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 (VPP_RUN_DIR "/hugepages")
42 /* Port configuration, mildly modified Intel app values */
44 static struct rte_eth_conf port_conf_template = {
47 .header_split = 0, /**< Header Split disabled */
48 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
49 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
50 .hw_strip_crc = 0, /**< CRC stripped by hardware */
53 .mq_mode = ETH_MQ_TX_NONE,
57 static dpdk_port_type_t
58 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
61 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
62 return VNET_DPDK_PORT_TYPE_ETH_100G;
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_10G)
70 return VNET_DPDK_PORT_TYPE_ETH_10G;
71 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
72 return VNET_DPDK_PORT_TYPE_ETH_1G;
74 return VNET_DPDK_PORT_TYPE_UNKNOWN;
79 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
81 dpdk_main_t *dm = &dpdk_main;
82 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
85 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
87 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
89 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
90 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
92 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
94 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
96 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
97 rte_eth_promiscuous_enable (xd->device_index);
99 rte_eth_promiscuous_disable (xd->device_index);
102 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
106 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
108 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
109 dpdk_device_stop (xd);
111 rv = rte_eth_dev_configure
112 (xd->device_index, xd->rx_q_used, xd->tx_q_used, &xd->port_conf);
115 vlib_cli_output (vlib_get_main (),
116 "rte_eth_dev_configure[%d]: err %d",
117 xd->device_index, rv);
119 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
121 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
122 dpdk_device_start (xd);
129 dpdk_device_lock_init (dpdk_device_t * xd)
132 vec_validate (xd->lockp, xd->tx_q_used - 1);
133 for (q = 0; q < xd->tx_q_used; q++)
135 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
136 CLIB_CACHE_LINE_BYTES);
137 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
141 static clib_error_t *
142 dpdk_lib_init (dpdk_main_t * dm)
148 vlib_main_t *vm = vlib_get_main ();
149 vlib_thread_main_t *tm = vlib_get_thread_main ();
150 vnet_device_main_t *vdm = &vnet_device_main;
151 vnet_sw_interface_t *sw;
152 vnet_hw_interface_t *hi;
154 vlib_pci_addr_t last_pci_addr;
155 u32 last_pci_addr_port = 0;
156 vlib_thread_registration_t *tr_hqos;
159 u32 next_hqos_cpu = 0;
160 u8 af_packet_port_id = 0;
161 u8 bond_ether_port_id = 0;
162 last_pci_addr.as_u32 = ~0;
164 dm->hqos_cpu_first_index = 0;
165 dm->hqos_cpu_count = 0;
167 /* find out which cpus will be used for I/O TX */
168 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
169 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
171 if (tr_hqos && tr_hqos->count > 0)
173 dm->hqos_cpu_first_index = tr_hqos->first_index;
174 dm->hqos_cpu_count = tr_hqos->count;
177 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
178 CLIB_CACHE_LINE_BYTES);
180 nports = rte_eth_dev_count ();
183 clib_warning ("DPDK drivers found no ports...");
187 clib_warning ("DPDK drivers found %d ports...", nports);
190 * All buffers are all allocated from the same rte_mempool.
191 * Thus they all have the same number of data bytes.
