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 &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
200 | VNET_BUFFER_F_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 xd->port_type = port_type_from_speed_capa (&dev_info);
355 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
356 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
359 case VNET_DPDK_PMD_CXGBE:
360 case VNET_DPDK_PMD_MLX4:
361 case VNET_DPDK_PMD_MLX5:
362 xd->port_type = port_type_from_speed_capa (&dev_info);
366 case VNET_DPDK_PMD_IGBVF:
367 case VNET_DPDK_PMD_IXGBEVF:
368 case VNET_DPDK_PMD_I40EVF:
369 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
370 xd->port_conf.rxmode.hw_strip_crc = 1;
373 case VNET_DPDK_PMD_THUNDERX:
374 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
375 xd->port_conf.rxmode.hw_strip_crc = 1;
378 case VNET_DPDK_PMD_DPAA2:
379 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
383 case VNET_DPDK_PMD_ENIC:
384 rte_eth_link_get_nowait (i, &l);
385 if (l.link_speed == 40000)
386 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
388 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
391 /* Intel Red Rock Canyon */
392 case VNET_DPDK_PMD_FM10K:
393 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
394 xd->port_conf.rxmode.hw_strip_crc = 1;
398 case VNET_DPDK_PMD_VIRTIO:
399 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
400 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
401 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
405 case VNET_DPDK_PMD_VMXNET3:
406 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
407 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
410 case VNET_DPDK_PMD_AF_PACKET:
411 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
412 xd->port_id = af_packet_port_id++;
415 case VNET_DPDK_PMD_BOND:
416 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
417 xd->port_id = bond_ether_port_id++;
420 case VNET_DPDK_PMD_VIRTIO_USER:
421 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
425 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
428 if (devconf->num_rx_desc)
429 xd->nb_rx_desc = devconf->num_rx_desc;
431 if (devconf->num_tx_desc)
432 xd->nb_tx_desc = devconf->num_tx_desc;
436 * Ensure default mtu is not > the mtu read from the hardware.
437 * Otherwise rte_eth_dev_configure() will fail and the port will
440 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
443 * This device does not support the platforms's max frame
444 * size. Use it's advertised mru instead.
446 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
450 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
453 * Some platforms do not account for Ethernet FCS (4 bytes) in
454 * MTU calculations. To interop with them increase mru but only
455 * if the device's settings can support it.
457 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
458 xd->port_conf.rxmode.hw_strip_crc)
461 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
462 * stripped by h/w and so will not consume any buffer memory.
464 xd->port_conf.rxmode.max_rx_pkt_len += 4;
468 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
470 f64 now = vlib_time_now (vm);
472 rnd = (u32) (now * 1e6);
473 rnd = random_u32 (&rnd);
474 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
479 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
481 if (xd->tx_q_used < tm->n_vlib_mains)
482 dpdk_device_lock_init (xd);
484 xd->device_index = xd - dm->devices;
485 ASSERT (i == xd->device_index);
486 xd->per_interface_next_index = ~0;
488 /* assign interface to input thread */
489 dpdk_device_and_queue_t *dq;
492 if (devconf->hqos_enabled)
494 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
496 if (devconf->hqos.hqos_thread_valid)
498 int cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
500 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
501 return clib_error_return (0, "invalid HQoS thread index");
503 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
504 dq->device = xd->device_index;
509 int cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
511 if (dm->hqos_cpu_count == 0)
512 return clib_error_return (0, "no HQoS threads available");
514 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
515 dq->device = xd->device_index;
519 if (next_hqos_cpu == dm->hqos_cpu_count)
522 devconf->hqos.hqos_thread_valid = 1;
523 devconf->hqos.hqos_thread = cpu;
527 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
528 CLIB_CACHE_LINE_BYTES);
529 for (j = 0; j < tm->n_vlib_mains; j++)
531 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
532 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
533 vec_reset_length (xd->tx_vectors[j]);
536 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
537 CLIB_CACHE_LINE_BYTES);
538 for (j = 0; j < xd->rx_q_used; j++)
540 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
541 CLIB_CACHE_LINE_BYTES);
542 vec_reset_length (xd->rx_vectors[j]);
545 vec_validate_aligned (xd->d_trace_buffers, tm->n_vlib_mains,
546 CLIB_CACHE_LINE_BYTES);
549 /* count the number of descriptors used for this device */
550 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
552 error = ethernet_register_interface
553 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
554 /* ethernet address */ addr,
555 &xd->hw_if_index, dpdk_flag_change);
559 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
560 xd->vlib_sw_if_index = sw->sw_if_index;
561 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
562 dpdk_input_node.index);
564 if (devconf->workers)
569 clib_bitmap_foreach (i, devconf->workers, ({
570 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
571 vdm->first_worker_thread_index + i);
576 for (q = 0; q < xd->rx_q_used; q++)
578 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
582 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
584 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
585 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
587 dpdk_device_setup (xd);
589 if (vec_len (xd->errors))
590 clib_warning ("setup failed for device %U. Errors:\n %U",
591 format_dpdk_device_name, i,
592 format_dpdk_device_errors, xd);
594 if (devconf->hqos_enabled)
597 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
603 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
604 * specified otherwise in the startup config.
