2 * Copyright (c) 2015 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
15 #include <vnet/vnet.h>
16 #include <vppinfra/vec.h>
17 #include <vppinfra/error.h>
18 #include <vppinfra/format.h>
19 #include <vppinfra/bitmap.h>
20 #include <vppinfra/linux/sysfs.h>
21 #include <vlib/unix/unix.h>
23 #include <vnet/ethernet/ethernet.h>
24 #include <dpdk/device/dpdk.h>
25 #include <vlib/pci/pci.h>
33 #include <sys/mount.h>
37 #include <dpdk/device/dpdk_priv.h>
39 dpdk_main_t dpdk_main;
40 dpdk_config_main_t dpdk_config_main;
42 #define LINK_STATE_ELOGS 0
44 /* Port configuration, mildly modified Intel app values */
46 static struct rte_eth_conf port_conf_template = {
49 .header_split = 0, /**< Header Split disabled */
50 .hw_ip_checksum = 0, /**< IP checksum offload disabled */
51 .hw_vlan_filter = 0, /**< VLAN filtering disabled */
52 .hw_strip_crc = 0, /**< CRC stripped by hardware */
55 .mq_mode = ETH_MQ_TX_NONE,
59 static dpdk_port_type_t
60 port_type_from_speed_capa (struct rte_eth_dev_info *dev_info)
63 if (dev_info->speed_capa & ETH_LINK_SPEED_100G)
64 return VNET_DPDK_PORT_TYPE_ETH_100G;
65 else if (dev_info->speed_capa & ETH_LINK_SPEED_50G)
66 return VNET_DPDK_PORT_TYPE_ETH_50G;
67 else if (dev_info->speed_capa & ETH_LINK_SPEED_40G)
68 return VNET_DPDK_PORT_TYPE_ETH_40G;
69 else if (dev_info->speed_capa & ETH_LINK_SPEED_25G)
70 return VNET_DPDK_PORT_TYPE_ETH_25G;
71 else if (dev_info->speed_capa & ETH_LINK_SPEED_10G)
72 return VNET_DPDK_PORT_TYPE_ETH_10G;
73 else if (dev_info->speed_capa & ETH_LINK_SPEED_1G)
74 return VNET_DPDK_PORT_TYPE_ETH_1G;
76 return VNET_DPDK_PORT_TYPE_UNKNOWN;
81 dpdk_flag_change (vnet_main_t * vnm, vnet_hw_interface_t * hi, u32 flags)
83 dpdk_main_t *dm = &dpdk_main;
84 dpdk_device_t *xd = vec_elt_at_index (dm->devices, hi->dev_instance);
87 if (ETHERNET_INTERFACE_FLAG_CONFIG_PROMISC (flags))
89 old = (xd->flags & DPDK_DEVICE_FLAG_PROMISC) != 0;
91 if (flags & ETHERNET_INTERFACE_FLAG_ACCEPT_ALL)
92 xd->flags |= DPDK_DEVICE_FLAG_PROMISC;
94 xd->flags &= ~DPDK_DEVICE_FLAG_PROMISC;
96 if (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP)
98 if (xd->flags & DPDK_DEVICE_FLAG_PROMISC)
99 rte_eth_promiscuous_enable (xd->device_index);
101 rte_eth_promiscuous_disable (xd->device_index);
104 else if (ETHERNET_INTERFACE_FLAG_CONFIG_MTU (flags))
106 xd->port_conf.rxmode.max_rx_pkt_len = hi->max_packet_bytes;
107 dpdk_device_setup (xd);
113 dpdk_device_lock_init (dpdk_device_t * xd)
116 vec_validate (xd->lockp, xd->tx_q_used - 1);
117 for (q = 0; q < xd->tx_q_used; q++)
119 xd->lockp[q] = clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES,
120 CLIB_CACHE_LINE_BYTES);
121 memset ((void *) xd->lockp[q], 0, CLIB_CACHE_LINE_BYTES);
125 static struct rte_mempool_ops *
126 get_ops_by_name (i8 * ops_name)
130 for (i = 0; i < rte_mempool_ops_table.num_ops; i++)
132 if (!strcmp (ops_name, rte_mempool_ops_table.ops[i].name))
133 return &rte_mempool_ops_table.ops[i];
140 dpdk_ring_alloc (struct rte_mempool *mp)
142 u32 rg_flags = 0, count;
144 i8 rg_name[RTE_RING_NAMESIZE];
147 ret = snprintf (rg_name, sizeof (rg_name), RTE_MEMPOOL_MZ_FORMAT, mp->name);
148 if (ret < 0 || ret >= (i32) sizeof (rg_name))
149 return -ENAMETOOLONG;
152 if (mp->flags & MEMPOOL_F_SP_PUT)
153 rg_flags |= RING_F_SP_ENQ;
154 if (mp->flags & MEMPOOL_F_SC_GET)
155 rg_flags |= RING_F_SC_DEQ;
157 count = rte_align32pow2 (mp->size + 1);
159 * Allocate the ring that will be used to store objects.
160 * Ring functions will return appropriate errors if we are
161 * running as a secondary process etc., so no checks made
162 * in this function for that condition.
164 /* XXX can we get memory from the right socket? */
165 r = clib_mem_alloc_aligned (rte_ring_get_memsize (count),
166 CLIB_CACHE_LINE_BYTES);
168 /* XXX rte_ring_lookup will not work */
170 ret = rte_ring_init (r, rg_name, count, rg_flags);
179 static clib_error_t *
180 dpdk_lib_init (dpdk_main_t * dm)
186 vlib_main_t *vm = vlib_get_main ();
187 vlib_thread_main_t *tm = vlib_get_thread_main ();
188 vnet_device_main_t *vdm = &vnet_device_main;
189 vnet_sw_interface_t *sw;
190 vnet_hw_interface_t *hi;
192 vlib_pci_addr_t last_pci_addr;
193 u32 last_pci_addr_port = 0;
194 vlib_thread_registration_t *tr_hqos;
197 u32 next_hqos_cpu = 0;
198 u8 af_packet_port_id = 0;
199 u8 bond_ether_port_id = 0;
200 last_pci_addr.as_u32 = ~0;
202 dm->hqos_cpu_first_index = 0;
203 dm->hqos_cpu_count = 0;
205 /* find out which cpus will be used for I/O TX */
206 p_hqos = hash_get_mem (tm->thread_registrations_by_name, "hqos-threads");
207 tr_hqos = p_hqos ? (vlib_thread_registration_t *) p_hqos[0] : 0;
209 if (tr_hqos && tr_hqos->count > 0)
211 dm->hqos_cpu_first_index = tr_hqos->first_index;
212 dm->hqos_cpu_count = tr_hqos->count;
215 vec_validate_aligned (dm->devices_by_hqos_cpu, tm->n_vlib_mains - 1,
216 CLIB_CACHE_LINE_BYTES);
218 nports = rte_eth_dev_count ();
221 clib_warning ("DPDK drivers found no ports...");
225 clib_warning ("DPDK drivers found %d ports...", nports);
228 * All buffers are all allocated from the same rte_mempool.
