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 vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
415 CLIB_CACHE_LINE_BYTES);
417 /* workaround for drivers not setting driver_name */
418 if ((!di.driver_name) && (pci_dev))
419 di.driver_name = pci_dev->driver->driver.name;
421 ASSERT (di.driver_name);
427 else if (di.driver_name && !strcmp (di.driver_name, s)) xd->pmd = \
433 else xd->pmd = VNET_DPDK_PMD_UNKNOWN;
435 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
439 /* Drivers with valid speed_capa set */
440 case VNET_DPDK_PMD_I40E:
441 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
443 case VNET_DPDK_PMD_E1000EM:
444 case VNET_DPDK_PMD_IGB:
445 case VNET_DPDK_PMD_IGC:
446 case VNET_DPDK_PMD_IXGBE:
447 case VNET_DPDK_PMD_ICE:
448 xd->port_type = port_type_from_speed_capa (&di);
449 xd->supported_flow_actions =
450 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
451 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
452 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
453 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
455 if (xd->conf.no_tx_checksum_offload == 0)
457 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
458 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
459 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
460 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
463 xd->port_conf.intr_conf.rxq = 1;
465 case VNET_DPDK_PMD_MLX5:
466 if (xd->conf.no_tx_checksum_offload == 0)
468 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
469 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
470 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
471 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
473 xd->port_type = port_type_from_speed_capa (&di);
475 case VNET_DPDK_PMD_CXGBE:
476 case VNET_DPDK_PMD_MLX4:
477 case VNET_DPDK_PMD_QEDE:
478 case VNET_DPDK_PMD_BNXT:
479 xd->port_type = port_type_from_speed_capa (&di);
483 case VNET_DPDK_PMD_I40EVF:
484 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
486 case VNET_DPDK_PMD_IGBVF:
487 case VNET_DPDK_PMD_IXGBEVF:
488 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
489 if (xd->conf.no_tx_checksum_offload == 0)
491 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
492 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
493 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
494 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
496 /* DPDK bug in multiqueue... */
497 /* xd->port_conf.intr_conf.rxq = 1; */
501 case VNET_DPDK_PMD_IAVF:
502 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
503 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
504 xd->supported_flow_actions =
505 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
506 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
507 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
508 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
510 if (xd->conf.no_tx_checksum_offload == 0)
512 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
513 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
514 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
515 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
517 /* DPDK bug in multiqueue... */
518 /* xd->port_conf.intr_conf.rxq = 1; */
521 case VNET_DPDK_PMD_THUNDERX:
522 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
524 if (xd->conf.no_tx_checksum_offload == 0)
526 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
527 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
528 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
532 case VNET_DPDK_PMD_ENA:
533 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
534 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
535 xd->port_conf.intr_conf.rxq = 1;
536 if (xd->conf.no_tx_checksum_offload == 0)
538 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
539 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
540 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
541 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
545 case VNET_DPDK_PMD_DPAA2:
546 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
550 case VNET_DPDK_PMD_ENIC:
552 xd->port_type = port_type_from_speed_capa (&di);
553 if (xd->conf.enable_tcp_udp_checksum)
554 dpdk_enable_l4_csum_offload (xd);
558 /* Intel Red Rock Canyon */
559 case VNET_DPDK_PMD_FM10K:
560 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
564 case VNET_DPDK_PMD_VIRTIO:
565 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
566 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
567 xd->conf.n_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
568 xd->conf.n_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
570 * Enable use of RX interrupts if supported.
572 * There is no device flag or capability for this, so
573 * use the same check that the virtio driver does.
