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);
555 vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
557 /*Get vnet hardware interface */
558 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
562 hi->numa_node = xd->cpu_socket;
564 /* Indicate ability to support L3 DMAC filtering and
565 * initialize interface to L3 non-promisc mode */
566 ethernet_set_flags (vnm, xd->hw_if_index,
567 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
570 if (devconf->tso == DPDK_DEVICE_TSO_ON)
572 /*tcp_udp checksum must be enabled*/
573 if (xd->conf.enable_tcp_udp_checksum == 0)
574 dpdk_log_warn ("[%u] TCP/UDP checksum offload must be enabled",
576 else if ((di.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO) == 0)
577 dpdk_log_warn ("[%u] TSO not supported by device", xd->port_id);
579 xd->conf.enable_tso = 1;
582 dpdk_device_setup (xd);
584 /* rss queues should be configured after dpdk_device_setup() */
585 if ((hi != NULL) && (devconf->rss_queues != NULL))
587 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
588 devconf->rss_queues))
590 clib_warning ("%s: Failed to set rss queues", hi->name);
594 if (vec_len (xd->errors))
595 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
596 format_dpdk_device_name, port_id,
597 format_dpdk_device_errors, xd);
604 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
606 vlib_main_t *vm = vlib_get_main ();
609 int num_whitelisted = vec_len (conf->dev_confs);
610 vlib_pci_device_info_t *d = 0;
611 vlib_pci_addr_t *addr = 0, *addrs;
614 addrs = vlib_pci_get_all_dev_addrs ();
616 vec_foreach (addr, addrs)
618 dpdk_device_config_t * devconf = 0;
619 vec_reset_length (pci_addr);
620 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
623 vlib_pci_free_device_info (d);
626 d = vlib_pci_get_device_info (vm, addr, &error);
629 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
630 clib_error_free (error);
634 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
639 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
647 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
650 /* Enforce Device blacklist by vendor and device */
651 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
654 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
655 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
656 if (d->vendor_id == vendor && d->device_id == device)
659 * Expected case: device isn't whitelisted,
664 /* Device is blacklisted */
665 pool_get (conf->dev_confs, devconf);
666 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
667 devconf - conf->dev_confs);
668 devconf->pci_addr.as_u32 = addr->as_u32;
669 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
670 devconf->is_blacklisted = 1;
673 else /* explicitly whitelisted, ignore the device blacklist */
679 if (d->vendor_id == 0x1af4 &&
680 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
681 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
684 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
687 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
688 * the default is to put it in the blacklist.
692 pool_get (conf->dev_confs, devconf);
693 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
694 devconf - conf->dev_confs);
695 devconf->pci_addr.as_u32 = addr->as_u32;
696 devconf->is_blacklisted = 1;
699 /* all Intel network devices */
700 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
702 /* all Intel QAT devices VFs */
703 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
704 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
705 d->device_id == 0x37c9 || d->device_id == 0x6f55))
708 else if (d->vendor_id == 0x1137 &&
709 (d->device_id == 0x0043 || d->device_id == 0x0071))
712 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
714 /* Amazon Elastic Network Adapter */
715 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
717 /* Cavium Network Adapter */
718 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
720 /* Cavium FastlinQ QL41000 Series */
721 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
723 /* Mellanox CX3, CX3VF */
724 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
728 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
729 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
733 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
734 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
738 /* Broadcom NetXtreme S, and E series only */
739 else if (d->vendor_id == 0x14e4 &&
740 ((d->device_id >= 0x16c0 &&
741 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
742 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
743 d->device_id != 0x16fd && d->device_id != 0x16fe &&
744 d->device_id != 0x170d && d->device_id != 0x170c &&
745 d->device_id != 0x170e && d->device_id != 0x1712 &&
746 d->device_id != 0x1713) ||
747 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