229 * Thus they all have the same number of data bytes.
231 dm->vlib_buffer_free_list_index =
232 vlib_buffer_get_or_create_free_list (vm,
233 VLIB_BUFFER_DEFAULT_FREE_LIST_BYTES,
236 if (dm->conf->enable_tcp_udp_checksum)
237 dm->buffer_flags_template &= ~(VNET_BUFFER_F_L4_CHECKSUM_CORRECT
238 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED);
240 /* vlib_buffer_t template */
241 vec_validate_aligned (dm->buffer_templates, tm->n_vlib_mains - 1,
242 CLIB_CACHE_LINE_BYTES);
243 for (i = 0; i < tm->n_vlib_mains; i++)
245 vlib_buffer_free_list_t *fl;
246 vlib_buffer_t *bt = vec_elt_at_index (dm->buffer_templates, i);
247 fl = vlib_buffer_get_free_list (vm,
248 VLIB_BUFFER_DEFAULT_FREE_LIST_INDEX);
249 vlib_buffer_init_for_free_list (bt, fl);
250 bt->flags = dm->buffer_flags_template;
251 vnet_buffer (bt)->sw_if_index[VLIB_TX] = (u32) ~ 0;
254 for (i = 0; i < nports; i++)
259 struct rte_eth_dev_info dev_info;
260 struct rte_eth_link l;
261 dpdk_device_config_t *devconf = 0;
262 vlib_pci_addr_t pci_addr;
265 rte_eth_dev_info_get (i, &dev_info);
266 if (dev_info.pci_dev) /* bonded interface has no pci info */
268 pci_addr.domain = dev_info.pci_dev->addr.domain;
269 pci_addr.bus = dev_info.pci_dev->addr.bus;
270 pci_addr.slot = dev_info.pci_dev->addr.devid;
271 pci_addr.function = dev_info.pci_dev->addr.function;
273 hash_get (dm->conf->device_config_index_by_pci_addr,
278 devconf = pool_elt_at_index (dm->conf->dev_confs, p[0]);
280 devconf = &dm->conf->default_devconf;
282 /* Create vnet interface */
283 vec_add2_aligned (dm->devices, xd, 1, CLIB_CACHE_LINE_BYTES);
284 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
285 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
286 xd->cpu_socket = (i8) rte_eth_dev_socket_id (i);
288 /* Handle interface naming for devices with multiple ports sharing same PCI ID */
289 if (dev_info.pci_dev)
291 struct rte_eth_dev_info di = { 0 };
292 rte_eth_dev_info_get (i + 1, &di);
293 if (di.pci_dev && pci_addr.as_u32 != last_pci_addr.as_u32 &&
294 memcmp (&dev_info.pci_dev->addr, &di.pci_dev->addr,
295 sizeof (struct rte_pci_addr)) == 0)
297 xd->interface_name_suffix = format (0, "0");
298 last_pci_addr.as_u32 = pci_addr.as_u32;
299 last_pci_addr_port = i;
301 else if (pci_addr.as_u32 == last_pci_addr.as_u32)
303 xd->interface_name_suffix =
304 format (0, "%u", i - last_pci_addr_port);
308 last_pci_addr.as_u32 = ~0;
312 last_pci_addr.as_u32 = ~0;
314 clib_memcpy (&xd->tx_conf, &dev_info.default_txconf,
315 sizeof (struct rte_eth_txconf));
317 if (dm->conf->no_tx_checksum_offload == 0)
318 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOXSUMS;
320 if (dm->conf->no_multi_seg)
322 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
323 port_conf_template.rxmode.jumbo_frame = 0;
324 port_conf_template.rxmode.enable_scatter = 0;
328 xd->tx_conf.txq_flags &= ~ETH_TXQ_FLAGS_NOMULTSEGS;
329 port_conf_template.rxmode.jumbo_frame = 1;
330 port_conf_template.rxmode.enable_scatter = 1;
331 xd->flags |= DPDK_DEVICE_FLAG_MAYBE_MULTISEG;
334 clib_memcpy (&xd->port_conf, &port_conf_template,
335 sizeof (struct rte_eth_conf));
337 xd->tx_q_used = clib_min (dev_info.max_tx_queues, tm->n_vlib_mains);
339 if (devconf->num_tx_queues > 0
340 && devconf->num_tx_queues < xd->tx_q_used)
341 xd->tx_q_used = clib_min (xd->tx_q_used, devconf->num_tx_queues);
343 if (devconf->num_rx_queues > 1
344 && dev_info.max_rx_queues >= devconf->num_rx_queues)
346 xd->rx_q_used = devconf->num_rx_queues;
347 xd->port_conf.rxmode.mq_mode = ETH_MQ_RX_RSS;
348 if (devconf->rss_fn == 0)
349 xd->port_conf.rx_adv_conf.rss_conf.rss_hf =
350 ETH_RSS_IP | ETH_RSS_UDP | ETH_RSS_TCP;
352 xd->port_conf.rx_adv_conf.rss_conf.rss_hf = devconf->rss_fn;
357 xd->flags |= DPDK_DEVICE_FLAG_PMD;
359 /* workaround for drivers not setting driver_name */
360 if ((!dev_info.driver_name) && (dev_info.pci_dev))
361 dev_info.driver_name = dev_info.pci_dev->driver->driver.name;
363 ASSERT (dev_info.driver_name);
369 #define _(s,f) else if (dev_info.driver_name && \
370 !strcmp(dev_info.driver_name, s)) \
371 xd->pmd = VNET_DPDK_PMD_##f;
377 xd->pmd = VNET_DPDK_PMD_UNKNOWN;
379 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
380 xd->nb_rx_desc = DPDK_NB_RX_DESC_DEFAULT;
381 xd->nb_tx_desc = DPDK_NB_TX_DESC_DEFAULT;
385 /* Drivers with valid speed_capa set */
386 case VNET_DPDK_PMD_E1000EM:
387 case VNET_DPDK_PMD_IGB:
388 case VNET_DPDK_PMD_IXGBE:
389 case VNET_DPDK_PMD_I40E:
390 xd->port_type = port_type_from_speed_capa (&dev_info);
391 xd->flags |= DPDK_DEVICE_FLAG_TX_OFFLOAD |
392 DPDK_DEVICE_FLAG_INTEL_PHDR_CKSUM;
395 case VNET_DPDK_PMD_CXGBE:
396 case VNET_DPDK_PMD_MLX4:
397 case VNET_DPDK_PMD_MLX5:
398 xd->port_type = port_type_from_speed_capa (&dev_info);
402 case VNET_DPDK_PMD_IGBVF:
403 case VNET_DPDK_PMD_IXGBEVF:
404 case VNET_DPDK_PMD_I40EVF:
