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;
83 static dpdk_port_type_t
84 port_type_from_link_speed (u32 link_speed)
88 case ETH_SPEED_NUM_1G:
89 return VNET_DPDK_PORT_TYPE_ETH_1G;
90 case ETH_SPEED_NUM_2_5G:
91 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
92 case ETH_SPEED_NUM_5G:
93 return VNET_DPDK_PORT_TYPE_ETH_5G;
94 case ETH_SPEED_NUM_10G:
95 return VNET_DPDK_PORT_TYPE_ETH_10G;
96 case ETH_SPEED_NUM_20G:
97 return VNET_DPDK_PORT_TYPE_ETH_20G;
98 case ETH_SPEED_NUM_25G:
99 return VNET_DPDK_PORT_TYPE_ETH_25G;
100 case ETH_SPEED_NUM_40G:
101 return VNET_DPDK_PORT_TYPE_ETH_40G;
102 case ETH_SPEED_NUM_50G:
103 return VNET_DPDK_PORT_TYPE_ETH_50G;
104 case ETH_SPEED_NUM_56G:
105 return VNET_DPDK_PORT_TYPE_ETH_56G;
106 case ETH_SPEED_NUM_100G:
107 return VNET_DPDK_PORT_TYPE_ETH_100G;
109 return VNET_DPDK_PORT_TYPE_UNKNOWN;
114 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
116 dpdk_main_t *dm = &dpdk_main;
117 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
118 u32 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
122 case ETHERNET_INTERFACE_FLAG_DEFAULT_L3:
123 /* set to L3/non-promisc mode */
124 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
126 case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
127 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
129 case ETHERNET_INTERFACE_FLAG_MTU:
130 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
131 dpdk_device_setup (xd);
137 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
139 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
140 rte_eth_promiscuous_enable (xd->port_id);
142 rte_eth_promiscuous_disable (xd->port_id);
149 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
151 return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
154 /* The function check_l3cache helps check if Level 3 cache exists or not on current CPUs
155 return value 1: exist.
156 return value 0: not exist.
164 const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache";
165 DIR *dir_cache = opendir (sys_cache_dir);
167 if (dir_cache == NULL)
170 while ((dp = readdir (dir_cache)) != NULL)
172 if (dp->d_type == DT_DIR)
175 int level_cache = -1;
177 p = format (p, "%s/%s/%s%c", sys_cache_dir, dp->d_name, "level", 0);
178 if ((err = clib_sysfs_read ((char *) p, "%d", &level_cache)))
179 clib_error_free (err);
181 if (level_cache == 3)
183 closedir (dir_cache);
189 if (dir_cache != NULL)
190 closedir (dir_cache);
196 dpdk_enable_l4_csum_offload (dpdk_device_t * xd)
198 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
199 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
200 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
201 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
204 static clib_error_t *
205 dpdk_lib_init (dpdk_main_t * dm)
207 vnet_main_t *vnm = vnet_get_main ();
209 u32 mtu, max_rx_frame;
212 vlib_main_t *vm = vlib_get_main ();
213 vlib_thread_main_t *tm = vlib_get_thread_main ();
214 vnet_device_main_t *vdm = &vnet_device_main;
215 vnet_sw_interface_t *sw;
216 vnet_hw_interface_t *hi;
218 vlib_pci_addr_t last_pci_addr;
219 u32 last_pci_addr_port = 0;
220 u8 af_packet_instance_num = 0;
221 last_pci_addr.as_u32 = ~0;
223 nports = rte_eth_dev_count_avail ();
227 dpdk_log_notice ("DPDK drivers found no Ethernet devices...");
231 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
233 /* vlib_buffer_t template */
234 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
235 CLIB_CACHE_LINE_BYTES);
236 for (int i = 0; i < tm->n_vlib_mains; i++)
238 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
239 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
240 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
243 /* device config defaults */
244 dm->default_port_conf.n_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
245 dm->default_port_conf.n_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
246 dm->default_port_conf.n_rx_queues = 1;
247 dm->default_port_conf.n_tx_queues = tm->n_vlib_mains;
249 if ((clib_mem_get_default_hugepage_size () == 2 << 20) &&
250 check_l3cache () == 0)
251 dm->default_port_conf.n_rx_desc = dm->default_port_conf.n_tx_desc = 512;
253 RTE_ETH_FOREACH_DEV (port_id)
256 struct rte_eth_dev_info di;
257 struct rte_pci_device *pci_dev;
258 struct rte_vmbus_device *vmbus_dev;
259 dpdk_portid_t next_port_id;
260 dpdk_device_config_t *devconf = 0;
261 vlib_pci_addr_t pci_addr;
262 vlib_vmbus_addr_t vmbus_addr;
265 if (!rte_eth_dev_is_valid_port (port_id))
268 rte_eth_dev_info_get (port_id, &di);
272 dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
277 pci_dev = dpdk_get_pci_device (&di);
281 pci_addr.domain = pci_dev->addr.domain;
282 pci_addr.bus = pci_dev->addr.bus;
283 pci_addr.slot = pci_dev->addr.devid;
284 pci_addr.function = pci_dev->addr.function;
285 p = hash_get (dm->conf->device_config_index_by_pci_addr,
289 vmbus_dev = dpdk_get_vmbus_device (&di);
293 unformat_input_t input_vmbus;
294 unformat_init_string (&input_vmbus, di.device->name,
295 strlen (di.device->name));
296 if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr,
299 p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
302 unformat_free (&input_vmbus);
307 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
308 /* If device is blacklisted, we should skip it */
309 if (devconf->is_blacklisted)
315 devconf = &dm->conf->default_devconf;
317 /* Create vnet interface */
