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/ethernet/ethernet.h>
25 #include <vnet/interface/rx_queue_funcs.h>
26 #include <dpdk/buffer.h>
27 #include <dpdk/device/dpdk.h>
28 #include <dpdk/cryptodev/cryptodev.h>
29 #include <vlib/pci/pci.h>
30 #include <vlib/vmbus/vmbus.h>
39 #include <sys/mount.h>
44 #include <dpdk/device/dpdk_priv.h>
46 #define ETHER_MAX_LEN 1518 /**< Maximum frame len, including CRC. */
48 dpdk_main_t dpdk_main;
49 dpdk_config_main_t dpdk_config_main;
51 #define LINK_STATE_ELOGS 0
53 /* Port configuration, mildly modified Intel app values */
55 static dpdk_port_type_t
56 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
59 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
60 return VNET_DPDK_PORT_TYPE_ETH_100G;
61 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
62 return VNET_DPDK_PORT_TYPE_ETH_56G;
63 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
64 return VNET_DPDK_PORT_TYPE_ETH_50G;
65 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
66 return VNET_DPDK_PORT_TYPE_ETH_40G;
67 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
68 return VNET_DPDK_PORT_TYPE_ETH_25G;
69 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
70 return VNET_DPDK_PORT_TYPE_ETH_20G;
71 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
72 return VNET_DPDK_PORT_TYPE_ETH_10G;
73 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
74 return VNET_DPDK_PORT_TYPE_ETH_5G;
75 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
76 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
77 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
78 return VNET_DPDK_PORT_TYPE_ETH_1G;
80 return VNET_DPDK_PORT_TYPE_UNKNOWN;
84 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
86 dpdk_main_t *dm = &dpdk_main;
87 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
88 u32 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
92 case ETHERNET_INTERFACE_FLAG_DEFAULT_L3:
93 /* set to L3/non-promisc mode */
94 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_PROMISC, 0);
96 case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
97 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_PROMISC, 1);
99 case ETHERNET_INTERFACE_FLAG_MTU:
100 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
101 rte_eth_dev_stop (xd->port_id);
102 rte_eth_dev_set_mtu (xd->port_id, hi->max_packet_bytes);
103 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
104 rte_eth_dev_start (xd->port_id);
105 dpdk_log_debug ("[%u] mtu changed to %u", xd->port_id,
106 hi->max_packet_bytes);
112 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
114 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
115 rte_eth_promiscuous_enable (xd->port_id);
117 rte_eth_promiscuous_disable (xd->port_id);
123 /* The function check_l3cache helps check if Level 3 cache exists or not on current CPUs
124 return value 1: exist.
125 return value 0: not exist.
133 const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache";
134 DIR *dir_cache = opendir (sys_cache_dir);
136 if (dir_cache == NULL)
139 while ((dp = readdir (dir_cache)) != NULL)
141 if (dp->d_type == DT_DIR)
144 int level_cache = -1;
146 p = format (p, "%s/%s/%s%c", sys_cache_dir, dp->d_name, "level", 0);
147 if ((err = clib_sysfs_read ((char *) p, "%d", &level_cache)))
148 clib_error_free (err);
150 if (level_cache == 3)
152 closedir (dir_cache);
158 if (dir_cache != NULL)
159 closedir (dir_cache);
164 static clib_error_t *
165 dpdk_lib_init (dpdk_main_t * dm)
167 vnet_main_t *vnm = vnet_get_main ();
170 vlib_main_t *vm = vlib_get_main ();
171 vlib_thread_main_t *tm = vlib_get_thread_main ();
172 vnet_device_main_t *vdm = &vnet_device_main;
173 vnet_sw_interface_t *sw;
174 vnet_hw_interface_t *hi;
176 vlib_pci_addr_t last_pci_addr;
177 u32 last_pci_addr_port = 0;
178 last_pci_addr.as_u32 = ~0;
180 nports = rte_eth_dev_count_avail ();
