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 xd->flags |= DPDK_DEVICE_FLAG_PMD;
445 /* workaround for drivers not setting driver_name */
446 if ((!dev_info.driver_name) && (pci_dev))
447 dev_info.driver_name = pci_dev->driver->driver.name;
449 ASSERT (dev_info.driver_name);
455 #define _(s,f) else if (dev_info.driver_name && \
456 !strcmp(dev_info.driver_name, s)) \
457 xd->pmd = VNET_DPDK_PMD_##f;
463 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
465 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
466 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
467 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
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 (&dev_info);
481 xd->supported_flow_actions = VNET_FLOW_ACTION_MARK |
482 VNET_FLOW_ACTION_REDIRECT_TO_NODE |
483 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
484 VNET_FLOW_ACTION_BUFFER_ADVANCE |
485 VNET_FLOW_ACTION_COUNT | VNET_FLOW_ACTION_DROP |
486 VNET_FLOW_ACTION_RSS;
488 if (dm->conf->no_tx_checksum_offload == 0)
490 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
491 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
492 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
493 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
496 xd->port_conf.intr_conf.rxq = 1;
498 case VNET_DPDK_PMD_MLX5:
499 if (dm->conf->no_tx_checksum_offload == 0)
501 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
502 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
503 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
504 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
506 xd->port_type = port_type_from_speed_capa (&dev_info);
508 case VNET_DPDK_PMD_CXGBE:
509 case VNET_DPDK_PMD_MLX4:
510 case VNET_DPDK_PMD_QEDE:
511 case VNET_DPDK_PMD_BNXT:
512 xd->port_type = port_type_from_speed_capa (&dev_info);
516 case VNET_DPDK_PMD_I40EVF:
517 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
519 case VNET_DPDK_PMD_IGBVF:
520 case VNET_DPDK_PMD_IXGBEVF:
521 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
522 if (dm->conf->no_tx_checksum_offload == 0)
524 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
525 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
527 DPDK_DEVICE_FLAG_TX_OFFLOAD |
528 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
530 /* DPDK bug in multiqueue... */
531 /* xd->port_conf.intr_conf.rxq = 1; */
535 case VNET_DPDK_PMD_IAVF:
536 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
537 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
538 xd->supported_flow_actions =
539 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
540 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
541 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
542 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
544 if (dm->conf->no_tx_checksum_offload == 0)
546 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
547 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
549 DPDK_DEVICE_FLAG_TX_OFFLOAD |
550 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
552 /* DPDK bug in multiqueue... */
553 /* xd->port_conf.intr_conf.rxq = 1; */
556 case VNET_DPDK_PMD_THUNDERX:
557 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
559 if (dm->conf->no_tx_checksum_offload == 0)
561 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
562 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
563 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
567 case VNET_DPDK_PMD_ENA:
568 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
569 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
570 xd->port_conf.intr_conf.rxq = 1;
571 if (dm->conf->no_tx_checksum_offload == 0)
573 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
574 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
575 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
576 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
580 case VNET_DPDK_PMD_DPAA2:
581 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
585 case VNET_DPDK_PMD_ENIC:
587 struct rte_eth_link l;
588 rte_eth_link_get_nowait (i, &l);
589 xd->port_type = port_type_from_link_speed (l.link_speed);
590 if (dm->conf->enable_tcp_udp_checksum)
591 dpdk_enable_l4_csum_offload (xd);
595 /* Intel Red Rock Canyon */
596 case VNET_DPDK_PMD_FM10K:
597 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
601 case VNET_DPDK_PMD_VIRTIO:
602 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_NONE;
603 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
604 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
605 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
607 * Enable use of RX interrupts if supported.
609 * There is no device flag or capability for this, so
610 * use the same check that the virtio driver does.
