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 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
101 dpdk_device_setup (xd);
107 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
109 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
110 rte_eth_promiscuous_enable (xd->port_id);
112 rte_eth_promiscuous_disable (xd->port_id);
119 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
121 return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
124 /* The function check_l3cache helps check if Level 3 cache exists or not on current CPUs
125 return value 1: exist.
126 return value 0: not exist.
134 const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache";
135 DIR *dir_cache = opendir (sys_cache_dir);
137 if (dir_cache == NULL)
140 while ((dp = readdir (dir_cache)) != NULL)
142 if (dp->d_type == DT_DIR)
145 int level_cache = -1;
147 p = format (p, "%s/%s/%s%c", sys_cache_dir, dp->d_name, "level", 0);
148 if ((err = clib_sysfs_read ((char *) p, "%d", &level_cache)))
149 clib_error_free (err);
151 if (level_cache == 3)
153 closedir (dir_cache);
159 if (dir_cache != NULL)
160 closedir (dir_cache);
166 dpdk_enable_l4_csum_offload (dpdk_device_t * xd)
168 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
169 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
170 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
171 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
174 static clib_error_t *
175 dpdk_lib_init (dpdk_main_t * dm)
177 vnet_main_t *vnm = vnet_get_main ();
179 u32 mtu, max_rx_frame;
182 vlib_main_t *vm = vlib_get_main ();
183 vlib_thread_main_t *tm = vlib_get_thread_main ();
184 vnet_device_main_t *vdm = &vnet_device_main;
185 vnet_sw_interface_t *sw;
186 vnet_hw_interface_t *hi;
188 vlib_pci_addr_t last_pci_addr;
189 u32 last_pci_addr_port = 0;
190 u8 af_packet_instance_num = 0;
191 last_pci_addr.as_u32 = ~0;
193 nports = rte_eth_dev_count_avail ();
197 dpdk_log_notice ("DPDK drivers found no Ethernet devices...");
201 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
203 /* vlib_buffer_t template */
204 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
205 CLIB_CACHE_LINE_BYTES);
206 for (int i = 0; i < tm->n_vlib_mains; i++)
208 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
209 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
210 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
213 /* device config defaults */
214 dm->default_port_conf.n_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
215 dm->default_port_conf.n_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
216 dm->default_port_conf.n_rx_queues = 1;
217 dm->default_port_conf.n_tx_queues = tm->n_vlib_mains;
219 if ((clib_mem_get_default_hugepage_size () == 2 << 20) &&
220 check_l3cache () == 0)
221 dm->default_port_conf.n_rx_desc = dm->default_port_conf.n_tx_desc = 512;
223 RTE_ETH_FOREACH_DEV (port_id)
226 struct rte_eth_dev_info di;
227 struct rte_pci_device *pci_dev;
228 struct rte_vmbus_device *vmbus_dev;
229 dpdk_portid_t next_port_id;
230 dpdk_device_config_t *devconf = 0;
231 vlib_pci_addr_t pci_addr;
232 vlib_vmbus_addr_t vmbus_addr;
235 if (!rte_eth_dev_is_valid_port (port_id))
238 rte_eth_dev_info_get (port_id, &di);
242 dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
247 pci_dev = dpdk_get_pci_device (&di);
251 pci_addr.domain = pci_dev->addr.domain;
252 pci_addr.bus = pci_dev->addr.bus;
253 pci_addr.slot = pci_dev->addr.devid;
254 pci_addr.function = pci_dev->addr.function;
255 p = hash_get (dm->conf->device_config_index_by_pci_addr,
259 vmbus_dev = dpdk_get_vmbus_device (&di);
263 unformat_input_t input_vmbus;
264 unformat_init_string (&input_vmbus, di.device->name,
265 strlen (di.device->name));
266 if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr,
269 p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
272 unformat_free (&input_vmbus);
277 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
278 /* If device is blacklisted, we should skip it */
279 if (devconf->is_blacklisted)
285 devconf = &dm->conf->default_devconf;
287 /* Create vnet interface */
288 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
289 xd->cpu_socket = (i8) rte_eth_dev_socket_id (port_id);
290 clib_memcpy (&xd->conf, &dm->default_port_conf,
291 sizeof (dpdk_port_conf_t));
295 xd->name = devconf->name;
298 /* Handle representor devices that share the same PCI ID */
299 if (di.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
301 if (di.switch_info.port_id != (uint16_t) -1)
302 xd->interface_name_suffix =
303 format (0, "%d", di.switch_info.port_id);
305 /* Handle interface naming for devices with multiple ports sharing same
307 else if (pci_dev && ((next_port_id = rte_eth_find_next (port_id + 1)) !=
310 struct rte_eth_dev_info next_di = { 0 };
311 struct rte_pci_device *next_pci_dev;
312 rte_eth_dev_info_get (next_port_id, &next_di);
313 next_pci_dev = next_di.device ? RTE_DEV_TO_PCI (next_di.device) : 0;
314 if (next_pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
315 memcmp (&pci_dev->addr, &next_pci_dev->addr,
316 sizeof (struct rte_pci_addr)) == 0)
318 xd->interface_name_suffix = format (0, "0");
319 last_pci_addr.as_u32 = pci_addr.as_u32;
320 last_pci_addr_port = port_id;
322 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