318 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
319 xd->cpu_socket = (i8) rte_eth_dev_socket_id (port_id);
320 clib_memcpy (&xd->conf, &dm->default_port_conf,
321 sizeof (dpdk_port_conf_t));
325 xd->name = devconf->name;
328 /* Handle representor devices that share the same PCI ID */
329 if (di.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
331 if (di.switch_info.port_id != (uint16_t) -1)
332 xd->interface_name_suffix =
333 format (0, "%d", di.switch_info.port_id);
335 /* Handle interface naming for devices with multiple ports sharing same
337 else if (pci_dev && ((next_port_id = rte_eth_find_next (port_id + 1)) !=
340 struct rte_eth_dev_info next_di = { 0 };
341 struct rte_pci_device *next_pci_dev;
342 rte_eth_dev_info_get (next_port_id, &next_di);
343 next_pci_dev = next_di.device ? RTE_DEV_TO_PCI (next_di.device) : 0;
344 if (next_pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
345 memcmp (&pci_dev->addr, &next_pci_dev->addr,
346 sizeof (struct rte_pci_addr)) == 0)
348 xd->interface_name_suffix = format (0, "0");
349 last_pci_addr.as_u32 = pci_addr.as_u32;
350 last_pci_addr_port = port_id;
352 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
354 xd->interface_name_suffix =
355 format (0, "%u", port_id - last_pci_addr_port);
359 last_pci_addr.as_u32 = ~0;
363 last_pci_addr.as_u32 = ~0;
365 if (di.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
367 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
368 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
371 if (xd->conf.enable_tcp_udp_checksum)
373 if (di.rx_offload_capa & DEV_RX_OFFLOAD_UDP_CKSUM)
374 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_UDP_CKSUM;
375 if (di.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
376 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_CKSUM;
377 if (di.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
378 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
380 if (xd->conf.enable_outer_checksum_offload)
382 if (di.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
383 xd->port_conf.txmode.offloads |=
384 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
385 if (di.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
386 xd->port_conf.txmode.offloads |=
387 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM;
391 if (xd->conf.enable_lro)
393 if (di.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
395 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_LRO;
396 if (devconf->max_lro_pkt_size)
397 xd->port_conf.rxmode.max_lro_pkt_size =
398 devconf->max_lro_pkt_size;
400 xd->port_conf.rxmode.max_lro_pkt_size =
401 DPDK_MAX_LRO_SIZE_DEFAULT;
404 if (xd->conf.no_multi_seg)
406 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
407 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
408 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
412 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
413 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
414 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
415 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
418 xd->conf.n_tx_queues = clib_min (di.max_tx_queues, xd->conf.n_tx_queues);
420 if (devconf->num_tx_queues > 0 &&
421 devconf->num_tx_queues < xd->conf.n_tx_queues)
422 xd->conf.n_tx_queues = devconf->num_tx_queues;
424 if (devconf->num_rx_queues > 1 &&
425 di.max_rx_queues >= devconf->num_rx_queues)
427 xd->conf.n_rx_queues = devconf->num_rx_queues;
428 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
429 if (devconf->rss_fn == 0)
430 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
431 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
434 u64 unsupported_bits;
435 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
436 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
437 unsupported_bits &= ~di.flow_type_rss_offloads;
438 if (unsupported_bits)
439 dpdk_log_warn ("Unsupported RSS hash functions: %U",
440 format_dpdk_rss_hf_name, unsupported_bits);
442 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
443 di.flow_type_rss_offloads;
446 vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
447 CLIB_CACHE_LINE_BYTES);
449 /* workaround for drivers not setting driver_name */
450 if ((!di.driver_name) && (pci_dev))
451 di.driver_name = pci_dev->driver->driver.name;
453 ASSERT (di.driver_name);
459 else if (di.driver_name && !strcmp (di.driver_name, s)) xd->pmd = \
465 else xd->pmd = VNET_DPDK_PMD_UNKNOWN;
467 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
471 /* Drivers with valid speed_capa set */
472 case VNET_DPDK_PMD_I40E:
473 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
475 case VNET_DPDK_PMD_E1000EM:
476 case VNET_DPDK_PMD_IGB:
477 case VNET_DPDK_PMD_IGC:
478 case VNET_DPDK_PMD_IXGBE:
479 case VNET_DPDK_PMD_ICE:
480 xd->port_type = port_type_from_speed_capa (&di);
481 xd->supported_flow_actions =
482 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
483 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
484 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
485 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
487 if (xd->conf.no_tx_checksum_offload == 0)
489 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
490 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
491 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
492 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
495 xd->port_conf.intr_conf.rxq = 1;
497 case VNET_DPDK_PMD_MLX5:
