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 #if RTE_VERSION >= RTE_VERSION_NUM(22, 11, 0, 0)
209 const char *dev_name = rte_dev_name (di->device);
211 const char *dev_name = di->device->name;
213 unformat_init_string (&input_vmbus, dev_name, strlen (dev_name));
214 if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr, &vmbus_addr))
215 p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
217 unformat_free (&input_vmbus);
221 return pool_elt_at_index (dm->conf->dev_confs, p[0]);
222 return &dm->conf->default_devconf;
225 static clib_error_t *
226 dpdk_lib_init (dpdk_main_t * dm)
228 vnet_main_t *vnm = vnet_get_main ();
230 vlib_thread_main_t *tm = vlib_get_thread_main ();
231 vnet_device_main_t *vdm = &vnet_device_main;
232 vnet_sw_interface_t *sw;
233 vnet_hw_interface_t *hi;
237 /* vlib_buffer_t template */
238 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
239 CLIB_CACHE_LINE_BYTES);
240 for (int i = 0; i < tm->n_vlib_mains; i++)
242 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
243 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
244 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
248 dm->conf->interface_name_format_decimal ? "%d/%d/%d" : "%x/%x/%x";
250 /* device config defaults */
251 dm->default_port_conf.n_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
252 dm->default_port_conf.n_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
253 dm->default_port_conf.n_rx_queues = 1;
254 dm->default_port_conf.n_tx_queues = tm->n_vlib_mains;
255 dm->default_port_conf.rss_hf =
256 RTE_ETH_RSS_IP | RTE_ETH_RSS_UDP | RTE_ETH_RSS_TCP;
257 dm->default_port_conf.max_lro_pkt_size = DPDK_MAX_LRO_SIZE_DEFAULT;
259 if ((clib_mem_get_default_hugepage_size () == 2 << 20) &&
260 check_l3cache () == 0)
261 dm->default_port_conf.n_rx_desc = dm->default_port_conf.n_tx_desc = 512;
263 RTE_ETH_FOREACH_DEV (port_id)
267 struct rte_eth_dev_info di;
268 dpdk_device_config_t *devconf = 0;
269 vnet_eth_interface_registration_t eir = {};
273 if (!rte_eth_dev_is_valid_port (port_id))
276 if ((rv = rte_eth_dev_info_get (port_id, &di)) != 0)
278 dpdk_log_warn ("[%u] failed to get device info. skipping device.",
285 dpdk_log_warn ("[%u] missing device info. Skipping '%s' device",
286 port_id, di.driver_name);
290 devconf = dpdk_find_startup_config (&di);
292 /* If device is blacklisted, we should skip it */
293 if (devconf->is_blacklisted)
295 dpdk_log_notice ("[%d] Device %s blacklisted. Skipping...", port_id,
300 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
301 xd->port_id = port_id;
302 xd->device_index = xd - dm->devices;
303 xd->per_interface_next_index = ~0;
305 clib_memcpy (&xd->conf, &dm->default_port_conf,
306 sizeof (dpdk_port_conf_t));
308 /* find driver datea for this PMD */
309 if ((dr = dpdk_driver_find (di.driver_name, &xd->if_desc)))
312 xd->supported_flow_actions = dr->supported_flow_actions;
313 xd->conf.disable_rss = dr->mq_mode_none;
314 xd->conf.disable_rx_scatter = dr->disable_rx_scatter;
315 xd->conf.enable_rxq_int = dr->enable_rxq_int;
316 if (dr->use_intel_phdr_cksum)
317 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM, 1);
318 if (dr->int_unmaskable)
319 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INT_UNMASKABLE, 1);
322 dpdk_log_warn ("[%u] unknown driver '%s'", port_id, di.driver_name);
326 xd->name = devconf->name;
330 struct rte_pci_device *pci_dev;
331 if (dr && dr->interface_name_prefix)
333 /* prefix override by driver */
334 xd->name = format (xd->name, "%s", dr->interface_name_prefix);
338 /* interface name prefix from speed_capa */
339 u64 mask = ~((if_name_prefixes[0].link_speed << 1) - 1);
341 if (di.speed_capa & mask)
342 dpdk_log_warn ("[%u] unknown speed capability 0x%x reported",
343 xd->port_id, di.speed_capa & mask);
345 for (int i = 0; i < ARRAY_LEN (if_name_prefixes); i++)
346 if (if_name_prefixes[i].link_speed & di.speed_capa)