324 xd->interface_name_suffix =
325 format (0, "%u", port_id - last_pci_addr_port);
329 last_pci_addr.as_u32 = ~0;
333 last_pci_addr.as_u32 = ~0;
335 if (di.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
337 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
338 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
341 if (xd->conf.enable_tcp_udp_checksum)
343 if (di.rx_offload_capa & DEV_RX_OFFLOAD_UDP_CKSUM)
344 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_UDP_CKSUM;
345 if (di.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
346 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_CKSUM;
347 if (di.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
348 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
350 if (xd->conf.enable_outer_checksum_offload)
352 if (di.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
353 xd->port_conf.txmode.offloads |=
354 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
355 if (di.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
356 xd->port_conf.txmode.offloads |=
357 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM;
361 if (xd->conf.enable_lro)
363 if (di.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
365 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_LRO;
366 if (devconf->max_lro_pkt_size)
367 xd->port_conf.rxmode.max_lro_pkt_size =
368 devconf->max_lro_pkt_size;
370 xd->port_conf.rxmode.max_lro_pkt_size =
371 DPDK_MAX_LRO_SIZE_DEFAULT;
374 if (xd->conf.no_multi_seg)
376 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
377 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
378 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
382 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
383 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
384 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
385 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
388 xd->conf.n_tx_queues = clib_min (di.max_tx_queues, xd->conf.n_tx_queues);
390 if (devconf->num_tx_queues > 0 &&
391 devconf->num_tx_queues < xd->conf.n_tx_queues)
392 xd->conf.n_tx_queues = devconf->num_tx_queues;
394 if (devconf->num_rx_queues > 1 &&
395 di.max_rx_queues >= devconf->num_rx_queues)
397 xd->conf.n_rx_queues = devconf->num_rx_queues;
398 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
399 if (devconf->rss_fn == 0)
400 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
401 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
404 u64 unsupported_bits;
405 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
406 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
407 unsupported_bits &= ~di.flow_type_rss_offloads;
408 if (unsupported_bits)
409 dpdk_log_warn ("Unsupported RSS hash functions: %U",
410 format_dpdk_rss_hf_name, unsupported_bits);
412 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
413 di.flow_type_rss_offloads;
416 vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
417 CLIB_CACHE_LINE_BYTES);
419 /* workaround for drivers not setting driver_name */
420 if ((!di.driver_name) && (pci_dev))
421 di.driver_name = pci_dev->driver->driver.name;
423 ASSERT (di.driver_name);
429 else if (di.driver_name && !strcmp (di.driver_name, s)) xd->pmd = \
435 else xd->pmd = VNET_DPDK_PMD_UNKNOWN;
437 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
441 /* Drivers with valid speed_capa set */
442 case VNET_DPDK_PMD_I40E:
443 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
445 case VNET_DPDK_PMD_E1000EM:
446 case VNET_DPDK_PMD_IGB:
447 case VNET_DPDK_PMD_IGC:
448 case VNET_DPDK_PMD_IXGBE:
449 case VNET_DPDK_PMD_ICE:
450 xd->port_type = port_type_from_speed_capa (&di);
451 xd->supported_flow_actions =
452 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
453 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
454 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
455 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
457 if (xd->conf.no_tx_checksum_offload == 0)
459 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
460 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
461 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
462 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
465 xd->port_conf.intr_conf.rxq = 1;
467 case VNET_DPDK_PMD_MLX5:
468 if (xd->conf.no_tx_checksum_offload == 0)
470 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
471 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
472 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
473 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
475 xd->port_type = port_type_from_speed_capa (&di);
477 case VNET_DPDK_PMD_CXGBE:
478 case VNET_DPDK_PMD_MLX4:
479 case VNET_DPDK_PMD_QEDE:
480 case VNET_DPDK_PMD_BNXT:
481 xd->port_type = port_type_from_speed_capa (&di);
485 case VNET_DPDK_PMD_I40EVF:
486 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
488 case VNET_DPDK_PMD_IGBVF:
489 case VNET_DPDK_PMD_IXGBEVF:
490 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
491 if (xd->conf.no_tx_checksum_offload == 0)
493 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
494 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
495 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
496 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
498 /* DPDK bug in multiqueue... */