575 if (pci_dev && rte_intr_cap_multiple (&pci_dev->intr_handle))
576 xd->port_conf.intr_conf.rxq = 1;
580 case VNET_DPDK_PMD_VMXNET3:
581 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
582 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
583 /* TCP csum offload not working although udp might work. Left
584 * disabled for now */
585 if (0 && (xd->conf.no_tx_checksum_offload == 0))
587 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
588 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
589 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
590 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
594 case VNET_DPDK_PMD_AF_PACKET:
595 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
596 xd->af_packet_instance_num = af_packet_instance_num++;
599 case VNET_DPDK_PMD_VIRTIO_USER:
600 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
603 case VNET_DPDK_PMD_VHOST_ETHER:
604 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
607 case VNET_DPDK_PMD_LIOVF_ETHER:
608 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
611 case VNET_DPDK_PMD_FAILSAFE:
612 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
613 xd->port_conf.intr_conf.lsc = 1;
616 case VNET_DPDK_PMD_NETVSC:
618 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
623 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
627 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
629 f64 now = vlib_time_now (vm);
631 rnd = (u32) (now * 1e6);
632 rnd = random_u32 (&rnd);
633 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
638 rte_eth_macaddr_get (port_id, (void *) addr);
640 xd->port_id = port_id;
641 xd->device_index = xd - dm->devices;
642 xd->per_interface_next_index = ~0;
644 /* assign interface to input thread */
647 error = ethernet_register_interface (
648 vnm, dpdk_device_class.index, xd->device_index,
649 /* ethernet address */ addr, &xd->hw_if_index, dpdk_flag_change);
653 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
654 xd->sw_if_index = sw->sw_if_index;
655 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
657 if (devconf->workers)
661 clib_bitmap_foreach (j, devconf->workers)
663 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
664 rxq->queue_index = vnet_hw_if_register_rx_queue (
665 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
669 for (q = 0; q < xd->conf.n_rx_queues; q++)
671 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
672 rxq->queue_index = vnet_hw_if_register_rx_queue (
673 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
676 vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
678 /*Get vnet hardware interface */
679 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
683 hi->numa_node = xd->cpu_socket;
685 /* Indicate ability to support L3 DMAC filtering and
686 * initialize interface to L3 non-promisc mode */
687 hi->caps |= VNET_HW_IF_CAP_MAC_FILTER;
688 ethernet_set_flags (vnm, xd->hw_if_index,
689 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
692 if (xd->conf.no_tx_checksum_offload == 0)
693 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
695 hi->caps |= VNET_HW_IF_CAP_TX_IP4_CKSUM |
696 VNET_HW_IF_CAP_TX_TCP_CKSUM |
697 VNET_HW_IF_CAP_TX_UDP_CKSUM;
698 if (xd->conf.enable_outer_checksum_offload)
700 hi->caps |= VNET_HW_IF_CAP_TX_IP4_OUTER_CKSUM |
701 VNET_HW_IF_CAP_TX_UDP_OUTER_CKSUM;
704 if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
706 /*tcp_udp checksum must be enabled*/
707 if ((xd->conf.enable_tcp_udp_checksum) &&
708 (hi->caps & VNET_HW_IF_CAP_TX_CKSUM))
710 hi->caps |= VNET_HW_IF_CAP_TCP_GSO;
711 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO;
713 if (xd->conf.enable_outer_checksum_offload &&
714 (di.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO))
716 xd->port_conf.txmode.offloads |=
717 DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
718 hi->caps |= VNET_HW_IF_CAP_VXLAN_TNL_GSO;
722 clib_warning ("%s: TCP/UDP checksum offload must be enabled",
726 dpdk_device_setup (xd);
728 /* rss queues should be configured after dpdk_device_setup() */
729 if ((hi != NULL) && (devconf->rss_queues != NULL))
731 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
732 devconf->rss_queues))
734 clib_warning ("%s: Failed to set rss queues", hi->name);
738 if (vec_len (xd->errors))
739 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
740 format_dpdk_device_name, port_id,
741 format_dpdk_device_errors, xd);
748 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
750 vlib_main_t *vm = vlib_get_main ();
753 int num_whitelisted = vec_len (conf->dev_confs);
754 vlib_pci_device_info_t *d = 0;
755 vlib_pci_addr_t *addr = 0, *addrs;
758 addrs = vlib_pci_get_all_dev_addrs ();
760 vec_foreach (addr, addrs)
762 dpdk_device_config_t * devconf = 0;
763 vec_reset_length (pci_addr);
764 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
767 vlib_pci_free_device_info (d);
770 d = vlib_pci_get_device_info (vm, addr, &error);
773 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
774 clib_error_free (error);
778 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
783 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
791 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
794 /* Enforce Device blacklist by vendor and device */
795 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
798 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
799 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
800 if (d->vendor_id == vendor && d->device_id == device)
803 * Expected case: device isn't whitelisted,
808 /* Device is blacklisted */
809 pool_get (conf->dev_confs, devconf);
810 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
811 devconf - conf->dev_confs);
812 devconf->pci_addr.as_u32 = addr->as_u32;
813 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
814 devconf->is_blacklisted = 1;
817 else /* explicitly whitelisted, ignore the device blacklist */
823 if (d->vendor_id == 0x1af4 &&
824 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
825 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
828 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
831 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
832 * the default is to put it in the blacklist.
