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 (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;
244 RTE_ETH_FOREACH_DEV(i)
247 struct rte_eth_dev_info dev_info;
248 struct rte_pci_device *pci_dev;
249 struct rte_vmbus_device *vmbus_dev;
250 dpdk_portid_t next_port_id;
251 dpdk_device_config_t *devconf = 0;
252 vlib_pci_addr_t pci_addr;
253 vlib_vmbus_addr_t vmbus_addr;
256 if (!rte_eth_dev_is_valid_port(i))
259 rte_eth_dev_info_get (i, &dev_info);
261 if (dev_info.device == 0)
263 dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
264 dev_info.driver_name);
268 pci_dev = dpdk_get_pci_device (&dev_info);
272 pci_addr.domain = pci_dev->addr.domain;
273 pci_addr.bus = pci_dev->addr.bus;
274 pci_addr.slot = pci_dev->addr.devid;
275 pci_addr.function = pci_dev->addr.function;
276 p = hash_get (dm->conf->device_config_index_by_pci_addr,
280 vmbus_dev = dpdk_get_vmbus_device (&dev_info);
284 unformat_input_t input_vmbus;
285 unformat_init_string (&input_vmbus, dev_info.device->name,
286 strlen (dev_info.device->name));
287 if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr,
290 p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
293 unformat_free (&input_vmbus);
298 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
299 /* If device is blacklisted, we should skip it */
300 if (devconf->is_blacklisted)
306 devconf = &dm->conf->default_devconf;
308 /* Create vnet interface */
309 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
310 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
311 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
312 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
315 xd->name = devconf->name;
318 /* Handle representor devices that share the same PCI ID */
319 if (dev_info.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
321 if (dev_info.switch_info.port_id != (uint16_t)-1)
322 xd->interface_name_suffix = format (0, "%d", dev_info.switch_info.port_id);
324 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
326 ((next_port_id = rte_eth_find_next (i + 1)) != RTE_MAX_ETHPORTS))
328 struct rte_eth_dev_info di = { 0 };
329 struct rte_pci_device *next_pci_dev;
330 rte_eth_dev_info_get (next_port_id, &di);
331 next_pci_dev = di.device ? RTE_DEV_TO_PCI (di.device) : 0;
333 pci_addr.as_u32 != last_pci_addr.as_u32 &&
334 memcmp (&pci_dev->addr, &next_pci_dev->addr,
335 sizeof (struct rte_pci_addr)) == 0)
337 xd->interface_name_suffix = format (0, "0");
338 last_pci_addr.as_u32 = pci_addr.as_u32;
339 last_pci_addr_port = i;
341 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
343 xd->interface_name_suffix =
344 format (0, "%u", i - last_pci_addr_port);
348 last_pci_addr.as_u32 = ~0;
352 last_pci_addr.as_u32 = ~0;
354 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
355 sizeof (struct rte_eth_txconf));
357 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
359 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
360 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
363 if (dm->conf->enable_tcp_udp_checksum)
365 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_UDP_CKSUM)
366 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_UDP_CKSUM;
367 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
368 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_CKSUM;
369 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
370 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
372 if (dm->conf->enable_outer_checksum_offload)
374 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
375 xd->port_conf.txmode.offloads |=
376 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
377 if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
378 xd->port_conf.txmode.offloads |=
379 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM;
383 if (dm->conf->enable_lro)
385 if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
387 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_LRO;
388 if (devconf->max_lro_pkt_size)
389 xd->port_conf.rxmode.max_lro_pkt_size =
390 devconf->max_lro_pkt_size;
392 xd->port_conf.rxmode.max_lro_pkt_size =
393 DPDK_MAX_LRO_SIZE_DEFAULT;
396 if (dm->conf->no_multi_seg)
398 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
399 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
400 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
404 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
405 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
406 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
407 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
410 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
412 if (devconf->num_tx_queues > 0
413 && devconf->num_tx_queues < xd->tx_q_used)
414 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
416 if (devconf->num_rx_queues > 1
417 && dev_info.max_rx_queues >= devconf->num_rx_queues)
419 xd->rx_q_used = devconf->num_rx_queues;
420 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
421 if (devconf->rss_fn == 0)
