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>
21 #include <vnet/ethernet/ethernet.h>
22 #include <dpdk/device/dpdk.h>
23 #include <vlib/unix/physmem.h>
24 #include <vlib/pci/pci.h>
30 #include <sys/mount.h>
34 #include <dpdk/device/dpdk_priv.h>
36 dpdk_main_t dpdk_main;
38 #define LINK_STATE_ELOGS 0
40 #define DEFAULT_HUGE_DIR "/run/vpp/hugepages"
41 #define VPP_RUN_DIR "/run/vpp"
43 /* Port configuration, mildly modified Intel app values */
45 static struct rte_eth_conf port_conf_template = {
48 .header_split = 0, /**< Header Split disabled */
49 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
50 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
51 .hw_strip_crc = 0, /**< CRC stripped by hardware */
54 .mq_mode = ETH_MQ_TX_NONE,
58 static dpdk_port_type_t
59 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
62 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
63 return VNET_DPDK_PORT_TYPE_ETH_100G;
64 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
65 return VNET_DPDK_PORT_TYPE_ETH_40G;
66 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
67 return VNET_DPDK_PORT_TYPE_ETH_25G;
68 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
69 return VNET_DPDK_PORT_TYPE_ETH_10G;
70 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
71 return VNET_DPDK_PORT_TYPE_ETH_1G;
73 return VNET_DPDK_PORT_TYPE_UNKNOWN;
78 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
80 dpdk_main_t *dm = &dpdk_main;
81 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
84 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
86 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
88 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
89 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
91 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
93 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
95 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
96 rte_eth_promiscuous_enable (xd->device_index);
98 rte_eth_promiscuous_disable (xd->device_index);
101 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
105 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
107 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
108 dpdk_device_stop (xd);
110 rv = rte_eth_dev_configure
111 (xd->device_index, xd->rx_q_used, xd->tx_q_used, &xd->port_conf);
114 vlib_cli_output (vlib_get_main (),
115 "rte_eth_dev_configure[%d]: err %d",
116 xd->device_index, rv);
118 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
120 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
123 error = dpdk_device_start (xd);
124 clib_error_report (error);
132 dpdk_device_lock_init (dpdk_device_t * xd)
135 vec_validate (xd->lockp, xd->tx_q_used - 1);
136 for (q = 0; q < xd->tx_q_used; q++)
138 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
139 CLIB_CACHE_LINE_BYTES);
140 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
144 static clib_error_t *
145 dpdk_lib_init (dpdk_main_t * dm)
151 vlib_main_t *vm = vlib_get_main ();
152 vlib_thread_main_t *tm = vlib_get_thread_main ();
153 vnet_device_main_t *vdm = &vnet_device_main;
154 vnet_sw_interface_t *sw;
155 vnet_hw_interface_t *hi;
157 vlib_pci_addr_t last_pci_addr;
158 u32 last_pci_addr_port = 0;
159 vlib_thread_registration_t *tr_hqos;
162 u32 next_hqos_cpu = 0;
163 u8 af_packet_port_id = 0;
164 u8 bond_ether_port_id = 0;
165 last_pci_addr.as_u32 = ~0;
167 dm->hqos_cpu_first_index = 0;
168 dm->hqos_cpu_count = 0;
170 /* find out which cpus will be used for I/O TX */
171 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
172 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
174 if (tr_hqos && tr_hqos->count > 0)
176 dm->hqos_cpu_first_index = tr_hqos->first_index;
177 dm->hqos_cpu_count = tr_hqos->count;
180 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
181 CLIB_CACHE_LINE_BYTES);
183 nports = rte_eth_dev_count ();
186 clib_warning ("DPDK drivers found no ports...");
190 clib_warning ("DPDK drivers found %d ports...", nports);
193 * All buffers are all allocated from the same rte_mempool.
194 * Thus they all have the same number of data bytes.