836 pool_get (conf->dev_confs, devconf);
837 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
838 devconf - conf->dev_confs);
839 devconf->pci_addr.as_u32 = addr->as_u32;
840 devconf->is_blacklisted = 1;
843 /* all Intel network devices */
844 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
846 /* all Intel QAT devices VFs */
847 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
848 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
849 d->device_id == 0x37c9 || d->device_id == 0x6f55))
852 else if (d->vendor_id == 0x1137 &&
853 (d->device_id == 0x0043 || d->device_id == 0x0071))
856 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
858 /* Amazon Elastic Network Adapter */
859 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
861 /* Cavium Network Adapter */
862 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
864 /* Cavium FastlinQ QL41000 Series */
865 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
867 /* Mellanox CX3, CX3VF */
868 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
872 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
873 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
877 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
878 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
882 /* Broadcom NetXtreme S, and E series only */
883 else if (d->vendor_id == 0x14e4 &&
884 ((d->device_id >= 0x16c0 &&
885 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
886 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
887 d->device_id != 0x16fd && d->device_id != 0x16fe &&
888 d->device_id != 0x170d && d->device_id != 0x170c &&
889 d->device_id != 0x170e && d->device_id != 0x1712 &&
890 d->device_id != 0x1713) ||
891 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
892 d->device_id == 0x1614 || d->device_id == 0x1606 ||
893 d->device_id == 0x1609 || d->device_id == 0x1614)))
897 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
898 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
903 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
909 pool_get (conf->dev_confs, devconf);
910 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
911 devconf - conf->dev_confs);
912 devconf->pci_addr.as_u32 = addr->as_u32;
914 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
915 devconf->is_blacklisted = 1;
916 clib_error_report (error);
921 vlib_pci_free_device_info (d);
925 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
928 vlib_vmbus_addr_t *addrs, *addr = 0;
929 int num_whitelisted = vec_len (conf->dev_confs);
932 addrs = vlib_vmbus_get_all_dev_addrs ();
935 vec_foreach (addr, addrs)
937 dpdk_device_config_t *devconf = 0;
941 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
944 /* No devices blacklisted, but have whitelisted. blacklist all
946 pool_get (conf->dev_confs, devconf);
947 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
948 devconf - conf->dev_confs, 0);
949 devconf->vmbus_addr = *addr;
950 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
951 devconf->is_blacklisted = 1;
956 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
959 /* Enforce Device blacklist by vmbus_addr */
960 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
962 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
963 vlib_vmbus_addr_t *a2 = addr;
964 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
968 /* Device not whitelisted */
969 pool_get (conf->dev_confs, devconf);
970 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
971 devconf - conf->dev_confs, 0);
972 devconf->vmbus_addr = *addr;
973 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
974 devconf->is_blacklisted = 1;
984 error = vlib_vmbus_bind_to_uio (addr);
989 pool_get (conf->dev_confs, devconf);
990 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
991 devconf - conf->dev_confs, 0);
992 devconf->vmbus_addr = *addr;
994 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
995 devconf->is_blacklisted = 1;
996 clib_error_report (error);
1003 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