499 /* xd->port_conf.intr_conf.rxq = 1; */
503 case VNET_DPDK_PMD_IAVF:
504 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
505 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
506 xd->supported_flow_actions =
507 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
508 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
509 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
510 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
512 if (xd->conf.no_tx_checksum_offload == 0)
514 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
515 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
516 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
517 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
519 /* DPDK bug in multiqueue... */
520 /* xd->port_conf.intr_conf.rxq = 1; */
523 case VNET_DPDK_PMD_THUNDERX:
524 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
526 if (xd->conf.no_tx_checksum_offload == 0)
528 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
529 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
530 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
534 case VNET_DPDK_PMD_ENA:
535 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
536 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
537 xd->port_conf.intr_conf.rxq = 1;
538 if (xd->conf.no_tx_checksum_offload == 0)
540 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
541 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
542 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
543 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
547 case VNET_DPDK_PMD_DPAA2:
548 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
552 case VNET_DPDK_PMD_ENIC:
554 xd->port_type = port_type_from_speed_capa (&di);
555 if (xd->conf.enable_tcp_udp_checksum)
556 dpdk_enable_l4_csum_offload (xd);
560 /* Intel Red Rock Canyon */
561 case VNET_DPDK_PMD_FM10K:
562 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
566 case VNET_DPDK_PMD_VIRTIO:
567 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
568 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
569 xd->conf.n_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
570 xd->conf.n_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
572 * Enable use of RX interrupts if supported.
574 * There is no device flag or capability for this, so
575 * use the same check that the virtio driver does.
577 if (pci_dev && rte_intr_cap_multiple (&pci_dev->intr_handle))
578 xd->port_conf.intr_conf.rxq = 1;
582 case VNET_DPDK_PMD_VMXNET3:
583 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
584 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
585 /* TCP csum offload not working although udp might work. Left
586 * disabled for now */
587 if (0 && (xd->conf.no_tx_checksum_offload == 0))
589 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
590 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
591 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
592 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
596 case VNET_DPDK_PMD_AF_PACKET:
597 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
598 xd->af_packet_instance_num = af_packet_instance_num++;
601 case VNET_DPDK_PMD_VIRTIO_USER:
602 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
605 case VNET_DPDK_PMD_VHOST_ETHER:
606 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
609 case VNET_DPDK_PMD_LIOVF_ETHER:
610 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
613 case VNET_DPDK_PMD_FAILSAFE:
614 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
615 xd->port_conf.intr_conf.lsc = 1;
618 case VNET_DPDK_PMD_NETVSC:
620 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
625 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
629 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
631 f64 now = vlib_time_now (vm);
633 rnd = (u32) (now * 1e6);
634 rnd = random_u32 (&rnd);
635 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
640 rte_eth_macaddr_get (port_id, (void *) addr);
642 xd->port_id = port_id;
643 xd->device_index = xd - dm->devices;
644 xd->per_interface_next_index = ~0;
646 /* assign interface to input thread */
649 error = ethernet_register_interface (
650 vnm, dpdk_device_class.index, xd->device_index,
651 /* ethernet address */ addr, &xd->hw_if_index, dpdk_flag_change);
656 * Ensure default mtu is not > the mtu read from the hardware.
657 * Otherwise rte_eth_dev_configure() will fail and the port will
659 * Calculate max_frame_size and mtu supported by NIC
661 if (ETHERNET_MAX_PACKET_BYTES > di.max_rx_pktlen)
664 * This device does not support the platforms's max frame
665 * size. Use it's advertised mru instead.
667 max_rx_frame = di.max_rx_pktlen;
668 mtu = di.max_rx_pktlen - sizeof (ethernet_header_t);
672 /* VPP treats MTU and max_rx_pktlen both equal to
673 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
674 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
676 if (di.max_rx_pktlen >=
677 (ETHERNET_MAX_PACKET_BYTES + sizeof (ethernet_header_t)))
679 mtu = ETHERNET_MAX_PACKET_BYTES;
680 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
683 * Some platforms do not account for Ethernet FCS (4 bytes) in
684 * MTU calculations. To interop with them increase mru but only
685 * if the device's settings can support it.