184 dpdk_log_notice ("DPDK drivers found no Ethernet devices...");
188 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
190 /* vlib_buffer_t template */
191 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
192 CLIB_CACHE_LINE_BYTES);
193 for (int i = 0; i < tm->n_vlib_mains; i++)
195 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
196 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
197 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
200 /* device config defaults */
201 dm->default_port_conf.n_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
202 dm->default_port_conf.n_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
203 dm->default_port_conf.n_rx_queues = 1;
204 dm->default_port_conf.n_tx_queues = tm->n_vlib_mains;
205 dm->default_port_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
206 dm->default_port_conf.max_lro_pkt_size = DPDK_MAX_LRO_SIZE_DEFAULT;
208 if ((clib_mem_get_default_hugepage_size () == 2 << 20) &&
209 check_l3cache () == 0)
210 dm->default_port_conf.n_rx_desc = dm->default_port_conf.n_tx_desc = 512;
212 RTE_ETH_FOREACH_DEV (port_id)
215 struct rte_eth_dev_info di;
216 struct rte_pci_device *pci_dev;
217 struct rte_vmbus_device *vmbus_dev;
218 dpdk_portid_t next_port_id;
219 dpdk_device_config_t *devconf = 0;
220 vnet_eth_interface_registration_t eir = {};
221 vlib_pci_addr_t pci_addr;
222 vlib_vmbus_addr_t vmbus_addr;
225 if (!rte_eth_dev_is_valid_port (port_id))
228 rte_eth_dev_info_get (port_id, &di);
232 dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
237 pci_dev = dpdk_get_pci_device (&di);
241 pci_addr.domain = pci_dev->addr.domain;
242 pci_addr.bus = pci_dev->addr.bus;
243 pci_addr.slot = pci_dev->addr.devid;
244 pci_addr.function = pci_dev->addr.function;
245 p = hash_get (dm->conf->device_config_index_by_pci_addr,
249 vmbus_dev = dpdk_get_vmbus_device (&di);
253 unformat_input_t input_vmbus;
254 unformat_init_string (&input_vmbus, di.device->name,
255 strlen (di.device->name));
256 if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr,
259 p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
262 unformat_free (&input_vmbus);
267 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
268 /* If device is blacklisted, we should skip it */
269 if (devconf->is_blacklisted)
275 devconf = &dm->conf->default_devconf;
277 /* Create vnet interface */
278 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
279 xd->cpu_socket = (i8) rte_eth_dev_socket_id (port_id);
280 clib_memcpy (&xd->conf, &dm->default_port_conf,
281 sizeof (dpdk_port_conf_t));
285 xd->name = devconf->name;
288 /* Handle representor devices that share the same PCI ID */
289 if (di.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
291 if (di.switch_info.port_id != (uint16_t) -1)
292 xd->interface_name_suffix =
293 format (0, "%d", di.switch_info.port_id);
295 /* Handle interface naming for devices with multiple ports sharing same
297 else if (pci_dev && ((next_port_id = rte_eth_find_next (port_id + 1)) !=
300 struct rte_eth_dev_info next_di = { 0 };
301 struct rte_pci_device *next_pci_dev;
302 rte_eth_dev_info_get (next_port_id, &next_di);
303 next_pci_dev = next_di.device ? RTE_DEV_TO_PCI (next_di.device) : 0;
304 if (next_pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
305 memcmp (&pci_dev->addr, &next_pci_dev->addr,
306 sizeof (struct rte_pci_addr)) == 0)
308 xd->interface_name_suffix = format (0, "0");
309 last_pci_addr.as_u32 = pci_addr.as_u32;
310 last_pci_addr_port = port_id;
312 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
314 xd->interface_name_suffix =
315 format (0, "%u", port_id - last_pci_addr_port);
319 last_pci_addr.as_u32 = ~0;
323 last_pci_addr.as_u32 = ~0;
325 if (devconf->max_lro_pkt_size)
326 xd->conf.max_lro_pkt_size = devconf->max_lro_pkt_size;
328 xd->conf.n_tx_queues = clib_min (di.max_tx_queues, xd->conf.n_tx_queues);
330 if (devconf->num_tx_queues > 0 &&
