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/vnet.h>
25 #include <vnet/ethernet/ethernet.h>
26 #include <vnet/interface/rx_queue_funcs.h>
27 #include <dpdk/buffer.h>
28 #include <dpdk/device/dpdk.h>
29 #include <dpdk/cryptodev/cryptodev.h>
30 #include <vlib/pci/pci.h>
31 #include <vlib/vmbus/vmbus.h>
40 #include <sys/mount.h>
45 #include <dpdk/device/dpdk_priv.h>
47 dpdk_main_t dpdk_main;
48 dpdk_config_main_t dpdk_config_main;
50 #define LINK_STATE_ELOGS 0
52 /* dev_info.speed_capa -> interface name mapppings */
57 } if_name_prefixes[] = {
58 /* sorted, higher speed first */
59 { ETH_LINK_SPEED_200G, "TwoHundredGigabitEthernet" },
60 { ETH_LINK_SPEED_100G, "HundredGigabitEthernet" },
61 { ETH_LINK_SPEED_56G, "FiftySixGigabitEthernet" },
62 { ETH_LINK_SPEED_50G, "FiftyGigabitEthernet" },
63 { ETH_LINK_SPEED_40G, "FortyGigabitEthernet" },
64 { ETH_LINK_SPEED_25G, "TwentyFiveGigabitEthernet" },
65 { ETH_LINK_SPEED_20G, "TwentyGigabitEthernet" },
66 { ETH_LINK_SPEED_10G, "TenGigabitEthernet" },
67 { ETH_LINK_SPEED_5G, "FiveGigabitEthernet" },
68 { ETH_LINK_SPEED_2_5G, "TwoDotFiveGigabitEthernet" },
69 { ETH_LINK_SPEED_1G, "GigabitEthernet" },
73 dpdk_set_mtu (vnet_main_t *vnm, vnet_hw_interface_t *hi, u32 mtu)
75 dpdk_main_t *dm = &dpdk_main;
76 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
79 rv = rte_eth_dev_set_mtu (xd->port_id, mtu);
83 dpdk_log_err ("[%u] rte_eth_dev_set_mtu failed (mtu %u, rv %d)",
84 xd->port_id, mtu, rv);
88 return vnet_error (VNET_ERR_UNSUPPORTED,
89 "dpdk driver doesn't support MTU change");
91 return vnet_error (VNET_ERR_BUSY, "port is running");
93 return vnet_error (VNET_ERR_INVALID_VALUE, "invalid MTU");
95 return vnet_error (VNET_ERR_BUG,
96 "unexpected return value %d returned from "
97 "rte_eth_dev_set_mtu(...)",
102 dpdk_log_debug ("[%u] mtu set to %u", xd->port_id, mtu);
108 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
110 dpdk_main_t *dm = &dpdk_main;
111 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
112 u32 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
116 case ETHERNET_INTERFACE_FLAG_DEFAULT_L3:
117 /* set to L3/non-promisc mode */
118 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_PROMISC, 0);
120 case ETHERNET_INTERFACE_FLAG_ACCEPT_ALL:
121 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_PROMISC, 1);
127 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
129 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
130 rte_eth_promiscuous_enable (xd->port_id);
132 rte_eth_promiscuous_disable (xd->port_id);
138 /* The function check_l3cache helps check if Level 3 cache exists or not on current CPUs
139 return value 1: exist.
140 return value 0: not exist.
148 const char *sys_cache_dir = "/sys/devices/system/cpu/cpu0/cache";
149 DIR *dir_cache = opendir (sys_cache_dir);
151 if (dir_cache == NULL)
154 while ((dp = readdir (dir_cache)) != NULL)
156 if (dp->d_type == DT_DIR)
159 int level_cache = -1;
161 p = format (p, "%s/%s/%s%c", sys_cache_dir, dp->d_name, "level", 0);
162 if ((err = clib_sysfs_read ((char *) p, "%d", &level_cache)))
163 clib_error_free (err);
165 if (level_cache == 3)
167 closedir (dir_cache);
173 if (dir_cache != NULL)
174 closedir (dir_cache);
179 static dpdk_device_config_t *
180 dpdk_find_startup_config (struct rte_eth_dev_info *di)
182 dpdk_main_t *dm = &dpdk_main;
183 struct rte_pci_device *pci_dev;
184 struct rte_vmbus_device *vmbus_dev;
185 vlib_pci_addr_t pci_addr;
186 vlib_vmbus_addr_t vmbus_addr;
189 if ((pci_dev = dpdk_get_pci_device (di)))
191 pci_addr.domain = pci_dev->addr.domain;
192 pci_addr.bus = pci_dev->addr.bus;
193 pci_addr.slot = pci_dev->addr.devid;
194 pci_addr.function = pci_dev->addr.function;
196 hash_get (dm->conf->device_config_index_by_pci_addr, pci_addr.as_u32);
199 if ((vmbus_dev = dpdk_get_vmbus_device (di)))
201 unformat_input_t input_vmbus;
202 unformat_init_string (&input_vmbus, di->device->name,
203 strlen (di->device->name));
204 if (unformat (&input_vmbus, "%U", unformat_vlib_vmbus_addr, &vmbus_addr))
205 p = mhash_get (&dm->conf->device_config_index_by_vmbus_addr,
207 unformat_free (&input_vmbus);
211 return pool_elt_at_index (dm->conf->dev_confs, p[0]);
212 return &dm->conf->default_devconf;
215 static clib_error_t *
216 dpdk_lib_init (dpdk_main_t * dm)
218 vnet_main_t *vnm = vnet_get_main ();