1005 uword *max_simd_bitwidth = va_arg (*va, uword *);
1007 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1009 if (!unformat (input, "%u", max_simd_bitwidth))
1012 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
1013 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
1021 static clib_error_t *
1022 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
1023 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
1026 clib_error_t *error = 0;
1028 dpdk_device_config_t *devconf = 0;
1029 unformat_input_t sub_input;
1033 devconf = &conf->default_devconf;
1035 else if (addr_type == VNET_DEV_ADDR_PCI)
1037 p = hash_get (conf->device_config_index_by_pci_addr,
1038 ((vlib_pci_addr_t *) (addr))->as_u32);
1042 pool_get (conf->dev_confs, devconf);
1043 hash_set (conf->device_config_index_by_pci_addr,
1044 ((vlib_pci_addr_t *) (addr))->as_u32,
1045 devconf - conf->dev_confs);
1048 return clib_error_return (0,
1049 "duplicate configuration for PCI address %U",
1050 format_vlib_pci_addr, addr);
1052 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1054 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
1055 (vlib_vmbus_addr_t *) (addr));
1059 pool_get (conf->dev_confs, devconf);
1060 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1061 devconf - conf->dev_confs, 0);
1064 return clib_error_return (
1065 0, "duplicate configuration for VMBUS address %U",
1066 format_vlib_vmbus_addr, addr);
1069 if (addr_type == VNET_DEV_ADDR_PCI)
1071 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
1072 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1073 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1075 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1077 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
1078 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1079 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1085 unformat_skip_white_space (input);
1086 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1088 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1090 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1092 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1094 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1096 else if (unformat (input, "name %s", &devconf->name))
1098 else if (unformat (input, "workers %U", unformat_bitmap_list,
1103 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1105 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1109 else if (unformat (input, "tso on"))
1111 devconf->tso = DPDK_DEVICE_TSO_ON;
1113 else if (unformat (input, "tso off"))
1115 devconf->tso = DPDK_DEVICE_TSO_OFF;
1117 else if (unformat (input, "devargs %s", &devconf->devargs))
1119 else if (unformat (input, "rss-queues %U",
1120 unformat_bitmap_list, &devconf->rss_queues))
1122 else if (unformat (input, "max-lro-pkt-size %u",
1123 &devconf->max_lro_pkt_size))
1127 error = clib_error_return (0, "unknown input `%U'",
1128 format_unformat_error, input);
1136 if (devconf->workers && devconf->num_rx_queues == 0)
1137 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1138 else if (devconf->workers &&
1139 clib_bitmap_count_set_bits (devconf->workers) !=
1140 devconf->num_rx_queues)
1141 error = clib_error_return (0,
1142 "%U: number of worker threads must be "
1143 "equal to number of rx queues",
1144 format_vlib_pci_addr, addr);
1149 static clib_error_t *
1150 dpdk_log_read_ready (clib_file_t * uf)
1152 unformat_input_t input;
1159 uword len = vec_len (s);
1160 vec_resize (s, len + n_try);
1162 n = read (uf->file_descriptor, s + len, n_try);
1163 if (n < 0 && errno != EAGAIN)
1164 return clib_error_return_unix (0, "read");
1165 _vec_len (s) = len + (n < 0 ? 0 : n);
1168 unformat_init_vector (&input, s);
1170 while (unformat_user (&input, unformat_line, &line))
1172 dpdk_log_notice ("%v", line);
1176 unformat_free (&input);
1180 static clib_error_t *
1181 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1183 dpdk_main_t *dm = &dpdk_main;
1184 clib_error_t *error = 0;
1185 dpdk_config_main_t *conf = &dpdk_config_main;
