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 ();
179 vlib_main_t *vm = vlib_get_main ();
180 vlib_thread_main_t *tm = vlib_get_thread_main ();
181 vnet_device_main_t *vdm = &vnet_device_main;
182 vnet_sw_interface_t *sw;
183 vnet_hw_interface_t *hi;
185 vlib_pci_addr_t last_pci_addr;
186 u32 last_pci_addr_port = 0;
187 last_pci_addr.as_u32 = ~0;
189 nports = rte_eth_dev_count_avail ();
193 dpdk_log_notice ("DPDK drivers found no Ethernet devices...");
197 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
199 /* vlib_buffer_t template */
200 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
201 CLIB_CACHE_LINE_BYTES);
202 for (int i = 0; i < tm->n_vlib_mains; i++)
204 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
205 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
206 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
209 /* device config defaults */
210 dm->default_port_conf.n_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
211 dm->default_port_conf.n_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
212 dm->default_port_conf.n_rx_queues = 1;
213 dm->default_port_conf.n_tx_queues = tm->n_vlib_mains;
215 if ((clib_mem_get_default_hugepage_size () == 2 << 20) &&
216 check_l3cache () == 0)
217 dm->default_port_conf.n_rx_desc = dm->default_port_conf.n_tx_desc = 512;
219 RTE_ETH_FOREACH_DEV (port_id)
222 struct rte_eth_dev_info di;
223 struct rte_pci_device *pci_dev;
224 struct rte_vmbus_device *vmbus_dev;
225 dpdk_portid_t next_port_id;
226 dpdk_device_config_t *devconf = 0;
227 vnet_eth_interface_registration_t eir = {};
228 vlib_pci_addr_t pci_addr;
229 vlib_vmbus_addr_t vmbus_addr;
232 if (!rte_eth_dev_is_valid_port (port_id))
235 rte_eth_dev_info_get (port_id, &di);
239 dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
244 pci_dev = dpdk_get_pci_device (&di);
248 pci_addr.domain = pci_dev->addr.domain;
249 pci_addr.bus = pci_dev->addr.bus;
250 pci_addr.slot = pci_dev->addr.devid;
251 pci_addr.function = pci_dev->addr.function;
252 p = hash_get (dm->conf->device_config_index_by_pci_addr,
256 vmbus_dev = dpdk_get_vmbus_device (&di);
260 unformat_input_t input_vmbus;
261 unformat_init_string (&input_vmbus, di.device->name,
262 strlen (di.device->name));
263 if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr,
266 p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
269 unformat_free (&input_vmbus);
274 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
275 /* If device is blacklisted, we should skip it */
276 if (devconf->is_blacklisted)
282 devconf = &dm->conf->default_devconf;
284 /* Create vnet interface */
285 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
286 xd->cpu_socket = (i8) rte_eth_dev_socket_id (port_id);
287 clib_memcpy (&xd->conf, &dm->default_port_conf,
288 sizeof (dpdk_port_conf_t));
292 xd->name = devconf->name;
295 /* Handle representor devices that share the same PCI ID */
296 if (di.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
298 if (di.switch_info.port_id != (uint16_t) -1)
299 xd->interface_name_suffix =
300 format (0, "%d", di.switch_info.port_id);
302 /* Handle interface naming for devices with multiple ports sharing same
304 else if (pci_dev && ((next_port_id = rte_eth_find_next (port_id + 1)) !=
307 struct rte_eth_dev_info next_di = { 0 };
308 struct rte_pci_device *next_pci_dev;
309 rte_eth_dev_info_get (next_port_id, &next_di);
310 next_pci_dev = next_di.device ? RTE_DEV_TO_PCI (next_di.device) : 0;
311 if (next_pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
312 memcmp (&pci_dev->addr, &next_pci_dev->addr,
313 sizeof (struct rte_pci_addr)) == 0)
315 xd->interface_name_suffix = format (0, "0");
316 last_pci_addr.as_u32 = pci_addr.as_u32;
317 last_pci_addr_port = port_id;
319 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
321 xd->interface_name_suffix =
322 format (0, "%u", port_id - last_pci_addr_port);
326 last_pci_addr.as_u32 = ~0;
330 last_pci_addr.as_u32 = ~0;
332 if (di.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
334 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
335 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
338 if (xd->conf.enable_tcp_udp_checksum)
340 if (di.rx_offload_capa & DEV_RX_OFFLOAD_UDP_CKSUM)
341 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_UDP_CKSUM;
342 if (di.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
343 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_CKSUM;
344 if (di.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
345 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
347 if (xd->conf.enable_outer_checksum_offload)
349 if (di.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
350 xd->port_conf.txmode.offloads |=
351 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
352 if (di.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
353 xd->port_conf.txmode.offloads |=
