2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #include <vnet/vnet.h>
16 #include <vppinfra/vec.h>
17 #include <vppinfra/error.h>
18 #include <vppinfra/format.h>
19 #include <vppinfra/bitmap.h>
20 #include <vppinfra/linux/sysfs.h>
21 #include <vlib/unix/unix.h>
24 #include <vnet/vnet.h>
25 #include <vnet/ethernet/ethernet.h>
26 #include <vnet/interface/rx_queue_funcs.h>
27 #include <vnet/interface/tx_queue_funcs.h>
28 #include <dpdk/buffer.h>
29 #include <dpdk/device/dpdk.h>
30 #include <dpdk/cryptodev/cryptodev.h>
31 #include <vlib/pci/pci.h>
32 #include <vlib/vmbus/vmbus.h>
41 #include <sys/mount.h>
46 #include <dpdk/device/dpdk_priv.h>
48 dpdk_main_t dpdk_main;
49 dpdk_config_main_t dpdk_config_main;
51 #define LINK_STATE_ELOGS 0
53 /* dev_info.speed_capa -> interface name mapppings */
58 } if_name_prefixes[] = {
59 /* sorted, higher speed first */
60 { RTE_ETH_LINK_SPEED_200G, "TwoHundredGigabitEthernet" },
61 { RTE_ETH_LINK_SPEED_100G, "HundredGigabitEthernet" },
62 { RTE_ETH_LINK_SPEED_56G, "FiftySixGigabitEthernet" },
63 { RTE_ETH_LINK_SPEED_50G, "FiftyGigabitEthernet" },
64 { RTE_ETH_LINK_SPEED_40G, "FortyGigabitEthernet" },
65 { RTE_ETH_LINK_SPEED_25G, "TwentyFiveGigabitEthernet" },
66 { RTE_ETH_LINK_SPEED_20G, "TwentyGigabitEthernet" },
67 { RTE_ETH_LINK_SPEED_10G, "TenGigabitEthernet" },
68 { RTE_ETH_LINK_SPEED_5G, "FiveGigabitEthernet" },
69 { RTE_ETH_LINK_SPEED_2_5G, "TwoDotFiveGigabitEthernet" },
70 { RTE_ETH_LINK_SPEED_1G, "GigabitEthernet" },
74 dpdk_set_max_frame_size (vnet_main_t *vnm, vnet_hw_interface_t *hi,
77 dpdk_main_t *dm = &dpdk_main;
78 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
82 mtu = frame_size - xd->driver_frame_overhead;
84 rv = rte_eth_dev_set_mtu (xd->port_id, mtu);
88 dpdk_log_err ("[%u] rte_eth_dev_set_mtu failed (mtu %u, rv %d)",
89 xd->port_id, mtu, rv);
93 return vnet_error (VNET_ERR_UNSUPPORTED,
94 "dpdk driver doesn't support MTU change");
96 return vnet_error (VNET_ERR_BUSY, "port is running");
98 return vnet_error (VNET_ERR_INVALID_VALUE, "invalid MTU");
100 return vnet_error (VNET_ERR_BUG,
101 "unexpected return value %d returned from "
102 "rte_eth_dev_set_mtu(...)",
107 dpdk_log_debug ("[%u] max_frame_size set to %u by setting MTU to %u",
108 xd->port_id, frame_size, mtu);
114 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
116 dpdk_main_t *dm = &dpdk_main;
117 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
118 u32 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
122 case ETHERNET_INTERFACE_FLAG_DEFAULT_L3:
123 /* set to L3/non-promisc mode */
124 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_PROMISC, 0);
126 case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
127 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_PROMISC, 1);
133 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
135 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
136 rte_eth_promiscuous_enable (xd->port_id);
138 rte_eth_promiscuous_disable (xd->port_id);
144 /* The function check_l3cache helps check if Level 3 cache exists or not on current CPUs
145 return value 1: exist.
146 return value 0: not exist.