748 d->device_id == 0x1614 || d->device_id == 0x1606 ||
749 d->device_id == 0x1609 || d->device_id == 0x1614)))
753 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
754 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
759 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
765 pool_get (conf->dev_confs, devconf);
766 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
767 devconf - conf->dev_confs);
768 devconf->pci_addr.as_u32 = addr->as_u32;
770 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
771 devconf->is_blacklisted = 1;
772 clib_error_report (error);
777 vlib_pci_free_device_info (d);
781 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
784 vlib_vmbus_addr_t *addrs, *addr = 0;
785 int num_whitelisted = vec_len (conf->dev_confs);
788 addrs = vlib_vmbus_get_all_dev_addrs ();
791 vec_foreach (addr, addrs)
793 dpdk_device_config_t *devconf = 0;
797 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
800 /* No devices blacklisted, but have whitelisted. blacklist all
802 pool_get (conf->dev_confs, devconf);
803 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
804 devconf - conf->dev_confs, 0);
805 devconf->vmbus_addr = *addr;
806 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
807 devconf->is_blacklisted = 1;
812 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
815 /* Enforce Device blacklist by vmbus_addr */
816 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
818 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
819 vlib_vmbus_addr_t *a2 = addr;
820 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
824 /* Device not whitelisted */
825 pool_get (conf->dev_confs, devconf);
826 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
827 devconf - conf->dev_confs, 0);
828 devconf->vmbus_addr = *addr;
829 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
830 devconf->is_blacklisted = 1;
840 error = vlib_vmbus_bind_to_uio (addr);
845 pool_get (conf->dev_confs, devconf);
846 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
847 devconf - conf->dev_confs, 0);
848 devconf->vmbus_addr = *addr;
850 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
851 devconf->is_blacklisted = 1;
852 clib_error_report (error);
859 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
861 uword *max_simd_bitwidth = va_arg (*va, uword *);
863 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
865 if (!unformat (input, "%u", max_simd_bitwidth))
868 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
869 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
877 static clib_error_t *
878 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
879 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
882 clib_error_t *error = 0;
884 dpdk_device_config_t *devconf = 0;
885 unformat_input_t sub_input;
889 devconf = &conf->default_devconf;
891 else if (addr_type == VNET_DEV_ADDR_PCI)
893 p = hash_get (conf->device_config_index_by_pci_addr,
894 ((vlib_pci_addr_t *) (addr))->as_u32);
898 pool_get (conf->dev_confs, devconf);
899 hash_set (conf->device_config_index_by_pci_addr,
900 ((vlib_pci_addr_t *) (addr))->as_u32,
901 devconf - conf->dev_confs);
904 return clib_error_return (0,
905 "duplicate configuration for PCI address %U",
906 format_vlib_pci_addr, addr);
908 else if (addr_type == VNET_DEV_ADDR_VMBUS)
910 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
911 (vlib_vmbus_addr_t *) (addr));
915 pool_get (conf->dev_confs, devconf);
916 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
917 devconf - conf->dev_confs, 0);
920 return clib_error_return (
921 0, "duplicate configuration for VMBUS address %U",
922 format_vlib_vmbus_addr, addr);
925 if (addr_type == VNET_DEV_ADDR_PCI)
927 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
928 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
929 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
931 else if (addr_type == VNET_DEV_ADDR_VMBUS)
933 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
934 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
935 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
941 unformat_skip_white_space (input);
942 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
944 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
946 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
948 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
950 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
952 else if (unformat (input, "name %s", &devconf->name))
954 else if (unformat (input, "workers %U", unformat_bitmap_list,
959 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
961 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
965 else if (unformat (input, "tso on"))
967 devconf->tso = DPDK_DEVICE_TSO_ON;
969 else if (unformat (input, "tso off"))
971 devconf->tso = DPDK_DEVICE_TSO_OFF;
973 else if (unformat (input, "devargs %s", &devconf->devargs))