331 devconf->num_tx_queues < xd->conf.n_tx_queues)
332 xd->conf.n_tx_queues = devconf->num_tx_queues;
334 if (devconf->num_rx_queues > 1 &&
335 di.max_rx_queues >= devconf->num_rx_queues)
337 xd->conf.n_rx_queues = devconf->num_rx_queues;
340 u64 unsupported_bits;
341 xd->conf.rss_hf = devconf->rss_fn;
342 unsupported_bits = xd->conf.rss_hf;
343 unsupported_bits &= ~di.flow_type_rss_offloads;
344 if (unsupported_bits)
345 dpdk_log_warn ("Unsupported RSS hash functions: %U",
346 format_dpdk_rss_hf_name, unsupported_bits);
348 xd->conf.rss_hf &= di.flow_type_rss_offloads;
351 if (devconf->num_rx_desc)
352 xd->conf.n_rx_desc = devconf->num_rx_desc;
354 if (devconf->num_tx_desc)
355 xd->conf.n_tx_desc = devconf->num_tx_desc;
357 vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
358 CLIB_CACHE_LINE_BYTES);
360 /* workaround for drivers not setting driver_name */
361 if ((!di.driver_name) && (pci_dev))
362 di.driver_name = pci_dev->driver->driver.name;
364 ASSERT (di.driver_name);
370 else if (di.driver_name && !strcmp (di.driver_name, s)) xd->pmd = \
376 else xd->pmd = VNET_DPDK_PMD_UNKNOWN;
378 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
382 /* Drivers with valid speed_capa set */
383 case VNET_DPDK_PMD_I40E:
384 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INT_UNMASKABLE, 1);
386 case VNET_DPDK_PMD_E1000EM:
387 case VNET_DPDK_PMD_IGB:
388 case VNET_DPDK_PMD_IGC:
389 case VNET_DPDK_PMD_IXGBE:
390 case VNET_DPDK_PMD_ICE:
391 xd->supported_flow_actions =
392 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
393 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
394 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
395 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
396 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM, 1);
397 xd->conf.enable_rxq_int = 1;
399 case VNET_DPDK_PMD_MLX5:
400 case VNET_DPDK_PMD_CXGBE:
401 case VNET_DPDK_PMD_MLX4:
402 case VNET_DPDK_PMD_QEDE:
403 case VNET_DPDK_PMD_BNXT:
404 case VNET_DPDK_PMD_ENIC:
405 xd->port_type = port_type_from_speed_capa (&di);
409 case VNET_DPDK_PMD_I40EVF:
410 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INT_UNMASKABLE, 1);
412 case VNET_DPDK_PMD_IGBVF:
413 case VNET_DPDK_PMD_IXGBEVF:
414 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
415 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM, 1);
416 /* DPDK bug in multiqueue... */
417 /* xd->port_conf.intr_conf.rxq = 1; */
421 case VNET_DPDK_PMD_IAVF:
422 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INT_UNMASKABLE, 1);
423 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM, 1);
424 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
425 xd->supported_flow_actions =
426 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
427 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
428 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
429 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
430 /* DPDK bug in multiqueue... */
431 /* xd->port_conf.intr_conf.rxq = 1; */
434 case VNET_DPDK_PMD_THUNDERX:
435 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
438 case VNET_DPDK_PMD_ENA:
439 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
440 xd->conf.disable_rx_scatter = 1;
441 xd->conf.enable_rxq_int = 1;
444 case VNET_DPDK_PMD_DPAA2:
445 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
448 /* Intel Red Rock Canyon */
449 case VNET_DPDK_PMD_FM10K:
450 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
454 case VNET_DPDK_PMD_VIRTIO:
455 xd->conf.disable_rss = 1;
456 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
457 xd->conf.n_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
458 xd->conf.n_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
460 * Enable use of RX interrupts if supported.
462 * There is no device flag or capability for this, so
463 * use the same check that the virtio driver does.