612 if (pci_dev && rte_intr_cap_multiple (&pci_dev->intr_handle))
613 xd->port_conf.intr_conf.rxq = 1;
617 case VNET_DPDK_PMD_VMXNET3:
618 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
619 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
620 /* TCP csum offload not working although udp might work. Left
621 * disabled for now */
622 if (0 && (dm->conf->no_tx_checksum_offload == 0))
624 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
625 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
626 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
627 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD;
631 case VNET_DPDK_PMD_AF_PACKET:
632 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
633 xd->af_packet_instance_num = af_packet_instance_num++;
636 case VNET_DPDK_PMD_VIRTIO_USER:
637 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
640 case VNET_DPDK_PMD_VHOST_ETHER:
641 xd->port_type = VNET_DPDK_PORT_TYPE_VHOST_ETHER;
644 case VNET_DPDK_PMD_LIOVF_ETHER:
645 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
648 case VNET_DPDK_PMD_FAILSAFE:
649 xd->port_type = VNET_DPDK_PORT_TYPE_FAILSAFE;
650 xd->port_conf.intr_conf.lsc = 1;
653 case VNET_DPDK_PMD_NETVSC:
655 struct rte_eth_link l;
656 rte_eth_link_get_nowait (i, &l);
657 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
662 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
665 if (devconf->num_rx_desc)
666 xd->nb_rx_desc = devconf->num_rx_desc;
669 /* If num_rx_desc is not specified by VPP user, the current CPU is working
670 with 2M page and has no L3 cache, default num_rx_desc is changed to 512
671 from original 1024 to help reduce TLB misses.
673 if ((clib_mem_get_default_hugepage_size () == 2 << 20)
674 && check_l3cache() == 0)
675 xd->nb_rx_desc = 512;
678 if (devconf->num_tx_desc)
679 xd->nb_tx_desc = devconf->num_tx_desc;
682 /* If num_tx_desc is not specified by VPP user, the current CPU is working
683 with 2M page and has no L3 cache, default num_tx_desc is changed to 512
684 from original 1024 to help reduce TLB misses.
686 if ((clib_mem_get_default_hugepage_size () == 2 << 20)
687 && check_l3cache() == 0)
688 xd->nb_tx_desc = 512;
692 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
694 f64 now = vlib_time_now (vm);
696 rnd = (u32) (now * 1e6);
697 rnd = random_u32 (&rnd);
698 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
703 rte_eth_macaddr_get (i, (void *) addr);
706 xd->device_index = xd - dm->devices;
707 xd->per_interface_next_index = ~0;
709 /* assign interface to input thread */
712 error = ethernet_register_interface (
713 vnm, dpdk_device_class.index, xd->device_index,
714 /* ethernet address */ addr, &xd->hw_if_index, dpdk_flag_change);
719 * Ensure default mtu is not > the mtu read from the hardware.
720 * Otherwise rte_eth_dev_configure() will fail and the port will
722 * Calculate max_frame_size and mtu supported by NIC
724 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
727 * This device does not support the platforms's max frame
728 * size. Use it's advertised mru instead.
730 max_rx_frame = dev_info.max_rx_pktlen;
731 mtu = dev_info.max_rx_pktlen - sizeof (ethernet_header_t);
735 /* VPP treats MTU and max_rx_pktlen both equal to
736 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
737 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
739 if (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
740 sizeof (ethernet_header_t)))
742 mtu = ETHERNET_MAX_PACKET_BYTES;
743 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
746 * Some platforms do not account for Ethernet FCS (4 bytes) in
747 * MTU calculations. To interop with them increase mru but only
748 * if the device's settings can support it.
750 if (dpdk_port_crc_strip_enabled (xd) &&
751 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
752 sizeof (ethernet_header_t) +
760 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
761 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
763 if (dpdk_port_crc_strip_enabled (xd) &&
764 (dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
771 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
773 /* failsafe device numerables are reported with active device only,
774 * need to query the mtu for current device setup to overwrite
778 if (!rte_eth_dev_get_mtu (i, &dev_mtu))
781 max_rx_frame = mtu + sizeof (ethernet_header_t);
783 if (dpdk_port_crc_strip_enabled (xd))
790 /*Set port rxmode config */
791 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
793 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
794 xd->sw_if_index = sw->sw_if_index;
795 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
797 if (devconf->workers)
801 clib_bitmap_foreach (j, devconf->workers)