193 dm->vlib_buffer_free_list_index =
194 vlib_buffer_get_or_create_free_list (vm,
195 VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES,
198 if (dm->conf->enable_tcp_udp_checksum)
199 dm->buffer_flags_template &= ~(IP_BUFFER_L4_CHECKSUM_CORRECT
200 | IP_BUFFER_L4_CHECKSUM_COMPUTED);
202 /* vlib_buffer_t template */
203 vec_validate_aligned (dm->buffer_templates, tm->n_vlib_mains - 1,
204 CLIB_CACHE_LINE_BYTES);
205 for (i = 0; i < tm->n_vlib_mains; i++)
207 vlib_buffer_free_list_t *fl;
208 vlib_buffer_t *bt = vec_elt_at_index (dm->buffer_templates, i);
209 fl = vlib_buffer_get_free_list (vm,
210 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
211 vlib_buffer_init_for_free_list (bt, fl);
212 bt->flags = dm->buffer_flags_template;
213 bt->current_data = -RTE_PKTMBUF_HEADROOM;
214 vnet_buffer (bt)->sw_if_index[VLIB_TX] = (u32) ~ 0;
217 for (i = 0; i < nports; i++)
222 struct rte_eth_dev_info dev_info;
223 struct rte_eth_link l;
224 dpdk_device_config_t *devconf = 0;
225 vlib_pci_addr_t pci_addr;
228 rte_eth_dev_info_get (i, &dev_info);
229 if (dev_info.pci_dev) /* bonded interface has no pci info */
231 pci_addr.domain = dev_info.pci_dev->addr.domain;
232 pci_addr.bus = dev_info.pci_dev->addr.bus;
233 pci_addr.slot = dev_info.pci_dev->addr.devid;
234 pci_addr.function = dev_info.pci_dev->addr.function;
236 hash_get (dm->conf->device_config_index_by_pci_addr,
241 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
243 devconf = &dm->conf->default_devconf;
245 /* Create vnet interface */
246 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
247 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
248 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
249 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
251 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
252 if (dev_info.pci_dev)
254 struct rte_eth_dev_info di = { 0 };
255 rte_eth_dev_info_get (i + 1, &di);
256 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
257 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
258 sizeof (struct rte_pci_addr)) == 0)
260 xd->interface_name_suffix = format (0, "0");
261 last_pci_addr.as_u32 = pci_addr.as_u32;
262 last_pci_addr_port = i;
264 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
266 xd->interface_name_suffix =
267 format (0, "%u", i - last_pci_addr_port);
271 last_pci_addr.as_u32 = ~0;
275 last_pci_addr.as_u32 = ~0;
277 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
278 sizeof (struct rte_eth_txconf));
279 if (dm->conf->no_multi_seg)
281 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
282 port_conf_template.rxmode.jumbo_frame = 0;
283 port_conf_template.rxmode.enable_scatter = 0;
287 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
288 port_conf_template.rxmode.jumbo_frame = 1;
289 port_conf_template.rxmode.enable_scatter = 1;
290 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
293 clib_memcpy (&xd->port_conf, &port_conf_template,
294 sizeof (struct rte_eth_conf));
296 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
298 if (devconf->num_tx_queues > 0
299 && devconf->num_tx_queues < xd->tx_q_used)
300 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
302 if (devconf->num_rx_queues > 1 && dm->use_rss == 0)
307 if (devconf->num_rx_queues > 1
308 && dev_info.max_rx_queues >= devconf->num_rx_queues)
310 xd->rx_q_used = devconf->num_rx_queues;
311 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
312 if (devconf->rss_fn == 0)
313 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
314 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
316 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
321 xd->flags |= DPDK_DEVICE_FLAG_PMD;
323 /* workaround for drivers not setting driver_name */
324 if ((!dev_info.driver_name) && (dev_info.pci_dev))
325 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
327 ASSERT (dev_info.driver_name);
333 #define _(s,f) else if (dev_info.driver_name && \
334 !strcmp(dev_info.driver_name, s)) \
335 xd->pmd = VNET_DPDK_PMD_##f;
341 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
343 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
344 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
345 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
349 /* Drivers with valid speed_capa set */
350 case VNET_DPDK_PMD_E1000EM:
351 case VNET_DPDK_PMD_IGB:
352 case VNET_DPDK_PMD_IXGBE:
353 case VNET_DPDK_PMD_I40E:
354 case VNET_DPDK_PMD_CXGBE:
355 case VNET_DPDK_PMD_MLX4:
356 case VNET_DPDK_PMD_MLX5:
357 xd->port_type = port_type_from_speed_capa (&dev_info);
361 case VNET_DPDK_PMD_IGBVF:
362 case VNET_DPDK_PMD_IXGBEVF:
363 case VNET_DPDK_PMD_I40EVF:
364 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
365 xd->port_conf.rxmode.hw_strip_crc = 1;
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;
388 xd->port_conf.rxmode.hw_strip_crc = 1;
392 case VNET_DPDK_PMD_VIRTIO:
393 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
394 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
395 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
399 case VNET_DPDK_PMD_VMXNET3:
400 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
401 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
404 case VNET_DPDK_PMD_AF_PACKET:
405 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
406 xd->port_id = af_packet_port_id++;
409 case VNET_DPDK_PMD_BOND:
410 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
411 xd->port_id = bond_ether_port_id++;
414 case VNET_DPDK_PMD_VIRTIO_USER:
415 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
419 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
422 if (devconf->num_rx_desc)
423 xd->nb_rx_desc = devconf->num_rx_desc;
425 if (devconf->num_tx_desc)
426 xd->nb_tx_desc = devconf->num_tx_desc;
430 * Ensure default mtu is not > the mtu read from the hardware.