220 vlib_thread_main_t *tm = vlib_get_thread_main ();
221 vnet_device_main_t *vdm = &vnet_device_main;
222 vnet_sw_interface_t *sw;
223 vnet_hw_interface_t *hi;
227 /* vlib_buffer_t template */
228 vec_validate_aligned (dm->per_thread_data, tm->n_vlib_mains - 1,
229 CLIB_CACHE_LINE_BYTES);
230 for (int i = 0; i < tm->n_vlib_mains; i++)
232 dpdk_per_thread_data_t *ptd = vec_elt_at_index (dm->per_thread_data, i);
233 clib_memset (&ptd->buffer_template, 0, sizeof (vlib_buffer_t));
234 vnet_buffer (&ptd->buffer_template)->sw_if_index[VLIB_TX] = (u32) ~ 0;
238 dm->conf->interface_name_format_decimal ? "%d/%d/%d" : "%x/%x/%x";
240 /* device config defaults */
241 dm->default_port_conf.n_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
242 dm->default_port_conf.n_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
243 dm->default_port_conf.n_rx_queues = 1;
244 dm->default_port_conf.n_tx_queues = tm->n_vlib_mains;
245 dm->default_port_conf.rss_hf = ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
246 dm->default_port_conf.max_lro_pkt_size = DPDK_MAX_LRO_SIZE_DEFAULT;
248 if ((clib_mem_get_default_hugepage_size () == 2 << 20) &&
249 check_l3cache () == 0)
250 dm->default_port_conf.n_rx_desc = dm->default_port_conf.n_tx_desc = 512;
252 RTE_ETH_FOREACH_DEV (port_id)
256 struct rte_eth_dev_info di;
257 dpdk_device_config_t *devconf = 0;
258 vnet_eth_interface_registration_t eir = {};
261 if (!rte_eth_dev_is_valid_port (port_id))
264 if ((rv = rte_eth_dev_info_get (port_id, &di)) != 0)
266 dpdk_log_warn ("[%u] failed to get device info. skipping device.",
273 dpdk_log_warn ("[%u] missing device info. Skipping '%s' device",
274 port_id, di.driver_name);
278 devconf = dpdk_find_startup_config (&di);
280 /* If device is blacklisted, we should skip it */
281 if (devconf->is_blacklisted)
283 dpdk_log_notice ("[%d] Device %s blacklisted. Skipping...", port_id,
288 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
289 xd->port_id = port_id;
290 xd->device_index = xd - dm->devices;
291 xd->per_interface_next_index = ~0;
293 clib_memcpy (&xd->conf, &dm->default_port_conf,
294 sizeof (dpdk_port_conf_t));
296 /* find driver datea for this PMD */
297 if ((dr = dpdk_driver_find (di.driver_name, &xd->if_desc)))
300 xd->supported_flow_actions = dr->supported_flow_actions;
301 xd->conf.disable_rss = dr->mq_mode_none;
302 xd->conf.disable_rx_scatter = dr->disable_rx_scatter;
303 if (dr->use_intel_phdr_cksum)
304 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM, 1);
305 if (dr->int_unmaskable)
306 dpdk_device_flag_set (xd, DPDK_DEVICE_FLAG_INT_UNMASKABLE, 1);
309 dpdk_log_warn ("[%u] unknown driver '%s'", port_id, di.driver_name);
313 xd->name = devconf->name;
317 struct rte_pci_device *pci_dev;
318 if (dr && dr->interface_name_prefix)
320 /* prefix override by driver */
321 xd->name = format (xd->name, "%s", dr->interface_name_prefix);
325 /* interface name prefix from speed_capa */
326 u64 mask = ~((if_name_prefixes[0].link_speed << 1) - 1);
328 if (di.speed_capa & mask)
329 dpdk_log_warn ("[%u] unknown speed capability 0x%x reported",
330 xd->port_id, di.speed_capa & mask);
332 for (int i = 0; i < ARRAY_LEN (if_name_prefixes); i++)
333 if (if_name_prefixes[i].link_speed & di.speed_capa)
336 format (xd->name, "%s", if_name_prefixes[i].pfx);
340 xd->name = format (xd->name, "Ethernet");
343 if (dr && dr->interface_number_from_port_id)
344 xd->name = format (xd->name, "%u", port_id);
345 else if ((pci_dev = dpdk_get_pci_device (&di)))
346 xd->name = format (xd->name, if_num_fmt, pci_dev->addr.bus,
347 pci_dev->addr.devid, pci_dev->addr.function);
349 xd->name = format (xd->name, "%u", port_id);
352 /* Handle representor devices that share the same PCI ID */
353 if ((di.switch_info.domain_id != RTE_ETH_DEV_SWITCH_DOMAIN_ID_INVALID) &&
354 (di.switch_info.port_id != (uint16_t) -1))
355 xd->name = format (xd->name, "/%d", di.switch_info.port_id);
357 /* number of RX and TX queues */
358 if (devconf->num_tx_queues > 0 &&
359 devconf->num_tx_queues < xd->conf.n_tx_queues)
360 xd->conf.n_tx_queues = devconf->num_tx_queues;
362 if (devconf->num_rx_queues > 1 &&
363 di.max_rx_queues >= devconf->num_rx_queues)
365 xd->conf.n_rx_queues = devconf->num_rx_queues;
368 u64 unsupported_bits;
369 xd->conf.rss_hf = devconf->rss_fn;
