2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #include <vnet/vnet.h>
16 #include <vppinfra/vec.h>
17 #include <vppinfra/error.h>
18 #include <vppinfra/format.h>
19 #include <vppinfra/bitmap.h>
20 #include <vppinfra/linux/sysfs.h>
21 #include <vlib/unix/unix.h>
24 #include <vnet/ethernet/ethernet.h>
25 #include <vnet/interface/rx_queue_funcs.h>
26 #include <dpdk/buffer.h>
27 #include <dpdk/device/dpdk.h>
28 #include <dpdk/cryptodev/cryptodev.h>
29 #include <vlib/pci/pci.h>
30 #include <vlib/vmbus/vmbus.h>
39 #include <sys/mount.h>
44 #include <dpdk/device/dpdk_priv.h>
46 #define ETHER_MAX_LEN 1518 /**< Maximum frame len, including CRC. */
48 dpdk_main_t dpdk_main;
49 dpdk_config_main_t dpdk_config_main;
51 #define LINK_STATE_ELOGS 0
53 /* Port configuration, mildly modified Intel app values */
55 static dpdk_port_type_t
56 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
59 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
60 return VNET_DPDK_PORT_TYPE_ETH_100G;
61 else if (dev_info->speed_capa & ETH_LINK_SPEED_56G)
62 return VNET_DPDK_PORT_TYPE_ETH_56G;
63 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
64 return VNET_DPDK_PORT_TYPE_ETH_50G;
65 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
66 return VNET_DPDK_PORT_TYPE_ETH_40G;
67 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
68 return VNET_DPDK_PORT_TYPE_ETH_25G;
69 else if (dev_info->speed_capa & ETH_LINK_SPEED_20G)
70 return VNET_DPDK_PORT_TYPE_ETH_20G;
71 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
72 return VNET_DPDK_PORT_TYPE_ETH_10G;
73 else if (dev_info->speed_capa & ETH_LINK_SPEED_5G)
74 return VNET_DPDK_PORT_TYPE_ETH_5G;
75 else if (dev_info->speed_capa & ETH_LINK_SPEED_2_5G)
76 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
77 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
78 return VNET_DPDK_PORT_TYPE_ETH_1G;
80 return VNET_DPDK_PORT_TYPE_UNKNOWN;
83 static dpdk_port_type_t
84 port_type_from_link_speed (u32 link_speed)
88 case ETH_SPEED_NUM_1G:
89 return VNET_DPDK_PORT_TYPE_ETH_1G;
90 case ETH_SPEED_NUM_2_5G:
91 return VNET_DPDK_PORT_TYPE_ETH_2_5G;
92 case ETH_SPEED_NUM_5G:
93 return VNET_DPDK_PORT_TYPE_ETH_5G;
94 case ETH_SPEED_NUM_10G:
95 return VNET_DPDK_PORT_TYPE_ETH_10G;
96 case ETH_SPEED_NUM_20G:
97 return VNET_DPDK_PORT_TYPE_ETH_20G;
98 case ETH_SPEED_NUM_25G:
99 return VNET_DPDK_PORT_TYPE_ETH_25G;
100 case ETH_SPEED_NUM_40G:
101 return VNET_DPDK_PORT_TYPE_ETH_40G;
102 case ETH_SPEED_NUM_50G:
103 return VNET_DPDK_PORT_TYPE_ETH_50G;
104 case ETH_SPEED_NUM_56G:
105 return VNET_DPDK_PORT_TYPE_ETH_56G;
106 case ETH_SPEED_NUM_100G:
107 return VNET_DPDK_PORT_TYPE_ETH_100G;
109 return VNET_DPDK_PORT_TYPE_UNKNOWN;
114 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
116 dpdk_main_t *dm = &dpdk_main;
117 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
118 u32 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
122 case ETHERNET_INTERFACE_FLAG_DEFAULT_L3:
123 /* set to L3/non-promisc mode */
124 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
126 case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
127 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
129 case ETHERNET_INTERFACE_FLAG_MTU:
130 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
131 dpdk_device_setup (xd);
137 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
139 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
140 rte_eth_promiscuous_enable (xd->port_id);
142 rte_eth_promiscuous_disable (xd->port_id);
149 dpdk_port_crc_strip_enabled (dpdk_device_t * xd)
151 return !(xd->port_conf.rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC);
154 /* The function check_l3cache helps check if Level 3 cache exists or not on current CPUs
155 return value 1: exist.
156 return value 0: not exist.