431 * Otherwise rte_eth_dev_configure() will fail and the port will
434 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
437 * This device does not support the platforms's max frame
438 * size. Use it's advertised mru instead.
440 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
444 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
447 * Some platforms do not account for Ethernet FCS (4 bytes) in
448 * MTU calculations. To interop with them increase mru but only
449 * if the device's settings can support it.
451 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
452 xd->port_conf.rxmode.hw_strip_crc)
455 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
456 * stripped by h/w and so will not consume any buffer memory.
458 xd->port_conf.rxmode.max_rx_pkt_len += 4;
462 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
464 f64 now = vlib_time_now (vm);
466 rnd = (u32) (now * 1e6);
467 rnd = random_u32 (&rnd);
468 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
473 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
475 if (xd->tx_q_used < tm->n_vlib_mains)
476 dpdk_device_lock_init (xd);
478 xd->device_index = xd - dm->devices;
479 ASSERT (i == xd->device_index);
480 xd->per_interface_next_index = ~0;
482 /* assign interface to input thread */
483 dpdk_device_and_queue_t *dq;
486 if (devconf->hqos_enabled)
488 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
490 if (devconf->hqos.hqos_thread_valid)
492 int cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
494 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
495 return clib_error_return (0, "invalid HQoS thread index");
497 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
498 dq->device = xd->device_index;
503 int cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
505 if (dm->hqos_cpu_count == 0)
506 return clib_error_return (0, "no HQoS threads available");
508 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
509 dq->device = xd->device_index;
513 if (next_hqos_cpu == dm->hqos_cpu_count)
516 devconf->hqos.hqos_thread_valid = 1;
517 devconf->hqos.hqos_thread = cpu;
521 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
522 CLIB_CACHE_LINE_BYTES);
523 for (j = 0; j < tm->n_vlib_mains; j++)
525 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
526 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
527 vec_reset_length (xd->tx_vectors[j]);
530 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
531 CLIB_CACHE_LINE_BYTES);
532 for (j = 0; j < xd->rx_q_used; j++)
534 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
535 CLIB_CACHE_LINE_BYTES);
536 vec_reset_length (xd->rx_vectors[j]);
539 vec_validate_aligned (xd->d_trace_buffers, tm->n_vlib_mains,
540 CLIB_CACHE_LINE_BYTES);
543 /* count the number of descriptors used for this device */
544 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
546 error = ethernet_register_interface
547 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
548 /* ethernet address */ addr,
549 &xd->hw_if_index, dpdk_flag_change);
553 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
554 xd->vlib_sw_if_index = sw->sw_if_index;
555 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
556 dpdk_input_node.index);
558 if (devconf->workers)
563 clib_bitmap_foreach (i, devconf->workers, ({
564 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
565 vdm->first_worker_thread_index + i);
570 for (q = 0; q < xd->rx_q_used; q++)
572 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
576 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
578 dpdk_device_setup (xd);
580 if (vec_len (xd->errors))
581 clib_warning ("setup failed for device %U. Errors:\n %U",
582 format_dpdk_device_name, i,
583 format_dpdk_device_errors, xd);
585 if (devconf->hqos_enabled)
588 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
594 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
595 * specified otherwise in the startup config.
596 * For other NICs default to VLAN strip disabled, unless specified
597 * otherwis in the startup config.