687 if (dpdk_port_crc_strip_enabled (xd) &&
688 (di.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
689 sizeof (ethernet_header_t) + 4)))
696 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
697 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
699 if (dpdk_port_crc_strip_enabled (xd) &&
700 (di.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
707 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
709 /* failsafe device numerables are reported with active device only,
710 * need to query the mtu for current device setup to overwrite
714 if (!rte_eth_dev_get_mtu (port_id, &dev_mtu))
717 max_rx_frame = mtu + sizeof (ethernet_header_t);
719 if (dpdk_port_crc_strip_enabled (xd))
726 /*Set port rxmode config */
727 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
729 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
730 xd->sw_if_index = sw->sw_if_index;
731 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
733 if (devconf->workers)
737 clib_bitmap_foreach (j, devconf->workers)
739 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
740 rxq->queue_index = vnet_hw_if_register_rx_queue (
741 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
745 for (q = 0; q < xd->conf.n_rx_queues; q++)
747 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
748 rxq->queue_index = vnet_hw_if_register_rx_queue (
749 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
752 vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
754 /*Get vnet hardware interface */
755 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
757 /*Override default max_packet_bytes and max_supported_bytes set in
758 * ethernet_register_interface() above*/
761 hi->max_packet_bytes = mtu;
762 hi->max_supported_packet_bytes = max_rx_frame;
763 hi->numa_node = xd->cpu_socket;
765 /* Indicate ability to support L3 DMAC filtering and
766 * initialize interface to L3 non-promisc mode */
767 hi->caps |= VNET_HW_IF_CAP_MAC_FILTER;
768 ethernet_set_flags (vnm, xd->hw_if_index,
769 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
772 if (xd->conf.no_tx_checksum_offload == 0)
773 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
775 hi->caps |= VNET_HW_IF_CAP_TX_IP4_CKSUM |
776 VNET_HW_IF_CAP_TX_TCP_CKSUM |
777 VNET_HW_IF_CAP_TX_UDP_CKSUM;
778 if (xd->conf.enable_outer_checksum_offload)
780 hi->caps |= VNET_HW_IF_CAP_TX_IP4_OUTER_CKSUM |
781 VNET_HW_IF_CAP_TX_UDP_OUTER_CKSUM;
784 if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
786 /*tcp_udp checksum must be enabled*/
787 if ((xd->conf.enable_tcp_udp_checksum) &&
788 (hi->caps & VNET_HW_IF_CAP_TX_CKSUM))
790 hi->caps |= VNET_HW_IF_CAP_TCP_GSO;
791 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO;
793 if (xd->conf.enable_outer_checksum_offload &&
794 (di.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO))
796 xd->port_conf.txmode.offloads |=
797 DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
798 hi->caps |= VNET_HW_IF_CAP_VXLAN_TNL_GSO;
802 clib_warning ("%s: TCP/UDP checksum offload must be enabled",
806 dpdk_device_setup (xd);
808 /* rss queues should be configured after dpdk_device_setup() */
809 if ((hi != NULL) && (devconf->rss_queues != NULL))
811 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
812 devconf->rss_queues))
814 clib_warning ("%s: Failed to set rss queues", hi->name);
818 if (vec_len (xd->errors))
819 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
820 format_dpdk_device_name, port_id,
821 format_dpdk_device_errors, xd);
824 hi->max_packet_bytes =
825 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
827 dpdk_log_warn ("hi NULL");
829 if (xd->conf.no_multi_seg)
830 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
832 rte_eth_dev_set_mtu (xd->port_id, mtu);
839 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
841 vlib_main_t *vm = vlib_get_main ();
844 int num_whitelisted = vec_len (conf->dev_confs);
845 vlib_pci_device_info_t *d = 0;
846 vlib_pci_addr_t *addr = 0, *addrs;
849 addrs = vlib_pci_get_all_dev_addrs ();
851 vec_foreach (addr, addrs)
853 dpdk_device_config_t * devconf = 0;
854 vec_reset_length (pci_addr);
855 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
858 vlib_pci_free_device_info (d);
861 d = vlib_pci_get_device_info (vm, addr, &error);
864 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
865 clib_error_free (error);
869 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
874 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
882 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
885 /* Enforce Device blacklist by vendor and device */
886 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
889 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
890 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
891 if (d->vendor_id == vendor && d->device_id == device)
894 * Expected case: device isn't whitelisted,
899 /* Device is blacklisted */
900 pool_get (conf->dev_confs, devconf);
901 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
902 devconf - conf->dev_confs);
903 devconf->pci_addr.as_u32 = addr->as_u32;
904 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
905 devconf->is_blacklisted = 1;
908 else /* explicitly whitelisted, ignore the device blacklist */
914 if (d->vendor_id == 0x1af4 &&
915 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
916 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
919 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
922 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
923 * the default is to put it in the blacklist.