498 if (xd->conf.no_tx_checksum_offload == 0)
500 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
501 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
502 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
503 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
505 xd->port_type = port_type_from_speed_capa (&di);
507 case VNET_DPDK_PMD_CXGBE:
508 case VNET_DPDK_PMD_MLX4:
509 case VNET_DPDK_PMD_QEDE:
510 case VNET_DPDK_PMD_BNXT:
511 xd->port_type = port_type_from_speed_capa (&di);
515 case VNET_DPDK_PMD_I40EVF:
516 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
518 case VNET_DPDK_PMD_IGBVF:
519 case VNET_DPDK_PMD_IXGBEVF:
520 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
521 if (xd->conf.no_tx_checksum_offload == 0)
523 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
524 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
525 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
526 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
528 /* DPDK bug in multiqueue... */
529 /* xd->port_conf.intr_conf.rxq = 1; */
533 case VNET_DPDK_PMD_IAVF:
534 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
535 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
536 xd->supported_flow_actions =
537 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
538 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
539 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
540 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
542 if (xd->conf.no_tx_checksum_offload == 0)
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 |
547 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
549 /* DPDK bug in multiqueue... */
550 /* xd->port_conf.intr_conf.rxq = 1; */
553 case VNET_DPDK_PMD_THUNDERX:
554 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
556 if (xd->conf.no_tx_checksum_offload == 0)
558 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
559 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
560 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
564 case VNET_DPDK_PMD_ENA:
565 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
566 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
567 xd->port_conf.intr_conf.rxq = 1;
568 if (xd->conf.no_tx_checksum_offload == 0)
570 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
571 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
572 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
573 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
577 case VNET_DPDK_PMD_DPAA2:
578 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
582 case VNET_DPDK_PMD_ENIC:
584 struct rte_eth_link l;
585 rte_eth_link_get_nowait (port_id, &l);
586 xd->port_type = port_type_from_link_speed (l.link_speed);
587 if (xd->conf.enable_tcp_udp_checksum)
588 dpdk_enable_l4_csum_offload (xd);
592 /* Intel Red Rock Canyon */
593 case VNET_DPDK_PMD_FM10K:
594 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
598 case VNET_DPDK_PMD_VIRTIO:
599 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
600 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
601 xd->conf.n_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
602 xd->conf.n_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
604 * Enable use of RX interrupts if supported.
606 * There is no device flag or capability for this, so
607 * use the same check that the virtio driver does.
609 if (pci_dev && rte_intr_cap_multiple (&pci_dev->intr_handle))
610 xd->port_conf.intr_conf.rxq = 1;
614 case VNET_DPDK_PMD_VMXNET3:
615 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
616 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
617 /* TCP csum offload not working although udp might work. Left
618 * disabled for now */
619 if (0 && (xd->conf.no_tx_checksum_offload == 0))
621 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
622 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
623 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
624 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
628 case VNET_DPDK_PMD_AF_PACKET:
629 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
630 xd->af_packet_instance_num = af_packet_instance_num++;
633 case VNET_DPDK_PMD_VIRTIO_USER:
634 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
637 case VNET_DPDK_PMD_VHOST_ETHER:
638 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
641 case VNET_DPDK_PMD_LIOVF_ETHER:
642 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
645 case VNET_DPDK_PMD_FAILSAFE:
646 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
647 xd->port_conf.intr_conf.lsc = 1;
650 case VNET_DPDK_PMD_NETVSC:
652 struct rte_eth_link l;
653 rte_eth_link_get_nowait (port_id, &l);
654 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
659 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
663 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
665 f64 now = vlib_time_now (vm);
667 rnd = (u32) (now * 1e6);
668 rnd = random_u32 (&rnd);
669 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
674 rte_eth_macaddr_get (port_id, (void *) addr);
676 xd->port_id = port_id;
677 xd->device_index = xd - dm->devices;
678 xd->per_interface_next_index = ~0;
680 /* assign interface to input thread */
683 error = ethernet_register_interface (
684 vnm, dpdk_device_class.index, xd->device_index,
685 /* ethernet address */ addr, &xd->hw_if_index, dpdk_flag_change);
690 * Ensure default mtu is not > the mtu read from the hardware.
