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 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
96 case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
97 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
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);
165 dpdk_enable_l4_csum_offload (dpdk_device_t * xd)
167 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
168 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
169 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
170 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
173 static clib_error_t *
174 dpdk_lib_init (dpdk_main_t * dm)
176 vnet_main_t *vnm = vnet_get_main ();
180 vlib_main_t *vm = vlib_get_main ();
181 vlib_thread_main_t *tm = vlib_get_thread_main ();
182 vnet_device_main_t *vdm = &vnet_device_main;
183 vnet_sw_interface_t *sw;
184 vnet_hw_interface_t *hi;
186 vlib_pci_addr_t last_pci_addr;
187 u32 last_pci_addr_port = 0;
188 u8 af_packet_instance_num = 0;
189 last_pci_addr.as_u32 = ~0;
191 nports = rte_eth_dev_count_avail ();
195 dpdk_log_notice ("DPDK drivers found no Ethernet devices...");
199 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
201 /* vlib_buffer_t template */
202 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
203 CLIB_CACHE_LINE_BYTES);
204 for (int i = 0; i < tm->n_vlib_mains; i++)
206 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
207 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
208 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
211 /* device config defaults */
212 dm->default_port_conf.n_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
213 dm->default_port_conf.n_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
214 dm->default_port_conf.n_rx_queues = 1;
215 dm->default_port_conf.n_tx_queues = tm->n_vlib_mains;
217 if ((clib_mem_get_default_hugepage_size () == 2 << 20) &&
218 check_l3cache () == 0)
219 dm->default_port_conf.n_rx_desc = dm->default_port_conf.n_tx_desc = 512;
221 RTE_ETH_FOREACH_DEV (port_id)
224 struct rte_eth_dev_info di;
225 struct rte_pci_device *pci_dev;
226 struct rte_vmbus_device *vmbus_dev;
227 dpdk_portid_t next_port_id;
228 dpdk_device_config_t *devconf = 0;
229 vlib_pci_addr_t pci_addr;
230 vlib_vmbus_addr_t vmbus_addr;
233 if (!rte_eth_dev_is_valid_port (port_id))
236 rte_eth_dev_info_get (port_id, &di);
240 dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
245 pci_dev = dpdk_get_pci_device (&di);
249 pci_addr.domain = pci_dev->addr.domain;
250 pci_addr.bus = pci_dev->addr.bus;
251 pci_addr.slot = pci_dev->addr.devid;
252 pci_addr.function = pci_dev->addr.function;
253 p = hash_get (dm->conf->device_config_index_by_pci_addr,
257 vmbus_dev = dpdk_get_vmbus_device (&di);
261 unformat_input_t input_vmbus;
262 unformat_init_string (&input_vmbus, di.device->name,
263 strlen (di.device->name));
264 if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr,
267 p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
270 unformat_free (&input_vmbus);
275 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
276 /* If device is blacklisted, we should skip it */
277 if (devconf->is_blacklisted)
283 devconf = &dm->conf->default_devconf;
285 /* Create vnet interface */
286 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
287 xd->cpu_socket = (i8) rte_eth_dev_socket_id (port_id);
288 clib_memcpy (&xd->conf, &dm->default_port_conf,
289 sizeof (dpdk_port_conf_t));
293 xd->name = devconf->name;
296 /* Handle representor devices that share the same PCI ID */
297 if (di.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
299 if (di.switch_info.port_id != (uint16_t) -1)
300 xd->interface_name_suffix =
301 format (0, "%d", di.switch_info.port_id);
303 /* Handle interface naming for devices with multiple ports sharing same
305 else if (pci_dev && ((next_port_id = rte_eth_find_next (port_id + 1)) !=
308 struct rte_eth_dev_info next_di = { 0 };
309 struct rte_pci_device *next_pci_dev;
310 rte_eth_dev_info_get (next_port_id, &next_di);
311 next_pci_dev = next_di.device ? RTE_DEV_TO_PCI (next_di.device) : 0;
312 if (next_pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
313 memcmp (&pci_dev->addr, &next_pci_dev->addr,
314 sizeof (struct rte_pci_addr)) == 0)
316 xd->interface_name_suffix = format (0, "0");
317 last_pci_addr.as_u32 = pci_addr.as_u32;
318 last_pci_addr_port = port_id;
320 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
322 xd->interface_name_suffix =
323 format (0, "%u", port_id - last_pci_addr_port);
327 last_pci_addr.as_u32 = ~0;
331 last_pci_addr.as_u32 = ~0;
333 if (di.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
335 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
336 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
339 if (xd->conf.enable_tcp_udp_checksum)
341 if (di.rx_offload_capa & DEV_RX_OFFLOAD_UDP_CKSUM)
342 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_UDP_CKSUM;
343 if (di.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