975 else if (unformat (input, "rss-queues %U",
976 unformat_bitmap_list, &devconf->rss_queues))
978 else if (unformat (input, "max-lro-pkt-size %u",
979 &devconf->max_lro_pkt_size))
983 error = clib_error_return (0, "unknown input `%U'",
984 format_unformat_error, input);
992 if (devconf->workers && devconf->num_rx_queues == 0)
993 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
994 else if (devconf->workers &&
995 clib_bitmap_count_set_bits (devconf->workers) !=
996 devconf->num_rx_queues)
997 error = clib_error_return (0,
998 "%U: number of worker threads must be "
999 "equal to number of rx queues",
1000 format_vlib_pci_addr, addr);
1005 static clib_error_t *
1006 dpdk_log_read_ready (clib_file_t * uf)
1008 unformat_input_t input;
1015 uword len = vec_len (s);
1016 vec_resize (s, len + n_try);
1018 n = read (uf->file_descriptor, s + len, n_try);
1019 if (n < 0 && errno != EAGAIN)
1020 return clib_error_return_unix (0, "read");
1021 _vec_len (s) = len + (n < 0 ? 0 : n);
1024 unformat_init_vector (&input, s);
1026 while (unformat_user (&input, unformat_line, &line))
1031 /* unfortunatelly DPDK polutes log with this error messages
1032 * even when we pass --in-memory which means no secondary process */
1033 if (strstr ((char *) line, "WARNING! Base virtual address hint"))
1035 else if (strstr ((char *) line, "This may cause issues with mapping "
1036 "memory into secondary processes"))
1040 dpdk_log_notice ("%v", line);
1044 unformat_free (&input);
1048 static clib_error_t *
1049 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1051 dpdk_main_t *dm = &dpdk_main;
1052 clib_error_t *error = 0;
1053 dpdk_config_main_t *conf = &dpdk_config_main;
1054 vlib_thread_main_t *tm = vlib_get_thread_main ();
1055 dpdk_device_config_t *devconf;
1056 vlib_pci_addr_t pci_addr = { 0 };
1057 vlib_vmbus_addr_t vmbus_addr = { 0 };
1058 unformat_input_t sub_input;
1059 uword default_hugepage_sz, x;
1062 int num_whitelisted = 0;
1063 int eal_no_hugetlb = 0;
1068 u8 *huge_dir_path = 0;
1069 u32 vendor, device, domain, bus, func;
1072 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1074 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1075 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1076 sizeof (vlib_vmbus_addr_t));
1078 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1080 /* Prime the pump */
1081 if (unformat (input, "no-hugetlb"))
1083 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1086 else if (unformat (input, "telemetry"))
1087 conf->enable_telemetry = 1;
1089 else if (unformat (input, "enable-tcp-udp-checksum"))
1091 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1092 if (unformat (input, "enable-outer-checksum-offload"))
1093 dm->default_port_conf.enable_outer_checksum_offload = 1;
1095 else if (unformat (input, "no-tx-checksum-offload"))
1096 dm->default_port_conf.disable_tx_checksum_offload = 1;
1098 else if (unformat (input, "decimal-interface-names"))
1099 conf->interface_name_format_decimal = 1;
1101 else if (unformat (input, "no-multi-seg"))
1102 dm->default_port_conf.disable_multi_seg = 1;
1103 else if (unformat (input, "enable-lro"))
1104 dm->default_port_conf.enable_lro = 1;
1105 else if (unformat (input, "max-simd-bitwidth %U",
1106 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1108 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1112 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1119 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1120 unformat_vlib_cli_sub_input, &sub_input))
1122 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1130 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1133 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1140 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1141 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1143 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1151 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1155 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1162 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1164 else if (unformat (input, "socket-mem %s", &socket_mem))
1166 else if (unformat (input, "no-pci"))
1169 tmp = format (0, "--no-pci%c", 0);
1170 vec_add1 (conf->eal_init_args, tmp);
1172 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1175 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1179 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1181 tmp = format (0, "-b%c", 0);
1182 vec_add1 (conf->eal_init_args, tmp);
1184 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1185 vec_add1 (conf->eal_init_args, tmp);
1187 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1189 u32 blacklist_entry;
1190 if (vendor > 0xFFFF)
1191 return clib_error_return (0, "blacklist PCI vendor out of range");
1192 if (device > 0xFFFF)
1193 return clib_error_return (0, "blacklist PCI device out of range");