405 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
406 xd->port_conf.rxmode.hw_strip_crc = 1;
409 case VNET_DPDK_PMD_THUNDERX:
410 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_VF;
411 xd->port_conf.rxmode.hw_strip_crc = 1;
414 case VNET_DPDK_PMD_DPAA2:
415 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
419 case VNET_DPDK_PMD_ENIC:
420 rte_eth_link_get_nowait (i, &l);
421 if (l.link_speed == 40000)
422 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_40G;
424 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_10G;
427 /* Intel Red Rock Canyon */
428 case VNET_DPDK_PMD_FM10K:
429 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_SWITCH;
430 xd->port_conf.rxmode.hw_strip_crc = 1;
434 case VNET_DPDK_PMD_VIRTIO:
435 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
436 xd->nb_rx_desc = DPDK_NB_RX_DESC_VIRTIO;
437 xd->nb_tx_desc = DPDK_NB_TX_DESC_VIRTIO;
441 case VNET_DPDK_PMD_VMXNET3:
442 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_1G;
443 xd->tx_conf.txq_flags |= ETH_TXQ_FLAGS_NOMULTSEGS;
446 case VNET_DPDK_PMD_AF_PACKET:
447 xd->port_type = VNET_DPDK_PORT_TYPE_AF_PACKET;
448 xd->port_id = af_packet_port_id++;
451 case VNET_DPDK_PMD_BOND:
452 xd->port_type = VNET_DPDK_PORT_TYPE_ETH_BOND;
453 xd->port_id = bond_ether_port_id++;
456 case VNET_DPDK_PMD_VIRTIO_USER:
457 xd->port_type = VNET_DPDK_PORT_TYPE_VIRTIO_USER;
461 xd->port_type = VNET_DPDK_PORT_TYPE_UNKNOWN;
464 if (devconf->num_rx_desc)
465 xd->nb_rx_desc = devconf->num_rx_desc;
467 if (devconf->num_tx_desc)
468 xd->nb_tx_desc = devconf->num_tx_desc;
472 * Ensure default mtu is not > the mtu read from the hardware.
473 * Otherwise rte_eth_dev_configure() will fail and the port will
476 if (ETHERNET_MAX_PACKET_BYTES > dev_info.max_rx_pktlen)
479 * This device does not support the platforms's max frame
480 * size. Use it's advertised mru instead.
482 xd->port_conf.rxmode.max_rx_pkt_len = dev_info.max_rx_pktlen;
486 xd->port_conf.rxmode.max_rx_pkt_len = ETHERNET_MAX_PACKET_BYTES;
489 * Some platforms do not account for Ethernet FCS (4 bytes) in
490 * MTU calculations. To interop with them increase mru but only
491 * if the device's settings can support it.
493 if ((dev_info.max_rx_pktlen >= (ETHERNET_MAX_PACKET_BYTES + 4)) &&
494 xd->port_conf.rxmode.hw_strip_crc)
497 * Allow additional 4 bytes (for Ethernet FCS). These bytes are
498 * stripped by h/w and so will not consume any buffer memory.
500 xd->port_conf.rxmode.max_rx_pkt_len += 4;
504 if (xd->pmd == VNET_DPDK_PMD_AF_PACKET)
506 f64 now = vlib_time_now (vm);
508 rnd = (u32) (now * 1e6);
509 rnd = random_u32 (&rnd);
510 clib_memcpy (addr + 2, &rnd, sizeof (rnd));
515 rte_eth_macaddr_get (i, (struct ether_addr *) addr);
517 if (xd->tx_q_used < tm->n_vlib_mains)
518 dpdk_device_lock_init (xd);
520 xd->device_index = xd - dm->devices;
521 ASSERT (i == xd->device_index);
522 xd->per_interface_next_index = ~0;
524 /* assign interface to input thread */
525 dpdk_device_and_queue_t *dq;
528 if (devconf->hqos_enabled)
530 xd->flags |= DPDK_DEVICE_FLAG_HQOS;
532 if (devconf->hqos.hqos_thread_valid)
534 int cpu = dm->hqos_cpu_first_index + devconf->hqos.hqos_thread;
536 if (devconf->hqos.hqos_thread >= dm->hqos_cpu_count)
537 return clib_error_return (0, "invalid HQoS thread index");
539 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
540 dq->device = xd->device_index;
545 int cpu = dm->hqos_cpu_first_index + next_hqos_cpu;
547 if (dm->hqos_cpu_count == 0)
548 return clib_error_return (0, "no HQoS threads available");
550 vec_add2 (dm->devices_by_hqos_cpu[cpu], dq, 1);
551 dq->device = xd->device_index;
555 if (next_hqos_cpu == dm->hqos_cpu_count)
558 devconf->hqos.hqos_thread_valid = 1;
559 devconf->hqos.hqos_thread = cpu;
563 vec_validate_aligned (xd->tx_vectors, tm->n_vlib_mains,
564 CLIB_CACHE_LINE_BYTES);
565 for (j = 0; j < tm->n_vlib_mains; j++)
567 vec_validate_ha (xd->tx_vectors[j], xd->nb_tx_desc,
568 sizeof (tx_ring_hdr_t), CLIB_CACHE_LINE_BYTES);
569 vec_reset_length (xd->tx_vectors[j]);
572 vec_validate_aligned (xd->rx_vectors, xd->rx_q_used,
573 CLIB_CACHE_LINE_BYTES);
574 for (j = 0; j < xd->rx_q_used; j++)
576 vec_validate_aligned (xd->rx_vectors[j], VLIB_FRAME_SIZE - 1,
577 CLIB_CACHE_LINE_BYTES);
578 vec_reset_length (xd->rx_vectors[j]);
581 vec_validate_aligned (xd->d_trace_buffers, tm->n_vlib_mains,
582 CLIB_CACHE_LINE_BYTES);
585 /* count the number of descriptors used for this device */
586 nb_desc += xd->nb_rx_desc + xd->nb_tx_desc * xd->tx_q_used;
588 error = ethernet_register_interface
589 (dm->vnet_main, dpdk_device_class.index, xd->device_index,
590 /* ethernet address */ addr,
591 &xd->hw_if_index, dpdk_flag_change);
595 sw = vnet_get_hw_sw_interface (dm->vnet_main, xd->hw_if_index);
596 xd->vlib_sw_if_index = sw->sw_if_index;