599 if (xd->pmd == VNET_DPDK_PMD_ENIC)
601 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
602 vlan_strip = 1; /* remove vlan tag from VIC port by default */
604 clib_warning ("VLAN strip disabled for interface\n");
606 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
612 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
613 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
614 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
615 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
616 clib_warning ("VLAN strip enabled for interface\n");
618 clib_warning ("VLAN strip cannot be supported by interface\n");
621 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
622 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
624 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
627 if (nb_desc > dm->conf->num_mbufs)
628 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
629 dm->conf->num_mbufs, nb_desc);
635 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
637 vlib_pci_main_t *pm = &pci_main;
639 vlib_pci_device_t *d;
641 int num_whitelisted = vec_len (conf->dev_confs);
644 pool_foreach (d, pm->pci_devs, ({
645 dpdk_device_config_t * devconf = 0;
646 vec_reset_length (pci_addr);
647 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
649 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
654 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
659 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
663 if (d->vendor_id == 0x1af4 && d->device_id == 0x1000)
666 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
668 /* all Intel network devices */
669 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
671 /* all Intel QAT devices VFs */
672 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
673 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
676 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
679 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
683 clib_warning ("Unsupported PCI device 0x%04x:0x%04x found "
684 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
689 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
695 pool_get (conf->dev_confs, devconf);
696 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
697 devconf - conf->dev_confs);
698 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
700 devconf->is_blacklisted = 1;
701 clib_error_report (error);
708 static clib_error_t *
709 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
710 unformat_input_t * input, u8 is_default)
712 clib_error_t *error = 0;
714 dpdk_device_config_t *devconf;
715 unformat_input_t sub_input;
719 devconf = &conf->default_devconf;
723 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
727 pool_get (conf->dev_confs, devconf);
728 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
729 devconf - conf->dev_confs);
732 return clib_error_return (0,
733 "duplicate configuration for PCI address %U",
734 format_vlib_pci_addr, &pci_addr);
737 devconf->pci_addr.as_u32 = pci_addr.as_u32;
738 devconf->hqos_enabled = 0;
739 dpdk_device_config_hqos_default (&devconf->hqos);
744 unformat_skip_white_space (input);
745 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
747 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
749 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
751 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
753 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
755 else if (unformat (input, "workers %U", unformat_bitmap_list,
760 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
762 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
766 else if (unformat (input, "vlan-strip-offload off"))
767 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
768 else if (unformat (input, "vlan-strip-offload on"))
769 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
772 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
774 devconf->hqos_enabled = 1;
775 error = unformat_hqos (&sub_input, &devconf->hqos);
779 else if (unformat (input, "hqos"))
781 devconf->hqos_enabled = 1;
785 error = clib_error_return (0, "unknown input `%U'",
786 format_unformat_error, input);
794 if (devconf->workers && devconf->num_rx_queues == 0)
795 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
796 else if (devconf->workers &&
797 clib_bitmap_count_set_bits (devconf->workers) !=
798 devconf->num_rx_queues)