196 dm->vlib_buffer_free_list_index =
197 vlib_buffer_get_or_create_free_list (vm,
198 VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES,
201 if (dm->conf->enable_tcp_udp_checksum)
202 dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
203 | IP_BUFFER_L4_CHECKSUM_COMPUTED);
205 /* vlib_buffer_t template */
206 vec_validate_aligned (dm->buffer_templates, tm->n_vlib_mains - 1,
207 CLIB_CACHE_LINE_BYTES);
208 for (i = 0; i < tm->n_vlib_mains; i++)
210 vlib_buffer_free_list_t *fl;
211 vlib_buffer_t *bt = vec_elt_at_index (dm->buffer_templates, i);
212 fl = vlib_buffer_get_free_list (vm,
213 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
214 vlib_buffer_init_for_free_list (bt, fl);
215 bt->flags = dm->buffer_flags_template;
216 bt->current_data = -RTE_PKTMBUF_HEADROOM;
217 vnet_buffer (bt)->sw_if_index[VLIB_TX] = (u32) ~ 0;
220 for (i = 0; i < nports; i++)
225 struct rte_eth_dev_info dev_info;
227 struct rte_eth_link l;
228 dpdk_device_config_t *devconf = 0;
229 vlib_pci_addr_t pci_addr;
232 rte_eth_dev_info_get (i, &dev_info);
233 if (dev_info.pci_dev) /* bonded interface has no pci info */
235 pci_addr.domain = dev_info.pci_dev->addr.domain;
236 pci_addr.bus = dev_info.pci_dev->addr.bus;
237 pci_addr.slot = dev_info.pci_dev->addr.devid;
238 pci_addr.function = dev_info.pci_dev->addr.function;
240 hash_get (dm->conf->device_config_index_by_pci_addr,
245 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
247 devconf = &dm->conf->default_devconf;
249 /* Create vnet interface */
250 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
251 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
252 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
253 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
255 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
256 if (dev_info.pci_dev)
258 struct rte_eth_dev_info di = { 0 };
259 rte_eth_dev_info_get (i + 1, &di);
260 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
261 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
262 sizeof (struct rte_pci_addr)) == 0)
264 xd->interface_name_suffix = format (0, "0");
265 last_pci_addr.as_u32 = pci_addr.as_u32;
266 last_pci_addr_port = i;
268 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
270 xd->interface_name_suffix =
271 format (0, "%u", i - last_pci_addr_port);
275 last_pci_addr.as_u32 = ~0;
279 last_pci_addr.as_u32 = ~0;
281 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
282 sizeof (struct rte_eth_txconf));
283 if (dm->conf->no_multi_seg)
285 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
286 port_conf_template.rxmode.jumbo_frame = 0;
287 port_conf_template.rxmode.enable_scatter = 0;
291 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
292 port_conf_template.rxmode.jumbo_frame = 1;
293 port_conf_template.rxmode.enable_scatter = 1;
294 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
297 clib_memcpy (&xd->port_conf, &port_conf_template,
298 sizeof (struct rte_eth_conf));
300 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
302 if (devconf->num_tx_queues > 0
303 && devconf->num_tx_queues < xd->tx_q_used)
304 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
306 if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
311 if (devconf->num_rx_queues > 1
312 && dev_info.max_rx_queues >= devconf->num_rx_queues)
314 xd->rx_q_used = devconf->num_rx_queues;
315 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
316 if (devconf->rss_fn == 0)
317 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
318 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
320 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
325 xd->flags |= DPDK_DEVICE_FLAG_PMD;
327 /* workaround for drivers not setting driver_name */
328 if ((!dev_info.driver_name) && (dev_info.pci_dev))
329 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
331 ASSERT (dev_info.driver_name);
337 #define _(s,f) else if (dev_info.driver_name && \
338 !strcmp(dev_info.driver_name, s)) \
339 xd->pmd = VNET_DPDK_PMD_##f;
345 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
347 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
348 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
349 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
353 /* Drivers with valid speed_capa set */
354 case VNET_DPDK_PMD_E1000EM:
355 case VNET_DPDK_PMD_IGB:
356 case VNET_DPDK_PMD_IXGBE:
357 case VNET_DPDK_PMD_I40E:
358 case VNET_DPDK_PMD_CXGBE:
359 case VNET_DPDK_PMD_MLX4:
360 case VNET_DPDK_PMD_MLX5:
361 xd->port_type = port_type_from_speed_capa (&dev_info);
365 case VNET_DPDK_PMD_IGBVF:
366 case VNET_DPDK_PMD_IXGBEVF:
367 case VNET_DPDK_PMD_I40EVF:
368 case VNET_DPDK_PMD_THUNDERX:
369 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
372 case VNET_DPDK_PMD_DPAA2:
373 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
377 case VNET_DPDK_PMD_ENIC:
378 rte_eth_link_get_nowait (i, &l);
379 if (l.link_speed == 40000)