344 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_CKSUM;
345 if (di.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
346 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
348 if (xd->conf.enable_outer_checksum_offload)
350 if (di.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
351 xd->port_conf.txmode.offloads |=
352 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
353 if (di.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
354 xd->port_conf.txmode.offloads |=
355 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM;
359 if (xd->conf.enable_lro)
361 if (di.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
363 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_LRO;
364 if (devconf->max_lro_pkt_size)
365 xd->port_conf.rxmode.max_lro_pkt_size =
366 devconf->max_lro_pkt_size;
368 xd->port_conf.rxmode.max_lro_pkt_size =
369 DPDK_MAX_LRO_SIZE_DEFAULT;
372 if (xd->conf.no_multi_seg)
374 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
375 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
376 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
380 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
381 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
382 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
383 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
386 xd->conf.n_tx_queues = clib_min (di.max_tx_queues, xd->conf.n_tx_queues);
388 if (devconf->num_tx_queues > 0 &&
389 devconf->num_tx_queues < xd->conf.n_tx_queues)
390 xd->conf.n_tx_queues = devconf->num_tx_queues;
392 if (devconf->num_rx_queues > 1 &&
393 di.max_rx_queues >= devconf->num_rx_queues)
395 xd->conf.n_rx_queues = devconf->num_rx_queues;
396 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
397 if (devconf->rss_fn == 0)
398 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
399 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
402 u64 unsupported_bits;
403 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
404 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
405 unsupported_bits &= ~di.flow_type_rss_offloads;
406 if (unsupported_bits)
407 dpdk_log_warn ("Unsupported RSS hash functions: %U",
408 format_dpdk_rss_hf_name, unsupported_bits);
410 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
411 di.flow_type_rss_offloads;
414 if (devconf->num_rx_desc)
415 xd->conf.n_rx_desc = devconf->num_rx_desc;
417 if (devconf->num_tx_desc)
418 xd->conf.n_tx_desc = devconf->num_tx_desc;
420 vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
421 CLIB_CACHE_LINE_BYTES);
423 /* workaround for drivers not setting driver_name */
424 if ((!di.driver_name) && (pci_dev))
425 di.driver_name = pci_dev->driver->driver.name;
427 ASSERT (di.driver_name);
433 else if (di.driver_name && !strcmp (di.driver_name, s)) xd->pmd = \
439 else xd->pmd = VNET_DPDK_PMD_UNKNOWN;
441 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
445 /* Drivers with valid speed_capa set */
446 case VNET_DPDK_PMD_I40E:
447 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
449 case VNET_DPDK_PMD_E1000EM:
450 case VNET_DPDK_PMD_IGB:
451 case VNET_DPDK_PMD_IGC:
452 case VNET_DPDK_PMD_IXGBE:
453 case VNET_DPDK_PMD_ICE:
454 xd->port_type = port_type_from_speed_capa (&di);
455 xd->supported_flow_actions =
456 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
457 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
458 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
459 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
461 if (xd->conf.no_tx_checksum_offload == 0)
463 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
464 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
465 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
466 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
469 xd->port_conf.intr_conf.rxq = 1;
471 case VNET_DPDK_PMD_MLX5:
472 if (xd->conf.no_tx_checksum_offload == 0)
474 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
475 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
476 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
477 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
479 xd->port_type = port_type_from_speed_capa (&di);
481 case VNET_DPDK_PMD_CXGBE:
482 case VNET_DPDK_PMD_MLX4:
483 case VNET_DPDK_PMD_QEDE:
484 case VNET_DPDK_PMD_BNXT:
485 xd->port_type = port_type_from_speed_capa (&di);
489 case VNET_DPDK_PMD_I40EVF:
490 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
492 case VNET_DPDK_PMD_IGBVF:
493 case VNET_DPDK_PMD_IXGBEVF:
494 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
495 if (xd->conf.no_tx_checksum_offload == 0)
497 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
498 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
499 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
500 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
502 /* DPDK bug in multiqueue... */
503 /* xd->port_conf.intr_conf.rxq = 1; */