349 format (xd->name, "%s", if_name_prefixes[i].pfx);
353 xd->name = format (xd->name, "Ethernet");
356 if (dr && dr->interface_number_from_port_id)
357 xd->name = format (xd->name, "%u", port_id);
358 else if ((pci_dev = dpdk_get_pci_device (&di)))
359 xd->name = format (xd->name, if_num_fmt, pci_dev->addr.bus,
360 pci_dev->addr.devid, pci_dev->addr.function);
362 xd->name = format (xd->name, "%u", port_id);
364 /* Handle representor devices that share the same PCI ID */
365 if ((di.switch_info.domain_id !=
366 RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) &&
367 (di.switch_info.port_id != (uint16_t) -1))
368 xd->name = format (xd->name, "/%d", di.switch_info.port_id);
371 /* number of RX and TX queues */
372 if (devconf->num_tx_queues > 0)
374 if (di.max_tx_queues < devconf->num_tx_queues)
375 dpdk_log_warn ("[%u] Configured number of TX queues (%u) is "
376 "bigger than maximum supported (%u)",
377 port_id, devconf->num_tx_queues, di.max_tx_queues);
378 xd->conf.n_tx_queues = devconf->num_tx_queues;
381 xd->conf.n_tx_queues = clib_min (di.max_tx_queues, xd->conf.n_tx_queues);
383 if (devconf->num_rx_queues > 1 &&
384 di.max_rx_queues >= devconf->num_rx_queues)
386 xd->conf.n_rx_queues = devconf->num_rx_queues;
389 u64 unsupported_bits;
390 xd->conf.rss_hf = devconf->rss_fn;
391 unsupported_bits = xd->conf.rss_hf;
392 unsupported_bits &= ~di.flow_type_rss_offloads;
393 if (unsupported_bits)
394 dpdk_log_warn ("Unsupported RSS hash functions: %U",
395 format_dpdk_rss_hf_name, unsupported_bits);
397 xd->conf.rss_hf &= di.flow_type_rss_offloads;
398 dpdk_log_debug ("[%u] rss_hf: %U", port_id, format_dpdk_rss_hf_name,
402 #ifndef RTE_VLAN_HLEN
403 #define RTE_VLAN_HLEN 4
405 xd->driver_frame_overhead =
406 RTE_ETHER_HDR_LEN + 2 * RTE_VLAN_HLEN + RTE_ETHER_CRC_LEN;
407 #if RTE_VERSION >= RTE_VERSION_NUM(21, 11, 0, 0)
408 q = di.max_rx_pktlen - di.max_mtu;
410 /* attempt to protect from bogus value provided by pmd */
411 if (q < (2 * xd->driver_frame_overhead) && q > 0 &&
412 di.max_mtu != UINT16_MAX)
413 xd->driver_frame_overhead = q;
414 dpdk_log_debug ("[%u] min_mtu: %u, max_mtu: %u, min_rx_bufsize: %u, "
415 "max_rx_pktlen: %u, max_lro_pkt_size: %u",
416 xd->port_id, di.min_mtu, di.max_mtu, di.min_rx_bufsize,
417 di.max_rx_pktlen, di.max_lro_pkt_size);
419 dpdk_log_debug ("[%u] driver frame overhead is %u", port_id,
420 xd->driver_frame_overhead);
422 /* number of RX and TX tescriptors */
423 if (devconf->num_rx_desc)
424 xd->conf.n_rx_desc = devconf->num_rx_desc;
425 else if (dr && dr->n_rx_desc)
426 xd->conf.n_rx_desc = dr->n_rx_desc;
428 if (devconf->num_tx_desc)
429 xd->conf.n_tx_desc = devconf->num_tx_desc;
430 else if (dr && dr->n_tx_desc)
431 xd->conf.n_tx_desc = dr->n_tx_desc;
434 "[%u] n_rx_queues: %u n_tx_queues: %u n_rx_desc: %u n_tx_desc: %u",
435 port_id, xd->conf.n_rx_queues, xd->conf.n_tx_queues,
436 xd->conf.n_rx_desc, xd->conf.n_tx_desc);
438 vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
439 CLIB_CACHE_LINE_BYTES);
440 vec_validate_aligned (xd->tx_queues, xd->conf.n_tx_queues - 1,
441 CLIB_CACHE_LINE_BYTES);
443 rte_eth_macaddr_get (port_id, (void *) addr);
445 /* create interface */
446 eir.dev_class_index = dpdk_device_class.index;
447 eir.dev_instance = xd->device_index;
449 eir.cb.flag_change = dpdk_flag_change;
450 eir.cb.set_max_frame_size = dpdk_set_max_frame_size;
451 xd->hw_if_index = vnet_eth_register_interface (vnm, &eir);
452 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
453 numa_node = (i8) rte_eth_dev_socket_id (port_id);
454 if (numa_node == SOCKET_ID_ANY)
455 /* numa_node is not set, default to 0 */
456 hi->numa_node = xd->cpu_socket = 0;
458 hi->numa_node = xd->cpu_socket = numa_node;
459 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
460 xd->sw_if_index = sw->sw_if_index;
