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;
459 xd->conf.enable_rxq_int = 1;
463 case VNET_DPDK_PMD_VMXNET3:
464 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
467 case VNET_DPDK_PMD_AF_PACKET:
468 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
471 case VNET_DPDK_PMD_VIRTIO_USER:
472 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
475 case VNET_DPDK_PMD_VHOST_ETHER:
476 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
479 case VNET_DPDK_PMD_LIOVF_ETHER:
480 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
483 case VNET_DPDK_PMD_FAILSAFE:
484 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
485 xd->conf.enable_lsc_int = 1;
488 case VNET_DPDK_PMD_NETVSC:
490 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
495 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
499 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
501 f64 now = vlib_time_now (vm);
503 rnd = (u32) (now * 1e6);
504 rnd = random_u32 (&rnd);
505 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
510 rte_eth_macaddr_get (port_id, (void *) addr);
512 xd->port_id = port_id;
513 xd->device_index = xd - dm->devices;
514 xd->per_interface_next_index = ~0;
516 /* assign interface to input thread */
519 eir.dev_class_index = dpdk_device_class.index;
520 eir.dev_instance = xd->device_index;
522 eir.cb.flag_change = dpdk_flag_change;
523 xd->hw_if_index = vnet_eth_register_interface (vnm, &eir);
525 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
526 xd->sw_if_index = sw->sw_if_index;
527 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
529 if (devconf->workers)
533 clib_bitmap_foreach (j, devconf->workers)
535 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
536 rxq->queue_index = vnet_hw_if_register_rx_queue (
537 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
541 for (q = 0; q < xd->conf.n_rx_queues; q++)
543 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
544 rxq->queue_index = vnet_hw_if_register_rx_queue (
545 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
549 /*Get vnet hardware interface */
550 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
554 hi->numa_node = xd->cpu_socket;
556 /* Indicate ability to support L3 DMAC filtering and
557 * initialize interface to L3 non-promisc mode */
558 ethernet_set_flags (vnm, xd->hw_if_index,
559 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
562 if (devconf->tso == DPDK_DEVICE_TSO_ON)
564 /*tcp_udp checksum must be enabled*/
565 if (xd->conf.enable_tcp_udp_checksum == 0)
566 dpdk_log_warn ("[%u] TCP/UDP checksum offload must be enabled",
568 else if ((di.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO) == 0)
569 dpdk_log_warn ("[%u] TSO not supported by device", xd->port_id);
571 xd->conf.enable_tso = 1;
574 dpdk_device_setup (xd);
576 /* rss queues should be configured after dpdk_device_setup() */
577 if ((hi != NULL) && (devconf->rss_queues != NULL))
579 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
580 devconf->rss_queues))
582 clib_warning ("%s: Failed to set rss queues", hi->name);
586 if (vec_len (xd->errors))
587 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
588 format_dpdk_device_name, port_id,
589 format_dpdk_device_errors, xd);
592 for (int i = 0; i < vec_len (dm->devices); i++)
593 vnet_hw_if_update_runtime_data (vnm, dm->devices[i].hw_if_index);
599 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
601 vlib_main_t *vm = vlib_get_main ();
604 int num_whitelisted = vec_len (conf->dev_confs);
605 vlib_pci_device_info_t *d = 0;
606 vlib_pci_addr_t *addr = 0, *addrs;
609 addrs = vlib_pci_get_all_dev_addrs ();
611 vec_foreach (addr, addrs)
613 dpdk_device_config_t * devconf = 0;
614 vec_reset_length (pci_addr);
615 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
618 vlib_pci_free_device_info (d);
621 d = vlib_pci_get_device_info (vm, addr, &error);
624 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
625 clib_error_free (error);
629 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
634 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
642 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
645 /* Enforce Device blacklist by vendor and device */
646 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
649 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
650 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
651 if (d->vendor_id == vendor && d->device_id == device)
654 * Expected case: device isn't whitelisted,
659 /* Device is blacklisted */
660 pool_get (conf->dev_confs, devconf);
661 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
662 devconf - conf->dev_confs);
663 devconf->pci_addr.as_u32 = addr->as_u32;
664 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
665 devconf->is_blacklisted = 1;
668 else /* explicitly whitelisted, ignore the device blacklist */
674 if (d->vendor_id == 0x1af4 &&
675 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
676 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
679 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
682 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
683 * the default is to put it in the blacklist.