154 const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache";
155 DIR *dir_cache = opendir (sys_cache_dir);
157 if (dir_cache == NULL)
160 while ((dp = readdir (dir_cache)) != NULL)
162 if (dp->d_type == DT_DIR)
165 int level_cache = -1;
167 p = format (p, "%s/%s/%s%c", sys_cache_dir, dp->d_name, "level", 0);
168 if ((err = clib_sysfs_read ((char *) p, "%d", &level_cache)))
169 clib_error_free (err);
171 if (level_cache == 3)
173 closedir (dir_cache);
179 if (dir_cache != NULL)
180 closedir (dir_cache);
185 static dpdk_device_config_t *
186 dpdk_find_startup_config (struct rte_eth_dev_info *di)
188 dpdk_main_t *dm = &dpdk_main;
189 struct rte_pci_device *pci_dev;
190 struct rte_vmbus_device *vmbus_dev;
191 vlib_pci_addr_t pci_addr;
192 vlib_vmbus_addr_t vmbus_addr;
195 if ((pci_dev = dpdk_get_pci_device (di)))
197 pci_addr.domain = pci_dev->addr.domain;
198 pci_addr.bus = pci_dev->addr.bus;
199 pci_addr.slot = pci_dev->addr.devid;
200 pci_addr.function = pci_dev->addr.function;
202 hash_get (dm->conf->device_config_index_by_pci_addr, pci_addr.as_u32);
205 if ((vmbus_dev = dpdk_get_vmbus_device (di)))
207 unformat_input_t input_vmbus;
208 unformat_init_string (&input_vmbus, di->device->name,
209 strlen (di->device->name));
210 if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr, &vmbus_addr))
211 p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
213 unformat_free (&input_vmbus);
217 return pool_elt_at_index (dm->conf->dev_confs, p[0]);
218 return &dm->conf->default_devconf;
221 static clib_error_t *
222 dpdk_lib_init (dpdk_main_t * dm)
224 vnet_main_t *vnm = vnet_get_main ();
226 vlib_thread_main_t *tm = vlib_get_thread_main ();
227 vnet_device_main_t *vdm = &vnet_device_main;
228 vnet_sw_interface_t *sw;
229 vnet_hw_interface_t *hi;
233 /* vlib_buffer_t template */
234 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
235 CLIB_CACHE_LINE_BYTES);
236 for (int i = 0; i < tm->n_vlib_mains; i++)
238 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
239 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
240 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
244 dm->conf->interface_name_format_decimal ? "%d/%d/%d" : "%x/%x/%x";
246 /* device config defaults */
247 dm->default_port_conf.n_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
248 dm->default_port_conf.n_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
249 dm->default_port_conf.n_rx_queues = 1;
250 dm->default_port_conf.n_tx_queues = tm->n_vlib_mains;
251 dm->default_port_conf.rss_hf =
252 RTE_ETH_RSS_IP | RTE_ETH_RSS_UDP | RTE_ETH_RSS_TCP;
253 dm->default_port_conf.max_lro_pkt_size = DPDK_MAX_LRO_SIZE_DEFAULT;
255 if ((clib_mem_get_default_hugepage_size () == 2 << 20) &&
256 check_l3cache () == 0)
257 dm->default_port_conf.n_rx_desc = dm->default_port_conf.n_tx_desc = 512;
259 RTE_ETH_FOREACH_DEV (port_id)
263 struct rte_eth_dev_info di;
264 dpdk_device_config_t *devconf = 0;
265 vnet_eth_interface_registration_t eir = {};
268 if (!rte_eth_dev_is_valid_port (port_id))
271 if ((rv = rte_eth_dev_info_get (port_id, &di)) != 0)
273 dpdk_log_warn ("[%u] failed to get device info. skipping device.",
280 dpdk_log_warn ("[%u] missing device info. Skipping '%s' device",
281 port_id, di.driver_name);
285 devconf = dpdk_find_startup_config (&di);
287 /* If device is blacklisted, we should skip it */
288 if (devconf->is_blacklisted)
290 dpdk_log_notice ("[%d] Device %s blacklisted. Skipping...", port_id,
295 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
296 xd->port_id = port_id;
297 xd->device_index = xd - dm->devices;
298 xd->per_interface_next_index = ~0;
300 clib_memcpy (&xd->conf, &dm->default_port_conf,
301 sizeof (dpdk_port_conf_t));
303 /* find driver datea for this PMD */
304 if ((dr = dpdk_driver_find (di.driver_name, &xd->if_desc)))
307 xd->supported_flow_actions = dr->supported_flow_actions;
308 xd->conf.disable_rss = dr->mq_mode_none;
309 xd->conf.disable_rx_scatter = dr->disable_rx_scatter;
310 xd->conf.enable_rxq_int = dr->enable_rxq_int;
311 if (dr->use_intel_phdr_cksum)
312 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM, 1);