461 dpdk_log_debug ("[%u] interface %s created", port_id, hi->name);
464 vnet_set_sw_interface_tag (vnm, devconf->tag, sw->sw_if_index);
466 ethernet_set_flags (vnm, xd->hw_if_index,
467 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
469 /* assign worker threads */
470 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
471 if (devconf->workers)
475 clib_bitmap_foreach (j, devconf->workers)
477 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
478 rxq->queue_index = vnet_hw_if_register_rx_queue (
479 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
483 for (q = 0; q < xd->conf.n_rx_queues; q++)
485 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
486 rxq->queue_index = vnet_hw_if_register_rx_queue (
487 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
490 for (q = 0; q < xd->conf.n_tx_queues; q++)
492 dpdk_tx_queue_t *txq = vec_elt_at_index (xd->tx_queues, q);
494 vnet_hw_if_register_tx_queue (vnm, xd->hw_if_index, q);
497 for (q = 0; q < tm->n_vlib_mains; q++)
499 u32 qi = xd->tx_queues[q % xd->conf.n_tx_queues].queue_index;
500 vnet_hw_if_tx_queue_assign_thread (vnm, qi, q);
503 if (devconf->tso == DPDK_DEVICE_TSO_ON)
505 /*tcp_udp checksum must be enabled*/
506 if (xd->conf.enable_tcp_udp_checksum == 0)
507 dpdk_log_warn ("[%u] TCP/UDP checksum offload must be enabled",
509 else if ((di.tx_offload_capa & RTE_ETH_TX_OFFLOAD_TCP_TSO) == 0)
510 dpdk_log_warn ("[%u] TSO not supported by device", xd->port_id);
512 xd->conf.enable_tso = 1;
515 if (devconf->max_lro_pkt_size)
516 xd->conf.max_lro_pkt_size = devconf->max_lro_pkt_size;
518 dpdk_device_setup (xd);
520 /* rss queues should be configured after dpdk_device_setup() */
521 if (devconf->rss_queues)
523 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
524 devconf->rss_queues))
525 dpdk_log_warn ("[%u] Failed to set rss queues", port_id);
528 if (vec_len (xd->errors))
529 dpdk_log_err ("[%u] setup failed Errors:\n %U", port_id,
530 format_dpdk_device_errors, xd);
533 for (int i = 0; i < vec_len (dm->devices); i++)
534 vnet_hw_if_update_runtime_data (vnm, dm->devices[i].hw_if_index);
540 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
542 vlib_main_t *vm = vlib_get_main ();
545 int num_whitelisted = vec_len (conf->dev_confs);
546 vlib_pci_device_info_t *d = 0;
547 vlib_pci_addr_t *addr = 0, *addrs;
550 addrs = vlib_pci_get_all_dev_addrs ();
552 vec_foreach (addr, addrs)
554 dpdk_device_config_t * devconf = 0;
555 vec_reset_length (pci_addr);
556 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
559 vlib_pci_free_device_info (d);
562 d = vlib_pci_get_device_info (vm, addr, &error);
565 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
566 clib_error_free (error);
570 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
575 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
583 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
586 /* Enforce Device blacklist by vendor and device */
587 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
590 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
591 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
592 if (d->vendor_id == vendor && d->device_id == device)
595 * Expected case: device isn't whitelisted,
600 /* Device is blacklisted */
601 pool_get (conf->dev_confs, devconf);
602 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
603 devconf - conf->dev_confs);
604 devconf->pci_addr.as_u32 = addr->as_u32;
605 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
606 devconf->is_blacklisted = 1;
609 else /* explicitly whitelisted, ignore the device blacklist */
615 if (d->vendor_id == 0x1af4 &&
616 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
617 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
620 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
623 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
624 * the default is to put it in the blacklist.