354 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM;
358 if (xd->conf.enable_lro)
360 if (di.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
362 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_LRO;
363 if (devconf->max_lro_pkt_size)
364 xd->port_conf.rxmode.max_lro_pkt_size =
365 devconf->max_lro_pkt_size;
367 xd->port_conf.rxmode.max_lro_pkt_size =
368 DPDK_MAX_LRO_SIZE_DEFAULT;
371 if (xd->conf.no_multi_seg)
373 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
374 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
375 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
379 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
380 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
381 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
382 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
385 xd->conf.n_tx_queues = clib_min (di.max_tx_queues, xd->conf.n_tx_queues);
387 if (devconf->num_tx_queues > 0 &&
388 devconf->num_tx_queues < xd->conf.n_tx_queues)
389 xd->conf.n_tx_queues = devconf->num_tx_queues;
391 if (devconf->num_rx_queues > 1 &&
392 di.max_rx_queues >= devconf->num_rx_queues)
394 xd->conf.n_rx_queues = devconf->num_rx_queues;
395 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
396 if (devconf->rss_fn == 0)
397 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
398 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
401 u64 unsupported_bits;
402 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
403 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
404 unsupported_bits &= ~di.flow_type_rss_offloads;
405 if (unsupported_bits)
406 dpdk_log_warn ("Unsupported RSS hash functions: %U",
407 format_dpdk_rss_hf_name, unsupported_bits);
409 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
410 di.flow_type_rss_offloads;
413 if (devconf->num_rx_desc)
414 xd->conf.n_rx_desc = devconf->num_rx_desc;
416 if (devconf->num_tx_desc)
417 xd->conf.n_tx_desc = devconf->num_tx_desc;
419 vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
420 CLIB_CACHE_LINE_BYTES);
422 /* workaround for drivers not setting driver_name */
423 if ((!di.driver_name) && (pci_dev))
424 di.driver_name = pci_dev->driver->driver.name;
426 ASSERT (di.driver_name);
432 else if (di.driver_name && !strcmp (di.driver_name, s)) xd->pmd = \
438 else xd->pmd = VNET_DPDK_PMD_UNKNOWN;
440 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
444 /* Drivers with valid speed_capa set */
445 case VNET_DPDK_PMD_I40E:
446 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
448 case VNET_DPDK_PMD_E1000EM:
449 case VNET_DPDK_PMD_IGB:
450 case VNET_DPDK_PMD_IGC:
451 case VNET_DPDK_PMD_IXGBE:
452 case VNET_DPDK_PMD_ICE:
453 xd->port_type = port_type_from_speed_capa (&di);
454 xd->supported_flow_actions =
455 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
456 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
457 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
458 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
460 if (xd->conf.no_tx_checksum_offload == 0)
462 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
463 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
464 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
465 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
468 xd->port_conf.intr_conf.rxq = 1;
470 case VNET_DPDK_PMD_MLX5:
471 if (xd->conf.no_tx_checksum_offload == 0)
473 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
474 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
475 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
476 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
478 xd->port_type = port_type_from_speed_capa (&di);
480 case VNET_DPDK_PMD_CXGBE:
481 case VNET_DPDK_PMD_MLX4:
482 case VNET_DPDK_PMD_QEDE:
483 case VNET_DPDK_PMD_BNXT:
484 xd->port_type = port_type_from_speed_capa (&di);
488 case VNET_DPDK_PMD_I40EVF:
489 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
491 case VNET_DPDK_PMD_IGBVF:
492 case VNET_DPDK_PMD_IXGBEVF:
493 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
494 if (xd->conf.no_tx_checksum_offload == 0)
496 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
497 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
498 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
499 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
501 /* DPDK bug in multiqueue... */
502 /* xd->port_conf.intr_conf.rxq = 1; */
506 case VNET_DPDK_PMD_IAVF:
507 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
508 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
509 xd->supported_flow_actions =
510 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
511 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
512 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
513 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