313 if (dr->int_unmaskable)
314 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INT_UNMASKABLE, 1);
317 dpdk_log_warn ("[%u] unknown driver '%s'", port_id, di.driver_name);
321 xd->name = devconf->name;
325 struct rte_pci_device *pci_dev;
326 if (dr && dr->interface_name_prefix)
328 /* prefix override by driver */
329 xd->name = format (xd->name, "%s", dr->interface_name_prefix);
333 /* interface name prefix from speed_capa */
334 u64 mask = ~((if_name_prefixes[0].link_speed << 1) - 1);
336 if (di.speed_capa & mask)
337 dpdk_log_warn ("[%u] unknown speed capability 0x%x reported",
338 xd->port_id, di.speed_capa & mask);
340 for (int i = 0; i < ARRAY_LEN (if_name_prefixes); i++)
341 if (if_name_prefixes[i].link_speed & di.speed_capa)
344 format (xd->name, "%s", if_name_prefixes[i].pfx);
348 xd->name = format (xd->name, "Ethernet");
351 if (dr && dr->interface_number_from_port_id)
352 xd->name = format (xd->name, "%u", port_id);
353 else if ((pci_dev = dpdk_get_pci_device (&di)))
354 xd->name = format (xd->name, if_num_fmt, pci_dev->addr.bus,
355 pci_dev->addr.devid, pci_dev->addr.function);
357 xd->name = format (xd->name, "%u", port_id);
360 /* Handle representor devices that share the same PCI ID */
361 if ((di.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) &&
362 (di.switch_info.port_id != (uint16_t) -1))
363 xd->name = format (xd->name, "/%d", di.switch_info.port_id);
365 /* number of RX and TX queues */
366 if (devconf->num_tx_queues > 0)
368 if (di.max_tx_queues < devconf->num_tx_queues)
369 dpdk_log_warn ("[%u] Configured number of TX queues (%u) is "
370 "bigger than maximum supported (%u)",
371 port_id, devconf->num_tx_queues, di.max_tx_queues);
372 xd->conf.n_tx_queues = devconf->num_tx_queues;
375 xd->conf.n_tx_queues = clib_min (di.max_tx_queues, xd->conf.n_tx_queues);
377 if (devconf->num_rx_queues > 1 &&
378 di.max_rx_queues >= devconf->num_rx_queues)
380 xd->conf.n_rx_queues = devconf->num_rx_queues;
383 u64 unsupported_bits;
384 xd->conf.rss_hf = devconf->rss_fn;
385 unsupported_bits = xd->conf.rss_hf;
386 unsupported_bits &= ~di.flow_type_rss_offloads;
387 if (unsupported_bits)
388 dpdk_log_warn ("Unsupported RSS hash functions: %U",
389 format_dpdk_rss_hf_name, unsupported_bits);
391 xd->conf.rss_hf &= di.flow_type_rss_offloads;
392 dpdk_log_debug ("[%u] rss_hf: %U", port_id, format_dpdk_rss_hf_name,
396 #ifndef RTE_VLAN_HLEN
397 #define RTE_VLAN_HLEN 4
399 xd->driver_frame_overhead =
400 RTE_ETHER_HDR_LEN + 2 * RTE_VLAN_HLEN + RTE_ETHER_CRC_LEN;
401 #if RTE_VERSION >= RTE_VERSION_NUM(21, 11, 0, 0)
402 q = di.max_rx_pktlen - di.max_mtu;
404 /* attempt to protect from bogus value provided by pmd */
405 if (q < (2 * xd->driver_frame_overhead) && q > 0 &&
406 di.max_mtu != UINT16_MAX)
407 xd->driver_frame_overhead = q;
408 dpdk_log_debug ("[%u] min_mtu: %u, max_mtu: %u, min_rx_bufsize: %u, "
409 "max_rx_pktlen: %u, max_lro_pkt_size: %u",
410 xd->port_id, di.min_mtu, di.max_mtu, di.min_rx_bufsize,
411 di.max_rx_pktlen, di.max_lro_pkt_size);
413 dpdk_log_debug ("[%u] driver frame overhead is %u", port_id,
414 xd->driver_frame_overhead);
416 /* number of RX and TX tescriptors */
417 if (devconf->num_rx_desc)
418 xd->conf.n_rx_desc = devconf->num_rx_desc;
419 else if (dr && dr->n_rx_desc)
420 xd->conf.n_rx_desc = dr->n_rx_desc;
422 if (devconf->num_tx_desc)
423 xd->conf.n_tx_desc = devconf->num_tx_desc;
424 else if (dr && dr->n_tx_desc)
425 xd->conf.n_tx_desc = dr->n_tx_desc;
428 "[%u] n_rx_queues: %u n_tx_queues: %u n_rx_desc: %u n_tx_desc: %u",
429 port_id, xd->conf.n_rx_queues, xd->conf.n_tx_queues,
430 xd->conf.n_rx_desc, xd->conf.n_tx_desc);
432 vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
433 CLIB_CACHE_LINE_BYTES);
434 vec_validate_aligned (xd->tx_queues, xd->conf.n_tx_queues - 1,
435 CLIB_CACHE_LINE_BYTES);
437 rte_eth_macaddr_get (port_id, (void *) addr);
439 /* create interface */
440 eir.dev_class_index = dpdk_device_class.index;
441 eir.dev_instance = xd->device_index;
443 eir.cb.flag_change = dpdk_flag_change;
444 eir.cb.set_max_frame_size = dpdk_set_max_frame_size;