597 vnet_hw_interface_set_input_node (dm->vnet_main, xd->hw_if_index,
598 dpdk_input_node.index);
600 if (devconf->workers)
605 clib_bitmap_foreach (i, devconf->workers, ({
606 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q++,
607 vdm->first_worker_thread_index + i);
612 for (q = 0; q < xd->rx_q_used; q++)
614 vnet_hw_interface_assign_rx_thread (dm->vnet_main, xd->hw_if_index, q, /* any */
618 hi = vnet_get_hw_interface (dm->vnet_main, xd->hw_if_index);
620 if (dm->conf->no_tx_checksum_offload == 0)
621 if (xd->flags & DPDK_DEVICE_FLAG_TX_OFFLOAD)
622 hi->flags |= VNET_HW_INTERFACE_FLAG_SUPPORTS_TX_L4_CKSUM_OFFLOAD;
624 dpdk_device_setup (xd);
626 if (vec_len (xd->errors))
627 clib_warning ("setup failed for device %U. Errors:\n %U",
628 format_dpdk_device_name, i,
629 format_dpdk_device_errors, xd);
631 if (devconf->hqos_enabled)
634 rv = dpdk_port_setup_hqos (xd, &devconf->hqos);
640 * For cisco VIC vNIC, set default to VLAN strip enabled, unless
641 * specified otherwise in the startup config.
642 * For other NICs default to VLAN strip disabled, unless specified
643 * otherwis in the startup config.
645 if (xd->pmd == VNET_DPDK_PMD_ENIC)
647 if (devconf->vlan_strip_offload != DPDK_DEVICE_VLAN_STRIP_OFF)
648 vlan_strip = 1; /* remove vlan tag from VIC port by default */
650 clib_warning ("VLAN strip disabled for interface\n");
652 else if (devconf->vlan_strip_offload == DPDK_DEVICE_VLAN_STRIP_ON)
658 vlan_off = rte_eth_dev_get_vlan_offload (xd->device_index);
659 vlan_off |= ETH_VLAN_STRIP_OFFLOAD;
660 xd->port_conf.rxmode.hw_vlan_strip = vlan_off;
661 if (rte_eth_dev_set_vlan_offload (xd->device_index, vlan_off) == 0)
662 clib_warning ("VLAN strip enabled for interface\n");
664 clib_warning ("VLAN strip cannot be supported by interface\n");
667 hi->max_l3_packet_bytes[VLIB_RX] = hi->max_l3_packet_bytes[VLIB_TX] =
668 xd->port_conf.rxmode.max_rx_pkt_len - sizeof (ethernet_header_t);
670 rte_eth_dev_set_mtu (xd->device_index, hi->max_packet_bytes);
673 if (nb_desc > dm->conf->num_mbufs)
674 clib_warning ("%d mbufs allocated but total rx/tx ring size is %d\n",
675 dm->conf->num_mbufs, nb_desc);
681 dpdk_bind_devices_to_uio (dpdk_config_main_t * conf)
683 vlib_pci_main_t *pm = &pci_main;
685 vlib_pci_device_t *d;
687 int num_whitelisted = vec_len (conf->dev_confs);
690 pool_foreach (d, pm->pci_devs, ({
691 dpdk_device_config_t * devconf = 0;
692 vec_reset_length (pci_addr);
693 pci_addr = format (pci_addr, "%U%c", format_vlib_pci_addr, &d->bus_address, 0);
695 if (d->device_class != PCI_CLASS_NETWORK_ETHERNET && d->device_class != PCI_CLASS_PROCESSOR_CO)
700 uword * p = hash_get (conf->device_config_index_by_pci_addr, d->bus_address.as_u32);
705 devconf = pool_elt_at_index (conf->dev_confs, p[0]);
709 if (d->vendor_id == 0x1af4 &&
710 (d->device_id == VIRTIO_PCI_LEGACY_DEVICEID_NET ||
711 d->device_id == VIRTIO_PCI_MODERN_DEVICEID_NET))
714 else if (d->vendor_id == 0x15ad && d->device_id == 0x07b0)
716 /* all Intel network devices */
717 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_NETWORK_ETHERNET)
719 /* all Intel QAT devices VFs */
720 else if (d->vendor_id == 0x8086 && d->device_class == PCI_CLASS_PROCESSOR_CO &&
721 (d->device_id == 0x0443 || d->device_id == 0x37c9 || d->device_id == 0x19e3))
724 else if (d->vendor_id == 0x1137 && d->device_id == 0x0043)
727 else if (d->vendor_id == 0x1425 && (d->device_id & 0xe000) == 0x4000)
730 else if (d->vendor_id == 0x15b3 && d->device_id >= 0x1013 && d->device_id <= 0x101a)
736 clib_warning ("Unsupported PCI device 0x%04x:0x%04x found "
737 "at PCI address %s\n", (u16) d->vendor_id, (u16) d->device_id,
742 error = vlib_pci_bind_to_uio (d, (char *) conf->uio_driver_name);
748 pool_get (conf->dev_confs, devconf);
749 hash_set (conf->device_config_index_by_pci_addr, d->bus_address.as_u32,
750 devconf - conf->dev_confs);
751 devconf->pci_addr.as_u32 = d->bus_address.as_u32;
753 devconf->is_blacklisted = 1;
754 clib_error_report (error);
761 static clib_error_t *
762 dpdk_device_config (dpdk_config_main_t * conf, vlib_pci_addr_t pci_addr,
763 unformat_input_t * input, u8 is_default)
765 clib_error_t *error = 0;
767 dpdk_device_config_t *devconf;
768 unformat_input_t sub_input;
772 devconf = &conf->default_devconf;
776 p = hash_get (conf->device_config_index_by_pci_addr, pci_addr.as_u32);
780 pool_get (conf->dev_confs, devconf);
781 hash_set (conf->device_config_index_by_pci_addr, pci_addr.as_u32,
782 devconf - conf->dev_confs);
785 return clib_error_return (0,
786 "duplicate configuration for PCI address %U",
787 format_vlib_pci_addr, &pci_addr);
790 devconf->pci_addr.as_u32 = pci_addr.as_u32;
791 devconf->hqos_enabled = 0;
792 dpdk_device_config_hqos_default (&devconf->hqos);
797 unformat_skip_white_space (input);
798 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