628 pool_get (conf->dev_confs, devconf);
629 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
630 devconf - conf->dev_confs);
631 devconf->pci_addr.as_u32 = addr->as_u32;
632 devconf->is_blacklisted = 1;
635 /* all Intel network devices */
636 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
638 /* all Intel QAT devices VFs */
639 else if (d->vendor_id == 0x8086 &&
640 d->device_class == PCI_CLASS_PROCESSOR_CO &&
641 (d->device_id == 0x0443 || d->device_id == 0x18a1 ||
642 d->device_id == 0x19e3 || d->device_id == 0x37c9 ||
643 d->device_id == 0x6f55 || d->device_id == 0x18ef ||
644 d->device_id == 0x4941))
647 else if (d->vendor_id == 0x1137 &&
648 (d->device_id == 0x0043 || d->device_id == 0x0071))
651 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
653 /* Amazon Elastic Network Adapter */
654 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
656 /* Cavium Network Adapter */
657 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
659 /* Cavium FastlinQ QL41000 Series */
660 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
662 /* Mellanox CX3, CX3VF */
663 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
667 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
668 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
672 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF, CX6LX */
673 else if (d->vendor_id == 0x15b3 &&
674 (d->device_id >= 0x101b && d->device_id <= 0x101f))
679 else if (d->vendor_id == 0x15b3 && d->device_id == 0x1021)
683 /* Mellanox BF, BFVF */
684 else if (d->vendor_id == 0x15b3 &&
685 (d->device_id >= 0xa2d2 && d->device_id <= 0Xa2d3))
689 /* Mellanox BF2, BF3 */
690 else if (d->vendor_id == 0x15b3 &&
691 (d->device_id == 0xa2d6 || d->device_id == 0xa2dc))
695 /* Broadcom NetXtreme S, and E series only */
696 else if (d->vendor_id == 0x14e4 &&
697 ((d->device_id >= 0x16c0 &&
698 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
699 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
700 d->device_id != 0x16fd && d->device_id != 0x16fe &&
701 d->device_id != 0x170d && d->device_id != 0x170c &&
702 d->device_id != 0x170e && d->device_id != 0x1712 &&
703 d->device_id != 0x1713) ||
704 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
705 d->device_id == 0x1614 || d->device_id == 0x1606 ||
706 d->device_id == 0x1609 || d->device_id == 0x1614)))
709 else if (d->vendor_id == 0x1ae0 && d->device_id == 0x0042)
713 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
714 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
719 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name,
720 conf->uio_bind_force);
726 pool_get (conf->dev_confs, devconf);
727 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
728 devconf - conf->dev_confs);
729 devconf->pci_addr.as_u32 = addr->as_u32;
731 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
732 devconf->is_blacklisted = 1;
733 clib_error_report (error);
738 vlib_pci_free_device_info (d);
742 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
745 vlib_vmbus_addr_t *addrs, *addr = 0;
746 int num_whitelisted = vec_len (conf->dev_confs);
749 addrs = vlib_vmbus_get_all_dev_addrs ();
752 vec_foreach (addr, addrs)
754 dpdk_device_config_t *devconf = 0;
758 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
761 /* No devices blacklisted, but have whitelisted. blacklist all
763 pool_get (conf->dev_confs, devconf);
764 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
765 devconf - conf->dev_confs, 0);
766 devconf->vmbus_addr = *addr;
767 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
768 devconf->is_blacklisted = 1;
773 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
776 /* Enforce Device blacklist by vmbus_addr */
777 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
779 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
780 vlib_vmbus_addr_t *a2 = addr;
781 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
785 /* Device not whitelisted */
786 pool_get (conf->dev_confs, devconf);
787 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
788 devconf - conf->dev_confs, 0);
789 devconf->vmbus_addr = *addr;
790 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
791 devconf->is_blacklisted = 1;
801 error = vlib_vmbus_bind_to_uio (addr);
806 pool_get (conf->dev_confs, devconf);