691 * Otherwise rte_eth_dev_configure() will fail and the port will
693 * Calculate max_frame_size and mtu supported by NIC
695 if (ETHERNET_MAX_PACKET_BYTES > di.max_rx_pktlen)
698 * This device does not support the platforms's max frame
699 * size. Use it's advertised mru instead.
701 max_rx_frame = di.max_rx_pktlen;
702 mtu = di.max_rx_pktlen - sizeof (ethernet_header_t);
706 /* VPP treats MTU and max_rx_pktlen both equal to
707 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
708 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
710 if (di.max_rx_pktlen >=
711 (ETHERNET_MAX_PACKET_BYTES + sizeof (ethernet_header_t)))
713 mtu = ETHERNET_MAX_PACKET_BYTES;
714 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
717 * Some platforms do not account for Ethernet FCS (4 bytes) in
718 * MTU calculations. To interop with them increase mru but only
719 * if the device's settings can support it.
721 if (dpdk_port_crc_strip_enabled (xd) &&
722 (di.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
723 sizeof (ethernet_header_t) + 4)))
730 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
731 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
733 if (dpdk_port_crc_strip_enabled (xd) &&
734 (di.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
741 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
743 /* failsafe device numerables are reported with active device only,
744 * need to query the mtu for current device setup to overwrite
748 if (!rte_eth_dev_get_mtu (port_id, &dev_mtu))
751 max_rx_frame = mtu + sizeof (ethernet_header_t);
753 if (dpdk_port_crc_strip_enabled (xd))
760 /*Set port rxmode config */
761 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
763 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
764 xd->sw_if_index = sw->sw_if_index;
765 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
767 if (devconf->workers)
771 clib_bitmap_foreach (j, devconf->workers)
773 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
774 rxq->queue_index = vnet_hw_if_register_rx_queue (
775 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
779 for (q = 0; q < xd->conf.n_rx_queues; q++)
781 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
782 rxq->queue_index = vnet_hw_if_register_rx_queue (
783 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
786 vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
788 /*Get vnet hardware interface */
789 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
791 /*Override default max_packet_bytes and max_supported_bytes set in
792 * ethernet_register_interface() above*/
795 hi->max_packet_bytes = mtu;
796 hi->max_supported_packet_bytes = max_rx_frame;
797 hi->numa_node = xd->cpu_socket;
799 /* Indicate ability to support L3 DMAC filtering and
800 * initialize interface to L3 non-promisc mode */
801 hi->caps |= VNET_HW_IF_CAP_MAC_FILTER;
802 ethernet_set_flags (vnm, xd->hw_if_index,
803 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
806 if (xd->conf.no_tx_checksum_offload == 0)
807 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
809 hi->caps |= VNET_HW_IF_CAP_TX_IP4_CKSUM |
810 VNET_HW_IF_CAP_TX_TCP_CKSUM |
811 VNET_HW_IF_CAP_TX_UDP_CKSUM;
812 if (xd->conf.enable_outer_checksum_offload)
814 hi->caps |= VNET_HW_IF_CAP_TX_IP4_OUTER_CKSUM |
815 VNET_HW_IF_CAP_TX_UDP_OUTER_CKSUM;
818 if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
820 /*tcp_udp checksum must be enabled*/
821 if ((xd->conf.enable_tcp_udp_checksum) &&
822 (hi->caps & VNET_HW_IF_CAP_TX_CKSUM))
824 hi->caps |= VNET_HW_IF_CAP_TCP_GSO;
825 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO;
827 if (xd->conf.enable_outer_checksum_offload &&
828 (di.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO))
830 xd->port_conf.txmode.offloads |=
831 DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
832 hi->caps |= VNET_HW_IF_CAP_VXLAN_TNL_GSO;
836 clib_warning ("%s: TCP/UDP checksum offload must be enabled",
840 dpdk_device_setup (xd);
842 /* rss queues should be configured after dpdk_device_setup() */
843 if ((hi != NULL) && (devconf->rss_queues != NULL))
845 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
846 devconf->rss_queues))
848 clib_warning ("%s: Failed to set rss queues", hi->name);
852 if (vec_len (xd->errors))
853 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
854 format_dpdk_device_name, port_id,
855 format_dpdk_device_errors, xd);
858 hi->max_packet_bytes =
859 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
861 dpdk_log_warn ("hi NULL");
863 if (xd->conf.no_multi_seg)
864 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
866 rte_eth_dev_set_mtu (xd->port_id, mtu);
873 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
875 vlib_main_t *vm = vlib_get_main ();
878 int num_whitelisted = vec_len (conf->dev_confs);
879 vlib_pci_device_info_t *d = 0;
880 vlib_pci_addr_t *addr = 0, *addrs;
883 addrs = vlib_pci_get_all_dev_addrs ();
885 vec_foreach (addr, addrs)
887 dpdk_device_config_t * devconf = 0;
888 vec_reset_length (pci_addr);
889 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
892 vlib_pci_free_device_info (d);
895 d = vlib_pci_get_device_info (vm, addr, &error);
898 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
899 clib_error_free (error);
903 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
908 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
916 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
919 /* Enforce Device blacklist by vendor and device */
920 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
923 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
924 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
925 if (d->vendor_id == vendor && d->device_id == device)
928 * Expected case: device isn't whitelisted,
933 /* Device is blacklisted */
934 pool_get (conf->dev_confs, devconf);
935 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
936 devconf - conf->dev_confs);
937 devconf->pci_addr.as_u32 = addr->as_u32;
938 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
939 devconf->is_blacklisted = 1;
942 else /* explicitly whitelisted, ignore the device blacklist */
948 if (d->vendor_id == 0x1af4 &&
949 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
950 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
953 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
956 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
957 * the default is to put it in the blacklist.