605 * For other NICs default to VLAN strip disabled, unless specified
606 * otherwis in the startup config.
608 if (xd->pmd == VNET_DPDK_PMD_ENIC)
610 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
611 vlan_strip = 1; /* remove vlan tag from VIC port by default */
613 clib_warning ("VLAN strip disabled for interface\n");
615 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
621 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
622 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
623 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
624 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
625 clib_warning ("VLAN strip enabled for interface\n");
627 clib_warning ("VLAN strip cannot be supported by interface\n");
630 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
631 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
633 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
636 if (nb_desc > dm->conf->num_mbufs)
637 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
638 dm->conf->num_mbufs, nb_desc);
644 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
646 vlib_pci_main_t *pm = &pci_main;
648 vlib_pci_device_t *d;
650 int num_whitelisted = vec_len (conf->dev_confs);
653 pool_foreach (d, pm->pci_devs, ({
654 dpdk_device_config_t * devconf = 0;
655 vec_reset_length (pci_addr);
656 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
658 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
663 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
668 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
672 if (d->vendor_id == 0x1af4 && d->device_id == 0x1000)
675 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
677 /* all Intel network devices */
678 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
680 /* all Intel QAT devices VFs */
681 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
682 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
685 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
688 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
692 clib_warning ("Unsupported PCI device 0x%04x:0x%04x found "
693 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
698 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
704 pool_get (conf->dev_confs, devconf);
705 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
706 devconf - conf->dev_confs);
707 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
709 devconf->is_blacklisted = 1;
710 clib_error_report (error);
717 static clib_error_t *
718 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
719 unformat_input_t * input, u8 is_default)
721 clib_error_t *error = 0;
723 dpdk_device_config_t *devconf;
724 unformat_input_t sub_input;
728 devconf = &conf->default_devconf;
732 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
736 pool_get (conf->dev_confs, devconf);
737 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
738 devconf - conf->dev_confs);
741 return clib_error_return (0,
742 "duplicate configuration for PCI address %U",
743 format_vlib_pci_addr, &pci_addr);
746 devconf->pci_addr.as_u32 = pci_addr.as_u32;
747 devconf->hqos_enabled = 0;
748 dpdk_device_config_hqos_default (&devconf->hqos);
753 unformat_skip_white_space (input);
754 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
756 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
758 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
760 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
762 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
764 else if (unformat (input, "workers %U", unformat_bitmap_list,
769 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
771 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
775 else if (unformat (input, "vlan-strip-offload off"))
776 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
777 else if (unformat (input, "vlan-strip-offload on"))
778 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
781 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
783 devconf->hqos_enabled = 1;
784 error = unformat_hqos (&sub_input, &devconf->hqos);
788 else if (unformat (input, "hqos"))
790 devconf->hqos_enabled = 1;