164 const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache";
165 DIR *dir_cache = opendir (sys_cache_dir);
167 if (dir_cache == NULL)
170 while ((dp = readdir (dir_cache)) != NULL)
172 if (dp->d_type == DT_DIR)
175 int level_cache = -1;
177 p = format (p, "%s/%s/%s%c", sys_cache_dir, dp->d_name, "level", 0);
178 if ((err = clib_sysfs_read ((char *) p, "%d", &level_cache)))
179 clib_error_free (err);
181 if (level_cache == 3)
183 closedir (dir_cache);
189 if (dir_cache != NULL)
190 closedir (dir_cache);
196 dpdk_enable_l4_csum_offload (dpdk_device_t * xd)
198 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
199 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
200 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
201 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
204 static clib_error_t *
205 dpdk_lib_init (dpdk_main_t * dm)
207 vnet_main_t *vnm = vnet_get_main ();
209 u32 mtu, max_rx_frame;
212 vlib_main_t *vm = vlib_get_main ();
213 vlib_thread_main_t *tm = vlib_get_thread_main ();
214 vnet_device_main_t *vdm = &vnet_device_main;
215 vnet_sw_interface_t *sw;
216 vnet_hw_interface_t *hi;
218 vlib_pci_addr_t last_pci_addr;
219 u32 last_pci_addr_port = 0;
220 u8 af_packet_instance_num = 0;
221 last_pci_addr.as_u32 = ~0;
223 nports = rte_eth_dev_count_avail ();
227 dpdk_log_notice ("DPDK drivers found no Ethernet devices...");
231 dpdk_log_notice ("DPDK drivers found %d ports...", nports);
233 /* vlib_buffer_t template */
234 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
235 CLIB_CACHE_LINE_BYTES);
236 for (int i = 0; i < tm->n_vlib_mains; i++)
238 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
239 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
240 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
243 /* device config defaults */
244 dm->default_port_conf.n_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
245 dm->default_port_conf.n_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
246 dm->default_port_conf.n_rx_queues = 1;
247 dm->default_port_conf.n_tx_queues = tm->n_vlib_mains;
249 if ((clib_mem_get_default_hugepage_size () == 2 << 20) &&
250 check_l3cache () == 0)
251 dm->default_port_conf.n_rx_desc = dm->default_port_conf.n_tx_desc = 512;
253 RTE_ETH_FOREACH_DEV (port_id)
256 struct rte_eth_dev_info di;
257 struct rte_pci_device *pci_dev;
258 struct rte_vmbus_device *vmbus_dev;
259 dpdk_portid_t next_port_id;
260 dpdk_device_config_t *devconf = 0;
261 vlib_pci_addr_t pci_addr;
262 vlib_vmbus_addr_t vmbus_addr;
265 if (!rte_eth_dev_is_valid_port (port_id))
268 rte_eth_dev_info_get (port_id, &di);
272 dpdk_log_notice ("DPDK bug: missing device info. Skipping %s device",
277 pci_dev = dpdk_get_pci_device (&di);
281 pci_addr.domain = pci_dev->addr.domain;
282 pci_addr.bus = pci_dev->addr.bus;
283 pci_addr.slot = pci_dev->addr.devid;
284 pci_addr.function = pci_dev->addr.function;
285 p = hash_get (dm->conf->device_config_index_by_pci_addr,
289 vmbus_dev = dpdk_get_vmbus_device (&di);
293 unformat_input_t input_vmbus;
294 unformat_init_string (&input_vmbus, di.device->name,
295 strlen (di.device->name));
296 if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr,
299 p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
302 unformat_free (&input_vmbus);
307 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
308 /* If device is blacklisted, we should skip it */
309 if (devconf->is_blacklisted)
315 devconf = &dm->conf->default_devconf;
317 /* Create vnet interface */
318 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
319 xd->cpu_socket = (i8) rte_eth_dev_socket_id (port_id);
320 clib_memcpy (&xd->conf, &dm->default_port_conf,
321 sizeof (dpdk_port_conf_t));
325 xd->name = devconf->name;
328 /* Handle representor devices that share the same PCI ID */
329 if (di.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID)
331 if (di.switch_info.port_id != (uint16_t) -1)
332 xd->interface_name_suffix =
333 format (0, "%d", di.switch_info.port_id);
335 /* Handle interface naming for devices with multiple ports sharing same
337 else if (pci_dev && ((next_port_id = rte_eth_find_next (port_id + 1)) !=
340 struct rte_eth_dev_info next_di = { 0 };
341 struct rte_pci_device *next_pci_dev;
342 rte_eth_dev_info_get (next_port_id, &next_di);
343 next_pci_dev = next_di.device ? RTE_DEV_TO_PCI (next_di.device) : 0;
344 if (next_pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
345 memcmp (&pci_dev->addr, &next_pci_dev->addr,
346 sizeof (struct rte_pci_addr)) == 0)
348 xd->interface_name_suffix = format (0, "0");
349 last_pci_addr.as_u32 = pci_addr.as_u32;
350 last_pci_addr_port = port_id;
352 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
354 xd->interface_name_suffix =
355 format (0, "%u", port_id - last_pci_addr_port);
359 last_pci_addr.as_u32 = ~0;
363 last_pci_addr.as_u32 = ~0;
365 clib_memcpy (&xd->tx_conf, &di.default_txconf,
366 sizeof (struct rte_eth_txconf));
368 if (di.rx_offload_capa & DEV_RX_OFFLOAD_IPV4_CKSUM)
370 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_IPV4_CKSUM;
371 xd->flags |= DPDK_DEVICE_FLAG_RX_IP4_CKSUM;
374 if (xd->conf.enable_tcp_udp_checksum)
376 if (di.rx_offload_capa & DEV_RX_OFFLOAD_UDP_CKSUM)
377 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_UDP_CKSUM;
378 if (di.rx_offload_capa & DEV_RX_OFFLOAD_TCP_CKSUM)
379 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_CKSUM;
380 if (di.tx_offload_capa & DEV_TX_OFFLOAD_IPV4_CKSUM)
381 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_IPV4_CKSUM;
383 if (xd->conf.enable_outer_checksum_offload)
385 if (di.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM)
386 xd->port_conf.txmode.offloads |=
387 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM;
388 if (di.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
389 xd->port_conf.txmode.offloads |=
390 DEV_TX_OFFLOAD_OUTER_UDP_CKSUM;
394 if (xd->conf.enable_lro)
396 if (di.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO)