927 pool_get (conf->dev_confs, devconf);
928 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
929 devconf - conf->dev_confs);
930 devconf->pci_addr.as_u32 = addr->as_u32;
931 devconf->is_blacklisted = 1;
934 /* all Intel network devices */
935 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
937 /* all Intel QAT devices VFs */
938 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
939 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
940 d->device_id == 0x37c9 || d->device_id == 0x6f55))
943 else if (d->vendor_id == 0x1137 &&
944 (d->device_id == 0x0043 || d->device_id == 0x0071))
947 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
949 /* Amazon Elastic Network Adapter */
950 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
952 /* Cavium Network Adapter */
953 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
955 /* Cavium FastlinQ QL41000 Series */
956 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
958 /* Mellanox CX3, CX3VF */
959 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
963 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
964 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
968 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
969 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
973 /* Broadcom NetXtreme S, and E series only */
974 else if (d->vendor_id == 0x14e4 &&
975 ((d->device_id >= 0x16c0 &&
976 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
977 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
978 d->device_id != 0x16fd && d->device_id != 0x16fe &&
979 d->device_id != 0x170d && d->device_id != 0x170c &&
980 d->device_id != 0x170e && d->device_id != 0x1712 &&
981 d->device_id != 0x1713) ||
982 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
983 d->device_id == 0x1614 || d->device_id == 0x1606 ||
984 d->device_id == 0x1609 || d->device_id == 0x1614)))
988 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
989 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
994 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
1000 pool_get (conf->dev_confs, devconf);
1001 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
1002 devconf - conf->dev_confs);
1003 devconf->pci_addr.as_u32 = addr->as_u32;
1005 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1006 devconf->is_blacklisted = 1;
1007 clib_error_report (error);
1011 vec_free (pci_addr);
1012 vlib_pci_free_device_info (d);
1016 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
1018 clib_error_t *error;
1019 vlib_vmbus_addr_t *addrs, *addr = 0;
1020 int num_whitelisted = vec_len (conf->dev_confs);
1023 addrs = vlib_vmbus_get_all_dev_addrs ();
1026 vec_foreach (addr, addrs)
1028 dpdk_device_config_t *devconf = 0;
1029 if (num_whitelisted)
1032 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
1035 /* No devices blacklisted, but have whitelisted. blacklist all
1036 * non-whitelisted */
1037 pool_get (conf->dev_confs, devconf);
1038 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1039 devconf - conf->dev_confs, 0);
1040 devconf->vmbus_addr = *addr;
1041 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1042 devconf->is_blacklisted = 1;
1047 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
1050 /* Enforce Device blacklist by vmbus_addr */
1051 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
1053 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
1054 vlib_vmbus_addr_t *a2 = addr;
1055 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
1059 /* Device not whitelisted */
1060 pool_get (conf->dev_confs, devconf);
1061 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1062 devconf - conf->dev_confs, 0);
1063 devconf->vmbus_addr = *addr;
1064 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1065 devconf->is_blacklisted = 1;
1075 error = vlib_vmbus_bind_to_uio (addr);
1080 pool_get (conf->dev_confs, devconf);
1081 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1082 devconf - conf->dev_confs, 0);
1083 devconf->vmbus_addr = *addr;
1085 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1086 devconf->is_blacklisted = 1;
1087 clib_error_report (error);
1094 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
1096 uword *max_simd_bitwidth = va_arg (*va, uword *);
1098 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1100 if (!unformat (input, "%u", max_simd_bitwidth))
1103 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
1104 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
1112 static clib_error_t *
1113 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
1114 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
1117 clib_error_t *error = 0;
1119 dpdk_device_config_t *devconf = 0;
1120 unformat_input_t sub_input;
1124 devconf = &conf->default_devconf;
1126 else if (addr_type == VNET_DEV_ADDR_PCI)
1128 p = hash_get (conf->device_config_index_by_pci_addr,
1129 ((vlib_pci_addr_t *) (addr))->as_u32);
1133 pool_get (conf->dev_confs, devconf);
1134 hash_set (conf->device_config_index_by_pci_addr,
1135 ((vlib_pci_addr_t *) (addr))->as_u32,
1136 devconf - conf->dev_confs);
1139 return clib_error_return (0,
1140 "duplicate configuration for PCI address %U",
1141 format_vlib_pci_addr, addr);
1143 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1145 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
1146 (vlib_vmbus_addr_t *) (addr));
1150 pool_get (conf->dev_confs, devconf);