515 if (xd->conf.no_tx_checksum_offload == 0)
517 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
518 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
519 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
520 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
522 /* DPDK bug in multiqueue... */
523 /* xd->port_conf.intr_conf.rxq = 1; */
526 case VNET_DPDK_PMD_THUNDERX:
527 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
529 if (xd->conf.no_tx_checksum_offload == 0)
531 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
532 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
533 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
537 case VNET_DPDK_PMD_ENA:
538 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
539 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
540 xd->port_conf.intr_conf.rxq = 1;
541 if (xd->conf.no_tx_checksum_offload == 0)
543 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
544 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
545 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
546 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
550 case VNET_DPDK_PMD_DPAA2:
551 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
555 case VNET_DPDK_PMD_ENIC:
557 xd->port_type = port_type_from_speed_capa (&di);
558 if (xd->conf.enable_tcp_udp_checksum)
559 dpdk_enable_l4_csum_offload (xd);
563 /* Intel Red Rock Canyon */
564 case VNET_DPDK_PMD_FM10K:
565 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
569 case VNET_DPDK_PMD_VIRTIO:
570 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
571 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
572 xd->conf.n_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
573 xd->conf.n_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
575 * Enable use of RX interrupts if supported.
577 * There is no device flag or capability for this, so
578 * use the same check that the virtio driver does.
580 if (pci_dev && rte_intr_cap_multiple (&pci_dev->intr_handle))
581 xd->port_conf.intr_conf.rxq = 1;
585 case VNET_DPDK_PMD_VMXNET3:
586 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
587 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
588 /* TCP csum offload not working although udp might work. Left
589 * disabled for now */
590 if (0 && (xd->conf.no_tx_checksum_offload == 0))
592 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
593 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
594 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
595 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
599 case VNET_DPDK_PMD_AF_PACKET:
600 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
603 case VNET_DPDK_PMD_VIRTIO_USER:
604 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
607 case VNET_DPDK_PMD_VHOST_ETHER:
608 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
611 case VNET_DPDK_PMD_LIOVF_ETHER:
612 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
615 case VNET_DPDK_PMD_FAILSAFE:
616 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
617 xd->port_conf.intr_conf.lsc = 1;
620 case VNET_DPDK_PMD_NETVSC:
622 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
627 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
631 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
633 f64 now = vlib_time_now (vm);
635 rnd = (u32) (now * 1e6);
636 rnd = random_u32 (&rnd);
637 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
642 rte_eth_macaddr_get (port_id, (void *) addr);
644 xd->port_id = port_id;
645 xd->device_index = xd - dm->devices;
646 xd->per_interface_next_index = ~0;
648 /* assign interface to input thread */
651 eir.dev_class_index = dpdk_device_class.index;
652 eir.dev_instance = xd->device_index;
654 eir.cb.flag_change = dpdk_flag_change;
655 xd->hw_if_index = vnet_eth_register_interface (vnm, &eir);
657 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
658 xd->sw_if_index = sw->sw_if_index;
659 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
661 if (devconf->workers)
665 clib_bitmap_foreach (j, devconf->workers)
667 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
668 rxq->queue_index = vnet_hw_if_register_rx_queue (
669 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
673 for (q = 0; q < xd->conf.n_rx_queues; q++)
675 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
676 rxq->queue_index = vnet_hw_if_register_rx_queue (
677 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
680 vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
682 /*Get vnet hardware interface */
683 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
687 hi->numa_node = xd->cpu_socket;
689 /* Indicate ability to support L3 DMAC filtering and
690 * initialize interface to L3 non-promisc mode */
691 hi->caps |= VNET_HW_IF_CAP_MAC_FILTER;
692 ethernet_set_flags (vnm, xd->hw_if_index,