398 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_TCP_LRO;
399 if (devconf->max_lro_pkt_size)
400 xd->port_conf.rxmode.max_lro_pkt_size =
401 devconf->max_lro_pkt_size;
403 xd->port_conf.rxmode.max_lro_pkt_size =
404 DPDK_MAX_LRO_SIZE_DEFAULT;
407 if (xd->conf.no_multi_seg)
409 xd->port_conf.txmode.offloads &= ~DEV_TX_OFFLOAD_MULTI_SEGS;
410 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_JUMBO_FRAME;
411 xd->port_conf.rxmode.offloads &= ~DEV_RX_OFFLOAD_SCATTER;
415 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_MULTI_SEGS;
416 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
417 xd->port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SCATTER;
418 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
421 xd->conf.n_tx_queues = clib_min (di.max_tx_queues, xd->conf.n_tx_queues);
423 if (devconf->num_tx_queues > 0 &&
424 devconf->num_tx_queues < xd->conf.n_tx_queues)
425 xd->conf.n_tx_queues = devconf->num_tx_queues;
427 if (devconf->num_rx_queues > 1 &&
428 di.max_rx_queues >= devconf->num_rx_queues)
430 xd->conf.n_rx_queues = devconf->num_rx_queues;
431 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
432 if (devconf->rss_fn == 0)
433 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
434 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
437 u64 unsupported_bits;
438 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
439 unsupported_bits = xd->port_conf.rx_adv_conf.rss_conf.rss_hf;
440 unsupported_bits &= ~di.flow_type_rss_offloads;
441 if (unsupported_bits)
442 dpdk_log_warn ("Unsupported RSS hash functions: %U",
443 format_dpdk_rss_hf_name, unsupported_bits);
445 xd->port_conf.rx_adv_conf.rss_conf.rss_hf &=
446 di.flow_type_rss_offloads;
449 vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
450 CLIB_CACHE_LINE_BYTES);
452 /* workaround for drivers not setting driver_name */
453 if ((!di.driver_name) && (pci_dev))
454 di.driver_name = pci_dev->driver->driver.name;
456 ASSERT (di.driver_name);
462 else if (di.driver_name && !strcmp (di.driver_name, s)) xd->pmd = \
468 else xd->pmd = VNET_DPDK_PMD_UNKNOWN;
470 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
474 /* Drivers with valid speed_capa set */
475 case VNET_DPDK_PMD_I40E:
476 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
478 case VNET_DPDK_PMD_E1000EM:
479 case VNET_DPDK_PMD_IGB:
480 case VNET_DPDK_PMD_IGC:
481 case VNET_DPDK_PMD_IXGBE:
482 case VNET_DPDK_PMD_ICE:
483 xd->port_type = port_type_from_speed_capa (&di);
484 xd->supported_flow_actions =
485 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
486 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
487 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
488 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
490 if (xd->conf.no_tx_checksum_offload == 0)
492 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
493 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
494 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
495 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
498 xd->port_conf.intr_conf.rxq = 1;
500 case VNET_DPDK_PMD_MLX5:
501 if (xd->conf.no_tx_checksum_offload == 0)
503 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
504 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
505 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
506 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
508 xd->port_type = port_type_from_speed_capa (&di);
510 case VNET_DPDK_PMD_CXGBE:
511 case VNET_DPDK_PMD_MLX4:
512 case VNET_DPDK_PMD_QEDE:
513 case VNET_DPDK_PMD_BNXT:
514 xd->port_type = port_type_from_speed_capa (&di);
518 case VNET_DPDK_PMD_I40EVF:
519 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
521 case VNET_DPDK_PMD_IGBVF:
522 case VNET_DPDK_PMD_IXGBEVF:
523 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
524 if (xd->conf.no_tx_checksum_offload == 0)
526 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
527 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
528 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
529 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
531 /* DPDK bug in multiqueue... */
532 /* xd->port_conf.intr_conf.rxq = 1; */
536 case VNET_DPDK_PMD_IAVF:
537 xd->flags |= DPDK_DEVICE_FLAG_INT_UNMASKABLE;
538 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
539 xd->supported_flow_actions =
540 VNET_FLOW_ACTION_MARK | VNET_FLOW_ACTION_REDIRECT_TO_NODE |
541 VNET_FLOW_ACTION_REDIRECT_TO_QUEUE |
542 VNET_FLOW_ACTION_BUFFER_ADVANCE | VNET_FLOW_ACTION_COUNT |
543 VNET_FLOW_ACTION_DROP | VNET_FLOW_ACTION_RSS;
545 if (xd->conf.no_tx_checksum_offload == 0)
547 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_CKSUM;
548 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_UDP_CKSUM;
549 xd->flags |= 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 (xd->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 (xd->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 (port_id, &l);
589 xd->port_type = port_type_from_link_speed (l.link_speed);
590 if (xd->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->conf.n_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
605 xd->conf.n_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 && (xd->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 (port_id, &l);
657 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
662 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
666 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
668 f64 now = vlib_time_now (vm);
670 rnd = (u32) (now * 1e6);
671 rnd = random_u32 (&rnd);
672 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
677 rte_eth_macaddr_get (port_id, (void *) addr);
679 xd->port_id = port_id;
680 xd->device_index = xd - dm->devices;
681 xd->per_interface_next_index = ~0;
683 /* assign interface to input thread */
686 error = ethernet_register_interface (
687 vnm, dpdk_device_class.index, xd->device_index,
688 /* ethernet address */ addr, &xd->hw_if_index, dpdk_flag_change);
693 * Ensure default mtu is not > the mtu read from the hardware.