445 xd->hw_if_index = vnet_eth_register_interface (vnm, &eir);
446 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
447 hi->numa_node = xd->cpu_socket = (i8) rte_eth_dev_socket_id (port_id);
448 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
449 xd->sw_if_index = sw->sw_if_index;
450 dpdk_log_debug ("[%u] interface %s created", port_id, hi->name);
452 ethernet_set_flags (vnm, xd->hw_if_index,
453 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
455 /* assign worker threads */
456 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
457 if (devconf->workers)
461 clib_bitmap_foreach (j, devconf->workers)
463 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
464 rxq->queue_index = vnet_hw_if_register_rx_queue (
465 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
469 for (q = 0; q < xd->conf.n_rx_queues; q++)
471 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
472 rxq->queue_index = vnet_hw_if_register_rx_queue (
473 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
476 for (q = 0; q < xd->conf.n_tx_queues; q++)
478 dpdk_tx_queue_t *txq = vec_elt_at_index (xd->tx_queues, q);
480 vnet_hw_if_register_tx_queue (vnm, xd->hw_if_index, q);
483 for (q = 0; q < tm->n_vlib_mains; q++)
485 u32 qi = xd->tx_queues[q % xd->conf.n_tx_queues].queue_index;
486 vnet_hw_if_tx_queue_assign_thread (vnm, qi, q);
489 if (devconf->tso == DPDK_DEVICE_TSO_ON)
491 /*tcp_udp checksum must be enabled*/
492 if (xd->conf.enable_tcp_udp_checksum == 0)
493 dpdk_log_warn ("[%u] TCP/UDP checksum offload must be enabled",
495 else if ((di.tx_offload_capa & RTE_ETH_TX_OFFLOAD_TCP_TSO) == 0)
496 dpdk_log_warn ("[%u] TSO not supported by device", xd->port_id);
498 xd->conf.enable_tso = 1;
501 if (devconf->max_lro_pkt_size)
502 xd->conf.max_lro_pkt_size = devconf->max_lro_pkt_size;
504 dpdk_device_setup (xd);
506 /* rss queues should be configured after dpdk_device_setup() */
507 if (devconf->rss_queues)
509 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
510 devconf->rss_queues))
511 dpdk_log_warn ("[%u] Failed to set rss queues", port_id);
514 if (vec_len (xd->errors))
515 dpdk_log_err ("[%u] setup failed Errors:\n %U", port_id,
516 format_dpdk_device_errors, xd);
519 for (int i = 0; i < vec_len (dm->devices); i++)
520 vnet_hw_if_update_runtime_data (vnm, dm->devices[i].hw_if_index);
526 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
528 vlib_main_t *vm = vlib_get_main ();
531 int num_whitelisted = vec_len (conf->dev_confs);
532 vlib_pci_device_info_t *d = 0;
533 vlib_pci_addr_t *addr = 0, *addrs;
536 addrs = vlib_pci_get_all_dev_addrs ();
538 vec_foreach (addr, addrs)
540 dpdk_device_config_t * devconf = 0;
541 vec_reset_length (pci_addr);
542 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
545 vlib_pci_free_device_info (d);
548 d = vlib_pci_get_device_info (vm, addr, &error);
551 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
552 clib_error_free (error);
556 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
561 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
569 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
572 /* Enforce Device blacklist by vendor and device */
573 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
576 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
577 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
578 if (d->vendor_id == vendor && d->device_id == device)
581 * Expected case: device isn't whitelisted,
586 /* Device is blacklisted */
587 pool_get (conf->dev_confs, devconf);
588 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
589 devconf - conf->dev_confs);
590 devconf->pci_addr.as_u32 = addr->as_u32;
591 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
592 devconf->is_blacklisted = 1;
595 else /* explicitly whitelisted, ignore the device blacklist */
601 if (d->vendor_id == 0x1af4 &&
602 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
603 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
606 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
609 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
610 * the default is to put it in the blacklist.