803 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
804 rxq->queue_index = vnet_hw_if_register_rx_queue (
805 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
809 for (q = 0; q < xd->rx_q_used; q++)
811 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
812 rxq->queue_index = vnet_hw_if_register_rx_queue (
813 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
816 vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
818 /*Get vnet hardware interface */
819 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
821 /*Override default max_packet_bytes and max_supported_bytes set in
822 * ethernet_register_interface() above*/
825 hi->max_packet_bytes = mtu;
826 hi->max_supported_packet_bytes = max_rx_frame;
827 hi->numa_node = xd->cpu_socket;
829 /* Indicate ability to support L3 DMAC filtering and
830 * initialize interface to L3 non-promisc mode */
831 hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_MAC_FILTER;
832 ethernet_set_flags (vnm, xd->hw_if_index,
833 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
836 if (dm->conf->no_tx_checksum_offload == 0)
837 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
839 hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_CKSUM |
840 VNET_HW_INTERFACE_CAP_SUPPORTS_TX_TCP_CKSUM |
841 VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_CKSUM;
842 if (dm->conf->enable_outer_checksum_offload)
844 hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_TX_IP4_OUTER_CKSUM |
845 VNET_HW_INTERFACE_CAP_SUPPORTS_TX_UDP_OUTER_CKSUM;
848 if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
850 /*tcp_udp checksum must be enabled*/
851 if ((dm->conf->enable_tcp_udp_checksum) &&
852 (hi->caps & VNET_HW_INTERFACE_CAP_SUPPORTS_TX_CKSUM))
854 hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_TCP_GSO;
855 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO;
857 if (dm->conf->enable_outer_checksum_offload &&
858 (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO))
860 xd->port_conf.txmode.offloads |=
861 DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
862 hi->caps |= VNET_HW_INTERFACE_CAP_SUPPORTS_VXLAN_TNL_GSO;
866 clib_warning ("%s: TCP/UDP checksum offload must be enabled",
870 dpdk_device_setup (xd);
872 /* rss queues should be configured after dpdk_device_setup() */
873 if ((hi != NULL) && (devconf->rss_queues != NULL))
875 if (vnet_hw_interface_set_rss_queues
876 (vnet_get_main (), hi, devconf->rss_queues))
878 clib_warning ("%s: Failed to set rss queues", hi->name);
882 if (vec_len (xd->errors))
883 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
884 format_dpdk_device_name, i,
885 format_dpdk_device_errors, xd);
888 hi->max_packet_bytes = xd->port_conf.rxmode.max_rx_pkt_len
889 - sizeof (ethernet_header_t);
891 dpdk_log_warn ("hi NULL");
893 if (dm->conf->no_multi_seg)
894 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
896 rte_eth_dev_set_mtu (xd->port_id, mtu);
905 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
907 vlib_main_t *vm = vlib_get_main ();
910 int num_whitelisted = vec_len (conf->dev_confs);
911 vlib_pci_device_info_t *d = 0;
912 vlib_pci_addr_t *addr = 0, *addrs;
915 addrs = vlib_pci_get_all_dev_addrs ();
917 vec_foreach (addr, addrs)
919 dpdk_device_config_t * devconf = 0;
920 vec_reset_length (pci_addr);
921 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
924 vlib_pci_free_device_info (d);
927 d = vlib_pci_get_device_info (vm, addr, &error);
930 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
931 clib_error_free (error);
935 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
940 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
948 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
951 /* Enforce Device blacklist by vendor and device */
952 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
955 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
956 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
957 if (d->vendor_id == vendor && d->device_id == device)
960 * Expected case: device isn't whitelisted,
965 /* Device is blacklisted */
966 pool_get (conf->dev_confs, devconf);
967 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
968 devconf - conf->dev_confs);
969 devconf->pci_addr.as_u32 = addr->as_u32;
970 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
971 devconf->is_blacklisted = 1;
974 else /* explicitly whitelisted, ignore the device blacklist */
980 if (d->vendor_id == 0x1af4 &&
981 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
982 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
985 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
988 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
989 * the default is to put it in the blacklist.