693 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
696 if (xd->conf.no_tx_checksum_offload == 0)
697 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
699 hi->caps |= VNET_HW_IF_CAP_TX_IP4_CKSUM |
700 VNET_HW_IF_CAP_TX_TCP_CKSUM |
701 VNET_HW_IF_CAP_TX_UDP_CKSUM;
702 if (xd->conf.enable_outer_checksum_offload)
704 hi->caps |= VNET_HW_IF_CAP_TX_IP4_OUTER_CKSUM |
705 VNET_HW_IF_CAP_TX_UDP_OUTER_CKSUM;
708 if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
710 /*tcp_udp checksum must be enabled*/
711 if ((xd->conf.enable_tcp_udp_checksum) &&
712 (hi->caps & VNET_HW_IF_CAP_TX_CKSUM))
714 hi->caps |= VNET_HW_IF_CAP_TCP_GSO;
715 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO;
717 if (xd->conf.enable_outer_checksum_offload &&
718 (di.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO))
720 xd->port_conf.txmode.offloads |=
721 DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
722 hi->caps |= VNET_HW_IF_CAP_VXLAN_TNL_GSO;
726 clib_warning ("%s: TCP/UDP checksum offload must be enabled",
730 dpdk_device_setup (xd);
732 /* rss queues should be configured after dpdk_device_setup() */
733 if ((hi != NULL) && (devconf->rss_queues != NULL))
735 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
736 devconf->rss_queues))
738 clib_warning ("%s: Failed to set rss queues", hi->name);
742 if (vec_len (xd->errors))
743 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
744 format_dpdk_device_name, port_id,
745 format_dpdk_device_errors, xd);
752 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
754 vlib_main_t *vm = vlib_get_main ();
757 int num_whitelisted = vec_len (conf->dev_confs);
758 vlib_pci_device_info_t *d = 0;
759 vlib_pci_addr_t *addr = 0, *addrs;
762 addrs = vlib_pci_get_all_dev_addrs ();
764 vec_foreach (addr, addrs)
766 dpdk_device_config_t * devconf = 0;
767 vec_reset_length (pci_addr);
768 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
771 vlib_pci_free_device_info (d);
774 d = vlib_pci_get_device_info (vm, addr, &error);
777 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
778 clib_error_free (error);
782 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
787 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
795 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
798 /* Enforce Device blacklist by vendor and device */
799 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
802 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
803 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
804 if (d->vendor_id == vendor && d->device_id == device)
807 * Expected case: device isn't whitelisted,
812 /* Device is blacklisted */
813 pool_get (conf->dev_confs, devconf);
814 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
815 devconf - conf->dev_confs);
816 devconf->pci_addr.as_u32 = addr->as_u32;
817 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
818 devconf->is_blacklisted = 1;
821 else /* explicitly whitelisted, ignore the device blacklist */
827 if (d->vendor_id == 0x1af4 &&
828 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
829 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
832 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
835 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
836 * the default is to put it in the blacklist.
840 pool_get (conf->dev_confs, devconf);
841 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
842 devconf - conf->dev_confs);
843 devconf->pci_addr.as_u32 = addr->as_u32;
844 devconf->is_blacklisted = 1;
847 /* all Intel network devices */
848 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
850 /* all Intel QAT devices VFs */
851 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
852 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
853 d->device_id == 0x37c9 || d->device_id == 0x6f55))
856 else if (d->vendor_id == 0x1137 &&
857 (d->device_id == 0x0043 || d->device_id == 0x0071))
860 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
862 /* Amazon Elastic Network Adapter */
863 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
865 /* Cavium Network Adapter */
866 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
868 /* Cavium FastlinQ QL41000 Series */
869 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
871 /* Mellanox CX3, CX3VF */
872 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
876 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
877 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
881 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
882 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
886 /* Broadcom NetXtreme S, and E series only */
887 else if (d->vendor_id == 0x14e4 &&
888 ((d->device_id >= 0x16c0 &&
889 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
890 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
891 d->device_id != 0x16fd && d->device_id != 0x16fe &&