687 pool_get (conf->dev_confs, devconf);
688 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
689 devconf - conf->dev_confs);
690 devconf->pci_addr.as_u32 = addr->as_u32;
691 devconf->is_blacklisted = 1;
694 /* all Intel network devices */
695 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
697 /* all Intel QAT devices VFs */
698 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
699 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
700 d->device_id == 0x37c9 || d->device_id == 0x6f55))
703 else if (d->vendor_id == 0x1137 &&
704 (d->device_id == 0x0043 || d->device_id == 0x0071))
707 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
709 /* Amazon Elastic Network Adapter */
710 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
712 /* Cavium Network Adapter */
713 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
715 /* Cavium FastlinQ QL41000 Series */
716 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
718 /* Mellanox CX3, CX3VF */
719 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
723 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
724 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
728 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
729 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
733 /* Broadcom NetXtreme S, and E series only */
734 else if (d->vendor_id == 0x14e4 &&
735 ((d->device_id >= 0x16c0 &&
736 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
737 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
738 d->device_id != 0x16fd && d->device_id != 0x16fe &&
739 d->device_id != 0x170d && d->device_id != 0x170c &&
740 d->device_id != 0x170e && d->device_id != 0x1712 &&
741 d->device_id != 0x1713) ||
742 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
743 d->device_id == 0x1614 || d->device_id == 0x1606 ||
744 d->device_id == 0x1609 || d->device_id == 0x1614)))
748 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
749 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
754 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
760 pool_get (conf->dev_confs, devconf);
761 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
762 devconf - conf->dev_confs);
763 devconf->pci_addr.as_u32 = addr->as_u32;
765 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
766 devconf->is_blacklisted = 1;
767 clib_error_report (error);
772 vlib_pci_free_device_info (d);
776 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
779 vlib_vmbus_addr_t *addrs, *addr = 0;
780 int num_whitelisted = vec_len (conf->dev_confs);
783 addrs = vlib_vmbus_get_all_dev_addrs ();
786 vec_foreach (addr, addrs)
788 dpdk_device_config_t *devconf = 0;
792 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
795 /* No devices blacklisted, but have whitelisted. blacklist all
797 pool_get (conf->dev_confs, devconf);
798 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
799 devconf - conf->dev_confs, 0);
800 devconf->vmbus_addr = *addr;
801 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
802 devconf->is_blacklisted = 1;
807 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
810 /* Enforce Device blacklist by vmbus_addr */
811 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
813 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
814 vlib_vmbus_addr_t *a2 = addr;
815 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
819 /* Device not whitelisted */
820 pool_get (conf->dev_confs, devconf);
821 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
822 devconf - conf->dev_confs, 0);
823 devconf->vmbus_addr = *addr;
824 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
825 devconf->is_blacklisted = 1;
835 error = vlib_vmbus_bind_to_uio (addr);
840 pool_get (conf->dev_confs, devconf);
841 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
842 devconf - conf->dev_confs, 0);
843 devconf->vmbus_addr = *addr;
845 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
846 devconf->is_blacklisted = 1;
847 clib_error_report (error);
854 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
856 uword *max_simd_bitwidth = va_arg (*va, uword *);
858 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
860 if (!unformat (input, "%u", max_simd_bitwidth))
863 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
864 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
872 static clib_error_t *
873 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
874 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
877 clib_error_t *error = 0;
879 dpdk_device_config_t *devconf = 0;
880 unformat_input_t sub_input;
884 devconf = &conf->default_devconf;
886 else if (addr_type == VNET_DEV_ADDR_PCI)
888 p = hash_get (conf->device_config_index_by_pci_addr,
889 ((vlib_pci_addr_t *) (addr))->as_u32);
893 pool_get (conf->dev_confs, devconf);
894 hash_set (conf->device_config_index_by_pci_addr,
895 ((vlib_pci_addr_t *) (addr))->as_u32,
896 devconf - conf->dev_confs);
899 return clib_error_return (0,
900 "duplicate configuration for PCI address %U",
901 format_vlib_pci_addr, addr);
903 else if (addr_type == VNET_DEV_ADDR_VMBUS)
905 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
906 (vlib_vmbus_addr_t *) (addr));
910 pool_get (conf->dev_confs, devconf);
911 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
912 devconf - conf->dev_confs, 0);
915 return clib_error_return (
916 0, "duplicate configuration for VMBUS address %U",
917 format_vlib_vmbus_addr, addr);
920 if (addr_type == VNET_DEV_ADDR_PCI)