800 if (unformat (input, "num-rx-queues %u", &devconf->num_rx_queues))
802 else if (unformat (input, "num-tx-queues %u", &devconf->num_tx_queues))
804 else if (unformat (input, "num-rx-desc %u", &devconf->num_rx_desc))
806 else if (unformat (input, "num-tx-desc %u", &devconf->num_tx_desc))
808 else if (unformat (input, "workers %U", unformat_bitmap_list,
813 (input, "rss %U", unformat_vlib_cli_sub_input, &sub_input))
815 error = unformat_rss_fn (&sub_input, &devconf->rss_fn);
819 else if (unformat (input, "vlan-strip-offload off"))
820 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_OFF;
821 else if (unformat (input, "vlan-strip-offload on"))
822 devconf->vlan_strip_offload = DPDK_DEVICE_VLAN_STRIP_ON;
825 (input, "hqos %U", unformat_vlib_cli_sub_input, &sub_input))
827 devconf->hqos_enabled = 1;
828 error = unformat_hqos (&sub_input, &devconf->hqos);
832 else if (unformat (input, "hqos"))
834 devconf->hqos_enabled = 1;
838 error = clib_error_return (0, "unknown input `%U'",
839 format_unformat_error, input);
847 if (devconf->workers && devconf->num_rx_queues == 0)
848 devconf->num_rx_queues = clib_bitmap_count_set_bits (devconf->workers);
849 else if (devconf->workers &&
850 clib_bitmap_count_set_bits (devconf->workers) !=
851 devconf->num_rx_queues)
853 clib_error_return (0,
854 "%U: number of worker threadds must be "
855 "equal to number of rx queues", format_vlib_pci_addr,
861 static clib_error_t *
862 dpdk_config (vlib_main_t * vm, unformat_input_t * input)
864 clib_error_t *error = 0;
865 dpdk_main_t *dm = &dpdk_main;
866 dpdk_config_main_t *conf = &dpdk_config_main;
867 vlib_thread_main_t *tm = vlib_get_thread_main ();
868 dpdk_device_config_t *devconf;
869 vlib_pci_addr_t pci_addr;
870 unformat_input_t sub_input;
873 u8 *rte_cmd = 0, *ethname = 0;
876 int num_whitelisted = 0;
882 u8 *huge_dir_path = 0;
885 format (0, "%s/hugepages%c", vlib_unix_get_runtime_dir (), 0);
887 conf->device_config_index_by_pci_addr = hash_create (0, sizeof (uword));
888 log_level = RTE_LOG_NOTICE;
890 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
893 if (unformat (input, "no-hugetlb"))
895 vec_add1 (conf->eal_init_args, (u8 *) "no-huge");
899 else if (unformat (input, "enable-tcp-udp-checksum"))
900 conf->enable_tcp_udp_checksum = 1;
902 else if (unformat (input, "no-tx-checksum-offload"))
903 conf->no_tx_checksum_offload = 1;
905 else if (unformat (input, "decimal-interface-names"))
906 conf->interface_name_format_decimal = 1;
908 else if (unformat (input, "log-level %U", unformat_dpdk_log_level, &x))
911 else if (unformat (input, "no-multi-seg"))
912 conf->no_multi_seg = 1;
914 else if (unformat (input, "dev default %U", unformat_vlib_cli_sub_input,
918 dpdk_device_config (conf, (vlib_pci_addr_t) (u32) ~ 1, &sub_input,
926 (input, "dev %U %U", unformat_vlib_pci_addr, &pci_addr,
927 unformat_vlib_cli_sub_input, &sub_input))
929 error = dpdk_device_config (conf, pci_addr, &sub_input, 0);
936 else if (unformat (input, "dev %U", unformat_vlib_pci_addr, &pci_addr))
938 error = dpdk_device_config (conf, pci_addr, 0, 0);
945 else if (unformat (input, "num-mbufs %d", &conf->num_mbufs))
947 else if (unformat (input, "uio-driver %s", &conf->uio_driver_name))
949 else if (unformat (input, "socket-mem %s", &socket_mem))
951 else if (unformat (input, "no-pci"))
954 tmp = format (0, "--no-pci%c", 0);
955 vec_add1 (conf->eal_init_args, tmp);
957 else if (unformat (input, "poll-sleep %d", &dm->poll_sleep_usec))
961 else if (unformat(input, #a)) \
963 tmp = format (0, "--%s%c", #a, 0); \
964 vec_add1 (conf->eal_init_args, tmp); \
966 foreach_eal_double_hyphen_predicate_arg
969 else if (unformat(input, #a " %s", &s)) \
971 if (!strncmp(#a, "huge-dir", 8)) \
973 else if (!strncmp(#a, "file-prefix", 11)) \
975 tmp = format (0, "--%s%c", #a, 0); \
976 vec_add1 (conf->eal_init_args, tmp); \
978 if (!strncmp(#a, "vdev", 4)) \
979 if (strstr((char*)s, "af_packet")) \
980 clib_warning ("af_packet obsoleted. Use CLI 'create host-interface'."); \
981 vec_add1 (conf->eal_init_args, s); \
983 foreach_eal_double_hyphen_arg
986 else if (unformat(input, #a " %s", &s)) \
988 tmp = format (0, "-%s%c", #b, 0); \
989 vec_add1 (conf->eal_init_args, tmp); \
991 vec_add1 (conf->eal_init_args, s); \
993 foreach_eal_single_hyphen_arg
996 else if (unformat(input, #a " %s", &s)) \
998 tmp = format (0, "-%s%c", #b, 0); \
999 vec_add1 (conf->eal_init_args, tmp); \
1001 vec_add1 (conf->eal_init_args, s); \
1002 conf->a##_set_manually = 1; \
1004 foreach_eal_single_hyphen_mandatory_arg
1006 else if (unformat (input, "default"))
1009 else if (unformat_skip_white_space (input))
1013 error = clib_error_return (0, "unknown input `%U'",
1014 format_unformat_error, input);
1019 if (!conf->uio_driver_name)
1020 conf->uio_driver_name = format (0, "uio_pci_generic%c", 0);
1023 * Use 1G huge pages if available.