993 pool_get (conf->dev_confs, devconf);
994 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
995 devconf - conf->dev_confs);
996 devconf->pci_addr.as_u32 = addr->as_u32;
997 devconf->is_blacklisted = 1;
1000 /* all Intel network devices */
1001 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
1003 /* all Intel QAT devices VFs */
1004 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
1005 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
1006 d->device_id == 0x37c9 || d->device_id == 0x6f55))
1009 else if (d->vendor_id == 0x1137 &&
1010 (d->device_id == 0x0043 || d->device_id == 0x0071))
1013 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
1015 /* Amazon Elastic Network Adapter */
1016 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
1018 /* Cavium Network Adapter */
1019 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
1021 /* Cavium FastlinQ QL41000 Series */
1022 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
1024 /* Mellanox CX3, CX3VF */
1025 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
1029 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
1030 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
1034 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
1035 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
1039 /* Broadcom NetXtreme S, and E series only */
1040 else if (d->vendor_id == 0x14e4 &&
1041 ((d->device_id >= 0x16c0 &&
1042 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
1043 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
1044 d->device_id != 0x16fd && d->device_id != 0x16fe &&
1045 d->device_id != 0x170d && d->device_id != 0x170c &&
1046 d->device_id != 0x170e && d->device_id != 0x1712 &&
1047 d->device_id != 0x1713) ||
1048 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
1049 d->device_id == 0x1614 || d->device_id == 0x1606 ||
1050 d->device_id == 0x1609 || d->device_id == 0x1614)))
1054 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
1055 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
1060 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
1066 pool_get (conf->dev_confs, devconf);
1067 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
1068 devconf - conf->dev_confs);
1069 devconf->pci_addr.as_u32 = addr->as_u32;
1071 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1072 devconf->is_blacklisted = 1;
1073 clib_error_report (error);
1077 vec_free (pci_addr);
1078 vlib_pci_free_device_info (d);
1082 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
1084 clib_error_t *error;
1085 vlib_vmbus_addr_t *addrs, *addr = 0;
1086 int num_whitelisted = vec_len (conf->dev_confs);
1089 addrs = vlib_vmbus_get_all_dev_addrs ();
1092 vec_foreach (addr, addrs)
1094 dpdk_device_config_t *devconf = 0;
1095 if (num_whitelisted)
1098 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
1101 /* No devices blacklisted, but have whitelisted. blacklist all
1102 * non-whitelisted */
1103 pool_get (conf->dev_confs, devconf);
1104 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1105 devconf - conf->dev_confs, 0);
1106 devconf->vmbus_addr = *addr;
1107 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1108 devconf->is_blacklisted = 1;
1113 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
1116 /* Enforce Device blacklist by vmbus_addr */
1117 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
1119 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
1120 vlib_vmbus_addr_t *a2 = addr;
1121 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
1125 /* Device not whitelisted */
1126 pool_get (conf->dev_confs, devconf);
1127 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1128 devconf - conf->dev_confs, 0);
1129 devconf->vmbus_addr = *addr;
1130 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1131 devconf->is_blacklisted = 1;
1141 error = vlib_vmbus_bind_to_uio (addr);
1146 pool_get (conf->dev_confs, devconf);
1147 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1148 devconf - conf->dev_confs, 0);
1149 devconf->vmbus_addr = *addr;
1151 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1152 devconf->is_blacklisted = 1;
1153 clib_error_report (error);
1160 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
1162 uword *max_simd_bitwidth = va_arg (*va, uword *);
1164 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1166 if (!unformat (input, "%u", max_simd_bitwidth))
1169 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
1170 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
1178 static clib_error_t *
1179 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
1180 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
1183 clib_error_t *error = 0;
1185 dpdk_device_config_t *devconf = 0;
1186 unformat_input_t sub_input;
1190 devconf = &conf->default_devconf;
1192 else if (addr_type == VNET_DEV_ADDR_PCI)
1194 p = hash_get (conf->device_config_index_by_pci_addr,
1195 ((vlib_pci_addr_t *) (addr))->as_u32);
1199 pool_get (conf->dev_confs, devconf);
1200 hash_set (conf->device_config_index_by_pci_addr,
1201 ((vlib_pci_addr_t *) (addr))->as_u32,
1202 devconf - conf->dev_confs);
1205 return clib_error_return (0,
1206 "duplicate configuration for PCI address %U",
1207 format_vlib_pci_addr, addr);
1209 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1211 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
1212 (vlib_vmbus_addr_t *) (addr));