922 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
923 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
924 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
926 else if (addr_type == VNET_DEV_ADDR_VMBUS)
928 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
929 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
930 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
936 unformat_skip_white_space (input);
937 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
939 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
941 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
943 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
945 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
947 else if (unformat (input, "name %s", &devconf->name))
949 else if (unformat (input, "workers %U", unformat_bitmap_list,
954 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
956 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
960 else if (unformat (input, "tso on"))
962 devconf->tso = DPDK_DEVICE_TSO_ON;
964 else if (unformat (input, "tso off"))
966 devconf->tso = DPDK_DEVICE_TSO_OFF;
968 else if (unformat (input, "devargs %s", &devconf->devargs))
970 else if (unformat (input, "rss-queues %U",
971 unformat_bitmap_list, &devconf->rss_queues))
973 else if (unformat (input, "max-lro-pkt-size %u",
974 &devconf->max_lro_pkt_size))
978 error = clib_error_return (0, "unknown input `%U'",
979 format_unformat_error, input);
987 if (devconf->workers && devconf->num_rx_queues == 0)
988 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
989 else if (devconf->workers &&
990 clib_bitmap_count_set_bits (devconf->workers) !=
991 devconf->num_rx_queues)
992 error = clib_error_return (0,
993 "%U: number of worker threads must be "
994 "equal to number of rx queues",
995 format_vlib_pci_addr, addr);
1000 static clib_error_t *
1001 dpdk_log_read_ready (clib_file_t * uf)
1003 unformat_input_t input;
1010 uword len = vec_len (s);
1011 vec_resize (s, len + n_try);
1013 n = read (uf->file_descriptor, s + len, n_try);
1014 if (n < 0 && errno != EAGAIN)
1015 return clib_error_return_unix (0, "read");
1016 _vec_len (s) = len + (n < 0 ? 0 : n);
1019 unformat_init_vector (&input, s);
1021 while (unformat_user (&input, unformat_line, &line))
1026 /* unfortunatelly DPDK polutes log with this error messages
1027 * even when we pass --in-memory which means no secondary process */
1028 if (strstr ((char *) line, "WARNING! Base virtual address hint"))
1030 else if (strstr ((char *) line, "This may cause issues with mapping "
1031 "memory into secondary processes"))
1035 dpdk_log_notice ("%v", line);
1039 unformat_free (&input);
1043 static clib_error_t *
1044 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1046 dpdk_main_t *dm = &dpdk_main;
1047 clib_error_t *error = 0;
1048 dpdk_config_main_t *conf = &dpdk_config_main;
1049 vlib_thread_main_t *tm = vlib_get_thread_main ();
1050 dpdk_device_config_t *devconf;
1051 vlib_pci_addr_t pci_addr = { 0 };
1052 vlib_vmbus_addr_t vmbus_addr = { 0 };
1053 unformat_input_t sub_input;
1054 uword default_hugepage_sz, x;
1057 int num_whitelisted = 0;
1058 int eal_no_hugetlb = 0;
1063 u8 *huge_dir_path = 0;
1064 u32 vendor, device, domain, bus, func;
1067 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1069 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1070 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1071 sizeof (vlib_vmbus_addr_t));
1073 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1075 /* Prime the pump */
1076 if (unformat (input, "no-hugetlb"))
1078 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1081 else if (unformat (input, "telemetry"))
1082 conf->enable_telemetry = 1;
1084 else if (unformat (input, "enable-tcp-udp-checksum"))
1086 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1087 if (unformat (input, "enable-outer-checksum-offload"))
1088 dm->default_port_conf.enable_outer_checksum_offload = 1;
1090 else if (unformat (input, "no-tx-checksum-offload"))
1091 dm->default_port_conf.disable_tx_checksum_offload = 1;
1093 else if (unformat (input, "decimal-interface-names"))
1094 conf->interface_name_format_decimal = 1;
1096 else if (unformat (input, "no-multi-seg"))
1097 dm->default_port_conf.disable_multi_seg = 1;
1098 else if (unformat (input, "enable-lro"))
1099 dm->default_port_conf.enable_lro = 1;
1100 else if (unformat (input, "max-simd-bitwidth %U",
1101 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1103 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1107 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1114 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1115 unformat_vlib_cli_sub_input, &sub_input))
1117 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1125 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1128 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1135 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1136 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1138 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1146 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1150 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1157 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1159 else if (unformat (input, "socket-mem %s", &socket_mem))
1161 else if (unformat (input, "no-pci"))
1164 tmp = format (0, "--no-pci%c", 0);
1165 vec_add1 (conf->eal_init_args, tmp);