614 pool_get (conf->dev_confs, devconf);
615 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
616 devconf - conf->dev_confs);
617 devconf->pci_addr.as_u32 = addr->as_u32;
618 devconf->is_blacklisted = 1;
621 /* all Intel network devices */
622 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
624 /* all Intel QAT devices VFs */
625 else if (d->vendor_id == 0x8086 &&
626 d->device_class == PCI_CLASS_PROCESSOR_CO &&
627 (d->device_id == 0x0443 || d->device_id == 0x18a1 ||
628 d->device_id == 0x19e3 || d->device_id == 0x37c9 ||
629 d->device_id == 0x6f55 || d->device_id == 0x18ef ||
630 d->device_id == 0x4941))
633 else if (d->vendor_id == 0x1137 &&
634 (d->device_id == 0x0043 || d->device_id == 0x0071))
637 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
639 /* Amazon Elastic Network Adapter */
640 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
642 /* Cavium Network Adapter */
643 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
645 /* Cavium FastlinQ QL41000 Series */
646 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
648 /* Mellanox CX3, CX3VF */
649 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
653 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
654 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
658 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
659 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
663 /* Broadcom NetXtreme S, and E series only */
664 else if (d->vendor_id == 0x14e4 &&
665 ((d->device_id >= 0x16c0 &&
666 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
667 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
668 d->device_id != 0x16fd && d->device_id != 0x16fe &&
669 d->device_id != 0x170d && d->device_id != 0x170c &&
670 d->device_id != 0x170e && d->device_id != 0x1712 &&
671 d->device_id != 0x1713) ||
672 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
673 d->device_id == 0x1614 || d->device_id == 0x1606 ||
674 d->device_id == 0x1609 || d->device_id == 0x1614)))
678 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
679 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
684 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name,
685 conf->uio_bind_force);
691 pool_get (conf->dev_confs, devconf);
692 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
693 devconf - conf->dev_confs);
694 devconf->pci_addr.as_u32 = addr->as_u32;
696 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
697 devconf->is_blacklisted = 1;
698 clib_error_report (error);
703 vlib_pci_free_device_info (d);
707 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
710 vlib_vmbus_addr_t *addrs, *addr = 0;
711 int num_whitelisted = vec_len (conf->dev_confs);
714 addrs = vlib_vmbus_get_all_dev_addrs ();
717 vec_foreach (addr, addrs)
719 dpdk_device_config_t *devconf = 0;
723 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
726 /* No devices blacklisted, but have whitelisted. blacklist all
728 pool_get (conf->dev_confs, devconf);
729 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
730 devconf - conf->dev_confs, 0);
731 devconf->vmbus_addr = *addr;
732 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
733 devconf->is_blacklisted = 1;
738 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
741 /* Enforce Device blacklist by vmbus_addr */
742 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
744 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
745 vlib_vmbus_addr_t *a2 = addr;
746 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
750 /* Device not whitelisted */
751 pool_get (conf->dev_confs, devconf);
752 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
753 devconf - conf->dev_confs, 0);
754 devconf->vmbus_addr = *addr;
755 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
756 devconf->is_blacklisted = 1;
766 error = vlib_vmbus_bind_to_uio (addr);
771 pool_get (conf->dev_confs, devconf);
772 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
773 devconf - conf->dev_confs, 0);
774 devconf->vmbus_addr = *addr;
776 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
777 devconf->is_blacklisted = 1;
778 clib_error_report (error);
785 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
787 uword *max_simd_bitwidth = va_arg (*va, uword *);
789 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
791 if (!unformat (input, "%u", max_simd_bitwidth))
794 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
795 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
803 static clib_error_t *
804 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
805 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
808 clib_error_t *error = 0;
810 dpdk_device_config_t *devconf = 0;
811 unformat_input_t sub_input;
815 devconf = &conf->default_devconf;
817 else if (addr_type == VNET_DEV_ADDR_PCI)
819 p = hash_get (conf->device_config_index_by_pci_addr,
820 ((vlib_pci_addr_t *) (addr))->as_u32);
824 pool_get (conf->dev_confs, devconf);
825 hash_set (conf->device_config_index_by_pci_addr,
826 ((vlib_pci_addr_t *) (addr))->as_u32,
827 devconf - conf->dev_confs);
830 return clib_error_return (0,
831 "duplicate configuration for PCI address %U",
832 format_vlib_pci_addr, addr);
834 else if (addr_type == VNET_DEV_ADDR_VMBUS)
836 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
837 (vlib_vmbus_addr_t *) (addr));
841 pool_get (conf->dev_confs, devconf);
842 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
843 devconf - conf->dev_confs, 0);
846 return clib_error_return (
847 0, "duplicate configuration for VMBUS address %U",
848 format_vlib_vmbus_addr, addr);
851 if (addr_type == VNET_DEV_ADDR_PCI)
853 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