892 d->device_id != 0x170d && d->device_id != 0x170c &&
893 d->device_id != 0x170e && d->device_id != 0x1712 &&
894 d->device_id != 0x1713) ||
895 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
896 d->device_id == 0x1614 || d->device_id == 0x1606 ||
897 d->device_id == 0x1609 || d->device_id == 0x1614)))
901 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
902 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
907 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
913 pool_get (conf->dev_confs, devconf);
914 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
915 devconf - conf->dev_confs);
916 devconf->pci_addr.as_u32 = addr->as_u32;
918 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
919 devconf->is_blacklisted = 1;
920 clib_error_report (error);
925 vlib_pci_free_device_info (d);
929 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
932 vlib_vmbus_addr_t *addrs, *addr = 0;
933 int num_whitelisted = vec_len (conf->dev_confs);
936 addrs = vlib_vmbus_get_all_dev_addrs ();
939 vec_foreach (addr, addrs)
941 dpdk_device_config_t *devconf = 0;
945 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
948 /* No devices blacklisted, but have whitelisted. blacklist all
950 pool_get (conf->dev_confs, devconf);
951 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
952 devconf - conf->dev_confs, 0);
953 devconf->vmbus_addr = *addr;
954 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
955 devconf->is_blacklisted = 1;
960 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
963 /* Enforce Device blacklist by vmbus_addr */
964 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
966 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
967 vlib_vmbus_addr_t *a2 = addr;
968 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
972 /* Device not whitelisted */
973 pool_get (conf->dev_confs, devconf);
974 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
975 devconf - conf->dev_confs, 0);
976 devconf->vmbus_addr = *addr;
977 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
978 devconf->is_blacklisted = 1;
988 error = vlib_vmbus_bind_to_uio (addr);
993 pool_get (conf->dev_confs, devconf);
994 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
995 devconf - conf->dev_confs, 0);
996 devconf->vmbus_addr = *addr;
998 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
999 devconf->is_blacklisted = 1;
1000 clib_error_report (error);
1007 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
1009 uword *max_simd_bitwidth = va_arg (*va, uword *);
1011 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1013 if (!unformat (input, "%u", max_simd_bitwidth))
1016 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
1017 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
1025 static clib_error_t *
1026 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
1027 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
1030 clib_error_t *error = 0;
1032 dpdk_device_config_t *devconf = 0;
1033 unformat_input_t sub_input;
1037 devconf = &conf->default_devconf;
1039 else if (addr_type == VNET_DEV_ADDR_PCI)
1041 p = hash_get (conf->device_config_index_by_pci_addr,
1042 ((vlib_pci_addr_t *) (addr))->as_u32);
1046 pool_get (conf->dev_confs, devconf);
1047 hash_set (conf->device_config_index_by_pci_addr,
1048 ((vlib_pci_addr_t *) (addr))->as_u32,
1049 devconf - conf->dev_confs);
1052 return clib_error_return (0,
1053 "duplicate configuration for PCI address %U",
1054 format_vlib_pci_addr, addr);
1056 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1058 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
1059 (vlib_vmbus_addr_t *) (addr));
1063 pool_get (conf->dev_confs, devconf);
1064 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1065 devconf - conf->dev_confs, 0);
1068 return clib_error_return (
1069 0, "duplicate configuration for VMBUS address %U",
1070 format_vlib_vmbus_addr, addr);
1073 if (addr_type == VNET_DEV_ADDR_PCI)
1075 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
1076 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1077 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1079 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1081 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
1082 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1083 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1089 unformat_skip_white_space (input);
1090 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1092 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1094 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1096 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1098 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1100 else if (unformat (input, "name %s", &devconf->name))
1102 else if (unformat (input, "workers %U", unformat_bitmap_list,