507 case VNET_DPDK_PMD_IAVF:
508 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
509 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
510 xd->supported_flow_actions =
511 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
512 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
513 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
514 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
516 if (xd->conf.no_tx_checksum_offload == 0)
518 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
519 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
520 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
521 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
523 /* DPDK bug in multiqueue... */
524 /* xd->port_conf.intr_conf.rxq = 1; */
527 case VNET_DPDK_PMD_THUNDERX:
528 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
530 if (xd->conf.no_tx_checksum_offload == 0)
532 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
533 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
534 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
538 case VNET_DPDK_PMD_ENA:
539 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
540 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
541 xd->port_conf.intr_conf.rxq = 1;
542 if (xd->conf.no_tx_checksum_offload == 0)
544 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
545 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
546 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
547 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
551 case VNET_DPDK_PMD_DPAA2:
552 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
556 case VNET_DPDK_PMD_ENIC:
558 xd->port_type = port_type_from_speed_capa (&di);
559 if (xd->conf.enable_tcp_udp_checksum)
560 dpdk_enable_l4_csum_offload (xd);
564 /* Intel Red Rock Canyon */
565 case VNET_DPDK_PMD_FM10K:
566 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
570 case VNET_DPDK_PMD_VIRTIO:
571 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
572 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
573 xd->conf.n_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
574 xd->conf.n_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
576 * Enable use of RX interrupts if supported.
578 * There is no device flag or capability for this, so
579 * use the same check that the virtio driver does.
581 if (pci_dev && rte_intr_cap_multiple (&pci_dev->intr_handle))
582 xd->port_conf.intr_conf.rxq = 1;
586 case VNET_DPDK_PMD_VMXNET3:
587 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
588 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
589 /* TCP csum offload not working although udp might work. Left
590 * disabled for now */
591 if (0 && (xd->conf.no_tx_checksum_offload == 0))
593 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
594 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
595 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
596 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
600 case VNET_DPDK_PMD_AF_PACKET:
601 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
602 xd->af_packet_instance_num = af_packet_instance_num++;
605 case VNET_DPDK_PMD_VIRTIO_USER:
606 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
609 case VNET_DPDK_PMD_VHOST_ETHER:
610 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
613 case VNET_DPDK_PMD_LIOVF_ETHER:
614 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
617 case VNET_DPDK_PMD_FAILSAFE:
618 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
619 xd->port_conf.intr_conf.lsc = 1;
622 case VNET_DPDK_PMD_NETVSC:
624 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
629 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
633 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
635 f64 now = vlib_time_now (vm);
637 rnd = (u32) (now * 1e6);
638 rnd = random_u32 (&rnd);
639 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
644 rte_eth_macaddr_get (port_id, (void *) addr);
646 xd->port_id = port_id;
647 xd->device_index = xd - dm->devices;
648 xd->per_interface_next_index = ~0;
650 /* assign interface to input thread */
653 error = ethernet_register_interface (
654 vnm, dpdk_device_class.index, xd->device_index,
655 /* ethernet address */ addr, &xd->hw_if_index, dpdk_flag_change);
659 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
660 xd->sw_if_index = sw->sw_if_index;
661 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
663 if (devconf->workers)
667 clib_bitmap_foreach (j, devconf->workers)
669 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
670 rxq->queue_index = vnet_hw_if_register_rx_queue (
671 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
675 for (q = 0; q < xd->conf.n_rx_queues; q++)
677 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
678 rxq->queue_index = vnet_hw_if_register_rx_queue (
679 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
682 vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