465 if (pci_dev && rte_intr_cap_multiple (&pci_dev->intr_handle))
466 xd->conf.enable_rxq_int = 1;
470 case VNET_DPDK_PMD_VMXNET3:
471 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
474 case VNET_DPDK_PMD_AF_PACKET:
475 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
478 case VNET_DPDK_PMD_VIRTIO_USER:
479 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
482 case VNET_DPDK_PMD_VHOST_ETHER:
483 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
486 case VNET_DPDK_PMD_LIOVF_ETHER:
487 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
490 case VNET_DPDK_PMD_FAILSAFE:
491 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
492 xd->conf.enable_lsc_int = 1;
495 case VNET_DPDK_PMD_NETVSC:
497 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
502 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
506 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
508 f64 now = vlib_time_now (vm);
510 rnd = (u32) (now * 1e6);
511 rnd = random_u32 (&rnd);
512 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
517 rte_eth_macaddr_get (port_id, (void *) addr);
519 xd->port_id = port_id;
520 xd->device_index = xd - dm->devices;
521 xd->per_interface_next_index = ~0;
523 /* assign interface to input thread */
526 eir.dev_class_index = dpdk_device_class.index;
527 eir.dev_instance = xd->device_index;
529 eir.cb.flag_change = dpdk_flag_change;
530 xd->hw_if_index = vnet_eth_register_interface (vnm, &eir);
532 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
533 xd->sw_if_index = sw->sw_if_index;
534 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
536 if (devconf->workers)
540 clib_bitmap_foreach (j, devconf->workers)
542 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
543 rxq->queue_index = vnet_hw_if_register_rx_queue (
544 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
548 for (q = 0; q < xd->conf.n_rx_queues; q++)
550 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
551 rxq->queue_index = vnet_hw_if_register_rx_queue (
552 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
556 /*Get vnet hardware interface */
557 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
561 hi->numa_node = xd->cpu_socket;
563 /* Indicate ability to support L3 DMAC filtering and
564 * initialize interface to L3 non-promisc mode */
565 ethernet_set_flags (vnm, xd->hw_if_index,
566 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
569 if (devconf->tso == DPDK_DEVICE_TSO_ON)
571 /*tcp_udp checksum must be enabled*/
572 if (xd->conf.enable_tcp_udp_checksum == 0)
573 dpdk_log_warn ("[%u] TCP/UDP checksum offload must be enabled",
575 else if ((di.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO) == 0)
576 dpdk_log_warn ("[%u] TSO not supported by device", xd->port_id);
578 xd->conf.enable_tso = 1;
581 dpdk_device_setup (xd);
583 /* rss queues should be configured after dpdk_device_setup() */
584 if ((hi != NULL) && (devconf->rss_queues != NULL))
586 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
587 devconf->rss_queues))
589 clib_warning ("%s: Failed to set rss queues", hi->name);
593 if (vec_len (xd->errors))
594 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
595 format_dpdk_device_name, port_id,
596 format_dpdk_device_errors, xd);
599 for (int i = 0; i < vec_len (dm->devices); i++)
600 vnet_hw_if_update_runtime_data (vnm, dm->devices[i].hw_if_index);
606 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
608 vlib_main_t *vm = vlib_get_main ();
611 int num_whitelisted = vec_len (conf->dev_confs);
612 vlib_pci_device_info_t *d = 0;
613 vlib_pci_addr_t *addr = 0, *addrs;
616 addrs = vlib_pci_get_all_dev_addrs ();
618 vec_foreach (addr, addrs)
620 dpdk_device_config_t * devconf = 0;
621 vec_reset_length (pci_addr);
622 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
625 vlib_pci_free_device_info (d);
628 d = vlib_pci_get_device_info (vm, addr, &error);
631 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
632 clib_error_free (error);
636 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
641 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
649 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
652 /* Enforce Device blacklist by vendor and device */
653 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
656 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
657 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
658 if (d->vendor_id == vendor && d->device_id == device)
661 * Expected case: device isn't whitelisted,
666 /* Device is blacklisted */
667 pool_get (conf->dev_confs, devconf);
668 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
669 devconf - conf->dev_confs);
670 devconf->pci_addr.as_u32 = addr->as_u32;
671 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
672 devconf->is_blacklisted = 1;
675 else /* explicitly whitelisted, ignore the device blacklist */
681 if (d->vendor_id == 0x1af4 &&
682 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
683 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
686 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
689 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
690 * the default is to put it in the blacklist.