800 clib_error_return (0,
801 "%U: number of worker threadds must be "
802 "equal to number of rx queues", format_vlib_pci_addr,
808 static clib_error_t *
809 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
811 clib_error_t *error = 0;
812 dpdk_main_t *dm = &dpdk_main;
813 dpdk_config_main_t *conf = &dpdk_config_main;
814 vlib_thread_main_t *tm = vlib_get_thread_main ();
815 dpdk_device_config_t *devconf;
816 vlib_pci_addr_t pci_addr;
817 unformat_input_t sub_input;
820 u8 *rte_cmd = 0, *ethname = 0;
823 int num_whitelisted = 0;
830 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
831 log_level = RTE_LOG_NOTICE;
833 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
836 if (unformat (input, "no-hugetlb"))
838 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
842 else if (unformat (input, "enable-tcp-udp-checksum"))
843 conf->enable_tcp_udp_checksum = 1;
845 else if (unformat (input, "decimal-interface-names"))
846 conf->interface_name_format_decimal = 1;
848 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
851 else if (unformat (input, "no-multi-seg"))
852 conf->no_multi_seg = 1;
854 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
858 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
866 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
867 unformat_vlib_cli_sub_input, &sub_input))
869 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
876 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
878 error = dpdk_device_config (conf, pci_addr, 0, 0);
885 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
887 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
889 else if (unformat (input, "socket-mem %s", &socket_mem))
891 else if (unformat (input, "no-pci"))
894 tmp = format (0, "--no-pci%c", 0);
895 vec_add1 (conf->eal_init_args, tmp);
897 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
901 else if (unformat(input, #a)) \
903 tmp = format (0, "--%s%c", #a, 0); \
904 vec_add1 (conf->eal_init_args, tmp); \
906 foreach_eal_double_hyphen_predicate_arg
909 else if (unformat(input, #a " %s", &s)) \
911 if (!strncmp(#a, "huge-dir", 8)) \
913 else if (!strncmp(#a, "file-prefix", 11)) \
915 tmp = format (0, "--%s%c", #a, 0); \
916 vec_add1 (conf->eal_init_args, tmp); \
918 if (!strncmp(#a, "vdev", 4)) \
919 if (strstr((char*)s, "af_packet")) \
920 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
921 vec_add1 (conf->eal_init_args, s); \
923 foreach_eal_double_hyphen_arg
926 else if (unformat(input, #a " %s", &s)) \
928 tmp = format (0, "-%s%c", #b, 0); \
929 vec_add1 (conf->eal_init_args, tmp); \
931 vec_add1 (conf->eal_init_args, s); \
933 foreach_eal_single_hyphen_arg
936 else if (unformat(input, #a " %s", &s)) \
938 tmp = format (0, "-%s%c", #b, 0); \
939 vec_add1 (conf->eal_init_args, tmp); \
941 vec_add1 (conf->eal_init_args, s); \
942 conf->a##_set_manually = 1; \
944 foreach_eal_single_hyphen_mandatory_arg
946 else if (unformat (input, "default"))
949 else if (unformat_skip_white_space (input))
953 error = clib_error_return (0, "unknown input `%U'",
954 format_unformat_error, input);
959 if (!conf->uio_driver_name)
960 conf->uio_driver_name = format (0, "uio_pci_generic%c", 0);
963 * Use 1G huge pages if available.
965 if (!no_huge && !huge_dir)
967 u32 x, *mem_by_socket = 0;
974 umount (DEFAULT_HUGE_DIR);
976 /* Process "socket-mem" parameter value */
977 if (vec_len (socket_mem))
980 unformat_init_vector (&in, socket_mem);
981 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
983 if (unformat (&in, "%u,", &x))
985 else if (unformat (&in, "%u", &x))
987 else if (unformat (&in, ","))
992 vec_add1 (mem_by_socket, x);
997 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1004 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1006 vec_validate(mem_by_socket, c);
1007 mem_by_socket[c] = 256; /* default per-socket mem */
1013 /* check if available enough 1GB pages for each socket */
1015 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1017 int pages_avail, page_size, mem;
1019 vec_validate(mem_by_socket, c);
1020 mem = mem_by_socket[c];
1023 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1025 if (pages_avail < 0 || page_size * pages_avail < mem)
1029 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1031 if (pages_avail < 0 || page_size * pages_avail < mem)
1036 if (mem_by_socket == 0)
1038 error = clib_error_return (0, "mem_by_socket NULL");