961 pool_get (conf->dev_confs, devconf);
962 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
963 devconf - conf->dev_confs);
964 devconf->pci_addr.as_u32 = addr->as_u32;
965 devconf->is_blacklisted = 1;
968 /* all Intel network devices */
969 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
971 /* all Intel QAT devices VFs */
972 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
973 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
974 d->device_id == 0x37c9 || d->device_id == 0x6f55))
977 else if (d->vendor_id == 0x1137 &&
978 (d->device_id == 0x0043 || d->device_id == 0x0071))
981 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
983 /* Amazon Elastic Network Adapter */
984 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
986 /* Cavium Network Adapter */
987 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
989 /* Cavium FastlinQ QL41000 Series */
990 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
992 /* Mellanox CX3, CX3VF */
993 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
997 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
998 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
1002 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
1003 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
1007 /* Broadcom NetXtreme S, and E series only */
1008 else if (d->vendor_id == 0x14e4 &&
1009 ((d->device_id >= 0x16c0 &&
1010 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
1011 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
1012 d->device_id != 0x16fd && d->device_id != 0x16fe &&
1013 d->device_id != 0x170d && d->device_id != 0x170c &&
1014 d->device_id != 0x170e && d->device_id != 0x1712 &&
1015 d->device_id != 0x1713) ||
1016 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
1017 d->device_id == 0x1614 || d->device_id == 0x1606 ||
1018 d->device_id == 0x1609 || d->device_id == 0x1614)))
1022 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
1023 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
1028 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
1034 pool_get (conf->dev_confs, devconf);
1035 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
1036 devconf - conf->dev_confs);
1037 devconf->pci_addr.as_u32 = addr->as_u32;
1039 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1040 devconf->is_blacklisted = 1;
1041 clib_error_report (error);
1045 vec_free (pci_addr);
1046 vlib_pci_free_device_info (d);
1050 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
1052 clib_error_t *error;
1053 vlib_vmbus_addr_t *addrs, *addr = 0;
1054 int num_whitelisted = vec_len (conf->dev_confs);
1057 addrs = vlib_vmbus_get_all_dev_addrs ();
1060 vec_foreach (addr, addrs)
1062 dpdk_device_config_t *devconf = 0;
1063 if (num_whitelisted)
1066 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
1069 /* No devices blacklisted, but have whitelisted. blacklist all
1070 * non-whitelisted */
1071 pool_get (conf->dev_confs, devconf);
1072 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1073 devconf - conf->dev_confs, 0);
1074 devconf->vmbus_addr = *addr;
1075 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1076 devconf->is_blacklisted = 1;
1081 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
1084 /* Enforce Device blacklist by vmbus_addr */
1085 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
1087 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
1088 vlib_vmbus_addr_t *a2 = addr;
1089 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
1093 /* Device not whitelisted */
1094 pool_get (conf->dev_confs, devconf);
1095 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1096 devconf - conf->dev_confs, 0);
1097 devconf->vmbus_addr = *addr;
1098 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1099 devconf->is_blacklisted = 1;
1109 error = vlib_vmbus_bind_to_uio (addr);
1114 pool_get (conf->dev_confs, devconf);
1115 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1116 devconf - conf->dev_confs, 0);
1117 devconf->vmbus_addr = *addr;
1119 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1120 devconf->is_blacklisted = 1;
1121 clib_error_report (error);
1128 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
1130 uword *max_simd_bitwidth = va_arg (*va, uword *);
1132 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1134 if (!unformat (input, "%u", max_simd_bitwidth))
1137 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
1138 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
1146 static clib_error_t *
1147 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
1148 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
1151 clib_error_t *error = 0;
1153 dpdk_device_config_t *devconf = 0;
1154 unformat_input_t sub_input;
1158 devconf = &conf->default_devconf;
1160 else if (addr_type == VNET_DEV_ADDR_PCI)
1162 p = hash_get (conf->device_config_index_by_pci_addr,
1163 ((vlib_pci_addr_t *) (addr))->as_u32);
1167 pool_get (conf->dev_confs, devconf);
1168 hash_set (conf->device_config_index_by_pci_addr,
1169 ((vlib_pci_addr_t *) (addr))->as_u32,
1170 devconf - conf->dev_confs);
1173 return clib_error_return (0,
1174 "duplicate configuration for PCI address %U",
1175 format_vlib_pci_addr, addr);
1177 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1179 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
1180 (vlib_vmbus_addr_t *) (addr));
1184 pool_get (conf->dev_confs, devconf);