1194 blacklist_entry = (vendor << 16) | (device & 0xffff);
1195 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1198 else if (unformat (input, "no-vmbus"))
1201 tmp = format (0, "--no-vmbus%c", 0);
1202 vec_add1 (conf->eal_init_args, tmp);
1206 else if (unformat(input, #a)) \
1208 tmp = format (0, "--%s%c", #a, 0); \
1209 vec_add1 (conf->eal_init_args, tmp); \
1211 foreach_eal_double_hyphen_predicate_arg
1214 else if (unformat(input, #a " %s", &s)) \
1216 if (!strncmp(#a, "file-prefix", 11)) \
1218 tmp = format (0, "--%s%c", #a, 0); \
1219 vec_add1 (conf->eal_init_args, tmp); \
1221 if (!strncmp(#a, "vdev", 4)) \
1222 if (strstr((char*)s, "af_packet")) \
1223 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1224 vec_add1 (conf->eal_init_args, s); \
1226 foreach_eal_double_hyphen_arg
1229 else if (unformat(input, #a " %s", &s)) \
1231 tmp = format (0, "-%s%c", #b, 0); \
1232 vec_add1 (conf->eal_init_args, tmp); \
1234 vec_add1 (conf->eal_init_args, s); \
1236 foreach_eal_single_hyphen_arg
1238 else if (unformat (input, "default"))
1241 else if (unformat_skip_white_space (input))
1245 error = clib_error_return (0, "unknown input `%U'",
1246 format_unformat_error, input);
1251 if (!conf->uio_driver_name)
1252 conf->uio_driver_name = format (0, "auto%c", 0);
1254 if (eal_no_hugetlb == 0)
1256 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1258 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1261 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1265 /* preallocate at least 16MB of hugepages per socket,
1266 if more is needed it is up to consumer to preallocate more */
1267 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1268 n_pages /= default_hugepage_sz;
1270 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1271 clib_error_report (e);
1276 /* on/off dpdk's telemetry thread */
1277 if (conf->enable_telemetry == 0)
1279 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1284 tmp = format (0, "--file-prefix%c", 0);
1285 vec_add1 (conf->eal_init_args, tmp);
1286 tmp = format (0, "vpp%c", 0);
1287 vec_add1 (conf->eal_init_args, tmp);
1293 if (no_pci == 0 && geteuid () == 0)
1294 dpdk_bind_devices_to_uio (conf);
1296 if (no_vmbus == 0 && geteuid () == 0)
1297 dpdk_bind_vmbus_devices_to_uio (conf);
1300 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1301 devconf->x = conf->default_devconf.x ;
1303 pool_foreach (devconf, conf->dev_confs) {
1305 /* default per-device config items */
1306 foreach_dpdk_device_config_item
1308 /* copy tso config from default device */
1311 /* copy tso config from default device */
1314 /* copy rss_queues config from default device */
1317 /* add DPDK EAL whitelist/blacklist entry */
1318 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1319 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1321 tmp = format (0, "-a%c", 0);
1322 vec_add1 (conf->eal_init_args, tmp);
1323 if (devconf->devargs)
1325 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1326 &devconf->pci_addr, devconf->devargs, 0);
1330 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1332 vec_add1 (conf->eal_init_args, tmp);
1334 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1335 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1337 tmp = format (0, "-b%c", 0);
1338 vec_add1 (conf->eal_init_args, tmp);
1339 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1340 vec_add1 (conf->eal_init_args, tmp);
1347 clib_warning ("socket-mem argument is deprecated");
1349 /* NULL terminate the "argv" vector, in case of stupidity */
1350 vec_add1 (conf->eal_init_args, 0);
1351 _vec_len (conf->eal_init_args) -= 1;
1353 /* Set up DPDK eal and packet mbuf pool early. */
1355 int log_fds[2] = { 0 };
1356 if (pipe (log_fds) == 0)
1358 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1360 FILE *f = fdopen (log_fds[1], "a");
1361 if (f && rte_openlog_stream (f) == 0)
1363 clib_file_t t = { 0 };
1364 t.read_function = dpdk_log_read_ready;
1365 t.file_descriptor = log_fds[0];
1366 t.description = format (0, "DPDK logging pipe");
1367 clib_file_add (&file_main, &t);
1377 vm = vlib_get_main ();
1379 /* make copy of args as rte_eal_init tends to mess up with arg array */
1380 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1381 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1382 conf->eal_init_args[i]);
1384 vec_terminate_c_string (conf->eal_init_args_str);
1386 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1387 ret = rte_eal_init (vec_len (conf->eal_init_args),
1388 (char **) conf->eal_init_args);
1390 /* enable the AVX-512 vPMDs in DPDK */
1391 if (clib_cpu_supports_avx512_bitalg () &&
1392 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1393 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1394 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1395 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1396 DPDK_MAX_SIMD_BITWIDTH_256 ?