807 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
808 devconf - conf->dev_confs, 0);
809 devconf->vmbus_addr = *addr;
811 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
812 devconf->is_blacklisted = 1;
813 clib_error_report (error);
820 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
822 uword *max_simd_bitwidth = va_arg (*va, uword *);
824 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
826 if (!unformat (input, "%u", max_simd_bitwidth))
829 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
830 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
838 static clib_error_t *
839 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
840 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
843 clib_error_t *error = 0;
845 dpdk_device_config_t *devconf = 0;
846 unformat_input_t sub_input;
850 devconf = &conf->default_devconf;
852 else if (addr_type == VNET_DEV_ADDR_PCI)
854 p = hash_get (conf->device_config_index_by_pci_addr,
855 ((vlib_pci_addr_t *) (addr))->as_u32);
859 pool_get (conf->dev_confs, devconf);
860 hash_set (conf->device_config_index_by_pci_addr,
861 ((vlib_pci_addr_t *) (addr))->as_u32,
862 devconf - conf->dev_confs);
865 return clib_error_return (0,
866 "duplicate configuration for PCI address %U",
867 format_vlib_pci_addr, addr);
869 else if (addr_type == VNET_DEV_ADDR_VMBUS)
871 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
872 (vlib_vmbus_addr_t *) (addr));
876 pool_get (conf->dev_confs, devconf);
877 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
878 devconf - conf->dev_confs, 0);
881 return clib_error_return (
882 0, "duplicate configuration for VMBUS address %U",
883 format_vlib_vmbus_addr, addr);
886 if (addr_type == VNET_DEV_ADDR_PCI)
888 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
889 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
890 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
892 else if (addr_type == VNET_DEV_ADDR_VMBUS)
894 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
895 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
896 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
902 unformat_skip_white_space (input);
903 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
905 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
907 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
909 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
911 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
913 else if (unformat (input, "name %v", &devconf->name))
915 else if (unformat (input, "tag %s", &devconf->tag))
917 else if (unformat (input, "workers %U", unformat_bitmap_list,
922 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
924 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
928 else if (unformat (input, "tso on"))
930 devconf->tso = DPDK_DEVICE_TSO_ON;
932 else if (unformat (input, "tso off"))
934 devconf->tso = DPDK_DEVICE_TSO_OFF;
936 else if (unformat (input, "devargs %s", &devconf->devargs))
938 else if (unformat (input, "rss-queues %U",
939 unformat_bitmap_list, &devconf->rss_queues))
941 else if (unformat (input, "max-lro-pkt-size %u",
942 &devconf->max_lro_pkt_size))
946 error = clib_error_return (0, "unknown input `%U'",
947 format_unformat_error, input);
955 if (devconf->workers && devconf->num_rx_queues == 0)
956 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
957 else if (devconf->workers &&
958 clib_bitmap_count_set_bits (devconf->workers) !=
959 devconf->num_rx_queues)
960 error = clib_error_return (0,
961 "%U: number of worker threads must be "
962 "equal to number of rx queues",
963 format_vlib_pci_addr, addr);
968 static clib_error_t *
969 dpdk_log_read_ready (clib_file_t * uf)
971 unformat_input_t input;
978 uword len = vec_len (s);
979 vec_resize (s, len + n_try);
981 n = read (uf->file_descriptor, s + len, n_try);
982 if (n < 0 && errno != EAGAIN)
983 return clib_error_return_unix (0, "read");
984 vec_set_len (s, len + (n < 0 ? 0 : n));
987 unformat_init_vector (&input, s);
989 while (unformat_user (&input, unformat_line, &line))
994 /* unfortunatelly DPDK polutes log with this error messages
995 * even when we pass --in-memory which means no secondary process */
996 if (strstr ((char *) line, "WARNING! Base virtual address hint"))
998 else if (strstr ((char *) line, "This may cause issues with mapping "