684 /*Get vnet hardware interface */
685 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
689 hi->numa_node = xd->cpu_socket;
691 /* Indicate ability to support L3 DMAC filtering and
692 * initialize interface to L3 non-promisc mode */
693 hi->caps |= VNET_HW_IF_CAP_MAC_FILTER;
694 ethernet_set_flags (vnm, xd->hw_if_index,
695 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
698 if (xd->conf.no_tx_checksum_offload == 0)
699 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
701 hi->caps |= VNET_HW_IF_CAP_TX_IP4_CKSUM |
702 VNET_HW_IF_CAP_TX_TCP_CKSUM |
703 VNET_HW_IF_CAP_TX_UDP_CKSUM;
704 if (xd->conf.enable_outer_checksum_offload)
706 hi->caps |= VNET_HW_IF_CAP_TX_IP4_OUTER_CKSUM |
707 VNET_HW_IF_CAP_TX_UDP_OUTER_CKSUM;
710 if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
712 /*tcp_udp checksum must be enabled*/
713 if ((xd->conf.enable_tcp_udp_checksum) &&
714 (hi->caps & VNET_HW_IF_CAP_TX_CKSUM))
716 hi->caps |= VNET_HW_IF_CAP_TCP_GSO;
717 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO;
719 if (xd->conf.enable_outer_checksum_offload &&
720 (di.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO))
722 xd->port_conf.txmode.offloads |=
723 DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
724 hi->caps |= VNET_HW_IF_CAP_VXLAN_TNL_GSO;
728 clib_warning ("%s: TCP/UDP checksum offload must be enabled",
732 dpdk_device_setup (xd);
734 /* rss queues should be configured after dpdk_device_setup() */
735 if ((hi != NULL) && (devconf->rss_queues != NULL))
737 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
738 devconf->rss_queues))
740 clib_warning ("%s: Failed to set rss queues", hi->name);
744 if (vec_len (xd->errors))
745 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
746 format_dpdk_device_name, port_id,
747 format_dpdk_device_errors, xd);
754 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
756 vlib_main_t *vm = vlib_get_main ();
759 int num_whitelisted = vec_len (conf->dev_confs);
760 vlib_pci_device_info_t *d = 0;
761 vlib_pci_addr_t *addr = 0, *addrs;
764 addrs = vlib_pci_get_all_dev_addrs ();
766 vec_foreach (addr, addrs)
768 dpdk_device_config_t * devconf = 0;
769 vec_reset_length (pci_addr);
770 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
773 vlib_pci_free_device_info (d);
776 d = vlib_pci_get_device_info (vm, addr, &error);
779 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
780 clib_error_free (error);
784 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
789 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
797 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
800 /* Enforce Device blacklist by vendor and device */
801 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
804 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
805 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
806 if (d->vendor_id == vendor && d->device_id == device)
809 * Expected case: device isn't whitelisted,
814 /* Device is blacklisted */
815 pool_get (conf->dev_confs, devconf);
816 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
817 devconf - conf->dev_confs);
818 devconf->pci_addr.as_u32 = addr->as_u32;
819 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
820 devconf->is_blacklisted = 1;
823 else /* explicitly whitelisted, ignore the device blacklist */
829 if (d->vendor_id == 0x1af4 &&
830 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
831 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
834 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
837 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
838 * the default is to put it in the blacklist.
842 pool_get (conf->dev_confs, devconf);
843 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
844 devconf - conf->dev_confs);
845 devconf->pci_addr.as_u32 = addr->as_u32;
846 devconf->is_blacklisted = 1;
849 /* all Intel network devices */
850 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
852 /* all Intel QAT devices VFs */
853 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
854 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
855 d->device_id == 0x37c9 || d->device_id == 0x6f55))
858 else if (d->vendor_id == 0x1137 &&
859 (d->device_id == 0x0043 || d->device_id == 0x0071))
862 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
864 /* Amazon Elastic Network Adapter */
865 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
867 /* Cavium Network Adapter */
868 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
870 /* Cavium FastlinQ QL41000 Series */
871 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
873 /* Mellanox CX3, CX3VF */
874 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
878 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
879 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
883 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
884 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
888 /* Broadcom NetXtreme S, and E series only */