1025 if (!no_huge && !huge_dir)
1027 u32 x, *mem_by_socket = 0;
1031 umount ((char *) huge_dir_path);
1033 /* Process "socket-mem" parameter value */
1034 if (vec_len (socket_mem))
1036 unformat_input_t in;
1037 unformat_init_vector (&in, socket_mem);
1038 while (unformat_check_input (&in) != UNFORMAT_END_OF_INPUT)
1040 if (unformat (&in, "%u,", &x))
1042 else if (unformat (&in, "%u", &x))
1044 else if (unformat (&in, ","))
1049 vec_add1 (mem_by_socket, x);
1051 /* Note: unformat_free vec_frees(in.buffer), aka socket_mem... */
1052 unformat_free (&in);
1058 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1060 vec_validate(mem_by_socket, c);
1061 mem_by_socket[c] = 64; /* default per-socket mem */
1068 clib_bitmap_foreach (c, tm->cpu_socket_bitmap, (
1072 vec_validate(mem_by_socket, c);
1074 e = clib_sysfs_prealloc_hugepages(c, 2 << 10, mem_by_socket[c] / 2);
1076 clib_error_report (e);
1080 if (mem_by_socket == 0)
1082 error = clib_error_return (0, "mem_by_socket NULL");
1085 _vec_len (mem_by_socket) = c + 1;
1087 /* regenerate socket_mem string */
1088 vec_foreach_index (x, mem_by_socket)
1089 socket_mem = format (socket_mem, "%s%u",
1090 socket_mem ? "," : "", mem_by_socket[x]);
1091 socket_mem = format (socket_mem, "%c", 0);
1093 vec_free (mem_by_socket);
1095 error = vlib_unix_recursive_mkdir ((char *) huge_dir_path);
1101 rv = mount ("none", (char *) huge_dir_path, "hugetlbfs", 0, NULL);
1105 error = clib_error_return (0, "mount failed %d", errno);
1109 tmp = format (0, "--huge-dir%c", 0);
1110 vec_add1 (conf->eal_init_args, tmp);
1111 tmp = format (0, "%s%c", huge_dir_path, 0);
1112 vec_add1 (conf->eal_init_args, tmp);
1115 tmp = format (0, "--file-prefix%c", 0);
1116 vec_add1 (conf->eal_init_args, tmp);
1117 tmp = format (0, "vpp%c", 0);
1118 vec_add1 (conf->eal_init_args, tmp);
1128 /* I'll bet that -c and -n must be the first and second args... */
1129 if (!conf->coremask_set_manually)
1131 vlib_thread_registration_t *tr;
1132 uword *coremask = 0;
1135 /* main thread core */
1136 coremask = clib_bitmap_set (coremask, tm->main_lcore, 1);
1138 for (i = 0; i < vec_len (tm->registrations); i++)
1140 tr = tm->registrations[i];
1141 coremask = clib_bitmap_or (coremask, tr->coremask);
1144 vec_insert (conf->eal_init_args, 2, 1);
1145 conf->eal_init_args[1] = (u8 *) "-c";
1146 tmp = format (0, "%U%c", format_bitmap_hex, coremask, 0);
1147 conf->eal_init_args[2] = tmp;
1148 clib_bitmap_free (coremask);
1151 if (!conf->nchannels_set_manually)
1153 vec_insert (conf->eal_init_args, 2, 3);
1154 conf->eal_init_args[3] = (u8 *) "-n";
1155 tmp = format (0, "%d", conf->nchannels);
1156 conf->eal_init_args[4] = tmp;
1159 if (no_pci == 0 && geteuid () == 0)
1160 dpdk_bind_devices_to_uio (conf);
1163 if (devconf->x == 0 && conf->default_devconf.x > 0) \
1164 devconf->x = conf->default_devconf.x ;
1167 pool_foreach (devconf, conf->dev_confs, ({
1169 /* default per-device config items */
1170 foreach_dpdk_device_config_item
1172 /* add DPDK EAL whitelist/blacklist entry */
1173 if (num_whitelisted > 0 && devconf->is_blacklisted == 0)
1175 tmp = format (0, "-w%c", 0);
1176 vec_add1 (conf->eal_init_args, tmp);
1177 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1178 vec_add1 (conf->eal_init_args, tmp);
1180 else if (num_whitelisted == 0 && devconf->is_blacklisted != 0)
1182 tmp = format (0, "-b%c", 0);
1183 vec_add1 (conf->eal_init_args, tmp);
1184 tmp = format (0, "%U%c", format_vlib_pci_addr, &devconf->pci_addr, 0);
1185 vec_add1 (conf->eal_init_args, tmp);
1192 /* set master-lcore */
1193 tmp = format (0, "--master-lcore%c", 0);
1194 vec_add1 (conf->eal_init_args, tmp);
1195 tmp = format (0, "%u%c", tm->main_lcore, 0);
1196 vec_add1 (conf->eal_init_args, tmp);
1198 /* set socket-mem */
1199 tmp = format (0, "--socket-mem%c", 0);
1200 vec_add1 (conf->eal_init_args, tmp);
1201 tmp = format (0, "%s%c", socket_mem, 0);
1202 vec_add1 (conf->eal_init_args, tmp);
1204 /* NULL terminate the "argv" vector, in case of stupidity */
1205 vec_add1 (conf->eal_init_args, 0);
1206 _vec_len (conf->eal_init_args) -= 1;
1208 /* Set up DPDK eal and packet mbuf pool early. */
1210 rte_log_set_global_level (log_level);
1212 vm = vlib_get_main ();
1214 /* make copy of args as rte_eal_init tends to mess up with arg array */
1215 for (i = 1; i < vec_len (conf->eal_init_args); i++)
1216 conf->eal_init_args_str = format (conf->eal_init_args_str, "%s ",
1217 conf->eal_init_args[i]);
1219 clib_warning ("EAL init args: %s", conf->eal_init_args_str);