370 unsupported_bits = xd->conf.rss_hf;
371 unsupported_bits &= ~di.flow_type_rss_offloads;
372 if (unsupported_bits)
373 dpdk_log_warn ("Unsupported RSS hash functions: %U",
374 format_dpdk_rss_hf_name, unsupported_bits);
376 xd->conf.rss_hf &= di.flow_type_rss_offloads;
379 /* number of RX and TX tescriptors */
380 if (devconf->num_rx_desc)
381 xd->conf.n_rx_desc = devconf->num_rx_desc;
382 else if (dr && dr->n_rx_desc)
383 xd->conf.n_rx_desc = dr->n_rx_desc;
385 if (devconf->num_tx_desc)
386 xd->conf.n_tx_desc = devconf->num_tx_desc;
387 else if (dr && dr->n_tx_desc)
388 xd->conf.n_tx_desc = dr->n_tx_desc;
390 vec_validate_aligned (xd->rx_queues, xd->conf.n_rx_queues - 1,
391 CLIB_CACHE_LINE_BYTES);
393 rte_eth_macaddr_get (port_id, (void *) addr);
395 /* create interface */
396 eir.dev_class_index = dpdk_device_class.index;
397 eir.dev_instance = xd->device_index;
399 eir.cb.flag_change = dpdk_flag_change;
400 eir.cb.set_mtu = dpdk_set_mtu;
401 xd->hw_if_index = vnet_eth_register_interface (vnm, &eir);
402 hi = vnet_get_hw_interface (vnm, xd->hw_if_index);
403 hi->numa_node = xd->cpu_socket = (i8) rte_eth_dev_socket_id (port_id);
404 sw = vnet_get_hw_sw_interface (vnm, xd->hw_if_index);
405 xd->sw_if_index = sw->sw_if_index;
406 dpdk_log_debug ("[%u] interface %s created", port_id, hi->name);
408 ethernet_set_flags (vnm, xd->hw_if_index,
409 ETHERNET_INTERFACE_FLAG_DEFAULT_L3);
411 /* assign worker threads */
412 vnet_hw_if_set_input_node (vnm, xd->hw_if_index, dpdk_input_node.index);
413 if (devconf->workers)
417 clib_bitmap_foreach (j, devconf->workers)
419 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
420 rxq->queue_index = vnet_hw_if_register_rx_queue (
421 vnm, xd->hw_if_index, q++, vdm->first_worker_thread_index + j);
425 for (q = 0; q < xd->conf.n_rx_queues; q++)
427 dpdk_rx_queue_t *rxq = vec_elt_at_index (xd->rx_queues, q);
428 rxq->queue_index = vnet_hw_if_register_rx_queue (
429 vnm, xd->hw_if_index, q, VNET_HW_IF_RXQ_THREAD_ANY);
432 if (devconf->tso == DPDK_DEVICE_TSO_ON)
434 /*tcp_udp checksum must be enabled*/
435 if (xd->conf.enable_tcp_udp_checksum == 0)
436 dpdk_log_warn ("[%u] TCP/UDP checksum offload must be enabled",
438 else if ((di.tx_offload_capa & DEV_TX_OFFLOAD_TCP_TSO) == 0)
439 dpdk_log_warn ("[%u] TSO not supported by device", xd->port_id);
441 xd->conf.enable_tso = 1;
444 if (devconf->max_lro_pkt_size)
445 xd->conf.max_lro_pkt_size = devconf->max_lro_pkt_size;
447 dpdk_device_setup (xd);
449 /* rss queues should be configured after dpdk_device_setup() */
450 if (devconf->rss_queues)
452 if (vnet_hw_interface_set_rss_queues (vnet_get_main (), hi,
453 devconf->rss_queues))
454 dpdk_log_warn ("[%u] Failed to set rss queues", port_id);
457 if (vec_len (xd->errors))
458 dpdk_log_err ("[%u] setup failed Errors:\n %U", port_id,
459 format_dpdk_device_errors, xd);
462 for (int i = 0; i < vec_len (dm->devices); i++)
463 vnet_hw_if_update_runtime_data (vnm, dm->devices[i].hw_if_index);
469 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
471 vlib_main_t *vm = vlib_get_main ();
474 int num_whitelisted = vec_len (conf->dev_confs);
475 vlib_pci_device_info_t *d = 0;
476 vlib_pci_addr_t *addr = 0, *addrs;
479 addrs = vlib_pci_get_all_dev_addrs ();
481 vec_foreach (addr, addrs)
483 dpdk_device_config_t * devconf = 0;
484 vec_reset_length (pci_addr);
485 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, addr, 0);
488 vlib_pci_free_device_info (d);
491 d = vlib_pci_get_device_info (vm, addr, &error);
494 vlib_log_warn (dpdk_main.log_default, "%U", format_clib_error, error);
495 clib_error_free (error);
499 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
504 uword * p = hash_get (conf->device_config_index_by_pci_addr, addr->as_u32);
512 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
515 /* Enforce Device blacklist by vendor and device */
516 for (i = 0; i < vec_len (conf->blacklist_by_pci_vendor_and_device); i++)
519 vendor = (u16)(conf->blacklist_by_pci_vendor_and_device[i] >> 16);
520 device = (u16)(conf->blacklist_by_pci_vendor_and_device[i] & 0xFFFF);
521 if (d->vendor_id == vendor && d->device_id == device)
524 * Expected case: device isn't whitelisted,
529 /* Device is blacklisted */
530 pool_get (conf->dev_confs, devconf);
531 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