380 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
382 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
385 /* Intel Red Rock Canyon */
386 case VNET_DPDK_PMD_FM10K:
387 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
391 case VNET_DPDK_PMD_VIRTIO:
392 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
393 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
394 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
398 case VNET_DPDK_PMD_VMXNET3:
399 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
400 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
403 case VNET_DPDK_PMD_AF_PACKET:
404 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
405 xd->port_id = af_packet_port_id++;
408 case VNET_DPDK_PMD_BOND:
409 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
410 xd->port_id = bond_ether_port_id++;
414 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
417 if (devconf->num_rx_desc)
418 xd->nb_rx_desc = devconf->num_rx_desc;
420 if (devconf->num_tx_desc)
421 xd->nb_tx_desc = devconf->num_tx_desc;
425 * Ensure default mtu is not > the mtu read from the hardware.
426 * Otherwise rte_eth_dev_configure() will fail and the port will
429 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
432 * This device does not support the platforms's max frame
433 * size. Use it's advertised mru instead.
435 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
439 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
442 * Some platforms do not account for Ethernet FCS (4 bytes) in
443 * MTU calculations. To interop with them increase mru but only
444 * if the device's settings can support it.
446 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
447 xd->port_conf.rxmode.hw_strip_crc)
450 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
451 * stripped by h/w and so will not consume any buffer memory.
453 xd->port_conf.rxmode.max_rx_pkt_len += 4;
457 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
459 f64 now = vlib_time_now (vm);
461 rnd = (u32) (now * 1e6);
462 rnd = random_u32 (&rnd);
463 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
468 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
470 if (xd->tx_q_used < tm->n_vlib_mains)
471 dpdk_device_lock_init (xd);
473 xd->device_index = xd - dm->devices;
474 ASSERT (i == xd->device_index);
475 xd->per_interface_next_index = ~0;
477 /* assign interface to input thread */
478 dpdk_device_and_queue_t *dq;
481 if (devconf->hqos_enabled)
483 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
485 if (devconf->hqos.hqos_thread_valid)
487 int cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
489 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
490 return clib_error_return (0, "invalid HQoS thread index");
492 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
493 dq->device = xd->device_index;
498 int cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
500 if (dm->hqos_cpu_count == 0)
501 return clib_error_return (0, "no HQoS threads available");
503 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
504 dq->device = xd->device_index;
508 if (next_hqos_cpu == dm->hqos_cpu_count)
511 devconf->hqos.hqos_thread_valid = 1;
512 devconf->hqos.hqos_thread = cpu;
516 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
517 CLIB_CACHE_LINE_BYTES);
518 for (j = 0; j < tm->n_vlib_mains; j++)
520 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
521 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
522 vec_reset_length (xd->tx_vectors[j]);
525 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
526 CLIB_CACHE_LINE_BYTES);
527 for (j = 0; j < xd->rx_q_used; j++)
529 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
530 CLIB_CACHE_LINE_BYTES);
531 vec_reset_length (xd->rx_vectors[j]);
534 vec_validate_aligned (xd->d_trace_buffers, tm->n_vlib_mains,
535 CLIB_CACHE_LINE_BYTES);
538 /* count the number of descriptors used for this device */
539 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
541 error = ethernet_register_interface
542 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
543 /* ethernet address */ addr,
544 &xd->hw_if_index, dpdk_flag_change);
548 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
549 xd->vlib_sw_if_index = sw->sw_if_index;
550 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
551 dpdk_input_node.index);
553 if (devconf->workers)
558 clib_bitmap_foreach (i, devconf->workers, ({
559 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
560 vdm->first_worker_thread_index + i);
565 for (q = 0; q < xd->rx_q_used; q++)
567 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
571 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
573 rv = dpdk_device_setup (xd);
578 if (devconf->hqos_enabled)
580 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
586 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
587 * specified otherwise in the startup config.