1107 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1109 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1113 else if (unformat (input, "tso on"))
1115 devconf->tso = DPDK_DEVICE_TSO_ON;
1117 else if (unformat (input, "tso off"))
1119 devconf->tso = DPDK_DEVICE_TSO_OFF;
1121 else if (unformat (input, "devargs %s", &devconf->devargs))
1123 else if (unformat (input, "rss-queues %U",
1124 unformat_bitmap_list, &devconf->rss_queues))
1126 else if (unformat (input, "max-lro-pkt-size %u",
1127 &devconf->max_lro_pkt_size))
1131 error = clib_error_return (0, "unknown input `%U'",
1132 format_unformat_error, input);
1140 if (devconf->workers && devconf->num_rx_queues == 0)
1141 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1142 else if (devconf->workers &&
1143 clib_bitmap_count_set_bits (devconf->workers) !=
1144 devconf->num_rx_queues)
1145 error = clib_error_return (0,
1146 "%U: number of worker threads must be "
1147 "equal to number of rx queues",
1148 format_vlib_pci_addr, addr);
1153 static clib_error_t *
1154 dpdk_log_read_ready (clib_file_t * uf)
1156 unformat_input_t input;
1163 uword len = vec_len (s);
1164 vec_resize (s, len + n_try);
1166 n = read (uf->file_descriptor, s + len, n_try);
1167 if (n < 0 && errno != EAGAIN)
1168 return clib_error_return_unix (0, "read");
1169 _vec_len (s) = len + (n < 0 ? 0 : n);
1172 unformat_init_vector (&input, s);
1174 while (unformat_user (&input, unformat_line, &line))
1176 dpdk_log_notice ("%v", line);
1180 unformat_free (&input);
1184 static clib_error_t *
1185 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1187 dpdk_main_t *dm = &dpdk_main;
1188 clib_error_t *error = 0;
1189 dpdk_config_main_t *conf = &dpdk_config_main;
1190 vlib_thread_main_t *tm = vlib_get_thread_main ();
1191 dpdk_device_config_t *devconf;
1192 vlib_pci_addr_t pci_addr = { 0 };
1193 vlib_vmbus_addr_t vmbus_addr = { 0 };
1194 unformat_input_t sub_input;
1195 uword default_hugepage_sz, x;
1198 int num_whitelisted = 0;
1199 int eal_no_hugetlb = 0;
1204 u8 *huge_dir_path = 0;
1205 u32 vendor, device, domain, bus, func;
1208 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1210 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1211 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1212 sizeof (vlib_vmbus_addr_t));
1214 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1216 /* Prime the pump */
1217 if (unformat (input, "no-hugetlb"))
1219 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1222 else if (unformat (input, "telemetry"))
1223 conf->enable_telemetry = 1;
1225 else if (unformat (input, "enable-tcp-udp-checksum"))
1227 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1228 if (unformat (input, "enable-outer-checksum-offload"))
1229 dm->default_port_conf.enable_outer_checksum_offload = 1;
1231 else if (unformat (input, "no-tx-checksum-offload"))
1232 dm->default_port_conf.no_tx_checksum_offload = 1;
1234 else if (unformat (input, "decimal-interface-names"))
1235 conf->interface_name_format_decimal = 1;
1237 else if (unformat (input, "no-multi-seg"))
1238 dm->default_port_conf.no_multi_seg = 1;
1239 else if (unformat (input, "enable-lro"))
1240 dm->default_port_conf.enable_lro = 1;
1241 else if (unformat (input, "max-simd-bitwidth %U",
1242 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1244 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1248 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1255 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1256 unformat_vlib_cli_sub_input, &sub_input))
1258 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1266 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1269 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1276 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1277 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1279 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1287 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1291 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1298 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1300 else if (unformat (input, "socket-mem %s", &socket_mem))
1302 else if (unformat (input, "no-pci"))
1305 tmp = format (0, "--no-pci%c", 0);
1306 vec_add1 (conf->eal_init_args, tmp);
1308 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1311 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1315 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1317 tmp = format (0, "-b%c", 0);
1318 vec_add1 (conf->eal_init_args, tmp);
1320 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1321 vec_add1 (conf->eal_init_args, tmp);
1323 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1325 u32 blacklist_entry;
1326 if (vendor > 0xFFFF)
1327 return clib_error_return (0, "blacklist PCI vendor out of range");
1328 if (device > 0xFFFF)
1329 return clib_error_return (0, "blacklist PCI device out of range");
1330 blacklist_entry = (vendor << 16) | (device & 0xffff);