1041 _vec_len (mem_by_socket) = c + 1;
1043 /* regenerate socket_mem string */
1044 vec_foreach_index (x, mem_by_socket)
1045 socket_mem = format (socket_mem, "%s%u",
1046 socket_mem ? "," : "", mem_by_socket[x]);
1047 socket_mem = format (socket_mem, "%c", 0);
1049 vec_free (mem_by_socket);
1051 /* Make sure VPP_RUN_DIR exists */
1052 error = unix_make_vpp_run_dir ();
1056 rv = mkdir (DEFAULT_HUGE_DIR, 0755);
1057 if (rv && errno != EEXIST)
1059 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1060 DEFAULT_HUGE_DIR, errno);
1064 if (use_1g && !(less_than_1g && use_2m))
1067 mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1071 rv = mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1075 return clib_error_return (0, "not enough free huge pages");
1080 error = clib_error_return (0, "mount failed %d", errno);
1084 tmp = format (0, "--huge-dir%c", 0);
1085 vec_add1 (conf->eal_init_args, tmp);
1086 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1087 vec_add1 (conf->eal_init_args, tmp);
1090 tmp = format (0, "--file-prefix%c", 0);
1091 vec_add1 (conf->eal_init_args, tmp);
1092 tmp = format (0, "vpp%c", 0);
1093 vec_add1 (conf->eal_init_args, tmp);
1103 /* I'll bet that -c and -n must be the first and second args... */
1104 if (!conf->coremask_set_manually)
1106 vlib_thread_registration_t *tr;
1107 uword *coremask = 0;
1110 /* main thread core */
1111 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1113 for (i = 0; i < vec_len (tm->registrations); i++)
1115 tr = tm->registrations[i];
1116 coremask = clib_bitmap_or (coremask, tr->coremask);
1119 vec_insert (conf->eal_init_args, 2, 1);
1120 conf->eal_init_args[1] = (u8 *) "-c";
1121 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1122 conf->eal_init_args[2] = tmp;
1123 clib_bitmap_free (coremask);
1126 if (!conf->nchannels_set_manually)
1128 vec_insert (conf->eal_init_args, 2, 3);
1129 conf->eal_init_args[3] = (u8 *) "-n";
1130 tmp = format (0, "%d", conf->nchannels);
1131 conf->eal_init_args[4] = tmp;
1134 if (no_pci == 0 && geteuid () == 0)
1135 dpdk_bind_devices_to_uio (conf);
1138 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1139 devconf->x = conf->default_devconf.x ;
1142 pool_foreach (devconf, conf->dev_confs, ({
1144 /* default per-device config items */
1145 foreach_dpdk_device_config_item
1147 /* add DPDK EAL whitelist/blacklist entry */
1148 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1150 tmp = format (0, "-w%c", 0);
1151 vec_add1 (conf->eal_init_args, tmp);
1152 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1153 vec_add1 (conf->eal_init_args, tmp);
1155 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1157 tmp = format (0, "-b%c", 0);
1158 vec_add1 (conf->eal_init_args, tmp);
1159 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1160 vec_add1 (conf->eal_init_args, tmp);
1167 /* set master-lcore */
1168 tmp = format (0, "--master-lcore%c", 0);
1169 vec_add1 (conf->eal_init_args, tmp);
1170 tmp = format (0, "%u%c", tm->main_lcore, 0);
1171 vec_add1 (conf->eal_init_args, tmp);
1173 /* set socket-mem */
1174 tmp = format (0, "--socket-mem%c", 0);
1175 vec_add1 (conf->eal_init_args, tmp);
1176 tmp = format (0, "%s%c", socket_mem, 0);
1177 vec_add1 (conf->eal_init_args, tmp);
1179 /* NULL terminate the "argv" vector, in case of stupidity */
1180 vec_add1 (conf->eal_init_args, 0);
1181 _vec_len (conf->eal_init_args) -= 1;
1183 /* Set up DPDK eal and packet mbuf pool early. */
1185 #if RTE_VERSION >= RTE_VERSION_NUM(17, 5, 0, 0)
1186 rte_log_set_global_level (log_level);
1188 rte_set_log_level (log_level);
1191 vm = vlib_get_main ();
1193 /* make copy of args as rte_eal_init tends to mess up with arg array */
1194 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1195 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1196 conf->eal_init_args[i]);
1199 rte_eal_init (vec_len (conf->eal_init_args),
1200 (char **) conf->eal_init_args);
1202 /* lazy umount hugepages */
1203 umount2 (DEFAULT_HUGE_DIR, MNT_DETACH);
1206 return clib_error_return (0, "rte_eal_init returned %d", ret);
1208 /* Dump the physical memory layout prior to creating the mbuf_pool */
1209 fprintf (stdout, "DPDK physical memory layout:\n");
1210 rte_dump_physmem_layout (stdout);
1212 /* main thread 1st */
1213 error = vlib_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1217 for (i = 0; i < RTE_MAX_LCORE; i++)