794 error = clib_error_return (0, "unknown input `%U'",
795 format_unformat_error, input);
803 if (devconf->workers && devconf->num_rx_queues == 0)
804 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
805 else if (devconf->workers &&
806 clib_bitmap_count_set_bits (devconf->workers) !=
807 devconf->num_rx_queues)
809 clib_error_return (0,
810 "%U: number of worker threadds must be "
811 "equal to number of rx queues", format_vlib_pci_addr,
817 static clib_error_t *
818 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
820 clib_error_t *error = 0;
821 dpdk_main_t *dm = &dpdk_main;
822 dpdk_config_main_t *conf = &dpdk_config_main;
823 vlib_thread_main_t *tm = vlib_get_thread_main ();
824 dpdk_device_config_t *devconf;
825 vlib_pci_addr_t pci_addr;
826 unformat_input_t sub_input;
829 u8 *rte_cmd = 0, *ethname = 0;
832 int num_whitelisted = 0;
839 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
840 log_level = RTE_LOG_NOTICE;
842 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
845 if (unformat (input, "no-hugetlb"))
847 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
851 else if (unformat (input, "enable-tcp-udp-checksum"))
852 conf->enable_tcp_udp_checksum = 1;
854 else if (unformat (input, "decimal-interface-names"))
855 conf->interface_name_format_decimal = 1;
857 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
860 else if (unformat (input, "no-multi-seg"))
861 conf->no_multi_seg = 1;
863 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
867 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
875 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
876 unformat_vlib_cli_sub_input, &sub_input))
878 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
885 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
887 error = dpdk_device_config (conf, pci_addr, 0, 0);
894 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
896 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
898 else if (unformat (input, "socket-mem %s", &socket_mem))
900 else if (unformat (input, "no-pci"))
903 tmp = format (0, "--no-pci%c", 0);
904 vec_add1 (conf->eal_init_args, tmp);
906 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
910 else if (unformat(input, #a)) \
912 tmp = format (0, "--%s%c", #a, 0); \
913 vec_add1 (conf->eal_init_args, tmp); \
915 foreach_eal_double_hyphen_predicate_arg
918 else if (unformat(input, #a " %s", &s)) \
920 if (!strncmp(#a, "huge-dir", 8)) \
922 else if (!strncmp(#a, "file-prefix", 11)) \
924 tmp = format (0, "--%s%c", #a, 0); \
925 vec_add1 (conf->eal_init_args, tmp); \
927 if (!strncmp(#a, "vdev", 4)) \
928 if (strstr((char*)s, "af_packet")) \
929 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
930 vec_add1 (conf->eal_init_args, s); \
932 foreach_eal_double_hyphen_arg
935 else if (unformat(input, #a " %s", &s)) \
937 tmp = format (0, "-%s%c", #b, 0); \
938 vec_add1 (conf->eal_init_args, tmp); \
940 vec_add1 (conf->eal_init_args, s); \
942 foreach_eal_single_hyphen_arg
945 else if (unformat(input, #a " %s", &s)) \
947 tmp = format (0, "-%s%c", #b, 0); \
948 vec_add1 (conf->eal_init_args, tmp); \
950 vec_add1 (conf->eal_init_args, s); \
951 conf->a##_set_manually = 1; \
953 foreach_eal_single_hyphen_mandatory_arg
955 else if (unformat (input, "default"))
958 else if (unformat_skip_white_space (input))
962 error = clib_error_return (0, "unknown input `%U'",
963 format_unformat_error, input);
968 if (!conf->uio_driver_name)
969 conf->uio_driver_name = format (0, "uio_pci_generic%c", 0);
972 * Use 1G huge pages if available.
974 if (!no_huge && !huge_dir)
976 u32 x, *mem_by_socket = 0;
983 umount (DEFAULT_HUGE_DIR);
985 /* Process "socket-mem" parameter value */
986 if (vec_len (socket_mem))
989 unformat_init_vector (&in, socket_mem);
990 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
992 if (unformat (&in, "%u,", &x))
994 else if (unformat (&in, "%u", &x))
996 else if (unformat (&in, ","))
1001 vec_add1 (mem_by_socket, x);
1006 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1007 unformat_free (&in);
1013 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1015 vec_validate(mem_by_socket, c);