1216 pool_get (conf->dev_confs, devconf);
1217 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1218 devconf - conf->dev_confs, 0);
1221 return clib_error_return (
1222 0, "duplicate configuration for VMBUS address %U",
1223 format_vlib_vmbus_addr, addr);
1226 if (addr_type == VNET_DEV_ADDR_PCI)
1228 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
1229 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1230 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1232 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1234 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
1235 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1236 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1242 unformat_skip_white_space (input);
1243 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1245 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1247 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1249 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1251 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1253 else if (unformat (input, "name %s", &devconf->name))
1255 else if (unformat (input, "workers %U", unformat_bitmap_list,
1260 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1262 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1266 else if (unformat (input, "tso on"))
1268 devconf->tso = DPDK_DEVICE_TSO_ON;
1270 else if (unformat (input, "tso off"))
1272 devconf->tso = DPDK_DEVICE_TSO_OFF;
1274 else if (unformat (input, "devargs %s", &devconf->devargs))
1276 else if (unformat (input, "rss-queues %U",
1277 unformat_bitmap_list, &devconf->rss_queues))
1279 else if (unformat (input, "max-lro-pkt-size %u",
1280 &devconf->max_lro_pkt_size))
1284 error = clib_error_return (0, "unknown input `%U'",
1285 format_unformat_error, input);
1293 if (devconf->workers && devconf->num_rx_queues == 0)
1294 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1295 else if (devconf->workers &&
1296 clib_bitmap_count_set_bits (devconf->workers) !=
1297 devconf->num_rx_queues)
1298 error = clib_error_return (0,
1299 "%U: number of worker threads must be "
1300 "equal to number of rx queues",
1301 format_vlib_pci_addr, addr);
1306 static clib_error_t *
1307 dpdk_log_read_ready (clib_file_t * uf)
1309 unformat_input_t input;
1316 uword len = vec_len (s);
1317 vec_resize (s, len + n_try);
1319 n = read (uf->file_descriptor, s + len, n_try);
1320 if (n < 0 && errno != EAGAIN)
1321 return clib_error_return_unix (0, "read");
1322 _vec_len (s) = len + (n < 0 ? 0 : n);
1325 unformat_init_vector (&input, s);
1327 while (unformat_user (&input, unformat_line, &line))
1329 dpdk_log_notice ("%v", line);
1333 unformat_free (&input);
1337 static clib_error_t *
1338 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1340 clib_error_t *error = 0;
1341 dpdk_config_main_t *conf = &dpdk_config_main;
1342 vlib_thread_main_t *tm = vlib_get_thread_main ();
1343 dpdk_device_config_t *devconf;
1344 vlib_pci_addr_t pci_addr = { 0 };
1345 vlib_vmbus_addr_t vmbus_addr = { 0 };
1346 unformat_input_t sub_input;
1347 uword default_hugepage_sz, x;
1350 int num_whitelisted = 0;
1351 int eal_no_hugetlb = 0;
1356 u8 *huge_dir_path = 0;
1357 u32 vendor, device, domain, bus, func;
1360 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1362 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1363 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1364 sizeof (vlib_vmbus_addr_t));
1366 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1368 /* Prime the pump */
1369 if (unformat (input, "no-hugetlb"))
1371 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1374 else if (unformat (input, "telemetry"))
1375 conf->enable_telemetry = 1;
1377 else if (unformat (input, "enable-tcp-udp-checksum"))
1379 conf->enable_tcp_udp_checksum = 1;
1380 if (unformat (input, "enable-outer-checksum-offload"))
1381 conf->enable_outer_checksum_offload = 1;
1383 else if (unformat (input, "no-tx-checksum-offload"))
1384 conf->no_tx_checksum_offload = 1;
1386 else if (unformat (input, "decimal-interface-names"))
1387 conf->interface_name_format_decimal = 1;
1389 else if (unformat (input, "no-multi-seg"))
1390 conf->no_multi_seg = 1;
1391 else if (unformat (input, "enable-lro"))
1392 conf->enable_lro = 1;
1393 else if (unformat (input, "max-simd-bitwidth %U",
1394 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1396 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1400 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1407 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1408 unformat_vlib_cli_sub_input, &sub_input))
1410 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1418 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1421 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1428 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1429 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1431 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1439 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1443 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1450 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1452 else if (unformat (input, "socket-mem %s", &socket_mem))
1454 else if (unformat (input, "no-pci"))
1457 tmp = format (0, "--no-pci%c", 0);
1458 vec_add1 (conf->eal_init_args, tmp);
1460 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1463 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1467 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1469 tmp = format (0, "-b%c", 0);