532 devconf - conf->dev_confs);
533 devconf->pci_addr.as_u32 = addr->as_u32;
534 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
535 devconf->is_blacklisted = 1;
538 else /* explicitly whitelisted, ignore the device blacklist */
544 if (d->vendor_id == 0x1af4 &&
545 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
546 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
549 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
552 * For vmxnet3 PCI, unless it is explicitly specified in the whitelist,
553 * the default is to put it in the blacklist.
557 pool_get (conf->dev_confs, devconf);
558 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
559 devconf - conf->dev_confs);
560 devconf->pci_addr.as_u32 = addr->as_u32;
561 devconf->is_blacklisted = 1;
564 /* all Intel network devices */
565 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
567 /* all Intel QAT devices VFs */
568 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
569 (d->device_id == 0x0443 || d->device_id == 0x18a1 || d->device_id == 0x19e3 ||
570 d->device_id == 0x37c9 || d->device_id == 0x6f55))
573 else if (d->vendor_id == 0x1137 &&
574 (d->device_id == 0x0043 || d->device_id == 0x0071))
577 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
579 /* Amazon Elastic Network Adapter */
580 else if (d->vendor_id == 0x1d0f && d->device_id >= 0xec20 && d->device_id <= 0xec21)
582 /* Cavium Network Adapter */
583 else if (d->vendor_id == 0x177d && d->device_id == 0x9712)
585 /* Cavium FastlinQ QL41000 Series */
586 else if (d->vendor_id == 0x1077 && d->device_id >= 0x8070 && d->device_id <= 0x8090)
588 /* Mellanox CX3, CX3VF */
589 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1003 && d->device_id <= 0x1004)
593 /* Mellanox CX4, CX4VF, CX4LX, CX4LXVF, CX5, CX5VF, CX5EX, CX5EXVF */
594 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
598 /* Mellanox CX6, CX6VF, CX6DX, CX6DXVF */
599 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x101b && d->device_id <= 0x101e)
603 /* Broadcom NetXtreme S, and E series only */
604 else if (d->vendor_id == 0x14e4 &&
605 ((d->device_id >= 0x16c0 &&
606 d->device_id != 0x16c6 && d->device_id != 0x16c7 &&
607 d->device_id != 0x16dd && d->device_id != 0x16f7 &&
608 d->device_id != 0x16fd && d->device_id != 0x16fe &&
609 d->device_id != 0x170d && d->device_id != 0x170c &&
610 d->device_id != 0x170e && d->device_id != 0x1712 &&
611 d->device_id != 0x1713) ||
612 (d->device_id == 0x1604 || d->device_id == 0x1605 ||
613 d->device_id == 0x1614 || d->device_id == 0x1606 ||
614 d->device_id == 0x1609 || d->device_id == 0x1614)))
618 dpdk_log_warn ("Unsupported PCI device 0x%04x:0x%04x found "
619 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
624 error = vlib_pci_bind_to_uio (vm, addr, (char *) conf->uio_driver_name);
630 pool_get (conf->dev_confs, devconf);
631 hash_set (conf->device_config_index_by_pci_addr, addr->as_u32,
632 devconf - conf->dev_confs);
633 devconf->pci_addr.as_u32 = addr->as_u32;
635 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
636 devconf->is_blacklisted = 1;
637 clib_error_report (error);
642 vlib_pci_free_device_info (d);
646 dpdk_bind_vmbus_devices_to_uio (dpdk_config_main_t * conf)
649 vlib_vmbus_addr_t *addrs, *addr = 0;
650 int num_whitelisted = vec_len (conf->dev_confs);
653 addrs = vlib_vmbus_get_all_dev_addrs ();
656 vec_foreach (addr, addrs)
658 dpdk_device_config_t *devconf = 0;
662 mhash_get (&conf->device_config_index_by_vmbus_addr, addr);
665 /* No devices blacklisted, but have whitelisted. blacklist all
667 pool_get (conf->dev_confs, devconf);
668 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
669 devconf - conf->dev_confs, 0);
670 devconf->vmbus_addr = *addr;
671 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
672 devconf->is_blacklisted = 1;
677 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
680 /* Enforce Device blacklist by vmbus_addr */
681 for (i = 0; i < vec_len (conf->blacklist_by_vmbus_addr); i++)
683 vlib_vmbus_addr_t *a1 = &conf->blacklist_by_vmbus_addr[i];
684 vlib_vmbus_addr_t *a2 = addr;
685 if (memcmp (a1, a2, sizeof (vlib_vmbus_addr_t)) == 0)
689 /* Device not whitelisted */
690 pool_get (conf->dev_confs, devconf);
691 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
692 devconf - conf->dev_confs, 0);