694 pool_get (conf->dev_confs, devconf);
695 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
696 devconf - conf->dev_confs);
697 devconf->pci_addr.as_u32 = addr->as_u32;
698 devconf->is_blacklisted = 1;
701 /* all Intel network devices */
702 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
704 /* all Intel QAT devices VFs */
705 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
706 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
707 d->device_id == 0x37c9 || d->device_id == 0x6f55))
710 else if (d->vendor_id == 0x1137 &&
711 (d->device_id == 0x0043 || d->device_id == 0x0071))
714 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
716 /* Amazon Elastic Network Adapter */
717 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
719 /* Cavium Network Adapter */
720 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
722 /* Cavium FastlinQ QL41000 Series */
723 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
725 /* Mellanox CX3, CX3VF */
726 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
730 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
731 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
735 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
736 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
740 /* Broadcom NetXtreme S, and E series only */
741 else if (d->vendor_id == 0x14e4 &&
742 ((d->device_id >= 0x16c0 &&
743 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
744 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
745 d->device_id != 0x16fd && d->device_id != 0x16fe &&
746 d->device_id != 0x170d && d->device_id != 0x170c &&
747 d->device_id != 0x170e && d->device_id != 0x1712 &&
748 d->device_id != 0x1713) ||
749 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
750 d->device_id == 0x1614 || d->device_id == 0x1606 ||
751 d->device_id == 0x1609 || d->device_id == 0x1614)))
755 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
756 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
761 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
767 pool_get (conf->dev_confs, devconf);
768 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
769 devconf - conf->dev_confs);
770 devconf->pci_addr.as_u32 = addr->as_u32;
772 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
773 devconf->is_blacklisted = 1;
774 clib_error_report (error);
779 vlib_pci_free_device_info (d);
783 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
786 vlib_vmbus_addr_t *addrs, *addr = 0;
787 int num_whitelisted = vec_len (conf->dev_confs);
790 addrs = vlib_vmbus_get_all_dev_addrs ();
793 vec_foreach (addr, addrs)
795 dpdk_device_config_t *devconf = 0;
799 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
802 /* No devices blacklisted, but have whitelisted. blacklist all
804 pool_get (conf->dev_confs, devconf);
805 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
806 devconf - conf->dev_confs, 0);
807 devconf->vmbus_addr = *addr;
808 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
809 devconf->is_blacklisted = 1;
814 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
817 /* Enforce Device blacklist by vmbus_addr */
818 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
820 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
821 vlib_vmbus_addr_t *a2 = addr;
822 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
826 /* Device not whitelisted */
827 pool_get (conf->dev_confs, devconf);
828 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
829 devconf - conf->dev_confs, 0);
830 devconf->vmbus_addr = *addr;
831 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
832 devconf->is_blacklisted = 1;
842 error = vlib_vmbus_bind_to_uio (addr);
847 pool_get (conf->dev_confs, devconf);
848 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
849 devconf - conf->dev_confs, 0);
850 devconf->vmbus_addr = *addr;
852 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
853 devconf->is_blacklisted = 1;
854 clib_error_report (error);
861 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
863 uword *max_simd_bitwidth = va_arg (*va, uword *);
865 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
867 if (!unformat (input, "%u", max_simd_bitwidth))
870 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
871 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
879 static clib_error_t *
880 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
881 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
884 clib_error_t *error = 0;
886 dpdk_device_config_t *devconf = 0;
887 unformat_input_t sub_input;
891 devconf = &conf->default_devconf;
893 else if (addr_type == VNET_DEV_ADDR_PCI)
895 p = hash_get (conf->device_config_index_by_pci_addr,
896 ((vlib_pci_addr_t *) (addr))->as_u32);
900 pool_get (conf->dev_confs, devconf);
901 hash_set (conf->device_config_index_by_pci_addr,
902 ((vlib_pci_addr_t *) (addr))->as_u32,
903 devconf - conf->dev_confs);
906 return clib_error_return (0,
907 "duplicate configuration for PCI address %U",
908 format_vlib_pci_addr, addr);
910 else if (addr_type == VNET_DEV_ADDR_VMBUS)
912 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
913 (vlib_vmbus_addr_t *) (addr));
917 pool_get (conf->dev_confs, devconf);
918 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
919 devconf - conf->dev_confs, 0);
922 return clib_error_return (
923 0, "duplicate configuration for VMBUS address %U",
924 format_vlib_vmbus_addr, addr);
927 if (addr_type == VNET_DEV_ADDR_PCI)