1167 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1170 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1174 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1176 tmp = format (0, "-b%c", 0);
1177 vec_add1 (conf->eal_init_args, tmp);
1179 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1180 vec_add1 (conf->eal_init_args, tmp);
1182 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1184 u32 blacklist_entry;
1185 if (vendor > 0xFFFF)
1186 return clib_error_return (0, "blacklist PCI vendor out of range");
1187 if (device > 0xFFFF)
1188 return clib_error_return (0, "blacklist PCI device out of range");
1189 blacklist_entry = (vendor << 16) | (device & 0xffff);
1190 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1193 else if (unformat (input, "no-vmbus"))
1196 tmp = format (0, "--no-vmbus%c", 0);
1197 vec_add1 (conf->eal_init_args, tmp);
1201 else if (unformat(input, #a)) \
1203 tmp = format (0, "--%s%c", #a, 0); \
1204 vec_add1 (conf->eal_init_args, tmp); \
1206 foreach_eal_double_hyphen_predicate_arg
1209 else if (unformat(input, #a " %s", &s)) \
1211 if (!strncmp(#a, "file-prefix", 11)) \
1213 tmp = format (0, "--%s%c", #a, 0); \
1214 vec_add1 (conf->eal_init_args, tmp); \
1216 if (!strncmp(#a, "vdev", 4)) \
1217 if (strstr((char*)s, "af_packet")) \
1218 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1219 vec_add1 (conf->eal_init_args, s); \
1221 foreach_eal_double_hyphen_arg
1224 else if (unformat(input, #a " %s", &s)) \
1226 tmp = format (0, "-%s%c", #b, 0); \
1227 vec_add1 (conf->eal_init_args, tmp); \
1229 vec_add1 (conf->eal_init_args, s); \
1231 foreach_eal_single_hyphen_arg
1233 else if (unformat (input, "default"))
1236 else if (unformat_skip_white_space (input))
1240 error = clib_error_return (0, "unknown input `%U'",
1241 format_unformat_error, input);
1246 if (!conf->uio_driver_name)
1247 conf->uio_driver_name = format (0, "auto%c", 0);
1249 if (eal_no_hugetlb == 0)
1251 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1253 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1256 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1260 /* preallocate at least 16MB of hugepages per socket,
1261 if more is needed it is up to consumer to preallocate more */
1262 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1263 n_pages /= default_hugepage_sz;
1265 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1266 clib_error_report (e);
1271 /* on/off dpdk's telemetry thread */
1272 if (conf->enable_telemetry == 0)
1274 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1279 tmp = format (0, "--file-prefix%c", 0);
1280 vec_add1 (conf->eal_init_args, tmp);
1281 tmp = format (0, "vpp%c", 0);
1282 vec_add1 (conf->eal_init_args, tmp);
1288 if (no_pci == 0 && geteuid () == 0)
1289 dpdk_bind_devices_to_uio (conf);
1291 if (no_vmbus == 0 && geteuid () == 0)
1292 dpdk_bind_vmbus_devices_to_uio (conf);
1295 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1296 devconf->x = conf->default_devconf.x ;
1298 pool_foreach (devconf, conf->dev_confs) {
1300 /* default per-device config items */
1301 foreach_dpdk_device_config_item
1303 /* copy tso config from default device */
1306 /* copy tso config from default device */
1309 /* copy rss_queues config from default device */
1312 /* add DPDK EAL whitelist/blacklist entry */
1313 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1314 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1316 tmp = format (0, "-a%c", 0);
1317 vec_add1 (conf->eal_init_args, tmp);
1318 if (devconf->devargs)
1320 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1321 &devconf->pci_addr, devconf->devargs, 0);
1325 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1327 vec_add1 (conf->eal_init_args, tmp);
1329 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1330 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1332 tmp = format (0, "-b%c", 0);
1333 vec_add1 (conf->eal_init_args, tmp);
1334 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1335 vec_add1 (conf->eal_init_args, tmp);
1342 clib_warning ("socket-mem argument is deprecated");
1344 /* NULL terminate the "argv" vector, in case of stupidity */
1345 vec_add1 (conf->eal_init_args, 0);
1346 _vec_len (conf->eal_init_args) -= 1;
1348 /* Set up DPDK eal and packet mbuf pool early. */
1350 int log_fds[2] = { 0 };
1351 if (pipe (log_fds) == 0)
1353 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1355 FILE *f = fdopen (log_fds[1], "a");
1356 if (f && rte_openlog_stream (f) == 0)
1358 clib_file_t t = { 0 };
1359 t.read_function = dpdk_log_read_ready;
1360 t.file_descriptor = log_fds[0];
1361 t.description = format (0, "DPDK logging pipe");
1362 clib_file_add (&file_main, &t);
1372 vm = vlib_get_main ();
1374 /* make copy of args as rte_eal_init tends to mess up with arg array */
1375 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1376 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1377 conf->eal_init_args[i]);
1379 vec_terminate_c_string (conf->eal_init_args_str);
1381 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1382 ret = rte_eal_init (vec_len (conf->eal_init_args),
1383 (char **) conf->eal_init_args);
1385 /* enable the AVX-512 vPMDs in DPDK */
1386 if (clib_cpu_supports_avx512_bitalg () &&
1387 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1388 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1389 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1390 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1391 DPDK_MAX_SIMD_BITWIDTH_256 ?