1186 vlib_thread_main_t *tm = vlib_get_thread_main ();
1187 dpdk_device_config_t *devconf;
1188 vlib_pci_addr_t pci_addr = { 0 };
1189 vlib_vmbus_addr_t vmbus_addr = { 0 };
1190 unformat_input_t sub_input;
1191 uword default_hugepage_sz, x;
1194 int num_whitelisted = 0;
1195 int eal_no_hugetlb = 0;
1200 u8 *huge_dir_path = 0;
1201 u32 vendor, device, domain, bus, func;
1204 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1206 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1207 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1208 sizeof (vlib_vmbus_addr_t));
1210 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1212 /* Prime the pump */
1213 if (unformat (input, "no-hugetlb"))
1215 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1218 else if (unformat (input, "telemetry"))
1219 conf->enable_telemetry = 1;
1221 else if (unformat (input, "enable-tcp-udp-checksum"))
1223 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1224 if (unformat (input, "enable-outer-checksum-offload"))
1225 dm->default_port_conf.enable_outer_checksum_offload = 1;
1227 else if (unformat (input, "no-tx-checksum-offload"))
1228 dm->default_port_conf.no_tx_checksum_offload = 1;
1230 else if (unformat (input, "decimal-interface-names"))
1231 conf->interface_name_format_decimal = 1;
1233 else if (unformat (input, "no-multi-seg"))
1234 dm->default_port_conf.no_multi_seg = 1;
1235 else if (unformat (input, "enable-lro"))
1236 dm->default_port_conf.enable_lro = 1;
1237 else if (unformat (input, "max-simd-bitwidth %U",
1238 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1240 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1244 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1251 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1252 unformat_vlib_cli_sub_input, &sub_input))
1254 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1262 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1265 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1272 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1273 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1275 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1283 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1287 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1294 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1296 else if (unformat (input, "socket-mem %s", &socket_mem))
1298 else if (unformat (input, "no-pci"))
1301 tmp = format (0, "--no-pci%c", 0);
1302 vec_add1 (conf->eal_init_args, tmp);
1304 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1307 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1311 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1313 tmp = format (0, "-b%c", 0);
1314 vec_add1 (conf->eal_init_args, tmp);
1316 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1317 vec_add1 (conf->eal_init_args, tmp);
1319 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1321 u32 blacklist_entry;
1322 if (vendor > 0xFFFF)
1323 return clib_error_return (0, "blacklist PCI vendor out of range");
1324 if (device > 0xFFFF)
1325 return clib_error_return (0, "blacklist PCI device out of range");
1326 blacklist_entry = (vendor << 16) | (device & 0xffff);
1327 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1330 else if (unformat (input, "no-vmbus"))
1333 tmp = format (0, "--no-vmbus%c", 0);
1334 vec_add1 (conf->eal_init_args, tmp);
1338 else if (unformat(input, #a)) \
1340 tmp = format (0, "--%s%c", #a, 0); \
1341 vec_add1 (conf->eal_init_args, tmp); \
1343 foreach_eal_double_hyphen_predicate_arg
1346 else if (unformat(input, #a " %s", &s)) \
1348 if (!strncmp(#a, "file-prefix", 11)) \
1350 tmp = format (0, "--%s%c", #a, 0); \
1351 vec_add1 (conf->eal_init_args, tmp); \
1353 if (!strncmp(#a, "vdev", 4)) \
1354 if (strstr((char*)s, "af_packet")) \
1355 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1356 vec_add1 (conf->eal_init_args, s); \
1358 foreach_eal_double_hyphen_arg
1361 else if (unformat(input, #a " %s", &s)) \