854 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
855 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
857 else if (addr_type == VNET_DEV_ADDR_VMBUS)
859 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
860 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
861 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
867 unformat_skip_white_space (input);
868 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
870 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
872 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
874 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
876 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
878 else if (unformat (input, "name %v", &devconf->name))
880 else if (unformat (input, "workers %U", unformat_bitmap_list,
885 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
887 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
891 else if (unformat (input, "tso on"))
893 devconf->tso = DPDK_DEVICE_TSO_ON;
895 else if (unformat (input, "tso off"))
897 devconf->tso = DPDK_DEVICE_TSO_OFF;
899 else if (unformat (input, "devargs %s", &devconf->devargs))
901 else if (unformat (input, "rss-queues %U",
902 unformat_bitmap_list, &devconf->rss_queues))
904 else if (unformat (input, "max-lro-pkt-size %u",
905 &devconf->max_lro_pkt_size))
909 error = clib_error_return (0, "unknown input `%U'",
910 format_unformat_error, input);
918 if (devconf->workers && devconf->num_rx_queues == 0)
919 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
920 else if (devconf->workers &&
921 clib_bitmap_count_set_bits (devconf->workers) !=
922 devconf->num_rx_queues)
923 error = clib_error_return (0,
924 "%U: number of worker threads must be "
925 "equal to number of rx queues",
926 format_vlib_pci_addr, addr);
931 static clib_error_t *
932 dpdk_log_read_ready (clib_file_t * uf)
934 unformat_input_t input;
941 uword len = vec_len (s);
942 vec_resize (s, len + n_try);
944 n = read (uf->file_descriptor, s + len, n_try);
945 if (n < 0 && errno != EAGAIN)
946 return clib_error_return_unix (0, "read");
947 vec_set_len (s, len + (n < 0 ? 0 : n));
950 unformat_init_vector (&input, s);
952 while (unformat_user (&input, unformat_line, &line))
957 /* unfortunatelly DPDK polutes log with this error messages
958 * even when we pass --in-memory which means no secondary process */
959 if (strstr ((char *) line, "WARNING! Base virtual address hint"))
961 else if (strstr ((char *) line, "This may cause issues with mapping "
962 "memory into secondary processes"))
966 dpdk_log_notice ("%v", line);
970 unformat_free (&input);
974 static clib_error_t *
975 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
977 dpdk_main_t *dm = &dpdk_main;
978 clib_error_t *error = 0;
979 dpdk_config_main_t *conf = &dpdk_config_main;
980 vlib_thread_main_t *tm = vlib_get_thread_main ();
981 dpdk_device_config_t *devconf;
982 vlib_pci_addr_t pci_addr = { 0 };
983 vlib_vmbus_addr_t vmbus_addr = { 0 };
984 unformat_input_t sub_input;
985 uword default_hugepage_sz, x;
988 int num_whitelisted = 0;
989 int eal_no_hugetlb = 0;
995 u8 *huge_dir_path = 0;
996 u32 vendor, device, domain, bus, func;
1001 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1003 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1004 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1005 sizeof (vlib_vmbus_addr_t));
1007 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1009 /* Prime the pump */
1010 if (unformat (input, "no-hugetlb"))
1012 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1015 else if (unformat (input, "telemetry"))
1016 conf->enable_telemetry = 1;
1018 else if (unformat (input, "enable-tcp-udp-checksum"))
1020 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1021 if (unformat (input, "enable-outer-checksum-offload"))
1022 dm->default_port_conf.enable_outer_checksum_offload = 1;
1024 else if (unformat (input, "no-tx-checksum-offload"))
1025 dm->default_port_conf.disable_tx_checksum_offload = 1;
1027 else if (unformat (input, "decimal-interface-names"))
1028 conf->interface_name_format_decimal = 1;
1030 else if (unformat (input, "no-multi-seg"))
1031 dm->default_port_conf.disable_multi_seg = 1;
1032 else if (unformat (input, "enable-lro"))
1033 dm->default_port_conf.enable_lro = 1;
1034 else if (unformat (input, "max-simd-bitwidth %U",
1035 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1037 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1041 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1048 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1049 unformat_vlib_cli_sub_input, &sub_input))
1051 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1059 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1062 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1069 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1070 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1072 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1080 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1084 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1091 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1093 else if (unformat (input, "uio-bind-force"))
1094 conf->uio_bind_force = 1;
1095 else if (unformat (input, "socket-mem %s", &socket_mem))
1097 else if (unformat (input, "no-pci"))
1100 tmp = format (0, "--no-pci%c", 0);
1101 vec_add1 (conf->eal_init_args, tmp);
1103 else if (unformat (input, "no-dsa"))
1105 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1108 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1112 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1114 tmp = format (0, "-b%c", 0);