889 else if (d->vendor_id == 0x14e4 &&
890 ((d->device_id >= 0x16c0 &&
891 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
892 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
893 d->device_id != 0x16fd && d->device_id != 0x16fe &&
894 d->device_id != 0x170d && d->device_id != 0x170c &&
895 d->device_id != 0x170e && d->device_id != 0x1712 &&
896 d->device_id != 0x1713) ||
897 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
898 d->device_id == 0x1614 || d->device_id == 0x1606 ||
899 d->device_id == 0x1609 || d->device_id == 0x1614)))
903 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
904 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
909 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
915 pool_get (conf->dev_confs, devconf);
916 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
917 devconf - conf->dev_confs);
918 devconf->pci_addr.as_u32 = addr->as_u32;
920 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
921 devconf->is_blacklisted = 1;
922 clib_error_report (error);
927 vlib_pci_free_device_info (d);
931 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
934 vlib_vmbus_addr_t *addrs, *addr = 0;
935 int num_whitelisted = vec_len (conf->dev_confs);
938 addrs = vlib_vmbus_get_all_dev_addrs ();
941 vec_foreach (addr, addrs)
943 dpdk_device_config_t *devconf = 0;
947 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
950 /* No devices blacklisted, but have whitelisted. blacklist all
952 pool_get (conf->dev_confs, devconf);
953 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
954 devconf - conf->dev_confs, 0);
955 devconf->vmbus_addr = *addr;
956 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
957 devconf->is_blacklisted = 1;
962 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
965 /* Enforce Device blacklist by vmbus_addr */
966 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
968 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
969 vlib_vmbus_addr_t *a2 = addr;
970 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
974 /* Device not whitelisted */
975 pool_get (conf->dev_confs, devconf);
976 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
977 devconf - conf->dev_confs, 0);
978 devconf->vmbus_addr = *addr;
979 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
980 devconf->is_blacklisted = 1;
990 error = vlib_vmbus_bind_to_uio (addr);
995 pool_get (conf->dev_confs, devconf);
996 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
997 devconf - conf->dev_confs, 0);
998 devconf->vmbus_addr = *addr;
1000 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1001 devconf->is_blacklisted = 1;
1002 clib_error_report (error);
1009 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
1011 uword *max_simd_bitwidth = va_arg (*va, uword *);
1013 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1015 if (!unformat (input, "%u", max_simd_bitwidth))
1018 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
1019 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
1027 static clib_error_t *
1028 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
1029 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
1032 clib_error_t *error = 0;
1034 dpdk_device_config_t *devconf = 0;
1035 unformat_input_t sub_input;
1039 devconf = &conf->default_devconf;
1041 else if (addr_type == VNET_DEV_ADDR_PCI)
1043 p = hash_get (conf->device_config_index_by_pci_addr,
1044 ((vlib_pci_addr_t *) (addr))->as_u32);
1048 pool_get (conf->dev_confs, devconf);
1049 hash_set (conf->device_config_index_by_pci_addr,
1050 ((vlib_pci_addr_t *) (addr))->as_u32,
1051 devconf - conf->dev_confs);
1054 return clib_error_return (0,
1055 "duplicate configuration for PCI address %U",
1056 format_vlib_pci_addr, addr);
1058 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1060 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
1061 (vlib_vmbus_addr_t *) (addr));
1065 pool_get (conf->dev_confs, devconf);
1066 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1067 devconf - conf->dev_confs, 0);
1070 return clib_error_return (
1071 0, "duplicate configuration for VMBUS address %U",
1072 format_vlib_vmbus_addr, addr);
1075 if (addr_type == VNET_DEV_ADDR_PCI)
1077 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
1078 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1079 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1081 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1083 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
1084 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1085 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1091 unformat_skip_white_space (input);
1092 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1094 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1096 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1098 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1100 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1102 else if (unformat (input, "name %s", &devconf->name))