588 * For other NICs default to VLAN strip disabled, unless specified
589 * otherwis in the startup config.
591 if (xd->pmd == VNET_DPDK_PMD_ENIC)
593 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
594 vlan_strip = 1; /* remove vlan tag from VIC port by default */
596 clib_warning ("VLAN strip disabled for interface\n");
598 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
604 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
605 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
606 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
607 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
608 clib_warning ("VLAN strip enabled for interface\n");
610 clib_warning ("VLAN strip cannot be supported by interface\n");
613 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
614 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
616 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
619 if (nb_desc > dm->conf->num_mbufs)
620 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
621 dm->conf->num_mbufs, nb_desc);
627 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
629 vlib_pci_main_t *pm = &pci_main;
631 vlib_pci_device_t *d;
633 int num_whitelisted = vec_len (conf->dev_confs);
636 pool_foreach (d, pm->pci_devs, ({
637 dpdk_device_config_t * devconf = 0;
638 vec_reset_length (pci_addr);
639 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
641 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
646 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
651 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
655 if (d->vendor_id == 0x1af4 && d->device_id == 0x1000)
658 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
660 /* all Intel network devices */
661 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
663 /* all Intel QAT devices VFs */
664 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
665 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
668 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
671 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
675 clib_warning ("Unsupported PCI device 0x%04x:0x%04x found "
676 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
681 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
687 pool_get (conf->dev_confs, devconf);
688 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
689 devconf - conf->dev_confs);
690 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
692 devconf->is_blacklisted = 1;
693 clib_error_report (error);
700 static clib_error_t *
701 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
702 unformat_input_t * input, u8 is_default)
704 clib_error_t *error = 0;
706 dpdk_device_config_t *devconf;
707 unformat_input_t sub_input;
711 devconf = &conf->default_devconf;
715 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
719 pool_get (conf->dev_confs, devconf);
720 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
721 devconf - conf->dev_confs);
724 return clib_error_return (0,
725 "duplicate configuration for PCI address %U",
726 format_vlib_pci_addr, &pci_addr);
729 devconf->pci_addr.as_u32 = pci_addr.as_u32;
730 devconf->hqos_enabled = 0;
731 dpdk_device_config_hqos_default (&devconf->hqos);
736 unformat_skip_white_space (input);
737 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
739 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
741 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
743 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
745 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
747 else if (unformat (input, "workers %U", unformat_bitmap_list,
752 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
754 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
758 else if (unformat (input, "vlan-strip-offload off"))
759 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
760 else if (unformat (input, "vlan-strip-offload on"))
761 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
764 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
766 devconf->hqos_enabled = 1;
767 error = unformat_hqos (&sub_input, &devconf->hqos);
771 else if (unformat (input, "hqos"))