1221 rte_eal_init (vec_len (conf->eal_init_args),
1222 (char **) conf->eal_init_args);
1224 /* lazy umount hugepages */
1225 umount2 ((char *) huge_dir_path, MNT_DETACH);
1226 rmdir ((char *) huge_dir_path);
1227 vec_free (huge_dir_path);
1230 return clib_error_return (0, "rte_eal_init returned %d", ret);
1232 /* Dump the physical memory layout prior to creating the mbuf_pool */
1233 fprintf (stdout, "DPDK physical memory layout:\n");
1234 rte_dump_physmem_layout (stdout);
1236 /* set custom ring memory allocator */
1238 struct rte_mempool_ops *ops = NULL;
1240 ops = get_ops_by_name ("ring_sp_sc");
1241 ops->alloc = dpdk_ring_alloc;
1243 ops = get_ops_by_name ("ring_mp_sc");
1244 ops->alloc = dpdk_ring_alloc;
1246 ops = get_ops_by_name ("ring_sp_mc");
1247 ops->alloc = dpdk_ring_alloc;
1249 ops = get_ops_by_name ("ring_mp_mc");
1250 ops->alloc = dpdk_ring_alloc;
1253 /* main thread 1st */
1254 error = dpdk_buffer_pool_create (vm, conf->num_mbufs, rte_socket_id ());
1258 for (i = 0; i < RTE_MAX_LCORE; i++)
1260 error = dpdk_buffer_pool_create (vm, conf->num_mbufs,
1261 rte_lcore_to_socket_id (i));
1270 VLIB_CONFIG_FUNCTION (dpdk_config, "dpdk");
1273 dpdk_update_link_state (dpdk_device_t * xd, f64 now)
1275 vnet_main_t *vnm = vnet_get_main ();
1276 struct rte_eth_link prev_link = xd->link;
1278 u8 hw_flags_chg = 0;
1280 /* only update link state for PMD interfaces */
1281 if ((xd->flags & DPDK_DEVICE_FLAG_PMD) == 0)
1284 xd->time_last_link_update = now ? now : xd->time_last_link_update;
1285 memset (&xd->link, 0, sizeof (xd->link));
1286 rte_eth_link_get_nowait (xd->device_index, &xd->link);
1288 if (LINK_STATE_ELOGS)
1290 vlib_main_t *vm = vlib_get_main ();
1291 ELOG_TYPE_DECLARE (e) =
1294 "update-link-state: sw_if_index %d, admin_up %d,"
1295 "old link_state %d new link_state %d",.format_args = "i4i1i1i1",};
1304 ed = ELOG_DATA (&vm->elog_main, e);
1305 ed->sw_if_index = xd->vlib_sw_if_index;
1306 ed->admin_up = (xd->flags & DPDK_DEVICE_FLAG_ADMIN_UP) != 0;
1307 ed->old_link_state = (u8)
1308 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index);
1309 ed->new_link_state = (u8) xd->link.link_status;
1312 if ((xd->flags & (DPDK_DEVICE_FLAG_ADMIN_UP | DPDK_DEVICE_FLAG_BOND_SLAVE))
1313 && ((xd->link.link_status != 0) ^
1314 vnet_hw_interface_is_link_up (vnm, xd->hw_if_index)))
1317 hw_flags |= (xd->link.link_status ? VNET_HW_INTERFACE_FLAG_LINK_UP : 0);
1320 if (hw_flags_chg || (xd->link.link_duplex != prev_link.link_duplex))
1323 switch (xd->link.link_duplex)
1325 case ETH_LINK_HALF_DUPLEX:
1326 hw_flags |= VNET_HW_INTERFACE_FLAG_HALF_DUPLEX;
1328 case ETH_LINK_FULL_DUPLEX:
1329 hw_flags |= VNET_HW_INTERFACE_FLAG_FULL_DUPLEX;
1335 if (hw_flags_chg || (xd->link.link_speed != prev_link.link_speed))
1338 switch (xd->link.link_speed)
1340 case ETH_SPEED_NUM_10M:
1341 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10M;
1343 case ETH_SPEED_NUM_100M:
1344 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_100M;
1346 case ETH_SPEED_NUM_1G:
1347 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_1G;
1349 case ETH_SPEED_NUM_10G:
1350 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_10G;
1352 case ETH_SPEED_NUM_40G:
1353 hw_flags |= VNET_HW_INTERFACE_FLAG_SPEED_40G;
1358 clib_warning ("unknown link speed %d", xd->link.link_speed);
1364 if (LINK_STATE_ELOGS)
1366 vlib_main_t *vm = vlib_get_main ();
1368 ELOG_TYPE_DECLARE (e) =
1371 "update-link-state: sw_if_index %d, new flags %d",.format_args
1379 ed = ELOG_DATA (&vm->elog_main, e);
1380 ed->sw_if_index = xd->vlib_sw_if_index;
1381 ed->flags = hw_flags;
1383 vnet_hw_interface_set_flags (vnm, xd->hw_if_index, hw_flags);
1388 dpdk_process (vlib_main_t * vm, vlib_node_runtime_t * rt, vlib_frame_t * f)
1390 clib_error_t *error;
1391 vnet_main_t *vnm = vnet_get_main ();
1392 dpdk_main_t *dm = &dpdk_main;
1393 ethernet_main_t *em = ðernet_main;
1395 vlib_thread_main_t *tm = vlib_get_thread_main ();
1398 error = dpdk_lib_init (dm);
1401 clib_error_report (error);
1403 tm->worker_thread_release = 1;
1405 f64 now = vlib_time_now (vm);
1406 vec_foreach (xd, dm->devices)
1408 dpdk_update_link_state (xd, now);
1413 * Extra set up for bond interfaces:
1414 * 1. Setup MACs for bond interfaces and their slave links which was set
1415 * in dpdk_device_setup() but needs to be done again here to take
1417 * 2. Set up info and register slave link state change callback handling.
1418 * 3. Set up info for bond interface related CLI support.