1115 vec_add1 (conf->eal_init_args, tmp);
1117 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1118 vec_add1 (conf->eal_init_args, tmp);
1120 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1122 u32 blacklist_entry;
1123 if (vendor > 0xFFFF)
1124 return clib_error_return (0, "blacklist PCI vendor out of range");
1125 if (device > 0xFFFF)
1126 return clib_error_return (0, "blacklist PCI device out of range");
1127 blacklist_entry = (vendor << 16) | (device & 0xffff);
1128 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1131 else if (unformat (input, "no-vmbus"))
1134 tmp = format (0, "--no-vmbus%c", 0);
1135 vec_add1 (conf->eal_init_args, tmp);
1139 else if (unformat(input, #a)) \
1141 tmp = format (0, "--%s%c", #a, 0); \
1142 vec_add1 (conf->eal_init_args, tmp); \
1144 foreach_eal_double_hyphen_predicate_arg
1147 else if (unformat(input, #a " %s", &s)) \
1149 if (!strncmp(#a, "file-prefix", 11)) \
1151 tmp = format (0, "--%s%c", #a, 0); \
1152 vec_add1 (conf->eal_init_args, tmp); \
1154 if (!strncmp(#a, "vdev", 4)) \
1155 if (strstr((char*)s, "af_packet")) \
1156 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1157 vec_add1 (conf->eal_init_args, s); \
1159 foreach_eal_double_hyphen_arg
1162 else if (unformat(input, #a " %s", &s)) \
1164 tmp = format (0, "-%s%c", #b, 0); \
1165 vec_add1 (conf->eal_init_args, tmp); \
1167 vec_add1 (conf->eal_init_args, s); \
1169 foreach_eal_single_hyphen_arg
1171 else if (unformat (input, "default"))
1174 else if (unformat_skip_white_space (input))
1176 else return clib_error_return (0, "unknown input `%U'",
1177 format_unformat_error, input);
1180 if (!conf->uio_driver_name)
1181 conf->uio_driver_name = format (0, "auto%c", 0);
1183 if (eal_no_hugetlb == 0)
1185 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1187 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1190 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1194 /* preallocate at least 16MB of hugepages per socket,
1195 if more is needed it is up to consumer to preallocate more */
1196 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1197 n_pages /= default_hugepage_sz;
1199 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1200 clib_error_report (e);
1205 /* on/off dpdk's telemetry thread */
1206 if (conf->enable_telemetry == 0)
1208 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1213 tmp = format (0, "--file-prefix%c", 0);
1214 vec_add1 (conf->eal_init_args, tmp);
1215 tmp = format (0, "vpp%c", 0);
1216 vec_add1 (conf->eal_init_args, tmp);
1219 if (no_pci == 0 && geteuid () == 0)
1220 dpdk_bind_devices_to_uio (conf);
1222 if (no_vmbus == 0 && geteuid () == 0)
1223 dpdk_bind_vmbus_devices_to_uio (conf);
1226 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1227 devconf->x = conf->default_devconf.x ;
1229 pool_foreach (devconf, conf->dev_confs) {
1231 /* default per-device config items */
1232 foreach_dpdk_device_config_item
1234 /* copy tso config from default device */
1237 /* copy tso config from default device */
1240 /* copy rss_queues config from default device */
1243 /* assume that default is PCI */
1244 fmt_func = format_vlib_pci_addr;
1245 fmt_addr = &devconf->pci_addr;
1247 if (devconf->dev_addr_type == VNET_DEV_ADDR_VMBUS)
1249 fmt_func = format_vlib_vmbus_addr;
1250 fmt_addr = &devconf->vmbus_addr;
1253 /* add DPDK EAL whitelist/blacklist entry */
1254 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1256 tmp = format (0, "-a%c", 0);
1257 vec_add1 (conf->eal_init_args, tmp);
1258 if (devconf->devargs)
1261 format (0, "%U,%s%c", fmt_func, fmt_addr, devconf->devargs, 0);
1265 tmp = format (0, "%U%c", fmt_func, fmt_addr, 0);
1267 vec_add1 (conf->eal_init_args, tmp);
1269 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1271 tmp = format (0, "-b%c", 0);
1272 vec_add1 (conf->eal_init_args, tmp);
1273 tmp = format (0, "%U%c", fmt_func, fmt_addr, 0);
1274 vec_add1 (conf->eal_init_args, tmp);
1281 clib_warning ("socket-mem argument is deprecated");
1283 /* NULL terminate the "argv" vector, in case of stupidity */
1284 vec_add1 (conf->eal_init_args, 0);
1285 vec_dec_len (conf->eal_init_args, 1);
1287 /* Set up DPDK eal and packet mbuf pool early. */
1289 int log_fds[2] = { 0 };
1290 if (pipe (log_fds) == 0)
1292 if (fcntl (log_fds[0], F_SETFL, O_NONBLOCK) == 0 &&
1293 fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1295 FILE *f = fdopen (log_fds[1], "a");
1296 if (f && rte_openlog_stream (f) == 0)
1298 clib_file_t t = { 0 };
1299 t.read_function = dpdk_log_read_ready;
1300 t.file_descriptor = log_fds[0];
1301 t.description = format (0, "DPDK logging pipe");
1302 clib_file_add (&file_main, &t);
1312 vm = vlib_get_main ();
1316 struct rte_bus *bus;
1317 bus = rte_bus_find_by_name ("dsa");
1319 rte_bus_unregister (bus);
1321 /* make copy of args as rte_eal_init tends to mess up with arg array */
1322 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1323 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1324 conf->eal_init_args[i]);
1326 vec_terminate_c_string (conf->eal_init_args_str);
1328 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1329 ret = rte_eal_init (vec_len (conf->eal_init_args),
1330 (char **) conf->eal_init_args);
1332 return clib_error_return (0, "rte_eal_init returned %d", ret);
1334 /* enable the AVX-512 vPMDs in DPDK */
1335 if (clib_cpu_supports_avx512_bitalg () &&
1336 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1337 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1338 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1339 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1340 DPDK_MAX_SIMD_BITWIDTH_256 ?