773 devconf->hqos_enabled = 1;
777 error = clib_error_return (0, "unknown input `%U'",
778 format_unformat_error, input);
786 if (devconf->workers && devconf->num_rx_queues == 0)
787 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
788 else if (devconf->workers &&
789 clib_bitmap_count_set_bits (devconf->workers) !=
790 devconf->num_rx_queues)
792 clib_error_return (0,
793 "%U: number of worker threadds must be "
794 "equal to number of rx queues", format_vlib_pci_addr,
800 static clib_error_t *
801 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
803 clib_error_t *error = 0;
804 dpdk_main_t *dm = &dpdk_main;
805 dpdk_config_main_t *conf = &dpdk_config_main;
806 vlib_thread_main_t *tm = vlib_get_thread_main ();
807 dpdk_device_config_t *devconf;
808 vlib_pci_addr_t pci_addr;
809 unformat_input_t sub_input;
811 u8 *rte_cmd = 0, *ethname = 0;
814 int num_whitelisted = 0;
821 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
823 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
826 if (unformat (input, "no-hugetlb"))
828 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
832 else if (unformat (input, "enable-tcp-udp-checksum"))
833 conf->enable_tcp_udp_checksum = 1;
835 else if (unformat (input, "decimal-interface-names"))
836 conf->interface_name_format_decimal = 1;
838 else if (unformat (input, "no-multi-seg"))
839 conf->no_multi_seg = 1;
841 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
845 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
853 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
854 unformat_vlib_cli_sub_input, &sub_input))
856 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
863 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
865 error = dpdk_device_config (conf, pci_addr, 0, 0);
872 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
874 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
876 else if (unformat (input, "socket-mem %s", &socket_mem))
878 else if (unformat (input, "no-pci"))
881 tmp = format (0, "--no-pci%c", 0);
882 vec_add1 (conf->eal_init_args, tmp);
884 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
888 else if (unformat(input, #a)) \
890 tmp = format (0, "--%s%c", #a, 0); \
891 vec_add1 (conf->eal_init_args, tmp); \
893 foreach_eal_double_hyphen_predicate_arg
896 else if (unformat(input, #a " %s", &s)) \
898 if (!strncmp(#a, "huge-dir", 8)) \
900 else if (!strncmp(#a, "file-prefix", 11)) \
902 tmp = format (0, "--%s%c", #a, 0); \
903 vec_add1 (conf->eal_init_args, tmp); \
905 if (!strncmp(#a, "vdev", 4)) \
906 if (strstr((char*)s, "af_packet")) \
907 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
908 vec_add1 (conf->eal_init_args, s); \
910 foreach_eal_double_hyphen_arg
913 else if (unformat(input, #a " %s", &s)) \
915 tmp = format (0, "-%s%c", #b, 0); \
916 vec_add1 (conf->eal_init_args, tmp); \
918 vec_add1 (conf->eal_init_args, s); \
920 foreach_eal_single_hyphen_arg
923 else if (unformat(input, #a " %s", &s)) \
925 tmp = format (0, "-%s%c", #b, 0); \
926 vec_add1 (conf->eal_init_args, tmp); \
928 vec_add1 (conf->eal_init_args, s); \
929 conf->a##_set_manually = 1; \
931 foreach_eal_single_hyphen_mandatory_arg
933 else if (unformat (input, "default"))
936 else if (unformat_skip_white_space (input))
940 error = clib_error_return (0, "unknown input `%U'",
941 format_unformat_error, input);
946 if (!conf->uio_driver_name)
947 conf->uio_driver_name = format (0, "uio_pci_generic%c", 0);
950 * Use 1G huge pages if available.
952 if (!no_huge && !huge_dir)
954 u32 x, *mem_by_socket = 0;
961 umount (DEFAULT_HUGE_DIR);
963 /* Process "socket-mem" parameter value */
964 if (vec_len (socket_mem))
967 unformat_init_vector (&in, socket_mem);
968 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
970 if (unformat (&in, "%u,", &x))
972 else if (unformat (&in, "%u", &x))
974 else if (unformat (&in, ","))
979 vec_add1 (mem_by_socket, x);
984 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
991 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
993 vec_validate(mem_by_socket, c);
994 mem_by_socket[c] = 256; /* default per-socket mem */