1104 else if (unformat (input, "workers %U", unformat_bitmap_list,
1109 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1111 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1115 else if (unformat (input, "tso on"))
1117 devconf->tso = DPDK_DEVICE_TSO_ON;
1119 else if (unformat (input, "tso off"))
1121 devconf->tso = DPDK_DEVICE_TSO_OFF;
1123 else if (unformat (input, "devargs %s", &devconf->devargs))
1125 else if (unformat (input, "rss-queues %U",
1126 unformat_bitmap_list, &devconf->rss_queues))
1128 else if (unformat (input, "max-lro-pkt-size %u",
1129 &devconf->max_lro_pkt_size))
1133 error = clib_error_return (0, "unknown input `%U'",
1134 format_unformat_error, input);
1142 if (devconf->workers && devconf->num_rx_queues == 0)
1143 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1144 else if (devconf->workers &&
1145 clib_bitmap_count_set_bits (devconf->workers) !=
1146 devconf->num_rx_queues)
1147 error = clib_error_return (0,
1148 "%U: number of worker threads must be "
1149 "equal to number of rx queues",
1150 format_vlib_pci_addr, addr);
1155 static clib_error_t *
1156 dpdk_log_read_ready (clib_file_t * uf)
1158 unformat_input_t input;
1165 uword len = vec_len (s);
1166 vec_resize (s, len + n_try);
1168 n = read (uf->file_descriptor, s + len, n_try);
1169 if (n < 0 && errno != EAGAIN)
1170 return clib_error_return_unix (0, "read");
1171 _vec_len (s) = len + (n < 0 ? 0 : n);
1174 unformat_init_vector (&input, s);
1176 while (unformat_user (&input, unformat_line, &line))
1178 dpdk_log_notice ("%v", line);
1182 unformat_free (&input);
1186 static clib_error_t *
1187 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1189 dpdk_main_t *dm = &dpdk_main;
1190 clib_error_t *error = 0;
1191 dpdk_config_main_t *conf = &dpdk_config_main;
1192 vlib_thread_main_t *tm = vlib_get_thread_main ();
1193 dpdk_device_config_t *devconf;
1194 vlib_pci_addr_t pci_addr = { 0 };
1195 vlib_vmbus_addr_t vmbus_addr = { 0 };
1196 unformat_input_t sub_input;
1197 uword default_hugepage_sz, x;
1200 int num_whitelisted = 0;
1201 int eal_no_hugetlb = 0;
1206 u8 *huge_dir_path = 0;
1207 u32 vendor, device, domain, bus, func;
1210 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1212 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1213 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1214 sizeof (vlib_vmbus_addr_t));
1216 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1218 /* Prime the pump */
1219 if (unformat (input, "no-hugetlb"))
1221 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1224 else if (unformat (input, "telemetry"))
1225 conf->enable_telemetry = 1;
1227 else if (unformat (input, "enable-tcp-udp-checksum"))
1229 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1230 if (unformat (input, "enable-outer-checksum-offload"))
1231 dm->default_port_conf.enable_outer_checksum_offload = 1;
1233 else if (unformat (input, "no-tx-checksum-offload"))
1234 dm->default_port_conf.no_tx_checksum_offload = 1;
1236 else if (unformat (input, "decimal-interface-names"))
1237 conf->interface_name_format_decimal = 1;
1239 else if (unformat (input, "no-multi-seg"))
1240 dm->default_port_conf.no_multi_seg = 1;
1241 else if (unformat (input, "enable-lro"))
1242 dm->default_port_conf.enable_lro = 1;
1243 else if (unformat (input, "max-simd-bitwidth %U",
1244 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1246 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1250 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1257 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1258 unformat_vlib_cli_sub_input, &sub_input))
1260 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1268 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1271 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1278 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1279 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1281 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1289 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1293 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1300 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1302 else if (unformat (input, "socket-mem %s", &socket_mem))
1304 else if (unformat (input, "no-pci"))
1307 tmp = format (0, "--no-pci%c", 0);
1308 vec_add1 (conf->eal_init_args, tmp);
1310 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1313 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1317 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1319 tmp = format (0, "-b%c", 0);
1320 vec_add1 (conf->eal_init_args, tmp);
1322 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1323 vec_add1 (conf->eal_init_args, tmp);
1325 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1327 u32 blacklist_entry;
1328 if (vendor > 0xFFFF)
1329 return clib_error_return (0, "blacklist PCI vendor out of range");
1330 if (device > 0xFFFF)