1219 error = vlib_buffer_pool_create (vm, conf->num_mbufs,
1220 rte_lcore_to_socket_id (i));
1229 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1232 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1234 vnet_main_t *vnm = vnet_get_main ();
1235 struct rte_eth_link prev_link = xd->link;
1237 u8 hw_flags_chg = 0;
1239 /* only update link state for PMD interfaces */
1240 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1243 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1244 memset (&xd->link, 0, sizeof (xd->link));
1245 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1247 if (LINK_STATE_ELOGS)
1249 vlib_main_t *vm = vlib_get_main ();
1250 ELOG_TYPE_DECLARE (e) =
1253 "update-link-state: sw_if_index %d, admin_up %d,"
1254 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1263 ed = ELOG_DATA (&vm->elog_main, e);
1264 ed->sw_if_index = xd->vlib_sw_if_index;
1265 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1266 ed->old_link_state = (u8)
1267 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1268 ed->new_link_state = (u8) xd->link.link_status;
1271 if ((xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) &&
1272 ((xd->link.link_status != 0) ^
1273 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1276 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1279 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1282 switch (xd->link.link_duplex)
1284 case ETH_LINK_HALF_DUPLEX:
1285 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1287 case ETH_LINK_FULL_DUPLEX:
1288 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1294 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1297 switch (xd->link.link_speed)
1299 case ETH_SPEED_NUM_10M:
1300 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1302 case ETH_SPEED_NUM_100M:
1303 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1305 case ETH_SPEED_NUM_1G:
1306 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1308 case ETH_SPEED_NUM_10G:
1309 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1311 case ETH_SPEED_NUM_40G:
1312 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1317 clib_warning ("unknown link speed %d", xd->link.link_speed);
1323 if (LINK_STATE_ELOGS)
1325 vlib_main_t *vm = vlib_get_main ();
1327 ELOG_TYPE_DECLARE (e) =
1330 "update-link-state: sw_if_index %d, new flags %d",.format_args
1338 ed = ELOG_DATA (&vm->elog_main, e);
1339 ed->sw_if_index = xd->vlib_sw_if_index;
1340 ed->flags = hw_flags;
1342 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1347 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1349 clib_error_t *error;
1350 vnet_main_t *vnm = vnet_get_main ();
1351 dpdk_main_t *dm = &dpdk_main;
1352 ethernet_main_t *em = ðernet_main;
1354 vlib_thread_main_t *tm = vlib_get_thread_main ();
1357 error = dpdk_lib_init (dm);
1360 clib_error_report (error);
1362 tm->worker_thread_release = 1;
1364 f64 now = vlib_time_now (vm);
1365 vec_foreach (xd, dm->devices)
1367 dpdk_update_link_state (xd, now);
1372 * Extra set up for bond interfaces:
1373 * 1. Setup MACs for bond interfaces and their slave links which was set
1374 * in dpdk_device_setup() but needs to be done again here to take
1376 * 2. Set up info and register slave link state change callback handling.
1377 * 3. Set up info for bond interface related CLI support.
1379 int nports = rte_eth_dev_count ();
1382 for (i = 0; i < nports; i++)
1384 xd = &dm->devices[i];
1385 ASSERT (i == xd->device_index);
1386 if (xd->pmd == VNET_DPDK_PMD_BOND)
1390 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1393 vnet_hw_interface_t *bhi;
1394 ethernet_interface_t *bei;
1397 /* Get MAC of 1st slave link */
1399 (slink[0], (struct ether_addr *) addr);
1401 /* Set MAC of bounded interface to that of 1st slave link */
1402 clib_warning ("Set MAC for bond port %d BondEthernet%d",
1404 rv = rte_eth_bond_mac_address_set
1405 (i, (struct ether_addr *) addr);
1407 clib_warning ("Set MAC addr failure rv=%d", rv);
1409 /* Populate MAC of bonded interface in VPP hw tables */
1410 bhi = vnet_get_hw_interface
1411 (vnm, dm->devices[i].hw_if_index);
1412 bei = pool_elt_at_index
1413 (em->interfaces, bhi->hw_instance);
1414 clib_memcpy (bhi->hw_address, addr, 6);
1415 clib_memcpy (bei->address, addr, 6);
1417 /* Init l3 packet size allowed on bonded interface */