1016 mem_by_socket[c] = 256; /* default per-socket mem */
1022 /* check if available enough 1GB pages for each socket */
1024 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1026 int pages_avail, page_size, mem;
1028 vec_validate(mem_by_socket, c);
1029 mem = mem_by_socket[c];
1032 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1034 if (pages_avail < 0 || page_size * pages_avail < mem)
1038 pages_avail = vlib_sysfs_get_free_hugepages(c, page_size * 1024);
1040 if (pages_avail < 0 || page_size * pages_avail < mem)
1045 if (mem_by_socket == 0)
1047 error = clib_error_return (0, "mem_by_socket NULL");
1050 _vec_len (mem_by_socket) = c + 1;
1052 /* regenerate socket_mem string */
1053 vec_foreach_index (x, mem_by_socket)
1054 socket_mem = format (socket_mem, "%s%u",
1055 socket_mem ? "," : "", mem_by_socket[x]);
1056 socket_mem = format (socket_mem, "%c", 0);
1058 vec_free (mem_by_socket);
1060 /* Make sure VPP_RUN_DIR exists */
1061 error = unix_make_vpp_run_dir ();
1065 rv = mkdir (DEFAULT_HUGE_DIR, 0755);
1066 if (rv && errno != EEXIST)
1068 error = clib_error_return (0, "mkdir '%s' failed errno %d",
1069 DEFAULT_HUGE_DIR, errno);
1073 if (use_1g && !(less_than_1g && use_2m))
1076 mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, "pagesize=1G");
1080 rv = mount ("none", DEFAULT_HUGE_DIR, "hugetlbfs", 0, NULL);
1084 return clib_error_return (0, "not enough free huge pages");
1089 error = clib_error_return (0, "mount failed %d", errno);
1093 tmp = format (0, "--huge-dir%c", 0);
1094 vec_add1 (conf->eal_init_args, tmp);
1095 tmp = format (0, "%s%c", DEFAULT_HUGE_DIR, 0);
1096 vec_add1 (conf->eal_init_args, tmp);
1099 tmp = format (0, "--file-prefix%c", 0);
1100 vec_add1 (conf->eal_init_args, tmp);
1101 tmp = format (0, "vpp%c", 0);
1102 vec_add1 (conf->eal_init_args, tmp);
1112 /* I'll bet that -c and -n must be the first and second args... */
1113 if (!conf->coremask_set_manually)
1115 vlib_thread_registration_t *tr;
1116 uword *coremask = 0;
1119 /* main thread core */
1120 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1122 for (i = 0; i < vec_len (tm->registrations); i++)
1124 tr = tm->registrations[i];
1125 coremask = clib_bitmap_or (coremask, tr->coremask);
1128 vec_insert (conf->eal_init_args, 2, 1);
1129 conf->eal_init_args[1] = (u8 *) "-c";
1130 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1131 conf->eal_init_args[2] = tmp;
1132 clib_bitmap_free (coremask);
1135 if (!conf->nchannels_set_manually)
1137 vec_insert (conf->eal_init_args, 2, 3);
1138 conf->eal_init_args[3] = (u8 *) "-n";
1139 tmp = format (0, "%d", conf->nchannels);
1140 conf->eal_init_args[4] = tmp;
1143 if (no_pci == 0 && geteuid () == 0)
1144 dpdk_bind_devices_to_uio (conf);
1147 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1148 devconf->x = conf->default_devconf.x ;
1151 pool_foreach (devconf, conf->dev_confs, ({
1153 /* default per-device config items */
1154 foreach_dpdk_device_config_item
1156 /* add DPDK EAL whitelist/blacklist entry */
1157 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1159 tmp = format (0, "-w%c", 0);
1160 vec_add1 (conf->eal_init_args, tmp);
1161 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1162 vec_add1 (conf->eal_init_args, tmp);
1164 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1166 tmp = format (0, "-b%c", 0);
1167 vec_add1 (conf->eal_init_args, tmp);
1168 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1169 vec_add1 (conf->eal_init_args, tmp);
1176 /* set master-lcore */
1177 tmp = format (0, "--master-lcore%c", 0);
1178 vec_add1 (conf->eal_init_args, tmp);
1179 tmp = format (0, "%u%c", tm->main_lcore, 0);
1180 vec_add1 (conf->eal_init_args, tmp);
1182 /* set socket-mem */
1183 tmp = format (0, "--socket-mem%c", 0);
1184 vec_add1 (conf->eal_init_args, tmp);
1185 tmp = format (0, "%s%c", socket_mem, 0);
1186 vec_add1 (conf->eal_init_args, tmp);
1188 /* NULL terminate the "argv" vector, in case of stupidity */
1189 vec_add1 (conf->eal_init_args, 0);
1190 _vec_len (conf->eal_init_args) -= 1;
1192 /* Set up DPDK eal and packet mbuf pool early. */
1194 #if RTE_VERSION >= RTE_VERSION_NUM(17, 5, 0, 0)