422 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
423 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
426 u64 unsupported_bits;
427 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
428 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
429 unsupported_bits &= ~dev_info.flow_type_rss_offloads;
430 if (unsupported_bits)
431 dpdk_log_warn ("Unsupported RSS hash functions: %U",
432 format_dpdk_rss_hf_name, unsupported_bits);
434 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
435 dev_info.flow_type_rss_offloads;
440 vec_validate_aligned (xd->rx_queues, xd->rx_q_used - 1,
441 CLIB_CACHE_LINE_BYTES);
443 /* workaround for drivers not setting driver_name */
444 if ((!dev_info.driver_name) && (pci_dev))
445 dev_info.driver_name = pci_dev->driver->driver.name;
447 ASSERT (dev_info.driver_name);
453 #define _(s,f) else if (dev_info.driver_name && \
454 !strcmp(dev_info.driver_name, s)) \
455 xd->pmd = VNET_DPDK_PMD_##f;
461 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
463 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
464 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
465 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
469 /* Drivers with valid speed_capa set */
470 case VNET_DPDK_PMD_I40E:
471 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
473 case VNET_DPDK_PMD_E1000EM:
474 case VNET_DPDK_PMD_IGB:
475 case VNET_DPDK_PMD_IGC:
476 case VNET_DPDK_PMD_IXGBE:
477 case VNET_DPDK_PMD_ICE:
478 xd->port_type = port_type_from_speed_capa (&dev_info);
479 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
480 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
481 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
482 VNET_FLOW_ACTION_BUFFER_ADVANCE |
483 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP |
484 VNET_FLOW_ACTION_RSS;
486 if (dm->conf->no_tx_checksum_offload == 0)
488 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
489 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
490 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
491 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
494 xd->port_conf.intr_conf.rxq = 1;
496 case VNET_DPDK_PMD_MLX5:
497 if (dm->conf->no_tx_checksum_offload == 0)
499 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
500 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
501 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
502 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
504 xd->port_type = port_type_from_speed_capa (&dev_info);
506 case VNET_DPDK_PMD_CXGBE:
507 case VNET_DPDK_PMD_MLX4:
508 case VNET_DPDK_PMD_QEDE:
509 case VNET_DPDK_PMD_BNXT:
510 xd->port_type = port_type_from_speed_capa (&dev_info);
514 case VNET_DPDK_PMD_I40EVF:
515 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
517 case VNET_DPDK_PMD_IGBVF:
518 case VNET_DPDK_PMD_IXGBEVF:
519 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
520 if (dm->conf->no_tx_checksum_offload == 0)
522 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
523 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
525 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 (dm->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;
547 DPDK_DEVICE_FLAG_TX_OFFLOAD |
548 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
550 /* DPDK bug in multiqueue... */
551 /* xd->port_conf.intr_conf.rxq = 1; */
554 case VNET_DPDK_PMD_THUNDERX:
555 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
557 if (dm->conf->no_tx_checksum_offload == 0)
559 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
560 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
561 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
565 case VNET_DPDK_PMD_ENA:
566 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
567 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
568 xd->port_conf.intr_conf.rxq = 1;
569 if (dm->conf->no_tx_checksum_offload == 0)
571 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
572 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
573 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
574 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
578 case VNET_DPDK_PMD_DPAA2:
579 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
583 case VNET_DPDK_PMD_ENIC:
585 struct rte_eth_link l;
586 rte_eth_link_get_nowait (i, &l);
587 xd->port_type = port_type_from_link_speed (l.link_speed);
588 if (dm->conf->enable_tcp_udp_checksum)
589 dpdk_enable_l4_csum_offload (xd);
593 /* Intel Red Rock Canyon */
594 case VNET_DPDK_PMD_FM10K:
595 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
599 case VNET_DPDK_PMD_VIRTIO:
600 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
601 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
602 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
603 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
605 * Enable use of RX interrupts if supported.
607 * There is no device flag or capability for this, so
608 * use the same check that the virtio driver does.