1000 /* check if available enough 1GB pages for each socket */
1002 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1004 int pages_avail, page_size, mem;
1006 vec_validate(mem_by_socket, c);
1007 mem = mem_by_socket[c];
1010 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1012 if (pages_avail < 0 || page_size * pages_avail < mem)
1016 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1018 if (pages_avail < 0 || page_size * pages_avail < mem)
1023 if (mem_by_socket == 0)
1025 error = clib_error_return (0, "mem_by_socket NULL");
1028 _vec_len (mem_by_socket) = c + 1;
1030 /* regenerate socket_mem string */
1031 vec_foreach_index (x, mem_by_socket)
1032 socket_mem = format (socket_mem, "%s%u",
1033 socket_mem ? "," : "", mem_by_socket[x]);
1034 socket_mem = format (socket_mem, "%c", 0);
1036 vec_free (mem_by_socket);
1038 rv = mkdir (VPP_RUN_DIR, 0755);
1039 if (rv && errno != EEXIST)
1041 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1042 VPP_RUN_DIR, errno);
1046 rv = mkdir (DEFAULT_HUGE_DIR, 0755);
1047 if (rv && errno != EEXIST)
1049 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1050 DEFAULT_HUGE_DIR, errno);
1054 if (use_1g && !(less_than_1g && use_2m))
1057 mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1061 rv = mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1065 return clib_error_return (0, "not enough free huge pages");
1070 error = clib_error_return (0, "mount failed %d", errno);
1074 tmp = format (0, "--huge-dir%c", 0);
1075 vec_add1 (conf->eal_init_args, tmp);
1076 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1077 vec_add1 (conf->eal_init_args, tmp);
1080 tmp = format (0, "--file-prefix%c", 0);
1081 vec_add1 (conf->eal_init_args, tmp);
1082 tmp = format (0, "vpp%c", 0);
1083 vec_add1 (conf->eal_init_args, tmp);
1093 /* I'll bet that -c and -n must be the first and second args... */
1094 if (!conf->coremask_set_manually)
1096 vlib_thread_registration_t *tr;
1097 uword *coremask = 0;
1100 /* main thread core */
1101 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1103 for (i = 0; i < vec_len (tm->registrations); i++)
1105 tr = tm->registrations[i];
1106 coremask = clib_bitmap_or (coremask, tr->coremask);
1109 vec_insert (conf->eal_init_args, 2, 1);
1110 conf->eal_init_args[1] = (u8 *) "-c";
1111 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1112 conf->eal_init_args[2] = tmp;
1113 clib_bitmap_free (coremask);
1116 if (!conf->nchannels_set_manually)
1118 vec_insert (conf->eal_init_args, 2, 3);
1119 conf->eal_init_args[3] = (u8 *) "-n";
1120 tmp = format (0, "%d", conf->nchannels);
1121 conf->eal_init_args[4] = tmp;
1124 if (no_pci == 0 && geteuid () == 0)
1125 dpdk_bind_devices_to_uio (conf);
1128 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1129 devconf->x = conf->default_devconf.x ;
1132 pool_foreach (devconf, conf->dev_confs, ({
1134 /* default per-device config items */
1135 foreach_dpdk_device_config_item
1137 /* add DPDK EAL whitelist/blacklist entry */
1138 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1140 tmp = format (0, "-w%c", 0);
1141 vec_add1 (conf->eal_init_args, tmp);
1142 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1143 vec_add1 (conf->eal_init_args, tmp);
1145 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1147 tmp = format (0, "-b%c", 0);
1148 vec_add1 (conf->eal_init_args, tmp);
1149 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1150 vec_add1 (conf->eal_init_args, tmp);
1157 /* set master-lcore */
1158 tmp = format (0, "--master-lcore%c", 0);
1159 vec_add1 (conf->eal_init_args, tmp);
1160 tmp = format (0, "%u%c", tm->main_lcore, 0);
1161 vec_add1 (conf->eal_init_args, tmp);
1163 /* set socket-mem */
1164 tmp = format (0, "--socket-mem%c", 0);
1165 vec_add1 (conf->eal_init_args, tmp);
1166 tmp = format (0, "%s%c", socket_mem, 0);
1167 vec_add1 (conf->eal_init_args, tmp);
1169 /* NULL terminate the "argv" vector, in case of stupidity */
1170 vec_add1 (conf->eal_init_args, 0);
1171 _vec_len (conf->eal_init_args) -= 1;
1173 /* Set up DPDK eal and packet mbuf pool early. */