1195 rte_log_set_global_level (log_level);
1197 rte_set_log_level (log_level);
1200 vm = vlib_get_main ();
1202 /* make copy of args as rte_eal_init tends to mess up with arg array */
1203 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1204 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1205 conf->eal_init_args[i]);
1208 rte_eal_init (vec_len (conf->eal_init_args),
1209 (char **) conf->eal_init_args);
1211 /* lazy umount hugepages */
1212 umount2 (DEFAULT_HUGE_DIR, MNT_DETACH);
1215 return clib_error_return (0, "rte_eal_init returned %d", ret);
1217 /* Dump the physical memory layout prior to creating the mbuf_pool */
1218 fprintf (stdout, "DPDK physical memory layout:\n");
1219 rte_dump_physmem_layout (stdout);
1221 /* main thread 1st */
1222 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1226 for (i = 0; i < RTE_MAX_LCORE; i++)
1228 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1229 rte_lcore_to_socket_id (i));
1238 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1241 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1243 vnet_main_t *vnm = vnet_get_main ();
1244 struct rte_eth_link prev_link = xd->link;
1246 u8 hw_flags_chg = 0;
1248 /* only update link state for PMD interfaces */
1249 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1252 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1253 memset (&xd->link, 0, sizeof (xd->link));
1254 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1256 if (LINK_STATE_ELOGS)
1258 vlib_main_t *vm = vlib_get_main ();
1259 ELOG_TYPE_DECLARE (e) =
1262 "update-link-state: sw_if_index %d, admin_up %d,"
1263 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1272 ed = ELOG_DATA (&vm->elog_main, e);
1273 ed->sw_if_index = xd->vlib_sw_if_index;
1274 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1275 ed->old_link_state = (u8)
1276 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1277 ed->new_link_state = (u8) xd->link.link_status;
1280 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1281 && ((xd->link.link_status != 0) ^
1282 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1285 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1288 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1291 switch (xd->link.link_duplex)
1293 case ETH_LINK_HALF_DUPLEX:
1294 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1296 case ETH_LINK_FULL_DUPLEX:
1297 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1303 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1306 switch (xd->link.link_speed)
1308 case ETH_SPEED_NUM_10M:
1309 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1311 case ETH_SPEED_NUM_100M:
1312 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1314 case ETH_SPEED_NUM_1G:
1315 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1317 case ETH_SPEED_NUM_10G:
1318 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1320 case ETH_SPEED_NUM_40G:
1321 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1326 clib_warning ("unknown link speed %d", xd->link.link_speed);
1332 if (LINK_STATE_ELOGS)
1334 vlib_main_t *vm = vlib_get_main ();
1336 ELOG_TYPE_DECLARE (e) =
1339 "update-link-state: sw_if_index %d, new flags %d",.format_args
1347 ed = ELOG_DATA (&vm->elog_main, e);
1348 ed->sw_if_index = xd->vlib_sw_if_index;
1349 ed->flags = hw_flags;
1351 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1356 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1358 clib_error_t *error;
1359 vnet_main_t *vnm = vnet_get_main ();
1360 dpdk_main_t *dm = &dpdk_main;
1361 ethernet_main_t *em = ðernet_main;
1363 vlib_thread_main_t *tm = vlib_get_thread_main ();
1366 error = dpdk_lib_init (dm);
1369 clib_error_report (error);
1371 tm->worker_thread_release = 1;
1373 f64 now = vlib_time_now (vm);
1374 vec_foreach (xd, dm->devices)
1376 dpdk_update_link_state (xd, now);
1381 * Extra set up for bond interfaces:
1382 * 1. Setup MACs for bond interfaces and their slave links which was set
1383 * in dpdk_device_setup() but needs to be done again here to take
1385 * 2. Set up info and register slave link state change callback handling.
1386 * 3. Set up info for bond interface related CLI support.
