info (d); } static void dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf) { clib_error_t *error; vlib_vmbus_addr_t *addrs, *addr = 0; int num_whitelisted = vec_len (conf->dev_confs); int i; addrs = vlib_vmbus_get_all_dev_addrs (); vec_foreach (addr, addrs) { dpdk_device_config_t *devconf = 0; if (num_whitelisted) { uword *p = mhash_get (&conf->device_config_index_by_vmbus_addr, addr); if (!p) { /* No devices blacklisted, but have whitelisted. blacklist all * non-whitelisted */ pool_get (conf->dev_confs, devconf); mhash_set (&conf->device_config_index_by_vmbus_addr, addr, devconf - conf->dev_confs, 0); devconf->vmbus_addr = *addr; devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS; devconf->is_blacklisted = 1; skipped_vmbus: continue; } devconf = pool_elt_at_index (conf->dev_confs, p[0]); } /* Enforce Device blacklist by vmbus_addr */ for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++) { vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i]; vlib_vmbus_addr_t *a2 = addr; if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0) { if (devconf == 0) { /* Device not whitelisted */ pool_get (conf->dev_confs, devconf); mhash_set (&conf->device_config_index_by_vmbus_addr, addr, devconf - conf->dev_confs, 0); devconf->vmbus_addr = *addr; devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS; devconf->is_blacklisted = 1; goto skipped_vmbus; } else { break; } } } error = vlib_vmbus_bind_to_uio (addr); if (error) { if (devconf == 0) { pool_get (conf->dev_confs, devconf); mhash_set (&conf->device_config_index_by_vmbus_addr, addr, devconf - conf->dev_confs, 0); devconf->vmbus_addr = *addr; } devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS; devconf->is_blacklisted = 1; clib_error_report (error); } } } uword unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va) { uword *max_simd_bitwidth = va_arg (*va, uword *); while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT) { if (!unformat (input, "%u", max_simd_bitwidth)) goto error; if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 && *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512) goto error; } return 1; error: return 0; } static clib_error_t * dpdk_device_config (dpdk_config_main_t *conf, void *addr, dpdk_device_addr_type_t addr_type, unformat_input_t *input, u8 is_default) { clib_error_t *error = 0; uword *p; dpdk_device_config_t *devconf = 0; unformat_input_t sub_input; if (is_default) { devconf = &conf->default_devconf; } else if (addr_type == VNET_DEV_ADDR_PCI) { p = hash_get (conf->device_config_index_by_pci_addr, ((vlib_pci_addr_t *) (addr))->as_u32); if (!p) { pool_get (conf->dev_confs, devconf); hash_set (conf->device_config_index_by_pci_addr, ((vlib_pci_addr_t *) (addr))->as_u32, devconf - conf->dev_confs); } else return clib_error_return (0, "duplicate configuration for PCI address %U", format_vlib_pci_addr, addr); } else if (addr_type == VNET_DEV_ADDR_VMBUS) { p = mhash_get (&conf->device_config_index_by_vmbus_addr, (vlib_vmbus_addr_t *) (addr)); if (!p) { pool_get (conf->dev_confs, devconf); mhash_set (&conf->device_config_index_by_vmbus_addr, addr, devconf - conf->dev_confs, 0); } else return clib_error_return ( 0, "duplicate configuration for VMBUS address %U", format_vlib_vmbus_addr, addr); } if (addr_type == VNET_DEV_ADDR_PCI) { devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32; devconf->tso = DPDK_DEVICE_TSO_DEFAULT; devconf->dev_addr_type = VNET_DEV_ADDR_PCI; } else if (addr_type == VNET_DEV_ADDR_VMBUS) { devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr)); devconf->tso = DPDK_DEVICE_TSO_DEFAULT; devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS; } 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, "name %v", &devconf->name)) ; else if (unformat (input, "tag %s", &devconf->tag)) ; 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, "no-rx-interrupts")) { devconf->disable_rxq_int = 1; } else if (unformat (input, "tso on")) { devconf->tso = DPDK_DEVICE_TSO_ON; } else if (unformat (input, "tso off")) { devconf->tso = DPDK_DEVICE_TSO_OFF; } else if (unformat (input, "devargs %s", &devconf->devargs)) ; else if (unformat (input, "rss-queues %U", unformat_bitmap_list, &devconf->rss_queues)) ; else if (unformat (input, "max-lro-pkt-size %u", &devconf->max_lro_pkt_size)) ; 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 threads must be " "equal to number of rx queues", format_vlib_pci_addr, addr); return error; } static clib_error_t * dpdk_log_read_ready (clib_file_t * uf) { unformat_input_t input; u8 *line, *s = 0; int n, n_try; n = n_try = 4096; while (n == n_try) { uword len = vec_len (s); vec_resize (s, len + n_try); n = read (uf->file_descriptor, s + len, n_try); if (n < 0 && errno != EAGAIN) return clib_error_return_unix (0, "read"); vec_set_len (s, len + (n < 0 ? 