1185 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1186 devconf - conf->dev_confs, 0);
1189 return clib_error_return (
1190 0, "duplicate configuration for VMBUS address %U",
1191 format_vlib_vmbus_addr, addr);
1194 if (addr_type == VNET_DEV_ADDR_PCI)
1196 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
1197 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1198 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1200 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1202 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
1203 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1204 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1210 unformat_skip_white_space (input);
1211 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1213 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1215 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1217 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1219 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1221 else if (unformat (input, "name %s", &devconf->name))
1223 else if (unformat (input, "workers %U", unformat_bitmap_list,
1228 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1230 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1234 else if (unformat (input, "tso on"))
1236 devconf->tso = DPDK_DEVICE_TSO_ON;
1238 else if (unformat (input, "tso off"))
1240 devconf->tso = DPDK_DEVICE_TSO_OFF;
1242 else if (unformat (input, "devargs %s", &devconf->devargs))
1244 else if (unformat (input, "rss-queues %U",
1245 unformat_bitmap_list, &devconf->rss_queues))
1247 else if (unformat (input, "max-lro-pkt-size %u",
1248 &devconf->max_lro_pkt_size))
1252 error = clib_error_return (0, "unknown input `%U'",
1253 format_unformat_error, input);
1261 if (devconf->workers && devconf->num_rx_queues == 0)
1262 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1263 else if (devconf->workers &&
1264 clib_bitmap_count_set_bits (devconf->workers) !=
1265 devconf->num_rx_queues)
1266 error = clib_error_return (0,
1267 "%U: number of worker threads must be "
1268 "equal to number of rx queues",
1269 format_vlib_pci_addr, addr);
1274 static clib_error_t *
1275 dpdk_log_read_ready (clib_file_t * uf)
1277 unformat_input_t input;
1284 uword len = vec_len (s);
1285 vec_resize (s, len + n_try);
1287 n = read (uf->file_descriptor, s + len, n_try);
1288 if (n < 0 && errno != EAGAIN)
1289 return clib_error_return_unix (0, "read");
1290 _vec_len (s) = len + (n < 0 ? 0 : n);
1293 unformat_init_vector (&input, s);
1295 while (unformat_user (&input, unformat_line, &line))
1297 dpdk_log_notice ("%v", line);
1301 unformat_free (&input);
1305 static clib_error_t *
1306 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1308 dpdk_main_t *dm = &dpdk_main;
1309 clib_error_t *error = 0;
1310 dpdk_config_main_t *conf = &dpdk_config_main;
1311 vlib_thread_main_t *tm = vlib_get_thread_main ();
1312 dpdk_device_config_t *devconf;
1313 vlib_pci_addr_t pci_addr = { 0 };
1314 vlib_vmbus_addr_t vmbus_addr = { 0 };
1315 unformat_input_t sub_input;
1316 uword default_hugepage_sz, x;
1319 int num_whitelisted = 0;
1320 int eal_no_hugetlb = 0;
1325 u8 *huge_dir_path = 0;
1326 u32 vendor, device, domain, bus, func;
1329 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1331 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1332 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1333 sizeof (vlib_vmbus_addr_t));
1335 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1337 /* Prime the pump */
1338 if (unformat (input, "no-hugetlb"))
1340 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1343 else if (unformat (input, "telemetry"))
1344 conf->enable_telemetry = 1;
1346 else if (unformat (input, "enable-tcp-udp-checksum"))
1348 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1349 if (unformat (input, "enable-outer-checksum-offload"))
1350 dm->default_port_conf.enable_outer_checksum_offload = 1;
1352 else if (unformat (input, "no-tx-checksum-offload"))
1353 dm->default_port_conf.no_tx_checksum_offload = 1;
1355 else if (unformat (input, "decimal-interface-names"))
1356 conf->interface_name_format_decimal = 1;
1358 else if (unformat (input, "no-multi-seg"))
1359 dm->default_port_conf.no_multi_seg = 1;
1360 else if (unformat (input, "enable-lro"))
1361 dm->default_port_conf.enable_lro = 1;
1362 else if (unformat (input, "max-simd-bitwidth %U",
1363 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1365 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1369 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1376 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1377 unformat_vlib_cli_sub_input, &sub_input))
1379 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1387 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1390 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1397 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1398 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1400 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1408 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1412 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1419 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1421 else if (unformat (input, "socket-mem %s", &socket_mem))
1423 else if (unformat (input, "no-pci"))
1426 tmp = format (0, "--no-pci%c", 0);
1427 vec_add1 (conf->eal_init_args, tmp);