1400 /* lazy umount hugepages */
1401 umount2 ((char *) huge_dir_path, MNT_DETACH);
1402 rmdir ((char *) huge_dir_path);
1403 vec_free (huge_dir_path);
1406 return clib_error_return (0, "rte_eal_init returned %d", ret);
1408 /* main thread 1st */
1409 if ((error = dpdk_buffer_pools_create (vm)))
1416 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1419 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1421 vnet_main_t *vnm = vnet_get_main ();
1422 struct rte_eth_link prev_link = xd->link;
1424 u8 hw_flags_chg = 0;
1426 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1427 clib_memset (&xd->link, 0, sizeof (xd->link));
1428 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1430 if (LINK_STATE_ELOGS)
1432 ELOG_TYPE_DECLARE (e) =
1435 "update-link-state: sw_if_index %d, admin_up %d,"
1436 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1445 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1446 ed->sw_if_index = xd->sw_if_index;
1447 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1448 ed->old_link_state = (u8)
1449 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1450 ed->new_link_state = (u8) xd->link.link_status;
1453 if ((xd->link.link_duplex != prev_link.link_duplex))
1456 switch (xd->link.link_duplex)
1458 case ETH_LINK_HALF_DUPLEX:
1459 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1461 case ETH_LINK_FULL_DUPLEX:
1462 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1468 if (xd->link.link_speed != prev_link.link_speed)
1469 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1470 xd->link.link_speed * 1000);
1472 if (xd->link.link_status != prev_link.link_status)
1476 if (xd->link.link_status)
1477 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1482 if (LINK_STATE_ELOGS)
1484 ELOG_TYPE_DECLARE (e) =
1487 "update-link-state: sw_if_index %d, new flags %d",.format_args
1495 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1496 ed->sw_if_index = xd->sw_if_index;
1497 ed->flags = hw_flags;
1499 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1504 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1506 clib_error_t *error;
1507 dpdk_main_t *dm = &dpdk_main;
1509 vlib_thread_main_t *tm = vlib_get_thread_main ();
1511 error = dpdk_lib_init (dm);
1514 clib_error_report (error);
1516 if (dpdk_cryptodev_init)
1518 error = dpdk_cryptodev_init (vm);
1521 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1523 clib_error_free (error);
1527 tm->worker_thread_release = 1;
1529 f64 now = vlib_time_now (vm);
1530 vec_foreach (xd, dm->devices)
1532 dpdk_update_link_state (xd, now);
1538 * check each time through the loop in case intervals are changed
1540 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1541 dm->link_state_poll_interval : dm->stat_poll_interval;
1543 vlib_process_wait_for_event_or_clock (vm, min_wait);
1545 if (dm->admin_up_down_in_progress)
1546 /* skip the poll if an admin up down is in progress (on any interface) */
1549 vec_foreach (xd, dm->devices)
1551 f64 now = vlib_time_now (vm);
1552 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1553 dpdk_update_counters (xd, now);
1554 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1555 dpdk_update_link_state (xd, now);
1564 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1565 .function = dpdk_process,
1566 .type = VLIB_NODE_TYPE_PROCESS,
1567 .name = "dpdk-process",
1568 .process_log2_n_stack_bytes = 17,
1572 static clib_error_t *
1573 dpdk_init (vlib_main_t * vm)
1575 dpdk_main_t *dm = &dpdk_main;
1576 clib_error_t *error = 0;
1578 /* verify that structs are cacheline aligned */
1579 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1580 "Cache line marker must be 1st element in dpdk_device_t");
1581 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1582 CLIB_CACHE_LINE_BYTES,
1583 "Data in cache line 0 is bigger than cache line size");
1584 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1585 "Cache line marker must be 1st element in frame_queue_trace_t");
1587 dpdk_cli_reference ();
1589 dm->conf = &dpdk_config_main;
1591 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1593 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1594 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1596 dm->log_default = vlib_log_register_class ("dpdk", 0);
1597 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1602 VLIB_INIT_FUNCTION (dpdk_init);
1604 static clib_error_t *
1605 dpdk_worker_thread_init (vlib_main_t *vm)
1607 if (rte_thread_register () < 0)
1608 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1609 rte_strerror (rte_errno));
1613 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);