1344 /* lazy umount hugepages */
1345 umount2 ((char *) huge_dir_path, MNT_DETACH);
1346 rmdir ((char *) huge_dir_path);
1347 vec_free (huge_dir_path);
1349 /* main thread 1st */
1350 if ((error = dpdk_buffer_pools_create (vm)))
1356 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1359 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1361 vnet_main_t *vnm = vnet_get_main ();
1362 struct rte_eth_link prev_link = xd->link;
1364 u8 hw_flags_chg = 0;
1366 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1367 clib_memset (&xd->link, 0, sizeof (xd->link));
1368 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1370 if (LINK_STATE_ELOGS)
1372 ELOG_TYPE_DECLARE (e) =
1375 "update-link-state: sw_if_index %d, admin_up %d,"
1376 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1385 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1386 ed->sw_if_index = xd->sw_if_index;
1387 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1388 ed->old_link_state = (u8)
1389 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1390 ed->new_link_state = (u8) xd->link.link_status;
1393 hw_flags_chg = ((xd->link.link_duplex != prev_link.link_duplex) ||
1394 (xd->link.link_status != prev_link.link_status));
1396 if (xd->link.link_speed != prev_link.link_speed)
1397 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1398 (xd->link.link_speed == UINT32_MAX) ?
1400 xd->link.link_speed * 1000);
1404 if (xd->link.link_status)
1405 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1407 switch (xd->link.link_duplex)
1409 case RTE_ETH_LINK_HALF_DUPLEX:
1410 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1412 case RTE_ETH_LINK_FULL_DUPLEX:
1413 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1419 if (LINK_STATE_ELOGS)
1421 ELOG_TYPE_DECLARE (e) =
1424 "update-link-state: sw_if_index %d, new flags %d",.format_args
1432 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1433 ed->sw_if_index = xd->sw_if_index;
1434 ed->flags = hw_flags;
1436 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1441 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1443 clib_error_t *error;
1444 dpdk_main_t *dm = &dpdk_main;
1446 vlib_thread_main_t *tm = vlib_get_thread_main ();
1448 error = dpdk_lib_init (dm);
1451 clib_error_report (error);
1453 if (dpdk_cryptodev_init)
1455 error = dpdk_cryptodev_init (vm);
1458 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1460 clib_error_free (error);
1464 tm->worker_thread_release = 1;
1466 f64 now = vlib_time_now (vm);
1467 vec_foreach (xd, dm->devices)
1469 dpdk_update_link_state (xd, now);
1475 * check each time through the loop in case intervals are changed
1477 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1478 dm->link_state_poll_interval : dm->stat_poll_interval;
1480 vlib_process_wait_for_event_or_clock (vm, min_wait);
1482 if (dm->admin_up_down_in_progress)
1483 /* skip the poll if an admin up down is in progress (on any interface) */
1486 vec_foreach (xd, dm->devices)
1488 f64 now = vlib_time_now (vm);
1489 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1490 dpdk_update_counters (xd, now);
1491 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1492 dpdk_update_link_state (xd, now);
1501 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1502 .function = dpdk_process,
1503 .type = VLIB_NODE_TYPE_PROCESS,
1504 .name = "dpdk-process",
1505 .process_log2_n_stack_bytes = 17,
1509 static clib_error_t *
1510 dpdk_init (vlib_main_t * vm)
1512 dpdk_main_t *dm = &dpdk_main;
1513 clib_error_t *error = 0;
1515 /* verify that structs are cacheline aligned */
1516 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1517 "Cache line marker must be 1st element in dpdk_device_t");
1518 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1519 CLIB_CACHE_LINE_BYTES,
1520 "Data in cache line 0 is bigger than cache line size");
1521 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1522 "Cache line marker must be 1st element in frame_queue_trace_t");
1524 dpdk_cli_reference ();
1526 dm->conf = &dpdk_config_main;
1528 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1530 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1531 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1533 dm->log_default = vlib_log_register_class ("dpdk", 0);
1534 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1539 VLIB_INIT_FUNCTION (dpdk_init);
1541 static clib_error_t *
1542 dpdk_worker_thread_init (vlib_main_t *vm)
1544 if (rte_thread_register () < 0)
1545 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1546 rte_strerror (rte_errno));
1550 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);