694 * Otherwise rte_eth_dev_configure() will fail and the port will
696 * Calculate max_frame_size and mtu supported by NIC
698 if (ETHERNET_MAX_PACKET_BYTES > di.max_rx_pktlen)
701 * This device does not support the platforms's max frame
702 * size. Use it's advertised mru instead.
704 max_rx_frame = di.max_rx_pktlen;
705 mtu = di.max_rx_pktlen - sizeof (ethernet_header_t);
709 /* VPP treats MTU and max_rx_pktlen both equal to
710 * ETHERNET_MAX_PACKET_BYTES, if dev_info.max_rx_pktlen >=
711 * ETHERNET_MAX_PACKET_BYTES + sizeof(ethernet_header_t)
713 if (di.max_rx_pktlen >=
714 (ETHERNET_MAX_PACKET_BYTES + sizeof (ethernet_header_t)))
716 mtu = ETHERNET_MAX_PACKET_BYTES;
717 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
720 * Some platforms do not account for Ethernet FCS (4 bytes) in
721 * MTU calculations. To interop with them increase mru but only
722 * if the device's settings can support it.
724 if (dpdk_port_crc_strip_enabled (xd) &&
725 (di.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES +
726 sizeof (ethernet_header_t) + 4)))
733 max_rx_frame = ETHERNET_MAX_PACKET_BYTES;
734 mtu = ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
736 if (dpdk_port_crc_strip_enabled (xd) &&
737 (di.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)))
744 if (xd->pmd == VNET_DPDK_PMD_FAILSAFE)
746 /* failsafe device numerables are reported with active device only,
747 * need to query the mtu for current device setup to overwrite
751 if (!rte_eth_dev_get_mtu (port_id, &dev_mtu))
754 max_rx_frame = mtu + sizeof (ethernet_header_t);
756 if (dpdk_port_crc_strip_enabled (xd))
763 /*Set port rxmode config */
764 xd->port_conf.rxmode.max_rx_pkt_len = max_rx_frame;
766 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
767 xd->sw_if_index = sw->sw_if_index;
768 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
770 if (devconf->workers)
774 clib_bitmap_foreach (j, devconf->workers)
776 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
777 rxq->queue_index = vnet_hw_if_register_rx_queue (
778 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
782 for (q = 0; q < xd->conf.n_rx_queues; q++)
784 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
785 rxq->queue_index = vnet_hw_if_register_rx_queue (
786 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
789 vnet_hw_if_update_runtime_data (vnm, xd->hw_if_index);
791 /*Get vnet hardware interface */
792 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
794 /*Override default max_packet_bytes and max_supported_bytes set in
795 * ethernet_register_interface() above*/
798 hi->max_packet_bytes = mtu;
799 hi->max_supported_packet_bytes = max_rx_frame;
800 hi->numa_node = xd->cpu_socket;
802 /* Indicate ability to support L3 DMAC filtering and
803 * initialize interface to L3 non-promisc mode */
804 hi->caps |= VNET_HW_IF_CAP_MAC_FILTER;
805 ethernet_set_flags (vnm, xd->hw_if_index,
806 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
809 if (xd->conf.no_tx_checksum_offload == 0)
810 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD && hi != NULL)
812 hi->caps |= VNET_HW_IF_CAP_TX_IP4_CKSUM |
813 VNET_HW_IF_CAP_TX_TCP_CKSUM |
814 VNET_HW_IF_CAP_TX_UDP_CKSUM;
815 if (xd->conf.enable_outer_checksum_offload)
817 hi->caps |= VNET_HW_IF_CAP_TX_IP4_OUTER_CKSUM |
818 VNET_HW_IF_CAP_TX_UDP_OUTER_CKSUM;
821 if (devconf->tso == DPDK_DEVICE_TSO_ON && hi != NULL)
823 /*tcp_udp checksum must be enabled*/
824 if ((xd->conf.enable_tcp_udp_checksum) &&
825 (hi->caps & VNET_HW_IF_CAP_TX_CKSUM))
827 hi->caps |= VNET_HW_IF_CAP_TCP_GSO;
828 xd->port_conf.txmode.offloads |= DEV_TX_OFFLOAD_TCP_TSO;
830 if (xd->conf.enable_outer_checksum_offload &&
831 (di.tx_offload_capa & DEV_TX_OFFLOAD_VXLAN_TNL_TSO))
833 xd->port_conf.txmode.offloads |=
834 DEV_TX_OFFLOAD_VXLAN_TNL_TSO;
835 hi->caps |= VNET_HW_IF_CAP_VXLAN_TNL_GSO;
839 clib_warning ("%s: TCP/UDP checksum offload must be enabled",
843 dpdk_device_setup (xd);
845 /* rss queues should be configured after dpdk_device_setup() */
846 if ((hi != NULL) && (devconf->rss_queues != NULL))
848 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
849 devconf->rss_queues))
851 clib_warning ("%s: Failed to set rss queues", hi->name);
855 if (vec_len (xd->errors))
856 dpdk_log_err ("setup failed for device %U. Errors:\n %U",
857 format_dpdk_device_name, port_id,
858 format_dpdk_device_errors, xd);
861 hi->max_packet_bytes =
862 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
864 dpdk_log_warn ("hi NULL");
866 if (xd->conf.no_multi_seg)
867 mtu = mtu > ETHER_MAX_LEN ? ETHER_MAX_LEN : mtu;
869 rte_eth_dev_set_mtu (xd->port_id, mtu);
876 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
878 vlib_main_t *vm = vlib_get_main ();
881 int num_whitelisted = vec_len (conf->dev_confs);
882 vlib_pci_device_info_t *d = 0;
883 vlib_pci_addr_t *addr = 0, *addrs;
886 addrs = vlib_pci_get_all_dev_addrs ();
888 vec_foreach (addr, addrs)
890 dpdk_device_config_t * devconf = 0;
891 vec_reset_length (pci_addr);
892 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
895 vlib_pci_free_device_info (d);
898 d = vlib_pci_get_device_info (vm, addr, &error);
901 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
902 clib_error_free (error);
906 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
911 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
919 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
922 /* Enforce Device blacklist by vendor and device */
923 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
926 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
927 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