610 if (pci_dev && rte_intr_cap_multiple (&pci_dev->intr_handle))
611 xd->port_conf.intr_conf.rxq = 1;
615 case VNET_DPDK_PMD_VMXNET3:
616 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
617 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
618 /* TCP csum offload not working although udp might work. Left
619 * disabled for now */
620 if (0 && (dm->conf->no_tx_checksum_offload == 0))
622 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
623 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
624 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
625 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
629 case VNET_DPDK_PMD_AF_PACKET:
630 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
631 xd->af_packet_instance_num = af_packet_instance_num++;
634 case VNET_DPDK_PMD_VIRTIO_USER:
635 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
638 case VNET_DPDK_PMD_VHOST_ETHER:
639 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
642 case VNET_DPDK_PMD_LIOVF_ETHER:
643 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
646 case VNET_DPDK_PMD_FAILSAFE:
647 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
648 xd->port_conf.intr_conf.lsc = 1;
651 case VNET_DPDK_PMD_NETVSC:
653 struct rte_eth_link l;
654 rte_eth_link_get_nowait (i, &l);
655 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
660 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
663 if (devconf->num_rx_desc)
664 xd->nb_rx_desc = devconf->num_rx_desc;
667 /* If num_rx_desc is not specified by VPP user, the current CPU is working
668 with 2M page and has no L3 cache, default num_rx_desc is changed to 512
669 from original 1024 to help reduce TLB misses.
671 if ((clib_mem_get_default_hugepage_size () == 2 << 20)
672 && check_l3cache() == 0)
673 xd->nb_rx_desc = 512;
676 if (devconf->num_tx_desc)
677 xd->nb_tx_desc = devconf->num_tx_desc;
680 /* If num_tx_desc is not specified by VPP user, the current CPU is working
681 with 2M page and has no L3 cache, default num_tx_desc is changed to 512
682 from original 1024 to help reduce TLB misses.
684 if ((clib_mem_get_default_hugepage_size () == 2 << 20)
685 && check_l3cache() == 0)
686 xd->nb_tx_desc = 512;
690 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
692 f64 now = vlib_time_now (vm);
694 rnd = (u32) (now * 1e6);
695 rnd = random_u32 (&rnd);
696 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
701 rte_eth_macaddr_get (i, (void *) addr);
704 xd->device_index = xd - dm->devices;
705 xd->per_interface_next_index = ~0;
707 /* assign interface to input thread */
710 error = ethernet_register_interface (
711 vnm, dpdk_device_class.index, xd->device_index,
712 /* ethernet address */ addr, &xd->hw_if_index, dpdk_flag_change);
717 * Ensure default mtu is not > the mtu read from the hardware.
718 * Otherwise rte_eth_dev_configure() will fail and the port will
720 * Calculate max_frame_size and mtu supported by NIC
722 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
725 * This device does not support the platforms's max frame
726 * size. Use it's advertised mru instead.
728 max_rx_frame = dev_info.max_rx_pktlen;
729 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
733 /* VPP treats MTU and max_rx_pktlen both equal to
734 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
735 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
737 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
738 sizeof (ethernet_header_t)))
740 mtu = ETHERNET_MAX_PACKET_BYTES;
741 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
744 * Some platforms do not account for Ethernet FCS (4 bytes) in
745 * MTU calculations. To interop with them increase mru but only
746 * if the device's settings can support it.
748 if (dpdk_port_crc_strip_enabled (xd) &&
749 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
750 sizeof (ethernet_header_t) +
758 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
759 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
761 if (dpdk_port_crc_strip_enabled (xd) &&
762 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
769 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
771 /* failsafe device numerables are reported with active device only,
772 * need to query the mtu for current device setup to overwrite
776 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
779 max_rx_frame = mtu + sizeof (ethernet_header_t);
781 if (dpdk_port_crc_strip_enabled (xd))
788 /*Set port rxmode config */
789 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
791 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
792 xd->sw_if_index = sw->sw_if_index;
793 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
795 if (devconf->workers)
799 clib_bitmap_foreach (j, devconf->workers)
801 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
802 rxq->queue_index = vnet_hw_if_register_rx_queue (
803 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
807 for (q = 0; q < xd->rx_q_used; q++)
809 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
810 rxq->queue_index = vnet_hw_if_register_rx_queue (
811 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