693 devconf->vmbus_addr = *addr;
694 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
695 devconf->is_blacklisted = 1;
705 error = vlib_vmbus_bind_to_uio (addr);
710 pool_get (conf->dev_confs, devconf);
711 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
712 devconf - conf->dev_confs, 0);
713 devconf->vmbus_addr = *addr;
715 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
716 devconf->is_blacklisted = 1;
717 clib_error_report (error);
724 unformat_max_simd_bitwidth (unformat_input_t *input, va_list *va)
726 uword *max_simd_bitwidth = va_arg (*va, uword *);
728 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
730 if (!unformat (input, "%u", max_simd_bitwidth))
733 if (*max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_256 &&
734 *max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_512)
742 static clib_error_t *
743 dpdk_device_config (dpdk_config_main_t *conf, void *addr,
744 dpdk_device_addr_type_t addr_type, unformat_input_t *input,
747 clib_error_t *error = 0;
749 dpdk_device_config_t *devconf = 0;
750 unformat_input_t sub_input;
754 devconf = &conf->default_devconf;
756 else if (addr_type == VNET_DEV_ADDR_PCI)
758 p = hash_get (conf->device_config_index_by_pci_addr,
759 ((vlib_pci_addr_t *) (addr))->as_u32);
763 pool_get (conf->dev_confs, devconf);
764 hash_set (conf->device_config_index_by_pci_addr,
765 ((vlib_pci_addr_t *) (addr))->as_u32,
766 devconf - conf->dev_confs);
769 return clib_error_return (0,
770 "duplicate configuration for PCI address %U",
771 format_vlib_pci_addr, addr);
773 else if (addr_type == VNET_DEV_ADDR_VMBUS)
775 p = mhash_get (&conf->device_config_index_by_vmbus_addr,
776 (vlib_vmbus_addr_t *) (addr));
780 pool_get (conf->dev_confs, devconf);
781 mhash_set (&conf->device_config_index_by_vmbus_addr, addr,
782 devconf - conf->dev_confs, 0);
785 return clib_error_return (
786 0, "duplicate configuration for VMBUS address %U",
787 format_vlib_vmbus_addr, addr);
790 if (addr_type == VNET_DEV_ADDR_PCI)
792 devconf->pci_addr.as_u32 = ((vlib_pci_addr_t *) (addr))->as_u32;
793 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
794 devconf->dev_addr_type = VNET_DEV_ADDR_PCI;
796 else if (addr_type == VNET_DEV_ADDR_VMBUS)
798 devconf->vmbus_addr = *((vlib_vmbus_addr_t *) (addr));
799 devconf->tso = DPDK_DEVICE_TSO_DEFAULT;
800 devconf->dev_addr_type = VNET_DEV_ADDR_VMBUS;
806 unformat_skip_white_space (input);
807 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
809 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
811 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
813 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
815 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
817 else if (unformat (input, "name %v", &devconf->name))
819 else if (unformat (input, "workers %U", unformat_bitmap_list,
824 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
826 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
830 else if (unformat (input, "tso on"))
832 devconf->tso = DPDK_DEVICE_TSO_ON;
834 else if (unformat (input, "tso off"))
836 devconf->tso = DPDK_DEVICE_TSO_OFF;
838 else if (unformat (input, "devargs %s", &devconf->devargs))
840 else if (unformat (input, "rss-queues %U",
841 unformat_bitmap_list, &devconf->rss_queues))
843 else if (unformat (input, "max-lro-pkt-size %u",
844 &devconf->max_lro_pkt_size))
848 error = clib_error_return (0, "unknown input `%U'",
849 format_unformat_error, input);
857 if (devconf->workers && devconf->num_rx_queues == 0)
858 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
859 else if (devconf->workers &&
860 clib_bitmap_count_set_bits (devconf->workers) !=
861 devconf->num_rx_queues)
862 error = clib_error_return (0,
863 "%U: number of worker threads must be "
864 "equal to number of rx queues",
865 format_vlib_pci_addr, addr);
870 static clib_error_t *
871 dpdk_log_read_ready (clib_file_t * uf)
873 unformat_input_t input;
880 uword len = vec_len (s);
881 vec_resize (s, len + n_try);
883 n = read (uf->file_descriptor, s + len, n_try);
884 if (n < 0 && errno != EAGAIN)
885 return clib_error_return_unix (0, "read");
886 _vec_len (s) = len + (n < 0 ? 0 : n);
889 unformat_init_vector (&input, s);
891 while (unformat_user (&input, unformat_line, &line))
896 /* unfortunatelly DPDK polutes log with this error messages