1331 return clib_error_return (0, "blacklist PCI device out of range");
1332 blacklist_entry = (vendor << 16) | (device & 0xffff);
1333 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1336 else if (unformat (input, "no-vmbus"))
1339 tmp = format (0, "--no-vmbus%c", 0);
1340 vec_add1 (conf->eal_init_args, tmp);
1344 else if (unformat(input, #a)) \
1346 tmp = format (0, "--%s%c", #a, 0); \
1347 vec_add1 (conf->eal_init_args, tmp); \
1349 foreach_eal_double_hyphen_predicate_arg
1352 else if (unformat(input, #a " %s", &s)) \
1354 if (!strncmp(#a, "file-prefix", 11)) \
1356 tmp = format (0, "--%s%c", #a, 0); \
1357 vec_add1 (conf->eal_init_args, tmp); \
1359 if (!strncmp(#a, "vdev", 4)) \
1360 if (strstr((char*)s, "af_packet")) \
1361 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1362 vec_add1 (conf->eal_init_args, s); \
1364 foreach_eal_double_hyphen_arg
1367 else if (unformat(input, #a " %s", &s)) \
1369 tmp = format (0, "-%s%c", #b, 0); \
1370 vec_add1 (conf->eal_init_args, tmp); \
1372 vec_add1 (conf->eal_init_args, s); \
1374 foreach_eal_single_hyphen_arg
1376 else if (unformat (input, "default"))
1379 else if (unformat_skip_white_space (input))
1383 error = clib_error_return (0, "unknown input `%U'",
1384 format_unformat_error, input);
1389 if (!conf->uio_driver_name)
1390 conf->uio_driver_name = format (0, "auto%c", 0);
1392 if (eal_no_hugetlb == 0)
1394 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1396 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1399 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1403 /* preallocate at least 16MB of hugepages per socket,
1404 if more is needed it is up to consumer to preallocate more */
1405 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1406 n_pages /= default_hugepage_sz;
1408 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1409 clib_error_report (e);
1414 /* on/off dpdk's telemetry thread */
1415 if (conf->enable_telemetry == 0)
1417 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1422 tmp = format (0, "--file-prefix%c", 0);
1423 vec_add1 (conf->eal_init_args, tmp);
1424 tmp = format (0, "vpp%c", 0);
1425 vec_add1 (conf->eal_init_args, tmp);
1431 if (no_pci == 0 && geteuid () == 0)
1432 dpdk_bind_devices_to_uio (conf);
1434 if (no_vmbus == 0 && geteuid () == 0)
1435 dpdk_bind_vmbus_devices_to_uio (conf);
1438 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1439 devconf->x = conf->default_devconf.x ;
1441 pool_foreach (devconf, conf->dev_confs) {
1443 /* default per-device config items */
1444 foreach_dpdk_device_config_item
1446 /* copy tso config from default device */
1449 /* copy tso config from default device */
1452 /* copy rss_queues config from default device */
1455 /* add DPDK EAL whitelist/blacklist entry */
1456 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1457 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1459 tmp = format (0, "-a%c", 0);
1460 vec_add1 (conf->eal_init_args, tmp);
1461 if (devconf->devargs)
1463 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1464 &devconf->pci_addr, devconf->devargs, 0);
1468 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1470 vec_add1 (conf->eal_init_args, tmp);
1472 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1473 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1475 tmp = format (0, "-b%c", 0);
1476 vec_add1 (conf->eal_init_args, tmp);
1477 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1478 vec_add1 (conf->eal_init_args, tmp);
1485 clib_warning ("socket-mem argument is deprecated");
1487 /* NULL terminate the "argv" vector, in case of stupidity */
1488 vec_add1 (conf->eal_init_args, 0);
1489 _vec_len (conf->eal_init_args) -= 1;
1491 /* Set up DPDK eal and packet mbuf pool early. */
1493 int log_fds[2] = { 0 };
1494 if (pipe (log_fds) == 0)
1496 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1498 FILE *f = fdopen (log_fds[1], "a");
1499 if (f && rte_openlog_stream (f) == 0)
1501 clib_file_t t = { 0 };
1502 t.read_function = dpdk_log_read_ready;
1503 t.file_descriptor = log_fds[0];
1504 t.description = format (0, "DPDK logging pipe");
1505 clib_file_add (&file_main, &t);
1515 vm = vlib_get_main ();
1517 /* make copy of args as rte_eal_init tends to mess up with arg array */
1518 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1519 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1520 conf->eal_init_args[i]);
1522 vec_terminate_c_string (conf->eal_init_args_str);
1524 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1525 ret = rte_eal_init (vec_len (conf->eal_init_args),
1526 (char **) conf->eal_init_args);
1528 /* enable the AVX-512 vPMDs in DPDK */
1529 if (clib_cpu_supports_avx512_bitalg () &&
1530 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1531 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1532 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1533 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1534 DPDK_MAX_SIMD_BITWIDTH_256 ?