1470 vec_add1 (conf->eal_init_args, tmp);
1472 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1473 vec_add1 (conf->eal_init_args, tmp);
1475 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1477 u32 blacklist_entry;
1478 if (vendor > 0xFFFF)
1479 return clib_error_return (0, "blacklist PCI vendor out of range");
1480 if (device > 0xFFFF)
1481 return clib_error_return (0, "blacklist PCI device out of range");
1482 blacklist_entry = (vendor << 16) | (device & 0xffff);
1483 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1486 else if (unformat (input, "no-vmbus"))
1489 tmp = format (0, "--no-vmbus%c", 0);
1490 vec_add1 (conf->eal_init_args, tmp);
1494 else if (unformat(input, #a)) \
1496 tmp = format (0, "--%s%c", #a, 0); \
1497 vec_add1 (conf->eal_init_args, tmp); \
1499 foreach_eal_double_hyphen_predicate_arg
1502 else if (unformat(input, #a " %s", &s)) \
1504 if (!strncmp(#a, "file-prefix", 11)) \
1506 tmp = format (0, "--%s%c", #a, 0); \
1507 vec_add1 (conf->eal_init_args, tmp); \
1509 if (!strncmp(#a, "vdev", 4)) \
1510 if (strstr((char*)s, "af_packet")) \
1511 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1512 vec_add1 (conf->eal_init_args, s); \
1514 foreach_eal_double_hyphen_arg
1517 else if (unformat(input, #a " %s", &s)) \
1519 tmp = format (0, "-%s%c", #b, 0); \
1520 vec_add1 (conf->eal_init_args, tmp); \
1522 vec_add1 (conf->eal_init_args, s); \
1524 foreach_eal_single_hyphen_arg
1526 else if (unformat (input, "default"))
1529 else if (unformat_skip_white_space (input))
1533 error = clib_error_return (0, "unknown input `%U'",
1534 format_unformat_error, input);
1539 if (!conf->uio_driver_name)
1540 conf->uio_driver_name = format (0, "auto%c", 0);
1542 if (eal_no_hugetlb == 0)
1544 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1546 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1549 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1553 /* preallocate at least 16MB of hugepages per socket,
1554 if more is needed it is up to consumer to preallocate more */
1555 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1556 n_pages /= default_hugepage_sz;
1558 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1559 clib_error_report (e);
1564 /* on/off dpdk's telemetry thread */
1565 if (conf->enable_telemetry == 0)
1567 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1572 tmp = format (0, "--file-prefix%c", 0);
1573 vec_add1 (conf->eal_init_args, tmp);
1574 tmp = format (0, "vpp%c", 0);
1575 vec_add1 (conf->eal_init_args, tmp);
1581 if (no_pci == 0 && geteuid () == 0)
1582 dpdk_bind_devices_to_uio (conf);
1584 if (no_vmbus == 0 && geteuid () == 0)
1585 dpdk_bind_vmbus_devices_to_uio (conf);
1588 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1589 devconf->x = conf->default_devconf.x ;
1591 pool_foreach (devconf, conf->dev_confs) {
1593 /* default per-device config items */
1594 foreach_dpdk_device_config_item
1596 /* copy tso config from default device */
1599 /* copy tso config from default device */
1602 /* copy rss_queues config from default device */
1605 /* add DPDK EAL whitelist/blacklist entry */
1606 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1607 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1609 tmp = format (0, "-a%c", 0);
1610 vec_add1 (conf->eal_init_args, tmp);
1611 if (devconf->devargs)
1613 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1614 &devconf->pci_addr, devconf->devargs, 0);
1618 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1620 vec_add1 (conf->eal_init_args, tmp);
1622 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1623 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1625 tmp = format (0, "-b%c", 0);
1626 vec_add1 (conf->eal_init_args, tmp);
1627 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1628 vec_add1 (conf->eal_init_args, tmp);
1635 clib_warning ("socket-mem argument is deprecated");
1637 /* NULL terminate the "argv" vector, in case of stupidity */
1638 vec_add1 (conf->eal_init_args, 0);
1639 _vec_len (conf->eal_init_args) -= 1;
1641 /* Set up DPDK eal and packet mbuf pool early. */
1643 int log_fds[2] = { 0 };
1644 if (pipe (log_fds) == 0)
1646 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1648 FILE *f = fdopen (log_fds[1], "a");
1649 if (f && rte_openlog_stream (f) == 0)
1651 clib_file_t t = { 0 };
1652 t.read_function = dpdk_log_read_ready;
1653 t.file_descriptor = log_fds[0];
1654 t.description = format (0, "DPDK logging pipe");
1655 clib_file_add (&file_main, &t);
1665 vm = vlib_get_main ();
1667 /* make copy of args as rte_eal_init tends to mess up with arg array */
1668 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1669 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1670 conf->eal_init_args[i]);
1672 vec_terminate_c_string (conf->eal_init_args_str);
1674 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1675 ret = rte_eal_init (vec_len (conf->eal_init_args),
1676 (char **) conf->eal_init_args);
1678 /* enable the AVX-512 vPMDs in DPDK */
1679 if (clib_cpu_supports_avx512_bitalg () &&
1680 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1681 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1682 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1683 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1684 DPDK_MAX_SIMD_BITWIDTH_256 ?