1363 tmp = format (0, "-%s%c", #b, 0); \
1364 vec_add1 (conf->eal_init_args, tmp); \
1366 vec_add1 (conf->eal_init_args, s); \
1368 foreach_eal_single_hyphen_arg
1370 else if (unformat (input, "default"))
1373 else if (unformat_skip_white_space (input))
1377 error = clib_error_return (0, "unknown input `%U'",
1378 format_unformat_error, input);
1383 if (!conf->uio_driver_name)
1384 conf->uio_driver_name = format (0, "auto%c", 0);
1386 if (eal_no_hugetlb == 0)
1388 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1390 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1393 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1397 /* preallocate at least 16MB of hugepages per socket,
1398 if more is needed it is up to consumer to preallocate more */
1399 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1400 n_pages /= default_hugepage_sz;
1402 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1403 clib_error_report (e);
1408 /* on/off dpdk's telemetry thread */
1409 if (conf->enable_telemetry == 0)
1411 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1416 tmp = format (0, "--file-prefix%c", 0);
1417 vec_add1 (conf->eal_init_args, tmp);
1418 tmp = format (0, "vpp%c", 0);
1419 vec_add1 (conf->eal_init_args, tmp);
1425 if (no_pci == 0 && geteuid () == 0)
1426 dpdk_bind_devices_to_uio (conf);
1428 if (no_vmbus == 0 && geteuid () == 0)
1429 dpdk_bind_vmbus_devices_to_uio (conf);
1432 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1433 devconf->x = conf->default_devconf.x ;
1435 pool_foreach (devconf, conf->dev_confs) {
1437 /* default per-device config items */
1438 foreach_dpdk_device_config_item
1440 /* copy tso config from default device */
1443 /* copy tso config from default device */
1446 /* copy rss_queues config from default device */
1449 /* add DPDK EAL whitelist/blacklist entry */
1450 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1451 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1453 tmp = format (0, "-a%c", 0);
1454 vec_add1 (conf->eal_init_args, tmp);
1455 if (devconf->devargs)
1457 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1458 &devconf->pci_addr, devconf->devargs, 0);
1462 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1464 vec_add1 (conf->eal_init_args, tmp);
1466 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1467 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1469 tmp = format (0, "-b%c", 0);
1470 vec_add1 (conf->eal_init_args, tmp);
1471 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1472 vec_add1 (conf->eal_init_args, tmp);
1479 clib_warning ("socket-mem argument is deprecated");
1481 /* NULL terminate the "argv" vector, in case of stupidity */
1482 vec_add1 (conf->eal_init_args, 0);
1483 _vec_len (conf->eal_init_args) -= 1;
1485 /* Set up DPDK eal and packet mbuf pool early. */
1487 int log_fds[2] = { 0 };
1488 if (pipe (log_fds) == 0)
1490 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1492 FILE *f = fdopen (log_fds[1], "a");
1493 if (f && rte_openlog_stream (f) == 0)
1495 clib_file_t t = { 0 };
1496 t.read_function = dpdk_log_read_ready;
1497 t.file_descriptor = log_fds[0];
1498 t.description = format (0, "DPDK logging pipe");
1499 clib_file_add (&file_main, &t);
1509 vm = vlib_get_main ();
1511 /* make copy of args as rte_eal_init tends to mess up with arg array */
1512 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1513 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1514 conf->eal_init_args[i]);
1516 vec_terminate_c_string (conf->eal_init_args_str);
1518 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1519 ret = rte_eal_init (vec_len (conf->eal_init_args),
1520 (char **) conf->eal_init_args);
1522 /* enable the AVX-512 vPMDs in DPDK */
1523 if (clib_cpu_supports_avx512_bitalg () &&
1524 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1525 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1526 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1527 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1528 DPDK_MAX_SIMD_BITWIDTH_256 ?