1429 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1432 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1436 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1438 tmp = format (0, "-b%c", 0);
1439 vec_add1 (conf->eal_init_args, tmp);
1441 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1442 vec_add1 (conf->eal_init_args, tmp);
1444 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1446 u32 blacklist_entry;
1447 if (vendor > 0xFFFF)
1448 return clib_error_return (0, "blacklist PCI vendor out of range");
1449 if (device > 0xFFFF)
1450 return clib_error_return (0, "blacklist PCI device out of range");
1451 blacklist_entry = (vendor << 16) | (device & 0xffff);
1452 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1455 else if (unformat (input, "no-vmbus"))
1458 tmp = format (0, "--no-vmbus%c", 0);
1459 vec_add1 (conf->eal_init_args, tmp);
1463 else if (unformat(input, #a)) \
1465 tmp = format (0, "--%s%c", #a, 0); \
1466 vec_add1 (conf->eal_init_args, tmp); \
1468 foreach_eal_double_hyphen_predicate_arg
1471 else if (unformat(input, #a " %s", &s)) \
1473 if (!strncmp(#a, "file-prefix", 11)) \
1475 tmp = format (0, "--%s%c", #a, 0); \
1476 vec_add1 (conf->eal_init_args, tmp); \
1478 if (!strncmp(#a, "vdev", 4)) \
1479 if (strstr((char*)s, "af_packet")) \
1480 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1481 vec_add1 (conf->eal_init_args, s); \
1483 foreach_eal_double_hyphen_arg
1486 else if (unformat(input, #a " %s", &s)) \
1488 tmp = format (0, "-%s%c", #b, 0); \
1489 vec_add1 (conf->eal_init_args, tmp); \
1491 vec_add1 (conf->eal_init_args, s); \
1493 foreach_eal_single_hyphen_arg
1495 else if (unformat (input, "default"))
1498 else if (unformat_skip_white_space (input))
1502 error = clib_error_return (0, "unknown input `%U'",
1503 format_unformat_error, input);
1508 if (!conf->uio_driver_name)
1509 conf->uio_driver_name = format (0, "auto%c", 0);
1511 if (eal_no_hugetlb == 0)
1513 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1515 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1518 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1522 /* preallocate at least 16MB of hugepages per socket,
1523 if more is needed it is up to consumer to preallocate more */
1524 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1525 n_pages /= default_hugepage_sz;
1527 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1528 clib_error_report (e);
1533 /* on/off dpdk's telemetry thread */
1534 if (conf->enable_telemetry == 0)
1536 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1541 tmp = format (0, "--file-prefix%c", 0);
1542 vec_add1 (conf->eal_init_args, tmp);
1543 tmp = format (0, "vpp%c", 0);
1544 vec_add1 (conf->eal_init_args, tmp);
1550 if (no_pci == 0 && geteuid () == 0)
1551 dpdk_bind_devices_to_uio (conf);
1553 if (no_vmbus == 0 && geteuid () == 0)
1554 dpdk_bind_vmbus_devices_to_uio (conf);
1557 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1558 devconf->x = conf->default_devconf.x ;
1560 pool_foreach (devconf, conf->dev_confs) {
1562 /* default per-device config items */
1563 foreach_dpdk_device_config_item
1565 /* copy tso config from default device */
1568 /* copy tso config from default device */
1571 /* copy rss_queues config from default device */
1574 /* add DPDK EAL whitelist/blacklist entry */
1575 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1576 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1578 tmp = format (0, "-a%c", 0);
1579 vec_add1 (conf->eal_init_args, tmp);
1580 if (devconf->devargs)
1582 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1583 &devconf->pci_addr, devconf->devargs, 0);
1587 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1589 vec_add1 (conf->eal_init_args, tmp);
1591 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1592 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1594 tmp = format (0, "-b%c", 0);
1595 vec_add1 (conf->eal_init_args, tmp);
1596 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1597 vec_add1 (conf->eal_init_args, tmp);
1604 clib_warning ("socket-mem argument is deprecated");
1606 /* NULL terminate the "argv" vector, in case of stupidity */
1607 vec_add1 (conf->eal_init_args, 0);
1608 _vec_len (conf->eal_init_args) -= 1;
1610 /* Set up DPDK eal and packet mbuf pool early. */
1612 int log_fds[2] = { 0 };
1613 if (pipe (log_fds) == 0)
1615 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1617 FILE *f = fdopen (log_fds[1], "a");
1618 if (f && rte_openlog_stream (f) == 0)
1620 clib_file_t t = { 0 };
1621 t.read_function = dpdk_log_read_ready;
1622 t.file_descriptor = log_fds[0];
1623 t.description = format (0, "DPDK logging pipe");
1624 clib_file_add (&file_main, &t);
1634 vm = vlib_get_main ();
1636 /* make copy of args as rte_eal_init tends to mess up with arg array */
1637 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1638 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1639 conf->eal_init_args[i]);
1641 vec_terminate_c_string (conf->eal_init_args_str);
1643 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1644 ret = rte_eal_init (vec_len (conf->eal_init_args),
1645 (char **) conf->eal_init_args);
1647 /* enable the AVX-512 vPMDs in DPDK */
1648 if (clib_cpu_supports_avx512_bitalg () &&
1649 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1650 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1651 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1652 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1653 DPDK_MAX_SIMD_BITWIDTH_256 ?