897 * even when we pass --in-memory which means no secondary process */
898 if (strstr ((char *) line, "WARNING! Base virtual address hint"))
900 else if (strstr ((char *) line, "This may cause issues with mapping "
901 "memory into secondary processes"))
905 dpdk_log_notice ("%v", line);
909 unformat_free (&input);
913 static clib_error_t *
914 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
916 dpdk_main_t *dm = &dpdk_main;
917 clib_error_t *error = 0;
918 dpdk_config_main_t *conf = &dpdk_config_main;
919 vlib_thread_main_t *tm = vlib_get_thread_main ();
920 dpdk_device_config_t *devconf;
921 vlib_pci_addr_t pci_addr = { 0 };
922 vlib_vmbus_addr_t vmbus_addr = { 0 };
923 unformat_input_t sub_input;
924 uword default_hugepage_sz, x;
927 int num_whitelisted = 0;
928 int eal_no_hugetlb = 0;
933 u8 *huge_dir_path = 0;
934 u32 vendor, device, domain, bus, func;
937 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
939 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
940 mhash_init (&conf->device_config_index_by_vmbus_addr, sizeof (uword),
941 sizeof (vlib_vmbus_addr_t));
943 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
946 if (unformat (input, "no-hugetlb"))
948 vec_add1 (conf->eal_init_args, (u8 *) "--no-huge");
951 else if (unformat (input, "telemetry"))
952 conf->enable_telemetry = 1;
954 else if (unformat (input, "enable-tcp-udp-checksum"))
956 dm->default_port_conf.enable_tcp_udp_checksum = 1;
957 if (unformat (input, "enable-outer-checksum-offload"))
958 dm->default_port_conf.enable_outer_checksum_offload = 1;
960 else if (unformat (input, "no-tx-checksum-offload"))
961 dm->default_port_conf.disable_tx_checksum_offload = 1;
963 else if (unformat (input, "decimal-interface-names"))
964 conf->interface_name_format_decimal = 1;
966 else if (unformat (input, "no-multi-seg"))
967 dm->default_port_conf.disable_multi_seg = 1;
968 else if (unformat (input, "enable-lro"))
969 dm->default_port_conf.enable_lro = 1;
970 else if (unformat (input, "max-simd-bitwidth %U",
971 unformat_max_simd_bitwidth, &conf->max_simd_bitwidth))
973 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
977 dpdk_device_config (conf, 0, VNET_DEV_ADDR_ANY, &sub_input, 1);
984 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
985 unformat_vlib_cli_sub_input, &sub_input))
987 error = dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI,
995 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
998 dpdk_device_config (conf, &pci_addr, VNET_DEV_ADDR_PCI, 0, 0);
1005 else if (unformat (input, "dev %U %U", unformat_vlib_vmbus_addr,
1006 &vmbus_addr, unformat_vlib_cli_sub_input, &sub_input))
1008 error = dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS,
1016 else if (unformat (input, "dev %U", unformat_vlib_vmbus_addr,
1020 dpdk_device_config (conf, &vmbus_addr, VNET_DEV_ADDR_VMBUS, 0, 0);
1027 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
1029 else if (unformat (input, "socket-mem %s", &socket_mem))
1031 else if (unformat (input, "no-pci"))
1034 tmp = format (0, "--no-pci%c", 0);
1035 vec_add1 (conf->eal_init_args, tmp);
1037 else if (unformat (input, "blacklist %U", unformat_vlib_vmbus_addr,
1040 vec_add1 (conf->blacklist_by_vmbus_addr, vmbus_addr);
1044 (input, "blacklist %x:%x:%x.%x", &domain, &bus, &device, &func))
1046 tmp = format (0, "-b%c", 0);
1047 vec_add1 (conf->eal_init_args, tmp);
1049 format (0, "%04x:%02x:%02x.%x%c", domain, bus, device, func, 0);
1050 vec_add1 (conf->eal_init_args, tmp);
1052 else if (unformat (input, "blacklist %x:%x", &vendor, &device))
1054 u32 blacklist_entry;
1055 if (vendor > 0xFFFF)
1056 return clib_error_return (0, "blacklist PCI vendor out of range");
1057 if (device > 0xFFFF)
1058 return clib_error_return (0, "blacklist PCI device out of range");
1059 blacklist_entry = (vendor << 16) | (device & 0xffff);
1060 vec_add1 (conf->blacklist_by_pci_vendor_and_device,
1063 else if (unformat (input, "no-vmbus"))
1066 tmp = format (0, "--no-vmbus%c", 0);
1067 vec_add1 (conf->eal_init_args, tmp);
1071 else if (unformat(input, #a)) \
1073 tmp = format (0, "--%s%c", #a, 0); \
1074 vec_add1 (conf->eal_init_args, tmp); \
1076 foreach_eal_double_hyphen_predicate_arg
1079 else if (unformat(input, #a " %s", &s)) \
1081 if (!strncmp(#a, "file-prefix", 11)) \
1083 tmp = format (0, "--%s%c", #a, 0); \