1331 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1334 else if (unformat (input, "no-vmbus"))
1337 tmp = format (0, "--no-vmbus%c", 0);
1338 vec_add1 (conf->eal_init_args, tmp);
1342 else if (unformat(input, #a)) \
1344 tmp = format (0, "--%s%c", #a, 0); \
1345 vec_add1 (conf->eal_init_args, tmp); \
1347 foreach_eal_double_hyphen_predicate_arg
1350 else if (unformat(input, #a " %s", &s)) \
1352 if (!strncmp(#a, "file-prefix", 11)) \
1354 tmp = format (0, "--%s%c", #a, 0); \
1355 vec_add1 (conf->eal_init_args, tmp); \
1357 if (!strncmp(#a, "vdev", 4)) \
1358 if (strstr((char*)s, "af_packet")) \
1359 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1360 vec_add1 (conf->eal_init_args, s); \
1362 foreach_eal_double_hyphen_arg
1365 else if (unformat(input, #a " %s", &s)) \
1367 tmp = format (0, "-%s%c", #b, 0); \
1368 vec_add1 (conf->eal_init_args, tmp); \
1370 vec_add1 (conf->eal_init_args, s); \
1372 foreach_eal_single_hyphen_arg
1374 else if (unformat (input, "default"))
1377 else if (unformat_skip_white_space (input))
1381 error = clib_error_return (0, "unknown input `%U'",
1382 format_unformat_error, input);
1387 if (!conf->uio_driver_name)
1388 conf->uio_driver_name = format (0, "auto%c", 0);
1390 if (eal_no_hugetlb == 0)
1392 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1394 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1397 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1401 /* preallocate at least 16MB of hugepages per socket,
1402 if more is needed it is up to consumer to preallocate more */
1403 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1404 n_pages /= default_hugepage_sz;
1406 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1407 clib_error_report (e);
1412 /* on/off dpdk's telemetry thread */
1413 if (conf->enable_telemetry == 0)
1415 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1420 tmp = format (0, "--file-prefix%c", 0);
1421 vec_add1 (conf->eal_init_args, tmp);
1422 tmp = format (0, "vpp%c", 0);
1423 vec_add1 (conf->eal_init_args, tmp);
1429 if (no_pci == 0 && geteuid () == 0)
1430 dpdk_bind_devices_to_uio (conf);
1432 if (no_vmbus == 0 && geteuid () == 0)
1433 dpdk_bind_vmbus_devices_to_uio (conf);
1436 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1437 devconf->x = conf->default_devconf.x ;
1439 pool_foreach (devconf, conf->dev_confs) {
1441 /* default per-device config items */
1442 foreach_dpdk_device_config_item
1444 /* copy tso config from default device */
1447 /* copy tso config from default device */
1450 /* copy rss_queues config from default device */
1453 /* add DPDK EAL whitelist/blacklist entry */
1454 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1455 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1457 tmp = format (0, "-a%c", 0);
1458 vec_add1 (conf->eal_init_args, tmp);
1459 if (devconf->devargs)
1461 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1462 &devconf->pci_addr, devconf->devargs, 0);
1466 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1468 vec_add1 (conf->eal_init_args, tmp);
1470 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1471 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1473 tmp = format (0, "-b%c", 0);
1474 vec_add1 (conf->eal_init_args, tmp);
1475 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1476 vec_add1 (conf->eal_init_args, tmp);
1483 clib_warning ("socket-mem argument is deprecated");
1485 /* NULL terminate the "argv" vector, in case of stupidity */
1486 vec_add1 (conf->eal_init_args, 0);
1487 _vec_len (conf->eal_init_args) -= 1;
1489 /* Set up DPDK eal and packet mbuf pool early. */
1491 int log_fds[2] = { 0 };
1492 if (pipe (log_fds) == 0)
1494 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1496 FILE *f = fdopen (log_fds[1], "a");
1497 if (f && rte_openlog_stream (f) == 0)
1499 clib_file_t t = { 0 };
1500 t.read_function = dpdk_log_read_ready;
1501 t.file_descriptor = log_fds[0];
1502 t.description = format (0, "DPDK logging pipe");
1503 clib_file_add (&file_main, &t);
1513 vm = vlib_get_main ();
1515 /* make copy of args as rte_eal_init tends to mess up with arg array */
1516 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1517 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1518 conf->eal_init_args[i]);
1520 vec_terminate_c_string (conf->eal_init_args_str);
1522 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1523 ret = rte_eal_init (vec_len (conf->eal_init_args),
1524 (char **) conf->eal_init_args);
1526 /* enable the AVX-512 vPMDs in DPDK */
1527 if (clib_cpu_supports_avx512_bitalg () &&
1528 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1529 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1530 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1531 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1532 DPDK_MAX_SIMD_BITWIDTH_256 ?