999 "memory into secondary processes"))
1003 dpdk_log_notice ("%v", line);
1007 unformat_free (&input);
1011 static clib_error_t *
1012 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1014 dpdk_main_t *dm = &dpdk_main;
1015 clib_error_t *error = 0;
1016 dpdk_config_main_t *conf = &dpdk_config_main;
1017 vlib_thread_main_t *tm = vlib_get_thread_main ();
1018 dpdk_device_config_t *devconf;
1019 vlib_pci_addr_t pci_addr = { 0 };
1020 vlib_vmbus_addr_t vmbus_addr = { 0 };
1021 unformat_input_t sub_input;
1022 uword default_hugepage_sz, x;
1025 int num_whitelisted = 0;
1026 int eal_no_hugetlb = 0;
1031 u8 *huge_dir_path = 0;
1032 u32 vendor, device, domain, bus, func;
1037 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1039 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1040 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1041 sizeof (vlib_vmbus_addr_t));
1043 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1045 /* Prime the pump */
1046 if (unformat (input, "no-hugetlb"))
1048 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1051 else if (unformat (input, "telemetry"))
1052 conf->enable_telemetry = 1;
1054 else if (unformat (input, "enable-tcp-udp-checksum"))
1056 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1057 if (unformat (input, "enable-outer-checksum-offload"))
1058 dm->default_port_conf.enable_outer_checksum_offload = 1;
1060 else if (unformat (input, "no-tx-checksum-offload"))
1061 dm->default_port_conf.disable_tx_checksum_offload = 1;
1063 else if (unformat (input, "decimal-interface-names"))
1064 conf->interface_name_format_decimal = 1;
1066 else if (unformat (input, "no-multi-seg"))
1067 dm->default_port_conf.disable_multi_seg = 1;
1068 else if (unformat (input, "enable-lro"))
1069 dm->default_port_conf.enable_lro = 1;
1070 else if (unformat (input, "max-simd-bitwidth %U",
1071 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1073 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1077 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1084 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1085 unformat_vlib_cli_sub_input, &sub_input))
1087 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1095 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1098 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1105 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1106 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1108 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1116 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1120 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1127 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1129 else if (unformat (input, "uio-bind-force"))
1130 conf->uio_bind_force = 1;
1131 else if (unformat (input, "socket-mem %s", &socket_mem))
1133 else if (unformat (input, "no-pci"))
1136 tmp = format (0, "--no-pci%c", 0);
1137 vec_add1 (conf->eal_init_args, tmp);
1139 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1142 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1146 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1148 tmp = format (0, "-b%c", 0);
1149 vec_add1 (conf->eal_init_args, tmp);
1151 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1152 vec_add1 (conf->eal_init_args, tmp);
1154 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1156 u32 blacklist_entry;
1157 if (vendor > 0xFFFF)
1158 return clib_error_return (0, "blacklist PCI vendor out of range");
1159 if (device > 0xFFFF)
1160 return clib_error_return (0, "blacklist PCI device out of range");
1161 blacklist_entry = (vendor << 16) | (device & 0xffff);
1162 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1165 else if (unformat (input, "no-vmbus"))
1168 tmp = format (0, "--no-vmbus%c", 0);
1169 vec_add1 (conf->eal_init_args, tmp);
1173 else if (unformat(input, #a)) \
1175 tmp = format (0, "--%s%c", #a, 0); \
1176 vec_add1 (conf->eal_init_args, tmp); \
1178 foreach_eal_double_hyphen_predicate_arg
1181 else if (unformat(input, #a " %s", &s)) \
1183 if (!strncmp(#a, "file-prefix", 11)) \
1185 tmp = format (0, "--%s%c", #a, 0); \
1186 vec_add1 (conf->eal_init_args, tmp); \
1188 if (!strncmp(#a, "vdev", 4)) \
1189 if (strstr((char*)s, "af_packet")) \
1190 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1191 vec_add1 (conf->eal_init_args, s); \