0 : n)); } unformat_init_vector (&input, s); while (unformat_user (&input, unformat_line, &line)) { int skip = 0; vec_add1 (line, 0); /* unfortunatelly DPDK polutes log with this error messages * even when we pass --in-memory which means no secondary process */ if (strstr ((char *) line, "WARNING! Base virtual address hint")) skip = 1; else if (strstr ((char *) line, "This may cause issues with mapping " "memory into secondary processes")) skip = 1; vec_pop (line); if (!skip) dpdk_log_notice ("%v", line); vec_free (line); } unformat_free (&input); return 0; } static clib_error_t * dpdk_set_stat_poll_interval (f64 interval) { if (interval < DPDK_MIN_STATS_POLL_INTERVAL) return clib_error_return (0, "wrong stats-poll-interval value"); dpdk_main.stat_poll_interval = interval; return 0; } static clib_error_t * dpdk_set_link_state_poll_interval (f64 interval) { if (interval < DPDK_MIN_LINK_POLL_INTERVAL) return clib_error_return (0, "wrong link-state-poll-interval value"); dpdk_main.link_state_poll_interval = interval; return 0; } static clib_error_t * dpdk_config (vlib_main_t * vm, unformat_input_t * input) { dpdk_main_t *dm = &dpdk_main; clib_error_t *error = 0; dpdk_config_main_t *conf = &dpdk_config_main; dpdk_device_config_t *devconf; vlib_pci_addr_t pci_addr = { 0 }; vlib_vmbus_addr_t vmbus_addr = { 0 }; unformat_input_t sub_input; #ifdef __linux vlib_thread_main_t *tm = vlib_get_thread_main (); uword default_hugepage_sz, x; u8 file_prefix = 0; #endif /* __linux__ */ u8 *s, *tmp = 0; int ret, i; int num_whitelisted = 0; int eal_no_hugetlb = 0; u8 no_pci = 0; u8 no_vmbus = 0; u8 *socket_mem = 0; u32 vendor, device, domain, bus, func; void *fmt_func; void *fmt_addr; f64 poll_interval; conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword)); mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword), sizeof (vlib_vmbus_addr_t)); 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"); eal_no_hugetlb = 1; } else if (unformat (input, "telemetry")) conf->enable_telemetry = 1; else if (unformat (input, "enable-tcp-udp-checksum")) { dm->default_port_conf.enable_tcp_udp_checksum = 1; if (unformat (input, "enable-outer-checksum-offload")) dm->default_port_conf.enable_outer_checksum_offload = 1; } else if (unformat (input, "no-tx-checksum-offload")) dm->default_port_conf.disable_tx_checksum_offload = 1; else if (unformat (input, "decimal-interface-names")) conf->interface_name_format_decimal = 1; else if (unformat (input, "no-multi-seg")) dm->default_port_conf.disable_multi_seg = 1; else if (unformat (input, "enable-lro")) dm->default_port_conf.enable_lro = 1; else if (unformat (input, "max-simd-bitwidth %U", unformat_max_simd_bitwidth, &conf->max_simd_bitwidth)) ; else if (unformat (input, "link-state-poll-interval %f", &poll_interval)) { error = dpdk_set_link_state_poll_interval (poll_interval); if (error != 0) return error; } else if (unformat (input, "stats-poll-interval %f", &poll_interval)) { error = dpdk_set_stat_poll_interval (poll_interval); if (error != 0) return error; } else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input, &sub_input)) { error = dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &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, VNET_DEV_ADDR_PCI, &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, VNET_DEV_ADDR_PCI, 0, 0); if (error) return error; num_whitelisted++; } else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr, &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input)) { error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, &sub_input, 0); if (error) return