928 if (d->vendor_id == vendor && d->device_id == device)
931 * Expected case: device isn't whitelisted,
936 /* Device is blacklisted */
937 pool_get (conf->dev_confs, devconf);
938 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
939 devconf - conf->dev_confs);
940 devconf->pci_addr.as_u32 = addr->as_u32;
941 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
942 devconf->is_blacklisted = 1;
945 else /* explicitly whitelisted, ignore the device blacklist */
951 if (d->vendor_id == 0x1af4 &&
952 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
953 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
956 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
959 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
960 * the default is to put it in the blacklist.
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->is_blacklisted = 1;
971 /* all Intel network devices */
972 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
974 /* all Intel QAT devices VFs */
975 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
976 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
977 d->device_id == 0x37c9 || d->device_id == 0x6f55))
980 else if (d->vendor_id == 0x1137 &&
981 (d->device_id == 0x0043 || d->device_id == 0x0071))
984 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
986 /* Amazon Elastic Network Adapter */
987 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
989 /* Cavium Network Adapter */
990 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
992 /* Cavium FastlinQ QL41000 Series */
993 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
995 /* Mellanox CX3, CX3VF */
996 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
1000 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
1001 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
1005 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
1006 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
1010 /* Broadcom NetXtreme S, and E series only */
1011 else if (d->vendor_id == 0x14e4 &&
1012 ((d->device_id >= 0x16c0 &&
1013 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
1014 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
1015 d->device_id != 0x16fd && d->device_id != 0x16fe &&
1016 d->device_id != 0x170d && d->device_id != 0x170c &&
1017 d->device_id != 0x170e && d->device_id != 0x1712 &&
1018 d->device_id != 0x1713) ||
1019 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
1020 d->device_id == 0x1614 || d->device_id == 0x1606 ||
1021 d->device_id == 0x1609 || d->device_id == 0x1614)))
1025 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
1026 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
1031 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
1037 pool_get (conf->dev_confs, devconf);
1038 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
1039 devconf - conf->dev_confs);
1040 devconf->pci_addr.as_u32 = addr->as_u32;
1042 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1043 devconf->is_blacklisted = 1;
1044 clib_error_report (error);
1048 vec_free (pci_addr);
1049 vlib_pci_free_device_info (d);
1053 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
1055 clib_error_t *error;
1056 vlib_vmbus_addr_t *addrs, *addr = 0;
1057 int num_whitelisted = vec_len (conf->dev_confs);
1060 addrs = vlib_vmbus_get_all_dev_addrs ();
1063 vec_foreach (addr, addrs)
1065 dpdk_device_config_t *devconf = 0;
1066 if (num_whitelisted)
1069 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
1072 /* No devices blacklisted, but have whitelisted. blacklist all
1073 * non-whitelisted */
1074 pool_get (conf->dev_confs, devconf);
1075 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1076 devconf - conf->dev_confs, 0);
1077 devconf->vmbus_addr = *addr;
1078 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1079 devconf->is_blacklisted = 1;
1084 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
1087 /* Enforce Device blacklist by vmbus_addr */
1088 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
1090 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
1091 vlib_vmbus_addr_t *a2 = addr;
1092 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
1096 /* Device not whitelisted */
1097 pool_get (conf->dev_confs, devconf);
1098 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1099 devconf - conf->dev_confs, 0);
1100 devconf->vmbus_addr = *addr;
1101 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1102 devconf->is_blacklisted = 1;
1112 error = vlib_vmbus_bind_to_uio (addr);
1117 pool_get (conf->dev_confs, devconf);
1118 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1119 devconf - conf->dev_confs, 0);
1120 devconf->vmbus_addr = *addr;
1122 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1123 devconf->is_blacklisted = 1;
1124 clib_error_report (error);
1131 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
1133 uword *max_simd_bitwidth = va_arg (*va, uword *);
1135 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1137 if (!unformat (input, "%u", max_simd_bitwidth))
1140 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
1141 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
1149 static clib_error_t *
1150 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
1151 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
1154 clib_error_t *error = 0;
1156 dpdk_device_config_t *devconf = 0;
1157 unformat_input_t sub_input;
1161 devconf = &conf->default_devconf;
1163 else if (addr_type == VNET_DEV_ADDR_PCI)
1165 p = hash_get (conf->device_config_index_by_pci_addr,
1166 ((vlib_pci_addr_t *) (addr))->as_u32);
1170 pool_get (conf->dev_confs, devconf);
1171 hash_set (conf->device_config_index_by_pci_addr,