814 vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
816 /*Get vnet hardware interface */
817 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
819 /*Override default max_packet_bytes and max_supported_bytes set in
820 * ethernet_register_interface() above*/
823 hi->max_packet_bytes = mtu;
824 hi->max_supported_packet_bytes = max_rx_frame;
825 hi->numa_node = xd->cpu_socket;
827 /* Indicate ability to support L3 DMAC filtering and
828 * initialize interface to L3 non-promisc mode */
829 hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_MAC_FILTER;
830 ethernet_set_flags (vnm, xd->hw_if_index,
831 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
834 if (dm->conf->no_tx_checksum_offload == 0)
835 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
837 hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_CKSUM |
838 VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM |
839 VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM;
840 if (dm->conf->enable_outer_checksum_offload)
842 hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_OUTER_CKSUM |
843 VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_OUTER_CKSUM;
846 if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
848 /*tcp_udp checksum must be enabled*/
849 if ((dm->conf->enable_tcp_udp_checksum) &&
850 (hi->caps & VNET_HW_INTERFACE_CAP_SUPPORTS_TX_CKSUM))
852 hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_TCP_GSO;
853 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO;
855 if (dm->conf->enable_outer_checksum_offload &&
856 (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO))
858 xd->port_conf.txmode.offloads |=
859 DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
860 hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_VXLAN_TNL_GSO;
864 clib_warning ("%s: TCP/UDP checksum offload must be enabled",
868 dpdk_device_setup (xd);
870 /* rss queues should be configured after dpdk_device_setup() */
871 if ((hi != NULL) && (devconf->rss_queues != NULL))
873 if (vnet_hw_interface_set_rss_queues
874 (vnet_get_main (), hi, devconf->rss_queues))
876 clib_warning ("%s: Failed to set rss queues", hi->name);
880 if (vec_len (xd->errors))
881 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
882 format_dpdk_device_name, i,
883 format_dpdk_device_errors, xd);
886 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
887 - sizeof (ethernet_header_t);
889 dpdk_log_warn ("hi NULL");
891 if (dm->conf->no_multi_seg)
892 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
894 rte_eth_dev_set_mtu (xd->port_id, mtu);
903 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
905 vlib_main_t *vm = vlib_get_main ();
908 int num_whitelisted = vec_len (conf->dev_confs);
909 vlib_pci_device_info_t *d = 0;
910 vlib_pci_addr_t *addr = 0, *addrs;
913 addrs = vlib_pci_get_all_dev_addrs ();
915 vec_foreach (addr, addrs)
917 dpdk_device_config_t * devconf = 0;
918 vec_reset_length (pci_addr);
919 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
922 vlib_pci_free_device_info (d);
925 d = vlib_pci_get_device_info (vm, addr, &error);
928 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
929 clib_error_free (error);
933 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
938 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
946 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
949 /* Enforce Device blacklist by vendor and device */
950 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
953 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
954 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
955 if (d->vendor_id == vendor && d->device_id == device)
958 * Expected case: device isn't whitelisted,
963 /* Device is blacklisted */
964 pool_get (conf->dev_confs, devconf);
965 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
966 devconf - conf->dev_confs);
967 devconf->pci_addr.as_u32 = addr->as_u32;
968 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
969 devconf->is_blacklisted = 1;
972 else /* explicitly whitelisted, ignore the device blacklist */
978 if (d->vendor_id == 0x1af4 &&
979 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
980 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
983 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
986 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
987 * the default is to put it in the blacklist.
991 pool_get (conf->dev_confs, devconf);
992 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
993 devconf - conf->dev_confs);
994 devconf->pci_addr.as_u32 = addr->as_u32;
995 devconf->is_blacklisted = 1;
998 /* all Intel network devices */
999 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
1001 /* all Intel QAT devices VFs */
1002 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
1003 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
1004 d->device_id == 0x37c9 || d->device_id == 0x6f55))
1007 else if (d->vendor_id == 0x1137 &&
1008 (d->device_id == 0x0043 || d->device_id == 0x0071))
1011 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
1013 /* Amazon Elastic Network Adapter */
1014 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