1532 /* lazy umount hugepages */
1533 umount2 ((char *) huge_dir_path, MNT_DETACH);
1534 rmdir ((char *) huge_dir_path);
1535 vec_free (huge_dir_path);
1538 return clib_error_return (0, "rte_eal_init returned %d", ret);
1540 /* main thread 1st */
1541 if ((error = dpdk_buffer_pools_create (vm)))
1548 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1551 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1553 vnet_main_t *vnm = vnet_get_main ();
1554 struct rte_eth_link prev_link = xd->link;
1556 u8 hw_flags_chg = 0;
1558 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1559 clib_memset (&xd->link, 0, sizeof (xd->link));
1560 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1562 if (LINK_STATE_ELOGS)
1564 ELOG_TYPE_DECLARE (e) =
1567 "update-link-state: sw_if_index %d, admin_up %d,"
1568 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1577 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1578 ed->sw_if_index = xd->sw_if_index;
1579 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1580 ed->old_link_state = (u8)
1581 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1582 ed->new_link_state = (u8) xd->link.link_status;
1585 if ((xd->link.link_duplex != prev_link.link_duplex))
1588 switch (xd->link.link_duplex)
1590 case ETH_LINK_HALF_DUPLEX:
1591 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1593 case ETH_LINK_FULL_DUPLEX:
1594 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1600 if (xd->link.link_speed != prev_link.link_speed)
1601 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1602 xd->link.link_speed * 1000);
1604 if (xd->link.link_status != prev_link.link_status)
1608 if (xd->link.link_status)
1609 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1614 if (LINK_STATE_ELOGS)
1616 ELOG_TYPE_DECLARE (e) =
1619 "update-link-state: sw_if_index %d, new flags %d",.format_args
1627 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1628 ed->sw_if_index = xd->sw_if_index;
1629 ed->flags = hw_flags;
1631 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1636 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1638 clib_error_t *error;
1639 dpdk_main_t *dm = &dpdk_main;
1641 vlib_thread_main_t *tm = vlib_get_thread_main ();
1643 error = dpdk_lib_init (dm);
1646 clib_error_report (error);
1648 if (dpdk_cryptodev_init)
1650 error = dpdk_cryptodev_init (vm);
1653 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1655 clib_error_free (error);
1659 tm->worker_thread_release = 1;
1661 f64 now = vlib_time_now (vm);
1662 vec_foreach (xd, dm->devices)
1664 dpdk_update_link_state (xd, now);
1670 * check each time through the loop in case intervals are changed
1672 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1673 dm->link_state_poll_interval : dm->stat_poll_interval;
1675 vlib_process_wait_for_event_or_clock (vm, min_wait);
1677 if (dm->admin_up_down_in_progress)
1678 /* skip the poll if an admin up down is in progress (on any interface) */
1681 vec_foreach (xd, dm->devices)
1683 f64 now = vlib_time_now (vm);
1684 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1685 dpdk_update_counters (xd, now);
1686 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1687 dpdk_update_link_state (xd, now);
1696 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1697 .function = dpdk_process,
1698 .type = VLIB_NODE_TYPE_PROCESS,
1699 .name = "dpdk-process",
1700 .process_log2_n_stack_bytes = 17,
1704 static clib_error_t *
1705 dpdk_init (vlib_main_t * vm)
1707 dpdk_main_t *dm = &dpdk_main;
1708 clib_error_t *error = 0;
1710 /* verify that structs are cacheline aligned */
1711 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1712 "Cache line marker must be 1st element in dpdk_device_t");
1713 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1714 CLIB_CACHE_LINE_BYTES,
1715 "Data in cache line 0 is bigger than cache line size");
1716 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1717 "Cache line marker must be 1st element in frame_queue_trace_t");
1719 dpdk_cli_reference ();
1721 dm->conf = &dpdk_config_main;
1723 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1725 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1726 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1728 dm->log_default = vlib_log_register_class ("dpdk", 0);
1729 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1734 VLIB_INIT_FUNCTION (dpdk_init);
1736 static clib_error_t *
1737 dpdk_worker_thread_init (vlib_main_t *vm)
1739 if (rte_thread_register () < 0)
1740 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1741 rte_strerror (rte_errno));
1745 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);