1172 ((vlib_pci_addr_t *) (addr))->as_u32,
1173 devconf - conf->dev_confs);
1176 return clib_error_return (0,
1177 "duplicate configuration for PCI address %U",
1178 format_vlib_pci_addr, addr);
1180 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1182 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
1183 (vlib_vmbus_addr_t *) (addr));
1187 pool_get (conf->dev_confs, devconf);
1188 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
1189 devconf - conf->dev_confs, 0);
1192 return clib_error_return (
1193 0, "duplicate configuration for VMBUS address %U",
1194 format_vlib_vmbus_addr, addr);
1197 if (addr_type == VNET_DEV_ADDR_PCI)
1199 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
1200 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1201 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
1203 else if (addr_type == VNET_DEV_ADDR_VMBUS)
1205 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
1206 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
1207 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
1213 unformat_skip_white_space (input);
1214 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1216 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
1218 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
1220 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
1222 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
1224 else if (unformat (input, "name %s", &devconf->name))
1226 else if (unformat (input, "workers %U", unformat_bitmap_list,
1231 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
1233 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
1237 else if (unformat (input, "tso on"))
1239 devconf->tso = DPDK_DEVICE_TSO_ON;
1241 else if (unformat (input, "tso off"))
1243 devconf->tso = DPDK_DEVICE_TSO_OFF;
1245 else if (unformat (input, "devargs %s", &devconf->devargs))
1247 else if (unformat (input, "rss-queues %U",
1248 unformat_bitmap_list, &devconf->rss_queues))
1250 else if (unformat (input, "max-lro-pkt-size %u",
1251 &devconf->max_lro_pkt_size))
1255 error = clib_error_return (0, "unknown input `%U'",
1256 format_unformat_error, input);
1264 if (devconf->workers && devconf->num_rx_queues == 0)
1265 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
1266 else if (devconf->workers &&
1267 clib_bitmap_count_set_bits (devconf->workers) !=
1268 devconf->num_rx_queues)
1269 error = clib_error_return (0,
1270 "%U: number of worker threads must be "
1271 "equal to number of rx queues",
1272 format_vlib_pci_addr, addr);
1277 static clib_error_t *
1278 dpdk_log_read_ready (clib_file_t * uf)
1280 unformat_input_t input;
1287 uword len = vec_len (s);
1288 vec_resize (s, len + n_try);
1290 n = read (uf->file_descriptor, s + len, n_try);
1291 if (n < 0 && errno != EAGAIN)
1292 return clib_error_return_unix (0, "read");
1293 _vec_len (s) = len + (n < 0 ? 0 : n);
1296 unformat_init_vector (&input, s);
1298 while (unformat_user (&input, unformat_line, &line))
1300 dpdk_log_notice ("%v", line);
1304 unformat_free (&input);
1308 static clib_error_t *
1309 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
1311 dpdk_main_t *dm = &dpdk_main;
1312 clib_error_t *error = 0;
1313 dpdk_config_main_t *conf = &dpdk_config_main;
1314 vlib_thread_main_t *tm = vlib_get_thread_main ();
1315 dpdk_device_config_t *devconf;
1316 vlib_pci_addr_t pci_addr = { 0 };
1317 vlib_vmbus_addr_t vmbus_addr = { 0 };
1318 unformat_input_t sub_input;
1319 uword default_hugepage_sz, x;
1322 int num_whitelisted = 0;
1323 int eal_no_hugetlb = 0;
1328 u8 *huge_dir_path = 0;
1329 u32 vendor, device, domain, bus, func;
1332 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
1334 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
1335 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
1336 sizeof (vlib_vmbus_addr_t));
1338 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1340 /* Prime the pump */
1341 if (unformat (input, "no-hugetlb"))
1343 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
1346 else if (unformat (input, "telemetry"))
1347 conf->enable_telemetry = 1;
1349 else if (unformat (input, "enable-tcp-udp-checksum"))
1351 dm->default_port_conf.enable_tcp_udp_checksum = 1;
1352 if (unformat (input, "enable-outer-checksum-offload"))
1353 dm->default_port_conf.enable_outer_checksum_offload = 1;
1355 else if (unformat (input, "no-tx-checksum-offload"))
1356 dm->default_port_conf.no_tx_checksum_offload = 1;
1358 else if (unformat (input, "decimal-interface-names"))
1359 conf->interface_name_format_decimal = 1;
1361 else if (unformat (input, "no-multi-seg"))
1362 dm->default_port_conf.no_multi_seg = 1;
1363 else if (unformat (input, "enable-lro"))
1364 dm->default_port_conf.enable_lro = 1;
1365 else if (unformat (input, "max-simd-bitwidth %U",
1366 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
1368 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
1372 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
1379 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
1380 unformat_vlib_cli_sub_input, &sub_input))
1382 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
1390 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
1393 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1400 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1401 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1403 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1411 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1415 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1422 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1424 else if (unformat (input, "socket-mem %s", &socket_mem))