929 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
930 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
931 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
933 else if (addr_type == VNET_DEV_ADDR_VMBUS)
935 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
936 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
937 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
943 unformat_skip_white_space (input);
944 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
946 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
948 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
950 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
952 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
954 else if (unformat (input, "name %s", &devconf->name))
956 else if (unformat (input, "workers %U", unformat_bitmap_list,
961 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
963 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
967 else if (unformat (input, "tso on"))
969 devconf->tso = DPDK_DEVICE_TSO_ON;
971 else if (unformat (input, "tso off"))
973 devconf->tso = DPDK_DEVICE_TSO_OFF;
975 else if (unformat (input, "devargs %s", &devconf->devargs))
977 else if (unformat (input, "rss-queues %U",
978 unformat_bitmap_list, &devconf->rss_queues))
980 else if (unformat (input, "max-lro-pkt-size %u",
981 &devconf->max_lro_pkt_size))
985 error = clib_error_return (0, "unknown input `%U'",
986 format_unformat_error, input);
994 if (devconf->workers && devconf->num_rx_queues == 0)
995 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
996 else if (devconf->workers &&
997 clib_bitmap_count_set_bits (devconf->workers) !=
998 devconf->num_rx_queues)
999 error = clib_error_return (0,
1000 "%U: number of worker threads must be "
1001 "equal to number of rx queues",
1002 format_vlib_pci_addr, addr);
1007 static clib_error_t *
1008 dpdk_log_read_ready (clib_file_t * uf)
1010 unformat_input_t input;
1017 uword len = vec_len (s);
1018 vec_resize (s, len + n_try);
1020 n = read (uf->file_descriptor, s + len, n_try);
1021 if (n < 0 && errno != EAGAIN)
1022 return clib_error_return_unix (0, "read");
1023 _vec_len (s) = len + (n < 0 ? 0 : n);
1026 unformat_init_vector (&input, s);
1028 while (unformat_user (&input, unformat_line, &line))
1033 /* unfortunatelly DPDK polutes log with this error messages
1034 * even when we pass --in-memory which means no secondary process */
1035 if (strstr ((char *) line, "WARNING! Base virtual address hint"))
1037 else if (strstr ((char *) line, "This may cause issues with mapping "
1038 "memory into secondary processes"))
1042 dpdk_log_notice ("%v", line);
1046 unformat_free (&input);
1050 static clib_error_t *
1051 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1053 dpdk_main_t *dm = &dpdk_main;
1054 clib_error_t *error = 0;
1055 dpdk_config_main_t *conf = &dpdk_config_main;
1056 vlib_thread_main_t *tm = vlib_get_thread_main ();
1057 dpdk_device_config_t *devconf;
1058 vlib_pci_addr_t pci_addr = { 0 };
1059 vlib_vmbus_addr_t vmbus_addr = { 0 };
1060 unformat_input_t sub_input;
1061 uword default_hugepage_sz, x;
1064 int num_whitelisted = 0;
1065 int eal_no_hugetlb = 0;
1070 u8 *huge_dir_path = 0;
1071 u32 vendor, device, domain, bus, func;
1074 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1076 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1077 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1078 sizeof (vlib_vmbus_addr_t));
1080 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1082 /* Prime the pump */
1083 if (unformat (input, "no-hugetlb"))
1085 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1088 else if (unformat (input, "telemetry"))
1089 conf->enable_telemetry = 1;
1091 else if (unformat (input, "enable-tcp-udp-checksum"))
1093 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1094 if (unformat (input, "enable-outer-checksum-offload"))
1095 dm->default_port_conf.enable_outer_checksum_offload = 1;
1097 else if (unformat (input, "no-tx-checksum-offload"))
1098 dm->default_port_conf.disable_tx_checksum_offload = 1;
1100 else if (unformat (input, "decimal-interface-names"))
1101 conf->interface_name_format_decimal = 1;
1103 else if (unformat (input, "no-multi-seg"))
1104 dm->default_port_conf.disable_multi_seg = 1;
1105 else if (unformat (input, "enable-lro"))
1106 dm->default_port_conf.enable_lro = 1;
1107 else if (unformat (input, "max-simd-bitwidth %U",
1108 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1110 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1114 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1121 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1122 unformat_vlib_cli_sub_input, &sub_input))
1124 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1132 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1135 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1142 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1143 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1145 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1153 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1157 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1164 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1166 else if (unformat (input, "socket-mem %s", &socket_mem))
1168 else if (unformat (input, "no-pci"))
1171 tmp = format (0, "--no-pci%c", 0);
1172 vec_add1 (conf->eal_init_args, tmp);