1151 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1152 devconf - conf->dev_confs, 0);
1155 return clib_error_return (
1156 0, "duplicate configuration for VMBUS address %U",
1157 format_vlib_vmbus_addr, addr);
1160 if (addr_type == VNET_DEV_ADDR_PCI)
1162 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
1163 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1164 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1166 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1168 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
1169 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1170 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1176 unformat_skip_white_space (input);
1177 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1179 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1181 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1183 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1185 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1187 else if (unformat (input, "name %s", &devconf->name))
1189 else if (unformat (input, "workers %U", unformat_bitmap_list,
1194 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1196 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1200 else if (unformat (input, "tso on"))
1202 devconf->tso = DPDK_DEVICE_TSO_ON;
1204 else if (unformat (input, "tso off"))
1206 devconf->tso = DPDK_DEVICE_TSO_OFF;
1208 else if (unformat (input, "devargs %s", &devconf->devargs))
1210 else if (unformat (input, "rss-queues %U",
1211 unformat_bitmap_list, &devconf->rss_queues))
1213 else if (unformat (input, "max-lro-pkt-size %u",
1214 &devconf->max_lro_pkt_size))
1218 error = clib_error_return (0, "unknown input `%U'",
1219 format_unformat_error, input);
1227 if (devconf->workers && devconf->num_rx_queues == 0)
1228 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1229 else if (devconf->workers &&
1230 clib_bitmap_count_set_bits (devconf->workers) !=
1231 devconf->num_rx_queues)
1232 error = clib_error_return (0,
1233 "%U: number of worker threads must be "
1234 "equal to number of rx queues",
1235 format_vlib_pci_addr, addr);
1240 static clib_error_t *
1241 dpdk_log_read_ready (clib_file_t * uf)
1243 unformat_input_t input;
1250 uword len = vec_len (s);
1251 vec_resize (s, len + n_try);
1253 n = read (uf->file_descriptor, s + len, n_try);
1254 if (n < 0 && errno != EAGAIN)
1255 return clib_error_return_unix (0, "read");
1256 _vec_len (s) = len + (n < 0 ? 0 : n);
1259 unformat_init_vector (&input, s);
1261 while (unformat_user (&input, unformat_line, &line))
1263 dpdk_log_notice ("%v", line);
1267 unformat_free (&input);
1271 static clib_error_t *
1272 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1274 dpdk_main_t *dm = &dpdk_main;
1275 clib_error_t *error = 0;
1276 dpdk_config_main_t *conf = &dpdk_config_main;
1277 vlib_thread_main_t *tm = vlib_get_thread_main ();
1278 dpdk_device_config_t *devconf;
1279 vlib_pci_addr_t pci_addr = { 0 };
1280 vlib_vmbus_addr_t vmbus_addr = { 0 };
1281 unformat_input_t sub_input;
1282 uword default_hugepage_sz, x;
1285 int num_whitelisted = 0;
1286 int eal_no_hugetlb = 0;
1291 u8 *huge_dir_path = 0;
1292 u32 vendor, device, domain, bus, func;
1295 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1297 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1298 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1299 sizeof (vlib_vmbus_addr_t));
1301 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1303 /* Prime the pump */
1304 if (unformat (input, "no-hugetlb"))
1306 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1309 else if (unformat (input, "telemetry"))
1310 conf->enable_telemetry = 1;
1312 else if (unformat (input, "enable-tcp-udp-checksum"))
1314 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1315 if (unformat (input, "enable-outer-checksum-offload"))
1316 dm->default_port_conf.enable_outer_checksum_offload = 1;
1318 else if (unformat (input, "no-tx-checksum-offload"))
1319 dm->default_port_conf.no_tx_checksum_offload = 1;
1321 else if (unformat (input, "decimal-interface-names"))
1322 conf->interface_name_format_decimal = 1;
1324 else if (unformat (input, "no-multi-seg"))
1325 dm->default_port_conf.no_multi_seg = 1;
1326 else if (unformat (input, "enable-lro"))
1327 dm->default_port_conf.enable_lro = 1;
1328 else if (unformat (input, "max-simd-bitwidth %U",
1329 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1331 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1335 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1342 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1343 unformat_vlib_cli_sub_input, &sub_input))
1345 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1353 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1356 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1363 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1364 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1366 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1374 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1378 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1385 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1387 else if (unformat (input, "socket-mem %s", &socket_mem))
1389 else if (unformat (input, "no-pci"))
1392 tmp = format (0, "--no-pci%c", 0);
1393 vec_add1 (conf->eal_init_args, tmp);