1426 else if (unformat (input, "no-pci"))
1429 tmp = format (0, "--no-pci%c", 0);
1430 vec_add1 (conf->eal_init_args, tmp);
1432 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1435 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1439 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1441 tmp = format (0, "-b%c", 0);
1442 vec_add1 (conf->eal_init_args, tmp);
1444 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1445 vec_add1 (conf->eal_init_args, tmp);
1447 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1449 u32 blacklist_entry;
1450 if (vendor > 0xFFFF)
1451 return clib_error_return (0, "blacklist PCI vendor out of range");
1452 if (device > 0xFFFF)
1453 return clib_error_return (0, "blacklist PCI device out of range");
1454 blacklist_entry = (vendor << 16) | (device & 0xffff);
1455 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1458 else if (unformat (input, "no-vmbus"))
1461 tmp = format (0, "--no-vmbus%c", 0);
1462 vec_add1 (conf->eal_init_args, tmp);
1466 else if (unformat(input, #a)) \
1468 tmp = format (0, "--%s%c", #a, 0); \
1469 vec_add1 (conf->eal_init_args, tmp); \
1471 foreach_eal_double_hyphen_predicate_arg
1474 else if (unformat(input, #a " %s", &s)) \
1476 if (!strncmp(#a, "file-prefix", 11)) \
1478 tmp = format (0, "--%s%c", #a, 0); \
1479 vec_add1 (conf->eal_init_args, tmp); \
1481 if (!strncmp(#a, "vdev", 4)) \
1482 if (strstr((char*)s, "af_packet")) \
1483 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1484 vec_add1 (conf->eal_init_args, s); \
1486 foreach_eal_double_hyphen_arg
1489 else if (unformat(input, #a " %s", &s)) \
1491 tmp = format (0, "-%s%c", #b, 0); \
1492 vec_add1 (conf->eal_init_args, tmp); \
1494 vec_add1 (conf->eal_init_args, s); \
1496 foreach_eal_single_hyphen_arg
1498 else if (unformat (input, "default"))
1501 else if (unformat_skip_white_space (input))
1505 error = clib_error_return (0, "unknown input `%U'",
1506 format_unformat_error, input);
1511 if (!conf->uio_driver_name)
1512 conf->uio_driver_name = format (0, "auto%c", 0);
1514 if (eal_no_hugetlb == 0)
1516 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1518 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1521 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1525 /* preallocate at least 16MB of hugepages per socket,
1526 if more is needed it is up to consumer to preallocate more */
1527 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1528 n_pages /= default_hugepage_sz;
1530 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1531 clib_error_report (e);
1536 /* on/off dpdk's telemetry thread */
1537 if (conf->enable_telemetry == 0)
1539 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1544 tmp = format (0, "--file-prefix%c", 0);
1545 vec_add1 (conf->eal_init_args, tmp);
1546 tmp = format (0, "vpp%c", 0);
1547 vec_add1 (conf->eal_init_args, tmp);
1553 if (no_pci == 0 && geteuid () == 0)
1554 dpdk_bind_devices_to_uio (conf);
1556 if (no_vmbus == 0 && geteuid () == 0)
1557 dpdk_bind_vmbus_devices_to_uio (conf);
1560 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1561 devconf->x = conf->default_devconf.x ;
1563 pool_foreach (devconf, conf->dev_confs) {
1565 /* default per-device config items */
1566 foreach_dpdk_device_config_item
1568 /* copy tso config from default device */
1571 /* copy tso config from default device */
1574 /* copy rss_queues config from default device */
1577 /* add DPDK EAL whitelist/blacklist entry */
1578 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1579 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1581 tmp = format (0, "-a%c", 0);
1582 vec_add1 (conf->eal_init_args, tmp);
1583 if (devconf->devargs)
1585 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1586 &devconf->pci_addr, devconf->devargs, 0);
1590 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1592 vec_add1 (conf->eal_init_args, tmp);
1594 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1595 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1597 tmp = format (0, "-b%c", 0);
1598 vec_add1 (conf->eal_init_args, tmp);
1599 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1600 vec_add1 (conf->eal_init_args, tmp);
1607 clib_warning ("socket-mem argument is deprecated");
1609 /* NULL terminate the "argv" vector, in case of stupidity */
1610 vec_add1 (conf->eal_init_args, 0);
1611 _vec_len (conf->eal_init_args) -= 1;
1613 /* Set up DPDK eal and packet mbuf pool early. */
1615 int log_fds[2] = { 0 };
1616 if (pipe (log_fds) == 0)
1618 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1620 FILE *f = fdopen (log_fds[1], "a");
1621 if (f && rte_openlog_stream (f) == 0)
1623 clib_file_t t = { 0 };
1624 t.read_function = dpdk_log_read_ready;
1625 t.file_descriptor = log_fds[0];
1626 t.description = format (0, "DPDK logging pipe");
1627 clib_file_add (&file_main, &t);
1637 vm = vlib_get_main ();
1639 /* make copy of args as rte_eal_init tends to mess up with arg array */
1640 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1641 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1642 conf->eal_init_args[i]);
1644 vec_terminate_c_string (conf->eal_init_args_str);
1646 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1647 ret = rte_eal_init (vec_len (conf->eal_init_args),
1648 (char **) conf->eal_init_args);
1650 /* enable the AVX-512 vPMDs in DPDK */
1651 if (clib_cpu_supports_avx512_bitalg () &&
1652 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1653 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1654 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1655 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1656 DPDK_MAX_SIMD_BITWIDTH_256 ?