1174 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1177 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1181 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1183 tmp = format (0, "-b%c", 0);
1184 vec_add1 (conf->eal_init_args, tmp);
1186 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1187 vec_add1 (conf->eal_init_args, tmp);
1189 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1191 u32 blacklist_entry;
1192 if (vendor > 0xFFFF)
1193 return clib_error_return (0, "blacklist PCI vendor out of range");
1194 if (device > 0xFFFF)
1195 return clib_error_return (0, "blacklist PCI device out of range");
1196 blacklist_entry = (vendor << 16) | (device & 0xffff);
1197 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1200 else if (unformat (input, "no-vmbus"))
1203 tmp = format (0, "--no-vmbus%c", 0);
1204 vec_add1 (conf->eal_init_args, tmp);
1208 else if (unformat(input, #a)) \
1210 tmp = format (0, "--%s%c", #a, 0); \
1211 vec_add1 (conf->eal_init_args, tmp); \
1213 foreach_eal_double_hyphen_predicate_arg
1216 else if (unformat(input, #a " %s", &s)) \
1218 if (!strncmp(#a, "file-prefix", 11)) \
1220 tmp = format (0, "--%s%c", #a, 0); \
1221 vec_add1 (conf->eal_init_args, tmp); \
1223 if (!strncmp(#a, "vdev", 4)) \
1224 if (strstr((char*)s, "af_packet")) \
1225 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1226 vec_add1 (conf->eal_init_args, s); \
1228 foreach_eal_double_hyphen_arg
1231 else if (unformat(input, #a " %s", &s)) \
1233 tmp = format (0, "-%s%c", #b, 0); \
1234 vec_add1 (conf->eal_init_args, tmp); \
1236 vec_add1 (conf->eal_init_args, s); \
1238 foreach_eal_single_hyphen_arg
1240 else if (unformat (input, "default"))
1243 else if (unformat_skip_white_space (input))
1247 error = clib_error_return (0, "unknown input `%U'",
1248 format_unformat_error, input);
1253 if (!conf->uio_driver_name)
1254 conf->uio_driver_name = format (0, "auto%c", 0);
1256 if (eal_no_hugetlb == 0)
1258 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1260 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1263 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1267 /* preallocate at least 16MB of hugepages per socket,
1268 if more is needed it is up to consumer to preallocate more */
1269 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1270 n_pages /= default_hugepage_sz;
1272 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1273 clib_error_report (e);
1278 /* on/off dpdk's telemetry thread */
1279 if (conf->enable_telemetry == 0)
1281 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1286 tmp = format (0, "--file-prefix%c", 0);
1287 vec_add1 (conf->eal_init_args, tmp);
1288 tmp = format (0, "vpp%c", 0);
1289 vec_add1 (conf->eal_init_args, tmp);
1295 if (no_pci == 0 && geteuid () == 0)
1296 dpdk_bind_devices_to_uio (conf);
1298 if (no_vmbus == 0 && geteuid () == 0)
1299 dpdk_bind_vmbus_devices_to_uio (conf);
1302 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1303 devconf->x = conf->default_devconf.x ;
1305 pool_foreach (devconf, conf->dev_confs) {
1307 /* default per-device config items */
1308 foreach_dpdk_device_config_item
1310 /* copy tso config from default device */
1313 /* copy tso config from default device */
1316 /* copy rss_queues config from default device */
1319 /* add DPDK EAL whitelist/blacklist entry */
1320 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1321 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1323 tmp = format (0, "-a%c", 0);
1324 vec_add1 (conf->eal_init_args, tmp);
1325 if (devconf->devargs)
1327 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1328 &devconf->pci_addr, devconf->devargs, 0);
1332 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1334 vec_add1 (conf->eal_init_args, tmp);
1336 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1337 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1339 tmp = format (0, "-b%c", 0);
1340 vec_add1 (conf->eal_init_args, tmp);
1341 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1342 vec_add1 (conf->eal_init_args, tmp);
1349 clib_warning ("socket-mem argument is deprecated");
1351 /* NULL terminate the "argv" vector, in case of stupidity */
1352 vec_add1 (conf->eal_init_args, 0);
1353 _vec_len (conf->eal_init_args) -= 1;
1355 /* Set up DPDK eal and packet mbuf pool early. */
1357 int log_fds[2] = { 0 };
1358 if (pipe (log_fds) == 0)
1360 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1362 FILE *f = fdopen (log_fds[1], "a");
1363 if (f && rte_openlog_stream (f) == 0)
1365 clib_file_t t = { 0 };
1366 t.read_function = dpdk_log_read_ready;
1367 t.file_descriptor = log_fds[0];
1368 t.description = format (0, "DPDK logging pipe");
1369 clib_file_add (&file_main, &t);
1379 vm = vlib_get_main ();
1381 /* make copy of args as rte_eal_init tends to mess up with arg array */
1382 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1383 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1384 conf->eal_init_args[i]);
1386 vec_terminate_c_string (conf->eal_init_args_str);
1388 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1389 ret = rte_eal_init (vec_len (conf->eal_init_args),
1390 (char **) conf->eal_init_args);
1392 /* enable the AVX-512 vPMDs in DPDK */
1393 if (clib_cpu_supports_avx512_bitalg () &&
1394 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1395 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1396 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1397 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1398 DPDK_MAX_SIMD_BITWIDTH_256 ?