1193 foreach_eal_double_hyphen_arg
1196 else if (unformat(input, #a " %s", &s)) \
1198 tmp = format (0, "-%s%c", #b, 0); \
1199 vec_add1 (conf->eal_init_args, tmp); \
1201 vec_add1 (conf->eal_init_args, s); \
1203 foreach_eal_single_hyphen_arg
1205 else if (unformat (input, "default"))
1208 else if (unformat_skip_white_space (input))
1210 else return clib_error_return (0, "unknown input `%U'",
1211 format_unformat_error, input);
1214 if (!conf->uio_driver_name)
1215 conf->uio_driver_name = format (0, "auto%c", 0);
1217 if (eal_no_hugetlb == 0)
1219 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1221 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1224 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1228 /* preallocate at least 16MB of hugepages per socket,
1229 if more is needed it is up to consumer to preallocate more */
1230 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1231 n_pages /= default_hugepage_sz;
1233 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1234 clib_error_report (e);
1239 /* on/off dpdk's telemetry thread */
1240 if (conf->enable_telemetry == 0)
1242 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1247 tmp = format (0, "--file-prefix%c", 0);
1248 vec_add1 (conf->eal_init_args, tmp);
1249 tmp = format (0, "vpp%c", 0);
1250 vec_add1 (conf->eal_init_args, tmp);
1253 if (no_pci == 0 && geteuid () == 0)
1254 dpdk_bind_devices_to_uio (conf);
1256 if (no_vmbus == 0 && geteuid () == 0)
1257 dpdk_bind_vmbus_devices_to_uio (conf);
1260 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1261 devconf->x = conf->default_devconf.x ;
1263 pool_foreach (devconf, conf->dev_confs) {
1265 /* default per-device config items */
1266 foreach_dpdk_device_config_item
1268 /* copy tso config from default device */
1271 /* copy tso config from default device */
1274 /* copy rss_queues config from default device */
1277 /* assume that default is PCI */
1278 fmt_func = format_vlib_pci_addr;
1279 fmt_addr = &devconf->pci_addr;
1281 if (devconf->dev_addr_type == VNET_DEV_ADDR_VMBUS)
1283 fmt_func = format_vlib_vmbus_addr;
1284 fmt_addr = &devconf->vmbus_addr;
1287 /* add DPDK EAL whitelist/blacklist entry */
1288 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1290 tmp = format (0, "-a%c", 0);
1291 vec_add1 (conf->eal_init_args, tmp);
1292 if (devconf->devargs)
1295 format (0, "%U,%s%c", fmt_func, fmt_addr, devconf->devargs, 0);
1299 tmp = format (0, "%U%c", fmt_func, fmt_addr, 0);
1301 vec_add1 (conf->eal_init_args, tmp);
1303 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1305 tmp = format (0, "-b%c", 0);
1306 vec_add1 (conf->eal_init_args, tmp);
1307 tmp = format (0, "%U%c", fmt_func, fmt_addr, 0);
1308 vec_add1 (conf->eal_init_args, tmp);
1315 clib_warning ("socket-mem argument is deprecated");
1317 /* NULL terminate the "argv" vector, in case of stupidity */
1318 vec_add1 (conf->eal_init_args, 0);
1319 vec_dec_len (conf->eal_init_args, 1);
1321 /* Set up DPDK eal and packet mbuf pool early. */
1323 int log_fds[2] = { 0 };
1324 if (pipe (log_fds) == 0)
1326 if (fcntl (log_fds[0], F_SETFL, O_NONBLOCK) == 0 &&
1327 fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1329 FILE *f = fdopen (log_fds[1], "a");
1330 if (f && rte_openlog_stream (f) == 0)
1332 clib_file_t t = { 0 };
1333 t.read_function = dpdk_log_read_ready;
1334 t.file_descriptor = log_fds[0];
1335 t.description = format (0, "DPDK logging pipe");
1336 clib_file_add (&file_main, &t);
1346 vm = vlib_get_main ();
1348 /* make copy of args as rte_eal_init tends to mess up with arg array */
1349 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1350 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1351 conf->eal_init_args[i]);
1353 vec_terminate_c_string (conf->eal_init_args_str);
1355 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1356 ret = rte_eal_init (vec_len (conf->eal_init_args),
1357 (char **) conf->eal_init_args);
1359 return clib_error_return (0, "rte_eal_init returned %d", ret);
1361 /* enable the AVX-512 vPMDs in DPDK */
1362 if (clib_cpu_supports_avx512_bitalg () &&
1363 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1364 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1365 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1366 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1367 DPDK_MAX_SIMD_BITWIDTH_256 ?