1657 /* lazy umount hugepages */
1658 umount2 ((char *) huge_dir_path, MNT_DETACH);
1659 rmdir ((char *) huge_dir_path);
1660 vec_free (huge_dir_path);
1663 return clib_error_return (0, "rte_eal_init returned %d", ret);
1665 /* main thread 1st */
1666 if ((error = dpdk_buffer_pools_create (vm)))
1673 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1676 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1678 vnet_main_t *vnm = vnet_get_main ();
1679 struct rte_eth_link prev_link = xd->link;
1681 u8 hw_flags_chg = 0;
1683 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1684 clib_memset (&xd->link, 0, sizeof (xd->link));
1685 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1687 if (LINK_STATE_ELOGS)
1689 ELOG_TYPE_DECLARE (e) =
1692 "update-link-state: sw_if_index %d, admin_up %d,"
1693 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1702 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1703 ed->sw_if_index = xd->sw_if_index;
1704 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1705 ed->old_link_state = (u8)
1706 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1707 ed->new_link_state = (u8) xd->link.link_status;
1710 if ((xd->link.link_duplex != prev_link.link_duplex))
1713 switch (xd->link.link_duplex)
1715 case ETH_LINK_HALF_DUPLEX:
1716 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1718 case ETH_LINK_FULL_DUPLEX:
1719 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1725 if (xd->link.link_speed != prev_link.link_speed)
1726 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1727 xd->link.link_speed * 1000);
1729 if (xd->link.link_status != prev_link.link_status)
1733 if (xd->link.link_status)
1734 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1739 if (LINK_STATE_ELOGS)
1741 ELOG_TYPE_DECLARE (e) =
1744 "update-link-state: sw_if_index %d, new flags %d",.format_args
1752 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1753 ed->sw_if_index = xd->sw_if_index;
1754 ed->flags = hw_flags;
1756 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1761 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1763 clib_error_t *error;
1764 dpdk_main_t *dm = &dpdk_main;
1766 vlib_thread_main_t *tm = vlib_get_thread_main ();
1768 error = dpdk_lib_init (dm);
1771 clib_error_report (error);
1773 if (dpdk_cryptodev_init)
1775 error = dpdk_cryptodev_init (vm);
1778 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1780 clib_error_free (error);
1784 tm->worker_thread_release = 1;
1786 f64 now = vlib_time_now (vm);
1787 vec_foreach (xd, dm->devices)
1789 dpdk_update_link_state (xd, now);
1795 * check each time through the loop in case intervals are changed
1797 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1798 dm->link_state_poll_interval : dm->stat_poll_interval;
1800 vlib_process_wait_for_event_or_clock (vm, min_wait);
1802 if (dm->admin_up_down_in_progress)
1803 /* skip the poll if an admin up down is in progress (on any interface) */
1806 vec_foreach (xd, dm->devices)
1808 f64 now = vlib_time_now (vm);
1809 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1810 dpdk_update_counters (xd, now);
1811 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1812 dpdk_update_link_state (xd, now);
1821 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1822 .function = dpdk_process,
1823 .type = VLIB_NODE_TYPE_PROCESS,
1824 .name = "dpdk-process",
1825 .process_log2_n_stack_bytes = 17,
1829 static clib_error_t *
1830 dpdk_init (vlib_main_t * vm)
1832 dpdk_main_t *dm = &dpdk_main;
1833 clib_error_t *error = 0;
1835 /* verify that structs are cacheline aligned */
1836 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1837 "Cache line marker must be 1st element in dpdk_device_t");
1838 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1839 CLIB_CACHE_LINE_BYTES,
1840 "Data in cache line 0 is bigger than cache line size");
1841 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1842 "Cache line marker must be 1st element in frame_queue_trace_t");
1844 dpdk_cli_reference ();
1846 dm->conf = &dpdk_config_main;
1848 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1850 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1851 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1853 dm->log_default = vlib_log_register_class ("dpdk", 0);
1854 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1859 VLIB_INIT_FUNCTION (dpdk_init);
1861 static clib_error_t *
1862 dpdk_worker_thread_init (vlib_main_t *vm)
1864 if (rte_thread_register () < 0)
1865 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1866 rte_strerror (rte_errno));
1870 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);