1084 vec_add1 (conf->eal_init_args, tmp); \
1086 if (!strncmp(#a, "vdev", 4)) \
1087 if (strstr((char*)s, "af_packet")) \
1088 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
1089 vec_add1 (conf->eal_init_args, s); \
1091 foreach_eal_double_hyphen_arg
1094 else if (unformat(input, #a " %s", &s)) \
1096 tmp = format (0, "-%s%c", #b, 0); \
1097 vec_add1 (conf->eal_init_args, tmp); \
1099 vec_add1 (conf->eal_init_args, s); \
1101 foreach_eal_single_hyphen_arg
1103 else if (unformat (input, "default"))
1106 else if (unformat_skip_white_space (input))
1110 error = clib_error_return (0, "unknown input `%U'",
1111 format_unformat_error, input);
1116 if (!conf->uio_driver_name)
1117 conf->uio_driver_name = format (0, "auto%c", 0);
1119 if (eal_no_hugetlb == 0)
1121 vec_add1 (conf->eal_init_args, (u8 *) "--in-memory");
1123 default_hugepage_sz = clib_mem_get_default_hugepage_size ();
1126 clib_bitmap_foreach (x, tm->cpu_socket_bitmap)
1130 /* preallocate at least 16MB of hugepages per socket,
1131 if more is needed it is up to consumer to preallocate more */
1132 n_pages = round_pow2 ((uword) 16 << 20, default_hugepage_sz);
1133 n_pages /= default_hugepage_sz;
1135 if ((e = clib_sysfs_prealloc_hugepages(x, 0, n_pages)))
1136 clib_error_report (e);
1141 /* on/off dpdk's telemetry thread */
1142 if (conf->enable_telemetry == 0)
1144 vec_add1 (conf->eal_init_args, (u8 *) "--no-telemetry");
1149 tmp = format (0, "--file-prefix%c", 0);
1150 vec_add1 (conf->eal_init_args, tmp);
1151 tmp = format (0, "vpp%c", 0);
1152 vec_add1 (conf->eal_init_args, tmp);
1158 if (no_pci == 0 && geteuid () == 0)
1159 dpdk_bind_devices_to_uio (conf);
1161 if (no_vmbus == 0 && geteuid () == 0)
1162 dpdk_bind_vmbus_devices_to_uio (conf);
1165 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1166 devconf->x = conf->default_devconf.x ;
1168 pool_foreach (devconf, conf->dev_confs) {
1170 /* default per-device config items */
1171 foreach_dpdk_device_config_item
1173 /* copy tso config from default device */
1176 /* copy tso config from default device */
1179 /* copy rss_queues config from default device */
1182 /* add DPDK EAL whitelist/blacklist entry */
1183 if (num_whitelisted > 0 && devconf->is_blacklisted == 0 &&
1184 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1186 tmp = format (0, "-a%c", 0);
1187 vec_add1 (conf->eal_init_args, tmp);
1188 if (devconf->devargs)
1190 tmp = format (0, "%U,%s%c", format_vlib_pci_addr,
1191 &devconf->pci_addr, devconf->devargs, 0);
1195 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1197 vec_add1 (conf->eal_init_args, tmp);
1199 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0 &&
1200 devconf->dev_addr_type == VNET_DEV_ADDR_PCI)
1202 tmp = format (0, "-b%c", 0);
1203 vec_add1 (conf->eal_init_args, tmp);
1204 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1205 vec_add1 (conf->eal_init_args, tmp);
1212 clib_warning ("socket-mem argument is deprecated");
1214 /* NULL terminate the "argv" vector, in case of stupidity */
1215 vec_add1 (conf->eal_init_args, 0);
1216 _vec_len (conf->eal_init_args) -= 1;
1218 /* Set up DPDK eal and packet mbuf pool early. */
1220 int log_fds[2] = { 0 };
1221 if (pipe (log_fds) == 0)
1223 if (fcntl (log_fds[1], F_SETFL, O_NONBLOCK) == 0)
1225 FILE *f = fdopen (log_fds[1], "a");
1226 if (f && rte_openlog_stream (f) == 0)
1228 clib_file_t t = { 0 };
1229 t.read_function = dpdk_log_read_ready;
1230 t.file_descriptor = log_fds[0];
1231 t.description = format (0, "DPDK logging pipe");
1232 clib_file_add (&file_main, &t);
1242 vm = vlib_get_main ();
1244 /* make copy of args as rte_eal_init tends to mess up with arg array */
1245 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1246 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1247 conf->eal_init_args[i]);
1249 vec_terminate_c_string (conf->eal_init_args_str);
1251 dpdk_log_notice ("EAL init args: %s", conf->eal_init_args_str);
1252 ret = rte_eal_init (vec_len (conf->eal_init_args),
1253 (char **) conf->eal_init_args);
1255 /* enable the AVX-512 vPMDs in DPDK */
1256 if (clib_cpu_supports_avx512_bitalg () &&
1257 conf->max_simd_bitwidth == DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1258 rte_vect_set_max_simd_bitwidth (RTE_VECT_SIMD_512);
1259 else if (conf->max_simd_bitwidth != DPDK_MAX_SIMD_BITWIDTH_DEFAULT)