1538 /* lazy umount hugepages */
1539 umount2 ((char *) huge_dir_path, MNT_DETACH);
1540 rmdir ((char *) huge_dir_path);
1541 vec_free (huge_dir_path);
1544 return clib_error_return (0, "rte_eal_init returned %d", ret);
1546 /* main thread 1st */
1547 if ((error = dpdk_buffer_pools_create (vm)))
1554 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1557 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1559 vnet_main_t *vnm = vnet_get_main ();
1560 struct rte_eth_link prev_link = xd->link;
1562 u8 hw_flags_chg = 0;
1564 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1565 clib_memset (&xd->link, 0, sizeof (xd->link));
1566 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1568 if (LINK_STATE_ELOGS)
1570 ELOG_TYPE_DECLARE (e) =
1573 "update-link-state: sw_if_index %d, admin_up %d,"
1574 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1583 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1584 ed->sw_if_index = xd->sw_if_index;
1585 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1586 ed->old_link_state = (u8)
1587 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1588 ed->new_link_state = (u8) xd->link.link_status;
1591 if ((xd->link.link_duplex != prev_link.link_duplex))
1594 switch (xd->link.link_duplex)
1596 case ETH_LINK_HALF_DUPLEX:
1597 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1599 case ETH_LINK_FULL_DUPLEX:
1600 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1606 if (xd->link.link_speed != prev_link.link_speed)
1607 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1608 xd->link.link_speed * 1000);
1610 if (xd->link.link_status != prev_link.link_status)
1614 if (xd->link.link_status)
1615 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1620 if (LINK_STATE_ELOGS)
1622 ELOG_TYPE_DECLARE (e) =
1625 "update-link-state: sw_if_index %d, new flags %d",.format_args
1633 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1634 ed->sw_if_index = xd->sw_if_index;
1635 ed->flags = hw_flags;
1637 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1642 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1644 clib_error_t *error;
1645 dpdk_main_t *dm = &dpdk_main;
1647 vlib_thread_main_t *tm = vlib_get_thread_main ();
1649 error = dpdk_lib_init (dm);
1652 clib_error_report (error);
1654 if (dpdk_cryptodev_init)
1656 error = dpdk_cryptodev_init (vm);
1659 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1661 clib_error_free (error);
1665 tm->worker_thread_release = 1;
1667 f64 now = vlib_time_now (vm);
1668 vec_foreach (xd, dm->devices)
1670 dpdk_update_link_state (xd, now);
1676 * check each time through the loop in case intervals are changed
1678 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1679 dm->link_state_poll_interval : dm->stat_poll_interval;
1681 vlib_process_wait_for_event_or_clock (vm, min_wait);
1683 if (dm->admin_up_down_in_progress)
1684 /* skip the poll if an admin up down is in progress (on any interface) */
1687 vec_foreach (xd, dm->devices)
1689 f64 now = vlib_time_now (vm);
1690 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1691 dpdk_update_counters (xd, now);
1692 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1693 dpdk_update_link_state (xd, now);
1702 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1703 .function = dpdk_process,
1704 .type = VLIB_NODE_TYPE_PROCESS,
1705 .name = "dpdk-process",
1706 .process_log2_n_stack_bytes = 17,
1710 static clib_error_t *
1711 dpdk_init (vlib_main_t * vm)
1713 dpdk_main_t *dm = &dpdk_main;
1714 clib_error_t *error = 0;
1716 /* verify that structs are cacheline aligned */
1717 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1718 "Cache line marker must be 1st element in dpdk_device_t");
1719 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1720 CLIB_CACHE_LINE_BYTES,
1721 "Data in cache line 0 is bigger than cache line size");
1722 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1723 "Cache line marker must be 1st element in frame_queue_trace_t");
1725 dpdk_cli_reference ();
1727 dm->conf = &dpdk_config_main;
1729 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1731 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1732 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1734 dm->log_default = vlib_log_register_class ("dpdk", 0);
1735 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1740 VLIB_INIT_FUNCTION (dpdk_init);
1742 static clib_error_t *
1743 dpdk_worker_thread_init (vlib_main_t *vm)
1745 if (rte_thread_register () < 0)
1746 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1747 rte_strerror (rte_errno));
1751 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);