error; num_whitelisted++; } else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr, &vmbus_addr)) { error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0); if (error) return error; num_whitelisted++; } else if (unformat (input, "uio-driver %s", &conf->uio_driver_name)) ; else if (unformat (input, "uio-bind-force")) conf->uio_bind_force = 1; 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, "blacklist %U", unformat_vlib_vmbus_addr, &vmbus_addr)) { vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr); } else if (unformat (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func)) { tmp = format (0, "-b%c", 0); vec_add1 (conf->eal_init_args, tmp); tmp = format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0); vec_add1 (conf->eal_init_args, tmp); } else if (unformat (input, "blacklist %x:%x", &vendor, &device)) { u32 blacklist_entry; if (vendor > 0xFFFF) return clib_error_return (0, "blacklist PCI vendor out of range"); if (device > 0xFFFF) return clib_error_return (0, "blacklist PCI device out of range"); blacklist_entry = (vendor << 16) | (device & 0xffff); vec_add1 (conf->blacklist_by_pci_vendor_and_device, blacklist_entry); } else if (unformat (input, "no-vmbus")) { no_vmbus = 1; tmp = format (0, "--no-vmbus%c", 0); vec_add1 (conf->eal_init_args, tmp); } #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 _ #ifdef __linux__ #define _(a) \ else if (unformat(input, #a " %s", &s)) \ { \ 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 _ #endif /* __linux__ */ #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 _ else if (unformat (input, "default")) ; else if (unformat_skip_white_space (input)) ; else return clib_error_return (0, "unknown input `%U'", format_unformat_error, input); } if (!conf->uio_driver_name) conf->uio_driver_name = format (0, "auto%c", 0); if (eal_no_hugetlb == 0) { vec_add1 (conf->eal_init_args, (u8 *) "--in-memory"); #ifdef __linux__ /* * FreeBSD performs huge page prealloc through a dedicated kernel mode * this process is only required on Linux. */ default_hugepage_sz = clib_mem_get_default_hugepage_size (); clib_bitmap_foreach (x, tm->cpu_socket_bitmap) { clib_error_t *e; uword n_pages; /* preallocate at least 16MB of hugepages per socket, if more is needed it is up to consumer to preallocate more */ n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz); n_pages /= default_hugepage_sz; if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages))) clib_error_report (e); } #endif /* __linux__ */ } /* on/off dpdk's telemetry thread */ if (conf->enable_telemetry == 0) { vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry"); } #ifdef __linux__ 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); } #endif if (no_pci == 0 && geteuid () == 0) dpdk_bind_devices_to_uio (conf); if (no_vmbus == 0 && geteuid () == 0) dpdk_bind_vmbus_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 /* copy tso config from default device */ _ (tso) /* copy tso config from default device */ _ (devargs) /* copy rss_queues config from default device */ _ (rss_queues) /* assume that default is PCI */ fmt_func = format_vlib_pci_addr; fmt_addr = &devconf->pci_addr; if (devconf->dev_addr_type == VNET_DEV_ADDR_VMBUS) { fmt_func = format_vlib_vmbus_addr; fmt_addr = &devconf->vmbus_addr; } /* add DPDK EAL whitelist/blacklist entry */ if (num_whitelisted > 0 && devconf->is_blacklisted == 0) { tmp = format (0, "-a%c", 0); vec_add1 (conf->eal_init_args, tmp); if (devconf->devargs) { tmp = format (0, "%U,%s%c", fmt_func, fmt_addr, devconf->devargs, 0); } else { tmp = format (0, "%U%c", fmt_func, fmt_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", fmt_func, fmt_addr, 0); vec_add1 (conf->eal_init_args, tmp); } } #undef _ if (socket_mem) clib_warning ("socket-mem argument is deprecated"); /* NULL terminate the "argv" vector, in case of stupidity */ vec_add1 (conf->eal_init_args, 0); vec_dec_len (conf->eal_init_args, 1); /* Set up DPDK eal and packet mbuf pool early. */ int log_fds[2] = { 0 }; if (pipe (log_fds) == 0) { if (fcntl (log_fds[0], F_SETFL, O_NONBLOCK) == 0 && fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0) { FILE *f = fdopen (log_fds[1], "a"); if (f && rte_openlog_stream (f) == 0) { clib_file_t t = { 0 }; t.read_function = dpdk_log_read_ready; t.file_descriptor = log_fds[0]; t.description = format (0, "DPDK logging pipe"); clib_file_add (&file_main, &t); } } else { close (log_fds[0]); close (log_fds[1]); } } 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]); vec_terminate_c_string (conf->eal_init_args_str); dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str); ret = rte_eal_init (vec_len (conf->eal_init_args), (char **) conf->eal_init_args); if (ret < 0) return clib_error_return (0, "rte_eal_init returned %d", ret); /* enable the AVX-512 vPMDs in DPDK */ if (clib_cpu_supports_avx512_bitalg () && conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT) rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512); else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT) rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_256 ? RTE_VECT_SIMD_256 : RTE_VECT_SIMD_512); /* main thread 1st */ if ((error = dpdk_buffer_pools_create (vm))) return error; return 0; } 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; xd->time_last_link_update = now ? now : xd->time_last_link_update; clib_memset (&xd->link, 0, sizeof (xd->link)); rte_eth_link_get_nowait (xd->port_id, &xd->link); if (LINK_STATE_ELOGS) { 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 (&vlib_global_main.elog_main, e); ed->sw_if_index = xd->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; } hw_flags_chg = ((xd->link.link_duplex != prev_link.link_duplex) || (xd->link.link_status != prev_link.link_status)); if (xd->link.link_speed != prev_link.link_speed) vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index, (xd->link.link_speed == UINT32_MAX) ? UINT32_MAX : xd->link.link_speed * 1000); if (hw_flags_chg) { if (xd->link.link_status) hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP; switch (xd->link.link_duplex) { case RTE_ETH_LINK_HALF_DUPLEX: hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX; break; case RTE_ETH_LINK_FULL_DUPLEX: hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX; break; default: break; } if (LINK_STATE_ELOGS) { 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 (&vlib_global_main.elog_main, e); ed->sw_if_index = xd->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; dpdk_main_t *dm = &dpdk_main; dpdk_device_t *xd; vlib_thread_main_t *tm = vlib_get_thread_main (); vlib_worker_thread_barrier_sync (vm); error = dpdk_lib_init (dm); if (error) clib_error_report (error); if (dpdk_cryptodev_init) { error = dpdk_cryptodev_init (vm); if (error) { vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error, error); clib_error_free (error); } } vlib_worker_thread_barrier_release (vm); tm->worker_thread_release = 1; f64 now = vlib_time_now (vm); vec_foreach (xd, dm->devices) { dpdk_update_link_state (xd, now); } f64 timeout = clib_min (dm->link_state_poll_interval, dm->stat_poll_interval); while (1) { f64 min_wait = clib_max (timeout, DPDK_MIN_POLL_INTERVAL); vlib_process_wait_for_event_or_clock (vm, min_wait); timeout = clib_min (dm->link_state_poll_interval, dm->stat_poll_interval); 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); } now = vlib_time_now (vm); vec_foreach (xd, dm->devices) { timeout = clib_min (timeout, xd->time_last_stats_update + dm->stat_poll_interval - now); timeout = clib_min (timeout, xd->time_last_link_update + dm->link_state_poll_interval - now); } } 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, }; static clib_error_t * dpdk_init (vlib_main_t * vm) { dpdk_main_t *dm = &dpdk_main; clib_error_t *error = 0; /* 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"); dpdk_cli_reference (); dm->conf = &dpdk_config_main; vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet"); dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL; dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL; dm->log_default = vlib_log_register_class ("dpdk", 0); dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev"); return error; } VLIB_INIT_FUNCTION (dpdk_init); static clib_error_t * dpdk_worker_thread_init (vlib_main_t *vm) { if (rte_thread_register () < 0) clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index, rte_strerror (rte_errno)); return 0; } VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);