1016 /* Cavium Network Adapter */
1017 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
1019 /* Cavium FastlinQ QL41000 Series */
1020 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
1022 /* Mellanox CX3, CX3VF */
1023 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
1027 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
1028 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
1032 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
1033 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
1037 /* Broadcom NetXtreme S, and E series only */
1038 else if (d->vendor_id == 0x14e4 &&
1039 ((d->device_id >= 0x16c0 &&
1040 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
1041 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
1042 d->device_id != 0x16fd && d->device_id != 0x16fe &&
1043 d->device_id != 0x170d && d->device_id != 0x170c &&
1044 d->device_id != 0x170e && d->device_id != 0x1712 &&
1045 d->device_id != 0x1713) ||
1046 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
1047 d->device_id == 0x1614 || d->device_id == 0x1606 ||
1048 d->device_id == 0x1609 || d->device_id == 0x1614)))
1052 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
1053 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
1058 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
1064 pool_get (conf->dev_confs, devconf);
1065 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
1066 devconf - conf->dev_confs);
1067 devconf->pci_addr.as_u32 = addr->as_u32;
1069 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1070 devconf->is_blacklisted = 1;
1071 clib_error_report (error);
1075 vec_free (pci_addr);
1076 vlib_pci_free_device_info (d);
1080 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
1082 clib_error_t *error;
1083 vlib_vmbus_addr_t *addrs, *addr = 0;
1084 int num_whitelisted = vec_len (conf->dev_confs);
1087 addrs = vlib_vmbus_get_all_dev_addrs ();
1090 vec_foreach (addr, addrs)
1092 dpdk_device_config_t *devconf = 0;
1093 if (num_whitelisted)
1096 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
1099 /* No devices blacklisted, but have whitelisted. blacklist all
1100 * non-whitelisted */
1101 pool_get (conf->dev_confs, devconf);
1102 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1103 devconf - conf->dev_confs, 0);
1104 devconf->vmbus_addr = *addr;
1105 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1106 devconf->is_blacklisted = 1;
1111 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
1114 /* Enforce Device blacklist by vmbus_addr */
1115 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
1117 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
1118 vlib_vmbus_addr_t *a2 = addr;
1119 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
1123 /* Device not whitelisted */
1124 pool_get (conf->dev_confs, devconf);
1125 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1126 devconf - conf->dev_confs, 0);
1127 devconf->vmbus_addr = *addr;
1128 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1129 devconf->is_blacklisted = 1;
1139 error = vlib_vmbus_bind_to_uio (addr);
1144 pool_get (conf->dev_confs, devconf);
1145 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1146 devconf - conf->dev_confs, 0);
1147 devconf->vmbus_addr = *addr;
1149 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1150 devconf->is_blacklisted = 1;
1151 clib_error_report (error);
1158 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
1160 uword *max_simd_bitwidth = va_arg (*va, uword *);
1162 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1164 if (!unformat (input, "%u", max_simd_bitwidth))
1167 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
1168 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
1176 static clib_error_t *
1177 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
1178 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
1181 clib_error_t *error = 0;
1183 dpdk_device_config_t *devconf = 0;
1184 unformat_input_t sub_input;
1188 devconf = &conf->default_devconf;
1190 else if (addr_type == VNET_DEV_ADDR_PCI)
1192 p = hash_get (conf->device_config_index_by_pci_addr,
1193 ((vlib_pci_addr_t *) (addr))->as_u32);
1197 pool_get (conf->dev_confs, devconf);
1198 hash_set (conf->device_config_index_by_pci_addr,
1199 ((vlib_pci_addr_t *) (addr))->as_u32,
1200 devconf - conf->dev_confs);
1203 return clib_error_return (0,
1204 "duplicate configuration for PCI address %U",
1205 format_vlib_pci_addr, addr);
1207 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1209 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
1210 (vlib_vmbus_addr_t *) (addr));
1214 pool_get (conf->dev_confs, devconf);
1215 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1216 devconf - conf->dev_confs, 0);
1219 return clib_error_return (
1220 0, "duplicate configuration for VMBUS address %U",
1221 format_vlib_vmbus_addr, addr);
1224 if (addr_type == VNET_DEV_ADDR_PCI)
1226 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
1227 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1228 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1230 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1232 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