1418 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1419 bhi->max_l3_packet_bytes[VLIB_RX] =
1420 bhi->max_l3_packet_bytes[VLIB_TX] =
1421 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1423 { /* for all slave links */
1424 int slave = slink[--nlink];
1425 dpdk_device_t *sdev = &dm->devices[slave];
1426 vnet_hw_interface_t *shi;
1427 vnet_sw_interface_t *ssi;
1428 ethernet_interface_t *sei;
1429 /* Add MAC to all slave links except the first one */
1432 clib_warning ("Add MAC for slave port %d", slave);
1433 rv = rte_eth_dev_mac_addr_add
1434 (slave, (struct ether_addr *) addr, 0);
1436 clib_warning ("Add MAC addr failure rv=%d", rv);
1438 /* Setup slave link state change callback handling */
1439 rte_eth_dev_callback_register
1440 (slave, RTE_ETH_EVENT_INTR_LSC,
1441 dpdk_port_state_callback, NULL);
1442 dpdk_device_t *sxd = &dm->devices[slave];
1443 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1445 /* Set slaves bitmap for bonded interface */
1446 bhi->bond_info = clib_bitmap_set
1447 (bhi->bond_info, sdev->hw_if_index, 1);
1448 /* Set MACs and slave link flags on slave interface */
1449 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1450 ssi = vnet_get_sw_interface
1451 (vnm, sdev->vlib_sw_if_index);
1452 sei = pool_elt_at_index
1453 (em->interfaces, shi->hw_instance);
1454 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1455 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1456 clib_memcpy (shi->hw_address, addr, 6);
1457 clib_memcpy (sei->address, addr, 6);
1458 /* Set l3 packet size allowed as the lowest of slave */
1459 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1460 shi->max_l3_packet_bytes[VLIB_RX])
1461 bhi->max_l3_packet_bytes[VLIB_RX] =
1462 bhi->max_l3_packet_bytes[VLIB_TX] =
1463 shi->max_l3_packet_bytes[VLIB_RX];
1464 /* Set max packet size allowed as the lowest of slave */
1465 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1466 bhi->max_packet_bytes = shi->max_packet_bytes;
1477 * check each time through the loop in case intervals are changed
1479 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1480 dm->link_state_poll_interval : dm->stat_poll_interval;
1482 vlib_process_wait_for_event_or_clock (vm, min_wait);
1484 if (dm->admin_up_down_in_progress)
1485 /* skip the poll if an admin up down is in progress (on any interface) */
1488 vec_foreach (xd, dm->devices)
1490 f64 now = vlib_time_now (vm);
1491 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1492 dpdk_update_counters (xd, now);
1493 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1494 dpdk_update_link_state (xd, now);
1503 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1504 .function = dpdk_process,
1505 .type = VLIB_NODE_TYPE_PROCESS,
1506 .name = "dpdk-process",
1507 .process_log2_n_stack_bytes = 17,
1511 static clib_error_t *
1512 dpdk_init (vlib_main_t * vm)
1514 dpdk_main_t *dm = &dpdk_main;
1516 clib_error_t *error = 0;
1517 vlib_thread_main_t *tm = vlib_get_thread_main ();
1519 /* verify that structs are cacheline aligned */
1520 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1521 "Cache line marker must be 1st element in dpdk_device_t");
1522 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1523 CLIB_CACHE_LINE_BYTES,
1524 "Data in cache line 0 is bigger than cache line size");
1525 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1526 "Cache line marker must be 1st element in frame_queue_trace_t");
1529 dm->vnet_main = vnet_get_main ();
1530 dm->conf = &dpdk_config_main;
1532 ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
1534 return clib_error_return (0, "ethernet-input node AWOL");
1536 dm->ethernet_input_node_index = ei->index;
1538 dm->conf->nchannels = 4;
1539 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1540 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1542 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1544 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1545 dm->buffer_flags_template =
1546 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1547 | IP_BUFFER_L4_CHECKSUM_COMPUTED | IP_BUFFER_L4_CHECKSUM_CORRECT);
1549 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1550 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1553 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1559 VLIB_INIT_FUNCTION (dpdk_init);
1563 * fd.io coding-style-patch-verification: ON
1566 * eval: (c-set-style "gnu")