1371 /* lazy umount hugepages */
1372 umount2 ((char *) huge_dir_path, MNT_DETACH);
1373 rmdir ((char *) huge_dir_path);
1374 vec_free (huge_dir_path);
1376 /* main thread 1st */
1377 if ((error = dpdk_buffer_pools_create (vm)))
1383 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1386 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1388 vnet_main_t *vnm = vnet_get_main ();
1389 struct rte_eth_link prev_link = xd->link;
1391 u8 hw_flags_chg = 0;
1393 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1394 clib_memset (&xd->link, 0, sizeof (xd->link));
1395 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1397 if (LINK_STATE_ELOGS)
1399 ELOG_TYPE_DECLARE (e) =
1402 "update-link-state: sw_if_index %d, admin_up %d,"
1403 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1412 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1413 ed->sw_if_index = xd->sw_if_index;
1414 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1415 ed->old_link_state = (u8)
1416 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1417 ed->new_link_state = (u8) xd->link.link_status;
1420 hw_flags_chg = ((xd->link.link_duplex != prev_link.link_duplex) ||
1421 (xd->link.link_status != prev_link.link_status));
1423 if (xd->link.link_speed != prev_link.link_speed)
1424 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1425 (xd->link.link_speed == UINT32_MAX) ?
1427 xd->link.link_speed * 1000);
1431 if (xd->link.link_status)
1432 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1434 switch (xd->link.link_duplex)
1436 case RTE_ETH_LINK_HALF_DUPLEX:
1437 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1439 case RTE_ETH_LINK_FULL_DUPLEX:
1440 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1446 if (LINK_STATE_ELOGS)
1448 ELOG_TYPE_DECLARE (e) =
1451 "update-link-state: sw_if_index %d, new flags %d",.format_args
1459 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1460 ed->sw_if_index = xd->sw_if_index;
1461 ed->flags = hw_flags;
1463 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1468 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1470 clib_error_t *error;
1471 dpdk_main_t *dm = &dpdk_main;
1473 vlib_thread_main_t *tm = vlib_get_thread_main ();
1475 vlib_worker_thread_barrier_sync (vm);
1476 error = dpdk_lib_init (dm);
1479 clib_error_report (error);
1481 if (dpdk_cryptodev_init)
1483 error = dpdk_cryptodev_init (vm);
1486 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1488 clib_error_free (error);
1492 vlib_worker_thread_barrier_release (vm);
1493 tm->worker_thread_release = 1;
1495 f64 now = vlib_time_now (vm);
1496 vec_foreach (xd, dm->devices)
1498 dpdk_update_link_state (xd, now);
1504 * check each time through the loop in case intervals are changed
1506 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1507 dm->link_state_poll_interval : dm->stat_poll_interval;
1509 vlib_process_wait_for_event_or_clock (vm, min_wait);
1511 if (dm->admin_up_down_in_progress)
1512 /* skip the poll if an admin up down is in progress (on any interface) */
1515 vec_foreach (xd, dm->devices)
1517 f64 now = vlib_time_now (vm);
1518 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1519 dpdk_update_counters (xd, now);
1520 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1521 dpdk_update_link_state (xd, now);
1530 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1531 .function = dpdk_process,
1532 .type = VLIB_NODE_TYPE_PROCESS,
1533 .name = "dpdk-process",
1534 .process_log2_n_stack_bytes = 17,
1538 static clib_error_t *
1539 dpdk_init (vlib_main_t * vm)
1541 dpdk_main_t *dm = &dpdk_main;
1542 clib_error_t *error = 0;
1544 /* verify that structs are cacheline aligned */
1545 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1546 "Cache line marker must be 1st element in dpdk_device_t");
1547 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1548 CLIB_CACHE_LINE_BYTES,
1549 "Data in cache line 0 is bigger than cache line size");
1550 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1551 "Cache line marker must be 1st element in frame_queue_trace_t");
1553 dpdk_cli_reference ();
1555 dm->conf = &dpdk_config_main;
1557 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1559 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1560 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1562 dm->log_default = vlib_log_register_class ("dpdk", 0);
1563 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1568 VLIB_INIT_FUNCTION (dpdk_init);
1570 static clib_error_t *
1571 dpdk_worker_thread_init (vlib_main_t *vm)
1573 if (rte_thread_register () < 0)
1574 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1575 rte_strerror (rte_errno));
1579 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);