1233 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1234 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1240 unformat_skip_white_space (input);
1241 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1243 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1245 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1247 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1249 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1251 else if (unformat (input, "name %s", &devconf->name))
1253 else if (unformat (input, "workers %U", unformat_bitmap_list,
1258 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1260 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1264 else if (unformat (input, "tso on"))
1266 devconf->tso = DPDK_DEVICE_TSO_ON;
1268 else if (unformat (input, "tso off"))
1270 devconf->tso = DPDK_DEVICE_TSO_OFF;
1272 else if (unformat (input, "devargs %s", &devconf->devargs))
1274 else if (unformat (input, "rss-queues %U",
1275 unformat_bitmap_list, &devconf->rss_queues))
1277 else if (unformat (input, "max-lro-pkt-size %u",
1278 &devconf->max_lro_pkt_size))
1282 error = clib_error_return (0, "unknown input `%U'",
1283 format_unformat_error, input);
1291 if (devconf->workers && devconf->num_rx_queues == 0)
1292 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1293 else if (devconf->workers &&
1294 clib_bitmap_count_set_bits (devconf->workers) !=
1295 devconf->num_rx_queues)
1296 error = clib_error_return (0,
1297 "%U: number of worker threads must be "
1298 "equal to number of rx queues",
1299 format_vlib_pci_addr, addr);
1304 static clib_error_t *
1305 dpdk_log_read_ready (clib_file_t * uf)
1307 unformat_input_t input;
1314 uword len = vec_len (s);
1315 vec_resize (s, len + n_try);
1317 n = read (uf->file_descriptor, s + len, n_try);
1318 if (n < 0 && errno != EAGAIN)
1319 return clib_error_return_unix (0, "read");
1320 _vec_len (s) = len + (n < 0 ? 0 : n);
1323 unformat_init_vector (&input, s);
1325 while (unformat_user (&input, unformat_line, &line))
1327 dpdk_log_notice ("%v", line);
1331 unformat_free (&input);
1335 static clib_error_t *
1336 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1338 clib_error_t *error = 0;
1339 dpdk_config_main_t *conf = &dpdk_config_main;
1340 vlib_thread_main_t *tm = vlib_get_thread_main ();
1341 dpdk_device_config_t *devconf;
1342 vlib_pci_addr_t pci_addr = { 0 };
1343 vlib_vmbus_addr_t vmbus_addr = { 0 };
1344 unformat_input_t sub_input;
1345 uword default_hugepage_sz, x;
1348 int num_whitelisted = 0;
1349 int eal_no_hugetlb = 0;
1354 u8 *huge_dir_path = 0;
1355 u32 vendor, device, domain, bus, func;
1358 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1360 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1361 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1362 sizeof (vlib_vmbus_addr_t));
1364 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1366 /* Prime the pump */
1367 if (unformat (input, "no-hugetlb"))
1369 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1372 else if (unformat (input, "telemetry"))
1373 conf->enable_telemetry = 1;
1375 else if (unformat (input, "enable-tcp-udp-checksum"))
1377 conf->enable_tcp_udp_checksum = 1;
1378 if (unformat (input, "enable-outer-checksum-offload"))
1379 conf->enable_outer_checksum_offload = 1;
1381 else if (unformat (input, "no-tx-checksum-offload"))
1382 conf->no_tx_checksum_offload = 1;
1384 else if (unformat (input, "decimal-interface-names"))
1385 conf->interface_name_format_decimal = 1;
1387 else if (unformat (input, "no-multi-seg"))
1388 conf->no_multi_seg = 1;
1389 else if (unformat (input, "enable-lro"))
1390 conf->enable_lro = 1;
1391 else if (unformat (input, "max-simd-bitwidth %U",
1392 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1394 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1398 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1405 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1406 unformat_vlib_cli_sub_input, &sub_input))
1408 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1416 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1419 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1426 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1427 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1429 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1437 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1441 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1448 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1450 else if (unformat (input, "socket-mem %s", &socket_mem))
1452 else if (unformat (input, "no-pci"))
1455 tmp = format (0, "--no-pci%c", 0);
1456 vec_add1 (conf->eal_init_args, tmp);
1458 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1461 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1465 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1467 tmp = format (0, "-b%c", 0);
1468 vec_add1 (conf->eal_init_args, tmp);
1470 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1471 vec_add1 (conf->eal_init_args, tmp);