1175 log_level = (CLIB_DEBUG > 0) ? RTE_LOG_DEBUG : RTE_LOG_NOTICE;
1177 rte_set_log_level (log_level);
1179 vm = vlib_get_main ();
1181 /* make copy of args as rte_eal_init tends to mess up with arg array */
1182 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1183 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1184 conf->eal_init_args[i]);
1187 rte_eal_init (vec_len (conf->eal_init_args),
1188 (char **) conf->eal_init_args);
1190 /* lazy umount hugepages */
1191 umount2 (DEFAULT_HUGE_DIR, MNT_DETACH);
1194 return clib_error_return (0, "rte_eal_init returned %d", ret);
1196 /* Dump the physical memory layout prior to creating the mbuf_pool */
1197 fprintf (stdout, "DPDK physical memory layout:\n");
1198 rte_dump_physmem_layout (stdout);
1200 /* main thread 1st */
1201 error = vlib_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1205 for (i = 0; i < RTE_MAX_LCORE; i++)
1207 error = vlib_buffer_pool_create (vm, conf->num_mbufs,
1208 rte_lcore_to_socket_id (i));
1217 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1220 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1222 vnet_main_t *vnm = vnet_get_main ();
1223 struct rte_eth_link prev_link = xd->link;
1225 u8 hw_flags_chg = 0;
1227 /* only update link state for PMD interfaces */
1228 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1231 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1232 memset (&xd->link, 0, sizeof (xd->link));
1233 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1235 if (LINK_STATE_ELOGS)
1237 vlib_main_t *vm = vlib_get_main ();
1238 ELOG_TYPE_DECLARE (e) =
1241 "update-link-state: sw_if_index %d, admin_up %d,"
1242 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1251 ed = ELOG_DATA (&vm->elog_main, e);
1252 ed->sw_if_index = xd->vlib_sw_if_index;
1253 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1254 ed->old_link_state = (u8)
1255 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1256 ed->new_link_state = (u8) xd->link.link_status;
1259 if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) &&
1260 ((xd->link.link_status != 0) ^
1261 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1264 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1267 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1270 switch (xd->link.link_duplex)
1272 case ETH_LINK_HALF_DUPLEX:
1273 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1275 case ETH_LINK_FULL_DUPLEX:
1276 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1282 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1285 switch (xd->link.link_speed)
1287 case ETH_SPEED_NUM_10M:
1288 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1290 case ETH_SPEED_NUM_100M:
1291 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1293 case ETH_SPEED_NUM_1G:
1294 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1296 case ETH_SPEED_NUM_10G:
1297 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1299 case ETH_SPEED_NUM_40G:
1300 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1305 clib_warning ("unknown link speed %d", xd->link.link_speed);
1311 if (LINK_STATE_ELOGS)
1313 vlib_main_t *vm = vlib_get_main ();
1315 ELOG_TYPE_DECLARE (e) =
1318 "update-link-state: sw_if_index %d, new flags %d",.format_args
1326 ed = ELOG_DATA (&vm->elog_main, e);
1327 ed->sw_if_index = xd->vlib_sw_if_index;
1328 ed->flags = hw_flags;
1330 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1335 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1337 clib_error_t *error;
1338 vnet_main_t *vnm = vnet_get_main ();
1339 dpdk_main_t *dm = &dpdk_main;
1340 ethernet_main_t *em = ðernet_main;
1342 vlib_thread_main_t *tm = vlib_get_thread_main ();
1345 error = dpdk_lib_init (dm);
1348 clib_error_report (error);
1350 tm->worker_thread_release = 1;
1352 f64 now = vlib_time_now (vm);
1353 vec_foreach (xd, dm->devices)
1355 dpdk_update_link_state (xd, now);
1360 * Extra set up for bond interfaces:
1361 * 1. Setup MACs for bond interfaces and their slave links which was set
1362 * in dpdk_device_setup() but needs to be done again here to take effect.
1363 * 2. Set up info for bond interface related CLI support.