1688 /* lazy umount hugepages */
1689 umount2 ((char *) huge_dir_path, MNT_DETACH);
1690 rmdir ((char *) huge_dir_path);
1691 vec_free (huge_dir_path);
1694 return clib_error_return (0, "rte_eal_init returned %d", ret);
1696 /* main thread 1st */
1697 if ((error = dpdk_buffer_pools_create (vm)))
1704 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1707 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1709 vnet_main_t *vnm = vnet_get_main ();
1710 struct rte_eth_link prev_link = xd->link;
1712 u8 hw_flags_chg = 0;
1714 /* only update link state for PMD interfaces */
1715 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1718 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1719 clib_memset (&xd->link, 0, sizeof (xd->link));
1720 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1722 if (LINK_STATE_ELOGS)
1724 ELOG_TYPE_DECLARE (e) =
1727 "update-link-state: sw_if_index %d, admin_up %d,"
1728 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1737 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1738 ed->sw_if_index = xd->sw_if_index;
1739 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1740 ed->old_link_state = (u8)
1741 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1742 ed->new_link_state = (u8) xd->link.link_status;
1745 if ((xd->link.link_duplex != prev_link.link_duplex))
1748 switch (xd->link.link_duplex)
1750 case ETH_LINK_HALF_DUPLEX:
1751 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1753 case ETH_LINK_FULL_DUPLEX:
1754 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1760 if (xd->link.link_speed != prev_link.link_speed)
1761 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1762 xd->link.link_speed * 1000);
1764 if (xd->link.link_status != prev_link.link_status)
1768 if (xd->link.link_status)
1769 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1774 if (LINK_STATE_ELOGS)
1776 ELOG_TYPE_DECLARE (e) =
1779 "update-link-state: sw_if_index %d, new flags %d",.format_args
1787 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1788 ed->sw_if_index = xd->sw_if_index;
1789 ed->flags = hw_flags;
1791 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1796 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1798 clib_error_t *error;
1799 dpdk_main_t *dm = &dpdk_main;
1801 vlib_thread_main_t *tm = vlib_get_thread_main ();
1803 error = dpdk_lib_init (dm);
1806 clib_error_report (error);
1808 if (dpdk_cryptodev_init)
1810 error = dpdk_cryptodev_init (vm);
1813 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1815 clib_error_free (error);
1819 tm->worker_thread_release = 1;
1821 f64 now = vlib_time_now (vm);
1822 vec_foreach (xd, dm->devices)
1824 dpdk_update_link_state (xd, now);
1830 * check each time through the loop in case intervals are changed
1832 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1833 dm->link_state_poll_interval : dm->stat_poll_interval;
1835 vlib_process_wait_for_event_or_clock (vm, min_wait);
1837 if (dm->admin_up_down_in_progress)
1838 /* skip the poll if an admin up down is in progress (on any interface) */
1841 vec_foreach (xd, dm->devices)
1843 f64 now = vlib_time_now (vm);
1844 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1845 dpdk_update_counters (xd, now);
1846 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1847 dpdk_update_link_state (xd, now);
1856 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1857 .function = dpdk_process,
1858 .type = VLIB_NODE_TYPE_PROCESS,
1859 .name = "dpdk-process",
1860 .process_log2_n_stack_bytes = 17,
1864 static clib_error_t *
1865 dpdk_init (vlib_main_t * vm)
1867 dpdk_main_t *dm = &dpdk_main;
1868 clib_error_t *error = 0;
1870 /* verify that structs are cacheline aligned */
1871 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1872 "Cache line marker must be 1st element in dpdk_device_t");
1873 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1874 CLIB_CACHE_LINE_BYTES,
1875 "Data in cache line 0 is bigger than cache line size");
1876 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1877 "Cache line marker must be 1st element in frame_queue_trace_t");
1879 dpdk_cli_reference ();
1881 dm->conf = &dpdk_config_main;
1883 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1885 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1886 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1888 dm->log_default = vlib_log_register_class ("dpdk", 0);
1889 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1894 VLIB_INIT_FUNCTION (dpdk_init);
1896 static clib_error_t *
1897 dpdk_worker_thread_init (vlib_main_t *vm)
1899 if (rte_thread_register () < 0)
1900 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1901 rte_strerror (rte_errno));
1905 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);