1388 int nports = rte_eth_dev_count ();
1391 for (i = 0; i < nports; i++)
1393 xd = &dm->devices[i];
1394 ASSERT (i == xd->device_index);
1395 if (xd->pmd == VNET_DPDK_PMD_BOND)
1399 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1402 vnet_hw_interface_t *bhi;
1403 ethernet_interface_t *bei;
1406 /* Get MAC of 1st slave link */
1408 (slink[0], (struct ether_addr *) addr);
1410 /* Set MAC of bounded interface to that of 1st slave link */
1411 clib_warning ("Set MAC for bond port %d BondEthernet%d",
1413 rv = rte_eth_bond_mac_address_set
1414 (i, (struct ether_addr *) addr);
1416 clib_warning ("Set MAC addr failure rv=%d", rv);
1418 /* Populate MAC of bonded interface in VPP hw tables */
1419 bhi = vnet_get_hw_interface
1420 (vnm, dm->devices[i].hw_if_index);
1421 bei = pool_elt_at_index
1422 (em->interfaces, bhi->hw_instance);
1423 clib_memcpy (bhi->hw_address, addr, 6);
1424 clib_memcpy (bei->address, addr, 6);
1426 /* Init l3 packet size allowed on bonded interface */
1427 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1428 bhi->max_l3_packet_bytes[VLIB_RX] =
1429 bhi->max_l3_packet_bytes[VLIB_TX] =
1430 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1432 { /* for all slave links */
1433 int slave = slink[--nlink];
1434 dpdk_device_t *sdev = &dm->devices[slave];
1435 vnet_hw_interface_t *shi;
1436 vnet_sw_interface_t *ssi;
1437 ethernet_interface_t *sei;
1438 /* Add MAC to all slave links except the first one */
1441 clib_warning ("Add MAC for slave port %d", slave);
1442 rv = rte_eth_dev_mac_addr_add
1443 (slave, (struct ether_addr *) addr, 0);
1445 clib_warning ("Add MAC addr failure rv=%d", rv);
1447 /* Setup slave link state change callback handling */
1448 rte_eth_dev_callback_register
1449 (slave, RTE_ETH_EVENT_INTR_LSC,
1450 dpdk_port_state_callback, NULL);
1451 dpdk_device_t *sxd = &dm->devices[slave];
1452 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1454 /* Set slaves bitmap for bonded interface */
1455 bhi->bond_info = clib_bitmap_set
1456 (bhi->bond_info, sdev->hw_if_index, 1);
1457 /* Set MACs and slave link flags on slave interface */
1458 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1459 ssi = vnet_get_sw_interface
1460 (vnm, sdev->vlib_sw_if_index);
1461 sei = pool_elt_at_index
1462 (em->interfaces, shi->hw_instance);
1463 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1464 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1465 clib_memcpy (shi->hw_address, addr, 6);
1466 clib_memcpy (sei->address, addr, 6);
1467 /* Set l3 packet size allowed as the lowest of slave */
1468 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1469 shi->max_l3_packet_bytes[VLIB_RX])
1470 bhi->max_l3_packet_bytes[VLIB_RX] =
1471 bhi->max_l3_packet_bytes[VLIB_TX] =
1472 shi->max_l3_packet_bytes[VLIB_RX];
1473 /* Set max packet size allowed as the lowest of slave */
1474 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1475 bhi->max_packet_bytes = shi->max_packet_bytes;
1486 * check each time through the loop in case intervals are changed
1488 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1489 dm->link_state_poll_interval : dm->stat_poll_interval;
1491 vlib_process_wait_for_event_or_clock (vm, min_wait);
1493 if (dm->admin_up_down_in_progress)
1494 /* skip the poll if an admin up down is in progress (on any interface) */
1497 vec_foreach (xd, dm->devices)
1499 f64 now = vlib_time_now (vm);
1500 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1501 dpdk_update_counters (xd, now);
1502 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1503 dpdk_update_link_state (xd, now);
1512 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1513 .function = dpdk_process,
1514 .type = VLIB_NODE_TYPE_PROCESS,
1515 .name = "dpdk-process",
1516 .process_log2_n_stack_bytes = 17,
1520 static clib_error_t *
1521 dpdk_init (vlib_main_t * vm)
1523 dpdk_main_t *dm = &dpdk_main;
1525 clib_error_t *error = 0;
1526 vlib_thread_main_t *tm = vlib_get_thread_main ();
1528 /* verify that structs are cacheline aligned */
1529 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1530 "Cache line marker must be 1st element in dpdk_device_t");
1531 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1532 CLIB_CACHE_LINE_BYTES,
1533 "Data in cache line 0 is bigger than cache line size");
1534 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1535 "Cache line marker must be 1st element in frame_queue_trace_t");
1538 dm->vnet_main = vnet_get_main ();
1539 dm->conf = &dpdk_config_main;
1541 ei = vlib_get_node_by_name (vm, (u8 *) "ethernet-input");
1543 return clib_error_return (0, "ethernet-input node AWOL");
1545 dm->ethernet_input_node_index = ei->index;
1547 dm->conf->nchannels = 4;
1548 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1549 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1551 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1553 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1554 dm->buffer_flags_template =
1555 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1556 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1557 VNET_BUFFER_F_L4_CHECKSUM_CORRECT);
1559 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1560 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1563 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1569 VLIB_INIT_FUNCTION (dpdk_init);
1573 * fd.io coding-style-patch-verification: ON
1576 * eval: (c-set-style "gnu")