1395 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1398 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1402 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1404 tmp = format (0, "-b%c", 0);
1405 vec_add1 (conf->eal_init_args, tmp);
1407 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1408 vec_add1 (conf->eal_init_args, tmp);
1410 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1412 u32 blacklist_entry;
1413 if (vendor > 0xFFFF)
1414 return clib_error_return (0, "blacklist PCI vendor out of range");
1415 if (device > 0xFFFF)
1416 return clib_error_return (0, "blacklist PCI device out of range");
1417 blacklist_entry = (vendor << 16) | (device & 0xffff);
1418 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1421 else if (unformat (input, "no-vmbus"))
1424 tmp = format (0, "--no-vmbus%c", 0);
1425 vec_add1 (conf->eal_init_args, tmp);
1429 else if (unformat(input, #a)) \
1431 tmp = format (0, "--%s%c", #a, 0); \
1432 vec_add1 (conf->eal_init_args, tmp); \
1434 foreach_eal_double_hyphen_predicate_arg
1437 else if (unformat(input, #a " %s", &s)) \
1439 if (!strncmp(#a, "file-prefix", 11)) \
1441 tmp = format (0, "--%s%c", #a, 0); \
1442 vec_add1 (conf->eal_init_args, tmp); \
1444 if (!strncmp(#a, "vdev", 4)) \
1445 if (strstr((char*)s, "af_packet")) \
1446 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1447 vec_add1 (conf->eal_init_args, s); \
1449 foreach_eal_double_hyphen_arg
1452 else if (unformat(input, #a " %s", &s)) \
1454 tmp = format (0, "-%s%c", #b, 0); \
1455 vec_add1 (conf->eal_init_args, tmp); \
1457 vec_add1 (conf->eal_init_args, s); \
1459 foreach_eal_single_hyphen_arg
1461 else if (unformat (input, "default"))
1464 else if (unformat_skip_white_space (input))
1468 error = clib_error_return (0, "unknown input `%U'",
1469 format_unformat_error, input);
1474 if (!conf->uio_driver_name)
1475 conf->uio_driver_name = format (0, "auto%c", 0);
1477 if (eal_no_hugetlb == 0)
1479 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1481 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1484 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1488 /* preallocate at least 16MB of hugepages per socket,
1489 if more is needed it is up to consumer to preallocate more */
1490 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1491 n_pages /= default_hugepage_sz;
1493 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1494 clib_error_report (e);
1499 /* on/off dpdk's telemetry thread */
1500 if (conf->enable_telemetry == 0)
1502 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1507 tmp = format (0, "--file-prefix%c", 0);
1508 vec_add1 (conf->eal_init_args, tmp);
1509 tmp = format (0, "vpp%c", 0);
1510 vec_add1 (conf->eal_init_args, tmp);
1516 if (no_pci == 0 && geteuid () == 0)
1517 dpdk_bind_devices_to_uio (conf);
1519 if (no_vmbus == 0 && geteuid () == 0)
1520 dpdk_bind_vmbus_devices_to_uio (conf);
1523 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1524 devconf->x = conf->default_devconf.x ;
1526 pool_foreach (devconf, conf->dev_confs) {
1528 /* default per-device config items */
1529 foreach_dpdk_device_config_item
1531 /* copy tso config from default device */
1534 /* copy tso config from default device */
1537 /* copy rss_queues config from default device */
1540 /* add DPDK EAL whitelist/blacklist entry */
1541 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1542 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1544 tmp = format (0, "-a%c", 0);
1545 vec_add1 (conf->eal_init_args, tmp);
1546 if (devconf->devargs)
1548 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1549 &devconf->pci_addr, devconf->devargs, 0);
1553 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1555 vec_add1 (conf->eal_init_args, tmp);
1557 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1558 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1560 tmp = format (0, "-b%c", 0);
1561 vec_add1 (conf->eal_init_args, tmp);
1562 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1563 vec_add1 (conf->eal_init_args, tmp);
1570 clib_warning ("socket-mem argument is deprecated");
1572 /* NULL terminate the "argv" vector, in case of stupidity */
1573 vec_add1 (conf->eal_init_args, 0);
1574 _vec_len (conf->eal_init_args) -= 1;
1576 /* Set up DPDK eal and packet mbuf pool early. */
1578 int log_fds[2] = { 0 };
1579 if (pipe (log_fds) == 0)
1581 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1583 FILE *f = fdopen (log_fds[1], "a");
1584 if (f && rte_openlog_stream (f) == 0)
1586 clib_file_t t = { 0 };
1587 t.read_function = dpdk_log_read_ready;
1588 t.file_descriptor = log_fds[0];
1589 t.description = format (0, "DPDK logging pipe");
1590 clib_file_add (&file_main, &t);
1600 vm = vlib_get_main ();
1602 /* make copy of args as rte_eal_init tends to mess up with arg array */
1603 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1604 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1605 conf->eal_init_args[i]);
1607 vec_terminate_c_string (conf->eal_init_args_str);
1609 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1610 ret = rte_eal_init (vec_len (conf->eal_init_args),
1611 (char **) conf->eal_init_args);
1613 /* enable the AVX-512 vPMDs in DPDK */
1614 if (clib_cpu_supports_avx512_bitalg () &&
1615 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1616 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1617 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1618 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1619 DPDK_MAX_SIMD_BITWIDTH_256 ?