1260 rte_vect_set_max_simd_bitwidth (conf->max_simd_bitwidth ==
1261 DPDK_MAX_SIMD_BITWIDTH_256 ?
1265 /* lazy umount hugepages */
1266 umount2 ((char *) huge_dir_path, MNT_DETACH);
1267 rmdir ((char *) huge_dir_path);
1268 vec_free (huge_dir_path);
1271 return clib_error_return (0, "rte_eal_init returned %d", ret);
1273 /* main thread 1st */
1274 if ((error = dpdk_buffer_pools_create (vm)))
1281 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1284 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1286 vnet_main_t *vnm = vnet_get_main ();
1287 struct rte_eth_link prev_link = xd->link;
1289 u8 hw_flags_chg = 0;
1291 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1292 clib_memset (&xd->link, 0, sizeof (xd->link));
1293 rte_eth_link_get_nowait (xd->port_id, &xd->link);
1295 if (LINK_STATE_ELOGS)
1297 ELOG_TYPE_DECLARE (e) =
1300 "update-link-state: sw_if_index %d, admin_up %d,"
1301 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1310 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1311 ed->sw_if_index = xd->sw_if_index;
1312 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1313 ed->old_link_state = (u8)
1314 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1315 ed->new_link_state = (u8) xd->link.link_status;
1318 if ((xd->link.link_duplex != prev_link.link_duplex))
1321 switch (xd->link.link_duplex)
1323 case ETH_LINK_HALF_DUPLEX:
1324 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1326 case ETH_LINK_FULL_DUPLEX:
1327 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1333 if (xd->link.link_speed != prev_link.link_speed)
1334 vnet_hw_interface_set_link_speed (vnm, xd->hw_if_index,
1335 xd->link.link_speed * 1000);
1337 if (xd->link.link_status != prev_link.link_status)
1341 if (xd->link.link_status)
1342 hw_flags |= VNET_HW_INTERFACE_FLAG_LINK_UP;
1347 if (LINK_STATE_ELOGS)
1349 ELOG_TYPE_DECLARE (e) =
1352 "update-link-state: sw_if_index %d, new flags %d",.format_args
1360 ed = ELOG_DATA (&vlib_global_main.elog_main, e);
1361 ed->sw_if_index = xd->sw_if_index;
1362 ed->flags = hw_flags;
1364 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1369 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1371 clib_error_t *error;
1372 dpdk_main_t *dm = &dpdk_main;
1374 vlib_thread_main_t *tm = vlib_get_thread_main ();
1376 error = dpdk_lib_init (dm);
1379 clib_error_report (error);
1381 if (dpdk_cryptodev_init)
1383 error = dpdk_cryptodev_init (vm);
1386 vlib_log_warn (dpdk_main.log_cryptodev, "%U", format_clib_error,
1388 clib_error_free (error);
1392 tm->worker_thread_release = 1;
1394 f64 now = vlib_time_now (vm);
1395 vec_foreach (xd, dm->devices)
1397 dpdk_update_link_state (xd, now);
1403 * check each time through the loop in case intervals are changed
1405 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1406 dm->link_state_poll_interval : dm->stat_poll_interval;
1408 vlib_process_wait_for_event_or_clock (vm, min_wait);
1410 if (dm->admin_up_down_in_progress)
1411 /* skip the poll if an admin up down is in progress (on any interface) */
1414 vec_foreach (xd, dm->devices)
1416 f64 now = vlib_time_now (vm);
1417 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1418 dpdk_update_counters (xd, now);
1419 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1420 dpdk_update_link_state (xd, now);
1429 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1430 .function = dpdk_process,
1431 .type = VLIB_NODE_TYPE_PROCESS,
1432 .name = "dpdk-process",
1433 .process_log2_n_stack_bytes = 17,
1437 static clib_error_t *
1438 dpdk_init (vlib_main_t * vm)
1440 dpdk_main_t *dm = &dpdk_main;
1441 clib_error_t *error = 0;
1443 /* verify that structs are cacheline aligned */
1444 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1445 "Cache line marker must be 1st element in dpdk_device_t");
1446 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1447 CLIB_CACHE_LINE_BYTES,
1448 "Data in cache line 0 is bigger than cache line size");
1449 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1450 "Cache line marker must be 1st element in frame_queue_trace_t");
1452 dpdk_cli_reference ();
1454 dm->conf = &dpdk_config_main;
1456 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1458 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1459 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1461 dm->log_default = vlib_log_register_class ("dpdk", 0);
1462 dm->log_cryptodev = vlib_log_register_class ("dpdk", "cryptodev");
1467 VLIB_INIT_FUNCTION (dpdk_init);
1469 static clib_error_t *
1470 dpdk_worker_thread_init (vlib_main_t *vm)
1472 if (rte_thread_register () < 0)
1473 clib_panic ("dpdk: cannot register thread %u - %s", vm->thread_index,
1474 rte_strerror (rte_errno));
1478 VLIB_WORKER_INIT_FUNCTION (dpdk_worker_thread_init);