1395 /* lazy umount hugepages */
1396 umount2 ((char *) huge_dir_path, MNT_DETACH);
1397 rmdir ((char *) huge_dir_path);
1398 vec_free (huge_dir_path);
1401 return clib_error_return (0, "rte_eal_init returned %d", ret);
1403 /* main thread 1st */
1404 if ((error = dpdk_buffer_pools_create (vm)))
1411 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1414 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1416 vnet_main_t *vnm = vnet_get_main ();
1417 struct rte_eth_link prev_link = xd->link;
1419 u8 hw_flags_chg = 0;
1421 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1422 clib_memset (&xd->link, 0, sizeof (xd->link));
1423 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1425 if (LINK_STATE_ELOGS)
1427 ELOG_TYPE_DECLARE (e) =
1430 "update-link-state: sw_if_index %d, admin_up %d,"
1431 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1440 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1441 ed->sw_if_index = xd->sw_if_index;
1442 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1443 ed->old_link_state = (u8)
1444 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1445 ed->new_link_state = (u8) xd->link.link_status;
1448 if ((xd->link.link_duplex != prev_link.link_duplex))
1451 switch (xd->link.link_duplex)
1453 case ETH_LINK_HALF_DUPLEX:
1454 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1456 case ETH_LINK_FULL_DUPLEX:
1457 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1463 if (xd->link.link_speed != prev_link.link_speed)
1464 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1465 xd->link.link_speed * 1000);
1467 if (xd->link.link_status != prev_link.link_status)
1471 if (xd->link.link_status)
1472 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1477 if (LINK_STATE_ELOGS)
1479 ELOG_TYPE_DECLARE (e) =
1482 "update-link-state: sw_if_index %d, new flags %d",.format_args
1490 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1491 ed->sw_if_index = xd->sw_if_index;
1492 ed->flags = hw_flags;
1494 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1499 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1501 clib_error_t *error;
1502 dpdk_main_t *dm = &dpdk_main;
1504 vlib_thread_main_t *tm = vlib_get_thread_main ();
1506 error = dpdk_lib_init (dm);
1509 clib_error_report (error);
1511 if (dpdk_cryptodev_init)
1513 error = dpdk_cryptodev_init (vm);
1516 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1518 clib_error_free (error);
1522 tm->worker_thread_release = 1;
1524 f64 now = vlib_time_now (vm);
1525 vec_foreach (xd, dm->devices)
1527 dpdk_update_link_state (xd, now);
1533 * check each time through the loop in case intervals are changed
1535 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1536 dm->link_state_poll_interval : dm->stat_poll_interval;
1538 vlib_process_wait_for_event_or_clock (vm, min_wait);
1540 if (dm->admin_up_down_in_progress)
1541 /* skip the poll if an admin up down is in progress (on any interface) */
1544 vec_foreach (xd, dm->devices)
1546 f64 now = vlib_time_now (vm);
1547 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1548 dpdk_update_counters (xd, now);
1549 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1550 dpdk_update_link_state (xd, now);
1559 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1560 .function = dpdk_process,
1561 .type = VLIB_NODE_TYPE_PROCESS,
1562 .name = "dpdk-process",
1563 .process_log2_n_stack_bytes = 17,
1567 static clib_error_t *
1568 dpdk_init (vlib_main_t * vm)
1570 dpdk_main_t *dm = &dpdk_main;
1571 clib_error_t *error = 0;
1573 /* verify that structs are cacheline aligned */
1574 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1575 "Cache line marker must be 1st element in dpdk_device_t");
1576 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1577 CLIB_CACHE_LINE_BYTES,
1578 "Data in cache line 0 is bigger than cache line size");
1579 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1580 "Cache line marker must be 1st element in frame_queue_trace_t");
1582 dpdk_cli_reference ();
1584 dm->conf = &dpdk_config_main;
1586 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1588 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1589 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1591 dm->log_default = vlib_log_register_class ("dpdk", 0);
1592 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1597 VLIB_INIT_FUNCTION (dpdk_init);
1599 static clib_error_t *
1600 dpdk_worker_thread_init (vlib_main_t *vm)
1602 if (rte_thread_register () < 0)
1603 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1604 rte_strerror (rte_errno));
1608 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);