1623 /* lazy umount hugepages */
1624 umount2 ((char *) huge_dir_path, MNT_DETACH);
1625 rmdir ((char *) huge_dir_path);
1626 vec_free (huge_dir_path);
1629 return clib_error_return (0, "rte_eal_init returned %d", ret);
1631 /* main thread 1st */
1632 if ((error = dpdk_buffer_pools_create (vm)))
1639 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1642 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1644 vnet_main_t *vnm = vnet_get_main ();
1645 struct rte_eth_link prev_link = xd->link;
1647 u8 hw_flags_chg = 0;
1649 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1650 clib_memset (&xd->link, 0, sizeof (xd->link));
1651 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1653 if (LINK_STATE_ELOGS)
1655 ELOG_TYPE_DECLARE (e) =
1658 "update-link-state: sw_if_index %d, admin_up %d,"
1659 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1668 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1669 ed->sw_if_index = xd->sw_if_index;
1670 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1671 ed->old_link_state = (u8)
1672 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1673 ed->new_link_state = (u8) xd->link.link_status;
1676 if ((xd->link.link_duplex != prev_link.link_duplex))
1679 switch (xd->link.link_duplex)
1681 case ETH_LINK_HALF_DUPLEX:
1682 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1684 case ETH_LINK_FULL_DUPLEX:
1685 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1691 if (xd->link.link_speed != prev_link.link_speed)
1692 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1693 xd->link.link_speed * 1000);
1695 if (xd->link.link_status != prev_link.link_status)
1699 if (xd->link.link_status)
1700 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1705 if (LINK_STATE_ELOGS)
1707 ELOG_TYPE_DECLARE (e) =
1710 "update-link-state: sw_if_index %d, new flags %d",.format_args
1718 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1719 ed->sw_if_index = xd->sw_if_index;
1720 ed->flags = hw_flags;
1722 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1727 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1729 clib_error_t *error;
1730 dpdk_main_t *dm = &dpdk_main;
1732 vlib_thread_main_t *tm = vlib_get_thread_main ();
1734 error = dpdk_lib_init (dm);
1737 clib_error_report (error);
1739 if (dpdk_cryptodev_init)
1741 error = dpdk_cryptodev_init (vm);
1744 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1746 clib_error_free (error);
1750 tm->worker_thread_release = 1;
1752 f64 now = vlib_time_now (vm);
1753 vec_foreach (xd, dm->devices)
1755 dpdk_update_link_state (xd, now);
1761 * check each time through the loop in case intervals are changed
1763 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1764 dm->link_state_poll_interval : dm->stat_poll_interval;
1766 vlib_process_wait_for_event_or_clock (vm, min_wait);
1768 if (dm->admin_up_down_in_progress)
1769 /* skip the poll if an admin up down is in progress (on any interface) */
1772 vec_foreach (xd, dm->devices)
1774 f64 now = vlib_time_now (vm);
1775 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1776 dpdk_update_counters (xd, now);
1777 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1778 dpdk_update_link_state (xd, now);
1787 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1788 .function = dpdk_process,
1789 .type = VLIB_NODE_TYPE_PROCESS,
1790 .name = "dpdk-process",
1791 .process_log2_n_stack_bytes = 17,
1795 static clib_error_t *
1796 dpdk_init (vlib_main_t * vm)
1798 dpdk_main_t *dm = &dpdk_main;
1799 clib_error_t *error = 0;
1801 /* verify that structs are cacheline aligned */
1802 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1803 "Cache line marker must be 1st element in dpdk_device_t");
1804 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1805 CLIB_CACHE_LINE_BYTES,
1806 "Data in cache line 0 is bigger than cache line size");
1807 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1808 "Cache line marker must be 1st element in frame_queue_trace_t");
1810 dpdk_cli_reference ();
1812 dm->conf = &dpdk_config_main;
1814 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1816 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1817 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1819 dm->log_default = vlib_log_register_class ("dpdk", 0);
1820 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1825 VLIB_INIT_FUNCTION (dpdk_init);
1827 static clib_error_t *
1828 dpdk_worker_thread_init (vlib_main_t *vm)
1830 if (rte_thread_register () < 0)
1831 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1832 rte_strerror (rte_errno));
1836 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);