1473 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1475 u32 blacklist_entry;
1476 if (vendor > 0xFFFF)
1477 return clib_error_return (0, "blacklist PCI vendor out of range");
1478 if (device > 0xFFFF)
1479 return clib_error_return (0, "blacklist PCI device out of range");
1480 blacklist_entry = (vendor << 16) | (device & 0xffff);
1481 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1484 else if (unformat (input, "no-vmbus"))
1487 tmp = format (0, "--no-vmbus%c", 0);
1488 vec_add1 (conf->eal_init_args, tmp);
1492 else if (unformat(input, #a)) \
1494 tmp = format (0, "--%s%c", #a, 0); \
1495 vec_add1 (conf->eal_init_args, tmp); \
1497 foreach_eal_double_hyphen_predicate_arg
1500 else if (unformat(input, #a " %s", &s)) \
1502 if (!strncmp(#a, "file-prefix", 11)) \
1504 tmp = format (0, "--%s%c", #a, 0); \
1505 vec_add1 (conf->eal_init_args, tmp); \
1507 if (!strncmp(#a, "vdev", 4)) \
1508 if (strstr((char*)s, "af_packet")) \
1509 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1510 vec_add1 (conf->eal_init_args, s); \
1512 foreach_eal_double_hyphen_arg
1515 else if (unformat(input, #a " %s", &s)) \
1517 tmp = format (0, "-%s%c", #b, 0); \
1518 vec_add1 (conf->eal_init_args, tmp); \
1520 vec_add1 (conf->eal_init_args, s); \
1522 foreach_eal_single_hyphen_arg
1524 else if (unformat (input, "default"))
1527 else if (unformat_skip_white_space (input))
1531 error = clib_error_return (0, "unknown input `%U'",
1532 format_unformat_error, input);
1537 if (!conf->uio_driver_name)
1538 conf->uio_driver_name = format (0, "auto%c", 0);
1540 if (eal_no_hugetlb == 0)
1542 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1544 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1547 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1551 /* preallocate at least 16MB of hugepages per socket,
1552 if more is needed it is up to consumer to preallocate more */
1553 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1554 n_pages /= default_hugepage_sz;
1556 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1557 clib_error_report (e);
1562 /* on/off dpdk's telemetry thread */
1563 if (conf->enable_telemetry == 0)
1565 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1570 tmp = format (0, "--file-prefix%c", 0);
1571 vec_add1 (conf->eal_init_args, tmp);
1572 tmp = format (0, "vpp%c", 0);
1573 vec_add1 (conf->eal_init_args, tmp);
1579 if (no_pci == 0 && geteuid () == 0)
1580 dpdk_bind_devices_to_uio (conf);
1582 if (no_vmbus == 0 && geteuid () == 0)
1583 dpdk_bind_vmbus_devices_to_uio (conf);
1586 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1587 devconf->x = conf->default_devconf.x ;
1589 pool_foreach (devconf, conf->dev_confs) {
1591 /* default per-device config items */
1592 foreach_dpdk_device_config_item
1594 /* copy tso config from default device */
1597 /* copy tso config from default device */
1600 /* copy rss_queues config from default device */
1603 /* add DPDK EAL whitelist/blacklist entry */
1604 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1605 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1607 tmp = format (0, "-a%c", 0);
1608 vec_add1 (conf->eal_init_args, tmp);
1609 if (devconf->devargs)
1611 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1612 &devconf->pci_addr, devconf->devargs, 0);
1616 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1618 vec_add1 (conf->eal_init_args, tmp);
1620 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1621 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1623 tmp = format (0, "-b%c", 0);
1624 vec_add1 (conf->eal_init_args, tmp);
1625 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1626 vec_add1 (conf->eal_init_args, tmp);
1633 clib_warning ("socket-mem argument is deprecated");
1635 /* NULL terminate the "argv" vector, in case of stupidity */
1636 vec_add1 (conf->eal_init_args, 0);
1637 _vec_len (conf->eal_init_args) -= 1;
1639 /* Set up DPDK eal and packet mbuf pool early. */
1641 int log_fds[2] = { 0 };
1642 if (pipe (log_fds) == 0)
1644 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1646 FILE *f = fdopen (log_fds[1], "a");
1647 if (f && rte_openlog_stream (f) == 0)
1649 clib_file_t t = { 0 };
1650 t.read_function = dpdk_log_read_ready;
1651 t.file_descriptor = log_fds[0];
1652 t.description = format (0, "DPDK logging pipe");
1653 clib_file_add (&file_main, &t);
1663 vm = vlib_get_main ();
1665 /* make copy of args as rte_eal_init tends to mess up with arg array */
1666 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1667 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1668 conf->eal_init_args[i]);
1670 vec_terminate_c_string (conf->eal_init_args_str);
1672 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1673 ret = rte_eal_init (vec_len (conf->eal_init_args),
1674 (char **) conf->eal_init_args);
1676 /* enable the AVX-512 vPMDs in DPDK */
1677 if (clib_cpu_supports_avx512_bitalg () &&
1678 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1679 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1680 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1681 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1682 DPDK_MAX_SIMD_BITWIDTH_256 ?