1660 /* lazy umount hugepages */
1661 umount2 ((char *) huge_dir_path, MNT_DETACH);
1662 rmdir ((char *) huge_dir_path);
1663 vec_free (huge_dir_path);
1666 return clib_error_return (0, "rte_eal_init returned %d", ret);
1668 /* main thread 1st */
1669 if ((error = dpdk_buffer_pools_create (vm)))
1676 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1679 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1681 vnet_main_t *vnm = vnet_get_main ();
1682 struct rte_eth_link prev_link = xd->link;
1684 u8 hw_flags_chg = 0;
1686 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1687 clib_memset (&xd->link, 0, sizeof (xd->link));
1688 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1690 if (LINK_STATE_ELOGS)
1692 ELOG_TYPE_DECLARE (e) =
1695 "update-link-state: sw_if_index %d, admin_up %d,"
1696 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1705 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1706 ed->sw_if_index = xd->sw_if_index;
1707 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1708 ed->old_link_state = (u8)
1709 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1710 ed->new_link_state = (u8) xd->link.link_status;
1713 if ((xd->link.link_duplex != prev_link.link_duplex))
1716 switch (xd->link.link_duplex)
1718 case ETH_LINK_HALF_DUPLEX:
1719 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1721 case ETH_LINK_FULL_DUPLEX:
1722 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1728 if (xd->link.link_speed != prev_link.link_speed)
1729 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1730 xd->link.link_speed * 1000);
1732 if (xd->link.link_status != prev_link.link_status)
1736 if (xd->link.link_status)
1737 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1742 if (LINK_STATE_ELOGS)
1744 ELOG_TYPE_DECLARE (e) =
1747 "update-link-state: sw_if_index %d, new flags %d",.format_args
1755 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1756 ed->sw_if_index = xd->sw_if_index;
1757 ed->flags = hw_flags;
1759 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1764 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1766 clib_error_t *error;
1767 dpdk_main_t *dm = &dpdk_main;
1769 vlib_thread_main_t *tm = vlib_get_thread_main ();
1771 error = dpdk_lib_init (dm);
1774 clib_error_report (error);
1776 if (dpdk_cryptodev_init)
1778 error = dpdk_cryptodev_init (vm);
1781 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1783 clib_error_free (error);
1787 tm->worker_thread_release = 1;
1789 f64 now = vlib_time_now (vm);
1790 vec_foreach (xd, dm->devices)
1792 dpdk_update_link_state (xd, now);
1798 * check each time through the loop in case intervals are changed
1800 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1801 dm->link_state_poll_interval : dm->stat_poll_interval;
1803 vlib_process_wait_for_event_or_clock (vm, min_wait);
1805 if (dm->admin_up_down_in_progress)
1806 /* skip the poll if an admin up down is in progress (on any interface) */
1809 vec_foreach (xd, dm->devices)
1811 f64 now = vlib_time_now (vm);
1812 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1813 dpdk_update_counters (xd, now);
1814 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1815 dpdk_update_link_state (xd, now);
1824 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1825 .function = dpdk_process,
1826 .type = VLIB_NODE_TYPE_PROCESS,
1827 .name = "dpdk-process",
1828 .process_log2_n_stack_bytes = 17,
1832 static clib_error_t *
1833 dpdk_init (vlib_main_t * vm)
1835 dpdk_main_t *dm = &dpdk_main;
1836 clib_error_t *error = 0;
1838 /* verify that structs are cacheline aligned */
1839 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1840 "Cache line marker must be 1st element in dpdk_device_t");
1841 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1842 CLIB_CACHE_LINE_BYTES,
1843 "Data in cache line 0 is bigger than cache line size");
1844 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1845 "Cache line marker must be 1st element in frame_queue_trace_t");
1847 dpdk_cli_reference ();
1849 dm->conf = &dpdk_config_main;
1851 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1853 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1854 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1856 dm->log_default = vlib_log_register_class ("dpdk", 0);
1857 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1862 VLIB_INIT_FUNCTION (dpdk_init);
1864 static clib_error_t *
1865 dpdk_worker_thread_init (vlib_main_t *vm)
1867 if (rte_thread_register () < 0)
1868 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1869 rte_strerror (rte_errno));
1873 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);