1536 /* lazy umount hugepages */
1537 umount2 ((char *) huge_dir_path, MNT_DETACH);
1538 rmdir ((char *) huge_dir_path);
1539 vec_free (huge_dir_path);
1542 return clib_error_return (0, "rte_eal_init returned %d", ret);
1544 /* main thread 1st */
1545 if ((error = dpdk_buffer_pools_create (vm)))
1552 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1555 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1557 vnet_main_t *vnm = vnet_get_main ();
1558 struct rte_eth_link prev_link = xd->link;
1560 u8 hw_flags_chg = 0;
1562 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1563 clib_memset (&xd->link, 0, sizeof (xd->link));
1564 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1566 if (LINK_STATE_ELOGS)
1568 ELOG_TYPE_DECLARE (e) =
1571 "update-link-state: sw_if_index %d, admin_up %d,"
1572 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1581 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1582 ed->sw_if_index = xd->sw_if_index;
1583 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1584 ed->old_link_state = (u8)
1585 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1586 ed->new_link_state = (u8) xd->link.link_status;
1589 if ((xd->link.link_duplex != prev_link.link_duplex))
1592 switch (xd->link.link_duplex)
1594 case ETH_LINK_HALF_DUPLEX:
1595 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1597 case ETH_LINK_FULL_DUPLEX:
1598 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1604 if (xd->link.link_speed != prev_link.link_speed)
1605 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1606 xd->link.link_speed * 1000);
1608 if (xd->link.link_status != prev_link.link_status)
1612 if (xd->link.link_status)
1613 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1618 if (LINK_STATE_ELOGS)
1620 ELOG_TYPE_DECLARE (e) =
1623 "update-link-state: sw_if_index %d, new flags %d",.format_args
1631 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1632 ed->sw_if_index = xd->sw_if_index;
1633 ed->flags = hw_flags;
1635 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1640 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1642 clib_error_t *error;
1643 dpdk_main_t *dm = &dpdk_main;
1645 vlib_thread_main_t *tm = vlib_get_thread_main ();
1647 error = dpdk_lib_init (dm);
1650 clib_error_report (error);
1652 if (dpdk_cryptodev_init)
1654 error = dpdk_cryptodev_init (vm);
1657 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1659 clib_error_free (error);
1663 tm->worker_thread_release = 1;
1665 f64 now = vlib_time_now (vm);
1666 vec_foreach (xd, dm->devices)
1668 dpdk_update_link_state (xd, now);
1674 * check each time through the loop in case intervals are changed
1676 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1677 dm->link_state_poll_interval : dm->stat_poll_interval;
1679 vlib_process_wait_for_event_or_clock (vm, min_wait);
1681 if (dm->admin_up_down_in_progress)
1682 /* skip the poll if an admin up down is in progress (on any interface) */
1685 vec_foreach (xd, dm->devices)
1687 f64 now = vlib_time_now (vm);
1688 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1689 dpdk_update_counters (xd, now);
1690 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1691 dpdk_update_link_state (xd, now);
1700 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1701 .function = dpdk_process,
1702 .type = VLIB_NODE_TYPE_PROCESS,
1703 .name = "dpdk-process",
1704 .process_log2_n_stack_bytes = 17,
1708 static clib_error_t *
1709 dpdk_init (vlib_main_t * vm)
1711 dpdk_main_t *dm = &dpdk_main;
1712 clib_error_t *error = 0;
1714 /* verify that structs are cacheline aligned */
1715 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1716 "Cache line marker must be 1st element in dpdk_device_t");
1717 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1718 CLIB_CACHE_LINE_BYTES,
1719 "Data in cache line 0 is bigger than cache line size");
1720 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1721 "Cache line marker must be 1st element in frame_queue_trace_t");
1723 dpdk_cli_reference ();
1725 dm->conf = &dpdk_config_main;
1727 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1729 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1730 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1732 dm->log_default = vlib_log_register_class ("dpdk", 0);
1733 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1738 VLIB_INIT_FUNCTION (dpdk_init);
1740 static clib_error_t *
1741 dpdk_worker_thread_init (vlib_main_t *vm)
1743 if (rte_thread_register () < 0)
1744 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1745 rte_strerror (rte_errno));
1749 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);