1402 /* lazy umount hugepages */
1403 umount2 ((char *) huge_dir_path, MNT_DETACH);
1404 rmdir ((char *) huge_dir_path);
1405 vec_free (huge_dir_path);
1408 return clib_error_return (0, "rte_eal_init returned %d", ret);
1410 /* main thread 1st */
1411 if ((error = dpdk_buffer_pools_create (vm)))
1418 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1421 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1423 vnet_main_t *vnm = vnet_get_main ();
1424 struct rte_eth_link prev_link = xd->link;
1426 u8 hw_flags_chg = 0;
1428 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1429 clib_memset (&xd->link, 0, sizeof (xd->link));
1430 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1432 if (LINK_STATE_ELOGS)
1434 ELOG_TYPE_DECLARE (e) =
1437 "update-link-state: sw_if_index %d, admin_up %d,"
1438 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1447 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1448 ed->sw_if_index = xd->sw_if_index;
1449 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1450 ed->old_link_state = (u8)
1451 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1452 ed->new_link_state = (u8) xd->link.link_status;
1455 if ((xd->link.link_duplex != prev_link.link_duplex))
1458 switch (xd->link.link_duplex)
1460 case ETH_LINK_HALF_DUPLEX:
1461 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1463 case ETH_LINK_FULL_DUPLEX:
1464 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1470 if (xd->link.link_speed != prev_link.link_speed)
1471 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1472 xd->link.link_speed * 1000);
1474 if (xd->link.link_status != prev_link.link_status)
1478 if (xd->link.link_status)
1479 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1484 if (LINK_STATE_ELOGS)
1486 ELOG_TYPE_DECLARE (e) =
1489 "update-link-state: sw_if_index %d, new flags %d",.format_args
1497 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1498 ed->sw_if_index = xd->sw_if_index;
1499 ed->flags = hw_flags;
1501 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1506 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1508 clib_error_t *error;
1509 dpdk_main_t *dm = &dpdk_main;
1511 vlib_thread_main_t *tm = vlib_get_thread_main ();
1513 error = dpdk_lib_init (dm);
1516 clib_error_report (error);
1518 if (dpdk_cryptodev_init)
1520 error = dpdk_cryptodev_init (vm);
1523 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1525 clib_error_free (error);
1529 tm->worker_thread_release = 1;
1531 f64 now = vlib_time_now (vm);
1532 vec_foreach (xd, dm->devices)
1534 dpdk_update_link_state (xd, now);
1540 * check each time through the loop in case intervals are changed
1542 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1543 dm->link_state_poll_interval : dm->stat_poll_interval;
1545 vlib_process_wait_for_event_or_clock (vm, min_wait);
1547 if (dm->admin_up_down_in_progress)
1548 /* skip the poll if an admin up down is in progress (on any interface) */
1551 vec_foreach (xd, dm->devices)
1553 f64 now = vlib_time_now (vm);
1554 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1555 dpdk_update_counters (xd, now);
1556 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1557 dpdk_update_link_state (xd, now);
1566 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1567 .function = dpdk_process,
1568 .type = VLIB_NODE_TYPE_PROCESS,
1569 .name = "dpdk-process",
1570 .process_log2_n_stack_bytes = 17,
1574 static clib_error_t *
1575 dpdk_init (vlib_main_t * vm)
1577 dpdk_main_t *dm = &dpdk_main;
1578 clib_error_t *error = 0;
1580 /* verify that structs are cacheline aligned */
1581 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1582 "Cache line marker must be 1st element in dpdk_device_t");
1583 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1584 CLIB_CACHE_LINE_BYTES,
1585 "Data in cache line 0 is bigger than cache line size");
1586 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1587 "Cache line marker must be 1st element in frame_queue_trace_t");
1589 dpdk_cli_reference ();
1591 dm->conf = &dpdk_config_main;
1593 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1595 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1596 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1598 dm->log_default = vlib_log_register_class ("dpdk", 0);
1599 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1604 VLIB_INIT_FUNCTION (dpdk_init);
1606 static clib_error_t *
1607 dpdk_worker_thread_init (vlib_main_t *vm)
1609 if (rte_thread_register () < 0)
1610 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1611 rte_strerror (rte_errno));
1615 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);