1365 int nports = rte_eth_dev_count ();
1368 for (i = 0; i < nports; i++)
1370 xd = &dm->devices[i];
1371 ASSERT (i == xd->device_index);
1372 if (xd->pmd == VNET_DPDK_PMD_BOND)
1376 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1379 vnet_hw_interface_t *bhi;
1380 ethernet_interface_t *bei;
1383 /* Get MAC of 1st slave link */
1385 (slink[0], (struct ether_addr *) addr);
1387 /* Set MAC of bounded interface to that of 1st slave link */
1388 clib_warning ("Set MAC for bond dev# %d", i);
1389 rv = rte_eth_bond_mac_address_set
1390 (i, (struct ether_addr *) addr);
1392 clib_warning ("Set MAC addr failure rv=%d", rv);
1394 /* Populate MAC of bonded interface in VPP hw tables */
1395 bhi = vnet_get_hw_interface
1396 (vnm, dm->devices[i].hw_if_index);
1397 bei = pool_elt_at_index
1398 (em->interfaces, bhi->hw_instance);
1399 clib_memcpy (bhi->hw_address, addr, 6);
1400 clib_memcpy (bei->address, addr, 6);
1402 /* Init l3 packet size allowed on bonded interface */
1403 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1404 bhi->max_l3_packet_bytes[VLIB_RX] =
1405 bhi->max_l3_packet_bytes[VLIB_TX] =
1406 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1408 { /* for all slave links */
1409 int slave = slink[--nlink];
1410 dpdk_device_t *sdev = &dm->devices[slave];
1411 vnet_hw_interface_t *shi;
1412 vnet_sw_interface_t *ssi;
1413 ethernet_interface_t *sei;
1414 /* Add MAC to all slave links except the first one */
1417 clib_warning ("Add MAC for slave dev# %d", slave);
1418 rv = rte_eth_dev_mac_addr_add
1419 (slave, (struct ether_addr *) addr, 0);
1421 clib_warning ("Add MAC addr failure rv=%d", rv);
1423 /* Set slaves bitmap for bonded interface */
1424 bhi->bond_info = clib_bitmap_set
1425 (bhi->bond_info, sdev->hw_if_index, 1);
1426 /* Set slave link flags on slave interface */
1427 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1428 ssi = vnet_get_sw_interface
1429 (vnm, sdev->vlib_sw_if_index);
1430 sei = pool_elt_at_index
1431 (em->interfaces, shi->hw_instance);
1433 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1434 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1435 clib_memcpy (shi->hw_address, addr, 6);
1436 clib_memcpy (sei->address, addr, 6);
1438 /* Set l3 packet size allowed as the lowest of slave */
1439 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1440 shi->max_l3_packet_bytes[VLIB_RX])
1441 bhi->max_l3_packet_bytes[VLIB_RX] =
1442 bhi->max_l3_packet_bytes[VLIB_TX] =
1443 shi->max_l3_packet_bytes[VLIB_RX];
1445 /* Set max packet size allowed as the lowest of slave */
1446 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1447 bhi->max_packet_bytes = shi->max_packet_bytes;
1458 * check each time through the loop in case intervals are changed
1460 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1461 dm->link_state_poll_interval : dm->stat_poll_interval;
1463 vlib_process_wait_for_event_or_clock (vm, min_wait);
1465 if (dm->admin_up_down_in_progress)
1466 /* skip the poll if an admin up down is in progress (on any interface) */
1469 vec_foreach (xd, dm->devices)
1471 f64 now = vlib_time_now (vm);
1472 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1473 dpdk_update_counters (xd, now);
1474 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1475 dpdk_update_link_state (xd, now);
1484 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1485 .function = dpdk_process,
1486 .type = VLIB_NODE_TYPE_PROCESS,
1487 .name = "dpdk-process",
1488 .process_log2_n_stack_bytes = 17,
1492 static clib_error_t *
1493 dpdk_init (vlib_main_t * vm)
1495 dpdk_main_t *dm = &dpdk_main;
1497 clib_error_t *error = 0;
1498 vlib_thread_main_t *tm = vlib_get_thread_main ();
1500 /* verify that structs are cacheline aligned */
1501 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1502 "Cache line marker must be 1st element in dpdk_device_t");
1503 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1504 CLIB_CACHE_LINE_BYTES,
1505 "Data in cache line 0 is bigger than cache line size");
1506 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1507 "Cache line marker must be 1st element in frame_queue_trace_t");
1510 dm->vnet_main = vnet_get_main ();
1511 dm->conf = &dpdk_config_main;
1513 ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
1515 return clib_error_return (0, "ethernet-input node AWOL");
1517 dm->ethernet_input_node_index = ei->index;
1519 dm->conf->nchannels = 4;
1520 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1521 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1523 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1525 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1526 dm->buffer_flags_template =
1527 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1528 | IP_BUFFER_L4_CHECKSUM_COMPUTED | IP_BUFFER_L4_CHECKSUM_CORRECT);
1530 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1531 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1534 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1540 VLIB_INIT_FUNCTION (dpdk_init);
1544 * fd.io coding-style-patch-verification: ON
1547 * eval: (c-set-style "gnu")