1686 /* lazy umount hugepages */
1687 umount2 ((char *) huge_dir_path, MNT_DETACH);
1688 rmdir ((char *) huge_dir_path);
1689 vec_free (huge_dir_path);
1692 return clib_error_return (0, "rte_eal_init returned %d", ret);
1694 /* main thread 1st */
1695 if ((error = dpdk_buffer_pools_create (vm)))
1702 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1705 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1707 vnet_main_t *vnm = vnet_get_main ();
1708 struct rte_eth_link prev_link = xd->link;
1710 u8 hw_flags_chg = 0;
1712 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1713 clib_memset (&xd->link, 0, sizeof (xd->link));
1714 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1716 if (LINK_STATE_ELOGS)
1718 ELOG_TYPE_DECLARE (e) =
1721 "update-link-state: sw_if_index %d, admin_up %d,"
1722 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1731 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1732 ed->sw_if_index = xd->sw_if_index;
1733 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1734 ed->old_link_state = (u8)
1735 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1736 ed->new_link_state = (u8) xd->link.link_status;
1739 if ((xd->link.link_duplex != prev_link.link_duplex))
1742 switch (xd->link.link_duplex)
1744 case ETH_LINK_HALF_DUPLEX:
1745 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1747 case ETH_LINK_FULL_DUPLEX:
1748 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1754 if (xd->link.link_speed != prev_link.link_speed)
1755 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1756 xd->link.link_speed * 1000);
1758 if (xd->link.link_status != prev_link.link_status)
1762 if (xd->link.link_status)
1763 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1768 if (LINK_STATE_ELOGS)
1770 ELOG_TYPE_DECLARE (e) =
1773 "update-link-state: sw_if_index %d, new flags %d",.format_args
1781 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1782 ed->sw_if_index = xd->sw_if_index;
1783 ed->flags = hw_flags;
1785 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1790 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1792 clib_error_t *error;
1793 dpdk_main_t *dm = &dpdk_main;
1795 vlib_thread_main_t *tm = vlib_get_thread_main ();
1797 error = dpdk_lib_init (dm);
1800 clib_error_report (error);
1802 if (dpdk_cryptodev_init)
1804 error = dpdk_cryptodev_init (vm);
1807 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1809 clib_error_free (error);
1813 tm->worker_thread_release = 1;
1815 f64 now = vlib_time_now (vm);
1816 vec_foreach (xd, dm->devices)
1818 dpdk_update_link_state (xd, now);
1824 * check each time through the loop in case intervals are changed
1826 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1827 dm->link_state_poll_interval : dm->stat_poll_interval;
1829 vlib_process_wait_for_event_or_clock (vm, min_wait);
1831 if (dm->admin_up_down_in_progress)
1832 /* skip the poll if an admin up down is in progress (on any interface) */
1835 vec_foreach (xd, dm->devices)
1837 f64 now = vlib_time_now (vm);
1838 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1839 dpdk_update_counters (xd, now);
1840 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1841 dpdk_update_link_state (xd, now);
1850 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1851 .function = dpdk_process,
1852 .type = VLIB_NODE_TYPE_PROCESS,
1853 .name = "dpdk-process",
1854 .process_log2_n_stack_bytes = 17,
1858 static clib_error_t *
1859 dpdk_init (vlib_main_t * vm)
1861 dpdk_main_t *dm = &dpdk_main;
1862 clib_error_t *error = 0;
1864 /* verify that structs are cacheline aligned */
1865 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1866 "Cache line marker must be 1st element in dpdk_device_t");
1867 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1868 CLIB_CACHE_LINE_BYTES,
1869 "Data in cache line 0 is bigger than cache line size");
1870 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1871 "Cache line marker must be 1st element in frame_queue_trace_t");
1873 dpdk_cli_reference ();
1875 dm->conf = &dpdk_config_main;
1877 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1879 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1880 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1882 dm->log_default = vlib_log_register_class ("dpdk", 0);
1883 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1888 VLIB_INIT_FUNCTION (dpdk_init);
1890 static clib_error_t *
1891 dpdk_worker_thread_init (vlib_main_t *vm)
1893 if (rte_thread_register () < 0)
1894 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1895 rte_strerror (rte_errno));
1899 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);