1420 int nports = rte_eth_dev_count ();
1423 for (i = 0; i < nports; i++)
1425 xd = &dm->devices[i];
1426 ASSERT (i == xd->device_index);
1427 if (xd->pmd == VNET_DPDK_PMD_BOND)
1430 dpdk_portid_t slink[16];
1431 int nlink = rte_eth_bond_slaves_get (i, slink, 16);
1434 vnet_hw_interface_t *bhi;
1435 ethernet_interface_t *bei;
1438 /* Get MAC of 1st slave link */
1440 (slink[0], (struct ether_addr *) addr);
1442 /* Set MAC of bounded interface to that of 1st slave link */
1443 clib_warning ("Set MAC for bond port %d BondEthernet%d",
1445 rv = rte_eth_bond_mac_address_set
1446 (i, (struct ether_addr *) addr);
1448 clib_warning ("Set MAC addr failure rv=%d", rv);
1450 /* Populate MAC of bonded interface in VPP hw tables */
1451 bhi = vnet_get_hw_interface
1452 (vnm, dm->devices[i].hw_if_index);
1453 bei = pool_elt_at_index
1454 (em->interfaces, bhi->hw_instance);
1455 clib_memcpy (bhi->hw_address, addr, 6);
1456 clib_memcpy (bei->address, addr, 6);
1458 /* Init l3 packet size allowed on bonded interface */
1459 bhi->max_packet_bytes = ETHERNET_MAX_PACKET_BYTES;
1460 bhi->max_l3_packet_bytes[VLIB_RX] =
1461 bhi->max_l3_packet_bytes[VLIB_TX] =
1462 ETHERNET_MAX_PACKET_BYTES - sizeof (ethernet_header_t);
1464 { /* for all slave links */
1465 int slave = slink[--nlink];
1466 dpdk_device_t *sdev = &dm->devices[slave];
1467 vnet_hw_interface_t *shi;
1468 vnet_sw_interface_t *ssi;
1469 ethernet_interface_t *sei;
1470 /* Add MAC to all slave links except the first one */
1473 clib_warning ("Add MAC for slave port %d", slave);
1474 rv = rte_eth_dev_mac_addr_add
1475 (slave, (struct ether_addr *) addr, 0);
1477 clib_warning ("Add MAC addr failure rv=%d", rv);
1479 /* Setup slave link state change callback handling */
1480 rte_eth_dev_callback_register
1481 (slave, RTE_ETH_EVENT_INTR_LSC,
1482 dpdk_port_state_callback, NULL);
1483 dpdk_device_t *sxd = &dm->devices[slave];
1484 sxd->flags |= DPDK_DEVICE_FLAG_BOND_SLAVE;
1486 /* Set slaves bitmap for bonded interface */
1487 bhi->bond_info = clib_bitmap_set
1488 (bhi->bond_info, sdev->hw_if_index, 1);
1489 /* Set MACs and slave link flags on slave interface */
1490 shi = vnet_get_hw_interface (vnm, sdev->hw_if_index);
1491 ssi = vnet_get_sw_interface
1492 (vnm, sdev->vlib_sw_if_index);
1493 sei = pool_elt_at_index
1494 (em->interfaces, shi->hw_instance);
1495 shi->bond_info = VNET_HW_INTERFACE_BOND_INFO_SLAVE;
1496 ssi->flags |= VNET_SW_INTERFACE_FLAG_BOND_SLAVE;
1497 clib_memcpy (shi->hw_address, addr, 6);
1498 clib_memcpy (sei->address, addr, 6);
1499 /* Set l3 packet size allowed as the lowest of slave */
1500 if (bhi->max_l3_packet_bytes[VLIB_RX] >
1501 shi->max_l3_packet_bytes[VLIB_RX])
1502 bhi->max_l3_packet_bytes[VLIB_RX] =
1503 bhi->max_l3_packet_bytes[VLIB_TX] =
1504 shi->max_l3_packet_bytes[VLIB_RX];
1505 /* Set max packet size allowed as the lowest of slave */
1506 if (bhi->max_packet_bytes > shi->max_packet_bytes)
1507 bhi->max_packet_bytes = shi->max_packet_bytes;
1518 * check each time through the loop in case intervals are changed
1520 f64 min_wait = dm->link_state_poll_interval < dm->stat_poll_interval ?
1521 dm->link_state_poll_interval : dm->stat_poll_interval;
1523 vlib_process_wait_for_event_or_clock (vm, min_wait);
1525 if (dm->admin_up_down_in_progress)
1526 /* skip the poll if an admin up down is in progress (on any interface) */
1529 vec_foreach (xd, dm->devices)
1531 f64 now = vlib_time_now (vm);
1532 if ((now - xd->time_last_stats_update) >= dm->stat_poll_interval)
1533 dpdk_update_counters (xd, now);
1534 if ((now - xd->time_last_link_update) >= dm->link_state_poll_interval)
1535 dpdk_update_link_state (xd, now);
1544 VLIB_REGISTER_NODE (dpdk_process_node,static) = {
1545 .function = dpdk_process,
1546 .type = VLIB_NODE_TYPE_PROCESS,
1547 .name = "dpdk-process",
1548 .process_log2_n_stack_bytes = 17,
1552 static clib_error_t *
1553 dpdk_init (vlib_main_t * vm)
1555 dpdk_main_t *dm = &dpdk_main;
1556 clib_error_t *error = 0;
1557 vlib_thread_main_t *tm = vlib_get_thread_main ();
1559 /* verify that structs are cacheline aligned */
1560 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline0) == 0,
1561 "Cache line marker must be 1st element in dpdk_device_t");
1562 STATIC_ASSERT (offsetof (dpdk_device_t, cacheline1) ==
1563 CLIB_CACHE_LINE_BYTES,
1564 "Data in cache line 0 is bigger than cache line size");
1565 STATIC_ASSERT (offsetof (frame_queue_trace_t, cacheline0) == 0,
1566 "Cache line marker must be 1st element in frame_queue_trace_t");
1569 dm->vnet_main = vnet_get_main ();
1570 dm->conf = &dpdk_config_main;
1572 dm->conf->nchannels = 4;
1573 dm->conf->num_mbufs = dm->conf->num_mbufs ? dm->conf->num_mbufs : NB_MBUF;
1574 vec_add1 (dm->conf->eal_init_args, (u8 *) "vnet");
1576 vec_validate (dm->recycle, tm->n_thread_stacks - 1);
1578 /* Default vlib_buffer_t flags, DISABLES tcp/udp checksumming... */
1579 dm->buffer_flags_template =
1580 (VLIB_BUFFER_TOTAL_LENGTH_VALID | VLIB_BUFFER_EXT_HDR_VALID
1581 | VNET_BUFFER_F_L4_CHECKSUM_COMPUTED |
1582 VNET_BUFFER_F_L4_CHECKSUM_CORRECT | VNET_BUFFER_F_L2_HDR_OFFSET_VALID);
1584 dm->stat_poll_interval = DPDK_STATS_POLL_INTERVAL;
1585 dm->link_state_poll_interval = DPDK_LINK_POLL_INTERVAL;
1588 if ((error = vlib_call_init_function (vm, dpdk_cli_init)))
1594 VLIB_INIT_FUNCTION (dpdk_init);
1598 * fd.io coding-style-patch-verification: ON
1601 * eval: (c-set-style "gnu")